diff options
Diffstat (limited to 'target/i386/cpu-dump.c')
| -rw-r--r-- | target/i386/cpu-dump.c | 537 |
1 files changed, 537 insertions, 0 deletions
diff --git a/target/i386/cpu-dump.c b/target/i386/cpu-dump.c new file mode 100644 index 0000000000..aac21f1f60 --- /dev/null +++ b/target/i386/cpu-dump.c @@ -0,0 +1,537 @@ +/* + * i386 CPU dump to FILE + * + * Copyright (c) 2003 Fabrice Bellard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "qemu/osdep.h" +#include "cpu.h" +#include "qemu/qemu-print.h" +#ifndef CONFIG_USER_ONLY +#include "hw/i386/apic_internal.h" +#endif + +/***********************************************************/ +/* x86 debug */ + +static const char *cc_op_str[CC_OP_NB] = { + "DYNAMIC", + "EFLAGS", + + "MULB", + "MULW", + "MULL", + "MULQ", + + "ADDB", + "ADDW", + "ADDL", + "ADDQ", + + "ADCB", + "ADCW", + "ADCL", + "ADCQ", + + "SUBB", + "SUBW", + "SUBL", + "SUBQ", + + "SBBB", + "SBBW", + "SBBL", + "SBBQ", + + "LOGICB", + "LOGICW", + "LOGICL", + "LOGICQ", + + "INCB", + "INCW", + "INCL", + "INCQ", + + "DECB", + "DECW", + "DECL", + "DECQ", + + "SHLB", + "SHLW", + "SHLL", + "SHLQ", + + "SARB", + "SARW", + "SARL", + "SARQ", + + "BMILGB", + "BMILGW", + "BMILGL", + "BMILGQ", + + "ADCX", + "ADOX", + "ADCOX", + + "CLR", +}; + +static void +cpu_x86_dump_seg_cache(CPUX86State *env, FILE *f, + const char *name, struct SegmentCache *sc) +{ +#ifdef TARGET_X86_64 + if (env->hflags & HF_CS64_MASK) { + qemu_fprintf(f, "%-3s=%04x %016" PRIx64 " %08x %08x", name, + sc->selector, sc->base, sc->limit, + sc->flags & 0x00ffff00); + } else +#endif + { + qemu_fprintf(f, "%-3s=%04x %08x %08x %08x", name, sc->selector, + (uint32_t)sc->base, sc->limit, + sc->flags & 0x00ffff00); + } + + if (!(env->hflags & HF_PE_MASK) || !(sc->flags & DESC_P_MASK)) + goto done; + + qemu_fprintf(f, " DPL=%d ", + (sc->flags & DESC_DPL_MASK) >> DESC_DPL_SHIFT); + if (sc->flags & DESC_S_MASK) { + if (sc->flags & DESC_CS_MASK) { + qemu_fprintf(f, (sc->flags & DESC_L_MASK) ? "CS64" : + ((sc->flags & DESC_B_MASK) ? "CS32" : "CS16")); + qemu_fprintf(f, " [%c%c", (sc->flags & DESC_C_MASK) ? 'C' : '-', + (sc->flags & DESC_R_MASK) ? 'R' : '-'); + } else { + qemu_fprintf(f, (sc->flags & DESC_B_MASK + || env->hflags & HF_LMA_MASK) + ? "DS " : "DS16"); + qemu_fprintf(f, " [%c%c", (sc->flags & DESC_E_MASK) ? 'E' : '-', + (sc->flags & DESC_W_MASK) ? 'W' : '-'); + } + qemu_fprintf(f, "%c]", (sc->flags & DESC_A_MASK) ? 'A' : '-'); + } else { + static const char *sys_type_name[2][16] = { + { /* 32 bit mode */ + "Reserved", "TSS16-avl", "LDT", "TSS16-busy", + "CallGate16", "TaskGate", "IntGate16", "TrapGate16", + "Reserved", "TSS32-avl", "Reserved", "TSS32-busy", + "CallGate32", "Reserved", "IntGate32", "TrapGate32" + }, + { /* 64 bit mode */ + "<hiword>", "Reserved", "LDT", "Reserved", "Reserved", + "Reserved", "Reserved", "Reserved", "Reserved", + "TSS64-avl", "Reserved", "TSS64-busy", "CallGate64", + "Reserved", "IntGate64", "TrapGate64" + } + }; + qemu_fprintf(f, "%s", + sys_type_name[(env->hflags & HF_LMA_MASK) ? 1 : 0] + [(sc->flags & DESC_TYPE_MASK) >> DESC_TYPE_SHIFT]); + } +done: + qemu_fprintf(f, "\n"); +} + +#ifndef CONFIG_USER_ONLY + +/* ARRAY_SIZE check is not required because + * DeliveryMode(dm) has a size of 3 bit. + */ +static inline const char *dm2str(uint32_t dm) +{ + static const char *str[] = { + "Fixed", + "...", + "SMI", + "...", + "NMI", + "INIT", + "...", + "ExtINT" + }; + return str[dm]; +} + +static void dump_apic_lvt(const char *name, uint32_t lvt, bool is_timer) +{ + uint32_t dm = (lvt & APIC_LVT_DELIV_MOD) >> APIC_LVT_DELIV_MOD_SHIFT; + qemu_printf("%s\t 0x%08x %s %-5s %-6s %-7s %-12s %-6s", + name, lvt, + lvt & APIC_LVT_INT_POLARITY ? "active-lo" : "active-hi", + lvt & APIC_LVT_LEVEL_TRIGGER ? "level" : "edge", + lvt & APIC_LVT_MASKED ? "masked" : "", + lvt & APIC_LVT_DELIV_STS ? "pending" : "", + !is_timer ? + "" : lvt & APIC_LVT_TIMER_PERIODIC ? + "periodic" : lvt & APIC_LVT_TIMER_TSCDEADLINE ? + "tsc-deadline" : "one-shot", + dm2str(dm)); + if (dm != APIC_DM_NMI) { + qemu_printf(" (vec %u)\n", lvt & APIC_VECTOR_MASK); + } else { + qemu_printf("\n"); + } +} + +/* ARRAY_SIZE check is not required because + * destination shorthand has a size of 2 bit. + */ +static inline const char *shorthand2str(uint32_t shorthand) +{ + const char *str[] = { + "no-shorthand", "self", "all-self", "all" + }; + return str[shorthand]; +} + +static inline uint8_t divider_conf(uint32_t divide_conf) +{ + uint8_t divide_val = ((divide_conf & 0x8) >> 1) | (divide_conf & 0x3); + + return divide_val == 7 ? 1 : 2 << divide_val; +} + +static inline void mask2str(char *str, uint32_t val, uint8_t size) +{ + while (size--) { + *str++ = (val >> size) & 1 ? '1' : '0'; + } + *str = 0; +} + +#define MAX_LOGICAL_APIC_ID_MASK_SIZE 16 + +static void dump_apic_icr(APICCommonState *s, CPUX86State *env) +{ + uint32_t icr = s->icr[0], icr2 = s->icr[1]; + uint8_t dest_shorthand = \ + (icr & APIC_ICR_DEST_SHORT) >> APIC_ICR_DEST_SHORT_SHIFT; + bool logical_mod = icr & APIC_ICR_DEST_MOD; + char apic_id_str[MAX_LOGICAL_APIC_ID_MASK_SIZE + 1]; + uint32_t dest_field; + bool x2apic; + + qemu_printf("ICR\t 0x%08x %s %s %s %s\n", + icr, + logical_mod ? "logical" : "physical", + icr & APIC_ICR_TRIGGER_MOD ? "level" : "edge", + icr & APIC_ICR_LEVEL ? "assert" : "de-assert", + shorthand2str(dest_shorthand)); + + qemu_printf("ICR2\t 0x%08x", icr2); + if (dest_shorthand != 0) { + qemu_printf("\n"); + return; + } + x2apic = env->features[FEAT_1_ECX] & CPUID_EXT_X2APIC; + dest_field = x2apic ? icr2 : icr2 >> APIC_ICR_DEST_SHIFT; + + if (!logical_mod) { + if (x2apic) { + qemu_printf(" cpu %u (X2APIC ID)\n", dest_field); + } else { + qemu_printf(" cpu %u (APIC ID)\n", + dest_field & APIC_LOGDEST_XAPIC_ID); + } + return; + } + + if (s->dest_mode == 0xf) { /* flat mode */ + mask2str(apic_id_str, icr2 >> APIC_ICR_DEST_SHIFT, 8); + qemu_printf(" mask %s (APIC ID)\n", apic_id_str); + } else if (s->dest_mode == 0) { /* cluster mode */ + if (x2apic) { + mask2str(apic_id_str, dest_field & APIC_LOGDEST_X2APIC_ID, 16); + qemu_printf(" cluster %u mask %s (X2APIC ID)\n", + dest_field >> APIC_LOGDEST_X2APIC_SHIFT, apic_id_str); + } else { + mask2str(apic_id_str, dest_field & APIC_LOGDEST_XAPIC_ID, 4); + qemu_printf(" cluster %u mask %s (APIC ID)\n", + dest_field >> APIC_LOGDEST_XAPIC_SHIFT, apic_id_str); + } + } +} + +static void dump_apic_interrupt(const char *name, uint32_t *ireg_tab, + uint32_t *tmr_tab) +{ + int i, empty = true; + + qemu_printf("%s\t ", name); + for (i = 0; i < 256; i++) { + if (apic_get_bit(ireg_tab, i)) { + qemu_printf("%u%s ", i, + apic_get_bit(tmr_tab, i) ? "(level)" : ""); + empty = false; + } + } + qemu_printf("%s\n", empty ? "(none)" : ""); +} + +void x86_cpu_dump_local_apic_state(CPUState *cs, int flags) +{ + X86CPU *cpu = X86_CPU(cs); + APICCommonState *s = APIC_COMMON(cpu->apic_state); + if (!s) { + qemu_printf("local apic state not available\n"); + return; + } + uint32_t *lvt = s->lvt; + + qemu_printf("dumping local APIC state for CPU %-2u\n\n", + CPU(cpu)->cpu_index); + dump_apic_lvt("LVT0", lvt[APIC_LVT_LINT0], false); + dump_apic_lvt("LVT1", lvt[APIC_LVT_LINT1], false); + dump_apic_lvt("LVTPC", lvt[APIC_LVT_PERFORM], false); + dump_apic_lvt("LVTERR", lvt[APIC_LVT_ERROR], false); + dump_apic_lvt("LVTTHMR", lvt[APIC_LVT_THERMAL], false); + dump_apic_lvt("LVTT", lvt[APIC_LVT_TIMER], true); + + qemu_printf("Timer\t DCR=0x%x (divide by %u) initial_count = %u" + " current_count = %u\n", + s->divide_conf & APIC_DCR_MASK, + divider_conf(s->divide_conf), + s->initial_count, apic_get_current_count(s)); + + qemu_printf("SPIV\t 0x%08x APIC %s, focus=%s, spurious vec %u\n", + s->spurious_vec, + s->spurious_vec & APIC_SPURIO_ENABLED ? "enabled" : "disabled", + s->spurious_vec & APIC_SPURIO_FOCUS ? "on" : "off", + s->spurious_vec & APIC_VECTOR_MASK); + + dump_apic_icr(s, &cpu->env); + + qemu_printf("ESR\t 0x%08x\n", s->esr); + + dump_apic_interrupt("ISR", s->isr, s->tmr); + dump_apic_interrupt("IRR", s->irr, s->tmr); + + qemu_printf("\nAPR 0x%02x TPR 0x%02x DFR 0x%02x LDR 0x%02x", + s->arb_id, s->tpr, s->dest_mode, s->log_dest); + if (s->dest_mode == 0) { + qemu_printf("(cluster %u: id %u)", + s->log_dest >> APIC_LOGDEST_XAPIC_SHIFT, + s->log_dest & APIC_LOGDEST_XAPIC_ID); + } + qemu_printf(" PPR 0x%02x\n", apic_get_ppr(s)); +} +#else +void x86_cpu_dump_local_apic_state(CPUState *cs, int flags) +{ +} +#endif /* !CONFIG_USER_ONLY */ + +#define DUMP_CODE_BYTES_TOTAL 50 +#define DUMP_CODE_BYTES_BACKWARD 20 + +void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags) +{ + X86CPU *cpu = X86_CPU(cs); + CPUX86State *env = &cpu->env; + int eflags, i, nb; + char cc_op_name[32]; + static const char *seg_name[6] = { "ES", "CS", "SS", "DS", "FS", "GS" }; + + eflags = cpu_compute_eflags(env); +#ifdef TARGET_X86_64 + if (env->hflags & HF_CS64_MASK) { + qemu_fprintf(f, "RAX=%016" PRIx64 " RBX=%016" PRIx64 " RCX=%016" PRIx64 " RDX=%016" PRIx64 "\n" + "RSI=%016" PRIx64 " RDI=%016" PRIx64 " RBP=%016" PRIx64 " RSP=%016" PRIx64 "\n" + "R8 =%016" PRIx64 " R9 =%016" PRIx64 " R10=%016" PRIx64 " R11=%016" PRIx64 "\n" + "R12=%016" PRIx64 " R13=%016" PRIx64 " R14=%016" PRIx64 " R15=%016" PRIx64 "\n" + "RIP=%016" PRIx64 " RFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d SMM=%d HLT=%d\n", + env->regs[R_EAX], + env->regs[R_EBX], + env->regs[R_ECX], + env->regs[R_EDX], + env->regs[R_ESI], + env->regs[R_EDI], + env->regs[R_EBP], + env->regs[R_ESP], + env->regs[8], + env->regs[9], + env->regs[10], + env->regs[11], + env->regs[12], + env->regs[13], + env->regs[14], + env->regs[15], + env->eip, eflags, + eflags & DF_MASK ? 'D' : '-', + eflags & CC_O ? 'O' : '-', + eflags & CC_S ? 'S' : '-', + eflags & CC_Z ? 'Z' : '-', + eflags & CC_A ? 'A' : '-', + eflags & CC_P ? 'P' : '-', + eflags & CC_C ? 'C' : '-', + env->hflags & HF_CPL_MASK, + (env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1, + (env->a20_mask >> 20) & 1, + (env->hflags >> HF_SMM_SHIFT) & 1, + cs->halted); + } else +#endif + { + qemu_fprintf(f, "EAX=%08x EBX=%08x ECX=%08x EDX=%08x\n" + "ESI=%08x EDI=%08x EBP=%08x ESP=%08x\n" + "EIP=%08x EFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d SMM=%d HLT=%d\n", + (uint32_t)env->regs[R_EAX], + (uint32_t)env->regs[R_EBX], + (uint32_t)env->regs[R_ECX], + (uint32_t)env->regs[R_EDX], + (uint32_t)env->regs[R_ESI], + (uint32_t)env->regs[R_EDI], + (uint32_t)env->regs[R_EBP], + (uint32_t)env->regs[R_ESP], + (uint32_t)env->eip, eflags, + eflags & DF_MASK ? 'D' : '-', + eflags & CC_O ? 'O' : '-', + eflags & CC_S ? 'S' : '-', + eflags & CC_Z ? 'Z' : '-', + eflags & CC_A ? 'A' : '-', + eflags & CC_P ? 'P' : '-', + eflags & CC_C ? 'C' : '-', + env->hflags & HF_CPL_MASK, + (env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1, + (env->a20_mask >> 20) & 1, + (env->hflags >> HF_SMM_SHIFT) & 1, + cs->halted); + } + + for(i = 0; i < 6; i++) { + cpu_x86_dump_seg_cache(env, f, seg_name[i], &env->segs[i]); + } + cpu_x86_dump_seg_cache(env, f, "LDT", &env->ldt); + cpu_x86_dump_seg_cache(env, f, "TR", &env->tr); + +#ifdef TARGET_X86_64 + if (env->hflags & HF_LMA_MASK) { + qemu_fprintf(f, "GDT= %016" PRIx64 " %08x\n", + env->gdt.base, env->gdt.limit); + qemu_fprintf(f, "IDT= %016" PRIx64 " %08x\n", + env->idt.base, env->idt.limit); + qemu_fprintf(f, "CR0=%08x CR2=%016" PRIx64 " CR3=%016" PRIx64 " CR4=%08x\n", + (uint32_t)env->cr[0], + env->cr[2], + env->cr[3], + (uint32_t)env->cr[4]); + for(i = 0; i < 4; i++) + qemu_fprintf(f, "DR%d=%016" PRIx64 " ", i, env->dr[i]); + qemu_fprintf(f, "\nDR6=%016" PRIx64 " DR7=%016" PRIx64 "\n", + env->dr[6], env->dr[7]); + } else +#endif + { + qemu_fprintf(f, "GDT= %08x %08x\n", + (uint32_t)env->gdt.base, env->gdt.limit); + qemu_fprintf(f, "IDT= %08x %08x\n", + (uint32_t)env->idt.base, env->idt.limit); + qemu_fprintf(f, "CR0=%08x CR2=%08x CR3=%08x CR4=%08x\n", + (uint32_t)env->cr[0], + (uint32_t)env->cr[2], + (uint32_t)env->cr[3], + (uint32_t)env->cr[4]); + for(i = 0; i < 4; i++) { + qemu_fprintf(f, "DR%d=" TARGET_FMT_lx " ", i, env->dr[i]); + } + qemu_fprintf(f, "\nDR6=" TARGET_FMT_lx " DR7=" TARGET_FMT_lx "\n", + env->dr[6], env->dr[7]); + } + if (flags & CPU_DUMP_CCOP) { + if ((unsigned)env->cc_op < CC_OP_NB) + snprintf(cc_op_name, sizeof(cc_op_name), "%s", cc_op_str[env->cc_op]); + else + snprintf(cc_op_name, sizeof(cc_op_name), "[%d]", env->cc_op); +#ifdef TARGET_X86_64 + if (env->hflags & HF_CS64_MASK) { + qemu_fprintf(f, "CCS=%016" PRIx64 " CCD=%016" PRIx64 " CCO=%-8s\n", + env->cc_src, env->cc_dst, + cc_op_name); + } else +#endif + { + qemu_fprintf(f, "CCS=%08x CCD=%08x CCO=%-8s\n", + (uint32_t)env->cc_src, (uint32_t)env->cc_dst, + cc_op_name); + } + } + qemu_fprintf(f, "EFER=%016" PRIx64 "\n", env->efer); + if (flags & CPU_DUMP_FPU) { + int fptag; + fptag = 0; + for(i = 0; i < 8; i++) { + fptag |= ((!env->fptags[i]) << i); + } + update_mxcsr_from_sse_status(env); + qemu_fprintf(f, "FCW=%04x FSW=%04x [ST=%d] FTW=%02x MXCSR=%08x\n", + env->fpuc, + (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11, + env->fpstt, + fptag, + env->mxcsr); + for(i=0;i<8;i++) { + CPU_LDoubleU u; + u.d = env->fpregs[i].d; + qemu_fprintf(f, "FPR%d=%016" PRIx64 " %04x", + i, u.l.lower, u.l.upper); + if ((i & 1) == 1) + qemu_fprintf(f, "\n"); + else + qemu_fprintf(f, " "); + } + if (env->hflags & HF_CS64_MASK) + nb = 16; + else + nb = 8; + for(i=0;i<nb;i++) { + qemu_fprintf(f, "XMM%02d=%08x%08x%08x%08x", + i, + env->xmm_regs[i].ZMM_L(3), + env->xmm_regs[i].ZMM_L(2), + env->xmm_regs[i].ZMM_L(1), + env->xmm_regs[i].ZMM_L(0)); + if ((i & 1) == 1) + qemu_fprintf(f, "\n"); + else + qemu_fprintf(f, " "); + } + } + if (flags & CPU_DUMP_CODE) { + target_ulong base = env->segs[R_CS].base + env->eip; + target_ulong offs = MIN(env->eip, DUMP_CODE_BYTES_BACKWARD); + uint8_t code; + char codestr[3]; + + qemu_fprintf(f, "Code="); + for (i = 0; i < DUMP_CODE_BYTES_TOTAL; i++) { + if (cpu_memory_rw_debug(cs, base - offs + i, &code, 1, 0) == 0) { + snprintf(codestr, sizeof(codestr), "%02x", code); + } else { + snprintf(codestr, sizeof(codestr), "??"); + } + qemu_fprintf(f, "%s%s%s%s", i > 0 ? " " : "", + i == offs ? "<" : "", codestr, i == offs ? ">" : ""); + } + qemu_fprintf(f, "\n"); + } +} |