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qdev: Fix latent bug with compat_props and onboard devices
[qemu.git] / vl.c
blob5278beaae0ffff6121ce07ba1c3992e233710f1d
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/firmware/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 #include "trace-root.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/arch_init.h"
113
114 #include "ui/qemu-spice.h"
115 #include "qapi/string-input-visitor.h"
116 #include "qapi/opts-visitor.h"
117 #include "qapi/clone-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "exec/semihost.h"
120 #include "crypto/init.h"
121 #include "sysemu/replay.h"
122 #include "qapi/qapi-events-run-state.h"
123 #include "qapi/qapi-visit-block-core.h"
124 #include "qapi/qapi-visit-ui.h"
125 #include "qapi/qapi-commands-block-core.h"
126 #include "qapi/qapi-commands-misc.h"
127 #include "qapi/qapi-commands-run-state.h"
128 #include "qapi/qapi-commands-ui.h"
129 #include "qapi/qmp/qerror.h"
130 #include "sysemu/iothread.h"
131
132 #define MAX_VIRTIO_CONSOLES 1
133
134 static const char *data_dir[16];
135 static int data_dir_idx;
136 const char *bios_name = NULL;
137 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
138 int display_opengl;
139 const char* keyboard_layout = NULL;
140 ram_addr_t ram_size;
141 const char *mem_path = NULL;
142 int mem_prealloc = 0; /* force preallocation of physical target memory */
143 bool enable_mlock = false;
144 bool enable_cpu_pm = false;
145 int nb_nics;
146 NICInfo nd_table[MAX_NICS];
147 int autostart;
148 static enum {
149 RTC_BASE_UTC,
150 RTC_BASE_LOCALTIME,
151 RTC_BASE_DATETIME,
152 } rtc_base_type = RTC_BASE_UTC;
153 static time_t rtc_ref_start_datetime;
154 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
155 static int rtc_host_datetime_offset = -1; /* valid & used only with
156 RTC_BASE_DATETIME */
157 QEMUClockType rtc_clock;
158 int vga_interface_type = VGA_NONE;
159 static DisplayOptions dpy;
160 static int num_serial_hds;
161 static Chardev **serial_hds;
162 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
163 int win2k_install_hack = 0;
164 int singlestep = 0;
165 int smp_cpus;
166 unsigned int max_cpus;
167 int smp_cores = 1;
168 int smp_threads = 1;
169 int acpi_enabled = 1;
170 int no_hpet = 0;
171 int fd_bootchk = 1;
172 static int no_reboot;
173 int no_shutdown = 0;
174 int cursor_hide = 1;
175 int graphic_rotate = 0;
176 const char *watchdog;
177 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
178 int nb_option_roms;
179 int old_param = 0;
180 const char *qemu_name;
181 int alt_grab = 0;
182 int ctrl_grab = 0;
183 unsigned int nb_prom_envs = 0;
184 const char *prom_envs[MAX_PROM_ENVS];
185 int boot_menu;
186 bool boot_strict;
187 uint8_t *boot_splash_filedata;
188 size_t boot_splash_filedata_size;
189 bool wakeup_suspend_enabled;
190
191 int icount_align_option;
192
193 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
195 */
196 QemuUUID qemu_uuid;
197 bool qemu_uuid_set;
198
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
201
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
204
205 bool xen_allowed;
206 uint32_t xen_domid;
207 enum xen_mode xen_mode = XEN_EMULATE;
208 bool xen_domid_restrict;
209
210 static int has_defaults = 1;
211 static int default_serial = 1;
212 static int default_parallel = 1;
213 static int default_monitor = 1;
214 static int default_floppy = 1;
215 static int default_cdrom = 1;
216 static int default_sdcard = 1;
217 static int default_vga = 1;
218 static int default_net = 1;
219
220 static struct {
221 const char *driver;
222 int *flag;
223 } default_list[] = {
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "floppy", .flag = &default_floppy },
228 { .driver = "ide-cd", .flag = &default_cdrom },
229 { .driver = "ide-hd", .flag = &default_cdrom },
230 { .driver = "ide-drive", .flag = &default_cdrom },
231 { .driver = "scsi-cd", .flag = &default_cdrom },
232 { .driver = "scsi-hd", .flag = &default_cdrom },
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 { .driver = "ati-vga", .flag = &default_vga },
241 };
242
243 static QemuOptsList qemu_rtc_opts = {
244 .name = "rtc",
245 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
246 .merge_lists = true,
247 .desc = {
248 {
249 .name = "base",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "clock",
253 .type = QEMU_OPT_STRING,
254 },{
255 .name = "driftfix",
256 .type = QEMU_OPT_STRING,
257 },
258 { /* end of list */ }
259 },
260 };
261
262 static QemuOptsList qemu_option_rom_opts = {
263 .name = "option-rom",
264 .implied_opt_name = "romfile",
265 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
266 .desc = {
267 {
268 .name = "bootindex",
269 .type = QEMU_OPT_NUMBER,
270 }, {
271 .name = "romfile",
272 .type = QEMU_OPT_STRING,
273 },
274 { /* end of list */ }
275 },
276 };
277
278 static QemuOptsList qemu_machine_opts = {
279 .name = "machine",
280 .implied_opt_name = "type",
281 .merge_lists = true,
282 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
283 .desc = {
284 /*
285 * no elements => accept any
286 * sanity checking will happen later
287 * when setting machine properties
288 */
289 { }
290 },
291 };
292
293 static QemuOptsList qemu_accel_opts = {
294 .name = "accel",
295 .implied_opt_name = "accel",
296 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
297 .merge_lists = true,
298 .desc = {
299 {
300 .name = "accel",
301 .type = QEMU_OPT_STRING,
302 .help = "Select the type of accelerator",
303 },
304 {
305 .name = "thread",
306 .type = QEMU_OPT_STRING,
307 .help = "Enable/disable multi-threaded TCG",
308 },
309 { /* end of list */ }
310 },
311 };
312
313 static QemuOptsList qemu_boot_opts = {
314 .name = "boot-opts",
315 .implied_opt_name = "order",
316 .merge_lists = true,
317 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
318 .desc = {
319 {
320 .name = "order",
321 .type = QEMU_OPT_STRING,
322 }, {
323 .name = "once",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "menu",
327 .type = QEMU_OPT_BOOL,
328 }, {
329 .name = "splash",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "splash-time",
333 .type = QEMU_OPT_NUMBER,
334 }, {
335 .name = "reboot-timeout",
336 .type = QEMU_OPT_NUMBER,
337 }, {
338 .name = "strict",
339 .type = QEMU_OPT_BOOL,
340 },
341 { /*End of list */ }
342 },
343 };
344
345 static QemuOptsList qemu_add_fd_opts = {
346 .name = "add-fd",
347 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
348 .desc = {
349 {
350 .name = "fd",
351 .type = QEMU_OPT_NUMBER,
352 .help = "file descriptor of which a duplicate is added to fd set",
353 },{
354 .name = "set",
355 .type = QEMU_OPT_NUMBER,
356 .help = "ID of the fd set to add fd to",
357 },{
358 .name = "opaque",
359 .type = QEMU_OPT_STRING,
360 .help = "free-form string used to describe fd",
361 },
362 { /* end of list */ }
363 },
364 };
365
366 static QemuOptsList qemu_object_opts = {
367 .name = "object",
368 .implied_opt_name = "qom-type",
369 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
370 .desc = {
371 { }
372 },
373 };
374
375 static QemuOptsList qemu_tpmdev_opts = {
376 .name = "tpmdev",
377 .implied_opt_name = "type",
378 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
379 .desc = {
380 /* options are defined in the TPM backends */
381 { /* end of list */ }
382 },
383 };
384
385 static QemuOptsList qemu_realtime_opts = {
386 .name = "realtime",
387 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
388 .desc = {
389 {
390 .name = "mlock",
391 .type = QEMU_OPT_BOOL,
392 },
393 { /* end of list */ }
394 },
395 };
396
397 static QemuOptsList qemu_overcommit_opts = {
398 .name = "overcommit",
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
400 .desc = {
401 {
402 .name = "mem-lock",
403 .type = QEMU_OPT_BOOL,
404 },
405 {
406 .name = "cpu-pm",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_msg_opts = {
414 .name = "msg",
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
416 .desc = {
417 {
418 .name = "timestamp",
419 .type = QEMU_OPT_BOOL,
420 },
421 { /* end of list */ }
422 },
423 };
424
425 static QemuOptsList qemu_name_opts = {
426 .name = "name",
427 .implied_opt_name = "guest",
428 .merge_lists = true,
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
430 .desc = {
431 {
432 .name = "guest",
433 .type = QEMU_OPT_STRING,
434 .help = "Sets the name of the guest.\n"
435 "This name will be displayed in the SDL window caption.\n"
436 "The name will also be used for the VNC server",
437 }, {
438 .name = "process",
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the QEMU process, as shown in top etc",
441 }, {
442 .name = "debug-threads",
443 .type = QEMU_OPT_BOOL,
444 .help = "When enabled, name the individual threads; defaults off.\n"
445 "NOTE: The thread names are for debugging and not a\n"
446 "stable API.",
447 },
448 { /* End of list */ }
449 },
450 };
451
452 static QemuOptsList qemu_mem_opts = {
453 .name = "memory",
454 .implied_opt_name = "size",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
456 .merge_lists = true,
457 .desc = {
458 {
459 .name = "size",
460 .type = QEMU_OPT_SIZE,
461 },
462 {
463 .name = "slots",
464 .type = QEMU_OPT_NUMBER,
465 },
466 {
467 .name = "maxmem",
468 .type = QEMU_OPT_SIZE,
469 },
470 { /* end of list */ }
471 },
472 };
473
474 static QemuOptsList qemu_icount_opts = {
475 .name = "icount",
476 .implied_opt_name = "shift",
477 .merge_lists = true,
478 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
479 .desc = {
480 {
481 .name = "shift",
482 .type = QEMU_OPT_STRING,
483 }, {
484 .name = "align",
485 .type = QEMU_OPT_BOOL,
486 }, {
487 .name = "sleep",
488 .type = QEMU_OPT_BOOL,
489 }, {
490 .name = "rr",
491 .type = QEMU_OPT_STRING,
492 }, {
493 .name = "rrfile",
494 .type = QEMU_OPT_STRING,
495 }, {
496 .name = "rrsnapshot",
497 .type = QEMU_OPT_STRING,
498 },
499 { /* end of list */ }
500 },
501 };
502
503 static QemuOptsList qemu_semihosting_config_opts = {
504 .name = "semihosting-config",
505 .implied_opt_name = "enable",
506 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
507 .desc = {
508 {
509 .name = "enable",
510 .type = QEMU_OPT_BOOL,
511 }, {
512 .name = "target",
513 .type = QEMU_OPT_STRING,
514 }, {
515 .name = "arg",
516 .type = QEMU_OPT_STRING,
517 },
518 { /* end of list */ }
519 },
520 };
521
522 static QemuOptsList qemu_fw_cfg_opts = {
523 .name = "fw_cfg",
524 .implied_opt_name = "name",
525 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
526 .desc = {
527 {
528 .name = "name",
529 .type = QEMU_OPT_STRING,
530 .help = "Sets the fw_cfg name of the blob to be inserted",
531 }, {
532 .name = "file",
533 .type = QEMU_OPT_STRING,
534 .help = "Sets the name of the file from which "
535 "the fw_cfg blob will be loaded",
536 }, {
537 .name = "string",
538 .type = QEMU_OPT_STRING,
539 .help = "Sets content of the blob to be inserted from a string",
540 },
541 { /* end of list */ }
542 },
543 };
544
545 /**
546 * Get machine options
547 *
548 * Returns: machine options (never null).
549 */
550 QemuOpts *qemu_get_machine_opts(void)
551 {
552 return qemu_find_opts_singleton("machine");
553 }
554
555 const char *qemu_get_vm_name(void)
556 {
557 return qemu_name;
558 }
559
560 static void res_free(void)
561 {
562 g_free(boot_splash_filedata);
563 boot_splash_filedata = NULL;
564 }
565
566 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
567 {
568 const char *driver = qemu_opt_get(opts, "driver");
569 int i;
570
571 if (!driver)
572 return 0;
573 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
574 if (strcmp(default_list[i].driver, driver) != 0)
575 continue;
576 *(default_list[i].flag) = 0;
577 }
578 return 0;
579 }
580
581 /***********************************************************/
582 /* QEMU state */
583
584 static RunState current_run_state = RUN_STATE_PRECONFIG;
585
586 /* We use RUN_STATE__MAX but any invalid value will do */
587 static RunState vmstop_requested = RUN_STATE__MAX;
588 static QemuMutex vmstop_lock;
589
590 typedef struct {
591 RunState from;
592 RunState to;
593 } RunStateTransition;
594
595 static const RunStateTransition runstate_transitions_def[] = {
596 /* from -> to */
597 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
598 /* Early switch to inmigrate state to allow -incoming CLI option work
599 * as it used to. TODO: delay actual switching to inmigrate state to
600 * the point after machine is built and remove this hack.
601 */
602 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
603
604 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
605 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
607
608 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
609 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
610 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
611 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
612 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
613 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
614 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
615 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
616 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
617 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
618 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
619 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
620
621 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
622 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
624
625 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
626 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
627 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
628
629 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
630 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
632 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
633 { RUN_STATE_PAUSED, RUN_STATE_COLO},
634
635 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
636 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
638
639 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
640 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
641 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
642
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
644 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
645 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
646 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
647 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
648
649 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
650 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
651
652 { RUN_STATE_COLO, RUN_STATE_RUNNING },
653
654 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
655 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
656 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
657 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
658 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
659 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
660 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
661 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
662 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
663 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
664 { RUN_STATE_RUNNING, RUN_STATE_COLO},
665
666 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
667
668 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
669 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
670 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
671
672 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
673 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
674 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
675 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
677 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
678
679 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
680 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
681 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
682 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
683
684 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
685 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
686 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
687
688 { RUN_STATE__MAX, RUN_STATE__MAX },
689 };
690
691 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
692
693 bool runstate_check(RunState state)
694 {
695 return current_run_state == state;
696 }
697
698 bool runstate_store(char *str, size_t size)
699 {
700 const char *state = RunState_str(current_run_state);
701 size_t len = strlen(state) + 1;
702
703 if (len > size) {
704 return false;
705 }
706 memcpy(str, state, len);
707 return true;
708 }
709
710 static void runstate_init(void)
711 {
712 const RunStateTransition *p;
713
714 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
715 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
716 runstate_valid_transitions[p->from][p->to] = true;
717 }
718
719 qemu_mutex_init(&vmstop_lock);
720 }
721
722 /* This function will abort() on invalid state transitions */
723 void runstate_set(RunState new_state)
724 {
725 assert(new_state < RUN_STATE__MAX);
726
727 trace_runstate_set(current_run_state, RunState_str(current_run_state),
728 new_state, RunState_str(current_run_state));
729
730 if (current_run_state == new_state) {
731 return;
732 }
733
734 if (!runstate_valid_transitions[current_run_state][new_state]) {
735 error_report("invalid runstate transition: '%s' -> '%s'",
736 RunState_str(current_run_state),
737 RunState_str(new_state));
738 abort();
739 }
740
741 current_run_state = new_state;
742 }
743
744 int runstate_is_running(void)
745 {
746 return runstate_check(RUN_STATE_RUNNING);
747 }
748
749 bool runstate_needs_reset(void)
750 {
751 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
752 runstate_check(RUN_STATE_SHUTDOWN);
753 }
754
755 StatusInfo *qmp_query_status(Error **errp)
756 {
757 StatusInfo *info = g_malloc0(sizeof(*info));
758
759 info->running = runstate_is_running();
760 info->singlestep = singlestep;
761 info->status = current_run_state;
762
763 return info;
764 }
765
766 bool qemu_vmstop_requested(RunState *r)
767 {
768 qemu_mutex_lock(&vmstop_lock);
769 *r = vmstop_requested;
770 vmstop_requested = RUN_STATE__MAX;
771 qemu_mutex_unlock(&vmstop_lock);
772 return *r < RUN_STATE__MAX;
773 }
774
775 void qemu_system_vmstop_request_prepare(void)
776 {
777 qemu_mutex_lock(&vmstop_lock);
778 }
779
780 void qemu_system_vmstop_request(RunState state)
781 {
782 vmstop_requested = state;
783 qemu_mutex_unlock(&vmstop_lock);
784 qemu_notify_event();
785 }
786
787 /***********************************************************/
788 /* RTC reference time/date access */
789 static time_t qemu_ref_timedate(QEMUClockType clock)
790 {
791 time_t value = qemu_clock_get_ms(clock) / 1000;
792 switch (clock) {
793 case QEMU_CLOCK_REALTIME:
794 value -= rtc_realtime_clock_offset;
795 /* no break */
796 case QEMU_CLOCK_VIRTUAL:
797 value += rtc_ref_start_datetime;
798 break;
799 case QEMU_CLOCK_HOST:
800 if (rtc_base_type == RTC_BASE_DATETIME) {
801 value -= rtc_host_datetime_offset;
802 }
803 break;
804 default:
805 assert(0);
806 }
807 return value;
808 }
809
810 void qemu_get_timedate(struct tm *tm, int offset)
811 {
812 time_t ti = qemu_ref_timedate(rtc_clock);
813
814 ti += offset;
815
816 switch (rtc_base_type) {
817 case RTC_BASE_DATETIME:
818 case RTC_BASE_UTC:
819 gmtime_r(&ti, tm);
820 break;
821 case RTC_BASE_LOCALTIME:
822 localtime_r(&ti, tm);
823 break;
824 }
825 }
826
827 int qemu_timedate_diff(struct tm *tm)
828 {
829 time_t seconds;
830
831 switch (rtc_base_type) {
832 case RTC_BASE_DATETIME:
833 case RTC_BASE_UTC:
834 seconds = mktimegm(tm);
835 break;
836 case RTC_BASE_LOCALTIME:
837 {
838 struct tm tmp = *tm;
839 tmp.tm_isdst = -1; /* use timezone to figure it out */
840 seconds = mktime(&tmp);
841 break;
842 }
843 default:
844 abort();
845 }
846
847 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
848 }
849
850 static void configure_rtc_base_datetime(const char *startdate)
851 {
852 time_t rtc_start_datetime;
853 struct tm tm;
854
855 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
856 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
857 /* OK */
858 } else if (sscanf(startdate, "%d-%d-%d",
859 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
860 tm.tm_hour = 0;
861 tm.tm_min = 0;
862 tm.tm_sec = 0;
863 } else {
864 goto date_fail;
865 }
866 tm.tm_year -= 1900;
867 tm.tm_mon--;
868 rtc_start_datetime = mktimegm(&tm);
869 if (rtc_start_datetime == -1) {
870 date_fail:
871 error_report("invalid datetime format");
872 error_printf("valid formats: "
873 "'2006-06-17T16:01:21' or '2006-06-17'\n");
874 exit(1);
875 }
876 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
877 rtc_ref_start_datetime = rtc_start_datetime;
878 }
879
880 static void configure_rtc(QemuOpts *opts)
881 {
882 const char *value;
883
884 /* Set defaults */
885 rtc_clock = QEMU_CLOCK_HOST;
886 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
887 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
888
889 value = qemu_opt_get(opts, "base");
890 if (value) {
891 if (!strcmp(value, "utc")) {
892 rtc_base_type = RTC_BASE_UTC;
893 } else if (!strcmp(value, "localtime")) {
894 Error *blocker = NULL;
895 rtc_base_type = RTC_BASE_LOCALTIME;
896 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
897 "-rtc base=localtime");
898 replay_add_blocker(blocker);
899 } else {
900 rtc_base_type = RTC_BASE_DATETIME;
901 configure_rtc_base_datetime(value);
902 }
903 }
904 value = qemu_opt_get(opts, "clock");
905 if (value) {
906 if (!strcmp(value, "host")) {
907 rtc_clock = QEMU_CLOCK_HOST;
908 } else if (!strcmp(value, "rt")) {
909 rtc_clock = QEMU_CLOCK_REALTIME;
910 } else if (!strcmp(value, "vm")) {
911 rtc_clock = QEMU_CLOCK_VIRTUAL;
912 } else {
913 error_report("invalid option value '%s'", value);
914 exit(1);
915 }
916 }
917 value = qemu_opt_get(opts, "driftfix");
918 if (value) {
919 if (!strcmp(value, "slew")) {
920 static GlobalProperty slew_lost_ticks = {
921 .driver = "mc146818rtc",
922 .property = "lost_tick_policy",
923 .value = "slew",
924 };
925
926 qdev_prop_register_global(&slew_lost_ticks);
927 } else if (!strcmp(value, "none")) {
928 /* discard is default */
929 } else {
930 error_report("invalid option value '%s'", value);
931 exit(1);
932 }
933 }
934 }
935
936 /***********************************************************/
937 /* Bluetooth support */
938 static int nb_hcis;
939 static int cur_hci;
940 static struct HCIInfo *hci_table[MAX_NICS];
941
942 struct HCIInfo *qemu_next_hci(void)
943 {
944 if (cur_hci == nb_hcis)
945 return &null_hci;
946
947 return hci_table[cur_hci++];
948 }
949
950 static int bt_hci_parse(const char *str)
951 {
952 struct HCIInfo *hci;
953 bdaddr_t bdaddr;
954
955 if (nb_hcis >= MAX_NICS) {
956 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
957 return -1;
958 }
959
960 hci = hci_init(str);
961 if (!hci)
962 return -1;
963
964 bdaddr.b[0] = 0x52;
965 bdaddr.b[1] = 0x54;
966 bdaddr.b[2] = 0x00;
967 bdaddr.b[3] = 0x12;
968 bdaddr.b[4] = 0x34;
969 bdaddr.b[5] = 0x56 + nb_hcis;
970 hci->bdaddr_set(hci, bdaddr.b);
971
972 hci_table[nb_hcis++] = hci;
973
974 return 0;
975 }
976
977 static void bt_vhci_add(int vlan_id)
978 {
979 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
980
981 if (!vlan->slave)
982 warn_report("adding a VHCI to an empty scatternet %i",
983 vlan_id);
984
985 bt_vhci_init(bt_new_hci(vlan));
986 }
987
988 static struct bt_device_s *bt_device_add(const char *opt)
989 {
990 struct bt_scatternet_s *vlan;
991 int vlan_id = 0;
992 char *endp = strstr(opt, ",vlan=");
993 int len = (endp ? endp - opt : strlen(opt)) + 1;
994 char devname[10];
995
996 pstrcpy(devname, MIN(sizeof(devname), len), opt);
997
998 if (endp) {
999 vlan_id = strtol(endp + 6, &endp, 0);
1000 if (*endp) {
1001 error_report("unrecognised bluetooth vlan Id");
1002 return 0;
1003 }
1004 }
1005
1006 vlan = qemu_find_bt_vlan(vlan_id);
1007
1008 if (!vlan->slave)
1009 warn_report("adding a slave device to an empty scatternet %i",
1010 vlan_id);
1011
1012 if (!strcmp(devname, "keyboard"))
1013 return bt_keyboard_init(vlan);
1014
1015 error_report("unsupported bluetooth device '%s'", devname);
1016 return 0;
1017 }
1018
1019 static int bt_parse(const char *opt)
1020 {
1021 const char *endp, *p;
1022 int vlan;
1023
1024 if (strstart(opt, "hci", &endp)) {
1025 if (!*endp || *endp == ',') {
1026 if (*endp)
1027 if (!strstart(endp, ",vlan=", 0))
1028 opt = endp + 1;
1029
1030 return bt_hci_parse(opt);
1031 }
1032 } else if (strstart(opt, "vhci", &endp)) {
1033 if (!*endp || *endp == ',') {
1034 if (*endp) {
1035 if (strstart(endp, ",vlan=", &p)) {
1036 vlan = strtol(p, (char **) &endp, 0);
1037 if (*endp) {
1038 error_report("bad scatternet '%s'", p);
1039 return 1;
1040 }
1041 } else {
1042 error_report("bad parameter '%s'", endp + 1);
1043 return 1;
1044 }
1045 } else
1046 vlan = 0;
1047
1048 bt_vhci_add(vlan);
1049 return 0;
1050 }
1051 } else if (strstart(opt, "device:", &endp))
1052 return !bt_device_add(endp);
1053
1054 error_report("bad bluetooth parameter '%s'", opt);
1055 return 1;
1056 }
1057
1058 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1059 {
1060 const char *proc_name;
1061
1062 if (qemu_opt_get(opts, "debug-threads")) {
1063 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1064 }
1065 qemu_name = qemu_opt_get(opts, "guest");
1066
1067 proc_name = qemu_opt_get(opts, "process");
1068 if (proc_name) {
1069 os_set_proc_name(proc_name);
1070 }
1071
1072 return 0;
1073 }
1074
1075 bool defaults_enabled(void)
1076 {
1077 return has_defaults;
1078 }
1079
1080 #ifndef _WIN32
1081 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1082 {
1083 int fd, dupfd, flags;
1084 int64_t fdset_id;
1085 const char *fd_opaque = NULL;
1086 AddfdInfo *fdinfo;
1087
1088 fd = qemu_opt_get_number(opts, "fd", -1);
1089 fdset_id = qemu_opt_get_number(opts, "set", -1);
1090 fd_opaque = qemu_opt_get(opts, "opaque");
1091
1092 if (fd < 0) {
1093 error_setg(errp, "fd option is required and must be non-negative");
1094 return -1;
1095 }
1096
1097 if (fd <= STDERR_FILENO) {
1098 error_setg(errp, "fd cannot be a standard I/O stream");
1099 return -1;
1100 }
1101
1102 /*
1103 * All fds inherited across exec() necessarily have FD_CLOEXEC
1104 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1105 */
1106 flags = fcntl(fd, F_GETFD);
1107 if (flags == -1 || (flags & FD_CLOEXEC)) {
1108 error_setg(errp, "fd is not valid or already in use");
1109 return -1;
1110 }
1111
1112 if (fdset_id < 0) {
1113 error_setg(errp, "set option is required and must be non-negative");
1114 return -1;
1115 }
1116
1117 #ifdef F_DUPFD_CLOEXEC
1118 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1119 #else
1120 dupfd = dup(fd);
1121 if (dupfd != -1) {
1122 qemu_set_cloexec(dupfd);
1123 }
1124 #endif
1125 if (dupfd == -1) {
1126 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1127 return -1;
1128 }
1129
1130 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1131 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1132 &error_abort);
1133 g_free(fdinfo);
1134
1135 return 0;
1136 }
1137
1138 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 int fd;
1141
1142 fd = qemu_opt_get_number(opts, "fd", -1);
1143 close(fd);
1144
1145 return 0;
1146 }
1147 #endif
1148
1149 /***********************************************************/
1150 /* QEMU Block devices */
1151
1152 #define HD_OPTS "media=disk"
1153 #define CDROM_OPTS "media=cdrom"
1154 #define FD_OPTS ""
1155 #define PFLASH_OPTS ""
1156 #define MTD_OPTS ""
1157 #define SD_OPTS ""
1158
1159 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1160 {
1161 BlockInterfaceType *block_default_type = opaque;
1162
1163 return drive_new(opts, *block_default_type, errp) == NULL;
1164 }
1165
1166 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1167 {
1168 if (qemu_opt_get(opts, "snapshot") == NULL) {
1169 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1170 }
1171 return 0;
1172 }
1173
1174 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1175 int index, const char *optstr)
1176 {
1177 QemuOpts *opts;
1178 DriveInfo *dinfo;
1179
1180 if (!enable || drive_get_by_index(type, index)) {
1181 return;
1182 }
1183
1184 opts = drive_add(type, index, NULL, optstr);
1185 if (snapshot) {
1186 drive_enable_snapshot(NULL, opts, NULL);
1187 }
1188
1189 dinfo = drive_new(opts, type, &error_abort);
1190 dinfo->is_default = true;
1191
1192 }
1193
1194 static QemuOptsList qemu_smp_opts = {
1195 .name = "smp-opts",
1196 .implied_opt_name = "cpus",
1197 .merge_lists = true,
1198 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1199 .desc = {
1200 {
1201 .name = "cpus",
1202 .type = QEMU_OPT_NUMBER,
1203 }, {
1204 .name = "sockets",
1205 .type = QEMU_OPT_NUMBER,
1206 }, {
1207 .name = "cores",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "threads",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "maxcpus",
1214 .type = QEMU_OPT_NUMBER,
1215 },
1216 { /*End of list */ }
1217 },
1218 };
1219
1220 static void smp_parse(QemuOpts *opts)
1221 {
1222 if (opts) {
1223 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1224 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1225 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1226 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1227
1228 /* compute missing values, prefer sockets over cores over threads */
1229 if (cpus == 0 || sockets == 0) {
1230 cores = cores > 0 ? cores : 1;
1231 threads = threads > 0 ? threads : 1;
1232 if (cpus == 0) {
1233 sockets = sockets > 0 ? sockets : 1;
1234 cpus = cores * threads * sockets;
1235 } else {
1236 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1237 sockets = max_cpus / (cores * threads);
1238 }
1239 } else if (cores == 0) {
1240 threads = threads > 0 ? threads : 1;
1241 cores = cpus / (sockets * threads);
1242 cores = cores > 0 ? cores : 1;
1243 } else if (threads == 0) {
1244 threads = cpus / (cores * sockets);
1245 threads = threads > 0 ? threads : 1;
1246 } else if (sockets * cores * threads < cpus) {
1247 error_report("cpu topology: "
1248 "sockets (%u) * cores (%u) * threads (%u) < "
1249 "smp_cpus (%u)",
1250 sockets, cores, threads, cpus);
1251 exit(1);
1252 }
1253
1254 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1255
1256 if (max_cpus < cpus) {
1257 error_report("maxcpus must be equal to or greater than smp");
1258 exit(1);
1259 }
1260
1261 if (sockets * cores * threads > max_cpus) {
1262 error_report("cpu topology: "
1263 "sockets (%u) * cores (%u) * threads (%u) > "
1264 "maxcpus (%u)",
1265 sockets, cores, threads, max_cpus);
1266 exit(1);
1267 }
1268
1269 if (sockets * cores * threads != max_cpus) {
1270 warn_report("Invalid CPU topology deprecated: "
1271 "sockets (%u) * cores (%u) * threads (%u) "
1272 "!= maxcpus (%u)",
1273 sockets, cores, threads, max_cpus);
1274 }
1275
1276 smp_cpus = cpus;
1277 smp_cores = cores;
1278 smp_threads = threads;
1279 }
1280
1281 if (smp_cpus > 1) {
1282 Error *blocker = NULL;
1283 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1284 replay_add_blocker(blocker);
1285 }
1286 }
1287
1288 static void realtime_init(void)
1289 {
1290 if (enable_mlock) {
1291 if (os_mlock() < 0) {
1292 error_report("locking memory failed");
1293 exit(1);
1294 }
1295 }
1296 }
1297
1298
1299 static void configure_msg(QemuOpts *opts)
1300 {
1301 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1302 }
1303
1304 /***********************************************************/
1305 /* Semihosting */
1306
1307 typedef struct SemihostingConfig {
1308 bool enabled;
1309 SemihostingTarget target;
1310 const char **argv;
1311 int argc;
1312 const char *cmdline; /* concatenated argv */
1313 } SemihostingConfig;
1314
1315 static SemihostingConfig semihosting;
1316
1317 bool semihosting_enabled(void)
1318 {
1319 return semihosting.enabled;
1320 }
1321
1322 SemihostingTarget semihosting_get_target(void)
1323 {
1324 return semihosting.target;
1325 }
1326
1327 const char *semihosting_get_arg(int i)
1328 {
1329 if (i >= semihosting.argc) {
1330 return NULL;
1331 }
1332 return semihosting.argv[i];
1333 }
1334
1335 int semihosting_get_argc(void)
1336 {
1337 return semihosting.argc;
1338 }
1339
1340 const char *semihosting_get_cmdline(void)
1341 {
1342 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1343 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1344 }
1345 return semihosting.cmdline;
1346 }
1347
1348 static int add_semihosting_arg(void *opaque,
1349 const char *name, const char *val,
1350 Error **errp)
1351 {
1352 SemihostingConfig *s = opaque;
1353 if (strcmp(name, "arg") == 0) {
1354 s->argc++;
1355 /* one extra element as g_strjoinv() expects NULL-terminated array */
1356 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1357 s->argv[s->argc - 1] = val;
1358 s->argv[s->argc] = NULL;
1359 }
1360 return 0;
1361 }
1362
1363 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1364 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1365 {
1366 char *cmd_token;
1367
1368 /* argv[0] */
1369 add_semihosting_arg(&semihosting, "arg", file, NULL);
1370
1371 /* split -append and initialize argv[1..n] */
1372 cmd_token = strtok(g_strdup(cmd), " ");
1373 while (cmd_token) {
1374 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1375 cmd_token = strtok(NULL, " ");
1376 }
1377 }
1378
1379 /* Now we still need this for compatibility with XEN. */
1380 bool has_igd_gfx_passthru;
1381 static void igd_gfx_passthru(void)
1382 {
1383 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1384 }
1385
1386 /***********************************************************/
1387 /* USB devices */
1388
1389 static int usb_device_add(const char *devname)
1390 {
1391 USBDevice *dev = NULL;
1392
1393 if (!machine_usb(current_machine)) {
1394 return -1;
1395 }
1396
1397 dev = usbdevice_create(devname);
1398 if (!dev)
1399 return -1;
1400
1401 return 0;
1402 }
1403
1404 static int usb_parse(const char *cmdline)
1405 {
1406 int r;
1407 r = usb_device_add(cmdline);
1408 if (r < 0) {
1409 error_report("could not add USB device '%s'", cmdline);
1410 }
1411 return r;
1412 }
1413
1414 /***********************************************************/
1415 /* machine registration */
1416
1417 MachineState *current_machine;
1418
1419 static MachineClass *find_machine(const char *name)
1420 {
1421 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1422 MachineClass *mc = NULL;
1423
1424 for (el = machines; el; el = el->next) {
1425 MachineClass *temp = el->data;
1426
1427 if (!strcmp(temp->name, name)) {
1428 mc = temp;
1429 break;
1430 }
1431 if (temp->alias &&
1432 !strcmp(temp->alias, name)) {
1433 mc = temp;
1434 break;
1435 }
1436 }
1437
1438 g_slist_free(machines);
1439 return mc;
1440 }
1441
1442 MachineClass *find_default_machine(void)
1443 {
1444 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1445 MachineClass *mc = NULL;
1446
1447 for (el = machines; el; el = el->next) {
1448 MachineClass *temp = el->data;
1449
1450 if (temp->is_default) {
1451 mc = temp;
1452 break;
1453 }
1454 }
1455
1456 g_slist_free(machines);
1457 return mc;
1458 }
1459
1460 MachineInfoList *qmp_query_machines(Error **errp)
1461 {
1462 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1463 MachineInfoList *mach_list = NULL;
1464
1465 for (el = machines; el; el = el->next) {
1466 MachineClass *mc = el->data;
1467 MachineInfoList *entry;
1468 MachineInfo *info;
1469
1470 info = g_malloc0(sizeof(*info));
1471 if (mc->is_default) {
1472 info->has_is_default = true;
1473 info->is_default = true;
1474 }
1475
1476 if (mc->alias) {
1477 info->has_alias = true;
1478 info->alias = g_strdup(mc->alias);
1479 }
1480
1481 info->name = g_strdup(mc->name);
1482 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1483 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1484
1485 entry = g_malloc0(sizeof(*entry));
1486 entry->value = info;
1487 entry->next = mach_list;
1488 mach_list = entry;
1489 }
1490
1491 g_slist_free(machines);
1492 return mach_list;
1493 }
1494
1495 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1496 {
1497 ObjectProperty *prop;
1498 ObjectPropertyIterator iter;
1499
1500 if (!qemu_opt_has_help_opt(opts)) {
1501 return 0;
1502 }
1503
1504 object_property_iter_init(&iter, OBJECT(machine));
1505 while ((prop = object_property_iter_next(&iter))) {
1506 if (!prop->set) {
1507 continue;
1508 }
1509
1510 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1511 prop->name, prop->type);
1512 if (prop->description) {
1513 error_printf(" (%s)\n", prop->description);
1514 } else {
1515 error_printf("\n");
1516 }
1517 }
1518
1519 return 1;
1520 }
1521
1522 struct vm_change_state_entry {
1523 VMChangeStateHandler *cb;
1524 void *opaque;
1525 QLIST_ENTRY (vm_change_state_entry) entries;
1526 };
1527
1528 static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head;
1529
1530 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1531 void *opaque)
1532 {
1533 VMChangeStateEntry *e;
1534
1535 e = g_malloc0(sizeof (*e));
1536
1537 e->cb = cb;
1538 e->opaque = opaque;
1539 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1540 return e;
1541 }
1542
1543 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1544 {
1545 QLIST_REMOVE (e, entries);
1546 g_free (e);
1547 }
1548
1549 void vm_state_notify(int running, RunState state)
1550 {
1551 VMChangeStateEntry *e, *next;
1552
1553 trace_vm_state_notify(running, state, RunState_str(state));
1554
1555 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1556 e->cb(e->opaque, running, state);
1557 }
1558 }
1559
1560 static ShutdownCause reset_requested;
1561 static ShutdownCause shutdown_requested;
1562 static int shutdown_signal;
1563 static pid_t shutdown_pid;
1564 static int powerdown_requested;
1565 static int debug_requested;
1566 static int suspend_requested;
1567 static bool preconfig_exit_requested = true;
1568 static WakeupReason wakeup_reason;
1569 static NotifierList powerdown_notifiers =
1570 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1571 static NotifierList suspend_notifiers =
1572 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1573 static NotifierList wakeup_notifiers =
1574 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1575 static NotifierList shutdown_notifiers =
1576 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1577 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1578
1579 ShutdownCause qemu_shutdown_requested_get(void)
1580 {
1581 return shutdown_requested;
1582 }
1583
1584 ShutdownCause qemu_reset_requested_get(void)
1585 {
1586 return reset_requested;
1587 }
1588
1589 static int qemu_shutdown_requested(void)
1590 {
1591 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1592 }
1593
1594 static void qemu_kill_report(void)
1595 {
1596 if (!qtest_driver() && shutdown_signal) {
1597 if (shutdown_pid == 0) {
1598 /* This happens for eg ^C at the terminal, so it's worth
1599 * avoiding printing an odd message in that case.
1600 */
1601 error_report("terminating on signal %d", shutdown_signal);
1602 } else {
1603 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1604
1605 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1606 shutdown_signal, shutdown_pid,
1607 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1608 g_free(shutdown_cmd);
1609 }
1610 shutdown_signal = 0;
1611 }
1612 }
1613
1614 static ShutdownCause qemu_reset_requested(void)
1615 {
1616 ShutdownCause r = reset_requested;
1617
1618 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1619 reset_requested = SHUTDOWN_CAUSE_NONE;
1620 return r;
1621 }
1622 return SHUTDOWN_CAUSE_NONE;
1623 }
1624
1625 static int qemu_suspend_requested(void)
1626 {
1627 int r = suspend_requested;
1628 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1629 suspend_requested = 0;
1630 return r;
1631 }
1632 return false;
1633 }
1634
1635 static WakeupReason qemu_wakeup_requested(void)
1636 {
1637 return wakeup_reason;
1638 }
1639
1640 static int qemu_powerdown_requested(void)
1641 {
1642 int r = powerdown_requested;
1643 powerdown_requested = 0;
1644 return r;
1645 }
1646
1647 static int qemu_debug_requested(void)
1648 {
1649 int r = debug_requested;
1650 debug_requested = 0;
1651 return r;
1652 }
1653
1654 void qemu_exit_preconfig_request(void)
1655 {
1656 preconfig_exit_requested = true;
1657 }
1658
1659 /*
1660 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1661 */
1662 void qemu_system_reset(ShutdownCause reason)
1663 {
1664 MachineClass *mc;
1665
1666 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1667
1668 cpu_synchronize_all_states();
1669
1670 if (mc && mc->reset) {
1671 mc->reset();
1672 } else {
1673 qemu_devices_reset();
1674 }
1675 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1676 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1677 }
1678 cpu_synchronize_all_post_reset();
1679 }
1680
1681 void qemu_system_guest_panicked(GuestPanicInformation *info)
1682 {
1683 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1684
1685 if (current_cpu) {
1686 current_cpu->crash_occurred = true;
1687 }
1688 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1689 !!info, info);
1690 vm_stop(RUN_STATE_GUEST_PANICKED);
1691 if (!no_shutdown) {
1692 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1693 !!info, info);
1694 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1695 }
1696
1697 if (info) {
1698 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1699 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1700 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1701 info->u.hyper_v.arg1,
1702 info->u.hyper_v.arg2,
1703 info->u.hyper_v.arg3,
1704 info->u.hyper_v.arg4,
1705 info->u.hyper_v.arg5);
1706 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1707 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1708 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1709 info->u.s390.core,
1710 S390CrashReason_str(info->u.s390.reason),
1711 info->u.s390.psw_mask,
1712 info->u.s390.psw_addr);
1713 }
1714 qapi_free_GuestPanicInformation(info);
1715 }
1716 }
1717
1718 void qemu_system_reset_request(ShutdownCause reason)
1719 {
1720 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1721 shutdown_requested = reason;
1722 } else {
1723 reset_requested = reason;
1724 }
1725 cpu_stop_current();
1726 qemu_notify_event();
1727 }
1728
1729 static void qemu_system_suspend(void)
1730 {
1731 pause_all_vcpus();
1732 notifier_list_notify(&suspend_notifiers, NULL);
1733 runstate_set(RUN_STATE_SUSPENDED);
1734 qapi_event_send_suspend();
1735 }
1736
1737 void qemu_system_suspend_request(void)
1738 {
1739 if (runstate_check(RUN_STATE_SUSPENDED)) {
1740 return;
1741 }
1742 suspend_requested = 1;
1743 cpu_stop_current();
1744 qemu_notify_event();
1745 }
1746
1747 void qemu_register_suspend_notifier(Notifier *notifier)
1748 {
1749 notifier_list_add(&suspend_notifiers, notifier);
1750 }
1751
1752 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1753 {
1754 trace_system_wakeup_request(reason);
1755
1756 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1757 error_setg(errp,
1758 "Unable to wake up: guest is not in suspended state");
1759 return;
1760 }
1761 if (!(wakeup_reason_mask & (1 << reason))) {
1762 return;
1763 }
1764 runstate_set(RUN_STATE_RUNNING);
1765 wakeup_reason = reason;
1766 qemu_notify_event();
1767 }
1768
1769 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1770 {
1771 if (enabled) {
1772 wakeup_reason_mask |= (1 << reason);
1773 } else {
1774 wakeup_reason_mask &= ~(1 << reason);
1775 }
1776 }
1777
1778 void qemu_register_wakeup_notifier(Notifier *notifier)
1779 {
1780 notifier_list_add(&wakeup_notifiers, notifier);
1781 }
1782
1783 void qemu_register_wakeup_support(void)
1784 {
1785 wakeup_suspend_enabled = true;
1786 }
1787
1788 bool qemu_wakeup_suspend_enabled(void)
1789 {
1790 return wakeup_suspend_enabled;
1791 }
1792
1793 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1794 {
1795 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1796 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1797
1798 return params;
1799 }
1800
1801 void qemu_system_killed(int signal, pid_t pid)
1802 {
1803 shutdown_signal = signal;
1804 shutdown_pid = pid;
1805 no_shutdown = 0;
1806
1807 /* Cannot call qemu_system_shutdown_request directly because
1808 * we are in a signal handler.
1809 */
1810 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1811 qemu_notify_event();
1812 }
1813
1814 void qemu_system_shutdown_request(ShutdownCause reason)
1815 {
1816 trace_qemu_system_shutdown_request(reason);
1817 replay_shutdown_request(reason);
1818 shutdown_requested = reason;
1819 qemu_notify_event();
1820 }
1821
1822 static void qemu_system_powerdown(void)
1823 {
1824 qapi_event_send_powerdown();
1825 notifier_list_notify(&powerdown_notifiers, NULL);
1826 }
1827
1828 static void qemu_system_shutdown(ShutdownCause cause)
1829 {
1830 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1831 notifier_list_notify(&shutdown_notifiers, &cause);
1832 }
1833
1834 void qemu_system_powerdown_request(void)
1835 {
1836 trace_qemu_system_powerdown_request();
1837 powerdown_requested = 1;
1838 qemu_notify_event();
1839 }
1840
1841 void qemu_register_powerdown_notifier(Notifier *notifier)
1842 {
1843 notifier_list_add(&powerdown_notifiers, notifier);
1844 }
1845
1846 void qemu_register_shutdown_notifier(Notifier *notifier)
1847 {
1848 notifier_list_add(&shutdown_notifiers, notifier);
1849 }
1850
1851 void qemu_system_debug_request(void)
1852 {
1853 debug_requested = 1;
1854 qemu_notify_event();
1855 }
1856
1857 static bool main_loop_should_exit(void)
1858 {
1859 RunState r;
1860 ShutdownCause request;
1861
1862 if (preconfig_exit_requested) {
1863 if (runstate_check(RUN_STATE_PRECONFIG)) {
1864 runstate_set(RUN_STATE_PRELAUNCH);
1865 }
1866 preconfig_exit_requested = false;
1867 return true;
1868 }
1869 if (qemu_debug_requested()) {
1870 vm_stop(RUN_STATE_DEBUG);
1871 }
1872 if (qemu_suspend_requested()) {
1873 qemu_system_suspend();
1874 }
1875 request = qemu_shutdown_requested();
1876 if (request) {
1877 qemu_kill_report();
1878 qemu_system_shutdown(request);
1879 if (no_shutdown) {
1880 vm_stop(RUN_STATE_SHUTDOWN);
1881 } else {
1882 return true;
1883 }
1884 }
1885 request = qemu_reset_requested();
1886 if (request) {
1887 pause_all_vcpus();
1888 qemu_system_reset(request);
1889 resume_all_vcpus();
1890 if (!runstate_check(RUN_STATE_RUNNING) &&
1891 !runstate_check(RUN_STATE_INMIGRATE)) {
1892 runstate_set(RUN_STATE_PRELAUNCH);
1893 }
1894 }
1895 if (qemu_wakeup_requested()) {
1896 pause_all_vcpus();
1897 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1898 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1899 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1900 resume_all_vcpus();
1901 qapi_event_send_wakeup();
1902 }
1903 if (qemu_powerdown_requested()) {
1904 qemu_system_powerdown();
1905 }
1906 if (qemu_vmstop_requested(&r)) {
1907 vm_stop(r);
1908 }
1909 return false;
1910 }
1911
1912 static void main_loop(void)
1913 {
1914 #ifdef CONFIG_PROFILER
1915 int64_t ti;
1916 #endif
1917 while (!main_loop_should_exit()) {
1918 #ifdef CONFIG_PROFILER
1919 ti = profile_getclock();
1920 #endif
1921 main_loop_wait(false);
1922 #ifdef CONFIG_PROFILER
1923 dev_time += profile_getclock() - ti;
1924 #endif
1925 }
1926 }
1927
1928 static void version(void)
1929 {
1930 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1931 QEMU_COPYRIGHT "\n");
1932 }
1933
1934 static void help(int exitcode)
1935 {
1936 version();
1937 printf("usage: %s [options] [disk_image]\n\n"
1938 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1939 error_get_progname());
1940
1941 #define QEMU_OPTIONS_GENERATE_HELP
1942 #include "qemu-options-wrapper.h"
1943
1944 printf("\nDuring emulation, the following keys are useful:\n"
1945 "ctrl-alt-f toggle full screen\n"
1946 "ctrl-alt-n switch to virtual console 'n'\n"
1947 "ctrl-alt toggle mouse and keyboard grab\n"
1948 "\n"
1949 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1950 "\n"
1951 QEMU_HELP_BOTTOM "\n");
1952
1953 exit(exitcode);
1954 }
1955
1956 #define HAS_ARG 0x0001
1957
1958 typedef struct QEMUOption {
1959 const char *name;
1960 int flags;
1961 int index;
1962 uint32_t arch_mask;
1963 } QEMUOption;
1964
1965 static const QEMUOption qemu_options[] = {
1966 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1967 #define QEMU_OPTIONS_GENERATE_OPTIONS
1968 #include "qemu-options-wrapper.h"
1969 { NULL },
1970 };
1971
1972 typedef struct VGAInterfaceInfo {
1973 const char *opt_name; /* option name */
1974 const char *name; /* human-readable name */
1975 /* Class names indicating that support is available.
1976 * If no class is specified, the interface is always available */
1977 const char *class_names[2];
1978 } VGAInterfaceInfo;
1979
1980 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1981 [VGA_NONE] = {
1982 .opt_name = "none",
1983 },
1984 [VGA_STD] = {
1985 .opt_name = "std",
1986 .name = "standard VGA",
1987 .class_names = { "VGA", "isa-vga" },
1988 },
1989 [VGA_CIRRUS] = {
1990 .opt_name = "cirrus",
1991 .name = "Cirrus VGA",
1992 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1993 },
1994 [VGA_VMWARE] = {
1995 .opt_name = "vmware",
1996 .name = "VMWare SVGA",
1997 .class_names = { "vmware-svga" },
1998 },
1999 [VGA_VIRTIO] = {
2000 .opt_name = "virtio",
2001 .name = "Virtio VGA",
2002 .class_names = { "virtio-vga" },
2003 },
2004 [VGA_QXL] = {
2005 .opt_name = "qxl",
2006 .name = "QXL VGA",
2007 .class_names = { "qxl-vga" },
2008 },
2009 [VGA_TCX] = {
2010 .opt_name = "tcx",
2011 .name = "TCX framebuffer",
2012 .class_names = { "SUNW,tcx" },
2013 },
2014 [VGA_CG3] = {
2015 .opt_name = "cg3",
2016 .name = "CG3 framebuffer",
2017 .class_names = { "cgthree" },
2018 },
2019 [VGA_XENFB] = {
2020 .opt_name = "xenfb",
2021 },
2022 };
2023
2024 static bool vga_interface_available(VGAInterfaceType t)
2025 {
2026 VGAInterfaceInfo *ti = &vga_interfaces[t];
2027
2028 assert(t < VGA_TYPE_MAX);
2029 return !ti->class_names[0] ||
2030 object_class_by_name(ti->class_names[0]) ||
2031 object_class_by_name(ti->class_names[1]);
2032 }
2033
2034 static void select_vgahw(const char *p)
2035 {
2036 const char *opts;
2037 int t;
2038
2039 assert(vga_interface_type == VGA_NONE);
2040 for (t = 0; t < VGA_TYPE_MAX; t++) {
2041 VGAInterfaceInfo *ti = &vga_interfaces[t];
2042 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2043 if (!vga_interface_available(t)) {
2044 error_report("%s not available", ti->name);
2045 exit(1);
2046 }
2047 vga_interface_type = t;
2048 break;
2049 }
2050 }
2051 if (t == VGA_TYPE_MAX) {
2052 invalid_vga:
2053 error_report("unknown vga type: %s", p);
2054 exit(1);
2055 }
2056 while (*opts) {
2057 const char *nextopt;
2058
2059 if (strstart(opts, ",retrace=", &nextopt)) {
2060 opts = nextopt;
2061 if (strstart(opts, "dumb", &nextopt))
2062 vga_retrace_method = VGA_RETRACE_DUMB;
2063 else if (strstart(opts, "precise", &nextopt))
2064 vga_retrace_method = VGA_RETRACE_PRECISE;
2065 else goto invalid_vga;
2066 } else goto invalid_vga;
2067 opts = nextopt;
2068 }
2069 }
2070
2071 static void parse_display_qapi(const char *optarg)
2072 {
2073 DisplayOptions *opts;
2074 Visitor *v;
2075
2076 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2077
2078 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2079 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2080
2081 qapi_free_DisplayOptions(opts);
2082 visit_free(v);
2083 }
2084
2085 DisplayOptions *qmp_query_display_options(Error **errp)
2086 {
2087 return QAPI_CLONE(DisplayOptions, &dpy);
2088 }
2089
2090 static void parse_display(const char *p)
2091 {
2092 const char *opts;
2093
2094 if (strstart(p, "sdl", &opts)) {
2095 /*
2096 * sdl DisplayType needs hand-crafted parser instead of
2097 * parse_display_qapi() due to some options not in
2098 * DisplayOptions, specifically:
2099 * - frame
2100 * Already deprecated.
2101 * - ctrl_grab + alt_grab
2102 * Not clear yet what happens to them long-term. Should
2103 * replaced by something better or deprecated and dropped.
2104 */
2105 dpy.type = DISPLAY_TYPE_SDL;
2106 while (*opts) {
2107 const char *nextopt;
2108
2109 if (strstart(opts, ",alt_grab=", &nextopt)) {
2110 opts = nextopt;
2111 if (strstart(opts, "on", &nextopt)) {
2112 alt_grab = 1;
2113 } else if (strstart(opts, "off", &nextopt)) {
2114 alt_grab = 0;
2115 } else {
2116 goto invalid_sdl_args;
2117 }
2118 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2119 opts = nextopt;
2120 if (strstart(opts, "on", &nextopt)) {
2121 ctrl_grab = 1;
2122 } else if (strstart(opts, "off", &nextopt)) {
2123 ctrl_grab = 0;
2124 } else {
2125 goto invalid_sdl_args;
2126 }
2127 } else if (strstart(opts, ",window_close=", &nextopt)) {
2128 opts = nextopt;
2129 dpy.has_window_close = true;
2130 if (strstart(opts, "on", &nextopt)) {
2131 dpy.window_close = true;
2132 } else if (strstart(opts, "off", &nextopt)) {
2133 dpy.window_close = false;
2134 } else {
2135 goto invalid_sdl_args;
2136 }
2137 } else if (strstart(opts, ",gl=", &nextopt)) {
2138 opts = nextopt;
2139 dpy.has_gl = true;
2140 if (strstart(opts, "on", &nextopt)) {
2141 dpy.gl = DISPLAYGL_MODE_ON;
2142 } else if (strstart(opts, "core", &nextopt)) {
2143 dpy.gl = DISPLAYGL_MODE_CORE;
2144 } else if (strstart(opts, "es", &nextopt)) {
2145 dpy.gl = DISPLAYGL_MODE_ES;
2146 } else if (strstart(opts, "off", &nextopt)) {
2147 dpy.gl = DISPLAYGL_MODE_OFF;
2148 } else {
2149 goto invalid_sdl_args;
2150 }
2151 } else {
2152 invalid_sdl_args:
2153 error_report("invalid SDL option string");
2154 exit(1);
2155 }
2156 opts = nextopt;
2157 }
2158 } else if (strstart(p, "vnc", &opts)) {
2159 /*
2160 * vnc isn't a (local) DisplayType but a protocol for remote
2161 * display access.
2162 */
2163 if (*opts == '=') {
2164 vnc_parse(opts + 1, &error_fatal);
2165 } else {
2166 error_report("VNC requires a display argument vnc=<display>");
2167 exit(1);
2168 }
2169 } else {
2170 parse_display_qapi(p);
2171 }
2172 }
2173
2174 char *qemu_find_file(int type, const char *name)
2175 {
2176 int i;
2177 const char *subdir;
2178 char *buf;
2179
2180 /* Try the name as a straight path first */
2181 if (access(name, R_OK) == 0) {
2182 trace_load_file(name, name);
2183 return g_strdup(name);
2184 }
2185
2186 switch (type) {
2187 case QEMU_FILE_TYPE_BIOS:
2188 subdir = "";
2189 break;
2190 case QEMU_FILE_TYPE_KEYMAP:
2191 subdir = "keymaps/";
2192 break;
2193 default:
2194 abort();
2195 }
2196
2197 for (i = 0; i < data_dir_idx; i++) {
2198 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2199 if (access(buf, R_OK) == 0) {
2200 trace_load_file(name, buf);
2201 return buf;
2202 }
2203 g_free(buf);
2204 }
2205 return NULL;
2206 }
2207
2208 static void qemu_add_data_dir(const char *path)
2209 {
2210 int i;
2211
2212 if (path == NULL) {
2213 return;
2214 }
2215 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2216 return;
2217 }
2218 for (i = 0; i < data_dir_idx; i++) {
2219 if (strcmp(data_dir[i], path) == 0) {
2220 return; /* duplicate */
2221 }
2222 }
2223 data_dir[data_dir_idx++] = g_strdup(path);
2224 }
2225
2226 static inline bool nonempty_str(const char *str)
2227 {
2228 return str && *str;
2229 }
2230
2231 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2232 {
2233 gchar *buf;
2234 size_t size;
2235 const char *name, *file, *str;
2236 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2237
2238 if (fw_cfg == NULL) {
2239 error_setg(errp, "fw_cfg device not available");
2240 return -1;
2241 }
2242 name = qemu_opt_get(opts, "name");
2243 file = qemu_opt_get(opts, "file");
2244 str = qemu_opt_get(opts, "string");
2245
2246 /* we need name and either a file or the content string */
2247 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2248 error_setg(errp, "invalid argument(s)");
2249 return -1;
2250 }
2251 if (nonempty_str(file) && nonempty_str(str)) {
2252 error_setg(errp, "file and string are mutually exclusive");
2253 return -1;
2254 }
2255 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2256 error_setg(errp, "name too long (max. %d char)",
2257 FW_CFG_MAX_FILE_PATH - 1);
2258 return -1;
2259 }
2260 if (strncmp(name, "opt/", 4) != 0) {
2261 warn_report("externally provided fw_cfg item names "
2262 "should be prefixed with \"opt/\"");
2263 }
2264 if (nonempty_str(str)) {
2265 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2266 buf = g_memdup(str, size);
2267 } else {
2268 GError *err = NULL;
2269 if (!g_file_get_contents(file, &buf, &size, &err)) {
2270 error_setg(errp, "can't load %s: %s", file, err->message);
2271 g_error_free(err);
2272 return -1;
2273 }
2274 }
2275 /* For legacy, keep user files in a specific global order. */
2276 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2277 fw_cfg_add_file(fw_cfg, name, buf, size);
2278 fw_cfg_reset_order_override(fw_cfg);
2279 return 0;
2280 }
2281
2282 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2283 {
2284 return qdev_device_help(opts);
2285 }
2286
2287 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2288 {
2289 DeviceState *dev;
2290
2291 dev = qdev_device_add(opts, errp);
2292 if (!dev) {
2293 return -1;
2294 }
2295 object_unref(OBJECT(dev));
2296 return 0;
2297 }
2298
2299 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2300 {
2301 Error *local_err = NULL;
2302
2303 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2304 if (local_err) {
2305 error_propagate(errp, local_err);
2306 return -1;
2307 }
2308 exit(0);
2309 }
2310 return 0;
2311 }
2312
2313 #ifdef CONFIG_VIRTFS
2314 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2315 {
2316 return qemu_fsdev_add(opts, errp);
2317 }
2318 #endif
2319
2320 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2321 {
2322 Chardev *chr;
2323 const char *chardev;
2324 const char *mode;
2325 int flags;
2326
2327 mode = qemu_opt_get(opts, "mode");
2328 if (mode == NULL) {
2329 mode = "readline";
2330 }
2331 if (strcmp(mode, "readline") == 0) {
2332 flags = MONITOR_USE_READLINE;
2333 } else if (strcmp(mode, "control") == 0) {
2334 flags = MONITOR_USE_CONTROL;
2335 } else {
2336 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2337 return -1;
2338 }
2339
2340 if (qemu_opt_get_bool(opts, "pretty", 0))
2341 flags |= MONITOR_USE_PRETTY;
2342
2343 chardev = qemu_opt_get(opts, "chardev");
2344 if (!chardev) {
2345 error_report("chardev is required");
2346 exit(1);
2347 }
2348 chr = qemu_chr_find(chardev);
2349 if (chr == NULL) {
2350 error_setg(errp, "chardev \"%s\" not found", chardev);
2351 return -1;
2352 }
2353
2354 monitor_init(chr, flags);
2355 return 0;
2356 }
2357
2358 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2359 {
2360 static int monitor_device_index = 0;
2361 QemuOpts *opts;
2362 const char *p;
2363 char label[32];
2364
2365 if (strstart(optarg, "chardev:", &p)) {
2366 snprintf(label, sizeof(label), "%s", p);
2367 } else {
2368 snprintf(label, sizeof(label), "compat_monitor%d",
2369 monitor_device_index);
2370 opts = qemu_chr_parse_compat(label, optarg, true);
2371 if (!opts) {
2372 error_report("parse error: %s", optarg);
2373 exit(1);
2374 }
2375 }
2376
2377 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2378 qemu_opt_set(opts, "mode", mode, &error_abort);
2379 qemu_opt_set(opts, "chardev", label, &error_abort);
2380 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2381 monitor_device_index++;
2382 }
2383
2384 struct device_config {
2385 enum {
2386 DEV_USB, /* -usbdevice */
2387 DEV_BT, /* -bt */
2388 DEV_SERIAL, /* -serial */
2389 DEV_PARALLEL, /* -parallel */
2390 DEV_DEBUGCON, /* -debugcon */
2391 DEV_GDB, /* -gdb, -s */
2392 DEV_SCLP, /* s390 sclp */
2393 } type;
2394 const char *cmdline;
2395 Location loc;
2396 QTAILQ_ENTRY(device_config) next;
2397 };
2398
2399 static QTAILQ_HEAD(, device_config) device_configs =
2400 QTAILQ_HEAD_INITIALIZER(device_configs);
2401
2402 static void add_device_config(int type, const char *cmdline)
2403 {
2404 struct device_config *conf;
2405
2406 conf = g_malloc0(sizeof(*conf));
2407 conf->type = type;
2408 conf->cmdline = cmdline;
2409 loc_save(&conf->loc);
2410 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2411 }
2412
2413 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2414 {
2415 struct device_config *conf;
2416 int rc;
2417
2418 QTAILQ_FOREACH(conf, &device_configs, next) {
2419 if (conf->type != type)
2420 continue;
2421 loc_push_restore(&conf->loc);
2422 rc = func(conf->cmdline);
2423 loc_pop(&conf->loc);
2424 if (rc) {
2425 return rc;
2426 }
2427 }
2428 return 0;
2429 }
2430
2431 static int serial_parse(const char *devname)
2432 {
2433 int index = num_serial_hds;
2434 char label[32];
2435
2436 if (strcmp(devname, "none") == 0)
2437 return 0;
2438 snprintf(label, sizeof(label), "serial%d", index);
2439 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2440
2441 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2442 if (!serial_hds[index]) {
2443 error_report("could not connect serial device"
2444 " to character backend '%s'", devname);
2445 return -1;
2446 }
2447 num_serial_hds++;
2448 return 0;
2449 }
2450
2451 Chardev *serial_hd(int i)
2452 {
2453 assert(i >= 0);
2454 if (i < num_serial_hds) {
2455 return serial_hds[i];
2456 }
2457 return NULL;
2458 }
2459
2460 int serial_max_hds(void)
2461 {
2462 return num_serial_hds;
2463 }
2464
2465 static int parallel_parse(const char *devname)
2466 {
2467 static int index = 0;
2468 char label[32];
2469
2470 if (strcmp(devname, "none") == 0)
2471 return 0;
2472 if (index == MAX_PARALLEL_PORTS) {
2473 error_report("too many parallel ports");
2474 exit(1);
2475 }
2476 snprintf(label, sizeof(label), "parallel%d", index);
2477 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2478 if (!parallel_hds[index]) {
2479 error_report("could not connect parallel device"
2480 " to character backend '%s'", devname);
2481 return -1;
2482 }
2483 index++;
2484 return 0;
2485 }
2486
2487 static int debugcon_parse(const char *devname)
2488 {
2489 QemuOpts *opts;
2490
2491 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
2492 error_report("invalid character backend '%s'", devname);
2493 exit(1);
2494 }
2495 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2496 if (!opts) {
2497 error_report("already have a debugcon device");
2498 exit(1);
2499 }
2500 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2501 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2502 return 0;
2503 }
2504
2505 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2506 {
2507 const MachineClass *mc1 = a, *mc2 = b;
2508 int res;
2509
2510 if (mc1->family == NULL) {
2511 if (mc2->family == NULL) {
2512 /* Compare standalone machine types against each other; they sort
2513 * in increasing order.
2514 */
2515 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2516 object_class_get_name(OBJECT_CLASS(mc2)));
2517 }
2518
2519 /* Standalone machine types sort after families. */
2520 return 1;
2521 }
2522
2523 if (mc2->family == NULL) {
2524 /* Families sort before standalone machine types. */
2525 return -1;
2526 }
2527
2528 /* Families sort between each other alphabetically increasingly. */
2529 res = strcmp(mc1->family, mc2->family);
2530 if (res != 0) {
2531 return res;
2532 }
2533
2534 /* Within the same family, machine types sort in decreasing order. */
2535 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2536 object_class_get_name(OBJECT_CLASS(mc1)));
2537 }
2538
2539 static MachineClass *machine_parse(const char *name)
2540 {
2541 MachineClass *mc = NULL;
2542 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2543
2544 if (name) {
2545 mc = find_machine(name);
2546 }
2547 if (mc) {
2548 g_slist_free(machines);
2549 return mc;
2550 }
2551 if (name && !is_help_option(name)) {
2552 error_report("unsupported machine type");
2553 error_printf("Use -machine help to list supported machines\n");
2554 } else {
2555 printf("Supported machines are:\n");
2556 machines = g_slist_sort(machines, machine_class_cmp);
2557 for (el = machines; el; el = el->next) {
2558 MachineClass *mc = el->data;
2559 if (mc->alias) {
2560 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2561 }
2562 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2563 mc->is_default ? " (default)" : "",
2564 mc->deprecation_reason ? " (deprecated)" : "");
2565 }
2566 }
2567
2568 g_slist_free(machines);
2569 exit(!name || !is_help_option(name));
2570 }
2571
2572 void qemu_add_exit_notifier(Notifier *notify)
2573 {
2574 notifier_list_add(&exit_notifiers, notify);
2575 }
2576
2577 void qemu_remove_exit_notifier(Notifier *notify)
2578 {
2579 notifier_remove(notify);
2580 }
2581
2582 static void qemu_run_exit_notifiers(void)
2583 {
2584 notifier_list_notify(&exit_notifiers, NULL);
2585 }
2586
2587 static const char *pid_file;
2588 static Notifier qemu_unlink_pidfile_notifier;
2589
2590 static void qemu_unlink_pidfile(Notifier *n, void *data)
2591 {
2592 if (pid_file) {
2593 unlink(pid_file);
2594 }
2595 }
2596
2597 bool machine_init_done;
2598
2599 void qemu_add_machine_init_done_notifier(Notifier *notify)
2600 {
2601 notifier_list_add(&machine_init_done_notifiers, notify);
2602 if (machine_init_done) {
2603 notify->notify(notify, NULL);
2604 }
2605 }
2606
2607 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2608 {
2609 notifier_remove(notify);
2610 }
2611
2612 static void qemu_run_machine_init_done_notifiers(void)
2613 {
2614 machine_init_done = true;
2615 notifier_list_notify(&machine_init_done_notifiers, NULL);
2616 }
2617
2618 static const QEMUOption *lookup_opt(int argc, char **argv,
2619 const char **poptarg, int *poptind)
2620 {
2621 const QEMUOption *popt;
2622 int optind = *poptind;
2623 char *r = argv[optind];
2624 const char *optarg;
2625
2626 loc_set_cmdline(argv, optind, 1);
2627 optind++;
2628 /* Treat --foo the same as -foo. */
2629 if (r[1] == '-')
2630 r++;
2631 popt = qemu_options;
2632 for(;;) {
2633 if (!popt->name) {
2634 error_report("invalid option");
2635 exit(1);
2636 }
2637 if (!strcmp(popt->name, r + 1))
2638 break;
2639 popt++;
2640 }
2641 if (popt->flags & HAS_ARG) {
2642 if (optind >= argc) {
2643 error_report("requires an argument");
2644 exit(1);
2645 }
2646 optarg = argv[optind++];
2647 loc_set_cmdline(argv, optind - 2, 2);
2648 } else {
2649 optarg = NULL;
2650 }
2651
2652 *poptarg = optarg;
2653 *poptind = optind;
2654
2655 return popt;
2656 }
2657
2658 static MachineClass *select_machine(void)
2659 {
2660 MachineClass *machine_class = find_default_machine();
2661 const char *optarg;
2662 QemuOpts *opts;
2663 Location loc;
2664
2665 loc_push_none(&loc);
2666
2667 opts = qemu_get_machine_opts();
2668 qemu_opts_loc_restore(opts);
2669
2670 optarg = qemu_opt_get(opts, "type");
2671 if (optarg) {
2672 machine_class = machine_parse(optarg);
2673 }
2674
2675 if (!machine_class) {
2676 error_report("No machine specified, and there is no default");
2677 error_printf("Use -machine help to list supported machines\n");
2678 exit(1);
2679 }
2680
2681 loc_pop(&loc);
2682 return machine_class;
2683 }
2684
2685 static int machine_set_property(void *opaque,
2686 const char *name, const char *value,
2687 Error **errp)
2688 {
2689 Object *obj = OBJECT(opaque);
2690 Error *local_err = NULL;
2691 char *p, *qom_name;
2692
2693 if (strcmp(name, "type") == 0) {
2694 return 0;
2695 }
2696
2697 qom_name = g_strdup(name);
2698 for (p = qom_name; *p; p++) {
2699 if (*p == '_') {
2700 *p = '-';
2701 }
2702 }
2703
2704 object_property_parse(obj, value, qom_name, &local_err);
2705 g_free(qom_name);
2706
2707 if (local_err) {
2708 error_propagate(errp, local_err);
2709 return -1;
2710 }
2711
2712 return 0;
2713 }
2714
2715
2716 /*
2717 * Initial object creation happens before all other
2718 * QEMU data types are created. The majority of objects
2719 * can be created at this point. The rng-egd object
2720 * cannot be created here, as it depends on the chardev
2721 * already existing.
2722 */
2723 static bool object_create_initial(const char *type, QemuOpts *opts)
2724 {
2725 ObjectClass *klass;
2726
2727 if (is_help_option(type)) {
2728 GSList *l, *list;
2729
2730 printf("List of user creatable objects:\n");
2731 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2732 for (l = list; l != NULL; l = l->next) {
2733 ObjectClass *oc = OBJECT_CLASS(l->data);
2734 printf(" %s\n", object_class_get_name(oc));
2735 }
2736 g_slist_free(list);
2737 exit(0);
2738 }
2739
2740 klass = object_class_by_name(type);
2741 if (klass && qemu_opt_has_help_opt(opts)) {
2742 ObjectPropertyIterator iter;
2743 ObjectProperty *prop;
2744 GPtrArray *array = g_ptr_array_new();
2745 int i;
2746
2747 object_class_property_iter_init(&iter, klass);
2748 while ((prop = object_property_iter_next(&iter))) {
2749 GString *str;
2750
2751 if (!prop->set) {
2752 continue;
2753 }
2754
2755 str = g_string_new(NULL);
2756 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2757 if (prop->description) {
2758 if (str->len < 24) {
2759 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2760 }
2761 g_string_append_printf(str, " - %s", prop->description);
2762 }
2763 g_ptr_array_add(array, g_string_free(str, false));
2764 }
2765 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2766 if (array->len > 0) {
2767 printf("%s options:\n", type);
2768 } else {
2769 printf("There are no options for %s.\n", type);
2770 }
2771 for (i = 0; i < array->len; i++) {
2772 printf("%s\n", (char *)array->pdata[i]);
2773 }
2774 g_ptr_array_set_free_func(array, g_free);
2775 g_ptr_array_free(array, true);
2776 exit(0);
2777 }
2778
2779 if (g_str_equal(type, "rng-egd") ||
2780 g_str_has_prefix(type, "pr-manager-")) {
2781 return false;
2782 }
2783
2784 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2785 if (g_str_equal(type, "cryptodev-vhost-user")) {
2786 return false;
2787 }
2788 #endif
2789
2790 /*
2791 * return false for concrete netfilters since
2792 * they depend on netdevs already existing
2793 */
2794 if (g_str_equal(type, "filter-buffer") ||
2795 g_str_equal(type, "filter-dump") ||
2796 g_str_equal(type, "filter-mirror") ||
2797 g_str_equal(type, "filter-redirector") ||
2798 g_str_equal(type, "colo-compare") ||
2799 g_str_equal(type, "filter-rewriter") ||
2800 g_str_equal(type, "filter-replay")) {
2801 return false;
2802 }
2803
2804 /* Memory allocation by backends needs to be done
2805 * after configure_accelerator() (due to the tcg_enabled()
2806 * checks at memory_region_init_*()).
2807 *
2808 * Also, allocation of large amounts of memory may delay
2809 * chardev initialization for too long, and trigger timeouts
2810 * on software that waits for a monitor socket to be created
2811 * (e.g. libvirt).
2812 */
2813 if (g_str_has_prefix(type, "memory-backend-")) {
2814 return false;
2815 }
2816
2817 return true;
2818 }
2819
2820
2821 /*
2822 * The remainder of object creation happens after the
2823 * creation of chardev, fsdev, net clients and device data types.
2824 */
2825 static bool object_create_delayed(const char *type, QemuOpts *opts)
2826 {
2827 return !object_create_initial(type, opts);
2828 }
2829
2830
2831 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2832 MachineClass *mc)
2833 {
2834 uint64_t sz;
2835 const char *mem_str;
2836 const ram_addr_t default_ram_size = mc->default_ram_size;
2837 QemuOpts *opts = qemu_find_opts_singleton("memory");
2838 Location loc;
2839
2840 loc_push_none(&loc);
2841 qemu_opts_loc_restore(opts);
2842
2843 sz = 0;
2844 mem_str = qemu_opt_get(opts, "size");
2845 if (mem_str) {
2846 if (!*mem_str) {
2847 error_report("missing 'size' option value");
2848 exit(EXIT_FAILURE);
2849 }
2850
2851 sz = qemu_opt_get_size(opts, "size", ram_size);
2852
2853 /* Fix up legacy suffix-less format */
2854 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2855 uint64_t overflow_check = sz;
2856
2857 sz *= MiB;
2858 if (sz / MiB != overflow_check) {
2859 error_report("too large 'size' option value");
2860 exit(EXIT_FAILURE);
2861 }
2862 }
2863 }
2864
2865 /* backward compatibility behaviour for case "-m 0" */
2866 if (sz == 0) {
2867 sz = default_ram_size;
2868 }
2869
2870 sz = QEMU_ALIGN_UP(sz, 8192);
2871 ram_size = sz;
2872 if (ram_size != sz) {
2873 error_report("ram size too large");
2874 exit(EXIT_FAILURE);
2875 }
2876
2877 /* store value for the future use */
2878 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2879 *maxram_size = ram_size;
2880
2881 if (qemu_opt_get(opts, "maxmem")) {
2882 uint64_t slots;
2883
2884 sz = qemu_opt_get_size(opts, "maxmem", 0);
2885 slots = qemu_opt_get_number(opts, "slots", 0);
2886 if (sz < ram_size) {
2887 error_report("invalid value of -m option maxmem: "
2888 "maximum memory size (0x%" PRIx64 ") must be at least "
2889 "the initial memory size (0x" RAM_ADDR_FMT ")",
2890 sz, ram_size);
2891 exit(EXIT_FAILURE);
2892 } else if (slots && sz == ram_size) {
2893 error_report("invalid value of -m option maxmem: "
2894 "memory slots were specified but maximum memory size "
2895 "(0x%" PRIx64 ") is equal to the initial memory size "
2896 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2897 exit(EXIT_FAILURE);
2898 }
2899
2900 *maxram_size = sz;
2901 *ram_slots = slots;
2902 } else if (qemu_opt_get(opts, "slots")) {
2903 error_report("invalid -m option value: missing 'maxmem' option");
2904 exit(EXIT_FAILURE);
2905 }
2906
2907 loc_pop(&loc);
2908 }
2909
2910 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2911 {
2912 GlobalProperty *g;
2913
2914 g = g_malloc0(sizeof(*g));
2915 g->driver = qemu_opt_get(opts, "driver");
2916 g->property = qemu_opt_get(opts, "property");
2917 g->value = qemu_opt_get(opts, "value");
2918 qdev_prop_register_global(g);
2919 return 0;
2920 }
2921
2922 static int qemu_read_default_config_file(void)
2923 {
2924 int ret;
2925
2926 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2927 if (ret < 0 && ret != -ENOENT) {
2928 return ret;
2929 }
2930
2931 return 0;
2932 }
2933
2934 static void user_register_global_props(void)
2935 {
2936 qemu_opts_foreach(qemu_find_opts("global"),
2937 global_init_func, NULL, NULL);
2938 }
2939
2940 /*
2941 * Note: we should see that these properties are actually having a
2942 * priority: accel < machine < user. This means e.g. when user
2943 * specifies something in "-global", it'll always be used with highest
2944 * priority than either machine/accelerator compat properties.
2945 */
2946 static void register_global_properties(MachineState *ms)
2947 {
2948 user_register_global_props();
2949 }
2950
2951 int main(int argc, char **argv, char **envp)
2952 {
2953 int i;
2954 int snapshot, linux_boot;
2955 const char *initrd_filename;
2956 const char *kernel_filename, *kernel_cmdline;
2957 const char *boot_order = NULL;
2958 const char *boot_once = NULL;
2959 DisplayState *ds;
2960 QemuOpts *opts, *machine_opts;
2961 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2962 QemuOptsList *olist;
2963 int optind;
2964 const char *optarg;
2965 const char *loadvm = NULL;
2966 MachineClass *machine_class;
2967 const char *cpu_model;
2968 const char *vga_model = NULL;
2969 const char *qtest_chrdev = NULL;
2970 const char *qtest_log = NULL;
2971 const char *incoming = NULL;
2972 bool userconfig = true;
2973 bool nographic = false;
2974 int display_remote = 0;
2975 const char *log_mask = NULL;
2976 const char *log_file = NULL;
2977 char *trace_file = NULL;
2978 ram_addr_t maxram_size;
2979 uint64_t ram_slots = 0;
2980 FILE *vmstate_dump_file = NULL;
2981 Error *main_loop_err = NULL;
2982 Error *err = NULL;
2983 bool list_data_dirs = false;
2984 char *dir, **dirs;
2985 typedef struct BlockdevOptions_queue {
2986 BlockdevOptions *bdo;
2987 Location loc;
2988 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2989 } BlockdevOptions_queue;
2990 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2991 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2992
2993 module_call_init(MODULE_INIT_TRACE);
2994
2995 qemu_init_cpu_list();
2996 qemu_init_cpu_loop();
2997
2998 qemu_mutex_lock_iothread();
2999
3000 atexit(qemu_run_exit_notifiers);
3001 error_set_progname(argv[0]);
3002 qemu_init_exec_dir(argv[0]);
3003
3004 module_call_init(MODULE_INIT_QOM);
3005
3006 qemu_add_opts(&qemu_drive_opts);
3007 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3008 qemu_add_drive_opts(&qemu_common_drive_opts);
3009 qemu_add_drive_opts(&qemu_drive_opts);
3010 qemu_add_drive_opts(&bdrv_runtime_opts);
3011 qemu_add_opts(&qemu_chardev_opts);
3012 qemu_add_opts(&qemu_device_opts);
3013 qemu_add_opts(&qemu_netdev_opts);
3014 qemu_add_opts(&qemu_nic_opts);
3015 qemu_add_opts(&qemu_net_opts);
3016 qemu_add_opts(&qemu_rtc_opts);
3017 qemu_add_opts(&qemu_global_opts);
3018 qemu_add_opts(&qemu_mon_opts);
3019 qemu_add_opts(&qemu_trace_opts);
3020 qemu_add_opts(&qemu_option_rom_opts);
3021 qemu_add_opts(&qemu_machine_opts);
3022 qemu_add_opts(&qemu_accel_opts);
3023 qemu_add_opts(&qemu_mem_opts);
3024 qemu_add_opts(&qemu_smp_opts);
3025 qemu_add_opts(&qemu_boot_opts);
3026 qemu_add_opts(&qemu_add_fd_opts);
3027 qemu_add_opts(&qemu_object_opts);
3028 qemu_add_opts(&qemu_tpmdev_opts);
3029 qemu_add_opts(&qemu_realtime_opts);
3030 qemu_add_opts(&qemu_overcommit_opts);
3031 qemu_add_opts(&qemu_msg_opts);
3032 qemu_add_opts(&qemu_name_opts);
3033 qemu_add_opts(&qemu_numa_opts);
3034 qemu_add_opts(&qemu_icount_opts);
3035 qemu_add_opts(&qemu_semihosting_config_opts);
3036 qemu_add_opts(&qemu_fw_cfg_opts);
3037 module_call_init(MODULE_INIT_OPTS);
3038
3039 runstate_init();
3040 precopy_infrastructure_init();
3041 postcopy_infrastructure_init();
3042 monitor_init_globals();
3043
3044 if (qcrypto_init(&err) < 0) {
3045 error_reportf_err(err, "cannot initialize crypto: ");
3046 exit(1);
3047 }
3048
3049 QLIST_INIT (&vm_change_state_head);
3050 os_setup_early_signal_handling();
3051
3052 cpu_model = NULL;
3053 snapshot = 0;
3054
3055 nb_nics = 0;
3056
3057 bdrv_init_with_whitelist();
3058
3059 autostart = 1;
3060
3061 /* first pass of option parsing */
3062 optind = 1;
3063 while (optind < argc) {
3064 if (argv[optind][0] != '-') {
3065 /* disk image */
3066 optind++;
3067 } else {
3068 const QEMUOption *popt;
3069
3070 popt = lookup_opt(argc, argv, &optarg, &optind);
3071 switch (popt->index) {
3072 case QEMU_OPTION_nouserconfig:
3073 userconfig = false;
3074 break;
3075 }
3076 }
3077 }
3078
3079 if (userconfig) {
3080 if (qemu_read_default_config_file() < 0) {
3081 exit(1);
3082 }
3083 }
3084
3085 /* second pass of option parsing */
3086 optind = 1;
3087 for(;;) {
3088 if (optind >= argc)
3089 break;
3090 if (argv[optind][0] != '-') {
3091 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3092 } else {
3093 const QEMUOption *popt;
3094
3095 popt = lookup_opt(argc, argv, &optarg, &optind);
3096 if (!(popt->arch_mask & arch_type)) {
3097 error_report("Option not supported for this target");
3098 exit(1);
3099 }
3100 switch(popt->index) {
3101 case QEMU_OPTION_cpu:
3102 /* hw initialization will check this */
3103 cpu_model = optarg;
3104 break;
3105 case QEMU_OPTION_hda:
3106 case QEMU_OPTION_hdb:
3107 case QEMU_OPTION_hdc:
3108 case QEMU_OPTION_hdd:
3109 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3110 HD_OPTS);
3111 break;
3112 case QEMU_OPTION_blockdev:
3113 {
3114 Visitor *v;
3115 BlockdevOptions_queue *bdo;
3116
3117 v = qobject_input_visitor_new_str(optarg, "driver",
3118 &error_fatal);
3119
3120 bdo = g_new(BlockdevOptions_queue, 1);
3121 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3122 &error_fatal);
3123 visit_free(v);
3124 loc_save(&bdo->loc);
3125 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3126 break;
3127 }
3128 case QEMU_OPTION_drive:
3129 if (drive_def(optarg) == NULL) {
3130 exit(1);
3131 }
3132 break;
3133 case QEMU_OPTION_set:
3134 if (qemu_set_option(optarg) != 0)
3135 exit(1);
3136 break;
3137 case QEMU_OPTION_global:
3138 if (qemu_global_option(optarg) != 0)
3139 exit(1);
3140 break;
3141 case QEMU_OPTION_mtdblock:
3142 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3143 break;
3144 case QEMU_OPTION_sd:
3145 drive_add(IF_SD, -1, optarg, SD_OPTS);
3146 break;
3147 case QEMU_OPTION_pflash:
3148 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3149 break;
3150 case QEMU_OPTION_snapshot:
3151 snapshot = 1;
3152 break;
3153 case QEMU_OPTION_numa:
3154 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3155 optarg, true);
3156 if (!opts) {
3157 exit(1);
3158 }
3159 break;
3160 case QEMU_OPTION_display:
3161 parse_display(optarg);
3162 break;
3163 case QEMU_OPTION_nographic:
3164 olist = qemu_find_opts("machine");
3165 qemu_opts_parse_noisily(olist, "graphics=off", false);
3166 nographic = true;
3167 dpy.type = DISPLAY_TYPE_NONE;
3168 break;
3169 case QEMU_OPTION_curses:
3170 #ifdef CONFIG_CURSES
3171 dpy.type = DISPLAY_TYPE_CURSES;
3172 #else
3173 error_report("curses support is disabled");
3174 exit(1);
3175 #endif
3176 break;
3177 case QEMU_OPTION_portrait:
3178 graphic_rotate = 90;
3179 break;
3180 case QEMU_OPTION_rotate:
3181 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3182 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3183 graphic_rotate != 180 && graphic_rotate != 270) {
3184 error_report("only 90, 180, 270 deg rotation is available");
3185 exit(1);
3186 }
3187 break;
3188 case QEMU_OPTION_kernel:
3189 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3190 &error_abort);
3191 break;
3192 case QEMU_OPTION_initrd:
3193 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3194 &error_abort);
3195 break;
3196 case QEMU_OPTION_append:
3197 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3198 &error_abort);
3199 break;
3200 case QEMU_OPTION_dtb:
3201 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3202 &error_abort);
3203 break;
3204 case QEMU_OPTION_cdrom:
3205 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3206 break;
3207 case QEMU_OPTION_boot:
3208 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3209 optarg, true);
3210 if (!opts) {
3211 exit(1);
3212 }
3213 break;
3214 case QEMU_OPTION_fda:
3215 case QEMU_OPTION_fdb:
3216 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3217 optarg, FD_OPTS);
3218 break;
3219 case QEMU_OPTION_no_fd_bootchk:
3220 fd_bootchk = 0;
3221 break;
3222 case QEMU_OPTION_netdev:
3223 default_net = 0;
3224 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3225 exit(1);
3226 }
3227 break;
3228 case QEMU_OPTION_nic:
3229 default_net = 0;
3230 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3231 exit(1);
3232 }
3233 break;
3234 case QEMU_OPTION_net:
3235 default_net = 0;
3236 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3237 exit(1);
3238 }
3239 break;
3240 #ifdef CONFIG_LIBISCSI
3241 case QEMU_OPTION_iscsi:
3242 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3243 optarg, false);
3244 if (!opts) {
3245 exit(1);
3246 }
3247 break;
3248 #endif
3249 case QEMU_OPTION_bt:
3250 warn_report("The bluetooth subsystem is deprecated and will "
3251 "be removed soon. If the bluetooth subsystem is "
3252 "still useful for you, please send a mail to "
3253 "qemu-devel@nongnu.org with your usecase.");
3254 add_device_config(DEV_BT, optarg);
3255 break;
3256 case QEMU_OPTION_audio_help:
3257 AUD_help ();
3258 exit (0);
3259 break;
3260 case QEMU_OPTION_soundhw:
3261 select_soundhw (optarg);
3262 break;
3263 case QEMU_OPTION_h:
3264 help(0);
3265 break;
3266 case QEMU_OPTION_version:
3267 version();
3268 exit(0);
3269 break;
3270 case QEMU_OPTION_m:
3271 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3272 optarg, true);
3273 if (!opts) {
3274 exit(EXIT_FAILURE);
3275 }
3276 break;
3277 #ifdef CONFIG_TPM
3278 case QEMU_OPTION_tpmdev:
3279 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3280 exit(1);
3281 }
3282 break;
3283 #endif
3284 case QEMU_OPTION_mempath:
3285 mem_path = optarg;
3286 break;
3287 case QEMU_OPTION_mem_prealloc:
3288 mem_prealloc = 1;
3289 break;
3290 case QEMU_OPTION_d:
3291 log_mask = optarg;
3292 break;
3293 case QEMU_OPTION_D:
3294 log_file = optarg;
3295 break;
3296 case QEMU_OPTION_DFILTER:
3297 qemu_set_dfilter_ranges(optarg, &error_fatal);
3298 break;
3299 case QEMU_OPTION_s:
3300 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3301 break;
3302 case QEMU_OPTION_gdb:
3303 add_device_config(DEV_GDB, optarg);
3304 break;
3305 case QEMU_OPTION_L:
3306 if (is_help_option(optarg)) {
3307 list_data_dirs = true;
3308 } else {
3309 qemu_add_data_dir(optarg);
3310 }
3311 break;
3312 case QEMU_OPTION_bios:
3313 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3314 &error_abort);
3315 break;
3316 case QEMU_OPTION_singlestep:
3317 singlestep = 1;
3318 break;
3319 case QEMU_OPTION_S:
3320 autostart = 0;
3321 break;
3322 case QEMU_OPTION_k:
3323 keyboard_layout = optarg;
3324 break;
3325 case QEMU_OPTION_vga:
3326 vga_model = optarg;
3327 default_vga = 0;
3328 break;
3329 case QEMU_OPTION_g:
3330 {
3331 const char *p;
3332 int w, h, depth;
3333 p = optarg;
3334 w = strtol(p, (char **)&p, 10);
3335 if (w <= 0) {
3336 graphic_error:
3337 error_report("invalid resolution or depth");
3338 exit(1);
3339 }
3340 if (*p != 'x')
3341 goto graphic_error;
3342 p++;
3343 h = strtol(p, (char **)&p, 10);
3344 if (h <= 0)
3345 goto graphic_error;
3346 if (*p == 'x') {
3347 p++;
3348 depth = strtol(p, (char **)&p, 10);
3349 if (depth != 8 && depth != 15 && depth != 16 &&
3350 depth != 24 && depth != 32)
3351 goto graphic_error;
3352 } else if (*p == '\0') {
3353 depth = graphic_depth;
3354 } else {
3355 goto graphic_error;
3356 }
3357
3358 graphic_width = w;
3359 graphic_height = h;
3360 graphic_depth = depth;
3361 }
3362 break;
3363 case QEMU_OPTION_echr:
3364 {
3365 char *r;
3366 term_escape_char = strtol(optarg, &r, 0);
3367 if (r == optarg)
3368 printf("Bad argument to echr\n");
3369 break;
3370 }
3371 case QEMU_OPTION_monitor:
3372 default_monitor = 0;
3373 if (strncmp(optarg, "none", 4)) {
3374 monitor_parse(optarg, "readline", false);
3375 }
3376 break;
3377 case QEMU_OPTION_qmp:
3378 monitor_parse(optarg, "control", false);
3379 default_monitor = 0;
3380 break;
3381 case QEMU_OPTION_qmp_pretty:
3382 monitor_parse(optarg, "control", true);
3383 default_monitor = 0;
3384 break;
3385 case QEMU_OPTION_mon:
3386 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3387 true);
3388 if (!opts) {
3389 exit(1);
3390 }
3391 default_monitor = 0;
3392 break;
3393 case QEMU_OPTION_chardev:
3394 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3395 optarg, true);
3396 if (!opts) {
3397 exit(1);
3398 }
3399 break;
3400 case QEMU_OPTION_fsdev:
3401 olist = qemu_find_opts("fsdev");
3402 if (!olist) {
3403 error_report("fsdev support is disabled");
3404 exit(1);
3405 }
3406 opts = qemu_opts_parse_noisily(olist, optarg, true);
3407 if (!opts) {
3408 exit(1);
3409 }
3410 break;
3411 case QEMU_OPTION_virtfs: {
3412 QemuOpts *fsdev;
3413 QemuOpts *device;
3414 const char *writeout, *sock_fd, *socket, *path, *security_model;
3415
3416 olist = qemu_find_opts("virtfs");
3417 if (!olist) {
3418 error_report("virtfs support is disabled");
3419 exit(1);
3420 }
3421 opts = qemu_opts_parse_noisily(olist, optarg, true);
3422 if (!opts) {
3423 exit(1);
3424 }
3425
3426 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3427 qemu_opt_get(opts, "mount_tag") == NULL) {
3428 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3429 exit(1);
3430 }
3431 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3432 qemu_opts_id(opts) ?:
3433 qemu_opt_get(opts, "mount_tag"),
3434 1, NULL);
3435 if (!fsdev) {
3436 error_report("duplicate or invalid fsdev id: %s",
3437 qemu_opt_get(opts, "mount_tag"));
3438 exit(1);
3439 }
3440
3441 writeout = qemu_opt_get(opts, "writeout");
3442 if (writeout) {
3443 #ifdef CONFIG_SYNC_FILE_RANGE
3444 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3445 #else
3446 error_report("writeout=immediate not supported "
3447 "on this platform");
3448 exit(1);
3449 #endif
3450 }
3451 qemu_opt_set(fsdev, "fsdriver",
3452 qemu_opt_get(opts, "fsdriver"), &error_abort);
3453 path = qemu_opt_get(opts, "path");
3454 if (path) {
3455 qemu_opt_set(fsdev, "path", path, &error_abort);
3456 }
3457 security_model = qemu_opt_get(opts, "security_model");
3458 if (security_model) {
3459 qemu_opt_set(fsdev, "security_model", security_model,
3460 &error_abort);
3461 }
3462 socket = qemu_opt_get(opts, "socket");
3463 if (socket) {
3464 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3465 }
3466 sock_fd = qemu_opt_get(opts, "sock_fd");
3467 if (sock_fd) {
3468 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3469 }
3470
3471 qemu_opt_set_bool(fsdev, "readonly",
3472 qemu_opt_get_bool(opts, "readonly", 0),
3473 &error_abort);
3474 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3475 &error_abort);
3476 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3477 qemu_opt_set(device, "fsdev",
3478 qemu_opts_id(fsdev), &error_abort);
3479 qemu_opt_set(device, "mount_tag",
3480 qemu_opt_get(opts, "mount_tag"), &error_abort);
3481 break;
3482 }
3483 case QEMU_OPTION_virtfs_synth: {
3484 QemuOpts *fsdev;
3485 QemuOpts *device;
3486
3487 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3488 1, NULL);
3489 if (!fsdev) {
3490 error_report("duplicate option: %s", "virtfs_synth");
3491 exit(1);
3492 }
3493 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3494
3495 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3496 &error_abort);
3497 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3498 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3499 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3500 break;
3501 }
3502 case QEMU_OPTION_serial:
3503 add_device_config(DEV_SERIAL, optarg);
3504 default_serial = 0;
3505 if (strncmp(optarg, "mon:", 4) == 0) {
3506 default_monitor = 0;
3507 }
3508 break;
3509 case QEMU_OPTION_watchdog:
3510 if (watchdog) {
3511 error_report("only one watchdog option may be given");
3512 return 1;
3513 }
3514 watchdog = optarg;
3515 break;
3516 case QEMU_OPTION_watchdog_action:
3517 if (select_watchdog_action(optarg) == -1) {
3518 error_report("unknown -watchdog-action parameter");
3519 exit(1);
3520 }
3521 break;
3522 case QEMU_OPTION_parallel:
3523 add_device_config(DEV_PARALLEL, optarg);
3524 default_parallel = 0;
3525 if (strncmp(optarg, "mon:", 4) == 0) {
3526 default_monitor = 0;
3527 }
3528 break;
3529 case QEMU_OPTION_debugcon:
3530 add_device_config(DEV_DEBUGCON, optarg);
3531 break;
3532 case QEMU_OPTION_loadvm:
3533 loadvm = optarg;
3534 break;
3535 case QEMU_OPTION_full_screen:
3536 dpy.has_full_screen = true;
3537 dpy.full_screen = true;
3538 break;
3539 case QEMU_OPTION_alt_grab:
3540 alt_grab = 1;
3541 break;
3542 case QEMU_OPTION_ctrl_grab:
3543 ctrl_grab = 1;
3544 break;
3545 case QEMU_OPTION_no_quit:
3546 dpy.has_window_close = true;
3547 dpy.window_close = false;
3548 break;
3549 case QEMU_OPTION_sdl:
3550 #ifdef CONFIG_SDL
3551 dpy.type = DISPLAY_TYPE_SDL;
3552 break;
3553 #else
3554 error_report("SDL support is disabled");
3555 exit(1);
3556 #endif
3557 case QEMU_OPTION_pidfile:
3558 pid_file = optarg;
3559 break;
3560 case QEMU_OPTION_win2k_hack:
3561 win2k_install_hack = 1;
3562 break;
3563 case QEMU_OPTION_acpitable:
3564 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3565 optarg, true);
3566 if (!opts) {
3567 exit(1);
3568 }
3569 acpi_table_add(opts, &error_fatal);
3570 break;
3571 case QEMU_OPTION_smbios:
3572 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3573 optarg, false);
3574 if (!opts) {
3575 exit(1);
3576 }
3577 smbios_entry_add(opts, &error_fatal);
3578 break;
3579 case QEMU_OPTION_fwcfg:
3580 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3581 optarg, true);
3582 if (opts == NULL) {
3583 exit(1);
3584 }
3585 break;
3586 case QEMU_OPTION_preconfig:
3587 preconfig_exit_requested = false;
3588 break;
3589 case QEMU_OPTION_enable_kvm:
3590 olist = qemu_find_opts("machine");
3591 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3592 break;
3593 case QEMU_OPTION_M:
3594 case QEMU_OPTION_machine:
3595 olist = qemu_find_opts("machine");
3596 opts = qemu_opts_parse_noisily(olist, optarg, true);
3597 if (!opts) {
3598 exit(1);
3599 }
3600 break;
3601 case QEMU_OPTION_no_kvm:
3602 olist = qemu_find_opts("machine");
3603 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3604 break;
3605 case QEMU_OPTION_accel:
3606 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3607 optarg, true);
3608 optarg = qemu_opt_get(accel_opts, "accel");
3609 if (!optarg || is_help_option(optarg)) {
3610 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3611 exit(0);
3612 }
3613 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3614 false, &error_abort);
3615 qemu_opt_set(opts, "accel", optarg, &error_abort);
3616 break;
3617 case QEMU_OPTION_usb:
3618 olist = qemu_find_opts("machine");
3619 qemu_opts_parse_noisily(olist, "usb=on", false);
3620 break;
3621 case QEMU_OPTION_usbdevice:
3622 error_report("'-usbdevice' is deprecated, please use "
3623 "'-device usb-...' instead");
3624 olist = qemu_find_opts("machine");
3625 qemu_opts_parse_noisily(olist, "usb=on", false);
3626 add_device_config(DEV_USB, optarg);
3627 break;
3628 case QEMU_OPTION_device:
3629 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3630 optarg, true)) {
3631 exit(1);
3632 }
3633 break;
3634 case QEMU_OPTION_smp:
3635 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3636 optarg, true)) {
3637 exit(1);
3638 }
3639 break;
3640 case QEMU_OPTION_vnc:
3641 vnc_parse(optarg, &error_fatal);
3642 break;
3643 case QEMU_OPTION_no_acpi:
3644 acpi_enabled = 0;
3645 break;
3646 case QEMU_OPTION_no_hpet:
3647 no_hpet = 1;
3648 break;
3649 case QEMU_OPTION_no_reboot:
3650 no_reboot = 1;
3651 break;
3652 case QEMU_OPTION_no_shutdown:
3653 no_shutdown = 1;
3654 break;
3655 case QEMU_OPTION_show_cursor:
3656 cursor_hide = 0;
3657 break;
3658 case QEMU_OPTION_uuid:
3659 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3660 error_report("failed to parse UUID string: wrong format");
3661 exit(1);
3662 }
3663 qemu_uuid_set = true;
3664 break;
3665 case QEMU_OPTION_option_rom:
3666 if (nb_option_roms >= MAX_OPTION_ROMS) {
3667 error_report("too many option ROMs");
3668 exit(1);
3669 }
3670 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3671 optarg, true);
3672 if (!opts) {
3673 exit(1);
3674 }
3675 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3676 option_rom[nb_option_roms].bootindex =
3677 qemu_opt_get_number(opts, "bootindex", -1);
3678 if (!option_rom[nb_option_roms].name) {
3679 error_report("Option ROM file is not specified");
3680 exit(1);
3681 }
3682 nb_option_roms++;
3683 break;
3684 case QEMU_OPTION_semihosting:
3685 semihosting.enabled = true;
3686 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3687 break;
3688 case QEMU_OPTION_semihosting_config:
3689 semihosting.enabled = true;
3690 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3691 optarg, false);
3692 if (opts != NULL) {
3693 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3694 true);
3695 const char *target = qemu_opt_get(opts, "target");
3696 if (target != NULL) {
3697 if (strcmp("native", target) == 0) {
3698 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3699 } else if (strcmp("gdb", target) == 0) {
3700 semihosting.target = SEMIHOSTING_TARGET_GDB;
3701 } else if (strcmp("auto", target) == 0) {
3702 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3703 } else {
3704 error_report("unsupported semihosting-config %s",
3705 optarg);
3706 exit(1);
3707 }
3708 } else {
3709 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3710 }
3711 /* Set semihosting argument count and vector */
3712 qemu_opt_foreach(opts, add_semihosting_arg,
3713 &semihosting, NULL);
3714 } else {
3715 error_report("unsupported semihosting-config %s", optarg);
3716 exit(1);
3717 }
3718 break;
3719 case QEMU_OPTION_name:
3720 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3721 optarg, true);
3722 if (!opts) {
3723 exit(1);
3724 }
3725 break;
3726 case QEMU_OPTION_prom_env:
3727 if (nb_prom_envs >= MAX_PROM_ENVS) {
3728 error_report("too many prom variables");
3729 exit(1);
3730 }
3731 prom_envs[nb_prom_envs] = optarg;
3732 nb_prom_envs++;
3733 break;
3734 case QEMU_OPTION_old_param:
3735 old_param = 1;
3736 break;
3737 case QEMU_OPTION_rtc:
3738 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3739 false);
3740 if (!opts) {
3741 exit(1);
3742 }
3743 break;
3744 case QEMU_OPTION_tb_size:
3745 #ifndef CONFIG_TCG
3746 error_report("TCG is disabled");
3747 exit(1);
3748 #endif
3749 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3750 error_report("Invalid argument to -tb-size");
3751 exit(1);
3752 }
3753 break;
3754 case QEMU_OPTION_icount:
3755 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3756 optarg, true);
3757 if (!icount_opts) {
3758 exit(1);
3759 }
3760 break;
3761 case QEMU_OPTION_incoming:
3762 if (!incoming) {
3763 runstate_set(RUN_STATE_INMIGRATE);
3764 }
3765 incoming = optarg;
3766 break;
3767 case QEMU_OPTION_only_migratable:
3768 /*
3769 * TODO: we can remove this option one day, and we
3770 * should all use:
3771 *
3772 * "-global migration.only-migratable=true"
3773 */
3774 qemu_global_option("migration.only-migratable=true");
3775 break;
3776 case QEMU_OPTION_nodefaults:
3777 has_defaults = 0;
3778 break;
3779 case QEMU_OPTION_xen_domid:
3780 if (!(xen_available())) {
3781 error_report("Option not supported for this target");
3782 exit(1);
3783 }
3784 xen_domid = atoi(optarg);
3785 break;
3786 case QEMU_OPTION_xen_attach:
3787 if (!(xen_available())) {
3788 error_report("Option not supported for this target");
3789 exit(1);
3790 }
3791 xen_mode = XEN_ATTACH;
3792 break;
3793 case QEMU_OPTION_xen_domid_restrict:
3794 if (!(xen_available())) {
3795 error_report("Option not supported for this target");
3796 exit(1);
3797 }
3798 xen_domid_restrict = true;
3799 break;
3800 case QEMU_OPTION_trace:
3801 g_free(trace_file);
3802 trace_file = trace_opt_parse(optarg);
3803 break;
3804 case QEMU_OPTION_readconfig:
3805 {
3806 int ret = qemu_read_config_file(optarg);
3807 if (ret < 0) {
3808 error_report("read config %s: %s", optarg,
3809 strerror(-ret));
3810 exit(1);
3811 }
3812 break;
3813 }
3814 case QEMU_OPTION_spice:
3815 olist = qemu_find_opts("spice");
3816 if (!olist) {
3817 error_report("spice support is disabled");
3818 exit(1);
3819 }
3820 opts = qemu_opts_parse_noisily(olist, optarg, false);
3821 if (!opts) {
3822 exit(1);
3823 }
3824 display_remote++;
3825 break;
3826 case QEMU_OPTION_writeconfig:
3827 {
3828 FILE *fp;
3829 if (strcmp(optarg, "-") == 0) {
3830 fp = stdout;
3831 } else {
3832 fp = fopen(optarg, "w");
3833 if (fp == NULL) {
3834 error_report("open %s: %s", optarg,
3835 strerror(errno));
3836 exit(1);
3837 }
3838 }
3839 qemu_config_write(fp);
3840 if (fp != stdout) {
3841 fclose(fp);
3842 }
3843 break;
3844 }
3845 case QEMU_OPTION_qtest:
3846 qtest_chrdev = optarg;
3847 break;
3848 case QEMU_OPTION_qtest_log:
3849 qtest_log = optarg;
3850 break;
3851 case QEMU_OPTION_sandbox:
3852 #ifdef CONFIG_SECCOMP
3853 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3854 optarg, true);
3855 if (!opts) {
3856 exit(1);
3857 }
3858 #else
3859 error_report("-sandbox support is not enabled "
3860 "in this QEMU binary");
3861 exit(1);
3862 #endif
3863 break;
3864 case QEMU_OPTION_add_fd:
3865 #ifndef _WIN32
3866 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3867 optarg, false);
3868 if (!opts) {
3869 exit(1);
3870 }
3871 #else
3872 error_report("File descriptor passing is disabled on this "
3873 "platform");
3874 exit(1);
3875 #endif
3876 break;
3877 case QEMU_OPTION_object:
3878 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3879 optarg, true);
3880 if (!opts) {
3881 exit(1);
3882 }
3883 break;
3884 case QEMU_OPTION_realtime:
3885 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3886 optarg, false);
3887 if (!opts) {
3888 exit(1);
3889 }
3890 /* Don't override the -overcommit option if set */
3891 enable_mlock = enable_mlock ||
3892 qemu_opt_get_bool(opts, "mlock", true);
3893 break;
3894 case QEMU_OPTION_overcommit:
3895 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3896 optarg, false);
3897 if (!opts) {
3898 exit(1);
3899 }
3900 /* Don't override the -realtime option if set */
3901 enable_mlock = enable_mlock ||
3902 qemu_opt_get_bool(opts, "mem-lock", false);
3903 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3904 break;
3905 case QEMU_OPTION_msg:
3906 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3907 false);
3908 if (!opts) {
3909 exit(1);
3910 }
3911 configure_msg(opts);
3912 break;
3913 case QEMU_OPTION_dump_vmstate:
3914 if (vmstate_dump_file) {
3915 error_report("only one '-dump-vmstate' "
3916 "option may be given");
3917 exit(1);
3918 }
3919 vmstate_dump_file = fopen(optarg, "w");
3920 if (vmstate_dump_file == NULL) {
3921 error_report("open %s: %s", optarg, strerror(errno));
3922 exit(1);
3923 }
3924 break;
3925 case QEMU_OPTION_enable_sync_profile:
3926 qsp_enable();
3927 break;
3928 case QEMU_OPTION_nouserconfig:
3929 /* Nothing to be parsed here. Especially, do not error out below. */
3930 break;
3931 default:
3932 if (os_parse_cmd_args(popt->index, optarg)) {
3933 error_report("Option not supported in this build");
3934 exit(1);
3935 }
3936 }
3937 }
3938 }
3939 /*
3940 * Clear error location left behind by the loop.
3941 * Best done right after the loop. Do not insert code here!
3942 */
3943 loc_set_none();
3944
3945 replay_configure(icount_opts);
3946
3947 if (incoming && !preconfig_exit_requested) {
3948 error_report("'preconfig' and 'incoming' options are "
3949 "mutually exclusive");
3950 exit(EXIT_FAILURE);
3951 }
3952
3953 configure_rtc(qemu_find_opts_singleton("rtc"));
3954
3955 machine_class = select_machine();
3956 object_set_machine_compat_props(machine_class->compat_props);
3957
3958 set_memory_options(&ram_slots, &maxram_size, machine_class);
3959
3960 os_daemonize();
3961 rcu_disable_atfork();
3962
3963 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3964 error_reportf_err(err, "cannot create PID file: ");
3965 exit(1);
3966 }
3967
3968 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3969 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3970
3971 if (qemu_init_main_loop(&main_loop_err)) {
3972 error_report_err(main_loop_err);
3973 exit(1);
3974 }
3975
3976 #ifdef CONFIG_SECCOMP
3977 olist = qemu_find_opts_err("sandbox", NULL);
3978 if (olist) {
3979 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
3980 }
3981 #endif
3982
3983 qemu_opts_foreach(qemu_find_opts("name"),
3984 parse_name, NULL, &error_fatal);
3985
3986 #ifndef _WIN32
3987 qemu_opts_foreach(qemu_find_opts("add-fd"),
3988 parse_add_fd, NULL, &error_fatal);
3989
3990 qemu_opts_foreach(qemu_find_opts("add-fd"),
3991 cleanup_add_fd, NULL, &error_fatal);
3992 #endif
3993
3994 current_machine = MACHINE(object_new(object_class_get_name(
3995 OBJECT_CLASS(machine_class))));
3996 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3997 exit(0);
3998 }
3999 object_property_add_child(object_get_root(), "machine",
4000 OBJECT(current_machine), &error_abort);
4001
4002 if (machine_class->minimum_page_bits) {
4003 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4004 /* This would be a board error: specifying a minimum smaller than
4005 * a target's compile-time fixed setting.
4006 */
4007 g_assert_not_reached();
4008 }
4009 }
4010
4011 cpu_exec_init_all();
4012
4013 if (machine_class->hw_version) {
4014 qemu_set_hw_version(machine_class->hw_version);
4015 }
4016
4017 if (cpu_model && is_help_option(cpu_model)) {
4018 list_cpus(stdout, &fprintf, cpu_model);
4019 exit(0);
4020 }
4021
4022 if (!trace_init_backends()) {
4023 exit(1);
4024 }
4025 trace_init_file(trace_file);
4026
4027 /* Open the logfile at this point and set the log mask if necessary.
4028 */
4029 if (log_file) {
4030 qemu_set_log_filename(log_file, &error_fatal);
4031 }
4032
4033 if (log_mask) {
4034 int mask;
4035 mask = qemu_str_to_log_mask(log_mask);
4036 if (!mask) {
4037 qemu_print_log_usage(stdout);
4038 exit(1);
4039 }
4040 qemu_set_log(mask);
4041 } else {
4042 qemu_set_log(0);
4043 }
4044
4045 /* add configured firmware directories */
4046 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4047 for (i = 0; dirs[i] != NULL; i++) {
4048 qemu_add_data_dir(dirs[i]);
4049 }
4050 g_strfreev(dirs);
4051
4052 /* try to find datadir relative to the executable path */
4053 dir = os_find_datadir();
4054 qemu_add_data_dir(dir);
4055 g_free(dir);
4056
4057 /* add the datadir specified when building */
4058 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4059
4060 /* -L help lists the data directories and exits. */
4061 if (list_data_dirs) {
4062 for (i = 0; i < data_dir_idx; i++) {
4063 printf("%s\n", data_dir[i]);
4064 }
4065 exit(0);
4066 }
4067
4068 /* machine_class: default to UP */
4069 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4070 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4071 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4072
4073 /* default to machine_class->default_cpus */
4074 smp_cpus = machine_class->default_cpus;
4075 max_cpus = machine_class->default_cpus;
4076
4077 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4078
4079 /* sanity-check smp_cpus and max_cpus against machine_class */
4080 if (smp_cpus < machine_class->min_cpus) {
4081 error_report("Invalid SMP CPUs %d. The min CPUs "
4082 "supported by machine '%s' is %d", smp_cpus,
4083 machine_class->name, machine_class->min_cpus);
4084 exit(1);
4085 }
4086 if (max_cpus > machine_class->max_cpus) {
4087 error_report("Invalid SMP CPUs %d. The max CPUs "
4088 "supported by machine '%s' is %d", max_cpus,
4089 machine_class->name, machine_class->max_cpus);
4090 exit(1);
4091 }
4092
4093 /*
4094 * Get the default machine options from the machine if it is not already
4095 * specified either by the configuration file or by the command line.
4096 */
4097 if (machine_class->default_machine_opts) {
4098 qemu_opts_set_defaults(qemu_find_opts("machine"),
4099 machine_class->default_machine_opts, 0);
4100 }
4101
4102 qemu_opts_foreach(qemu_find_opts("device"),
4103 default_driver_check, NULL, NULL);
4104 qemu_opts_foreach(qemu_find_opts("global"),
4105 default_driver_check, NULL, NULL);
4106
4107 if (!vga_model && !default_vga) {
4108 vga_interface_type = VGA_DEVICE;
4109 }
4110 if (!has_defaults || machine_class->no_serial) {
4111 default_serial = 0;
4112 }
4113 if (!has_defaults || machine_class->no_parallel) {
4114 default_parallel = 0;
4115 }
4116 if (!has_defaults || machine_class->no_floppy) {
4117 default_floppy = 0;
4118 }
4119 if (!has_defaults || machine_class->no_cdrom) {
4120 default_cdrom = 0;
4121 }
4122 if (!has_defaults || machine_class->no_sdcard) {
4123 default_sdcard = 0;
4124 }
4125 if (!has_defaults) {
4126 default_monitor = 0;
4127 default_net = 0;
4128 default_vga = 0;
4129 }
4130
4131 if (is_daemonized()) {
4132 if (!preconfig_exit_requested) {
4133 error_report("'preconfig' and 'daemonize' options are "
4134 "mutually exclusive");
4135 exit(EXIT_FAILURE);
4136 }
4137
4138 /* According to documentation and historically, -nographic redirects
4139 * serial port, parallel port and monitor to stdio, which does not work
4140 * with -daemonize. We can redirect these to null instead, but since
4141 * -nographic is legacy, let's just error out.
4142 * We disallow -nographic only if all other ports are not redirected
4143 * explicitly, to not break existing legacy setups which uses
4144 * -nographic _and_ redirects all ports explicitly - this is valid
4145 * usage, -nographic is just a no-op in this case.
4146 */
4147 if (nographic
4148 && (default_parallel || default_serial || default_monitor)) {
4149 error_report("-nographic cannot be used with -daemonize");
4150 exit(1);
4151 }
4152 #ifdef CONFIG_CURSES
4153 if (dpy.type == DISPLAY_TYPE_CURSES) {
4154 error_report("curses display cannot be used with -daemonize");
4155 exit(1);
4156 }
4157 #endif
4158 }
4159
4160 if (nographic) {
4161 if (default_parallel)
4162 add_device_config(DEV_PARALLEL, "null");
4163 if (default_serial && default_monitor) {
4164 add_device_config(DEV_SERIAL, "mon:stdio");
4165 } else {
4166 if (default_serial)
4167 add_device_config(DEV_SERIAL, "stdio");
4168 if (default_monitor)
4169 monitor_parse("stdio", "readline", false);
4170 }
4171 } else {
4172 if (default_serial)
4173 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4174 if (default_parallel)
4175 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4176 if (default_monitor)
4177 monitor_parse("vc:80Cx24C", "readline", false);
4178 }
4179
4180 #if defined(CONFIG_VNC)
4181 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4182 display_remote++;
4183 }
4184 #endif
4185 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4186 if (!qemu_display_find_default(&dpy)) {
4187 dpy.type = DISPLAY_TYPE_NONE;
4188 #if defined(CONFIG_VNC)
4189 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4190 #endif
4191 }
4192 }
4193 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4194 dpy.type = DISPLAY_TYPE_NONE;
4195 }
4196
4197 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4198 error_report("-alt-grab and -ctrl-grab are only valid "
4199 "for SDL, ignoring option");
4200 }
4201 if (dpy.has_window_close &&
4202 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4203 error_report("-no-quit is only valid for GTK and SDL, "
4204 "ignoring option");
4205 }
4206
4207 qemu_display_early_init(&dpy);
4208 qemu_console_early_init();
4209
4210 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4211 #if defined(CONFIG_OPENGL)
4212 error_report("OpenGL is not supported by the display");
4213 #else
4214 error_report("OpenGL support is disabled");
4215 #endif
4216 exit(1);
4217 }
4218
4219 page_size_init();
4220 socket_init();
4221
4222 qemu_opts_foreach(qemu_find_opts("object"),
4223 user_creatable_add_opts_foreach,
4224 object_create_initial, &error_fatal);
4225
4226 qemu_opts_foreach(qemu_find_opts("chardev"),
4227 chardev_init_func, NULL, &error_fatal);
4228
4229 #ifdef CONFIG_VIRTFS
4230 qemu_opts_foreach(qemu_find_opts("fsdev"),
4231 fsdev_init_func, NULL, &error_fatal);
4232 #endif
4233
4234 if (qemu_opts_foreach(qemu_find_opts("device"),
4235 device_help_func, NULL, NULL)) {
4236 exit(0);
4237 }
4238
4239 machine_opts = qemu_get_machine_opts();
4240 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4241 &error_fatal);
4242 current_machine->ram_size = ram_size;
4243 current_machine->maxram_size = maxram_size;
4244 current_machine->ram_slots = ram_slots;
4245
4246 configure_accelerator(current_machine, argv[0]);
4247
4248 if (!qtest_enabled() && machine_class->deprecation_reason) {
4249 error_report("Machine type '%s' is deprecated: %s",
4250 machine_class->name, machine_class->deprecation_reason);
4251 }
4252
4253 /*
4254 * Register all the global properties, including accel properties,
4255 * machine properties, and user-specified ones.
4256 */
4257 register_global_properties(current_machine);
4258
4259 /*
4260 * Migration object can only be created after global properties
4261 * are applied correctly.
4262 */
4263 migration_object_init();
4264
4265 if (qtest_chrdev) {
4266 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4267 }
4268
4269 machine_opts = qemu_get_machine_opts();
4270 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4271 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4272 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4273 bios_name = qemu_opt_get(machine_opts, "firmware");
4274
4275 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4276 if (opts) {
4277 boot_order = qemu_opt_get(opts, "order");
4278 if (boot_order) {
4279 validate_bootdevices(boot_order, &error_fatal);
4280 }
4281
4282 boot_once = qemu_opt_get(opts, "once");
4283 if (boot_once) {
4284 validate_bootdevices(boot_once, &error_fatal);
4285 }
4286
4287 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4288 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4289 }
4290
4291 if (!boot_order) {
4292 boot_order = machine_class->default_boot_order;
4293 }
4294
4295 if (!kernel_cmdline) {
4296 kernel_cmdline = "";
4297 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4298 }
4299
4300 linux_boot = (kernel_filename != NULL);
4301
4302 if (!linux_boot && *kernel_cmdline != '\0') {
4303 error_report("-append only allowed with -kernel option");
4304 exit(1);
4305 }
4306
4307 if (!linux_boot && initrd_filename != NULL) {
4308 error_report("-initrd only allowed with -kernel option");
4309 exit(1);
4310 }
4311
4312 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4313 /* fall back to the -kernel/-append */
4314 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4315 }
4316
4317 os_set_line_buffering();
4318
4319 /* spice needs the timers to be initialized by this point */
4320 qemu_spice_init();
4321
4322 cpu_ticks_init();
4323 if (icount_opts) {
4324 if (!tcg_enabled()) {
4325 error_report("-icount is not allowed with hardware virtualization");
4326 exit(1);
4327 }
4328 configure_icount(icount_opts, &error_abort);
4329 qemu_opts_del(icount_opts);
4330 }
4331
4332 if (tcg_enabled()) {
4333 qemu_tcg_configure(accel_opts, &error_fatal);
4334 }
4335
4336 if (default_net) {
4337 QemuOptsList *net = qemu_find_opts("net");
4338 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4339 #ifdef CONFIG_SLIRP
4340 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4341 #endif
4342 }
4343
4344 if (net_init_clients(&err) < 0) {
4345 error_report_err(err);
4346 exit(1);
4347 }
4348
4349 qemu_opts_foreach(qemu_find_opts("object"),
4350 user_creatable_add_opts_foreach,
4351 object_create_delayed, &error_fatal);
4352
4353 tpm_init();
4354
4355 /* init the bluetooth world */
4356 if (foreach_device_config(DEV_BT, bt_parse))
4357 exit(1);
4358
4359 if (!xen_enabled()) {
4360 /* On 32-bit hosts, QEMU is limited by virtual address space */
4361 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4362 error_report("at most 2047 MB RAM can be simulated");
4363 exit(1);
4364 }
4365 }
4366
4367 blk_mig_init();
4368 ram_mig_init();
4369 dirty_bitmap_mig_init();
4370
4371 /* If the currently selected machine wishes to override the units-per-bus
4372 * property of its default HBA interface type, do so now. */
4373 if (machine_class->units_per_default_bus) {
4374 override_max_devs(machine_class->block_default_type,
4375 machine_class->units_per_default_bus);
4376 }
4377
4378 /* open the virtual block devices */
4379 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4380 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4381
4382 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4383 loc_push_restore(&bdo->loc);
4384 qmp_blockdev_add(bdo->bdo, &error_fatal);
4385 loc_pop(&bdo->loc);
4386 qapi_free_BlockdevOptions(bdo->bdo);
4387 g_free(bdo);
4388 }
4389 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4390 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4391 NULL, NULL);
4392 }
4393 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4394 &machine_class->block_default_type, &error_fatal)) {
4395 /* We printed help */
4396 exit(0);
4397 }
4398
4399 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4400 CDROM_OPTS);
4401 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4402 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4403
4404 qemu_opts_foreach(qemu_find_opts("mon"),
4405 mon_init_func, NULL, &error_fatal);
4406
4407 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4408 exit(1);
4409 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4410 exit(1);
4411 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4412 exit(1);
4413
4414 /* If no default VGA is requested, the default is "none". */
4415 if (default_vga) {
4416 if (machine_class->default_display) {
4417 vga_model = machine_class->default_display;
4418 } else if (vga_interface_available(VGA_CIRRUS)) {
4419 vga_model = "cirrus";
4420 } else if (vga_interface_available(VGA_STD)) {
4421 vga_model = "std";
4422 }
4423 }
4424 if (vga_model) {
4425 select_vgahw(vga_model);
4426 }
4427
4428 if (watchdog) {
4429 i = select_watchdog(watchdog);
4430 if (i > 0)
4431 exit (i == 1 ? 1 : 0);
4432 }
4433
4434 /* This checkpoint is required by replay to separate prior clock
4435 reading from the other reads, because timer polling functions query
4436 clock values from the log. */
4437 replay_checkpoint(CHECKPOINT_INIT);
4438 qdev_machine_init();
4439
4440 current_machine->boot_order = boot_order;
4441
4442 /* parse features once if machine provides default cpu_type */
4443 current_machine->cpu_type = machine_class->default_cpu_type;
4444 if (cpu_model) {
4445 current_machine->cpu_type = parse_cpu_model(cpu_model);
4446 }
4447 parse_numa_opts(current_machine);
4448
4449 /* do monitor/qmp handling at preconfig state if requested */
4450 main_loop();
4451
4452 /* from here on runstate is RUN_STATE_PRELAUNCH */
4453 machine_run_board_init(current_machine);
4454
4455 realtime_init();
4456
4457 soundhw_init();
4458
4459 if (hax_enabled()) {
4460 hax_sync_vcpus();
4461 }
4462
4463 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4464 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4465
4466 /* init USB devices */
4467 if (machine_usb(current_machine)) {
4468 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4469 exit(1);
4470 }
4471
4472 /* Check if IGD GFX passthrough. */
4473 igd_gfx_passthru();
4474
4475 /* init generic devices */
4476 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4477 qemu_opts_foreach(qemu_find_opts("device"),
4478 device_init_func, NULL, &error_fatal);
4479
4480 cpu_synchronize_all_post_init();
4481
4482 rom_reset_order_override();
4483
4484 /* Did we create any drives that we failed to create a device for? */
4485 drive_check_orphaned();
4486
4487 /* Don't warn about the default network setup that you get if
4488 * no command line -net or -netdev options are specified. There
4489 * are two cases that we would otherwise complain about:
4490 * (1) board doesn't support a NIC but the implicit "-net nic"
4491 * requested one
4492 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4493 * sets up a nic that isn't connected to anything.
4494 */
4495 if (!default_net && (!qtest_enabled() || has_defaults)) {
4496 net_check_clients();
4497 }
4498
4499 if (boot_once) {
4500 qemu_boot_set(boot_once, &error_fatal);
4501 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4502 }
4503
4504 /* init local displays */
4505 ds = init_displaystate();
4506 qemu_display_init(ds, &dpy);
4507
4508 /* must be after terminal init, SDL library changes signal handlers */
4509 os_setup_signal_handling();
4510
4511 /* init remote displays */
4512 #ifdef CONFIG_VNC
4513 qemu_opts_foreach(qemu_find_opts("vnc"),
4514 vnc_init_func, NULL, &error_fatal);
4515 #endif
4516
4517 if (using_spice) {
4518 qemu_spice_display_init();
4519 }
4520
4521 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4522 exit(1);
4523 }
4524
4525 qdev_machine_creation_done();
4526
4527 /* TODO: once all bus devices are qdevified, this should be done
4528 * when bus is created by qdev.c */
4529 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4530 qemu_run_machine_init_done_notifiers();
4531
4532 if (rom_check_and_register_reset() != 0) {
4533 error_report("rom check and register reset failed");
4534 exit(1);
4535 }
4536
4537 replay_start();
4538
4539 /* This checkpoint is required by replay to separate prior clock
4540 reading from the other reads, because timer polling functions query
4541 clock values from the log. */
4542 replay_checkpoint(CHECKPOINT_RESET);
4543 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4544 register_global_state();
4545 if (loadvm) {
4546 Error *local_err = NULL;
4547 if (load_snapshot(loadvm, &local_err) < 0) {
4548 error_report_err(local_err);
4549 autostart = 0;
4550 exit(1);
4551 }
4552 }
4553 if (replay_mode != REPLAY_MODE_NONE) {
4554 replay_vmstate_init();
4555 }
4556
4557 qdev_prop_check_globals();
4558 if (vmstate_dump_file) {
4559 /* dump and exit */
4560 dump_vmstate_json_to_file(vmstate_dump_file);
4561 return 0;
4562 }
4563
4564 if (incoming) {
4565 Error *local_err = NULL;
4566 qemu_start_incoming_migration(incoming, &local_err);
4567 if (local_err) {
4568 error_reportf_err(local_err, "-incoming %s: ", incoming);
4569 exit(1);
4570 }
4571 } else if (autostart) {
4572 vm_start();
4573 }
4574
4575 accel_setup_post(current_machine);
4576 os_setup_post();
4577
4578 main_loop();
4579
4580 gdbserver_cleanup();
4581
4582 /*
4583 * cleaning up the migration object cancels any existing migration
4584 * try to do this early so that it also stops using devices.
4585 */
4586 migration_shutdown();
4587
4588 /* No more vcpu or device emulation activity beyond this point */
4589 vm_shutdown();
4590
4591 job_cancel_sync_all();
4592 bdrv_close_all();
4593
4594 res_free();
4595
4596 /* vhost-user must be cleaned up before chardevs. */
4597 tpm_cleanup();
4598 net_cleanup();
4599 audio_cleanup();
4600 monitor_cleanup();
4601 qemu_chr_cleanup();
4602 user_creatable_cleanup();
4603 /* TODO: unref root container, check all devices are ok */
4604
4605 return 0;
4606 }
QEmu