xref: /openbmc/qemu/target/i386/cpu-dump.c (revision 907b5105)
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 *cc_op_str[CC_OP_NB] = {
31     "DYNAMIC",
32     "EFLAGS",
33 
34     "MULB",
35     "MULW",
36     "MULL",
37     "MULQ",
38 
39     "ADDB",
40     "ADDW",
41     "ADDL",
42     "ADDQ",
43 
44     "ADCB",
45     "ADCW",
46     "ADCL",
47     "ADCQ",
48 
49     "SUBB",
50     "SUBW",
51     "SUBL",
52     "SUBQ",
53 
54     "SBBB",
55     "SBBW",
56     "SBBL",
57     "SBBQ",
58 
59     "LOGICB",
60     "LOGICW",
61     "LOGICL",
62     "LOGICQ",
63 
64     "INCB",
65     "INCW",
66     "INCL",
67     "INCQ",
68 
69     "DECB",
70     "DECW",
71     "DECL",
72     "DECQ",
73 
74     "SHLB",
75     "SHLW",
76     "SHLL",
77     "SHLQ",
78 
79     "SARB",
80     "SARW",
81     "SARL",
82     "SARQ",
83 
84     "BMILGB",
85     "BMILGW",
86     "BMILGL",
87     "BMILGQ",
88 
89     "ADCX",
90     "ADOX",
91     "ADCOX",
92 
93     "CLR",
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 #else
339 void x86_cpu_dump_local_apic_state(CPUState *cs, int flags)
340 {
341 }
342 #endif /* !CONFIG_USER_ONLY */
343 
344 #define DUMP_CODE_BYTES_TOTAL    50
345 #define DUMP_CODE_BYTES_BACKWARD 20
346 
347 void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags)
348 {
349     X86CPU *cpu = X86_CPU(cs);
350     CPUX86State *env = &cpu->env;
351     int eflags, i, nb;
352     char cc_op_name[32];
353     static const char *seg_name[6] = { "ES", "CS", "SS", "DS", "FS", "GS" };
354 
355     eflags = cpu_compute_eflags(env);
356 #ifdef TARGET_X86_64
357     if (env->hflags & HF_CS64_MASK) {
358         qemu_fprintf(f, "RAX=%016" PRIx64 " RBX=%016" PRIx64 " RCX=%016" PRIx64 " RDX=%016" PRIx64 "\n"
359                      "RSI=%016" PRIx64 " RDI=%016" PRIx64 " RBP=%016" PRIx64 " RSP=%016" PRIx64 "\n"
360                      "R8 =%016" PRIx64 " R9 =%016" PRIx64 " R10=%016" PRIx64 " R11=%016" PRIx64 "\n"
361                      "R12=%016" PRIx64 " R13=%016" PRIx64 " R14=%016" PRIx64 " R15=%016" PRIx64 "\n"
362                      "RIP=%016" PRIx64 " RFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d SMM=%d HLT=%d\n",
363                      env->regs[R_EAX],
364                      env->regs[R_EBX],
365                      env->regs[R_ECX],
366                      env->regs[R_EDX],
367                      env->regs[R_ESI],
368                      env->regs[R_EDI],
369                      env->regs[R_EBP],
370                      env->regs[R_ESP],
371                      env->regs[8],
372                      env->regs[9],
373                      env->regs[10],
374                      env->regs[11],
375                      env->regs[12],
376                      env->regs[13],
377                      env->regs[14],
378                      env->regs[15],
379                      env->eip, eflags,
380                      eflags & DF_MASK ? 'D' : '-',
381                      eflags & CC_O ? 'O' : '-',
382                      eflags & CC_S ? 'S' : '-',
383                      eflags & CC_Z ? 'Z' : '-',
384                      eflags & CC_A ? 'A' : '-',
385                      eflags & CC_P ? 'P' : '-',
386                      eflags & CC_C ? 'C' : '-',
387                      env->hflags & HF_CPL_MASK,
388                      (env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1,
389                      (env->a20_mask >> 20) & 1,
390                      (env->hflags >> HF_SMM_SHIFT) & 1,
391                      cs->halted);
392     } else
393 #endif
394     {
395         qemu_fprintf(f, "EAX=%08x EBX=%08x ECX=%08x EDX=%08x\n"
396                      "ESI=%08x EDI=%08x EBP=%08x ESP=%08x\n"
397                      "EIP=%08x EFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d SMM=%d HLT=%d\n",
398                      (uint32_t)env->regs[R_EAX],
399                      (uint32_t)env->regs[R_EBX],
400                      (uint32_t)env->regs[R_ECX],
401                      (uint32_t)env->regs[R_EDX],
402                      (uint32_t)env->regs[R_ESI],
403                      (uint32_t)env->regs[R_EDI],
404                      (uint32_t)env->regs[R_EBP],
405                      (uint32_t)env->regs[R_ESP],
406                      (uint32_t)env->eip, eflags,
407                      eflags & DF_MASK ? 'D' : '-',
408                      eflags & CC_O ? 'O' : '-',
409                      eflags & CC_S ? 'S' : '-',
410                      eflags & CC_Z ? 'Z' : '-',
411                      eflags & CC_A ? 'A' : '-',
412                      eflags & CC_P ? 'P' : '-',
413                      eflags & CC_C ? 'C' : '-',
414                      env->hflags & HF_CPL_MASK,
415                      (env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1,
416                      (env->a20_mask >> 20) & 1,
417                      (env->hflags >> HF_SMM_SHIFT) & 1,
418                      cs->halted);
419     }
420 
421     for(i = 0; i < 6; i++) {
422         cpu_x86_dump_seg_cache(env, f, seg_name[i], &env->segs[i]);
423     }
424     cpu_x86_dump_seg_cache(env, f, "LDT", &env->ldt);
425     cpu_x86_dump_seg_cache(env, f, "TR", &env->tr);
426 
427 #ifdef TARGET_X86_64
428     if (env->hflags & HF_LMA_MASK) {
429         qemu_fprintf(f, "GDT=     %016" PRIx64 " %08x\n",
430                      env->gdt.base, env->gdt.limit);
431         qemu_fprintf(f, "IDT=     %016" PRIx64 " %08x\n",
432                      env->idt.base, env->idt.limit);
433         qemu_fprintf(f, "CR0=%08x CR2=%016" PRIx64 " CR3=%016" PRIx64 " CR4=%08x\n",
434                      (uint32_t)env->cr[0],
435                      env->cr[2],
436                      env->cr[3],
437                      (uint32_t)env->cr[4]);
438         for(i = 0; i < 4; i++)
439             qemu_fprintf(f, "DR%d=%016" PRIx64 " ", i, env->dr[i]);
440         qemu_fprintf(f, "\nDR6=%016" PRIx64 " DR7=%016" PRIx64 "\n",
441                      env->dr[6], env->dr[7]);
442     } else
443 #endif
444     {
445         qemu_fprintf(f, "GDT=     %08x %08x\n",
446                      (uint32_t)env->gdt.base, env->gdt.limit);
447         qemu_fprintf(f, "IDT=     %08x %08x\n",
448                      (uint32_t)env->idt.base, env->idt.limit);
449         qemu_fprintf(f, "CR0=%08x CR2=%08x CR3=%08x CR4=%08x\n",
450                      (uint32_t)env->cr[0],
451                      (uint32_t)env->cr[2],
452                      (uint32_t)env->cr[3],
453                      (uint32_t)env->cr[4]);
454         for(i = 0; i < 4; i++) {
455             qemu_fprintf(f, "DR%d=" TARGET_FMT_lx " ", i, env->dr[i]);
456         }
457         qemu_fprintf(f, "\nDR6=" TARGET_FMT_lx " DR7=" TARGET_FMT_lx "\n",
458                      env->dr[6], env->dr[7]);
459     }
460     if (flags & CPU_DUMP_CCOP) {
461         if ((unsigned)env->cc_op < CC_OP_NB)
462             snprintf(cc_op_name, sizeof(cc_op_name), "%s", cc_op_str[env->cc_op]);
463         else
464             snprintf(cc_op_name, sizeof(cc_op_name), "[%d]", env->cc_op);
465 #ifdef TARGET_X86_64
466         if (env->hflags & HF_CS64_MASK) {
467             qemu_fprintf(f, "CCS=%016" PRIx64 " CCD=%016" PRIx64 " CCO=%s\n",
468                          env->cc_src, env->cc_dst,
469                          cc_op_name);
470         } else
471 #endif
472         {
473             qemu_fprintf(f, "CCS=%08x CCD=%08x CCO=%s\n",
474                          (uint32_t)env->cc_src, (uint32_t)env->cc_dst,
475                          cc_op_name);
476         }
477     }
478     qemu_fprintf(f, "EFER=%016" PRIx64 "\n", env->efer);
479     if (flags & CPU_DUMP_FPU) {
480         int fptag;
481         const uint64_t avx512_mask = XSTATE_OPMASK_MASK | \
482                                      XSTATE_ZMM_Hi256_MASK | \
483                                      XSTATE_Hi16_ZMM_MASK | \
484                                      XSTATE_YMM_MASK | XSTATE_SSE_MASK,
485                        avx_mask = XSTATE_YMM_MASK | XSTATE_SSE_MASK;
486         fptag = 0;
487         for(i = 0; i < 8; i++) {
488             fptag |= ((!env->fptags[i]) << i);
489         }
490         update_mxcsr_from_sse_status(env);
491         qemu_fprintf(f, "FCW=%04x FSW=%04x [ST=%d] FTW=%02x MXCSR=%08x\n",
492                      env->fpuc,
493                      (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11,
494                      env->fpstt,
495                      fptag,
496                      env->mxcsr);
497         for(i=0;i<8;i++) {
498             CPU_LDoubleU u;
499             u.d = env->fpregs[i].d;
500             qemu_fprintf(f, "FPR%d=%016" PRIx64 " %04x",
501                          i, u.l.lower, u.l.upper);
502             if ((i & 1) == 1)
503                 qemu_fprintf(f, "\n");
504             else
505                 qemu_fprintf(f, " ");
506         }
507 
508         if ((env->xcr0 & avx512_mask) == avx512_mask) {
509             /* XSAVE enabled AVX512 */
510             for (i = 0; i < NB_OPMASK_REGS; i++) {
511                 qemu_fprintf(f, "Opmask%02d=%016"PRIx64"%s", i,
512                              env->opmask_regs[i], ((i & 3) == 3) ? "\n" : " ");
513             }
514 
515             nb = (env->hflags & HF_CS64_MASK) ? 32 : 8;
516             for (i = 0; i < nb; i++) {
517                 qemu_fprintf(f, "ZMM%02d=%016"PRIx64" %016"PRIx64" %016"PRIx64
518                              " %016"PRIx64" %016"PRIx64" %016"PRIx64
519                              " %016"PRIx64" %016"PRIx64"\n",
520                              i,
521                              env->xmm_regs[i].ZMM_Q(7),
522                              env->xmm_regs[i].ZMM_Q(6),
523                              env->xmm_regs[i].ZMM_Q(5),
524                              env->xmm_regs[i].ZMM_Q(4),
525                              env->xmm_regs[i].ZMM_Q(3),
526                              env->xmm_regs[i].ZMM_Q(2),
527                              env->xmm_regs[i].ZMM_Q(1),
528                              env->xmm_regs[i].ZMM_Q(0));
529             }
530         } else if ((env->xcr0 & avx_mask)  == avx_mask) {
531             /* XSAVE enabled AVX */
532             nb = env->hflags & HF_CS64_MASK ? 16 : 8;
533             for (i = 0; i < nb; i++) {
534                 qemu_fprintf(f, "YMM%02d=%016"PRIx64" %016"PRIx64" %016"PRIx64
535                              " %016"PRIx64"\n", i,
536                              env->xmm_regs[i].ZMM_Q(3),
537                              env->xmm_regs[i].ZMM_Q(2),
538                              env->xmm_regs[i].ZMM_Q(1),
539                              env->xmm_regs[i].ZMM_Q(0));
540             }
541         } else { /* SSE and below cases */
542             nb = env->hflags & HF_CS64_MASK ? 16 : 8;
543             for (i = 0; i < nb; i++) {
544                 qemu_fprintf(f, "XMM%02d=%016"PRIx64" %016"PRIx64"%s",
545                              i,
546                              env->xmm_regs[i].ZMM_Q(1),
547                              env->xmm_regs[i].ZMM_Q(0),
548                              (i & 1) ? "\n" : " ");
549             }
550         }
551     }
552     if (flags & CPU_DUMP_CODE) {
553         target_ulong base = env->segs[R_CS].base + env->eip;
554         target_ulong offs = MIN(env->eip, DUMP_CODE_BYTES_BACKWARD);
555         uint8_t code;
556         char codestr[3];
557 
558         qemu_fprintf(f, "Code=");
559         for (i = 0; i < DUMP_CODE_BYTES_TOTAL; i++) {
560             if (cpu_memory_rw_debug(cs, base - offs + i, &code, 1, 0) == 0) {
561                 snprintf(codestr, sizeof(codestr), "%02x", code);
562             } else {
563                 snprintf(codestr, sizeof(codestr), "??");
564             }
565             qemu_fprintf(f, "%s%s%s%s", i > 0 ? " " : "",
566                          i == offs ? "<" : "", codestr, i == offs ? ">" : "");
567         }
568         qemu_fprintf(f, "\n");
569     }
570 }
571