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| version 1.18, 2004/06/15 13:50:13 | version 1.19, 2005/03/05 16:47:04 |
|---|---|
| Line 398 cpu_codefetch_d(UINT32 offset) | Line 398 cpu_codefetch_d(UINT32 offset) |
| return 0; /* compiler happy */ | return 0; /* compiler happy */ |
| } | } |
| /* | |
| * additional physical address memory access functions | |
| */ | |
| UINT64 | |
| cpu_memoryread_q(UINT32 address) | |
| { | |
| UINT64 value; | |
| value = cpu_memoryread_d(address); | |
| value += (UINT64)cpu_memoryread_d(address + 4) << 32; | |
| return value; | |
| } | |
| REG80 | |
| cpu_memoryread_f(UINT32 address) | |
| { | |
| REG80 value; | |
| UINT i; | |
| for (i = 0; i < sizeof(REG80); ++i) { | |
| value.b[i] = cpu_memoryread(address + i); | |
| } | |
| return value; | |
| } | |
| void | |
| cpu_memorywrite_q(UINT32 address, UINT64 value) | |
| { | |
| cpu_memorywrite_d(address, (UINT32)value); | |
| cpu_memorywrite_d(address + 4, (UINT32)(value >> 32)); | |
| } | |
| void | |
| cpu_memorywrite_f(UINT32 address, const REG80 *value) | |
| { | |
| UINT i; | |
| for (i = 0; i < sizeof(REG80); ++i) { | |
| cpu_memorywrite(address + i, value->b[i]); | |
| } | |
| } | |
| /* | /* |
| * virtual address memory access functions | * virtual address memory access functions |
| Line 407 cpu_codefetch_d(UINT32 offset) | Line 450 cpu_codefetch_d(UINT32 offset) |
| VIRTUAL_ADDRESS_MEMORY_ACCESS_FUNCTION(b, UINT8, 1) | VIRTUAL_ADDRESS_MEMORY_ACCESS_FUNCTION(b, UINT8, 1) |
| VIRTUAL_ADDRESS_MEMORY_ACCESS_FUNCTION(w, UINT16, 2) | VIRTUAL_ADDRESS_MEMORY_ACCESS_FUNCTION(w, UINT16, 2) |
| VIRTUAL_ADDRESS_MEMORY_ACCESS_FUNCTION(d, UINT32, 4) | VIRTUAL_ADDRESS_MEMORY_ACCESS_FUNCTION(d, UINT32, 4) |
| UINT64 MEMCALL | |
| cpu_vmemoryread_q(int idx, UINT32 offset) | |
| { | |
| descriptor_t *sd; | |
| UINT32 addr; | |
| int exc; | |
| __ASSERT((unsigned int)idx < CPU_SEGREG_NUM); | |
| sd = &CPU_STAT_SREG(idx); | |
| if (!sd->valid) { | |
| exc = GP_EXCEPTION; | |
| goto err; | |
| } | |
| if (!(sd->flag & CPU_DESC_FLAG_READABLE)) { | |
| cpu_memoryread_check(sd, offset, 8, | |
| (idx == CPU_SS_INDEX) ? SS_EXCEPTION : GP_EXCEPTION); | |
| } else { | |
| switch (sd->type) { | |
| case 4: case 5: case 6: case 7: | |
| if (offset - (8 - 1) <= sd->u.seg.limit) | |
| goto range_failure; | |
| break; | |
| default: | |
| if (offset > sd->u.seg.limit - (8 - 1)) | |
| goto range_failure; | |
| break; | |
| } | |
| } | |
| addr = sd->u.seg.segbase + offset; | |
| check_memory_break_point(addr, 8, CPU_DR7_RW_RO); | |
| if (!CPU_STAT_PAGING) | |
| return cpu_memoryread_q(addr); | |
| return cpu_linear_memory_read_q(addr, CPU_PAGE_READ_DATA | CPU_STAT_USER_MODE); | |
| range_failure: | |
| if (idx == CPU_SS_INDEX) { | |
| exc = SS_EXCEPTION; | |
| } else { | |
| exc = GP_EXCEPTION; | |
| } | |
| VERBOSE(("cpu_vmemoryread_q: type = %d, offset = %08x, limit = %08x", sd->type, offset, sd->u.seg.limit)); | |
| err: | |
| EXCEPTION(exc, 0); | |
| return 0; /* compiler happy */ | |
| } | |
| void MEMCALL | |
| cpu_vmemorywrite_q(int idx, UINT32 offset, UINT64 value) | |
| { | |
| descriptor_t *sd; | |
| UINT32 addr; | |
| int exc; | |
| __ASSERT((unsigned int)idx < CPU_SEGREG_NUM); | |
| sd = &CPU_STAT_SREG(idx); | |
| if (!sd->valid) { | |
| exc = GP_EXCEPTION; | |
| goto err; | |
| } | |
| if (!(sd->flag & CPU_DESC_FLAG_WRITABLE)) { | |
| cpu_memorywrite_check(sd, offset, 8, | |
| (idx == CPU_SS_INDEX) ? SS_EXCEPTION : GP_EXCEPTION); | |
| } else { | |
| switch (sd->type) { | |
| case 6: case 7: | |
| if (offset - (8 - 1) <= sd->u.seg.limit) | |
| goto range_failure; | |
| break; | |
| default: | |
| if (offset > sd->u.seg.limit - (8 - 1)) | |
| goto range_failure; | |
| break; | |
| } | |
| } | |
| addr = sd->u.seg.segbase + offset; | |
| check_memory_break_point(addr, 8, CPU_DR7_RW_RW); | |
| if (!CPU_STAT_PAGING) { | |
| cpu_memorywrite_q(addr, value); | |
| } else { | |
| cpu_linear_memory_write_q(addr, value, CPU_PAGE_WRITE_DATA | CPU_STAT_USER_MODE); | |
| } | |
| return; | |
| range_failure: | |
| if (idx == CPU_SS_INDEX) { | |
| exc = SS_EXCEPTION; | |
| } else { | |
| exc = GP_EXCEPTION; | |
| } | |
| VERBOSE(("cpu_vmemorywrite_q: type = %d, offset = %08x, limit = %08x", sd->type, offset, sd->u.seg.limit)); | |
| err: | |
| EXCEPTION(exc, 0); | |
| } | |
| REG80 MEMCALL | |
| cpu_vmemoryread_f(int idx, UINT32 offset) | |
| { | |
| descriptor_t *sd; | |
| UINT32 addr; | |
| int exc; | |
| __ASSERT((unsigned int)idx < CPU_SEGREG_NUM); | |
| sd = &CPU_STAT_SREG(idx); | |
| if (!sd->valid) { | |
| exc = GP_EXCEPTION; | |
| goto err; | |
| } | |
| if (!(sd->flag & CPU_DESC_FLAG_READABLE)) { | |
| cpu_memoryread_check(sd, offset, 10, | |
| (idx == CPU_SS_INDEX) ? SS_EXCEPTION : GP_EXCEPTION); | |
| } else { | |
| switch (sd->type) { | |
| case 4: case 5: case 6: case 7: | |
| if (offset - (10 - 1) <= sd->u.seg.limit) | |
| goto range_failure; | |
| break; | |
| default: | |
| if (offset > sd->u.seg.limit - (10 - 1)) | |
| goto range_failure; | |
| break; | |
| } | |
| } | |
| addr = sd->u.seg.segbase + offset; | |
| check_memory_break_point(addr, 10, CPU_DR7_RW_RO); | |
| if (!CPU_STAT_PAGING) | |
| return cpu_memoryread_f(addr); | |
| return cpu_linear_memory_read_f(addr, CPU_PAGE_READ_DATA | CPU_STAT_USER_MODE); | |
| range_failure: | |
| if (idx == CPU_SS_INDEX) { | |
| exc = SS_EXCEPTION; | |
| } else { | |
| exc = GP_EXCEPTION; | |
| } | |
| VERBOSE(("cpu_vmemoryread_f: type = %d, offset = %08x, limit = %08x", sd->type, offset, sd->u.seg.limit)); | |
| err: | |
| EXCEPTION(exc, 0); | |
| { | |
| REG80 dummy; | |
| memset(&dummy, 0, sizeof(dummy)); | |
| return dummy; /* compiler happy */ | |
| } | |
| } | |
| void MEMCALL | |
| cpu_vmemorywrite_f(int idx, UINT32 offset, const REG80 *value) | |
| { | |
| descriptor_t *sd; | |
| UINT32 addr; | |
| int exc; | |
| __ASSERT((unsigned int)idx < CPU_SEGREG_NUM); | |
| sd = &CPU_STAT_SREG(idx); | |
| if (!sd->valid) { | |
| exc = GP_EXCEPTION; | |
| goto err; | |
| } | |
| if (!(sd->flag & CPU_DESC_FLAG_WRITABLE)) { | |
| cpu_memorywrite_check(sd, offset, 10, | |
| (idx == CPU_SS_INDEX) ? SS_EXCEPTION : GP_EXCEPTION); | |
| } else { | |
| switch (sd->type) { | |
| case 6: case 7: | |
| if (offset - (10 - 1) <= sd->u.seg.limit) | |
| goto range_failure; | |
| break; | |
| default: | |
| if (offset > sd->u.seg.limit - (10 - 1)) | |
| goto range_failure; | |
| break; | |
| } | |
| } | |
| addr = sd->u.seg.segbase + offset; | |
| check_memory_break_point(addr, 10, CPU_DR7_RW_RW); | |
| if (!CPU_STAT_PAGING) { | |
| cpu_memorywrite_f(addr, value); | |
| } else { | |
| cpu_linear_memory_write_f(addr, value, CPU_PAGE_WRITE_DATA | CPU_STAT_USER_MODE); | |
| } | |
| return; | |
| range_failure: | |
| if (idx == CPU_SS_INDEX) { | |
| exc = SS_EXCEPTION; | |
| } else { | |
| exc = GP_EXCEPTION; | |
| } | |
| VERBOSE(("cpu_vmemorywrite_f: type = %d, offset = %08x, limit = %08x", sd->type, offset, sd->u.seg.limit)); | |
| err: | |
| EXCEPTION(exc, 0); | |
| } |