--- np2/i386c/ia32/exception.c 2012/01/08 07:45:56 1.33 +++ np2/i386c/ia32/exception.c 2012/02/07 09:30:05 1.37 @@ -64,6 +64,10 @@ static const int dftable[4][4] = { void CPUCALL exception(int num, int error_code) { +#if defined(DEBUG) + extern int cpu_debug_rep_cont; + extern CPU_REGS cpu_debug_rep_regs; +#endif int errorp = 0; __ASSERT((unsigned int)num < EXCEPTION_NUM); @@ -76,6 +80,13 @@ exception(int num, int error_code) VERBOSE(("exception: -------------------------------------------------------------- start")); VERBOSE(("exception: %s, error_code = %x at %04x:%08x", exception_str[num], error_code, CPU_CS, CPU_PREV_EIP)); VERBOSE(("%s", cpu_reg2str())); + VERBOSE(("code: %dbit(%dbit), address: %dbit(%dbit)", CPU_INST_OP32 ? 32 : 16, CPU_STATSAVE.cpu_inst_default.op_32 ? 32 : 16, CPU_INST_AS32 ? 32 : 16, CPU_STATSAVE.cpu_inst_default.as_32 ? 32 : 16)); +#if defined(DEBUG) + if (cpu_debug_rep_cont) { + VERBOSE(("rep: original regs: ecx=%08x, esi=%08x, edi=%08x", cpu_debug_rep_regs.reg[CPU_ECX_INDEX].d, cpu_debug_rep_regs.reg[CPU_ESI_INDEX].d, cpu_debug_rep_regs.reg[CPU_EDI_INDEX].d)); + } + VERBOSE(("%s", cpu_disasm2str(CPU_PREV_EIP))); +#endif CPU_STAT_EXCEPTION_COUNTER_INC(); if ((CPU_STAT_EXCEPTION_COUNTER >= 3) @@ -136,14 +147,7 @@ exception(int num, int error_code) VERBOSE(("exception: ---------------------------------------------------------------- end")); - interrupt(num, INTR_TYPE_EXTINTR, errorp, error_code); -#if defined(IA32_SUPPORT_DEBUG_REGISTER) - if (num != BP_EXCEPTION) { - if (CPU_INST_OP32) { - set_eflags(REAL_EFLAGREG|RF_FLAG, RF_FLAG); - } - } -#endif + interrupt(num, INTR_TYPE_EXCEPTION, errorp, error_code); CPU_STAT_EXCEPTION_COUNTER_CLEAR(); siglongjmp(exec_1step_jmpbuf, 1); } @@ -216,7 +220,7 @@ interrupt(int num, int intrtype, int err UINT16 new_cs; int exc_errcode; - VERBOSE(("interrupt: num = 0x%02x, intrtype = %s, errorp = %s, error_code = %08x", num, intrtype ? "on" : "off", errorp ? "on" : "off", error_code)); + VERBOSE(("interrupt: num = 0x%02x, intrtype = %s, errorp = %s, error_code = %08x", num, (intrtype == INTR_TYPE_EXTINTR) ? "external" : (intrtype == INTR_TYPE_EXCEPTION ? "exception" : "softint"), errorp ? "on" : "off", error_code)); CPU_SET_PREV_ESP(); @@ -298,8 +302,8 @@ interrupt(int num, int intrtype, int err } /* 5.10.1.1. 例外/割り込みハンドラ・プロシージャの保護 */ - if ((intrtype != INTR_TYPE_EXTINTR) && (gsd.dpl < CPU_STAT_CPL)) { - VERBOSE(("interrupt: intrtype(%d) && DPL(%d) < CPL(%d)", intrtype, gsd.dpl, CPU_STAT_CPL)); + if ((intrtype == INTR_TYPE_SOFTINTR) && (gsd.dpl < CPU_STAT_CPL)) { + VERBOSE(("interrupt: intrtype(softint) && DPL(%d) < CPL(%d)", gsd.dpl, CPU_STAT_CPL)); EXCEPTION(GP_EXCEPTION, exc_errcode); } @@ -378,7 +382,12 @@ interrupt_task_gate(const descriptor_t * CPU_SET_PREV_ESP(); if (errorp) { - XPUSH0(error_code); + VERBOSE(("interrupt: push error code (%08x)", error_code)); + if (task_sel.desc.type == CPU_SYSDESC_TYPE_TSS_32) { + PUSH0_32(error_code); + } else { + PUSH0_16(error_code); + } } /* out of range */