--- np2/i386c/ia32/interface.c 2004/03/05 14:17:35 1.14 +++ np2/i386c/ia32/interface.c 2005/02/08 09:57:26 1.22 @@ -1,4 +1,4 @@ -/* $Id: interface.c,v 1.14 2004/03/05 14:17:35 monaka Exp $ */ +/* $Id: interface.c,v 1.22 2005/02/08 09:57:26 yui Exp $ */ /* * Copyright (c) 2002-2003 NONAKA Kimihiro @@ -31,7 +31,9 @@ #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" @@ -58,7 +60,7 @@ 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 @@ -93,35 +95,17 @@ ia32shut(void) } 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; @@ -131,53 +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 @@ -205,18 +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(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); + } } @@ -240,7 +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 @@ -285,9 +275,15 @@ ia32_bioscall(void) UINT32 adrs; 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); + 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);