--- np2/i386c/ia32/interface.c 2004/01/23 14:33:26 1.7 +++ np2/i386c/ia32/interface.c 2004/03/09 18:52:12 1.18 @@ -1,4 +1,4 @@ -/* $Id: interface.c,v 1.7 2004/01/23 14:33:26 monaka Exp $ */ +/* $Id: interface.c,v 1.18 2004/03/09 18:52:12 yui Exp $ */ /* * Copyright (c) 2002-2003 NONAKA Kimihiro @@ -31,17 +31,21 @@ #include "cpu.h" #include "ia32.mcr" +#include "pccore.h" +#include "iocore.h" #include "dmap.h" #include "bios.h" +#if defined(IA32_REBOOT_ON_PANIC) +#include "pccore.h" +#endif void -ia32reset(void) +ia32_initreg(void) { int i; - memset(&i386core.s, 0, sizeof(i386core.s)); - 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_EFLAG = 2; @@ -56,7 +60,7 @@ ia32reset(void) #if CPU_FAMILY == 4 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[7] = 0x00000400; #endif @@ -70,79 +74,28 @@ ia32reset(void) CPU_SET_SEGREG(CPU_CS_INDEX, 0xf000); CPU_EIP = 0xfff0; CPU_ADRSMASK = 0x000fffff; -} -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_REMCLOCK = remainclock; - CPU_BASECLOCK = baseclock; - CPU_CLOCK = clock; + tlb_init(); } void -ia32(void) +ia32reset(void) { - int rv; - - rv = sigsetjmp(exec_1step_jmpbuf, 1); - switch (rv) { - case 0: - break; - case 1: - VERBOSE(("ia32: return from exception")); - break; - - default: - VERBOSE(("ia32: return from unknown cause")); - break; - } - - do { - exec_1step(); - } while (CPU_REMCLOCK > 0); + memset(&i386core.s, 0, sizeof(i386core.s)); + ia32_initreg(); } void -ia32withtrap(void) +ia32shut(void) { - int rv; - rv = sigsetjmp(exec_1step_jmpbuf, 1); - switch (rv) { - case 0: - break; - - case 1: - VERBOSE(("ia32withtrap: return from exception")); - break; - - default: - VERBOSE(("ia32withtrap: return from unknown cause")); - break; - } - - do { - exec_1step(); - if (CPU_TRAP) { - ia32_interrupt(1); - } - } while (CPU_REMCLOCK > 0); + memset(&i386core.s, 0, offsetof(I386STAT, cpu_type)); + ia32_initreg(); } void -ia32withdma(void) +ia32(void) { int rv; @@ -152,18 +105,46 @@ ia32withdma(void) break; case 1: - VERBOSE(("ia32withdma: return from exception")); + VERBOSE(("ia32: return from exception")); break; + case 2: + VERBOSE(("ia32: return from panic")); + return; + default: - VERBOSE(("ia32withdma: return from unknown cause")); + VERBOSE(("ia32: return from unknown cause")); break; } +#if defined(IA32_SUPPORT_DEBUG_REGISTER) do { exec_1step(); - dmap_i286(); + if (dmac.working) { + dmap(); + } } while (CPU_REMCLOCK > 0); +#else + if (CPU_TRAP) { + do { + exec_1step(); + if (CPU_TRAP) { + CPU_DR6 |= CPU_DR6_BS; + INTERRUPT(1, TRUE, FALSE, 0); + } + dmap(); + } while (CPU_REMCLOCK > 0); + } else if (dmac.working) { + do { + exec_1step(); + dmap(); + } while (CPU_REMCLOCK > 0); + } else { + do { + exec_1step(); + } while (CPU_REMCLOCK > 0); + } +#endif } void @@ -180,6 +161,10 @@ ia32_step(void) VERBOSE(("ia32_step: return from exception")); break; + case 2: + VERBOSE(("ia32_step: return from panic")); + return; + default: VERBOSE(("ia32_step: return from unknown cause")); break; @@ -187,18 +172,23 @@ ia32_step(void) do { exec_1step(); +#if !defined(IA32_SUPPORT_DEBUG_REGISTER) if (CPU_TRAP) { - ia32_interrupt(1); + CPU_DR6 |= CPU_DR6_BS; + INTERRUPT(1, TRUE, FALSE, 0); + } +#endif + if (dmac.working) { + dmap(); } - dmap_i286(); } while (CPU_REMCLOCK > 0); } void CPUCALL -ia32_interrupt(BYTE vect) +ia32_interrupt(int vect) { - INTERRUPT(vect, 0, 0, 0); + INTERRUPT(vect, FALSE, FALSE, 0); } @@ -220,8 +210,14 @@ ia32_panic(const char *str, ...) msgbox("ia32_panic", buf); +#if defined(IA32_REBOOT_ON_PANIC) + VERBOSE(("ia32_panic: reboot")); + pccore_reset(); + siglongjmp(exec_1step_jmpbuf, 2); +#else __ASSERT(0); exit(1); +#endif } void @@ -257,16 +253,22 @@ ia32_printf(const char *str, ...) void ia32_bioscall(void) { - DWORD adrs; + UINT32 adrs; - if (!CPU_STAT_PM && !CPU_INST_OP32 && !CPU_INST_AS32) { - adrs = ((CPU_IP-1) & 0xffff) + CPU_STAT_SREGBASE(CPU_CS_INDEX); + 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; +#endif if ((adrs >= 0xf8000) && (adrs < 0x100000)) { biosfunc(adrs); - CPU_SET_SEGREG(CPU_ES_INDEX, CPU_ES); - CPU_SET_SEGREG(CPU_CS_INDEX, CPU_CS); - CPU_SET_SEGREG(CPU_SS_INDEX, CPU_SS); - CPU_SET_SEGREG(CPU_DS_INDEX, CPU_DS); + if (!CPU_STAT_PM || CPU_STAT_VM86) { + CPU_SET_SEGREG(CPU_ES_INDEX, CPU_ES); + CPU_SET_SEGREG(CPU_CS_INDEX, CPU_CS); + CPU_SET_SEGREG(CPU_SS_INDEX, CPU_SS); + CPU_SET_SEGREG(CPU_DS_INDEX, CPU_DS); + } } } }