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