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| version 1.37, 2012/02/07 09:30:05 | version 1.38, 2012/06/18 14:30:27 |
|---|---|
| Line 409 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 471 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 485 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 536 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 550 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 600 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 610 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 621 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); |