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| version 1.8, 2004/01/24 18:20:06 | version 1.16, 2004/03/06 18:25:36 |
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| Line 31 | Line 31 |
| #include "cpu.h" | #include "cpu.h" |
| #include "ia32.mcr" | #include "ia32.mcr" |
| #include "pccore.h" | |
| #include "iocore.h" | |
| #include "dmap.h" | #include "dmap.h" |
| #include "bios.h" | #include "bios.h" |
| #if defined(IA32_REBOOT_ON_PANIC) | |
| #include "pccore.h" | |
| #endif | |
| static void ia32_initreg(void) { | void |
| ia32_initreg(void) | |
| { | |
| int i; | int i; |
| CPU_STATSAVE.cpu_inst_default.seg_base = (DWORD)-1; | CPU_STATSAVE.cpu_inst_default.seg_base = (UINT32)-1; |
| CPU_EDX = (CPU_FAMILY << 8) | (CPU_MODEL << 4) | CPU_STEPPING; | CPU_EDX = (CPU_FAMILY << 8) | (CPU_MODEL << 4) | CPU_STEPPING; |
| CPU_EFLAG = 2; | CPU_EFLAG = 2; |
| Line 68 static void ia32_initreg(void) { | Line 74 static void ia32_initreg(void) { |
| CPU_SET_SEGREG(CPU_CS_INDEX, 0xf000); | CPU_SET_SEGREG(CPU_CS_INDEX, 0xf000); |
| CPU_EIP = 0xfff0; | CPU_EIP = 0xfff0; |
| CPU_ADRSMASK = 0x000fffff; | CPU_ADRSMASK = 0x000fffff; |
| tlb_init(); | |
| } | } |
| void | void |
| ia32reset(void) | ia32reset(void) |
| { | { |
| ZeroMemory(&i386core.s, sizeof(i386core.s)); | |
| memset(&i386core.s, 0, sizeof(i386core.s)); | |
| ia32_initreg(); | ia32_initreg(); |
| } | } |
| void | void |
| ia32shut(void) | ia32shut(void) |
| { | { |
| ZeroMemory(&i386core.s, offsetof(I386STAT, cpu_type)); | |
| memset(&i386core.s, 0, offsetof(I386STAT, cpu_type)); | |
| ia32_initreg(); | ia32_initreg(); |
| } | } |
| Line 98 ia32(void) | Line 108 ia32(void) |
| VERBOSE(("ia32: return from exception")); | VERBOSE(("ia32: return from exception")); |
| break; | break; |
| case 2: | |
| VERBOSE(("ia32: return from panic")); | |
| return; | |
| default: | default: |
| VERBOSE(("ia32: return from unknown cause")); | VERBOSE(("ia32: return from unknown cause")); |
| break; | break; |
| } | } |
| do { | if (CPU_TRAP) { |
| exec_1step(); | do { |
| } while (CPU_REMCLOCK > 0); | exec_1step(); |
| } | if (CPU_TRAP) { |
| ia32_interrupt(1); | |
| void | } |
| ia32withtrap(void) | dmap(); |
| { | } while (CPU_REMCLOCK > 0); |
| int rv; | } else if (dmac.working) { |
| do { | |
| rv = sigsetjmp(exec_1step_jmpbuf, 1); | exec_1step(); |
| switch (rv) { | dmap(); |
| case 0: | } while (CPU_REMCLOCK > 0); |
| break; | } else { |
| do { | |
| case 1: | exec_1step(); |
| VERBOSE(("ia32withtrap: return from exception")); | } while (CPU_REMCLOCK > 0); |
| break; | |
| default: | |
| VERBOSE(("ia32withtrap: return from unknown cause")); | |
| break; | |
| } | } |
| do { | |
| exec_1step(); | |
| if (CPU_TRAP) { | |
| ia32_interrupt(1); | |
| } | |
| } while (CPU_REMCLOCK > 0); | |
| } | |
| void | |
| ia32withdma(void) | |
| { | |
| int rv; | |
| rv = sigsetjmp(exec_1step_jmpbuf, 1); | |
| switch (rv) { | |
| case 0: | |
| break; | |
| case 1: | |
| VERBOSE(("ia32withdma: return from exception")); | |
| break; | |
| default: | |
| VERBOSE(("ia32withdma: return from unknown cause")); | |
| break; | |
| } | |
| do { | |
| exec_1step(); | |
| dmap_i286(); | |
| } while (CPU_REMCLOCK > 0); | |
| } | } |
| void | void |
| Line 174 ia32_step(void) | Line 151 ia32_step(void) |
| VERBOSE(("ia32_step: return from exception")); | VERBOSE(("ia32_step: return from exception")); |
| break; | break; |
| case 2: | |
| VERBOSE(("ia32_step: return from panic")); | |
| return; | |
| default: | default: |
| VERBOSE(("ia32_step: return from unknown cause")); | VERBOSE(("ia32_step: return from unknown cause")); |
| break; | break; |
| Line 184 ia32_step(void) | Line 165 ia32_step(void) |
| if (CPU_TRAP) { | if (CPU_TRAP) { |
| ia32_interrupt(1); | ia32_interrupt(1); |
| } | } |
| dmap_i286(); | dmap(); |
| } while (CPU_REMCLOCK > 0); | } while (CPU_REMCLOCK > 0); |
| } | } |
| void CPUCALL | void CPUCALL |
| ia32_interrupt(BYTE vect) | ia32_interrupt(int vect) |
| { | { |
| INTERRUPT(vect, 0, 0, 0); | INTERRUPT(vect, 0, 0, 0); |
| Line 214 ia32_panic(const char *str, ...) | Line 195 ia32_panic(const char *str, ...) |
| msgbox("ia32_panic", buf); | msgbox("ia32_panic", buf); |
| #if defined(IA32_REBOOT_ON_PANIC) | |
| VERBOSE(("ia32_panic: reboot")); | |
| pccore_cfgupdate(); | |
| pccore_reset(); | |
| siglongjmp(exec_1step_jmpbuf, 2); | |
| #else | |
| __ASSERT(0); | __ASSERT(0); |
| exit(1); | exit(1); |
| #endif | |
| } | } |
| void | void |
| Line 251 ia32_printf(const char *str, ...) | Line 239 ia32_printf(const char *str, ...) |
| void | void |
| ia32_bioscall(void) | ia32_bioscall(void) |
| { | { |
| DWORD adrs; | UINT32 adrs; |
| if (!CPU_STAT_PM && !CPU_INST_OP32 && !CPU_INST_AS32) { | if (!CPU_STAT_PM || CPU_STAT_VM86) { |
| adrs = ((CPU_IP-1) & 0xffff) + CPU_STAT_SREGBASE(CPU_CS_INDEX); | adrs = (CPU_EIP - 1) + CPU_STAT_CS_BASE; |
| if ((adrs >= 0xf8000) && (adrs < 0x100000)) { | if ((adrs >= 0xf8000) && (adrs < 0x100000)) { |
| biosfunc(adrs); | biosfunc(adrs); |
| CPU_SET_SEGREG(CPU_ES_INDEX, CPU_ES); | if (!CPU_STAT_PM || CPU_STAT_VM86) { |
| CPU_SET_SEGREG(CPU_CS_INDEX, CPU_CS); | CPU_SET_SEGREG(CPU_ES_INDEX, CPU_ES); |
| CPU_SET_SEGREG(CPU_SS_INDEX, CPU_SS); | CPU_SET_SEGREG(CPU_CS_INDEX, CPU_CS); |
| CPU_SET_SEGREG(CPU_DS_INDEX, CPU_DS); | CPU_SET_SEGREG(CPU_SS_INDEX, CPU_SS); |
| CPU_SET_SEGREG(CPU_DS_INDEX, CPU_DS); | |
| } | |
| } | } |
| } | } |
| } | } |