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Merge remote-tracking branch 'remotes/cody/tags/block-pull-request' into staging
[qemu.git] / vl.c
blob16b913f9d5cdfb64312930e378bf5546438d8f20
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/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.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 int rtc_utc = 1;
151 static int rtc_date_offset = -1; /* -1 means no change */
152 QEMUClockType rtc_clock;
153 int vga_interface_type = VGA_NONE;
154 static DisplayOptions dpy;
155 int no_frame;
156 static int num_serial_hds;
157 static Chardev **serial_hds;
158 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
159 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
160 int win2k_install_hack = 0;
161 int singlestep = 0;
162 int smp_cpus;
163 unsigned int max_cpus;
164 int smp_cores = 1;
165 int smp_threads = 1;
166 int acpi_enabled = 1;
167 int no_hpet = 0;
168 int fd_bootchk = 1;
169 static int no_reboot;
170 int no_shutdown = 0;
171 int cursor_hide = 1;
172 int graphic_rotate = 0;
173 const char *watchdog;
174 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
175 int nb_option_roms;
176 int old_param = 0;
177 const char *qemu_name;
178 int alt_grab = 0;
179 int ctrl_grab = 0;
180 unsigned int nb_prom_envs = 0;
181 const char *prom_envs[MAX_PROM_ENVS];
182 int boot_menu;
183 bool boot_strict;
184 uint8_t *boot_splash_filedata;
185 size_t boot_splash_filedata_size;
186 uint8_t qemu_extra_params_fw[2];
187
188 int icount_align_option;
189
190 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 */
193 QemuUUID qemu_uuid;
194 bool qemu_uuid_set;
195
196 static NotifierList exit_notifiers =
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198
199 static NotifierList machine_init_done_notifiers =
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
201
202 bool xen_allowed;
203 uint32_t xen_domid;
204 enum xen_mode xen_mode = XEN_EMULATE;
205 bool xen_domid_restrict;
206
207 static int has_defaults = 1;
208 static int default_serial = 1;
209 static int default_parallel = 1;
210 static int default_virtcon = 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 = "virtio-serial-pci", .flag = &default_virtcon },
232 { .driver = "virtio-serial", .flag = &default_virtcon },
233 { .driver = "VGA", .flag = &default_vga },
234 { .driver = "isa-vga", .flag = &default_vga },
235 { .driver = "cirrus-vga", .flag = &default_vga },
236 { .driver = "isa-cirrus-vga", .flag = &default_vga },
237 { .driver = "vmware-svga", .flag = &default_vga },
238 { .driver = "qxl-vga", .flag = &default_vga },
239 { .driver = "virtio-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 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_option_rom_opts = {
261 .name = "option-rom",
262 .implied_opt_name = "romfile",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
264 .desc = {
265 {
266 .name = "bootindex",
267 .type = QEMU_OPT_NUMBER,
268 }, {
269 .name = "romfile",
270 .type = QEMU_OPT_STRING,
271 },
272 { /* end of list */ }
273 },
274 };
275
276 static QemuOptsList qemu_machine_opts = {
277 .name = "machine",
278 .implied_opt_name = "type",
279 .merge_lists = true,
280 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
281 .desc = {
282 /*
283 * no elements => accept any
284 * sanity checking will happen later
285 * when setting machine properties
286 */
287 { }
288 },
289 };
290
291 static QemuOptsList qemu_accel_opts = {
292 .name = "accel",
293 .implied_opt_name = "accel",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
295 .merge_lists = true,
296 .desc = {
297 {
298 .name = "accel",
299 .type = QEMU_OPT_STRING,
300 .help = "Select the type of accelerator",
301 },
302 {
303 .name = "thread",
304 .type = QEMU_OPT_STRING,
305 .help = "Enable/disable multi-threaded TCG",
306 },
307 { /* end of list */ }
308 },
309 };
310
311 static QemuOptsList qemu_boot_opts = {
312 .name = "boot-opts",
313 .implied_opt_name = "order",
314 .merge_lists = true,
315 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
316 .desc = {
317 {
318 .name = "order",
319 .type = QEMU_OPT_STRING,
320 }, {
321 .name = "once",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "menu",
325 .type = QEMU_OPT_BOOL,
326 }, {
327 .name = "splash",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "splash-time",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "reboot-timeout",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "strict",
337 .type = QEMU_OPT_BOOL,
338 },
339 { /*End of list */ }
340 },
341 };
342
343 static QemuOptsList qemu_add_fd_opts = {
344 .name = "add-fd",
345 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
346 .desc = {
347 {
348 .name = "fd",
349 .type = QEMU_OPT_NUMBER,
350 .help = "file descriptor of which a duplicate is added to fd set",
351 },{
352 .name = "set",
353 .type = QEMU_OPT_NUMBER,
354 .help = "ID of the fd set to add fd to",
355 },{
356 .name = "opaque",
357 .type = QEMU_OPT_STRING,
358 .help = "free-form string used to describe fd",
359 },
360 { /* end of list */ }
361 },
362 };
363
364 static QemuOptsList qemu_object_opts = {
365 .name = "object",
366 .implied_opt_name = "qom-type",
367 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
368 .desc = {
369 { }
370 },
371 };
372
373 static QemuOptsList qemu_tpmdev_opts = {
374 .name = "tpmdev",
375 .implied_opt_name = "type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
377 .desc = {
378 /* options are defined in the TPM backends */
379 { /* end of list */ }
380 },
381 };
382
383 static QemuOptsList qemu_realtime_opts = {
384 .name = "realtime",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
386 .desc = {
387 {
388 .name = "mlock",
389 .type = QEMU_OPT_BOOL,
390 },
391 { /* end of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_overcommit_opts = {
396 .name = "overcommit",
397 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
398 .desc = {
399 {
400 .name = "mem-lock",
401 .type = QEMU_OPT_BOOL,
402 },
403 {
404 .name = "cpu-pm",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_msg_opts = {
412 .name = "msg",
413 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
414 .desc = {
415 {
416 .name = "timestamp",
417 .type = QEMU_OPT_BOOL,
418 },
419 { /* end of list */ }
420 },
421 };
422
423 static QemuOptsList qemu_name_opts = {
424 .name = "name",
425 .implied_opt_name = "guest",
426 .merge_lists = true,
427 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
428 .desc = {
429 {
430 .name = "guest",
431 .type = QEMU_OPT_STRING,
432 .help = "Sets the name of the guest.\n"
433 "This name will be displayed in the SDL window caption.\n"
434 "The name will also be used for the VNC server",
435 }, {
436 .name = "process",
437 .type = QEMU_OPT_STRING,
438 .help = "Sets the name of the QEMU process, as shown in top etc",
439 }, {
440 .name = "debug-threads",
441 .type = QEMU_OPT_BOOL,
442 .help = "When enabled, name the individual threads; defaults off.\n"
443 "NOTE: The thread names are for debugging and not a\n"
444 "stable API.",
445 },
446 { /* End of list */ }
447 },
448 };
449
450 static QemuOptsList qemu_mem_opts = {
451 .name = "memory",
452 .implied_opt_name = "size",
453 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
454 .merge_lists = true,
455 .desc = {
456 {
457 .name = "size",
458 .type = QEMU_OPT_SIZE,
459 },
460 {
461 .name = "slots",
462 .type = QEMU_OPT_NUMBER,
463 },
464 {
465 .name = "maxmem",
466 .type = QEMU_OPT_SIZE,
467 },
468 { /* end of list */ }
469 },
470 };
471
472 static QemuOptsList qemu_icount_opts = {
473 .name = "icount",
474 .implied_opt_name = "shift",
475 .merge_lists = true,
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
477 .desc = {
478 {
479 .name = "shift",
480 .type = QEMU_OPT_STRING,
481 }, {
482 .name = "align",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "sleep",
486 .type = QEMU_OPT_BOOL,
487 }, {
488 .name = "rr",
489 .type = QEMU_OPT_STRING,
490 }, {
491 .name = "rrfile",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "rrsnapshot",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_semihosting_config_opts = {
502 .name = "semihosting-config",
503 .implied_opt_name = "enable",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
505 .desc = {
506 {
507 .name = "enable",
508 .type = QEMU_OPT_BOOL,
509 }, {
510 .name = "target",
511 .type = QEMU_OPT_STRING,
512 }, {
513 .name = "arg",
514 .type = QEMU_OPT_STRING,
515 },
516 { /* end of list */ }
517 },
518 };
519
520 static QemuOptsList qemu_fw_cfg_opts = {
521 .name = "fw_cfg",
522 .implied_opt_name = "name",
523 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
524 .desc = {
525 {
526 .name = "name",
527 .type = QEMU_OPT_STRING,
528 .help = "Sets the fw_cfg name of the blob to be inserted",
529 }, {
530 .name = "file",
531 .type = QEMU_OPT_STRING,
532 .help = "Sets the name of the file from which\n"
533 "the fw_cfg blob will be loaded",
534 }, {
535 .name = "string",
536 .type = QEMU_OPT_STRING,
537 .help = "Sets content of the blob to be inserted from a string",
538 },
539 { /* end of list */ }
540 },
541 };
542
543 /**
544 * Get machine options
545 *
546 * Returns: machine options (never null).
547 */
548 QemuOpts *qemu_get_machine_opts(void)
549 {
550 return qemu_find_opts_singleton("machine");
551 }
552
553 const char *qemu_get_vm_name(void)
554 {
555 return qemu_name;
556 }
557
558 static void res_free(void)
559 {
560 g_free(boot_splash_filedata);
561 boot_splash_filedata = NULL;
562 }
563
564 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
565 {
566 const char *driver = qemu_opt_get(opts, "driver");
567 int i;
568
569 if (!driver)
570 return 0;
571 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
572 if (strcmp(default_list[i].driver, driver) != 0)
573 continue;
574 *(default_list[i].flag) = 0;
575 }
576 return 0;
577 }
578
579 /***********************************************************/
580 /* QEMU state */
581
582 static RunState current_run_state = RUN_STATE_PRECONFIG;
583
584 /* We use RUN_STATE__MAX but any invalid value will do */
585 static RunState vmstop_requested = RUN_STATE__MAX;
586 static QemuMutex vmstop_lock;
587
588 typedef struct {
589 RunState from;
590 RunState to;
591 } RunStateTransition;
592
593 static const RunStateTransition runstate_transitions_def[] = {
594 /* from -> to */
595 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
596 /* Early switch to inmigrate state to allow -incoming CLI option work
597 * as it used to. TODO: delay actual switching to inmigrate state to
598 * the point after machine is built and remove this hack.
599 */
600 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
601
602 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
603 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
608 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
611 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
613 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
614 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
616 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
617 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
618
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
624 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
626
627 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
628 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
630 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
631 { RUN_STATE_PAUSED, RUN_STATE_COLO},
632
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
634 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
636
637 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
638 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
640
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
644 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
645 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
646
647 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
648 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
649
650 { RUN_STATE_COLO, RUN_STATE_RUNNING },
651
652 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
653 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
654 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
655 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
656 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
657 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
658 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
659 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
660 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
661 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
662 { RUN_STATE_RUNNING, RUN_STATE_COLO},
663
664 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
665
666 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
667 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
668 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
669
670 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
671 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
672 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
673 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
674 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
675 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
676
677 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
678 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
679 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
680 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
681
682 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
683 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
684 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
685
686 { RUN_STATE__MAX, RUN_STATE__MAX },
687 };
688
689 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
690
691 bool runstate_check(RunState state)
692 {
693 return current_run_state == state;
694 }
695
696 bool runstate_store(char *str, size_t size)
697 {
698 const char *state = RunState_str(current_run_state);
699 size_t len = strlen(state) + 1;
700
701 if (len > size) {
702 return false;
703 }
704 memcpy(str, state, len);
705 return true;
706 }
707
708 static void runstate_init(void)
709 {
710 const RunStateTransition *p;
711
712 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
713 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
714 runstate_valid_transitions[p->from][p->to] = true;
715 }
716
717 qemu_mutex_init(&vmstop_lock);
718 }
719
720 /* This function will abort() on invalid state transitions */
721 void runstate_set(RunState new_state)
722 {
723 assert(new_state < RUN_STATE__MAX);
724
725 if (current_run_state == new_state) {
726 return;
727 }
728
729 if (!runstate_valid_transitions[current_run_state][new_state]) {
730 error_report("invalid runstate transition: '%s' -> '%s'",
731 RunState_str(current_run_state),
732 RunState_str(new_state));
733 abort();
734 }
735 trace_runstate_set(new_state);
736 current_run_state = new_state;
737 }
738
739 int runstate_is_running(void)
740 {
741 return runstate_check(RUN_STATE_RUNNING);
742 }
743
744 bool runstate_needs_reset(void)
745 {
746 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
747 runstate_check(RUN_STATE_SHUTDOWN);
748 }
749
750 StatusInfo *qmp_query_status(Error **errp)
751 {
752 StatusInfo *info = g_malloc0(sizeof(*info));
753
754 info->running = runstate_is_running();
755 info->singlestep = singlestep;
756 info->status = current_run_state;
757
758 return info;
759 }
760
761 bool qemu_vmstop_requested(RunState *r)
762 {
763 qemu_mutex_lock(&vmstop_lock);
764 *r = vmstop_requested;
765 vmstop_requested = RUN_STATE__MAX;
766 qemu_mutex_unlock(&vmstop_lock);
767 return *r < RUN_STATE__MAX;
768 }
769
770 void qemu_system_vmstop_request_prepare(void)
771 {
772 qemu_mutex_lock(&vmstop_lock);
773 }
774
775 void qemu_system_vmstop_request(RunState state)
776 {
777 vmstop_requested = state;
778 qemu_mutex_unlock(&vmstop_lock);
779 qemu_notify_event();
780 }
781
782 /***********************************************************/
783 /* real time host monotonic timer */
784
785 static time_t qemu_time(void)
786 {
787 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
788 }
789
790 /***********************************************************/
791 /* host time/date access */
792 void qemu_get_timedate(struct tm *tm, int offset)
793 {
794 time_t ti = qemu_time();
795
796 ti += offset;
797 if (rtc_date_offset == -1) {
798 if (rtc_utc)
799 gmtime_r(&ti, tm);
800 else
801 localtime_r(&ti, tm);
802 } else {
803 ti -= rtc_date_offset;
804 gmtime_r(&ti, tm);
805 }
806 }
807
808 int qemu_timedate_diff(struct tm *tm)
809 {
810 time_t seconds;
811
812 if (rtc_date_offset == -1)
813 if (rtc_utc)
814 seconds = mktimegm(tm);
815 else {
816 struct tm tmp = *tm;
817 tmp.tm_isdst = -1; /* use timezone to figure it out */
818 seconds = mktime(&tmp);
819 }
820 else
821 seconds = mktimegm(tm) + rtc_date_offset;
822
823 return seconds - qemu_time();
824 }
825
826 static void configure_rtc_date_offset(const char *startdate, int legacy)
827 {
828 time_t rtc_start_date;
829 struct tm tm;
830
831 if (!strcmp(startdate, "now") && legacy) {
832 rtc_date_offset = -1;
833 } else {
834 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
835 &tm.tm_year,
836 &tm.tm_mon,
837 &tm.tm_mday,
838 &tm.tm_hour,
839 &tm.tm_min,
840 &tm.tm_sec) == 6) {
841 /* OK */
842 } else if (sscanf(startdate, "%d-%d-%d",
843 &tm.tm_year,
844 &tm.tm_mon,
845 &tm.tm_mday) == 3) {
846 tm.tm_hour = 0;
847 tm.tm_min = 0;
848 tm.tm_sec = 0;
849 } else {
850 goto date_fail;
851 }
852 tm.tm_year -= 1900;
853 tm.tm_mon--;
854 rtc_start_date = mktimegm(&tm);
855 if (rtc_start_date == -1) {
856 date_fail:
857 error_report("invalid date format");
858 error_printf("valid formats: "
859 "'2006-06-17T16:01:21' or '2006-06-17'\n");
860 exit(1);
861 }
862 rtc_date_offset = qemu_time() - rtc_start_date;
863 }
864 }
865
866 static void configure_rtc(QemuOpts *opts)
867 {
868 const char *value;
869
870 value = qemu_opt_get(opts, "base");
871 if (value) {
872 if (!strcmp(value, "utc")) {
873 rtc_utc = 1;
874 } else if (!strcmp(value, "localtime")) {
875 Error *blocker = NULL;
876 rtc_utc = 0;
877 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
878 "-rtc base=localtime");
879 replay_add_blocker(blocker);
880 } else {
881 configure_rtc_date_offset(value, 0);
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_report("fd option is required and must be non-negative");
1074 return -1;
1075 }
1076
1077 if (fd <= STDERR_FILENO) {
1078 error_report("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_report("fd is not valid or already in use");
1089 return -1;
1090 }
1091
1092 if (fdset_id < 0) {
1093 error_report("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_report("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) == 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);
1170 if (!dinfo) {
1171 exit(1);
1172 }
1173 dinfo->is_default = true;
1174
1175 }
1176
1177 static QemuOptsList qemu_smp_opts = {
1178 .name = "smp-opts",
1179 .implied_opt_name = "cpus",
1180 .merge_lists = true,
1181 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1182 .desc = {
1183 {
1184 .name = "cpus",
1185 .type = QEMU_OPT_NUMBER,
1186 }, {
1187 .name = "sockets",
1188 .type = QEMU_OPT_NUMBER,
1189 }, {
1190 .name = "cores",
1191 .type = QEMU_OPT_NUMBER,
1192 }, {
1193 .name = "threads",
1194 .type = QEMU_OPT_NUMBER,
1195 }, {
1196 .name = "maxcpus",
1197 .type = QEMU_OPT_NUMBER,
1198 },
1199 { /*End of list */ }
1200 },
1201 };
1202
1203 static void smp_parse(QemuOpts *opts)
1204 {
1205 if (opts) {
1206 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1207 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1208 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1209 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1210
1211 /* compute missing values, prefer sockets over cores over threads */
1212 if (cpus == 0 || sockets == 0) {
1213 sockets = sockets > 0 ? sockets : 1;
1214 cores = cores > 0 ? cores : 1;
1215 threads = threads > 0 ? threads : 1;
1216 if (cpus == 0) {
1217 cpus = cores * threads * sockets;
1218 }
1219 } else if (cores == 0) {
1220 threads = threads > 0 ? threads : 1;
1221 cores = cpus / (sockets * threads);
1222 cores = cores > 0 ? cores : 1;
1223 } else if (threads == 0) {
1224 threads = cpus / (cores * sockets);
1225 threads = threads > 0 ? threads : 1;
1226 } else if (sockets * cores * threads < cpus) {
1227 error_report("cpu topology: "
1228 "sockets (%u) * cores (%u) * threads (%u) < "
1229 "smp_cpus (%u)",
1230 sockets, cores, threads, cpus);
1231 exit(1);
1232 }
1233
1234 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1235
1236 if (max_cpus < cpus) {
1237 error_report("maxcpus must be equal to or greater than smp");
1238 exit(1);
1239 }
1240
1241 if (sockets * cores * threads > max_cpus) {
1242 error_report("cpu topology: "
1243 "sockets (%u) * cores (%u) * threads (%u) > "
1244 "maxcpus (%u)",
1245 sockets, cores, threads, max_cpus);
1246 exit(1);
1247 }
1248
1249 smp_cpus = cpus;
1250 smp_cores = cores;
1251 smp_threads = threads;
1252 }
1253
1254 if (smp_cpus > 1) {
1255 Error *blocker = NULL;
1256 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1257 replay_add_blocker(blocker);
1258 }
1259 }
1260
1261 static void realtime_init(void)
1262 {
1263 if (enable_mlock) {
1264 if (os_mlock() < 0) {
1265 error_report("locking memory failed");
1266 exit(1);
1267 }
1268 }
1269 }
1270
1271
1272 static void configure_msg(QemuOpts *opts)
1273 {
1274 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1275 }
1276
1277 /***********************************************************/
1278 /* Semihosting */
1279
1280 typedef struct SemihostingConfig {
1281 bool enabled;
1282 SemihostingTarget target;
1283 const char **argv;
1284 int argc;
1285 const char *cmdline; /* concatenated argv */
1286 } SemihostingConfig;
1287
1288 static SemihostingConfig semihosting;
1289
1290 bool semihosting_enabled(void)
1291 {
1292 return semihosting.enabled;
1293 }
1294
1295 SemihostingTarget semihosting_get_target(void)
1296 {
1297 return semihosting.target;
1298 }
1299
1300 const char *semihosting_get_arg(int i)
1301 {
1302 if (i >= semihosting.argc) {
1303 return NULL;
1304 }
1305 return semihosting.argv[i];
1306 }
1307
1308 int semihosting_get_argc(void)
1309 {
1310 return semihosting.argc;
1311 }
1312
1313 const char *semihosting_get_cmdline(void)
1314 {
1315 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1316 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1317 }
1318 return semihosting.cmdline;
1319 }
1320
1321 static int add_semihosting_arg(void *opaque,
1322 const char *name, const char *val,
1323 Error **errp)
1324 {
1325 SemihostingConfig *s = opaque;
1326 if (strcmp(name, "arg") == 0) {
1327 s->argc++;
1328 /* one extra element as g_strjoinv() expects NULL-terminated array */
1329 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1330 s->argv[s->argc - 1] = val;
1331 s->argv[s->argc] = NULL;
1332 }
1333 return 0;
1334 }
1335
1336 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1337 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1338 {
1339 char *cmd_token;
1340
1341 /* argv[0] */
1342 add_semihosting_arg(&semihosting, "arg", file, NULL);
1343
1344 /* split -append and initialize argv[1..n] */
1345 cmd_token = strtok(g_strdup(cmd), " ");
1346 while (cmd_token) {
1347 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1348 cmd_token = strtok(NULL, " ");
1349 }
1350 }
1351
1352 /* Now we still need this for compatibility with XEN. */
1353 bool has_igd_gfx_passthru;
1354 static void igd_gfx_passthru(void)
1355 {
1356 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1357 }
1358
1359 /***********************************************************/
1360 /* USB devices */
1361
1362 static int usb_device_add(const char *devname)
1363 {
1364 USBDevice *dev = NULL;
1365
1366 if (!machine_usb(current_machine)) {
1367 return -1;
1368 }
1369
1370 dev = usbdevice_create(devname);
1371 if (!dev)
1372 return -1;
1373
1374 return 0;
1375 }
1376
1377 static int usb_parse(const char *cmdline)
1378 {
1379 int r;
1380 r = usb_device_add(cmdline);
1381 if (r < 0) {
1382 error_report("could not add USB device '%s'", cmdline);
1383 }
1384 return r;
1385 }
1386
1387 /***********************************************************/
1388 /* machine registration */
1389
1390 MachineState *current_machine;
1391
1392 static MachineClass *find_machine(const char *name)
1393 {
1394 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1395 MachineClass *mc = NULL;
1396
1397 for (el = machines; el; el = el->next) {
1398 MachineClass *temp = el->data;
1399
1400 if (!strcmp(temp->name, name)) {
1401 mc = temp;
1402 break;
1403 }
1404 if (temp->alias &&
1405 !strcmp(temp->alias, name)) {
1406 mc = temp;
1407 break;
1408 }
1409 }
1410
1411 g_slist_free(machines);
1412 return mc;
1413 }
1414
1415 MachineClass *find_default_machine(void)
1416 {
1417 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1418 MachineClass *mc = NULL;
1419
1420 for (el = machines; el; el = el->next) {
1421 MachineClass *temp = el->data;
1422
1423 if (temp->is_default) {
1424 mc = temp;
1425 break;
1426 }
1427 }
1428
1429 g_slist_free(machines);
1430 return mc;
1431 }
1432
1433 MachineInfoList *qmp_query_machines(Error **errp)
1434 {
1435 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1436 MachineInfoList *mach_list = NULL;
1437
1438 for (el = machines; el; el = el->next) {
1439 MachineClass *mc = el->data;
1440 MachineInfoList *entry;
1441 MachineInfo *info;
1442
1443 info = g_malloc0(sizeof(*info));
1444 if (mc->is_default) {
1445 info->has_is_default = true;
1446 info->is_default = true;
1447 }
1448
1449 if (mc->alias) {
1450 info->has_alias = true;
1451 info->alias = g_strdup(mc->alias);
1452 }
1453
1454 info->name = g_strdup(mc->name);
1455 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1456 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1457
1458 entry = g_malloc0(sizeof(*entry));
1459 entry->value = info;
1460 entry->next = mach_list;
1461 mach_list = entry;
1462 }
1463
1464 g_slist_free(machines);
1465 return mach_list;
1466 }
1467
1468 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1469 {
1470 ObjectProperty *prop;
1471 ObjectPropertyIterator iter;
1472
1473 if (!qemu_opt_has_help_opt(opts)) {
1474 return 0;
1475 }
1476
1477 object_property_iter_init(&iter, OBJECT(machine));
1478 while ((prop = object_property_iter_next(&iter))) {
1479 if (!prop->set) {
1480 continue;
1481 }
1482
1483 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1484 prop->name, prop->type);
1485 if (prop->description) {
1486 error_printf(" (%s)\n", prop->description);
1487 } else {
1488 error_printf("\n");
1489 }
1490 }
1491
1492 return 1;
1493 }
1494
1495 /***********************************************************/
1496 /* main execution loop */
1497
1498 struct vm_change_state_entry {
1499 VMChangeStateHandler *cb;
1500 void *opaque;
1501 QLIST_ENTRY (vm_change_state_entry) entries;
1502 };
1503
1504 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1505
1506 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1507 void *opaque)
1508 {
1509 VMChangeStateEntry *e;
1510
1511 e = g_malloc0(sizeof (*e));
1512
1513 e->cb = cb;
1514 e->opaque = opaque;
1515 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1516 return e;
1517 }
1518
1519 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1520 {
1521 QLIST_REMOVE (e, entries);
1522 g_free (e);
1523 }
1524
1525 void vm_state_notify(int running, RunState state)
1526 {
1527 VMChangeStateEntry *e, *next;
1528
1529 trace_vm_state_notify(running, state);
1530
1531 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1532 e->cb(e->opaque, running, state);
1533 }
1534 }
1535
1536 static ShutdownCause reset_requested;
1537 static ShutdownCause shutdown_requested;
1538 static int shutdown_signal;
1539 static pid_t shutdown_pid;
1540 static int powerdown_requested;
1541 static int debug_requested;
1542 static int suspend_requested;
1543 static bool preconfig_exit_requested = true;
1544 static WakeupReason wakeup_reason;
1545 static NotifierList powerdown_notifiers =
1546 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1547 static NotifierList suspend_notifiers =
1548 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1549 static NotifierList wakeup_notifiers =
1550 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1551 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1552
1553 ShutdownCause qemu_shutdown_requested_get(void)
1554 {
1555 return shutdown_requested;
1556 }
1557
1558 ShutdownCause qemu_reset_requested_get(void)
1559 {
1560 return reset_requested;
1561 }
1562
1563 static int qemu_shutdown_requested(void)
1564 {
1565 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1566 }
1567
1568 static void qemu_kill_report(void)
1569 {
1570 if (!qtest_driver() && shutdown_signal) {
1571 if (shutdown_pid == 0) {
1572 /* This happens for eg ^C at the terminal, so it's worth
1573 * avoiding printing an odd message in that case.
1574 */
1575 error_report("terminating on signal %d", shutdown_signal);
1576 } else {
1577 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1578
1579 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1580 shutdown_signal, shutdown_pid,
1581 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1582 g_free(shutdown_cmd);
1583 }
1584 shutdown_signal = 0;
1585 }
1586 }
1587
1588 static ShutdownCause qemu_reset_requested(void)
1589 {
1590 ShutdownCause r = reset_requested;
1591
1592 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1593 reset_requested = SHUTDOWN_CAUSE_NONE;
1594 return r;
1595 }
1596 return SHUTDOWN_CAUSE_NONE;
1597 }
1598
1599 static int qemu_suspend_requested(void)
1600 {
1601 int r = suspend_requested;
1602 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1603 suspend_requested = 0;
1604 return r;
1605 }
1606 return false;
1607 }
1608
1609 static WakeupReason qemu_wakeup_requested(void)
1610 {
1611 return wakeup_reason;
1612 }
1613
1614 static int qemu_powerdown_requested(void)
1615 {
1616 int r = powerdown_requested;
1617 powerdown_requested = 0;
1618 return r;
1619 }
1620
1621 static int qemu_debug_requested(void)
1622 {
1623 int r = debug_requested;
1624 debug_requested = 0;
1625 return r;
1626 }
1627
1628 void qemu_exit_preconfig_request(void)
1629 {
1630 preconfig_exit_requested = true;
1631 }
1632
1633 /*
1634 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1635 */
1636 void qemu_system_reset(ShutdownCause reason)
1637 {
1638 MachineClass *mc;
1639
1640 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1641
1642 cpu_synchronize_all_states();
1643
1644 if (mc && mc->reset) {
1645 mc->reset();
1646 } else {
1647 qemu_devices_reset();
1648 }
1649 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1650 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1651 &error_abort);
1652 }
1653 cpu_synchronize_all_post_reset();
1654 }
1655
1656 void qemu_system_guest_panicked(GuestPanicInformation *info)
1657 {
1658 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1659
1660 if (current_cpu) {
1661 current_cpu->crash_occurred = true;
1662 }
1663 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1664 !!info, info, &error_abort);
1665 vm_stop(RUN_STATE_GUEST_PANICKED);
1666 if (!no_shutdown) {
1667 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1668 !!info, info, &error_abort);
1669 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1670 }
1671
1672 if (info) {
1673 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1674 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1675 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1676 info->u.hyper_v.arg1,
1677 info->u.hyper_v.arg2,
1678 info->u.hyper_v.arg3,
1679 info->u.hyper_v.arg4,
1680 info->u.hyper_v.arg5);
1681 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1682 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1683 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1684 info->u.s390.core,
1685 S390CrashReason_str(info->u.s390.reason),
1686 info->u.s390.psw_mask,
1687 info->u.s390.psw_addr);
1688 }
1689 qapi_free_GuestPanicInformation(info);
1690 }
1691 }
1692
1693 void qemu_system_reset_request(ShutdownCause reason)
1694 {
1695 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1696 shutdown_requested = reason;
1697 } else {
1698 reset_requested = reason;
1699 }
1700 cpu_stop_current();
1701 qemu_notify_event();
1702 }
1703
1704 static void qemu_system_suspend(void)
1705 {
1706 pause_all_vcpus();
1707 notifier_list_notify(&suspend_notifiers, NULL);
1708 runstate_set(RUN_STATE_SUSPENDED);
1709 qapi_event_send_suspend(&error_abort);
1710 }
1711
1712 void qemu_system_suspend_request(void)
1713 {
1714 if (runstate_check(RUN_STATE_SUSPENDED)) {
1715 return;
1716 }
1717 suspend_requested = 1;
1718 cpu_stop_current();
1719 qemu_notify_event();
1720 }
1721
1722 void qemu_register_suspend_notifier(Notifier *notifier)
1723 {
1724 notifier_list_add(&suspend_notifiers, notifier);
1725 }
1726
1727 void qemu_system_wakeup_request(WakeupReason reason)
1728 {
1729 trace_system_wakeup_request(reason);
1730
1731 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1732 return;
1733 }
1734 if (!(wakeup_reason_mask & (1 << reason))) {
1735 return;
1736 }
1737 runstate_set(RUN_STATE_RUNNING);
1738 wakeup_reason = reason;
1739 qemu_notify_event();
1740 }
1741
1742 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1743 {
1744 if (enabled) {
1745 wakeup_reason_mask |= (1 << reason);
1746 } else {
1747 wakeup_reason_mask &= ~(1 << reason);
1748 }
1749 }
1750
1751 void qemu_register_wakeup_notifier(Notifier *notifier)
1752 {
1753 notifier_list_add(&wakeup_notifiers, notifier);
1754 }
1755
1756 void qemu_system_killed(int signal, pid_t pid)
1757 {
1758 shutdown_signal = signal;
1759 shutdown_pid = pid;
1760 no_shutdown = 0;
1761
1762 /* Cannot call qemu_system_shutdown_request directly because
1763 * we are in a signal handler.
1764 */
1765 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1766 qemu_notify_event();
1767 }
1768
1769 void qemu_system_shutdown_request(ShutdownCause reason)
1770 {
1771 trace_qemu_system_shutdown_request(reason);
1772 replay_shutdown_request(reason);
1773 shutdown_requested = reason;
1774 qemu_notify_event();
1775 }
1776
1777 static void qemu_system_powerdown(void)
1778 {
1779 qapi_event_send_powerdown(&error_abort);
1780 notifier_list_notify(&powerdown_notifiers, NULL);
1781 }
1782
1783 void qemu_system_powerdown_request(void)
1784 {
1785 trace_qemu_system_powerdown_request();
1786 powerdown_requested = 1;
1787 qemu_notify_event();
1788 }
1789
1790 void qemu_register_powerdown_notifier(Notifier *notifier)
1791 {
1792 notifier_list_add(&powerdown_notifiers, notifier);
1793 }
1794
1795 void qemu_system_debug_request(void)
1796 {
1797 debug_requested = 1;
1798 qemu_notify_event();
1799 }
1800
1801 static bool main_loop_should_exit(void)
1802 {
1803 RunState r;
1804 ShutdownCause request;
1805
1806 if (preconfig_exit_requested) {
1807 if (runstate_check(RUN_STATE_PRECONFIG)) {
1808 runstate_set(RUN_STATE_PRELAUNCH);
1809 }
1810 preconfig_exit_requested = false;
1811 return true;
1812 }
1813 if (qemu_debug_requested()) {
1814 vm_stop(RUN_STATE_DEBUG);
1815 }
1816 if (qemu_suspend_requested()) {
1817 qemu_system_suspend();
1818 }
1819 request = qemu_shutdown_requested();
1820 if (request) {
1821 qemu_kill_report();
1822 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1823 &error_abort);
1824 if (no_shutdown) {
1825 vm_stop(RUN_STATE_SHUTDOWN);
1826 } else {
1827 return true;
1828 }
1829 }
1830 request = qemu_reset_requested();
1831 if (request) {
1832 pause_all_vcpus();
1833 qemu_system_reset(request);
1834 resume_all_vcpus();
1835 if (!runstate_check(RUN_STATE_RUNNING) &&
1836 !runstate_check(RUN_STATE_INMIGRATE)) {
1837 runstate_set(RUN_STATE_PRELAUNCH);
1838 }
1839 }
1840 if (qemu_wakeup_requested()) {
1841 pause_all_vcpus();
1842 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1843 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1844 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1845 resume_all_vcpus();
1846 qapi_event_send_wakeup(&error_abort);
1847 }
1848 if (qemu_powerdown_requested()) {
1849 qemu_system_powerdown();
1850 }
1851 if (qemu_vmstop_requested(&r)) {
1852 vm_stop(r);
1853 }
1854 return false;
1855 }
1856
1857 static void main_loop(void)
1858 {
1859 #ifdef CONFIG_PROFILER
1860 int64_t ti;
1861 #endif
1862 while (!main_loop_should_exit()) {
1863 #ifdef CONFIG_PROFILER
1864 ti = profile_getclock();
1865 #endif
1866 main_loop_wait(false);
1867 #ifdef CONFIG_PROFILER
1868 dev_time += profile_getclock() - ti;
1869 #endif
1870 }
1871 }
1872
1873 static void version(void)
1874 {
1875 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1876 QEMU_COPYRIGHT "\n");
1877 }
1878
1879 static void help(int exitcode)
1880 {
1881 version();
1882 printf("usage: %s [options] [disk_image]\n\n"
1883 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1884 error_get_progname());
1885
1886 #define QEMU_OPTIONS_GENERATE_HELP
1887 #include "qemu-options-wrapper.h"
1888
1889 printf("\nDuring emulation, the following keys are useful:\n"
1890 "ctrl-alt-f toggle full screen\n"
1891 "ctrl-alt-n switch to virtual console 'n'\n"
1892 "ctrl-alt toggle mouse and keyboard grab\n"
1893 "\n"
1894 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1895 "\n"
1896 QEMU_HELP_BOTTOM "\n");
1897
1898 exit(exitcode);
1899 }
1900
1901 #define HAS_ARG 0x0001
1902
1903 typedef struct QEMUOption {
1904 const char *name;
1905 int flags;
1906 int index;
1907 uint32_t arch_mask;
1908 } QEMUOption;
1909
1910 static const QEMUOption qemu_options[] = {
1911 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1912 #define QEMU_OPTIONS_GENERATE_OPTIONS
1913 #include "qemu-options-wrapper.h"
1914 { NULL },
1915 };
1916
1917 typedef struct VGAInterfaceInfo {
1918 const char *opt_name; /* option name */
1919 const char *name; /* human-readable name */
1920 /* Class names indicating that support is available.
1921 * If no class is specified, the interface is always available */
1922 const char *class_names[2];
1923 } VGAInterfaceInfo;
1924
1925 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1926 [VGA_NONE] = {
1927 .opt_name = "none",
1928 },
1929 [VGA_STD] = {
1930 .opt_name = "std",
1931 .name = "standard VGA",
1932 .class_names = { "VGA", "isa-vga" },
1933 },
1934 [VGA_CIRRUS] = {
1935 .opt_name = "cirrus",
1936 .name = "Cirrus VGA",
1937 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1938 },
1939 [VGA_VMWARE] = {
1940 .opt_name = "vmware",
1941 .name = "VMWare SVGA",
1942 .class_names = { "vmware-svga" },
1943 },
1944 [VGA_VIRTIO] = {
1945 .opt_name = "virtio",
1946 .name = "Virtio VGA",
1947 .class_names = { "virtio-vga" },
1948 },
1949 [VGA_QXL] = {
1950 .opt_name = "qxl",
1951 .name = "QXL VGA",
1952 .class_names = { "qxl-vga" },
1953 },
1954 [VGA_TCX] = {
1955 .opt_name = "tcx",
1956 .name = "TCX framebuffer",
1957 .class_names = { "SUNW,tcx" },
1958 },
1959 [VGA_CG3] = {
1960 .opt_name = "cg3",
1961 .name = "CG3 framebuffer",
1962 .class_names = { "cgthree" },
1963 },
1964 [VGA_XENFB] = {
1965 .opt_name = "xenfb",
1966 },
1967 };
1968
1969 static bool vga_interface_available(VGAInterfaceType t)
1970 {
1971 VGAInterfaceInfo *ti = &vga_interfaces[t];
1972
1973 assert(t < VGA_TYPE_MAX);
1974 return !ti->class_names[0] ||
1975 object_class_by_name(ti->class_names[0]) ||
1976 object_class_by_name(ti->class_names[1]);
1977 }
1978
1979 static void select_vgahw(const char *p)
1980 {
1981 const char *opts;
1982 int t;
1983
1984 assert(vga_interface_type == VGA_NONE);
1985 for (t = 0; t < VGA_TYPE_MAX; t++) {
1986 VGAInterfaceInfo *ti = &vga_interfaces[t];
1987 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1988 if (!vga_interface_available(t)) {
1989 error_report("%s not available", ti->name);
1990 exit(1);
1991 }
1992 vga_interface_type = t;
1993 break;
1994 }
1995 }
1996 if (t == VGA_TYPE_MAX) {
1997 invalid_vga:
1998 error_report("unknown vga type: %s", p);
1999 exit(1);
2000 }
2001 while (*opts) {
2002 const char *nextopt;
2003
2004 if (strstart(opts, ",retrace=", &nextopt)) {
2005 opts = nextopt;
2006 if (strstart(opts, "dumb", &nextopt))
2007 vga_retrace_method = VGA_RETRACE_DUMB;
2008 else if (strstart(opts, "precise", &nextopt))
2009 vga_retrace_method = VGA_RETRACE_PRECISE;
2010 else goto invalid_vga;
2011 } else goto invalid_vga;
2012 opts = nextopt;
2013 }
2014 }
2015
2016 static void parse_display_qapi(const char *optarg)
2017 {
2018 Error *err = NULL;
2019 DisplayOptions *opts;
2020 Visitor *v;
2021
2022 v = qobject_input_visitor_new_str(optarg, "type", &err);
2023 if (!v) {
2024 error_report_err(err);
2025 exit(1);
2026 }
2027
2028 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2029 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2030
2031 qapi_free_DisplayOptions(opts);
2032 visit_free(v);
2033 }
2034
2035 static void parse_display(const char *p)
2036 {
2037 const char *opts;
2038
2039 if (strstart(p, "sdl", &opts)) {
2040 /*
2041 * sdl DisplayType needs hand-crafted parser instead of
2042 * parse_display_qapi() due to some options not in
2043 * DisplayOptions, specifically:
2044 * - frame
2045 * Already deprecated.
2046 * - ctrl_grab + alt_grab
2047 * Not clear yet what happens to them long-term. Should
2048 * replaced by something better or deprecated and dropped.
2049 */
2050 dpy.type = DISPLAY_TYPE_SDL;
2051 while (*opts) {
2052 const char *nextopt;
2053
2054 if (strstart(opts, ",frame=", &nextopt)) {
2055 g_printerr("The frame= sdl option is deprecated, and will be\n"
2056 "removed in a future release.\n");
2057 opts = nextopt;
2058 if (strstart(opts, "on", &nextopt)) {
2059 no_frame = 0;
2060 } else if (strstart(opts, "off", &nextopt)) {
2061 no_frame = 1;
2062 } else {
2063 goto invalid_sdl_args;
2064 }
2065 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2066 opts = nextopt;
2067 if (strstart(opts, "on", &nextopt)) {
2068 alt_grab = 1;
2069 } else if (strstart(opts, "off", &nextopt)) {
2070 alt_grab = 0;
2071 } else {
2072 goto invalid_sdl_args;
2073 }
2074 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2075 opts = nextopt;
2076 if (strstart(opts, "on", &nextopt)) {
2077 ctrl_grab = 1;
2078 } else if (strstart(opts, "off", &nextopt)) {
2079 ctrl_grab = 0;
2080 } else {
2081 goto invalid_sdl_args;
2082 }
2083 } else if (strstart(opts, ",window_close=", &nextopt)) {
2084 opts = nextopt;
2085 dpy.has_window_close = true;
2086 if (strstart(opts, "on", &nextopt)) {
2087 dpy.window_close = true;
2088 } else if (strstart(opts, "off", &nextopt)) {
2089 dpy.window_close = false;
2090 } else {
2091 goto invalid_sdl_args;
2092 }
2093 } else if (strstart(opts, ",gl=", &nextopt)) {
2094 opts = nextopt;
2095 dpy.has_gl = true;
2096 if (strstart(opts, "on", &nextopt)) {
2097 dpy.gl = DISPLAYGL_MODE_ON;
2098 } else if (strstart(opts, "core", &nextopt)) {
2099 dpy.gl = DISPLAYGL_MODE_CORE;
2100 } else if (strstart(opts, "es", &nextopt)) {
2101 dpy.gl = DISPLAYGL_MODE_ES;
2102 } else if (strstart(opts, "off", &nextopt)) {
2103 dpy.gl = DISPLAYGL_MODE_OFF;
2104 } else {
2105 goto invalid_sdl_args;
2106 }
2107 } else {
2108 invalid_sdl_args:
2109 error_report("invalid SDL option string");
2110 exit(1);
2111 }
2112 opts = nextopt;
2113 }
2114 } else if (strstart(p, "vnc", &opts)) {
2115 /*
2116 * vnc isn't a (local) DisplayType but a protocol for remote
2117 * display access.
2118 */
2119 if (*opts == '=') {
2120 vnc_parse(opts + 1, &error_fatal);
2121 } else {
2122 error_report("VNC requires a display argument vnc=<display>");
2123 exit(1);
2124 }
2125 } else {
2126 parse_display_qapi(p);
2127 }
2128 }
2129
2130 static int balloon_parse(const char *arg)
2131 {
2132 QemuOpts *opts;
2133
2134 warn_report("This option is deprecated. "
2135 "Use '--device virtio-balloon' to enable the balloon device.");
2136
2137 if (strcmp(arg, "none") == 0) {
2138 return 0;
2139 }
2140
2141 if (!strncmp(arg, "virtio", 6)) {
2142 if (arg[6] == ',') {
2143 /* have params -> parse them */
2144 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2145 false);
2146 if (!opts)
2147 return -1;
2148 } else {
2149 /* create empty opts */
2150 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2151 &error_abort);
2152 }
2153 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2154 return 0;
2155 }
2156
2157 return -1;
2158 }
2159
2160 char *qemu_find_file(int type, const char *name)
2161 {
2162 int i;
2163 const char *subdir;
2164 char *buf;
2165
2166 /* Try the name as a straight path first */
2167 if (access(name, R_OK) == 0) {
2168 trace_load_file(name, name);
2169 return g_strdup(name);
2170 }
2171
2172 switch (type) {
2173 case QEMU_FILE_TYPE_BIOS:
2174 subdir = "";
2175 break;
2176 case QEMU_FILE_TYPE_KEYMAP:
2177 subdir = "keymaps/";
2178 break;
2179 default:
2180 abort();
2181 }
2182
2183 for (i = 0; i < data_dir_idx; i++) {
2184 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2185 if (access(buf, R_OK) == 0) {
2186 trace_load_file(name, buf);
2187 return buf;
2188 }
2189 g_free(buf);
2190 }
2191 return NULL;
2192 }
2193
2194 static void qemu_add_data_dir(const char *path)
2195 {
2196 int i;
2197
2198 if (path == NULL) {
2199 return;
2200 }
2201 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2202 return;
2203 }
2204 for (i = 0; i < data_dir_idx; i++) {
2205 if (strcmp(data_dir[i], path) == 0) {
2206 return; /* duplicate */
2207 }
2208 }
2209 data_dir[data_dir_idx++] = g_strdup(path);
2210 }
2211
2212 static inline bool nonempty_str(const char *str)
2213 {
2214 return str && *str;
2215 }
2216
2217 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2218 {
2219 gchar *buf;
2220 size_t size;
2221 const char *name, *file, *str;
2222 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2223
2224 if (fw_cfg == NULL) {
2225 error_report("fw_cfg device not available");
2226 return -1;
2227 }
2228 name = qemu_opt_get(opts, "name");
2229 file = qemu_opt_get(opts, "file");
2230 str = qemu_opt_get(opts, "string");
2231
2232 /* we need name and either a file or the content string */
2233 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2234 error_report("invalid argument(s)");
2235 return -1;
2236 }
2237 if (nonempty_str(file) && nonempty_str(str)) {
2238 error_report("file and string are mutually exclusive");
2239 return -1;
2240 }
2241 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2242 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2243 return -1;
2244 }
2245 if (strncmp(name, "opt/", 4) != 0) {
2246 warn_report("externally provided fw_cfg item names "
2247 "should be prefixed with \"opt/\"");
2248 }
2249 if (nonempty_str(str)) {
2250 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2251 buf = g_memdup(str, size);
2252 } else {
2253 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2254 error_report("can't load %s", file);
2255 return -1;
2256 }
2257 }
2258 /* For legacy, keep user files in a specific global order. */
2259 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2260 fw_cfg_add_file(fw_cfg, name, buf, size);
2261 fw_cfg_reset_order_override(fw_cfg);
2262 return 0;
2263 }
2264
2265 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2266 {
2267 return qdev_device_help(opts);
2268 }
2269
2270 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2271 {
2272 Error *err = NULL;
2273 DeviceState *dev;
2274
2275 dev = qdev_device_add(opts, &err);
2276 if (!dev) {
2277 error_report_err(err);
2278 return -1;
2279 }
2280 object_unref(OBJECT(dev));
2281 return 0;
2282 }
2283
2284 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2285 {
2286 Error *local_err = NULL;
2287
2288 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2289 if (local_err) {
2290 error_report_err(local_err);
2291 return -1;
2292 }
2293 exit(0);
2294 }
2295 return 0;
2296 }
2297
2298 #ifdef CONFIG_VIRTFS
2299 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2300 {
2301 return qemu_fsdev_add(opts);
2302 }
2303 #endif
2304
2305 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2306 {
2307 Chardev *chr;
2308 const char *chardev;
2309 const char *mode;
2310 int flags;
2311
2312 mode = qemu_opt_get(opts, "mode");
2313 if (mode == NULL) {
2314 mode = "readline";
2315 }
2316 if (strcmp(mode, "readline") == 0) {
2317 flags = MONITOR_USE_READLINE;
2318 } else if (strcmp(mode, "control") == 0) {
2319 flags = MONITOR_USE_CONTROL;
2320 } else {
2321 error_report("unknown monitor mode \"%s\"", mode);
2322 exit(1);
2323 }
2324
2325 if (qemu_opt_get_bool(opts, "pretty", 0))
2326 flags |= MONITOR_USE_PRETTY;
2327
2328 /* OOB is off by default */
2329 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2330 flags |= MONITOR_USE_OOB;
2331 }
2332
2333 chardev = qemu_opt_get(opts, "chardev");
2334 chr = qemu_chr_find(chardev);
2335 if (chr == NULL) {
2336 error_report("chardev \"%s\" not found", chardev);
2337 exit(1);
2338 }
2339
2340 monitor_init(chr, flags);
2341 return 0;
2342 }
2343
2344 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2345 {
2346 static int monitor_device_index = 0;
2347 QemuOpts *opts;
2348 const char *p;
2349 char label[32];
2350
2351 if (strstart(optarg, "chardev:", &p)) {
2352 snprintf(label, sizeof(label), "%s", p);
2353 } else {
2354 snprintf(label, sizeof(label), "compat_monitor%d",
2355 monitor_device_index);
2356 opts = qemu_chr_parse_compat(label, optarg);
2357 if (!opts) {
2358 error_report("parse error: %s", optarg);
2359 exit(1);
2360 }
2361 }
2362
2363 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2364 qemu_opt_set(opts, "mode", mode, &error_abort);
2365 qemu_opt_set(opts, "chardev", label, &error_abort);
2366 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2367 monitor_device_index++;
2368 }
2369
2370 struct device_config {
2371 enum {
2372 DEV_USB, /* -usbdevice */
2373 DEV_BT, /* -bt */
2374 DEV_SERIAL, /* -serial */
2375 DEV_PARALLEL, /* -parallel */
2376 DEV_VIRTCON, /* -virtioconsole */
2377 DEV_DEBUGCON, /* -debugcon */
2378 DEV_GDB, /* -gdb, -s */
2379 DEV_SCLP, /* s390 sclp */
2380 } type;
2381 const char *cmdline;
2382 Location loc;
2383 QTAILQ_ENTRY(device_config) next;
2384 };
2385
2386 static QTAILQ_HEAD(, device_config) device_configs =
2387 QTAILQ_HEAD_INITIALIZER(device_configs);
2388
2389 static void add_device_config(int type, const char *cmdline)
2390 {
2391 struct device_config *conf;
2392
2393 conf = g_malloc0(sizeof(*conf));
2394 conf->type = type;
2395 conf->cmdline = cmdline;
2396 loc_save(&conf->loc);
2397 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2398 }
2399
2400 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2401 {
2402 struct device_config *conf;
2403 int rc;
2404
2405 QTAILQ_FOREACH(conf, &device_configs, next) {
2406 if (conf->type != type)
2407 continue;
2408 loc_push_restore(&conf->loc);
2409 rc = func(conf->cmdline);
2410 loc_pop(&conf->loc);
2411 if (rc) {
2412 return rc;
2413 }
2414 }
2415 return 0;
2416 }
2417
2418 static int serial_parse(const char *devname)
2419 {
2420 int index = num_serial_hds;
2421 char label[32];
2422
2423 if (strcmp(devname, "none") == 0)
2424 return 0;
2425 snprintf(label, sizeof(label), "serial%d", index);
2426 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2427
2428 serial_hds[index] = qemu_chr_new(label, devname);
2429 if (!serial_hds[index]) {
2430 error_report("could not connect serial device"
2431 " to character backend '%s'", devname);
2432 return -1;
2433 }
2434 num_serial_hds++;
2435 return 0;
2436 }
2437
2438 Chardev *serial_hd(int i)
2439 {
2440 assert(i >= 0);
2441 if (i < num_serial_hds) {
2442 return serial_hds[i];
2443 }
2444 return NULL;
2445 }
2446
2447 int serial_max_hds(void)
2448 {
2449 return num_serial_hds;
2450 }
2451
2452 static int parallel_parse(const char *devname)
2453 {
2454 static int index = 0;
2455 char label[32];
2456
2457 if (strcmp(devname, "none") == 0)
2458 return 0;
2459 if (index == MAX_PARALLEL_PORTS) {
2460 error_report("too many parallel ports");
2461 exit(1);
2462 }
2463 snprintf(label, sizeof(label), "parallel%d", index);
2464 parallel_hds[index] = qemu_chr_new(label, devname);
2465 if (!parallel_hds[index]) {
2466 error_report("could not connect parallel device"
2467 " to character backend '%s'", devname);
2468 return -1;
2469 }
2470 index++;
2471 return 0;
2472 }
2473
2474 static int virtcon_parse(const char *devname)
2475 {
2476 QemuOptsList *device = qemu_find_opts("device");
2477 static int index = 0;
2478 char label[32];
2479 QemuOpts *bus_opts, *dev_opts;
2480
2481 if (strcmp(devname, "none") == 0)
2482 return 0;
2483 if (index == MAX_VIRTIO_CONSOLES) {
2484 error_report("too many virtio consoles");
2485 exit(1);
2486 }
2487
2488 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2489 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2490
2491 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2492 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2493
2494 snprintf(label, sizeof(label), "virtcon%d", index);
2495 virtcon_hds[index] = qemu_chr_new(label, devname);
2496 if (!virtcon_hds[index]) {
2497 error_report("could not connect virtio console"
2498 " to character backend '%s'", devname);
2499 return -1;
2500 }
2501 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2502
2503 index++;
2504 return 0;
2505 }
2506
2507 static int debugcon_parse(const char *devname)
2508 {
2509 QemuOpts *opts;
2510
2511 if (!qemu_chr_new("debugcon", devname)) {
2512 exit(1);
2513 }
2514 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2515 if (!opts) {
2516 error_report("already have a debugcon device");
2517 exit(1);
2518 }
2519 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2520 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2521 return 0;
2522 }
2523
2524 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2525 {
2526 const MachineClass *mc1 = a, *mc2 = b;
2527 int res;
2528
2529 if (mc1->family == NULL) {
2530 if (mc2->family == NULL) {
2531 /* Compare standalone machine types against each other; they sort
2532 * in increasing order.
2533 */
2534 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2535 object_class_get_name(OBJECT_CLASS(mc2)));
2536 }
2537
2538 /* Standalone machine types sort after families. */
2539 return 1;
2540 }
2541
2542 if (mc2->family == NULL) {
2543 /* Families sort before standalone machine types. */
2544 return -1;
2545 }
2546
2547 /* Families sort between each other alphabetically increasingly. */
2548 res = strcmp(mc1->family, mc2->family);
2549 if (res != 0) {
2550 return res;
2551 }
2552
2553 /* Within the same family, machine types sort in decreasing order. */
2554 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2555 object_class_get_name(OBJECT_CLASS(mc1)));
2556 }
2557
2558 static MachineClass *machine_parse(const char *name)
2559 {
2560 MachineClass *mc = NULL;
2561 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2562
2563 if (name) {
2564 mc = find_machine(name);
2565 }
2566 if (mc) {
2567 g_slist_free(machines);
2568 return mc;
2569 }
2570 if (name && !is_help_option(name)) {
2571 error_report("unsupported machine type");
2572 error_printf("Use -machine help to list supported machines\n");
2573 } else {
2574 printf("Supported machines are:\n");
2575 machines = g_slist_sort(machines, machine_class_cmp);
2576 for (el = machines; el; el = el->next) {
2577 MachineClass *mc = el->data;
2578 if (mc->alias) {
2579 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2580 }
2581 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2582 mc->is_default ? " (default)" : "",
2583 mc->deprecation_reason ? " (deprecated)" : "");
2584 }
2585 }
2586
2587 g_slist_free(machines);
2588 exit(!name || !is_help_option(name));
2589 }
2590
2591 void qemu_add_exit_notifier(Notifier *notify)
2592 {
2593 notifier_list_add(&exit_notifiers, notify);
2594 }
2595
2596 void qemu_remove_exit_notifier(Notifier *notify)
2597 {
2598 notifier_remove(notify);
2599 }
2600
2601 static void qemu_run_exit_notifiers(void)
2602 {
2603 notifier_list_notify(&exit_notifiers, NULL);
2604 }
2605
2606 bool machine_init_done;
2607
2608 void qemu_add_machine_init_done_notifier(Notifier *notify)
2609 {
2610 notifier_list_add(&machine_init_done_notifiers, notify);
2611 if (machine_init_done) {
2612 notify->notify(notify, NULL);
2613 }
2614 }
2615
2616 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2617 {
2618 notifier_remove(notify);
2619 }
2620
2621 static void qemu_run_machine_init_done_notifiers(void)
2622 {
2623 machine_init_done = true;
2624 notifier_list_notify(&machine_init_done_notifiers, NULL);
2625 }
2626
2627 static const QEMUOption *lookup_opt(int argc, char **argv,
2628 const char **poptarg, int *poptind)
2629 {
2630 const QEMUOption *popt;
2631 int optind = *poptind;
2632 char *r = argv[optind];
2633 const char *optarg;
2634
2635 loc_set_cmdline(argv, optind, 1);
2636 optind++;
2637 /* Treat --foo the same as -foo. */
2638 if (r[1] == '-')
2639 r++;
2640 popt = qemu_options;
2641 for(;;) {
2642 if (!popt->name) {
2643 error_report("invalid option");
2644 exit(1);
2645 }
2646 if (!strcmp(popt->name, r + 1))
2647 break;
2648 popt++;
2649 }
2650 if (popt->flags & HAS_ARG) {
2651 if (optind >= argc) {
2652 error_report("requires an argument");
2653 exit(1);
2654 }
2655 optarg = argv[optind++];
2656 loc_set_cmdline(argv, optind - 2, 2);
2657 } else {
2658 optarg = NULL;
2659 }
2660
2661 *poptarg = optarg;
2662 *poptind = optind;
2663
2664 return popt;
2665 }
2666
2667 static MachineClass *select_machine(void)
2668 {
2669 MachineClass *machine_class = find_default_machine();
2670 const char *optarg;
2671 QemuOpts *opts;
2672 Location loc;
2673
2674 loc_push_none(&loc);
2675
2676 opts = qemu_get_machine_opts();
2677 qemu_opts_loc_restore(opts);
2678
2679 optarg = qemu_opt_get(opts, "type");
2680 if (optarg) {
2681 machine_class = machine_parse(optarg);
2682 }
2683
2684 if (!machine_class) {
2685 error_report("No machine specified, and there is no default");
2686 error_printf("Use -machine help to list supported machines\n");
2687 exit(1);
2688 }
2689
2690 loc_pop(&loc);
2691 return machine_class;
2692 }
2693
2694 static int machine_set_property(void *opaque,
2695 const char *name, const char *value,
2696 Error **errp)
2697 {
2698 Object *obj = OBJECT(opaque);
2699 Error *local_err = NULL;
2700 char *p, *qom_name;
2701
2702 if (strcmp(name, "type") == 0) {
2703 return 0;
2704 }
2705
2706 qom_name = g_strdup(name);
2707 for (p = qom_name; *p; p++) {
2708 if (*p == '_') {
2709 *p = '-';
2710 }
2711 }
2712
2713 object_property_parse(obj, value, qom_name, &local_err);
2714 g_free(qom_name);
2715
2716 if (local_err) {
2717 error_report_err(local_err);
2718 return -1;
2719 }
2720
2721 return 0;
2722 }
2723
2724
2725 /*
2726 * Initial object creation happens before all other
2727 * QEMU data types are created. The majority of objects
2728 * can be created at this point. The rng-egd object
2729 * cannot be created here, as it depends on the chardev
2730 * already existing.
2731 */
2732 static bool object_create_initial(const char *type)
2733 {
2734 if (g_str_equal(type, "rng-egd") ||
2735 g_str_has_prefix(type, "pr-manager-")) {
2736 return false;
2737 }
2738
2739 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2740 if (g_str_equal(type, "cryptodev-vhost-user")) {
2741 return false;
2742 }
2743 #endif
2744
2745 /*
2746 * return false for concrete netfilters since
2747 * they depend on netdevs already existing
2748 */
2749 if (g_str_equal(type, "filter-buffer") ||
2750 g_str_equal(type, "filter-dump") ||
2751 g_str_equal(type, "filter-mirror") ||
2752 g_str_equal(type, "filter-redirector") ||
2753 g_str_equal(type, "colo-compare") ||
2754 g_str_equal(type, "filter-rewriter") ||
2755 g_str_equal(type, "filter-replay")) {
2756 return false;
2757 }
2758
2759 /* Memory allocation by backends needs to be done
2760 * after configure_accelerator() (due to the tcg_enabled()
2761 * checks at memory_region_init_*()).
2762 *
2763 * Also, allocation of large amounts of memory may delay
2764 * chardev initialization for too long, and trigger timeouts
2765 * on software that waits for a monitor socket to be created
2766 * (e.g. libvirt).
2767 */
2768 if (g_str_has_prefix(type, "memory-backend-")) {
2769 return false;
2770 }
2771
2772 return true;
2773 }
2774
2775
2776 /*
2777 * The remainder of object creation happens after the
2778 * creation of chardev, fsdev, net clients and device data types.
2779 */
2780 static bool object_create_delayed(const char *type)
2781 {
2782 return !object_create_initial(type);
2783 }
2784
2785
2786 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2787 MachineClass *mc)
2788 {
2789 uint64_t sz;
2790 const char *mem_str;
2791 const ram_addr_t default_ram_size = mc->default_ram_size;
2792 QemuOpts *opts = qemu_find_opts_singleton("memory");
2793 Location loc;
2794
2795 loc_push_none(&loc);
2796 qemu_opts_loc_restore(opts);
2797
2798 sz = 0;
2799 mem_str = qemu_opt_get(opts, "size");
2800 if (mem_str) {
2801 if (!*mem_str) {
2802 error_report("missing 'size' option value");
2803 exit(EXIT_FAILURE);
2804 }
2805
2806 sz = qemu_opt_get_size(opts, "size", ram_size);
2807
2808 /* Fix up legacy suffix-less format */
2809 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2810 uint64_t overflow_check = sz;
2811
2812 sz *= MiB;
2813 if (sz / MiB != overflow_check) {
2814 error_report("too large 'size' option value");
2815 exit(EXIT_FAILURE);
2816 }
2817 }
2818 }
2819
2820 /* backward compatibility behaviour for case "-m 0" */
2821 if (sz == 0) {
2822 sz = default_ram_size;
2823 }
2824
2825 sz = QEMU_ALIGN_UP(sz, 8192);
2826 ram_size = sz;
2827 if (ram_size != sz) {
2828 error_report("ram size too large");
2829 exit(EXIT_FAILURE);
2830 }
2831
2832 /* store value for the future use */
2833 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2834 *maxram_size = ram_size;
2835
2836 if (qemu_opt_get(opts, "maxmem")) {
2837 uint64_t slots;
2838
2839 sz = qemu_opt_get_size(opts, "maxmem", 0);
2840 slots = qemu_opt_get_number(opts, "slots", 0);
2841 if (sz < ram_size) {
2842 error_report("invalid value of -m option maxmem: "
2843 "maximum memory size (0x%" PRIx64 ") must be at least "
2844 "the initial memory size (0x" RAM_ADDR_FMT ")",
2845 sz, ram_size);
2846 exit(EXIT_FAILURE);
2847 } else if (slots && sz == ram_size) {
2848 error_report("invalid value of -m option maxmem: "
2849 "memory slots were specified but maximum memory size "
2850 "(0x%" PRIx64 ") is equal to the initial memory size "
2851 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2852 exit(EXIT_FAILURE);
2853 }
2854
2855 *maxram_size = sz;
2856 *ram_slots = slots;
2857 } else if (qemu_opt_get(opts, "slots")) {
2858 error_report("invalid -m option value: missing 'maxmem' option");
2859 exit(EXIT_FAILURE);
2860 }
2861
2862 loc_pop(&loc);
2863 }
2864
2865 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2866 {
2867 GlobalProperty *g;
2868
2869 g = g_malloc0(sizeof(*g));
2870 g->driver = qemu_opt_get(opts, "driver");
2871 g->property = qemu_opt_get(opts, "property");
2872 g->value = qemu_opt_get(opts, "value");
2873 g->user_provided = true;
2874 g->errp = &error_fatal;
2875 qdev_prop_register_global(g);
2876 return 0;
2877 }
2878
2879 static int qemu_read_default_config_file(void)
2880 {
2881 int ret;
2882
2883 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2884 if (ret < 0 && ret != -ENOENT) {
2885 return ret;
2886 }
2887
2888 return 0;
2889 }
2890
2891 static void user_register_global_props(void)
2892 {
2893 qemu_opts_foreach(qemu_find_opts("global"),
2894 global_init_func, NULL, NULL);
2895 }
2896
2897 /*
2898 * Note: we should see that these properties are actually having a
2899 * priority: accel < machine < user. This means e.g. when user
2900 * specifies something in "-global", it'll always be used with highest
2901 * priority than either machine/accelerator compat properties.
2902 */
2903 static void register_global_properties(MachineState *ms)
2904 {
2905 accel_register_compat_props(ms->accelerator);
2906 machine_register_compat_props(ms);
2907 user_register_global_props();
2908 }
2909
2910 int main(int argc, char **argv, char **envp)
2911 {
2912 int i;
2913 int snapshot, linux_boot;
2914 const char *initrd_filename;
2915 const char *kernel_filename, *kernel_cmdline;
2916 const char *boot_order = NULL;
2917 const char *boot_once = NULL;
2918 DisplayState *ds;
2919 QemuOpts *opts, *machine_opts;
2920 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2921 QemuOptsList *olist;
2922 int optind;
2923 const char *optarg;
2924 const char *loadvm = NULL;
2925 MachineClass *machine_class;
2926 const char *cpu_model;
2927 const char *vga_model = NULL;
2928 const char *qtest_chrdev = NULL;
2929 const char *qtest_log = NULL;
2930 const char *pid_file = NULL;
2931 const char *incoming = NULL;
2932 bool userconfig = true;
2933 bool nographic = false;
2934 int display_remote = 0;
2935 const char *log_mask = NULL;
2936 const char *log_file = NULL;
2937 char *trace_file = NULL;
2938 ram_addr_t maxram_size;
2939 uint64_t ram_slots = 0;
2940 FILE *vmstate_dump_file = NULL;
2941 Error *main_loop_err = NULL;
2942 Error *err = NULL;
2943 bool list_data_dirs = false;
2944 char *dir, **dirs;
2945 typedef struct BlockdevOptions_queue {
2946 BlockdevOptions *bdo;
2947 Location loc;
2948 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2949 } BlockdevOptions_queue;
2950 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2951 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2952
2953 module_call_init(MODULE_INIT_TRACE);
2954
2955 qemu_init_cpu_list();
2956 qemu_init_cpu_loop();
2957
2958 qemu_mutex_lock_iothread();
2959
2960 atexit(qemu_run_exit_notifiers);
2961 error_set_progname(argv[0]);
2962 qemu_init_exec_dir(argv[0]);
2963
2964 module_call_init(MODULE_INIT_QOM);
2965
2966 qemu_add_opts(&qemu_drive_opts);
2967 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2968 qemu_add_drive_opts(&qemu_common_drive_opts);
2969 qemu_add_drive_opts(&qemu_drive_opts);
2970 qemu_add_drive_opts(&bdrv_runtime_opts);
2971 qemu_add_opts(&qemu_chardev_opts);
2972 qemu_add_opts(&qemu_device_opts);
2973 qemu_add_opts(&qemu_netdev_opts);
2974 qemu_add_opts(&qemu_nic_opts);
2975 qemu_add_opts(&qemu_net_opts);
2976 qemu_add_opts(&qemu_rtc_opts);
2977 qemu_add_opts(&qemu_global_opts);
2978 qemu_add_opts(&qemu_mon_opts);
2979 qemu_add_opts(&qemu_trace_opts);
2980 qemu_add_opts(&qemu_option_rom_opts);
2981 qemu_add_opts(&qemu_machine_opts);
2982 qemu_add_opts(&qemu_accel_opts);
2983 qemu_add_opts(&qemu_mem_opts);
2984 qemu_add_opts(&qemu_smp_opts);
2985 qemu_add_opts(&qemu_boot_opts);
2986 qemu_add_opts(&qemu_add_fd_opts);
2987 qemu_add_opts(&qemu_object_opts);
2988 qemu_add_opts(&qemu_tpmdev_opts);
2989 qemu_add_opts(&qemu_realtime_opts);
2990 qemu_add_opts(&qemu_msg_opts);
2991 qemu_add_opts(&qemu_name_opts);
2992 qemu_add_opts(&qemu_numa_opts);
2993 qemu_add_opts(&qemu_icount_opts);
2994 qemu_add_opts(&qemu_semihosting_config_opts);
2995 qemu_add_opts(&qemu_fw_cfg_opts);
2996 module_call_init(MODULE_INIT_OPTS);
2997
2998 runstate_init();
2999 postcopy_infrastructure_init();
3000 monitor_init_globals();
3001
3002 if (qcrypto_init(&err) < 0) {
3003 error_reportf_err(err, "cannot initialize crypto: ");
3004 exit(1);
3005 }
3006 rtc_clock = QEMU_CLOCK_HOST;
3007
3008 QLIST_INIT (&vm_change_state_head);
3009 os_setup_early_signal_handling();
3010
3011 cpu_model = NULL;
3012 snapshot = 0;
3013
3014 nb_nics = 0;
3015
3016 bdrv_init_with_whitelist();
3017
3018 autostart = 1;
3019
3020 /* first pass of option parsing */
3021 optind = 1;
3022 while (optind < argc) {
3023 if (argv[optind][0] != '-') {
3024 /* disk image */
3025 optind++;
3026 } else {
3027 const QEMUOption *popt;
3028
3029 popt = lookup_opt(argc, argv, &optarg, &optind);
3030 switch (popt->index) {
3031 case QEMU_OPTION_nodefconfig:
3032 case QEMU_OPTION_nouserconfig:
3033 userconfig = false;
3034 break;
3035 }
3036 }
3037 }
3038
3039 if (userconfig) {
3040 if (qemu_read_default_config_file() < 0) {
3041 exit(1);
3042 }
3043 }
3044
3045 /* second pass of option parsing */
3046 optind = 1;
3047 for(;;) {
3048 if (optind >= argc)
3049 break;
3050 if (argv[optind][0] != '-') {
3051 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3052 } else {
3053 const QEMUOption *popt;
3054
3055 popt = lookup_opt(argc, argv, &optarg, &optind);
3056 if (!(popt->arch_mask & arch_type)) {
3057 error_report("Option not supported for this target");
3058 exit(1);
3059 }
3060 switch(popt->index) {
3061 case QEMU_OPTION_cpu:
3062 /* hw initialization will check this */
3063 cpu_model = optarg;
3064 break;
3065 case QEMU_OPTION_hda:
3066 case QEMU_OPTION_hdb:
3067 case QEMU_OPTION_hdc:
3068 case QEMU_OPTION_hdd:
3069 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3070 HD_OPTS);
3071 break;
3072 case QEMU_OPTION_blockdev:
3073 {
3074 Visitor *v;
3075 BlockdevOptions_queue *bdo;
3076
3077 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3078 if (!v) {
3079 error_report_err(err);
3080 exit(1);
3081 }
3082
3083 bdo = g_new(BlockdevOptions_queue, 1);
3084 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3085 &error_fatal);
3086 visit_free(v);
3087 loc_save(&bdo->loc);
3088 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3089 break;
3090 }
3091 case QEMU_OPTION_drive:
3092 if (drive_def(optarg) == NULL) {
3093 exit(1);
3094 }
3095 break;
3096 case QEMU_OPTION_set:
3097 if (qemu_set_option(optarg) != 0)
3098 exit(1);
3099 break;
3100 case QEMU_OPTION_global:
3101 if (qemu_global_option(optarg) != 0)
3102 exit(1);
3103 break;
3104 case QEMU_OPTION_mtdblock:
3105 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3106 break;
3107 case QEMU_OPTION_sd:
3108 drive_add(IF_SD, -1, optarg, SD_OPTS);
3109 break;
3110 case QEMU_OPTION_pflash:
3111 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3112 break;
3113 case QEMU_OPTION_snapshot:
3114 snapshot = 1;
3115 break;
3116 case QEMU_OPTION_numa:
3117 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3118 optarg, true);
3119 if (!opts) {
3120 exit(1);
3121 }
3122 break;
3123 case QEMU_OPTION_display:
3124 parse_display(optarg);
3125 break;
3126 case QEMU_OPTION_nographic:
3127 olist = qemu_find_opts("machine");
3128 qemu_opts_parse_noisily(olist, "graphics=off", false);
3129 nographic = true;
3130 dpy.type = DISPLAY_TYPE_NONE;
3131 break;
3132 case QEMU_OPTION_curses:
3133 #ifdef CONFIG_CURSES
3134 dpy.type = DISPLAY_TYPE_CURSES;
3135 #else
3136 error_report("curses support is disabled");
3137 exit(1);
3138 #endif
3139 break;
3140 case QEMU_OPTION_portrait:
3141 graphic_rotate = 90;
3142 break;
3143 case QEMU_OPTION_rotate:
3144 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3145 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3146 graphic_rotate != 180 && graphic_rotate != 270) {
3147 error_report("only 90, 180, 270 deg rotation is available");
3148 exit(1);
3149 }
3150 break;
3151 case QEMU_OPTION_kernel:
3152 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3153 &error_abort);
3154 break;
3155 case QEMU_OPTION_initrd:
3156 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3157 &error_abort);
3158 break;
3159 case QEMU_OPTION_append:
3160 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3161 &error_abort);
3162 break;
3163 case QEMU_OPTION_dtb:
3164 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3165 &error_abort);
3166 break;
3167 case QEMU_OPTION_cdrom:
3168 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3169 break;
3170 case QEMU_OPTION_boot:
3171 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3172 optarg, true);
3173 if (!opts) {
3174 exit(1);
3175 }
3176 break;
3177 case QEMU_OPTION_fda:
3178 case QEMU_OPTION_fdb:
3179 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3180 optarg, FD_OPTS);
3181 break;
3182 case QEMU_OPTION_no_fd_bootchk:
3183 fd_bootchk = 0;
3184 break;
3185 case QEMU_OPTION_netdev:
3186 default_net = 0;
3187 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3188 exit(1);
3189 }
3190 break;
3191 case QEMU_OPTION_nic:
3192 default_net = 0;
3193 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3194 exit(1);
3195 }
3196 break;
3197 case QEMU_OPTION_net:
3198 default_net = 0;
3199 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3200 exit(1);
3201 }
3202 break;
3203 #ifdef CONFIG_LIBISCSI
3204 case QEMU_OPTION_iscsi:
3205 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3206 optarg, false);
3207 if (!opts) {
3208 exit(1);
3209 }
3210 break;
3211 #endif
3212 #ifdef CONFIG_SLIRP
3213 case QEMU_OPTION_tftp:
3214 error_report("The -tftp option is deprecated. "
3215 "Please use '-netdev user,tftp=...' instead.");
3216 legacy_tftp_prefix = optarg;
3217 break;
3218 case QEMU_OPTION_bootp:
3219 error_report("The -bootp option is deprecated. "
3220 "Please use '-netdev user,bootfile=...' instead.");
3221 legacy_bootp_filename = optarg;
3222 break;
3223 case QEMU_OPTION_redir:
3224 error_report("The -redir option is deprecated. "
3225 "Please use '-netdev user,hostfwd=...' instead.");
3226 if (net_slirp_redir(optarg) < 0)
3227 exit(1);
3228 break;
3229 #endif
3230 case QEMU_OPTION_bt:
3231 add_device_config(DEV_BT, optarg);
3232 break;
3233 case QEMU_OPTION_audio_help:
3234 AUD_help ();
3235 exit (0);
3236 break;
3237 case QEMU_OPTION_soundhw:
3238 select_soundhw (optarg);
3239 break;
3240 case QEMU_OPTION_h:
3241 help(0);
3242 break;
3243 case QEMU_OPTION_version:
3244 version();
3245 exit(0);
3246 break;
3247 case QEMU_OPTION_m:
3248 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3249 optarg, true);
3250 if (!opts) {
3251 exit(EXIT_FAILURE);
3252 }
3253 break;
3254 #ifdef CONFIG_TPM
3255 case QEMU_OPTION_tpmdev:
3256 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3257 exit(1);
3258 }
3259 break;
3260 #endif
3261 case QEMU_OPTION_mempath:
3262 mem_path = optarg;
3263 break;
3264 case QEMU_OPTION_mem_prealloc:
3265 mem_prealloc = 1;
3266 break;
3267 case QEMU_OPTION_d:
3268 log_mask = optarg;
3269 break;
3270 case QEMU_OPTION_D:
3271 log_file = optarg;
3272 break;
3273 case QEMU_OPTION_DFILTER:
3274 qemu_set_dfilter_ranges(optarg, &error_fatal);
3275 break;
3276 case QEMU_OPTION_s:
3277 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3278 break;
3279 case QEMU_OPTION_gdb:
3280 add_device_config(DEV_GDB, optarg);
3281 break;
3282 case QEMU_OPTION_L:
3283 if (is_help_option(optarg)) {
3284 list_data_dirs = true;
3285 } else {
3286 qemu_add_data_dir(optarg);
3287 }
3288 break;
3289 case QEMU_OPTION_bios:
3290 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3291 &error_abort);
3292 break;
3293 case QEMU_OPTION_singlestep:
3294 singlestep = 1;
3295 break;
3296 case QEMU_OPTION_S:
3297 autostart = 0;
3298 break;
3299 case QEMU_OPTION_k:
3300 keyboard_layout = optarg;
3301 break;
3302 case QEMU_OPTION_localtime:
3303 rtc_utc = 0;
3304 warn_report("This option is deprecated, "
3305 "use '-rtc base=localtime' instead.");
3306 break;
3307 case QEMU_OPTION_vga:
3308 vga_model = optarg;
3309 default_vga = 0;
3310 break;
3311 case QEMU_OPTION_g:
3312 {
3313 const char *p;
3314 int w, h, depth;
3315 p = optarg;
3316 w = strtol(p, (char **)&p, 10);
3317 if (w <= 0) {
3318 graphic_error:
3319 error_report("invalid resolution or depth");
3320 exit(1);
3321 }
3322 if (*p != 'x')
3323 goto graphic_error;
3324 p++;
3325 h = strtol(p, (char **)&p, 10);
3326 if (h <= 0)
3327 goto graphic_error;
3328 if (*p == 'x') {
3329 p++;
3330 depth = strtol(p, (char **)&p, 10);
3331 if (depth != 8 && depth != 15 && depth != 16 &&
3332 depth != 24 && depth != 32)
3333 goto graphic_error;
3334 } else if (*p == '\0') {
3335 depth = graphic_depth;
3336 } else {
3337 goto graphic_error;
3338 }
3339
3340 graphic_width = w;
3341 graphic_height = h;
3342 graphic_depth = depth;
3343 }
3344 break;
3345 case QEMU_OPTION_echr:
3346 {
3347 char *r;
3348 term_escape_char = strtol(optarg, &r, 0);
3349 if (r == optarg)
3350 printf("Bad argument to echr\n");
3351 break;
3352 }
3353 case QEMU_OPTION_monitor:
3354 default_monitor = 0;
3355 if (strncmp(optarg, "none", 4)) {
3356 monitor_parse(optarg, "readline", false);
3357 }
3358 break;
3359 case QEMU_OPTION_qmp:
3360 monitor_parse(optarg, "control", false);
3361 default_monitor = 0;
3362 break;
3363 case QEMU_OPTION_qmp_pretty:
3364 monitor_parse(optarg, "control", true);
3365 default_monitor = 0;
3366 break;
3367 case QEMU_OPTION_mon:
3368 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3369 true);
3370 if (!opts) {
3371 exit(1);
3372 }
3373 default_monitor = 0;
3374 break;
3375 case QEMU_OPTION_chardev:
3376 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3377 optarg, true);
3378 if (!opts) {
3379 exit(1);
3380 }
3381 break;
3382 case QEMU_OPTION_fsdev:
3383 olist = qemu_find_opts("fsdev");
3384 if (!olist) {
3385 error_report("fsdev support is disabled");
3386 exit(1);
3387 }
3388 opts = qemu_opts_parse_noisily(olist, optarg, true);
3389 if (!opts) {
3390 exit(1);
3391 }
3392 break;
3393 case QEMU_OPTION_virtfs: {
3394 QemuOpts *fsdev;
3395 QemuOpts *device;
3396 const char *writeout, *sock_fd, *socket, *path, *security_model;
3397
3398 olist = qemu_find_opts("virtfs");
3399 if (!olist) {
3400 error_report("virtfs support is disabled");
3401 exit(1);
3402 }
3403 opts = qemu_opts_parse_noisily(olist, optarg, true);
3404 if (!opts) {
3405 exit(1);
3406 }
3407
3408 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3409 qemu_opt_get(opts, "mount_tag") == NULL) {
3410 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3411 exit(1);
3412 }
3413 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3414 qemu_opts_id(opts) ?:
3415 qemu_opt_get(opts, "mount_tag"),
3416 1, NULL);
3417 if (!fsdev) {
3418 error_report("duplicate or invalid fsdev id: %s",
3419 qemu_opt_get(opts, "mount_tag"));
3420 exit(1);
3421 }
3422
3423 writeout = qemu_opt_get(opts, "writeout");
3424 if (writeout) {
3425 #ifdef CONFIG_SYNC_FILE_RANGE
3426 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3427 #else
3428 error_report("writeout=immediate not supported "
3429 "on this platform");
3430 exit(1);
3431 #endif
3432 }
3433 qemu_opt_set(fsdev, "fsdriver",
3434 qemu_opt_get(opts, "fsdriver"), &error_abort);
3435 path = qemu_opt_get(opts, "path");
3436 if (path) {
3437 qemu_opt_set(fsdev, "path", path, &error_abort);
3438 }
3439 security_model = qemu_opt_get(opts, "security_model");
3440 if (security_model) {
3441 qemu_opt_set(fsdev, "security_model", security_model,
3442 &error_abort);
3443 }
3444 socket = qemu_opt_get(opts, "socket");
3445 if (socket) {
3446 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3447 }
3448 sock_fd = qemu_opt_get(opts, "sock_fd");
3449 if (sock_fd) {
3450 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3451 }
3452
3453 qemu_opt_set_bool(fsdev, "readonly",
3454 qemu_opt_get_bool(opts, "readonly", 0),
3455 &error_abort);
3456 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3457 &error_abort);
3458 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3459 qemu_opt_set(device, "fsdev",
3460 qemu_opts_id(fsdev), &error_abort);
3461 qemu_opt_set(device, "mount_tag",
3462 qemu_opt_get(opts, "mount_tag"), &error_abort);
3463 break;
3464 }
3465 case QEMU_OPTION_virtfs_synth: {
3466 QemuOpts *fsdev;
3467 QemuOpts *device;
3468
3469 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3470 1, NULL);
3471 if (!fsdev) {
3472 error_report("duplicate option: %s", "virtfs_synth");
3473 exit(1);
3474 }
3475 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3476
3477 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3478 &error_abort);
3479 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3480 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3481 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3482 break;
3483 }
3484 case QEMU_OPTION_serial:
3485 add_device_config(DEV_SERIAL, optarg);
3486 default_serial = 0;
3487 if (strncmp(optarg, "mon:", 4) == 0) {
3488 default_monitor = 0;
3489 }
3490 break;
3491 case QEMU_OPTION_watchdog:
3492 if (watchdog) {
3493 error_report("only one watchdog option may be given");
3494 return 1;
3495 }
3496 watchdog = optarg;
3497 break;
3498 case QEMU_OPTION_watchdog_action:
3499 if (select_watchdog_action(optarg) == -1) {
3500 error_report("unknown -watchdog-action parameter");
3501 exit(1);
3502 }
3503 break;
3504 case QEMU_OPTION_virtiocon:
3505 warn_report("This option is deprecated, "
3506 "use '-device virtconsole' instead");
3507 add_device_config(DEV_VIRTCON, optarg);
3508 default_virtcon = 0;
3509 if (strncmp(optarg, "mon:", 4) == 0) {
3510 default_monitor = 0;
3511 }
3512 break;
3513 case QEMU_OPTION_parallel:
3514 add_device_config(DEV_PARALLEL, optarg);
3515 default_parallel = 0;
3516 if (strncmp(optarg, "mon:", 4) == 0) {
3517 default_monitor = 0;
3518 }
3519 break;
3520 case QEMU_OPTION_debugcon:
3521 add_device_config(DEV_DEBUGCON, optarg);
3522 break;
3523 case QEMU_OPTION_loadvm:
3524 loadvm = optarg;
3525 break;
3526 case QEMU_OPTION_full_screen:
3527 dpy.has_full_screen = true;
3528 dpy.full_screen = true;
3529 break;
3530 case QEMU_OPTION_no_frame:
3531 g_printerr("The -no-frame switch is deprecated, and will be\n"
3532 "removed in a future release.\n");
3533 no_frame = 1;
3534 break;
3535 case QEMU_OPTION_alt_grab:
3536 alt_grab = 1;
3537 break;
3538 case QEMU_OPTION_ctrl_grab:
3539 ctrl_grab = 1;
3540 break;
3541 case QEMU_OPTION_no_quit:
3542 dpy.has_window_close = true;
3543 dpy.window_close = false;
3544 break;
3545 case QEMU_OPTION_sdl:
3546 #ifdef CONFIG_SDL
3547 dpy.type = DISPLAY_TYPE_SDL;
3548 break;
3549 #else
3550 error_report("SDL support is disabled");
3551 exit(1);
3552 #endif
3553 case QEMU_OPTION_pidfile:
3554 pid_file = optarg;
3555 break;
3556 case QEMU_OPTION_win2k_hack:
3557 win2k_install_hack = 1;
3558 break;
3559 case QEMU_OPTION_rtc_td_hack: {
3560 static GlobalProperty slew_lost_ticks = {
3561 .driver = "mc146818rtc",
3562 .property = "lost_tick_policy",
3563 .value = "slew",
3564 };
3565
3566 qdev_prop_register_global(&slew_lost_ticks);
3567 warn_report("This option is deprecated, "
3568 "use '-rtc driftfix=slew' instead.");
3569 break;
3570 }
3571 case QEMU_OPTION_acpitable:
3572 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3573 optarg, true);
3574 if (!opts) {
3575 exit(1);
3576 }
3577 acpi_table_add(opts, &error_fatal);
3578 break;
3579 case QEMU_OPTION_smbios:
3580 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3581 optarg, false);
3582 if (!opts) {
3583 exit(1);
3584 }
3585 smbios_entry_add(opts, &error_fatal);
3586 break;
3587 case QEMU_OPTION_fwcfg:
3588 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3589 optarg, true);
3590 if (opts == NULL) {
3591 exit(1);
3592 }
3593 break;
3594 case QEMU_OPTION_preconfig:
3595 preconfig_exit_requested = false;
3596 break;
3597 case QEMU_OPTION_enable_kvm:
3598 olist = qemu_find_opts("machine");
3599 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3600 break;
3601 case QEMU_OPTION_enable_hax:
3602 warn_report("Option is deprecated, use '-accel hax' instead");
3603 olist = qemu_find_opts("machine");
3604 qemu_opts_parse_noisily(olist, "accel=hax", false);
3605 break;
3606 case QEMU_OPTION_M:
3607 case QEMU_OPTION_machine:
3608 olist = qemu_find_opts("machine");
3609 opts = qemu_opts_parse_noisily(olist, optarg, true);
3610 if (!opts) {
3611 exit(1);
3612 }
3613 break;
3614 case QEMU_OPTION_no_kvm:
3615 olist = qemu_find_opts("machine");
3616 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3617 break;
3618 case QEMU_OPTION_accel:
3619 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3620 optarg, true);
3621 optarg = qemu_opt_get(accel_opts, "accel");
3622 if (!optarg || is_help_option(optarg)) {
3623 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3624 exit(0);
3625 }
3626 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3627 false, &error_abort);
3628 qemu_opt_set(opts, "accel", optarg, &error_abort);
3629 break;
3630 case QEMU_OPTION_usb:
3631 olist = qemu_find_opts("machine");
3632 qemu_opts_parse_noisily(olist, "usb=on", false);
3633 break;
3634 case QEMU_OPTION_usbdevice:
3635 error_report("'-usbdevice' is deprecated, please use "
3636 "'-device usb-...' instead");
3637 olist = qemu_find_opts("machine");
3638 qemu_opts_parse_noisily(olist, "usb=on", false);
3639 add_device_config(DEV_USB, optarg);
3640 break;
3641 case QEMU_OPTION_device:
3642 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3643 optarg, true)) {
3644 exit(1);
3645 }
3646 break;
3647 case QEMU_OPTION_smp:
3648 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3649 optarg, true)) {
3650 exit(1);
3651 }
3652 break;
3653 case QEMU_OPTION_vnc:
3654 vnc_parse(optarg, &error_fatal);
3655 break;
3656 case QEMU_OPTION_no_acpi:
3657 acpi_enabled = 0;
3658 break;
3659 case QEMU_OPTION_no_hpet:
3660 no_hpet = 1;
3661 break;
3662 case QEMU_OPTION_balloon:
3663 if (balloon_parse(optarg) < 0) {
3664 error_report("unknown -balloon argument %s", optarg);
3665 exit(1);
3666 }
3667 break;
3668 case QEMU_OPTION_no_reboot:
3669 no_reboot = 1;
3670 break;
3671 case QEMU_OPTION_no_shutdown:
3672 no_shutdown = 1;
3673 break;
3674 case QEMU_OPTION_show_cursor:
3675 cursor_hide = 0;
3676 break;
3677 case QEMU_OPTION_uuid:
3678 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3679 error_report("failed to parse UUID string: wrong format");
3680 exit(1);
3681 }
3682 qemu_uuid_set = true;
3683 break;
3684 case QEMU_OPTION_option_rom:
3685 if (nb_option_roms >= MAX_OPTION_ROMS) {
3686 error_report("too many option ROMs");
3687 exit(1);
3688 }
3689 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3690 optarg, true);
3691 if (!opts) {
3692 exit(1);
3693 }
3694 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3695 option_rom[nb_option_roms].bootindex =
3696 qemu_opt_get_number(opts, "bootindex", -1);
3697 if (!option_rom[nb_option_roms].name) {
3698 error_report("Option ROM file is not specified");
3699 exit(1);
3700 }
3701 nb_option_roms++;
3702 break;
3703 case QEMU_OPTION_semihosting:
3704 semihosting.enabled = true;
3705 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3706 break;
3707 case QEMU_OPTION_semihosting_config:
3708 semihosting.enabled = true;
3709 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3710 optarg, false);
3711 if (opts != NULL) {
3712 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3713 true);
3714 const char *target = qemu_opt_get(opts, "target");
3715 if (target != NULL) {
3716 if (strcmp("native", target) == 0) {
3717 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3718 } else if (strcmp("gdb", target) == 0) {
3719 semihosting.target = SEMIHOSTING_TARGET_GDB;
3720 } else if (strcmp("auto", target) == 0) {
3721 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3722 } else {
3723 error_report("unsupported semihosting-config %s",
3724 optarg);
3725 exit(1);
3726 }
3727 } else {
3728 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3729 }
3730 /* Set semihosting argument count and vector */
3731 qemu_opt_foreach(opts, add_semihosting_arg,
3732 &semihosting, NULL);
3733 } else {
3734 error_report("unsupported semihosting-config %s", optarg);
3735 exit(1);
3736 }
3737 break;
3738 case QEMU_OPTION_name:
3739 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3740 optarg, true);
3741 if (!opts) {
3742 exit(1);
3743 }
3744 break;
3745 case QEMU_OPTION_prom_env:
3746 if (nb_prom_envs >= MAX_PROM_ENVS) {
3747 error_report("too many prom variables");
3748 exit(1);
3749 }
3750 prom_envs[nb_prom_envs] = optarg;
3751 nb_prom_envs++;
3752 break;
3753 case QEMU_OPTION_old_param:
3754 old_param = 1;
3755 break;
3756 case QEMU_OPTION_clock:
3757 /* Clock options no longer exist. Keep this option for
3758 * backward compatibility.
3759 */
3760 warn_report("This option is ignored and will be removed soon");
3761 break;
3762 case QEMU_OPTION_startdate:
3763 warn_report("This option is deprecated, use '-rtc base=' instead.");
3764 configure_rtc_date_offset(optarg, 1);
3765 break;
3766 case QEMU_OPTION_rtc:
3767 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3768 false);
3769 if (!opts) {
3770 exit(1);
3771 }
3772 configure_rtc(opts);
3773 break;
3774 case QEMU_OPTION_tb_size:
3775 #ifndef CONFIG_TCG
3776 error_report("TCG is disabled");
3777 exit(1);
3778 #endif
3779 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3780 error_report("Invalid argument to -tb-size");
3781 exit(1);
3782 }
3783 break;
3784 case QEMU_OPTION_icount:
3785 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3786 optarg, true);
3787 if (!icount_opts) {
3788 exit(1);
3789 }
3790 break;
3791 case QEMU_OPTION_incoming:
3792 if (!incoming) {
3793 runstate_set(RUN_STATE_INMIGRATE);
3794 }
3795 incoming = optarg;
3796 break;
3797 case QEMU_OPTION_only_migratable:
3798 /*
3799 * TODO: we can remove this option one day, and we
3800 * should all use:
3801 *
3802 * "-global migration.only-migratable=true"
3803 */
3804 qemu_global_option("migration.only-migratable=true");
3805 break;
3806 case QEMU_OPTION_nodefaults:
3807 has_defaults = 0;
3808 break;
3809 case QEMU_OPTION_xen_domid:
3810 if (!(xen_available())) {
3811 error_report("Option not supported for this target");
3812 exit(1);
3813 }
3814 xen_domid = atoi(optarg);
3815 break;
3816 case QEMU_OPTION_xen_create:
3817 if (!(xen_available())) {
3818 error_report("Option not supported for this target");
3819 exit(1);
3820 }
3821 xen_mode = XEN_CREATE;
3822 break;
3823 case QEMU_OPTION_xen_attach:
3824 if (!(xen_available())) {
3825 error_report("Option not supported for this target");
3826 exit(1);
3827 }
3828 xen_mode = XEN_ATTACH;
3829 break;
3830 case QEMU_OPTION_xen_domid_restrict:
3831 if (!(xen_available())) {
3832 error_report("Option not supported for this target");
3833 exit(1);
3834 }
3835 xen_domid_restrict = true;
3836 break;
3837 case QEMU_OPTION_trace:
3838 g_free(trace_file);
3839 trace_file = trace_opt_parse(optarg);
3840 break;
3841 case QEMU_OPTION_readconfig:
3842 {
3843 int ret = qemu_read_config_file(optarg);
3844 if (ret < 0) {
3845 error_report("read config %s: %s", optarg,
3846 strerror(-ret));
3847 exit(1);
3848 }
3849 break;
3850 }
3851 case QEMU_OPTION_spice:
3852 olist = qemu_find_opts("spice");
3853 if (!olist) {
3854 error_report("spice support is disabled");
3855 exit(1);
3856 }
3857 opts = qemu_opts_parse_noisily(olist, optarg, false);
3858 if (!opts) {
3859 exit(1);
3860 }
3861 display_remote++;
3862 break;
3863 case QEMU_OPTION_writeconfig:
3864 {
3865 FILE *fp;
3866 if (strcmp(optarg, "-") == 0) {
3867 fp = stdout;
3868 } else {
3869 fp = fopen(optarg, "w");
3870 if (fp == NULL) {
3871 error_report("open %s: %s", optarg,
3872 strerror(errno));
3873 exit(1);
3874 }
3875 }
3876 qemu_config_write(fp);
3877 if (fp != stdout) {
3878 fclose(fp);
3879 }
3880 break;
3881 }
3882 case QEMU_OPTION_qtest:
3883 qtest_chrdev = optarg;
3884 break;
3885 case QEMU_OPTION_qtest_log:
3886 qtest_log = optarg;
3887 break;
3888 case QEMU_OPTION_sandbox:
3889 #ifdef CONFIG_SECCOMP
3890 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3891 optarg, true);
3892 if (!opts) {
3893 exit(1);
3894 }
3895 #else
3896 error_report("-sandbox support is not enabled "
3897 "in this QEMU binary");
3898 exit(1);
3899 #endif
3900 break;
3901 case QEMU_OPTION_add_fd:
3902 #ifndef _WIN32
3903 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3904 optarg, false);
3905 if (!opts) {
3906 exit(1);
3907 }
3908 #else
3909 error_report("File descriptor passing is disabled on this "
3910 "platform");
3911 exit(1);
3912 #endif
3913 break;
3914 case QEMU_OPTION_object:
3915 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3916 optarg, true);
3917 if (!opts) {
3918 exit(1);
3919 }
3920 break;
3921 case QEMU_OPTION_realtime:
3922 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3923 optarg, false);
3924 if (!opts) {
3925 exit(1);
3926 }
3927 /* Don't override the -overcommit option if set */
3928 enable_mlock = enable_mlock ||
3929 qemu_opt_get_bool(opts, "mlock", true);
3930 break;
3931 case QEMU_OPTION_overcommit:
3932 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3933 optarg, false);
3934 if (!opts) {
3935 exit(1);
3936 }
3937 /* Don't override the -realtime option if set */
3938 enable_mlock = enable_mlock ||
3939 qemu_opt_get_bool(opts, "mem-lock", false);
3940 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3941 break;
3942 case QEMU_OPTION_msg:
3943 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3944 false);
3945 if (!opts) {
3946 exit(1);
3947 }
3948 configure_msg(opts);
3949 break;
3950 case QEMU_OPTION_dump_vmstate:
3951 if (vmstate_dump_file) {
3952 error_report("only one '-dump-vmstate' "
3953 "option may be given");
3954 exit(1);
3955 }
3956 vmstate_dump_file = fopen(optarg, "w");
3957 if (vmstate_dump_file == NULL) {
3958 error_report("open %s: %s", optarg, strerror(errno));
3959 exit(1);
3960 }
3961 break;
3962 case QEMU_OPTION_nodefconfig:
3963 case QEMU_OPTION_nouserconfig:
3964 /* Nothing to be parsed here. Especially, do not error out below. */
3965 break;
3966 default:
3967 if (os_parse_cmd_args(popt->index, optarg)) {
3968 error_report("Option not supported in this build");
3969 exit(1);
3970 }
3971 }
3972 }
3973 }
3974 /*
3975 * Clear error location left behind by the loop.
3976 * Best done right after the loop. Do not insert code here!
3977 */
3978 loc_set_none();
3979
3980 replay_configure(icount_opts);
3981
3982 if (incoming && !preconfig_exit_requested) {
3983 error_report("'preconfig' and 'incoming' options are "
3984 "mutually exclusive");
3985 exit(EXIT_FAILURE);
3986 }
3987
3988 machine_class = select_machine();
3989
3990 set_memory_options(&ram_slots, &maxram_size, machine_class);
3991
3992 os_daemonize();
3993 rcu_disable_atfork();
3994
3995 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3996 error_report("could not acquire pid file: %s", strerror(errno));
3997 exit(1);
3998 }
3999
4000 if (qemu_init_main_loop(&main_loop_err)) {
4001 error_report_err(main_loop_err);
4002 exit(1);
4003 }
4004
4005 #ifdef CONFIG_SECCOMP
4006 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4007 parse_sandbox, NULL, NULL)) {
4008 exit(1);
4009 }
4010 #endif
4011
4012 if (qemu_opts_foreach(qemu_find_opts("name"),
4013 parse_name, NULL, NULL)) {
4014 exit(1);
4015 }
4016
4017 #ifndef _WIN32
4018 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4019 parse_add_fd, NULL, NULL)) {
4020 exit(1);
4021 }
4022
4023 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4024 cleanup_add_fd, NULL, NULL)) {
4025 exit(1);
4026 }
4027 #endif
4028
4029 current_machine = MACHINE(object_new(object_class_get_name(
4030 OBJECT_CLASS(machine_class))));
4031 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4032 exit(0);
4033 }
4034 object_property_add_child(object_get_root(), "machine",
4035 OBJECT(current_machine), &error_abort);
4036
4037 if (machine_class->minimum_page_bits) {
4038 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4039 /* This would be a board error: specifying a minimum smaller than
4040 * a target's compile-time fixed setting.
4041 */
4042 g_assert_not_reached();
4043 }
4044 }
4045
4046 cpu_exec_init_all();
4047
4048 if (machine_class->hw_version) {
4049 qemu_set_hw_version(machine_class->hw_version);
4050 }
4051
4052 if (cpu_model && is_help_option(cpu_model)) {
4053 list_cpus(stdout, &fprintf, cpu_model);
4054 exit(0);
4055 }
4056
4057 if (!trace_init_backends()) {
4058 exit(1);
4059 }
4060 trace_init_file(trace_file);
4061
4062 /* Open the logfile at this point and set the log mask if necessary.
4063 */
4064 if (log_file) {
4065 qemu_set_log_filename(log_file, &error_fatal);
4066 }
4067
4068 if (log_mask) {
4069 int mask;
4070 mask = qemu_str_to_log_mask(log_mask);
4071 if (!mask) {
4072 qemu_print_log_usage(stdout);
4073 exit(1);
4074 }
4075 qemu_set_log(mask);
4076 } else {
4077 qemu_set_log(0);
4078 }
4079
4080 /* add configured firmware directories */
4081 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4082 for (i = 0; dirs[i] != NULL; i++) {
4083 qemu_add_data_dir(dirs[i]);
4084 }
4085 g_strfreev(dirs);
4086
4087 /* try to find datadir relative to the executable path */
4088 dir = os_find_datadir();
4089 qemu_add_data_dir(dir);
4090 g_free(dir);
4091
4092 /* add the datadir specified when building */
4093 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4094
4095 /* -L help lists the data directories and exits. */
4096 if (list_data_dirs) {
4097 for (i = 0; i < data_dir_idx; i++) {
4098 printf("%s\n", data_dir[i]);
4099 }
4100 exit(0);
4101 }
4102
4103 /* machine_class: default to UP */
4104 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4105 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4106 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4107
4108 /* default to machine_class->default_cpus */
4109 smp_cpus = machine_class->default_cpus;
4110 max_cpus = machine_class->default_cpus;
4111
4112 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4113
4114 /* sanity-check smp_cpus and max_cpus against machine_class */
4115 if (smp_cpus < machine_class->min_cpus) {
4116 error_report("Invalid SMP CPUs %d. The min CPUs "
4117 "supported by machine '%s' is %d", smp_cpus,
4118 machine_class->name, machine_class->min_cpus);
4119 exit(1);
4120 }
4121 if (max_cpus > machine_class->max_cpus) {
4122 error_report("Invalid SMP CPUs %d. The max CPUs "
4123 "supported by machine '%s' is %d", max_cpus,
4124 machine_class->name, machine_class->max_cpus);
4125 exit(1);
4126 }
4127
4128 /*
4129 * Get the default machine options from the machine if it is not already
4130 * specified either by the configuration file or by the command line.
4131 */
4132 if (machine_class->default_machine_opts) {
4133 qemu_opts_set_defaults(qemu_find_opts("machine"),
4134 machine_class->default_machine_opts, 0);
4135 }
4136
4137 qemu_opts_foreach(qemu_find_opts("device"),
4138 default_driver_check, NULL, NULL);
4139 qemu_opts_foreach(qemu_find_opts("global"),
4140 default_driver_check, NULL, NULL);
4141
4142 if (!vga_model && !default_vga) {
4143 vga_interface_type = VGA_DEVICE;
4144 }
4145 if (!has_defaults || machine_class->no_serial) {
4146 default_serial = 0;
4147 }
4148 if (!has_defaults || machine_class->no_parallel) {
4149 default_parallel = 0;
4150 }
4151 if (!has_defaults || !machine_class->use_virtcon) {
4152 default_virtcon = 0;
4153 }
4154 if (!has_defaults || machine_class->no_floppy) {
4155 default_floppy = 0;
4156 }
4157 if (!has_defaults || machine_class->no_cdrom) {
4158 default_cdrom = 0;
4159 }
4160 if (!has_defaults || machine_class->no_sdcard) {
4161 default_sdcard = 0;
4162 }
4163 if (!has_defaults) {
4164 default_monitor = 0;
4165 default_net = 0;
4166 default_vga = 0;
4167 }
4168
4169 if (is_daemonized()) {
4170 if (!preconfig_exit_requested) {
4171 error_report("'preconfig' and 'daemonize' options are "
4172 "mutually exclusive");
4173 exit(EXIT_FAILURE);
4174 }
4175
4176 /* According to documentation and historically, -nographic redirects
4177 * serial port, parallel port and monitor to stdio, which does not work
4178 * with -daemonize. We can redirect these to null instead, but since
4179 * -nographic is legacy, let's just error out.
4180 * We disallow -nographic only if all other ports are not redirected
4181 * explicitly, to not break existing legacy setups which uses
4182 * -nographic _and_ redirects all ports explicitly - this is valid
4183 * usage, -nographic is just a no-op in this case.
4184 */
4185 if (nographic
4186 && (default_parallel || default_serial
4187 || default_monitor || default_virtcon)) {
4188 error_report("-nographic cannot be used with -daemonize");
4189 exit(1);
4190 }
4191 #ifdef CONFIG_CURSES
4192 if (dpy.type == DISPLAY_TYPE_CURSES) {
4193 error_report("curses display cannot be used with -daemonize");
4194 exit(1);
4195 }
4196 #endif
4197 }
4198
4199 if (nographic) {
4200 if (default_parallel)
4201 add_device_config(DEV_PARALLEL, "null");
4202 if (default_serial && default_monitor) {
4203 add_device_config(DEV_SERIAL, "mon:stdio");
4204 } else if (default_virtcon && default_monitor) {
4205 add_device_config(DEV_VIRTCON, "mon:stdio");
4206 } else {
4207 if (default_serial)
4208 add_device_config(DEV_SERIAL, "stdio");
4209 if (default_virtcon)
4210 add_device_config(DEV_VIRTCON, "stdio");
4211 if (default_monitor)
4212 monitor_parse("stdio", "readline", false);
4213 }
4214 } else {
4215 if (default_serial)
4216 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4217 if (default_parallel)
4218 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4219 if (default_monitor)
4220 monitor_parse("vc:80Cx24C", "readline", false);
4221 if (default_virtcon)
4222 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4223 }
4224
4225 #if defined(CONFIG_VNC)
4226 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4227 display_remote++;
4228 }
4229 #endif
4230 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4231 if (!qemu_display_find_default(&dpy)) {
4232 dpy.type = DISPLAY_TYPE_NONE;
4233 #if defined(CONFIG_VNC)
4234 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4235 #endif
4236 }
4237 }
4238 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4239 dpy.type = DISPLAY_TYPE_NONE;
4240 }
4241
4242 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4243 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4244 "for SDL, ignoring option");
4245 }
4246 if (dpy.has_window_close &&
4247 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4248 error_report("-no-quit is only valid for GTK and SDL, "
4249 "ignoring option");
4250 }
4251
4252 qemu_display_early_init(&dpy);
4253 qemu_console_early_init();
4254
4255 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4256 #if defined(CONFIG_OPENGL)
4257 error_report("OpenGL is not supported by the display");
4258 #else
4259 error_report("OpenGL support is disabled");
4260 #endif
4261 exit(1);
4262 }
4263
4264 page_size_init();
4265 socket_init();
4266
4267 if (qemu_opts_foreach(qemu_find_opts("object"),
4268 user_creatable_add_opts_foreach,
4269 object_create_initial, NULL)) {
4270 exit(1);
4271 }
4272
4273 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4274 chardev_init_func, NULL, NULL)) {
4275 exit(1);
4276 }
4277
4278 #ifdef CONFIG_VIRTFS
4279 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4280 fsdev_init_func, NULL, NULL)) {
4281 exit(1);
4282 }
4283 #endif
4284
4285 if (qemu_opts_foreach(qemu_find_opts("device"),
4286 device_help_func, NULL, NULL)) {
4287 exit(0);
4288 }
4289
4290 machine_opts = qemu_get_machine_opts();
4291 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4292 NULL)) {
4293 object_unref(OBJECT(current_machine));
4294 exit(1);
4295 }
4296
4297 configure_accelerator(current_machine);
4298
4299 if (!qtest_enabled() && machine_class->deprecation_reason) {
4300 error_report("Machine type '%s' is deprecated: %s",
4301 machine_class->name, machine_class->deprecation_reason);
4302 }
4303
4304 /*
4305 * Register all the global properties, including accel properties,
4306 * machine properties, and user-specified ones.
4307 */
4308 register_global_properties(current_machine);
4309
4310 /*
4311 * Migration object can only be created after global properties
4312 * are applied correctly.
4313 */
4314 migration_object_init();
4315
4316 if (qtest_chrdev) {
4317 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4318 }
4319
4320 machine_opts = qemu_get_machine_opts();
4321 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4322 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4323 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4324 bios_name = qemu_opt_get(machine_opts, "firmware");
4325
4326 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4327 if (opts) {
4328 boot_order = qemu_opt_get(opts, "order");
4329 if (boot_order) {
4330 validate_bootdevices(boot_order, &error_fatal);
4331 }
4332
4333 boot_once = qemu_opt_get(opts, "once");
4334 if (boot_once) {
4335 validate_bootdevices(boot_once, &error_fatal);
4336 }
4337
4338 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4339 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4340 }
4341
4342 if (!boot_order) {
4343 boot_order = machine_class->default_boot_order;
4344 }
4345
4346 if (!kernel_cmdline) {
4347 kernel_cmdline = "";
4348 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4349 }
4350
4351 linux_boot = (kernel_filename != NULL);
4352
4353 if (!linux_boot && *kernel_cmdline != '\0') {
4354 error_report("-append only allowed with -kernel option");
4355 exit(1);
4356 }
4357
4358 if (!linux_boot && initrd_filename != NULL) {
4359 error_report("-initrd only allowed with -kernel option");
4360 exit(1);
4361 }
4362
4363 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4364 /* fall back to the -kernel/-append */
4365 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4366 }
4367
4368 os_set_line_buffering();
4369
4370 /* spice needs the timers to be initialized by this point */
4371 qemu_spice_init();
4372
4373 cpu_ticks_init();
4374 if (icount_opts) {
4375 if (!tcg_enabled()) {
4376 error_report("-icount is not allowed with hardware virtualization");
4377 exit(1);
4378 }
4379 configure_icount(icount_opts, &error_abort);
4380 qemu_opts_del(icount_opts);
4381 }
4382
4383 if (tcg_enabled()) {
4384 qemu_tcg_configure(accel_opts, &error_fatal);
4385 }
4386
4387 if (default_net) {
4388 QemuOptsList *net = qemu_find_opts("net");
4389 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4390 #ifdef CONFIG_SLIRP
4391 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4392 #endif
4393 }
4394
4395 colo_info_init();
4396
4397 if (net_init_clients(&err) < 0) {
4398 error_report_err(err);
4399 exit(1);
4400 }
4401
4402 if (qemu_opts_foreach(qemu_find_opts("object"),
4403 user_creatable_add_opts_foreach,
4404 object_create_delayed, NULL)) {
4405 exit(1);
4406 }
4407
4408 if (tpm_init() < 0) {
4409 exit(1);
4410 }
4411
4412 /* init the bluetooth world */
4413 if (foreach_device_config(DEV_BT, bt_parse))
4414 exit(1);
4415
4416 if (!xen_enabled()) {
4417 /* On 32-bit hosts, QEMU is limited by virtual address space */
4418 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4419 error_report("at most 2047 MB RAM can be simulated");
4420 exit(1);
4421 }
4422 }
4423
4424 blk_mig_init();
4425 ram_mig_init();
4426 dirty_bitmap_mig_init();
4427
4428 /* If the currently selected machine wishes to override the units-per-bus
4429 * property of its default HBA interface type, do so now. */
4430 if (machine_class->units_per_default_bus) {
4431 override_max_devs(machine_class->block_default_type,
4432 machine_class->units_per_default_bus);
4433 }
4434
4435 /* open the virtual block devices */
4436 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4437 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4438
4439 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4440 loc_push_restore(&bdo->loc);
4441 qmp_blockdev_add(bdo->bdo, &error_fatal);
4442 loc_pop(&bdo->loc);
4443 qapi_free_BlockdevOptions(bdo->bdo);
4444 g_free(bdo);
4445 }
4446 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4447 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4448 NULL, NULL);
4449 }
4450 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4451 &machine_class->block_default_type, NULL)) {
4452 exit(1);
4453 }
4454
4455 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4456 CDROM_OPTS);
4457 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4458 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4459
4460 if (qemu_opts_foreach(qemu_find_opts("mon"),
4461 mon_init_func, NULL, NULL)) {
4462 exit(1);
4463 }
4464
4465 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4466 exit(1);
4467 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4468 exit(1);
4469 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4470 exit(1);
4471 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4472 exit(1);
4473
4474 /* If no default VGA is requested, the default is "none". */
4475 if (default_vga) {
4476 if (machine_class->default_display) {
4477 vga_model = machine_class->default_display;
4478 } else if (vga_interface_available(VGA_CIRRUS)) {
4479 vga_model = "cirrus";
4480 } else if (vga_interface_available(VGA_STD)) {
4481 vga_model = "std";
4482 }
4483 }
4484 if (vga_model) {
4485 select_vgahw(vga_model);
4486 }
4487
4488 if (watchdog) {
4489 i = select_watchdog(watchdog);
4490 if (i > 0)
4491 exit (i == 1 ? 1 : 0);
4492 }
4493
4494 /* This checkpoint is required by replay to separate prior clock
4495 reading from the other reads, because timer polling functions query
4496 clock values from the log. */
4497 replay_checkpoint(CHECKPOINT_INIT);
4498 qdev_machine_init();
4499
4500 current_machine->ram_size = ram_size;
4501 current_machine->maxram_size = maxram_size;
4502 current_machine->ram_slots = ram_slots;
4503 current_machine->boot_order = boot_order;
4504
4505 /* parse features once if machine provides default cpu_type */
4506 current_machine->cpu_type = machine_class->default_cpu_type;
4507 if (cpu_model) {
4508 current_machine->cpu_type = parse_cpu_model(cpu_model);
4509 }
4510 parse_numa_opts(current_machine);
4511
4512 /* do monitor/qmp handling at preconfig state if requested */
4513 main_loop();
4514
4515 /* from here on runstate is RUN_STATE_PRELAUNCH */
4516 machine_run_board_init(current_machine);
4517
4518 realtime_init();
4519
4520 soundhw_init();
4521
4522 if (hax_enabled()) {
4523 hax_sync_vcpus();
4524 }
4525
4526 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4527 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4528 exit(1);
4529 }
4530
4531 /* init USB devices */
4532 if (machine_usb(current_machine)) {
4533 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4534 exit(1);
4535 }
4536
4537 /* Check if IGD GFX passthrough. */
4538 igd_gfx_passthru();
4539
4540 /* init generic devices */
4541 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4542 if (qemu_opts_foreach(qemu_find_opts("device"),
4543 device_init_func, NULL, NULL)) {
4544 exit(1);
4545 }
4546
4547 cpu_synchronize_all_post_init();
4548
4549 rom_reset_order_override();
4550
4551 /* Did we create any drives that we failed to create a device for? */
4552 drive_check_orphaned();
4553
4554 /* Don't warn about the default network setup that you get if
4555 * no command line -net or -netdev options are specified. There
4556 * are two cases that we would otherwise complain about:
4557 * (1) board doesn't support a NIC but the implicit "-net nic"
4558 * requested one
4559 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4560 * sets up a nic that isn't connected to anything.
4561 */
4562 if (!default_net) {
4563 net_check_clients();
4564 }
4565
4566
4567 if (boot_once) {
4568 qemu_boot_set(boot_once, &error_fatal);
4569 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4570 }
4571
4572 /* init local displays */
4573 ds = init_displaystate();
4574 qemu_display_init(ds, &dpy);
4575
4576 /* must be after terminal init, SDL library changes signal handlers */
4577 os_setup_signal_handling();
4578
4579 /* init remote displays */
4580 #ifdef CONFIG_VNC
4581 qemu_opts_foreach(qemu_find_opts("vnc"),
4582 vnc_init_func, NULL, NULL);
4583 #endif
4584
4585 if (using_spice) {
4586 qemu_spice_display_init();
4587 }
4588
4589 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4590 exit(1);
4591 }
4592
4593 qdev_machine_creation_done();
4594
4595 /* TODO: once all bus devices are qdevified, this should be done
4596 * when bus is created by qdev.c */
4597 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4598 qemu_run_machine_init_done_notifiers();
4599
4600 if (rom_check_and_register_reset() != 0) {
4601 error_report("rom check and register reset failed");
4602 exit(1);
4603 }
4604
4605 replay_start();
4606
4607 /* This checkpoint is required by replay to separate prior clock
4608 reading from the other reads, because timer polling functions query
4609 clock values from the log. */
4610 replay_checkpoint(CHECKPOINT_RESET);
4611 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4612 register_global_state();
4613 if (replay_mode != REPLAY_MODE_NONE) {
4614 replay_vmstate_init();
4615 } else if (loadvm) {
4616 Error *local_err = NULL;
4617 if (load_snapshot(loadvm, &local_err) < 0) {
4618 error_report_err(local_err);
4619 autostart = 0;
4620 }
4621 }
4622
4623 qdev_prop_check_globals();
4624 if (vmstate_dump_file) {
4625 /* dump and exit */
4626 dump_vmstate_json_to_file(vmstate_dump_file);
4627 return 0;
4628 }
4629
4630 if (incoming) {
4631 Error *local_err = NULL;
4632 qemu_start_incoming_migration(incoming, &local_err);
4633 if (local_err) {
4634 error_reportf_err(local_err, "-incoming %s: ", incoming);
4635 exit(1);
4636 }
4637 } else if (autostart) {
4638 vm_start();
4639 }
4640
4641 accel_setup_post(current_machine);
4642 os_setup_post();
4643
4644 main_loop();
4645
4646 gdbserver_cleanup();
4647
4648 /* No more vcpu or device emulation activity beyond this point */
4649 vm_shutdown();
4650
4651 job_cancel_sync_all();
4652 bdrv_close_all();
4653
4654 res_free();
4655
4656 /* vhost-user must be cleaned up before chardevs. */
4657 tpm_cleanup();
4658 net_cleanup();
4659 audio_cleanup();
4660 monitor_cleanup();
4661 qemu_chr_cleanup();
4662 user_creatable_cleanup();
4663 migration_object_finalize();
4664 /* TODO: unref root container, check all devices are ok */
4665
4666 return 0;
4667 }
QEmu