xref: /openbmc/qemu/target/i386/cpu-dump.c (revision c20d09eb)
1 /*
2  *  i386 CPU dump to FILE
3  *
4  *  Copyright (c) 2003 Fabrice Bellard
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include "qemu/osdep.h"
21 #include "cpu.h"
22 #include "qemu/qemu-print.h"
23 #ifndef CONFIG_USER_ONLY
24 #include "hw/i386/apic_internal.h"
25 #endif
26 
27 /***********************************************************/
28 /* x86 debug */
29 
30 static const char * const cc_op_str[] = {
31     [CC_OP_DYNAMIC] = "DYNAMIC",
32 
33     [CC_OP_EFLAGS] = "EFLAGS",
34     [CC_OP_ADCX] = "ADCX",
35     [CC_OP_ADOX] = "ADOX",
36     [CC_OP_ADCOX] = "ADCOX",
37 
38     [CC_OP_MULB] = "MULB",
39     [CC_OP_MULW] = "MULW",
40     [CC_OP_MULL] = "MULL",
41     [CC_OP_MULQ] = "MULQ",
42 
43     [CC_OP_ADDB] = "ADDB",
44     [CC_OP_ADDW] = "ADDW",
45     [CC_OP_ADDL] = "ADDL",
46     [CC_OP_ADDQ] = "ADDQ",
47 
48     [CC_OP_ADCB] = "ADCB",
49     [CC_OP_ADCW] = "ADCW",
50     [CC_OP_ADCL] = "ADCL",
51     [CC_OP_ADCQ] = "ADCQ",
52 
53     [CC_OP_SUBB] = "SUBB",
54     [CC_OP_SUBW] = "SUBW",
55     [CC_OP_SUBL] = "SUBL",
56     [CC_OP_SUBQ] = "SUBQ",
57 
58     [CC_OP_SBBB] = "SBBB",
59     [CC_OP_SBBW] = "SBBW",
60     [CC_OP_SBBL] = "SBBL",
61     [CC_OP_SBBQ] = "SBBQ",
62 
63     [CC_OP_LOGICB] = "LOGICB",
64     [CC_OP_LOGICW] = "LOGICW",
65     [CC_OP_LOGICL] = "LOGICL",
66     [CC_OP_LOGICQ] = "LOGICQ",
67 
68     [CC_OP_INCB] = "INCB",
69     [CC_OP_INCW] = "INCW",
70     [CC_OP_INCL] = "INCL",
71     [CC_OP_INCQ] = "INCQ",
72 
73     [CC_OP_DECB] = "DECB",
74     [CC_OP_DECW] = "DECW",
75     [CC_OP_DECL] = "DECL",
76     [CC_OP_DECQ] = "DECQ",
77 
78     [CC_OP_SHLB] = "SHLB",
79     [CC_OP_SHLW] = "SHLW",
80     [CC_OP_SHLL] = "SHLL",
81     [CC_OP_SHLQ] = "SHLQ",
82 
83     [CC_OP_SARB] = "SARB",
84     [CC_OP_SARW] = "SARW",
85     [CC_OP_SARL] = "SARL",
86     [CC_OP_SARQ] = "SARQ",
87 
88     [CC_OP_BMILGB] = "BMILGB",
89     [CC_OP_BMILGW] = "BMILGW",
90     [CC_OP_BMILGL] = "BMILGL",
91     [CC_OP_BMILGQ] = "BMILGQ",
92 
93     [CC_OP_POPCNT] = "POPCNT",
94 };
95 
96 static void
97 cpu_x86_dump_seg_cache(CPUX86State *env, FILE *f,
98                        const char *name, struct SegmentCache *sc)
99 {
100 #ifdef TARGET_X86_64
101     if (env->hflags & HF_CS64_MASK) {
102         qemu_fprintf(f, "%-3s=%04x %016" PRIx64 " %08x %08x", name,
103                      sc->selector, sc->base, sc->limit,
104                      sc->flags & 0x00ffff00);
105     } else
106 #endif
107     {
108         qemu_fprintf(f, "%-3s=%04x %08x %08x %08x", name, sc->selector,
109                      (uint32_t)sc->base, sc->limit,
110                      sc->flags & 0x00ffff00);
111     }
112 
113     if (!(env->hflags & HF_PE_MASK) || !(sc->flags & DESC_P_MASK))
114         goto done;
115 
116     qemu_fprintf(f, " DPL=%d ",
117                  (sc->flags & DESC_DPL_MASK) >> DESC_DPL_SHIFT);
118     if (sc->flags & DESC_S_MASK) {
119         if (sc->flags & DESC_CS_MASK) {
120             qemu_fprintf(f, (sc->flags & DESC_L_MASK) ? "CS64" :
121                          ((sc->flags & DESC_B_MASK) ? "CS32" : "CS16"));
122             qemu_fprintf(f, " [%c%c", (sc->flags & DESC_C_MASK) ? 'C' : '-',
123                          (sc->flags & DESC_R_MASK) ? 'R' : '-');
124         } else {
125             qemu_fprintf(f, (sc->flags & DESC_B_MASK
126                              || env->hflags & HF_LMA_MASK)
127                          ? "DS  " : "DS16");
128             qemu_fprintf(f, " [%c%c", (sc->flags & DESC_E_MASK) ? 'E' : '-',
129                          (sc->flags & DESC_W_MASK) ? 'W' : '-');
130         }
131         qemu_fprintf(f, "%c]", (sc->flags & DESC_A_MASK) ? 'A' : '-');
132     } else {
133         static const char *sys_type_name[2][16] = {
134             { /* 32 bit mode */
135                 "Reserved", "TSS16-avl", "LDT", "TSS16-busy",
136                 "CallGate16", "TaskGate", "IntGate16", "TrapGate16",
137                 "Reserved", "TSS32-avl", "Reserved", "TSS32-busy",
138                 "CallGate32", "Reserved", "IntGate32", "TrapGate32"
139             },
140             { /* 64 bit mode */
141                 "<hiword>", "Reserved", "LDT", "Reserved", "Reserved",
142                 "Reserved", "Reserved", "Reserved", "Reserved",
143                 "TSS64-avl", "Reserved", "TSS64-busy", "CallGate64",
144                 "Reserved", "IntGate64", "TrapGate64"
145             }
146         };
147         qemu_fprintf(f, "%s",
148                      sys_type_name[(env->hflags & HF_LMA_MASK) ? 1 : 0]
149                      [(sc->flags & DESC_TYPE_MASK) >> DESC_TYPE_SHIFT]);
150     }
151 done:
152     qemu_fprintf(f, "\n");
153 }
154 
155 #ifndef CONFIG_USER_ONLY
156 
157 /* ARRAY_SIZE check is not required because
158  * DeliveryMode(dm) has a size of 3 bit.
159  */
160 static inline const char *dm2str(uint32_t dm)
161 {
162     static const char *str[] = {
163         "Fixed",
164         "...",
165         "SMI",
166         "...",
167         "NMI",
168         "INIT",
169         "...",
170         "ExtINT"
171     };
172     return str[dm];
173 }
174 
175 static void dump_apic_lvt(const char *name, uint32_t lvt, bool is_timer)
176 {
177     uint32_t dm = (lvt & APIC_LVT_DELIV_MOD) >> APIC_LVT_DELIV_MOD_SHIFT;
178     qemu_printf("%s\t 0x%08x %s %-5s %-6s %-7s %-12s %-6s",
179                 name, lvt,
180                 lvt & APIC_LVT_INT_POLARITY ? "active-lo" : "active-hi",
181                 lvt & APIC_LVT_LEVEL_TRIGGER ? "level" : "edge",
182                 lvt & APIC_LVT_MASKED ? "masked" : "",
183                 lvt & APIC_LVT_DELIV_STS ? "pending" : "",
184                 !is_timer ?
185                     "" : lvt & APIC_LVT_TIMER_PERIODIC ?
186                             "periodic" : lvt & APIC_LVT_TIMER_TSCDEADLINE ?
187                                             "tsc-deadline" : "one-shot",
188                 dm2str(dm));
189     if (dm != APIC_DM_NMI) {
190         qemu_printf(" (vec %u)\n", lvt & APIC_VECTOR_MASK);
191     } else {
192         qemu_printf("\n");
193     }
194 }
195 
196 /* ARRAY_SIZE check is not required because
197  * destination shorthand has a size of 2 bit.
198  */
199 static inline const char *shorthand2str(uint32_t shorthand)
200 {
201     const char *str[] = {
202         "no-shorthand", "self", "all-self", "all"
203     };
204     return str[shorthand];
205 }
206 
207 static inline uint8_t divider_conf(uint32_t divide_conf)
208 {
209     uint8_t divide_val = ((divide_conf & 0x8) >> 1) | (divide_conf & 0x3);
210 
211     return divide_val == 7 ? 1 : 2 << divide_val;
212 }
213 
214 static inline void mask2str(char *str, uint32_t val, uint8_t size)
215 {
216     while (size--) {
217         *str++ = (val >> size) & 1 ? '1' : '0';
218     }
219     *str = 0;
220 }
221 
222 #define MAX_LOGICAL_APIC_ID_MASK_SIZE 16
223 
224 static void dump_apic_icr(APICCommonState *s, CPUX86State *env)
225 {
226     uint32_t icr = s->icr[0], icr2 = s->icr[1];
227     uint8_t dest_shorthand = \
228         (icr & APIC_ICR_DEST_SHORT) >> APIC_ICR_DEST_SHORT_SHIFT;
229     bool logical_mod = icr & APIC_ICR_DEST_MOD;
230     char apic_id_str[MAX_LOGICAL_APIC_ID_MASK_SIZE + 1];
231     uint32_t dest_field;
232     bool x2apic;
233 
234     qemu_printf("ICR\t 0x%08x %s %s %s %s\n",
235                 icr,
236                 logical_mod ? "logical" : "physical",
237                 icr & APIC_ICR_TRIGGER_MOD ? "level" : "edge",
238                 icr & APIC_ICR_LEVEL ? "assert" : "de-assert",
239                 shorthand2str(dest_shorthand));
240 
241     qemu_printf("ICR2\t 0x%08x", icr2);
242     if (dest_shorthand != 0) {
243         qemu_printf("\n");
244         return;
245     }
246     x2apic = env->features[FEAT_1_ECX] & CPUID_EXT_X2APIC;
247     dest_field = x2apic ? icr2 : icr2 >> APIC_ICR_DEST_SHIFT;
248 
249     if (!logical_mod) {
250         if (x2apic) {
251             qemu_printf(" cpu %u (X2APIC ID)\n", dest_field);
252         } else {
253             qemu_printf(" cpu %u (APIC ID)\n",
254                         dest_field & APIC_LOGDEST_XAPIC_ID);
255         }
256         return;
257     }
258 
259     if (s->dest_mode == 0xf) { /* flat mode */
260         mask2str(apic_id_str, icr2 >> APIC_ICR_DEST_SHIFT, 8);
261         qemu_printf(" mask %s (APIC ID)\n", apic_id_str);
262     } else if (s->dest_mode == 0) { /* cluster mode */
263         if (x2apic) {
264             mask2str(apic_id_str, dest_field & APIC_LOGDEST_X2APIC_ID, 16);
265             qemu_printf(" cluster %u mask %s (X2APIC ID)\n",
266                         dest_field >> APIC_LOGDEST_X2APIC_SHIFT, apic_id_str);
267         } else {
268             mask2str(apic_id_str, dest_field & APIC_LOGDEST_XAPIC_ID, 4);
269             qemu_printf(" cluster %u mask %s (APIC ID)\n",
270                         dest_field >> APIC_LOGDEST_XAPIC_SHIFT, apic_id_str);
271         }
272     }
273 }
274 
275 static void dump_apic_interrupt(const char *name, uint32_t *ireg_tab,
276                                 uint32_t *tmr_tab)
277 {
278     int i, empty = true;
279 
280     qemu_printf("%s\t ", name);
281     for (i = 0; i < 256; i++) {
282         if (apic_get_bit(ireg_tab, i)) {
283             qemu_printf("%u%s ", i,
284                         apic_get_bit(tmr_tab, i) ? "(level)" : "");
285             empty = false;
286         }
287     }
288     qemu_printf("%s\n", empty ? "(none)" : "");
289 }
290 
291 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags)
292 {
293     X86CPU *cpu = X86_CPU(cs);
294     APICCommonState *s = APIC_COMMON(cpu->apic_state);
295     if (!s) {
296         qemu_printf("local apic state not available\n");
297         return;
298     }
299     uint32_t *lvt = s->lvt;
300 
301     qemu_printf("dumping local APIC state for CPU %-2u\n\n",
302                 CPU(cpu)->cpu_index);
303     dump_apic_lvt("LVT0", lvt[APIC_LVT_LINT0], false);
304     dump_apic_lvt("LVT1", lvt[APIC_LVT_LINT1], false);
305     dump_apic_lvt("LVTPC", lvt[APIC_LVT_PERFORM], false);
306     dump_apic_lvt("LVTERR", lvt[APIC_LVT_ERROR], false);
307     dump_apic_lvt("LVTTHMR", lvt[APIC_LVT_THERMAL], false);
308     dump_apic_lvt("LVTT", lvt[APIC_LVT_TIMER], true);
309 
310     qemu_printf("Timer\t DCR=0x%x (divide by %u) initial_count = %u"
311                 " current_count = %u\n",
312                 s->divide_conf & APIC_DCR_MASK,
313                 divider_conf(s->divide_conf),
314                 s->initial_count, apic_get_current_count(s));
315 
316     qemu_printf("SPIV\t 0x%08x APIC %s, focus=%s, spurious vec %u\n",
317                 s->spurious_vec,
318                 s->spurious_vec & APIC_SPURIO_ENABLED ? "enabled" : "disabled",
319                 s->spurious_vec & APIC_SPURIO_FOCUS ? "on" : "off",
320                 s->spurious_vec & APIC_VECTOR_MASK);
321 
322     dump_apic_icr(s, &cpu->env);
323 
324     qemu_printf("ESR\t 0x%08x\n", s->esr);
325 
326     dump_apic_interrupt("ISR", s->isr, s->tmr);
327     dump_apic_interrupt("IRR", s->irr, s->tmr);
328 
329     qemu_printf("\nAPR 0x%02x TPR 0x%02x DFR 0x%02x LDR 0x%02x",
330                 s->arb_id, s->tpr, s->dest_mode, s->log_dest);
331     if (s->dest_mode == 0) {
332         qemu_printf("(cluster %u: id %u)",
333                     s->log_dest >> APIC_LOGDEST_XAPIC_SHIFT,
334                     s->log_dest & APIC_LOGDEST_XAPIC_ID);
335     }
336     qemu_printf(" PPR 0x%02x\n", apic_get_ppr(s));
337 }
338 
339 #endif /* !CONFIG_USER_ONLY */
340 
341 #define DUMP_CODE_BYTES_TOTAL    50
342 #define DUMP_CODE_BYTES_BACKWARD 20
343 
344 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags)
345 {
346     X86CPU *cpu = X86_CPU(cs);
347     CPUX86State *env = &cpu->env;
348     int eflags, i, nb;
349     static const char *seg_name[6] = { "ES", "CS", "SS", "DS", "FS", "GS" };
350 
351     eflags = cpu_compute_eflags(env);
352 #ifdef TARGET_X86_64
353     if (env->hflags & HF_CS64_MASK) {
354         qemu_fprintf(f, "RAX=%016" PRIx64 " RBX=%016" PRIx64 " RCX=%016" PRIx64 " RDX=%016" PRIx64 "\n"
355                      "RSI=%016" PRIx64 " RDI=%016" PRIx64 " RBP=%016" PRIx64 " RSP=%016" PRIx64 "\n"
356                      "R8 =%016" PRIx64 " R9 =%016" PRIx64 " R10=%016" PRIx64 " R11=%016" PRIx64 "\n"
357                      "R12=%016" PRIx64 " R13=%016" PRIx64 " R14=%016" PRIx64 " R15=%016" PRIx64 "\n"
358                      "RIP=%016" PRIx64 " RFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d SMM=%d HLT=%d\n",
359                      env->regs[R_EAX],
360                      env->regs[R_EBX],
361                      env->regs[R_ECX],
362                      env->regs[R_EDX],
363                      env->regs[R_ESI],
364                      env->regs[R_EDI],
365                      env->regs[R_EBP],
366                      env->regs[R_ESP],
367                      env->regs[8],
368                      env->regs[9],
369                      env->regs[10],
370                      env->regs[11],
371                      env->regs[12],
372                      env->regs[13],
373                      env->regs[14],
374                      env->regs[15],
375                      env->eip, eflags,
376                      eflags & DF_MASK ? 'D' : '-',
377                      eflags & CC_O ? 'O' : '-',
378                      eflags & CC_S ? 'S' : '-',
379                      eflags & CC_Z ? 'Z' : '-',
380                      eflags & CC_A ? 'A' : '-',
381                      eflags & CC_P ? 'P' : '-',
382                      eflags & CC_C ? 'C' : '-',
383                      env->hflags & HF_CPL_MASK,
384                      (env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1,
385                      (env->a20_mask >> 20) & 1,
386                      (env->hflags >> HF_SMM_SHIFT) & 1,
387                      cs->halted);
388     } else
389 #endif
390     {
391         qemu_fprintf(f, "EAX=%08x EBX=%08x ECX=%08x EDX=%08x\n"
392                      "ESI=%08x EDI=%08x EBP=%08x ESP=%08x\n"
393                      "EIP=%08x EFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d SMM=%d HLT=%d\n",
394                      (uint32_t)env->regs[R_EAX],
395                      (uint32_t)env->regs[R_EBX],
396                      (uint32_t)env->regs[R_ECX],
397                      (uint32_t)env->regs[R_EDX],
398                      (uint32_t)env->regs[R_ESI],
399                      (uint32_t)env->regs[R_EDI],
400                      (uint32_t)env->regs[R_EBP],
401                      (uint32_t)env->regs[R_ESP],
402                      (uint32_t)env->eip, eflags,
403                      eflags & DF_MASK ? 'D' : '-',
404                      eflags & CC_O ? 'O' : '-',
405                      eflags & CC_S ? 'S' : '-',
406                      eflags & CC_Z ? 'Z' : '-',
407                      eflags & CC_A ? 'A' : '-',
408                      eflags & CC_P ? 'P' : '-',
409                      eflags & CC_C ? 'C' : '-',
410                      env->hflags & HF_CPL_MASK,
411                      (env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1,
412                      (env->a20_mask >> 20) & 1,
413                      (env->hflags >> HF_SMM_SHIFT) & 1,
414                      cs->halted);
415     }
416 
417     for(i = 0; i < 6; i++) {
418         cpu_x86_dump_seg_cache(env, f, seg_name[i], &env->segs[i]);
419     }
420     cpu_x86_dump_seg_cache(env, f, "LDT", &env->ldt);
421     cpu_x86_dump_seg_cache(env, f, "TR", &env->tr);
422 
423 #ifdef TARGET_X86_64
424     if (env->hflags & HF_LMA_MASK) {
425         qemu_fprintf(f, "GDT=     %016" PRIx64 " %08x\n",
426                      env->gdt.base, env->gdt.limit);
427         qemu_fprintf(f, "IDT=     %016" PRIx64 " %08x\n",
428                      env->idt.base, env->idt.limit);
429         qemu_fprintf(f, "CR0=%08x CR2=%016" PRIx64 " CR3=%016" PRIx64 " CR4=%08x\n",
430                      (uint32_t)env->cr[0],
431                      env->cr[2],
432                      env->cr[3],
433                      (uint32_t)env->cr[4]);
434         for(i = 0; i < 4; i++)
435             qemu_fprintf(f, "DR%d=%016" PRIx64 " ", i, env->dr[i]);
436         qemu_fprintf(f, "\nDR6=%016" PRIx64 " DR7=%016" PRIx64 "\n",
437                      env->dr[6], env->dr[7]);
438     } else
439 #endif
440     {
441         qemu_fprintf(f, "GDT=     %08x %08x\n",
442                      (uint32_t)env->gdt.base, env->gdt.limit);
443         qemu_fprintf(f, "IDT=     %08x %08x\n",
444                      (uint32_t)env->idt.base, env->idt.limit);
445         qemu_fprintf(f, "CR0=%08x CR2=%08x CR3=%08x CR4=%08x\n",
446                      (uint32_t)env->cr[0],
447                      (uint32_t)env->cr[2],
448                      (uint32_t)env->cr[3],
449                      (uint32_t)env->cr[4]);
450         for(i = 0; i < 4; i++) {
451             qemu_fprintf(f, "DR%d=" TARGET_FMT_lx " ", i, env->dr[i]);
452         }
453         qemu_fprintf(f, "\nDR6=" TARGET_FMT_lx " DR7=" TARGET_FMT_lx "\n",
454                      env->dr[6], env->dr[7]);
455     }
456     if (flags & CPU_DUMP_CCOP) {
457         const char *cc_op_name = NULL;
458         char cc_op_buf[32];
459 
460         if ((unsigned)env->cc_op < ARRAY_SIZE(cc_op_str)) {
461             cc_op_name = cc_op_str[env->cc_op];
462         }
463         if (cc_op_name == NULL) {
464             snprintf(cc_op_buf, sizeof(cc_op_buf), "[%d]", env->cc_op);
465             cc_op_name = cc_op_buf;
466         }
467 #ifdef TARGET_X86_64
468         if (env->hflags & HF_CS64_MASK) {
469             qemu_fprintf(f, "CCS=%016" PRIx64 " CCD=%016" PRIx64 " CCO=%s\n",
470                          env->cc_src, env->cc_dst,
471                          cc_op_name);
472         } else
473 #endif
474         {
475             qemu_fprintf(f, "CCS=%08x CCD=%08x CCO=%s\n",
476                          (uint32_t)env->cc_src, (uint32_t)env->cc_dst,
477                          cc_op_name);
478         }
479     }
480     qemu_fprintf(f, "EFER=%016" PRIx64 "\n", env->efer);
481     if (flags & CPU_DUMP_FPU) {
482         int fptag;
483         const uint64_t avx512_mask = XSTATE_OPMASK_MASK | \
484                                      XSTATE_ZMM_Hi256_MASK | \
485                                      XSTATE_Hi16_ZMM_MASK | \
486                                      XSTATE_YMM_MASK | XSTATE_SSE_MASK,
487                        avx_mask = XSTATE_YMM_MASK | XSTATE_SSE_MASK;
488         fptag = 0;
489         for(i = 0; i < 8; i++) {
490             fptag |= ((!env->fptags[i]) << i);
491         }
492         update_mxcsr_from_sse_status(env);
493         qemu_fprintf(f, "FCW=%04x FSW=%04x [ST=%d] FTW=%02x MXCSR=%08x\n",
494                      env->fpuc,
495                      (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11,
496                      env->fpstt,
497                      fptag,
498                      env->mxcsr);
499         for(i=0;i<8;i++) {
500             CPU_LDoubleU u;
501             u.d = env->fpregs[i].d;
502             qemu_fprintf(f, "FPR%d=%016" PRIx64 " %04x",
503                          i, u.l.lower, u.l.upper);
504             if ((i & 1) == 1)
505                 qemu_fprintf(f, "\n");
506             else
507                 qemu_fprintf(f, " ");
508         }
509 
510         if ((env->xcr0 & avx512_mask) == avx512_mask) {
511             /* XSAVE enabled AVX512 */
512             for (i = 0; i < NB_OPMASK_REGS; i++) {
513                 qemu_fprintf(f, "Opmask%02d=%016"PRIx64"%s", i,
514                              env->opmask_regs[i], ((i & 3) == 3) ? "\n" : " ");
515             }
516 
517             nb = (env->hflags & HF_CS64_MASK) ? 32 : 8;
518             for (i = 0; i < nb; i++) {
519                 qemu_fprintf(f, "ZMM%02d=%016"PRIx64" %016"PRIx64" %016"PRIx64
520                              " %016"PRIx64" %016"PRIx64" %016"PRIx64
521                              " %016"PRIx64" %016"PRIx64"\n",
522                              i,
523                              env->xmm_regs[i].ZMM_Q(7),
524                              env->xmm_regs[i].ZMM_Q(6),
525                              env->xmm_regs[i].ZMM_Q(5),
526                              env->xmm_regs[i].ZMM_Q(4),
527                              env->xmm_regs[i].ZMM_Q(3),
528                              env->xmm_regs[i].ZMM_Q(2),
529                              env->xmm_regs[i].ZMM_Q(1),
530                              env->xmm_regs[i].ZMM_Q(0));
531             }
532         } else if ((env->xcr0 & avx_mask)  == avx_mask) {
533             /* XSAVE enabled AVX */
534             nb = env->hflags & HF_CS64_MASK ? 16 : 8;
535             for (i = 0; i < nb; i++) {
536                 qemu_fprintf(f, "YMM%02d=%016"PRIx64" %016"PRIx64" %016"PRIx64
537                              " %016"PRIx64"\n", i,
538                              env->xmm_regs[i].ZMM_Q(3),
539                              env->xmm_regs[i].ZMM_Q(2),
540                              env->xmm_regs[i].ZMM_Q(1),
541                              env->xmm_regs[i].ZMM_Q(0));
542             }
543         } else { /* SSE and below cases */
544             nb = env->hflags & HF_CS64_MASK ? 16 : 8;
545             for (i = 0; i < nb; i++) {
546                 qemu_fprintf(f, "XMM%02d=%016"PRIx64" %016"PRIx64"%s",
547                              i,
548                              env->xmm_regs[i].ZMM_Q(1),
549                              env->xmm_regs[i].ZMM_Q(0),
550                              (i & 1) ? "\n" : " ");
551             }
552         }
553     }
554     if (flags & CPU_DUMP_CODE) {
555         target_ulong base = env->segs[R_CS].base + env->eip;
556         target_ulong offs = MIN(env->eip, DUMP_CODE_BYTES_BACKWARD);
557         uint8_t code;
558         char codestr[3];
559 
560         qemu_fprintf(f, "Code=");
561         for (i = 0; i < DUMP_CODE_BYTES_TOTAL; i++) {
562             if (cpu_memory_rw_debug(cs, base - offs + i, &code, 1, 0) == 0) {
563                 snprintf(codestr, sizeof(codestr), "%02x", code);
564             } else {
565                 snprintf(codestr, sizeof(codestr), "??");
566             }
567             qemu_fprintf(f, "%s%s%s%s", i > 0 ? " " : "",
568                          i == offs ? "<" : "", codestr, i == offs ? ">" : "");
569         }
570         qemu_fprintf(f, "\n");
571     }
572 }
573