From 61382a500a9e54ef96ca28e0f221151f569cbb6e Mon Sep 17 00:00:00 2001 From: bellard Date: Mon, 27 Oct 2003 21:22:23 +0000 Subject: full softmmu support git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@410 c046a42c-6fe2-441c-8c8c-71466251a162 --- softmmu_template.h | 82 +++++++++++++++++++++++++++++++++--------------------- 1 file changed, 50 insertions(+), 32 deletions(-) (limited to 'softmmu_template.h') diff --git a/softmmu_template.h b/softmmu_template.h index 765e913a66..4f4f2f4d31 100644 --- a/softmmu_template.h +++ b/softmmu_template.h @@ -21,23 +21,31 @@ #if DATA_SIZE == 8 #define SUFFIX q +#define USUFFIX q #define DATA_TYPE uint64_t #elif DATA_SIZE == 4 #define SUFFIX l +#define USUFFIX l #define DATA_TYPE uint32_t #elif DATA_SIZE == 2 #define SUFFIX w +#define USUFFIX uw #define DATA_TYPE uint16_t #elif DATA_SIZE == 1 #define SUFFIX b +#define USUFFIX ub #define DATA_TYPE uint8_t #else #error unsupported data size #endif -static DATA_TYPE glue(slow_ld, SUFFIX)(unsigned long addr, void *retaddr); -static void glue(slow_st, SUFFIX)(unsigned long addr, DATA_TYPE val, - void *retaddr); +static DATA_TYPE glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(unsigned long addr, + int is_user, + void *retaddr); +static void glue(glue(slow_st, SUFFIX), MMUSUFFIX)(unsigned long addr, + DATA_TYPE val, + int is_user, + void *retaddr); static inline DATA_TYPE glue(io_read, SUFFIX)(unsigned long physaddr, unsigned long tlb_addr) @@ -81,16 +89,16 @@ static inline void glue(io_write, SUFFIX)(unsigned long physaddr, } /* handle all cases except unaligned access which span two pages */ -DATA_TYPE REGPARM(1) glue(glue(__ld, SUFFIX), _mmu)(unsigned long addr) +DATA_TYPE REGPARM(1) glue(glue(__ld, SUFFIX), MMUSUFFIX)(unsigned long addr, + int is_user) { DATA_TYPE res; - int is_user, index; + int index; unsigned long physaddr, tlb_addr; void *retaddr; /* test if there is match for unaligned or IO access */ /* XXX: could done more in memory macro in a non portable way */ - is_user = ((env->hflags & HF_CPL_MASK) == 3); index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); redo: tlb_addr = env->tlb_read[is_user][index].address; @@ -104,29 +112,31 @@ DATA_TYPE REGPARM(1) glue(glue(__ld, SUFFIX), _mmu)(unsigned long addr) } else if (((addr & 0xfff) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) { /* slow unaligned access (it spans two pages or IO) */ do_unaligned_access: - retaddr = __builtin_return_address(0); - res = glue(slow_ld, SUFFIX)(addr, retaddr); + retaddr = GETPC(); + res = glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(addr, + is_user, retaddr); } else { /* unaligned access in the same page */ - res = glue(glue(ldu, SUFFIX), _raw)((uint8_t *)physaddr); + res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)physaddr); } } else { /* the page is not in the TLB : fill it */ - retaddr = __builtin_return_address(0); - tlb_fill(addr, 0, retaddr); + retaddr = GETPC(); + tlb_fill(addr, 0, is_user, retaddr); goto redo; } return res; } /* handle all unaligned cases */ -static DATA_TYPE glue(slow_ld, SUFFIX)(unsigned long addr, void *retaddr) +static DATA_TYPE glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(unsigned long addr, + int is_user, + void *retaddr) { DATA_TYPE res, res1, res2; - int is_user, index, shift; + int index, shift; unsigned long physaddr, tlb_addr, addr1, addr2; - is_user = ((env->hflags & HF_CPL_MASK) == 3); index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); redo: tlb_addr = env->tlb_read[is_user][index].address; @@ -142,8 +152,10 @@ static DATA_TYPE glue(slow_ld, SUFFIX)(unsigned long addr, void *retaddr) /* slow unaligned access (it spans two pages) */ addr1 = addr & ~(DATA_SIZE - 1); addr2 = addr1 + DATA_SIZE; - res1 = glue(slow_ld, SUFFIX)(addr1, retaddr); - res2 = glue(slow_ld, SUFFIX)(addr2, retaddr); + res1 = glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(addr1, + is_user, retaddr); + res2 = glue(glue(slow_ld, SUFFIX), MMUSUFFIX)(addr2, + is_user, retaddr); shift = (addr & (DATA_SIZE - 1)) * 8; #ifdef TARGET_WORDS_BIGENDIAN res = (res1 << shift) | (res2 >> ((DATA_SIZE * 8) - shift)); @@ -152,24 +164,25 @@ static DATA_TYPE glue(slow_ld, SUFFIX)(unsigned long addr, void *retaddr) #endif } else { /* unaligned/aligned access in the same page */ - res = glue(glue(ldu, SUFFIX), _raw)((uint8_t *)physaddr); + res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)physaddr); } } else { /* the page is not in the TLB : fill it */ - tlb_fill(addr, 0, retaddr); + tlb_fill(addr, 0, is_user, retaddr); goto redo; } return res; } -void REGPARM(2) glue(glue(__st, SUFFIX), _mmu)(unsigned long addr, DATA_TYPE val) +void REGPARM(2) glue(glue(__st, SUFFIX), MMUSUFFIX)(unsigned long addr, + DATA_TYPE val, + int is_user) { unsigned long physaddr, tlb_addr; void *retaddr; - int is_user, index; + int index; - is_user = ((env->hflags & HF_CPL_MASK) == 3); index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); redo: tlb_addr = env->tlb_write[is_user][index].address; @@ -182,28 +195,30 @@ void REGPARM(2) glue(glue(__st, SUFFIX), _mmu)(unsigned long addr, DATA_TYPE val glue(io_write, SUFFIX)(physaddr, val, tlb_addr); } else if (((addr & 0xfff) + DATA_SIZE - 1) >= TARGET_PAGE_SIZE) { do_unaligned_access: - retaddr = __builtin_return_address(0); - glue(slow_st, SUFFIX)(addr, val, retaddr); + retaddr = GETPC(); + glue(glue(slow_st, SUFFIX), MMUSUFFIX)(addr, val, + is_user, retaddr); } else { /* aligned/unaligned access in the same page */ glue(glue(st, SUFFIX), _raw)((uint8_t *)physaddr, val); } } else { /* the page is not in the TLB : fill it */ - retaddr = __builtin_return_address(0); - tlb_fill(addr, 1, retaddr); + retaddr = GETPC(); + tlb_fill(addr, 1, is_user, retaddr); goto redo; } } /* handles all unaligned cases */ -static void glue(slow_st, SUFFIX)(unsigned long addr, DATA_TYPE val, - void *retaddr) +static void glue(glue(slow_st, SUFFIX), MMUSUFFIX)(unsigned long addr, + DATA_TYPE val, + int is_user, + void *retaddr) { unsigned long physaddr, tlb_addr; - int is_user, index, i; + int index, i; - is_user = ((env->hflags & HF_CPL_MASK) == 3); index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1); redo: tlb_addr = env->tlb_write[is_user][index].address; @@ -219,9 +234,11 @@ static void glue(slow_st, SUFFIX)(unsigned long addr, DATA_TYPE val, /* XXX: not efficient, but simple */ for(i = 0;i < DATA_SIZE; i++) { #ifdef TARGET_WORDS_BIGENDIAN - slow_stb(addr + i, val >> (((DATA_SIZE - 1) * 8) - (i * 8)), retaddr); + glue(slow_stb, MMUSUFFIX)(addr + i, val >> (((DATA_SIZE - 1) * 8) - (i * 8)), + is_user, retaddr); #else - slow_stb(addr + i, val >> (i * 8), retaddr); + glue(slow_stb, MMUSUFFIX)(addr + i, val >> (i * 8), + is_user, retaddr); #endif } } else { @@ -230,7 +247,7 @@ static void glue(slow_st, SUFFIX)(unsigned long addr, DATA_TYPE val, } } else { /* the page is not in the TLB : fill it */ - tlb_fill(addr, 1, retaddr); + tlb_fill(addr, 1, is_user, retaddr); goto redo; } } @@ -238,4 +255,5 @@ static void glue(slow_st, SUFFIX)(unsigned long addr, DATA_TYPE val, #undef SHIFT #undef DATA_TYPE #undef SUFFIX +#undef USUFFIX #undef DATA_SIZE -- cgit v1.2.3