1 | /* |
2 | * QEMU System Emulator |
3 | * |
4 | * Copyright (c) 2003-2008 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 "qemu-common.h" |
27 | #include "qemu/units.h" |
28 | #include "hw/qdev-properties.h" |
29 | #include "qapi/error.h" |
30 | #include "qemu-version.h" |
31 | #include "qemu/cutils.h" |
32 | #include "qemu/help_option.h" |
33 | #include "qemu/uuid.h" |
34 | #include "sysemu/reset.h" |
35 | #include "sysemu/runstate.h" |
36 | #include "sysemu/seccomp.h" |
37 | #include "sysemu/tcg.h" |
38 | |
39 | #ifdef CONFIG_SDL |
40 | #if defined(__APPLE__) || defined(main) |
41 | #include <SDL.h> |
42 | int qemu_main(int argc, char **argv, char **envp); |
43 | int main(int argc, char **argv) |
44 | { |
45 | return qemu_main(argc, argv, NULL); |
46 | } |
47 | #undef main |
48 | #define main qemu_main |
49 | #endif |
50 | #endif /* CONFIG_SDL */ |
51 | |
52 | #ifdef CONFIG_COCOA |
53 | #undef main |
54 | #define main qemu_main |
55 | #endif /* CONFIG_COCOA */ |
56 | |
57 | |
58 | #include "qemu/error-report.h" |
59 | #include "qemu/sockets.h" |
60 | #include "sysemu/accel.h" |
61 | #include "hw/usb.h" |
62 | #include "hw/isa/isa.h" |
63 | #include "hw/scsi/scsi.h" |
64 | #include "hw/display/vga.h" |
65 | #include "hw/bt.h" |
66 | #include "sysemu/watchdog.h" |
67 | #include "hw/firmware/smbios.h" |
68 | #include "hw/acpi/acpi.h" |
69 | #include "hw/xen/xen.h" |
70 | #include "hw/loader.h" |
71 | #include "monitor/qdev.h" |
72 | #include "sysemu/bt.h" |
73 | #include "net/net.h" |
74 | #include "net/slirp.h" |
75 | #include "monitor/monitor.h" |
76 | #include "ui/console.h" |
77 | #include "ui/input.h" |
78 | #include "sysemu/sysemu.h" |
79 | #include "sysemu/numa.h" |
80 | #include "exec/gdbstub.h" |
81 | #include "qemu/timer.h" |
82 | #include "chardev/char.h" |
83 | #include "qemu/bitmap.h" |
84 | #include "qemu/log.h" |
85 | #include "sysemu/blockdev.h" |
86 | #include "hw/block/block.h" |
87 | #include "migration/misc.h" |
88 | #include "migration/snapshot.h" |
89 | #include "migration/global_state.h" |
90 | #include "sysemu/tpm.h" |
91 | #include "sysemu/dma.h" |
92 | #include "hw/audio/soundhw.h" |
93 | #include "audio/audio.h" |
94 | #include "sysemu/cpus.h" |
95 | #include "migration/colo.h" |
96 | #include "migration/postcopy-ram.h" |
97 | #include "sysemu/kvm.h" |
98 | #include "sysemu/hax.h" |
99 | #include "qapi/qobject-input-visitor.h" |
100 | #include "qemu/option.h" |
101 | #include "qemu/config-file.h" |
102 | #include "qemu-options.h" |
103 | #include "qemu/main-loop.h" |
104 | #ifdef CONFIG_VIRTFS |
105 | #include "fsdev/qemu-fsdev.h" |
106 | #endif |
107 | #include "sysemu/qtest.h" |
108 | |
109 | #include "disas/disas.h" |
110 | |
111 | #include "trace-root.h" |
112 | #include "trace/control.h" |
113 | #include "qemu/queue.h" |
114 | #include "sysemu/arch_init.h" |
115 | |
116 | #include "ui/qemu-spice.h" |
117 | #include "qapi/string-input-visitor.h" |
118 | #include "qapi/opts-visitor.h" |
119 | #include "qapi/clone-visitor.h" |
120 | #include "qom/object_interfaces.h" |
121 | #include "hw/semihosting/semihost.h" |
122 | #include "crypto/init.h" |
123 | #include "sysemu/replay.h" |
124 | #include "qapi/qapi-events-run-state.h" |
125 | #include "qapi/qapi-visit-block-core.h" |
126 | #include "qapi/qapi-visit-ui.h" |
127 | #include "qapi/qapi-commands-block-core.h" |
128 | #include "qapi/qapi-commands-run-state.h" |
129 | #include "qapi/qapi-commands-ui.h" |
130 | #include "qapi/qmp/qerror.h" |
131 | #include "sysemu/iothread.h" |
132 | #include "qemu/guest-random.h" |
133 | |
134 | #define MAX_VIRTIO_CONSOLES 1 |
135 | |
136 | static const char *data_dir[16]; |
137 | static int data_dir_idx; |
138 | const char *bios_name = NULL; |
139 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; |
140 | int display_opengl; |
141 | const char* keyboard_layout = NULL; |
142 | ram_addr_t ram_size; |
143 | const char *mem_path = NULL; |
144 | int mem_prealloc = 0; /* force preallocation of physical target memory */ |
145 | bool enable_mlock = false; |
146 | bool enable_cpu_pm = false; |
147 | int nb_nics; |
148 | NICInfo nd_table[MAX_NICS]; |
149 | int autostart; |
150 | static enum { |
151 | RTC_BASE_UTC, |
152 | RTC_BASE_LOCALTIME, |
153 | RTC_BASE_DATETIME, |
154 | } rtc_base_type = RTC_BASE_UTC; |
155 | static time_t rtc_ref_start_datetime; |
156 | static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */ |
157 | static int rtc_host_datetime_offset = -1; /* valid & used only with |
158 | RTC_BASE_DATETIME */ |
159 | QEMUClockType rtc_clock; |
160 | int vga_interface_type = VGA_NONE; |
161 | static DisplayOptions dpy; |
162 | static int num_serial_hds; |
163 | static Chardev **serial_hds; |
164 | Chardev *parallel_hds[MAX_PARALLEL_PORTS]; |
165 | int win2k_install_hack = 0; |
166 | int singlestep = 0; |
167 | int acpi_enabled = 1; |
168 | int no_hpet = 0; |
169 | int fd_bootchk = 1; |
170 | static int no_reboot; |
171 | int no_shutdown = 0; |
172 | int cursor_hide = 1; |
173 | int graphic_rotate = 0; |
174 | const char *watchdog; |
175 | QEMUOptionRom option_rom[MAX_OPTION_ROMS]; |
176 | int nb_option_roms; |
177 | int old_param = 0; |
178 | const char *qemu_name; |
179 | int alt_grab = 0; |
180 | int ctrl_grab = 0; |
181 | unsigned int nb_prom_envs = 0; |
182 | const char *prom_envs[MAX_PROM_ENVS]; |
183 | int ; |
184 | bool boot_strict; |
185 | uint8_t *boot_splash_filedata; |
186 | int only_migratable; /* turn it off unless user states otherwise */ |
187 | bool wakeup_suspend_enabled; |
188 | |
189 | int icount_align_option; |
190 | |
191 | /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the |
192 | * little-endian "wire format" described in the SMBIOS 2.6 specification. |
193 | */ |
194 | QemuUUID qemu_uuid; |
195 | bool qemu_uuid_set; |
196 | |
197 | static NotifierList exit_notifiers = |
198 | NOTIFIER_LIST_INITIALIZER(exit_notifiers); |
199 | |
200 | static NotifierList machine_init_done_notifiers = |
201 | NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers); |
202 | |
203 | bool xen_allowed; |
204 | uint32_t xen_domid; |
205 | enum xen_mode xen_mode = XEN_EMULATE; |
206 | bool xen_domid_restrict; |
207 | |
208 | static int has_defaults = 1; |
209 | static int default_serial = 1; |
210 | static int default_parallel = 1; |
211 | static int default_monitor = 1; |
212 | static int default_floppy = 1; |
213 | static int default_cdrom = 1; |
214 | static int default_sdcard = 1; |
215 | static int default_vga = 1; |
216 | static int default_net = 1; |
217 | |
218 | static struct { |
219 | const char *driver; |
220 | int *flag; |
221 | } default_list[] = { |
222 | { .driver = "isa-serial" , .flag = &default_serial }, |
223 | { .driver = "isa-parallel" , .flag = &default_parallel }, |
224 | { .driver = "isa-fdc" , .flag = &default_floppy }, |
225 | { .driver = "floppy" , .flag = &default_floppy }, |
226 | { .driver = "ide-cd" , .flag = &default_cdrom }, |
227 | { .driver = "ide-hd" , .flag = &default_cdrom }, |
228 | { .driver = "ide-drive" , .flag = &default_cdrom }, |
229 | { .driver = "scsi-cd" , .flag = &default_cdrom }, |
230 | { .driver = "scsi-hd" , .flag = &default_cdrom }, |
231 | { .driver = "VGA" , .flag = &default_vga }, |
232 | { .driver = "isa-vga" , .flag = &default_vga }, |
233 | { .driver = "cirrus-vga" , .flag = &default_vga }, |
234 | { .driver = "isa-cirrus-vga" , .flag = &default_vga }, |
235 | { .driver = "vmware-svga" , .flag = &default_vga }, |
236 | { .driver = "qxl-vga" , .flag = &default_vga }, |
237 | { .driver = "virtio-vga" , .flag = &default_vga }, |
238 | { .driver = "ati-vga" , .flag = &default_vga }, |
239 | { .driver = "vhost-user-vga" , .flag = &default_vga }, |
240 | }; |
241 | |
242 | static QemuOptsList qemu_rtc_opts = { |
243 | .name = "rtc" , |
244 | .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head), |
245 | .merge_lists = true, |
246 | .desc = { |
247 | { |
248 | .name = "base" , |
249 | .type = QEMU_OPT_STRING, |
250 | },{ |
251 | .name = "clock" , |
252 | .type = QEMU_OPT_STRING, |
253 | },{ |
254 | .name = "driftfix" , |
255 | .type = QEMU_OPT_STRING, |
256 | }, |
257 | { /* end of list */ } |
258 | }, |
259 | }; |
260 | |
261 | static QemuOptsList qemu_option_rom_opts = { |
262 | .name = "option-rom" , |
263 | .implied_opt_name = "romfile" , |
264 | .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head), |
265 | .desc = { |
266 | { |
267 | .name = "bootindex" , |
268 | .type = QEMU_OPT_NUMBER, |
269 | }, { |
270 | .name = "romfile" , |
271 | .type = QEMU_OPT_STRING, |
272 | }, |
273 | { /* end of list */ } |
274 | }, |
275 | }; |
276 | |
277 | static QemuOptsList qemu_machine_opts = { |
278 | .name = "machine" , |
279 | .implied_opt_name = "type" , |
280 | .merge_lists = true, |
281 | .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head), |
282 | .desc = { |
283 | /* |
284 | * no elements => accept any |
285 | * sanity checking will happen later |
286 | * when setting machine properties |
287 | */ |
288 | { } |
289 | }, |
290 | }; |
291 | |
292 | static QemuOptsList qemu_accel_opts = { |
293 | .name = "accel" , |
294 | .implied_opt_name = "accel" , |
295 | .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head), |
296 | .merge_lists = true, |
297 | .desc = { |
298 | { |
299 | .name = "accel" , |
300 | .type = QEMU_OPT_STRING, |
301 | .help = "Select the type of accelerator" , |
302 | }, |
303 | { |
304 | .name = "thread" , |
305 | .type = QEMU_OPT_STRING, |
306 | .help = "Enable/disable multi-threaded TCG" , |
307 | }, |
308 | { /* end of list */ } |
309 | }, |
310 | }; |
311 | |
312 | static QemuOptsList qemu_boot_opts = { |
313 | .name = "boot-opts" , |
314 | .implied_opt_name = "order" , |
315 | .merge_lists = true, |
316 | .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head), |
317 | .desc = { |
318 | { |
319 | .name = "order" , |
320 | .type = QEMU_OPT_STRING, |
321 | }, { |
322 | .name = "once" , |
323 | .type = QEMU_OPT_STRING, |
324 | }, { |
325 | .name = "menu" , |
326 | .type = QEMU_OPT_BOOL, |
327 | }, { |
328 | .name = "splash" , |
329 | .type = QEMU_OPT_STRING, |
330 | }, { |
331 | .name = "splash-time" , |
332 | .type = QEMU_OPT_NUMBER, |
333 | }, { |
334 | .name = "reboot-timeout" , |
335 | .type = QEMU_OPT_NUMBER, |
336 | }, { |
337 | .name = "strict" , |
338 | .type = QEMU_OPT_BOOL, |
339 | }, |
340 | { /*End of list */ } |
341 | }, |
342 | }; |
343 | |
344 | static QemuOptsList qemu_add_fd_opts = { |
345 | .name = "add-fd" , |
346 | .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head), |
347 | .desc = { |
348 | { |
349 | .name = "fd" , |
350 | .type = QEMU_OPT_NUMBER, |
351 | .help = "file descriptor of which a duplicate is added to fd set" , |
352 | },{ |
353 | .name = "set" , |
354 | .type = QEMU_OPT_NUMBER, |
355 | .help = "ID of the fd set to add fd to" , |
356 | },{ |
357 | .name = "opaque" , |
358 | .type = QEMU_OPT_STRING, |
359 | .help = "free-form string used to describe fd" , |
360 | }, |
361 | { /* end of list */ } |
362 | }, |
363 | }; |
364 | |
365 | static QemuOptsList qemu_object_opts = { |
366 | .name = "object" , |
367 | .implied_opt_name = "qom-type" , |
368 | .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head), |
369 | .desc = { |
370 | { } |
371 | }, |
372 | }; |
373 | |
374 | static QemuOptsList qemu_tpmdev_opts = { |
375 | .name = "tpmdev" , |
376 | .implied_opt_name = "type" , |
377 | .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head), |
378 | .desc = { |
379 | /* options are defined in the TPM backends */ |
380 | { /* end of list */ } |
381 | }, |
382 | }; |
383 | |
384 | static QemuOptsList qemu_realtime_opts = { |
385 | .name = "realtime" , |
386 | .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head), |
387 | .desc = { |
388 | { |
389 | .name = "mlock" , |
390 | .type = QEMU_OPT_BOOL, |
391 | }, |
392 | { /* end of list */ } |
393 | }, |
394 | }; |
395 | |
396 | static QemuOptsList qemu_overcommit_opts = { |
397 | .name = "overcommit" , |
398 | .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head), |
399 | .desc = { |
400 | { |
401 | .name = "mem-lock" , |
402 | .type = QEMU_OPT_BOOL, |
403 | }, |
404 | { |
405 | .name = "cpu-pm" , |
406 | .type = QEMU_OPT_BOOL, |
407 | }, |
408 | { /* end of list */ } |
409 | }, |
410 | }; |
411 | |
412 | static QemuOptsList qemu_msg_opts = { |
413 | .name = "msg" , |
414 | .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head), |
415 | .desc = { |
416 | { |
417 | .name = "timestamp" , |
418 | .type = QEMU_OPT_BOOL, |
419 | }, |
420 | { /* end of list */ } |
421 | }, |
422 | }; |
423 | |
424 | static QemuOptsList qemu_name_opts = { |
425 | .name = "name" , |
426 | .implied_opt_name = "guest" , |
427 | .merge_lists = true, |
428 | .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head), |
429 | .desc = { |
430 | { |
431 | .name = "guest" , |
432 | .type = QEMU_OPT_STRING, |
433 | .help = "Sets the name of the guest.\n" |
434 | "This name will be displayed in the SDL window caption.\n" |
435 | "The name will also be used for the VNC server" , |
436 | }, { |
437 | .name = "process" , |
438 | .type = QEMU_OPT_STRING, |
439 | .help = "Sets the name of the QEMU process, as shown in top etc" , |
440 | }, { |
441 | .name = "debug-threads" , |
442 | .type = QEMU_OPT_BOOL, |
443 | .help = "When enabled, name the individual threads; defaults off.\n" |
444 | "NOTE: The thread names are for debugging and not a\n" |
445 | "stable API." , |
446 | }, |
447 | { /* End of list */ } |
448 | }, |
449 | }; |
450 | |
451 | static QemuOptsList qemu_mem_opts = { |
452 | .name = "memory" , |
453 | .implied_opt_name = "size" , |
454 | .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head), |
455 | .merge_lists = true, |
456 | .desc = { |
457 | { |
458 | .name = "size" , |
459 | .type = QEMU_OPT_SIZE, |
460 | }, |
461 | { |
462 | .name = "slots" , |
463 | .type = QEMU_OPT_NUMBER, |
464 | }, |
465 | { |
466 | .name = "maxmem" , |
467 | .type = QEMU_OPT_SIZE, |
468 | }, |
469 | { /* end of list */ } |
470 | }, |
471 | }; |
472 | |
473 | static QemuOptsList qemu_icount_opts = { |
474 | .name = "icount" , |
475 | .implied_opt_name = "shift" , |
476 | .merge_lists = true, |
477 | .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head), |
478 | .desc = { |
479 | { |
480 | .name = "shift" , |
481 | .type = QEMU_OPT_STRING, |
482 | }, { |
483 | .name = "align" , |
484 | .type = QEMU_OPT_BOOL, |
485 | }, { |
486 | .name = "sleep" , |
487 | .type = QEMU_OPT_BOOL, |
488 | }, { |
489 | .name = "rr" , |
490 | .type = QEMU_OPT_STRING, |
491 | }, { |
492 | .name = "rrfile" , |
493 | .type = QEMU_OPT_STRING, |
494 | }, { |
495 | .name = "rrsnapshot" , |
496 | .type = QEMU_OPT_STRING, |
497 | }, |
498 | { /* end of list */ } |
499 | }, |
500 | }; |
501 | |
502 | static QemuOptsList qemu_fw_cfg_opts = { |
503 | .name = "fw_cfg" , |
504 | .implied_opt_name = "name" , |
505 | .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head), |
506 | .desc = { |
507 | { |
508 | .name = "name" , |
509 | .type = QEMU_OPT_STRING, |
510 | .help = "Sets the fw_cfg name of the blob to be inserted" , |
511 | }, { |
512 | .name = "file" , |
513 | .type = QEMU_OPT_STRING, |
514 | .help = "Sets the name of the file from which " |
515 | "the fw_cfg blob will be loaded" , |
516 | }, { |
517 | .name = "string" , |
518 | .type = QEMU_OPT_STRING, |
519 | .help = "Sets content of the blob to be inserted from a string" , |
520 | }, |
521 | { /* end of list */ } |
522 | }, |
523 | }; |
524 | |
525 | /** |
526 | * Get machine options |
527 | * |
528 | * Returns: machine options (never null). |
529 | */ |
530 | QemuOpts *qemu_get_machine_opts(void) |
531 | { |
532 | return qemu_find_opts_singleton("machine" ); |
533 | } |
534 | |
535 | const char *qemu_get_vm_name(void) |
536 | { |
537 | return qemu_name; |
538 | } |
539 | |
540 | static void res_free(void) |
541 | { |
542 | g_free(boot_splash_filedata); |
543 | boot_splash_filedata = NULL; |
544 | } |
545 | |
546 | static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp) |
547 | { |
548 | const char *driver = qemu_opt_get(opts, "driver" ); |
549 | int i; |
550 | |
551 | if (!driver) |
552 | return 0; |
553 | for (i = 0; i < ARRAY_SIZE(default_list); i++) { |
554 | if (strcmp(default_list[i].driver, driver) != 0) |
555 | continue; |
556 | *(default_list[i].flag) = 0; |
557 | } |
558 | return 0; |
559 | } |
560 | |
561 | /***********************************************************/ |
562 | /* QEMU state */ |
563 | |
564 | static RunState current_run_state = RUN_STATE_PRECONFIG; |
565 | |
566 | /* We use RUN_STATE__MAX but any invalid value will do */ |
567 | static RunState vmstop_requested = RUN_STATE__MAX; |
568 | static QemuMutex vmstop_lock; |
569 | |
570 | typedef struct { |
571 | RunState from; |
572 | RunState to; |
573 | } RunStateTransition; |
574 | |
575 | static const RunStateTransition runstate_transitions_def[] = { |
576 | /* from -> to */ |
577 | { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH }, |
578 | /* Early switch to inmigrate state to allow -incoming CLI option work |
579 | * as it used to. TODO: delay actual switching to inmigrate state to |
580 | * the point after machine is built and remove this hack. |
581 | */ |
582 | { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE }, |
583 | |
584 | { RUN_STATE_DEBUG, RUN_STATE_RUNNING }, |
585 | { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE }, |
586 | { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH }, |
587 | |
588 | { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR }, |
589 | { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR }, |
590 | { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED }, |
591 | { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING }, |
592 | { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN }, |
593 | { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED }, |
594 | { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG }, |
595 | { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED }, |
596 | { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE }, |
597 | { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH }, |
598 | { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE }, |
599 | { RUN_STATE_INMIGRATE, RUN_STATE_COLO }, |
600 | |
601 | { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED }, |
602 | { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE }, |
603 | { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH }, |
604 | |
605 | { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING }, |
606 | { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE }, |
607 | { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH }, |
608 | |
609 | { RUN_STATE_PAUSED, RUN_STATE_RUNNING }, |
610 | { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE }, |
611 | { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE }, |
612 | { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH }, |
613 | { RUN_STATE_PAUSED, RUN_STATE_COLO}, |
614 | |
615 | { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING }, |
616 | { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE }, |
617 | { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH }, |
618 | |
619 | { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING }, |
620 | { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE }, |
621 | { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE }, |
622 | |
623 | { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING }, |
624 | { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED }, |
625 | { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE }, |
626 | { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH }, |
627 | { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO}, |
628 | |
629 | { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING }, |
630 | { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH }, |
631 | |
632 | { RUN_STATE_COLO, RUN_STATE_RUNNING }, |
633 | |
634 | { RUN_STATE_RUNNING, RUN_STATE_DEBUG }, |
635 | { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR }, |
636 | { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR }, |
637 | { RUN_STATE_RUNNING, RUN_STATE_PAUSED }, |
638 | { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE }, |
639 | { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM }, |
640 | { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM }, |
641 | { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN }, |
642 | { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG }, |
643 | { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED }, |
644 | { RUN_STATE_RUNNING, RUN_STATE_COLO}, |
645 | |
646 | { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING }, |
647 | |
648 | { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED }, |
649 | { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE }, |
650 | { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH }, |
651 | |
652 | { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED }, |
653 | { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED }, |
654 | { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING }, |
655 | { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE }, |
656 | { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH }, |
657 | { RUN_STATE_SUSPENDED, RUN_STATE_COLO}, |
658 | |
659 | { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING }, |
660 | { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE }, |
661 | { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH }, |
662 | { RUN_STATE_WATCHDOG, RUN_STATE_COLO}, |
663 | |
664 | { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING }, |
665 | { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE }, |
666 | { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH }, |
667 | |
668 | { RUN_STATE__MAX, RUN_STATE__MAX }, |
669 | }; |
670 | |
671 | static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX]; |
672 | |
673 | bool runstate_check(RunState state) |
674 | { |
675 | return current_run_state == state; |
676 | } |
677 | |
678 | bool runstate_store(char *str, size_t size) |
679 | { |
680 | const char *state = RunState_str(current_run_state); |
681 | size_t len = strlen(state) + 1; |
682 | |
683 | if (len > size) { |
684 | return false; |
685 | } |
686 | memcpy(str, state, len); |
687 | return true; |
688 | } |
689 | |
690 | static void runstate_init(void) |
691 | { |
692 | const RunStateTransition *p; |
693 | |
694 | memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions)); |
695 | for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) { |
696 | runstate_valid_transitions[p->from][p->to] = true; |
697 | } |
698 | |
699 | qemu_mutex_init(&vmstop_lock); |
700 | } |
701 | |
702 | /* This function will abort() on invalid state transitions */ |
703 | void runstate_set(RunState new_state) |
704 | { |
705 | assert(new_state < RUN_STATE__MAX); |
706 | |
707 | trace_runstate_set(current_run_state, RunState_str(current_run_state), |
708 | new_state, RunState_str(new_state)); |
709 | |
710 | if (current_run_state == new_state) { |
711 | return; |
712 | } |
713 | |
714 | if (!runstate_valid_transitions[current_run_state][new_state]) { |
715 | error_report("invalid runstate transition: '%s' -> '%s'" , |
716 | RunState_str(current_run_state), |
717 | RunState_str(new_state)); |
718 | abort(); |
719 | } |
720 | |
721 | current_run_state = new_state; |
722 | } |
723 | |
724 | int runstate_is_running(void) |
725 | { |
726 | return runstate_check(RUN_STATE_RUNNING); |
727 | } |
728 | |
729 | bool runstate_needs_reset(void) |
730 | { |
731 | return runstate_check(RUN_STATE_INTERNAL_ERROR) || |
732 | runstate_check(RUN_STATE_SHUTDOWN); |
733 | } |
734 | |
735 | StatusInfo *qmp_query_status(Error **errp) |
736 | { |
737 | StatusInfo *info = g_malloc0(sizeof(*info)); |
738 | |
739 | info->running = runstate_is_running(); |
740 | info->singlestep = singlestep; |
741 | info->status = current_run_state; |
742 | |
743 | return info; |
744 | } |
745 | |
746 | bool qemu_vmstop_requested(RunState *r) |
747 | { |
748 | qemu_mutex_lock(&vmstop_lock); |
749 | *r = vmstop_requested; |
750 | vmstop_requested = RUN_STATE__MAX; |
751 | qemu_mutex_unlock(&vmstop_lock); |
752 | return *r < RUN_STATE__MAX; |
753 | } |
754 | |
755 | void qemu_system_vmstop_request_prepare(void) |
756 | { |
757 | qemu_mutex_lock(&vmstop_lock); |
758 | } |
759 | |
760 | void qemu_system_vmstop_request(RunState state) |
761 | { |
762 | vmstop_requested = state; |
763 | qemu_mutex_unlock(&vmstop_lock); |
764 | qemu_notify_event(); |
765 | } |
766 | |
767 | /***********************************************************/ |
768 | /* RTC reference time/date access */ |
769 | static time_t qemu_ref_timedate(QEMUClockType clock) |
770 | { |
771 | time_t value = qemu_clock_get_ms(clock) / 1000; |
772 | switch (clock) { |
773 | case QEMU_CLOCK_REALTIME: |
774 | value -= rtc_realtime_clock_offset; |
775 | /* fall through */ |
776 | case QEMU_CLOCK_VIRTUAL: |
777 | value += rtc_ref_start_datetime; |
778 | break; |
779 | case QEMU_CLOCK_HOST: |
780 | if (rtc_base_type == RTC_BASE_DATETIME) { |
781 | value -= rtc_host_datetime_offset; |
782 | } |
783 | break; |
784 | default: |
785 | assert(0); |
786 | } |
787 | return value; |
788 | } |
789 | |
790 | void qemu_get_timedate(struct tm *tm, int offset) |
791 | { |
792 | time_t ti = qemu_ref_timedate(rtc_clock); |
793 | |
794 | ti += offset; |
795 | |
796 | switch (rtc_base_type) { |
797 | case RTC_BASE_DATETIME: |
798 | case RTC_BASE_UTC: |
799 | gmtime_r(&ti, tm); |
800 | break; |
801 | case RTC_BASE_LOCALTIME: |
802 | localtime_r(&ti, tm); |
803 | break; |
804 | } |
805 | } |
806 | |
807 | int qemu_timedate_diff(struct tm *tm) |
808 | { |
809 | time_t seconds; |
810 | |
811 | switch (rtc_base_type) { |
812 | case RTC_BASE_DATETIME: |
813 | case RTC_BASE_UTC: |
814 | seconds = mktimegm(tm); |
815 | break; |
816 | case RTC_BASE_LOCALTIME: |
817 | { |
818 | struct tm tmp = *tm; |
819 | tmp.tm_isdst = -1; /* use timezone to figure it out */ |
820 | seconds = mktime(&tmp); |
821 | break; |
822 | } |
823 | default: |
824 | abort(); |
825 | } |
826 | |
827 | return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST); |
828 | } |
829 | |
830 | static void configure_rtc_base_datetime(const char *startdate) |
831 | { |
832 | time_t rtc_start_datetime; |
833 | struct tm tm; |
834 | |
835 | if (sscanf(startdate, "%d-%d-%dT%d:%d:%d" , &tm.tm_year, &tm.tm_mon, |
836 | &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) { |
837 | /* OK */ |
838 | } else if (sscanf(startdate, "%d-%d-%d" , |
839 | &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) { |
840 | tm.tm_hour = 0; |
841 | tm.tm_min = 0; |
842 | tm.tm_sec = 0; |
843 | } else { |
844 | goto date_fail; |
845 | } |
846 | tm.tm_year -= 1900; |
847 | tm.tm_mon--; |
848 | rtc_start_datetime = mktimegm(&tm); |
849 | if (rtc_start_datetime == -1) { |
850 | date_fail: |
851 | error_report("invalid datetime format" ); |
852 | error_printf("valid formats: " |
853 | "'2006-06-17T16:01:21' or '2006-06-17'\n" ); |
854 | exit(1); |
855 | } |
856 | rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime; |
857 | rtc_ref_start_datetime = rtc_start_datetime; |
858 | } |
859 | |
860 | static void configure_rtc(QemuOpts *opts) |
861 | { |
862 | const char *value; |
863 | |
864 | /* Set defaults */ |
865 | rtc_clock = QEMU_CLOCK_HOST; |
866 | rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000; |
867 | rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000; |
868 | |
869 | value = qemu_opt_get(opts, "base" ); |
870 | if (value) { |
871 | if (!strcmp(value, "utc" )) { |
872 | rtc_base_type = RTC_BASE_UTC; |
873 | } else if (!strcmp(value, "localtime" )) { |
874 | Error *blocker = NULL; |
875 | rtc_base_type = RTC_BASE_LOCALTIME; |
876 | error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, |
877 | "-rtc base=localtime" ); |
878 | replay_add_blocker(blocker); |
879 | } else { |
880 | rtc_base_type = RTC_BASE_DATETIME; |
881 | configure_rtc_base_datetime(value); |
882 | } |
883 | } |
884 | value = qemu_opt_get(opts, "clock" ); |
885 | if (value) { |
886 | if (!strcmp(value, "host" )) { |
887 | rtc_clock = QEMU_CLOCK_HOST; |
888 | } else if (!strcmp(value, "rt" )) { |
889 | rtc_clock = QEMU_CLOCK_REALTIME; |
890 | } else if (!strcmp(value, "vm" )) { |
891 | rtc_clock = QEMU_CLOCK_VIRTUAL; |
892 | } else { |
893 | error_report("invalid option value '%s'" , value); |
894 | exit(1); |
895 | } |
896 | } |
897 | value = qemu_opt_get(opts, "driftfix" ); |
898 | if (value) { |
899 | if (!strcmp(value, "slew" )) { |
900 | static GlobalProperty slew_lost_ticks = { |
901 | .driver = "mc146818rtc" , |
902 | .property = "lost_tick_policy" , |
903 | .value = "slew" , |
904 | }; |
905 | |
906 | qdev_prop_register_global(&slew_lost_ticks); |
907 | } else if (!strcmp(value, "none" )) { |
908 | /* discard is default */ |
909 | } else { |
910 | error_report("invalid option value '%s'" , value); |
911 | exit(1); |
912 | } |
913 | } |
914 | } |
915 | |
916 | /***********************************************************/ |
917 | /* Bluetooth support */ |
918 | static int nb_hcis; |
919 | static int cur_hci; |
920 | static struct HCIInfo *hci_table[MAX_NICS]; |
921 | |
922 | struct HCIInfo *qemu_next_hci(void) |
923 | { |
924 | if (cur_hci == nb_hcis) |
925 | return &null_hci; |
926 | |
927 | return hci_table[cur_hci++]; |
928 | } |
929 | |
930 | static int bt_hci_parse(const char *str) |
931 | { |
932 | struct HCIInfo *hci; |
933 | bdaddr_t bdaddr; |
934 | |
935 | if (nb_hcis >= MAX_NICS) { |
936 | error_report("too many bluetooth HCIs (max %i)" , MAX_NICS); |
937 | return -1; |
938 | } |
939 | |
940 | hci = hci_init(str); |
941 | if (!hci) |
942 | return -1; |
943 | |
944 | bdaddr.b[0] = 0x52; |
945 | bdaddr.b[1] = 0x54; |
946 | bdaddr.b[2] = 0x00; |
947 | bdaddr.b[3] = 0x12; |
948 | bdaddr.b[4] = 0x34; |
949 | bdaddr.b[5] = 0x56 + nb_hcis; |
950 | hci->bdaddr_set(hci, bdaddr.b); |
951 | |
952 | hci_table[nb_hcis++] = hci; |
953 | |
954 | return 0; |
955 | } |
956 | |
957 | static void bt_vhci_add(int vlan_id) |
958 | { |
959 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); |
960 | |
961 | if (!vlan->slave) |
962 | warn_report("adding a VHCI to an empty scatternet %i" , |
963 | vlan_id); |
964 | |
965 | bt_vhci_init(bt_new_hci(vlan)); |
966 | } |
967 | |
968 | static struct bt_device_s *bt_device_add(const char *opt) |
969 | { |
970 | struct bt_scatternet_s *vlan; |
971 | int vlan_id = 0; |
972 | char *endp = strstr(opt, ",vlan=" ); |
973 | int len = (endp ? endp - opt : strlen(opt)) + 1; |
974 | char devname[10]; |
975 | |
976 | pstrcpy(devname, MIN(sizeof(devname), len), opt); |
977 | |
978 | if (endp) { |
979 | vlan_id = strtol(endp + 6, &endp, 0); |
980 | if (*endp) { |
981 | error_report("unrecognised bluetooth vlan Id" ); |
982 | return 0; |
983 | } |
984 | } |
985 | |
986 | vlan = qemu_find_bt_vlan(vlan_id); |
987 | |
988 | if (!vlan->slave) |
989 | warn_report("adding a slave device to an empty scatternet %i" , |
990 | vlan_id); |
991 | |
992 | if (!strcmp(devname, "keyboard" )) |
993 | return bt_keyboard_init(vlan); |
994 | |
995 | error_report("unsupported bluetooth device '%s'" , devname); |
996 | return 0; |
997 | } |
998 | |
999 | static int bt_parse(const char *opt) |
1000 | { |
1001 | const char *endp, *p; |
1002 | int vlan; |
1003 | |
1004 | if (strstart(opt, "hci" , &endp)) { |
1005 | if (!*endp || *endp == ',') { |
1006 | if (*endp) |
1007 | if (!strstart(endp, ",vlan=" , 0)) |
1008 | opt = endp + 1; |
1009 | |
1010 | return bt_hci_parse(opt); |
1011 | } |
1012 | } else if (strstart(opt, "vhci" , &endp)) { |
1013 | if (!*endp || *endp == ',') { |
1014 | if (*endp) { |
1015 | if (strstart(endp, ",vlan=" , &p)) { |
1016 | vlan = strtol(p, (char **) &endp, 0); |
1017 | if (*endp) { |
1018 | error_report("bad scatternet '%s'" , p); |
1019 | return 1; |
1020 | } |
1021 | } else { |
1022 | error_report("bad parameter '%s'" , endp + 1); |
1023 | return 1; |
1024 | } |
1025 | } else |
1026 | vlan = 0; |
1027 | |
1028 | bt_vhci_add(vlan); |
1029 | return 0; |
1030 | } |
1031 | } else if (strstart(opt, "device:" , &endp)) |
1032 | return !bt_device_add(endp); |
1033 | |
1034 | error_report("bad bluetooth parameter '%s'" , opt); |
1035 | return 1; |
1036 | } |
1037 | |
1038 | static int parse_name(void *opaque, QemuOpts *opts, Error **errp) |
1039 | { |
1040 | const char *proc_name; |
1041 | |
1042 | if (qemu_opt_get(opts, "debug-threads" )) { |
1043 | qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads" , false)); |
1044 | } |
1045 | qemu_name = qemu_opt_get(opts, "guest" ); |
1046 | |
1047 | proc_name = qemu_opt_get(opts, "process" ); |
1048 | if (proc_name) { |
1049 | os_set_proc_name(proc_name); |
1050 | } |
1051 | |
1052 | return 0; |
1053 | } |
1054 | |
1055 | bool defaults_enabled(void) |
1056 | { |
1057 | return has_defaults; |
1058 | } |
1059 | |
1060 | #ifndef _WIN32 |
1061 | static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp) |
1062 | { |
1063 | int fd, dupfd, flags; |
1064 | int64_t fdset_id; |
1065 | const char *fd_opaque = NULL; |
1066 | AddfdInfo *fdinfo; |
1067 | |
1068 | fd = qemu_opt_get_number(opts, "fd" , -1); |
1069 | fdset_id = qemu_opt_get_number(opts, "set" , -1); |
1070 | fd_opaque = qemu_opt_get(opts, "opaque" ); |
1071 | |
1072 | if (fd < 0) { |
1073 | error_setg(errp, "fd option is required and must be non-negative" ); |
1074 | return -1; |
1075 | } |
1076 | |
1077 | if (fd <= STDERR_FILENO) { |
1078 | error_setg(errp, "fd cannot be a standard I/O stream" ); |
1079 | return -1; |
1080 | } |
1081 | |
1082 | /* |
1083 | * All fds inherited across exec() necessarily have FD_CLOEXEC |
1084 | * clear, while qemu sets FD_CLOEXEC on all other fds used internally. |
1085 | */ |
1086 | flags = fcntl(fd, F_GETFD); |
1087 | if (flags == -1 || (flags & FD_CLOEXEC)) { |
1088 | error_setg(errp, "fd is not valid or already in use" ); |
1089 | return -1; |
1090 | } |
1091 | |
1092 | if (fdset_id < 0) { |
1093 | error_setg(errp, "set option is required and must be non-negative" ); |
1094 | return -1; |
1095 | } |
1096 | |
1097 | #ifdef F_DUPFD_CLOEXEC |
1098 | dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0); |
1099 | #else |
1100 | dupfd = dup(fd); |
1101 | if (dupfd != -1) { |
1102 | qemu_set_cloexec(dupfd); |
1103 | } |
1104 | #endif |
1105 | if (dupfd == -1) { |
1106 | error_setg(errp, "error duplicating fd: %s" , strerror(errno)); |
1107 | return -1; |
1108 | } |
1109 | |
1110 | /* add the duplicate fd, and optionally the opaque string, to the fd set */ |
1111 | fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque, |
1112 | &error_abort); |
1113 | g_free(fdinfo); |
1114 | |
1115 | return 0; |
1116 | } |
1117 | |
1118 | static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp) |
1119 | { |
1120 | int fd; |
1121 | |
1122 | fd = qemu_opt_get_number(opts, "fd" , -1); |
1123 | close(fd); |
1124 | |
1125 | return 0; |
1126 | } |
1127 | #endif |
1128 | |
1129 | /***********************************************************/ |
1130 | /* QEMU Block devices */ |
1131 | |
1132 | #define HD_OPTS "media=disk" |
1133 | #define CDROM_OPTS "media=cdrom" |
1134 | #define FD_OPTS "" |
1135 | #define PFLASH_OPTS "" |
1136 | #define MTD_OPTS "" |
1137 | #define SD_OPTS "" |
1138 | |
1139 | static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp) |
1140 | { |
1141 | BlockInterfaceType *block_default_type = opaque; |
1142 | |
1143 | return drive_new(opts, *block_default_type, errp) == NULL; |
1144 | } |
1145 | |
1146 | static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp) |
1147 | { |
1148 | if (qemu_opt_get(opts, "snapshot" ) == NULL) { |
1149 | qemu_opt_set(opts, "snapshot" , "on" , &error_abort); |
1150 | } |
1151 | return 0; |
1152 | } |
1153 | |
1154 | static void default_drive(int enable, int snapshot, BlockInterfaceType type, |
1155 | int index, const char *optstr) |
1156 | { |
1157 | QemuOpts *opts; |
1158 | DriveInfo *dinfo; |
1159 | |
1160 | if (!enable || drive_get_by_index(type, index)) { |
1161 | return; |
1162 | } |
1163 | |
1164 | opts = drive_add(type, index, NULL, optstr); |
1165 | if (snapshot) { |
1166 | drive_enable_snapshot(NULL, opts, NULL); |
1167 | } |
1168 | |
1169 | dinfo = drive_new(opts, type, &error_abort); |
1170 | dinfo->is_default = true; |
1171 | |
1172 | } |
1173 | |
1174 | typedef struct BlockdevOptionsQueueEntry { |
1175 | BlockdevOptions *bdo; |
1176 | Location loc; |
1177 | QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry; |
1178 | } BlockdevOptionsQueueEntry; |
1179 | |
1180 | typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue; |
1181 | |
1182 | static void configure_blockdev(BlockdevOptionsQueue *bdo_queue, |
1183 | MachineClass *machine_class, int snapshot) |
1184 | { |
1185 | /* |
1186 | * If the currently selected machine wishes to override the |
1187 | * units-per-bus property of its default HBA interface type, do so |
1188 | * now. |
1189 | */ |
1190 | if (machine_class->units_per_default_bus) { |
1191 | override_max_devs(machine_class->block_default_type, |
1192 | machine_class->units_per_default_bus); |
1193 | } |
1194 | |
1195 | /* open the virtual block devices */ |
1196 | while (!QSIMPLEQ_EMPTY(bdo_queue)) { |
1197 | BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue); |
1198 | |
1199 | QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry); |
1200 | loc_push_restore(&bdo->loc); |
1201 | qmp_blockdev_add(bdo->bdo, &error_fatal); |
1202 | loc_pop(&bdo->loc); |
1203 | qapi_free_BlockdevOptions(bdo->bdo); |
1204 | g_free(bdo); |
1205 | } |
1206 | if (snapshot || replay_mode != REPLAY_MODE_NONE) { |
1207 | qemu_opts_foreach(qemu_find_opts("drive" ), drive_enable_snapshot, |
1208 | NULL, NULL); |
1209 | } |
1210 | if (qemu_opts_foreach(qemu_find_opts("drive" ), drive_init_func, |
1211 | &machine_class->block_default_type, &error_fatal)) { |
1212 | /* We printed help */ |
1213 | exit(0); |
1214 | } |
1215 | |
1216 | default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2, |
1217 | CDROM_OPTS); |
1218 | default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS); |
1219 | default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS); |
1220 | |
1221 | } |
1222 | |
1223 | static QemuOptsList qemu_smp_opts = { |
1224 | .name = "smp-opts" , |
1225 | .implied_opt_name = "cpus" , |
1226 | .merge_lists = true, |
1227 | .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head), |
1228 | .desc = { |
1229 | { |
1230 | .name = "cpus" , |
1231 | .type = QEMU_OPT_NUMBER, |
1232 | }, { |
1233 | .name = "sockets" , |
1234 | .type = QEMU_OPT_NUMBER, |
1235 | }, { |
1236 | .name = "dies" , |
1237 | .type = QEMU_OPT_NUMBER, |
1238 | }, { |
1239 | .name = "cores" , |
1240 | .type = QEMU_OPT_NUMBER, |
1241 | }, { |
1242 | .name = "threads" , |
1243 | .type = QEMU_OPT_NUMBER, |
1244 | }, { |
1245 | .name = "maxcpus" , |
1246 | .type = QEMU_OPT_NUMBER, |
1247 | }, |
1248 | { /*End of list */ } |
1249 | }, |
1250 | }; |
1251 | |
1252 | static void realtime_init(void) |
1253 | { |
1254 | if (enable_mlock) { |
1255 | if (os_mlock() < 0) { |
1256 | error_report("locking memory failed" ); |
1257 | exit(1); |
1258 | } |
1259 | } |
1260 | } |
1261 | |
1262 | |
1263 | static void configure_msg(QemuOpts *opts) |
1264 | { |
1265 | enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp" , true); |
1266 | } |
1267 | |
1268 | |
1269 | /* Now we still need this for compatibility with XEN. */ |
1270 | bool has_igd_gfx_passthru; |
1271 | static void igd_gfx_passthru(void) |
1272 | { |
1273 | has_igd_gfx_passthru = current_machine->igd_gfx_passthru; |
1274 | } |
1275 | |
1276 | /***********************************************************/ |
1277 | /* USB devices */ |
1278 | |
1279 | static int usb_device_add(const char *devname) |
1280 | { |
1281 | USBDevice *dev = NULL; |
1282 | |
1283 | if (!machine_usb(current_machine)) { |
1284 | return -1; |
1285 | } |
1286 | |
1287 | dev = usbdevice_create(devname); |
1288 | if (!dev) |
1289 | return -1; |
1290 | |
1291 | return 0; |
1292 | } |
1293 | |
1294 | static int usb_parse(const char *cmdline) |
1295 | { |
1296 | int r; |
1297 | r = usb_device_add(cmdline); |
1298 | if (r < 0) { |
1299 | error_report("could not add USB device '%s'" , cmdline); |
1300 | } |
1301 | return r; |
1302 | } |
1303 | |
1304 | /***********************************************************/ |
1305 | /* machine registration */ |
1306 | |
1307 | MachineState *current_machine; |
1308 | |
1309 | static MachineClass *find_machine(const char *name, GSList *machines) |
1310 | { |
1311 | GSList *el; |
1312 | |
1313 | for (el = machines; el; el = el->next) { |
1314 | MachineClass *mc = el->data; |
1315 | |
1316 | if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) { |
1317 | return mc; |
1318 | } |
1319 | } |
1320 | |
1321 | return NULL; |
1322 | } |
1323 | |
1324 | static MachineClass *find_default_machine(GSList *machines) |
1325 | { |
1326 | GSList *el; |
1327 | |
1328 | for (el = machines; el; el = el->next) { |
1329 | MachineClass *mc = el->data; |
1330 | |
1331 | if (mc->is_default) { |
1332 | return mc; |
1333 | } |
1334 | } |
1335 | |
1336 | return NULL; |
1337 | } |
1338 | |
1339 | static int machine_help_func(QemuOpts *opts, MachineState *machine) |
1340 | { |
1341 | ObjectProperty *prop; |
1342 | ObjectPropertyIterator iter; |
1343 | |
1344 | if (!qemu_opt_has_help_opt(opts)) { |
1345 | return 0; |
1346 | } |
1347 | |
1348 | object_property_iter_init(&iter, OBJECT(machine)); |
1349 | while ((prop = object_property_iter_next(&iter))) { |
1350 | if (!prop->set) { |
1351 | continue; |
1352 | } |
1353 | |
1354 | printf("%s.%s=%s" , MACHINE_GET_CLASS(machine)->name, |
1355 | prop->name, prop->type); |
1356 | if (prop->description) { |
1357 | printf(" (%s)\n" , prop->description); |
1358 | } else { |
1359 | printf("\n" ); |
1360 | } |
1361 | } |
1362 | |
1363 | return 1; |
1364 | } |
1365 | |
1366 | struct VMChangeStateEntry { |
1367 | VMChangeStateHandler *cb; |
1368 | void *opaque; |
1369 | QTAILQ_ENTRY(VMChangeStateEntry) entries; |
1370 | int priority; |
1371 | }; |
1372 | |
1373 | static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head; |
1374 | |
1375 | /** |
1376 | * qemu_add_vm_change_state_handler_prio: |
1377 | * @cb: the callback to invoke |
1378 | * @opaque: user data passed to the callback |
1379 | * @priority: low priorities execute first when the vm runs and the reverse is |
1380 | * true when the vm stops |
1381 | * |
1382 | * Register a callback function that is invoked when the vm starts or stops |
1383 | * running. |
1384 | * |
1385 | * Returns: an entry to be freed using qemu_del_vm_change_state_handler() |
1386 | */ |
1387 | VMChangeStateEntry *qemu_add_vm_change_state_handler_prio( |
1388 | VMChangeStateHandler *cb, void *opaque, int priority) |
1389 | { |
1390 | VMChangeStateEntry *e; |
1391 | VMChangeStateEntry *other; |
1392 | |
1393 | e = g_malloc0(sizeof(*e)); |
1394 | e->cb = cb; |
1395 | e->opaque = opaque; |
1396 | e->priority = priority; |
1397 | |
1398 | /* Keep list sorted in ascending priority order */ |
1399 | QTAILQ_FOREACH(other, &vm_change_state_head, entries) { |
1400 | if (priority < other->priority) { |
1401 | QTAILQ_INSERT_BEFORE(other, e, entries); |
1402 | return e; |
1403 | } |
1404 | } |
1405 | |
1406 | QTAILQ_INSERT_TAIL(&vm_change_state_head, e, entries); |
1407 | return e; |
1408 | } |
1409 | |
1410 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
1411 | void *opaque) |
1412 | { |
1413 | return qemu_add_vm_change_state_handler_prio(cb, opaque, 0); |
1414 | } |
1415 | |
1416 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) |
1417 | { |
1418 | QTAILQ_REMOVE(&vm_change_state_head, e, entries); |
1419 | g_free(e); |
1420 | } |
1421 | |
1422 | void vm_state_notify(int running, RunState state) |
1423 | { |
1424 | VMChangeStateEntry *e, *next; |
1425 | |
1426 | trace_vm_state_notify(running, state, RunState_str(state)); |
1427 | |
1428 | if (running) { |
1429 | QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) { |
1430 | e->cb(e->opaque, running, state); |
1431 | } |
1432 | } else { |
1433 | QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) { |
1434 | e->cb(e->opaque, running, state); |
1435 | } |
1436 | } |
1437 | } |
1438 | |
1439 | static ShutdownCause reset_requested; |
1440 | static ShutdownCause shutdown_requested; |
1441 | static int shutdown_signal; |
1442 | static pid_t shutdown_pid; |
1443 | static int powerdown_requested; |
1444 | static int debug_requested; |
1445 | static int suspend_requested; |
1446 | static bool preconfig_exit_requested = true; |
1447 | static WakeupReason wakeup_reason; |
1448 | static NotifierList powerdown_notifiers = |
1449 | NOTIFIER_LIST_INITIALIZER(powerdown_notifiers); |
1450 | static NotifierList suspend_notifiers = |
1451 | NOTIFIER_LIST_INITIALIZER(suspend_notifiers); |
1452 | static NotifierList wakeup_notifiers = |
1453 | NOTIFIER_LIST_INITIALIZER(wakeup_notifiers); |
1454 | static NotifierList shutdown_notifiers = |
1455 | NOTIFIER_LIST_INITIALIZER(shutdown_notifiers); |
1456 | static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE); |
1457 | |
1458 | ShutdownCause qemu_shutdown_requested_get(void) |
1459 | { |
1460 | return shutdown_requested; |
1461 | } |
1462 | |
1463 | ShutdownCause qemu_reset_requested_get(void) |
1464 | { |
1465 | return reset_requested; |
1466 | } |
1467 | |
1468 | static int qemu_shutdown_requested(void) |
1469 | { |
1470 | return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE); |
1471 | } |
1472 | |
1473 | static void qemu_kill_report(void) |
1474 | { |
1475 | if (!qtest_driver() && shutdown_signal) { |
1476 | if (shutdown_pid == 0) { |
1477 | /* This happens for eg ^C at the terminal, so it's worth |
1478 | * avoiding printing an odd message in that case. |
1479 | */ |
1480 | error_report("terminating on signal %d" , shutdown_signal); |
1481 | } else { |
1482 | char *shutdown_cmd = qemu_get_pid_name(shutdown_pid); |
1483 | |
1484 | error_report("terminating on signal %d from pid " FMT_pid " (%s)" , |
1485 | shutdown_signal, shutdown_pid, |
1486 | shutdown_cmd ? shutdown_cmd : "<unknown process>" ); |
1487 | g_free(shutdown_cmd); |
1488 | } |
1489 | shutdown_signal = 0; |
1490 | } |
1491 | } |
1492 | |
1493 | static ShutdownCause qemu_reset_requested(void) |
1494 | { |
1495 | ShutdownCause r = reset_requested; |
1496 | |
1497 | if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) { |
1498 | reset_requested = SHUTDOWN_CAUSE_NONE; |
1499 | return r; |
1500 | } |
1501 | return SHUTDOWN_CAUSE_NONE; |
1502 | } |
1503 | |
1504 | static int qemu_suspend_requested(void) |
1505 | { |
1506 | int r = suspend_requested; |
1507 | if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) { |
1508 | suspend_requested = 0; |
1509 | return r; |
1510 | } |
1511 | return false; |
1512 | } |
1513 | |
1514 | static WakeupReason qemu_wakeup_requested(void) |
1515 | { |
1516 | return wakeup_reason; |
1517 | } |
1518 | |
1519 | static int qemu_powerdown_requested(void) |
1520 | { |
1521 | int r = powerdown_requested; |
1522 | powerdown_requested = 0; |
1523 | return r; |
1524 | } |
1525 | |
1526 | static int qemu_debug_requested(void) |
1527 | { |
1528 | int r = debug_requested; |
1529 | debug_requested = 0; |
1530 | return r; |
1531 | } |
1532 | |
1533 | void qemu_exit_preconfig_request(void) |
1534 | { |
1535 | preconfig_exit_requested = true; |
1536 | } |
1537 | |
1538 | /* |
1539 | * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE. |
1540 | */ |
1541 | void qemu_system_reset(ShutdownCause reason) |
1542 | { |
1543 | MachineClass *mc; |
1544 | |
1545 | mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL; |
1546 | |
1547 | cpu_synchronize_all_states(); |
1548 | |
1549 | if (mc && mc->reset) { |
1550 | mc->reset(current_machine); |
1551 | } else { |
1552 | qemu_devices_reset(); |
1553 | } |
1554 | if (reason && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) { |
1555 | qapi_event_send_reset(shutdown_caused_by_guest(reason), reason); |
1556 | } |
1557 | cpu_synchronize_all_post_reset(); |
1558 | } |
1559 | |
1560 | /* |
1561 | * Wake the VM after suspend. |
1562 | */ |
1563 | static void qemu_system_wakeup(void) |
1564 | { |
1565 | MachineClass *mc; |
1566 | |
1567 | mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL; |
1568 | |
1569 | if (mc && mc->wakeup) { |
1570 | mc->wakeup(current_machine); |
1571 | } |
1572 | } |
1573 | |
1574 | void qemu_system_guest_panicked(GuestPanicInformation *info) |
1575 | { |
1576 | qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed" ); |
1577 | |
1578 | if (current_cpu) { |
1579 | current_cpu->crash_occurred = true; |
1580 | } |
1581 | qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, |
1582 | !!info, info); |
1583 | vm_stop(RUN_STATE_GUEST_PANICKED); |
1584 | if (!no_shutdown) { |
1585 | qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF, |
1586 | !!info, info); |
1587 | qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC); |
1588 | } |
1589 | |
1590 | if (info) { |
1591 | if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) { |
1592 | qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#" PRIx64 |
1593 | " %#" PRIx64" %#" PRIx64" %#" PRIx64" %#" PRIx64")\n" , |
1594 | info->u.hyper_v.arg1, |
1595 | info->u.hyper_v.arg2, |
1596 | info->u.hyper_v.arg3, |
1597 | info->u.hyper_v.arg4, |
1598 | info->u.hyper_v.arg5); |
1599 | } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) { |
1600 | qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n" |
1601 | "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n" , |
1602 | info->u.s390.core, |
1603 | S390CrashReason_str(info->u.s390.reason), |
1604 | info->u.s390.psw_mask, |
1605 | info->u.s390.psw_addr); |
1606 | } |
1607 | qapi_free_GuestPanicInformation(info); |
1608 | } |
1609 | } |
1610 | |
1611 | void qemu_system_reset_request(ShutdownCause reason) |
1612 | { |
1613 | if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) { |
1614 | shutdown_requested = reason; |
1615 | } else { |
1616 | reset_requested = reason; |
1617 | } |
1618 | cpu_stop_current(); |
1619 | qemu_notify_event(); |
1620 | } |
1621 | |
1622 | static void qemu_system_suspend(void) |
1623 | { |
1624 | pause_all_vcpus(); |
1625 | notifier_list_notify(&suspend_notifiers, NULL); |
1626 | runstate_set(RUN_STATE_SUSPENDED); |
1627 | qapi_event_send_suspend(); |
1628 | } |
1629 | |
1630 | void qemu_system_suspend_request(void) |
1631 | { |
1632 | if (runstate_check(RUN_STATE_SUSPENDED)) { |
1633 | return; |
1634 | } |
1635 | suspend_requested = 1; |
1636 | cpu_stop_current(); |
1637 | qemu_notify_event(); |
1638 | } |
1639 | |
1640 | void qemu_register_suspend_notifier(Notifier *notifier) |
1641 | { |
1642 | notifier_list_add(&suspend_notifiers, notifier); |
1643 | } |
1644 | |
1645 | void qemu_system_wakeup_request(WakeupReason reason, Error **errp) |
1646 | { |
1647 | trace_system_wakeup_request(reason); |
1648 | |
1649 | if (!runstate_check(RUN_STATE_SUSPENDED)) { |
1650 | error_setg(errp, |
1651 | "Unable to wake up: guest is not in suspended state" ); |
1652 | return; |
1653 | } |
1654 | if (!(wakeup_reason_mask & (1 << reason))) { |
1655 | return; |
1656 | } |
1657 | runstate_set(RUN_STATE_RUNNING); |
1658 | wakeup_reason = reason; |
1659 | qemu_notify_event(); |
1660 | } |
1661 | |
1662 | void qemu_system_wakeup_enable(WakeupReason reason, bool enabled) |
1663 | { |
1664 | if (enabled) { |
1665 | wakeup_reason_mask |= (1 << reason); |
1666 | } else { |
1667 | wakeup_reason_mask &= ~(1 << reason); |
1668 | } |
1669 | } |
1670 | |
1671 | void qemu_register_wakeup_notifier(Notifier *notifier) |
1672 | { |
1673 | notifier_list_add(&wakeup_notifiers, notifier); |
1674 | } |
1675 | |
1676 | void qemu_register_wakeup_support(void) |
1677 | { |
1678 | wakeup_suspend_enabled = true; |
1679 | } |
1680 | |
1681 | bool qemu_wakeup_suspend_enabled(void) |
1682 | { |
1683 | return wakeup_suspend_enabled; |
1684 | } |
1685 | |
1686 | void qemu_system_killed(int signal, pid_t pid) |
1687 | { |
1688 | shutdown_signal = signal; |
1689 | shutdown_pid = pid; |
1690 | no_shutdown = 0; |
1691 | |
1692 | /* Cannot call qemu_system_shutdown_request directly because |
1693 | * we are in a signal handler. |
1694 | */ |
1695 | shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL; |
1696 | qemu_notify_event(); |
1697 | } |
1698 | |
1699 | void qemu_system_shutdown_request(ShutdownCause reason) |
1700 | { |
1701 | trace_qemu_system_shutdown_request(reason); |
1702 | replay_shutdown_request(reason); |
1703 | shutdown_requested = reason; |
1704 | qemu_notify_event(); |
1705 | } |
1706 | |
1707 | static void qemu_system_powerdown(void) |
1708 | { |
1709 | qapi_event_send_powerdown(); |
1710 | notifier_list_notify(&powerdown_notifiers, NULL); |
1711 | } |
1712 | |
1713 | static void qemu_system_shutdown(ShutdownCause cause) |
1714 | { |
1715 | qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause); |
1716 | notifier_list_notify(&shutdown_notifiers, &cause); |
1717 | } |
1718 | |
1719 | void qemu_system_powerdown_request(void) |
1720 | { |
1721 | trace_qemu_system_powerdown_request(); |
1722 | powerdown_requested = 1; |
1723 | qemu_notify_event(); |
1724 | } |
1725 | |
1726 | void qemu_register_powerdown_notifier(Notifier *notifier) |
1727 | { |
1728 | notifier_list_add(&powerdown_notifiers, notifier); |
1729 | } |
1730 | |
1731 | void qemu_register_shutdown_notifier(Notifier *notifier) |
1732 | { |
1733 | notifier_list_add(&shutdown_notifiers, notifier); |
1734 | } |
1735 | |
1736 | void qemu_system_debug_request(void) |
1737 | { |
1738 | debug_requested = 1; |
1739 | qemu_notify_event(); |
1740 | } |
1741 | |
1742 | static bool main_loop_should_exit(void) |
1743 | { |
1744 | RunState r; |
1745 | ShutdownCause request; |
1746 | |
1747 | if (preconfig_exit_requested) { |
1748 | if (runstate_check(RUN_STATE_PRECONFIG)) { |
1749 | runstate_set(RUN_STATE_PRELAUNCH); |
1750 | } |
1751 | preconfig_exit_requested = false; |
1752 | return true; |
1753 | } |
1754 | if (qemu_debug_requested()) { |
1755 | vm_stop(RUN_STATE_DEBUG); |
1756 | } |
1757 | if (qemu_suspend_requested()) { |
1758 | qemu_system_suspend(); |
1759 | } |
1760 | request = qemu_shutdown_requested(); |
1761 | if (request) { |
1762 | qemu_kill_report(); |
1763 | qemu_system_shutdown(request); |
1764 | if (no_shutdown) { |
1765 | vm_stop(RUN_STATE_SHUTDOWN); |
1766 | } else { |
1767 | return true; |
1768 | } |
1769 | } |
1770 | request = qemu_reset_requested(); |
1771 | if (request) { |
1772 | pause_all_vcpus(); |
1773 | qemu_system_reset(request); |
1774 | resume_all_vcpus(); |
1775 | if (!runstate_check(RUN_STATE_RUNNING) && |
1776 | !runstate_check(RUN_STATE_INMIGRATE)) { |
1777 | runstate_set(RUN_STATE_PRELAUNCH); |
1778 | } |
1779 | } |
1780 | if (qemu_wakeup_requested()) { |
1781 | pause_all_vcpus(); |
1782 | qemu_system_wakeup(); |
1783 | notifier_list_notify(&wakeup_notifiers, &wakeup_reason); |
1784 | wakeup_reason = QEMU_WAKEUP_REASON_NONE; |
1785 | resume_all_vcpus(); |
1786 | qapi_event_send_wakeup(); |
1787 | } |
1788 | if (qemu_powerdown_requested()) { |
1789 | qemu_system_powerdown(); |
1790 | } |
1791 | if (qemu_vmstop_requested(&r)) { |
1792 | vm_stop(r); |
1793 | } |
1794 | return false; |
1795 | } |
1796 | |
1797 | static void main_loop(void) |
1798 | { |
1799 | #ifdef CONFIG_PROFILER |
1800 | int64_t ti; |
1801 | #endif |
1802 | while (!main_loop_should_exit()) { |
1803 | #ifdef CONFIG_PROFILER |
1804 | ti = profile_getclock(); |
1805 | #endif |
1806 | main_loop_wait(false); |
1807 | #ifdef CONFIG_PROFILER |
1808 | dev_time += profile_getclock() - ti; |
1809 | #endif |
1810 | } |
1811 | } |
1812 | |
1813 | static void version(void) |
1814 | { |
1815 | printf("QEMU emulator version " QEMU_FULL_VERSION "\n" |
1816 | QEMU_COPYRIGHT "\n" ); |
1817 | } |
1818 | |
1819 | static void help(int exitcode) |
1820 | { |
1821 | version(); |
1822 | printf("usage: %s [options] [disk_image]\n\n" |
1823 | "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n" , |
1824 | error_get_progname()); |
1825 | |
1826 | #define QEMU_OPTIONS_GENERATE_HELP |
1827 | #include "qemu-options-wrapper.h" |
1828 | |
1829 | printf("\nDuring emulation, the following keys are useful:\n" |
1830 | "ctrl-alt-f toggle full screen\n" |
1831 | "ctrl-alt-n switch to virtual console 'n'\n" |
1832 | "ctrl-alt toggle mouse and keyboard grab\n" |
1833 | "\n" |
1834 | "When using -nographic, press 'ctrl-a h' to get some help.\n" |
1835 | "\n" |
1836 | QEMU_HELP_BOTTOM "\n" ); |
1837 | |
1838 | exit(exitcode); |
1839 | } |
1840 | |
1841 | #define HAS_ARG 0x0001 |
1842 | |
1843 | typedef struct QEMUOption { |
1844 | const char *name; |
1845 | int flags; |
1846 | int index; |
1847 | uint32_t arch_mask; |
1848 | } QEMUOption; |
1849 | |
1850 | static const QEMUOption qemu_options[] = { |
1851 | { "h" , 0, QEMU_OPTION_h, QEMU_ARCH_ALL }, |
1852 | #define QEMU_OPTIONS_GENERATE_OPTIONS |
1853 | #include "qemu-options-wrapper.h" |
1854 | { NULL }, |
1855 | }; |
1856 | |
1857 | typedef struct VGAInterfaceInfo { |
1858 | const char *opt_name; /* option name */ |
1859 | const char *name; /* human-readable name */ |
1860 | /* Class names indicating that support is available. |
1861 | * If no class is specified, the interface is always available */ |
1862 | const char *class_names[2]; |
1863 | } VGAInterfaceInfo; |
1864 | |
1865 | static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = { |
1866 | [VGA_NONE] = { |
1867 | .opt_name = "none" , |
1868 | .name = "no graphic card" , |
1869 | }, |
1870 | [VGA_STD] = { |
1871 | .opt_name = "std" , |
1872 | .name = "standard VGA" , |
1873 | .class_names = { "VGA" , "isa-vga" }, |
1874 | }, |
1875 | [VGA_CIRRUS] = { |
1876 | .opt_name = "cirrus" , |
1877 | .name = "Cirrus VGA" , |
1878 | .class_names = { "cirrus-vga" , "isa-cirrus-vga" }, |
1879 | }, |
1880 | [VGA_VMWARE] = { |
1881 | .opt_name = "vmware" , |
1882 | .name = "VMWare SVGA" , |
1883 | .class_names = { "vmware-svga" }, |
1884 | }, |
1885 | [VGA_VIRTIO] = { |
1886 | .opt_name = "virtio" , |
1887 | .name = "Virtio VGA" , |
1888 | .class_names = { "virtio-vga" }, |
1889 | }, |
1890 | [VGA_QXL] = { |
1891 | .opt_name = "qxl" , |
1892 | .name = "QXL VGA" , |
1893 | .class_names = { "qxl-vga" }, |
1894 | }, |
1895 | [VGA_TCX] = { |
1896 | .opt_name = "tcx" , |
1897 | .name = "TCX framebuffer" , |
1898 | .class_names = { "SUNW,tcx" }, |
1899 | }, |
1900 | [VGA_CG3] = { |
1901 | .opt_name = "cg3" , |
1902 | .name = "CG3 framebuffer" , |
1903 | .class_names = { "cgthree" }, |
1904 | }, |
1905 | [VGA_XENFB] = { |
1906 | .opt_name = "xenfb" , |
1907 | .name = "Xen paravirtualized framebuffer" , |
1908 | }, |
1909 | }; |
1910 | |
1911 | static bool vga_interface_available(VGAInterfaceType t) |
1912 | { |
1913 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; |
1914 | |
1915 | assert(t < VGA_TYPE_MAX); |
1916 | return !ti->class_names[0] || |
1917 | object_class_by_name(ti->class_names[0]) || |
1918 | object_class_by_name(ti->class_names[1]); |
1919 | } |
1920 | |
1921 | static const char * |
1922 | get_default_vga_model(const MachineClass *machine_class) |
1923 | { |
1924 | if (machine_class->default_display) { |
1925 | return machine_class->default_display; |
1926 | } else if (vga_interface_available(VGA_CIRRUS)) { |
1927 | return "cirrus" ; |
1928 | } else if (vga_interface_available(VGA_STD)) { |
1929 | return "std" ; |
1930 | } |
1931 | |
1932 | return NULL; |
1933 | } |
1934 | |
1935 | static void select_vgahw(const MachineClass *machine_class, const char *p) |
1936 | { |
1937 | const char *opts; |
1938 | int t; |
1939 | |
1940 | if (g_str_equal(p, "help" )) { |
1941 | const char *def = get_default_vga_model(machine_class); |
1942 | |
1943 | for (t = 0; t < VGA_TYPE_MAX; t++) { |
1944 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; |
1945 | |
1946 | if (vga_interface_available(t) && ti->opt_name) { |
1947 | printf("%-20s %s%s\n" , ti->opt_name, ti->name ?: "" , |
1948 | g_str_equal(ti->opt_name, def) ? " (default)" : "" ); |
1949 | } |
1950 | } |
1951 | exit(0); |
1952 | } |
1953 | |
1954 | assert(vga_interface_type == VGA_NONE); |
1955 | for (t = 0; t < VGA_TYPE_MAX; t++) { |
1956 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; |
1957 | if (ti->opt_name && strstart(p, ti->opt_name, &opts)) { |
1958 | if (!vga_interface_available(t)) { |
1959 | error_report("%s not available" , ti->name); |
1960 | exit(1); |
1961 | } |
1962 | vga_interface_type = t; |
1963 | break; |
1964 | } |
1965 | } |
1966 | if (t == VGA_TYPE_MAX) { |
1967 | invalid_vga: |
1968 | error_report("unknown vga type: %s" , p); |
1969 | exit(1); |
1970 | } |
1971 | while (*opts) { |
1972 | const char *nextopt; |
1973 | |
1974 | if (strstart(opts, ",retrace=" , &nextopt)) { |
1975 | opts = nextopt; |
1976 | if (strstart(opts, "dumb" , &nextopt)) |
1977 | vga_retrace_method = VGA_RETRACE_DUMB; |
1978 | else if (strstart(opts, "precise" , &nextopt)) |
1979 | vga_retrace_method = VGA_RETRACE_PRECISE; |
1980 | else goto invalid_vga; |
1981 | } else goto invalid_vga; |
1982 | opts = nextopt; |
1983 | } |
1984 | } |
1985 | |
1986 | static void parse_display_qapi(const char *optarg) |
1987 | { |
1988 | DisplayOptions *opts; |
1989 | Visitor *v; |
1990 | |
1991 | v = qobject_input_visitor_new_str(optarg, "type" , &error_fatal); |
1992 | |
1993 | visit_type_DisplayOptions(v, NULL, &opts, &error_fatal); |
1994 | QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts); |
1995 | |
1996 | qapi_free_DisplayOptions(opts); |
1997 | visit_free(v); |
1998 | } |
1999 | |
2000 | DisplayOptions *qmp_query_display_options(Error **errp) |
2001 | { |
2002 | return QAPI_CLONE(DisplayOptions, &dpy); |
2003 | } |
2004 | |
2005 | static void parse_display(const char *p) |
2006 | { |
2007 | const char *opts; |
2008 | |
2009 | if (strstart(p, "sdl" , &opts)) { |
2010 | /* |
2011 | * sdl DisplayType needs hand-crafted parser instead of |
2012 | * parse_display_qapi() due to some options not in |
2013 | * DisplayOptions, specifically: |
2014 | * - frame |
2015 | * Already deprecated. |
2016 | * - ctrl_grab + alt_grab |
2017 | * Not clear yet what happens to them long-term. Should |
2018 | * replaced by something better or deprecated and dropped. |
2019 | */ |
2020 | dpy.type = DISPLAY_TYPE_SDL; |
2021 | while (*opts) { |
2022 | const char *nextopt; |
2023 | |
2024 | if (strstart(opts, ",alt_grab=" , &nextopt)) { |
2025 | opts = nextopt; |
2026 | if (strstart(opts, "on" , &nextopt)) { |
2027 | alt_grab = 1; |
2028 | } else if (strstart(opts, "off" , &nextopt)) { |
2029 | alt_grab = 0; |
2030 | } else { |
2031 | goto invalid_sdl_args; |
2032 | } |
2033 | } else if (strstart(opts, ",ctrl_grab=" , &nextopt)) { |
2034 | opts = nextopt; |
2035 | if (strstart(opts, "on" , &nextopt)) { |
2036 | ctrl_grab = 1; |
2037 | } else if (strstart(opts, "off" , &nextopt)) { |
2038 | ctrl_grab = 0; |
2039 | } else { |
2040 | goto invalid_sdl_args; |
2041 | } |
2042 | } else if (strstart(opts, ",window_close=" , &nextopt)) { |
2043 | opts = nextopt; |
2044 | dpy.has_window_close = true; |
2045 | if (strstart(opts, "on" , &nextopt)) { |
2046 | dpy.window_close = true; |
2047 | } else if (strstart(opts, "off" , &nextopt)) { |
2048 | dpy.window_close = false; |
2049 | } else { |
2050 | goto invalid_sdl_args; |
2051 | } |
2052 | } else if (strstart(opts, ",gl=" , &nextopt)) { |
2053 | opts = nextopt; |
2054 | dpy.has_gl = true; |
2055 | if (strstart(opts, "on" , &nextopt)) { |
2056 | dpy.gl = DISPLAYGL_MODE_ON; |
2057 | } else if (strstart(opts, "core" , &nextopt)) { |
2058 | dpy.gl = DISPLAYGL_MODE_CORE; |
2059 | } else if (strstart(opts, "es" , &nextopt)) { |
2060 | dpy.gl = DISPLAYGL_MODE_ES; |
2061 | } else if (strstart(opts, "off" , &nextopt)) { |
2062 | dpy.gl = DISPLAYGL_MODE_OFF; |
2063 | } else { |
2064 | goto invalid_sdl_args; |
2065 | } |
2066 | } else { |
2067 | invalid_sdl_args: |
2068 | error_report("invalid SDL option string" ); |
2069 | exit(1); |
2070 | } |
2071 | opts = nextopt; |
2072 | } |
2073 | } else if (strstart(p, "vnc" , &opts)) { |
2074 | /* |
2075 | * vnc isn't a (local) DisplayType but a protocol for remote |
2076 | * display access. |
2077 | */ |
2078 | if (*opts == '=') { |
2079 | vnc_parse(opts + 1, &error_fatal); |
2080 | } else { |
2081 | error_report("VNC requires a display argument vnc=<display>" ); |
2082 | exit(1); |
2083 | } |
2084 | } else { |
2085 | parse_display_qapi(p); |
2086 | } |
2087 | } |
2088 | |
2089 | char *qemu_find_file(int type, const char *name) |
2090 | { |
2091 | int i; |
2092 | const char *subdir; |
2093 | char *buf; |
2094 | |
2095 | /* Try the name as a straight path first */ |
2096 | if (access(name, R_OK) == 0) { |
2097 | trace_load_file(name, name); |
2098 | return g_strdup(name); |
2099 | } |
2100 | |
2101 | switch (type) { |
2102 | case QEMU_FILE_TYPE_BIOS: |
2103 | subdir = "" ; |
2104 | break; |
2105 | case QEMU_FILE_TYPE_KEYMAP: |
2106 | subdir = "keymaps/" ; |
2107 | break; |
2108 | default: |
2109 | abort(); |
2110 | } |
2111 | |
2112 | for (i = 0; i < data_dir_idx; i++) { |
2113 | buf = g_strdup_printf("%s/%s%s" , data_dir[i], subdir, name); |
2114 | if (access(buf, R_OK) == 0) { |
2115 | trace_load_file(name, buf); |
2116 | return buf; |
2117 | } |
2118 | g_free(buf); |
2119 | } |
2120 | return NULL; |
2121 | } |
2122 | |
2123 | static void qemu_add_data_dir(const char *path) |
2124 | { |
2125 | int i; |
2126 | |
2127 | if (path == NULL) { |
2128 | return; |
2129 | } |
2130 | if (data_dir_idx == ARRAY_SIZE(data_dir)) { |
2131 | return; |
2132 | } |
2133 | for (i = 0; i < data_dir_idx; i++) { |
2134 | if (strcmp(data_dir[i], path) == 0) { |
2135 | return; /* duplicate */ |
2136 | } |
2137 | } |
2138 | data_dir[data_dir_idx++] = g_strdup(path); |
2139 | } |
2140 | |
2141 | static inline bool nonempty_str(const char *str) |
2142 | { |
2143 | return str && *str; |
2144 | } |
2145 | |
2146 | static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp) |
2147 | { |
2148 | gchar *buf; |
2149 | size_t size; |
2150 | const char *name, *file, *str; |
2151 | FWCfgState *fw_cfg = (FWCfgState *) opaque; |
2152 | |
2153 | if (fw_cfg == NULL) { |
2154 | error_setg(errp, "fw_cfg device not available" ); |
2155 | return -1; |
2156 | } |
2157 | name = qemu_opt_get(opts, "name" ); |
2158 | file = qemu_opt_get(opts, "file" ); |
2159 | str = qemu_opt_get(opts, "string" ); |
2160 | |
2161 | /* we need name and either a file or the content string */ |
2162 | if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) { |
2163 | error_setg(errp, "invalid argument(s)" ); |
2164 | return -1; |
2165 | } |
2166 | if (nonempty_str(file) && nonempty_str(str)) { |
2167 | error_setg(errp, "file and string are mutually exclusive" ); |
2168 | return -1; |
2169 | } |
2170 | if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) { |
2171 | error_setg(errp, "name too long (max. %d char)" , |
2172 | FW_CFG_MAX_FILE_PATH - 1); |
2173 | return -1; |
2174 | } |
2175 | if (strncmp(name, "opt/" , 4) != 0) { |
2176 | warn_report("externally provided fw_cfg item names " |
2177 | "should be prefixed with \"opt/\"" ); |
2178 | } |
2179 | if (nonempty_str(str)) { |
2180 | size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */ |
2181 | buf = g_memdup(str, size); |
2182 | } else { |
2183 | GError *err = NULL; |
2184 | if (!g_file_get_contents(file, &buf, &size, &err)) { |
2185 | error_setg(errp, "can't load %s: %s" , file, err->message); |
2186 | g_error_free(err); |
2187 | return -1; |
2188 | } |
2189 | } |
2190 | /* For legacy, keep user files in a specific global order. */ |
2191 | fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER); |
2192 | fw_cfg_add_file(fw_cfg, name, buf, size); |
2193 | fw_cfg_reset_order_override(fw_cfg); |
2194 | return 0; |
2195 | } |
2196 | |
2197 | static int device_help_func(void *opaque, QemuOpts *opts, Error **errp) |
2198 | { |
2199 | return qdev_device_help(opts); |
2200 | } |
2201 | |
2202 | static int device_init_func(void *opaque, QemuOpts *opts, Error **errp) |
2203 | { |
2204 | DeviceState *dev; |
2205 | |
2206 | dev = qdev_device_add(opts, errp); |
2207 | if (!dev) { |
2208 | return -1; |
2209 | } |
2210 | object_unref(OBJECT(dev)); |
2211 | return 0; |
2212 | } |
2213 | |
2214 | static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp) |
2215 | { |
2216 | Error *local_err = NULL; |
2217 | |
2218 | if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) { |
2219 | if (local_err) { |
2220 | error_propagate(errp, local_err); |
2221 | return -1; |
2222 | } |
2223 | exit(0); |
2224 | } |
2225 | return 0; |
2226 | } |
2227 | |
2228 | #ifdef CONFIG_VIRTFS |
2229 | static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp) |
2230 | { |
2231 | return qemu_fsdev_add(opts, errp); |
2232 | } |
2233 | #endif |
2234 | |
2235 | static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp) |
2236 | { |
2237 | Chardev *chr; |
2238 | bool qmp; |
2239 | bool pretty = false; |
2240 | const char *chardev; |
2241 | const char *mode; |
2242 | |
2243 | mode = qemu_opt_get(opts, "mode" ); |
2244 | if (mode == NULL) { |
2245 | mode = "readline" ; |
2246 | } |
2247 | if (strcmp(mode, "readline" ) == 0) { |
2248 | qmp = false; |
2249 | } else if (strcmp(mode, "control" ) == 0) { |
2250 | qmp = true; |
2251 | } else { |
2252 | error_setg(errp, "unknown monitor mode \"%s\"" , mode); |
2253 | return -1; |
2254 | } |
2255 | |
2256 | if (!qmp && qemu_opt_get(opts, "pretty" )) { |
2257 | warn_report("'pretty' is deprecated for HMP monitors, it has no effect " |
2258 | "and will be removed in future versions" ); |
2259 | } |
2260 | if (qemu_opt_get_bool(opts, "pretty" , 0)) { |
2261 | pretty = true; |
2262 | } |
2263 | |
2264 | chardev = qemu_opt_get(opts, "chardev" ); |
2265 | if (!chardev) { |
2266 | error_report("chardev is required" ); |
2267 | exit(1); |
2268 | } |
2269 | chr = qemu_chr_find(chardev); |
2270 | if (chr == NULL) { |
2271 | error_setg(errp, "chardev \"%s\" not found" , chardev); |
2272 | return -1; |
2273 | } |
2274 | |
2275 | if (qmp) { |
2276 | monitor_init_qmp(chr, pretty); |
2277 | } else { |
2278 | monitor_init_hmp(chr, true); |
2279 | } |
2280 | return 0; |
2281 | } |
2282 | |
2283 | static void monitor_parse(const char *optarg, const char *mode, bool pretty) |
2284 | { |
2285 | static int monitor_device_index = 0; |
2286 | QemuOpts *opts; |
2287 | const char *p; |
2288 | char label[32]; |
2289 | |
2290 | if (strstart(optarg, "chardev:" , &p)) { |
2291 | snprintf(label, sizeof(label), "%s" , p); |
2292 | } else { |
2293 | snprintf(label, sizeof(label), "compat_monitor%d" , |
2294 | monitor_device_index); |
2295 | opts = qemu_chr_parse_compat(label, optarg, true); |
2296 | if (!opts) { |
2297 | error_report("parse error: %s" , optarg); |
2298 | exit(1); |
2299 | } |
2300 | } |
2301 | |
2302 | opts = qemu_opts_create(qemu_find_opts("mon" ), label, 1, &error_fatal); |
2303 | qemu_opt_set(opts, "mode" , mode, &error_abort); |
2304 | qemu_opt_set(opts, "chardev" , label, &error_abort); |
2305 | if (!strcmp(mode, "control" )) { |
2306 | qemu_opt_set_bool(opts, "pretty" , pretty, &error_abort); |
2307 | } else { |
2308 | assert(pretty == false); |
2309 | } |
2310 | monitor_device_index++; |
2311 | } |
2312 | |
2313 | struct device_config { |
2314 | enum { |
2315 | DEV_USB, /* -usbdevice */ |
2316 | DEV_BT, /* -bt */ |
2317 | DEV_SERIAL, /* -serial */ |
2318 | DEV_PARALLEL, /* -parallel */ |
2319 | DEV_DEBUGCON, /* -debugcon */ |
2320 | DEV_GDB, /* -gdb, -s */ |
2321 | DEV_SCLP, /* s390 sclp */ |
2322 | } type; |
2323 | const char *cmdline; |
2324 | Location loc; |
2325 | QTAILQ_ENTRY(device_config) next; |
2326 | }; |
2327 | |
2328 | static QTAILQ_HEAD(, device_config) device_configs = |
2329 | QTAILQ_HEAD_INITIALIZER(device_configs); |
2330 | |
2331 | static void add_device_config(int type, const char *cmdline) |
2332 | { |
2333 | struct device_config *conf; |
2334 | |
2335 | conf = g_malloc0(sizeof(*conf)); |
2336 | conf->type = type; |
2337 | conf->cmdline = cmdline; |
2338 | loc_save(&conf->loc); |
2339 | QTAILQ_INSERT_TAIL(&device_configs, conf, next); |
2340 | } |
2341 | |
2342 | static int foreach_device_config(int type, int (*func)(const char *cmdline)) |
2343 | { |
2344 | struct device_config *conf; |
2345 | int rc; |
2346 | |
2347 | QTAILQ_FOREACH(conf, &device_configs, next) { |
2348 | if (conf->type != type) |
2349 | continue; |
2350 | loc_push_restore(&conf->loc); |
2351 | rc = func(conf->cmdline); |
2352 | loc_pop(&conf->loc); |
2353 | if (rc) { |
2354 | return rc; |
2355 | } |
2356 | } |
2357 | return 0; |
2358 | } |
2359 | |
2360 | static int serial_parse(const char *devname) |
2361 | { |
2362 | int index = num_serial_hds; |
2363 | char label[32]; |
2364 | |
2365 | if (strcmp(devname, "none" ) == 0) |
2366 | return 0; |
2367 | snprintf(label, sizeof(label), "serial%d" , index); |
2368 | serial_hds = g_renew(Chardev *, serial_hds, index + 1); |
2369 | |
2370 | serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL); |
2371 | if (!serial_hds[index]) { |
2372 | error_report("could not connect serial device" |
2373 | " to character backend '%s'" , devname); |
2374 | return -1; |
2375 | } |
2376 | num_serial_hds++; |
2377 | return 0; |
2378 | } |
2379 | |
2380 | Chardev *serial_hd(int i) |
2381 | { |
2382 | assert(i >= 0); |
2383 | if (i < num_serial_hds) { |
2384 | return serial_hds[i]; |
2385 | } |
2386 | return NULL; |
2387 | } |
2388 | |
2389 | int serial_max_hds(void) |
2390 | { |
2391 | return num_serial_hds; |
2392 | } |
2393 | |
2394 | static int parallel_parse(const char *devname) |
2395 | { |
2396 | static int index = 0; |
2397 | char label[32]; |
2398 | |
2399 | if (strcmp(devname, "none" ) == 0) |
2400 | return 0; |
2401 | if (index == MAX_PARALLEL_PORTS) { |
2402 | error_report("too many parallel ports" ); |
2403 | exit(1); |
2404 | } |
2405 | snprintf(label, sizeof(label), "parallel%d" , index); |
2406 | parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL); |
2407 | if (!parallel_hds[index]) { |
2408 | error_report("could not connect parallel device" |
2409 | " to character backend '%s'" , devname); |
2410 | return -1; |
2411 | } |
2412 | index++; |
2413 | return 0; |
2414 | } |
2415 | |
2416 | static int debugcon_parse(const char *devname) |
2417 | { |
2418 | QemuOpts *opts; |
2419 | |
2420 | if (!qemu_chr_new_mux_mon("debugcon" , devname, NULL)) { |
2421 | error_report("invalid character backend '%s'" , devname); |
2422 | exit(1); |
2423 | } |
2424 | opts = qemu_opts_create(qemu_find_opts("device" ), "debugcon" , 1, NULL); |
2425 | if (!opts) { |
2426 | error_report("already have a debugcon device" ); |
2427 | exit(1); |
2428 | } |
2429 | qemu_opt_set(opts, "driver" , "isa-debugcon" , &error_abort); |
2430 | qemu_opt_set(opts, "chardev" , "debugcon" , &error_abort); |
2431 | return 0; |
2432 | } |
2433 | |
2434 | static gint machine_class_cmp(gconstpointer a, gconstpointer b) |
2435 | { |
2436 | const MachineClass *mc1 = a, *mc2 = b; |
2437 | int res; |
2438 | |
2439 | if (mc1->family == NULL) { |
2440 | if (mc2->family == NULL) { |
2441 | /* Compare standalone machine types against each other; they sort |
2442 | * in increasing order. |
2443 | */ |
2444 | return strcmp(object_class_get_name(OBJECT_CLASS(mc1)), |
2445 | object_class_get_name(OBJECT_CLASS(mc2))); |
2446 | } |
2447 | |
2448 | /* Standalone machine types sort after families. */ |
2449 | return 1; |
2450 | } |
2451 | |
2452 | if (mc2->family == NULL) { |
2453 | /* Families sort before standalone machine types. */ |
2454 | return -1; |
2455 | } |
2456 | |
2457 | /* Families sort between each other alphabetically increasingly. */ |
2458 | res = strcmp(mc1->family, mc2->family); |
2459 | if (res != 0) { |
2460 | return res; |
2461 | } |
2462 | |
2463 | /* Within the same family, machine types sort in decreasing order. */ |
2464 | return strcmp(object_class_get_name(OBJECT_CLASS(mc2)), |
2465 | object_class_get_name(OBJECT_CLASS(mc1))); |
2466 | } |
2467 | |
2468 | static MachineClass *machine_parse(const char *name, GSList *machines) |
2469 | { |
2470 | MachineClass *mc; |
2471 | GSList *el; |
2472 | |
2473 | if (is_help_option(name)) { |
2474 | printf("Supported machines are:\n" ); |
2475 | machines = g_slist_sort(machines, machine_class_cmp); |
2476 | for (el = machines; el; el = el->next) { |
2477 | MachineClass *mc = el->data; |
2478 | if (mc->alias) { |
2479 | printf("%-20s %s (alias of %s)\n" , mc->alias, mc->desc, mc->name); |
2480 | } |
2481 | printf("%-20s %s%s%s\n" , mc->name, mc->desc, |
2482 | mc->is_default ? " (default)" : "" , |
2483 | mc->deprecation_reason ? " (deprecated)" : "" ); |
2484 | } |
2485 | exit(0); |
2486 | } |
2487 | |
2488 | mc = find_machine(name, machines); |
2489 | if (!mc) { |
2490 | error_report("unsupported machine type" ); |
2491 | error_printf("Use -machine help to list supported machines\n" ); |
2492 | exit(1); |
2493 | } |
2494 | return mc; |
2495 | } |
2496 | |
2497 | void qemu_add_exit_notifier(Notifier *notify) |
2498 | { |
2499 | notifier_list_add(&exit_notifiers, notify); |
2500 | } |
2501 | |
2502 | void qemu_remove_exit_notifier(Notifier *notify) |
2503 | { |
2504 | notifier_remove(notify); |
2505 | } |
2506 | |
2507 | static void qemu_run_exit_notifiers(void) |
2508 | { |
2509 | notifier_list_notify(&exit_notifiers, NULL); |
2510 | } |
2511 | |
2512 | static const char *pid_file; |
2513 | static Notifier qemu_unlink_pidfile_notifier; |
2514 | |
2515 | static void qemu_unlink_pidfile(Notifier *n, void *data) |
2516 | { |
2517 | if (pid_file) { |
2518 | unlink(pid_file); |
2519 | } |
2520 | } |
2521 | |
2522 | bool machine_init_done; |
2523 | |
2524 | void qemu_add_machine_init_done_notifier(Notifier *notify) |
2525 | { |
2526 | notifier_list_add(&machine_init_done_notifiers, notify); |
2527 | if (machine_init_done) { |
2528 | notify->notify(notify, NULL); |
2529 | } |
2530 | } |
2531 | |
2532 | void qemu_remove_machine_init_done_notifier(Notifier *notify) |
2533 | { |
2534 | notifier_remove(notify); |
2535 | } |
2536 | |
2537 | static void qemu_run_machine_init_done_notifiers(void) |
2538 | { |
2539 | machine_init_done = true; |
2540 | notifier_list_notify(&machine_init_done_notifiers, NULL); |
2541 | } |
2542 | |
2543 | static const QEMUOption *lookup_opt(int argc, char **argv, |
2544 | const char **poptarg, int *poptind) |
2545 | { |
2546 | const QEMUOption *popt; |
2547 | int optind = *poptind; |
2548 | char *r = argv[optind]; |
2549 | const char *optarg; |
2550 | |
2551 | loc_set_cmdline(argv, optind, 1); |
2552 | optind++; |
2553 | /* Treat --foo the same as -foo. */ |
2554 | if (r[1] == '-') |
2555 | r++; |
2556 | popt = qemu_options; |
2557 | for(;;) { |
2558 | if (!popt->name) { |
2559 | error_report("invalid option" ); |
2560 | exit(1); |
2561 | } |
2562 | if (!strcmp(popt->name, r + 1)) |
2563 | break; |
2564 | popt++; |
2565 | } |
2566 | if (popt->flags & HAS_ARG) { |
2567 | if (optind >= argc) { |
2568 | error_report("requires an argument" ); |
2569 | exit(1); |
2570 | } |
2571 | optarg = argv[optind++]; |
2572 | loc_set_cmdline(argv, optind - 2, 2); |
2573 | } else { |
2574 | optarg = NULL; |
2575 | } |
2576 | |
2577 | *poptarg = optarg; |
2578 | *poptind = optind; |
2579 | |
2580 | return popt; |
2581 | } |
2582 | |
2583 | static MachineClass *select_machine(void) |
2584 | { |
2585 | GSList *machines = object_class_get_list(TYPE_MACHINE, false); |
2586 | MachineClass *machine_class = find_default_machine(machines); |
2587 | const char *optarg; |
2588 | QemuOpts *opts; |
2589 | Location loc; |
2590 | |
2591 | loc_push_none(&loc); |
2592 | |
2593 | opts = qemu_get_machine_opts(); |
2594 | qemu_opts_loc_restore(opts); |
2595 | |
2596 | optarg = qemu_opt_get(opts, "type" ); |
2597 | if (optarg) { |
2598 | machine_class = machine_parse(optarg, machines); |
2599 | } |
2600 | |
2601 | if (!machine_class) { |
2602 | error_report("No machine specified, and there is no default" ); |
2603 | error_printf("Use -machine help to list supported machines\n" ); |
2604 | exit(1); |
2605 | } |
2606 | |
2607 | loc_pop(&loc); |
2608 | g_slist_free(machines); |
2609 | return machine_class; |
2610 | } |
2611 | |
2612 | static int machine_set_property(void *opaque, |
2613 | const char *name, const char *value, |
2614 | Error **errp) |
2615 | { |
2616 | Object *obj = OBJECT(opaque); |
2617 | Error *local_err = NULL; |
2618 | char *p, *qom_name; |
2619 | |
2620 | if (strcmp(name, "type" ) == 0) { |
2621 | return 0; |
2622 | } |
2623 | |
2624 | qom_name = g_strdup(name); |
2625 | for (p = qom_name; *p; p++) { |
2626 | if (*p == '_') { |
2627 | *p = '-'; |
2628 | } |
2629 | } |
2630 | |
2631 | object_property_parse(obj, value, qom_name, &local_err); |
2632 | g_free(qom_name); |
2633 | |
2634 | if (local_err) { |
2635 | error_propagate(errp, local_err); |
2636 | return -1; |
2637 | } |
2638 | |
2639 | return 0; |
2640 | } |
2641 | |
2642 | |
2643 | /* |
2644 | * Initial object creation happens before all other |
2645 | * QEMU data types are created. The majority of objects |
2646 | * can be created at this point. The rng-egd object |
2647 | * cannot be created here, as it depends on the chardev |
2648 | * already existing. |
2649 | */ |
2650 | static bool object_create_initial(const char *type, QemuOpts *opts) |
2651 | { |
2652 | ObjectClass *klass; |
2653 | |
2654 | if (is_help_option(type)) { |
2655 | GSList *l, *list; |
2656 | |
2657 | printf("List of user creatable objects:\n" ); |
2658 | list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false); |
2659 | for (l = list; l != NULL; l = l->next) { |
2660 | ObjectClass *oc = OBJECT_CLASS(l->data); |
2661 | printf(" %s\n" , object_class_get_name(oc)); |
2662 | } |
2663 | g_slist_free(list); |
2664 | exit(0); |
2665 | } |
2666 | |
2667 | klass = object_class_by_name(type); |
2668 | if (klass && qemu_opt_has_help_opt(opts)) { |
2669 | ObjectPropertyIterator iter; |
2670 | ObjectProperty *prop; |
2671 | GPtrArray *array = g_ptr_array_new(); |
2672 | int i; |
2673 | |
2674 | object_class_property_iter_init(&iter, klass); |
2675 | while ((prop = object_property_iter_next(&iter))) { |
2676 | GString *str; |
2677 | |
2678 | if (!prop->set) { |
2679 | continue; |
2680 | } |
2681 | |
2682 | str = g_string_new(NULL); |
2683 | g_string_append_printf(str, " %s=<%s>" , prop->name, prop->type); |
2684 | if (prop->description) { |
2685 | if (str->len < 24) { |
2686 | g_string_append_printf(str, "%*s" , 24 - (int)str->len, "" ); |
2687 | } |
2688 | g_string_append_printf(str, " - %s" , prop->description); |
2689 | } |
2690 | g_ptr_array_add(array, g_string_free(str, false)); |
2691 | } |
2692 | g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0); |
2693 | if (array->len > 0) { |
2694 | printf("%s options:\n" , type); |
2695 | } else { |
2696 | printf("There are no options for %s.\n" , type); |
2697 | } |
2698 | for (i = 0; i < array->len; i++) { |
2699 | printf("%s\n" , (char *)array->pdata[i]); |
2700 | } |
2701 | g_ptr_array_set_free_func(array, g_free); |
2702 | g_ptr_array_free(array, true); |
2703 | exit(0); |
2704 | } |
2705 | |
2706 | /* |
2707 | * Objects should not be made "delayed" without a reason. If you |
2708 | * add one, state the reason in a comment! |
2709 | */ |
2710 | |
2711 | /* Reason: rng-egd property "chardev" */ |
2712 | if (g_str_equal(type, "rng-egd" )) { |
2713 | return false; |
2714 | } |
2715 | |
2716 | #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX) |
2717 | /* Reason: cryptodev-vhost-user property "chardev" */ |
2718 | if (g_str_equal(type, "cryptodev-vhost-user" )) { |
2719 | return false; |
2720 | } |
2721 | #endif |
2722 | |
2723 | /* |
2724 | * Reason: filter-* property "netdev" etc. |
2725 | */ |
2726 | if (g_str_equal(type, "filter-buffer" ) || |
2727 | g_str_equal(type, "filter-dump" ) || |
2728 | g_str_equal(type, "filter-mirror" ) || |
2729 | g_str_equal(type, "filter-redirector" ) || |
2730 | g_str_equal(type, "colo-compare" ) || |
2731 | g_str_equal(type, "filter-rewriter" ) || |
2732 | g_str_equal(type, "filter-replay" )) { |
2733 | return false; |
2734 | } |
2735 | |
2736 | /* Memory allocation by backends needs to be done |
2737 | * after configure_accelerator() (due to the tcg_enabled() |
2738 | * checks at memory_region_init_*()). |
2739 | * |
2740 | * Also, allocation of large amounts of memory may delay |
2741 | * chardev initialization for too long, and trigger timeouts |
2742 | * on software that waits for a monitor socket to be created |
2743 | * (e.g. libvirt). |
2744 | */ |
2745 | if (g_str_has_prefix(type, "memory-backend-" )) { |
2746 | return false; |
2747 | } |
2748 | |
2749 | return true; |
2750 | } |
2751 | |
2752 | |
2753 | /* |
2754 | * The remainder of object creation happens after the |
2755 | * creation of chardev, fsdev, net clients and device data types. |
2756 | */ |
2757 | static bool object_create_delayed(const char *type, QemuOpts *opts) |
2758 | { |
2759 | return !object_create_initial(type, opts); |
2760 | } |
2761 | |
2762 | |
2763 | static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size, |
2764 | MachineClass *mc) |
2765 | { |
2766 | uint64_t sz; |
2767 | const char *mem_str; |
2768 | const ram_addr_t default_ram_size = mc->default_ram_size; |
2769 | QemuOpts *opts = qemu_find_opts_singleton("memory" ); |
2770 | Location loc; |
2771 | |
2772 | loc_push_none(&loc); |
2773 | qemu_opts_loc_restore(opts); |
2774 | |
2775 | sz = 0; |
2776 | mem_str = qemu_opt_get(opts, "size" ); |
2777 | if (mem_str) { |
2778 | if (!*mem_str) { |
2779 | error_report("missing 'size' option value" ); |
2780 | exit(EXIT_FAILURE); |
2781 | } |
2782 | |
2783 | sz = qemu_opt_get_size(opts, "size" , ram_size); |
2784 | |
2785 | /* Fix up legacy suffix-less format */ |
2786 | if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) { |
2787 | uint64_t overflow_check = sz; |
2788 | |
2789 | sz *= MiB; |
2790 | if (sz / MiB != overflow_check) { |
2791 | error_report("too large 'size' option value" ); |
2792 | exit(EXIT_FAILURE); |
2793 | } |
2794 | } |
2795 | } |
2796 | |
2797 | /* backward compatibility behaviour for case "-m 0" */ |
2798 | if (sz == 0) { |
2799 | sz = default_ram_size; |
2800 | } |
2801 | |
2802 | sz = QEMU_ALIGN_UP(sz, 8192); |
2803 | ram_size = sz; |
2804 | if (ram_size != sz) { |
2805 | error_report("ram size too large" ); |
2806 | exit(EXIT_FAILURE); |
2807 | } |
2808 | |
2809 | /* store value for the future use */ |
2810 | qemu_opt_set_number(opts, "size" , ram_size, &error_abort); |
2811 | *maxram_size = ram_size; |
2812 | |
2813 | if (qemu_opt_get(opts, "maxmem" )) { |
2814 | uint64_t slots; |
2815 | |
2816 | sz = qemu_opt_get_size(opts, "maxmem" , 0); |
2817 | slots = qemu_opt_get_number(opts, "slots" , 0); |
2818 | if (sz < ram_size) { |
2819 | error_report("invalid value of -m option maxmem: " |
2820 | "maximum memory size (0x%" PRIx64 ") must be at least " |
2821 | "the initial memory size (0x" RAM_ADDR_FMT ")" , |
2822 | sz, ram_size); |
2823 | exit(EXIT_FAILURE); |
2824 | } else if (slots && sz == ram_size) { |
2825 | error_report("invalid value of -m option maxmem: " |
2826 | "memory slots were specified but maximum memory size " |
2827 | "(0x%" PRIx64 ") is equal to the initial memory size " |
2828 | "(0x" RAM_ADDR_FMT ")" , sz, ram_size); |
2829 | exit(EXIT_FAILURE); |
2830 | } |
2831 | |
2832 | *maxram_size = sz; |
2833 | *ram_slots = slots; |
2834 | } else if (qemu_opt_get(opts, "slots" )) { |
2835 | error_report("invalid -m option value: missing 'maxmem' option" ); |
2836 | exit(EXIT_FAILURE); |
2837 | } |
2838 | |
2839 | loc_pop(&loc); |
2840 | } |
2841 | |
2842 | static int global_init_func(void *opaque, QemuOpts *opts, Error **errp) |
2843 | { |
2844 | GlobalProperty *g; |
2845 | |
2846 | g = g_malloc0(sizeof(*g)); |
2847 | g->driver = qemu_opt_get(opts, "driver" ); |
2848 | g->property = qemu_opt_get(opts, "property" ); |
2849 | g->value = qemu_opt_get(opts, "value" ); |
2850 | qdev_prop_register_global(g); |
2851 | return 0; |
2852 | } |
2853 | |
2854 | static int qemu_read_default_config_file(void) |
2855 | { |
2856 | int ret; |
2857 | |
2858 | ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf" ); |
2859 | if (ret < 0 && ret != -ENOENT) { |
2860 | return ret; |
2861 | } |
2862 | |
2863 | return 0; |
2864 | } |
2865 | |
2866 | static void user_register_global_props(void) |
2867 | { |
2868 | qemu_opts_foreach(qemu_find_opts("global" ), |
2869 | global_init_func, NULL, NULL); |
2870 | } |
2871 | |
2872 | int main(int argc, char **argv, char **envp) |
2873 | { |
2874 | int i; |
2875 | int snapshot, linux_boot; |
2876 | const char *initrd_filename; |
2877 | const char *kernel_filename, *kernel_cmdline; |
2878 | const char *boot_order = NULL; |
2879 | const char *boot_once = NULL; |
2880 | DisplayState *ds; |
2881 | QemuOpts *opts, *machine_opts; |
2882 | QemuOpts *icount_opts = NULL, *accel_opts = NULL; |
2883 | QemuOptsList *olist; |
2884 | int optind; |
2885 | const char *optarg; |
2886 | const char *loadvm = NULL; |
2887 | MachineClass *machine_class; |
2888 | const char *cpu_option; |
2889 | const char *vga_model = NULL; |
2890 | const char *qtest_chrdev = NULL; |
2891 | const char *qtest_log = NULL; |
2892 | const char *incoming = NULL; |
2893 | bool userconfig = true; |
2894 | bool nographic = false; |
2895 | int display_remote = 0; |
2896 | const char *log_mask = NULL; |
2897 | const char *log_file = NULL; |
2898 | char *trace_file = NULL; |
2899 | ram_addr_t maxram_size; |
2900 | uint64_t ram_slots = 0; |
2901 | FILE *vmstate_dump_file = NULL; |
2902 | Error *main_loop_err = NULL; |
2903 | Error *err = NULL; |
2904 | bool list_data_dirs = false; |
2905 | char *dir, **dirs; |
2906 | BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue); |
2907 | |
2908 | os_set_line_buffering(); |
2909 | |
2910 | error_init(argv[0]); |
2911 | module_call_init(MODULE_INIT_TRACE); |
2912 | |
2913 | qemu_init_cpu_list(); |
2914 | qemu_init_cpu_loop(); |
2915 | |
2916 | qemu_mutex_lock_iothread(); |
2917 | |
2918 | atexit(qemu_run_exit_notifiers); |
2919 | qemu_init_exec_dir(argv[0]); |
2920 | |
2921 | module_call_init(MODULE_INIT_QOM); |
2922 | |
2923 | qemu_add_opts(&qemu_drive_opts); |
2924 | qemu_add_drive_opts(&qemu_legacy_drive_opts); |
2925 | qemu_add_drive_opts(&qemu_common_drive_opts); |
2926 | qemu_add_drive_opts(&qemu_drive_opts); |
2927 | qemu_add_drive_opts(&bdrv_runtime_opts); |
2928 | qemu_add_opts(&qemu_chardev_opts); |
2929 | qemu_add_opts(&qemu_device_opts); |
2930 | qemu_add_opts(&qemu_netdev_opts); |
2931 | qemu_add_opts(&qemu_nic_opts); |
2932 | qemu_add_opts(&qemu_net_opts); |
2933 | qemu_add_opts(&qemu_rtc_opts); |
2934 | qemu_add_opts(&qemu_global_opts); |
2935 | qemu_add_opts(&qemu_mon_opts); |
2936 | qemu_add_opts(&qemu_trace_opts); |
2937 | qemu_add_opts(&qemu_option_rom_opts); |
2938 | qemu_add_opts(&qemu_machine_opts); |
2939 | qemu_add_opts(&qemu_accel_opts); |
2940 | qemu_add_opts(&qemu_mem_opts); |
2941 | qemu_add_opts(&qemu_smp_opts); |
2942 | qemu_add_opts(&qemu_boot_opts); |
2943 | qemu_add_opts(&qemu_add_fd_opts); |
2944 | qemu_add_opts(&qemu_object_opts); |
2945 | qemu_add_opts(&qemu_tpmdev_opts); |
2946 | qemu_add_opts(&qemu_realtime_opts); |
2947 | qemu_add_opts(&qemu_overcommit_opts); |
2948 | qemu_add_opts(&qemu_msg_opts); |
2949 | qemu_add_opts(&qemu_name_opts); |
2950 | qemu_add_opts(&qemu_numa_opts); |
2951 | qemu_add_opts(&qemu_icount_opts); |
2952 | qemu_add_opts(&qemu_semihosting_config_opts); |
2953 | qemu_add_opts(&qemu_fw_cfg_opts); |
2954 | module_call_init(MODULE_INIT_OPTS); |
2955 | |
2956 | runstate_init(); |
2957 | precopy_infrastructure_init(); |
2958 | postcopy_infrastructure_init(); |
2959 | monitor_init_globals(); |
2960 | |
2961 | if (qcrypto_init(&err) < 0) { |
2962 | error_reportf_err(err, "cannot initialize crypto: " ); |
2963 | exit(1); |
2964 | } |
2965 | |
2966 | QTAILQ_INIT(&vm_change_state_head); |
2967 | os_setup_early_signal_handling(); |
2968 | |
2969 | cpu_option = NULL; |
2970 | snapshot = 0; |
2971 | |
2972 | nb_nics = 0; |
2973 | |
2974 | bdrv_init_with_whitelist(); |
2975 | |
2976 | autostart = 1; |
2977 | |
2978 | /* first pass of option parsing */ |
2979 | optind = 1; |
2980 | while (optind < argc) { |
2981 | if (argv[optind][0] != '-') { |
2982 | /* disk image */ |
2983 | optind++; |
2984 | } else { |
2985 | const QEMUOption *popt; |
2986 | |
2987 | popt = lookup_opt(argc, argv, &optarg, &optind); |
2988 | switch (popt->index) { |
2989 | case QEMU_OPTION_nouserconfig: |
2990 | userconfig = false; |
2991 | break; |
2992 | } |
2993 | } |
2994 | } |
2995 | |
2996 | if (userconfig) { |
2997 | if (qemu_read_default_config_file() < 0) { |
2998 | exit(1); |
2999 | } |
3000 | } |
3001 | |
3002 | /* second pass of option parsing */ |
3003 | optind = 1; |
3004 | for(;;) { |
3005 | if (optind >= argc) |
3006 | break; |
3007 | if (argv[optind][0] != '-') { |
3008 | loc_set_cmdline(argv, optind, 1); |
3009 | drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS); |
3010 | } else { |
3011 | const QEMUOption *popt; |
3012 | |
3013 | popt = lookup_opt(argc, argv, &optarg, &optind); |
3014 | if (!(popt->arch_mask & arch_type)) { |
3015 | error_report("Option not supported for this target" ); |
3016 | exit(1); |
3017 | } |
3018 | switch(popt->index) { |
3019 | case QEMU_OPTION_cpu: |
3020 | /* hw initialization will check this */ |
3021 | cpu_option = optarg; |
3022 | break; |
3023 | case QEMU_OPTION_hda: |
3024 | case QEMU_OPTION_hdb: |
3025 | case QEMU_OPTION_hdc: |
3026 | case QEMU_OPTION_hdd: |
3027 | drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg, |
3028 | HD_OPTS); |
3029 | break; |
3030 | case QEMU_OPTION_blockdev: |
3031 | { |
3032 | Visitor *v; |
3033 | BlockdevOptionsQueueEntry *bdo; |
3034 | |
3035 | v = qobject_input_visitor_new_str(optarg, "driver" , |
3036 | &error_fatal); |
3037 | |
3038 | bdo = g_new(BlockdevOptionsQueueEntry, 1); |
3039 | visit_type_BlockdevOptions(v, NULL, &bdo->bdo, |
3040 | &error_fatal); |
3041 | visit_free(v); |
3042 | loc_save(&bdo->loc); |
3043 | QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry); |
3044 | break; |
3045 | } |
3046 | case QEMU_OPTION_drive: |
3047 | if (drive_def(optarg) == NULL) { |
3048 | exit(1); |
3049 | } |
3050 | break; |
3051 | case QEMU_OPTION_set: |
3052 | if (qemu_set_option(optarg) != 0) |
3053 | exit(1); |
3054 | break; |
3055 | case QEMU_OPTION_global: |
3056 | if (qemu_global_option(optarg) != 0) |
3057 | exit(1); |
3058 | break; |
3059 | case QEMU_OPTION_mtdblock: |
3060 | drive_add(IF_MTD, -1, optarg, MTD_OPTS); |
3061 | break; |
3062 | case QEMU_OPTION_sd: |
3063 | drive_add(IF_SD, -1, optarg, SD_OPTS); |
3064 | break; |
3065 | case QEMU_OPTION_pflash: |
3066 | drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS); |
3067 | break; |
3068 | case QEMU_OPTION_snapshot: |
3069 | snapshot = 1; |
3070 | break; |
3071 | case QEMU_OPTION_numa: |
3072 | opts = qemu_opts_parse_noisily(qemu_find_opts("numa" ), |
3073 | optarg, true); |
3074 | if (!opts) { |
3075 | exit(1); |
3076 | } |
3077 | break; |
3078 | case QEMU_OPTION_display: |
3079 | parse_display(optarg); |
3080 | break; |
3081 | case QEMU_OPTION_nographic: |
3082 | olist = qemu_find_opts("machine" ); |
3083 | qemu_opts_parse_noisily(olist, "graphics=off" , false); |
3084 | nographic = true; |
3085 | dpy.type = DISPLAY_TYPE_NONE; |
3086 | break; |
3087 | case QEMU_OPTION_curses: |
3088 | #ifdef CONFIG_CURSES |
3089 | dpy.type = DISPLAY_TYPE_CURSES; |
3090 | #else |
3091 | error_report("curses or iconv support is disabled" ); |
3092 | exit(1); |
3093 | #endif |
3094 | break; |
3095 | case QEMU_OPTION_portrait: |
3096 | graphic_rotate = 90; |
3097 | break; |
3098 | case QEMU_OPTION_rotate: |
3099 | graphic_rotate = strtol(optarg, (char **) &optarg, 10); |
3100 | if (graphic_rotate != 0 && graphic_rotate != 90 && |
3101 | graphic_rotate != 180 && graphic_rotate != 270) { |
3102 | error_report("only 90, 180, 270 deg rotation is available" ); |
3103 | exit(1); |
3104 | } |
3105 | break; |
3106 | case QEMU_OPTION_kernel: |
3107 | qemu_opts_set(qemu_find_opts("machine" ), 0, "kernel" , optarg, |
3108 | &error_abort); |
3109 | break; |
3110 | case QEMU_OPTION_initrd: |
3111 | qemu_opts_set(qemu_find_opts("machine" ), 0, "initrd" , optarg, |
3112 | &error_abort); |
3113 | break; |
3114 | case QEMU_OPTION_append: |
3115 | qemu_opts_set(qemu_find_opts("machine" ), 0, "append" , optarg, |
3116 | &error_abort); |
3117 | break; |
3118 | case QEMU_OPTION_dtb: |
3119 | qemu_opts_set(qemu_find_opts("machine" ), 0, "dtb" , optarg, |
3120 | &error_abort); |
3121 | break; |
3122 | case QEMU_OPTION_cdrom: |
3123 | drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS); |
3124 | break; |
3125 | case QEMU_OPTION_boot: |
3126 | opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts" ), |
3127 | optarg, true); |
3128 | if (!opts) { |
3129 | exit(1); |
3130 | } |
3131 | break; |
3132 | case QEMU_OPTION_fda: |
3133 | case QEMU_OPTION_fdb: |
3134 | drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda, |
3135 | optarg, FD_OPTS); |
3136 | break; |
3137 | case QEMU_OPTION_no_fd_bootchk: |
3138 | fd_bootchk = 0; |
3139 | break; |
3140 | case QEMU_OPTION_netdev: |
3141 | default_net = 0; |
3142 | if (net_client_parse(qemu_find_opts("netdev" ), optarg) == -1) { |
3143 | exit(1); |
3144 | } |
3145 | break; |
3146 | case QEMU_OPTION_nic: |
3147 | default_net = 0; |
3148 | if (net_client_parse(qemu_find_opts("nic" ), optarg) == -1) { |
3149 | exit(1); |
3150 | } |
3151 | break; |
3152 | case QEMU_OPTION_net: |
3153 | default_net = 0; |
3154 | if (net_client_parse(qemu_find_opts("net" ), optarg) == -1) { |
3155 | exit(1); |
3156 | } |
3157 | break; |
3158 | #ifdef CONFIG_LIBISCSI |
3159 | case QEMU_OPTION_iscsi: |
3160 | opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi" ), |
3161 | optarg, false); |
3162 | if (!opts) { |
3163 | exit(1); |
3164 | } |
3165 | break; |
3166 | #endif |
3167 | case QEMU_OPTION_bt: |
3168 | warn_report("The bluetooth subsystem is deprecated and will " |
3169 | "be removed soon. If the bluetooth subsystem is " |
3170 | "still useful for you, please send a mail to " |
3171 | "qemu-devel@nongnu.org with your usecase." ); |
3172 | add_device_config(DEV_BT, optarg); |
3173 | break; |
3174 | case QEMU_OPTION_audio_help: |
3175 | audio_legacy_help(); |
3176 | exit (0); |
3177 | break; |
3178 | case QEMU_OPTION_audiodev: |
3179 | audio_parse_option(optarg); |
3180 | break; |
3181 | case QEMU_OPTION_soundhw: |
3182 | select_soundhw (optarg); |
3183 | break; |
3184 | case QEMU_OPTION_h: |
3185 | help(0); |
3186 | break; |
3187 | case QEMU_OPTION_version: |
3188 | version(); |
3189 | exit(0); |
3190 | break; |
3191 | case QEMU_OPTION_m: |
3192 | opts = qemu_opts_parse_noisily(qemu_find_opts("memory" ), |
3193 | optarg, true); |
3194 | if (!opts) { |
3195 | exit(EXIT_FAILURE); |
3196 | } |
3197 | break; |
3198 | #ifdef CONFIG_TPM |
3199 | case QEMU_OPTION_tpmdev: |
3200 | if (tpm_config_parse(qemu_find_opts("tpmdev" ), optarg) < 0) { |
3201 | exit(1); |
3202 | } |
3203 | break; |
3204 | #endif |
3205 | case QEMU_OPTION_mempath: |
3206 | mem_path = optarg; |
3207 | break; |
3208 | case QEMU_OPTION_mem_prealloc: |
3209 | mem_prealloc = 1; |
3210 | break; |
3211 | case QEMU_OPTION_d: |
3212 | log_mask = optarg; |
3213 | break; |
3214 | case QEMU_OPTION_D: |
3215 | log_file = optarg; |
3216 | break; |
3217 | case QEMU_OPTION_DFILTER: |
3218 | qemu_set_dfilter_ranges(optarg, &error_fatal); |
3219 | break; |
3220 | case QEMU_OPTION_seed: |
3221 | qemu_guest_random_seed_main(optarg, &error_fatal); |
3222 | break; |
3223 | case QEMU_OPTION_s: |
3224 | add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT); |
3225 | break; |
3226 | case QEMU_OPTION_gdb: |
3227 | add_device_config(DEV_GDB, optarg); |
3228 | break; |
3229 | case QEMU_OPTION_L: |
3230 | if (is_help_option(optarg)) { |
3231 | list_data_dirs = true; |
3232 | } else { |
3233 | qemu_add_data_dir(optarg); |
3234 | } |
3235 | break; |
3236 | case QEMU_OPTION_bios: |
3237 | qemu_opts_set(qemu_find_opts("machine" ), 0, "firmware" , optarg, |
3238 | &error_abort); |
3239 | break; |
3240 | case QEMU_OPTION_singlestep: |
3241 | singlestep = 1; |
3242 | break; |
3243 | case QEMU_OPTION_S: |
3244 | autostart = 0; |
3245 | break; |
3246 | case QEMU_OPTION_k: |
3247 | keyboard_layout = optarg; |
3248 | break; |
3249 | case QEMU_OPTION_vga: |
3250 | vga_model = optarg; |
3251 | default_vga = 0; |
3252 | break; |
3253 | case QEMU_OPTION_g: |
3254 | { |
3255 | const char *p; |
3256 | int w, h, depth; |
3257 | p = optarg; |
3258 | w = strtol(p, (char **)&p, 10); |
3259 | if (w <= 0) { |
3260 | graphic_error: |
3261 | error_report("invalid resolution or depth" ); |
3262 | exit(1); |
3263 | } |
3264 | if (*p != 'x') |
3265 | goto graphic_error; |
3266 | p++; |
3267 | h = strtol(p, (char **)&p, 10); |
3268 | if (h <= 0) |
3269 | goto graphic_error; |
3270 | if (*p == 'x') { |
3271 | p++; |
3272 | depth = strtol(p, (char **)&p, 10); |
3273 | if (depth != 8 && depth != 15 && depth != 16 && |
3274 | depth != 24 && depth != 32) |
3275 | goto graphic_error; |
3276 | } else if (*p == '\0') { |
3277 | depth = graphic_depth; |
3278 | } else { |
3279 | goto graphic_error; |
3280 | } |
3281 | |
3282 | graphic_width = w; |
3283 | graphic_height = h; |
3284 | graphic_depth = depth; |
3285 | } |
3286 | break; |
3287 | case QEMU_OPTION_echr: |
3288 | { |
3289 | char *r; |
3290 | term_escape_char = strtol(optarg, &r, 0); |
3291 | if (r == optarg) |
3292 | printf("Bad argument to echr\n" ); |
3293 | break; |
3294 | } |
3295 | case QEMU_OPTION_monitor: |
3296 | default_monitor = 0; |
3297 | if (strncmp(optarg, "none" , 4)) { |
3298 | monitor_parse(optarg, "readline" , false); |
3299 | } |
3300 | break; |
3301 | case QEMU_OPTION_qmp: |
3302 | monitor_parse(optarg, "control" , false); |
3303 | default_monitor = 0; |
3304 | break; |
3305 | case QEMU_OPTION_qmp_pretty: |
3306 | monitor_parse(optarg, "control" , true); |
3307 | default_monitor = 0; |
3308 | break; |
3309 | case QEMU_OPTION_mon: |
3310 | opts = qemu_opts_parse_noisily(qemu_find_opts("mon" ), optarg, |
3311 | true); |
3312 | if (!opts) { |
3313 | exit(1); |
3314 | } |
3315 | default_monitor = 0; |
3316 | break; |
3317 | case QEMU_OPTION_chardev: |
3318 | opts = qemu_opts_parse_noisily(qemu_find_opts("chardev" ), |
3319 | optarg, true); |
3320 | if (!opts) { |
3321 | exit(1); |
3322 | } |
3323 | break; |
3324 | case QEMU_OPTION_fsdev: |
3325 | olist = qemu_find_opts("fsdev" ); |
3326 | if (!olist) { |
3327 | error_report("fsdev support is disabled" ); |
3328 | exit(1); |
3329 | } |
3330 | opts = qemu_opts_parse_noisily(olist, optarg, true); |
3331 | if (!opts) { |
3332 | exit(1); |
3333 | } |
3334 | break; |
3335 | case QEMU_OPTION_virtfs: { |
3336 | QemuOpts *fsdev; |
3337 | QemuOpts *device; |
3338 | const char *writeout, *sock_fd, *socket, *path, *security_model; |
3339 | |
3340 | olist = qemu_find_opts("virtfs" ); |
3341 | if (!olist) { |
3342 | error_report("virtfs support is disabled" ); |
3343 | exit(1); |
3344 | } |
3345 | opts = qemu_opts_parse_noisily(olist, optarg, true); |
3346 | if (!opts) { |
3347 | exit(1); |
3348 | } |
3349 | |
3350 | if (qemu_opt_get(opts, "fsdriver" ) == NULL || |
3351 | qemu_opt_get(opts, "mount_tag" ) == NULL) { |
3352 | error_report("Usage: -virtfs fsdriver,mount_tag=tag" ); |
3353 | exit(1); |
3354 | } |
3355 | fsdev = qemu_opts_create(qemu_find_opts("fsdev" ), |
3356 | qemu_opts_id(opts) ?: |
3357 | qemu_opt_get(opts, "mount_tag" ), |
3358 | 1, NULL); |
3359 | if (!fsdev) { |
3360 | error_report("duplicate or invalid fsdev id: %s" , |
3361 | qemu_opt_get(opts, "mount_tag" )); |
3362 | exit(1); |
3363 | } |
3364 | |
3365 | writeout = qemu_opt_get(opts, "writeout" ); |
3366 | if (writeout) { |
3367 | #ifdef CONFIG_SYNC_FILE_RANGE |
3368 | qemu_opt_set(fsdev, "writeout" , writeout, &error_abort); |
3369 | #else |
3370 | error_report("writeout=immediate not supported " |
3371 | "on this platform" ); |
3372 | exit(1); |
3373 | #endif |
3374 | } |
3375 | qemu_opt_set(fsdev, "fsdriver" , |
3376 | qemu_opt_get(opts, "fsdriver" ), &error_abort); |
3377 | path = qemu_opt_get(opts, "path" ); |
3378 | if (path) { |
3379 | qemu_opt_set(fsdev, "path" , path, &error_abort); |
3380 | } |
3381 | security_model = qemu_opt_get(opts, "security_model" ); |
3382 | if (security_model) { |
3383 | qemu_opt_set(fsdev, "security_model" , security_model, |
3384 | &error_abort); |
3385 | } |
3386 | socket = qemu_opt_get(opts, "socket" ); |
3387 | if (socket) { |
3388 | qemu_opt_set(fsdev, "socket" , socket, &error_abort); |
3389 | } |
3390 | sock_fd = qemu_opt_get(opts, "sock_fd" ); |
3391 | if (sock_fd) { |
3392 | qemu_opt_set(fsdev, "sock_fd" , sock_fd, &error_abort); |
3393 | } |
3394 | |
3395 | qemu_opt_set_bool(fsdev, "readonly" , |
3396 | qemu_opt_get_bool(opts, "readonly" , 0), |
3397 | &error_abort); |
3398 | device = qemu_opts_create(qemu_find_opts("device" ), NULL, 0, |
3399 | &error_abort); |
3400 | qemu_opt_set(device, "driver" , "virtio-9p-pci" , &error_abort); |
3401 | qemu_opt_set(device, "fsdev" , |
3402 | qemu_opts_id(fsdev), &error_abort); |
3403 | qemu_opt_set(device, "mount_tag" , |
3404 | qemu_opt_get(opts, "mount_tag" ), &error_abort); |
3405 | break; |
3406 | } |
3407 | case QEMU_OPTION_virtfs_synth: { |
3408 | QemuOpts *fsdev; |
3409 | QemuOpts *device; |
3410 | |
3411 | warn_report("'-virtfs_synth' is deprecated, please use " |
3412 | "'-fsdev synth' and '-device virtio-9p-...' " |
3413 | "instead" ); |
3414 | |
3415 | fsdev = qemu_opts_create(qemu_find_opts("fsdev" ), "v_synth" , |
3416 | 1, NULL); |
3417 | if (!fsdev) { |
3418 | error_report("duplicate option: %s" , "virtfs_synth" ); |
3419 | exit(1); |
3420 | } |
3421 | qemu_opt_set(fsdev, "fsdriver" , "synth" , &error_abort); |
3422 | |
3423 | device = qemu_opts_create(qemu_find_opts("device" ), NULL, 0, |
3424 | &error_abort); |
3425 | qemu_opt_set(device, "driver" , "virtio-9p-pci" , &error_abort); |
3426 | qemu_opt_set(device, "fsdev" , "v_synth" , &error_abort); |
3427 | qemu_opt_set(device, "mount_tag" , "v_synth" , &error_abort); |
3428 | break; |
3429 | } |
3430 | case QEMU_OPTION_serial: |
3431 | add_device_config(DEV_SERIAL, optarg); |
3432 | default_serial = 0; |
3433 | if (strncmp(optarg, "mon:" , 4) == 0) { |
3434 | default_monitor = 0; |
3435 | } |
3436 | break; |
3437 | case QEMU_OPTION_watchdog: |
3438 | if (watchdog) { |
3439 | error_report("only one watchdog option may be given" ); |
3440 | return 1; |
3441 | } |
3442 | watchdog = optarg; |
3443 | break; |
3444 | case QEMU_OPTION_watchdog_action: |
3445 | if (select_watchdog_action(optarg) == -1) { |
3446 | error_report("unknown -watchdog-action parameter" ); |
3447 | exit(1); |
3448 | } |
3449 | break; |
3450 | case QEMU_OPTION_parallel: |
3451 | add_device_config(DEV_PARALLEL, optarg); |
3452 | default_parallel = 0; |
3453 | if (strncmp(optarg, "mon:" , 4) == 0) { |
3454 | default_monitor = 0; |
3455 | } |
3456 | break; |
3457 | case QEMU_OPTION_debugcon: |
3458 | add_device_config(DEV_DEBUGCON, optarg); |
3459 | break; |
3460 | case QEMU_OPTION_loadvm: |
3461 | loadvm = optarg; |
3462 | break; |
3463 | case QEMU_OPTION_full_screen: |
3464 | dpy.has_full_screen = true; |
3465 | dpy.full_screen = true; |
3466 | break; |
3467 | case QEMU_OPTION_alt_grab: |
3468 | alt_grab = 1; |
3469 | break; |
3470 | case QEMU_OPTION_ctrl_grab: |
3471 | ctrl_grab = 1; |
3472 | break; |
3473 | case QEMU_OPTION_no_quit: |
3474 | dpy.has_window_close = true; |
3475 | dpy.window_close = false; |
3476 | break; |
3477 | case QEMU_OPTION_sdl: |
3478 | #ifdef CONFIG_SDL |
3479 | dpy.type = DISPLAY_TYPE_SDL; |
3480 | break; |
3481 | #else |
3482 | error_report("SDL support is disabled" ); |
3483 | exit(1); |
3484 | #endif |
3485 | case QEMU_OPTION_pidfile: |
3486 | pid_file = optarg; |
3487 | break; |
3488 | case QEMU_OPTION_win2k_hack: |
3489 | win2k_install_hack = 1; |
3490 | break; |
3491 | case QEMU_OPTION_acpitable: |
3492 | opts = qemu_opts_parse_noisily(qemu_find_opts("acpi" ), |
3493 | optarg, true); |
3494 | if (!opts) { |
3495 | exit(1); |
3496 | } |
3497 | acpi_table_add(opts, &error_fatal); |
3498 | break; |
3499 | case QEMU_OPTION_smbios: |
3500 | opts = qemu_opts_parse_noisily(qemu_find_opts("smbios" ), |
3501 | optarg, false); |
3502 | if (!opts) { |
3503 | exit(1); |
3504 | } |
3505 | smbios_entry_add(opts, &error_fatal); |
3506 | break; |
3507 | case QEMU_OPTION_fwcfg: |
3508 | opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg" ), |
3509 | optarg, true); |
3510 | if (opts == NULL) { |
3511 | exit(1); |
3512 | } |
3513 | break; |
3514 | case QEMU_OPTION_preconfig: |
3515 | preconfig_exit_requested = false; |
3516 | break; |
3517 | case QEMU_OPTION_enable_kvm: |
3518 | olist = qemu_find_opts("machine" ); |
3519 | qemu_opts_parse_noisily(olist, "accel=kvm" , false); |
3520 | break; |
3521 | case QEMU_OPTION_M: |
3522 | case QEMU_OPTION_machine: |
3523 | olist = qemu_find_opts("machine" ); |
3524 | opts = qemu_opts_parse_noisily(olist, optarg, true); |
3525 | if (!opts) { |
3526 | exit(1); |
3527 | } |
3528 | break; |
3529 | case QEMU_OPTION_no_kvm: |
3530 | olist = qemu_find_opts("machine" ); |
3531 | qemu_opts_parse_noisily(olist, "accel=tcg" , false); |
3532 | break; |
3533 | case QEMU_OPTION_accel: |
3534 | accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel" ), |
3535 | optarg, true); |
3536 | optarg = qemu_opt_get(accel_opts, "accel" ); |
3537 | if (!optarg || is_help_option(optarg)) { |
3538 | printf("Accelerators supported in QEMU binary:\n" ); |
3539 | GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL, |
3540 | false); |
3541 | for (el = accel_list; el; el = el->next) { |
3542 | gchar *typename = g_strdup(object_class_get_name( |
3543 | OBJECT_CLASS(el->data))); |
3544 | /* omit qtest which is used for tests only */ |
3545 | if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest" )) && |
3546 | g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) { |
3547 | gchar **optname = g_strsplit(typename, |
3548 | ACCEL_CLASS_SUFFIX, 0); |
3549 | printf("%s\n" , optname[0]); |
3550 | g_free(optname); |
3551 | } |
3552 | g_free(typename); |
3553 | } |
3554 | g_slist_free(accel_list); |
3555 | exit(0); |
3556 | } |
3557 | opts = qemu_opts_create(qemu_find_opts("machine" ), NULL, |
3558 | false, &error_abort); |
3559 | qemu_opt_set(opts, "accel" , optarg, &error_abort); |
3560 | break; |
3561 | case QEMU_OPTION_usb: |
3562 | olist = qemu_find_opts("machine" ); |
3563 | qemu_opts_parse_noisily(olist, "usb=on" , false); |
3564 | break; |
3565 | case QEMU_OPTION_usbdevice: |
3566 | error_report("'-usbdevice' is deprecated, please use " |
3567 | "'-device usb-...' instead" ); |
3568 | olist = qemu_find_opts("machine" ); |
3569 | qemu_opts_parse_noisily(olist, "usb=on" , false); |
3570 | add_device_config(DEV_USB, optarg); |
3571 | break; |
3572 | case QEMU_OPTION_device: |
3573 | if (!qemu_opts_parse_noisily(qemu_find_opts("device" ), |
3574 | optarg, true)) { |
3575 | exit(1); |
3576 | } |
3577 | break; |
3578 | case QEMU_OPTION_smp: |
3579 | if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts" ), |
3580 | optarg, true)) { |
3581 | exit(1); |
3582 | } |
3583 | break; |
3584 | case QEMU_OPTION_vnc: |
3585 | vnc_parse(optarg, &error_fatal); |
3586 | break; |
3587 | case QEMU_OPTION_no_acpi: |
3588 | acpi_enabled = 0; |
3589 | break; |
3590 | case QEMU_OPTION_no_hpet: |
3591 | no_hpet = 1; |
3592 | break; |
3593 | case QEMU_OPTION_no_reboot: |
3594 | no_reboot = 1; |
3595 | break; |
3596 | case QEMU_OPTION_no_shutdown: |
3597 | no_shutdown = 1; |
3598 | break; |
3599 | case QEMU_OPTION_show_cursor: |
3600 | cursor_hide = 0; |
3601 | break; |
3602 | case QEMU_OPTION_uuid: |
3603 | if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) { |
3604 | error_report("failed to parse UUID string: wrong format" ); |
3605 | exit(1); |
3606 | } |
3607 | qemu_uuid_set = true; |
3608 | break; |
3609 | case QEMU_OPTION_option_rom: |
3610 | if (nb_option_roms >= MAX_OPTION_ROMS) { |
3611 | error_report("too many option ROMs" ); |
3612 | exit(1); |
3613 | } |
3614 | opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom" ), |
3615 | optarg, true); |
3616 | if (!opts) { |
3617 | exit(1); |
3618 | } |
3619 | option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile" ); |
3620 | option_rom[nb_option_roms].bootindex = |
3621 | qemu_opt_get_number(opts, "bootindex" , -1); |
3622 | if (!option_rom[nb_option_roms].name) { |
3623 | error_report("Option ROM file is not specified" ); |
3624 | exit(1); |
3625 | } |
3626 | nb_option_roms++; |
3627 | break; |
3628 | case QEMU_OPTION_semihosting: |
3629 | qemu_semihosting_enable(); |
3630 | break; |
3631 | case QEMU_OPTION_semihosting_config: |
3632 | if (qemu_semihosting_config_options(optarg) != 0) { |
3633 | exit(1); |
3634 | } |
3635 | break; |
3636 | case QEMU_OPTION_name: |
3637 | opts = qemu_opts_parse_noisily(qemu_find_opts("name" ), |
3638 | optarg, true); |
3639 | if (!opts) { |
3640 | exit(1); |
3641 | } |
3642 | break; |
3643 | case QEMU_OPTION_prom_env: |
3644 | if (nb_prom_envs >= MAX_PROM_ENVS) { |
3645 | error_report("too many prom variables" ); |
3646 | exit(1); |
3647 | } |
3648 | prom_envs[nb_prom_envs] = optarg; |
3649 | nb_prom_envs++; |
3650 | break; |
3651 | case QEMU_OPTION_old_param: |
3652 | old_param = 1; |
3653 | break; |
3654 | case QEMU_OPTION_rtc: |
3655 | opts = qemu_opts_parse_noisily(qemu_find_opts("rtc" ), optarg, |
3656 | false); |
3657 | if (!opts) { |
3658 | exit(1); |
3659 | } |
3660 | break; |
3661 | case QEMU_OPTION_tb_size: |
3662 | #ifndef CONFIG_TCG |
3663 | error_report("TCG is disabled" ); |
3664 | exit(1); |
3665 | #endif |
3666 | if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) { |
3667 | error_report("Invalid argument to -tb-size" ); |
3668 | exit(1); |
3669 | } |
3670 | break; |
3671 | case QEMU_OPTION_icount: |
3672 | icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount" ), |
3673 | optarg, true); |
3674 | if (!icount_opts) { |
3675 | exit(1); |
3676 | } |
3677 | break; |
3678 | case QEMU_OPTION_incoming: |
3679 | if (!incoming) { |
3680 | runstate_set(RUN_STATE_INMIGRATE); |
3681 | } |
3682 | incoming = optarg; |
3683 | break; |
3684 | case QEMU_OPTION_only_migratable: |
3685 | only_migratable = 1; |
3686 | break; |
3687 | case QEMU_OPTION_nodefaults: |
3688 | has_defaults = 0; |
3689 | break; |
3690 | case QEMU_OPTION_xen_domid: |
3691 | if (!(xen_available())) { |
3692 | error_report("Option not supported for this target" ); |
3693 | exit(1); |
3694 | } |
3695 | xen_domid = atoi(optarg); |
3696 | break; |
3697 | case QEMU_OPTION_xen_attach: |
3698 | if (!(xen_available())) { |
3699 | error_report("Option not supported for this target" ); |
3700 | exit(1); |
3701 | } |
3702 | xen_mode = XEN_ATTACH; |
3703 | break; |
3704 | case QEMU_OPTION_xen_domid_restrict: |
3705 | if (!(xen_available())) { |
3706 | error_report("Option not supported for this target" ); |
3707 | exit(1); |
3708 | } |
3709 | xen_domid_restrict = true; |
3710 | break; |
3711 | case QEMU_OPTION_trace: |
3712 | g_free(trace_file); |
3713 | trace_file = trace_opt_parse(optarg); |
3714 | break; |
3715 | case QEMU_OPTION_readconfig: |
3716 | { |
3717 | int ret = qemu_read_config_file(optarg); |
3718 | if (ret < 0) { |
3719 | error_report("read config %s: %s" , optarg, |
3720 | strerror(-ret)); |
3721 | exit(1); |
3722 | } |
3723 | break; |
3724 | } |
3725 | case QEMU_OPTION_spice: |
3726 | olist = qemu_find_opts("spice" ); |
3727 | if (!olist) { |
3728 | error_report("spice support is disabled" ); |
3729 | exit(1); |
3730 | } |
3731 | opts = qemu_opts_parse_noisily(olist, optarg, false); |
3732 | if (!opts) { |
3733 | exit(1); |
3734 | } |
3735 | display_remote++; |
3736 | break; |
3737 | case QEMU_OPTION_writeconfig: |
3738 | { |
3739 | FILE *fp; |
3740 | if (strcmp(optarg, "-" ) == 0) { |
3741 | fp = stdout; |
3742 | } else { |
3743 | fp = fopen(optarg, "w" ); |
3744 | if (fp == NULL) { |
3745 | error_report("open %s: %s" , optarg, |
3746 | strerror(errno)); |
3747 | exit(1); |
3748 | } |
3749 | } |
3750 | qemu_config_write(fp); |
3751 | if (fp != stdout) { |
3752 | fclose(fp); |
3753 | } |
3754 | break; |
3755 | } |
3756 | case QEMU_OPTION_qtest: |
3757 | qtest_chrdev = optarg; |
3758 | break; |
3759 | case QEMU_OPTION_qtest_log: |
3760 | qtest_log = optarg; |
3761 | break; |
3762 | case QEMU_OPTION_sandbox: |
3763 | olist = qemu_find_opts("sandbox" ); |
3764 | if (!olist) { |
3765 | #ifndef CONFIG_SECCOMP |
3766 | error_report("-sandbox support is not enabled " |
3767 | "in this QEMU binary" ); |
3768 | #endif |
3769 | exit(1); |
3770 | } |
3771 | |
3772 | opts = qemu_opts_parse_noisily(olist, optarg, true); |
3773 | if (!opts) { |
3774 | exit(1); |
3775 | } |
3776 | break; |
3777 | case QEMU_OPTION_add_fd: |
3778 | #ifndef _WIN32 |
3779 | opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd" ), |
3780 | optarg, false); |
3781 | if (!opts) { |
3782 | exit(1); |
3783 | } |
3784 | #else |
3785 | error_report("File descriptor passing is disabled on this " |
3786 | "platform" ); |
3787 | exit(1); |
3788 | #endif |
3789 | break; |
3790 | case QEMU_OPTION_object: |
3791 | opts = qemu_opts_parse_noisily(qemu_find_opts("object" ), |
3792 | optarg, true); |
3793 | if (!opts) { |
3794 | exit(1); |
3795 | } |
3796 | break; |
3797 | case QEMU_OPTION_realtime: |
3798 | warn_report("'-realtime mlock=...' is deprecated, please use " |
3799 | "'-overcommit mem-lock=...' instead" ); |
3800 | opts = qemu_opts_parse_noisily(qemu_find_opts("realtime" ), |
3801 | optarg, false); |
3802 | if (!opts) { |
3803 | exit(1); |
3804 | } |
3805 | /* Don't override the -overcommit option if set */ |
3806 | enable_mlock = enable_mlock || |
3807 | qemu_opt_get_bool(opts, "mlock" , true); |
3808 | break; |
3809 | case QEMU_OPTION_overcommit: |
3810 | opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit" ), |
3811 | optarg, false); |
3812 | if (!opts) { |
3813 | exit(1); |
3814 | } |
3815 | /* Don't override the -realtime option if set */ |
3816 | enable_mlock = enable_mlock || |
3817 | qemu_opt_get_bool(opts, "mem-lock" , false); |
3818 | enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm" , false); |
3819 | break; |
3820 | case QEMU_OPTION_msg: |
3821 | opts = qemu_opts_parse_noisily(qemu_find_opts("msg" ), optarg, |
3822 | false); |
3823 | if (!opts) { |
3824 | exit(1); |
3825 | } |
3826 | configure_msg(opts); |
3827 | break; |
3828 | case QEMU_OPTION_dump_vmstate: |
3829 | if (vmstate_dump_file) { |
3830 | error_report("only one '-dump-vmstate' " |
3831 | "option may be given" ); |
3832 | exit(1); |
3833 | } |
3834 | vmstate_dump_file = fopen(optarg, "w" ); |
3835 | if (vmstate_dump_file == NULL) { |
3836 | error_report("open %s: %s" , optarg, strerror(errno)); |
3837 | exit(1); |
3838 | } |
3839 | break; |
3840 | case QEMU_OPTION_enable_sync_profile: |
3841 | qsp_enable(); |
3842 | break; |
3843 | case QEMU_OPTION_nouserconfig: |
3844 | /* Nothing to be parsed here. Especially, do not error out below. */ |
3845 | break; |
3846 | default: |
3847 | if (os_parse_cmd_args(popt->index, optarg)) { |
3848 | error_report("Option not supported in this build" ); |
3849 | exit(1); |
3850 | } |
3851 | } |
3852 | } |
3853 | } |
3854 | /* |
3855 | * Clear error location left behind by the loop. |
3856 | * Best done right after the loop. Do not insert code here! |
3857 | */ |
3858 | loc_set_none(); |
3859 | |
3860 | user_register_global_props(); |
3861 | |
3862 | replay_configure(icount_opts); |
3863 | |
3864 | if (incoming && !preconfig_exit_requested) { |
3865 | error_report("'preconfig' and 'incoming' options are " |
3866 | "mutually exclusive" ); |
3867 | exit(EXIT_FAILURE); |
3868 | } |
3869 | |
3870 | configure_rtc(qemu_find_opts_singleton("rtc" )); |
3871 | |
3872 | machine_class = select_machine(); |
3873 | object_set_machine_compat_props(machine_class->compat_props); |
3874 | |
3875 | set_memory_options(&ram_slots, &maxram_size, machine_class); |
3876 | |
3877 | os_daemonize(); |
3878 | rcu_disable_atfork(); |
3879 | |
3880 | if (pid_file && !qemu_write_pidfile(pid_file, &err)) { |
3881 | error_reportf_err(err, "cannot create PID file: " ); |
3882 | exit(1); |
3883 | } |
3884 | |
3885 | qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile; |
3886 | qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier); |
3887 | |
3888 | if (qemu_init_main_loop(&main_loop_err)) { |
3889 | error_report_err(main_loop_err); |
3890 | exit(1); |
3891 | } |
3892 | |
3893 | #ifdef CONFIG_SECCOMP |
3894 | olist = qemu_find_opts_err("sandbox" , NULL); |
3895 | if (olist) { |
3896 | qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal); |
3897 | } |
3898 | #endif |
3899 | |
3900 | qemu_opts_foreach(qemu_find_opts("name" ), |
3901 | parse_name, NULL, &error_fatal); |
3902 | |
3903 | #ifndef _WIN32 |
3904 | qemu_opts_foreach(qemu_find_opts("add-fd" ), |
3905 | parse_add_fd, NULL, &error_fatal); |
3906 | |
3907 | qemu_opts_foreach(qemu_find_opts("add-fd" ), |
3908 | cleanup_add_fd, NULL, &error_fatal); |
3909 | #endif |
3910 | |
3911 | current_machine = MACHINE(object_new(object_class_get_name( |
3912 | OBJECT_CLASS(machine_class)))); |
3913 | if (machine_help_func(qemu_get_machine_opts(), current_machine)) { |
3914 | exit(0); |
3915 | } |
3916 | object_property_add_child(object_get_root(), "machine" , |
3917 | OBJECT(current_machine), &error_abort); |
3918 | object_property_add_child(container_get(OBJECT(current_machine), |
3919 | "/unattached" ), |
3920 | "sysbus" , OBJECT(sysbus_get_default()), |
3921 | NULL); |
3922 | |
3923 | if (machine_class->minimum_page_bits) { |
3924 | if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) { |
3925 | /* This would be a board error: specifying a minimum smaller than |
3926 | * a target's compile-time fixed setting. |
3927 | */ |
3928 | g_assert_not_reached(); |
3929 | } |
3930 | } |
3931 | |
3932 | cpu_exec_init_all(); |
3933 | |
3934 | if (machine_class->hw_version) { |
3935 | qemu_set_hw_version(machine_class->hw_version); |
3936 | } |
3937 | |
3938 | if (cpu_option && is_help_option(cpu_option)) { |
3939 | list_cpus(cpu_option); |
3940 | exit(0); |
3941 | } |
3942 | |
3943 | if (!trace_init_backends()) { |
3944 | exit(1); |
3945 | } |
3946 | trace_init_file(trace_file); |
3947 | |
3948 | /* Open the logfile at this point and set the log mask if necessary. |
3949 | */ |
3950 | if (log_file) { |
3951 | qemu_set_log_filename(log_file, &error_fatal); |
3952 | } |
3953 | |
3954 | if (log_mask) { |
3955 | int mask; |
3956 | mask = qemu_str_to_log_mask(log_mask); |
3957 | if (!mask) { |
3958 | qemu_print_log_usage(stdout); |
3959 | exit(1); |
3960 | } |
3961 | qemu_set_log(mask); |
3962 | } else { |
3963 | qemu_set_log(0); |
3964 | } |
3965 | |
3966 | /* add configured firmware directories */ |
3967 | dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0); |
3968 | for (i = 0; dirs[i] != NULL; i++) { |
3969 | qemu_add_data_dir(dirs[i]); |
3970 | } |
3971 | g_strfreev(dirs); |
3972 | |
3973 | /* try to find datadir relative to the executable path */ |
3974 | dir = os_find_datadir(); |
3975 | qemu_add_data_dir(dir); |
3976 | g_free(dir); |
3977 | |
3978 | /* add the datadir specified when building */ |
3979 | qemu_add_data_dir(CONFIG_QEMU_DATADIR); |
3980 | |
3981 | /* -L help lists the data directories and exits. */ |
3982 | if (list_data_dirs) { |
3983 | for (i = 0; i < data_dir_idx; i++) { |
3984 | printf("%s\n" , data_dir[i]); |
3985 | } |
3986 | exit(0); |
3987 | } |
3988 | |
3989 | /* machine_class: default to UP */ |
3990 | machine_class->max_cpus = machine_class->max_cpus ?: 1; |
3991 | machine_class->min_cpus = machine_class->min_cpus ?: 1; |
3992 | machine_class->default_cpus = machine_class->default_cpus ?: 1; |
3993 | |
3994 | /* default to machine_class->default_cpus */ |
3995 | current_machine->smp.cpus = machine_class->default_cpus; |
3996 | current_machine->smp.max_cpus = machine_class->default_cpus; |
3997 | current_machine->smp.cores = 1; |
3998 | current_machine->smp.threads = 1; |
3999 | |
4000 | machine_class->smp_parse(current_machine, |
4001 | qemu_opts_find(qemu_find_opts("smp-opts" ), NULL)); |
4002 | |
4003 | /* sanity-check smp_cpus and max_cpus against machine_class */ |
4004 | if (current_machine->smp.cpus < machine_class->min_cpus) { |
4005 | error_report("Invalid SMP CPUs %d. The min CPUs " |
4006 | "supported by machine '%s' is %d" , |
4007 | current_machine->smp.cpus, |
4008 | machine_class->name, machine_class->min_cpus); |
4009 | exit(1); |
4010 | } |
4011 | if (current_machine->smp.max_cpus > machine_class->max_cpus) { |
4012 | error_report("Invalid SMP CPUs %d. The max CPUs " |
4013 | "supported by machine '%s' is %d" , |
4014 | current_machine->smp.max_cpus, |
4015 | machine_class->name, machine_class->max_cpus); |
4016 | exit(1); |
4017 | } |
4018 | |
4019 | /* |
4020 | * Get the default machine options from the machine if it is not already |
4021 | * specified either by the configuration file or by the command line. |
4022 | */ |
4023 | if (machine_class->default_machine_opts) { |
4024 | qemu_opts_set_defaults(qemu_find_opts("machine" ), |
4025 | machine_class->default_machine_opts, 0); |
4026 | } |
4027 | |
4028 | qemu_opts_foreach(qemu_find_opts("device" ), |
4029 | default_driver_check, NULL, NULL); |
4030 | qemu_opts_foreach(qemu_find_opts("global" ), |
4031 | default_driver_check, NULL, NULL); |
4032 | |
4033 | if (!vga_model && !default_vga) { |
4034 | vga_interface_type = VGA_DEVICE; |
4035 | } |
4036 | if (!has_defaults || machine_class->no_serial) { |
4037 | default_serial = 0; |
4038 | } |
4039 | if (!has_defaults || machine_class->no_parallel) { |
4040 | default_parallel = 0; |
4041 | } |
4042 | if (!has_defaults || machine_class->no_floppy) { |
4043 | default_floppy = 0; |
4044 | } |
4045 | if (!has_defaults || machine_class->no_cdrom) { |
4046 | default_cdrom = 0; |
4047 | } |
4048 | if (!has_defaults || machine_class->no_sdcard) { |
4049 | default_sdcard = 0; |
4050 | } |
4051 | if (!has_defaults) { |
4052 | default_monitor = 0; |
4053 | default_net = 0; |
4054 | default_vga = 0; |
4055 | } |
4056 | |
4057 | if (is_daemonized()) { |
4058 | if (!preconfig_exit_requested) { |
4059 | error_report("'preconfig' and 'daemonize' options are " |
4060 | "mutually exclusive" ); |
4061 | exit(EXIT_FAILURE); |
4062 | } |
4063 | |
4064 | /* According to documentation and historically, -nographic redirects |
4065 | * serial port, parallel port and monitor to stdio, which does not work |
4066 | * with -daemonize. We can redirect these to null instead, but since |
4067 | * -nographic is legacy, let's just error out. |
4068 | * We disallow -nographic only if all other ports are not redirected |
4069 | * explicitly, to not break existing legacy setups which uses |
4070 | * -nographic _and_ redirects all ports explicitly - this is valid |
4071 | * usage, -nographic is just a no-op in this case. |
4072 | */ |
4073 | if (nographic |
4074 | && (default_parallel || default_serial || default_monitor)) { |
4075 | error_report("-nographic cannot be used with -daemonize" ); |
4076 | exit(1); |
4077 | } |
4078 | #ifdef CONFIG_CURSES |
4079 | if (dpy.type == DISPLAY_TYPE_CURSES) { |
4080 | error_report("curses display cannot be used with -daemonize" ); |
4081 | exit(1); |
4082 | } |
4083 | #endif |
4084 | } |
4085 | |
4086 | if (nographic) { |
4087 | if (default_parallel) |
4088 | add_device_config(DEV_PARALLEL, "null" ); |
4089 | if (default_serial && default_monitor) { |
4090 | add_device_config(DEV_SERIAL, "mon:stdio" ); |
4091 | } else { |
4092 | if (default_serial) |
4093 | add_device_config(DEV_SERIAL, "stdio" ); |
4094 | if (default_monitor) |
4095 | monitor_parse("stdio" , "readline" , false); |
4096 | } |
4097 | } else { |
4098 | if (default_serial) |
4099 | add_device_config(DEV_SERIAL, "vc:80Cx24C" ); |
4100 | if (default_parallel) |
4101 | add_device_config(DEV_PARALLEL, "vc:80Cx24C" ); |
4102 | if (default_monitor) |
4103 | monitor_parse("vc:80Cx24C" , "readline" , false); |
4104 | } |
4105 | |
4106 | #if defined(CONFIG_VNC) |
4107 | if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc" )->head))) { |
4108 | display_remote++; |
4109 | } |
4110 | #endif |
4111 | if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) { |
4112 | if (!qemu_display_find_default(&dpy)) { |
4113 | dpy.type = DISPLAY_TYPE_NONE; |
4114 | #if defined(CONFIG_VNC) |
4115 | vnc_parse("localhost:0,to=99,id=default" , &error_abort); |
4116 | #endif |
4117 | } |
4118 | } |
4119 | if (dpy.type == DISPLAY_TYPE_DEFAULT) { |
4120 | dpy.type = DISPLAY_TYPE_NONE; |
4121 | } |
4122 | |
4123 | if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) { |
4124 | error_report("-alt-grab and -ctrl-grab are only valid " |
4125 | "for SDL, ignoring option" ); |
4126 | } |
4127 | if (dpy.has_window_close && |
4128 | (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) { |
4129 | error_report("-no-quit is only valid for GTK and SDL, " |
4130 | "ignoring option" ); |
4131 | } |
4132 | |
4133 | qemu_display_early_init(&dpy); |
4134 | qemu_console_early_init(); |
4135 | |
4136 | if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) { |
4137 | #if defined(CONFIG_OPENGL) |
4138 | error_report("OpenGL is not supported by the display" ); |
4139 | #else |
4140 | error_report("OpenGL support is disabled" ); |
4141 | #endif |
4142 | exit(1); |
4143 | } |
4144 | |
4145 | page_size_init(); |
4146 | socket_init(); |
4147 | |
4148 | qemu_opts_foreach(qemu_find_opts("object" ), |
4149 | user_creatable_add_opts_foreach, |
4150 | object_create_initial, &error_fatal); |
4151 | |
4152 | qemu_opts_foreach(qemu_find_opts("chardev" ), |
4153 | chardev_init_func, NULL, &error_fatal); |
4154 | /* now chardevs have been created we may have semihosting to connect */ |
4155 | qemu_semihosting_connect_chardevs(); |
4156 | |
4157 | #ifdef CONFIG_VIRTFS |
4158 | qemu_opts_foreach(qemu_find_opts("fsdev" ), |
4159 | fsdev_init_func, NULL, &error_fatal); |
4160 | #endif |
4161 | |
4162 | if (qemu_opts_foreach(qemu_find_opts("device" ), |
4163 | device_help_func, NULL, NULL)) { |
4164 | exit(0); |
4165 | } |
4166 | |
4167 | /* |
4168 | * Note: we need to create block backends before |
4169 | * machine_set_property(), so machine properties can refer to |
4170 | * them. |
4171 | */ |
4172 | configure_blockdev(&bdo_queue, machine_class, snapshot); |
4173 | |
4174 | machine_opts = qemu_get_machine_opts(); |
4175 | qemu_opt_foreach(machine_opts, machine_set_property, current_machine, |
4176 | &error_fatal); |
4177 | current_machine->ram_size = ram_size; |
4178 | current_machine->maxram_size = maxram_size; |
4179 | current_machine->ram_slots = ram_slots; |
4180 | |
4181 | /* |
4182 | * Note: uses machine properties such as kernel-irqchip, must run |
4183 | * after machine_set_property(). |
4184 | */ |
4185 | configure_accelerator(current_machine, argv[0]); |
4186 | |
4187 | /* |
4188 | * Beware, QOM objects created before this point miss global and |
4189 | * compat properties. |
4190 | * |
4191 | * Global properties get set up by qdev_prop_register_global(), |
4192 | * called from user_register_global_props(), and certain option |
4193 | * desugaring. Also in CPU feature desugaring (buried in |
4194 | * parse_cpu_option()), which happens below this point, but may |
4195 | * only target the CPU type, which can only be created after |
4196 | * parse_cpu_option() returned the type. |
4197 | * |
4198 | * Machine compat properties: object_set_machine_compat_props(). |
4199 | * Accelerator compat props: object_set_accelerator_compat_props(), |
4200 | * called from configure_accelerator(). |
4201 | */ |
4202 | |
4203 | if (!qtest_enabled() && machine_class->deprecation_reason) { |
4204 | error_report("Machine type '%s' is deprecated: %s" , |
4205 | machine_class->name, machine_class->deprecation_reason); |
4206 | } |
4207 | |
4208 | /* |
4209 | * Note: creates a QOM object, must run only after global and |
4210 | * compat properties have been set up. |
4211 | */ |
4212 | migration_object_init(); |
4213 | |
4214 | if (qtest_chrdev) { |
4215 | qtest_server_init(qtest_chrdev, qtest_log, &error_fatal); |
4216 | } |
4217 | |
4218 | machine_opts = qemu_get_machine_opts(); |
4219 | kernel_filename = qemu_opt_get(machine_opts, "kernel" ); |
4220 | initrd_filename = qemu_opt_get(machine_opts, "initrd" ); |
4221 | kernel_cmdline = qemu_opt_get(machine_opts, "append" ); |
4222 | bios_name = qemu_opt_get(machine_opts, "firmware" ); |
4223 | |
4224 | opts = qemu_opts_find(qemu_find_opts("boot-opts" ), NULL); |
4225 | if (opts) { |
4226 | boot_order = qemu_opt_get(opts, "order" ); |
4227 | if (boot_order) { |
4228 | validate_bootdevices(boot_order, &error_fatal); |
4229 | } |
4230 | |
4231 | boot_once = qemu_opt_get(opts, "once" ); |
4232 | if (boot_once) { |
4233 | validate_bootdevices(boot_once, &error_fatal); |
4234 | } |
4235 | |
4236 | boot_menu = qemu_opt_get_bool(opts, "menu" , boot_menu); |
4237 | boot_strict = qemu_opt_get_bool(opts, "strict" , false); |
4238 | } |
4239 | |
4240 | if (!boot_order) { |
4241 | boot_order = machine_class->default_boot_order; |
4242 | } |
4243 | |
4244 | if (!kernel_cmdline) { |
4245 | kernel_cmdline = "" ; |
4246 | current_machine->kernel_cmdline = (char *)kernel_cmdline; |
4247 | } |
4248 | |
4249 | linux_boot = (kernel_filename != NULL); |
4250 | |
4251 | if (!linux_boot && *kernel_cmdline != '\0') { |
4252 | error_report("-append only allowed with -kernel option" ); |
4253 | exit(1); |
4254 | } |
4255 | |
4256 | if (!linux_boot && initrd_filename != NULL) { |
4257 | error_report("-initrd only allowed with -kernel option" ); |
4258 | exit(1); |
4259 | } |
4260 | |
4261 | if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) { |
4262 | /* fall back to the -kernel/-append */ |
4263 | semihosting_arg_fallback(kernel_filename, kernel_cmdline); |
4264 | } |
4265 | |
4266 | /* spice needs the timers to be initialized by this point */ |
4267 | qemu_spice_init(); |
4268 | |
4269 | cpu_ticks_init(); |
4270 | if (icount_opts) { |
4271 | if (!tcg_enabled()) { |
4272 | error_report("-icount is not allowed with hardware virtualization" ); |
4273 | exit(1); |
4274 | } |
4275 | configure_icount(icount_opts, &error_abort); |
4276 | qemu_opts_del(icount_opts); |
4277 | } |
4278 | |
4279 | if (tcg_enabled()) { |
4280 | qemu_tcg_configure(accel_opts, &error_fatal); |
4281 | } |
4282 | |
4283 | if (default_net) { |
4284 | QemuOptsList *net = qemu_find_opts("net" ); |
4285 | qemu_opts_set(net, NULL, "type" , "nic" , &error_abort); |
4286 | #ifdef CONFIG_SLIRP |
4287 | qemu_opts_set(net, NULL, "type" , "user" , &error_abort); |
4288 | #endif |
4289 | } |
4290 | |
4291 | if (net_init_clients(&err) < 0) { |
4292 | error_report_err(err); |
4293 | exit(1); |
4294 | } |
4295 | |
4296 | qemu_opts_foreach(qemu_find_opts("object" ), |
4297 | user_creatable_add_opts_foreach, |
4298 | object_create_delayed, &error_fatal); |
4299 | |
4300 | tpm_init(); |
4301 | |
4302 | /* init the bluetooth world */ |
4303 | if (foreach_device_config(DEV_BT, bt_parse)) |
4304 | exit(1); |
4305 | |
4306 | if (!xen_enabled()) { |
4307 | /* On 32-bit hosts, QEMU is limited by virtual address space */ |
4308 | if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) { |
4309 | error_report("at most 2047 MB RAM can be simulated" ); |
4310 | exit(1); |
4311 | } |
4312 | } |
4313 | |
4314 | blk_mig_init(); |
4315 | ram_mig_init(); |
4316 | dirty_bitmap_mig_init(); |
4317 | |
4318 | qemu_opts_foreach(qemu_find_opts("mon" ), |
4319 | mon_init_func, NULL, &error_fatal); |
4320 | |
4321 | if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) |
4322 | exit(1); |
4323 | if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) |
4324 | exit(1); |
4325 | if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0) |
4326 | exit(1); |
4327 | |
4328 | /* If no default VGA is requested, the default is "none". */ |
4329 | if (default_vga) { |
4330 | vga_model = get_default_vga_model(machine_class); |
4331 | } |
4332 | if (vga_model) { |
4333 | select_vgahw(machine_class, vga_model); |
4334 | } |
4335 | |
4336 | if (watchdog) { |
4337 | i = select_watchdog(watchdog); |
4338 | if (i > 0) |
4339 | exit (i == 1 ? 1 : 0); |
4340 | } |
4341 | |
4342 | /* This checkpoint is required by replay to separate prior clock |
4343 | reading from the other reads, because timer polling functions query |
4344 | clock values from the log. */ |
4345 | replay_checkpoint(CHECKPOINT_INIT); |
4346 | qdev_machine_init(); |
4347 | |
4348 | current_machine->boot_order = boot_order; |
4349 | |
4350 | /* parse features once if machine provides default cpu_type */ |
4351 | current_machine->cpu_type = machine_class->default_cpu_type; |
4352 | if (cpu_option) { |
4353 | current_machine->cpu_type = parse_cpu_option(cpu_option); |
4354 | } |
4355 | parse_numa_opts(current_machine); |
4356 | |
4357 | /* do monitor/qmp handling at preconfig state if requested */ |
4358 | main_loop(); |
4359 | |
4360 | audio_init_audiodevs(); |
4361 | |
4362 | /* from here on runstate is RUN_STATE_PRELAUNCH */ |
4363 | machine_run_board_init(current_machine); |
4364 | |
4365 | realtime_init(); |
4366 | |
4367 | soundhw_init(); |
4368 | |
4369 | if (hax_enabled()) { |
4370 | hax_sync_vcpus(); |
4371 | } |
4372 | |
4373 | qemu_opts_foreach(qemu_find_opts("fw_cfg" ), |
4374 | parse_fw_cfg, fw_cfg_find(), &error_fatal); |
4375 | |
4376 | /* init USB devices */ |
4377 | if (machine_usb(current_machine)) { |
4378 | if (foreach_device_config(DEV_USB, usb_parse) < 0) |
4379 | exit(1); |
4380 | } |
4381 | |
4382 | /* Check if IGD GFX passthrough. */ |
4383 | igd_gfx_passthru(); |
4384 | |
4385 | /* init generic devices */ |
4386 | rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE); |
4387 | qemu_opts_foreach(qemu_find_opts("device" ), |
4388 | device_init_func, NULL, &error_fatal); |
4389 | |
4390 | cpu_synchronize_all_post_init(); |
4391 | |
4392 | rom_reset_order_override(); |
4393 | |
4394 | /* Did we create any drives that we failed to create a device for? */ |
4395 | drive_check_orphaned(); |
4396 | |
4397 | /* Don't warn about the default network setup that you get if |
4398 | * no command line -net or -netdev options are specified. There |
4399 | * are two cases that we would otherwise complain about: |
4400 | * (1) board doesn't support a NIC but the implicit "-net nic" |
4401 | * requested one |
4402 | * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic" |
4403 | * sets up a nic that isn't connected to anything. |
4404 | */ |
4405 | if (!default_net && (!qtest_enabled() || has_defaults)) { |
4406 | net_check_clients(); |
4407 | } |
4408 | |
4409 | if (boot_once) { |
4410 | qemu_boot_set(boot_once, &error_fatal); |
4411 | qemu_register_reset(restore_boot_order, g_strdup(boot_order)); |
4412 | } |
4413 | |
4414 | /* init local displays */ |
4415 | ds = init_displaystate(); |
4416 | qemu_display_init(ds, &dpy); |
4417 | |
4418 | /* must be after terminal init, SDL library changes signal handlers */ |
4419 | os_setup_signal_handling(); |
4420 | |
4421 | /* init remote displays */ |
4422 | #ifdef CONFIG_VNC |
4423 | qemu_opts_foreach(qemu_find_opts("vnc" ), |
4424 | vnc_init_func, NULL, &error_fatal); |
4425 | #endif |
4426 | |
4427 | if (using_spice) { |
4428 | qemu_spice_display_init(); |
4429 | } |
4430 | |
4431 | if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) { |
4432 | exit(1); |
4433 | } |
4434 | |
4435 | qdev_machine_creation_done(); |
4436 | |
4437 | /* TODO: once all bus devices are qdevified, this should be done |
4438 | * when bus is created by qdev.c */ |
4439 | qemu_register_reset(qbus_reset_all_fn, sysbus_get_default()); |
4440 | qemu_run_machine_init_done_notifiers(); |
4441 | |
4442 | if (rom_check_and_register_reset() != 0) { |
4443 | error_report("rom check and register reset failed" ); |
4444 | exit(1); |
4445 | } |
4446 | |
4447 | replay_start(); |
4448 | |
4449 | /* This checkpoint is required by replay to separate prior clock |
4450 | reading from the other reads, because timer polling functions query |
4451 | clock values from the log. */ |
4452 | replay_checkpoint(CHECKPOINT_RESET); |
4453 | qemu_system_reset(SHUTDOWN_CAUSE_NONE); |
4454 | register_global_state(); |
4455 | if (loadvm) { |
4456 | Error *local_err = NULL; |
4457 | if (load_snapshot(loadvm, &local_err) < 0) { |
4458 | error_report_err(local_err); |
4459 | autostart = 0; |
4460 | exit(1); |
4461 | } |
4462 | } |
4463 | if (replay_mode != REPLAY_MODE_NONE) { |
4464 | replay_vmstate_init(); |
4465 | } |
4466 | |
4467 | qdev_prop_check_globals(); |
4468 | if (vmstate_dump_file) { |
4469 | /* dump and exit */ |
4470 | dump_vmstate_json_to_file(vmstate_dump_file); |
4471 | return 0; |
4472 | } |
4473 | |
4474 | if (incoming) { |
4475 | Error *local_err = NULL; |
4476 | qemu_start_incoming_migration(incoming, &local_err); |
4477 | if (local_err) { |
4478 | error_reportf_err(local_err, "-incoming %s: " , incoming); |
4479 | exit(1); |
4480 | } |
4481 | } else if (autostart) { |
4482 | vm_start(); |
4483 | } |
4484 | |
4485 | accel_setup_post(current_machine); |
4486 | os_setup_post(); |
4487 | |
4488 | main_loop(); |
4489 | |
4490 | gdbserver_cleanup(); |
4491 | |
4492 | /* |
4493 | * cleaning up the migration object cancels any existing migration |
4494 | * try to do this early so that it also stops using devices. |
4495 | */ |
4496 | migration_shutdown(); |
4497 | |
4498 | /* |
4499 | * We must cancel all block jobs while the block layer is drained, |
4500 | * or cancelling will be affected by throttling and thus may block |
4501 | * for an extended period of time. |
4502 | * vm_shutdown() will bdrv_drain_all(), so we may as well include |
4503 | * it in the drained section. |
4504 | * We do not need to end this section, because we do not want any |
4505 | * requests happening from here on anyway. |
4506 | */ |
4507 | bdrv_drain_all_begin(); |
4508 | |
4509 | /* No more vcpu or device emulation activity beyond this point */ |
4510 | vm_shutdown(); |
4511 | |
4512 | job_cancel_sync_all(); |
4513 | bdrv_close_all(); |
4514 | |
4515 | res_free(); |
4516 | |
4517 | /* vhost-user must be cleaned up before chardevs. */ |
4518 | tpm_cleanup(); |
4519 | net_cleanup(); |
4520 | audio_cleanup(); |
4521 | monitor_cleanup(); |
4522 | qemu_chr_cleanup(); |
4523 | user_creatable_cleanup(); |
4524 | /* TODO: unref root container, check all devices are ok */ |
4525 | |
4526 | return 0; |
4527 | } |
4528 | |