| version 1.13, 2004/02/20 16:09:04 | version 1.22, 2005/02/08 09:57:26 | 
| Line 31 | Line 31 | 
 | #include "cpu.h" | #include "cpu.h" | 
 | #include "ia32.mcr" | #include "ia32.mcr" | 
 |  |  | 
| #include "dmap.h" | #include "pccore.h" | 
|  | #include "iocore.h" | 
|  | #include "dmax86.h" | 
 | #include "bios.h" | #include "bios.h" | 
 | #if defined(IA32_REBOOT_ON_PANIC) | #if defined(IA32_REBOOT_ON_PANIC) | 
 | #include "pccore.h" | #include "pccore.h" | 
| Line 58  ia32_initreg(void) | Line 60  ia32_initreg(void) | 
 |  |  | 
 | #if CPU_FAMILY == 4 | #if CPU_FAMILY == 4 | 
 | CPU_STATSAVE.cpu_regs.dr[6] = 0xffff1ff0; | CPU_STATSAVE.cpu_regs.dr[6] = 0xffff1ff0; | 
| #elif (CPU_FAMILY == 5) || (CPU_FAMILY == 6) | #elif CPU_FAMILY >= 5 | 
 | CPU_STATSAVE.cpu_regs.dr[6] = 0xffff0ff0; | CPU_STATSAVE.cpu_regs.dr[6] = 0xffff0ff0; | 
 | CPU_STATSAVE.cpu_regs.dr[7] = 0x00000400; | CPU_STATSAVE.cpu_regs.dr[7] = 0x00000400; | 
 | #endif | #endif | 
| Line 72  ia32_initreg(void) | Line 74  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 | 
| Line 91  ia32shut(void) | Line 95  ia32shut(void) | 
 | } | } | 
 |  |  | 
 | void | void | 
| ia32(void) | ia32a20enable(BOOL enable) | 
 | { | { | 
| int rv; | #if (CPU_FAMILY == 3) | 
|  | CPU_ADRSMASK = (enable)?0x00ffffff:0x00ffffff; | 
| rv = sigsetjmp(exec_1step_jmpbuf, 1); | #else | 
| switch (rv) { | CPU_ADRSMASK = (enable)?0xffffffff:0x00ffffff; | 
| case 0: | #endif | 
| break; |  | 
|  |  | 
| case 1: |  | 
| VERBOSE(("ia32: return from exception")); |  | 
| break; |  | 
|  |  | 
| case 2: |  | 
| VERBOSE(("ia32: return from panic")); |  | 
| return; |  | 
|  |  | 
| default: |  | 
| VERBOSE(("ia32: return from unknown cause")); |  | 
| break; |  | 
| } |  | 
|  |  | 
| do { |  | 
| exec_1step(); |  | 
| } while (CPU_REMCLOCK > 0); |  | 
 | } | } | 
 |  |  | 
 | void | void | 
| ia32withtrap(void) | ia32(void) | 
 | { | { | 
 | int rv; | int rv; | 
 |  |  | 
| Line 129  ia32withtrap(void) | Line 115  ia32withtrap(void) | 
 | break; | break; | 
 |  |  | 
 | case 1: | case 1: | 
| VERBOSE(("ia32withtrap: return from exception")); | VERBOSE(("ia32: return from exception")); | 
 | break; | break; | 
 |  |  | 
 | case 2: | case 2: | 
| VERBOSE(("ia32withtrap: return from panic")); | VERBOSE(("ia32: return from panic")); | 
 | return; | return; | 
 |  |  | 
 | default: | default: | 
| VERBOSE(("ia32withtrap: return from unknown cause")); | VERBOSE(("ia32: return from unknown cause")); | 
 | break; | break; | 
 | } | } | 
 |  |  | 
 |  | #if defined(IA32_SUPPORT_DEBUG_REGISTER) | 
 | do { | do { | 
 | exec_1step(); | exec_1step(); | 
| if (CPU_TRAP) { | if (dmac.working) { | 
| ia32_interrupt(1); | dmax86(); | 
 | } | } | 
 | } while (CPU_REMCLOCK > 0); | } while (CPU_REMCLOCK > 0); | 
| } | #else | 
|  | if (CPU_TRAP) { | 
| void | do { | 
| ia32withdma(void) | exec_1step(); | 
| { | if (CPU_TRAP) { | 
| int rv; | CPU_DR6 |= CPU_DR6_BS; | 
|  | INTERRUPT(1, TRUE, FALSE, 0); | 
| rv = sigsetjmp(exec_1step_jmpbuf, 1); | } | 
| switch (rv) { | dmax86(); | 
| case 0: | } while (CPU_REMCLOCK > 0); | 
| break; | } else if (dmac.working) { | 
|  | do { | 
| case 1: | exec_1step(); | 
| VERBOSE(("ia32withdma: return from exception")); | dmax86(); | 
| break; | } while (CPU_REMCLOCK > 0); | 
|  | } else { | 
| case 2: | do { | 
| VERBOSE(("ia32withdma: return from panic")); | exec_1step(); | 
| return; | } while (CPU_REMCLOCK > 0); | 
|  |  | 
| default: |  | 
| VERBOSE(("ia32withdma: return from unknown cause")); |  | 
| break; |  | 
 | } | } | 
|  | #endif | 
| do { |  | 
| exec_1step(); |  | 
| dmap_i286(); |  | 
| } while (CPU_REMCLOCK > 0); |  | 
 | } | } | 
 |  |  | 
 | void | void | 
| Line 203  ia32_step(void) | Line 182  ia32_step(void) | 
 |  |  | 
 | do { | do { | 
 | exec_1step(); | exec_1step(); | 
 |  | #if !defined(IA32_SUPPORT_DEBUG_REGISTER) | 
 | if (CPU_TRAP) { | if (CPU_TRAP) { | 
| ia32_interrupt(1); | CPU_DR6 |= CPU_DR6_BS; | 
|  | INTERRUPT(1, TRUE, FALSE, 0); | 
|  | } | 
|  | #endif | 
|  | if (dmac.working) { | 
|  | dmax86(); | 
 | } | } | 
 | dmap_i286(); |  | 
 | } while (CPU_REMCLOCK > 0); | } while (CPU_REMCLOCK > 0); | 
 | } | } | 
 |  |  | 
 | void CPUCALL | void CPUCALL | 
| ia32_interrupt(int vect) | ia32_interrupt(int vect, int soft) | 
 | { | { | 
 |  |  | 
| INTERRUPT(vect, 0, 0, 0); | //      TRACEOUT(("int (%x, %x) PE=%d VM=%d",  vect, soft, CPU_STAT_PM, CPU_STAT_VM86)); | 
|  | if (!soft) { | 
|  | INTERRUPT(vect, FALSE, FALSE, 0); | 
|  | } | 
|  | else { | 
|  | if (CPU_STAT_VM86 && (CPU_STAT_IOPL < CPU_IOPL3) && (soft == -1)) { | 
|  | TRACEOUT(("BIOS interrupt: VM86 && IOPL < 3 && INTn")); | 
|  | } | 
|  | INTERRUPT(vect, TRUE, FALSE, 0); | 
|  | } | 
 | } | } | 
 |  |  | 
 |  |  | 
| Line 238  ia32_panic(const char *str, ...) | Line 231  ia32_panic(const char *str, ...) | 
 |  |  | 
 | #if defined(IA32_REBOOT_ON_PANIC) | #if defined(IA32_REBOOT_ON_PANIC) | 
 | VERBOSE(("ia32_panic: reboot")); | VERBOSE(("ia32_panic: reboot")); | 
 | pccore_cfgupdate(); |  | 
 | pccore_reset(); | pccore_reset(); | 
 | siglongjmp(exec_1step_jmpbuf, 2); | siglongjmp(exec_1step_jmpbuf, 2); | 
 | #else | #else | 
| Line 283  ia32_bioscall(void) | Line 275  ia32_bioscall(void) | 
 | UINT32 adrs; | UINT32 adrs; | 
 |  |  | 
 | if (!CPU_STAT_PM || CPU_STAT_VM86) { | if (!CPU_STAT_PM || CPU_STAT_VM86) { | 
 |  | #if 1 | 
 |  | adrs = (CPU_EIP - 1) + ((CPU_REGS_SREG(CPU_CS_INDEX)) << 4); | 
 |  | #else | 
 | adrs = (CPU_EIP - 1) + CPU_STAT_CS_BASE; | adrs = (CPU_EIP - 1) + CPU_STAT_CS_BASE; | 
 |  | #endif | 
 | if ((adrs >= 0xf8000) && (adrs < 0x100000)) { | if ((adrs >= 0xf8000) && (adrs < 0x100000)) { | 
| biosfunc(adrs); | if (biosfunc(adrs)) { | 
|  | CPU_PREFETCH_CLEAR(); | 
|  | } | 
 | if (!CPU_STAT_PM || CPU_STAT_VM86) { | if (!CPU_STAT_PM || CPU_STAT_VM86) { | 
 | CPU_SET_SEGREG(CPU_ES_INDEX, CPU_ES); | CPU_SET_SEGREG(CPU_ES_INDEX, CPU_ES); | 
 | CPU_SET_SEGREG(CPU_CS_INDEX, CPU_CS); | CPU_SET_SEGREG(CPU_CS_INDEX, CPU_CS); |