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| version 1.5, 2004/01/26 15:23:55 | version 1.13, 2005/03/12 12:32:54 |
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| Line 12 | Line 12 |
| * 2. Redistributions in binary form must reproduce the above copyright | * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the | * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. | * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products | |
| * derived from this software without specific prior written permission. | |
| * | * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| Line 31 | Line 29 |
| #include "cpu.h" | #include "cpu.h" |
| #include "memory.h" | #include "memory.h" |
| #ifdef USE_FPU | #if defined(USE_FPU) |
| #include "instructions/fpu/fpu.h" | #include "instructions/fpu/fp.h" |
| #endif | #endif |
| char *cpu_reg2str(void) | char * |
| cpu_reg2str(void) | |
| { | { |
| static char buf[512]; | static char buf[512]; |
| sprintf(buf, | snprintf(buf, sizeof(buf), |
| "eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x\n" | "eax=%08x ecx=%08x edx=%08x ebx=%08x\n" |
| "eip=%08x esp=%08x ebp=%08x prev_eip=%08x\n" | "esp=%08x ebp=%08x esi=%08x edi=%08x\n" |
| "cs=%04x ss=%04x ds=%04x es=%04x fs=%04x gs=%04x\n" | "eip=%08x prev_eip=%08x\n" |
| "eflag=%08x " | "es=%04x cs=%04x ss=%04x ds=%04x fs=%04x gs=%04x\n" |
| /* ID VIP VIF AC VM RF NT IOPL OF DF IF TF SF ZF AF PF CF */ | "eflag=%08x " |
| "[ ID=%d VIP=%d VIF=%d AC=%d VM=%d RF=%d NT=%d IOPL=%d%d %s %s %s TF=%d %s %s %s %s %s ]\n" | /* ID VIP VIF AC VM RF NT IOPL OF DF IF TF SF ZF AF PF CF */ |
| "gdtr=%08x:%04x idtr=%08x:%04x\n" | "[ ID=%d VIP=%d VIF=%d AC=%d VM=%d RF=%d NT=%d IOPL=%d %s %s %s TF=%d %s %s %s %s %s ]\n" |
| "ldtr=%04x(%08x:%04x) tr=%04x(%08x:%04x)\n" | "gdtr=%08x:%04x idtr=%08x:%04x\n" |
| "cr0=%08x cr1=%08x cr2=%08x cr3=%08x cr4=%08x mxcsr=%08x", | "ldtr=%04x(%08x:%04x) tr=%04x(%08x:%04x)\n" |
| CPU_EAX, CPU_EBX, CPU_ECX, CPU_EDX, CPU_ESI, CPU_EDI, | "cr0=%08x cr1=%08x cr2=%08x cr3=%08x cr4=%08x mxcsr=%08x", |
| CPU_EIP, CPU_ESP, CPU_EBP, CPU_PREV_EIP, | CPU_EAX, CPU_ECX, CPU_EDX, CPU_EBX, |
| CPU_CS, CPU_SS, CPU_DS, CPU_ES, CPU_FS, CPU_GS, | CPU_ESP, CPU_EBP,CPU_ESI, CPU_EDI, |
| CPU_EFLAG, | CPU_EIP, CPU_PREV_EIP, |
| (CPU_EFLAG & ID_FLAG) != 0, | CPU_CS, CPU_SS, CPU_DS, CPU_ES, CPU_FS, CPU_GS, |
| (CPU_EFLAG & VIP_FLAG) != 0, | CPU_EFLAG, |
| (CPU_EFLAG & VIF_FLAG) != 0, | (CPU_EFLAG & ID_FLAG) != 0, |
| (CPU_EFLAG & AC_FLAG) != 0, | (CPU_EFLAG & VIP_FLAG) != 0, |
| (CPU_EFLAG & VM_FLAG) != 0, | (CPU_EFLAG & VIF_FLAG) != 0, |
| (CPU_EFLAG & RF_FLAG) != 0, | (CPU_EFLAG & AC_FLAG) != 0, |
| (CPU_EFLAG & NT_FLAG) != 0, | (CPU_EFLAG & VM_FLAG) != 0, |
| CPU_EFLAG >> 13 & 1, | (CPU_EFLAG & RF_FLAG) != 0, |
| CPU_EFLAG >> 12 & 1, | (CPU_EFLAG & NT_FLAG) != 0, |
| CPU_EFLAG & O_FLAG ? "OV" : "NV", | (int)((CPU_EFLAG >> 12) & 3), |
| CPU_EFLAG & D_FLAG ? "UP" : "DN", | CPU_OV ? "OV" : "NV", |
| CPU_EFLAG & I_FLAG ? "DI" : "EI", | CPU_EFLAG & D_FLAG ? "UP" : "DN", |
| (CPU_EFLAG & T_FLAG) != 0, | CPU_EFLAG & I_FLAG ? "DI" : "EI", |
| CPU_EFLAG & S_FLAG ? "NG" : "PL", | (CPU_EFLAG & T_FLAG) != 0, |
| CPU_EFLAG & Z_FLAG ? "ZR" : "NZ", | CPU_EFLAG & S_FLAG ? "NG" : "PL", |
| CPU_EFLAG & A_FLAG ? "AC" : "NA", | CPU_EFLAG & Z_FLAG ? "ZR" : "NZ", |
| CPU_EFLAG & P_FLAG ? "PE" : "PO", | CPU_EFLAG & A_FLAG ? "AC" : "NA", |
| CPU_EFLAG & C_FLAG ? "CY" : "NC", | CPU_EFLAG & P_FLAG ? "PE" : "PO", |
| CPU_GDTR_BASE, CPU_GDTR_LIMIT, CPU_IDTR_BASE, CPU_IDTR_LIMIT, | CPU_EFLAG & C_FLAG ? "CY" : "NC", |
| CPU_LDTR, CPU_LDTR_BASE, CPU_LDTR_LIMIT, CPU_TR, CPU_TR_BASE, CPU_TR_LIMIT, | CPU_GDTR_BASE, CPU_GDTR_LIMIT, CPU_IDTR_BASE, CPU_IDTR_LIMIT, |
| CPU_CR0, CPU_CR1, CPU_CR2, CPU_CR3, CPU_CR4, CPU_MXCSR); | CPU_LDTR, CPU_LDTR_BASE, CPU_LDTR_LIMIT, |
| CPU_TR, CPU_TR_BASE, CPU_TR_LIMIT, | |
| return buf; | CPU_CR0, CPU_CR1, CPU_CR2, CPU_CR3, CPU_CR4, CPU_MXCSR); |
| } | |
| return buf; | |
| #ifdef USE_FPU | } |
| char *fpu_reg2str(void) | |
| { | static char * |
| static char buf[512]; | a20str(void) |
| char tmp[128]; | { |
| int i; | static char buf[32]; |
| int no; | |
| snprintf(buf, sizeof(buf), "a20line=%s\n", | |
| strcpy(buf, "st=\n"); | (CPU_STAT_ADRSMASK == 0xffffffff) ? "enable" : "disable"); |
| for(no = 0; no < 8; no++) | return buf; |
| { | |
| for(i = 9; i >= 0; i--) | |
| { | |
| sprintf(tmp, "%02x", FPU_ST[no][i]); | |
| strcat(buf, tmp); | |
| } | |
| strcat(buf, "\n"); | |
| } | |
| sprintf(tmp, | |
| "ctrl=%04x status=%04x tag=%04x\n" | |
| "inst=%08x%04x data=%08x%04x op=%03x\n", | |
| FPU_CTRLWORD, | |
| FPU_STATUSWORD, | |
| FPU_TAGWORD, | |
| FPU_INSTPTR_OFFSET, FPU_INSTPTR_SEG, | |
| FPU_DATAPTR_OFFSET, FPU_DATAPTR_SEG, | |
| FPU_LASTINSTOP); | |
| strcat(buf, tmp); | |
| return buf; | |
| } | |
| #endif | |
| static char *a20str(void) | |
| { | |
| static char buf[32]; | |
| sprintf(buf, "a20line=%s\n", CPU_STAT_ADRSMASK == 0xffffffff ? "enable" : "disable"); | |
| return buf; | |
| } | } |
| static char *mem2str(DWORD cs, DWORD ip) | void |
| { | put_cpuinfo(void) |
| static char buf[128]; | |
| char tmp[16]; | |
| int i; | |
| strcpy(buf, "mem=... "); | |
| for(i = -10; i < 0; i++) | |
| { | |
| sprintf(tmp, "%02x ", __i286_memoryread((cs << 4) + ip + i)); | |
| strcat(buf, tmp); | |
| } | |
| sprintf(tmp, "<%02x> ", __i286_memoryread((cs << 4) + ip)); | |
| strcat(buf, tmp); | |
| for(i = 1; i <= 10; i++) | |
| { | |
| sprintf(tmp, "%02x ", __i286_memoryread((cs << 4) + ip + i)); | |
| strcat(buf, tmp); | |
| } | |
| strcat(buf, "...\n"); | |
| return buf; | |
| } | |
| void FASTCALL msgbox_str(char *msg) | |
| { | |
| printf(msg); | |
| fflush(stdout); | |
| exit(1); | |
| } | |
| void FASTCALL msgbox_mem(DWORD no) | |
| { | { |
| char buf[2048]; | char buf[2048]; |
| char tmp[16]; | |
| strcpy(buf, cpu_reg2str()); | strcpy(buf, cpu_reg2str()); |
| strcat(buf, "\n"); | strcat(buf, "\n"); |
| #ifdef USE_FPU | #if defined(USE_FPU) |
| strcat(buf, fpu_reg2str()); | strcat(buf, fpu_reg2str()); |
| strcat(buf, "\n"); | strcat(buf, "\n"); |
| #endif | #endif |
| strcat(buf, mem2str(CPU_CS, CPU_IP)); | strcat(buf, a20str()); |
| strcat(buf, "\n"); | |
| sprintf(tmp, "no=%08x\n", no); | |
| strcat(buf, tmp); | |
| msgbox_str(buf); | printf(buf); |
| } | } |
| void put_cpuinfo(void) | void |
| dbg_printf(const char *str, ...) | |
| { | { |
| char buf[2048]; | char buf[1024]; |
| va_list ap; | |
| strcpy(buf, cpu_reg2str()); | va_start(ap, str); |
| strcat(buf, "\n"); | vsnprintf(buf, sizeof(buf), str, ap); |
| #ifdef USE_FPU | va_end(ap); |
| strcat(buf, fpu_reg2str()); | strcat(buf, "\n"); |
| strcat(buf, "\n"); | |
| #endif | |
| strcat(buf, a20str()); | |
| printf(buf); | printf(buf); |
| } | } |
| void | void |
| memory_dump(int idx, DWORD madr) | memory_dump(int idx, UINT32 madr) |
| { | { |
| DWORD addr; | UINT32 addr; |
| size_t size; | size_t size; |
| unsigned char buf[16]; | |
| size_t s, i; | size_t s, i; |
| BYTE p; | UINT8 buf[16]; |
| UINT8 c; | |
| if (madr < 0x80) { | if (madr < 0x80) { |
| size = madr + 0x80; | size = madr + 0x80; |
| Line 210 memory_dump(int idx, DWORD madr) | Line 143 memory_dump(int idx, DWORD madr) |
| memset(buf, '.', sizeof(buf)); | memset(buf, '.', sizeof(buf)); |
| } | } |
| p = cpu_vmemoryread(idx, addr + s); | c = cpu_vmemoryread(idx, addr + s); |
| VERBOSE(("%02x ", p)); | VERBOSE(("%02x ", c)); |
| if (p >= 0x20 && p <= 0x7e) | if (c >= 0x20 && c <= 0x7e) |
| buf[s % 16] = p; | buf[s % 16] = c; |
| if ((s % 16) == 15) { | if ((s % 16) == 15) { |
| VERBOSE(("| ")); | VERBOSE(("| ")); |
| Line 225 memory_dump(int idx, DWORD madr) | Line 158 memory_dump(int idx, DWORD madr) |
| } | } |
| void | void |
| gdtr_dump(DWORD base, DWORD limit) | gdtr_dump(UINT32 base, UINT limit) |
| { | { |
| DWORD v[2]; | UINT32 v[2]; |
| DWORD i; | UINT i; |
| VERBOSE(("GDTR_DUMP: GDTR_BASE = 0x%08x, GDTR_LIMIT = 0x%04x",base,limit)); | VERBOSE(("GDTR_DUMP: GDTR_BASE = 0x%08x, GDTR_LIMIT = 0x%04x", base, limit)); |
| for (i = 0; i < limit; i += 8) { | for (i = 0; i < limit; i += 8) { |
| v[0] = cpu_lmemoryread_d(base + i); | v[0] = cpu_kmemoryread_d(base + i); |
| v[1] = cpu_lmemoryread_d(base + i + 4); | v[1] = cpu_kmemoryread_d(base + i + 4); |
| VERBOSE(("GDTR_DUMP: %08x: %08x%08x", base + i, v[0], v[1])); | VERBOSE(("GDTR_DUMP: %08x: %08x%08x", base + i, v[0], v[1])); |
| } | } |
| } | } |
| void | void |
| ldtr_dump(DWORD base, DWORD limit) | ldtr_dump(UINT32 base, UINT limit) |
| { | { |
| DWORD v[2]; | UINT32 v[2]; |
| DWORD i; | UINT i; |
| VERBOSE(("LDTR_DUMP: LDTR_BASE = 0x%08x, LDTR_LIMIT = 0x%04x",base,limit)); | VERBOSE(("LDTR_DUMP: LDTR_BASE = 0x%08x, LDTR_LIMIT = 0x%04x", base, limit)); |
| for (i = 0; i < limit; i += 8) { | for (i = 0; i < limit; i += 8) { |
| v[0] = cpu_lmemoryread_d(base + i); | v[0] = cpu_kmemoryread_d(base + i); |
| v[1] = cpu_lmemoryread_d(base + i + 4); | v[1] = cpu_kmemoryread_d(base + i + 4); |
| VERBOSE(("LDTR_DUMP: %08x: %08x%08x", base + i, v[0], v[1])); | VERBOSE(("LDTR_DUMP: %08x: %08x%08x", base + i, v[0], v[1])); |
| } | } |
| } | } |
| void | void |
| idtr_dump(DWORD base, DWORD limit) | idtr_dump(UINT32 base, UINT limit) |
| { | { |
| DWORD v[2]; | UINT32 v[2]; |
| DWORD i; | UINT i; |
| VERBOSE(("IDTR_DUMP: IDTR_BASE = 0x%08x, IDTR_LIMIT = 0x%04x",base,limit)); | VERBOSE(("IDTR_DUMP: IDTR_BASE = 0x%08x, IDTR_LIMIT = 0x%04x", base, limit)); |
| for (i = 0; i < limit; i += 8) { | for (i = 0; i < limit; i += 8) { |
| v[0] = cpu_lmemoryread_d(base + i); | v[0] = cpu_kmemoryread_d(base + i); |
| v[1] = cpu_lmemoryread_d(base + i + 4); | v[1] = cpu_kmemoryread_d(base + i + 4); |
| VERBOSE(("IDTR_DUMP: %08x: %08x%08x", base + i, v[0], v[1])); | VERBOSE(("IDTR_DUMP: %08x: %08x%08x", base + i, v[0], v[1])); |
| } | } |
| } | } |
| void | void |
| tr_dump(WORD selector, DWORD base, DWORD limit) | tr_dump(UINT16 selector, UINT32 base, UINT limit) |
| { | { |
| DWORD v; | UINT32 v; |
| DWORD i; | UINT i; |
| (void)selector; | |
| VERBOSE(("TR_DUMP: selector = %04x", selector)); | VERBOSE(("TR_DUMP: selector = %04x", selector)); |
| for (i = 0; i < limit; i += 4) { | for (i = 0; i < limit; i += 4) { |
| v = cpu_lmemoryread_d(base + i); | v = cpu_kmemoryread_d(base + i); |
| VERBOSE(("TR_DUMP: %08x: %08x", base + i, v)); | VERBOSE(("TR_DUMP: %08x: %08x", base + i, v)); |
| } | } |
| } | } |
| DWORD | UINT32 |
| pde_dump(DWORD base, int idx) | pde_dump(UINT32 base, int idx) |
| { | { |
| DWORD paddr; | UINT32 paddr; |
| DWORD v; | UINT32 v; |
| int i; | int i; |
| if (idx < 0 && idx > -8192) { | if (idx < 0 && idx > -8192) { |
| Line 311 pde_dump(DWORD base, int idx) | Line 246 pde_dump(DWORD base, int idx) |
| return paddr; | return paddr; |
| } | } |
| DWORD | UINT32 |
| convert_laddr_to_paddr(DWORD laddr) | convert_laddr_to_paddr(UINT32 laddr) |
| { | { |
| DWORD paddr; /* physical address */ | UINT32 paddr; /* physical address */ |
| DWORD pde_addr; /* page directory entry address */ | UINT32 pde_addr; /* page directory entry address */ |
| DWORD pde; /* page directory entry */ | UINT32 pde; /* page directory entry */ |
| DWORD pte_addr; /* page table entry address */ | UINT32 pte_addr; /* page table entry address */ |
| DWORD pte; /* page table entry */ | UINT32 pte; /* page table entry */ |
| pde_addr = (CPU_CR3 & CPU_CR3_PD_MASK) | ((laddr >> 20) & 0xffc); | pde_addr = (CPU_CR3 & CPU_CR3_PD_MASK) | ((laddr >> 20) & 0xffc); |
| pde = cpu_memoryread_d(pde_addr); | pde = cpu_memoryread_d(pde_addr); |
| Line 335 convert_laddr_to_paddr(DWORD laddr) | Line 270 convert_laddr_to_paddr(DWORD laddr) |
| return paddr; | return paddr; |
| } | } |
| DWORD | UINT32 |
| convert_vaddr_to_paddr(unsigned int idx, DWORD offset) | convert_vaddr_to_paddr(unsigned int idx, UINT32 offset) |
| { | { |
| descriptor_t *sdp; | descriptor_t *sdp; |
| DWORD laddr; | UINT32 laddr; |
| if (idx < CPU_SEGREG_NUM) { | if (idx < CPU_SEGREG_NUM) { |
| sdp = &CPU_STAT_SREG(idx); | sdp = &CPU_STAT_SREG(idx); |