--- np2/i386c/ia32/cpu.c 2003/12/22 18:00:31 1.2 +++ np2/i386c/ia32/cpu.c 2004/03/07 02:10:24 1.15 @@ -1,4 +1,4 @@ -/* $Id: cpu.c,v 1.2 2003/12/22 18:00:31 monaka Exp $ */ +/* $Id: cpu.c,v 1.15 2004/03/07 02:10:24 yui Exp $ */ /* * Copyright (c) 2002-2003 NONAKA Kimihiro @@ -28,195 +28,132 @@ */ #include "compiler.h" +#include "dosio.h" #include "cpu.h" #include "ia32.mcr" #include "inst_table.h" -#if defined(IA32_PROFILE_INSTRUCTION) -UINT32 inst_1byte_count[2][256]; -UINT32 inst_2byte_count[2][256]; -UINT32 ea16_count[24]; -UINT32 ea32_count[24]; -UINT32 sib0_count[256]; -UINT32 sib1_count[256]; -UINT32 sib2_count[256]; - -static const char *ea16_str[24] = { - "BX + SI", "BX + SI + DISP8", "BX + SI + DISP16", - "BX + DI", "BX + DI + DISP8", "BX + DI + DISP16", - "BP + SI", "BP + SI + DISP8", "BP + SI + DISP16", - "BP + DI", "BP + DI + DISP8", "BP + DI + DISP16", - "SI", "SI + DISP8", "SI + DISP16", - "DI", "DI + DISP8", "DI + DISP16", - "DISP16", "BP + DISP8", "BP + DISP16", - "BX", "BX + DISP8", "BX + DISP16", -}; - -static const char *ea32_str[24] = { - "EAX", "ECX", "EDX", "EBX", "SIB", "DISP32", "ESI", "EDI", - "EAX + DISP8", "ECX + DISP8", "EDX + DISP8", "EBX + DISP8", - "SIB + DISP8", "EBP + DISP8", "ESI + DISP8", "EDI + DISP8", - "EAX + DISP32", "ECX + DISP32", "EDX + DISP32", "EBX + DISP32", - "SIB + DISP32", "EBP + DISP32", "ESI + DISP32", "EDI + DISP32", -}; - -static const char *sib0_base_str[8] = { - "EAX", "ECX", "EDX", "EBX", "ESP", "DISP32", "ESI", "EDI", -}; - -static const char *sib1_base_str[8] = { - "EAX", "ECX", "EDX", "EBX", "ESP", "EBP", "ESI", "EDI", -}; - -static const char *sib_index_str[8] = { - "EAX", "ECX", "EDX", "EBX", "", "EBP", "ESI", "EDI", -}; - -static const char *sib_scale_str[4] = { - "", "2", "4", "8", -}; -void -clear_profile_inst(void) -{ +sigjmp_buf exec_1step_jmpbuf; - memset(inst_1byte_count, 0, sizeof(inst_1byte_count)); - memset(inst_2byte_count, 0, sizeof(inst_2byte_count)); - memset(ea16_count, 0, sizeof(ea16_count)); - memset(ea32_count, 0, sizeof(ea32_count)); - memset(sib0_count, 0, sizeof(sib0_count)); - memset(sib1_count, 0, sizeof(sib1_count)); - memset(sib2_count, 0, sizeof(sib2_count)); -} +#if defined(IA32_INSTRUCTION_TRACE) +typedef struct { + CPU_REGS regs; + disasm_context_t disasm; -void -show_profile_inst(void) -{ - int i; + BYTE op[MAX_PREFIX + 2]; + int opbytes; +} ia32_context_t; - printf("instruction (16bit)\n"); - for (i = 0; i < 256; i++) { - if (inst_1byte_count[0][i] != 0) { - printf("0x%02x: %d\n", i, inst_1byte_count[0][i]); - } - } - for (i = 0; i < 256; i++) { - if (inst_2byte_count[0][i] != 0) { - printf("0x0f%02x: %d\n", i, inst_2byte_count[0][i]); - } - } +#define NCTX 1024 - printf("instruction (32bit)\n"); - for (i = 0; i < 256; i++) { - if (inst_1byte_count[1][i] != 0) { - printf("0x%02x: %d\n", i, inst_1byte_count[1][i]); - } - } - for (i = 0; i < 256; i++) { - if (inst_2byte_count[1][i] != 0) { - printf("0x0f%02x: %d\n", i, inst_2byte_count[1][i]); - } - } -} +ia32_context_t ctx[NCTX]; +int ctx_index = 0; -void -show_profile_ea(void) -{ - char buf[80]; - char tmp[80]; - int i; - int t; - - printf("EA16\n"); - for (i = 0; i < NELEMENTS(ea16_count); i++) { - if (ea16_count[i] != 0) { - printf("%s: %d\n", ea16_str[i], ea16_count[i]); - } - } - printf("EA32\n"); - for (i = 0; i < NELEMENTS(ea32_count); i++) { - if (ea32_count[i] != 0) { - printf("%s: %d\n", ea32_str[i], ea32_count[i]); - } - } - printf("SIB0\n"); - for (i = 0; i < NELEMENTS(sib0_count); i++) { - if (sib0_count[i] != 0) { - sprintf(tmp, "%s", sib0_base_str[i & 7]); - strcpy(buf, tmp); - t = (i >> 3) & 7; - if (t != 4) { - sprintf(tmp, " + %s", sib_index_str[t]); - strcat(buf, tmp); - } - t = (i >> 6) & 3; - if (t != 0) { - sprintf(tmp, " * %s", sib_scale_str[t]); - strcat(buf, tmp); - } - printf("%s: %d\n", buf, sib0_count[i]); - } - } - printf("SIB1\n"); - for (i = 0; i < NELEMENTS(sib1_count); i++) { - if (sib1_count[i] != 0) { - sprintf(tmp, "%s", sib1_base_str[i & 7]); - strcpy(buf, tmp); - t = (i >> 3) & 7; - if (t != 4) { - sprintf(tmp, " + %s", sib_index_str[t]); - strcat(buf, tmp); - } - t = (i >> 6) & 3; - if (t != 0) { - sprintf(tmp, " * %s", sib_scale_str[t]); - strcat(buf, tmp); - } - printf("%s + DISP8: %d\n", buf, sib1_count[i]); - } - } - printf("SIB2\n"); - for (i = 0; i < NELEMENTS(sib2_count); i++) { - if (sib2_count[i] != 0) { - sprintf(tmp, "%s", sib1_base_str[i & 7]); - strcpy(buf, tmp); - t = (i >> 3) & 7; - if (t != 4) { - sprintf(tmp, " + %s", sib_index_str[t]); - strcat(buf, tmp); - } - t = (i >> 6) & 3; - if (t != 0) { - sprintf(tmp, " * %s", sib_scale_str[t]); - strcat(buf, tmp); - } - printf("%s + DISP32: %d\n", buf, sib2_count[i]); - } +int cpu_inst_trace = 0; +#endif + + +// #define IPTRACE (1 << 14) + +#if defined(TRACE) && IPTRACE +static UINT trpos = 0; +static UINT32 trcs[IPTRACE]; +static UINT32 treip[IPTRACE]; + +void iptrace_out(void) { + + FILEH fh; + UINT s; + UINT32 cs; + UINT32 eip; + char buf[32]; + + s = trpos; + if (s > IPTRACE) { + s -= IPTRACE; + } + else { + s = 0; + } + fh = file_create_c("his.txt"); + while(s < trpos) { + cs = trcs[s & (IPTRACE - 1)]; + eip = treip[s & (IPTRACE - 1)]; + s++; + SPRINTF(buf, "%.4x:%.8x\r\n", cs, eip); + file_write(fh, buf, strlen(buf)); } + file_close(fh); } #endif -#define MAX_PREFIX 8 - -jmp_buf exec_1step_jmpbuf; void exec_1step(void) { - BYTE op; - BYTE prefix; + int prefix; + UINT32 op; CPU_PREV_EIP = CPU_EIP; - CPU_STATSAVE.cpu_inst = CPU_STATSAVE.cpu_inst_default; +#if defined(TRACE) && IPTRACE + trcs[trpos & (IPTRACE - 1)] = CPU_CS; + treip[trpos & (IPTRACE - 1)] = CPU_EIP; + trpos++; +#endif + +#if defined(IA32_INSTRUCTION_TRACE) + ctx[ctx_index].regs = CPU_STATSAVE.cpu_regs; + if (cpu_inst_trace) { + disasm_context_t *d = &ctx[ctx_index].disasm; + UINT32 eip = CPU_EIP; + int rv; + + rv = disasm(&eip, d); + if (rv == 0) { + char buf[256]; + char tmp[32]; + int len = d->nopbytes > 8 ? 8 : d->nopbytes; + int i; + + buf[0] = '\0'; + for (i = 0; i < len; i++) { + snprintf(tmp, sizeof(tmp), "%02x ", d->opcode[i]); + milstr_ncat(buf, tmp, sizeof(buf)); + } + for (; i < 8; i++) { + milstr_ncat(buf, " ", sizeof(buf)); + } + VERBOSE(("%04x:%08x: %s%s", CPU_CS, CPU_EIP, buf, d->str)); + + buf[0] = '\0'; + for (; i < d->nopbytes; i++) { + snprintf(tmp, sizeof(tmp), "%02x ", d->opcode[i]); + milstr_ncat(buf, tmp, sizeof(buf)); + if ((i % 8) == 7) { + VERBOSE((" : %s", buf)); + buf[0] = '\0'; + } + } + if ((i % 8) != 0) { + VERBOSE((" : %s", buf)); + } + } + } + ctx[ctx_index].opbytes = 0; +#endif for (prefix = 0; prefix < MAX_PREFIX; prefix++) { GET_PCBYTE(op); +#if defined(IA32_INSTRUCTION_TRACE) + ctx[ctx_index].op[prefix] = op; + ctx[ctx_index].opbytes++; +#endif /* prefix */ if (insttable_info[op] & INST_PREFIX) { - PROFILE_INC_INST_1BYTE(op); (*insttable_1byte[0][op])(); continue; } @@ -225,7 +162,16 @@ exec_1step(void) if (prefix == MAX_PREFIX) { EXCEPTION(UD_EXCEPTION, 0); } - PROFILE_INC_INST_1BYTE(op); + +#if defined(IA32_INSTRUCTION_TRACE) + if (op == 0x0f) { + BYTE op2; + op2 = cpu_codefetch(CPU_EIP); + ctx[ctx_index].op[prefix + 1] = op2; + ctx[ctx_index].opbytes++; + } + ctx_index = (ctx_index + 1) % NELEMENTS(ctx); +#endif /* normal / rep, but not use */ if (!(insttable_info[op] & INST_STRING) || !CPU_INST_REPUSE) {