xref: /openbmc/qemu/target/i386/monitor.c (revision bad5cfcd)
1 /*
2  * QEMU monitor
3  *
4  * Copyright (c) 2003-2004 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #include "qemu/osdep.h"
26 #include "cpu.h"
27 #include "monitor/monitor.h"
28 #include "monitor/hmp-target.h"
29 #include "monitor/hmp.h"
30 #include "qapi/qmp/qdict.h"
31 #include "sysemu/kvm.h"
32 #include "qapi/error.h"
33 #include "qapi/qapi-commands-misc-target.h"
34 #include "qapi/qapi-commands-misc.h"
35 #include "hw/i386/pc.h"
36 
37 /* Perform linear address sign extension */
38 static hwaddr addr_canonical(CPUArchState *env, hwaddr addr)
39 {
40 #ifdef TARGET_X86_64
41     if (env->cr[4] & CR4_LA57_MASK) {
42         if (addr & (1ULL << 56)) {
43             addr |= (hwaddr)-(1LL << 57);
44         }
45     } else {
46         if (addr & (1ULL << 47)) {
47             addr |= (hwaddr)-(1LL << 48);
48         }
49     }
50 #endif
51     return addr;
52 }
53 
54 static void print_pte(Monitor *mon, CPUArchState *env, hwaddr addr,
55                       hwaddr pte, hwaddr mask)
56 {
57     addr = addr_canonical(env, addr);
58 
59     monitor_printf(mon, HWADDR_FMT_plx ": " HWADDR_FMT_plx
60                    " %c%c%c%c%c%c%c%c%c\n",
61                    addr,
62                    pte & mask,
63                    pte & PG_NX_MASK ? 'X' : '-',
64                    pte & PG_GLOBAL_MASK ? 'G' : '-',
65                    pte & PG_PSE_MASK ? 'P' : '-',
66                    pte & PG_DIRTY_MASK ? 'D' : '-',
67                    pte & PG_ACCESSED_MASK ? 'A' : '-',
68                    pte & PG_PCD_MASK ? 'C' : '-',
69                    pte & PG_PWT_MASK ? 'T' : '-',
70                    pte & PG_USER_MASK ? 'U' : '-',
71                    pte & PG_RW_MASK ? 'W' : '-');
72 }
73 
74 static void tlb_info_32(Monitor *mon, CPUArchState *env)
75 {
76     unsigned int l1, l2;
77     uint32_t pgd, pde, pte;
78 
79     pgd = env->cr[3] & ~0xfff;
80     for(l1 = 0; l1 < 1024; l1++) {
81         cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
82         pde = le32_to_cpu(pde);
83         if (pde & PG_PRESENT_MASK) {
84             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
85                 /* 4M pages */
86                 print_pte(mon, env, (l1 << 22), pde, ~((1 << 21) - 1));
87             } else {
88                 for(l2 = 0; l2 < 1024; l2++) {
89                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
90                     pte = le32_to_cpu(pte);
91                     if (pte & PG_PRESENT_MASK) {
92                         print_pte(mon, env, (l1 << 22) + (l2 << 12),
93                                   pte & ~PG_PSE_MASK,
94                                   ~0xfff);
95                     }
96                 }
97             }
98         }
99     }
100 }
101 
102 static void tlb_info_pae32(Monitor *mon, CPUArchState *env)
103 {
104     unsigned int l1, l2, l3;
105     uint64_t pdpe, pde, pte;
106     uint64_t pdp_addr, pd_addr, pt_addr;
107 
108     pdp_addr = env->cr[3] & ~0x1f;
109     for (l1 = 0; l1 < 4; l1++) {
110         cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
111         pdpe = le64_to_cpu(pdpe);
112         if (pdpe & PG_PRESENT_MASK) {
113             pd_addr = pdpe & 0x3fffffffff000ULL;
114             for (l2 = 0; l2 < 512; l2++) {
115                 cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
116                 pde = le64_to_cpu(pde);
117                 if (pde & PG_PRESENT_MASK) {
118                     if (pde & PG_PSE_MASK) {
119                         /* 2M pages with PAE, CR4.PSE is ignored */
120                         print_pte(mon, env, (l1 << 30) + (l2 << 21), pde,
121                                   ~((hwaddr)(1 << 20) - 1));
122                     } else {
123                         pt_addr = pde & 0x3fffffffff000ULL;
124                         for (l3 = 0; l3 < 512; l3++) {
125                             cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
126                             pte = le64_to_cpu(pte);
127                             if (pte & PG_PRESENT_MASK) {
128                                 print_pte(mon, env, (l1 << 30) + (l2 << 21)
129                                           + (l3 << 12),
130                                           pte & ~PG_PSE_MASK,
131                                           ~(hwaddr)0xfff);
132                             }
133                         }
134                     }
135                 }
136             }
137         }
138     }
139 }
140 
141 #ifdef TARGET_X86_64
142 static void tlb_info_la48(Monitor *mon, CPUArchState *env,
143         uint64_t l0, uint64_t pml4_addr)
144 {
145     uint64_t l1, l2, l3, l4;
146     uint64_t pml4e, pdpe, pde, pte;
147     uint64_t pdp_addr, pd_addr, pt_addr;
148 
149     for (l1 = 0; l1 < 512; l1++) {
150         cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
151         pml4e = le64_to_cpu(pml4e);
152         if (!(pml4e & PG_PRESENT_MASK)) {
153             continue;
154         }
155 
156         pdp_addr = pml4e & 0x3fffffffff000ULL;
157         for (l2 = 0; l2 < 512; l2++) {
158             cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
159             pdpe = le64_to_cpu(pdpe);
160             if (!(pdpe & PG_PRESENT_MASK)) {
161                 continue;
162             }
163 
164             if (pdpe & PG_PSE_MASK) {
165                 /* 1G pages, CR4.PSE is ignored */
166                 print_pte(mon, env, (l0 << 48) + (l1 << 39) + (l2 << 30),
167                         pdpe, 0x3ffffc0000000ULL);
168                 continue;
169             }
170 
171             pd_addr = pdpe & 0x3fffffffff000ULL;
172             for (l3 = 0; l3 < 512; l3++) {
173                 cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
174                 pde = le64_to_cpu(pde);
175                 if (!(pde & PG_PRESENT_MASK)) {
176                     continue;
177                 }
178 
179                 if (pde & PG_PSE_MASK) {
180                     /* 2M pages, CR4.PSE is ignored */
181                     print_pte(mon, env, (l0 << 48) + (l1 << 39) + (l2 << 30) +
182                             (l3 << 21), pde, 0x3ffffffe00000ULL);
183                     continue;
184                 }
185 
186                 pt_addr = pde & 0x3fffffffff000ULL;
187                 for (l4 = 0; l4 < 512; l4++) {
188                     cpu_physical_memory_read(pt_addr
189                             + l4 * 8,
190                             &pte, 8);
191                     pte = le64_to_cpu(pte);
192                     if (pte & PG_PRESENT_MASK) {
193                         print_pte(mon, env, (l0 << 48) + (l1 << 39) +
194                                 (l2 << 30) + (l3 << 21) + (l4 << 12),
195                                 pte & ~PG_PSE_MASK, 0x3fffffffff000ULL);
196                     }
197                 }
198             }
199         }
200     }
201 }
202 
203 static void tlb_info_la57(Monitor *mon, CPUArchState *env)
204 {
205     uint64_t l0;
206     uint64_t pml5e;
207     uint64_t pml5_addr;
208 
209     pml5_addr = env->cr[3] & 0x3fffffffff000ULL;
210     for (l0 = 0; l0 < 512; l0++) {
211         cpu_physical_memory_read(pml5_addr + l0 * 8, &pml5e, 8);
212         pml5e = le64_to_cpu(pml5e);
213         if (pml5e & PG_PRESENT_MASK) {
214             tlb_info_la48(mon, env, l0, pml5e & 0x3fffffffff000ULL);
215         }
216     }
217 }
218 #endif /* TARGET_X86_64 */
219 
220 void hmp_info_tlb(Monitor *mon, const QDict *qdict)
221 {
222     CPUArchState *env;
223 
224     env = mon_get_cpu_env(mon);
225     if (!env) {
226         monitor_printf(mon, "No CPU available\n");
227         return;
228     }
229 
230     if (!(env->cr[0] & CR0_PG_MASK)) {
231         monitor_printf(mon, "PG disabled\n");
232         return;
233     }
234     if (env->cr[4] & CR4_PAE_MASK) {
235 #ifdef TARGET_X86_64
236         if (env->hflags & HF_LMA_MASK) {
237             if (env->cr[4] & CR4_LA57_MASK) {
238                 tlb_info_la57(mon, env);
239             } else {
240                 tlb_info_la48(mon, env, 0, env->cr[3] & 0x3fffffffff000ULL);
241             }
242         } else
243 #endif
244         {
245             tlb_info_pae32(mon, env);
246         }
247     } else {
248         tlb_info_32(mon, env);
249     }
250 }
251 
252 static void mem_print(Monitor *mon, CPUArchState *env,
253                       hwaddr *pstart, int *plast_prot,
254                       hwaddr end, int prot)
255 {
256     int prot1;
257     prot1 = *plast_prot;
258     if (prot != prot1) {
259         if (*pstart != -1) {
260             monitor_printf(mon, HWADDR_FMT_plx "-" HWADDR_FMT_plx " "
261                            HWADDR_FMT_plx " %c%c%c\n",
262                            addr_canonical(env, *pstart),
263                            addr_canonical(env, end),
264                            addr_canonical(env, end - *pstart),
265                            prot1 & PG_USER_MASK ? 'u' : '-',
266                            'r',
267                            prot1 & PG_RW_MASK ? 'w' : '-');
268         }
269         if (prot != 0)
270             *pstart = end;
271         else
272             *pstart = -1;
273         *plast_prot = prot;
274     }
275 }
276 
277 static void mem_info_32(Monitor *mon, CPUArchState *env)
278 {
279     unsigned int l1, l2;
280     int prot, last_prot;
281     uint32_t pgd, pde, pte;
282     hwaddr start, end;
283 
284     pgd = env->cr[3] & ~0xfff;
285     last_prot = 0;
286     start = -1;
287     for(l1 = 0; l1 < 1024; l1++) {
288         cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
289         pde = le32_to_cpu(pde);
290         end = l1 << 22;
291         if (pde & PG_PRESENT_MASK) {
292             if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
293                 prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
294                 mem_print(mon, env, &start, &last_prot, end, prot);
295             } else {
296                 for(l2 = 0; l2 < 1024; l2++) {
297                     cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
298                     pte = le32_to_cpu(pte);
299                     end = (l1 << 22) + (l2 << 12);
300                     if (pte & PG_PRESENT_MASK) {
301                         prot = pte & pde &
302                             (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
303                     } else {
304                         prot = 0;
305                     }
306                     mem_print(mon, env, &start, &last_prot, end, prot);
307                 }
308             }
309         } else {
310             prot = 0;
311             mem_print(mon, env, &start, &last_prot, end, prot);
312         }
313     }
314     /* Flush last range */
315     mem_print(mon, env, &start, &last_prot, (hwaddr)1 << 32, 0);
316 }
317 
318 static void mem_info_pae32(Monitor *mon, CPUArchState *env)
319 {
320     unsigned int l1, l2, l3;
321     int prot, last_prot;
322     uint64_t pdpe, pde, pte;
323     uint64_t pdp_addr, pd_addr, pt_addr;
324     hwaddr start, end;
325 
326     pdp_addr = env->cr[3] & ~0x1f;
327     last_prot = 0;
328     start = -1;
329     for (l1 = 0; l1 < 4; l1++) {
330         cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
331         pdpe = le64_to_cpu(pdpe);
332         end = l1 << 30;
333         if (pdpe & PG_PRESENT_MASK) {
334             pd_addr = pdpe & 0x3fffffffff000ULL;
335             for (l2 = 0; l2 < 512; l2++) {
336                 cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
337                 pde = le64_to_cpu(pde);
338                 end = (l1 << 30) + (l2 << 21);
339                 if (pde & PG_PRESENT_MASK) {
340                     if (pde & PG_PSE_MASK) {
341                         prot = pde & (PG_USER_MASK | PG_RW_MASK |
342                                       PG_PRESENT_MASK);
343                         mem_print(mon, env, &start, &last_prot, end, prot);
344                     } else {
345                         pt_addr = pde & 0x3fffffffff000ULL;
346                         for (l3 = 0; l3 < 512; l3++) {
347                             cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
348                             pte = le64_to_cpu(pte);
349                             end = (l1 << 30) + (l2 << 21) + (l3 << 12);
350                             if (pte & PG_PRESENT_MASK) {
351                                 prot = pte & pde & (PG_USER_MASK | PG_RW_MASK |
352                                                     PG_PRESENT_MASK);
353                             } else {
354                                 prot = 0;
355                             }
356                             mem_print(mon, env, &start, &last_prot, end, prot);
357                         }
358                     }
359                 } else {
360                     prot = 0;
361                     mem_print(mon, env, &start, &last_prot, end, prot);
362                 }
363             }
364         } else {
365             prot = 0;
366             mem_print(mon, env, &start, &last_prot, end, prot);
367         }
368     }
369     /* Flush last range */
370     mem_print(mon, env, &start, &last_prot, (hwaddr)1 << 32, 0);
371 }
372 
373 
374 #ifdef TARGET_X86_64
375 static void mem_info_la48(Monitor *mon, CPUArchState *env)
376 {
377     int prot, last_prot;
378     uint64_t l1, l2, l3, l4;
379     uint64_t pml4e, pdpe, pde, pte;
380     uint64_t pml4_addr, pdp_addr, pd_addr, pt_addr, start, end;
381 
382     pml4_addr = env->cr[3] & 0x3fffffffff000ULL;
383     last_prot = 0;
384     start = -1;
385     for (l1 = 0; l1 < 512; l1++) {
386         cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
387         pml4e = le64_to_cpu(pml4e);
388         end = l1 << 39;
389         if (pml4e & PG_PRESENT_MASK) {
390             pdp_addr = pml4e & 0x3fffffffff000ULL;
391             for (l2 = 0; l2 < 512; l2++) {
392                 cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
393                 pdpe = le64_to_cpu(pdpe);
394                 end = (l1 << 39) + (l2 << 30);
395                 if (pdpe & PG_PRESENT_MASK) {
396                     if (pdpe & PG_PSE_MASK) {
397                         prot = pdpe & (PG_USER_MASK | PG_RW_MASK |
398                                        PG_PRESENT_MASK);
399                         prot &= pml4e;
400                         mem_print(mon, env, &start, &last_prot, end, prot);
401                     } else {
402                         pd_addr = pdpe & 0x3fffffffff000ULL;
403                         for (l3 = 0; l3 < 512; l3++) {
404                             cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
405                             pde = le64_to_cpu(pde);
406                             end = (l1 << 39) + (l2 << 30) + (l3 << 21);
407                             if (pde & PG_PRESENT_MASK) {
408                                 if (pde & PG_PSE_MASK) {
409                                     prot = pde & (PG_USER_MASK | PG_RW_MASK |
410                                                   PG_PRESENT_MASK);
411                                     prot &= pml4e & pdpe;
412                                     mem_print(mon, env, &start,
413                                               &last_prot, end, prot);
414                                 } else {
415                                     pt_addr = pde & 0x3fffffffff000ULL;
416                                     for (l4 = 0; l4 < 512; l4++) {
417                                         cpu_physical_memory_read(pt_addr
418                                                                  + l4 * 8,
419                                                                  &pte, 8);
420                                         pte = le64_to_cpu(pte);
421                                         end = (l1 << 39) + (l2 << 30) +
422                                             (l3 << 21) + (l4 << 12);
423                                         if (pte & PG_PRESENT_MASK) {
424                                             prot = pte & (PG_USER_MASK | PG_RW_MASK |
425                                                           PG_PRESENT_MASK);
426                                             prot &= pml4e & pdpe & pde;
427                                         } else {
428                                             prot = 0;
429                                         }
430                                         mem_print(mon, env, &start,
431                                                   &last_prot, end, prot);
432                                     }
433                                 }
434                             } else {
435                                 prot = 0;
436                                 mem_print(mon, env, &start,
437                                           &last_prot, end, prot);
438                             }
439                         }
440                     }
441                 } else {
442                     prot = 0;
443                     mem_print(mon, env, &start, &last_prot, end, prot);
444                 }
445             }
446         } else {
447             prot = 0;
448             mem_print(mon, env, &start, &last_prot, end, prot);
449         }
450     }
451     /* Flush last range */
452     mem_print(mon, env, &start, &last_prot, (hwaddr)1 << 48, 0);
453 }
454 
455 static void mem_info_la57(Monitor *mon, CPUArchState *env)
456 {
457     int prot, last_prot;
458     uint64_t l0, l1, l2, l3, l4;
459     uint64_t pml5e, pml4e, pdpe, pde, pte;
460     uint64_t pml5_addr, pml4_addr, pdp_addr, pd_addr, pt_addr, start, end;
461 
462     pml5_addr = env->cr[3] & 0x3fffffffff000ULL;
463     last_prot = 0;
464     start = -1;
465     for (l0 = 0; l0 < 512; l0++) {
466         cpu_physical_memory_read(pml5_addr + l0 * 8, &pml5e, 8);
467         pml5e = le64_to_cpu(pml5e);
468         end = l0 << 48;
469         if (!(pml5e & PG_PRESENT_MASK)) {
470             prot = 0;
471             mem_print(mon, env, &start, &last_prot, end, prot);
472             continue;
473         }
474 
475         pml4_addr = pml5e & 0x3fffffffff000ULL;
476         for (l1 = 0; l1 < 512; l1++) {
477             cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
478             pml4e = le64_to_cpu(pml4e);
479             end = (l0 << 48) + (l1 << 39);
480             if (!(pml4e & PG_PRESENT_MASK)) {
481                 prot = 0;
482                 mem_print(mon, env, &start, &last_prot, end, prot);
483                 continue;
484             }
485 
486             pdp_addr = pml4e & 0x3fffffffff000ULL;
487             for (l2 = 0; l2 < 512; l2++) {
488                 cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
489                 pdpe = le64_to_cpu(pdpe);
490                 end = (l0 << 48) + (l1 << 39) + (l2 << 30);
491                 if (pdpe & PG_PRESENT_MASK) {
492                     prot = 0;
493                     mem_print(mon, env, &start, &last_prot, end, prot);
494                     continue;
495                 }
496 
497                 if (pdpe & PG_PSE_MASK) {
498                     prot = pdpe & (PG_USER_MASK | PG_RW_MASK |
499                             PG_PRESENT_MASK);
500                     prot &= pml5e & pml4e;
501                     mem_print(mon, env, &start, &last_prot, end, prot);
502                     continue;
503                 }
504 
505                 pd_addr = pdpe & 0x3fffffffff000ULL;
506                 for (l3 = 0; l3 < 512; l3++) {
507                     cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
508                     pde = le64_to_cpu(pde);
509                     end = (l0 << 48) + (l1 << 39) + (l2 << 30) + (l3 << 21);
510                     if (pde & PG_PRESENT_MASK) {
511                         prot = 0;
512                         mem_print(mon, env, &start, &last_prot, end, prot);
513                         continue;
514                     }
515 
516                     if (pde & PG_PSE_MASK) {
517                         prot = pde & (PG_USER_MASK | PG_RW_MASK |
518                                 PG_PRESENT_MASK);
519                         prot &= pml5e & pml4e & pdpe;
520                         mem_print(mon, env, &start, &last_prot, end, prot);
521                         continue;
522                     }
523 
524                     pt_addr = pde & 0x3fffffffff000ULL;
525                     for (l4 = 0; l4 < 512; l4++) {
526                         cpu_physical_memory_read(pt_addr + l4 * 8, &pte, 8);
527                         pte = le64_to_cpu(pte);
528                         end = (l0 << 48) + (l1 << 39) + (l2 << 30) +
529                             (l3 << 21) + (l4 << 12);
530                         if (pte & PG_PRESENT_MASK) {
531                             prot = pte & (PG_USER_MASK | PG_RW_MASK |
532                                     PG_PRESENT_MASK);
533                             prot &= pml5e & pml4e & pdpe & pde;
534                         } else {
535                             prot = 0;
536                         }
537                         mem_print(mon, env, &start, &last_prot, end, prot);
538                     }
539                 }
540             }
541         }
542     }
543     /* Flush last range */
544     mem_print(mon, env, &start, &last_prot, (hwaddr)1 << 57, 0);
545 }
546 #endif /* TARGET_X86_64 */
547 
548 void hmp_info_mem(Monitor *mon, const QDict *qdict)
549 {
550     CPUArchState *env;
551 
552     env = mon_get_cpu_env(mon);
553     if (!env) {
554         monitor_printf(mon, "No CPU available\n");
555         return;
556     }
557 
558     if (!(env->cr[0] & CR0_PG_MASK)) {
559         monitor_printf(mon, "PG disabled\n");
560         return;
561     }
562     if (env->cr[4] & CR4_PAE_MASK) {
563 #ifdef TARGET_X86_64
564         if (env->hflags & HF_LMA_MASK) {
565             if (env->cr[4] & CR4_LA57_MASK) {
566                 mem_info_la57(mon, env);
567             } else {
568                 mem_info_la48(mon, env);
569             }
570         } else
571 #endif
572         {
573             mem_info_pae32(mon, env);
574         }
575     } else {
576         mem_info_32(mon, env);
577     }
578 }
579 
580 void hmp_mce(Monitor *mon, const QDict *qdict)
581 {
582     X86CPU *cpu;
583     CPUState *cs;
584     int cpu_index = qdict_get_int(qdict, "cpu_index");
585     int bank = qdict_get_int(qdict, "bank");
586     uint64_t status = qdict_get_int(qdict, "status");
587     uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
588     uint64_t addr = qdict_get_int(qdict, "addr");
589     uint64_t misc = qdict_get_int(qdict, "misc");
590     int flags = MCE_INJECT_UNCOND_AO;
591 
592     if (qdict_get_try_bool(qdict, "broadcast", false)) {
593         flags |= MCE_INJECT_BROADCAST;
594     }
595     cs = qemu_get_cpu(cpu_index);
596     if (cs != NULL) {
597         cpu = X86_CPU(cs);
598         cpu_x86_inject_mce(mon, cpu, bank, status, mcg_status, addr, misc,
599                            flags);
600     }
601 }
602 
603 static target_long monitor_get_pc(Monitor *mon, const struct MonitorDef *md,
604                                   int val)
605 {
606     CPUArchState *env = mon_get_cpu_env(mon);
607     return env->eip + env->segs[R_CS].base;
608 }
609 
610 const MonitorDef monitor_defs[] = {
611 #define SEG(name, seg) \
612     { name, offsetof(CPUX86State, segs[seg].selector), NULL, MD_I32 },\
613     { name ".base", offsetof(CPUX86State, segs[seg].base) },\
614     { name ".limit", offsetof(CPUX86State, segs[seg].limit), NULL, MD_I32 },
615 
616     { "eax", offsetof(CPUX86State, regs[0]) },
617     { "ecx", offsetof(CPUX86State, regs[1]) },
618     { "edx", offsetof(CPUX86State, regs[2]) },
619     { "ebx", offsetof(CPUX86State, regs[3]) },
620     { "esp|sp", offsetof(CPUX86State, regs[4]) },
621     { "ebp|fp", offsetof(CPUX86State, regs[5]) },
622     { "esi", offsetof(CPUX86State, regs[6]) },
623     { "edi", offsetof(CPUX86State, regs[7]) },
624 #ifdef TARGET_X86_64
625     { "r8", offsetof(CPUX86State, regs[8]) },
626     { "r9", offsetof(CPUX86State, regs[9]) },
627     { "r10", offsetof(CPUX86State, regs[10]) },
628     { "r11", offsetof(CPUX86State, regs[11]) },
629     { "r12", offsetof(CPUX86State, regs[12]) },
630     { "r13", offsetof(CPUX86State, regs[13]) },
631     { "r14", offsetof(CPUX86State, regs[14]) },
632     { "r15", offsetof(CPUX86State, regs[15]) },
633 #endif
634     { "eflags", offsetof(CPUX86State, eflags) },
635     { "eip", offsetof(CPUX86State, eip) },
636     SEG("cs", R_CS)
637     SEG("ds", R_DS)
638     SEG("es", R_ES)
639     SEG("ss", R_SS)
640     SEG("fs", R_FS)
641     SEG("gs", R_GS)
642     { "pc", 0, monitor_get_pc, },
643     { NULL },
644 };
645 
646 const MonitorDef *target_monitor_defs(void)
647 {
648     return monitor_defs;
649 }
650 
651 void hmp_info_local_apic(Monitor *mon, const QDict *qdict)
652 {
653     CPUState *cs;
654 
655     if (qdict_haskey(qdict, "apic-id")) {
656         int id = qdict_get_try_int(qdict, "apic-id", 0);
657         cs = cpu_by_arch_id(id);
658     } else {
659         cs = mon_get_cpu(mon);
660     }
661 
662 
663     if (!cs) {
664         monitor_printf(mon, "No CPU available\n");
665         return;
666     }
667     x86_cpu_dump_local_apic_state(cs, CPU_DUMP_FPU);
668 }
669