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Merge remote-tracking branch 'remotes/kraxel/tags/ui-20190205-pull-request' into...
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/firmware/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qapi-commands-ui.h"
132 #include "qapi/qmp/qerror.h"
133 #include "sysemu/iothread.h"
134
135 #define MAX_VIRTIO_CONSOLES 1
136
137 static const char *data_dir[16];
138 static int data_dir_idx;
139 const char *bios_name = NULL;
140 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
141 int display_opengl;
142 const char* keyboard_layout = NULL;
143 ram_addr_t ram_size;
144 const char *mem_path = NULL;
145 int mem_prealloc = 0; /* force preallocation of physical target memory */
146 bool enable_mlock = false;
147 bool enable_cpu_pm = false;
148 int nb_nics;
149 NICInfo nd_table[MAX_NICS];
150 int autostart;
151 static enum {
152 RTC_BASE_UTC,
153 RTC_BASE_LOCALTIME,
154 RTC_BASE_DATETIME,
155 } rtc_base_type = RTC_BASE_UTC;
156 static time_t rtc_ref_start_datetime;
157 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
158 static int rtc_host_datetime_offset = -1; /* valid & used only with
159 RTC_BASE_DATETIME */
160 QEMUClockType rtc_clock;
161 int vga_interface_type = VGA_NONE;
162 static DisplayOptions dpy;
163 static int num_serial_hds;
164 static Chardev **serial_hds;
165 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
166 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
167 int win2k_install_hack = 0;
168 int singlestep = 0;
169 int smp_cpus;
170 unsigned int max_cpus;
171 int smp_cores = 1;
172 int smp_threads = 1;
173 int acpi_enabled = 1;
174 int no_hpet = 0;
175 int fd_bootchk = 1;
176 static int no_reboot;
177 int no_shutdown = 0;
178 int cursor_hide = 1;
179 int graphic_rotate = 0;
180 const char *watchdog;
181 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
182 int nb_option_roms;
183 int old_param = 0;
184 const char *qemu_name;
185 int alt_grab = 0;
186 int ctrl_grab = 0;
187 unsigned int nb_prom_envs = 0;
188 const char *prom_envs[MAX_PROM_ENVS];
189 int boot_menu;
190 bool boot_strict;
191 uint8_t *boot_splash_filedata;
192 size_t boot_splash_filedata_size;
193 bool wakeup_suspend_enabled;
194
195 int icount_align_option;
196
197 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
198 * little-endian "wire format" described in the SMBIOS 2.6 specification.
199 */
200 QemuUUID qemu_uuid;
201 bool qemu_uuid_set;
202
203 static NotifierList exit_notifiers =
204 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
205
206 static NotifierList machine_init_done_notifiers =
207 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
208
209 bool xen_allowed;
210 uint32_t xen_domid;
211 enum xen_mode xen_mode = XEN_EMULATE;
212 bool xen_domid_restrict;
213
214 static int has_defaults = 1;
215 static int default_serial = 1;
216 static int default_parallel = 1;
217 static int default_virtcon = 1;
218 static int default_monitor = 1;
219 static int default_floppy = 1;
220 static int default_cdrom = 1;
221 static int default_sdcard = 1;
222 static int default_vga = 1;
223 static int default_net = 1;
224
225 static struct {
226 const char *driver;
227 int *flag;
228 } default_list[] = {
229 { .driver = "isa-serial", .flag = &default_serial },
230 { .driver = "isa-parallel", .flag = &default_parallel },
231 { .driver = "isa-fdc", .flag = &default_floppy },
232 { .driver = "floppy", .flag = &default_floppy },
233 { .driver = "ide-cd", .flag = &default_cdrom },
234 { .driver = "ide-hd", .flag = &default_cdrom },
235 { .driver = "ide-drive", .flag = &default_cdrom },
236 { .driver = "scsi-cd", .flag = &default_cdrom },
237 { .driver = "scsi-hd", .flag = &default_cdrom },
238 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
239 { .driver = "virtio-serial", .flag = &default_virtcon },
240 { .driver = "VGA", .flag = &default_vga },
241 { .driver = "isa-vga", .flag = &default_vga },
242 { .driver = "cirrus-vga", .flag = &default_vga },
243 { .driver = "isa-cirrus-vga", .flag = &default_vga },
244 { .driver = "vmware-svga", .flag = &default_vga },
245 { .driver = "qxl-vga", .flag = &default_vga },
246 { .driver = "virtio-vga", .flag = &default_vga },
247 };
248
249 static QemuOptsList qemu_rtc_opts = {
250 .name = "rtc",
251 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
252 .merge_lists = true,
253 .desc = {
254 {
255 .name = "base",
256 .type = QEMU_OPT_STRING,
257 },{
258 .name = "clock",
259 .type = QEMU_OPT_STRING,
260 },{
261 .name = "driftfix",
262 .type = QEMU_OPT_STRING,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_option_rom_opts = {
269 .name = "option-rom",
270 .implied_opt_name = "romfile",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
272 .desc = {
273 {
274 .name = "bootindex",
275 .type = QEMU_OPT_NUMBER,
276 }, {
277 .name = "romfile",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_machine_opts = {
285 .name = "machine",
286 .implied_opt_name = "type",
287 .merge_lists = true,
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
289 .desc = {
290 /*
291 * no elements => accept any
292 * sanity checking will happen later
293 * when setting machine properties
294 */
295 { }
296 },
297 };
298
299 static QemuOptsList qemu_accel_opts = {
300 .name = "accel",
301 .implied_opt_name = "accel",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
303 .merge_lists = true,
304 .desc = {
305 {
306 .name = "accel",
307 .type = QEMU_OPT_STRING,
308 .help = "Select the type of accelerator",
309 },
310 {
311 .name = "thread",
312 .type = QEMU_OPT_STRING,
313 .help = "Enable/disable multi-threaded TCG",
314 },
315 { /* end of list */ }
316 },
317 };
318
319 static QemuOptsList qemu_boot_opts = {
320 .name = "boot-opts",
321 .implied_opt_name = "order",
322 .merge_lists = true,
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
324 .desc = {
325 {
326 .name = "order",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "once",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "menu",
333 .type = QEMU_OPT_BOOL,
334 }, {
335 .name = "splash",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "splash-time",
339 .type = QEMU_OPT_NUMBER,
340 }, {
341 .name = "reboot-timeout",
342 .type = QEMU_OPT_NUMBER,
343 }, {
344 .name = "strict",
345 .type = QEMU_OPT_BOOL,
346 },
347 { /*End of list */ }
348 },
349 };
350
351 static QemuOptsList qemu_add_fd_opts = {
352 .name = "add-fd",
353 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
354 .desc = {
355 {
356 .name = "fd",
357 .type = QEMU_OPT_NUMBER,
358 .help = "file descriptor of which a duplicate is added to fd set",
359 },{
360 .name = "set",
361 .type = QEMU_OPT_NUMBER,
362 .help = "ID of the fd set to add fd to",
363 },{
364 .name = "opaque",
365 .type = QEMU_OPT_STRING,
366 .help = "free-form string used to describe fd",
367 },
368 { /* end of list */ }
369 },
370 };
371
372 static QemuOptsList qemu_object_opts = {
373 .name = "object",
374 .implied_opt_name = "qom-type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
376 .desc = {
377 { }
378 },
379 };
380
381 static QemuOptsList qemu_tpmdev_opts = {
382 .name = "tpmdev",
383 .implied_opt_name = "type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
385 .desc = {
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
388 },
389 };
390
391 static QemuOptsList qemu_realtime_opts = {
392 .name = "realtime",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
394 .desc = {
395 {
396 .name = "mlock",
397 .type = QEMU_OPT_BOOL,
398 },
399 { /* end of list */ }
400 },
401 };
402
403 static QemuOptsList qemu_overcommit_opts = {
404 .name = "overcommit",
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
406 .desc = {
407 {
408 .name = "mem-lock",
409 .type = QEMU_OPT_BOOL,
410 },
411 {
412 .name = "cpu-pm",
413 .type = QEMU_OPT_BOOL,
414 },
415 { /* end of list */ }
416 },
417 };
418
419 static QemuOptsList qemu_msg_opts = {
420 .name = "msg",
421 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
422 .desc = {
423 {
424 .name = "timestamp",
425 .type = QEMU_OPT_BOOL,
426 },
427 { /* end of list */ }
428 },
429 };
430
431 static QemuOptsList qemu_name_opts = {
432 .name = "name",
433 .implied_opt_name = "guest",
434 .merge_lists = true,
435 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
436 .desc = {
437 {
438 .name = "guest",
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the guest.\n"
441 "This name will be displayed in the SDL window caption.\n"
442 "The name will also be used for the VNC server",
443 }, {
444 .name = "process",
445 .type = QEMU_OPT_STRING,
446 .help = "Sets the name of the QEMU process, as shown in top etc",
447 }, {
448 .name = "debug-threads",
449 .type = QEMU_OPT_BOOL,
450 .help = "When enabled, name the individual threads; defaults off.\n"
451 "NOTE: The thread names are for debugging and not a\n"
452 "stable API.",
453 },
454 { /* End of list */ }
455 },
456 };
457
458 static QemuOptsList qemu_mem_opts = {
459 .name = "memory",
460 .implied_opt_name = "size",
461 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
462 .merge_lists = true,
463 .desc = {
464 {
465 .name = "size",
466 .type = QEMU_OPT_SIZE,
467 },
468 {
469 .name = "slots",
470 .type = QEMU_OPT_NUMBER,
471 },
472 {
473 .name = "maxmem",
474 .type = QEMU_OPT_SIZE,
475 },
476 { /* end of list */ }
477 },
478 };
479
480 static QemuOptsList qemu_icount_opts = {
481 .name = "icount",
482 .implied_opt_name = "shift",
483 .merge_lists = true,
484 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
485 .desc = {
486 {
487 .name = "shift",
488 .type = QEMU_OPT_STRING,
489 }, {
490 .name = "align",
491 .type = QEMU_OPT_BOOL,
492 }, {
493 .name = "sleep",
494 .type = QEMU_OPT_BOOL,
495 }, {
496 .name = "rr",
497 .type = QEMU_OPT_STRING,
498 }, {
499 .name = "rrfile",
500 .type = QEMU_OPT_STRING,
501 }, {
502 .name = "rrsnapshot",
503 .type = QEMU_OPT_STRING,
504 },
505 { /* end of list */ }
506 },
507 };
508
509 static QemuOptsList qemu_semihosting_config_opts = {
510 .name = "semihosting-config",
511 .implied_opt_name = "enable",
512 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
513 .desc = {
514 {
515 .name = "enable",
516 .type = QEMU_OPT_BOOL,
517 }, {
518 .name = "target",
519 .type = QEMU_OPT_STRING,
520 }, {
521 .name = "arg",
522 .type = QEMU_OPT_STRING,
523 },
524 { /* end of list */ }
525 },
526 };
527
528 static QemuOptsList qemu_fw_cfg_opts = {
529 .name = "fw_cfg",
530 .implied_opt_name = "name",
531 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
532 .desc = {
533 {
534 .name = "name",
535 .type = QEMU_OPT_STRING,
536 .help = "Sets the fw_cfg name of the blob to be inserted",
537 }, {
538 .name = "file",
539 .type = QEMU_OPT_STRING,
540 .help = "Sets the name of the file from which "
541 "the fw_cfg blob will be loaded",
542 }, {
543 .name = "string",
544 .type = QEMU_OPT_STRING,
545 .help = "Sets content of the blob to be inserted from a string",
546 },
547 { /* end of list */ }
548 },
549 };
550
551 /**
552 * Get machine options
553 *
554 * Returns: machine options (never null).
555 */
556 QemuOpts *qemu_get_machine_opts(void)
557 {
558 return qemu_find_opts_singleton("machine");
559 }
560
561 const char *qemu_get_vm_name(void)
562 {
563 return qemu_name;
564 }
565
566 static void res_free(void)
567 {
568 g_free(boot_splash_filedata);
569 boot_splash_filedata = NULL;
570 }
571
572 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
573 {
574 const char *driver = qemu_opt_get(opts, "driver");
575 int i;
576
577 if (!driver)
578 return 0;
579 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
580 if (strcmp(default_list[i].driver, driver) != 0)
581 continue;
582 *(default_list[i].flag) = 0;
583 }
584 return 0;
585 }
586
587 /***********************************************************/
588 /* QEMU state */
589
590 static RunState current_run_state = RUN_STATE_PRECONFIG;
591
592 /* We use RUN_STATE__MAX but any invalid value will do */
593 static RunState vmstop_requested = RUN_STATE__MAX;
594 static QemuMutex vmstop_lock;
595
596 typedef struct {
597 RunState from;
598 RunState to;
599 } RunStateTransition;
600
601 static const RunStateTransition runstate_transitions_def[] = {
602 /* from -> to */
603 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
604 /* Early switch to inmigrate state to allow -incoming CLI option work
605 * as it used to. TODO: delay actual switching to inmigrate state to
606 * the point after machine is built and remove this hack.
607 */
608 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
609
610 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
611 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
613
614 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
615 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
617 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
620 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
621 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
626
627 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
630
631 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
632 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
634
635 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
636 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
638 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
639 { RUN_STATE_PAUSED, RUN_STATE_COLO},
640
641 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
644
645 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
646 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
648
649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
654
655 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
656 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
657
658 { RUN_STATE_COLO, RUN_STATE_RUNNING },
659
660 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
661 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
662 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
664 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
666 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
668 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
669 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
670 { RUN_STATE_RUNNING, RUN_STATE_COLO},
671
672 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
673
674 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
675 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
677
678 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
679 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
680 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
681 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
683 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
684
685 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
686 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
687 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
688 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
689
690 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
693
694 { RUN_STATE__MAX, RUN_STATE__MAX },
695 };
696
697 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
698
699 bool runstate_check(RunState state)
700 {
701 return current_run_state == state;
702 }
703
704 bool runstate_store(char *str, size_t size)
705 {
706 const char *state = RunState_str(current_run_state);
707 size_t len = strlen(state) + 1;
708
709 if (len > size) {
710 return false;
711 }
712 memcpy(str, state, len);
713 return true;
714 }
715
716 static void runstate_init(void)
717 {
718 const RunStateTransition *p;
719
720 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
721 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
722 runstate_valid_transitions[p->from][p->to] = true;
723 }
724
725 qemu_mutex_init(&vmstop_lock);
726 }
727
728 /* This function will abort() on invalid state transitions */
729 void runstate_set(RunState new_state)
730 {
731 assert(new_state < RUN_STATE__MAX);
732
733 trace_runstate_set(current_run_state, RunState_str(current_run_state),
734 new_state, RunState_str(current_run_state));
735
736 if (current_run_state == new_state) {
737 return;
738 }
739
740 if (!runstate_valid_transitions[current_run_state][new_state]) {
741 error_report("invalid runstate transition: '%s' -> '%s'",
742 RunState_str(current_run_state),
743 RunState_str(new_state));
744 abort();
745 }
746
747 current_run_state = new_state;
748 }
749
750 int runstate_is_running(void)
751 {
752 return runstate_check(RUN_STATE_RUNNING);
753 }
754
755 bool runstate_needs_reset(void)
756 {
757 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
758 runstate_check(RUN_STATE_SHUTDOWN);
759 }
760
761 StatusInfo *qmp_query_status(Error **errp)
762 {
763 StatusInfo *info = g_malloc0(sizeof(*info));
764
765 info->running = runstate_is_running();
766 info->singlestep = singlestep;
767 info->status = current_run_state;
768
769 return info;
770 }
771
772 bool qemu_vmstop_requested(RunState *r)
773 {
774 qemu_mutex_lock(&vmstop_lock);
775 *r = vmstop_requested;
776 vmstop_requested = RUN_STATE__MAX;
777 qemu_mutex_unlock(&vmstop_lock);
778 return *r < RUN_STATE__MAX;
779 }
780
781 void qemu_system_vmstop_request_prepare(void)
782 {
783 qemu_mutex_lock(&vmstop_lock);
784 }
785
786 void qemu_system_vmstop_request(RunState state)
787 {
788 vmstop_requested = state;
789 qemu_mutex_unlock(&vmstop_lock);
790 qemu_notify_event();
791 }
792
793 /***********************************************************/
794 /* RTC reference time/date access */
795 static time_t qemu_ref_timedate(QEMUClockType clock)
796 {
797 time_t value = qemu_clock_get_ms(clock) / 1000;
798 switch (clock) {
799 case QEMU_CLOCK_REALTIME:
800 value -= rtc_realtime_clock_offset;
801 /* no break */
802 case QEMU_CLOCK_VIRTUAL:
803 value += rtc_ref_start_datetime;
804 break;
805 case QEMU_CLOCK_HOST:
806 if (rtc_base_type == RTC_BASE_DATETIME) {
807 value -= rtc_host_datetime_offset;
808 }
809 break;
810 default:
811 assert(0);
812 }
813 return value;
814 }
815
816 void qemu_get_timedate(struct tm *tm, int offset)
817 {
818 time_t ti = qemu_ref_timedate(rtc_clock);
819
820 ti += offset;
821
822 switch (rtc_base_type) {
823 case RTC_BASE_DATETIME:
824 case RTC_BASE_UTC:
825 gmtime_r(&ti, tm);
826 break;
827 case RTC_BASE_LOCALTIME:
828 localtime_r(&ti, tm);
829 break;
830 }
831 }
832
833 int qemu_timedate_diff(struct tm *tm)
834 {
835 time_t seconds;
836
837 switch (rtc_base_type) {
838 case RTC_BASE_DATETIME:
839 case RTC_BASE_UTC:
840 seconds = mktimegm(tm);
841 break;
842 case RTC_BASE_LOCALTIME:
843 {
844 struct tm tmp = *tm;
845 tmp.tm_isdst = -1; /* use timezone to figure it out */
846 seconds = mktime(&tmp);
847 break;
848 }
849 default:
850 abort();
851 }
852
853 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
854 }
855
856 static void configure_rtc_base_datetime(const char *startdate)
857 {
858 time_t rtc_start_datetime;
859 struct tm tm;
860
861 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
862 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
863 /* OK */
864 } else if (sscanf(startdate, "%d-%d-%d",
865 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
866 tm.tm_hour = 0;
867 tm.tm_min = 0;
868 tm.tm_sec = 0;
869 } else {
870 goto date_fail;
871 }
872 tm.tm_year -= 1900;
873 tm.tm_mon--;
874 rtc_start_datetime = mktimegm(&tm);
875 if (rtc_start_datetime == -1) {
876 date_fail:
877 error_report("invalid datetime format");
878 error_printf("valid formats: "
879 "'2006-06-17T16:01:21' or '2006-06-17'\n");
880 exit(1);
881 }
882 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
883 rtc_ref_start_datetime = rtc_start_datetime;
884 }
885
886 static void configure_rtc(QemuOpts *opts)
887 {
888 const char *value;
889
890 /* Set defaults */
891 rtc_clock = QEMU_CLOCK_HOST;
892 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
893 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
894
895 value = qemu_opt_get(opts, "base");
896 if (value) {
897 if (!strcmp(value, "utc")) {
898 rtc_base_type = RTC_BASE_UTC;
899 } else if (!strcmp(value, "localtime")) {
900 Error *blocker = NULL;
901 rtc_base_type = RTC_BASE_LOCALTIME;
902 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
903 "-rtc base=localtime");
904 replay_add_blocker(blocker);
905 } else {
906 rtc_base_type = RTC_BASE_DATETIME;
907 configure_rtc_base_datetime(value);
908 }
909 }
910 value = qemu_opt_get(opts, "clock");
911 if (value) {
912 if (!strcmp(value, "host")) {
913 rtc_clock = QEMU_CLOCK_HOST;
914 } else if (!strcmp(value, "rt")) {
915 rtc_clock = QEMU_CLOCK_REALTIME;
916 } else if (!strcmp(value, "vm")) {
917 rtc_clock = QEMU_CLOCK_VIRTUAL;
918 } else {
919 error_report("invalid option value '%s'", value);
920 exit(1);
921 }
922 }
923 value = qemu_opt_get(opts, "driftfix");
924 if (value) {
925 if (!strcmp(value, "slew")) {
926 static GlobalProperty slew_lost_ticks = {
927 .driver = "mc146818rtc",
928 .property = "lost_tick_policy",
929 .value = "slew",
930 };
931
932 qdev_prop_register_global(&slew_lost_ticks);
933 } else if (!strcmp(value, "none")) {
934 /* discard is default */
935 } else {
936 error_report("invalid option value '%s'", value);
937 exit(1);
938 }
939 }
940 }
941
942 /***********************************************************/
943 /* Bluetooth support */
944 static int nb_hcis;
945 static int cur_hci;
946 static struct HCIInfo *hci_table[MAX_NICS];
947
948 struct HCIInfo *qemu_next_hci(void)
949 {
950 if (cur_hci == nb_hcis)
951 return &null_hci;
952
953 return hci_table[cur_hci++];
954 }
955
956 static int bt_hci_parse(const char *str)
957 {
958 struct HCIInfo *hci;
959 bdaddr_t bdaddr;
960
961 if (nb_hcis >= MAX_NICS) {
962 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
963 return -1;
964 }
965
966 hci = hci_init(str);
967 if (!hci)
968 return -1;
969
970 bdaddr.b[0] = 0x52;
971 bdaddr.b[1] = 0x54;
972 bdaddr.b[2] = 0x00;
973 bdaddr.b[3] = 0x12;
974 bdaddr.b[4] = 0x34;
975 bdaddr.b[5] = 0x56 + nb_hcis;
976 hci->bdaddr_set(hci, bdaddr.b);
977
978 hci_table[nb_hcis++] = hci;
979
980 return 0;
981 }
982
983 static void bt_vhci_add(int vlan_id)
984 {
985 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
986
987 if (!vlan->slave)
988 warn_report("adding a VHCI to an empty scatternet %i",
989 vlan_id);
990
991 bt_vhci_init(bt_new_hci(vlan));
992 }
993
994 static struct bt_device_s *bt_device_add(const char *opt)
995 {
996 struct bt_scatternet_s *vlan;
997 int vlan_id = 0;
998 char *endp = strstr(opt, ",vlan=");
999 int len = (endp ? endp - opt : strlen(opt)) + 1;
1000 char devname[10];
1001
1002 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1003
1004 if (endp) {
1005 vlan_id = strtol(endp + 6, &endp, 0);
1006 if (*endp) {
1007 error_report("unrecognised bluetooth vlan Id");
1008 return 0;
1009 }
1010 }
1011
1012 vlan = qemu_find_bt_vlan(vlan_id);
1013
1014 if (!vlan->slave)
1015 warn_report("adding a slave device to an empty scatternet %i",
1016 vlan_id);
1017
1018 if (!strcmp(devname, "keyboard"))
1019 return bt_keyboard_init(vlan);
1020
1021 error_report("unsupported bluetooth device '%s'", devname);
1022 return 0;
1023 }
1024
1025 static int bt_parse(const char *opt)
1026 {
1027 const char *endp, *p;
1028 int vlan;
1029
1030 if (strstart(opt, "hci", &endp)) {
1031 if (!*endp || *endp == ',') {
1032 if (*endp)
1033 if (!strstart(endp, ",vlan=", 0))
1034 opt = endp + 1;
1035
1036 return bt_hci_parse(opt);
1037 }
1038 } else if (strstart(opt, "vhci", &endp)) {
1039 if (!*endp || *endp == ',') {
1040 if (*endp) {
1041 if (strstart(endp, ",vlan=", &p)) {
1042 vlan = strtol(p, (char **) &endp, 0);
1043 if (*endp) {
1044 error_report("bad scatternet '%s'", p);
1045 return 1;
1046 }
1047 } else {
1048 error_report("bad parameter '%s'", endp + 1);
1049 return 1;
1050 }
1051 } else
1052 vlan = 0;
1053
1054 bt_vhci_add(vlan);
1055 return 0;
1056 }
1057 } else if (strstart(opt, "device:", &endp))
1058 return !bt_device_add(endp);
1059
1060 error_report("bad bluetooth parameter '%s'", opt);
1061 return 1;
1062 }
1063
1064 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1065 {
1066 const char *proc_name;
1067
1068 if (qemu_opt_get(opts, "debug-threads")) {
1069 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1070 }
1071 qemu_name = qemu_opt_get(opts, "guest");
1072
1073 proc_name = qemu_opt_get(opts, "process");
1074 if (proc_name) {
1075 os_set_proc_name(proc_name);
1076 }
1077
1078 return 0;
1079 }
1080
1081 bool defaults_enabled(void)
1082 {
1083 return has_defaults;
1084 }
1085
1086 #ifndef _WIN32
1087 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1088 {
1089 int fd, dupfd, flags;
1090 int64_t fdset_id;
1091 const char *fd_opaque = NULL;
1092 AddfdInfo *fdinfo;
1093
1094 fd = qemu_opt_get_number(opts, "fd", -1);
1095 fdset_id = qemu_opt_get_number(opts, "set", -1);
1096 fd_opaque = qemu_opt_get(opts, "opaque");
1097
1098 if (fd < 0) {
1099 error_setg(errp, "fd option is required and must be non-negative");
1100 return -1;
1101 }
1102
1103 if (fd <= STDERR_FILENO) {
1104 error_setg(errp, "fd cannot be a standard I/O stream");
1105 return -1;
1106 }
1107
1108 /*
1109 * All fds inherited across exec() necessarily have FD_CLOEXEC
1110 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1111 */
1112 flags = fcntl(fd, F_GETFD);
1113 if (flags == -1 || (flags & FD_CLOEXEC)) {
1114 error_setg(errp, "fd is not valid or already in use");
1115 return -1;
1116 }
1117
1118 if (fdset_id < 0) {
1119 error_setg(errp, "set option is required and must be non-negative");
1120 return -1;
1121 }
1122
1123 #ifdef F_DUPFD_CLOEXEC
1124 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1125 #else
1126 dupfd = dup(fd);
1127 if (dupfd != -1) {
1128 qemu_set_cloexec(dupfd);
1129 }
1130 #endif
1131 if (dupfd == -1) {
1132 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1133 return -1;
1134 }
1135
1136 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1137 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1138 &error_abort);
1139 g_free(fdinfo);
1140
1141 return 0;
1142 }
1143
1144 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1145 {
1146 int fd;
1147
1148 fd = qemu_opt_get_number(opts, "fd", -1);
1149 close(fd);
1150
1151 return 0;
1152 }
1153 #endif
1154
1155 /***********************************************************/
1156 /* QEMU Block devices */
1157
1158 #define HD_OPTS "media=disk"
1159 #define CDROM_OPTS "media=cdrom"
1160 #define FD_OPTS ""
1161 #define PFLASH_OPTS ""
1162 #define MTD_OPTS ""
1163 #define SD_OPTS ""
1164
1165 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1166 {
1167 BlockInterfaceType *block_default_type = opaque;
1168
1169 return drive_new(opts, *block_default_type, errp) == NULL;
1170 }
1171
1172 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1173 {
1174 if (qemu_opt_get(opts, "snapshot") == NULL) {
1175 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1176 }
1177 return 0;
1178 }
1179
1180 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1181 int index, const char *optstr)
1182 {
1183 QemuOpts *opts;
1184 DriveInfo *dinfo;
1185
1186 if (!enable || drive_get_by_index(type, index)) {
1187 return;
1188 }
1189
1190 opts = drive_add(type, index, NULL, optstr);
1191 if (snapshot) {
1192 drive_enable_snapshot(NULL, opts, NULL);
1193 }
1194
1195 dinfo = drive_new(opts, type, &error_abort);
1196 dinfo->is_default = true;
1197
1198 }
1199
1200 static QemuOptsList qemu_smp_opts = {
1201 .name = "smp-opts",
1202 .implied_opt_name = "cpus",
1203 .merge_lists = true,
1204 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1205 .desc = {
1206 {
1207 .name = "cpus",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "sockets",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "cores",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "threads",
1217 .type = QEMU_OPT_NUMBER,
1218 }, {
1219 .name = "maxcpus",
1220 .type = QEMU_OPT_NUMBER,
1221 },
1222 { /*End of list */ }
1223 },
1224 };
1225
1226 static void smp_parse(QemuOpts *opts)
1227 {
1228 if (opts) {
1229 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1230 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1231 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1232 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1233
1234 /* compute missing values, prefer sockets over cores over threads */
1235 if (cpus == 0 || sockets == 0) {
1236 cores = cores > 0 ? cores : 1;
1237 threads = threads > 0 ? threads : 1;
1238 if (cpus == 0) {
1239 sockets = sockets > 0 ? sockets : 1;
1240 cpus = cores * threads * sockets;
1241 } else {
1242 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1243 sockets = max_cpus / (cores * threads);
1244 }
1245 } else if (cores == 0) {
1246 threads = threads > 0 ? threads : 1;
1247 cores = cpus / (sockets * threads);
1248 cores = cores > 0 ? cores : 1;
1249 } else if (threads == 0) {
1250 threads = cpus / (cores * sockets);
1251 threads = threads > 0 ? threads : 1;
1252 } else if (sockets * cores * threads < cpus) {
1253 error_report("cpu topology: "
1254 "sockets (%u) * cores (%u) * threads (%u) < "
1255 "smp_cpus (%u)",
1256 sockets, cores, threads, cpus);
1257 exit(1);
1258 }
1259
1260 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1261
1262 if (max_cpus < cpus) {
1263 error_report("maxcpus must be equal to or greater than smp");
1264 exit(1);
1265 }
1266
1267 if (sockets * cores * threads > max_cpus) {
1268 error_report("cpu topology: "
1269 "sockets (%u) * cores (%u) * threads (%u) > "
1270 "maxcpus (%u)",
1271 sockets, cores, threads, max_cpus);
1272 exit(1);
1273 }
1274
1275 if (sockets * cores * threads != max_cpus) {
1276 warn_report("Invalid CPU topology deprecated: "
1277 "sockets (%u) * cores (%u) * threads (%u) "
1278 "!= maxcpus (%u)",
1279 sockets, cores, threads, max_cpus);
1280 }
1281
1282 smp_cpus = cpus;
1283 smp_cores = cores;
1284 smp_threads = threads;
1285 }
1286
1287 if (smp_cpus > 1) {
1288 Error *blocker = NULL;
1289 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1290 replay_add_blocker(blocker);
1291 }
1292 }
1293
1294 static void realtime_init(void)
1295 {
1296 if (enable_mlock) {
1297 if (os_mlock() < 0) {
1298 error_report("locking memory failed");
1299 exit(1);
1300 }
1301 }
1302 }
1303
1304
1305 static void configure_msg(QemuOpts *opts)
1306 {
1307 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1308 }
1309
1310 /***********************************************************/
1311 /* Semihosting */
1312
1313 typedef struct SemihostingConfig {
1314 bool enabled;
1315 SemihostingTarget target;
1316 const char **argv;
1317 int argc;
1318 const char *cmdline; /* concatenated argv */
1319 } SemihostingConfig;
1320
1321 static SemihostingConfig semihosting;
1322
1323 bool semihosting_enabled(void)
1324 {
1325 return semihosting.enabled;
1326 }
1327
1328 SemihostingTarget semihosting_get_target(void)
1329 {
1330 return semihosting.target;
1331 }
1332
1333 const char *semihosting_get_arg(int i)
1334 {
1335 if (i >= semihosting.argc) {
1336 return NULL;
1337 }
1338 return semihosting.argv[i];
1339 }
1340
1341 int semihosting_get_argc(void)
1342 {
1343 return semihosting.argc;
1344 }
1345
1346 const char *semihosting_get_cmdline(void)
1347 {
1348 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1349 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1350 }
1351 return semihosting.cmdline;
1352 }
1353
1354 static int add_semihosting_arg(void *opaque,
1355 const char *name, const char *val,
1356 Error **errp)
1357 {
1358 SemihostingConfig *s = opaque;
1359 if (strcmp(name, "arg") == 0) {
1360 s->argc++;
1361 /* one extra element as g_strjoinv() expects NULL-terminated array */
1362 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1363 s->argv[s->argc - 1] = val;
1364 s->argv[s->argc] = NULL;
1365 }
1366 return 0;
1367 }
1368
1369 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1370 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1371 {
1372 char *cmd_token;
1373
1374 /* argv[0] */
1375 add_semihosting_arg(&semihosting, "arg", file, NULL);
1376
1377 /* split -append and initialize argv[1..n] */
1378 cmd_token = strtok(g_strdup(cmd), " ");
1379 while (cmd_token) {
1380 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1381 cmd_token = strtok(NULL, " ");
1382 }
1383 }
1384
1385 /* Now we still need this for compatibility with XEN. */
1386 bool has_igd_gfx_passthru;
1387 static void igd_gfx_passthru(void)
1388 {
1389 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1390 }
1391
1392 /***********************************************************/
1393 /* USB devices */
1394
1395 static int usb_device_add(const char *devname)
1396 {
1397 USBDevice *dev = NULL;
1398
1399 if (!machine_usb(current_machine)) {
1400 return -1;
1401 }
1402
1403 dev = usbdevice_create(devname);
1404 if (!dev)
1405 return -1;
1406
1407 return 0;
1408 }
1409
1410 static int usb_parse(const char *cmdline)
1411 {
1412 int r;
1413 r = usb_device_add(cmdline);
1414 if (r < 0) {
1415 error_report("could not add USB device '%s'", cmdline);
1416 }
1417 return r;
1418 }
1419
1420 /***********************************************************/
1421 /* machine registration */
1422
1423 MachineState *current_machine;
1424
1425 static MachineClass *find_machine(const char *name)
1426 {
1427 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1428 MachineClass *mc = NULL;
1429
1430 for (el = machines; el; el = el->next) {
1431 MachineClass *temp = el->data;
1432
1433 if (!strcmp(temp->name, name)) {
1434 mc = temp;
1435 break;
1436 }
1437 if (temp->alias &&
1438 !strcmp(temp->alias, name)) {
1439 mc = temp;
1440 break;
1441 }
1442 }
1443
1444 g_slist_free(machines);
1445 return mc;
1446 }
1447
1448 MachineClass *find_default_machine(void)
1449 {
1450 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1451 MachineClass *mc = NULL;
1452
1453 for (el = machines; el; el = el->next) {
1454 MachineClass *temp = el->data;
1455
1456 if (temp->is_default) {
1457 mc = temp;
1458 break;
1459 }
1460 }
1461
1462 g_slist_free(machines);
1463 return mc;
1464 }
1465
1466 MachineInfoList *qmp_query_machines(Error **errp)
1467 {
1468 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1469 MachineInfoList *mach_list = NULL;
1470
1471 for (el = machines; el; el = el->next) {
1472 MachineClass *mc = el->data;
1473 MachineInfoList *entry;
1474 MachineInfo *info;
1475
1476 info = g_malloc0(sizeof(*info));
1477 if (mc->is_default) {
1478 info->has_is_default = true;
1479 info->is_default = true;
1480 }
1481
1482 if (mc->alias) {
1483 info->has_alias = true;
1484 info->alias = g_strdup(mc->alias);
1485 }
1486
1487 info->name = g_strdup(mc->name);
1488 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1489 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1490
1491 entry = g_malloc0(sizeof(*entry));
1492 entry->value = info;
1493 entry->next = mach_list;
1494 mach_list = entry;
1495 }
1496
1497 g_slist_free(machines);
1498 return mach_list;
1499 }
1500
1501 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1502 {
1503 ObjectProperty *prop;
1504 ObjectPropertyIterator iter;
1505
1506 if (!qemu_opt_has_help_opt(opts)) {
1507 return 0;
1508 }
1509
1510 object_property_iter_init(&iter, OBJECT(machine));
1511 while ((prop = object_property_iter_next(&iter))) {
1512 if (!prop->set) {
1513 continue;
1514 }
1515
1516 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1517 prop->name, prop->type);
1518 if (prop->description) {
1519 error_printf(" (%s)\n", prop->description);
1520 } else {
1521 error_printf("\n");
1522 }
1523 }
1524
1525 return 1;
1526 }
1527
1528 struct vm_change_state_entry {
1529 VMChangeStateHandler *cb;
1530 void *opaque;
1531 QLIST_ENTRY (vm_change_state_entry) entries;
1532 };
1533
1534 static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head;
1535
1536 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1537 void *opaque)
1538 {
1539 VMChangeStateEntry *e;
1540
1541 e = g_malloc0(sizeof (*e));
1542
1543 e->cb = cb;
1544 e->opaque = opaque;
1545 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1546 return e;
1547 }
1548
1549 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1550 {
1551 QLIST_REMOVE (e, entries);
1552 g_free (e);
1553 }
1554
1555 void vm_state_notify(int running, RunState state)
1556 {
1557 VMChangeStateEntry *e, *next;
1558
1559 trace_vm_state_notify(running, state, RunState_str(state));
1560
1561 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1562 e->cb(e->opaque, running, state);
1563 }
1564 }
1565
1566 static ShutdownCause reset_requested;
1567 static ShutdownCause shutdown_requested;
1568 static int shutdown_signal;
1569 static pid_t shutdown_pid;
1570 static int powerdown_requested;
1571 static int debug_requested;
1572 static int suspend_requested;
1573 static bool preconfig_exit_requested = true;
1574 static WakeupReason wakeup_reason;
1575 static NotifierList powerdown_notifiers =
1576 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1577 static NotifierList suspend_notifiers =
1578 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1579 static NotifierList wakeup_notifiers =
1580 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1581 static NotifierList shutdown_notifiers =
1582 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1583 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1584
1585 ShutdownCause qemu_shutdown_requested_get(void)
1586 {
1587 return shutdown_requested;
1588 }
1589
1590 ShutdownCause qemu_reset_requested_get(void)
1591 {
1592 return reset_requested;
1593 }
1594
1595 static int qemu_shutdown_requested(void)
1596 {
1597 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1598 }
1599
1600 static void qemu_kill_report(void)
1601 {
1602 if (!qtest_driver() && shutdown_signal) {
1603 if (shutdown_pid == 0) {
1604 /* This happens for eg ^C at the terminal, so it's worth
1605 * avoiding printing an odd message in that case.
1606 */
1607 error_report("terminating on signal %d", shutdown_signal);
1608 } else {
1609 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1610
1611 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1612 shutdown_signal, shutdown_pid,
1613 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1614 g_free(shutdown_cmd);
1615 }
1616 shutdown_signal = 0;
1617 }
1618 }
1619
1620 static ShutdownCause qemu_reset_requested(void)
1621 {
1622 ShutdownCause r = reset_requested;
1623
1624 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1625 reset_requested = SHUTDOWN_CAUSE_NONE;
1626 return r;
1627 }
1628 return SHUTDOWN_CAUSE_NONE;
1629 }
1630
1631 static int qemu_suspend_requested(void)
1632 {
1633 int r = suspend_requested;
1634 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1635 suspend_requested = 0;
1636 return r;
1637 }
1638 return false;
1639 }
1640
1641 static WakeupReason qemu_wakeup_requested(void)
1642 {
1643 return wakeup_reason;
1644 }
1645
1646 static int qemu_powerdown_requested(void)
1647 {
1648 int r = powerdown_requested;
1649 powerdown_requested = 0;
1650 return r;
1651 }
1652
1653 static int qemu_debug_requested(void)
1654 {
1655 int r = debug_requested;
1656 debug_requested = 0;
1657 return r;
1658 }
1659
1660 void qemu_exit_preconfig_request(void)
1661 {
1662 preconfig_exit_requested = true;
1663 }
1664
1665 /*
1666 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1667 */
1668 void qemu_system_reset(ShutdownCause reason)
1669 {
1670 MachineClass *mc;
1671
1672 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1673
1674 cpu_synchronize_all_states();
1675
1676 if (mc && mc->reset) {
1677 mc->reset();
1678 } else {
1679 qemu_devices_reset();
1680 }
1681 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1682 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1683 }
1684 cpu_synchronize_all_post_reset();
1685 }
1686
1687 void qemu_system_guest_panicked(GuestPanicInformation *info)
1688 {
1689 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1690
1691 if (current_cpu) {
1692 current_cpu->crash_occurred = true;
1693 }
1694 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1695 !!info, info);
1696 vm_stop(RUN_STATE_GUEST_PANICKED);
1697 if (!no_shutdown) {
1698 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1699 !!info, info);
1700 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1701 }
1702
1703 if (info) {
1704 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1705 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1706 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1707 info->u.hyper_v.arg1,
1708 info->u.hyper_v.arg2,
1709 info->u.hyper_v.arg3,
1710 info->u.hyper_v.arg4,
1711 info->u.hyper_v.arg5);
1712 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1713 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1714 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1715 info->u.s390.core,
1716 S390CrashReason_str(info->u.s390.reason),
1717 info->u.s390.psw_mask,
1718 info->u.s390.psw_addr);
1719 }
1720 qapi_free_GuestPanicInformation(info);
1721 }
1722 }
1723
1724 void qemu_system_reset_request(ShutdownCause reason)
1725 {
1726 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1727 shutdown_requested = reason;
1728 } else {
1729 reset_requested = reason;
1730 }
1731 cpu_stop_current();
1732 qemu_notify_event();
1733 }
1734
1735 static void qemu_system_suspend(void)
1736 {
1737 pause_all_vcpus();
1738 notifier_list_notify(&suspend_notifiers, NULL);
1739 runstate_set(RUN_STATE_SUSPENDED);
1740 qapi_event_send_suspend();
1741 }
1742
1743 void qemu_system_suspend_request(void)
1744 {
1745 if (runstate_check(RUN_STATE_SUSPENDED)) {
1746 return;
1747 }
1748 suspend_requested = 1;
1749 cpu_stop_current();
1750 qemu_notify_event();
1751 }
1752
1753 void qemu_register_suspend_notifier(Notifier *notifier)
1754 {
1755 notifier_list_add(&suspend_notifiers, notifier);
1756 }
1757
1758 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1759 {
1760 trace_system_wakeup_request(reason);
1761
1762 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1763 error_setg(errp,
1764 "Unable to wake up: guest is not in suspended state");
1765 return;
1766 }
1767 if (!(wakeup_reason_mask & (1 << reason))) {
1768 return;
1769 }
1770 runstate_set(RUN_STATE_RUNNING);
1771 wakeup_reason = reason;
1772 qemu_notify_event();
1773 }
1774
1775 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1776 {
1777 if (enabled) {
1778 wakeup_reason_mask |= (1 << reason);
1779 } else {
1780 wakeup_reason_mask &= ~(1 << reason);
1781 }
1782 }
1783
1784 void qemu_register_wakeup_notifier(Notifier *notifier)
1785 {
1786 notifier_list_add(&wakeup_notifiers, notifier);
1787 }
1788
1789 void qemu_register_wakeup_support(void)
1790 {
1791 wakeup_suspend_enabled = true;
1792 }
1793
1794 bool qemu_wakeup_suspend_enabled(void)
1795 {
1796 return wakeup_suspend_enabled;
1797 }
1798
1799 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1800 {
1801 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1802 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1803
1804 return params;
1805 }
1806
1807 void qemu_system_killed(int signal, pid_t pid)
1808 {
1809 shutdown_signal = signal;
1810 shutdown_pid = pid;
1811 no_shutdown = 0;
1812
1813 /* Cannot call qemu_system_shutdown_request directly because
1814 * we are in a signal handler.
1815 */
1816 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1817 qemu_notify_event();
1818 }
1819
1820 void qemu_system_shutdown_request(ShutdownCause reason)
1821 {
1822 trace_qemu_system_shutdown_request(reason);
1823 replay_shutdown_request(reason);
1824 shutdown_requested = reason;
1825 qemu_notify_event();
1826 }
1827
1828 static void qemu_system_powerdown(void)
1829 {
1830 qapi_event_send_powerdown();
1831 notifier_list_notify(&powerdown_notifiers, NULL);
1832 }
1833
1834 static void qemu_system_shutdown(ShutdownCause cause)
1835 {
1836 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1837 notifier_list_notify(&shutdown_notifiers, &cause);
1838 }
1839
1840 void qemu_system_powerdown_request(void)
1841 {
1842 trace_qemu_system_powerdown_request();
1843 powerdown_requested = 1;
1844 qemu_notify_event();
1845 }
1846
1847 void qemu_register_powerdown_notifier(Notifier *notifier)
1848 {
1849 notifier_list_add(&powerdown_notifiers, notifier);
1850 }
1851
1852 void qemu_register_shutdown_notifier(Notifier *notifier)
1853 {
1854 notifier_list_add(&shutdown_notifiers, notifier);
1855 }
1856
1857 void qemu_system_debug_request(void)
1858 {
1859 debug_requested = 1;
1860 qemu_notify_event();
1861 }
1862
1863 static bool main_loop_should_exit(void)
1864 {
1865 RunState r;
1866 ShutdownCause request;
1867
1868 if (preconfig_exit_requested) {
1869 if (runstate_check(RUN_STATE_PRECONFIG)) {
1870 runstate_set(RUN_STATE_PRELAUNCH);
1871 }
1872 preconfig_exit_requested = false;
1873 return true;
1874 }
1875 if (qemu_debug_requested()) {
1876 vm_stop(RUN_STATE_DEBUG);
1877 }
1878 if (qemu_suspend_requested()) {
1879 qemu_system_suspend();
1880 }
1881 request = qemu_shutdown_requested();
1882 if (request) {
1883 qemu_kill_report();
1884 qemu_system_shutdown(request);
1885 if (no_shutdown) {
1886 vm_stop(RUN_STATE_SHUTDOWN);
1887 } else {
1888 return true;
1889 }
1890 }
1891 request = qemu_reset_requested();
1892 if (request) {
1893 pause_all_vcpus();
1894 qemu_system_reset(request);
1895 resume_all_vcpus();
1896 if (!runstate_check(RUN_STATE_RUNNING) &&
1897 !runstate_check(RUN_STATE_INMIGRATE)) {
1898 runstate_set(RUN_STATE_PRELAUNCH);
1899 }
1900 }
1901 if (qemu_wakeup_requested()) {
1902 pause_all_vcpus();
1903 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1904 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1905 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1906 resume_all_vcpus();
1907 qapi_event_send_wakeup();
1908 }
1909 if (qemu_powerdown_requested()) {
1910 qemu_system_powerdown();
1911 }
1912 if (qemu_vmstop_requested(&r)) {
1913 vm_stop(r);
1914 }
1915 return false;
1916 }
1917
1918 static void main_loop(void)
1919 {
1920 #ifdef CONFIG_PROFILER
1921 int64_t ti;
1922 #endif
1923 while (!main_loop_should_exit()) {
1924 #ifdef CONFIG_PROFILER
1925 ti = profile_getclock();
1926 #endif
1927 main_loop_wait(false);
1928 #ifdef CONFIG_PROFILER
1929 dev_time += profile_getclock() - ti;
1930 #endif
1931 }
1932 }
1933
1934 static void version(void)
1935 {
1936 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1937 QEMU_COPYRIGHT "\n");
1938 }
1939
1940 static void help(int exitcode)
1941 {
1942 version();
1943 printf("usage: %s [options] [disk_image]\n\n"
1944 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1945 error_get_progname());
1946
1947 #define QEMU_OPTIONS_GENERATE_HELP
1948 #include "qemu-options-wrapper.h"
1949
1950 printf("\nDuring emulation, the following keys are useful:\n"
1951 "ctrl-alt-f toggle full screen\n"
1952 "ctrl-alt-n switch to virtual console 'n'\n"
1953 "ctrl-alt toggle mouse and keyboard grab\n"
1954 "\n"
1955 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1956 "\n"
1957 QEMU_HELP_BOTTOM "\n");
1958
1959 exit(exitcode);
1960 }
1961
1962 #define HAS_ARG 0x0001
1963
1964 typedef struct QEMUOption {
1965 const char *name;
1966 int flags;
1967 int index;
1968 uint32_t arch_mask;
1969 } QEMUOption;
1970
1971 static const QEMUOption qemu_options[] = {
1972 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1973 #define QEMU_OPTIONS_GENERATE_OPTIONS
1974 #include "qemu-options-wrapper.h"
1975 { NULL },
1976 };
1977
1978 typedef struct VGAInterfaceInfo {
1979 const char *opt_name; /* option name */
1980 const char *name; /* human-readable name */
1981 /* Class names indicating that support is available.
1982 * If no class is specified, the interface is always available */
1983 const char *class_names[2];
1984 } VGAInterfaceInfo;
1985
1986 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1987 [VGA_NONE] = {
1988 .opt_name = "none",
1989 },
1990 [VGA_STD] = {
1991 .opt_name = "std",
1992 .name = "standard VGA",
1993 .class_names = { "VGA", "isa-vga" },
1994 },
1995 [VGA_CIRRUS] = {
1996 .opt_name = "cirrus",
1997 .name = "Cirrus VGA",
1998 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1999 },
2000 [VGA_VMWARE] = {
2001 .opt_name = "vmware",
2002 .name = "VMWare SVGA",
2003 .class_names = { "vmware-svga" },
2004 },
2005 [VGA_VIRTIO] = {
2006 .opt_name = "virtio",
2007 .name = "Virtio VGA",
2008 .class_names = { "virtio-vga" },
2009 },
2010 [VGA_QXL] = {
2011 .opt_name = "qxl",
2012 .name = "QXL VGA",
2013 .class_names = { "qxl-vga" },
2014 },
2015 [VGA_TCX] = {
2016 .opt_name = "tcx",
2017 .name = "TCX framebuffer",
2018 .class_names = { "SUNW,tcx" },
2019 },
2020 [VGA_CG3] = {
2021 .opt_name = "cg3",
2022 .name = "CG3 framebuffer",
2023 .class_names = { "cgthree" },
2024 },
2025 [VGA_XENFB] = {
2026 .opt_name = "xenfb",
2027 },
2028 };
2029
2030 static bool vga_interface_available(VGAInterfaceType t)
2031 {
2032 VGAInterfaceInfo *ti = &vga_interfaces[t];
2033
2034 assert(t < VGA_TYPE_MAX);
2035 return !ti->class_names[0] ||
2036 object_class_by_name(ti->class_names[0]) ||
2037 object_class_by_name(ti->class_names[1]);
2038 }
2039
2040 static void select_vgahw(const char *p)
2041 {
2042 const char *opts;
2043 int t;
2044
2045 assert(vga_interface_type == VGA_NONE);
2046 for (t = 0; t < VGA_TYPE_MAX; t++) {
2047 VGAInterfaceInfo *ti = &vga_interfaces[t];
2048 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2049 if (!vga_interface_available(t)) {
2050 error_report("%s not available", ti->name);
2051 exit(1);
2052 }
2053 vga_interface_type = t;
2054 break;
2055 }
2056 }
2057 if (t == VGA_TYPE_MAX) {
2058 invalid_vga:
2059 error_report("unknown vga type: %s", p);
2060 exit(1);
2061 }
2062 while (*opts) {
2063 const char *nextopt;
2064
2065 if (strstart(opts, ",retrace=", &nextopt)) {
2066 opts = nextopt;
2067 if (strstart(opts, "dumb", &nextopt))
2068 vga_retrace_method = VGA_RETRACE_DUMB;
2069 else if (strstart(opts, "precise", &nextopt))
2070 vga_retrace_method = VGA_RETRACE_PRECISE;
2071 else goto invalid_vga;
2072 } else goto invalid_vga;
2073 opts = nextopt;
2074 }
2075 }
2076
2077 static void parse_display_qapi(const char *optarg)
2078 {
2079 DisplayOptions *opts;
2080 Visitor *v;
2081
2082 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2083
2084 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2085 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2086
2087 qapi_free_DisplayOptions(opts);
2088 visit_free(v);
2089 }
2090
2091 DisplayOptions *qmp_query_display_options(Error **errp)
2092 {
2093 return QAPI_CLONE(DisplayOptions, &dpy);
2094 }
2095
2096 static void parse_display(const char *p)
2097 {
2098 const char *opts;
2099
2100 if (strstart(p, "sdl", &opts)) {
2101 /*
2102 * sdl DisplayType needs hand-crafted parser instead of
2103 * parse_display_qapi() due to some options not in
2104 * DisplayOptions, specifically:
2105 * - frame
2106 * Already deprecated.
2107 * - ctrl_grab + alt_grab
2108 * Not clear yet what happens to them long-term. Should
2109 * replaced by something better or deprecated and dropped.
2110 */
2111 dpy.type = DISPLAY_TYPE_SDL;
2112 while (*opts) {
2113 const char *nextopt;
2114
2115 if (strstart(opts, ",alt_grab=", &nextopt)) {
2116 opts = nextopt;
2117 if (strstart(opts, "on", &nextopt)) {
2118 alt_grab = 1;
2119 } else if (strstart(opts, "off", &nextopt)) {
2120 alt_grab = 0;
2121 } else {
2122 goto invalid_sdl_args;
2123 }
2124 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2125 opts = nextopt;
2126 if (strstart(opts, "on", &nextopt)) {
2127 ctrl_grab = 1;
2128 } else if (strstart(opts, "off", &nextopt)) {
2129 ctrl_grab = 0;
2130 } else {
2131 goto invalid_sdl_args;
2132 }
2133 } else if (strstart(opts, ",window_close=", &nextopt)) {
2134 opts = nextopt;
2135 dpy.has_window_close = true;
2136 if (strstart(opts, "on", &nextopt)) {
2137 dpy.window_close = true;
2138 } else if (strstart(opts, "off", &nextopt)) {
2139 dpy.window_close = false;
2140 } else {
2141 goto invalid_sdl_args;
2142 }
2143 } else if (strstart(opts, ",gl=", &nextopt)) {
2144 opts = nextopt;
2145 dpy.has_gl = true;
2146 if (strstart(opts, "on", &nextopt)) {
2147 dpy.gl = DISPLAYGL_MODE_ON;
2148 } else if (strstart(opts, "core", &nextopt)) {
2149 dpy.gl = DISPLAYGL_MODE_CORE;
2150 } else if (strstart(opts, "es", &nextopt)) {
2151 dpy.gl = DISPLAYGL_MODE_ES;
2152 } else if (strstart(opts, "off", &nextopt)) {
2153 dpy.gl = DISPLAYGL_MODE_OFF;
2154 } else {
2155 goto invalid_sdl_args;
2156 }
2157 } else {
2158 invalid_sdl_args:
2159 error_report("invalid SDL option string");
2160 exit(1);
2161 }
2162 opts = nextopt;
2163 }
2164 } else if (strstart(p, "vnc", &opts)) {
2165 /*
2166 * vnc isn't a (local) DisplayType but a protocol for remote
2167 * display access.
2168 */
2169 if (*opts == '=') {
2170 vnc_parse(opts + 1, &error_fatal);
2171 } else {
2172 error_report("VNC requires a display argument vnc=<display>");
2173 exit(1);
2174 }
2175 } else {
2176 parse_display_qapi(p);
2177 }
2178 }
2179
2180 char *qemu_find_file(int type, const char *name)
2181 {
2182 int i;
2183 const char *subdir;
2184 char *buf;
2185
2186 /* Try the name as a straight path first */
2187 if (access(name, R_OK) == 0) {
2188 trace_load_file(name, name);
2189 return g_strdup(name);
2190 }
2191
2192 switch (type) {
2193 case QEMU_FILE_TYPE_BIOS:
2194 subdir = "";
2195 break;
2196 case QEMU_FILE_TYPE_KEYMAP:
2197 subdir = "keymaps/";
2198 break;
2199 default:
2200 abort();
2201 }
2202
2203 for (i = 0; i < data_dir_idx; i++) {
2204 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2205 if (access(buf, R_OK) == 0) {
2206 trace_load_file(name, buf);
2207 return buf;
2208 }
2209 g_free(buf);
2210 }
2211 return NULL;
2212 }
2213
2214 static void qemu_add_data_dir(const char *path)
2215 {
2216 int i;
2217
2218 if (path == NULL) {
2219 return;
2220 }
2221 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2222 return;
2223 }
2224 for (i = 0; i < data_dir_idx; i++) {
2225 if (strcmp(data_dir[i], path) == 0) {
2226 return; /* duplicate */
2227 }
2228 }
2229 data_dir[data_dir_idx++] = g_strdup(path);
2230 }
2231
2232 static inline bool nonempty_str(const char *str)
2233 {
2234 return str && *str;
2235 }
2236
2237 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2238 {
2239 gchar *buf;
2240 size_t size;
2241 const char *name, *file, *str;
2242 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2243
2244 if (fw_cfg == NULL) {
2245 error_setg(errp, "fw_cfg device not available");
2246 return -1;
2247 }
2248 name = qemu_opt_get(opts, "name");
2249 file = qemu_opt_get(opts, "file");
2250 str = qemu_opt_get(opts, "string");
2251
2252 /* we need name and either a file or the content string */
2253 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2254 error_setg(errp, "invalid argument(s)");
2255 return -1;
2256 }
2257 if (nonempty_str(file) && nonempty_str(str)) {
2258 error_setg(errp, "file and string are mutually exclusive");
2259 return -1;
2260 }
2261 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2262 error_setg(errp, "name too long (max. %d char)",
2263 FW_CFG_MAX_FILE_PATH - 1);
2264 return -1;
2265 }
2266 if (strncmp(name, "opt/", 4) != 0) {
2267 warn_report("externally provided fw_cfg item names "
2268 "should be prefixed with \"opt/\"");
2269 }
2270 if (nonempty_str(str)) {
2271 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2272 buf = g_memdup(str, size);
2273 } else {
2274 GError *err = NULL;
2275 if (!g_file_get_contents(file, &buf, &size, &err)) {
2276 error_setg(errp, "can't load %s: %s", file, err->message);
2277 g_error_free(err);
2278 return -1;
2279 }
2280 }
2281 /* For legacy, keep user files in a specific global order. */
2282 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2283 fw_cfg_add_file(fw_cfg, name, buf, size);
2284 fw_cfg_reset_order_override(fw_cfg);
2285 return 0;
2286 }
2287
2288 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2289 {
2290 return qdev_device_help(opts);
2291 }
2292
2293 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2294 {
2295 DeviceState *dev;
2296
2297 dev = qdev_device_add(opts, errp);
2298 if (!dev) {
2299 return -1;
2300 }
2301 object_unref(OBJECT(dev));
2302 return 0;
2303 }
2304
2305 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2306 {
2307 Error *local_err = NULL;
2308
2309 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2310 if (local_err) {
2311 error_propagate(errp, local_err);
2312 return -1;
2313 }
2314 exit(0);
2315 }
2316 return 0;
2317 }
2318
2319 #ifdef CONFIG_VIRTFS
2320 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2321 {
2322 return qemu_fsdev_add(opts, errp);
2323 }
2324 #endif
2325
2326 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2327 {
2328 Chardev *chr;
2329 const char *chardev;
2330 const char *mode;
2331 int flags;
2332
2333 mode = qemu_opt_get(opts, "mode");
2334 if (mode == NULL) {
2335 mode = "readline";
2336 }
2337 if (strcmp(mode, "readline") == 0) {
2338 flags = MONITOR_USE_READLINE;
2339 } else if (strcmp(mode, "control") == 0) {
2340 flags = MONITOR_USE_CONTROL;
2341 } else {
2342 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2343 return -1;
2344 }
2345
2346 if (qemu_opt_get_bool(opts, "pretty", 0))
2347 flags |= MONITOR_USE_PRETTY;
2348
2349 chardev = qemu_opt_get(opts, "chardev");
2350 if (!chardev) {
2351 error_report("chardev is required");
2352 exit(1);
2353 }
2354 chr = qemu_chr_find(chardev);
2355 if (chr == NULL) {
2356 error_setg(errp, "chardev \"%s\" not found", chardev);
2357 return -1;
2358 }
2359
2360 monitor_init(chr, flags);
2361 return 0;
2362 }
2363
2364 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2365 {
2366 static int monitor_device_index = 0;
2367 QemuOpts *opts;
2368 const char *p;
2369 char label[32];
2370
2371 if (strstart(optarg, "chardev:", &p)) {
2372 snprintf(label, sizeof(label), "%s", p);
2373 } else {
2374 snprintf(label, sizeof(label), "compat_monitor%d",
2375 monitor_device_index);
2376 opts = qemu_chr_parse_compat(label, optarg, true);
2377 if (!opts) {
2378 error_report("parse error: %s", optarg);
2379 exit(1);
2380 }
2381 }
2382
2383 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2384 qemu_opt_set(opts, "mode", mode, &error_abort);
2385 qemu_opt_set(opts, "chardev", label, &error_abort);
2386 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2387 monitor_device_index++;
2388 }
2389
2390 struct device_config {
2391 enum {
2392 DEV_USB, /* -usbdevice */
2393 DEV_BT, /* -bt */
2394 DEV_SERIAL, /* -serial */
2395 DEV_PARALLEL, /* -parallel */
2396 DEV_VIRTCON, /* -virtioconsole */
2397 DEV_DEBUGCON, /* -debugcon */
2398 DEV_GDB, /* -gdb, -s */
2399 DEV_SCLP, /* s390 sclp */
2400 } type;
2401 const char *cmdline;
2402 Location loc;
2403 QTAILQ_ENTRY(device_config) next;
2404 };
2405
2406 static QTAILQ_HEAD(, device_config) device_configs =
2407 QTAILQ_HEAD_INITIALIZER(device_configs);
2408
2409 static void add_device_config(int type, const char *cmdline)
2410 {
2411 struct device_config *conf;
2412
2413 conf = g_malloc0(sizeof(*conf));
2414 conf->type = type;
2415 conf->cmdline = cmdline;
2416 loc_save(&conf->loc);
2417 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2418 }
2419
2420 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2421 {
2422 struct device_config *conf;
2423 int rc;
2424
2425 QTAILQ_FOREACH(conf, &device_configs, next) {
2426 if (conf->type != type)
2427 continue;
2428 loc_push_restore(&conf->loc);
2429 rc = func(conf->cmdline);
2430 loc_pop(&conf->loc);
2431 if (rc) {
2432 return rc;
2433 }
2434 }
2435 return 0;
2436 }
2437
2438 static int serial_parse(const char *devname)
2439 {
2440 int index = num_serial_hds;
2441 char label[32];
2442
2443 if (strcmp(devname, "none") == 0)
2444 return 0;
2445 snprintf(label, sizeof(label), "serial%d", index);
2446 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2447
2448 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2449 if (!serial_hds[index]) {
2450 error_report("could not connect serial device"
2451 " to character backend '%s'", devname);
2452 return -1;
2453 }
2454 num_serial_hds++;
2455 return 0;
2456 }
2457
2458 Chardev *serial_hd(int i)
2459 {
2460 assert(i >= 0);
2461 if (i < num_serial_hds) {
2462 return serial_hds[i];
2463 }
2464 return NULL;
2465 }
2466
2467 int serial_max_hds(void)
2468 {
2469 return num_serial_hds;
2470 }
2471
2472 static int parallel_parse(const char *devname)
2473 {
2474 static int index = 0;
2475 char label[32];
2476
2477 if (strcmp(devname, "none") == 0)
2478 return 0;
2479 if (index == MAX_PARALLEL_PORTS) {
2480 error_report("too many parallel ports");
2481 exit(1);
2482 }
2483 snprintf(label, sizeof(label), "parallel%d", index);
2484 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2485 if (!parallel_hds[index]) {
2486 error_report("could not connect parallel device"
2487 " to character backend '%s'", devname);
2488 return -1;
2489 }
2490 index++;
2491 return 0;
2492 }
2493
2494 static int virtcon_parse(const char *devname)
2495 {
2496 QemuOptsList *device = qemu_find_opts("device");
2497 static int index = 0;
2498 char label[32];
2499 QemuOpts *bus_opts, *dev_opts;
2500
2501 if (strcmp(devname, "none") == 0)
2502 return 0;
2503 if (index == MAX_VIRTIO_CONSOLES) {
2504 error_report("too many virtio consoles");
2505 exit(1);
2506 }
2507
2508 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2509 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2510
2511 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2512 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2513
2514 snprintf(label, sizeof(label), "virtcon%d", index);
2515 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2516 if (!virtcon_hds[index]) {
2517 error_report("could not connect virtio console"
2518 " to character backend '%s'", devname);
2519 return -1;
2520 }
2521 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2522
2523 index++;
2524 return 0;
2525 }
2526
2527 static int debugcon_parse(const char *devname)
2528 {
2529 QemuOpts *opts;
2530
2531 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2532 error_report("invalid character backend '%s'", devname);
2533 exit(1);
2534 }
2535 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2536 if (!opts) {
2537 error_report("already have a debugcon device");
2538 exit(1);
2539 }
2540 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2541 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2542 return 0;
2543 }
2544
2545 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2546 {
2547 const MachineClass *mc1 = a, *mc2 = b;
2548 int res;
2549
2550 if (mc1->family == NULL) {
2551 if (mc2->family == NULL) {
2552 /* Compare standalone machine types against each other; they sort
2553 * in increasing order.
2554 */
2555 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2556 object_class_get_name(OBJECT_CLASS(mc2)));
2557 }
2558
2559 /* Standalone machine types sort after families. */
2560 return 1;
2561 }
2562
2563 if (mc2->family == NULL) {
2564 /* Families sort before standalone machine types. */
2565 return -1;
2566 }
2567
2568 /* Families sort between each other alphabetically increasingly. */
2569 res = strcmp(mc1->family, mc2->family);
2570 if (res != 0) {
2571 return res;
2572 }
2573
2574 /* Within the same family, machine types sort in decreasing order. */
2575 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2576 object_class_get_name(OBJECT_CLASS(mc1)));
2577 }
2578
2579 static MachineClass *machine_parse(const char *name)
2580 {
2581 MachineClass *mc = NULL;
2582 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2583
2584 if (name) {
2585 mc = find_machine(name);
2586 }
2587 if (mc) {
2588 g_slist_free(machines);
2589 return mc;
2590 }
2591 if (name && !is_help_option(name)) {
2592 error_report("unsupported machine type");
2593 error_printf("Use -machine help to list supported machines\n");
2594 } else {
2595 printf("Supported machines are:\n");
2596 machines = g_slist_sort(machines, machine_class_cmp);
2597 for (el = machines; el; el = el->next) {
2598 MachineClass *mc = el->data;
2599 if (mc->alias) {
2600 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2601 }
2602 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2603 mc->is_default ? " (default)" : "",
2604 mc->deprecation_reason ? " (deprecated)" : "");
2605 }
2606 }
2607
2608 g_slist_free(machines);
2609 exit(!name || !is_help_option(name));
2610 }
2611
2612 void qemu_add_exit_notifier(Notifier *notify)
2613 {
2614 notifier_list_add(&exit_notifiers, notify);
2615 }
2616
2617 void qemu_remove_exit_notifier(Notifier *notify)
2618 {
2619 notifier_remove(notify);
2620 }
2621
2622 static void qemu_run_exit_notifiers(void)
2623 {
2624 notifier_list_notify(&exit_notifiers, NULL);
2625 }
2626
2627 static const char *pid_file;
2628 static Notifier qemu_unlink_pidfile_notifier;
2629
2630 static void qemu_unlink_pidfile(Notifier *n, void *data)
2631 {
2632 if (pid_file) {
2633 unlink(pid_file);
2634 }
2635 }
2636
2637 bool machine_init_done;
2638
2639 void qemu_add_machine_init_done_notifier(Notifier *notify)
2640 {
2641 notifier_list_add(&machine_init_done_notifiers, notify);
2642 if (machine_init_done) {
2643 notify->notify(notify, NULL);
2644 }
2645 }
2646
2647 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2648 {
2649 notifier_remove(notify);
2650 }
2651
2652 static void qemu_run_machine_init_done_notifiers(void)
2653 {
2654 machine_init_done = true;
2655 notifier_list_notify(&machine_init_done_notifiers, NULL);
2656 }
2657
2658 static const QEMUOption *lookup_opt(int argc, char **argv,
2659 const char **poptarg, int *poptind)
2660 {
2661 const QEMUOption *popt;
2662 int optind = *poptind;
2663 char *r = argv[optind];
2664 const char *optarg;
2665
2666 loc_set_cmdline(argv, optind, 1);
2667 optind++;
2668 /* Treat --foo the same as -foo. */
2669 if (r[1] == '-')
2670 r++;
2671 popt = qemu_options;
2672 for(;;) {
2673 if (!popt->name) {
2674 error_report("invalid option");
2675 exit(1);
2676 }
2677 if (!strcmp(popt->name, r + 1))
2678 break;
2679 popt++;
2680 }
2681 if (popt->flags & HAS_ARG) {
2682 if (optind >= argc) {
2683 error_report("requires an argument");
2684 exit(1);
2685 }
2686 optarg = argv[optind++];
2687 loc_set_cmdline(argv, optind - 2, 2);
2688 } else {
2689 optarg = NULL;
2690 }
2691
2692 *poptarg = optarg;
2693 *poptind = optind;
2694
2695 return popt;
2696 }
2697
2698 static MachineClass *select_machine(void)
2699 {
2700 MachineClass *machine_class = find_default_machine();
2701 const char *optarg;
2702 QemuOpts *opts;
2703 Location loc;
2704
2705 loc_push_none(&loc);
2706
2707 opts = qemu_get_machine_opts();
2708 qemu_opts_loc_restore(opts);
2709
2710 optarg = qemu_opt_get(opts, "type");
2711 if (optarg) {
2712 machine_class = machine_parse(optarg);
2713 }
2714
2715 if (!machine_class) {
2716 error_report("No machine specified, and there is no default");
2717 error_printf("Use -machine help to list supported machines\n");
2718 exit(1);
2719 }
2720
2721 loc_pop(&loc);
2722 return machine_class;
2723 }
2724
2725 static int machine_set_property(void *opaque,
2726 const char *name, const char *value,
2727 Error **errp)
2728 {
2729 Object *obj = OBJECT(opaque);
2730 Error *local_err = NULL;
2731 char *p, *qom_name;
2732
2733 if (strcmp(name, "type") == 0) {
2734 return 0;
2735 }
2736
2737 qom_name = g_strdup(name);
2738 for (p = qom_name; *p; p++) {
2739 if (*p == '_') {
2740 *p = '-';
2741 }
2742 }
2743
2744 object_property_parse(obj, value, qom_name, &local_err);
2745 g_free(qom_name);
2746
2747 if (local_err) {
2748 error_propagate(errp, local_err);
2749 return -1;
2750 }
2751
2752 return 0;
2753 }
2754
2755
2756 /*
2757 * Initial object creation happens before all other
2758 * QEMU data types are created. The majority of objects
2759 * can be created at this point. The rng-egd object
2760 * cannot be created here, as it depends on the chardev
2761 * already existing.
2762 */
2763 static bool object_create_initial(const char *type, QemuOpts *opts)
2764 {
2765 ObjectClass *klass;
2766
2767 if (is_help_option(type)) {
2768 GSList *l, *list;
2769
2770 printf("List of user creatable objects:\n");
2771 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2772 for (l = list; l != NULL; l = l->next) {
2773 ObjectClass *oc = OBJECT_CLASS(l->data);
2774 printf(" %s\n", object_class_get_name(oc));
2775 }
2776 g_slist_free(list);
2777 exit(0);
2778 }
2779
2780 klass = object_class_by_name(type);
2781 if (klass && qemu_opt_has_help_opt(opts)) {
2782 ObjectPropertyIterator iter;
2783 ObjectProperty *prop;
2784 GPtrArray *array = g_ptr_array_new();
2785 int i;
2786
2787 object_class_property_iter_init(&iter, klass);
2788 while ((prop = object_property_iter_next(&iter))) {
2789 GString *str;
2790
2791 if (!prop->set) {
2792 continue;
2793 }
2794
2795 str = g_string_new(NULL);
2796 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2797 if (prop->description) {
2798 if (str->len < 24) {
2799 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2800 }
2801 g_string_append_printf(str, " - %s", prop->description);
2802 }
2803 g_ptr_array_add(array, g_string_free(str, false));
2804 }
2805 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2806 if (array->len > 0) {
2807 printf("%s options:\n", type);
2808 } else {
2809 printf("There are no options for %s.\n", type);
2810 }
2811 for (i = 0; i < array->len; i++) {
2812 printf("%s\n", (char *)array->pdata[i]);
2813 }
2814 g_ptr_array_set_free_func(array, g_free);
2815 g_ptr_array_free(array, true);
2816 exit(0);
2817 }
2818
2819 if (g_str_equal(type, "rng-egd") ||
2820 g_str_has_prefix(type, "pr-manager-")) {
2821 return false;
2822 }
2823
2824 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2825 if (g_str_equal(type, "cryptodev-vhost-user")) {
2826 return false;
2827 }
2828 #endif
2829
2830 /*
2831 * return false for concrete netfilters since
2832 * they depend on netdevs already existing
2833 */
2834 if (g_str_equal(type, "filter-buffer") ||
2835 g_str_equal(type, "filter-dump") ||
2836 g_str_equal(type, "filter-mirror") ||
2837 g_str_equal(type, "filter-redirector") ||
2838 g_str_equal(type, "colo-compare") ||
2839 g_str_equal(type, "filter-rewriter") ||
2840 g_str_equal(type, "filter-replay")) {
2841 return false;
2842 }
2843
2844 /* Memory allocation by backends needs to be done
2845 * after configure_accelerator() (due to the tcg_enabled()
2846 * checks at memory_region_init_*()).
2847 *
2848 * Also, allocation of large amounts of memory may delay
2849 * chardev initialization for too long, and trigger timeouts
2850 * on software that waits for a monitor socket to be created
2851 * (e.g. libvirt).
2852 */
2853 if (g_str_has_prefix(type, "memory-backend-")) {
2854 return false;
2855 }
2856
2857 return true;
2858 }
2859
2860
2861 /*
2862 * The remainder of object creation happens after the
2863 * creation of chardev, fsdev, net clients and device data types.
2864 */
2865 static bool object_create_delayed(const char *type, QemuOpts *opts)
2866 {
2867 return !object_create_initial(type, opts);
2868 }
2869
2870
2871 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2872 MachineClass *mc)
2873 {
2874 uint64_t sz;
2875 const char *mem_str;
2876 const ram_addr_t default_ram_size = mc->default_ram_size;
2877 QemuOpts *opts = qemu_find_opts_singleton("memory");
2878 Location loc;
2879
2880 loc_push_none(&loc);
2881 qemu_opts_loc_restore(opts);
2882
2883 sz = 0;
2884 mem_str = qemu_opt_get(opts, "size");
2885 if (mem_str) {
2886 if (!*mem_str) {
2887 error_report("missing 'size' option value");
2888 exit(EXIT_FAILURE);
2889 }
2890
2891 sz = qemu_opt_get_size(opts, "size", ram_size);
2892
2893 /* Fix up legacy suffix-less format */
2894 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2895 uint64_t overflow_check = sz;
2896
2897 sz *= MiB;
2898 if (sz / MiB != overflow_check) {
2899 error_report("too large 'size' option value");
2900 exit(EXIT_FAILURE);
2901 }
2902 }
2903 }
2904
2905 /* backward compatibility behaviour for case "-m 0" */
2906 if (sz == 0) {
2907 sz = default_ram_size;
2908 }
2909
2910 sz = QEMU_ALIGN_UP(sz, 8192);
2911 ram_size = sz;
2912 if (ram_size != sz) {
2913 error_report("ram size too large");
2914 exit(EXIT_FAILURE);
2915 }
2916
2917 /* store value for the future use */
2918 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2919 *maxram_size = ram_size;
2920
2921 if (qemu_opt_get(opts, "maxmem")) {
2922 uint64_t slots;
2923
2924 sz = qemu_opt_get_size(opts, "maxmem", 0);
2925 slots = qemu_opt_get_number(opts, "slots", 0);
2926 if (sz < ram_size) {
2927 error_report("invalid value of -m option maxmem: "
2928 "maximum memory size (0x%" PRIx64 ") must be at least "
2929 "the initial memory size (0x" RAM_ADDR_FMT ")",
2930 sz, ram_size);
2931 exit(EXIT_FAILURE);
2932 } else if (slots && sz == ram_size) {
2933 error_report("invalid value of -m option maxmem: "
2934 "memory slots were specified but maximum memory size "
2935 "(0x%" PRIx64 ") is equal to the initial memory size "
2936 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2937 exit(EXIT_FAILURE);
2938 }
2939
2940 *maxram_size = sz;
2941 *ram_slots = slots;
2942 } else if (qemu_opt_get(opts, "slots")) {
2943 error_report("invalid -m option value: missing 'maxmem' option");
2944 exit(EXIT_FAILURE);
2945 }
2946
2947 loc_pop(&loc);
2948 }
2949
2950 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2951 {
2952 GlobalProperty *g;
2953
2954 g = g_malloc0(sizeof(*g));
2955 g->driver = qemu_opt_get(opts, "driver");
2956 g->property = qemu_opt_get(opts, "property");
2957 g->value = qemu_opt_get(opts, "value");
2958 qdev_prop_register_global(g);
2959 return 0;
2960 }
2961
2962 static int qemu_read_default_config_file(void)
2963 {
2964 int ret;
2965
2966 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2967 if (ret < 0 && ret != -ENOENT) {
2968 return ret;
2969 }
2970
2971 return 0;
2972 }
2973
2974 static void user_register_global_props(void)
2975 {
2976 qemu_opts_foreach(qemu_find_opts("global"),
2977 global_init_func, NULL, NULL);
2978 }
2979
2980 /*
2981 * Note: we should see that these properties are actually having a
2982 * priority: accel < machine < user. This means e.g. when user
2983 * specifies something in "-global", it'll always be used with highest
2984 * priority than either machine/accelerator compat properties.
2985 */
2986 static void register_global_properties(MachineState *ms)
2987 {
2988 user_register_global_props();
2989 }
2990
2991 int main(int argc, char **argv, char **envp)
2992 {
2993 int i;
2994 int snapshot, linux_boot;
2995 const char *initrd_filename;
2996 const char *kernel_filename, *kernel_cmdline;
2997 const char *boot_order = NULL;
2998 const char *boot_once = NULL;
2999 DisplayState *ds;
3000 QemuOpts *opts, *machine_opts;
3001 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
3002 QemuOptsList *olist;
3003 int optind;
3004 const char *optarg;
3005 const char *loadvm = NULL;
3006 MachineClass *machine_class;
3007 const char *cpu_model;
3008 const char *vga_model = NULL;
3009 const char *qtest_chrdev = NULL;
3010 const char *qtest_log = NULL;
3011 const char *incoming = NULL;
3012 bool userconfig = true;
3013 bool nographic = false;
3014 int display_remote = 0;
3015 const char *log_mask = NULL;
3016 const char *log_file = NULL;
3017 char *trace_file = NULL;
3018 ram_addr_t maxram_size;
3019 uint64_t ram_slots = 0;
3020 FILE *vmstate_dump_file = NULL;
3021 Error *main_loop_err = NULL;
3022 Error *err = NULL;
3023 bool list_data_dirs = false;
3024 char *dir, **dirs;
3025 typedef struct BlockdevOptions_queue {
3026 BlockdevOptions *bdo;
3027 Location loc;
3028 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3029 } BlockdevOptions_queue;
3030 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3031 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3032
3033 module_call_init(MODULE_INIT_TRACE);
3034
3035 qemu_init_cpu_list();
3036 qemu_init_cpu_loop();
3037
3038 qemu_mutex_lock_iothread();
3039
3040 atexit(qemu_run_exit_notifiers);
3041 error_set_progname(argv[0]);
3042 qemu_init_exec_dir(argv[0]);
3043
3044 module_call_init(MODULE_INIT_QOM);
3045
3046 qemu_add_opts(&qemu_drive_opts);
3047 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3048 qemu_add_drive_opts(&qemu_common_drive_opts);
3049 qemu_add_drive_opts(&qemu_drive_opts);
3050 qemu_add_drive_opts(&bdrv_runtime_opts);
3051 qemu_add_opts(&qemu_chardev_opts);
3052 qemu_add_opts(&qemu_device_opts);
3053 qemu_add_opts(&qemu_netdev_opts);
3054 qemu_add_opts(&qemu_nic_opts);
3055 qemu_add_opts(&qemu_net_opts);
3056 qemu_add_opts(&qemu_rtc_opts);
3057 qemu_add_opts(&qemu_global_opts);
3058 qemu_add_opts(&qemu_mon_opts);
3059 qemu_add_opts(&qemu_trace_opts);
3060 qemu_add_opts(&qemu_option_rom_opts);
3061 qemu_add_opts(&qemu_machine_opts);
3062 qemu_add_opts(&qemu_accel_opts);
3063 qemu_add_opts(&qemu_mem_opts);
3064 qemu_add_opts(&qemu_smp_opts);
3065 qemu_add_opts(&qemu_boot_opts);
3066 qemu_add_opts(&qemu_add_fd_opts);
3067 qemu_add_opts(&qemu_object_opts);
3068 qemu_add_opts(&qemu_tpmdev_opts);
3069 qemu_add_opts(&qemu_realtime_opts);
3070 qemu_add_opts(&qemu_overcommit_opts);
3071 qemu_add_opts(&qemu_msg_opts);
3072 qemu_add_opts(&qemu_name_opts);
3073 qemu_add_opts(&qemu_numa_opts);
3074 qemu_add_opts(&qemu_icount_opts);
3075 qemu_add_opts(&qemu_semihosting_config_opts);
3076 qemu_add_opts(&qemu_fw_cfg_opts);
3077 module_call_init(MODULE_INIT_OPTS);
3078
3079 runstate_init();
3080 postcopy_infrastructure_init();
3081 monitor_init_globals();
3082
3083 if (qcrypto_init(&err) < 0) {
3084 error_reportf_err(err, "cannot initialize crypto: ");
3085 exit(1);
3086 }
3087
3088 QLIST_INIT (&vm_change_state_head);
3089 os_setup_early_signal_handling();
3090
3091 cpu_model = NULL;
3092 snapshot = 0;
3093
3094 nb_nics = 0;
3095
3096 bdrv_init_with_whitelist();
3097
3098 autostart = 1;
3099
3100 /* first pass of option parsing */
3101 optind = 1;
3102 while (optind < argc) {
3103 if (argv[optind][0] != '-') {
3104 /* disk image */
3105 optind++;
3106 } else {
3107 const QEMUOption *popt;
3108
3109 popt = lookup_opt(argc, argv, &optarg, &optind);
3110 switch (popt->index) {
3111 case QEMU_OPTION_nouserconfig:
3112 userconfig = false;
3113 break;
3114 }
3115 }
3116 }
3117
3118 if (userconfig) {
3119 if (qemu_read_default_config_file() < 0) {
3120 exit(1);
3121 }
3122 }
3123
3124 /* second pass of option parsing */
3125 optind = 1;
3126 for(;;) {
3127 if (optind >= argc)
3128 break;
3129 if (argv[optind][0] != '-') {
3130 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3131 } else {
3132 const QEMUOption *popt;
3133
3134 popt = lookup_opt(argc, argv, &optarg, &optind);
3135 if (!(popt->arch_mask & arch_type)) {
3136 error_report("Option not supported for this target");
3137 exit(1);
3138 }
3139 switch(popt->index) {
3140 case QEMU_OPTION_cpu:
3141 /* hw initialization will check this */
3142 cpu_model = optarg;
3143 break;
3144 case QEMU_OPTION_hda:
3145 case QEMU_OPTION_hdb:
3146 case QEMU_OPTION_hdc:
3147 case QEMU_OPTION_hdd:
3148 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3149 HD_OPTS);
3150 break;
3151 case QEMU_OPTION_blockdev:
3152 {
3153 Visitor *v;
3154 BlockdevOptions_queue *bdo;
3155
3156 v = qobject_input_visitor_new_str(optarg, "driver",
3157 &error_fatal);
3158
3159 bdo = g_new(BlockdevOptions_queue, 1);
3160 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3161 &error_fatal);
3162 visit_free(v);
3163 loc_save(&bdo->loc);
3164 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3165 break;
3166 }
3167 case QEMU_OPTION_drive:
3168 if (drive_def(optarg) == NULL) {
3169 exit(1);
3170 }
3171 break;
3172 case QEMU_OPTION_set:
3173 if (qemu_set_option(optarg) != 0)
3174 exit(1);
3175 break;
3176 case QEMU_OPTION_global:
3177 if (qemu_global_option(optarg) != 0)
3178 exit(1);
3179 break;
3180 case QEMU_OPTION_mtdblock:
3181 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3182 break;
3183 case QEMU_OPTION_sd:
3184 drive_add(IF_SD, -1, optarg, SD_OPTS);
3185 break;
3186 case QEMU_OPTION_pflash:
3187 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3188 break;
3189 case QEMU_OPTION_snapshot:
3190 snapshot = 1;
3191 break;
3192 case QEMU_OPTION_numa:
3193 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3194 optarg, true);
3195 if (!opts) {
3196 exit(1);
3197 }
3198 break;
3199 case QEMU_OPTION_display:
3200 parse_display(optarg);
3201 break;
3202 case QEMU_OPTION_nographic:
3203 olist = qemu_find_opts("machine");
3204 qemu_opts_parse_noisily(olist, "graphics=off", false);
3205 nographic = true;
3206 dpy.type = DISPLAY_TYPE_NONE;
3207 break;
3208 case QEMU_OPTION_curses:
3209 #ifdef CONFIG_CURSES
3210 dpy.type = DISPLAY_TYPE_CURSES;
3211 #else
3212 error_report("curses support is disabled");
3213 exit(1);
3214 #endif
3215 break;
3216 case QEMU_OPTION_portrait:
3217 graphic_rotate = 90;
3218 break;
3219 case QEMU_OPTION_rotate:
3220 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3221 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3222 graphic_rotate != 180 && graphic_rotate != 270) {
3223 error_report("only 90, 180, 270 deg rotation is available");
3224 exit(1);
3225 }
3226 break;
3227 case QEMU_OPTION_kernel:
3228 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3229 &error_abort);
3230 break;
3231 case QEMU_OPTION_initrd:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3233 &error_abort);
3234 break;
3235 case QEMU_OPTION_append:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3237 &error_abort);
3238 break;
3239 case QEMU_OPTION_dtb:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3241 &error_abort);
3242 break;
3243 case QEMU_OPTION_cdrom:
3244 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3245 break;
3246 case QEMU_OPTION_boot:
3247 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3248 optarg, true);
3249 if (!opts) {
3250 exit(1);
3251 }
3252 break;
3253 case QEMU_OPTION_fda:
3254 case QEMU_OPTION_fdb:
3255 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3256 optarg, FD_OPTS);
3257 break;
3258 case QEMU_OPTION_no_fd_bootchk:
3259 fd_bootchk = 0;
3260 break;
3261 case QEMU_OPTION_netdev:
3262 default_net = 0;
3263 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3264 exit(1);
3265 }
3266 break;
3267 case QEMU_OPTION_nic:
3268 default_net = 0;
3269 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3270 exit(1);
3271 }
3272 break;
3273 case QEMU_OPTION_net:
3274 default_net = 0;
3275 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3276 exit(1);
3277 }
3278 break;
3279 #ifdef CONFIG_LIBISCSI
3280 case QEMU_OPTION_iscsi:
3281 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3282 optarg, false);
3283 if (!opts) {
3284 exit(1);
3285 }
3286 break;
3287 #endif
3288 case QEMU_OPTION_bt:
3289 warn_report("The bluetooth subsystem is deprecated and will "
3290 "be removed soon. If the bluetooth subsystem is "
3291 "still useful for you, please send a mail to "
3292 "qemu-devel@nongnu.org with your usecase.");
3293 add_device_config(DEV_BT, optarg);
3294 break;
3295 case QEMU_OPTION_audio_help:
3296 AUD_help ();
3297 exit (0);
3298 break;
3299 case QEMU_OPTION_soundhw:
3300 select_soundhw (optarg);
3301 break;
3302 case QEMU_OPTION_h:
3303 help(0);
3304 break;
3305 case QEMU_OPTION_version:
3306 version();
3307 exit(0);
3308 break;
3309 case QEMU_OPTION_m:
3310 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3311 optarg, true);
3312 if (!opts) {
3313 exit(EXIT_FAILURE);
3314 }
3315 break;
3316 #ifdef CONFIG_TPM
3317 case QEMU_OPTION_tpmdev:
3318 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3319 exit(1);
3320 }
3321 break;
3322 #endif
3323 case QEMU_OPTION_mempath:
3324 mem_path = optarg;
3325 break;
3326 case QEMU_OPTION_mem_prealloc:
3327 mem_prealloc = 1;
3328 break;
3329 case QEMU_OPTION_d:
3330 log_mask = optarg;
3331 break;
3332 case QEMU_OPTION_D:
3333 log_file = optarg;
3334 break;
3335 case QEMU_OPTION_DFILTER:
3336 qemu_set_dfilter_ranges(optarg, &error_fatal);
3337 break;
3338 case QEMU_OPTION_s:
3339 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3340 break;
3341 case QEMU_OPTION_gdb:
3342 add_device_config(DEV_GDB, optarg);
3343 break;
3344 case QEMU_OPTION_L:
3345 if (is_help_option(optarg)) {
3346 list_data_dirs = true;
3347 } else {
3348 qemu_add_data_dir(optarg);
3349 }
3350 break;
3351 case QEMU_OPTION_bios:
3352 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3353 &error_abort);
3354 break;
3355 case QEMU_OPTION_singlestep:
3356 singlestep = 1;
3357 break;
3358 case QEMU_OPTION_S:
3359 autostart = 0;
3360 break;
3361 case QEMU_OPTION_k:
3362 keyboard_layout = optarg;
3363 break;
3364 case QEMU_OPTION_vga:
3365 vga_model = optarg;
3366 default_vga = 0;
3367 break;
3368 case QEMU_OPTION_g:
3369 {
3370 const char *p;
3371 int w, h, depth;
3372 p = optarg;
3373 w = strtol(p, (char **)&p, 10);
3374 if (w <= 0) {
3375 graphic_error:
3376 error_report("invalid resolution or depth");
3377 exit(1);
3378 }
3379 if (*p != 'x')
3380 goto graphic_error;
3381 p++;
3382 h = strtol(p, (char **)&p, 10);
3383 if (h <= 0)
3384 goto graphic_error;
3385 if (*p == 'x') {
3386 p++;
3387 depth = strtol(p, (char **)&p, 10);
3388 if (depth != 8 && depth != 15 && depth != 16 &&
3389 depth != 24 && depth != 32)
3390 goto graphic_error;
3391 } else if (*p == '\0') {
3392 depth = graphic_depth;
3393 } else {
3394 goto graphic_error;
3395 }
3396
3397 graphic_width = w;
3398 graphic_height = h;
3399 graphic_depth = depth;
3400 }
3401 break;
3402 case QEMU_OPTION_echr:
3403 {
3404 char *r;
3405 term_escape_char = strtol(optarg, &r, 0);
3406 if (r == optarg)
3407 printf("Bad argument to echr\n");
3408 break;
3409 }
3410 case QEMU_OPTION_monitor:
3411 default_monitor = 0;
3412 if (strncmp(optarg, "none", 4)) {
3413 monitor_parse(optarg, "readline", false);
3414 }
3415 break;
3416 case QEMU_OPTION_qmp:
3417 monitor_parse(optarg, "control", false);
3418 default_monitor = 0;
3419 break;
3420 case QEMU_OPTION_qmp_pretty:
3421 monitor_parse(optarg, "control", true);
3422 default_monitor = 0;
3423 break;
3424 case QEMU_OPTION_mon:
3425 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3426 true);
3427 if (!opts) {
3428 exit(1);
3429 }
3430 default_monitor = 0;
3431 break;
3432 case QEMU_OPTION_chardev:
3433 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3434 optarg, true);
3435 if (!opts) {
3436 exit(1);
3437 }
3438 break;
3439 case QEMU_OPTION_fsdev:
3440 olist = qemu_find_opts("fsdev");
3441 if (!olist) {
3442 error_report("fsdev support is disabled");
3443 exit(1);
3444 }
3445 opts = qemu_opts_parse_noisily(olist, optarg, true);
3446 if (!opts) {
3447 exit(1);
3448 }
3449 break;
3450 case QEMU_OPTION_virtfs: {
3451 QemuOpts *fsdev;
3452 QemuOpts *device;
3453 const char *writeout, *sock_fd, *socket, *path, *security_model;
3454
3455 olist = qemu_find_opts("virtfs");
3456 if (!olist) {
3457 error_report("virtfs support is disabled");
3458 exit(1);
3459 }
3460 opts = qemu_opts_parse_noisily(olist, optarg, true);
3461 if (!opts) {
3462 exit(1);
3463 }
3464
3465 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3466 qemu_opt_get(opts, "mount_tag") == NULL) {
3467 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3468 exit(1);
3469 }
3470 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3471 qemu_opts_id(opts) ?:
3472 qemu_opt_get(opts, "mount_tag"),
3473 1, NULL);
3474 if (!fsdev) {
3475 error_report("duplicate or invalid fsdev id: %s",
3476 qemu_opt_get(opts, "mount_tag"));
3477 exit(1);
3478 }
3479
3480 writeout = qemu_opt_get(opts, "writeout");
3481 if (writeout) {
3482 #ifdef CONFIG_SYNC_FILE_RANGE
3483 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3484 #else
3485 error_report("writeout=immediate not supported "
3486 "on this platform");
3487 exit(1);
3488 #endif
3489 }
3490 qemu_opt_set(fsdev, "fsdriver",
3491 qemu_opt_get(opts, "fsdriver"), &error_abort);
3492 path = qemu_opt_get(opts, "path");
3493 if (path) {
3494 qemu_opt_set(fsdev, "path", path, &error_abort);
3495 }
3496 security_model = qemu_opt_get(opts, "security_model");
3497 if (security_model) {
3498 qemu_opt_set(fsdev, "security_model", security_model,
3499 &error_abort);
3500 }
3501 socket = qemu_opt_get(opts, "socket");
3502 if (socket) {
3503 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3504 }
3505 sock_fd = qemu_opt_get(opts, "sock_fd");
3506 if (sock_fd) {
3507 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3508 }
3509
3510 qemu_opt_set_bool(fsdev, "readonly",
3511 qemu_opt_get_bool(opts, "readonly", 0),
3512 &error_abort);
3513 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3514 &error_abort);
3515 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3516 qemu_opt_set(device, "fsdev",
3517 qemu_opts_id(fsdev), &error_abort);
3518 qemu_opt_set(device, "mount_tag",
3519 qemu_opt_get(opts, "mount_tag"), &error_abort);
3520 break;
3521 }
3522 case QEMU_OPTION_virtfs_synth: {
3523 QemuOpts *fsdev;
3524 QemuOpts *device;
3525
3526 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3527 1, NULL);
3528 if (!fsdev) {
3529 error_report("duplicate option: %s", "virtfs_synth");
3530 exit(1);
3531 }
3532 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3533
3534 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3535 &error_abort);
3536 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3537 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3538 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3539 break;
3540 }
3541 case QEMU_OPTION_serial:
3542 add_device_config(DEV_SERIAL, optarg);
3543 default_serial = 0;
3544 if (strncmp(optarg, "mon:", 4) == 0) {
3545 default_monitor = 0;
3546 }
3547 break;
3548 case QEMU_OPTION_watchdog:
3549 if (watchdog) {
3550 error_report("only one watchdog option may be given");
3551 return 1;
3552 }
3553 watchdog = optarg;
3554 break;
3555 case QEMU_OPTION_watchdog_action:
3556 if (select_watchdog_action(optarg) == -1) {
3557 error_report("unknown -watchdog-action parameter");
3558 exit(1);
3559 }
3560 break;
3561 case QEMU_OPTION_virtiocon:
3562 warn_report("This option is deprecated, "
3563 "use '-device virtconsole' instead");
3564 add_device_config(DEV_VIRTCON, optarg);
3565 default_virtcon = 0;
3566 if (strncmp(optarg, "mon:", 4) == 0) {
3567 default_monitor = 0;
3568 }
3569 break;
3570 case QEMU_OPTION_parallel:
3571 add_device_config(DEV_PARALLEL, optarg);
3572 default_parallel = 0;
3573 if (strncmp(optarg, "mon:", 4) == 0) {
3574 default_monitor = 0;
3575 }
3576 break;
3577 case QEMU_OPTION_debugcon:
3578 add_device_config(DEV_DEBUGCON, optarg);
3579 break;
3580 case QEMU_OPTION_loadvm:
3581 loadvm = optarg;
3582 break;
3583 case QEMU_OPTION_full_screen:
3584 dpy.has_full_screen = true;
3585 dpy.full_screen = true;
3586 break;
3587 case QEMU_OPTION_alt_grab:
3588 alt_grab = 1;
3589 break;
3590 case QEMU_OPTION_ctrl_grab:
3591 ctrl_grab = 1;
3592 break;
3593 case QEMU_OPTION_no_quit:
3594 dpy.has_window_close = true;
3595 dpy.window_close = false;
3596 break;
3597 case QEMU_OPTION_sdl:
3598 #ifdef CONFIG_SDL
3599 dpy.type = DISPLAY_TYPE_SDL;
3600 break;
3601 #else
3602 error_report("SDL support is disabled");
3603 exit(1);
3604 #endif
3605 case QEMU_OPTION_pidfile:
3606 pid_file = optarg;
3607 break;
3608 case QEMU_OPTION_win2k_hack:
3609 win2k_install_hack = 1;
3610 break;
3611 case QEMU_OPTION_acpitable:
3612 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3613 optarg, true);
3614 if (!opts) {
3615 exit(1);
3616 }
3617 acpi_table_add(opts, &error_fatal);
3618 break;
3619 case QEMU_OPTION_smbios:
3620 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3621 optarg, false);
3622 if (!opts) {
3623 exit(1);
3624 }
3625 smbios_entry_add(opts, &error_fatal);
3626 break;
3627 case QEMU_OPTION_fwcfg:
3628 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3629 optarg, true);
3630 if (opts == NULL) {
3631 exit(1);
3632 }
3633 break;
3634 case QEMU_OPTION_preconfig:
3635 preconfig_exit_requested = false;
3636 break;
3637 case QEMU_OPTION_enable_kvm:
3638 olist = qemu_find_opts("machine");
3639 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3640 break;
3641 case QEMU_OPTION_enable_hax:
3642 warn_report("Option is deprecated, use '-accel hax' instead");
3643 olist = qemu_find_opts("machine");
3644 qemu_opts_parse_noisily(olist, "accel=hax", false);
3645 break;
3646 case QEMU_OPTION_M:
3647 case QEMU_OPTION_machine:
3648 olist = qemu_find_opts("machine");
3649 opts = qemu_opts_parse_noisily(olist, optarg, true);
3650 if (!opts) {
3651 exit(1);
3652 }
3653 break;
3654 case QEMU_OPTION_no_kvm:
3655 olist = qemu_find_opts("machine");
3656 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3657 break;
3658 case QEMU_OPTION_accel:
3659 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3660 optarg, true);
3661 optarg = qemu_opt_get(accel_opts, "accel");
3662 if (!optarg || is_help_option(optarg)) {
3663 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3664 exit(0);
3665 }
3666 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3667 false, &error_abort);
3668 qemu_opt_set(opts, "accel", optarg, &error_abort);
3669 break;
3670 case QEMU_OPTION_usb:
3671 olist = qemu_find_opts("machine");
3672 qemu_opts_parse_noisily(olist, "usb=on", false);
3673 break;
3674 case QEMU_OPTION_usbdevice:
3675 error_report("'-usbdevice' is deprecated, please use "
3676 "'-device usb-...' instead");
3677 olist = qemu_find_opts("machine");
3678 qemu_opts_parse_noisily(olist, "usb=on", false);
3679 add_device_config(DEV_USB, optarg);
3680 break;
3681 case QEMU_OPTION_device:
3682 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3683 optarg, true)) {
3684 exit(1);
3685 }
3686 break;
3687 case QEMU_OPTION_smp:
3688 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3689 optarg, true)) {
3690 exit(1);
3691 }
3692 break;
3693 case QEMU_OPTION_vnc:
3694 vnc_parse(optarg, &error_fatal);
3695 break;
3696 case QEMU_OPTION_no_acpi:
3697 acpi_enabled = 0;
3698 break;
3699 case QEMU_OPTION_no_hpet:
3700 no_hpet = 1;
3701 break;
3702 case QEMU_OPTION_no_reboot:
3703 no_reboot = 1;
3704 break;
3705 case QEMU_OPTION_no_shutdown:
3706 no_shutdown = 1;
3707 break;
3708 case QEMU_OPTION_show_cursor:
3709 cursor_hide = 0;
3710 break;
3711 case QEMU_OPTION_uuid:
3712 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3713 error_report("failed to parse UUID string: wrong format");
3714 exit(1);
3715 }
3716 qemu_uuid_set = true;
3717 break;
3718 case QEMU_OPTION_option_rom:
3719 if (nb_option_roms >= MAX_OPTION_ROMS) {
3720 error_report("too many option ROMs");
3721 exit(1);
3722 }
3723 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3724 optarg, true);
3725 if (!opts) {
3726 exit(1);
3727 }
3728 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3729 option_rom[nb_option_roms].bootindex =
3730 qemu_opt_get_number(opts, "bootindex", -1);
3731 if (!option_rom[nb_option_roms].name) {
3732 error_report("Option ROM file is not specified");
3733 exit(1);
3734 }
3735 nb_option_roms++;
3736 break;
3737 case QEMU_OPTION_semihosting:
3738 semihosting.enabled = true;
3739 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3740 break;
3741 case QEMU_OPTION_semihosting_config:
3742 semihosting.enabled = true;
3743 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3744 optarg, false);
3745 if (opts != NULL) {
3746 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3747 true);
3748 const char *target = qemu_opt_get(opts, "target");
3749 if (target != NULL) {
3750 if (strcmp("native", target) == 0) {
3751 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3752 } else if (strcmp("gdb", target) == 0) {
3753 semihosting.target = SEMIHOSTING_TARGET_GDB;
3754 } else if (strcmp("auto", target) == 0) {
3755 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3756 } else {
3757 error_report("unsupported semihosting-config %s",
3758 optarg);
3759 exit(1);
3760 }
3761 } else {
3762 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3763 }
3764 /* Set semihosting argument count and vector */
3765 qemu_opt_foreach(opts, add_semihosting_arg,
3766 &semihosting, NULL);
3767 } else {
3768 error_report("unsupported semihosting-config %s", optarg);
3769 exit(1);
3770 }
3771 break;
3772 case QEMU_OPTION_name:
3773 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3774 optarg, true);
3775 if (!opts) {
3776 exit(1);
3777 }
3778 break;
3779 case QEMU_OPTION_prom_env:
3780 if (nb_prom_envs >= MAX_PROM_ENVS) {
3781 error_report("too many prom variables");
3782 exit(1);
3783 }
3784 prom_envs[nb_prom_envs] = optarg;
3785 nb_prom_envs++;
3786 break;
3787 case QEMU_OPTION_old_param:
3788 old_param = 1;
3789 break;
3790 case QEMU_OPTION_clock:
3791 /* Clock options no longer exist. Keep this option for
3792 * backward compatibility.
3793 */
3794 warn_report("This option is ignored and will be removed soon");
3795 break;
3796 case QEMU_OPTION_rtc:
3797 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3798 false);
3799 if (!opts) {
3800 exit(1);
3801 }
3802 break;
3803 case QEMU_OPTION_tb_size:
3804 #ifndef CONFIG_TCG
3805 error_report("TCG is disabled");
3806 exit(1);
3807 #endif
3808 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3809 error_report("Invalid argument to -tb-size");
3810 exit(1);
3811 }
3812 break;
3813 case QEMU_OPTION_icount:
3814 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3815 optarg, true);
3816 if (!icount_opts) {
3817 exit(1);
3818 }
3819 break;
3820 case QEMU_OPTION_incoming:
3821 if (!incoming) {
3822 runstate_set(RUN_STATE_INMIGRATE);
3823 }
3824 incoming = optarg;
3825 break;
3826 case QEMU_OPTION_only_migratable:
3827 /*
3828 * TODO: we can remove this option one day, and we
3829 * should all use:
3830 *
3831 * "-global migration.only-migratable=true"
3832 */
3833 qemu_global_option("migration.only-migratable=true");
3834 break;
3835 case QEMU_OPTION_nodefaults:
3836 has_defaults = 0;
3837 break;
3838 case QEMU_OPTION_xen_domid:
3839 if (!(xen_available())) {
3840 error_report("Option not supported for this target");
3841 exit(1);
3842 }
3843 xen_domid = atoi(optarg);
3844 break;
3845 case QEMU_OPTION_xen_attach:
3846 if (!(xen_available())) {
3847 error_report("Option not supported for this target");
3848 exit(1);
3849 }
3850 xen_mode = XEN_ATTACH;
3851 break;
3852 case QEMU_OPTION_xen_domid_restrict:
3853 if (!(xen_available())) {
3854 error_report("Option not supported for this target");
3855 exit(1);
3856 }
3857 xen_domid_restrict = true;
3858 break;
3859 case QEMU_OPTION_trace:
3860 g_free(trace_file);
3861 trace_file = trace_opt_parse(optarg);
3862 break;
3863 case QEMU_OPTION_readconfig:
3864 {
3865 int ret = qemu_read_config_file(optarg);
3866 if (ret < 0) {
3867 error_report("read config %s: %s", optarg,
3868 strerror(-ret));
3869 exit(1);
3870 }
3871 break;
3872 }
3873 case QEMU_OPTION_spice:
3874 olist = qemu_find_opts("spice");
3875 if (!olist) {
3876 error_report("spice support is disabled");
3877 exit(1);
3878 }
3879 opts = qemu_opts_parse_noisily(olist, optarg, false);
3880 if (!opts) {
3881 exit(1);
3882 }
3883 display_remote++;
3884 break;
3885 case QEMU_OPTION_writeconfig:
3886 {
3887 FILE *fp;
3888 if (strcmp(optarg, "-") == 0) {
3889 fp = stdout;
3890 } else {
3891 fp = fopen(optarg, "w");
3892 if (fp == NULL) {
3893 error_report("open %s: %s", optarg,
3894 strerror(errno));
3895 exit(1);
3896 }
3897 }
3898 qemu_config_write(fp);
3899 if (fp != stdout) {
3900 fclose(fp);
3901 }
3902 break;
3903 }
3904 case QEMU_OPTION_qtest:
3905 qtest_chrdev = optarg;
3906 break;
3907 case QEMU_OPTION_qtest_log:
3908 qtest_log = optarg;
3909 break;
3910 case QEMU_OPTION_sandbox:
3911 #ifdef CONFIG_SECCOMP
3912 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3913 optarg, true);
3914 if (!opts) {
3915 exit(1);
3916 }
3917 #else
3918 error_report("-sandbox support is not enabled "
3919 "in this QEMU binary");
3920 exit(1);
3921 #endif
3922 break;
3923 case QEMU_OPTION_add_fd:
3924 #ifndef _WIN32
3925 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3926 optarg, false);
3927 if (!opts) {
3928 exit(1);
3929 }
3930 #else
3931 error_report("File descriptor passing is disabled on this "
3932 "platform");
3933 exit(1);
3934 #endif
3935 break;
3936 case QEMU_OPTION_object:
3937 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3938 optarg, true);
3939 if (!opts) {
3940 exit(1);
3941 }
3942 break;
3943 case QEMU_OPTION_realtime:
3944 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3945 optarg, false);
3946 if (!opts) {
3947 exit(1);
3948 }
3949 /* Don't override the -overcommit option if set */
3950 enable_mlock = enable_mlock ||
3951 qemu_opt_get_bool(opts, "mlock", true);
3952 break;
3953 case QEMU_OPTION_overcommit:
3954 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3955 optarg, false);
3956 if (!opts) {
3957 exit(1);
3958 }
3959 /* Don't override the -realtime option if set */
3960 enable_mlock = enable_mlock ||
3961 qemu_opt_get_bool(opts, "mem-lock", false);
3962 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3963 break;
3964 case QEMU_OPTION_msg:
3965 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3966 false);
3967 if (!opts) {
3968 exit(1);
3969 }
3970 configure_msg(opts);
3971 break;
3972 case QEMU_OPTION_dump_vmstate:
3973 if (vmstate_dump_file) {
3974 error_report("only one '-dump-vmstate' "
3975 "option may be given");
3976 exit(1);
3977 }
3978 vmstate_dump_file = fopen(optarg, "w");
3979 if (vmstate_dump_file == NULL) {
3980 error_report("open %s: %s", optarg, strerror(errno));
3981 exit(1);
3982 }
3983 break;
3984 case QEMU_OPTION_enable_sync_profile:
3985 qsp_enable();
3986 break;
3987 case QEMU_OPTION_nouserconfig:
3988 /* Nothing to be parsed here. Especially, do not error out below. */
3989 break;
3990 default:
3991 if (os_parse_cmd_args(popt->index, optarg)) {
3992 error_report("Option not supported in this build");
3993 exit(1);
3994 }
3995 }
3996 }
3997 }
3998 /*
3999 * Clear error location left behind by the loop.
4000 * Best done right after the loop. Do not insert code here!
4001 */
4002 loc_set_none();
4003
4004 replay_configure(icount_opts);
4005
4006 if (incoming && !preconfig_exit_requested) {
4007 error_report("'preconfig' and 'incoming' options are "
4008 "mutually exclusive");
4009 exit(EXIT_FAILURE);
4010 }
4011
4012 configure_rtc(qemu_find_opts_singleton("rtc"));
4013
4014 machine_class = select_machine();
4015
4016 set_memory_options(&ram_slots, &maxram_size, machine_class);
4017
4018 os_daemonize();
4019 rcu_disable_atfork();
4020
4021 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4022 error_reportf_err(err, "cannot create PID file: ");
4023 exit(1);
4024 }
4025
4026 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4027 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4028
4029 if (qemu_init_main_loop(&main_loop_err)) {
4030 error_report_err(main_loop_err);
4031 exit(1);
4032 }
4033
4034 #ifdef CONFIG_SECCOMP
4035 olist = qemu_find_opts_err("sandbox", NULL);
4036 if (olist) {
4037 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4038 }
4039 #endif
4040
4041 qemu_opts_foreach(qemu_find_opts("name"),
4042 parse_name, NULL, &error_fatal);
4043
4044 #ifndef _WIN32
4045 qemu_opts_foreach(qemu_find_opts("add-fd"),
4046 parse_add_fd, NULL, &error_fatal);
4047
4048 qemu_opts_foreach(qemu_find_opts("add-fd"),
4049 cleanup_add_fd, NULL, &error_fatal);
4050 #endif
4051
4052 current_machine = MACHINE(object_new(object_class_get_name(
4053 OBJECT_CLASS(machine_class))));
4054 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4055 exit(0);
4056 }
4057 object_property_add_child(object_get_root(), "machine",
4058 OBJECT(current_machine), &error_abort);
4059
4060 if (machine_class->minimum_page_bits) {
4061 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4062 /* This would be a board error: specifying a minimum smaller than
4063 * a target's compile-time fixed setting.
4064 */
4065 g_assert_not_reached();
4066 }
4067 }
4068
4069 cpu_exec_init_all();
4070
4071 if (machine_class->hw_version) {
4072 qemu_set_hw_version(machine_class->hw_version);
4073 }
4074
4075 if (cpu_model && is_help_option(cpu_model)) {
4076 list_cpus(stdout, &fprintf, cpu_model);
4077 exit(0);
4078 }
4079
4080 if (!trace_init_backends()) {
4081 exit(1);
4082 }
4083 trace_init_file(trace_file);
4084
4085 /* Open the logfile at this point and set the log mask if necessary.
4086 */
4087 if (log_file) {
4088 qemu_set_log_filename(log_file, &error_fatal);
4089 }
4090
4091 if (log_mask) {
4092 int mask;
4093 mask = qemu_str_to_log_mask(log_mask);
4094 if (!mask) {
4095 qemu_print_log_usage(stdout);
4096 exit(1);
4097 }
4098 qemu_set_log(mask);
4099 } else {
4100 qemu_set_log(0);
4101 }
4102
4103 /* add configured firmware directories */
4104 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4105 for (i = 0; dirs[i] != NULL; i++) {
4106 qemu_add_data_dir(dirs[i]);
4107 }
4108 g_strfreev(dirs);
4109
4110 /* try to find datadir relative to the executable path */
4111 dir = os_find_datadir();
4112 qemu_add_data_dir(dir);
4113 g_free(dir);
4114
4115 /* add the datadir specified when building */
4116 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4117
4118 /* -L help lists the data directories and exits. */
4119 if (list_data_dirs) {
4120 for (i = 0; i < data_dir_idx; i++) {
4121 printf("%s\n", data_dir[i]);
4122 }
4123 exit(0);
4124 }
4125
4126 /* machine_class: default to UP */
4127 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4128 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4129 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4130
4131 /* default to machine_class->default_cpus */
4132 smp_cpus = machine_class->default_cpus;
4133 max_cpus = machine_class->default_cpus;
4134
4135 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4136
4137 /* sanity-check smp_cpus and max_cpus against machine_class */
4138 if (smp_cpus < machine_class->min_cpus) {
4139 error_report("Invalid SMP CPUs %d. The min CPUs "
4140 "supported by machine '%s' is %d", smp_cpus,
4141 machine_class->name, machine_class->min_cpus);
4142 exit(1);
4143 }
4144 if (max_cpus > machine_class->max_cpus) {
4145 error_report("Invalid SMP CPUs %d. The max CPUs "
4146 "supported by machine '%s' is %d", max_cpus,
4147 machine_class->name, machine_class->max_cpus);
4148 exit(1);
4149 }
4150
4151 /*
4152 * Get the default machine options from the machine if it is not already
4153 * specified either by the configuration file or by the command line.
4154 */
4155 if (machine_class->default_machine_opts) {
4156 qemu_opts_set_defaults(qemu_find_opts("machine"),
4157 machine_class->default_machine_opts, 0);
4158 }
4159
4160 qemu_opts_foreach(qemu_find_opts("device"),
4161 default_driver_check, NULL, NULL);
4162 qemu_opts_foreach(qemu_find_opts("global"),
4163 default_driver_check, NULL, NULL);
4164
4165 if (!vga_model && !default_vga) {
4166 vga_interface_type = VGA_DEVICE;
4167 }
4168 if (!has_defaults || machine_class->no_serial) {
4169 default_serial = 0;
4170 }
4171 if (!has_defaults || machine_class->no_parallel) {
4172 default_parallel = 0;
4173 }
4174 if (!has_defaults || !machine_class->use_virtcon) {
4175 default_virtcon = 0;
4176 }
4177 if (!has_defaults || machine_class->no_floppy) {
4178 default_floppy = 0;
4179 }
4180 if (!has_defaults || machine_class->no_cdrom) {
4181 default_cdrom = 0;
4182 }
4183 if (!has_defaults || machine_class->no_sdcard) {
4184 default_sdcard = 0;
4185 }
4186 if (!has_defaults) {
4187 default_monitor = 0;
4188 default_net = 0;
4189 default_vga = 0;
4190 }
4191
4192 if (is_daemonized()) {
4193 if (!preconfig_exit_requested) {
4194 error_report("'preconfig' and 'daemonize' options are "
4195 "mutually exclusive");
4196 exit(EXIT_FAILURE);
4197 }
4198
4199 /* According to documentation and historically, -nographic redirects
4200 * serial port, parallel port and monitor to stdio, which does not work
4201 * with -daemonize. We can redirect these to null instead, but since
4202 * -nographic is legacy, let's just error out.
4203 * We disallow -nographic only if all other ports are not redirected
4204 * explicitly, to not break existing legacy setups which uses
4205 * -nographic _and_ redirects all ports explicitly - this is valid
4206 * usage, -nographic is just a no-op in this case.
4207 */
4208 if (nographic
4209 && (default_parallel || default_serial
4210 || default_monitor || default_virtcon)) {
4211 error_report("-nographic cannot be used with -daemonize");
4212 exit(1);
4213 }
4214 #ifdef CONFIG_CURSES
4215 if (dpy.type == DISPLAY_TYPE_CURSES) {
4216 error_report("curses display cannot be used with -daemonize");
4217 exit(1);
4218 }
4219 #endif
4220 }
4221
4222 if (nographic) {
4223 if (default_parallel)
4224 add_device_config(DEV_PARALLEL, "null");
4225 if (default_serial && default_monitor) {
4226 add_device_config(DEV_SERIAL, "mon:stdio");
4227 } else if (default_virtcon && default_monitor) {
4228 add_device_config(DEV_VIRTCON, "mon:stdio");
4229 } else {
4230 if (default_serial)
4231 add_device_config(DEV_SERIAL, "stdio");
4232 if (default_virtcon)
4233 add_device_config(DEV_VIRTCON, "stdio");
4234 if (default_monitor)
4235 monitor_parse("stdio", "readline", false);
4236 }
4237 } else {
4238 if (default_serial)
4239 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4240 if (default_parallel)
4241 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4242 if (default_monitor)
4243 monitor_parse("vc:80Cx24C", "readline", false);
4244 if (default_virtcon)
4245 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4246 }
4247
4248 #if defined(CONFIG_VNC)
4249 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4250 display_remote++;
4251 }
4252 #endif
4253 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4254 if (!qemu_display_find_default(&dpy)) {
4255 dpy.type = DISPLAY_TYPE_NONE;
4256 #if defined(CONFIG_VNC)
4257 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4258 #endif
4259 }
4260 }
4261 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4262 dpy.type = DISPLAY_TYPE_NONE;
4263 }
4264
4265 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4266 error_report("-alt-grab and -ctrl-grab are only valid "
4267 "for SDL, ignoring option");
4268 }
4269 if (dpy.has_window_close &&
4270 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4271 error_report("-no-quit is only valid for GTK and SDL, "
4272 "ignoring option");
4273 }
4274
4275 qemu_display_early_init(&dpy);
4276 qemu_console_early_init();
4277
4278 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4279 #if defined(CONFIG_OPENGL)
4280 error_report("OpenGL is not supported by the display");
4281 #else
4282 error_report("OpenGL support is disabled");
4283 #endif
4284 exit(1);
4285 }
4286
4287 page_size_init();
4288 socket_init();
4289
4290 qemu_opts_foreach(qemu_find_opts("object"),
4291 user_creatable_add_opts_foreach,
4292 object_create_initial, &error_fatal);
4293
4294 qemu_opts_foreach(qemu_find_opts("chardev"),
4295 chardev_init_func, NULL, &error_fatal);
4296
4297 #ifdef CONFIG_VIRTFS
4298 qemu_opts_foreach(qemu_find_opts("fsdev"),
4299 fsdev_init_func, NULL, &error_fatal);
4300 #endif
4301
4302 if (qemu_opts_foreach(qemu_find_opts("device"),
4303 device_help_func, NULL, NULL)) {
4304 exit(0);
4305 }
4306
4307 machine_opts = qemu_get_machine_opts();
4308 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4309 &error_fatal);
4310
4311 configure_accelerator(current_machine, argv[0]);
4312
4313 if (!qtest_enabled() && machine_class->deprecation_reason) {
4314 error_report("Machine type '%s' is deprecated: %s",
4315 machine_class->name, machine_class->deprecation_reason);
4316 }
4317
4318 /*
4319 * Register all the global properties, including accel properties,
4320 * machine properties, and user-specified ones.
4321 */
4322 register_global_properties(current_machine);
4323
4324 /*
4325 * Migration object can only be created after global properties
4326 * are applied correctly.
4327 */
4328 migration_object_init();
4329
4330 if (qtest_chrdev) {
4331 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4332 }
4333
4334 machine_opts = qemu_get_machine_opts();
4335 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4336 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4337 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4338 bios_name = qemu_opt_get(machine_opts, "firmware");
4339
4340 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4341 if (opts) {
4342 boot_order = qemu_opt_get(opts, "order");
4343 if (boot_order) {
4344 validate_bootdevices(boot_order, &error_fatal);
4345 }
4346
4347 boot_once = qemu_opt_get(opts, "once");
4348 if (boot_once) {
4349 validate_bootdevices(boot_once, &error_fatal);
4350 }
4351
4352 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4353 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4354 }
4355
4356 if (!boot_order) {
4357 boot_order = machine_class->default_boot_order;
4358 }
4359
4360 if (!kernel_cmdline) {
4361 kernel_cmdline = "";
4362 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4363 }
4364
4365 linux_boot = (kernel_filename != NULL);
4366
4367 if (!linux_boot && *kernel_cmdline != '\0') {
4368 error_report("-append only allowed with -kernel option");
4369 exit(1);
4370 }
4371
4372 if (!linux_boot && initrd_filename != NULL) {
4373 error_report("-initrd only allowed with -kernel option");
4374 exit(1);
4375 }
4376
4377 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4378 /* fall back to the -kernel/-append */
4379 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4380 }
4381
4382 os_set_line_buffering();
4383
4384 /* spice needs the timers to be initialized by this point */
4385 qemu_spice_init();
4386
4387 cpu_ticks_init();
4388 if (icount_opts) {
4389 if (!tcg_enabled()) {
4390 error_report("-icount is not allowed with hardware virtualization");
4391 exit(1);
4392 }
4393 configure_icount(icount_opts, &error_abort);
4394 qemu_opts_del(icount_opts);
4395 }
4396
4397 if (tcg_enabled()) {
4398 qemu_tcg_configure(accel_opts, &error_fatal);
4399 }
4400
4401 if (default_net) {
4402 QemuOptsList *net = qemu_find_opts("net");
4403 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4404 #ifdef CONFIG_SLIRP
4405 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4406 #endif
4407 }
4408
4409 if (net_init_clients(&err) < 0) {
4410 error_report_err(err);
4411 exit(1);
4412 }
4413
4414 qemu_opts_foreach(qemu_find_opts("object"),
4415 user_creatable_add_opts_foreach,
4416 object_create_delayed, &error_fatal);
4417
4418 tpm_init();
4419
4420 /* init the bluetooth world */
4421 if (foreach_device_config(DEV_BT, bt_parse))
4422 exit(1);
4423
4424 if (!xen_enabled()) {
4425 /* On 32-bit hosts, QEMU is limited by virtual address space */
4426 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4427 error_report("at most 2047 MB RAM can be simulated");
4428 exit(1);
4429 }
4430 }
4431
4432 blk_mig_init();
4433 ram_mig_init();
4434 dirty_bitmap_mig_init();
4435
4436 /* If the currently selected machine wishes to override the units-per-bus
4437 * property of its default HBA interface type, do so now. */
4438 if (machine_class->units_per_default_bus) {
4439 override_max_devs(machine_class->block_default_type,
4440 machine_class->units_per_default_bus);
4441 }
4442
4443 /* open the virtual block devices */
4444 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4445 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4446
4447 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4448 loc_push_restore(&bdo->loc);
4449 qmp_blockdev_add(bdo->bdo, &error_fatal);
4450 loc_pop(&bdo->loc);
4451 qapi_free_BlockdevOptions(bdo->bdo);
4452 g_free(bdo);
4453 }
4454 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4455 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4456 NULL, NULL);
4457 }
4458 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4459 &machine_class->block_default_type, &error_fatal)) {
4460 /* We printed help */
4461 exit(0);
4462 }
4463
4464 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4465 CDROM_OPTS);
4466 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4467 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4468
4469 qemu_opts_foreach(qemu_find_opts("mon"),
4470 mon_init_func, NULL, &error_fatal);
4471
4472 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4473 exit(1);
4474 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4475 exit(1);
4476 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4477 exit(1);
4478 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4479 exit(1);
4480
4481 /* If no default VGA is requested, the default is "none". */
4482 if (default_vga) {
4483 if (machine_class->default_display) {
4484 vga_model = machine_class->default_display;
4485 } else if (vga_interface_available(VGA_CIRRUS)) {
4486 vga_model = "cirrus";
4487 } else if (vga_interface_available(VGA_STD)) {
4488 vga_model = "std";
4489 }
4490 }
4491 if (vga_model) {
4492 select_vgahw(vga_model);
4493 }
4494
4495 if (watchdog) {
4496 i = select_watchdog(watchdog);
4497 if (i > 0)
4498 exit (i == 1 ? 1 : 0);
4499 }
4500
4501 /* This checkpoint is required by replay to separate prior clock
4502 reading from the other reads, because timer polling functions query
4503 clock values from the log. */
4504 replay_checkpoint(CHECKPOINT_INIT);
4505 qdev_machine_init();
4506
4507 current_machine->ram_size = ram_size;
4508 current_machine->maxram_size = maxram_size;
4509 current_machine->ram_slots = ram_slots;
4510 current_machine->boot_order = boot_order;
4511
4512 /* parse features once if machine provides default cpu_type */
4513 current_machine->cpu_type = machine_class->default_cpu_type;
4514 if (cpu_model) {
4515 current_machine->cpu_type = parse_cpu_model(cpu_model);
4516 }
4517 parse_numa_opts(current_machine);
4518
4519 /* do monitor/qmp handling at preconfig state if requested */
4520 main_loop();
4521
4522 /* from here on runstate is RUN_STATE_PRELAUNCH */
4523 machine_run_board_init(current_machine);
4524
4525 realtime_init();
4526
4527 soundhw_init();
4528
4529 if (hax_enabled()) {
4530 hax_sync_vcpus();
4531 }
4532
4533 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4534 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4535
4536 /* init USB devices */
4537 if (machine_usb(current_machine)) {
4538 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4539 exit(1);
4540 }
4541
4542 /* Check if IGD GFX passthrough. */
4543 igd_gfx_passthru();
4544
4545 /* init generic devices */
4546 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4547 qemu_opts_foreach(qemu_find_opts("device"),
4548 device_init_func, NULL, &error_fatal);
4549
4550 cpu_synchronize_all_post_init();
4551
4552 rom_reset_order_override();
4553
4554 /* Did we create any drives that we failed to create a device for? */
4555 drive_check_orphaned();
4556
4557 /* Don't warn about the default network setup that you get if
4558 * no command line -net or -netdev options are specified. There
4559 * are two cases that we would otherwise complain about:
4560 * (1) board doesn't support a NIC but the implicit "-net nic"
4561 * requested one
4562 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4563 * sets up a nic that isn't connected to anything.
4564 */
4565 if (!default_net && (!qtest_enabled() || has_defaults)) {
4566 net_check_clients();
4567 }
4568
4569 if (boot_once) {
4570 qemu_boot_set(boot_once, &error_fatal);
4571 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4572 }
4573
4574 /* init local displays */
4575 ds = init_displaystate();
4576 qemu_display_init(ds, &dpy);
4577
4578 /* must be after terminal init, SDL library changes signal handlers */
4579 os_setup_signal_handling();
4580
4581 /* init remote displays */
4582 #ifdef CONFIG_VNC
4583 qemu_opts_foreach(qemu_find_opts("vnc"),
4584 vnc_init_func, NULL, &error_fatal);
4585 #endif
4586
4587 if (using_spice) {
4588 qemu_spice_display_init();
4589 }
4590
4591 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4592 exit(1);
4593 }
4594
4595 qdev_machine_creation_done();
4596
4597 /* TODO: once all bus devices are qdevified, this should be done
4598 * when bus is created by qdev.c */
4599 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4600 qemu_run_machine_init_done_notifiers();
4601
4602 if (rom_check_and_register_reset() != 0) {
4603 error_report("rom check and register reset failed");
4604 exit(1);
4605 }
4606
4607 replay_start();
4608
4609 /* This checkpoint is required by replay to separate prior clock
4610 reading from the other reads, because timer polling functions query
4611 clock values from the log. */
4612 replay_checkpoint(CHECKPOINT_RESET);
4613 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4614 register_global_state();
4615 if (loadvm) {
4616 Error *local_err = NULL;
4617 if (load_snapshot(loadvm, &local_err) < 0) {
4618 error_report_err(local_err);
4619 autostart = 0;
4620 exit(1);
4621 }
4622 }
4623 if (replay_mode != REPLAY_MODE_NONE) {
4624 replay_vmstate_init();
4625 }
4626
4627 qdev_prop_check_globals();
4628 if (vmstate_dump_file) {
4629 /* dump and exit */
4630 dump_vmstate_json_to_file(vmstate_dump_file);
4631 return 0;
4632 }
4633
4634 if (incoming) {
4635 Error *local_err = NULL;
4636 qemu_start_incoming_migration(incoming, &local_err);
4637 if (local_err) {
4638 error_reportf_err(local_err, "-incoming %s: ", incoming);
4639 exit(1);
4640 }
4641 } else if (autostart) {
4642 vm_start();
4643 }
4644
4645 accel_setup_post(current_machine);
4646 os_setup_post();
4647
4648 main_loop();
4649
4650 gdbserver_cleanup();
4651
4652 /* No more vcpu or device emulation activity beyond this point */
4653 vm_shutdown();
4654
4655 job_cancel_sync_all();
4656 bdrv_close_all();
4657
4658 res_free();
4659
4660 /* vhost-user must be cleaned up before chardevs. */
4661 tpm_cleanup();
4662 net_cleanup();
4663 audio_cleanup();
4664 monitor_cleanup();
4665 qemu_chr_cleanup();
4666 user_creatable_cleanup();
4667 migration_object_finalize();
4668 /* TODO: unref root container, check all devices are ok */
4669
4670 return 0;
4671 }
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