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| version 1.35, 2012/01/08 11:36:06 | version 1.38, 2012/06/18 14:30:27 |
|---|---|
| Line 147 exception(int num, int error_code) | Line 147 exception(int num, int error_code) |
| VERBOSE(("exception: ---------------------------------------------------------------- end")); | VERBOSE(("exception: ---------------------------------------------------------------- end")); |
| interrupt(num, INTR_TYPE_EXTINTR, errorp, error_code); | interrupt(num, INTR_TYPE_EXCEPTION, errorp, error_code); |
| CPU_STAT_EXCEPTION_COUNTER_CLEAR(); | CPU_STAT_EXCEPTION_COUNTER_CLEAR(); |
| siglongjmp(exec_1step_jmpbuf, 1); | siglongjmp(exec_1step_jmpbuf, 1); |
| } | } |
| Line 220 interrupt(int num, int intrtype, int err | Line 220 interrupt(int num, int intrtype, int err |
| UINT16 new_cs; | UINT16 new_cs; |
| int exc_errcode; | 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(); | CPU_SET_PREV_ESP(); |
| Line 302 interrupt(int num, int intrtype, int err | Line 302 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 */ | /* 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)) { | if ((intrtype == INTR_TYPE_SOFTINTR) && (gsd.dpl < CPU_STAT_CPL)) { |
| VERBOSE(("interrupt: intrtype(%d) && DPL(%d) < CPL(%d)", intrtype, gsd.dpl, CPU_STAT_CPL)); | VERBOSE(("interrupt: intrtype(softint) && DPL(%d) < CPL(%d)", gsd.dpl, CPU_STAT_CPL)); |
| EXCEPTION(GP_EXCEPTION, exc_errcode); | EXCEPTION(GP_EXCEPTION, exc_errcode); |
| } | } |
| Line 382 interrupt_task_gate(const descriptor_t * | Line 382 interrupt_task_gate(const descriptor_t * |
| CPU_SET_PREV_ESP(); | CPU_SET_PREV_ESP(); |
| if (errorp) { | 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 */ | /* out of range */ |
| Line 404 interrupt_intr_or_trap(const descriptor_ | Line 409 interrupt_intr_or_trap(const descriptor_ |
| UINT32 new_ip, new_sp; | UINT32 new_ip, new_sp; |
| UINT32 old_ip, old_sp; | UINT32 old_ip, old_sp; |
| UINT16 old_cs, old_ss, new_ss; | UINT16 old_cs, old_ss, new_ss; |
| BOOL is32bit; | |
| int exc_errcode; | int exc_errcode; |
| int rv; | int rv; |
| Line 466 interrupt_intr_or_trap(const descriptor_ | Line 472 interrupt_intr_or_trap(const descriptor_ |
| EXCEPTION(NP_EXCEPTION, exc_errcode); | EXCEPTION(NP_EXCEPTION, exc_errcode); |
| } | } |
| is32bit = gsdp->type & CPU_SYSDESC_TYPE_32BIT; | |
| if (!SEG_IS_CONFORMING_CODE(&cs_sel.desc) && (cs_sel.desc.dpl < CPU_STAT_CPL)) { | if (!SEG_IS_CONFORMING_CODE(&cs_sel.desc) && (cs_sel.desc.dpl < CPU_STAT_CPL)) { |
| stacksize = errorp ? 12 : 10; | stacksize = errorp ? 12 : 10; |
| if (!CPU_STAT_VM86) { | if (!CPU_STAT_VM86) { |
| Line 480 interrupt_intr_or_trap(const descriptor_ | Line 487 interrupt_intr_or_trap(const descriptor_ |
| } | } |
| stacksize += 8; | stacksize += 8; |
| } | } |
| if (gsdp->type & CPU_SYSDESC_TYPE_32BIT) { | if (is32bit) { |
| stacksize *= 2; | stacksize *= 2; |
| } | } |
| Line 531 interrupt_intr_or_trap(const descriptor_ | Line 538 interrupt_intr_or_trap(const descriptor_ |
| } | } |
| /* check stack room size */ | /* check stack room size */ |
| cpu_stack_push_check(ss_sel.idx, &ss_sel.desc, new_sp, stacksize); | cpu_stack_push_check(ss_sel.idx, &ss_sel.desc, new_sp, stacksize, ss_sel.desc.d); |
| /* out of range */ | /* out of range */ |
| if (new_ip > cs_sel.desc.u.seg.limit) { | if (new_ip > cs_sel.desc.u.seg.limit) { |
| Line 545 interrupt_intr_or_trap(const descriptor_ | Line 552 interrupt_intr_or_trap(const descriptor_ |
| load_cs(cs_sel.selector, &cs_sel.desc, cs_sel.desc.dpl); | load_cs(cs_sel.selector, &cs_sel.desc, cs_sel.desc.dpl); |
| CPU_EIP = new_ip; | CPU_EIP = new_ip; |
| if (gsdp->type & CPU_SYSDESC_TYPE_32BIT) { | if (is32bit) { |
| if (CPU_STAT_VM86) { | if (CPU_STAT_VM86) { |
| PUSH0_32(CPU_GS); | PUSH0_32(CPU_GS); |
| PUSH0_32(CPU_FS); | PUSH0_32(CPU_FS); |
| Line 595 interrupt_intr_or_trap(const descriptor_ | Line 602 interrupt_intr_or_trap(const descriptor_ |
| VERBOSE(("interrupt: INTRA-PRIVILEGE-LEVEL-INTERRUPT")); | VERBOSE(("interrupt: INTRA-PRIVILEGE-LEVEL-INTERRUPT")); |
| stacksize = errorp ? 8 : 6; | stacksize = errorp ? 8 : 6; |
| if (gsdp->type & CPU_SYSDESC_TYPE_32BIT) { | if (is32bit) { |
| stacksize *= 2; | stacksize *= 2; |
| } | } |
| Line 605 interrupt_intr_or_trap(const descriptor_ | Line 612 interrupt_intr_or_trap(const descriptor_ |
| } else { | } else { |
| sp = CPU_SP; | sp = CPU_SP; |
| } | } |
| SS_PUSH_CHECK(sp, stacksize); | /* 17.1 全てのデータ・ディスクリプタの B フラグは、 |
| * エクスパンドダウン・セグメントの上位アドレス範囲の | |
| * 制御も行う。 | |
| */ | |
| SS_PUSH_CHECK1(sp, stacksize, is32bit); | |
| /* out of range */ | /* out of range */ |
| if (new_ip > cs_sel.desc.u.seg.limit) { | if (new_ip > cs_sel.desc.u.seg.limit) { |
| Line 616 interrupt_intr_or_trap(const descriptor_ | Line 627 interrupt_intr_or_trap(const descriptor_ |
| load_cs(cs_sel.selector, &cs_sel.desc, CPU_STAT_CPL); | load_cs(cs_sel.selector, &cs_sel.desc, CPU_STAT_CPL); |
| CPU_EIP = new_ip; | CPU_EIP = new_ip; |
| if (gsdp->type & CPU_SYSDESC_TYPE_32BIT) { | if (is32bit) { |
| PUSH0_32(old_flags); | PUSH0_32(old_flags); |
| PUSH0_32(old_cs); | PUSH0_32(old_cs); |
| PUSH0_32(old_ip); | PUSH0_32(old_ip); |