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authorWolfgang Denk <wd@denx.de>2007-08-06 02:17:36 +0200
committerWolfgang Denk <wd@denx.de>2007-08-06 02:17:36 +0200
commit9c7e4b06214db61bb21f1bcbe57c97519669baae (patch)
tree699504f6b803a5413e9baeb8e27c29c0937ed797 /drivers/bios_emulator
parent221838cc7eb178370ff62aa05920a582e12ac322 (diff)
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Coding style cleanup. Update CHANGELOG.
Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'drivers/bios_emulator')
-rw-r--r--drivers/bios_emulator/atibios.c48
-rw-r--r--drivers/bios_emulator/besys.c243
-rw-r--r--drivers/bios_emulator/biosemu.c84
-rw-r--r--drivers/bios_emulator/biosemui.h58
-rw-r--r--drivers/bios_emulator/include/x86emu/debug.h166
-rw-r--r--drivers/bios_emulator/include/x86emu/prim_ops.h1
-rw-r--r--drivers/bios_emulator/include/x86emu/regs.h148
-rw-r--r--drivers/bios_emulator/x86emu/decode.c874
-rw-r--r--drivers/bios_emulator/x86emu/ops.c4610
-rw-r--r--drivers/bios_emulator/x86emu/ops2.c1874
-rw-r--r--drivers/bios_emulator/x86emu/prim_ops.c1389
11 files changed, 4743 insertions, 4752 deletions
diff --git a/drivers/bios_emulator/atibios.c b/drivers/bios_emulator/atibios.c
index 084339c..5779f99 100644
--- a/drivers/bios_emulator/atibios.c
+++ b/drivers/bios_emulator/atibios.c
@@ -1,6 +1,6 @@
/****************************************************************************
*
-* Video BOOT Graphics Card POST Module
+* Video BOOT Graphics Card POST Module
*
* ========================================================================
* Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
@@ -30,20 +30,20 @@
*
* ========================================================================
*
-* Language: ANSI C
-* Environment: Linux Kernel
-* Developer: Kendall Bennett
+* Language: ANSI C
+* Environment: Linux Kernel
+* Developer: Kendall Bennett
*
-* Description: Module to implement booting PCI/AGP controllers on the
-* bus. We use the x86 real mode emulator to run the BIOS on
-* graphics controllers to bring the cards up.
+* Description: Module to implement booting PCI/AGP controllers on the
+* bus. We use the x86 real mode emulator to run the BIOS on
+* graphics controllers to bring the cards up.
*
-* Note that at present this module does *not* support
-* multiple controllers.
+* Note that at present this module does *not* support
+* multiple controllers.
*
-* The orignal name of this file is warmboot.c.
-* Jason ported this file to u-boot to run the ATI video card
-* BIOS in u-boot.
+* The orignal name of this file is warmboot.c.
+* Jason ported this file to u-boot to run the ATI video card
+* BIOS in u-boot.
****************************************************************************/
#include <common.h>
@@ -53,11 +53,11 @@
#include <malloc.h>
/* Length of the BIOS image */
-#define MAX_BIOSLEN (128 * 1024L)
+#define MAX_BIOSLEN (128 * 1024L)
/* Define some useful types and macros */
-#define true 1
-#define false 0
+#define true 1
+#define false 0
/* Place to save PCI BAR's that we change and later restore */
static u32 saveROMBaseAddress;
@@ -68,7 +68,7 @@ static u32 saveBaseAddress20;
/****************************************************************************
PARAMETERS:
-pcidev - PCI device info for the video card on the bus to boot
+pcidev - PCI device info for the video card on the bus to boot
VGAInfo - BIOS emulator VGA info structure
REMARKS:
@@ -102,8 +102,8 @@ static void PCI_doBIOSPOST(pci_dev_t pcidev, BE_VGAInfo * VGAInfo)
/****************************************************************************
PARAMETERS:
-pcidev - PCI device info for the video card on the bus
-bar - Place to return the base address register offset to use
+pcidev - PCI device info for the video card on the bus
+bar - Place to return the base address register offset to use
RETURNS:
The address to use to map the secondary BIOS (AGP devices)
@@ -166,7 +166,7 @@ static void PCI_fixupIObase(pci_dev_t pcidev, int reg, u32 * base)
/****************************************************************************
PARAMETERS:
-pcidev - PCI device info for the video card on the bus
+pcidev - PCI device info for the video card on the bus
RETURNS:
Pointers to the mapped BIOS image
@@ -196,7 +196,7 @@ void *PCI_mapBIOSImage(pci_dev_t pcidev)
/* Some cards have problems that stop us from being able to read the
BIOS image from the ROM BAR. To fix this we have to do some chipset
specific programming for different cards to solve this problem.
- */
+ */
if ((BIOSImagePhys = PCI_findBIOSAddr(pcidev, &BIOSImageBAR)) == 0) {
printf("Find bios addr error\n");
@@ -223,7 +223,7 @@ void *PCI_mapBIOSImage(pci_dev_t pcidev)
/****************************************************************************
PARAMETERS:
-pcidev - PCI device info for the video card on the bus
+pcidev - PCI device info for the video card on the bus
REMARKS:
Unmaps the BIOS image for the device and restores framebuffer mappings
@@ -239,7 +239,7 @@ void PCI_unmapBIOSImage(pci_dev_t pcidev, void *BIOSImage)
/****************************************************************************
PARAMETERS:
-pcidev - PCI device info for the video card on the bus to boot
+pcidev - PCI device info for the video card on the bus to boot
VGAInfo - BIOS emulator VGA info structure
RETURNS:
@@ -294,9 +294,9 @@ static int PCI_postController(pci_dev_t pcidev, BE_VGAInfo * VGAInfo)
/****************************************************************************
PARAMETERS:
-pcidev - PCI device info for the video card on the bus to boot
+pcidev - PCI device info for the video card on the bus to boot
pVGAInfo - Place to return VGA info structure is requested
-cleanUp - True to clean up on exit, false to leave emulator active
+cleanUp - True to clean up on exit, false to leave emulator active
REMARKS:
Boots the PCI/AGP video card on the bus using the Video ROM BIOS image
diff --git a/drivers/bios_emulator/besys.c b/drivers/bios_emulator/besys.c
index 894012f..2a8e1a0 100644
--- a/drivers/bios_emulator/besys.c
+++ b/drivers/bios_emulator/besys.c
@@ -251,71 +251,69 @@ hardware does not support mapping the VGA I/O and memory (such as some
PowerPC systems), we emulate the VGA so that the BIOS will still be able to
set NonVGA display modes such as on ATI hardware.
****************************************************************************/
-static u8 VGA_inpb(
- const int port)
+static u8 VGA_inpb (const int port)
{
- u8 val = 0xff;
-
- switch (port) {
- case 0x3C0:
- /* 3C0 has funky characteristics because it can act as either
- a data register or index register depending on the state
- of an internal flip flop in the hardware. Hence we have
- to emulate that functionality in here. */
- if (_BE_env.flipFlop3C0 == 0) {
- /* Access 3C0 as index register*/
- val = _BE_env.emu3C0;
- }
- else {
- /* Access 3C0 as data register*/
- if (_BE_env.emu3C0 < ATT_C)
- val = _BE_env.emu3C1[_BE_env.emu3C0];
- }
- _BE_env.flipFlop3C0 ^= 1;
- break;
- case 0x3C1:
- if (_BE_env.emu3C0 < ATT_C)
- return _BE_env.emu3C1[_BE_env.emu3C0];
- break;
- case 0x3CC:
- return _BE_env.emu3C2;
- case 0x3C4:
- return _BE_env.emu3C4;
- case 0x3C5:
- if (_BE_env.emu3C4 < ATT_C)
- return _BE_env.emu3C5[_BE_env.emu3C4];
- break;
- case 0x3C6:
- return _BE_env.emu3C6;
- case 0x3C7:
- return _BE_env.emu3C7;
- case 0x3C8:
- return _BE_env.emu3C8;
- case 0x3C9:
- if (_BE_env.emu3C7 < PAL_C)
- return _BE_env.emu3C9[_BE_env.emu3C7++];
- break;
- case 0x3CE:
- return _BE_env.emu3CE;
- case 0x3CF:
- if (_BE_env.emu3CE < GRA_C)
- return _BE_env.emu3CF[_BE_env.emu3CE];
- break;
- case 0x3D4:
- if (_BE_env.emu3C2 & 0x1)
- return _BE_env.emu3D4;
- break;
- case 0x3D5:
- if ((_BE_env.emu3C2 & 0x1) && (_BE_env.emu3D4 < CRT_C))
- return _BE_env.emu3D5[_BE_env.emu3D4];
- break;
- case 0x3DA:
- _BE_env.flipFlop3C0 = 0;
- val = _BE_env.emu3DA;
- _BE_env.emu3DA ^= 0x9;
- break;
- }
- return val;
+ u8 val = 0xff;
+
+ switch (port) {
+ case 0x3C0:
+ /* 3C0 has funky characteristics because it can act as either
+ a data register or index register depending on the state
+ of an internal flip flop in the hardware. Hence we have
+ to emulate that functionality in here. */
+ if (_BE_env.flipFlop3C0 == 0) {
+ /* Access 3C0 as index register */
+ val = _BE_env.emu3C0;
+ } else {
+ /* Access 3C0 as data register */
+ if (_BE_env.emu3C0 < ATT_C)
+ val = _BE_env.emu3C1[_BE_env.emu3C0];
+ }
+ _BE_env.flipFlop3C0 ^= 1;
+ break;
+ case 0x3C1:
+ if (_BE_env.emu3C0 < ATT_C)
+ return _BE_env.emu3C1[_BE_env.emu3C0];
+ break;
+ case 0x3CC:
+ return _BE_env.emu3C2;
+ case 0x3C4:
+ return _BE_env.emu3C4;
+ case 0x3C5:
+ if (_BE_env.emu3C4 < ATT_C)
+ return _BE_env.emu3C5[_BE_env.emu3C4];
+ break;
+ case 0x3C6:
+ return _BE_env.emu3C6;
+ case 0x3C7:
+ return _BE_env.emu3C7;
+ case 0x3C8:
+ return _BE_env.emu3C8;
+ case 0x3C9:
+ if (_BE_env.emu3C7 < PAL_C)
+ return _BE_env.emu3C9[_BE_env.emu3C7++];
+ break;
+ case 0x3CE:
+ return _BE_env.emu3CE;
+ case 0x3CF:
+ if (_BE_env.emu3CE < GRA_C)
+ return _BE_env.emu3CF[_BE_env.emu3CE];
+ break;
+ case 0x3D4:
+ if (_BE_env.emu3C2 & 0x1)
+ return _BE_env.emu3D4;
+ break;
+ case 0x3D5:
+ if ((_BE_env.emu3C2 & 0x1) && (_BE_env.emu3D4 < CRT_C))
+ return _BE_env.emu3D5[_BE_env.emu3D4];
+ break;
+ case 0x3DA:
+ _BE_env.flipFlop3C0 = 0;
+ val = _BE_env.emu3DA;
+ _BE_env.emu3DA ^= 0x9;
+ break;
+ }
+ return val;
}
/****************************************************************************
@@ -328,66 +326,65 @@ Performs an emulated write to one of the 8253 timer registers. For now
we only emulate timer 0 which is the only timer that the BIOS code appears
to use.
****************************************************************************/
-static void VGA_outpb(
- int port,
- u8 val)
+static void VGA_outpb (int port, u8 val)
{
- switch (port) {
- case 0x3C0:
- /* 3C0 has funky characteristics because it can act as either
- a data register or index register depending on the state
- of an internal flip flop in the hardware. Hence we have
- to emulate that functionality in here.*/
- if (_BE_env.flipFlop3C0 == 0) {
- /* Access 3C0 as index register*/
- _BE_env.emu3C0 = val;
- }
- else {
- /* Access 3C0 as data register*/
- if (_BE_env.emu3C0 < ATT_C)
- _BE_env.emu3C1[_BE_env.emu3C0] = val;
- }
- _BE_env.flipFlop3C0 ^= 1;
- break;
- case 0x3C2:
- _BE_env.emu3C2 = val;
- break;
- case 0x3C4:
- _BE_env.emu3C4 = val;
- break;
- case 0x3C5:
- if (_BE_env.emu3C4 < ATT_C)
- _BE_env.emu3C5[_BE_env.emu3C4] = val;
- break;
- case 0x3C6:
- _BE_env.emu3C6 = val;
- break;
- case 0x3C7:
- _BE_env.emu3C7 = (int)val * 3;
- break;
- case 0x3C8:
- _BE_env.emu3C8 = (int)val * 3;
- break;
- case 0x3C9:
- if (_BE_env.emu3C8 < PAL_C)
- _BE_env.emu3C9[_BE_env.emu3C8++] = val;
- break;
- case 0x3CE:
- _BE_env.emu3CE = val;
- break;
- case 0x3CF:
- if (_BE_env.emu3CE < GRA_C)
- _BE_env.emu3CF[_BE_env.emu3CE] = val;
- break;
- case 0x3D4:
- if (_BE_env.emu3C2 & 0x1)
- _BE_env.emu3D4 = val;
- break;
- case 0x3D5:
- if ((_BE_env.emu3C2 & 0x1) && (_BE_env.emu3D4 < CRT_C))
- _BE_env.emu3D5[_BE_env.emu3D4] = val;
- break;
- }
+ switch (port) {
+ case 0x3C0:
+ /* 3C0 has funky characteristics because it can act as either
+ a data register or index register depending on the state
+ of an internal flip flop in the hardware. Hence we have
+ to emulate that functionality in here. */
+ if (_BE_env.flipFlop3C0 == 0) {
+ /* Access 3C0 as index register */
+ _BE_env.emu3C0 = val;
+ } else {
+ /* Access 3C0 as data register */
+ if (_BE_env.emu3C0 < ATT_C)
+ _BE_env.emu3C1[_BE_env.emu3C0] = val;
+ }
+ _BE_env.flipFlop3C0 ^= 1;
+ break;
+ case 0x3C2:
+ _BE_env.emu3C2 = val;
+ break;
+ case 0x3C4:
+ _BE_env.emu3C4 = val;
+ break;
+ case 0x3C5:
+ if (_BE_env.emu3C4 < ATT_C)
+ _BE_env.emu3C5[_BE_env.emu3C4] = val;
+ break;
+ case 0x3C6:
+ _BE_env.emu3C6 = val;
+ break;
+ case 0x3C7:
+ _BE_env.emu3C7 = (int) val *3;
+
+ break;
+ case 0x3C8:
+ _BE_env.emu3C8 = (int) val *3;
+
+ break;
+ case 0x3C9:
+ if (_BE_env.emu3C8 < PAL_C)
+ _BE_env.emu3C9[_BE_env.emu3C8++] = val;
+ break;
+ case 0x3CE:
+ _BE_env.emu3CE = val;
+ break;
+ case 0x3CF:
+ if (_BE_env.emu3CE < GRA_C)
+ _BE_env.emu3CF[_BE_env.emu3CE] = val;
+ break;
+ case 0x3D4:
+ if (_BE_env.emu3C2 & 0x1)
+ _BE_env.emu3D4 = val;
+ break;
+ case 0x3D5:
+ if ((_BE_env.emu3C2 & 0x1) && (_BE_env.emu3D4 < CRT_C))
+ _BE_env.emu3D5[_BE_env.emu3D4] = val;
+ break;
+ }
}
/****************************************************************************
diff --git a/drivers/bios_emulator/biosemu.c b/drivers/bios_emulator/biosemu.c
index aca594c..06d4ad3 100644
--- a/drivers/bios_emulator/biosemu.c
+++ b/drivers/bios_emulator/biosemu.c
@@ -1,12 +1,12 @@
/****************************************************************************
*
-* BIOS emulator and interface
-* to Realmode X86 Emulator Library
+* BIOS emulator and interface
+* to Realmode X86 Emulator Library
*
* Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
* Jason Jin <Jason.jin@freescale.com>
*
-* Copyright (C) 1996-1999 SciTech Software, Inc.
+* Copyright (C) 1996-1999 SciTech Software, Inc.
*
* ========================================================================
*
@@ -16,7 +16,7 @@
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of the authors not be used
* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
+* without specific, written prior permission. The authors makes no
* representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
@@ -30,18 +30,18 @@
*
* ========================================================================
*
-* Language: ANSI C
-* Environment: Any
-* Developer: Kendall Bennett
+* Language: ANSI C
+* Environment: Any
+* Developer: Kendall Bennett
*
-* Description: Module implementing the system specific functions. This
-* module is always compiled and linked in the OS depedent
-* libraries, and never in a binary portable driver.
+* Description: Module implementing the system specific functions. This
+* module is always compiled and linked in the OS depedent
+* libraries, and never in a binary portable driver.
*
-* Jason ported this file to u-boot to run the ATI video card BIOS
-* in u-boot. Made all the video memory be emulated during the
-* BIOS runing process which may affect the VGA function but the
-* frambuffer function can work after run the BIOS.
+* Jason ported this file to u-boot to run the ATI video card BIOS
+* in u-boot. Made all the video memory be emulated during the
+* BIOS runing process which may affect the VGA function but the
+* frambuffer function can work after run the BIOS.
*
****************************************************************************/
@@ -67,14 +67,14 @@ static X86EMU_pioFuncs _BE_pio __attribute__((section(".got2"))) = {
BE_outl,
};
-#define OFF(addr) (u16)(((addr) >> 0) & 0xffff)
-#define SEG(addr) (u16)(((addr) >> 4) & 0xf000)
+#define OFF(addr) (u16)(((addr) >> 0) & 0xffff)
+#define SEG(addr) (u16)(((addr) >> 4) & 0xf000)
/****************************************************************************
PARAMETERS:
debugFlags - Flags to enable debugging options (debug builds only)
-memSize - Amount of memory to allocate for real mode machine
-info - Pointer to default VGA device information
+memSize - Amount of memory to allocate for real mode machine
+info - Pointer to default VGA device information
REMARKS:
This functions initialises the BElib, and uses the passed in
@@ -116,7 +116,7 @@ int X86API BE_init(u32 debugFlags, int memSize, BE_VGAInfo * info, int shared)
/****************************************************************************
PARAMETERS:
-info - Pointer to VGA device information to make current
+info - Pointer to VGA device information to make current
REMARKS:
This function sets the VGA BIOS functions in the emulator to point to the
@@ -150,7 +150,7 @@ void X86API BE_setVGA(BE_VGAInfo * info)
/****************************************************************************
PARAMETERS:
-info - Pointer to VGA device information to retrieve current
+info - Pointer to VGA device information to retrieve current
REMARKS:
This function returns the VGA BIOS functions currently active in the
@@ -172,16 +172,16 @@ void X86API BE_getVGA(BE_VGAInfo * info)
/****************************************************************************
PARAMETERS:
-r_seg - Segment for pointer to convert
-r_off - Offset for pointer to convert
+r_seg - Segment for pointer to convert
+r_off - Offset for pointer to convert
REMARKS:
This function maps a real mode pointer in the emulator memory to a protected
mode pointer that can be used to directly access the memory.
-NOTE: The memory is *always* in little endian format, son on non-x86
- systems you will need to do endian translations to access this
- memory.
+NOTE: The memory is *always* in little endian format, son on non-x86
+ systems you will need to do endian translations to access this
+ memory.
****************************************************************************/
void *X86API BE_mapRealPointer(uint r_seg, uint r_off)
{
@@ -197,9 +197,9 @@ void *X86API BE_mapRealPointer(uint r_seg, uint r_off)
/****************************************************************************
PARAMETERS:
-len - Return the length of the VESA buffer
-rseg - Place to store VESA buffer segment
-roff - Place to store VESA buffer offset
+len - Return the length of the VESA buffer
+rseg - Place to store VESA buffer segment
+roff - Place to store VESA buffer offset
REMARKS:
This function returns the address of the VESA transfer buffer in real
@@ -207,9 +207,9 @@ _BE_piomode emulator memory. The VESA transfer buffer is always 1024 bytes long,
and located at 15Kb into the start of the real mode memory (16Kb is where
we put the real mode code we execute for issuing interrupts).
-NOTE: The memory is *always* in little endian format, son on non-x86
- systems you will need to do endian translations to access this
- memory.
+NOTE: The memory is *always* in little endian format, son on non-x86
+ systems you will need to do endian translations to access this
+ memory.
****************************************************************************/
void *X86API BE_getVESABuf(uint * len, uint * rseg, uint * roff)
{
@@ -231,10 +231,10 @@ void X86API BE_exit(void)
/****************************************************************************
PARAMETERS:
-seg - Segment of code to call
-off - Offset of code to call
-regs - Real mode registers to load
-sregs - Real mode segment registers to load
+seg - Segment of code to call
+off - Offset of code to call
+regs - Real mode registers to load
+sregs - Real mode segment registers to load
REMARKS:
This functions calls a real mode far function at the specified address,
@@ -284,9 +284,9 @@ void X86API BE_callRealMode(uint seg, uint off, RMREGS * regs, RMSREGS * sregs)
/****************************************************************************
PARAMETERS:
-intno - Interrupt number to execute
-in - Real mode registers to load
-out - Place to store resulting real mode registers
+intno - Interrupt number to execute
+in - Real mode registers to load
+out - Place to store resulting real mode registers
REMARKS:
This functions calls a real mode interrupt function at the specified address,
@@ -323,10 +323,10 @@ int X86API BE_int86(int intno, RMREGS * in, RMREGS * out)
/****************************************************************************
PARAMETERS:
-intno - Interrupt number to execute
-in - Real mode registers to load
-out - Place to store resulting real mode registers
-sregs - Real mode segment registers to load
+intno - Interrupt number to execute
+in - Real mode registers to load
+out - Place to store resulting real mode registers
+sregs - Real mode segment registers to load
REMARKS:
This functions calls a real mode interrupt function at the specified address,
diff --git a/drivers/bios_emulator/biosemui.h b/drivers/bios_emulator/biosemui.h
index 3265ac1..e85e656 100644
--- a/drivers/bios_emulator/biosemui.h
+++ b/drivers/bios_emulator/biosemui.h
@@ -1,12 +1,12 @@
/****************************************************************************
*
-* BIOS emulator and interface
-* to Realmode X86 Emulator Library
+* BIOS emulator and interface
+* to Realmode X86 Emulator Library
*
* Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
* Jason Jin <Jason.jin@freescale.com>
*
-* Copyright (C) 1996-1999 SciTech Software, Inc.
+* Copyright (C) 1996-1999 SciTech Software, Inc.
*
* ========================================================================
*
@@ -16,7 +16,7 @@
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of the authors not be used
* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
+* without specific, written prior permission. The authors makes no
* representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
@@ -30,14 +30,14 @@
*
* ========================================================================
*
-* Language: ANSI C
-* Environment: Any
-* Developer: Kendall Bennett
+* Language: ANSI C
+* Environment: Any
+* Developer: Kendall Bennett
*
-* Description: Internal header file for the BIOS emulator library.
+* Description: Internal header file for the BIOS emulator library.
*
-* Jason ported this file to u-boot, Added some architecture
-* related Macro.
+* Jason ported this file to u-boot, Added some architecture
+* related Macro.
*
****************************************************************************/
@@ -49,14 +49,14 @@
/*---------------------- Macros and type definitions ----------------------*/
#ifdef DEBUG
-#define DB(x) x
+#define DB(x) x
#else
-#define DB(x) do{}while(0);
+#define DB(x) do{}while(0);
#endif
-#define BIOS_SEG 0xfff0
+#define BIOS_SEG 0xfff0
extern X86EMU_sysEnv _X86EMU_env;
-#define M _X86EMU_env
+#define M _X86EMU_env
/* Macros to read and write values to x86 emulator memory. Memory is always
* considered to be little endian, so we use macros to do endian swapping
@@ -64,21 +64,21 @@ extern X86EMU_sysEnv _X86EMU_env;
*/
#ifdef __BIG_ENDIAN__
-#define readb_le(base) *((u8*)(base))
-#define readw_le(base) ((u16)readb_le(base) | ((u16)readb_le((base) + 1) << 8))
-#define readl_le(base) ((u32)readb_le((base) + 0) | ((u32)readb_le((base) + 1) << 8) | \
- ((u32)readb_le((base) + 2) << 16) | ((u32)readb_le((base) + 3) << 24))
+#define readb_le(base) *((u8*)(base))
+#define readw_le(base) ((u16)readb_le(base) | ((u16)readb_le((base) + 1) << 8))
+#define readl_le(base) ((u32)readb_le((base) + 0) | ((u32)readb_le((base) + 1) << 8) | \
+ ((u32)readb_le((base) + 2) << 16) | ((u32)readb_le((base) + 3) << 24))
#define writeb_le(base, v) *((u8*)(base)) = (v)
-#define writew_le(base, v) writeb_le(base + 0, (v >> 0) & 0xff), \
- writeb_le(base + 1, (v >> 8) & 0xff)
-#define writel_le(base, v) writeb_le(base + 0, (v >> 0) & 0xff), \
- writeb_le(base + 1, (v >> 8) & 0xff), \
- writeb_le(base + 2, (v >> 16) & 0xff), \
- writeb_le(base + 3, (v >> 24) & 0xff)
+#define writew_le(base, v) writeb_le(base + 0, (v >> 0) & 0xff), \
+ writeb_le(base + 1, (v >> 8) & 0xff)
+#define writel_le(base, v) writeb_le(base + 0, (v >> 0) & 0xff), \
+ writeb_le(base + 1, (v >> 8) & 0xff), \
+ writeb_le(base + 2, (v >> 16) & 0xff), \
+ writeb_le(base + 3, (v >> 24) & 0xff)
#else
-#define readb_le(base) *((u8*)(base))
-#define readw_le(base) *((u16*)(base))
-#define readl_le(base) *((u32*)(base))
+#define readb_le(base) *((u8*)(base))
+#define readw_le(base) *((u16*)(base))
+#define readl_le(base) *((u32*)(base))
#define writeb_le(base, v) *((u8*)(base)) = (v)
#define writew_le(base, v) *((u16*)(base)) = (v)
#define writel_le(base, v) *((u32*)(base)) = (v)
@@ -118,8 +118,8 @@ HEADER:
biosemu.h
MEMBERS:
-type - Type of port access (1 = byte, 2 = word, 3 = dword)
-defVal - Default power on value
+type - Type of port access (1 = byte, 2 = word, 3 = dword)
+defVal - Default power on value
finalVal - Final value
****************************************************************************/
typedef struct {
diff --git a/drivers/bios_emulator/include/x86emu/debug.h b/drivers/bios_emulator/include/x86emu/debug.h
index 35e1e9a..268c9d3 100644
--- a/drivers/bios_emulator/include/x86emu/debug.h
+++ b/drivers/bios_emulator/include/x86emu/debug.h
@@ -1,10 +1,10 @@
/****************************************************************************
*
-* Realmode X86 Emulator Library
+* Realmode X86 Emulator Library
*
-* Copyright (C) 1991-2004 SciTech Software, Inc.
-* Copyright (C) David Mosberger-Tang
-* Copyright (C) 1999 Egbert Eich
+* Copyright (C) 1991-2004 SciTech Software, Inc.
+* Copyright (C) David Mosberger-Tang
+* Copyright (C) 1999 Egbert Eich
*
* ========================================================================
*
@@ -14,7 +14,7 @@
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of the authors not be used
* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
+* without specific, written prior permission. The authors makes no
* representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
@@ -28,11 +28,11 @@
*
* ========================================================================
*
-* Language: ANSI C
-* Environment: Any
-* Developer: Kendall Bennett
+* Language: ANSI C
+* Environment: Any
+* Developer: Kendall Bennett
*
-* Description: Header file for debug definitions.
+* Description: Header file for debug definitions.
*
****************************************************************************/
@@ -43,16 +43,16 @@
/* checks to be enabled for "runtime" */
-#define CHECK_IP_FETCH_F 0x1
-#define CHECK_SP_ACCESS_F 0x2
-#define CHECK_MEM_ACCESS_F 0x4 /*using regular linear pointer */
-#define CHECK_DATA_ACCESS_F 0x8 /*using segment:offset */
+#define CHECK_IP_FETCH_F 0x1
+#define CHECK_SP_ACCESS_F 0x2
+#define CHECK_MEM_ACCESS_F 0x4 /*using regular linear pointer */
+#define CHECK_DATA_ACCESS_F 0x8 /*using segment:offset */
#ifdef DEBUG
-# define CHECK_IP_FETCH() (M.x86.check & CHECK_IP_FETCH_F)
-# define CHECK_SP_ACCESS() (M.x86.check & CHECK_SP_ACCESS_F)
-# define CHECK_MEM_ACCESS() (M.x86.check & CHECK_MEM_ACCESS_F)
-# define CHECK_DATA_ACCESS() (M.x86.check & CHECK_DATA_ACCESS_F)
+# define CHECK_IP_FETCH() (M.x86.check & CHECK_IP_FETCH_F)
+# define CHECK_SP_ACCESS() (M.x86.check & CHECK_SP_ACCESS_F)
+# define CHECK_MEM_ACCESS() (M.x86.check & CHECK_MEM_ACCESS_F)
+# define CHECK_DATA_ACCESS() (M.x86.check & CHECK_DATA_ACCESS_F)
#else
# define CHECK_IP_FETCH()
# define CHECK_SP_ACCESS()
@@ -61,50 +61,50 @@
#endif
#ifdef DEBUG
-# define DEBUG_INSTRUMENT() (M.x86.debug & DEBUG_INSTRUMENT_F)
-# define DEBUG_DECODE() (M.x86.debug & DEBUG_DECODE_F)
-# define DEBUG_TRACE() (M.x86.debug & DEBUG_TRACE_F)
-# define DEBUG_STEP() (M.x86.debug & DEBUG_STEP_F)
-# define DEBUG_DISASSEMBLE() (M.x86.debug & DEBUG_DISASSEMBLE_F)
-# define DEBUG_BREAK() (M.x86.debug & DEBUG_BREAK_F)
-# define DEBUG_SVC() (M.x86.debug & DEBUG_SVC_F)
-# define DEBUG_SAVE_IP_CS() (M.x86.debug & DEBUG_SAVE_CS_IP)
-
-# define DEBUG_FS() (M.x86.debug & DEBUG_FS_F)
-# define DEBUG_PROC() (M.x86.debug & DEBUG_PROC_F)
-# define DEBUG_SYSINT() (M.x86.debug & DEBUG_SYSINT_F)
-# define DEBUG_TRACECALL() (M.x86.debug & DEBUG_TRACECALL_F)
-# define DEBUG_TRACECALLREGS() (M.x86.debug & DEBUG_TRACECALL_REGS_F)
-# define DEBUG_SYS() (M.x86.debug & DEBUG_SYS_F)
-# define DEBUG_MEM_TRACE() (M.x86.debug & DEBUG_MEM_TRACE_F)
-# define DEBUG_IO_TRACE() (M.x86.debug & DEBUG_IO_TRACE_F)
+# define DEBUG_INSTRUMENT() (M.x86.debug & DEBUG_INSTRUMENT_F)
+# define DEBUG_DECODE() (M.x86.debug & DEBUG_DECODE_F)
+# define DEBUG_TRACE() (M.x86.debug & DEBUG_TRACE_F)
+# define DEBUG_STEP() (M.x86.debug & DEBUG_STEP_F)
+# define DEBUG_DISASSEMBLE() (M.x86.debug & DEBUG_DISASSEMBLE_F)
+# define DEBUG_BREAK() (M.x86.debug & DEBUG_BREAK_F)
+# define DEBUG_SVC() (M.x86.debug & DEBUG_SVC_F)
+# define DEBUG_SAVE_IP_CS() (M.x86.debug & DEBUG_SAVE_CS_IP)
+
+# define DEBUG_FS() (M.x86.debug & DEBUG_FS_F)
+# define DEBUG_PROC() (M.x86.debug & DEBUG_PROC_F)
+# define DEBUG_SYSINT() (M.x86.debug & DEBUG_SYSINT_F)
+# define DEBUG_TRACECALL() (M.x86.debug & DEBUG_TRACECALL_F)
+# define DEBUG_TRACECALLREGS() (M.x86.debug & DEBUG_TRACECALL_REGS_F)
+# define DEBUG_SYS() (M.x86.debug & DEBUG_SYS_F)
+# define DEBUG_MEM_TRACE() (M.x86.debug & DEBUG_MEM_TRACE_F)
+# define DEBUG_IO_TRACE() (M.x86.debug & DEBUG_IO_TRACE_F)
# define DEBUG_DECODE_NOPRINT() (M.x86.debug & DEBUG_DECODE_NOPRINT_F)
#else
-# define DEBUG_INSTRUMENT() 0
-# define DEBUG_DECODE() 0
-# define DEBUG_TRACE() 0
-# define DEBUG_STEP() 0
-# define DEBUG_DISASSEMBLE() 0
-# define DEBUG_BREAK() 0
-# define DEBUG_SVC() 0
-# define DEBUG_SAVE_IP_CS() 0
-# define DEBUG_FS() 0
-# define DEBUG_PROC() 0
-# define DEBUG_SYSINT() 0
-# define DEBUG_TRACECALL() 0
-# define DEBUG_TRACECALLREGS() 0
-# define DEBUG_SYS() 0
-# define DEBUG_MEM_TRACE() 0
-# define DEBUG_IO_TRACE() 0
+# define DEBUG_INSTRUMENT() 0
+# define DEBUG_DECODE() 0
+# define DEBUG_TRACE() 0
+# define DEBUG_STEP() 0
+# define DEBUG_DISASSEMBLE() 0
+# define DEBUG_BREAK() 0
+# define DEBUG_SVC() 0
+# define DEBUG_SAVE_IP_CS() 0
+# define DEBUG_FS() 0
+# define DEBUG_PROC() 0
+# define DEBUG_SYSINT() 0
+# define DEBUG_TRACECALL() 0
+# define DEBUG_TRACECALLREGS() 0
+# define DEBUG_SYS() 0
+# define DEBUG_MEM_TRACE() 0
+# define DEBUG_IO_TRACE() 0
# define DEBUG_DECODE_NOPRINT() 0
#endif
#ifdef DEBUG
-# define DECODE_PRINTF(x) if (DEBUG_DECODE()) \
- x86emu_decode_printf(x)
-# define DECODE_PRINTF2(x,y) if (DEBUG_DECODE()) \
- x86emu_decode_printf2(x,y)
+# define DECODE_PRINTF(x) if (DEBUG_DECODE()) \
+ x86emu_decode_printf(x)
+# define DECODE_PRINTF2(x,y) if (DEBUG_DECODE()) \
+ x86emu_decode_printf2(x,y)
/*
* The following allow us to look at the bytes of an instruction. The
@@ -112,15 +112,15 @@
* the decoding process. The SAVE_IP_CS is called initially when the
* major opcode of the instruction is accessed.
*/
-#define INC_DECODED_INST_LEN(x) \
- if (DEBUG_DECODE()) \
- x86emu_inc_decoded_inst_len(x)
+#define INC_DECODED_INST_LEN(x) \
+ if (DEBUG_DECODE()) \
+ x86emu_inc_decoded_inst_len(x)
-#define SAVE_IP_CS(x,y) \
+#define SAVE_IP_CS(x,y) \
if (DEBUG_DECODE() | DEBUG_TRACECALL() | DEBUG_BREAK() \
- | DEBUG_IO_TRACE() | DEBUG_SAVE_IP_CS()) { \
- M.x86.saved_cs = x; \
- M.x86.saved_ip = y; \
+ | DEBUG_IO_TRACE() | DEBUG_SAVE_IP_CS()) { \
+ M.x86.saved_cs = x; \
+ M.x86.saved_ip = y; \
}
#else
# define INC_DECODED_INST_LEN(x)
@@ -130,29 +130,29 @@
#endif
#ifdef DEBUG
-#define TRACE_REGS() \
- if (DEBUG_DISASSEMBLE()) { \
- x86emu_just_disassemble(); \
- goto EndOfTheInstructionProcedure; \
- } \
+#define TRACE_REGS() \
+ if (DEBUG_DISASSEMBLE()) { \
+ x86emu_just_disassemble(); \
+ goto EndOfTheInstructionProcedure; \
+ } \
if (DEBUG_TRACE() || DEBUG_DECODE()) X86EMU_trace_regs()
#else
# define TRACE_REGS()
#endif
#ifdef DEBUG
-# define SINGLE_STEP() if (DEBUG_STEP()) x86emu_single_step()
+# define SINGLE_STEP() if (DEBUG_STEP()) x86emu_single_step()
#else
# define SINGLE_STEP()
#endif
#define TRACE_AND_STEP() \
- TRACE_REGS(); \
+ TRACE_REGS(); \
SINGLE_STEP()
#ifdef DEBUG
# define START_OF_INSTR()
-# define END_OF_INSTR() EndOfTheInstructionProcedure: x86emu_end_instr();
+# define END_OF_INSTR() EndOfTheInstructionProcedure: x86emu_end_instr();
# define END_OF_INSTR_NO_TRACE() x86emu_end_instr();
#else
# define START_OF_INSTR()
@@ -161,30 +161,30 @@
#endif
#ifdef DEBUG
-# define CALL_TRACE(u,v,w,x,s) \
- if (DEBUG_TRACECALLREGS()) \
- x86emu_dump_regs(); \
- if (DEBUG_TRACECALL()) \
- printk("%04x:%04x: CALL %s%04x:%04x\n", u , v, s, w, x);
-# define RETURN_TRACE(n,u,v) \
- if (DEBUG_TRACECALLREGS()) \
- x86emu_dump_regs(); \
- if (DEBUG_TRACECALL()) \
- printk("%04x:%04x: %s\n",u,v,n);
+# define CALL_TRACE(u,v,w,x,s) \
+ if (DEBUG_TRACECALLREGS()) \
+ x86emu_dump_regs(); \
+ if (DEBUG_TRACECALL()) \
+ printk("%04x:%04x: CALL %s%04x:%04x\n", u , v, s, w, x);
+# define RETURN_TRACE(n,u,v) \
+ if (DEBUG_TRACECALLREGS()) \
+ x86emu_dump_regs(); \
+ if (DEBUG_TRACECALL()) \
+ printk("%04x:%04x: %s\n",u,v,n);
#else
# define CALL_TRACE(u,v,w,x,s)
# define RETURN_TRACE(n,u,v)
#endif
#ifdef DEBUG
-#define DB(x) x
+#define DB(x) x
#else
#define DB(x)
#endif
/*-------------------------- Function Prototypes --------------------------*/
-#ifdef __cplusplus
+#ifdef __cplusplus
extern "C" { /* Use "C" linkage when in C++ mode */
#endif
@@ -203,7 +203,7 @@ extern "C" { /* Use "C" linkage when in C++ mode */
extern void x86emu_check_mem_access(u32 p);
extern void x86emu_check_data_access(uint s, uint o);
-#ifdef __cplusplus
-} /* End of "C" linkage for C++ */
+#ifdef __cplusplus
+} /* End of "C" linkage for C++ */
#endif
#endif /* __X86EMU_DEBUG_H */
diff --git a/drivers/bios_emulator/include/x86emu/prim_ops.h b/drivers/bios_emulator/include/x86emu/prim_ops.h
index 0ea825d..2291e84 100644
--- a/drivers/bios_emulator/include/x86emu/prim_ops.h
+++ b/drivers/bios_emulator/include/x86emu/prim_ops.h
@@ -139,4 +139,3 @@ u32 pop_long (void);
#endif
#endif /* __X86EMU_PRIM_OPS_H */
-
diff --git a/drivers/bios_emulator/include/x86emu/regs.h b/drivers/bios_emulator/include/x86emu/regs.h
index 9dbed50..a7fedd2 100644
--- a/drivers/bios_emulator/include/x86emu/regs.h
+++ b/drivers/bios_emulator/include/x86emu/regs.h
@@ -1,10 +1,10 @@
/****************************************************************************
*
-* Realmode X86 Emulator Library
+* Realmode X86 Emulator Library
*
-* Copyright (C) 1991-2004 SciTech Software, Inc.
-* Copyright (C) David Mosberger-Tang
-* Copyright (C) 1999 Egbert Eich
+* Copyright (C) 1991-2004 SciTech Software, Inc.
+* Copyright (C) David Mosberger-Tang
+* Copyright (C) 1999 Egbert Eich
*
* ========================================================================
*
@@ -14,7 +14,7 @@
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of the authors not be used
* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
+* without specific, written prior permission. The authors makes no
* representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
@@ -28,11 +28,11 @@
*
* ========================================================================
*
-* Language: ANSI C
-* Environment: Any
-* Developer: Kendall Bennett
+* Language: ANSI C
+* Environment: Any
+* Developer: Kendall Bennett
*
-* Description: Header file for x86 register definitions.
+* Description: Header file for x86 register definitions.
*
****************************************************************************/
@@ -54,11 +54,11 @@
* EAX & 0xff === AL
* EAX & 0xffff == AX
*
- * etc. The result is that alot of the calculations can then be
+ * etc. The result is that alot of the calculations can then be
* done using the native instruction set fully.
*/
-#ifdef __BIG_ENDIAN__
+#ifdef __BIG_ENDIAN__
typedef struct {
u32 e_reg;
@@ -178,7 +178,7 @@ struct i386_segment_regs {
/* flag conditions */
#define FB_CF 0x0001 /* CARRY flag */
#define FB_PF 0x0004 /* PARITY flag */
-#define FB_AF 0x0010 /* AUX flag */
+#define FB_AF 0x0010 /* AUX flag */
#define FB_ZF 0x0040 /* ZERO flag */
#define FB_SF 0x0080 /* SIGN flag */
#define FB_TF 0x0100 /* TRAP flag */
@@ -199,7 +199,7 @@ struct i386_segment_regs {
#define F_CF 0x0001 /* CARRY flag */
#define F_PF 0x0004 /* PARITY flag */
-#define F_AF 0x0010 /* AUX flag */
+#define F_AF 0x0010 /* AUX flag */
#define F_ZF 0x0040 /* ZERO flag */
#define F_SF 0x0080 /* SIGN flag */
#define F_TF 0x0100 /* TRAP flag */
@@ -207,60 +207,60 @@ struct i386_segment_regs {
#define F_DF 0x0400 /* DIR flag */
#define F_OF 0x0800 /* OVERFLOW flag */
-#define TOGGLE_FLAG(flag) (M.x86.R_FLG ^= (flag))
-#define SET_FLAG(flag) (M.x86.R_FLG |= (flag))
-#define CLEAR_FLAG(flag) (M.x86.R_FLG &= ~(flag))
-#define ACCESS_FLAG(flag) (M.x86.R_FLG & (flag))
-#define CLEARALL_FLAG(m) (M.x86.R_FLG = 0)
+#define TOGGLE_FLAG(flag) (M.x86.R_FLG ^= (flag))
+#define SET_FLAG(flag) (M.x86.R_FLG |= (flag))
+#define CLEAR_FLAG(flag) (M.x86.R_FLG &= ~(flag))
+#define ACCESS_FLAG(flag) (M.x86.R_FLG & (flag))
+#define CLEARALL_FLAG(m) (M.x86.R_FLG = 0)
#define CONDITIONAL_SET_FLAG(COND,FLAG) \
if (COND) SET_FLAG(FLAG); else CLEAR_FLAG(FLAG)
-#define F_PF_CALC 0x010000 /* PARITY flag has been calced */
-#define F_ZF_CALC 0x020000 /* ZERO flag has been calced */
-#define F_SF_CALC 0x040000 /* SIGN flag has been calced */
+#define F_PF_CALC 0x010000 /* PARITY flag has been calced */
+#define F_ZF_CALC 0x020000 /* ZERO flag has been calced */
+#define F_SF_CALC 0x040000 /* SIGN flag has been calced */
-#define F_ALL_CALC 0xff0000 /* All have been calced */
+#define F_ALL_CALC 0xff0000 /* All have been calced */
/*
* Emulator machine state.
* Segment usage control.
*/
-#define SYSMODE_SEG_DS_SS 0x00000001
-#define SYSMODE_SEGOVR_CS 0x00000002
-#define SYSMODE_SEGOVR_DS 0x00000004
-#define SYSMODE_SEGOVR_ES 0x00000008
-#define SYSMODE_SEGOVR_FS 0x00000010
-#define SYSMODE_SEGOVR_GS 0x00000020
-#define SYSMODE_SEGOVR_SS 0x00000040
-#define SYSMODE_PREFIX_REPE 0x00000080
-#define SYSMODE_PREFIX_REPNE 0x00000100
-#define SYSMODE_PREFIX_DATA 0x00000200
-#define SYSMODE_PREFIX_ADDR 0x00000400
-#define SYSMODE_INTR_PENDING 0x10000000
-#define SYSMODE_EXTRN_INTR 0x20000000
-#define SYSMODE_HALTED 0x40000000
-
-#define SYSMODE_SEGMASK (SYSMODE_SEG_DS_SS | \
- SYSMODE_SEGOVR_CS | \
- SYSMODE_SEGOVR_DS | \
- SYSMODE_SEGOVR_ES | \
- SYSMODE_SEGOVR_FS | \
- SYSMODE_SEGOVR_GS | \
- SYSMODE_SEGOVR_SS)
-#define SYSMODE_CLRMASK (SYSMODE_SEG_DS_SS | \
- SYSMODE_SEGOVR_CS | \
- SYSMODE_SEGOVR_DS | \
- SYSMODE_SEGOVR_ES | \
- SYSMODE_SEGOVR_FS | \
- SYSMODE_SEGOVR_GS | \
- SYSMODE_SEGOVR_SS | \
- SYSMODE_PREFIX_DATA | \
- SYSMODE_PREFIX_ADDR)
-
-#define INTR_SYNCH 0x1
-#define INTR_ASYNCH 0x2
-#define INTR_HALTED 0x4
+#define SYSMODE_SEG_DS_SS 0x00000001
+#define SYSMODE_SEGOVR_CS 0x00000002
+#define SYSMODE_SEGOVR_DS 0x00000004
+#define SYSMODE_SEGOVR_ES 0x00000008
+#define SYSMODE_SEGOVR_FS 0x00000010
+#define SYSMODE_SEGOVR_GS 0x00000020
+#define SYSMODE_SEGOVR_SS 0x00000040
+#define SYSMODE_PREFIX_REPE 0x00000080
+#define SYSMODE_PREFIX_REPNE 0x00000100
+#define SYSMODE_PREFIX_DATA 0x00000200
+#define SYSMODE_PREFIX_ADDR 0x00000400
+#define SYSMODE_INTR_PENDING 0x10000000
+#define SYSMODE_EXTRN_INTR 0x20000000
+#define SYSMODE_HALTED 0x40000000
+
+#define SYSMODE_SEGMASK (SYSMODE_SEG_DS_SS | \
+ SYSMODE_SEGOVR_CS | \
+ SYSMODE_SEGOVR_DS | \
+ SYSMODE_SEGOVR_ES | \
+ SYSMODE_SEGOVR_FS | \
+ SYSMODE_SEGOVR_GS | \
+ SYSMODE_SEGOVR_SS)
+#define SYSMODE_CLRMASK (SYSMODE_SEG_DS_SS | \
+ SYSMODE_SEGOVR_CS | \
+ SYSMODE_SEGOVR_DS | \
+ SYSMODE_SEGOVR_ES | \
+ SYSMODE_SEGOVR_FS | \
+ SYSMODE_SEGOVR_GS | \
+ SYSMODE_SEGOVR_SS | \
+ SYSMODE_PREFIX_DATA | \
+ SYSMODE_PREFIX_ADDR)
+
+#define INTR_SYNCH 0x1
+#define INTR_ASYNCH 0x2
+#define INTR_HALTED 0x4
typedef struct {
struct i386_general_regs gen;
@@ -268,15 +268,15 @@ typedef struct {
struct i386_segment_regs seg;
/*
* MODE contains information on:
- * REPE prefix 2 bits repe,repne
- * SEGMENT overrides 5 bits normal,DS,SS,CS,ES
- * Delayed flag set 3 bits (zero, signed, parity)
- * reserved 6 bits
- * interrupt # 8 bits instruction raised interrupt
- * BIOS video segregs 4 bits
- * Interrupt Pending 1 bits
- * Extern interrupt 1 bits
- * Halted 1 bits
+ * REPE prefix 2 bits repe,repne
+ * SEGMENT overrides 5 bits normal,DS,SS,CS,ES
+ * Delayed flag set 3 bits (zero, signed, parity)
+ * reserved 6 bits
+ * interrupt # 8 bits instruction raised interrupt
+ * BIOS video segregs 4 bits
+ * Interrupt Pending 1 bits
+ * Extern interrupt 1 bits
+ * Halted 1 bits
*/
long mode;
u8 intno;
@@ -288,7 +288,7 @@ typedef struct {
u16 saved_cs;
int enc_pos;
int enc_str_pos;
- char decode_buf[32]; /* encoded byte stream */
+ char decode_buf[32]; /* encoded byte stream */
char decoded_buf[256]; /* disassembled strings */
#endif
} X86EMU_regs;
@@ -298,9 +298,9 @@ REMARKS:
Structure maintaining the emulator machine state.
MEMBERS:
-x86 - X86 registers
-mem_base - Base real mode memory for the emulator
-mem_size - Size of the real mode memory block for the emulator
+x86 - X86 registers
+mem_base - Base real mode memory for the emulator
+mem_size - Size of the real mode memory block for the emulator
****************************************************************************/
#undef x86
typedef struct {
@@ -314,7 +314,7 @@ typedef struct {
/*----------------------------- Global Variables --------------------------*/
-#ifdef __cplusplus
+#ifdef __cplusplus
extern "C" { /* Use "C" linkage when in C++ mode */
#endif
@@ -324,7 +324,7 @@ extern "C" { /* Use "C" linkage when in C++ mode */
*/
extern X86EMU_sysEnv _X86EMU_env;
-#define M _X86EMU_env
+#define M _X86EMU_env
/*-------------------------- Function Prototypes --------------------------*/
@@ -334,7 +334,7 @@ extern "C" { /* Use "C" linkage when in C++ mode */
void printk(const char *fmt, ...);
#endif
-#ifdef __cplusplus
-} /* End of "C" linkage for C++ */
+#ifdef __cplusplus
+} /* End of "C" linkage for C++ */
#endif
#endif /* __X86EMU_REGS_H */
diff --git a/drivers/bios_emulator/x86emu/decode.c b/drivers/bios_emulator/x86emu/decode.c
index b4dbb20..1e2dcfe 100644
--- a/drivers/bios_emulator/x86emu/decode.c
+++ b/drivers/bios_emulator/x86emu/decode.c
@@ -1,10 +1,10 @@
/****************************************************************************
*
-* Realmode X86 Emulator Library
+* Realmode X86 Emulator Library
*
-* Copyright (C) 1991-2004 SciTech Software, Inc.
-* Copyright (C) David Mosberger-Tang
-* Copyright (C) 1999 Egbert Eich
+* Copyright (C) 1991-2004 SciTech Software, Inc.
+* Copyright (C) David Mosberger-Tang
+* Copyright (C) 1999 Egbert Eich
*
* ========================================================================
*
@@ -14,7 +14,7 @@
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of the authors not be used
* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
+* without specific, written prior permission. The authors makes no
* representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
@@ -28,12 +28,12 @@
*
* ========================================================================
*
-* Language: ANSI C
-* Environment: Any
-* Developer: Kendall Bennett
+* Language: ANSI C
+* Environment: Any
+* Developer: Kendall Bennett
*
-* Description: This file includes subroutines which are related to
-* instruction decoding and accessess of immediate data via IP. etc.
+* Description: This file includes subroutines which are related to
+* instruction decoding and accessess of immediate data via IP. etc.
*
****************************************************************************/
@@ -47,22 +47,22 @@ Handles any pending asychronous interrupts.
****************************************************************************/
static void x86emu_intr_handle(void)
{
- u8 intno;
+ u8 intno;
if (M.x86.intr & INTR_SYNCH) {
- intno = M.x86.intno;
- if (_X86EMU_intrTab[intno]) {
- (*_X86EMU_intrTab[intno])(intno);
- } else {
- push_word((u16)M.x86.R_FLG);
- CLEAR_FLAG(F_IF);
- CLEAR_FLAG(F_TF);
- push_word(M.x86.R_CS);
- M.x86.R_CS = mem_access_word(intno * 4 + 2);
- push_word(M.x86.R_IP);
- M.x86.R_IP = mem_access_word(intno * 4);
- M.x86.intr = 0;
- }
+ intno = M.x86.intno;
+ if (_X86EMU_intrTab[intno]) {
+ (*_X86EMU_intrTab[intno])(intno);
+ } else {
+ push_word((u16)M.x86.R_FLG);
+ CLEAR_FLAG(F_IF);
+ CLEAR_FLAG(F_TF);
+ push_word(M.x86.R_CS);
+ M.x86.R_CS = mem_access_word(intno * 4 + 2);
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = mem_access_word(intno * 4);
+ M.x86.intr = 0;
+ }
}
}
@@ -95,34 +95,34 @@ void X86EMU_exec(void)
DB(x86emu_end_instr();)
for (;;) {
-DB( if (CHECK_IP_FETCH())
- x86emu_check_ip_access();)
- /* If debugging, save the IP and CS values. */
- SAVE_IP_CS(M.x86.R_CS, M.x86.R_IP);
- INC_DECODED_INST_LEN(1);
- if (M.x86.intr) {
- if (M.x86.intr & INTR_HALTED) {
-DB( if (M.x86.R_SP != 0) {
- printk("halted\n");
- X86EMU_trace_regs();
- }
- else {
- if (M.x86.debug)
- printk("Service completed successfully\n");
- })
- return;
- }
- if (((M.x86.intr & INTR_SYNCH) && (M.x86.intno == 0 || M.x86.intno == 2)) ||
- !ACCESS_FLAG(F_IF)) {
- x86emu_intr_handle();
- }
- }
- op1 = (*sys_rdb)(((u32)M.x86.R_CS << 4) + (M.x86.R_IP++));
- (*x86emu_optab[op1])(op1);
- if (M.x86.debug & DEBUG_EXIT) {
- M.x86.debug &= ~DEBUG_EXIT;
- return;
- }
+DB( if (CHECK_IP_FETCH())
+ x86emu_check_ip_access();)
+ /* If debugging, save the IP and CS values. */
+ SAVE_IP_CS(M.x86.R_CS, M.x86.R_IP);
+ INC_DECODED_INST_LEN(1);
+ if (M.x86.intr) {
+ if (M.x86.intr & INTR_HALTED) {
+DB( if (M.x86.R_SP != 0) {
+ printk("halted\n");
+ X86EMU_trace_regs();
+ }
+ else {
+ if (M.x86.debug)
+ printk("Service completed successfully\n");
+ })
+ return;
+ }
+ if (((M.x86.intr & INTR_SYNCH) && (M.x86.intno == 0 || M.x86.intno == 2)) ||
+ !ACCESS_FLAG(F_IF)) {
+ x86emu_intr_handle();
+ }
+ }
+ op1 = (*sys_rdb)(((u32)M.x86.R_CS << 4) + (M.x86.R_IP++));
+ (*x86emu_optab[op1])(op1);
+ if (M.x86.debug & DEBUG_EXIT) {
+ M.x86.debug &= ~DEBUG_EXIT;
+ return;
+ }
}
}
@@ -137,9 +137,9 @@ void X86EMU_halt_sys(void)
/****************************************************************************
PARAMETERS:
-mod - Mod value from decoded byte
-regh - Reg h value from decoded byte
-regl - Reg l value from decoded byte
+mod - Mod value from decoded byte
+regh - Reg h value from decoded byte
+regl - Reg l value from decoded byte
REMARKS:
Raise the specified interrupt to be handled before the execution of the
@@ -155,7 +155,7 @@ void fetch_decode_modrm(
int fetched;
DB( if (CHECK_IP_FETCH())
- x86emu_check_ip_access();)
+ x86emu_check_ip_access();)
fetched = (*sys_rdb)(((u32)M.x86.R_CS << 4) + (M.x86.R_IP++));
INC_DECODED_INST_LEN(1);
*mod = (fetched >> 6) & 0x03;
@@ -178,7 +178,7 @@ u8 fetch_byte_imm(void)
u8 fetched;
DB( if (CHECK_IP_FETCH())
- x86emu_check_ip_access();)
+ x86emu_check_ip_access();)
fetched = (*sys_rdb)(((u32)M.x86.R_CS << 4) + (M.x86.R_IP++));
INC_DECODED_INST_LEN(1);
return fetched;
@@ -199,7 +199,7 @@ u16 fetch_word_imm(void)
u16 fetched;
DB( if (CHECK_IP_FETCH())
- x86emu_check_ip_access();)
+ x86emu_check_ip_access();)
fetched = (*sys_rdw)(((u32)M.x86.R_CS << 4) + (M.x86.R_IP));
M.x86.R_IP += 2;
INC_DECODED_INST_LEN(2);
@@ -221,7 +221,7 @@ u32 fetch_long_imm(void)
u32 fetched;
DB( if (CHECK_IP_FETCH())
- x86emu_check_ip_access();)
+ x86emu_check_ip_access();)
fetched = (*sys_rdl)(((u32)M.x86.R_CS << 4) + (M.x86.R_IP));
M.x86.R_IP += 4;
INC_DECODED_INST_LEN(4);
@@ -261,39 +261,39 @@ _INLINE u32 get_data_segment(void)
{
#define GET_SEGMENT(segment)
switch (M.x86.mode & SYSMODE_SEGMASK) {
- case 0: /* default case: use ds register */
+ case 0: /* default case: use ds register */
case SYSMODE_SEGOVR_DS:
case SYSMODE_SEGOVR_DS | SYSMODE_SEG_DS_SS:
- return M.x86.R_DS;
- case SYSMODE_SEG_DS_SS: /* non-overridden, use ss register */
- return M.x86.R_SS;
+ return M.x86.R_DS;
+ case SYSMODE_SEG_DS_SS: /* non-overridden, use ss register */
+ return M.x86.R_SS;
case SYSMODE_SEGOVR_CS:
case SYSMODE_SEGOVR_CS | SYSMODE_SEG_DS_SS:
- return M.x86.R_CS;
+ return M.x86.R_CS;
case SYSMODE_SEGOVR_ES:
case SYSMODE_SEGOVR_ES | SYSMODE_SEG_DS_SS:
- return M.x86.R_ES;
+ return M.x86.R_ES;
case SYSMODE_SEGOVR_FS:
case SYSMODE_SEGOVR_FS | SYSMODE_SEG_DS_SS:
- return M.x86.R_FS;
+ return M.x86.R_FS;
case SYSMODE_SEGOVR_GS:
case SYSMODE_SEGOVR_GS | SYSMODE_SEG_DS_SS:
- return M.x86.R_GS;
+ return M.x86.R_GS;
case SYSMODE_SEGOVR_SS:
case SYSMODE_SEGOVR_SS | SYSMODE_SEG_DS_SS:
- return M.x86.R_SS;
+ return M.x86.R_SS;
default:
-#ifdef DEBUG
- printk("error: should not happen: multiple overrides.\n");
+#ifdef DEBUG
+ printk("error: should not happen: multiple overrides.\n");
#endif
- HALT_SYS();
- return 0;
+ HALT_SYS();
+ return 0;
}
}
/****************************************************************************
PARAMETERS:
-offset - Offset to load data from
+offset - Offset to load data from
RETURNS:
Byte value read from the absolute memory location.
@@ -305,14 +305,14 @@ u8 fetch_data_byte(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access((u16)get_data_segment(), offset);
+ x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
return (*sys_rdb)((get_data_segment() << 4) + offset);
}
/****************************************************************************
PARAMETERS:
-offset - Offset to load data from
+offset - Offset to load data from
RETURNS:
Word value read from the absolute memory location.
@@ -324,14 +324,14 @@ u16 fetch_data_word(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access((u16)get_data_segment(), offset);
+ x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
return (*sys_rdw)((get_data_segment() << 4) + offset);
}
/****************************************************************************
PARAMETERS:
-offset - Offset to load data from
+offset - Offset to load data from
RETURNS:
Long value read from the absolute memory location.
@@ -343,7 +343,7 @@ u32 fetch_data_long(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access((u16)get_data_segment(), offset);
+ x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
return (*sys_rdl)((get_data_segment() << 4) + offset);
}
@@ -351,7 +351,7 @@ u32 fetch_data_long(
/****************************************************************************
PARAMETERS:
segment - Segment to load data from
-offset - Offset to load data from
+offset - Offset to load data from
RETURNS:
Byte value read from the absolute memory location.
@@ -364,7 +364,7 @@ u8 fetch_data_byte_abs(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access(segment, offset);
+ x86emu_check_data_access(segment, offset);
#endif
return (*sys_rdb)(((u32)segment << 4) + offset);
}
@@ -372,7 +372,7 @@ u8 fetch_data_byte_abs(
/****************************************************************************
PARAMETERS:
segment - Segment to load data from
-offset - Offset to load data from
+offset - Offset to load data from
RETURNS:
Word value read from the absolute memory location.
@@ -385,7 +385,7 @@ u16 fetch_data_word_abs(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access(segment, offset);
+ x86emu_check_data_access(segment, offset);
#endif
return (*sys_rdw)(((u32)segment << 4) + offset);
}
@@ -393,7 +393,7 @@ u16 fetch_data_word_abs(
/****************************************************************************
PARAMETERS:
segment - Segment to load data from
-offset - Offset to load data from
+offset - Offset to load data from
RETURNS:
Long value read from the absolute memory location.
@@ -406,15 +406,15 @@ u32 fetch_data_long_abs(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access(segment, offset);
+ x86emu_check_data_access(segment, offset);
#endif
return (*sys_rdl)(((u32)segment << 4) + offset);
}
/****************************************************************************
PARAMETERS:
-offset - Offset to store data at
-val - Value to store
+offset - Offset to store data at
+val - Value to store
REMARKS:
Writes a word value to an segmented memory location. The segment used is
@@ -428,15 +428,15 @@ void store_data_byte(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access((u16)get_data_segment(), offset);
+ x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
(*sys_wrb)((get_data_segment() << 4) + offset, val);
}
/****************************************************************************
PARAMETERS:
-offset - Offset to store data at
-val - Value to store
+offset - Offset to store data at
+val - Value to store
REMARKS:
Writes a word value to an segmented memory location. The segment used is
@@ -450,15 +450,15 @@ void store_data_word(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access((u16)get_data_segment(), offset);
+ x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
(*sys_wrw)((get_data_segment() << 4) + offset, val);
}
/****************************************************************************
PARAMETERS:
-offset - Offset to store data at
-val - Value to store
+offset - Offset to store data at
+val - Value to store
REMARKS:
Writes a long value to an segmented memory location. The segment used is
@@ -472,7 +472,7 @@ void store_data_long(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access((u16)get_data_segment(), offset);
+ x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
(*sys_wrl)((get_data_segment() << 4) + offset, val);
}
@@ -480,8 +480,8 @@ void store_data_long(
/****************************************************************************
PARAMETERS:
segment - Segment to store data at
-offset - Offset to store data at
-val - Value to store
+offset - Offset to store data at
+val - Value to store
REMARKS:
Writes a byte value to an absolute memory location.
@@ -495,7 +495,7 @@ void store_data_byte_abs(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access(segment, offset);
+ x86emu_check_data_access(segment, offset);
#endif
(*sys_wrb)(((u32)segment << 4) + offset, val);
}
@@ -503,8 +503,8 @@ void store_data_byte_abs(
/****************************************************************************
PARAMETERS:
segment - Segment to store data at
-offset - Offset to store data at
-val - Value to store
+offset - Offset to store data at
+val - Value to store
REMARKS:
Writes a word value to an absolute memory location.
@@ -518,7 +518,7 @@ void store_data_word_abs(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access(segment, offset);
+ x86emu_check_data_access(segment, offset);
#endif
(*sys_wrw)(((u32)segment << 4) + offset, val);
}
@@ -526,8 +526,8 @@ void store_data_word_abs(
/****************************************************************************
PARAMETERS:
segment - Segment to store data at
-offset - Offset to store data at
-val - Value to store
+offset - Offset to store data at
+val - Value to store
REMARKS:
Writes a long value to an absolute memory location.
@@ -541,7 +541,7 @@ void store_data_long_abs(
{
#ifdef DEBUG
if (CHECK_DATA_ACCESS())
- x86emu_check_data_access(segment, offset);
+ x86emu_check_data_access(segment, offset);
#endif
(*sys_wrl)(((u32)segment << 4) + offset, val);
}
@@ -562,32 +562,32 @@ u8* decode_rm_byte_register(
{
switch (reg) {
case 0:
- DECODE_PRINTF("AL");
- return &M.x86.R_AL;
+ DECODE_PRINTF("AL");
+ return &M.x86.R_AL;
case 1:
- DECODE_PRINTF("CL");
- return &M.x86.R_CL;
+ DECODE_PRINTF("CL");
+ return &M.x86.R_CL;
case 2:
- DECODE_PRINTF("DL");
- return &M.x86.R_DL;
+ DECODE_PRINTF("DL");
+ return &M.x86.R_DL;
case 3:
- DECODE_PRINTF("BL");
- return &M.x86.R_BL;
+ DECODE_PRINTF("BL");
+ return &M.x86.R_BL;
case 4:
- DECODE_PRINTF("AH");
- return &M.x86.R_AH;
+ DECODE_PRINTF("AH");
+ return &M.x86.R_AH;
case 5:
- DECODE_PRINTF("CH");
- return &M.x86.R_CH;
+ DECODE_PRINTF("CH");
+ return &M.x86.R_CH;
case 6:
- DECODE_PRINTF("DH");
- return &M.x86.R_DH;
+ DECODE_PRINTF("DH");
+ return &M.x86.R_DH;
case 7:
- DECODE_PRINTF("BH");
- return &M.x86.R_BH;
+ DECODE_PRINTF("BH");
+ return &M.x86.R_BH;
}
HALT_SYS();
- return NULL; /* NOT REACHED OR REACHED ON ERROR */
+ return NULL; /* NOT REACHED OR REACHED ON ERROR */
}
/****************************************************************************
@@ -599,39 +599,39 @@ Pointer to the appropriate register
REMARKS:
Return a pointer to the register given by the R/RM field of the
-modrm byte, for word operands. Also enables the decoding of instructions.
+modrm byte, for word operands. Also enables the decoding of instructions.
****************************************************************************/
u16* decode_rm_word_register(
int reg)
{
switch (reg) {
case 0:
- DECODE_PRINTF("AX");
- return &M.x86.R_AX;
+ DECODE_PRINTF("AX");
+ return &M.x86.R_AX;
case 1:
- DECODE_PRINTF("CX");
- return &M.x86.R_CX;
+ DECODE_PRINTF("CX");
+ return &M.x86.R_CX;
case 2:
- DECODE_PRINTF("DX");
- return &M.x86.R_DX;
+ DECODE_PRINTF("DX");
+ return &M.x86.R_DX;
case 3:
- DECODE_PRINTF("BX");
- return &M.x86.R_BX;
+ DECODE_PRINTF("BX");
+ return &M.x86.R_BX;
case 4:
- DECODE_PRINTF("SP");
- return &M.x86.R_SP;
+ DECODE_PRINTF("SP");
+ return &M.x86.R_SP;
case 5:
- DECODE_PRINTF("BP");
- return &M.x86.R_BP;
+ DECODE_PRINTF("BP");
+ return &M.x86.R_BP;
case 6:
- DECODE_PRINTF("SI");
- return &M.x86.R_SI;
+ DECODE_PRINTF("SI");
+ return &M.x86.R_SI;
case 7:
- DECODE_PRINTF("DI");
- return &M.x86.R_DI;
+ DECODE_PRINTF("DI");
+ return &M.x86.R_DI;
}
HALT_SYS();
- return NULL; /* NOTREACHED OR REACHED ON ERROR */
+ return NULL; /* NOTREACHED OR REACHED ON ERROR */
}
/****************************************************************************
@@ -643,39 +643,39 @@ Pointer to the appropriate register
REMARKS:
Return a pointer to the register given by the R/RM field of the
-modrm byte, for dword operands. Also enables the decoding of instructions.
+modrm byte, for dword operands. Also enables the decoding of instructions.
****************************************************************************/
u32* decode_rm_long_register(
int reg)
{
switch (reg) {
case 0:
- DECODE_PRINTF("EAX");
- return &M.x86.R_EAX;
+ DECODE_PRINTF("EAX");
+ return &M.x86.R_EAX;
case 1:
- DECODE_PRINTF("ECX");
- return &M.x86.R_ECX;
+ DECODE_PRINTF("ECX");
+ return &M.x86.R_ECX;
case 2:
- DECODE_PRINTF("EDX");
- return &M.x86.R_EDX;
+ DECODE_PRINTF("EDX");
+ return &M.x86.R_EDX;
case 3:
- DECODE_PRINTF("EBX");
- return &M.x86.R_EBX;
+ DECODE_PRINTF("EBX");
+ return &M.x86.R_EBX;
case 4:
- DECODE_PRINTF("ESP");
- return &M.x86.R_ESP;
+ DECODE_PRINTF("ESP");
+ return &M.x86.R_ESP;
case 5:
- DECODE_PRINTF("EBP");
- return &M.x86.R_EBP;
+ DECODE_PRINTF("EBP");
+ return &M.x86.R_EBP;
case 6:
- DECODE_PRINTF("ESI");
- return &M.x86.R_ESI;
+ DECODE_PRINTF("ESI");
+ return &M.x86.R_ESI;
case 7:
- DECODE_PRINTF("EDI");
- return &M.x86.R_EDI;
+ DECODE_PRINTF("EDI");
+ return &M.x86.R_EDI;
}
HALT_SYS();
- return NULL; /* NOTREACHED OR REACHED ON ERROR */
+ return NULL; /* NOTREACHED OR REACHED ON ERROR */
}
/****************************************************************************
@@ -695,30 +695,30 @@ u16* decode_rm_seg_register(
{
switch (reg) {
case 0:
- DECODE_PRINTF("ES");
- return &M.x86.R_ES;
+ DECODE_PRINTF("ES");
+ return &M.x86.R_ES;
case 1:
- DECODE_PRINTF("CS");
- return &M.x86.R_CS;
+ DECODE_PRINTF("CS");
+ return &M.x86.R_CS;
case 2:
- DECODE_PRINTF("SS");
- return &M.x86.R_SS;
+ DECODE_PRINTF("SS");
+ return &M.x86.R_SS;
case 3:
- DECODE_PRINTF("DS");
- return &M.x86.R_DS;
+ DECODE_PRINTF("DS");
+ return &M.x86.R_DS;
case 4:
- DECODE_PRINTF("FS");
- return &M.x86.R_FS;
+ DECODE_PRINTF("FS");
+ return &M.x86.R_FS;
case 5:
- DECODE_PRINTF("GS");
- return &M.x86.R_GS;
+ DECODE_PRINTF("GS");
+ return &M.x86.R_GS;
case 6:
case 7:
- DECODE_PRINTF("ILLEGAL SEGREG");
- break;
+ DECODE_PRINTF("ILLEGAL SEGREG");
+ break;
}
HALT_SYS();
- return NULL; /* NOT REACHED OR REACHED ON ERROR */
+ return NULL; /* NOT REACHED OR REACHED ON ERROR */
}
/****************************************************************************
@@ -739,38 +739,38 @@ unsigned decode_sib_si(
{
scale = 1 << scale;
if (scale > 1) {
- DECODE_PRINTF2("[%d*", scale);
+ DECODE_PRINTF2("[%d*", scale);
} else {
- DECODE_PRINTF("[");
+ DECODE_PRINTF("[");
}
switch (index) {
case 0:
- DECODE_PRINTF("EAX]");
- return M.x86.R_EAX * index;
+ DECODE_PRINTF("EAX]");
+ return M.x86.R_EAX * index;
case 1:
- DECODE_PRINTF("ECX]");
- return M.x86.R_ECX * index;
+ DECODE_PRINTF("ECX]");
+ return M.x86.R_ECX * index;
case 2:
- DECODE_PRINTF("EDX]");
- return M.x86.R_EDX * index;
+ DECODE_PRINTF("EDX]");
+ return M.x86.R_EDX * index;
case 3:
- DECODE_PRINTF("EBX]");
- return M.x86.R_EBX * index;
+ DECODE_PRINTF("EBX]");
+ return M.x86.R_EBX * index;
case 4:
- DECODE_PRINTF("0]");
- return 0;
+ DECODE_PRINTF("0]");
+ return 0;
case 5:
- DECODE_PRINTF("EBP]");
- return M.x86.R_EBP * index;
+ DECODE_PRINTF("EBP]");
+ return M.x86.R_EBP * index;
case 6:
- DECODE_PRINTF("ESI]");
- return M.x86.R_ESI * index;
+ DECODE_PRINTF("ESI]");
+ return M.x86.R_ESI * index;
case 7:
- DECODE_PRINTF("EDI]");
- return M.x86.R_EDI * index;
+ DECODE_PRINTF("EDI]");
+ return M.x86.R_EDI * index;
}
HALT_SYS();
- return 0; /* NOT REACHED OR REACHED ON ERROR */
+ return 0; /* NOT REACHED OR REACHED ON ERROR */
}
/****************************************************************************
@@ -795,58 +795,58 @@ unsigned decode_sib_address(
switch (base) {
case 0:
- DECODE_PRINTF("[EAX]");
- offset = M.x86.R_EAX;
- break;
+ DECODE_PRINTF("[EAX]");
+ offset = M.x86.R_EAX;
+ break;
case 1:
- DECODE_PRINTF("[ECX]");
- offset = M.x86.R_ECX;
- break;
+ DECODE_PRINTF("[ECX]");
+ offset = M.x86.R_ECX;
+ break;
case 2:
- DECODE_PRINTF("[EDX]");
- offset = M.x86.R_EDX;
- break;
+ DECODE_PRINTF("[EDX]");
+ offset = M.x86.R_EDX;
+ break;
case 3:
- DECODE_PRINTF("[EBX]");
- offset = M.x86.R_EBX;
- break;
+ DECODE_PRINTF("[EBX]");
+ offset = M.x86.R_EBX;
+ break;
case 4:
- DECODE_PRINTF("[ESP]");
- offset = M.x86.R_ESP;
- break;
+ DECODE_PRINTF("[ESP]");
+ offset = M.x86.R_ESP;
+ break;
case 5:
- switch (mod) {
- case 0:
- displacement = (s32)fetch_long_imm();
- DECODE_PRINTF2("[%d]", displacement);
- offset = displacement;
- break;
- case 1:
- displacement = (s8)fetch_byte_imm();
- DECODE_PRINTF2("[%d][EBP]", displacement);
- offset = M.x86.R_EBP + displacement;
- break;
- case 2:
- displacement = (s32)fetch_long_imm();
- DECODE_PRINTF2("[%d][EBP]", displacement);
- offset = M.x86.R_EBP + displacement;
- break;
- default:
- HALT_SYS();
- }
- DECODE_PRINTF("[EAX]");
- offset = M.x86.R_EAX;
- break;
+ switch (mod) {
+ case 0:
+ displacement = (s32)fetch_long_imm();
+ DECODE_PRINTF2("[%d]", displacement);
+ offset = displacement;
+ break;
+ case 1:
+ displacement = (s8)fetch_byte_imm();
+ DECODE_PRINTF2("[%d][EBP]", displacement);
+ offset = M.x86.R_EBP + displacement;
+ break;
+ case 2:
+ displacement = (s32)fetch_long_imm();
+ DECODE_PRINTF2("[%d][EBP]", displacement);
+ offset = M.x86.R_EBP + displacement;
+ break;
+ default:
+ HALT_SYS();
+ }
+ DECODE_PRINTF("[EAX]");
+ offset = M.x86.R_EAX;
+ break;
case 6:
- DECODE_PRINTF("[ESI]");
- offset = M.x86.R_ESI;
- break;
+ DECODE_PRINTF("[ESI]");
+ offset = M.x86.R_ESI;
+ break;
case 7:
- DECODE_PRINTF("[EDI]");
- offset = M.x86.R_EDI;
- break;
+ DECODE_PRINTF("[EDI]");
+ offset = M.x86.R_EDI;
+ break;
default:
- HALT_SYS();
+ HALT_SYS();
}
offset += decode_sib_si(ss, index);
return offset;
@@ -864,14 +864,14 @@ REMARKS:
Return the offset given by mod=00 addressing. Also enables the
decoding of instructions.
-NOTE: The code which specifies the corresponding segment (ds vs ss)
- below in the case of [BP+..]. The assumption here is that at the
- point that this subroutine is called, the bit corresponding to
- SYSMODE_SEG_DS_SS will be zero. After every instruction
- except the segment override instructions, this bit (as well
- as any bits indicating segment overrides) will be clear. So
- if a SS access is needed, set this bit. Otherwise, DS access
- occurs (unless any of the segment override bits are set).
+NOTE: The code which specifies the corresponding segment (ds vs ss)
+ below in the case of [BP+..]. The assumption here is that at the
+ point that this subroutine is called, the bit corresponding to
+ SYSMODE_SEG_DS_SS will be zero. After every instruction
+ except the segment override instructions, this bit (as well
+ as any bits indicating segment overrides) will be clear. So
+ if a SS access is needed, set this bit. Otherwise, DS access
+ occurs (unless any of the segment override bits are set).
****************************************************************************/
unsigned decode_rm00_address(
int rm)
@@ -879,64 +879,64 @@ unsigned decode_rm00_address(
unsigned offset;
if (M.x86.mode & SYSMODE_PREFIX_ADDR) {
- /* 32-bit addressing */
- switch (rm) {
- case 0:
- DECODE_PRINTF("[EAX]");
- return M.x86.R_EAX;
- case 1:
- DECODE_PRINTF("[ECX]");
- return M.x86.R_ECX;
- case 2:
- DECODE_PRINTF("[EDX]");
- return M.x86.R_EDX;
- case 3:
- DECODE_PRINTF("[EBX]");
- return M.x86.R_EBX;
- case 4:
- return decode_sib_address(0);
- case 5:
- offset = fetch_long_imm();
- DECODE_PRINTF2("[%08x]", offset);
- return offset;
- case 6:
- DECODE_PRINTF("[ESI]");
- return M.x86.R_ESI;
- case 7:
- DECODE_PRINTF("[EDI]");
- return M.x86.R_EDI;
- }
+ /* 32-bit addressing */
+ switch (rm) {
+ case 0:
+ DECODE_PRINTF("[EAX]");
+ return M.x86.R_EAX;
+ case 1:
+ DECODE_PRINTF("[ECX]");
+ return M.x86.R_ECX;
+ case 2:
+ DECODE_PRINTF("[EDX]");
+ return M.x86.R_EDX;
+ case 3:
+ DECODE_PRINTF("[EBX]");
+ return M.x86.R_EBX;
+ case 4:
+ return decode_sib_address(0);
+ case 5:
+ offset = fetch_long_imm();
+ DECODE_PRINTF2("[%08x]", offset);
+ return offset;
+ case 6:
+ DECODE_PRINTF("[ESI]");
+ return M.x86.R_ESI;
+ case 7:
+ DECODE_PRINTF("[EDI]");
+ return M.x86.R_EDI;
+ }
} else {
- /* 16-bit addressing */
- switch (rm) {
- case 0:
- DECODE_PRINTF("[BX+SI]");
- return (M.x86.R_BX + M.x86.R_SI) & 0xffff;
- case 1:
- DECODE_PRINTF("[BX+DI]");
- return (M.x86.R_BX + M.x86.R_DI) & 0xffff;
- case 2:
- DECODE_PRINTF("[BP+SI]");
- M.x86.mode |= SYSMODE_SEG_DS_SS;
- return (M.x86.R_BP + M.x86.R_SI) & 0xffff;
- case 3:
- DECODE_PRINTF("[BP+DI]");
- M.x86.mode |= SYSMODE_SEG_DS_SS;
- return (M.x86.R_BP + M.x86.R_DI) & 0xffff;
- case 4:
- DECODE_PRINTF("[SI]");
- return M.x86.R_SI;
- case 5:
- DECODE_PRINTF("[DI]");
- return M.x86.R_DI;
- case 6:
- offset = fetch_word_imm();
- DECODE_PRINTF2("[%04x]", offset);
- return offset;
- case 7:
- DECODE_PRINTF("[BX]");
- return M.x86.R_BX;
- }
+ /* 16-bit addressing */
+ switch (rm) {
+ case 0:
+ DECODE_PRINTF("[BX+SI]");
+ return (M.x86.R_BX + M.x86.R_SI) & 0xffff;
+ case 1:
+ DECODE_PRINTF("[BX+DI]");
+ return (M.x86.R_BX + M.x86.R_DI) & 0xffff;
+ case 2:
+ DECODE_PRINTF("[BP+SI]");
+ M.x86.mode |= SYSMODE_SEG_DS_SS;
+ return (M.x86.R_BP + M.x86.R_SI) & 0xffff;
+ case 3:
+ DECODE_PRINTF("[BP+DI]");
+ M.x86.mode |= SYSMODE_SEG_DS_SS;
+ return (M.x86.R_BP + M.x86.R_DI) & 0xffff;
+ case 4:
+ DECODE_PRINTF("[SI]");
+ return M.x86.R_SI;
+ case 5:
+ DECODE_PRINTF("[DI]");
+ return M.x86.R_DI;
+ case 6:
+ offset = fetch_word_imm();
+ DECODE_PRINTF2("[%04x]", offset);
+ return offset;
+ case 7:
+ DECODE_PRINTF("[BX]");
+ return M.x86.R_BX;
+ }
}
HALT_SYS();
return 0;
@@ -959,76 +959,76 @@ unsigned decode_rm01_address(
int displacement;
if (M.x86.mode & SYSMODE_PREFIX_ADDR) {
- /* 32-bit addressing */
- if (rm != 4)
- displacement = (s8)fetch_byte_imm();
- else
- displacement = 0;
-
- switch (rm) {
- case 0:
- DECODE_PRINTF2("%d[EAX]", displacement);
- return M.x86.R_EAX + displacement;
- case 1:
- DECODE_PRINTF2("%d[ECX]", displacement);
- return M.x86.R_ECX + displacement;
- case 2:
- DECODE_PRINTF2("%d[EDX]", displacement);
- return M.x86.R_EDX + displacement;
- case 3:
- DECODE_PRINTF2("%d[EBX]", displacement);
- return M.x86.R_EBX + displacement;
- case 4: {
- int offset = decode_sib_address(1);
- displacement = (s8)fetch_byte_imm();
- DECODE_PRINTF2("[%d]", displacement);
- return offset + displacement;
- }
- case 5:
- DECODE_PRINTF2("%d[EBP]", displacement);
- return M.x86.R_EBP + displacement;
- case 6:
- DECODE_PRINTF2("%d[ESI]", displacement);
- return M.x86.R_ESI + displacement;
- case 7:
- DECODE_PRINTF2("%d[EDI]", displacement);
- return M.x86.R_EDI + displacement;
- }
+ /* 32-bit addressing */
+ if (rm != 4)
+ displacement = (s8)fetch_byte_imm();
+ else
+ displacement = 0;
+
+ switch (rm) {
+ case 0:
+ DECODE_PRINTF2("%d[EAX]", displacement);
+ return M.x86.R_EAX + displacement;
+ case 1:
+ DECODE_PRINTF2("%d[ECX]", displacement);
+ return M.x86.R_ECX + displacement;
+ case 2:
+ DECODE_PRINTF2("%d[EDX]", displacement);
+ return M.x86.R_EDX + displacement;
+ case 3:
+ DECODE_PRINTF2("%d[EBX]", displacement);
+ return M.x86.R_EBX + displacement;
+ case 4: {
+ int offset = decode_sib_address(1);
+ displacement = (s8)fetch_byte_imm();
+ DECODE_PRINTF2("[%d]", displacement);
+ return offset + displacement;
+ }
+ case 5:
+ DECODE_PRINTF2("%d[EBP]", displacement);
+ return M.x86.R_EBP + displacement;
+ case 6:
+ DECODE_PRINTF2("%d[ESI]", displacement);
+ return M.x86.R_ESI + displacement;
+ case 7:
+ DECODE_PRINTF2("%d[EDI]", displacement);
+ return M.x86.R_EDI + displacement;
+ }
} else {
- /* 16-bit addressing */
- displacement = (s8)fetch_byte_imm();
- switch (rm) {
- case 0:
- DECODE_PRINTF2("%d[BX+SI]", displacement);
- return (M.x86.R_BX + M.x86.R_SI + displacement) & 0xffff;
- case 1:
- DECODE_PRINTF2("%d[BX+DI]", displacement);
- return (M.x86.R_BX + M.x86.R_DI + displacement) & 0xffff;
- case 2:
- DECODE_PRINTF2("%d[BP+SI]", displacement);
- M.x86.mode |= SYSMODE_SEG_DS_SS;
- return (M.x86.R_BP + M.x86.R_SI + displacement) & 0xffff;
- case 3:
- DECODE_PRINTF2("%d[BP+DI]", displacement);
- M.x86.mode |= SYSMODE_SEG_DS_SS;
- return (M.x86.R_BP + M.x86.R_DI + displacement) & 0xffff;
- case 4:
- DECODE_PRINTF2("%d[SI]", displacement);
- return (M.x86.R_SI + displacement) & 0xffff;
- case 5:
- DECODE_PRINTF2("%d[DI]", displacement);
- return (M.x86.R_DI + displacement) & 0xffff;
- case 6:
- DECODE_PRINTF2("%d[BP]", displacement);
- M.x86.mode |= SYSMODE_SEG_DS_SS;
- return (M.x86.R_BP + displacement) & 0xffff;
- case 7:
- DECODE_PRINTF2("%d[BX]", displacement);
- return (M.x86.R_BX + displacement) & 0xffff;
- }
+ /* 16-bit addressing */
+ displacement = (s8)fetch_byte_imm();
+ switch (rm) {
+ case 0:
+ DECODE_PRINTF2("%d[BX+SI]", displacement);
+ return (M.x86.R_BX + M.x86.R_SI + displacement) & 0xffff;
+ case 1:
+ DECODE_PRINTF2("%d[BX+DI]", displacement);
+ return (M.x86.R_BX + M.x86.R_DI + displacement) & 0xffff;
+ case 2:
+ DECODE_PRINTF2("%d[BP+SI]", displacement);
+ M.x86.mode |= SYSMODE_SEG_DS_SS;
+ return (M.x86.R_BP + M.x86.R_SI + displacement) & 0xffff;
+ case 3:
+ DECODE_PRINTF2("%d[BP+DI]", displacement);
+ M.x86.mode |= SYSMODE_SEG_DS_SS;
+ return (M.x86.R_BP + M.x86.R_DI + displacement) & 0xffff;
+ case 4:
+ DECODE_PRINTF2("%d[SI]", displacement);
+ return (M.x86.R_SI + displacement) & 0xffff;
+ case 5:
+ DECODE_PRINTF2("%d[DI]", displacement);
+ return (M.x86.R_DI + displacement) & 0xffff;
+ case 6:
+ DECODE_PRINTF2("%d[BP]", displacement);
+ M.x86.mode |= SYSMODE_SEG_DS_SS;
+ return (M.x86.R_BP + displacement) & 0xffff;
+ case 7:
+ DECODE_PRINTF2("%d[BX]", displacement);
+ return (M.x86.R_BX + displacement) & 0xffff;
+ }
}
HALT_SYS();
- return 0; /* SHOULD NOT HAPPEN */
+ return 0; /* SHOULD NOT HAPPEN */
}
/****************************************************************************
@@ -1046,82 +1046,81 @@ unsigned decode_rm10_address(
int rm)
{
if (M.x86.mode & SYSMODE_PREFIX_ADDR) {
- int displacement;
-
- /* 32-bit addressing */
- if (rm != 4)
- displacement = (s32)fetch_long_imm();
- else
- displacement = 0;
-
- switch (rm) {
- case 0:
- DECODE_PRINTF2("%d[EAX]", displacement);
- return M.x86.R_EAX + displacement;
- case 1:
- DECODE_PRINTF2("%d[ECX]", displacement);
- return M.x86.R_ECX + displacement;
- case 2:
- DECODE_PRINTF2("%d[EDX]", displacement);
- return M.x86.R_EDX + displacement;
- case 3:
- DECODE_PRINTF2("%d[EBX]", displacement);
- return M.x86.R_EBX + displacement;
- case 4: {
- int offset = decode_sib_address(2);
- displacement = (s32)fetch_long_imm();
- DECODE_PRINTF2("[%d]", displacement);
- return offset + displacement;
- }
- case 5:
- DECODE_PRINTF2("%d[EBP]", displacement);
- return M.x86.R_EBP + displacement;
- case 6:
- DECODE_PRINTF2("%d[ESI]", displacement);
- return M.x86.R_ESI + displacement;
- case 7:
- DECODE_PRINTF2("%d[EDI]", displacement);
- return M.x86.R_EDI + displacement;
- }
+ int displacement;
+
+ /* 32-bit addressing */
+ if (rm != 4)
+ displacement = (s32)fetch_long_imm();
+ else
+ displacement = 0;
+
+ switch (rm) {
+ case 0:
+ DECODE_PRINTF2("%d[EAX]", displacement);
+ return M.x86.R_EAX + displacement;
+ case 1:
+ DECODE_PRINTF2("%d[ECX]", displacement);
+ return M.x86.R_ECX + displacement;
+ case 2:
+ DECODE_PRINTF2("%d[EDX]", displacement);
+ return M.x86.R_EDX + displacement;
+ case 3:
+ DECODE_PRINTF2("%d[EBX]", displacement);
+ return M.x86.R_EBX + displacement;
+ case 4: {
+ int offset = decode_sib_address(2);
+ displacement = (s32)fetch_long_imm();
+ DECODE_PRINTF2("[%d]", displacement);
+ return offset + displacement;
+ }
+ case 5:
+ DECODE_PRINTF2("%d[EBP]", displacement);
+ return M.x86.R_EBP + displacement;
+ case 6:
+ DECODE_PRINTF2("%d[ESI]", displacement);
+ return M.x86.R_ESI + displacement;
+ case 7:
+ DECODE_PRINTF2("%d[EDI]", displacement);
+ return M.x86.R_EDI + displacement;
+ }
} else {
- int displacement = (s16)fetch_word_imm();
-
- /* 16-bit addressing */
- switch (rm) {
- case 0:
- DECODE_PRINTF2("%d[BX+SI]", displacement);
- return (M.x86.R_BX + M.x86.R_SI + displacement) & 0xffff;
- case 1:
- DECODE_PRINTF2("%d[BX+DI]", displacement);
- return (M.x86.R_BX + M.x86.R_DI + displacement) & 0xffff;
- case 2:
- DECODE_PRINTF2("%d[BP+SI]", displacement);
- M.x86.mode |= SYSMODE_SEG_DS_SS;
- return (M.x86.R_BP + M.x86.R_SI + displacement) & 0xffff;
- case 3:
- DECODE_PRINTF2("%d[BP+DI]", displacement);
- M.x86.mode |= SYSMODE_SEG_DS_SS;
- return (M.x86.R_BP + M.x86.R_DI + displacement) & 0xffff;
- case 4:
- DECODE_PRINTF2("%d[SI]", displacement);
- return (M.x86.R_SI + displacement) & 0xffff;
- case 5:
- DECODE_PRINTF2("%d[DI]", displacement);
- return (M.x86.R_DI + displacement) & 0xffff;
- case 6:
- DECODE_PRINTF2("%d[BP]", displacement);
- M.x86.mode |= SYSMODE_SEG_DS_SS;
- return (M.x86.R_BP + displacement) & 0xffff;
- case 7:
- DECODE_PRINTF2("%d[BX]", displacement);
- return (M.x86.R_BX + displacement) & 0xffff;
- }
+ int displacement = (s16)fetch_word_imm();
+
+ /* 16-bit addressing */
+ switch (rm) {
+ case 0:
+ DECODE_PRINTF2("%d[BX+SI]", displacement);
+ return (M.x86.R_BX + M.x86.R_SI + displacement) & 0xffff;
+ case 1:
+ DECODE_PRINTF2("%d[BX+DI]", displacement);
+ return (M.x86.R_BX + M.x86.R_DI + displacement) & 0xffff;
+ case 2:
+ DECODE_PRINTF2("%d[BP+SI]", displacement);
+ M.x86.mode |= SYSMODE_SEG_DS_SS;
+ return (M.x86.R_BP + M.x86.R_SI + displacement) & 0xffff;
+ case 3:
+ DECODE_PRINTF2("%d[BP+DI]", displacement);
+ M.x86.mode |= SYSMODE_SEG_DS_SS;
+ return (M.x86.R_BP + M.x86.R_DI + displacement) & 0xffff;
+ case 4:
+ DECODE_PRINTF2("%d[SI]", displacement);
+ return (M.x86.R_SI + displacement) & 0xffff;
+ case 5:
+ DECODE_PRINTF2("%d[DI]", displacement);
+ return (M.x86.R_DI + displacement) & 0xffff;
+ case 6:
+ DECODE_PRINTF2("%d[BP]", displacement);
+ M.x86.mode |= SYSMODE_SEG_DS_SS;
+ return (M.x86.R_BP + displacement) & 0xffff;
+ case 7:
+ DECODE_PRINTF2("%d[BX]", displacement);
+ return (M.x86.R_BX + displacement) & 0xffff;
+ }
}
HALT_SYS();
- return 0; /* SHOULD NOT HAPPEN */
+ return 0; /* SHOULD NOT HAPPEN */
}
-
/****************************************************************************
PARAMETERS:
mod - modifier
@@ -1143,6 +1142,3 @@ unsigned decode_rmXX_address(int mod, int rm)
return decode_rm01_address(rm);
return decode_rm10_address(rm);
}
-
-
-
diff --git a/drivers/bios_emulator/x86emu/ops.c b/drivers/bios_emulator/x86emu/ops.c
index 632979d..d1380ce 100644
--- a/drivers/bios_emulator/x86emu/ops.c
+++ b/drivers/bios_emulator/x86emu/ops.c
@@ -4,9 +4,9 @@
* Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
* Jason Jin <Jason.jin@freescale.com>
*
-* Copyright (C) 1991-2004 SciTech Software, Inc.
-* Copyright (C) David Mosberger-Tang
-* Copyright (C) 1999 Egbert Eich
+* Copyright (C) 1991-2004 SciTech Software, Inc.
+* Copyright (C) David Mosberger-Tang
+* Copyright (C) 1999 Egbert Eich
*
* ========================================================================
*
@@ -16,7 +16,7 @@
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of the authors not be used
* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
+* without specific, written prior permission. The authors makes no
* representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
@@ -32,13 +32,13 @@
*
* Language: ANSI C
* Environment: Any
-* Developer: Kendall Bennett
+* Developer: Kendall Bennett
*
-* Description: This file includes subroutines to implement the decoding
-* and emulation of all the x86 processor instructions.
+* Description: This file includes subroutines to implement the decoding
+* and emulation of all the x86 processor instructions.
*
* There are approximately 250 subroutines in here, which correspond
-* to the 256 byte-"opcodes" found on the 8086. The table which
+* to the 256 byte-"opcodes" found on the 8086. The table which
* dispatches this is found in the files optab.[ch].
*
* Each opcode proc has a comment preceeding it which gives it's table
@@ -48,14 +48,14 @@
* DECODE_PRINTF2), debugging (TRACE_REGS, SINGLE_STEP), and misc
* functions (START_OF_INSTR, END_OF_INSTR).
*
-* Many of the procedures are *VERY* similar in coding. This has
+* Many of the procedures are *VERY* similar in coding. This has
* allowed for a very large amount of code to be generated in a fairly
* short amount of time (i.e. cut, paste, and modify). The result is
* that much of the code below could have been folded into subroutines
* for a large reduction in size of this file. The downside would be
* that there would be a penalty in execution speed. The file could
* also have been *MUCH* larger by inlining certain functions which
-* were called. This could have resulted even faster execution. The
+* were called. This could have resulted even faster execution. The
* prime directive I used to decide whether to inline the code or to
* modularize it, was basically: 1) no unnecessary subroutine calls,
* 2) no routines more than about 200 lines in size, and 3) modularize
@@ -88,38 +88,38 @@ static char *x86emu_GenOpName[8] = {
/* used by several opcodes */
static u8 (*genop_byte_operation[])(u8 d, u8 s) __attribute__ ((section(".got2"))) =
{
- add_byte, /* 00 */
- or_byte, /* 01 */
- adc_byte, /* 02 */
- sbb_byte, /* 03 */
- and_byte, /* 04 */
- sub_byte, /* 05 */
- xor_byte, /* 06 */
- cmp_byte, /* 07 */
+ add_byte, /* 00 */
+ or_byte, /* 01 */
+ adc_byte, /* 02 */
+ sbb_byte, /* 03 */
+ and_byte, /* 04 */
+ sub_byte, /* 05 */
+ xor_byte, /* 06 */
+ cmp_byte, /* 07 */
};
static u16 (*genop_word_operation[])(u16 d, u16 s) __attribute__ ((section(".got2"))) =
{
- add_word, /*00 */
- or_word, /*01 */
- adc_word, /*02 */
- sbb_word, /*03 */
- and_word, /*04 */
- sub_word, /*05 */
- xor_word, /*06 */
- cmp_word, /*07 */
+ add_word, /*00 */
+ or_word, /*01 */
+ adc_word, /*02 */
+ sbb_word, /*03 */
+ and_word, /*04 */
+ sub_word, /*05 */
+ xor_word, /*06 */
+ cmp_word, /*07 */
};
static u32 (*genop_long_operation[])(u32 d, u32 s) __attribute__ ((section(".got2"))) =
{
- add_long, /*00 */
- or_long, /*01 */
- adc_long, /*02 */
- sbb_long, /*03 */
- and_long, /*04 */
- sub_long, /*05 */
- xor_long, /*06 */
- cmp_long, /*07 */
+ add_long, /*00 */
+ or_long, /*01 */
+ adc_long, /*02 */
+ sbb_long, /*03 */
+ and_long, /*04 */
+ sub_long, /*05 */
+ xor_long, /*06 */
+ cmp_long, /*07 */
};
/* used by opcodes 80, c0, d0, and d2. */
@@ -131,7 +131,7 @@ static u8(*opcD0_byte_operation[])(u8 d, u8 s) __attribute__ ((section(".got2"))
rcr_byte,
shl_byte,
shr_byte,
- shl_byte, /* sal_byte === shl_byte by definition */
+ shl_byte, /* sal_byte === shl_byte by definition */
sar_byte,
};
@@ -144,7 +144,7 @@ static u16(*opcD1_word_operation[])(u16 s, u8 d) __attribute__ ((section(".got2"
rcr_word,
shl_word,
shr_word,
- shl_word, /* sal_byte === shl_byte by definition */
+ shl_word, /* sal_byte === shl_byte by definition */
sar_word,
};
@@ -157,7 +157,7 @@ static u32 (*opcD1_long_operation[])(u32 s, u8 d) __attribute__ ((section(".got2
rcr_long,
shl_long,
shr_long,
- shl_long, /* sal_byte === shl_byte by definition */
+ shl_long, /* sal_byte === shl_byte by definition */
sar_long,
};
@@ -180,21 +180,21 @@ void x86emuOp_illegal_op(
{
START_OF_INSTR();
if (M.x86.R_SP != 0) {
- DECODE_PRINTF("ILLEGAL X86 OPCODE\n");
- TRACE_REGS();
- DB( printk("%04x:%04x: %02X ILLEGAL X86 OPCODE!\n",
- M.x86.R_CS, M.x86.R_IP-1,op1));
- HALT_SYS();
- }
+ DECODE_PRINTF("ILLEGAL X86 OPCODE\n");
+ TRACE_REGS();
+ DB( printk("%04x:%04x: %02X ILLEGAL X86 OPCODE!\n",
+ M.x86.R_CS, M.x86.R_IP-1,op1));
+ HALT_SYS();
+ }
else {
- /* If we get here, it means the stack pointer is back to zero
- * so we are just returning from an emulator service call
- * so therte is no need to display an error message. We trap
- * the emulator with an 0xF1 opcode to finish the service
- * call.
- */
- X86EMU_halt_sys();
- }
+ /* If we get here, it means the stack pointer is back to zero
+ * so we are just returning from an emulator service call
+ * so therte is no need to display an error message. We trap
+ * the emulator with an 0xF1 opcode to finish the service
+ * call.
+ */
+ X86EMU_halt_sys();
+ }
END_OF_INSTR();
}
@@ -216,24 +216,24 @@ void x86emuOp_genop_byte_RM_R(u8 op1)
DECODE_PRINTF("\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if(mod<3)
- { destoffset = decode_rmXX_address(mod,rl);
- DECODE_PRINTF(",");
- destval = fetch_data_byte(destoffset);
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = genop_byte_operation[op1](destval, *srcreg);
- store_data_byte(destoffset, destval);
- }
+ { destoffset = decode_rmXX_address(mod,rl);
+ DECODE_PRINTF(",");
+ destval = fetch_data_byte(destoffset);
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = genop_byte_operation[op1](destval, *srcreg);
+ store_data_byte(destoffset, destval);
+ }
else
- { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = genop_byte_operation[op1](*destreg, *srcreg);
- }
+ { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = genop_byte_operation[op1](*destreg, *srcreg);
+ }
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -255,50 +255,50 @@ void x86emuOp_genop_word_RM_R(u8 op1)
FETCH_DECODE_MODRM(mod, rh, rl);
if(mod<3) {
- destoffset = decode_rmXX_address(mod,rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *srcreg;
-
- DECODE_PRINTF(",");
- destval = fetch_data_long(destoffset);
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = genop_long_operation[op1](destval, *srcreg);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *srcreg;
-
- DECODE_PRINTF(",");
- destval = fetch_data_word(destoffset);
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = genop_word_operation[op1](destval, *srcreg);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = genop_long_operation[op1](*destreg, *srcreg);
- } else {
- u16 *destreg,*srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = genop_word_operation[op1](*destreg, *srcreg);
- }
+ destoffset = decode_rmXX_address(mod,rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+ u32 *srcreg;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_long(destoffset);
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = genop_long_operation[op1](destval, *srcreg);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+ u16 *srcreg;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_word(destoffset);
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = genop_word_operation[op1](destval, *srcreg);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = genop_long_operation[op1](*destreg, *srcreg);
+ } else {
+ u16 *destreg,*srcreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = genop_word_operation[op1](*destreg, *srcreg);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -322,15 +322,15 @@ void x86emuOp_genop_byte_R_RM(u8 op1)
DECODE_PRINTF("\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod,rl);
- srcval = fetch_data_byte(srcoffset);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- srcval = *srcreg;
+ destreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod,rl);
+ srcval = fetch_data_byte(srcoffset);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rl);
+ srcval = *srcreg;
}
DECODE_PRINTF("\n");
TRACE_AND_STEP();
@@ -358,40 +358,40 @@ void x86emuOp_genop_word_R_RM(u8 op1)
DECODE_PRINTF("\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod,rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- destreg32 = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_long(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg32 = genop_long_operation[op1](*destreg32, srcval);
- } else {
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_word(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = genop_word_operation[op1](*destreg, srcval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg;
- destreg32 = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg32 = genop_long_operation[op1](*destreg32, *srcreg);
- } else {
- u16 *srcreg;
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = genop_word_operation[op1](*destreg, *srcreg);
- }
+ srcoffset = decode_rmXX_address(mod,rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ destreg32 = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_long(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg32 = genop_long_operation[op1](*destreg32, srcval);
+ } else {
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_word(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = genop_word_operation[op1](*destreg, srcval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg;
+ destreg32 = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg32 = genop_long_operation[op1](*destreg32, *srcreg);
+ } else {
+ u16 *srcreg;
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = genop_word_operation[op1](*destreg, *srcreg);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -430,20 +430,20 @@ void x86emuOp_genop_word_AX_IMM(u8 op1)
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF(x86emu_GenOpName[op1]);
- DECODE_PRINTF("\tEAX,");
- srcval = fetch_long_imm();
+ DECODE_PRINTF(x86emu_GenOpName[op1]);
+ DECODE_PRINTF("\tEAX,");
+ srcval = fetch_long_imm();
} else {
- DECODE_PRINTF(x86emu_GenOpName[op1]);
- DECODE_PRINTF("\tAX,");
- srcval = fetch_word_imm();
+ DECODE_PRINTF(x86emu_GenOpName[op1]);
+ DECODE_PRINTF("\tAX,");
+ srcval = fetch_word_imm();
}
DECODE_PRINTF2("%x\n", srcval);
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EAX = genop_long_operation[op1](M.x86.R_EAX, srcval);
+ M.x86.R_EAX = genop_long_operation[op1](M.x86.R_EAX, srcval);
} else {
- M.x86.R_AX = genop_word_operation[op1](M.x86.R_AX, (u16)srcval);
+ M.x86.R_AX = genop_word_operation[op1](M.x86.R_AX, (u16)srcval);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -683,17 +683,17 @@ void x86emuOp_inc_register(u8 op1)
op1 &= 0x7;
DECODE_PRINTF("INC\t");
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg;
- reg = DECODE_RM_LONG_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = inc_long(*reg);
+ u32 *reg;
+ reg = DECODE_RM_LONG_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = inc_long(*reg);
} else {
- u16 *reg;
- reg = DECODE_RM_WORD_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = inc_word(*reg);
+ u16 *reg;
+ reg = DECODE_RM_WORD_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = inc_word(*reg);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -709,17 +709,17 @@ void x86emuOp_dec_register(u8 op1)
op1 &= 0x7;
DECODE_PRINTF("DEC\t");
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg;
- reg = DECODE_RM_LONG_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = dec_long(*reg);
+ u32 *reg;
+ reg = DECODE_RM_LONG_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = dec_long(*reg);
} else {
- u16 *reg;
- reg = DECODE_RM_WORD_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = dec_word(*reg);
+ u16 *reg;
+ reg = DECODE_RM_WORD_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = dec_word(*reg);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -735,17 +735,17 @@ void x86emuOp_push_register(u8 op1)
op1 &= 0x7;
DECODE_PRINTF("PUSH\t");
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg;
- reg = DECODE_RM_LONG_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- push_long(*reg);
+ u32 *reg;
+ reg = DECODE_RM_LONG_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ push_long(*reg);
} else {
- u16 *reg;
- reg = DECODE_RM_WORD_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- push_word(*reg);
+ u16 *reg;
+ reg = DECODE_RM_WORD_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ push_word(*reg);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -761,17 +761,17 @@ void x86emuOp_pop_register(u8 op1)
op1 &= 0x7;
DECODE_PRINTF("POP\t");
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg;
- reg = DECODE_RM_LONG_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = pop_long();
+ u32 *reg;
+ reg = DECODE_RM_LONG_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = pop_long();
} else {
- u16 *reg;
- reg = DECODE_RM_WORD_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *reg = pop_word();
+ u16 *reg;
+ reg = DECODE_RM_WORD_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *reg = pop_word();
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -785,33 +785,33 @@ void x86emuOp_push_all(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("PUSHAD\n");
+ DECODE_PRINTF("PUSHAD\n");
} else {
- DECODE_PRINTF("PUSHA\n");
+ DECODE_PRINTF("PUSHA\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 old_sp = M.x86.R_ESP;
-
- push_long(M.x86.R_EAX);
- push_long(M.x86.R_ECX);
- push_long(M.x86.R_EDX);
- push_long(M.x86.R_EBX);
- push_long(old_sp);
- push_long(M.x86.R_EBP);
- push_long(M.x86.R_ESI);
- push_long(M.x86.R_EDI);
+ u32 old_sp = M.x86.R_ESP;
+
+ push_long(M.x86.R_EAX);
+ push_long(M.x86.R_ECX);
+ push_long(M.x86.R_EDX);
+ push_long(M.x86.R_EBX);
+ push_long(old_sp);
+ push_long(M.x86.R_EBP);
+ push_long(M.x86.R_ESI);
+ push_long(M.x86.R_EDI);
} else {
- u16 old_sp = M.x86.R_SP;
-
- push_word(M.x86.R_AX);
- push_word(M.x86.R_CX);
- push_word(M.x86.R_DX);
- push_word(M.x86.R_BX);
- push_word(old_sp);
- push_word(M.x86.R_BP);
- push_word(M.x86.R_SI);
- push_word(M.x86.R_DI);
+ u16 old_sp = M.x86.R_SP;
+
+ push_word(M.x86.R_AX);
+ push_word(M.x86.R_CX);
+ push_word(M.x86.R_DX);
+ push_word(M.x86.R_BX);
+ push_word(old_sp);
+ push_word(M.x86.R_BP);
+ push_word(M.x86.R_SI);
+ push_word(M.x86.R_DI);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -825,36 +825,36 @@ void x86emuOp_pop_all(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("POPAD\n");
+ DECODE_PRINTF("POPAD\n");
} else {
- DECODE_PRINTF("POPA\n");
+ DECODE_PRINTF("POPA\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EDI = pop_long();
- M.x86.R_ESI = pop_long();
- M.x86.R_EBP = pop_long();
- M.x86.R_ESP += 4; /* skip ESP */
- M.x86.R_EBX = pop_long();
- M.x86.R_EDX = pop_long();
- M.x86.R_ECX = pop_long();
- M.x86.R_EAX = pop_long();
+ M.x86.R_EDI = pop_long();
+ M.x86.R_ESI = pop_long();
+ M.x86.R_EBP = pop_long();
+ M.x86.R_ESP += 4; /* skip ESP */
+ M.x86.R_EBX = pop_long();
+ M.x86.R_EDX = pop_long();
+ M.x86.R_ECX = pop_long();
+ M.x86.R_EAX = pop_long();
} else {
- M.x86.R_DI = pop_word();
- M.x86.R_SI = pop_word();
- M.x86.R_BP = pop_word();
- M.x86.R_SP += 2; /* skip SP */
- M.x86.R_BX = pop_word();
- M.x86.R_DX = pop_word();
- M.x86.R_CX = pop_word();
- M.x86.R_AX = pop_word();
+ M.x86.R_DI = pop_word();
+ M.x86.R_SI = pop_word();
+ M.x86.R_BP = pop_word();
+ M.x86.R_SP += 2; /* skip SP */
+ M.x86.R_BX = pop_word();
+ M.x86.R_DX = pop_word();
+ M.x86.R_CX = pop_word();
+ M.x86.R_AX = pop_word();
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
-/*opcode 0x62 ILLEGAL OP, calls x86emuOp_illegal_op() */
-/*opcode 0x63 ILLEGAL OP, calls x86emuOp_illegal_op() */
+/*opcode 0x62 ILLEGAL OP, calls x86emuOp_illegal_op() */
+/*opcode 0x63 ILLEGAL OP, calls x86emuOp_illegal_op() */
/****************************************************************************
REMARKS:
@@ -928,16 +928,16 @@ void x86emuOp_push_word_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- imm = fetch_long_imm();
+ imm = fetch_long_imm();
} else {
- imm = fetch_word_imm();
+ imm = fetch_word_imm();
}
DECODE_PRINTF2("PUSH\t%x\n", imm);
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- push_long(imm);
+ push_long(imm);
} else {
- push_word((u16)imm);
+ push_word((u16)imm);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -956,95 +956,95 @@ void x86emuOp_imul_word_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("IMUL\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
- u32 res_lo,res_hi;
- s32 imm;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_long(srcoffset);
- imm = fetch_long_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)srcval,(s32)imm);
- if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
- (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg;
- u16 srcval;
- u32 res;
- s16 imm;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_word(srcoffset);
- imm = fetch_word_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- res = (s16)srcval * (s16)imm;
- if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
- (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
- u32 res_lo,res_hi;
- s32 imm;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- imm = fetch_long_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)*srcreg,(s32)imm);
- if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
- (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg,*srcreg;
- u32 res;
- s16 imm;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- imm = fetch_word_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- res = (s16)*srcreg * (s16)imm;
- if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
- (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
+ srcoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 srcval;
+ u32 res_lo,res_hi;
+ s32 imm;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_long(srcoffset);
+ imm = fetch_long_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ imul_long_direct(&res_lo,&res_hi,(s32)srcval,(s32)imm);
+ if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
+ (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u32)res_lo;
+ } else {
+ u16 *destreg;
+ u16 srcval;
+ u32 res;
+ s16 imm;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_word(srcoffset);
+ imm = fetch_word_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ res = (s16)srcval * (s16)imm;
+ if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
+ (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u16)res;
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+ u32 res_lo,res_hi;
+ s32 imm;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ imm = fetch_long_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ imul_long_direct(&res_lo,&res_hi,(s32)*srcreg,(s32)imm);
+ if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
+ (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u32)res_lo;
+ } else {
+ u16 *destreg,*srcreg;
+ u32 res;
+ s16 imm;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ imm = fetch_word_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ res = (s16)*srcreg * (s16)imm;
+ if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
+ (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u16)res;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1075,98 +1075,98 @@ void x86emuOp_imul_byte_IMM(u8 X86EMU_UNUSED(op1))
{
int mod, rl, rh;
uint srcoffset;
- s8 imm;
+ s8 imm;
START_OF_INSTR();
DECODE_PRINTF("IMUL\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
- u32 res_lo,res_hi;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_long(srcoffset);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)srcval,(s32)imm);
- if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
- (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg;
- u16 srcval;
- u32 res;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcval = fetch_data_word(srcoffset);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- res = (s16)srcval * (s16)imm;
- if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
- (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
- u32 res_lo,res_hi;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)*srcreg,(s32)imm);
- if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
- (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg,*srcreg;
- u32 res;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%d\n", (s32)imm);
- TRACE_AND_STEP();
- res = (s16)*srcreg * (s16)imm;
- if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
- (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- } else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
+ srcoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 srcval;
+ u32 res_lo,res_hi;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_long(srcoffset);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ imul_long_direct(&res_lo,&res_hi,(s32)srcval,(s32)imm);
+ if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
+ (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u32)res_lo;
+ } else {
+ u16 *destreg;
+ u16 srcval;
+ u32 res;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcval = fetch_data_word(srcoffset);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ res = (s16)srcval * (s16)imm;
+ if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
+ (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u16)res;
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+ u32 res_lo,res_hi;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ imul_long_direct(&res_lo,&res_hi,(s32)*srcreg,(s32)imm);
+ if ((((res_lo & 0x80000000) == 0) && (res_hi == 0x00000000)) ||
+ (((res_lo & 0x80000000) != 0) && (res_hi == 0xFFFFFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u32)res_lo;
+ } else {
+ u16 *destreg,*srcreg;
+ u32 res;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%d\n", (s32)imm);
+ TRACE_AND_STEP();
+ res = (s16)*srcreg * (s16)imm;
+ if ((((res & 0x8000) == 0) && ((res >> 16) == 0x0000)) ||
+ (((res & 0x8000) != 0) && ((res >> 16) == 0xFFFF))) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ } else {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ }
+ *destreg = (u16)res;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1194,11 +1194,11 @@ void x86emuOp_ins_word(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("INSD\n");
- ins(4);
+ DECODE_PRINTF("INSD\n");
+ ins(4);
} else {
- DECODE_PRINTF("INSW\n");
- ins(2);
+ DECODE_PRINTF("INSW\n");
+ ins(2);
}
TRACE_AND_STEP();
DECODE_CLEAR_SEGOVR();
@@ -1227,11 +1227,11 @@ void x86emuOp_outs_word(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("OUTSD\n");
- outs(4);
+ DECODE_PRINTF("OUTSD\n");
+ outs(4);
} else {
- DECODE_PRINTF("OUTSW\n");
- outs(2);
+ DECODE_PRINTF("OUTSW\n");
+ outs(2);
}
TRACE_AND_STEP();
DECODE_CLEAR_SEGOVR();
@@ -1258,7 +1258,7 @@ void x86emuOp_jump_near_cond(u8 op1)
DECODE_PRINTF2("%x\n", target);
TRACE_AND_STEP();
if (cond)
- M.x86.R_IP = target;
+ M.x86.R_IP = target;
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -1276,7 +1276,7 @@ void x86emuOp_opc80_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
u8 destval;
/*
- * Weirdo special case instruction format. Part of the opcode
+ * Weirdo special case instruction format. Part of the opcode
* held below in "RH". Doubly nested case would result, except
* that the decoded instruction
*/
@@ -1284,61 +1284,61 @@ void x86emuOp_opc80_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- DECODE_PRINTF("ADD\t");
- break;
- case 1:
- DECODE_PRINTF("OR\t");
- break;
- case 2:
- DECODE_PRINTF("ADC\t");
- break;
- case 3:
- DECODE_PRINTF("SBB\t");
- break;
- case 4:
- DECODE_PRINTF("AND\t");
- break;
- case 5:
- DECODE_PRINTF("SUB\t");
- break;
- case 6:
- DECODE_PRINTF("XOR\t");
- break;
- case 7:
- DECODE_PRINTF("CMP\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ADD\t");
+ break;
+ case 1:
+ DECODE_PRINTF("OR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("ADC\t");
+ break;
+ case 3:
+ DECODE_PRINTF("SBB\t");
+ break;
+ case 4:
+ DECODE_PRINTF("AND\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SUB\t");
+ break;
+ case 6:
+ DECODE_PRINTF("XOR\t");
+ break;
+ case 7:
+ DECODE_PRINTF("CMP\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- destval = fetch_data_byte(destoffset);
- imm = fetch_byte_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_byte_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",");
- imm = fetch_byte_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_byte_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ destval = fetch_data_byte(destoffset);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_byte_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",");
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_byte_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1354,7 +1354,7 @@ void x86emuOp_opc81_word_RM_IMM(u8 X86EMU_UNUSED(op1))
uint destoffset;
/*
- * Weirdo special case instruction format. Part of the opcode
+ * Weirdo special case instruction format. Part of the opcode
* held below in "RH". Doubly nested case would result, except
* that the decoded instruction
*/
@@ -1362,37 +1362,37 @@ void x86emuOp_opc81_word_RM_IMM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- DECODE_PRINTF("ADD\t");
- break;
- case 1:
- DECODE_PRINTF("OR\t");
- break;
- case 2:
- DECODE_PRINTF("ADC\t");
- break;
- case 3:
- DECODE_PRINTF("SBB\t");
- break;
- case 4:
- DECODE_PRINTF("AND\t");
- break;
- case 5:
- DECODE_PRINTF("SUB\t");
- break;
- case 6:
- DECODE_PRINTF("XOR\t");
- break;
- case 7:
- DECODE_PRINTF("CMP\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ADD\t");
+ break;
+ case 1:
+ DECODE_PRINTF("OR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("ADC\t");
+ break;
+ case 3:
+ DECODE_PRINTF("SBB\t");
+ break;
+ case 4:
+ DECODE_PRINTF("AND\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SUB\t");
+ break;
+ case 6:
+ DECODE_PRINTF("XOR\t");
+ break;
+ case 7:
+ DECODE_PRINTF("CMP\t");
+ break;
+ }
}
#endif
/*
@@ -1400,57 +1400,57 @@ void x86emuOp_opc81_word_RM_IMM(u8 X86EMU_UNUSED(op1))
* mode.
*/
if (mod < 3) {
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval,imm;
-
- DECODE_PRINTF(",");
- destval = fetch_data_long(destoffset);
- imm = fetch_long_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_long_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_long(destoffset, destval);
- } else {
- u16 destval,imm;
-
- DECODE_PRINTF(",");
- destval = fetch_data_word(destoffset);
- imm = fetch_word_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_word_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 destval,imm;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- imm = fetch_long_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_long_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
- } else {
- u16 *destreg;
- u16 destval,imm;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- imm = fetch_word_imm();
- DECODE_PRINTF2("%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_word_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
- }
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval,imm;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_long(destoffset);
+ imm = fetch_long_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_long_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval,imm;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_word(destoffset);
+ imm = fetch_word_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_word_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 destval,imm;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ imm = fetch_long_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_long_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
+ } else {
+ u16 *destreg;
+ u16 destval,imm;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ imm = fetch_word_imm();
+ DECODE_PRINTF2("%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_word_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1469,7 +1469,7 @@ void x86emuOp_opc82_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
u8 destval;
/*
- * Weirdo special case instruction format. Part of the opcode
+ * Weirdo special case instruction format. Part of the opcode
* held below in "RH". Doubly nested case would result, except
* that the decoded instruction Similar to opcode 81, except that
* the immediate byte is sign extended to a word length.
@@ -1478,58 +1478,58 @@ void x86emuOp_opc82_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
- switch (rh) {
- case 0:
- DECODE_PRINTF("ADD\t");
- break;
- case 1:
- DECODE_PRINTF("OR\t");
- break;
- case 2:
- DECODE_PRINTF("ADC\t");
- break;
- case 3:
- DECODE_PRINTF("SBB\t");
- break;
- case 4:
- DECODE_PRINTF("AND\t");
- break;
- case 5:
- DECODE_PRINTF("SUB\t");
- break;
- case 6:
- DECODE_PRINTF("XOR\t");
- break;
- case 7:
- DECODE_PRINTF("CMP\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ADD\t");
+ break;
+ case 1:
+ DECODE_PRINTF("OR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("ADC\t");
+ break;
+ case 3:
+ DECODE_PRINTF("SBB\t");
+ break;
+ case 4:
+ DECODE_PRINTF("AND\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SUB\t");
+ break;
+ case 6:
+ DECODE_PRINTF("XOR\t");
+ break;
+ case 7:
+ DECODE_PRINTF("CMP\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- destval = fetch_data_byte(destoffset);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_byte_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_byte_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ destval = fetch_data_byte(destoffset);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_byte_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_byte_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1545,7 +1545,7 @@ void x86emuOp_opc83_word_RM_IMM(u8 X86EMU_UNUSED(op1))
uint destoffset;
/*
- * Weirdo special case instruction format. Part of the opcode
+ * Weirdo special case instruction format. Part of the opcode
* held below in "RH". Doubly nested case would result, except
* that the decoded instruction Similar to opcode 81, except that
* the immediate byte is sign extended to a word length.
@@ -1554,89 +1554,89 @@ void x86emuOp_opc83_word_RM_IMM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
switch (rh) {
- case 0:
- DECODE_PRINTF("ADD\t");
- break;
- case 1:
- DECODE_PRINTF("OR\t");
- break;
- case 2:
- DECODE_PRINTF("ADC\t");
- break;
- case 3:
- DECODE_PRINTF("SBB\t");
- break;
- case 4:
- DECODE_PRINTF("AND\t");
- break;
- case 5:
- DECODE_PRINTF("SUB\t");
- break;
- case 6:
- DECODE_PRINTF("XOR\t");
- break;
- case 7:
- DECODE_PRINTF("CMP\t");
- break;
- }
+ case 0:
+ DECODE_PRINTF("ADD\t");
+ break;
+ case 1:
+ DECODE_PRINTF("OR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("ADC\t");
+ break;
+ case 3:
+ DECODE_PRINTF("SBB\t");
+ break;
+ case 4:
+ DECODE_PRINTF("AND\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SUB\t");
+ break;
+ case 6:
+ DECODE_PRINTF("XOR\t");
+ break;
+ case 7:
+ DECODE_PRINTF("CMP\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod,rl);
-
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval,imm;
-
- destval = fetch_data_long(destoffset);
- imm = (s8) fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_long_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_long(destoffset, destval);
- } else {
- u16 destval,imm;
-
- destval = fetch_data_word(destoffset);
- imm = (s8) fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_word_operation[rh]) (destval, imm);
- if (rh != 7)
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 destval,imm;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- imm = (s8) fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_long_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
- } else {
- u16 *destreg;
- u16 destval,imm;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- imm = (s8) fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- destval = (*genop_word_operation[rh]) (*destreg, imm);
- if (rh != 7)
- *destreg = destval;
- }
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod,rl);
+
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval,imm;
+
+ destval = fetch_data_long(destoffset);
+ imm = (s8) fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_long_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval,imm;
+
+ destval = fetch_data_word(destoffset);
+ imm = (s8) fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_word_operation[rh]) (destval, imm);
+ if (rh != 7)
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 destval,imm;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ imm = (s8) fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_long_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
+ } else {
+ u16 *destreg;
+ u16 destval,imm;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ imm = (s8) fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ destval = (*genop_word_operation[rh]) (*destreg, imm);
+ if (rh != 7)
+ *destreg = destval;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1657,20 +1657,20 @@ void x86emuOp_test_byte_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("TEST\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- destval = fetch_data_byte(destoffset);
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_byte(destval, *srcreg);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_byte(*destreg, *srcreg);
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ destval = fetch_data_byte(destoffset);
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_byte(destval, *srcreg);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_byte(*destreg, *srcreg);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1689,48 +1689,48 @@ void x86emuOp_test_word_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("TEST\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *srcreg;
-
- DECODE_PRINTF(",");
- destval = fetch_data_long(destoffset);
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_long(destval, *srcreg);
- } else {
- u16 destval;
- u16 *srcreg;
-
- DECODE_PRINTF(",");
- destval = fetch_data_word(destoffset);
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_word(destval, *srcreg);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_long(*destreg, *srcreg);
- } else {
- u16 *destreg,*srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- test_word(*destreg, *srcreg);
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+ u32 *srcreg;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_long(destoffset);
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_long(destval, *srcreg);
+ } else {
+ u16 destval;
+ u16 *srcreg;
+
+ DECODE_PRINTF(",");
+ destval = fetch_data_word(destoffset);
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_word(destval, *srcreg);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_long(*destreg, *srcreg);
+ } else {
+ u16 *destreg,*srcreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ test_word(*destreg, *srcreg);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1752,25 +1752,25 @@ void x86emuOp_xchg_byte_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("XCHG\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- destval = fetch_data_byte(destoffset);
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = destval;
- destval = tmp;
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = *destreg;
- *destreg = tmp;
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ destval = fetch_data_byte(destoffset);
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = destval;
+ destval = tmp;
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = *destreg;
+ *destreg = tmp;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1789,59 +1789,59 @@ void x86emuOp_xchg_word_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("XCHG\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg;
- u32 destval,tmp;
-
- destval = fetch_data_long(destoffset);
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = destval;
- destval = tmp;
- store_data_long(destoffset, destval);
- } else {
- u16 *srcreg;
- u16 destval,tmp;
-
- destval = fetch_data_word(destoffset);
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = destval;
- destval = tmp;
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
- u32 tmp;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = *destreg;
- *destreg = tmp;
- } else {
- u16 *destreg,*srcreg;
- u16 tmp;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = *srcreg;
- *srcreg = *destreg;
- *destreg = tmp;
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg;
+ u32 destval,tmp;
+
+ destval = fetch_data_long(destoffset);
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = destval;
+ destval = tmp;
+ store_data_long(destoffset, destval);
+ } else {
+ u16 *srcreg;
+ u16 destval,tmp;
+
+ destval = fetch_data_word(destoffset);
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = destval;
+ destval = tmp;
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+ u32 tmp;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = *destreg;
+ *destreg = tmp;
+ } else {
+ u16 *destreg,*srcreg;
+ u16 tmp;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = *srcreg;
+ *srcreg = *destreg;
+ *destreg = tmp;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1861,19 +1861,19 @@ void x86emuOp_mov_byte_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- store_data_byte(destoffset, *srcreg);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ store_data_byte(destoffset, *srcreg);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1892,44 +1892,44 @@ void x86emuOp_mov_word_RM_R(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg;
-
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- store_data_long(destoffset, *srcreg);
- } else {
- u16 *srcreg;
-
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- store_data_word(destoffset, *srcreg);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- } else {
- u16 *destreg,*srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg;
+
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ store_data_long(destoffset, *srcreg);
+ } else {
+ u16 *srcreg;
+
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ store_data_word(destoffset, *srcreg);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
+ } else {
+ u16 *destreg,*srcreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1950,20 +1950,20 @@ void x86emuOp_mov_byte_R_RM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_byte(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
+ destreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_byte(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1982,49 +1982,49 @@ void x86emuOp_mov_word_R_RM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_long(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_word(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg, *srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- } else {
- u16 *destreg, *srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- }
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 srcval;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_long(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ } else {
+ u16 *destreg;
+ u16 srcval;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_word(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg, *srcreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
+ } else {
+ u16 *destreg, *srcreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2045,20 +2045,20 @@ void x86emuOp_mov_word_RM_SR(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- srcreg = decode_rm_seg_register(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = *srcreg;
- store_data_word(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- srcreg = decode_rm_seg_register(rh);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ srcreg = decode_rm_seg_register(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = *srcreg;
+ store_data_word(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ srcreg = decode_rm_seg_register(rh);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2077,20 +2077,20 @@ void x86emuOp_lea_word_R_M(u8 X86EMU_UNUSED(op1))
/*
* TODO: Need to handle address size prefix!
*
- * lea eax,[eax+ebx*2] ??
+ * lea eax,[eax+ebx*2] ??
*/
START_OF_INSTR();
DECODE_PRINTF("LEA\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *srcreg = (u16)destoffset;
- }
+ srcreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *srcreg = (u16)destoffset;
+ }
/* } else { undefined. Do nothing. } */
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2111,20 +2111,20 @@ void x86emuOp_mov_word_SR_RM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destreg = decode_rm_seg_register(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_word(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else { /* register to register */
- destreg = decode_rm_seg_register(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
+ destreg = decode_rm_seg_register(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_word(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ } else { /* register to register */
+ destreg = decode_rm_seg_register(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
}
/*
* Clean up, and reset all the R_xSP pointers to the correct
@@ -2149,42 +2149,42 @@ void x86emuOp_pop_RM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("POP\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (rh != 0) {
- DECODE_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
- HALT_SYS();
+ DECODE_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
+ HALT_SYS();
}
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = pop_long();
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = pop_word();
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = pop_long();
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = pop_word();
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = pop_long();
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = pop_word();
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = pop_long();
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = pop_word();
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2216,23 +2216,23 @@ void x86emuOp_xchg_word_AX_register(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg32;
- DECODE_PRINTF("XCHG\tEAX,");
- reg32 = DECODE_RM_LONG_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = M.x86.R_EAX;
- M.x86.R_EAX = *reg32;
- *reg32 = tmp;
+ u32 *reg32;
+ DECODE_PRINTF("XCHG\tEAX,");
+ reg32 = DECODE_RM_LONG_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = M.x86.R_EAX;
+ M.x86.R_EAX = *reg32;
+ *reg32 = tmp;
} else {
- u16 *reg16;
- DECODE_PRINTF("XCHG\tAX,");
- reg16 = DECODE_RM_WORD_REGISTER(op1);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- tmp = M.x86.R_AX;
- M.x86.R_EAX = *reg16;
- *reg16 = (u16)tmp;
+ u16 *reg16;
+ DECODE_PRINTF("XCHG\tAX,");
+ reg16 = DECODE_RM_WORD_REGISTER(op1);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ tmp = M.x86.R_AX;
+ M.x86.R_EAX = *reg16;
+ *reg16 = (u16)tmp;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2246,23 +2246,23 @@ void x86emuOp_cbw(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("CWDE\n");
+ DECODE_PRINTF("CWDE\n");
} else {
- DECODE_PRINTF("CBW\n");
+ DECODE_PRINTF("CBW\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- if (M.x86.R_AX & 0x8000) {
- M.x86.R_EAX |= 0xffff0000;
- } else {
- M.x86.R_EAX &= 0x0000ffff;
- }
+ if (M.x86.R_AX & 0x8000) {
+ M.x86.R_EAX |= 0xffff0000;
+ } else {
+ M.x86.R_EAX &= 0x0000ffff;
+ }
} else {
- if (M.x86.R_AL & 0x80) {
- M.x86.R_AH = 0xff;
- } else {
- M.x86.R_AH = 0x0;
- }
+ if (M.x86.R_AL & 0x80) {
+ M.x86.R_AH = 0xff;
+ } else {
+ M.x86.R_AH = 0x0;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2276,24 +2276,24 @@ void x86emuOp_cwd(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("CDQ\n");
+ DECODE_PRINTF("CDQ\n");
} else {
- DECODE_PRINTF("CWD\n");
+ DECODE_PRINTF("CWD\n");
}
DECODE_PRINTF("CWD\n");
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- if (M.x86.R_EAX & 0x80000000) {
- M.x86.R_EDX = 0xffffffff;
- } else {
- M.x86.R_EDX = 0x0;
- }
+ if (M.x86.R_EAX & 0x80000000) {
+ M.x86.R_EDX = 0xffffffff;
+ } else {
+ M.x86.R_EDX = 0x0;
+ }
} else {
- if (M.x86.R_AX & 0x8000) {
- M.x86.R_DX = 0xffff;
- } else {
- M.x86.R_DX = 0x0;
- }
+ if (M.x86.R_AX & 0x8000) {
+ M.x86.R_DX = 0xffff;
+ } else {
+ M.x86.R_DX = 0x0;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2319,7 +2319,7 @@ void x86emuOp_call_far_IMM(u8 X86EMU_UNUSED(op1))
*
* Hooked interrupt vectors calling into our "BIOS" will cause
* problems unless all intersegment stuff is checked for BIOS
- * access. Check needed here. For moment, let it alone.
+ * access. Check needed here. For moment, let it alone.
*/
TRACE_AND_STEP();
push_word(M.x86.R_CS);
@@ -2354,18 +2354,18 @@ void x86emuOp_pushf_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("PUSHFD\n");
+ DECODE_PRINTF("PUSHFD\n");
} else {
- DECODE_PRINTF("PUSHF\n");
+ DECODE_PRINTF("PUSHF\n");
}
TRACE_AND_STEP();
/* clear out *all* bits not representing flags, and turn on real bits */
flags = (M.x86.R_EFLG & F_MSK) | F_ALWAYS_ON;
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- push_long(flags);
+ push_long(flags);
} else {
- push_word((u16)flags);
+ push_word((u16)flags);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2379,15 +2379,15 @@ void x86emuOp_popf_word(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("POPFD\n");
+ DECODE_PRINTF("POPFD\n");
} else {
- DECODE_PRINTF("POPF\n");
+ DECODE_PRINTF("POPF\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EFLG = pop_long();
+ M.x86.R_EFLG = pop_long();
} else {
- M.x86.R_FLG = pop_word();
+ M.x86.R_FLG = pop_word();
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2456,15 +2456,15 @@ void x86emuOp_mov_AX_M_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
offset = fetch_word_imm();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF2("MOV\tEAX,[%04x]\n", offset);
+ DECODE_PRINTF2("MOV\tEAX,[%04x]\n", offset);
} else {
- DECODE_PRINTF2("MOV\tAX,[%04x]\n", offset);
+ DECODE_PRINTF2("MOV\tAX,[%04x]\n", offset);
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EAX = fetch_data_long(offset);
+ M.x86.R_EAX = fetch_data_long(offset);
} else {
- M.x86.R_AX = fetch_data_word(offset);
+ M.x86.R_AX = fetch_data_word(offset);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2499,15 +2499,15 @@ void x86emuOp_mov_M_AX_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
offset = fetch_word_imm();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF2("MOV\t[%04x],EAX\n", offset);
+ DECODE_PRINTF2("MOV\t[%04x],EAX\n", offset);
} else {
- DECODE_PRINTF2("MOV\t[%04x],AX\n", offset);
+ DECODE_PRINTF2("MOV\t[%04x],AX\n", offset);
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- store_data_long(offset, M.x86.R_EAX);
+ store_data_long(offset, M.x86.R_EAX);
} else {
- store_data_word(offset, M.x86.R_AX);
+ store_data_word(offset, M.x86.R_AX);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2519,30 +2519,30 @@ Handles opcode 0xa4
****************************************************************************/
void x86emuOp_movs_byte(u8 X86EMU_UNUSED(op1))
{
- u8 val;
+ u8 val;
u32 count;
int inc;
START_OF_INSTR();
DECODE_PRINTF("MOVS\tBYTE\n");
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -1;
+ inc = -1;
else
- inc = 1;
+ inc = 1;
TRACE_AND_STEP();
count = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- count = M.x86.R_CX;
- M.x86.R_CX = 0;
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ count = M.x86.R_CX;
+ M.x86.R_CX = 0;
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
}
while (count--) {
- val = fetch_data_byte(M.x86.R_SI);
- store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, val);
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
+ val = fetch_data_byte(M.x86.R_SI);
+ store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, val);
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2560,37 +2560,37 @@ void x86emuOp_movs_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("MOVS\tDWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -4;
- else
- inc = 4;
+ DECODE_PRINTF("MOVS\tDWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -4;
+ else
+ inc = 4;
} else {
- DECODE_PRINTF("MOVS\tWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -2;
- else
- inc = 2;
+ DECODE_PRINTF("MOVS\tWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -2;
+ else
+ inc = 2;
}
TRACE_AND_STEP();
count = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- count = M.x86.R_CX;
- M.x86.R_CX = 0;
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ count = M.x86.R_CX;
+ M.x86.R_CX = 0;
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
}
while (count--) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val = fetch_data_long(M.x86.R_SI);
- store_data_long_abs(M.x86.R_ES, M.x86.R_DI, val);
- } else {
- val = fetch_data_word(M.x86.R_SI);
- store_data_word_abs(M.x86.R_ES, M.x86.R_DI, (u16)val);
- }
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val = fetch_data_long(M.x86.R_SI);
+ store_data_long_abs(M.x86.R_ES, M.x86.R_DI, val);
+ } else {
+ val = fetch_data_word(M.x86.R_SI);
+ store_data_word_abs(M.x86.R_ES, M.x86.R_DI, (u16)val);
+ }
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2609,30 +2609,30 @@ void x86emuOp_cmps_byte(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("CMPS\tBYTE\n");
TRACE_AND_STEP();
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -1;
+ inc = -1;
else
- inc = 1;
+ inc = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* REPE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- val1 = fetch_data_byte(M.x86.R_SI);
- val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_byte(val1, val2);
- M.x86.R_CX -= 1;
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
- if ( (M.x86.mode & SYSMODE_PREFIX_REPE) && (ACCESS_FLAG(F_ZF) == 0) ) break;
- if ( (M.x86.mode & SYSMODE_PREFIX_REPNE) && ACCESS_FLAG(F_ZF) ) break;
- }
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* REPE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ val1 = fetch_data_byte(M.x86.R_SI);
+ val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_byte(val1, val2);
+ M.x86.R_CX -= 1;
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
+ if ( (M.x86.mode & SYSMODE_PREFIX_REPE) && (ACCESS_FLAG(F_ZF) == 0) ) break;
+ if ( (M.x86.mode & SYSMODE_PREFIX_REPNE) && ACCESS_FLAG(F_ZF) ) break;
+ }
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
} else {
- val1 = fetch_data_byte(M.x86.R_SI);
- val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_byte(val1, val2);
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
+ val1 = fetch_data_byte(M.x86.R_SI);
+ val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_byte(val1, val2);
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2649,48 +2649,48 @@ void x86emuOp_cmps_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("CMPS\tDWORD\n");
- inc = 4;
+ DECODE_PRINTF("CMPS\tDWORD\n");
+ inc = 4;
} else {
- DECODE_PRINTF("CMPS\tWORD\n");
- inc = 2;
+ DECODE_PRINTF("CMPS\tWORD\n");
+ inc = 2;
}
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -inc;
+ inc = -inc;
TRACE_AND_STEP();
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* REPE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val1 = fetch_data_long(M.x86.R_SI);
- val2 = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_long(val1, val2);
- } else {
- val1 = fetch_data_word(M.x86.R_SI);
- val2 = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_word((u16)val1, (u16)val2);
- }
- M.x86.R_CX -= 1;
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
- if ( (M.x86.mode & SYSMODE_PREFIX_REPE) && ACCESS_FLAG(F_ZF) == 0 ) break;
- if ( (M.x86.mode & SYSMODE_PREFIX_REPNE) && ACCESS_FLAG(F_ZF) ) break;
- }
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* REPE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val1 = fetch_data_long(M.x86.R_SI);
+ val2 = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_long(val1, val2);
+ } else {
+ val1 = fetch_data_word(M.x86.R_SI);
+ val2 = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_word((u16)val1, (u16)val2);
+ }
+ M.x86.R_CX -= 1;
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
+ if ( (M.x86.mode & SYSMODE_PREFIX_REPE) && ACCESS_FLAG(F_ZF) == 0 ) break;
+ if ( (M.x86.mode & SYSMODE_PREFIX_REPNE) && ACCESS_FLAG(F_ZF) ) break;
+ }
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
} else {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val1 = fetch_data_long(M.x86.R_SI);
- val2 = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_long(val1, val2);
- } else {
- val1 = fetch_data_word(M.x86.R_SI);
- val2 = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_word((u16)val1, (u16)val2);
- }
- M.x86.R_SI += inc;
- M.x86.R_DI += inc;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val1 = fetch_data_long(M.x86.R_SI);
+ val2 = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_long(val1, val2);
+ } else {
+ val1 = fetch_data_word(M.x86.R_SI);
+ val2 = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_word((u16)val1, (u16)val2);
+ }
+ M.x86.R_SI += inc;
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2724,18 +2724,18 @@ void x86emuOp_test_AX_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("TEST\tEAX,");
- srcval = fetch_long_imm();
+ DECODE_PRINTF("TEST\tEAX,");
+ srcval = fetch_long_imm();
} else {
- DECODE_PRINTF("TEST\tAX,");
- srcval = fetch_word_imm();
+ DECODE_PRINTF("TEST\tAX,");
+ srcval = fetch_word_imm();
}
DECODE_PRINTF2("%x\n", srcval);
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- test_long(M.x86.R_EAX, srcval);
+ test_long(M.x86.R_EAX, srcval);
} else {
- test_word(M.x86.R_AX, (u16)srcval);
+ test_word(M.x86.R_AX, (u16)srcval);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2752,22 +2752,22 @@ void x86emuOp_stos_byte(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
DECODE_PRINTF("STOS\tBYTE\n");
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -1;
+ inc = -1;
else
- inc = 1;
+ inc = 1;
TRACE_AND_STEP();
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AL);
- M.x86.R_CX -= 1;
- M.x86.R_DI += inc;
- }
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AL);
+ M.x86.R_CX -= 1;
+ M.x86.R_DI += inc;
+ }
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
} else {
- store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AL);
- M.x86.R_DI += inc;
+ store_data_byte_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AL);
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2784,34 +2784,34 @@ void x86emuOp_stos_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("STOS\tDWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -4;
- else
- inc = 4;
+ DECODE_PRINTF("STOS\tDWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -4;
+ else
+ inc = 4;
} else {
- DECODE_PRINTF("STOS\tWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -2;
- else
- inc = 2;
+ DECODE_PRINTF("STOS\tWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -2;
+ else
+ inc = 2;
}
TRACE_AND_STEP();
count = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- count = M.x86.R_CX;
- M.x86.R_CX = 0;
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ count = M.x86.R_CX;
+ M.x86.R_CX = 0;
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
}
while (count--) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- store_data_long_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_EAX);
- } else {
- store_data_word_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AX);
- }
- M.x86.R_DI += inc;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ store_data_long_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_EAX);
+ } else {
+ store_data_word_abs(M.x86.R_ES, M.x86.R_DI, M.x86.R_AX);
+ }
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2829,21 +2829,21 @@ void x86emuOp_lods_byte(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("LODS\tBYTE\n");
TRACE_AND_STEP();
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -1;
+ inc = -1;
else
- inc = 1;
+ inc = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- M.x86.R_AL = fetch_data_byte(M.x86.R_SI);
- M.x86.R_CX -= 1;
- M.x86.R_SI += inc;
- }
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ M.x86.R_AL = fetch_data_byte(M.x86.R_SI);
+ M.x86.R_CX -= 1;
+ M.x86.R_SI += inc;
+ }
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
} else {
- M.x86.R_AL = fetch_data_byte(M.x86.R_SI);
- M.x86.R_SI += inc;
+ M.x86.R_AL = fetch_data_byte(M.x86.R_SI);
+ M.x86.R_SI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2860,34 +2860,34 @@ void x86emuOp_lods_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("LODS\tDWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -4;
- else
- inc = 4;
+ DECODE_PRINTF("LODS\tDWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -4;
+ else
+ inc = 4;
} else {
- DECODE_PRINTF("LODS\tWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -2;
- else
- inc = 2;
+ DECODE_PRINTF("LODS\tWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -2;
+ else
+ inc = 2;
}
TRACE_AND_STEP();
count = 1;
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* move them until CX is ZERO. */
- count = M.x86.R_CX;
- M.x86.R_CX = 0;
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* move them until CX is ZERO. */
+ count = M.x86.R_CX;
+ M.x86.R_CX = 0;
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
}
while (count--) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EAX = fetch_data_long(M.x86.R_SI);
- } else {
- M.x86.R_AX = fetch_data_word(M.x86.R_SI);
- }
- M.x86.R_SI += inc;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ M.x86.R_EAX = fetch_data_long(M.x86.R_SI);
+ } else {
+ M.x86.R_AX = fetch_data_word(M.x86.R_SI);
+ }
+ M.x86.R_SI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2906,37 +2906,37 @@ void x86emuOp_scas_byte(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("SCAS\tBYTE\n");
TRACE_AND_STEP();
if (ACCESS_FLAG(F_DF)) /* down */
- inc = -1;
+ inc = -1;
else
- inc = 1;
+ inc = 1;
if (M.x86.mode & SYSMODE_PREFIX_REPE) {
- /* REPE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_byte(M.x86.R_AL, val2);
- M.x86.R_CX -= 1;
- M.x86.R_DI += inc;
- if (ACCESS_FLAG(F_ZF) == 0)
- break;
- }
- M.x86.mode &= ~SYSMODE_PREFIX_REPE;
+ /* REPE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_byte(M.x86.R_AL, val2);
+ M.x86.R_CX -= 1;
+ M.x86.R_DI += inc;
+ if (ACCESS_FLAG(F_ZF) == 0)
+ break;
+ }
+ M.x86.mode &= ~SYSMODE_PREFIX_REPE;
} else if (M.x86.mode & SYSMODE_PREFIX_REPNE) {
- /* REPNE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_byte(M.x86.R_AL, val2);
- M.x86.R_CX -= 1;
- M.x86.R_DI += inc;
- if (ACCESS_FLAG(F_ZF))
- break; /* zero flag set means equal */
- }
- M.x86.mode &= ~SYSMODE_PREFIX_REPNE;
+ /* REPNE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_byte(M.x86.R_AL, val2);
+ M.x86.R_CX -= 1;
+ M.x86.R_DI += inc;
+ if (ACCESS_FLAG(F_ZF))
+ break; /* zero flag set means equal */
+ }
+ M.x86.mode &= ~SYSMODE_PREFIX_REPNE;
} else {
- val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_byte(M.x86.R_AL, val2);
- M.x86.R_DI += inc;
+ val2 = fetch_data_byte_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_byte(M.x86.R_AL, val2);
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -2953,62 +2953,62 @@ void x86emuOp_scas_word(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("SCAS\tDWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -4;
- else
- inc = 4;
+ DECODE_PRINTF("SCAS\tDWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -4;
+ else
+ inc = 4;
} else {
- DECODE_PRINTF("SCAS\tWORD\n");
- if (ACCESS_FLAG(F_DF)) /* down */
- inc = -2;
- else
- inc = 2;
+ DECODE_PRINTF("SCAS\tWORD\n");
+ if (ACCESS_FLAG(F_DF)) /* down */
+ inc = -2;
+ else
+ inc = 2;
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_REPE) {
- /* REPE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_long(M.x86.R_EAX, val);
- } else {
- val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_word(M.x86.R_AX, (u16)val);
- }
- M.x86.R_CX -= 1;
- M.x86.R_DI += inc;
- if (ACCESS_FLAG(F_ZF) == 0)
- break;
- }
- M.x86.mode &= ~SYSMODE_PREFIX_REPE;
+ /* REPE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_long(M.x86.R_EAX, val);
+ } else {
+ val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_word(M.x86.R_AX, (u16)val);
+ }
+ M.x86.R_CX -= 1;
+ M.x86.R_DI += inc;
+ if (ACCESS_FLAG(F_ZF) == 0)
+ break;
+ }
+ M.x86.mode &= ~SYSMODE_PREFIX_REPE;
} else if (M.x86.mode & SYSMODE_PREFIX_REPNE) {
- /* REPNE */
- /* move them until CX is ZERO. */
- while (M.x86.R_CX != 0) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_long(M.x86.R_EAX, val);
- } else {
- val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_word(M.x86.R_AX, (u16)val);
- }
- M.x86.R_CX -= 1;
- M.x86.R_DI += inc;
- if (ACCESS_FLAG(F_ZF))
- break; /* zero flag set means equal */
- }
- M.x86.mode &= ~SYSMODE_PREFIX_REPNE;
+ /* REPNE */
+ /* move them until CX is ZERO. */
+ while (M.x86.R_CX != 0) {
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_long(M.x86.R_EAX, val);
+ } else {
+ val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_word(M.x86.R_AX, (u16)val);
+ }
+ M.x86.R_CX -= 1;
+ M.x86.R_DI += inc;
+ if (ACCESS_FLAG(F_ZF))
+ break; /* zero flag set means equal */
+ }
+ M.x86.mode &= ~SYSMODE_PREFIX_REPNE;
} else {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_long(M.x86.R_EAX, val);
- } else {
- val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
- cmp_word(M.x86.R_AX, (u16)val);
- }
- M.x86.R_DI += inc;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ val = fetch_data_long_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_long(M.x86.R_EAX, val);
+ } else {
+ val = fetch_data_word_abs(M.x86.R_ES, M.x86.R_DI);
+ cmp_word(M.x86.R_AX, (u16)val);
+ }
+ M.x86.R_DI += inc;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3047,19 +3047,19 @@ void x86emuOp_mov_word_register_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
DECODE_PRINTF("MOV\t");
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *reg32;
- reg32 = DECODE_RM_LONG_REGISTER(op1);
- srcval = fetch_long_imm();
- DECODE_PRINTF2(",%x\n", srcval);
- TRACE_AND_STEP();
- *reg32 = srcval;
+ u32 *reg32;
+ reg32 = DECODE_RM_LONG_REGISTER(op1);
+ srcval = fetch_long_imm();
+ DECODE_PRINTF2(",%x\n", srcval);
+ TRACE_AND_STEP();
+ *reg32 = srcval;
} else {
- u16 *reg16;
- reg16 = DECODE_RM_WORD_REGISTER(op1);
- srcval = fetch_word_imm();
- DECODE_PRINTF2(",%x\n", srcval);
- TRACE_AND_STEP();
- *reg16 = (u16)srcval;
+ u16 *reg16;
+ reg16 = DECODE_RM_WORD_REGISTER(op1);
+ srcval = fetch_word_imm();
+ DECODE_PRINTF2(",%x\n", srcval);
+ TRACE_AND_STEP();
+ *reg16 = (u16)srcval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3086,57 +3086,57 @@ void x86emuOp_opcC0_byte_RM_MEM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- destval = fetch_data_byte(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (destval, amt);
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (*destreg, amt);
- *destreg = destval;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ destval = fetch_data_byte(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (destval, amt);
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (*destreg, amt);
+ *destreg = destval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3161,83 +3161,83 @@ void x86emuOp_opcC1_word_RM_MEM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_long_operation[rh]) (destval, amt);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- DECODE_PRINTF("WORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_word_operation[rh]) (destval, amt);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- TRACE_AND_STEP();
- *destreg = (*opcD1_long_operation[rh]) (*destreg, amt);
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- amt = fetch_byte_imm();
- DECODE_PRINTF2(",%x\n", amt);
- TRACE_AND_STEP();
- *destreg = (*opcD1_word_operation[rh]) (*destreg, amt);
- }
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_long_operation[rh]) (destval, amt);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ DECODE_PRINTF("WORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_word_operation[rh]) (destval, amt);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ TRACE_AND_STEP();
+ *destreg = (*opcD1_long_operation[rh]) (*destreg, amt);
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ amt = fetch_byte_imm();
+ DECODE_PRINTF2(",%x\n", amt);
+ TRACE_AND_STEP();
+ *destreg = (*opcD1_word_operation[rh]) (*destreg, amt);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3292,15 +3292,15 @@ void x86emuOp_les_R_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("LES\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_ES = fetch_data_word(srcoffset + 2);
+ dstreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *dstreg = fetch_data_word(srcoffset);
+ M.x86.R_ES = fetch_data_word(srcoffset + 2);
}
- /* else UNDEFINED! register to register */
+ /* else UNDEFINED! register to register */
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3320,13 +3320,13 @@ void x86emuOp_lds_R_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("LDS\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_DS = fetch_data_word(srcoffset + 2);
+ dstreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *dstreg = fetch_data_word(srcoffset);
+ M.x86.R_DS = fetch_data_word(srcoffset + 2);
}
/* else UNDEFINED! */
DECODE_CLEAR_SEGOVR();
@@ -3348,22 +3348,22 @@ void x86emuOp_mov_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (rh != 0) {
- DECODE_PRINTF("ILLEGAL DECODE OF OPCODE c6\n");
- HALT_SYS();
+ DECODE_PRINTF("ILLEGAL DECODE OF OPCODE c6\n");
+ HALT_SYS();
}
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%2x\n", imm);
- TRACE_AND_STEP();
- store_data_byte(destoffset, imm);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- imm = fetch_byte_imm();
- DECODE_PRINTF2(",%2x\n", imm);
- TRACE_AND_STEP();
- *destreg = imm;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%2x\n", imm);
+ TRACE_AND_STEP();
+ store_data_byte(destoffset, imm);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ imm = fetch_byte_imm();
+ DECODE_PRINTF2(",%2x\n", imm);
+ TRACE_AND_STEP();
+ *destreg = imm;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3382,49 +3382,49 @@ void x86emuOp_mov_word_RM_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("MOV\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (rh != 0) {
- DECODE_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
- HALT_SYS();
+ DECODE_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
+ HALT_SYS();
}
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 imm;
-
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- imm = fetch_long_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- store_data_long(destoffset, imm);
- } else {
- u16 imm;
-
- DECODE_PRINTF("WORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- imm = fetch_word_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- store_data_word(destoffset, imm);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 imm;
+
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ imm = fetch_long_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ store_data_long(destoffset, imm);
+ } else {
+ u16 imm;
+
+ DECODE_PRINTF("WORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ imm = fetch_word_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ store_data_word(destoffset, imm);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
u32 *destreg;
u32 imm;
- destreg = DECODE_RM_LONG_REGISTER(rl);
- imm = fetch_long_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- *destreg = imm;
- } else {
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ imm = fetch_long_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ *destreg = imm;
+ } else {
u16 *destreg;
u16 imm;
- destreg = DECODE_RM_WORD_REGISTER(rl);
- imm = fetch_word_imm();
- DECODE_PRINTF2(",%x\n", imm);
- TRACE_AND_STEP();
- *destreg = imm;
- }
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ imm = fetch_word_imm();
+ DECODE_PRINTF2(",%x\n", imm);
+ TRACE_AND_STEP();
+ *destreg = imm;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3437,7 +3437,7 @@ Handles opcode 0xc8
void x86emuOp_enter(u8 X86EMU_UNUSED(op1))
{
u16 local,frame_pointer;
- u8 nesting;
+ u8 nesting;
int i;
START_OF_INSTR();
@@ -3449,12 +3449,12 @@ void x86emuOp_enter(u8 X86EMU_UNUSED(op1))
push_word(M.x86.R_BP);
frame_pointer = M.x86.R_SP;
if (nesting > 0) {
- for (i = 1; i < nesting; i++) {
- M.x86.R_BP -= 2;
- push_word(fetch_data_word_abs(M.x86.R_SS, M.x86.R_BP));
- }
- push_word(frame_pointer);
- }
+ for (i = 1; i < nesting; i++) {
+ M.x86.R_BP -= 2;
+ push_word(fetch_data_word_abs(M.x86.R_SS, M.x86.R_BP));
+ }
+ push_word(frame_pointer);
+ }
M.x86.R_BP = frame_pointer;
M.x86.R_SP = (u16)(M.x86.R_SP - local);
DECODE_CLEAR_SEGOVR();
@@ -3529,13 +3529,13 @@ void x86emuOp_int3(u8 X86EMU_UNUSED(op1))
if (_X86EMU_intrTab[3]) {
(*_X86EMU_intrTab[3])(3);
} else {
- push_word((u16)M.x86.R_FLG);
- CLEAR_FLAG(F_IF);
- CLEAR_FLAG(F_TF);
- push_word(M.x86.R_CS);
- M.x86.R_CS = mem_access_word(3 * 4 + 2);
- push_word(M.x86.R_IP);
- M.x86.R_IP = mem_access_word(3 * 4);
+ push_word((u16)M.x86.R_FLG);
+ CLEAR_FLAG(F_IF);
+ CLEAR_FLAG(F_TF);
+ push_word(M.x86.R_CS);
+ M.x86.R_CS = mem_access_word(3 * 4 + 2);
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = mem_access_word(3 * 4);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3559,13 +3559,13 @@ void x86emuOp_int_IMM(u8 X86EMU_UNUSED(op1))
if (_X86EMU_intrTab[intnum]) {
(*_X86EMU_intrTab[intnum])(intnum);
} else {
- push_word((u16)M.x86.R_FLG);
- CLEAR_FLAG(F_IF);
- CLEAR_FLAG(F_TF);
- push_word(M.x86.R_CS);
- M.x86.R_CS = mem_access_word(intnum * 4 + 2);
- push_word(M.x86.R_IP);
- M.x86.R_IP = mem_access_word(intnum * 4);
+ push_word((u16)M.x86.R_FLG);
+ CLEAR_FLAG(F_IF);
+ CLEAR_FLAG(F_TF);
+ push_word(M.x86.R_CS);
+ M.x86.R_CS = mem_access_word(intnum * 4 + 2);
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = mem_access_word(intnum * 4);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3583,18 +3583,18 @@ void x86emuOp_into(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("INTO\n");
TRACE_AND_STEP();
if (ACCESS_FLAG(F_OF)) {
- tmp = mem_access_word(4 * 4 + 2);
+ tmp = mem_access_word(4 * 4 + 2);
if (_X86EMU_intrTab[4]) {
(*_X86EMU_intrTab[4])(4);
- } else {
- push_word((u16)M.x86.R_FLG);
- CLEAR_FLAG(F_IF);
- CLEAR_FLAG(F_TF);
- push_word(M.x86.R_CS);
- M.x86.R_CS = mem_access_word(4 * 4 + 2);
- push_word(M.x86.R_IP);
- M.x86.R_IP = mem_access_word(4 * 4);
- }
+ } else {
+ push_word((u16)M.x86.R_FLG);
+ CLEAR_FLAG(F_IF);
+ CLEAR_FLAG(F_TF);
+ push_word(M.x86.R_CS);
+ M.x86.R_CS = mem_access_word(4 * 4 + 2);
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = mem_access_word(4 * 4);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3638,54 +3638,54 @@ void x86emuOp_opcD0_byte_RM_1(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",1\n");
- destval = fetch_data_byte(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (destval, 1);
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",1\n");
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (*destreg, 1);
- *destreg = destval;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",1\n");
+ destval = fetch_data_byte(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (destval, 1);
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",1\n");
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (*destreg, 1);
+ *destreg = destval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3709,82 +3709,82 @@ void x86emuOp_opcD1_word_RM_1(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",1\n");
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_long_operation[rh]) (destval, 1);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- DECODE_PRINTF("WORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",1\n");
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_word_operation[rh]) (destval, 1);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",1\n");
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_long_operation[rh]) (destval, 1);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ DECODE_PRINTF("WORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",1\n");
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_word_operation[rh]) (destval, 1);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
u32 destval;
u32 *destreg;
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",1\n");
- TRACE_AND_STEP();
- destval = (*opcD1_long_operation[rh]) (*destreg, 1);
- *destreg = destval;
- } else {
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",1\n");
+ TRACE_AND_STEP();
+ destval = (*opcD1_long_operation[rh]) (*destreg, 1);
+ *destreg = destval;
+ } else {
u16 destval;
u16 *destreg;
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",1\n");
- TRACE_AND_STEP();
- destval = (*opcD1_word_operation[rh]) (*destreg, 1);
- *destreg = destval;
- }
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",1\n");
+ TRACE_AND_STEP();
+ destval = (*opcD1_word_operation[rh]) (*destreg, 1);
+ *destreg = destval;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3811,55 +3811,55 @@ void x86emuOp_opcD2_byte_RM_CL(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
amt = M.x86.R_CL;
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",CL\n");
- destval = fetch_data_byte(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (destval, amt);
- store_data_byte(destoffset, destval);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = (*opcD0_byte_operation[rh]) (*destreg, amt);
- *destreg = destval;
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",CL\n");
+ destval = fetch_data_byte(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (destval, amt);
+ store_data_byte(destoffset, destval);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ destval = (*opcD0_byte_operation[rh]) (*destreg, amt);
+ *destreg = destval;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3884,79 +3884,79 @@ void x86emuOp_opcD3_word_RM_CL(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
- switch (rh) {
- case 0:
- DECODE_PRINTF("ROL\t");
- break;
- case 1:
- DECODE_PRINTF("ROR\t");
- break;
- case 2:
- DECODE_PRINTF("RCL\t");
- break;
- case 3:
- DECODE_PRINTF("RCR\t");
- break;
- case 4:
- DECODE_PRINTF("SHL\t");
- break;
- case 5:
- DECODE_PRINTF("SHR\t");
- break;
- case 6:
- DECODE_PRINTF("SAL\t");
- break;
- case 7:
- DECODE_PRINTF("SAR\t");
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("ROL\t");
+ break;
+ case 1:
+ DECODE_PRINTF("ROR\t");
+ break;
+ case 2:
+ DECODE_PRINTF("RCL\t");
+ break;
+ case 3:
+ DECODE_PRINTF("RCR\t");
+ break;
+ case 4:
+ DECODE_PRINTF("SHL\t");
+ break;
+ case 5:
+ DECODE_PRINTF("SHR\t");
+ break;
+ case 6:
+ DECODE_PRINTF("SAL\t");
+ break;
+ case 7:
+ DECODE_PRINTF("SAR\t");
+ break;
+ }
}
#endif
/* know operation, decode the mod byte to find the addressing
mode. */
amt = M.x86.R_CL;
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",CL\n");
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_long_operation[rh]) (destval, amt);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- DECODE_PRINTF("WORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",CL\n");
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- destval = (*opcD1_word_operation[rh]) (destval, amt);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = (*opcD1_long_operation[rh]) (*destreg, amt);
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = (*opcD1_word_operation[rh]) (*destreg, amt);
- }
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",CL\n");
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_long_operation[rh]) (destval, amt);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ DECODE_PRINTF("WORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",CL\n");
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ destval = (*opcD1_word_operation[rh]) (destval, amt);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ *destreg = (*opcD1_long_operation[rh]) (*destreg, amt);
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ *destreg = (*opcD1_word_operation[rh]) (*destreg, amt);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -3974,9 +3974,9 @@ void x86emuOp_aam(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("AAM\n");
a = fetch_byte_imm(); /* this is a stupid encoding. */
if (a != 10) {
- DECODE_PRINTF("ERROR DECODING AAM\n");
- TRACE_REGS();
- HALT_SYS();
+ DECODE_PRINTF("ERROR DECODING AAM\n");
+ TRACE_REGS();
+ HALT_SYS();
}
TRACE_AND_STEP();
/* note the type change here --- returning AL and AH in AX. */
@@ -4021,7 +4021,7 @@ void x86emuOp_xlat(u8 X86EMU_UNUSED(op1))
END_OF_INSTR();
}
-/* instuctions D8 .. DF are in i87_ops.c */
+/* instuctions D8 .. DF are in i87_ops.c */
/****************************************************************************
REMARKS:
@@ -4038,8 +4038,8 @@ void x86emuOp_loopne(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF2("%04x\n", ip);
TRACE_AND_STEP();
M.x86.R_CX -= 1;
- if (M.x86.R_CX != 0 && !ACCESS_FLAG(F_ZF)) /* CX != 0 and !ZF */
- M.x86.R_IP = ip;
+ if (M.x86.R_CX != 0 && !ACCESS_FLAG(F_ZF)) /* CX != 0 and !ZF */
+ M.x86.R_IP = ip;
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -4059,8 +4059,8 @@ void x86emuOp_loope(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF2("%04x\n", ip);
TRACE_AND_STEP();
M.x86.R_CX -= 1;
- if (M.x86.R_CX != 0 && ACCESS_FLAG(F_ZF)) /* CX != 0 and ZF */
- M.x86.R_IP = ip;
+ if (M.x86.R_CX != 0 && ACCESS_FLAG(F_ZF)) /* CX != 0 and ZF */
+ M.x86.R_IP = ip;
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -4081,7 +4081,7 @@ void x86emuOp_loop(u8 X86EMU_UNUSED(op1))
TRACE_AND_STEP();
M.x86.R_CX -= 1;
if (M.x86.R_CX != 0)
- M.x86.R_IP = ip;
+ M.x86.R_IP = ip;
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -4093,7 +4093,7 @@ Handles opcode 0xe3
void x86emuOp_jcxz(u8 X86EMU_UNUSED(op1))
{
u16 target;
- s8 offset;
+ s8 offset;
/* jump to byte offset if overflow flag is set */
START_OF_INSTR();
@@ -4103,7 +4103,7 @@ void x86emuOp_jcxz(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF2("%x\n", target);
TRACE_AND_STEP();
if (M.x86.R_CX == 0)
- M.x86.R_IP = target;
+ M.x86.R_IP = target;
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -4138,15 +4138,15 @@ void x86emuOp_in_word_AX_IMM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("IN\t");
port = (u8) fetch_byte_imm();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF2("EAX,%x\n", port);
+ DECODE_PRINTF2("EAX,%x\n", port);
} else {
- DECODE_PRINTF2("AX,%x\n", port);
+ DECODE_PRINTF2("AX,%x\n", port);
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EAX = (*sys_inl)(port);
+ M.x86.R_EAX = (*sys_inl)(port);
} else {
- M.x86.R_AX = (*sys_inw)(port);
+ M.x86.R_AX = (*sys_inw)(port);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4182,15 +4182,15 @@ void x86emuOp_out_word_IMM_AX(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("OUT\t");
port = (u8) fetch_byte_imm();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF2("%x,EAX\n", port);
+ DECODE_PRINTF2("%x,EAX\n", port);
} else {
- DECODE_PRINTF2("%x,AX\n", port);
+ DECODE_PRINTF2("%x,AX\n", port);
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- (*sys_outl)(port, M.x86.R_EAX);
+ (*sys_outl)(port, M.x86.R_EAX);
} else {
- (*sys_outw)(port, M.x86.R_AX);
+ (*sys_outw)(port, M.x86.R_AX);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4207,7 +4207,7 @@ void x86emuOp_call_near_IMM(u8 X86EMU_UNUSED(op1))
START_OF_INSTR();
DECODE_PRINTF("CALL\t");
ip = (s16) fetch_word_imm();
- ip += (s16) M.x86.R_IP; /* CHECK SIGN */
+ ip += (s16) M.x86.R_IP; /* CHECK SIGN */
DECODE_PRINTF2("%04x\n", ip);
CALL_TRACE(M.x86.saved_cs, M.x86.saved_ip, M.x86.R_CS, ip, "");
TRACE_AND_STEP();
@@ -4299,15 +4299,15 @@ void x86emuOp_in_word_AX_DX(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("IN\tEAX,DX\n");
+ DECODE_PRINTF("IN\tEAX,DX\n");
} else {
- DECODE_PRINTF("IN\tAX,DX\n");
+ DECODE_PRINTF("IN\tAX,DX\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_EAX = (*sys_inl)(M.x86.R_DX);
+ M.x86.R_EAX = (*sys_inl)(M.x86.R_DX);
} else {
- M.x86.R_AX = (*sys_inw)(M.x86.R_DX);
+ M.x86.R_AX = (*sys_inw)(M.x86.R_DX);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4335,15 +4335,15 @@ void x86emuOp_out_word_DX_AX(u8 X86EMU_UNUSED(op1))
{
START_OF_INSTR();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("OUT\tDX,EAX\n");
+ DECODE_PRINTF("OUT\tDX,EAX\n");
} else {
- DECODE_PRINTF("OUT\tDX,AX\n");
+ DECODE_PRINTF("OUT\tDX,AX\n");
}
TRACE_AND_STEP();
if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- (*sys_outl)(M.x86.R_DX, M.x86.R_EAX);
+ (*sys_outl)(M.x86.R_DX, M.x86.R_EAX);
} else {
- (*sys_outw)(M.x86.R_DX, M.x86.R_AX);
+ (*sys_outw)(M.x86.R_DX, M.x86.R_AX);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4438,100 +4438,100 @@ void x86emuOp_opcF6_byte_RM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
DECODE_PRINTF(opF6_names[rh]);
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- destval = fetch_data_byte(destoffset);
-
- switch (rh) {
- case 0: /* test byte imm */
- DECODE_PRINTF(",");
- srcval = fetch_byte_imm();
- DECODE_PRINTF2("%02x\n", srcval);
- TRACE_AND_STEP();
- test_byte(destval, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = not_byte(destval);
- store_data_byte(destoffset, destval);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = neg_byte(destval);
- store_data_byte(destoffset, destval);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_byte(destval);
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_byte(destval);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_byte(destval);
- break;
- default:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_byte(destval);
- break;
- }
- } else { /* mod=11 */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- switch (rh) {
- case 0: /* test byte imm */
- DECODE_PRINTF(",");
- srcval = fetch_byte_imm();
- DECODE_PRINTF2("%02x\n", srcval);
- TRACE_AND_STEP();
- test_byte(*destreg, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = not_byte(*destreg);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = neg_byte(*destreg);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_byte(*destreg); /*!!! */
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_byte(*destreg);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_byte(*destreg);
- break;
- default:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_byte(*destreg);
- break;
- }
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ destval = fetch_data_byte(destoffset);
+
+ switch (rh) {
+ case 0: /* test byte imm */
+ DECODE_PRINTF(",");
+ srcval = fetch_byte_imm();
+ DECODE_PRINTF2("%02x\n", srcval);
+ TRACE_AND_STEP();
+ test_byte(destval, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = not_byte(destval);
+ store_data_byte(destoffset, destval);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = neg_byte(destval);
+ store_data_byte(destoffset, destval);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_byte(destval);
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_byte(destval);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_byte(destval);
+ break;
+ default:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_byte(destval);
+ break;
+ }
+ } else { /* mod=11 */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ switch (rh) {
+ case 0: /* test byte imm */
+ DECODE_PRINTF(",");
+ srcval = fetch_byte_imm();
+ DECODE_PRINTF2("%02x\n", srcval);
+ TRACE_AND_STEP();
+ test_byte(*destreg, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = not_byte(*destreg);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = neg_byte(*destreg);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_byte(*destreg); /*!!! */
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_byte(*destreg);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_byte(*destreg);
+ break;
+ default:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_byte(*destreg);
+ break;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4551,213 +4551,213 @@ void x86emuOp_opcF7_word_RM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF(opF6_names[rh]);
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval, srcval;
-
- DECODE_PRINTF("DWORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- destval = fetch_data_long(destoffset);
-
- switch (rh) {
- case 0:
- DECODE_PRINTF(",");
- srcval = fetch_long_imm();
- DECODE_PRINTF2("%x\n", srcval);
- TRACE_AND_STEP();
- test_long(destval, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = not_long(destval);
- store_data_long(destoffset, destval);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = neg_long(destval);
- store_data_long(destoffset, destval);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_long(destval);
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_long(destval);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_long(destval);
- break;
- case 7:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_long(destval);
- break;
- }
- } else {
- u16 destval, srcval;
-
- DECODE_PRINTF("WORD PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- destval = fetch_data_word(destoffset);
-
- switch (rh) {
- case 0: /* test word imm */
- DECODE_PRINTF(",");
- srcval = fetch_word_imm();
- DECODE_PRINTF2("%x\n", srcval);
- TRACE_AND_STEP();
- test_word(destval, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = not_word(destval);
- store_data_word(destoffset, destval);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- destval = neg_word(destval);
- store_data_word(destoffset, destval);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_word(destval);
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_word(destval);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_word(destval);
- break;
- case 7:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_word(destval);
- break;
- }
- }
-
- } else { /* mod=11 */
-
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
-
- switch (rh) {
- case 0: /* test word imm */
- DECODE_PRINTF(",");
- srcval = fetch_long_imm();
- DECODE_PRINTF2("%x\n", srcval);
- TRACE_AND_STEP();
- test_long(*destreg, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = not_long(*destreg);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = neg_long(*destreg);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_long(*destreg); /*!!! */
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_long(*destreg);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_long(*destreg);
- break;
- case 7:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_long(*destreg);
- break;
- }
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
-
- switch (rh) {
- case 0: /* test word imm */
- DECODE_PRINTF(",");
- srcval = fetch_word_imm();
- DECODE_PRINTF2("%x\n", srcval);
- TRACE_AND_STEP();
- test_word(*destreg, srcval);
- break;
- case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
- HALT_SYS();
- break;
- case 2:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = not_word(*destreg);
- break;
- case 3:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = neg_word(*destreg);
- break;
- case 4:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- mul_word(*destreg); /*!!! */
- break;
- case 5:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- imul_word(*destreg);
- break;
- case 6:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- div_word(*destreg);
- break;
- case 7:
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- idiv_word(*destreg);
- break;
- }
- }
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval, srcval;
+
+ DECODE_PRINTF("DWORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ destval = fetch_data_long(destoffset);
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF(",");
+ srcval = fetch_long_imm();
+ DECODE_PRINTF2("%x\n", srcval);
+ TRACE_AND_STEP();
+ test_long(destval, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = not_long(destval);
+ store_data_long(destoffset, destval);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = neg_long(destval);
+ store_data_long(destoffset, destval);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_long(destval);
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_long(destval);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_long(destval);
+ break;
+ case 7:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_long(destval);
+ break;
+ }
+ } else {
+ u16 destval, srcval;
+
+ DECODE_PRINTF("WORD PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ destval = fetch_data_word(destoffset);
+
+ switch (rh) {
+ case 0: /* test word imm */
+ DECODE_PRINTF(",");
+ srcval = fetch_word_imm();
+ DECODE_PRINTF2("%x\n", srcval);
+ TRACE_AND_STEP();
+ test_word(destval, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = not_word(destval);
+ store_data_word(destoffset, destval);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ destval = neg_word(destval);
+ store_data_word(destoffset, destval);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_word(destval);
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_word(destval);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_word(destval);
+ break;
+ case 7:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_word(destval);
+ break;
+ }
+ }
+
+ } else { /* mod=11 */
+
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 srcval;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+
+ switch (rh) {
+ case 0: /* test word imm */
+ DECODE_PRINTF(",");
+ srcval = fetch_long_imm();
+ DECODE_PRINTF2("%x\n", srcval);
+ TRACE_AND_STEP();
+ test_long(*destreg, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = not_long(*destreg);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = neg_long(*destreg);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_long(*destreg); /*!!! */
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_long(*destreg);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_long(*destreg);
+ break;
+ case 7:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_long(*destreg);
+ break;
+ }
+ } else {
+ u16 *destreg;
+ u16 srcval;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+
+ switch (rh) {
+ case 0: /* test word imm */
+ DECODE_PRINTF(",");
+ srcval = fetch_word_imm();
+ DECODE_PRINTF2("%x\n", srcval);
+ TRACE_AND_STEP();
+ test_word(*destreg, srcval);
+ break;
+ case 1:
+ DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ HALT_SYS();
+ break;
+ case 2:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = not_word(*destreg);
+ break;
+ case 3:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = neg_word(*destreg);
+ break;
+ case 4:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ mul_word(*destreg); /*!!! */
+ break;
+ case 5:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ imul_word(*destreg);
+ break;
+ case 6:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ div_word(*destreg);
+ break;
+ case 7:
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ idiv_word(*destreg);
+ break;
+ }
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4869,49 +4869,49 @@ void x86emuOp_opcFE_byte_RM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- DECODE_PRINTF("INC\t");
- break;
- case 1:
- DECODE_PRINTF("DEC\t");
- break;
- case 2:
- case 3:
- case 4:
- case 5:
- case 6:
- case 7:
- DECODE_PRINTF2("ILLEGAL OP MAJOR OP 0xFE MINOR OP %x \n", mod);
- HALT_SYS();
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ DECODE_PRINTF("INC\t");
+ break;
+ case 1:
+ DECODE_PRINTF("DEC\t");
+ break;
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ case 7:
+ DECODE_PRINTF2("ILLEGAL OP MAJOR OP 0xFE MINOR OP %x \n", mod);
+ HALT_SYS();
+ break;
+ }
}
#endif
if (mod < 3) {
- DECODE_PRINTF("BYTE PTR ");
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- destval = fetch_data_byte(destoffset);
- TRACE_AND_STEP();
- if (rh == 0)
- destval = inc_byte(destval);
- else
- destval = dec_byte(destval);
- store_data_byte(destoffset, destval);
+ DECODE_PRINTF("BYTE PTR ");
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ destval = fetch_data_byte(destoffset);
+ TRACE_AND_STEP();
+ if (rh == 0)
+ destval = inc_byte(destval);
+ else
+ destval = dec_byte(destval);
+ store_data_byte(destoffset, destval);
} else {
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- if (rh == 0)
- *destreg = inc_byte(*destreg);
- else
- *destreg = dec_byte(*destreg);
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ if (rh == 0)
+ *destreg = inc_byte(*destreg);
+ else
+ *destreg = dec_byte(*destreg);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -4933,207 +4933,207 @@ void x86emuOp_opcFF_word_RM(u8 X86EMU_UNUSED(op1))
FETCH_DECODE_MODRM(mod, rh, rl);
#ifdef DEBUG
if (DEBUG_DECODE()) {
- /* XXX DECODE_PRINTF may be changed to something more
- general, so that it is important to leave the strings
- in the same format, even though the result is that the
- above test is done twice. */
-
- switch (rh) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("INC\tDWORD PTR ");
- } else {
- DECODE_PRINTF("INC\tWORD PTR ");
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- DECODE_PRINTF("DEC\tDWORD PTR ");
- } else {
- DECODE_PRINTF("DEC\tWORD PTR ");
- }
- break;
- case 2:
- DECODE_PRINTF("CALL\t ");
- break;
- case 3:
- DECODE_PRINTF("CALL\tFAR ");
- break;
- case 4:
- DECODE_PRINTF("JMP\t");
- break;
- case 5:
- DECODE_PRINTF("JMP\tFAR ");
- break;
- case 6:
- DECODE_PRINTF("PUSH\t");
- break;
- case 7:
- DECODE_PRINTF("ILLEGAL DECODING OF OPCODE FF\t");
- HALT_SYS();
- break;
- }
+ /* XXX DECODE_PRINTF may be changed to something more
+ general, so that it is important to leave the strings
+ in the same format, even though the result is that the
+ above test is done twice. */
+
+ switch (rh) {
+ case 0:
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ DECODE_PRINTF("INC\tDWORD PTR ");
+ } else {
+ DECODE_PRINTF("INC\tWORD PTR ");
+ }
+ break;
+ case 1:
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ DECODE_PRINTF("DEC\tDWORD PTR ");
+ } else {
+ DECODE_PRINTF("DEC\tWORD PTR ");
+ }
+ break;
+ case 2:
+ DECODE_PRINTF("CALL\t ");
+ break;
+ case 3:
+ DECODE_PRINTF("CALL\tFAR ");
+ break;
+ case 4:
+ DECODE_PRINTF("JMP\t");
+ break;
+ case 5:
+ DECODE_PRINTF("JMP\tFAR ");
+ break;
+ case 6:
+ DECODE_PRINTF("PUSH\t");
+ break;
+ case 7:
+ DECODE_PRINTF("ILLEGAL DECODING OF OPCODE FF\t");
+ HALT_SYS();
+ break;
+ }
}
#endif
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- switch (rh) {
- case 0: /* inc word ptr ... */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- destval = inc_long(destval);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- destval = inc_word(destval);
- store_data_word(destoffset, destval);
- }
- break;
- case 1: /* dec word ptr ... */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- destval = dec_long(destval);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
-
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- destval = dec_word(destval);
- store_data_word(destoffset, destval);
- }
- break;
- case 2: /* call word ptr ... */
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- push_word(M.x86.R_IP);
- M.x86.R_IP = destval;
- break;
- case 3: /* call far ptr ... */
- destval = fetch_data_word(destoffset);
- destval2 = fetch_data_word(destoffset + 2);
- TRACE_AND_STEP();
- push_word(M.x86.R_CS);
- M.x86.R_CS = destval2;
- push_word(M.x86.R_IP);
- M.x86.R_IP = destval;
- break;
- case 4: /* jmp word ptr ... */
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- M.x86.R_IP = destval;
- break;
- case 5: /* jmp far ptr ... */
- destval = fetch_data_word(destoffset);
- destval2 = fetch_data_word(destoffset + 2);
- TRACE_AND_STEP();
- M.x86.R_IP = destval;
- M.x86.R_CS = destval2;
- break;
- case 6: /* push word ptr ... */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
-
- destval = fetch_data_long(destoffset);
- TRACE_AND_STEP();
- push_long(destval);
- } else {
- u16 destval;
-
- destval = fetch_data_word(destoffset);
- TRACE_AND_STEP();
- push_word(destval);
- }
- break;
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ switch (rh) {
+ case 0: /* inc word ptr ... */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ destval = inc_long(destval);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ destval = inc_word(destval);
+ store_data_word(destoffset, destval);
+ }
+ break;
+ case 1: /* dec word ptr ... */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ destval = dec_long(destval);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ destval = dec_word(destval);
+ store_data_word(destoffset, destval);
+ }
+ break;
+ case 2: /* call word ptr ... */
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = destval;
+ break;
+ case 3: /* call far ptr ... */
+ destval = fetch_data_word(destoffset);
+ destval2 = fetch_data_word(destoffset + 2);
+ TRACE_AND_STEP();
+ push_word(M.x86.R_CS);
+ M.x86.R_CS = destval2;
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = destval;
+ break;
+ case 4: /* jmp word ptr ... */
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ M.x86.R_IP = destval;
+ break;
+ case 5: /* jmp far ptr ... */
+ destval = fetch_data_word(destoffset);
+ destval2 = fetch_data_word(destoffset + 2);
+ TRACE_AND_STEP();
+ M.x86.R_IP = destval;
+ M.x86.R_CS = destval2;
+ break;
+ case 6: /* push word ptr ... */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+
+ destval = fetch_data_long(destoffset);
+ TRACE_AND_STEP();
+ push_long(destval);
+ } else {
+ u16 destval;
+
+ destval = fetch_data_word(destoffset);
+ TRACE_AND_STEP();
+ push_word(destval);
+ }
+ break;
+ }
} else {
- switch (rh) {
- case 0:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = inc_long(*destreg);
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = inc_word(*destreg);
- }
- break;
- case 1:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = dec_long(*destreg);
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = dec_word(*destreg);
- }
- break;
- case 2: /* call word ptr ... */
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- push_word(M.x86.R_IP);
- M.x86.R_IP = *destreg;
- break;
- case 3: /* jmp far ptr ... */
- DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
- TRACE_AND_STEP();
- HALT_SYS();
- break;
-
- case 4: /* jmp ... */
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- M.x86.R_IP = (u16) (*destreg);
- break;
- case 5: /* jmp far ptr ... */
- DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
- TRACE_AND_STEP();
- HALT_SYS();
- break;
- case 6:
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- push_long(*destreg);
- } else {
- u16 *destreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- push_word(*destreg);
- }
- break;
- }
+ switch (rh) {
+ case 0:
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = inc_long(*destreg);
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = inc_word(*destreg);
+ }
+ break;
+ case 1:
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = dec_long(*destreg);
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = dec_word(*destreg);
+ }
+ break;
+ case 2: /* call word ptr ... */
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ push_word(M.x86.R_IP);
+ M.x86.R_IP = *destreg;
+ break;
+ case 3: /* jmp far ptr ... */
+ DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
+ TRACE_AND_STEP();
+ HALT_SYS();
+ break;
+
+ case 4: /* jmp ... */
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ M.x86.R_IP = (u16) (*destreg);
+ break;
+ case 5: /* jmp far ptr ... */
+ DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
+ TRACE_AND_STEP();
+ HALT_SYS();
+ break;
+ case 6:
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ push_long(*destreg);
+ } else {
+ u16 *destreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ push_word(*destreg);
+ }
+ break;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
diff --git a/drivers/bios_emulator/x86emu/ops2.c b/drivers/bios_emulator/x86emu/ops2.c
index 2412b24..631a340 100644
--- a/drivers/bios_emulator/x86emu/ops2.c
+++ b/drivers/bios_emulator/x86emu/ops2.c
@@ -1,13 +1,13 @@
/****************************************************************************
*
-* Realmode X86 Emulator Library
+* Realmode X86 Emulator Library
*
* Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
* Jason Jin <Jason.jin@freescale.com>
*
-* Copyright (C) 1991-2004 SciTech Software, Inc.
-* Copyright (C) David Mosberger-Tang
-* Copyright (C) 1999 Egbert Eich
+* Copyright (C) 1991-2004 SciTech Software, Inc.
+* Copyright (C) David Mosberger-Tang
+* Copyright (C) 1999 Egbert Eich
*
* ========================================================================
*
@@ -17,7 +17,7 @@
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of the authors not be used
* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
+* without specific, written prior permission. The authors makes no
* representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
@@ -31,16 +31,16 @@
*
* ========================================================================
*
-* Language: ANSI C
-* Environment: Any
-* Developer: Kendall Bennett
+* Language: ANSI C
+* Environment: Any
+* Developer: Kendall Bennett
*
-* Description: This file includes subroutines to implement the decoding
-* and emulation of all the x86 extended two-byte processor
-* instructions.
+* Description: This file includes subroutines to implement the decoding
+* and emulation of all the x86 extended two-byte processor
+* instructions.
*
-* Jason port this file to u-boot. Put the function pointer into
-* got2 sector.
+* Jason port this file to u-boot. Put the function pointer into
+* got2 sector.
*
****************************************************************************/
@@ -62,7 +62,7 @@ void x86emuOp2_illegal_op(
DECODE_PRINTF("ILLEGAL EXTENDED X86 OPCODE\n");
TRACE_REGS();
printk("%04x:%04x: %02X ILLEGAL EXTENDED X86 OPCODE!\n",
- M.x86.R_CS, M.x86.R_IP-2,op2);
+ M.x86.R_CS, M.x86.R_IP-2,op2);
HALT_SYS();
END_OF_INSTR();
}
@@ -77,69 +77,69 @@ int x86emu_check_jump_condition(u8 op)
{
switch (op) {
case 0x0:
- DECODE_PRINTF("JO\t");
- return ACCESS_FLAG(F_OF);
+ DECODE_PRINTF("JO\t");
+ return ACCESS_FLAG(F_OF);
case 0x1:
- DECODE_PRINTF("JNO\t");
- return !ACCESS_FLAG(F_OF);
- break;
+ DECODE_PRINTF("JNO\t");
+ return !ACCESS_FLAG(F_OF);
+ break;
case 0x2:
- DECODE_PRINTF("JB\t");
- return ACCESS_FLAG(F_CF);
- break;
+ DECODE_PRINTF("JB\t");
+ return ACCESS_FLAG(F_CF);
+ break;
case 0x3:
- DECODE_PRINTF("JNB\t");
- return !ACCESS_FLAG(F_CF);
- break;
+ DECODE_PRINTF("JNB\t");
+ return !ACCESS_FLAG(F_CF);
+ break;
case 0x4:
- DECODE_PRINTF("JZ\t");
- return ACCESS_FLAG(F_ZF);
- break;
+ DECODE_PRINTF("JZ\t");
+ return ACCESS_FLAG(F_ZF);
+ break;
case 0x5:
- DECODE_PRINTF("JNZ\t");
- return !ACCESS_FLAG(F_ZF);
- break;
+ DECODE_PRINTF("JNZ\t");
+ return !ACCESS_FLAG(F_ZF);
+ break;
case 0x6:
- DECODE_PRINTF("JBE\t");
- return ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF);
- break;
+ DECODE_PRINTF("JBE\t");
+ return ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF);
+ break;
case 0x7:
- DECODE_PRINTF("JNBE\t");
- return !(ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF));
- break;
+ DECODE_PRINTF("JNBE\t");
+ return !(ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF));
+ break;
case 0x8:
- DECODE_PRINTF("JS\t");
- return ACCESS_FLAG(F_SF);
- break;
+ DECODE_PRINTF("JS\t");
+ return ACCESS_FLAG(F_SF);
+ break;
case 0x9:
- DECODE_PRINTF("JNS\t");
- return !ACCESS_FLAG(F_SF);
- break;
+ DECODE_PRINTF("JNS\t");
+ return !ACCESS_FLAG(F_SF);
+ break;
case 0xa:
- DECODE_PRINTF("JP\t");
- return ACCESS_FLAG(F_PF);
- break;
+ DECODE_PRINTF("JP\t");
+ return ACCESS_FLAG(F_PF);
+ break;
case 0xb:
- DECODE_PRINTF("JNP\t");
- return !ACCESS_FLAG(F_PF);
- break;
+ DECODE_PRINTF("JNP\t");
+ return !ACCESS_FLAG(F_PF);
+ break;
case 0xc:
- DECODE_PRINTF("JL\t");
- return xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
- break;
+ DECODE_PRINTF("JL\t");
+ return xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
+ break;
case 0xd:
- DECODE_PRINTF("JNL\t");
- return !xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
- break;
+ DECODE_PRINTF("JNL\t");
+ return !xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
+ break;
case 0xe:
- DECODE_PRINTF("JLE\t");
- return (xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
- ACCESS_FLAG(F_ZF));
- break;
+ DECODE_PRINTF("JLE\t");
+ return (xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
+ ACCESS_FLAG(F_ZF));
+ break;
default:
- DECODE_PRINTF("JNLE\t");
- return !(xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
- ACCESS_FLAG(F_ZF));
+ DECODE_PRINTF("JNLE\t");
+ return !(xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
+ ACCESS_FLAG(F_ZF));
}
}
@@ -156,7 +156,7 @@ void x86emuOp2_long_jump(u8 op2)
DECODE_PRINTF2("%04x\n", target);
TRACE_AND_STEP();
if (cond)
- M.x86.R_IP = (u16)target;
+ M.x86.R_IP = (u16)target;
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
}
@@ -169,89 +169,89 @@ void x86emuOp2_set_byte(u8 op2)
{
int mod, rl, rh;
uint destoffset;
- u8 *destreg;
+ u8 *destreg;
char *name = 0;
int cond = 0;
START_OF_INSTR();
switch (op2) {
case 0x90:
- name = "SETO\t";
- cond = ACCESS_FLAG(F_OF);
- break;
+ name = "SETO\t";
+ cond = ACCESS_FLAG(F_OF);
+ break;
case 0x91:
- name = "SETNO\t";
- cond = !ACCESS_FLAG(F_OF);
- break;
+ name = "SETNO\t";
+ cond = !ACCESS_FLAG(F_OF);
+ break;
case 0x92:
- name = "SETB\t";
- cond = ACCESS_FLAG(F_CF);
- break;
+ name = "SETB\t";
+ cond = ACCESS_FLAG(F_CF);
+ break;
case 0x93:
- name = "SETNB\t";
- cond = !ACCESS_FLAG(F_CF);
- break;
+ name = "SETNB\t";
+ cond = !ACCESS_FLAG(F_CF);
+ break;
case 0x94:
- name = "SETZ\t";
- cond = ACCESS_FLAG(F_ZF);
- break;
+ name = "SETZ\t";
+ cond = ACCESS_FLAG(F_ZF);
+ break;
case 0x95:
- name = "SETNZ\t";
- cond = !ACCESS_FLAG(F_ZF);
- break;
+ name = "SETNZ\t";
+ cond = !ACCESS_FLAG(F_ZF);
+ break;
case 0x96:
- name = "SETBE\t";
- cond = ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF);
- break;
+ name = "SETBE\t";
+ cond = ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF);
+ break;
case 0x97:
- name = "SETNBE\t";
- cond = !(ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF));
- break;
+ name = "SETNBE\t";
+ cond = !(ACCESS_FLAG(F_CF) || ACCESS_FLAG(F_ZF));
+ break;
case 0x98:
- name = "SETS\t";
- cond = ACCESS_FLAG(F_SF);
- break;
+ name = "SETS\t";
+ cond = ACCESS_FLAG(F_SF);
+ break;
case 0x99:
- name = "SETNS\t";
- cond = !ACCESS_FLAG(F_SF);
- break;
+ name = "SETNS\t";
+ cond = !ACCESS_FLAG(F_SF);
+ break;
case 0x9a:
- name = "SETP\t";
- cond = ACCESS_FLAG(F_PF);
- break;
+ name = "SETP\t";
+ cond = ACCESS_FLAG(F_PF);
+ break;
case 0x9b:
- name = "SETNP\t";
- cond = !ACCESS_FLAG(F_PF);
- break;
+ name = "SETNP\t";
+ cond = !ACCESS_FLAG(F_PF);
+ break;
case 0x9c:
- name = "SETL\t";
- cond = xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
- break;
+ name = "SETL\t";
+ cond = xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
+ break;
case 0x9d:
- name = "SETNL\t";
- cond = !xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
- break;
+ name = "SETNL\t";
+ cond = !xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF));
+ break;
case 0x9e:
- name = "SETLE\t";
- cond = (xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
- ACCESS_FLAG(F_ZF));
- break;
+ name = "SETLE\t";
+ cond = (xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
+ ACCESS_FLAG(F_ZF));
+ break;
case 0x9f:
- name = "SETNLE\t";
- cond = !(xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
- ACCESS_FLAG(F_ZF));
- break;
+ name = "SETNLE\t";
+ cond = !(xorl(ACCESS_FLAG(F_SF), ACCESS_FLAG(F_OF)) ||
+ ACCESS_FLAG(F_ZF));
+ break;
}
DECODE_PRINTF(name);
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- TRACE_AND_STEP();
- store_data_byte(destoffset, cond ? 0x01 : 0x00);
- } else { /* register to register */
- destreg = DECODE_RM_BYTE_REGISTER(rl);
- TRACE_AND_STEP();
- *destreg = cond ? 0x01 : 0x00;
+ destoffset = decode_rmXX_address(mod, rl);
+ TRACE_AND_STEP();
+ store_data_byte(destoffset, cond ? 0x01 : 0x00);
+ } else { /* register to register */
+ destreg = DECODE_RM_BYTE_REGISTER(rl);
+ TRACE_AND_STEP();
+ *destreg = cond ? 0x01 : 0x00;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -299,50 +299,50 @@ void x86emuOp2_bt_R(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("BT\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval;
- u32 *shiftreg;
-
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- CONDITIONAL_SET_FLAG(srcval & (0x1 << bit),F_CF);
- } else {
- u16 srcval;
- u16 *shiftreg;
-
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- CONDITIONAL_SET_FLAG(srcval & (0x1 << bit),F_CF);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg,*shiftreg;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- CONDITIONAL_SET_FLAG(*srcreg & (0x1 << bit),F_CF);
- } else {
- u16 *srcreg,*shiftreg;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- CONDITIONAL_SET_FLAG(*srcreg & (0x1 << bit),F_CF);
- }
+ srcoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 srcval;
+ u32 *shiftreg;
+
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0x1F;
+ disp = (s16)*shiftreg >> 5;
+ srcval = fetch_data_long(srcoffset+disp);
+ CONDITIONAL_SET_FLAG(srcval & (0x1 << bit),F_CF);
+ } else {
+ u16 srcval;
+ u16 *shiftreg;
+
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0xF;
+ disp = (s16)*shiftreg >> 4;
+ srcval = fetch_data_word(srcoffset+disp);
+ CONDITIONAL_SET_FLAG(srcval & (0x1 << bit),F_CF);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg,*shiftreg;
+
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0x1F;
+ CONDITIONAL_SET_FLAG(*srcreg & (0x1 << bit),F_CF);
+ } else {
+ u16 *srcreg,*shiftreg;
+
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0xF;
+ CONDITIONAL_SET_FLAG(*srcreg & (0x1 << bit),F_CF);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -362,58 +362,58 @@ void x86emuOp2_shld_IMM(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("SHLD\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shld_long(destval,*shiftreg,shift);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shld_word(destval,*shiftreg,shift);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*shiftreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- *destreg = shld_long(*destreg,*shiftreg,shift);
- } else {
- u16 *destreg,*shiftreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- *destreg = shld_word(*destreg,*shiftreg,shift);
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+ u32 *shiftreg;
+
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ shift = fetch_byte_imm();
+ DECODE_PRINTF2("%d\n", shift);
+ TRACE_AND_STEP();
+ destval = fetch_data_long(destoffset);
+ destval = shld_long(destval,*shiftreg,shift);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+ u16 *shiftreg;
+
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ shift = fetch_byte_imm();
+ DECODE_PRINTF2("%d\n", shift);
+ TRACE_AND_STEP();
+ destval = fetch_data_word(destoffset);
+ destval = shld_word(destval,*shiftreg,shift);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*shiftreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ shift = fetch_byte_imm();
+ DECODE_PRINTF2("%d\n", shift);
+ TRACE_AND_STEP();
+ *destreg = shld_long(*destreg,*shiftreg,shift);
+ } else {
+ u16 *destreg,*shiftreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ shift = fetch_byte_imm();
+ DECODE_PRINTF2("%d\n", shift);
+ TRACE_AND_STEP();
+ *destreg = shld_word(*destreg,*shiftreg,shift);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -432,50 +432,50 @@ void x86emuOp2_shld_CL(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("SHLD\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shld_long(destval,*shiftreg,M.x86.R_CL);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shld_word(destval,*shiftreg,M.x86.R_CL);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*shiftreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = shld_long(*destreg,*shiftreg,M.x86.R_CL);
- } else {
- u16 *destreg,*shiftreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = shld_word(*destreg,*shiftreg,M.x86.R_CL);
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+ u32 *shiftreg;
+
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ destval = fetch_data_long(destoffset);
+ destval = shld_long(destval,*shiftreg,M.x86.R_CL);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+ u16 *shiftreg;
+
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ destval = fetch_data_word(destoffset);
+ destval = shld_word(destval,*shiftreg,M.x86.R_CL);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*shiftreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ *destreg = shld_long(*destreg,*shiftreg,M.x86.R_CL);
+ } else {
+ u16 *destreg,*shiftreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ *destreg = shld_word(*destreg,*shiftreg,M.x86.R_CL);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -523,60 +523,60 @@ void x86emuOp2_bts_R(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("BTS\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval | mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, srcval | mask);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg,*shiftreg;
- u32 mask;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg |= mask;
- } else {
- u16 *srcreg,*shiftreg;
- u16 mask;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg |= mask;
- }
+ srcoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 srcval,mask;
+ u32 *shiftreg;
+
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0x1F;
+ disp = (s16)*shiftreg >> 5;
+ srcval = fetch_data_long(srcoffset+disp);
+ mask = (0x1 << bit);
+ CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
+ store_data_long(srcoffset+disp, srcval | mask);
+ } else {
+ u16 srcval,mask;
+ u16 *shiftreg;
+
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0xF;
+ disp = (s16)*shiftreg >> 4;
+ srcval = fetch_data_word(srcoffset+disp);
+ mask = (u16)(0x1 << bit);
+ CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
+ store_data_word(srcoffset+disp, srcval | mask);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg,*shiftreg;
+ u32 mask;
+
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0x1F;
+ mask = (0x1 << bit);
+ CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
+ *srcreg |= mask;
+ } else {
+ u16 *srcreg,*shiftreg;
+ u16 mask;
+
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0xF;
+ mask = (u16)(0x1 << bit);
+ CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
+ *srcreg |= mask;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -596,58 +596,58 @@ void x86emuOp2_shrd_IMM(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("SHLD\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shrd_long(destval,*shiftreg,shift);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shrd_word(destval,*shiftreg,shift);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*shiftreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- *destreg = shrd_long(*destreg,*shiftreg,shift);
- } else {
- u16 *destreg,*shiftreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- shift = fetch_byte_imm();
- DECODE_PRINTF2("%d\n", shift);
- TRACE_AND_STEP();
- *destreg = shrd_word(*destreg,*shiftreg,shift);
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+ u32 *shiftreg;
+
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ shift = fetch_byte_imm();
+ DECODE_PRINTF2("%d\n", shift);
+ TRACE_AND_STEP();
+ destval = fetch_data_long(destoffset);
+ destval = shrd_long(destval,*shiftreg,shift);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+ u16 *shiftreg;
+
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ shift = fetch_byte_imm();
+ DECODE_PRINTF2("%d\n", shift);
+ TRACE_AND_STEP();
+ destval = fetch_data_word(destoffset);
+ destval = shrd_word(destval,*shiftreg,shift);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*shiftreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ shift = fetch_byte_imm();
+ DECODE_PRINTF2("%d\n", shift);
+ TRACE_AND_STEP();
+ *destreg = shrd_long(*destreg,*shiftreg,shift);
+ } else {
+ u16 *destreg,*shiftreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ shift = fetch_byte_imm();
+ DECODE_PRINTF2("%d\n", shift);
+ TRACE_AND_STEP();
+ *destreg = shrd_word(*destreg,*shiftreg,shift);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -666,49 +666,49 @@ void x86emuOp2_shrd_CL(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("SHLD\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 destval;
- u32 *shiftreg;
-
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_long(destoffset);
- destval = shrd_long(destval,*shiftreg,M.x86.R_CL);
- store_data_long(destoffset, destval);
- } else {
- u16 destval;
- u16 *shiftreg;
-
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- destval = fetch_data_word(destoffset);
- destval = shrd_word(destval,*shiftreg,M.x86.R_CL);
- store_data_word(destoffset, destval);
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*shiftreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = shrd_long(*destreg,*shiftreg,M.x86.R_CL);
- } else {
- u16 *destreg,*shiftreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",CL\n");
- TRACE_AND_STEP();
- *destreg = shrd_word(*destreg,*shiftreg,M.x86.R_CL);
- }
+ destoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 destval;
+ u32 *shiftreg;
+
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ destval = fetch_data_long(destoffset);
+ destval = shrd_long(destval,*shiftreg,M.x86.R_CL);
+ store_data_long(destoffset, destval);
+ } else {
+ u16 destval;
+ u16 *shiftreg;
+
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ destval = fetch_data_word(destoffset);
+ destval = shrd_word(destval,*shiftreg,M.x86.R_CL);
+ store_data_word(destoffset, destval);
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*shiftreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ *destreg = shrd_long(*destreg,*shiftreg,M.x86.R_CL);
+ } else {
+ u16 *destreg,*shiftreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",CL\n");
+ TRACE_AND_STEP();
+ *destreg = shrd_word(*destreg,*shiftreg,M.x86.R_CL);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -727,80 +727,80 @@ void x86emuOp2_imul_R_RM(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("IMUL\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
- u32 res_lo,res_hi;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_long(srcoffset);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)*destreg,(s32)srcval);
- if (res_hi != 0) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg;
- u16 srcval;
- u32 res;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_word(srcoffset);
- TRACE_AND_STEP();
- res = (s16)*destreg * (s16)srcval;
- if (res > 0xFFFF) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg,*srcreg;
- u32 res_lo,res_hi;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- TRACE_AND_STEP();
- imul_long_direct(&res_lo,&res_hi,(s32)*destreg,(s32)*srcreg);
- if (res_hi != 0) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u32)res_lo;
- } else {
- u16 *destreg,*srcreg;
- u32 res;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- res = (s16)*destreg * (s16)*srcreg;
- if (res > 0xFFFF) {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
- } else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- }
- *destreg = (u16)res;
- }
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 srcval;
+ u32 res_lo,res_hi;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_long(srcoffset);
+ TRACE_AND_STEP();
+ imul_long_direct(&res_lo,&res_hi,(s32)*destreg,(s32)srcval);
+ if (res_hi != 0) {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ } else {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ }
+ *destreg = (u32)res_lo;
+ } else {
+ u16 *destreg;
+ u16 srcval;
+ u32 res;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_word(srcoffset);
+ TRACE_AND_STEP();
+ res = (s16)*destreg * (s16)srcval;
+ if (res > 0xFFFF) {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ } else {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ }
+ *destreg = (u16)res;
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg,*srcreg;
+ u32 res_lo,res_hi;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ TRACE_AND_STEP();
+ imul_long_direct(&res_lo,&res_hi,(s32)*destreg,(s32)*srcreg);
+ if (res_hi != 0) {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ } else {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ }
+ *destreg = (u32)res_lo;
+ } else {
+ u16 *destreg,*srcreg;
+ u32 res;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ res = (s16)*destreg * (s16)*srcreg;
+ if (res > 0xFFFF) {
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
+ } else {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ }
+ *destreg = (u16)res;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -820,16 +820,16 @@ void x86emuOp2_lss_R_IMM(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("LSS\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_SS = fetch_data_word(srcoffset + 2);
- } else { /* register to register */
- /* UNDEFINED! */
- TRACE_AND_STEP();
+ dstreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *dstreg = fetch_data_word(srcoffset);
+ M.x86.R_SS = fetch_data_word(srcoffset + 2);
+ } else { /* register to register */
+ /* UNDEFINED! */
+ TRACE_AND_STEP();
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -849,59 +849,59 @@ void x86emuOp2_btr_R(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("BTR\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval & ~mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, (u16)(srcval & ~mask));
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg,*shiftreg;
- u32 mask;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg &= ~mask;
- } else {
- u16 *srcreg,*shiftreg;
- u16 mask;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg &= ~mask;
- }
+ srcoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 srcval,mask;
+ u32 *shiftreg;
+
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0x1F;
+ disp = (s16)*shiftreg >> 5;
+ srcval = fetch_data_long(srcoffset+disp);
+ mask = (0x1 << bit);
+ CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
+ store_data_long(srcoffset+disp, srcval & ~mask);
+ } else {
+ u16 srcval,mask;
+ u16 *shiftreg;
+
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0xF;
+ disp = (s16)*shiftreg >> 4;
+ srcval = fetch_data_word(srcoffset+disp);
+ mask = (u16)(0x1 << bit);
+ CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
+ store_data_word(srcoffset+disp, (u16)(srcval & ~mask));
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg,*shiftreg;
+ u32 mask;
+
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0x1F;
+ mask = (0x1 << bit);
+ CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
+ *srcreg &= ~mask;
+ } else {
+ u16 *srcreg,*shiftreg;
+ u16 mask;
+
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0xF;
+ mask = (u16)(0x1 << bit);
+ CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
+ *srcreg &= ~mask;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -921,16 +921,16 @@ void x86emuOp2_lfs_R_IMM(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("LFS\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_FS = fetch_data_word(srcoffset + 2);
- } else { /* register to register */
- /* UNDEFINED! */
- TRACE_AND_STEP();
+ dstreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *dstreg = fetch_data_word(srcoffset);
+ M.x86.R_FS = fetch_data_word(srcoffset + 2);
+ } else { /* register to register */
+ /* UNDEFINED! */
+ TRACE_AND_STEP();
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -950,16 +950,16 @@ void x86emuOp2_lgs_R_IMM(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("LGS\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *dstreg = fetch_data_word(srcoffset);
- M.x86.R_GS = fetch_data_word(srcoffset + 2);
- } else { /* register to register */
- /* UNDEFINED! */
- TRACE_AND_STEP();
+ dstreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *dstreg = fetch_data_word(srcoffset);
+ M.x86.R_GS = fetch_data_word(srcoffset + 2);
+ } else { /* register to register */
+ /* UNDEFINED! */
+ TRACE_AND_STEP();
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -978,51 +978,51 @@ void x86emuOp2_movzx_byte_R_RM(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("MOVZX\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_byte(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_byte(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u8 *srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- } else {
- u16 *destreg;
- u8 *srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
- }
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 srcval;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_byte(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ } else {
+ u16 *destreg;
+ u16 srcval;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_byte(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u8 *srcreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
+ } else {
+ u16 *destreg;
+ u8 *srcreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1044,20 +1044,20 @@ void x86emuOp2_movzx_word_R_RM(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("MOVZX\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = fetch_data_word(srcoffset);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else { /* register to register */
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = *srcreg;
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = fetch_data_word(srcoffset);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ } else { /* register to register */
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = *srcreg;
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1078,122 +1078,122 @@ void x86emuOp2_btX_I(u8 X86EMU_UNUSED(op2))
FETCH_DECODE_MODRM(mod, rh, rl);
switch (rh) {
case 4:
- DECODE_PRINTF("BT\t");
- break;
+ DECODE_PRINTF("BT\t");
+ break;
case 5:
- DECODE_PRINTF("BTS\t");
- break;
+ DECODE_PRINTF("BTS\t");
+ break;
case 6:
- DECODE_PRINTF("BTR\t");
- break;
+ DECODE_PRINTF("BTR\t");
+ break;
case 7:
- DECODE_PRINTF("BTC\t");
- break;
+ DECODE_PRINTF("BTC\t");
+ break;
default:
- DECODE_PRINTF("ILLEGAL EXTENDED X86 OPCODE\n");
- TRACE_REGS();
- printk("%04x:%04x: %02X%02X ILLEGAL EXTENDED X86 OPCODE EXTENSION!\n",
- M.x86.R_CS, M.x86.R_IP-3,op2, (mod<<6)|(rh<<3)|rl);
- HALT_SYS();
+ DECODE_PRINTF("ILLEGAL EXTENDED X86 OPCODE\n");
+ TRACE_REGS();
+ printk("%04x:%04x: %02X%02X ILLEGAL EXTENDED X86 OPCODE EXTENSION!\n",
+ M.x86.R_CS, M.x86.R_IP-3,op2, (mod<<6)|(rh<<3)|rl);
+ HALT_SYS();
}
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod, rl);
- shift = fetch_byte_imm();
- DECODE_PRINTF2(",%d\n", shift);
- TRACE_AND_STEP();
-
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, mask;
-
- bit = shift & 0x1F;
- srcval = fetch_data_long(srcoffset);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- switch (rh) {
- case 5:
- store_data_long(srcoffset, srcval | mask);
- break;
- case 6:
- store_data_long(srcoffset, srcval & ~mask);
- break;
- case 7:
- store_data_long(srcoffset, srcval ^ mask);
- break;
- default:
- break;
- }
- } else {
- u16 srcval, mask;
-
- bit = shift & 0xF;
- srcval = fetch_data_word(srcoffset);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- switch (rh) {
- case 5:
- store_data_word(srcoffset, srcval | mask);
- break;
- case 6:
- store_data_word(srcoffset, srcval & ~mask);
- break;
- case 7:
- store_data_word(srcoffset, srcval ^ mask);
- break;
- default:
- break;
- }
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg;
- u32 mask;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- shift = fetch_byte_imm();
- DECODE_PRINTF2(",%d\n", shift);
- TRACE_AND_STEP();
- bit = shift & 0x1F;
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- switch (rh) {
- case 5:
- *srcreg |= mask;
- break;
- case 6:
- *srcreg &= ~mask;
- break;
- case 7:
- *srcreg ^= mask;
- break;
- default:
- break;
- }
- } else {
- u16 *srcreg;
- u16 mask;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- shift = fetch_byte_imm();
- DECODE_PRINTF2(",%d\n", shift);
- TRACE_AND_STEP();
- bit = shift & 0xF;
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- switch (rh) {
- case 5:
- *srcreg |= mask;
- break;
- case 6:
- *srcreg &= ~mask;
- break;
- case 7:
- *srcreg ^= mask;
- break;
- default:
- break;
- }
- }
+ srcoffset = decode_rmXX_address(mod, rl);
+ shift = fetch_byte_imm();
+ DECODE_PRINTF2(",%d\n", shift);
+ TRACE_AND_STEP();
+
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 srcval, mask;
+
+ bit = shift & 0x1F;
+ srcval = fetch_data_long(srcoffset);
+ mask = (0x1 << bit);
+ CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
+ switch (rh) {
+ case 5:
+ store_data_long(srcoffset, srcval | mask);
+ break;
+ case 6:
+ store_data_long(srcoffset, srcval & ~mask);
+ break;
+ case 7:
+ store_data_long(srcoffset, srcval ^ mask);
+ break;
+ default:
+ break;
+ }
+ } else {
+ u16 srcval, mask;
+
+ bit = shift & 0xF;
+ srcval = fetch_data_word(srcoffset);
+ mask = (0x1 << bit);
+ CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
+ switch (rh) {
+ case 5:
+ store_data_word(srcoffset, srcval | mask);
+ break;
+ case 6:
+ store_data_word(srcoffset, srcval & ~mask);
+ break;
+ case 7:
+ store_data_word(srcoffset, srcval ^ mask);
+ break;
+ default:
+ break;
+ }
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg;
+ u32 mask;
+
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ shift = fetch_byte_imm();
+ DECODE_PRINTF2(",%d\n", shift);
+ TRACE_AND_STEP();
+ bit = shift & 0x1F;
+ mask = (0x1 << bit);
+ CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
+ switch (rh) {
+ case 5:
+ *srcreg |= mask;
+ break;
+ case 6:
+ *srcreg &= ~mask;
+ break;
+ case 7:
+ *srcreg ^= mask;
+ break;
+ default:
+ break;
+ }
+ } else {
+ u16 *srcreg;
+ u16 mask;
+
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ shift = fetch_byte_imm();
+ DECODE_PRINTF2(",%d\n", shift);
+ TRACE_AND_STEP();
+ bit = shift & 0xF;
+ mask = (0x1 << bit);
+ CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
+ switch (rh) {
+ case 5:
+ *srcreg |= mask;
+ break;
+ case 6:
+ *srcreg &= ~mask;
+ break;
+ case 7:
+ *srcreg ^= mask;
+ break;
+ default:
+ break;
+ }
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1213,59 +1213,59 @@ void x86emuOp2_btc_R(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("BTC\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval,mask;
- u32 *shiftreg;
-
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- disp = (s16)*shiftreg >> 5;
- srcval = fetch_data_long(srcoffset+disp);
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_long(srcoffset+disp, srcval ^ mask);
- } else {
- u16 srcval,mask;
- u16 *shiftreg;
-
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- disp = (s16)*shiftreg >> 4;
- srcval = fetch_data_word(srcoffset+disp);
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
- store_data_word(srcoffset+disp, (u16)(srcval ^ mask));
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg,*shiftreg;
- u32 mask;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0x1F;
- mask = (0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg ^= mask;
- } else {
- u16 *srcreg,*shiftreg;
- u16 mask;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- shiftreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- bit = *shiftreg & 0xF;
- mask = (u16)(0x1 << bit);
- CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
- *srcreg ^= mask;
- }
+ srcoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 srcval,mask;
+ u32 *shiftreg;
+
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0x1F;
+ disp = (s16)*shiftreg >> 5;
+ srcval = fetch_data_long(srcoffset+disp);
+ mask = (0x1 << bit);
+ CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
+ store_data_long(srcoffset+disp, srcval ^ mask);
+ } else {
+ u16 srcval,mask;
+ u16 *shiftreg;
+
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0xF;
+ disp = (s16)*shiftreg >> 4;
+ srcval = fetch_data_word(srcoffset+disp);
+ mask = (u16)(0x1 << bit);
+ CONDITIONAL_SET_FLAG(srcval & mask,F_CF);
+ store_data_word(srcoffset+disp, (u16)(srcval ^ mask));
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg,*shiftreg;
+ u32 mask;
+
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0x1F;
+ mask = (0x1 << bit);
+ CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
+ *srcreg ^= mask;
+ } else {
+ u16 *srcreg,*shiftreg;
+ u16 mask;
+
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ shiftreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ bit = *shiftreg & 0xF;
+ mask = (u16)(0x1 << bit);
+ CONDITIONAL_SET_FLAG(*srcreg & mask,F_CF);
+ *srcreg ^= mask;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1284,49 +1284,49 @@ void x86emuOp2_bsf(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("BSF\n");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, *dstreg;
-
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_long(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 32; (*dstreg)++)
- if ((srcval >> *dstreg) & 1) break;
- } else {
- u16 srcval, *dstreg;
-
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_word(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 16; (*dstreg)++)
- if ((srcval >> *dstreg) & 1) break;
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg, *dstreg;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 32; (*dstreg)++)
- if ((*srcreg >> *dstreg) & 1) break;
- } else {
- u16 *srcreg, *dstreg;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
- for(*dstreg = 0; *dstreg < 16; (*dstreg)++)
- if ((*srcreg >> *dstreg) & 1) break;
- }
+ srcoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 srcval, *dstreg;
+
+ dstreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ srcval = fetch_data_long(srcoffset);
+ CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
+ for(*dstreg = 0; *dstreg < 32; (*dstreg)++)
+ if ((srcval >> *dstreg) & 1) break;
+ } else {
+ u16 srcval, *dstreg;
+
+ dstreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ srcval = fetch_data_word(srcoffset);
+ CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
+ for(*dstreg = 0; *dstreg < 16; (*dstreg)++)
+ if ((srcval >> *dstreg) & 1) break;
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg, *dstreg;
+
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ dstreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
+ for(*dstreg = 0; *dstreg < 32; (*dstreg)++)
+ if ((*srcreg >> *dstreg) & 1) break;
+ } else {
+ u16 *srcreg, *dstreg;
+
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ dstreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
+ for(*dstreg = 0; *dstreg < 16; (*dstreg)++)
+ if ((*srcreg >> *dstreg) & 1) break;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1345,49 +1345,49 @@ void x86emuOp2_bsr(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("BSF\n");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- srcoffset = decode_rmXX_address(mod, rl);
- DECODE_PRINTF(",");
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 srcval, *dstreg;
-
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_long(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 31; *dstreg > 0; (*dstreg)--)
- if ((srcval >> *dstreg) & 1) break;
- } else {
- u16 srcval, *dstreg;
-
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- srcval = fetch_data_word(srcoffset);
- CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
- for(*dstreg = 15; *dstreg > 0; (*dstreg)--)
- if ((srcval >> *dstreg) & 1) break;
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *srcreg, *dstreg;
-
- srcreg = DECODE_RM_LONG_REGISTER(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_LONG_REGISTER(rh);
- TRACE_AND_STEP();
- CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
- for(*dstreg = 31; *dstreg > 0; (*dstreg)--)
- if ((*srcreg >> *dstreg) & 1) break;
- } else {
- u16 *srcreg, *dstreg;
-
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF(",");
- dstreg = DECODE_RM_WORD_REGISTER(rh);
- TRACE_AND_STEP();
- CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
- for(*dstreg = 15; *dstreg > 0; (*dstreg)--)
- if ((*srcreg >> *dstreg) & 1) break;
- }
+ srcoffset = decode_rmXX_address(mod, rl);
+ DECODE_PRINTF(",");
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 srcval, *dstreg;
+
+ dstreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ srcval = fetch_data_long(srcoffset);
+ CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
+ for(*dstreg = 31; *dstreg > 0; (*dstreg)--)
+ if ((srcval >> *dstreg) & 1) break;
+ } else {
+ u16 srcval, *dstreg;
+
+ dstreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ srcval = fetch_data_word(srcoffset);
+ CONDITIONAL_SET_FLAG(srcval == 0, F_ZF);
+ for(*dstreg = 15; *dstreg > 0; (*dstreg)--)
+ if ((srcval >> *dstreg) & 1) break;
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *srcreg, *dstreg;
+
+ srcreg = DECODE_RM_LONG_REGISTER(rl);
+ DECODE_PRINTF(",");
+ dstreg = DECODE_RM_LONG_REGISTER(rh);
+ TRACE_AND_STEP();
+ CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
+ for(*dstreg = 31; *dstreg > 0; (*dstreg)--)
+ if ((*srcreg >> *dstreg) & 1) break;
+ } else {
+ u16 *srcreg, *dstreg;
+
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF(",");
+ dstreg = DECODE_RM_WORD_REGISTER(rh);
+ TRACE_AND_STEP();
+ CONDITIONAL_SET_FLAG(*srcreg == 0, F_ZF);
+ for(*dstreg = 15; *dstreg > 0; (*dstreg)--)
+ if ((*srcreg >> *dstreg) & 1) break;
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1406,51 +1406,51 @@ void x86emuOp2_movsx_byte_R_RM(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("MOVSX\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u32 srcval;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = (s32)((s8)fetch_data_byte(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else {
- u16 *destreg;
- u16 srcval;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = (s16)((s8)fetch_data_byte(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- }
- } else { /* register to register */
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- u32 *destreg;
- u8 *srcreg;
-
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = (s32)((s8)*srcreg);
- } else {
- u16 *destreg;
- u8 *srcreg;
-
- destreg = DECODE_RM_WORD_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_BYTE_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = (s16)((s8)*srcreg);
- }
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u32 srcval;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = (s32)((s8)fetch_data_byte(srcoffset));
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ } else {
+ u16 *destreg;
+ u16 srcval;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = (s16)((s8)fetch_data_byte(srcoffset));
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ }
+ } else { /* register to register */
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ u32 *destreg;
+ u8 *srcreg;
+
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = (s32)((s8)*srcreg);
+ } else {
+ u16 *destreg;
+ u8 *srcreg;
+
+ destreg = DECODE_RM_WORD_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_BYTE_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = (s16)((s8)*srcreg);
+ }
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1472,20 +1472,20 @@ void x86emuOp2_movsx_word_R_RM(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("MOVSX\t");
FETCH_DECODE_MODRM(mod, rh, rl);
if (mod < 3) {
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcoffset = decode_rmXX_address(mod, rl);
- srcval = (s32)((s16)fetch_data_word(srcoffset));
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = srcval;
- } else { /* register to register */
- destreg = DECODE_RM_LONG_REGISTER(rh);
- DECODE_PRINTF(",");
- srcreg = DECODE_RM_WORD_REGISTER(rl);
- DECODE_PRINTF("\n");
- TRACE_AND_STEP();
- *destreg = (s32)((s16)*srcreg);
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcoffset = decode_rmXX_address(mod, rl);
+ srcval = (s32)((s16)fetch_data_word(srcoffset));
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = srcval;
+ } else { /* register to register */
+ destreg = DECODE_RM_LONG_REGISTER(rh);
+ DECODE_PRINTF(",");
+ srcreg = DECODE_RM_WORD_REGISTER(rl);
+ DECODE_PRINTF("\n");
+ TRACE_AND_STEP();
+ *destreg = (s32)((s16)*srcreg);
}
DECODE_CLEAR_SEGOVR();
END_OF_INSTR();
@@ -1498,13 +1498,13 @@ void (*x86emu_optab2[256])(u8) __attribute__((section(".got2"))) =
{
/* 0x00 */ x86emuOp2_illegal_op, /* Group F (ring 0 PM) */
/* 0x01 */ x86emuOp2_illegal_op, /* Group G (ring 0 PM) */
-/* 0x02 */ x86emuOp2_illegal_op, /* lar (ring 0 PM) */
-/* 0x03 */ x86emuOp2_illegal_op, /* lsl (ring 0 PM) */
+/* 0x02 */ x86emuOp2_illegal_op, /* lar (ring 0 PM) */
+/* 0x03 */ x86emuOp2_illegal_op, /* lsl (ring 0 PM) */
/* 0x04 */ x86emuOp2_illegal_op,
/* 0x05 */ x86emuOp2_illegal_op, /* loadall (undocumented) */
-/* 0x06 */ x86emuOp2_illegal_op, /* clts (ring 0 PM) */
+/* 0x06 */ x86emuOp2_illegal_op, /* clts (ring 0 PM) */
/* 0x07 */ x86emuOp2_illegal_op, /* loadall (undocumented) */
-/* 0x08 */ x86emuOp2_illegal_op, /* invd (ring 0 PM) */
+/* 0x08 */ x86emuOp2_illegal_op, /* invd (ring 0 PM) */
/* 0x09 */ x86emuOp2_illegal_op, /* wbinvd (ring 0 PM) */
/* 0x0a */ x86emuOp2_illegal_op,
/* 0x0b */ x86emuOp2_illegal_op,
diff --git a/drivers/bios_emulator/x86emu/prim_ops.c b/drivers/bios_emulator/x86emu/prim_ops.c
index dc8cea8..e0827d7 100644
--- a/drivers/bios_emulator/x86emu/prim_ops.c
+++ b/drivers/bios_emulator/x86emu/prim_ops.c
@@ -1,10 +1,10 @@
/****************************************************************************
*
-* Realmode X86 Emulator Library
+* Realmode X86 Emulator Library
*
-* Copyright (C) 1991-2004 SciTech Software, Inc.
-* Copyright (C) David Mosberger-Tang
-* Copyright (C) 1999 Egbert Eich
+* Copyright (C) 1991-2004 SciTech Software, Inc.
+* Copyright (C) David Mosberger-Tang
+* Copyright (C) 1999 Egbert Eich
*
* ========================================================================
*
@@ -14,7 +14,7 @@
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of the authors not be used
* in advertising or publicity pertaining to distribution of the software
-* without specific, written prior permission. The authors makes no
+* without specific, written prior permission. The authors makes no
* representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
@@ -28,12 +28,12 @@
*
* ========================================================================
*
-* Language: ANSI C
-* Environment: Any
-* Developer: Kendall Bennett
+* Language: ANSI C
+* Environment: Any
+* Developer: Kendall Bennett
*
-* Description: This file contains the code to implement the primitive
-* machine operations used by the emulation code in ops.c
+* Description: This file contains the code to implement the primitive
+* machine operations used by the emulation code in ops.c
*
* Carry Chain Calculation
*
@@ -48,23 +48,23 @@
* So, given the following table, which represents the addition of two
* bits, we can derive a formula for the carry chain.
*
-* a b cin r cout
-* 0 0 0 0 0
-* 0 0 1 1 0
-* 0 1 0 1 0
-* 0 1 1 0 1
-* 1 0 0 1 0
-* 1 0 1 0 1
-* 1 1 0 0 1
-* 1 1 1 1 1
+* a b cin r cout
+* 0 0 0 0 0
+* 0 0 1 1 0
+* 0 1 0 1 0
+* 0 1 1 0 1
+* 1 0 0 1 0
+* 1 0 1 0 1
+* 1 1 0 0 1
+* 1 1 1 1 1
*
* Construction of table for cout:
*
* ab
-* r \ 00 01 11 10
+* r \ 00 01 11 10
* |------------------
-* 0 | 0 1 1 1
-* 1 | 0 0 1 0
+* 0 | 0 1 1 1
+* 1 | 0 0 1 0
*
* By inspection, one gets: cc = ab + r'(a + b)
*
@@ -75,25 +75,25 @@
* The following table represents the subtraction of two bits, from
* which we can derive a formula for the borrow chain.
*
-* a b bin r bout
-* 0 0 0 0 0
-* 0 0 1 1 1
-* 0 1 0 1 1
-* 0 1 1 0 1
-* 1 0 0 1 0
-* 1 0 1 0 0
-* 1 1 0 0 0
-* 1 1 1 1 1
+* a b bin r bout
+* 0 0 0 0 0
+* 0 0 1 1 1
+* 0 1 0 1 1
+* 0 1 1 0 1
+* 1 0 0 1 0
+* 1 0 1 0 0
+* 1 1 0 0 0
+* 1 1 1 1 1
*
* Construction of table for cout:
*
* ab
-* r \ 00 01 11 10
+* r \ 00 01 11 10
* |------------------
-* 0 | 0 1 0 0
-* 1 | 1 1 1 0
+* 0 | 0 1 0 0
+* 1 | 1 1 1 0
*
-* By inspection, one gets: bc = a'b + r(a' + b)
+* By inspection, one gets: bc = a'b + r(a' + b)
*
****************************************************************************/
@@ -115,7 +115,7 @@ static u32 x86emu_parity_tab[8] =
};
#define PARITY(x) (((x86emu_parity_tab[(x) / 32] >> ((x) % 32)) & 1) == 0)
-#define XOR2(x) (((x) ^ ((x)>>1)) & 0x1)
+#define XOR2(x) (((x) ^ ((x)>>1)) & 0x1)
/*----------------------------- Implementation ----------------------------*/
int abs(int v)
{
@@ -190,7 +190,7 @@ static void calc_carry_chain(int bits, u32 d, u32 s, u32 res, int set_carry)
CONDITIONAL_SET_FLAG(XOR2(cc >> (bits - 2)), F_OF);
CONDITIONAL_SET_FLAG(cc & 0x8, F_AF);
if (set_carry) {
- CONDITIONAL_SET_FLAG(res & (1 << bits), F_CF);
+ CONDITIONAL_SET_FLAG(res & (1 << bits), F_CF);
}
}
@@ -202,7 +202,7 @@ static void calc_borrow_chain(int bits, u32 d, u32 s, u32 res, int set_carry)
CONDITIONAL_SET_FLAG(XOR2(bc >> (bits - 2)), F_OF);
CONDITIONAL_SET_FLAG(bc & 0x8, F_AF);
if (set_carry) {
- CONDITIONAL_SET_FLAG(bc & (1 << (bits - 1)), F_CF);
+ CONDITIONAL_SET_FLAG(bc & (1 << (bits - 1)), F_CF);
}
}
@@ -214,13 +214,13 @@ u16 aaa_word(u16 d)
{
u16 res;
if ((d & 0xf) > 0x9 || ACCESS_FLAG(F_AF)) {
- d += 0x6;
- d += 0x100;
- SET_FLAG(F_AF);
- SET_FLAG(F_CF);
+ d += 0x6;
+ d += 0x100;
+ SET_FLAG(F_AF);
+ SET_FLAG(F_CF);
} else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_AF);
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_AF);
}
res = (u16)(d & 0xFF0F);
set_szp_flags_16(res);
@@ -235,13 +235,13 @@ u16 aas_word(u16 d)
{
u16 res;
if ((d & 0xf) > 0x9 || ACCESS_FLAG(F_AF)) {
- d -= 0x6;
- d -= 0x100;
- SET_FLAG(F_AF);
- SET_FLAG(F_CF);
+ d -= 0x6;
+ d -= 0x100;
+ SET_FLAG(F_AF);
+ SET_FLAG(F_CF);
} else {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_AF);
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_AF);
}
res = (u16)(d & 0xFF0F);
set_szp_flags_16(res);
@@ -308,7 +308,7 @@ u16 adc_word(u16 d, u16 s)
res = d + s;
if (ACCESS_FLAG(F_CF))
- res++;
+ res++;
set_szp_flags_16((u16)res);
calc_carry_chain(16,s,d,res,1);
@@ -330,8 +330,8 @@ u32 adc_long(u32 d, u32 s)
res = d + s;
if (ACCESS_FLAG(F_CF)) {
- lo++;
- res++;
+ lo++;
+ res++;
}
hi = (lo >> 16) + (d >> 16) + (s >> 16);
@@ -485,12 +485,12 @@ u8 daa_byte(u8 d)
{
u32 res = d;
if ((d & 0xf) > 9 || ACCESS_FLAG(F_AF)) {
- res += 6;
- SET_FLAG(F_AF);
+ res += 6;
+ SET_FLAG(F_AF);
}
if (res > 0x9F || ACCESS_FLAG(F_CF)) {
- res += 0x60;
- SET_FLAG(F_CF);
+ res += 0x60;
+ SET_FLAG(F_CF);
}
set_szp_flags_8((u8)res);
return (u8)res;
@@ -503,12 +503,12 @@ Implements the DAS instruction and side effects.
u8 das_byte(u8 d)
{
if ((d & 0xf) > 9 || ACCESS_FLAG(F_AF)) {
- d -= 6;
- SET_FLAG(F_AF);
+ d -= 6;
+ SET_FLAG(F_AF);
}
if (d > 0x9F || ACCESS_FLAG(F_CF)) {
- d -= 0x60;
- SET_FLAG(F_CF);
+ d -= 0x60;
+ SET_FLAG(F_CF);
}
set_szp_flags_8(d);
return d;
@@ -749,45 +749,45 @@ u8 rcl_byte(u8 d, u8 s)
original values, this can be expressed as:
IF n > 0
- 1) CF <- b_(8-n)
+ 1) CF <- b_(8-n)
2) B_(7) .. B_(n) <- b_(8-(n+1)) .. b_0
3) B_(n-1) <- cf
4) B_(n-2) .. B_0 <- b_7 .. b_(8-(n-1))
*/
res = d;
if ((cnt = s % 9) != 0) {
- /* extract the new CARRY FLAG. */
- /* CF <- b_(8-n) */
- cf = (d >> (8 - cnt)) & 0x1;
-
- /* get the low stuff which rotated
- into the range B_7 .. B_cnt */
- /* B_(7) .. B_(n) <- b_(8-(n+1)) .. b_0 */
- /* note that the right hand side done by the mask */
- res = (d << cnt) & 0xff;
-
- /* now the high stuff which rotated around
- into the positions B_cnt-2 .. B_0 */
- /* B_(n-2) .. B_0 <- b_7 .. b_(8-(n-1)) */
- /* shift it downward, 7-(n-2) = 9-n positions.
- and mask off the result before or'ing in.
- */
- mask = (1 << (cnt - 1)) - 1;
- res |= (d >> (9 - cnt)) & mask;
-
- /* if the carry flag was set, or it in. */
- if (ACCESS_FLAG(F_CF)) { /* carry flag is set */
- /* B_(n-1) <- cf */
- res |= 1 << (cnt - 1);
- }
- /* set the new carry flag, based on the variable "cf" */
- CONDITIONAL_SET_FLAG(cf, F_CF);
- /* OVERFLOW is set *IFF* cnt==1, then it is the
- xor of CF and the most significant bit. Blecck. */
- /* parenthesized this expression since it appears to
- be causing OF to be misset */
- CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 6) & 0x2)),
- F_OF);
+ /* extract the new CARRY FLAG. */
+ /* CF <- b_(8-n) */
+ cf = (d >> (8 - cnt)) & 0x1;
+
+ /* get the low stuff which rotated
+ into the range B_7 .. B_cnt */
+ /* B_(7) .. B_(n) <- b_(8-(n+1)) .. b_0 */
+ /* note that the right hand side done by the mask */
+ res = (d << cnt) & 0xff;
+
+ /* now the high stuff which rotated around
+ into the positions B_cnt-2 .. B_0 */
+ /* B_(n-2) .. B_0 <- b_7 .. b_(8-(n-1)) */
+ /* shift it downward, 7-(n-2) = 9-n positions.
+ and mask off the result before or'ing in.
+ */
+ mask = (1 << (cnt - 1)) - 1;
+ res |= (d >> (9 - cnt)) & mask;
+
+ /* if the carry flag was set, or it in. */
+ if (ACCESS_FLAG(F_CF)) { /* carry flag is set */
+ /* B_(n-1) <- cf */
+ res |= 1 << (cnt - 1);
+ }
+ /* set the new carry flag, based on the variable "cf" */
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ /* OVERFLOW is set *IFF* cnt==1, then it is the
+ xor of CF and the most significant bit. Blecck. */
+ /* parenthesized this expression since it appears to
+ be causing OF to be misset */
+ CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 6) & 0x2)),
+ F_OF);
}
return (u8)res;
@@ -803,16 +803,16 @@ u16 rcl_word(u16 d, u8 s)
res = d;
if ((cnt = s % 17) != 0) {
- cf = (d >> (16 - cnt)) & 0x1;
- res = (d << cnt) & 0xffff;
- mask = (1 << (cnt - 1)) - 1;
- res |= (d >> (17 - cnt)) & mask;
- if (ACCESS_FLAG(F_CF)) {
- res |= 1 << (cnt - 1);
- }
- CONDITIONAL_SET_FLAG(cf, F_CF);
- CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 14) & 0x2)),
- F_OF);
+ cf = (d >> (16 - cnt)) & 0x1;
+ res = (d << cnt) & 0xffff;
+ mask = (1 << (cnt - 1)) - 1;
+ res |= (d >> (17 - cnt)) & mask;
+ if (ACCESS_FLAG(F_CF)) {
+ res |= 1 << (cnt - 1);
+ }
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 14) & 0x2)),
+ F_OF);
}
return (u16)res;
}
@@ -827,16 +827,16 @@ u32 rcl_long(u32 d, u8 s)
res = d;
if ((cnt = s % 33) != 0) {
- cf = (d >> (32 - cnt)) & 0x1;
- res = (d << cnt) & 0xffffffff;
- mask = (1 << (cnt - 1)) - 1;
- res |= (d >> (33 - cnt)) & mask;
- if (ACCESS_FLAG(F_CF)) { /* carry flag is set */
- res |= 1 << (cnt - 1);
- }
- CONDITIONAL_SET_FLAG(cf, F_CF);
- CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 30) & 0x2)),
- F_OF);
+ cf = (d >> (32 - cnt)) & 0x1;
+ res = (d << cnt) & 0xffffffff;
+ mask = (1 << (cnt - 1)) - 1;
+ res |= (d >> (33 - cnt)) & mask;
+ if (ACCESS_FLAG(F_CF)) { /* carry flag is set */
+ res |= 1 << (cnt - 1);
+ }
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ CONDITIONAL_SET_FLAG(cnt == 1 && XOR2(cf + ((res >> 30) & 0x2)),
+ F_OF);
}
return res;
}
@@ -867,60 +867,60 @@ u8 rcr_byte(u8 d, u8 s)
original values, this can be expressed as:
IF n > 0
- 1) CF <- b_(n-1)
- 2) B_(8-(n+1)) .. B_(0) <- b_(7) .. b_(n)
+ 1) CF <- b_(n-1)
+ 2) B_(8-(n+1)) .. B_(0) <- b_(7) .. b_(n)
3) B_(8-n) <- cf
4) B_(7) .. B_(8-(n-1)) <- b_(n-2) .. b_(0)
*/
res = d;
if ((cnt = s % 9) != 0) {
- /* extract the new CARRY FLAG. */
- /* CF <- b_(n-1) */
- if (cnt == 1) {
- cf = d & 0x1;
- /* note hackery here. Access_flag(..) evaluates to either
- 0 if flag not set
- non-zero if flag is set.
- doing access_flag(..) != 0 casts that into either
- 0..1 in any representation of the flags register
- (i.e. packed bit array or unpacked.)
- */
- ocf = ACCESS_FLAG(F_CF) != 0;
- } else
- cf = (d >> (cnt - 1)) & 0x1;
-
- /* B_(8-(n+1)) .. B_(0) <- b_(7) .. b_n */
- /* note that the right hand side done by the mask
- This is effectively done by shifting the
- object to the right. The result must be masked,
- in case the object came in and was treated
- as a negative number. Needed??? */
-
- mask = (1 << (8 - cnt)) - 1;
- res = (d >> cnt) & mask;
-
- /* now the high stuff which rotated around
- into the positions B_cnt-2 .. B_0 */
- /* B_(7) .. B_(8-(n-1)) <- b_(n-2) .. b_(0) */
- /* shift it downward, 7-(n-2) = 9-n positions.
- and mask off the result before or'ing in.
- */
- res |= (d << (9 - cnt));
-
- /* if the carry flag was set, or it in. */
- if (ACCESS_FLAG(F_CF)) { /* carry flag is set */
- /* B_(8-n) <- cf */
- res |= 1 << (8 - cnt);
- }
- /* set the new carry flag, based on the variable "cf" */
- CONDITIONAL_SET_FLAG(cf, F_CF);
- /* OVERFLOW is set *IFF* cnt==1, then it is the
- xor of CF and the most significant bit. Blecck. */
- /* parenthesized... */
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 6) & 0x2)),
- F_OF);
- }
+ /* extract the new CARRY FLAG. */
+ /* CF <- b_(n-1) */
+ if (cnt == 1) {
+ cf = d & 0x1;
+ /* note hackery here. Access_flag(..) evaluates to either
+ 0 if flag not set
+ non-zero if flag is set.
+ doing access_flag(..) != 0 casts that into either
+ 0..1 in any representation of the flags register
+ (i.e. packed bit array or unpacked.)
+ */
+ ocf = ACCESS_FLAG(F_CF) != 0;
+ } else
+ cf = (d >> (cnt - 1)) & 0x1;
+
+ /* B_(8-(n+1)) .. B_(0) <- b_(7) .. b_n */
+ /* note that the right hand side done by the mask
+ This is effectively done by shifting the
+ object to the right. The result must be masked,
+ in case the object came in and was treated
+ as a negative number. Needed??? */
+
+ mask = (1 << (8 - cnt)) - 1;
+ res = (d >> cnt) & mask;
+
+ /* now the high stuff which rotated around
+ into the positions B_cnt-2 .. B_0 */
+ /* B_(7) .. B_(8-(n-1)) <- b_(n-2) .. b_(0) */
+ /* shift it downward, 7-(n-2) = 9-n positions.
+ and mask off the result before or'ing in.
+ */
+ res |= (d << (9 - cnt));
+
+ /* if the carry flag was set, or it in. */
+ if (ACCESS_FLAG(F_CF)) { /* carry flag is set */
+ /* B_(8-n) <- cf */
+ res |= 1 << (8 - cnt);
+ }
+ /* set the new carry flag, based on the variable "cf" */
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ /* OVERFLOW is set *IFF* cnt==1, then it is the
+ xor of CF and the most significant bit. Blecck. */
+ /* parenthesized... */
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 6) & 0x2)),
+ F_OF);
+ }
}
return (u8)res;
}
@@ -937,22 +937,22 @@ u16 rcr_word(u16 d, u8 s)
/* rotate right through carry */
res = d;
if ((cnt = s % 17) != 0) {
- if (cnt == 1) {
- cf = d & 0x1;
- ocf = ACCESS_FLAG(F_CF) != 0;
- } else
- cf = (d >> (cnt - 1)) & 0x1;
- mask = (1 << (16 - cnt)) - 1;
- res = (d >> cnt) & mask;
- res |= (d << (17 - cnt));
- if (ACCESS_FLAG(F_CF)) {
- res |= 1 << (16 - cnt);
- }
- CONDITIONAL_SET_FLAG(cf, F_CF);
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 14) & 0x2)),
- F_OF);
- }
+ if (cnt == 1) {
+ cf = d & 0x1;
+ ocf = ACCESS_FLAG(F_CF) != 0;
+ } else
+ cf = (d >> (cnt - 1)) & 0x1;
+ mask = (1 << (16 - cnt)) - 1;
+ res = (d >> cnt) & mask;
+ res |= (d << (17 - cnt));
+ if (ACCESS_FLAG(F_CF)) {
+ res |= 1 << (16 - cnt);
+ }
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 14) & 0x2)),
+ F_OF);
+ }
}
return (u16)res;
}
@@ -969,23 +969,23 @@ u32 rcr_long(u32 d, u8 s)
/* rotate right through carry */
res = d;
if ((cnt = s % 33) != 0) {
- if (cnt == 1) {
- cf = d & 0x1;
- ocf = ACCESS_FLAG(F_CF) != 0;
- } else
- cf = (d >> (cnt - 1)) & 0x1;
- mask = (1 << (32 - cnt)) - 1;
- res = (d >> cnt) & mask;
- if (cnt != 1)
- res |= (d << (33 - cnt));
- if (ACCESS_FLAG(F_CF)) { /* carry flag is set */
- res |= 1 << (32 - cnt);
- }
- CONDITIONAL_SET_FLAG(cf, F_CF);
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 30) & 0x2)),
- F_OF);
- }
+ if (cnt == 1) {
+ cf = d & 0x1;
+ ocf = ACCESS_FLAG(F_CF) != 0;
+ } else
+ cf = (d >> (cnt - 1)) & 0x1;
+ mask = (1 << (32 - cnt)) - 1;
+ res = (d >> cnt) & mask;
+ if (cnt != 1)
+ res |= (d << (33 - cnt));
+ if (ACCESS_FLAG(F_CF)) { /* carry flag is set */
+ res |= 1 << (32 - cnt);
+ }
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG(XOR2(ocf + ((d >> 30) & 0x2)),
+ F_OF);
+ }
}
return res;
}
@@ -1016,25 +1016,25 @@ u8 rol_byte(u8 d, u8 s)
*/
res = d;
if ((cnt = s % 8) != 0) {
- /* B_(7) .. B_(n) <- b_(8-(n+1)) .. b_(0) */
- res = (d << cnt);
-
- /* B_(n-1) .. B_(0) <- b_(7) .. b_(8-n) */
- mask = (1 << cnt) - 1;
- res |= (d >> (8 - cnt)) & mask;
-
- /* set the new carry flag, Note that it is the low order
- bit of the result!!! */
- CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
- /* OVERFLOW is set *IFF* s==1, then it is the
- xor of CF and the most significant bit. Blecck. */
- CONDITIONAL_SET_FLAG(s == 1 &&
- XOR2((res & 0x1) + ((res >> 6) & 0x2)),
- F_OF);
+ /* B_(7) .. B_(n) <- b_(8-(n+1)) .. b_(0) */
+ res = (d << cnt);
+
+ /* B_(n-1) .. B_(0) <- b_(7) .. b_(8-n) */
+ mask = (1 << cnt) - 1;
+ res |= (d >> (8 - cnt)) & mask;
+
+ /* set the new carry flag, Note that it is the low order
+ bit of the result!!! */
+ CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+ /* OVERFLOW is set *IFF* s==1, then it is the
+ xor of CF and the most significant bit. Blecck. */
+ CONDITIONAL_SET_FLAG(s == 1 &&
+ XOR2((res & 0x1) + ((res >> 6) & 0x2)),
+ F_OF);
} if (s != 0) {
- /* set the new carry flag, Note that it is the low order
- bit of the result!!! */
- CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+ /* set the new carry flag, Note that it is the low order
+ bit of the result!!! */
+ CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
}
return (u8)res;
}
@@ -1049,17 +1049,17 @@ u16 rol_word(u16 d, u8 s)
res = d;
if ((cnt = s % 16) != 0) {
- res = (d << cnt);
- mask = (1 << cnt) - 1;
- res |= (d >> (16 - cnt)) & mask;
- CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
- CONDITIONAL_SET_FLAG(s == 1 &&
- XOR2((res & 0x1) + ((res >> 14) & 0x2)),
- F_OF);
+ res = (d << cnt);
+ mask = (1 << cnt) - 1;
+ res |= (d >> (16 - cnt)) & mask;
+ CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+ CONDITIONAL_SET_FLAG(s == 1 &&
+ XOR2((res & 0x1) + ((res >> 14) & 0x2)),
+ F_OF);
} if (s != 0) {
- /* set the new carry flag, Note that it is the low order
- bit of the result!!! */
- CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+ /* set the new carry flag, Note that it is the low order
+ bit of the result!!! */
+ CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
}
return (u16)res;
}
@@ -1074,17 +1074,17 @@ u32 rol_long(u32 d, u8 s)
res = d;
if ((cnt = s % 32) != 0) {
- res = (d << cnt);
- mask = (1 << cnt) - 1;
- res |= (d >> (32 - cnt)) & mask;
- CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
- CONDITIONAL_SET_FLAG(s == 1 &&
- XOR2((res & 0x1) + ((res >> 30) & 0x2)),
- F_OF);
+ res = (d << cnt);
+ mask = (1 << cnt) - 1;
+ res |= (d >> (32 - cnt)) & mask;
+ CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+ CONDITIONAL_SET_FLAG(s == 1 &&
+ XOR2((res & 0x1) + ((res >> 30) & 0x2)),
+ F_OF);
} if (s != 0) {
- /* set the new carry flag, Note that it is the low order
- bit of the result!!! */
- CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
+ /* set the new carry flag, Note that it is the low order
+ bit of the result!!! */
+ CONDITIONAL_SET_FLAG(res & 0x1, F_CF);
}
return res;
}
@@ -1109,28 +1109,28 @@ u8 ror_byte(u8 d, u8 s)
The rotate is done mod 8.
IF n > 0
- 1) B_(8-(n+1)) .. B_(0) <- b_(7) .. b_(n)
+ 1) B_(8-(n+1)) .. B_(0) <- b_(7) .. b_(n)
2) B_(7) .. B_(8-n) <- b_(n-1) .. b_(0)
*/
res = d;
- if ((cnt = s % 8) != 0) { /* not a typo, do nada if cnt==0 */
- /* B_(7) .. B_(8-n) <- b_(n-1) .. b_(0) */
- res = (d << (8 - cnt));
-
- /* B_(8-(n+1)) .. B_(0) <- b_(7) .. b_(n) */
- mask = (1 << (8 - cnt)) - 1;
- res |= (d >> (cnt)) & mask;
-
- /* set the new carry flag, Note that it is the low order
- bit of the result!!! */
- CONDITIONAL_SET_FLAG(res & 0x80, F_CF);
- /* OVERFLOW is set *IFF* s==1, then it is the
- xor of the two most significant bits. Blecck. */
- CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 6), F_OF);
+ if ((cnt = s % 8) != 0) { /* not a typo, do nada if cnt==0 */
+ /* B_(7) .. B_(8-n) <- b_(n-1) .. b_(0) */
+ res = (d << (8 - cnt));
+
+ /* B_(8-(n+1)) .. B_(0) <- b_(7) .. b_(n) */
+ mask = (1 << (8 - cnt)) - 1;
+ res |= (d >> (cnt)) & mask;
+
+ /* set the new carry flag, Note that it is the low order
+ bit of the result!!! */
+ CONDITIONAL_SET_FLAG(res & 0x80, F_CF);
+ /* OVERFLOW is set *IFF* s==1, then it is the
+ xor of the two most significant bits. Blecck. */
+ CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 6), F_OF);
} else if (s != 0) {
- /* set the new carry flag, Note that it is the low order
- bit of the result!!! */
- CONDITIONAL_SET_FLAG(res & 0x80, F_CF);
+ /* set the new carry flag, Note that it is the low order
+ bit of the result!!! */
+ CONDITIONAL_SET_FLAG(res & 0x80, F_CF);
}
return (u8)res;
}
@@ -1145,15 +1145,15 @@ u16 ror_word(u16 d, u8 s)
res = d;
if ((cnt = s % 16) != 0) {
- res = (d << (16 - cnt));
- mask = (1 << (16 - cnt)) - 1;
- res |= (d >> (cnt)) & mask;
- CONDITIONAL_SET_FLAG(res & 0x8000, F_CF);
- CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 14), F_OF);
+ res = (d << (16 - cnt));
+ mask = (1 << (16 - cnt)) - 1;
+ res |= (d >> (cnt)) & mask;
+ CONDITIONAL_SET_FLAG(res & 0x8000, F_CF);
+ CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 14), F_OF);
} else if (s != 0) {
- /* set the new carry flag, Note that it is the low order
- bit of the result!!! */
- CONDITIONAL_SET_FLAG(res & 0x8000, F_CF);
+ /* set the new carry flag, Note that it is the low order
+ bit of the result!!! */
+ CONDITIONAL_SET_FLAG(res & 0x8000, F_CF);
}
return (u16)res;
}
@@ -1168,15 +1168,15 @@ u32 ror_long(u32 d, u8 s)
res = d;
if ((cnt = s % 32) != 0) {
- res = (d << (32 - cnt));
- mask = (1 << (32 - cnt)) - 1;
- res |= (d >> (cnt)) & mask;
- CONDITIONAL_SET_FLAG(res & 0x80000000, F_CF);
- CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 30), F_OF);
+ res = (d << (32 - cnt));
+ mask = (1 << (32 - cnt)) - 1;
+ res |= (d >> (cnt)) & mask;
+ CONDITIONAL_SET_FLAG(res & 0x80000000, F_CF);
+ CONDITIONAL_SET_FLAG(s == 1 && XOR2(res >> 30), F_OF);
} else if (s != 0) {
- /* set the new carry flag, Note that it is the low order
- bit of the result!!! */
- CONDITIONAL_SET_FLAG(res & 0x80000000, F_CF);
+ /* set the new carry flag, Note that it is the low order
+ bit of the result!!! */
+ CONDITIONAL_SET_FLAG(res & 0x80000000, F_CF);
}
return res;
}
@@ -1190,35 +1190,35 @@ u8 shl_byte(u8 d, u8 s)
unsigned int cnt, res, cf;
if (s < 8) {
- cnt = s % 8;
-
- /* last bit shifted out goes into carry flag */
- if (cnt > 0) {
- res = d << cnt;
- cf = d & (1 << (8 - cnt));
- CONDITIONAL_SET_FLAG(cf, F_CF);
- set_szp_flags_8((u8)res);
- } else {
- res = (u8) d;
- }
-
- if (cnt == 1) {
- /* Needs simplification. */
- CONDITIONAL_SET_FLAG(
- (((res & 0x80) == 0x80) ^
- (ACCESS_FLAG(F_CF) != 0)),
- /* was (M.x86.R_FLG&F_CF)==F_CF)), */
- F_OF);
- } else {
- CLEAR_FLAG(F_OF);
- }
+ cnt = s % 8;
+
+ /* last bit shifted out goes into carry flag */
+ if (cnt > 0) {
+ res = d << cnt;
+ cf = d & (1 << (8 - cnt));
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ set_szp_flags_8((u8)res);
+ } else {
+ res = (u8) d;
+ }
+
+ if (cnt == 1) {
+ /* Needs simplification. */
+ CONDITIONAL_SET_FLAG(
+ (((res & 0x80) == 0x80) ^
+ (ACCESS_FLAG(F_CF) != 0)),
+ /* was (M.x86.R_FLG&F_CF)==F_CF)), */
+ F_OF);
+ } else {
+ CLEAR_FLAG(F_OF);
+ }
} else {
- res = 0;
- CONDITIONAL_SET_FLAG((d << (s-1)) & 0x80, F_CF);
- CLEAR_FLAG(F_OF);
- CLEAR_FLAG(F_SF);
- SET_FLAG(F_PF);
- SET_FLAG(F_ZF);
+ res = 0;
+ CONDITIONAL_SET_FLAG((d << (s-1)) & 0x80, F_CF);
+ CLEAR_FLAG(F_OF);
+ CLEAR_FLAG(F_SF);
+ SET_FLAG(F_PF);
+ SET_FLAG(F_ZF);
}
return (u8)res;
}
@@ -1232,31 +1232,31 @@ u16 shl_word(u16 d, u8 s)
unsigned int cnt, res, cf;
if (s < 16) {
- cnt = s % 16;
- if (cnt > 0) {
- res = d << cnt;
- cf = d & (1 << (16 - cnt));
- CONDITIONAL_SET_FLAG(cf, F_CF);
- set_szp_flags_16((u16)res);
- } else {
- res = (u16) d;
- }
-
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG(
- (((res & 0x8000) == 0x8000) ^
- (ACCESS_FLAG(F_CF) != 0)),
- F_OF);
- } else {
- CLEAR_FLAG(F_OF);
- }
+ cnt = s % 16;
+ if (cnt > 0) {
+ res = d << cnt;
+ cf = d & (1 << (16 - cnt));
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ set_szp_flags_16((u16)res);
+ } else {
+ res = (u16) d;
+ }
+
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG(
+ (((res & 0x8000) == 0x8000) ^
+ (ACCESS_FLAG(F_CF) != 0)),
+ F_OF);
+ } else {
+ CLEAR_FLAG(F_OF);
+ }
} else {
- res = 0;
- CONDITIONAL_SET_FLAG((d << (s-1)) & 0x8000, F_CF);
- CLEAR_FLAG(F_OF);
- CLEAR_FLAG(F_SF);
- SET_FLAG(F_PF);
- SET_FLAG(F_ZF);
+ res = 0;
+ CONDITIONAL_SET_FLAG((d << (s-1)) & 0x8000, F_CF);
+ CLEAR_FLAG(F_OF);
+ CLEAR_FLAG(F_SF);
+ SET_FLAG(F_PF);
+ SET_FLAG(F_ZF);
}
return (u16)res;
}
@@ -1270,28 +1270,28 @@ u32 shl_long(u32 d, u8 s)
unsigned int cnt, res, cf;
if (s < 32) {
- cnt = s % 32;
- if (cnt > 0) {
- res = d << cnt;
- cf = d & (1 << (32 - cnt));
- CONDITIONAL_SET_FLAG(cf, F_CF);
- set_szp_flags_32((u32)res);
- } else {
- res = d;
- }
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG((((res & 0x80000000) == 0x80000000) ^
- (ACCESS_FLAG(F_CF) != 0)), F_OF);
- } else {
- CLEAR_FLAG(F_OF);
- }
+ cnt = s % 32;
+ if (cnt > 0) {
+ res = d << cnt;
+ cf = d & (1 << (32 - cnt));
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ set_szp_flags_32((u32)res);
+ } else {
+ res = d;
+ }
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG((((res & 0x80000000) == 0x80000000) ^
+ (ACCESS_FLAG(F_CF) != 0)), F_OF);
+ } else {
+ CLEAR_FLAG(F_OF);
+ }
} else {
- res = 0;
- CONDITIONAL_SET_FLAG((d << (s-1)) & 0x80000000, F_CF);
- CLEAR_FLAG(F_OF);
- CLEAR_FLAG(F_SF);
- SET_FLAG(F_PF);
- SET_FLAG(F_ZF);
+ res = 0;
+ CONDITIONAL_SET_FLAG((d << (s-1)) & 0x80000000, F_CF);
+ CLEAR_FLAG(F_OF);
+ CLEAR_FLAG(F_SF);
+ SET_FLAG(F_PF);
+ SET_FLAG(F_ZF);
}
return res;
}
@@ -1305,28 +1305,28 @@ u8 shr_byte(u8 d, u8 s)
unsigned int cnt, res, cf;
if (s < 8) {
- cnt = s % 8;
- if (cnt > 0) {
- cf = d & (1 << (cnt - 1));
- res = d >> cnt;
- CONDITIONAL_SET_FLAG(cf, F_CF);
- set_szp_flags_8((u8)res);
- } else {
- res = (u8) d;
- }
-
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG(XOR2(res >> 6), F_OF);
- } else {
- CLEAR_FLAG(F_OF);
- }
+ cnt = s % 8;
+ if (cnt > 0) {
+ cf = d & (1 << (cnt - 1));
+ res = d >> cnt;
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ set_szp_flags_8((u8)res);
+ } else {
+ res = (u8) d;
+ }
+
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG(XOR2(res >> 6), F_OF);
+ } else {
+ CLEAR_FLAG(F_OF);
+ }
} else {
- res = 0;
- CONDITIONAL_SET_FLAG((d >> (s-1)) & 0x1, F_CF);
- CLEAR_FLAG(F_OF);
- CLEAR_FLAG(F_SF);
- SET_FLAG(F_PF);
- SET_FLAG(F_ZF);
+ res = 0;
+ CONDITIONAL_SET_FLAG((d >> (s-1)) & 0x1, F_CF);
+ CLEAR_FLAG(F_OF);
+ CLEAR_FLAG(F_SF);
+ SET_FLAG(F_PF);
+ SET_FLAG(F_ZF);
}
return (u8)res;
}
@@ -1340,28 +1340,28 @@ u16 shr_word(u16 d, u8 s)
unsigned int cnt, res, cf;
if (s < 16) {
- cnt = s % 16;
- if (cnt > 0) {
- cf = d & (1 << (cnt - 1));
- res = d >> cnt;
- CONDITIONAL_SET_FLAG(cf, F_CF);
- set_szp_flags_16((u16)res);
- } else {
- res = d;
- }
-
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG(XOR2(res >> 14), F_OF);
- } else {
- CLEAR_FLAG(F_OF);
- }
+ cnt = s % 16;
+ if (cnt > 0) {
+ cf = d & (1 << (cnt - 1));
+ res = d >> cnt;
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ set_szp_flags_16((u16)res);
+ } else {
+ res = d;
+ }
+
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG(XOR2(res >> 14), F_OF);
+ } else {
+ CLEAR_FLAG(F_OF);
+ }
} else {
- res = 0;
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- SET_FLAG(F_ZF);
- CLEAR_FLAG(F_SF);
- CLEAR_FLAG(F_PF);
+ res = 0;
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ SET_FLAG(F_ZF);
+ CLEAR_FLAG(F_SF);
+ CLEAR_FLAG(F_PF);
}
return (u16)res;
}
@@ -1375,27 +1375,27 @@ u32 shr_long(u32 d, u8 s)
unsigned int cnt, res, cf;
if (s < 32) {
- cnt = s % 32;
- if (cnt > 0) {
- cf = d & (1 << (cnt - 1));
- res = d >> cnt;
- CONDITIONAL_SET_FLAG(cf, F_CF);
- set_szp_flags_32((u32)res);
- } else {
- res = d;
- }
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG(XOR2(res >> 30), F_OF);
- } else {
- CLEAR_FLAG(F_OF);
- }
+ cnt = s % 32;
+ if (cnt > 0) {
+ cf = d & (1 << (cnt - 1));
+ res = d >> cnt;
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ set_szp_flags_32((u32)res);
+ } else {
+ res = d;
+ }
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG(XOR2(res >> 30), F_OF);
+ } else {
+ CLEAR_FLAG(F_OF);
+ }
} else {
- res = 0;
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- SET_FLAG(F_ZF);
- CLEAR_FLAG(F_SF);
- CLEAR_FLAG(F_PF);
+ res = 0;
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ SET_FLAG(F_ZF);
+ CLEAR_FLAG(F_SF);
+ CLEAR_FLAG(F_PF);
}
return res;
}
@@ -1412,28 +1412,28 @@ u8 sar_byte(u8 d, u8 s)
sf = d & 0x80;
cnt = s % 8;
if (cnt > 0 && cnt < 8) {
- mask = (1 << (8 - cnt)) - 1;
- cf = d & (1 << (cnt - 1));
- res = (d >> cnt) & mask;
- CONDITIONAL_SET_FLAG(cf, F_CF);
- if (sf) {
- res |= ~mask;
- }
- set_szp_flags_8((u8)res);
+ mask = (1 << (8 - cnt)) - 1;
+ cf = d & (1 << (cnt - 1));
+ res = (d >> cnt) & mask;
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ if (sf) {
+ res |= ~mask;
+ }
+ set_szp_flags_8((u8)res);
} else if (cnt >= 8) {
- if (sf) {
- res = 0xff;
- SET_FLAG(F_CF);
- CLEAR_FLAG(F_ZF);
- SET_FLAG(F_SF);
- SET_FLAG(F_PF);
- } else {
- res = 0;
- CLEAR_FLAG(F_CF);
- SET_FLAG(F_ZF);
- CLEAR_FLAG(F_SF);
- CLEAR_FLAG(F_PF);
- }
+ if (sf) {
+ res = 0xff;
+ SET_FLAG(F_CF);
+ CLEAR_FLAG(F_ZF);
+ SET_FLAG(F_SF);
+ SET_FLAG(F_PF);
+ } else {
+ res = 0;
+ CLEAR_FLAG(F_CF);
+ SET_FLAG(F_ZF);
+ CLEAR_FLAG(F_SF);
+ CLEAR_FLAG(F_PF);
+ }
}
return (u8)res;
}
@@ -1450,28 +1450,28 @@ u16 sar_word(u16 d, u8 s)
cnt = s % 16;
res = d;
if (cnt > 0 && cnt < 16) {
- mask = (1 << (16 - cnt)) - 1;
- cf = d & (1 << (cnt - 1));
- res = (d >> cnt) & mask;
- CONDITIONAL_SET_FLAG(cf, F_CF);
- if (sf) {
- res |= ~mask;
- }
- set_szp_flags_16((u16)res);
+ mask = (1 << (16 - cnt)) - 1;
+ cf = d & (1 << (cnt - 1));
+ res = (d >> cnt) & mask;
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ if (sf) {
+ res |= ~mask;
+ }
+ set_szp_flags_16((u16)res);
} else if (cnt >= 16) {
- if (sf) {
- res = 0xffff;
- SET_FLAG(F_CF);
- CLEAR_FLAG(F_ZF);
- SET_FLAG(F_SF);
- SET_FLAG(F_PF);
- } else {
- res = 0;
- CLEAR_FLAG(F_CF);
- SET_FLAG(F_ZF);
- CLEAR_FLAG(F_SF);
- CLEAR_FLAG(F_PF);
- }
+ if (sf) {
+ res = 0xffff;
+ SET_FLAG(F_CF);
+ CLEAR_FLAG(F_ZF);
+ SET_FLAG(F_SF);
+ SET_FLAG(F_PF);
+ } else {
+ res = 0;
+ CLEAR_FLAG(F_CF);
+ SET_FLAG(F_ZF);
+ CLEAR_FLAG(F_SF);
+ CLEAR_FLAG(F_PF);
+ }
}
return (u16)res;
}
@@ -1488,28 +1488,28 @@ u32 sar_long(u32 d, u8 s)
cnt = s % 32;
res = d;
if (cnt > 0 && cnt < 32) {
- mask = (1 << (32 - cnt)) - 1;
- cf = d & (1 << (cnt - 1));
- res = (d >> cnt) & mask;
- CONDITIONAL_SET_FLAG(cf, F_CF);
- if (sf) {
- res |= ~mask;
- }
- set_szp_flags_32(res);
+ mask = (1 << (32 - cnt)) - 1;
+ cf = d & (1 << (cnt - 1));
+ res = (d >> cnt) & mask;
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ if (sf) {
+ res |= ~mask;
+ }
+ set_szp_flags_32(res);
} else if (cnt >= 32) {
- if (sf) {
- res = 0xffffffff;
- SET_FLAG(F_CF);
- CLEAR_FLAG(F_ZF);
- SET_FLAG(F_SF);
- SET_FLAG(F_PF);
- } else {
- res = 0;
- CLEAR_FLAG(F_CF);
- SET_FLAG(F_ZF);
- CLEAR_FLAG(F_SF);
- CLEAR_FLAG(F_PF);
- }
+ if (sf) {
+ res = 0xffffffff;
+ SET_FLAG(F_CF);
+ CLEAR_FLAG(F_ZF);
+ SET_FLAG(F_SF);
+ SET_FLAG(F_PF);
+ } else {
+ res = 0;
+ CLEAR_FLAG(F_CF);
+ SET_FLAG(F_ZF);
+ CLEAR_FLAG(F_SF);
+ CLEAR_FLAG(F_PF);
+ }
}
return res;
}
@@ -1523,28 +1523,28 @@ u16 shld_word (u16 d, u16 fill, u8 s)
unsigned int cnt, res, cf;
if (s < 16) {
- cnt = s % 16;
- if (cnt > 0) {
- res = (d << cnt) | (fill >> (16-cnt));
- cf = d & (1 << (16 - cnt));
- CONDITIONAL_SET_FLAG(cf, F_CF);
- set_szp_flags_16((u16)res);
- } else {
- res = d;
- }
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG((((res & 0x8000) == 0x8000) ^
- (ACCESS_FLAG(F_CF) != 0)), F_OF);
- } else {
- CLEAR_FLAG(F_OF);
- }
+ cnt = s % 16;
+ if (cnt > 0) {
+ res = (d << cnt) | (fill >> (16-cnt));
+ cf = d & (1 << (16 - cnt));
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ set_szp_flags_16((u16)res);
+ } else {
+ res = d;
+ }
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG((((res & 0x8000) == 0x8000) ^
+ (ACCESS_FLAG(F_CF) != 0)), F_OF);
+ } else {
+ CLEAR_FLAG(F_OF);
+ }
} else {
- res = 0;
- CONDITIONAL_SET_FLAG((d << (s-1)) & 0x8000, F_CF);
- CLEAR_FLAG(F_OF);
- CLEAR_FLAG(F_SF);
- SET_FLAG(F_PF);
- SET_FLAG(F_ZF);
+ res = 0;
+ CONDITIONAL_SET_FLAG((d << (s-1)) & 0x8000, F_CF);
+ CLEAR_FLAG(F_OF);
+ CLEAR_FLAG(F_SF);
+ SET_FLAG(F_PF);
+ SET_FLAG(F_ZF);
}
return (u16)res;
}
@@ -1558,28 +1558,28 @@ u32 shld_long (u32 d, u32 fill, u8 s)
unsigned int cnt, res, cf;
if (s < 32) {
- cnt = s % 32;
- if (cnt > 0) {
- res = (d << cnt) | (fill >> (32-cnt));
- cf = d & (1 << (32 - cnt));
- CONDITIONAL_SET_FLAG(cf, F_CF);
- set_szp_flags_32((u32)res);
- } else {
- res = d;
- }
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG((((res & 0x80000000) == 0x80000000) ^
- (ACCESS_FLAG(F_CF) != 0)), F_OF);
- } else {
- CLEAR_FLAG(F_OF);
- }
+ cnt = s % 32;
+ if (cnt > 0) {
+ res = (d << cnt) | (fill >> (32-cnt));
+ cf = d & (1 << (32 - cnt));
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ set_szp_flags_32((u32)res);
+ } else {
+ res = d;
+ }
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG((((res & 0x80000000) == 0x80000000) ^
+ (ACCESS_FLAG(F_CF) != 0)), F_OF);
+ } else {
+ CLEAR_FLAG(F_OF);
+ }
} else {
- res = 0;
- CONDITIONAL_SET_FLAG((d << (s-1)) & 0x80000000, F_CF);
- CLEAR_FLAG(F_OF);
- CLEAR_FLAG(F_SF);
- SET_FLAG(F_PF);
- SET_FLAG(F_ZF);
+ res = 0;
+ CONDITIONAL_SET_FLAG((d << (s-1)) & 0x80000000, F_CF);
+ CLEAR_FLAG(F_OF);
+ CLEAR_FLAG(F_SF);
+ SET_FLAG(F_PF);
+ SET_FLAG(F_ZF);
}
return res;
}
@@ -1593,28 +1593,28 @@ u16 shrd_word (u16 d, u16 fill, u8 s)
unsigned int cnt, res, cf;
if (s < 16) {
- cnt = s % 16;
- if (cnt > 0) {
- cf = d & (1 << (cnt - 1));
- res = (d >> cnt) | (fill << (16 - cnt));
- CONDITIONAL_SET_FLAG(cf, F_CF);
- set_szp_flags_16((u16)res);
- } else {
- res = d;
- }
-
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG(XOR2(res >> 14), F_OF);
- } else {
- CLEAR_FLAG(F_OF);
- }
+ cnt = s % 16;
+ if (cnt > 0) {
+ cf = d & (1 << (cnt - 1));
+ res = (d >> cnt) | (fill << (16 - cnt));
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ set_szp_flags_16((u16)res);
+ } else {
+ res = d;
+ }
+
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG(XOR2(res >> 14), F_OF);
+ } else {
+ CLEAR_FLAG(F_OF);
+ }
} else {
- res = 0;
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- SET_FLAG(F_ZF);
- CLEAR_FLAG(F_SF);
- CLEAR_FLAG(F_PF);
+ res = 0;
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ SET_FLAG(F_ZF);
+ CLEAR_FLAG(F_SF);
+ CLEAR_FLAG(F_PF);
}
return (u16)res;
}
@@ -1628,27 +1628,27 @@ u32 shrd_long (u32 d, u32 fill, u8 s)
unsigned int cnt, res, cf;
if (s < 32) {
- cnt = s % 32;
- if (cnt > 0) {
- cf = d & (1 << (cnt - 1));
- res = (d >> cnt) | (fill << (32 - cnt));
- CONDITIONAL_SET_FLAG(cf, F_CF);
- set_szp_flags_32((u32)res);
- } else {
- res = d;
- }
- if (cnt == 1) {
- CONDITIONAL_SET_FLAG(XOR2(res >> 30), F_OF);
- } else {
- CLEAR_FLAG(F_OF);
- }
+ cnt = s % 32;
+ if (cnt > 0) {
+ cf = d & (1 << (cnt - 1));
+ res = (d >> cnt) | (fill << (32 - cnt));
+ CONDITIONAL_SET_FLAG(cf, F_CF);
+ set_szp_flags_32((u32)res);
+ } else {
+ res = d;
+ }
+ if (cnt == 1) {
+ CONDITIONAL_SET_FLAG(XOR2(res >> 30), F_OF);
+ } else {
+ CLEAR_FLAG(F_OF);
+ }
} else {
- res = 0;
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
- SET_FLAG(F_ZF);
- CLEAR_FLAG(F_SF);
- CLEAR_FLAG(F_PF);
+ res = 0;
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
+ SET_FLAG(F_ZF);
+ CLEAR_FLAG(F_SF);
+ CLEAR_FLAG(F_PF);
}
return res;
}
@@ -1663,9 +1663,9 @@ u8 sbb_byte(u8 d, u8 s)
u32 bc;
if (ACCESS_FLAG(F_CF))
- res = d - s - 1;
+ res = d - s - 1;
else
- res = d - s;
+ res = d - s;
set_szp_flags_8((u8)res);
/* calculate the borrow chain. See note at top */
@@ -1686,9 +1686,9 @@ u16 sbb_word(u16 d, u16 s)
u32 bc;
if (ACCESS_FLAG(F_CF))
- res = d - s - 1;
+ res = d - s - 1;
else
- res = d - s;
+ res = d - s;
set_szp_flags_16((u16)res);
/* calculate the borrow chain. See note at top */
@@ -1709,9 +1709,9 @@ u32 sbb_long(u32 d, u32 s)
u32 bc;
if (ACCESS_FLAG(F_CF))
- res = d - s - 1;
+ res = d - s - 1;
else
- res = d - s;
+ res = d - s;
set_szp_flags_32(res);
@@ -1880,12 +1880,12 @@ void imul_byte(u8 s)
M.x86.R_AX = res;
if (((M.x86.R_AL & 0x80) == 0 && M.x86.R_AH == 0x00) ||
- ((M.x86.R_AL & 0x80) != 0 && M.x86.R_AH == 0xFF)) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
+ ((M.x86.R_AL & 0x80) != 0 && M.x86.R_AH == 0xFF)) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
} else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
}
}
@@ -1900,12 +1900,12 @@ void imul_word(u16 s)
M.x86.R_AX = (u16)res;
M.x86.R_DX = (u16)(res >> 16);
if (((M.x86.R_AX & 0x8000) == 0 && M.x86.R_DX == 0x0000) ||
- ((M.x86.R_AX & 0x8000) != 0 && M.x86.R_DX == 0xFFFF)) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
+ ((M.x86.R_AX & 0x8000) != 0 && M.x86.R_DX == 0xFFFF)) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
} else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
}
}
@@ -1915,7 +1915,7 @@ Implements the IMUL instruction and side effects.
****************************************************************************/
void imul_long_direct(u32 *res_lo, u32* res_hi,u32 d, u32 s)
{
-#ifdef __HAS_LONG_LONG__
+#ifdef __HAS_LONG_LONG__
s64 res = (s32)d * (s32)s;
*res_lo = (u32)res;
@@ -1926,11 +1926,11 @@ void imul_long_direct(u32 *res_lo, u32* res_hi,u32 d, u32 s)
u32 rlo_lo,rlo_hi,rhi_lo;
if ((d_sign = d & 0x80000000) != 0)
- d = -d;
+ d = -d;
d_lo = d & 0xFFFF;
d_hi = d >> 16;
if ((s_sign = s & 0x80000000) != 0)
- s = -s;
+ s = -s;
s_lo = s & 0xFFFF;
s_hi = s >> 16;
rlo_lo = d_lo * s_lo;
@@ -1939,11 +1939,11 @@ void imul_long_direct(u32 *res_lo, u32* res_hi,u32 d, u32 s)
*res_lo = (rlo_hi << 16) | (rlo_lo & 0xFFFF);
*res_hi = rhi_lo;
if (d_sign != s_sign) {
- d = ~*res_lo;
- s = (((d & 0xFFFF) + 1) >> 16) + (d >> 16);
- *res_lo = ~*res_lo+1;
- *res_hi = ~*res_hi+(s >> 16);
- }
+ d = ~*res_lo;
+ s = (((d & 0xFFFF) + 1) >> 16) + (d >> 16);
+ *res_lo = ~*res_lo+1;
+ *res_hi = ~*res_hi+(s >> 16);
+ }
#endif
}
@@ -1955,12 +1955,12 @@ void imul_long(u32 s)
{
imul_long_direct(&M.x86.R_EAX,&M.x86.R_EDX,M.x86.R_EAX,s);
if (((M.x86.R_EAX & 0x80000000) == 0 && M.x86.R_EDX == 0x00000000) ||
- ((M.x86.R_EAX & 0x80000000) != 0 && M.x86.R_EDX == 0xFFFFFFFF)) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
+ ((M.x86.R_EAX & 0x80000000) != 0 && M.x86.R_EDX == 0xFFFFFFFF)) {
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
} else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
}
}
@@ -1974,11 +1974,11 @@ void mul_byte(u8 s)
M.x86.R_AX = res;
if (M.x86.R_AH == 0) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
} else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
}
}
@@ -1993,11 +1993,11 @@ void mul_word(u16 s)
M.x86.R_AX = (u16)res;
M.x86.R_DX = (u16)(res >> 16);
if (M.x86.R_DX == 0) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
} else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
}
}
@@ -2007,7 +2007,7 @@ Implements the MUL instruction and side effects.
****************************************************************************/
void mul_long(u32 s)
{
-#ifdef __HAS_LONG_LONG__
+#ifdef __HAS_LONG_LONG__
u64 res = (u32)M.x86.R_EAX * (u32)s;
M.x86.R_EAX = (u32)res;
@@ -2029,11 +2029,11 @@ void mul_long(u32 s)
M.x86.R_EDX = rhi_lo;
#endif
if (M.x86.R_EDX == 0) {
- CLEAR_FLAG(F_CF);
- CLEAR_FLAG(F_OF);
+ CLEAR_FLAG(F_CF);
+ CLEAR_FLAG(F_OF);
} else {
- SET_FLAG(F_CF);
- SET_FLAG(F_OF);
+ SET_FLAG(F_CF);
+ SET_FLAG(F_OF);
}
}
@@ -2047,14 +2047,14 @@ void idiv_byte(u8 s)
dvd = (s16)M.x86.R_AX;
if (s == 0) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
div = dvd / (s8)s;
mod = dvd % (s8)s;
if (abs(div) > 0x7f) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
M.x86.R_AL = (s8) div;
M.x86.R_AH = (s8) mod;
@@ -2070,14 +2070,14 @@ void idiv_word(u16 s)
dvd = (((s32)M.x86.R_DX) << 16) | M.x86.R_AX;
if (s == 0) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
div = dvd / (s16)s;
mod = dvd % (s16)s;
if (abs(div) > 0x7fff) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
CLEAR_FLAG(F_CF);
CLEAR_FLAG(F_SF);
@@ -2094,19 +2094,19 @@ Implements the IDIV instruction and side effects.
****************************************************************************/
void idiv_long(u32 s)
{
-#ifdef __HAS_LONG_LONG__
+#ifdef __HAS_LONG_LONG__
s64 dvd, div, mod;
dvd = (((s64)M.x86.R_EDX) << 32) | M.x86.R_EAX;
if (s == 0) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
div = dvd / (s32)s;
mod = dvd % (s32)s;
if (abs(div) > 0x7fffffff) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
#else
s32 div = 0, mod;
@@ -2120,32 +2120,32 @@ void idiv_long(u32 s)
int carry;
if (s == 0) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
do {
- div <<= 1;
- carry = (l_dvd >= l_s) ? 0 : 1;
-
- if (abs_h_dvd < (h_s + carry)) {
- h_s >>= 1;
- l_s = abs_s << (--counter);
- continue;
- } else {
- abs_h_dvd -= (h_s + carry);
- l_dvd = carry ? ((0xFFFFFFFF - l_s) + l_dvd + 1)
- : (l_dvd - l_s);
- h_s >>= 1;
- l_s = abs_s << (--counter);
- div |= 1;
- continue;
- }
+ div <<= 1;
+ carry = (l_dvd >= l_s) ? 0 : 1;
+
+ if (abs_h_dvd < (h_s + carry)) {
+ h_s >>= 1;
+ l_s = abs_s << (--counter);
+ continue;
+ } else {
+ abs_h_dvd -= (h_s + carry);
+ l_dvd = carry ? ((0xFFFFFFFF - l_s) + l_dvd + 1)
+ : (l_dvd - l_s);
+ h_s >>= 1;
+ l_s = abs_s << (--counter);
+ div |= 1;
+ continue;
+ }
} while (counter > -1);
/* overflow */
if (abs_h_dvd || (l_dvd > abs_s)) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
/* sign */
div |= ((h_dvd & 0x10000000) ^ (s & 0x10000000));
@@ -2172,14 +2172,14 @@ void div_byte(u8 s)
dvd = M.x86.R_AX;
if (s == 0) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
div = dvd / (u8)s;
mod = dvd % (u8)s;
if (abs(div) > 0xff) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
M.x86.R_AL = (u8)div;
M.x86.R_AH = (u8)mod;
@@ -2195,14 +2195,14 @@ void div_word(u16 s)
dvd = (((u32)M.x86.R_DX) << 16) | M.x86.R_AX;
if (s == 0) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
div = dvd / (u16)s;
mod = dvd % (u16)s;
if (abs(div) > 0xffff) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
CLEAR_FLAG(F_CF);
CLEAR_FLAG(F_SF);
@@ -2219,19 +2219,19 @@ Implements the DIV instruction and side effects.
****************************************************************************/
void div_long(u32 s)
{
-#ifdef __HAS_LONG_LONG__
+#ifdef __HAS_LONG_LONG__
u64 dvd, div, mod;
dvd = (((u64)M.x86.R_EDX) << 32) | M.x86.R_EAX;
if (s == 0) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
div = dvd / (u32)s;
mod = dvd % (u32)s;
if (abs(div) > 0xffffffff) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
#else
s32 div = 0, mod;
@@ -2244,32 +2244,32 @@ void div_long(u32 s)
int carry;
if (s == 0) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
do {
- div <<= 1;
- carry = (l_dvd >= l_s) ? 0 : 1;
-
- if (h_dvd < (h_s + carry)) {
- h_s >>= 1;
- l_s = s << (--counter);
- continue;
- } else {
- h_dvd -= (h_s + carry);
- l_dvd = carry ? ((0xFFFFFFFF - l_s) + l_dvd + 1)
- : (l_dvd - l_s);
- h_s >>= 1;
- l_s = s << (--counter);
- div |= 1;
- continue;
- }
+ div <<= 1;
+ carry = (l_dvd >= l_s) ? 0 : 1;
+
+ if (h_dvd < (h_s + carry)) {
+ h_s >>= 1;
+ l_s = s << (--counter);
+ continue;
+ } else {
+ h_dvd -= (h_s + carry);
+ l_dvd = carry ? ((0xFFFFFFFF - l_s) + l_dvd + 1)
+ : (l_dvd - l_s);
+ h_s >>= 1;
+ l_s = s << (--counter);
+ div |= 1;
+ continue;
+ }
} while (counter > -1);
/* overflow */
if (h_dvd || (l_dvd > s)) {
- x86emu_intr_raise(0);
- return;
+ x86emu_intr_raise(0);
+ return;
}
mod = l_dvd;
#endif
@@ -2291,11 +2291,11 @@ Implements the IN string instruction and side effects.
static void single_in(int size)
{
if(size == 1)
- store_data_byte_abs(M.x86.R_ES, M.x86.R_DI,(*sys_inb)(M.x86.R_DX));
+ store_data_byte_abs(M.x86.R_ES, M.x86.R_DI,(*sys_inb)(M.x86.R_DX));
else if (size == 2)
- store_data_word_abs(M.x86.R_ES, M.x86.R_DI,(*sys_inw)(M.x86.R_DX));
+ store_data_word_abs(M.x86.R_ES, M.x86.R_DI,(*sys_inw)(M.x86.R_DX));
else
- store_data_long_abs(M.x86.R_ES, M.x86.R_DI,(*sys_inl)(M.x86.R_DX));
+ store_data_long_abs(M.x86.R_ES, M.x86.R_DI,(*sys_inl)(M.x86.R_DX));
}
void ins(int size)
@@ -2303,26 +2303,26 @@ void ins(int size)
int inc = size;
if (ACCESS_FLAG(F_DF)) {
- inc = -size;
+ inc = -size;
}
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* in until CX is ZERO. */
- u32 count = ((M.x86.mode & SYSMODE_PREFIX_DATA) ?
- M.x86.R_ECX : M.x86.R_CX);
-
- while (count--) {
- single_in(size);
- M.x86.R_DI += inc;
- }
- M.x86.R_CX = 0;
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_ECX = 0;
- }
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* in until CX is ZERO. */
+ u32 count = ((M.x86.mode & SYSMODE_PREFIX_DATA) ?
+ M.x86.R_ECX : M.x86.R_CX);
+
+ while (count--) {
+ single_in(size);
+ M.x86.R_DI += inc;
+ }
+ M.x86.R_CX = 0;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ M.x86.R_ECX = 0;
+ }
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
} else {
- single_in(size);
- M.x86.R_DI += inc;
+ single_in(size);
+ M.x86.R_DI += inc;
}
}
@@ -2346,31 +2346,31 @@ void outs(int size)
int inc = size;
if (ACCESS_FLAG(F_DF)) {
- inc = -size;
+ inc = -size;
}
if (M.x86.mode & (SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE)) {
- /* dont care whether REPE or REPNE */
- /* out until CX is ZERO. */
- u32 count = ((M.x86.mode & SYSMODE_PREFIX_DATA) ?
- M.x86.R_ECX : M.x86.R_CX);
- while (count--) {
- single_out(size);
- M.x86.R_SI += inc;
- }
- M.x86.R_CX = 0;
- if (M.x86.mode & SYSMODE_PREFIX_DATA) {
- M.x86.R_ECX = 0;
- }
- M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
+ /* dont care whether REPE or REPNE */
+ /* out until CX is ZERO. */
+ u32 count = ((M.x86.mode & SYSMODE_PREFIX_DATA) ?
+ M.x86.R_ECX : M.x86.R_CX);
+ while (count--) {
+ single_out(size);
+ M.x86.R_SI += inc;
+ }
+ M.x86.R_CX = 0;
+ if (M.x86.mode & SYSMODE_PREFIX_DATA) {
+ M.x86.R_ECX = 0;
+ }
+ M.x86.mode &= ~(SYSMODE_PREFIX_REPE | SYSMODE_PREFIX_REPNE);
} else {
- single_out(size);
- M.x86.R_SI += inc;
+ single_out(size);
+ M.x86.R_SI += inc;
}
}
/****************************************************************************
PARAMETERS:
-addr - Address to fetch word from
+addr - Address to fetch word from
REMARKS:
Fetches a word from emulator memory using an absolute address.
@@ -2443,4 +2443,3 @@ DB( if (CHECK_SP_ACCESS())
M.x86.R_SP += 4;
return res;
}
-
generated by cgit v1.1 at 2024-11-22 10:35:06 +0000