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cpus: fix TCG kick timer leak
[qemu.git] / vl.c
blob0388852deb9e5be381fde6964fa499122c1ddb6f
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)
827 {
828 time_t rtc_start_date;
829 struct tm tm;
830
831 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
832 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
833 /* OK */
834 } else if (sscanf(startdate, "%d-%d-%d",
835 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
836 tm.tm_hour = 0;
837 tm.tm_min = 0;
838 tm.tm_sec = 0;
839 } else {
840 goto date_fail;
841 }
842 tm.tm_year -= 1900;
843 tm.tm_mon--;
844 rtc_start_date = mktimegm(&tm);
845 if (rtc_start_date == -1) {
846 date_fail:
847 error_report("invalid date format");
848 error_printf("valid formats: "
849 "'2006-06-17T16:01:21' or '2006-06-17'\n");
850 exit(1);
851 }
852 rtc_date_offset = qemu_time() - rtc_start_date;
853 }
854
855 static void configure_rtc(QemuOpts *opts)
856 {
857 const char *value;
858
859 value = qemu_opt_get(opts, "base");
860 if (value) {
861 if (!strcmp(value, "utc")) {
862 rtc_utc = 1;
863 } else if (!strcmp(value, "localtime")) {
864 Error *blocker = NULL;
865 rtc_utc = 0;
866 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
867 "-rtc base=localtime");
868 replay_add_blocker(blocker);
869 } else {
870 configure_rtc_date_offset(value);
871 }
872 }
873 value = qemu_opt_get(opts, "clock");
874 if (value) {
875 if (!strcmp(value, "host")) {
876 rtc_clock = QEMU_CLOCK_HOST;
877 } else if (!strcmp(value, "rt")) {
878 rtc_clock = QEMU_CLOCK_REALTIME;
879 } else if (!strcmp(value, "vm")) {
880 rtc_clock = QEMU_CLOCK_VIRTUAL;
881 } else {
882 error_report("invalid option value '%s'", value);
883 exit(1);
884 }
885 }
886 value = qemu_opt_get(opts, "driftfix");
887 if (value) {
888 if (!strcmp(value, "slew")) {
889 static GlobalProperty slew_lost_ticks = {
890 .driver = "mc146818rtc",
891 .property = "lost_tick_policy",
892 .value = "slew",
893 };
894
895 qdev_prop_register_global(&slew_lost_ticks);
896 } else if (!strcmp(value, "none")) {
897 /* discard is default */
898 } else {
899 error_report("invalid option value '%s'", value);
900 exit(1);
901 }
902 }
903 }
904
905 /***********************************************************/
906 /* Bluetooth support */
907 static int nb_hcis;
908 static int cur_hci;
909 static struct HCIInfo *hci_table[MAX_NICS];
910
911 struct HCIInfo *qemu_next_hci(void)
912 {
913 if (cur_hci == nb_hcis)
914 return &null_hci;
915
916 return hci_table[cur_hci++];
917 }
918
919 static int bt_hci_parse(const char *str)
920 {
921 struct HCIInfo *hci;
922 bdaddr_t bdaddr;
923
924 if (nb_hcis >= MAX_NICS) {
925 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
926 return -1;
927 }
928
929 hci = hci_init(str);
930 if (!hci)
931 return -1;
932
933 bdaddr.b[0] = 0x52;
934 bdaddr.b[1] = 0x54;
935 bdaddr.b[2] = 0x00;
936 bdaddr.b[3] = 0x12;
937 bdaddr.b[4] = 0x34;
938 bdaddr.b[5] = 0x56 + nb_hcis;
939 hci->bdaddr_set(hci, bdaddr.b);
940
941 hci_table[nb_hcis++] = hci;
942
943 return 0;
944 }
945
946 static void bt_vhci_add(int vlan_id)
947 {
948 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
949
950 if (!vlan->slave)
951 warn_report("adding a VHCI to an empty scatternet %i",
952 vlan_id);
953
954 bt_vhci_init(bt_new_hci(vlan));
955 }
956
957 static struct bt_device_s *bt_device_add(const char *opt)
958 {
959 struct bt_scatternet_s *vlan;
960 int vlan_id = 0;
961 char *endp = strstr(opt, ",vlan=");
962 int len = (endp ? endp - opt : strlen(opt)) + 1;
963 char devname[10];
964
965 pstrcpy(devname, MIN(sizeof(devname), len), opt);
966
967 if (endp) {
968 vlan_id = strtol(endp + 6, &endp, 0);
969 if (*endp) {
970 error_report("unrecognised bluetooth vlan Id");
971 return 0;
972 }
973 }
974
975 vlan = qemu_find_bt_vlan(vlan_id);
976
977 if (!vlan->slave)
978 warn_report("adding a slave device to an empty scatternet %i",
979 vlan_id);
980
981 if (!strcmp(devname, "keyboard"))
982 return bt_keyboard_init(vlan);
983
984 error_report("unsupported bluetooth device '%s'", devname);
985 return 0;
986 }
987
988 static int bt_parse(const char *opt)
989 {
990 const char *endp, *p;
991 int vlan;
992
993 if (strstart(opt, "hci", &endp)) {
994 if (!*endp || *endp == ',') {
995 if (*endp)
996 if (!strstart(endp, ",vlan=", 0))
997 opt = endp + 1;
998
999 return bt_hci_parse(opt);
1000 }
1001 } else if (strstart(opt, "vhci", &endp)) {
1002 if (!*endp || *endp == ',') {
1003 if (*endp) {
1004 if (strstart(endp, ",vlan=", &p)) {
1005 vlan = strtol(p, (char **) &endp, 0);
1006 if (*endp) {
1007 error_report("bad scatternet '%s'", p);
1008 return 1;
1009 }
1010 } else {
1011 error_report("bad parameter '%s'", endp + 1);
1012 return 1;
1013 }
1014 } else
1015 vlan = 0;
1016
1017 bt_vhci_add(vlan);
1018 return 0;
1019 }
1020 } else if (strstart(opt, "device:", &endp))
1021 return !bt_device_add(endp);
1022
1023 error_report("bad bluetooth parameter '%s'", opt);
1024 return 1;
1025 }
1026
1027 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1028 {
1029 const char *proc_name;
1030
1031 if (qemu_opt_get(opts, "debug-threads")) {
1032 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1033 }
1034 qemu_name = qemu_opt_get(opts, "guest");
1035
1036 proc_name = qemu_opt_get(opts, "process");
1037 if (proc_name) {
1038 os_set_proc_name(proc_name);
1039 }
1040
1041 return 0;
1042 }
1043
1044 bool defaults_enabled(void)
1045 {
1046 return has_defaults;
1047 }
1048
1049 #ifndef _WIN32
1050 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1051 {
1052 int fd, dupfd, flags;
1053 int64_t fdset_id;
1054 const char *fd_opaque = NULL;
1055 AddfdInfo *fdinfo;
1056
1057 fd = qemu_opt_get_number(opts, "fd", -1);
1058 fdset_id = qemu_opt_get_number(opts, "set", -1);
1059 fd_opaque = qemu_opt_get(opts, "opaque");
1060
1061 if (fd < 0) {
1062 error_report("fd option is required and must be non-negative");
1063 return -1;
1064 }
1065
1066 if (fd <= STDERR_FILENO) {
1067 error_report("fd cannot be a standard I/O stream");
1068 return -1;
1069 }
1070
1071 /*
1072 * All fds inherited across exec() necessarily have FD_CLOEXEC
1073 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1074 */
1075 flags = fcntl(fd, F_GETFD);
1076 if (flags == -1 || (flags & FD_CLOEXEC)) {
1077 error_report("fd is not valid or already in use");
1078 return -1;
1079 }
1080
1081 if (fdset_id < 0) {
1082 error_report("set option is required and must be non-negative");
1083 return -1;
1084 }
1085
1086 #ifdef F_DUPFD_CLOEXEC
1087 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1088 #else
1089 dupfd = dup(fd);
1090 if (dupfd != -1) {
1091 qemu_set_cloexec(dupfd);
1092 }
1093 #endif
1094 if (dupfd == -1) {
1095 error_report("error duplicating fd: %s", strerror(errno));
1096 return -1;
1097 }
1098
1099 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1100 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1101 &error_abort);
1102 g_free(fdinfo);
1103
1104 return 0;
1105 }
1106
1107 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1108 {
1109 int fd;
1110
1111 fd = qemu_opt_get_number(opts, "fd", -1);
1112 close(fd);
1113
1114 return 0;
1115 }
1116 #endif
1117
1118 /***********************************************************/
1119 /* QEMU Block devices */
1120
1121 #define HD_OPTS "media=disk"
1122 #define CDROM_OPTS "media=cdrom"
1123 #define FD_OPTS ""
1124 #define PFLASH_OPTS ""
1125 #define MTD_OPTS ""
1126 #define SD_OPTS ""
1127
1128 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1129 {
1130 BlockInterfaceType *block_default_type = opaque;
1131
1132 return drive_new(opts, *block_default_type) == NULL;
1133 }
1134
1135 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1136 {
1137 if (qemu_opt_get(opts, "snapshot") == NULL) {
1138 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1139 }
1140 return 0;
1141 }
1142
1143 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1144 int index, const char *optstr)
1145 {
1146 QemuOpts *opts;
1147 DriveInfo *dinfo;
1148
1149 if (!enable || drive_get_by_index(type, index)) {
1150 return;
1151 }
1152
1153 opts = drive_add(type, index, NULL, optstr);
1154 if (snapshot) {
1155 drive_enable_snapshot(NULL, opts, NULL);
1156 }
1157
1158 dinfo = drive_new(opts, type);
1159 if (!dinfo) {
1160 exit(1);
1161 }
1162 dinfo->is_default = true;
1163
1164 }
1165
1166 static QemuOptsList qemu_smp_opts = {
1167 .name = "smp-opts",
1168 .implied_opt_name = "cpus",
1169 .merge_lists = true,
1170 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1171 .desc = {
1172 {
1173 .name = "cpus",
1174 .type = QEMU_OPT_NUMBER,
1175 }, {
1176 .name = "sockets",
1177 .type = QEMU_OPT_NUMBER,
1178 }, {
1179 .name = "cores",
1180 .type = QEMU_OPT_NUMBER,
1181 }, {
1182 .name = "threads",
1183 .type = QEMU_OPT_NUMBER,
1184 }, {
1185 .name = "maxcpus",
1186 .type = QEMU_OPT_NUMBER,
1187 },
1188 { /*End of list */ }
1189 },
1190 };
1191
1192 static void smp_parse(QemuOpts *opts)
1193 {
1194 if (opts) {
1195 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1196 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1197 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1198 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1199
1200 /* compute missing values, prefer sockets over cores over threads */
1201 if (cpus == 0 || sockets == 0) {
1202 sockets = sockets > 0 ? sockets : 1;
1203 cores = cores > 0 ? cores : 1;
1204 threads = threads > 0 ? threads : 1;
1205 if (cpus == 0) {
1206 cpus = cores * threads * sockets;
1207 }
1208 } else if (cores == 0) {
1209 threads = threads > 0 ? threads : 1;
1210 cores = cpus / (sockets * threads);
1211 cores = cores > 0 ? cores : 1;
1212 } else if (threads == 0) {
1213 threads = cpus / (cores * sockets);
1214 threads = threads > 0 ? threads : 1;
1215 } else if (sockets * cores * threads < cpus) {
1216 error_report("cpu topology: "
1217 "sockets (%u) * cores (%u) * threads (%u) < "
1218 "smp_cpus (%u)",
1219 sockets, cores, threads, cpus);
1220 exit(1);
1221 }
1222
1223 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1224
1225 if (max_cpus < cpus) {
1226 error_report("maxcpus must be equal to or greater than smp");
1227 exit(1);
1228 }
1229
1230 if (sockets * cores * threads > max_cpus) {
1231 error_report("cpu topology: "
1232 "sockets (%u) * cores (%u) * threads (%u) > "
1233 "maxcpus (%u)",
1234 sockets, cores, threads, max_cpus);
1235 exit(1);
1236 }
1237
1238 smp_cpus = cpus;
1239 smp_cores = cores;
1240 smp_threads = threads;
1241 }
1242
1243 if (smp_cpus > 1) {
1244 Error *blocker = NULL;
1245 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1246 replay_add_blocker(blocker);
1247 }
1248 }
1249
1250 static void realtime_init(void)
1251 {
1252 if (enable_mlock) {
1253 if (os_mlock() < 0) {
1254 error_report("locking memory failed");
1255 exit(1);
1256 }
1257 }
1258 }
1259
1260
1261 static void configure_msg(QemuOpts *opts)
1262 {
1263 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1264 }
1265
1266 /***********************************************************/
1267 /* Semihosting */
1268
1269 typedef struct SemihostingConfig {
1270 bool enabled;
1271 SemihostingTarget target;
1272 const char **argv;
1273 int argc;
1274 const char *cmdline; /* concatenated argv */
1275 } SemihostingConfig;
1276
1277 static SemihostingConfig semihosting;
1278
1279 bool semihosting_enabled(void)
1280 {
1281 return semihosting.enabled;
1282 }
1283
1284 SemihostingTarget semihosting_get_target(void)
1285 {
1286 return semihosting.target;
1287 }
1288
1289 const char *semihosting_get_arg(int i)
1290 {
1291 if (i >= semihosting.argc) {
1292 return NULL;
1293 }
1294 return semihosting.argv[i];
1295 }
1296
1297 int semihosting_get_argc(void)
1298 {
1299 return semihosting.argc;
1300 }
1301
1302 const char *semihosting_get_cmdline(void)
1303 {
1304 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1305 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1306 }
1307 return semihosting.cmdline;
1308 }
1309
1310 static int add_semihosting_arg(void *opaque,
1311 const char *name, const char *val,
1312 Error **errp)
1313 {
1314 SemihostingConfig *s = opaque;
1315 if (strcmp(name, "arg") == 0) {
1316 s->argc++;
1317 /* one extra element as g_strjoinv() expects NULL-terminated array */
1318 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1319 s->argv[s->argc - 1] = val;
1320 s->argv[s->argc] = NULL;
1321 }
1322 return 0;
1323 }
1324
1325 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1326 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1327 {
1328 char *cmd_token;
1329
1330 /* argv[0] */
1331 add_semihosting_arg(&semihosting, "arg", file, NULL);
1332
1333 /* split -append and initialize argv[1..n] */
1334 cmd_token = strtok(g_strdup(cmd), " ");
1335 while (cmd_token) {
1336 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1337 cmd_token = strtok(NULL, " ");
1338 }
1339 }
1340
1341 /* Now we still need this for compatibility with XEN. */
1342 bool has_igd_gfx_passthru;
1343 static void igd_gfx_passthru(void)
1344 {
1345 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1346 }
1347
1348 /***********************************************************/
1349 /* USB devices */
1350
1351 static int usb_device_add(const char *devname)
1352 {
1353 USBDevice *dev = NULL;
1354
1355 if (!machine_usb(current_machine)) {
1356 return -1;
1357 }
1358
1359 dev = usbdevice_create(devname);
1360 if (!dev)
1361 return -1;
1362
1363 return 0;
1364 }
1365
1366 static int usb_parse(const char *cmdline)
1367 {
1368 int r;
1369 r = usb_device_add(cmdline);
1370 if (r < 0) {
1371 error_report("could not add USB device '%s'", cmdline);
1372 }
1373 return r;
1374 }
1375
1376 /***********************************************************/
1377 /* machine registration */
1378
1379 MachineState *current_machine;
1380
1381 static MachineClass *find_machine(const char *name)
1382 {
1383 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1384 MachineClass *mc = NULL;
1385
1386 for (el = machines; el; el = el->next) {
1387 MachineClass *temp = el->data;
1388
1389 if (!strcmp(temp->name, name)) {
1390 mc = temp;
1391 break;
1392 }
1393 if (temp->alias &&
1394 !strcmp(temp->alias, name)) {
1395 mc = temp;
1396 break;
1397 }
1398 }
1399
1400 g_slist_free(machines);
1401 return mc;
1402 }
1403
1404 MachineClass *find_default_machine(void)
1405 {
1406 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1407 MachineClass *mc = NULL;
1408
1409 for (el = machines; el; el = el->next) {
1410 MachineClass *temp = el->data;
1411
1412 if (temp->is_default) {
1413 mc = temp;
1414 break;
1415 }
1416 }
1417
1418 g_slist_free(machines);
1419 return mc;
1420 }
1421
1422 MachineInfoList *qmp_query_machines(Error **errp)
1423 {
1424 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1425 MachineInfoList *mach_list = NULL;
1426
1427 for (el = machines; el; el = el->next) {
1428 MachineClass *mc = el->data;
1429 MachineInfoList *entry;
1430 MachineInfo *info;
1431
1432 info = g_malloc0(sizeof(*info));
1433 if (mc->is_default) {
1434 info->has_is_default = true;
1435 info->is_default = true;
1436 }
1437
1438 if (mc->alias) {
1439 info->has_alias = true;
1440 info->alias = g_strdup(mc->alias);
1441 }
1442
1443 info->name = g_strdup(mc->name);
1444 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1445 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1446
1447 entry = g_malloc0(sizeof(*entry));
1448 entry->value = info;
1449 entry->next = mach_list;
1450 mach_list = entry;
1451 }
1452
1453 g_slist_free(machines);
1454 return mach_list;
1455 }
1456
1457 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1458 {
1459 ObjectProperty *prop;
1460 ObjectPropertyIterator iter;
1461
1462 if (!qemu_opt_has_help_opt(opts)) {
1463 return 0;
1464 }
1465
1466 object_property_iter_init(&iter, OBJECT(machine));
1467 while ((prop = object_property_iter_next(&iter))) {
1468 if (!prop->set) {
1469 continue;
1470 }
1471
1472 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1473 prop->name, prop->type);
1474 if (prop->description) {
1475 error_printf(" (%s)\n", prop->description);
1476 } else {
1477 error_printf("\n");
1478 }
1479 }
1480
1481 return 1;
1482 }
1483
1484 /***********************************************************/
1485 /* main execution loop */
1486
1487 struct vm_change_state_entry {
1488 VMChangeStateHandler *cb;
1489 void *opaque;
1490 QLIST_ENTRY (vm_change_state_entry) entries;
1491 };
1492
1493 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1494
1495 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1496 void *opaque)
1497 {
1498 VMChangeStateEntry *e;
1499
1500 e = g_malloc0(sizeof (*e));
1501
1502 e->cb = cb;
1503 e->opaque = opaque;
1504 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1505 return e;
1506 }
1507
1508 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1509 {
1510 QLIST_REMOVE (e, entries);
1511 g_free (e);
1512 }
1513
1514 void vm_state_notify(int running, RunState state)
1515 {
1516 VMChangeStateEntry *e, *next;
1517
1518 trace_vm_state_notify(running, state);
1519
1520 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1521 e->cb(e->opaque, running, state);
1522 }
1523 }
1524
1525 static ShutdownCause reset_requested;
1526 static ShutdownCause shutdown_requested;
1527 static int shutdown_signal;
1528 static pid_t shutdown_pid;
1529 static int powerdown_requested;
1530 static int debug_requested;
1531 static int suspend_requested;
1532 static bool preconfig_exit_requested = true;
1533 static WakeupReason wakeup_reason;
1534 static NotifierList powerdown_notifiers =
1535 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1536 static NotifierList suspend_notifiers =
1537 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1538 static NotifierList wakeup_notifiers =
1539 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1540 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1541
1542 ShutdownCause qemu_shutdown_requested_get(void)
1543 {
1544 return shutdown_requested;
1545 }
1546
1547 ShutdownCause qemu_reset_requested_get(void)
1548 {
1549 return reset_requested;
1550 }
1551
1552 static int qemu_shutdown_requested(void)
1553 {
1554 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1555 }
1556
1557 static void qemu_kill_report(void)
1558 {
1559 if (!qtest_driver() && shutdown_signal) {
1560 if (shutdown_pid == 0) {
1561 /* This happens for eg ^C at the terminal, so it's worth
1562 * avoiding printing an odd message in that case.
1563 */
1564 error_report("terminating on signal %d", shutdown_signal);
1565 } else {
1566 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1567
1568 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1569 shutdown_signal, shutdown_pid,
1570 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1571 g_free(shutdown_cmd);
1572 }
1573 shutdown_signal = 0;
1574 }
1575 }
1576
1577 static ShutdownCause qemu_reset_requested(void)
1578 {
1579 ShutdownCause r = reset_requested;
1580
1581 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1582 reset_requested = SHUTDOWN_CAUSE_NONE;
1583 return r;
1584 }
1585 return SHUTDOWN_CAUSE_NONE;
1586 }
1587
1588 static int qemu_suspend_requested(void)
1589 {
1590 int r = suspend_requested;
1591 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1592 suspend_requested = 0;
1593 return r;
1594 }
1595 return false;
1596 }
1597
1598 static WakeupReason qemu_wakeup_requested(void)
1599 {
1600 return wakeup_reason;
1601 }
1602
1603 static int qemu_powerdown_requested(void)
1604 {
1605 int r = powerdown_requested;
1606 powerdown_requested = 0;
1607 return r;
1608 }
1609
1610 static int qemu_debug_requested(void)
1611 {
1612 int r = debug_requested;
1613 debug_requested = 0;
1614 return r;
1615 }
1616
1617 void qemu_exit_preconfig_request(void)
1618 {
1619 preconfig_exit_requested = true;
1620 }
1621
1622 /*
1623 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1624 */
1625 void qemu_system_reset(ShutdownCause reason)
1626 {
1627 MachineClass *mc;
1628
1629 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1630
1631 cpu_synchronize_all_states();
1632
1633 if (mc && mc->reset) {
1634 mc->reset();
1635 } else {
1636 qemu_devices_reset();
1637 }
1638 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1639 qapi_event_send_reset(shutdown_caused_by_guest(reason));
1640 }
1641 cpu_synchronize_all_post_reset();
1642 }
1643
1644 void qemu_system_guest_panicked(GuestPanicInformation *info)
1645 {
1646 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1647
1648 if (current_cpu) {
1649 current_cpu->crash_occurred = true;
1650 }
1651 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1652 !!info, info);
1653 vm_stop(RUN_STATE_GUEST_PANICKED);
1654 if (!no_shutdown) {
1655 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1656 !!info, info);
1657 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1658 }
1659
1660 if (info) {
1661 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1662 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1663 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1664 info->u.hyper_v.arg1,
1665 info->u.hyper_v.arg2,
1666 info->u.hyper_v.arg3,
1667 info->u.hyper_v.arg4,
1668 info->u.hyper_v.arg5);
1669 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1670 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1671 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1672 info->u.s390.core,
1673 S390CrashReason_str(info->u.s390.reason),
1674 info->u.s390.psw_mask,
1675 info->u.s390.psw_addr);
1676 }
1677 qapi_free_GuestPanicInformation(info);
1678 }
1679 }
1680
1681 void qemu_system_reset_request(ShutdownCause reason)
1682 {
1683 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1684 shutdown_requested = reason;
1685 } else {
1686 reset_requested = reason;
1687 }
1688 cpu_stop_current();
1689 qemu_notify_event();
1690 }
1691
1692 static void qemu_system_suspend(void)
1693 {
1694 pause_all_vcpus();
1695 notifier_list_notify(&suspend_notifiers, NULL);
1696 runstate_set(RUN_STATE_SUSPENDED);
1697 qapi_event_send_suspend();
1698 }
1699
1700 void qemu_system_suspend_request(void)
1701 {
1702 if (runstate_check(RUN_STATE_SUSPENDED)) {
1703 return;
1704 }
1705 suspend_requested = 1;
1706 cpu_stop_current();
1707 qemu_notify_event();
1708 }
1709
1710 void qemu_register_suspend_notifier(Notifier *notifier)
1711 {
1712 notifier_list_add(&suspend_notifiers, notifier);
1713 }
1714
1715 void qemu_system_wakeup_request(WakeupReason reason)
1716 {
1717 trace_system_wakeup_request(reason);
1718
1719 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1720 return;
1721 }
1722 if (!(wakeup_reason_mask & (1 << reason))) {
1723 return;
1724 }
1725 runstate_set(RUN_STATE_RUNNING);
1726 wakeup_reason = reason;
1727 qemu_notify_event();
1728 }
1729
1730 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1731 {
1732 if (enabled) {
1733 wakeup_reason_mask |= (1 << reason);
1734 } else {
1735 wakeup_reason_mask &= ~(1 << reason);
1736 }
1737 }
1738
1739 void qemu_register_wakeup_notifier(Notifier *notifier)
1740 {
1741 notifier_list_add(&wakeup_notifiers, notifier);
1742 }
1743
1744 void qemu_system_killed(int signal, pid_t pid)
1745 {
1746 shutdown_signal = signal;
1747 shutdown_pid = pid;
1748 no_shutdown = 0;
1749
1750 /* Cannot call qemu_system_shutdown_request directly because
1751 * we are in a signal handler.
1752 */
1753 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1754 qemu_notify_event();
1755 }
1756
1757 void qemu_system_shutdown_request(ShutdownCause reason)
1758 {
1759 trace_qemu_system_shutdown_request(reason);
1760 replay_shutdown_request(reason);
1761 shutdown_requested = reason;
1762 qemu_notify_event();
1763 }
1764
1765 static void qemu_system_powerdown(void)
1766 {
1767 qapi_event_send_powerdown();
1768 notifier_list_notify(&powerdown_notifiers, NULL);
1769 }
1770
1771 void qemu_system_powerdown_request(void)
1772 {
1773 trace_qemu_system_powerdown_request();
1774 powerdown_requested = 1;
1775 qemu_notify_event();
1776 }
1777
1778 void qemu_register_powerdown_notifier(Notifier *notifier)
1779 {
1780 notifier_list_add(&powerdown_notifiers, notifier);
1781 }
1782
1783 void qemu_system_debug_request(void)
1784 {
1785 debug_requested = 1;
1786 qemu_notify_event();
1787 }
1788
1789 static bool main_loop_should_exit(void)
1790 {
1791 RunState r;
1792 ShutdownCause request;
1793
1794 if (preconfig_exit_requested) {
1795 if (runstate_check(RUN_STATE_PRECONFIG)) {
1796 runstate_set(RUN_STATE_PRELAUNCH);
1797 }
1798 preconfig_exit_requested = false;
1799 return true;
1800 }
1801 if (qemu_debug_requested()) {
1802 vm_stop(RUN_STATE_DEBUG);
1803 }
1804 if (qemu_suspend_requested()) {
1805 qemu_system_suspend();
1806 }
1807 request = qemu_shutdown_requested();
1808 if (request) {
1809 qemu_kill_report();
1810 qapi_event_send_shutdown(shutdown_caused_by_guest(request));
1811 if (no_shutdown) {
1812 vm_stop(RUN_STATE_SHUTDOWN);
1813 } else {
1814 return true;
1815 }
1816 }
1817 request = qemu_reset_requested();
1818 if (request) {
1819 pause_all_vcpus();
1820 qemu_system_reset(request);
1821 resume_all_vcpus();
1822 if (!runstate_check(RUN_STATE_RUNNING) &&
1823 !runstate_check(RUN_STATE_INMIGRATE)) {
1824 runstate_set(RUN_STATE_PRELAUNCH);
1825 }
1826 }
1827 if (qemu_wakeup_requested()) {
1828 pause_all_vcpus();
1829 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1830 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1831 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1832 resume_all_vcpus();
1833 qapi_event_send_wakeup();
1834 }
1835 if (qemu_powerdown_requested()) {
1836 qemu_system_powerdown();
1837 }
1838 if (qemu_vmstop_requested(&r)) {
1839 vm_stop(r);
1840 }
1841 return false;
1842 }
1843
1844 static void main_loop(void)
1845 {
1846 #ifdef CONFIG_PROFILER
1847 int64_t ti;
1848 #endif
1849 while (!main_loop_should_exit()) {
1850 #ifdef CONFIG_PROFILER
1851 ti = profile_getclock();
1852 #endif
1853 main_loop_wait(false);
1854 #ifdef CONFIG_PROFILER
1855 dev_time += profile_getclock() - ti;
1856 #endif
1857 }
1858 }
1859
1860 static void version(void)
1861 {
1862 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1863 QEMU_COPYRIGHT "\n");
1864 }
1865
1866 static void help(int exitcode)
1867 {
1868 version();
1869 printf("usage: %s [options] [disk_image]\n\n"
1870 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1871 error_get_progname());
1872
1873 #define QEMU_OPTIONS_GENERATE_HELP
1874 #include "qemu-options-wrapper.h"
1875
1876 printf("\nDuring emulation, the following keys are useful:\n"
1877 "ctrl-alt-f toggle full screen\n"
1878 "ctrl-alt-n switch to virtual console 'n'\n"
1879 "ctrl-alt toggle mouse and keyboard grab\n"
1880 "\n"
1881 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1882 "\n"
1883 QEMU_HELP_BOTTOM "\n");
1884
1885 exit(exitcode);
1886 }
1887
1888 #define HAS_ARG 0x0001
1889
1890 typedef struct QEMUOption {
1891 const char *name;
1892 int flags;
1893 int index;
1894 uint32_t arch_mask;
1895 } QEMUOption;
1896
1897 static const QEMUOption qemu_options[] = {
1898 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1899 #define QEMU_OPTIONS_GENERATE_OPTIONS
1900 #include "qemu-options-wrapper.h"
1901 { NULL },
1902 };
1903
1904 typedef struct VGAInterfaceInfo {
1905 const char *opt_name; /* option name */
1906 const char *name; /* human-readable name */
1907 /* Class names indicating that support is available.
1908 * If no class is specified, the interface is always available */
1909 const char *class_names[2];
1910 } VGAInterfaceInfo;
1911
1912 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1913 [VGA_NONE] = {
1914 .opt_name = "none",
1915 },
1916 [VGA_STD] = {
1917 .opt_name = "std",
1918 .name = "standard VGA",
1919 .class_names = { "VGA", "isa-vga" },
1920 },
1921 [VGA_CIRRUS] = {
1922 .opt_name = "cirrus",
1923 .name = "Cirrus VGA",
1924 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1925 },
1926 [VGA_VMWARE] = {
1927 .opt_name = "vmware",
1928 .name = "VMWare SVGA",
1929 .class_names = { "vmware-svga" },
1930 },
1931 [VGA_VIRTIO] = {
1932 .opt_name = "virtio",
1933 .name = "Virtio VGA",
1934 .class_names = { "virtio-vga" },
1935 },
1936 [VGA_QXL] = {
1937 .opt_name = "qxl",
1938 .name = "QXL VGA",
1939 .class_names = { "qxl-vga" },
1940 },
1941 [VGA_TCX] = {
1942 .opt_name = "tcx",
1943 .name = "TCX framebuffer",
1944 .class_names = { "SUNW,tcx" },
1945 },
1946 [VGA_CG3] = {
1947 .opt_name = "cg3",
1948 .name = "CG3 framebuffer",
1949 .class_names = { "cgthree" },
1950 },
1951 [VGA_XENFB] = {
1952 .opt_name = "xenfb",
1953 },
1954 };
1955
1956 static bool vga_interface_available(VGAInterfaceType t)
1957 {
1958 VGAInterfaceInfo *ti = &vga_interfaces[t];
1959
1960 assert(t < VGA_TYPE_MAX);
1961 return !ti->class_names[0] ||
1962 object_class_by_name(ti->class_names[0]) ||
1963 object_class_by_name(ti->class_names[1]);
1964 }
1965
1966 static void select_vgahw(const char *p)
1967 {
1968 const char *opts;
1969 int t;
1970
1971 assert(vga_interface_type == VGA_NONE);
1972 for (t = 0; t < VGA_TYPE_MAX; t++) {
1973 VGAInterfaceInfo *ti = &vga_interfaces[t];
1974 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1975 if (!vga_interface_available(t)) {
1976 error_report("%s not available", ti->name);
1977 exit(1);
1978 }
1979 vga_interface_type = t;
1980 break;
1981 }
1982 }
1983 if (t == VGA_TYPE_MAX) {
1984 invalid_vga:
1985 error_report("unknown vga type: %s", p);
1986 exit(1);
1987 }
1988 while (*opts) {
1989 const char *nextopt;
1990
1991 if (strstart(opts, ",retrace=", &nextopt)) {
1992 opts = nextopt;
1993 if (strstart(opts, "dumb", &nextopt))
1994 vga_retrace_method = VGA_RETRACE_DUMB;
1995 else if (strstart(opts, "precise", &nextopt))
1996 vga_retrace_method = VGA_RETRACE_PRECISE;
1997 else goto invalid_vga;
1998 } else goto invalid_vga;
1999 opts = nextopt;
2000 }
2001 }
2002
2003 static void parse_display_qapi(const char *optarg)
2004 {
2005 Error *err = NULL;
2006 DisplayOptions *opts;
2007 Visitor *v;
2008
2009 v = qobject_input_visitor_new_str(optarg, "type", &err);
2010 if (!v) {
2011 error_report_err(err);
2012 exit(1);
2013 }
2014
2015 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2016 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2017
2018 qapi_free_DisplayOptions(opts);
2019 visit_free(v);
2020 }
2021
2022 static void parse_display(const char *p)
2023 {
2024 const char *opts;
2025
2026 if (strstart(p, "sdl", &opts)) {
2027 /*
2028 * sdl DisplayType needs hand-crafted parser instead of
2029 * parse_display_qapi() due to some options not in
2030 * DisplayOptions, specifically:
2031 * - frame
2032 * Already deprecated.
2033 * - ctrl_grab + alt_grab
2034 * Not clear yet what happens to them long-term. Should
2035 * replaced by something better or deprecated and dropped.
2036 */
2037 dpy.type = DISPLAY_TYPE_SDL;
2038 while (*opts) {
2039 const char *nextopt;
2040
2041 if (strstart(opts, ",frame=", &nextopt)) {
2042 g_printerr("The frame= sdl option is deprecated, and will be\n"
2043 "removed in a future release.\n");
2044 opts = nextopt;
2045 if (strstart(opts, "on", &nextopt)) {
2046 no_frame = 0;
2047 } else if (strstart(opts, "off", &nextopt)) {
2048 no_frame = 1;
2049 } else {
2050 goto invalid_sdl_args;
2051 }
2052 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2053 opts = nextopt;
2054 if (strstart(opts, "on", &nextopt)) {
2055 alt_grab = 1;
2056 } else if (strstart(opts, "off", &nextopt)) {
2057 alt_grab = 0;
2058 } else {
2059 goto invalid_sdl_args;
2060 }
2061 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2062 opts = nextopt;
2063 if (strstart(opts, "on", &nextopt)) {
2064 ctrl_grab = 1;
2065 } else if (strstart(opts, "off", &nextopt)) {
2066 ctrl_grab = 0;
2067 } else {
2068 goto invalid_sdl_args;
2069 }
2070 } else if (strstart(opts, ",window_close=", &nextopt)) {
2071 opts = nextopt;
2072 dpy.has_window_close = true;
2073 if (strstart(opts, "on", &nextopt)) {
2074 dpy.window_close = true;
2075 } else if (strstart(opts, "off", &nextopt)) {
2076 dpy.window_close = false;
2077 } else {
2078 goto invalid_sdl_args;
2079 }
2080 } else if (strstart(opts, ",gl=", &nextopt)) {
2081 opts = nextopt;
2082 dpy.has_gl = true;
2083 if (strstart(opts, "on", &nextopt)) {
2084 dpy.gl = DISPLAYGL_MODE_ON;
2085 } else if (strstart(opts, "core", &nextopt)) {
2086 dpy.gl = DISPLAYGL_MODE_CORE;
2087 } else if (strstart(opts, "es", &nextopt)) {
2088 dpy.gl = DISPLAYGL_MODE_ES;
2089 } else if (strstart(opts, "off", &nextopt)) {
2090 dpy.gl = DISPLAYGL_MODE_OFF;
2091 } else {
2092 goto invalid_sdl_args;
2093 }
2094 } else {
2095 invalid_sdl_args:
2096 error_report("invalid SDL option string");
2097 exit(1);
2098 }
2099 opts = nextopt;
2100 }
2101 } else if (strstart(p, "vnc", &opts)) {
2102 /*
2103 * vnc isn't a (local) DisplayType but a protocol for remote
2104 * display access.
2105 */
2106 if (*opts == '=') {
2107 vnc_parse(opts + 1, &error_fatal);
2108 } else {
2109 error_report("VNC requires a display argument vnc=<display>");
2110 exit(1);
2111 }
2112 } else {
2113 parse_display_qapi(p);
2114 }
2115 }
2116
2117 char *qemu_find_file(int type, const char *name)
2118 {
2119 int i;
2120 const char *subdir;
2121 char *buf;
2122
2123 /* Try the name as a straight path first */
2124 if (access(name, R_OK) == 0) {
2125 trace_load_file(name, name);
2126 return g_strdup(name);
2127 }
2128
2129 switch (type) {
2130 case QEMU_FILE_TYPE_BIOS:
2131 subdir = "";
2132 break;
2133 case QEMU_FILE_TYPE_KEYMAP:
2134 subdir = "keymaps/";
2135 break;
2136 default:
2137 abort();
2138 }
2139
2140 for (i = 0; i < data_dir_idx; i++) {
2141 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2142 if (access(buf, R_OK) == 0) {
2143 trace_load_file(name, buf);
2144 return buf;
2145 }
2146 g_free(buf);
2147 }
2148 return NULL;
2149 }
2150
2151 static void qemu_add_data_dir(const char *path)
2152 {
2153 int i;
2154
2155 if (path == NULL) {
2156 return;
2157 }
2158 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2159 return;
2160 }
2161 for (i = 0; i < data_dir_idx; i++) {
2162 if (strcmp(data_dir[i], path) == 0) {
2163 return; /* duplicate */
2164 }
2165 }
2166 data_dir[data_dir_idx++] = g_strdup(path);
2167 }
2168
2169 static inline bool nonempty_str(const char *str)
2170 {
2171 return str && *str;
2172 }
2173
2174 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2175 {
2176 gchar *buf;
2177 size_t size;
2178 const char *name, *file, *str;
2179 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2180
2181 if (fw_cfg == NULL) {
2182 error_report("fw_cfg device not available");
2183 return -1;
2184 }
2185 name = qemu_opt_get(opts, "name");
2186 file = qemu_opt_get(opts, "file");
2187 str = qemu_opt_get(opts, "string");
2188
2189 /* we need name and either a file or the content string */
2190 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2191 error_report("invalid argument(s)");
2192 return -1;
2193 }
2194 if (nonempty_str(file) && nonempty_str(str)) {
2195 error_report("file and string are mutually exclusive");
2196 return -1;
2197 }
2198 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2199 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2200 return -1;
2201 }
2202 if (strncmp(name, "opt/", 4) != 0) {
2203 warn_report("externally provided fw_cfg item names "
2204 "should be prefixed with \"opt/\"");
2205 }
2206 if (nonempty_str(str)) {
2207 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2208 buf = g_memdup(str, size);
2209 } else {
2210 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2211 error_report("can't load %s", file);
2212 return -1;
2213 }
2214 }
2215 /* For legacy, keep user files in a specific global order. */
2216 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2217 fw_cfg_add_file(fw_cfg, name, buf, size);
2218 fw_cfg_reset_order_override(fw_cfg);
2219 return 0;
2220 }
2221
2222 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2223 {
2224 return qdev_device_help(opts);
2225 }
2226
2227 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2228 {
2229 Error *err = NULL;
2230 DeviceState *dev;
2231
2232 dev = qdev_device_add(opts, &err);
2233 if (!dev) {
2234 error_report_err(err);
2235 return -1;
2236 }
2237 object_unref(OBJECT(dev));
2238 return 0;
2239 }
2240
2241 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2242 {
2243 Error *local_err = NULL;
2244
2245 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2246 if (local_err) {
2247 error_report_err(local_err);
2248 return -1;
2249 }
2250 exit(0);
2251 }
2252 return 0;
2253 }
2254
2255 #ifdef CONFIG_VIRTFS
2256 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2257 {
2258 return qemu_fsdev_add(opts);
2259 }
2260 #endif
2261
2262 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2263 {
2264 Chardev *chr;
2265 const char *chardev;
2266 const char *mode;
2267 int flags;
2268
2269 mode = qemu_opt_get(opts, "mode");
2270 if (mode == NULL) {
2271 mode = "readline";
2272 }
2273 if (strcmp(mode, "readline") == 0) {
2274 flags = MONITOR_USE_READLINE;
2275 } else if (strcmp(mode, "control") == 0) {
2276 flags = MONITOR_USE_CONTROL;
2277 } else {
2278 error_report("unknown monitor mode \"%s\"", mode);
2279 exit(1);
2280 }
2281
2282 if (qemu_opt_get_bool(opts, "pretty", 0))
2283 flags |= MONITOR_USE_PRETTY;
2284
2285 /* OOB is off by default */
2286 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2287 flags |= MONITOR_USE_OOB;
2288 }
2289
2290 chardev = qemu_opt_get(opts, "chardev");
2291 chr = qemu_chr_find(chardev);
2292 if (chr == NULL) {
2293 error_report("chardev \"%s\" not found", chardev);
2294 exit(1);
2295 }
2296
2297 monitor_init(chr, flags);
2298 return 0;
2299 }
2300
2301 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2302 {
2303 static int monitor_device_index = 0;
2304 QemuOpts *opts;
2305 const char *p;
2306 char label[32];
2307
2308 if (strstart(optarg, "chardev:", &p)) {
2309 snprintf(label, sizeof(label), "%s", p);
2310 } else {
2311 snprintf(label, sizeof(label), "compat_monitor%d",
2312 monitor_device_index);
2313 opts = qemu_chr_parse_compat(label, optarg);
2314 if (!opts) {
2315 error_report("parse error: %s", optarg);
2316 exit(1);
2317 }
2318 }
2319
2320 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2321 qemu_opt_set(opts, "mode", mode, &error_abort);
2322 qemu_opt_set(opts, "chardev", label, &error_abort);
2323 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2324 monitor_device_index++;
2325 }
2326
2327 struct device_config {
2328 enum {
2329 DEV_USB, /* -usbdevice */
2330 DEV_BT, /* -bt */
2331 DEV_SERIAL, /* -serial */
2332 DEV_PARALLEL, /* -parallel */
2333 DEV_VIRTCON, /* -virtioconsole */
2334 DEV_DEBUGCON, /* -debugcon */
2335 DEV_GDB, /* -gdb, -s */
2336 DEV_SCLP, /* s390 sclp */
2337 } type;
2338 const char *cmdline;
2339 Location loc;
2340 QTAILQ_ENTRY(device_config) next;
2341 };
2342
2343 static QTAILQ_HEAD(, device_config) device_configs =
2344 QTAILQ_HEAD_INITIALIZER(device_configs);
2345
2346 static void add_device_config(int type, const char *cmdline)
2347 {
2348 struct device_config *conf;
2349
2350 conf = g_malloc0(sizeof(*conf));
2351 conf->type = type;
2352 conf->cmdline = cmdline;
2353 loc_save(&conf->loc);
2354 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2355 }
2356
2357 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2358 {
2359 struct device_config *conf;
2360 int rc;
2361
2362 QTAILQ_FOREACH(conf, &device_configs, next) {
2363 if (conf->type != type)
2364 continue;
2365 loc_push_restore(&conf->loc);
2366 rc = func(conf->cmdline);
2367 loc_pop(&conf->loc);
2368 if (rc) {
2369 return rc;
2370 }
2371 }
2372 return 0;
2373 }
2374
2375 static int serial_parse(const char *devname)
2376 {
2377 int index = num_serial_hds;
2378 char label[32];
2379
2380 if (strcmp(devname, "none") == 0)
2381 return 0;
2382 snprintf(label, sizeof(label), "serial%d", index);
2383 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2384
2385 serial_hds[index] = qemu_chr_new(label, devname);
2386 if (!serial_hds[index]) {
2387 error_report("could not connect serial device"
2388 " to character backend '%s'", devname);
2389 return -1;
2390 }
2391 num_serial_hds++;
2392 return 0;
2393 }
2394
2395 Chardev *serial_hd(int i)
2396 {
2397 assert(i >= 0);
2398 if (i < num_serial_hds) {
2399 return serial_hds[i];
2400 }
2401 return NULL;
2402 }
2403
2404 int serial_max_hds(void)
2405 {
2406 return num_serial_hds;
2407 }
2408
2409 static int parallel_parse(const char *devname)
2410 {
2411 static int index = 0;
2412 char label[32];
2413
2414 if (strcmp(devname, "none") == 0)
2415 return 0;
2416 if (index == MAX_PARALLEL_PORTS) {
2417 error_report("too many parallel ports");
2418 exit(1);
2419 }
2420 snprintf(label, sizeof(label), "parallel%d", index);
2421 parallel_hds[index] = qemu_chr_new(label, devname);
2422 if (!parallel_hds[index]) {
2423 error_report("could not connect parallel device"
2424 " to character backend '%s'", devname);
2425 return -1;
2426 }
2427 index++;
2428 return 0;
2429 }
2430
2431 static int virtcon_parse(const char *devname)
2432 {
2433 QemuOptsList *device = qemu_find_opts("device");
2434 static int index = 0;
2435 char label[32];
2436 QemuOpts *bus_opts, *dev_opts;
2437
2438 if (strcmp(devname, "none") == 0)
2439 return 0;
2440 if (index == MAX_VIRTIO_CONSOLES) {
2441 error_report("too many virtio consoles");
2442 exit(1);
2443 }
2444
2445 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2446 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2447
2448 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2449 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2450
2451 snprintf(label, sizeof(label), "virtcon%d", index);
2452 virtcon_hds[index] = qemu_chr_new(label, devname);
2453 if (!virtcon_hds[index]) {
2454 error_report("could not connect virtio console"
2455 " to character backend '%s'", devname);
2456 return -1;
2457 }
2458 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2459
2460 index++;
2461 return 0;
2462 }
2463
2464 static int debugcon_parse(const char *devname)
2465 {
2466 QemuOpts *opts;
2467
2468 if (!qemu_chr_new("debugcon", devname)) {
2469 exit(1);
2470 }
2471 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2472 if (!opts) {
2473 error_report("already have a debugcon device");
2474 exit(1);
2475 }
2476 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2477 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2478 return 0;
2479 }
2480
2481 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2482 {
2483 const MachineClass *mc1 = a, *mc2 = b;
2484 int res;
2485
2486 if (mc1->family == NULL) {
2487 if (mc2->family == NULL) {
2488 /* Compare standalone machine types against each other; they sort
2489 * in increasing order.
2490 */
2491 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2492 object_class_get_name(OBJECT_CLASS(mc2)));
2493 }
2494
2495 /* Standalone machine types sort after families. */
2496 return 1;
2497 }
2498
2499 if (mc2->family == NULL) {
2500 /* Families sort before standalone machine types. */
2501 return -1;
2502 }
2503
2504 /* Families sort between each other alphabetically increasingly. */
2505 res = strcmp(mc1->family, mc2->family);
2506 if (res != 0) {
2507 return res;
2508 }
2509
2510 /* Within the same family, machine types sort in decreasing order. */
2511 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2512 object_class_get_name(OBJECT_CLASS(mc1)));
2513 }
2514
2515 static MachineClass *machine_parse(const char *name)
2516 {
2517 MachineClass *mc = NULL;
2518 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2519
2520 if (name) {
2521 mc = find_machine(name);
2522 }
2523 if (mc) {
2524 g_slist_free(machines);
2525 return mc;
2526 }
2527 if (name && !is_help_option(name)) {
2528 error_report("unsupported machine type");
2529 error_printf("Use -machine help to list supported machines\n");
2530 } else {
2531 printf("Supported machines are:\n");
2532 machines = g_slist_sort(machines, machine_class_cmp);
2533 for (el = machines; el; el = el->next) {
2534 MachineClass *mc = el->data;
2535 if (mc->alias) {
2536 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2537 }
2538 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2539 mc->is_default ? " (default)" : "",
2540 mc->deprecation_reason ? " (deprecated)" : "");
2541 }
2542 }
2543
2544 g_slist_free(machines);
2545 exit(!name || !is_help_option(name));
2546 }
2547
2548 void qemu_add_exit_notifier(Notifier *notify)
2549 {
2550 notifier_list_add(&exit_notifiers, notify);
2551 }
2552
2553 void qemu_remove_exit_notifier(Notifier *notify)
2554 {
2555 notifier_remove(notify);
2556 }
2557
2558 static void qemu_run_exit_notifiers(void)
2559 {
2560 notifier_list_notify(&exit_notifiers, NULL);
2561 }
2562
2563 static const char *pid_file;
2564 static Notifier qemu_unlink_pidfile_notifier;
2565
2566 static void qemu_unlink_pidfile(Notifier *n, void *data)
2567 {
2568 if (pid_file) {
2569 unlink(pid_file);
2570 }
2571 }
2572
2573 bool machine_init_done;
2574
2575 void qemu_add_machine_init_done_notifier(Notifier *notify)
2576 {
2577 notifier_list_add(&machine_init_done_notifiers, notify);
2578 if (machine_init_done) {
2579 notify->notify(notify, NULL);
2580 }
2581 }
2582
2583 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2584 {
2585 notifier_remove(notify);
2586 }
2587
2588 static void qemu_run_machine_init_done_notifiers(void)
2589 {
2590 machine_init_done = true;
2591 notifier_list_notify(&machine_init_done_notifiers, NULL);
2592 }
2593
2594 static const QEMUOption *lookup_opt(int argc, char **argv,
2595 const char **poptarg, int *poptind)
2596 {
2597 const QEMUOption *popt;
2598 int optind = *poptind;
2599 char *r = argv[optind];
2600 const char *optarg;
2601
2602 loc_set_cmdline(argv, optind, 1);
2603 optind++;
2604 /* Treat --foo the same as -foo. */
2605 if (r[1] == '-')
2606 r++;
2607 popt = qemu_options;
2608 for(;;) {
2609 if (!popt->name) {
2610 error_report("invalid option");
2611 exit(1);
2612 }
2613 if (!strcmp(popt->name, r + 1))
2614 break;
2615 popt++;
2616 }
2617 if (popt->flags & HAS_ARG) {
2618 if (optind >= argc) {
2619 error_report("requires an argument");
2620 exit(1);
2621 }
2622 optarg = argv[optind++];
2623 loc_set_cmdline(argv, optind - 2, 2);
2624 } else {
2625 optarg = NULL;
2626 }
2627
2628 *poptarg = optarg;
2629 *poptind = optind;
2630
2631 return popt;
2632 }
2633
2634 static MachineClass *select_machine(void)
2635 {
2636 MachineClass *machine_class = find_default_machine();
2637 const char *optarg;
2638 QemuOpts *opts;
2639 Location loc;
2640
2641 loc_push_none(&loc);
2642
2643 opts = qemu_get_machine_opts();
2644 qemu_opts_loc_restore(opts);
2645
2646 optarg = qemu_opt_get(opts, "type");
2647 if (optarg) {
2648 machine_class = machine_parse(optarg);
2649 }
2650
2651 if (!machine_class) {
2652 error_report("No machine specified, and there is no default");
2653 error_printf("Use -machine help to list supported machines\n");
2654 exit(1);
2655 }
2656
2657 loc_pop(&loc);
2658 return machine_class;
2659 }
2660
2661 static int machine_set_property(void *opaque,
2662 const char *name, const char *value,
2663 Error **errp)
2664 {
2665 Object *obj = OBJECT(opaque);
2666 Error *local_err = NULL;
2667 char *p, *qom_name;
2668
2669 if (strcmp(name, "type") == 0) {
2670 return 0;
2671 }
2672
2673 qom_name = g_strdup(name);
2674 for (p = qom_name; *p; p++) {
2675 if (*p == '_') {
2676 *p = '-';
2677 }
2678 }
2679
2680 object_property_parse(obj, value, qom_name, &local_err);
2681 g_free(qom_name);
2682
2683 if (local_err) {
2684 error_report_err(local_err);
2685 return -1;
2686 }
2687
2688 return 0;
2689 }
2690
2691
2692 /*
2693 * Initial object creation happens before all other
2694 * QEMU data types are created. The majority of objects
2695 * can be created at this point. The rng-egd object
2696 * cannot be created here, as it depends on the chardev
2697 * already existing.
2698 */
2699 static bool object_create_initial(const char *type)
2700 {
2701 if (g_str_equal(type, "rng-egd") ||
2702 g_str_has_prefix(type, "pr-manager-")) {
2703 return false;
2704 }
2705
2706 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2707 if (g_str_equal(type, "cryptodev-vhost-user")) {
2708 return false;
2709 }
2710 #endif
2711
2712 /*
2713 * return false for concrete netfilters since
2714 * they depend on netdevs already existing
2715 */
2716 if (g_str_equal(type, "filter-buffer") ||
2717 g_str_equal(type, "filter-dump") ||
2718 g_str_equal(type, "filter-mirror") ||
2719 g_str_equal(type, "filter-redirector") ||
2720 g_str_equal(type, "colo-compare") ||
2721 g_str_equal(type, "filter-rewriter") ||
2722 g_str_equal(type, "filter-replay")) {
2723 return false;
2724 }
2725
2726 /* Memory allocation by backends needs to be done
2727 * after configure_accelerator() (due to the tcg_enabled()
2728 * checks at memory_region_init_*()).
2729 *
2730 * Also, allocation of large amounts of memory may delay
2731 * chardev initialization for too long, and trigger timeouts
2732 * on software that waits for a monitor socket to be created
2733 * (e.g. libvirt).
2734 */
2735 if (g_str_has_prefix(type, "memory-backend-")) {
2736 return false;
2737 }
2738
2739 return true;
2740 }
2741
2742
2743 /*
2744 * The remainder of object creation happens after the
2745 * creation of chardev, fsdev, net clients and device data types.
2746 */
2747 static bool object_create_delayed(const char *type)
2748 {
2749 return !object_create_initial(type);
2750 }
2751
2752
2753 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2754 MachineClass *mc)
2755 {
2756 uint64_t sz;
2757 const char *mem_str;
2758 const ram_addr_t default_ram_size = mc->default_ram_size;
2759 QemuOpts *opts = qemu_find_opts_singleton("memory");
2760 Location loc;
2761
2762 loc_push_none(&loc);
2763 qemu_opts_loc_restore(opts);
2764
2765 sz = 0;
2766 mem_str = qemu_opt_get(opts, "size");
2767 if (mem_str) {
2768 if (!*mem_str) {
2769 error_report("missing 'size' option value");
2770 exit(EXIT_FAILURE);
2771 }
2772
2773 sz = qemu_opt_get_size(opts, "size", ram_size);
2774
2775 /* Fix up legacy suffix-less format */
2776 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2777 uint64_t overflow_check = sz;
2778
2779 sz *= MiB;
2780 if (sz / MiB != overflow_check) {
2781 error_report("too large 'size' option value");
2782 exit(EXIT_FAILURE);
2783 }
2784 }
2785 }
2786
2787 /* backward compatibility behaviour for case "-m 0" */
2788 if (sz == 0) {
2789 sz = default_ram_size;
2790 }
2791
2792 sz = QEMU_ALIGN_UP(sz, 8192);
2793 ram_size = sz;
2794 if (ram_size != sz) {
2795 error_report("ram size too large");
2796 exit(EXIT_FAILURE);
2797 }
2798
2799 /* store value for the future use */
2800 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2801 *maxram_size = ram_size;
2802
2803 if (qemu_opt_get(opts, "maxmem")) {
2804 uint64_t slots;
2805
2806 sz = qemu_opt_get_size(opts, "maxmem", 0);
2807 slots = qemu_opt_get_number(opts, "slots", 0);
2808 if (sz < ram_size) {
2809 error_report("invalid value of -m option maxmem: "
2810 "maximum memory size (0x%" PRIx64 ") must be at least "
2811 "the initial memory size (0x" RAM_ADDR_FMT ")",
2812 sz, ram_size);
2813 exit(EXIT_FAILURE);
2814 } else if (slots && sz == ram_size) {
2815 error_report("invalid value of -m option maxmem: "
2816 "memory slots were specified but maximum memory size "
2817 "(0x%" PRIx64 ") is equal to the initial memory size "
2818 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2819 exit(EXIT_FAILURE);
2820 }
2821
2822 *maxram_size = sz;
2823 *ram_slots = slots;
2824 } else if (qemu_opt_get(opts, "slots")) {
2825 error_report("invalid -m option value: missing 'maxmem' option");
2826 exit(EXIT_FAILURE);
2827 }
2828
2829 loc_pop(&loc);
2830 }
2831
2832 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2833 {
2834 GlobalProperty *g;
2835
2836 g = g_malloc0(sizeof(*g));
2837 g->driver = qemu_opt_get(opts, "driver");
2838 g->property = qemu_opt_get(opts, "property");
2839 g->value = qemu_opt_get(opts, "value");
2840 g->user_provided = true;
2841 g->errp = &error_fatal;
2842 qdev_prop_register_global(g);
2843 return 0;
2844 }
2845
2846 static int qemu_read_default_config_file(void)
2847 {
2848 int ret;
2849
2850 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2851 if (ret < 0 && ret != -ENOENT) {
2852 return ret;
2853 }
2854
2855 return 0;
2856 }
2857
2858 static void user_register_global_props(void)
2859 {
2860 qemu_opts_foreach(qemu_find_opts("global"),
2861 global_init_func, NULL, NULL);
2862 }
2863
2864 /*
2865 * Note: we should see that these properties are actually having a
2866 * priority: accel < machine < user. This means e.g. when user
2867 * specifies something in "-global", it'll always be used with highest
2868 * priority than either machine/accelerator compat properties.
2869 */
2870 static void register_global_properties(MachineState *ms)
2871 {
2872 accel_register_compat_props(ms->accelerator);
2873 machine_register_compat_props(ms);
2874 user_register_global_props();
2875 }
2876
2877 int main(int argc, char **argv, char **envp)
2878 {
2879 int i;
2880 int snapshot, linux_boot;
2881 const char *initrd_filename;
2882 const char *kernel_filename, *kernel_cmdline;
2883 const char *boot_order = NULL;
2884 const char *boot_once = NULL;
2885 DisplayState *ds;
2886 QemuOpts *opts, *machine_opts;
2887 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2888 QemuOptsList *olist;
2889 int optind;
2890 const char *optarg;
2891 const char *loadvm = NULL;
2892 MachineClass *machine_class;
2893 const char *cpu_model;
2894 const char *vga_model = NULL;
2895 const char *qtest_chrdev = NULL;
2896 const char *qtest_log = NULL;
2897 const char *incoming = NULL;
2898 bool userconfig = true;
2899 bool nographic = false;
2900 int display_remote = 0;
2901 const char *log_mask = NULL;
2902 const char *log_file = NULL;
2903 char *trace_file = NULL;
2904 ram_addr_t maxram_size;
2905 uint64_t ram_slots = 0;
2906 FILE *vmstate_dump_file = NULL;
2907 Error *main_loop_err = NULL;
2908 Error *err = NULL;
2909 bool list_data_dirs = false;
2910 char *dir, **dirs;
2911 typedef struct BlockdevOptions_queue {
2912 BlockdevOptions *bdo;
2913 Location loc;
2914 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2915 } BlockdevOptions_queue;
2916 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2917 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2918
2919 module_call_init(MODULE_INIT_TRACE);
2920
2921 qemu_init_cpu_list();
2922 qemu_init_cpu_loop();
2923
2924 qemu_mutex_lock_iothread();
2925
2926 atexit(qemu_run_exit_notifiers);
2927 error_set_progname(argv[0]);
2928 qemu_init_exec_dir(argv[0]);
2929
2930 module_call_init(MODULE_INIT_QOM);
2931
2932 qemu_add_opts(&qemu_drive_opts);
2933 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2934 qemu_add_drive_opts(&qemu_common_drive_opts);
2935 qemu_add_drive_opts(&qemu_drive_opts);
2936 qemu_add_drive_opts(&bdrv_runtime_opts);
2937 qemu_add_opts(&qemu_chardev_opts);
2938 qemu_add_opts(&qemu_device_opts);
2939 qemu_add_opts(&qemu_netdev_opts);
2940 qemu_add_opts(&qemu_nic_opts);
2941 qemu_add_opts(&qemu_net_opts);
2942 qemu_add_opts(&qemu_rtc_opts);
2943 qemu_add_opts(&qemu_global_opts);
2944 qemu_add_opts(&qemu_mon_opts);
2945 qemu_add_opts(&qemu_trace_opts);
2946 qemu_add_opts(&qemu_option_rom_opts);
2947 qemu_add_opts(&qemu_machine_opts);
2948 qemu_add_opts(&qemu_accel_opts);
2949 qemu_add_opts(&qemu_mem_opts);
2950 qemu_add_opts(&qemu_smp_opts);
2951 qemu_add_opts(&qemu_boot_opts);
2952 qemu_add_opts(&qemu_add_fd_opts);
2953 qemu_add_opts(&qemu_object_opts);
2954 qemu_add_opts(&qemu_tpmdev_opts);
2955 qemu_add_opts(&qemu_realtime_opts);
2956 qemu_add_opts(&qemu_overcommit_opts);
2957 qemu_add_opts(&qemu_msg_opts);
2958 qemu_add_opts(&qemu_name_opts);
2959 qemu_add_opts(&qemu_numa_opts);
2960 qemu_add_opts(&qemu_icount_opts);
2961 qemu_add_opts(&qemu_semihosting_config_opts);
2962 qemu_add_opts(&qemu_fw_cfg_opts);
2963 module_call_init(MODULE_INIT_OPTS);
2964
2965 runstate_init();
2966 postcopy_infrastructure_init();
2967 monitor_init_globals();
2968
2969 if (qcrypto_init(&err) < 0) {
2970 error_reportf_err(err, "cannot initialize crypto: ");
2971 exit(1);
2972 }
2973 rtc_clock = QEMU_CLOCK_HOST;
2974
2975 QLIST_INIT (&vm_change_state_head);
2976 os_setup_early_signal_handling();
2977
2978 cpu_model = NULL;
2979 snapshot = 0;
2980
2981 nb_nics = 0;
2982
2983 bdrv_init_with_whitelist();
2984
2985 autostart = 1;
2986
2987 /* first pass of option parsing */
2988 optind = 1;
2989 while (optind < argc) {
2990 if (argv[optind][0] != '-') {
2991 /* disk image */
2992 optind++;
2993 } else {
2994 const QEMUOption *popt;
2995
2996 popt = lookup_opt(argc, argv, &optarg, &optind);
2997 switch (popt->index) {
2998 case QEMU_OPTION_nouserconfig:
2999 userconfig = false;
3000 break;
3001 }
3002 }
3003 }
3004
3005 if (userconfig) {
3006 if (qemu_read_default_config_file() < 0) {
3007 exit(1);
3008 }
3009 }
3010
3011 /* second pass of option parsing */
3012 optind = 1;
3013 for(;;) {
3014 if (optind >= argc)
3015 break;
3016 if (argv[optind][0] != '-') {
3017 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3018 } else {
3019 const QEMUOption *popt;
3020
3021 popt = lookup_opt(argc, argv, &optarg, &optind);
3022 if (!(popt->arch_mask & arch_type)) {
3023 error_report("Option not supported for this target");
3024 exit(1);
3025 }
3026 switch(popt->index) {
3027 case QEMU_OPTION_cpu:
3028 /* hw initialization will check this */
3029 cpu_model = optarg;
3030 break;
3031 case QEMU_OPTION_hda:
3032 case QEMU_OPTION_hdb:
3033 case QEMU_OPTION_hdc:
3034 case QEMU_OPTION_hdd:
3035 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3036 HD_OPTS);
3037 break;
3038 case QEMU_OPTION_blockdev:
3039 {
3040 Visitor *v;
3041 BlockdevOptions_queue *bdo;
3042
3043 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3044 if (!v) {
3045 error_report_err(err);
3046 exit(1);
3047 }
3048
3049 bdo = g_new(BlockdevOptions_queue, 1);
3050 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3051 &error_fatal);
3052 visit_free(v);
3053 loc_save(&bdo->loc);
3054 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3055 break;
3056 }
3057 case QEMU_OPTION_drive:
3058 if (drive_def(optarg) == NULL) {
3059 exit(1);
3060 }
3061 break;
3062 case QEMU_OPTION_set:
3063 if (qemu_set_option(optarg) != 0)
3064 exit(1);
3065 break;
3066 case QEMU_OPTION_global:
3067 if (qemu_global_option(optarg) != 0)
3068 exit(1);
3069 break;
3070 case QEMU_OPTION_mtdblock:
3071 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3072 break;
3073 case QEMU_OPTION_sd:
3074 drive_add(IF_SD, -1, optarg, SD_OPTS);
3075 break;
3076 case QEMU_OPTION_pflash:
3077 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3078 break;
3079 case QEMU_OPTION_snapshot:
3080 snapshot = 1;
3081 break;
3082 case QEMU_OPTION_numa:
3083 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3084 optarg, true);
3085 if (!opts) {
3086 exit(1);
3087 }
3088 break;
3089 case QEMU_OPTION_display:
3090 parse_display(optarg);
3091 break;
3092 case QEMU_OPTION_nographic:
3093 olist = qemu_find_opts("machine");
3094 qemu_opts_parse_noisily(olist, "graphics=off", false);
3095 nographic = true;
3096 dpy.type = DISPLAY_TYPE_NONE;
3097 break;
3098 case QEMU_OPTION_curses:
3099 #ifdef CONFIG_CURSES
3100 dpy.type = DISPLAY_TYPE_CURSES;
3101 #else
3102 error_report("curses support is disabled");
3103 exit(1);
3104 #endif
3105 break;
3106 case QEMU_OPTION_portrait:
3107 graphic_rotate = 90;
3108 break;
3109 case QEMU_OPTION_rotate:
3110 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3111 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3112 graphic_rotate != 180 && graphic_rotate != 270) {
3113 error_report("only 90, 180, 270 deg rotation is available");
3114 exit(1);
3115 }
3116 break;
3117 case QEMU_OPTION_kernel:
3118 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3119 &error_abort);
3120 break;
3121 case QEMU_OPTION_initrd:
3122 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3123 &error_abort);
3124 break;
3125 case QEMU_OPTION_append:
3126 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3127 &error_abort);
3128 break;
3129 case QEMU_OPTION_dtb:
3130 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3131 &error_abort);
3132 break;
3133 case QEMU_OPTION_cdrom:
3134 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3135 break;
3136 case QEMU_OPTION_boot:
3137 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3138 optarg, true);
3139 if (!opts) {
3140 exit(1);
3141 }
3142 break;
3143 case QEMU_OPTION_fda:
3144 case QEMU_OPTION_fdb:
3145 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3146 optarg, FD_OPTS);
3147 break;
3148 case QEMU_OPTION_no_fd_bootchk:
3149 fd_bootchk = 0;
3150 break;
3151 case QEMU_OPTION_netdev:
3152 default_net = 0;
3153 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3154 exit(1);
3155 }
3156 break;
3157 case QEMU_OPTION_nic:
3158 default_net = 0;
3159 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3160 exit(1);
3161 }
3162 break;
3163 case QEMU_OPTION_net:
3164 default_net = 0;
3165 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3166 exit(1);
3167 }
3168 break;
3169 #ifdef CONFIG_LIBISCSI
3170 case QEMU_OPTION_iscsi:
3171 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3172 optarg, false);
3173 if (!opts) {
3174 exit(1);
3175 }
3176 break;
3177 #endif
3178 case QEMU_OPTION_bt:
3179 add_device_config(DEV_BT, optarg);
3180 break;
3181 case QEMU_OPTION_audio_help:
3182 AUD_help ();
3183 exit (0);
3184 break;
3185 case QEMU_OPTION_soundhw:
3186 select_soundhw (optarg);
3187 break;
3188 case QEMU_OPTION_h:
3189 help(0);
3190 break;
3191 case QEMU_OPTION_version:
3192 version();
3193 exit(0);
3194 break;
3195 case QEMU_OPTION_m:
3196 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3197 optarg, true);
3198 if (!opts) {
3199 exit(EXIT_FAILURE);
3200 }
3201 break;
3202 #ifdef CONFIG_TPM
3203 case QEMU_OPTION_tpmdev:
3204 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3205 exit(1);
3206 }
3207 break;
3208 #endif
3209 case QEMU_OPTION_mempath:
3210 mem_path = optarg;
3211 break;
3212 case QEMU_OPTION_mem_prealloc:
3213 mem_prealloc = 1;
3214 break;
3215 case QEMU_OPTION_d:
3216 log_mask = optarg;
3217 break;
3218 case QEMU_OPTION_D:
3219 log_file = optarg;
3220 break;
3221 case QEMU_OPTION_DFILTER:
3222 qemu_set_dfilter_ranges(optarg, &error_fatal);
3223 break;
3224 case QEMU_OPTION_s:
3225 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3226 break;
3227 case QEMU_OPTION_gdb:
3228 add_device_config(DEV_GDB, optarg);
3229 break;
3230 case QEMU_OPTION_L:
3231 if (is_help_option(optarg)) {
3232 list_data_dirs = true;
3233 } else {
3234 qemu_add_data_dir(optarg);
3235 }
3236 break;
3237 case QEMU_OPTION_bios:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3239 &error_abort);
3240 break;
3241 case QEMU_OPTION_singlestep:
3242 singlestep = 1;
3243 break;
3244 case QEMU_OPTION_S:
3245 autostart = 0;
3246 break;
3247 case QEMU_OPTION_k:
3248 keyboard_layout = optarg;
3249 break;
3250 case QEMU_OPTION_vga:
3251 vga_model = optarg;
3252 default_vga = 0;
3253 break;
3254 case QEMU_OPTION_g:
3255 {
3256 const char *p;
3257 int w, h, depth;
3258 p = optarg;
3259 w = strtol(p, (char **)&p, 10);
3260 if (w <= 0) {
3261 graphic_error:
3262 error_report("invalid resolution or depth");
3263 exit(1);
3264 }
3265 if (*p != 'x')
3266 goto graphic_error;
3267 p++;
3268 h = strtol(p, (char **)&p, 10);
3269 if (h <= 0)
3270 goto graphic_error;
3271 if (*p == 'x') {
3272 p++;
3273 depth = strtol(p, (char **)&p, 10);
3274 if (depth != 8 && depth != 15 && depth != 16 &&
3275 depth != 24 && depth != 32)
3276 goto graphic_error;
3277 } else if (*p == '\0') {
3278 depth = graphic_depth;
3279 } else {
3280 goto graphic_error;
3281 }
3282
3283 graphic_width = w;
3284 graphic_height = h;
3285 graphic_depth = depth;
3286 }
3287 break;
3288 case QEMU_OPTION_echr:
3289 {
3290 char *r;
3291 term_escape_char = strtol(optarg, &r, 0);
3292 if (r == optarg)
3293 printf("Bad argument to echr\n");
3294 break;
3295 }
3296 case QEMU_OPTION_monitor:
3297 default_monitor = 0;
3298 if (strncmp(optarg, "none", 4)) {
3299 monitor_parse(optarg, "readline", false);
3300 }
3301 break;
3302 case QEMU_OPTION_qmp:
3303 monitor_parse(optarg, "control", false);
3304 default_monitor = 0;
3305 break;
3306 case QEMU_OPTION_qmp_pretty:
3307 monitor_parse(optarg, "control", true);
3308 default_monitor = 0;
3309 break;
3310 case QEMU_OPTION_mon:
3311 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3312 true);
3313 if (!opts) {
3314 exit(1);
3315 }
3316 default_monitor = 0;
3317 break;
3318 case QEMU_OPTION_chardev:
3319 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3320 optarg, true);
3321 if (!opts) {
3322 exit(1);
3323 }
3324 break;
3325 case QEMU_OPTION_fsdev:
3326 olist = qemu_find_opts("fsdev");
3327 if (!olist) {
3328 error_report("fsdev support is disabled");
3329 exit(1);
3330 }
3331 opts = qemu_opts_parse_noisily(olist, optarg, true);
3332 if (!opts) {
3333 exit(1);
3334 }
3335 break;
3336 case QEMU_OPTION_virtfs: {
3337 QemuOpts *fsdev;
3338 QemuOpts *device;
3339 const char *writeout, *sock_fd, *socket, *path, *security_model;
3340
3341 olist = qemu_find_opts("virtfs");
3342 if (!olist) {
3343 error_report("virtfs support is disabled");
3344 exit(1);
3345 }
3346 opts = qemu_opts_parse_noisily(olist, optarg, true);
3347 if (!opts) {
3348 exit(1);
3349 }
3350
3351 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3352 qemu_opt_get(opts, "mount_tag") == NULL) {
3353 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3354 exit(1);
3355 }
3356 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3357 qemu_opts_id(opts) ?:
3358 qemu_opt_get(opts, "mount_tag"),
3359 1, NULL);
3360 if (!fsdev) {
3361 error_report("duplicate or invalid fsdev id: %s",
3362 qemu_opt_get(opts, "mount_tag"));
3363 exit(1);
3364 }
3365
3366 writeout = qemu_opt_get(opts, "writeout");
3367 if (writeout) {
3368 #ifdef CONFIG_SYNC_FILE_RANGE
3369 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3370 #else
3371 error_report("writeout=immediate not supported "
3372 "on this platform");
3373 exit(1);
3374 #endif
3375 }
3376 qemu_opt_set(fsdev, "fsdriver",
3377 qemu_opt_get(opts, "fsdriver"), &error_abort);
3378 path = qemu_opt_get(opts, "path");
3379 if (path) {
3380 qemu_opt_set(fsdev, "path", path, &error_abort);
3381 }
3382 security_model = qemu_opt_get(opts, "security_model");
3383 if (security_model) {
3384 qemu_opt_set(fsdev, "security_model", security_model,
3385 &error_abort);
3386 }
3387 socket = qemu_opt_get(opts, "socket");
3388 if (socket) {
3389 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3390 }
3391 sock_fd = qemu_opt_get(opts, "sock_fd");
3392 if (sock_fd) {
3393 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3394 }
3395
3396 qemu_opt_set_bool(fsdev, "readonly",
3397 qemu_opt_get_bool(opts, "readonly", 0),
3398 &error_abort);
3399 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3400 &error_abort);
3401 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3402 qemu_opt_set(device, "fsdev",
3403 qemu_opts_id(fsdev), &error_abort);
3404 qemu_opt_set(device, "mount_tag",
3405 qemu_opt_get(opts, "mount_tag"), &error_abort);
3406 break;
3407 }
3408 case QEMU_OPTION_virtfs_synth: {
3409 QemuOpts *fsdev;
3410 QemuOpts *device;
3411
3412 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3413 1, NULL);
3414 if (!fsdev) {
3415 error_report("duplicate option: %s", "virtfs_synth");
3416 exit(1);
3417 }
3418 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3419
3420 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3421 &error_abort);
3422 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3423 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3424 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3425 break;
3426 }
3427 case QEMU_OPTION_serial:
3428 add_device_config(DEV_SERIAL, optarg);
3429 default_serial = 0;
3430 if (strncmp(optarg, "mon:", 4) == 0) {
3431 default_monitor = 0;
3432 }
3433 break;
3434 case QEMU_OPTION_watchdog:
3435 if (watchdog) {
3436 error_report("only one watchdog option may be given");
3437 return 1;
3438 }
3439 watchdog = optarg;
3440 break;
3441 case QEMU_OPTION_watchdog_action:
3442 if (select_watchdog_action(optarg) == -1) {
3443 error_report("unknown -watchdog-action parameter");
3444 exit(1);
3445 }
3446 break;
3447 case QEMU_OPTION_virtiocon:
3448 warn_report("This option is deprecated, "
3449 "use '-device virtconsole' instead");
3450 add_device_config(DEV_VIRTCON, optarg);
3451 default_virtcon = 0;
3452 if (strncmp(optarg, "mon:", 4) == 0) {
3453 default_monitor = 0;
3454 }
3455 break;
3456 case QEMU_OPTION_parallel:
3457 add_device_config(DEV_PARALLEL, optarg);
3458 default_parallel = 0;
3459 if (strncmp(optarg, "mon:", 4) == 0) {
3460 default_monitor = 0;
3461 }
3462 break;
3463 case QEMU_OPTION_debugcon:
3464 add_device_config(DEV_DEBUGCON, optarg);
3465 break;
3466 case QEMU_OPTION_loadvm:
3467 loadvm = optarg;
3468 break;
3469 case QEMU_OPTION_full_screen:
3470 dpy.has_full_screen = true;
3471 dpy.full_screen = true;
3472 break;
3473 case QEMU_OPTION_no_frame:
3474 g_printerr("The -no-frame switch is deprecated, and will be\n"
3475 "removed in a future release.\n");
3476 no_frame = 1;
3477 break;
3478 case QEMU_OPTION_alt_grab:
3479 alt_grab = 1;
3480 break;
3481 case QEMU_OPTION_ctrl_grab:
3482 ctrl_grab = 1;
3483 break;
3484 case QEMU_OPTION_no_quit:
3485 dpy.has_window_close = true;
3486 dpy.window_close = false;
3487 break;
3488 case QEMU_OPTION_sdl:
3489 #ifdef CONFIG_SDL
3490 dpy.type = DISPLAY_TYPE_SDL;
3491 break;
3492 #else
3493 error_report("SDL support is disabled");
3494 exit(1);
3495 #endif
3496 case QEMU_OPTION_pidfile:
3497 pid_file = optarg;
3498 break;
3499 case QEMU_OPTION_win2k_hack:
3500 win2k_install_hack = 1;
3501 break;
3502 case QEMU_OPTION_acpitable:
3503 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3504 optarg, true);
3505 if (!opts) {
3506 exit(1);
3507 }
3508 acpi_table_add(opts, &error_fatal);
3509 break;
3510 case QEMU_OPTION_smbios:
3511 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3512 optarg, false);
3513 if (!opts) {
3514 exit(1);
3515 }
3516 smbios_entry_add(opts, &error_fatal);
3517 break;
3518 case QEMU_OPTION_fwcfg:
3519 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3520 optarg, true);
3521 if (opts == NULL) {
3522 exit(1);
3523 }
3524 break;
3525 case QEMU_OPTION_preconfig:
3526 preconfig_exit_requested = false;
3527 break;
3528 case QEMU_OPTION_enable_kvm:
3529 olist = qemu_find_opts("machine");
3530 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3531 break;
3532 case QEMU_OPTION_enable_hax:
3533 warn_report("Option is deprecated, use '-accel hax' instead");
3534 olist = qemu_find_opts("machine");
3535 qemu_opts_parse_noisily(olist, "accel=hax", false);
3536 break;
3537 case QEMU_OPTION_M:
3538 case QEMU_OPTION_machine:
3539 olist = qemu_find_opts("machine");
3540 opts = qemu_opts_parse_noisily(olist, optarg, true);
3541 if (!opts) {
3542 exit(1);
3543 }
3544 break;
3545 case QEMU_OPTION_no_kvm:
3546 olist = qemu_find_opts("machine");
3547 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3548 break;
3549 case QEMU_OPTION_accel:
3550 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3551 optarg, true);
3552 optarg = qemu_opt_get(accel_opts, "accel");
3553 if (!optarg || is_help_option(optarg)) {
3554 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3555 exit(0);
3556 }
3557 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3558 false, &error_abort);
3559 qemu_opt_set(opts, "accel", optarg, &error_abort);
3560 break;
3561 case QEMU_OPTION_usb:
3562 olist = qemu_find_opts("machine");
3563 qemu_opts_parse_noisily(olist, "usb=on", false);
3564 break;
3565 case QEMU_OPTION_usbdevice:
3566 error_report("'-usbdevice' is deprecated, please use "
3567 "'-device usb-...' instead");
3568 olist = qemu_find_opts("machine");
3569 qemu_opts_parse_noisily(olist, "usb=on", false);
3570 add_device_config(DEV_USB, optarg);
3571 break;
3572 case QEMU_OPTION_device:
3573 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3574 optarg, true)) {
3575 exit(1);
3576 }
3577 break;
3578 case QEMU_OPTION_smp:
3579 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3580 optarg, true)) {
3581 exit(1);
3582 }
3583 break;
3584 case QEMU_OPTION_vnc:
3585 vnc_parse(optarg, &error_fatal);
3586 break;
3587 case QEMU_OPTION_no_acpi:
3588 acpi_enabled = 0;
3589 break;
3590 case QEMU_OPTION_no_hpet:
3591 no_hpet = 1;
3592 break;
3593 case QEMU_OPTION_no_reboot:
3594 no_reboot = 1;
3595 break;
3596 case QEMU_OPTION_no_shutdown:
3597 no_shutdown = 1;
3598 break;
3599 case QEMU_OPTION_show_cursor:
3600 cursor_hide = 0;
3601 break;
3602 case QEMU_OPTION_uuid:
3603 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3604 error_report("failed to parse UUID string: wrong format");
3605 exit(1);
3606 }
3607 qemu_uuid_set = true;
3608 break;
3609 case QEMU_OPTION_option_rom:
3610 if (nb_option_roms >= MAX_OPTION_ROMS) {
3611 error_report("too many option ROMs");
3612 exit(1);
3613 }
3614 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3615 optarg, true);
3616 if (!opts) {
3617 exit(1);
3618 }
3619 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3620 option_rom[nb_option_roms].bootindex =
3621 qemu_opt_get_number(opts, "bootindex", -1);
3622 if (!option_rom[nb_option_roms].name) {
3623 error_report("Option ROM file is not specified");
3624 exit(1);
3625 }
3626 nb_option_roms++;
3627 break;
3628 case QEMU_OPTION_semihosting:
3629 semihosting.enabled = true;
3630 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3631 break;
3632 case QEMU_OPTION_semihosting_config:
3633 semihosting.enabled = true;
3634 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3635 optarg, false);
3636 if (opts != NULL) {
3637 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3638 true);
3639 const char *target = qemu_opt_get(opts, "target");
3640 if (target != NULL) {
3641 if (strcmp("native", target) == 0) {
3642 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3643 } else if (strcmp("gdb", target) == 0) {
3644 semihosting.target = SEMIHOSTING_TARGET_GDB;
3645 } else if (strcmp("auto", target) == 0) {
3646 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3647 } else {
3648 error_report("unsupported semihosting-config %s",
3649 optarg);
3650 exit(1);
3651 }
3652 } else {
3653 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3654 }
3655 /* Set semihosting argument count and vector */
3656 qemu_opt_foreach(opts, add_semihosting_arg,
3657 &semihosting, NULL);
3658 } else {
3659 error_report("unsupported semihosting-config %s", optarg);
3660 exit(1);
3661 }
3662 break;
3663 case QEMU_OPTION_name:
3664 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3665 optarg, true);
3666 if (!opts) {
3667 exit(1);
3668 }
3669 break;
3670 case QEMU_OPTION_prom_env:
3671 if (nb_prom_envs >= MAX_PROM_ENVS) {
3672 error_report("too many prom variables");
3673 exit(1);
3674 }
3675 prom_envs[nb_prom_envs] = optarg;
3676 nb_prom_envs++;
3677 break;
3678 case QEMU_OPTION_old_param:
3679 old_param = 1;
3680 break;
3681 case QEMU_OPTION_clock:
3682 /* Clock options no longer exist. Keep this option for
3683 * backward compatibility.
3684 */
3685 warn_report("This option is ignored and will be removed soon");
3686 break;
3687 case QEMU_OPTION_rtc:
3688 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3689 false);
3690 if (!opts) {
3691 exit(1);
3692 }
3693 configure_rtc(opts);
3694 break;
3695 case QEMU_OPTION_tb_size:
3696 #ifndef CONFIG_TCG
3697 error_report("TCG is disabled");
3698 exit(1);
3699 #endif
3700 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3701 error_report("Invalid argument to -tb-size");
3702 exit(1);
3703 }
3704 break;
3705 case QEMU_OPTION_icount:
3706 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3707 optarg, true);
3708 if (!icount_opts) {
3709 exit(1);
3710 }
3711 break;
3712 case QEMU_OPTION_incoming:
3713 if (!incoming) {
3714 runstate_set(RUN_STATE_INMIGRATE);
3715 }
3716 incoming = optarg;
3717 break;
3718 case QEMU_OPTION_only_migratable:
3719 /*
3720 * TODO: we can remove this option one day, and we
3721 * should all use:
3722 *
3723 * "-global migration.only-migratable=true"
3724 */
3725 qemu_global_option("migration.only-migratable=true");
3726 break;
3727 case QEMU_OPTION_nodefaults:
3728 has_defaults = 0;
3729 break;
3730 case QEMU_OPTION_xen_domid:
3731 if (!(xen_available())) {
3732 error_report("Option not supported for this target");
3733 exit(1);
3734 }
3735 xen_domid = atoi(optarg);
3736 break;
3737 case QEMU_OPTION_xen_create:
3738 if (!(xen_available())) {
3739 error_report("Option not supported for this target");
3740 exit(1);
3741 }
3742 xen_mode = XEN_CREATE;
3743 break;
3744 case QEMU_OPTION_xen_attach:
3745 if (!(xen_available())) {
3746 error_report("Option not supported for this target");
3747 exit(1);
3748 }
3749 xen_mode = XEN_ATTACH;
3750 break;
3751 case QEMU_OPTION_xen_domid_restrict:
3752 if (!(xen_available())) {
3753 error_report("Option not supported for this target");
3754 exit(1);
3755 }
3756 xen_domid_restrict = true;
3757 break;
3758 case QEMU_OPTION_trace:
3759 g_free(trace_file);
3760 trace_file = trace_opt_parse(optarg);
3761 break;
3762 case QEMU_OPTION_readconfig:
3763 {
3764 int ret = qemu_read_config_file(optarg);
3765 if (ret < 0) {
3766 error_report("read config %s: %s", optarg,
3767 strerror(-ret));
3768 exit(1);
3769 }
3770 break;
3771 }
3772 case QEMU_OPTION_spice:
3773 olist = qemu_find_opts("spice");
3774 if (!olist) {
3775 error_report("spice support is disabled");
3776 exit(1);
3777 }
3778 opts = qemu_opts_parse_noisily(olist, optarg, false);
3779 if (!opts) {
3780 exit(1);
3781 }
3782 display_remote++;
3783 break;
3784 case QEMU_OPTION_writeconfig:
3785 {
3786 FILE *fp;
3787 if (strcmp(optarg, "-") == 0) {
3788 fp = stdout;
3789 } else {
3790 fp = fopen(optarg, "w");
3791 if (fp == NULL) {
3792 error_report("open %s: %s", optarg,
3793 strerror(errno));
3794 exit(1);
3795 }
3796 }
3797 qemu_config_write(fp);
3798 if (fp != stdout) {
3799 fclose(fp);
3800 }
3801 break;
3802 }
3803 case QEMU_OPTION_qtest:
3804 qtest_chrdev = optarg;
3805 break;
3806 case QEMU_OPTION_qtest_log:
3807 qtest_log = optarg;
3808 break;
3809 case QEMU_OPTION_sandbox:
3810 #ifdef CONFIG_SECCOMP
3811 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3812 optarg, true);
3813 if (!opts) {
3814 exit(1);
3815 }
3816 #else
3817 error_report("-sandbox support is not enabled "
3818 "in this QEMU binary");
3819 exit(1);
3820 #endif
3821 break;
3822 case QEMU_OPTION_add_fd:
3823 #ifndef _WIN32
3824 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3825 optarg, false);
3826 if (!opts) {
3827 exit(1);
3828 }
3829 #else
3830 error_report("File descriptor passing is disabled on this "
3831 "platform");
3832 exit(1);
3833 #endif
3834 break;
3835 case QEMU_OPTION_object:
3836 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3837 optarg, true);
3838 if (!opts) {
3839 exit(1);
3840 }
3841 break;
3842 case QEMU_OPTION_realtime:
3843 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3844 optarg, false);
3845 if (!opts) {
3846 exit(1);
3847 }
3848 /* Don't override the -overcommit option if set */
3849 enable_mlock = enable_mlock ||
3850 qemu_opt_get_bool(opts, "mlock", true);
3851 break;
3852 case QEMU_OPTION_overcommit:
3853 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3854 optarg, false);
3855 if (!opts) {
3856 exit(1);
3857 }
3858 /* Don't override the -realtime option if set */
3859 enable_mlock = enable_mlock ||
3860 qemu_opt_get_bool(opts, "mem-lock", false);
3861 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3862 break;
3863 case QEMU_OPTION_msg:
3864 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3865 false);
3866 if (!opts) {
3867 exit(1);
3868 }
3869 configure_msg(opts);
3870 break;
3871 case QEMU_OPTION_dump_vmstate:
3872 if (vmstate_dump_file) {
3873 error_report("only one '-dump-vmstate' "
3874 "option may be given");
3875 exit(1);
3876 }
3877 vmstate_dump_file = fopen(optarg, "w");
3878 if (vmstate_dump_file == NULL) {
3879 error_report("open %s: %s", optarg, strerror(errno));
3880 exit(1);
3881 }
3882 break;
3883 case QEMU_OPTION_enable_sync_profile:
3884 qsp_enable();
3885 break;
3886 case QEMU_OPTION_nouserconfig:
3887 /* Nothing to be parsed here. Especially, do not error out below. */
3888 break;
3889 default:
3890 if (os_parse_cmd_args(popt->index, optarg)) {
3891 error_report("Option not supported in this build");
3892 exit(1);
3893 }
3894 }
3895 }
3896 }
3897 /*
3898 * Clear error location left behind by the loop.
3899 * Best done right after the loop. Do not insert code here!
3900 */
3901 loc_set_none();
3902
3903 replay_configure(icount_opts);
3904
3905 if (incoming && !preconfig_exit_requested) {
3906 error_report("'preconfig' and 'incoming' options are "
3907 "mutually exclusive");
3908 exit(EXIT_FAILURE);
3909 }
3910
3911 machine_class = select_machine();
3912
3913 set_memory_options(&ram_slots, &maxram_size, machine_class);
3914
3915 os_daemonize();
3916 rcu_disable_atfork();
3917
3918 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3919 error_reportf_err(err, "cannot create PID file: ");
3920 exit(1);
3921 }
3922
3923 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3924 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3925
3926 if (qemu_init_main_loop(&main_loop_err)) {
3927 error_report_err(main_loop_err);
3928 exit(1);
3929 }
3930
3931 #ifdef CONFIG_SECCOMP
3932 olist = qemu_find_opts_err("sandbox", NULL);
3933 if (olist && qemu_opts_foreach(olist, parse_sandbox, NULL, NULL)) {
3934 exit(1);
3935 }
3936 #endif
3937
3938 if (qemu_opts_foreach(qemu_find_opts("name"),
3939 parse_name, NULL, NULL)) {
3940 exit(1);
3941 }
3942
3943 #ifndef _WIN32
3944 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3945 parse_add_fd, NULL, NULL)) {
3946 exit(1);
3947 }
3948
3949 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3950 cleanup_add_fd, NULL, NULL)) {
3951 exit(1);
3952 }
3953 #endif
3954
3955 current_machine = MACHINE(object_new(object_class_get_name(
3956 OBJECT_CLASS(machine_class))));
3957 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3958 exit(0);
3959 }
3960 object_property_add_child(object_get_root(), "machine",
3961 OBJECT(current_machine), &error_abort);
3962
3963 if (machine_class->minimum_page_bits) {
3964 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
3965 /* This would be a board error: specifying a minimum smaller than
3966 * a target's compile-time fixed setting.
3967 */
3968 g_assert_not_reached();
3969 }
3970 }
3971
3972 cpu_exec_init_all();
3973
3974 if (machine_class->hw_version) {
3975 qemu_set_hw_version(machine_class->hw_version);
3976 }
3977
3978 if (cpu_model && is_help_option(cpu_model)) {
3979 list_cpus(stdout, &fprintf, cpu_model);
3980 exit(0);
3981 }
3982
3983 if (!trace_init_backends()) {
3984 exit(1);
3985 }
3986 trace_init_file(trace_file);
3987
3988 /* Open the logfile at this point and set the log mask if necessary.
3989 */
3990 if (log_file) {
3991 qemu_set_log_filename(log_file, &error_fatal);
3992 }
3993
3994 if (log_mask) {
3995 int mask;
3996 mask = qemu_str_to_log_mask(log_mask);
3997 if (!mask) {
3998 qemu_print_log_usage(stdout);
3999 exit(1);
4000 }
4001 qemu_set_log(mask);
4002 } else {
4003 qemu_set_log(0);
4004 }
4005
4006 /* add configured firmware directories */
4007 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4008 for (i = 0; dirs[i] != NULL; i++) {
4009 qemu_add_data_dir(dirs[i]);
4010 }
4011 g_strfreev(dirs);
4012
4013 /* try to find datadir relative to the executable path */
4014 dir = os_find_datadir();
4015 qemu_add_data_dir(dir);
4016 g_free(dir);
4017
4018 /* add the datadir specified when building */
4019 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4020
4021 /* -L help lists the data directories and exits. */
4022 if (list_data_dirs) {
4023 for (i = 0; i < data_dir_idx; i++) {
4024 printf("%s\n", data_dir[i]);
4025 }
4026 exit(0);
4027 }
4028
4029 /* machine_class: default to UP */
4030 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4031 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4032 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4033
4034 /* default to machine_class->default_cpus */
4035 smp_cpus = machine_class->default_cpus;
4036 max_cpus = machine_class->default_cpus;
4037
4038 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4039
4040 /* sanity-check smp_cpus and max_cpus against machine_class */
4041 if (smp_cpus < machine_class->min_cpus) {
4042 error_report("Invalid SMP CPUs %d. The min CPUs "
4043 "supported by machine '%s' is %d", smp_cpus,
4044 machine_class->name, machine_class->min_cpus);
4045 exit(1);
4046 }
4047 if (max_cpus > machine_class->max_cpus) {
4048 error_report("Invalid SMP CPUs %d. The max CPUs "
4049 "supported by machine '%s' is %d", max_cpus,
4050 machine_class->name, machine_class->max_cpus);
4051 exit(1);
4052 }
4053
4054 /*
4055 * Get the default machine options from the machine if it is not already
4056 * specified either by the configuration file or by the command line.
4057 */
4058 if (machine_class->default_machine_opts) {
4059 qemu_opts_set_defaults(qemu_find_opts("machine"),
4060 machine_class->default_machine_opts, 0);
4061 }
4062
4063 qemu_opts_foreach(qemu_find_opts("device"),
4064 default_driver_check, NULL, NULL);
4065 qemu_opts_foreach(qemu_find_opts("global"),
4066 default_driver_check, NULL, NULL);
4067
4068 if (!vga_model && !default_vga) {
4069 vga_interface_type = VGA_DEVICE;
4070 }
4071 if (!has_defaults || machine_class->no_serial) {
4072 default_serial = 0;
4073 }
4074 if (!has_defaults || machine_class->no_parallel) {
4075 default_parallel = 0;
4076 }
4077 if (!has_defaults || !machine_class->use_virtcon) {
4078 default_virtcon = 0;
4079 }
4080 if (!has_defaults || machine_class->no_floppy) {
4081 default_floppy = 0;
4082 }
4083 if (!has_defaults || machine_class->no_cdrom) {
4084 default_cdrom = 0;
4085 }
4086 if (!has_defaults || machine_class->no_sdcard) {
4087 default_sdcard = 0;
4088 }
4089 if (!has_defaults) {
4090 default_monitor = 0;
4091 default_net = 0;
4092 default_vga = 0;
4093 }
4094
4095 if (is_daemonized()) {
4096 if (!preconfig_exit_requested) {
4097 error_report("'preconfig' and 'daemonize' options are "
4098 "mutually exclusive");
4099 exit(EXIT_FAILURE);
4100 }
4101
4102 /* According to documentation and historically, -nographic redirects
4103 * serial port, parallel port and monitor to stdio, which does not work
4104 * with -daemonize. We can redirect these to null instead, but since
4105 * -nographic is legacy, let's just error out.
4106 * We disallow -nographic only if all other ports are not redirected
4107 * explicitly, to not break existing legacy setups which uses
4108 * -nographic _and_ redirects all ports explicitly - this is valid
4109 * usage, -nographic is just a no-op in this case.
4110 */
4111 if (nographic
4112 && (default_parallel || default_serial
4113 || default_monitor || default_virtcon)) {
4114 error_report("-nographic cannot be used with -daemonize");
4115 exit(1);
4116 }
4117 #ifdef CONFIG_CURSES
4118 if (dpy.type == DISPLAY_TYPE_CURSES) {
4119 error_report("curses display cannot be used with -daemonize");
4120 exit(1);
4121 }
4122 #endif
4123 }
4124
4125 if (nographic) {
4126 if (default_parallel)
4127 add_device_config(DEV_PARALLEL, "null");
4128 if (default_serial && default_monitor) {
4129 add_device_config(DEV_SERIAL, "mon:stdio");
4130 } else if (default_virtcon && default_monitor) {
4131 add_device_config(DEV_VIRTCON, "mon:stdio");
4132 } else {
4133 if (default_serial)
4134 add_device_config(DEV_SERIAL, "stdio");
4135 if (default_virtcon)
4136 add_device_config(DEV_VIRTCON, "stdio");
4137 if (default_monitor)
4138 monitor_parse("stdio", "readline", false);
4139 }
4140 } else {
4141 if (default_serial)
4142 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4143 if (default_parallel)
4144 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4145 if (default_monitor)
4146 monitor_parse("vc:80Cx24C", "readline", false);
4147 if (default_virtcon)
4148 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4149 }
4150
4151 #if defined(CONFIG_VNC)
4152 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4153 display_remote++;
4154 }
4155 #endif
4156 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4157 if (!qemu_display_find_default(&dpy)) {
4158 dpy.type = DISPLAY_TYPE_NONE;
4159 #if defined(CONFIG_VNC)
4160 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4161 #endif
4162 }
4163 }
4164 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4165 dpy.type = DISPLAY_TYPE_NONE;
4166 }
4167
4168 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4169 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4170 "for SDL, ignoring option");
4171 }
4172 if (dpy.has_window_close &&
4173 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4174 error_report("-no-quit is only valid for GTK and SDL, "
4175 "ignoring option");
4176 }
4177
4178 qemu_display_early_init(&dpy);
4179 qemu_console_early_init();
4180
4181 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4182 #if defined(CONFIG_OPENGL)
4183 error_report("OpenGL is not supported by the display");
4184 #else
4185 error_report("OpenGL support is disabled");
4186 #endif
4187 exit(1);
4188 }
4189
4190 page_size_init();
4191 socket_init();
4192
4193 if (qemu_opts_foreach(qemu_find_opts("object"),
4194 user_creatable_add_opts_foreach,
4195 object_create_initial, NULL)) {
4196 exit(1);
4197 }
4198
4199 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4200 chardev_init_func, NULL, NULL)) {
4201 exit(1);
4202 }
4203
4204 #ifdef CONFIG_VIRTFS
4205 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4206 fsdev_init_func, NULL, NULL)) {
4207 exit(1);
4208 }
4209 #endif
4210
4211 if (qemu_opts_foreach(qemu_find_opts("device"),
4212 device_help_func, NULL, NULL)) {
4213 exit(0);
4214 }
4215
4216 machine_opts = qemu_get_machine_opts();
4217 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4218 NULL)) {
4219 object_unref(OBJECT(current_machine));
4220 exit(1);
4221 }
4222
4223 configure_accelerator(current_machine);
4224
4225 if (!qtest_enabled() && machine_class->deprecation_reason) {
4226 error_report("Machine type '%s' is deprecated: %s",
4227 machine_class->name, machine_class->deprecation_reason);
4228 }
4229
4230 /*
4231 * Register all the global properties, including accel properties,
4232 * machine properties, and user-specified ones.
4233 */
4234 register_global_properties(current_machine);
4235
4236 /*
4237 * Migration object can only be created after global properties
4238 * are applied correctly.
4239 */
4240 migration_object_init();
4241
4242 if (qtest_chrdev) {
4243 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4244 }
4245
4246 machine_opts = qemu_get_machine_opts();
4247 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4248 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4249 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4250 bios_name = qemu_opt_get(machine_opts, "firmware");
4251
4252 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4253 if (opts) {
4254 boot_order = qemu_opt_get(opts, "order");
4255 if (boot_order) {
4256 validate_bootdevices(boot_order, &error_fatal);
4257 }
4258
4259 boot_once = qemu_opt_get(opts, "once");
4260 if (boot_once) {
4261 validate_bootdevices(boot_once, &error_fatal);
4262 }
4263
4264 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4265 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4266 }
4267
4268 if (!boot_order) {
4269 boot_order = machine_class->default_boot_order;
4270 }
4271
4272 if (!kernel_cmdline) {
4273 kernel_cmdline = "";
4274 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4275 }
4276
4277 linux_boot = (kernel_filename != NULL);
4278
4279 if (!linux_boot && *kernel_cmdline != '\0') {
4280 error_report("-append only allowed with -kernel option");
4281 exit(1);
4282 }
4283
4284 if (!linux_boot && initrd_filename != NULL) {
4285 error_report("-initrd only allowed with -kernel option");
4286 exit(1);
4287 }
4288
4289 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4290 /* fall back to the -kernel/-append */
4291 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4292 }
4293
4294 os_set_line_buffering();
4295
4296 /* spice needs the timers to be initialized by this point */
4297 qemu_spice_init();
4298
4299 cpu_ticks_init();
4300 if (icount_opts) {
4301 if (!tcg_enabled()) {
4302 error_report("-icount is not allowed with hardware virtualization");
4303 exit(1);
4304 }
4305 configure_icount(icount_opts, &error_abort);
4306 qemu_opts_del(icount_opts);
4307 }
4308
4309 if (tcg_enabled()) {
4310 qemu_tcg_configure(accel_opts, &error_fatal);
4311 }
4312
4313 if (default_net) {
4314 QemuOptsList *net = qemu_find_opts("net");
4315 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4316 #ifdef CONFIG_SLIRP
4317 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4318 #endif
4319 }
4320
4321 colo_info_init();
4322
4323 if (net_init_clients(&err) < 0) {
4324 error_report_err(err);
4325 exit(1);
4326 }
4327
4328 if (qemu_opts_foreach(qemu_find_opts("object"),
4329 user_creatable_add_opts_foreach,
4330 object_create_delayed, NULL)) {
4331 exit(1);
4332 }
4333
4334 if (tpm_init() < 0) {
4335 exit(1);
4336 }
4337
4338 /* init the bluetooth world */
4339 if (foreach_device_config(DEV_BT, bt_parse))
4340 exit(1);
4341
4342 if (!xen_enabled()) {
4343 /* On 32-bit hosts, QEMU is limited by virtual address space */
4344 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4345 error_report("at most 2047 MB RAM can be simulated");
4346 exit(1);
4347 }
4348 }
4349
4350 blk_mig_init();
4351 ram_mig_init();
4352 dirty_bitmap_mig_init();
4353
4354 /* If the currently selected machine wishes to override the units-per-bus
4355 * property of its default HBA interface type, do so now. */
4356 if (machine_class->units_per_default_bus) {
4357 override_max_devs(machine_class->block_default_type,
4358 machine_class->units_per_default_bus);
4359 }
4360
4361 /* open the virtual block devices */
4362 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4363 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4364
4365 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4366 loc_push_restore(&bdo->loc);
4367 qmp_blockdev_add(bdo->bdo, &error_fatal);
4368 loc_pop(&bdo->loc);
4369 qapi_free_BlockdevOptions(bdo->bdo);
4370 g_free(bdo);
4371 }
4372 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4373 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4374 NULL, NULL);
4375 }
4376 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4377 &machine_class->block_default_type, NULL)) {
4378 exit(1);
4379 }
4380
4381 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4382 CDROM_OPTS);
4383 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4384 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4385
4386 if (qemu_opts_foreach(qemu_find_opts("mon"),
4387 mon_init_func, NULL, NULL)) {
4388 exit(1);
4389 }
4390
4391 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4392 exit(1);
4393 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4394 exit(1);
4395 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4396 exit(1);
4397 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4398 exit(1);
4399
4400 /* If no default VGA is requested, the default is "none". */
4401 if (default_vga) {
4402 if (machine_class->default_display) {
4403 vga_model = machine_class->default_display;
4404 } else if (vga_interface_available(VGA_CIRRUS)) {
4405 vga_model = "cirrus";
4406 } else if (vga_interface_available(VGA_STD)) {
4407 vga_model = "std";
4408 }
4409 }
4410 if (vga_model) {
4411 select_vgahw(vga_model);
4412 }
4413
4414 if (watchdog) {
4415 i = select_watchdog(watchdog);
4416 if (i > 0)
4417 exit (i == 1 ? 1 : 0);
4418 }
4419
4420 /* This checkpoint is required by replay to separate prior clock
4421 reading from the other reads, because timer polling functions query
4422 clock values from the log. */
4423 replay_checkpoint(CHECKPOINT_INIT);
4424 qdev_machine_init();
4425
4426 current_machine->ram_size = ram_size;
4427 current_machine->maxram_size = maxram_size;
4428 current_machine->ram_slots = ram_slots;
4429 current_machine->boot_order = boot_order;
4430
4431 /* parse features once if machine provides default cpu_type */
4432 current_machine->cpu_type = machine_class->default_cpu_type;
4433 if (cpu_model) {
4434 current_machine->cpu_type = parse_cpu_model(cpu_model);
4435 }
4436 parse_numa_opts(current_machine);
4437
4438 /* do monitor/qmp handling at preconfig state if requested */
4439 main_loop();
4440
4441 /* from here on runstate is RUN_STATE_PRELAUNCH */
4442 machine_run_board_init(current_machine);
4443
4444 realtime_init();
4445
4446 soundhw_init();
4447
4448 if (hax_enabled()) {
4449 hax_sync_vcpus();
4450 }
4451
4452 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4453 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4454 exit(1);
4455 }
4456
4457 /* init USB devices */
4458 if (machine_usb(current_machine)) {
4459 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4460 exit(1);
4461 }
4462
4463 /* Check if IGD GFX passthrough. */
4464 igd_gfx_passthru();
4465
4466 /* init generic devices */
4467 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4468 if (qemu_opts_foreach(qemu_find_opts("device"),
4469 device_init_func, NULL, NULL)) {
4470 exit(1);
4471 }
4472
4473 cpu_synchronize_all_post_init();
4474
4475 rom_reset_order_override();
4476
4477 /* Did we create any drives that we failed to create a device for? */
4478 drive_check_orphaned();
4479
4480 /* Don't warn about the default network setup that you get if
4481 * no command line -net or -netdev options are specified. There
4482 * are two cases that we would otherwise complain about:
4483 * (1) board doesn't support a NIC but the implicit "-net nic"
4484 * requested one
4485 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4486 * sets up a nic that isn't connected to anything.
4487 */
4488 if (!default_net && (!qtest_enabled() || has_defaults)) {
4489 net_check_clients();
4490 }
4491
4492 if (boot_once) {
4493 qemu_boot_set(boot_once, &error_fatal);
4494 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4495 }
4496
4497 /* init local displays */
4498 ds = init_displaystate();
4499 qemu_display_init(ds, &dpy);
4500
4501 /* must be after terminal init, SDL library changes signal handlers */
4502 os_setup_signal_handling();
4503
4504 /* init remote displays */
4505 #ifdef CONFIG_VNC
4506 qemu_opts_foreach(qemu_find_opts("vnc"),
4507 vnc_init_func, NULL, NULL);
4508 #endif
4509
4510 if (using_spice) {
4511 qemu_spice_display_init();
4512 }
4513
4514 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4515 exit(1);
4516 }
4517
4518 qdev_machine_creation_done();
4519
4520 /* TODO: once all bus devices are qdevified, this should be done
4521 * when bus is created by qdev.c */
4522 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4523 qemu_run_machine_init_done_notifiers();
4524
4525 if (rom_check_and_register_reset() != 0) {
4526 error_report("rom check and register reset failed");
4527 exit(1);
4528 }
4529
4530 replay_start();
4531
4532 /* This checkpoint is required by replay to separate prior clock
4533 reading from the other reads, because timer polling functions query
4534 clock values from the log. */
4535 replay_checkpoint(CHECKPOINT_RESET);
4536 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4537 register_global_state();
4538 if (loadvm) {
4539 Error *local_err = NULL;
4540 if (load_snapshot(loadvm, &local_err) < 0) {
4541 error_report_err(local_err);
4542 autostart = 0;
4543 exit(1);
4544 }
4545 }
4546 if (replay_mode != REPLAY_MODE_NONE) {
4547 replay_vmstate_init();
4548 }
4549
4550 qdev_prop_check_globals();
4551 if (vmstate_dump_file) {
4552 /* dump and exit */
4553 dump_vmstate_json_to_file(vmstate_dump_file);
4554 return 0;
4555 }
4556
4557 if (incoming) {
4558 Error *local_err = NULL;
4559 qemu_start_incoming_migration(incoming, &local_err);
4560 if (local_err) {
4561 error_reportf_err(local_err, "-incoming %s: ", incoming);
4562 exit(1);
4563 }
4564 } else if (autostart) {
4565 vm_start();
4566 }
4567
4568 accel_setup_post(current_machine);
4569 os_setup_post();
4570
4571 main_loop();
4572
4573 gdbserver_cleanup();
4574
4575 /* No more vcpu or device emulation activity beyond this point */
4576 vm_shutdown();
4577
4578 job_cancel_sync_all();
4579 bdrv_close_all();
4580
4581 res_free();
4582
4583 /* vhost-user must be cleaned up before chardevs. */
4584 tpm_cleanup();
4585 net_cleanup();
4586 audio_cleanup();
4587 monitor_cleanup();
4588 qemu_chr_cleanup();
4589 user_creatable_cleanup();
4590 migration_object_finalize();
4591 /* TODO: unref root container, check all devices are ok */
4592
4593 return 0;
4594 }
QEmu