--- np2/i386c/ia32/interface.c 2004/01/27 15:56:20 1.9 +++ np2/i386c/ia32/interface.c 2005/02/08 09:57:26 1.22 @@ -1,4 +1,4 @@ -/* $Id: interface.c,v 1.9 2004/01/27 15:56:20 monaka Exp $ */ +/* $Id: interface.c,v 1.22 2005/02/08 09:57:26 yui Exp $ */ /* * Copyright (c) 2002-2003 NONAKA Kimihiro @@ -31,18 +31,21 @@ #include "cpu.h" #include "ia32.mcr" -#include "dmap.h" +#include "pccore.h" +#include "iocore.h" +#include "dmax86.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; - 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; @@ -57,7 +60,7 @@ static void ia32_initreg(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 @@ -71,52 +74,38 @@ static void ia32_initreg(void) { CPU_SET_SEGREG(CPU_CS_INDEX, 0xf000); CPU_EIP = 0xfff0; CPU_ADRSMASK = 0x000fffff; + + tlb_init(); } void ia32reset(void) { - ZeroMemory(&i386core.s, sizeof(i386core.s)); + + memset(&i386core.s, 0, sizeof(i386core.s)); ia32_initreg(); } void ia32shut(void) { - ZeroMemory(&i386core.s, offsetof(I386STAT, cpu_type)); + + memset(&i386core.s, 0, offsetof(I386STAT, cpu_type)); ia32_initreg(); } void -ia32(void) +ia32a20enable(BOOL enable) { - int rv; - - rv = sigsetjmp(exec_1step_jmpbuf, 1); - switch (rv) { - case 0: - 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); +#if (CPU_FAMILY == 3) + CPU_ADRSMASK = (enable)?0x00ffffff:0x00ffffff; +#else + CPU_ADRSMASK = (enable)?0xffffffff:0x00ffffff; +#endif } void -ia32withtrap(void) +ia32(void) { int rv; @@ -126,53 +115,46 @@ ia32withtrap(void) break; case 1: - VERBOSE(("ia32withtrap: return from exception")); + VERBOSE(("ia32: return from exception")); break; case 2: - VERBOSE(("ia32withtrap: return from panic")); + VERBOSE(("ia32: return from panic")); return; default: - VERBOSE(("ia32withtrap: return from unknown cause")); + VERBOSE(("ia32: return from unknown cause")); break; } +#if defined(IA32_SUPPORT_DEBUG_REGISTER) do { exec_1step(); - if (CPU_TRAP) { - ia32_interrupt(1); + if (dmac.working) { + dmax86(); } } 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; - - case 2: - VERBOSE(("ia32withdma: return from panic")); - return; - - default: - VERBOSE(("ia32withdma: return from unknown cause")); - break; +#else + if (CPU_TRAP) { + do { + exec_1step(); + if (CPU_TRAP) { + CPU_DR6 |= CPU_DR6_BS; + INTERRUPT(1, TRUE, FALSE, 0); + } + dmax86(); + } while (CPU_REMCLOCK > 0); + } else if (dmac.working) { + do { + exec_1step(); + dmax86(); + } while (CPU_REMCLOCK > 0); + } else { + do { + exec_1step(); + } while (CPU_REMCLOCK > 0); } - - do { - exec_1step(); - dmap_i286(); - } while (CPU_REMCLOCK > 0); +#endif } void @@ -200,18 +182,32 @@ 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) { + dmax86(); } - dmap_i286(); } while (CPU_REMCLOCK > 0); } void CPUCALL -ia32_interrupt(BYTE 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); + } } @@ -235,7 +231,6 @@ ia32_panic(const char *str, ...) #if defined(IA32_REBOOT_ON_PANIC) VERBOSE(("ia32_panic: reboot")); - pccore_cfgupdate(); pccore_reset(); siglongjmp(exec_1step_jmpbuf, 2); #else @@ -277,12 +272,18 @@ ia32_printf(const char *str, ...) void ia32_bioscall(void) { - DWORD adrs; + UINT32 adrs; if (!CPU_STAT_PM || CPU_STAT_VM86) { - adrs = (CPU_EIP - 1) + CPU_STAT_SREGBASE(CPU_CS_INDEX); +#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); + if (biosfunc(adrs)) { + CPU_PREFETCH_CLEAR(); + } if (!CPU_STAT_PM || CPU_STAT_VM86) { CPU_SET_SEGREG(CPU_ES_INDEX, CPU_ES); CPU_SET_SEGREG(CPU_CS_INDEX, CPU_CS);