diff options
| -rw-r--r-- | Makefile | 10 | ||||
| -rw-r--r-- | board/incaip/incaip.c | 6 | ||||
| -rw-r--r-- | board/incaip/lowlevel_init.S | 6 | ||||
| -rw-r--r-- | board/purple/purple.c | 8 | ||||
| -rw-r--r-- | board/tb0229/tb0229.c | 9 | ||||
| -rw-r--r-- | cpu/mips/cache.S | 209 | ||||
| -rw-r--r-- | cpu/mips/cpu.c | 35 | ||||
| -rw-r--r-- | cpu/mips/start.S | 48 | ||||
| -rw-r--r-- | include/asm-mips/asm.h | 409 | ||||
| -rw-r--r-- | include/asm-mips/byteorder.h | 60 | ||||
| -rw-r--r-- | include/asm-mips/cachectl.h | 10 | ||||
| -rw-r--r-- | include/asm-mips/cacheops.h | 78 | ||||
| -rw-r--r-- | include/asm-mips/isadep.h | 5 | ||||
| -rw-r--r-- | include/asm-mips/processor.h | 249 | ||||
| -rw-r--r-- | include/asm-mips/ptrace.h | 67 | ||||
| -rw-r--r-- | include/asm-mips/reboot.h | 14 | ||||
| -rw-r--r-- | include/asm-mips/reg.h | 134 | ||||
| -rw-r--r-- | include/asm-mips/regdef.h | 126 | ||||
| -rw-r--r-- | include/asm-mips/types.h | 30 |
19 files changed, 1058 insertions, 455 deletions
@@ -2472,11 +2472,6 @@ cm4008_config : unconfig cm41xx_config : unconfig @$(MKCONFIG) $(@:_config=) arm arm920t cm41xx NULL ks8695 -gth2_config : unconfig - @mkdir -p $(obj)include - @echo "#define CONFIG_GTH2 1" >$(obj)include/config.h - @$(MKCONFIG) -a gth2 mips mips gth2 - ######################################################################### ## S3C44B0 Systems ######################################################################### @@ -2679,6 +2674,11 @@ pb1000_config : unconfig @echo "#define CONFIG_PB1000 1" >$(obj)include/config.h @$(MKCONFIG) -a pb1x00 mips mips pb1x00 +gth2_config: unconfig + @mkdir -p $(obj)include + @echo "#define CONFIG_GTH2 1" >$(obj)include/config.h + @$(MKCONFIG) -a gth2 mips mips gth2 + qemu_mips_config: unconfig @mkdir -p $(obj)include @echo "#define CONFIG_QEMU_MIPS 1" >$(obj)include/config.h diff --git a/board/incaip/incaip.c b/board/incaip/incaip.c index dbf0ecc..c624b3d 100644 --- a/board/incaip/incaip.c +++ b/board/incaip/incaip.c @@ -26,9 +26,15 @@ #include <asm/addrspace.h> #include <asm/inca-ip.h> #include <asm/io.h> +#include <asm/reboot.h> extern uint incaip_get_cpuclk(void); +void _machine_restart(void) +{ + *INCA_IP_WDT_RST_REQ = 0x3f; +} + static ulong max_sdram_size(void) { /* The only supported SDRAM data width is 16bit. diff --git a/board/incaip/lowlevel_init.S b/board/incaip/lowlevel_init.S index 14d738a..b39f93d 100644 --- a/board/incaip/lowlevel_init.S +++ b/board/incaip/lowlevel_init.S @@ -276,6 +276,12 @@ __sdram_init: .ent lowlevel_init lowlevel_init: + /* Disable Watchdog. + */ + la t9, disable_incaip_wdt + jalr t9 + nop + /* EBU, CGU and SDRAM Initialization. */ li a0, CPU_CLOCK_RATE diff --git a/board/purple/purple.c b/board/purple/purple.c index 74718af..13a1455 100644 --- a/board/purple/purple.c +++ b/board/purple/purple.c @@ -29,6 +29,7 @@ #include <asm/io.h> #include <asm/addrspace.h> #include <asm/cacheops.h> +#include <asm/reboot.h> #include "sconsole.h" @@ -52,6 +53,13 @@ extern int asc_serial_getc (void); extern int asc_serial_tstc (void); extern void asc_serial_setbrg (void); +void _machine_restart(void) +{ + void (*f)(void) = (void *) 0xbfc00000; + + f(); +} + static void sdram_timing_init (ulong size) { register uint pass; diff --git a/board/tb0229/tb0229.c b/board/tb0229/tb0229.c index 61c2e9b..d08b422 100644 --- a/board/tb0229/tb0229.c +++ b/board/tb0229/tb0229.c @@ -12,10 +12,17 @@ #include <common.h> #include <command.h> #include <asm/addrspace.h> -#include <asm/inca-ip.h> #include <asm/io.h> +#include <asm/reboot.h> #include <pci.h> +void _machine_restart(void) +{ + void (*f)(void) = (void *) 0xbfc00000; + + f(); +} + #if defined(CONFIG_PCI) static struct pci_controller hose; diff --git a/cpu/mips/cache.S b/cpu/mips/cache.S index 443240e..89ada71 100644 --- a/cpu/mips/cache.S +++ b/cpu/mips/cache.S @@ -1,5 +1,5 @@ /* - * Cache-handling routined for MIPS 4K CPUs + * Cache-handling routined for MIPS CPUs * * Copyright (c) 2003 Wolfgang Denk <wd@denx.de> * @@ -24,15 +24,32 @@ #include <config.h> #include <version.h> +#include <asm/asm.h> #include <asm/regdef.h> #include <asm/mipsregs.h> #include <asm/addrspace.h> #include <asm/cacheops.h> - /* 16KB is the maximum size of instruction and data caches on - * MIPS 4K. - */ -#define MIPS_MAX_CACHE_SIZE 0x4000 +#define RA t8 + +/* + * 16kB is the maximum size of instruction and data caches on MIPS 4K, + * 64kB is on 4KE, 24K, 5K, etc. Set bigger size for convenience. + * + * Note that the above size is the maximum size of primary cache. U-Boot + * doesn't have L2 cache support for now. + */ +#define MIPS_MAX_CACHE_SIZE 0x10000 + +#define INDEX_BASE KSEG0 + + .macro cache_op op addr + .set push + .set noreorder + .set mips3 + cache \op, 0(\addr) + .set pop + .endm /* * cacheop macro to automate cache operations @@ -103,6 +120,77 @@ #define icacheop(kva, n, cacheSize, cacheLineSize, op) \ icacheopn(kva, n, cacheSize, cacheLineSize, 1, (op)) + .macro f_fill64 dst, offset, val + LONG_S \val, (\offset + 0 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 1 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 2 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 3 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 4 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 5 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 6 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 7 * LONGSIZE)(\dst) +#if LONGSIZE == 4 + LONG_S \val, (\offset + 8 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 9 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 10 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 11 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 12 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 13 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 14 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 15 * LONGSIZE)(\dst) +#endif + .endm + +/* + * mips_init_icache(uint PRId, ulong icache_size, unchar icache_linesz) + */ +LEAF(mips_init_icache) + blez a1, 9f + mtc0 zero, CP0_TAGLO + /* clear tag to invalidate */ + PTR_LI t0, INDEX_BASE + PTR_ADDU t1, t0, a1 +1: cache_op Index_Store_Tag_I t0 + PTR_ADDU t0, a2 + bne t0, t1, 1b + /* fill once, so data field parity is correct */ + PTR_LI t0, INDEX_BASE +2: cache_op Fill t0 + PTR_ADDU t0, a2 + bne t0, t1, 2b + /* invalidate again - prudent but not strictly neccessary */ + PTR_LI t0, INDEX_BASE +1: cache_op Index_Store_Tag_I t0 + PTR_ADDU t0, a2 + bne t0, t1, 1b +9: jr ra + END(mips_init_icache) + +/* + * mips_init_dcache(uint PRId, ulong dcache_size, unchar dcache_linesz) + */ +LEAF(mips_init_dcache) + blez a1, 9f + mtc0 zero, CP0_TAGLO + /* clear all tags */ + PTR_LI t0, INDEX_BASE + PTR_ADDU t1, t0, a1 +1: cache_op Index_Store_Tag_D t0 + PTR_ADDU t0, a2 + bne t0, t1, 1b + /* load from each line (in cached space) */ + PTR_LI t0, INDEX_BASE +2: LONG_L zero, 0(t0) + PTR_ADDU t0, a2 + bne t0, t1, 2b + /* clear all tags */ + PTR_LI t0, INDEX_BASE +1: cache_op Index_Store_Tag_D t0 + PTR_ADDU t0, a2 + bne t0, t1, 1b +9: jr ra + END(mips_init_dcache) + /******************************************************************************* * * mips_cache_reset - low level initialisation of the primary caches @@ -119,10 +207,8 @@ * RETURNS: N/A * */ - .globl mips_cache_reset - .ent mips_cache_reset -mips_cache_reset: - +NESTED(mips_cache_reset, 0, ra) + move RA, ra li t2, CFG_ICACHE_SIZE li t3, CFG_DCACHE_SIZE li t4, CFG_CACHELINE_SIZE @@ -130,27 +216,14 @@ mips_cache_reset: li v0, MIPS_MAX_CACHE_SIZE - /* Now clear that much memory starting from zero. - */ - - li a0, KSEG1 - addu a1, a0, v0 -2: - sw zero, 0(a0) - sw zero, 4(a0) - sw zero, 8(a0) - sw zero, 12(a0) - sw zero, 16(a0) - sw zero, 20(a0) - sw zero, 24(a0) - sw zero, 28(a0) - addu a0, 32 - bltu a0, a1, 2b - - /* Set invalid tag. + /* + * Now clear that much memory starting from zero. */ - - mtc0 zero, CP0_TAGLO + PTR_LI a0, KSEG1 + PTR_ADDU a1, a0, v0 +2: PTR_ADDIU a0, 64 + f_fill64 a0, -64, zero + bne a0, a1, 2b /* * The caches are probably in an indeterminate state, @@ -158,48 +231,26 @@ mips_cache_reset: * invalidate, load/fill, invalidate for each line. */ - /* Assume bottom of RAM will generate good parity for the cache. - */ - - li a0, K0BASE - move a2, t2 # icacheSize - move a3, t4 # icacheLineSize - move a1, a2 - icacheopn(a0,a1,a2,a3,121,(Index_Store_Tag_I,Fill)) - - /* To support Orion/R4600, we initialise the data cache in 3 passes. - */ - - /* 1: initialise dcache tags. + /* + * Assume bottom of RAM will generate good parity for the cache. */ - li a0, K0BASE - move a2, t3 # dcacheSize - move a3, t5 # dcacheLineSize - move a1, a2 - icacheop(a0,a1,a2,a3,Index_Store_Tag_D) - - /* 2: fill dcache. + /* + * Initialize the I-cache first, */ + move a1, t2 + move a2, t4 + bal mips_init_icache - li a0, K0BASE - move a2, t3 # dcacheSize - move a3, t5 # dcacheLineSize - move a1, a2 - icacheopn(a0,a1,a2,a3,1lw,(dummy)) - - /* 3: clear dcache tags. + /* + * then initialize D-cache. */ + move a1, t3 + move a2, t5 + bal mips_init_dcache - li a0, K0BASE - move a2, t3 # dcacheSize - move a3, t5 # dcacheLineSize - move a1, a2 - icacheop(a0,a1,a2,a3,Index_Store_Tag_D) - - j ra - - .end mips_cache_reset + jr RA + END(mips_cache_reset) /******************************************************************************* * @@ -208,15 +259,15 @@ mips_cache_reset: * RETURNS: 0 - cache disabled; 1 - cache enabled * */ - .globl dcache_status - .ent dcache_status -dcache_status: - - mfc0 v0, CP0_CONFIG - andi v0, v0, 1 - j ra - - .end dcache_status +LEAF(dcache_status) + mfc0 t0, CP0_CONFIG + li t1, CONF_CM_UNCACHED + andi t0, t0, CONF_CM_CMASK + move v0, zero + beq t0, t1, 2f + li v0, 1 +2: jr ra + END(dcache_status) /******************************************************************************* * @@ -225,19 +276,16 @@ dcache_status: * RETURNS: N/A * */ - .globl dcache_disable - .ent dcache_disable -dcache_disable: - +LEAF(dcache_disable) mfc0 t0, CP0_CONFIG li t1, -8 and t0, t0, t1 ori t0, t0, CONF_CM_UNCACHED mtc0 t0, CP0_CONFIG j ra + END(dcache_disable) - .end dcache_disable - +#ifdef CFG_INIT_RAM_LOCK_MIPS /******************************************************************************* * * mips_cache_lock - lock RAM area pointed to by a0 in cache. @@ -263,3 +311,4 @@ mips_cache_lock: j ra .end mips_cache_lock +#endif /* CFG_INIT_RAM_LOCK_MIPS */ diff --git a/cpu/mips/cpu.c b/cpu/mips/cpu.c index 7559ac6..8b43d8e 100644 --- a/cpu/mips/cpu.c +++ b/cpu/mips/cpu.c @@ -23,24 +23,45 @@ #include <common.h> #include <command.h> -#include <asm/inca-ip.h> #include <asm/mipsregs.h> +#include <asm/cacheops.h> +#include <asm/reboot.h> + +#define cache_op(op,addr) \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set noreorder \n" \ + " .set mips3\n\t \n" \ + " cache %0, %1 \n" \ + " .set pop \n" \ + : \ + : "i" (op), "R" (*(unsigned char *)(addr))) + +void __attribute__((weak)) _machine_restart(void) +{ +} int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { -#if defined(CONFIG_INCA_IP) - *INCA_IP_WDT_RST_REQ = 0x3f; -#elif defined(CONFIG_PURPLE) || defined(CONFIG_TB0229) - void (*f)(void) = (void *) 0xbfc00000; + _machine_restart(); - f(); -#endif fprintf(stderr, "*** reset failed ***\n"); return 0; } void flush_cache(ulong start_addr, ulong size) { + unsigned long lsize = CFG_CACHELINE_SIZE; + unsigned long addr = start_addr & ~(lsize - 1); + unsigned long aend = (start_addr + size - 1) & ~(lsize - 1); + + while (1) { + cache_op(Hit_Writeback_Inv_D, start_addr); + cache_op(Hit_Invalidate_I, start_addr); + if (addr == aend) + break; + addr += lsize; + } } void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0, u32 low1) diff --git a/cpu/mips/start.S b/cpu/mips/start.S index c92b162..baac2ce 100644 --- a/cpu/mips/start.S +++ b/cpu/mips/start.S @@ -27,6 +27,30 @@ #include <asm/regdef.h> #include <asm/mipsregs.h> + /* + * For the moment disable interrupts, mark the kernel mode and + * set ST0_KX so that the CPU does not spit fire when using + * 64-bit addresses. + */ + .macro setup_c0_status set clr + .set push + mfc0 t0, CP0_STATUS + or t0, ST0_CU0 | \set | 0x1f | \clr + xor t0, 0x1f | \clr + mtc0 t0, CP0_STATUS + .set noreorder + sll zero, 3 # ehb + .set pop + .endm + + .macro setup_c0_status_reset +#ifdef CONFIG_64BIT + setup_c0_status ST0_KX 0 +#else + setup_c0_status 0 0 +#endif + .endm + #define RVECENT(f,n) \ b f; nop #define XVECENT(f,bev) \ @@ -211,19 +235,11 @@ reset: mtc0 zero, CP0_WATCHLO mtc0 zero, CP0_WATCHHI - /* STATUS register */ -#ifdef CONFIG_TB0229 - li k0, ST0_CU0 -#else - mfc0 k0, CP0_STATUS -#endif - li k1, ~ST0_IE - and k0, k1 - mtc0 k0, CP0_STATUS - - /* CAUSE register */ + /* WP(Watch Pending), SW0/1 should be cleared. */ mtc0 zero, CP0_CAUSE + setup_c0_status_reset + /* Init Timer */ mtc0 zero, CP0_COUNT mtc0 zero, CP0_COMPARE @@ -240,14 +256,6 @@ reset: 1: lw gp, 0(ra) -#ifdef CONFIG_INCA_IP - /* Disable INCA-IP Watchdog. - */ - la t9, disable_incaip_wdt - jalr t9 - nop -#endif - /* Initialize any external memory. */ la t9, lowlevel_init @@ -267,10 +275,12 @@ reset: /* Set up temporary stack. */ +#ifdef CFG_INIT_RAM_LOCK_MIPS li a0, CFG_INIT_SP_OFFSET la t9, mips_cache_lock jalr t9 nop +#endif li t0, CFG_SDRAM_BASE + CFG_INIT_SP_OFFSET la sp, 0(t0) diff --git a/include/asm-mips/asm.h b/include/asm-mips/asm.h new file mode 100644 index 0000000..608cfcf --- /dev/null +++ b/include/asm-mips/asm.h @@ -0,0 +1,409 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1995, 1996, 1997, 1999, 2001 by Ralf Baechle + * Copyright (C) 1999 by Silicon Graphics, Inc. + * Copyright (C) 2001 MIPS Technologies, Inc. + * Copyright (C) 2002 Maciej W. Rozycki + * + * Some useful macros for MIPS assembler code + * + * Some of the routines below contain useless nops that will be optimized + * away by gas in -O mode. These nops are however required to fill delay + * slots in noreorder mode. + */ +#ifndef __ASM_ASM_H +#define __ASM_ASM_H + +#include <asm/sgidefs.h> + +#ifndef CAT +#ifdef __STDC__ +#define __CAT(str1, str2) str1##str2 +#else +#define __CAT(str1, str2) str1/**/str2 +#endif +#define CAT(str1, str2) __CAT(str1, str2) +#endif + +/* + * PIC specific declarations + * Not used for the kernel but here seems to be the right place. + */ +#ifdef __PIC__ +#define CPRESTORE(register) \ + .cprestore register +#define CPADD(register) \ + .cpadd register +#define CPLOAD(register) \ + .cpload register +#else +#define CPRESTORE(register) +#define CPADD(register) +#define CPLOAD(register) +#endif + +/* + * LEAF - declare leaf routine + */ +#define LEAF(symbol) \ + .globl symbol; \ + .align 2; \ + .type symbol, @function; \ + .ent symbol, 0; \ +symbol: .frame sp, 0, ra + +/* + * NESTED - declare nested routine entry point + */ +#define NESTED(symbol, framesize, rpc) \ + .globl symbol; \ + .align 2; \ + .type symbol, @function; \ + .ent symbol, 0; \ +symbol: .frame sp, framesize, rpc + +/* + * END - mark end of function + */ +#define END(function) \ + .end function; \ + .size function, .-function + +/* + * EXPORT - export definition of symbol + */ +#define EXPORT(symbol) \ + .globl symbol; \ +symbol: + +/* + * FEXPORT - export definition of a function symbol + */ +#define FEXPORT(symbol) \ + .globl symbol; \ + .type symbol, @function; \ +symbol: + +/* + * ABS - export absolute symbol + */ +#define ABS(symbol,value) \ + .globl symbol; \ +symbol = value + +#define PANIC(msg) \ + .set push; \ + .set reorder; \ + PTR_LA a0, 8f; \ + jal panic; \ +9: b 9b; \ + .set pop; \ + TEXT(msg) + +/* + * Print formatted string + */ +#ifdef CONFIG_PRINTK +#define PRINT(string) \ + .set push; \ + .set reorder; \ + PTR_LA a0, 8f; \ + jal printk; \ + .set pop; \ + TEXT(string) +#else +#define PRINT(string) +#endif + +#define TEXT(msg) \ + .pushsection .data; \ +8: .asciiz msg; \ + .popsection; + +/* + * Build text tables + */ +#define TTABLE(string) \ + .pushsection .text; \ + .word 1f; \ + .popsection \ + .pushsection .data; \ +1: .asciiz string; \ + .popsection + +/* + * MIPS IV pref instruction. + * Use with .set noreorder only! + * + * MIPS IV implementations are free to treat this as a nop. The R5000 + * is one of them. So we should have an option not to use this instruction. + */ +#ifdef CONFIG_CPU_HAS_PREFETCH + +#define PREF(hint,addr) \ + .set push; \ + .set mips4; \ + pref hint, addr; \ + .set pop + +#define PREFX(hint,addr) \ + .set push; \ + .set mips4; \ + prefx hint, addr; \ + .set pop + +#else /* !CONFIG_CPU_HAS_PREFETCH */ + +#define PREF(hint, addr) +#define PREFX(hint, addr) + +#endif /* !CONFIG_CPU_HAS_PREFETCH */ + +/* + * MIPS ISA IV/V movn/movz instructions and equivalents for older CPUs. + */ +#if (_MIPS_ISA == _MIPS_ISA_MIPS1) +#define MOVN(rd, rs, rt) \ + .set push; \ + .set reorder; \ + beqz rt, 9f; \ + move rd, rs; \ + .set pop; \ +9: +#define MOVZ(rd, rs, rt) \ + .set push; \ + .set reorder; \ + bnez rt, 9f; \ + move rd, rs; \ + .set pop; \ +9: +#endif /* _MIPS_ISA == _MIPS_ISA_MIPS1 */ +#if (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3) +#define MOVN(rd, rs, rt) \ + .set push; \ + .set noreorder; \ + bnezl rt, 9f; \ + move rd, rs; \ + .set pop; \ +9: +#define MOVZ(rd, rs, rt) \ + .set push; \ + .set noreorder; \ + beqzl rt, 9f; \ + move rd, rs; \ + .set pop; \ +9: +#endif /* (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3) */ +#if (_MIPS_ISA == _MIPS_ISA_MIPS4 ) || (_MIPS_ISA == _MIPS_ISA_MIPS5) || \ + (_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64) +#define MOVN(rd, rs, rt) \ + movn rd, rs, rt +#define MOVZ(rd, rs, rt) \ + movz rd, rs, rt +#endif /* MIPS IV, MIPS V, MIPS32 or MIPS64 */ + +/* + * Stack alignment + */ +#if (_MIPS_SIM == _MIPS_SIM_ABI32) +#define ALSZ 7 +#define ALMASK ~7 +#endif +#if (_MIPS_SIM == _MIPS_SIM_NABI32) || (_MIPS_SIM == _MIPS_SIM_ABI64) +#define ALSZ 15 +#define ALMASK ~15 +#endif + +/* + * Macros to handle different pointer/register sizes for 32/64-bit code + */ + +/* + * Size of a register + */ +#ifdef __mips64 +#define SZREG 8 +#else +#define SZREG 4 +#endif + +/* + * Use the following macros in assemblercode to load/store registers, + * pointers etc. + */ +#if (_MIPS_SIM == _MIPS_SIM_ABI32) +#define REG_S sw +#define REG_L lw +#define REG_SUBU subu +#define REG_ADDU addu +#endif +#if (_MIPS_SIM == _MIPS_SIM_NABI32) || (_MIPS_SIM == _MIPS_SIM_ABI64) +#define REG_S sd +#define REG_L ld +#define REG_SUBU dsubu +#define REG_ADDU daddu +#endif + +/* + * How to add/sub/load/store/shift C int variables. + */ +#if (_MIPS_SZINT == 32) +#define INT_ADD add +#define INT_ADDU addu +#define INT_ADDI addi +#define INT_ADDIU addiu +#define INT_SUB sub +#define INT_SUBU subu +#define INT_L lw +#define INT_S sw +#define INT_SLL sll +#define INT_SLLV sllv +#define INT_SRL srl +#define INT_SRLV srlv +#define INT_SRA sra +#define INT_SRAV srav +#endif + +#if (_MIPS_SZINT == 64) +#define INT_ADD dadd +#define INT_ADDU daddu +#define INT_ADDI daddi +#define INT_ADDIU daddiu +#define INT_SUB dsub +#define INT_SUBU dsubu +#define INT_L ld +#define INT_S sd +#define INT_SLL dsll +#define INT_SLLV dsllv +#define INT_SRL dsrl +#define INT_SRLV dsrlv +#define INT_SRA dsra +#define INT_SRAV dsrav +#endif + +/* + * How to add/sub/load/store/shift C long variables. + */ +#if (_MIPS_SZLONG == 32) +#define LONG_ADD add +#define LONG_ADDU addu +#define LONG_ADDI addi +#define LONG_ADDIU addiu +#define LONG_SUB sub +#define LONG_SUBU subu +#define LONG_L lw +#define LONG_S sw +#define LONG_SLL sll +#define LONG_SLLV sllv +#define LONG_SRL srl +#define LONG_SRLV srlv +#define LONG_SRA sra +#define LONG_SRAV srav + +#define LONG .word +#define LONGSIZE 4 +#define LONGMASK 3 +#define LONGLOG 2 +#endif + +#if (_MIPS_SZLONG == 64) +#define LONG_ADD dadd +#define LONG_ADDU daddu +#define LONG_ADDI daddi +#define LONG_ADDIU daddiu +#define LONG_SUB dsub +#define LONG_SUBU dsubu +#define LONG_L ld +#define LONG_S sd +#define LONG_SLL dsll +#define LONG_SLLV dsllv +#define LONG_SRL dsrl +#define LONG_SRLV dsrlv +#define LONG_SRA dsra +#define LONG_SRAV dsrav + +#define LONG .dword +#define LONGSIZE 8 +#define LONGMASK 7 +#define LONGLOG 3 +#endif + +/* + * How to add/sub/load/store/shift pointers. + */ +#if (_MIPS_SZPTR == 32) +#define PTR_ADD add +#define PTR_ADDU addu +#define PTR_ADDI addi +#define PTR_ADDIU addiu +#define PTR_SUB sub +#define PTR_SUBU subu +#define PTR_L lw +#define PTR_S sw +#define PTR_LA la +#define PTR_LI li +#define PTR_SLL sll +#define PTR_SLLV sllv +#define PTR_SRL srl +#define PTR_SRLV srlv +#define PTR_SRA sra +#define PTR_SRAV srav + +#define PTR_SCALESHIFT 2 + +#define PTR .word +#define PTRSIZE 4 +#define PTRLOG 2 +#endif + +#if (_MIPS_SZPTR == 64) +#define PTR_ADD dadd +#define PTR_ADDU daddu +#define PTR_ADDI daddi +#define PTR_ADDIU daddiu +#define PTR_SUB dsub +#define PTR_SUBU dsubu +#define PTR_L ld +#define PTR_S sd +#define PTR_LA dla +#define PTR_LI dli +#define PTR_SLL dsll +#define PTR_SLLV dsllv +#define PTR_SRL dsrl +#define PTR_SRLV dsrlv +#define PTR_SRA dsra +#define PTR_SRAV dsrav + +#define PTR_SCALESHIFT 3 + +#define PTR .dword +#define PTRSIZE 8 +#define PTRLOG 3 +#endif + +/* + * Some cp0 registers were extended to 64bit for MIPS III. + */ +#if (_MIPS_SIM == _MIPS_SIM_ABI32) +#define MFC0 mfc0 +#define MTC0 mtc0 +#endif +#if (_MIPS_SIM == _MIPS_SIM_NABI32) || (_MIPS_SIM == _MIPS_SIM_ABI64) +#define MFC0 dmfc0 +#define MTC0 dmtc0 +#endif + +#define SSNOP sll zero, zero, 1 + +#ifdef CONFIG_SGI_IP28 +/* Inhibit speculative stores to volatile (e.g.DMA) or invalid addresses. */ +#include <asm/cacheops.h> +#define R10KCBARRIER(addr) cache Cache_Barrier, addr; +#else +#define R10KCBARRIER(addr) +#endif + +#endif /* __ASM_ASM_H */ diff --git a/include/asm-mips/byteorder.h b/include/asm-mips/byteorder.h index b9604cf..b5e685f 100644 --- a/include/asm-mips/byteorder.h +++ b/include/asm-mips/byteorder.h @@ -1,18 +1,62 @@ -/* $Id: byteorder.h,v 1.8 1998/11/02 09:29:32 ralf Exp $ - * +/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) by Ralf Baechle + * Copyright (C) 1996, 99, 2003 by Ralf Baechle */ -#ifndef _MIPS_BYTEORDER_H -#define _MIPS_BYTEORDER_H +#ifndef _ASM_BYTEORDER_H +#define _ASM_BYTEORDER_H #include <asm/types.h> #ifdef __GNUC__ +#ifdef CONFIG_CPU_MIPSR2 + +static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x) +{ + __asm__( + " wsbh %0, %1 \n" + : "=r" (x) + : "r" (x)); + + return x; +} +#define __arch__swab16(x) ___arch__swab16(x) + +static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) +{ + __asm__( + " wsbh %0, %1 \n" + " rotr %0, %0, 16 \n" + : "=r" (x) + : "r" (x)); + + return x; +} +#define __arch__swab32(x) ___arch__swab32(x) + +#ifdef CONFIG_CPU_MIPS64_R2 + +static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x) +{ + __asm__( + " dsbh %0, %1 \n" + " dshd %0, %0 \n" + " drotr %0, %0, 32 \n" + : "=r" (x) + : "r" (x)); + + return x; +} + +#define __arch__swab64(x) ___arch__swab64(x) + +#endif /* CONFIG_CPU_MIPS64_R2 */ + +#endif /* CONFIG_CPU_MIPSR2 */ + #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) # define __BYTEORDER_HAS_U64__ # define __SWAB_64_THRU_32__ @@ -20,12 +64,12 @@ #endif /* __GNUC__ */ -#if defined (__MIPSEB__) +#if defined(__MIPSEB__) # include <linux/byteorder/big_endian.h> -#elif defined (__MIPSEL__) +#elif defined(__MIPSEL__) # include <linux/byteorder/little_endian.h> #else # error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???" #endif -#endif /* _MIPS_BYTEORDER_H */ +#endif /* _ASM_BYTEORDER_H */ diff --git a/include/asm-mips/cachectl.h b/include/asm-mips/cachectl.h index 9cc2b87..f3ce721 100644 --- a/include/asm-mips/cachectl.h +++ b/include/asm-mips/cachectl.h @@ -1,10 +1,12 @@ /* - * cachectl.h -- defines for MIPS cache control system calls + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. * * Copyright (C) 1994, 1995, 1996 by Ralf Baechle */ -#ifndef __ASM_MIPS_CACHECTL -#define __ASM_MIPS_CACHECTL +#ifndef _ASM_CACHECTL +#define _ASM_CACHECTL /* * Options for cacheflush system call @@ -21,4 +23,4 @@ #define CACHEABLE 0 /* make pages cacheable */ #define UNCACHEABLE 1 /* make pages uncacheable */ -#endif /* __ASM_MIPS_CACHECTL */ +#endif /* _ASM_CACHECTL */ diff --git a/include/asm-mips/cacheops.h b/include/asm-mips/cacheops.h index 66b0b36..256ad2c 100644 --- a/include/asm-mips/cacheops.h +++ b/include/asm-mips/cacheops.h @@ -5,43 +5,81 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * (C) Copyright 1996, 1997 by Ralf Baechle + * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle + * (C) Copyright 1999 Silicon Graphics, Inc. */ -#ifndef __ASM_MIPS_CACHEOPS_H -#define __ASM_MIPS_CACHEOPS_H +#ifndef __ASM_CACHEOPS_H +#define __ASM_CACHEOPS_H /* - * Cache Operations + * Cache Operations available on all MIPS processors with R4000-style caches */ #define Index_Invalidate_I 0x00 #define Index_Writeback_Inv_D 0x01 -#define Index_Invalidate_SI 0x02 -#define Index_Writeback_Inv_SD 0x03 #define Index_Load_Tag_I 0x04 #define Index_Load_Tag_D 0x05 -#define Index_Load_Tag_SI 0x06 -#define Index_Load_Tag_SD 0x07 #define Index_Store_Tag_I 0x08 #define Index_Store_Tag_D 0x09 +#if defined(CONFIG_CPU_LOONGSON2) +#define Hit_Invalidate_I 0x00 +#else +#define Hit_Invalidate_I 0x10 +#endif +#define Hit_Invalidate_D 0x11 +#define Hit_Writeback_Inv_D 0x15 + +/* + * R4000-specific cacheops + */ +#define Create_Dirty_Excl_D 0x0d +#define Fill 0x14 +#define Hit_Writeback_I 0x18 +#define Hit_Writeback_D 0x19 + +/* + * R4000SC and R4400SC-specific cacheops + */ +#define Index_Invalidate_SI 0x02 +#define Index_Writeback_Inv_SD 0x03 +#define Index_Load_Tag_SI 0x06 +#define Index_Load_Tag_SD 0x07 #define Index_Store_Tag_SI 0x0A #define Index_Store_Tag_SD 0x0B -#define Create_Dirty_Excl_D 0x0d #define Create_Dirty_Excl_SD 0x0f -#define Hit_Invalidate_I 0x10 -#define Hit_Invalidate_D 0x11 #define Hit_Invalidate_SI 0x12 #define Hit_Invalidate_SD 0x13 -#define Fill 0x14 -#define Hit_Writeback_Inv_D 0x15 - /* 0x16 is unused */ #define Hit_Writeback_Inv_SD 0x17 -#define Hit_Writeback_I 0x18 -#define Hit_Writeback_D 0x19 - /* 0x1a is unused */ #define Hit_Writeback_SD 0x1b - /* 0x1c is unused */ - /* 0x1e is unused */ #define Hit_Set_Virtual_SI 0x1e #define Hit_Set_Virtual_SD 0x1f -#endif /* __ASM_MIPS_CACHEOPS_H */ +/* + * R5000-specific cacheops + */ +#define R5K_Page_Invalidate_S 0x17 + +/* + * RM7000-specific cacheops + */ +#define Page_Invalidate_T 0x16 + +/* + * R10000-specific cacheops + * + * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused. + * Most of the _S cacheops are identical to the R4000SC _SD cacheops. + */ +#define Index_Writeback_Inv_S 0x03 +#define Index_Load_Tag_S 0x07 +#define Index_Store_Tag_S 0x0B +#define Hit_Invalidate_S 0x13 +#define Cache_Barrier 0x14 +#define Hit_Writeback_Inv_S 0x17 +#define Index_Load_Data_I 0x18 +#define Index_Load_Data_D 0x19 +#define Index_Load_Data_S 0x1b +#define Index_Store_Data_I 0x1c +#define Index_Store_Data_D 0x1d +#define Index_Store_Data_S 0x1f + +#endif /* __ASM_CACHEOPS_H */ diff --git a/include/asm-mips/isadep.h b/include/asm-mips/isadep.h index 3cd1eb8..24c6cda 100644 --- a/include/asm-mips/isadep.h +++ b/include/asm-mips/isadep.h @@ -1,16 +1,15 @@ /* - * Various ISA level dependant constants. + * Various ISA level dependent constants. * Most of the following constants reflect the different layout * of Coprocessor 0 registers. * * Copyright (c) 1998 Harald Koerfgen */ -#include <linux/config.h> #ifndef __ASM_ISADEP_H #define __ASM_ISADEP_H -#if defined(CONFIG_CPU_R3000) +#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX) /* * R2000 or R3000 */ diff --git a/include/asm-mips/processor.h b/include/asm-mips/processor.h index 6838aee..24858dd 100644 --- a/include/asm-mips/processor.h +++ b/include/asm-mips/processor.h @@ -4,9 +4,9 @@ * for more details. * * Copyright (C) 1994 Waldorf GMBH - * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001 Ralf Baechle + * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003 Ralf Baechle * Copyright (C) 1996 Paul M. Antoine - * Copyright (C) 1999 Silicon Graphics, Inc. + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. */ #ifndef _ASM_PROCESSOR_H #define _ASM_PROCESSOR_H @@ -15,92 +15,26 @@ #include <asm/isadep.h> -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). - */ -#define current_text_addr() ({ __label__ _l; _l: &&_l;}) - -#if !defined (_LANGUAGE_ASSEMBLY) -#if 0 -#include <linux/threads.h> -#endif #include <asm/cachectl.h> #include <asm/mipsregs.h> #include <asm/reg.h> #include <asm/system.h> -struct mips_cpuinfo { - unsigned long udelay_val; - unsigned long *pgd_quick; - unsigned long *pte_quick; - unsigned long pgtable_cache_sz; -}; - -/* - * System setup and hardware flags.. - * XXX: Should go into mips_cpuinfo. - */ -extern void (*cpu_wait)(void); /* only available on R4[26]00 and R3081 */ -extern void r3081_wait(void); -extern void r4k_wait(void); -extern char cyclecounter_available; /* only available from R4000 upwards. */ - -extern struct mips_cpuinfo boot_cpu_data; -extern unsigned int vced_count, vcei_count; - -#ifdef CONFIG_SMP -extern struct mips_cpuinfo cpu_data[]; -#define current_cpu_data cpu_data[smp_processor_id()] -#else -#define cpu_data &boot_cpu_data -#define current_cpu_data boot_cpu_data -#endif - -/* - * Bus types (default is ISA, but people can check others with these..) - * MCA_bus hardcoded to 0 for now. - * - * This needs to be extended since MIPS systems are being delivered with - * numerous different types of bus systems. - */ -extern int EISA_bus; -#define MCA_bus 0 -#define MCA_bus__is_a_macro /* for versions in ksyms.c */ - /* - * MIPS has no problems with write protection + * Return current * instruction pointer ("program counter"). */ -#define wp_works_ok 1 -#define wp_works_ok__is_a_macro /* for versions in ksyms.c */ - -/* Lazy FPU handling on uni-processor */ -extern struct task_struct *last_task_used_math; +#define current_text_addr() ({ __label__ _l; _l: &&_l;}) /* - * User space process size: 2GB. This is hardcoded into a few places, - * so don't change it unless you know what you are doing. TASK_SIZE - * for a 64 bit kernel expandable to 8192EB, of which the current MIPS - * implementations will "only" be able to use 1TB ... - */ -#define TASK_SIZE (0x7fff8000UL) - -/* This decides where the kernel will search for a free chunk of vm - * space during mmap's. + * System setup and hardware flags.. */ -#define TASK_UNMAPPED_BASE (TASK_SIZE / 3) +extern void (*cpu_wait)(void); -/* - * Size of io_bitmap in longwords: 32 is ports 0-0x3ff. - */ -#define IO_BITMAP_SIZE 32 +extern unsigned int vced_count, vcei_count; #define NUM_FPU_REGS 32 -struct mips_fpu_hard_struct { - double fp_regs[NUM_FPU_REGS]; - unsigned int control; -}; +typedef __u64 fpureg_t; /* * It would be nice to add some more fields for emulator statistics, but there @@ -108,25 +42,29 @@ struct mips_fpu_hard_struct { * be recalculated by hand. So the additional information will be private to * the FPU emulator for now. See asm-mips/fpu_emulator.h. */ -typedef u64 fpureg_t; -struct mips_fpu_soft_struct { - fpureg_t regs[NUM_FPU_REGS]; - unsigned int sr; -}; -union mips_fpu_union { - struct mips_fpu_hard_struct hard; - struct mips_fpu_soft_struct soft; +struct mips_fpu_struct { + fpureg_t fpr[NUM_FPU_REGS]; + unsigned int fcr31; }; -#define INIT_FPU { \ - {{0,},} \ -} +#define NUM_DSP_REGS 6 + +typedef __u32 dspreg_t; + +struct mips_dsp_state { + dspreg_t dspr[NUM_DSP_REGS]; + unsigned int dspcontrol; +}; typedef struct { unsigned long seg; } mm_segment_t; +#define ARCH_MIN_TASKALIGN 8 + +struct mips_abi; + /* * If you change thread_struct remember to change the #defines below too! */ @@ -140,131 +78,36 @@ struct thread_struct { unsigned long cp0_status; /* Saved fpu/fpu emulator stuff. */ - union mips_fpu_union fpu; + struct mips_fpu_struct fpu; +#ifdef CONFIG_MIPS_MT_FPAFF + /* Emulated instruction count */ + unsigned long emulated_fp; + /* Saved per-thread scheduler affinity mask */ + cpumask_t user_cpus_allowed; +#endif /* CONFIG_MIPS_MT_FPAFF */ + + /* Saved state of the DSP ASE, if available. */ + struct mips_dsp_state dsp; /* Other stuff associated with the thread. */ unsigned long cp0_badvaddr; /* Last user fault */ unsigned long cp0_baduaddr; /* Last kernel fault accessing USEG */ unsigned long error_code; unsigned long trap_no; -#define MF_FIXADE 1 /* Fix address errors in software */ -#define MF_LOGADE 2 /* Log address errors to syslog */ - unsigned long mflags; - mm_segment_t current_ds; unsigned long irix_trampoline; /* Wheee... */ unsigned long irix_oldctx; - - /* - * These are really only needed if the full FPU emulator is configured. - * Would be made conditional on MIPS_FPU_EMULATOR if it weren't for the - * fact that having offset.h rebuilt differently for different config - * options would be asking for trouble. - * - * Saved EPC during delay-slot emulation (see math-emu/cp1emu.c) - */ - unsigned long dsemul_epc; - - /* - * Pointer to instruction used to induce address error - */ - unsigned long dsemul_aerpc; + struct mips_abi *abi; }; -#endif /* !defined (_LANGUAGE_ASSEMBLY) */ - -#define INIT_THREAD { \ - /* \ - * saved main processor registers \ - */ \ - 0, 0, 0, 0, 0, 0, 0, 0, \ - 0, 0, 0, \ - /* \ - * saved cp0 stuff \ - */ \ - 0, \ - /* \ - * saved fpu/fpu emulator stuff \ - */ \ - INIT_FPU, \ - /* \ - * Other stuff associated with the process \ - */ \ - 0, 0, 0, 0, \ - /* \ - * For now the default is to fix address errors \ - */ \ - MF_FIXADE, { 0 }, 0, 0, \ - /* \ - * dsemul_epc and dsemul_aerpc should never be used uninitialized, \ - * but... \ - */ \ - 0 ,0 \ -} - -#ifdef __KERNEL__ - -#define KERNEL_STACK_SIZE 8192 - -#if !defined (_LANGUAGE_ASSEMBLY) +struct task_struct; /* Free all resources held by a thread. */ #define release_thread(thread) do { } while(0) -extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); - -/* Copy and release all segment info associated with a VM */ -#define copy_segments(p, mm) do { } while(0) -#define release_segments(mm) do { } while(0) - -/* - * Return saved PC of a blocked thread. - */ -extern inline unsigned long thread_saved_pc(struct thread_struct *t) -{ - extern void ret_from_fork(void); - - /* New born processes are a special case */ - if (t->reg31 == (unsigned long) ret_from_fork) - return t->reg31; - - return ((unsigned long *)t->reg29)[10]; -} - -/* - * Do necessary setup to start up a newly executed thread. - */ -#define start_thread(regs, new_pc, new_sp) do { \ - /* New thread looses kernel privileges. */ \ - regs->cp0_status = (regs->cp0_status & ~(ST0_CU0|ST0_KSU)) | KU_USER;\ - regs->cp0_epc = new_pc; \ - regs->regs[29] = new_sp; \ - current->thread.current_ds = USER_DS; \ -} while (0) +/* Prepare to copy thread state - unlazy all lazy status */ +#define prepare_to_copy(tsk) do { } while (0) -unsigned long get_wchan(struct task_struct *p); - -#define __PT_REG(reg) ((long)&((struct pt_regs *)0)->reg - sizeof(struct pt_regs)) -#define __KSTK_TOS(tsk) ((unsigned long)(tsk) + KERNEL_STACK_SIZE - 32) -#define KSTK_EIP(tsk) (*(unsigned long *)(__KSTK_TOS(tsk) + __PT_REG(cp0_epc))) -#define KSTK_ESP(tsk) (*(unsigned long *)(__KSTK_TOS(tsk) + __PT_REG(regs[29]))) - -/* Allocation and freeing of basic task resources. */ -/* - * NOTE! The task struct and the stack go together - */ -#define THREAD_SIZE (2*PAGE_SIZE) -#define alloc_task_struct() \ - ((struct task_struct *) __get_free_pages(GFP_KERNEL,1)) -#define free_task_struct(p) free_pages((unsigned long)(p),1) -#define get_task_struct(tsk) atomic_inc(&virt_to_page(tsk)->count) - -#define init_task (init_task_union.task) -#define init_stack (init_task_union.stack) - -#define cpu_relax() do { } while (0) - -#endif /* !defined (_LANGUAGE_ASSEMBLY) */ -#endif /* __KERNEL__ */ +#define cpu_relax() barrier() /* * Return_address is a replacement for __builtin_return_address(count) @@ -280,4 +123,20 @@ unsigned long get_wchan(struct task_struct *p); */ #define return_address() ({__asm__ __volatile__("":::"$31");__builtin_return_address(0);}) +#ifdef CONFIG_CPU_HAS_PREFETCH + +#define ARCH_HAS_PREFETCH + +static inline void prefetch(const void *addr) +{ + __asm__ __volatile__( + " .set mips4 \n" + " pref %0, (%1) \n" + " .set mips0 \n" + : + : "i" (Pref_Load), "r" (addr)); +} + +#endif + #endif /* _ASM_PROCESSOR_H */ diff --git a/include/asm-mips/ptrace.h b/include/asm-mips/ptrace.h index 2517adb..5659c0c 100644 --- a/include/asm-mips/ptrace.h +++ b/include/asm-mips/ptrace.h @@ -3,17 +3,12 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000 by Ralf Baechle - * - * Machine dependent structs and defines to help the user use - * the ptrace system call. + * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. */ #ifndef _ASM_PTRACE_H #define _ASM_PTRACE_H -#include <asm/isadep.h> -#include <linux/types.h> - /* 0 - 31 are integer registers, 32 - 63 are fp registers. */ #define FPR_BASE 32 #define PC 64 @@ -23,63 +18,69 @@ #define MMLO 68 #define FPC_CSR 69 #define FPC_EIR 70 +#define DSP_BASE 71 /* 3 more hi / lo register pairs */ +#define DSP_CONTROL 77 +#define ACX 78 -#ifndef _LANGUAGE_ASSEMBLY /* * This struct defines the way the registers are stored on the stack during a * system call/exception. As usual the registers k0/k1 aren't being saved. */ struct pt_regs { +#ifdef CONFIG_32BIT /* Pad bytes for argument save space on the stack. */ unsigned long pad0[6]; +#endif /* Saved main processor registers. */ unsigned long regs[32]; - /* Other saved registers. */ - unsigned long lo; + /* Saved special registers. */ + unsigned long cp0_status; unsigned long hi; - - /* - * saved cp0 registers - */ - unsigned long cp0_epc; + unsigned long lo; +#ifdef CONFIG_CPU_HAS_SMARTMIPS + unsigned long acx; +#endif unsigned long cp0_badvaddr; - unsigned long cp0_status; unsigned long cp0_cause; -}; - -#endif /* !(_LANGUAGE_ASSEMBLY) */ + unsigned long cp0_epc; +#ifdef CONFIG_MIPS_MT_SMTC + unsigned long cp0_tcstatus; +#endif /* CONFIG_MIPS_MT_SMTC */ +} __attribute__ ((aligned (8))); /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ -/* #define PTRACE_GETREGS 12 */ -/* #define PTRACE_SETREGS 13 */ -/* #define PTRACE_GETFPREGS 14 */ -/* #define PTRACE_SETFPREGS 15 */ +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 +#define PTRACE_GETFPREGS 14 +#define PTRACE_SETFPREGS 15 /* #define PTRACE_GETFPXREGS 18 */ /* #define PTRACE_SETFPXREGS 19 */ -#define PTRACE_SETOPTIONS 21 +#define PTRACE_OLDSETOPTIONS 21 -/* options set using PTRACE_SETOPTIONS */ -#define PTRACE_O_TRACESYSGOOD 0x00000001 +#define PTRACE_GET_THREAD_AREA 25 +#define PTRACE_SET_THREAD_AREA 26 -#if 0 /* def _LANGUAGE_ASSEMBLY */ -#include <asm/offset.h> -#endif +/* Calls to trace a 64bit program from a 32bit program. */ +#define PTRACE_PEEKTEXT_3264 0xc0 +#define PTRACE_PEEKDATA_3264 0xc1 +#define PTRACE_POKETEXT_3264 0xc2 +#define PTRACE_POKEDATA_3264 0xc3 +#define PTRACE_GET_THREAD_AREA_3264 0xc4 #ifdef __KERNEL__ -#ifndef _LANGUAGE_ASSEMBLY +#include <asm/isadep.h> + /* * Does the process account for user or for system time? */ #define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER) #define instruction_pointer(regs) ((regs)->cp0_epc) - -extern void show_regs(struct pt_regs *); -#endif /* !(_LANGUAGE_ASSEMBLY) */ +#define profile_pc(regs) instruction_pointer(regs) #endif diff --git a/include/asm-mips/reboot.h b/include/asm-mips/reboot.h new file mode 100644 index 0000000..978d206 --- /dev/null +++ b/include/asm-mips/reboot.h @@ -0,0 +1,14 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1997, 1999, 2001, 06 by Ralf Baechle + * Copyright (C) 2001 MIPS Technologies, Inc. + */ +#ifndef _ASM_REBOOT_H +#define _ASM_REBOOT_H + +extern void _machine_restart(void); + +#endif /* _ASM_REBOOT_H */ diff --git a/include/asm-mips/reg.h b/include/asm-mips/reg.h index 35505b7..fc6bc0c 100644 --- a/include/asm-mips/reg.h +++ b/include/asm-mips/reg.h @@ -7,48 +7,50 @@ * for more details. * * Copyright (C) 1995, 1999 by Ralf Baechle + * Copyright (C) 1995, 1999 Silicon Graphics */ #ifndef __ASM_MIPS_REG_H #define __ASM_MIPS_REG_H -/* - * This defines/structures correspond to the register layout on stack - - * if the order here is changed, it needs to be updated in - * include/asm-mips/stackframe.h - */ -#define EF_REG0 6 -#define EF_REG1 7 -#define EF_REG2 8 -#define EF_REG3 9 -#define EF_REG4 10 -#define EF_REG5 11 -#define EF_REG6 12 -#define EF_REG7 13 -#define EF_REG8 14 -#define EF_REG9 15 -#define EF_REG10 16 -#define EF_REG11 17 -#define EF_REG12 18 -#define EF_REG13 19 -#define EF_REG14 20 -#define EF_REG15 21 -#define EF_REG16 22 -#define EF_REG17 23 -#define EF_REG18 24 -#define EF_REG19 25 -#define EF_REG20 26 -#define EF_REG21 27 -#define EF_REG22 28 -#define EF_REG23 29 -#define EF_REG24 30 -#define EF_REG25 31 +#if defined(CONFIG_32BIT) || defined(WANT_COMPAT_REG_H) + +#define EF_R0 6 +#define EF_R1 7 +#define EF_R2 8 +#define EF_R3 9 +#define EF_R4 10 +#define EF_R5 11 +#define EF_R6 12 +#define EF_R7 13 +#define EF_R8 14 +#define EF_R9 15 +#define EF_R10 16 +#define EF_R11 17 +#define EF_R12 18 +#define EF_R13 19 +#define EF_R14 20 +#define EF_R15 21 +#define EF_R16 22 +#define EF_R17 23 +#define EF_R18 24 +#define EF_R19 25 +#define EF_R20 26 +#define EF_R21 27 +#define EF_R22 28 +#define EF_R23 29 +#define EF_R24 30 +#define EF_R25 31 + /* * k0/k1 unsaved */ -#define EF_REG28 34 -#define EF_REG29 35 -#define EF_REG30 36 -#define EF_REG31 37 +#define EF_R26 32 +#define EF_R27 33 + +#define EF_R28 34 +#define EF_R29 35 +#define EF_R30 36 +#define EF_R31 37 /* * Saved special registers @@ -59,8 +61,66 @@ #define EF_CP0_EPC 40 #define EF_CP0_BADVADDR 41 #define EF_CP0_STATUS 42 -#define EF_CP0_CAUSE 44 +#define EF_CP0_CAUSE 43 +#define EF_UNUSED0 44 + +#define EF_SIZE 180 + +#endif + +#ifdef CONFIG_64BIT + +#define EF_R0 0 +#define EF_R1 1 +#define EF_R2 2 +#define EF_R3 3 +#define EF_R4 4 +#define EF_R5 5 +#define EF_R6 6 +#define EF_R7 7 +#define EF_R8 8 +#define EF_R9 9 +#define EF_R10 10 +#define EF_R11 11 +#define EF_R12 12 +#define EF_R13 13 +#define EF_R14 14 +#define EF_R15 15 +#define EF_R16 16 +#define EF_R17 17 +#define EF_R18 18 +#define EF_R19 19 +#define EF_R20 20 +#define EF_R21 21 +#define EF_R22 22 +#define EF_R23 23 +#define EF_R24 24 +#define EF_R25 25 + +/* + * k0/k1 unsaved + */ +#define EF_R26 26 +#define EF_R27 27 + +#define EF_R28 28 +#define EF_R29 29 +#define EF_R30 30 +#define EF_R31 31 + +/* + * Saved special registers + */ +#define EF_LO 32 +#define EF_HI 33 + +#define EF_CP0_EPC 34 +#define EF_CP0_BADVADDR 35 +#define EF_CP0_STATUS 36 +#define EF_CP0_CAUSE 37 + +#define EF_SIZE 304 /* size in bytes */ -#define EF_SIZE 180 /* size in bytes */ +#endif /* CONFIG_64BIT */ #endif /* __ASM_MIPS_REG_H */ diff --git a/include/asm-mips/regdef.h b/include/asm-mips/regdef.h index 691d047..2e65cc3 100644 --- a/include/asm-mips/regdef.h +++ b/include/asm-mips/regdef.h @@ -1,52 +1,100 @@ /* - * include/asm-mips/regdefs.h - * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1994, 1995 by Ralf Baechle + * Copyright (C) 1985 MIPS Computer Systems, Inc. + * Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle + * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc. */ +#ifndef _ASM_REGDEF_H +#define _ASM_REGDEF_H + +#include <asm/sgidefs.h> -#ifndef __ASM_MIPS_REGDEF_H -#define __ASM_MIPS_REGDEF_H +#if _MIPS_SIM == _MIPS_SIM_ABI32 /* * Symbolic register names for 32 bit ABI */ -#define zero $0 /* wired zero */ -#define AT $1 /* assembler temp - uppercase because of ".set at" */ -#define v0 $2 /* return value */ -#define v1 $3 -#define a0 $4 /* argument registers */ -#define a1 $5 -#define a2 $6 -#define a3 $7 -#define t0 $8 /* caller saved */ -#define t1 $9 -#define t2 $10 -#define t3 $11 -#define t4 $12 -#define t5 $13 -#define t6 $14 -#define t7 $15 -#define s0 $16 /* callee saved */ -#define s1 $17 -#define s2 $18 -#define s3 $19 -#define s4 $20 -#define s5 $21 -#define s6 $22 -#define s7 $23 -#define t8 $24 /* caller saved */ -#define t9 $25 -#define jp $25 /* PIC jump register */ -#define k0 $26 /* kernel scratch */ -#define k1 $27 -#define gp $28 /* global pointer */ -#define sp $29 /* stack pointer */ -#define fp $30 /* frame pointer */ +#define zero $0 /* wired zero */ +#define AT $1 /* assembler temp - uppercase because of ".set at" */ +#define v0 $2 /* return value */ +#define v1 $3 +#define a0 $4 /* argument registers */ +#define a1 $5 +#define a2 $6 +#define a3 $7 +#define t0 $8 /* caller saved */ +#define t1 $9 +#define t2 $10 +#define t3 $11 +#define t4 $12 +#define t5 $13 +#define t6 $14 +#define t7 $15 +#define s0 $16 /* callee saved */ +#define s1 $17 +#define s2 $18 +#define s3 $19 +#define s4 $20 +#define s5 $21 +#define s6 $22 +#define s7 $23 +#define t8 $24 /* caller saved */ +#define t9 $25 +#define jp $25 /* PIC jump register */ +#define k0 $26 /* kernel scratch */ +#define k1 $27 +#define gp $28 /* global pointer */ +#define sp $29 /* stack pointer */ +#define fp $30 /* frame pointer */ #define s8 $30 /* same like fp! */ -#define ra $31 /* return address */ +#define ra $31 /* return address */ + +#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ + +#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 + +#define zero $0 /* wired zero */ +#define AT $at /* assembler temp - uppercase because of ".set at" */ +#define v0 $2 /* return value - caller saved */ +#define v1 $3 +#define a0 $4 /* argument registers */ +#define a1 $5 +#define a2 $6 +#define a3 $7 +#define a4 $8 /* arg reg 64 bit; caller saved in 32 bit */ +#define ta0 $8 +#define a5 $9 +#define ta1 $9 +#define a6 $10 +#define ta2 $10 +#define a7 $11 +#define ta3 $11 +#define t0 $12 /* caller saved */ +#define t1 $13 +#define t2 $14 +#define t3 $15 +#define s0 $16 /* callee saved */ +#define s1 $17 +#define s2 $18 +#define s3 $19 +#define s4 $20 +#define s5 $21 +#define s6 $22 +#define s7 $23 +#define t8 $24 /* caller saved */ +#define t9 $25 /* callee address for PIC/temp */ +#define jp $25 /* PIC jump register */ +#define k0 $26 /* kernel temporary */ +#define k1 $27 +#define gp $28 /* global pointer - caller saved for PIC */ +#define sp $29 /* stack pointer */ +#define fp $30 /* frame pointer */ +#define s8 $30 /* callee saved */ +#define ra $31 /* return address */ + +#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */ -#endif /* __ASM_MIPS_REGDEF_H */ +#endif /* _ASM_REGDEF_H */ diff --git a/include/asm-mips/types.h b/include/asm-mips/types.h index 707cbf4..f49a217 100644 --- a/include/asm-mips/types.h +++ b/include/asm-mips/types.h @@ -1,5 +1,4 @@ -/* $Id: types.h,v 1.3 1999/08/18 23:37:50 ralf Exp $ - * +/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. @@ -10,6 +9,8 @@ #ifndef _ASM_TYPES_H #define _ASM_TYPES_H +#ifndef __ASSEMBLY__ + typedef unsigned short umode_t; /* @@ -40,11 +41,17 @@ __extension__ typedef unsigned long long __u64; #endif +#endif /* __ASSEMBLY__ */ + /* * These aren't exported outside the kernel to avoid name space clashes */ #ifdef __KERNEL__ +#define BITS_PER_LONG _MIPS_SZLONG + +#ifndef __ASSEMBLY__ + typedef __signed char s8; typedef unsigned char u8; @@ -68,9 +75,24 @@ typedef unsigned long long u64; #endif -#define BITS_PER_LONG _MIPS_SZLONG +#if (defined(CONFIG_HIGHMEM) && defined(CONFIG_64BIT_PHYS_ADDR)) \ + || defined(CONFIG_64BIT) +typedef u64 dma_addr_t; +#else +typedef u32 dma_addr_t; +#endif +typedef u64 dma64_addr_t; + +/* + * Don't use phys_t. You've been warned. + */ +#ifdef CONFIG_64BIT_PHYS_ADDR +typedef unsigned long long phys_t; +#else +typedef unsigned long phys_t; +#endif -typedef unsigned long dma_addr_t; +#endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ |