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authorTom Rini <trini@ti.com>2014-12-01 15:24:07 -0500
committerTom Rini <trini@ti.com>2014-12-01 15:24:07 -0500
commitf4e7e2d12164c3235c3f5e19a68a503623029d35 (patch)
treedea8bdf2bf2a50f561c165b5bbd4e1195ab01994 /drivers
parent9e374e7b729dc9f68be89cd3e3b1d4d48c768ecf (diff)
parent908ec6e4d1d12f746cb9b7cc73430a268ceb2c92 (diff)
downloadu-boot-imx-f4e7e2d12164c3235c3f5e19a68a503623029d35.zip
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Merge git://git.denx.de/u-boot-x86
Diffstat (limited to 'drivers')
-rw-r--r--drivers/bios_emulator/Makefile2
-rw-r--r--drivers/bios_emulator/atibios.c198
-rw-r--r--drivers/bios_emulator/besys.c100
-rw-r--r--drivers/bios_emulator/bios.c4
-rw-r--r--drivers/bios_emulator/biosemui.h2
-rw-r--r--drivers/bios_emulator/include/biosemu.h53
-rw-r--r--drivers/bios_emulator/include/x86emu.h7
-rw-r--r--drivers/bios_emulator/include/x86emu/debug.h20
-rw-r--r--drivers/bios_emulator/include/x86emu/regs.h2
-rw-r--r--drivers/bios_emulator/x86emu/debug.c10
-rw-r--r--drivers/bios_emulator/x86emu/decode.c24
-rw-r--r--drivers/bios_emulator/x86emu/ops.c58
-rw-r--r--drivers/bios_emulator/x86emu/ops2.c4
-rw-r--r--drivers/bios_emulator/x86emu/sys.c5
-rw-r--r--drivers/pci/Makefile2
-rw-r--r--drivers/pci/pci.c24
-rw-r--r--drivers/pci/pci_rom.c278
-rw-r--r--drivers/rtc/bfin_rtc.c2
-rw-r--r--drivers/rtc/mc146818.c43
-rw-r--r--drivers/video/Makefile1
-rw-r--r--drivers/video/ati_radeon_fb.c2
-rw-r--r--drivers/video/x86_fb.c37
22 files changed, 665 insertions, 213 deletions
diff --git a/drivers/bios_emulator/Makefile b/drivers/bios_emulator/Makefile
index e56356e..2ba43ac 100644
--- a/drivers/bios_emulator/Makefile
+++ b/drivers/bios_emulator/Makefile
@@ -9,4 +9,4 @@ obj-y = atibios.o biosemu.o besys.o bios.o \
$(X86DIR)/debug.o
ccflags-y := -I$(srctree)/$(src) -I$(srctree)/$(src)/include \
- -D__PPC__ -D__BIG_ENDIAN__
+ $(if $(CONFIG_PPC),-D__PPC__ -D__BIG_ENDIAN__)
diff --git a/drivers/bios_emulator/atibios.c b/drivers/bios_emulator/atibios.c
index 3b2ed6e..93b815c 100644
--- a/drivers/bios_emulator/atibios.c
+++ b/drivers/bios_emulator/atibios.c
@@ -46,8 +46,11 @@
* BIOS in u-boot.
****************************************************************************/
#include <common.h>
-#include "biosemui.h"
+#include <bios_emul.h>
+#include <errno.h>
#include <malloc.h>
+#include <vbe.h>
+#include "biosemui.h"
/* Length of the BIOS image */
#define MAX_BIOSLEN (128 * 1024L)
@@ -59,17 +62,54 @@ static u32 saveBaseAddress14;
static u32 saveBaseAddress18;
static u32 saveBaseAddress20;
+static void atibios_set_vesa_mode(RMREGS *regs, int vesa_mode,
+ struct vbe_mode_info *mode_info)
+{
+ debug("VBE: Setting VESA mode %#04x\n", vesa_mode);
+ /* request linear framebuffer mode */
+ vesa_mode |= (1 << 14);
+ /* request clearing of framebuffer */
+ vesa_mode &= ~(1 << 15);
+ regs->e.eax = VESA_SET_MODE;
+ regs->e.ebx = vesa_mode;
+ BE_int86(0x10, regs, regs);
+
+ int offset = 0x2000;
+ void *buffer = (void *)(M.mem_base + offset);
+
+ u16 buffer_seg = (((unsigned long)offset) >> 4) & 0xff00;
+ u16 buffer_adr = ((unsigned long)offset) & 0xffff;
+ regs->e.eax = VESA_GET_MODE_INFO;
+ regs->e.ebx = 0;
+ regs->e.ecx = vesa_mode;
+ regs->e.edx = 0;
+ regs->e.esi = buffer_seg;
+ regs->e.edi = buffer_adr;
+ BE_int86(0x10, regs, regs);
+ memcpy(mode_info->mode_info_block, buffer,
+ sizeof(struct vbe_mode_info));
+ mode_info->valid = true;
+
+ vesa_mode |= (1 << 14);
+ /* request clearing of framebuffer */
+ vesa_mode &= ~(1 << 15);
+ regs->e.eax = VESA_SET_MODE;
+ regs->e.ebx = vesa_mode;
+ BE_int86(0x10, regs, regs);
+}
+
/****************************************************************************
PARAMETERS:
pcidev - PCI device info for the video card on the bus to boot
-VGAInfo - BIOS emulator VGA info structure
+vga_info - BIOS emulator VGA info structure
REMARKS:
This function executes the BIOS POST code on the controller. We assume that
at this stage the controller has its I/O and memory space enabled and
that all other controllers are in a disabled state.
****************************************************************************/
-static void PCI_doBIOSPOST(pci_dev_t pcidev, BE_VGAInfo * VGAInfo)
+static void PCI_doBIOSPOST(pci_dev_t pcidev, BE_VGAInfo *vga_info,
+ int vesa_mode, struct vbe_mode_info *mode_info)
{
RMREGS regs;
RMSREGS sregs;
@@ -84,13 +124,16 @@ static void PCI_doBIOSPOST(pci_dev_t pcidev, BE_VGAInfo * VGAInfo)
((int)PCI_DEV(pcidev) << 3) | (int)PCI_FUNC(pcidev);
/*Setup the X86 emulator for the VGA BIOS*/
- BE_setVGA(VGAInfo);
+ BE_setVGA(vga_info);
/*Execute the BIOS POST code*/
BE_callRealMode(0xC000, 0x0003, &regs, &sregs);
/*Cleanup and exit*/
- BE_getVGA(VGAInfo);
+ BE_getVGA(vga_info);
+
+ if (vesa_mode != -1)
+ atibios_set_vesa_mode(&regs, vesa_mode, mode_info);
}
/****************************************************************************
@@ -244,60 +287,61 @@ REMARKS:
Loads and POST's the display controllers BIOS, directly from the BIOS
image we can extract over the PCI bus.
****************************************************************************/
-static int PCI_postController(pci_dev_t pcidev, BE_VGAInfo * VGAInfo)
+static int PCI_postController(pci_dev_t pcidev, uchar *bios_rom, int bios_len,
+ BE_VGAInfo *vga_info, int vesa_mode,
+ struct vbe_mode_info *mode_info)
{
- u32 BIOSImageLen;
- uchar *mappedBIOS;
- uchar *copyOfBIOS;
-
- /*Allocate memory to store copy of BIOS from display controller*/
- if ((mappedBIOS = PCI_mapBIOSImage(pcidev)) == NULL) {
- printf("videoboot: Video ROM failed to map!\n");
- return false;
- }
+ u32 bios_image_len;
+ uchar *mapped_bios;
+ uchar *copy_of_bios;
+
+ if (bios_rom) {
+ copy_of_bios = bios_rom;
+ bios_image_len = bios_len;
+ } else {
+ /*
+ * Allocate memory to store copy of BIOS from display
+ * controller
+ */
+ mapped_bios = PCI_mapBIOSImage(pcidev);
+ if (mapped_bios == NULL) {
+ printf("videoboot: Video ROM failed to map!\n");
+ return false;
+ }
- BIOSImageLen = mappedBIOS[2] * 512;
+ bios_image_len = mapped_bios[2] * 512;
- if ((copyOfBIOS = malloc(BIOSImageLen)) == NULL) {
- printf("videoboot: Out of memory!\n");
- return false;
+ copy_of_bios = malloc(bios_image_len);
+ if (copy_of_bios == NULL) {
+ printf("videoboot: Out of memory!\n");
+ return false;
+ }
+ memcpy(copy_of_bios, mapped_bios, bios_image_len);
+ PCI_unmapBIOSImage(pcidev, mapped_bios);
}
- memcpy(copyOfBIOS, mappedBIOS, BIOSImageLen);
- PCI_unmapBIOSImage(pcidev, mappedBIOS);
-
- /*Save information in VGAInfo structure*/
- VGAInfo->function = PCI_FUNC(pcidev);
- VGAInfo->device = PCI_DEV(pcidev);
- VGAInfo->bus = PCI_BUS(pcidev);
- VGAInfo->pcidev = pcidev;
- VGAInfo->BIOSImage = copyOfBIOS;
- VGAInfo->BIOSImageLen = BIOSImageLen;
+ /*Save information in vga_info structure*/
+ vga_info->function = PCI_FUNC(pcidev);
+ vga_info->device = PCI_DEV(pcidev);
+ vga_info->bus = PCI_BUS(pcidev);
+ vga_info->pcidev = pcidev;
+ vga_info->BIOSImage = copy_of_bios;
+ vga_info->BIOSImageLen = bios_image_len;
/*Now execute the BIOS POST for the device*/
- if (copyOfBIOS[0] != 0x55 || copyOfBIOS[1] != 0xAA) {
+ if (copy_of_bios[0] != 0x55 || copy_of_bios[1] != 0xAA) {
printf("videoboot: Video ROM image is invalid!\n");
return false;
}
- PCI_doBIOSPOST(pcidev, VGAInfo);
+ PCI_doBIOSPOST(pcidev, vga_info, vesa_mode, mode_info);
/*Reset the size of the BIOS image to the final size*/
- VGAInfo->BIOSImageLen = copyOfBIOS[2] * 512;
+ vga_info->BIOSImageLen = copy_of_bios[2] * 512;
return true;
}
-/****************************************************************************
-PARAMETERS:
-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
-
-REMARKS:
-Boots the PCI/AGP video card on the bus using the Video ROM BIOS image
-and the X86 BIOS emulator module.
-****************************************************************************/
-int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo ** pVGAInfo, int cleanUp)
+int biosemu_setup(pci_dev_t pcidev, BE_VGAInfo **vga_infop)
{
BE_VGAInfo *VGAInfo;
@@ -307,28 +351,70 @@ int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo ** pVGAInfo, int cleanUp)
/*Initialise the x86 BIOS emulator*/
if ((VGAInfo = malloc(sizeof(*VGAInfo))) == NULL) {
printf("videoboot: Out of memory!\n");
- return false;
+ return -ENOMEM;
}
memset(VGAInfo, 0, sizeof(*VGAInfo));
BE_init(0, 65536, VGAInfo, 0);
+ *vga_infop = VGAInfo;
- /*Post all the display controller BIOS'es*/
- if (!PCI_postController(pcidev, VGAInfo))
- return false;
+ return 0;
+}
- /*Cleanup and exit the emulator if requested. If the BIOS emulator
- is needed after booting the card, we will not call BE_exit and
- leave it enabled for further use (ie: VESA driver etc).
+void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void))
+{
+ X86EMU_setupIntrFunc(intnum, (X86EMU_intrFuncs)int_func);
+}
+
+int biosemu_run(pci_dev_t pcidev, uchar *bios_rom, int bios_len,
+ BE_VGAInfo *vga_info, int clean_up, int vesa_mode,
+ struct vbe_mode_info *mode_info)
+{
+ /*Post all the display controller BIOS'es*/
+ if (!PCI_postController(pcidev, bios_rom, bios_len, vga_info,
+ vesa_mode, mode_info))
+ return -EINVAL;
+
+ /*
+ * Cleanup and exit the emulator if requested. If the BIOS emulator
+ * is needed after booting the card, we will not call BE_exit and
+ * leave it enabled for further use (ie: VESA driver etc).
*/
- if (cleanUp) {
+ if (clean_up) {
BE_exit();
- if (VGAInfo->BIOSImage)
- free(VGAInfo->BIOSImage);
- free(VGAInfo);
- VGAInfo = NULL;
+ if (vga_info->BIOSImage)
+ free(vga_info->BIOSImage);
+ free(vga_info);
+ vga_info = NULL;
}
- /*Return VGA info pointer if the caller requested it*/
+
+ return 0;
+}
+
+/****************************************************************************
+PARAMETERS:
+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
+
+REMARKS:
+Boots the PCI/AGP video card on the bus using the Video ROM BIOS image
+and the X86 BIOS emulator module.
+****************************************************************************/
+int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int clean_up)
+{
+ BE_VGAInfo *VGAInfo;
+ int ret;
+
+ ret = biosemu_setup(pcidev, &VGAInfo);
+ if (ret)
+ return false;
+ ret = biosemu_run(pcidev, NULL, 0, VGAInfo, clean_up, -1, NULL);
+ if (ret)
+ return false;
+
+ /* Return VGA info pointer if the caller requested it*/
if (pVGAInfo)
*pVGAInfo = VGAInfo;
+
return true;
}
diff --git a/drivers/bios_emulator/besys.c b/drivers/bios_emulator/besys.c
index ad88a53..752a928 100644
--- a/drivers/bios_emulator/besys.c
+++ b/drivers/bios_emulator/besys.c
@@ -54,12 +54,20 @@
/*------------------------- Global Variables ------------------------------*/
-#ifndef __i386__
+#ifndef CONFIG_X86EMU_RAW_IO
static char *BE_biosDate = "08/14/99";
static u8 BE_model = 0xFC;
static u8 BE_submodel = 0x00;
#endif
+#undef DEBUG_IO_ACCESS
+
+#ifdef DEBUG_IO_ACCESS
+#define debug_io(fmt, ...) printf(fmt, ##__VA_ARGS__)
+#else
+#define debug_io(x, b...)
+#endif
+
/*----------------------------- Implementation ----------------------------*/
/****************************************************************************
@@ -80,38 +88,40 @@ static u8 *BE_memaddr(u32 addr)
if (addr >= 0xC0000 && addr <= _BE_env.biosmem_limit) {
return (u8*)(_BE_env.biosmem_base + addr - 0xC0000);
} else if (addr > _BE_env.biosmem_limit && addr < 0xD0000) {
- DB(printf("BE_memaddr: address %#lx may be invalid!\n", addr);)
- return M.mem_base;
+ DB(printf("BE_memaddr: address %#lx may be invalid!\n",
+ (ulong)addr);)
+ return (u8 *)M.mem_base;
} else if (addr >= 0xA0000 && addr <= 0xBFFFF) {
return (u8*)(_BE_env.busmem_base + addr - 0xA0000);
}
-#ifdef __i386__
+#ifdef CONFIG_X86EMU_RAW_IO
else if (addr >= 0xD0000 && addr <= 0xFFFFF) {
/* We map the real System BIOS directly on real PC's */
- DB(printf("BE_memaddr: System BIOS address %#lx\n", addr);)
- return _BE_env.busmem_base + addr - 0xA0000;
+ DB(printf("BE_memaddr: System BIOS address %#lx\n",
+ (ulong)addr);)
+ return (u8 *)_BE_env.busmem_base + addr - 0xA0000;
}
#else
else if (addr >= 0xFFFF5 && addr < 0xFFFFE) {
/* Return a faked BIOS date string for non-x86 machines */
- DB(printf("BE_memaddr - Returning BIOS date\n");)
+ debug_io("BE_memaddr - Returning BIOS date\n");
return (u8 *)(BE_biosDate + addr - 0xFFFF5);
} else if (addr == 0xFFFFE) {
/* Return system model identifier for non-x86 machines */
- DB(printf("BE_memaddr - Returning model\n");)
+ debug_io("BE_memaddr - Returning model\n");
return &BE_model;
} else if (addr == 0xFFFFF) {
/* Return system submodel identifier for non-x86 machines */
- DB(printf("BE_memaddr - Returning submodel\n");)
+ debug_io("BE_memaddr - Returning submodel\n");
return &BE_submodel;
}
#endif
else if (addr > M.mem_size - 1) {
HALT_SYS();
- return M.mem_base;
+ return (u8 *)M.mem_base;
}
- return M.mem_base + addr;
+ return (u8 *)(M.mem_base + addr);
}
/****************************************************************************
@@ -230,7 +240,7 @@ void X86API BE_wrl(u32 addr, u32 val)
}
}
-#if defined(DEBUG) || !defined(__i386__)
+#if !defined(CONFIG_X86EMU_RAW_IO)
/* For Non-Intel machines we may need to emulate some I/O port accesses that
* the BIOS may try to access, such as the PCI config registers.
@@ -258,6 +268,7 @@ static u8 VGA_inpb (const int port)
{
u8 val = 0xff;
+ debug_io("vga_inb.%04X -> ", (u16) port);
switch (port) {
case 0x3C0:
/* 3C0 has funky characteristics because it can act as either
@@ -560,7 +571,7 @@ u8 X86API BE_inb(X86EMU_pioAddr port)
{
u8 val = 0;
-#if defined(DEBUG) || !defined(__i386__)
+#if !defined(CONFIG_X86EMU_RAW_IO)
if (IS_VGA_PORT(port)){
/*seems reading port 0x3c3 return the high 16 bit of io port*/
if(port == 0x3c3)
@@ -581,7 +592,12 @@ u8 X86API BE_inb(X86EMU_pioAddr port)
val = LOG_inpb(port);
} else
#endif
+ {
+ debug_io("inb.%04X -> ", (u16) port);
val = LOG_inpb(port);
+ debug_io("%02X\n", val);
+ }
+
return val;
}
@@ -601,7 +617,7 @@ u16 X86API BE_inw(X86EMU_pioAddr port)
{
u16 val = 0;
-#if defined(DEBUG) || !defined(__i386__)
+#if !defined(CONFIG_X86EMU_RAW_IO)
if (IS_PCI_PORT(port))
val = PCI_inp(port, REG_READ_WORD);
else if (port < 0x100) {
@@ -609,7 +625,12 @@ u16 X86API BE_inw(X86EMU_pioAddr port)
val = LOG_inpw(port);
} else
#endif
+ {
+ debug_io("inw.%04X -> ", (u16) port);
val = LOG_inpw(port);
+ debug_io("%04X\n", val);
+ }
+
return val;
}
@@ -629,14 +650,19 @@ u32 X86API BE_inl(X86EMU_pioAddr port)
{
u32 val = 0;
-#if defined(DEBUG) || !defined(__i386__)
+#if !defined(CONFIG_X86EMU_RAW_IO)
if (IS_PCI_PORT(port))
val = PCI_inp(port, REG_READ_DWORD);
else if (port < 0x100) {
val = LOG_inpd(port);
} else
#endif
+ {
+ debug_io("inl.%04X -> ", (u16) port);
val = LOG_inpd(port);
+ debug_io("%08X\n", val);
+ }
+
return val;
}
@@ -652,7 +678,7 @@ through to the real hardware if we don't need to special case it.
****************************************************************************/
void X86API BE_outb(X86EMU_pioAddr port, u8 val)
{
-#if defined(DEBUG) || !defined(__i386__)
+#if !defined(CONFIG_X86EMU_RAW_IO)
if (IS_VGA_PORT(port))
VGA_outpb(port, val);
else if (IS_TIMER_PORT(port))
@@ -668,7 +694,11 @@ void X86API BE_outb(X86EMU_pioAddr port, u8 val)
LOG_outpb(port, val);
} else
#endif
+ {
+ debug_io("outb.%04X <- %02X", (u16) port, val);
LOG_outpb(port, val);
+ debug_io("\n");
+ }
}
/****************************************************************************
@@ -683,19 +713,23 @@ through to the real hardware if we don't need to special case it.
****************************************************************************/
void X86API BE_outw(X86EMU_pioAddr port, u16 val)
{
-#if defined(DEBUG) || !defined(__i386__)
- if (IS_VGA_PORT(port)) {
- VGA_outpb(port, val);
- VGA_outpb(port + 1, val >> 8);
- } else if (IS_PCI_PORT(port))
- PCI_outp(port, val, REG_WRITE_WORD);
- else if (port < 0x100) {
- DB(printf("WARN: MAybe INVALID outw.%04X <- %04X\n", (u16) port,
- val);)
- LOG_outpw(port, val);
- } else
+#if !defined(CONFIG_X86EMU_RAW_IO)
+ if (IS_VGA_PORT(port)) {
+ VGA_outpb(port, val);
+ VGA_outpb(port + 1, val >> 8);
+ } else if (IS_PCI_PORT(port)) {
+ PCI_outp(port, val, REG_WRITE_WORD);
+ } else if (port < 0x100) {
+ DB(printf("WARN: MAybe INVALID outw.%04X <- %04X\n", (u16)port,
+ val);)
+ LOG_outpw(port, val);
+ } else
#endif
- LOG_outpw(port, val);
+ {
+ debug_io("outw.%04X <- %04X", (u16) port, val);
+ LOG_outpw(port, val);
+ debug_io("\n");
+ }
}
/****************************************************************************
@@ -710,13 +744,17 @@ through to the real hardware if we don't need to special case it.
****************************************************************************/
void X86API BE_outl(X86EMU_pioAddr port, u32 val)
{
-#if defined(DEBUG) || !defined(__i386__)
- if (IS_PCI_PORT(port))
+#if !defined(CONFIG_X86EMU_RAW_IO)
+ if (IS_PCI_PORT(port)) {
PCI_outp(port, val, REG_WRITE_DWORD);
- else if (port < 0x100) {
+ } else if (port < 0x100) {
DB(printf("WARN: INVALID outl.%04X <- %08X\n", (u16) port,val);)
LOG_outpd(port, val);
} else
#endif
+ {
+ debug_io("outl.%04X <- %08X", (u16) port, val);
LOG_outpd(port, val);
+ debug_io("\n");
+ }
}
diff --git a/drivers/bios_emulator/bios.c b/drivers/bios_emulator/bios.c
index bcc192f..152d70a 100644
--- a/drivers/bios_emulator/bios.c
+++ b/drivers/bios_emulator/bios.c
@@ -84,14 +84,14 @@ static void X86API int42(int intno)
PM_outpb(0x3c2, PM_inpb(0x3cc) & (u8) ~ 0x02);
return;
}
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
else {
printf("int42: unknown function AH=0x12, BL=0x32, AL=%#02x\n",
M.x86.R_AL);
}
#endif
}
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
else {
printf("int42: unknown function AH=%#02x, AL=%#02x, BL=%#02x\n",
M.x86.R_AH, M.x86.R_AL, M.x86.R_BL);
diff --git a/drivers/bios_emulator/biosemui.h b/drivers/bios_emulator/biosemui.h
index 8c1f111..7853015 100644
--- a/drivers/bios_emulator/biosemui.h
+++ b/drivers/bios_emulator/biosemui.h
@@ -48,7 +48,7 @@
#include <asm/io.h>
/*---------------------- Macros and type definitions ----------------------*/
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
#define DB(x) x
#else
#define DB(x) do{}while(0);
diff --git a/drivers/bios_emulator/include/biosemu.h b/drivers/bios_emulator/include/biosemu.h
index e92e96e..124d79d 100644
--- a/drivers/bios_emulator/include/biosemu.h
+++ b/drivers/bios_emulator/include/biosemu.h
@@ -43,6 +43,8 @@
#ifndef __BIOSEMU_H
#define __BIOSEMU_H
+#include <bios_emul.h>
+
#ifdef __KERNEL__
#include "x86emu.h"
#else
@@ -55,57 +57,6 @@
#pragma pack(1)
-#ifndef __KERNEL__
-/****************************************************************************
-REMARKS:
-Data structure used to describe the details specific to a particular VGA
-controller. This information is used to allow the VGA controller to be
-swapped on the fly within the BIOS emulator.
-
-HEADER:
-biosemu.h
-
-MEMBERS:
-pciInfo - PCI device information block for the controller
-BIOSImage - Pointer to a read/write copy of the BIOS image
-BIOSImageLen - Length of the BIOS image
-LowMem - Copy of key low memory areas
-****************************************************************************/
-typedef struct {
- PCIDeviceInfo *pciInfo;
- void *BIOSImage;
- ulong BIOSImageLen;
- uchar LowMem[1536];
-} BE_VGAInfo;
-#else
-/****************************************************************************
-REMARKS:
-Data structure used to describe the details for the BIOS emulator system
-environment as used by the X86 emulator library.
-
-HEADER:
-biosemu.h
-
-MEMBERS:
-vgaInfo - VGA BIOS information structure
-biosmem_base - Base of the BIOS image
-biosmem_limit - Limit of the BIOS image
-busmem_base - Base of the VGA bus memory
-****************************************************************************/
-typedef struct {
- int function;
- int device;
- int bus;
- u32 VendorID;
- u32 DeviceID;
- pci_dev_t pcidev;
- void *BIOSImage;
- u32 BIOSImageLen;
- u8 LowMem[1536];
-} BE_VGAInfo;
-
-#endif /* __KERNEL__ */
-
#define CRT_C 24 /* 24 CRT Controller Registers */
#define ATT_C 21 /* 21 Attribute Controller Registers */
#define GRA_C 9 /* 9 Graphics Controller Registers */
diff --git a/drivers/bios_emulator/include/x86emu.h b/drivers/bios_emulator/include/x86emu.h
index a70a768..b28cdc6 100644
--- a/drivers/bios_emulator/include/x86emu.h
+++ b/drivers/bios_emulator/include/x86emu.h
@@ -53,9 +53,9 @@ typedef u16 X86EMU_pioAddr;
/*---------------------- Macros and type definitions ----------------------*/
-#if defined (CONFIG_ARM)
+#if defined(CONFIG_ARM)
#define GAS_LINE_COMMENT "@"
-#elif defined(CONFIG_MIPS) || defined(CONFIG_PPC)
+#elif defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_X86)
#define GAS_LINE_COMMENT "#"
#elif defined (CONFIG_SH)
#define GAS_LINE_COMMENT "!"
@@ -153,6 +153,7 @@ extern "C" { /* Use "C" linkage when in C++ mode */
void X86EMU_setupMemFuncs(X86EMU_memFuncs * funcs);
void X86EMU_setupPioFuncs(X86EMU_pioFuncs * funcs);
void X86EMU_setupIntrFuncs(X86EMU_intrFuncs funcs[]);
+ void X86EMU_setupIntrFunc(int intnum, X86EMU_intrFuncs func);
void X86EMU_prepareForInt(int num);
/* decode.c */
@@ -160,7 +161,7 @@ extern "C" { /* Use "C" linkage when in C++ mode */
void X86EMU_exec(void);
void X86EMU_halt_sys(void);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
#define HALT_SYS() \
printf("halt_sys: file %s, line %d\n", __FILE__, __LINE__), \
X86EMU_halt_sys()
diff --git a/drivers/bios_emulator/include/x86emu/debug.h b/drivers/bios_emulator/include/x86emu/debug.h
index 268c9d3..304b2bf 100644
--- a/drivers/bios_emulator/include/x86emu/debug.h
+++ b/drivers/bios_emulator/include/x86emu/debug.h
@@ -48,7 +48,7 @@
#define CHECK_MEM_ACCESS_F 0x4 /*using regular linear pointer */
#define CHECK_DATA_ACCESS_F 0x8 /*using segment:offset */
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_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)
@@ -60,7 +60,7 @@
# define CHECK_DATA_ACCESS()
#endif
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_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)
@@ -99,7 +99,11 @@
# define DEBUG_DECODE_NOPRINT() 0
#endif
-#ifdef DEBUG
+# define ERR_PRINTF(x) printf(x)
+# define ERR_PRINTF2(x, y) printf(x, y)
+
+#ifdef CONFIG_X86EMU_DEBUG103
+
# define DECODE_PRINTF(x) if (DEBUG_DECODE()) \
x86emu_decode_printf(x)
@@ -129,7 +133,7 @@
# define SAVE_IP_CS(x,y)
#endif
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
#define TRACE_REGS() \
if (DEBUG_DISASSEMBLE()) { \
x86emu_just_disassemble(); \
@@ -140,7 +144,7 @@
# define TRACE_REGS()
#endif
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
# define SINGLE_STEP() if (DEBUG_STEP()) x86emu_single_step()
#else
# define SINGLE_STEP()
@@ -150,7 +154,7 @@
TRACE_REGS(); \
SINGLE_STEP()
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
# define START_OF_INSTR()
# define END_OF_INSTR() EndOfTheInstructionProcedure: x86emu_end_instr();
# define END_OF_INSTR_NO_TRACE() x86emu_end_instr();
@@ -160,7 +164,7 @@
# define END_OF_INSTR_NO_TRACE()
#endif
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
# define CALL_TRACE(u,v,w,x,s) \
if (DEBUG_TRACECALLREGS()) \
x86emu_dump_regs(); \
@@ -176,7 +180,7 @@
# define RETURN_TRACE(n,u,v)
#endif
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
#define DB(x) x
#else
#define DB(x)
diff --git a/drivers/bios_emulator/include/x86emu/regs.h b/drivers/bios_emulator/include/x86emu/regs.h
index a7fedd2..2934129 100644
--- a/drivers/bios_emulator/include/x86emu/regs.h
+++ b/drivers/bios_emulator/include/x86emu/regs.h
@@ -282,7 +282,7 @@ typedef struct {
u8 intno;
volatile int intr; /* mask of pending interrupts */
int debug;
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
int check;
u16 saved_ip;
u16 saved_cs;
diff --git a/drivers/bios_emulator/x86emu/debug.c b/drivers/bios_emulator/x86emu/debug.c
index 2fa8050..27e90e4 100644
--- a/drivers/bios_emulator/x86emu/debug.c
+++ b/drivers/bios_emulator/x86emu/debug.c
@@ -44,7 +44,7 @@
/*----------------------------- Implementation ----------------------------*/
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
static void print_encoded_bytes(u16 s, u16 o);
static void print_decoded_instruction(void);
@@ -211,9 +211,7 @@ void X86EMU_dump_memory(u16 seg, u16 off, u32 amt)
u32 start = off & 0xfffffff0;
u32 end = (off + 16) & 0xfffffff0;
u32 i;
- u32 current;
- current = start;
while (end <= off + amt) {
printk("%04x:%04x ", seg, start);
for (i = start; i < off; i++)
@@ -229,7 +227,7 @@ void X86EMU_dump_memory(u16 seg, u16 off, u32 amt)
void x86emu_single_step(void)
{
char s[1024];
- int ps[10];
+ int ps[10];
int ntok;
int cmd;
int done;
@@ -238,8 +236,6 @@ void x86emu_single_step(void)
static int breakpoint;
static int noDecode = 1;
- char *p;
-
if (DEBUG_BREAK()) {
if (M.x86.saved_ip != breakpoint) {
return;
@@ -255,6 +251,8 @@ void x86emu_single_step(void)
offset = M.x86.saved_ip;
while (!done) {
printk("-");
+ ps[1] = 0; /* Avoid dodgy compiler warnings */
+ ps[2] = 0;
cmd = x86emu_parse_line(s, ps, &ntok);
switch (cmd) {
case 'u':
diff --git a/drivers/bios_emulator/x86emu/decode.c b/drivers/bios_emulator/x86emu/decode.c
index a782b81..da44c3d 100644
--- a/drivers/bios_emulator/x86emu/decode.c
+++ b/drivers/bios_emulator/x86emu/decode.c
@@ -303,7 +303,7 @@ NOTE: Do not inline this function as (*sys_rdX) is already inline!
u8 fetch_data_byte(
uint offset)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
@@ -322,7 +322,7 @@ NOTE: Do not inline this function as (*sys_rdX) is already inline!
u16 fetch_data_word(
uint offset)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
@@ -341,7 +341,7 @@ NOTE: Do not inline this function as (*sys_rdX) is already inline!
u32 fetch_data_long(
uint offset)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
@@ -362,7 +362,7 @@ u8 fetch_data_byte_abs(
uint segment,
uint offset)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access(segment, offset);
#endif
@@ -383,7 +383,7 @@ u16 fetch_data_word_abs(
uint segment,
uint offset)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access(segment, offset);
#endif
@@ -404,7 +404,7 @@ u32 fetch_data_long_abs(
uint segment,
uint offset)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access(segment, offset);
#endif
@@ -426,7 +426,7 @@ void store_data_byte(
uint offset,
u8 val)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
@@ -448,7 +448,7 @@ void store_data_word(
uint offset,
u16 val)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
@@ -470,7 +470,7 @@ void store_data_long(
uint offset,
u32 val)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access((u16)get_data_segment(), offset);
#endif
@@ -493,7 +493,7 @@ void store_data_byte_abs(
uint offset,
u8 val)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access(segment, offset);
#endif
@@ -516,7 +516,7 @@ void store_data_word_abs(
uint offset,
u16 val)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access(segment, offset);
#endif
@@ -539,7 +539,7 @@ void store_data_long_abs(
uint offset,
u32 val)
{
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (CHECK_DATA_ACCESS())
x86emu_check_data_access(segment, offset);
#endif
diff --git a/drivers/bios_emulator/x86emu/ops.c b/drivers/bios_emulator/x86emu/ops.c
index f8e093d..2bb5e2d 100644
--- a/drivers/bios_emulator/x86emu/ops.c
+++ b/drivers/bios_emulator/x86emu/ops.c
@@ -79,7 +79,7 @@
/* constant arrays to do several instructions in just one function */
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
static char *x86emu_GenOpName[8] = {
"ADD", "OR", "ADC", "SBB", "AND", "SUB", "XOR", "CMP"};
#endif
@@ -160,7 +160,7 @@ static u32 (*opcD1_long_operation[])(u32 s, u8 d) =
sar_long,
};
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
static char *opF6_names[8] =
{ "TEST\t", "", "NOT\t", "NEG\t", "MUL\t", "IMUL\t", "DIV\t", "IDIV\t" };
@@ -179,7 +179,7 @@ void x86emuOp_illegal_op(
{
START_OF_INSTR();
if (M.x86.R_SP != 0) {
- DECODE_PRINTF("ILLEGAL X86 OPCODE\n");
+ ERR_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));
@@ -1281,7 +1281,7 @@ void x86emuOp_opc80_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -1359,7 +1359,7 @@ void x86emuOp_opc81_word_RM_IMM(u8 X86EMU_UNUSED(op1))
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -1475,7 +1475,7 @@ void x86emuOp_opc82_byte_RM_IMM(u8 X86EMU_UNUSED(op1))
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -1551,7 +1551,7 @@ void x86emuOp_opc83_word_RM_IMM(u8 X86EMU_UNUSED(op1))
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -2148,7 +2148,7 @@ 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");
+ ERR_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
HALT_SYS();
}
if (mod < 3) {
@@ -3083,7 +3083,7 @@ void x86emuOp_opcC0_byte_RM_MEM(u8 X86EMU_UNUSED(op1))
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -3158,7 +3158,7 @@ void x86emuOp_opcC1_word_RM_MEM(u8 X86EMU_UNUSED(op1))
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -3347,7 +3347,7 @@ 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");
+ ERR_PRINTF("ILLEGAL DECODE OF OPCODE c6\n");
HALT_SYS();
}
if (mod < 3) {
@@ -3381,7 +3381,7 @@ 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");
+ ERR_PRINTF("ILLEGAL DECODE OF OPCODE 8F\n");
HALT_SYS();
}
if (mod < 3) {
@@ -3630,7 +3630,7 @@ void x86emuOp_opcD0_byte_RM_1(u8 X86EMU_UNUSED(op1))
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -3701,7 +3701,7 @@ void x86emuOp_opcD1_word_RM_1(u8 X86EMU_UNUSED(op1))
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -3803,7 +3803,7 @@ void x86emuOp_opcD2_byte_RM_CL(u8 X86EMU_UNUSED(op1))
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -3876,7 +3876,7 @@ void x86emuOp_opcD3_word_RM_CL(u8 X86EMU_UNUSED(op1))
*/
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -3968,7 +3968,7 @@ 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");
+ ERR_PRINTF("ERROR DECODING AAM\n");
TRACE_REGS();
HALT_SYS();
}
@@ -4443,7 +4443,7 @@ void x86emuOp_opcF6_byte_RM(u8 X86EMU_UNUSED(op1))
test_byte(destval, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
HALT_SYS();
break;
case 2:
@@ -4490,7 +4490,7 @@ void x86emuOp_opcF6_byte_RM(u8 X86EMU_UNUSED(op1))
test_byte(*destreg, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
HALT_SYS();
break;
case 2:
@@ -4559,7 +4559,7 @@ void x86emuOp_opcF7_word_RM(u8 X86EMU_UNUSED(op1))
test_long(destval, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
HALT_SYS();
break;
case 2:
@@ -4611,7 +4611,7 @@ void x86emuOp_opcF7_word_RM(u8 X86EMU_UNUSED(op1))
test_word(destval, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F7\n");
HALT_SYS();
break;
case 2:
@@ -4666,7 +4666,7 @@ void x86emuOp_opcF7_word_RM(u8 X86EMU_UNUSED(op1))
test_long(*destreg, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
HALT_SYS();
break;
case 2:
@@ -4715,7 +4715,7 @@ void x86emuOp_opcF7_word_RM(u8 X86EMU_UNUSED(op1))
test_word(*destreg, srcval);
break;
case 1:
- DECODE_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
+ ERR_PRINTF("ILLEGAL OP MOD=00 RH=01 OP=F6\n");
HALT_SYS();
break;
case 2:
@@ -4859,7 +4859,7 @@ void x86emuOp_opcFE_byte_RM(u8 X86EMU_UNUSED(op1))
/* Yet another special case instruction. */
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -4879,7 +4879,7 @@ void x86emuOp_opcFE_byte_RM(u8 X86EMU_UNUSED(op1))
case 5:
case 6:
case 7:
- DECODE_PRINTF2("ILLEGAL OP MAJOR OP 0xFE MINOR OP %x \n", mod);
+ ERR_PRINTF2("ILLEGAL OP MAJOR OP 0xFE MINOR OP %x\n", mod);
HALT_SYS();
break;
}
@@ -4923,7 +4923,7 @@ void x86emuOp_opcFF_word_RM(u8 X86EMU_UNUSED(op1))
/* Yet another special case instruction. */
START_OF_INSTR();
FETCH_DECODE_MODRM(mod, rh, rl);
-#ifdef DEBUG
+#ifdef CONFIG_X86EMU_DEBUG
if (DEBUG_DECODE()) {
/* XXX DECODE_PRINTF may be changed to something more
general, so that it is important to leave the strings
@@ -4961,7 +4961,7 @@ void x86emuOp_opcFF_word_RM(u8 X86EMU_UNUSED(op1))
DECODE_PRINTF("PUSH\t");
break;
case 7:
- DECODE_PRINTF("ILLEGAL DECODING OF OPCODE FF\t");
+ ERR_PRINTF("ILLEGAL DECODING OF OPCODE FF\t");
HALT_SYS();
break;
}
@@ -5092,7 +5092,7 @@ void x86emuOp_opcFF_word_RM(u8 X86EMU_UNUSED(op1))
M.x86.R_IP = *destreg;
break;
case 3: /* jmp far ptr ... */
- DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
+ ERR_PRINTF("OPERATION UNDEFINED 0XFF\n");
TRACE_AND_STEP();
HALT_SYS();
break;
@@ -5104,7 +5104,7 @@ void x86emuOp_opcFF_word_RM(u8 X86EMU_UNUSED(op1))
M.x86.R_IP = (u16) (*destreg);
break;
case 5: /* jmp far ptr ... */
- DECODE_PRINTF("OPERATION UNDEFINED 0XFF \n");
+ ERR_PRINTF("OPERATION UNDEFINED 0XFF\n");
TRACE_AND_STEP();
HALT_SYS();
break;
diff --git a/drivers/bios_emulator/x86emu/ops2.c b/drivers/bios_emulator/x86emu/ops2.c
index 59dbb42..be4ef36 100644
--- a/drivers/bios_emulator/x86emu/ops2.c
+++ b/drivers/bios_emulator/x86emu/ops2.c
@@ -58,7 +58,7 @@ void x86emuOp2_illegal_op(
u8 op2)
{
START_OF_INSTR();
- DECODE_PRINTF("ILLEGAL EXTENDED X86 OPCODE\n");
+ ERR_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);
@@ -1089,7 +1089,7 @@ void x86emuOp2_btX_I(u8 X86EMU_UNUSED(op2))
DECODE_PRINTF("BTC\t");
break;
default:
- DECODE_PRINTF("ILLEGAL EXTENDED X86 OPCODE\n");
+ ERR_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);
diff --git a/drivers/bios_emulator/x86emu/sys.c b/drivers/bios_emulator/x86emu/sys.c
index 21f9730..0ba9c0c 100644
--- a/drivers/bios_emulator/x86emu/sys.c
+++ b/drivers/bios_emulator/x86emu/sys.c
@@ -273,6 +273,11 @@ void X86EMU_setupPioFuncs(X86EMU_pioFuncs * funcs)
sys_outl = funcs->outl;
}
+void X86EMU_setupIntrFunc(int intnum, X86EMU_intrFuncs func)
+{
+ _X86EMU_intrTab[intnum] = func;
+}
+
/****************************************************************************
PARAMETERS:
funcs - New interrupt vector table to make active
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index e73a498..55d6a9b 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -6,7 +6,7 @@
#
obj-$(CONFIG_FSL_PCI_INIT) += fsl_pci_init.o
-obj-$(CONFIG_PCI) += pci.o pci_auto.o
+obj-$(CONFIG_PCI) += pci.o pci_auto.o pci_rom.o
obj-$(CONFIG_PCI_INDIRECT_BRIDGE) += pci_indirect.o
obj-$(CONFIG_PCI_GT64120) += pci_gt64120.o
obj-$(CONFIG_PCI_MSC01) += pci_msc01.o
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 7ee21d1..3daf73c 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -366,9 +366,27 @@ phys_addr_t pci_hose_bus_to_phys(struct pci_controller* hose,
return phys_addr;
}
-/*
- *
- */
+void pci_write_bar32(struct pci_controller *hose, pci_dev_t dev, int barnum,
+ u32 addr_and_ctrl)
+{
+ int bar;
+
+ bar = PCI_BASE_ADDRESS_0 + barnum * 4;
+ pci_hose_write_config_dword(hose, dev, bar, addr_and_ctrl);
+}
+
+u32 pci_read_bar32(struct pci_controller *hose, pci_dev_t dev, int barnum)
+{
+ u32 addr;
+ int bar;
+
+ bar = PCI_BASE_ADDRESS_0 + barnum * 4;
+ pci_hose_read_config_dword(hose, dev, bar, &addr);
+ if (addr & PCI_BASE_ADDRESS_SPACE_IO)
+ return addr & PCI_BASE_ADDRESS_IO_MASK;
+ else
+ return addr & PCI_BASE_ADDRESS_MEM_MASK;
+}
int pci_hose_config_device(struct pci_controller *hose,
pci_dev_t dev,
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
new file mode 100644
index 0000000..af6a3ae
--- /dev/null
+++ b/drivers/pci/pci_rom.c
@@ -0,0 +1,278 @@
+/*
+ * Copyright (C) 2014 Google, Inc
+ *
+ * From coreboot, originally based on the Linux kernel (drivers/pci/pci.c).
+ *
+ * Modifications are:
+ * Copyright (C) 2003-2004 Linux Networx
+ * (Written by Eric Biederman <ebiederman@lnxi.com> for Linux Networx)
+ * Copyright (C) 2003-2006 Ronald G. Minnich <rminnich@gmail.com>
+ * Copyright (C) 2004-2005 Li-Ta Lo <ollie@lanl.gov>
+ * Copyright (C) 2005-2006 Tyan
+ * (Written by Yinghai Lu <yhlu@tyan.com> for Tyan)
+ * Copyright (C) 2005-2009 coresystems GmbH
+ * (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH)
+ *
+ * PCI Bus Services, see include/linux/pci.h for further explanation.
+ *
+ * Copyright 1993 -- 1997 Drew Eckhardt, Frederic Potter,
+ * David Mosberger-Tang
+ *
+ * Copyright 1997 -- 1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <bios_emul.h>
+#include <errno.h>
+#include <malloc.h>
+#include <pci.h>
+#include <pci_rom.h>
+#include <vbe.h>
+#include <video_fb.h>
+
+#ifdef CONFIG_HAVE_ACPI_RESUME
+#include <asm/acpi.h>
+#endif
+
+__weak bool board_should_run_oprom(pci_dev_t dev)
+{
+ return true;
+}
+
+static bool should_load_oprom(pci_dev_t dev)
+{
+#ifdef CONFIG_HAVE_ACPI_RESUME
+ if (acpi_get_slp_type() == 3)
+ return false;
+#endif
+ if (IS_ENABLED(CONFIG_ALWAYS_LOAD_OPROM))
+ return 1;
+ if (board_should_run_oprom(dev))
+ return 1;
+
+ return 0;
+}
+
+__weak uint32_t board_map_oprom_vendev(uint32_t vendev)
+{
+ return vendev;
+}
+
+static int pci_rom_probe(pci_dev_t dev, uint class,
+ struct pci_rom_header **hdrp)
+{
+ struct pci_rom_header *rom_header;
+ struct pci_rom_data *rom_data;
+ u16 vendor, device;
+ u32 vendev;
+ u32 mapped_vendev;
+ u32 rom_address;
+
+ pci_read_config_word(dev, PCI_VENDOR_ID, &vendor);
+ pci_read_config_word(dev, PCI_DEVICE_ID, &device);
+ vendev = vendor << 16 | device;
+ mapped_vendev = board_map_oprom_vendev(vendev);
+ if (vendev != mapped_vendev)
+ debug("Device ID mapped to %#08x\n", mapped_vendev);
+
+#ifdef CONFIG_X86_OPTION_ROM_ADDR
+ rom_address = CONFIG_X86_OPTION_ROM_ADDR;
+#else
+ pci_write_config_dword(dev, PCI_ROM_ADDRESS, (u32)PCI_ROM_ADDRESS_MASK);
+ pci_read_config_dword(dev, PCI_ROM_ADDRESS, &rom_address);
+ if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
+ debug("%s: rom_address=%x\n", __func__, rom_address);
+ return -ENOENT;
+ }
+
+ /* Enable expansion ROM address decoding. */
+ pci_write_config_dword(dev, PCI_ROM_ADDRESS,
+ rom_address | PCI_ROM_ADDRESS_ENABLE);
+#endif
+ debug("Option ROM address %x\n", rom_address);
+ rom_header = (struct pci_rom_header *)rom_address;
+
+ debug("PCI expansion ROM, signature %#04x, INIT size %#04x, data ptr %#04x\n",
+ le32_to_cpu(rom_header->signature),
+ rom_header->size * 512, le32_to_cpu(rom_header->data));
+
+ if (le32_to_cpu(rom_header->signature) != PCI_ROM_HDR) {
+ printf("Incorrect expansion ROM header signature %04x\n",
+ le32_to_cpu(rom_header->signature));
+ return -EINVAL;
+ }
+
+ rom_data = (((void *)rom_header) + le32_to_cpu(rom_header->data));
+
+ debug("PCI ROM image, vendor ID %04x, device ID %04x,\n",
+ rom_data->vendor, rom_data->device);
+
+ /* If the device id is mapped, a mismatch is expected */
+ if ((vendor != rom_data->vendor || device != rom_data->device) &&
+ (vendev == mapped_vendev)) {
+ printf("ID mismatch: vendor ID %04x, device ID %04x\n",
+ rom_data->vendor, rom_data->device);
+ return -EPERM;
+ }
+
+ debug("PCI ROM image, Class Code %04x%02x, Code Type %02x\n",
+ rom_data->class_hi, rom_data->class_lo, rom_data->type);
+
+ if (class != ((rom_data->class_hi << 8) | rom_data->class_lo)) {
+ debug("Class Code mismatch ROM %08x, dev %08x\n",
+ (rom_data->class_hi << 8) | rom_data->class_lo,
+ class);
+ }
+ *hdrp = rom_header;
+
+ return 0;
+}
+
+int pci_rom_load(uint16_t class, struct pci_rom_header *rom_header,
+ struct pci_rom_header **ram_headerp)
+{
+ struct pci_rom_data *rom_data;
+ unsigned int rom_size;
+ unsigned int image_size = 0;
+ void *target;
+
+ do {
+ /* Get next image, until we see an x86 version */
+ rom_header = (struct pci_rom_header *)((void *)rom_header +
+ image_size);
+
+ rom_data = (struct pci_rom_data *)((void *)rom_header +
+ le32_to_cpu(rom_header->data));
+
+ image_size = le32_to_cpu(rom_data->ilen) * 512;
+ } while ((rom_data->type != 0) && (rom_data->indicator != 0));
+
+ if (rom_data->type != 0)
+ return -EACCES;
+
+ rom_size = rom_header->size * 512;
+
+ target = (void *)PCI_VGA_RAM_IMAGE_START;
+ if (target != rom_header) {
+ debug("Copying VGA ROM Image from %p to %p, 0x%x bytes\n",
+ rom_header, target, rom_size);
+ memcpy(target, rom_header, rom_size);
+ if (memcmp(target, rom_header, rom_size)) {
+ printf("VGA ROM copy failed\n");
+ return -EFAULT;
+ }
+ }
+ *ram_headerp = target;
+
+ return 0;
+}
+
+static struct vbe_mode_info mode_info;
+
+int vbe_get_video_info(struct graphic_device *gdev)
+{
+#ifdef CONFIG_FRAMEBUFFER_SET_VESA_MODE
+ struct vesa_mode_info *vesa = &mode_info.vesa;
+
+ gdev->winSizeX = vesa->x_resolution;
+ gdev->winSizeY = vesa->y_resolution;
+
+ gdev->plnSizeX = vesa->x_resolution;
+ gdev->plnSizeY = vesa->y_resolution;
+
+ gdev->gdfBytesPP = vesa->bits_per_pixel / 8;
+
+ switch (vesa->bits_per_pixel) {
+ case 24:
+ gdev->gdfIndex = GDF_32BIT_X888RGB;
+ break;
+ case 16:
+ gdev->gdfIndex = GDF_16BIT_565RGB;
+ break;
+ default:
+ gdev->gdfIndex = GDF__8BIT_INDEX;
+ break;
+ }
+
+ gdev->isaBase = CONFIG_SYS_ISA_IO_BASE_ADDRESS;
+ gdev->pciBase = vesa->phys_base_ptr;
+
+ gdev->frameAdrs = vesa->phys_base_ptr;
+ gdev->memSize = vesa->bytes_per_scanline * vesa->y_resolution;
+
+ gdev->vprBase = vesa->phys_base_ptr;
+ gdev->cprBase = vesa->phys_base_ptr;
+
+ return 0;
+#else
+ return -ENOSYS;
+#endif
+}
+
+int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate)
+{
+ struct pci_rom_header *rom, *ram;
+ int vesa_mode = -1;
+ uint16_t class;
+ int ret;
+
+ /* Only execute VGA ROMs */
+ pci_read_config_word(dev, PCI_CLASS_DEVICE, &class);
+ if ((class ^ PCI_CLASS_DISPLAY_VGA) & 0xff00) {
+ debug("%s: Class %#x, should be %#x\n", __func__, class,
+ PCI_CLASS_DISPLAY_VGA);
+ return -ENODEV;
+ }
+
+ if (!should_load_oprom(dev))
+ return -ENXIO;
+
+ ret = pci_rom_probe(dev, class, &rom);
+ if (ret)
+ return ret;
+
+ ret = pci_rom_load(class, rom, &ram);
+ if (ret)
+ return ret;
+
+ if (!board_should_run_oprom(dev))
+ return -ENXIO;
+
+#if defined(CONFIG_FRAMEBUFFER_SET_VESA_MODE) && \
+ defined(CONFIG_FRAMEBUFFER_VESA_MODE)
+ vesa_mode = CONFIG_FRAMEBUFFER_VESA_MODE;
+#endif
+ debug("Selected vesa mode %d\b", vesa_mode);
+ if (emulate) {
+#ifdef CONFIG_BIOSEMU
+ BE_VGAInfo *info;
+
+ ret = biosemu_setup(dev, &info);
+ if (ret)
+ return ret;
+ biosemu_set_interrupt_handler(0x15, int15_handler);
+ ret = biosemu_run(dev, (uchar *)ram, 1 << 16, info, true,
+ vesa_mode, &mode_info);
+ if (ret)
+ return ret;
+#else
+ printf("BIOS emulation not available - see CONFIG_BIOSEMU\n");
+ return -ENOSYS;
+#endif
+ } else {
+#ifdef CONFIG_X86
+ bios_set_interrupt_handler(0x15, int15_handler);
+
+ bios_run_on_x86(dev, (unsigned long)ram, vesa_mode,
+ &mode_info);
+#else
+ printf("BIOS native execution is only available on x86\n");
+ return -ENOSYS;
+#endif
+ }
+ debug("Final vesa mode %d\n", mode_info.video_mode);
+
+ return 0;
+}
diff --git a/drivers/rtc/bfin_rtc.c b/drivers/rtc/bfin_rtc.c
index 21a2189..4cf2d83 100644
--- a/drivers/rtc/bfin_rtc.c
+++ b/drivers/rtc/bfin_rtc.c
@@ -27,7 +27,7 @@
#define NUM_SECS_IN_DAY DAYS_TO_SECS(1)
/* Enable the RTC prescaler enable register */
-static void rtc_init(void)
+void rtc_init(void)
{
if (!(bfin_read_RTC_PREN() & 0x1))
bfin_write_RTC_PREN(0x1);
diff --git a/drivers/rtc/mc146818.c b/drivers/rtc/mc146818.c
index f7cf106..39e6041 100644
--- a/drivers/rtc/mc146818.c
+++ b/drivers/rtc/mc146818.c
@@ -14,6 +14,7 @@
#include <common.h>
#include <command.h>
#include <rtc.h>
+#include <version.h>
#if defined(__I386__) || defined(CONFIG_MALTA)
#include <asm/io.h>
@@ -23,6 +24,9 @@
#if defined(CONFIG_CMD_DATE)
+/* Set this to 1 to clear the CMOS RAM */
+#define CLEAR_CMOS 0
+
static uchar rtc_read (uchar reg);
static void rtc_write (uchar reg, uchar val);
@@ -41,7 +45,14 @@ static void rtc_write (uchar reg, uchar val);
#define RTC_CONFIG_B 0x0B
#define RTC_CONFIG_C 0x0C
#define RTC_CONFIG_D 0x0D
+#define RTC_REG_SIZE 0x80
+
+#define RTC_CONFIG_A_REF_CLCK_32KHZ (1 << 5)
+#define RTC_CONFIG_A_RATE_1024HZ 6
+#define RTC_CONFIG_B_24H (1 << 1)
+
+#define RTC_CONFIG_D_VALID_RAM_AND_TIME 0x80
/* ------------------------------------------------------------------------- */
@@ -128,25 +139,49 @@ void rtc_reset (void)
*/
static uchar rtc_read (uchar reg)
{
- return(in8(CONFIG_SYS_RTC_REG_BASE_ADDR+reg));
+ return in8(CONFIG_SYS_RTC_REG_BASE_ADDR + reg);
}
static void rtc_write (uchar reg, uchar val)
{
- out8(CONFIG_SYS_RTC_REG_BASE_ADDR+reg, val);
+ out8(CONFIG_SYS_RTC_REG_BASE_ADDR + reg, val);
}
#else
static uchar rtc_read (uchar reg)
{
out8(RTC_PORT_MC146818,reg);
- return(in8(RTC_PORT_MC146818+1));
+ return in8(RTC_PORT_MC146818 + 1);
}
static void rtc_write (uchar reg, uchar val)
{
out8(RTC_PORT_MC146818,reg);
- out8(RTC_PORT_MC146818+1,val);
+ out8(RTC_PORT_MC146818+1, val);
}
#endif
+void rtc_init(void)
+{
+#if CLEAR_CMOS
+ int i;
+
+ rtc_write(RTC_SECONDS_ALARM, 0);
+ rtc_write(RTC_MINUTES_ALARM, 0);
+ rtc_write(RTC_HOURS_ALARM, 0);
+ for (i = RTC_CONFIG_A; i < RTC_REG_SIZE; i++)
+ rtc_write(i, 0);
+ printf("RTC: zeroing CMOS RAM\n");
+#endif
+
+ /* Setup the real time clock */
+ rtc_write(RTC_CONFIG_B, RTC_CONFIG_B_24H);
+ /* Setup the frequency it operates at */
+ rtc_write(RTC_CONFIG_A, RTC_CONFIG_A_REF_CLCK_32KHZ |
+ RTC_CONFIG_A_RATE_1024HZ);
+ /* Ensure all reserved bits are 0 in register D */
+ rtc_write(RTC_CONFIG_D, RTC_CONFIG_D_VALID_RAM_AND_TIME);
+
+ /* Clear any pending interrupts */
+ rtc_read(RTC_CONFIG_C);
+}
#endif
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 7301be3..00b563f 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -42,6 +42,7 @@ obj-$(CONFIG_VIDEO_SMI_LYNXEM) += smiLynxEM.o videomodes.o
obj-$(CONFIG_VIDEO_SUNXI) += sunxi_display.o
obj-$(CONFIG_VIDEO_TEGRA) += tegra.o
obj-$(CONFIG_VIDEO_VCXK) += bus_vcxk.o
+obj-$(CONFIG_VIDEO_X86) += x86_fb.o
obj-$(CONFIG_FORMIKE) += formike.o
obj-$(CONFIG_AM335X_LCD) += am335x-fb.o
obj-$(CONFIG_VIDEO_PARADE) += parade.o
diff --git a/drivers/video/ati_radeon_fb.c b/drivers/video/ati_radeon_fb.c
index 618f5d9..5748951 100644
--- a/drivers/video/ati_radeon_fb.c
+++ b/drivers/video/ati_radeon_fb.c
@@ -19,6 +19,7 @@
#include <common.h>
#include <command.h>
+#include <bios_emul.h>
#include <pci.h>
#include <asm/processor.h>
#include <asm/errno.h>
@@ -544,7 +545,6 @@ void radeon_setmode_9200(int vesa_idx, int bpp)
}
#include "../bios_emulator/include/biosemu.h"
-extern int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo ** pVGAInfo, int cleanUp);
int radeon_probe(struct radeonfb_info *rinfo)
{
diff --git a/drivers/video/x86_fb.c b/drivers/video/x86_fb.c
new file mode 100644
index 0000000..8743a8c
--- /dev/null
+++ b/drivers/video/x86_fb.c
@@ -0,0 +1,37 @@
+/*
+ *
+ * Vesa frame buffer driver for x86
+ *
+ * Copyright (C) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <video_fb.h>
+#include <vbe.h>
+#include "videomodes.h"
+
+/*
+ * The Graphic Device
+ */
+GraphicDevice ctfb;
+
+void *video_hw_init(void)
+{
+ GraphicDevice *gdev = &ctfb;
+ int bits_per_pixel;
+
+ printf("Video: ");
+ if (vbe_get_video_info(gdev)) {
+ printf("No video mode configured\n");
+ return NULL;
+ }
+
+ bits_per_pixel = gdev->gdfBytesPP * 8;
+ sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY,
+ bits_per_pixel);
+ printf("%s\n", gdev->modeIdent);
+
+ return (void *)gdev;
+}