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| version 1.32, 2012/01/08 07:48:22 | version 1.35, 2012/02/07 08:01:03 |
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| Line 69 load_tr(UINT16 selector) | Line 69 load_tr(UINT16 selector) |
| { | { |
| selector_t task_sel; | selector_t task_sel; |
| int rv; | int rv; |
| #if defined(IA32_SUPPORT_DEBUG_REGISTER) | |
| int i; | |
| #endif | |
| UINT16 iobase; | UINT16 iobase; |
| rv = parse_selector(&task_sel, selector); | rv = parse_selector(&task_sel, selector); |
| Line 118 load_tr(UINT16 selector) | Line 115 load_tr(UINT16 selector) |
| /* I/O deny bitmap */ | /* I/O deny bitmap */ |
| CPU_STAT_IOLIMIT = 0; | CPU_STAT_IOLIMIT = 0; |
| if (CPU_TR_DESC.type == CPU_SYSDESC_TYPE_TSS_BUSY_32) { | if (CPU_TR_DESC.type == CPU_SYSDESC_TYPE_TSS_BUSY_32) { |
| if (iobase != 0 && iobase < CPU_TR_DESC.u.seg.limit) { | if (iobase < CPU_TR_LIMIT) { |
| CPU_STAT_IOLIMIT = (UINT16)(CPU_TR_DESC.u.seg.limit - iobase); | CPU_STAT_IOLIMIT = (UINT16)(CPU_TR_LIMIT - iobase); |
| CPU_STAT_IOADDR = CPU_TR_DESC.u.seg.segbase + iobase; | CPU_STAT_IOADDR = CPU_TR_BASE + iobase; |
| VERBOSE(("load_tr: enable ioport control: iobase=0x%04x, base=0x%08x, limit=0x%08x", iobase, CPU_STAT_IOADDR, CPU_STAT_IOLIMIT)); | |
| } | } |
| } | } |
| if (CPU_STAT_IOLIMIT == 0) { | |
| #if defined(IA32_SUPPORT_DEBUG_REGISTER) | VERBOSE(("load_tr: disable ioport control.")); |
| /* clear local break point flags */ | |
| CPU_DR7 &= ~(CPU_DR7_L(0)|CPU_DR7_L(1)|CPU_DR7_L(2)|CPU_DR7_L(3)|CPU_DR7_LE); | |
| CPU_STAT_BP = 0; | |
| for (i = 0; i < CPU_DEBUG_REG_INDEX_NUM; i++) { | |
| if (CPU_DR7 & CPU_DR7_G(i)) { | |
| CPU_STAT_BP |= (1 << i); | |
| } | |
| } | } |
| #endif | |
| } | } |
| void CPUCALL | void CPUCALL |
| Line 245 task_switch(selector_t *task_sel, task_s | Line 235 task_switch(selector_t *task_sel, task_s |
| VERBOSE(("task_switch: %dbit task switch", task16 ? 16 : 32)); | VERBOSE(("task_switch: %dbit task switch", task16 ? 16 : 32)); |
| #if defined(MORE_DEBUG) | #if defined(MORE_DEBUG) |
| { | VERBOSE(("task_switch: new task")); |
| UINT32 v; | for (i = 0; i < task_sel->desc.u.seg.limit; i += 4) { |
| VERBOSE(("task_switch: 0x%08x: %08x", task_base + i, | |
| VERBOSE(("task_switch: new task")); | cpu_memoryread_d(task_paddr + i))); |
| for (i = 0; i < task_sel->desc.u.seg.limit; i += 4) { | |
| v = cpu_memoryread_d(task_paddr + i); | |
| VERBOSE(("task_switch: 0x%08x: %08x", task_base + i,v)); | |
| } | |
| } | } |
| #endif | #endif |
| Line 342 task_switch(selector_t *task_sel, task_s | Line 328 task_switch(selector_t *task_sel, task_s |
| break; | break; |
| default: | default: |
| ia32_panic("task_switch(): task switch type is invalid"); | ia32_panic("task_switch: task switch type is invalid"); |
| break; | break; |
| } | } |
| Line 351 task_switch(selector_t *task_sel, task_s | Line 337 task_switch(selector_t *task_sel, task_s |
| cpu_memorywrite_d(cur_paddr + 32, CPU_EIP); | cpu_memorywrite_d(cur_paddr + 32, CPU_EIP); |
| cpu_memorywrite_d(cur_paddr + 36, old_flags); | cpu_memorywrite_d(cur_paddr + 36, old_flags); |
| for (i = 0; i < CPU_REG_NUM; i++) { | for (i = 0; i < CPU_REG_NUM; i++) { |
| cpu_memorywrite_d(cur_paddr + 40 + i * 4, CPU_REGS_DWORD(i)); | cpu_memorywrite_d(cur_paddr + 40 + i * 4, |
| CPU_REGS_DWORD(i)); | |
| } | } |
| for (i = 0; i < CPU_SEGREG_NUM; i++) { | for (i = 0; i < CPU_SEGREG_NUM; i++) { |
| cpu_memorywrite_w(cur_paddr + 72 + i * 4, CPU_REGS_SREG(i)); | cpu_memorywrite_w(cur_paddr + 72 + i * 4, |
| CPU_REGS_SREG(i)); | |
| } | } |
| } else { | } else { |
| cpu_memorywrite_w(cur_paddr + 14, CPU_IP); | cpu_memorywrite_w(cur_paddr + 14, CPU_IP); |
| cpu_memorywrite_w(cur_paddr + 16, (UINT16)old_flags); | cpu_memorywrite_w(cur_paddr + 16, (UINT16)old_flags); |
| for (i = 0; i < CPU_REG_NUM; i++) { | for (i = 0; i < CPU_REG_NUM; i++) { |
| cpu_memorywrite_w(cur_paddr + 18 + i * 2, CPU_REGS_WORD(i)); | cpu_memorywrite_w(cur_paddr + 18 + i * 2, |
| CPU_REGS_WORD(i)); | |
| } | } |
| for (i = 0; i < CPU_SEGREG286_NUM; i++) { | for (i = 0; i < CPU_SEGREG286_NUM; i++) { |
| cpu_memorywrite_w(cur_paddr + 34 + i * 2, CPU_REGS_SREG(i)); | cpu_memorywrite_w(cur_paddr + 34 + i * 2, |
| CPU_REGS_SREG(i)); | |
| } | } |
| } | } |
| Line 381 task_switch(selector_t *task_sel, task_s | Line 371 task_switch(selector_t *task_sel, task_s |
| break; | break; |
| default: | default: |
| ia32_panic("task_switch(): task switch type is invalid"); | ia32_panic("task_switch: task switch type is invalid"); |
| break; | break; |
| } | } |
| #if defined(MORE_DEBUG) | #if defined(MORE_DEBUG) |
| { | VERBOSE(("task_switch: current task")); |
| UINT32 v; | for (i = 0; i < CPU_TR_LIMIT; i += 4) { |
| v = cpu_memoryread_d(cur_paddr + i); | |
| VERBOSE(("task_switch: current task")); | VERBOSE(("task_switch: 0x%08x: %08x", cur_base + i, |
| for (i = 0; i < CPU_TR_LIMIT; i += 4) { | cpu_memoryread_d(cur_paddr + i))); |
| v = cpu_memoryread_d(cur_paddr + i); | |
| VERBOSE(("task_switch: 0x%08x: %08x", cur_base + i, v)); | |
| } | |
| } | } |
| #endif | #endif |
| Line 423 task_switch(selector_t *task_sel, task_s | Line 410 task_switch(selector_t *task_sel, task_s |
| break; | break; |
| default: | default: |
| ia32_panic("task_switch(): task switch type is invalid"); | ia32_panic("task_switch: task switch type is invalid"); |
| break; | break; |
| } | } |
| Line 467 task_switch(selector_t *task_sel, task_s | Line 454 task_switch(selector_t *task_sel, task_s |
| CPU_STAT_IOLIMIT = (UINT16)(CPU_TR_DESC.u.seg.limit - iobase); | CPU_STAT_IOLIMIT = (UINT16)(CPU_TR_DESC.u.seg.limit - iobase); |
| CPU_STAT_IOADDR = task_base + iobase; | CPU_STAT_IOADDR = task_base + iobase; |
| } | } |
| VERBOSE(("task_switch: ioaddr = %08x, limit = %08x", CPU_STAT_IOADDR, CPU_STAT_IOLIMIT)); | VERBOSE(("task_switch: ioaddr = %08x, limit = %08x", CPU_STAT_IOADDR, |
| CPU_STAT_IOLIMIT)); | |
| #if defined(IA32_SUPPORT_DEBUG_REGISTER) | |
| /* check resume flag */ | |
| if (CPU_EFLAG & RF_FLAG) { | |
| CPU_STAT_BP_EVENT |= CPU_STAT_BP_EVENT_RF; | |
| } | |
| /* clear local break point flags */ | |
| CPU_DR7 &= ~(CPU_DR7_L(0)|CPU_DR7_L(1)|CPU_DR7_L(2)|CPU_DR7_L(3)|CPU_DR7_LE); | |
| CPU_STAT_BP = 0; | |
| for (i = 0; i < CPU_DEBUG_REG_INDEX_NUM; i++) { | |
| if (CPU_DR7 & CPU_DR7_G(i)) { | |
| CPU_STAT_BP |= (1 << i); | |
| } | |
| } | |
| #endif | |
| /* set new EFLAGS */ | /* set new EFLAGS */ |
| set_eflags(new_flags, I_FLAG|IOPL_FLAG|RF_FLAG|VM_FLAG|VIF_FLAG|VIP_FLAG); | set_eflags(new_flags, I_FLAG|IOPL_FLAG|RF_FLAG|VM_FLAG|VIF_FLAG|VIP_FLAG); |