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1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu-common.h"
27 #include "qemu/units.h"
28 #include "hw/qdev-properties.h"
29 #include "qapi/error.h"
30 #include "qemu-version.h"
31 #include "qemu/cutils.h"
32 #include "qemu/help_option.h"
33 #include "qemu/uuid.h"
34 #include "sysemu/reset.h"
35 #include "sysemu/runstate.h"
36 #include "sysemu/seccomp.h"
37 #include "sysemu/tcg.h"
38
39 #ifdef CONFIG_SDL
40 #if defined(__APPLE__) || defined(main)
41 #include <SDL.h>
42 int qemu_main(int argc, char **argv, char **envp);
43 int main(int argc, char **argv)
44 {
45 return qemu_main(argc, argv, NULL);
46 }
47 #undef main
48 #define main qemu_main
49 #endif
50 #endif /* CONFIG_SDL */
51
52 #ifdef CONFIG_COCOA
53 #undef main
54 #define main qemu_main
55 #endif /* CONFIG_COCOA */
56
57
58 #include "qemu/error-report.h"
59 #include "qemu/sockets.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/isa/isa.h"
63 #include "hw/scsi/scsi.h"
64 #include "hw/display/vga.h"
65 #include "hw/bt.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/firmware/smbios.h"
68 #include "hw/acpi/acpi.h"
69 #include "hw/xen/xen.h"
70 #include "hw/loader.h"
71 #include "monitor/qdev.h"
72 #include "sysemu/bt.h"
73 #include "net/net.h"
74 #include "net/slirp.h"
75 #include "monitor/monitor.h"
76 #include "ui/console.h"
77 #include "ui/input.h"
78 #include "sysemu/sysemu.h"
79 #include "sysemu/numa.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "chardev/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/log.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/misc.h"
88 #include "migration/snapshot.h"
89 #include "migration/global_state.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "hw/audio/soundhw.h"
93 #include "audio/audio.h"
94 #include "sysemu/cpus.h"
95 #include "migration/colo.h"
96 #include "migration/postcopy-ram.h"
97 #include "sysemu/kvm.h"
98 #include "sysemu/hax.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qemu/option.h"
101 #include "qemu/config-file.h"
102 #include "qemu-options.h"
103 #include "qemu/main-loop.h"
104 #ifdef CONFIG_VIRTFS
105 #include "fsdev/qemu-fsdev.h"
106 #endif
107 #include "sysemu/qtest.h"
108
109 #include "disas/disas.h"
110
111 #include "trace-root.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/arch_init.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qapi/clone-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "hw/semihosting/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qapi-events-run-state.h"
125 #include "qapi/qapi-visit-block-core.h"
126 #include "qapi/qapi-visit-ui.h"
127 #include "qapi/qapi-commands-block-core.h"
128 #include "qapi/qapi-commands-run-state.h"
129 #include "qapi/qapi-commands-ui.h"
130 #include "qapi/qmp/qerror.h"
131 #include "sysemu/iothread.h"
132 #include "qemu/guest-random.h"
133
134 #define MAX_VIRTIO_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int display_opengl;
141 const char* keyboard_layout = NULL;
142 ram_addr_t ram_size;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 bool enable_cpu_pm = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static enum {
151 RTC_BASE_UTC,
152 RTC_BASE_LOCALTIME,
153 RTC_BASE_DATETIME,
154 } rtc_base_type = RTC_BASE_UTC;
155 static time_t rtc_ref_start_datetime;
156 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
157 static int rtc_host_datetime_offset = -1; /* valid & used only with
158 RTC_BASE_DATETIME */
159 QEMUClockType rtc_clock;
160 int vga_interface_type = VGA_NONE;
161 static DisplayOptions dpy;
162 static int num_serial_hds;
163 static Chardev **serial_hds;
164 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
165 int win2k_install_hack = 0;
166 int singlestep = 0;
167 int acpi_enabled = 1;
168 int no_hpet = 0;
169 int fd_bootchk = 1;
170 static int no_reboot;
171 int no_shutdown = 0;
172 int cursor_hide = 1;
173 int graphic_rotate = 0;
174 const char *watchdog;
175 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
176 int nb_option_roms;
177 int old_param = 0;
178 const char *qemu_name;
179 int alt_grab = 0;
180 int ctrl_grab = 0;
181 unsigned int nb_prom_envs = 0;
182 const char *prom_envs[MAX_PROM_ENVS];
183 int boot_menu;
184 bool boot_strict;
185 uint8_t *boot_splash_filedata;
186 int only_migratable; /* turn it off unless user states otherwise */
187 bool wakeup_suspend_enabled;
188
189 int icount_align_option;
190
191 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
193 */
194 QemuUUID qemu_uuid;
195 bool qemu_uuid_set;
196
197 static NotifierList exit_notifiers =
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
199
200 static NotifierList machine_init_done_notifiers =
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
202
203 bool xen_allowed;
204 uint32_t xen_domid;
205 enum xen_mode xen_mode = XEN_EMULATE;
206 bool xen_domid_restrict;
207
208 static int has_defaults = 1;
209 static int default_serial = 1;
210 static int default_parallel = 1;
211 static int default_monitor = 1;
212 static int default_floppy = 1;
213 static int default_cdrom = 1;
214 static int default_sdcard = 1;
215 static int default_vga = 1;
216 static int default_net = 1;
217
218 static struct {
219 const char *driver;
220 int *flag;
221 } default_list[] = {
222 { .driver = "isa-serial", .flag = &default_serial },
223 { .driver = "isa-parallel", .flag = &default_parallel },
224 { .driver = "isa-fdc", .flag = &default_floppy },
225 { .driver = "floppy", .flag = &default_floppy },
226 { .driver = "ide-cd", .flag = &default_cdrom },
227 { .driver = "ide-hd", .flag = &default_cdrom },
228 { .driver = "ide-drive", .flag = &default_cdrom },
229 { .driver = "scsi-cd", .flag = &default_cdrom },
230 { .driver = "scsi-hd", .flag = &default_cdrom },
231 { .driver = "VGA", .flag = &default_vga },
232 { .driver = "isa-vga", .flag = &default_vga },
233 { .driver = "cirrus-vga", .flag = &default_vga },
234 { .driver = "isa-cirrus-vga", .flag = &default_vga },
235 { .driver = "vmware-svga", .flag = &default_vga },
236 { .driver = "qxl-vga", .flag = &default_vga },
237 { .driver = "virtio-vga", .flag = &default_vga },
238 { .driver = "ati-vga", .flag = &default_vga },
239 { .driver = "vhost-user-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .merge_lists = true,
246 .desc = {
247 {
248 .name = "base",
249 .type = QEMU_OPT_STRING,
250 },{
251 .name = "clock",
252 .type = QEMU_OPT_STRING,
253 },{
254 .name = "driftfix",
255 .type = QEMU_OPT_STRING,
256 },
257 { /* end of list */ }
258 },
259 };
260
261 static QemuOptsList qemu_option_rom_opts = {
262 .name = "option-rom",
263 .implied_opt_name = "romfile",
264 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
265 .desc = {
266 {
267 .name = "bootindex",
268 .type = QEMU_OPT_NUMBER,
269 }, {
270 .name = "romfile",
271 .type = QEMU_OPT_STRING,
272 },
273 { /* end of list */ }
274 },
275 };
276
277 static QemuOptsList qemu_machine_opts = {
278 .name = "machine",
279 .implied_opt_name = "type",
280 .merge_lists = true,
281 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
282 .desc = {
283 /*
284 * no elements => accept any
285 * sanity checking will happen later
286 * when setting machine properties
287 */
288 { }
289 },
290 };
291
292 static QemuOptsList qemu_accel_opts = {
293 .name = "accel",
294 .implied_opt_name = "accel",
295 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
296 .merge_lists = true,
297 .desc = {
298 {
299 .name = "accel",
300 .type = QEMU_OPT_STRING,
301 .help = "Select the type of accelerator",
302 },
303 {
304 .name = "thread",
305 .type = QEMU_OPT_STRING,
306 .help = "Enable/disable multi-threaded TCG",
307 },
308 { /* end of list */ }
309 },
310 };
311
312 static QemuOptsList qemu_boot_opts = {
313 .name = "boot-opts",
314 .implied_opt_name = "order",
315 .merge_lists = true,
316 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
317 .desc = {
318 {
319 .name = "order",
320 .type = QEMU_OPT_STRING,
321 }, {
322 .name = "once",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "menu",
326 .type = QEMU_OPT_BOOL,
327 }, {
328 .name = "splash",
329 .type = QEMU_OPT_STRING,
330 }, {
331 .name = "splash-time",
332 .type = QEMU_OPT_NUMBER,
333 }, {
334 .name = "reboot-timeout",
335 .type = QEMU_OPT_NUMBER,
336 }, {
337 .name = "strict",
338 .type = QEMU_OPT_BOOL,
339 },
340 { /*End of list */ }
341 },
342 };
343
344 static QemuOptsList qemu_add_fd_opts = {
345 .name = "add-fd",
346 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
347 .desc = {
348 {
349 .name = "fd",
350 .type = QEMU_OPT_NUMBER,
351 .help = "file descriptor of which a duplicate is added to fd set",
352 },{
353 .name = "set",
354 .type = QEMU_OPT_NUMBER,
355 .help = "ID of the fd set to add fd to",
356 },{
357 .name = "opaque",
358 .type = QEMU_OPT_STRING,
359 .help = "free-form string used to describe fd",
360 },
361 { /* end of list */ }
362 },
363 };
364
365 static QemuOptsList qemu_object_opts = {
366 .name = "object",
367 .implied_opt_name = "qom-type",
368 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
369 .desc = {
370 { }
371 },
372 };
373
374 static QemuOptsList qemu_tpmdev_opts = {
375 .name = "tpmdev",
376 .implied_opt_name = "type",
377 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
378 .desc = {
379 /* options are defined in the TPM backends */
380 { /* end of list */ }
381 },
382 };
383
384 static QemuOptsList qemu_realtime_opts = {
385 .name = "realtime",
386 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
387 .desc = {
388 {
389 .name = "mlock",
390 .type = QEMU_OPT_BOOL,
391 },
392 { /* end of list */ }
393 },
394 };
395
396 static QemuOptsList qemu_overcommit_opts = {
397 .name = "overcommit",
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
399 .desc = {
400 {
401 .name = "mem-lock",
402 .type = QEMU_OPT_BOOL,
403 },
404 {
405 .name = "cpu-pm",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_msg_opts = {
413 .name = "msg",
414 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
415 .desc = {
416 {
417 .name = "timestamp",
418 .type = QEMU_OPT_BOOL,
419 },
420 { /* end of list */ }
421 },
422 };
423
424 static QemuOptsList qemu_name_opts = {
425 .name = "name",
426 .implied_opt_name = "guest",
427 .merge_lists = true,
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
429 .desc = {
430 {
431 .name = "guest",
432 .type = QEMU_OPT_STRING,
433 .help = "Sets the name of the guest.\n"
434 "This name will be displayed in the SDL window caption.\n"
435 "The name will also be used for the VNC server",
436 }, {
437 .name = "process",
438 .type = QEMU_OPT_STRING,
439 .help = "Sets the name of the QEMU process, as shown in top etc",
440 }, {
441 .name = "debug-threads",
442 .type = QEMU_OPT_BOOL,
443 .help = "When enabled, name the individual threads; defaults off.\n"
444 "NOTE: The thread names are for debugging and not a\n"
445 "stable API.",
446 },
447 { /* End of list */ }
448 },
449 };
450
451 static QemuOptsList qemu_mem_opts = {
452 .name = "memory",
453 .implied_opt_name = "size",
454 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
455 .merge_lists = true,
456 .desc = {
457 {
458 .name = "size",
459 .type = QEMU_OPT_SIZE,
460 },
461 {
462 .name = "slots",
463 .type = QEMU_OPT_NUMBER,
464 },
465 {
466 .name = "maxmem",
467 .type = QEMU_OPT_SIZE,
468 },
469 { /* end of list */ }
470 },
471 };
472
473 static QemuOptsList qemu_icount_opts = {
474 .name = "icount",
475 .implied_opt_name = "shift",
476 .merge_lists = true,
477 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
478 .desc = {
479 {
480 .name = "shift",
481 .type = QEMU_OPT_STRING,
482 }, {
483 .name = "align",
484 .type = QEMU_OPT_BOOL,
485 }, {
486 .name = "sleep",
487 .type = QEMU_OPT_BOOL,
488 }, {
489 .name = "rr",
490 .type = QEMU_OPT_STRING,
491 }, {
492 .name = "rrfile",
493 .type = QEMU_OPT_STRING,
494 }, {
495 .name = "rrsnapshot",
496 .type = QEMU_OPT_STRING,
497 },
498 { /* end of list */ }
499 },
500 };
501
502 static QemuOptsList qemu_fw_cfg_opts = {
503 .name = "fw_cfg",
504 .implied_opt_name = "name",
505 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
506 .desc = {
507 {
508 .name = "name",
509 .type = QEMU_OPT_STRING,
510 .help = "Sets the fw_cfg name of the blob to be inserted",
511 }, {
512 .name = "file",
513 .type = QEMU_OPT_STRING,
514 .help = "Sets the name of the file from which "
515 "the fw_cfg blob will be loaded",
516 }, {
517 .name = "string",
518 .type = QEMU_OPT_STRING,
519 .help = "Sets content of the blob to be inserted from a string",
520 },
521 { /* end of list */ }
522 },
523 };
524
525 /**
526 * Get machine options
527 *
528 * Returns: machine options (never null).
529 */
530 QemuOpts *qemu_get_machine_opts(void)
531 {
532 return qemu_find_opts_singleton("machine");
533 }
534
535 const char *qemu_get_vm_name(void)
536 {
537 return qemu_name;
538 }
539
540 static void res_free(void)
541 {
542 g_free(boot_splash_filedata);
543 boot_splash_filedata = NULL;
544 }
545
546 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
547 {
548 const char *driver = qemu_opt_get(opts, "driver");
549 int i;
550
551 if (!driver)
552 return 0;
553 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
554 if (strcmp(default_list[i].driver, driver) != 0)
555 continue;
556 *(default_list[i].flag) = 0;
557 }
558 return 0;
559 }
560
561 /***********************************************************/
562 /* QEMU state */
563
564 static RunState current_run_state = RUN_STATE_PRECONFIG;
565
566 /* We use RUN_STATE__MAX but any invalid value will do */
567 static RunState vmstop_requested = RUN_STATE__MAX;
568 static QemuMutex vmstop_lock;
569
570 typedef struct {
571 RunState from;
572 RunState to;
573 } RunStateTransition;
574
575 static const RunStateTransition runstate_transitions_def[] = {
576 /* from -> to */
577 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
578 /* Early switch to inmigrate state to allow -incoming CLI option work
579 * as it used to. TODO: delay actual switching to inmigrate state to
580 * the point after machine is built and remove this hack.
581 */
582 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
583
584 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
585 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
586 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
587
588 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
589 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
590 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
592 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
593 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
595 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
596 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
598 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
599 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
600
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
602 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
606 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
608
609 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
610 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
612 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
613 { RUN_STATE_PAUSED, RUN_STATE_COLO},
614
615 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
616 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
617 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
618
619 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
620 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
622
623 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
624 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
625 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
626 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
627 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
628
629 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
630 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
631
632 { RUN_STATE_COLO, RUN_STATE_RUNNING },
633
634 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
635 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
636 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
637 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
638 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
640 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
641 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
642 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
643 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
644 { RUN_STATE_RUNNING, RUN_STATE_COLO},
645
646 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
647
648 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
649 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
651
652 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
653 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
654 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
655 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
656 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
657 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
658
659 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
660 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
661 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
662 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
663
664 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
665 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
667
668 { RUN_STATE__MAX, RUN_STATE__MAX },
669 };
670
671 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
672
673 bool runstate_check(RunState state)
674 {
675 return current_run_state == state;
676 }
677
678 bool runstate_store(char *str, size_t size)
679 {
680 const char *state = RunState_str(current_run_state);
681 size_t len = strlen(state) + 1;
682
683 if (len > size) {
684 return false;
685 }
686 memcpy(str, state, len);
687 return true;
688 }
689
690 static void runstate_init(void)
691 {
692 const RunStateTransition *p;
693
694 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
695 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
696 runstate_valid_transitions[p->from][p->to] = true;
697 }
698
699 qemu_mutex_init(&vmstop_lock);
700 }
701
702 /* This function will abort() on invalid state transitions */
703 void runstate_set(RunState new_state)
704 {
705 assert(new_state < RUN_STATE__MAX);
706
707 trace_runstate_set(current_run_state, RunState_str(current_run_state),
708 new_state, RunState_str(new_state));
709
710 if (current_run_state == new_state) {
711 return;
712 }
713
714 if (!runstate_valid_transitions[current_run_state][new_state]) {
715 error_report("invalid runstate transition: '%s' -> '%s'",
716 RunState_str(current_run_state),
717 RunState_str(new_state));
718 abort();
719 }
720
721 current_run_state = new_state;
722 }
723
724 int runstate_is_running(void)
725 {
726 return runstate_check(RUN_STATE_RUNNING);
727 }
728
729 bool runstate_needs_reset(void)
730 {
731 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
732 runstate_check(RUN_STATE_SHUTDOWN);
733 }
734
735 StatusInfo *qmp_query_status(Error **errp)
736 {
737 StatusInfo *info = g_malloc0(sizeof(*info));
738
739 info->running = runstate_is_running();
740 info->singlestep = singlestep;
741 info->status = current_run_state;
742
743 return info;
744 }
745
746 bool qemu_vmstop_requested(RunState *r)
747 {
748 qemu_mutex_lock(&vmstop_lock);
749 *r = vmstop_requested;
750 vmstop_requested = RUN_STATE__MAX;
751 qemu_mutex_unlock(&vmstop_lock);
752 return *r < RUN_STATE__MAX;
753 }
754
755 void qemu_system_vmstop_request_prepare(void)
756 {
757 qemu_mutex_lock(&vmstop_lock);
758 }
759
760 void qemu_system_vmstop_request(RunState state)
761 {
762 vmstop_requested = state;
763 qemu_mutex_unlock(&vmstop_lock);
764 qemu_notify_event();
765 }
766
767 /***********************************************************/
768 /* RTC reference time/date access */
769 static time_t qemu_ref_timedate(QEMUClockType clock)
770 {
771 time_t value = qemu_clock_get_ms(clock) / 1000;
772 switch (clock) {
773 case QEMU_CLOCK_REALTIME:
774 value -= rtc_realtime_clock_offset;
775 /* fall through */
776 case QEMU_CLOCK_VIRTUAL:
777 value += rtc_ref_start_datetime;
778 break;
779 case QEMU_CLOCK_HOST:
780 if (rtc_base_type == RTC_BASE_DATETIME) {
781 value -= rtc_host_datetime_offset;
782 }
783 break;
784 default:
785 assert(0);
786 }
787 return value;
788 }
789
790 void qemu_get_timedate(struct tm *tm, int offset)
791 {
792 time_t ti = qemu_ref_timedate(rtc_clock);
793
794 ti += offset;
795
796 switch (rtc_base_type) {
797 case RTC_BASE_DATETIME:
798 case RTC_BASE_UTC:
799 gmtime_r(&ti, tm);
800 break;
801 case RTC_BASE_LOCALTIME:
802 localtime_r(&ti, tm);
803 break;
804 }
805 }
806
807 int qemu_timedate_diff(struct tm *tm)
808 {
809 time_t seconds;
810
811 switch (rtc_base_type) {
812 case RTC_BASE_DATETIME:
813 case RTC_BASE_UTC:
814 seconds = mktimegm(tm);
815 break;
816 case RTC_BASE_LOCALTIME:
817 {
818 struct tm tmp = *tm;
819 tmp.tm_isdst = -1; /* use timezone to figure it out */
820 seconds = mktime(&tmp);
821 break;
822 }
823 default:
824 abort();
825 }
826
827 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
828 }
829
830 static void configure_rtc_base_datetime(const char *startdate)
831 {
832 time_t rtc_start_datetime;
833 struct tm tm;
834
835 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
836 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
837 /* OK */
838 } else if (sscanf(startdate, "%d-%d-%d",
839 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
840 tm.tm_hour = 0;
841 tm.tm_min = 0;
842 tm.tm_sec = 0;
843 } else {
844 goto date_fail;
845 }
846 tm.tm_year -= 1900;
847 tm.tm_mon--;
848 rtc_start_datetime = mktimegm(&tm);
849 if (rtc_start_datetime == -1) {
850 date_fail:
851 error_report("invalid datetime format");
852 error_printf("valid formats: "
853 "'2006-06-17T16:01:21' or '2006-06-17'\n");
854 exit(1);
855 }
856 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
857 rtc_ref_start_datetime = rtc_start_datetime;
858 }
859
860 static void configure_rtc(QemuOpts *opts)
861 {
862 const char *value;
863
864 /* Set defaults */
865 rtc_clock = QEMU_CLOCK_HOST;
866 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
867 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
868
869 value = qemu_opt_get(opts, "base");
870 if (value) {
871 if (!strcmp(value, "utc")) {
872 rtc_base_type = RTC_BASE_UTC;
873 } else if (!strcmp(value, "localtime")) {
874 Error *blocker = NULL;
875 rtc_base_type = RTC_BASE_LOCALTIME;
876 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
877 "-rtc base=localtime");
878 replay_add_blocker(blocker);
879 } else {
880 rtc_base_type = RTC_BASE_DATETIME;
881 configure_rtc_base_datetime(value);
882 }
883 }
884 value = qemu_opt_get(opts, "clock");
885 if (value) {
886 if (!strcmp(value, "host")) {
887 rtc_clock = QEMU_CLOCK_HOST;
888 } else if (!strcmp(value, "rt")) {
889 rtc_clock = QEMU_CLOCK_REALTIME;
890 } else if (!strcmp(value, "vm")) {
891 rtc_clock = QEMU_CLOCK_VIRTUAL;
892 } else {
893 error_report("invalid option value '%s'", value);
894 exit(1);
895 }
896 }
897 value = qemu_opt_get(opts, "driftfix");
898 if (value) {
899 if (!strcmp(value, "slew")) {
900 static GlobalProperty slew_lost_ticks = {
901 .driver = "mc146818rtc",
902 .property = "lost_tick_policy",
903 .value = "slew",
904 };
905
906 qdev_prop_register_global(&slew_lost_ticks);
907 } else if (!strcmp(value, "none")) {
908 /* discard is default */
909 } else {
910 error_report("invalid option value '%s'", value);
911 exit(1);
912 }
913 }
914 }
915
916 /***********************************************************/
917 /* Bluetooth support */
918 static int nb_hcis;
919 static int cur_hci;
920 static struct HCIInfo *hci_table[MAX_NICS];
921
922 struct HCIInfo *qemu_next_hci(void)
923 {
924 if (cur_hci == nb_hcis)
925 return &null_hci;
926
927 return hci_table[cur_hci++];
928 }
929
930 static int bt_hci_parse(const char *str)
931 {
932 struct HCIInfo *hci;
933 bdaddr_t bdaddr;
934
935 if (nb_hcis >= MAX_NICS) {
936 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
937 return -1;
938 }
939
940 hci = hci_init(str);
941 if (!hci)
942 return -1;
943
944 bdaddr.b[0] = 0x52;
945 bdaddr.b[1] = 0x54;
946 bdaddr.b[2] = 0x00;
947 bdaddr.b[3] = 0x12;
948 bdaddr.b[4] = 0x34;
949 bdaddr.b[5] = 0x56 + nb_hcis;
950 hci->bdaddr_set(hci, bdaddr.b);
951
952 hci_table[nb_hcis++] = hci;
953
954 return 0;
955 }
956
957 static void bt_vhci_add(int vlan_id)
958 {
959 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
960
961 if (!vlan->slave)
962 warn_report("adding a VHCI to an empty scatternet %i",
963 vlan_id);
964
965 bt_vhci_init(bt_new_hci(vlan));
966 }
967
968 static struct bt_device_s *bt_device_add(const char *opt)
969 {
970 struct bt_scatternet_s *vlan;
971 int vlan_id = 0;
972 char *endp = strstr(opt, ",vlan=");
973 int len = (endp ? endp - opt : strlen(opt)) + 1;
974 char devname[10];
975
976 pstrcpy(devname, MIN(sizeof(devname), len), opt);
977
978 if (endp) {
979 vlan_id = strtol(endp + 6, &endp, 0);
980 if (*endp) {
981 error_report("unrecognised bluetooth vlan Id");
982 return 0;
983 }
984 }
985
986 vlan = qemu_find_bt_vlan(vlan_id);
987
988 if (!vlan->slave)
989 warn_report("adding a slave device to an empty scatternet %i",
990 vlan_id);
991
992 if (!strcmp(devname, "keyboard"))
993 return bt_keyboard_init(vlan);
994
995 error_report("unsupported bluetooth device '%s'", devname);
996 return 0;
997 }
998
999 static int bt_parse(const char *opt)
1000 {
1001 const char *endp, *p;
1002 int vlan;
1003
1004 if (strstart(opt, "hci", &endp)) {
1005 if (!*endp || *endp == ',') {
1006 if (*endp)
1007 if (!strstart(endp, ",vlan=", 0))
1008 opt = endp + 1;
1009
1010 return bt_hci_parse(opt);
1011 }
1012 } else if (strstart(opt, "vhci", &endp)) {
1013 if (!*endp || *endp == ',') {
1014 if (*endp) {
1015 if (strstart(endp, ",vlan=", &p)) {
1016 vlan = strtol(p, (char **) &endp, 0);
1017 if (*endp) {
1018 error_report("bad scatternet '%s'", p);
1019 return 1;
1020 }
1021 } else {
1022 error_report("bad parameter '%s'", endp + 1);
1023 return 1;
1024 }
1025 } else
1026 vlan = 0;
1027
1028 bt_vhci_add(vlan);
1029 return 0;
1030 }
1031 } else if (strstart(opt, "device:", &endp))
1032 return !bt_device_add(endp);
1033
1034 error_report("bad bluetooth parameter '%s'", opt);
1035 return 1;
1036 }
1037
1038 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1039 {
1040 const char *proc_name;
1041
1042 if (qemu_opt_get(opts, "debug-threads")) {
1043 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1044 }
1045 qemu_name = qemu_opt_get(opts, "guest");
1046
1047 proc_name = qemu_opt_get(opts, "process");
1048 if (proc_name) {
1049 os_set_proc_name(proc_name);
1050 }
1051
1052 return 0;
1053 }
1054
1055 bool defaults_enabled(void)
1056 {
1057 return has_defaults;
1058 }
1059
1060 #ifndef _WIN32
1061 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1062 {
1063 int fd, dupfd, flags;
1064 int64_t fdset_id;
1065 const char *fd_opaque = NULL;
1066 AddfdInfo *fdinfo;
1067
1068 fd = qemu_opt_get_number(opts, "fd", -1);
1069 fdset_id = qemu_opt_get_number(opts, "set", -1);
1070 fd_opaque = qemu_opt_get(opts, "opaque");
1071
1072 if (fd < 0) {
1073 error_setg(errp, "fd option is required and must be non-negative");
1074 return -1;
1075 }
1076
1077 if (fd <= STDERR_FILENO) {
1078 error_setg(errp, "fd cannot be a standard I/O stream");
1079 return -1;
1080 }
1081
1082 /*
1083 * All fds inherited across exec() necessarily have FD_CLOEXEC
1084 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1085 */
1086 flags = fcntl(fd, F_GETFD);
1087 if (flags == -1 || (flags & FD_CLOEXEC)) {
1088 error_setg(errp, "fd is not valid or already in use");
1089 return -1;
1090 }
1091
1092 if (fdset_id < 0) {
1093 error_setg(errp, "set option is required and must be non-negative");
1094 return -1;
1095 }
1096
1097 #ifdef F_DUPFD_CLOEXEC
1098 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1099 #else
1100 dupfd = dup(fd);
1101 if (dupfd != -1) {
1102 qemu_set_cloexec(dupfd);
1103 }
1104 #endif
1105 if (dupfd == -1) {
1106 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1107 return -1;
1108 }
1109
1110 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1111 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1112 &error_abort);
1113 g_free(fdinfo);
1114
1115 return 0;
1116 }
1117
1118 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1119 {
1120 int fd;
1121
1122 fd = qemu_opt_get_number(opts, "fd", -1);
1123 close(fd);
1124
1125 return 0;
1126 }
1127 #endif
1128
1129 /***********************************************************/
1130 /* QEMU Block devices */
1131
1132 #define HD_OPTS "media=disk"
1133 #define CDROM_OPTS "media=cdrom"
1134 #define FD_OPTS ""
1135 #define PFLASH_OPTS ""
1136 #define MTD_OPTS ""
1137 #define SD_OPTS ""
1138
1139 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1140 {
1141 BlockInterfaceType *block_default_type = opaque;
1142
1143 return drive_new(opts, *block_default_type, errp) == NULL;
1144 }
1145
1146 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1147 {
1148 if (qemu_opt_get(opts, "snapshot") == NULL) {
1149 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1150 }
1151 return 0;
1152 }
1153
1154 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1155 int index, const char *optstr)
1156 {
1157 QemuOpts *opts;
1158 DriveInfo *dinfo;
1159
1160 if (!enable || drive_get_by_index(type, index)) {
1161 return;
1162 }
1163
1164 opts = drive_add(type, index, NULL, optstr);
1165 if (snapshot) {
1166 drive_enable_snapshot(NULL, opts, NULL);
1167 }
1168
1169 dinfo = drive_new(opts, type, &error_abort);
1170 dinfo->is_default = true;
1171
1172 }
1173
1174 typedef struct BlockdevOptionsQueueEntry {
1175 BlockdevOptions *bdo;
1176 Location loc;
1177 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1178 } BlockdevOptionsQueueEntry;
1179
1180 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1181
1182 static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
1183 MachineClass *machine_class, int snapshot)
1184 {
1185 /*
1186 * If the currently selected machine wishes to override the
1187 * units-per-bus property of its default HBA interface type, do so
1188 * now.
1189 */
1190 if (machine_class->units_per_default_bus) {
1191 override_max_devs(machine_class->block_default_type,
1192 machine_class->units_per_default_bus);
1193 }
1194
1195 /* open the virtual block devices */
1196 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
1197 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
1198
1199 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
1200 loc_push_restore(&bdo->loc);
1201 qmp_blockdev_add(bdo->bdo, &error_fatal);
1202 loc_pop(&bdo->loc);
1203 qapi_free_BlockdevOptions(bdo->bdo);
1204 g_free(bdo);
1205 }
1206 if (snapshot) {
1207 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
1208 NULL, NULL);
1209 }
1210 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
1211 &machine_class->block_default_type, &error_fatal)) {
1212 /* We printed help */
1213 exit(0);
1214 }
1215
1216 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
1217 CDROM_OPTS);
1218 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
1219 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
1220
1221 }
1222
1223 static QemuOptsList qemu_smp_opts = {
1224 .name = "smp-opts",
1225 .implied_opt_name = "cpus",
1226 .merge_lists = true,
1227 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1228 .desc = {
1229 {
1230 .name = "cpus",
1231 .type = QEMU_OPT_NUMBER,
1232 }, {
1233 .name = "sockets",
1234 .type = QEMU_OPT_NUMBER,
1235 }, {
1236 .name = "dies",
1237 .type = QEMU_OPT_NUMBER,
1238 }, {
1239 .name = "cores",
1240 .type = QEMU_OPT_NUMBER,
1241 }, {
1242 .name = "threads",
1243 .type = QEMU_OPT_NUMBER,
1244 }, {
1245 .name = "maxcpus",
1246 .type = QEMU_OPT_NUMBER,
1247 },
1248 { /*End of list */ }
1249 },
1250 };
1251
1252 static void realtime_init(void)
1253 {
1254 if (enable_mlock) {
1255 if (os_mlock() < 0) {
1256 error_report("locking memory failed");
1257 exit(1);
1258 }
1259 }
1260 }
1261
1262
1263 static void configure_msg(QemuOpts *opts)
1264 {
1265 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1266 }
1267
1268
1269 /* Now we still need this for compatibility with XEN. */
1270 bool has_igd_gfx_passthru;
1271 static void igd_gfx_passthru(void)
1272 {
1273 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1274 }
1275
1276 /***********************************************************/
1277 /* USB devices */
1278
1279 static int usb_device_add(const char *devname)
1280 {
1281 USBDevice *dev = NULL;
1282
1283 if (!machine_usb(current_machine)) {
1284 return -1;
1285 }
1286
1287 dev = usbdevice_create(devname);
1288 if (!dev)
1289 return -1;
1290
1291 return 0;
1292 }
1293
1294 static int usb_parse(const char *cmdline)
1295 {
1296 int r;
1297 r = usb_device_add(cmdline);
1298 if (r < 0) {
1299 error_report("could not add USB device '%s'", cmdline);
1300 }
1301 return r;
1302 }
1303
1304 /***********************************************************/
1305 /* machine registration */
1306
1307 MachineState *current_machine;
1308
1309 static MachineClass *find_machine(const char *name, GSList *machines)
1310 {
1311 GSList *el;
1312
1313 for (el = machines; el; el = el->next) {
1314 MachineClass *mc = el->data;
1315
1316 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
1317 return mc;
1318 }
1319 }
1320
1321 return NULL;
1322 }
1323
1324 static MachineClass *find_default_machine(GSList *machines)
1325 {
1326 GSList *el;
1327
1328 for (el = machines; el; el = el->next) {
1329 MachineClass *mc = el->data;
1330
1331 if (mc->is_default) {
1332 return mc;
1333 }
1334 }
1335
1336 return NULL;
1337 }
1338
1339 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1340 {
1341 ObjectProperty *prop;
1342 ObjectPropertyIterator iter;
1343
1344 if (!qemu_opt_has_help_opt(opts)) {
1345 return 0;
1346 }
1347
1348 object_property_iter_init(&iter, OBJECT(machine));
1349 while ((prop = object_property_iter_next(&iter))) {
1350 if (!prop->set) {
1351 continue;
1352 }
1353
1354 printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1355 prop->name, prop->type);
1356 if (prop->description) {
1357 printf(" (%s)\n", prop->description);
1358 } else {
1359 printf("\n");
1360 }
1361 }
1362
1363 return 1;
1364 }
1365
1366 struct VMChangeStateEntry {
1367 VMChangeStateHandler *cb;
1368 void *opaque;
1369 QTAILQ_ENTRY(VMChangeStateEntry) entries;
1370 int priority;
1371 };
1372
1373 static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head;
1374
1375 /**
1376 * qemu_add_vm_change_state_handler_prio:
1377 * @cb: the callback to invoke
1378 * @opaque: user data passed to the callback
1379 * @priority: low priorities execute first when the vm runs and the reverse is
1380 * true when the vm stops
1381 *
1382 * Register a callback function that is invoked when the vm starts or stops
1383 * running.
1384 *
1385 * Returns: an entry to be freed using qemu_del_vm_change_state_handler()
1386 */
1387 VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
1388 VMChangeStateHandler *cb, void *opaque, int priority)
1389 {
1390 VMChangeStateEntry *e;
1391 VMChangeStateEntry *other;
1392
1393 e = g_malloc0(sizeof(*e));
1394 e->cb = cb;
1395 e->opaque = opaque;
1396 e->priority = priority;
1397
1398 /* Keep list sorted in ascending priority order */
1399 QTAILQ_FOREACH(other, &vm_change_state_head, entries) {
1400 if (priority < other->priority) {
1401 QTAILQ_INSERT_BEFORE(other, e, entries);
1402 return e;
1403 }
1404 }
1405
1406 QTAILQ_INSERT_TAIL(&vm_change_state_head, e, entries);
1407 return e;
1408 }
1409
1410 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1411 void *opaque)
1412 {
1413 return qemu_add_vm_change_state_handler_prio(cb, opaque, 0);
1414 }
1415
1416 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1417 {
1418 QTAILQ_REMOVE(&vm_change_state_head, e, entries);
1419 g_free(e);
1420 }
1421
1422 void vm_state_notify(int running, RunState state)
1423 {
1424 VMChangeStateEntry *e, *next;
1425
1426 trace_vm_state_notify(running, state, RunState_str(state));
1427
1428 if (running) {
1429 QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1430 e->cb(e->opaque, running, state);
1431 }
1432 } else {
1433 QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) {
1434 e->cb(e->opaque, running, state);
1435 }
1436 }
1437 }
1438
1439 static ShutdownCause reset_requested;
1440 static ShutdownCause shutdown_requested;
1441 static int shutdown_signal;
1442 static pid_t shutdown_pid;
1443 static int powerdown_requested;
1444 static int debug_requested;
1445 static int suspend_requested;
1446 static bool preconfig_exit_requested = true;
1447 static WakeupReason wakeup_reason;
1448 static NotifierList powerdown_notifiers =
1449 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1450 static NotifierList suspend_notifiers =
1451 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1452 static NotifierList wakeup_notifiers =
1453 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1454 static NotifierList shutdown_notifiers =
1455 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1456 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1457
1458 ShutdownCause qemu_shutdown_requested_get(void)
1459 {
1460 return shutdown_requested;
1461 }
1462
1463 ShutdownCause qemu_reset_requested_get(void)
1464 {
1465 return reset_requested;
1466 }
1467
1468 static int qemu_shutdown_requested(void)
1469 {
1470 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1471 }
1472
1473 static void qemu_kill_report(void)
1474 {
1475 if (!qtest_driver() && shutdown_signal) {
1476 if (shutdown_pid == 0) {
1477 /* This happens for eg ^C at the terminal, so it's worth
1478 * avoiding printing an odd message in that case.
1479 */
1480 error_report("terminating on signal %d", shutdown_signal);
1481 } else {
1482 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1483
1484 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1485 shutdown_signal, shutdown_pid,
1486 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1487 g_free(shutdown_cmd);
1488 }
1489 shutdown_signal = 0;
1490 }
1491 }
1492
1493 static ShutdownCause qemu_reset_requested(void)
1494 {
1495 ShutdownCause r = reset_requested;
1496
1497 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1498 reset_requested = SHUTDOWN_CAUSE_NONE;
1499 return r;
1500 }
1501 return SHUTDOWN_CAUSE_NONE;
1502 }
1503
1504 static int qemu_suspend_requested(void)
1505 {
1506 int r = suspend_requested;
1507 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1508 suspend_requested = 0;
1509 return r;
1510 }
1511 return false;
1512 }
1513
1514 static WakeupReason qemu_wakeup_requested(void)
1515 {
1516 return wakeup_reason;
1517 }
1518
1519 static int qemu_powerdown_requested(void)
1520 {
1521 int r = powerdown_requested;
1522 powerdown_requested = 0;
1523 return r;
1524 }
1525
1526 static int qemu_debug_requested(void)
1527 {
1528 int r = debug_requested;
1529 debug_requested = 0;
1530 return r;
1531 }
1532
1533 void qemu_exit_preconfig_request(void)
1534 {
1535 preconfig_exit_requested = true;
1536 }
1537
1538 /*
1539 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1540 */
1541 void qemu_system_reset(ShutdownCause reason)
1542 {
1543 MachineClass *mc;
1544
1545 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1546
1547 cpu_synchronize_all_states();
1548
1549 if (mc && mc->reset) {
1550 mc->reset(current_machine);
1551 } else {
1552 qemu_devices_reset();
1553 }
1554 if (reason && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1555 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1556 }
1557 cpu_synchronize_all_post_reset();
1558 }
1559
1560 /*
1561 * Wake the VM after suspend.
1562 */
1563 static void qemu_system_wakeup(void)
1564 {
1565 MachineClass *mc;
1566
1567 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1568
1569 if (mc && mc->wakeup) {
1570 mc->wakeup(current_machine);
1571 }
1572 }
1573
1574 void qemu_system_guest_panicked(GuestPanicInformation *info)
1575 {
1576 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1577
1578 if (current_cpu) {
1579 current_cpu->crash_occurred = true;
1580 }
1581 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1582 !!info, info);
1583 vm_stop(RUN_STATE_GUEST_PANICKED);
1584 if (!no_shutdown) {
1585 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1586 !!info, info);
1587 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1588 }
1589
1590 if (info) {
1591 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1592 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1593 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1594 info->u.hyper_v.arg1,
1595 info->u.hyper_v.arg2,
1596 info->u.hyper_v.arg3,
1597 info->u.hyper_v.arg4,
1598 info->u.hyper_v.arg5);
1599 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1600 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1601 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1602 info->u.s390.core,
1603 S390CrashReason_str(info->u.s390.reason),
1604 info->u.s390.psw_mask,
1605 info->u.s390.psw_addr);
1606 }
1607 qapi_free_GuestPanicInformation(info);
1608 }
1609 }
1610
1611 void qemu_system_reset_request(ShutdownCause reason)
1612 {
1613 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1614 shutdown_requested = reason;
1615 } else {
1616 reset_requested = reason;
1617 }
1618 cpu_stop_current();
1619 qemu_notify_event();
1620 }
1621
1622 static void qemu_system_suspend(void)
1623 {
1624 pause_all_vcpus();
1625 notifier_list_notify(&suspend_notifiers, NULL);
1626 runstate_set(RUN_STATE_SUSPENDED);
1627 qapi_event_send_suspend();
1628 }
1629
1630 void qemu_system_suspend_request(void)
1631 {
1632 if (runstate_check(RUN_STATE_SUSPENDED)) {
1633 return;
1634 }
1635 suspend_requested = 1;
1636 cpu_stop_current();
1637 qemu_notify_event();
1638 }
1639
1640 void qemu_register_suspend_notifier(Notifier *notifier)
1641 {
1642 notifier_list_add(&suspend_notifiers, notifier);
1643 }
1644
1645 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1646 {
1647 trace_system_wakeup_request(reason);
1648
1649 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1650 error_setg(errp,
1651 "Unable to wake up: guest is not in suspended state");
1652 return;
1653 }
1654 if (!(wakeup_reason_mask & (1 << reason))) {
1655 return;
1656 }
1657 runstate_set(RUN_STATE_RUNNING);
1658 wakeup_reason = reason;
1659 qemu_notify_event();
1660 }
1661
1662 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1663 {
1664 if (enabled) {
1665 wakeup_reason_mask |= (1 << reason);
1666 } else {
1667 wakeup_reason_mask &= ~(1 << reason);
1668 }
1669 }
1670
1671 void qemu_register_wakeup_notifier(Notifier *notifier)
1672 {
1673 notifier_list_add(&wakeup_notifiers, notifier);
1674 }
1675
1676 void qemu_register_wakeup_support(void)
1677 {
1678 wakeup_suspend_enabled = true;
1679 }
1680
1681 bool qemu_wakeup_suspend_enabled(void)
1682 {
1683 return wakeup_suspend_enabled;
1684 }
1685
1686 void qemu_system_killed(int signal, pid_t pid)
1687 {
1688 shutdown_signal = signal;
1689 shutdown_pid = pid;
1690 no_shutdown = 0;
1691
1692 /* Cannot call qemu_system_shutdown_request directly because
1693 * we are in a signal handler.
1694 */
1695 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1696 qemu_notify_event();
1697 }
1698
1699 void qemu_system_shutdown_request(ShutdownCause reason)
1700 {
1701 trace_qemu_system_shutdown_request(reason);
1702 replay_shutdown_request(reason);
1703 shutdown_requested = reason;
1704 qemu_notify_event();
1705 }
1706
1707 static void qemu_system_powerdown(void)
1708 {
1709 qapi_event_send_powerdown();
1710 notifier_list_notify(&powerdown_notifiers, NULL);
1711 }
1712
1713 static void qemu_system_shutdown(ShutdownCause cause)
1714 {
1715 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1716 notifier_list_notify(&shutdown_notifiers, &cause);
1717 }
1718
1719 void qemu_system_powerdown_request(void)
1720 {
1721 trace_qemu_system_powerdown_request();
1722 powerdown_requested = 1;
1723 qemu_notify_event();
1724 }
1725
1726 void qemu_register_powerdown_notifier(Notifier *notifier)
1727 {
1728 notifier_list_add(&powerdown_notifiers, notifier);
1729 }
1730
1731 void qemu_register_shutdown_notifier(Notifier *notifier)
1732 {
1733 notifier_list_add(&shutdown_notifiers, notifier);
1734 }
1735
1736 void qemu_system_debug_request(void)
1737 {
1738 debug_requested = 1;
1739 qemu_notify_event();
1740 }
1741
1742 static bool main_loop_should_exit(void)
1743 {
1744 RunState r;
1745 ShutdownCause request;
1746
1747 if (runstate_check(RUN_STATE_FINISH_MIGRATE)) {
1748 return false;
1749 }
1750 if (preconfig_exit_requested) {
1751 if (runstate_check(RUN_STATE_PRECONFIG)) {
1752 runstate_set(RUN_STATE_PRELAUNCH);
1753 }
1754 preconfig_exit_requested = false;
1755 return true;
1756 }
1757 if (qemu_debug_requested()) {
1758 vm_stop(RUN_STATE_DEBUG);
1759 }
1760 if (qemu_suspend_requested()) {
1761 qemu_system_suspend();
1762 }
1763 request = qemu_shutdown_requested();
1764 if (request) {
1765 qemu_kill_report();
1766 qemu_system_shutdown(request);
1767 if (no_shutdown) {
1768 vm_stop(RUN_STATE_SHUTDOWN);
1769 } else {
1770 return true;
1771 }
1772 }
1773 request = qemu_reset_requested();
1774 if (request) {
1775 pause_all_vcpus();
1776 qemu_system_reset(request);
1777 resume_all_vcpus();
1778 if (!runstate_check(RUN_STATE_RUNNING) &&
1779 !runstate_check(RUN_STATE_INMIGRATE)) {
1780 runstate_set(RUN_STATE_PRELAUNCH);
1781 }
1782 }
1783 if (qemu_wakeup_requested()) {
1784 pause_all_vcpus();
1785 qemu_system_wakeup();
1786 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1787 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1788 resume_all_vcpus();
1789 qapi_event_send_wakeup();
1790 }
1791 if (qemu_powerdown_requested()) {
1792 qemu_system_powerdown();
1793 }
1794 if (qemu_vmstop_requested(&r)) {
1795 vm_stop(r);
1796 }
1797 return false;
1798 }
1799
1800 static void main_loop(void)
1801 {
1802 #ifdef CONFIG_PROFILER
1803 int64_t ti;
1804 #endif
1805 while (!main_loop_should_exit()) {
1806 #ifdef CONFIG_PROFILER
1807 ti = profile_getclock();
1808 #endif
1809 main_loop_wait(false);
1810 #ifdef CONFIG_PROFILER
1811 dev_time += profile_getclock() - ti;
1812 #endif
1813 }
1814 }
1815
1816 static void version(void)
1817 {
1818 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1819 QEMU_COPYRIGHT "\n");
1820 }
1821
1822 static void help(int exitcode)
1823 {
1824 version();
1825 printf("usage: %s [options] [disk_image]\n\n"
1826 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1827 error_get_progname());
1828
1829 #define QEMU_OPTIONS_GENERATE_HELP
1830 #include "qemu-options-wrapper.h"
1831
1832 printf("\nDuring emulation, the following keys are useful:\n"
1833 "ctrl-alt-f toggle full screen\n"
1834 "ctrl-alt-n switch to virtual console 'n'\n"
1835 "ctrl-alt toggle mouse and keyboard grab\n"
1836 "\n"
1837 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1838 "\n"
1839 QEMU_HELP_BOTTOM "\n");
1840
1841 exit(exitcode);
1842 }
1843
1844 #define HAS_ARG 0x0001
1845
1846 typedef struct QEMUOption {
1847 const char *name;
1848 int flags;
1849 int index;
1850 uint32_t arch_mask;
1851 } QEMUOption;
1852
1853 static const QEMUOption qemu_options[] = {
1854 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1855 #define QEMU_OPTIONS_GENERATE_OPTIONS
1856 #include "qemu-options-wrapper.h"
1857 { NULL },
1858 };
1859
1860 typedef struct VGAInterfaceInfo {
1861 const char *opt_name; /* option name */
1862 const char *name; /* human-readable name */
1863 /* Class names indicating that support is available.
1864 * If no class is specified, the interface is always available */
1865 const char *class_names[2];
1866 } VGAInterfaceInfo;
1867
1868 static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1869 [VGA_NONE] = {
1870 .opt_name = "none",
1871 .name = "no graphic card",
1872 },
1873 [VGA_STD] = {
1874 .opt_name = "std",
1875 .name = "standard VGA",
1876 .class_names = { "VGA", "isa-vga" },
1877 },
1878 [VGA_CIRRUS] = {
1879 .opt_name = "cirrus",
1880 .name = "Cirrus VGA",
1881 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1882 },
1883 [VGA_VMWARE] = {
1884 .opt_name = "vmware",
1885 .name = "VMWare SVGA",
1886 .class_names = { "vmware-svga" },
1887 },
1888 [VGA_VIRTIO] = {
1889 .opt_name = "virtio",
1890 .name = "Virtio VGA",
1891 .class_names = { "virtio-vga" },
1892 },
1893 [VGA_QXL] = {
1894 .opt_name = "qxl",
1895 .name = "QXL VGA",
1896 .class_names = { "qxl-vga" },
1897 },
1898 [VGA_TCX] = {
1899 .opt_name = "tcx",
1900 .name = "TCX framebuffer",
1901 .class_names = { "SUNW,tcx" },
1902 },
1903 [VGA_CG3] = {
1904 .opt_name = "cg3",
1905 .name = "CG3 framebuffer",
1906 .class_names = { "cgthree" },
1907 },
1908 [VGA_XENFB] = {
1909 .opt_name = "xenfb",
1910 .name = "Xen paravirtualized framebuffer",
1911 },
1912 };
1913
1914 static bool vga_interface_available(VGAInterfaceType t)
1915 {
1916 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1917
1918 assert(t < VGA_TYPE_MAX);
1919 return !ti->class_names[0] ||
1920 object_class_by_name(ti->class_names[0]) ||
1921 object_class_by_name(ti->class_names[1]);
1922 }
1923
1924 static const char *
1925 get_default_vga_model(const MachineClass *machine_class)
1926 {
1927 if (machine_class->default_display) {
1928 return machine_class->default_display;
1929 } else if (vga_interface_available(VGA_CIRRUS)) {
1930 return "cirrus";
1931 } else if (vga_interface_available(VGA_STD)) {
1932 return "std";
1933 }
1934
1935 return NULL;
1936 }
1937
1938 static void select_vgahw(const MachineClass *machine_class, const char *p)
1939 {
1940 const char *opts;
1941 int t;
1942
1943 if (g_str_equal(p, "help")) {
1944 const char *def = get_default_vga_model(machine_class);
1945
1946 for (t = 0; t < VGA_TYPE_MAX; t++) {
1947 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1948
1949 if (vga_interface_available(t) && ti->opt_name) {
1950 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
1951 g_str_equal(ti->opt_name, def) ? " (default)" : "");
1952 }
1953 }
1954 exit(0);
1955 }
1956
1957 assert(vga_interface_type == VGA_NONE);
1958 for (t = 0; t < VGA_TYPE_MAX; t++) {
1959 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1960 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1961 if (!vga_interface_available(t)) {
1962 error_report("%s not available", ti->name);
1963 exit(1);
1964 }
1965 vga_interface_type = t;
1966 break;
1967 }
1968 }
1969 if (t == VGA_TYPE_MAX) {
1970 invalid_vga:
1971 error_report("unknown vga type: %s", p);
1972 exit(1);
1973 }
1974 while (*opts) {
1975 const char *nextopt;
1976
1977 if (strstart(opts, ",retrace=", &nextopt)) {
1978 opts = nextopt;
1979 if (strstart(opts, "dumb", &nextopt))
1980 vga_retrace_method = VGA_RETRACE_DUMB;
1981 else if (strstart(opts, "precise", &nextopt))
1982 vga_retrace_method = VGA_RETRACE_PRECISE;
1983 else goto invalid_vga;
1984 } else goto invalid_vga;
1985 opts = nextopt;
1986 }
1987 }
1988
1989 static void parse_display_qapi(const char *optarg)
1990 {
1991 DisplayOptions *opts;
1992 Visitor *v;
1993
1994 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
1995
1996 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
1997 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
1998
1999 qapi_free_DisplayOptions(opts);
2000 visit_free(v);
2001 }
2002
2003 DisplayOptions *qmp_query_display_options(Error **errp)
2004 {
2005 return QAPI_CLONE(DisplayOptions, &dpy);
2006 }
2007
2008 static void parse_display(const char *p)
2009 {
2010 const char *opts;
2011
2012 if (strstart(p, "sdl", &opts)) {
2013 /*
2014 * sdl DisplayType needs hand-crafted parser instead of
2015 * parse_display_qapi() due to some options not in
2016 * DisplayOptions, specifically:
2017 * - frame
2018 * Already deprecated.
2019 * - ctrl_grab + alt_grab
2020 * Not clear yet what happens to them long-term. Should
2021 * replaced by something better or deprecated and dropped.
2022 */
2023 dpy.type = DISPLAY_TYPE_SDL;
2024 while (*opts) {
2025 const char *nextopt;
2026
2027 if (strstart(opts, ",alt_grab=", &nextopt)) {
2028 opts = nextopt;
2029 if (strstart(opts, "on", &nextopt)) {
2030 alt_grab = 1;
2031 } else if (strstart(opts, "off", &nextopt)) {
2032 alt_grab = 0;
2033 } else {
2034 goto invalid_sdl_args;
2035 }
2036 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2037 opts = nextopt;
2038 if (strstart(opts, "on", &nextopt)) {
2039 ctrl_grab = 1;
2040 } else if (strstart(opts, "off", &nextopt)) {
2041 ctrl_grab = 0;
2042 } else {
2043 goto invalid_sdl_args;
2044 }
2045 } else if (strstart(opts, ",window_close=", &nextopt)) {
2046 opts = nextopt;
2047 dpy.has_window_close = true;
2048 if (strstart(opts, "on", &nextopt)) {
2049 dpy.window_close = true;
2050 } else if (strstart(opts, "off", &nextopt)) {
2051 dpy.window_close = false;
2052 } else {
2053 goto invalid_sdl_args;
2054 }
2055 } else if (strstart(opts, ",gl=", &nextopt)) {
2056 opts = nextopt;
2057 dpy.has_gl = true;
2058 if (strstart(opts, "on", &nextopt)) {
2059 dpy.gl = DISPLAYGL_MODE_ON;
2060 } else if (strstart(opts, "core", &nextopt)) {
2061 dpy.gl = DISPLAYGL_MODE_CORE;
2062 } else if (strstart(opts, "es", &nextopt)) {
2063 dpy.gl = DISPLAYGL_MODE_ES;
2064 } else if (strstart(opts, "off", &nextopt)) {
2065 dpy.gl = DISPLAYGL_MODE_OFF;
2066 } else {
2067 goto invalid_sdl_args;
2068 }
2069 } else {
2070 invalid_sdl_args:
2071 error_report("invalid SDL option string");
2072 exit(1);
2073 }
2074 opts = nextopt;
2075 }
2076 } else if (strstart(p, "vnc", &opts)) {
2077 /*
2078 * vnc isn't a (local) DisplayType but a protocol for remote
2079 * display access.
2080 */
2081 if (*opts == '=') {
2082 vnc_parse(opts + 1, &error_fatal);
2083 } else {
2084 error_report("VNC requires a display argument vnc=<display>");
2085 exit(1);
2086 }
2087 } else {
2088 parse_display_qapi(p);
2089 }
2090 }
2091
2092 char *qemu_find_file(int type, const char *name)
2093 {
2094 int i;
2095 const char *subdir;
2096 char *buf;
2097
2098 /* Try the name as a straight path first */
2099 if (access(name, R_OK) == 0) {
2100 trace_load_file(name, name);
2101 return g_strdup(name);
2102 }
2103
2104 switch (type) {
2105 case QEMU_FILE_TYPE_BIOS:
2106 subdir = "";
2107 break;
2108 case QEMU_FILE_TYPE_KEYMAP:
2109 subdir = "keymaps/";
2110 break;
2111 default:
2112 abort();
2113 }
2114
2115 for (i = 0; i < data_dir_idx; i++) {
2116 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2117 if (access(buf, R_OK) == 0) {
2118 trace_load_file(name, buf);
2119 return buf;
2120 }
2121 g_free(buf);
2122 }
2123 return NULL;
2124 }
2125
2126 static void qemu_add_data_dir(const char *path)
2127 {
2128 int i;
2129
2130 if (path == NULL) {
2131 return;
2132 }
2133 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2134 return;
2135 }
2136 for (i = 0; i < data_dir_idx; i++) {
2137 if (strcmp(data_dir[i], path) == 0) {
2138 return; /* duplicate */
2139 }
2140 }
2141 data_dir[data_dir_idx++] = g_strdup(path);
2142 }
2143
2144 static inline bool nonempty_str(const char *str)
2145 {
2146 return str && *str;
2147 }
2148
2149 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2150 {
2151 gchar *buf;
2152 size_t size;
2153 const char *name, *file, *str;
2154 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2155
2156 if (fw_cfg == NULL) {
2157 error_setg(errp, "fw_cfg device not available");
2158 return -1;
2159 }
2160 name = qemu_opt_get(opts, "name");
2161 file = qemu_opt_get(opts, "file");
2162 str = qemu_opt_get(opts, "string");
2163
2164 /* we need name and either a file or the content string */
2165 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2166 error_setg(errp, "invalid argument(s)");
2167 return -1;
2168 }
2169 if (nonempty_str(file) && nonempty_str(str)) {
2170 error_setg(errp, "file and string are mutually exclusive");
2171 return -1;
2172 }
2173 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2174 error_setg(errp, "name too long (max. %d char)",
2175 FW_CFG_MAX_FILE_PATH - 1);
2176 return -1;
2177 }
2178 if (strncmp(name, "opt/", 4) != 0) {
2179 warn_report("externally provided fw_cfg item names "
2180 "should be prefixed with \"opt/\"");
2181 }
2182 if (nonempty_str(str)) {
2183 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2184 buf = g_memdup(str, size);
2185 } else {
2186 GError *err = NULL;
2187 if (!g_file_get_contents(file, &buf, &size, &err)) {
2188 error_setg(errp, "can't load %s: %s", file, err->message);
2189 g_error_free(err);
2190 return -1;
2191 }
2192 }
2193 /* For legacy, keep user files in a specific global order. */
2194 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2195 fw_cfg_add_file(fw_cfg, name, buf, size);
2196 fw_cfg_reset_order_override(fw_cfg);
2197 return 0;
2198 }
2199
2200 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2201 {
2202 return qdev_device_help(opts);
2203 }
2204
2205 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2206 {
2207 DeviceState *dev;
2208
2209 dev = qdev_device_add(opts, errp);
2210 if (!dev) {
2211 return -1;
2212 }
2213 object_unref(OBJECT(dev));
2214 return 0;
2215 }
2216
2217 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2218 {
2219 Error *local_err = NULL;
2220
2221 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2222 if (local_err) {
2223 error_propagate(errp, local_err);
2224 return -1;
2225 }
2226 exit(0);
2227 }
2228 return 0;
2229 }
2230
2231 #ifdef CONFIG_VIRTFS
2232 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2233 {
2234 return qemu_fsdev_add(opts, errp);
2235 }
2236 #endif
2237
2238 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2239 {
2240 Chardev *chr;
2241 bool qmp;
2242 bool pretty = false;
2243 const char *chardev;
2244 const char *mode;
2245
2246 mode = qemu_opt_get(opts, "mode");
2247 if (mode == NULL) {
2248 mode = "readline";
2249 }
2250 if (strcmp(mode, "readline") == 0) {
2251 qmp = false;
2252 } else if (strcmp(mode, "control") == 0) {
2253 qmp = true;
2254 } else {
2255 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2256 return -1;
2257 }
2258
2259 if (!qmp && qemu_opt_get(opts, "pretty")) {
2260 warn_report("'pretty' is deprecated for HMP monitors, it has no effect "
2261 "and will be removed in future versions");
2262 }
2263 if (qemu_opt_get_bool(opts, "pretty", 0)) {
2264 pretty = true;
2265 }
2266
2267 chardev = qemu_opt_get(opts, "chardev");
2268 if (!chardev) {
2269 error_report("chardev is required");
2270 exit(1);
2271 }
2272 chr = qemu_chr_find(chardev);
2273 if (chr == NULL) {
2274 error_setg(errp, "chardev \"%s\" not found", chardev);
2275 return -1;
2276 }
2277
2278 if (qmp) {
2279 monitor_init_qmp(chr, pretty);
2280 } else {
2281 monitor_init_hmp(chr, true);
2282 }
2283 return 0;
2284 }
2285
2286 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2287 {
2288 static int monitor_device_index = 0;
2289 QemuOpts *opts;
2290 const char *p;
2291 char label[32];
2292
2293 if (strstart(optarg, "chardev:", &p)) {
2294 snprintf(label, sizeof(label), "%s", p);
2295 } else {
2296 snprintf(label, sizeof(label), "compat_monitor%d",
2297 monitor_device_index);
2298 opts = qemu_chr_parse_compat(label, optarg, true);
2299 if (!opts) {
2300 error_report("parse error: %s", optarg);
2301 exit(1);
2302 }
2303 }
2304
2305 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2306 qemu_opt_set(opts, "mode", mode, &error_abort);
2307 qemu_opt_set(opts, "chardev", label, &error_abort);
2308 if (!strcmp(mode, "control")) {
2309 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2310 } else {
2311 assert(pretty == false);
2312 }
2313 monitor_device_index++;
2314 }
2315
2316 struct device_config {
2317 enum {
2318 DEV_USB, /* -usbdevice */
2319 DEV_BT, /* -bt */
2320 DEV_SERIAL, /* -serial */
2321 DEV_PARALLEL, /* -parallel */
2322 DEV_DEBUGCON, /* -debugcon */
2323 DEV_GDB, /* -gdb, -s */
2324 DEV_SCLP, /* s390 sclp */
2325 } type;
2326 const char *cmdline;
2327 Location loc;
2328 QTAILQ_ENTRY(device_config) next;
2329 };
2330
2331 static QTAILQ_HEAD(, device_config) device_configs =
2332 QTAILQ_HEAD_INITIALIZER(device_configs);
2333
2334 static void add_device_config(int type, const char *cmdline)
2335 {
2336 struct device_config *conf;
2337
2338 conf = g_malloc0(sizeof(*conf));
2339 conf->type = type;
2340 conf->cmdline = cmdline;
2341 loc_save(&conf->loc);
2342 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2343 }
2344
2345 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2346 {
2347 struct device_config *conf;
2348 int rc;
2349
2350 QTAILQ_FOREACH(conf, &device_configs, next) {
2351 if (conf->type != type)
2352 continue;
2353 loc_push_restore(&conf->loc);
2354 rc = func(conf->cmdline);
2355 loc_pop(&conf->loc);
2356 if (rc) {
2357 return rc;
2358 }
2359 }
2360 return 0;
2361 }
2362
2363 static int serial_parse(const char *devname)
2364 {
2365 int index = num_serial_hds;
2366 char label[32];
2367
2368 if (strcmp(devname, "none") == 0)
2369 return 0;
2370 snprintf(label, sizeof(label), "serial%d", index);
2371 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2372
2373 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2374 if (!serial_hds[index]) {
2375 error_report("could not connect serial device"
2376 " to character backend '%s'", devname);
2377 return -1;
2378 }
2379 num_serial_hds++;
2380 return 0;
2381 }
2382
2383 Chardev *serial_hd(int i)
2384 {
2385 assert(i >= 0);
2386 if (i < num_serial_hds) {
2387 return serial_hds[i];
2388 }
2389 return NULL;
2390 }
2391
2392 int serial_max_hds(void)
2393 {
2394 return num_serial_hds;
2395 }
2396
2397 static int parallel_parse(const char *devname)
2398 {
2399 static int index = 0;
2400 char label[32];
2401
2402 if (strcmp(devname, "none") == 0)
2403 return 0;
2404 if (index == MAX_PARALLEL_PORTS) {
2405 error_report("too many parallel ports");
2406 exit(1);
2407 }
2408 snprintf(label, sizeof(label), "parallel%d", index);
2409 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2410 if (!parallel_hds[index]) {
2411 error_report("could not connect parallel device"
2412 " to character backend '%s'", devname);
2413 return -1;
2414 }
2415 index++;
2416 return 0;
2417 }
2418
2419 static int debugcon_parse(const char *devname)
2420 {
2421 QemuOpts *opts;
2422
2423 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
2424 error_report("invalid character backend '%s'", devname);
2425 exit(1);
2426 }
2427 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2428 if (!opts) {
2429 error_report("already have a debugcon device");
2430 exit(1);
2431 }
2432 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2433 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2434 return 0;
2435 }
2436
2437 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2438 {
2439 const MachineClass *mc1 = a, *mc2 = b;
2440 int res;
2441
2442 if (mc1->family == NULL) {
2443 if (mc2->family == NULL) {
2444 /* Compare standalone machine types against each other; they sort
2445 * in increasing order.
2446 */
2447 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2448 object_class_get_name(OBJECT_CLASS(mc2)));
2449 }
2450
2451 /* Standalone machine types sort after families. */
2452 return 1;
2453 }
2454
2455 if (mc2->family == NULL) {
2456 /* Families sort before standalone machine types. */
2457 return -1;
2458 }
2459
2460 /* Families sort between each other alphabetically increasingly. */
2461 res = strcmp(mc1->family, mc2->family);
2462 if (res != 0) {
2463 return res;
2464 }
2465
2466 /* Within the same family, machine types sort in decreasing order. */
2467 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2468 object_class_get_name(OBJECT_CLASS(mc1)));
2469 }
2470
2471 static MachineClass *machine_parse(const char *name, GSList *machines)
2472 {
2473 MachineClass *mc;
2474 GSList *el;
2475
2476 if (is_help_option(name)) {
2477 printf("Supported machines are:\n");
2478 machines = g_slist_sort(machines, machine_class_cmp);
2479 for (el = machines; el; el = el->next) {
2480 MachineClass *mc = el->data;
2481 if (mc->alias) {
2482 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2483 }
2484 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2485 mc->is_default ? " (default)" : "",
2486 mc->deprecation_reason ? " (deprecated)" : "");
2487 }
2488 exit(0);
2489 }
2490
2491 mc = find_machine(name, machines);
2492 if (!mc) {
2493 error_report("unsupported machine type");
2494 error_printf("Use -machine help to list supported machines\n");
2495 exit(1);
2496 }
2497 return mc;
2498 }
2499
2500 void qemu_add_exit_notifier(Notifier *notify)
2501 {
2502 notifier_list_add(&exit_notifiers, notify);
2503 }
2504
2505 void qemu_remove_exit_notifier(Notifier *notify)
2506 {
2507 notifier_remove(notify);
2508 }
2509
2510 static void qemu_run_exit_notifiers(void)
2511 {
2512 notifier_list_notify(&exit_notifiers, NULL);
2513 }
2514
2515 static const char *pid_file;
2516 static Notifier qemu_unlink_pidfile_notifier;
2517
2518 static void qemu_unlink_pidfile(Notifier *n, void *data)
2519 {
2520 if (pid_file) {
2521 unlink(pid_file);
2522 }
2523 }
2524
2525 bool machine_init_done;
2526
2527 void qemu_add_machine_init_done_notifier(Notifier *notify)
2528 {
2529 notifier_list_add(&machine_init_done_notifiers, notify);
2530 if (machine_init_done) {
2531 notify->notify(notify, NULL);
2532 }
2533 }
2534
2535 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2536 {
2537 notifier_remove(notify);
2538 }
2539
2540 static void qemu_run_machine_init_done_notifiers(void)
2541 {
2542 machine_init_done = true;
2543 notifier_list_notify(&machine_init_done_notifiers, NULL);
2544 }
2545
2546 static const QEMUOption *lookup_opt(int argc, char **argv,
2547 const char **poptarg, int *poptind)
2548 {
2549 const QEMUOption *popt;
2550 int optind = *poptind;
2551 char *r = argv[optind];
2552 const char *optarg;
2553
2554 loc_set_cmdline(argv, optind, 1);
2555 optind++;
2556 /* Treat --foo the same as -foo. */
2557 if (r[1] == '-')
2558 r++;
2559 popt = qemu_options;
2560 for(;;) {
2561 if (!popt->name) {
2562 error_report("invalid option");
2563 exit(1);
2564 }
2565 if (!strcmp(popt->name, r + 1))
2566 break;
2567 popt++;
2568 }
2569 if (popt->flags & HAS_ARG) {
2570 if (optind >= argc) {
2571 error_report("requires an argument");
2572 exit(1);
2573 }
2574 optarg = argv[optind++];
2575 loc_set_cmdline(argv, optind - 2, 2);
2576 } else {
2577 optarg = NULL;
2578 }
2579
2580 *poptarg = optarg;
2581 *poptind = optind;
2582
2583 return popt;
2584 }
2585
2586 static MachineClass *select_machine(void)
2587 {
2588 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
2589 MachineClass *machine_class = find_default_machine(machines);
2590 const char *optarg;
2591 QemuOpts *opts;
2592 Location loc;
2593
2594 loc_push_none(&loc);
2595
2596 opts = qemu_get_machine_opts();
2597 qemu_opts_loc_restore(opts);
2598
2599 optarg = qemu_opt_get(opts, "type");
2600 if (optarg) {
2601 machine_class = machine_parse(optarg, machines);
2602 }
2603
2604 if (!machine_class) {
2605 error_report("No machine specified, and there is no default");
2606 error_printf("Use -machine help to list supported machines\n");
2607 exit(1);
2608 }
2609
2610 loc_pop(&loc);
2611 g_slist_free(machines);
2612 return machine_class;
2613 }
2614
2615 static int machine_set_property(void *opaque,
2616 const char *name, const char *value,
2617 Error **errp)
2618 {
2619 Object *obj = OBJECT(opaque);
2620 Error *local_err = NULL;
2621 char *p, *qom_name;
2622
2623 if (strcmp(name, "type") == 0) {
2624 return 0;
2625 }
2626
2627 qom_name = g_strdup(name);
2628 for (p = qom_name; *p; p++) {
2629 if (*p == '_') {
2630 *p = '-';
2631 }
2632 }
2633
2634 object_property_parse(obj, value, qom_name, &local_err);
2635 g_free(qom_name);
2636
2637 if (local_err) {
2638 error_propagate(errp, local_err);
2639 return -1;
2640 }
2641
2642 return 0;
2643 }
2644
2645
2646 /*
2647 * Initial object creation happens before all other
2648 * QEMU data types are created. The majority of objects
2649 * can be created at this point. The rng-egd object
2650 * cannot be created here, as it depends on the chardev
2651 * already existing.
2652 */
2653 static bool object_create_initial(const char *type, QemuOpts *opts)
2654 {
2655 if (user_creatable_print_help(type, opts)) {
2656 exit(0);
2657 }
2658
2659 /*
2660 * Objects should not be made "delayed" without a reason. If you
2661 * add one, state the reason in a comment!
2662 */
2663
2664 /* Reason: rng-egd property "chardev" */
2665 if (g_str_equal(type, "rng-egd")) {
2666 return false;
2667 }
2668
2669 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2670 /* Reason: cryptodev-vhost-user property "chardev" */
2671 if (g_str_equal(type, "cryptodev-vhost-user")) {
2672 return false;
2673 }
2674 #endif
2675
2676 /*
2677 * Reason: filter-* property "netdev" etc.
2678 */
2679 if (g_str_equal(type, "filter-buffer") ||
2680 g_str_equal(type, "filter-dump") ||
2681 g_str_equal(type, "filter-mirror") ||
2682 g_str_equal(type, "filter-redirector") ||
2683 g_str_equal(type, "colo-compare") ||
2684 g_str_equal(type, "filter-rewriter") ||
2685 g_str_equal(type, "filter-replay")) {
2686 return false;
2687 }
2688
2689 /* Memory allocation by backends needs to be done
2690 * after configure_accelerator() (due to the tcg_enabled()
2691 * checks at memory_region_init_*()).
2692 *
2693 * Also, allocation of large amounts of memory may delay
2694 * chardev initialization for too long, and trigger timeouts
2695 * on software that waits for a monitor socket to be created
2696 * (e.g. libvirt).
2697 */
2698 if (g_str_has_prefix(type, "memory-backend-")) {
2699 return false;
2700 }
2701
2702 return true;
2703 }
2704
2705
2706 /*
2707 * The remainder of object creation happens after the
2708 * creation of chardev, fsdev, net clients and device data types.
2709 */
2710 static bool object_create_delayed(const char *type, QemuOpts *opts)
2711 {
2712 return !object_create_initial(type, opts);
2713 }
2714
2715
2716 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2717 MachineClass *mc)
2718 {
2719 uint64_t sz;
2720 const char *mem_str;
2721 const ram_addr_t default_ram_size = mc->default_ram_size;
2722 QemuOpts *opts = qemu_find_opts_singleton("memory");
2723 Location loc;
2724
2725 loc_push_none(&loc);
2726 qemu_opts_loc_restore(opts);
2727
2728 sz = 0;
2729 mem_str = qemu_opt_get(opts, "size");
2730 if (mem_str) {
2731 if (!*mem_str) {
2732 error_report("missing 'size' option value");
2733 exit(EXIT_FAILURE);
2734 }
2735
2736 sz = qemu_opt_get_size(opts, "size", ram_size);
2737
2738 /* Fix up legacy suffix-less format */
2739 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2740 uint64_t overflow_check = sz;
2741
2742 sz *= MiB;
2743 if (sz / MiB != overflow_check) {
2744 error_report("too large 'size' option value");
2745 exit(EXIT_FAILURE);
2746 }
2747 }
2748 }
2749
2750 /* backward compatibility behaviour for case "-m 0" */
2751 if (sz == 0) {
2752 sz = default_ram_size;
2753 }
2754
2755 sz = QEMU_ALIGN_UP(sz, 8192);
2756 ram_size = sz;
2757 if (ram_size != sz) {
2758 error_report("ram size too large");
2759 exit(EXIT_FAILURE);
2760 }
2761
2762 /* store value for the future use */
2763 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2764 *maxram_size = ram_size;
2765
2766 if (qemu_opt_get(opts, "maxmem")) {
2767 uint64_t slots;
2768
2769 sz = qemu_opt_get_size(opts, "maxmem", 0);
2770 slots = qemu_opt_get_number(opts, "slots", 0);
2771 if (sz < ram_size) {
2772 error_report("invalid value of -m option maxmem: "
2773 "maximum memory size (0x%" PRIx64 ") must be at least "
2774 "the initial memory size (0x" RAM_ADDR_FMT ")",
2775 sz, ram_size);
2776 exit(EXIT_FAILURE);
2777 } else if (slots && sz == ram_size) {
2778 error_report("invalid value of -m option maxmem: "
2779 "memory slots were specified but maximum memory size "
2780 "(0x%" PRIx64 ") is equal to the initial memory size "
2781 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2782 exit(EXIT_FAILURE);
2783 }
2784
2785 *maxram_size = sz;
2786 *ram_slots = slots;
2787 } else if (qemu_opt_get(opts, "slots")) {
2788 error_report("invalid -m option value: missing 'maxmem' option");
2789 exit(EXIT_FAILURE);
2790 }
2791
2792 loc_pop(&loc);
2793 }
2794
2795 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2796 {
2797 GlobalProperty *g;
2798
2799 g = g_malloc0(sizeof(*g));
2800 g->driver = qemu_opt_get(opts, "driver");
2801 g->property = qemu_opt_get(opts, "property");
2802 g->value = qemu_opt_get(opts, "value");
2803 qdev_prop_register_global(g);
2804 return 0;
2805 }
2806
2807 static int qemu_read_default_config_file(void)
2808 {
2809 int ret;
2810
2811 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2812 if (ret < 0 && ret != -ENOENT) {
2813 return ret;
2814 }
2815
2816 return 0;
2817 }
2818
2819 static void user_register_global_props(void)
2820 {
2821 qemu_opts_foreach(qemu_find_opts("global"),
2822 global_init_func, NULL, NULL);
2823 }
2824
2825 int main(int argc, char **argv, char **envp)
2826 {
2827 int i;
2828 int snapshot, linux_boot;
2829 const char *initrd_filename;
2830 const char *kernel_filename, *kernel_cmdline;
2831 const char *boot_order = NULL;
2832 const char *boot_once = NULL;
2833 DisplayState *ds;
2834 QemuOpts *opts, *machine_opts;
2835 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2836 QemuOptsList *olist;
2837 int optind;
2838 const char *optarg;
2839 const char *loadvm = NULL;
2840 MachineClass *machine_class;
2841 const char *cpu_option;
2842 const char *vga_model = NULL;
2843 const char *qtest_chrdev = NULL;
2844 const char *qtest_log = NULL;
2845 const char *incoming = NULL;
2846 bool userconfig = true;
2847 bool nographic = false;
2848 int display_remote = 0;
2849 const char *log_mask = NULL;
2850 const char *log_file = NULL;
2851 char *trace_file = NULL;
2852 ram_addr_t maxram_size;
2853 uint64_t ram_slots = 0;
2854 FILE *vmstate_dump_file = NULL;
2855 Error *main_loop_err = NULL;
2856 Error *err = NULL;
2857 bool list_data_dirs = false;
2858 char *dir, **dirs;
2859 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2860
2861 os_set_line_buffering();
2862
2863 error_init(argv[0]);
2864 module_call_init(MODULE_INIT_TRACE);
2865
2866 qemu_init_cpu_list();
2867 qemu_init_cpu_loop();
2868
2869 qemu_mutex_lock_iothread();
2870
2871 atexit(qemu_run_exit_notifiers);
2872 qemu_init_exec_dir(argv[0]);
2873
2874 module_call_init(MODULE_INIT_QOM);
2875
2876 qemu_add_opts(&qemu_drive_opts);
2877 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2878 qemu_add_drive_opts(&qemu_common_drive_opts);
2879 qemu_add_drive_opts(&qemu_drive_opts);
2880 qemu_add_drive_opts(&bdrv_runtime_opts);
2881 qemu_add_opts(&qemu_chardev_opts);
2882 qemu_add_opts(&qemu_device_opts);
2883 qemu_add_opts(&qemu_netdev_opts);
2884 qemu_add_opts(&qemu_nic_opts);
2885 qemu_add_opts(&qemu_net_opts);
2886 qemu_add_opts(&qemu_rtc_opts);
2887 qemu_add_opts(&qemu_global_opts);
2888 qemu_add_opts(&qemu_mon_opts);
2889 qemu_add_opts(&qemu_trace_opts);
2890 qemu_add_opts(&qemu_option_rom_opts);
2891 qemu_add_opts(&qemu_machine_opts);
2892 qemu_add_opts(&qemu_accel_opts);
2893 qemu_add_opts(&qemu_mem_opts);
2894 qemu_add_opts(&qemu_smp_opts);
2895 qemu_add_opts(&qemu_boot_opts);
2896 qemu_add_opts(&qemu_add_fd_opts);
2897 qemu_add_opts(&qemu_object_opts);
2898 qemu_add_opts(&qemu_tpmdev_opts);
2899 qemu_add_opts(&qemu_realtime_opts);
2900 qemu_add_opts(&qemu_overcommit_opts);
2901 qemu_add_opts(&qemu_msg_opts);
2902 qemu_add_opts(&qemu_name_opts);
2903 qemu_add_opts(&qemu_numa_opts);
2904 qemu_add_opts(&qemu_icount_opts);
2905 qemu_add_opts(&qemu_semihosting_config_opts);
2906 qemu_add_opts(&qemu_fw_cfg_opts);
2907 module_call_init(MODULE_INIT_OPTS);
2908
2909 runstate_init();
2910 precopy_infrastructure_init();
2911 postcopy_infrastructure_init();
2912 monitor_init_globals();
2913
2914 if (qcrypto_init(&err) < 0) {
2915 error_reportf_err(err, "cannot initialize crypto: ");
2916 exit(1);
2917 }
2918
2919 QTAILQ_INIT(&vm_change_state_head);
2920 os_setup_early_signal_handling();
2921
2922 cpu_option = NULL;
2923 snapshot = 0;
2924
2925 nb_nics = 0;
2926
2927 bdrv_init_with_whitelist();
2928
2929 autostart = 1;
2930
2931 /* first pass of option parsing */
2932 optind = 1;
2933 while (optind < argc) {
2934 if (argv[optind][0] != '-') {
2935 /* disk image */
2936 optind++;
2937 } else {
2938 const QEMUOption *popt;
2939
2940 popt = lookup_opt(argc, argv, &optarg, &optind);
2941 switch (popt->index) {
2942 case QEMU_OPTION_nouserconfig:
2943 userconfig = false;
2944 break;
2945 }
2946 }
2947 }
2948
2949 if (userconfig) {
2950 if (qemu_read_default_config_file() < 0) {
2951 exit(1);
2952 }
2953 }
2954
2955 /* second pass of option parsing */
2956 optind = 1;
2957 for(;;) {
2958 if (optind >= argc)
2959 break;
2960 if (argv[optind][0] != '-') {
2961 loc_set_cmdline(argv, optind, 1);
2962 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2963 } else {
2964 const QEMUOption *popt;
2965
2966 popt = lookup_opt(argc, argv, &optarg, &optind);
2967 if (!(popt->arch_mask & arch_type)) {
2968 error_report("Option not supported for this target");
2969 exit(1);
2970 }
2971 switch(popt->index) {
2972 case QEMU_OPTION_cpu:
2973 /* hw initialization will check this */
2974 cpu_option = optarg;
2975 break;
2976 case QEMU_OPTION_hda:
2977 case QEMU_OPTION_hdb:
2978 case QEMU_OPTION_hdc:
2979 case QEMU_OPTION_hdd:
2980 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2981 HD_OPTS);
2982 break;
2983 case QEMU_OPTION_blockdev:
2984 {
2985 Visitor *v;
2986 BlockdevOptionsQueueEntry *bdo;
2987
2988 v = qobject_input_visitor_new_str(optarg, "driver",
2989 &error_fatal);
2990
2991 bdo = g_new(BlockdevOptionsQueueEntry, 1);
2992 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
2993 &error_fatal);
2994 visit_free(v);
2995 loc_save(&bdo->loc);
2996 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
2997 break;
2998 }
2999 case QEMU_OPTION_drive:
3000 if (drive_def(optarg) == NULL) {
3001 exit(1);
3002 }
3003 break;
3004 case QEMU_OPTION_set:
3005 if (qemu_set_option(optarg) != 0)
3006 exit(1);
3007 break;
3008 case QEMU_OPTION_global:
3009 if (qemu_global_option(optarg) != 0)
3010 exit(1);
3011 break;
3012 case QEMU_OPTION_mtdblock:
3013 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3014 break;
3015 case QEMU_OPTION_sd:
3016 drive_add(IF_SD, -1, optarg, SD_OPTS);
3017 break;
3018 case QEMU_OPTION_pflash:
3019 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3020 break;
3021 case QEMU_OPTION_snapshot:
3022 {
3023 Error *blocker = NULL;
3024 snapshot = 1;
3025 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
3026 "-snapshot");
3027 replay_add_blocker(blocker);
3028 }
3029 break;
3030 case QEMU_OPTION_numa:
3031 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3032 optarg, true);
3033 if (!opts) {
3034 exit(1);
3035 }
3036 break;
3037 case QEMU_OPTION_display:
3038 parse_display(optarg);
3039 break;
3040 case QEMU_OPTION_nographic:
3041 olist = qemu_find_opts("machine");
3042 qemu_opts_parse_noisily(olist, "graphics=off", false);
3043 nographic = true;
3044 dpy.type = DISPLAY_TYPE_NONE;
3045 break;
3046 case QEMU_OPTION_curses:
3047 #ifdef CONFIG_CURSES
3048 dpy.type = DISPLAY_TYPE_CURSES;
3049 #else
3050 error_report("curses or iconv support is disabled");
3051 exit(1);
3052 #endif
3053 break;
3054 case QEMU_OPTION_portrait:
3055 graphic_rotate = 90;
3056 break;
3057 case QEMU_OPTION_rotate:
3058 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3059 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3060 graphic_rotate != 180 && graphic_rotate != 270) {
3061 error_report("only 90, 180, 270 deg rotation is available");
3062 exit(1);
3063 }
3064 break;
3065 case QEMU_OPTION_kernel:
3066 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3067 &error_abort);
3068 break;
3069 case QEMU_OPTION_initrd:
3070 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3071 &error_abort);
3072 break;
3073 case QEMU_OPTION_append:
3074 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3075 &error_abort);
3076 break;
3077 case QEMU_OPTION_dtb:
3078 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3079 &error_abort);
3080 break;
3081 case QEMU_OPTION_cdrom:
3082 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3083 break;
3084 case QEMU_OPTION_boot:
3085 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3086 optarg, true);
3087 if (!opts) {
3088 exit(1);
3089 }
3090 break;
3091 case QEMU_OPTION_fda:
3092 case QEMU_OPTION_fdb:
3093 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3094 optarg, FD_OPTS);
3095 break;
3096 case QEMU_OPTION_no_fd_bootchk:
3097 fd_bootchk = 0;
3098 break;
3099 case QEMU_OPTION_netdev:
3100 default_net = 0;
3101 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3102 exit(1);
3103 }
3104 break;
3105 case QEMU_OPTION_nic:
3106 default_net = 0;
3107 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3108 exit(1);
3109 }
3110 break;
3111 case QEMU_OPTION_net:
3112 default_net = 0;
3113 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3114 exit(1);
3115 }
3116 break;
3117 #ifdef CONFIG_LIBISCSI
3118 case QEMU_OPTION_iscsi:
3119 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3120 optarg, false);
3121 if (!opts) {
3122 exit(1);
3123 }
3124 break;
3125 #endif
3126 case QEMU_OPTION_bt:
3127 warn_report("The bluetooth subsystem is deprecated and will "
3128 "be removed soon. If the bluetooth subsystem is "
3129 "still useful for you, please send a mail to "
3130 "qemu-devel@nongnu.org with your usecase.");
3131 add_device_config(DEV_BT, optarg);
3132 break;
3133 case QEMU_OPTION_audio_help:
3134 audio_legacy_help();
3135 exit (0);
3136 break;
3137 case QEMU_OPTION_audiodev:
3138 audio_parse_option(optarg);
3139 break;
3140 case QEMU_OPTION_soundhw:
3141 select_soundhw (optarg);
3142 break;
3143 case QEMU_OPTION_h:
3144 help(0);
3145 break;
3146 case QEMU_OPTION_version:
3147 version();
3148 exit(0);
3149 break;
3150 case QEMU_OPTION_m:
3151 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3152 optarg, true);
3153 if (!opts) {
3154 exit(EXIT_FAILURE);
3155 }
3156 break;
3157 #ifdef CONFIG_TPM
3158 case QEMU_OPTION_tpmdev:
3159 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3160 exit(1);
3161 }
3162 break;
3163 #endif
3164 case QEMU_OPTION_mempath:
3165 mem_path = optarg;
3166 break;
3167 case QEMU_OPTION_mem_prealloc:
3168 mem_prealloc = 1;
3169 break;
3170 case QEMU_OPTION_d:
3171 log_mask = optarg;
3172 break;
3173 case QEMU_OPTION_D:
3174 log_file = optarg;
3175 break;
3176 case QEMU_OPTION_DFILTER:
3177 qemu_set_dfilter_ranges(optarg, &error_fatal);
3178 break;
3179 case QEMU_OPTION_seed:
3180 qemu_guest_random_seed_main(optarg, &error_fatal);
3181 break;
3182 case QEMU_OPTION_s:
3183 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3184 break;
3185 case QEMU_OPTION_gdb:
3186 add_device_config(DEV_GDB, optarg);
3187 break;
3188 case QEMU_OPTION_L:
3189 if (is_help_option(optarg)) {
3190 list_data_dirs = true;
3191 } else {
3192 qemu_add_data_dir(optarg);
3193 }
3194 break;
3195 case QEMU_OPTION_bios:
3196 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3197 &error_abort);
3198 break;
3199 case QEMU_OPTION_singlestep:
3200 singlestep = 1;
3201 break;
3202 case QEMU_OPTION_S:
3203 autostart = 0;
3204 break;
3205 case QEMU_OPTION_k:
3206 keyboard_layout = optarg;
3207 break;
3208 case QEMU_OPTION_vga:
3209 vga_model = optarg;
3210 default_vga = 0;
3211 break;
3212 case QEMU_OPTION_g:
3213 {
3214 const char *p;
3215 int w, h, depth;
3216 p = optarg;
3217 w = strtol(p, (char **)&p, 10);
3218 if (w <= 0) {
3219 graphic_error:
3220 error_report("invalid resolution or depth");
3221 exit(1);
3222 }
3223 if (*p != 'x')
3224 goto graphic_error;
3225 p++;
3226 h = strtol(p, (char **)&p, 10);
3227 if (h <= 0)
3228 goto graphic_error;
3229 if (*p == 'x') {
3230 p++;
3231 depth = strtol(p, (char **)&p, 10);
3232 if (depth != 8 && depth != 15 && depth != 16 &&
3233 depth != 24 && depth != 32)
3234 goto graphic_error;
3235 } else if (*p == '\0') {
3236 depth = graphic_depth;
3237 } else {
3238 goto graphic_error;
3239 }
3240
3241 graphic_width = w;
3242 graphic_height = h;
3243 graphic_depth = depth;
3244 }
3245 break;
3246 case QEMU_OPTION_echr:
3247 {
3248 char *r;
3249 term_escape_char = strtol(optarg, &r, 0);
3250 if (r == optarg)
3251 printf("Bad argument to echr\n");
3252 break;
3253 }
3254 case QEMU_OPTION_monitor:
3255 default_monitor = 0;
3256 if (strncmp(optarg, "none", 4)) {
3257 monitor_parse(optarg, "readline", false);
3258 }
3259 break;
3260 case QEMU_OPTION_qmp:
3261 monitor_parse(optarg, "control", false);
3262 default_monitor = 0;
3263 break;
3264 case QEMU_OPTION_qmp_pretty:
3265 monitor_parse(optarg, "control", true);
3266 default_monitor = 0;
3267 break;
3268 case QEMU_OPTION_mon:
3269 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3270 true);
3271 if (!opts) {
3272 exit(1);
3273 }
3274 default_monitor = 0;
3275 break;
3276 case QEMU_OPTION_chardev:
3277 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3278 optarg, true);
3279 if (!opts) {
3280 exit(1);
3281 }
3282 break;
3283 case QEMU_OPTION_fsdev:
3284 olist = qemu_find_opts("fsdev");
3285 if (!olist) {
3286 error_report("fsdev support is disabled");
3287 exit(1);
3288 }
3289 opts = qemu_opts_parse_noisily(olist, optarg, true);
3290 if (!opts) {
3291 exit(1);
3292 }
3293 break;
3294 case QEMU_OPTION_virtfs: {
3295 QemuOpts *fsdev;
3296 QemuOpts *device;
3297 const char *writeout, *sock_fd, *socket, *path, *security_model,
3298 *multidevs;
3299
3300 olist = qemu_find_opts("virtfs");
3301 if (!olist) {
3302 error_report("virtfs support is disabled");
3303 exit(1);
3304 }
3305 opts = qemu_opts_parse_noisily(olist, optarg, true);
3306 if (!opts) {
3307 exit(1);
3308 }
3309
3310 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3311 qemu_opt_get(opts, "mount_tag") == NULL) {
3312 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3313 exit(1);
3314 }
3315 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3316 qemu_opts_id(opts) ?:
3317 qemu_opt_get(opts, "mount_tag"),
3318 1, NULL);
3319 if (!fsdev) {
3320 error_report("duplicate or invalid fsdev id: %s",
3321 qemu_opt_get(opts, "mount_tag"));
3322 exit(1);
3323 }
3324
3325 writeout = qemu_opt_get(opts, "writeout");
3326 if (writeout) {
3327 #ifdef CONFIG_SYNC_FILE_RANGE
3328 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3329 #else
3330 error_report("writeout=immediate not supported "
3331 "on this platform");
3332 exit(1);
3333 #endif
3334 }
3335 qemu_opt_set(fsdev, "fsdriver",
3336 qemu_opt_get(opts, "fsdriver"), &error_abort);
3337 path = qemu_opt_get(opts, "path");
3338 if (path) {
3339 qemu_opt_set(fsdev, "path", path, &error_abort);
3340 }
3341 security_model = qemu_opt_get(opts, "security_model");
3342 if (security_model) {
3343 qemu_opt_set(fsdev, "security_model", security_model,
3344 &error_abort);
3345 }
3346 socket = qemu_opt_get(opts, "socket");
3347 if (socket) {
3348 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3349 }
3350 sock_fd = qemu_opt_get(opts, "sock_fd");
3351 if (sock_fd) {
3352 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3353 }
3354
3355 qemu_opt_set_bool(fsdev, "readonly",
3356 qemu_opt_get_bool(opts, "readonly", 0),
3357 &error_abort);
3358 multidevs = qemu_opt_get(opts, "multidevs");
3359 if (multidevs) {
3360 qemu_opt_set(fsdev, "multidevs", multidevs, &error_abort);
3361 }
3362 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3363 &error_abort);
3364 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3365 qemu_opt_set(device, "fsdev",
3366 qemu_opts_id(fsdev), &error_abort);
3367 qemu_opt_set(device, "mount_tag",
3368 qemu_opt_get(opts, "mount_tag"), &error_abort);
3369 break;
3370 }
3371 case QEMU_OPTION_virtfs_synth: {
3372 QemuOpts *fsdev;
3373 QemuOpts *device;
3374
3375 warn_report("'-virtfs_synth' is deprecated, please use "
3376 "'-fsdev synth' and '-device virtio-9p-...' "
3377 "instead");
3378
3379 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3380 1, NULL);
3381 if (!fsdev) {
3382 error_report("duplicate option: %s", "virtfs_synth");
3383 exit(1);
3384 }
3385 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3386
3387 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3388 &error_abort);
3389 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3390 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3391 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3392 break;
3393 }
3394 case QEMU_OPTION_serial:
3395 add_device_config(DEV_SERIAL, optarg);
3396 default_serial = 0;
3397 if (strncmp(optarg, "mon:", 4) == 0) {
3398 default_monitor = 0;
3399 }
3400 break;
3401 case QEMU_OPTION_watchdog:
3402 if (watchdog) {
3403 error_report("only one watchdog option may be given");
3404 return 1;
3405 }
3406 watchdog = optarg;
3407 break;
3408 case QEMU_OPTION_watchdog_action:
3409 if (select_watchdog_action(optarg) == -1) {
3410 error_report("unknown -watchdog-action parameter");
3411 exit(1);
3412 }
3413 break;
3414 case QEMU_OPTION_parallel:
3415 add_device_config(DEV_PARALLEL, optarg);
3416 default_parallel = 0;
3417 if (strncmp(optarg, "mon:", 4) == 0) {
3418 default_monitor = 0;
3419 }
3420 break;
3421 case QEMU_OPTION_debugcon:
3422 add_device_config(DEV_DEBUGCON, optarg);
3423 break;
3424 case QEMU_OPTION_loadvm:
3425 loadvm = optarg;
3426 break;
3427 case QEMU_OPTION_full_screen:
3428 dpy.has_full_screen = true;
3429 dpy.full_screen = true;
3430 break;
3431 case QEMU_OPTION_alt_grab:
3432 alt_grab = 1;
3433 break;
3434 case QEMU_OPTION_ctrl_grab:
3435 ctrl_grab = 1;
3436 break;
3437 case QEMU_OPTION_no_quit:
3438 dpy.has_window_close = true;
3439 dpy.window_close = false;
3440 break;
3441 case QEMU_OPTION_sdl:
3442 #ifdef CONFIG_SDL
3443 dpy.type = DISPLAY_TYPE_SDL;
3444 break;
3445 #else
3446 error_report("SDL support is disabled");
3447 exit(1);
3448 #endif
3449 case QEMU_OPTION_pidfile:
3450 pid_file = optarg;
3451 break;
3452 case QEMU_OPTION_win2k_hack:
3453 win2k_install_hack = 1;
3454 break;
3455 case QEMU_OPTION_acpitable:
3456 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3457 optarg, true);
3458 if (!opts) {
3459 exit(1);
3460 }
3461 acpi_table_add(opts, &error_fatal);
3462 break;
3463 case QEMU_OPTION_smbios:
3464 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3465 optarg, false);
3466 if (!opts) {
3467 exit(1);
3468 }
3469 smbios_entry_add(opts, &error_fatal);
3470 break;
3471 case QEMU_OPTION_fwcfg:
3472 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3473 optarg, true);
3474 if (opts == NULL) {
3475 exit(1);
3476 }
3477 break;
3478 case QEMU_OPTION_preconfig:
3479 preconfig_exit_requested = false;
3480 break;
3481 case QEMU_OPTION_enable_kvm:
3482 olist = qemu_find_opts("machine");
3483 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3484 break;
3485 case QEMU_OPTION_M:
3486 case QEMU_OPTION_machine:
3487 olist = qemu_find_opts("machine");
3488 opts = qemu_opts_parse_noisily(olist, optarg, true);
3489 if (!opts) {
3490 exit(1);
3491 }
3492 break;
3493 case QEMU_OPTION_no_kvm:
3494 olist = qemu_find_opts("machine");
3495 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3496 break;
3497 case QEMU_OPTION_accel:
3498 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3499 optarg, true);
3500 optarg = qemu_opt_get(accel_opts, "accel");
3501 if (!optarg || is_help_option(optarg)) {
3502 printf("Accelerators supported in QEMU binary:\n");
3503 GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL,
3504 false);
3505 for (el = accel_list; el; el = el->next) {
3506 gchar *typename = g_strdup(object_class_get_name(
3507 OBJECT_CLASS(el->data)));
3508 /* omit qtest which is used for tests only */
3509 if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) &&
3510 g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) {
3511 gchar **optname = g_strsplit(typename,
3512 ACCEL_CLASS_SUFFIX, 0);
3513 printf("%s\n", optname[0]);
3514 g_free(optname);
3515 }
3516 g_free(typename);
3517 }
3518 g_slist_free(accel_list);
3519 exit(0);
3520 }
3521 if (optarg && strchr(optarg, ':')) {
3522 error_report("Don't use ':' with -accel, "
3523 "use -M accel=... for now instead");
3524 exit(1);
3525 }
3526 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3527 false, &error_abort);
3528 qemu_opt_set(opts, "accel", optarg, &error_abort);
3529 break;
3530 case QEMU_OPTION_usb:
3531 olist = qemu_find_opts("machine");
3532 qemu_opts_parse_noisily(olist, "usb=on", false);
3533 break;
3534 case QEMU_OPTION_usbdevice:
3535 error_report("'-usbdevice' is deprecated, please use "
3536 "'-device usb-...' instead");
3537 olist = qemu_find_opts("machine");
3538 qemu_opts_parse_noisily(olist, "usb=on", false);
3539 add_device_config(DEV_USB, optarg);
3540 break;
3541 case QEMU_OPTION_device:
3542 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3543 optarg, true)) {
3544 exit(1);
3545 }
3546 break;
3547 case QEMU_OPTION_smp:
3548 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3549 optarg, true)) {
3550 exit(1);
3551 }
3552 break;
3553 case QEMU_OPTION_vnc:
3554 vnc_parse(optarg, &error_fatal);
3555 break;
3556 case QEMU_OPTION_no_acpi:
3557 acpi_enabled = 0;
3558 break;
3559 case QEMU_OPTION_no_hpet:
3560 no_hpet = 1;
3561 break;
3562 case QEMU_OPTION_no_reboot:
3563 no_reboot = 1;
3564 break;
3565 case QEMU_OPTION_no_shutdown:
3566 no_shutdown = 1;
3567 break;
3568 case QEMU_OPTION_show_cursor:
3569 cursor_hide = 0;
3570 break;
3571 case QEMU_OPTION_uuid:
3572 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3573 error_report("failed to parse UUID string: wrong format");
3574 exit(1);
3575 }
3576 qemu_uuid_set = true;
3577 break;
3578 case QEMU_OPTION_option_rom:
3579 if (nb_option_roms >= MAX_OPTION_ROMS) {
3580 error_report("too many option ROMs");
3581 exit(1);
3582 }
3583 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3584 optarg, true);
3585 if (!opts) {
3586 exit(1);
3587 }
3588 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3589 option_rom[nb_option_roms].bootindex =
3590 qemu_opt_get_number(opts, "bootindex", -1);
3591 if (!option_rom[nb_option_roms].name) {
3592 error_report("Option ROM file is not specified");
3593 exit(1);
3594 }
3595 nb_option_roms++;
3596 break;
3597 case QEMU_OPTION_semihosting:
3598 qemu_semihosting_enable();
3599 break;
3600 case QEMU_OPTION_semihosting_config:
3601 if (qemu_semihosting_config_options(optarg) != 0) {
3602 exit(1);
3603 }
3604 break;
3605 case QEMU_OPTION_name:
3606 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3607 optarg, true);
3608 if (!opts) {
3609 exit(1);
3610 }
3611 break;
3612 case QEMU_OPTION_prom_env:
3613 if (nb_prom_envs >= MAX_PROM_ENVS) {
3614 error_report("too many prom variables");
3615 exit(1);
3616 }
3617 prom_envs[nb_prom_envs] = optarg;
3618 nb_prom_envs++;
3619 break;
3620 case QEMU_OPTION_old_param:
3621 old_param = 1;
3622 break;
3623 case QEMU_OPTION_rtc:
3624 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3625 false);
3626 if (!opts) {
3627 exit(1);
3628 }
3629 break;
3630 case QEMU_OPTION_tb_size:
3631 #ifndef CONFIG_TCG
3632 error_report("TCG is disabled");
3633 exit(1);
3634 #endif
3635 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3636 error_report("Invalid argument to -tb-size");
3637 exit(1);
3638 }
3639 break;
3640 case QEMU_OPTION_icount:
3641 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3642 optarg, true);
3643 if (!icount_opts) {
3644 exit(1);
3645 }
3646 break;
3647 case QEMU_OPTION_incoming:
3648 if (!incoming) {
3649 runstate_set(RUN_STATE_INMIGRATE);
3650 }
3651 incoming = optarg;
3652 break;
3653 case QEMU_OPTION_only_migratable:
3654 only_migratable = 1;
3655 break;
3656 case QEMU_OPTION_nodefaults:
3657 has_defaults = 0;
3658 break;
3659 case QEMU_OPTION_xen_domid:
3660 if (!(xen_available())) {
3661 error_report("Option not supported for this target");
3662 exit(1);
3663 }
3664 xen_domid = atoi(optarg);
3665 break;
3666 case QEMU_OPTION_xen_attach:
3667 if (!(xen_available())) {
3668 error_report("Option not supported for this target");
3669 exit(1);
3670 }
3671 xen_mode = XEN_ATTACH;
3672 break;
3673 case QEMU_OPTION_xen_domid_restrict:
3674 if (!(xen_available())) {
3675 error_report("Option not supported for this target");
3676 exit(1);
3677 }
3678 xen_domid_restrict = true;
3679 break;
3680 case QEMU_OPTION_trace:
3681 g_free(trace_file);
3682 trace_file = trace_opt_parse(optarg);
3683 break;
3684 case QEMU_OPTION_readconfig:
3685 {
3686 int ret = qemu_read_config_file(optarg);
3687 if (ret < 0) {
3688 error_report("read config %s: %s", optarg,
3689 strerror(-ret));
3690 exit(1);
3691 }
3692 break;
3693 }
3694 case QEMU_OPTION_spice:
3695 olist = qemu_find_opts("spice");
3696 if (!olist) {
3697 error_report("spice support is disabled");
3698 exit(1);
3699 }
3700 opts = qemu_opts_parse_noisily(olist, optarg, false);
3701 if (!opts) {
3702 exit(1);
3703 }
3704 display_remote++;
3705 break;
3706 case QEMU_OPTION_writeconfig:
3707 {
3708 FILE *fp;
3709 if (strcmp(optarg, "-") == 0) {
3710 fp = stdout;
3711 } else {
3712 fp = fopen(optarg, "w");
3713 if (fp == NULL) {
3714 error_report("open %s: %s", optarg,
3715 strerror(errno));
3716 exit(1);
3717 }
3718 }
3719 qemu_config_write(fp);
3720 if (fp != stdout) {
3721 fclose(fp);
3722 }
3723 break;
3724 }
3725 case QEMU_OPTION_qtest:
3726 qtest_chrdev = optarg;
3727 break;
3728 case QEMU_OPTION_qtest_log:
3729 qtest_log = optarg;
3730 break;
3731 case QEMU_OPTION_sandbox:
3732 olist = qemu_find_opts("sandbox");
3733 if (!olist) {
3734 #ifndef CONFIG_SECCOMP
3735 error_report("-sandbox support is not enabled "
3736 "in this QEMU binary");
3737 #endif
3738 exit(1);
3739 }
3740
3741 opts = qemu_opts_parse_noisily(olist, optarg, true);
3742 if (!opts) {
3743 exit(1);
3744 }
3745 break;
3746 case QEMU_OPTION_add_fd:
3747 #ifndef _WIN32
3748 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3749 optarg, false);
3750 if (!opts) {
3751 exit(1);
3752 }
3753 #else
3754 error_report("File descriptor passing is disabled on this "
3755 "platform");
3756 exit(1);
3757 #endif
3758 break;
3759 case QEMU_OPTION_object:
3760 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3761 optarg, true);
3762 if (!opts) {
3763 exit(1);
3764 }
3765 break;
3766 case QEMU_OPTION_realtime:
3767 warn_report("'-realtime mlock=...' is deprecated, please use "
3768 "'-overcommit mem-lock=...' instead");
3769 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3770 optarg, false);
3771 if (!opts) {
3772 exit(1);
3773 }
3774 /* Don't override the -overcommit option if set */
3775 enable_mlock = enable_mlock ||
3776 qemu_opt_get_bool(opts, "mlock", true);
3777 break;
3778 case QEMU_OPTION_overcommit:
3779 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3780 optarg, false);
3781 if (!opts) {
3782 exit(1);
3783 }
3784 /* Don't override the -realtime option if set */
3785 enable_mlock = enable_mlock ||
3786 qemu_opt_get_bool(opts, "mem-lock", false);
3787 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3788 break;
3789 case QEMU_OPTION_msg:
3790 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3791 false);
3792 if (!opts) {
3793 exit(1);
3794 }
3795 configure_msg(opts);
3796 break;
3797 case QEMU_OPTION_dump_vmstate:
3798 if (vmstate_dump_file) {
3799 error_report("only one '-dump-vmstate' "
3800 "option may be given");
3801 exit(1);
3802 }
3803 vmstate_dump_file = fopen(optarg, "w");
3804 if (vmstate_dump_file == NULL) {
3805 error_report("open %s: %s", optarg, strerror(errno));
3806 exit(1);
3807 }
3808 break;
3809 case QEMU_OPTION_enable_sync_profile:
3810 qsp_enable();
3811 break;
3812 case QEMU_OPTION_nouserconfig:
3813 /* Nothing to be parsed here. Especially, do not error out below. */
3814 break;
3815 default:
3816 if (os_parse_cmd_args(popt->index, optarg)) {
3817 error_report("Option not supported in this build");
3818 exit(1);
3819 }
3820 }
3821 }
3822 }
3823 /*
3824 * Clear error location left behind by the loop.
3825 * Best done right after the loop. Do not insert code here!
3826 */
3827 loc_set_none();
3828
3829 user_register_global_props();
3830
3831 replay_configure(icount_opts);
3832
3833 if (incoming && !preconfig_exit_requested) {
3834 error_report("'preconfig' and 'incoming' options are "
3835 "mutually exclusive");
3836 exit(EXIT_FAILURE);
3837 }
3838
3839 configure_rtc(qemu_find_opts_singleton("rtc"));
3840
3841 machine_class = select_machine();
3842 object_set_machine_compat_props(machine_class->compat_props);
3843
3844 set_memory_options(&ram_slots, &maxram_size, machine_class);
3845
3846 os_daemonize();
3847 rcu_disable_atfork();
3848
3849 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3850 error_reportf_err(err, "cannot create PID file: ");
3851 exit(1);
3852 }
3853
3854 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3855 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3856
3857 if (qemu_init_main_loop(&main_loop_err)) {
3858 error_report_err(main_loop_err);
3859 exit(1);
3860 }
3861
3862 #ifdef CONFIG_SECCOMP
3863 olist = qemu_find_opts_err("sandbox", NULL);
3864 if (olist) {
3865 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
3866 }
3867 #endif
3868
3869 qemu_opts_foreach(qemu_find_opts("name"),
3870 parse_name, NULL, &error_fatal);
3871
3872 #ifndef _WIN32
3873 qemu_opts_foreach(qemu_find_opts("add-fd"),
3874 parse_add_fd, NULL, &error_fatal);
3875
3876 qemu_opts_foreach(qemu_find_opts("add-fd"),
3877 cleanup_add_fd, NULL, &error_fatal);
3878 #endif
3879
3880 current_machine = MACHINE(object_new(object_class_get_name(
3881 OBJECT_CLASS(machine_class))));
3882 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3883 exit(0);
3884 }
3885 object_property_add_child(object_get_root(), "machine",
3886 OBJECT(current_machine), &error_abort);
3887 object_property_add_child(container_get(OBJECT(current_machine),
3888 "/unattached"),
3889 "sysbus", OBJECT(sysbus_get_default()),
3890 NULL);
3891
3892 if (machine_class->minimum_page_bits) {
3893 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
3894 /* This would be a board error: specifying a minimum smaller than
3895 * a target's compile-time fixed setting.
3896 */
3897 g_assert_not_reached();
3898 }
3899 }
3900
3901 cpu_exec_init_all();
3902
3903 if (machine_class->hw_version) {
3904 qemu_set_hw_version(machine_class->hw_version);
3905 }
3906
3907 if (cpu_option && is_help_option(cpu_option)) {
3908 list_cpus(cpu_option);
3909 exit(0);
3910 }
3911
3912 if (!trace_init_backends()) {
3913 exit(1);
3914 }
3915 trace_init_file(trace_file);
3916
3917 /* Open the logfile at this point and set the log mask if necessary.
3918 */
3919 if (log_file) {
3920 qemu_set_log_filename(log_file, &error_fatal);
3921 }
3922
3923 if (log_mask) {
3924 int mask;
3925 mask = qemu_str_to_log_mask(log_mask);
3926 if (!mask) {
3927 qemu_print_log_usage(stdout);
3928 exit(1);
3929 }
3930 qemu_set_log(mask);
3931 } else {
3932 qemu_set_log(0);
3933 }
3934
3935 /* add configured firmware directories */
3936 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
3937 for (i = 0; dirs[i] != NULL; i++) {
3938 qemu_add_data_dir(dirs[i]);
3939 }
3940 g_strfreev(dirs);
3941
3942 /* try to find datadir relative to the executable path */
3943 dir = os_find_datadir();
3944 qemu_add_data_dir(dir);
3945 g_free(dir);
3946
3947 /* add the datadir specified when building */
3948 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
3949
3950 /* -L help lists the data directories and exits. */
3951 if (list_data_dirs) {
3952 for (i = 0; i < data_dir_idx; i++) {
3953 printf("%s\n", data_dir[i]);
3954 }
3955 exit(0);
3956 }
3957
3958 /* machine_class: default to UP */
3959 machine_class->max_cpus = machine_class->max_cpus ?: 1;
3960 machine_class->min_cpus = machine_class->min_cpus ?: 1;
3961 machine_class->default_cpus = machine_class->default_cpus ?: 1;
3962
3963 /* default to machine_class->default_cpus */
3964 current_machine->smp.cpus = machine_class->default_cpus;
3965 current_machine->smp.max_cpus = machine_class->default_cpus;
3966 current_machine->smp.cores = 1;
3967 current_machine->smp.threads = 1;
3968
3969 machine_class->smp_parse(current_machine,
3970 qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3971
3972 /* sanity-check smp_cpus and max_cpus against machine_class */
3973 if (current_machine->smp.cpus < machine_class->min_cpus) {
3974 error_report("Invalid SMP CPUs %d. The min CPUs "
3975 "supported by machine '%s' is %d",
3976 current_machine->smp.cpus,
3977 machine_class->name, machine_class->min_cpus);
3978 exit(1);
3979 }
3980 if (current_machine->smp.max_cpus > machine_class->max_cpus) {
3981 error_report("Invalid SMP CPUs %d. The max CPUs "
3982 "supported by machine '%s' is %d",
3983 current_machine->smp.max_cpus,
3984 machine_class->name, machine_class->max_cpus);
3985 exit(1);
3986 }
3987
3988 /*
3989 * Get the default machine options from the machine if it is not already
3990 * specified either by the configuration file or by the command line.
3991 */
3992 if (machine_class->default_machine_opts) {
3993 qemu_opts_set_defaults(qemu_find_opts("machine"),
3994 machine_class->default_machine_opts, 0);
3995 }
3996
3997 qemu_opts_foreach(qemu_find_opts("device"),
3998 default_driver_check, NULL, NULL);
3999 qemu_opts_foreach(qemu_find_opts("global"),
4000 default_driver_check, NULL, NULL);
4001
4002 if (!vga_model && !default_vga) {
4003 vga_interface_type = VGA_DEVICE;
4004 }
4005 if (!has_defaults || machine_class->no_serial) {
4006 default_serial = 0;
4007 }
4008 if (!has_defaults || machine_class->no_parallel) {
4009 default_parallel = 0;
4010 }
4011 if (!has_defaults || machine_class->no_floppy) {
4012 default_floppy = 0;
4013 }
4014 if (!has_defaults || machine_class->no_cdrom) {
4015 default_cdrom = 0;
4016 }
4017 if (!has_defaults || machine_class->no_sdcard) {
4018 default_sdcard = 0;
4019 }
4020 if (!has_defaults) {
4021 default_monitor = 0;
4022 default_net = 0;
4023 default_vga = 0;
4024 }
4025
4026 if (is_daemonized()) {
4027 if (!preconfig_exit_requested) {
4028 error_report("'preconfig' and 'daemonize' options are "
4029 "mutually exclusive");
4030 exit(EXIT_FAILURE);
4031 }
4032
4033 /* According to documentation and historically, -nographic redirects
4034 * serial port, parallel port and monitor to stdio, which does not work
4035 * with -daemonize. We can redirect these to null instead, but since
4036 * -nographic is legacy, let's just error out.
4037 * We disallow -nographic only if all other ports are not redirected
4038 * explicitly, to not break existing legacy setups which uses
4039 * -nographic _and_ redirects all ports explicitly - this is valid
4040 * usage, -nographic is just a no-op in this case.
4041 */
4042 if (nographic
4043 && (default_parallel || default_serial || default_monitor)) {
4044 error_report("-nographic cannot be used with -daemonize");
4045 exit(1);
4046 }
4047 #ifdef CONFIG_CURSES
4048 if (dpy.type == DISPLAY_TYPE_CURSES) {
4049 error_report("curses display cannot be used with -daemonize");
4050 exit(1);
4051 }
4052 #endif
4053 }
4054
4055 if (nographic) {
4056 if (default_parallel)
4057 add_device_config(DEV_PARALLEL, "null");
4058 if (default_serial && default_monitor) {
4059 add_device_config(DEV_SERIAL, "mon:stdio");
4060 } else {
4061 if (default_serial)
4062 add_device_config(DEV_SERIAL, "stdio");
4063 if (default_monitor)
4064 monitor_parse("stdio", "readline", false);
4065 }
4066 } else {
4067 if (default_serial)
4068 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4069 if (default_parallel)
4070 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4071 if (default_monitor)
4072 monitor_parse("vc:80Cx24C", "readline", false);
4073 }
4074
4075 #if defined(CONFIG_VNC)
4076 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4077 display_remote++;
4078 }
4079 #endif
4080 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4081 if (!qemu_display_find_default(&dpy)) {
4082 dpy.type = DISPLAY_TYPE_NONE;
4083 #if defined(CONFIG_VNC)
4084 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4085 #endif
4086 }
4087 }
4088 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4089 dpy.type = DISPLAY_TYPE_NONE;
4090 }
4091
4092 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4093 error_report("-alt-grab and -ctrl-grab are only valid "
4094 "for SDL, ignoring option");
4095 }
4096 if (dpy.has_window_close &&
4097 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4098 error_report("-no-quit is only valid for GTK and SDL, "
4099 "ignoring option");
4100 }
4101
4102 qemu_display_early_init(&dpy);
4103 qemu_console_early_init();
4104
4105 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4106 #if defined(CONFIG_OPENGL)
4107 error_report("OpenGL is not supported by the display");
4108 #else
4109 error_report("OpenGL support is disabled");
4110 #endif
4111 exit(1);
4112 }
4113
4114 page_size_init();
4115 socket_init();
4116
4117 qemu_opts_foreach(qemu_find_opts("object"),
4118 user_creatable_add_opts_foreach,
4119 object_create_initial, &error_fatal);
4120
4121 qemu_opts_foreach(qemu_find_opts("chardev"),
4122 chardev_init_func, NULL, &error_fatal);
4123 /* now chardevs have been created we may have semihosting to connect */
4124 qemu_semihosting_connect_chardevs();
4125
4126 #ifdef CONFIG_VIRTFS
4127 qemu_opts_foreach(qemu_find_opts("fsdev"),
4128 fsdev_init_func, NULL, &error_fatal);
4129 #endif
4130
4131 if (qemu_opts_foreach(qemu_find_opts("device"),
4132 device_help_func, NULL, NULL)) {
4133 exit(0);
4134 }
4135
4136 /*
4137 * Note: we need to create block backends before
4138 * machine_set_property(), so machine properties can refer to
4139 * them.
4140 */
4141 configure_blockdev(&bdo_queue, machine_class, snapshot);
4142
4143 machine_opts = qemu_get_machine_opts();
4144 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4145 &error_fatal);
4146 current_machine->ram_size = ram_size;
4147 current_machine->maxram_size = maxram_size;
4148 current_machine->ram_slots = ram_slots;
4149
4150 /*
4151 * Note: uses machine properties such as kernel-irqchip, must run
4152 * after machine_set_property().
4153 */
4154 configure_accelerator(current_machine, argv[0]);
4155
4156 /*
4157 * Beware, QOM objects created before this point miss global and
4158 * compat properties.
4159 *
4160 * Global properties get set up by qdev_prop_register_global(),
4161 * called from user_register_global_props(), and certain option
4162 * desugaring. Also in CPU feature desugaring (buried in
4163 * parse_cpu_option()), which happens below this point, but may
4164 * only target the CPU type, which can only be created after
4165 * parse_cpu_option() returned the type.
4166 *
4167 * Machine compat properties: object_set_machine_compat_props().
4168 * Accelerator compat props: object_set_accelerator_compat_props(),
4169 * called from configure_accelerator().
4170 */
4171
4172 if (!qtest_enabled() && machine_class->deprecation_reason) {
4173 error_report("Machine type '%s' is deprecated: %s",
4174 machine_class->name, machine_class->deprecation_reason);
4175 }
4176
4177 /*
4178 * Note: creates a QOM object, must run only after global and
4179 * compat properties have been set up.
4180 */
4181 migration_object_init();
4182
4183 if (qtest_chrdev) {
4184 qtest_server_init(qtest_chrdev, qtest_log, &error_fatal);
4185 }
4186
4187 machine_opts = qemu_get_machine_opts();
4188 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4189 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4190 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4191 bios_name = qemu_opt_get(machine_opts, "firmware");
4192
4193 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4194 if (opts) {
4195 boot_order = qemu_opt_get(opts, "order");
4196 if (boot_order) {
4197 validate_bootdevices(boot_order, &error_fatal);
4198 }
4199
4200 boot_once = qemu_opt_get(opts, "once");
4201 if (boot_once) {
4202 validate_bootdevices(boot_once, &error_fatal);
4203 }
4204
4205 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4206 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4207 }
4208
4209 if (!boot_order) {
4210 boot_order = machine_class->default_boot_order;
4211 }
4212
4213 if (!kernel_cmdline) {
4214 kernel_cmdline = "";
4215 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4216 }
4217
4218 linux_boot = (kernel_filename != NULL);
4219
4220 if (!linux_boot && *kernel_cmdline != '\0') {
4221 error_report("-append only allowed with -kernel option");
4222 exit(1);
4223 }
4224
4225 if (!linux_boot && initrd_filename != NULL) {
4226 error_report("-initrd only allowed with -kernel option");
4227 exit(1);
4228 }
4229
4230 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4231 /* fall back to the -kernel/-append */
4232 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4233 }
4234
4235 /* spice needs the timers to be initialized by this point */
4236 qemu_spice_init();
4237
4238 cpu_ticks_init();
4239 if (icount_opts) {
4240 if (!tcg_enabled()) {
4241 error_report("-icount is not allowed with hardware virtualization");
4242 exit(1);
4243 }
4244 configure_icount(icount_opts, &error_abort);
4245 qemu_opts_del(icount_opts);
4246 }
4247
4248 if (tcg_enabled()) {
4249 qemu_tcg_configure(accel_opts, &error_fatal);
4250 }
4251
4252 if (default_net) {
4253 QemuOptsList *net = qemu_find_opts("net");
4254 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4255 #ifdef CONFIG_SLIRP
4256 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4257 #endif
4258 }
4259
4260 if (net_init_clients(&err) < 0) {
4261 error_report_err(err);
4262 exit(1);
4263 }
4264
4265 qemu_opts_foreach(qemu_find_opts("object"),
4266 user_creatable_add_opts_foreach,
4267 object_create_delayed, &error_fatal);
4268
4269 tpm_init();
4270
4271 /* init the bluetooth world */
4272 if (foreach_device_config(DEV_BT, bt_parse))
4273 exit(1);
4274
4275 if (!xen_enabled()) {
4276 /* On 32-bit hosts, QEMU is limited by virtual address space */
4277 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4278 error_report("at most 2047 MB RAM can be simulated");
4279 exit(1);
4280 }
4281 }
4282
4283 blk_mig_init();
4284 ram_mig_init();
4285 dirty_bitmap_mig_init();
4286
4287 qemu_opts_foreach(qemu_find_opts("mon"),
4288 mon_init_func, NULL, &error_fatal);
4289
4290 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4291 exit(1);
4292 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4293 exit(1);
4294 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4295 exit(1);
4296
4297 /* If no default VGA is requested, the default is "none". */
4298 if (default_vga) {
4299 vga_model = get_default_vga_model(machine_class);
4300 }
4301 if (vga_model) {
4302 select_vgahw(machine_class, vga_model);
4303 }
4304
4305 if (watchdog) {
4306 i = select_watchdog(watchdog);
4307 if (i > 0)
4308 exit (i == 1 ? 1 : 0);
4309 }
4310
4311 /* This checkpoint is required by replay to separate prior clock
4312 reading from the other reads, because timer polling functions query
4313 clock values from the log. */
4314 replay_checkpoint(CHECKPOINT_INIT);
4315 qdev_machine_init();
4316
4317 current_machine->boot_order = boot_order;
4318
4319 /* parse features once if machine provides default cpu_type */
4320 current_machine->cpu_type = machine_class->default_cpu_type;
4321 if (cpu_option) {
4322 current_machine->cpu_type = parse_cpu_option(cpu_option);
4323 }
4324 parse_numa_opts(current_machine);
4325
4326 /* do monitor/qmp handling at preconfig state if requested */
4327 main_loop();
4328
4329 audio_init_audiodevs();
4330
4331 /* from here on runstate is RUN_STATE_PRELAUNCH */
4332 machine_run_board_init(current_machine);
4333
4334 realtime_init();
4335
4336 soundhw_init();
4337
4338 if (hax_enabled()) {
4339 hax_sync_vcpus();
4340 }
4341
4342 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4343 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4344
4345 /* init USB devices */
4346 if (machine_usb(current_machine)) {
4347 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4348 exit(1);
4349 }
4350
4351 /* Check if IGD GFX passthrough. */
4352 igd_gfx_passthru();
4353
4354 /* init generic devices */
4355 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4356 qemu_opts_foreach(qemu_find_opts("device"),
4357 device_init_func, NULL, &error_fatal);
4358
4359 cpu_synchronize_all_post_init();
4360
4361 rom_reset_order_override();
4362
4363 /* Did we create any drives that we failed to create a device for? */
4364 drive_check_orphaned();
4365
4366 /* Don't warn about the default network setup that you get if
4367 * no command line -net or -netdev options are specified. There
4368 * are two cases that we would otherwise complain about:
4369 * (1) board doesn't support a NIC but the implicit "-net nic"
4370 * requested one
4371 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4372 * sets up a nic that isn't connected to anything.
4373 */
4374 if (!default_net && (!qtest_enabled() || has_defaults)) {
4375 net_check_clients();
4376 }
4377
4378 if (boot_once) {
4379 qemu_boot_set(boot_once, &error_fatal);
4380 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4381 }
4382
4383 /* init local displays */
4384 ds = init_displaystate();
4385 qemu_display_init(ds, &dpy);
4386
4387 /* must be after terminal init, SDL library changes signal handlers */
4388 os_setup_signal_handling();
4389
4390 /* init remote displays */
4391 #ifdef CONFIG_VNC
4392 qemu_opts_foreach(qemu_find_opts("vnc"),
4393 vnc_init_func, NULL, &error_fatal);
4394 #endif
4395
4396 if (using_spice) {
4397 qemu_spice_display_init();
4398 }
4399
4400 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4401 exit(1);
4402 }
4403
4404 qdev_machine_creation_done();
4405
4406 /* TODO: once all bus devices are qdevified, this should be done
4407 * when bus is created by qdev.c */
4408 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4409 qemu_run_machine_init_done_notifiers();
4410
4411 if (rom_check_and_register_reset() != 0) {
4412 error_report("rom check and register reset failed");
4413 exit(1);
4414 }
4415
4416 replay_start();
4417
4418 /* This checkpoint is required by replay to separate prior clock
4419 reading from the other reads, because timer polling functions query
4420 clock values from the log. */
4421 replay_checkpoint(CHECKPOINT_RESET);
4422 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4423 register_global_state();
4424 if (loadvm) {
4425 Error *local_err = NULL;
4426 if (load_snapshot(loadvm, &local_err) < 0) {
4427 error_report_err(local_err);
4428 autostart = 0;
4429 exit(1);
4430 }
4431 }
4432 if (replay_mode != REPLAY_MODE_NONE) {
4433 replay_vmstate_init();
4434 }
4435
4436 qdev_prop_check_globals();
4437 if (vmstate_dump_file) {
4438 /* dump and exit */
4439 dump_vmstate_json_to_file(vmstate_dump_file);
4440 return 0;
4441 }
4442
4443 if (incoming) {
4444 Error *local_err = NULL;
4445 qemu_start_incoming_migration(incoming, &local_err);
4446 if (local_err) {
4447 error_reportf_err(local_err, "-incoming %s: ", incoming);
4448 exit(1);
4449 }
4450 } else if (autostart) {
4451 vm_start();
4452 }
4453
4454 accel_setup_post(current_machine);
4455 os_setup_post();
4456
4457 main_loop();
4458
4459 gdbserver_cleanup();
4460
4461 /*
4462 * cleaning up the migration object cancels any existing migration
4463 * try to do this early so that it also stops using devices.
4464 */
4465 migration_shutdown();
4466
4467 /*
4468 * We must cancel all block jobs while the block layer is drained,
4469 * or cancelling will be affected by throttling and thus may block
4470 * for an extended period of time.
4471 * vm_shutdown() will bdrv_drain_all(), so we may as well include
4472 * it in the drained section.
4473 * We do not need to end this section, because we do not want any
4474 * requests happening from here on anyway.
4475 */
4476 bdrv_drain_all_begin();
4477
4478 /* No more vcpu or device emulation activity beyond this point */
4479 vm_shutdown();
4480 replay_finish();
4481
4482 job_cancel_sync_all();
4483 bdrv_close_all();
4484
4485 res_free();
4486
4487 /* vhost-user must be cleaned up before chardevs. */
4488 tpm_cleanup();
4489 net_cleanup();
4490 audio_cleanup();
4491 monitor_cleanup();
4492 qemu_chr_cleanup();
4493 user_creatable_cleanup();
4494 /* TODO: unref root container, check all devices are ok */
4495
4496 return 0;
4497 }
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