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qmp hmp: Make system_wakeup check wake-up support and run state
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/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 int no_frame;
164 static int num_serial_hds;
165 static Chardev **serial_hds;
166 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
167 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
168 int win2k_install_hack = 0;
169 int singlestep = 0;
170 int smp_cpus;
171 unsigned int max_cpus;
172 int smp_cores = 1;
173 int smp_threads = 1;
174 int acpi_enabled = 1;
175 int no_hpet = 0;
176 int fd_bootchk = 1;
177 static int no_reboot;
178 int no_shutdown = 0;
179 int cursor_hide = 1;
180 int graphic_rotate = 0;
181 const char *watchdog;
182 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
183 int nb_option_roms;
184 int old_param = 0;
185 const char *qemu_name;
186 int alt_grab = 0;
187 int ctrl_grab = 0;
188 unsigned int nb_prom_envs = 0;
189 const char *prom_envs[MAX_PROM_ENVS];
190 int boot_menu;
191 bool boot_strict;
192 uint8_t *boot_splash_filedata;
193 size_t boot_splash_filedata_size;
194 uint8_t qemu_extra_params_fw[2];
195 bool wakeup_suspend_enabled;
196
197 int icount_align_option;
198
199 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
200 * little-endian "wire format" described in the SMBIOS 2.6 specification.
201 */
202 QemuUUID qemu_uuid;
203 bool qemu_uuid_set;
204
205 static NotifierList exit_notifiers =
206 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
207
208 static NotifierList machine_init_done_notifiers =
209 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
210
211 bool xen_allowed;
212 uint32_t xen_domid;
213 enum xen_mode xen_mode = XEN_EMULATE;
214 bool xen_domid_restrict;
215
216 static int has_defaults = 1;
217 static int default_serial = 1;
218 static int default_parallel = 1;
219 static int default_virtcon = 1;
220 static int default_monitor = 1;
221 static int default_floppy = 1;
222 static int default_cdrom = 1;
223 static int default_sdcard = 1;
224 static int default_vga = 1;
225 static int default_net = 1;
226
227 static struct {
228 const char *driver;
229 int *flag;
230 } default_list[] = {
231 { .driver = "isa-serial", .flag = &default_serial },
232 { .driver = "isa-parallel", .flag = &default_parallel },
233 { .driver = "isa-fdc", .flag = &default_floppy },
234 { .driver = "floppy", .flag = &default_floppy },
235 { .driver = "ide-cd", .flag = &default_cdrom },
236 { .driver = "ide-hd", .flag = &default_cdrom },
237 { .driver = "ide-drive", .flag = &default_cdrom },
238 { .driver = "scsi-cd", .flag = &default_cdrom },
239 { .driver = "scsi-hd", .flag = &default_cdrom },
240 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
241 { .driver = "virtio-serial", .flag = &default_virtcon },
242 { .driver = "VGA", .flag = &default_vga },
243 { .driver = "isa-vga", .flag = &default_vga },
244 { .driver = "cirrus-vga", .flag = &default_vga },
245 { .driver = "isa-cirrus-vga", .flag = &default_vga },
246 { .driver = "vmware-svga", .flag = &default_vga },
247 { .driver = "qxl-vga", .flag = &default_vga },
248 { .driver = "virtio-vga", .flag = &default_vga },
249 };
250
251 static QemuOptsList qemu_rtc_opts = {
252 .name = "rtc",
253 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
254 .merge_lists = true,
255 .desc = {
256 {
257 .name = "base",
258 .type = QEMU_OPT_STRING,
259 },{
260 .name = "clock",
261 .type = QEMU_OPT_STRING,
262 },{
263 .name = "driftfix",
264 .type = QEMU_OPT_STRING,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_option_rom_opts = {
271 .name = "option-rom",
272 .implied_opt_name = "romfile",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
274 .desc = {
275 {
276 .name = "bootindex",
277 .type = QEMU_OPT_NUMBER,
278 }, {
279 .name = "romfile",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_machine_opts = {
287 .name = "machine",
288 .implied_opt_name = "type",
289 .merge_lists = true,
290 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
291 .desc = {
292 /*
293 * no elements => accept any
294 * sanity checking will happen later
295 * when setting machine properties
296 */
297 { }
298 },
299 };
300
301 static QemuOptsList qemu_accel_opts = {
302 .name = "accel",
303 .implied_opt_name = "accel",
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
305 .merge_lists = true,
306 .desc = {
307 {
308 .name = "accel",
309 .type = QEMU_OPT_STRING,
310 .help = "Select the type of accelerator",
311 },
312 {
313 .name = "thread",
314 .type = QEMU_OPT_STRING,
315 .help = "Enable/disable multi-threaded TCG",
316 },
317 { /* end of list */ }
318 },
319 };
320
321 static QemuOptsList qemu_boot_opts = {
322 .name = "boot-opts",
323 .implied_opt_name = "order",
324 .merge_lists = true,
325 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
326 .desc = {
327 {
328 .name = "order",
329 .type = QEMU_OPT_STRING,
330 }, {
331 .name = "once",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "menu",
335 .type = QEMU_OPT_BOOL,
336 }, {
337 .name = "splash",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "splash-time",
341 .type = QEMU_OPT_STRING,
342 }, {
343 .name = "reboot-timeout",
344 .type = QEMU_OPT_STRING,
345 }, {
346 .name = "strict",
347 .type = QEMU_OPT_BOOL,
348 },
349 { /*End of list */ }
350 },
351 };
352
353 static QemuOptsList qemu_add_fd_opts = {
354 .name = "add-fd",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
356 .desc = {
357 {
358 .name = "fd",
359 .type = QEMU_OPT_NUMBER,
360 .help = "file descriptor of which a duplicate is added to fd set",
361 },{
362 .name = "set",
363 .type = QEMU_OPT_NUMBER,
364 .help = "ID of the fd set to add fd to",
365 },{
366 .name = "opaque",
367 .type = QEMU_OPT_STRING,
368 .help = "free-form string used to describe fd",
369 },
370 { /* end of list */ }
371 },
372 };
373
374 static QemuOptsList qemu_object_opts = {
375 .name = "object",
376 .implied_opt_name = "qom-type",
377 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
378 .desc = {
379 { }
380 },
381 };
382
383 static QemuOptsList qemu_tpmdev_opts = {
384 .name = "tpmdev",
385 .implied_opt_name = "type",
386 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
387 .desc = {
388 /* options are defined in the TPM backends */
389 { /* end of list */ }
390 },
391 };
392
393 static QemuOptsList qemu_realtime_opts = {
394 .name = "realtime",
395 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
396 .desc = {
397 {
398 .name = "mlock",
399 .type = QEMU_OPT_BOOL,
400 },
401 { /* end of list */ }
402 },
403 };
404
405 static QemuOptsList qemu_overcommit_opts = {
406 .name = "overcommit",
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
408 .desc = {
409 {
410 .name = "mem-lock",
411 .type = QEMU_OPT_BOOL,
412 },
413 {
414 .name = "cpu-pm",
415 .type = QEMU_OPT_BOOL,
416 },
417 { /* end of list */ }
418 },
419 };
420
421 static QemuOptsList qemu_msg_opts = {
422 .name = "msg",
423 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
424 .desc = {
425 {
426 .name = "timestamp",
427 .type = QEMU_OPT_BOOL,
428 },
429 { /* end of list */ }
430 },
431 };
432
433 static QemuOptsList qemu_name_opts = {
434 .name = "name",
435 .implied_opt_name = "guest",
436 .merge_lists = true,
437 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
438 .desc = {
439 {
440 .name = "guest",
441 .type = QEMU_OPT_STRING,
442 .help = "Sets the name of the guest.\n"
443 "This name will be displayed in the SDL window caption.\n"
444 "The name will also be used for the VNC server",
445 }, {
446 .name = "process",
447 .type = QEMU_OPT_STRING,
448 .help = "Sets the name of the QEMU process, as shown in top etc",
449 }, {
450 .name = "debug-threads",
451 .type = QEMU_OPT_BOOL,
452 .help = "When enabled, name the individual threads; defaults off.\n"
453 "NOTE: The thread names are for debugging and not a\n"
454 "stable API.",
455 },
456 { /* End of list */ }
457 },
458 };
459
460 static QemuOptsList qemu_mem_opts = {
461 .name = "memory",
462 .implied_opt_name = "size",
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
464 .merge_lists = true,
465 .desc = {
466 {
467 .name = "size",
468 .type = QEMU_OPT_SIZE,
469 },
470 {
471 .name = "slots",
472 .type = QEMU_OPT_NUMBER,
473 },
474 {
475 .name = "maxmem",
476 .type = QEMU_OPT_SIZE,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_icount_opts = {
483 .name = "icount",
484 .implied_opt_name = "shift",
485 .merge_lists = true,
486 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
487 .desc = {
488 {
489 .name = "shift",
490 .type = QEMU_OPT_STRING,
491 }, {
492 .name = "align",
493 .type = QEMU_OPT_BOOL,
494 }, {
495 .name = "sleep",
496 .type = QEMU_OPT_BOOL,
497 }, {
498 .name = "rr",
499 .type = QEMU_OPT_STRING,
500 }, {
501 .name = "rrfile",
502 .type = QEMU_OPT_STRING,
503 }, {
504 .name = "rrsnapshot",
505 .type = QEMU_OPT_STRING,
506 },
507 { /* end of list */ }
508 },
509 };
510
511 static QemuOptsList qemu_semihosting_config_opts = {
512 .name = "semihosting-config",
513 .implied_opt_name = "enable",
514 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
515 .desc = {
516 {
517 .name = "enable",
518 .type = QEMU_OPT_BOOL,
519 }, {
520 .name = "target",
521 .type = QEMU_OPT_STRING,
522 }, {
523 .name = "arg",
524 .type = QEMU_OPT_STRING,
525 },
526 { /* end of list */ }
527 },
528 };
529
530 static QemuOptsList qemu_fw_cfg_opts = {
531 .name = "fw_cfg",
532 .implied_opt_name = "name",
533 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
534 .desc = {
535 {
536 .name = "name",
537 .type = QEMU_OPT_STRING,
538 .help = "Sets the fw_cfg name of the blob to be inserted",
539 }, {
540 .name = "file",
541 .type = QEMU_OPT_STRING,
542 .help = "Sets the name of the file from which "
543 "the fw_cfg blob will be loaded",
544 }, {
545 .name = "string",
546 .type = QEMU_OPT_STRING,
547 .help = "Sets content of the blob to be inserted from a string",
548 },
549 { /* end of list */ }
550 },
551 };
552
553 /**
554 * Get machine options
555 *
556 * Returns: machine options (never null).
557 */
558 QemuOpts *qemu_get_machine_opts(void)
559 {
560 return qemu_find_opts_singleton("machine");
561 }
562
563 const char *qemu_get_vm_name(void)
564 {
565 return qemu_name;
566 }
567
568 static void res_free(void)
569 {
570 g_free(boot_splash_filedata);
571 boot_splash_filedata = NULL;
572 }
573
574 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
575 {
576 const char *driver = qemu_opt_get(opts, "driver");
577 int i;
578
579 if (!driver)
580 return 0;
581 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
582 if (strcmp(default_list[i].driver, driver) != 0)
583 continue;
584 *(default_list[i].flag) = 0;
585 }
586 return 0;
587 }
588
589 /***********************************************************/
590 /* QEMU state */
591
592 static RunState current_run_state = RUN_STATE_PRECONFIG;
593
594 /* We use RUN_STATE__MAX but any invalid value will do */
595 static RunState vmstop_requested = RUN_STATE__MAX;
596 static QemuMutex vmstop_lock;
597
598 typedef struct {
599 RunState from;
600 RunState to;
601 } RunStateTransition;
602
603 static const RunStateTransition runstate_transitions_def[] = {
604 /* from -> to */
605 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
606 /* Early switch to inmigrate state to allow -incoming CLI option work
607 * as it used to. TODO: delay actual switching to inmigrate state to
608 * the point after machine is built and remove this hack.
609 */
610 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
611
612 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
613 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
615
616 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
617 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
618 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
619 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
620 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
621 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
623 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
624 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
626 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
627 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
628
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
630 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
632
633 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
634 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
636
637 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
638 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
640 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
641 { RUN_STATE_PAUSED, RUN_STATE_COLO},
642
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
644 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
645 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
646
647 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
648 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
650
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
654 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
655 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
656
657 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
658 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
659
660 { RUN_STATE_COLO, RUN_STATE_RUNNING },
661
662 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
663 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
664 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
665 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
666 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
668 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
669 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
670 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
671 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
672 { RUN_STATE_RUNNING, RUN_STATE_COLO},
673
674 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
675
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
677 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
678 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
679
680 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
681 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
682 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
683 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
684 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
685 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
686
687 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
688 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
689 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
690 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
691
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
693 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
694 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
695
696 { RUN_STATE__MAX, RUN_STATE__MAX },
697 };
698
699 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
700
701 bool runstate_check(RunState state)
702 {
703 return current_run_state == state;
704 }
705
706 bool runstate_store(char *str, size_t size)
707 {
708 const char *state = RunState_str(current_run_state);
709 size_t len = strlen(state) + 1;
710
711 if (len > size) {
712 return false;
713 }
714 memcpy(str, state, len);
715 return true;
716 }
717
718 static void runstate_init(void)
719 {
720 const RunStateTransition *p;
721
722 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
723 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
724 runstate_valid_transitions[p->from][p->to] = true;
725 }
726
727 qemu_mutex_init(&vmstop_lock);
728 }
729
730 /* This function will abort() on invalid state transitions */
731 void runstate_set(RunState new_state)
732 {
733 assert(new_state < RUN_STATE__MAX);
734
735 if (current_run_state == new_state) {
736 return;
737 }
738
739 if (!runstate_valid_transitions[current_run_state][new_state]) {
740 error_report("invalid runstate transition: '%s' -> '%s'",
741 RunState_str(current_run_state),
742 RunState_str(new_state));
743 abort();
744 }
745 trace_runstate_set(new_state);
746 current_run_state = new_state;
747 }
748
749 int runstate_is_running(void)
750 {
751 return runstate_check(RUN_STATE_RUNNING);
752 }
753
754 bool runstate_needs_reset(void)
755 {
756 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
757 runstate_check(RUN_STATE_SHUTDOWN);
758 }
759
760 StatusInfo *qmp_query_status(Error **errp)
761 {
762 StatusInfo *info = g_malloc0(sizeof(*info));
763
764 info->running = runstate_is_running();
765 info->singlestep = singlestep;
766 info->status = current_run_state;
767
768 return info;
769 }
770
771 bool qemu_vmstop_requested(RunState *r)
772 {
773 qemu_mutex_lock(&vmstop_lock);
774 *r = vmstop_requested;
775 vmstop_requested = RUN_STATE__MAX;
776 qemu_mutex_unlock(&vmstop_lock);
777 return *r < RUN_STATE__MAX;
778 }
779
780 void qemu_system_vmstop_request_prepare(void)
781 {
782 qemu_mutex_lock(&vmstop_lock);
783 }
784
785 void qemu_system_vmstop_request(RunState state)
786 {
787 vmstop_requested = state;
788 qemu_mutex_unlock(&vmstop_lock);
789 qemu_notify_event();
790 }
791
792 /***********************************************************/
793 /* RTC reference time/date access */
794 static time_t qemu_ref_timedate(QEMUClockType clock)
795 {
796 time_t value = qemu_clock_get_ms(clock) / 1000;
797 switch (clock) {
798 case QEMU_CLOCK_REALTIME:
799 value -= rtc_realtime_clock_offset;
800 /* no break */
801 case QEMU_CLOCK_VIRTUAL:
802 value += rtc_ref_start_datetime;
803 break;
804 case QEMU_CLOCK_HOST:
805 if (rtc_base_type == RTC_BASE_DATETIME) {
806 value -= rtc_host_datetime_offset;
807 }
808 break;
809 default:
810 assert(0);
811 }
812 return value;
813 }
814
815 void qemu_get_timedate(struct tm *tm, int offset)
816 {
817 time_t ti = qemu_ref_timedate(rtc_clock);
818
819 ti += offset;
820
821 switch (rtc_base_type) {
822 case RTC_BASE_DATETIME:
823 case RTC_BASE_UTC:
824 gmtime_r(&ti, tm);
825 break;
826 case RTC_BASE_LOCALTIME:
827 localtime_r(&ti, tm);
828 break;
829 }
830 }
831
832 int qemu_timedate_diff(struct tm *tm)
833 {
834 time_t seconds;
835
836 switch (rtc_base_type) {
837 case RTC_BASE_DATETIME:
838 case RTC_BASE_UTC:
839 seconds = mktimegm(tm);
840 break;
841 case RTC_BASE_LOCALTIME:
842 {
843 struct tm tmp = *tm;
844 tmp.tm_isdst = -1; /* use timezone to figure it out */
845 seconds = mktime(&tmp);
846 break;
847 }
848 default:
849 abort();
850 }
851
852 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
853 }
854
855 static void configure_rtc_base_datetime(const char *startdate)
856 {
857 time_t rtc_start_datetime;
858 struct tm tm;
859
860 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
861 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
862 /* OK */
863 } else if (sscanf(startdate, "%d-%d-%d",
864 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
865 tm.tm_hour = 0;
866 tm.tm_min = 0;
867 tm.tm_sec = 0;
868 } else {
869 goto date_fail;
870 }
871 tm.tm_year -= 1900;
872 tm.tm_mon--;
873 rtc_start_datetime = mktimegm(&tm);
874 if (rtc_start_datetime == -1) {
875 date_fail:
876 error_report("invalid datetime format");
877 error_printf("valid formats: "
878 "'2006-06-17T16:01:21' or '2006-06-17'\n");
879 exit(1);
880 }
881 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
882 rtc_ref_start_datetime = rtc_start_datetime;
883 }
884
885 static void configure_rtc(QemuOpts *opts)
886 {
887 const char *value;
888
889 /* Set defaults */
890 rtc_clock = QEMU_CLOCK_HOST;
891 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
892 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
893
894 value = qemu_opt_get(opts, "base");
895 if (value) {
896 if (!strcmp(value, "utc")) {
897 rtc_base_type = RTC_BASE_UTC;
898 } else if (!strcmp(value, "localtime")) {
899 Error *blocker = NULL;
900 rtc_base_type = RTC_BASE_LOCALTIME;
901 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
902 "-rtc base=localtime");
903 replay_add_blocker(blocker);
904 } else {
905 rtc_base_type = RTC_BASE_DATETIME;
906 configure_rtc_base_datetime(value);
907 }
908 }
909 value = qemu_opt_get(opts, "clock");
910 if (value) {
911 if (!strcmp(value, "host")) {
912 rtc_clock = QEMU_CLOCK_HOST;
913 } else if (!strcmp(value, "rt")) {
914 rtc_clock = QEMU_CLOCK_REALTIME;
915 } else if (!strcmp(value, "vm")) {
916 rtc_clock = QEMU_CLOCK_VIRTUAL;
917 } else {
918 error_report("invalid option value '%s'", value);
919 exit(1);
920 }
921 }
922 value = qemu_opt_get(opts, "driftfix");
923 if (value) {
924 if (!strcmp(value, "slew")) {
925 static GlobalProperty slew_lost_ticks = {
926 .driver = "mc146818rtc",
927 .property = "lost_tick_policy",
928 .value = "slew",
929 };
930
931 qdev_prop_register_global(&slew_lost_ticks);
932 } else if (!strcmp(value, "none")) {
933 /* discard is default */
934 } else {
935 error_report("invalid option value '%s'", value);
936 exit(1);
937 }
938 }
939 }
940
941 /***********************************************************/
942 /* Bluetooth support */
943 static int nb_hcis;
944 static int cur_hci;
945 static struct HCIInfo *hci_table[MAX_NICS];
946
947 struct HCIInfo *qemu_next_hci(void)
948 {
949 if (cur_hci == nb_hcis)
950 return &null_hci;
951
952 return hci_table[cur_hci++];
953 }
954
955 static int bt_hci_parse(const char *str)
956 {
957 struct HCIInfo *hci;
958 bdaddr_t bdaddr;
959
960 if (nb_hcis >= MAX_NICS) {
961 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
962 return -1;
963 }
964
965 hci = hci_init(str);
966 if (!hci)
967 return -1;
968
969 bdaddr.b[0] = 0x52;
970 bdaddr.b[1] = 0x54;
971 bdaddr.b[2] = 0x00;
972 bdaddr.b[3] = 0x12;
973 bdaddr.b[4] = 0x34;
974 bdaddr.b[5] = 0x56 + nb_hcis;
975 hci->bdaddr_set(hci, bdaddr.b);
976
977 hci_table[nb_hcis++] = hci;
978
979 return 0;
980 }
981
982 static void bt_vhci_add(int vlan_id)
983 {
984 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
985
986 if (!vlan->slave)
987 warn_report("adding a VHCI to an empty scatternet %i",
988 vlan_id);
989
990 bt_vhci_init(bt_new_hci(vlan));
991 }
992
993 static struct bt_device_s *bt_device_add(const char *opt)
994 {
995 struct bt_scatternet_s *vlan;
996 int vlan_id = 0;
997 char *endp = strstr(opt, ",vlan=");
998 int len = (endp ? endp - opt : strlen(opt)) + 1;
999 char devname[10];
1000
1001 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1002
1003 if (endp) {
1004 vlan_id = strtol(endp + 6, &endp, 0);
1005 if (*endp) {
1006 error_report("unrecognised bluetooth vlan Id");
1007 return 0;
1008 }
1009 }
1010
1011 vlan = qemu_find_bt_vlan(vlan_id);
1012
1013 if (!vlan->slave)
1014 warn_report("adding a slave device to an empty scatternet %i",
1015 vlan_id);
1016
1017 if (!strcmp(devname, "keyboard"))
1018 return bt_keyboard_init(vlan);
1019
1020 error_report("unsupported bluetooth device '%s'", devname);
1021 return 0;
1022 }
1023
1024 static int bt_parse(const char *opt)
1025 {
1026 const char *endp, *p;
1027 int vlan;
1028
1029 if (strstart(opt, "hci", &endp)) {
1030 if (!*endp || *endp == ',') {
1031 if (*endp)
1032 if (!strstart(endp, ",vlan=", 0))
1033 opt = endp + 1;
1034
1035 return bt_hci_parse(opt);
1036 }
1037 } else if (strstart(opt, "vhci", &endp)) {
1038 if (!*endp || *endp == ',') {
1039 if (*endp) {
1040 if (strstart(endp, ",vlan=", &p)) {
1041 vlan = strtol(p, (char **) &endp, 0);
1042 if (*endp) {
1043 error_report("bad scatternet '%s'", p);
1044 return 1;
1045 }
1046 } else {
1047 error_report("bad parameter '%s'", endp + 1);
1048 return 1;
1049 }
1050 } else
1051 vlan = 0;
1052
1053 bt_vhci_add(vlan);
1054 return 0;
1055 }
1056 } else if (strstart(opt, "device:", &endp))
1057 return !bt_device_add(endp);
1058
1059 error_report("bad bluetooth parameter '%s'", opt);
1060 return 1;
1061 }
1062
1063 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1064 {
1065 const char *proc_name;
1066
1067 if (qemu_opt_get(opts, "debug-threads")) {
1068 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1069 }
1070 qemu_name = qemu_opt_get(opts, "guest");
1071
1072 proc_name = qemu_opt_get(opts, "process");
1073 if (proc_name) {
1074 os_set_proc_name(proc_name);
1075 }
1076
1077 return 0;
1078 }
1079
1080 bool defaults_enabled(void)
1081 {
1082 return has_defaults;
1083 }
1084
1085 #ifndef _WIN32
1086 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1087 {
1088 int fd, dupfd, flags;
1089 int64_t fdset_id;
1090 const char *fd_opaque = NULL;
1091 AddfdInfo *fdinfo;
1092
1093 fd = qemu_opt_get_number(opts, "fd", -1);
1094 fdset_id = qemu_opt_get_number(opts, "set", -1);
1095 fd_opaque = qemu_opt_get(opts, "opaque");
1096
1097 if (fd < 0) {
1098 error_setg(errp, "fd option is required and must be non-negative");
1099 return -1;
1100 }
1101
1102 if (fd <= STDERR_FILENO) {
1103 error_setg(errp, "fd cannot be a standard I/O stream");
1104 return -1;
1105 }
1106
1107 /*
1108 * All fds inherited across exec() necessarily have FD_CLOEXEC
1109 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1110 */
1111 flags = fcntl(fd, F_GETFD);
1112 if (flags == -1 || (flags & FD_CLOEXEC)) {
1113 error_setg(errp, "fd is not valid or already in use");
1114 return -1;
1115 }
1116
1117 if (fdset_id < 0) {
1118 error_setg(errp, "set option is required and must be non-negative");
1119 return -1;
1120 }
1121
1122 #ifdef F_DUPFD_CLOEXEC
1123 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1124 #else
1125 dupfd = dup(fd);
1126 if (dupfd != -1) {
1127 qemu_set_cloexec(dupfd);
1128 }
1129 #endif
1130 if (dupfd == -1) {
1131 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1132 return -1;
1133 }
1134
1135 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1136 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1137 &error_abort);
1138 g_free(fdinfo);
1139
1140 return 0;
1141 }
1142
1143 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1144 {
1145 int fd;
1146
1147 fd = qemu_opt_get_number(opts, "fd", -1);
1148 close(fd);
1149
1150 return 0;
1151 }
1152 #endif
1153
1154 /***********************************************************/
1155 /* QEMU Block devices */
1156
1157 #define HD_OPTS "media=disk"
1158 #define CDROM_OPTS "media=cdrom"
1159 #define FD_OPTS ""
1160 #define PFLASH_OPTS ""
1161 #define MTD_OPTS ""
1162 #define SD_OPTS ""
1163
1164 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1165 {
1166 BlockInterfaceType *block_default_type = opaque;
1167
1168 return drive_new(opts, *block_default_type, errp) == NULL;
1169 }
1170
1171 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1172 {
1173 if (qemu_opt_get(opts, "snapshot") == NULL) {
1174 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1175 }
1176 return 0;
1177 }
1178
1179 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1180 int index, const char *optstr)
1181 {
1182 QemuOpts *opts;
1183 DriveInfo *dinfo;
1184
1185 if (!enable || drive_get_by_index(type, index)) {
1186 return;
1187 }
1188
1189 opts = drive_add(type, index, NULL, optstr);
1190 if (snapshot) {
1191 drive_enable_snapshot(NULL, opts, NULL);
1192 }
1193
1194 dinfo = drive_new(opts, type, &error_abort);
1195 dinfo->is_default = true;
1196
1197 }
1198
1199 static QemuOptsList qemu_smp_opts = {
1200 .name = "smp-opts",
1201 .implied_opt_name = "cpus",
1202 .merge_lists = true,
1203 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1204 .desc = {
1205 {
1206 .name = "cpus",
1207 .type = QEMU_OPT_NUMBER,
1208 }, {
1209 .name = "sockets",
1210 .type = QEMU_OPT_NUMBER,
1211 }, {
1212 .name = "cores",
1213 .type = QEMU_OPT_NUMBER,
1214 }, {
1215 .name = "threads",
1216 .type = QEMU_OPT_NUMBER,
1217 }, {
1218 .name = "maxcpus",
1219 .type = QEMU_OPT_NUMBER,
1220 },
1221 { /*End of list */ }
1222 },
1223 };
1224
1225 static void smp_parse(QemuOpts *opts)
1226 {
1227 if (opts) {
1228 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1229 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1230 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1231 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1232
1233 /* compute missing values, prefer sockets over cores over threads */
1234 if (cpus == 0 || sockets == 0) {
1235 cores = cores > 0 ? cores : 1;
1236 threads = threads > 0 ? threads : 1;
1237 if (cpus == 0) {
1238 sockets = sockets > 0 ? sockets : 1;
1239 cpus = cores * threads * sockets;
1240 } else {
1241 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1242 sockets = max_cpus / (cores * threads);
1243 }
1244 } else if (cores == 0) {
1245 threads = threads > 0 ? threads : 1;
1246 cores = cpus / (sockets * threads);
1247 cores = cores > 0 ? cores : 1;
1248 } else if (threads == 0) {
1249 threads = cpus / (cores * sockets);
1250 threads = threads > 0 ? threads : 1;
1251 } else if (sockets * cores * threads < cpus) {
1252 error_report("cpu topology: "
1253 "sockets (%u) * cores (%u) * threads (%u) < "
1254 "smp_cpus (%u)",
1255 sockets, cores, threads, cpus);
1256 exit(1);
1257 }
1258
1259 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1260
1261 if (max_cpus < cpus) {
1262 error_report("maxcpus must be equal to or greater than smp");
1263 exit(1);
1264 }
1265
1266 if (sockets * cores * threads > max_cpus) {
1267 error_report("cpu topology: "
1268 "sockets (%u) * cores (%u) * threads (%u) > "
1269 "maxcpus (%u)",
1270 sockets, cores, threads, max_cpus);
1271 exit(1);
1272 }
1273
1274 if (sockets * cores * threads != max_cpus) {
1275 warn_report("Invalid CPU topology deprecated: "
1276 "sockets (%u) * cores (%u) * threads (%u) "
1277 "!= maxcpus (%u)",
1278 sockets, cores, threads, max_cpus);
1279 }
1280
1281 smp_cpus = cpus;
1282 smp_cores = cores;
1283 smp_threads = threads;
1284 }
1285
1286 if (smp_cpus > 1) {
1287 Error *blocker = NULL;
1288 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1289 replay_add_blocker(blocker);
1290 }
1291 }
1292
1293 static void realtime_init(void)
1294 {
1295 if (enable_mlock) {
1296 if (os_mlock() < 0) {
1297 error_report("locking memory failed");
1298 exit(1);
1299 }
1300 }
1301 }
1302
1303
1304 static void configure_msg(QemuOpts *opts)
1305 {
1306 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1307 }
1308
1309 /***********************************************************/
1310 /* Semihosting */
1311
1312 typedef struct SemihostingConfig {
1313 bool enabled;
1314 SemihostingTarget target;
1315 const char **argv;
1316 int argc;
1317 const char *cmdline; /* concatenated argv */
1318 } SemihostingConfig;
1319
1320 static SemihostingConfig semihosting;
1321
1322 bool semihosting_enabled(void)
1323 {
1324 return semihosting.enabled;
1325 }
1326
1327 SemihostingTarget semihosting_get_target(void)
1328 {
1329 return semihosting.target;
1330 }
1331
1332 const char *semihosting_get_arg(int i)
1333 {
1334 if (i >= semihosting.argc) {
1335 return NULL;
1336 }
1337 return semihosting.argv[i];
1338 }
1339
1340 int semihosting_get_argc(void)
1341 {
1342 return semihosting.argc;
1343 }
1344
1345 const char *semihosting_get_cmdline(void)
1346 {
1347 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1348 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1349 }
1350 return semihosting.cmdline;
1351 }
1352
1353 static int add_semihosting_arg(void *opaque,
1354 const char *name, const char *val,
1355 Error **errp)
1356 {
1357 SemihostingConfig *s = opaque;
1358 if (strcmp(name, "arg") == 0) {
1359 s->argc++;
1360 /* one extra element as g_strjoinv() expects NULL-terminated array */
1361 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1362 s->argv[s->argc - 1] = val;
1363 s->argv[s->argc] = NULL;
1364 }
1365 return 0;
1366 }
1367
1368 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1369 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1370 {
1371 char *cmd_token;
1372
1373 /* argv[0] */
1374 add_semihosting_arg(&semihosting, "arg", file, NULL);
1375
1376 /* split -append and initialize argv[1..n] */
1377 cmd_token = strtok(g_strdup(cmd), " ");
1378 while (cmd_token) {
1379 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1380 cmd_token = strtok(NULL, " ");
1381 }
1382 }
1383
1384 /* Now we still need this for compatibility with XEN. */
1385 bool has_igd_gfx_passthru;
1386 static void igd_gfx_passthru(void)
1387 {
1388 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1389 }
1390
1391 /***********************************************************/
1392 /* USB devices */
1393
1394 static int usb_device_add(const char *devname)
1395 {
1396 USBDevice *dev = NULL;
1397
1398 if (!machine_usb(current_machine)) {
1399 return -1;
1400 }
1401
1402 dev = usbdevice_create(devname);
1403 if (!dev)
1404 return -1;
1405
1406 return 0;
1407 }
1408
1409 static int usb_parse(const char *cmdline)
1410 {
1411 int r;
1412 r = usb_device_add(cmdline);
1413 if (r < 0) {
1414 error_report("could not add USB device '%s'", cmdline);
1415 }
1416 return r;
1417 }
1418
1419 /***********************************************************/
1420 /* machine registration */
1421
1422 MachineState *current_machine;
1423
1424 static MachineClass *find_machine(const char *name)
1425 {
1426 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1427 MachineClass *mc = NULL;
1428
1429 for (el = machines; el; el = el->next) {
1430 MachineClass *temp = el->data;
1431
1432 if (!strcmp(temp->name, name)) {
1433 mc = temp;
1434 break;
1435 }
1436 if (temp->alias &&
1437 !strcmp(temp->alias, name)) {
1438 mc = temp;
1439 break;
1440 }
1441 }
1442
1443 g_slist_free(machines);
1444 return mc;
1445 }
1446
1447 MachineClass *find_default_machine(void)
1448 {
1449 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1450 MachineClass *mc = NULL;
1451
1452 for (el = machines; el; el = el->next) {
1453 MachineClass *temp = el->data;
1454
1455 if (temp->is_default) {
1456 mc = temp;
1457 break;
1458 }
1459 }
1460
1461 g_slist_free(machines);
1462 return mc;
1463 }
1464
1465 MachineInfoList *qmp_query_machines(Error **errp)
1466 {
1467 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1468 MachineInfoList *mach_list = NULL;
1469
1470 for (el = machines; el; el = el->next) {
1471 MachineClass *mc = el->data;
1472 MachineInfoList *entry;
1473 MachineInfo *info;
1474
1475 info = g_malloc0(sizeof(*info));
1476 if (mc->is_default) {
1477 info->has_is_default = true;
1478 info->is_default = true;
1479 }
1480
1481 if (mc->alias) {
1482 info->has_alias = true;
1483 info->alias = g_strdup(mc->alias);
1484 }
1485
1486 info->name = g_strdup(mc->name);
1487 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1488 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1489
1490 entry = g_malloc0(sizeof(*entry));
1491 entry->value = info;
1492 entry->next = mach_list;
1493 mach_list = entry;
1494 }
1495
1496 g_slist_free(machines);
1497 return mach_list;
1498 }
1499
1500 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1501 {
1502 ObjectProperty *prop;
1503 ObjectPropertyIterator iter;
1504
1505 if (!qemu_opt_has_help_opt(opts)) {
1506 return 0;
1507 }
1508
1509 object_property_iter_init(&iter, OBJECT(machine));
1510 while ((prop = object_property_iter_next(&iter))) {
1511 if (!prop->set) {
1512 continue;
1513 }
1514
1515 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1516 prop->name, prop->type);
1517 if (prop->description) {
1518 error_printf(" (%s)\n", prop->description);
1519 } else {
1520 error_printf("\n");
1521 }
1522 }
1523
1524 return 1;
1525 }
1526
1527 struct vm_change_state_entry {
1528 VMChangeStateHandler *cb;
1529 void *opaque;
1530 QLIST_ENTRY (vm_change_state_entry) entries;
1531 };
1532
1533 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1534
1535 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1536 void *opaque)
1537 {
1538 VMChangeStateEntry *e;
1539
1540 e = g_malloc0(sizeof (*e));
1541
1542 e->cb = cb;
1543 e->opaque = opaque;
1544 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1545 return e;
1546 }
1547
1548 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1549 {
1550 QLIST_REMOVE (e, entries);
1551 g_free (e);
1552 }
1553
1554 void vm_state_notify(int running, RunState state)
1555 {
1556 VMChangeStateEntry *e, *next;
1557
1558 trace_vm_state_notify(running, state);
1559
1560 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1561 e->cb(e->opaque, running, state);
1562 }
1563 }
1564
1565 static ShutdownCause reset_requested;
1566 static ShutdownCause shutdown_requested;
1567 static int shutdown_signal;
1568 static pid_t shutdown_pid;
1569 static int powerdown_requested;
1570 static int debug_requested;
1571 static int suspend_requested;
1572 static bool preconfig_exit_requested = true;
1573 static WakeupReason wakeup_reason;
1574 static NotifierList powerdown_notifiers =
1575 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1576 static NotifierList suspend_notifiers =
1577 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1578 static NotifierList wakeup_notifiers =
1579 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1580 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1581
1582 ShutdownCause qemu_shutdown_requested_get(void)
1583 {
1584 return shutdown_requested;
1585 }
1586
1587 ShutdownCause qemu_reset_requested_get(void)
1588 {
1589 return reset_requested;
1590 }
1591
1592 static int qemu_shutdown_requested(void)
1593 {
1594 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1595 }
1596
1597 static void qemu_kill_report(void)
1598 {
1599 if (!qtest_driver() && shutdown_signal) {
1600 if (shutdown_pid == 0) {
1601 /* This happens for eg ^C at the terminal, so it's worth
1602 * avoiding printing an odd message in that case.
1603 */
1604 error_report("terminating on signal %d", shutdown_signal);
1605 } else {
1606 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1607
1608 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1609 shutdown_signal, shutdown_pid,
1610 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1611 g_free(shutdown_cmd);
1612 }
1613 shutdown_signal = 0;
1614 }
1615 }
1616
1617 static ShutdownCause qemu_reset_requested(void)
1618 {
1619 ShutdownCause r = reset_requested;
1620
1621 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1622 reset_requested = SHUTDOWN_CAUSE_NONE;
1623 return r;
1624 }
1625 return SHUTDOWN_CAUSE_NONE;
1626 }
1627
1628 static int qemu_suspend_requested(void)
1629 {
1630 int r = suspend_requested;
1631 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1632 suspend_requested = 0;
1633 return r;
1634 }
1635 return false;
1636 }
1637
1638 static WakeupReason qemu_wakeup_requested(void)
1639 {
1640 return wakeup_reason;
1641 }
1642
1643 static int qemu_powerdown_requested(void)
1644 {
1645 int r = powerdown_requested;
1646 powerdown_requested = 0;
1647 return r;
1648 }
1649
1650 static int qemu_debug_requested(void)
1651 {
1652 int r = debug_requested;
1653 debug_requested = 0;
1654 return r;
1655 }
1656
1657 void qemu_exit_preconfig_request(void)
1658 {
1659 preconfig_exit_requested = true;
1660 }
1661
1662 /*
1663 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1664 */
1665 void qemu_system_reset(ShutdownCause reason)
1666 {
1667 MachineClass *mc;
1668
1669 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1670
1671 cpu_synchronize_all_states();
1672
1673 if (mc && mc->reset) {
1674 mc->reset();
1675 } else {
1676 qemu_devices_reset();
1677 }
1678 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1679 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1680 }
1681 cpu_synchronize_all_post_reset();
1682 }
1683
1684 void qemu_system_guest_panicked(GuestPanicInformation *info)
1685 {
1686 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1687
1688 if (current_cpu) {
1689 current_cpu->crash_occurred = true;
1690 }
1691 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1692 !!info, info);
1693 vm_stop(RUN_STATE_GUEST_PANICKED);
1694 if (!no_shutdown) {
1695 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1696 !!info, info);
1697 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1698 }
1699
1700 if (info) {
1701 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1702 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1703 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1704 info->u.hyper_v.arg1,
1705 info->u.hyper_v.arg2,
1706 info->u.hyper_v.arg3,
1707 info->u.hyper_v.arg4,
1708 info->u.hyper_v.arg5);
1709 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1710 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1711 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1712 info->u.s390.core,
1713 S390CrashReason_str(info->u.s390.reason),
1714 info->u.s390.psw_mask,
1715 info->u.s390.psw_addr);
1716 }
1717 qapi_free_GuestPanicInformation(info);
1718 }
1719 }
1720
1721 void qemu_system_reset_request(ShutdownCause reason)
1722 {
1723 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1724 shutdown_requested = reason;
1725 } else {
1726 reset_requested = reason;
1727 }
1728 cpu_stop_current();
1729 qemu_notify_event();
1730 }
1731
1732 static void qemu_system_suspend(void)
1733 {
1734 pause_all_vcpus();
1735 notifier_list_notify(&suspend_notifiers, NULL);
1736 runstate_set(RUN_STATE_SUSPENDED);
1737 qapi_event_send_suspend();
1738 }
1739
1740 void qemu_system_suspend_request(void)
1741 {
1742 if (runstate_check(RUN_STATE_SUSPENDED)) {
1743 return;
1744 }
1745 suspend_requested = 1;
1746 cpu_stop_current();
1747 qemu_notify_event();
1748 }
1749
1750 void qemu_register_suspend_notifier(Notifier *notifier)
1751 {
1752 notifier_list_add(&suspend_notifiers, notifier);
1753 }
1754
1755 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1756 {
1757 trace_system_wakeup_request(reason);
1758
1759 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1760 error_setg(errp,
1761 "Unable to wake up: guest is not in suspended state");
1762 return;
1763 }
1764 if (!(wakeup_reason_mask & (1 << reason))) {
1765 return;
1766 }
1767 runstate_set(RUN_STATE_RUNNING);
1768 wakeup_reason = reason;
1769 qemu_notify_event();
1770 }
1771
1772 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1773 {
1774 if (enabled) {
1775 wakeup_reason_mask |= (1 << reason);
1776 } else {
1777 wakeup_reason_mask &= ~(1 << reason);
1778 }
1779 }
1780
1781 void qemu_register_wakeup_notifier(Notifier *notifier)
1782 {
1783 notifier_list_add(&wakeup_notifiers, notifier);
1784 }
1785
1786 void qemu_register_wakeup_support(void)
1787 {
1788 wakeup_suspend_enabled = true;
1789 }
1790
1791 bool qemu_wakeup_suspend_enabled(void)
1792 {
1793 return wakeup_suspend_enabled;
1794 }
1795
1796 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1797 {
1798 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1799 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1800
1801 return params;
1802 }
1803
1804 void qemu_system_killed(int signal, pid_t pid)
1805 {
1806 shutdown_signal = signal;
1807 shutdown_pid = pid;
1808 no_shutdown = 0;
1809
1810 /* Cannot call qemu_system_shutdown_request directly because
1811 * we are in a signal handler.
1812 */
1813 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1814 qemu_notify_event();
1815 }
1816
1817 void qemu_system_shutdown_request(ShutdownCause reason)
1818 {
1819 trace_qemu_system_shutdown_request(reason);
1820 replay_shutdown_request(reason);
1821 shutdown_requested = reason;
1822 qemu_notify_event();
1823 }
1824
1825 static void qemu_system_powerdown(void)
1826 {
1827 qapi_event_send_powerdown();
1828 notifier_list_notify(&powerdown_notifiers, NULL);
1829 }
1830
1831 void qemu_system_powerdown_request(void)
1832 {
1833 trace_qemu_system_powerdown_request();
1834 powerdown_requested = 1;
1835 qemu_notify_event();
1836 }
1837
1838 void qemu_register_powerdown_notifier(Notifier *notifier)
1839 {
1840 notifier_list_add(&powerdown_notifiers, notifier);
1841 }
1842
1843 void qemu_system_debug_request(void)
1844 {
1845 debug_requested = 1;
1846 qemu_notify_event();
1847 }
1848
1849 static bool main_loop_should_exit(void)
1850 {
1851 RunState r;
1852 ShutdownCause request;
1853
1854 if (preconfig_exit_requested) {
1855 if (runstate_check(RUN_STATE_PRECONFIG)) {
1856 runstate_set(RUN_STATE_PRELAUNCH);
1857 }
1858 preconfig_exit_requested = false;
1859 return true;
1860 }
1861 if (qemu_debug_requested()) {
1862 vm_stop(RUN_STATE_DEBUG);
1863 }
1864 if (qemu_suspend_requested()) {
1865 qemu_system_suspend();
1866 }
1867 request = qemu_shutdown_requested();
1868 if (request) {
1869 qemu_kill_report();
1870 qapi_event_send_shutdown(shutdown_caused_by_guest(request), request);
1871 if (no_shutdown) {
1872 vm_stop(RUN_STATE_SHUTDOWN);
1873 } else {
1874 return true;
1875 }
1876 }
1877 request = qemu_reset_requested();
1878 if (request) {
1879 pause_all_vcpus();
1880 qemu_system_reset(request);
1881 resume_all_vcpus();
1882 if (!runstate_check(RUN_STATE_RUNNING) &&
1883 !runstate_check(RUN_STATE_INMIGRATE)) {
1884 runstate_set(RUN_STATE_PRELAUNCH);
1885 }
1886 }
1887 if (qemu_wakeup_requested()) {
1888 pause_all_vcpus();
1889 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1890 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1891 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1892 resume_all_vcpus();
1893 qapi_event_send_wakeup();
1894 }
1895 if (qemu_powerdown_requested()) {
1896 qemu_system_powerdown();
1897 }
1898 if (qemu_vmstop_requested(&r)) {
1899 vm_stop(r);
1900 }
1901 return false;
1902 }
1903
1904 static void main_loop(void)
1905 {
1906 #ifdef CONFIG_PROFILER
1907 int64_t ti;
1908 #endif
1909 while (!main_loop_should_exit()) {
1910 #ifdef CONFIG_PROFILER
1911 ti = profile_getclock();
1912 #endif
1913 main_loop_wait(false);
1914 #ifdef CONFIG_PROFILER
1915 dev_time += profile_getclock() - ti;
1916 #endif
1917 }
1918 }
1919
1920 static void version(void)
1921 {
1922 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1923 QEMU_COPYRIGHT "\n");
1924 }
1925
1926 static void help(int exitcode)
1927 {
1928 version();
1929 printf("usage: %s [options] [disk_image]\n\n"
1930 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1931 error_get_progname());
1932
1933 #define QEMU_OPTIONS_GENERATE_HELP
1934 #include "qemu-options-wrapper.h"
1935
1936 printf("\nDuring emulation, the following keys are useful:\n"
1937 "ctrl-alt-f toggle full screen\n"
1938 "ctrl-alt-n switch to virtual console 'n'\n"
1939 "ctrl-alt toggle mouse and keyboard grab\n"
1940 "\n"
1941 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1942 "\n"
1943 QEMU_HELP_BOTTOM "\n");
1944
1945 exit(exitcode);
1946 }
1947
1948 #define HAS_ARG 0x0001
1949
1950 typedef struct QEMUOption {
1951 const char *name;
1952 int flags;
1953 int index;
1954 uint32_t arch_mask;
1955 } QEMUOption;
1956
1957 static const QEMUOption qemu_options[] = {
1958 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1959 #define QEMU_OPTIONS_GENERATE_OPTIONS
1960 #include "qemu-options-wrapper.h"
1961 { NULL },
1962 };
1963
1964 typedef struct VGAInterfaceInfo {
1965 const char *opt_name; /* option name */
1966 const char *name; /* human-readable name */
1967 /* Class names indicating that support is available.
1968 * If no class is specified, the interface is always available */
1969 const char *class_names[2];
1970 } VGAInterfaceInfo;
1971
1972 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1973 [VGA_NONE] = {
1974 .opt_name = "none",
1975 },
1976 [VGA_STD] = {
1977 .opt_name = "std",
1978 .name = "standard VGA",
1979 .class_names = { "VGA", "isa-vga" },
1980 },
1981 [VGA_CIRRUS] = {
1982 .opt_name = "cirrus",
1983 .name = "Cirrus VGA",
1984 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1985 },
1986 [VGA_VMWARE] = {
1987 .opt_name = "vmware",
1988 .name = "VMWare SVGA",
1989 .class_names = { "vmware-svga" },
1990 },
1991 [VGA_VIRTIO] = {
1992 .opt_name = "virtio",
1993 .name = "Virtio VGA",
1994 .class_names = { "virtio-vga" },
1995 },
1996 [VGA_QXL] = {
1997 .opt_name = "qxl",
1998 .name = "QXL VGA",
1999 .class_names = { "qxl-vga" },
2000 },
2001 [VGA_TCX] = {
2002 .opt_name = "tcx",
2003 .name = "TCX framebuffer",
2004 .class_names = { "SUNW,tcx" },
2005 },
2006 [VGA_CG3] = {
2007 .opt_name = "cg3",
2008 .name = "CG3 framebuffer",
2009 .class_names = { "cgthree" },
2010 },
2011 [VGA_XENFB] = {
2012 .opt_name = "xenfb",
2013 },
2014 };
2015
2016 static bool vga_interface_available(VGAInterfaceType t)
2017 {
2018 VGAInterfaceInfo *ti = &vga_interfaces[t];
2019
2020 assert(t < VGA_TYPE_MAX);
2021 return !ti->class_names[0] ||
2022 object_class_by_name(ti->class_names[0]) ||
2023 object_class_by_name(ti->class_names[1]);
2024 }
2025
2026 static void select_vgahw(const char *p)
2027 {
2028 const char *opts;
2029 int t;
2030
2031 assert(vga_interface_type == VGA_NONE);
2032 for (t = 0; t < VGA_TYPE_MAX; t++) {
2033 VGAInterfaceInfo *ti = &vga_interfaces[t];
2034 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2035 if (!vga_interface_available(t)) {
2036 error_report("%s not available", ti->name);
2037 exit(1);
2038 }
2039 vga_interface_type = t;
2040 break;
2041 }
2042 }
2043 if (t == VGA_TYPE_MAX) {
2044 invalid_vga:
2045 error_report("unknown vga type: %s", p);
2046 exit(1);
2047 }
2048 while (*opts) {
2049 const char *nextopt;
2050
2051 if (strstart(opts, ",retrace=", &nextopt)) {
2052 opts = nextopt;
2053 if (strstart(opts, "dumb", &nextopt))
2054 vga_retrace_method = VGA_RETRACE_DUMB;
2055 else if (strstart(opts, "precise", &nextopt))
2056 vga_retrace_method = VGA_RETRACE_PRECISE;
2057 else goto invalid_vga;
2058 } else goto invalid_vga;
2059 opts = nextopt;
2060 }
2061 }
2062
2063 static void parse_display_qapi(const char *optarg)
2064 {
2065 DisplayOptions *opts;
2066 Visitor *v;
2067
2068 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2069
2070 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2071 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2072
2073 qapi_free_DisplayOptions(opts);
2074 visit_free(v);
2075 }
2076
2077 DisplayOptions *qmp_query_display_options(Error **errp)
2078 {
2079 return QAPI_CLONE(DisplayOptions, &dpy);
2080 }
2081
2082 static void parse_display(const char *p)
2083 {
2084 const char *opts;
2085
2086 if (strstart(p, "sdl", &opts)) {
2087 /*
2088 * sdl DisplayType needs hand-crafted parser instead of
2089 * parse_display_qapi() due to some options not in
2090 * DisplayOptions, specifically:
2091 * - frame
2092 * Already deprecated.
2093 * - ctrl_grab + alt_grab
2094 * Not clear yet what happens to them long-term. Should
2095 * replaced by something better or deprecated and dropped.
2096 */
2097 dpy.type = DISPLAY_TYPE_SDL;
2098 while (*opts) {
2099 const char *nextopt;
2100
2101 if (strstart(opts, ",frame=", &nextopt)) {
2102 g_printerr("The frame= sdl option is deprecated, and will be\n"
2103 "removed in a future release.\n");
2104 opts = nextopt;
2105 if (strstart(opts, "on", &nextopt)) {
2106 no_frame = 0;
2107 } else if (strstart(opts, "off", &nextopt)) {
2108 no_frame = 1;
2109 } else {
2110 goto invalid_sdl_args;
2111 }
2112 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2113 opts = nextopt;
2114 if (strstart(opts, "on", &nextopt)) {
2115 alt_grab = 1;
2116 } else if (strstart(opts, "off", &nextopt)) {
2117 alt_grab = 0;
2118 } else {
2119 goto invalid_sdl_args;
2120 }
2121 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2122 opts = nextopt;
2123 if (strstart(opts, "on", &nextopt)) {
2124 ctrl_grab = 1;
2125 } else if (strstart(opts, "off", &nextopt)) {
2126 ctrl_grab = 0;
2127 } else {
2128 goto invalid_sdl_args;
2129 }
2130 } else if (strstart(opts, ",window_close=", &nextopt)) {
2131 opts = nextopt;
2132 dpy.has_window_close = true;
2133 if (strstart(opts, "on", &nextopt)) {
2134 dpy.window_close = true;
2135 } else if (strstart(opts, "off", &nextopt)) {
2136 dpy.window_close = false;
2137 } else {
2138 goto invalid_sdl_args;
2139 }
2140 } else if (strstart(opts, ",gl=", &nextopt)) {
2141 opts = nextopt;
2142 dpy.has_gl = true;
2143 if (strstart(opts, "on", &nextopt)) {
2144 dpy.gl = DISPLAYGL_MODE_ON;
2145 } else if (strstart(opts, "core", &nextopt)) {
2146 dpy.gl = DISPLAYGL_MODE_CORE;
2147 } else if (strstart(opts, "es", &nextopt)) {
2148 dpy.gl = DISPLAYGL_MODE_ES;
2149 } else if (strstart(opts, "off", &nextopt)) {
2150 dpy.gl = DISPLAYGL_MODE_OFF;
2151 } else {
2152 goto invalid_sdl_args;
2153 }
2154 } else {
2155 invalid_sdl_args:
2156 error_report("invalid SDL option string");
2157 exit(1);
2158 }
2159 opts = nextopt;
2160 }
2161 } else if (strstart(p, "vnc", &opts)) {
2162 /*
2163 * vnc isn't a (local) DisplayType but a protocol for remote
2164 * display access.
2165 */
2166 if (*opts == '=') {
2167 vnc_parse(opts + 1, &error_fatal);
2168 } else {
2169 error_report("VNC requires a display argument vnc=<display>");
2170 exit(1);
2171 }
2172 } else {
2173 parse_display_qapi(p);
2174 }
2175 }
2176
2177 char *qemu_find_file(int type, const char *name)
2178 {
2179 int i;
2180 const char *subdir;
2181 char *buf;
2182
2183 /* Try the name as a straight path first */
2184 if (access(name, R_OK) == 0) {
2185 trace_load_file(name, name);
2186 return g_strdup(name);
2187 }
2188
2189 switch (type) {
2190 case QEMU_FILE_TYPE_BIOS:
2191 subdir = "";
2192 break;
2193 case QEMU_FILE_TYPE_KEYMAP:
2194 subdir = "keymaps/";
2195 break;
2196 default:
2197 abort();
2198 }
2199
2200 for (i = 0; i < data_dir_idx; i++) {
2201 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2202 if (access(buf, R_OK) == 0) {
2203 trace_load_file(name, buf);
2204 return buf;
2205 }
2206 g_free(buf);
2207 }
2208 return NULL;
2209 }
2210
2211 static void qemu_add_data_dir(const char *path)
2212 {
2213 int i;
2214
2215 if (path == NULL) {
2216 return;
2217 }
2218 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2219 return;
2220 }
2221 for (i = 0; i < data_dir_idx; i++) {
2222 if (strcmp(data_dir[i], path) == 0) {
2223 return; /* duplicate */
2224 }
2225 }
2226 data_dir[data_dir_idx++] = g_strdup(path);
2227 }
2228
2229 static inline bool nonempty_str(const char *str)
2230 {
2231 return str && *str;
2232 }
2233
2234 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2235 {
2236 gchar *buf;
2237 size_t size;
2238 const char *name, *file, *str;
2239 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2240
2241 if (fw_cfg == NULL) {
2242 error_setg(errp, "fw_cfg device not available");
2243 return -1;
2244 }
2245 name = qemu_opt_get(opts, "name");
2246 file = qemu_opt_get(opts, "file");
2247 str = qemu_opt_get(opts, "string");
2248
2249 /* we need name and either a file or the content string */
2250 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2251 error_setg(errp, "invalid argument(s)");
2252 return -1;
2253 }
2254 if (nonempty_str(file) && nonempty_str(str)) {
2255 error_setg(errp, "file and string are mutually exclusive");
2256 return -1;
2257 }
2258 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2259 error_setg(errp, "name too long (max. %d char)",
2260 FW_CFG_MAX_FILE_PATH - 1);
2261 return -1;
2262 }
2263 if (strncmp(name, "opt/", 4) != 0) {
2264 warn_report("externally provided fw_cfg item names "
2265 "should be prefixed with \"opt/\"");
2266 }
2267 if (nonempty_str(str)) {
2268 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2269 buf = g_memdup(str, size);
2270 } else {
2271 GError *err = NULL;
2272 if (!g_file_get_contents(file, &buf, &size, &err)) {
2273 error_setg(errp, "can't load %s: %s", file, err->message);
2274 g_error_free(err);
2275 return -1;
2276 }
2277 }
2278 /* For legacy, keep user files in a specific global order. */
2279 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2280 fw_cfg_add_file(fw_cfg, name, buf, size);
2281 fw_cfg_reset_order_override(fw_cfg);
2282 return 0;
2283 }
2284
2285 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2286 {
2287 return qdev_device_help(opts);
2288 }
2289
2290 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2291 {
2292 DeviceState *dev;
2293
2294 dev = qdev_device_add(opts, errp);
2295 if (!dev) {
2296 return -1;
2297 }
2298 object_unref(OBJECT(dev));
2299 return 0;
2300 }
2301
2302 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2303 {
2304 Error *local_err = NULL;
2305
2306 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2307 if (local_err) {
2308 error_propagate(errp, local_err);
2309 return -1;
2310 }
2311 exit(0);
2312 }
2313 return 0;
2314 }
2315
2316 #ifdef CONFIG_VIRTFS
2317 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2318 {
2319 return qemu_fsdev_add(opts, errp);
2320 }
2321 #endif
2322
2323 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2324 {
2325 Chardev *chr;
2326 const char *chardev;
2327 const char *mode;
2328 int flags;
2329
2330 mode = qemu_opt_get(opts, "mode");
2331 if (mode == NULL) {
2332 mode = "readline";
2333 }
2334 if (strcmp(mode, "readline") == 0) {
2335 flags = MONITOR_USE_READLINE;
2336 } else if (strcmp(mode, "control") == 0) {
2337 flags = MONITOR_USE_CONTROL;
2338 } else {
2339 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2340 return -1;
2341 }
2342
2343 if (qemu_opt_get_bool(opts, "pretty", 0))
2344 flags |= MONITOR_USE_PRETTY;
2345
2346 chardev = qemu_opt_get(opts, "chardev");
2347 if (!chardev) {
2348 error_report("chardev is required");
2349 exit(1);
2350 }
2351 chr = qemu_chr_find(chardev);
2352 if (chr == NULL) {
2353 error_setg(errp, "chardev \"%s\" not found", chardev);
2354 return -1;
2355 }
2356
2357 monitor_init(chr, flags);
2358 return 0;
2359 }
2360
2361 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2362 {
2363 static int monitor_device_index = 0;
2364 QemuOpts *opts;
2365 const char *p;
2366 char label[32];
2367
2368 if (strstart(optarg, "chardev:", &p)) {
2369 snprintf(label, sizeof(label), "%s", p);
2370 } else {
2371 snprintf(label, sizeof(label), "compat_monitor%d",
2372 monitor_device_index);
2373 opts = qemu_chr_parse_compat(label, optarg, true);
2374 if (!opts) {
2375 error_report("parse error: %s", optarg);
2376 exit(1);
2377 }
2378 }
2379
2380 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2381 qemu_opt_set(opts, "mode", mode, &error_abort);
2382 qemu_opt_set(opts, "chardev", label, &error_abort);
2383 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2384 monitor_device_index++;
2385 }
2386
2387 struct device_config {
2388 enum {
2389 DEV_USB, /* -usbdevice */
2390 DEV_BT, /* -bt */
2391 DEV_SERIAL, /* -serial */
2392 DEV_PARALLEL, /* -parallel */
2393 DEV_VIRTCON, /* -virtioconsole */
2394 DEV_DEBUGCON, /* -debugcon */
2395 DEV_GDB, /* -gdb, -s */
2396 DEV_SCLP, /* s390 sclp */
2397 } type;
2398 const char *cmdline;
2399 Location loc;
2400 QTAILQ_ENTRY(device_config) next;
2401 };
2402
2403 static QTAILQ_HEAD(, device_config) device_configs =
2404 QTAILQ_HEAD_INITIALIZER(device_configs);
2405
2406 static void add_device_config(int type, const char *cmdline)
2407 {
2408 struct device_config *conf;
2409
2410 conf = g_malloc0(sizeof(*conf));
2411 conf->type = type;
2412 conf->cmdline = cmdline;
2413 loc_save(&conf->loc);
2414 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2415 }
2416
2417 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2418 {
2419 struct device_config *conf;
2420 int rc;
2421
2422 QTAILQ_FOREACH(conf, &device_configs, next) {
2423 if (conf->type != type)
2424 continue;
2425 loc_push_restore(&conf->loc);
2426 rc = func(conf->cmdline);
2427 loc_pop(&conf->loc);
2428 if (rc) {
2429 return rc;
2430 }
2431 }
2432 return 0;
2433 }
2434
2435 static int serial_parse(const char *devname)
2436 {
2437 int index = num_serial_hds;
2438 char label[32];
2439
2440 if (strcmp(devname, "none") == 0)
2441 return 0;
2442 snprintf(label, sizeof(label), "serial%d", index);
2443 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2444
2445 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2446 if (!serial_hds[index]) {
2447 error_report("could not connect serial device"
2448 " to character backend '%s'", devname);
2449 return -1;
2450 }
2451 num_serial_hds++;
2452 return 0;
2453 }
2454
2455 Chardev *serial_hd(int i)
2456 {
2457 assert(i >= 0);
2458 if (i < num_serial_hds) {
2459 return serial_hds[i];
2460 }
2461 return NULL;
2462 }
2463
2464 int serial_max_hds(void)
2465 {
2466 return num_serial_hds;
2467 }
2468
2469 static int parallel_parse(const char *devname)
2470 {
2471 static int index = 0;
2472 char label[32];
2473
2474 if (strcmp(devname, "none") == 0)
2475 return 0;
2476 if (index == MAX_PARALLEL_PORTS) {
2477 error_report("too many parallel ports");
2478 exit(1);
2479 }
2480 snprintf(label, sizeof(label), "parallel%d", index);
2481 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2482 if (!parallel_hds[index]) {
2483 error_report("could not connect parallel device"
2484 " to character backend '%s'", devname);
2485 return -1;
2486 }
2487 index++;
2488 return 0;
2489 }
2490
2491 static int virtcon_parse(const char *devname)
2492 {
2493 QemuOptsList *device = qemu_find_opts("device");
2494 static int index = 0;
2495 char label[32];
2496 QemuOpts *bus_opts, *dev_opts;
2497
2498 if (strcmp(devname, "none") == 0)
2499 return 0;
2500 if (index == MAX_VIRTIO_CONSOLES) {
2501 error_report("too many virtio consoles");
2502 exit(1);
2503 }
2504
2505 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2506 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2507
2508 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2509 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2510
2511 snprintf(label, sizeof(label), "virtcon%d", index);
2512 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2513 if (!virtcon_hds[index]) {
2514 error_report("could not connect virtio console"
2515 " to character backend '%s'", devname);
2516 return -1;
2517 }
2518 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2519
2520 index++;
2521 return 0;
2522 }
2523
2524 static int debugcon_parse(const char *devname)
2525 {
2526 QemuOpts *opts;
2527
2528 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2529 error_report("invalid character backend '%s'", devname);
2530 exit(1);
2531 }
2532 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2533 if (!opts) {
2534 error_report("already have a debugcon device");
2535 exit(1);
2536 }
2537 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2538 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2539 return 0;
2540 }
2541
2542 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2543 {
2544 const MachineClass *mc1 = a, *mc2 = b;
2545 int res;
2546
2547 if (mc1->family == NULL) {
2548 if (mc2->family == NULL) {
2549 /* Compare standalone machine types against each other; they sort
2550 * in increasing order.
2551 */
2552 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2553 object_class_get_name(OBJECT_CLASS(mc2)));
2554 }
2555
2556 /* Standalone machine types sort after families. */
2557 return 1;
2558 }
2559
2560 if (mc2->family == NULL) {
2561 /* Families sort before standalone machine types. */
2562 return -1;
2563 }
2564
2565 /* Families sort between each other alphabetically increasingly. */
2566 res = strcmp(mc1->family, mc2->family);
2567 if (res != 0) {
2568 return res;
2569 }
2570
2571 /* Within the same family, machine types sort in decreasing order. */
2572 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2573 object_class_get_name(OBJECT_CLASS(mc1)));
2574 }
2575
2576 static MachineClass *machine_parse(const char *name)
2577 {
2578 MachineClass *mc = NULL;
2579 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2580
2581 if (name) {
2582 mc = find_machine(name);
2583 }
2584 if (mc) {
2585 g_slist_free(machines);
2586 return mc;
2587 }
2588 if (name && !is_help_option(name)) {
2589 error_report("unsupported machine type");
2590 error_printf("Use -machine help to list supported machines\n");
2591 } else {
2592 printf("Supported machines are:\n");
2593 machines = g_slist_sort(machines, machine_class_cmp);
2594 for (el = machines; el; el = el->next) {
2595 MachineClass *mc = el->data;
2596 if (mc->alias) {
2597 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2598 }
2599 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2600 mc->is_default ? " (default)" : "",
2601 mc->deprecation_reason ? " (deprecated)" : "");
2602 }
2603 }
2604
2605 g_slist_free(machines);
2606 exit(!name || !is_help_option(name));
2607 }
2608
2609 void qemu_add_exit_notifier(Notifier *notify)
2610 {
2611 notifier_list_add(&exit_notifiers, notify);
2612 }
2613
2614 void qemu_remove_exit_notifier(Notifier *notify)
2615 {
2616 notifier_remove(notify);
2617 }
2618
2619 static void qemu_run_exit_notifiers(void)
2620 {
2621 notifier_list_notify(&exit_notifiers, NULL);
2622 }
2623
2624 static const char *pid_file;
2625 static Notifier qemu_unlink_pidfile_notifier;
2626
2627 static void qemu_unlink_pidfile(Notifier *n, void *data)
2628 {
2629 if (pid_file) {
2630 unlink(pid_file);
2631 }
2632 }
2633
2634 bool machine_init_done;
2635
2636 void qemu_add_machine_init_done_notifier(Notifier *notify)
2637 {
2638 notifier_list_add(&machine_init_done_notifiers, notify);
2639 if (machine_init_done) {
2640 notify->notify(notify, NULL);
2641 }
2642 }
2643
2644 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2645 {
2646 notifier_remove(notify);
2647 }
2648
2649 static void qemu_run_machine_init_done_notifiers(void)
2650 {
2651 machine_init_done = true;
2652 notifier_list_notify(&machine_init_done_notifiers, NULL);
2653 }
2654
2655 static const QEMUOption *lookup_opt(int argc, char **argv,
2656 const char **poptarg, int *poptind)
2657 {
2658 const QEMUOption *popt;
2659 int optind = *poptind;
2660 char *r = argv[optind];
2661 const char *optarg;
2662
2663 loc_set_cmdline(argv, optind, 1);
2664 optind++;
2665 /* Treat --foo the same as -foo. */
2666 if (r[1] == '-')
2667 r++;
2668 popt = qemu_options;
2669 for(;;) {
2670 if (!popt->name) {
2671 error_report("invalid option");
2672 exit(1);
2673 }
2674 if (!strcmp(popt->name, r + 1))
2675 break;
2676 popt++;
2677 }
2678 if (popt->flags & HAS_ARG) {
2679 if (optind >= argc) {
2680 error_report("requires an argument");
2681 exit(1);
2682 }
2683 optarg = argv[optind++];
2684 loc_set_cmdline(argv, optind - 2, 2);
2685 } else {
2686 optarg = NULL;
2687 }
2688
2689 *poptarg = optarg;
2690 *poptind = optind;
2691
2692 return popt;
2693 }
2694
2695 static MachineClass *select_machine(void)
2696 {
2697 MachineClass *machine_class = find_default_machine();
2698 const char *optarg;
2699 QemuOpts *opts;
2700 Location loc;
2701
2702 loc_push_none(&loc);
2703
2704 opts = qemu_get_machine_opts();
2705 qemu_opts_loc_restore(opts);
2706
2707 optarg = qemu_opt_get(opts, "type");
2708 if (optarg) {
2709 machine_class = machine_parse(optarg);
2710 }
2711
2712 if (!machine_class) {
2713 error_report("No machine specified, and there is no default");
2714 error_printf("Use -machine help to list supported machines\n");
2715 exit(1);
2716 }
2717
2718 loc_pop(&loc);
2719 return machine_class;
2720 }
2721
2722 static int machine_set_property(void *opaque,
2723 const char *name, const char *value,
2724 Error **errp)
2725 {
2726 Object *obj = OBJECT(opaque);
2727 Error *local_err = NULL;
2728 char *p, *qom_name;
2729
2730 if (strcmp(name, "type") == 0) {
2731 return 0;
2732 }
2733
2734 qom_name = g_strdup(name);
2735 for (p = qom_name; *p; p++) {
2736 if (*p == '_') {
2737 *p = '-';
2738 }
2739 }
2740
2741 object_property_parse(obj, value, qom_name, &local_err);
2742 g_free(qom_name);
2743
2744 if (local_err) {
2745 error_propagate(errp, local_err);
2746 return -1;
2747 }
2748
2749 return 0;
2750 }
2751
2752
2753 /*
2754 * Initial object creation happens before all other
2755 * QEMU data types are created. The majority of objects
2756 * can be created at this point. The rng-egd object
2757 * cannot be created here, as it depends on the chardev
2758 * already existing.
2759 */
2760 static bool object_create_initial(const char *type, QemuOpts *opts)
2761 {
2762 ObjectClass *klass;
2763
2764 if (is_help_option(type)) {
2765 GSList *l, *list;
2766
2767 printf("List of user creatable objects:\n");
2768 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2769 for (l = list; l != NULL; l = l->next) {
2770 ObjectClass *oc = OBJECT_CLASS(l->data);
2771 printf(" %s\n", object_class_get_name(oc));
2772 }
2773 g_slist_free(list);
2774 exit(0);
2775 }
2776
2777 klass = object_class_by_name(type);
2778 if (klass && qemu_opt_has_help_opt(opts)) {
2779 ObjectPropertyIterator iter;
2780 ObjectProperty *prop;
2781 GPtrArray *array = g_ptr_array_new();
2782 int i;
2783
2784 object_class_property_iter_init(&iter, klass);
2785 while ((prop = object_property_iter_next(&iter))) {
2786 GString *str;
2787
2788 if (!prop->set) {
2789 continue;
2790 }
2791
2792 str = g_string_new(NULL);
2793 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2794 if (prop->description) {
2795 if (str->len < 24) {
2796 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2797 }
2798 g_string_append_printf(str, " - %s", prop->description);
2799 }
2800 g_ptr_array_add(array, g_string_free(str, false));
2801 }
2802 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2803 if (array->len > 0) {
2804 printf("%s options:\n", type);
2805 } else {
2806 printf("There are no options for %s.\n", type);
2807 }
2808 for (i = 0; i < array->len; i++) {
2809 printf("%s\n", (char *)array->pdata[i]);
2810 }
2811 g_ptr_array_set_free_func(array, g_free);
2812 g_ptr_array_free(array, true);
2813 exit(0);
2814 }
2815
2816 if (g_str_equal(type, "rng-egd") ||
2817 g_str_has_prefix(type, "pr-manager-")) {
2818 return false;
2819 }
2820
2821 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2822 if (g_str_equal(type, "cryptodev-vhost-user")) {
2823 return false;
2824 }
2825 #endif
2826
2827 /*
2828 * return false for concrete netfilters since
2829 * they depend on netdevs already existing
2830 */
2831 if (g_str_equal(type, "filter-buffer") ||
2832 g_str_equal(type, "filter-dump") ||
2833 g_str_equal(type, "filter-mirror") ||
2834 g_str_equal(type, "filter-redirector") ||
2835 g_str_equal(type, "colo-compare") ||
2836 g_str_equal(type, "filter-rewriter") ||
2837 g_str_equal(type, "filter-replay")) {
2838 return false;
2839 }
2840
2841 /* Memory allocation by backends needs to be done
2842 * after configure_accelerator() (due to the tcg_enabled()
2843 * checks at memory_region_init_*()).
2844 *
2845 * Also, allocation of large amounts of memory may delay
2846 * chardev initialization for too long, and trigger timeouts
2847 * on software that waits for a monitor socket to be created
2848 * (e.g. libvirt).
2849 */
2850 if (g_str_has_prefix(type, "memory-backend-")) {
2851 return false;
2852 }
2853
2854 return true;
2855 }
2856
2857
2858 /*
2859 * The remainder of object creation happens after the
2860 * creation of chardev, fsdev, net clients and device data types.
2861 */
2862 static bool object_create_delayed(const char *type, QemuOpts *opts)
2863 {
2864 return !object_create_initial(type, opts);
2865 }
2866
2867
2868 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2869 MachineClass *mc)
2870 {
2871 uint64_t sz;
2872 const char *mem_str;
2873 const ram_addr_t default_ram_size = mc->default_ram_size;
2874 QemuOpts *opts = qemu_find_opts_singleton("memory");
2875 Location loc;
2876
2877 loc_push_none(&loc);
2878 qemu_opts_loc_restore(opts);
2879
2880 sz = 0;
2881 mem_str = qemu_opt_get(opts, "size");
2882 if (mem_str) {
2883 if (!*mem_str) {
2884 error_report("missing 'size' option value");
2885 exit(EXIT_FAILURE);
2886 }
2887
2888 sz = qemu_opt_get_size(opts, "size", ram_size);
2889
2890 /* Fix up legacy suffix-less format */
2891 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2892 uint64_t overflow_check = sz;
2893
2894 sz *= MiB;
2895 if (sz / MiB != overflow_check) {
2896 error_report("too large 'size' option value");
2897 exit(EXIT_FAILURE);
2898 }
2899 }
2900 }
2901
2902 /* backward compatibility behaviour for case "-m 0" */
2903 if (sz == 0) {
2904 sz = default_ram_size;
2905 }
2906
2907 sz = QEMU_ALIGN_UP(sz, 8192);
2908 ram_size = sz;
2909 if (ram_size != sz) {
2910 error_report("ram size too large");
2911 exit(EXIT_FAILURE);
2912 }
2913
2914 /* store value for the future use */
2915 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2916 *maxram_size = ram_size;
2917
2918 if (qemu_opt_get(opts, "maxmem")) {
2919 uint64_t slots;
2920
2921 sz = qemu_opt_get_size(opts, "maxmem", 0);
2922 slots = qemu_opt_get_number(opts, "slots", 0);
2923 if (sz < ram_size) {
2924 error_report("invalid value of -m option maxmem: "
2925 "maximum memory size (0x%" PRIx64 ") must be at least "
2926 "the initial memory size (0x" RAM_ADDR_FMT ")",
2927 sz, ram_size);
2928 exit(EXIT_FAILURE);
2929 } else if (slots && sz == ram_size) {
2930 error_report("invalid value of -m option maxmem: "
2931 "memory slots were specified but maximum memory size "
2932 "(0x%" PRIx64 ") is equal to the initial memory size "
2933 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2934 exit(EXIT_FAILURE);
2935 }
2936
2937 *maxram_size = sz;
2938 *ram_slots = slots;
2939 } else if (qemu_opt_get(opts, "slots")) {
2940 error_report("invalid -m option value: missing 'maxmem' option");
2941 exit(EXIT_FAILURE);
2942 }
2943
2944 loc_pop(&loc);
2945 }
2946
2947 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2948 {
2949 GlobalProperty *g;
2950
2951 g = g_malloc0(sizeof(*g));
2952 g->driver = qemu_opt_get(opts, "driver");
2953 g->property = qemu_opt_get(opts, "property");
2954 g->value = qemu_opt_get(opts, "value");
2955 g->user_provided = true;
2956 g->errp = &error_fatal;
2957 qdev_prop_register_global(g);
2958 return 0;
2959 }
2960
2961 static int qemu_read_default_config_file(void)
2962 {
2963 int ret;
2964
2965 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2966 if (ret < 0 && ret != -ENOENT) {
2967 return ret;
2968 }
2969
2970 return 0;
2971 }
2972
2973 static void user_register_global_props(void)
2974 {
2975 qemu_opts_foreach(qemu_find_opts("global"),
2976 global_init_func, NULL, NULL);
2977 }
2978
2979 /*
2980 * Note: we should see that these properties are actually having a
2981 * priority: accel < machine < user. This means e.g. when user
2982 * specifies something in "-global", it'll always be used with highest
2983 * priority than either machine/accelerator compat properties.
2984 */
2985 static void register_global_properties(MachineState *ms)
2986 {
2987 accel_register_compat_props(ms->accelerator);
2988 machine_register_compat_props(ms);
2989 user_register_global_props();
2990 }
2991
2992 int main(int argc, char **argv, char **envp)
2993 {
2994 int i;
2995 int snapshot, linux_boot;
2996 const char *initrd_filename;
2997 const char *kernel_filename, *kernel_cmdline;
2998 const char *boot_order = NULL;
2999 const char *boot_once = NULL;
3000 DisplayState *ds;
3001 QemuOpts *opts, *machine_opts;
3002 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
3003 QemuOptsList *olist;
3004 int optind;
3005 const char *optarg;
3006 const char *loadvm = NULL;
3007 MachineClass *machine_class;
3008 const char *cpu_model;
3009 const char *vga_model = NULL;
3010 const char *qtest_chrdev = NULL;
3011 const char *qtest_log = NULL;
3012 const char *incoming = NULL;
3013 bool userconfig = true;
3014 bool nographic = false;
3015 int display_remote = 0;
3016 const char *log_mask = NULL;
3017 const char *log_file = NULL;
3018 char *trace_file = NULL;
3019 ram_addr_t maxram_size;
3020 uint64_t ram_slots = 0;
3021 FILE *vmstate_dump_file = NULL;
3022 Error *main_loop_err = NULL;
3023 Error *err = NULL;
3024 bool list_data_dirs = false;
3025 char *dir, **dirs;
3026 typedef struct BlockdevOptions_queue {
3027 BlockdevOptions *bdo;
3028 Location loc;
3029 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3030 } BlockdevOptions_queue;
3031 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3032 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3033
3034 module_call_init(MODULE_INIT_TRACE);
3035
3036 qemu_init_cpu_list();
3037 qemu_init_cpu_loop();
3038
3039 qemu_mutex_lock_iothread();
3040
3041 atexit(qemu_run_exit_notifiers);
3042 error_set_progname(argv[0]);
3043 qemu_init_exec_dir(argv[0]);
3044
3045 module_call_init(MODULE_INIT_QOM);
3046
3047 qemu_add_opts(&qemu_drive_opts);
3048 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3049 qemu_add_drive_opts(&qemu_common_drive_opts);
3050 qemu_add_drive_opts(&qemu_drive_opts);
3051 qemu_add_drive_opts(&bdrv_runtime_opts);
3052 qemu_add_opts(&qemu_chardev_opts);
3053 qemu_add_opts(&qemu_device_opts);
3054 qemu_add_opts(&qemu_netdev_opts);
3055 qemu_add_opts(&qemu_nic_opts);
3056 qemu_add_opts(&qemu_net_opts);
3057 qemu_add_opts(&qemu_rtc_opts);
3058 qemu_add_opts(&qemu_global_opts);
3059 qemu_add_opts(&qemu_mon_opts);
3060 qemu_add_opts(&qemu_trace_opts);
3061 qemu_add_opts(&qemu_option_rom_opts);
3062 qemu_add_opts(&qemu_machine_opts);
3063 qemu_add_opts(&qemu_accel_opts);
3064 qemu_add_opts(&qemu_mem_opts);
3065 qemu_add_opts(&qemu_smp_opts);
3066 qemu_add_opts(&qemu_boot_opts);
3067 qemu_add_opts(&qemu_add_fd_opts);
3068 qemu_add_opts(&qemu_object_opts);
3069 qemu_add_opts(&qemu_tpmdev_opts);
3070 qemu_add_opts(&qemu_realtime_opts);
3071 qemu_add_opts(&qemu_overcommit_opts);
3072 qemu_add_opts(&qemu_msg_opts);
3073 qemu_add_opts(&qemu_name_opts);
3074 qemu_add_opts(&qemu_numa_opts);
3075 qemu_add_opts(&qemu_icount_opts);
3076 qemu_add_opts(&qemu_semihosting_config_opts);
3077 qemu_add_opts(&qemu_fw_cfg_opts);
3078 module_call_init(MODULE_INIT_OPTS);
3079
3080 runstate_init();
3081 postcopy_infrastructure_init();
3082 monitor_init_globals();
3083
3084 if (qcrypto_init(&err) < 0) {
3085 error_reportf_err(err, "cannot initialize crypto: ");
3086 exit(1);
3087 }
3088
3089 QLIST_INIT (&vm_change_state_head);
3090 os_setup_early_signal_handling();
3091
3092 cpu_model = NULL;
3093 snapshot = 0;
3094
3095 nb_nics = 0;
3096
3097 bdrv_init_with_whitelist();
3098
3099 autostart = 1;
3100
3101 /* first pass of option parsing */
3102 optind = 1;
3103 while (optind < argc) {
3104 if (argv[optind][0] != '-') {
3105 /* disk image */
3106 optind++;
3107 } else {
3108 const QEMUOption *popt;
3109
3110 popt = lookup_opt(argc, argv, &optarg, &optind);
3111 switch (popt->index) {
3112 case QEMU_OPTION_nouserconfig:
3113 userconfig = false;
3114 break;
3115 }
3116 }
3117 }
3118
3119 if (userconfig) {
3120 if (qemu_read_default_config_file() < 0) {
3121 exit(1);
3122 }
3123 }
3124
3125 /* second pass of option parsing */
3126 optind = 1;
3127 for(;;) {
3128 if (optind >= argc)
3129 break;
3130 if (argv[optind][0] != '-') {
3131 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3132 } else {
3133 const QEMUOption *popt;
3134
3135 popt = lookup_opt(argc, argv, &optarg, &optind);
3136 if (!(popt->arch_mask & arch_type)) {
3137 error_report("Option not supported for this target");
3138 exit(1);
3139 }
3140 switch(popt->index) {
3141 case QEMU_OPTION_cpu:
3142 /* hw initialization will check this */
3143 cpu_model = optarg;
3144 break;
3145 case QEMU_OPTION_hda:
3146 case QEMU_OPTION_hdb:
3147 case QEMU_OPTION_hdc:
3148 case QEMU_OPTION_hdd:
3149 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3150 HD_OPTS);
3151 break;
3152 case QEMU_OPTION_blockdev:
3153 {
3154 Visitor *v;
3155 BlockdevOptions_queue *bdo;
3156
3157 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3158 if (!v) {
3159 error_report_err(err);
3160 exit(1);
3161 }
3162
3163 bdo = g_new(BlockdevOptions_queue, 1);
3164 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3165 &error_fatal);
3166 visit_free(v);
3167 loc_save(&bdo->loc);
3168 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3169 break;
3170 }
3171 case QEMU_OPTION_drive:
3172 if (drive_def(optarg) == NULL) {
3173 exit(1);
3174 }
3175 break;
3176 case QEMU_OPTION_set:
3177 if (qemu_set_option(optarg) != 0)
3178 exit(1);
3179 break;
3180 case QEMU_OPTION_global:
3181 if (qemu_global_option(optarg) != 0)
3182 exit(1);
3183 break;
3184 case QEMU_OPTION_mtdblock:
3185 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3186 break;
3187 case QEMU_OPTION_sd:
3188 drive_add(IF_SD, -1, optarg, SD_OPTS);
3189 break;
3190 case QEMU_OPTION_pflash:
3191 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3192 break;
3193 case QEMU_OPTION_snapshot:
3194 snapshot = 1;
3195 break;
3196 case QEMU_OPTION_numa:
3197 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3198 optarg, true);
3199 if (!opts) {
3200 exit(1);
3201 }
3202 break;
3203 case QEMU_OPTION_display:
3204 parse_display(optarg);
3205 break;
3206 case QEMU_OPTION_nographic:
3207 olist = qemu_find_opts("machine");
3208 qemu_opts_parse_noisily(olist, "graphics=off", false);
3209 nographic = true;
3210 dpy.type = DISPLAY_TYPE_NONE;
3211 break;
3212 case QEMU_OPTION_curses:
3213 #ifdef CONFIG_CURSES
3214 dpy.type = DISPLAY_TYPE_CURSES;
3215 #else
3216 error_report("curses support is disabled");
3217 exit(1);
3218 #endif
3219 break;
3220 case QEMU_OPTION_portrait:
3221 graphic_rotate = 90;
3222 break;
3223 case QEMU_OPTION_rotate:
3224 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3225 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3226 graphic_rotate != 180 && graphic_rotate != 270) {
3227 error_report("only 90, 180, 270 deg rotation is available");
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_kernel:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3233 &error_abort);
3234 break;
3235 case QEMU_OPTION_initrd:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3237 &error_abort);
3238 break;
3239 case QEMU_OPTION_append:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3241 &error_abort);
3242 break;
3243 case QEMU_OPTION_dtb:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3245 &error_abort);
3246 break;
3247 case QEMU_OPTION_cdrom:
3248 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3249 break;
3250 case QEMU_OPTION_boot:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3252 optarg, true);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 break;
3257 case QEMU_OPTION_fda:
3258 case QEMU_OPTION_fdb:
3259 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3260 optarg, FD_OPTS);
3261 break;
3262 case QEMU_OPTION_no_fd_bootchk:
3263 fd_bootchk = 0;
3264 break;
3265 case QEMU_OPTION_netdev:
3266 default_net = 0;
3267 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3268 exit(1);
3269 }
3270 break;
3271 case QEMU_OPTION_nic:
3272 default_net = 0;
3273 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3274 exit(1);
3275 }
3276 break;
3277 case QEMU_OPTION_net:
3278 default_net = 0;
3279 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3280 exit(1);
3281 }
3282 break;
3283 #ifdef CONFIG_LIBISCSI
3284 case QEMU_OPTION_iscsi:
3285 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3286 optarg, false);
3287 if (!opts) {
3288 exit(1);
3289 }
3290 break;
3291 #endif
3292 case QEMU_OPTION_bt:
3293 warn_report("The bluetooth subsystem is deprecated and will "
3294 "be removed soon. If the bluetooth subsystem is "
3295 "still useful for you, please send a mail to "
3296 "qemu-devel@nongnu.org with your usecase.");
3297 add_device_config(DEV_BT, optarg);
3298 break;
3299 case QEMU_OPTION_audio_help:
3300 AUD_help ();
3301 exit (0);
3302 break;
3303 case QEMU_OPTION_soundhw:
3304 select_soundhw (optarg);
3305 break;
3306 case QEMU_OPTION_h:
3307 help(0);
3308 break;
3309 case QEMU_OPTION_version:
3310 version();
3311 exit(0);
3312 break;
3313 case QEMU_OPTION_m:
3314 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3315 optarg, true);
3316 if (!opts) {
3317 exit(EXIT_FAILURE);
3318 }
3319 break;
3320 #ifdef CONFIG_TPM
3321 case QEMU_OPTION_tpmdev:
3322 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3323 exit(1);
3324 }
3325 break;
3326 #endif
3327 case QEMU_OPTION_mempath:
3328 mem_path = optarg;
3329 break;
3330 case QEMU_OPTION_mem_prealloc:
3331 mem_prealloc = 1;
3332 break;
3333 case QEMU_OPTION_d:
3334 log_mask = optarg;
3335 break;
3336 case QEMU_OPTION_D:
3337 log_file = optarg;
3338 break;
3339 case QEMU_OPTION_DFILTER:
3340 qemu_set_dfilter_ranges(optarg, &error_fatal);
3341 break;
3342 case QEMU_OPTION_s:
3343 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3344 break;
3345 case QEMU_OPTION_gdb:
3346 add_device_config(DEV_GDB, optarg);
3347 break;
3348 case QEMU_OPTION_L:
3349 if (is_help_option(optarg)) {
3350 list_data_dirs = true;
3351 } else {
3352 qemu_add_data_dir(optarg);
3353 }
3354 break;
3355 case QEMU_OPTION_bios:
3356 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3357 &error_abort);
3358 break;
3359 case QEMU_OPTION_singlestep:
3360 singlestep = 1;
3361 break;
3362 case QEMU_OPTION_S:
3363 autostart = 0;
3364 break;
3365 case QEMU_OPTION_k:
3366 keyboard_layout = optarg;
3367 break;
3368 case QEMU_OPTION_vga:
3369 vga_model = optarg;
3370 default_vga = 0;
3371 break;
3372 case QEMU_OPTION_g:
3373 {
3374 const char *p;
3375 int w, h, depth;
3376 p = optarg;
3377 w = strtol(p, (char **)&p, 10);
3378 if (w <= 0) {
3379 graphic_error:
3380 error_report("invalid resolution or depth");
3381 exit(1);
3382 }
3383 if (*p != 'x')
3384 goto graphic_error;
3385 p++;
3386 h = strtol(p, (char **)&p, 10);
3387 if (h <= 0)
3388 goto graphic_error;
3389 if (*p == 'x') {
3390 p++;
3391 depth = strtol(p, (char **)&p, 10);
3392 if (depth != 8 && depth != 15 && depth != 16 &&
3393 depth != 24 && depth != 32)
3394 goto graphic_error;
3395 } else if (*p == '\0') {
3396 depth = graphic_depth;
3397 } else {
3398 goto graphic_error;
3399 }
3400
3401 graphic_width = w;
3402 graphic_height = h;
3403 graphic_depth = depth;
3404 }
3405 break;
3406 case QEMU_OPTION_echr:
3407 {
3408 char *r;
3409 term_escape_char = strtol(optarg, &r, 0);
3410 if (r == optarg)
3411 printf("Bad argument to echr\n");
3412 break;
3413 }
3414 case QEMU_OPTION_monitor:
3415 default_monitor = 0;
3416 if (strncmp(optarg, "none", 4)) {
3417 monitor_parse(optarg, "readline", false);
3418 }
3419 break;
3420 case QEMU_OPTION_qmp:
3421 monitor_parse(optarg, "control", false);
3422 default_monitor = 0;
3423 break;
3424 case QEMU_OPTION_qmp_pretty:
3425 monitor_parse(optarg, "control", true);
3426 default_monitor = 0;
3427 break;
3428 case QEMU_OPTION_mon:
3429 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3430 true);
3431 if (!opts) {
3432 exit(1);
3433 }
3434 default_monitor = 0;
3435 break;
3436 case QEMU_OPTION_chardev:
3437 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3438 optarg, true);
3439 if (!opts) {
3440 exit(1);
3441 }
3442 break;
3443 case QEMU_OPTION_fsdev:
3444 olist = qemu_find_opts("fsdev");
3445 if (!olist) {
3446 error_report("fsdev support is disabled");
3447 exit(1);
3448 }
3449 opts = qemu_opts_parse_noisily(olist, optarg, true);
3450 if (!opts) {
3451 exit(1);
3452 }
3453 break;
3454 case QEMU_OPTION_virtfs: {
3455 QemuOpts *fsdev;
3456 QemuOpts *device;
3457 const char *writeout, *sock_fd, *socket, *path, *security_model;
3458
3459 olist = qemu_find_opts("virtfs");
3460 if (!olist) {
3461 error_report("virtfs support is disabled");
3462 exit(1);
3463 }
3464 opts = qemu_opts_parse_noisily(olist, optarg, true);
3465 if (!opts) {
3466 exit(1);
3467 }
3468
3469 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3470 qemu_opt_get(opts, "mount_tag") == NULL) {
3471 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3472 exit(1);
3473 }
3474 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3475 qemu_opts_id(opts) ?:
3476 qemu_opt_get(opts, "mount_tag"),
3477 1, NULL);
3478 if (!fsdev) {
3479 error_report("duplicate or invalid fsdev id: %s",
3480 qemu_opt_get(opts, "mount_tag"));
3481 exit(1);
3482 }
3483
3484 writeout = qemu_opt_get(opts, "writeout");
3485 if (writeout) {
3486 #ifdef CONFIG_SYNC_FILE_RANGE
3487 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3488 #else
3489 error_report("writeout=immediate not supported "
3490 "on this platform");
3491 exit(1);
3492 #endif
3493 }
3494 qemu_opt_set(fsdev, "fsdriver",
3495 qemu_opt_get(opts, "fsdriver"), &error_abort);
3496 path = qemu_opt_get(opts, "path");
3497 if (path) {
3498 qemu_opt_set(fsdev, "path", path, &error_abort);
3499 }
3500 security_model = qemu_opt_get(opts, "security_model");
3501 if (security_model) {
3502 qemu_opt_set(fsdev, "security_model", security_model,
3503 &error_abort);
3504 }
3505 socket = qemu_opt_get(opts, "socket");
3506 if (socket) {
3507 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3508 }
3509 sock_fd = qemu_opt_get(opts, "sock_fd");
3510 if (sock_fd) {
3511 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3512 }
3513
3514 qemu_opt_set_bool(fsdev, "readonly",
3515 qemu_opt_get_bool(opts, "readonly", 0),
3516 &error_abort);
3517 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3518 &error_abort);
3519 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3520 qemu_opt_set(device, "fsdev",
3521 qemu_opts_id(fsdev), &error_abort);
3522 qemu_opt_set(device, "mount_tag",
3523 qemu_opt_get(opts, "mount_tag"), &error_abort);
3524 break;
3525 }
3526 case QEMU_OPTION_virtfs_synth: {
3527 QemuOpts *fsdev;
3528 QemuOpts *device;
3529
3530 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3531 1, NULL);
3532 if (!fsdev) {
3533 error_report("duplicate option: %s", "virtfs_synth");
3534 exit(1);
3535 }
3536 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3537
3538 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3539 &error_abort);
3540 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3541 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3542 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3543 break;
3544 }
3545 case QEMU_OPTION_serial:
3546 add_device_config(DEV_SERIAL, optarg);
3547 default_serial = 0;
3548 if (strncmp(optarg, "mon:", 4) == 0) {
3549 default_monitor = 0;
3550 }
3551 break;
3552 case QEMU_OPTION_watchdog:
3553 if (watchdog) {
3554 error_report("only one watchdog option may be given");
3555 return 1;
3556 }
3557 watchdog = optarg;
3558 break;
3559 case QEMU_OPTION_watchdog_action:
3560 if (select_watchdog_action(optarg) == -1) {
3561 error_report("unknown -watchdog-action parameter");
3562 exit(1);
3563 }
3564 break;
3565 case QEMU_OPTION_virtiocon:
3566 warn_report("This option is deprecated, "
3567 "use '-device virtconsole' instead");
3568 add_device_config(DEV_VIRTCON, optarg);
3569 default_virtcon = 0;
3570 if (strncmp(optarg, "mon:", 4) == 0) {
3571 default_monitor = 0;
3572 }
3573 break;
3574 case QEMU_OPTION_parallel:
3575 add_device_config(DEV_PARALLEL, optarg);
3576 default_parallel = 0;
3577 if (strncmp(optarg, "mon:", 4) == 0) {
3578 default_monitor = 0;
3579 }
3580 break;
3581 case QEMU_OPTION_debugcon:
3582 add_device_config(DEV_DEBUGCON, optarg);
3583 break;
3584 case QEMU_OPTION_loadvm:
3585 loadvm = optarg;
3586 break;
3587 case QEMU_OPTION_full_screen:
3588 dpy.has_full_screen = true;
3589 dpy.full_screen = true;
3590 break;
3591 case QEMU_OPTION_no_frame:
3592 g_printerr("The -no-frame switch is deprecated, and will be\n"
3593 "removed in a future release.\n");
3594 no_frame = 1;
3595 break;
3596 case QEMU_OPTION_alt_grab:
3597 alt_grab = 1;
3598 break;
3599 case QEMU_OPTION_ctrl_grab:
3600 ctrl_grab = 1;
3601 break;
3602 case QEMU_OPTION_no_quit:
3603 dpy.has_window_close = true;
3604 dpy.window_close = false;
3605 break;
3606 case QEMU_OPTION_sdl:
3607 #ifdef CONFIG_SDL
3608 dpy.type = DISPLAY_TYPE_SDL;
3609 break;
3610 #else
3611 error_report("SDL support is disabled");
3612 exit(1);
3613 #endif
3614 case QEMU_OPTION_pidfile:
3615 pid_file = optarg;
3616 break;
3617 case QEMU_OPTION_win2k_hack:
3618 win2k_install_hack = 1;
3619 break;
3620 case QEMU_OPTION_acpitable:
3621 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3622 optarg, true);
3623 if (!opts) {
3624 exit(1);
3625 }
3626 acpi_table_add(opts, &error_fatal);
3627 break;
3628 case QEMU_OPTION_smbios:
3629 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3630 optarg, false);
3631 if (!opts) {
3632 exit(1);
3633 }
3634 smbios_entry_add(opts, &error_fatal);
3635 break;
3636 case QEMU_OPTION_fwcfg:
3637 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3638 optarg, true);
3639 if (opts == NULL) {
3640 exit(1);
3641 }
3642 break;
3643 case QEMU_OPTION_preconfig:
3644 preconfig_exit_requested = false;
3645 break;
3646 case QEMU_OPTION_enable_kvm:
3647 olist = qemu_find_opts("machine");
3648 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3649 break;
3650 case QEMU_OPTION_enable_hax:
3651 warn_report("Option is deprecated, use '-accel hax' instead");
3652 olist = qemu_find_opts("machine");
3653 qemu_opts_parse_noisily(olist, "accel=hax", false);
3654 break;
3655 case QEMU_OPTION_M:
3656 case QEMU_OPTION_machine:
3657 olist = qemu_find_opts("machine");
3658 opts = qemu_opts_parse_noisily(olist, optarg, true);
3659 if (!opts) {
3660 exit(1);
3661 }
3662 break;
3663 case QEMU_OPTION_no_kvm:
3664 olist = qemu_find_opts("machine");
3665 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3666 break;
3667 case QEMU_OPTION_accel:
3668 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3669 optarg, true);
3670 optarg = qemu_opt_get(accel_opts, "accel");
3671 if (!optarg || is_help_option(optarg)) {
3672 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3673 exit(0);
3674 }
3675 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3676 false, &error_abort);
3677 qemu_opt_set(opts, "accel", optarg, &error_abort);
3678 break;
3679 case QEMU_OPTION_usb:
3680 olist = qemu_find_opts("machine");
3681 qemu_opts_parse_noisily(olist, "usb=on", false);
3682 break;
3683 case QEMU_OPTION_usbdevice:
3684 error_report("'-usbdevice' is deprecated, please use "
3685 "'-device usb-...' instead");
3686 olist = qemu_find_opts("machine");
3687 qemu_opts_parse_noisily(olist, "usb=on", false);
3688 add_device_config(DEV_USB, optarg);
3689 break;
3690 case QEMU_OPTION_device:
3691 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3692 optarg, true)) {
3693 exit(1);
3694 }
3695 break;
3696 case QEMU_OPTION_smp:
3697 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3698 optarg, true)) {
3699 exit(1);
3700 }
3701 break;
3702 case QEMU_OPTION_vnc:
3703 vnc_parse(optarg, &error_fatal);
3704 break;
3705 case QEMU_OPTION_no_acpi:
3706 acpi_enabled = 0;
3707 break;
3708 case QEMU_OPTION_no_hpet:
3709 no_hpet = 1;
3710 break;
3711 case QEMU_OPTION_no_reboot:
3712 no_reboot = 1;
3713 break;
3714 case QEMU_OPTION_no_shutdown:
3715 no_shutdown = 1;
3716 break;
3717 case QEMU_OPTION_show_cursor:
3718 cursor_hide = 0;
3719 break;
3720 case QEMU_OPTION_uuid:
3721 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3722 error_report("failed to parse UUID string: wrong format");
3723 exit(1);
3724 }
3725 qemu_uuid_set = true;
3726 break;
3727 case QEMU_OPTION_option_rom:
3728 if (nb_option_roms >= MAX_OPTION_ROMS) {
3729 error_report("too many option ROMs");
3730 exit(1);
3731 }
3732 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3733 optarg, true);
3734 if (!opts) {
3735 exit(1);
3736 }
3737 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3738 option_rom[nb_option_roms].bootindex =
3739 qemu_opt_get_number(opts, "bootindex", -1);
3740 if (!option_rom[nb_option_roms].name) {
3741 error_report("Option ROM file is not specified");
3742 exit(1);
3743 }
3744 nb_option_roms++;
3745 break;
3746 case QEMU_OPTION_semihosting:
3747 semihosting.enabled = true;
3748 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3749 break;
3750 case QEMU_OPTION_semihosting_config:
3751 semihosting.enabled = true;
3752 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3753 optarg, false);
3754 if (opts != NULL) {
3755 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3756 true);
3757 const char *target = qemu_opt_get(opts, "target");
3758 if (target != NULL) {
3759 if (strcmp("native", target) == 0) {
3760 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3761 } else if (strcmp("gdb", target) == 0) {
3762 semihosting.target = SEMIHOSTING_TARGET_GDB;
3763 } else if (strcmp("auto", target) == 0) {
3764 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3765 } else {
3766 error_report("unsupported semihosting-config %s",
3767 optarg);
3768 exit(1);
3769 }
3770 } else {
3771 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3772 }
3773 /* Set semihosting argument count and vector */
3774 qemu_opt_foreach(opts, add_semihosting_arg,
3775 &semihosting, NULL);
3776 } else {
3777 error_report("unsupported semihosting-config %s", optarg);
3778 exit(1);
3779 }
3780 break;
3781 case QEMU_OPTION_name:
3782 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3783 optarg, true);
3784 if (!opts) {
3785 exit(1);
3786 }
3787 break;
3788 case QEMU_OPTION_prom_env:
3789 if (nb_prom_envs >= MAX_PROM_ENVS) {
3790 error_report("too many prom variables");
3791 exit(1);
3792 }
3793 prom_envs[nb_prom_envs] = optarg;
3794 nb_prom_envs++;
3795 break;
3796 case QEMU_OPTION_old_param:
3797 old_param = 1;
3798 break;
3799 case QEMU_OPTION_clock:
3800 /* Clock options no longer exist. Keep this option for
3801 * backward compatibility.
3802 */
3803 warn_report("This option is ignored and will be removed soon");
3804 break;
3805 case QEMU_OPTION_rtc:
3806 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3807 false);
3808 if (!opts) {
3809 exit(1);
3810 }
3811 break;
3812 case QEMU_OPTION_tb_size:
3813 #ifndef CONFIG_TCG
3814 error_report("TCG is disabled");
3815 exit(1);
3816 #endif
3817 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3818 error_report("Invalid argument to -tb-size");
3819 exit(1);
3820 }
3821 break;
3822 case QEMU_OPTION_icount:
3823 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3824 optarg, true);
3825 if (!icount_opts) {
3826 exit(1);
3827 }
3828 break;
3829 case QEMU_OPTION_incoming:
3830 if (!incoming) {
3831 runstate_set(RUN_STATE_INMIGRATE);
3832 }
3833 incoming = optarg;
3834 break;
3835 case QEMU_OPTION_only_migratable:
3836 /*
3837 * TODO: we can remove this option one day, and we
3838 * should all use:
3839 *
3840 * "-global migration.only-migratable=true"
3841 */
3842 qemu_global_option("migration.only-migratable=true");
3843 break;
3844 case QEMU_OPTION_nodefaults:
3845 has_defaults = 0;
3846 break;
3847 case QEMU_OPTION_xen_domid:
3848 if (!(xen_available())) {
3849 error_report("Option not supported for this target");
3850 exit(1);
3851 }
3852 xen_domid = atoi(optarg);
3853 break;
3854 case QEMU_OPTION_xen_create:
3855 if (!(xen_available())) {
3856 error_report("Option not supported for this target");
3857 exit(1);
3858 }
3859 xen_mode = XEN_CREATE;
3860 break;
3861 case QEMU_OPTION_xen_attach:
3862 if (!(xen_available())) {
3863 error_report("Option not supported for this target");
3864 exit(1);
3865 }
3866 xen_mode = XEN_ATTACH;
3867 break;
3868 case QEMU_OPTION_xen_domid_restrict:
3869 if (!(xen_available())) {
3870 error_report("Option not supported for this target");
3871 exit(1);
3872 }
3873 xen_domid_restrict = true;
3874 break;
3875 case QEMU_OPTION_trace:
3876 g_free(trace_file);
3877 trace_file = trace_opt_parse(optarg);
3878 break;
3879 case QEMU_OPTION_readconfig:
3880 {
3881 int ret = qemu_read_config_file(optarg);
3882 if (ret < 0) {
3883 error_report("read config %s: %s", optarg,
3884 strerror(-ret));
3885 exit(1);
3886 }
3887 break;
3888 }
3889 case QEMU_OPTION_spice:
3890 olist = qemu_find_opts("spice");
3891 if (!olist) {
3892 error_report("spice support is disabled");
3893 exit(1);
3894 }
3895 opts = qemu_opts_parse_noisily(olist, optarg, false);
3896 if (!opts) {
3897 exit(1);
3898 }
3899 display_remote++;
3900 break;
3901 case QEMU_OPTION_writeconfig:
3902 {
3903 FILE *fp;
3904 if (strcmp(optarg, "-") == 0) {
3905 fp = stdout;
3906 } else {
3907 fp = fopen(optarg, "w");
3908 if (fp == NULL) {
3909 error_report("open %s: %s", optarg,
3910 strerror(errno));
3911 exit(1);
3912 }
3913 }
3914 qemu_config_write(fp);
3915 if (fp != stdout) {
3916 fclose(fp);
3917 }
3918 break;
3919 }
3920 case QEMU_OPTION_qtest:
3921 qtest_chrdev = optarg;
3922 break;
3923 case QEMU_OPTION_qtest_log:
3924 qtest_log = optarg;
3925 break;
3926 case QEMU_OPTION_sandbox:
3927 #ifdef CONFIG_SECCOMP
3928 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3929 optarg, true);
3930 if (!opts) {
3931 exit(1);
3932 }
3933 #else
3934 error_report("-sandbox support is not enabled "
3935 "in this QEMU binary");
3936 exit(1);
3937 #endif
3938 break;
3939 case QEMU_OPTION_add_fd:
3940 #ifndef _WIN32
3941 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3942 optarg, false);
3943 if (!opts) {
3944 exit(1);
3945 }
3946 #else
3947 error_report("File descriptor passing is disabled on this "
3948 "platform");
3949 exit(1);
3950 #endif
3951 break;
3952 case QEMU_OPTION_object:
3953 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3954 optarg, true);
3955 if (!opts) {
3956 exit(1);
3957 }
3958 break;
3959 case QEMU_OPTION_realtime:
3960 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3961 optarg, false);
3962 if (!opts) {
3963 exit(1);
3964 }
3965 /* Don't override the -overcommit option if set */
3966 enable_mlock = enable_mlock ||
3967 qemu_opt_get_bool(opts, "mlock", true);
3968 break;
3969 case QEMU_OPTION_overcommit:
3970 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3971 optarg, false);
3972 if (!opts) {
3973 exit(1);
3974 }
3975 /* Don't override the -realtime option if set */
3976 enable_mlock = enable_mlock ||
3977 qemu_opt_get_bool(opts, "mem-lock", false);
3978 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3979 break;
3980 case QEMU_OPTION_msg:
3981 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3982 false);
3983 if (!opts) {
3984 exit(1);
3985 }
3986 configure_msg(opts);
3987 break;
3988 case QEMU_OPTION_dump_vmstate:
3989 if (vmstate_dump_file) {
3990 error_report("only one '-dump-vmstate' "
3991 "option may be given");
3992 exit(1);
3993 }
3994 vmstate_dump_file = fopen(optarg, "w");
3995 if (vmstate_dump_file == NULL) {
3996 error_report("open %s: %s", optarg, strerror(errno));
3997 exit(1);
3998 }
3999 break;
4000 case QEMU_OPTION_enable_sync_profile:
4001 qsp_enable();
4002 break;
4003 case QEMU_OPTION_nouserconfig:
4004 /* Nothing to be parsed here. Especially, do not error out below. */
4005 break;
4006 default:
4007 if (os_parse_cmd_args(popt->index, optarg)) {
4008 error_report("Option not supported in this build");
4009 exit(1);
4010 }
4011 }
4012 }
4013 }
4014 /*
4015 * Clear error location left behind by the loop.
4016 * Best done right after the loop. Do not insert code here!
4017 */
4018 loc_set_none();
4019
4020 replay_configure(icount_opts);
4021
4022 if (incoming && !preconfig_exit_requested) {
4023 error_report("'preconfig' and 'incoming' options are "
4024 "mutually exclusive");
4025 exit(EXIT_FAILURE);
4026 }
4027
4028 configure_rtc(qemu_find_opts_singleton("rtc"));
4029
4030 machine_class = select_machine();
4031
4032 set_memory_options(&ram_slots, &maxram_size, machine_class);
4033
4034 os_daemonize();
4035 rcu_disable_atfork();
4036
4037 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4038 error_reportf_err(err, "cannot create PID file: ");
4039 exit(1);
4040 }
4041
4042 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4043 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4044
4045 if (qemu_init_main_loop(&main_loop_err)) {
4046 error_report_err(main_loop_err);
4047 exit(1);
4048 }
4049
4050 #ifdef CONFIG_SECCOMP
4051 olist = qemu_find_opts_err("sandbox", NULL);
4052 if (olist) {
4053 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4054 }
4055 #endif
4056
4057 qemu_opts_foreach(qemu_find_opts("name"),
4058 parse_name, NULL, &error_fatal);
4059
4060 #ifndef _WIN32
4061 qemu_opts_foreach(qemu_find_opts("add-fd"),
4062 parse_add_fd, NULL, &error_fatal);
4063
4064 qemu_opts_foreach(qemu_find_opts("add-fd"),
4065 cleanup_add_fd, NULL, &error_fatal);
4066 #endif
4067
4068 current_machine = MACHINE(object_new(object_class_get_name(
4069 OBJECT_CLASS(machine_class))));
4070 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4071 exit(0);
4072 }
4073 object_property_add_child(object_get_root(), "machine",
4074 OBJECT(current_machine), &error_abort);
4075
4076 if (machine_class->minimum_page_bits) {
4077 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4078 /* This would be a board error: specifying a minimum smaller than
4079 * a target's compile-time fixed setting.
4080 */
4081 g_assert_not_reached();
4082 }
4083 }
4084
4085 cpu_exec_init_all();
4086
4087 if (machine_class->hw_version) {
4088 qemu_set_hw_version(machine_class->hw_version);
4089 }
4090
4091 if (cpu_model && is_help_option(cpu_model)) {
4092 list_cpus(stdout, &fprintf, cpu_model);
4093 exit(0);
4094 }
4095
4096 if (!trace_init_backends()) {
4097 exit(1);
4098 }
4099 trace_init_file(trace_file);
4100
4101 /* Open the logfile at this point and set the log mask if necessary.
4102 */
4103 if (log_file) {
4104 qemu_set_log_filename(log_file, &error_fatal);
4105 }
4106
4107 if (log_mask) {
4108 int mask;
4109 mask = qemu_str_to_log_mask(log_mask);
4110 if (!mask) {
4111 qemu_print_log_usage(stdout);
4112 exit(1);
4113 }
4114 qemu_set_log(mask);
4115 } else {
4116 qemu_set_log(0);
4117 }
4118
4119 /* add configured firmware directories */
4120 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4121 for (i = 0; dirs[i] != NULL; i++) {
4122 qemu_add_data_dir(dirs[i]);
4123 }
4124 g_strfreev(dirs);
4125
4126 /* try to find datadir relative to the executable path */
4127 dir = os_find_datadir();
4128 qemu_add_data_dir(dir);
4129 g_free(dir);
4130
4131 /* add the datadir specified when building */
4132 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4133
4134 /* -L help lists the data directories and exits. */
4135 if (list_data_dirs) {
4136 for (i = 0; i < data_dir_idx; i++) {
4137 printf("%s\n", data_dir[i]);
4138 }
4139 exit(0);
4140 }
4141
4142 /* machine_class: default to UP */
4143 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4144 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4145 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4146
4147 /* default to machine_class->default_cpus */
4148 smp_cpus = machine_class->default_cpus;
4149 max_cpus = machine_class->default_cpus;
4150
4151 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4152
4153 /* sanity-check smp_cpus and max_cpus against machine_class */
4154 if (smp_cpus < machine_class->min_cpus) {
4155 error_report("Invalid SMP CPUs %d. The min CPUs "
4156 "supported by machine '%s' is %d", smp_cpus,
4157 machine_class->name, machine_class->min_cpus);
4158 exit(1);
4159 }
4160 if (max_cpus > machine_class->max_cpus) {
4161 error_report("Invalid SMP CPUs %d. The max CPUs "
4162 "supported by machine '%s' is %d", max_cpus,
4163 machine_class->name, machine_class->max_cpus);
4164 exit(1);
4165 }
4166
4167 /*
4168 * Get the default machine options from the machine if it is not already
4169 * specified either by the configuration file or by the command line.
4170 */
4171 if (machine_class->default_machine_opts) {
4172 qemu_opts_set_defaults(qemu_find_opts("machine"),
4173 machine_class->default_machine_opts, 0);
4174 }
4175
4176 qemu_opts_foreach(qemu_find_opts("device"),
4177 default_driver_check, NULL, NULL);
4178 qemu_opts_foreach(qemu_find_opts("global"),
4179 default_driver_check, NULL, NULL);
4180
4181 if (!vga_model && !default_vga) {
4182 vga_interface_type = VGA_DEVICE;
4183 }
4184 if (!has_defaults || machine_class->no_serial) {
4185 default_serial = 0;
4186 }
4187 if (!has_defaults || machine_class->no_parallel) {
4188 default_parallel = 0;
4189 }
4190 if (!has_defaults || !machine_class->use_virtcon) {
4191 default_virtcon = 0;
4192 }
4193 if (!has_defaults || machine_class->no_floppy) {
4194 default_floppy = 0;
4195 }
4196 if (!has_defaults || machine_class->no_cdrom) {
4197 default_cdrom = 0;
4198 }
4199 if (!has_defaults || machine_class->no_sdcard) {
4200 default_sdcard = 0;
4201 }
4202 if (!has_defaults) {
4203 default_monitor = 0;
4204 default_net = 0;
4205 default_vga = 0;
4206 }
4207
4208 if (is_daemonized()) {
4209 if (!preconfig_exit_requested) {
4210 error_report("'preconfig' and 'daemonize' options are "
4211 "mutually exclusive");
4212 exit(EXIT_FAILURE);
4213 }
4214
4215 /* According to documentation and historically, -nographic redirects
4216 * serial port, parallel port and monitor to stdio, which does not work
4217 * with -daemonize. We can redirect these to null instead, but since
4218 * -nographic is legacy, let's just error out.
4219 * We disallow -nographic only if all other ports are not redirected
4220 * explicitly, to not break existing legacy setups which uses
4221 * -nographic _and_ redirects all ports explicitly - this is valid
4222 * usage, -nographic is just a no-op in this case.
4223 */
4224 if (nographic
4225 && (default_parallel || default_serial
4226 || default_monitor || default_virtcon)) {
4227 error_report("-nographic cannot be used with -daemonize");
4228 exit(1);
4229 }
4230 #ifdef CONFIG_CURSES
4231 if (dpy.type == DISPLAY_TYPE_CURSES) {
4232 error_report("curses display cannot be used with -daemonize");
4233 exit(1);
4234 }
4235 #endif
4236 }
4237
4238 if (nographic) {
4239 if (default_parallel)
4240 add_device_config(DEV_PARALLEL, "null");
4241 if (default_serial && default_monitor) {
4242 add_device_config(DEV_SERIAL, "mon:stdio");
4243 } else if (default_virtcon && default_monitor) {
4244 add_device_config(DEV_VIRTCON, "mon:stdio");
4245 } else {
4246 if (default_serial)
4247 add_device_config(DEV_SERIAL, "stdio");
4248 if (default_virtcon)
4249 add_device_config(DEV_VIRTCON, "stdio");
4250 if (default_monitor)
4251 monitor_parse("stdio", "readline", false);
4252 }
4253 } else {
4254 if (default_serial)
4255 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4256 if (default_parallel)
4257 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4258 if (default_monitor)
4259 monitor_parse("vc:80Cx24C", "readline", false);
4260 if (default_virtcon)
4261 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4262 }
4263
4264 #if defined(CONFIG_VNC)
4265 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4266 display_remote++;
4267 }
4268 #endif
4269 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4270 if (!qemu_display_find_default(&dpy)) {
4271 dpy.type = DISPLAY_TYPE_NONE;
4272 #if defined(CONFIG_VNC)
4273 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4274 #endif
4275 }
4276 }
4277 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4278 dpy.type = DISPLAY_TYPE_NONE;
4279 }
4280
4281 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4282 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4283 "for SDL, ignoring option");
4284 }
4285 if (dpy.has_window_close &&
4286 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4287 error_report("-no-quit is only valid for GTK and SDL, "
4288 "ignoring option");
4289 }
4290
4291 qemu_display_early_init(&dpy);
4292 qemu_console_early_init();
4293
4294 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4295 #if defined(CONFIG_OPENGL)
4296 error_report("OpenGL is not supported by the display");
4297 #else
4298 error_report("OpenGL support is disabled");
4299 #endif
4300 exit(1);
4301 }
4302
4303 page_size_init();
4304 socket_init();
4305
4306 qemu_opts_foreach(qemu_find_opts("object"),
4307 user_creatable_add_opts_foreach,
4308 object_create_initial, &error_fatal);
4309
4310 qemu_opts_foreach(qemu_find_opts("chardev"),
4311 chardev_init_func, NULL, &error_fatal);
4312
4313 #ifdef CONFIG_VIRTFS
4314 qemu_opts_foreach(qemu_find_opts("fsdev"),
4315 fsdev_init_func, NULL, &error_fatal);
4316 #endif
4317
4318 if (qemu_opts_foreach(qemu_find_opts("device"),
4319 device_help_func, NULL, NULL)) {
4320 exit(0);
4321 }
4322
4323 machine_opts = qemu_get_machine_opts();
4324 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4325 &error_fatal);
4326
4327 configure_accelerator(current_machine);
4328
4329 if (!qtest_enabled() && machine_class->deprecation_reason) {
4330 error_report("Machine type '%s' is deprecated: %s",
4331 machine_class->name, machine_class->deprecation_reason);
4332 }
4333
4334 /*
4335 * Register all the global properties, including accel properties,
4336 * machine properties, and user-specified ones.
4337 */
4338 register_global_properties(current_machine);
4339
4340 /*
4341 * Migration object can only be created after global properties
4342 * are applied correctly.
4343 */
4344 migration_object_init();
4345
4346 if (qtest_chrdev) {
4347 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4348 }
4349
4350 machine_opts = qemu_get_machine_opts();
4351 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4352 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4353 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4354 bios_name = qemu_opt_get(machine_opts, "firmware");
4355
4356 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4357 if (opts) {
4358 boot_order = qemu_opt_get(opts, "order");
4359 if (boot_order) {
4360 validate_bootdevices(boot_order, &error_fatal);
4361 }
4362
4363 boot_once = qemu_opt_get(opts, "once");
4364 if (boot_once) {
4365 validate_bootdevices(boot_once, &error_fatal);
4366 }
4367
4368 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4369 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4370 }
4371
4372 if (!boot_order) {
4373 boot_order = machine_class->default_boot_order;
4374 }
4375
4376 if (!kernel_cmdline) {
4377 kernel_cmdline = "";
4378 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4379 }
4380
4381 linux_boot = (kernel_filename != NULL);
4382
4383 if (!linux_boot && *kernel_cmdline != '\0') {
4384 error_report("-append only allowed with -kernel option");
4385 exit(1);
4386 }
4387
4388 if (!linux_boot && initrd_filename != NULL) {
4389 error_report("-initrd only allowed with -kernel option");
4390 exit(1);
4391 }
4392
4393 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4394 /* fall back to the -kernel/-append */
4395 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4396 }
4397
4398 os_set_line_buffering();
4399
4400 /* spice needs the timers to be initialized by this point */
4401 qemu_spice_init();
4402
4403 cpu_ticks_init();
4404 if (icount_opts) {
4405 if (!tcg_enabled()) {
4406 error_report("-icount is not allowed with hardware virtualization");
4407 exit(1);
4408 }
4409 configure_icount(icount_opts, &error_abort);
4410 qemu_opts_del(icount_opts);
4411 }
4412
4413 if (tcg_enabled()) {
4414 qemu_tcg_configure(accel_opts, &error_fatal);
4415 }
4416
4417 if (default_net) {
4418 QemuOptsList *net = qemu_find_opts("net");
4419 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4420 #ifdef CONFIG_SLIRP
4421 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4422 #endif
4423 }
4424
4425 if (net_init_clients(&err) < 0) {
4426 error_report_err(err);
4427 exit(1);
4428 }
4429
4430 qemu_opts_foreach(qemu_find_opts("object"),
4431 user_creatable_add_opts_foreach,
4432 object_create_delayed, &error_fatal);
4433
4434 tpm_init();
4435
4436 /* init the bluetooth world */
4437 if (foreach_device_config(DEV_BT, bt_parse))
4438 exit(1);
4439
4440 if (!xen_enabled()) {
4441 /* On 32-bit hosts, QEMU is limited by virtual address space */
4442 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4443 error_report("at most 2047 MB RAM can be simulated");
4444 exit(1);
4445 }
4446 }
4447
4448 blk_mig_init();
4449 ram_mig_init();
4450 dirty_bitmap_mig_init();
4451
4452 /* If the currently selected machine wishes to override the units-per-bus
4453 * property of its default HBA interface type, do so now. */
4454 if (machine_class->units_per_default_bus) {
4455 override_max_devs(machine_class->block_default_type,
4456 machine_class->units_per_default_bus);
4457 }
4458
4459 /* open the virtual block devices */
4460 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4461 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4462
4463 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4464 loc_push_restore(&bdo->loc);
4465 qmp_blockdev_add(bdo->bdo, &error_fatal);
4466 loc_pop(&bdo->loc);
4467 qapi_free_BlockdevOptions(bdo->bdo);
4468 g_free(bdo);
4469 }
4470 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4471 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4472 NULL, NULL);
4473 }
4474 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4475 &machine_class->block_default_type, &error_fatal)) {
4476 /* We printed help */
4477 exit(0);
4478 }
4479
4480 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4481 CDROM_OPTS);
4482 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4483 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4484
4485 qemu_opts_foreach(qemu_find_opts("mon"),
4486 mon_init_func, NULL, &error_fatal);
4487
4488 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4489 exit(1);
4490 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4491 exit(1);
4492 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4493 exit(1);
4494 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4495 exit(1);
4496
4497 /* If no default VGA is requested, the default is "none". */
4498 if (default_vga) {
4499 if (machine_class->default_display) {
4500 vga_model = machine_class->default_display;
4501 } else if (vga_interface_available(VGA_CIRRUS)) {
4502 vga_model = "cirrus";
4503 } else if (vga_interface_available(VGA_STD)) {
4504 vga_model = "std";
4505 }
4506 }
4507 if (vga_model) {
4508 select_vgahw(vga_model);
4509 }
4510
4511 if (watchdog) {
4512 i = select_watchdog(watchdog);
4513 if (i > 0)
4514 exit (i == 1 ? 1 : 0);
4515 }
4516
4517 /* This checkpoint is required by replay to separate prior clock
4518 reading from the other reads, because timer polling functions query
4519 clock values from the log. */
4520 replay_checkpoint(CHECKPOINT_INIT);
4521 qdev_machine_init();
4522
4523 current_machine->ram_size = ram_size;
4524 current_machine->maxram_size = maxram_size;
4525 current_machine->ram_slots = ram_slots;
4526 current_machine->boot_order = boot_order;
4527
4528 /* parse features once if machine provides default cpu_type */
4529 current_machine->cpu_type = machine_class->default_cpu_type;
4530 if (cpu_model) {
4531 current_machine->cpu_type = parse_cpu_model(cpu_model);
4532 }
4533 parse_numa_opts(current_machine);
4534
4535 /* do monitor/qmp handling at preconfig state if requested */
4536 main_loop();
4537
4538 /* from here on runstate is RUN_STATE_PRELAUNCH */
4539 machine_run_board_init(current_machine);
4540
4541 realtime_init();
4542
4543 soundhw_init();
4544
4545 if (hax_enabled()) {
4546 hax_sync_vcpus();
4547 }
4548
4549 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4550 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4551
4552 /* init USB devices */
4553 if (machine_usb(current_machine)) {
4554 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4555 exit(1);
4556 }
4557
4558 /* Check if IGD GFX passthrough. */
4559 igd_gfx_passthru();
4560
4561 /* init generic devices */
4562 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4563 qemu_opts_foreach(qemu_find_opts("device"),
4564 device_init_func, NULL, &error_fatal);
4565
4566 cpu_synchronize_all_post_init();
4567
4568 rom_reset_order_override();
4569
4570 /* Did we create any drives that we failed to create a device for? */
4571 drive_check_orphaned();
4572
4573 /* Don't warn about the default network setup that you get if
4574 * no command line -net or -netdev options are specified. There
4575 * are two cases that we would otherwise complain about:
4576 * (1) board doesn't support a NIC but the implicit "-net nic"
4577 * requested one
4578 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4579 * sets up a nic that isn't connected to anything.
4580 */
4581 if (!default_net && (!qtest_enabled() || has_defaults)) {
4582 net_check_clients();
4583 }
4584
4585 if (boot_once) {
4586 qemu_boot_set(boot_once, &error_fatal);
4587 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4588 }
4589
4590 /* init local displays */
4591 ds = init_displaystate();
4592 qemu_display_init(ds, &dpy);
4593
4594 /* must be after terminal init, SDL library changes signal handlers */
4595 os_setup_signal_handling();
4596
4597 /* init remote displays */
4598 #ifdef CONFIG_VNC
4599 qemu_opts_foreach(qemu_find_opts("vnc"),
4600 vnc_init_func, NULL, &error_fatal);
4601 #endif
4602
4603 if (using_spice) {
4604 qemu_spice_display_init();
4605 }
4606
4607 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4608 exit(1);
4609 }
4610
4611 qdev_machine_creation_done();
4612
4613 /* TODO: once all bus devices are qdevified, this should be done
4614 * when bus is created by qdev.c */
4615 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4616 qemu_run_machine_init_done_notifiers();
4617
4618 if (rom_check_and_register_reset() != 0) {
4619 error_report("rom check and register reset failed");
4620 exit(1);
4621 }
4622
4623 replay_start();
4624
4625 /* This checkpoint is required by replay to separate prior clock
4626 reading from the other reads, because timer polling functions query
4627 clock values from the log. */
4628 replay_checkpoint(CHECKPOINT_RESET);
4629 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4630 register_global_state();
4631 if (loadvm) {
4632 Error *local_err = NULL;
4633 if (load_snapshot(loadvm, &local_err) < 0) {
4634 error_report_err(local_err);
4635 autostart = 0;
4636 exit(1);
4637 }
4638 }
4639 if (replay_mode != REPLAY_MODE_NONE) {
4640 replay_vmstate_init();
4641 }
4642
4643 qdev_prop_check_globals();
4644 if (vmstate_dump_file) {
4645 /* dump and exit */
4646 dump_vmstate_json_to_file(vmstate_dump_file);
4647 return 0;
4648 }
4649
4650 if (incoming) {
4651 Error *local_err = NULL;
4652 qemu_start_incoming_migration(incoming, &local_err);
4653 if (local_err) {
4654 error_reportf_err(local_err, "-incoming %s: ", incoming);
4655 exit(1);
4656 }
4657 } else if (autostart) {
4658 vm_start();
4659 }
4660
4661 accel_setup_post(current_machine);
4662 os_setup_post();
4663
4664 main_loop();
4665
4666 gdbserver_cleanup();
4667
4668 /* No more vcpu or device emulation activity beyond this point */
4669 vm_shutdown();
4670
4671 job_cancel_sync_all();
4672 bdrv_close_all();
4673
4674 res_free();
4675
4676 /* vhost-user must be cleaned up before chardevs. */
4677 tpm_cleanup();
4678 net_cleanup();
4679 audio_cleanup();
4680 monitor_cleanup();
4681 qemu_chr_cleanup();
4682 user_creatable_cleanup();
4683 migration_object_finalize();
4684 /* TODO: unref root container, check all devices are ok */
4685
4686 return 0;
4687 }
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