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| version 1.1, 2003/12/08 00:55:31 | version 1.3, 2003/12/25 19:21:17 |
|---|---|
| Line 37 | Line 37 |
| void | void |
| ia32reset(void) | ia32reset(void) |
| { | { |
| // cpu_init(); | int i; |
| #ifdef USE_FPU // ->ia32_init | |
| // fpu_init(); | memset(&i386core.s, 0, sizeof(i386core.s)); // yui |
| #endif | CPU_STATSAVE.cpu_inst_default.seg_base = (DWORD)-1; |
| CPU_EDX = (CPU_FAMILY << 8) | (CPU_MODEL << 4) | CPU_STEPPING; | |
| CPU_EFLAG = 2; | |
| CPU_CR0 = CPU_CR0_CD | CPU_CR0_NW | CPU_CR0_ET; | |
| CPU_MXCSR = 0x1f80; | |
| CPU_GDTR_LIMIT = 0xffff; | |
| CPU_IDTR_LIMIT = 0xffff; | |
| for (i = 0; i < CPU_SEGREG_NUM; ++i) { | |
| CPU_STAT_SREG_INIT(i); | |
| } | |
| CPU_LDTR_LIMIT = 0xffff; | |
| CPU_TR_LIMIT = 0xffff; | |
| CPU_SET_SEGREG(CPU_CS_INDEX, 0xffff); | |
| CPU_ADRSMASK = 0xfffff; | |
| // CPU_EIP = 0; | |
| } | |
| void | |
| ia32shut(void) | |
| { | |
| SINT32 remainclock; // 結局ハマるのか漏れ… | |
| SINT32 baseclock; | |
| UINT32 clock; | |
| remainclock = CPU_REMCLOCK; | |
| baseclock = CPU_BASECLOCK; | |
| clock = CPU_CLOCK; | |
| ia32reset(); | |
| CPU_SET_SEGREG(CPU_CS_INDEX, 0x1fc0); | CPU_REMCLOCK = remainclock; |
| CPU_BASECLOCK = baseclock; | |
| CPU_CLOCK = clock; | |
| } | } |
| void | void |
| Line 50 ia32(void) | Line 83 ia32(void) |
| { | { |
| int rv; | int rv; |
| #if defined(WIN32) | |
| rv = setjmp(exec_1step_jmpbuf); | |
| #else | |
| rv = sigsetjmp(exec_1step_jmpbuf, 1); | rv = sigsetjmp(exec_1step_jmpbuf, 1); |
| #endif | |
| switch (rv) { | switch (rv) { |
| case 0: | case 0: |
| break; | break; |
| Line 70 ia32withtrap(void) | Line 107 ia32withtrap(void) |
| { | { |
| int rv; | int rv; |
| #if defined(WIN32) | |
| rv = setjmp(exec_1step_jmpbuf); | |
| #else | |
| rv = sigsetjmp(exec_1step_jmpbuf, 1); | rv = sigsetjmp(exec_1step_jmpbuf, 1); |
| #endif | |
| switch (rv) { | switch (rv) { |
| case 0: | case 0: |
| break; | break; |
| Line 94 ia32withdma(void) | Line 135 ia32withdma(void) |
| { | { |
| int rv; | int rv; |
| #if defined(WIN32) | |
| rv = setjmp(exec_1step_jmpbuf); | |
| #else | |
| rv = sigsetjmp(exec_1step_jmpbuf, 1); | rv = sigsetjmp(exec_1step_jmpbuf, 1); |
| #endif | |
| switch (rv) { | switch (rv) { |
| case 0: | case 0: |
| break; | break; |
| Line 116 ia32_step(void) | Line 161 ia32_step(void) |
| { | { |
| int rv; | int rv; |
| #if defined(WIN32) | |
| rv = setjmp(exec_1step_jmpbuf); | |
| #else | |
| rv = sigsetjmp(exec_1step_jmpbuf, 1); | rv = sigsetjmp(exec_1step_jmpbuf, 1); |
| #endif | |
| switch (rv) { | switch (rv) { |
| case 0: | case 0: |
| break; | break; |