| 1 | /* |
| 2 | * Human Monitor Interface commands |
| 3 | * |
| 4 | * Copyright IBM, Corp. 2011 |
| 5 | * |
| 6 | * Authors: |
| 7 | * Anthony Liguori <aliguori@us.ibm.com> |
| 8 | * |
| 9 | * This work is licensed under the terms of the GNU GPL, version 2. See |
| 10 | * the COPYING file in the top-level directory. |
| 11 | * |
| 12 | * Contributions after 2012-01-13 are licensed under the terms of the |
| 13 | * GNU GPL, version 2 or (at your option) any later version. |
| 14 | */ |
| 15 | |
| 16 | #include "qemu/osdep.h" |
| 17 | #include "qemu/base-arch-defs.h" |
| 18 | #include "system/address-spaces.h" |
| 19 | #include "system/ioport.h" |
| 20 | #include "exec/gdbstub.h" |
| 21 | #include "exec/target_page.h" |
| 22 | #include "gdbstub/enums.h" |
| 23 | #include "monitor/hmp.h" |
| 24 | #include "qemu/help_option.h" |
| 25 | #include "monitor/hmp.h" |
| 26 | #include "monitor/hmp-completion.h" |
| 27 | #include "monitor/monitor-internal.h" |
| 28 | #include "monitor/monitor-hmp-internal.h" |
| 29 | #include "monitor/qdev.h" |
| 30 | #include "qapi/error.h" |
| 31 | #include "qapi/qapi-commands-control.h" |
| 32 | #include "qapi/qapi-commands-machine.h" |
| 33 | #include "qapi/qapi-commands-misc.h" |
| 34 | #include "block/block-hmp-cmds.h" |
| 35 | #include "qobject/qdict.h" |
| 36 | #include "qemu/cutils.h" |
| 37 | #include "qemu/log.h" |
| 38 | #include "net/slirp.h" |
| 39 | #include "system/device_tree.h" |
| 40 | #include "system/hw_accel.h" |
| 41 | #include "system/memory.h" |
| 42 | #include "system/system.h" |
| 43 | #include "disas/disas.h" |
| 44 | |
| 45 | /* Please update hmp-commands.hx when adding or changing commands */ |
| 46 | #ifdef CONFIG_HMP |
| 47 | static HMPCommand hmp_info_cmds[] = { |
| 48 | #include "hmp-commands-info.h" |
| 49 | { NULL, NULL, }, |
| 50 | }; |
| 51 | |
| 52 | /* hmp_cmds and hmp_info_cmds would be sorted at runtime */ |
| 53 | static HMPCommand hmp_cmds[] = { |
| 54 | #include "hmp-commands.h" |
| 55 | { NULL, NULL, }, |
| 56 | }; |
| 57 | #else |
| 58 | static HMPCommand hmp_info_cmds[] = { { NULL, NULL, }, }; |
| 59 | static HMPCommand hmp_cmds[] = { { NULL, NULL, }, }; |
| 60 | #endif |
| 61 | |
| 62 | HMPCommand *hmp_cmds_for_target(bool info_command) |
| 63 | { |
| 64 | return info_command ? hmp_info_cmds : hmp_cmds; |
| 65 | } |
| 66 | |
| 67 | static int |
| 68 | compare_mon_cmd(const void *a, const void *b) |
| 69 | { |
| 70 | return strcmp(((const HMPCommand *)a)->name, |
| 71 | ((const HMPCommand *)b)->name); |
| 72 | } |
| 73 | |
| 74 | static void __attribute__((__constructor__)) sortcmdlist(void) |
| 75 | { |
| 76 | qsort(hmp_cmds, ARRAY_SIZE(hmp_cmds) - 1, |
| 77 | sizeof(*hmp_cmds), |
| 78 | compare_mon_cmd); |
| 79 | qsort(hmp_info_cmds, ARRAY_SIZE(hmp_info_cmds) - 1, |
| 80 | sizeof(*hmp_info_cmds), |
| 81 | compare_mon_cmd); |
| 82 | } |
| 83 | |
| 84 | bool hmp_handle_error(MonitorHMP *hmp, Error *err) |
| 85 | { |
| 86 | if (err) { |
| 87 | error_reportf_err(err, "Error: "); |
| 88 | return true; |
| 89 | } |
| 90 | return false; |
| 91 | } |
| 92 | |
| 93 | /* |
| 94 | * Split @str at comma. |
| 95 | * A null @str defaults to "". |
| 96 | */ |
| 97 | strList *hmp_split_at_comma(const char *str) |
| 98 | { |
| 99 | char **split = g_strsplit(str ?: "", ",", -1); |
| 100 | strList *res = NULL; |
| 101 | strList **tail = &res; |
| 102 | int i; |
| 103 | |
| 104 | for (i = 0; split[i]; i++) { |
| 105 | QAPI_LIST_APPEND(tail, split[i]); |
| 106 | } |
| 107 | |
| 108 | g_free(split); |
| 109 | return res; |
| 110 | } |
| 111 | |
| 112 | void hmp_info_name(MonitorHMP *hmp, const QDict *qdict) |
| 113 | { |
| 114 | NameInfo *info; |
| 115 | |
| 116 | info = qmp_query_name(NULL); |
| 117 | if (info->name) { |
| 118 | monitor_hmp_printf(hmp, "%s\n", info->name); |
| 119 | } |
| 120 | qapi_free_NameInfo(info); |
| 121 | } |
| 122 | |
| 123 | void hmp_info_version(MonitorHMP *hmp, const QDict *qdict) |
| 124 | { |
| 125 | VersionInfo *info; |
| 126 | |
| 127 | info = qmp_query_version(NULL); |
| 128 | |
| 129 | monitor_hmp_printf(hmp, "%" PRId64 ".%" PRId64 ".%" PRId64 "%s\n", |
| 130 | info->qemu->major, info->qemu->minor, info->qemu->micro, |
| 131 | info->package); |
| 132 | |
| 133 | qapi_free_VersionInfo(info); |
| 134 | } |
| 135 | |
| 136 | void hmp_quit(MonitorHMP *hmp, const QDict *qdict) |
| 137 | { |
| 138 | Monitor *mon = MONITOR(hmp); |
| 139 | if (hmp->use_readline) { |
| 140 | monitor_suspend(mon); |
| 141 | } |
| 142 | qmp_quit(NULL); |
| 143 | } |
| 144 | |
| 145 | void hmp_stop(MonitorHMP *hmp, const QDict *qdict) |
| 146 | { |
| 147 | qmp_stop(NULL); |
| 148 | } |
| 149 | |
| 150 | void hmp_sync_profile(MonitorHMP *hmp, const QDict *qdict) |
| 151 | { |
| 152 | const char *op = qdict_get_try_str(qdict, "op"); |
| 153 | |
| 154 | if (op == NULL) { |
| 155 | bool on = qsp_is_enabled(); |
| 156 | |
| 157 | monitor_hmp_printf(hmp, "sync-profile is %s\n", on ? "on" : "off"); |
| 158 | return; |
| 159 | } |
| 160 | if (!strcmp(op, "on")) { |
| 161 | qsp_enable(); |
| 162 | } else if (!strcmp(op, "off")) { |
| 163 | qsp_disable(); |
| 164 | } else if (!strcmp(op, "reset")) { |
| 165 | qsp_reset(); |
| 166 | } else { |
| 167 | Error *err = NULL; |
| 168 | |
| 169 | error_setg(&err, "invalid parameter '%s'," |
| 170 | " expecting 'on', 'off', or 'reset'", op); |
| 171 | hmp_handle_error(hmp, err); |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | void hmp_exit_preconfig(MonitorHMP *hmp, const QDict *qdict) |
| 176 | { |
| 177 | Error *err = NULL; |
| 178 | |
| 179 | qmp_x_exit_preconfig(&err); |
| 180 | hmp_handle_error(hmp, err); |
| 181 | } |
| 182 | |
| 183 | void hmp_cpu(MonitorHMP *hmp, const QDict *qdict) |
| 184 | { |
| 185 | int64_t cpu_index; |
| 186 | |
| 187 | /* XXX: drop the monitor_hmp_set_cpu() usage when all HMP commands that |
| 188 | use it are converted to the QAPI */ |
| 189 | cpu_index = qdict_get_int(qdict, "index"); |
| 190 | if (monitor_hmp_set_cpu(hmp, cpu_index) < 0) { |
| 191 | monitor_hmp_printf(hmp, "invalid CPU index\n"); |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | void hmp_cont(MonitorHMP *hmp, const QDict *qdict) |
| 196 | { |
| 197 | Error *err = NULL; |
| 198 | |
| 199 | qmp_cont(&err); |
| 200 | hmp_handle_error(hmp, err); |
| 201 | } |
| 202 | |
| 203 | void hmp_change(MonitorHMP *hmp, const QDict *qdict) |
| 204 | { |
| 205 | const char *device = qdict_get_str(qdict, "device"); |
| 206 | const char *target = qdict_get_str(qdict, "target"); |
| 207 | const char *arg = qdict_get_try_str(qdict, "arg"); |
| 208 | const char *read_only = qdict_get_try_str(qdict, "read-only-mode"); |
| 209 | bool force = qdict_get_try_bool(qdict, "force", false); |
| 210 | Error *err = NULL; |
| 211 | |
| 212 | #ifdef CONFIG_VNC |
| 213 | if (strcmp(device, "vnc") == 0) { |
| 214 | hmp_change_vnc(hmp, device, target, arg, read_only, force, &err); |
| 215 | } else |
| 216 | #endif |
| 217 | { |
| 218 | hmp_change_medium(hmp, device, target, arg, read_only, force, &err); |
| 219 | } |
| 220 | |
| 221 | hmp_handle_error(hmp, err); |
| 222 | } |
| 223 | |
| 224 | #ifdef CONFIG_POSIX |
| 225 | void hmp_getfd(MonitorHMP *hmp, const QDict *qdict) |
| 226 | { |
| 227 | const char *fdname = qdict_get_str(qdict, "fdname"); |
| 228 | Error *err = NULL; |
| 229 | |
| 230 | qmp_getfd(fdname, &err); |
| 231 | hmp_handle_error(hmp, err); |
| 232 | } |
| 233 | #endif |
| 234 | |
| 235 | void hmp_closefd(MonitorHMP *hmp, const QDict *qdict) |
| 236 | { |
| 237 | const char *fdname = qdict_get_str(qdict, "fdname"); |
| 238 | Error *err = NULL; |
| 239 | |
| 240 | qmp_closefd(fdname, &err); |
| 241 | hmp_handle_error(hmp, err); |
| 242 | } |
| 243 | |
| 244 | void hmp_info_iothreads(MonitorHMP *hmp, const QDict *qdict) |
| 245 | { |
| 246 | IOThreadInfoList *info_list = qmp_query_iothreads(NULL); |
| 247 | IOThreadInfoList *info; |
| 248 | IOThreadInfo *value; |
| 249 | |
| 250 | for (info = info_list; info; info = info->next) { |
| 251 | value = info->value; |
| 252 | monitor_hmp_printf(hmp, "%s:\n", value->id); |
| 253 | monitor_hmp_printf(hmp, " thread_id=%" PRId64 "\n", value->thread_id); |
| 254 | monitor_hmp_printf(hmp, " poll-max-ns=%" PRId64 "\n", value->poll_max_ns); |
| 255 | monitor_hmp_printf(hmp, " poll-grow=%" PRId64 "\n", value->poll_grow); |
| 256 | monitor_hmp_printf(hmp, " poll-shrink=%" PRId64 "\n", value->poll_shrink); |
| 257 | monitor_hmp_printf(hmp, " poll-weight=%" PRId64 "\n", value->poll_weight); |
| 258 | monitor_hmp_printf(hmp, " aio-max-batch=%" PRId64 "\n", |
| 259 | value->aio_max_batch); |
| 260 | } |
| 261 | |
| 262 | qapi_free_IOThreadInfoList(info_list); |
| 263 | } |
| 264 | |
| 265 | void hmp_help(MonitorHMP *hmp, const QDict *qdict) |
| 266 | { |
| 267 | hmp_help_cmd(hmp, qdict_get_try_str(qdict, "name")); |
| 268 | } |
| 269 | |
| 270 | void hmp_clear(MonitorHMP *hmp, const QDict *qdict) |
| 271 | { |
| 272 | /* |
| 273 | * Send an ANSI escape sequence: |
| 274 | * "\x1b[H" - move cursor to top-left |
| 275 | * "\x1b[2J" - clear visible screen |
| 276 | * "\x1b[3J" - clear scrollback |
| 277 | */ |
| 278 | monitor_hmp_printf(hmp, "\x1b[H\x1b[2J\x1b[3J"); |
| 279 | } |
| 280 | |
| 281 | void hmp_info_help(MonitorHMP *hmp, const QDict *qdict) |
| 282 | { |
| 283 | hmp_help_cmd(hmp, "info"); |
| 284 | } |
| 285 | |
| 286 | void hmp_info_sync_profile(MonitorHMP *hmp, const QDict *qdict) |
| 287 | { |
| 288 | int64_t max = qdict_get_try_int(qdict, "max", 10); |
| 289 | bool mean = qdict_get_try_bool(qdict, "mean", false); |
| 290 | bool coalesce = !qdict_get_try_bool(qdict, "no_coalesce", false); |
| 291 | enum QSPSortBy sort_by; |
| 292 | |
| 293 | sort_by = mean ? QSP_SORT_BY_AVG_WAIT_TIME : QSP_SORT_BY_TOTAL_WAIT_TIME; |
| 294 | qsp_report(max, sort_by, coalesce); |
| 295 | } |
| 296 | |
| 297 | void hmp_info_history(MonitorHMP *hmp, const QDict *qdict) |
| 298 | { |
| 299 | int i; |
| 300 | const char *str; |
| 301 | |
| 302 | if (!hmp->rs) { |
| 303 | return; |
| 304 | } |
| 305 | i = 0; |
| 306 | for(;;) { |
| 307 | str = readline_get_history(hmp->rs, i); |
| 308 | if (!str) { |
| 309 | break; |
| 310 | } |
| 311 | monitor_hmp_printf(hmp, "%d: '%s'\n", i, str); |
| 312 | i++; |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | void hmp_logfile(MonitorHMP *hmp, const QDict *qdict) |
| 317 | { |
| 318 | Error *err = NULL; |
| 319 | |
| 320 | if (!qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err)) { |
| 321 | error_report_err(err); |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | void hmp_log(MonitorHMP *hmp, const QDict *qdict) |
| 326 | { |
| 327 | int mask; |
| 328 | const char *items = qdict_get_str(qdict, "items"); |
| 329 | Error *err = NULL; |
| 330 | |
| 331 | if (!strcmp(items, "none")) { |
| 332 | mask = 0; |
| 333 | } else { |
| 334 | mask = qemu_str_to_log_mask(items); |
| 335 | if (!mask) { |
| 336 | hmp_help_cmd(hmp, "log"); |
| 337 | return; |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | if (!qemu_set_log(mask, &err)) { |
| 342 | error_report_err(err); |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | void hmp_gdbserver(MonitorHMP *hmp, const QDict *qdict) |
| 347 | { |
| 348 | Error *err = NULL; |
| 349 | const char *device = qdict_get_try_str(qdict, "device"); |
| 350 | |
| 351 | if (!device) { |
| 352 | device = "tcp::" DEFAULT_GDBSTUB_PORT; |
| 353 | } |
| 354 | |
| 355 | if (!gdbserver_start(device, &err)) { |
| 356 | error_report_err(err); |
| 357 | } else if (strcmp(device, "none") == 0) { |
| 358 | monitor_hmp_printf(hmp, "Disabled gdbserver\n"); |
| 359 | } else { |
| 360 | monitor_hmp_printf(hmp, "Waiting for gdb connection on device '%s'\n", |
| 361 | device); |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | void hmp_print(MonitorHMP *hmp, const QDict *qdict) |
| 366 | { |
| 367 | int format = qdict_get_int(qdict, "format"); |
| 368 | hwaddr val = qdict_get_int(qdict, "val"); |
| 369 | |
| 370 | switch(format) { |
| 371 | case 'o': |
| 372 | monitor_hmp_printf(hmp, "0x%" HWADDR_PRIo, val); |
| 373 | break; |
| 374 | case 'x': |
| 375 | monitor_hmp_printf(hmp, "0x%" HWADDR_PRIx, val); |
| 376 | break; |
| 377 | case 'u': |
| 378 | monitor_hmp_printf(hmp, "%" HWADDR_PRIu, val); |
| 379 | break; |
| 380 | default: |
| 381 | case 'd': |
| 382 | monitor_hmp_printf(hmp, "%" HWADDR_PRId, val); |
| 383 | break; |
| 384 | case 'c': |
| 385 | monitor_hmp_printc(hmp, val); |
| 386 | break; |
| 387 | } |
| 388 | monitor_hmp_printf(hmp, "\n"); |
| 389 | } |
| 390 | |
| 391 | void hmp_sum(MonitorHMP *hmp, const QDict *qdict) |
| 392 | { |
| 393 | uint32_t addr; |
| 394 | uint16_t sum; |
| 395 | uint32_t start = qdict_get_int(qdict, "start"); |
| 396 | uint32_t size = qdict_get_int(qdict, "size"); |
| 397 | |
| 398 | sum = 0; |
| 399 | for(addr = start; addr < (start + size); addr++) { |
| 400 | uint8_t val = address_space_ldub(&address_space_memory, addr, |
| 401 | MEMTXATTRS_UNSPECIFIED, NULL); |
| 402 | /* BSD sum algorithm ('sum' Unix command) */ |
| 403 | sum = (sum >> 1) | (sum << 15); |
| 404 | sum += val; |
| 405 | } |
| 406 | monitor_hmp_printf(hmp, "%05d\n", sum); |
| 407 | } |
| 408 | |
| 409 | void hmp_ioport_read(MonitorHMP *hmp, const QDict *qdict) |
| 410 | { |
| 411 | int size = qdict_get_int(qdict, "size"); |
| 412 | int addr = qdict_get_int(qdict, "addr"); |
| 413 | int has_index = qdict_haskey(qdict, "index"); |
| 414 | uint32_t val; |
| 415 | int suffix; |
| 416 | |
| 417 | if (has_index) { |
| 418 | int index = qdict_get_int(qdict, "index"); |
| 419 | cpu_outb(addr & IOPORTS_MASK, index & 0xff); |
| 420 | addr++; |
| 421 | } |
| 422 | addr &= 0xffff; |
| 423 | |
| 424 | switch(size) { |
| 425 | default: |
| 426 | case 1: |
| 427 | val = cpu_inb(addr); |
| 428 | suffix = 'b'; |
| 429 | break; |
| 430 | case 2: |
| 431 | val = cpu_inw(addr); |
| 432 | suffix = 'w'; |
| 433 | break; |
| 434 | case 4: |
| 435 | val = cpu_inl(addr); |
| 436 | suffix = 'l'; |
| 437 | break; |
| 438 | } |
| 439 | monitor_hmp_printf(hmp, "port%c[0x%04x] = 0x%0*x\n", |
| 440 | suffix, addr, size * 2, val); |
| 441 | } |
| 442 | |
| 443 | void hmp_ioport_write(MonitorHMP *hmp, const QDict *qdict) |
| 444 | { |
| 445 | int size = qdict_get_int(qdict, "size"); |
| 446 | int addr = qdict_get_int(qdict, "addr"); |
| 447 | int val = qdict_get_int(qdict, "val"); |
| 448 | |
| 449 | addr &= IOPORTS_MASK; |
| 450 | |
| 451 | switch (size) { |
| 452 | default: |
| 453 | case 1: |
| 454 | cpu_outb(addr, val); |
| 455 | break; |
| 456 | case 2: |
| 457 | cpu_outw(addr, val); |
| 458 | break; |
| 459 | case 4: |
| 460 | cpu_outl(addr, val); |
| 461 | break; |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | void hmp_boot_set(MonitorHMP *hmp, const QDict *qdict) |
| 466 | { |
| 467 | Error *local_err = NULL; |
| 468 | const char *bootdevice = qdict_get_str(qdict, "bootdevice"); |
| 469 | |
| 470 | qemu_boot_set(bootdevice, &local_err); |
| 471 | if (local_err) { |
| 472 | error_report_err(local_err); |
| 473 | } else { |
| 474 | monitor_hmp_printf(hmp, "boot device list now set to %s\n", bootdevice); |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | void hmp_info_mtree(MonitorHMP *hmp, const QDict *qdict) |
| 479 | { |
| 480 | bool flatview = qdict_get_try_bool(qdict, "flatview", false); |
| 481 | bool dispatch_tree = qdict_get_try_bool(qdict, "dispatch_tree", false); |
| 482 | bool owner = qdict_get_try_bool(qdict, "owner", false); |
| 483 | bool disabled = qdict_get_try_bool(qdict, "disabled", false); |
| 484 | |
| 485 | mtree_info(flatview, dispatch_tree, owner, disabled); |
| 486 | } |
| 487 | |
| 488 | #if defined(CONFIG_FDT) |
| 489 | void hmp_dumpdtb(MonitorHMP *hmp, const QDict *qdict) |
| 490 | { |
| 491 | const char *filename = qdict_get_str(qdict, "filename"); |
| 492 | Error *local_err = NULL; |
| 493 | |
| 494 | qmp_dumpdtb(filename, &local_err); |
| 495 | |
| 496 | if (hmp_handle_error(hmp, local_err)) { |
| 497 | return; |
| 498 | } |
| 499 | |
| 500 | monitor_hmp_printf(hmp, "DTB dumped to '%s'\n", filename); |
| 501 | } |
| 502 | #endif |
| 503 | |
| 504 | /* Set the current CPU defined by the user. Callers must hold BQL. */ |
| 505 | int monitor_hmp_set_cpu(MonitorHMP *hmp, int cpu_index) |
| 506 | { |
| 507 | CPUState *cpu; |
| 508 | |
| 509 | cpu = qemu_get_cpu(cpu_index); |
| 510 | if (cpu == NULL) { |
| 511 | return -1; |
| 512 | } |
| 513 | g_free(hmp->mon_cpu_path); |
| 514 | hmp->mon_cpu_path = object_get_canonical_path(OBJECT(cpu)); |
| 515 | return 0; |
| 516 | } |
| 517 | |
| 518 | /* Callers must hold BQL. */ |
| 519 | static CPUState *monitor_hmp_get_cpu_sync(MonitorHMP *hmp, bool synchronize) |
| 520 | { |
| 521 | CPUState *cpu = NULL; |
| 522 | |
| 523 | if (hmp->mon_cpu_path) { |
| 524 | cpu = (CPUState *) object_resolve_path_type(hmp->mon_cpu_path, |
| 525 | TYPE_CPU, NULL); |
| 526 | if (!cpu) { |
| 527 | g_free(hmp->mon_cpu_path); |
| 528 | hmp->mon_cpu_path = NULL; |
| 529 | } |
| 530 | } |
| 531 | if (!hmp->mon_cpu_path) { |
| 532 | if (!first_cpu) { |
| 533 | return NULL; |
| 534 | } |
| 535 | monitor_hmp_set_cpu(hmp, first_cpu->cpu_index); |
| 536 | cpu = first_cpu; |
| 537 | } |
| 538 | assert(cpu != NULL); |
| 539 | if (synchronize) { |
| 540 | cpu_synchronize_state(cpu); |
| 541 | } |
| 542 | return cpu; |
| 543 | } |
| 544 | |
| 545 | CPUState *monitor_hmp_get_cpu(MonitorHMP *hmp) |
| 546 | { |
| 547 | return monitor_hmp_get_cpu_sync(hmp, true); |
| 548 | } |
| 549 | |
| 550 | CPUArchState *monitor_hmp_get_cpu_env(MonitorHMP *hmp) |
| 551 | { |
| 552 | CPUState *cs = monitor_hmp_get_cpu(hmp); |
| 553 | |
| 554 | return cs ? cpu_env(cs) : NULL; |
| 555 | } |
| 556 | |
| 557 | int monitor_hmp_get_cpu_index(MonitorHMP *hmp) |
| 558 | { |
| 559 | CPUState *cs = monitor_hmp_get_cpu_sync(hmp, false); |
| 560 | |
| 561 | return cs ? cs->cpu_index : UNASSIGNED_CPU_INDEX; |
| 562 | } |
| 563 | |
| 564 | void hmp_info_registers(MonitorHMP *hmp, const QDict *qdict) |
| 565 | { |
| 566 | bool all_cpus = qdict_get_try_bool(qdict, "cpustate_all", false); |
| 567 | int vcpu = qdict_get_try_int(qdict, "vcpu", -1); |
| 568 | CPUState *cs; |
| 569 | |
| 570 | if (all_cpus) { |
| 571 | CPU_FOREACH(cs) { |
| 572 | monitor_hmp_printf(hmp, "\nCPU#%d\n", cs->cpu_index); |
| 573 | cpu_dump_state(cs, NULL, CPU_DUMP_FPU | CPU_DUMP_VPU); |
| 574 | } |
| 575 | } else { |
| 576 | cs = vcpu >= 0 ? qemu_get_cpu(vcpu) : monitor_hmp_get_cpu(hmp); |
| 577 | |
| 578 | if (!cs) { |
| 579 | if (vcpu >= 0) { |
| 580 | monitor_hmp_printf(hmp, "CPU#%d not available\n", vcpu); |
| 581 | } else { |
| 582 | monitor_hmp_printf(hmp, "No CPU available\n"); |
| 583 | } |
| 584 | return; |
| 585 | } |
| 586 | |
| 587 | monitor_hmp_printf(hmp, "\nCPU#%d\n", cs->cpu_index); |
| 588 | cpu_dump_state(cs, NULL, CPU_DUMP_FPU | CPU_DUMP_VPU); |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | static void memory_dump(MonitorHMP *hmp, int count, int format, int wsize, |
| 593 | uint64_t addr, bool is_physical) |
| 594 | { |
| 595 | int l, line_size, i, max_digits, len; |
| 596 | uint8_t buf[16]; |
| 597 | uint64_t v; |
| 598 | CPUState *cs = monitor_hmp_get_cpu(hmp); |
| 599 | const unsigned int addr_width = is_physical ? 8 : (target_long_bits() / 4); |
| 600 | const bool big_endian = target_big_endian(); |
| 601 | |
| 602 | if (!cs && (format == 'i' || !is_physical)) { |
| 603 | monitor_hmp_printf(hmp, "Can not dump without CPU\n"); |
| 604 | return; |
| 605 | } |
| 606 | |
| 607 | if (format == 'i') { |
| 608 | monitor_disas(hmp, cs, addr, count, is_physical); |
| 609 | return; |
| 610 | } |
| 611 | |
| 612 | len = wsize * count; |
| 613 | if (wsize == 1) { |
| 614 | line_size = 8; |
| 615 | } else { |
| 616 | line_size = 16; |
| 617 | } |
| 618 | max_digits = 0; |
| 619 | |
| 620 | switch (format) { |
| 621 | case 'o': |
| 622 | max_digits = DIV_ROUND_UP(wsize * 8, 3); |
| 623 | break; |
| 624 | default: |
| 625 | case 'x': |
| 626 | max_digits = (wsize * 8) / 4; |
| 627 | break; |
| 628 | case 'u': |
| 629 | case 'd': |
| 630 | max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33); |
| 631 | break; |
| 632 | case 'c': |
| 633 | wsize = 1; |
| 634 | break; |
| 635 | } |
| 636 | |
| 637 | while (len > 0) { |
| 638 | monitor_hmp_printf(hmp, "%0*" PRIx64 ":", addr_width, addr); |
| 639 | l = len; |
| 640 | if (l > line_size) { |
| 641 | l = line_size; |
| 642 | } |
| 643 | if (is_physical) { |
| 644 | AddressSpace *as = cs ? cs->as : &address_space_memory; |
| 645 | MemTxResult r = address_space_read(as, addr, |
| 646 | MEMTXATTRS_UNSPECIFIED, buf, l); |
| 647 | if (r != MEMTX_OK) { |
| 648 | monitor_hmp_printf(hmp, " Cannot access memory\n"); |
| 649 | break; |
| 650 | } |
| 651 | } else { |
| 652 | if (cpu_memory_rw_debug(cs, addr, buf, l, 0) < 0) { |
| 653 | monitor_hmp_printf(hmp, " Cannot access memory\n"); |
| 654 | break; |
| 655 | } |
| 656 | } |
| 657 | i = 0; |
| 658 | while (i < l) { |
| 659 | switch (wsize) { |
| 660 | default: |
| 661 | case 1: |
| 662 | v = ldub_p(buf + i); |
| 663 | break; |
| 664 | case 2: |
| 665 | v = (big_endian ? lduw_be_p : lduw_le_p)(buf + i); |
| 666 | break; |
| 667 | case 4: |
| 668 | v = (uint32_t)(big_endian ? ldl_be_p : ldl_le_p)(buf + i); |
| 669 | break; |
| 670 | case 8: |
| 671 | v = (big_endian ? ldq_be_p : ldq_le_p)(buf + i); |
| 672 | break; |
| 673 | } |
| 674 | monitor_hmp_printf(hmp, " "); |
| 675 | switch (format) { |
| 676 | case 'o': |
| 677 | monitor_hmp_printf(hmp, "0%*" PRIo64, max_digits, v); |
| 678 | break; |
| 679 | case 'x': |
| 680 | monitor_hmp_printf(hmp, "0x%0*" PRIx64, max_digits, v); |
| 681 | break; |
| 682 | case 'u': |
| 683 | monitor_hmp_printf(hmp, "%*" PRIu64, max_digits, v); |
| 684 | break; |
| 685 | case 'd': |
| 686 | monitor_hmp_printf(hmp, "%*" PRId64, max_digits, v); |
| 687 | break; |
| 688 | case 'c': |
| 689 | monitor_hmp_printc(hmp, v); |
| 690 | break; |
| 691 | } |
| 692 | i += wsize; |
| 693 | } |
| 694 | monitor_hmp_printf(hmp, "\n"); |
| 695 | addr += l; |
| 696 | len -= l; |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | void hmp_memory_dump(MonitorHMP *hmp, const QDict *qdict) |
| 701 | { |
| 702 | int count = qdict_get_int(qdict, "count"); |
| 703 | int format = qdict_get_int(qdict, "format"); |
| 704 | int size = qdict_get_int(qdict, "size"); |
| 705 | vaddr addr = qdict_get_int(qdict, "addr"); |
| 706 | |
| 707 | memory_dump(hmp, count, format, size, addr, false); |
| 708 | } |
| 709 | |
| 710 | void hmp_physical_memory_dump(MonitorHMP *hmp, const QDict *qdict) |
| 711 | { |
| 712 | int count = qdict_get_int(qdict, "count"); |
| 713 | int format = qdict_get_int(qdict, "format"); |
| 714 | int size = qdict_get_int(qdict, "size"); |
| 715 | hwaddr addr = qdict_get_int(qdict, "addr"); |
| 716 | |
| 717 | memory_dump(hmp, count, format, size, addr, true); |
| 718 | } |
| 719 | |
| 720 | void hmp_gpa2hva(MonitorHMP *hmp, const QDict *qdict) |
| 721 | { |
| 722 | hwaddr addr = qdict_get_int(qdict, "addr"); |
| 723 | Error *local_err = NULL; |
| 724 | MemoryRegion *mr = NULL; |
| 725 | void *ptr; |
| 726 | |
| 727 | ptr = gpa2hva(&mr, addr, 1, &local_err); |
| 728 | if (local_err) { |
| 729 | error_report_err(local_err); |
| 730 | return; |
| 731 | } |
| 732 | |
| 733 | monitor_hmp_printf(hmp, "Host virtual address for 0x%" HWADDR_PRIx |
| 734 | " (%s) is %p\n", |
| 735 | addr, mr->name, ptr); |
| 736 | |
| 737 | memory_region_unref(mr); |
| 738 | } |
| 739 | |
| 740 | void hmp_gva2gpa(MonitorHMP *hmp, const QDict *qdict) |
| 741 | { |
| 742 | vaddr addr = qdict_get_int(qdict, "addr"); |
| 743 | CPUState *cs = monitor_hmp_get_cpu(hmp); |
| 744 | TranslateForDebugResult tres; |
| 745 | |
| 746 | if (!cs) { |
| 747 | monitor_hmp_printf(hmp, "No cpu\n"); |
| 748 | return; |
| 749 | } |
| 750 | |
| 751 | if (!cpu_translate_for_debug(cs, addr, &tres)) { |
| 752 | monitor_hmp_printf(hmp, "Unmapped\n"); |
| 753 | } else { |
| 754 | monitor_hmp_printf(hmp, "gpa: 0x%" HWADDR_PRIx "\n", tres.physaddr); |
| 755 | } |
| 756 | } |
| 757 | |
| 758 | #ifdef CONFIG_LINUX |
| 759 | static uint64_t vtop(void *ptr, Error **errp) |
| 760 | { |
| 761 | uint64_t pinfo; |
| 762 | uint64_t ret = -1; |
| 763 | uintptr_t addr = (uintptr_t) ptr; |
| 764 | uintptr_t pagesize = qemu_real_host_page_size(); |
| 765 | off_t offset = addr / pagesize * sizeof(pinfo); |
| 766 | int fd; |
| 767 | |
| 768 | fd = open("/proc/self/pagemap", O_RDONLY); |
| 769 | if (fd == -1) { |
| 770 | error_setg_file_open(errp, errno, "/proc/self/pagemap"); |
| 771 | return -1; |
| 772 | } |
| 773 | |
| 774 | /* Force copy-on-write if necessary. */ |
| 775 | qatomic_add((uint8_t *)ptr, 0); |
| 776 | |
| 777 | if (pread(fd, &pinfo, sizeof(pinfo), offset) != sizeof(pinfo)) { |
| 778 | error_setg_errno(errp, errno, "Cannot read pagemap"); |
| 779 | goto out; |
| 780 | } |
| 781 | if ((pinfo & (1ull << 63)) == 0) { |
| 782 | error_setg(errp, "Page not present"); |
| 783 | goto out; |
| 784 | } |
| 785 | ret = (pinfo & 0x007fffffffffffffull) * pagesize; |
| 786 | ret |= addr & (pagesize - 1); |
| 787 | |
| 788 | out: |
| 789 | close(fd); |
| 790 | return ret; |
| 791 | } |
| 792 | |
| 793 | void hmp_gpa2hpa(MonitorHMP *hmp, const QDict *qdict) |
| 794 | { |
| 795 | hwaddr addr = qdict_get_int(qdict, "addr"); |
| 796 | Error *local_err = NULL; |
| 797 | MemoryRegion *mr = NULL; |
| 798 | void *ptr; |
| 799 | uint64_t physaddr; |
| 800 | |
| 801 | ptr = gpa2hva(&mr, addr, 1, &local_err); |
| 802 | if (local_err) { |
| 803 | error_report_err(local_err); |
| 804 | return; |
| 805 | } |
| 806 | |
| 807 | physaddr = vtop(ptr, &local_err); |
| 808 | if (local_err) { |
| 809 | error_report_err(local_err); |
| 810 | } else { |
| 811 | monitor_hmp_printf(hmp, "Host physical address for 0x%" HWADDR_PRIx |
| 812 | " (%s) is 0x%" PRIx64 "\n", |
| 813 | addr, mr->name, (uint64_t) physaddr); |
| 814 | } |
| 815 | |
| 816 | memory_region_unref(mr); |
| 817 | } |
| 818 | #endif |