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machine: Add wakeup method to MachineClass
[qemu/ar7.git] / vl.c
blob09aa18cb350488267d36cd1c4d70ce5b566cf13e
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-common.h"
27 #include "qemu/units.h"
28 #include "hw/qdev-properties.h"
29 #include "qapi/error.h"
30 #include "qemu-version.h"
31 #include "qemu/cutils.h"
32 #include "qemu/help_option.h"
33 #include "qemu/uuid.h"
34 #include "sysemu/reset.h"
35 #include "sysemu/runstate.h"
36 #include "sysemu/seccomp.h"
37 #include "sysemu/tcg.h"
38
39 #ifdef CONFIG_SDL
40 #if defined(__APPLE__) || defined(main)
41 #include <SDL.h>
42 int qemu_main(int argc, char **argv, char **envp);
43 int main(int argc, char **argv)
44 {
45 return qemu_main(argc, argv, NULL);
46 }
47 #undef main
48 #define main qemu_main
49 #endif
50 #endif /* CONFIG_SDL */
51
52 #ifdef CONFIG_COCOA
53 #undef main
54 #define main qemu_main
55 #endif /* CONFIG_COCOA */
56
57
58 #include "qemu/error-report.h"
59 #include "qemu/sockets.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/isa/isa.h"
63 #include "hw/scsi/scsi.h"
64 #include "hw/display/vga.h"
65 #include "hw/bt.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/firmware/smbios.h"
68 #include "hw/acpi/acpi.h"
69 #include "hw/xen/xen.h"
70 #include "hw/loader.h"
71 #include "monitor/qdev.h"
72 #include "sysemu/bt.h"
73 #include "net/net.h"
74 #include "net/slirp.h"
75 #include "monitor/monitor.h"
76 #include "ui/console.h"
77 #include "ui/input.h"
78 #include "sysemu/sysemu.h"
79 #include "sysemu/numa.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "chardev/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/log.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/misc.h"
88 #include "migration/snapshot.h"
89 #include "migration/global_state.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "hw/audio/soundhw.h"
93 #include "audio/audio.h"
94 #include "sysemu/cpus.h"
95 #include "migration/colo.h"
96 #include "migration/postcopy-ram.h"
97 #include "sysemu/kvm.h"
98 #include "sysemu/hax.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qemu/option.h"
101 #include "qemu/config-file.h"
102 #include "qemu-options.h"
103 #include "qemu/main-loop.h"
104 #ifdef CONFIG_VIRTFS
105 #include "fsdev/qemu-fsdev.h"
106 #endif
107 #include "sysemu/qtest.h"
108
109 #include "disas/disas.h"
110
111 #include "trace-root.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/arch_init.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qapi/clone-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "hw/semihosting/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qapi-events-run-state.h"
125 #include "qapi/qapi-visit-block-core.h"
126 #include "qapi/qapi-visit-ui.h"
127 #include "qapi/qapi-commands-block-core.h"
128 #include "qapi/qapi-commands-run-state.h"
129 #include "qapi/qapi-commands-ui.h"
130 #include "qapi/qmp/qerror.h"
131 #include "sysemu/iothread.h"
132 #include "qemu/guest-random.h"
133
134 #define MAX_VIRTIO_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int display_opengl;
141 const char* keyboard_layout = NULL;
142 ram_addr_t ram_size;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 bool enable_cpu_pm = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static enum {
151 RTC_BASE_UTC,
152 RTC_BASE_LOCALTIME,
153 RTC_BASE_DATETIME,
154 } rtc_base_type = RTC_BASE_UTC;
155 static time_t rtc_ref_start_datetime;
156 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
157 static int rtc_host_datetime_offset = -1; /* valid & used only with
158 RTC_BASE_DATETIME */
159 QEMUClockType rtc_clock;
160 int vga_interface_type = VGA_NONE;
161 static DisplayOptions dpy;
162 static int num_serial_hds;
163 static Chardev **serial_hds;
164 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
165 int win2k_install_hack = 0;
166 int singlestep = 0;
167 int acpi_enabled = 1;
168 int no_hpet = 0;
169 int fd_bootchk = 1;
170 static int no_reboot;
171 int no_shutdown = 0;
172 int cursor_hide = 1;
173 int graphic_rotate = 0;
174 const char *watchdog;
175 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
176 int nb_option_roms;
177 int old_param = 0;
178 const char *qemu_name;
179 int alt_grab = 0;
180 int ctrl_grab = 0;
181 unsigned int nb_prom_envs = 0;
182 const char *prom_envs[MAX_PROM_ENVS];
183 int boot_menu;
184 bool boot_strict;
185 uint8_t *boot_splash_filedata;
186 int only_migratable; /* turn it off unless user states otherwise */
187 bool wakeup_suspend_enabled;
188
189 int icount_align_option;
190
191 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
193 */
194 QemuUUID qemu_uuid;
195 bool qemu_uuid_set;
196
197 static NotifierList exit_notifiers =
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
199
200 static NotifierList machine_init_done_notifiers =
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
202
203 bool xen_allowed;
204 uint32_t xen_domid;
205 enum xen_mode xen_mode = XEN_EMULATE;
206 bool xen_domid_restrict;
207
208 static int has_defaults = 1;
209 static int default_serial = 1;
210 static int default_parallel = 1;
211 static int default_monitor = 1;
212 static int default_floppy = 1;
213 static int default_cdrom = 1;
214 static int default_sdcard = 1;
215 static int default_vga = 1;
216 static int default_net = 1;
217
218 static struct {
219 const char *driver;
220 int *flag;
221 } default_list[] = {
222 { .driver = "isa-serial", .flag = &default_serial },
223 { .driver = "isa-parallel", .flag = &default_parallel },
224 { .driver = "isa-fdc", .flag = &default_floppy },
225 { .driver = "floppy", .flag = &default_floppy },
226 { .driver = "ide-cd", .flag = &default_cdrom },
227 { .driver = "ide-hd", .flag = &default_cdrom },
228 { .driver = "ide-drive", .flag = &default_cdrom },
229 { .driver = "scsi-cd", .flag = &default_cdrom },
230 { .driver = "scsi-hd", .flag = &default_cdrom },
231 { .driver = "VGA", .flag = &default_vga },
232 { .driver = "isa-vga", .flag = &default_vga },
233 { .driver = "cirrus-vga", .flag = &default_vga },
234 { .driver = "isa-cirrus-vga", .flag = &default_vga },
235 { .driver = "vmware-svga", .flag = &default_vga },
236 { .driver = "qxl-vga", .flag = &default_vga },
237 { .driver = "virtio-vga", .flag = &default_vga },
238 { .driver = "ati-vga", .flag = &default_vga },
239 { .driver = "vhost-user-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .merge_lists = true,
246 .desc = {
247 {
248 .name = "base",
249 .type = QEMU_OPT_STRING,
250 },{
251 .name = "clock",
252 .type = QEMU_OPT_STRING,
253 },{
254 .name = "driftfix",
255 .type = QEMU_OPT_STRING,
256 },
257 { /* end of list */ }
258 },
259 };
260
261 static QemuOptsList qemu_option_rom_opts = {
262 .name = "option-rom",
263 .implied_opt_name = "romfile",
264 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
265 .desc = {
266 {
267 .name = "bootindex",
268 .type = QEMU_OPT_NUMBER,
269 }, {
270 .name = "romfile",
271 .type = QEMU_OPT_STRING,
272 },
273 { /* end of list */ }
274 },
275 };
276
277 static QemuOptsList qemu_machine_opts = {
278 .name = "machine",
279 .implied_opt_name = "type",
280 .merge_lists = true,
281 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
282 .desc = {
283 /*
284 * no elements => accept any
285 * sanity checking will happen later
286 * when setting machine properties
287 */
288 { }
289 },
290 };
291
292 static QemuOptsList qemu_accel_opts = {
293 .name = "accel",
294 .implied_opt_name = "accel",
295 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
296 .merge_lists = true,
297 .desc = {
298 {
299 .name = "accel",
300 .type = QEMU_OPT_STRING,
301 .help = "Select the type of accelerator",
302 },
303 {
304 .name = "thread",
305 .type = QEMU_OPT_STRING,
306 .help = "Enable/disable multi-threaded TCG",
307 },
308 { /* end of list */ }
309 },
310 };
311
312 static QemuOptsList qemu_boot_opts = {
313 .name = "boot-opts",
314 .implied_opt_name = "order",
315 .merge_lists = true,
316 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
317 .desc = {
318 {
319 .name = "order",
320 .type = QEMU_OPT_STRING,
321 }, {
322 .name = "once",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "menu",
326 .type = QEMU_OPT_BOOL,
327 }, {
328 .name = "splash",
329 .type = QEMU_OPT_STRING,
330 }, {
331 .name = "splash-time",
332 .type = QEMU_OPT_NUMBER,
333 }, {
334 .name = "reboot-timeout",
335 .type = QEMU_OPT_NUMBER,
336 }, {
337 .name = "strict",
338 .type = QEMU_OPT_BOOL,
339 },
340 { /*End of list */ }
341 },
342 };
343
344 static QemuOptsList qemu_add_fd_opts = {
345 .name = "add-fd",
346 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
347 .desc = {
348 {
349 .name = "fd",
350 .type = QEMU_OPT_NUMBER,
351 .help = "file descriptor of which a duplicate is added to fd set",
352 },{
353 .name = "set",
354 .type = QEMU_OPT_NUMBER,
355 .help = "ID of the fd set to add fd to",
356 },{
357 .name = "opaque",
358 .type = QEMU_OPT_STRING,
359 .help = "free-form string used to describe fd",
360 },
361 { /* end of list */ }
362 },
363 };
364
365 static QemuOptsList qemu_object_opts = {
366 .name = "object",
367 .implied_opt_name = "qom-type",
368 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
369 .desc = {
370 { }
371 },
372 };
373
374 static QemuOptsList qemu_tpmdev_opts = {
375 .name = "tpmdev",
376 .implied_opt_name = "type",
377 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
378 .desc = {
379 /* options are defined in the TPM backends */
380 { /* end of list */ }
381 },
382 };
383
384 static QemuOptsList qemu_realtime_opts = {
385 .name = "realtime",
386 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
387 .desc = {
388 {
389 .name = "mlock",
390 .type = QEMU_OPT_BOOL,
391 },
392 { /* end of list */ }
393 },
394 };
395
396 static QemuOptsList qemu_overcommit_opts = {
397 .name = "overcommit",
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
399 .desc = {
400 {
401 .name = "mem-lock",
402 .type = QEMU_OPT_BOOL,
403 },
404 {
405 .name = "cpu-pm",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_msg_opts = {
413 .name = "msg",
414 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
415 .desc = {
416 {
417 .name = "timestamp",
418 .type = QEMU_OPT_BOOL,
419 },
420 { /* end of list */ }
421 },
422 };
423
424 static QemuOptsList qemu_name_opts = {
425 .name = "name",
426 .implied_opt_name = "guest",
427 .merge_lists = true,
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
429 .desc = {
430 {
431 .name = "guest",
432 .type = QEMU_OPT_STRING,
433 .help = "Sets the name of the guest.\n"
434 "This name will be displayed in the SDL window caption.\n"
435 "The name will also be used for the VNC server",
436 }, {
437 .name = "process",
438 .type = QEMU_OPT_STRING,
439 .help = "Sets the name of the QEMU process, as shown in top etc",
440 }, {
441 .name = "debug-threads",
442 .type = QEMU_OPT_BOOL,
443 .help = "When enabled, name the individual threads; defaults off.\n"
444 "NOTE: The thread names are for debugging and not a\n"
445 "stable API.",
446 },
447 { /* End of list */ }
448 },
449 };
450
451 static QemuOptsList qemu_mem_opts = {
452 .name = "memory",
453 .implied_opt_name = "size",
454 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
455 .merge_lists = true,
456 .desc = {
457 {
458 .name = "size",
459 .type = QEMU_OPT_SIZE,
460 },
461 {
462 .name = "slots",
463 .type = QEMU_OPT_NUMBER,
464 },
465 {
466 .name = "maxmem",
467 .type = QEMU_OPT_SIZE,
468 },
469 { /* end of list */ }
470 },
471 };
472
473 static QemuOptsList qemu_icount_opts = {
474 .name = "icount",
475 .implied_opt_name = "shift",
476 .merge_lists = true,
477 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
478 .desc = {
479 {
480 .name = "shift",
481 .type = QEMU_OPT_STRING,
482 }, {
483 .name = "align",
484 .type = QEMU_OPT_BOOL,
485 }, {
486 .name = "sleep",
487 .type = QEMU_OPT_BOOL,
488 }, {
489 .name = "rr",
490 .type = QEMU_OPT_STRING,
491 }, {
492 .name = "rrfile",
493 .type = QEMU_OPT_STRING,
494 }, {
495 .name = "rrsnapshot",
496 .type = QEMU_OPT_STRING,
497 },
498 { /* end of list */ }
499 },
500 };
501
502 static QemuOptsList qemu_fw_cfg_opts = {
503 .name = "fw_cfg",
504 .implied_opt_name = "name",
505 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
506 .desc = {
507 {
508 .name = "name",
509 .type = QEMU_OPT_STRING,
510 .help = "Sets the fw_cfg name of the blob to be inserted",
511 }, {
512 .name = "file",
513 .type = QEMU_OPT_STRING,
514 .help = "Sets the name of the file from which "
515 "the fw_cfg blob will be loaded",
516 }, {
517 .name = "string",
518 .type = QEMU_OPT_STRING,
519 .help = "Sets content of the blob to be inserted from a string",
520 },
521 { /* end of list */ }
522 },
523 };
524
525 /**
526 * Get machine options
527 *
528 * Returns: machine options (never null).
529 */
530 QemuOpts *qemu_get_machine_opts(void)
531 {
532 return qemu_find_opts_singleton("machine");
533 }
534
535 const char *qemu_get_vm_name(void)
536 {
537 return qemu_name;
538 }
539
540 static void res_free(void)
541 {
542 g_free(boot_splash_filedata);
543 boot_splash_filedata = NULL;
544 }
545
546 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
547 {
548 const char *driver = qemu_opt_get(opts, "driver");
549 int i;
550
551 if (!driver)
552 return 0;
553 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
554 if (strcmp(default_list[i].driver, driver) != 0)
555 continue;
556 *(default_list[i].flag) = 0;
557 }
558 return 0;
559 }
560
561 /***********************************************************/
562 /* QEMU state */
563
564 static RunState current_run_state = RUN_STATE_PRECONFIG;
565
566 /* We use RUN_STATE__MAX but any invalid value will do */
567 static RunState vmstop_requested = RUN_STATE__MAX;
568 static QemuMutex vmstop_lock;
569
570 typedef struct {
571 RunState from;
572 RunState to;
573 } RunStateTransition;
574
575 static const RunStateTransition runstate_transitions_def[] = {
576 /* from -> to */
577 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
578 /* Early switch to inmigrate state to allow -incoming CLI option work
579 * as it used to. TODO: delay actual switching to inmigrate state to
580 * the point after machine is built and remove this hack.
581 */
582 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
583
584 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
585 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
586 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
587
588 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
589 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
590 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
592 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
593 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
595 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
596 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
598 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
599 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
600
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
602 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
606 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
608
609 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
610 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
612 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
613 { RUN_STATE_PAUSED, RUN_STATE_COLO},
614
615 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
616 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
617 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
618
619 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
620 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
622
623 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
624 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
625 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
626 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
627 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
628
629 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
630 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
631
632 { RUN_STATE_COLO, RUN_STATE_RUNNING },
633
634 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
635 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
636 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
637 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
638 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
640 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
641 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
642 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
643 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
644 { RUN_STATE_RUNNING, RUN_STATE_COLO},
645
646 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
647
648 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
649 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
651
652 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
653 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
654 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
655 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
656 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
657 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
658
659 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
660 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
661 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
662 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
663
664 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
665 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
667
668 { RUN_STATE__MAX, RUN_STATE__MAX },
669 };
670
671 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
672
673 bool runstate_check(RunState state)
674 {
675 return current_run_state == state;
676 }
677
678 bool runstate_store(char *str, size_t size)
679 {
680 const char *state = RunState_str(current_run_state);
681 size_t len = strlen(state) + 1;
682
683 if (len > size) {
684 return false;
685 }
686 memcpy(str, state, len);
687 return true;
688 }
689
690 static void runstate_init(void)
691 {
692 const RunStateTransition *p;
693
694 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
695 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
696 runstate_valid_transitions[p->from][p->to] = true;
697 }
698
699 qemu_mutex_init(&vmstop_lock);
700 }
701
702 /* This function will abort() on invalid state transitions */
703 void runstate_set(RunState new_state)
704 {
705 assert(new_state < RUN_STATE__MAX);
706
707 trace_runstate_set(current_run_state, RunState_str(current_run_state),
708 new_state, RunState_str(new_state));
709
710 if (current_run_state == new_state) {
711 return;
712 }
713
714 if (!runstate_valid_transitions[current_run_state][new_state]) {
715 error_report("invalid runstate transition: '%s' -> '%s'",
716 RunState_str(current_run_state),
717 RunState_str(new_state));
718 abort();
719 }
720
721 current_run_state = new_state;
722 }
723
724 int runstate_is_running(void)
725 {
726 return runstate_check(RUN_STATE_RUNNING);
727 }
728
729 bool runstate_needs_reset(void)
730 {
731 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
732 runstate_check(RUN_STATE_SHUTDOWN);
733 }
734
735 StatusInfo *qmp_query_status(Error **errp)
736 {
737 StatusInfo *info = g_malloc0(sizeof(*info));
738
739 info->running = runstate_is_running();
740 info->singlestep = singlestep;
741 info->status = current_run_state;
742
743 return info;
744 }
745
746 bool qemu_vmstop_requested(RunState *r)
747 {
748 qemu_mutex_lock(&vmstop_lock);
749 *r = vmstop_requested;
750 vmstop_requested = RUN_STATE__MAX;
751 qemu_mutex_unlock(&vmstop_lock);
752 return *r < RUN_STATE__MAX;
753 }
754
755 void qemu_system_vmstop_request_prepare(void)
756 {
757 qemu_mutex_lock(&vmstop_lock);
758 }
759
760 void qemu_system_vmstop_request(RunState state)
761 {
762 vmstop_requested = state;
763 qemu_mutex_unlock(&vmstop_lock);
764 qemu_notify_event();
765 }
766
767 /***********************************************************/
768 /* RTC reference time/date access */
769 static time_t qemu_ref_timedate(QEMUClockType clock)
770 {
771 time_t value = qemu_clock_get_ms(clock) / 1000;
772 switch (clock) {
773 case QEMU_CLOCK_REALTIME:
774 value -= rtc_realtime_clock_offset;
775 /* no break */
776 case QEMU_CLOCK_VIRTUAL:
777 value += rtc_ref_start_datetime;
778 break;
779 case QEMU_CLOCK_HOST:
780 if (rtc_base_type == RTC_BASE_DATETIME) {
781 value -= rtc_host_datetime_offset;
782 }
783 break;
784 default:
785 assert(0);
786 }
787 return value;
788 }
789
790 void qemu_get_timedate(struct tm *tm, int offset)
791 {
792 time_t ti = qemu_ref_timedate(rtc_clock);
793
794 ti += offset;
795
796 switch (rtc_base_type) {
797 case RTC_BASE_DATETIME:
798 case RTC_BASE_UTC:
799 gmtime_r(&ti, tm);
800 break;
801 case RTC_BASE_LOCALTIME:
802 localtime_r(&ti, tm);
803 break;
804 }
805 }
806
807 int qemu_timedate_diff(struct tm *tm)
808 {
809 time_t seconds;
810
811 switch (rtc_base_type) {
812 case RTC_BASE_DATETIME:
813 case RTC_BASE_UTC:
814 seconds = mktimegm(tm);
815 break;
816 case RTC_BASE_LOCALTIME:
817 {
818 struct tm tmp = *tm;
819 tmp.tm_isdst = -1; /* use timezone to figure it out */
820 seconds = mktime(&tmp);
821 break;
822 }
823 default:
824 abort();
825 }
826
827 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
828 }
829
830 static void configure_rtc_base_datetime(const char *startdate)
831 {
832 time_t rtc_start_datetime;
833 struct tm tm;
834
835 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
836 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
837 /* OK */
838 } else if (sscanf(startdate, "%d-%d-%d",
839 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
840 tm.tm_hour = 0;
841 tm.tm_min = 0;
842 tm.tm_sec = 0;
843 } else {
844 goto date_fail;
845 }
846 tm.tm_year -= 1900;
847 tm.tm_mon--;
848 rtc_start_datetime = mktimegm(&tm);
849 if (rtc_start_datetime == -1) {
850 date_fail:
851 error_report("invalid datetime format");
852 error_printf("valid formats: "
853 "'2006-06-17T16:01:21' or '2006-06-17'\n");
854 exit(1);
855 }
856 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
857 rtc_ref_start_datetime = rtc_start_datetime;
858 }
859
860 static void configure_rtc(QemuOpts *opts)
861 {
862 const char *value;
863
864 /* Set defaults */
865 rtc_clock = QEMU_CLOCK_HOST;
866 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
867 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
868
869 value = qemu_opt_get(opts, "base");
870 if (value) {
871 if (!strcmp(value, "utc")) {
872 rtc_base_type = RTC_BASE_UTC;
873 } else if (!strcmp(value, "localtime")) {
874 Error *blocker = NULL;
875 rtc_base_type = RTC_BASE_LOCALTIME;
876 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
877 "-rtc base=localtime");
878 replay_add_blocker(blocker);
879 } else {
880 rtc_base_type = RTC_BASE_DATETIME;
881 configure_rtc_base_datetime(value);
882 }
883 }
884 value = qemu_opt_get(opts, "clock");
885 if (value) {
886 if (!strcmp(value, "host")) {
887 rtc_clock = QEMU_CLOCK_HOST;
888 } else if (!strcmp(value, "rt")) {
889 rtc_clock = QEMU_CLOCK_REALTIME;
890 } else if (!strcmp(value, "vm")) {
891 rtc_clock = QEMU_CLOCK_VIRTUAL;
892 } else {
893 error_report("invalid option value '%s'", value);
894 exit(1);
895 }
896 }
897 value = qemu_opt_get(opts, "driftfix");
898 if (value) {
899 if (!strcmp(value, "slew")) {
900 static GlobalProperty slew_lost_ticks = {
901 .driver = "mc146818rtc",
902 .property = "lost_tick_policy",
903 .value = "slew",
904 };
905
906 qdev_prop_register_global(&slew_lost_ticks);
907 } else if (!strcmp(value, "none")) {
908 /* discard is default */
909 } else {
910 error_report("invalid option value '%s'", value);
911 exit(1);
912 }
913 }
914 }
915
916 /***********************************************************/
917 /* Bluetooth support */
918 static int nb_hcis;
919 static int cur_hci;
920 static struct HCIInfo *hci_table[MAX_NICS];
921
922 struct HCIInfo *qemu_next_hci(void)
923 {
924 if (cur_hci == nb_hcis)
925 return &null_hci;
926
927 return hci_table[cur_hci++];
928 }
929
930 static int bt_hci_parse(const char *str)
931 {
932 struct HCIInfo *hci;
933 bdaddr_t bdaddr;
934
935 if (nb_hcis >= MAX_NICS) {
936 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
937 return -1;
938 }
939
940 hci = hci_init(str);
941 if (!hci)
942 return -1;
943
944 bdaddr.b[0] = 0x52;
945 bdaddr.b[1] = 0x54;
946 bdaddr.b[2] = 0x00;
947 bdaddr.b[3] = 0x12;
948 bdaddr.b[4] = 0x34;
949 bdaddr.b[5] = 0x56 + nb_hcis;
950 hci->bdaddr_set(hci, bdaddr.b);
951
952 hci_table[nb_hcis++] = hci;
953
954 return 0;
955 }
956
957 static void bt_vhci_add(int vlan_id)
958 {
959 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
960
961 if (!vlan->slave)
962 warn_report("adding a VHCI to an empty scatternet %i",
963 vlan_id);
964
965 bt_vhci_init(bt_new_hci(vlan));
966 }
967
968 static struct bt_device_s *bt_device_add(const char *opt)
969 {
970 struct bt_scatternet_s *vlan;
971 int vlan_id = 0;
972 char *endp = strstr(opt, ",vlan=");
973 int len = (endp ? endp - opt : strlen(opt)) + 1;
974 char devname[10];
975
976 pstrcpy(devname, MIN(sizeof(devname), len), opt);
977
978 if (endp) {
979 vlan_id = strtol(endp + 6, &endp, 0);
980 if (*endp) {
981 error_report("unrecognised bluetooth vlan Id");
982 return 0;
983 }
984 }
985
986 vlan = qemu_find_bt_vlan(vlan_id);
987
988 if (!vlan->slave)
989 warn_report("adding a slave device to an empty scatternet %i",
990 vlan_id);
991
992 if (!strcmp(devname, "keyboard"))
993 return bt_keyboard_init(vlan);
994
995 error_report("unsupported bluetooth device '%s'", devname);
996 return 0;
997 }
998
999 static int bt_parse(const char *opt)
1000 {
1001 const char *endp, *p;
1002 int vlan;
1003
1004 if (strstart(opt, "hci", &endp)) {
1005 if (!*endp || *endp == ',') {
1006 if (*endp)
1007 if (!strstart(endp, ",vlan=", 0))
1008 opt = endp + 1;
1009
1010 return bt_hci_parse(opt);
1011 }
1012 } else if (strstart(opt, "vhci", &endp)) {
1013 if (!*endp || *endp == ',') {
1014 if (*endp) {
1015 if (strstart(endp, ",vlan=", &p)) {
1016 vlan = strtol(p, (char **) &endp, 0);
1017 if (*endp) {
1018 error_report("bad scatternet '%s'", p);
1019 return 1;
1020 }
1021 } else {
1022 error_report("bad parameter '%s'", endp + 1);
1023 return 1;
1024 }
1025 } else
1026 vlan = 0;
1027
1028 bt_vhci_add(vlan);
1029 return 0;
1030 }
1031 } else if (strstart(opt, "device:", &endp))
1032 return !bt_device_add(endp);
1033
1034 error_report("bad bluetooth parameter '%s'", opt);
1035 return 1;
1036 }
1037
1038 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1039 {
1040 const char *proc_name;
1041
1042 if (qemu_opt_get(opts, "debug-threads")) {
1043 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1044 }
1045 qemu_name = qemu_opt_get(opts, "guest");
1046
1047 proc_name = qemu_opt_get(opts, "process");
1048 if (proc_name) {
1049 os_set_proc_name(proc_name);
1050 }
1051
1052 return 0;
1053 }
1054
1055 bool defaults_enabled(void)
1056 {
1057 return has_defaults;
1058 }
1059
1060 #ifndef _WIN32
1061 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1062 {
1063 int fd, dupfd, flags;
1064 int64_t fdset_id;
1065 const char *fd_opaque = NULL;
1066 AddfdInfo *fdinfo;
1067
1068 fd = qemu_opt_get_number(opts, "fd", -1);
1069 fdset_id = qemu_opt_get_number(opts, "set", -1);
1070 fd_opaque = qemu_opt_get(opts, "opaque");
1071
1072 if (fd < 0) {
1073 error_setg(errp, "fd option is required and must be non-negative");
1074 return -1;
1075 }
1076
1077 if (fd <= STDERR_FILENO) {
1078 error_setg(errp, "fd cannot be a standard I/O stream");
1079 return -1;
1080 }
1081
1082 /*
1083 * All fds inherited across exec() necessarily have FD_CLOEXEC
1084 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1085 */
1086 flags = fcntl(fd, F_GETFD);
1087 if (flags == -1 || (flags & FD_CLOEXEC)) {
1088 error_setg(errp, "fd is not valid or already in use");
1089 return -1;
1090 }
1091
1092 if (fdset_id < 0) {
1093 error_setg(errp, "set option is required and must be non-negative");
1094 return -1;
1095 }
1096
1097 #ifdef F_DUPFD_CLOEXEC
1098 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1099 #else
1100 dupfd = dup(fd);
1101 if (dupfd != -1) {
1102 qemu_set_cloexec(dupfd);
1103 }
1104 #endif
1105 if (dupfd == -1) {
1106 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1107 return -1;
1108 }
1109
1110 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1111 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1112 &error_abort);
1113 g_free(fdinfo);
1114
1115 return 0;
1116 }
1117
1118 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1119 {
1120 int fd;
1121
1122 fd = qemu_opt_get_number(opts, "fd", -1);
1123 close(fd);
1124
1125 return 0;
1126 }
1127 #endif
1128
1129 /***********************************************************/
1130 /* QEMU Block devices */
1131
1132 #define HD_OPTS "media=disk"
1133 #define CDROM_OPTS "media=cdrom"
1134 #define FD_OPTS ""
1135 #define PFLASH_OPTS ""
1136 #define MTD_OPTS ""
1137 #define SD_OPTS ""
1138
1139 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1140 {
1141 BlockInterfaceType *block_default_type = opaque;
1142
1143 return drive_new(opts, *block_default_type, errp) == NULL;
1144 }
1145
1146 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1147 {
1148 if (qemu_opt_get(opts, "snapshot") == NULL) {
1149 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1150 }
1151 return 0;
1152 }
1153
1154 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1155 int index, const char *optstr)
1156 {
1157 QemuOpts *opts;
1158 DriveInfo *dinfo;
1159
1160 if (!enable || drive_get_by_index(type, index)) {
1161 return;
1162 }
1163
1164 opts = drive_add(type, index, NULL, optstr);
1165 if (snapshot) {
1166 drive_enable_snapshot(NULL, opts, NULL);
1167 }
1168
1169 dinfo = drive_new(opts, type, &error_abort);
1170 dinfo->is_default = true;
1171
1172 }
1173
1174 typedef struct BlockdevOptionsQueueEntry {
1175 BlockdevOptions *bdo;
1176 Location loc;
1177 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1178 } BlockdevOptionsQueueEntry;
1179
1180 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1181
1182 static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
1183 MachineClass *machine_class, int snapshot)
1184 {
1185 /*
1186 * If the currently selected machine wishes to override the
1187 * units-per-bus property of its default HBA interface type, do so
1188 * now.
1189 */
1190 if (machine_class->units_per_default_bus) {
1191 override_max_devs(machine_class->block_default_type,
1192 machine_class->units_per_default_bus);
1193 }
1194
1195 /* open the virtual block devices */
1196 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
1197 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
1198
1199 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
1200 loc_push_restore(&bdo->loc);
1201 qmp_blockdev_add(bdo->bdo, &error_fatal);
1202 loc_pop(&bdo->loc);
1203 qapi_free_BlockdevOptions(bdo->bdo);
1204 g_free(bdo);
1205 }
1206 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
1207 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
1208 NULL, NULL);
1209 }
1210 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
1211 &machine_class->block_default_type, &error_fatal)) {
1212 /* We printed help */
1213 exit(0);
1214 }
1215
1216 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
1217 CDROM_OPTS);
1218 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
1219 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
1220
1221 }
1222
1223 static QemuOptsList qemu_smp_opts = {
1224 .name = "smp-opts",
1225 .implied_opt_name = "cpus",
1226 .merge_lists = true,
1227 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1228 .desc = {
1229 {
1230 .name = "cpus",
1231 .type = QEMU_OPT_NUMBER,
1232 }, {
1233 .name = "sockets",
1234 .type = QEMU_OPT_NUMBER,
1235 }, {
1236 .name = "dies",
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 realtime_init(void)
1253 {
1254 if (enable_mlock) {
1255 if (os_mlock() < 0) {
1256 error_report("locking memory failed");
1257 exit(1);
1258 }
1259 }
1260 }
1261
1262
1263 static void configure_msg(QemuOpts *opts)
1264 {
1265 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1266 }
1267
1268
1269 /* Now we still need this for compatibility with XEN. */
1270 bool has_igd_gfx_passthru;
1271 static void igd_gfx_passthru(void)
1272 {
1273 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1274 }
1275
1276 /***********************************************************/
1277 /* USB devices */
1278
1279 static int usb_device_add(const char *devname)
1280 {
1281 USBDevice *dev = NULL;
1282
1283 if (!machine_usb(current_machine)) {
1284 return -1;
1285 }
1286
1287 dev = usbdevice_create(devname);
1288 if (!dev)
1289 return -1;
1290
1291 return 0;
1292 }
1293
1294 static int usb_parse(const char *cmdline)
1295 {
1296 int r;
1297 r = usb_device_add(cmdline);
1298 if (r < 0) {
1299 error_report("could not add USB device '%s'", cmdline);
1300 }
1301 return r;
1302 }
1303
1304 /***********************************************************/
1305 /* machine registration */
1306
1307 MachineState *current_machine;
1308
1309 static MachineClass *find_machine(const char *name, GSList *machines)
1310 {
1311 GSList *el;
1312
1313 for (el = machines; el; el = el->next) {
1314 MachineClass *mc = el->data;
1315
1316 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
1317 return mc;
1318 }
1319 }
1320
1321 return NULL;
1322 }
1323
1324 static MachineClass *find_default_machine(GSList *machines)
1325 {
1326 GSList *el;
1327
1328 for (el = machines; el; el = el->next) {
1329 MachineClass *mc = el->data;
1330
1331 if (mc->is_default) {
1332 return mc;
1333 }
1334 }
1335
1336 return NULL;
1337 }
1338
1339 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1340 {
1341 ObjectProperty *prop;
1342 ObjectPropertyIterator iter;
1343
1344 if (!qemu_opt_has_help_opt(opts)) {
1345 return 0;
1346 }
1347
1348 object_property_iter_init(&iter, OBJECT(machine));
1349 while ((prop = object_property_iter_next(&iter))) {
1350 if (!prop->set) {
1351 continue;
1352 }
1353
1354 printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1355 prop->name, prop->type);
1356 if (prop->description) {
1357 printf(" (%s)\n", prop->description);
1358 } else {
1359 printf("\n");
1360 }
1361 }
1362
1363 return 1;
1364 }
1365
1366 struct VMChangeStateEntry {
1367 VMChangeStateHandler *cb;
1368 void *opaque;
1369 QTAILQ_ENTRY(VMChangeStateEntry) entries;
1370 int priority;
1371 };
1372
1373 static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head;
1374
1375 /**
1376 * qemu_add_vm_change_state_handler_prio:
1377 * @cb: the callback to invoke
1378 * @opaque: user data passed to the callback
1379 * @priority: low priorities execute first when the vm runs and the reverse is
1380 * true when the vm stops
1381 *
1382 * Register a callback function that is invoked when the vm starts or stops
1383 * running.
1384 *
1385 * Returns: an entry to be freed using qemu_del_vm_change_state_handler()
1386 */
1387 VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
1388 VMChangeStateHandler *cb, void *opaque, int priority)
1389 {
1390 VMChangeStateEntry *e;
1391 VMChangeStateEntry *other;
1392
1393 e = g_malloc0(sizeof(*e));
1394 e->cb = cb;
1395 e->opaque = opaque;
1396 e->priority = priority;
1397
1398 /* Keep list sorted in ascending priority order */
1399 QTAILQ_FOREACH(other, &vm_change_state_head, entries) {
1400 if (priority < other->priority) {
1401 QTAILQ_INSERT_BEFORE(other, e, entries);
1402 return e;
1403 }
1404 }
1405
1406 QTAILQ_INSERT_TAIL(&vm_change_state_head, e, entries);
1407 return e;
1408 }
1409
1410 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1411 void *opaque)
1412 {
1413 return qemu_add_vm_change_state_handler_prio(cb, opaque, 0);
1414 }
1415
1416 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1417 {
1418 QTAILQ_REMOVE(&vm_change_state_head, e, entries);
1419 g_free(e);
1420 }
1421
1422 void vm_state_notify(int running, RunState state)
1423 {
1424 VMChangeStateEntry *e, *next;
1425
1426 trace_vm_state_notify(running, state, RunState_str(state));
1427
1428 if (running) {
1429 QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1430 e->cb(e->opaque, running, state);
1431 }
1432 } else {
1433 QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) {
1434 e->cb(e->opaque, running, state);
1435 }
1436 }
1437 }
1438
1439 static ShutdownCause reset_requested;
1440 static ShutdownCause shutdown_requested;
1441 static int shutdown_signal;
1442 static pid_t shutdown_pid;
1443 static int powerdown_requested;
1444 static int debug_requested;
1445 static int suspend_requested;
1446 static bool preconfig_exit_requested = true;
1447 static WakeupReason wakeup_reason;
1448 static NotifierList powerdown_notifiers =
1449 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1450 static NotifierList suspend_notifiers =
1451 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1452 static NotifierList wakeup_notifiers =
1453 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1454 static NotifierList shutdown_notifiers =
1455 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1456 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1457
1458 ShutdownCause qemu_shutdown_requested_get(void)
1459 {
1460 return shutdown_requested;
1461 }
1462
1463 ShutdownCause qemu_reset_requested_get(void)
1464 {
1465 return reset_requested;
1466 }
1467
1468 static int qemu_shutdown_requested(void)
1469 {
1470 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1471 }
1472
1473 static void qemu_kill_report(void)
1474 {
1475 if (!qtest_driver() && shutdown_signal) {
1476 if (shutdown_pid == 0) {
1477 /* This happens for eg ^C at the terminal, so it's worth
1478 * avoiding printing an odd message in that case.
1479 */
1480 error_report("terminating on signal %d", shutdown_signal);
1481 } else {
1482 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1483
1484 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1485 shutdown_signal, shutdown_pid,
1486 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1487 g_free(shutdown_cmd);
1488 }
1489 shutdown_signal = 0;
1490 }
1491 }
1492
1493 static ShutdownCause qemu_reset_requested(void)
1494 {
1495 ShutdownCause r = reset_requested;
1496
1497 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1498 reset_requested = SHUTDOWN_CAUSE_NONE;
1499 return r;
1500 }
1501 return SHUTDOWN_CAUSE_NONE;
1502 }
1503
1504 static int qemu_suspend_requested(void)
1505 {
1506 int r = suspend_requested;
1507 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1508 suspend_requested = 0;
1509 return r;
1510 }
1511 return false;
1512 }
1513
1514 static WakeupReason qemu_wakeup_requested(void)
1515 {
1516 return wakeup_reason;
1517 }
1518
1519 static int qemu_powerdown_requested(void)
1520 {
1521 int r = powerdown_requested;
1522 powerdown_requested = 0;
1523 return r;
1524 }
1525
1526 static int qemu_debug_requested(void)
1527 {
1528 int r = debug_requested;
1529 debug_requested = 0;
1530 return r;
1531 }
1532
1533 void qemu_exit_preconfig_request(void)
1534 {
1535 preconfig_exit_requested = true;
1536 }
1537
1538 /*
1539 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1540 */
1541 void qemu_system_reset(ShutdownCause reason)
1542 {
1543 MachineClass *mc;
1544
1545 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1546
1547 cpu_synchronize_all_states();
1548
1549 if (mc && mc->reset) {
1550 mc->reset(current_machine);
1551 } else {
1552 qemu_devices_reset();
1553 }
1554 if (reason && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1555 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1556 }
1557 cpu_synchronize_all_post_reset();
1558 }
1559
1560 /*
1561 * Wake the VM after suspend.
1562 */
1563 static void qemu_system_wakeup(void)
1564 {
1565 MachineClass *mc;
1566
1567 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1568
1569 if (mc && mc->wakeup) {
1570 mc->wakeup(current_machine);
1571 } else {
1572 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1573 }
1574 }
1575
1576 void qemu_system_guest_panicked(GuestPanicInformation *info)
1577 {
1578 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1579
1580 if (current_cpu) {
1581 current_cpu->crash_occurred = true;
1582 }
1583 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1584 !!info, info);
1585 vm_stop(RUN_STATE_GUEST_PANICKED);
1586 if (!no_shutdown) {
1587 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1588 !!info, info);
1589 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1590 }
1591
1592 if (info) {
1593 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1594 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1595 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1596 info->u.hyper_v.arg1,
1597 info->u.hyper_v.arg2,
1598 info->u.hyper_v.arg3,
1599 info->u.hyper_v.arg4,
1600 info->u.hyper_v.arg5);
1601 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1602 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1603 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1604 info->u.s390.core,
1605 S390CrashReason_str(info->u.s390.reason),
1606 info->u.s390.psw_mask,
1607 info->u.s390.psw_addr);
1608 }
1609 qapi_free_GuestPanicInformation(info);
1610 }
1611 }
1612
1613 void qemu_system_reset_request(ShutdownCause reason)
1614 {
1615 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1616 shutdown_requested = reason;
1617 } else {
1618 reset_requested = reason;
1619 }
1620 cpu_stop_current();
1621 qemu_notify_event();
1622 }
1623
1624 static void qemu_system_suspend(void)
1625 {
1626 pause_all_vcpus();
1627 notifier_list_notify(&suspend_notifiers, NULL);
1628 runstate_set(RUN_STATE_SUSPENDED);
1629 qapi_event_send_suspend();
1630 }
1631
1632 void qemu_system_suspend_request(void)
1633 {
1634 if (runstate_check(RUN_STATE_SUSPENDED)) {
1635 return;
1636 }
1637 suspend_requested = 1;
1638 cpu_stop_current();
1639 qemu_notify_event();
1640 }
1641
1642 void qemu_register_suspend_notifier(Notifier *notifier)
1643 {
1644 notifier_list_add(&suspend_notifiers, notifier);
1645 }
1646
1647 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1648 {
1649 trace_system_wakeup_request(reason);
1650
1651 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1652 error_setg(errp,
1653 "Unable to wake up: guest is not in suspended state");
1654 return;
1655 }
1656 if (!(wakeup_reason_mask & (1 << reason))) {
1657 return;
1658 }
1659 runstate_set(RUN_STATE_RUNNING);
1660 wakeup_reason = reason;
1661 qemu_notify_event();
1662 }
1663
1664 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1665 {
1666 if (enabled) {
1667 wakeup_reason_mask |= (1 << reason);
1668 } else {
1669 wakeup_reason_mask &= ~(1 << reason);
1670 }
1671 }
1672
1673 void qemu_register_wakeup_notifier(Notifier *notifier)
1674 {
1675 notifier_list_add(&wakeup_notifiers, notifier);
1676 }
1677
1678 void qemu_register_wakeup_support(void)
1679 {
1680 wakeup_suspend_enabled = true;
1681 }
1682
1683 bool qemu_wakeup_suspend_enabled(void)
1684 {
1685 return wakeup_suspend_enabled;
1686 }
1687
1688 void qemu_system_killed(int signal, pid_t pid)
1689 {
1690 shutdown_signal = signal;
1691 shutdown_pid = pid;
1692 no_shutdown = 0;
1693
1694 /* Cannot call qemu_system_shutdown_request directly because
1695 * we are in a signal handler.
1696 */
1697 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1698 qemu_notify_event();
1699 }
1700
1701 void qemu_system_shutdown_request(ShutdownCause reason)
1702 {
1703 trace_qemu_system_shutdown_request(reason);
1704 replay_shutdown_request(reason);
1705 shutdown_requested = reason;
1706 qemu_notify_event();
1707 }
1708
1709 static void qemu_system_powerdown(void)
1710 {
1711 qapi_event_send_powerdown();
1712 notifier_list_notify(&powerdown_notifiers, NULL);
1713 }
1714
1715 static void qemu_system_shutdown(ShutdownCause cause)
1716 {
1717 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1718 notifier_list_notify(&shutdown_notifiers, &cause);
1719 }
1720
1721 void qemu_system_powerdown_request(void)
1722 {
1723 trace_qemu_system_powerdown_request();
1724 powerdown_requested = 1;
1725 qemu_notify_event();
1726 }
1727
1728 void qemu_register_powerdown_notifier(Notifier *notifier)
1729 {
1730 notifier_list_add(&powerdown_notifiers, notifier);
1731 }
1732
1733 void qemu_register_shutdown_notifier(Notifier *notifier)
1734 {
1735 notifier_list_add(&shutdown_notifiers, notifier);
1736 }
1737
1738 void qemu_system_debug_request(void)
1739 {
1740 debug_requested = 1;
1741 qemu_notify_event();
1742 }
1743
1744 static bool main_loop_should_exit(void)
1745 {
1746 RunState r;
1747 ShutdownCause request;
1748
1749 if (preconfig_exit_requested) {
1750 if (runstate_check(RUN_STATE_PRECONFIG)) {
1751 runstate_set(RUN_STATE_PRELAUNCH);
1752 }
1753 preconfig_exit_requested = false;
1754 return true;
1755 }
1756 if (qemu_debug_requested()) {
1757 vm_stop(RUN_STATE_DEBUG);
1758 }
1759 if (qemu_suspend_requested()) {
1760 qemu_system_suspend();
1761 }
1762 request = qemu_shutdown_requested();
1763 if (request) {
1764 qemu_kill_report();
1765 qemu_system_shutdown(request);
1766 if (no_shutdown) {
1767 vm_stop(RUN_STATE_SHUTDOWN);
1768 } else {
1769 return true;
1770 }
1771 }
1772 request = qemu_reset_requested();
1773 if (request) {
1774 pause_all_vcpus();
1775 qemu_system_reset(request);
1776 resume_all_vcpus();
1777 if (!runstate_check(RUN_STATE_RUNNING) &&
1778 !runstate_check(RUN_STATE_INMIGRATE)) {
1779 runstate_set(RUN_STATE_PRELAUNCH);
1780 }
1781 }
1782 if (qemu_wakeup_requested()) {
1783 pause_all_vcpus();
1784 qemu_system_wakeup();
1785 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1786 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1787 resume_all_vcpus();
1788 qapi_event_send_wakeup();
1789 }
1790 if (qemu_powerdown_requested()) {
1791 qemu_system_powerdown();
1792 }
1793 if (qemu_vmstop_requested(&r)) {
1794 vm_stop(r);
1795 }
1796 return false;
1797 }
1798
1799 static void main_loop(void)
1800 {
1801 #ifdef CONFIG_PROFILER
1802 int64_t ti;
1803 #endif
1804 while (!main_loop_should_exit()) {
1805 #ifdef CONFIG_PROFILER
1806 ti = profile_getclock();
1807 #endif
1808 main_loop_wait(false);
1809 #ifdef CONFIG_PROFILER
1810 dev_time += profile_getclock() - ti;
1811 #endif
1812 }
1813 }
1814
1815 static void version(void)
1816 {
1817 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1818 QEMU_COPYRIGHT "\n");
1819 }
1820
1821 static void help(int exitcode)
1822 {
1823 version();
1824 printf("usage: %s [options] [disk_image]\n\n"
1825 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1826 error_get_progname());
1827
1828 #define QEMU_OPTIONS_GENERATE_HELP
1829 #include "qemu-options-wrapper.h"
1830
1831 printf("\nDuring emulation, the following keys are useful:\n"
1832 "ctrl-alt-f toggle full screen\n"
1833 "ctrl-alt-n switch to virtual console 'n'\n"
1834 "ctrl-alt toggle mouse and keyboard grab\n"
1835 "\n"
1836 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1837 "\n"
1838 QEMU_HELP_BOTTOM "\n");
1839
1840 exit(exitcode);
1841 }
1842
1843 #define HAS_ARG 0x0001
1844
1845 typedef struct QEMUOption {
1846 const char *name;
1847 int flags;
1848 int index;
1849 uint32_t arch_mask;
1850 } QEMUOption;
1851
1852 static const QEMUOption qemu_options[] = {
1853 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1854 #define QEMU_OPTIONS_GENERATE_OPTIONS
1855 #include "qemu-options-wrapper.h"
1856 { NULL },
1857 };
1858
1859 typedef struct VGAInterfaceInfo {
1860 const char *opt_name; /* option name */
1861 const char *name; /* human-readable name */
1862 /* Class names indicating that support is available.
1863 * If no class is specified, the interface is always available */
1864 const char *class_names[2];
1865 } VGAInterfaceInfo;
1866
1867 static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1868 [VGA_NONE] = {
1869 .opt_name = "none",
1870 .name = "no graphic card",
1871 },
1872 [VGA_STD] = {
1873 .opt_name = "std",
1874 .name = "standard VGA",
1875 .class_names = { "VGA", "isa-vga" },
1876 },
1877 [VGA_CIRRUS] = {
1878 .opt_name = "cirrus",
1879 .name = "Cirrus VGA",
1880 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1881 },
1882 [VGA_VMWARE] = {
1883 .opt_name = "vmware",
1884 .name = "VMWare SVGA",
1885 .class_names = { "vmware-svga" },
1886 },
1887 [VGA_VIRTIO] = {
1888 .opt_name = "virtio",
1889 .name = "Virtio VGA",
1890 .class_names = { "virtio-vga" },
1891 },
1892 [VGA_QXL] = {
1893 .opt_name = "qxl",
1894 .name = "QXL VGA",
1895 .class_names = { "qxl-vga" },
1896 },
1897 [VGA_TCX] = {
1898 .opt_name = "tcx",
1899 .name = "TCX framebuffer",
1900 .class_names = { "SUNW,tcx" },
1901 },
1902 [VGA_CG3] = {
1903 .opt_name = "cg3",
1904 .name = "CG3 framebuffer",
1905 .class_names = { "cgthree" },
1906 },
1907 [VGA_XENFB] = {
1908 .opt_name = "xenfb",
1909 .name = "Xen paravirtualized framebuffer",
1910 },
1911 };
1912
1913 static bool vga_interface_available(VGAInterfaceType t)
1914 {
1915 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1916
1917 assert(t < VGA_TYPE_MAX);
1918 return !ti->class_names[0] ||
1919 object_class_by_name(ti->class_names[0]) ||
1920 object_class_by_name(ti->class_names[1]);
1921 }
1922
1923 static const char *
1924 get_default_vga_model(const MachineClass *machine_class)
1925 {
1926 if (machine_class->default_display) {
1927 return machine_class->default_display;
1928 } else if (vga_interface_available(VGA_CIRRUS)) {
1929 return "cirrus";
1930 } else if (vga_interface_available(VGA_STD)) {
1931 return "std";
1932 }
1933
1934 return NULL;
1935 }
1936
1937 static void select_vgahw(const MachineClass *machine_class, const char *p)
1938 {
1939 const char *opts;
1940 int t;
1941
1942 if (g_str_equal(p, "help")) {
1943 const char *def = get_default_vga_model(machine_class);
1944
1945 for (t = 0; t < VGA_TYPE_MAX; t++) {
1946 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1947
1948 if (vga_interface_available(t) && ti->opt_name) {
1949 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
1950 g_str_equal(ti->opt_name, def) ? " (default)" : "");
1951 }
1952 }
1953 exit(0);
1954 }
1955
1956 assert(vga_interface_type == VGA_NONE);
1957 for (t = 0; t < VGA_TYPE_MAX; t++) {
1958 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1959 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1960 if (!vga_interface_available(t)) {
1961 error_report("%s not available", ti->name);
1962 exit(1);
1963 }
1964 vga_interface_type = t;
1965 break;
1966 }
1967 }
1968 if (t == VGA_TYPE_MAX) {
1969 invalid_vga:
1970 error_report("unknown vga type: %s", p);
1971 exit(1);
1972 }
1973 while (*opts) {
1974 const char *nextopt;
1975
1976 if (strstart(opts, ",retrace=", &nextopt)) {
1977 opts = nextopt;
1978 if (strstart(opts, "dumb", &nextopt))
1979 vga_retrace_method = VGA_RETRACE_DUMB;
1980 else if (strstart(opts, "precise", &nextopt))
1981 vga_retrace_method = VGA_RETRACE_PRECISE;
1982 else goto invalid_vga;
1983 } else goto invalid_vga;
1984 opts = nextopt;
1985 }
1986 }
1987
1988 static void parse_display_qapi(const char *optarg)
1989 {
1990 DisplayOptions *opts;
1991 Visitor *v;
1992
1993 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
1994
1995 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
1996 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
1997
1998 qapi_free_DisplayOptions(opts);
1999 visit_free(v);
2000 }
2001
2002 DisplayOptions *qmp_query_display_options(Error **errp)
2003 {
2004 return QAPI_CLONE(DisplayOptions, &dpy);
2005 }
2006
2007 static void parse_display(const char *p)
2008 {
2009 const char *opts;
2010
2011 if (strstart(p, "sdl", &opts)) {
2012 /*
2013 * sdl DisplayType needs hand-crafted parser instead of
2014 * parse_display_qapi() due to some options not in
2015 * DisplayOptions, specifically:
2016 * - frame
2017 * Already deprecated.
2018 * - ctrl_grab + alt_grab
2019 * Not clear yet what happens to them long-term. Should
2020 * replaced by something better or deprecated and dropped.
2021 */
2022 dpy.type = DISPLAY_TYPE_SDL;
2023 while (*opts) {
2024 const char *nextopt;
2025
2026 if (strstart(opts, ",alt_grab=", &nextopt)) {
2027 opts = nextopt;
2028 if (strstart(opts, "on", &nextopt)) {
2029 alt_grab = 1;
2030 } else if (strstart(opts, "off", &nextopt)) {
2031 alt_grab = 0;
2032 } else {
2033 goto invalid_sdl_args;
2034 }
2035 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2036 opts = nextopt;
2037 if (strstart(opts, "on", &nextopt)) {
2038 ctrl_grab = 1;
2039 } else if (strstart(opts, "off", &nextopt)) {
2040 ctrl_grab = 0;
2041 } else {
2042 goto invalid_sdl_args;
2043 }
2044 } else if (strstart(opts, ",window_close=", &nextopt)) {
2045 opts = nextopt;
2046 dpy.has_window_close = true;
2047 if (strstart(opts, "on", &nextopt)) {
2048 dpy.window_close = true;
2049 } else if (strstart(opts, "off", &nextopt)) {
2050 dpy.window_close = false;
2051 } else {
2052 goto invalid_sdl_args;
2053 }
2054 } else if (strstart(opts, ",gl=", &nextopt)) {
2055 opts = nextopt;
2056 dpy.has_gl = true;
2057 if (strstart(opts, "on", &nextopt)) {
2058 dpy.gl = DISPLAYGL_MODE_ON;
2059 } else if (strstart(opts, "core", &nextopt)) {
2060 dpy.gl = DISPLAYGL_MODE_CORE;
2061 } else if (strstart(opts, "es", &nextopt)) {
2062 dpy.gl = DISPLAYGL_MODE_ES;
2063 } else if (strstart(opts, "off", &nextopt)) {
2064 dpy.gl = DISPLAYGL_MODE_OFF;
2065 } else {
2066 goto invalid_sdl_args;
2067 }
2068 } else {
2069 invalid_sdl_args:
2070 error_report("invalid SDL option string");
2071 exit(1);
2072 }
2073 opts = nextopt;
2074 }
2075 } else if (strstart(p, "vnc", &opts)) {
2076 /*
2077 * vnc isn't a (local) DisplayType but a protocol for remote
2078 * display access.
2079 */
2080 if (*opts == '=') {
2081 vnc_parse(opts + 1, &error_fatal);
2082 } else {
2083 error_report("VNC requires a display argument vnc=<display>");
2084 exit(1);
2085 }
2086 } else {
2087 parse_display_qapi(p);
2088 }
2089 }
2090
2091 char *qemu_find_file(int type, const char *name)
2092 {
2093 int i;
2094 const char *subdir;
2095 char *buf;
2096
2097 /* Try the name as a straight path first */
2098 if (access(name, R_OK) == 0) {
2099 trace_load_file(name, name);
2100 return g_strdup(name);
2101 }
2102
2103 switch (type) {
2104 case QEMU_FILE_TYPE_BIOS:
2105 subdir = "";
2106 break;
2107 case QEMU_FILE_TYPE_KEYMAP:
2108 subdir = "keymaps/";
2109 break;
2110 default:
2111 abort();
2112 }
2113
2114 for (i = 0; i < data_dir_idx; i++) {
2115 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2116 if (access(buf, R_OK) == 0) {
2117 trace_load_file(name, buf);
2118 return buf;
2119 }
2120 g_free(buf);
2121 }
2122 return NULL;
2123 }
2124
2125 static void qemu_add_data_dir(const char *path)
2126 {
2127 int i;
2128
2129 if (path == NULL) {
2130 return;
2131 }
2132 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2133 return;
2134 }
2135 for (i = 0; i < data_dir_idx; i++) {
2136 if (strcmp(data_dir[i], path) == 0) {
2137 return; /* duplicate */
2138 }
2139 }
2140 data_dir[data_dir_idx++] = g_strdup(path);
2141 }
2142
2143 static inline bool nonempty_str(const char *str)
2144 {
2145 return str && *str;
2146 }
2147
2148 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2149 {
2150 gchar *buf;
2151 size_t size;
2152 const char *name, *file, *str;
2153 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2154
2155 if (fw_cfg == NULL) {
2156 error_setg(errp, "fw_cfg device not available");
2157 return -1;
2158 }
2159 name = qemu_opt_get(opts, "name");
2160 file = qemu_opt_get(opts, "file");
2161 str = qemu_opt_get(opts, "string");
2162
2163 /* we need name and either a file or the content string */
2164 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2165 error_setg(errp, "invalid argument(s)");
2166 return -1;
2167 }
2168 if (nonempty_str(file) && nonempty_str(str)) {
2169 error_setg(errp, "file and string are mutually exclusive");
2170 return -1;
2171 }
2172 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2173 error_setg(errp, "name too long (max. %d char)",
2174 FW_CFG_MAX_FILE_PATH - 1);
2175 return -1;
2176 }
2177 if (strncmp(name, "opt/", 4) != 0) {
2178 warn_report("externally provided fw_cfg item names "
2179 "should be prefixed with \"opt/\"");
2180 }
2181 if (nonempty_str(str)) {
2182 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2183 buf = g_memdup(str, size);
2184 } else {
2185 GError *err = NULL;
2186 if (!g_file_get_contents(file, &buf, &size, &err)) {
2187 error_setg(errp, "can't load %s: %s", file, err->message);
2188 g_error_free(err);
2189 return -1;
2190 }
2191 }
2192 /* For legacy, keep user files in a specific global order. */
2193 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2194 fw_cfg_add_file(fw_cfg, name, buf, size);
2195 fw_cfg_reset_order_override(fw_cfg);
2196 return 0;
2197 }
2198
2199 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2200 {
2201 return qdev_device_help(opts);
2202 }
2203
2204 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2205 {
2206 DeviceState *dev;
2207
2208 dev = qdev_device_add(opts, errp);
2209 if (!dev) {
2210 return -1;
2211 }
2212 object_unref(OBJECT(dev));
2213 return 0;
2214 }
2215
2216 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2217 {
2218 Error *local_err = NULL;
2219
2220 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2221 if (local_err) {
2222 error_propagate(errp, local_err);
2223 return -1;
2224 }
2225 exit(0);
2226 }
2227 return 0;
2228 }
2229
2230 #ifdef CONFIG_VIRTFS
2231 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2232 {
2233 return qemu_fsdev_add(opts, errp);
2234 }
2235 #endif
2236
2237 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2238 {
2239 Chardev *chr;
2240 bool qmp;
2241 bool pretty = false;
2242 const char *chardev;
2243 const char *mode;
2244
2245 mode = qemu_opt_get(opts, "mode");
2246 if (mode == NULL) {
2247 mode = "readline";
2248 }
2249 if (strcmp(mode, "readline") == 0) {
2250 qmp = false;
2251 } else if (strcmp(mode, "control") == 0) {
2252 qmp = true;
2253 } else {
2254 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2255 return -1;
2256 }
2257
2258 if (!qmp && qemu_opt_get(opts, "pretty")) {
2259 warn_report("'pretty' is deprecated for HMP monitors, it has no effect "
2260 "and will be removed in future versions");
2261 }
2262 if (qemu_opt_get_bool(opts, "pretty", 0)) {
2263 pretty = true;
2264 }
2265
2266 chardev = qemu_opt_get(opts, "chardev");
2267 if (!chardev) {
2268 error_report("chardev is required");
2269 exit(1);
2270 }
2271 chr = qemu_chr_find(chardev);
2272 if (chr == NULL) {
2273 error_setg(errp, "chardev \"%s\" not found", chardev);
2274 return -1;
2275 }
2276
2277 if (qmp) {
2278 monitor_init_qmp(chr, pretty);
2279 } else {
2280 monitor_init_hmp(chr, true);
2281 }
2282 return 0;
2283 }
2284
2285 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2286 {
2287 static int monitor_device_index = 0;
2288 QemuOpts *opts;
2289 const char *p;
2290 char label[32];
2291
2292 if (strstart(optarg, "chardev:", &p)) {
2293 snprintf(label, sizeof(label), "%s", p);
2294 } else {
2295 snprintf(label, sizeof(label), "compat_monitor%d",
2296 monitor_device_index);
2297 opts = qemu_chr_parse_compat(label, optarg, true);
2298 if (!opts) {
2299 error_report("parse error: %s", optarg);
2300 exit(1);
2301 }
2302 }
2303
2304 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2305 qemu_opt_set(opts, "mode", mode, &error_abort);
2306 qemu_opt_set(opts, "chardev", label, &error_abort);
2307 if (!strcmp(mode, "control")) {
2308 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2309 } else {
2310 assert(pretty == false);
2311 }
2312 monitor_device_index++;
2313 }
2314
2315 struct device_config {
2316 enum {
2317 DEV_USB, /* -usbdevice */
2318 DEV_BT, /* -bt */
2319 DEV_SERIAL, /* -serial */
2320 DEV_PARALLEL, /* -parallel */
2321 DEV_DEBUGCON, /* -debugcon */
2322 DEV_GDB, /* -gdb, -s */
2323 DEV_SCLP, /* s390 sclp */
2324 } type;
2325 const char *cmdline;
2326 Location loc;
2327 QTAILQ_ENTRY(device_config) next;
2328 };
2329
2330 static QTAILQ_HEAD(, device_config) device_configs =
2331 QTAILQ_HEAD_INITIALIZER(device_configs);
2332
2333 static void add_device_config(int type, const char *cmdline)
2334 {
2335 struct device_config *conf;
2336
2337 conf = g_malloc0(sizeof(*conf));
2338 conf->type = type;
2339 conf->cmdline = cmdline;
2340 loc_save(&conf->loc);
2341 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2342 }
2343
2344 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2345 {
2346 struct device_config *conf;
2347 int rc;
2348
2349 QTAILQ_FOREACH(conf, &device_configs, next) {
2350 if (conf->type != type)
2351 continue;
2352 loc_push_restore(&conf->loc);
2353 rc = func(conf->cmdline);
2354 loc_pop(&conf->loc);
2355 if (rc) {
2356 return rc;
2357 }
2358 }
2359 return 0;
2360 }
2361
2362 static int serial_parse(const char *devname)
2363 {
2364 int index = num_serial_hds;
2365 char label[32];
2366
2367 if (strcmp(devname, "none") == 0)
2368 return 0;
2369 snprintf(label, sizeof(label), "serial%d", index);
2370 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2371
2372 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2373 if (!serial_hds[index]) {
2374 error_report("could not connect serial device"
2375 " to character backend '%s'", devname);
2376 return -1;
2377 }
2378 num_serial_hds++;
2379 return 0;
2380 }
2381
2382 Chardev *serial_hd(int i)
2383 {
2384 assert(i >= 0);
2385 if (i < num_serial_hds) {
2386 return serial_hds[i];
2387 }
2388 return NULL;
2389 }
2390
2391 int serial_max_hds(void)
2392 {
2393 return num_serial_hds;
2394 }
2395
2396 static int parallel_parse(const char *devname)
2397 {
2398 static int index = 0;
2399 char label[32];
2400
2401 if (strcmp(devname, "none") == 0)
2402 return 0;
2403 if (index == MAX_PARALLEL_PORTS) {
2404 error_report("too many parallel ports");
2405 exit(1);
2406 }
2407 snprintf(label, sizeof(label), "parallel%d", index);
2408 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2409 if (!parallel_hds[index]) {
2410 error_report("could not connect parallel device"
2411 " to character backend '%s'", devname);
2412 return -1;
2413 }
2414 index++;
2415 return 0;
2416 }
2417
2418 static int debugcon_parse(const char *devname)
2419 {
2420 QemuOpts *opts;
2421
2422 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
2423 error_report("invalid character backend '%s'", devname);
2424 exit(1);
2425 }
2426 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2427 if (!opts) {
2428 error_report("already have a debugcon device");
2429 exit(1);
2430 }
2431 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2432 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2433 return 0;
2434 }
2435
2436 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2437 {
2438 const MachineClass *mc1 = a, *mc2 = b;
2439 int res;
2440
2441 if (mc1->family == NULL) {
2442 if (mc2->family == NULL) {
2443 /* Compare standalone machine types against each other; they sort
2444 * in increasing order.
2445 */
2446 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2447 object_class_get_name(OBJECT_CLASS(mc2)));
2448 }
2449
2450 /* Standalone machine types sort after families. */
2451 return 1;
2452 }
2453
2454 if (mc2->family == NULL) {
2455 /* Families sort before standalone machine types. */
2456 return -1;
2457 }
2458
2459 /* Families sort between each other alphabetically increasingly. */
2460 res = strcmp(mc1->family, mc2->family);
2461 if (res != 0) {
2462 return res;
2463 }
2464
2465 /* Within the same family, machine types sort in decreasing order. */
2466 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2467 object_class_get_name(OBJECT_CLASS(mc1)));
2468 }
2469
2470 static MachineClass *machine_parse(const char *name, GSList *machines)
2471 {
2472 MachineClass *mc;
2473 GSList *el;
2474
2475 if (is_help_option(name)) {
2476 printf("Supported machines are:\n");
2477 machines = g_slist_sort(machines, machine_class_cmp);
2478 for (el = machines; el; el = el->next) {
2479 MachineClass *mc = el->data;
2480 if (mc->alias) {
2481 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2482 }
2483 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2484 mc->is_default ? " (default)" : "",
2485 mc->deprecation_reason ? " (deprecated)" : "");
2486 }
2487 exit(0);
2488 }
2489
2490 mc = find_machine(name, machines);
2491 if (!mc) {
2492 error_report("unsupported machine type");
2493 error_printf("Use -machine help to list supported machines\n");
2494 exit(1);
2495 }
2496 return mc;
2497 }
2498
2499 void qemu_add_exit_notifier(Notifier *notify)
2500 {
2501 notifier_list_add(&exit_notifiers, notify);
2502 }
2503
2504 void qemu_remove_exit_notifier(Notifier *notify)
2505 {
2506 notifier_remove(notify);
2507 }
2508
2509 static void qemu_run_exit_notifiers(void)
2510 {
2511 notifier_list_notify(&exit_notifiers, NULL);
2512 }
2513
2514 static const char *pid_file;
2515 static Notifier qemu_unlink_pidfile_notifier;
2516
2517 static void qemu_unlink_pidfile(Notifier *n, void *data)
2518 {
2519 if (pid_file) {
2520 unlink(pid_file);
2521 }
2522 }
2523
2524 bool machine_init_done;
2525
2526 void qemu_add_machine_init_done_notifier(Notifier *notify)
2527 {
2528 notifier_list_add(&machine_init_done_notifiers, notify);
2529 if (machine_init_done) {
2530 notify->notify(notify, NULL);
2531 }
2532 }
2533
2534 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2535 {
2536 notifier_remove(notify);
2537 }
2538
2539 static void qemu_run_machine_init_done_notifiers(void)
2540 {
2541 machine_init_done = true;
2542 notifier_list_notify(&machine_init_done_notifiers, NULL);
2543 }
2544
2545 static const QEMUOption *lookup_opt(int argc, char **argv,
2546 const char **poptarg, int *poptind)
2547 {
2548 const QEMUOption *popt;
2549 int optind = *poptind;
2550 char *r = argv[optind];
2551 const char *optarg;
2552
2553 loc_set_cmdline(argv, optind, 1);
2554 optind++;
2555 /* Treat --foo the same as -foo. */
2556 if (r[1] == '-')
2557 r++;
2558 popt = qemu_options;
2559 for(;;) {
2560 if (!popt->name) {
2561 error_report("invalid option");
2562 exit(1);
2563 }
2564 if (!strcmp(popt->name, r + 1))
2565 break;
2566 popt++;
2567 }
2568 if (popt->flags & HAS_ARG) {
2569 if (optind >= argc) {
2570 error_report("requires an argument");
2571 exit(1);
2572 }
2573 optarg = argv[optind++];
2574 loc_set_cmdline(argv, optind - 2, 2);
2575 } else {
2576 optarg = NULL;
2577 }
2578
2579 *poptarg = optarg;
2580 *poptind = optind;
2581
2582 return popt;
2583 }
2584
2585 static MachineClass *select_machine(void)
2586 {
2587 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
2588 MachineClass *machine_class = find_default_machine(machines);
2589 const char *optarg;
2590 QemuOpts *opts;
2591 Location loc;
2592
2593 loc_push_none(&loc);
2594
2595 opts = qemu_get_machine_opts();
2596 qemu_opts_loc_restore(opts);
2597
2598 optarg = qemu_opt_get(opts, "type");
2599 if (optarg) {
2600 machine_class = machine_parse(optarg, machines);
2601 }
2602
2603 if (!machine_class) {
2604 error_report("No machine specified, and there is no default");
2605 error_printf("Use -machine help to list supported machines\n");
2606 exit(1);
2607 }
2608
2609 loc_pop(&loc);
2610 g_slist_free(machines);
2611 return machine_class;
2612 }
2613
2614 static int machine_set_property(void *opaque,
2615 const char *name, const char *value,
2616 Error **errp)
2617 {
2618 Object *obj = OBJECT(opaque);
2619 Error *local_err = NULL;
2620 char *p, *qom_name;
2621
2622 if (strcmp(name, "type") == 0) {
2623 return 0;
2624 }
2625
2626 qom_name = g_strdup(name);
2627 for (p = qom_name; *p; p++) {
2628 if (*p == '_') {
2629 *p = '-';
2630 }
2631 }
2632
2633 object_property_parse(obj, value, qom_name, &local_err);
2634 g_free(qom_name);
2635
2636 if (local_err) {
2637 error_propagate(errp, local_err);
2638 return -1;
2639 }
2640
2641 return 0;
2642 }
2643
2644
2645 /*
2646 * Initial object creation happens before all other
2647 * QEMU data types are created. The majority of objects
2648 * can be created at this point. The rng-egd object
2649 * cannot be created here, as it depends on the chardev
2650 * already existing.
2651 */
2652 static bool object_create_initial(const char *type, QemuOpts *opts)
2653 {
2654 ObjectClass *klass;
2655
2656 if (is_help_option(type)) {
2657 GSList *l, *list;
2658
2659 printf("List of user creatable objects:\n");
2660 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2661 for (l = list; l != NULL; l = l->next) {
2662 ObjectClass *oc = OBJECT_CLASS(l->data);
2663 printf(" %s\n", object_class_get_name(oc));
2664 }
2665 g_slist_free(list);
2666 exit(0);
2667 }
2668
2669 klass = object_class_by_name(type);
2670 if (klass && qemu_opt_has_help_opt(opts)) {
2671 ObjectPropertyIterator iter;
2672 ObjectProperty *prop;
2673 GPtrArray *array = g_ptr_array_new();
2674 int i;
2675
2676 object_class_property_iter_init(&iter, klass);
2677 while ((prop = object_property_iter_next(&iter))) {
2678 GString *str;
2679
2680 if (!prop->set) {
2681 continue;
2682 }
2683
2684 str = g_string_new(NULL);
2685 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2686 if (prop->description) {
2687 if (str->len < 24) {
2688 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2689 }
2690 g_string_append_printf(str, " - %s", prop->description);
2691 }
2692 g_ptr_array_add(array, g_string_free(str, false));
2693 }
2694 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2695 if (array->len > 0) {
2696 printf("%s options:\n", type);
2697 } else {
2698 printf("There are no options for %s.\n", type);
2699 }
2700 for (i = 0; i < array->len; i++) {
2701 printf("%s\n", (char *)array->pdata[i]);
2702 }
2703 g_ptr_array_set_free_func(array, g_free);
2704 g_ptr_array_free(array, true);
2705 exit(0);
2706 }
2707
2708 /*
2709 * Objects should not be made "delayed" without a reason. If you
2710 * add one, state the reason in a comment!
2711 */
2712
2713 /* Reason: rng-egd property "chardev" */
2714 if (g_str_equal(type, "rng-egd")) {
2715 return false;
2716 }
2717
2718 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2719 /* Reason: cryptodev-vhost-user property "chardev" */
2720 if (g_str_equal(type, "cryptodev-vhost-user")) {
2721 return false;
2722 }
2723 #endif
2724
2725 /*
2726 * Reason: filter-* property "netdev" etc.
2727 */
2728 if (g_str_equal(type, "filter-buffer") ||
2729 g_str_equal(type, "filter-dump") ||
2730 g_str_equal(type, "filter-mirror") ||
2731 g_str_equal(type, "filter-redirector") ||
2732 g_str_equal(type, "colo-compare") ||
2733 g_str_equal(type, "filter-rewriter") ||
2734 g_str_equal(type, "filter-replay")) {
2735 return false;
2736 }
2737
2738 /* Memory allocation by backends needs to be done
2739 * after configure_accelerator() (due to the tcg_enabled()
2740 * checks at memory_region_init_*()).
2741 *
2742 * Also, allocation of large amounts of memory may delay
2743 * chardev initialization for too long, and trigger timeouts
2744 * on software that waits for a monitor socket to be created
2745 * (e.g. libvirt).
2746 */
2747 if (g_str_has_prefix(type, "memory-backend-")) {
2748 return false;
2749 }
2750
2751 return true;
2752 }
2753
2754
2755 /*
2756 * The remainder of object creation happens after the
2757 * creation of chardev, fsdev, net clients and device data types.
2758 */
2759 static bool object_create_delayed(const char *type, QemuOpts *opts)
2760 {
2761 return !object_create_initial(type, opts);
2762 }
2763
2764
2765 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2766 MachineClass *mc)
2767 {
2768 uint64_t sz;
2769 const char *mem_str;
2770 const ram_addr_t default_ram_size = mc->default_ram_size;
2771 QemuOpts *opts = qemu_find_opts_singleton("memory");
2772 Location loc;
2773
2774 loc_push_none(&loc);
2775 qemu_opts_loc_restore(opts);
2776
2777 sz = 0;
2778 mem_str = qemu_opt_get(opts, "size");
2779 if (mem_str) {
2780 if (!*mem_str) {
2781 error_report("missing 'size' option value");
2782 exit(EXIT_FAILURE);
2783 }
2784
2785 sz = qemu_opt_get_size(opts, "size", ram_size);
2786
2787 /* Fix up legacy suffix-less format */
2788 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2789 uint64_t overflow_check = sz;
2790
2791 sz *= MiB;
2792 if (sz / MiB != overflow_check) {
2793 error_report("too large 'size' option value");
2794 exit(EXIT_FAILURE);
2795 }
2796 }
2797 }
2798
2799 /* backward compatibility behaviour for case "-m 0" */
2800 if (sz == 0) {
2801 sz = default_ram_size;
2802 }
2803
2804 sz = QEMU_ALIGN_UP(sz, 8192);
2805 ram_size = sz;
2806 if (ram_size != sz) {
2807 error_report("ram size too large");
2808 exit(EXIT_FAILURE);
2809 }
2810
2811 /* store value for the future use */
2812 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2813 *maxram_size = ram_size;
2814
2815 if (qemu_opt_get(opts, "maxmem")) {
2816 uint64_t slots;
2817
2818 sz = qemu_opt_get_size(opts, "maxmem", 0);
2819 slots = qemu_opt_get_number(opts, "slots", 0);
2820 if (sz < ram_size) {
2821 error_report("invalid value of -m option maxmem: "
2822 "maximum memory size (0x%" PRIx64 ") must be at least "
2823 "the initial memory size (0x" RAM_ADDR_FMT ")",
2824 sz, ram_size);
2825 exit(EXIT_FAILURE);
2826 } else if (slots && sz == ram_size) {
2827 error_report("invalid value of -m option maxmem: "
2828 "memory slots were specified but maximum memory size "
2829 "(0x%" PRIx64 ") is equal to the initial memory size "
2830 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2831 exit(EXIT_FAILURE);
2832 }
2833
2834 *maxram_size = sz;
2835 *ram_slots = slots;
2836 } else if (qemu_opt_get(opts, "slots")) {
2837 error_report("invalid -m option value: missing 'maxmem' option");
2838 exit(EXIT_FAILURE);
2839 }
2840
2841 loc_pop(&loc);
2842 }
2843
2844 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2845 {
2846 GlobalProperty *g;
2847
2848 g = g_malloc0(sizeof(*g));
2849 g->driver = qemu_opt_get(opts, "driver");
2850 g->property = qemu_opt_get(opts, "property");
2851 g->value = qemu_opt_get(opts, "value");
2852 qdev_prop_register_global(g);
2853 return 0;
2854 }
2855
2856 static int qemu_read_default_config_file(void)
2857 {
2858 int ret;
2859
2860 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2861 if (ret < 0 && ret != -ENOENT) {
2862 return ret;
2863 }
2864
2865 return 0;
2866 }
2867
2868 static void user_register_global_props(void)
2869 {
2870 qemu_opts_foreach(qemu_find_opts("global"),
2871 global_init_func, NULL, NULL);
2872 }
2873
2874 int main(int argc, char **argv, char **envp)
2875 {
2876 int i;
2877 int snapshot, linux_boot;
2878 const char *initrd_filename;
2879 const char *kernel_filename, *kernel_cmdline;
2880 const char *boot_order = NULL;
2881 const char *boot_once = NULL;
2882 DisplayState *ds;
2883 QemuOpts *opts, *machine_opts;
2884 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2885 QemuOptsList *olist;
2886 int optind;
2887 const char *optarg;
2888 const char *loadvm = NULL;
2889 MachineClass *machine_class;
2890 const char *cpu_option;
2891 const char *vga_model = NULL;
2892 const char *qtest_chrdev = NULL;
2893 const char *qtest_log = NULL;
2894 const char *incoming = NULL;
2895 bool userconfig = true;
2896 bool nographic = false;
2897 int display_remote = 0;
2898 const char *log_mask = NULL;
2899 const char *log_file = NULL;
2900 char *trace_file = NULL;
2901 ram_addr_t maxram_size;
2902 uint64_t ram_slots = 0;
2903 FILE *vmstate_dump_file = NULL;
2904 Error *main_loop_err = NULL;
2905 Error *err = NULL;
2906 bool list_data_dirs = false;
2907 char *dir, **dirs;
2908 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2909
2910 os_set_line_buffering();
2911
2912 error_init(argv[0]);
2913 module_call_init(MODULE_INIT_TRACE);
2914
2915 qemu_init_cpu_list();
2916 qemu_init_cpu_loop();
2917
2918 qemu_mutex_lock_iothread();
2919
2920 atexit(qemu_run_exit_notifiers);
2921 qemu_init_exec_dir(argv[0]);
2922
2923 module_call_init(MODULE_INIT_QOM);
2924
2925 qemu_add_opts(&qemu_drive_opts);
2926 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2927 qemu_add_drive_opts(&qemu_common_drive_opts);
2928 qemu_add_drive_opts(&qemu_drive_opts);
2929 qemu_add_drive_opts(&bdrv_runtime_opts);
2930 qemu_add_opts(&qemu_chardev_opts);
2931 qemu_add_opts(&qemu_device_opts);
2932 qemu_add_opts(&qemu_netdev_opts);
2933 qemu_add_opts(&qemu_nic_opts);
2934 qemu_add_opts(&qemu_net_opts);
2935 qemu_add_opts(&qemu_rtc_opts);
2936 qemu_add_opts(&qemu_global_opts);
2937 qemu_add_opts(&qemu_mon_opts);
2938 qemu_add_opts(&qemu_trace_opts);
2939 qemu_add_opts(&qemu_option_rom_opts);
2940 qemu_add_opts(&qemu_machine_opts);
2941 qemu_add_opts(&qemu_accel_opts);
2942 qemu_add_opts(&qemu_mem_opts);
2943 qemu_add_opts(&qemu_smp_opts);
2944 qemu_add_opts(&qemu_boot_opts);
2945 qemu_add_opts(&qemu_add_fd_opts);
2946 qemu_add_opts(&qemu_object_opts);
2947 qemu_add_opts(&qemu_tpmdev_opts);
2948 qemu_add_opts(&qemu_realtime_opts);
2949 qemu_add_opts(&qemu_overcommit_opts);
2950 qemu_add_opts(&qemu_msg_opts);
2951 qemu_add_opts(&qemu_name_opts);
2952 qemu_add_opts(&qemu_numa_opts);
2953 qemu_add_opts(&qemu_icount_opts);
2954 qemu_add_opts(&qemu_semihosting_config_opts);
2955 qemu_add_opts(&qemu_fw_cfg_opts);
2956 module_call_init(MODULE_INIT_OPTS);
2957
2958 runstate_init();
2959 precopy_infrastructure_init();
2960 postcopy_infrastructure_init();
2961 monitor_init_globals();
2962
2963 if (qcrypto_init(&err) < 0) {
2964 error_reportf_err(err, "cannot initialize crypto: ");
2965 exit(1);
2966 }
2967
2968 QTAILQ_INIT(&vm_change_state_head);
2969 os_setup_early_signal_handling();
2970
2971 cpu_option = NULL;
2972 snapshot = 0;
2973
2974 nb_nics = 0;
2975
2976 bdrv_init_with_whitelist();
2977
2978 autostart = 1;
2979
2980 /* first pass of option parsing */
2981 optind = 1;
2982 while (optind < argc) {
2983 if (argv[optind][0] != '-') {
2984 /* disk image */
2985 optind++;
2986 } else {
2987 const QEMUOption *popt;
2988
2989 popt = lookup_opt(argc, argv, &optarg, &optind);
2990 switch (popt->index) {
2991 case QEMU_OPTION_nouserconfig:
2992 userconfig = false;
2993 break;
2994 }
2995 }
2996 }
2997
2998 if (userconfig) {
2999 if (qemu_read_default_config_file() < 0) {
3000 exit(1);
3001 }
3002 }
3003
3004 /* second pass of option parsing */
3005 optind = 1;
3006 for(;;) {
3007 if (optind >= argc)
3008 break;
3009 if (argv[optind][0] != '-') {
3010 loc_set_cmdline(argv, optind, 1);
3011 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3012 } else {
3013 const QEMUOption *popt;
3014
3015 popt = lookup_opt(argc, argv, &optarg, &optind);
3016 if (!(popt->arch_mask & arch_type)) {
3017 error_report("Option not supported for this target");
3018 exit(1);
3019 }
3020 switch(popt->index) {
3021 case QEMU_OPTION_cpu:
3022 /* hw initialization will check this */
3023 cpu_option = optarg;
3024 break;
3025 case QEMU_OPTION_hda:
3026 case QEMU_OPTION_hdb:
3027 case QEMU_OPTION_hdc:
3028 case QEMU_OPTION_hdd:
3029 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3030 HD_OPTS);
3031 break;
3032 case QEMU_OPTION_blockdev:
3033 {
3034 Visitor *v;
3035 BlockdevOptionsQueueEntry *bdo;
3036
3037 v = qobject_input_visitor_new_str(optarg, "driver",
3038 &error_fatal);
3039
3040 bdo = g_new(BlockdevOptionsQueueEntry, 1);
3041 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3042 &error_fatal);
3043 visit_free(v);
3044 loc_save(&bdo->loc);
3045 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3046 break;
3047 }
3048 case QEMU_OPTION_drive:
3049 if (drive_def(optarg) == NULL) {
3050 exit(1);
3051 }
3052 break;
3053 case QEMU_OPTION_set:
3054 if (qemu_set_option(optarg) != 0)
3055 exit(1);
3056 break;
3057 case QEMU_OPTION_global:
3058 if (qemu_global_option(optarg) != 0)
3059 exit(1);
3060 break;
3061 case QEMU_OPTION_mtdblock:
3062 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3063 break;
3064 case QEMU_OPTION_sd:
3065 drive_add(IF_SD, -1, optarg, SD_OPTS);
3066 break;
3067 case QEMU_OPTION_pflash:
3068 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3069 break;
3070 case QEMU_OPTION_snapshot:
3071 snapshot = 1;
3072 break;
3073 case QEMU_OPTION_numa:
3074 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3075 optarg, true);
3076 if (!opts) {
3077 exit(1);
3078 }
3079 break;
3080 case QEMU_OPTION_display:
3081 parse_display(optarg);
3082 break;
3083 case QEMU_OPTION_nographic:
3084 olist = qemu_find_opts("machine");
3085 qemu_opts_parse_noisily(olist, "graphics=off", false);
3086 nographic = true;
3087 dpy.type = DISPLAY_TYPE_NONE;
3088 break;
3089 case QEMU_OPTION_curses:
3090 #ifdef CONFIG_CURSES
3091 dpy.type = DISPLAY_TYPE_CURSES;
3092 #else
3093 error_report("curses or iconv support is disabled");
3094 exit(1);
3095 #endif
3096 break;
3097 case QEMU_OPTION_portrait:
3098 graphic_rotate = 90;
3099 break;
3100 case QEMU_OPTION_rotate:
3101 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3102 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3103 graphic_rotate != 180 && graphic_rotate != 270) {
3104 error_report("only 90, 180, 270 deg rotation is available");
3105 exit(1);
3106 }
3107 break;
3108 case QEMU_OPTION_kernel:
3109 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3110 &error_abort);
3111 break;
3112 case QEMU_OPTION_initrd:
3113 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3114 &error_abort);
3115 break;
3116 case QEMU_OPTION_append:
3117 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3118 &error_abort);
3119 break;
3120 case QEMU_OPTION_dtb:
3121 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3122 &error_abort);
3123 break;
3124 case QEMU_OPTION_cdrom:
3125 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3126 break;
3127 case QEMU_OPTION_boot:
3128 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3129 optarg, true);
3130 if (!opts) {
3131 exit(1);
3132 }
3133 break;
3134 case QEMU_OPTION_fda:
3135 case QEMU_OPTION_fdb:
3136 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3137 optarg, FD_OPTS);
3138 break;
3139 case QEMU_OPTION_no_fd_bootchk:
3140 fd_bootchk = 0;
3141 break;
3142 case QEMU_OPTION_netdev:
3143 default_net = 0;
3144 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3145 exit(1);
3146 }
3147 break;
3148 case QEMU_OPTION_nic:
3149 default_net = 0;
3150 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3151 exit(1);
3152 }
3153 break;
3154 case QEMU_OPTION_net:
3155 default_net = 0;
3156 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3157 exit(1);
3158 }
3159 break;
3160 #ifdef CONFIG_LIBISCSI
3161 case QEMU_OPTION_iscsi:
3162 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3163 optarg, false);
3164 if (!opts) {
3165 exit(1);
3166 }
3167 break;
3168 #endif
3169 case QEMU_OPTION_bt:
3170 warn_report("The bluetooth subsystem is deprecated and will "
3171 "be removed soon. If the bluetooth subsystem is "
3172 "still useful for you, please send a mail to "
3173 "qemu-devel@nongnu.org with your usecase.");
3174 add_device_config(DEV_BT, optarg);
3175 break;
3176 case QEMU_OPTION_audio_help:
3177 audio_legacy_help();
3178 exit (0);
3179 break;
3180 case QEMU_OPTION_audiodev:
3181 audio_parse_option(optarg);
3182 break;
3183 case QEMU_OPTION_soundhw:
3184 select_soundhw (optarg);
3185 break;
3186 case QEMU_OPTION_h:
3187 help(0);
3188 break;
3189 case QEMU_OPTION_version:
3190 version();
3191 exit(0);
3192 break;
3193 case QEMU_OPTION_m:
3194 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3195 optarg, true);
3196 if (!opts) {
3197 exit(EXIT_FAILURE);
3198 }
3199 break;
3200 #ifdef CONFIG_TPM
3201 case QEMU_OPTION_tpmdev:
3202 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3203 exit(1);
3204 }
3205 break;
3206 #endif
3207 case QEMU_OPTION_mempath:
3208 mem_path = optarg;
3209 break;
3210 case QEMU_OPTION_mem_prealloc:
3211 mem_prealloc = 1;
3212 break;
3213 case QEMU_OPTION_d:
3214 log_mask = optarg;
3215 break;
3216 case QEMU_OPTION_D:
3217 log_file = optarg;
3218 break;
3219 case QEMU_OPTION_DFILTER:
3220 qemu_set_dfilter_ranges(optarg, &error_fatal);
3221 break;
3222 case QEMU_OPTION_seed:
3223 qemu_guest_random_seed_main(optarg, &error_fatal);
3224 break;
3225 case QEMU_OPTION_s:
3226 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3227 break;
3228 case QEMU_OPTION_gdb:
3229 add_device_config(DEV_GDB, optarg);
3230 break;
3231 case QEMU_OPTION_L:
3232 if (is_help_option(optarg)) {
3233 list_data_dirs = true;
3234 } else {
3235 qemu_add_data_dir(optarg);
3236 }
3237 break;
3238 case QEMU_OPTION_bios:
3239 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3240 &error_abort);
3241 break;
3242 case QEMU_OPTION_singlestep:
3243 singlestep = 1;
3244 break;
3245 case QEMU_OPTION_S:
3246 autostart = 0;
3247 break;
3248 case QEMU_OPTION_k:
3249 keyboard_layout = optarg;
3250 break;
3251 case QEMU_OPTION_vga:
3252 vga_model = optarg;
3253 default_vga = 0;
3254 break;
3255 case QEMU_OPTION_g:
3256 {
3257 const char *p;
3258 int w, h, depth;
3259 p = optarg;
3260 w = strtol(p, (char **)&p, 10);
3261 if (w <= 0) {
3262 graphic_error:
3263 error_report("invalid resolution or depth");
3264 exit(1);
3265 }
3266 if (*p != 'x')
3267 goto graphic_error;
3268 p++;
3269 h = strtol(p, (char **)&p, 10);
3270 if (h <= 0)
3271 goto graphic_error;
3272 if (*p == 'x') {
3273 p++;
3274 depth = strtol(p, (char **)&p, 10);
3275 if (depth != 8 && depth != 15 && depth != 16 &&
3276 depth != 24 && depth != 32)
3277 goto graphic_error;
3278 } else if (*p == '\0') {
3279 depth = graphic_depth;
3280 } else {
3281 goto graphic_error;
3282 }
3283
3284 graphic_width = w;
3285 graphic_height = h;
3286 graphic_depth = depth;
3287 }
3288 break;
3289 case QEMU_OPTION_echr:
3290 {
3291 char *r;
3292 term_escape_char = strtol(optarg, &r, 0);
3293 if (r == optarg)
3294 printf("Bad argument to echr\n");
3295 break;
3296 }
3297 case QEMU_OPTION_monitor:
3298 default_monitor = 0;
3299 if (strncmp(optarg, "none", 4)) {
3300 monitor_parse(optarg, "readline", false);
3301 }
3302 break;
3303 case QEMU_OPTION_qmp:
3304 monitor_parse(optarg, "control", false);
3305 default_monitor = 0;
3306 break;
3307 case QEMU_OPTION_qmp_pretty:
3308 monitor_parse(optarg, "control", true);
3309 default_monitor = 0;
3310 break;
3311 case QEMU_OPTION_mon:
3312 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3313 true);
3314 if (!opts) {
3315 exit(1);
3316 }
3317 default_monitor = 0;
3318 break;
3319 case QEMU_OPTION_chardev:
3320 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3321 optarg, true);
3322 if (!opts) {
3323 exit(1);
3324 }
3325 break;
3326 case QEMU_OPTION_fsdev:
3327 olist = qemu_find_opts("fsdev");
3328 if (!olist) {
3329 error_report("fsdev support is disabled");
3330 exit(1);
3331 }
3332 opts = qemu_opts_parse_noisily(olist, optarg, true);
3333 if (!opts) {
3334 exit(1);
3335 }
3336 break;
3337 case QEMU_OPTION_virtfs: {
3338 QemuOpts *fsdev;
3339 QemuOpts *device;
3340 const char *writeout, *sock_fd, *socket, *path, *security_model;
3341
3342 olist = qemu_find_opts("virtfs");
3343 if (!olist) {
3344 error_report("virtfs support is disabled");
3345 exit(1);
3346 }
3347 opts = qemu_opts_parse_noisily(olist, optarg, true);
3348 if (!opts) {
3349 exit(1);
3350 }
3351
3352 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3353 qemu_opt_get(opts, "mount_tag") == NULL) {
3354 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3355 exit(1);
3356 }
3357 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3358 qemu_opts_id(opts) ?:
3359 qemu_opt_get(opts, "mount_tag"),
3360 1, NULL);
3361 if (!fsdev) {
3362 error_report("duplicate or invalid fsdev id: %s",
3363 qemu_opt_get(opts, "mount_tag"));
3364 exit(1);
3365 }
3366
3367 writeout = qemu_opt_get(opts, "writeout");
3368 if (writeout) {
3369 #ifdef CONFIG_SYNC_FILE_RANGE
3370 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3371 #else
3372 error_report("writeout=immediate not supported "
3373 "on this platform");
3374 exit(1);
3375 #endif
3376 }
3377 qemu_opt_set(fsdev, "fsdriver",
3378 qemu_opt_get(opts, "fsdriver"), &error_abort);
3379 path = qemu_opt_get(opts, "path");
3380 if (path) {
3381 qemu_opt_set(fsdev, "path", path, &error_abort);
3382 }
3383 security_model = qemu_opt_get(opts, "security_model");
3384 if (security_model) {
3385 qemu_opt_set(fsdev, "security_model", security_model,
3386 &error_abort);
3387 }
3388 socket = qemu_opt_get(opts, "socket");
3389 if (socket) {
3390 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3391 }
3392 sock_fd = qemu_opt_get(opts, "sock_fd");
3393 if (sock_fd) {
3394 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3395 }
3396
3397 qemu_opt_set_bool(fsdev, "readonly",
3398 qemu_opt_get_bool(opts, "readonly", 0),
3399 &error_abort);
3400 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3401 &error_abort);
3402 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3403 qemu_opt_set(device, "fsdev",
3404 qemu_opts_id(fsdev), &error_abort);
3405 qemu_opt_set(device, "mount_tag",
3406 qemu_opt_get(opts, "mount_tag"), &error_abort);
3407 break;
3408 }
3409 case QEMU_OPTION_virtfs_synth: {
3410 QemuOpts *fsdev;
3411 QemuOpts *device;
3412
3413 warn_report("'-virtfs_synth' is deprecated, please use "
3414 "'-fsdev synth' and '-device virtio-9p-...' "
3415 "instead");
3416
3417 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3418 1, NULL);
3419 if (!fsdev) {
3420 error_report("duplicate option: %s", "virtfs_synth");
3421 exit(1);
3422 }
3423 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3424
3425 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3426 &error_abort);
3427 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3428 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3429 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3430 break;
3431 }
3432 case QEMU_OPTION_serial:
3433 add_device_config(DEV_SERIAL, optarg);
3434 default_serial = 0;
3435 if (strncmp(optarg, "mon:", 4) == 0) {
3436 default_monitor = 0;
3437 }
3438 break;
3439 case QEMU_OPTION_watchdog:
3440 if (watchdog) {
3441 error_report("only one watchdog option may be given");
3442 return 1;
3443 }
3444 watchdog = optarg;
3445 break;
3446 case QEMU_OPTION_watchdog_action:
3447 if (select_watchdog_action(optarg) == -1) {
3448 error_report("unknown -watchdog-action parameter");
3449 exit(1);
3450 }
3451 break;
3452 case QEMU_OPTION_parallel:
3453 add_device_config(DEV_PARALLEL, optarg);
3454 default_parallel = 0;
3455 if (strncmp(optarg, "mon:", 4) == 0) {
3456 default_monitor = 0;
3457 }
3458 break;
3459 case QEMU_OPTION_debugcon:
3460 add_device_config(DEV_DEBUGCON, optarg);
3461 break;
3462 case QEMU_OPTION_loadvm:
3463 loadvm = optarg;
3464 break;
3465 case QEMU_OPTION_full_screen:
3466 dpy.has_full_screen = true;
3467 dpy.full_screen = true;
3468 break;
3469 case QEMU_OPTION_alt_grab:
3470 alt_grab = 1;
3471 break;
3472 case QEMU_OPTION_ctrl_grab:
3473 ctrl_grab = 1;
3474 break;
3475 case QEMU_OPTION_no_quit:
3476 dpy.has_window_close = true;
3477 dpy.window_close = false;
3478 break;
3479 case QEMU_OPTION_sdl:
3480 #ifdef CONFIG_SDL
3481 dpy.type = DISPLAY_TYPE_SDL;
3482 break;
3483 #else
3484 error_report("SDL support is disabled");
3485 exit(1);
3486 #endif
3487 case QEMU_OPTION_pidfile:
3488 pid_file = optarg;
3489 break;
3490 case QEMU_OPTION_win2k_hack:
3491 win2k_install_hack = 1;
3492 break;
3493 case QEMU_OPTION_acpitable:
3494 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3495 optarg, true);
3496 if (!opts) {
3497 exit(1);
3498 }
3499 acpi_table_add(opts, &error_fatal);
3500 break;
3501 case QEMU_OPTION_smbios:
3502 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3503 optarg, false);
3504 if (!opts) {
3505 exit(1);
3506 }
3507 smbios_entry_add(opts, &error_fatal);
3508 break;
3509 case QEMU_OPTION_fwcfg:
3510 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3511 optarg, true);
3512 if (opts == NULL) {
3513 exit(1);
3514 }
3515 break;
3516 case QEMU_OPTION_preconfig:
3517 preconfig_exit_requested = false;
3518 break;
3519 case QEMU_OPTION_enable_kvm:
3520 olist = qemu_find_opts("machine");
3521 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3522 break;
3523 case QEMU_OPTION_M:
3524 case QEMU_OPTION_machine:
3525 olist = qemu_find_opts("machine");
3526 opts = qemu_opts_parse_noisily(olist, optarg, true);
3527 if (!opts) {
3528 exit(1);
3529 }
3530 break;
3531 case QEMU_OPTION_no_kvm:
3532 olist = qemu_find_opts("machine");
3533 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3534 break;
3535 case QEMU_OPTION_accel:
3536 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3537 optarg, true);
3538 optarg = qemu_opt_get(accel_opts, "accel");
3539 if (!optarg || is_help_option(optarg)) {
3540 printf("Accelerators supported in QEMU binary:\n");
3541 GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL,
3542 false);
3543 for (el = accel_list; el; el = el->next) {
3544 gchar *typename = g_strdup(object_class_get_name(
3545 OBJECT_CLASS(el->data)));
3546 /* omit qtest which is used for tests only */
3547 if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) &&
3548 g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) {
3549 gchar **optname = g_strsplit(typename,
3550 ACCEL_CLASS_SUFFIX, 0);
3551 printf("%s\n", optname[0]);
3552 g_free(optname);
3553 }
3554 g_free(typename);
3555 }
3556 g_slist_free(accel_list);
3557 exit(0);
3558 }
3559 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3560 false, &error_abort);
3561 qemu_opt_set(opts, "accel", optarg, &error_abort);
3562 break;
3563 case QEMU_OPTION_usb:
3564 olist = qemu_find_opts("machine");
3565 qemu_opts_parse_noisily(olist, "usb=on", false);
3566 break;
3567 case QEMU_OPTION_usbdevice:
3568 error_report("'-usbdevice' is deprecated, please use "
3569 "'-device usb-...' instead");
3570 olist = qemu_find_opts("machine");
3571 qemu_opts_parse_noisily(olist, "usb=on", false);
3572 add_device_config(DEV_USB, optarg);
3573 break;
3574 case QEMU_OPTION_device:
3575 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3576 optarg, true)) {
3577 exit(1);
3578 }
3579 break;
3580 case QEMU_OPTION_smp:
3581 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3582 optarg, true)) {
3583 exit(1);
3584 }
3585 break;
3586 case QEMU_OPTION_vnc:
3587 vnc_parse(optarg, &error_fatal);
3588 break;
3589 case QEMU_OPTION_no_acpi:
3590 acpi_enabled = 0;
3591 break;
3592 case QEMU_OPTION_no_hpet:
3593 no_hpet = 1;
3594 break;
3595 case QEMU_OPTION_no_reboot:
3596 no_reboot = 1;
3597 break;
3598 case QEMU_OPTION_no_shutdown:
3599 no_shutdown = 1;
3600 break;
3601 case QEMU_OPTION_show_cursor:
3602 cursor_hide = 0;
3603 break;
3604 case QEMU_OPTION_uuid:
3605 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3606 error_report("failed to parse UUID string: wrong format");
3607 exit(1);
3608 }
3609 qemu_uuid_set = true;
3610 break;
3611 case QEMU_OPTION_option_rom:
3612 if (nb_option_roms >= MAX_OPTION_ROMS) {
3613 error_report("too many option ROMs");
3614 exit(1);
3615 }
3616 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3617 optarg, true);
3618 if (!opts) {
3619 exit(1);
3620 }
3621 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3622 option_rom[nb_option_roms].bootindex =
3623 qemu_opt_get_number(opts, "bootindex", -1);
3624 if (!option_rom[nb_option_roms].name) {
3625 error_report("Option ROM file is not specified");
3626 exit(1);
3627 }
3628 nb_option_roms++;
3629 break;
3630 case QEMU_OPTION_semihosting:
3631 qemu_semihosting_enable();
3632 break;
3633 case QEMU_OPTION_semihosting_config:
3634 if (qemu_semihosting_config_options(optarg) != 0) {
3635 exit(1);
3636 }
3637 break;
3638 case QEMU_OPTION_name:
3639 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3640 optarg, true);
3641 if (!opts) {
3642 exit(1);
3643 }
3644 break;
3645 case QEMU_OPTION_prom_env:
3646 if (nb_prom_envs >= MAX_PROM_ENVS) {
3647 error_report("too many prom variables");
3648 exit(1);
3649 }
3650 prom_envs[nb_prom_envs] = optarg;
3651 nb_prom_envs++;
3652 break;
3653 case QEMU_OPTION_old_param:
3654 old_param = 1;
3655 break;
3656 case QEMU_OPTION_rtc:
3657 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3658 false);
3659 if (!opts) {
3660 exit(1);
3661 }
3662 break;
3663 case QEMU_OPTION_tb_size:
3664 #ifndef CONFIG_TCG
3665 error_report("TCG is disabled");
3666 exit(1);
3667 #endif
3668 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3669 error_report("Invalid argument to -tb-size");
3670 exit(1);
3671 }
3672 break;
3673 case QEMU_OPTION_icount:
3674 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3675 optarg, true);
3676 if (!icount_opts) {
3677 exit(1);
3678 }
3679 break;
3680 case QEMU_OPTION_incoming:
3681 if (!incoming) {
3682 runstate_set(RUN_STATE_INMIGRATE);
3683 }
3684 incoming = optarg;
3685 break;
3686 case QEMU_OPTION_only_migratable:
3687 only_migratable = 1;
3688 break;
3689 case QEMU_OPTION_nodefaults:
3690 has_defaults = 0;
3691 break;
3692 case QEMU_OPTION_xen_domid:
3693 if (!(xen_available())) {
3694 error_report("Option not supported for this target");
3695 exit(1);
3696 }
3697 xen_domid = atoi(optarg);
3698 break;
3699 case QEMU_OPTION_xen_attach:
3700 if (!(xen_available())) {
3701 error_report("Option not supported for this target");
3702 exit(1);
3703 }
3704 xen_mode = XEN_ATTACH;
3705 break;
3706 case QEMU_OPTION_xen_domid_restrict:
3707 if (!(xen_available())) {
3708 error_report("Option not supported for this target");
3709 exit(1);
3710 }
3711 xen_domid_restrict = true;
3712 break;
3713 case QEMU_OPTION_trace:
3714 g_free(trace_file);
3715 trace_file = trace_opt_parse(optarg);
3716 break;
3717 case QEMU_OPTION_readconfig:
3718 {
3719 int ret = qemu_read_config_file(optarg);
3720 if (ret < 0) {
3721 error_report("read config %s: %s", optarg,
3722 strerror(-ret));
3723 exit(1);
3724 }
3725 break;
3726 }
3727 case QEMU_OPTION_spice:
3728 olist = qemu_find_opts("spice");
3729 if (!olist) {
3730 error_report("spice support is disabled");
3731 exit(1);
3732 }
3733 opts = qemu_opts_parse_noisily(olist, optarg, false);
3734 if (!opts) {
3735 exit(1);
3736 }
3737 display_remote++;
3738 break;
3739 case QEMU_OPTION_writeconfig:
3740 {
3741 FILE *fp;
3742 if (strcmp(optarg, "-") == 0) {
3743 fp = stdout;
3744 } else {
3745 fp = fopen(optarg, "w");
3746 if (fp == NULL) {
3747 error_report("open %s: %s", optarg,
3748 strerror(errno));
3749 exit(1);
3750 }
3751 }
3752 qemu_config_write(fp);
3753 if (fp != stdout) {
3754 fclose(fp);
3755 }
3756 break;
3757 }
3758 case QEMU_OPTION_qtest:
3759 qtest_chrdev = optarg;
3760 break;
3761 case QEMU_OPTION_qtest_log:
3762 qtest_log = optarg;
3763 break;
3764 case QEMU_OPTION_sandbox:
3765 olist = qemu_find_opts("sandbox");
3766 if (!olist) {
3767 #ifndef CONFIG_SECCOMP
3768 error_report("-sandbox support is not enabled "
3769 "in this QEMU binary");
3770 #endif
3771 exit(1);
3772 }
3773
3774 opts = qemu_opts_parse_noisily(olist, optarg, true);
3775 if (!opts) {
3776 exit(1);
3777 }
3778 break;
3779 case QEMU_OPTION_add_fd:
3780 #ifndef _WIN32
3781 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3782 optarg, false);
3783 if (!opts) {
3784 exit(1);
3785 }
3786 #else
3787 error_report("File descriptor passing is disabled on this "
3788 "platform");
3789 exit(1);
3790 #endif
3791 break;
3792 case QEMU_OPTION_object:
3793 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3794 optarg, true);
3795 if (!opts) {
3796 exit(1);
3797 }
3798 break;
3799 case QEMU_OPTION_realtime:
3800 warn_report("'-realtime mlock=...' is deprecated, please use "
3801 "'-overcommit mem-lock=...' instead");
3802 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3803 optarg, false);
3804 if (!opts) {
3805 exit(1);
3806 }
3807 /* Don't override the -overcommit option if set */
3808 enable_mlock = enable_mlock ||
3809 qemu_opt_get_bool(opts, "mlock", true);
3810 break;
3811 case QEMU_OPTION_overcommit:
3812 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3813 optarg, false);
3814 if (!opts) {
3815 exit(1);
3816 }
3817 /* Don't override the -realtime option if set */
3818 enable_mlock = enable_mlock ||
3819 qemu_opt_get_bool(opts, "mem-lock", false);
3820 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3821 break;
3822 case QEMU_OPTION_msg:
3823 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3824 false);
3825 if (!opts) {
3826 exit(1);
3827 }
3828 configure_msg(opts);
3829 break;
3830 case QEMU_OPTION_dump_vmstate:
3831 if (vmstate_dump_file) {
3832 error_report("only one '-dump-vmstate' "
3833 "option may be given");
3834 exit(1);
3835 }
3836 vmstate_dump_file = fopen(optarg, "w");
3837 if (vmstate_dump_file == NULL) {
3838 error_report("open %s: %s", optarg, strerror(errno));
3839 exit(1);
3840 }
3841 break;
3842 case QEMU_OPTION_enable_sync_profile:
3843 qsp_enable();
3844 break;
3845 case QEMU_OPTION_nouserconfig:
3846 /* Nothing to be parsed here. Especially, do not error out below. */
3847 break;
3848 default:
3849 if (os_parse_cmd_args(popt->index, optarg)) {
3850 error_report("Option not supported in this build");
3851 exit(1);
3852 }
3853 }
3854 }
3855 }
3856 /*
3857 * Clear error location left behind by the loop.
3858 * Best done right after the loop. Do not insert code here!
3859 */
3860 loc_set_none();
3861
3862 user_register_global_props();
3863
3864 replay_configure(icount_opts);
3865
3866 if (incoming && !preconfig_exit_requested) {
3867 error_report("'preconfig' and 'incoming' options are "
3868 "mutually exclusive");
3869 exit(EXIT_FAILURE);
3870 }
3871
3872 configure_rtc(qemu_find_opts_singleton("rtc"));
3873
3874 machine_class = select_machine();
3875 object_set_machine_compat_props(machine_class->compat_props);
3876
3877 set_memory_options(&ram_slots, &maxram_size, machine_class);
3878
3879 os_daemonize();
3880 rcu_disable_atfork();
3881
3882 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3883 error_reportf_err(err, "cannot create PID file: ");
3884 exit(1);
3885 }
3886
3887 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3888 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3889
3890 if (qemu_init_main_loop(&main_loop_err)) {
3891 error_report_err(main_loop_err);
3892 exit(1);
3893 }
3894
3895 #ifdef CONFIG_SECCOMP
3896 olist = qemu_find_opts_err("sandbox", NULL);
3897 if (olist) {
3898 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
3899 }
3900 #endif
3901
3902 qemu_opts_foreach(qemu_find_opts("name"),
3903 parse_name, NULL, &error_fatal);
3904
3905 #ifndef _WIN32
3906 qemu_opts_foreach(qemu_find_opts("add-fd"),
3907 parse_add_fd, NULL, &error_fatal);
3908
3909 qemu_opts_foreach(qemu_find_opts("add-fd"),
3910 cleanup_add_fd, NULL, &error_fatal);
3911 #endif
3912
3913 current_machine = MACHINE(object_new(object_class_get_name(
3914 OBJECT_CLASS(machine_class))));
3915 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3916 exit(0);
3917 }
3918 object_property_add_child(object_get_root(), "machine",
3919 OBJECT(current_machine), &error_abort);
3920 object_property_add_child(container_get(OBJECT(current_machine),
3921 "/unattached"),
3922 "sysbus", OBJECT(sysbus_get_default()),
3923 NULL);
3924
3925 if (machine_class->minimum_page_bits) {
3926 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
3927 /* This would be a board error: specifying a minimum smaller than
3928 * a target's compile-time fixed setting.
3929 */
3930 g_assert_not_reached();
3931 }
3932 }
3933
3934 cpu_exec_init_all();
3935
3936 if (machine_class->hw_version) {
3937 qemu_set_hw_version(machine_class->hw_version);
3938 }
3939
3940 if (cpu_option && is_help_option(cpu_option)) {
3941 list_cpus(cpu_option);
3942 exit(0);
3943 }
3944
3945 if (!trace_init_backends()) {
3946 exit(1);
3947 }
3948 trace_init_file(trace_file);
3949
3950 /* Open the logfile at this point and set the log mask if necessary.
3951 */
3952 if (log_file) {
3953 qemu_set_log_filename(log_file, &error_fatal);
3954 }
3955
3956 if (log_mask) {
3957 int mask;
3958 mask = qemu_str_to_log_mask(log_mask);
3959 if (!mask) {
3960 qemu_print_log_usage(stdout);
3961 exit(1);
3962 }
3963 qemu_set_log(mask);
3964 } else {
3965 qemu_set_log(0);
3966 }
3967
3968 /* add configured firmware directories */
3969 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
3970 for (i = 0; dirs[i] != NULL; i++) {
3971 qemu_add_data_dir(dirs[i]);
3972 }
3973 g_strfreev(dirs);
3974
3975 /* try to find datadir relative to the executable path */
3976 dir = os_find_datadir();
3977 qemu_add_data_dir(dir);
3978 g_free(dir);
3979
3980 /* add the datadir specified when building */
3981 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
3982
3983 /* -L help lists the data directories and exits. */
3984 if (list_data_dirs) {
3985 for (i = 0; i < data_dir_idx; i++) {
3986 printf("%s\n", data_dir[i]);
3987 }
3988 exit(0);
3989 }
3990
3991 /* machine_class: default to UP */
3992 machine_class->max_cpus = machine_class->max_cpus ?: 1;
3993 machine_class->min_cpus = machine_class->min_cpus ?: 1;
3994 machine_class->default_cpus = machine_class->default_cpus ?: 1;
3995
3996 /* default to machine_class->default_cpus */
3997 current_machine->smp.cpus = machine_class->default_cpus;
3998 current_machine->smp.max_cpus = machine_class->default_cpus;
3999 current_machine->smp.cores = 1;
4000 current_machine->smp.threads = 1;
4001
4002 machine_class->smp_parse(current_machine,
4003 qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4004
4005 /* sanity-check smp_cpus and max_cpus against machine_class */
4006 if (current_machine->smp.cpus < machine_class->min_cpus) {
4007 error_report("Invalid SMP CPUs %d. The min CPUs "
4008 "supported by machine '%s' is %d",
4009 current_machine->smp.cpus,
4010 machine_class->name, machine_class->min_cpus);
4011 exit(1);
4012 }
4013 if (current_machine->smp.max_cpus > machine_class->max_cpus) {
4014 error_report("Invalid SMP CPUs %d. The max CPUs "
4015 "supported by machine '%s' is %d",
4016 current_machine->smp.max_cpus,
4017 machine_class->name, machine_class->max_cpus);
4018 exit(1);
4019 }
4020
4021 /*
4022 * Get the default machine options from the machine if it is not already
4023 * specified either by the configuration file or by the command line.
4024 */
4025 if (machine_class->default_machine_opts) {
4026 qemu_opts_set_defaults(qemu_find_opts("machine"),
4027 machine_class->default_machine_opts, 0);
4028 }
4029
4030 qemu_opts_foreach(qemu_find_opts("device"),
4031 default_driver_check, NULL, NULL);
4032 qemu_opts_foreach(qemu_find_opts("global"),
4033 default_driver_check, NULL, NULL);
4034
4035 if (!vga_model && !default_vga) {
4036 vga_interface_type = VGA_DEVICE;
4037 }
4038 if (!has_defaults || machine_class->no_serial) {
4039 default_serial = 0;
4040 }
4041 if (!has_defaults || machine_class->no_parallel) {
4042 default_parallel = 0;
4043 }
4044 if (!has_defaults || machine_class->no_floppy) {
4045 default_floppy = 0;
4046 }
4047 if (!has_defaults || machine_class->no_cdrom) {
4048 default_cdrom = 0;
4049 }
4050 if (!has_defaults || machine_class->no_sdcard) {
4051 default_sdcard = 0;
4052 }
4053 if (!has_defaults) {
4054 default_monitor = 0;
4055 default_net = 0;
4056 default_vga = 0;
4057 }
4058
4059 if (is_daemonized()) {
4060 if (!preconfig_exit_requested) {
4061 error_report("'preconfig' and 'daemonize' options are "
4062 "mutually exclusive");
4063 exit(EXIT_FAILURE);
4064 }
4065
4066 /* According to documentation and historically, -nographic redirects
4067 * serial port, parallel port and monitor to stdio, which does not work
4068 * with -daemonize. We can redirect these to null instead, but since
4069 * -nographic is legacy, let's just error out.
4070 * We disallow -nographic only if all other ports are not redirected
4071 * explicitly, to not break existing legacy setups which uses
4072 * -nographic _and_ redirects all ports explicitly - this is valid
4073 * usage, -nographic is just a no-op in this case.
4074 */
4075 if (nographic
4076 && (default_parallel || default_serial || default_monitor)) {
4077 error_report("-nographic cannot be used with -daemonize");
4078 exit(1);
4079 }
4080 #ifdef CONFIG_CURSES
4081 if (dpy.type == DISPLAY_TYPE_CURSES) {
4082 error_report("curses display cannot be used with -daemonize");
4083 exit(1);
4084 }
4085 #endif
4086 }
4087
4088 if (nographic) {
4089 if (default_parallel)
4090 add_device_config(DEV_PARALLEL, "null");
4091 if (default_serial && default_monitor) {
4092 add_device_config(DEV_SERIAL, "mon:stdio");
4093 } else {
4094 if (default_serial)
4095 add_device_config(DEV_SERIAL, "stdio");
4096 if (default_monitor)
4097 monitor_parse("stdio", "readline", false);
4098 }
4099 } else {
4100 if (default_serial)
4101 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4102 if (default_parallel)
4103 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4104 if (default_monitor)
4105 monitor_parse("vc:80Cx24C", "readline", false);
4106 }
4107
4108 #if defined(CONFIG_VNC)
4109 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4110 display_remote++;
4111 }
4112 #endif
4113 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4114 if (!qemu_display_find_default(&dpy)) {
4115 dpy.type = DISPLAY_TYPE_NONE;
4116 #if defined(CONFIG_VNC)
4117 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4118 #endif
4119 }
4120 }
4121 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4122 dpy.type = DISPLAY_TYPE_NONE;
4123 }
4124
4125 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4126 error_report("-alt-grab and -ctrl-grab are only valid "
4127 "for SDL, ignoring option");
4128 }
4129 if (dpy.has_window_close &&
4130 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4131 error_report("-no-quit is only valid for GTK and SDL, "
4132 "ignoring option");
4133 }
4134
4135 qemu_display_early_init(&dpy);
4136 qemu_console_early_init();
4137
4138 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4139 #if defined(CONFIG_OPENGL)
4140 error_report("OpenGL is not supported by the display");
4141 #else
4142 error_report("OpenGL support is disabled");
4143 #endif
4144 exit(1);
4145 }
4146
4147 page_size_init();
4148 socket_init();
4149
4150 qemu_opts_foreach(qemu_find_opts("object"),
4151 user_creatable_add_opts_foreach,
4152 object_create_initial, &error_fatal);
4153
4154 qemu_opts_foreach(qemu_find_opts("chardev"),
4155 chardev_init_func, NULL, &error_fatal);
4156 /* now chardevs have been created we may have semihosting to connect */
4157 qemu_semihosting_connect_chardevs();
4158
4159 #ifdef CONFIG_VIRTFS
4160 qemu_opts_foreach(qemu_find_opts("fsdev"),
4161 fsdev_init_func, NULL, &error_fatal);
4162 #endif
4163
4164 if (qemu_opts_foreach(qemu_find_opts("device"),
4165 device_help_func, NULL, NULL)) {
4166 exit(0);
4167 }
4168
4169 /*
4170 * Note: we need to create block backends before
4171 * machine_set_property(), so machine properties can refer to
4172 * them.
4173 */
4174 configure_blockdev(&bdo_queue, machine_class, snapshot);
4175
4176 machine_opts = qemu_get_machine_opts();
4177 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4178 &error_fatal);
4179 current_machine->ram_size = ram_size;
4180 current_machine->maxram_size = maxram_size;
4181 current_machine->ram_slots = ram_slots;
4182
4183 /*
4184 * Note: uses machine properties such as kernel-irqchip, must run
4185 * after machine_set_property().
4186 */
4187 configure_accelerator(current_machine, argv[0]);
4188
4189 /*
4190 * Beware, QOM objects created before this point miss global and
4191 * compat properties.
4192 *
4193 * Global properties get set up by qdev_prop_register_global(),
4194 * called from user_register_global_props(), and certain option
4195 * desugaring. Also in CPU feature desugaring (buried in
4196 * parse_cpu_option()), which happens below this point, but may
4197 * only target the CPU type, which can only be created after
4198 * parse_cpu_option() returned the type.
4199 *
4200 * Machine compat properties: object_set_machine_compat_props().
4201 * Accelerator compat props: object_set_accelerator_compat_props(),
4202 * called from configure_accelerator().
4203 */
4204
4205 if (!qtest_enabled() && machine_class->deprecation_reason) {
4206 error_report("Machine type '%s' is deprecated: %s",
4207 machine_class->name, machine_class->deprecation_reason);
4208 }
4209
4210 /*
4211 * Note: creates a QOM object, must run only after global and
4212 * compat properties have been set up.
4213 */
4214 migration_object_init();
4215
4216 if (qtest_chrdev) {
4217 qtest_server_init(qtest_chrdev, qtest_log, &error_fatal);
4218 }
4219
4220 machine_opts = qemu_get_machine_opts();
4221 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4222 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4223 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4224 bios_name = qemu_opt_get(machine_opts, "firmware");
4225
4226 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4227 if (opts) {
4228 boot_order = qemu_opt_get(opts, "order");
4229 if (boot_order) {
4230 validate_bootdevices(boot_order, &error_fatal);
4231 }
4232
4233 boot_once = qemu_opt_get(opts, "once");
4234 if (boot_once) {
4235 validate_bootdevices(boot_once, &error_fatal);
4236 }
4237
4238 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4239 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4240 }
4241
4242 if (!boot_order) {
4243 boot_order = machine_class->default_boot_order;
4244 }
4245
4246 if (!kernel_cmdline) {
4247 kernel_cmdline = "";
4248 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4249 }
4250
4251 linux_boot = (kernel_filename != NULL);
4252
4253 if (!linux_boot && *kernel_cmdline != '\0') {
4254 error_report("-append only allowed with -kernel option");
4255 exit(1);
4256 }
4257
4258 if (!linux_boot && initrd_filename != NULL) {
4259 error_report("-initrd only allowed with -kernel option");
4260 exit(1);
4261 }
4262
4263 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4264 /* fall back to the -kernel/-append */
4265 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4266 }
4267
4268 /* spice needs the timers to be initialized by this point */
4269 qemu_spice_init();
4270
4271 cpu_ticks_init();
4272 if (icount_opts) {
4273 if (!tcg_enabled()) {
4274 error_report("-icount is not allowed with hardware virtualization");
4275 exit(1);
4276 }
4277 configure_icount(icount_opts, &error_abort);
4278 qemu_opts_del(icount_opts);
4279 }
4280
4281 if (tcg_enabled()) {
4282 qemu_tcg_configure(accel_opts, &error_fatal);
4283 }
4284
4285 if (default_net) {
4286 QemuOptsList *net = qemu_find_opts("net");
4287 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4288 #ifdef CONFIG_SLIRP
4289 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4290 #endif
4291 }
4292
4293 if (net_init_clients(&err) < 0) {
4294 error_report_err(err);
4295 exit(1);
4296 }
4297
4298 qemu_opts_foreach(qemu_find_opts("object"),
4299 user_creatable_add_opts_foreach,
4300 object_create_delayed, &error_fatal);
4301
4302 tpm_init();
4303
4304 /* init the bluetooth world */
4305 if (foreach_device_config(DEV_BT, bt_parse))
4306 exit(1);
4307
4308 if (!xen_enabled()) {
4309 /* On 32-bit hosts, QEMU is limited by virtual address space */
4310 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4311 error_report("at most 2047 MB RAM can be simulated");
4312 exit(1);
4313 }
4314 }
4315
4316 blk_mig_init();
4317 ram_mig_init();
4318 dirty_bitmap_mig_init();
4319
4320 qemu_opts_foreach(qemu_find_opts("mon"),
4321 mon_init_func, NULL, &error_fatal);
4322
4323 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4324 exit(1);
4325 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4326 exit(1);
4327 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4328 exit(1);
4329
4330 /* If no default VGA is requested, the default is "none". */
4331 if (default_vga) {
4332 vga_model = get_default_vga_model(machine_class);
4333 }
4334 if (vga_model) {
4335 select_vgahw(machine_class, vga_model);
4336 }
4337
4338 if (watchdog) {
4339 i = select_watchdog(watchdog);
4340 if (i > 0)
4341 exit (i == 1 ? 1 : 0);
4342 }
4343
4344 /* This checkpoint is required by replay to separate prior clock
4345 reading from the other reads, because timer polling functions query
4346 clock values from the log. */
4347 replay_checkpoint(CHECKPOINT_INIT);
4348 qdev_machine_init();
4349
4350 current_machine->boot_order = boot_order;
4351
4352 /* parse features once if machine provides default cpu_type */
4353 current_machine->cpu_type = machine_class->default_cpu_type;
4354 if (cpu_option) {
4355 current_machine->cpu_type = parse_cpu_option(cpu_option);
4356 }
4357 parse_numa_opts(current_machine);
4358
4359 /* do monitor/qmp handling at preconfig state if requested */
4360 main_loop();
4361
4362 audio_init_audiodevs();
4363
4364 /* from here on runstate is RUN_STATE_PRELAUNCH */
4365 machine_run_board_init(current_machine);
4366
4367 realtime_init();
4368
4369 soundhw_init();
4370
4371 if (hax_enabled()) {
4372 hax_sync_vcpus();
4373 }
4374
4375 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4376 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4377
4378 /* init USB devices */
4379 if (machine_usb(current_machine)) {
4380 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4381 exit(1);
4382 }
4383
4384 /* Check if IGD GFX passthrough. */
4385 igd_gfx_passthru();
4386
4387 /* init generic devices */
4388 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4389 qemu_opts_foreach(qemu_find_opts("device"),
4390 device_init_func, NULL, &error_fatal);
4391
4392 cpu_synchronize_all_post_init();
4393
4394 rom_reset_order_override();
4395
4396 /* Did we create any drives that we failed to create a device for? */
4397 drive_check_orphaned();
4398
4399 /* Don't warn about the default network setup that you get if
4400 * no command line -net or -netdev options are specified. There
4401 * are two cases that we would otherwise complain about:
4402 * (1) board doesn't support a NIC but the implicit "-net nic"
4403 * requested one
4404 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4405 * sets up a nic that isn't connected to anything.
4406 */
4407 if (!default_net && (!qtest_enabled() || has_defaults)) {
4408 net_check_clients();
4409 }
4410
4411 if (boot_once) {
4412 qemu_boot_set(boot_once, &error_fatal);
4413 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4414 }
4415
4416 /* init local displays */
4417 ds = init_displaystate();
4418 qemu_display_init(ds, &dpy);
4419
4420 /* must be after terminal init, SDL library changes signal handlers */
4421 os_setup_signal_handling();
4422
4423 /* init remote displays */
4424 #ifdef CONFIG_VNC
4425 qemu_opts_foreach(qemu_find_opts("vnc"),
4426 vnc_init_func, NULL, &error_fatal);
4427 #endif
4428
4429 if (using_spice) {
4430 qemu_spice_display_init();
4431 }
4432
4433 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4434 exit(1);
4435 }
4436
4437 qdev_machine_creation_done();
4438
4439 /* TODO: once all bus devices are qdevified, this should be done
4440 * when bus is created by qdev.c */
4441 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4442 qemu_run_machine_init_done_notifiers();
4443
4444 if (rom_check_and_register_reset() != 0) {
4445 error_report("rom check and register reset failed");
4446 exit(1);
4447 }
4448
4449 replay_start();
4450
4451 /* This checkpoint is required by replay to separate prior clock
4452 reading from the other reads, because timer polling functions query
4453 clock values from the log. */
4454 replay_checkpoint(CHECKPOINT_RESET);
4455 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4456 register_global_state();
4457 if (loadvm) {
4458 Error *local_err = NULL;
4459 if (load_snapshot(loadvm, &local_err) < 0) {
4460 error_report_err(local_err);
4461 autostart = 0;
4462 exit(1);
4463 }
4464 }
4465 if (replay_mode != REPLAY_MODE_NONE) {
4466 replay_vmstate_init();
4467 }
4468
4469 qdev_prop_check_globals();
4470 if (vmstate_dump_file) {
4471 /* dump and exit */
4472 dump_vmstate_json_to_file(vmstate_dump_file);
4473 return 0;
4474 }
4475
4476 if (incoming) {
4477 Error *local_err = NULL;
4478 qemu_start_incoming_migration(incoming, &local_err);
4479 if (local_err) {
4480 error_reportf_err(local_err, "-incoming %s: ", incoming);
4481 exit(1);
4482 }
4483 } else if (autostart) {
4484 vm_start();
4485 }
4486
4487 accel_setup_post(current_machine);
4488 os_setup_post();
4489
4490 main_loop();
4491
4492 gdbserver_cleanup();
4493
4494 /*
4495 * cleaning up the migration object cancels any existing migration
4496 * try to do this early so that it also stops using devices.
4497 */
4498 migration_shutdown();
4499
4500 /*
4501 * We must cancel all block jobs while the block layer is drained,
4502 * or cancelling will be affected by throttling and thus may block
4503 * for an extended period of time.
4504 * vm_shutdown() will bdrv_drain_all(), so we may as well include
4505 * it in the drained section.
4506 * We do not need to end this section, because we do not want any
4507 * requests happening from here on anyway.
4508 */
4509 bdrv_drain_all_begin();
4510
4511 /* No more vcpu or device emulation activity beyond this point */
4512 vm_shutdown();
4513
4514 job_cancel_sync_all();
4515 bdrv_close_all();
4516
4517 res_free();
4518
4519 /* vhost-user must be cleaned up before chardevs. */
4520 tpm_cleanup();
4521 net_cleanup();
4522 audio_cleanup();
4523 monitor_cleanup();
4524 qemu_chr_cleanup();
4525 user_creatable_cleanup();
4526 /* TODO: unref root container, check all devices are ok */
4527
4528 return 0;
4529 }
AR7 emulation for QEMU