--- np2/i386c/ia32/interface.c 2005/03/12 12:32:54 1.24 +++ np2/i386c/ia32/interface.c 2011/01/15 18:36:12 1.29 @@ -1,5 +1,3 @@ -/* $Id: interface.c,v 1.24 2005/03/12 12:32:54 monaka Exp $ */ - /* * Copyright (c) 2002-2003 NONAKA Kimihiro * All rights reserved. @@ -36,9 +34,6 @@ #include "iocore.h" #include "dmax86.h" #include "bios.h" -#if defined(IA32_REBOOT_ON_PANIC) -#include "pccore.h" -#endif void @@ -58,23 +53,23 @@ ia32_initreg(void) CPU_CR0 |= CPU_CR0_ET; #endif CPU_MXCSR = 0x1f80; + + CPU_GDTR_BASE = 0x0; CPU_GDTR_LIMIT = 0xffff; + CPU_IDTR_BASE = 0x0; CPU_IDTR_LIMIT = 0xffff; + CPU_LDTR_BASE = 0x0; + CPU_LDTR_LIMIT = 0xffff; + CPU_TR_BASE = 0x0; + CPU_TR_LIMIT = 0xffff; -#if CPU_FAMILY == 4 CPU_STATSAVE.cpu_regs.dr[6] = 0xffff1ff0; -#elif CPU_FAMILY >= 5 - CPU_STATSAVE.cpu_regs.dr[6] = 0xffff0ff0; - CPU_STATSAVE.cpu_regs.dr[7] = 0x00000400; -#endif for (i = 0; i < CPU_SEGREG_NUM; ++i) { - CPU_STAT_SREG_INIT(i); + segdesc_init(i, 0, &CPU_STAT_SREG(i)); } - CPU_LDTR_LIMIT = 0xffff; - CPU_TR_LIMIT = 0xffff; - - CPU_SET_SEGREG(CPU_CS_INDEX, 0xf000); + LOAD_SEGREG(CPU_CS_INDEX, 0xf000); + CPU_STAT_CS_BASE = 0xffff0000; CPU_EIP = 0xfff0; CPU_ADRSMASK = 0x000fffff; @@ -103,11 +98,8 @@ ia32shut(void) void ia32a20enable(BOOL enable) { -#if (CPU_FAMILY == 3) - CPU_ADRSMASK = (enable)?0x00ffffff:0x00ffffff; -#else + CPU_ADRSMASK = (enable)?0xffffffff:0x00ffffff; -#endif } void @@ -146,7 +138,7 @@ ia32(void) exec_1step(); if (CPU_TRAP) { CPU_DR6 |= CPU_DR6_BS; - INTERRUPT(1, TRUE, FALSE, 0); + INTERRUPT(1, INTR_TYPE_EXCEPTION); } dmax86(); } while (CPU_REMCLOCK > 0); @@ -191,7 +183,7 @@ ia32_step(void) #if !defined(IA32_SUPPORT_DEBUG_REGISTER) if (CPU_TRAP) { CPU_DR6 |= CPU_DR6_BS; - INTERRUPT(1, TRUE, FALSE, 0); + INTERRUPT(1, INTR_TYPE_EXCEPTION); } #endif if (dmac.working) { @@ -206,13 +198,13 @@ ia32_interrupt(int vect, int soft) // 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, INTR_TYPE_EXTINTR); + } else { + if (CPU_STAT_PM && CPU_STAT_VM86 && CPU_STAT_IOPL < CPU_IOPL3) { + VERBOSE(("ia32_interrupt: VM86 && IOPL < 3 && INTn")); + EXCEPTION(GP_EXCEPTION, 0); } - INTERRUPT(vect, TRUE, FALSE, 0); + INTERRUPT(vect, INTR_TYPE_SOFTINTR); } } @@ -282,20 +274,18 @@ ia32_bioscall(void) if (!CPU_STAT_PM || CPU_STAT_VM86) { #if 1 - adrs = (CPU_EIP - 1) + ((CPU_REGS_SREG(CPU_CS_INDEX)) << 4); + adrs = CPU_PREV_EIP + (CPU_CS << 4); #else - adrs = (CPU_EIP - 1) + CPU_STAT_CS_BASE; + adrs = CPU_PREV_EIP + CPU_STAT_CS_BASE; #endif if ((adrs >= 0xf8000) && (adrs < 0x100000)) { 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); - CPU_SET_SEGREG(CPU_SS_INDEX, CPU_SS); - CPU_SET_SEGREG(CPU_DS_INDEX, CPU_DS); + /* Nothing to do */ } + LOAD_SEGREG(CPU_ES_INDEX, CPU_ES); + LOAD_SEGREG(CPU_CS_INDEX, CPU_CS); + LOAD_SEGREG(CPU_SS_INDEX, CPU_SS); + LOAD_SEGREG(CPU_DS_INDEX, CPU_DS); } } }