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1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/firmware/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109 #include "trace-root.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/arch_init.h"
113
114 #include "ui/qemu-spice.h"
115 #include "qapi/string-input-visitor.h"
116 #include "qapi/opts-visitor.h"
117 #include "qapi/clone-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "hw/semihosting/semihost.h"
120 #include "crypto/init.h"
121 #include "sysemu/replay.h"
122 #include "qapi/qapi-events-run-state.h"
123 #include "qapi/qapi-visit-block-core.h"
124 #include "qapi/qapi-visit-ui.h"
125 #include "qapi/qapi-commands-block-core.h"
126 #include "qapi/qapi-commands-misc.h"
127 #include "qapi/qapi-commands-run-state.h"
128 #include "qapi/qapi-commands-ui.h"
129 #include "qapi/qmp/qerror.h"
130 #include "sysemu/iothread.h"
131 #include "qemu/guest-random.h"
132
133 #define MAX_VIRTIO_CONSOLES 1
134
135 static const char *data_dir[16];
136 static int data_dir_idx;
137 const char *bios_name = NULL;
138 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
139 int display_opengl;
140 const char* keyboard_layout = NULL;
141 ram_addr_t ram_size;
142 const char *mem_path = NULL;
143 int mem_prealloc = 0; /* force preallocation of physical target memory */
144 bool enable_mlock = false;
145 bool enable_cpu_pm = false;
146 int nb_nics;
147 NICInfo nd_table[MAX_NICS];
148 int autostart;
149 static enum {
150 RTC_BASE_UTC,
151 RTC_BASE_LOCALTIME,
152 RTC_BASE_DATETIME,
153 } rtc_base_type = RTC_BASE_UTC;
154 static time_t rtc_ref_start_datetime;
155 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
156 static int rtc_host_datetime_offset = -1; /* valid & used only with
157 RTC_BASE_DATETIME */
158 QEMUClockType rtc_clock;
159 int vga_interface_type = VGA_NONE;
160 static DisplayOptions dpy;
161 static int num_serial_hds;
162 static Chardev **serial_hds;
163 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
164 int win2k_install_hack = 0;
165 int singlestep = 0;
166 int smp_cpus;
167 unsigned int max_cpus;
168 int smp_cores = 1;
169 int smp_threads = 1;
170 int acpi_enabled = 1;
171 int no_hpet = 0;
172 int fd_bootchk = 1;
173 static int no_reboot;
174 int no_shutdown = 0;
175 int cursor_hide = 1;
176 int graphic_rotate = 0;
177 const char *watchdog;
178 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
179 int nb_option_roms;
180 int old_param = 0;
181 const char *qemu_name;
182 int alt_grab = 0;
183 int ctrl_grab = 0;
184 unsigned int nb_prom_envs = 0;
185 const char *prom_envs[MAX_PROM_ENVS];
186 int boot_menu;
187 bool boot_strict;
188 uint8_t *boot_splash_filedata;
189 int only_migratable; /* turn it off unless user states otherwise */
190 bool wakeup_suspend_enabled;
191
192 int icount_align_option;
193
194 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
195 * little-endian "wire format" described in the SMBIOS 2.6 specification.
196 */
197 QemuUUID qemu_uuid;
198 bool qemu_uuid_set;
199
200 static NotifierList exit_notifiers =
201 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
202
203 static NotifierList machine_init_done_notifiers =
204 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
205
206 bool xen_allowed;
207 uint32_t xen_domid;
208 enum xen_mode xen_mode = XEN_EMULATE;
209 bool xen_domid_restrict;
210
211 static int has_defaults = 1;
212 static int default_serial = 1;
213 static int default_parallel = 1;
214 static int default_monitor = 1;
215 static int default_floppy = 1;
216 static int default_cdrom = 1;
217 static int default_sdcard = 1;
218 static int default_vga = 1;
219 static int default_net = 1;
220
221 static struct {
222 const char *driver;
223 int *flag;
224 } default_list[] = {
225 { .driver = "isa-serial", .flag = &default_serial },
226 { .driver = "isa-parallel", .flag = &default_parallel },
227 { .driver = "isa-fdc", .flag = &default_floppy },
228 { .driver = "floppy", .flag = &default_floppy },
229 { .driver = "ide-cd", .flag = &default_cdrom },
230 { .driver = "ide-hd", .flag = &default_cdrom },
231 { .driver = "ide-drive", .flag = &default_cdrom },
232 { .driver = "scsi-cd", .flag = &default_cdrom },
233 { .driver = "scsi-hd", .flag = &default_cdrom },
234 { .driver = "VGA", .flag = &default_vga },
235 { .driver = "isa-vga", .flag = &default_vga },
236 { .driver = "cirrus-vga", .flag = &default_vga },
237 { .driver = "isa-cirrus-vga", .flag = &default_vga },
238 { .driver = "vmware-svga", .flag = &default_vga },
239 { .driver = "qxl-vga", .flag = &default_vga },
240 { .driver = "virtio-vga", .flag = &default_vga },
241 { .driver = "ati-vga", .flag = &default_vga },
242 { .driver = "vhost-user-vga", .flag = &default_vga },
243 };
244
245 static QemuOptsList qemu_rtc_opts = {
246 .name = "rtc",
247 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
248 .merge_lists = true,
249 .desc = {
250 {
251 .name = "base",
252 .type = QEMU_OPT_STRING,
253 },{
254 .name = "clock",
255 .type = QEMU_OPT_STRING,
256 },{
257 .name = "driftfix",
258 .type = QEMU_OPT_STRING,
259 },
260 { /* end of list */ }
261 },
262 };
263
264 static QemuOptsList qemu_option_rom_opts = {
265 .name = "option-rom",
266 .implied_opt_name = "romfile",
267 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
268 .desc = {
269 {
270 .name = "bootindex",
271 .type = QEMU_OPT_NUMBER,
272 }, {
273 .name = "romfile",
274 .type = QEMU_OPT_STRING,
275 },
276 { /* end of list */ }
277 },
278 };
279
280 static QemuOptsList qemu_machine_opts = {
281 .name = "machine",
282 .implied_opt_name = "type",
283 .merge_lists = true,
284 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
285 .desc = {
286 /*
287 * no elements => accept any
288 * sanity checking will happen later
289 * when setting machine properties
290 */
291 { }
292 },
293 };
294
295 static QemuOptsList qemu_accel_opts = {
296 .name = "accel",
297 .implied_opt_name = "accel",
298 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
299 .merge_lists = true,
300 .desc = {
301 {
302 .name = "accel",
303 .type = QEMU_OPT_STRING,
304 .help = "Select the type of accelerator",
305 },
306 {
307 .name = "thread",
308 .type = QEMU_OPT_STRING,
309 .help = "Enable/disable multi-threaded TCG",
310 },
311 { /* end of list */ }
312 },
313 };
314
315 static QemuOptsList qemu_boot_opts = {
316 .name = "boot-opts",
317 .implied_opt_name = "order",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
320 .desc = {
321 {
322 .name = "order",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "once",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "menu",
329 .type = QEMU_OPT_BOOL,
330 }, {
331 .name = "splash",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "splash-time",
335 .type = QEMU_OPT_NUMBER,
336 }, {
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_NUMBER,
339 }, {
340 .name = "strict",
341 .type = QEMU_OPT_BOOL,
342 },
343 { /*End of list */ }
344 },
345 };
346
347 static QemuOptsList qemu_add_fd_opts = {
348 .name = "add-fd",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
350 .desc = {
351 {
352 .name = "fd",
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
355 },{
356 .name = "set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
359 },{
360 .name = "opaque",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_object_opts = {
369 .name = "object",
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
372 .desc = {
373 { }
374 },
375 };
376
377 static QemuOptsList qemu_tpmdev_opts = {
378 .name = "tpmdev",
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
381 .desc = {
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_realtime_opts = {
388 .name = "realtime",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
390 .desc = {
391 {
392 .name = "mlock",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_overcommit_opts = {
400 .name = "overcommit",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
402 .desc = {
403 {
404 .name = "mem-lock",
405 .type = QEMU_OPT_BOOL,
406 },
407 {
408 .name = "cpu-pm",
409 .type = QEMU_OPT_BOOL,
410 },
411 { /* end of list */ }
412 },
413 };
414
415 static QemuOptsList qemu_msg_opts = {
416 .name = "msg",
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
418 .desc = {
419 {
420 .name = "timestamp",
421 .type = QEMU_OPT_BOOL,
422 },
423 { /* end of list */ }
424 },
425 };
426
427 static QemuOptsList qemu_name_opts = {
428 .name = "name",
429 .implied_opt_name = "guest",
430 .merge_lists = true,
431 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
432 .desc = {
433 {
434 .name = "guest",
435 .type = QEMU_OPT_STRING,
436 .help = "Sets the name of the guest.\n"
437 "This name will be displayed in the SDL window caption.\n"
438 "The name will also be used for the VNC server",
439 }, {
440 .name = "process",
441 .type = QEMU_OPT_STRING,
442 .help = "Sets the name of the QEMU process, as shown in top etc",
443 }, {
444 .name = "debug-threads",
445 .type = QEMU_OPT_BOOL,
446 .help = "When enabled, name the individual threads; defaults off.\n"
447 "NOTE: The thread names are for debugging and not a\n"
448 "stable API.",
449 },
450 { /* End of list */ }
451 },
452 };
453
454 static QemuOptsList qemu_mem_opts = {
455 .name = "memory",
456 .implied_opt_name = "size",
457 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
458 .merge_lists = true,
459 .desc = {
460 {
461 .name = "size",
462 .type = QEMU_OPT_SIZE,
463 },
464 {
465 .name = "slots",
466 .type = QEMU_OPT_NUMBER,
467 },
468 {
469 .name = "maxmem",
470 .type = QEMU_OPT_SIZE,
471 },
472 { /* end of list */ }
473 },
474 };
475
476 static QemuOptsList qemu_icount_opts = {
477 .name = "icount",
478 .implied_opt_name = "shift",
479 .merge_lists = true,
480 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
481 .desc = {
482 {
483 .name = "shift",
484 .type = QEMU_OPT_STRING,
485 }, {
486 .name = "align",
487 .type = QEMU_OPT_BOOL,
488 }, {
489 .name = "sleep",
490 .type = QEMU_OPT_BOOL,
491 }, {
492 .name = "rr",
493 .type = QEMU_OPT_STRING,
494 }, {
495 .name = "rrfile",
496 .type = QEMU_OPT_STRING,
497 }, {
498 .name = "rrsnapshot",
499 .type = QEMU_OPT_STRING,
500 },
501 { /* end of list */ }
502 },
503 };
504
505 static QemuOptsList qemu_fw_cfg_opts = {
506 .name = "fw_cfg",
507 .implied_opt_name = "name",
508 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
509 .desc = {
510 {
511 .name = "name",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the fw_cfg name of the blob to be inserted",
514 }, {
515 .name = "file",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the name of the file from which "
518 "the fw_cfg blob will be loaded",
519 }, {
520 .name = "string",
521 .type = QEMU_OPT_STRING,
522 .help = "Sets content of the blob to be inserted from a string",
523 },
524 { /* end of list */ }
525 },
526 };
527
528 /**
529 * Get machine options
530 *
531 * Returns: machine options (never null).
532 */
533 QemuOpts *qemu_get_machine_opts(void)
534 {
535 return qemu_find_opts_singleton("machine");
536 }
537
538 const char *qemu_get_vm_name(void)
539 {
540 return qemu_name;
541 }
542
543 static void res_free(void)
544 {
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
547 }
548
549 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
550 {
551 const char *driver = qemu_opt_get(opts, "driver");
552 int i;
553
554 if (!driver)
555 return 0;
556 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
557 if (strcmp(default_list[i].driver, driver) != 0)
558 continue;
559 *(default_list[i].flag) = 0;
560 }
561 return 0;
562 }
563
564 /***********************************************************/
565 /* QEMU state */
566
567 static RunState current_run_state = RUN_STATE_PRECONFIG;
568
569 /* We use RUN_STATE__MAX but any invalid value will do */
570 static RunState vmstop_requested = RUN_STATE__MAX;
571 static QemuMutex vmstop_lock;
572
573 typedef struct {
574 RunState from;
575 RunState to;
576 } RunStateTransition;
577
578 static const RunStateTransition runstate_transitions_def[] = {
579 /* from -> to */
580 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
581 /* Early switch to inmigrate state to allow -incoming CLI option work
582 * as it used to. TODO: delay actual switching to inmigrate state to
583 * the point after machine is built and remove this hack.
584 */
585 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
586
587 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
588 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
589 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
590
591 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
592 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
593 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
595 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
596 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
597 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
598 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
599 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
600 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
601 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
602 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
603
604 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
605 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
607
608 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
609 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
611
612 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
613 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
615 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
616 { RUN_STATE_PAUSED, RUN_STATE_COLO},
617
618 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
619 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
623 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
625
626 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
627 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
628 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
629 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
630 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
631
632 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
633 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
634
635 { RUN_STATE_COLO, RUN_STATE_RUNNING },
636
637 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
638 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
639 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
640 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
641 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
642 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
643 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
644 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
645 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
646 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
647 { RUN_STATE_RUNNING, RUN_STATE_COLO},
648
649 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
650
651 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
652 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
653 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
654
655 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
656 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
657 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
658 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
659 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
660 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
661
662 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
663 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
664 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
665 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
666
667 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
668 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
669 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
670
671 { RUN_STATE__MAX, RUN_STATE__MAX },
672 };
673
674 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
675
676 bool runstate_check(RunState state)
677 {
678 return current_run_state == state;
679 }
680
681 bool runstate_store(char *str, size_t size)
682 {
683 const char *state = RunState_str(current_run_state);
684 size_t len = strlen(state) + 1;
685
686 if (len > size) {
687 return false;
688 }
689 memcpy(str, state, len);
690 return true;
691 }
692
693 static void runstate_init(void)
694 {
695 const RunStateTransition *p;
696
697 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
698 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
699 runstate_valid_transitions[p->from][p->to] = true;
700 }
701
702 qemu_mutex_init(&vmstop_lock);
703 }
704
705 /* This function will abort() on invalid state transitions */
706 void runstate_set(RunState new_state)
707 {
708 assert(new_state < RUN_STATE__MAX);
709
710 trace_runstate_set(current_run_state, RunState_str(current_run_state),
711 new_state, RunState_str(new_state));
712
713 if (current_run_state == new_state) {
714 return;
715 }
716
717 if (!runstate_valid_transitions[current_run_state][new_state]) {
718 error_report("invalid runstate transition: '%s' -> '%s'",
719 RunState_str(current_run_state),
720 RunState_str(new_state));
721 abort();
722 }
723
724 current_run_state = new_state;
725 }
726
727 int runstate_is_running(void)
728 {
729 return runstate_check(RUN_STATE_RUNNING);
730 }
731
732 bool runstate_needs_reset(void)
733 {
734 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
735 runstate_check(RUN_STATE_SHUTDOWN);
736 }
737
738 StatusInfo *qmp_query_status(Error **errp)
739 {
740 StatusInfo *info = g_malloc0(sizeof(*info));
741
742 info->running = runstate_is_running();
743 info->singlestep = singlestep;
744 info->status = current_run_state;
745
746 return info;
747 }
748
749 bool qemu_vmstop_requested(RunState *r)
750 {
751 qemu_mutex_lock(&vmstop_lock);
752 *r = vmstop_requested;
753 vmstop_requested = RUN_STATE__MAX;
754 qemu_mutex_unlock(&vmstop_lock);
755 return *r < RUN_STATE__MAX;
756 }
757
758 void qemu_system_vmstop_request_prepare(void)
759 {
760 qemu_mutex_lock(&vmstop_lock);
761 }
762
763 void qemu_system_vmstop_request(RunState state)
764 {
765 vmstop_requested = state;
766 qemu_mutex_unlock(&vmstop_lock);
767 qemu_notify_event();
768 }
769
770 /***********************************************************/
771 /* RTC reference time/date access */
772 static time_t qemu_ref_timedate(QEMUClockType clock)
773 {
774 time_t value = qemu_clock_get_ms(clock) / 1000;
775 switch (clock) {
776 case QEMU_CLOCK_REALTIME:
777 value -= rtc_realtime_clock_offset;
778 /* no break */
779 case QEMU_CLOCK_VIRTUAL:
780 value += rtc_ref_start_datetime;
781 break;
782 case QEMU_CLOCK_HOST:
783 if (rtc_base_type == RTC_BASE_DATETIME) {
784 value -= rtc_host_datetime_offset;
785 }
786 break;
787 default:
788 assert(0);
789 }
790 return value;
791 }
792
793 void qemu_get_timedate(struct tm *tm, int offset)
794 {
795 time_t ti = qemu_ref_timedate(rtc_clock);
796
797 ti += offset;
798
799 switch (rtc_base_type) {
800 case RTC_BASE_DATETIME:
801 case RTC_BASE_UTC:
802 gmtime_r(&ti, tm);
803 break;
804 case RTC_BASE_LOCALTIME:
805 localtime_r(&ti, tm);
806 break;
807 }
808 }
809
810 int qemu_timedate_diff(struct tm *tm)
811 {
812 time_t seconds;
813
814 switch (rtc_base_type) {
815 case RTC_BASE_DATETIME:
816 case RTC_BASE_UTC:
817 seconds = mktimegm(tm);
818 break;
819 case RTC_BASE_LOCALTIME:
820 {
821 struct tm tmp = *tm;
822 tmp.tm_isdst = -1; /* use timezone to figure it out */
823 seconds = mktime(&tmp);
824 break;
825 }
826 default:
827 abort();
828 }
829
830 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
831 }
832
833 static void configure_rtc_base_datetime(const char *startdate)
834 {
835 time_t rtc_start_datetime;
836 struct tm tm;
837
838 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
839 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
840 /* OK */
841 } else if (sscanf(startdate, "%d-%d-%d",
842 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
843 tm.tm_hour = 0;
844 tm.tm_min = 0;
845 tm.tm_sec = 0;
846 } else {
847 goto date_fail;
848 }
849 tm.tm_year -= 1900;
850 tm.tm_mon--;
851 rtc_start_datetime = mktimegm(&tm);
852 if (rtc_start_datetime == -1) {
853 date_fail:
854 error_report("invalid datetime format");
855 error_printf("valid formats: "
856 "'2006-06-17T16:01:21' or '2006-06-17'\n");
857 exit(1);
858 }
859 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
860 rtc_ref_start_datetime = rtc_start_datetime;
861 }
862
863 static void configure_rtc(QemuOpts *opts)
864 {
865 const char *value;
866
867 /* Set defaults */
868 rtc_clock = QEMU_CLOCK_HOST;
869 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
870 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
871
872 value = qemu_opt_get(opts, "base");
873 if (value) {
874 if (!strcmp(value, "utc")) {
875 rtc_base_type = RTC_BASE_UTC;
876 } else if (!strcmp(value, "localtime")) {
877 Error *blocker = NULL;
878 rtc_base_type = RTC_BASE_LOCALTIME;
879 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
880 "-rtc base=localtime");
881 replay_add_blocker(blocker);
882 } else {
883 rtc_base_type = RTC_BASE_DATETIME;
884 configure_rtc_base_datetime(value);
885 }
886 }
887 value = qemu_opt_get(opts, "clock");
888 if (value) {
889 if (!strcmp(value, "host")) {
890 rtc_clock = QEMU_CLOCK_HOST;
891 } else if (!strcmp(value, "rt")) {
892 rtc_clock = QEMU_CLOCK_REALTIME;
893 } else if (!strcmp(value, "vm")) {
894 rtc_clock = QEMU_CLOCK_VIRTUAL;
895 } else {
896 error_report("invalid option value '%s'", value);
897 exit(1);
898 }
899 }
900 value = qemu_opt_get(opts, "driftfix");
901 if (value) {
902 if (!strcmp(value, "slew")) {
903 static GlobalProperty slew_lost_ticks = {
904 .driver = "mc146818rtc",
905 .property = "lost_tick_policy",
906 .value = "slew",
907 };
908
909 qdev_prop_register_global(&slew_lost_ticks);
910 } else if (!strcmp(value, "none")) {
911 /* discard is default */
912 } else {
913 error_report("invalid option value '%s'", value);
914 exit(1);
915 }
916 }
917 }
918
919 /***********************************************************/
920 /* Bluetooth support */
921 static int nb_hcis;
922 static int cur_hci;
923 static struct HCIInfo *hci_table[MAX_NICS];
924
925 struct HCIInfo *qemu_next_hci(void)
926 {
927 if (cur_hci == nb_hcis)
928 return &null_hci;
929
930 return hci_table[cur_hci++];
931 }
932
933 static int bt_hci_parse(const char *str)
934 {
935 struct HCIInfo *hci;
936 bdaddr_t bdaddr;
937
938 if (nb_hcis >= MAX_NICS) {
939 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
940 return -1;
941 }
942
943 hci = hci_init(str);
944 if (!hci)
945 return -1;
946
947 bdaddr.b[0] = 0x52;
948 bdaddr.b[1] = 0x54;
949 bdaddr.b[2] = 0x00;
950 bdaddr.b[3] = 0x12;
951 bdaddr.b[4] = 0x34;
952 bdaddr.b[5] = 0x56 + nb_hcis;
953 hci->bdaddr_set(hci, bdaddr.b);
954
955 hci_table[nb_hcis++] = hci;
956
957 return 0;
958 }
959
960 static void bt_vhci_add(int vlan_id)
961 {
962 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
963
964 if (!vlan->slave)
965 warn_report("adding a VHCI to an empty scatternet %i",
966 vlan_id);
967
968 bt_vhci_init(bt_new_hci(vlan));
969 }
970
971 static struct bt_device_s *bt_device_add(const char *opt)
972 {
973 struct bt_scatternet_s *vlan;
974 int vlan_id = 0;
975 char *endp = strstr(opt, ",vlan=");
976 int len = (endp ? endp - opt : strlen(opt)) + 1;
977 char devname[10];
978
979 pstrcpy(devname, MIN(sizeof(devname), len), opt);
980
981 if (endp) {
982 vlan_id = strtol(endp + 6, &endp, 0);
983 if (*endp) {
984 error_report("unrecognised bluetooth vlan Id");
985 return 0;
986 }
987 }
988
989 vlan = qemu_find_bt_vlan(vlan_id);
990
991 if (!vlan->slave)
992 warn_report("adding a slave device to an empty scatternet %i",
993 vlan_id);
994
995 if (!strcmp(devname, "keyboard"))
996 return bt_keyboard_init(vlan);
997
998 error_report("unsupported bluetooth device '%s'", devname);
999 return 0;
1000 }
1001
1002 static int bt_parse(const char *opt)
1003 {
1004 const char *endp, *p;
1005 int vlan;
1006
1007 if (strstart(opt, "hci", &endp)) {
1008 if (!*endp || *endp == ',') {
1009 if (*endp)
1010 if (!strstart(endp, ",vlan=", 0))
1011 opt = endp + 1;
1012
1013 return bt_hci_parse(opt);
1014 }
1015 } else if (strstart(opt, "vhci", &endp)) {
1016 if (!*endp || *endp == ',') {
1017 if (*endp) {
1018 if (strstart(endp, ",vlan=", &p)) {
1019 vlan = strtol(p, (char **) &endp, 0);
1020 if (*endp) {
1021 error_report("bad scatternet '%s'", p);
1022 return 1;
1023 }
1024 } else {
1025 error_report("bad parameter '%s'", endp + 1);
1026 return 1;
1027 }
1028 } else
1029 vlan = 0;
1030
1031 bt_vhci_add(vlan);
1032 return 0;
1033 }
1034 } else if (strstart(opt, "device:", &endp))
1035 return !bt_device_add(endp);
1036
1037 error_report("bad bluetooth parameter '%s'", opt);
1038 return 1;
1039 }
1040
1041 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1042 {
1043 const char *proc_name;
1044
1045 if (qemu_opt_get(opts, "debug-threads")) {
1046 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1047 }
1048 qemu_name = qemu_opt_get(opts, "guest");
1049
1050 proc_name = qemu_opt_get(opts, "process");
1051 if (proc_name) {
1052 os_set_proc_name(proc_name);
1053 }
1054
1055 return 0;
1056 }
1057
1058 bool defaults_enabled(void)
1059 {
1060 return has_defaults;
1061 }
1062
1063 #ifndef _WIN32
1064 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1065 {
1066 int fd, dupfd, flags;
1067 int64_t fdset_id;
1068 const char *fd_opaque = NULL;
1069 AddfdInfo *fdinfo;
1070
1071 fd = qemu_opt_get_number(opts, "fd", -1);
1072 fdset_id = qemu_opt_get_number(opts, "set", -1);
1073 fd_opaque = qemu_opt_get(opts, "opaque");
1074
1075 if (fd < 0) {
1076 error_setg(errp, "fd option is required and must be non-negative");
1077 return -1;
1078 }
1079
1080 if (fd <= STDERR_FILENO) {
1081 error_setg(errp, "fd cannot be a standard I/O stream");
1082 return -1;
1083 }
1084
1085 /*
1086 * All fds inherited across exec() necessarily have FD_CLOEXEC
1087 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1088 */
1089 flags = fcntl(fd, F_GETFD);
1090 if (flags == -1 || (flags & FD_CLOEXEC)) {
1091 error_setg(errp, "fd is not valid or already in use");
1092 return -1;
1093 }
1094
1095 if (fdset_id < 0) {
1096 error_setg(errp, "set option is required and must be non-negative");
1097 return -1;
1098 }
1099
1100 #ifdef F_DUPFD_CLOEXEC
1101 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1102 #else
1103 dupfd = dup(fd);
1104 if (dupfd != -1) {
1105 qemu_set_cloexec(dupfd);
1106 }
1107 #endif
1108 if (dupfd == -1) {
1109 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1110 return -1;
1111 }
1112
1113 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1114 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1115 &error_abort);
1116 g_free(fdinfo);
1117
1118 return 0;
1119 }
1120
1121 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1122 {
1123 int fd;
1124
1125 fd = qemu_opt_get_number(opts, "fd", -1);
1126 close(fd);
1127
1128 return 0;
1129 }
1130 #endif
1131
1132 /***********************************************************/
1133 /* QEMU Block devices */
1134
1135 #define HD_OPTS "media=disk"
1136 #define CDROM_OPTS "media=cdrom"
1137 #define FD_OPTS ""
1138 #define PFLASH_OPTS ""
1139 #define MTD_OPTS ""
1140 #define SD_OPTS ""
1141
1142 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1143 {
1144 BlockInterfaceType *block_default_type = opaque;
1145
1146 return drive_new(opts, *block_default_type, errp) == NULL;
1147 }
1148
1149 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1150 {
1151 if (qemu_opt_get(opts, "snapshot") == NULL) {
1152 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1153 }
1154 return 0;
1155 }
1156
1157 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1158 int index, const char *optstr)
1159 {
1160 QemuOpts *opts;
1161 DriveInfo *dinfo;
1162
1163 if (!enable || drive_get_by_index(type, index)) {
1164 return;
1165 }
1166
1167 opts = drive_add(type, index, NULL, optstr);
1168 if (snapshot) {
1169 drive_enable_snapshot(NULL, opts, NULL);
1170 }
1171
1172 dinfo = drive_new(opts, type, &error_abort);
1173 dinfo->is_default = true;
1174
1175 }
1176
1177 typedef struct BlockdevOptionsQueueEntry {
1178 BlockdevOptions *bdo;
1179 Location loc;
1180 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1181 } BlockdevOptionsQueueEntry;
1182
1183 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1184
1185 static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
1186 MachineClass *machine_class, int snapshot)
1187 {
1188 /*
1189 * If the currently selected machine wishes to override the
1190 * units-per-bus property of its default HBA interface type, do so
1191 * now.
1192 */
1193 if (machine_class->units_per_default_bus) {
1194 override_max_devs(machine_class->block_default_type,
1195 machine_class->units_per_default_bus);
1196 }
1197
1198 /* open the virtual block devices */
1199 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
1200 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
1201
1202 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
1203 loc_push_restore(&bdo->loc);
1204 qmp_blockdev_add(bdo->bdo, &error_fatal);
1205 loc_pop(&bdo->loc);
1206 qapi_free_BlockdevOptions(bdo->bdo);
1207 g_free(bdo);
1208 }
1209 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
1210 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
1211 NULL, NULL);
1212 }
1213 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
1214 &machine_class->block_default_type, &error_fatal)) {
1215 /* We printed help */
1216 exit(0);
1217 }
1218
1219 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
1220 CDROM_OPTS);
1221 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
1222 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
1223
1224 }
1225
1226 static QemuOptsList qemu_smp_opts = {
1227 .name = "smp-opts",
1228 .implied_opt_name = "cpus",
1229 .merge_lists = true,
1230 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1231 .desc = {
1232 {
1233 .name = "cpus",
1234 .type = QEMU_OPT_NUMBER,
1235 }, {
1236 .name = "sockets",
1237 .type = QEMU_OPT_NUMBER,
1238 }, {
1239 .name = "cores",
1240 .type = QEMU_OPT_NUMBER,
1241 }, {
1242 .name = "threads",
1243 .type = QEMU_OPT_NUMBER,
1244 }, {
1245 .name = "maxcpus",
1246 .type = QEMU_OPT_NUMBER,
1247 },
1248 { /*End of list */ }
1249 },
1250 };
1251
1252 static void smp_parse(QemuOpts *opts)
1253 {
1254 if (opts) {
1255 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1256 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1257 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1258 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1259
1260 /* compute missing values, prefer sockets over cores over threads */
1261 if (cpus == 0 || sockets == 0) {
1262 cores = cores > 0 ? cores : 1;
1263 threads = threads > 0 ? threads : 1;
1264 if (cpus == 0) {
1265 sockets = sockets > 0 ? sockets : 1;
1266 cpus = cores * threads * sockets;
1267 } else {
1268 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1269 sockets = max_cpus / (cores * threads);
1270 }
1271 } else if (cores == 0) {
1272 threads = threads > 0 ? threads : 1;
1273 cores = cpus / (sockets * threads);
1274 cores = cores > 0 ? cores : 1;
1275 } else if (threads == 0) {
1276 threads = cpus / (cores * sockets);
1277 threads = threads > 0 ? threads : 1;
1278 } else if (sockets * cores * threads < cpus) {
1279 error_report("cpu topology: "
1280 "sockets (%u) * cores (%u) * threads (%u) < "
1281 "smp_cpus (%u)",
1282 sockets, cores, threads, cpus);
1283 exit(1);
1284 }
1285
1286 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1287
1288 if (max_cpus < cpus) {
1289 error_report("maxcpus must be equal to or greater than smp");
1290 exit(1);
1291 }
1292
1293 if (sockets * cores * threads > max_cpus) {
1294 error_report("cpu topology: "
1295 "sockets (%u) * cores (%u) * threads (%u) > "
1296 "maxcpus (%u)",
1297 sockets, cores, threads, max_cpus);
1298 exit(1);
1299 }
1300
1301 if (sockets * cores * threads != max_cpus) {
1302 warn_report("Invalid CPU topology deprecated: "
1303 "sockets (%u) * cores (%u) * threads (%u) "
1304 "!= maxcpus (%u)",
1305 sockets, cores, threads, max_cpus);
1306 }
1307
1308 smp_cpus = cpus;
1309 smp_cores = cores;
1310 smp_threads = threads;
1311 }
1312
1313 if (smp_cpus > 1) {
1314 Error *blocker = NULL;
1315 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1316 replay_add_blocker(blocker);
1317 }
1318 }
1319
1320 static void realtime_init(void)
1321 {
1322 if (enable_mlock) {
1323 if (os_mlock() < 0) {
1324 error_report("locking memory failed");
1325 exit(1);
1326 }
1327 }
1328 }
1329
1330
1331 static void configure_msg(QemuOpts *opts)
1332 {
1333 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1334 }
1335
1336
1337 /* Now we still need this for compatibility with XEN. */
1338 bool has_igd_gfx_passthru;
1339 static void igd_gfx_passthru(void)
1340 {
1341 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1342 }
1343
1344 /***********************************************************/
1345 /* USB devices */
1346
1347 static int usb_device_add(const char *devname)
1348 {
1349 USBDevice *dev = NULL;
1350
1351 if (!machine_usb(current_machine)) {
1352 return -1;
1353 }
1354
1355 dev = usbdevice_create(devname);
1356 if (!dev)
1357 return -1;
1358
1359 return 0;
1360 }
1361
1362 static int usb_parse(const char *cmdline)
1363 {
1364 int r;
1365 r = usb_device_add(cmdline);
1366 if (r < 0) {
1367 error_report("could not add USB device '%s'", cmdline);
1368 }
1369 return r;
1370 }
1371
1372 /***********************************************************/
1373 /* machine registration */
1374
1375 MachineState *current_machine;
1376
1377 static MachineClass *find_machine(const char *name, GSList *machines)
1378 {
1379 GSList *el;
1380
1381 for (el = machines; el; el = el->next) {
1382 MachineClass *mc = el->data;
1383
1384 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
1385 return mc;
1386 }
1387 }
1388
1389 return NULL;
1390 }
1391
1392 static MachineClass *find_default_machine(GSList *machines)
1393 {
1394 GSList *el;
1395
1396 for (el = machines; el; el = el->next) {
1397 MachineClass *mc = el->data;
1398
1399 if (mc->is_default) {
1400 return mc;
1401 }
1402 }
1403
1404 return NULL;
1405 }
1406
1407 MachineInfoList *qmp_query_machines(Error **errp)
1408 {
1409 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1410 MachineInfoList *mach_list = NULL;
1411
1412 for (el = machines; el; el = el->next) {
1413 MachineClass *mc = el->data;
1414 MachineInfoList *entry;
1415 MachineInfo *info;
1416
1417 info = g_malloc0(sizeof(*info));
1418 if (mc->is_default) {
1419 info->has_is_default = true;
1420 info->is_default = true;
1421 }
1422
1423 if (mc->alias) {
1424 info->has_alias = true;
1425 info->alias = g_strdup(mc->alias);
1426 }
1427
1428 info->name = g_strdup(mc->name);
1429 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1430 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1431
1432 entry = g_malloc0(sizeof(*entry));
1433 entry->value = info;
1434 entry->next = mach_list;
1435 mach_list = entry;
1436 }
1437
1438 g_slist_free(machines);
1439 return mach_list;
1440 }
1441
1442 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1443 {
1444 ObjectProperty *prop;
1445 ObjectPropertyIterator iter;
1446
1447 if (!qemu_opt_has_help_opt(opts)) {
1448 return 0;
1449 }
1450
1451 object_property_iter_init(&iter, OBJECT(machine));
1452 while ((prop = object_property_iter_next(&iter))) {
1453 if (!prop->set) {
1454 continue;
1455 }
1456
1457 printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1458 prop->name, prop->type);
1459 if (prop->description) {
1460 printf(" (%s)\n", prop->description);
1461 } else {
1462 printf("\n");
1463 }
1464 }
1465
1466 return 1;
1467 }
1468
1469 struct vm_change_state_entry {
1470 VMChangeStateHandler *cb;
1471 void *opaque;
1472 QLIST_ENTRY (vm_change_state_entry) entries;
1473 };
1474
1475 static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head;
1476
1477 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1478 void *opaque)
1479 {
1480 VMChangeStateEntry *e;
1481
1482 e = g_malloc0(sizeof (*e));
1483
1484 e->cb = cb;
1485 e->opaque = opaque;
1486 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1487 return e;
1488 }
1489
1490 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1491 {
1492 QLIST_REMOVE (e, entries);
1493 g_free (e);
1494 }
1495
1496 void vm_state_notify(int running, RunState state)
1497 {
1498 VMChangeStateEntry *e, *next;
1499
1500 trace_vm_state_notify(running, state, RunState_str(state));
1501
1502 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1503 e->cb(e->opaque, running, state);
1504 }
1505 }
1506
1507 static ShutdownCause reset_requested;
1508 static ShutdownCause shutdown_requested;
1509 static int shutdown_signal;
1510 static pid_t shutdown_pid;
1511 static int powerdown_requested;
1512 static int debug_requested;
1513 static int suspend_requested;
1514 static bool preconfig_exit_requested = true;
1515 static WakeupReason wakeup_reason;
1516 static NotifierList powerdown_notifiers =
1517 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1518 static NotifierList suspend_notifiers =
1519 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1520 static NotifierList wakeup_notifiers =
1521 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1522 static NotifierList shutdown_notifiers =
1523 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1524 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1525
1526 ShutdownCause qemu_shutdown_requested_get(void)
1527 {
1528 return shutdown_requested;
1529 }
1530
1531 ShutdownCause qemu_reset_requested_get(void)
1532 {
1533 return reset_requested;
1534 }
1535
1536 static int qemu_shutdown_requested(void)
1537 {
1538 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1539 }
1540
1541 static void qemu_kill_report(void)
1542 {
1543 if (!qtest_driver() && shutdown_signal) {
1544 if (shutdown_pid == 0) {
1545 /* This happens for eg ^C at the terminal, so it's worth
1546 * avoiding printing an odd message in that case.
1547 */
1548 error_report("terminating on signal %d", shutdown_signal);
1549 } else {
1550 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1551
1552 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1553 shutdown_signal, shutdown_pid,
1554 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1555 g_free(shutdown_cmd);
1556 }
1557 shutdown_signal = 0;
1558 }
1559 }
1560
1561 static ShutdownCause qemu_reset_requested(void)
1562 {
1563 ShutdownCause r = reset_requested;
1564
1565 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1566 reset_requested = SHUTDOWN_CAUSE_NONE;
1567 return r;
1568 }
1569 return SHUTDOWN_CAUSE_NONE;
1570 }
1571
1572 static int qemu_suspend_requested(void)
1573 {
1574 int r = suspend_requested;
1575 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1576 suspend_requested = 0;
1577 return r;
1578 }
1579 return false;
1580 }
1581
1582 static WakeupReason qemu_wakeup_requested(void)
1583 {
1584 return wakeup_reason;
1585 }
1586
1587 static int qemu_powerdown_requested(void)
1588 {
1589 int r = powerdown_requested;
1590 powerdown_requested = 0;
1591 return r;
1592 }
1593
1594 static int qemu_debug_requested(void)
1595 {
1596 int r = debug_requested;
1597 debug_requested = 0;
1598 return r;
1599 }
1600
1601 void qemu_exit_preconfig_request(void)
1602 {
1603 preconfig_exit_requested = true;
1604 }
1605
1606 /*
1607 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1608 */
1609 void qemu_system_reset(ShutdownCause reason)
1610 {
1611 MachineClass *mc;
1612
1613 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1614
1615 cpu_synchronize_all_states();
1616
1617 if (mc && mc->reset) {
1618 mc->reset();
1619 } else {
1620 qemu_devices_reset();
1621 }
1622 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1623 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1624 }
1625 cpu_synchronize_all_post_reset();
1626 }
1627
1628 void qemu_system_guest_panicked(GuestPanicInformation *info)
1629 {
1630 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1631
1632 if (current_cpu) {
1633 current_cpu->crash_occurred = true;
1634 }
1635 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1636 !!info, info);
1637 vm_stop(RUN_STATE_GUEST_PANICKED);
1638 if (!no_shutdown) {
1639 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1640 !!info, info);
1641 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1642 }
1643
1644 if (info) {
1645 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1646 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1647 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1648 info->u.hyper_v.arg1,
1649 info->u.hyper_v.arg2,
1650 info->u.hyper_v.arg3,
1651 info->u.hyper_v.arg4,
1652 info->u.hyper_v.arg5);
1653 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1654 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1655 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1656 info->u.s390.core,
1657 S390CrashReason_str(info->u.s390.reason),
1658 info->u.s390.psw_mask,
1659 info->u.s390.psw_addr);
1660 }
1661 qapi_free_GuestPanicInformation(info);
1662 }
1663 }
1664
1665 void qemu_system_reset_request(ShutdownCause reason)
1666 {
1667 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1668 shutdown_requested = reason;
1669 } else {
1670 reset_requested = reason;
1671 }
1672 cpu_stop_current();
1673 qemu_notify_event();
1674 }
1675
1676 static void qemu_system_suspend(void)
1677 {
1678 pause_all_vcpus();
1679 notifier_list_notify(&suspend_notifiers, NULL);
1680 runstate_set(RUN_STATE_SUSPENDED);
1681 qapi_event_send_suspend();
1682 }
1683
1684 void qemu_system_suspend_request(void)
1685 {
1686 if (runstate_check(RUN_STATE_SUSPENDED)) {
1687 return;
1688 }
1689 suspend_requested = 1;
1690 cpu_stop_current();
1691 qemu_notify_event();
1692 }
1693
1694 void qemu_register_suspend_notifier(Notifier *notifier)
1695 {
1696 notifier_list_add(&suspend_notifiers, notifier);
1697 }
1698
1699 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1700 {
1701 trace_system_wakeup_request(reason);
1702
1703 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1704 error_setg(errp,
1705 "Unable to wake up: guest is not in suspended state");
1706 return;
1707 }
1708 if (!(wakeup_reason_mask & (1 << reason))) {
1709 return;
1710 }
1711 runstate_set(RUN_STATE_RUNNING);
1712 wakeup_reason = reason;
1713 qemu_notify_event();
1714 }
1715
1716 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1717 {
1718 if (enabled) {
1719 wakeup_reason_mask |= (1 << reason);
1720 } else {
1721 wakeup_reason_mask &= ~(1 << reason);
1722 }
1723 }
1724
1725 void qemu_register_wakeup_notifier(Notifier *notifier)
1726 {
1727 notifier_list_add(&wakeup_notifiers, notifier);
1728 }
1729
1730 void qemu_register_wakeup_support(void)
1731 {
1732 wakeup_suspend_enabled = true;
1733 }
1734
1735 bool qemu_wakeup_suspend_enabled(void)
1736 {
1737 return wakeup_suspend_enabled;
1738 }
1739
1740 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1741 {
1742 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1743 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1744
1745 return params;
1746 }
1747
1748 void qemu_system_killed(int signal, pid_t pid)
1749 {
1750 shutdown_signal = signal;
1751 shutdown_pid = pid;
1752 no_shutdown = 0;
1753
1754 /* Cannot call qemu_system_shutdown_request directly because
1755 * we are in a signal handler.
1756 */
1757 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1758 qemu_notify_event();
1759 }
1760
1761 void qemu_system_shutdown_request(ShutdownCause reason)
1762 {
1763 trace_qemu_system_shutdown_request(reason);
1764 replay_shutdown_request(reason);
1765 shutdown_requested = reason;
1766 qemu_notify_event();
1767 }
1768
1769 static void qemu_system_powerdown(void)
1770 {
1771 qapi_event_send_powerdown();
1772 notifier_list_notify(&powerdown_notifiers, NULL);
1773 }
1774
1775 static void qemu_system_shutdown(ShutdownCause cause)
1776 {
1777 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1778 notifier_list_notify(&shutdown_notifiers, &cause);
1779 }
1780
1781 void qemu_system_powerdown_request(void)
1782 {
1783 trace_qemu_system_powerdown_request();
1784 powerdown_requested = 1;
1785 qemu_notify_event();
1786 }
1787
1788 void qemu_register_powerdown_notifier(Notifier *notifier)
1789 {
1790 notifier_list_add(&powerdown_notifiers, notifier);
1791 }
1792
1793 void qemu_register_shutdown_notifier(Notifier *notifier)
1794 {
1795 notifier_list_add(&shutdown_notifiers, notifier);
1796 }
1797
1798 void qemu_system_debug_request(void)
1799 {
1800 debug_requested = 1;
1801 qemu_notify_event();
1802 }
1803
1804 static bool main_loop_should_exit(void)
1805 {
1806 RunState r;
1807 ShutdownCause request;
1808
1809 if (preconfig_exit_requested) {
1810 if (runstate_check(RUN_STATE_PRECONFIG)) {
1811 runstate_set(RUN_STATE_PRELAUNCH);
1812 }
1813 preconfig_exit_requested = false;
1814 return true;
1815 }
1816 if (qemu_debug_requested()) {
1817 vm_stop(RUN_STATE_DEBUG);
1818 }
1819 if (qemu_suspend_requested()) {
1820 qemu_system_suspend();
1821 }
1822 request = qemu_shutdown_requested();
1823 if (request) {
1824 qemu_kill_report();
1825 qemu_system_shutdown(request);
1826 if (no_shutdown) {
1827 vm_stop(RUN_STATE_SHUTDOWN);
1828 } else {
1829 return true;
1830 }
1831 }
1832 request = qemu_reset_requested();
1833 if (request) {
1834 pause_all_vcpus();
1835 qemu_system_reset(request);
1836 resume_all_vcpus();
1837 if (!runstate_check(RUN_STATE_RUNNING) &&
1838 !runstate_check(RUN_STATE_INMIGRATE)) {
1839 runstate_set(RUN_STATE_PRELAUNCH);
1840 }
1841 }
1842 if (qemu_wakeup_requested()) {
1843 pause_all_vcpus();
1844 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1845 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1846 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1847 resume_all_vcpus();
1848 qapi_event_send_wakeup();
1849 }
1850 if (qemu_powerdown_requested()) {
1851 qemu_system_powerdown();
1852 }
1853 if (qemu_vmstop_requested(&r)) {
1854 vm_stop(r);
1855 }
1856 return false;
1857 }
1858
1859 static void main_loop(void)
1860 {
1861 #ifdef CONFIG_PROFILER
1862 int64_t ti;
1863 #endif
1864 while (!main_loop_should_exit()) {
1865 #ifdef CONFIG_PROFILER
1866 ti = profile_getclock();
1867 #endif
1868 main_loop_wait(false);
1869 #ifdef CONFIG_PROFILER
1870 dev_time += profile_getclock() - ti;
1871 #endif
1872 }
1873 }
1874
1875 static void version(void)
1876 {
1877 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1878 QEMU_COPYRIGHT "\n");
1879 }
1880
1881 static void help(int exitcode)
1882 {
1883 version();
1884 printf("usage: %s [options] [disk_image]\n\n"
1885 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1886 error_get_progname());
1887
1888 #define QEMU_OPTIONS_GENERATE_HELP
1889 #include "qemu-options-wrapper.h"
1890
1891 printf("\nDuring emulation, the following keys are useful:\n"
1892 "ctrl-alt-f toggle full screen\n"
1893 "ctrl-alt-n switch to virtual console 'n'\n"
1894 "ctrl-alt toggle mouse and keyboard grab\n"
1895 "\n"
1896 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1897 "\n"
1898 QEMU_HELP_BOTTOM "\n");
1899
1900 exit(exitcode);
1901 }
1902
1903 #define HAS_ARG 0x0001
1904
1905 typedef struct QEMUOption {
1906 const char *name;
1907 int flags;
1908 int index;
1909 uint32_t arch_mask;
1910 } QEMUOption;
1911
1912 static const QEMUOption qemu_options[] = {
1913 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1914 #define QEMU_OPTIONS_GENERATE_OPTIONS
1915 #include "qemu-options-wrapper.h"
1916 { NULL },
1917 };
1918
1919 typedef struct VGAInterfaceInfo {
1920 const char *opt_name; /* option name */
1921 const char *name; /* human-readable name */
1922 /* Class names indicating that support is available.
1923 * If no class is specified, the interface is always available */
1924 const char *class_names[2];
1925 } VGAInterfaceInfo;
1926
1927 static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1928 [VGA_NONE] = {
1929 .opt_name = "none",
1930 .name = "no graphic card",
1931 },
1932 [VGA_STD] = {
1933 .opt_name = "std",
1934 .name = "standard VGA",
1935 .class_names = { "VGA", "isa-vga" },
1936 },
1937 [VGA_CIRRUS] = {
1938 .opt_name = "cirrus",
1939 .name = "Cirrus VGA",
1940 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1941 },
1942 [VGA_VMWARE] = {
1943 .opt_name = "vmware",
1944 .name = "VMWare SVGA",
1945 .class_names = { "vmware-svga" },
1946 },
1947 [VGA_VIRTIO] = {
1948 .opt_name = "virtio",
1949 .name = "Virtio VGA",
1950 .class_names = { "virtio-vga" },
1951 },
1952 [VGA_QXL] = {
1953 .opt_name = "qxl",
1954 .name = "QXL VGA",
1955 .class_names = { "qxl-vga" },
1956 },
1957 [VGA_TCX] = {
1958 .opt_name = "tcx",
1959 .name = "TCX framebuffer",
1960 .class_names = { "SUNW,tcx" },
1961 },
1962 [VGA_CG3] = {
1963 .opt_name = "cg3",
1964 .name = "CG3 framebuffer",
1965 .class_names = { "cgthree" },
1966 },
1967 [VGA_XENFB] = {
1968 .opt_name = "xenfb",
1969 .name = "Xen paravirtualized framebuffer",
1970 },
1971 };
1972
1973 static bool vga_interface_available(VGAInterfaceType t)
1974 {
1975 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1976
1977 assert(t < VGA_TYPE_MAX);
1978 return !ti->class_names[0] ||
1979 object_class_by_name(ti->class_names[0]) ||
1980 object_class_by_name(ti->class_names[1]);
1981 }
1982
1983 static const char *
1984 get_default_vga_model(const MachineClass *machine_class)
1985 {
1986 if (machine_class->default_display) {
1987 return machine_class->default_display;
1988 } else if (vga_interface_available(VGA_CIRRUS)) {
1989 return "cirrus";
1990 } else if (vga_interface_available(VGA_STD)) {
1991 return "std";
1992 }
1993
1994 return NULL;
1995 }
1996
1997 static void select_vgahw(const MachineClass *machine_class, const char *p)
1998 {
1999 const char *opts;
2000 int t;
2001
2002 if (g_str_equal(p, "help")) {
2003 const char *def = get_default_vga_model(machine_class);
2004
2005 for (t = 0; t < VGA_TYPE_MAX; t++) {
2006 const VGAInterfaceInfo *ti = &vga_interfaces[t];
2007
2008 if (vga_interface_available(t) && ti->opt_name) {
2009 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
2010 g_str_equal(ti->opt_name, def) ? " (default)" : "");
2011 }
2012 }
2013 exit(0);
2014 }
2015
2016 assert(vga_interface_type == VGA_NONE);
2017 for (t = 0; t < VGA_TYPE_MAX; t++) {
2018 const VGAInterfaceInfo *ti = &vga_interfaces[t];
2019 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2020 if (!vga_interface_available(t)) {
2021 error_report("%s not available", ti->name);
2022 exit(1);
2023 }
2024 vga_interface_type = t;
2025 break;
2026 }
2027 }
2028 if (t == VGA_TYPE_MAX) {
2029 invalid_vga:
2030 error_report("unknown vga type: %s", p);
2031 exit(1);
2032 }
2033 while (*opts) {
2034 const char *nextopt;
2035
2036 if (strstart(opts, ",retrace=", &nextopt)) {
2037 opts = nextopt;
2038 if (strstart(opts, "dumb", &nextopt))
2039 vga_retrace_method = VGA_RETRACE_DUMB;
2040 else if (strstart(opts, "precise", &nextopt))
2041 vga_retrace_method = VGA_RETRACE_PRECISE;
2042 else goto invalid_vga;
2043 } else goto invalid_vga;
2044 opts = nextopt;
2045 }
2046 }
2047
2048 static void parse_display_qapi(const char *optarg)
2049 {
2050 DisplayOptions *opts;
2051 Visitor *v;
2052
2053 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2054
2055 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2056 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2057
2058 qapi_free_DisplayOptions(opts);
2059 visit_free(v);
2060 }
2061
2062 DisplayOptions *qmp_query_display_options(Error **errp)
2063 {
2064 return QAPI_CLONE(DisplayOptions, &dpy);
2065 }
2066
2067 static void parse_display(const char *p)
2068 {
2069 const char *opts;
2070
2071 if (strstart(p, "sdl", &opts)) {
2072 /*
2073 * sdl DisplayType needs hand-crafted parser instead of
2074 * parse_display_qapi() due to some options not in
2075 * DisplayOptions, specifically:
2076 * - frame
2077 * Already deprecated.
2078 * - ctrl_grab + alt_grab
2079 * Not clear yet what happens to them long-term. Should
2080 * replaced by something better or deprecated and dropped.
2081 */
2082 dpy.type = DISPLAY_TYPE_SDL;
2083 while (*opts) {
2084 const char *nextopt;
2085
2086 if (strstart(opts, ",alt_grab=", &nextopt)) {
2087 opts = nextopt;
2088 if (strstart(opts, "on", &nextopt)) {
2089 alt_grab = 1;
2090 } else if (strstart(opts, "off", &nextopt)) {
2091 alt_grab = 0;
2092 } else {
2093 goto invalid_sdl_args;
2094 }
2095 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2096 opts = nextopt;
2097 if (strstart(opts, "on", &nextopt)) {
2098 ctrl_grab = 1;
2099 } else if (strstart(opts, "off", &nextopt)) {
2100 ctrl_grab = 0;
2101 } else {
2102 goto invalid_sdl_args;
2103 }
2104 } else if (strstart(opts, ",window_close=", &nextopt)) {
2105 opts = nextopt;
2106 dpy.has_window_close = true;
2107 if (strstart(opts, "on", &nextopt)) {
2108 dpy.window_close = true;
2109 } else if (strstart(opts, "off", &nextopt)) {
2110 dpy.window_close = false;
2111 } else {
2112 goto invalid_sdl_args;
2113 }
2114 } else if (strstart(opts, ",gl=", &nextopt)) {
2115 opts = nextopt;
2116 dpy.has_gl = true;
2117 if (strstart(opts, "on", &nextopt)) {
2118 dpy.gl = DISPLAYGL_MODE_ON;
2119 } else if (strstart(opts, "core", &nextopt)) {
2120 dpy.gl = DISPLAYGL_MODE_CORE;
2121 } else if (strstart(opts, "es", &nextopt)) {
2122 dpy.gl = DISPLAYGL_MODE_ES;
2123 } else if (strstart(opts, "off", &nextopt)) {
2124 dpy.gl = DISPLAYGL_MODE_OFF;
2125 } else {
2126 goto invalid_sdl_args;
2127 }
2128 } else {
2129 invalid_sdl_args:
2130 error_report("invalid SDL option string");
2131 exit(1);
2132 }
2133 opts = nextopt;
2134 }
2135 } else if (strstart(p, "vnc", &opts)) {
2136 /*
2137 * vnc isn't a (local) DisplayType but a protocol for remote
2138 * display access.
2139 */
2140 if (*opts == '=') {
2141 vnc_parse(opts + 1, &error_fatal);
2142 } else {
2143 error_report("VNC requires a display argument vnc=<display>");
2144 exit(1);
2145 }
2146 } else {
2147 parse_display_qapi(p);
2148 }
2149 }
2150
2151 char *qemu_find_file(int type, const char *name)
2152 {
2153 int i;
2154 const char *subdir;
2155 char *buf;
2156
2157 /* Try the name as a straight path first */
2158 if (access(name, R_OK) == 0) {
2159 trace_load_file(name, name);
2160 return g_strdup(name);
2161 }
2162
2163 switch (type) {
2164 case QEMU_FILE_TYPE_BIOS:
2165 subdir = "";
2166 break;
2167 case QEMU_FILE_TYPE_KEYMAP:
2168 subdir = "keymaps/";
2169 break;
2170 default:
2171 abort();
2172 }
2173
2174 for (i = 0; i < data_dir_idx; i++) {
2175 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2176 if (access(buf, R_OK) == 0) {
2177 trace_load_file(name, buf);
2178 return buf;
2179 }
2180 g_free(buf);
2181 }
2182 return NULL;
2183 }
2184
2185 static void qemu_add_data_dir(const char *path)
2186 {
2187 int i;
2188
2189 if (path == NULL) {
2190 return;
2191 }
2192 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2193 return;
2194 }
2195 for (i = 0; i < data_dir_idx; i++) {
2196 if (strcmp(data_dir[i], path) == 0) {
2197 return; /* duplicate */
2198 }
2199 }
2200 data_dir[data_dir_idx++] = g_strdup(path);
2201 }
2202
2203 static inline bool nonempty_str(const char *str)
2204 {
2205 return str && *str;
2206 }
2207
2208 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2209 {
2210 gchar *buf;
2211 size_t size;
2212 const char *name, *file, *str;
2213 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2214
2215 if (fw_cfg == NULL) {
2216 error_setg(errp, "fw_cfg device not available");
2217 return -1;
2218 }
2219 name = qemu_opt_get(opts, "name");
2220 file = qemu_opt_get(opts, "file");
2221 str = qemu_opt_get(opts, "string");
2222
2223 /* we need name and either a file or the content string */
2224 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2225 error_setg(errp, "invalid argument(s)");
2226 return -1;
2227 }
2228 if (nonempty_str(file) && nonempty_str(str)) {
2229 error_setg(errp, "file and string are mutually exclusive");
2230 return -1;
2231 }
2232 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2233 error_setg(errp, "name too long (max. %d char)",
2234 FW_CFG_MAX_FILE_PATH - 1);
2235 return -1;
2236 }
2237 if (strncmp(name, "opt/", 4) != 0) {
2238 warn_report("externally provided fw_cfg item names "
2239 "should be prefixed with \"opt/\"");
2240 }
2241 if (nonempty_str(str)) {
2242 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2243 buf = g_memdup(str, size);
2244 } else {
2245 GError *err = NULL;
2246 if (!g_file_get_contents(file, &buf, &size, &err)) {
2247 error_setg(errp, "can't load %s: %s", file, err->message);
2248 g_error_free(err);
2249 return -1;
2250 }
2251 }
2252 /* For legacy, keep user files in a specific global order. */
2253 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2254 fw_cfg_add_file(fw_cfg, name, buf, size);
2255 fw_cfg_reset_order_override(fw_cfg);
2256 return 0;
2257 }
2258
2259 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2260 {
2261 return qdev_device_help(opts);
2262 }
2263
2264 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2265 {
2266 DeviceState *dev;
2267
2268 dev = qdev_device_add(opts, errp);
2269 if (!dev) {
2270 return -1;
2271 }
2272 object_unref(OBJECT(dev));
2273 return 0;
2274 }
2275
2276 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2277 {
2278 Error *local_err = NULL;
2279
2280 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2281 if (local_err) {
2282 error_propagate(errp, local_err);
2283 return -1;
2284 }
2285 exit(0);
2286 }
2287 return 0;
2288 }
2289
2290 #ifdef CONFIG_VIRTFS
2291 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2292 {
2293 return qemu_fsdev_add(opts, errp);
2294 }
2295 #endif
2296
2297 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2298 {
2299 Chardev *chr;
2300 const char *chardev;
2301 const char *mode;
2302 int flags;
2303
2304 mode = qemu_opt_get(opts, "mode");
2305 if (mode == NULL) {
2306 mode = "readline";
2307 }
2308 if (strcmp(mode, "readline") == 0) {
2309 flags = MONITOR_USE_READLINE;
2310 } else if (strcmp(mode, "control") == 0) {
2311 flags = MONITOR_USE_CONTROL;
2312 } else {
2313 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2314 return -1;
2315 }
2316
2317 if (qemu_opt_get_bool(opts, "pretty", 0))
2318 flags |= MONITOR_USE_PRETTY;
2319
2320 chardev = qemu_opt_get(opts, "chardev");
2321 if (!chardev) {
2322 error_report("chardev is required");
2323 exit(1);
2324 }
2325 chr = qemu_chr_find(chardev);
2326 if (chr == NULL) {
2327 error_setg(errp, "chardev \"%s\" not found", chardev);
2328 return -1;
2329 }
2330
2331 monitor_init(chr, flags);
2332 return 0;
2333 }
2334
2335 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2336 {
2337 static int monitor_device_index = 0;
2338 QemuOpts *opts;
2339 const char *p;
2340 char label[32];
2341
2342 if (strstart(optarg, "chardev:", &p)) {
2343 snprintf(label, sizeof(label), "%s", p);
2344 } else {
2345 snprintf(label, sizeof(label), "compat_monitor%d",
2346 monitor_device_index);
2347 opts = qemu_chr_parse_compat(label, optarg, true);
2348 if (!opts) {
2349 error_report("parse error: %s", optarg);
2350 exit(1);
2351 }
2352 }
2353
2354 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2355 qemu_opt_set(opts, "mode", mode, &error_abort);
2356 qemu_opt_set(opts, "chardev", label, &error_abort);
2357 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2358 monitor_device_index++;
2359 }
2360
2361 struct device_config {
2362 enum {
2363 DEV_USB, /* -usbdevice */
2364 DEV_BT, /* -bt */
2365 DEV_SERIAL, /* -serial */
2366 DEV_PARALLEL, /* -parallel */
2367 DEV_DEBUGCON, /* -debugcon */
2368 DEV_GDB, /* -gdb, -s */
2369 DEV_SCLP, /* s390 sclp */
2370 } type;
2371 const char *cmdline;
2372 Location loc;
2373 QTAILQ_ENTRY(device_config) next;
2374 };
2375
2376 static QTAILQ_HEAD(, device_config) device_configs =
2377 QTAILQ_HEAD_INITIALIZER(device_configs);
2378
2379 static void add_device_config(int type, const char *cmdline)
2380 {
2381 struct device_config *conf;
2382
2383 conf = g_malloc0(sizeof(*conf));
2384 conf->type = type;
2385 conf->cmdline = cmdline;
2386 loc_save(&conf->loc);
2387 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2388 }
2389
2390 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2391 {
2392 struct device_config *conf;
2393 int rc;
2394
2395 QTAILQ_FOREACH(conf, &device_configs, next) {
2396 if (conf->type != type)
2397 continue;
2398 loc_push_restore(&conf->loc);
2399 rc = func(conf->cmdline);
2400 loc_pop(&conf->loc);
2401 if (rc) {
2402 return rc;
2403 }
2404 }
2405 return 0;
2406 }
2407
2408 static int serial_parse(const char *devname)
2409 {
2410 int index = num_serial_hds;
2411 char label[32];
2412
2413 if (strcmp(devname, "none") == 0)
2414 return 0;
2415 snprintf(label, sizeof(label), "serial%d", index);
2416 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2417
2418 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2419 if (!serial_hds[index]) {
2420 error_report("could not connect serial device"
2421 " to character backend '%s'", devname);
2422 return -1;
2423 }
2424 num_serial_hds++;
2425 return 0;
2426 }
2427
2428 Chardev *serial_hd(int i)
2429 {
2430 assert(i >= 0);
2431 if (i < num_serial_hds) {
2432 return serial_hds[i];
2433 }
2434 return NULL;
2435 }
2436
2437 int serial_max_hds(void)
2438 {
2439 return num_serial_hds;
2440 }
2441
2442 static int parallel_parse(const char *devname)
2443 {
2444 static int index = 0;
2445 char label[32];
2446
2447 if (strcmp(devname, "none") == 0)
2448 return 0;
2449 if (index == MAX_PARALLEL_PORTS) {
2450 error_report("too many parallel ports");
2451 exit(1);
2452 }
2453 snprintf(label, sizeof(label), "parallel%d", index);
2454 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2455 if (!parallel_hds[index]) {
2456 error_report("could not connect parallel device"
2457 " to character backend '%s'", devname);
2458 return -1;
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_mux_mon("debugcon", devname, NULL)) {
2469 error_report("invalid character backend '%s'", devname);
2470 exit(1);
2471 }
2472 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2473 if (!opts) {
2474 error_report("already have a debugcon device");
2475 exit(1);
2476 }
2477 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2478 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2479 return 0;
2480 }
2481
2482 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2483 {
2484 const MachineClass *mc1 = a, *mc2 = b;
2485 int res;
2486
2487 if (mc1->family == NULL) {
2488 if (mc2->family == NULL) {
2489 /* Compare standalone machine types against each other; they sort
2490 * in increasing order.
2491 */
2492 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2493 object_class_get_name(OBJECT_CLASS(mc2)));
2494 }
2495
2496 /* Standalone machine types sort after families. */
2497 return 1;
2498 }
2499
2500 if (mc2->family == NULL) {
2501 /* Families sort before standalone machine types. */
2502 return -1;
2503 }
2504
2505 /* Families sort between each other alphabetically increasingly. */
2506 res = strcmp(mc1->family, mc2->family);
2507 if (res != 0) {
2508 return res;
2509 }
2510
2511 /* Within the same family, machine types sort in decreasing order. */
2512 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2513 object_class_get_name(OBJECT_CLASS(mc1)));
2514 }
2515
2516 static MachineClass *machine_parse(const char *name, GSList *machines)
2517 {
2518 MachineClass *mc;
2519 GSList *el;
2520
2521 if (is_help_option(name)) {
2522 printf("Supported machines are:\n");
2523 machines = g_slist_sort(machines, machine_class_cmp);
2524 for (el = machines; el; el = el->next) {
2525 MachineClass *mc = el->data;
2526 if (mc->alias) {
2527 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2528 }
2529 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2530 mc->is_default ? " (default)" : "",
2531 mc->deprecation_reason ? " (deprecated)" : "");
2532 }
2533 exit(0);
2534 }
2535
2536 mc = find_machine(name, machines);
2537 if (!mc) {
2538 error_report("unsupported machine type");
2539 error_printf("Use -machine help to list supported machines\n");
2540 exit(1);
2541 }
2542 return mc;
2543 }
2544
2545 void qemu_add_exit_notifier(Notifier *notify)
2546 {
2547 notifier_list_add(&exit_notifiers, notify);
2548 }
2549
2550 void qemu_remove_exit_notifier(Notifier *notify)
2551 {
2552 notifier_remove(notify);
2553 }
2554
2555 static void qemu_run_exit_notifiers(void)
2556 {
2557 notifier_list_notify(&exit_notifiers, NULL);
2558 }
2559
2560 static const char *pid_file;
2561 static Notifier qemu_unlink_pidfile_notifier;
2562
2563 static void qemu_unlink_pidfile(Notifier *n, void *data)
2564 {
2565 if (pid_file) {
2566 unlink(pid_file);
2567 }
2568 }
2569
2570 bool machine_init_done;
2571
2572 void qemu_add_machine_init_done_notifier(Notifier *notify)
2573 {
2574 notifier_list_add(&machine_init_done_notifiers, notify);
2575 if (machine_init_done) {
2576 notify->notify(notify, NULL);
2577 }
2578 }
2579
2580 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2581 {
2582 notifier_remove(notify);
2583 }
2584
2585 static void qemu_run_machine_init_done_notifiers(void)
2586 {
2587 machine_init_done = true;
2588 notifier_list_notify(&machine_init_done_notifiers, NULL);
2589 }
2590
2591 static const QEMUOption *lookup_opt(int argc, char **argv,
2592 const char **poptarg, int *poptind)
2593 {
2594 const QEMUOption *popt;
2595 int optind = *poptind;
2596 char *r = argv[optind];
2597 const char *optarg;
2598
2599 loc_set_cmdline(argv, optind, 1);
2600 optind++;
2601 /* Treat --foo the same as -foo. */
2602 if (r[1] == '-')
2603 r++;
2604 popt = qemu_options;
2605 for(;;) {
2606 if (!popt->name) {
2607 error_report("invalid option");
2608 exit(1);
2609 }
2610 if (!strcmp(popt->name, r + 1))
2611 break;
2612 popt++;
2613 }
2614 if (popt->flags & HAS_ARG) {
2615 if (optind >= argc) {
2616 error_report("requires an argument");
2617 exit(1);
2618 }
2619 optarg = argv[optind++];
2620 loc_set_cmdline(argv, optind - 2, 2);
2621 } else {
2622 optarg = NULL;
2623 }
2624
2625 *poptarg = optarg;
2626 *poptind = optind;
2627
2628 return popt;
2629 }
2630
2631 static MachineClass *select_machine(void)
2632 {
2633 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
2634 MachineClass *machine_class = find_default_machine(machines);
2635 const char *optarg;
2636 QemuOpts *opts;
2637 Location loc;
2638
2639 loc_push_none(&loc);
2640
2641 opts = qemu_get_machine_opts();
2642 qemu_opts_loc_restore(opts);
2643
2644 optarg = qemu_opt_get(opts, "type");
2645 if (optarg) {
2646 machine_class = machine_parse(optarg, machines);
2647 }
2648
2649 if (!machine_class) {
2650 error_report("No machine specified, and there is no default");
2651 error_printf("Use -machine help to list supported machines\n");
2652 exit(1);
2653 }
2654
2655 loc_pop(&loc);
2656 g_slist_free(machines);
2657 return machine_class;
2658 }
2659
2660 static int machine_set_property(void *opaque,
2661 const char *name, const char *value,
2662 Error **errp)
2663 {
2664 Object *obj = OBJECT(opaque);
2665 Error *local_err = NULL;
2666 char *p, *qom_name;
2667
2668 if (strcmp(name, "type") == 0) {
2669 return 0;
2670 }
2671
2672 qom_name = g_strdup(name);
2673 for (p = qom_name; *p; p++) {
2674 if (*p == '_') {
2675 *p = '-';
2676 }
2677 }
2678
2679 object_property_parse(obj, value, qom_name, &local_err);
2680 g_free(qom_name);
2681
2682 if (local_err) {
2683 error_propagate(errp, local_err);
2684 return -1;
2685 }
2686
2687 return 0;
2688 }
2689
2690
2691 /*
2692 * Initial object creation happens before all other
2693 * QEMU data types are created. The majority of objects
2694 * can be created at this point. The rng-egd object
2695 * cannot be created here, as it depends on the chardev
2696 * already existing.
2697 */
2698 static bool object_create_initial(const char *type, QemuOpts *opts)
2699 {
2700 ObjectClass *klass;
2701
2702 if (is_help_option(type)) {
2703 GSList *l, *list;
2704
2705 printf("List of user creatable objects:\n");
2706 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2707 for (l = list; l != NULL; l = l->next) {
2708 ObjectClass *oc = OBJECT_CLASS(l->data);
2709 printf(" %s\n", object_class_get_name(oc));
2710 }
2711 g_slist_free(list);
2712 exit(0);
2713 }
2714
2715 klass = object_class_by_name(type);
2716 if (klass && qemu_opt_has_help_opt(opts)) {
2717 ObjectPropertyIterator iter;
2718 ObjectProperty *prop;
2719 GPtrArray *array = g_ptr_array_new();
2720 int i;
2721
2722 object_class_property_iter_init(&iter, klass);
2723 while ((prop = object_property_iter_next(&iter))) {
2724 GString *str;
2725
2726 if (!prop->set) {
2727 continue;
2728 }
2729
2730 str = g_string_new(NULL);
2731 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2732 if (prop->description) {
2733 if (str->len < 24) {
2734 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2735 }
2736 g_string_append_printf(str, " - %s", prop->description);
2737 }
2738 g_ptr_array_add(array, g_string_free(str, false));
2739 }
2740 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2741 if (array->len > 0) {
2742 printf("%s options:\n", type);
2743 } else {
2744 printf("There are no options for %s.\n", type);
2745 }
2746 for (i = 0; i < array->len; i++) {
2747 printf("%s\n", (char *)array->pdata[i]);
2748 }
2749 g_ptr_array_set_free_func(array, g_free);
2750 g_ptr_array_free(array, true);
2751 exit(0);
2752 }
2753
2754 if (g_str_equal(type, "rng-egd")) {
2755 return false;
2756 }
2757
2758 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2759 if (g_str_equal(type, "cryptodev-vhost-user")) {
2760 return false;
2761 }
2762 #endif
2763
2764 /*
2765 * return false for concrete netfilters since
2766 * they depend on netdevs already existing
2767 */
2768 if (g_str_equal(type, "filter-buffer") ||
2769 g_str_equal(type, "filter-dump") ||
2770 g_str_equal(type, "filter-mirror") ||
2771 g_str_equal(type, "filter-redirector") ||
2772 g_str_equal(type, "colo-compare") ||
2773 g_str_equal(type, "filter-rewriter") ||
2774 g_str_equal(type, "filter-replay")) {
2775 return false;
2776 }
2777
2778 /* Memory allocation by backends needs to be done
2779 * after configure_accelerator() (due to the tcg_enabled()
2780 * checks at memory_region_init_*()).
2781 *
2782 * Also, allocation of large amounts of memory may delay
2783 * chardev initialization for too long, and trigger timeouts
2784 * on software that waits for a monitor socket to be created
2785 * (e.g. libvirt).
2786 */
2787 if (g_str_has_prefix(type, "memory-backend-")) {
2788 return false;
2789 }
2790
2791 return true;
2792 }
2793
2794
2795 /*
2796 * The remainder of object creation happens after the
2797 * creation of chardev, fsdev, net clients and device data types.
2798 */
2799 static bool object_create_delayed(const char *type, QemuOpts *opts)
2800 {
2801 return !object_create_initial(type, opts);
2802 }
2803
2804
2805 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2806 MachineClass *mc)
2807 {
2808 uint64_t sz;
2809 const char *mem_str;
2810 const ram_addr_t default_ram_size = mc->default_ram_size;
2811 QemuOpts *opts = qemu_find_opts_singleton("memory");
2812 Location loc;
2813
2814 loc_push_none(&loc);
2815 qemu_opts_loc_restore(opts);
2816
2817 sz = 0;
2818 mem_str = qemu_opt_get(opts, "size");
2819 if (mem_str) {
2820 if (!*mem_str) {
2821 error_report("missing 'size' option value");
2822 exit(EXIT_FAILURE);
2823 }
2824
2825 sz = qemu_opt_get_size(opts, "size", ram_size);
2826
2827 /* Fix up legacy suffix-less format */
2828 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2829 uint64_t overflow_check = sz;
2830
2831 sz *= MiB;
2832 if (sz / MiB != overflow_check) {
2833 error_report("too large 'size' option value");
2834 exit(EXIT_FAILURE);
2835 }
2836 }
2837 }
2838
2839 /* backward compatibility behaviour for case "-m 0" */
2840 if (sz == 0) {
2841 sz = default_ram_size;
2842 }
2843
2844 sz = QEMU_ALIGN_UP(sz, 8192);
2845 ram_size = sz;
2846 if (ram_size != sz) {
2847 error_report("ram size too large");
2848 exit(EXIT_FAILURE);
2849 }
2850
2851 /* store value for the future use */
2852 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2853 *maxram_size = ram_size;
2854
2855 if (qemu_opt_get(opts, "maxmem")) {
2856 uint64_t slots;
2857
2858 sz = qemu_opt_get_size(opts, "maxmem", 0);
2859 slots = qemu_opt_get_number(opts, "slots", 0);
2860 if (sz < ram_size) {
2861 error_report("invalid value of -m option maxmem: "
2862 "maximum memory size (0x%" PRIx64 ") must be at least "
2863 "the initial memory size (0x" RAM_ADDR_FMT ")",
2864 sz, ram_size);
2865 exit(EXIT_FAILURE);
2866 } else if (slots && sz == ram_size) {
2867 error_report("invalid value of -m option maxmem: "
2868 "memory slots were specified but maximum memory size "
2869 "(0x%" PRIx64 ") is equal to the initial memory size "
2870 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2871 exit(EXIT_FAILURE);
2872 }
2873
2874 *maxram_size = sz;
2875 *ram_slots = slots;
2876 } else if (qemu_opt_get(opts, "slots")) {
2877 error_report("invalid -m option value: missing 'maxmem' option");
2878 exit(EXIT_FAILURE);
2879 }
2880
2881 loc_pop(&loc);
2882 }
2883
2884 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2885 {
2886 GlobalProperty *g;
2887
2888 g = g_malloc0(sizeof(*g));
2889 g->driver = qemu_opt_get(opts, "driver");
2890 g->property = qemu_opt_get(opts, "property");
2891 g->value = qemu_opt_get(opts, "value");
2892 qdev_prop_register_global(g);
2893 return 0;
2894 }
2895
2896 static int qemu_read_default_config_file(void)
2897 {
2898 int ret;
2899
2900 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2901 if (ret < 0 && ret != -ENOENT) {
2902 return ret;
2903 }
2904
2905 return 0;
2906 }
2907
2908 static void user_register_global_props(void)
2909 {
2910 qemu_opts_foreach(qemu_find_opts("global"),
2911 global_init_func, NULL, NULL);
2912 }
2913
2914 int main(int argc, char **argv, char **envp)
2915 {
2916 int i;
2917 int snapshot, linux_boot;
2918 const char *initrd_filename;
2919 const char *kernel_filename, *kernel_cmdline;
2920 const char *boot_order = NULL;
2921 const char *boot_once = NULL;
2922 DisplayState *ds;
2923 QemuOpts *opts, *machine_opts;
2924 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2925 QemuOptsList *olist;
2926 int optind;
2927 const char *optarg;
2928 const char *loadvm = NULL;
2929 MachineClass *machine_class;
2930 const char *cpu_option;
2931 const char *vga_model = NULL;
2932 const char *qtest_chrdev = NULL;
2933 const char *qtest_log = NULL;
2934 const char *incoming = NULL;
2935 bool userconfig = true;
2936 bool nographic = false;
2937 int display_remote = 0;
2938 const char *log_mask = NULL;
2939 const char *log_file = NULL;
2940 char *trace_file = NULL;
2941 ram_addr_t maxram_size;
2942 uint64_t ram_slots = 0;
2943 FILE *vmstate_dump_file = NULL;
2944 Error *main_loop_err = NULL;
2945 Error *err = NULL;
2946 bool list_data_dirs = false;
2947 char *dir, **dirs;
2948 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2949
2950 error_init(argv[0]);
2951 module_call_init(MODULE_INIT_TRACE);
2952
2953 qemu_init_cpu_list();
2954 qemu_init_cpu_loop();
2955
2956 qemu_mutex_lock_iothread();
2957
2958 atexit(qemu_run_exit_notifiers);
2959 qemu_init_exec_dir(argv[0]);
2960
2961 module_call_init(MODULE_INIT_QOM);
2962
2963 qemu_add_opts(&qemu_drive_opts);
2964 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2965 qemu_add_drive_opts(&qemu_common_drive_opts);
2966 qemu_add_drive_opts(&qemu_drive_opts);
2967 qemu_add_drive_opts(&bdrv_runtime_opts);
2968 qemu_add_opts(&qemu_chardev_opts);
2969 qemu_add_opts(&qemu_device_opts);
2970 qemu_add_opts(&qemu_netdev_opts);
2971 qemu_add_opts(&qemu_nic_opts);
2972 qemu_add_opts(&qemu_net_opts);
2973 qemu_add_opts(&qemu_rtc_opts);
2974 qemu_add_opts(&qemu_global_opts);
2975 qemu_add_opts(&qemu_mon_opts);
2976 qemu_add_opts(&qemu_trace_opts);
2977 qemu_add_opts(&qemu_option_rom_opts);
2978 qemu_add_opts(&qemu_machine_opts);
2979 qemu_add_opts(&qemu_accel_opts);
2980 qemu_add_opts(&qemu_mem_opts);
2981 qemu_add_opts(&qemu_smp_opts);
2982 qemu_add_opts(&qemu_boot_opts);
2983 qemu_add_opts(&qemu_add_fd_opts);
2984 qemu_add_opts(&qemu_object_opts);
2985 qemu_add_opts(&qemu_tpmdev_opts);
2986 qemu_add_opts(&qemu_realtime_opts);
2987 qemu_add_opts(&qemu_overcommit_opts);
2988 qemu_add_opts(&qemu_msg_opts);
2989 qemu_add_opts(&qemu_name_opts);
2990 qemu_add_opts(&qemu_numa_opts);
2991 qemu_add_opts(&qemu_icount_opts);
2992 qemu_add_opts(&qemu_semihosting_config_opts);
2993 qemu_add_opts(&qemu_fw_cfg_opts);
2994 module_call_init(MODULE_INIT_OPTS);
2995
2996 runstate_init();
2997 precopy_infrastructure_init();
2998 postcopy_infrastructure_init();
2999 monitor_init_globals();
3000
3001 if (qcrypto_init(&err) < 0) {
3002 error_reportf_err(err, "cannot initialize crypto: ");
3003 exit(1);
3004 }
3005
3006 QLIST_INIT (&vm_change_state_head);
3007 os_setup_early_signal_handling();
3008
3009 cpu_option = NULL;
3010 snapshot = 0;
3011
3012 nb_nics = 0;
3013
3014 bdrv_init_with_whitelist();
3015
3016 autostart = 1;
3017
3018 /* first pass of option parsing */
3019 optind = 1;
3020 while (optind < argc) {
3021 if (argv[optind][0] != '-') {
3022 /* disk image */
3023 optind++;
3024 } else {
3025 const QEMUOption *popt;
3026
3027 popt = lookup_opt(argc, argv, &optarg, &optind);
3028 switch (popt->index) {
3029 case QEMU_OPTION_nouserconfig:
3030 userconfig = false;
3031 break;
3032 }
3033 }
3034 }
3035
3036 if (userconfig) {
3037 if (qemu_read_default_config_file() < 0) {
3038 exit(1);
3039 }
3040 }
3041
3042 /* second pass of option parsing */
3043 optind = 1;
3044 for(;;) {
3045 if (optind >= argc)
3046 break;
3047 if (argv[optind][0] != '-') {
3048 loc_set_cmdline(argv, optind, 1);
3049 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3050 } else {
3051 const QEMUOption *popt;
3052
3053 popt = lookup_opt(argc, argv, &optarg, &optind);
3054 if (!(popt->arch_mask & arch_type)) {
3055 error_report("Option not supported for this target");
3056 exit(1);
3057 }
3058 switch(popt->index) {
3059 case QEMU_OPTION_cpu:
3060 /* hw initialization will check this */
3061 cpu_option = optarg;
3062 break;
3063 case QEMU_OPTION_hda:
3064 case QEMU_OPTION_hdb:
3065 case QEMU_OPTION_hdc:
3066 case QEMU_OPTION_hdd:
3067 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3068 HD_OPTS);
3069 break;
3070 case QEMU_OPTION_blockdev:
3071 {
3072 Visitor *v;
3073 BlockdevOptionsQueueEntry *bdo;
3074
3075 v = qobject_input_visitor_new_str(optarg, "driver",
3076 &error_fatal);
3077
3078 bdo = g_new(BlockdevOptionsQueueEntry, 1);
3079 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3080 &error_fatal);
3081 visit_free(v);
3082 loc_save(&bdo->loc);
3083 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3084 break;
3085 }
3086 case QEMU_OPTION_drive:
3087 if (drive_def(optarg) == NULL) {
3088 exit(1);
3089 }
3090 break;
3091 case QEMU_OPTION_set:
3092 if (qemu_set_option(optarg) != 0)
3093 exit(1);
3094 break;
3095 case QEMU_OPTION_global:
3096 if (qemu_global_option(optarg) != 0)
3097 exit(1);
3098 break;
3099 case QEMU_OPTION_mtdblock:
3100 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3101 break;
3102 case QEMU_OPTION_sd:
3103 drive_add(IF_SD, -1, optarg, SD_OPTS);
3104 break;
3105 case QEMU_OPTION_pflash:
3106 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3107 break;
3108 case QEMU_OPTION_snapshot:
3109 snapshot = 1;
3110 break;
3111 case QEMU_OPTION_numa:
3112 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3113 optarg, true);
3114 if (!opts) {
3115 exit(1);
3116 }
3117 break;
3118 case QEMU_OPTION_display:
3119 parse_display(optarg);
3120 break;
3121 case QEMU_OPTION_nographic:
3122 olist = qemu_find_opts("machine");
3123 qemu_opts_parse_noisily(olist, "graphics=off", false);
3124 nographic = true;
3125 dpy.type = DISPLAY_TYPE_NONE;
3126 break;
3127 case QEMU_OPTION_curses:
3128 #ifdef CONFIG_CURSES
3129 dpy.type = DISPLAY_TYPE_CURSES;
3130 #else
3131 error_report("curses or iconv support is disabled");
3132 exit(1);
3133 #endif
3134 break;
3135 case QEMU_OPTION_portrait:
3136 graphic_rotate = 90;
3137 break;
3138 case QEMU_OPTION_rotate:
3139 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3140 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3141 graphic_rotate != 180 && graphic_rotate != 270) {
3142 error_report("only 90, 180, 270 deg rotation is available");
3143 exit(1);
3144 }
3145 break;
3146 case QEMU_OPTION_kernel:
3147 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3148 &error_abort);
3149 break;
3150 case QEMU_OPTION_initrd:
3151 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3152 &error_abort);
3153 break;
3154 case QEMU_OPTION_append:
3155 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3156 &error_abort);
3157 break;
3158 case QEMU_OPTION_dtb:
3159 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3160 &error_abort);
3161 break;
3162 case QEMU_OPTION_cdrom:
3163 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3164 break;
3165 case QEMU_OPTION_boot:
3166 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3167 optarg, true);
3168 if (!opts) {
3169 exit(1);
3170 }
3171 break;
3172 case QEMU_OPTION_fda:
3173 case QEMU_OPTION_fdb:
3174 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3175 optarg, FD_OPTS);
3176 break;
3177 case QEMU_OPTION_no_fd_bootchk:
3178 fd_bootchk = 0;
3179 break;
3180 case QEMU_OPTION_netdev:
3181 default_net = 0;
3182 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3183 exit(1);
3184 }
3185 break;
3186 case QEMU_OPTION_nic:
3187 default_net = 0;
3188 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3189 exit(1);
3190 }
3191 break;
3192 case QEMU_OPTION_net:
3193 default_net = 0;
3194 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3195 exit(1);
3196 }
3197 break;
3198 #ifdef CONFIG_LIBISCSI
3199 case QEMU_OPTION_iscsi:
3200 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3201 optarg, false);
3202 if (!opts) {
3203 exit(1);
3204 }
3205 break;
3206 #endif
3207 case QEMU_OPTION_bt:
3208 warn_report("The bluetooth subsystem is deprecated and will "
3209 "be removed soon. If the bluetooth subsystem is "
3210 "still useful for you, please send a mail to "
3211 "qemu-devel@nongnu.org with your usecase.");
3212 add_device_config(DEV_BT, optarg);
3213 break;
3214 case QEMU_OPTION_audio_help:
3215 audio_legacy_help();
3216 exit (0);
3217 break;
3218 case QEMU_OPTION_audiodev:
3219 audio_parse_option(optarg);
3220 break;
3221 case QEMU_OPTION_soundhw:
3222 select_soundhw (optarg);
3223 break;
3224 case QEMU_OPTION_h:
3225 help(0);
3226 break;
3227 case QEMU_OPTION_version:
3228 version();
3229 exit(0);
3230 break;
3231 case QEMU_OPTION_m:
3232 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3233 optarg, true);
3234 if (!opts) {
3235 exit(EXIT_FAILURE);
3236 }
3237 break;
3238 #ifdef CONFIG_TPM
3239 case QEMU_OPTION_tpmdev:
3240 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3241 exit(1);
3242 }
3243 break;
3244 #endif
3245 case QEMU_OPTION_mempath:
3246 mem_path = optarg;
3247 break;
3248 case QEMU_OPTION_mem_prealloc:
3249 mem_prealloc = 1;
3250 break;
3251 case QEMU_OPTION_d:
3252 log_mask = optarg;
3253 break;
3254 case QEMU_OPTION_D:
3255 log_file = optarg;
3256 break;
3257 case QEMU_OPTION_DFILTER:
3258 qemu_set_dfilter_ranges(optarg, &error_fatal);
3259 break;
3260 case QEMU_OPTION_seed:
3261 qemu_guest_random_seed_main(optarg, &error_fatal);
3262 break;
3263 case QEMU_OPTION_s:
3264 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3265 break;
3266 case QEMU_OPTION_gdb:
3267 add_device_config(DEV_GDB, optarg);
3268 break;
3269 case QEMU_OPTION_L:
3270 if (is_help_option(optarg)) {
3271 list_data_dirs = true;
3272 } else {
3273 qemu_add_data_dir(optarg);
3274 }
3275 break;
3276 case QEMU_OPTION_bios:
3277 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3278 &error_abort);
3279 break;
3280 case QEMU_OPTION_singlestep:
3281 singlestep = 1;
3282 break;
3283 case QEMU_OPTION_S:
3284 autostart = 0;
3285 break;
3286 case QEMU_OPTION_k:
3287 keyboard_layout = optarg;
3288 break;
3289 case QEMU_OPTION_vga:
3290 vga_model = optarg;
3291 default_vga = 0;
3292 break;
3293 case QEMU_OPTION_g:
3294 {
3295 const char *p;
3296 int w, h, depth;
3297 p = optarg;
3298 w = strtol(p, (char **)&p, 10);
3299 if (w <= 0) {
3300 graphic_error:
3301 error_report("invalid resolution or depth");
3302 exit(1);
3303 }
3304 if (*p != 'x')
3305 goto graphic_error;
3306 p++;
3307 h = strtol(p, (char **)&p, 10);
3308 if (h <= 0)
3309 goto graphic_error;
3310 if (*p == 'x') {
3311 p++;
3312 depth = strtol(p, (char **)&p, 10);
3313 if (depth != 8 && depth != 15 && depth != 16 &&
3314 depth != 24 && depth != 32)
3315 goto graphic_error;
3316 } else if (*p == '\0') {
3317 depth = graphic_depth;
3318 } else {
3319 goto graphic_error;
3320 }
3321
3322 graphic_width = w;
3323 graphic_height = h;
3324 graphic_depth = depth;
3325 }
3326 break;
3327 case QEMU_OPTION_echr:
3328 {
3329 char *r;
3330 term_escape_char = strtol(optarg, &r, 0);
3331 if (r == optarg)
3332 printf("Bad argument to echr\n");
3333 break;
3334 }
3335 case QEMU_OPTION_monitor:
3336 default_monitor = 0;
3337 if (strncmp(optarg, "none", 4)) {
3338 monitor_parse(optarg, "readline", false);
3339 }
3340 break;
3341 case QEMU_OPTION_qmp:
3342 monitor_parse(optarg, "control", false);
3343 default_monitor = 0;
3344 break;
3345 case QEMU_OPTION_qmp_pretty:
3346 monitor_parse(optarg, "control", true);
3347 default_monitor = 0;
3348 break;
3349 case QEMU_OPTION_mon:
3350 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3351 true);
3352 if (!opts) {
3353 exit(1);
3354 }
3355 default_monitor = 0;
3356 break;
3357 case QEMU_OPTION_chardev:
3358 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3359 optarg, true);
3360 if (!opts) {
3361 exit(1);
3362 }
3363 break;
3364 case QEMU_OPTION_fsdev:
3365 olist = qemu_find_opts("fsdev");
3366 if (!olist) {
3367 error_report("fsdev support is disabled");
3368 exit(1);
3369 }
3370 opts = qemu_opts_parse_noisily(olist, optarg, true);
3371 if (!opts) {
3372 exit(1);
3373 }
3374 break;
3375 case QEMU_OPTION_virtfs: {
3376 QemuOpts *fsdev;
3377 QemuOpts *device;
3378 const char *writeout, *sock_fd, *socket, *path, *security_model;
3379
3380 olist = qemu_find_opts("virtfs");
3381 if (!olist) {
3382 error_report("virtfs support is disabled");
3383 exit(1);
3384 }
3385 opts = qemu_opts_parse_noisily(olist, optarg, true);
3386 if (!opts) {
3387 exit(1);
3388 }
3389
3390 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3391 qemu_opt_get(opts, "mount_tag") == NULL) {
3392 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3393 exit(1);
3394 }
3395 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3396 qemu_opts_id(opts) ?:
3397 qemu_opt_get(opts, "mount_tag"),
3398 1, NULL);
3399 if (!fsdev) {
3400 error_report("duplicate or invalid fsdev id: %s",
3401 qemu_opt_get(opts, "mount_tag"));
3402 exit(1);
3403 }
3404
3405 writeout = qemu_opt_get(opts, "writeout");
3406 if (writeout) {
3407 #ifdef CONFIG_SYNC_FILE_RANGE
3408 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3409 #else
3410 error_report("writeout=immediate not supported "
3411 "on this platform");
3412 exit(1);
3413 #endif
3414 }
3415 qemu_opt_set(fsdev, "fsdriver",
3416 qemu_opt_get(opts, "fsdriver"), &error_abort);
3417 path = qemu_opt_get(opts, "path");
3418 if (path) {
3419 qemu_opt_set(fsdev, "path", path, &error_abort);
3420 }
3421 security_model = qemu_opt_get(opts, "security_model");
3422 if (security_model) {
3423 qemu_opt_set(fsdev, "security_model", security_model,
3424 &error_abort);
3425 }
3426 socket = qemu_opt_get(opts, "socket");
3427 if (socket) {
3428 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3429 }
3430 sock_fd = qemu_opt_get(opts, "sock_fd");
3431 if (sock_fd) {
3432 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3433 }
3434
3435 qemu_opt_set_bool(fsdev, "readonly",
3436 qemu_opt_get_bool(opts, "readonly", 0),
3437 &error_abort);
3438 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3439 &error_abort);
3440 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3441 qemu_opt_set(device, "fsdev",
3442 qemu_opts_id(fsdev), &error_abort);
3443 qemu_opt_set(device, "mount_tag",
3444 qemu_opt_get(opts, "mount_tag"), &error_abort);
3445 break;
3446 }
3447 case QEMU_OPTION_virtfs_synth: {
3448 QemuOpts *fsdev;
3449 QemuOpts *device;
3450
3451 warn_report("'-virtfs_synth' is deprecated, please use "
3452 "'-fsdev synth' and '-device virtio-9p-...' "
3453 "instead");
3454
3455 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3456 1, NULL);
3457 if (!fsdev) {
3458 error_report("duplicate option: %s", "virtfs_synth");
3459 exit(1);
3460 }
3461 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3462
3463 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3464 &error_abort);
3465 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3466 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3467 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3468 break;
3469 }
3470 case QEMU_OPTION_serial:
3471 add_device_config(DEV_SERIAL, optarg);
3472 default_serial = 0;
3473 if (strncmp(optarg, "mon:", 4) == 0) {
3474 default_monitor = 0;
3475 }
3476 break;
3477 case QEMU_OPTION_watchdog:
3478 if (watchdog) {
3479 error_report("only one watchdog option may be given");
3480 return 1;
3481 }
3482 watchdog = optarg;
3483 break;
3484 case QEMU_OPTION_watchdog_action:
3485 if (select_watchdog_action(optarg) == -1) {
3486 error_report("unknown -watchdog-action parameter");
3487 exit(1);
3488 }
3489 break;
3490 case QEMU_OPTION_parallel:
3491 add_device_config(DEV_PARALLEL, optarg);
3492 default_parallel = 0;
3493 if (strncmp(optarg, "mon:", 4) == 0) {
3494 default_monitor = 0;
3495 }
3496 break;
3497 case QEMU_OPTION_debugcon:
3498 add_device_config(DEV_DEBUGCON, optarg);
3499 break;
3500 case QEMU_OPTION_loadvm:
3501 loadvm = optarg;
3502 break;
3503 case QEMU_OPTION_full_screen:
3504 dpy.has_full_screen = true;
3505 dpy.full_screen = true;
3506 break;
3507 case QEMU_OPTION_alt_grab:
3508 alt_grab = 1;
3509 break;
3510 case QEMU_OPTION_ctrl_grab:
3511 ctrl_grab = 1;
3512 break;
3513 case QEMU_OPTION_no_quit:
3514 dpy.has_window_close = true;
3515 dpy.window_close = false;
3516 break;
3517 case QEMU_OPTION_sdl:
3518 #ifdef CONFIG_SDL
3519 dpy.type = DISPLAY_TYPE_SDL;
3520 break;
3521 #else
3522 error_report("SDL support is disabled");
3523 exit(1);
3524 #endif
3525 case QEMU_OPTION_pidfile:
3526 pid_file = optarg;
3527 break;
3528 case QEMU_OPTION_win2k_hack:
3529 win2k_install_hack = 1;
3530 break;
3531 case QEMU_OPTION_acpitable:
3532 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3533 optarg, true);
3534 if (!opts) {
3535 exit(1);
3536 }
3537 acpi_table_add(opts, &error_fatal);
3538 break;
3539 case QEMU_OPTION_smbios:
3540 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3541 optarg, false);
3542 if (!opts) {
3543 exit(1);
3544 }
3545 smbios_entry_add(opts, &error_fatal);
3546 break;
3547 case QEMU_OPTION_fwcfg:
3548 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3549 optarg, true);
3550 if (opts == NULL) {
3551 exit(1);
3552 }
3553 break;
3554 case QEMU_OPTION_preconfig:
3555 preconfig_exit_requested = false;
3556 break;
3557 case QEMU_OPTION_enable_kvm:
3558 olist = qemu_find_opts("machine");
3559 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3560 break;
3561 case QEMU_OPTION_M:
3562 case QEMU_OPTION_machine:
3563 olist = qemu_find_opts("machine");
3564 opts = qemu_opts_parse_noisily(olist, optarg, true);
3565 if (!opts) {
3566 exit(1);
3567 }
3568 break;
3569 case QEMU_OPTION_no_kvm:
3570 olist = qemu_find_opts("machine");
3571 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3572 break;
3573 case QEMU_OPTION_accel:
3574 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3575 optarg, true);
3576 optarg = qemu_opt_get(accel_opts, "accel");
3577 if (!optarg || is_help_option(optarg)) {
3578 printf("Accelerators supported in QEMU binary:\n");
3579 GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL,
3580 false);
3581 for (el = accel_list; el; el = el->next) {
3582 gchar *typename = g_strdup(object_class_get_name(
3583 OBJECT_CLASS(el->data)));
3584 /* omit qtest which is used for tests only */
3585 if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) &&
3586 g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) {
3587 gchar **optname = g_strsplit(typename,
3588 ACCEL_CLASS_SUFFIX, 0);
3589 printf("%s\n", optname[0]);
3590 g_free(optname);
3591 }
3592 g_free(typename);
3593 }
3594 g_slist_free(accel_list);
3595 exit(0);
3596 }
3597 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3598 false, &error_abort);
3599 qemu_opt_set(opts, "accel", optarg, &error_abort);
3600 break;
3601 case QEMU_OPTION_usb:
3602 olist = qemu_find_opts("machine");
3603 qemu_opts_parse_noisily(olist, "usb=on", false);
3604 break;
3605 case QEMU_OPTION_usbdevice:
3606 error_report("'-usbdevice' is deprecated, please use "
3607 "'-device usb-...' instead");
3608 olist = qemu_find_opts("machine");
3609 qemu_opts_parse_noisily(olist, "usb=on", false);
3610 add_device_config(DEV_USB, optarg);
3611 break;
3612 case QEMU_OPTION_device:
3613 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3614 optarg, true)) {
3615 exit(1);
3616 }
3617 break;
3618 case QEMU_OPTION_smp:
3619 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3620 optarg, true)) {
3621 exit(1);
3622 }
3623 break;
3624 case QEMU_OPTION_vnc:
3625 vnc_parse(optarg, &error_fatal);
3626 break;
3627 case QEMU_OPTION_no_acpi:
3628 acpi_enabled = 0;
3629 break;
3630 case QEMU_OPTION_no_hpet:
3631 no_hpet = 1;
3632 break;
3633 case QEMU_OPTION_no_reboot:
3634 no_reboot = 1;
3635 break;
3636 case QEMU_OPTION_no_shutdown:
3637 no_shutdown = 1;
3638 break;
3639 case QEMU_OPTION_show_cursor:
3640 cursor_hide = 0;
3641 break;
3642 case QEMU_OPTION_uuid:
3643 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3644 error_report("failed to parse UUID string: wrong format");
3645 exit(1);
3646 }
3647 qemu_uuid_set = true;
3648 break;
3649 case QEMU_OPTION_option_rom:
3650 if (nb_option_roms >= MAX_OPTION_ROMS) {
3651 error_report("too many option ROMs");
3652 exit(1);
3653 }
3654 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3655 optarg, true);
3656 if (!opts) {
3657 exit(1);
3658 }
3659 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3660 option_rom[nb_option_roms].bootindex =
3661 qemu_opt_get_number(opts, "bootindex", -1);
3662 if (!option_rom[nb_option_roms].name) {
3663 error_report("Option ROM file is not specified");
3664 exit(1);
3665 }
3666 nb_option_roms++;
3667 break;
3668 case QEMU_OPTION_semihosting:
3669 qemu_semihosting_enable();
3670 break;
3671 case QEMU_OPTION_semihosting_config:
3672 if (qemu_semihosting_config_options(optarg) != 0) {
3673 exit(1);
3674 }
3675 break;
3676 case QEMU_OPTION_name:
3677 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3678 optarg, true);
3679 if (!opts) {
3680 exit(1);
3681 }
3682 break;
3683 case QEMU_OPTION_prom_env:
3684 if (nb_prom_envs >= MAX_PROM_ENVS) {
3685 error_report("too many prom variables");
3686 exit(1);
3687 }
3688 prom_envs[nb_prom_envs] = optarg;
3689 nb_prom_envs++;
3690 break;
3691 case QEMU_OPTION_old_param:
3692 old_param = 1;
3693 break;
3694 case QEMU_OPTION_rtc:
3695 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3696 false);
3697 if (!opts) {
3698 exit(1);
3699 }
3700 break;
3701 case QEMU_OPTION_tb_size:
3702 #ifndef CONFIG_TCG
3703 error_report("TCG is disabled");
3704 exit(1);
3705 #endif
3706 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3707 error_report("Invalid argument to -tb-size");
3708 exit(1);
3709 }
3710 break;
3711 case QEMU_OPTION_icount:
3712 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3713 optarg, true);
3714 if (!icount_opts) {
3715 exit(1);
3716 }
3717 break;
3718 case QEMU_OPTION_incoming:
3719 if (!incoming) {
3720 runstate_set(RUN_STATE_INMIGRATE);
3721 }
3722 incoming = optarg;
3723 break;
3724 case QEMU_OPTION_only_migratable:
3725 only_migratable = 1;
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_attach:
3738 if (!(xen_available())) {
3739 error_report("Option not supported for this target");
3740 exit(1);
3741 }
3742 xen_mode = XEN_ATTACH;
3743 break;
3744 case QEMU_OPTION_xen_domid_restrict:
3745 if (!(xen_available())) {
3746 error_report("Option not supported for this target");
3747 exit(1);
3748 }
3749 xen_domid_restrict = true;
3750 break;
3751 case QEMU_OPTION_trace:
3752 g_free(trace_file);
3753 trace_file = trace_opt_parse(optarg);
3754 break;
3755 case QEMU_OPTION_readconfig:
3756 {
3757 int ret = qemu_read_config_file(optarg);
3758 if (ret < 0) {
3759 error_report("read config %s: %s", optarg,
3760 strerror(-ret));
3761 exit(1);
3762 }
3763 break;
3764 }
3765 case QEMU_OPTION_spice:
3766 olist = qemu_find_opts("spice");
3767 if (!olist) {
3768 error_report("spice support is disabled");
3769 exit(1);
3770 }
3771 opts = qemu_opts_parse_noisily(olist, optarg, false);
3772 if (!opts) {
3773 exit(1);
3774 }
3775 display_remote++;
3776 break;
3777 case QEMU_OPTION_writeconfig:
3778 {
3779 FILE *fp;
3780 if (strcmp(optarg, "-") == 0) {
3781 fp = stdout;
3782 } else {
3783 fp = fopen(optarg, "w");
3784 if (fp == NULL) {
3785 error_report("open %s: %s", optarg,
3786 strerror(errno));
3787 exit(1);
3788 }
3789 }
3790 qemu_config_write(fp);
3791 if (fp != stdout) {
3792 fclose(fp);
3793 }
3794 break;
3795 }
3796 case QEMU_OPTION_qtest:
3797 qtest_chrdev = optarg;
3798 break;
3799 case QEMU_OPTION_qtest_log:
3800 qtest_log = optarg;
3801 break;
3802 case QEMU_OPTION_sandbox:
3803 olist = qemu_find_opts("sandbox");
3804 if (!olist) {
3805 #ifndef CONFIG_SECCOMP
3806 error_report("-sandbox support is not enabled "
3807 "in this QEMU binary");
3808 #endif
3809 exit(1);
3810 }
3811
3812 opts = qemu_opts_parse_noisily(olist, optarg, true);
3813 if (!opts) {
3814 exit(1);
3815 }
3816 break;
3817 case QEMU_OPTION_add_fd:
3818 #ifndef _WIN32
3819 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3820 optarg, false);
3821 if (!opts) {
3822 exit(1);
3823 }
3824 #else
3825 error_report("File descriptor passing is disabled on this "
3826 "platform");
3827 exit(1);
3828 #endif
3829 break;
3830 case QEMU_OPTION_object:
3831 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3832 optarg, true);
3833 if (!opts) {
3834 exit(1);
3835 }
3836 break;
3837 case QEMU_OPTION_realtime:
3838 warn_report("'-realtime mlock=...' is deprecated, please use "
3839 "'-overcommit mem-lock=...' instead");
3840 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3841 optarg, false);
3842 if (!opts) {
3843 exit(1);
3844 }
3845 /* Don't override the -overcommit option if set */
3846 enable_mlock = enable_mlock ||
3847 qemu_opt_get_bool(opts, "mlock", true);
3848 break;
3849 case QEMU_OPTION_overcommit:
3850 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3851 optarg, false);
3852 if (!opts) {
3853 exit(1);
3854 }
3855 /* Don't override the -realtime option if set */
3856 enable_mlock = enable_mlock ||
3857 qemu_opt_get_bool(opts, "mem-lock", false);
3858 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3859 break;
3860 case QEMU_OPTION_msg:
3861 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3862 false);
3863 if (!opts) {
3864 exit(1);
3865 }
3866 configure_msg(opts);
3867 break;
3868 case QEMU_OPTION_dump_vmstate:
3869 if (vmstate_dump_file) {
3870 error_report("only one '-dump-vmstate' "
3871 "option may be given");
3872 exit(1);
3873 }
3874 vmstate_dump_file = fopen(optarg, "w");
3875 if (vmstate_dump_file == NULL) {
3876 error_report("open %s: %s", optarg, strerror(errno));
3877 exit(1);
3878 }
3879 break;
3880 case QEMU_OPTION_enable_sync_profile:
3881 qsp_enable();
3882 break;
3883 case QEMU_OPTION_nouserconfig:
3884 /* Nothing to be parsed here. Especially, do not error out below. */
3885 break;
3886 default:
3887 if (os_parse_cmd_args(popt->index, optarg)) {
3888 error_report("Option not supported in this build");
3889 exit(1);
3890 }
3891 }
3892 }
3893 }
3894 /*
3895 * Clear error location left behind by the loop.
3896 * Best done right after the loop. Do not insert code here!
3897 */
3898 loc_set_none();
3899
3900 user_register_global_props();
3901
3902 replay_configure(icount_opts);
3903
3904 if (incoming && !preconfig_exit_requested) {
3905 error_report("'preconfig' and 'incoming' options are "
3906 "mutually exclusive");
3907 exit(EXIT_FAILURE);
3908 }
3909
3910 configure_rtc(qemu_find_opts_singleton("rtc"));
3911
3912 machine_class = select_machine();
3913 object_set_machine_compat_props(machine_class->compat_props);
3914
3915 set_memory_options(&ram_slots, &maxram_size, machine_class);
3916
3917 os_daemonize();
3918 rcu_disable_atfork();
3919
3920 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3921 error_reportf_err(err, "cannot create PID file: ");
3922 exit(1);
3923 }
3924
3925 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3926 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3927
3928 if (qemu_init_main_loop(&main_loop_err)) {
3929 error_report_err(main_loop_err);
3930 exit(1);
3931 }
3932
3933 #ifdef CONFIG_SECCOMP
3934 olist = qemu_find_opts_err("sandbox", NULL);
3935 if (olist) {
3936 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
3937 }
3938 #endif
3939
3940 qemu_opts_foreach(qemu_find_opts("name"),
3941 parse_name, NULL, &error_fatal);
3942
3943 #ifndef _WIN32
3944 qemu_opts_foreach(qemu_find_opts("add-fd"),
3945 parse_add_fd, NULL, &error_fatal);
3946
3947 qemu_opts_foreach(qemu_find_opts("add-fd"),
3948 cleanup_add_fd, NULL, &error_fatal);
3949 #endif
3950
3951 current_machine = MACHINE(object_new(object_class_get_name(
3952 OBJECT_CLASS(machine_class))));
3953 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3954 exit(0);
3955 }
3956 object_property_add_child(object_get_root(), "machine",
3957 OBJECT(current_machine), &error_abort);
3958 object_property_add_child(container_get(OBJECT(current_machine),
3959 "/unattached"),
3960 "sysbus", OBJECT(sysbus_get_default()),
3961 NULL);
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_option && is_help_option(cpu_option)) {
3979 list_cpus(cpu_option);
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->no_floppy) {
4078 default_floppy = 0;
4079 }
4080 if (!has_defaults || machine_class->no_cdrom) {
4081 default_cdrom = 0;
4082 }
4083 if (!has_defaults || machine_class->no_sdcard) {
4084 default_sdcard = 0;
4085 }
4086 if (!has_defaults) {
4087 default_monitor = 0;
4088 default_net = 0;
4089 default_vga = 0;
4090 }
4091
4092 if (is_daemonized()) {
4093 if (!preconfig_exit_requested) {
4094 error_report("'preconfig' and 'daemonize' options are "
4095 "mutually exclusive");
4096 exit(EXIT_FAILURE);
4097 }
4098
4099 /* According to documentation and historically, -nographic redirects
4100 * serial port, parallel port and monitor to stdio, which does not work
4101 * with -daemonize. We can redirect these to null instead, but since
4102 * -nographic is legacy, let's just error out.
4103 * We disallow -nographic only if all other ports are not redirected
4104 * explicitly, to not break existing legacy setups which uses
4105 * -nographic _and_ redirects all ports explicitly - this is valid
4106 * usage, -nographic is just a no-op in this case.
4107 */
4108 if (nographic
4109 && (default_parallel || default_serial || default_monitor)) {
4110 error_report("-nographic cannot be used with -daemonize");
4111 exit(1);
4112 }
4113 #ifdef CONFIG_CURSES
4114 if (dpy.type == DISPLAY_TYPE_CURSES) {
4115 error_report("curses display cannot be used with -daemonize");
4116 exit(1);
4117 }
4118 #endif
4119 }
4120
4121 if (nographic) {
4122 if (default_parallel)
4123 add_device_config(DEV_PARALLEL, "null");
4124 if (default_serial && default_monitor) {
4125 add_device_config(DEV_SERIAL, "mon:stdio");
4126 } else {
4127 if (default_serial)
4128 add_device_config(DEV_SERIAL, "stdio");
4129 if (default_monitor)
4130 monitor_parse("stdio", "readline", false);
4131 }
4132 } else {
4133 if (default_serial)
4134 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4135 if (default_parallel)
4136 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4137 if (default_monitor)
4138 monitor_parse("vc:80Cx24C", "readline", false);
4139 }
4140
4141 #if defined(CONFIG_VNC)
4142 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4143 display_remote++;
4144 }
4145 #endif
4146 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4147 if (!qemu_display_find_default(&dpy)) {
4148 dpy.type = DISPLAY_TYPE_NONE;
4149 #if defined(CONFIG_VNC)
4150 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4151 #endif
4152 }
4153 }
4154 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4155 dpy.type = DISPLAY_TYPE_NONE;
4156 }
4157
4158 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4159 error_report("-alt-grab and -ctrl-grab are only valid "
4160 "for SDL, ignoring option");
4161 }
4162 if (dpy.has_window_close &&
4163 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4164 error_report("-no-quit is only valid for GTK and SDL, "
4165 "ignoring option");
4166 }
4167
4168 qemu_display_early_init(&dpy);
4169 qemu_console_early_init();
4170
4171 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4172 #if defined(CONFIG_OPENGL)
4173 error_report("OpenGL is not supported by the display");
4174 #else
4175 error_report("OpenGL support is disabled");
4176 #endif
4177 exit(1);
4178 }
4179
4180 page_size_init();
4181 socket_init();
4182
4183 qemu_opts_foreach(qemu_find_opts("object"),
4184 user_creatable_add_opts_foreach,
4185 object_create_initial, &error_fatal);
4186
4187 qemu_opts_foreach(qemu_find_opts("chardev"),
4188 chardev_init_func, NULL, &error_fatal);
4189 /* now chardevs have been created we may have semihosting to connect */
4190 qemu_semihosting_connect_chardevs();
4191
4192 #ifdef CONFIG_VIRTFS
4193 qemu_opts_foreach(qemu_find_opts("fsdev"),
4194 fsdev_init_func, NULL, &error_fatal);
4195 #endif
4196
4197 if (qemu_opts_foreach(qemu_find_opts("device"),
4198 device_help_func, NULL, NULL)) {
4199 exit(0);
4200 }
4201
4202 /*
4203 * Note: we need to create block backends before
4204 * machine_set_property(), so machine properties can refer to
4205 * them.
4206 */
4207 configure_blockdev(&bdo_queue, machine_class, snapshot);
4208
4209 machine_opts = qemu_get_machine_opts();
4210 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4211 &error_fatal);
4212 current_machine->ram_size = ram_size;
4213 current_machine->maxram_size = maxram_size;
4214 current_machine->ram_slots = ram_slots;
4215
4216 /*
4217 * Note: uses machine properties such as kernel-irqchip, must run
4218 * after machine_set_property().
4219 */
4220 configure_accelerator(current_machine, argv[0]);
4221
4222 /*
4223 * Beware, QOM objects created before this point miss global and
4224 * compat properties.
4225 *
4226 * Global properties get set up by qdev_prop_register_global(),
4227 * called from user_register_global_props(), and certain option
4228 * desugaring. Also in CPU feature desugaring (buried in
4229 * parse_cpu_option()), which happens below this point, but may
4230 * only target the CPU type, which can only be created after
4231 * parse_cpu_option() returned the type.
4232 *
4233 * Machine compat properties: object_set_machine_compat_props().
4234 * Accelerator compat props: object_set_accelerator_compat_props(),
4235 * called from configure_accelerator().
4236 */
4237
4238 if (!qtest_enabled() && machine_class->deprecation_reason) {
4239 error_report("Machine type '%s' is deprecated: %s",
4240 machine_class->name, machine_class->deprecation_reason);
4241 }
4242
4243 /*
4244 * Note: creates a QOM object, must run only after global and
4245 * compat properties have been set up.
4246 */
4247 migration_object_init();
4248
4249 if (qtest_chrdev) {
4250 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4251 }
4252
4253 machine_opts = qemu_get_machine_opts();
4254 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4255 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4256 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4257 bios_name = qemu_opt_get(machine_opts, "firmware");
4258
4259 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4260 if (opts) {
4261 boot_order = qemu_opt_get(opts, "order");
4262 if (boot_order) {
4263 validate_bootdevices(boot_order, &error_fatal);
4264 }
4265
4266 boot_once = qemu_opt_get(opts, "once");
4267 if (boot_once) {
4268 validate_bootdevices(boot_once, &error_fatal);
4269 }
4270
4271 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4272 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4273 }
4274
4275 if (!boot_order) {
4276 boot_order = machine_class->default_boot_order;
4277 }
4278
4279 if (!kernel_cmdline) {
4280 kernel_cmdline = "";
4281 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4282 }
4283
4284 linux_boot = (kernel_filename != NULL);
4285
4286 if (!linux_boot && *kernel_cmdline != '\0') {
4287 error_report("-append only allowed with -kernel option");
4288 exit(1);
4289 }
4290
4291 if (!linux_boot && initrd_filename != NULL) {
4292 error_report("-initrd only allowed with -kernel option");
4293 exit(1);
4294 }
4295
4296 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4297 /* fall back to the -kernel/-append */
4298 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4299 }
4300
4301 os_set_line_buffering();
4302
4303 /* spice needs the timers to be initialized by this point */
4304 qemu_spice_init();
4305
4306 cpu_ticks_init();
4307 if (icount_opts) {
4308 if (!tcg_enabled()) {
4309 error_report("-icount is not allowed with hardware virtualization");
4310 exit(1);
4311 }
4312 configure_icount(icount_opts, &error_abort);
4313 qemu_opts_del(icount_opts);
4314 }
4315
4316 if (tcg_enabled()) {
4317 qemu_tcg_configure(accel_opts, &error_fatal);
4318 }
4319
4320 if (default_net) {
4321 QemuOptsList *net = qemu_find_opts("net");
4322 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4323 #ifdef CONFIG_SLIRP
4324 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4325 #endif
4326 }
4327
4328 if (net_init_clients(&err) < 0) {
4329 error_report_err(err);
4330 exit(1);
4331 }
4332
4333 qemu_opts_foreach(qemu_find_opts("object"),
4334 user_creatable_add_opts_foreach,
4335 object_create_delayed, &error_fatal);
4336
4337 tpm_init();
4338
4339 /* init the bluetooth world */
4340 if (foreach_device_config(DEV_BT, bt_parse))
4341 exit(1);
4342
4343 if (!xen_enabled()) {
4344 /* On 32-bit hosts, QEMU is limited by virtual address space */
4345 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4346 error_report("at most 2047 MB RAM can be simulated");
4347 exit(1);
4348 }
4349 }
4350
4351 blk_mig_init();
4352 ram_mig_init();
4353 dirty_bitmap_mig_init();
4354
4355 qemu_opts_foreach(qemu_find_opts("mon"),
4356 mon_init_func, NULL, &error_fatal);
4357
4358 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4359 exit(1);
4360 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4361 exit(1);
4362 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4363 exit(1);
4364
4365 /* If no default VGA is requested, the default is "none". */
4366 if (default_vga) {
4367 vga_model = get_default_vga_model(machine_class);
4368 }
4369 if (vga_model) {
4370 select_vgahw(machine_class, vga_model);
4371 }
4372
4373 if (watchdog) {
4374 i = select_watchdog(watchdog);
4375 if (i > 0)
4376 exit (i == 1 ? 1 : 0);
4377 }
4378
4379 /* This checkpoint is required by replay to separate prior clock
4380 reading from the other reads, because timer polling functions query
4381 clock values from the log. */
4382 replay_checkpoint(CHECKPOINT_INIT);
4383 qdev_machine_init();
4384
4385 current_machine->boot_order = boot_order;
4386
4387 /* parse features once if machine provides default cpu_type */
4388 current_machine->cpu_type = machine_class->default_cpu_type;
4389 if (cpu_option) {
4390 current_machine->cpu_type = parse_cpu_option(cpu_option);
4391 }
4392 parse_numa_opts(current_machine);
4393
4394 /* do monitor/qmp handling at preconfig state if requested */
4395 main_loop();
4396
4397 audio_init_audiodevs();
4398
4399 /* from here on runstate is RUN_STATE_PRELAUNCH */
4400 machine_run_board_init(current_machine);
4401
4402 realtime_init();
4403
4404 soundhw_init();
4405
4406 if (hax_enabled()) {
4407 hax_sync_vcpus();
4408 }
4409
4410 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4411 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4412
4413 /* init USB devices */
4414 if (machine_usb(current_machine)) {
4415 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4416 exit(1);
4417 }
4418
4419 /* Check if IGD GFX passthrough. */
4420 igd_gfx_passthru();
4421
4422 /* init generic devices */
4423 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4424 qemu_opts_foreach(qemu_find_opts("device"),
4425 device_init_func, NULL, &error_fatal);
4426
4427 cpu_synchronize_all_post_init();
4428
4429 rom_reset_order_override();
4430
4431 /* Did we create any drives that we failed to create a device for? */
4432 drive_check_orphaned();
4433
4434 /* Don't warn about the default network setup that you get if
4435 * no command line -net or -netdev options are specified. There
4436 * are two cases that we would otherwise complain about:
4437 * (1) board doesn't support a NIC but the implicit "-net nic"
4438 * requested one
4439 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4440 * sets up a nic that isn't connected to anything.
4441 */
4442 if (!default_net && (!qtest_enabled() || has_defaults)) {
4443 net_check_clients();
4444 }
4445
4446 if (boot_once) {
4447 qemu_boot_set(boot_once, &error_fatal);
4448 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4449 }
4450
4451 /* init local displays */
4452 ds = init_displaystate();
4453 qemu_display_init(ds, &dpy);
4454
4455 /* must be after terminal init, SDL library changes signal handlers */
4456 os_setup_signal_handling();
4457
4458 /* init remote displays */
4459 #ifdef CONFIG_VNC
4460 qemu_opts_foreach(qemu_find_opts("vnc"),
4461 vnc_init_func, NULL, &error_fatal);
4462 #endif
4463
4464 if (using_spice) {
4465 qemu_spice_display_init();
4466 }
4467
4468 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4469 exit(1);
4470 }
4471
4472 qdev_machine_creation_done();
4473
4474 /* TODO: once all bus devices are qdevified, this should be done
4475 * when bus is created by qdev.c */
4476 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4477 qemu_run_machine_init_done_notifiers();
4478
4479 if (rom_check_and_register_reset() != 0) {
4480 error_report("rom check and register reset failed");
4481 exit(1);
4482 }
4483
4484 replay_start();
4485
4486 /* This checkpoint is required by replay to separate prior clock
4487 reading from the other reads, because timer polling functions query
4488 clock values from the log. */
4489 replay_checkpoint(CHECKPOINT_RESET);
4490 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4491 register_global_state();
4492 if (loadvm) {
4493 Error *local_err = NULL;
4494 if (load_snapshot(loadvm, &local_err) < 0) {
4495 error_report_err(local_err);
4496 autostart = 0;
4497 exit(1);
4498 }
4499 }
4500 if (replay_mode != REPLAY_MODE_NONE) {
4501 replay_vmstate_init();
4502 }
4503
4504 qdev_prop_check_globals();
4505 if (vmstate_dump_file) {
4506 /* dump and exit */
4507 dump_vmstate_json_to_file(vmstate_dump_file);
4508 return 0;
4509 }
4510
4511 if (incoming) {
4512 Error *local_err = NULL;
4513 qemu_start_incoming_migration(incoming, &local_err);
4514 if (local_err) {
4515 error_reportf_err(local_err, "-incoming %s: ", incoming);
4516 exit(1);
4517 }
4518 } else if (autostart) {
4519 vm_start();
4520 }
4521
4522 accel_setup_post(current_machine);
4523 os_setup_post();
4524
4525 main_loop();
4526
4527 gdbserver_cleanup();
4528
4529 /*
4530 * cleaning up the migration object cancels any existing migration
4531 * try to do this early so that it also stops using devices.
4532 */
4533 migration_shutdown();
4534
4535 /* No more vcpu or device emulation activity beyond this point */
4536 vm_shutdown();
4537
4538 job_cancel_sync_all();
4539 bdrv_close_all();
4540
4541 res_free();
4542
4543 /* vhost-user must be cleaned up before chardevs. */
4544 tpm_cleanup();
4545 net_cleanup();
4546 audio_cleanup();
4547 monitor_cleanup();
4548 qemu_chr_cleanup();
4549 user_creatable_cleanup();
4550 /* TODO: unref root container, check all devices are ok */
4551
4552 return 0;
4553 }
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