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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2018-08-28' into staging
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
133
134 #define MAX_VIRTIO_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int display_opengl;
141 const char* keyboard_layout = NULL;
142 ram_addr_t ram_size;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 bool enable_cpu_pm = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static int rtc_utc = 1;
151 static int rtc_date_offset = -1; /* -1 means no change */
152 QEMUClockType rtc_clock;
153 int vga_interface_type = VGA_NONE;
154 static DisplayOptions dpy;
155 int no_frame;
156 static int num_serial_hds;
157 static Chardev **serial_hds;
158 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
159 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
160 int win2k_install_hack = 0;
161 int singlestep = 0;
162 int smp_cpus;
163 unsigned int max_cpus;
164 int smp_cores = 1;
165 int smp_threads = 1;
166 int acpi_enabled = 1;
167 int no_hpet = 0;
168 int fd_bootchk = 1;
169 static int no_reboot;
170 int no_shutdown = 0;
171 int cursor_hide = 1;
172 int graphic_rotate = 0;
173 const char *watchdog;
174 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
175 int nb_option_roms;
176 int old_param = 0;
177 const char *qemu_name;
178 int alt_grab = 0;
179 int ctrl_grab = 0;
180 unsigned int nb_prom_envs = 0;
181 const char *prom_envs[MAX_PROM_ENVS];
182 int boot_menu;
183 bool boot_strict;
184 uint8_t *boot_splash_filedata;
185 size_t boot_splash_filedata_size;
186 uint8_t qemu_extra_params_fw[2];
187
188 int icount_align_option;
189
190 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 */
193 QemuUUID qemu_uuid;
194 bool qemu_uuid_set;
195
196 static NotifierList exit_notifiers =
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198
199 static NotifierList machine_init_done_notifiers =
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
201
202 bool xen_allowed;
203 uint32_t xen_domid;
204 enum xen_mode xen_mode = XEN_EMULATE;
205 bool xen_domid_restrict;
206
207 static int has_defaults = 1;
208 static int default_serial = 1;
209 static int default_parallel = 1;
210 static int default_virtcon = 1;
211 static int default_monitor = 1;
212 static int default_floppy = 1;
213 static int default_cdrom = 1;
214 static int default_sdcard = 1;
215 static int default_vga = 1;
216 static int default_net = 1;
217
218 static struct {
219 const char *driver;
220 int *flag;
221 } default_list[] = {
222 { .driver = "isa-serial", .flag = &default_serial },
223 { .driver = "isa-parallel", .flag = &default_parallel },
224 { .driver = "isa-fdc", .flag = &default_floppy },
225 { .driver = "floppy", .flag = &default_floppy },
226 { .driver = "ide-cd", .flag = &default_cdrom },
227 { .driver = "ide-hd", .flag = &default_cdrom },
228 { .driver = "ide-drive", .flag = &default_cdrom },
229 { .driver = "scsi-cd", .flag = &default_cdrom },
230 { .driver = "scsi-hd", .flag = &default_cdrom },
231 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
232 { .driver = "virtio-serial", .flag = &default_virtcon },
233 { .driver = "VGA", .flag = &default_vga },
234 { .driver = "isa-vga", .flag = &default_vga },
235 { .driver = "cirrus-vga", .flag = &default_vga },
236 { .driver = "isa-cirrus-vga", .flag = &default_vga },
237 { .driver = "vmware-svga", .flag = &default_vga },
238 { .driver = "qxl-vga", .flag = &default_vga },
239 { .driver = "virtio-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_option_rom_opts = {
261 .name = "option-rom",
262 .implied_opt_name = "romfile",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
264 .desc = {
265 {
266 .name = "bootindex",
267 .type = QEMU_OPT_NUMBER,
268 }, {
269 .name = "romfile",
270 .type = QEMU_OPT_STRING,
271 },
272 { /* end of list */ }
273 },
274 };
275
276 static QemuOptsList qemu_machine_opts = {
277 .name = "machine",
278 .implied_opt_name = "type",
279 .merge_lists = true,
280 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
281 .desc = {
282 /*
283 * no elements => accept any
284 * sanity checking will happen later
285 * when setting machine properties
286 */
287 { }
288 },
289 };
290
291 static QemuOptsList qemu_accel_opts = {
292 .name = "accel",
293 .implied_opt_name = "accel",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
295 .merge_lists = true,
296 .desc = {
297 {
298 .name = "accel",
299 .type = QEMU_OPT_STRING,
300 .help = "Select the type of accelerator",
301 },
302 {
303 .name = "thread",
304 .type = QEMU_OPT_STRING,
305 .help = "Enable/disable multi-threaded TCG",
306 },
307 { /* end of list */ }
308 },
309 };
310
311 static QemuOptsList qemu_boot_opts = {
312 .name = "boot-opts",
313 .implied_opt_name = "order",
314 .merge_lists = true,
315 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
316 .desc = {
317 {
318 .name = "order",
319 .type = QEMU_OPT_STRING,
320 }, {
321 .name = "once",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "menu",
325 .type = QEMU_OPT_BOOL,
326 }, {
327 .name = "splash",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "splash-time",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "reboot-timeout",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "strict",
337 .type = QEMU_OPT_BOOL,
338 },
339 { /*End of list */ }
340 },
341 };
342
343 static QemuOptsList qemu_add_fd_opts = {
344 .name = "add-fd",
345 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
346 .desc = {
347 {
348 .name = "fd",
349 .type = QEMU_OPT_NUMBER,
350 .help = "file descriptor of which a duplicate is added to fd set",
351 },{
352 .name = "set",
353 .type = QEMU_OPT_NUMBER,
354 .help = "ID of the fd set to add fd to",
355 },{
356 .name = "opaque",
357 .type = QEMU_OPT_STRING,
358 .help = "free-form string used to describe fd",
359 },
360 { /* end of list */ }
361 },
362 };
363
364 static QemuOptsList qemu_object_opts = {
365 .name = "object",
366 .implied_opt_name = "qom-type",
367 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
368 .desc = {
369 { }
370 },
371 };
372
373 static QemuOptsList qemu_tpmdev_opts = {
374 .name = "tpmdev",
375 .implied_opt_name = "type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
377 .desc = {
378 /* options are defined in the TPM backends */
379 { /* end of list */ }
380 },
381 };
382
383 static QemuOptsList qemu_realtime_opts = {
384 .name = "realtime",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
386 .desc = {
387 {
388 .name = "mlock",
389 .type = QEMU_OPT_BOOL,
390 },
391 { /* end of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_overcommit_opts = {
396 .name = "overcommit",
397 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
398 .desc = {
399 {
400 .name = "mem-lock",
401 .type = QEMU_OPT_BOOL,
402 },
403 {
404 .name = "cpu-pm",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_msg_opts = {
412 .name = "msg",
413 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
414 .desc = {
415 {
416 .name = "timestamp",
417 .type = QEMU_OPT_BOOL,
418 },
419 { /* end of list */ }
420 },
421 };
422
423 static QemuOptsList qemu_name_opts = {
424 .name = "name",
425 .implied_opt_name = "guest",
426 .merge_lists = true,
427 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
428 .desc = {
429 {
430 .name = "guest",
431 .type = QEMU_OPT_STRING,
432 .help = "Sets the name of the guest.\n"
433 "This name will be displayed in the SDL window caption.\n"
434 "The name will also be used for the VNC server",
435 }, {
436 .name = "process",
437 .type = QEMU_OPT_STRING,
438 .help = "Sets the name of the QEMU process, as shown in top etc",
439 }, {
440 .name = "debug-threads",
441 .type = QEMU_OPT_BOOL,
442 .help = "When enabled, name the individual threads; defaults off.\n"
443 "NOTE: The thread names are for debugging and not a\n"
444 "stable API.",
445 },
446 { /* End of list */ }
447 },
448 };
449
450 static QemuOptsList qemu_mem_opts = {
451 .name = "memory",
452 .implied_opt_name = "size",
453 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
454 .merge_lists = true,
455 .desc = {
456 {
457 .name = "size",
458 .type = QEMU_OPT_SIZE,
459 },
460 {
461 .name = "slots",
462 .type = QEMU_OPT_NUMBER,
463 },
464 {
465 .name = "maxmem",
466 .type = QEMU_OPT_SIZE,
467 },
468 { /* end of list */ }
469 },
470 };
471
472 static QemuOptsList qemu_icount_opts = {
473 .name = "icount",
474 .implied_opt_name = "shift",
475 .merge_lists = true,
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
477 .desc = {
478 {
479 .name = "shift",
480 .type = QEMU_OPT_STRING,
481 }, {
482 .name = "align",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "sleep",
486 .type = QEMU_OPT_BOOL,
487 }, {
488 .name = "rr",
489 .type = QEMU_OPT_STRING,
490 }, {
491 .name = "rrfile",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "rrsnapshot",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_semihosting_config_opts = {
502 .name = "semihosting-config",
503 .implied_opt_name = "enable",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
505 .desc = {
506 {
507 .name = "enable",
508 .type = QEMU_OPT_BOOL,
509 }, {
510 .name = "target",
511 .type = QEMU_OPT_STRING,
512 }, {
513 .name = "arg",
514 .type = QEMU_OPT_STRING,
515 },
516 { /* end of list */ }
517 },
518 };
519
520 static QemuOptsList qemu_fw_cfg_opts = {
521 .name = "fw_cfg",
522 .implied_opt_name = "name",
523 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
524 .desc = {
525 {
526 .name = "name",
527 .type = QEMU_OPT_STRING,
528 .help = "Sets the fw_cfg name of the blob to be inserted",
529 }, {
530 .name = "file",
531 .type = QEMU_OPT_STRING,
532 .help = "Sets the name of the file from which\n"
533 "the fw_cfg blob will be loaded",
534 }, {
535 .name = "string",
536 .type = QEMU_OPT_STRING,
537 .help = "Sets content of the blob to be inserted from a string",
538 },
539 { /* end of list */ }
540 },
541 };
542
543 /**
544 * Get machine options
545 *
546 * Returns: machine options (never null).
547 */
548 QemuOpts *qemu_get_machine_opts(void)
549 {
550 return qemu_find_opts_singleton("machine");
551 }
552
553 const char *qemu_get_vm_name(void)
554 {
555 return qemu_name;
556 }
557
558 static void res_free(void)
559 {
560 g_free(boot_splash_filedata);
561 boot_splash_filedata = NULL;
562 }
563
564 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
565 {
566 const char *driver = qemu_opt_get(opts, "driver");
567 int i;
568
569 if (!driver)
570 return 0;
571 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
572 if (strcmp(default_list[i].driver, driver) != 0)
573 continue;
574 *(default_list[i].flag) = 0;
575 }
576 return 0;
577 }
578
579 /***********************************************************/
580 /* QEMU state */
581
582 static RunState current_run_state = RUN_STATE_PRECONFIG;
583
584 /* We use RUN_STATE__MAX but any invalid value will do */
585 static RunState vmstop_requested = RUN_STATE__MAX;
586 static QemuMutex vmstop_lock;
587
588 typedef struct {
589 RunState from;
590 RunState to;
591 } RunStateTransition;
592
593 static const RunStateTransition runstate_transitions_def[] = {
594 /* from -> to */
595 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
596 /* Early switch to inmigrate state to allow -incoming CLI option work
597 * as it used to. TODO: delay actual switching to inmigrate state to
598 * the point after machine is built and remove this hack.
599 */
600 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
601
602 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
603 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
608 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
611 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
613 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
614 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
616 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
617 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
618
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
624 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
626
627 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
628 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
630 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
631 { RUN_STATE_PAUSED, RUN_STATE_COLO},
632
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
634 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
636
637 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
638 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
640
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
644 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
645 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
646
647 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
648 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
649
650 { RUN_STATE_COLO, RUN_STATE_RUNNING },
651
652 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
653 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
654 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
655 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
656 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
657 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
658 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
659 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
660 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
661 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
662 { RUN_STATE_RUNNING, RUN_STATE_COLO},
663
664 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
665
666 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
667 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
668 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
669
670 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
671 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
672 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
673 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
674 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
675 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
676
677 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
678 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
679 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
680 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
681
682 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
683 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
684 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
685
686 { RUN_STATE__MAX, RUN_STATE__MAX },
687 };
688
689 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
690
691 bool runstate_check(RunState state)
692 {
693 return current_run_state == state;
694 }
695
696 bool runstate_store(char *str, size_t size)
697 {
698 const char *state = RunState_str(current_run_state);
699 size_t len = strlen(state) + 1;
700
701 if (len > size) {
702 return false;
703 }
704 memcpy(str, state, len);
705 return true;
706 }
707
708 static void runstate_init(void)
709 {
710 const RunStateTransition *p;
711
712 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
713 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
714 runstate_valid_transitions[p->from][p->to] = true;
715 }
716
717 qemu_mutex_init(&vmstop_lock);
718 }
719
720 /* This function will abort() on invalid state transitions */
721 void runstate_set(RunState new_state)
722 {
723 assert(new_state < RUN_STATE__MAX);
724
725 if (current_run_state == new_state) {
726 return;
727 }
728
729 if (!runstate_valid_transitions[current_run_state][new_state]) {
730 error_report("invalid runstate transition: '%s' -> '%s'",
731 RunState_str(current_run_state),
732 RunState_str(new_state));
733 abort();
734 }
735 trace_runstate_set(new_state);
736 current_run_state = new_state;
737 }
738
739 int runstate_is_running(void)
740 {
741 return runstate_check(RUN_STATE_RUNNING);
742 }
743
744 bool runstate_needs_reset(void)
745 {
746 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
747 runstate_check(RUN_STATE_SHUTDOWN);
748 }
749
750 StatusInfo *qmp_query_status(Error **errp)
751 {
752 StatusInfo *info = g_malloc0(sizeof(*info));
753
754 info->running = runstate_is_running();
755 info->singlestep = singlestep;
756 info->status = current_run_state;
757
758 return info;
759 }
760
761 bool qemu_vmstop_requested(RunState *r)
762 {
763 qemu_mutex_lock(&vmstop_lock);
764 *r = vmstop_requested;
765 vmstop_requested = RUN_STATE__MAX;
766 qemu_mutex_unlock(&vmstop_lock);
767 return *r < RUN_STATE__MAX;
768 }
769
770 void qemu_system_vmstop_request_prepare(void)
771 {
772 qemu_mutex_lock(&vmstop_lock);
773 }
774
775 void qemu_system_vmstop_request(RunState state)
776 {
777 vmstop_requested = state;
778 qemu_mutex_unlock(&vmstop_lock);
779 qemu_notify_event();
780 }
781
782 /***********************************************************/
783 /* real time host monotonic timer */
784
785 static time_t qemu_time(void)
786 {
787 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
788 }
789
790 /***********************************************************/
791 /* host time/date access */
792 void qemu_get_timedate(struct tm *tm, int offset)
793 {
794 time_t ti = qemu_time();
795
796 ti += offset;
797 if (rtc_date_offset == -1) {
798 if (rtc_utc)
799 gmtime_r(&ti, tm);
800 else
801 localtime_r(&ti, tm);
802 } else {
803 ti -= rtc_date_offset;
804 gmtime_r(&ti, tm);
805 }
806 }
807
808 int qemu_timedate_diff(struct tm *tm)
809 {
810 time_t seconds;
811
812 if (rtc_date_offset == -1)
813 if (rtc_utc)
814 seconds = mktimegm(tm);
815 else {
816 struct tm tmp = *tm;
817 tmp.tm_isdst = -1; /* use timezone to figure it out */
818 seconds = mktime(&tmp);
819 }
820 else
821 seconds = mktimegm(tm) + rtc_date_offset;
822
823 return seconds - qemu_time();
824 }
825
826 static void configure_rtc_date_offset(const char *startdate, int legacy)
827 {
828 time_t rtc_start_date;
829 struct tm tm;
830
831 if (!strcmp(startdate, "now") && legacy) {
832 rtc_date_offset = -1;
833 } else {
834 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
835 &tm.tm_year,
836 &tm.tm_mon,
837 &tm.tm_mday,
838 &tm.tm_hour,
839 &tm.tm_min,
840 &tm.tm_sec) == 6) {
841 /* OK */
842 } else if (sscanf(startdate, "%d-%d-%d",
843 &tm.tm_year,
844 &tm.tm_mon,
845 &tm.tm_mday) == 3) {
846 tm.tm_hour = 0;
847 tm.tm_min = 0;
848 tm.tm_sec = 0;
849 } else {
850 goto date_fail;
851 }
852 tm.tm_year -= 1900;
853 tm.tm_mon--;
854 rtc_start_date = mktimegm(&tm);
855 if (rtc_start_date == -1) {
856 date_fail:
857 error_report("invalid date format");
858 error_printf("valid formats: "
859 "'2006-06-17T16:01:21' or '2006-06-17'\n");
860 exit(1);
861 }
862 rtc_date_offset = qemu_time() - rtc_start_date;
863 }
864 }
865
866 static void configure_rtc(QemuOpts *opts)
867 {
868 const char *value;
869
870 value = qemu_opt_get(opts, "base");
871 if (value) {
872 if (!strcmp(value, "utc")) {
873 rtc_utc = 1;
874 } else if (!strcmp(value, "localtime")) {
875 Error *blocker = NULL;
876 rtc_utc = 0;
877 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
878 "-rtc base=localtime");
879 replay_add_blocker(blocker);
880 } else {
881 configure_rtc_date_offset(value, 0);
882 }
883 }
884 value = qemu_opt_get(opts, "clock");
885 if (value) {
886 if (!strcmp(value, "host")) {
887 rtc_clock = QEMU_CLOCK_HOST;
888 } else if (!strcmp(value, "rt")) {
889 rtc_clock = QEMU_CLOCK_REALTIME;
890 } else if (!strcmp(value, "vm")) {
891 rtc_clock = QEMU_CLOCK_VIRTUAL;
892 } else {
893 error_report("invalid option value '%s'", value);
894 exit(1);
895 }
896 }
897 value = qemu_opt_get(opts, "driftfix");
898 if (value) {
899 if (!strcmp(value, "slew")) {
900 static GlobalProperty slew_lost_ticks = {
901 .driver = "mc146818rtc",
902 .property = "lost_tick_policy",
903 .value = "slew",
904 };
905
906 qdev_prop_register_global(&slew_lost_ticks);
907 } else if (!strcmp(value, "none")) {
908 /* discard is default */
909 } else {
910 error_report("invalid option value '%s'", value);
911 exit(1);
912 }
913 }
914 }
915
916 /***********************************************************/
917 /* Bluetooth support */
918 static int nb_hcis;
919 static int cur_hci;
920 static struct HCIInfo *hci_table[MAX_NICS];
921
922 struct HCIInfo *qemu_next_hci(void)
923 {
924 if (cur_hci == nb_hcis)
925 return &null_hci;
926
927 return hci_table[cur_hci++];
928 }
929
930 static int bt_hci_parse(const char *str)
931 {
932 struct HCIInfo *hci;
933 bdaddr_t bdaddr;
934
935 if (nb_hcis >= MAX_NICS) {
936 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
937 return -1;
938 }
939
940 hci = hci_init(str);
941 if (!hci)
942 return -1;
943
944 bdaddr.b[0] = 0x52;
945 bdaddr.b[1] = 0x54;
946 bdaddr.b[2] = 0x00;
947 bdaddr.b[3] = 0x12;
948 bdaddr.b[4] = 0x34;
949 bdaddr.b[5] = 0x56 + nb_hcis;
950 hci->bdaddr_set(hci, bdaddr.b);
951
952 hci_table[nb_hcis++] = hci;
953
954 return 0;
955 }
956
957 static void bt_vhci_add(int vlan_id)
958 {
959 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
960
961 if (!vlan->slave)
962 warn_report("adding a VHCI to an empty scatternet %i",
963 vlan_id);
964
965 bt_vhci_init(bt_new_hci(vlan));
966 }
967
968 static struct bt_device_s *bt_device_add(const char *opt)
969 {
970 struct bt_scatternet_s *vlan;
971 int vlan_id = 0;
972 char *endp = strstr(opt, ",vlan=");
973 int len = (endp ? endp - opt : strlen(opt)) + 1;
974 char devname[10];
975
976 pstrcpy(devname, MIN(sizeof(devname), len), opt);
977
978 if (endp) {
979 vlan_id = strtol(endp + 6, &endp, 0);
980 if (*endp) {
981 error_report("unrecognised bluetooth vlan Id");
982 return 0;
983 }
984 }
985
986 vlan = qemu_find_bt_vlan(vlan_id);
987
988 if (!vlan->slave)
989 warn_report("adding a slave device to an empty scatternet %i",
990 vlan_id);
991
992 if (!strcmp(devname, "keyboard"))
993 return bt_keyboard_init(vlan);
994
995 error_report("unsupported bluetooth device '%s'", devname);
996 return 0;
997 }
998
999 static int bt_parse(const char *opt)
1000 {
1001 const char *endp, *p;
1002 int vlan;
1003
1004 if (strstart(opt, "hci", &endp)) {
1005 if (!*endp || *endp == ',') {
1006 if (*endp)
1007 if (!strstart(endp, ",vlan=", 0))
1008 opt = endp + 1;
1009
1010 return bt_hci_parse(opt);
1011 }
1012 } else if (strstart(opt, "vhci", &endp)) {
1013 if (!*endp || *endp == ',') {
1014 if (*endp) {
1015 if (strstart(endp, ",vlan=", &p)) {
1016 vlan = strtol(p, (char **) &endp, 0);
1017 if (*endp) {
1018 error_report("bad scatternet '%s'", p);
1019 return 1;
1020 }
1021 } else {
1022 error_report("bad parameter '%s'", endp + 1);
1023 return 1;
1024 }
1025 } else
1026 vlan = 0;
1027
1028 bt_vhci_add(vlan);
1029 return 0;
1030 }
1031 } else if (strstart(opt, "device:", &endp))
1032 return !bt_device_add(endp);
1033
1034 error_report("bad bluetooth parameter '%s'", opt);
1035 return 1;
1036 }
1037
1038 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1039 {
1040 const char *proc_name;
1041
1042 if (qemu_opt_get(opts, "debug-threads")) {
1043 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1044 }
1045 qemu_name = qemu_opt_get(opts, "guest");
1046
1047 proc_name = qemu_opt_get(opts, "process");
1048 if (proc_name) {
1049 os_set_proc_name(proc_name);
1050 }
1051
1052 return 0;
1053 }
1054
1055 bool defaults_enabled(void)
1056 {
1057 return has_defaults;
1058 }
1059
1060 #ifndef _WIN32
1061 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1062 {
1063 int fd, dupfd, flags;
1064 int64_t fdset_id;
1065 const char *fd_opaque = NULL;
1066 AddfdInfo *fdinfo;
1067
1068 fd = qemu_opt_get_number(opts, "fd", -1);
1069 fdset_id = qemu_opt_get_number(opts, "set", -1);
1070 fd_opaque = qemu_opt_get(opts, "opaque");
1071
1072 if (fd < 0) {
1073 error_report("fd option is required and must be non-negative");
1074 return -1;
1075 }
1076
1077 if (fd <= STDERR_FILENO) {
1078 error_report("fd cannot be a standard I/O stream");
1079 return -1;
1080 }
1081
1082 /*
1083 * All fds inherited across exec() necessarily have FD_CLOEXEC
1084 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1085 */
1086 flags = fcntl(fd, F_GETFD);
1087 if (flags == -1 || (flags & FD_CLOEXEC)) {
1088 error_report("fd is not valid or already in use");
1089 return -1;
1090 }
1091
1092 if (fdset_id < 0) {
1093 error_report("set option is required and must be non-negative");
1094 return -1;
1095 }
1096
1097 #ifdef F_DUPFD_CLOEXEC
1098 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1099 #else
1100 dupfd = dup(fd);
1101 if (dupfd != -1) {
1102 qemu_set_cloexec(dupfd);
1103 }
1104 #endif
1105 if (dupfd == -1) {
1106 error_report("error duplicating fd: %s", strerror(errno));
1107 return -1;
1108 }
1109
1110 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1111 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1112 &error_abort);
1113 g_free(fdinfo);
1114
1115 return 0;
1116 }
1117
1118 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1119 {
1120 int fd;
1121
1122 fd = qemu_opt_get_number(opts, "fd", -1);
1123 close(fd);
1124
1125 return 0;
1126 }
1127 #endif
1128
1129 /***********************************************************/
1130 /* QEMU Block devices */
1131
1132 #define HD_OPTS "media=disk"
1133 #define CDROM_OPTS "media=cdrom"
1134 #define FD_OPTS ""
1135 #define PFLASH_OPTS ""
1136 #define MTD_OPTS ""
1137 #define SD_OPTS ""
1138
1139 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1140 {
1141 BlockInterfaceType *block_default_type = opaque;
1142
1143 return drive_new(opts, *block_default_type) == NULL;
1144 }
1145
1146 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1147 {
1148 if (qemu_opt_get(opts, "snapshot") == NULL) {
1149 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1150 }
1151 return 0;
1152 }
1153
1154 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1155 int index, const char *optstr)
1156 {
1157 QemuOpts *opts;
1158 DriveInfo *dinfo;
1159
1160 if (!enable || drive_get_by_index(type, index)) {
1161 return;
1162 }
1163
1164 opts = drive_add(type, index, NULL, optstr);
1165 if (snapshot) {
1166 drive_enable_snapshot(NULL, opts, NULL);
1167 }
1168
1169 dinfo = drive_new(opts, type);
1170 if (!dinfo) {
1171 exit(1);
1172 }
1173 dinfo->is_default = true;
1174
1175 }
1176
1177 static QemuOptsList qemu_smp_opts = {
1178 .name = "smp-opts",
1179 .implied_opt_name = "cpus",
1180 .merge_lists = true,
1181 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1182 .desc = {
1183 {
1184 .name = "cpus",
1185 .type = QEMU_OPT_NUMBER,
1186 }, {
1187 .name = "sockets",
1188 .type = QEMU_OPT_NUMBER,
1189 }, {
1190 .name = "cores",
1191 .type = QEMU_OPT_NUMBER,
1192 }, {
1193 .name = "threads",
1194 .type = QEMU_OPT_NUMBER,
1195 }, {
1196 .name = "maxcpus",
1197 .type = QEMU_OPT_NUMBER,
1198 },
1199 { /*End of list */ }
1200 },
1201 };
1202
1203 static void smp_parse(QemuOpts *opts)
1204 {
1205 if (opts) {
1206 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1207 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1208 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1209 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1210
1211 /* compute missing values, prefer sockets over cores over threads */
1212 if (cpus == 0 || sockets == 0) {
1213 sockets = sockets > 0 ? sockets : 1;
1214 cores = cores > 0 ? cores : 1;
1215 threads = threads > 0 ? threads : 1;
1216 if (cpus == 0) {
1217 cpus = cores * threads * sockets;
1218 }
1219 } else if (cores == 0) {
1220 threads = threads > 0 ? threads : 1;
1221 cores = cpus / (sockets * threads);
1222 cores = cores > 0 ? cores : 1;
1223 } else if (threads == 0) {
1224 threads = cpus / (cores * sockets);
1225 threads = threads > 0 ? threads : 1;
1226 } else if (sockets * cores * threads < cpus) {
1227 error_report("cpu topology: "
1228 "sockets (%u) * cores (%u) * threads (%u) < "
1229 "smp_cpus (%u)",
1230 sockets, cores, threads, cpus);
1231 exit(1);
1232 }
1233
1234 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1235
1236 if (max_cpus < cpus) {
1237 error_report("maxcpus must be equal to or greater than smp");
1238 exit(1);
1239 }
1240
1241 if (sockets * cores * threads > max_cpus) {
1242 error_report("cpu topology: "
1243 "sockets (%u) * cores (%u) * threads (%u) > "
1244 "maxcpus (%u)",
1245 sockets, cores, threads, max_cpus);
1246 exit(1);
1247 }
1248
1249 smp_cpus = cpus;
1250 smp_cores = cores;
1251 smp_threads = threads;
1252 }
1253
1254 if (smp_cpus > 1) {
1255 Error *blocker = NULL;
1256 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1257 replay_add_blocker(blocker);
1258 }
1259 }
1260
1261 static void realtime_init(void)
1262 {
1263 if (enable_mlock) {
1264 if (os_mlock() < 0) {
1265 error_report("locking memory failed");
1266 exit(1);
1267 }
1268 }
1269 }
1270
1271
1272 static void configure_msg(QemuOpts *opts)
1273 {
1274 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1275 }
1276
1277 /***********************************************************/
1278 /* Semihosting */
1279
1280 typedef struct SemihostingConfig {
1281 bool enabled;
1282 SemihostingTarget target;
1283 const char **argv;
1284 int argc;
1285 const char *cmdline; /* concatenated argv */
1286 } SemihostingConfig;
1287
1288 static SemihostingConfig semihosting;
1289
1290 bool semihosting_enabled(void)
1291 {
1292 return semihosting.enabled;
1293 }
1294
1295 SemihostingTarget semihosting_get_target(void)
1296 {
1297 return semihosting.target;
1298 }
1299
1300 const char *semihosting_get_arg(int i)
1301 {
1302 if (i >= semihosting.argc) {
1303 return NULL;
1304 }
1305 return semihosting.argv[i];
1306 }
1307
1308 int semihosting_get_argc(void)
1309 {
1310 return semihosting.argc;
1311 }
1312
1313 const char *semihosting_get_cmdline(void)
1314 {
1315 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1316 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1317 }
1318 return semihosting.cmdline;
1319 }
1320
1321 static int add_semihosting_arg(void *opaque,
1322 const char *name, const char *val,
1323 Error **errp)
1324 {
1325 SemihostingConfig *s = opaque;
1326 if (strcmp(name, "arg") == 0) {
1327 s->argc++;
1328 /* one extra element as g_strjoinv() expects NULL-terminated array */
1329 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1330 s->argv[s->argc - 1] = val;
1331 s->argv[s->argc] = NULL;
1332 }
1333 return 0;
1334 }
1335
1336 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1337 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1338 {
1339 char *cmd_token;
1340
1341 /* argv[0] */
1342 add_semihosting_arg(&semihosting, "arg", file, NULL);
1343
1344 /* split -append and initialize argv[1..n] */
1345 cmd_token = strtok(g_strdup(cmd), " ");
1346 while (cmd_token) {
1347 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1348 cmd_token = strtok(NULL, " ");
1349 }
1350 }
1351
1352 /* Now we still need this for compatibility with XEN. */
1353 bool has_igd_gfx_passthru;
1354 static void igd_gfx_passthru(void)
1355 {
1356 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1357 }
1358
1359 /***********************************************************/
1360 /* USB devices */
1361
1362 static int usb_device_add(const char *devname)
1363 {
1364 USBDevice *dev = NULL;
1365
1366 if (!machine_usb(current_machine)) {
1367 return -1;
1368 }
1369
1370 dev = usbdevice_create(devname);
1371 if (!dev)
1372 return -1;
1373
1374 return 0;
1375 }
1376
1377 static int usb_parse(const char *cmdline)
1378 {
1379 int r;
1380 r = usb_device_add(cmdline);
1381 if (r < 0) {
1382 error_report("could not add USB device '%s'", cmdline);
1383 }
1384 return r;
1385 }
1386
1387 /***********************************************************/
1388 /* machine registration */
1389
1390 MachineState *current_machine;
1391
1392 static MachineClass *find_machine(const char *name)
1393 {
1394 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1395 MachineClass *mc = NULL;
1396
1397 for (el = machines; el; el = el->next) {
1398 MachineClass *temp = el->data;
1399
1400 if (!strcmp(temp->name, name)) {
1401 mc = temp;
1402 break;
1403 }
1404 if (temp->alias &&
1405 !strcmp(temp->alias, name)) {
1406 mc = temp;
1407 break;
1408 }
1409 }
1410
1411 g_slist_free(machines);
1412 return mc;
1413 }
1414
1415 MachineClass *find_default_machine(void)
1416 {
1417 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1418 MachineClass *mc = NULL;
1419
1420 for (el = machines; el; el = el->next) {
1421 MachineClass *temp = el->data;
1422
1423 if (temp->is_default) {
1424 mc = temp;
1425 break;
1426 }
1427 }
1428
1429 g_slist_free(machines);
1430 return mc;
1431 }
1432
1433 MachineInfoList *qmp_query_machines(Error **errp)
1434 {
1435 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1436 MachineInfoList *mach_list = NULL;
1437
1438 for (el = machines; el; el = el->next) {
1439 MachineClass *mc = el->data;
1440 MachineInfoList *entry;
1441 MachineInfo *info;
1442
1443 info = g_malloc0(sizeof(*info));
1444 if (mc->is_default) {
1445 info->has_is_default = true;
1446 info->is_default = true;
1447 }
1448
1449 if (mc->alias) {
1450 info->has_alias = true;
1451 info->alias = g_strdup(mc->alias);
1452 }
1453
1454 info->name = g_strdup(mc->name);
1455 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1456 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1457
1458 entry = g_malloc0(sizeof(*entry));
1459 entry->value = info;
1460 entry->next = mach_list;
1461 mach_list = entry;
1462 }
1463
1464 g_slist_free(machines);
1465 return mach_list;
1466 }
1467
1468 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1469 {
1470 ObjectProperty *prop;
1471 ObjectPropertyIterator iter;
1472
1473 if (!qemu_opt_has_help_opt(opts)) {
1474 return 0;
1475 }
1476
1477 object_property_iter_init(&iter, OBJECT(machine));
1478 while ((prop = object_property_iter_next(&iter))) {
1479 if (!prop->set) {
1480 continue;
1481 }
1482
1483 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1484 prop->name, prop->type);
1485 if (prop->description) {
1486 error_printf(" (%s)\n", prop->description);
1487 } else {
1488 error_printf("\n");
1489 }
1490 }
1491
1492 return 1;
1493 }
1494
1495 /***********************************************************/
1496 /* main execution loop */
1497
1498 struct vm_change_state_entry {
1499 VMChangeStateHandler *cb;
1500 void *opaque;
1501 QLIST_ENTRY (vm_change_state_entry) entries;
1502 };
1503
1504 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1505
1506 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1507 void *opaque)
1508 {
1509 VMChangeStateEntry *e;
1510
1511 e = g_malloc0(sizeof (*e));
1512
1513 e->cb = cb;
1514 e->opaque = opaque;
1515 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1516 return e;
1517 }
1518
1519 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1520 {
1521 QLIST_REMOVE (e, entries);
1522 g_free (e);
1523 }
1524
1525 void vm_state_notify(int running, RunState state)
1526 {
1527 VMChangeStateEntry *e, *next;
1528
1529 trace_vm_state_notify(running, state);
1530
1531 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1532 e->cb(e->opaque, running, state);
1533 }
1534 }
1535
1536 static ShutdownCause reset_requested;
1537 static ShutdownCause shutdown_requested;
1538 static int shutdown_signal;
1539 static pid_t shutdown_pid;
1540 static int powerdown_requested;
1541 static int debug_requested;
1542 static int suspend_requested;
1543 static bool preconfig_exit_requested = true;
1544 static WakeupReason wakeup_reason;
1545 static NotifierList powerdown_notifiers =
1546 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1547 static NotifierList suspend_notifiers =
1548 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1549 static NotifierList wakeup_notifiers =
1550 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1551 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1552
1553 ShutdownCause qemu_shutdown_requested_get(void)
1554 {
1555 return shutdown_requested;
1556 }
1557
1558 ShutdownCause qemu_reset_requested_get(void)
1559 {
1560 return reset_requested;
1561 }
1562
1563 static int qemu_shutdown_requested(void)
1564 {
1565 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1566 }
1567
1568 static void qemu_kill_report(void)
1569 {
1570 if (!qtest_driver() && shutdown_signal) {
1571 if (shutdown_pid == 0) {
1572 /* This happens for eg ^C at the terminal, so it's worth
1573 * avoiding printing an odd message in that case.
1574 */
1575 error_report("terminating on signal %d", shutdown_signal);
1576 } else {
1577 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1578
1579 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1580 shutdown_signal, shutdown_pid,
1581 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1582 g_free(shutdown_cmd);
1583 }
1584 shutdown_signal = 0;
1585 }
1586 }
1587
1588 static ShutdownCause qemu_reset_requested(void)
1589 {
1590 ShutdownCause r = reset_requested;
1591
1592 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1593 reset_requested = SHUTDOWN_CAUSE_NONE;
1594 return r;
1595 }
1596 return SHUTDOWN_CAUSE_NONE;
1597 }
1598
1599 static int qemu_suspend_requested(void)
1600 {
1601 int r = suspend_requested;
1602 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1603 suspend_requested = 0;
1604 return r;
1605 }
1606 return false;
1607 }
1608
1609 static WakeupReason qemu_wakeup_requested(void)
1610 {
1611 return wakeup_reason;
1612 }
1613
1614 static int qemu_powerdown_requested(void)
1615 {
1616 int r = powerdown_requested;
1617 powerdown_requested = 0;
1618 return r;
1619 }
1620
1621 static int qemu_debug_requested(void)
1622 {
1623 int r = debug_requested;
1624 debug_requested = 0;
1625 return r;
1626 }
1627
1628 void qemu_exit_preconfig_request(void)
1629 {
1630 preconfig_exit_requested = true;
1631 }
1632
1633 /*
1634 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1635 */
1636 void qemu_system_reset(ShutdownCause reason)
1637 {
1638 MachineClass *mc;
1639
1640 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1641
1642 cpu_synchronize_all_states();
1643
1644 if (mc && mc->reset) {
1645 mc->reset();
1646 } else {
1647 qemu_devices_reset();
1648 }
1649 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1650 qapi_event_send_reset(shutdown_caused_by_guest(reason));
1651 }
1652 cpu_synchronize_all_post_reset();
1653 }
1654
1655 void qemu_system_guest_panicked(GuestPanicInformation *info)
1656 {
1657 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1658
1659 if (current_cpu) {
1660 current_cpu->crash_occurred = true;
1661 }
1662 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1663 !!info, info);
1664 vm_stop(RUN_STATE_GUEST_PANICKED);
1665 if (!no_shutdown) {
1666 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1667 !!info, info);
1668 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1669 }
1670
1671 if (info) {
1672 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1673 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1674 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1675 info->u.hyper_v.arg1,
1676 info->u.hyper_v.arg2,
1677 info->u.hyper_v.arg3,
1678 info->u.hyper_v.arg4,
1679 info->u.hyper_v.arg5);
1680 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1681 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1682 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1683 info->u.s390.core,
1684 S390CrashReason_str(info->u.s390.reason),
1685 info->u.s390.psw_mask,
1686 info->u.s390.psw_addr);
1687 }
1688 qapi_free_GuestPanicInformation(info);
1689 }
1690 }
1691
1692 void qemu_system_reset_request(ShutdownCause reason)
1693 {
1694 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1695 shutdown_requested = reason;
1696 } else {
1697 reset_requested = reason;
1698 }
1699 cpu_stop_current();
1700 qemu_notify_event();
1701 }
1702
1703 static void qemu_system_suspend(void)
1704 {
1705 pause_all_vcpus();
1706 notifier_list_notify(&suspend_notifiers, NULL);
1707 runstate_set(RUN_STATE_SUSPENDED);
1708 qapi_event_send_suspend();
1709 }
1710
1711 void qemu_system_suspend_request(void)
1712 {
1713 if (runstate_check(RUN_STATE_SUSPENDED)) {
1714 return;
1715 }
1716 suspend_requested = 1;
1717 cpu_stop_current();
1718 qemu_notify_event();
1719 }
1720
1721 void qemu_register_suspend_notifier(Notifier *notifier)
1722 {
1723 notifier_list_add(&suspend_notifiers, notifier);
1724 }
1725
1726 void qemu_system_wakeup_request(WakeupReason reason)
1727 {
1728 trace_system_wakeup_request(reason);
1729
1730 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1731 return;
1732 }
1733 if (!(wakeup_reason_mask & (1 << reason))) {
1734 return;
1735 }
1736 runstate_set(RUN_STATE_RUNNING);
1737 wakeup_reason = reason;
1738 qemu_notify_event();
1739 }
1740
1741 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1742 {
1743 if (enabled) {
1744 wakeup_reason_mask |= (1 << reason);
1745 } else {
1746 wakeup_reason_mask &= ~(1 << reason);
1747 }
1748 }
1749
1750 void qemu_register_wakeup_notifier(Notifier *notifier)
1751 {
1752 notifier_list_add(&wakeup_notifiers, notifier);
1753 }
1754
1755 void qemu_system_killed(int signal, pid_t pid)
1756 {
1757 shutdown_signal = signal;
1758 shutdown_pid = pid;
1759 no_shutdown = 0;
1760
1761 /* Cannot call qemu_system_shutdown_request directly because
1762 * we are in a signal handler.
1763 */
1764 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1765 qemu_notify_event();
1766 }
1767
1768 void qemu_system_shutdown_request(ShutdownCause reason)
1769 {
1770 trace_qemu_system_shutdown_request(reason);
1771 replay_shutdown_request(reason);
1772 shutdown_requested = reason;
1773 qemu_notify_event();
1774 }
1775
1776 static void qemu_system_powerdown(void)
1777 {
1778 qapi_event_send_powerdown();
1779 notifier_list_notify(&powerdown_notifiers, NULL);
1780 }
1781
1782 void qemu_system_powerdown_request(void)
1783 {
1784 trace_qemu_system_powerdown_request();
1785 powerdown_requested = 1;
1786 qemu_notify_event();
1787 }
1788
1789 void qemu_register_powerdown_notifier(Notifier *notifier)
1790 {
1791 notifier_list_add(&powerdown_notifiers, notifier);
1792 }
1793
1794 void qemu_system_debug_request(void)
1795 {
1796 debug_requested = 1;
1797 qemu_notify_event();
1798 }
1799
1800 static bool main_loop_should_exit(void)
1801 {
1802 RunState r;
1803 ShutdownCause request;
1804
1805 if (preconfig_exit_requested) {
1806 if (runstate_check(RUN_STATE_PRECONFIG)) {
1807 runstate_set(RUN_STATE_PRELAUNCH);
1808 }
1809 preconfig_exit_requested = false;
1810 return true;
1811 }
1812 if (qemu_debug_requested()) {
1813 vm_stop(RUN_STATE_DEBUG);
1814 }
1815 if (qemu_suspend_requested()) {
1816 qemu_system_suspend();
1817 }
1818 request = qemu_shutdown_requested();
1819 if (request) {
1820 qemu_kill_report();
1821 qapi_event_send_shutdown(shutdown_caused_by_guest(request));
1822 if (no_shutdown) {
1823 vm_stop(RUN_STATE_SHUTDOWN);
1824 } else {
1825 return true;
1826 }
1827 }
1828 request = qemu_reset_requested();
1829 if (request) {
1830 pause_all_vcpus();
1831 qemu_system_reset(request);
1832 resume_all_vcpus();
1833 if (!runstate_check(RUN_STATE_RUNNING) &&
1834 !runstate_check(RUN_STATE_INMIGRATE)) {
1835 runstate_set(RUN_STATE_PRELAUNCH);
1836 }
1837 }
1838 if (qemu_wakeup_requested()) {
1839 pause_all_vcpus();
1840 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1841 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1842 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1843 resume_all_vcpus();
1844 qapi_event_send_wakeup();
1845 }
1846 if (qemu_powerdown_requested()) {
1847 qemu_system_powerdown();
1848 }
1849 if (qemu_vmstop_requested(&r)) {
1850 vm_stop(r);
1851 }
1852 return false;
1853 }
1854
1855 static void main_loop(void)
1856 {
1857 #ifdef CONFIG_PROFILER
1858 int64_t ti;
1859 #endif
1860 while (!main_loop_should_exit()) {
1861 #ifdef CONFIG_PROFILER
1862 ti = profile_getclock();
1863 #endif
1864 main_loop_wait(false);
1865 #ifdef CONFIG_PROFILER
1866 dev_time += profile_getclock() - ti;
1867 #endif
1868 }
1869 }
1870
1871 static void version(void)
1872 {
1873 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1874 QEMU_COPYRIGHT "\n");
1875 }
1876
1877 static void help(int exitcode)
1878 {
1879 version();
1880 printf("usage: %s [options] [disk_image]\n\n"
1881 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1882 error_get_progname());
1883
1884 #define QEMU_OPTIONS_GENERATE_HELP
1885 #include "qemu-options-wrapper.h"
1886
1887 printf("\nDuring emulation, the following keys are useful:\n"
1888 "ctrl-alt-f toggle full screen\n"
1889 "ctrl-alt-n switch to virtual console 'n'\n"
1890 "ctrl-alt toggle mouse and keyboard grab\n"
1891 "\n"
1892 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1893 "\n"
1894 QEMU_HELP_BOTTOM "\n");
1895
1896 exit(exitcode);
1897 }
1898
1899 #define HAS_ARG 0x0001
1900
1901 typedef struct QEMUOption {
1902 const char *name;
1903 int flags;
1904 int index;
1905 uint32_t arch_mask;
1906 } QEMUOption;
1907
1908 static const QEMUOption qemu_options[] = {
1909 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1910 #define QEMU_OPTIONS_GENERATE_OPTIONS
1911 #include "qemu-options-wrapper.h"
1912 { NULL },
1913 };
1914
1915 typedef struct VGAInterfaceInfo {
1916 const char *opt_name; /* option name */
1917 const char *name; /* human-readable name */
1918 /* Class names indicating that support is available.
1919 * If no class is specified, the interface is always available */
1920 const char *class_names[2];
1921 } VGAInterfaceInfo;
1922
1923 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1924 [VGA_NONE] = {
1925 .opt_name = "none",
1926 },
1927 [VGA_STD] = {
1928 .opt_name = "std",
1929 .name = "standard VGA",
1930 .class_names = { "VGA", "isa-vga" },
1931 },
1932 [VGA_CIRRUS] = {
1933 .opt_name = "cirrus",
1934 .name = "Cirrus VGA",
1935 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1936 },
1937 [VGA_VMWARE] = {
1938 .opt_name = "vmware",
1939 .name = "VMWare SVGA",
1940 .class_names = { "vmware-svga" },
1941 },
1942 [VGA_VIRTIO] = {
1943 .opt_name = "virtio",
1944 .name = "Virtio VGA",
1945 .class_names = { "virtio-vga" },
1946 },
1947 [VGA_QXL] = {
1948 .opt_name = "qxl",
1949 .name = "QXL VGA",
1950 .class_names = { "qxl-vga" },
1951 },
1952 [VGA_TCX] = {
1953 .opt_name = "tcx",
1954 .name = "TCX framebuffer",
1955 .class_names = { "SUNW,tcx" },
1956 },
1957 [VGA_CG3] = {
1958 .opt_name = "cg3",
1959 .name = "CG3 framebuffer",
1960 .class_names = { "cgthree" },
1961 },
1962 [VGA_XENFB] = {
1963 .opt_name = "xenfb",
1964 },
1965 };
1966
1967 static bool vga_interface_available(VGAInterfaceType t)
1968 {
1969 VGAInterfaceInfo *ti = &vga_interfaces[t];
1970
1971 assert(t < VGA_TYPE_MAX);
1972 return !ti->class_names[0] ||
1973 object_class_by_name(ti->class_names[0]) ||
1974 object_class_by_name(ti->class_names[1]);
1975 }
1976
1977 static void select_vgahw(const char *p)
1978 {
1979 const char *opts;
1980 int t;
1981
1982 assert(vga_interface_type == VGA_NONE);
1983 for (t = 0; t < VGA_TYPE_MAX; t++) {
1984 VGAInterfaceInfo *ti = &vga_interfaces[t];
1985 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1986 if (!vga_interface_available(t)) {
1987 error_report("%s not available", ti->name);
1988 exit(1);
1989 }
1990 vga_interface_type = t;
1991 break;
1992 }
1993 }
1994 if (t == VGA_TYPE_MAX) {
1995 invalid_vga:
1996 error_report("unknown vga type: %s", p);
1997 exit(1);
1998 }
1999 while (*opts) {
2000 const char *nextopt;
2001
2002 if (strstart(opts, ",retrace=", &nextopt)) {
2003 opts = nextopt;
2004 if (strstart(opts, "dumb", &nextopt))
2005 vga_retrace_method = VGA_RETRACE_DUMB;
2006 else if (strstart(opts, "precise", &nextopt))
2007 vga_retrace_method = VGA_RETRACE_PRECISE;
2008 else goto invalid_vga;
2009 } else goto invalid_vga;
2010 opts = nextopt;
2011 }
2012 }
2013
2014 static void parse_display_qapi(const char *optarg)
2015 {
2016 Error *err = NULL;
2017 DisplayOptions *opts;
2018 Visitor *v;
2019
2020 v = qobject_input_visitor_new_str(optarg, "type", &err);
2021 if (!v) {
2022 error_report_err(err);
2023 exit(1);
2024 }
2025
2026 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2027 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2028
2029 qapi_free_DisplayOptions(opts);
2030 visit_free(v);
2031 }
2032
2033 static void parse_display(const char *p)
2034 {
2035 const char *opts;
2036
2037 if (strstart(p, "sdl", &opts)) {
2038 /*
2039 * sdl DisplayType needs hand-crafted parser instead of
2040 * parse_display_qapi() due to some options not in
2041 * DisplayOptions, specifically:
2042 * - frame
2043 * Already deprecated.
2044 * - ctrl_grab + alt_grab
2045 * Not clear yet what happens to them long-term. Should
2046 * replaced by something better or deprecated and dropped.
2047 */
2048 dpy.type = DISPLAY_TYPE_SDL;
2049 while (*opts) {
2050 const char *nextopt;
2051
2052 if (strstart(opts, ",frame=", &nextopt)) {
2053 g_printerr("The frame= sdl option is deprecated, and will be\n"
2054 "removed in a future release.\n");
2055 opts = nextopt;
2056 if (strstart(opts, "on", &nextopt)) {
2057 no_frame = 0;
2058 } else if (strstart(opts, "off", &nextopt)) {
2059 no_frame = 1;
2060 } else {
2061 goto invalid_sdl_args;
2062 }
2063 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2064 opts = nextopt;
2065 if (strstart(opts, "on", &nextopt)) {
2066 alt_grab = 1;
2067 } else if (strstart(opts, "off", &nextopt)) {
2068 alt_grab = 0;
2069 } else {
2070 goto invalid_sdl_args;
2071 }
2072 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2073 opts = nextopt;
2074 if (strstart(opts, "on", &nextopt)) {
2075 ctrl_grab = 1;
2076 } else if (strstart(opts, "off", &nextopt)) {
2077 ctrl_grab = 0;
2078 } else {
2079 goto invalid_sdl_args;
2080 }
2081 } else if (strstart(opts, ",window_close=", &nextopt)) {
2082 opts = nextopt;
2083 dpy.has_window_close = true;
2084 if (strstart(opts, "on", &nextopt)) {
2085 dpy.window_close = true;
2086 } else if (strstart(opts, "off", &nextopt)) {
2087 dpy.window_close = false;
2088 } else {
2089 goto invalid_sdl_args;
2090 }
2091 } else if (strstart(opts, ",gl=", &nextopt)) {
2092 opts = nextopt;
2093 dpy.has_gl = true;
2094 if (strstart(opts, "on", &nextopt)) {
2095 dpy.gl = DISPLAYGL_MODE_ON;
2096 } else if (strstart(opts, "core", &nextopt)) {
2097 dpy.gl = DISPLAYGL_MODE_CORE;
2098 } else if (strstart(opts, "es", &nextopt)) {
2099 dpy.gl = DISPLAYGL_MODE_ES;
2100 } else if (strstart(opts, "off", &nextopt)) {
2101 dpy.gl = DISPLAYGL_MODE_OFF;
2102 } else {
2103 goto invalid_sdl_args;
2104 }
2105 } else {
2106 invalid_sdl_args:
2107 error_report("invalid SDL option string");
2108 exit(1);
2109 }
2110 opts = nextopt;
2111 }
2112 } else if (strstart(p, "vnc", &opts)) {
2113 /*
2114 * vnc isn't a (local) DisplayType but a protocol for remote
2115 * display access.
2116 */
2117 if (*opts == '=') {
2118 vnc_parse(opts + 1, &error_fatal);
2119 } else {
2120 error_report("VNC requires a display argument vnc=<display>");
2121 exit(1);
2122 }
2123 } else {
2124 parse_display_qapi(p);
2125 }
2126 }
2127
2128 static int balloon_parse(const char *arg)
2129 {
2130 QemuOpts *opts;
2131
2132 warn_report("This option is deprecated. "
2133 "Use '--device virtio-balloon' to enable the balloon device.");
2134
2135 if (strcmp(arg, "none") == 0) {
2136 return 0;
2137 }
2138
2139 if (!strncmp(arg, "virtio", 6)) {
2140 if (arg[6] == ',') {
2141 /* have params -> parse them */
2142 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2143 false);
2144 if (!opts)
2145 return -1;
2146 } else {
2147 /* create empty opts */
2148 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2149 &error_abort);
2150 }
2151 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2152 return 0;
2153 }
2154
2155 return -1;
2156 }
2157
2158 char *qemu_find_file(int type, const char *name)
2159 {
2160 int i;
2161 const char *subdir;
2162 char *buf;
2163
2164 /* Try the name as a straight path first */
2165 if (access(name, R_OK) == 0) {
2166 trace_load_file(name, name);
2167 return g_strdup(name);
2168 }
2169
2170 switch (type) {
2171 case QEMU_FILE_TYPE_BIOS:
2172 subdir = "";
2173 break;
2174 case QEMU_FILE_TYPE_KEYMAP:
2175 subdir = "keymaps/";
2176 break;
2177 default:
2178 abort();
2179 }
2180
2181 for (i = 0; i < data_dir_idx; i++) {
2182 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2183 if (access(buf, R_OK) == 0) {
2184 trace_load_file(name, buf);
2185 return buf;
2186 }
2187 g_free(buf);
2188 }
2189 return NULL;
2190 }
2191
2192 static void qemu_add_data_dir(const char *path)
2193 {
2194 int i;
2195
2196 if (path == NULL) {
2197 return;
2198 }
2199 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2200 return;
2201 }
2202 for (i = 0; i < data_dir_idx; i++) {
2203 if (strcmp(data_dir[i], path) == 0) {
2204 return; /* duplicate */
2205 }
2206 }
2207 data_dir[data_dir_idx++] = g_strdup(path);
2208 }
2209
2210 static inline bool nonempty_str(const char *str)
2211 {
2212 return str && *str;
2213 }
2214
2215 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2216 {
2217 gchar *buf;
2218 size_t size;
2219 const char *name, *file, *str;
2220 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2221
2222 if (fw_cfg == NULL) {
2223 error_report("fw_cfg device not available");
2224 return -1;
2225 }
2226 name = qemu_opt_get(opts, "name");
2227 file = qemu_opt_get(opts, "file");
2228 str = qemu_opt_get(opts, "string");
2229
2230 /* we need name and either a file or the content string */
2231 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2232 error_report("invalid argument(s)");
2233 return -1;
2234 }
2235 if (nonempty_str(file) && nonempty_str(str)) {
2236 error_report("file and string are mutually exclusive");
2237 return -1;
2238 }
2239 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2240 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2241 return -1;
2242 }
2243 if (strncmp(name, "opt/", 4) != 0) {
2244 warn_report("externally provided fw_cfg item names "
2245 "should be prefixed with \"opt/\"");
2246 }
2247 if (nonempty_str(str)) {
2248 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2249 buf = g_memdup(str, size);
2250 } else {
2251 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2252 error_report("can't load %s", file);
2253 return -1;
2254 }
2255 }
2256 /* For legacy, keep user files in a specific global order. */
2257 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2258 fw_cfg_add_file(fw_cfg, name, buf, size);
2259 fw_cfg_reset_order_override(fw_cfg);
2260 return 0;
2261 }
2262
2263 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2264 {
2265 return qdev_device_help(opts);
2266 }
2267
2268 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2269 {
2270 Error *err = NULL;
2271 DeviceState *dev;
2272
2273 dev = qdev_device_add(opts, &err);
2274 if (!dev) {
2275 error_report_err(err);
2276 return -1;
2277 }
2278 object_unref(OBJECT(dev));
2279 return 0;
2280 }
2281
2282 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2283 {
2284 Error *local_err = NULL;
2285
2286 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2287 if (local_err) {
2288 error_report_err(local_err);
2289 return -1;
2290 }
2291 exit(0);
2292 }
2293 return 0;
2294 }
2295
2296 #ifdef CONFIG_VIRTFS
2297 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2298 {
2299 return qemu_fsdev_add(opts);
2300 }
2301 #endif
2302
2303 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2304 {
2305 Chardev *chr;
2306 const char *chardev;
2307 const char *mode;
2308 int flags;
2309
2310 mode = qemu_opt_get(opts, "mode");
2311 if (mode == NULL) {
2312 mode = "readline";
2313 }
2314 if (strcmp(mode, "readline") == 0) {
2315 flags = MONITOR_USE_READLINE;
2316 } else if (strcmp(mode, "control") == 0) {
2317 flags = MONITOR_USE_CONTROL;
2318 } else {
2319 error_report("unknown monitor mode \"%s\"", mode);
2320 exit(1);
2321 }
2322
2323 if (qemu_opt_get_bool(opts, "pretty", 0))
2324 flags |= MONITOR_USE_PRETTY;
2325
2326 /* OOB is off by default */
2327 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2328 flags |= MONITOR_USE_OOB;
2329 }
2330
2331 chardev = qemu_opt_get(opts, "chardev");
2332 chr = qemu_chr_find(chardev);
2333 if (chr == NULL) {
2334 error_report("chardev \"%s\" not found", chardev);
2335 exit(1);
2336 }
2337
2338 monitor_init(chr, flags);
2339 return 0;
2340 }
2341
2342 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2343 {
2344 static int monitor_device_index = 0;
2345 QemuOpts *opts;
2346 const char *p;
2347 char label[32];
2348
2349 if (strstart(optarg, "chardev:", &p)) {
2350 snprintf(label, sizeof(label), "%s", p);
2351 } else {
2352 snprintf(label, sizeof(label), "compat_monitor%d",
2353 monitor_device_index);
2354 opts = qemu_chr_parse_compat(label, optarg);
2355 if (!opts) {
2356 error_report("parse error: %s", optarg);
2357 exit(1);
2358 }
2359 }
2360
2361 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2362 qemu_opt_set(opts, "mode", mode, &error_abort);
2363 qemu_opt_set(opts, "chardev", label, &error_abort);
2364 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2365 monitor_device_index++;
2366 }
2367
2368 struct device_config {
2369 enum {
2370 DEV_USB, /* -usbdevice */
2371 DEV_BT, /* -bt */
2372 DEV_SERIAL, /* -serial */
2373 DEV_PARALLEL, /* -parallel */
2374 DEV_VIRTCON, /* -virtioconsole */
2375 DEV_DEBUGCON, /* -debugcon */
2376 DEV_GDB, /* -gdb, -s */
2377 DEV_SCLP, /* s390 sclp */
2378 } type;
2379 const char *cmdline;
2380 Location loc;
2381 QTAILQ_ENTRY(device_config) next;
2382 };
2383
2384 static QTAILQ_HEAD(, device_config) device_configs =
2385 QTAILQ_HEAD_INITIALIZER(device_configs);
2386
2387 static void add_device_config(int type, const char *cmdline)
2388 {
2389 struct device_config *conf;
2390
2391 conf = g_malloc0(sizeof(*conf));
2392 conf->type = type;
2393 conf->cmdline = cmdline;
2394 loc_save(&conf->loc);
2395 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2396 }
2397
2398 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2399 {
2400 struct device_config *conf;
2401 int rc;
2402
2403 QTAILQ_FOREACH(conf, &device_configs, next) {
2404 if (conf->type != type)
2405 continue;
2406 loc_push_restore(&conf->loc);
2407 rc = func(conf->cmdline);
2408 loc_pop(&conf->loc);
2409 if (rc) {
2410 return rc;
2411 }
2412 }
2413 return 0;
2414 }
2415
2416 static int serial_parse(const char *devname)
2417 {
2418 int index = num_serial_hds;
2419 char label[32];
2420
2421 if (strcmp(devname, "none") == 0)
2422 return 0;
2423 snprintf(label, sizeof(label), "serial%d", index);
2424 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2425
2426 serial_hds[index] = qemu_chr_new(label, devname);
2427 if (!serial_hds[index]) {
2428 error_report("could not connect serial device"
2429 " to character backend '%s'", devname);
2430 return -1;
2431 }
2432 num_serial_hds++;
2433 return 0;
2434 }
2435
2436 Chardev *serial_hd(int i)
2437 {
2438 assert(i >= 0);
2439 if (i < num_serial_hds) {
2440 return serial_hds[i];
2441 }
2442 return NULL;
2443 }
2444
2445 int serial_max_hds(void)
2446 {
2447 return num_serial_hds;
2448 }
2449
2450 static int parallel_parse(const char *devname)
2451 {
2452 static int index = 0;
2453 char label[32];
2454
2455 if (strcmp(devname, "none") == 0)
2456 return 0;
2457 if (index == MAX_PARALLEL_PORTS) {
2458 error_report("too many parallel ports");
2459 exit(1);
2460 }
2461 snprintf(label, sizeof(label), "parallel%d", index);
2462 parallel_hds[index] = qemu_chr_new(label, devname);
2463 if (!parallel_hds[index]) {
2464 error_report("could not connect parallel device"
2465 " to character backend '%s'", devname);
2466 return -1;
2467 }
2468 index++;
2469 return 0;
2470 }
2471
2472 static int virtcon_parse(const char *devname)
2473 {
2474 QemuOptsList *device = qemu_find_opts("device");
2475 static int index = 0;
2476 char label[32];
2477 QemuOpts *bus_opts, *dev_opts;
2478
2479 if (strcmp(devname, "none") == 0)
2480 return 0;
2481 if (index == MAX_VIRTIO_CONSOLES) {
2482 error_report("too many virtio consoles");
2483 exit(1);
2484 }
2485
2486 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2487 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2488
2489 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2490 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2491
2492 snprintf(label, sizeof(label), "virtcon%d", index);
2493 virtcon_hds[index] = qemu_chr_new(label, devname);
2494 if (!virtcon_hds[index]) {
2495 error_report("could not connect virtio console"
2496 " to character backend '%s'", devname);
2497 return -1;
2498 }
2499 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2500
2501 index++;
2502 return 0;
2503 }
2504
2505 static int debugcon_parse(const char *devname)
2506 {
2507 QemuOpts *opts;
2508
2509 if (!qemu_chr_new("debugcon", devname)) {
2510 exit(1);
2511 }
2512 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2513 if (!opts) {
2514 error_report("already have a debugcon device");
2515 exit(1);
2516 }
2517 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2518 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2519 return 0;
2520 }
2521
2522 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2523 {
2524 const MachineClass *mc1 = a, *mc2 = b;
2525 int res;
2526
2527 if (mc1->family == NULL) {
2528 if (mc2->family == NULL) {
2529 /* Compare standalone machine types against each other; they sort
2530 * in increasing order.
2531 */
2532 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2533 object_class_get_name(OBJECT_CLASS(mc2)));
2534 }
2535
2536 /* Standalone machine types sort after families. */
2537 return 1;
2538 }
2539
2540 if (mc2->family == NULL) {
2541 /* Families sort before standalone machine types. */
2542 return -1;
2543 }
2544
2545 /* Families sort between each other alphabetically increasingly. */
2546 res = strcmp(mc1->family, mc2->family);
2547 if (res != 0) {
2548 return res;
2549 }
2550
2551 /* Within the same family, machine types sort in decreasing order. */
2552 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2553 object_class_get_name(OBJECT_CLASS(mc1)));
2554 }
2555
2556 static MachineClass *machine_parse(const char *name)
2557 {
2558 MachineClass *mc = NULL;
2559 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2560
2561 if (name) {
2562 mc = find_machine(name);
2563 }
2564 if (mc) {
2565 g_slist_free(machines);
2566 return mc;
2567 }
2568 if (name && !is_help_option(name)) {
2569 error_report("unsupported machine type");
2570 error_printf("Use -machine help to list supported machines\n");
2571 } else {
2572 printf("Supported machines are:\n");
2573 machines = g_slist_sort(machines, machine_class_cmp);
2574 for (el = machines; el; el = el->next) {
2575 MachineClass *mc = el->data;
2576 if (mc->alias) {
2577 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2578 }
2579 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2580 mc->is_default ? " (default)" : "",
2581 mc->deprecation_reason ? " (deprecated)" : "");
2582 }
2583 }
2584
2585 g_slist_free(machines);
2586 exit(!name || !is_help_option(name));
2587 }
2588
2589 void qemu_add_exit_notifier(Notifier *notify)
2590 {
2591 notifier_list_add(&exit_notifiers, notify);
2592 }
2593
2594 void qemu_remove_exit_notifier(Notifier *notify)
2595 {
2596 notifier_remove(notify);
2597 }
2598
2599 static void qemu_run_exit_notifiers(void)
2600 {
2601 notifier_list_notify(&exit_notifiers, NULL);
2602 }
2603
2604 bool machine_init_done;
2605
2606 void qemu_add_machine_init_done_notifier(Notifier *notify)
2607 {
2608 notifier_list_add(&machine_init_done_notifiers, notify);
2609 if (machine_init_done) {
2610 notify->notify(notify, NULL);
2611 }
2612 }
2613
2614 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2615 {
2616 notifier_remove(notify);
2617 }
2618
2619 static void qemu_run_machine_init_done_notifiers(void)
2620 {
2621 machine_init_done = true;
2622 notifier_list_notify(&machine_init_done_notifiers, NULL);
2623 }
2624
2625 static const QEMUOption *lookup_opt(int argc, char **argv,
2626 const char **poptarg, int *poptind)
2627 {
2628 const QEMUOption *popt;
2629 int optind = *poptind;
2630 char *r = argv[optind];
2631 const char *optarg;
2632
2633 loc_set_cmdline(argv, optind, 1);
2634 optind++;
2635 /* Treat --foo the same as -foo. */
2636 if (r[1] == '-')
2637 r++;
2638 popt = qemu_options;
2639 for(;;) {
2640 if (!popt->name) {
2641 error_report("invalid option");
2642 exit(1);
2643 }
2644 if (!strcmp(popt->name, r + 1))
2645 break;
2646 popt++;
2647 }
2648 if (popt->flags & HAS_ARG) {
2649 if (optind >= argc) {
2650 error_report("requires an argument");
2651 exit(1);
2652 }
2653 optarg = argv[optind++];
2654 loc_set_cmdline(argv, optind - 2, 2);
2655 } else {
2656 optarg = NULL;
2657 }
2658
2659 *poptarg = optarg;
2660 *poptind = optind;
2661
2662 return popt;
2663 }
2664
2665 static MachineClass *select_machine(void)
2666 {
2667 MachineClass *machine_class = find_default_machine();
2668 const char *optarg;
2669 QemuOpts *opts;
2670 Location loc;
2671
2672 loc_push_none(&loc);
2673
2674 opts = qemu_get_machine_opts();
2675 qemu_opts_loc_restore(opts);
2676
2677 optarg = qemu_opt_get(opts, "type");
2678 if (optarg) {
2679 machine_class = machine_parse(optarg);
2680 }
2681
2682 if (!machine_class) {
2683 error_report("No machine specified, and there is no default");
2684 error_printf("Use -machine help to list supported machines\n");
2685 exit(1);
2686 }
2687
2688 loc_pop(&loc);
2689 return machine_class;
2690 }
2691
2692 static int machine_set_property(void *opaque,
2693 const char *name, const char *value,
2694 Error **errp)
2695 {
2696 Object *obj = OBJECT(opaque);
2697 Error *local_err = NULL;
2698 char *p, *qom_name;
2699
2700 if (strcmp(name, "type") == 0) {
2701 return 0;
2702 }
2703
2704 qom_name = g_strdup(name);
2705 for (p = qom_name; *p; p++) {
2706 if (*p == '_') {
2707 *p = '-';
2708 }
2709 }
2710
2711 object_property_parse(obj, value, qom_name, &local_err);
2712 g_free(qom_name);
2713
2714 if (local_err) {
2715 error_report_err(local_err);
2716 return -1;
2717 }
2718
2719 return 0;
2720 }
2721
2722
2723 /*
2724 * Initial object creation happens before all other
2725 * QEMU data types are created. The majority of objects
2726 * can be created at this point. The rng-egd object
2727 * cannot be created here, as it depends on the chardev
2728 * already existing.
2729 */
2730 static bool object_create_initial(const char *type)
2731 {
2732 if (g_str_equal(type, "rng-egd") ||
2733 g_str_has_prefix(type, "pr-manager-")) {
2734 return false;
2735 }
2736
2737 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2738 if (g_str_equal(type, "cryptodev-vhost-user")) {
2739 return false;
2740 }
2741 #endif
2742
2743 /*
2744 * return false for concrete netfilters since
2745 * they depend on netdevs already existing
2746 */
2747 if (g_str_equal(type, "filter-buffer") ||
2748 g_str_equal(type, "filter-dump") ||
2749 g_str_equal(type, "filter-mirror") ||
2750 g_str_equal(type, "filter-redirector") ||
2751 g_str_equal(type, "colo-compare") ||
2752 g_str_equal(type, "filter-rewriter") ||
2753 g_str_equal(type, "filter-replay")) {
2754 return false;
2755 }
2756
2757 /* Memory allocation by backends needs to be done
2758 * after configure_accelerator() (due to the tcg_enabled()
2759 * checks at memory_region_init_*()).
2760 *
2761 * Also, allocation of large amounts of memory may delay
2762 * chardev initialization for too long, and trigger timeouts
2763 * on software that waits for a monitor socket to be created
2764 * (e.g. libvirt).
2765 */
2766 if (g_str_has_prefix(type, "memory-backend-")) {
2767 return false;
2768 }
2769
2770 return true;
2771 }
2772
2773
2774 /*
2775 * The remainder of object creation happens after the
2776 * creation of chardev, fsdev, net clients and device data types.
2777 */
2778 static bool object_create_delayed(const char *type)
2779 {
2780 return !object_create_initial(type);
2781 }
2782
2783
2784 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2785 MachineClass *mc)
2786 {
2787 uint64_t sz;
2788 const char *mem_str;
2789 const ram_addr_t default_ram_size = mc->default_ram_size;
2790 QemuOpts *opts = qemu_find_opts_singleton("memory");
2791 Location loc;
2792
2793 loc_push_none(&loc);
2794 qemu_opts_loc_restore(opts);
2795
2796 sz = 0;
2797 mem_str = qemu_opt_get(opts, "size");
2798 if (mem_str) {
2799 if (!*mem_str) {
2800 error_report("missing 'size' option value");
2801 exit(EXIT_FAILURE);
2802 }
2803
2804 sz = qemu_opt_get_size(opts, "size", ram_size);
2805
2806 /* Fix up legacy suffix-less format */
2807 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2808 uint64_t overflow_check = sz;
2809
2810 sz *= MiB;
2811 if (sz / MiB != overflow_check) {
2812 error_report("too large 'size' option value");
2813 exit(EXIT_FAILURE);
2814 }
2815 }
2816 }
2817
2818 /* backward compatibility behaviour for case "-m 0" */
2819 if (sz == 0) {
2820 sz = default_ram_size;
2821 }
2822
2823 sz = QEMU_ALIGN_UP(sz, 8192);
2824 ram_size = sz;
2825 if (ram_size != sz) {
2826 error_report("ram size too large");
2827 exit(EXIT_FAILURE);
2828 }
2829
2830 /* store value for the future use */
2831 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2832 *maxram_size = ram_size;
2833
2834 if (qemu_opt_get(opts, "maxmem")) {
2835 uint64_t slots;
2836
2837 sz = qemu_opt_get_size(opts, "maxmem", 0);
2838 slots = qemu_opt_get_number(opts, "slots", 0);
2839 if (sz < ram_size) {
2840 error_report("invalid value of -m option maxmem: "
2841 "maximum memory size (0x%" PRIx64 ") must be at least "
2842 "the initial memory size (0x" RAM_ADDR_FMT ")",
2843 sz, ram_size);
2844 exit(EXIT_FAILURE);
2845 } else if (slots && sz == ram_size) {
2846 error_report("invalid value of -m option maxmem: "
2847 "memory slots were specified but maximum memory size "
2848 "(0x%" PRIx64 ") is equal to the initial memory size "
2849 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2850 exit(EXIT_FAILURE);
2851 }
2852
2853 *maxram_size = sz;
2854 *ram_slots = slots;
2855 } else if (qemu_opt_get(opts, "slots")) {
2856 error_report("invalid -m option value: missing 'maxmem' option");
2857 exit(EXIT_FAILURE);
2858 }
2859
2860 loc_pop(&loc);
2861 }
2862
2863 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2864 {
2865 GlobalProperty *g;
2866
2867 g = g_malloc0(sizeof(*g));
2868 g->driver = qemu_opt_get(opts, "driver");
2869 g->property = qemu_opt_get(opts, "property");
2870 g->value = qemu_opt_get(opts, "value");
2871 g->user_provided = true;
2872 g->errp = &error_fatal;
2873 qdev_prop_register_global(g);
2874 return 0;
2875 }
2876
2877 static int qemu_read_default_config_file(void)
2878 {
2879 int ret;
2880
2881 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2882 if (ret < 0 && ret != -ENOENT) {
2883 return ret;
2884 }
2885
2886 return 0;
2887 }
2888
2889 static void user_register_global_props(void)
2890 {
2891 qemu_opts_foreach(qemu_find_opts("global"),
2892 global_init_func, NULL, NULL);
2893 }
2894
2895 /*
2896 * Note: we should see that these properties are actually having a
2897 * priority: accel < machine < user. This means e.g. when user
2898 * specifies something in "-global", it'll always be used with highest
2899 * priority than either machine/accelerator compat properties.
2900 */
2901 static void register_global_properties(MachineState *ms)
2902 {
2903 accel_register_compat_props(ms->accelerator);
2904 machine_register_compat_props(ms);
2905 user_register_global_props();
2906 }
2907
2908 int main(int argc, char **argv, char **envp)
2909 {
2910 int i;
2911 int snapshot, linux_boot;
2912 const char *initrd_filename;
2913 const char *kernel_filename, *kernel_cmdline;
2914 const char *boot_order = NULL;
2915 const char *boot_once = NULL;
2916 DisplayState *ds;
2917 QemuOpts *opts, *machine_opts;
2918 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2919 QemuOptsList *olist;
2920 int optind;
2921 const char *optarg;
2922 const char *loadvm = NULL;
2923 MachineClass *machine_class;
2924 const char *cpu_model;
2925 const char *vga_model = NULL;
2926 const char *qtest_chrdev = NULL;
2927 const char *qtest_log = NULL;
2928 const char *pid_file = NULL;
2929 const char *incoming = NULL;
2930 bool userconfig = true;
2931 bool nographic = false;
2932 int display_remote = 0;
2933 const char *log_mask = NULL;
2934 const char *log_file = NULL;
2935 char *trace_file = NULL;
2936 ram_addr_t maxram_size;
2937 uint64_t ram_slots = 0;
2938 FILE *vmstate_dump_file = NULL;
2939 Error *main_loop_err = NULL;
2940 Error *err = NULL;
2941 bool list_data_dirs = false;
2942 char *dir, **dirs;
2943 typedef struct BlockdevOptions_queue {
2944 BlockdevOptions *bdo;
2945 Location loc;
2946 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2947 } BlockdevOptions_queue;
2948 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2949 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2950
2951 module_call_init(MODULE_INIT_TRACE);
2952
2953 qemu_init_cpu_list();
2954 qemu_init_cpu_loop();
2955
2956 qemu_mutex_lock_iothread();
2957
2958 atexit(qemu_run_exit_notifiers);
2959 error_set_progname(argv[0]);
2960 qemu_init_exec_dir(argv[0]);
2961
2962 module_call_init(MODULE_INIT_QOM);
2963
2964 qemu_add_opts(&qemu_drive_opts);
2965 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2966 qemu_add_drive_opts(&qemu_common_drive_opts);
2967 qemu_add_drive_opts(&qemu_drive_opts);
2968 qemu_add_drive_opts(&bdrv_runtime_opts);
2969 qemu_add_opts(&qemu_chardev_opts);
2970 qemu_add_opts(&qemu_device_opts);
2971 qemu_add_opts(&qemu_netdev_opts);
2972 qemu_add_opts(&qemu_nic_opts);
2973 qemu_add_opts(&qemu_net_opts);
2974 qemu_add_opts(&qemu_rtc_opts);
2975 qemu_add_opts(&qemu_global_opts);
2976 qemu_add_opts(&qemu_mon_opts);
2977 qemu_add_opts(&qemu_trace_opts);
2978 qemu_add_opts(&qemu_option_rom_opts);
2979 qemu_add_opts(&qemu_machine_opts);
2980 qemu_add_opts(&qemu_accel_opts);
2981 qemu_add_opts(&qemu_mem_opts);
2982 qemu_add_opts(&qemu_smp_opts);
2983 qemu_add_opts(&qemu_boot_opts);
2984 qemu_add_opts(&qemu_add_fd_opts);
2985 qemu_add_opts(&qemu_object_opts);
2986 qemu_add_opts(&qemu_tpmdev_opts);
2987 qemu_add_opts(&qemu_realtime_opts);
2988 qemu_add_opts(&qemu_overcommit_opts);
2989 qemu_add_opts(&qemu_msg_opts);
2990 qemu_add_opts(&qemu_name_opts);
2991 qemu_add_opts(&qemu_numa_opts);
2992 qemu_add_opts(&qemu_icount_opts);
2993 qemu_add_opts(&qemu_semihosting_config_opts);
2994 qemu_add_opts(&qemu_fw_cfg_opts);
2995 module_call_init(MODULE_INIT_OPTS);
2996
2997 runstate_init();
2998 postcopy_infrastructure_init();
2999 monitor_init_globals();
3000
3001 if (qcrypto_init(&err) < 0) {
3002 error_reportf_err(err, "cannot initialize crypto: ");
3003 exit(1);
3004 }
3005 rtc_clock = QEMU_CLOCK_HOST;
3006
3007 QLIST_INIT (&vm_change_state_head);
3008 os_setup_early_signal_handling();
3009
3010 cpu_model = NULL;
3011 snapshot = 0;
3012
3013 nb_nics = 0;
3014
3015 bdrv_init_with_whitelist();
3016
3017 autostart = 1;
3018
3019 /* first pass of option parsing */
3020 optind = 1;
3021 while (optind < argc) {
3022 if (argv[optind][0] != '-') {
3023 /* disk image */
3024 optind++;
3025 } else {
3026 const QEMUOption *popt;
3027
3028 popt = lookup_opt(argc, argv, &optarg, &optind);
3029 switch (popt->index) {
3030 case QEMU_OPTION_nodefconfig:
3031 case QEMU_OPTION_nouserconfig:
3032 userconfig = false;
3033 break;
3034 }
3035 }
3036 }
3037
3038 if (userconfig) {
3039 if (qemu_read_default_config_file() < 0) {
3040 exit(1);
3041 }
3042 }
3043
3044 /* second pass of option parsing */
3045 optind = 1;
3046 for(;;) {
3047 if (optind >= argc)
3048 break;
3049 if (argv[optind][0] != '-') {
3050 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3051 } else {
3052 const QEMUOption *popt;
3053
3054 popt = lookup_opt(argc, argv, &optarg, &optind);
3055 if (!(popt->arch_mask & arch_type)) {
3056 error_report("Option not supported for this target");
3057 exit(1);
3058 }
3059 switch(popt->index) {
3060 case QEMU_OPTION_cpu:
3061 /* hw initialization will check this */
3062 cpu_model = optarg;
3063 break;
3064 case QEMU_OPTION_hda:
3065 case QEMU_OPTION_hdb:
3066 case QEMU_OPTION_hdc:
3067 case QEMU_OPTION_hdd:
3068 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3069 HD_OPTS);
3070 break;
3071 case QEMU_OPTION_blockdev:
3072 {
3073 Visitor *v;
3074 BlockdevOptions_queue *bdo;
3075
3076 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3077 if (!v) {
3078 error_report_err(err);
3079 exit(1);
3080 }
3081
3082 bdo = g_new(BlockdevOptions_queue, 1);
3083 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3084 &error_fatal);
3085 visit_free(v);
3086 loc_save(&bdo->loc);
3087 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3088 break;
3089 }
3090 case QEMU_OPTION_drive:
3091 if (drive_def(optarg) == NULL) {
3092 exit(1);
3093 }
3094 break;
3095 case QEMU_OPTION_set:
3096 if (qemu_set_option(optarg) != 0)
3097 exit(1);
3098 break;
3099 case QEMU_OPTION_global:
3100 if (qemu_global_option(optarg) != 0)
3101 exit(1);
3102 break;
3103 case QEMU_OPTION_mtdblock:
3104 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3105 break;
3106 case QEMU_OPTION_sd:
3107 drive_add(IF_SD, -1, optarg, SD_OPTS);
3108 break;
3109 case QEMU_OPTION_pflash:
3110 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3111 break;
3112 case QEMU_OPTION_snapshot:
3113 snapshot = 1;
3114 break;
3115 case QEMU_OPTION_numa:
3116 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3117 optarg, true);
3118 if (!opts) {
3119 exit(1);
3120 }
3121 break;
3122 case QEMU_OPTION_display:
3123 parse_display(optarg);
3124 break;
3125 case QEMU_OPTION_nographic:
3126 olist = qemu_find_opts("machine");
3127 qemu_opts_parse_noisily(olist, "graphics=off", false);
3128 nographic = true;
3129 dpy.type = DISPLAY_TYPE_NONE;
3130 break;
3131 case QEMU_OPTION_curses:
3132 #ifdef CONFIG_CURSES
3133 dpy.type = DISPLAY_TYPE_CURSES;
3134 #else
3135 error_report("curses support is disabled");
3136 exit(1);
3137 #endif
3138 break;
3139 case QEMU_OPTION_portrait:
3140 graphic_rotate = 90;
3141 break;
3142 case QEMU_OPTION_rotate:
3143 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3144 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3145 graphic_rotate != 180 && graphic_rotate != 270) {
3146 error_report("only 90, 180, 270 deg rotation is available");
3147 exit(1);
3148 }
3149 break;
3150 case QEMU_OPTION_kernel:
3151 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3152 &error_abort);
3153 break;
3154 case QEMU_OPTION_initrd:
3155 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3156 &error_abort);
3157 break;
3158 case QEMU_OPTION_append:
3159 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3160 &error_abort);
3161 break;
3162 case QEMU_OPTION_dtb:
3163 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3164 &error_abort);
3165 break;
3166 case QEMU_OPTION_cdrom:
3167 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3168 break;
3169 case QEMU_OPTION_boot:
3170 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3171 optarg, true);
3172 if (!opts) {
3173 exit(1);
3174 }
3175 break;
3176 case QEMU_OPTION_fda:
3177 case QEMU_OPTION_fdb:
3178 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3179 optarg, FD_OPTS);
3180 break;
3181 case QEMU_OPTION_no_fd_bootchk:
3182 fd_bootchk = 0;
3183 break;
3184 case QEMU_OPTION_netdev:
3185 default_net = 0;
3186 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3187 exit(1);
3188 }
3189 break;
3190 case QEMU_OPTION_nic:
3191 default_net = 0;
3192 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3193 exit(1);
3194 }
3195 break;
3196 case QEMU_OPTION_net:
3197 default_net = 0;
3198 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3199 exit(1);
3200 }
3201 break;
3202 #ifdef CONFIG_LIBISCSI
3203 case QEMU_OPTION_iscsi:
3204 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3205 optarg, false);
3206 if (!opts) {
3207 exit(1);
3208 }
3209 break;
3210 #endif
3211 #ifdef CONFIG_SLIRP
3212 case QEMU_OPTION_tftp:
3213 error_report("The -tftp option is deprecated. "
3214 "Please use '-netdev user,tftp=...' instead.");
3215 legacy_tftp_prefix = optarg;
3216 break;
3217 case QEMU_OPTION_bootp:
3218 error_report("The -bootp option is deprecated. "
3219 "Please use '-netdev user,bootfile=...' instead.");
3220 legacy_bootp_filename = optarg;
3221 break;
3222 case QEMU_OPTION_redir:
3223 error_report("The -redir option is deprecated. "
3224 "Please use '-netdev user,hostfwd=...' instead.");
3225 if (net_slirp_redir(optarg) < 0)
3226 exit(1);
3227 break;
3228 #endif
3229 case QEMU_OPTION_bt:
3230 add_device_config(DEV_BT, optarg);
3231 break;
3232 case QEMU_OPTION_audio_help:
3233 AUD_help ();
3234 exit (0);
3235 break;
3236 case QEMU_OPTION_soundhw:
3237 select_soundhw (optarg);
3238 break;
3239 case QEMU_OPTION_h:
3240 help(0);
3241 break;
3242 case QEMU_OPTION_version:
3243 version();
3244 exit(0);
3245 break;
3246 case QEMU_OPTION_m:
3247 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3248 optarg, true);
3249 if (!opts) {
3250 exit(EXIT_FAILURE);
3251 }
3252 break;
3253 #ifdef CONFIG_TPM
3254 case QEMU_OPTION_tpmdev:
3255 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3256 exit(1);
3257 }
3258 break;
3259 #endif
3260 case QEMU_OPTION_mempath:
3261 mem_path = optarg;
3262 break;
3263 case QEMU_OPTION_mem_prealloc:
3264 mem_prealloc = 1;
3265 break;
3266 case QEMU_OPTION_d:
3267 log_mask = optarg;
3268 break;
3269 case QEMU_OPTION_D:
3270 log_file = optarg;
3271 break;
3272 case QEMU_OPTION_DFILTER:
3273 qemu_set_dfilter_ranges(optarg, &error_fatal);
3274 break;
3275 case QEMU_OPTION_s:
3276 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3277 break;
3278 case QEMU_OPTION_gdb:
3279 add_device_config(DEV_GDB, optarg);
3280 break;
3281 case QEMU_OPTION_L:
3282 if (is_help_option(optarg)) {
3283 list_data_dirs = true;
3284 } else {
3285 qemu_add_data_dir(optarg);
3286 }
3287 break;
3288 case QEMU_OPTION_bios:
3289 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3290 &error_abort);
3291 break;
3292 case QEMU_OPTION_singlestep:
3293 singlestep = 1;
3294 break;
3295 case QEMU_OPTION_S:
3296 autostart = 0;
3297 break;
3298 case QEMU_OPTION_k:
3299 keyboard_layout = optarg;
3300 break;
3301 case QEMU_OPTION_localtime:
3302 rtc_utc = 0;
3303 warn_report("This option is deprecated, "
3304 "use '-rtc base=localtime' instead.");
3305 break;
3306 case QEMU_OPTION_vga:
3307 vga_model = optarg;
3308 default_vga = 0;
3309 break;
3310 case QEMU_OPTION_g:
3311 {
3312 const char *p;
3313 int w, h, depth;
3314 p = optarg;
3315 w = strtol(p, (char **)&p, 10);
3316 if (w <= 0) {
3317 graphic_error:
3318 error_report("invalid resolution or depth");
3319 exit(1);
3320 }
3321 if (*p != 'x')
3322 goto graphic_error;
3323 p++;
3324 h = strtol(p, (char **)&p, 10);
3325 if (h <= 0)
3326 goto graphic_error;
3327 if (*p == 'x') {
3328 p++;
3329 depth = strtol(p, (char **)&p, 10);
3330 if (depth != 8 && depth != 15 && depth != 16 &&
3331 depth != 24 && depth != 32)
3332 goto graphic_error;
3333 } else if (*p == '\0') {
3334 depth = graphic_depth;
3335 } else {
3336 goto graphic_error;
3337 }
3338
3339 graphic_width = w;
3340 graphic_height = h;
3341 graphic_depth = depth;
3342 }
3343 break;
3344 case QEMU_OPTION_echr:
3345 {
3346 char *r;
3347 term_escape_char = strtol(optarg, &r, 0);
3348 if (r == optarg)
3349 printf("Bad argument to echr\n");
3350 break;
3351 }
3352 case QEMU_OPTION_monitor:
3353 default_monitor = 0;
3354 if (strncmp(optarg, "none", 4)) {
3355 monitor_parse(optarg, "readline", false);
3356 }
3357 break;
3358 case QEMU_OPTION_qmp:
3359 monitor_parse(optarg, "control", false);
3360 default_monitor = 0;
3361 break;
3362 case QEMU_OPTION_qmp_pretty:
3363 monitor_parse(optarg, "control", true);
3364 default_monitor = 0;
3365 break;
3366 case QEMU_OPTION_mon:
3367 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3368 true);
3369 if (!opts) {
3370 exit(1);
3371 }
3372 default_monitor = 0;
3373 break;
3374 case QEMU_OPTION_chardev:
3375 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3376 optarg, true);
3377 if (!opts) {
3378 exit(1);
3379 }
3380 break;
3381 case QEMU_OPTION_fsdev:
3382 olist = qemu_find_opts("fsdev");
3383 if (!olist) {
3384 error_report("fsdev support is disabled");
3385 exit(1);
3386 }
3387 opts = qemu_opts_parse_noisily(olist, optarg, true);
3388 if (!opts) {
3389 exit(1);
3390 }
3391 break;
3392 case QEMU_OPTION_virtfs: {
3393 QemuOpts *fsdev;
3394 QemuOpts *device;
3395 const char *writeout, *sock_fd, *socket, *path, *security_model;
3396
3397 olist = qemu_find_opts("virtfs");
3398 if (!olist) {
3399 error_report("virtfs support is disabled");
3400 exit(1);
3401 }
3402 opts = qemu_opts_parse_noisily(olist, optarg, true);
3403 if (!opts) {
3404 exit(1);
3405 }
3406
3407 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3408 qemu_opt_get(opts, "mount_tag") == NULL) {
3409 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3410 exit(1);
3411 }
3412 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3413 qemu_opts_id(opts) ?:
3414 qemu_opt_get(opts, "mount_tag"),
3415 1, NULL);
3416 if (!fsdev) {
3417 error_report("duplicate or invalid fsdev id: %s",
3418 qemu_opt_get(opts, "mount_tag"));
3419 exit(1);
3420 }
3421
3422 writeout = qemu_opt_get(opts, "writeout");
3423 if (writeout) {
3424 #ifdef CONFIG_SYNC_FILE_RANGE
3425 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3426 #else
3427 error_report("writeout=immediate not supported "
3428 "on this platform");
3429 exit(1);
3430 #endif
3431 }
3432 qemu_opt_set(fsdev, "fsdriver",
3433 qemu_opt_get(opts, "fsdriver"), &error_abort);
3434 path = qemu_opt_get(opts, "path");
3435 if (path) {
3436 qemu_opt_set(fsdev, "path", path, &error_abort);
3437 }
3438 security_model = qemu_opt_get(opts, "security_model");
3439 if (security_model) {
3440 qemu_opt_set(fsdev, "security_model", security_model,
3441 &error_abort);
3442 }
3443 socket = qemu_opt_get(opts, "socket");
3444 if (socket) {
3445 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3446 }
3447 sock_fd = qemu_opt_get(opts, "sock_fd");
3448 if (sock_fd) {
3449 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3450 }
3451
3452 qemu_opt_set_bool(fsdev, "readonly",
3453 qemu_opt_get_bool(opts, "readonly", 0),
3454 &error_abort);
3455 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3456 &error_abort);
3457 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3458 qemu_opt_set(device, "fsdev",
3459 qemu_opts_id(fsdev), &error_abort);
3460 qemu_opt_set(device, "mount_tag",
3461 qemu_opt_get(opts, "mount_tag"), &error_abort);
3462 break;
3463 }
3464 case QEMU_OPTION_virtfs_synth: {
3465 QemuOpts *fsdev;
3466 QemuOpts *device;
3467
3468 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3469 1, NULL);
3470 if (!fsdev) {
3471 error_report("duplicate option: %s", "virtfs_synth");
3472 exit(1);
3473 }
3474 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3475
3476 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3477 &error_abort);
3478 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3479 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3480 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3481 break;
3482 }
3483 case QEMU_OPTION_serial:
3484 add_device_config(DEV_SERIAL, optarg);
3485 default_serial = 0;
3486 if (strncmp(optarg, "mon:", 4) == 0) {
3487 default_monitor = 0;
3488 }
3489 break;
3490 case QEMU_OPTION_watchdog:
3491 if (watchdog) {
3492 error_report("only one watchdog option may be given");
3493 return 1;
3494 }
3495 watchdog = optarg;
3496 break;
3497 case QEMU_OPTION_watchdog_action:
3498 if (select_watchdog_action(optarg) == -1) {
3499 error_report("unknown -watchdog-action parameter");
3500 exit(1);
3501 }
3502 break;
3503 case QEMU_OPTION_virtiocon:
3504 warn_report("This option is deprecated, "
3505 "use '-device virtconsole' instead");
3506 add_device_config(DEV_VIRTCON, optarg);
3507 default_virtcon = 0;
3508 if (strncmp(optarg, "mon:", 4) == 0) {
3509 default_monitor = 0;
3510 }
3511 break;
3512 case QEMU_OPTION_parallel:
3513 add_device_config(DEV_PARALLEL, optarg);
3514 default_parallel = 0;
3515 if (strncmp(optarg, "mon:", 4) == 0) {
3516 default_monitor = 0;
3517 }
3518 break;
3519 case QEMU_OPTION_debugcon:
3520 add_device_config(DEV_DEBUGCON, optarg);
3521 break;
3522 case QEMU_OPTION_loadvm:
3523 loadvm = optarg;
3524 break;
3525 case QEMU_OPTION_full_screen:
3526 dpy.has_full_screen = true;
3527 dpy.full_screen = true;
3528 break;
3529 case QEMU_OPTION_no_frame:
3530 g_printerr("The -no-frame switch is deprecated, and will be\n"
3531 "removed in a future release.\n");
3532 no_frame = 1;
3533 break;
3534 case QEMU_OPTION_alt_grab:
3535 alt_grab = 1;
3536 break;
3537 case QEMU_OPTION_ctrl_grab:
3538 ctrl_grab = 1;
3539 break;
3540 case QEMU_OPTION_no_quit:
3541 dpy.has_window_close = true;
3542 dpy.window_close = false;
3543 break;
3544 case QEMU_OPTION_sdl:
3545 #ifdef CONFIG_SDL
3546 dpy.type = DISPLAY_TYPE_SDL;
3547 break;
3548 #else
3549 error_report("SDL support is disabled");
3550 exit(1);
3551 #endif
3552 case QEMU_OPTION_pidfile:
3553 pid_file = optarg;
3554 break;
3555 case QEMU_OPTION_win2k_hack:
3556 win2k_install_hack = 1;
3557 break;
3558 case QEMU_OPTION_rtc_td_hack: {
3559 static GlobalProperty slew_lost_ticks = {
3560 .driver = "mc146818rtc",
3561 .property = "lost_tick_policy",
3562 .value = "slew",
3563 };
3564
3565 qdev_prop_register_global(&slew_lost_ticks);
3566 warn_report("This option is deprecated, "
3567 "use '-rtc driftfix=slew' instead.");
3568 break;
3569 }
3570 case QEMU_OPTION_acpitable:
3571 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3572 optarg, true);
3573 if (!opts) {
3574 exit(1);
3575 }
3576 acpi_table_add(opts, &error_fatal);
3577 break;
3578 case QEMU_OPTION_smbios:
3579 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3580 optarg, false);
3581 if (!opts) {
3582 exit(1);
3583 }
3584 smbios_entry_add(opts, &error_fatal);
3585 break;
3586 case QEMU_OPTION_fwcfg:
3587 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3588 optarg, true);
3589 if (opts == NULL) {
3590 exit(1);
3591 }
3592 break;
3593 case QEMU_OPTION_preconfig:
3594 preconfig_exit_requested = false;
3595 break;
3596 case QEMU_OPTION_enable_kvm:
3597 olist = qemu_find_opts("machine");
3598 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3599 break;
3600 case QEMU_OPTION_enable_hax:
3601 warn_report("Option is deprecated, use '-accel hax' instead");
3602 olist = qemu_find_opts("machine");
3603 qemu_opts_parse_noisily(olist, "accel=hax", false);
3604 break;
3605 case QEMU_OPTION_M:
3606 case QEMU_OPTION_machine:
3607 olist = qemu_find_opts("machine");
3608 opts = qemu_opts_parse_noisily(olist, optarg, true);
3609 if (!opts) {
3610 exit(1);
3611 }
3612 break;
3613 case QEMU_OPTION_no_kvm:
3614 olist = qemu_find_opts("machine");
3615 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3616 break;
3617 case QEMU_OPTION_accel:
3618 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3619 optarg, true);
3620 optarg = qemu_opt_get(accel_opts, "accel");
3621 if (!optarg || is_help_option(optarg)) {
3622 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3623 exit(0);
3624 }
3625 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3626 false, &error_abort);
3627 qemu_opt_set(opts, "accel", optarg, &error_abort);
3628 break;
3629 case QEMU_OPTION_usb:
3630 olist = qemu_find_opts("machine");
3631 qemu_opts_parse_noisily(olist, "usb=on", false);
3632 break;
3633 case QEMU_OPTION_usbdevice:
3634 error_report("'-usbdevice' is deprecated, please use "
3635 "'-device usb-...' instead");
3636 olist = qemu_find_opts("machine");
3637 qemu_opts_parse_noisily(olist, "usb=on", false);
3638 add_device_config(DEV_USB, optarg);
3639 break;
3640 case QEMU_OPTION_device:
3641 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3642 optarg, true)) {
3643 exit(1);
3644 }
3645 break;
3646 case QEMU_OPTION_smp:
3647 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3648 optarg, true)) {
3649 exit(1);
3650 }
3651 break;
3652 case QEMU_OPTION_vnc:
3653 vnc_parse(optarg, &error_fatal);
3654 break;
3655 case QEMU_OPTION_no_acpi:
3656 acpi_enabled = 0;
3657 break;
3658 case QEMU_OPTION_no_hpet:
3659 no_hpet = 1;
3660 break;
3661 case QEMU_OPTION_balloon:
3662 if (balloon_parse(optarg) < 0) {
3663 error_report("unknown -balloon argument %s", optarg);
3664 exit(1);
3665 }
3666 break;
3667 case QEMU_OPTION_no_reboot:
3668 no_reboot = 1;
3669 break;
3670 case QEMU_OPTION_no_shutdown:
3671 no_shutdown = 1;
3672 break;
3673 case QEMU_OPTION_show_cursor:
3674 cursor_hide = 0;
3675 break;
3676 case QEMU_OPTION_uuid:
3677 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3678 error_report("failed to parse UUID string: wrong format");
3679 exit(1);
3680 }
3681 qemu_uuid_set = true;
3682 break;
3683 case QEMU_OPTION_option_rom:
3684 if (nb_option_roms >= MAX_OPTION_ROMS) {
3685 error_report("too many option ROMs");
3686 exit(1);
3687 }
3688 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3689 optarg, true);
3690 if (!opts) {
3691 exit(1);
3692 }
3693 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3694 option_rom[nb_option_roms].bootindex =
3695 qemu_opt_get_number(opts, "bootindex", -1);
3696 if (!option_rom[nb_option_roms].name) {
3697 error_report("Option ROM file is not specified");
3698 exit(1);
3699 }
3700 nb_option_roms++;
3701 break;
3702 case QEMU_OPTION_semihosting:
3703 semihosting.enabled = true;
3704 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3705 break;
3706 case QEMU_OPTION_semihosting_config:
3707 semihosting.enabled = true;
3708 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3709 optarg, false);
3710 if (opts != NULL) {
3711 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3712 true);
3713 const char *target = qemu_opt_get(opts, "target");
3714 if (target != NULL) {
3715 if (strcmp("native", target) == 0) {
3716 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3717 } else if (strcmp("gdb", target) == 0) {
3718 semihosting.target = SEMIHOSTING_TARGET_GDB;
3719 } else if (strcmp("auto", target) == 0) {
3720 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3721 } else {
3722 error_report("unsupported semihosting-config %s",
3723 optarg);
3724 exit(1);
3725 }
3726 } else {
3727 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3728 }
3729 /* Set semihosting argument count and vector */
3730 qemu_opt_foreach(opts, add_semihosting_arg,
3731 &semihosting, NULL);
3732 } else {
3733 error_report("unsupported semihosting-config %s", optarg);
3734 exit(1);
3735 }
3736 break;
3737 case QEMU_OPTION_name:
3738 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3739 optarg, true);
3740 if (!opts) {
3741 exit(1);
3742 }
3743 break;
3744 case QEMU_OPTION_prom_env:
3745 if (nb_prom_envs >= MAX_PROM_ENVS) {
3746 error_report("too many prom variables");
3747 exit(1);
3748 }
3749 prom_envs[nb_prom_envs] = optarg;
3750 nb_prom_envs++;
3751 break;
3752 case QEMU_OPTION_old_param:
3753 old_param = 1;
3754 break;
3755 case QEMU_OPTION_clock:
3756 /* Clock options no longer exist. Keep this option for
3757 * backward compatibility.
3758 */
3759 warn_report("This option is ignored and will be removed soon");
3760 break;
3761 case QEMU_OPTION_startdate:
3762 warn_report("This option is deprecated, use '-rtc base=' instead.");
3763 configure_rtc_date_offset(optarg, 1);
3764 break;
3765 case QEMU_OPTION_rtc:
3766 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3767 false);
3768 if (!opts) {
3769 exit(1);
3770 }
3771 configure_rtc(opts);
3772 break;
3773 case QEMU_OPTION_tb_size:
3774 #ifndef CONFIG_TCG
3775 error_report("TCG is disabled");
3776 exit(1);
3777 #endif
3778 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3779 error_report("Invalid argument to -tb-size");
3780 exit(1);
3781 }
3782 break;
3783 case QEMU_OPTION_icount:
3784 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3785 optarg, true);
3786 if (!icount_opts) {
3787 exit(1);
3788 }
3789 break;
3790 case QEMU_OPTION_incoming:
3791 if (!incoming) {
3792 runstate_set(RUN_STATE_INMIGRATE);
3793 }
3794 incoming = optarg;
3795 break;
3796 case QEMU_OPTION_only_migratable:
3797 /*
3798 * TODO: we can remove this option one day, and we
3799 * should all use:
3800 *
3801 * "-global migration.only-migratable=true"
3802 */
3803 qemu_global_option("migration.only-migratable=true");
3804 break;
3805 case QEMU_OPTION_nodefaults:
3806 has_defaults = 0;
3807 break;
3808 case QEMU_OPTION_xen_domid:
3809 if (!(xen_available())) {
3810 error_report("Option not supported for this target");
3811 exit(1);
3812 }
3813 xen_domid = atoi(optarg);
3814 break;
3815 case QEMU_OPTION_xen_create:
3816 if (!(xen_available())) {
3817 error_report("Option not supported for this target");
3818 exit(1);
3819 }
3820 xen_mode = XEN_CREATE;
3821 break;
3822 case QEMU_OPTION_xen_attach:
3823 if (!(xen_available())) {
3824 error_report("Option not supported for this target");
3825 exit(1);
3826 }
3827 xen_mode = XEN_ATTACH;
3828 break;
3829 case QEMU_OPTION_xen_domid_restrict:
3830 if (!(xen_available())) {
3831 error_report("Option not supported for this target");
3832 exit(1);
3833 }
3834 xen_domid_restrict = true;
3835 break;
3836 case QEMU_OPTION_trace:
3837 g_free(trace_file);
3838 trace_file = trace_opt_parse(optarg);
3839 break;
3840 case QEMU_OPTION_readconfig:
3841 {
3842 int ret = qemu_read_config_file(optarg);
3843 if (ret < 0) {
3844 error_report("read config %s: %s", optarg,
3845 strerror(-ret));
3846 exit(1);
3847 }
3848 break;
3849 }
3850 case QEMU_OPTION_spice:
3851 olist = qemu_find_opts("spice");
3852 if (!olist) {
3853 error_report("spice support is disabled");
3854 exit(1);
3855 }
3856 opts = qemu_opts_parse_noisily(olist, optarg, false);
3857 if (!opts) {
3858 exit(1);
3859 }
3860 display_remote++;
3861 break;
3862 case QEMU_OPTION_writeconfig:
3863 {
3864 FILE *fp;
3865 if (strcmp(optarg, "-") == 0) {
3866 fp = stdout;
3867 } else {
3868 fp = fopen(optarg, "w");
3869 if (fp == NULL) {
3870 error_report("open %s: %s", optarg,
3871 strerror(errno));
3872 exit(1);
3873 }
3874 }
3875 qemu_config_write(fp);
3876 if (fp != stdout) {
3877 fclose(fp);
3878 }
3879 break;
3880 }
3881 case QEMU_OPTION_qtest:
3882 qtest_chrdev = optarg;
3883 break;
3884 case QEMU_OPTION_qtest_log:
3885 qtest_log = optarg;
3886 break;
3887 case QEMU_OPTION_sandbox:
3888 #ifdef CONFIG_SECCOMP
3889 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3890 optarg, true);
3891 if (!opts) {
3892 exit(1);
3893 }
3894 #else
3895 error_report("-sandbox support is not enabled "
3896 "in this QEMU binary");
3897 exit(1);
3898 #endif
3899 break;
3900 case QEMU_OPTION_add_fd:
3901 #ifndef _WIN32
3902 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3903 optarg, false);
3904 if (!opts) {
3905 exit(1);
3906 }
3907 #else
3908 error_report("File descriptor passing is disabled on this "
3909 "platform");
3910 exit(1);
3911 #endif
3912 break;
3913 case QEMU_OPTION_object:
3914 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3915 optarg, true);
3916 if (!opts) {
3917 exit(1);
3918 }
3919 break;
3920 case QEMU_OPTION_realtime:
3921 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3922 optarg, false);
3923 if (!opts) {
3924 exit(1);
3925 }
3926 /* Don't override the -overcommit option if set */
3927 enable_mlock = enable_mlock ||
3928 qemu_opt_get_bool(opts, "mlock", true);
3929 break;
3930 case QEMU_OPTION_overcommit:
3931 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3932 optarg, false);
3933 if (!opts) {
3934 exit(1);
3935 }
3936 /* Don't override the -realtime option if set */
3937 enable_mlock = enable_mlock ||
3938 qemu_opt_get_bool(opts, "mem-lock", false);
3939 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3940 break;
3941 case QEMU_OPTION_msg:
3942 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3943 false);
3944 if (!opts) {
3945 exit(1);
3946 }
3947 configure_msg(opts);
3948 break;
3949 case QEMU_OPTION_dump_vmstate:
3950 if (vmstate_dump_file) {
3951 error_report("only one '-dump-vmstate' "
3952 "option may be given");
3953 exit(1);
3954 }
3955 vmstate_dump_file = fopen(optarg, "w");
3956 if (vmstate_dump_file == NULL) {
3957 error_report("open %s: %s", optarg, strerror(errno));
3958 exit(1);
3959 }
3960 break;
3961 case QEMU_OPTION_enable_sync_profile:
3962 qsp_enable();
3963 break;
3964 case QEMU_OPTION_nodefconfig:
3965 case QEMU_OPTION_nouserconfig:
3966 /* Nothing to be parsed here. Especially, do not error out below. */
3967 break;
3968 default:
3969 if (os_parse_cmd_args(popt->index, optarg)) {
3970 error_report("Option not supported in this build");
3971 exit(1);
3972 }
3973 }
3974 }
3975 }
3976 /*
3977 * Clear error location left behind by the loop.
3978 * Best done right after the loop. Do not insert code here!
3979 */
3980 loc_set_none();
3981
3982 replay_configure(icount_opts);
3983
3984 if (incoming && !preconfig_exit_requested) {
3985 error_report("'preconfig' and 'incoming' options are "
3986 "mutually exclusive");
3987 exit(EXIT_FAILURE);
3988 }
3989
3990 machine_class = select_machine();
3991
3992 set_memory_options(&ram_slots, &maxram_size, machine_class);
3993
3994 os_daemonize();
3995 rcu_disable_atfork();
3996
3997 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3998 error_report("could not acquire pid file: %s", strerror(errno));
3999 exit(1);
4000 }
4001
4002 if (qemu_init_main_loop(&main_loop_err)) {
4003 error_report_err(main_loop_err);
4004 exit(1);
4005 }
4006
4007 #ifdef CONFIG_SECCOMP
4008 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4009 parse_sandbox, NULL, NULL)) {
4010 exit(1);
4011 }
4012 #endif
4013
4014 if (qemu_opts_foreach(qemu_find_opts("name"),
4015 parse_name, NULL, NULL)) {
4016 exit(1);
4017 }
4018
4019 #ifndef _WIN32
4020 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4021 parse_add_fd, NULL, NULL)) {
4022 exit(1);
4023 }
4024
4025 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4026 cleanup_add_fd, NULL, NULL)) {
4027 exit(1);
4028 }
4029 #endif
4030
4031 current_machine = MACHINE(object_new(object_class_get_name(
4032 OBJECT_CLASS(machine_class))));
4033 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4034 exit(0);
4035 }
4036 object_property_add_child(object_get_root(), "machine",
4037 OBJECT(current_machine), &error_abort);
4038
4039 if (machine_class->minimum_page_bits) {
4040 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4041 /* This would be a board error: specifying a minimum smaller than
4042 * a target's compile-time fixed setting.
4043 */
4044 g_assert_not_reached();
4045 }
4046 }
4047
4048 cpu_exec_init_all();
4049
4050 if (machine_class->hw_version) {
4051 qemu_set_hw_version(machine_class->hw_version);
4052 }
4053
4054 if (cpu_model && is_help_option(cpu_model)) {
4055 list_cpus(stdout, &fprintf, cpu_model);
4056 exit(0);
4057 }
4058
4059 if (!trace_init_backends()) {
4060 exit(1);
4061 }
4062 trace_init_file(trace_file);
4063
4064 /* Open the logfile at this point and set the log mask if necessary.
4065 */
4066 if (log_file) {
4067 qemu_set_log_filename(log_file, &error_fatal);
4068 }
4069
4070 if (log_mask) {
4071 int mask;
4072 mask = qemu_str_to_log_mask(log_mask);
4073 if (!mask) {
4074 qemu_print_log_usage(stdout);
4075 exit(1);
4076 }
4077 qemu_set_log(mask);
4078 } else {
4079 qemu_set_log(0);
4080 }
4081
4082 /* add configured firmware directories */
4083 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4084 for (i = 0; dirs[i] != NULL; i++) {
4085 qemu_add_data_dir(dirs[i]);
4086 }
4087 g_strfreev(dirs);
4088
4089 /* try to find datadir relative to the executable path */
4090 dir = os_find_datadir();
4091 qemu_add_data_dir(dir);
4092 g_free(dir);
4093
4094 /* add the datadir specified when building */
4095 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4096
4097 /* -L help lists the data directories and exits. */
4098 if (list_data_dirs) {
4099 for (i = 0; i < data_dir_idx; i++) {
4100 printf("%s\n", data_dir[i]);
4101 }
4102 exit(0);
4103 }
4104
4105 /* machine_class: default to UP */
4106 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4107 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4108 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4109
4110 /* default to machine_class->default_cpus */
4111 smp_cpus = machine_class->default_cpus;
4112 max_cpus = machine_class->default_cpus;
4113
4114 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4115
4116 /* sanity-check smp_cpus and max_cpus against machine_class */
4117 if (smp_cpus < machine_class->min_cpus) {
4118 error_report("Invalid SMP CPUs %d. The min CPUs "
4119 "supported by machine '%s' is %d", smp_cpus,
4120 machine_class->name, machine_class->min_cpus);
4121 exit(1);
4122 }
4123 if (max_cpus > machine_class->max_cpus) {
4124 error_report("Invalid SMP CPUs %d. The max CPUs "
4125 "supported by machine '%s' is %d", max_cpus,
4126 machine_class->name, machine_class->max_cpus);
4127 exit(1);
4128 }
4129
4130 /*
4131 * Get the default machine options from the machine if it is not already
4132 * specified either by the configuration file or by the command line.
4133 */
4134 if (machine_class->default_machine_opts) {
4135 qemu_opts_set_defaults(qemu_find_opts("machine"),
4136 machine_class->default_machine_opts, 0);
4137 }
4138
4139 qemu_opts_foreach(qemu_find_opts("device"),
4140 default_driver_check, NULL, NULL);
4141 qemu_opts_foreach(qemu_find_opts("global"),
4142 default_driver_check, NULL, NULL);
4143
4144 if (!vga_model && !default_vga) {
4145 vga_interface_type = VGA_DEVICE;
4146 }
4147 if (!has_defaults || machine_class->no_serial) {
4148 default_serial = 0;
4149 }
4150 if (!has_defaults || machine_class->no_parallel) {
4151 default_parallel = 0;
4152 }
4153 if (!has_defaults || !machine_class->use_virtcon) {
4154 default_virtcon = 0;
4155 }
4156 if (!has_defaults || machine_class->no_floppy) {
4157 default_floppy = 0;
4158 }
4159 if (!has_defaults || machine_class->no_cdrom) {
4160 default_cdrom = 0;
4161 }
4162 if (!has_defaults || machine_class->no_sdcard) {
4163 default_sdcard = 0;
4164 }
4165 if (!has_defaults) {
4166 default_monitor = 0;
4167 default_net = 0;
4168 default_vga = 0;
4169 }
4170
4171 if (is_daemonized()) {
4172 if (!preconfig_exit_requested) {
4173 error_report("'preconfig' and 'daemonize' options are "
4174 "mutually exclusive");
4175 exit(EXIT_FAILURE);
4176 }
4177
4178 /* According to documentation and historically, -nographic redirects
4179 * serial port, parallel port and monitor to stdio, which does not work
4180 * with -daemonize. We can redirect these to null instead, but since
4181 * -nographic is legacy, let's just error out.
4182 * We disallow -nographic only if all other ports are not redirected
4183 * explicitly, to not break existing legacy setups which uses
4184 * -nographic _and_ redirects all ports explicitly - this is valid
4185 * usage, -nographic is just a no-op in this case.
4186 */
4187 if (nographic
4188 && (default_parallel || default_serial
4189 || default_monitor || default_virtcon)) {
4190 error_report("-nographic cannot be used with -daemonize");
4191 exit(1);
4192 }
4193 #ifdef CONFIG_CURSES
4194 if (dpy.type == DISPLAY_TYPE_CURSES) {
4195 error_report("curses display cannot be used with -daemonize");
4196 exit(1);
4197 }
4198 #endif
4199 }
4200
4201 if (nographic) {
4202 if (default_parallel)
4203 add_device_config(DEV_PARALLEL, "null");
4204 if (default_serial && default_monitor) {
4205 add_device_config(DEV_SERIAL, "mon:stdio");
4206 } else if (default_virtcon && default_monitor) {
4207 add_device_config(DEV_VIRTCON, "mon:stdio");
4208 } else {
4209 if (default_serial)
4210 add_device_config(DEV_SERIAL, "stdio");
4211 if (default_virtcon)
4212 add_device_config(DEV_VIRTCON, "stdio");
4213 if (default_monitor)
4214 monitor_parse("stdio", "readline", false);
4215 }
4216 } else {
4217 if (default_serial)
4218 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4219 if (default_parallel)
4220 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4221 if (default_monitor)
4222 monitor_parse("vc:80Cx24C", "readline", false);
4223 if (default_virtcon)
4224 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4225 }
4226
4227 #if defined(CONFIG_VNC)
4228 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4229 display_remote++;
4230 }
4231 #endif
4232 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4233 if (!qemu_display_find_default(&dpy)) {
4234 dpy.type = DISPLAY_TYPE_NONE;
4235 #if defined(CONFIG_VNC)
4236 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4237 #endif
4238 }
4239 }
4240 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4241 dpy.type = DISPLAY_TYPE_NONE;
4242 }
4243
4244 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4245 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4246 "for SDL, ignoring option");
4247 }
4248 if (dpy.has_window_close &&
4249 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4250 error_report("-no-quit is only valid for GTK and SDL, "
4251 "ignoring option");
4252 }
4253
4254 qemu_display_early_init(&dpy);
4255 qemu_console_early_init();
4256
4257 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4258 #if defined(CONFIG_OPENGL)
4259 error_report("OpenGL is not supported by the display");
4260 #else
4261 error_report("OpenGL support is disabled");
4262 #endif
4263 exit(1);
4264 }
4265
4266 page_size_init();
4267 socket_init();
4268
4269 if (qemu_opts_foreach(qemu_find_opts("object"),
4270 user_creatable_add_opts_foreach,
4271 object_create_initial, NULL)) {
4272 exit(1);
4273 }
4274
4275 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4276 chardev_init_func, NULL, NULL)) {
4277 exit(1);
4278 }
4279
4280 #ifdef CONFIG_VIRTFS
4281 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4282 fsdev_init_func, NULL, NULL)) {
4283 exit(1);
4284 }
4285 #endif
4286
4287 if (qemu_opts_foreach(qemu_find_opts("device"),
4288 device_help_func, NULL, NULL)) {
4289 exit(0);
4290 }
4291
4292 machine_opts = qemu_get_machine_opts();
4293 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4294 NULL)) {
4295 object_unref(OBJECT(current_machine));
4296 exit(1);
4297 }
4298
4299 configure_accelerator(current_machine);
4300
4301 if (!qtest_enabled() && machine_class->deprecation_reason) {
4302 error_report("Machine type '%s' is deprecated: %s",
4303 machine_class->name, machine_class->deprecation_reason);
4304 }
4305
4306 /*
4307 * Register all the global properties, including accel properties,
4308 * machine properties, and user-specified ones.
4309 */
4310 register_global_properties(current_machine);
4311
4312 /*
4313 * Migration object can only be created after global properties
4314 * are applied correctly.
4315 */
4316 migration_object_init();
4317
4318 if (qtest_chrdev) {
4319 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4320 }
4321
4322 machine_opts = qemu_get_machine_opts();
4323 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4324 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4325 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4326 bios_name = qemu_opt_get(machine_opts, "firmware");
4327
4328 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4329 if (opts) {
4330 boot_order = qemu_opt_get(opts, "order");
4331 if (boot_order) {
4332 validate_bootdevices(boot_order, &error_fatal);
4333 }
4334
4335 boot_once = qemu_opt_get(opts, "once");
4336 if (boot_once) {
4337 validate_bootdevices(boot_once, &error_fatal);
4338 }
4339
4340 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4341 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4342 }
4343
4344 if (!boot_order) {
4345 boot_order = machine_class->default_boot_order;
4346 }
4347
4348 if (!kernel_cmdline) {
4349 kernel_cmdline = "";
4350 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4351 }
4352
4353 linux_boot = (kernel_filename != NULL);
4354
4355 if (!linux_boot && *kernel_cmdline != '\0') {
4356 error_report("-append only allowed with -kernel option");
4357 exit(1);
4358 }
4359
4360 if (!linux_boot && initrd_filename != NULL) {
4361 error_report("-initrd only allowed with -kernel option");
4362 exit(1);
4363 }
4364
4365 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4366 /* fall back to the -kernel/-append */
4367 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4368 }
4369
4370 os_set_line_buffering();
4371
4372 /* spice needs the timers to be initialized by this point */
4373 qemu_spice_init();
4374
4375 cpu_ticks_init();
4376 if (icount_opts) {
4377 if (!tcg_enabled()) {
4378 error_report("-icount is not allowed with hardware virtualization");
4379 exit(1);
4380 }
4381 configure_icount(icount_opts, &error_abort);
4382 qemu_opts_del(icount_opts);
4383 }
4384
4385 if (tcg_enabled()) {
4386 qemu_tcg_configure(accel_opts, &error_fatal);
4387 }
4388
4389 if (default_net) {
4390 QemuOptsList *net = qemu_find_opts("net");
4391 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4392 #ifdef CONFIG_SLIRP
4393 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4394 #endif
4395 }
4396
4397 colo_info_init();
4398
4399 if (net_init_clients(&err) < 0) {
4400 error_report_err(err);
4401 exit(1);
4402 }
4403
4404 if (qemu_opts_foreach(qemu_find_opts("object"),
4405 user_creatable_add_opts_foreach,
4406 object_create_delayed, NULL)) {
4407 exit(1);
4408 }
4409
4410 if (tpm_init() < 0) {
4411 exit(1);
4412 }
4413
4414 /* init the bluetooth world */
4415 if (foreach_device_config(DEV_BT, bt_parse))
4416 exit(1);
4417
4418 if (!xen_enabled()) {
4419 /* On 32-bit hosts, QEMU is limited by virtual address space */
4420 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4421 error_report("at most 2047 MB RAM can be simulated");
4422 exit(1);
4423 }
4424 }
4425
4426 blk_mig_init();
4427 ram_mig_init();
4428 dirty_bitmap_mig_init();
4429
4430 /* If the currently selected machine wishes to override the units-per-bus
4431 * property of its default HBA interface type, do so now. */
4432 if (machine_class->units_per_default_bus) {
4433 override_max_devs(machine_class->block_default_type,
4434 machine_class->units_per_default_bus);
4435 }
4436
4437 /* open the virtual block devices */
4438 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4439 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4440
4441 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4442 loc_push_restore(&bdo->loc);
4443 qmp_blockdev_add(bdo->bdo, &error_fatal);
4444 loc_pop(&bdo->loc);
4445 qapi_free_BlockdevOptions(bdo->bdo);
4446 g_free(bdo);
4447 }
4448 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4449 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4450 NULL, NULL);
4451 }
4452 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4453 &machine_class->block_default_type, NULL)) {
4454 exit(1);
4455 }
4456
4457 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4458 CDROM_OPTS);
4459 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4460 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4461
4462 if (qemu_opts_foreach(qemu_find_opts("mon"),
4463 mon_init_func, NULL, NULL)) {
4464 exit(1);
4465 }
4466
4467 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4468 exit(1);
4469 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4470 exit(1);
4471 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4472 exit(1);
4473 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4474 exit(1);
4475
4476 /* If no default VGA is requested, the default is "none". */
4477 if (default_vga) {
4478 if (machine_class->default_display) {
4479 vga_model = machine_class->default_display;
4480 } else if (vga_interface_available(VGA_CIRRUS)) {
4481 vga_model = "cirrus";
4482 } else if (vga_interface_available(VGA_STD)) {
4483 vga_model = "std";
4484 }
4485 }
4486 if (vga_model) {
4487 select_vgahw(vga_model);
4488 }
4489
4490 if (watchdog) {
4491 i = select_watchdog(watchdog);
4492 if (i > 0)
4493 exit (i == 1 ? 1 : 0);
4494 }
4495
4496 /* This checkpoint is required by replay to separate prior clock
4497 reading from the other reads, because timer polling functions query
4498 clock values from the log. */
4499 replay_checkpoint(CHECKPOINT_INIT);
4500 qdev_machine_init();
4501
4502 current_machine->ram_size = ram_size;
4503 current_machine->maxram_size = maxram_size;
4504 current_machine->ram_slots = ram_slots;
4505 current_machine->boot_order = boot_order;
4506
4507 /* parse features once if machine provides default cpu_type */
4508 current_machine->cpu_type = machine_class->default_cpu_type;
4509 if (cpu_model) {
4510 current_machine->cpu_type = parse_cpu_model(cpu_model);
4511 }
4512 parse_numa_opts(current_machine);
4513
4514 /* do monitor/qmp handling at preconfig state if requested */
4515 main_loop();
4516
4517 /* from here on runstate is RUN_STATE_PRELAUNCH */
4518 machine_run_board_init(current_machine);
4519
4520 realtime_init();
4521
4522 soundhw_init();
4523
4524 if (hax_enabled()) {
4525 hax_sync_vcpus();
4526 }
4527
4528 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4529 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4530 exit(1);
4531 }
4532
4533 /* init USB devices */
4534 if (machine_usb(current_machine)) {
4535 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4536 exit(1);
4537 }
4538
4539 /* Check if IGD GFX passthrough. */
4540 igd_gfx_passthru();
4541
4542 /* init generic devices */
4543 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4544 if (qemu_opts_foreach(qemu_find_opts("device"),
4545 device_init_func, NULL, NULL)) {
4546 exit(1);
4547 }
4548
4549 cpu_synchronize_all_post_init();
4550
4551 rom_reset_order_override();
4552
4553 /* Did we create any drives that we failed to create a device for? */
4554 drive_check_orphaned();
4555
4556 /* Don't warn about the default network setup that you get if
4557 * no command line -net or -netdev options are specified. There
4558 * are two cases that we would otherwise complain about:
4559 * (1) board doesn't support a NIC but the implicit "-net nic"
4560 * requested one
4561 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4562 * sets up a nic that isn't connected to anything.
4563 */
4564 if (!default_net && (!qtest_enabled() || has_defaults)) {
4565 net_check_clients();
4566 }
4567
4568 if (boot_once) {
4569 qemu_boot_set(boot_once, &error_fatal);
4570 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4571 }
4572
4573 /* init local displays */
4574 ds = init_displaystate();
4575 qemu_display_init(ds, &dpy);
4576
4577 /* must be after terminal init, SDL library changes signal handlers */
4578 os_setup_signal_handling();
4579
4580 /* init remote displays */
4581 #ifdef CONFIG_VNC
4582 qemu_opts_foreach(qemu_find_opts("vnc"),
4583 vnc_init_func, NULL, NULL);
4584 #endif
4585
4586 if (using_spice) {
4587 qemu_spice_display_init();
4588 }
4589
4590 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4591 exit(1);
4592 }
4593
4594 qdev_machine_creation_done();
4595
4596 /* TODO: once all bus devices are qdevified, this should be done
4597 * when bus is created by qdev.c */
4598 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4599 qemu_run_machine_init_done_notifiers();
4600
4601 if (rom_check_and_register_reset() != 0) {
4602 error_report("rom check and register reset failed");
4603 exit(1);
4604 }
4605
4606 replay_start();
4607
4608 /* This checkpoint is required by replay to separate prior clock
4609 reading from the other reads, because timer polling functions query
4610 clock values from the log. */
4611 replay_checkpoint(CHECKPOINT_RESET);
4612 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4613 register_global_state();
4614 if (replay_mode != REPLAY_MODE_NONE) {
4615 replay_vmstate_init();
4616 } else if (loadvm) {
4617 Error *local_err = NULL;
4618 if (load_snapshot(loadvm, &local_err) < 0) {
4619 error_report_err(local_err);
4620 autostart = 0;
4621 }
4622 }
4623
4624 qdev_prop_check_globals();
4625 if (vmstate_dump_file) {
4626 /* dump and exit */
4627 dump_vmstate_json_to_file(vmstate_dump_file);
4628 return 0;
4629 }
4630
4631 if (incoming) {
4632 Error *local_err = NULL;
4633 qemu_start_incoming_migration(incoming, &local_err);
4634 if (local_err) {
4635 error_reportf_err(local_err, "-incoming %s: ", incoming);
4636 exit(1);
4637 }
4638 } else if (autostart) {
4639 vm_start();
4640 }
4641
4642 accel_setup_post(current_machine);
4643 os_setup_post();
4644
4645 main_loop();
4646
4647 gdbserver_cleanup();
4648
4649 /* No more vcpu or device emulation activity beyond this point */
4650 vm_shutdown();
4651
4652 job_cancel_sync_all();
4653 bdrv_close_all();
4654
4655 res_free();
4656
4657 /* vhost-user must be cleaned up before chardevs. */
4658 tpm_cleanup();
4659 net_cleanup();
4660 audio_cleanup();
4661 monitor_cleanup();
4662 qemu_chr_cleanup();
4663 user_creatable_cleanup();
4664 migration_object_finalize();
4665 /* TODO: unref root container, check all devices are ok */
4666
4667 return 0;
4668 }
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