target/i386/monitor.c

   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 }