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hw/mips: Use object_initialize() on MIPSCPSState
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/firmware/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109 #include "trace-root.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/arch_init.h"
113
114 #include "ui/qemu-spice.h"
115 #include "qapi/string-input-visitor.h"
116 #include "qapi/opts-visitor.h"
117 #include "qapi/clone-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "exec/semihost.h"
120 #include "crypto/init.h"
121 #include "sysemu/replay.h"
122 #include "qapi/qapi-events-run-state.h"
123 #include "qapi/qapi-visit-block-core.h"
124 #include "qapi/qapi-visit-ui.h"
125 #include "qapi/qapi-commands-block-core.h"
126 #include "qapi/qapi-commands-misc.h"
127 #include "qapi/qapi-commands-run-state.h"
128 #include "qapi/qapi-commands-ui.h"
129 #include "qapi/qmp/qerror.h"
130 #include "sysemu/iothread.h"
131 #include "qemu/guest-random.h"
132
133 #define MAX_VIRTIO_CONSOLES 1
134
135 static const char *data_dir[16];
136 static int data_dir_idx;
137 const char *bios_name = NULL;
138 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
139 int display_opengl;
140 const char* keyboard_layout = NULL;
141 ram_addr_t ram_size;
142 const char *mem_path = NULL;
143 int mem_prealloc = 0; /* force preallocation of physical target memory */
144 bool enable_mlock = false;
145 bool enable_cpu_pm = false;
146 int nb_nics;
147 NICInfo nd_table[MAX_NICS];
148 int autostart;
149 static enum {
150 RTC_BASE_UTC,
151 RTC_BASE_LOCALTIME,
152 RTC_BASE_DATETIME,
153 } rtc_base_type = RTC_BASE_UTC;
154 static time_t rtc_ref_start_datetime;
155 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
156 static int rtc_host_datetime_offset = -1; /* valid & used only with
157 RTC_BASE_DATETIME */
158 QEMUClockType rtc_clock;
159 int vga_interface_type = VGA_NONE;
160 static DisplayOptions dpy;
161 static int num_serial_hds;
162 static Chardev **serial_hds;
163 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
164 int win2k_install_hack = 0;
165 int singlestep = 0;
166 int smp_cpus;
167 unsigned int max_cpus;
168 int smp_cores = 1;
169 int smp_threads = 1;
170 int acpi_enabled = 1;
171 int no_hpet = 0;
172 int fd_bootchk = 1;
173 static int no_reboot;
174 int no_shutdown = 0;
175 int cursor_hide = 1;
176 int graphic_rotate = 0;
177 const char *watchdog;
178 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
179 int nb_option_roms;
180 int old_param = 0;
181 const char *qemu_name;
182 int alt_grab = 0;
183 int ctrl_grab = 0;
184 unsigned int nb_prom_envs = 0;
185 const char *prom_envs[MAX_PROM_ENVS];
186 int boot_menu;
187 bool boot_strict;
188 uint8_t *boot_splash_filedata;
189 int only_migratable; /* turn it off unless user states otherwise */
190 bool wakeup_suspend_enabled;
191
192 int icount_align_option;
193
194 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
195 * little-endian "wire format" described in the SMBIOS 2.6 specification.
196 */
197 QemuUUID qemu_uuid;
198 bool qemu_uuid_set;
199
200 static NotifierList exit_notifiers =
201 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
202
203 static NotifierList machine_init_done_notifiers =
204 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
205
206 bool xen_allowed;
207 uint32_t xen_domid;
208 enum xen_mode xen_mode = XEN_EMULATE;
209 bool xen_domid_restrict;
210
211 static int has_defaults = 1;
212 static int default_serial = 1;
213 static int default_parallel = 1;
214 static int default_monitor = 1;
215 static int default_floppy = 1;
216 static int default_cdrom = 1;
217 static int default_sdcard = 1;
218 static int default_vga = 1;
219 static int default_net = 1;
220
221 static struct {
222 const char *driver;
223 int *flag;
224 } default_list[] = {
225 { .driver = "isa-serial", .flag = &default_serial },
226 { .driver = "isa-parallel", .flag = &default_parallel },
227 { .driver = "isa-fdc", .flag = &default_floppy },
228 { .driver = "floppy", .flag = &default_floppy },
229 { .driver = "ide-cd", .flag = &default_cdrom },
230 { .driver = "ide-hd", .flag = &default_cdrom },
231 { .driver = "ide-drive", .flag = &default_cdrom },
232 { .driver = "scsi-cd", .flag = &default_cdrom },
233 { .driver = "scsi-hd", .flag = &default_cdrom },
234 { .driver = "VGA", .flag = &default_vga },
235 { .driver = "isa-vga", .flag = &default_vga },
236 { .driver = "cirrus-vga", .flag = &default_vga },
237 { .driver = "isa-cirrus-vga", .flag = &default_vga },
238 { .driver = "vmware-svga", .flag = &default_vga },
239 { .driver = "qxl-vga", .flag = &default_vga },
240 { .driver = "virtio-vga", .flag = &default_vga },
241 { .driver = "ati-vga", .flag = &default_vga },
242 };
243
244 static QemuOptsList qemu_rtc_opts = {
245 .name = "rtc",
246 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
247 .merge_lists = true,
248 .desc = {
249 {
250 .name = "base",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "clock",
254 .type = QEMU_OPT_STRING,
255 },{
256 .name = "driftfix",
257 .type = QEMU_OPT_STRING,
258 },
259 { /* end of list */ }
260 },
261 };
262
263 static QemuOptsList qemu_option_rom_opts = {
264 .name = "option-rom",
265 .implied_opt_name = "romfile",
266 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
267 .desc = {
268 {
269 .name = "bootindex",
270 .type = QEMU_OPT_NUMBER,
271 }, {
272 .name = "romfile",
273 .type = QEMU_OPT_STRING,
274 },
275 { /* end of list */ }
276 },
277 };
278
279 static QemuOptsList qemu_machine_opts = {
280 .name = "machine",
281 .implied_opt_name = "type",
282 .merge_lists = true,
283 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
284 .desc = {
285 /*
286 * no elements => accept any
287 * sanity checking will happen later
288 * when setting machine properties
289 */
290 { }
291 },
292 };
293
294 static QemuOptsList qemu_accel_opts = {
295 .name = "accel",
296 .implied_opt_name = "accel",
297 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
298 .merge_lists = true,
299 .desc = {
300 {
301 .name = "accel",
302 .type = QEMU_OPT_STRING,
303 .help = "Select the type of accelerator",
304 },
305 {
306 .name = "thread",
307 .type = QEMU_OPT_STRING,
308 .help = "Enable/disable multi-threaded TCG",
309 },
310 { /* end of list */ }
311 },
312 };
313
314 static QemuOptsList qemu_boot_opts = {
315 .name = "boot-opts",
316 .implied_opt_name = "order",
317 .merge_lists = true,
318 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
319 .desc = {
320 {
321 .name = "order",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "once",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "menu",
328 .type = QEMU_OPT_BOOL,
329 }, {
330 .name = "splash",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "splash-time",
334 .type = QEMU_OPT_NUMBER,
335 }, {
336 .name = "reboot-timeout",
337 .type = QEMU_OPT_NUMBER,
338 }, {
339 .name = "strict",
340 .type = QEMU_OPT_BOOL,
341 },
342 { /*End of list */ }
343 },
344 };
345
346 static QemuOptsList qemu_add_fd_opts = {
347 .name = "add-fd",
348 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
349 .desc = {
350 {
351 .name = "fd",
352 .type = QEMU_OPT_NUMBER,
353 .help = "file descriptor of which a duplicate is added to fd set",
354 },{
355 .name = "set",
356 .type = QEMU_OPT_NUMBER,
357 .help = "ID of the fd set to add fd to",
358 },{
359 .name = "opaque",
360 .type = QEMU_OPT_STRING,
361 .help = "free-form string used to describe fd",
362 },
363 { /* end of list */ }
364 },
365 };
366
367 static QemuOptsList qemu_object_opts = {
368 .name = "object",
369 .implied_opt_name = "qom-type",
370 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
371 .desc = {
372 { }
373 },
374 };
375
376 static QemuOptsList qemu_tpmdev_opts = {
377 .name = "tpmdev",
378 .implied_opt_name = "type",
379 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
380 .desc = {
381 /* options are defined in the TPM backends */
382 { /* end of list */ }
383 },
384 };
385
386 static QemuOptsList qemu_realtime_opts = {
387 .name = "realtime",
388 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
389 .desc = {
390 {
391 .name = "mlock",
392 .type = QEMU_OPT_BOOL,
393 },
394 { /* end of list */ }
395 },
396 };
397
398 static QemuOptsList qemu_overcommit_opts = {
399 .name = "overcommit",
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
401 .desc = {
402 {
403 .name = "mem-lock",
404 .type = QEMU_OPT_BOOL,
405 },
406 {
407 .name = "cpu-pm",
408 .type = QEMU_OPT_BOOL,
409 },
410 { /* end of list */ }
411 },
412 };
413
414 static QemuOptsList qemu_msg_opts = {
415 .name = "msg",
416 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
417 .desc = {
418 {
419 .name = "timestamp",
420 .type = QEMU_OPT_BOOL,
421 },
422 { /* end of list */ }
423 },
424 };
425
426 static QemuOptsList qemu_name_opts = {
427 .name = "name",
428 .implied_opt_name = "guest",
429 .merge_lists = true,
430 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
431 .desc = {
432 {
433 .name = "guest",
434 .type = QEMU_OPT_STRING,
435 .help = "Sets the name of the guest.\n"
436 "This name will be displayed in the SDL window caption.\n"
437 "The name will also be used for the VNC server",
438 }, {
439 .name = "process",
440 .type = QEMU_OPT_STRING,
441 .help = "Sets the name of the QEMU process, as shown in top etc",
442 }, {
443 .name = "debug-threads",
444 .type = QEMU_OPT_BOOL,
445 .help = "When enabled, name the individual threads; defaults off.\n"
446 "NOTE: The thread names are for debugging and not a\n"
447 "stable API.",
448 },
449 { /* End of list */ }
450 },
451 };
452
453 static QemuOptsList qemu_mem_opts = {
454 .name = "memory",
455 .implied_opt_name = "size",
456 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
457 .merge_lists = true,
458 .desc = {
459 {
460 .name = "size",
461 .type = QEMU_OPT_SIZE,
462 },
463 {
464 .name = "slots",
465 .type = QEMU_OPT_NUMBER,
466 },
467 {
468 .name = "maxmem",
469 .type = QEMU_OPT_SIZE,
470 },
471 { /* end of list */ }
472 },
473 };
474
475 static QemuOptsList qemu_icount_opts = {
476 .name = "icount",
477 .implied_opt_name = "shift",
478 .merge_lists = true,
479 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
480 .desc = {
481 {
482 .name = "shift",
483 .type = QEMU_OPT_STRING,
484 }, {
485 .name = "align",
486 .type = QEMU_OPT_BOOL,
487 }, {
488 .name = "sleep",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "rr",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "rrfile",
495 .type = QEMU_OPT_STRING,
496 }, {
497 .name = "rrsnapshot",
498 .type = QEMU_OPT_STRING,
499 },
500 { /* end of list */ }
501 },
502 };
503
504 static QemuOptsList qemu_semihosting_config_opts = {
505 .name = "semihosting-config",
506 .implied_opt_name = "enable",
507 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
508 .desc = {
509 {
510 .name = "enable",
511 .type = QEMU_OPT_BOOL,
512 }, {
513 .name = "target",
514 .type = QEMU_OPT_STRING,
515 }, {
516 .name = "arg",
517 .type = QEMU_OPT_STRING,
518 },
519 { /* end of list */ }
520 },
521 };
522
523 static QemuOptsList qemu_fw_cfg_opts = {
524 .name = "fw_cfg",
525 .implied_opt_name = "name",
526 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
527 .desc = {
528 {
529 .name = "name",
530 .type = QEMU_OPT_STRING,
531 .help = "Sets the fw_cfg name of the blob to be inserted",
532 }, {
533 .name = "file",
534 .type = QEMU_OPT_STRING,
535 .help = "Sets the name of the file from which "
536 "the fw_cfg blob will be loaded",
537 }, {
538 .name = "string",
539 .type = QEMU_OPT_STRING,
540 .help = "Sets content of the blob to be inserted from a string",
541 },
542 { /* end of list */ }
543 },
544 };
545
546 /**
547 * Get machine options
548 *
549 * Returns: machine options (never null).
550 */
551 QemuOpts *qemu_get_machine_opts(void)
552 {
553 return qemu_find_opts_singleton("machine");
554 }
555
556 const char *qemu_get_vm_name(void)
557 {
558 return qemu_name;
559 }
560
561 static void res_free(void)
562 {
563 g_free(boot_splash_filedata);
564 boot_splash_filedata = NULL;
565 }
566
567 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
568 {
569 const char *driver = qemu_opt_get(opts, "driver");
570 int i;
571
572 if (!driver)
573 return 0;
574 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
575 if (strcmp(default_list[i].driver, driver) != 0)
576 continue;
577 *(default_list[i].flag) = 0;
578 }
579 return 0;
580 }
581
582 /***********************************************************/
583 /* QEMU state */
584
585 static RunState current_run_state = RUN_STATE_PRECONFIG;
586
587 /* We use RUN_STATE__MAX but any invalid value will do */
588 static RunState vmstop_requested = RUN_STATE__MAX;
589 static QemuMutex vmstop_lock;
590
591 typedef struct {
592 RunState from;
593 RunState to;
594 } RunStateTransition;
595
596 static const RunStateTransition runstate_transitions_def[] = {
597 /* from -> to */
598 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
599 /* Early switch to inmigrate state to allow -incoming CLI option work
600 * as it used to. TODO: delay actual switching to inmigrate state to
601 * the point after machine is built and remove this hack.
602 */
603 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
604
605 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
606 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
608
609 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
610 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
611 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
613 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
614 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
615 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
616 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
617 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
618 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
619 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
620 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
621
622 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
623 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
625
626 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
627 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
629
630 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
631 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
633 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
634 { RUN_STATE_PAUSED, RUN_STATE_COLO},
635
636 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
637 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
639
640 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
641 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
642 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
643
644 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
645 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
646 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
647 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
648 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
649
650 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
651 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
652
653 { RUN_STATE_COLO, RUN_STATE_RUNNING },
654
655 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
656 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
657 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
658 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
659 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
660 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
661 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
662 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
663 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
664 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
665 { RUN_STATE_RUNNING, RUN_STATE_COLO},
666
667 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
668
669 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
670 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
671 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
672
673 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
674 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
675 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
676 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
677 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
678 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
679
680 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
681 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
683 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
684
685 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
686 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
687 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
688
689 { RUN_STATE__MAX, RUN_STATE__MAX },
690 };
691
692 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
693
694 bool runstate_check(RunState state)
695 {
696 return current_run_state == state;
697 }
698
699 bool runstate_store(char *str, size_t size)
700 {
701 const char *state = RunState_str(current_run_state);
702 size_t len = strlen(state) + 1;
703
704 if (len > size) {
705 return false;
706 }
707 memcpy(str, state, len);
708 return true;
709 }
710
711 static void runstate_init(void)
712 {
713 const RunStateTransition *p;
714
715 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
716 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
717 runstate_valid_transitions[p->from][p->to] = true;
718 }
719
720 qemu_mutex_init(&vmstop_lock);
721 }
722
723 /* This function will abort() on invalid state transitions */
724 void runstate_set(RunState new_state)
725 {
726 assert(new_state < RUN_STATE__MAX);
727
728 trace_runstate_set(current_run_state, RunState_str(current_run_state),
729 new_state, RunState_str(new_state));
730
731 if (current_run_state == new_state) {
732 return;
733 }
734
735 if (!runstate_valid_transitions[current_run_state][new_state]) {
736 error_report("invalid runstate transition: '%s' -> '%s'",
737 RunState_str(current_run_state),
738 RunState_str(new_state));
739 abort();
740 }
741
742 current_run_state = new_state;
743 }
744
745 int runstate_is_running(void)
746 {
747 return runstate_check(RUN_STATE_RUNNING);
748 }
749
750 bool runstate_needs_reset(void)
751 {
752 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
753 runstate_check(RUN_STATE_SHUTDOWN);
754 }
755
756 StatusInfo *qmp_query_status(Error **errp)
757 {
758 StatusInfo *info = g_malloc0(sizeof(*info));
759
760 info->running = runstate_is_running();
761 info->singlestep = singlestep;
762 info->status = current_run_state;
763
764 return info;
765 }
766
767 bool qemu_vmstop_requested(RunState *r)
768 {
769 qemu_mutex_lock(&vmstop_lock);
770 *r = vmstop_requested;
771 vmstop_requested = RUN_STATE__MAX;
772 qemu_mutex_unlock(&vmstop_lock);
773 return *r < RUN_STATE__MAX;
774 }
775
776 void qemu_system_vmstop_request_prepare(void)
777 {
778 qemu_mutex_lock(&vmstop_lock);
779 }
780
781 void qemu_system_vmstop_request(RunState state)
782 {
783 vmstop_requested = state;
784 qemu_mutex_unlock(&vmstop_lock);
785 qemu_notify_event();
786 }
787
788 /***********************************************************/
789 /* RTC reference time/date access */
790 static time_t qemu_ref_timedate(QEMUClockType clock)
791 {
792 time_t value = qemu_clock_get_ms(clock) / 1000;
793 switch (clock) {
794 case QEMU_CLOCK_REALTIME:
795 value -= rtc_realtime_clock_offset;
796 /* no break */
797 case QEMU_CLOCK_VIRTUAL:
798 value += rtc_ref_start_datetime;
799 break;
800 case QEMU_CLOCK_HOST:
801 if (rtc_base_type == RTC_BASE_DATETIME) {
802 value -= rtc_host_datetime_offset;
803 }
804 break;
805 default:
806 assert(0);
807 }
808 return value;
809 }
810
811 void qemu_get_timedate(struct tm *tm, int offset)
812 {
813 time_t ti = qemu_ref_timedate(rtc_clock);
814
815 ti += offset;
816
817 switch (rtc_base_type) {
818 case RTC_BASE_DATETIME:
819 case RTC_BASE_UTC:
820 gmtime_r(&ti, tm);
821 break;
822 case RTC_BASE_LOCALTIME:
823 localtime_r(&ti, tm);
824 break;
825 }
826 }
827
828 int qemu_timedate_diff(struct tm *tm)
829 {
830 time_t seconds;
831
832 switch (rtc_base_type) {
833 case RTC_BASE_DATETIME:
834 case RTC_BASE_UTC:
835 seconds = mktimegm(tm);
836 break;
837 case RTC_BASE_LOCALTIME:
838 {
839 struct tm tmp = *tm;
840 tmp.tm_isdst = -1; /* use timezone to figure it out */
841 seconds = mktime(&tmp);
842 break;
843 }
844 default:
845 abort();
846 }
847
848 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
849 }
850
851 static void configure_rtc_base_datetime(const char *startdate)
852 {
853 time_t rtc_start_datetime;
854 struct tm tm;
855
856 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
857 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
858 /* OK */
859 } else if (sscanf(startdate, "%d-%d-%d",
860 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
861 tm.tm_hour = 0;
862 tm.tm_min = 0;
863 tm.tm_sec = 0;
864 } else {
865 goto date_fail;
866 }
867 tm.tm_year -= 1900;
868 tm.tm_mon--;
869 rtc_start_datetime = mktimegm(&tm);
870 if (rtc_start_datetime == -1) {
871 date_fail:
872 error_report("invalid datetime format");
873 error_printf("valid formats: "
874 "'2006-06-17T16:01:21' or '2006-06-17'\n");
875 exit(1);
876 }
877 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
878 rtc_ref_start_datetime = rtc_start_datetime;
879 }
880
881 static void configure_rtc(QemuOpts *opts)
882 {
883 const char *value;
884
885 /* Set defaults */
886 rtc_clock = QEMU_CLOCK_HOST;
887 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
888 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
889
890 value = qemu_opt_get(opts, "base");
891 if (value) {
892 if (!strcmp(value, "utc")) {
893 rtc_base_type = RTC_BASE_UTC;
894 } else if (!strcmp(value, "localtime")) {
895 Error *blocker = NULL;
896 rtc_base_type = RTC_BASE_LOCALTIME;
897 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
898 "-rtc base=localtime");
899 replay_add_blocker(blocker);
900 } else {
901 rtc_base_type = RTC_BASE_DATETIME;
902 configure_rtc_base_datetime(value);
903 }
904 }
905 value = qemu_opt_get(opts, "clock");
906 if (value) {
907 if (!strcmp(value, "host")) {
908 rtc_clock = QEMU_CLOCK_HOST;
909 } else if (!strcmp(value, "rt")) {
910 rtc_clock = QEMU_CLOCK_REALTIME;
911 } else if (!strcmp(value, "vm")) {
912 rtc_clock = QEMU_CLOCK_VIRTUAL;
913 } else {
914 error_report("invalid option value '%s'", value);
915 exit(1);
916 }
917 }
918 value = qemu_opt_get(opts, "driftfix");
919 if (value) {
920 if (!strcmp(value, "slew")) {
921 static GlobalProperty slew_lost_ticks = {
922 .driver = "mc146818rtc",
923 .property = "lost_tick_policy",
924 .value = "slew",
925 };
926
927 qdev_prop_register_global(&slew_lost_ticks);
928 } else if (!strcmp(value, "none")) {
929 /* discard is default */
930 } else {
931 error_report("invalid option value '%s'", value);
932 exit(1);
933 }
934 }
935 }
936
937 /***********************************************************/
938 /* Bluetooth support */
939 static int nb_hcis;
940 static int cur_hci;
941 static struct HCIInfo *hci_table[MAX_NICS];
942
943 struct HCIInfo *qemu_next_hci(void)
944 {
945 if (cur_hci == nb_hcis)
946 return &null_hci;
947
948 return hci_table[cur_hci++];
949 }
950
951 static int bt_hci_parse(const char *str)
952 {
953 struct HCIInfo *hci;
954 bdaddr_t bdaddr;
955
956 if (nb_hcis >= MAX_NICS) {
957 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
958 return -1;
959 }
960
961 hci = hci_init(str);
962 if (!hci)
963 return -1;
964
965 bdaddr.b[0] = 0x52;
966 bdaddr.b[1] = 0x54;
967 bdaddr.b[2] = 0x00;
968 bdaddr.b[3] = 0x12;
969 bdaddr.b[4] = 0x34;
970 bdaddr.b[5] = 0x56 + nb_hcis;
971 hci->bdaddr_set(hci, bdaddr.b);
972
973 hci_table[nb_hcis++] = hci;
974
975 return 0;
976 }
977
978 static void bt_vhci_add(int vlan_id)
979 {
980 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
981
982 if (!vlan->slave)
983 warn_report("adding a VHCI to an empty scatternet %i",
984 vlan_id);
985
986 bt_vhci_init(bt_new_hci(vlan));
987 }
988
989 static struct bt_device_s *bt_device_add(const char *opt)
990 {
991 struct bt_scatternet_s *vlan;
992 int vlan_id = 0;
993 char *endp = strstr(opt, ",vlan=");
994 int len = (endp ? endp - opt : strlen(opt)) + 1;
995 char devname[10];
996
997 pstrcpy(devname, MIN(sizeof(devname), len), opt);
998
999 if (endp) {
1000 vlan_id = strtol(endp + 6, &endp, 0);
1001 if (*endp) {
1002 error_report("unrecognised bluetooth vlan Id");
1003 return 0;
1004 }
1005 }
1006
1007 vlan = qemu_find_bt_vlan(vlan_id);
1008
1009 if (!vlan->slave)
1010 warn_report("adding a slave device to an empty scatternet %i",
1011 vlan_id);
1012
1013 if (!strcmp(devname, "keyboard"))
1014 return bt_keyboard_init(vlan);
1015
1016 error_report("unsupported bluetooth device '%s'", devname);
1017 return 0;
1018 }
1019
1020 static int bt_parse(const char *opt)
1021 {
1022 const char *endp, *p;
1023 int vlan;
1024
1025 if (strstart(opt, "hci", &endp)) {
1026 if (!*endp || *endp == ',') {
1027 if (*endp)
1028 if (!strstart(endp, ",vlan=", 0))
1029 opt = endp + 1;
1030
1031 return bt_hci_parse(opt);
1032 }
1033 } else if (strstart(opt, "vhci", &endp)) {
1034 if (!*endp || *endp == ',') {
1035 if (*endp) {
1036 if (strstart(endp, ",vlan=", &p)) {
1037 vlan = strtol(p, (char **) &endp, 0);
1038 if (*endp) {
1039 error_report("bad scatternet '%s'", p);
1040 return 1;
1041 }
1042 } else {
1043 error_report("bad parameter '%s'", endp + 1);
1044 return 1;
1045 }
1046 } else
1047 vlan = 0;
1048
1049 bt_vhci_add(vlan);
1050 return 0;
1051 }
1052 } else if (strstart(opt, "device:", &endp))
1053 return !bt_device_add(endp);
1054
1055 error_report("bad bluetooth parameter '%s'", opt);
1056 return 1;
1057 }
1058
1059 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1060 {
1061 const char *proc_name;
1062
1063 if (qemu_opt_get(opts, "debug-threads")) {
1064 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1065 }
1066 qemu_name = qemu_opt_get(opts, "guest");
1067
1068 proc_name = qemu_opt_get(opts, "process");
1069 if (proc_name) {
1070 os_set_proc_name(proc_name);
1071 }
1072
1073 return 0;
1074 }
1075
1076 bool defaults_enabled(void)
1077 {
1078 return has_defaults;
1079 }
1080
1081 #ifndef _WIN32
1082 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1083 {
1084 int fd, dupfd, flags;
1085 int64_t fdset_id;
1086 const char *fd_opaque = NULL;
1087 AddfdInfo *fdinfo;
1088
1089 fd = qemu_opt_get_number(opts, "fd", -1);
1090 fdset_id = qemu_opt_get_number(opts, "set", -1);
1091 fd_opaque = qemu_opt_get(opts, "opaque");
1092
1093 if (fd < 0) {
1094 error_setg(errp, "fd option is required and must be non-negative");
1095 return -1;
1096 }
1097
1098 if (fd <= STDERR_FILENO) {
1099 error_setg(errp, "fd cannot be a standard I/O stream");
1100 return -1;
1101 }
1102
1103 /*
1104 * All fds inherited across exec() necessarily have FD_CLOEXEC
1105 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1106 */
1107 flags = fcntl(fd, F_GETFD);
1108 if (flags == -1 || (flags & FD_CLOEXEC)) {
1109 error_setg(errp, "fd is not valid or already in use");
1110 return -1;
1111 }
1112
1113 if (fdset_id < 0) {
1114 error_setg(errp, "set option is required and must be non-negative");
1115 return -1;
1116 }
1117
1118 #ifdef F_DUPFD_CLOEXEC
1119 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1120 #else
1121 dupfd = dup(fd);
1122 if (dupfd != -1) {
1123 qemu_set_cloexec(dupfd);
1124 }
1125 #endif
1126 if (dupfd == -1) {
1127 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1128 return -1;
1129 }
1130
1131 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1132 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1133 &error_abort);
1134 g_free(fdinfo);
1135
1136 return 0;
1137 }
1138
1139 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1140 {
1141 int fd;
1142
1143 fd = qemu_opt_get_number(opts, "fd", -1);
1144 close(fd);
1145
1146 return 0;
1147 }
1148 #endif
1149
1150 /***********************************************************/
1151 /* QEMU Block devices */
1152
1153 #define HD_OPTS "media=disk"
1154 #define CDROM_OPTS "media=cdrom"
1155 #define FD_OPTS ""
1156 #define PFLASH_OPTS ""
1157 #define MTD_OPTS ""
1158 #define SD_OPTS ""
1159
1160 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1161 {
1162 BlockInterfaceType *block_default_type = opaque;
1163
1164 return drive_new(opts, *block_default_type, errp) == NULL;
1165 }
1166
1167 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1168 {
1169 if (qemu_opt_get(opts, "snapshot") == NULL) {
1170 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1171 }
1172 return 0;
1173 }
1174
1175 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1176 int index, const char *optstr)
1177 {
1178 QemuOpts *opts;
1179 DriveInfo *dinfo;
1180
1181 if (!enable || drive_get_by_index(type, index)) {
1182 return;
1183 }
1184
1185 opts = drive_add(type, index, NULL, optstr);
1186 if (snapshot) {
1187 drive_enable_snapshot(NULL, opts, NULL);
1188 }
1189
1190 dinfo = drive_new(opts, type, &error_abort);
1191 dinfo->is_default = true;
1192
1193 }
1194
1195 typedef struct BlockdevOptionsQueueEntry {
1196 BlockdevOptions *bdo;
1197 Location loc;
1198 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1199 } BlockdevOptionsQueueEntry;
1200
1201 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1202
1203 static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
1204 MachineClass *machine_class, int snapshot)
1205 {
1206 /*
1207 * If the currently selected machine wishes to override the
1208 * units-per-bus property of its default HBA interface type, do so
1209 * now.
1210 */
1211 if (machine_class->units_per_default_bus) {
1212 override_max_devs(machine_class->block_default_type,
1213 machine_class->units_per_default_bus);
1214 }
1215
1216 /* open the virtual block devices */
1217 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
1218 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
1219
1220 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
1221 loc_push_restore(&bdo->loc);
1222 qmp_blockdev_add(bdo->bdo, &error_fatal);
1223 loc_pop(&bdo->loc);
1224 qapi_free_BlockdevOptions(bdo->bdo);
1225 g_free(bdo);
1226 }
1227 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
1228 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
1229 NULL, NULL);
1230 }
1231 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
1232 &machine_class->block_default_type, &error_fatal)) {
1233 /* We printed help */
1234 exit(0);
1235 }
1236
1237 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
1238 CDROM_OPTS);
1239 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
1240 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
1241
1242 }
1243
1244 static QemuOptsList qemu_smp_opts = {
1245 .name = "smp-opts",
1246 .implied_opt_name = "cpus",
1247 .merge_lists = true,
1248 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1249 .desc = {
1250 {
1251 .name = "cpus",
1252 .type = QEMU_OPT_NUMBER,
1253 }, {
1254 .name = "sockets",
1255 .type = QEMU_OPT_NUMBER,
1256 }, {
1257 .name = "cores",
1258 .type = QEMU_OPT_NUMBER,
1259 }, {
1260 .name = "threads",
1261 .type = QEMU_OPT_NUMBER,
1262 }, {
1263 .name = "maxcpus",
1264 .type = QEMU_OPT_NUMBER,
1265 },
1266 { /*End of list */ }
1267 },
1268 };
1269
1270 static void smp_parse(QemuOpts *opts)
1271 {
1272 if (opts) {
1273 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1274 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1275 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1276 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1277
1278 /* compute missing values, prefer sockets over cores over threads */
1279 if (cpus == 0 || sockets == 0) {
1280 cores = cores > 0 ? cores : 1;
1281 threads = threads > 0 ? threads : 1;
1282 if (cpus == 0) {
1283 sockets = sockets > 0 ? sockets : 1;
1284 cpus = cores * threads * sockets;
1285 } else {
1286 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1287 sockets = max_cpus / (cores * threads);
1288 }
1289 } else if (cores == 0) {
1290 threads = threads > 0 ? threads : 1;
1291 cores = cpus / (sockets * threads);
1292 cores = cores > 0 ? cores : 1;
1293 } else if (threads == 0) {
1294 threads = cpus / (cores * sockets);
1295 threads = threads > 0 ? threads : 1;
1296 } else if (sockets * cores * threads < cpus) {
1297 error_report("cpu topology: "
1298 "sockets (%u) * cores (%u) * threads (%u) < "
1299 "smp_cpus (%u)",
1300 sockets, cores, threads, cpus);
1301 exit(1);
1302 }
1303
1304 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1305
1306 if (max_cpus < cpus) {
1307 error_report("maxcpus must be equal to or greater than smp");
1308 exit(1);
1309 }
1310
1311 if (sockets * cores * threads > max_cpus) {
1312 error_report("cpu topology: "
1313 "sockets (%u) * cores (%u) * threads (%u) > "
1314 "maxcpus (%u)",
1315 sockets, cores, threads, max_cpus);
1316 exit(1);
1317 }
1318
1319 if (sockets * cores * threads != max_cpus) {
1320 warn_report("Invalid CPU topology deprecated: "
1321 "sockets (%u) * cores (%u) * threads (%u) "
1322 "!= maxcpus (%u)",
1323 sockets, cores, threads, max_cpus);
1324 }
1325
1326 smp_cpus = cpus;
1327 smp_cores = cores;
1328 smp_threads = threads;
1329 }
1330
1331 if (smp_cpus > 1) {
1332 Error *blocker = NULL;
1333 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1334 replay_add_blocker(blocker);
1335 }
1336 }
1337
1338 static void realtime_init(void)
1339 {
1340 if (enable_mlock) {
1341 if (os_mlock() < 0) {
1342 error_report("locking memory failed");
1343 exit(1);
1344 }
1345 }
1346 }
1347
1348
1349 static void configure_msg(QemuOpts *opts)
1350 {
1351 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1352 }
1353
1354 /***********************************************************/
1355 /* Semihosting */
1356
1357 typedef struct SemihostingConfig {
1358 bool enabled;
1359 SemihostingTarget target;
1360 const char **argv;
1361 int argc;
1362 const char *cmdline; /* concatenated argv */
1363 } SemihostingConfig;
1364
1365 static SemihostingConfig semihosting;
1366
1367 bool semihosting_enabled(void)
1368 {
1369 return semihosting.enabled;
1370 }
1371
1372 SemihostingTarget semihosting_get_target(void)
1373 {
1374 return semihosting.target;
1375 }
1376
1377 const char *semihosting_get_arg(int i)
1378 {
1379 if (i >= semihosting.argc) {
1380 return NULL;
1381 }
1382 return semihosting.argv[i];
1383 }
1384
1385 int semihosting_get_argc(void)
1386 {
1387 return semihosting.argc;
1388 }
1389
1390 const char *semihosting_get_cmdline(void)
1391 {
1392 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1393 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1394 }
1395 return semihosting.cmdline;
1396 }
1397
1398 static int add_semihosting_arg(void *opaque,
1399 const char *name, const char *val,
1400 Error **errp)
1401 {
1402 SemihostingConfig *s = opaque;
1403 if (strcmp(name, "arg") == 0) {
1404 s->argc++;
1405 /* one extra element as g_strjoinv() expects NULL-terminated array */
1406 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1407 s->argv[s->argc - 1] = val;
1408 s->argv[s->argc] = NULL;
1409 }
1410 return 0;
1411 }
1412
1413 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1414 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1415 {
1416 char *cmd_token;
1417
1418 /* argv[0] */
1419 add_semihosting_arg(&semihosting, "arg", file, NULL);
1420
1421 /* split -append and initialize argv[1..n] */
1422 cmd_token = strtok(g_strdup(cmd), " ");
1423 while (cmd_token) {
1424 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1425 cmd_token = strtok(NULL, " ");
1426 }
1427 }
1428
1429 /* Now we still need this for compatibility with XEN. */
1430 bool has_igd_gfx_passthru;
1431 static void igd_gfx_passthru(void)
1432 {
1433 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1434 }
1435
1436 /***********************************************************/
1437 /* USB devices */
1438
1439 static int usb_device_add(const char *devname)
1440 {
1441 USBDevice *dev = NULL;
1442
1443 if (!machine_usb(current_machine)) {
1444 return -1;
1445 }
1446
1447 dev = usbdevice_create(devname);
1448 if (!dev)
1449 return -1;
1450
1451 return 0;
1452 }
1453
1454 static int usb_parse(const char *cmdline)
1455 {
1456 int r;
1457 r = usb_device_add(cmdline);
1458 if (r < 0) {
1459 error_report("could not add USB device '%s'", cmdline);
1460 }
1461 return r;
1462 }
1463
1464 /***********************************************************/
1465 /* machine registration */
1466
1467 MachineState *current_machine;
1468
1469 static MachineClass *find_machine(const char *name, GSList *machines)
1470 {
1471 GSList *el;
1472
1473 for (el = machines; el; el = el->next) {
1474 MachineClass *mc = el->data;
1475
1476 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
1477 return mc;
1478 }
1479 }
1480
1481 return NULL;
1482 }
1483
1484 static MachineClass *find_default_machine(GSList *machines)
1485 {
1486 GSList *el;
1487
1488 for (el = machines; el; el = el->next) {
1489 MachineClass *mc = el->data;
1490
1491 if (mc->is_default) {
1492 return mc;
1493 }
1494 }
1495
1496 return NULL;
1497 }
1498
1499 MachineInfoList *qmp_query_machines(Error **errp)
1500 {
1501 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1502 MachineInfoList *mach_list = NULL;
1503
1504 for (el = machines; el; el = el->next) {
1505 MachineClass *mc = el->data;
1506 MachineInfoList *entry;
1507 MachineInfo *info;
1508
1509 info = g_malloc0(sizeof(*info));
1510 if (mc->is_default) {
1511 info->has_is_default = true;
1512 info->is_default = true;
1513 }
1514
1515 if (mc->alias) {
1516 info->has_alias = true;
1517 info->alias = g_strdup(mc->alias);
1518 }
1519
1520 info->name = g_strdup(mc->name);
1521 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1522 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1523
1524 entry = g_malloc0(sizeof(*entry));
1525 entry->value = info;
1526 entry->next = mach_list;
1527 mach_list = entry;
1528 }
1529
1530 g_slist_free(machines);
1531 return mach_list;
1532 }
1533
1534 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1535 {
1536 ObjectProperty *prop;
1537 ObjectPropertyIterator iter;
1538
1539 if (!qemu_opt_has_help_opt(opts)) {
1540 return 0;
1541 }
1542
1543 object_property_iter_init(&iter, OBJECT(machine));
1544 while ((prop = object_property_iter_next(&iter))) {
1545 if (!prop->set) {
1546 continue;
1547 }
1548
1549 printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1550 prop->name, prop->type);
1551 if (prop->description) {
1552 printf(" (%s)\n", prop->description);
1553 } else {
1554 printf("\n");
1555 }
1556 }
1557
1558 return 1;
1559 }
1560
1561 struct vm_change_state_entry {
1562 VMChangeStateHandler *cb;
1563 void *opaque;
1564 QLIST_ENTRY (vm_change_state_entry) entries;
1565 };
1566
1567 static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head;
1568
1569 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1570 void *opaque)
1571 {
1572 VMChangeStateEntry *e;
1573
1574 e = g_malloc0(sizeof (*e));
1575
1576 e->cb = cb;
1577 e->opaque = opaque;
1578 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1579 return e;
1580 }
1581
1582 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1583 {
1584 QLIST_REMOVE (e, entries);
1585 g_free (e);
1586 }
1587
1588 void vm_state_notify(int running, RunState state)
1589 {
1590 VMChangeStateEntry *e, *next;
1591
1592 trace_vm_state_notify(running, state, RunState_str(state));
1593
1594 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1595 e->cb(e->opaque, running, state);
1596 }
1597 }
1598
1599 static ShutdownCause reset_requested;
1600 static ShutdownCause shutdown_requested;
1601 static int shutdown_signal;
1602 static pid_t shutdown_pid;
1603 static int powerdown_requested;
1604 static int debug_requested;
1605 static int suspend_requested;
1606 static bool preconfig_exit_requested = true;
1607 static WakeupReason wakeup_reason;
1608 static NotifierList powerdown_notifiers =
1609 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1610 static NotifierList suspend_notifiers =
1611 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1612 static NotifierList wakeup_notifiers =
1613 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1614 static NotifierList shutdown_notifiers =
1615 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1616 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1617
1618 ShutdownCause qemu_shutdown_requested_get(void)
1619 {
1620 return shutdown_requested;
1621 }
1622
1623 ShutdownCause qemu_reset_requested_get(void)
1624 {
1625 return reset_requested;
1626 }
1627
1628 static int qemu_shutdown_requested(void)
1629 {
1630 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1631 }
1632
1633 static void qemu_kill_report(void)
1634 {
1635 if (!qtest_driver() && shutdown_signal) {
1636 if (shutdown_pid == 0) {
1637 /* This happens for eg ^C at the terminal, so it's worth
1638 * avoiding printing an odd message in that case.
1639 */
1640 error_report("terminating on signal %d", shutdown_signal);
1641 } else {
1642 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1643
1644 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1645 shutdown_signal, shutdown_pid,
1646 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1647 g_free(shutdown_cmd);
1648 }
1649 shutdown_signal = 0;
1650 }
1651 }
1652
1653 static ShutdownCause qemu_reset_requested(void)
1654 {
1655 ShutdownCause r = reset_requested;
1656
1657 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1658 reset_requested = SHUTDOWN_CAUSE_NONE;
1659 return r;
1660 }
1661 return SHUTDOWN_CAUSE_NONE;
1662 }
1663
1664 static int qemu_suspend_requested(void)
1665 {
1666 int r = suspend_requested;
1667 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1668 suspend_requested = 0;
1669 return r;
1670 }
1671 return false;
1672 }
1673
1674 static WakeupReason qemu_wakeup_requested(void)
1675 {
1676 return wakeup_reason;
1677 }
1678
1679 static int qemu_powerdown_requested(void)
1680 {
1681 int r = powerdown_requested;
1682 powerdown_requested = 0;
1683 return r;
1684 }
1685
1686 static int qemu_debug_requested(void)
1687 {
1688 int r = debug_requested;
1689 debug_requested = 0;
1690 return r;
1691 }
1692
1693 void qemu_exit_preconfig_request(void)
1694 {
1695 preconfig_exit_requested = true;
1696 }
1697
1698 /*
1699 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1700 */
1701 void qemu_system_reset(ShutdownCause reason)
1702 {
1703 MachineClass *mc;
1704
1705 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1706
1707 cpu_synchronize_all_states();
1708
1709 if (mc && mc->reset) {
1710 mc->reset();
1711 } else {
1712 qemu_devices_reset();
1713 }
1714 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1715 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1716 }
1717 cpu_synchronize_all_post_reset();
1718 }
1719
1720 void qemu_system_guest_panicked(GuestPanicInformation *info)
1721 {
1722 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1723
1724 if (current_cpu) {
1725 current_cpu->crash_occurred = true;
1726 }
1727 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1728 !!info, info);
1729 vm_stop(RUN_STATE_GUEST_PANICKED);
1730 if (!no_shutdown) {
1731 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1732 !!info, info);
1733 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1734 }
1735
1736 if (info) {
1737 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1738 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1739 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1740 info->u.hyper_v.arg1,
1741 info->u.hyper_v.arg2,
1742 info->u.hyper_v.arg3,
1743 info->u.hyper_v.arg4,
1744 info->u.hyper_v.arg5);
1745 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1746 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1747 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1748 info->u.s390.core,
1749 S390CrashReason_str(info->u.s390.reason),
1750 info->u.s390.psw_mask,
1751 info->u.s390.psw_addr);
1752 }
1753 qapi_free_GuestPanicInformation(info);
1754 }
1755 }
1756
1757 void qemu_system_reset_request(ShutdownCause reason)
1758 {
1759 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1760 shutdown_requested = reason;
1761 } else {
1762 reset_requested = reason;
1763 }
1764 cpu_stop_current();
1765 qemu_notify_event();
1766 }
1767
1768 static void qemu_system_suspend(void)
1769 {
1770 pause_all_vcpus();
1771 notifier_list_notify(&suspend_notifiers, NULL);
1772 runstate_set(RUN_STATE_SUSPENDED);
1773 qapi_event_send_suspend();
1774 }
1775
1776 void qemu_system_suspend_request(void)
1777 {
1778 if (runstate_check(RUN_STATE_SUSPENDED)) {
1779 return;
1780 }
1781 suspend_requested = 1;
1782 cpu_stop_current();
1783 qemu_notify_event();
1784 }
1785
1786 void qemu_register_suspend_notifier(Notifier *notifier)
1787 {
1788 notifier_list_add(&suspend_notifiers, notifier);
1789 }
1790
1791 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1792 {
1793 trace_system_wakeup_request(reason);
1794
1795 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1796 error_setg(errp,
1797 "Unable to wake up: guest is not in suspended state");
1798 return;
1799 }
1800 if (!(wakeup_reason_mask & (1 << reason))) {
1801 return;
1802 }
1803 runstate_set(RUN_STATE_RUNNING);
1804 wakeup_reason = reason;
1805 qemu_notify_event();
1806 }
1807
1808 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1809 {
1810 if (enabled) {
1811 wakeup_reason_mask |= (1 << reason);
1812 } else {
1813 wakeup_reason_mask &= ~(1 << reason);
1814 }
1815 }
1816
1817 void qemu_register_wakeup_notifier(Notifier *notifier)
1818 {
1819 notifier_list_add(&wakeup_notifiers, notifier);
1820 }
1821
1822 void qemu_register_wakeup_support(void)
1823 {
1824 wakeup_suspend_enabled = true;
1825 }
1826
1827 bool qemu_wakeup_suspend_enabled(void)
1828 {
1829 return wakeup_suspend_enabled;
1830 }
1831
1832 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1833 {
1834 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1835 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1836
1837 return params;
1838 }
1839
1840 void qemu_system_killed(int signal, pid_t pid)
1841 {
1842 shutdown_signal = signal;
1843 shutdown_pid = pid;
1844 no_shutdown = 0;
1845
1846 /* Cannot call qemu_system_shutdown_request directly because
1847 * we are in a signal handler.
1848 */
1849 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1850 qemu_notify_event();
1851 }
1852
1853 void qemu_system_shutdown_request(ShutdownCause reason)
1854 {
1855 trace_qemu_system_shutdown_request(reason);
1856 replay_shutdown_request(reason);
1857 shutdown_requested = reason;
1858 qemu_notify_event();
1859 }
1860
1861 static void qemu_system_powerdown(void)
1862 {
1863 qapi_event_send_powerdown();
1864 notifier_list_notify(&powerdown_notifiers, NULL);
1865 }
1866
1867 static void qemu_system_shutdown(ShutdownCause cause)
1868 {
1869 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1870 notifier_list_notify(&shutdown_notifiers, &cause);
1871 }
1872
1873 void qemu_system_powerdown_request(void)
1874 {
1875 trace_qemu_system_powerdown_request();
1876 powerdown_requested = 1;
1877 qemu_notify_event();
1878 }
1879
1880 void qemu_register_powerdown_notifier(Notifier *notifier)
1881 {
1882 notifier_list_add(&powerdown_notifiers, notifier);
1883 }
1884
1885 void qemu_register_shutdown_notifier(Notifier *notifier)
1886 {
1887 notifier_list_add(&shutdown_notifiers, notifier);
1888 }
1889
1890 void qemu_system_debug_request(void)
1891 {
1892 debug_requested = 1;
1893 qemu_notify_event();
1894 }
1895
1896 static bool main_loop_should_exit(void)
1897 {
1898 RunState r;
1899 ShutdownCause request;
1900
1901 if (preconfig_exit_requested) {
1902 if (runstate_check(RUN_STATE_PRECONFIG)) {
1903 runstate_set(RUN_STATE_PRELAUNCH);
1904 }
1905 preconfig_exit_requested = false;
1906 return true;
1907 }
1908 if (qemu_debug_requested()) {
1909 vm_stop(RUN_STATE_DEBUG);
1910 }
1911 if (qemu_suspend_requested()) {
1912 qemu_system_suspend();
1913 }
1914 request = qemu_shutdown_requested();
1915 if (request) {
1916 qemu_kill_report();
1917 qemu_system_shutdown(request);
1918 if (no_shutdown) {
1919 vm_stop(RUN_STATE_SHUTDOWN);
1920 } else {
1921 return true;
1922 }
1923 }
1924 request = qemu_reset_requested();
1925 if (request) {
1926 pause_all_vcpus();
1927 qemu_system_reset(request);
1928 resume_all_vcpus();
1929 if (!runstate_check(RUN_STATE_RUNNING) &&
1930 !runstate_check(RUN_STATE_INMIGRATE)) {
1931 runstate_set(RUN_STATE_PRELAUNCH);
1932 }
1933 }
1934 if (qemu_wakeup_requested()) {
1935 pause_all_vcpus();
1936 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1937 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1938 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1939 resume_all_vcpus();
1940 qapi_event_send_wakeup();
1941 }
1942 if (qemu_powerdown_requested()) {
1943 qemu_system_powerdown();
1944 }
1945 if (qemu_vmstop_requested(&r)) {
1946 vm_stop(r);
1947 }
1948 return false;
1949 }
1950
1951 static void main_loop(void)
1952 {
1953 #ifdef CONFIG_PROFILER
1954 int64_t ti;
1955 #endif
1956 while (!main_loop_should_exit()) {
1957 #ifdef CONFIG_PROFILER
1958 ti = profile_getclock();
1959 #endif
1960 main_loop_wait(false);
1961 #ifdef CONFIG_PROFILER
1962 dev_time += profile_getclock() - ti;
1963 #endif
1964 }
1965 }
1966
1967 static void version(void)
1968 {
1969 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1970 QEMU_COPYRIGHT "\n");
1971 }
1972
1973 static void help(int exitcode)
1974 {
1975 version();
1976 printf("usage: %s [options] [disk_image]\n\n"
1977 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1978 error_get_progname());
1979
1980 #define QEMU_OPTIONS_GENERATE_HELP
1981 #include "qemu-options-wrapper.h"
1982
1983 printf("\nDuring emulation, the following keys are useful:\n"
1984 "ctrl-alt-f toggle full screen\n"
1985 "ctrl-alt-n switch to virtual console 'n'\n"
1986 "ctrl-alt toggle mouse and keyboard grab\n"
1987 "\n"
1988 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1989 "\n"
1990 QEMU_HELP_BOTTOM "\n");
1991
1992 exit(exitcode);
1993 }
1994
1995 #define HAS_ARG 0x0001
1996
1997 typedef struct QEMUOption {
1998 const char *name;
1999 int flags;
2000 int index;
2001 uint32_t arch_mask;
2002 } QEMUOption;
2003
2004 static const QEMUOption qemu_options[] = {
2005 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2006 #define QEMU_OPTIONS_GENERATE_OPTIONS
2007 #include "qemu-options-wrapper.h"
2008 { NULL },
2009 };
2010
2011 typedef struct VGAInterfaceInfo {
2012 const char *opt_name; /* option name */
2013 const char *name; /* human-readable name */
2014 /* Class names indicating that support is available.
2015 * If no class is specified, the interface is always available */
2016 const char *class_names[2];
2017 } VGAInterfaceInfo;
2018
2019 static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2020 [VGA_NONE] = {
2021 .opt_name = "none",
2022 .name = "no graphic card",
2023 },
2024 [VGA_STD] = {
2025 .opt_name = "std",
2026 .name = "standard VGA",
2027 .class_names = { "VGA", "isa-vga" },
2028 },
2029 [VGA_CIRRUS] = {
2030 .opt_name = "cirrus",
2031 .name = "Cirrus VGA",
2032 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2033 },
2034 [VGA_VMWARE] = {
2035 .opt_name = "vmware",
2036 .name = "VMWare SVGA",
2037 .class_names = { "vmware-svga" },
2038 },
2039 [VGA_VIRTIO] = {
2040 .opt_name = "virtio",
2041 .name = "Virtio VGA",
2042 .class_names = { "virtio-vga" },
2043 },
2044 [VGA_QXL] = {
2045 .opt_name = "qxl",
2046 .name = "QXL VGA",
2047 .class_names = { "qxl-vga" },
2048 },
2049 [VGA_TCX] = {
2050 .opt_name = "tcx",
2051 .name = "TCX framebuffer",
2052 .class_names = { "SUNW,tcx" },
2053 },
2054 [VGA_CG3] = {
2055 .opt_name = "cg3",
2056 .name = "CG3 framebuffer",
2057 .class_names = { "cgthree" },
2058 },
2059 [VGA_XENFB] = {
2060 .opt_name = "xenfb",
2061 .name = "Xen paravirtualized framebuffer",
2062 },
2063 };
2064
2065 static bool vga_interface_available(VGAInterfaceType t)
2066 {
2067 const VGAInterfaceInfo *ti = &vga_interfaces[t];
2068
2069 assert(t < VGA_TYPE_MAX);
2070 return !ti->class_names[0] ||
2071 object_class_by_name(ti->class_names[0]) ||
2072 object_class_by_name(ti->class_names[1]);
2073 }
2074
2075 static const char *
2076 get_default_vga_model(const MachineClass *machine_class)
2077 {
2078 if (machine_class->default_display) {
2079 return machine_class->default_display;
2080 } else if (vga_interface_available(VGA_CIRRUS)) {
2081 return "cirrus";
2082 } else if (vga_interface_available(VGA_STD)) {
2083 return "std";
2084 }
2085
2086 return NULL;
2087 }
2088
2089 static void select_vgahw(const MachineClass *machine_class, const char *p)
2090 {
2091 const char *opts;
2092 int t;
2093
2094 if (g_str_equal(p, "help")) {
2095 const char *def = get_default_vga_model(machine_class);
2096
2097 for (t = 0; t < VGA_TYPE_MAX; t++) {
2098 const VGAInterfaceInfo *ti = &vga_interfaces[t];
2099
2100 if (vga_interface_available(t) && ti->opt_name) {
2101 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
2102 g_str_equal(ti->opt_name, def) ? " (default)" : "");
2103 }
2104 }
2105 exit(0);
2106 }
2107
2108 assert(vga_interface_type == VGA_NONE);
2109 for (t = 0; t < VGA_TYPE_MAX; t++) {
2110 const VGAInterfaceInfo *ti = &vga_interfaces[t];
2111 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2112 if (!vga_interface_available(t)) {
2113 error_report("%s not available", ti->name);
2114 exit(1);
2115 }
2116 vga_interface_type = t;
2117 break;
2118 }
2119 }
2120 if (t == VGA_TYPE_MAX) {
2121 invalid_vga:
2122 error_report("unknown vga type: %s", p);
2123 exit(1);
2124 }
2125 while (*opts) {
2126 const char *nextopt;
2127
2128 if (strstart(opts, ",retrace=", &nextopt)) {
2129 opts = nextopt;
2130 if (strstart(opts, "dumb", &nextopt))
2131 vga_retrace_method = VGA_RETRACE_DUMB;
2132 else if (strstart(opts, "precise", &nextopt))
2133 vga_retrace_method = VGA_RETRACE_PRECISE;
2134 else goto invalid_vga;
2135 } else goto invalid_vga;
2136 opts = nextopt;
2137 }
2138 }
2139
2140 static void parse_display_qapi(const char *optarg)
2141 {
2142 DisplayOptions *opts;
2143 Visitor *v;
2144
2145 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2146
2147 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2148 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2149
2150 qapi_free_DisplayOptions(opts);
2151 visit_free(v);
2152 }
2153
2154 DisplayOptions *qmp_query_display_options(Error **errp)
2155 {
2156 return QAPI_CLONE(DisplayOptions, &dpy);
2157 }
2158
2159 static void parse_display(const char *p)
2160 {
2161 const char *opts;
2162
2163 if (strstart(p, "sdl", &opts)) {
2164 /*
2165 * sdl DisplayType needs hand-crafted parser instead of
2166 * parse_display_qapi() due to some options not in
2167 * DisplayOptions, specifically:
2168 * - frame
2169 * Already deprecated.
2170 * - ctrl_grab + alt_grab
2171 * Not clear yet what happens to them long-term. Should
2172 * replaced by something better or deprecated and dropped.
2173 */
2174 dpy.type = DISPLAY_TYPE_SDL;
2175 while (*opts) {
2176 const char *nextopt;
2177
2178 if (strstart(opts, ",alt_grab=", &nextopt)) {
2179 opts = nextopt;
2180 if (strstart(opts, "on", &nextopt)) {
2181 alt_grab = 1;
2182 } else if (strstart(opts, "off", &nextopt)) {
2183 alt_grab = 0;
2184 } else {
2185 goto invalid_sdl_args;
2186 }
2187 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2188 opts = nextopt;
2189 if (strstart(opts, "on", &nextopt)) {
2190 ctrl_grab = 1;
2191 } else if (strstart(opts, "off", &nextopt)) {
2192 ctrl_grab = 0;
2193 } else {
2194 goto invalid_sdl_args;
2195 }
2196 } else if (strstart(opts, ",window_close=", &nextopt)) {
2197 opts = nextopt;
2198 dpy.has_window_close = true;
2199 if (strstart(opts, "on", &nextopt)) {
2200 dpy.window_close = true;
2201 } else if (strstart(opts, "off", &nextopt)) {
2202 dpy.window_close = false;
2203 } else {
2204 goto invalid_sdl_args;
2205 }
2206 } else if (strstart(opts, ",gl=", &nextopt)) {
2207 opts = nextopt;
2208 dpy.has_gl = true;
2209 if (strstart(opts, "on", &nextopt)) {
2210 dpy.gl = DISPLAYGL_MODE_ON;
2211 } else if (strstart(opts, "core", &nextopt)) {
2212 dpy.gl = DISPLAYGL_MODE_CORE;
2213 } else if (strstart(opts, "es", &nextopt)) {
2214 dpy.gl = DISPLAYGL_MODE_ES;
2215 } else if (strstart(opts, "off", &nextopt)) {
2216 dpy.gl = DISPLAYGL_MODE_OFF;
2217 } else {
2218 goto invalid_sdl_args;
2219 }
2220 } else {
2221 invalid_sdl_args:
2222 error_report("invalid SDL option string");
2223 exit(1);
2224 }
2225 opts = nextopt;
2226 }
2227 } else if (strstart(p, "vnc", &opts)) {
2228 /*
2229 * vnc isn't a (local) DisplayType but a protocol for remote
2230 * display access.
2231 */
2232 if (*opts == '=') {
2233 vnc_parse(opts + 1, &error_fatal);
2234 } else {
2235 error_report("VNC requires a display argument vnc=<display>");
2236 exit(1);
2237 }
2238 } else {
2239 parse_display_qapi(p);
2240 }
2241 }
2242
2243 char *qemu_find_file(int type, const char *name)
2244 {
2245 int i;
2246 const char *subdir;
2247 char *buf;
2248
2249 /* Try the name as a straight path first */
2250 if (access(name, R_OK) == 0) {
2251 trace_load_file(name, name);
2252 return g_strdup(name);
2253 }
2254
2255 switch (type) {
2256 case QEMU_FILE_TYPE_BIOS:
2257 subdir = "";
2258 break;
2259 case QEMU_FILE_TYPE_KEYMAP:
2260 subdir = "keymaps/";
2261 break;
2262 default:
2263 abort();
2264 }
2265
2266 for (i = 0; i < data_dir_idx; i++) {
2267 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2268 if (access(buf, R_OK) == 0) {
2269 trace_load_file(name, buf);
2270 return buf;
2271 }
2272 g_free(buf);
2273 }
2274 return NULL;
2275 }
2276
2277 static void qemu_add_data_dir(const char *path)
2278 {
2279 int i;
2280
2281 if (path == NULL) {
2282 return;
2283 }
2284 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2285 return;
2286 }
2287 for (i = 0; i < data_dir_idx; i++) {
2288 if (strcmp(data_dir[i], path) == 0) {
2289 return; /* duplicate */
2290 }
2291 }
2292 data_dir[data_dir_idx++] = g_strdup(path);
2293 }
2294
2295 static inline bool nonempty_str(const char *str)
2296 {
2297 return str && *str;
2298 }
2299
2300 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2301 {
2302 gchar *buf;
2303 size_t size;
2304 const char *name, *file, *str;
2305 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2306
2307 if (fw_cfg == NULL) {
2308 error_setg(errp, "fw_cfg device not available");
2309 return -1;
2310 }
2311 name = qemu_opt_get(opts, "name");
2312 file = qemu_opt_get(opts, "file");
2313 str = qemu_opt_get(opts, "string");
2314
2315 /* we need name and either a file or the content string */
2316 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2317 error_setg(errp, "invalid argument(s)");
2318 return -1;
2319 }
2320 if (nonempty_str(file) && nonempty_str(str)) {
2321 error_setg(errp, "file and string are mutually exclusive");
2322 return -1;
2323 }
2324 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2325 error_setg(errp, "name too long (max. %d char)",
2326 FW_CFG_MAX_FILE_PATH - 1);
2327 return -1;
2328 }
2329 if (strncmp(name, "opt/", 4) != 0) {
2330 warn_report("externally provided fw_cfg item names "
2331 "should be prefixed with \"opt/\"");
2332 }
2333 if (nonempty_str(str)) {
2334 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2335 buf = g_memdup(str, size);
2336 } else {
2337 GError *err = NULL;
2338 if (!g_file_get_contents(file, &buf, &size, &err)) {
2339 error_setg(errp, "can't load %s: %s", file, err->message);
2340 g_error_free(err);
2341 return -1;
2342 }
2343 }
2344 /* For legacy, keep user files in a specific global order. */
2345 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2346 fw_cfg_add_file(fw_cfg, name, buf, size);
2347 fw_cfg_reset_order_override(fw_cfg);
2348 return 0;
2349 }
2350
2351 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2352 {
2353 return qdev_device_help(opts);
2354 }
2355
2356 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2357 {
2358 DeviceState *dev;
2359
2360 dev = qdev_device_add(opts, errp);
2361 if (!dev) {
2362 return -1;
2363 }
2364 object_unref(OBJECT(dev));
2365 return 0;
2366 }
2367
2368 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2369 {
2370 Error *local_err = NULL;
2371
2372 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2373 if (local_err) {
2374 error_propagate(errp, local_err);
2375 return -1;
2376 }
2377 exit(0);
2378 }
2379 return 0;
2380 }
2381
2382 #ifdef CONFIG_VIRTFS
2383 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2384 {
2385 return qemu_fsdev_add(opts, errp);
2386 }
2387 #endif
2388
2389 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2390 {
2391 Chardev *chr;
2392 const char *chardev;
2393 const char *mode;
2394 int flags;
2395
2396 mode = qemu_opt_get(opts, "mode");
2397 if (mode == NULL) {
2398 mode = "readline";
2399 }
2400 if (strcmp(mode, "readline") == 0) {
2401 flags = MONITOR_USE_READLINE;
2402 } else if (strcmp(mode, "control") == 0) {
2403 flags = MONITOR_USE_CONTROL;
2404 } else {
2405 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2406 return -1;
2407 }
2408
2409 if (qemu_opt_get_bool(opts, "pretty", 0))
2410 flags |= MONITOR_USE_PRETTY;
2411
2412 chardev = qemu_opt_get(opts, "chardev");
2413 if (!chardev) {
2414 error_report("chardev is required");
2415 exit(1);
2416 }
2417 chr = qemu_chr_find(chardev);
2418 if (chr == NULL) {
2419 error_setg(errp, "chardev \"%s\" not found", chardev);
2420 return -1;
2421 }
2422
2423 monitor_init(chr, flags);
2424 return 0;
2425 }
2426
2427 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2428 {
2429 static int monitor_device_index = 0;
2430 QemuOpts *opts;
2431 const char *p;
2432 char label[32];
2433
2434 if (strstart(optarg, "chardev:", &p)) {
2435 snprintf(label, sizeof(label), "%s", p);
2436 } else {
2437 snprintf(label, sizeof(label), "compat_monitor%d",
2438 monitor_device_index);
2439 opts = qemu_chr_parse_compat(label, optarg, true);
2440 if (!opts) {
2441 error_report("parse error: %s", optarg);
2442 exit(1);
2443 }
2444 }
2445
2446 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2447 qemu_opt_set(opts, "mode", mode, &error_abort);
2448 qemu_opt_set(opts, "chardev", label, &error_abort);
2449 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2450 monitor_device_index++;
2451 }
2452
2453 struct device_config {
2454 enum {
2455 DEV_USB, /* -usbdevice */
2456 DEV_BT, /* -bt */
2457 DEV_SERIAL, /* -serial */
2458 DEV_PARALLEL, /* -parallel */
2459 DEV_DEBUGCON, /* -debugcon */
2460 DEV_GDB, /* -gdb, -s */
2461 DEV_SCLP, /* s390 sclp */
2462 } type;
2463 const char *cmdline;
2464 Location loc;
2465 QTAILQ_ENTRY(device_config) next;
2466 };
2467
2468 static QTAILQ_HEAD(, device_config) device_configs =
2469 QTAILQ_HEAD_INITIALIZER(device_configs);
2470
2471 static void add_device_config(int type, const char *cmdline)
2472 {
2473 struct device_config *conf;
2474
2475 conf = g_malloc0(sizeof(*conf));
2476 conf->type = type;
2477 conf->cmdline = cmdline;
2478 loc_save(&conf->loc);
2479 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2480 }
2481
2482 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2483 {
2484 struct device_config *conf;
2485 int rc;
2486
2487 QTAILQ_FOREACH(conf, &device_configs, next) {
2488 if (conf->type != type)
2489 continue;
2490 loc_push_restore(&conf->loc);
2491 rc = func(conf->cmdline);
2492 loc_pop(&conf->loc);
2493 if (rc) {
2494 return rc;
2495 }
2496 }
2497 return 0;
2498 }
2499
2500 static int serial_parse(const char *devname)
2501 {
2502 int index = num_serial_hds;
2503 char label[32];
2504
2505 if (strcmp(devname, "none") == 0)
2506 return 0;
2507 snprintf(label, sizeof(label), "serial%d", index);
2508 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2509
2510 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2511 if (!serial_hds[index]) {
2512 error_report("could not connect serial device"
2513 " to character backend '%s'", devname);
2514 return -1;
2515 }
2516 num_serial_hds++;
2517 return 0;
2518 }
2519
2520 Chardev *serial_hd(int i)
2521 {
2522 assert(i >= 0);
2523 if (i < num_serial_hds) {
2524 return serial_hds[i];
2525 }
2526 return NULL;
2527 }
2528
2529 int serial_max_hds(void)
2530 {
2531 return num_serial_hds;
2532 }
2533
2534 static int parallel_parse(const char *devname)
2535 {
2536 static int index = 0;
2537 char label[32];
2538
2539 if (strcmp(devname, "none") == 0)
2540 return 0;
2541 if (index == MAX_PARALLEL_PORTS) {
2542 error_report("too many parallel ports");
2543 exit(1);
2544 }
2545 snprintf(label, sizeof(label), "parallel%d", index);
2546 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2547 if (!parallel_hds[index]) {
2548 error_report("could not connect parallel device"
2549 " to character backend '%s'", devname);
2550 return -1;
2551 }
2552 index++;
2553 return 0;
2554 }
2555
2556 static int debugcon_parse(const char *devname)
2557 {
2558 QemuOpts *opts;
2559
2560 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
2561 error_report("invalid character backend '%s'", devname);
2562 exit(1);
2563 }
2564 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2565 if (!opts) {
2566 error_report("already have a debugcon device");
2567 exit(1);
2568 }
2569 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2570 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2571 return 0;
2572 }
2573
2574 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2575 {
2576 const MachineClass *mc1 = a, *mc2 = b;
2577 int res;
2578
2579 if (mc1->family == NULL) {
2580 if (mc2->family == NULL) {
2581 /* Compare standalone machine types against each other; they sort
2582 * in increasing order.
2583 */
2584 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2585 object_class_get_name(OBJECT_CLASS(mc2)));
2586 }
2587
2588 /* Standalone machine types sort after families. */
2589 return 1;
2590 }
2591
2592 if (mc2->family == NULL) {
2593 /* Families sort before standalone machine types. */
2594 return -1;
2595 }
2596
2597 /* Families sort between each other alphabetically increasingly. */
2598 res = strcmp(mc1->family, mc2->family);
2599 if (res != 0) {
2600 return res;
2601 }
2602
2603 /* Within the same family, machine types sort in decreasing order. */
2604 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2605 object_class_get_name(OBJECT_CLASS(mc1)));
2606 }
2607
2608 static MachineClass *machine_parse(const char *name, GSList *machines)
2609 {
2610 MachineClass *mc;
2611 GSList *el;
2612
2613 if (is_help_option(name)) {
2614 printf("Supported machines are:\n");
2615 machines = g_slist_sort(machines, machine_class_cmp);
2616 for (el = machines; el; el = el->next) {
2617 MachineClass *mc = el->data;
2618 if (mc->alias) {
2619 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2620 }
2621 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2622 mc->is_default ? " (default)" : "",
2623 mc->deprecation_reason ? " (deprecated)" : "");
2624 }
2625 exit(0);
2626 }
2627
2628 mc = find_machine(name, machines);
2629 if (!mc) {
2630 error_report("unsupported machine type");
2631 error_printf("Use -machine help to list supported machines\n");
2632 exit(1);
2633 }
2634 return mc;
2635 }
2636
2637 void qemu_add_exit_notifier(Notifier *notify)
2638 {
2639 notifier_list_add(&exit_notifiers, notify);
2640 }
2641
2642 void qemu_remove_exit_notifier(Notifier *notify)
2643 {
2644 notifier_remove(notify);
2645 }
2646
2647 static void qemu_run_exit_notifiers(void)
2648 {
2649 notifier_list_notify(&exit_notifiers, NULL);
2650 }
2651
2652 static const char *pid_file;
2653 static Notifier qemu_unlink_pidfile_notifier;
2654
2655 static void qemu_unlink_pidfile(Notifier *n, void *data)
2656 {
2657 if (pid_file) {
2658 unlink(pid_file);
2659 }
2660 }
2661
2662 bool machine_init_done;
2663
2664 void qemu_add_machine_init_done_notifier(Notifier *notify)
2665 {
2666 notifier_list_add(&machine_init_done_notifiers, notify);
2667 if (machine_init_done) {
2668 notify->notify(notify, NULL);
2669 }
2670 }
2671
2672 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2673 {
2674 notifier_remove(notify);
2675 }
2676
2677 static void qemu_run_machine_init_done_notifiers(void)
2678 {
2679 machine_init_done = true;
2680 notifier_list_notify(&machine_init_done_notifiers, NULL);
2681 }
2682
2683 static const QEMUOption *lookup_opt(int argc, char **argv,
2684 const char **poptarg, int *poptind)
2685 {
2686 const QEMUOption *popt;
2687 int optind = *poptind;
2688 char *r = argv[optind];
2689 const char *optarg;
2690
2691 loc_set_cmdline(argv, optind, 1);
2692 optind++;
2693 /* Treat --foo the same as -foo. */
2694 if (r[1] == '-')
2695 r++;
2696 popt = qemu_options;
2697 for(;;) {
2698 if (!popt->name) {
2699 error_report("invalid option");
2700 exit(1);
2701 }
2702 if (!strcmp(popt->name, r + 1))
2703 break;
2704 popt++;
2705 }
2706 if (popt->flags & HAS_ARG) {
2707 if (optind >= argc) {
2708 error_report("requires an argument");
2709 exit(1);
2710 }
2711 optarg = argv[optind++];
2712 loc_set_cmdline(argv, optind - 2, 2);
2713 } else {
2714 optarg = NULL;
2715 }
2716
2717 *poptarg = optarg;
2718 *poptind = optind;
2719
2720 return popt;
2721 }
2722
2723 static MachineClass *select_machine(void)
2724 {
2725 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
2726 MachineClass *machine_class = find_default_machine(machines);
2727 const char *optarg;
2728 QemuOpts *opts;
2729 Location loc;
2730
2731 loc_push_none(&loc);
2732
2733 opts = qemu_get_machine_opts();
2734 qemu_opts_loc_restore(opts);
2735
2736 optarg = qemu_opt_get(opts, "type");
2737 if (optarg) {
2738 machine_class = machine_parse(optarg, machines);
2739 }
2740
2741 if (!machine_class) {
2742 error_report("No machine specified, and there is no default");
2743 error_printf("Use -machine help to list supported machines\n");
2744 exit(1);
2745 }
2746
2747 loc_pop(&loc);
2748 g_slist_free(machines);
2749 return machine_class;
2750 }
2751
2752 static int machine_set_property(void *opaque,
2753 const char *name, const char *value,
2754 Error **errp)
2755 {
2756 Object *obj = OBJECT(opaque);
2757 Error *local_err = NULL;
2758 char *p, *qom_name;
2759
2760 if (strcmp(name, "type") == 0) {
2761 return 0;
2762 }
2763
2764 qom_name = g_strdup(name);
2765 for (p = qom_name; *p; p++) {
2766 if (*p == '_') {
2767 *p = '-';
2768 }
2769 }
2770
2771 object_property_parse(obj, value, qom_name, &local_err);
2772 g_free(qom_name);
2773
2774 if (local_err) {
2775 error_propagate(errp, local_err);
2776 return -1;
2777 }
2778
2779 return 0;
2780 }
2781
2782
2783 /*
2784 * Initial object creation happens before all other
2785 * QEMU data types are created. The majority of objects
2786 * can be created at this point. The rng-egd object
2787 * cannot be created here, as it depends on the chardev
2788 * already existing.
2789 */
2790 static bool object_create_initial(const char *type, QemuOpts *opts)
2791 {
2792 ObjectClass *klass;
2793
2794 if (is_help_option(type)) {
2795 GSList *l, *list;
2796
2797 printf("List of user creatable objects:\n");
2798 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2799 for (l = list; l != NULL; l = l->next) {
2800 ObjectClass *oc = OBJECT_CLASS(l->data);
2801 printf(" %s\n", object_class_get_name(oc));
2802 }
2803 g_slist_free(list);
2804 exit(0);
2805 }
2806
2807 klass = object_class_by_name(type);
2808 if (klass && qemu_opt_has_help_opt(opts)) {
2809 ObjectPropertyIterator iter;
2810 ObjectProperty *prop;
2811 GPtrArray *array = g_ptr_array_new();
2812 int i;
2813
2814 object_class_property_iter_init(&iter, klass);
2815 while ((prop = object_property_iter_next(&iter))) {
2816 GString *str;
2817
2818 if (!prop->set) {
2819 continue;
2820 }
2821
2822 str = g_string_new(NULL);
2823 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2824 if (prop->description) {
2825 if (str->len < 24) {
2826 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2827 }
2828 g_string_append_printf(str, " - %s", prop->description);
2829 }
2830 g_ptr_array_add(array, g_string_free(str, false));
2831 }
2832 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2833 if (array->len > 0) {
2834 printf("%s options:\n", type);
2835 } else {
2836 printf("There are no options for %s.\n", type);
2837 }
2838 for (i = 0; i < array->len; i++) {
2839 printf("%s\n", (char *)array->pdata[i]);
2840 }
2841 g_ptr_array_set_free_func(array, g_free);
2842 g_ptr_array_free(array, true);
2843 exit(0);
2844 }
2845
2846 if (g_str_equal(type, "rng-egd") ||
2847 g_str_has_prefix(type, "pr-manager-")) {
2848 return false;
2849 }
2850
2851 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2852 if (g_str_equal(type, "cryptodev-vhost-user")) {
2853 return false;
2854 }
2855 #endif
2856
2857 /*
2858 * return false for concrete netfilters since
2859 * they depend on netdevs already existing
2860 */
2861 if (g_str_equal(type, "filter-buffer") ||
2862 g_str_equal(type, "filter-dump") ||
2863 g_str_equal(type, "filter-mirror") ||
2864 g_str_equal(type, "filter-redirector") ||
2865 g_str_equal(type, "colo-compare") ||
2866 g_str_equal(type, "filter-rewriter") ||
2867 g_str_equal(type, "filter-replay")) {
2868 return false;
2869 }
2870
2871 /* Memory allocation by backends needs to be done
2872 * after configure_accelerator() (due to the tcg_enabled()
2873 * checks at memory_region_init_*()).
2874 *
2875 * Also, allocation of large amounts of memory may delay
2876 * chardev initialization for too long, and trigger timeouts
2877 * on software that waits for a monitor socket to be created
2878 * (e.g. libvirt).
2879 */
2880 if (g_str_has_prefix(type, "memory-backend-")) {
2881 return false;
2882 }
2883
2884 return true;
2885 }
2886
2887
2888 /*
2889 * The remainder of object creation happens after the
2890 * creation of chardev, fsdev, net clients and device data types.
2891 */
2892 static bool object_create_delayed(const char *type, QemuOpts *opts)
2893 {
2894 return !object_create_initial(type, opts);
2895 }
2896
2897
2898 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2899 MachineClass *mc)
2900 {
2901 uint64_t sz;
2902 const char *mem_str;
2903 const ram_addr_t default_ram_size = mc->default_ram_size;
2904 QemuOpts *opts = qemu_find_opts_singleton("memory");
2905 Location loc;
2906
2907 loc_push_none(&loc);
2908 qemu_opts_loc_restore(opts);
2909
2910 sz = 0;
2911 mem_str = qemu_opt_get(opts, "size");
2912 if (mem_str) {
2913 if (!*mem_str) {
2914 error_report("missing 'size' option value");
2915 exit(EXIT_FAILURE);
2916 }
2917
2918 sz = qemu_opt_get_size(opts, "size", ram_size);
2919
2920 /* Fix up legacy suffix-less format */
2921 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2922 uint64_t overflow_check = sz;
2923
2924 sz *= MiB;
2925 if (sz / MiB != overflow_check) {
2926 error_report("too large 'size' option value");
2927 exit(EXIT_FAILURE);
2928 }
2929 }
2930 }
2931
2932 /* backward compatibility behaviour for case "-m 0" */
2933 if (sz == 0) {
2934 sz = default_ram_size;
2935 }
2936
2937 sz = QEMU_ALIGN_UP(sz, 8192);
2938 ram_size = sz;
2939 if (ram_size != sz) {
2940 error_report("ram size too large");
2941 exit(EXIT_FAILURE);
2942 }
2943
2944 /* store value for the future use */
2945 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2946 *maxram_size = ram_size;
2947
2948 if (qemu_opt_get(opts, "maxmem")) {
2949 uint64_t slots;
2950
2951 sz = qemu_opt_get_size(opts, "maxmem", 0);
2952 slots = qemu_opt_get_number(opts, "slots", 0);
2953 if (sz < ram_size) {
2954 error_report("invalid value of -m option maxmem: "
2955 "maximum memory size (0x%" PRIx64 ") must be at least "
2956 "the initial memory size (0x" RAM_ADDR_FMT ")",
2957 sz, ram_size);
2958 exit(EXIT_FAILURE);
2959 } else if (slots && sz == ram_size) {
2960 error_report("invalid value of -m option maxmem: "
2961 "memory slots were specified but maximum memory size "
2962 "(0x%" PRIx64 ") is equal to the initial memory size "
2963 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2964 exit(EXIT_FAILURE);
2965 }
2966
2967 *maxram_size = sz;
2968 *ram_slots = slots;
2969 } else if (qemu_opt_get(opts, "slots")) {
2970 error_report("invalid -m option value: missing 'maxmem' option");
2971 exit(EXIT_FAILURE);
2972 }
2973
2974 loc_pop(&loc);
2975 }
2976
2977 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2978 {
2979 GlobalProperty *g;
2980
2981 g = g_malloc0(sizeof(*g));
2982 g->driver = qemu_opt_get(opts, "driver");
2983 g->property = qemu_opt_get(opts, "property");
2984 g->value = qemu_opt_get(opts, "value");
2985 qdev_prop_register_global(g);
2986 return 0;
2987 }
2988
2989 static int qemu_read_default_config_file(void)
2990 {
2991 int ret;
2992
2993 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2994 if (ret < 0 && ret != -ENOENT) {
2995 return ret;
2996 }
2997
2998 return 0;
2999 }
3000
3001 static void user_register_global_props(void)
3002 {
3003 qemu_opts_foreach(qemu_find_opts("global"),
3004 global_init_func, NULL, NULL);
3005 }
3006
3007 int main(int argc, char **argv, char **envp)
3008 {
3009 int i;
3010 int snapshot, linux_boot;
3011 const char *initrd_filename;
3012 const char *kernel_filename, *kernel_cmdline;
3013 const char *boot_order = NULL;
3014 const char *boot_once = NULL;
3015 DisplayState *ds;
3016 QemuOpts *opts, *machine_opts;
3017 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
3018 QemuOptsList *olist;
3019 int optind;
3020 const char *optarg;
3021 const char *loadvm = NULL;
3022 MachineClass *machine_class;
3023 const char *cpu_option;
3024 const char *vga_model = NULL;
3025 const char *qtest_chrdev = NULL;
3026 const char *qtest_log = NULL;
3027 const char *incoming = NULL;
3028 bool userconfig = true;
3029 bool nographic = false;
3030 int display_remote = 0;
3031 const char *log_mask = NULL;
3032 const char *log_file = NULL;
3033 char *trace_file = NULL;
3034 ram_addr_t maxram_size;
3035 uint64_t ram_slots = 0;
3036 FILE *vmstate_dump_file = NULL;
3037 Error *main_loop_err = NULL;
3038 Error *err = NULL;
3039 bool list_data_dirs = false;
3040 char *dir, **dirs;
3041 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3042
3043 error_init(argv[0]);
3044 module_call_init(MODULE_INIT_TRACE);
3045
3046 qemu_init_cpu_list();
3047 qemu_init_cpu_loop();
3048
3049 qemu_mutex_lock_iothread();
3050
3051 atexit(qemu_run_exit_notifiers);
3052 qemu_init_exec_dir(argv[0]);
3053
3054 module_call_init(MODULE_INIT_QOM);
3055
3056 qemu_add_opts(&qemu_drive_opts);
3057 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3058 qemu_add_drive_opts(&qemu_common_drive_opts);
3059 qemu_add_drive_opts(&qemu_drive_opts);
3060 qemu_add_drive_opts(&bdrv_runtime_opts);
3061 qemu_add_opts(&qemu_chardev_opts);
3062 qemu_add_opts(&qemu_device_opts);
3063 qemu_add_opts(&qemu_netdev_opts);
3064 qemu_add_opts(&qemu_nic_opts);
3065 qemu_add_opts(&qemu_net_opts);
3066 qemu_add_opts(&qemu_rtc_opts);
3067 qemu_add_opts(&qemu_global_opts);
3068 qemu_add_opts(&qemu_mon_opts);
3069 qemu_add_opts(&qemu_trace_opts);
3070 qemu_add_opts(&qemu_option_rom_opts);
3071 qemu_add_opts(&qemu_machine_opts);
3072 qemu_add_opts(&qemu_accel_opts);
3073 qemu_add_opts(&qemu_mem_opts);
3074 qemu_add_opts(&qemu_smp_opts);
3075 qemu_add_opts(&qemu_boot_opts);
3076 qemu_add_opts(&qemu_add_fd_opts);
3077 qemu_add_opts(&qemu_object_opts);
3078 qemu_add_opts(&qemu_tpmdev_opts);
3079 qemu_add_opts(&qemu_realtime_opts);
3080 qemu_add_opts(&qemu_overcommit_opts);
3081 qemu_add_opts(&qemu_msg_opts);
3082 qemu_add_opts(&qemu_name_opts);
3083 qemu_add_opts(&qemu_numa_opts);
3084 qemu_add_opts(&qemu_icount_opts);
3085 qemu_add_opts(&qemu_semihosting_config_opts);
3086 qemu_add_opts(&qemu_fw_cfg_opts);
3087 module_call_init(MODULE_INIT_OPTS);
3088
3089 runstate_init();
3090 precopy_infrastructure_init();
3091 postcopy_infrastructure_init();
3092 monitor_init_globals();
3093
3094 if (qcrypto_init(&err) < 0) {
3095 error_reportf_err(err, "cannot initialize crypto: ");
3096 exit(1);
3097 }
3098
3099 QLIST_INIT (&vm_change_state_head);
3100 os_setup_early_signal_handling();
3101
3102 cpu_option = NULL;
3103 snapshot = 0;
3104
3105 nb_nics = 0;
3106
3107 bdrv_init_with_whitelist();
3108
3109 autostart = 1;
3110
3111 /* first pass of option parsing */
3112 optind = 1;
3113 while (optind < argc) {
3114 if (argv[optind][0] != '-') {
3115 /* disk image */
3116 optind++;
3117 } else {
3118 const QEMUOption *popt;
3119
3120 popt = lookup_opt(argc, argv, &optarg, &optind);
3121 switch (popt->index) {
3122 case QEMU_OPTION_nouserconfig:
3123 userconfig = false;
3124 break;
3125 }
3126 }
3127 }
3128
3129 if (userconfig) {
3130 if (qemu_read_default_config_file() < 0) {
3131 exit(1);
3132 }
3133 }
3134
3135 /* second pass of option parsing */
3136 optind = 1;
3137 for(;;) {
3138 if (optind >= argc)
3139 break;
3140 if (argv[optind][0] != '-') {
3141 loc_set_cmdline(argv, optind, 1);
3142 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3143 } else {
3144 const QEMUOption *popt;
3145
3146 popt = lookup_opt(argc, argv, &optarg, &optind);
3147 if (!(popt->arch_mask & arch_type)) {
3148 error_report("Option not supported for this target");
3149 exit(1);
3150 }
3151 switch(popt->index) {
3152 case QEMU_OPTION_cpu:
3153 /* hw initialization will check this */
3154 cpu_option = optarg;
3155 break;
3156 case QEMU_OPTION_hda:
3157 case QEMU_OPTION_hdb:
3158 case QEMU_OPTION_hdc:
3159 case QEMU_OPTION_hdd:
3160 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3161 HD_OPTS);
3162 break;
3163 case QEMU_OPTION_blockdev:
3164 {
3165 Visitor *v;
3166 BlockdevOptionsQueueEntry *bdo;
3167
3168 v = qobject_input_visitor_new_str(optarg, "driver",
3169 &error_fatal);
3170
3171 bdo = g_new(BlockdevOptionsQueueEntry, 1);
3172 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3173 &error_fatal);
3174 visit_free(v);
3175 loc_save(&bdo->loc);
3176 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3177 break;
3178 }
3179 case QEMU_OPTION_drive:
3180 if (drive_def(optarg) == NULL) {
3181 exit(1);
3182 }
3183 break;
3184 case QEMU_OPTION_set:
3185 if (qemu_set_option(optarg) != 0)
3186 exit(1);
3187 break;
3188 case QEMU_OPTION_global:
3189 if (qemu_global_option(optarg) != 0)
3190 exit(1);
3191 break;
3192 case QEMU_OPTION_mtdblock:
3193 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3194 break;
3195 case QEMU_OPTION_sd:
3196 drive_add(IF_SD, -1, optarg, SD_OPTS);
3197 break;
3198 case QEMU_OPTION_pflash:
3199 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3200 break;
3201 case QEMU_OPTION_snapshot:
3202 snapshot = 1;
3203 break;
3204 case QEMU_OPTION_numa:
3205 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3206 optarg, true);
3207 if (!opts) {
3208 exit(1);
3209 }
3210 break;
3211 case QEMU_OPTION_display:
3212 parse_display(optarg);
3213 break;
3214 case QEMU_OPTION_nographic:
3215 olist = qemu_find_opts("machine");
3216 qemu_opts_parse_noisily(olist, "graphics=off", false);
3217 nographic = true;
3218 dpy.type = DISPLAY_TYPE_NONE;
3219 break;
3220 case QEMU_OPTION_curses:
3221 #ifdef CONFIG_CURSES
3222 dpy.type = DISPLAY_TYPE_CURSES;
3223 #else
3224 error_report("curses or iconv support is disabled");
3225 exit(1);
3226 #endif
3227 break;
3228 case QEMU_OPTION_portrait:
3229 graphic_rotate = 90;
3230 break;
3231 case QEMU_OPTION_rotate:
3232 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3233 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3234 graphic_rotate != 180 && graphic_rotate != 270) {
3235 error_report("only 90, 180, 270 deg rotation is available");
3236 exit(1);
3237 }
3238 break;
3239 case QEMU_OPTION_kernel:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3241 &error_abort);
3242 break;
3243 case QEMU_OPTION_initrd:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3245 &error_abort);
3246 break;
3247 case QEMU_OPTION_append:
3248 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3249 &error_abort);
3250 break;
3251 case QEMU_OPTION_dtb:
3252 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3253 &error_abort);
3254 break;
3255 case QEMU_OPTION_cdrom:
3256 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3257 break;
3258 case QEMU_OPTION_boot:
3259 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3260 optarg, true);
3261 if (!opts) {
3262 exit(1);
3263 }
3264 break;
3265 case QEMU_OPTION_fda:
3266 case QEMU_OPTION_fdb:
3267 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3268 optarg, FD_OPTS);
3269 break;
3270 case QEMU_OPTION_no_fd_bootchk:
3271 fd_bootchk = 0;
3272 break;
3273 case QEMU_OPTION_netdev:
3274 default_net = 0;
3275 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3276 exit(1);
3277 }
3278 break;
3279 case QEMU_OPTION_nic:
3280 default_net = 0;
3281 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3282 exit(1);
3283 }
3284 break;
3285 case QEMU_OPTION_net:
3286 default_net = 0;
3287 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3288 exit(1);
3289 }
3290 break;
3291 #ifdef CONFIG_LIBISCSI
3292 case QEMU_OPTION_iscsi:
3293 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3294 optarg, false);
3295 if (!opts) {
3296 exit(1);
3297 }
3298 break;
3299 #endif
3300 case QEMU_OPTION_bt:
3301 warn_report("The bluetooth subsystem is deprecated and will "
3302 "be removed soon. If the bluetooth subsystem is "
3303 "still useful for you, please send a mail to "
3304 "qemu-devel@nongnu.org with your usecase.");
3305 add_device_config(DEV_BT, optarg);
3306 break;
3307 case QEMU_OPTION_audio_help:
3308 audio_legacy_help();
3309 exit (0);
3310 break;
3311 case QEMU_OPTION_audiodev:
3312 audio_parse_option(optarg);
3313 break;
3314 case QEMU_OPTION_soundhw:
3315 select_soundhw (optarg);
3316 break;
3317 case QEMU_OPTION_h:
3318 help(0);
3319 break;
3320 case QEMU_OPTION_version:
3321 version();
3322 exit(0);
3323 break;
3324 case QEMU_OPTION_m:
3325 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3326 optarg, true);
3327 if (!opts) {
3328 exit(EXIT_FAILURE);
3329 }
3330 break;
3331 #ifdef CONFIG_TPM
3332 case QEMU_OPTION_tpmdev:
3333 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3334 exit(1);
3335 }
3336 break;
3337 #endif
3338 case QEMU_OPTION_mempath:
3339 mem_path = optarg;
3340 break;
3341 case QEMU_OPTION_mem_prealloc:
3342 mem_prealloc = 1;
3343 break;
3344 case QEMU_OPTION_d:
3345 log_mask = optarg;
3346 break;
3347 case QEMU_OPTION_D:
3348 log_file = optarg;
3349 break;
3350 case QEMU_OPTION_DFILTER:
3351 qemu_set_dfilter_ranges(optarg, &error_fatal);
3352 break;
3353 case QEMU_OPTION_seed:
3354 qemu_guest_random_seed_main(optarg, &error_fatal);
3355 break;
3356 case QEMU_OPTION_s:
3357 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3358 break;
3359 case QEMU_OPTION_gdb:
3360 add_device_config(DEV_GDB, optarg);
3361 break;
3362 case QEMU_OPTION_L:
3363 if (is_help_option(optarg)) {
3364 list_data_dirs = true;
3365 } else {
3366 qemu_add_data_dir(optarg);
3367 }
3368 break;
3369 case QEMU_OPTION_bios:
3370 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3371 &error_abort);
3372 break;
3373 case QEMU_OPTION_singlestep:
3374 singlestep = 1;
3375 break;
3376 case QEMU_OPTION_S:
3377 autostart = 0;
3378 break;
3379 case QEMU_OPTION_k:
3380 keyboard_layout = optarg;
3381 break;
3382 case QEMU_OPTION_vga:
3383 vga_model = optarg;
3384 default_vga = 0;
3385 break;
3386 case QEMU_OPTION_g:
3387 {
3388 const char *p;
3389 int w, h, depth;
3390 p = optarg;
3391 w = strtol(p, (char **)&p, 10);
3392 if (w <= 0) {
3393 graphic_error:
3394 error_report("invalid resolution or depth");
3395 exit(1);
3396 }
3397 if (*p != 'x')
3398 goto graphic_error;
3399 p++;
3400 h = strtol(p, (char **)&p, 10);
3401 if (h <= 0)
3402 goto graphic_error;
3403 if (*p == 'x') {
3404 p++;
3405 depth = strtol(p, (char **)&p, 10);
3406 if (depth != 8 && depth != 15 && depth != 16 &&
3407 depth != 24 && depth != 32)
3408 goto graphic_error;
3409 } else if (*p == '\0') {
3410 depth = graphic_depth;
3411 } else {
3412 goto graphic_error;
3413 }
3414
3415 graphic_width = w;
3416 graphic_height = h;
3417 graphic_depth = depth;
3418 }
3419 break;
3420 case QEMU_OPTION_echr:
3421 {
3422 char *r;
3423 term_escape_char = strtol(optarg, &r, 0);
3424 if (r == optarg)
3425 printf("Bad argument to echr\n");
3426 break;
3427 }
3428 case QEMU_OPTION_monitor:
3429 default_monitor = 0;
3430 if (strncmp(optarg, "none", 4)) {
3431 monitor_parse(optarg, "readline", false);
3432 }
3433 break;
3434 case QEMU_OPTION_qmp:
3435 monitor_parse(optarg, "control", false);
3436 default_monitor = 0;
3437 break;
3438 case QEMU_OPTION_qmp_pretty:
3439 monitor_parse(optarg, "control", true);
3440 default_monitor = 0;
3441 break;
3442 case QEMU_OPTION_mon:
3443 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3444 true);
3445 if (!opts) {
3446 exit(1);
3447 }
3448 default_monitor = 0;
3449 break;
3450 case QEMU_OPTION_chardev:
3451 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3452 optarg, true);
3453 if (!opts) {
3454 exit(1);
3455 }
3456 break;
3457 case QEMU_OPTION_fsdev:
3458 olist = qemu_find_opts("fsdev");
3459 if (!olist) {
3460 error_report("fsdev support is disabled");
3461 exit(1);
3462 }
3463 opts = qemu_opts_parse_noisily(olist, optarg, true);
3464 if (!opts) {
3465 exit(1);
3466 }
3467 break;
3468 case QEMU_OPTION_virtfs: {
3469 QemuOpts *fsdev;
3470 QemuOpts *device;
3471 const char *writeout, *sock_fd, *socket, *path, *security_model;
3472
3473 olist = qemu_find_opts("virtfs");
3474 if (!olist) {
3475 error_report("virtfs support is disabled");
3476 exit(1);
3477 }
3478 opts = qemu_opts_parse_noisily(olist, optarg, true);
3479 if (!opts) {
3480 exit(1);
3481 }
3482
3483 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3484 qemu_opt_get(opts, "mount_tag") == NULL) {
3485 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3486 exit(1);
3487 }
3488 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3489 qemu_opts_id(opts) ?:
3490 qemu_opt_get(opts, "mount_tag"),
3491 1, NULL);
3492 if (!fsdev) {
3493 error_report("duplicate or invalid fsdev id: %s",
3494 qemu_opt_get(opts, "mount_tag"));
3495 exit(1);
3496 }
3497
3498 writeout = qemu_opt_get(opts, "writeout");
3499 if (writeout) {
3500 #ifdef CONFIG_SYNC_FILE_RANGE
3501 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3502 #else
3503 error_report("writeout=immediate not supported "
3504 "on this platform");
3505 exit(1);
3506 #endif
3507 }
3508 qemu_opt_set(fsdev, "fsdriver",
3509 qemu_opt_get(opts, "fsdriver"), &error_abort);
3510 path = qemu_opt_get(opts, "path");
3511 if (path) {
3512 qemu_opt_set(fsdev, "path", path, &error_abort);
3513 }
3514 security_model = qemu_opt_get(opts, "security_model");
3515 if (security_model) {
3516 qemu_opt_set(fsdev, "security_model", security_model,
3517 &error_abort);
3518 }
3519 socket = qemu_opt_get(opts, "socket");
3520 if (socket) {
3521 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3522 }
3523 sock_fd = qemu_opt_get(opts, "sock_fd");
3524 if (sock_fd) {
3525 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3526 }
3527
3528 qemu_opt_set_bool(fsdev, "readonly",
3529 qemu_opt_get_bool(opts, "readonly", 0),
3530 &error_abort);
3531 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3532 &error_abort);
3533 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3534 qemu_opt_set(device, "fsdev",
3535 qemu_opts_id(fsdev), &error_abort);
3536 qemu_opt_set(device, "mount_tag",
3537 qemu_opt_get(opts, "mount_tag"), &error_abort);
3538 break;
3539 }
3540 case QEMU_OPTION_virtfs_synth: {
3541 QemuOpts *fsdev;
3542 QemuOpts *device;
3543
3544 warn_report("'-virtfs_synth' is deprecated, please use "
3545 "'-fsdev synth' and '-device virtio-9p-...' "
3546 "instead");
3547
3548 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3549 1, NULL);
3550 if (!fsdev) {
3551 error_report("duplicate option: %s", "virtfs_synth");
3552 exit(1);
3553 }
3554 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3555
3556 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3557 &error_abort);
3558 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3559 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3560 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3561 break;
3562 }
3563 case QEMU_OPTION_serial:
3564 add_device_config(DEV_SERIAL, optarg);
3565 default_serial = 0;
3566 if (strncmp(optarg, "mon:", 4) == 0) {
3567 default_monitor = 0;
3568 }
3569 break;
3570 case QEMU_OPTION_watchdog:
3571 if (watchdog) {
3572 error_report("only one watchdog option may be given");
3573 return 1;
3574 }
3575 watchdog = optarg;
3576 break;
3577 case QEMU_OPTION_watchdog_action:
3578 if (select_watchdog_action(optarg) == -1) {
3579 error_report("unknown -watchdog-action parameter");
3580 exit(1);
3581 }
3582 break;
3583 case QEMU_OPTION_parallel:
3584 add_device_config(DEV_PARALLEL, optarg);
3585 default_parallel = 0;
3586 if (strncmp(optarg, "mon:", 4) == 0) {
3587 default_monitor = 0;
3588 }
3589 break;
3590 case QEMU_OPTION_debugcon:
3591 add_device_config(DEV_DEBUGCON, optarg);
3592 break;
3593 case QEMU_OPTION_loadvm:
3594 loadvm = optarg;
3595 break;
3596 case QEMU_OPTION_full_screen:
3597 dpy.has_full_screen = true;
3598 dpy.full_screen = true;
3599 break;
3600 case QEMU_OPTION_alt_grab:
3601 alt_grab = 1;
3602 break;
3603 case QEMU_OPTION_ctrl_grab:
3604 ctrl_grab = 1;
3605 break;
3606 case QEMU_OPTION_no_quit:
3607 dpy.has_window_close = true;
3608 dpy.window_close = false;
3609 break;
3610 case QEMU_OPTION_sdl:
3611 #ifdef CONFIG_SDL
3612 dpy.type = DISPLAY_TYPE_SDL;
3613 break;
3614 #else
3615 error_report("SDL support is disabled");
3616 exit(1);
3617 #endif
3618 case QEMU_OPTION_pidfile:
3619 pid_file = optarg;
3620 break;
3621 case QEMU_OPTION_win2k_hack:
3622 win2k_install_hack = 1;
3623 break;
3624 case QEMU_OPTION_acpitable:
3625 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3626 optarg, true);
3627 if (!opts) {
3628 exit(1);
3629 }
3630 acpi_table_add(opts, &error_fatal);
3631 break;
3632 case QEMU_OPTION_smbios:
3633 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3634 optarg, false);
3635 if (!opts) {
3636 exit(1);
3637 }
3638 smbios_entry_add(opts, &error_fatal);
3639 break;
3640 case QEMU_OPTION_fwcfg:
3641 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3642 optarg, true);
3643 if (opts == NULL) {
3644 exit(1);
3645 }
3646 break;
3647 case QEMU_OPTION_preconfig:
3648 preconfig_exit_requested = false;
3649 break;
3650 case QEMU_OPTION_enable_kvm:
3651 olist = qemu_find_opts("machine");
3652 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3653 break;
3654 case QEMU_OPTION_M:
3655 case QEMU_OPTION_machine:
3656 olist = qemu_find_opts("machine");
3657 opts = qemu_opts_parse_noisily(olist, optarg, true);
3658 if (!opts) {
3659 exit(1);
3660 }
3661 break;
3662 case QEMU_OPTION_no_kvm:
3663 olist = qemu_find_opts("machine");
3664 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3665 break;
3666 case QEMU_OPTION_accel:
3667 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3668 optarg, true);
3669 optarg = qemu_opt_get(accel_opts, "accel");
3670 if (!optarg || is_help_option(optarg)) {
3671 printf("Possible accelerators: kvm, xen, hax, tcg\n");
3672 exit(0);
3673 }
3674 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3675 false, &error_abort);
3676 qemu_opt_set(opts, "accel", optarg, &error_abort);
3677 break;
3678 case QEMU_OPTION_usb:
3679 olist = qemu_find_opts("machine");
3680 qemu_opts_parse_noisily(olist, "usb=on", false);
3681 break;
3682 case QEMU_OPTION_usbdevice:
3683 error_report("'-usbdevice' is deprecated, please use "
3684 "'-device usb-...' instead");
3685 olist = qemu_find_opts("machine");
3686 qemu_opts_parse_noisily(olist, "usb=on", false);
3687 add_device_config(DEV_USB, optarg);
3688 break;
3689 case QEMU_OPTION_device:
3690 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3691 optarg, true)) {
3692 exit(1);
3693 }
3694 break;
3695 case QEMU_OPTION_smp:
3696 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3697 optarg, true)) {
3698 exit(1);
3699 }
3700 break;
3701 case QEMU_OPTION_vnc:
3702 vnc_parse(optarg, &error_fatal);
3703 break;
3704 case QEMU_OPTION_no_acpi:
3705 acpi_enabled = 0;
3706 break;
3707 case QEMU_OPTION_no_hpet:
3708 no_hpet = 1;
3709 break;
3710 case QEMU_OPTION_no_reboot:
3711 no_reboot = 1;
3712 break;
3713 case QEMU_OPTION_no_shutdown:
3714 no_shutdown = 1;
3715 break;
3716 case QEMU_OPTION_show_cursor:
3717 cursor_hide = 0;
3718 break;
3719 case QEMU_OPTION_uuid:
3720 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3721 error_report("failed to parse UUID string: wrong format");
3722 exit(1);
3723 }
3724 qemu_uuid_set = true;
3725 break;
3726 case QEMU_OPTION_option_rom:
3727 if (nb_option_roms >= MAX_OPTION_ROMS) {
3728 error_report("too many option ROMs");
3729 exit(1);
3730 }
3731 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3732 optarg, true);
3733 if (!opts) {
3734 exit(1);
3735 }
3736 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3737 option_rom[nb_option_roms].bootindex =
3738 qemu_opt_get_number(opts, "bootindex", -1);
3739 if (!option_rom[nb_option_roms].name) {
3740 error_report("Option ROM file is not specified");
3741 exit(1);
3742 }
3743 nb_option_roms++;
3744 break;
3745 case QEMU_OPTION_semihosting:
3746 semihosting.enabled = true;
3747 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3748 break;
3749 case QEMU_OPTION_semihosting_config:
3750 semihosting.enabled = true;
3751 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3752 optarg, false);
3753 if (opts != NULL) {
3754 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3755 true);
3756 const char *target = qemu_opt_get(opts, "target");
3757 if (target != NULL) {
3758 if (strcmp("native", target) == 0) {
3759 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3760 } else if (strcmp("gdb", target) == 0) {
3761 semihosting.target = SEMIHOSTING_TARGET_GDB;
3762 } else if (strcmp("auto", target) == 0) {
3763 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3764 } else {
3765 error_report("unsupported semihosting-config %s",
3766 optarg);
3767 exit(1);
3768 }
3769 } else {
3770 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3771 }
3772 /* Set semihosting argument count and vector */
3773 qemu_opt_foreach(opts, add_semihosting_arg,
3774 &semihosting, NULL);
3775 } else {
3776 error_report("unsupported semihosting-config %s", optarg);
3777 exit(1);
3778 }
3779 break;
3780 case QEMU_OPTION_name:
3781 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3782 optarg, true);
3783 if (!opts) {
3784 exit(1);
3785 }
3786 break;
3787 case QEMU_OPTION_prom_env:
3788 if (nb_prom_envs >= MAX_PROM_ENVS) {
3789 error_report("too many prom variables");
3790 exit(1);
3791 }
3792 prom_envs[nb_prom_envs] = optarg;
3793 nb_prom_envs++;
3794 break;
3795 case QEMU_OPTION_old_param:
3796 old_param = 1;
3797 break;
3798 case QEMU_OPTION_rtc:
3799 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3800 false);
3801 if (!opts) {
3802 exit(1);
3803 }
3804 break;
3805 case QEMU_OPTION_tb_size:
3806 #ifndef CONFIG_TCG
3807 error_report("TCG is disabled");
3808 exit(1);
3809 #endif
3810 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3811 error_report("Invalid argument to -tb-size");
3812 exit(1);
3813 }
3814 break;
3815 case QEMU_OPTION_icount:
3816 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3817 optarg, true);
3818 if (!icount_opts) {
3819 exit(1);
3820 }
3821 break;
3822 case QEMU_OPTION_incoming:
3823 if (!incoming) {
3824 runstate_set(RUN_STATE_INMIGRATE);
3825 }
3826 incoming = optarg;
3827 break;
3828 case QEMU_OPTION_only_migratable:
3829 only_migratable = 1;
3830 break;
3831 case QEMU_OPTION_nodefaults:
3832 has_defaults = 0;
3833 break;
3834 case QEMU_OPTION_xen_domid:
3835 if (!(xen_available())) {
3836 error_report("Option not supported for this target");
3837 exit(1);
3838 }
3839 xen_domid = atoi(optarg);
3840 break;
3841 case QEMU_OPTION_xen_attach:
3842 if (!(xen_available())) {
3843 error_report("Option not supported for this target");
3844 exit(1);
3845 }
3846 xen_mode = XEN_ATTACH;
3847 break;
3848 case QEMU_OPTION_xen_domid_restrict:
3849 if (!(xen_available())) {
3850 error_report("Option not supported for this target");
3851 exit(1);
3852 }
3853 xen_domid_restrict = true;
3854 break;
3855 case QEMU_OPTION_trace:
3856 g_free(trace_file);
3857 trace_file = trace_opt_parse(optarg);
3858 break;
3859 case QEMU_OPTION_readconfig:
3860 {
3861 int ret = qemu_read_config_file(optarg);
3862 if (ret < 0) {
3863 error_report("read config %s: %s", optarg,
3864 strerror(-ret));
3865 exit(1);
3866 }
3867 break;
3868 }
3869 case QEMU_OPTION_spice:
3870 olist = qemu_find_opts("spice");
3871 if (!olist) {
3872 error_report("spice support is disabled");
3873 exit(1);
3874 }
3875 opts = qemu_opts_parse_noisily(olist, optarg, false);
3876 if (!opts) {
3877 exit(1);
3878 }
3879 display_remote++;
3880 break;
3881 case QEMU_OPTION_writeconfig:
3882 {
3883 FILE *fp;
3884 if (strcmp(optarg, "-") == 0) {
3885 fp = stdout;
3886 } else {
3887 fp = fopen(optarg, "w");
3888 if (fp == NULL) {
3889 error_report("open %s: %s", optarg,
3890 strerror(errno));
3891 exit(1);
3892 }
3893 }
3894 qemu_config_write(fp);
3895 if (fp != stdout) {
3896 fclose(fp);
3897 }
3898 break;
3899 }
3900 case QEMU_OPTION_qtest:
3901 qtest_chrdev = optarg;
3902 break;
3903 case QEMU_OPTION_qtest_log:
3904 qtest_log = optarg;
3905 break;
3906 case QEMU_OPTION_sandbox:
3907 olist = qemu_find_opts("sandbox");
3908 if (!olist) {
3909 #ifndef CONFIG_SECCOMP
3910 error_report("-sandbox support is not enabled "
3911 "in this QEMU binary");
3912 #endif
3913 exit(1);
3914 }
3915
3916 opts = qemu_opts_parse_noisily(olist, optarg, true);
3917 if (!opts) {
3918 exit(1);
3919 }
3920 break;
3921 case QEMU_OPTION_add_fd:
3922 #ifndef _WIN32
3923 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3924 optarg, false);
3925 if (!opts) {
3926 exit(1);
3927 }
3928 #else
3929 error_report("File descriptor passing is disabled on this "
3930 "platform");
3931 exit(1);
3932 #endif
3933 break;
3934 case QEMU_OPTION_object:
3935 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3936 optarg, true);
3937 if (!opts) {
3938 exit(1);
3939 }
3940 break;
3941 case QEMU_OPTION_realtime:
3942 warn_report("'-realtime mlock=...' is deprecated, please use "
3943 "'-overcommit mem-lock=...' instead");
3944 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3945 optarg, false);
3946 if (!opts) {
3947 exit(1);
3948 }
3949 /* Don't override the -overcommit option if set */
3950 enable_mlock = enable_mlock ||
3951 qemu_opt_get_bool(opts, "mlock", true);
3952 break;
3953 case QEMU_OPTION_overcommit:
3954 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3955 optarg, false);
3956 if (!opts) {
3957 exit(1);
3958 }
3959 /* Don't override the -realtime option if set */
3960 enable_mlock = enable_mlock ||
3961 qemu_opt_get_bool(opts, "mem-lock", false);
3962 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3963 break;
3964 case QEMU_OPTION_msg:
3965 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3966 false);
3967 if (!opts) {
3968 exit(1);
3969 }
3970 configure_msg(opts);
3971 break;
3972 case QEMU_OPTION_dump_vmstate:
3973 if (vmstate_dump_file) {
3974 error_report("only one '-dump-vmstate' "
3975 "option may be given");
3976 exit(1);
3977 }
3978 vmstate_dump_file = fopen(optarg, "w");
3979 if (vmstate_dump_file == NULL) {
3980 error_report("open %s: %s", optarg, strerror(errno));
3981 exit(1);
3982 }
3983 break;
3984 case QEMU_OPTION_enable_sync_profile:
3985 qsp_enable();
3986 break;
3987 case QEMU_OPTION_nouserconfig:
3988 /* Nothing to be parsed here. Especially, do not error out below. */
3989 break;
3990 default:
3991 if (os_parse_cmd_args(popt->index, optarg)) {
3992 error_report("Option not supported in this build");
3993 exit(1);
3994 }
3995 }
3996 }
3997 }
3998 /*
3999 * Clear error location left behind by the loop.
4000 * Best done right after the loop. Do not insert code here!
4001 */
4002 loc_set_none();
4003
4004 user_register_global_props();
4005
4006 replay_configure(icount_opts);
4007
4008 if (incoming && !preconfig_exit_requested) {
4009 error_report("'preconfig' and 'incoming' options are "
4010 "mutually exclusive");
4011 exit(EXIT_FAILURE);
4012 }
4013
4014 configure_rtc(qemu_find_opts_singleton("rtc"));
4015
4016 machine_class = select_machine();
4017 object_set_machine_compat_props(machine_class->compat_props);
4018
4019 set_memory_options(&ram_slots, &maxram_size, machine_class);
4020
4021 os_daemonize();
4022 rcu_disable_atfork();
4023
4024 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4025 error_reportf_err(err, "cannot create PID file: ");
4026 exit(1);
4027 }
4028
4029 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4030 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4031
4032 if (qemu_init_main_loop(&main_loop_err)) {
4033 error_report_err(main_loop_err);
4034 exit(1);
4035 }
4036
4037 #ifdef CONFIG_SECCOMP
4038 olist = qemu_find_opts_err("sandbox", NULL);
4039 if (olist) {
4040 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4041 }
4042 #endif
4043
4044 qemu_opts_foreach(qemu_find_opts("name"),
4045 parse_name, NULL, &error_fatal);
4046
4047 #ifndef _WIN32
4048 qemu_opts_foreach(qemu_find_opts("add-fd"),
4049 parse_add_fd, NULL, &error_fatal);
4050
4051 qemu_opts_foreach(qemu_find_opts("add-fd"),
4052 cleanup_add_fd, NULL, &error_fatal);
4053 #endif
4054
4055 current_machine = MACHINE(object_new(object_class_get_name(
4056 OBJECT_CLASS(machine_class))));
4057 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4058 exit(0);
4059 }
4060 object_property_add_child(object_get_root(), "machine",
4061 OBJECT(current_machine), &error_abort);
4062 object_property_add_child(container_get(OBJECT(current_machine),
4063 "/unattached"),
4064 "sysbus", OBJECT(sysbus_get_default()),
4065 NULL);
4066
4067 if (machine_class->minimum_page_bits) {
4068 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4069 /* This would be a board error: specifying a minimum smaller than
4070 * a target's compile-time fixed setting.
4071 */
4072 g_assert_not_reached();
4073 }
4074 }
4075
4076 cpu_exec_init_all();
4077
4078 if (machine_class->hw_version) {
4079 qemu_set_hw_version(machine_class->hw_version);
4080 }
4081
4082 if (cpu_option && is_help_option(cpu_option)) {
4083 list_cpus(cpu_option);
4084 exit(0);
4085 }
4086
4087 if (!trace_init_backends()) {
4088 exit(1);
4089 }
4090 trace_init_file(trace_file);
4091
4092 /* Open the logfile at this point and set the log mask if necessary.
4093 */
4094 if (log_file) {
4095 qemu_set_log_filename(log_file, &error_fatal);
4096 }
4097
4098 if (log_mask) {
4099 int mask;
4100 mask = qemu_str_to_log_mask(log_mask);
4101 if (!mask) {
4102 qemu_print_log_usage(stdout);
4103 exit(1);
4104 }
4105 qemu_set_log(mask);
4106 } else {
4107 qemu_set_log(0);
4108 }
4109
4110 /* add configured firmware directories */
4111 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4112 for (i = 0; dirs[i] != NULL; i++) {
4113 qemu_add_data_dir(dirs[i]);
4114 }
4115 g_strfreev(dirs);
4116
4117 /* try to find datadir relative to the executable path */
4118 dir = os_find_datadir();
4119 qemu_add_data_dir(dir);
4120 g_free(dir);
4121
4122 /* add the datadir specified when building */
4123 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4124
4125 /* -L help lists the data directories and exits. */
4126 if (list_data_dirs) {
4127 for (i = 0; i < data_dir_idx; i++) {
4128 printf("%s\n", data_dir[i]);
4129 }
4130 exit(0);
4131 }
4132
4133 /* machine_class: default to UP */
4134 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4135 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4136 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4137
4138 /* default to machine_class->default_cpus */
4139 smp_cpus = machine_class->default_cpus;
4140 max_cpus = machine_class->default_cpus;
4141
4142 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4143
4144 /* sanity-check smp_cpus and max_cpus against machine_class */
4145 if (smp_cpus < machine_class->min_cpus) {
4146 error_report("Invalid SMP CPUs %d. The min CPUs "
4147 "supported by machine '%s' is %d", smp_cpus,
4148 machine_class->name, machine_class->min_cpus);
4149 exit(1);
4150 }
4151 if (max_cpus > machine_class->max_cpus) {
4152 error_report("Invalid SMP CPUs %d. The max CPUs "
4153 "supported by machine '%s' is %d", max_cpus,
4154 machine_class->name, machine_class->max_cpus);
4155 exit(1);
4156 }
4157
4158 /*
4159 * Get the default machine options from the machine if it is not already
4160 * specified either by the configuration file or by the command line.
4161 */
4162 if (machine_class->default_machine_opts) {
4163 qemu_opts_set_defaults(qemu_find_opts("machine"),
4164 machine_class->default_machine_opts, 0);
4165 }
4166
4167 qemu_opts_foreach(qemu_find_opts("device"),
4168 default_driver_check, NULL, NULL);
4169 qemu_opts_foreach(qemu_find_opts("global"),
4170 default_driver_check, NULL, NULL);
4171
4172 if (!vga_model && !default_vga) {
4173 vga_interface_type = VGA_DEVICE;
4174 }
4175 if (!has_defaults || machine_class->no_serial) {
4176 default_serial = 0;
4177 }
4178 if (!has_defaults || machine_class->no_parallel) {
4179 default_parallel = 0;
4180 }
4181 if (!has_defaults || machine_class->no_floppy) {
4182 default_floppy = 0;
4183 }
4184 if (!has_defaults || machine_class->no_cdrom) {
4185 default_cdrom = 0;
4186 }
4187 if (!has_defaults || machine_class->no_sdcard) {
4188 default_sdcard = 0;
4189 }
4190 if (!has_defaults) {
4191 default_monitor = 0;
4192 default_net = 0;
4193 default_vga = 0;
4194 }
4195
4196 if (is_daemonized()) {
4197 if (!preconfig_exit_requested) {
4198 error_report("'preconfig' and 'daemonize' options are "
4199 "mutually exclusive");
4200 exit(EXIT_FAILURE);
4201 }
4202
4203 /* According to documentation and historically, -nographic redirects
4204 * serial port, parallel port and monitor to stdio, which does not work
4205 * with -daemonize. We can redirect these to null instead, but since
4206 * -nographic is legacy, let's just error out.
4207 * We disallow -nographic only if all other ports are not redirected
4208 * explicitly, to not break existing legacy setups which uses
4209 * -nographic _and_ redirects all ports explicitly - this is valid
4210 * usage, -nographic is just a no-op in this case.
4211 */
4212 if (nographic
4213 && (default_parallel || default_serial || default_monitor)) {
4214 error_report("-nographic cannot be used with -daemonize");
4215 exit(1);
4216 }
4217 #ifdef CONFIG_CURSES
4218 if (dpy.type == DISPLAY_TYPE_CURSES) {
4219 error_report("curses display cannot be used with -daemonize");
4220 exit(1);
4221 }
4222 #endif
4223 }
4224
4225 if (nographic) {
4226 if (default_parallel)
4227 add_device_config(DEV_PARALLEL, "null");
4228 if (default_serial && default_monitor) {
4229 add_device_config(DEV_SERIAL, "mon:stdio");
4230 } else {
4231 if (default_serial)
4232 add_device_config(DEV_SERIAL, "stdio");
4233 if (default_monitor)
4234 monitor_parse("stdio", "readline", false);
4235 }
4236 } else {
4237 if (default_serial)
4238 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4239 if (default_parallel)
4240 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4241 if (default_monitor)
4242 monitor_parse("vc:80Cx24C", "readline", false);
4243 }
4244
4245 #if defined(CONFIG_VNC)
4246 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4247 display_remote++;
4248 }
4249 #endif
4250 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4251 if (!qemu_display_find_default(&dpy)) {
4252 dpy.type = DISPLAY_TYPE_NONE;
4253 #if defined(CONFIG_VNC)
4254 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4255 #endif
4256 }
4257 }
4258 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4259 dpy.type = DISPLAY_TYPE_NONE;
4260 }
4261
4262 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4263 error_report("-alt-grab and -ctrl-grab are only valid "
4264 "for SDL, ignoring option");
4265 }
4266 if (dpy.has_window_close &&
4267 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4268 error_report("-no-quit is only valid for GTK and SDL, "
4269 "ignoring option");
4270 }
4271
4272 qemu_display_early_init(&dpy);
4273 qemu_console_early_init();
4274
4275 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4276 #if defined(CONFIG_OPENGL)
4277 error_report("OpenGL is not supported by the display");
4278 #else
4279 error_report("OpenGL support is disabled");
4280 #endif
4281 exit(1);
4282 }
4283
4284 page_size_init();
4285 socket_init();
4286
4287 qemu_opts_foreach(qemu_find_opts("object"),
4288 user_creatable_add_opts_foreach,
4289 object_create_initial, &error_fatal);
4290
4291 qemu_opts_foreach(qemu_find_opts("chardev"),
4292 chardev_init_func, NULL, &error_fatal);
4293
4294 #ifdef CONFIG_VIRTFS
4295 qemu_opts_foreach(qemu_find_opts("fsdev"),
4296 fsdev_init_func, NULL, &error_fatal);
4297 #endif
4298
4299 if (qemu_opts_foreach(qemu_find_opts("device"),
4300 device_help_func, NULL, NULL)) {
4301 exit(0);
4302 }
4303
4304 /*
4305 * Note: we need to create block backends before
4306 * machine_set_property(), so machine properties can refer to
4307 * them.
4308 */
4309 configure_blockdev(&bdo_queue, machine_class, snapshot);
4310
4311 machine_opts = qemu_get_machine_opts();
4312 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4313 &error_fatal);
4314 current_machine->ram_size = ram_size;
4315 current_machine->maxram_size = maxram_size;
4316 current_machine->ram_slots = ram_slots;
4317
4318 /*
4319 * Note: uses machine properties such as kernel-irqchip, must run
4320 * after machine_set_property().
4321 */
4322 configure_accelerator(current_machine, argv[0]);
4323
4324 /*
4325 * Beware, QOM objects created before this point miss global and
4326 * compat properties.
4327 *
4328 * Global properties get set up by qdev_prop_register_global(),
4329 * called from user_register_global_props(), and certain option
4330 * desugaring. Also in CPU feature desugaring (buried in
4331 * parse_cpu_option()), which happens below this point, but may
4332 * only target the CPU type, which can only be created after
4333 * parse_cpu_option() returned the type.
4334 *
4335 * Machine compat properties: object_set_machine_compat_props().
4336 * Accelerator compat props: object_set_accelerator_compat_props(),
4337 * called from configure_accelerator().
4338 */
4339
4340 if (!qtest_enabled() && machine_class->deprecation_reason) {
4341 error_report("Machine type '%s' is deprecated: %s",
4342 machine_class->name, machine_class->deprecation_reason);
4343 }
4344
4345 /*
4346 * Note: creates a QOM object, must run only after global and
4347 * compat properties have been set up.
4348 */
4349 migration_object_init();
4350
4351 if (qtest_chrdev) {
4352 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4353 }
4354
4355 machine_opts = qemu_get_machine_opts();
4356 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4357 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4358 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4359 bios_name = qemu_opt_get(machine_opts, "firmware");
4360
4361 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4362 if (opts) {
4363 boot_order = qemu_opt_get(opts, "order");
4364 if (boot_order) {
4365 validate_bootdevices(boot_order, &error_fatal);
4366 }
4367
4368 boot_once = qemu_opt_get(opts, "once");
4369 if (boot_once) {
4370 validate_bootdevices(boot_once, &error_fatal);
4371 }
4372
4373 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4374 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4375 }
4376
4377 if (!boot_order) {
4378 boot_order = machine_class->default_boot_order;
4379 }
4380
4381 if (!kernel_cmdline) {
4382 kernel_cmdline = "";
4383 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4384 }
4385
4386 linux_boot = (kernel_filename != NULL);
4387
4388 if (!linux_boot && *kernel_cmdline != '\0') {
4389 error_report("-append only allowed with -kernel option");
4390 exit(1);
4391 }
4392
4393 if (!linux_boot && initrd_filename != NULL) {
4394 error_report("-initrd only allowed with -kernel option");
4395 exit(1);
4396 }
4397
4398 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4399 /* fall back to the -kernel/-append */
4400 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4401 }
4402
4403 os_set_line_buffering();
4404
4405 /* spice needs the timers to be initialized by this point */
4406 qemu_spice_init();
4407
4408 cpu_ticks_init();
4409 if (icount_opts) {
4410 if (!tcg_enabled()) {
4411 error_report("-icount is not allowed with hardware virtualization");
4412 exit(1);
4413 }
4414 configure_icount(icount_opts, &error_abort);
4415 qemu_opts_del(icount_opts);
4416 }
4417
4418 if (tcg_enabled()) {
4419 qemu_tcg_configure(accel_opts, &error_fatal);
4420 }
4421
4422 if (default_net) {
4423 QemuOptsList *net = qemu_find_opts("net");
4424 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4425 #ifdef CONFIG_SLIRP
4426 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4427 #endif
4428 }
4429
4430 if (net_init_clients(&err) < 0) {
4431 error_report_err(err);
4432 exit(1);
4433 }
4434
4435 qemu_opts_foreach(qemu_find_opts("object"),
4436 user_creatable_add_opts_foreach,
4437 object_create_delayed, &error_fatal);
4438
4439 tpm_init();
4440
4441 /* init the bluetooth world */
4442 if (foreach_device_config(DEV_BT, bt_parse))
4443 exit(1);
4444
4445 if (!xen_enabled()) {
4446 /* On 32-bit hosts, QEMU is limited by virtual address space */
4447 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4448 error_report("at most 2047 MB RAM can be simulated");
4449 exit(1);
4450 }
4451 }
4452
4453 blk_mig_init();
4454 ram_mig_init();
4455 dirty_bitmap_mig_init();
4456
4457 qemu_opts_foreach(qemu_find_opts("mon"),
4458 mon_init_func, NULL, &error_fatal);
4459
4460 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4461 exit(1);
4462 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4463 exit(1);
4464 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4465 exit(1);
4466
4467 /* If no default VGA is requested, the default is "none". */
4468 if (default_vga) {
4469 vga_model = get_default_vga_model(machine_class);
4470 }
4471 if (vga_model) {
4472 select_vgahw(machine_class, vga_model);
4473 }
4474
4475 if (watchdog) {
4476 i = select_watchdog(watchdog);
4477 if (i > 0)
4478 exit (i == 1 ? 1 : 0);
4479 }
4480
4481 /* This checkpoint is required by replay to separate prior clock
4482 reading from the other reads, because timer polling functions query
4483 clock values from the log. */
4484 replay_checkpoint(CHECKPOINT_INIT);
4485 qdev_machine_init();
4486
4487 current_machine->boot_order = boot_order;
4488
4489 /* parse features once if machine provides default cpu_type */
4490 current_machine->cpu_type = machine_class->default_cpu_type;
4491 if (cpu_option) {
4492 current_machine->cpu_type = parse_cpu_option(cpu_option);
4493 }
4494 parse_numa_opts(current_machine);
4495
4496 /* do monitor/qmp handling at preconfig state if requested */
4497 main_loop();
4498
4499 audio_init_audiodevs();
4500
4501 /* from here on runstate is RUN_STATE_PRELAUNCH */
4502 machine_run_board_init(current_machine);
4503
4504 realtime_init();
4505
4506 soundhw_init();
4507
4508 if (hax_enabled()) {
4509 hax_sync_vcpus();
4510 }
4511
4512 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4513 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4514
4515 /* init USB devices */
4516 if (machine_usb(current_machine)) {
4517 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4518 exit(1);
4519 }
4520
4521 /* Check if IGD GFX passthrough. */
4522 igd_gfx_passthru();
4523
4524 /* init generic devices */
4525 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4526 qemu_opts_foreach(qemu_find_opts("device"),
4527 device_init_func, NULL, &error_fatal);
4528
4529 cpu_synchronize_all_post_init();
4530
4531 rom_reset_order_override();
4532
4533 /* Did we create any drives that we failed to create a device for? */
4534 drive_check_orphaned();
4535
4536 /* Don't warn about the default network setup that you get if
4537 * no command line -net or -netdev options are specified. There
4538 * are two cases that we would otherwise complain about:
4539 * (1) board doesn't support a NIC but the implicit "-net nic"
4540 * requested one
4541 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4542 * sets up a nic that isn't connected to anything.
4543 */
4544 if (!default_net && (!qtest_enabled() || has_defaults)) {
4545 net_check_clients();
4546 }
4547
4548 if (boot_once) {
4549 qemu_boot_set(boot_once, &error_fatal);
4550 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4551 }
4552
4553 /* init local displays */
4554 ds = init_displaystate();
4555 qemu_display_init(ds, &dpy);
4556
4557 /* must be after terminal init, SDL library changes signal handlers */
4558 os_setup_signal_handling();
4559
4560 /* init remote displays */
4561 #ifdef CONFIG_VNC
4562 qemu_opts_foreach(qemu_find_opts("vnc"),
4563 vnc_init_func, NULL, &error_fatal);
4564 #endif
4565
4566 if (using_spice) {
4567 qemu_spice_display_init();
4568 }
4569
4570 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4571 exit(1);
4572 }
4573
4574 qdev_machine_creation_done();
4575
4576 /* TODO: once all bus devices are qdevified, this should be done
4577 * when bus is created by qdev.c */
4578 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4579 qemu_run_machine_init_done_notifiers();
4580
4581 if (rom_check_and_register_reset() != 0) {
4582 error_report("rom check and register reset failed");
4583 exit(1);
4584 }
4585
4586 replay_start();
4587
4588 /* This checkpoint is required by replay to separate prior clock
4589 reading from the other reads, because timer polling functions query
4590 clock values from the log. */
4591 replay_checkpoint(CHECKPOINT_RESET);
4592 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4593 register_global_state();
4594 if (loadvm) {
4595 Error *local_err = NULL;
4596 if (load_snapshot(loadvm, &local_err) < 0) {
4597 error_report_err(local_err);
4598 autostart = 0;
4599 exit(1);
4600 }
4601 }
4602 if (replay_mode != REPLAY_MODE_NONE) {
4603 replay_vmstate_init();
4604 }
4605
4606 qdev_prop_check_globals();
4607 if (vmstate_dump_file) {
4608 /* dump and exit */
4609 dump_vmstate_json_to_file(vmstate_dump_file);
4610 return 0;
4611 }
4612
4613 if (incoming) {
4614 Error *local_err = NULL;
4615 qemu_start_incoming_migration(incoming, &local_err);
4616 if (local_err) {
4617 error_reportf_err(local_err, "-incoming %s: ", incoming);
4618 exit(1);
4619 }
4620 } else if (autostart) {
4621 vm_start();
4622 }
4623
4624 accel_setup_post(current_machine);
4625 os_setup_post();
4626
4627 main_loop();
4628
4629 gdbserver_cleanup();
4630
4631 /*
4632 * cleaning up the migration object cancels any existing migration
4633 * try to do this early so that it also stops using devices.
4634 */
4635 migration_shutdown();
4636
4637 /* No more vcpu or device emulation activity beyond this point */
4638 vm_shutdown();
4639
4640 job_cancel_sync_all();
4641 bdrv_close_all();
4642
4643 res_free();
4644
4645 /* vhost-user must be cleaned up before chardevs. */
4646 tpm_cleanup();
4647 net_cleanup();
4648 audio_cleanup();
4649 monitor_cleanup();
4650 qemu_chr_cleanup();
4651 user_creatable_cleanup();
4652 /* TODO: unref root container, check all devices are ok */
4653
4654 return 0;
4655 }
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