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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
[qemu.git] / vl.c
blob55bab005b6316eb9a1a8a8c2db36be9d8d033fbb
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
133
134 #define MAX_VIRTIO_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int display_opengl;
141 const char* keyboard_layout = NULL;
142 ram_addr_t ram_size;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 bool enable_cpu_pm = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static enum {
151 RTC_BASE_UTC,
152 RTC_BASE_LOCALTIME,
153 RTC_BASE_DATETIME,
154 } rtc_base_type = RTC_BASE_UTC;
155 static time_t rtc_ref_start_datetime;
156 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
157 static int rtc_host_datetime_offset = -1; /* valid & used only with
158 RTC_BASE_DATETIME */
159 QEMUClockType rtc_clock;
160 int vga_interface_type = VGA_NONE;
161 static DisplayOptions dpy;
162 int no_frame;
163 static int num_serial_hds;
164 static Chardev **serial_hds;
165 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
166 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
167 int win2k_install_hack = 0;
168 int singlestep = 0;
169 int smp_cpus;
170 unsigned int max_cpus;
171 int smp_cores = 1;
172 int smp_threads = 1;
173 int acpi_enabled = 1;
174 int no_hpet = 0;
175 int fd_bootchk = 1;
176 static int no_reboot;
177 int no_shutdown = 0;
178 int cursor_hide = 1;
179 int graphic_rotate = 0;
180 const char *watchdog;
181 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
182 int nb_option_roms;
183 int old_param = 0;
184 const char *qemu_name;
185 int alt_grab = 0;
186 int ctrl_grab = 0;
187 unsigned int nb_prom_envs = 0;
188 const char *prom_envs[MAX_PROM_ENVS];
189 int boot_menu;
190 bool boot_strict;
191 uint8_t *boot_splash_filedata;
192 size_t boot_splash_filedata_size;
193 uint8_t qemu_extra_params_fw[2];
194
195 int icount_align_option;
196
197 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
198 * little-endian "wire format" described in the SMBIOS 2.6 specification.
199 */
200 QemuUUID qemu_uuid;
201 bool qemu_uuid_set;
202
203 static NotifierList exit_notifiers =
204 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
205
206 static NotifierList machine_init_done_notifiers =
207 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
208
209 bool xen_allowed;
210 uint32_t xen_domid;
211 enum xen_mode xen_mode = XEN_EMULATE;
212 bool xen_domid_restrict;
213
214 static int has_defaults = 1;
215 static int default_serial = 1;
216 static int default_parallel = 1;
217 static int default_virtcon = 1;
218 static int default_monitor = 1;
219 static int default_floppy = 1;
220 static int default_cdrom = 1;
221 static int default_sdcard = 1;
222 static int default_vga = 1;
223 static int default_net = 1;
224
225 static struct {
226 const char *driver;
227 int *flag;
228 } default_list[] = {
229 { .driver = "isa-serial", .flag = &default_serial },
230 { .driver = "isa-parallel", .flag = &default_parallel },
231 { .driver = "isa-fdc", .flag = &default_floppy },
232 { .driver = "floppy", .flag = &default_floppy },
233 { .driver = "ide-cd", .flag = &default_cdrom },
234 { .driver = "ide-hd", .flag = &default_cdrom },
235 { .driver = "ide-drive", .flag = &default_cdrom },
236 { .driver = "scsi-cd", .flag = &default_cdrom },
237 { .driver = "scsi-hd", .flag = &default_cdrom },
238 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
239 { .driver = "virtio-serial", .flag = &default_virtcon },
240 { .driver = "VGA", .flag = &default_vga },
241 { .driver = "isa-vga", .flag = &default_vga },
242 { .driver = "cirrus-vga", .flag = &default_vga },
243 { .driver = "isa-cirrus-vga", .flag = &default_vga },
244 { .driver = "vmware-svga", .flag = &default_vga },
245 { .driver = "qxl-vga", .flag = &default_vga },
246 { .driver = "virtio-vga", .flag = &default_vga },
247 };
248
249 static QemuOptsList qemu_rtc_opts = {
250 .name = "rtc",
251 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
252 .merge_lists = true,
253 .desc = {
254 {
255 .name = "base",
256 .type = QEMU_OPT_STRING,
257 },{
258 .name = "clock",
259 .type = QEMU_OPT_STRING,
260 },{
261 .name = "driftfix",
262 .type = QEMU_OPT_STRING,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_option_rom_opts = {
269 .name = "option-rom",
270 .implied_opt_name = "romfile",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
272 .desc = {
273 {
274 .name = "bootindex",
275 .type = QEMU_OPT_NUMBER,
276 }, {
277 .name = "romfile",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_machine_opts = {
285 .name = "machine",
286 .implied_opt_name = "type",
287 .merge_lists = true,
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
289 .desc = {
290 /*
291 * no elements => accept any
292 * sanity checking will happen later
293 * when setting machine properties
294 */
295 { }
296 },
297 };
298
299 static QemuOptsList qemu_accel_opts = {
300 .name = "accel",
301 .implied_opt_name = "accel",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
303 .merge_lists = true,
304 .desc = {
305 {
306 .name = "accel",
307 .type = QEMU_OPT_STRING,
308 .help = "Select the type of accelerator",
309 },
310 {
311 .name = "thread",
312 .type = QEMU_OPT_STRING,
313 .help = "Enable/disable multi-threaded TCG",
314 },
315 { /* end of list */ }
316 },
317 };
318
319 static QemuOptsList qemu_boot_opts = {
320 .name = "boot-opts",
321 .implied_opt_name = "order",
322 .merge_lists = true,
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
324 .desc = {
325 {
326 .name = "order",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "once",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "menu",
333 .type = QEMU_OPT_BOOL,
334 }, {
335 .name = "splash",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "splash-time",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "reboot-timeout",
342 .type = QEMU_OPT_STRING,
343 }, {
344 .name = "strict",
345 .type = QEMU_OPT_BOOL,
346 },
347 { /*End of list */ }
348 },
349 };
350
351 static QemuOptsList qemu_add_fd_opts = {
352 .name = "add-fd",
353 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
354 .desc = {
355 {
356 .name = "fd",
357 .type = QEMU_OPT_NUMBER,
358 .help = "file descriptor of which a duplicate is added to fd set",
359 },{
360 .name = "set",
361 .type = QEMU_OPT_NUMBER,
362 .help = "ID of the fd set to add fd to",
363 },{
364 .name = "opaque",
365 .type = QEMU_OPT_STRING,
366 .help = "free-form string used to describe fd",
367 },
368 { /* end of list */ }
369 },
370 };
371
372 static QemuOptsList qemu_object_opts = {
373 .name = "object",
374 .implied_opt_name = "qom-type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
376 .desc = {
377 { }
378 },
379 };
380
381 static QemuOptsList qemu_tpmdev_opts = {
382 .name = "tpmdev",
383 .implied_opt_name = "type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
385 .desc = {
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
388 },
389 };
390
391 static QemuOptsList qemu_realtime_opts = {
392 .name = "realtime",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
394 .desc = {
395 {
396 .name = "mlock",
397 .type = QEMU_OPT_BOOL,
398 },
399 { /* end of list */ }
400 },
401 };
402
403 static QemuOptsList qemu_overcommit_opts = {
404 .name = "overcommit",
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
406 .desc = {
407 {
408 .name = "mem-lock",
409 .type = QEMU_OPT_BOOL,
410 },
411 {
412 .name = "cpu-pm",
413 .type = QEMU_OPT_BOOL,
414 },
415 { /* end of list */ }
416 },
417 };
418
419 static QemuOptsList qemu_msg_opts = {
420 .name = "msg",
421 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
422 .desc = {
423 {
424 .name = "timestamp",
425 .type = QEMU_OPT_BOOL,
426 },
427 { /* end of list */ }
428 },
429 };
430
431 static QemuOptsList qemu_name_opts = {
432 .name = "name",
433 .implied_opt_name = "guest",
434 .merge_lists = true,
435 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
436 .desc = {
437 {
438 .name = "guest",
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the guest.\n"
441 "This name will be displayed in the SDL window caption.\n"
442 "The name will also be used for the VNC server",
443 }, {
444 .name = "process",
445 .type = QEMU_OPT_STRING,
446 .help = "Sets the name of the QEMU process, as shown in top etc",
447 }, {
448 .name = "debug-threads",
449 .type = QEMU_OPT_BOOL,
450 .help = "When enabled, name the individual threads; defaults off.\n"
451 "NOTE: The thread names are for debugging and not a\n"
452 "stable API.",
453 },
454 { /* End of list */ }
455 },
456 };
457
458 static QemuOptsList qemu_mem_opts = {
459 .name = "memory",
460 .implied_opt_name = "size",
461 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
462 .merge_lists = true,
463 .desc = {
464 {
465 .name = "size",
466 .type = QEMU_OPT_SIZE,
467 },
468 {
469 .name = "slots",
470 .type = QEMU_OPT_NUMBER,
471 },
472 {
473 .name = "maxmem",
474 .type = QEMU_OPT_SIZE,
475 },
476 { /* end of list */ }
477 },
478 };
479
480 static QemuOptsList qemu_icount_opts = {
481 .name = "icount",
482 .implied_opt_name = "shift",
483 .merge_lists = true,
484 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
485 .desc = {
486 {
487 .name = "shift",
488 .type = QEMU_OPT_STRING,
489 }, {
490 .name = "align",
491 .type = QEMU_OPT_BOOL,
492 }, {
493 .name = "sleep",
494 .type = QEMU_OPT_BOOL,
495 }, {
496 .name = "rr",
497 .type = QEMU_OPT_STRING,
498 }, {
499 .name = "rrfile",
500 .type = QEMU_OPT_STRING,
501 }, {
502 .name = "rrsnapshot",
503 .type = QEMU_OPT_STRING,
504 },
505 { /* end of list */ }
506 },
507 };
508
509 static QemuOptsList qemu_semihosting_config_opts = {
510 .name = "semihosting-config",
511 .implied_opt_name = "enable",
512 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
513 .desc = {
514 {
515 .name = "enable",
516 .type = QEMU_OPT_BOOL,
517 }, {
518 .name = "target",
519 .type = QEMU_OPT_STRING,
520 }, {
521 .name = "arg",
522 .type = QEMU_OPT_STRING,
523 },
524 { /* end of list */ }
525 },
526 };
527
528 static QemuOptsList qemu_fw_cfg_opts = {
529 .name = "fw_cfg",
530 .implied_opt_name = "name",
531 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
532 .desc = {
533 {
534 .name = "name",
535 .type = QEMU_OPT_STRING,
536 .help = "Sets the fw_cfg name of the blob to be inserted",
537 }, {
538 .name = "file",
539 .type = QEMU_OPT_STRING,
540 .help = "Sets the name of the file from which "
541 "the fw_cfg blob will be loaded",
542 }, {
543 .name = "string",
544 .type = QEMU_OPT_STRING,
545 .help = "Sets content of the blob to be inserted from a string",
546 },
547 { /* end of list */ }
548 },
549 };
550
551 /**
552 * Get machine options
553 *
554 * Returns: machine options (never null).
555 */
556 QemuOpts *qemu_get_machine_opts(void)
557 {
558 return qemu_find_opts_singleton("machine");
559 }
560
561 const char *qemu_get_vm_name(void)
562 {
563 return qemu_name;
564 }
565
566 static void res_free(void)
567 {
568 g_free(boot_splash_filedata);
569 boot_splash_filedata = NULL;
570 }
571
572 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
573 {
574 const char *driver = qemu_opt_get(opts, "driver");
575 int i;
576
577 if (!driver)
578 return 0;
579 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
580 if (strcmp(default_list[i].driver, driver) != 0)
581 continue;
582 *(default_list[i].flag) = 0;
583 }
584 return 0;
585 }
586
587 /***********************************************************/
588 /* QEMU state */
589
590 static RunState current_run_state = RUN_STATE_PRECONFIG;
591
592 /* We use RUN_STATE__MAX but any invalid value will do */
593 static RunState vmstop_requested = RUN_STATE__MAX;
594 static QemuMutex vmstop_lock;
595
596 typedef struct {
597 RunState from;
598 RunState to;
599 } RunStateTransition;
600
601 static const RunStateTransition runstate_transitions_def[] = {
602 /* from -> to */
603 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
604 /* Early switch to inmigrate state to allow -incoming CLI option work
605 * as it used to. TODO: delay actual switching to inmigrate state to
606 * the point after machine is built and remove this hack.
607 */
608 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
609
610 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
611 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
613
614 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
615 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
617 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
620 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
621 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
626
627 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
630
631 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
632 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
634
635 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
636 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
638 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
639 { RUN_STATE_PAUSED, RUN_STATE_COLO},
640
641 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
644
645 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
646 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
648
649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
654
655 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
656 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
657
658 { RUN_STATE_COLO, RUN_STATE_RUNNING },
659
660 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
661 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
662 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
664 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
666 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
668 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
669 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
670 { RUN_STATE_RUNNING, RUN_STATE_COLO},
671
672 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
673
674 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
675 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
677
678 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
679 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
680 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
681 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
683 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
684
685 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
686 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
687 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
688 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
689
690 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
693
694 { RUN_STATE__MAX, RUN_STATE__MAX },
695 };
696
697 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
698
699 bool runstate_check(RunState state)
700 {
701 return current_run_state == state;
702 }
703
704 bool runstate_store(char *str, size_t size)
705 {
706 const char *state = RunState_str(current_run_state);
707 size_t len = strlen(state) + 1;
708
709 if (len > size) {
710 return false;
711 }
712 memcpy(str, state, len);
713 return true;
714 }
715
716 static void runstate_init(void)
717 {
718 const RunStateTransition *p;
719
720 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
721 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
722 runstate_valid_transitions[p->from][p->to] = true;
723 }
724
725 qemu_mutex_init(&vmstop_lock);
726 }
727
728 /* This function will abort() on invalid state transitions */
729 void runstate_set(RunState new_state)
730 {
731 assert(new_state < RUN_STATE__MAX);
732
733 if (current_run_state == new_state) {
734 return;
735 }
736
737 if (!runstate_valid_transitions[current_run_state][new_state]) {
738 error_report("invalid runstate transition: '%s' -> '%s'",
739 RunState_str(current_run_state),
740 RunState_str(new_state));
741 abort();
742 }
743 trace_runstate_set(new_state);
744 current_run_state = new_state;
745 }
746
747 int runstate_is_running(void)
748 {
749 return runstate_check(RUN_STATE_RUNNING);
750 }
751
752 bool runstate_needs_reset(void)
753 {
754 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
755 runstate_check(RUN_STATE_SHUTDOWN);
756 }
757
758 StatusInfo *qmp_query_status(Error **errp)
759 {
760 StatusInfo *info = g_malloc0(sizeof(*info));
761
762 info->running = runstate_is_running();
763 info->singlestep = singlestep;
764 info->status = current_run_state;
765
766 return info;
767 }
768
769 bool qemu_vmstop_requested(RunState *r)
770 {
771 qemu_mutex_lock(&vmstop_lock);
772 *r = vmstop_requested;
773 vmstop_requested = RUN_STATE__MAX;
774 qemu_mutex_unlock(&vmstop_lock);
775 return *r < RUN_STATE__MAX;
776 }
777
778 void qemu_system_vmstop_request_prepare(void)
779 {
780 qemu_mutex_lock(&vmstop_lock);
781 }
782
783 void qemu_system_vmstop_request(RunState state)
784 {
785 vmstop_requested = state;
786 qemu_mutex_unlock(&vmstop_lock);
787 qemu_notify_event();
788 }
789
790 /***********************************************************/
791 /* RTC reference time/date access */
792 static time_t qemu_ref_timedate(QEMUClockType clock)
793 {
794 time_t value = qemu_clock_get_ms(clock) / 1000;
795 switch (clock) {
796 case QEMU_CLOCK_REALTIME:
797 value -= rtc_realtime_clock_offset;
798 /* no break */
799 case QEMU_CLOCK_VIRTUAL:
800 value += rtc_ref_start_datetime;
801 break;
802 case QEMU_CLOCK_HOST:
803 if (rtc_base_type == RTC_BASE_DATETIME) {
804 value -= rtc_host_datetime_offset;
805 }
806 break;
807 default:
808 assert(0);
809 }
810 return value;
811 }
812
813 void qemu_get_timedate(struct tm *tm, int offset)
814 {
815 time_t ti = qemu_ref_timedate(rtc_clock);
816
817 ti += offset;
818
819 switch (rtc_base_type) {
820 case RTC_BASE_DATETIME:
821 case RTC_BASE_UTC:
822 gmtime_r(&ti, tm);
823 break;
824 case RTC_BASE_LOCALTIME:
825 localtime_r(&ti, tm);
826 break;
827 }
828 }
829
830 int qemu_timedate_diff(struct tm *tm)
831 {
832 time_t seconds;
833
834 switch (rtc_base_type) {
835 case RTC_BASE_DATETIME:
836 case RTC_BASE_UTC:
837 seconds = mktimegm(tm);
838 break;
839 case RTC_BASE_LOCALTIME:
840 {
841 struct tm tmp = *tm;
842 tmp.tm_isdst = -1; /* use timezone to figure it out */
843 seconds = mktime(&tmp);
844 break;
845 }
846 default:
847 abort();
848 }
849
850 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
851 }
852
853 static void configure_rtc_base_datetime(const char *startdate)
854 {
855 time_t rtc_start_datetime;
856 struct tm tm;
857
858 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
859 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
860 /* OK */
861 } else if (sscanf(startdate, "%d-%d-%d",
862 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
863 tm.tm_hour = 0;
864 tm.tm_min = 0;
865 tm.tm_sec = 0;
866 } else {
867 goto date_fail;
868 }
869 tm.tm_year -= 1900;
870 tm.tm_mon--;
871 rtc_start_datetime = mktimegm(&tm);
872 if (rtc_start_datetime == -1) {
873 date_fail:
874 error_report("invalid datetime format");
875 error_printf("valid formats: "
876 "'2006-06-17T16:01:21' or '2006-06-17'\n");
877 exit(1);
878 }
879 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
880 rtc_ref_start_datetime = rtc_start_datetime;
881 }
882
883 static void configure_rtc(QemuOpts *opts)
884 {
885 const char *value;
886
887 /* Set defaults */
888 rtc_clock = QEMU_CLOCK_HOST;
889 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
890 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
891
892 value = qemu_opt_get(opts, "base");
893 if (value) {
894 if (!strcmp(value, "utc")) {
895 rtc_base_type = RTC_BASE_UTC;
896 } else if (!strcmp(value, "localtime")) {
897 Error *blocker = NULL;
898 rtc_base_type = RTC_BASE_LOCALTIME;
899 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
900 "-rtc base=localtime");
901 replay_add_blocker(blocker);
902 } else {
903 rtc_base_type = RTC_BASE_DATETIME;
904 configure_rtc_base_datetime(value);
905 }
906 }
907 value = qemu_opt_get(opts, "clock");
908 if (value) {
909 if (!strcmp(value, "host")) {
910 rtc_clock = QEMU_CLOCK_HOST;
911 } else if (!strcmp(value, "rt")) {
912 rtc_clock = QEMU_CLOCK_REALTIME;
913 } else if (!strcmp(value, "vm")) {
914 rtc_clock = QEMU_CLOCK_VIRTUAL;
915 } else {
916 error_report("invalid option value '%s'", value);
917 exit(1);
918 }
919 }
920 value = qemu_opt_get(opts, "driftfix");
921 if (value) {
922 if (!strcmp(value, "slew")) {
923 static GlobalProperty slew_lost_ticks = {
924 .driver = "mc146818rtc",
925 .property = "lost_tick_policy",
926 .value = "slew",
927 };
928
929 qdev_prop_register_global(&slew_lost_ticks);
930 } else if (!strcmp(value, "none")) {
931 /* discard is default */
932 } else {
933 error_report("invalid option value '%s'", value);
934 exit(1);
935 }
936 }
937 }
938
939 /***********************************************************/
940 /* Bluetooth support */
941 static int nb_hcis;
942 static int cur_hci;
943 static struct HCIInfo *hci_table[MAX_NICS];
944
945 struct HCIInfo *qemu_next_hci(void)
946 {
947 if (cur_hci == nb_hcis)
948 return &null_hci;
949
950 return hci_table[cur_hci++];
951 }
952
953 static int bt_hci_parse(const char *str)
954 {
955 struct HCIInfo *hci;
956 bdaddr_t bdaddr;
957
958 if (nb_hcis >= MAX_NICS) {
959 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
960 return -1;
961 }
962
963 hci = hci_init(str);
964 if (!hci)
965 return -1;
966
967 bdaddr.b[0] = 0x52;
968 bdaddr.b[1] = 0x54;
969 bdaddr.b[2] = 0x00;
970 bdaddr.b[3] = 0x12;
971 bdaddr.b[4] = 0x34;
972 bdaddr.b[5] = 0x56 + nb_hcis;
973 hci->bdaddr_set(hci, bdaddr.b);
974
975 hci_table[nb_hcis++] = hci;
976
977 return 0;
978 }
979
980 static void bt_vhci_add(int vlan_id)
981 {
982 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
983
984 if (!vlan->slave)
985 warn_report("adding a VHCI to an empty scatternet %i",
986 vlan_id);
987
988 bt_vhci_init(bt_new_hci(vlan));
989 }
990
991 static struct bt_device_s *bt_device_add(const char *opt)
992 {
993 struct bt_scatternet_s *vlan;
994 int vlan_id = 0;
995 char *endp = strstr(opt, ",vlan=");
996 int len = (endp ? endp - opt : strlen(opt)) + 1;
997 char devname[10];
998
999 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1000
1001 if (endp) {
1002 vlan_id = strtol(endp + 6, &endp, 0);
1003 if (*endp) {
1004 error_report("unrecognised bluetooth vlan Id");
1005 return 0;
1006 }
1007 }
1008
1009 vlan = qemu_find_bt_vlan(vlan_id);
1010
1011 if (!vlan->slave)
1012 warn_report("adding a slave device to an empty scatternet %i",
1013 vlan_id);
1014
1015 if (!strcmp(devname, "keyboard"))
1016 return bt_keyboard_init(vlan);
1017
1018 error_report("unsupported bluetooth device '%s'", devname);
1019 return 0;
1020 }
1021
1022 static int bt_parse(const char *opt)
1023 {
1024 const char *endp, *p;
1025 int vlan;
1026
1027 if (strstart(opt, "hci", &endp)) {
1028 if (!*endp || *endp == ',') {
1029 if (*endp)
1030 if (!strstart(endp, ",vlan=", 0))
1031 opt = endp + 1;
1032
1033 return bt_hci_parse(opt);
1034 }
1035 } else if (strstart(opt, "vhci", &endp)) {
1036 if (!*endp || *endp == ',') {
1037 if (*endp) {
1038 if (strstart(endp, ",vlan=", &p)) {
1039 vlan = strtol(p, (char **) &endp, 0);
1040 if (*endp) {
1041 error_report("bad scatternet '%s'", p);
1042 return 1;
1043 }
1044 } else {
1045 error_report("bad parameter '%s'", endp + 1);
1046 return 1;
1047 }
1048 } else
1049 vlan = 0;
1050
1051 bt_vhci_add(vlan);
1052 return 0;
1053 }
1054 } else if (strstart(opt, "device:", &endp))
1055 return !bt_device_add(endp);
1056
1057 error_report("bad bluetooth parameter '%s'", opt);
1058 return 1;
1059 }
1060
1061 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1062 {
1063 const char *proc_name;
1064
1065 if (qemu_opt_get(opts, "debug-threads")) {
1066 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1067 }
1068 qemu_name = qemu_opt_get(opts, "guest");
1069
1070 proc_name = qemu_opt_get(opts, "process");
1071 if (proc_name) {
1072 os_set_proc_name(proc_name);
1073 }
1074
1075 return 0;
1076 }
1077
1078 bool defaults_enabled(void)
1079 {
1080 return has_defaults;
1081 }
1082
1083 #ifndef _WIN32
1084 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1085 {
1086 int fd, dupfd, flags;
1087 int64_t fdset_id;
1088 const char *fd_opaque = NULL;
1089 AddfdInfo *fdinfo;
1090
1091 fd = qemu_opt_get_number(opts, "fd", -1);
1092 fdset_id = qemu_opt_get_number(opts, "set", -1);
1093 fd_opaque = qemu_opt_get(opts, "opaque");
1094
1095 if (fd < 0) {
1096 error_setg(errp, "fd option is required and must be non-negative");
1097 return -1;
1098 }
1099
1100 if (fd <= STDERR_FILENO) {
1101 error_setg(errp, "fd cannot be a standard I/O stream");
1102 return -1;
1103 }
1104
1105 /*
1106 * All fds inherited across exec() necessarily have FD_CLOEXEC
1107 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1108 */
1109 flags = fcntl(fd, F_GETFD);
1110 if (flags == -1 || (flags & FD_CLOEXEC)) {
1111 error_setg(errp, "fd is not valid or already in use");
1112 return -1;
1113 }
1114
1115 if (fdset_id < 0) {
1116 error_setg(errp, "set option is required and must be non-negative");
1117 return -1;
1118 }
1119
1120 #ifdef F_DUPFD_CLOEXEC
1121 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1122 #else
1123 dupfd = dup(fd);
1124 if (dupfd != -1) {
1125 qemu_set_cloexec(dupfd);
1126 }
1127 #endif
1128 if (dupfd == -1) {
1129 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1130 return -1;
1131 }
1132
1133 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1134 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1135 &error_abort);
1136 g_free(fdinfo);
1137
1138 return 0;
1139 }
1140
1141 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1142 {
1143 int fd;
1144
1145 fd = qemu_opt_get_number(opts, "fd", -1);
1146 close(fd);
1147
1148 return 0;
1149 }
1150 #endif
1151
1152 /***********************************************************/
1153 /* QEMU Block devices */
1154
1155 #define HD_OPTS "media=disk"
1156 #define CDROM_OPTS "media=cdrom"
1157 #define FD_OPTS ""
1158 #define PFLASH_OPTS ""
1159 #define MTD_OPTS ""
1160 #define SD_OPTS ""
1161
1162 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1163 {
1164 BlockInterfaceType *block_default_type = opaque;
1165
1166 return drive_new(opts, *block_default_type, errp) == NULL;
1167 }
1168
1169 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1170 {
1171 if (qemu_opt_get(opts, "snapshot") == NULL) {
1172 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1173 }
1174 return 0;
1175 }
1176
1177 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1178 int index, const char *optstr)
1179 {
1180 QemuOpts *opts;
1181 DriveInfo *dinfo;
1182
1183 if (!enable || drive_get_by_index(type, index)) {
1184 return;
1185 }
1186
1187 opts = drive_add(type, index, NULL, optstr);
1188 if (snapshot) {
1189 drive_enable_snapshot(NULL, opts, NULL);
1190 }
1191
1192 dinfo = drive_new(opts, type, &error_abort);
1193 dinfo->is_default = true;
1194
1195 }
1196
1197 static QemuOptsList qemu_smp_opts = {
1198 .name = "smp-opts",
1199 .implied_opt_name = "cpus",
1200 .merge_lists = true,
1201 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1202 .desc = {
1203 {
1204 .name = "cpus",
1205 .type = QEMU_OPT_NUMBER,
1206 }, {
1207 .name = "sockets",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "cores",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "threads",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "maxcpus",
1217 .type = QEMU_OPT_NUMBER,
1218 },
1219 { /*End of list */ }
1220 },
1221 };
1222
1223 static void smp_parse(QemuOpts *opts)
1224 {
1225 if (opts) {
1226 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1227 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1228 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1229 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1230
1231 /* compute missing values, prefer sockets over cores over threads */
1232 if (cpus == 0 || sockets == 0) {
1233 cores = cores > 0 ? cores : 1;
1234 threads = threads > 0 ? threads : 1;
1235 if (cpus == 0) {
1236 sockets = sockets > 0 ? sockets : 1;
1237 cpus = cores * threads * sockets;
1238 } else {
1239 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1240 sockets = max_cpus / (cores * threads);
1241 }
1242 } else if (cores == 0) {
1243 threads = threads > 0 ? threads : 1;
1244 cores = cpus / (sockets * threads);
1245 cores = cores > 0 ? cores : 1;
1246 } else if (threads == 0) {
1247 threads = cpus / (cores * sockets);
1248 threads = threads > 0 ? threads : 1;
1249 } else if (sockets * cores * threads < cpus) {
1250 error_report("cpu topology: "
1251 "sockets (%u) * cores (%u) * threads (%u) < "
1252 "smp_cpus (%u)",
1253 sockets, cores, threads, cpus);
1254 exit(1);
1255 }
1256
1257 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1258
1259 if (max_cpus < cpus) {
1260 error_report("maxcpus must be equal to or greater than smp");
1261 exit(1);
1262 }
1263
1264 if (sockets * cores * threads > max_cpus) {
1265 error_report("cpu topology: "
1266 "sockets (%u) * cores (%u) * threads (%u) > "
1267 "maxcpus (%u)",
1268 sockets, cores, threads, max_cpus);
1269 exit(1);
1270 }
1271
1272 if (sockets * cores * threads != max_cpus) {
1273 warn_report("Invalid CPU topology deprecated: "
1274 "sockets (%u) * cores (%u) * threads (%u) "
1275 "!= maxcpus (%u)",
1276 sockets, cores, threads, max_cpus);
1277 }
1278
1279 smp_cpus = cpus;
1280 smp_cores = cores;
1281 smp_threads = threads;
1282 }
1283
1284 if (smp_cpus > 1) {
1285 Error *blocker = NULL;
1286 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1287 replay_add_blocker(blocker);
1288 }
1289 }
1290
1291 static void realtime_init(void)
1292 {
1293 if (enable_mlock) {
1294 if (os_mlock() < 0) {
1295 error_report("locking memory failed");
1296 exit(1);
1297 }
1298 }
1299 }
1300
1301
1302 static void configure_msg(QemuOpts *opts)
1303 {
1304 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1305 }
1306
1307 /***********************************************************/
1308 /* Semihosting */
1309
1310 typedef struct SemihostingConfig {
1311 bool enabled;
1312 SemihostingTarget target;
1313 const char **argv;
1314 int argc;
1315 const char *cmdline; /* concatenated argv */
1316 } SemihostingConfig;
1317
1318 static SemihostingConfig semihosting;
1319
1320 bool semihosting_enabled(void)
1321 {
1322 return semihosting.enabled;
1323 }
1324
1325 SemihostingTarget semihosting_get_target(void)
1326 {
1327 return semihosting.target;
1328 }
1329
1330 const char *semihosting_get_arg(int i)
1331 {
1332 if (i >= semihosting.argc) {
1333 return NULL;
1334 }
1335 return semihosting.argv[i];
1336 }
1337
1338 int semihosting_get_argc(void)
1339 {
1340 return semihosting.argc;
1341 }
1342
1343 const char *semihosting_get_cmdline(void)
1344 {
1345 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1346 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1347 }
1348 return semihosting.cmdline;
1349 }
1350
1351 static int add_semihosting_arg(void *opaque,
1352 const char *name, const char *val,
1353 Error **errp)
1354 {
1355 SemihostingConfig *s = opaque;
1356 if (strcmp(name, "arg") == 0) {
1357 s->argc++;
1358 /* one extra element as g_strjoinv() expects NULL-terminated array */
1359 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1360 s->argv[s->argc - 1] = val;
1361 s->argv[s->argc] = NULL;
1362 }
1363 return 0;
1364 }
1365
1366 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1367 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1368 {
1369 char *cmd_token;
1370
1371 /* argv[0] */
1372 add_semihosting_arg(&semihosting, "arg", file, NULL);
1373
1374 /* split -append and initialize argv[1..n] */
1375 cmd_token = strtok(g_strdup(cmd), " ");
1376 while (cmd_token) {
1377 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1378 cmd_token = strtok(NULL, " ");
1379 }
1380 }
1381
1382 /* Now we still need this for compatibility with XEN. */
1383 bool has_igd_gfx_passthru;
1384 static void igd_gfx_passthru(void)
1385 {
1386 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1387 }
1388
1389 /***********************************************************/
1390 /* USB devices */
1391
1392 static int usb_device_add(const char *devname)
1393 {
1394 USBDevice *dev = NULL;
1395
1396 if (!machine_usb(current_machine)) {
1397 return -1;
1398 }
1399
1400 dev = usbdevice_create(devname);
1401 if (!dev)
1402 return -1;
1403
1404 return 0;
1405 }
1406
1407 static int usb_parse(const char *cmdline)
1408 {
1409 int r;
1410 r = usb_device_add(cmdline);
1411 if (r < 0) {
1412 error_report("could not add USB device '%s'", cmdline);
1413 }
1414 return r;
1415 }
1416
1417 /***********************************************************/
1418 /* machine registration */
1419
1420 MachineState *current_machine;
1421
1422 static MachineClass *find_machine(const char *name)
1423 {
1424 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1425 MachineClass *mc = NULL;
1426
1427 for (el = machines; el; el = el->next) {
1428 MachineClass *temp = el->data;
1429
1430 if (!strcmp(temp->name, name)) {
1431 mc = temp;
1432 break;
1433 }
1434 if (temp->alias &&
1435 !strcmp(temp->alias, name)) {
1436 mc = temp;
1437 break;
1438 }
1439 }
1440
1441 g_slist_free(machines);
1442 return mc;
1443 }
1444
1445 MachineClass *find_default_machine(void)
1446 {
1447 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1448 MachineClass *mc = NULL;
1449
1450 for (el = machines; el; el = el->next) {
1451 MachineClass *temp = el->data;
1452
1453 if (temp->is_default) {
1454 mc = temp;
1455 break;
1456 }
1457 }
1458
1459 g_slist_free(machines);
1460 return mc;
1461 }
1462
1463 MachineInfoList *qmp_query_machines(Error **errp)
1464 {
1465 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1466 MachineInfoList *mach_list = NULL;
1467
1468 for (el = machines; el; el = el->next) {
1469 MachineClass *mc = el->data;
1470 MachineInfoList *entry;
1471 MachineInfo *info;
1472
1473 info = g_malloc0(sizeof(*info));
1474 if (mc->is_default) {
1475 info->has_is_default = true;
1476 info->is_default = true;
1477 }
1478
1479 if (mc->alias) {
1480 info->has_alias = true;
1481 info->alias = g_strdup(mc->alias);
1482 }
1483
1484 info->name = g_strdup(mc->name);
1485 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1486 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1487
1488 entry = g_malloc0(sizeof(*entry));
1489 entry->value = info;
1490 entry->next = mach_list;
1491 mach_list = entry;
1492 }
1493
1494 g_slist_free(machines);
1495 return mach_list;
1496 }
1497
1498 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1499 {
1500 ObjectProperty *prop;
1501 ObjectPropertyIterator iter;
1502
1503 if (!qemu_opt_has_help_opt(opts)) {
1504 return 0;
1505 }
1506
1507 object_property_iter_init(&iter, OBJECT(machine));
1508 while ((prop = object_property_iter_next(&iter))) {
1509 if (!prop->set) {
1510 continue;
1511 }
1512
1513 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1514 prop->name, prop->type);
1515 if (prop->description) {
1516 error_printf(" (%s)\n", prop->description);
1517 } else {
1518 error_printf("\n");
1519 }
1520 }
1521
1522 return 1;
1523 }
1524
1525 /***********************************************************/
1526 /* main execution loop */
1527
1528 struct vm_change_state_entry {
1529 VMChangeStateHandler *cb;
1530 void *opaque;
1531 QLIST_ENTRY (vm_change_state_entry) entries;
1532 };
1533
1534 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1535
1536 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1537 void *opaque)
1538 {
1539 VMChangeStateEntry *e;
1540
1541 e = g_malloc0(sizeof (*e));
1542
1543 e->cb = cb;
1544 e->opaque = opaque;
1545 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1546 return e;
1547 }
1548
1549 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1550 {
1551 QLIST_REMOVE (e, entries);
1552 g_free (e);
1553 }
1554
1555 void vm_state_notify(int running, RunState state)
1556 {
1557 VMChangeStateEntry *e, *next;
1558
1559 trace_vm_state_notify(running, state);
1560
1561 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1562 e->cb(e->opaque, running, state);
1563 }
1564 }
1565
1566 static ShutdownCause reset_requested;
1567 static ShutdownCause shutdown_requested;
1568 static int shutdown_signal;
1569 static pid_t shutdown_pid;
1570 static int powerdown_requested;
1571 static int debug_requested;
1572 static int suspend_requested;
1573 static bool preconfig_exit_requested = true;
1574 static WakeupReason wakeup_reason;
1575 static NotifierList powerdown_notifiers =
1576 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1577 static NotifierList suspend_notifiers =
1578 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1579 static NotifierList wakeup_notifiers =
1580 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1581 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1582
1583 ShutdownCause qemu_shutdown_requested_get(void)
1584 {
1585 return shutdown_requested;
1586 }
1587
1588 ShutdownCause qemu_reset_requested_get(void)
1589 {
1590 return reset_requested;
1591 }
1592
1593 static int qemu_shutdown_requested(void)
1594 {
1595 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1596 }
1597
1598 static void qemu_kill_report(void)
1599 {
1600 if (!qtest_driver() && shutdown_signal) {
1601 if (shutdown_pid == 0) {
1602 /* This happens for eg ^C at the terminal, so it's worth
1603 * avoiding printing an odd message in that case.
1604 */
1605 error_report("terminating on signal %d", shutdown_signal);
1606 } else {
1607 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1608
1609 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1610 shutdown_signal, shutdown_pid,
1611 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1612 g_free(shutdown_cmd);
1613 }
1614 shutdown_signal = 0;
1615 }
1616 }
1617
1618 static ShutdownCause qemu_reset_requested(void)
1619 {
1620 ShutdownCause r = reset_requested;
1621
1622 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1623 reset_requested = SHUTDOWN_CAUSE_NONE;
1624 return r;
1625 }
1626 return SHUTDOWN_CAUSE_NONE;
1627 }
1628
1629 static int qemu_suspend_requested(void)
1630 {
1631 int r = suspend_requested;
1632 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1633 suspend_requested = 0;
1634 return r;
1635 }
1636 return false;
1637 }
1638
1639 static WakeupReason qemu_wakeup_requested(void)
1640 {
1641 return wakeup_reason;
1642 }
1643
1644 static int qemu_powerdown_requested(void)
1645 {
1646 int r = powerdown_requested;
1647 powerdown_requested = 0;
1648 return r;
1649 }
1650
1651 static int qemu_debug_requested(void)
1652 {
1653 int r = debug_requested;
1654 debug_requested = 0;
1655 return r;
1656 }
1657
1658 void qemu_exit_preconfig_request(void)
1659 {
1660 preconfig_exit_requested = true;
1661 }
1662
1663 /*
1664 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1665 */
1666 void qemu_system_reset(ShutdownCause reason)
1667 {
1668 MachineClass *mc;
1669
1670 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1671
1672 cpu_synchronize_all_states();
1673
1674 if (mc && mc->reset) {
1675 mc->reset();
1676 } else {
1677 qemu_devices_reset();
1678 }
1679 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1680 qapi_event_send_reset(shutdown_caused_by_guest(reason));
1681 }
1682 cpu_synchronize_all_post_reset();
1683 }
1684
1685 void qemu_system_guest_panicked(GuestPanicInformation *info)
1686 {
1687 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1688
1689 if (current_cpu) {
1690 current_cpu->crash_occurred = true;
1691 }
1692 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1693 !!info, info);
1694 vm_stop(RUN_STATE_GUEST_PANICKED);
1695 if (!no_shutdown) {
1696 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1697 !!info, info);
1698 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1699 }
1700
1701 if (info) {
1702 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1703 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1704 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1705 info->u.hyper_v.arg1,
1706 info->u.hyper_v.arg2,
1707 info->u.hyper_v.arg3,
1708 info->u.hyper_v.arg4,
1709 info->u.hyper_v.arg5);
1710 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1711 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1712 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1713 info->u.s390.core,
1714 S390CrashReason_str(info->u.s390.reason),
1715 info->u.s390.psw_mask,
1716 info->u.s390.psw_addr);
1717 }
1718 qapi_free_GuestPanicInformation(info);
1719 }
1720 }
1721
1722 void qemu_system_reset_request(ShutdownCause reason)
1723 {
1724 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1725 shutdown_requested = reason;
1726 } else {
1727 reset_requested = reason;
1728 }
1729 cpu_stop_current();
1730 qemu_notify_event();
1731 }
1732
1733 static void qemu_system_suspend(void)
1734 {
1735 pause_all_vcpus();
1736 notifier_list_notify(&suspend_notifiers, NULL);
1737 runstate_set(RUN_STATE_SUSPENDED);
1738 qapi_event_send_suspend();
1739 }
1740
1741 void qemu_system_suspend_request(void)
1742 {
1743 if (runstate_check(RUN_STATE_SUSPENDED)) {
1744 return;
1745 }
1746 suspend_requested = 1;
1747 cpu_stop_current();
1748 qemu_notify_event();
1749 }
1750
1751 void qemu_register_suspend_notifier(Notifier *notifier)
1752 {
1753 notifier_list_add(&suspend_notifiers, notifier);
1754 }
1755
1756 void qemu_system_wakeup_request(WakeupReason reason)
1757 {
1758 trace_system_wakeup_request(reason);
1759
1760 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1761 return;
1762 }
1763 if (!(wakeup_reason_mask & (1 << reason))) {
1764 return;
1765 }
1766 runstate_set(RUN_STATE_RUNNING);
1767 wakeup_reason = reason;
1768 qemu_notify_event();
1769 }
1770
1771 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1772 {
1773 if (enabled) {
1774 wakeup_reason_mask |= (1 << reason);
1775 } else {
1776 wakeup_reason_mask &= ~(1 << reason);
1777 }
1778 }
1779
1780 void qemu_register_wakeup_notifier(Notifier *notifier)
1781 {
1782 notifier_list_add(&wakeup_notifiers, notifier);
1783 }
1784
1785 void qemu_system_killed(int signal, pid_t pid)
1786 {
1787 shutdown_signal = signal;
1788 shutdown_pid = pid;
1789 no_shutdown = 0;
1790
1791 /* Cannot call qemu_system_shutdown_request directly because
1792 * we are in a signal handler.
1793 */
1794 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1795 qemu_notify_event();
1796 }
1797
1798 void qemu_system_shutdown_request(ShutdownCause reason)
1799 {
1800 trace_qemu_system_shutdown_request(reason);
1801 replay_shutdown_request(reason);
1802 shutdown_requested = reason;
1803 qemu_notify_event();
1804 }
1805
1806 static void qemu_system_powerdown(void)
1807 {
1808 qapi_event_send_powerdown();
1809 notifier_list_notify(&powerdown_notifiers, NULL);
1810 }
1811
1812 void qemu_system_powerdown_request(void)
1813 {
1814 trace_qemu_system_powerdown_request();
1815 powerdown_requested = 1;
1816 qemu_notify_event();
1817 }
1818
1819 void qemu_register_powerdown_notifier(Notifier *notifier)
1820 {
1821 notifier_list_add(&powerdown_notifiers, notifier);
1822 }
1823
1824 void qemu_system_debug_request(void)
1825 {
1826 debug_requested = 1;
1827 qemu_notify_event();
1828 }
1829
1830 static bool main_loop_should_exit(void)
1831 {
1832 RunState r;
1833 ShutdownCause request;
1834
1835 if (preconfig_exit_requested) {
1836 if (runstate_check(RUN_STATE_PRECONFIG)) {
1837 runstate_set(RUN_STATE_PRELAUNCH);
1838 }
1839 preconfig_exit_requested = false;
1840 return true;
1841 }
1842 if (qemu_debug_requested()) {
1843 vm_stop(RUN_STATE_DEBUG);
1844 }
1845 if (qemu_suspend_requested()) {
1846 qemu_system_suspend();
1847 }
1848 request = qemu_shutdown_requested();
1849 if (request) {
1850 qemu_kill_report();
1851 qapi_event_send_shutdown(shutdown_caused_by_guest(request));
1852 if (no_shutdown) {
1853 vm_stop(RUN_STATE_SHUTDOWN);
1854 } else {
1855 return true;
1856 }
1857 }
1858 request = qemu_reset_requested();
1859 if (request) {
1860 pause_all_vcpus();
1861 qemu_system_reset(request);
1862 resume_all_vcpus();
1863 if (!runstate_check(RUN_STATE_RUNNING) &&
1864 !runstate_check(RUN_STATE_INMIGRATE)) {
1865 runstate_set(RUN_STATE_PRELAUNCH);
1866 }
1867 }
1868 if (qemu_wakeup_requested()) {
1869 pause_all_vcpus();
1870 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1871 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1872 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1873 resume_all_vcpus();
1874 qapi_event_send_wakeup();
1875 }
1876 if (qemu_powerdown_requested()) {
1877 qemu_system_powerdown();
1878 }
1879 if (qemu_vmstop_requested(&r)) {
1880 vm_stop(r);
1881 }
1882 return false;
1883 }
1884
1885 static void main_loop(void)
1886 {
1887 #ifdef CONFIG_PROFILER
1888 int64_t ti;
1889 #endif
1890 while (!main_loop_should_exit()) {
1891 #ifdef CONFIG_PROFILER
1892 ti = profile_getclock();
1893 #endif
1894 main_loop_wait(false);
1895 #ifdef CONFIG_PROFILER
1896 dev_time += profile_getclock() - ti;
1897 #endif
1898 }
1899 }
1900
1901 static void version(void)
1902 {
1903 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1904 QEMU_COPYRIGHT "\n");
1905 }
1906
1907 static void help(int exitcode)
1908 {
1909 version();
1910 printf("usage: %s [options] [disk_image]\n\n"
1911 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1912 error_get_progname());
1913
1914 #define QEMU_OPTIONS_GENERATE_HELP
1915 #include "qemu-options-wrapper.h"
1916
1917 printf("\nDuring emulation, the following keys are useful:\n"
1918 "ctrl-alt-f toggle full screen\n"
1919 "ctrl-alt-n switch to virtual console 'n'\n"
1920 "ctrl-alt toggle mouse and keyboard grab\n"
1921 "\n"
1922 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1923 "\n"
1924 QEMU_HELP_BOTTOM "\n");
1925
1926 exit(exitcode);
1927 }
1928
1929 #define HAS_ARG 0x0001
1930
1931 typedef struct QEMUOption {
1932 const char *name;
1933 int flags;
1934 int index;
1935 uint32_t arch_mask;
1936 } QEMUOption;
1937
1938 static const QEMUOption qemu_options[] = {
1939 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1940 #define QEMU_OPTIONS_GENERATE_OPTIONS
1941 #include "qemu-options-wrapper.h"
1942 { NULL },
1943 };
1944
1945 typedef struct VGAInterfaceInfo {
1946 const char *opt_name; /* option name */
1947 const char *name; /* human-readable name */
1948 /* Class names indicating that support is available.
1949 * If no class is specified, the interface is always available */
1950 const char *class_names[2];
1951 } VGAInterfaceInfo;
1952
1953 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1954 [VGA_NONE] = {
1955 .opt_name = "none",
1956 },
1957 [VGA_STD] = {
1958 .opt_name = "std",
1959 .name = "standard VGA",
1960 .class_names = { "VGA", "isa-vga" },
1961 },
1962 [VGA_CIRRUS] = {
1963 .opt_name = "cirrus",
1964 .name = "Cirrus VGA",
1965 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1966 },
1967 [VGA_VMWARE] = {
1968 .opt_name = "vmware",
1969 .name = "VMWare SVGA",
1970 .class_names = { "vmware-svga" },
1971 },
1972 [VGA_VIRTIO] = {
1973 .opt_name = "virtio",
1974 .name = "Virtio VGA",
1975 .class_names = { "virtio-vga" },
1976 },
1977 [VGA_QXL] = {
1978 .opt_name = "qxl",
1979 .name = "QXL VGA",
1980 .class_names = { "qxl-vga" },
1981 },
1982 [VGA_TCX] = {
1983 .opt_name = "tcx",
1984 .name = "TCX framebuffer",
1985 .class_names = { "SUNW,tcx" },
1986 },
1987 [VGA_CG3] = {
1988 .opt_name = "cg3",
1989 .name = "CG3 framebuffer",
1990 .class_names = { "cgthree" },
1991 },
1992 [VGA_XENFB] = {
1993 .opt_name = "xenfb",
1994 },
1995 };
1996
1997 static bool vga_interface_available(VGAInterfaceType t)
1998 {
1999 VGAInterfaceInfo *ti = &vga_interfaces[t];
2000
2001 assert(t < VGA_TYPE_MAX);
2002 return !ti->class_names[0] ||
2003 object_class_by_name(ti->class_names[0]) ||
2004 object_class_by_name(ti->class_names[1]);
2005 }
2006
2007 static void select_vgahw(const char *p)
2008 {
2009 const char *opts;
2010 int t;
2011
2012 assert(vga_interface_type == VGA_NONE);
2013 for (t = 0; t < VGA_TYPE_MAX; t++) {
2014 VGAInterfaceInfo *ti = &vga_interfaces[t];
2015 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2016 if (!vga_interface_available(t)) {
2017 error_report("%s not available", ti->name);
2018 exit(1);
2019 }
2020 vga_interface_type = t;
2021 break;
2022 }
2023 }
2024 if (t == VGA_TYPE_MAX) {
2025 invalid_vga:
2026 error_report("unknown vga type: %s", p);
2027 exit(1);
2028 }
2029 while (*opts) {
2030 const char *nextopt;
2031
2032 if (strstart(opts, ",retrace=", &nextopt)) {
2033 opts = nextopt;
2034 if (strstart(opts, "dumb", &nextopt))
2035 vga_retrace_method = VGA_RETRACE_DUMB;
2036 else if (strstart(opts, "precise", &nextopt))
2037 vga_retrace_method = VGA_RETRACE_PRECISE;
2038 else goto invalid_vga;
2039 } else goto invalid_vga;
2040 opts = nextopt;
2041 }
2042 }
2043
2044 static void parse_display_qapi(const char *optarg)
2045 {
2046 DisplayOptions *opts;
2047 Visitor *v;
2048
2049 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2050
2051 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2052 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2053
2054 qapi_free_DisplayOptions(opts);
2055 visit_free(v);
2056 }
2057
2058 static void parse_display(const char *p)
2059 {
2060 const char *opts;
2061
2062 if (strstart(p, "sdl", &opts)) {
2063 /*
2064 * sdl DisplayType needs hand-crafted parser instead of
2065 * parse_display_qapi() due to some options not in
2066 * DisplayOptions, specifically:
2067 * - frame
2068 * Already deprecated.
2069 * - ctrl_grab + alt_grab
2070 * Not clear yet what happens to them long-term. Should
2071 * replaced by something better or deprecated and dropped.
2072 */
2073 dpy.type = DISPLAY_TYPE_SDL;
2074 while (*opts) {
2075 const char *nextopt;
2076
2077 if (strstart(opts, ",frame=", &nextopt)) {
2078 g_printerr("The frame= sdl option is deprecated, and will be\n"
2079 "removed in a future release.\n");
2080 opts = nextopt;
2081 if (strstart(opts, "on", &nextopt)) {
2082 no_frame = 0;
2083 } else if (strstart(opts, "off", &nextopt)) {
2084 no_frame = 1;
2085 } else {
2086 goto invalid_sdl_args;
2087 }
2088 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2089 opts = nextopt;
2090 if (strstart(opts, "on", &nextopt)) {
2091 alt_grab = 1;
2092 } else if (strstart(opts, "off", &nextopt)) {
2093 alt_grab = 0;
2094 } else {
2095 goto invalid_sdl_args;
2096 }
2097 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2098 opts = nextopt;
2099 if (strstart(opts, "on", &nextopt)) {
2100 ctrl_grab = 1;
2101 } else if (strstart(opts, "off", &nextopt)) {
2102 ctrl_grab = 0;
2103 } else {
2104 goto invalid_sdl_args;
2105 }
2106 } else if (strstart(opts, ",window_close=", &nextopt)) {
2107 opts = nextopt;
2108 dpy.has_window_close = true;
2109 if (strstart(opts, "on", &nextopt)) {
2110 dpy.window_close = true;
2111 } else if (strstart(opts, "off", &nextopt)) {
2112 dpy.window_close = false;
2113 } else {
2114 goto invalid_sdl_args;
2115 }
2116 } else if (strstart(opts, ",gl=", &nextopt)) {
2117 opts = nextopt;
2118 dpy.has_gl = true;
2119 if (strstart(opts, "on", &nextopt)) {
2120 dpy.gl = DISPLAYGL_MODE_ON;
2121 } else if (strstart(opts, "core", &nextopt)) {
2122 dpy.gl = DISPLAYGL_MODE_CORE;
2123 } else if (strstart(opts, "es", &nextopt)) {
2124 dpy.gl = DISPLAYGL_MODE_ES;
2125 } else if (strstart(opts, "off", &nextopt)) {
2126 dpy.gl = DISPLAYGL_MODE_OFF;
2127 } else {
2128 goto invalid_sdl_args;
2129 }
2130 } else {
2131 invalid_sdl_args:
2132 error_report("invalid SDL option string");
2133 exit(1);
2134 }
2135 opts = nextopt;
2136 }
2137 } else if (strstart(p, "vnc", &opts)) {
2138 /*
2139 * vnc isn't a (local) DisplayType but a protocol for remote
2140 * display access.
2141 */
2142 if (*opts == '=') {
2143 vnc_parse(opts + 1, &error_fatal);
2144 } else {
2145 error_report("VNC requires a display argument vnc=<display>");
2146 exit(1);
2147 }
2148 } else {
2149 parse_display_qapi(p);
2150 }
2151 }
2152
2153 char *qemu_find_file(int type, const char *name)
2154 {
2155 int i;
2156 const char *subdir;
2157 char *buf;
2158
2159 /* Try the name as a straight path first */
2160 if (access(name, R_OK) == 0) {
2161 trace_load_file(name, name);
2162 return g_strdup(name);
2163 }
2164
2165 switch (type) {
2166 case QEMU_FILE_TYPE_BIOS:
2167 subdir = "";
2168 break;
2169 case QEMU_FILE_TYPE_KEYMAP:
2170 subdir = "keymaps/";
2171 break;
2172 default:
2173 abort();
2174 }
2175
2176 for (i = 0; i < data_dir_idx; i++) {
2177 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2178 if (access(buf, R_OK) == 0) {
2179 trace_load_file(name, buf);
2180 return buf;
2181 }
2182 g_free(buf);
2183 }
2184 return NULL;
2185 }
2186
2187 static void qemu_add_data_dir(const char *path)
2188 {
2189 int i;
2190
2191 if (path == NULL) {
2192 return;
2193 }
2194 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2195 return;
2196 }
2197 for (i = 0; i < data_dir_idx; i++) {
2198 if (strcmp(data_dir[i], path) == 0) {
2199 return; /* duplicate */
2200 }
2201 }
2202 data_dir[data_dir_idx++] = g_strdup(path);
2203 }
2204
2205 static inline bool nonempty_str(const char *str)
2206 {
2207 return str && *str;
2208 }
2209
2210 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2211 {
2212 gchar *buf;
2213 size_t size;
2214 const char *name, *file, *str;
2215 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2216
2217 if (fw_cfg == NULL) {
2218 error_setg(errp, "fw_cfg device not available");
2219 return -1;
2220 }
2221 name = qemu_opt_get(opts, "name");
2222 file = qemu_opt_get(opts, "file");
2223 str = qemu_opt_get(opts, "string");
2224
2225 /* we need name and either a file or the content string */
2226 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2227 error_setg(errp, "invalid argument(s)");
2228 return -1;
2229 }
2230 if (nonempty_str(file) && nonempty_str(str)) {
2231 error_setg(errp, "file and string are mutually exclusive");
2232 return -1;
2233 }
2234 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2235 error_setg(errp, "name too long (max. %d char)",
2236 FW_CFG_MAX_FILE_PATH - 1);
2237 return -1;
2238 }
2239 if (strncmp(name, "opt/", 4) != 0) {
2240 warn_report("externally provided fw_cfg item names "
2241 "should be prefixed with \"opt/\"");
2242 }
2243 if (nonempty_str(str)) {
2244 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2245 buf = g_memdup(str, size);
2246 } else {
2247 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2248 error_setg(errp, "can't load %s", file);
2249 return -1;
2250 }
2251 }
2252 /* For legacy, keep user files in a specific global order. */
2253 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2254 fw_cfg_add_file(fw_cfg, name, buf, size);
2255 fw_cfg_reset_order_override(fw_cfg);
2256 return 0;
2257 }
2258
2259 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2260 {
2261 return qdev_device_help(opts);
2262 }
2263
2264 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2265 {
2266 DeviceState *dev;
2267
2268 dev = qdev_device_add(opts, errp);
2269 if (!dev) {
2270 return -1;
2271 }
2272 object_unref(OBJECT(dev));
2273 return 0;
2274 }
2275
2276 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2277 {
2278 Error *local_err = NULL;
2279
2280 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2281 if (local_err) {
2282 error_propagate(errp, local_err);
2283 return -1;
2284 }
2285 exit(0);
2286 }
2287 return 0;
2288 }
2289
2290 #ifdef CONFIG_VIRTFS
2291 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2292 {
2293 return qemu_fsdev_add(opts, errp);
2294 }
2295 #endif
2296
2297 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2298 {
2299 Chardev *chr;
2300 const char *chardev;
2301 const char *mode;
2302 int flags;
2303
2304 mode = qemu_opt_get(opts, "mode");
2305 if (mode == NULL) {
2306 mode = "readline";
2307 }
2308 if (strcmp(mode, "readline") == 0) {
2309 flags = MONITOR_USE_READLINE;
2310 } else if (strcmp(mode, "control") == 0) {
2311 flags = MONITOR_USE_CONTROL;
2312 } else {
2313 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2314 return -1;
2315 }
2316
2317 if (qemu_opt_get_bool(opts, "pretty", 0))
2318 flags |= MONITOR_USE_PRETTY;
2319
2320 /* OOB is off by default */
2321 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2322 flags |= MONITOR_USE_OOB;
2323 }
2324
2325 chardev = qemu_opt_get(opts, "chardev");
2326 if (!chardev) {
2327 error_report("chardev is required");
2328 exit(1);
2329 }
2330 chr = qemu_chr_find(chardev);
2331 if (chr == NULL) {
2332 error_setg(errp, "chardev \"%s\" not found", chardev);
2333 return -1;
2334 }
2335
2336 monitor_init(chr, flags);
2337 return 0;
2338 }
2339
2340 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2341 {
2342 static int monitor_device_index = 0;
2343 QemuOpts *opts;
2344 const char *p;
2345 char label[32];
2346
2347 if (strstart(optarg, "chardev:", &p)) {
2348 snprintf(label, sizeof(label), "%s", p);
2349 } else {
2350 snprintf(label, sizeof(label), "compat_monitor%d",
2351 monitor_device_index);
2352 opts = qemu_chr_parse_compat(label, optarg, true);
2353 if (!opts) {
2354 error_report("parse error: %s", optarg);
2355 exit(1);
2356 }
2357 }
2358
2359 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2360 qemu_opt_set(opts, "mode", mode, &error_abort);
2361 qemu_opt_set(opts, "chardev", label, &error_abort);
2362 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2363 monitor_device_index++;
2364 }
2365
2366 struct device_config {
2367 enum {
2368 DEV_USB, /* -usbdevice */
2369 DEV_BT, /* -bt */
2370 DEV_SERIAL, /* -serial */
2371 DEV_PARALLEL, /* -parallel */
2372 DEV_VIRTCON, /* -virtioconsole */
2373 DEV_DEBUGCON, /* -debugcon */
2374 DEV_GDB, /* -gdb, -s */
2375 DEV_SCLP, /* s390 sclp */
2376 } type;
2377 const char *cmdline;
2378 Location loc;
2379 QTAILQ_ENTRY(device_config) next;
2380 };
2381
2382 static QTAILQ_HEAD(, device_config) device_configs =
2383 QTAILQ_HEAD_INITIALIZER(device_configs);
2384
2385 static void add_device_config(int type, const char *cmdline)
2386 {
2387 struct device_config *conf;
2388
2389 conf = g_malloc0(sizeof(*conf));
2390 conf->type = type;
2391 conf->cmdline = cmdline;
2392 loc_save(&conf->loc);
2393 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2394 }
2395
2396 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2397 {
2398 struct device_config *conf;
2399 int rc;
2400
2401 QTAILQ_FOREACH(conf, &device_configs, next) {
2402 if (conf->type != type)
2403 continue;
2404 loc_push_restore(&conf->loc);
2405 rc = func(conf->cmdline);
2406 loc_pop(&conf->loc);
2407 if (rc) {
2408 return rc;
2409 }
2410 }
2411 return 0;
2412 }
2413
2414 static int serial_parse(const char *devname)
2415 {
2416 int index = num_serial_hds;
2417 char label[32];
2418
2419 if (strcmp(devname, "none") == 0)
2420 return 0;
2421 snprintf(label, sizeof(label), "serial%d", index);
2422 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2423
2424 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2425 if (!serial_hds[index]) {
2426 error_report("could not connect serial device"
2427 " to character backend '%s'", devname);
2428 return -1;
2429 }
2430 num_serial_hds++;
2431 return 0;
2432 }
2433
2434 Chardev *serial_hd(int i)
2435 {
2436 assert(i >= 0);
2437 if (i < num_serial_hds) {
2438 return serial_hds[i];
2439 }
2440 return NULL;
2441 }
2442
2443 int serial_max_hds(void)
2444 {
2445 return num_serial_hds;
2446 }
2447
2448 static int parallel_parse(const char *devname)
2449 {
2450 static int index = 0;
2451 char label[32];
2452
2453 if (strcmp(devname, "none") == 0)
2454 return 0;
2455 if (index == MAX_PARALLEL_PORTS) {
2456 error_report("too many parallel ports");
2457 exit(1);
2458 }
2459 snprintf(label, sizeof(label), "parallel%d", index);
2460 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2461 if (!parallel_hds[index]) {
2462 error_report("could not connect parallel device"
2463 " to character backend '%s'", devname);
2464 return -1;
2465 }
2466 index++;
2467 return 0;
2468 }
2469
2470 static int virtcon_parse(const char *devname)
2471 {
2472 QemuOptsList *device = qemu_find_opts("device");
2473 static int index = 0;
2474 char label[32];
2475 QemuOpts *bus_opts, *dev_opts;
2476
2477 if (strcmp(devname, "none") == 0)
2478 return 0;
2479 if (index == MAX_VIRTIO_CONSOLES) {
2480 error_report("too many virtio consoles");
2481 exit(1);
2482 }
2483
2484 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2485 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2486
2487 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2488 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2489
2490 snprintf(label, sizeof(label), "virtcon%d", index);
2491 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2492 if (!virtcon_hds[index]) {
2493 error_report("could not connect virtio console"
2494 " to character backend '%s'", devname);
2495 return -1;
2496 }
2497 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2498
2499 index++;
2500 return 0;
2501 }
2502
2503 static int debugcon_parse(const char *devname)
2504 {
2505 QemuOpts *opts;
2506
2507 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2508 error_report("invalid character backend '%s'", devname);
2509 exit(1);
2510 }
2511 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2512 if (!opts) {
2513 error_report("already have a debugcon device");
2514 exit(1);
2515 }
2516 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2517 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2518 return 0;
2519 }
2520
2521 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2522 {
2523 const MachineClass *mc1 = a, *mc2 = b;
2524 int res;
2525
2526 if (mc1->family == NULL) {
2527 if (mc2->family == NULL) {
2528 /* Compare standalone machine types against each other; they sort
2529 * in increasing order.
2530 */
2531 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2532 object_class_get_name(OBJECT_CLASS(mc2)));
2533 }
2534
2535 /* Standalone machine types sort after families. */
2536 return 1;
2537 }
2538
2539 if (mc2->family == NULL) {
2540 /* Families sort before standalone machine types. */
2541 return -1;
2542 }
2543
2544 /* Families sort between each other alphabetically increasingly. */
2545 res = strcmp(mc1->family, mc2->family);
2546 if (res != 0) {
2547 return res;
2548 }
2549
2550 /* Within the same family, machine types sort in decreasing order. */
2551 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2552 object_class_get_name(OBJECT_CLASS(mc1)));
2553 }
2554
2555 static MachineClass *machine_parse(const char *name)
2556 {
2557 MachineClass *mc = NULL;
2558 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2559
2560 if (name) {
2561 mc = find_machine(name);
2562 }
2563 if (mc) {
2564 g_slist_free(machines);
2565 return mc;
2566 }
2567 if (name && !is_help_option(name)) {
2568 error_report("unsupported machine type");
2569 error_printf("Use -machine help to list supported machines\n");
2570 } else {
2571 printf("Supported machines are:\n");
2572 machines = g_slist_sort(machines, machine_class_cmp);
2573 for (el = machines; el; el = el->next) {
2574 MachineClass *mc = el->data;
2575 if (mc->alias) {
2576 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2577 }
2578 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2579 mc->is_default ? " (default)" : "",
2580 mc->deprecation_reason ? " (deprecated)" : "");
2581 }
2582 }
2583
2584 g_slist_free(machines);
2585 exit(!name || !is_help_option(name));
2586 }
2587
2588 void qemu_add_exit_notifier(Notifier *notify)
2589 {
2590 notifier_list_add(&exit_notifiers, notify);
2591 }
2592
2593 void qemu_remove_exit_notifier(Notifier *notify)
2594 {
2595 notifier_remove(notify);
2596 }
2597
2598 static void qemu_run_exit_notifiers(void)
2599 {
2600 notifier_list_notify(&exit_notifiers, NULL);
2601 }
2602
2603 static const char *pid_file;
2604 static Notifier qemu_unlink_pidfile_notifier;
2605
2606 static void qemu_unlink_pidfile(Notifier *n, void *data)
2607 {
2608 if (pid_file) {
2609 unlink(pid_file);
2610 }
2611 }
2612
2613 bool machine_init_done;
2614
2615 void qemu_add_machine_init_done_notifier(Notifier *notify)
2616 {
2617 notifier_list_add(&machine_init_done_notifiers, notify);
2618 if (machine_init_done) {
2619 notify->notify(notify, NULL);
2620 }
2621 }
2622
2623 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2624 {
2625 notifier_remove(notify);
2626 }
2627
2628 static void qemu_run_machine_init_done_notifiers(void)
2629 {
2630 machine_init_done = true;
2631 notifier_list_notify(&machine_init_done_notifiers, NULL);
2632 }
2633
2634 static const QEMUOption *lookup_opt(int argc, char **argv,
2635 const char **poptarg, int *poptind)
2636 {
2637 const QEMUOption *popt;
2638 int optind = *poptind;
2639 char *r = argv[optind];
2640 const char *optarg;
2641
2642 loc_set_cmdline(argv, optind, 1);
2643 optind++;
2644 /* Treat --foo the same as -foo. */
2645 if (r[1] == '-')
2646 r++;
2647 popt = qemu_options;
2648 for(;;) {
2649 if (!popt->name) {
2650 error_report("invalid option");
2651 exit(1);
2652 }
2653 if (!strcmp(popt->name, r + 1))
2654 break;
2655 popt++;
2656 }
2657 if (popt->flags & HAS_ARG) {
2658 if (optind >= argc) {
2659 error_report("requires an argument");
2660 exit(1);
2661 }
2662 optarg = argv[optind++];
2663 loc_set_cmdline(argv, optind - 2, 2);
2664 } else {
2665 optarg = NULL;
2666 }
2667
2668 *poptarg = optarg;
2669 *poptind = optind;
2670
2671 return popt;
2672 }
2673
2674 static MachineClass *select_machine(void)
2675 {
2676 MachineClass *machine_class = find_default_machine();
2677 const char *optarg;
2678 QemuOpts *opts;
2679 Location loc;
2680
2681 loc_push_none(&loc);
2682
2683 opts = qemu_get_machine_opts();
2684 qemu_opts_loc_restore(opts);
2685
2686 optarg = qemu_opt_get(opts, "type");
2687 if (optarg) {
2688 machine_class = machine_parse(optarg);
2689 }
2690
2691 if (!machine_class) {
2692 error_report("No machine specified, and there is no default");
2693 error_printf("Use -machine help to list supported machines\n");
2694 exit(1);
2695 }
2696
2697 loc_pop(&loc);
2698 return machine_class;
2699 }
2700
2701 static int machine_set_property(void *opaque,
2702 const char *name, const char *value,
2703 Error **errp)
2704 {
2705 Object *obj = OBJECT(opaque);
2706 Error *local_err = NULL;
2707 char *p, *qom_name;
2708
2709 if (strcmp(name, "type") == 0) {
2710 return 0;
2711 }
2712
2713 qom_name = g_strdup(name);
2714 for (p = qom_name; *p; p++) {
2715 if (*p == '_') {
2716 *p = '-';
2717 }
2718 }
2719
2720 object_property_parse(obj, value, qom_name, &local_err);
2721 g_free(qom_name);
2722
2723 if (local_err) {
2724 error_propagate(errp, local_err);
2725 return -1;
2726 }
2727
2728 return 0;
2729 }
2730
2731
2732 /*
2733 * Initial object creation happens before all other
2734 * QEMU data types are created. The majority of objects
2735 * can be created at this point. The rng-egd object
2736 * cannot be created here, as it depends on the chardev
2737 * already existing.
2738 */
2739 static bool object_create_initial(const char *type, QemuOpts *opts)
2740 {
2741 ObjectClass *klass;
2742
2743 if (is_help_option(type)) {
2744 GSList *l, *list;
2745
2746 printf("List of user creatable objects:\n");
2747 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2748 for (l = list; l != NULL; l = l->next) {
2749 ObjectClass *oc = OBJECT_CLASS(l->data);
2750 printf(" %s\n", object_class_get_name(oc));
2751 }
2752 g_slist_free(list);
2753 exit(0);
2754 }
2755
2756 klass = object_class_by_name(type);
2757 if (klass && qemu_opt_has_help_opt(opts)) {
2758 ObjectPropertyIterator iter;
2759 ObjectProperty *prop;
2760 GPtrArray *array = g_ptr_array_new();
2761 int i;
2762
2763 object_class_property_iter_init(&iter, klass);
2764 while ((prop = object_property_iter_next(&iter))) {
2765 GString *str;
2766
2767 if (!prop->set) {
2768 continue;
2769 }
2770
2771 str = g_string_new(NULL);
2772 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2773 if (prop->description) {
2774 if (str->len < 24) {
2775 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2776 }
2777 g_string_append_printf(str, " - %s", prop->description);
2778 }
2779 g_ptr_array_add(array, g_string_free(str, false));
2780 }
2781 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2782 if (array->len > 0) {
2783 printf("%s options:\n", type);
2784 } else {
2785 printf("There are no options for %s.\n", type);
2786 }
2787 for (i = 0; i < array->len; i++) {
2788 printf("%s\n", (char *)array->pdata[i]);
2789 }
2790 g_ptr_array_set_free_func(array, g_free);
2791 g_ptr_array_free(array, true);
2792 exit(0);
2793 }
2794
2795 if (g_str_equal(type, "rng-egd") ||
2796 g_str_has_prefix(type, "pr-manager-")) {
2797 return false;
2798 }
2799
2800 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2801 if (g_str_equal(type, "cryptodev-vhost-user")) {
2802 return false;
2803 }
2804 #endif
2805
2806 /*
2807 * return false for concrete netfilters since
2808 * they depend on netdevs already existing
2809 */
2810 if (g_str_equal(type, "filter-buffer") ||
2811 g_str_equal(type, "filter-dump") ||
2812 g_str_equal(type, "filter-mirror") ||
2813 g_str_equal(type, "filter-redirector") ||
2814 g_str_equal(type, "colo-compare") ||
2815 g_str_equal(type, "filter-rewriter") ||
2816 g_str_equal(type, "filter-replay")) {
2817 return false;
2818 }
2819
2820 /* Memory allocation by backends needs to be done
2821 * after configure_accelerator() (due to the tcg_enabled()
2822 * checks at memory_region_init_*()).
2823 *
2824 * Also, allocation of large amounts of memory may delay
2825 * chardev initialization for too long, and trigger timeouts
2826 * on software that waits for a monitor socket to be created
2827 * (e.g. libvirt).
2828 */
2829 if (g_str_has_prefix(type, "memory-backend-")) {
2830 return false;
2831 }
2832
2833 return true;
2834 }
2835
2836
2837 /*
2838 * The remainder of object creation happens after the
2839 * creation of chardev, fsdev, net clients and device data types.
2840 */
2841 static bool object_create_delayed(const char *type, QemuOpts *opts)
2842 {
2843 return !object_create_initial(type, opts);
2844 }
2845
2846
2847 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2848 MachineClass *mc)
2849 {
2850 uint64_t sz;
2851 const char *mem_str;
2852 const ram_addr_t default_ram_size = mc->default_ram_size;
2853 QemuOpts *opts = qemu_find_opts_singleton("memory");
2854 Location loc;
2855
2856 loc_push_none(&loc);
2857 qemu_opts_loc_restore(opts);
2858
2859 sz = 0;
2860 mem_str = qemu_opt_get(opts, "size");
2861 if (mem_str) {
2862 if (!*mem_str) {
2863 error_report("missing 'size' option value");
2864 exit(EXIT_FAILURE);
2865 }
2866
2867 sz = qemu_opt_get_size(opts, "size", ram_size);
2868
2869 /* Fix up legacy suffix-less format */
2870 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2871 uint64_t overflow_check = sz;
2872
2873 sz *= MiB;
2874 if (sz / MiB != overflow_check) {
2875 error_report("too large 'size' option value");
2876 exit(EXIT_FAILURE);
2877 }
2878 }
2879 }
2880
2881 /* backward compatibility behaviour for case "-m 0" */
2882 if (sz == 0) {
2883 sz = default_ram_size;
2884 }
2885
2886 sz = QEMU_ALIGN_UP(sz, 8192);
2887 ram_size = sz;
2888 if (ram_size != sz) {
2889 error_report("ram size too large");
2890 exit(EXIT_FAILURE);
2891 }
2892
2893 /* store value for the future use */
2894 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2895 *maxram_size = ram_size;
2896
2897 if (qemu_opt_get(opts, "maxmem")) {
2898 uint64_t slots;
2899
2900 sz = qemu_opt_get_size(opts, "maxmem", 0);
2901 slots = qemu_opt_get_number(opts, "slots", 0);
2902 if (sz < ram_size) {
2903 error_report("invalid value of -m option maxmem: "
2904 "maximum memory size (0x%" PRIx64 ") must be at least "
2905 "the initial memory size (0x" RAM_ADDR_FMT ")",
2906 sz, ram_size);
2907 exit(EXIT_FAILURE);
2908 } else if (slots && sz == ram_size) {
2909 error_report("invalid value of -m option maxmem: "
2910 "memory slots were specified but maximum memory size "
2911 "(0x%" PRIx64 ") is equal to the initial memory size "
2912 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2913 exit(EXIT_FAILURE);
2914 }
2915
2916 *maxram_size = sz;
2917 *ram_slots = slots;
2918 } else if (qemu_opt_get(opts, "slots")) {
2919 error_report("invalid -m option value: missing 'maxmem' option");
2920 exit(EXIT_FAILURE);
2921 }
2922
2923 loc_pop(&loc);
2924 }
2925
2926 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2927 {
2928 GlobalProperty *g;
2929
2930 g = g_malloc0(sizeof(*g));
2931 g->driver = qemu_opt_get(opts, "driver");
2932 g->property = qemu_opt_get(opts, "property");
2933 g->value = qemu_opt_get(opts, "value");
2934 g->user_provided = true;
2935 g->errp = &error_fatal;
2936 qdev_prop_register_global(g);
2937 return 0;
2938 }
2939
2940 static int qemu_read_default_config_file(void)
2941 {
2942 int ret;
2943
2944 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2945 if (ret < 0 && ret != -ENOENT) {
2946 return ret;
2947 }
2948
2949 return 0;
2950 }
2951
2952 static void user_register_global_props(void)
2953 {
2954 qemu_opts_foreach(qemu_find_opts("global"),
2955 global_init_func, NULL, NULL);
2956 }
2957
2958 /*
2959 * Note: we should see that these properties are actually having a
2960 * priority: accel < machine < user. This means e.g. when user
2961 * specifies something in "-global", it'll always be used with highest
2962 * priority than either machine/accelerator compat properties.
2963 */
2964 static void register_global_properties(MachineState *ms)
2965 {
2966 accel_register_compat_props(ms->accelerator);
2967 machine_register_compat_props(ms);
2968 user_register_global_props();
2969 }
2970
2971 int main(int argc, char **argv, char **envp)
2972 {
2973 int i;
2974 int snapshot, linux_boot;
2975 const char *initrd_filename;
2976 const char *kernel_filename, *kernel_cmdline;
2977 const char *boot_order = NULL;
2978 const char *boot_once = NULL;
2979 DisplayState *ds;
2980 QemuOpts *opts, *machine_opts;
2981 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2982 QemuOptsList *olist;
2983 int optind;
2984 const char *optarg;
2985 const char *loadvm = NULL;
2986 MachineClass *machine_class;
2987 const char *cpu_model;
2988 const char *vga_model = NULL;
2989 const char *qtest_chrdev = NULL;
2990 const char *qtest_log = NULL;
2991 const char *incoming = NULL;
2992 bool userconfig = true;
2993 bool nographic = false;
2994 int display_remote = 0;
2995 const char *log_mask = NULL;
2996 const char *log_file = NULL;
2997 char *trace_file = NULL;
2998 ram_addr_t maxram_size;
2999 uint64_t ram_slots = 0;
3000 FILE *vmstate_dump_file = NULL;
3001 Error *main_loop_err = NULL;
3002 Error *err = NULL;
3003 bool list_data_dirs = false;
3004 char *dir, **dirs;
3005 typedef struct BlockdevOptions_queue {
3006 BlockdevOptions *bdo;
3007 Location loc;
3008 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3009 } BlockdevOptions_queue;
3010 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3011 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3012
3013 module_call_init(MODULE_INIT_TRACE);
3014
3015 qemu_init_cpu_list();
3016 qemu_init_cpu_loop();
3017
3018 qemu_mutex_lock_iothread();
3019
3020 atexit(qemu_run_exit_notifiers);
3021 error_set_progname(argv[0]);
3022 qemu_init_exec_dir(argv[0]);
3023
3024 module_call_init(MODULE_INIT_QOM);
3025
3026 qemu_add_opts(&qemu_drive_opts);
3027 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3028 qemu_add_drive_opts(&qemu_common_drive_opts);
3029 qemu_add_drive_opts(&qemu_drive_opts);
3030 qemu_add_drive_opts(&bdrv_runtime_opts);
3031 qemu_add_opts(&qemu_chardev_opts);
3032 qemu_add_opts(&qemu_device_opts);
3033 qemu_add_opts(&qemu_netdev_opts);
3034 qemu_add_opts(&qemu_nic_opts);
3035 qemu_add_opts(&qemu_net_opts);
3036 qemu_add_opts(&qemu_rtc_opts);
3037 qemu_add_opts(&qemu_global_opts);
3038 qemu_add_opts(&qemu_mon_opts);
3039 qemu_add_opts(&qemu_trace_opts);
3040 qemu_add_opts(&qemu_option_rom_opts);
3041 qemu_add_opts(&qemu_machine_opts);
3042 qemu_add_opts(&qemu_accel_opts);
3043 qemu_add_opts(&qemu_mem_opts);
3044 qemu_add_opts(&qemu_smp_opts);
3045 qemu_add_opts(&qemu_boot_opts);
3046 qemu_add_opts(&qemu_add_fd_opts);
3047 qemu_add_opts(&qemu_object_opts);
3048 qemu_add_opts(&qemu_tpmdev_opts);
3049 qemu_add_opts(&qemu_realtime_opts);
3050 qemu_add_opts(&qemu_overcommit_opts);
3051 qemu_add_opts(&qemu_msg_opts);
3052 qemu_add_opts(&qemu_name_opts);
3053 qemu_add_opts(&qemu_numa_opts);
3054 qemu_add_opts(&qemu_icount_opts);
3055 qemu_add_opts(&qemu_semihosting_config_opts);
3056 qemu_add_opts(&qemu_fw_cfg_opts);
3057 module_call_init(MODULE_INIT_OPTS);
3058
3059 runstate_init();
3060 postcopy_infrastructure_init();
3061 monitor_init_globals();
3062
3063 if (qcrypto_init(&err) < 0) {
3064 error_reportf_err(err, "cannot initialize crypto: ");
3065 exit(1);
3066 }
3067
3068 QLIST_INIT (&vm_change_state_head);
3069 os_setup_early_signal_handling();
3070
3071 cpu_model = NULL;
3072 snapshot = 0;
3073
3074 nb_nics = 0;
3075
3076 bdrv_init_with_whitelist();
3077
3078 autostart = 1;
3079
3080 /* first pass of option parsing */
3081 optind = 1;
3082 while (optind < argc) {
3083 if (argv[optind][0] != '-') {
3084 /* disk image */
3085 optind++;
3086 } else {
3087 const QEMUOption *popt;
3088
3089 popt = lookup_opt(argc, argv, &optarg, &optind);
3090 switch (popt->index) {
3091 case QEMU_OPTION_nouserconfig:
3092 userconfig = false;
3093 break;
3094 }
3095 }
3096 }
3097
3098 if (userconfig) {
3099 if (qemu_read_default_config_file() < 0) {
3100 exit(1);
3101 }
3102 }
3103
3104 /* second pass of option parsing */
3105 optind = 1;
3106 for(;;) {
3107 if (optind >= argc)
3108 break;
3109 if (argv[optind][0] != '-') {
3110 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3111 } else {
3112 const QEMUOption *popt;
3113
3114 popt = lookup_opt(argc, argv, &optarg, &optind);
3115 if (!(popt->arch_mask & arch_type)) {
3116 error_report("Option not supported for this target");
3117 exit(1);
3118 }
3119 switch(popt->index) {
3120 case QEMU_OPTION_cpu:
3121 /* hw initialization will check this */
3122 cpu_model = optarg;
3123 break;
3124 case QEMU_OPTION_hda:
3125 case QEMU_OPTION_hdb:
3126 case QEMU_OPTION_hdc:
3127 case QEMU_OPTION_hdd:
3128 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3129 HD_OPTS);
3130 break;
3131 case QEMU_OPTION_blockdev:
3132 {
3133 Visitor *v;
3134 BlockdevOptions_queue *bdo;
3135
3136 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3137 if (!v) {
3138 error_report_err(err);
3139 exit(1);
3140 }
3141
3142 bdo = g_new(BlockdevOptions_queue, 1);
3143 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3144 &error_fatal);
3145 visit_free(v);
3146 loc_save(&bdo->loc);
3147 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3148 break;
3149 }
3150 case QEMU_OPTION_drive:
3151 if (drive_def(optarg) == NULL) {
3152 exit(1);
3153 }
3154 break;
3155 case QEMU_OPTION_set:
3156 if (qemu_set_option(optarg) != 0)
3157 exit(1);
3158 break;
3159 case QEMU_OPTION_global:
3160 if (qemu_global_option(optarg) != 0)
3161 exit(1);
3162 break;
3163 case QEMU_OPTION_mtdblock:
3164 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3165 break;
3166 case QEMU_OPTION_sd:
3167 drive_add(IF_SD, -1, optarg, SD_OPTS);
3168 break;
3169 case QEMU_OPTION_pflash:
3170 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3171 break;
3172 case QEMU_OPTION_snapshot:
3173 snapshot = 1;
3174 break;
3175 case QEMU_OPTION_numa:
3176 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3177 optarg, true);
3178 if (!opts) {
3179 exit(1);
3180 }
3181 break;
3182 case QEMU_OPTION_display:
3183 parse_display(optarg);
3184 break;
3185 case QEMU_OPTION_nographic:
3186 olist = qemu_find_opts("machine");
3187 qemu_opts_parse_noisily(olist, "graphics=off", false);
3188 nographic = true;
3189 dpy.type = DISPLAY_TYPE_NONE;
3190 break;
3191 case QEMU_OPTION_curses:
3192 #ifdef CONFIG_CURSES
3193 dpy.type = DISPLAY_TYPE_CURSES;
3194 #else
3195 error_report("curses support is disabled");
3196 exit(1);
3197 #endif
3198 break;
3199 case QEMU_OPTION_portrait:
3200 graphic_rotate = 90;
3201 break;
3202 case QEMU_OPTION_rotate:
3203 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3204 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3205 graphic_rotate != 180 && graphic_rotate != 270) {
3206 error_report("only 90, 180, 270 deg rotation is available");
3207 exit(1);
3208 }
3209 break;
3210 case QEMU_OPTION_kernel:
3211 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3212 &error_abort);
3213 break;
3214 case QEMU_OPTION_initrd:
3215 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3216 &error_abort);
3217 break;
3218 case QEMU_OPTION_append:
3219 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3220 &error_abort);
3221 break;
3222 case QEMU_OPTION_dtb:
3223 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3224 &error_abort);
3225 break;
3226 case QEMU_OPTION_cdrom:
3227 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3228 break;
3229 case QEMU_OPTION_boot:
3230 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3231 optarg, true);
3232 if (!opts) {
3233 exit(1);
3234 }
3235 break;
3236 case QEMU_OPTION_fda:
3237 case QEMU_OPTION_fdb:
3238 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3239 optarg, FD_OPTS);
3240 break;
3241 case QEMU_OPTION_no_fd_bootchk:
3242 fd_bootchk = 0;
3243 break;
3244 case QEMU_OPTION_netdev:
3245 default_net = 0;
3246 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3247 exit(1);
3248 }
3249 break;
3250 case QEMU_OPTION_nic:
3251 default_net = 0;
3252 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3253 exit(1);
3254 }
3255 break;
3256 case QEMU_OPTION_net:
3257 default_net = 0;
3258 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3259 exit(1);
3260 }
3261 break;
3262 #ifdef CONFIG_LIBISCSI
3263 case QEMU_OPTION_iscsi:
3264 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3265 optarg, false);
3266 if (!opts) {
3267 exit(1);
3268 }
3269 break;
3270 #endif
3271 case QEMU_OPTION_bt:
3272 add_device_config(DEV_BT, optarg);
3273 break;
3274 case QEMU_OPTION_audio_help:
3275 AUD_help ();
3276 exit (0);
3277 break;
3278 case QEMU_OPTION_soundhw:
3279 select_soundhw (optarg);
3280 break;
3281 case QEMU_OPTION_h:
3282 help(0);
3283 break;
3284 case QEMU_OPTION_version:
3285 version();
3286 exit(0);
3287 break;
3288 case QEMU_OPTION_m:
3289 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3290 optarg, true);
3291 if (!opts) {
3292 exit(EXIT_FAILURE);
3293 }
3294 break;
3295 #ifdef CONFIG_TPM
3296 case QEMU_OPTION_tpmdev:
3297 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3298 exit(1);
3299 }
3300 break;
3301 #endif
3302 case QEMU_OPTION_mempath:
3303 mem_path = optarg;
3304 break;
3305 case QEMU_OPTION_mem_prealloc:
3306 mem_prealloc = 1;
3307 break;
3308 case QEMU_OPTION_d:
3309 log_mask = optarg;
3310 break;
3311 case QEMU_OPTION_D:
3312 log_file = optarg;
3313 break;
3314 case QEMU_OPTION_DFILTER:
3315 qemu_set_dfilter_ranges(optarg, &error_fatal);
3316 break;
3317 case QEMU_OPTION_s:
3318 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3319 break;
3320 case QEMU_OPTION_gdb:
3321 add_device_config(DEV_GDB, optarg);
3322 break;
3323 case QEMU_OPTION_L:
3324 if (is_help_option(optarg)) {
3325 list_data_dirs = true;
3326 } else {
3327 qemu_add_data_dir(optarg);
3328 }
3329 break;
3330 case QEMU_OPTION_bios:
3331 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3332 &error_abort);
3333 break;
3334 case QEMU_OPTION_singlestep:
3335 singlestep = 1;
3336 break;
3337 case QEMU_OPTION_S:
3338 autostart = 0;
3339 break;
3340 case QEMU_OPTION_k:
3341 keyboard_layout = optarg;
3342 break;
3343 case QEMU_OPTION_vga:
3344 vga_model = optarg;
3345 default_vga = 0;
3346 break;
3347 case QEMU_OPTION_g:
3348 {
3349 const char *p;
3350 int w, h, depth;
3351 p = optarg;
3352 w = strtol(p, (char **)&p, 10);
3353 if (w <= 0) {
3354 graphic_error:
3355 error_report("invalid resolution or depth");
3356 exit(1);
3357 }
3358 if (*p != 'x')
3359 goto graphic_error;
3360 p++;
3361 h = strtol(p, (char **)&p, 10);
3362 if (h <= 0)
3363 goto graphic_error;
3364 if (*p == 'x') {
3365 p++;
3366 depth = strtol(p, (char **)&p, 10);
3367 if (depth != 8 && depth != 15 && depth != 16 &&
3368 depth != 24 && depth != 32)
3369 goto graphic_error;
3370 } else if (*p == '\0') {
3371 depth = graphic_depth;
3372 } else {
3373 goto graphic_error;
3374 }
3375
3376 graphic_width = w;
3377 graphic_height = h;
3378 graphic_depth = depth;
3379 }
3380 break;
3381 case QEMU_OPTION_echr:
3382 {
3383 char *r;
3384 term_escape_char = strtol(optarg, &r, 0);
3385 if (r == optarg)
3386 printf("Bad argument to echr\n");
3387 break;
3388 }
3389 case QEMU_OPTION_monitor:
3390 default_monitor = 0;
3391 if (strncmp(optarg, "none", 4)) {
3392 monitor_parse(optarg, "readline", false);
3393 }
3394 break;
3395 case QEMU_OPTION_qmp:
3396 monitor_parse(optarg, "control", false);
3397 default_monitor = 0;
3398 break;
3399 case QEMU_OPTION_qmp_pretty:
3400 monitor_parse(optarg, "control", true);
3401 default_monitor = 0;
3402 break;
3403 case QEMU_OPTION_mon:
3404 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3405 true);
3406 if (!opts) {
3407 exit(1);
3408 }
3409 default_monitor = 0;
3410 break;
3411 case QEMU_OPTION_chardev:
3412 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3413 optarg, true);
3414 if (!opts) {
3415 exit(1);
3416 }
3417 break;
3418 case QEMU_OPTION_fsdev:
3419 olist = qemu_find_opts("fsdev");
3420 if (!olist) {
3421 error_report("fsdev support is disabled");
3422 exit(1);
3423 }
3424 opts = qemu_opts_parse_noisily(olist, optarg, true);
3425 if (!opts) {
3426 exit(1);
3427 }
3428 break;
3429 case QEMU_OPTION_virtfs: {
3430 QemuOpts *fsdev;
3431 QemuOpts *device;
3432 const char *writeout, *sock_fd, *socket, *path, *security_model;
3433
3434 olist = qemu_find_opts("virtfs");
3435 if (!olist) {
3436 error_report("virtfs support is disabled");
3437 exit(1);
3438 }
3439 opts = qemu_opts_parse_noisily(olist, optarg, true);
3440 if (!opts) {
3441 exit(1);
3442 }
3443
3444 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3445 qemu_opt_get(opts, "mount_tag") == NULL) {
3446 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3447 exit(1);
3448 }
3449 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3450 qemu_opts_id(opts) ?:
3451 qemu_opt_get(opts, "mount_tag"),
3452 1, NULL);
3453 if (!fsdev) {
3454 error_report("duplicate or invalid fsdev id: %s",
3455 qemu_opt_get(opts, "mount_tag"));
3456 exit(1);
3457 }
3458
3459 writeout = qemu_opt_get(opts, "writeout");
3460 if (writeout) {
3461 #ifdef CONFIG_SYNC_FILE_RANGE
3462 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3463 #else
3464 error_report("writeout=immediate not supported "
3465 "on this platform");
3466 exit(1);
3467 #endif
3468 }
3469 qemu_opt_set(fsdev, "fsdriver",
3470 qemu_opt_get(opts, "fsdriver"), &error_abort);
3471 path = qemu_opt_get(opts, "path");
3472 if (path) {
3473 qemu_opt_set(fsdev, "path", path, &error_abort);
3474 }
3475 security_model = qemu_opt_get(opts, "security_model");
3476 if (security_model) {
3477 qemu_opt_set(fsdev, "security_model", security_model,
3478 &error_abort);
3479 }
3480 socket = qemu_opt_get(opts, "socket");
3481 if (socket) {
3482 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3483 }
3484 sock_fd = qemu_opt_get(opts, "sock_fd");
3485 if (sock_fd) {
3486 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3487 }
3488
3489 qemu_opt_set_bool(fsdev, "readonly",
3490 qemu_opt_get_bool(opts, "readonly", 0),
3491 &error_abort);
3492 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3493 &error_abort);
3494 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3495 qemu_opt_set(device, "fsdev",
3496 qemu_opts_id(fsdev), &error_abort);
3497 qemu_opt_set(device, "mount_tag",
3498 qemu_opt_get(opts, "mount_tag"), &error_abort);
3499 break;
3500 }
3501 case QEMU_OPTION_virtfs_synth: {
3502 QemuOpts *fsdev;
3503 QemuOpts *device;
3504
3505 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3506 1, NULL);
3507 if (!fsdev) {
3508 error_report("duplicate option: %s", "virtfs_synth");
3509 exit(1);
3510 }
3511 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3512
3513 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3514 &error_abort);
3515 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3516 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3517 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3518 break;
3519 }
3520 case QEMU_OPTION_serial:
3521 add_device_config(DEV_SERIAL, optarg);
3522 default_serial = 0;
3523 if (strncmp(optarg, "mon:", 4) == 0) {
3524 default_monitor = 0;
3525 }
3526 break;
3527 case QEMU_OPTION_watchdog:
3528 if (watchdog) {
3529 error_report("only one watchdog option may be given");
3530 return 1;
3531 }
3532 watchdog = optarg;
3533 break;
3534 case QEMU_OPTION_watchdog_action:
3535 if (select_watchdog_action(optarg) == -1) {
3536 error_report("unknown -watchdog-action parameter");
3537 exit(1);
3538 }
3539 break;
3540 case QEMU_OPTION_virtiocon:
3541 warn_report("This option is deprecated, "
3542 "use '-device virtconsole' instead");
3543 add_device_config(DEV_VIRTCON, optarg);
3544 default_virtcon = 0;
3545 if (strncmp(optarg, "mon:", 4) == 0) {
3546 default_monitor = 0;
3547 }
3548 break;
3549 case QEMU_OPTION_parallel:
3550 add_device_config(DEV_PARALLEL, optarg);
3551 default_parallel = 0;
3552 if (strncmp(optarg, "mon:", 4) == 0) {
3553 default_monitor = 0;
3554 }
3555 break;
3556 case QEMU_OPTION_debugcon:
3557 add_device_config(DEV_DEBUGCON, optarg);
3558 break;
3559 case QEMU_OPTION_loadvm:
3560 loadvm = optarg;
3561 break;
3562 case QEMU_OPTION_full_screen:
3563 dpy.has_full_screen = true;
3564 dpy.full_screen = true;
3565 break;
3566 case QEMU_OPTION_no_frame:
3567 g_printerr("The -no-frame switch is deprecated, and will be\n"
3568 "removed in a future release.\n");
3569 no_frame = 1;
3570 break;
3571 case QEMU_OPTION_alt_grab:
3572 alt_grab = 1;
3573 break;
3574 case QEMU_OPTION_ctrl_grab:
3575 ctrl_grab = 1;
3576 break;
3577 case QEMU_OPTION_no_quit:
3578 dpy.has_window_close = true;
3579 dpy.window_close = false;
3580 break;
3581 case QEMU_OPTION_sdl:
3582 #ifdef CONFIG_SDL
3583 dpy.type = DISPLAY_TYPE_SDL;
3584 break;
3585 #else
3586 error_report("SDL support is disabled");
3587 exit(1);
3588 #endif
3589 case QEMU_OPTION_pidfile:
3590 pid_file = optarg;
3591 break;
3592 case QEMU_OPTION_win2k_hack:
3593 win2k_install_hack = 1;
3594 break;
3595 case QEMU_OPTION_acpitable:
3596 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3597 optarg, true);
3598 if (!opts) {
3599 exit(1);
3600 }
3601 acpi_table_add(opts, &error_fatal);
3602 break;
3603 case QEMU_OPTION_smbios:
3604 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3605 optarg, false);
3606 if (!opts) {
3607 exit(1);
3608 }
3609 smbios_entry_add(opts, &error_fatal);
3610 break;
3611 case QEMU_OPTION_fwcfg:
3612 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3613 optarg, true);
3614 if (opts == NULL) {
3615 exit(1);
3616 }
3617 break;
3618 case QEMU_OPTION_preconfig:
3619 preconfig_exit_requested = false;
3620 break;
3621 case QEMU_OPTION_enable_kvm:
3622 olist = qemu_find_opts("machine");
3623 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3624 break;
3625 case QEMU_OPTION_enable_hax:
3626 warn_report("Option is deprecated, use '-accel hax' instead");
3627 olist = qemu_find_opts("machine");
3628 qemu_opts_parse_noisily(olist, "accel=hax", false);
3629 break;
3630 case QEMU_OPTION_M:
3631 case QEMU_OPTION_machine:
3632 olist = qemu_find_opts("machine");
3633 opts = qemu_opts_parse_noisily(olist, optarg, true);
3634 if (!opts) {
3635 exit(1);
3636 }
3637 break;
3638 case QEMU_OPTION_no_kvm:
3639 olist = qemu_find_opts("machine");
3640 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3641 break;
3642 case QEMU_OPTION_accel:
3643 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3644 optarg, true);
3645 optarg = qemu_opt_get(accel_opts, "accel");
3646 if (!optarg || is_help_option(optarg)) {
3647 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3648 exit(0);
3649 }
3650 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3651 false, &error_abort);
3652 qemu_opt_set(opts, "accel", optarg, &error_abort);
3653 break;
3654 case QEMU_OPTION_usb:
3655 olist = qemu_find_opts("machine");
3656 qemu_opts_parse_noisily(olist, "usb=on", false);
3657 break;
3658 case QEMU_OPTION_usbdevice:
3659 error_report("'-usbdevice' is deprecated, please use "
3660 "'-device usb-...' instead");
3661 olist = qemu_find_opts("machine");
3662 qemu_opts_parse_noisily(olist, "usb=on", false);
3663 add_device_config(DEV_USB, optarg);
3664 break;
3665 case QEMU_OPTION_device:
3666 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3667 optarg, true)) {
3668 exit(1);
3669 }
3670 break;
3671 case QEMU_OPTION_smp:
3672 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3673 optarg, true)) {
3674 exit(1);
3675 }
3676 break;
3677 case QEMU_OPTION_vnc:
3678 vnc_parse(optarg, &error_fatal);
3679 break;
3680 case QEMU_OPTION_no_acpi:
3681 acpi_enabled = 0;
3682 break;
3683 case QEMU_OPTION_no_hpet:
3684 no_hpet = 1;
3685 break;
3686 case QEMU_OPTION_no_reboot:
3687 no_reboot = 1;
3688 break;
3689 case QEMU_OPTION_no_shutdown:
3690 no_shutdown = 1;
3691 break;
3692 case QEMU_OPTION_show_cursor:
3693 cursor_hide = 0;
3694 break;
3695 case QEMU_OPTION_uuid:
3696 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3697 error_report("failed to parse UUID string: wrong format");
3698 exit(1);
3699 }
3700 qemu_uuid_set = true;
3701 break;
3702 case QEMU_OPTION_option_rom:
3703 if (nb_option_roms >= MAX_OPTION_ROMS) {
3704 error_report("too many option ROMs");
3705 exit(1);
3706 }
3707 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3708 optarg, true);
3709 if (!opts) {
3710 exit(1);
3711 }
3712 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3713 option_rom[nb_option_roms].bootindex =
3714 qemu_opt_get_number(opts, "bootindex", -1);
3715 if (!option_rom[nb_option_roms].name) {
3716 error_report("Option ROM file is not specified");
3717 exit(1);
3718 }
3719 nb_option_roms++;
3720 break;
3721 case QEMU_OPTION_semihosting:
3722 semihosting.enabled = true;
3723 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3724 break;
3725 case QEMU_OPTION_semihosting_config:
3726 semihosting.enabled = true;
3727 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3728 optarg, false);
3729 if (opts != NULL) {
3730 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3731 true);
3732 const char *target = qemu_opt_get(opts, "target");
3733 if (target != NULL) {
3734 if (strcmp("native", target) == 0) {
3735 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3736 } else if (strcmp("gdb", target) == 0) {
3737 semihosting.target = SEMIHOSTING_TARGET_GDB;
3738 } else if (strcmp("auto", target) == 0) {
3739 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3740 } else {
3741 error_report("unsupported semihosting-config %s",
3742 optarg);
3743 exit(1);
3744 }
3745 } else {
3746 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3747 }
3748 /* Set semihosting argument count and vector */
3749 qemu_opt_foreach(opts, add_semihosting_arg,
3750 &semihosting, NULL);
3751 } else {
3752 error_report("unsupported semihosting-config %s", optarg);
3753 exit(1);
3754 }
3755 break;
3756 case QEMU_OPTION_name:
3757 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3758 optarg, true);
3759 if (!opts) {
3760 exit(1);
3761 }
3762 break;
3763 case QEMU_OPTION_prom_env:
3764 if (nb_prom_envs >= MAX_PROM_ENVS) {
3765 error_report("too many prom variables");
3766 exit(1);
3767 }
3768 prom_envs[nb_prom_envs] = optarg;
3769 nb_prom_envs++;
3770 break;
3771 case QEMU_OPTION_old_param:
3772 old_param = 1;
3773 break;
3774 case QEMU_OPTION_clock:
3775 /* Clock options no longer exist. Keep this option for
3776 * backward compatibility.
3777 */
3778 warn_report("This option is ignored and will be removed soon");
3779 break;
3780 case QEMU_OPTION_rtc:
3781 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3782 false);
3783 if (!opts) {
3784 exit(1);
3785 }
3786 break;
3787 case QEMU_OPTION_tb_size:
3788 #ifndef CONFIG_TCG
3789 error_report("TCG is disabled");
3790 exit(1);
3791 #endif
3792 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3793 error_report("Invalid argument to -tb-size");
3794 exit(1);
3795 }
3796 break;
3797 case QEMU_OPTION_icount:
3798 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3799 optarg, true);
3800 if (!icount_opts) {
3801 exit(1);
3802 }
3803 break;
3804 case QEMU_OPTION_incoming:
3805 if (!incoming) {
3806 runstate_set(RUN_STATE_INMIGRATE);
3807 }
3808 incoming = optarg;
3809 break;
3810 case QEMU_OPTION_only_migratable:
3811 /*
3812 * TODO: we can remove this option one day, and we
3813 * should all use:
3814 *
3815 * "-global migration.only-migratable=true"
3816 */
3817 qemu_global_option("migration.only-migratable=true");
3818 break;
3819 case QEMU_OPTION_nodefaults:
3820 has_defaults = 0;
3821 break;
3822 case QEMU_OPTION_xen_domid:
3823 if (!(xen_available())) {
3824 error_report("Option not supported for this target");
3825 exit(1);
3826 }
3827 xen_domid = atoi(optarg);
3828 break;
3829 case QEMU_OPTION_xen_create:
3830 if (!(xen_available())) {
3831 error_report("Option not supported for this target");
3832 exit(1);
3833 }
3834 xen_mode = XEN_CREATE;
3835 break;
3836 case QEMU_OPTION_xen_attach:
3837 if (!(xen_available())) {
3838 error_report("Option not supported for this target");
3839 exit(1);
3840 }
3841 xen_mode = XEN_ATTACH;
3842 break;
3843 case QEMU_OPTION_xen_domid_restrict:
3844 if (!(xen_available())) {
3845 error_report("Option not supported for this target");
3846 exit(1);
3847 }
3848 xen_domid_restrict = true;
3849 break;
3850 case QEMU_OPTION_trace:
3851 g_free(trace_file);
3852 trace_file = trace_opt_parse(optarg);
3853 break;
3854 case QEMU_OPTION_readconfig:
3855 {
3856 int ret = qemu_read_config_file(optarg);
3857 if (ret < 0) {
3858 error_report("read config %s: %s", optarg,
3859 strerror(-ret));
3860 exit(1);
3861 }
3862 break;
3863 }
3864 case QEMU_OPTION_spice:
3865 olist = qemu_find_opts("spice");
3866 if (!olist) {
3867 error_report("spice support is disabled");
3868 exit(1);
3869 }
3870 opts = qemu_opts_parse_noisily(olist, optarg, false);
3871 if (!opts) {
3872 exit(1);
3873 }
3874 display_remote++;
3875 break;
3876 case QEMU_OPTION_writeconfig:
3877 {
3878 FILE *fp;
3879 if (strcmp(optarg, "-") == 0) {
3880 fp = stdout;
3881 } else {
3882 fp = fopen(optarg, "w");
3883 if (fp == NULL) {
3884 error_report("open %s: %s", optarg,
3885 strerror(errno));
3886 exit(1);
3887 }
3888 }
3889 qemu_config_write(fp);
3890 if (fp != stdout) {
3891 fclose(fp);
3892 }
3893 break;
3894 }
3895 case QEMU_OPTION_qtest:
3896 qtest_chrdev = optarg;
3897 break;
3898 case QEMU_OPTION_qtest_log:
3899 qtest_log = optarg;
3900 break;
3901 case QEMU_OPTION_sandbox:
3902 #ifdef CONFIG_SECCOMP
3903 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3904 optarg, true);
3905 if (!opts) {
3906 exit(1);
3907 }
3908 #else
3909 error_report("-sandbox support is not enabled "
3910 "in this QEMU binary");
3911 exit(1);
3912 #endif
3913 break;
3914 case QEMU_OPTION_add_fd:
3915 #ifndef _WIN32
3916 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3917 optarg, false);
3918 if (!opts) {
3919 exit(1);
3920 }
3921 #else
3922 error_report("File descriptor passing is disabled on this "
3923 "platform");
3924 exit(1);
3925 #endif
3926 break;
3927 case QEMU_OPTION_object:
3928 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3929 optarg, true);
3930 if (!opts) {
3931 exit(1);
3932 }
3933 break;
3934 case QEMU_OPTION_realtime:
3935 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3936 optarg, false);
3937 if (!opts) {
3938 exit(1);
3939 }
3940 /* Don't override the -overcommit option if set */
3941 enable_mlock = enable_mlock ||
3942 qemu_opt_get_bool(opts, "mlock", true);
3943 break;
3944 case QEMU_OPTION_overcommit:
3945 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3946 optarg, false);
3947 if (!opts) {
3948 exit(1);
3949 }
3950 /* Don't override the -realtime option if set */
3951 enable_mlock = enable_mlock ||
3952 qemu_opt_get_bool(opts, "mem-lock", false);
3953 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3954 break;
3955 case QEMU_OPTION_msg:
3956 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3957 false);
3958 if (!opts) {
3959 exit(1);
3960 }
3961 configure_msg(opts);
3962 break;
3963 case QEMU_OPTION_dump_vmstate:
3964 if (vmstate_dump_file) {
3965 error_report("only one '-dump-vmstate' "
3966 "option may be given");
3967 exit(1);
3968 }
3969 vmstate_dump_file = fopen(optarg, "w");
3970 if (vmstate_dump_file == NULL) {
3971 error_report("open %s: %s", optarg, strerror(errno));
3972 exit(1);
3973 }
3974 break;
3975 case QEMU_OPTION_enable_sync_profile:
3976 qsp_enable();
3977 break;
3978 case QEMU_OPTION_nouserconfig:
3979 /* Nothing to be parsed here. Especially, do not error out below. */
3980 break;
3981 default:
3982 if (os_parse_cmd_args(popt->index, optarg)) {
3983 error_report("Option not supported in this build");
3984 exit(1);
3985 }
3986 }
3987 }
3988 }
3989 /*
3990 * Clear error location left behind by the loop.
3991 * Best done right after the loop. Do not insert code here!
3992 */
3993 loc_set_none();
3994
3995 replay_configure(icount_opts);
3996
3997 if (incoming && !preconfig_exit_requested) {
3998 error_report("'preconfig' and 'incoming' options are "
3999 "mutually exclusive");
4000 exit(EXIT_FAILURE);
4001 }
4002
4003 configure_rtc(qemu_find_opts_singleton("rtc"));
4004
4005 machine_class = select_machine();
4006
4007 set_memory_options(&ram_slots, &maxram_size, machine_class);
4008
4009 os_daemonize();
4010 rcu_disable_atfork();
4011
4012 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4013 error_reportf_err(err, "cannot create PID file: ");
4014 exit(1);
4015 }
4016
4017 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4018 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4019
4020 if (qemu_init_main_loop(&main_loop_err)) {
4021 error_report_err(main_loop_err);
4022 exit(1);
4023 }
4024
4025 #ifdef CONFIG_SECCOMP
4026 olist = qemu_find_opts_err("sandbox", NULL);
4027 if (olist) {
4028 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4029 }
4030 #endif
4031
4032 qemu_opts_foreach(qemu_find_opts("name"),
4033 parse_name, NULL, &error_fatal);
4034
4035 #ifndef _WIN32
4036 qemu_opts_foreach(qemu_find_opts("add-fd"),
4037 parse_add_fd, NULL, &error_fatal);
4038
4039 qemu_opts_foreach(qemu_find_opts("add-fd"),
4040 cleanup_add_fd, NULL, &error_fatal);
4041 #endif
4042
4043 current_machine = MACHINE(object_new(object_class_get_name(
4044 OBJECT_CLASS(machine_class))));
4045 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4046 exit(0);
4047 }
4048 object_property_add_child(object_get_root(), "machine",
4049 OBJECT(current_machine), &error_abort);
4050
4051 if (machine_class->minimum_page_bits) {
4052 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4053 /* This would be a board error: specifying a minimum smaller than
4054 * a target's compile-time fixed setting.
4055 */
4056 g_assert_not_reached();
4057 }
4058 }
4059
4060 cpu_exec_init_all();
4061
4062 if (machine_class->hw_version) {
4063 qemu_set_hw_version(machine_class->hw_version);
4064 }
4065
4066 if (cpu_model && is_help_option(cpu_model)) {
4067 list_cpus(stdout, &fprintf, cpu_model);
4068 exit(0);
4069 }
4070
4071 if (!trace_init_backends()) {
4072 exit(1);
4073 }
4074 trace_init_file(trace_file);
4075
4076 /* Open the logfile at this point and set the log mask if necessary.
4077 */
4078 if (log_file) {
4079 qemu_set_log_filename(log_file, &error_fatal);
4080 }
4081
4082 if (log_mask) {
4083 int mask;
4084 mask = qemu_str_to_log_mask(log_mask);
4085 if (!mask) {
4086 qemu_print_log_usage(stdout);
4087 exit(1);
4088 }
4089 qemu_set_log(mask);
4090 } else {
4091 qemu_set_log(0);
4092 }
4093
4094 /* add configured firmware directories */
4095 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4096 for (i = 0; dirs[i] != NULL; i++) {
4097 qemu_add_data_dir(dirs[i]);
4098 }
4099 g_strfreev(dirs);
4100
4101 /* try to find datadir relative to the executable path */
4102 dir = os_find_datadir();
4103 qemu_add_data_dir(dir);
4104 g_free(dir);
4105
4106 /* add the datadir specified when building */
4107 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4108
4109 /* -L help lists the data directories and exits. */
4110 if (list_data_dirs) {
4111 for (i = 0; i < data_dir_idx; i++) {
4112 printf("%s\n", data_dir[i]);
4113 }
4114 exit(0);
4115 }
4116
4117 /* machine_class: default to UP */
4118 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4119 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4120 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4121
4122 /* default to machine_class->default_cpus */
4123 smp_cpus = machine_class->default_cpus;
4124 max_cpus = machine_class->default_cpus;
4125
4126 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4127
4128 /* sanity-check smp_cpus and max_cpus against machine_class */
4129 if (smp_cpus < machine_class->min_cpus) {
4130 error_report("Invalid SMP CPUs %d. The min CPUs "
4131 "supported by machine '%s' is %d", smp_cpus,
4132 machine_class->name, machine_class->min_cpus);
4133 exit(1);
4134 }
4135 if (max_cpus > machine_class->max_cpus) {
4136 error_report("Invalid SMP CPUs %d. The max CPUs "
4137 "supported by machine '%s' is %d", max_cpus,
4138 machine_class->name, machine_class->max_cpus);
4139 exit(1);
4140 }
4141
4142 /*
4143 * Get the default machine options from the machine if it is not already
4144 * specified either by the configuration file or by the command line.
4145 */
4146 if (machine_class->default_machine_opts) {
4147 qemu_opts_set_defaults(qemu_find_opts("machine"),
4148 machine_class->default_machine_opts, 0);
4149 }
4150
4151 qemu_opts_foreach(qemu_find_opts("device"),
4152 default_driver_check, NULL, NULL);
4153 qemu_opts_foreach(qemu_find_opts("global"),
4154 default_driver_check, NULL, NULL);
4155
4156 if (!vga_model && !default_vga) {
4157 vga_interface_type = VGA_DEVICE;
4158 }
4159 if (!has_defaults || machine_class->no_serial) {
4160 default_serial = 0;
4161 }
4162 if (!has_defaults || machine_class->no_parallel) {
4163 default_parallel = 0;
4164 }
4165 if (!has_defaults || !machine_class->use_virtcon) {
4166 default_virtcon = 0;
4167 }
4168 if (!has_defaults || machine_class->no_floppy) {
4169 default_floppy = 0;
4170 }
4171 if (!has_defaults || machine_class->no_cdrom) {
4172 default_cdrom = 0;
4173 }
4174 if (!has_defaults || machine_class->no_sdcard) {
4175 default_sdcard = 0;
4176 }
4177 if (!has_defaults) {
4178 default_monitor = 0;
4179 default_net = 0;
4180 default_vga = 0;
4181 }
4182
4183 if (is_daemonized()) {
4184 if (!preconfig_exit_requested) {
4185 error_report("'preconfig' and 'daemonize' options are "
4186 "mutually exclusive");
4187 exit(EXIT_FAILURE);
4188 }
4189
4190 /* According to documentation and historically, -nographic redirects
4191 * serial port, parallel port and monitor to stdio, which does not work
4192 * with -daemonize. We can redirect these to null instead, but since
4193 * -nographic is legacy, let's just error out.
4194 * We disallow -nographic only if all other ports are not redirected
4195 * explicitly, to not break existing legacy setups which uses
4196 * -nographic _and_ redirects all ports explicitly - this is valid
4197 * usage, -nographic is just a no-op in this case.
4198 */
4199 if (nographic
4200 && (default_parallel || default_serial
4201 || default_monitor || default_virtcon)) {
4202 error_report("-nographic cannot be used with -daemonize");
4203 exit(1);
4204 }
4205 #ifdef CONFIG_CURSES
4206 if (dpy.type == DISPLAY_TYPE_CURSES) {
4207 error_report("curses display cannot be used with -daemonize");
4208 exit(1);
4209 }
4210 #endif
4211 }
4212
4213 if (nographic) {
4214 if (default_parallel)
4215 add_device_config(DEV_PARALLEL, "null");
4216 if (default_serial && default_monitor) {
4217 add_device_config(DEV_SERIAL, "mon:stdio");
4218 } else if (default_virtcon && default_monitor) {
4219 add_device_config(DEV_VIRTCON, "mon:stdio");
4220 } else {
4221 if (default_serial)
4222 add_device_config(DEV_SERIAL, "stdio");
4223 if (default_virtcon)
4224 add_device_config(DEV_VIRTCON, "stdio");
4225 if (default_monitor)
4226 monitor_parse("stdio", "readline", false);
4227 }
4228 } else {
4229 if (default_serial)
4230 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4231 if (default_parallel)
4232 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4233 if (default_monitor)
4234 monitor_parse("vc:80Cx24C", "readline", false);
4235 if (default_virtcon)
4236 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4237 }
4238
4239 #if defined(CONFIG_VNC)
4240 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4241 display_remote++;
4242 }
4243 #endif
4244 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4245 if (!qemu_display_find_default(&dpy)) {
4246 dpy.type = DISPLAY_TYPE_NONE;
4247 #if defined(CONFIG_VNC)
4248 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4249 #endif
4250 }
4251 }
4252 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4253 dpy.type = DISPLAY_TYPE_NONE;
4254 }
4255
4256 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4257 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4258 "for SDL, ignoring option");
4259 }
4260 if (dpy.has_window_close &&
4261 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4262 error_report("-no-quit is only valid for GTK and SDL, "
4263 "ignoring option");
4264 }
4265
4266 qemu_display_early_init(&dpy);
4267 qemu_console_early_init();
4268
4269 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4270 #if defined(CONFIG_OPENGL)
4271 error_report("OpenGL is not supported by the display");
4272 #else
4273 error_report("OpenGL support is disabled");
4274 #endif
4275 exit(1);
4276 }
4277
4278 page_size_init();
4279 socket_init();
4280
4281 qemu_opts_foreach(qemu_find_opts("object"),
4282 user_creatable_add_opts_foreach,
4283 object_create_initial, &error_fatal);
4284
4285 qemu_opts_foreach(qemu_find_opts("chardev"),
4286 chardev_init_func, NULL, &error_fatal);
4287
4288 #ifdef CONFIG_VIRTFS
4289 qemu_opts_foreach(qemu_find_opts("fsdev"),
4290 fsdev_init_func, NULL, &error_fatal);
4291 #endif
4292
4293 if (qemu_opts_foreach(qemu_find_opts("device"),
4294 device_help_func, NULL, NULL)) {
4295 exit(0);
4296 }
4297
4298 machine_opts = qemu_get_machine_opts();
4299 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4300 &error_fatal);
4301
4302 configure_accelerator(current_machine);
4303
4304 if (!qtest_enabled() && machine_class->deprecation_reason) {
4305 error_report("Machine type '%s' is deprecated: %s",
4306 machine_class->name, machine_class->deprecation_reason);
4307 }
4308
4309 /*
4310 * Register all the global properties, including accel properties,
4311 * machine properties, and user-specified ones.
4312 */
4313 register_global_properties(current_machine);
4314
4315 /*
4316 * Migration object can only be created after global properties
4317 * are applied correctly.
4318 */
4319 migration_object_init();
4320
4321 if (qtest_chrdev) {
4322 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4323 }
4324
4325 machine_opts = qemu_get_machine_opts();
4326 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4327 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4328 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4329 bios_name = qemu_opt_get(machine_opts, "firmware");
4330
4331 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4332 if (opts) {
4333 boot_order = qemu_opt_get(opts, "order");
4334 if (boot_order) {
4335 validate_bootdevices(boot_order, &error_fatal);
4336 }
4337
4338 boot_once = qemu_opt_get(opts, "once");
4339 if (boot_once) {
4340 validate_bootdevices(boot_once, &error_fatal);
4341 }
4342
4343 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4344 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4345 }
4346
4347 if (!boot_order) {
4348 boot_order = machine_class->default_boot_order;
4349 }
4350
4351 if (!kernel_cmdline) {
4352 kernel_cmdline = "";
4353 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4354 }
4355
4356 linux_boot = (kernel_filename != NULL);
4357
4358 if (!linux_boot && *kernel_cmdline != '\0') {
4359 error_report("-append only allowed with -kernel option");
4360 exit(1);
4361 }
4362
4363 if (!linux_boot && initrd_filename != NULL) {
4364 error_report("-initrd only allowed with -kernel option");
4365 exit(1);
4366 }
4367
4368 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4369 /* fall back to the -kernel/-append */
4370 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4371 }
4372
4373 os_set_line_buffering();
4374
4375 /* spice needs the timers to be initialized by this point */
4376 qemu_spice_init();
4377
4378 cpu_ticks_init();
4379 if (icount_opts) {
4380 if (!tcg_enabled()) {
4381 error_report("-icount is not allowed with hardware virtualization");
4382 exit(1);
4383 }
4384 configure_icount(icount_opts, &error_abort);
4385 qemu_opts_del(icount_opts);
4386 }
4387
4388 if (tcg_enabled()) {
4389 qemu_tcg_configure(accel_opts, &error_fatal);
4390 }
4391
4392 if (default_net) {
4393 QemuOptsList *net = qemu_find_opts("net");
4394 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4395 #ifdef CONFIG_SLIRP
4396 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4397 #endif
4398 }
4399
4400 if (net_init_clients(&err) < 0) {
4401 error_report_err(err);
4402 exit(1);
4403 }
4404
4405 qemu_opts_foreach(qemu_find_opts("object"),
4406 user_creatable_add_opts_foreach,
4407 object_create_delayed, &error_fatal);
4408
4409 tpm_init();
4410
4411 /* init the bluetooth world */
4412 if (foreach_device_config(DEV_BT, bt_parse))
4413 exit(1);
4414
4415 if (!xen_enabled()) {
4416 /* On 32-bit hosts, QEMU is limited by virtual address space */
4417 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4418 error_report("at most 2047 MB RAM can be simulated");
4419 exit(1);
4420 }
4421 }
4422
4423 blk_mig_init();
4424 ram_mig_init();
4425 dirty_bitmap_mig_init();
4426
4427 /* If the currently selected machine wishes to override the units-per-bus
4428 * property of its default HBA interface type, do so now. */
4429 if (machine_class->units_per_default_bus) {
4430 override_max_devs(machine_class->block_default_type,
4431 machine_class->units_per_default_bus);
4432 }
4433
4434 /* open the virtual block devices */
4435 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4436 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4437
4438 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4439 loc_push_restore(&bdo->loc);
4440 qmp_blockdev_add(bdo->bdo, &error_fatal);
4441 loc_pop(&bdo->loc);
4442 qapi_free_BlockdevOptions(bdo->bdo);
4443 g_free(bdo);
4444 }
4445 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4446 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4447 NULL, NULL);
4448 }
4449 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4450 &machine_class->block_default_type, &error_fatal)) {
4451 /* We printed help */
4452 exit(0);
4453 }
4454
4455 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4456 CDROM_OPTS);
4457 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4458 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4459
4460 qemu_opts_foreach(qemu_find_opts("mon"),
4461 mon_init_func, NULL, &error_fatal);
4462
4463 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4464 exit(1);
4465 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4466 exit(1);
4467 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4468 exit(1);
4469 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4470 exit(1);
4471
4472 /* If no default VGA is requested, the default is "none". */
4473 if (default_vga) {
4474 if (machine_class->default_display) {
4475 vga_model = machine_class->default_display;
4476 } else if (vga_interface_available(VGA_CIRRUS)) {
4477 vga_model = "cirrus";
4478 } else if (vga_interface_available(VGA_STD)) {
4479 vga_model = "std";
4480 }
4481 }
4482 if (vga_model) {
4483 select_vgahw(vga_model);
4484 }
4485
4486 if (watchdog) {
4487 i = select_watchdog(watchdog);
4488 if (i > 0)
4489 exit (i == 1 ? 1 : 0);
4490 }
4491
4492 /* This checkpoint is required by replay to separate prior clock
4493 reading from the other reads, because timer polling functions query
4494 clock values from the log. */
4495 replay_checkpoint(CHECKPOINT_INIT);
4496 qdev_machine_init();
4497
4498 current_machine->ram_size = ram_size;
4499 current_machine->maxram_size = maxram_size;
4500 current_machine->ram_slots = ram_slots;
4501 current_machine->boot_order = boot_order;
4502
4503 /* parse features once if machine provides default cpu_type */
4504 current_machine->cpu_type = machine_class->default_cpu_type;
4505 if (cpu_model) {
4506 current_machine->cpu_type = parse_cpu_model(cpu_model);
4507 }
4508 parse_numa_opts(current_machine);
4509
4510 /* do monitor/qmp handling at preconfig state if requested */
4511 main_loop();
4512
4513 /* from here on runstate is RUN_STATE_PRELAUNCH */
4514 machine_run_board_init(current_machine);
4515
4516 realtime_init();
4517
4518 soundhw_init();
4519
4520 if (hax_enabled()) {
4521 hax_sync_vcpus();
4522 }
4523
4524 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4525 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4526
4527 /* init USB devices */
4528 if (machine_usb(current_machine)) {
4529 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4530 exit(1);
4531 }
4532
4533 /* Check if IGD GFX passthrough. */
4534 igd_gfx_passthru();
4535
4536 /* init generic devices */
4537 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4538 qemu_opts_foreach(qemu_find_opts("device"),
4539 device_init_func, NULL, &error_fatal);
4540
4541 cpu_synchronize_all_post_init();
4542
4543 rom_reset_order_override();
4544
4545 /* Did we create any drives that we failed to create a device for? */
4546 drive_check_orphaned();
4547
4548 /* Don't warn about the default network setup that you get if
4549 * no command line -net or -netdev options are specified. There
4550 * are two cases that we would otherwise complain about:
4551 * (1) board doesn't support a NIC but the implicit "-net nic"
4552 * requested one
4553 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4554 * sets up a nic that isn't connected to anything.
4555 */
4556 if (!default_net && (!qtest_enabled() || has_defaults)) {
4557 net_check_clients();
4558 }
4559
4560 if (boot_once) {
4561 qemu_boot_set(boot_once, &error_fatal);
4562 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4563 }
4564
4565 /* init local displays */
4566 ds = init_displaystate();
4567 qemu_display_init(ds, &dpy);
4568
4569 /* must be after terminal init, SDL library changes signal handlers */
4570 os_setup_signal_handling();
4571
4572 /* init remote displays */
4573 #ifdef CONFIG_VNC
4574 qemu_opts_foreach(qemu_find_opts("vnc"),
4575 vnc_init_func, NULL, &error_fatal);
4576 #endif
4577
4578 if (using_spice) {
4579 qemu_spice_display_init();
4580 }
4581
4582 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4583 exit(1);
4584 }
4585
4586 qdev_machine_creation_done();
4587
4588 /* TODO: once all bus devices are qdevified, this should be done
4589 * when bus is created by qdev.c */
4590 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4591 qemu_run_machine_init_done_notifiers();
4592
4593 if (rom_check_and_register_reset() != 0) {
4594 error_report("rom check and register reset failed");
4595 exit(1);
4596 }
4597
4598 replay_start();
4599
4600 /* This checkpoint is required by replay to separate prior clock
4601 reading from the other reads, because timer polling functions query
4602 clock values from the log. */
4603 replay_checkpoint(CHECKPOINT_RESET);
4604 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4605 register_global_state();
4606 if (loadvm) {
4607 Error *local_err = NULL;
4608 if (load_snapshot(loadvm, &local_err) < 0) {
4609 error_report_err(local_err);
4610 autostart = 0;
4611 exit(1);
4612 }
4613 }
4614 if (replay_mode != REPLAY_MODE_NONE) {
4615 replay_vmstate_init();
4616 }
4617
4618 qdev_prop_check_globals();
4619 if (vmstate_dump_file) {
4620 /* dump and exit */
4621 dump_vmstate_json_to_file(vmstate_dump_file);
4622 return 0;
4623 }
4624
4625 if (incoming) {
4626 Error *local_err = NULL;
4627 qemu_start_incoming_migration(incoming, &local_err);
4628 if (local_err) {
4629 error_reportf_err(local_err, "-incoming %s: ", incoming);
4630 exit(1);
4631 }
4632 } else if (autostart) {
4633 vm_start();
4634 }
4635
4636 accel_setup_post(current_machine);
4637 os_setup_post();
4638
4639 main_loop();
4640
4641 gdbserver_cleanup();
4642
4643 /* No more vcpu or device emulation activity beyond this point */
4644 vm_shutdown();
4645
4646 job_cancel_sync_all();
4647 bdrv_close_all();
4648
4649 res_free();
4650
4651 /* vhost-user must be cleaned up before chardevs. */
4652 tpm_cleanup();
4653 net_cleanup();
4654 audio_cleanup();
4655 monitor_cleanup();
4656 qemu_chr_cleanup();
4657 user_creatable_cleanup();
4658 migration_object_finalize();
4659 /* TODO: unref root container, check all devices are ok */
4660
4661 return 0;
4662 }
QEmu