]> git.proxmox.com Git - mirror_qemu.git/blob - vl.c
projects / mirror_qemu.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
usb: Deprecate the legacy -usbdevice option
[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 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
29
30 #ifdef CONFIG_SECCOMP
31 #include "sysemu/seccomp.h"
32 #endif
33
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
36 #endif
37
38 #ifdef CONFIG_SDL
39 #if defined(__APPLE__) || defined(main)
40 #include <SDL.h>
41 int qemu_main(int argc, char **argv, char **envp);
42 int main(int argc, char **argv)
43 {
44 return qemu_main(argc, argv, NULL);
45 }
46 #undef main
47 #define main qemu_main
48 #endif
49 #endif /* CONFIG_SDL */
50
51 #ifdef CONFIG_COCOA
52 #undef main
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
55
56
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
59 #include "hw/hw.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
62 #include "hw/usb.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
65 #include "hw/scsi/scsi.h"
66 #include "hw/bt.h"
67 #include "sysemu/watchdog.h"
68 #include "hw/smbios/smbios.h"
69 #include "hw/acpi/acpi.h"
70 #include "hw/xen/xen.h"
71 #include "hw/qdev.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
75 #include "net/net.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
79 #include "ui/input.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "qemu/log.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "hw/audio/soundhw.h"
93 #include "audio/audio.h"
94 #include "migration/migration.h"
95 #include "sysemu/cpus.h"
96 #include "migration/colo.h"
97 #include "sysemu/kvm.h"
98 #include "sysemu/hax.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qapi/qobject-input-visitor.h"
101 #include "qapi-visit.h"
102 #include "qapi/qmp/qjson.h"
103 #include "qemu/option.h"
104 #include "qemu/config-file.h"
105 #include "qemu-options.h"
106 #include "qmp-commands.h"
107 #include "qemu/main-loop.h"
108 #ifdef CONFIG_VIRTFS
109 #include "fsdev/qemu-fsdev.h"
110 #endif
111 #include "sysemu/qtest.h"
112
113 #include "disas/disas.h"
114
115
116 #include "slirp/libslirp.h"
117
118 #include "trace-root.h"
119 #include "trace/control.h"
120 #include "qemu/queue.h"
121 #include "sysemu/arch_init.h"
122
123 #include "ui/qemu-spice.h"
124 #include "qapi/string-input-visitor.h"
125 #include "qapi/opts-visitor.h"
126 #include "qom/object_interfaces.h"
127 #include "qapi-event.h"
128 #include "exec/semihost.h"
129 #include "crypto/init.h"
130 #include "sysemu/replay.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
133
134 #define MAX_VIRTIO_CONSOLES 1
135 #define MAX_SCLP_CONSOLES 1
136
137 static const char *data_dir[16];
138 static int data_dir_idx;
139 const char *bios_name = NULL;
140 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
141 int request_opengl = -1;
142 int display_opengl;
143 const char* keyboard_layout = NULL;
144 ram_addr_t ram_size;
145 const char *mem_path = NULL;
146 int mem_prealloc = 0; /* force preallocation of physical target memory */
147 bool enable_mlock = false;
148 int nb_nics;
149 NICInfo nd_table[MAX_NICS];
150 int autostart;
151 static int rtc_utc = 1;
152 static int rtc_date_offset = -1; /* -1 means no change */
153 QEMUClockType rtc_clock;
154 int vga_interface_type = VGA_NONE;
155 static int full_screen = 0;
156 static int no_frame = 0;
157 int no_quit = 0;
158 static bool grab_on_hover;
159 Chardev *serial_hds[MAX_SERIAL_PORTS];
160 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
161 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
162 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
163 int win2k_install_hack = 0;
164 int singlestep = 0;
165 int smp_cpus = 1;
166 int max_cpus = 1;
167 int smp_cores = 1;
168 int smp_threads = 1;
169 int acpi_enabled = 1;
170 int no_hpet = 0;
171 int fd_bootchk = 1;
172 static int no_reboot;
173 int no_shutdown = 0;
174 int cursor_hide = 1;
175 int graphic_rotate = 0;
176 const char *watchdog;
177 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
178 int nb_option_roms;
179 int old_param = 0;
180 const char *qemu_name;
181 int alt_grab = 0;
182 int ctrl_grab = 0;
183 unsigned int nb_prom_envs = 0;
184 const char *prom_envs[MAX_PROM_ENVS];
185 int boot_menu;
186 bool boot_strict;
187 uint8_t *boot_splash_filedata;
188 size_t boot_splash_filedata_size;
189 uint8_t qemu_extra_params_fw[2];
190 int only_migratable; /* turn it off unless user states otherwise */
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_virtcon = 1;
215 static int default_sclp = 1;
216 static int default_monitor = 1;
217 static int default_floppy = 1;
218 static int default_cdrom = 1;
219 static int default_sdcard = 1;
220 static int default_vga = 1;
221 static int default_net = 1;
222
223 static struct {
224 const char *driver;
225 int *flag;
226 } default_list[] = {
227 { .driver = "isa-serial", .flag = &default_serial },
228 { .driver = "isa-parallel", .flag = &default_parallel },
229 { .driver = "isa-fdc", .flag = &default_floppy },
230 { .driver = "floppy", .flag = &default_floppy },
231 { .driver = "ide-cd", .flag = &default_cdrom },
232 { .driver = "ide-hd", .flag = &default_cdrom },
233 { .driver = "ide-drive", .flag = &default_cdrom },
234 { .driver = "scsi-cd", .flag = &default_cdrom },
235 { .driver = "scsi-hd", .flag = &default_cdrom },
236 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
237 { .driver = "virtio-serial", .flag = &default_virtcon },
238 { .driver = "VGA", .flag = &default_vga },
239 { .driver = "isa-vga", .flag = &default_vga },
240 { .driver = "cirrus-vga", .flag = &default_vga },
241 { .driver = "isa-cirrus-vga", .flag = &default_vga },
242 { .driver = "vmware-svga", .flag = &default_vga },
243 { .driver = "qxl-vga", .flag = &default_vga },
244 { .driver = "virtio-vga", .flag = &default_vga },
245 };
246
247 static QemuOptsList qemu_rtc_opts = {
248 .name = "rtc",
249 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
250 .desc = {
251 {
252 .name = "base",
253 .type = QEMU_OPT_STRING,
254 },{
255 .name = "clock",
256 .type = QEMU_OPT_STRING,
257 },{
258 .name = "driftfix",
259 .type = QEMU_OPT_STRING,
260 },
261 { /* end of list */ }
262 },
263 };
264
265 static QemuOptsList qemu_sandbox_opts = {
266 .name = "sandbox",
267 .implied_opt_name = "enable",
268 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
269 .desc = {
270 {
271 .name = "enable",
272 .type = QEMU_OPT_BOOL,
273 },
274 { /* end of list */ }
275 },
276 };
277
278 static QemuOptsList qemu_option_rom_opts = {
279 .name = "option-rom",
280 .implied_opt_name = "romfile",
281 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
282 .desc = {
283 {
284 .name = "bootindex",
285 .type = QEMU_OPT_NUMBER,
286 }, {
287 .name = "romfile",
288 .type = QEMU_OPT_STRING,
289 },
290 { /* end of list */ }
291 },
292 };
293
294 static QemuOptsList qemu_machine_opts = {
295 .name = "machine",
296 .implied_opt_name = "type",
297 .merge_lists = true,
298 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
299 .desc = {
300 /*
301 * no elements => accept any
302 * sanity checking will happen later
303 * when setting machine properties
304 */
305 { }
306 },
307 };
308
309 static QemuOptsList qemu_accel_opts = {
310 .name = "accel",
311 .implied_opt_name = "accel",
312 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
313 .merge_lists = true,
314 .desc = {
315 {
316 .name = "accel",
317 .type = QEMU_OPT_STRING,
318 .help = "Select the type of accelerator",
319 },
320 {
321 .name = "thread",
322 .type = QEMU_OPT_STRING,
323 .help = "Enable/disable multi-threaded TCG",
324 },
325 { /* end of list */ }
326 },
327 };
328
329 static QemuOptsList qemu_boot_opts = {
330 .name = "boot-opts",
331 .implied_opt_name = "order",
332 .merge_lists = true,
333 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
334 .desc = {
335 {
336 .name = "order",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "once",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "menu",
343 .type = QEMU_OPT_BOOL,
344 }, {
345 .name = "splash",
346 .type = QEMU_OPT_STRING,
347 }, {
348 .name = "splash-time",
349 .type = QEMU_OPT_STRING,
350 }, {
351 .name = "reboot-timeout",
352 .type = QEMU_OPT_STRING,
353 }, {
354 .name = "strict",
355 .type = QEMU_OPT_BOOL,
356 },
357 { /*End of list */ }
358 },
359 };
360
361 static QemuOptsList qemu_add_fd_opts = {
362 .name = "add-fd",
363 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
364 .desc = {
365 {
366 .name = "fd",
367 .type = QEMU_OPT_NUMBER,
368 .help = "file descriptor of which a duplicate is added to fd set",
369 },{
370 .name = "set",
371 .type = QEMU_OPT_NUMBER,
372 .help = "ID of the fd set to add fd to",
373 },{
374 .name = "opaque",
375 .type = QEMU_OPT_STRING,
376 .help = "free-form string used to describe fd",
377 },
378 { /* end of list */ }
379 },
380 };
381
382 static QemuOptsList qemu_object_opts = {
383 .name = "object",
384 .implied_opt_name = "qom-type",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
386 .desc = {
387 { }
388 },
389 };
390
391 static QemuOptsList qemu_tpmdev_opts = {
392 .name = "tpmdev",
393 .implied_opt_name = "type",
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
395 .desc = {
396 /* options are defined in the TPM backends */
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_realtime_opts = {
402 .name = "realtime",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
404 .desc = {
405 {
406 .name = "mlock",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_msg_opts = {
414 .name = "msg",
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
416 .desc = {
417 {
418 .name = "timestamp",
419 .type = QEMU_OPT_BOOL,
420 },
421 { /* end of list */ }
422 },
423 };
424
425 static QemuOptsList qemu_name_opts = {
426 .name = "name",
427 .implied_opt_name = "guest",
428 .merge_lists = true,
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
430 .desc = {
431 {
432 .name = "guest",
433 .type = QEMU_OPT_STRING,
434 .help = "Sets the name of the guest.\n"
435 "This name will be displayed in the SDL window caption.\n"
436 "The name will also be used for the VNC server",
437 }, {
438 .name = "process",
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the QEMU process, as shown in top etc",
441 }, {
442 .name = "debug-threads",
443 .type = QEMU_OPT_BOOL,
444 .help = "When enabled, name the individual threads; defaults off.\n"
445 "NOTE: The thread names are for debugging and not a\n"
446 "stable API.",
447 },
448 { /* End of list */ }
449 },
450 };
451
452 static QemuOptsList qemu_mem_opts = {
453 .name = "memory",
454 .implied_opt_name = "size",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
456 .merge_lists = true,
457 .desc = {
458 {
459 .name = "size",
460 .type = QEMU_OPT_SIZE,
461 },
462 {
463 .name = "slots",
464 .type = QEMU_OPT_NUMBER,
465 },
466 {
467 .name = "maxmem",
468 .type = QEMU_OPT_SIZE,
469 },
470 { /* end of list */ }
471 },
472 };
473
474 static QemuOptsList qemu_icount_opts = {
475 .name = "icount",
476 .implied_opt_name = "shift",
477 .merge_lists = true,
478 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
479 .desc = {
480 {
481 .name = "shift",
482 .type = QEMU_OPT_STRING,
483 }, {
484 .name = "align",
485 .type = QEMU_OPT_BOOL,
486 }, {
487 .name = "sleep",
488 .type = QEMU_OPT_BOOL,
489 }, {
490 .name = "rr",
491 .type = QEMU_OPT_STRING,
492 }, {
493 .name = "rrfile",
494 .type = QEMU_OPT_STRING,
495 }, {
496 .name = "rrsnapshot",
497 .type = QEMU_OPT_STRING,
498 },
499 { /* end of list */ }
500 },
501 };
502
503 static QemuOptsList qemu_semihosting_config_opts = {
504 .name = "semihosting-config",
505 .implied_opt_name = "enable",
506 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
507 .desc = {
508 {
509 .name = "enable",
510 .type = QEMU_OPT_BOOL,
511 }, {
512 .name = "target",
513 .type = QEMU_OPT_STRING,
514 }, {
515 .name = "arg",
516 .type = QEMU_OPT_STRING,
517 },
518 { /* end of list */ }
519 },
520 };
521
522 static QemuOptsList qemu_fw_cfg_opts = {
523 .name = "fw_cfg",
524 .implied_opt_name = "name",
525 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
526 .desc = {
527 {
528 .name = "name",
529 .type = QEMU_OPT_STRING,
530 .help = "Sets the fw_cfg name of the blob to be inserted",
531 }, {
532 .name = "file",
533 .type = QEMU_OPT_STRING,
534 .help = "Sets the name of the file from which\n"
535 "the fw_cfg blob will be loaded",
536 }, {
537 .name = "string",
538 .type = QEMU_OPT_STRING,
539 .help = "Sets content of the blob to be inserted from a string",
540 },
541 { /* end of list */ }
542 },
543 };
544
545 /**
546 * Get machine options
547 *
548 * Returns: machine options (never null).
549 */
550 QemuOpts *qemu_get_machine_opts(void)
551 {
552 return qemu_find_opts_singleton("machine");
553 }
554
555 const char *qemu_get_vm_name(void)
556 {
557 return qemu_name;
558 }
559
560 static void res_free(void)
561 {
562 g_free(boot_splash_filedata);
563 boot_splash_filedata = NULL;
564 }
565
566 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
567 {
568 const char *driver = qemu_opt_get(opts, "driver");
569 int i;
570
571 if (!driver)
572 return 0;
573 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
574 if (strcmp(default_list[i].driver, driver) != 0)
575 continue;
576 *(default_list[i].flag) = 0;
577 }
578 return 0;
579 }
580
581 /***********************************************************/
582 /* QEMU state */
583
584 static RunState current_run_state = RUN_STATE_PRELAUNCH;
585
586 /* We use RUN_STATE__MAX but any invalid value will do */
587 static RunState vmstop_requested = RUN_STATE__MAX;
588 static QemuMutex vmstop_lock;
589
590 typedef struct {
591 RunState from;
592 RunState to;
593 } RunStateTransition;
594
595 static const RunStateTransition runstate_transitions_def[] = {
596 /* from -> to */
597 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
598 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
599 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
600
601 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
602 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
603 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
604 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
605 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
606 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
607 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
608 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
611 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
612 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
613
614 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
615 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
617
618 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
619 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
623 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
625 { RUN_STATE_PAUSED, RUN_STATE_COLO},
626
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
628 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
630
631 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
632 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
634
635 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
636 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
637 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
638 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
639
640 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
641 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
642
643 { RUN_STATE_COLO, RUN_STATE_RUNNING },
644
645 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
646 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
647 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
648 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
649 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
651 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
652 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
653 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
654 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
655 { RUN_STATE_RUNNING, RUN_STATE_COLO},
656
657 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
658
659 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
660 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
661 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
662
663 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
664 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
665 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
666 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
668 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
669
670 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
671 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
672 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
673 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
674
675 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
676 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
677 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
678
679 { RUN_STATE__MAX, RUN_STATE__MAX },
680 };
681
682 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
683
684 bool runstate_check(RunState state)
685 {
686 return current_run_state == state;
687 }
688
689 bool runstate_store(char *str, size_t size)
690 {
691 const char *state = RunState_lookup[current_run_state];
692 size_t len = strlen(state) + 1;
693
694 if (len > size) {
695 return false;
696 }
697 memcpy(str, state, len);
698 return true;
699 }
700
701 static void runstate_init(void)
702 {
703 const RunStateTransition *p;
704
705 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
706 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
707 runstate_valid_transitions[p->from][p->to] = true;
708 }
709
710 qemu_mutex_init(&vmstop_lock);
711 }
712
713 /* This function will abort() on invalid state transitions */
714 void runstate_set(RunState new_state)
715 {
716 assert(new_state < RUN_STATE__MAX);
717
718 if (current_run_state == new_state) {
719 return;
720 }
721
722 if (!runstate_valid_transitions[current_run_state][new_state]) {
723 error_report("invalid runstate transition: '%s' -> '%s'",
724 RunState_lookup[current_run_state],
725 RunState_lookup[new_state]);
726 abort();
727 }
728 trace_runstate_set(new_state);
729 current_run_state = new_state;
730 }
731
732 int runstate_is_running(void)
733 {
734 return runstate_check(RUN_STATE_RUNNING);
735 }
736
737 bool runstate_needs_reset(void)
738 {
739 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
740 runstate_check(RUN_STATE_SHUTDOWN);
741 }
742
743 StatusInfo *qmp_query_status(Error **errp)
744 {
745 StatusInfo *info = g_malloc0(sizeof(*info));
746
747 info->running = runstate_is_running();
748 info->singlestep = singlestep;
749 info->status = current_run_state;
750
751 return info;
752 }
753
754 bool qemu_vmstop_requested(RunState *r)
755 {
756 qemu_mutex_lock(&vmstop_lock);
757 *r = vmstop_requested;
758 vmstop_requested = RUN_STATE__MAX;
759 qemu_mutex_unlock(&vmstop_lock);
760 return *r < RUN_STATE__MAX;
761 }
762
763 void qemu_system_vmstop_request_prepare(void)
764 {
765 qemu_mutex_lock(&vmstop_lock);
766 }
767
768 void qemu_system_vmstop_request(RunState state)
769 {
770 vmstop_requested = state;
771 qemu_mutex_unlock(&vmstop_lock);
772 qemu_notify_event();
773 }
774
775 /***********************************************************/
776 /* real time host monotonic timer */
777
778 static time_t qemu_time(void)
779 {
780 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
781 }
782
783 /***********************************************************/
784 /* host time/date access */
785 void qemu_get_timedate(struct tm *tm, int offset)
786 {
787 time_t ti = qemu_time();
788
789 ti += offset;
790 if (rtc_date_offset == -1) {
791 if (rtc_utc)
792 gmtime_r(&ti, tm);
793 else
794 localtime_r(&ti, tm);
795 } else {
796 ti -= rtc_date_offset;
797 gmtime_r(&ti, tm);
798 }
799 }
800
801 int qemu_timedate_diff(struct tm *tm)
802 {
803 time_t seconds;
804
805 if (rtc_date_offset == -1)
806 if (rtc_utc)
807 seconds = mktimegm(tm);
808 else {
809 struct tm tmp = *tm;
810 tmp.tm_isdst = -1; /* use timezone to figure it out */
811 seconds = mktime(&tmp);
812 }
813 else
814 seconds = mktimegm(tm) + rtc_date_offset;
815
816 return seconds - qemu_time();
817 }
818
819 static void configure_rtc_date_offset(const char *startdate, int legacy)
820 {
821 time_t rtc_start_date;
822 struct tm tm;
823
824 if (!strcmp(startdate, "now") && legacy) {
825 rtc_date_offset = -1;
826 } else {
827 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
828 &tm.tm_year,
829 &tm.tm_mon,
830 &tm.tm_mday,
831 &tm.tm_hour,
832 &tm.tm_min,
833 &tm.tm_sec) == 6) {
834 /* OK */
835 } else if (sscanf(startdate, "%d-%d-%d",
836 &tm.tm_year,
837 &tm.tm_mon,
838 &tm.tm_mday) == 3) {
839 tm.tm_hour = 0;
840 tm.tm_min = 0;
841 tm.tm_sec = 0;
842 } else {
843 goto date_fail;
844 }
845 tm.tm_year -= 1900;
846 tm.tm_mon--;
847 rtc_start_date = mktimegm(&tm);
848 if (rtc_start_date == -1) {
849 date_fail:
850 error_report("invalid date format");
851 error_printf("valid formats: "
852 "'2006-06-17T16:01:21' or '2006-06-17'\n");
853 exit(1);
854 }
855 rtc_date_offset = qemu_time() - rtc_start_date;
856 }
857 }
858
859 static void configure_rtc(QemuOpts *opts)
860 {
861 const char *value;
862
863 value = qemu_opt_get(opts, "base");
864 if (value) {
865 if (!strcmp(value, "utc")) {
866 rtc_utc = 1;
867 } else if (!strcmp(value, "localtime")) {
868 Error *blocker = NULL;
869 rtc_utc = 0;
870 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
871 "-rtc base=localtime");
872 replay_add_blocker(blocker);
873 } else {
874 configure_rtc_date_offset(value, 0);
875 }
876 }
877 value = qemu_opt_get(opts, "clock");
878 if (value) {
879 if (!strcmp(value, "host")) {
880 rtc_clock = QEMU_CLOCK_HOST;
881 } else if (!strcmp(value, "rt")) {
882 rtc_clock = QEMU_CLOCK_REALTIME;
883 } else if (!strcmp(value, "vm")) {
884 rtc_clock = QEMU_CLOCK_VIRTUAL;
885 } else {
886 error_report("invalid option value '%s'", value);
887 exit(1);
888 }
889 }
890 value = qemu_opt_get(opts, "driftfix");
891 if (value) {
892 if (!strcmp(value, "slew")) {
893 static GlobalProperty slew_lost_ticks = {
894 .driver = "mc146818rtc",
895 .property = "lost_tick_policy",
896 .value = "slew",
897 };
898
899 qdev_prop_register_global(&slew_lost_ticks);
900 } else if (!strcmp(value, "none")) {
901 /* discard is default */
902 } else {
903 error_report("invalid option value '%s'", value);
904 exit(1);
905 }
906 }
907 }
908
909 /***********************************************************/
910 /* Bluetooth support */
911 static int nb_hcis;
912 static int cur_hci;
913 static struct HCIInfo *hci_table[MAX_NICS];
914
915 struct HCIInfo *qemu_next_hci(void)
916 {
917 if (cur_hci == nb_hcis)
918 return &null_hci;
919
920 return hci_table[cur_hci++];
921 }
922
923 static int bt_hci_parse(const char *str)
924 {
925 struct HCIInfo *hci;
926 bdaddr_t bdaddr;
927
928 if (nb_hcis >= MAX_NICS) {
929 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
930 return -1;
931 }
932
933 hci = hci_init(str);
934 if (!hci)
935 return -1;
936
937 bdaddr.b[0] = 0x52;
938 bdaddr.b[1] = 0x54;
939 bdaddr.b[2] = 0x00;
940 bdaddr.b[3] = 0x12;
941 bdaddr.b[4] = 0x34;
942 bdaddr.b[5] = 0x56 + nb_hcis;
943 hci->bdaddr_set(hci, bdaddr.b);
944
945 hci_table[nb_hcis++] = hci;
946
947 return 0;
948 }
949
950 static void bt_vhci_add(int vlan_id)
951 {
952 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
953
954 if (!vlan->slave)
955 error_report("warning: adding a VHCI to an empty scatternet %i",
956 vlan_id);
957
958 bt_vhci_init(bt_new_hci(vlan));
959 }
960
961 static struct bt_device_s *bt_device_add(const char *opt)
962 {
963 struct bt_scatternet_s *vlan;
964 int vlan_id = 0;
965 char *endp = strstr(opt, ",vlan=");
966 int len = (endp ? endp - opt : strlen(opt)) + 1;
967 char devname[10];
968
969 pstrcpy(devname, MIN(sizeof(devname), len), opt);
970
971 if (endp) {
972 vlan_id = strtol(endp + 6, &endp, 0);
973 if (*endp) {
974 error_report("unrecognised bluetooth vlan Id");
975 return 0;
976 }
977 }
978
979 vlan = qemu_find_bt_vlan(vlan_id);
980
981 if (!vlan->slave)
982 error_report("warning: adding a slave device to an empty scatternet %i",
983 vlan_id);
984
985 if (!strcmp(devname, "keyboard"))
986 return bt_keyboard_init(vlan);
987
988 error_report("unsupported bluetooth device '%s'", devname);
989 return 0;
990 }
991
992 static int bt_parse(const char *opt)
993 {
994 const char *endp, *p;
995 int vlan;
996
997 if (strstart(opt, "hci", &endp)) {
998 if (!*endp || *endp == ',') {
999 if (*endp)
1000 if (!strstart(endp, ",vlan=", 0))
1001 opt = endp + 1;
1002
1003 return bt_hci_parse(opt);
1004 }
1005 } else if (strstart(opt, "vhci", &endp)) {
1006 if (!*endp || *endp == ',') {
1007 if (*endp) {
1008 if (strstart(endp, ",vlan=", &p)) {
1009 vlan = strtol(p, (char **) &endp, 0);
1010 if (*endp) {
1011 error_report("bad scatternet '%s'", p);
1012 return 1;
1013 }
1014 } else {
1015 error_report("bad parameter '%s'", endp + 1);
1016 return 1;
1017 }
1018 } else
1019 vlan = 0;
1020
1021 bt_vhci_add(vlan);
1022 return 0;
1023 }
1024 } else if (strstart(opt, "device:", &endp))
1025 return !bt_device_add(endp);
1026
1027 error_report("bad bluetooth parameter '%s'", opt);
1028 return 1;
1029 }
1030
1031 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1032 {
1033 /* FIXME: change this to true for 1.3 */
1034 if (qemu_opt_get_bool(opts, "enable", false)) {
1035 #ifdef CONFIG_SECCOMP
1036 if (seccomp_start() < 0) {
1037 error_report("failed to install seccomp syscall filter "
1038 "in the kernel");
1039 return -1;
1040 }
1041 #else
1042 error_report("seccomp support is disabled");
1043 return -1;
1044 #endif
1045 }
1046
1047 return 0;
1048 }
1049
1050 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1051 {
1052 const char *proc_name;
1053
1054 if (qemu_opt_get(opts, "debug-threads")) {
1055 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1056 }
1057 qemu_name = qemu_opt_get(opts, "guest");
1058
1059 proc_name = qemu_opt_get(opts, "process");
1060 if (proc_name) {
1061 os_set_proc_name(proc_name);
1062 }
1063
1064 return 0;
1065 }
1066
1067 bool defaults_enabled(void)
1068 {
1069 return has_defaults;
1070 }
1071
1072 #ifndef _WIN32
1073 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1074 {
1075 int fd, dupfd, flags;
1076 int64_t fdset_id;
1077 const char *fd_opaque = NULL;
1078 AddfdInfo *fdinfo;
1079
1080 fd = qemu_opt_get_number(opts, "fd", -1);
1081 fdset_id = qemu_opt_get_number(opts, "set", -1);
1082 fd_opaque = qemu_opt_get(opts, "opaque");
1083
1084 if (fd < 0) {
1085 error_report("fd option is required and must be non-negative");
1086 return -1;
1087 }
1088
1089 if (fd <= STDERR_FILENO) {
1090 error_report("fd cannot be a standard I/O stream");
1091 return -1;
1092 }
1093
1094 /*
1095 * All fds inherited across exec() necessarily have FD_CLOEXEC
1096 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1097 */
1098 flags = fcntl(fd, F_GETFD);
1099 if (flags == -1 || (flags & FD_CLOEXEC)) {
1100 error_report("fd is not valid or already in use");
1101 return -1;
1102 }
1103
1104 if (fdset_id < 0) {
1105 error_report("set option is required and must be non-negative");
1106 return -1;
1107 }
1108
1109 #ifdef F_DUPFD_CLOEXEC
1110 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1111 #else
1112 dupfd = dup(fd);
1113 if (dupfd != -1) {
1114 qemu_set_cloexec(dupfd);
1115 }
1116 #endif
1117 if (dupfd == -1) {
1118 error_report("error duplicating fd: %s", strerror(errno));
1119 return -1;
1120 }
1121
1122 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1123 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1124 &error_abort);
1125 g_free(fdinfo);
1126
1127 return 0;
1128 }
1129
1130 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1131 {
1132 int fd;
1133
1134 fd = qemu_opt_get_number(opts, "fd", -1);
1135 close(fd);
1136
1137 return 0;
1138 }
1139 #endif
1140
1141 /***********************************************************/
1142 /* QEMU Block devices */
1143
1144 #define HD_OPTS "media=disk"
1145 #define CDROM_OPTS "media=cdrom"
1146 #define FD_OPTS ""
1147 #define PFLASH_OPTS ""
1148 #define MTD_OPTS ""
1149 #define SD_OPTS ""
1150
1151 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1152 {
1153 BlockInterfaceType *block_default_type = opaque;
1154
1155 return drive_new(opts, *block_default_type) == NULL;
1156 }
1157
1158 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1159 {
1160 if (qemu_opt_get(opts, "snapshot") == NULL) {
1161 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1162 }
1163 return 0;
1164 }
1165
1166 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1167 int index, const char *optstr)
1168 {
1169 QemuOpts *opts;
1170 DriveInfo *dinfo;
1171
1172 if (!enable || drive_get_by_index(type, index)) {
1173 return;
1174 }
1175
1176 opts = drive_add(type, index, NULL, optstr);
1177 if (snapshot) {
1178 drive_enable_snapshot(NULL, opts, NULL);
1179 }
1180
1181 dinfo = drive_new(opts, type);
1182 if (!dinfo) {
1183 exit(1);
1184 }
1185 dinfo->is_default = true;
1186
1187 }
1188
1189 static QemuOptsList qemu_smp_opts = {
1190 .name = "smp-opts",
1191 .implied_opt_name = "cpus",
1192 .merge_lists = true,
1193 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1194 .desc = {
1195 {
1196 .name = "cpus",
1197 .type = QEMU_OPT_NUMBER,
1198 }, {
1199 .name = "sockets",
1200 .type = QEMU_OPT_NUMBER,
1201 }, {
1202 .name = "cores",
1203 .type = QEMU_OPT_NUMBER,
1204 }, {
1205 .name = "threads",
1206 .type = QEMU_OPT_NUMBER,
1207 }, {
1208 .name = "maxcpus",
1209 .type = QEMU_OPT_NUMBER,
1210 },
1211 { /*End of list */ }
1212 },
1213 };
1214
1215 static void smp_parse(QemuOpts *opts)
1216 {
1217 if (opts) {
1218 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1219 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1220 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1221 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1222
1223 /* compute missing values, prefer sockets over cores over threads */
1224 if (cpus == 0 || sockets == 0) {
1225 sockets = sockets > 0 ? sockets : 1;
1226 cores = cores > 0 ? cores : 1;
1227 threads = threads > 0 ? threads : 1;
1228 if (cpus == 0) {
1229 cpus = cores * threads * sockets;
1230 }
1231 } else if (cores == 0) {
1232 threads = threads > 0 ? threads : 1;
1233 cores = cpus / (sockets * threads);
1234 cores = cores > 0 ? cores : 1;
1235 } else if (threads == 0) {
1236 threads = cpus / (cores * sockets);
1237 threads = threads > 0 ? threads : 1;
1238 } else if (sockets * cores * threads < cpus) {
1239 error_report("cpu topology: "
1240 "sockets (%u) * cores (%u) * threads (%u) < "
1241 "smp_cpus (%u)",
1242 sockets, cores, threads, cpus);
1243 exit(1);
1244 }
1245
1246 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1247
1248 if (max_cpus < cpus) {
1249 error_report("maxcpus must be equal to or greater than smp");
1250 exit(1);
1251 }
1252
1253 if (sockets * cores * threads > max_cpus) {
1254 error_report("cpu topology: "
1255 "sockets (%u) * cores (%u) * threads (%u) > "
1256 "maxcpus (%u)",
1257 sockets, cores, threads, max_cpus);
1258 exit(1);
1259 }
1260
1261 smp_cpus = cpus;
1262 smp_cores = cores;
1263 smp_threads = threads;
1264 }
1265
1266 if (smp_cpus > 1) {
1267 Error *blocker = NULL;
1268 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1269 replay_add_blocker(blocker);
1270 }
1271 }
1272
1273 static void realtime_init(void)
1274 {
1275 if (enable_mlock) {
1276 if (os_mlock() < 0) {
1277 error_report("locking memory failed");
1278 exit(1);
1279 }
1280 }
1281 }
1282
1283
1284 static void configure_msg(QemuOpts *opts)
1285 {
1286 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1287 }
1288
1289 /***********************************************************/
1290 /* Semihosting */
1291
1292 typedef struct SemihostingConfig {
1293 bool enabled;
1294 SemihostingTarget target;
1295 const char **argv;
1296 int argc;
1297 const char *cmdline; /* concatenated argv */
1298 } SemihostingConfig;
1299
1300 static SemihostingConfig semihosting;
1301
1302 bool semihosting_enabled(void)
1303 {
1304 return semihosting.enabled;
1305 }
1306
1307 SemihostingTarget semihosting_get_target(void)
1308 {
1309 return semihosting.target;
1310 }
1311
1312 const char *semihosting_get_arg(int i)
1313 {
1314 if (i >= semihosting.argc) {
1315 return NULL;
1316 }
1317 return semihosting.argv[i];
1318 }
1319
1320 int semihosting_get_argc(void)
1321 {
1322 return semihosting.argc;
1323 }
1324
1325 const char *semihosting_get_cmdline(void)
1326 {
1327 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1328 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1329 }
1330 return semihosting.cmdline;
1331 }
1332
1333 static int add_semihosting_arg(void *opaque,
1334 const char *name, const char *val,
1335 Error **errp)
1336 {
1337 SemihostingConfig *s = opaque;
1338 if (strcmp(name, "arg") == 0) {
1339 s->argc++;
1340 /* one extra element as g_strjoinv() expects NULL-terminated array */
1341 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1342 s->argv[s->argc - 1] = val;
1343 s->argv[s->argc] = NULL;
1344 }
1345 return 0;
1346 }
1347
1348 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1349 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1350 {
1351 char *cmd_token;
1352
1353 /* argv[0] */
1354 add_semihosting_arg(&semihosting, "arg", file, NULL);
1355
1356 /* split -append and initialize argv[1..n] */
1357 cmd_token = strtok(g_strdup(cmd), " ");
1358 while (cmd_token) {
1359 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1360 cmd_token = strtok(NULL, " ");
1361 }
1362 }
1363
1364 /* Now we still need this for compatibility with XEN. */
1365 bool has_igd_gfx_passthru;
1366 static void igd_gfx_passthru(void)
1367 {
1368 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1369 }
1370
1371 /***********************************************************/
1372 /* USB devices */
1373
1374 static int usb_device_add(const char *devname)
1375 {
1376 USBDevice *dev = NULL;
1377 #ifndef CONFIG_LINUX
1378 const char *p;
1379 #endif
1380
1381 if (!machine_usb(current_machine)) {
1382 return -1;
1383 }
1384
1385 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1386 dev = usbdevice_create(devname);
1387 if (dev)
1388 goto done;
1389
1390 /* the other ones */
1391 #ifndef CONFIG_LINUX
1392 /* only the linux version is qdev-ified, usb-bsd still needs this */
1393 if (strstart(devname, "host:", &p)) {
1394 dev = usb_host_device_open(usb_bus_find(-1), p);
1395 }
1396 #endif
1397 if (!dev)
1398 return -1;
1399
1400 done:
1401 return 0;
1402 }
1403
1404 static int usb_device_del(const char *devname)
1405 {
1406 int bus_num, addr;
1407 const char *p;
1408
1409 if (strstart(devname, "host:", &p)) {
1410 return -1;
1411 }
1412
1413 if (!machine_usb(current_machine)) {
1414 return -1;
1415 }
1416
1417 p = strchr(devname, '.');
1418 if (!p)
1419 return -1;
1420 bus_num = strtoul(devname, NULL, 0);
1421 addr = strtoul(p + 1, NULL, 0);
1422
1423 return usb_device_delete_addr(bus_num, addr);
1424 }
1425
1426 static int usb_parse(const char *cmdline)
1427 {
1428 int r;
1429 r = usb_device_add(cmdline);
1430 if (r < 0) {
1431 error_report("could not add USB device '%s'", cmdline);
1432 }
1433 return r;
1434 }
1435
1436 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1437 {
1438 const char *devname = qdict_get_str(qdict, "devname");
1439 if (usb_device_add(devname) < 0) {
1440 error_report("could not add USB device '%s'", devname);
1441 }
1442 }
1443
1444 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1445 {
1446 const char *devname = qdict_get_str(qdict, "devname");
1447 if (usb_device_del(devname) < 0) {
1448 error_report("could not delete USB device '%s'", devname);
1449 }
1450 }
1451
1452 /***********************************************************/
1453 /* machine registration */
1454
1455 MachineState *current_machine;
1456
1457 static MachineClass *find_machine(const char *name)
1458 {
1459 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1460 MachineClass *mc = NULL;
1461
1462 for (el = machines; el; el = el->next) {
1463 MachineClass *temp = el->data;
1464
1465 if (!strcmp(temp->name, name)) {
1466 mc = temp;
1467 break;
1468 }
1469 if (temp->alias &&
1470 !strcmp(temp->alias, name)) {
1471 mc = temp;
1472 break;
1473 }
1474 }
1475
1476 g_slist_free(machines);
1477 return mc;
1478 }
1479
1480 MachineClass *find_default_machine(void)
1481 {
1482 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1483 MachineClass *mc = NULL;
1484
1485 for (el = machines; el; el = el->next) {
1486 MachineClass *temp = el->data;
1487
1488 if (temp->is_default) {
1489 mc = temp;
1490 break;
1491 }
1492 }
1493
1494 g_slist_free(machines);
1495 return mc;
1496 }
1497
1498 MachineInfoList *qmp_query_machines(Error **errp)
1499 {
1500 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1501 MachineInfoList *mach_list = NULL;
1502
1503 for (el = machines; el; el = el->next) {
1504 MachineClass *mc = el->data;
1505 MachineInfoList *entry;
1506 MachineInfo *info;
1507
1508 info = g_malloc0(sizeof(*info));
1509 if (mc->is_default) {
1510 info->has_is_default = true;
1511 info->is_default = true;
1512 }
1513
1514 if (mc->alias) {
1515 info->has_alias = true;
1516 info->alias = g_strdup(mc->alias);
1517 }
1518
1519 info->name = g_strdup(mc->name);
1520 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1521 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1522
1523 entry = g_malloc0(sizeof(*entry));
1524 entry->value = info;
1525 entry->next = mach_list;
1526 mach_list = entry;
1527 }
1528
1529 g_slist_free(machines);
1530 return mach_list;
1531 }
1532
1533 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1534 {
1535 ObjectProperty *prop;
1536 ObjectPropertyIterator iter;
1537
1538 if (!qemu_opt_has_help_opt(opts)) {
1539 return 0;
1540 }
1541
1542 object_property_iter_init(&iter, OBJECT(machine));
1543 while ((prop = object_property_iter_next(&iter))) {
1544 if (!prop->set) {
1545 continue;
1546 }
1547
1548 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1549 prop->name, prop->type);
1550 if (prop->description) {
1551 error_printf(" (%s)\n", prop->description);
1552 } else {
1553 error_printf("\n");
1554 }
1555 }
1556
1557 return 1;
1558 }
1559
1560 /***********************************************************/
1561 /* main execution loop */
1562
1563 struct vm_change_state_entry {
1564 VMChangeStateHandler *cb;
1565 void *opaque;
1566 QLIST_ENTRY (vm_change_state_entry) entries;
1567 };
1568
1569 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1570
1571 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1572 void *opaque)
1573 {
1574 VMChangeStateEntry *e;
1575
1576 e = g_malloc0(sizeof (*e));
1577
1578 e->cb = cb;
1579 e->opaque = opaque;
1580 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1581 return e;
1582 }
1583
1584 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1585 {
1586 QLIST_REMOVE (e, entries);
1587 g_free (e);
1588 }
1589
1590 void vm_state_notify(int running, RunState state)
1591 {
1592 VMChangeStateEntry *e, *next;
1593
1594 trace_vm_state_notify(running, state);
1595
1596 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1597 e->cb(e->opaque, running, state);
1598 }
1599 }
1600
1601 static int reset_requested;
1602 static int shutdown_requested, shutdown_signal = -1;
1603 static pid_t shutdown_pid;
1604 static int powerdown_requested;
1605 static int debug_requested;
1606 static int suspend_requested;
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 uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1615
1616 int qemu_shutdown_requested_get(void)
1617 {
1618 return shutdown_requested;
1619 }
1620
1621 int qemu_reset_requested_get(void)
1622 {
1623 return reset_requested;
1624 }
1625
1626 static int qemu_shutdown_requested(void)
1627 {
1628 return atomic_xchg(&shutdown_requested, 0);
1629 }
1630
1631 static void qemu_kill_report(void)
1632 {
1633 if (!qtest_driver() && shutdown_signal != -1) {
1634 if (shutdown_pid == 0) {
1635 /* This happens for eg ^C at the terminal, so it's worth
1636 * avoiding printing an odd message in that case.
1637 */
1638 error_report("terminating on signal %d", shutdown_signal);
1639 } else {
1640 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1641
1642 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1643 shutdown_signal, shutdown_pid,
1644 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1645 g_free(shutdown_cmd);
1646 }
1647 shutdown_signal = -1;
1648 }
1649 }
1650
1651 static int qemu_reset_requested(void)
1652 {
1653 int r = reset_requested;
1654 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1655 reset_requested = 0;
1656 return r;
1657 }
1658 return false;
1659 }
1660
1661 static int qemu_suspend_requested(void)
1662 {
1663 int r = suspend_requested;
1664 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1665 suspend_requested = 0;
1666 return r;
1667 }
1668 return false;
1669 }
1670
1671 static WakeupReason qemu_wakeup_requested(void)
1672 {
1673 return wakeup_reason;
1674 }
1675
1676 static int qemu_powerdown_requested(void)
1677 {
1678 int r = powerdown_requested;
1679 powerdown_requested = 0;
1680 return r;
1681 }
1682
1683 static int qemu_debug_requested(void)
1684 {
1685 int r = debug_requested;
1686 debug_requested = 0;
1687 return r;
1688 }
1689
1690 void qemu_system_reset(bool report)
1691 {
1692 MachineClass *mc;
1693
1694 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1695
1696 cpu_synchronize_all_states();
1697
1698 if (mc && mc->reset) {
1699 mc->reset();
1700 } else {
1701 qemu_devices_reset();
1702 }
1703 if (report) {
1704 qapi_event_send_reset(&error_abort);
1705 }
1706 cpu_synchronize_all_post_reset();
1707 }
1708
1709 void qemu_system_guest_panicked(GuestPanicInformation *info)
1710 {
1711 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1712
1713 if (current_cpu) {
1714 current_cpu->crash_occurred = true;
1715 }
1716 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1717 !!info, info, &error_abort);
1718 vm_stop(RUN_STATE_GUEST_PANICKED);
1719 if (!no_shutdown) {
1720 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1721 !!info, info, &error_abort);
1722 qemu_system_shutdown_request();
1723 }
1724
1725 if (info) {
1726 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1727 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1728 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1729 info->u.hyper_v.arg1,
1730 info->u.hyper_v.arg2,
1731 info->u.hyper_v.arg3,
1732 info->u.hyper_v.arg4,
1733 info->u.hyper_v.arg5);
1734 }
1735 qapi_free_GuestPanicInformation(info);
1736 }
1737 }
1738
1739 void qemu_system_reset_request(void)
1740 {
1741 if (no_reboot) {
1742 shutdown_requested = 1;
1743 } else {
1744 reset_requested = 1;
1745 }
1746 cpu_stop_current();
1747 qemu_notify_event();
1748 }
1749
1750 static void qemu_system_suspend(void)
1751 {
1752 pause_all_vcpus();
1753 notifier_list_notify(&suspend_notifiers, NULL);
1754 runstate_set(RUN_STATE_SUSPENDED);
1755 qapi_event_send_suspend(&error_abort);
1756 }
1757
1758 void qemu_system_suspend_request(void)
1759 {
1760 if (runstate_check(RUN_STATE_SUSPENDED)) {
1761 return;
1762 }
1763 suspend_requested = 1;
1764 cpu_stop_current();
1765 qemu_notify_event();
1766 }
1767
1768 void qemu_register_suspend_notifier(Notifier *notifier)
1769 {
1770 notifier_list_add(&suspend_notifiers, notifier);
1771 }
1772
1773 void qemu_system_wakeup_request(WakeupReason reason)
1774 {
1775 trace_system_wakeup_request(reason);
1776
1777 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1778 return;
1779 }
1780 if (!(wakeup_reason_mask & (1 << reason))) {
1781 return;
1782 }
1783 runstate_set(RUN_STATE_RUNNING);
1784 wakeup_reason = reason;
1785 qemu_notify_event();
1786 }
1787
1788 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1789 {
1790 if (enabled) {
1791 wakeup_reason_mask |= (1 << reason);
1792 } else {
1793 wakeup_reason_mask &= ~(1 << reason);
1794 }
1795 }
1796
1797 void qemu_register_wakeup_notifier(Notifier *notifier)
1798 {
1799 notifier_list_add(&wakeup_notifiers, notifier);
1800 }
1801
1802 void qemu_system_killed(int signal, pid_t pid)
1803 {
1804 shutdown_signal = signal;
1805 shutdown_pid = pid;
1806 no_shutdown = 0;
1807
1808 /* Cannot call qemu_system_shutdown_request directly because
1809 * we are in a signal handler.
1810 */
1811 shutdown_requested = 1;
1812 qemu_notify_event();
1813 }
1814
1815 void qemu_system_shutdown_request(void)
1816 {
1817 trace_qemu_system_shutdown_request();
1818 replay_shutdown_request();
1819 shutdown_requested = 1;
1820 qemu_notify_event();
1821 }
1822
1823 static void qemu_system_powerdown(void)
1824 {
1825 qapi_event_send_powerdown(&error_abort);
1826 notifier_list_notify(&powerdown_notifiers, NULL);
1827 }
1828
1829 void qemu_system_powerdown_request(void)
1830 {
1831 trace_qemu_system_powerdown_request();
1832 powerdown_requested = 1;
1833 qemu_notify_event();
1834 }
1835
1836 void qemu_register_powerdown_notifier(Notifier *notifier)
1837 {
1838 notifier_list_add(&powerdown_notifiers, notifier);
1839 }
1840
1841 void qemu_system_debug_request(void)
1842 {
1843 debug_requested = 1;
1844 qemu_notify_event();
1845 }
1846
1847 static bool main_loop_should_exit(void)
1848 {
1849 RunState r;
1850 if (qemu_debug_requested()) {
1851 vm_stop(RUN_STATE_DEBUG);
1852 }
1853 if (qemu_suspend_requested()) {
1854 qemu_system_suspend();
1855 }
1856 if (qemu_shutdown_requested()) {
1857 qemu_kill_report();
1858 qapi_event_send_shutdown(&error_abort);
1859 if (no_shutdown) {
1860 vm_stop(RUN_STATE_SHUTDOWN);
1861 } else {
1862 return true;
1863 }
1864 }
1865 if (qemu_reset_requested()) {
1866 pause_all_vcpus();
1867 qemu_system_reset(VMRESET_REPORT);
1868 resume_all_vcpus();
1869 if (!runstate_check(RUN_STATE_RUNNING) &&
1870 !runstate_check(RUN_STATE_INMIGRATE)) {
1871 runstate_set(RUN_STATE_PRELAUNCH);
1872 }
1873 }
1874 if (qemu_wakeup_requested()) {
1875 pause_all_vcpus();
1876 qemu_system_reset(VMRESET_SILENT);
1877 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1878 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1879 resume_all_vcpus();
1880 qapi_event_send_wakeup(&error_abort);
1881 }
1882 if (qemu_powerdown_requested()) {
1883 qemu_system_powerdown();
1884 }
1885 if (qemu_vmstop_requested(&r)) {
1886 vm_stop(r);
1887 }
1888 return false;
1889 }
1890
1891 static void main_loop(void)
1892 {
1893 #ifdef CONFIG_PROFILER
1894 int64_t ti;
1895 #endif
1896 do {
1897 #ifdef CONFIG_PROFILER
1898 ti = profile_getclock();
1899 #endif
1900 main_loop_wait(false);
1901 #ifdef CONFIG_PROFILER
1902 dev_time += profile_getclock() - ti;
1903 #endif
1904 } while (!main_loop_should_exit());
1905 }
1906
1907 static void version(void)
1908 {
1909 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1910 QEMU_COPYRIGHT "\n");
1911 }
1912
1913 static void help(int exitcode)
1914 {
1915 version();
1916 printf("usage: %s [options] [disk_image]\n\n"
1917 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1918 error_get_progname());
1919
1920 #define QEMU_OPTIONS_GENERATE_HELP
1921 #include "qemu-options-wrapper.h"
1922
1923 printf("\nDuring emulation, the following keys are useful:\n"
1924 "ctrl-alt-f toggle full screen\n"
1925 "ctrl-alt-n switch to virtual console 'n'\n"
1926 "ctrl-alt toggle mouse and keyboard grab\n"
1927 "\n"
1928 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1929
1930 exit(exitcode);
1931 }
1932
1933 #define HAS_ARG 0x0001
1934
1935 typedef struct QEMUOption {
1936 const char *name;
1937 int flags;
1938 int index;
1939 uint32_t arch_mask;
1940 } QEMUOption;
1941
1942 static const QEMUOption qemu_options[] = {
1943 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1944 #define QEMU_OPTIONS_GENERATE_OPTIONS
1945 #include "qemu-options-wrapper.h"
1946 { NULL },
1947 };
1948
1949 typedef struct VGAInterfaceInfo {
1950 const char *opt_name; /* option name */
1951 const char *name; /* human-readable name */
1952 /* Class names indicating that support is available.
1953 * If no class is specified, the interface is always available */
1954 const char *class_names[2];
1955 } VGAInterfaceInfo;
1956
1957 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1958 [VGA_NONE] = {
1959 .opt_name = "none",
1960 },
1961 [VGA_STD] = {
1962 .opt_name = "std",
1963 .name = "standard VGA",
1964 .class_names = { "VGA", "isa-vga" },
1965 },
1966 [VGA_CIRRUS] = {
1967 .opt_name = "cirrus",
1968 .name = "Cirrus VGA",
1969 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1970 },
1971 [VGA_VMWARE] = {
1972 .opt_name = "vmware",
1973 .name = "VMWare SVGA",
1974 .class_names = { "vmware-svga" },
1975 },
1976 [VGA_VIRTIO] = {
1977 .opt_name = "virtio",
1978 .name = "Virtio VGA",
1979 .class_names = { "virtio-vga" },
1980 },
1981 [VGA_QXL] = {
1982 .opt_name = "qxl",
1983 .name = "QXL VGA",
1984 .class_names = { "qxl-vga" },
1985 },
1986 [VGA_TCX] = {
1987 .opt_name = "tcx",
1988 .name = "TCX framebuffer",
1989 .class_names = { "SUNW,tcx" },
1990 },
1991 [VGA_CG3] = {
1992 .opt_name = "cg3",
1993 .name = "CG3 framebuffer",
1994 .class_names = { "cgthree" },
1995 },
1996 [VGA_XENFB] = {
1997 .opt_name = "xenfb",
1998 },
1999 };
2000
2001 static bool vga_interface_available(VGAInterfaceType t)
2002 {
2003 VGAInterfaceInfo *ti = &vga_interfaces[t];
2004
2005 assert(t < VGA_TYPE_MAX);
2006 return !ti->class_names[0] ||
2007 object_class_by_name(ti->class_names[0]) ||
2008 object_class_by_name(ti->class_names[1]);
2009 }
2010
2011 static void select_vgahw(const char *p)
2012 {
2013 const char *opts;
2014 int t;
2015
2016 assert(vga_interface_type == VGA_NONE);
2017 for (t = 0; t < VGA_TYPE_MAX; t++) {
2018 VGAInterfaceInfo *ti = &vga_interfaces[t];
2019 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2020 if (!vga_interface_available(t)) {
2021 error_report("%s not available", ti->name);
2022 exit(1);
2023 }
2024 vga_interface_type = t;
2025 break;
2026 }
2027 }
2028 if (t == VGA_TYPE_MAX) {
2029 invalid_vga:
2030 error_report("unknown vga type: %s", p);
2031 exit(1);
2032 }
2033 while (*opts) {
2034 const char *nextopt;
2035
2036 if (strstart(opts, ",retrace=", &nextopt)) {
2037 opts = nextopt;
2038 if (strstart(opts, "dumb", &nextopt))
2039 vga_retrace_method = VGA_RETRACE_DUMB;
2040 else if (strstart(opts, "precise", &nextopt))
2041 vga_retrace_method = VGA_RETRACE_PRECISE;
2042 else goto invalid_vga;
2043 } else goto invalid_vga;
2044 opts = nextopt;
2045 }
2046 }
2047
2048 typedef enum DisplayType {
2049 DT_DEFAULT,
2050 DT_CURSES,
2051 DT_SDL,
2052 DT_COCOA,
2053 DT_GTK,
2054 DT_EGL,
2055 DT_NONE,
2056 } DisplayType;
2057
2058 static DisplayType select_display(const char *p)
2059 {
2060 const char *opts;
2061 DisplayType display = DT_DEFAULT;
2062
2063 if (strstart(p, "sdl", &opts)) {
2064 #ifdef CONFIG_SDL
2065 display = DT_SDL;
2066 while (*opts) {
2067 const char *nextopt;
2068
2069 if (strstart(opts, ",frame=", &nextopt)) {
2070 opts = nextopt;
2071 if (strstart(opts, "on", &nextopt)) {
2072 no_frame = 0;
2073 } else if (strstart(opts, "off", &nextopt)) {
2074 no_frame = 1;
2075 } else {
2076 goto invalid_sdl_args;
2077 }
2078 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2079 opts = nextopt;
2080 if (strstart(opts, "on", &nextopt)) {
2081 alt_grab = 1;
2082 } else if (strstart(opts, "off", &nextopt)) {
2083 alt_grab = 0;
2084 } else {
2085 goto invalid_sdl_args;
2086 }
2087 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2088 opts = nextopt;
2089 if (strstart(opts, "on", &nextopt)) {
2090 ctrl_grab = 1;
2091 } else if (strstart(opts, "off", &nextopt)) {
2092 ctrl_grab = 0;
2093 } else {
2094 goto invalid_sdl_args;
2095 }
2096 } else if (strstart(opts, ",window_close=", &nextopt)) {
2097 opts = nextopt;
2098 if (strstart(opts, "on", &nextopt)) {
2099 no_quit = 0;
2100 } else if (strstart(opts, "off", &nextopt)) {
2101 no_quit = 1;
2102 } else {
2103 goto invalid_sdl_args;
2104 }
2105 } else if (strstart(opts, ",gl=", &nextopt)) {
2106 opts = nextopt;
2107 if (strstart(opts, "on", &nextopt)) {
2108 request_opengl = 1;
2109 } else if (strstart(opts, "off", &nextopt)) {
2110 request_opengl = 0;
2111 } else {
2112 goto invalid_sdl_args;
2113 }
2114 } else {
2115 invalid_sdl_args:
2116 error_report("invalid SDL option string");
2117 exit(1);
2118 }
2119 opts = nextopt;
2120 }
2121 #else
2122 error_report("SDL support is disabled");
2123 exit(1);
2124 #endif
2125 } else if (strstart(p, "vnc", &opts)) {
2126 if (*opts == '=') {
2127 vnc_parse(opts + 1, &error_fatal);
2128 } else {
2129 error_report("VNC requires a display argument vnc=<display>");
2130 exit(1);
2131 }
2132 } else if (strstart(p, "egl-headless", &opts)) {
2133 #ifdef CONFIG_OPENGL_DMABUF
2134 request_opengl = 1;
2135 display_opengl = 1;
2136 display = DT_EGL;
2137 #else
2138 fprintf(stderr, "egl support is disabled\n");
2139 exit(1);
2140 #endif
2141 } else if (strstart(p, "curses", &opts)) {
2142 #ifdef CONFIG_CURSES
2143 display = DT_CURSES;
2144 #else
2145 error_report("curses support is disabled");
2146 exit(1);
2147 #endif
2148 } else if (strstart(p, "gtk", &opts)) {
2149 #ifdef CONFIG_GTK
2150 display = DT_GTK;
2151 while (*opts) {
2152 const char *nextopt;
2153
2154 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2155 opts = nextopt;
2156 if (strstart(opts, "on", &nextopt)) {
2157 grab_on_hover = true;
2158 } else if (strstart(opts, "off", &nextopt)) {
2159 grab_on_hover = false;
2160 } else {
2161 goto invalid_gtk_args;
2162 }
2163 } else if (strstart(opts, ",gl=", &nextopt)) {
2164 opts = nextopt;
2165 if (strstart(opts, "on", &nextopt)) {
2166 request_opengl = 1;
2167 } else if (strstart(opts, "off", &nextopt)) {
2168 request_opengl = 0;
2169 } else {
2170 goto invalid_gtk_args;
2171 }
2172 } else {
2173 invalid_gtk_args:
2174 error_report("invalid GTK option string");
2175 exit(1);
2176 }
2177 opts = nextopt;
2178 }
2179 #else
2180 error_report("GTK support is disabled");
2181 exit(1);
2182 #endif
2183 } else if (strstart(p, "none", &opts)) {
2184 display = DT_NONE;
2185 } else {
2186 error_report("unknown display type");
2187 exit(1);
2188 }
2189
2190 return display;
2191 }
2192
2193 static int balloon_parse(const char *arg)
2194 {
2195 QemuOpts *opts;
2196
2197 if (strcmp(arg, "none") == 0) {
2198 return 0;
2199 }
2200
2201 if (!strncmp(arg, "virtio", 6)) {
2202 if (arg[6] == ',') {
2203 /* have params -> parse them */
2204 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2205 false);
2206 if (!opts)
2207 return -1;
2208 } else {
2209 /* create empty opts */
2210 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2211 &error_abort);
2212 }
2213 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2214 return 0;
2215 }
2216
2217 return -1;
2218 }
2219
2220 char *qemu_find_file(int type, const char *name)
2221 {
2222 int i;
2223 const char *subdir;
2224 char *buf;
2225
2226 /* Try the name as a straight path first */
2227 if (access(name, R_OK) == 0) {
2228 trace_load_file(name, name);
2229 return g_strdup(name);
2230 }
2231
2232 switch (type) {
2233 case QEMU_FILE_TYPE_BIOS:
2234 subdir = "";
2235 break;
2236 case QEMU_FILE_TYPE_KEYMAP:
2237 subdir = "keymaps/";
2238 break;
2239 default:
2240 abort();
2241 }
2242
2243 for (i = 0; i < data_dir_idx; i++) {
2244 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2245 if (access(buf, R_OK) == 0) {
2246 trace_load_file(name, buf);
2247 return buf;
2248 }
2249 g_free(buf);
2250 }
2251 return NULL;
2252 }
2253
2254 static inline bool nonempty_str(const char *str)
2255 {
2256 return str && *str;
2257 }
2258
2259 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2260 {
2261 gchar *buf;
2262 size_t size;
2263 const char *name, *file, *str;
2264 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2265
2266 if (fw_cfg == NULL) {
2267 error_report("fw_cfg device not available");
2268 return -1;
2269 }
2270 name = qemu_opt_get(opts, "name");
2271 file = qemu_opt_get(opts, "file");
2272 str = qemu_opt_get(opts, "string");
2273
2274 /* we need name and either a file or the content string */
2275 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2276 error_report("invalid argument(s)");
2277 return -1;
2278 }
2279 if (nonempty_str(file) && nonempty_str(str)) {
2280 error_report("file and string are mutually exclusive");
2281 return -1;
2282 }
2283 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2284 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2285 return -1;
2286 }
2287 if (strncmp(name, "opt/", 4) != 0) {
2288 error_report("warning: externally provided fw_cfg item names "
2289 "should be prefixed with \"opt/\"");
2290 }
2291 if (nonempty_str(str)) {
2292 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2293 buf = g_memdup(str, size);
2294 } else {
2295 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2296 error_report("can't load %s", file);
2297 return -1;
2298 }
2299 }
2300 /* For legacy, keep user files in a specific global order. */
2301 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2302 fw_cfg_add_file(fw_cfg, name, buf, size);
2303 fw_cfg_reset_order_override(fw_cfg);
2304 return 0;
2305 }
2306
2307 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2308 {
2309 return qdev_device_help(opts);
2310 }
2311
2312 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2313 {
2314 Error *err = NULL;
2315 DeviceState *dev;
2316
2317 dev = qdev_device_add(opts, &err);
2318 if (!dev) {
2319 error_report_err(err);
2320 return -1;
2321 }
2322 object_unref(OBJECT(dev));
2323 return 0;
2324 }
2325
2326 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2327 {
2328 Error *local_err = NULL;
2329
2330 qemu_chr_new_from_opts(opts, &local_err);
2331 if (local_err) {
2332 error_report_err(local_err);
2333 return -1;
2334 }
2335 return 0;
2336 }
2337
2338 #ifdef CONFIG_VIRTFS
2339 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2340 {
2341 return qemu_fsdev_add(opts);
2342 }
2343 #endif
2344
2345 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2346 {
2347 Chardev *chr;
2348 const char *chardev;
2349 const char *mode;
2350 int flags;
2351
2352 mode = qemu_opt_get(opts, "mode");
2353 if (mode == NULL) {
2354 mode = "readline";
2355 }
2356 if (strcmp(mode, "readline") == 0) {
2357 flags = MONITOR_USE_READLINE;
2358 } else if (strcmp(mode, "control") == 0) {
2359 flags = MONITOR_USE_CONTROL;
2360 } else {
2361 error_report("unknown monitor mode \"%s\"", mode);
2362 exit(1);
2363 }
2364
2365 if (qemu_opt_get_bool(opts, "pretty", 0))
2366 flags |= MONITOR_USE_PRETTY;
2367
2368 if (qemu_opt_get_bool(opts, "default", 0)) {
2369 error_report("option 'default' does nothing and is deprecated");
2370 }
2371
2372 chardev = qemu_opt_get(opts, "chardev");
2373 chr = qemu_chr_find(chardev);
2374 if (chr == NULL) {
2375 error_report("chardev \"%s\" not found", chardev);
2376 exit(1);
2377 }
2378
2379 monitor_init(chr, flags);
2380 return 0;
2381 }
2382
2383 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2384 {
2385 static int monitor_device_index = 0;
2386 QemuOpts *opts;
2387 const char *p;
2388 char label[32];
2389
2390 if (strstart(optarg, "chardev:", &p)) {
2391 snprintf(label, sizeof(label), "%s", p);
2392 } else {
2393 snprintf(label, sizeof(label), "compat_monitor%d",
2394 monitor_device_index);
2395 opts = qemu_chr_parse_compat(label, optarg);
2396 if (!opts) {
2397 error_report("parse error: %s", optarg);
2398 exit(1);
2399 }
2400 }
2401
2402 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2403 qemu_opt_set(opts, "mode", mode, &error_abort);
2404 qemu_opt_set(opts, "chardev", label, &error_abort);
2405 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2406 monitor_device_index++;
2407 }
2408
2409 struct device_config {
2410 enum {
2411 DEV_USB, /* -usbdevice */
2412 DEV_BT, /* -bt */
2413 DEV_SERIAL, /* -serial */
2414 DEV_PARALLEL, /* -parallel */
2415 DEV_VIRTCON, /* -virtioconsole */
2416 DEV_DEBUGCON, /* -debugcon */
2417 DEV_GDB, /* -gdb, -s */
2418 DEV_SCLP, /* s390 sclp */
2419 } type;
2420 const char *cmdline;
2421 Location loc;
2422 QTAILQ_ENTRY(device_config) next;
2423 };
2424
2425 static QTAILQ_HEAD(, device_config) device_configs =
2426 QTAILQ_HEAD_INITIALIZER(device_configs);
2427
2428 static void add_device_config(int type, const char *cmdline)
2429 {
2430 struct device_config *conf;
2431
2432 conf = g_malloc0(sizeof(*conf));
2433 conf->type = type;
2434 conf->cmdline = cmdline;
2435 loc_save(&conf->loc);
2436 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2437 }
2438
2439 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2440 {
2441 struct device_config *conf;
2442 int rc;
2443
2444 QTAILQ_FOREACH(conf, &device_configs, next) {
2445 if (conf->type != type)
2446 continue;
2447 loc_push_restore(&conf->loc);
2448 rc = func(conf->cmdline);
2449 loc_pop(&conf->loc);
2450 if (rc) {
2451 return rc;
2452 }
2453 }
2454 return 0;
2455 }
2456
2457 static int serial_parse(const char *devname)
2458 {
2459 static int index = 0;
2460 char label[32];
2461
2462 if (strcmp(devname, "none") == 0)
2463 return 0;
2464 if (index == MAX_SERIAL_PORTS) {
2465 error_report("too many serial ports");
2466 exit(1);
2467 }
2468 snprintf(label, sizeof(label), "serial%d", index);
2469 serial_hds[index] = qemu_chr_new(label, devname);
2470 if (!serial_hds[index]) {
2471 error_report("could not connect serial device"
2472 " to character backend '%s'", devname);
2473 return -1;
2474 }
2475 index++;
2476 return 0;
2477 }
2478
2479 static int parallel_parse(const char *devname)
2480 {
2481 static int index = 0;
2482 char label[32];
2483
2484 if (strcmp(devname, "none") == 0)
2485 return 0;
2486 if (index == MAX_PARALLEL_PORTS) {
2487 error_report("too many parallel ports");
2488 exit(1);
2489 }
2490 snprintf(label, sizeof(label), "parallel%d", index);
2491 parallel_hds[index] = qemu_chr_new(label, devname);
2492 if (!parallel_hds[index]) {
2493 error_report("could not connect parallel device"
2494 " to character backend '%s'", devname);
2495 return -1;
2496 }
2497 index++;
2498 return 0;
2499 }
2500
2501 static int virtcon_parse(const char *devname)
2502 {
2503 QemuOptsList *device = qemu_find_opts("device");
2504 static int index = 0;
2505 char label[32];
2506 QemuOpts *bus_opts, *dev_opts;
2507
2508 if (strcmp(devname, "none") == 0)
2509 return 0;
2510 if (index == MAX_VIRTIO_CONSOLES) {
2511 error_report("too many virtio consoles");
2512 exit(1);
2513 }
2514
2515 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2516 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2517
2518 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2519 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2520
2521 snprintf(label, sizeof(label), "virtcon%d", index);
2522 virtcon_hds[index] = qemu_chr_new(label, devname);
2523 if (!virtcon_hds[index]) {
2524 error_report("could not connect virtio console"
2525 " to character backend '%s'", devname);
2526 return -1;
2527 }
2528 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2529
2530 index++;
2531 return 0;
2532 }
2533
2534 static int sclp_parse(const char *devname)
2535 {
2536 QemuOptsList *device = qemu_find_opts("device");
2537 static int index = 0;
2538 char label[32];
2539 QemuOpts *dev_opts;
2540
2541 if (strcmp(devname, "none") == 0) {
2542 return 0;
2543 }
2544 if (index == MAX_SCLP_CONSOLES) {
2545 error_report("too many sclp consoles");
2546 exit(1);
2547 }
2548
2549 assert(arch_type == QEMU_ARCH_S390X);
2550
2551 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2552 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2553
2554 snprintf(label, sizeof(label), "sclpcon%d", index);
2555 sclp_hds[index] = qemu_chr_new(label, devname);
2556 if (!sclp_hds[index]) {
2557 error_report("could not connect sclp console"
2558 " to character backend '%s'", devname);
2559 return -1;
2560 }
2561 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2562
2563 index++;
2564 return 0;
2565 }
2566
2567 static int debugcon_parse(const char *devname)
2568 {
2569 QemuOpts *opts;
2570
2571 if (!qemu_chr_new("debugcon", devname)) {
2572 exit(1);
2573 }
2574 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2575 if (!opts) {
2576 error_report("already have a debugcon device");
2577 exit(1);
2578 }
2579 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2580 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2581 return 0;
2582 }
2583
2584 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2585 {
2586 const MachineClass *mc1 = a, *mc2 = b;
2587 int res;
2588
2589 if (mc1->family == NULL) {
2590 if (mc2->family == NULL) {
2591 /* Compare standalone machine types against each other; they sort
2592 * in increasing order.
2593 */
2594 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2595 object_class_get_name(OBJECT_CLASS(mc2)));
2596 }
2597
2598 /* Standalone machine types sort after families. */
2599 return 1;
2600 }
2601
2602 if (mc2->family == NULL) {
2603 /* Families sort before standalone machine types. */
2604 return -1;
2605 }
2606
2607 /* Families sort between each other alphabetically increasingly. */
2608 res = strcmp(mc1->family, mc2->family);
2609 if (res != 0) {
2610 return res;
2611 }
2612
2613 /* Within the same family, machine types sort in decreasing order. */
2614 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2615 object_class_get_name(OBJECT_CLASS(mc1)));
2616 }
2617
2618 static MachineClass *machine_parse(const char *name)
2619 {
2620 MachineClass *mc = NULL;
2621 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2622
2623 if (name) {
2624 mc = find_machine(name);
2625 }
2626 if (mc) {
2627 g_slist_free(machines);
2628 return mc;
2629 }
2630 if (name && !is_help_option(name)) {
2631 error_report("unsupported machine type");
2632 error_printf("Use -machine help to list supported machines\n");
2633 } else {
2634 printf("Supported machines are:\n");
2635 machines = g_slist_sort(machines, machine_class_cmp);
2636 for (el = machines; el; el = el->next) {
2637 MachineClass *mc = el->data;
2638 if (mc->alias) {
2639 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2640 }
2641 printf("%-20s %s%s\n", mc->name, mc->desc,
2642 mc->is_default ? " (default)" : "");
2643 }
2644 }
2645
2646 g_slist_free(machines);
2647 exit(!name || !is_help_option(name));
2648 }
2649
2650 void qemu_add_exit_notifier(Notifier *notify)
2651 {
2652 notifier_list_add(&exit_notifiers, notify);
2653 }
2654
2655 void qemu_remove_exit_notifier(Notifier *notify)
2656 {
2657 notifier_remove(notify);
2658 }
2659
2660 static void qemu_run_exit_notifiers(void)
2661 {
2662 notifier_list_notify(&exit_notifiers, NULL);
2663 }
2664
2665 static bool machine_init_done;
2666
2667 void qemu_add_machine_init_done_notifier(Notifier *notify)
2668 {
2669 notifier_list_add(&machine_init_done_notifiers, notify);
2670 if (machine_init_done) {
2671 notify->notify(notify, NULL);
2672 }
2673 }
2674
2675 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2676 {
2677 notifier_remove(notify);
2678 }
2679
2680 static void qemu_run_machine_init_done_notifiers(void)
2681 {
2682 notifier_list_notify(&machine_init_done_notifiers, NULL);
2683 machine_init_done = true;
2684 }
2685
2686 static const QEMUOption *lookup_opt(int argc, char **argv,
2687 const char **poptarg, int *poptind)
2688 {
2689 const QEMUOption *popt;
2690 int optind = *poptind;
2691 char *r = argv[optind];
2692 const char *optarg;
2693
2694 loc_set_cmdline(argv, optind, 1);
2695 optind++;
2696 /* Treat --foo the same as -foo. */
2697 if (r[1] == '-')
2698 r++;
2699 popt = qemu_options;
2700 for(;;) {
2701 if (!popt->name) {
2702 error_report("invalid option");
2703 exit(1);
2704 }
2705 if (!strcmp(popt->name, r + 1))
2706 break;
2707 popt++;
2708 }
2709 if (popt->flags & HAS_ARG) {
2710 if (optind >= argc) {
2711 error_report("requires an argument");
2712 exit(1);
2713 }
2714 optarg = argv[optind++];
2715 loc_set_cmdline(argv, optind - 2, 2);
2716 } else {
2717 optarg = NULL;
2718 }
2719
2720 *poptarg = optarg;
2721 *poptind = optind;
2722
2723 return popt;
2724 }
2725
2726 static MachineClass *select_machine(void)
2727 {
2728 MachineClass *machine_class = find_default_machine();
2729 const char *optarg;
2730 QemuOpts *opts;
2731 Location loc;
2732
2733 loc_push_none(&loc);
2734
2735 opts = qemu_get_machine_opts();
2736 qemu_opts_loc_restore(opts);
2737
2738 optarg = qemu_opt_get(opts, "type");
2739 if (optarg) {
2740 machine_class = machine_parse(optarg);
2741 }
2742
2743 if (!machine_class) {
2744 error_report("No machine specified, and there is no default");
2745 error_printf("Use -machine help to list supported machines\n");
2746 exit(1);
2747 }
2748
2749 loc_pop(&loc);
2750 return machine_class;
2751 }
2752
2753 static int machine_set_property(void *opaque,
2754 const char *name, const char *value,
2755 Error **errp)
2756 {
2757 Object *obj = OBJECT(opaque);
2758 Error *local_err = NULL;
2759 char *p, *qom_name;
2760
2761 if (strcmp(name, "type") == 0) {
2762 return 0;
2763 }
2764
2765 qom_name = g_strdup(name);
2766 for (p = qom_name; *p; p++) {
2767 if (*p == '_') {
2768 *p = '-';
2769 }
2770 }
2771
2772 object_property_parse(obj, value, qom_name, &local_err);
2773 g_free(qom_name);
2774
2775 if (local_err) {
2776 error_report_err(local_err);
2777 return -1;
2778 }
2779
2780 return 0;
2781 }
2782
2783
2784 /*
2785 * Initial object creation happens before all other
2786 * QEMU data types are created. The majority of objects
2787 * can be created at this point. The rng-egd object
2788 * cannot be created here, as it depends on the chardev
2789 * already existing.
2790 */
2791 static bool object_create_initial(const char *type)
2792 {
2793 if (g_str_equal(type, "rng-egd")) {
2794 return false;
2795 }
2796
2797 /*
2798 * return false for concrete netfilters since
2799 * they depend on netdevs already existing
2800 */
2801 if (g_str_equal(type, "filter-buffer") ||
2802 g_str_equal(type, "filter-dump") ||
2803 g_str_equal(type, "filter-mirror") ||
2804 g_str_equal(type, "filter-redirector") ||
2805 g_str_equal(type, "colo-compare") ||
2806 g_str_equal(type, "filter-rewriter") ||
2807 g_str_equal(type, "filter-replay")) {
2808 return false;
2809 }
2810
2811 /* Memory allocation by backends needs to be done
2812 * after configure_accelerator() (due to the tcg_enabled()
2813 * checks at memory_region_init_*()).
2814 *
2815 * Also, allocation of large amounts of memory may delay
2816 * chardev initialization for too long, and trigger timeouts
2817 * on software that waits for a monitor socket to be created
2818 * (e.g. libvirt).
2819 */
2820 if (g_str_has_prefix(type, "memory-backend-")) {
2821 return false;
2822 }
2823
2824 return true;
2825 }
2826
2827
2828 /*
2829 * The remainder of object creation happens after the
2830 * creation of chardev, fsdev, net clients and device data types.
2831 */
2832 static bool object_create_delayed(const char *type)
2833 {
2834 return !object_create_initial(type);
2835 }
2836
2837
2838 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2839 MachineClass *mc)
2840 {
2841 uint64_t sz;
2842 const char *mem_str;
2843 const char *maxmem_str, *slots_str;
2844 const ram_addr_t default_ram_size = mc->default_ram_size;
2845 QemuOpts *opts = qemu_find_opts_singleton("memory");
2846 Location loc;
2847
2848 loc_push_none(&loc);
2849 qemu_opts_loc_restore(opts);
2850
2851 sz = 0;
2852 mem_str = qemu_opt_get(opts, "size");
2853 if (mem_str) {
2854 if (!*mem_str) {
2855 error_report("missing 'size' option value");
2856 exit(EXIT_FAILURE);
2857 }
2858
2859 sz = qemu_opt_get_size(opts, "size", ram_size);
2860
2861 /* Fix up legacy suffix-less format */
2862 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2863 uint64_t overflow_check = sz;
2864
2865 sz <<= 20;
2866 if ((sz >> 20) != overflow_check) {
2867 error_report("too large 'size' option value");
2868 exit(EXIT_FAILURE);
2869 }
2870 }
2871 }
2872
2873 /* backward compatibility behaviour for case "-m 0" */
2874 if (sz == 0) {
2875 sz = default_ram_size;
2876 }
2877
2878 sz = QEMU_ALIGN_UP(sz, 8192);
2879 ram_size = sz;
2880 if (ram_size != sz) {
2881 error_report("ram size too large");
2882 exit(EXIT_FAILURE);
2883 }
2884
2885 /* store value for the future use */
2886 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2887 *maxram_size = ram_size;
2888
2889 maxmem_str = qemu_opt_get(opts, "maxmem");
2890 slots_str = qemu_opt_get(opts, "slots");
2891 if (maxmem_str && slots_str) {
2892 uint64_t slots;
2893
2894 sz = qemu_opt_get_size(opts, "maxmem", 0);
2895 slots = qemu_opt_get_number(opts, "slots", 0);
2896 if (sz < ram_size) {
2897 error_report("invalid value of -m option maxmem: "
2898 "maximum memory size (0x%" PRIx64 ") must be at least "
2899 "the initial memory size (0x" RAM_ADDR_FMT ")",
2900 sz, ram_size);
2901 exit(EXIT_FAILURE);
2902 } else if (sz > ram_size) {
2903 if (!slots) {
2904 error_report("invalid value of -m option: maxmem was "
2905 "specified, but no hotplug slots were specified");
2906 exit(EXIT_FAILURE);
2907 }
2908 } else if (slots) {
2909 error_report("invalid value of -m option maxmem: "
2910 "memory slots were specified but maximum memory size "
2911 "(0x%" PRIx64 ") is equal to the initial memory size "
2912 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2913 exit(EXIT_FAILURE);
2914 }
2915
2916 *maxram_size = sz;
2917 *ram_slots = slots;
2918 } else if ((!maxmem_str && slots_str) ||
2919 (maxmem_str && !slots_str)) {
2920 error_report("invalid -m option value: missing "
2921 "'%s' option", slots_str ? "maxmem" : "slots");
2922 exit(EXIT_FAILURE);
2923 }
2924
2925 loc_pop(&loc);
2926 }
2927
2928 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2929 {
2930 GlobalProperty *g;
2931
2932 g = g_malloc0(sizeof(*g));
2933 g->driver = qemu_opt_get(opts, "driver");
2934 g->property = qemu_opt_get(opts, "property");
2935 g->value = qemu_opt_get(opts, "value");
2936 g->user_provided = true;
2937 g->errp = &error_fatal;
2938 qdev_prop_register_global(g);
2939 return 0;
2940 }
2941
2942 static int qemu_read_default_config_file(void)
2943 {
2944 int ret;
2945
2946 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2947 if (ret < 0 && ret != -ENOENT) {
2948 return ret;
2949 }
2950
2951 return 0;
2952 }
2953
2954 int main(int argc, char **argv, char **envp)
2955 {
2956 int i;
2957 int snapshot, linux_boot;
2958 const char *initrd_filename;
2959 const char *kernel_filename, *kernel_cmdline;
2960 const char *boot_order = NULL;
2961 const char *boot_once = NULL;
2962 DisplayState *ds;
2963 int cyls, heads, secs, translation;
2964 QemuOpts *opts, *machine_opts;
2965 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
2966 QemuOptsList *olist;
2967 int optind;
2968 const char *optarg;
2969 const char *loadvm = NULL;
2970 MachineClass *machine_class;
2971 const char *cpu_model;
2972 const char *vga_model = NULL;
2973 const char *qtest_chrdev = NULL;
2974 const char *qtest_log = NULL;
2975 const char *pid_file = NULL;
2976 const char *incoming = NULL;
2977 bool defconfig = true;
2978 bool userconfig = true;
2979 bool nographic = false;
2980 DisplayType display_type = DT_DEFAULT;
2981 int display_remote = 0;
2982 const char *log_mask = NULL;
2983 const char *log_file = NULL;
2984 char *trace_file = NULL;
2985 ram_addr_t maxram_size;
2986 uint64_t ram_slots = 0;
2987 FILE *vmstate_dump_file = NULL;
2988 Error *main_loop_err = NULL;
2989 Error *err = NULL;
2990 bool list_data_dirs = false;
2991 typedef struct BlockdevOptions_queue {
2992 BlockdevOptions *bdo;
2993 Location loc;
2994 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2995 } BlockdevOptions_queue;
2996 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2997 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2998
2999 module_call_init(MODULE_INIT_TRACE);
3000
3001 qemu_init_cpu_list();
3002 qemu_init_cpu_loop();
3003 qemu_mutex_lock_iothread();
3004
3005 atexit(qemu_run_exit_notifiers);
3006 error_set_progname(argv[0]);
3007 qemu_init_exec_dir(argv[0]);
3008
3009 module_call_init(MODULE_INIT_QOM);
3010 monitor_init_qmp_commands();
3011
3012 qemu_add_opts(&qemu_drive_opts);
3013 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3014 qemu_add_drive_opts(&qemu_common_drive_opts);
3015 qemu_add_drive_opts(&qemu_drive_opts);
3016 qemu_add_drive_opts(&bdrv_runtime_opts);
3017 qemu_add_opts(&qemu_chardev_opts);
3018 qemu_add_opts(&qemu_device_opts);
3019 qemu_add_opts(&qemu_netdev_opts);
3020 qemu_add_opts(&qemu_net_opts);
3021 qemu_add_opts(&qemu_rtc_opts);
3022 qemu_add_opts(&qemu_global_opts);
3023 qemu_add_opts(&qemu_mon_opts);
3024 qemu_add_opts(&qemu_trace_opts);
3025 qemu_add_opts(&qemu_option_rom_opts);
3026 qemu_add_opts(&qemu_machine_opts);
3027 qemu_add_opts(&qemu_accel_opts);
3028 qemu_add_opts(&qemu_mem_opts);
3029 qemu_add_opts(&qemu_smp_opts);
3030 qemu_add_opts(&qemu_boot_opts);
3031 qemu_add_opts(&qemu_sandbox_opts);
3032 qemu_add_opts(&qemu_add_fd_opts);
3033 qemu_add_opts(&qemu_object_opts);
3034 qemu_add_opts(&qemu_tpmdev_opts);
3035 qemu_add_opts(&qemu_realtime_opts);
3036 qemu_add_opts(&qemu_msg_opts);
3037 qemu_add_opts(&qemu_name_opts);
3038 qemu_add_opts(&qemu_numa_opts);
3039 qemu_add_opts(&qemu_icount_opts);
3040 qemu_add_opts(&qemu_semihosting_config_opts);
3041 qemu_add_opts(&qemu_fw_cfg_opts);
3042 module_call_init(MODULE_INIT_OPTS);
3043
3044 runstate_init();
3045
3046 if (qcrypto_init(&err) < 0) {
3047 error_reportf_err(err, "cannot initialize crypto: ");
3048 exit(1);
3049 }
3050 rtc_clock = QEMU_CLOCK_HOST;
3051
3052 QLIST_INIT (&vm_change_state_head);
3053 os_setup_early_signal_handling();
3054
3055 cpu_model = NULL;
3056 snapshot = 0;
3057 cyls = heads = secs = 0;
3058 translation = BIOS_ATA_TRANSLATION_AUTO;
3059
3060 nb_nics = 0;
3061
3062 bdrv_init_with_whitelist();
3063
3064 autostart = 1;
3065
3066 /* first pass of option parsing */
3067 optind = 1;
3068 while (optind < argc) {
3069 if (argv[optind][0] != '-') {
3070 /* disk image */
3071 optind++;
3072 } else {
3073 const QEMUOption *popt;
3074
3075 popt = lookup_opt(argc, argv, &optarg, &optind);
3076 switch (popt->index) {
3077 case QEMU_OPTION_nodefconfig:
3078 defconfig = false;
3079 break;
3080 case QEMU_OPTION_nouserconfig:
3081 userconfig = false;
3082 break;
3083 }
3084 }
3085 }
3086
3087 if (defconfig && userconfig) {
3088 if (qemu_read_default_config_file() < 0) {
3089 exit(1);
3090 }
3091 }
3092
3093 /* second pass of option parsing */
3094 optind = 1;
3095 for(;;) {
3096 if (optind >= argc)
3097 break;
3098 if (argv[optind][0] != '-') {
3099 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3100 } else {
3101 const QEMUOption *popt;
3102
3103 popt = lookup_opt(argc, argv, &optarg, &optind);
3104 if (!(popt->arch_mask & arch_type)) {
3105 error_report("Option not supported for this target");
3106 exit(1);
3107 }
3108 switch(popt->index) {
3109 case QEMU_OPTION_no_kvm_irqchip: {
3110 olist = qemu_find_opts("machine");
3111 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3112 break;
3113 }
3114 case QEMU_OPTION_cpu:
3115 /* hw initialization will check this */
3116 cpu_model = optarg;
3117 break;
3118 case QEMU_OPTION_hda:
3119 {
3120 char buf[256];
3121 if (cyls == 0)
3122 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3123 else
3124 snprintf(buf, sizeof(buf),
3125 "%s,cyls=%d,heads=%d,secs=%d%s",
3126 HD_OPTS , cyls, heads, secs,
3127 translation == BIOS_ATA_TRANSLATION_LBA ?
3128 ",trans=lba" :
3129 translation == BIOS_ATA_TRANSLATION_NONE ?
3130 ",trans=none" : "");
3131 drive_add(IF_DEFAULT, 0, optarg, buf);
3132 break;
3133 }
3134 case QEMU_OPTION_hdb:
3135 case QEMU_OPTION_hdc:
3136 case QEMU_OPTION_hdd:
3137 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3138 HD_OPTS);
3139 break;
3140 case QEMU_OPTION_blockdev:
3141 {
3142 Visitor *v;
3143 BlockdevOptions_queue *bdo;
3144
3145 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3146 if (!v) {
3147 error_report_err(err);
3148 exit(1);
3149 }
3150
3151 bdo = g_new(BlockdevOptions_queue, 1);
3152 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3153 &error_fatal);
3154 visit_free(v);
3155 loc_save(&bdo->loc);
3156 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3157 break;
3158 }
3159 case QEMU_OPTION_drive:
3160 if (drive_def(optarg) == NULL) {
3161 exit(1);
3162 }
3163 break;
3164 case QEMU_OPTION_set:
3165 if (qemu_set_option(optarg) != 0)
3166 exit(1);
3167 break;
3168 case QEMU_OPTION_global:
3169 if (qemu_global_option(optarg) != 0)
3170 exit(1);
3171 break;
3172 case QEMU_OPTION_mtdblock:
3173 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3174 break;
3175 case QEMU_OPTION_sd:
3176 drive_add(IF_SD, -1, optarg, SD_OPTS);
3177 break;
3178 case QEMU_OPTION_pflash:
3179 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3180 break;
3181 case QEMU_OPTION_snapshot:
3182 snapshot = 1;
3183 break;
3184 case QEMU_OPTION_hdachs:
3185 {
3186 const char *p;
3187 p = optarg;
3188 cyls = strtol(p, (char **)&p, 0);
3189 if (cyls < 1 || cyls > 16383)
3190 goto chs_fail;
3191 if (*p != ',')
3192 goto chs_fail;
3193 p++;
3194 heads = strtol(p, (char **)&p, 0);
3195 if (heads < 1 || heads > 16)
3196 goto chs_fail;
3197 if (*p != ',')
3198 goto chs_fail;
3199 p++;
3200 secs = strtol(p, (char **)&p, 0);
3201 if (secs < 1 || secs > 63)
3202 goto chs_fail;
3203 if (*p == ',') {
3204 p++;
3205 if (!strcmp(p, "large")) {
3206 translation = BIOS_ATA_TRANSLATION_LARGE;
3207 } else if (!strcmp(p, "rechs")) {
3208 translation = BIOS_ATA_TRANSLATION_RECHS;
3209 } else if (!strcmp(p, "none")) {
3210 translation = BIOS_ATA_TRANSLATION_NONE;
3211 } else if (!strcmp(p, "lba")) {
3212 translation = BIOS_ATA_TRANSLATION_LBA;
3213 } else if (!strcmp(p, "auto")) {
3214 translation = BIOS_ATA_TRANSLATION_AUTO;
3215 } else {
3216 goto chs_fail;
3217 }
3218 } else if (*p != '\0') {
3219 chs_fail:
3220 error_report("invalid physical CHS format");
3221 exit(1);
3222 }
3223 if (hda_opts != NULL) {
3224 qemu_opt_set_number(hda_opts, "cyls", cyls,
3225 &error_abort);
3226 qemu_opt_set_number(hda_opts, "heads", heads,
3227 &error_abort);
3228 qemu_opt_set_number(hda_opts, "secs", secs,
3229 &error_abort);
3230 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3231 qemu_opt_set(hda_opts, "trans", "large",
3232 &error_abort);
3233 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3234 qemu_opt_set(hda_opts, "trans", "rechs",
3235 &error_abort);
3236 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3237 qemu_opt_set(hda_opts, "trans", "lba",
3238 &error_abort);
3239 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3240 qemu_opt_set(hda_opts, "trans", "none",
3241 &error_abort);
3242 }
3243 }
3244 }
3245 error_report("'-hdachs' is deprecated, please use '-device"
3246 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3247 break;
3248 case QEMU_OPTION_numa:
3249 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3250 optarg, true);
3251 if (!opts) {
3252 exit(1);
3253 }
3254 break;
3255 case QEMU_OPTION_display:
3256 display_type = select_display(optarg);
3257 break;
3258 case QEMU_OPTION_nographic:
3259 olist = qemu_find_opts("machine");
3260 qemu_opts_parse_noisily(olist, "graphics=off", false);
3261 nographic = true;
3262 display_type = DT_NONE;
3263 break;
3264 case QEMU_OPTION_curses:
3265 #ifdef CONFIG_CURSES
3266 display_type = DT_CURSES;
3267 #else
3268 error_report("curses support is disabled");
3269 exit(1);
3270 #endif
3271 break;
3272 case QEMU_OPTION_portrait:
3273 graphic_rotate = 90;
3274 break;
3275 case QEMU_OPTION_rotate:
3276 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3277 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3278 graphic_rotate != 180 && graphic_rotate != 270) {
3279 error_report("only 90, 180, 270 deg rotation is available");
3280 exit(1);
3281 }
3282 break;
3283 case QEMU_OPTION_kernel:
3284 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3285 &error_abort);
3286 break;
3287 case QEMU_OPTION_initrd:
3288 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3289 &error_abort);
3290 break;
3291 case QEMU_OPTION_append:
3292 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3293 &error_abort);
3294 break;
3295 case QEMU_OPTION_dtb:
3296 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3297 &error_abort);
3298 break;
3299 case QEMU_OPTION_cdrom:
3300 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3301 break;
3302 case QEMU_OPTION_boot:
3303 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3304 optarg, true);
3305 if (!opts) {
3306 exit(1);
3307 }
3308 break;
3309 case QEMU_OPTION_fda:
3310 case QEMU_OPTION_fdb:
3311 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3312 optarg, FD_OPTS);
3313 break;
3314 case QEMU_OPTION_no_fd_bootchk:
3315 fd_bootchk = 0;
3316 break;
3317 case QEMU_OPTION_netdev:
3318 default_net = 0;
3319 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3320 exit(1);
3321 }
3322 break;
3323 case QEMU_OPTION_net:
3324 default_net = 0;
3325 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3326 exit(1);
3327 }
3328 break;
3329 #ifdef CONFIG_LIBISCSI
3330 case QEMU_OPTION_iscsi:
3331 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3332 optarg, false);
3333 if (!opts) {
3334 exit(1);
3335 }
3336 break;
3337 #endif
3338 #ifdef CONFIG_SLIRP
3339 case QEMU_OPTION_tftp:
3340 error_report("The -tftp option is deprecated. "
3341 "Please use '-netdev user,tftp=...' instead.");
3342 legacy_tftp_prefix = optarg;
3343 break;
3344 case QEMU_OPTION_bootp:
3345 error_report("The -bootp option is deprecated. "
3346 "Please use '-netdev user,bootfile=...' instead.");
3347 legacy_bootp_filename = optarg;
3348 break;
3349 case QEMU_OPTION_redir:
3350 error_report("The -redir option is deprecated. "
3351 "Please use '-netdev user,hostfwd=...' instead.");
3352 if (net_slirp_redir(optarg) < 0)
3353 exit(1);
3354 break;
3355 #endif
3356 case QEMU_OPTION_bt:
3357 add_device_config(DEV_BT, optarg);
3358 break;
3359 case QEMU_OPTION_audio_help:
3360 AUD_help ();
3361 exit (0);
3362 break;
3363 case QEMU_OPTION_soundhw:
3364 select_soundhw (optarg);
3365 break;
3366 case QEMU_OPTION_h:
3367 help(0);
3368 break;
3369 case QEMU_OPTION_version:
3370 version();
3371 exit(0);
3372 break;
3373 case QEMU_OPTION_m:
3374 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3375 optarg, true);
3376 if (!opts) {
3377 exit(EXIT_FAILURE);
3378 }
3379 break;
3380 #ifdef CONFIG_TPM
3381 case QEMU_OPTION_tpmdev:
3382 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3383 exit(1);
3384 }
3385 break;
3386 #endif
3387 case QEMU_OPTION_mempath:
3388 mem_path = optarg;
3389 break;
3390 case QEMU_OPTION_mem_prealloc:
3391 mem_prealloc = 1;
3392 break;
3393 case QEMU_OPTION_d:
3394 log_mask = optarg;
3395 break;
3396 case QEMU_OPTION_D:
3397 log_file = optarg;
3398 break;
3399 case QEMU_OPTION_DFILTER:
3400 qemu_set_dfilter_ranges(optarg, &error_fatal);
3401 break;
3402 case QEMU_OPTION_s:
3403 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3404 break;
3405 case QEMU_OPTION_gdb:
3406 add_device_config(DEV_GDB, optarg);
3407 break;
3408 case QEMU_OPTION_L:
3409 if (is_help_option(optarg)) {
3410 list_data_dirs = true;
3411 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3412 data_dir[data_dir_idx++] = optarg;
3413 }
3414 break;
3415 case QEMU_OPTION_bios:
3416 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3417 &error_abort);
3418 break;
3419 case QEMU_OPTION_singlestep:
3420 singlestep = 1;
3421 break;
3422 case QEMU_OPTION_S:
3423 autostart = 0;
3424 break;
3425 case QEMU_OPTION_k:
3426 keyboard_layout = optarg;
3427 break;
3428 case QEMU_OPTION_localtime:
3429 rtc_utc = 0;
3430 break;
3431 case QEMU_OPTION_vga:
3432 vga_model = optarg;
3433 default_vga = 0;
3434 break;
3435 case QEMU_OPTION_g:
3436 {
3437 const char *p;
3438 int w, h, depth;
3439 p = optarg;
3440 w = strtol(p, (char **)&p, 10);
3441 if (w <= 0) {
3442 graphic_error:
3443 error_report("invalid resolution or depth");
3444 exit(1);
3445 }
3446 if (*p != 'x')
3447 goto graphic_error;
3448 p++;
3449 h = strtol(p, (char **)&p, 10);
3450 if (h <= 0)
3451 goto graphic_error;
3452 if (*p == 'x') {
3453 p++;
3454 depth = strtol(p, (char **)&p, 10);
3455 if (depth != 8 && depth != 15 && depth != 16 &&
3456 depth != 24 && depth != 32)
3457 goto graphic_error;
3458 } else if (*p == '\0') {
3459 depth = graphic_depth;
3460 } else {
3461 goto graphic_error;
3462 }
3463
3464 graphic_width = w;
3465 graphic_height = h;
3466 graphic_depth = depth;
3467 }
3468 break;
3469 case QEMU_OPTION_echr:
3470 {
3471 char *r;
3472 term_escape_char = strtol(optarg, &r, 0);
3473 if (r == optarg)
3474 printf("Bad argument to echr\n");
3475 break;
3476 }
3477 case QEMU_OPTION_monitor:
3478 default_monitor = 0;
3479 if (strncmp(optarg, "none", 4)) {
3480 monitor_parse(optarg, "readline", false);
3481 }
3482 break;
3483 case QEMU_OPTION_qmp:
3484 monitor_parse(optarg, "control", false);
3485 default_monitor = 0;
3486 break;
3487 case QEMU_OPTION_qmp_pretty:
3488 monitor_parse(optarg, "control", true);
3489 default_monitor = 0;
3490 break;
3491 case QEMU_OPTION_mon:
3492 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3493 true);
3494 if (!opts) {
3495 exit(1);
3496 }
3497 default_monitor = 0;
3498 break;
3499 case QEMU_OPTION_chardev:
3500 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3501 optarg, true);
3502 if (!opts) {
3503 exit(1);
3504 }
3505 break;
3506 case QEMU_OPTION_fsdev:
3507 olist = qemu_find_opts("fsdev");
3508 if (!olist) {
3509 error_report("fsdev support is disabled");
3510 exit(1);
3511 }
3512 opts = qemu_opts_parse_noisily(olist, optarg, true);
3513 if (!opts) {
3514 exit(1);
3515 }
3516 break;
3517 case QEMU_OPTION_virtfs: {
3518 QemuOpts *fsdev;
3519 QemuOpts *device;
3520 const char *writeout, *sock_fd, *socket;
3521
3522 olist = qemu_find_opts("virtfs");
3523 if (!olist) {
3524 error_report("virtfs support is disabled");
3525 exit(1);
3526 }
3527 opts = qemu_opts_parse_noisily(olist, optarg, true);
3528 if (!opts) {
3529 exit(1);
3530 }
3531
3532 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3533 qemu_opt_get(opts, "mount_tag") == NULL) {
3534 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3535 exit(1);
3536 }
3537 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3538 qemu_opts_id(opts) ?:
3539 qemu_opt_get(opts, "mount_tag"),
3540 1, NULL);
3541 if (!fsdev) {
3542 error_report("duplicate or invalid fsdev id: %s",
3543 qemu_opt_get(opts, "mount_tag"));
3544 exit(1);
3545 }
3546
3547 writeout = qemu_opt_get(opts, "writeout");
3548 if (writeout) {
3549 #ifdef CONFIG_SYNC_FILE_RANGE
3550 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3551 #else
3552 error_report("writeout=immediate not supported "
3553 "on this platform");
3554 exit(1);
3555 #endif
3556 }
3557 qemu_opt_set(fsdev, "fsdriver",
3558 qemu_opt_get(opts, "fsdriver"), &error_abort);
3559 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3560 &error_abort);
3561 qemu_opt_set(fsdev, "security_model",
3562 qemu_opt_get(opts, "security_model"),
3563 &error_abort);
3564 socket = qemu_opt_get(opts, "socket");
3565 if (socket) {
3566 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3567 }
3568 sock_fd = qemu_opt_get(opts, "sock_fd");
3569 if (sock_fd) {
3570 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3571 }
3572
3573 qemu_opt_set_bool(fsdev, "readonly",
3574 qemu_opt_get_bool(opts, "readonly", 0),
3575 &error_abort);
3576 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3577 &error_abort);
3578 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3579 qemu_opt_set(device, "fsdev",
3580 qemu_opts_id(fsdev), &error_abort);
3581 qemu_opt_set(device, "mount_tag",
3582 qemu_opt_get(opts, "mount_tag"), &error_abort);
3583 break;
3584 }
3585 case QEMU_OPTION_virtfs_synth: {
3586 QemuOpts *fsdev;
3587 QemuOpts *device;
3588
3589 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3590 1, NULL);
3591 if (!fsdev) {
3592 error_report("duplicate option: %s", "virtfs_synth");
3593 exit(1);
3594 }
3595 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3596
3597 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3598 &error_abort);
3599 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3600 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3601 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3602 break;
3603 }
3604 case QEMU_OPTION_serial:
3605 add_device_config(DEV_SERIAL, optarg);
3606 default_serial = 0;
3607 if (strncmp(optarg, "mon:", 4) == 0) {
3608 default_monitor = 0;
3609 }
3610 break;
3611 case QEMU_OPTION_watchdog:
3612 if (watchdog) {
3613 error_report("only one watchdog option may be given");
3614 return 1;
3615 }
3616 watchdog = optarg;
3617 break;
3618 case QEMU_OPTION_watchdog_action:
3619 if (select_watchdog_action(optarg) == -1) {
3620 error_report("unknown -watchdog-action parameter");
3621 exit(1);
3622 }
3623 break;
3624 case QEMU_OPTION_virtiocon:
3625 add_device_config(DEV_VIRTCON, optarg);
3626 default_virtcon = 0;
3627 if (strncmp(optarg, "mon:", 4) == 0) {
3628 default_monitor = 0;
3629 }
3630 break;
3631 case QEMU_OPTION_parallel:
3632 add_device_config(DEV_PARALLEL, optarg);
3633 default_parallel = 0;
3634 if (strncmp(optarg, "mon:", 4) == 0) {
3635 default_monitor = 0;
3636 }
3637 break;
3638 case QEMU_OPTION_debugcon:
3639 add_device_config(DEV_DEBUGCON, optarg);
3640 break;
3641 case QEMU_OPTION_loadvm:
3642 loadvm = optarg;
3643 break;
3644 case QEMU_OPTION_full_screen:
3645 full_screen = 1;
3646 break;
3647 case QEMU_OPTION_no_frame:
3648 no_frame = 1;
3649 break;
3650 case QEMU_OPTION_alt_grab:
3651 alt_grab = 1;
3652 break;
3653 case QEMU_OPTION_ctrl_grab:
3654 ctrl_grab = 1;
3655 break;
3656 case QEMU_OPTION_no_quit:
3657 no_quit = 1;
3658 break;
3659 case QEMU_OPTION_sdl:
3660 #ifdef CONFIG_SDL
3661 display_type = DT_SDL;
3662 break;
3663 #else
3664 error_report("SDL support is disabled");
3665 exit(1);
3666 #endif
3667 case QEMU_OPTION_pidfile:
3668 pid_file = optarg;
3669 break;
3670 case QEMU_OPTION_win2k_hack:
3671 win2k_install_hack = 1;
3672 break;
3673 case QEMU_OPTION_rtc_td_hack: {
3674 static GlobalProperty slew_lost_ticks = {
3675 .driver = "mc146818rtc",
3676 .property = "lost_tick_policy",
3677 .value = "slew",
3678 };
3679
3680 qdev_prop_register_global(&slew_lost_ticks);
3681 break;
3682 }
3683 case QEMU_OPTION_acpitable:
3684 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3685 optarg, true);
3686 if (!opts) {
3687 exit(1);
3688 }
3689 acpi_table_add(opts, &error_fatal);
3690 break;
3691 case QEMU_OPTION_smbios:
3692 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3693 optarg, false);
3694 if (!opts) {
3695 exit(1);
3696 }
3697 smbios_entry_add(opts, &error_fatal);
3698 break;
3699 case QEMU_OPTION_fwcfg:
3700 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3701 optarg, true);
3702 if (opts == NULL) {
3703 exit(1);
3704 }
3705 break;
3706 case QEMU_OPTION_enable_kvm:
3707 olist = qemu_find_opts("machine");
3708 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3709 break;
3710 case QEMU_OPTION_enable_hax:
3711 olist = qemu_find_opts("machine");
3712 qemu_opts_parse_noisily(olist, "accel=hax", false);
3713 break;
3714 case QEMU_OPTION_M:
3715 case QEMU_OPTION_machine:
3716 olist = qemu_find_opts("machine");
3717 opts = qemu_opts_parse_noisily(olist, optarg, true);
3718 if (!opts) {
3719 exit(1);
3720 }
3721 break;
3722 case QEMU_OPTION_no_kvm:
3723 olist = qemu_find_opts("machine");
3724 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3725 break;
3726 case QEMU_OPTION_no_kvm_pit: {
3727 error_report("warning: ignoring deprecated option");
3728 break;
3729 }
3730 case QEMU_OPTION_no_kvm_pit_reinjection: {
3731 static GlobalProperty kvm_pit_lost_tick_policy = {
3732 .driver = "kvm-pit",
3733 .property = "lost_tick_policy",
3734 .value = "discard",
3735 };
3736
3737 error_report("warning: deprecated, replaced by "
3738 "-global kvm-pit.lost_tick_policy=discard");
3739 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3740 break;
3741 }
3742 case QEMU_OPTION_accel: {
3743 QemuOpts *accel_opts;
3744
3745 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3746 optarg, true);
3747 optarg = qemu_opt_get(accel_opts, "accel");
3748 if (!optarg || is_help_option(optarg)) {
3749 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3750 exit(1);
3751 }
3752 accel_opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3753 false, &error_abort);
3754 qemu_opt_set(accel_opts, "accel", optarg, &error_abort);
3755 break;
3756 }
3757 case QEMU_OPTION_usb:
3758 olist = qemu_find_opts("machine");
3759 qemu_opts_parse_noisily(olist, "usb=on", false);
3760 break;
3761 case QEMU_OPTION_usbdevice:
3762 error_report("'-usbdevice' is deprecated, please use "
3763 "'-device usb-...' instead");
3764 olist = qemu_find_opts("machine");
3765 qemu_opts_parse_noisily(olist, "usb=on", false);
3766 add_device_config(DEV_USB, optarg);
3767 break;
3768 case QEMU_OPTION_device:
3769 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3770 optarg, true)) {
3771 exit(1);
3772 }
3773 break;
3774 case QEMU_OPTION_smp:
3775 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3776 optarg, true)) {
3777 exit(1);
3778 }
3779 break;
3780 case QEMU_OPTION_vnc:
3781 vnc_parse(optarg, &error_fatal);
3782 break;
3783 case QEMU_OPTION_no_acpi:
3784 acpi_enabled = 0;
3785 break;
3786 case QEMU_OPTION_no_hpet:
3787 no_hpet = 1;
3788 break;
3789 case QEMU_OPTION_balloon:
3790 if (balloon_parse(optarg) < 0) {
3791 error_report("unknown -balloon argument %s", optarg);
3792 exit(1);
3793 }
3794 break;
3795 case QEMU_OPTION_no_reboot:
3796 no_reboot = 1;
3797 break;
3798 case QEMU_OPTION_no_shutdown:
3799 no_shutdown = 1;
3800 break;
3801 case QEMU_OPTION_show_cursor:
3802 cursor_hide = 0;
3803 break;
3804 case QEMU_OPTION_uuid:
3805 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3806 error_report("failed to parse UUID string: wrong format");
3807 exit(1);
3808 }
3809 qemu_uuid_set = true;
3810 break;
3811 case QEMU_OPTION_option_rom:
3812 if (nb_option_roms >= MAX_OPTION_ROMS) {
3813 error_report("too many option ROMs");
3814 exit(1);
3815 }
3816 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3817 optarg, true);
3818 if (!opts) {
3819 exit(1);
3820 }
3821 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3822 option_rom[nb_option_roms].bootindex =
3823 qemu_opt_get_number(opts, "bootindex", -1);
3824 if (!option_rom[nb_option_roms].name) {
3825 error_report("Option ROM file is not specified");
3826 exit(1);
3827 }
3828 nb_option_roms++;
3829 break;
3830 case QEMU_OPTION_semihosting:
3831 semihosting.enabled = true;
3832 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3833 break;
3834 case QEMU_OPTION_semihosting_config:
3835 semihosting.enabled = true;
3836 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3837 optarg, false);
3838 if (opts != NULL) {
3839 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3840 true);
3841 const char *target = qemu_opt_get(opts, "target");
3842 if (target != NULL) {
3843 if (strcmp("native", target) == 0) {
3844 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3845 } else if (strcmp("gdb", target) == 0) {
3846 semihosting.target = SEMIHOSTING_TARGET_GDB;
3847 } else if (strcmp("auto", target) == 0) {
3848 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3849 } else {
3850 error_report("unsupported semihosting-config %s",
3851 optarg);
3852 exit(1);
3853 }
3854 } else {
3855 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3856 }
3857 /* Set semihosting argument count and vector */
3858 qemu_opt_foreach(opts, add_semihosting_arg,
3859 &semihosting, NULL);
3860 } else {
3861 error_report("unsupported semihosting-config %s", optarg);
3862 exit(1);
3863 }
3864 break;
3865 case QEMU_OPTION_tdf:
3866 error_report("warning: ignoring deprecated option");
3867 break;
3868 case QEMU_OPTION_name:
3869 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3870 optarg, true);
3871 if (!opts) {
3872 exit(1);
3873 }
3874 break;
3875 case QEMU_OPTION_prom_env:
3876 if (nb_prom_envs >= MAX_PROM_ENVS) {
3877 error_report("too many prom variables");
3878 exit(1);
3879 }
3880 prom_envs[nb_prom_envs] = optarg;
3881 nb_prom_envs++;
3882 break;
3883 case QEMU_OPTION_old_param:
3884 old_param = 1;
3885 break;
3886 case QEMU_OPTION_clock:
3887 /* Clock options no longer exist. Keep this option for
3888 * backward compatibility.
3889 */
3890 break;
3891 case QEMU_OPTION_startdate:
3892 configure_rtc_date_offset(optarg, 1);
3893 break;
3894 case QEMU_OPTION_rtc:
3895 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3896 false);
3897 if (!opts) {
3898 exit(1);
3899 }
3900 configure_rtc(opts);
3901 break;
3902 case QEMU_OPTION_tb_size:
3903 tcg_tb_size = strtol(optarg, NULL, 0);
3904 if (tcg_tb_size < 0) {
3905 tcg_tb_size = 0;
3906 }
3907 break;
3908 case QEMU_OPTION_icount:
3909 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3910 optarg, true);
3911 if (!icount_opts) {
3912 exit(1);
3913 }
3914 break;
3915 case QEMU_OPTION_incoming:
3916 if (!incoming) {
3917 runstate_set(RUN_STATE_INMIGRATE);
3918 }
3919 incoming = optarg;
3920 break;
3921 case QEMU_OPTION_only_migratable:
3922 only_migratable = 1;
3923 break;
3924 case QEMU_OPTION_nodefaults:
3925 has_defaults = 0;
3926 break;
3927 case QEMU_OPTION_xen_domid:
3928 if (!(xen_available())) {
3929 error_report("Option not supported for this target");
3930 exit(1);
3931 }
3932 xen_domid = atoi(optarg);
3933 break;
3934 case QEMU_OPTION_xen_create:
3935 if (!(xen_available())) {
3936 error_report("Option not supported for this target");
3937 exit(1);
3938 }
3939 xen_mode = XEN_CREATE;
3940 break;
3941 case QEMU_OPTION_xen_attach:
3942 if (!(xen_available())) {
3943 error_report("Option not supported for this target");
3944 exit(1);
3945 }
3946 xen_mode = XEN_ATTACH;
3947 break;
3948 case QEMU_OPTION_xen_domid_restrict:
3949 if (!(xen_available())) {
3950 error_report("Option not supported for this target");
3951 exit(1);
3952 }
3953 xen_domid_restrict = true;
3954 break;
3955 case QEMU_OPTION_trace:
3956 g_free(trace_file);
3957 trace_file = trace_opt_parse(optarg);
3958 break;
3959 case QEMU_OPTION_readconfig:
3960 {
3961 int ret = qemu_read_config_file(optarg);
3962 if (ret < 0) {
3963 error_report("read config %s: %s", optarg,
3964 strerror(-ret));
3965 exit(1);
3966 }
3967 break;
3968 }
3969 case QEMU_OPTION_spice:
3970 olist = qemu_find_opts("spice");
3971 if (!olist) {
3972 error_report("spice support is disabled");
3973 exit(1);
3974 }
3975 opts = qemu_opts_parse_noisily(olist, optarg, false);
3976 if (!opts) {
3977 exit(1);
3978 }
3979 display_remote++;
3980 break;
3981 case QEMU_OPTION_writeconfig:
3982 {
3983 FILE *fp;
3984 if (strcmp(optarg, "-") == 0) {
3985 fp = stdout;
3986 } else {
3987 fp = fopen(optarg, "w");
3988 if (fp == NULL) {
3989 error_report("open %s: %s", optarg,
3990 strerror(errno));
3991 exit(1);
3992 }
3993 }
3994 qemu_config_write(fp);
3995 if (fp != stdout) {
3996 fclose(fp);
3997 }
3998 break;
3999 }
4000 case QEMU_OPTION_qtest:
4001 qtest_chrdev = optarg;
4002 break;
4003 case QEMU_OPTION_qtest_log:
4004 qtest_log = optarg;
4005 break;
4006 case QEMU_OPTION_sandbox:
4007 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4008 optarg, true);
4009 if (!opts) {
4010 exit(1);
4011 }
4012 break;
4013 case QEMU_OPTION_add_fd:
4014 #ifndef _WIN32
4015 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4016 optarg, false);
4017 if (!opts) {
4018 exit(1);
4019 }
4020 #else
4021 error_report("File descriptor passing is disabled on this "
4022 "platform");
4023 exit(1);
4024 #endif
4025 break;
4026 case QEMU_OPTION_object:
4027 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4028 optarg, true);
4029 if (!opts) {
4030 exit(1);
4031 }
4032 break;
4033 case QEMU_OPTION_realtime:
4034 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4035 optarg, false);
4036 if (!opts) {
4037 exit(1);
4038 }
4039 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4040 break;
4041 case QEMU_OPTION_msg:
4042 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4043 false);
4044 if (!opts) {
4045 exit(1);
4046 }
4047 configure_msg(opts);
4048 break;
4049 case QEMU_OPTION_dump_vmstate:
4050 if (vmstate_dump_file) {
4051 error_report("only one '-dump-vmstate' "
4052 "option may be given");
4053 exit(1);
4054 }
4055 vmstate_dump_file = fopen(optarg, "w");
4056 if (vmstate_dump_file == NULL) {
4057 error_report("open %s: %s", optarg, strerror(errno));
4058 exit(1);
4059 }
4060 break;
4061 default:
4062 os_parse_cmd_args(popt->index, optarg);
4063 }
4064 }
4065 }
4066 /*
4067 * Clear error location left behind by the loop.
4068 * Best done right after the loop. Do not insert code here!
4069 */
4070 loc_set_none();
4071
4072 replay_configure(icount_opts);
4073
4074 machine_class = select_machine();
4075
4076 set_memory_options(&ram_slots, &maxram_size, machine_class);
4077
4078 os_daemonize();
4079
4080 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4081 error_report("could not acquire pid file: %s", strerror(errno));
4082 exit(1);
4083 }
4084
4085 if (qemu_init_main_loop(&main_loop_err)) {
4086 error_report_err(main_loop_err);
4087 exit(1);
4088 }
4089
4090 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4091 parse_sandbox, NULL, NULL)) {
4092 exit(1);
4093 }
4094
4095 if (qemu_opts_foreach(qemu_find_opts("name"),
4096 parse_name, NULL, NULL)) {
4097 exit(1);
4098 }
4099
4100 #ifndef _WIN32
4101 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4102 parse_add_fd, NULL, NULL)) {
4103 exit(1);
4104 }
4105
4106 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4107 cleanup_add_fd, NULL, NULL)) {
4108 exit(1);
4109 }
4110 #endif
4111
4112 current_machine = MACHINE(object_new(object_class_get_name(
4113 OBJECT_CLASS(machine_class))));
4114 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4115 exit(0);
4116 }
4117 object_property_add_child(object_get_root(), "machine",
4118 OBJECT(current_machine), &error_abort);
4119
4120 if (machine_class->minimum_page_bits) {
4121 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4122 /* This would be a board error: specifying a minimum smaller than
4123 * a target's compile-time fixed setting.
4124 */
4125 g_assert_not_reached();
4126 }
4127 }
4128
4129 cpu_exec_init_all();
4130
4131 if (machine_class->hw_version) {
4132 qemu_set_hw_version(machine_class->hw_version);
4133 }
4134
4135 if (cpu_model && is_help_option(cpu_model)) {
4136 list_cpus(stdout, &fprintf, cpu_model);
4137 exit(0);
4138 }
4139
4140 if (!trace_init_backends()) {
4141 exit(1);
4142 }
4143 trace_init_file(trace_file);
4144
4145 /* Open the logfile at this point and set the log mask if necessary.
4146 */
4147 if (log_file) {
4148 qemu_set_log_filename(log_file, &error_fatal);
4149 }
4150
4151 if (log_mask) {
4152 int mask;
4153 mask = qemu_str_to_log_mask(log_mask);
4154 if (!mask) {
4155 qemu_print_log_usage(stdout);
4156 exit(1);
4157 }
4158 qemu_set_log(mask);
4159 } else {
4160 qemu_set_log(0);
4161 }
4162
4163 /* If no data_dir is specified then try to find it relative to the
4164 executable path. */
4165 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4166 data_dir[data_dir_idx] = os_find_datadir();
4167 if (data_dir[data_dir_idx] != NULL) {
4168 data_dir_idx++;
4169 }
4170 }
4171 /* If all else fails use the install path specified when building. */
4172 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4173 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4174 }
4175
4176 /* -L help lists the data directories and exits. */
4177 if (list_data_dirs) {
4178 for (i = 0; i < data_dir_idx; i++) {
4179 printf("%s\n", data_dir[i]);
4180 }
4181 exit(0);
4182 }
4183
4184 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4185
4186 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4187 if (max_cpus > machine_class->max_cpus) {
4188 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4189 "supported by machine '%s' (%d)", max_cpus,
4190 machine_class->name, machine_class->max_cpus);
4191 exit(1);
4192 }
4193
4194 /*
4195 * Get the default machine options from the machine if it is not already
4196 * specified either by the configuration file or by the command line.
4197 */
4198 if (machine_class->default_machine_opts) {
4199 qemu_opts_set_defaults(qemu_find_opts("machine"),
4200 machine_class->default_machine_opts, 0);
4201 }
4202
4203 qemu_opts_foreach(qemu_find_opts("device"),
4204 default_driver_check, NULL, NULL);
4205 qemu_opts_foreach(qemu_find_opts("global"),
4206 default_driver_check, NULL, NULL);
4207
4208 if (!vga_model && !default_vga) {
4209 vga_interface_type = VGA_DEVICE;
4210 }
4211 if (!has_defaults || machine_class->no_serial) {
4212 default_serial = 0;
4213 }
4214 if (!has_defaults || machine_class->no_parallel) {
4215 default_parallel = 0;
4216 }
4217 if (!has_defaults || !machine_class->use_virtcon) {
4218 default_virtcon = 0;
4219 }
4220 if (!has_defaults || !machine_class->use_sclp) {
4221 default_sclp = 0;
4222 }
4223 if (!has_defaults || machine_class->no_floppy) {
4224 default_floppy = 0;
4225 }
4226 if (!has_defaults || machine_class->no_cdrom) {
4227 default_cdrom = 0;
4228 }
4229 if (!has_defaults || machine_class->no_sdcard) {
4230 default_sdcard = 0;
4231 }
4232 if (!has_defaults) {
4233 default_monitor = 0;
4234 default_net = 0;
4235 default_vga = 0;
4236 }
4237
4238 if (is_daemonized()) {
4239 /* According to documentation and historically, -nographic redirects
4240 * serial port, parallel port and monitor to stdio, which does not work
4241 * with -daemonize. We can redirect these to null instead, but since
4242 * -nographic is legacy, let's just error out.
4243 * We disallow -nographic only if all other ports are not redirected
4244 * explicitly, to not break existing legacy setups which uses
4245 * -nographic _and_ redirects all ports explicitly - this is valid
4246 * usage, -nographic is just a no-op in this case.
4247 */
4248 if (nographic
4249 && (default_parallel || default_serial
4250 || default_monitor || default_virtcon)) {
4251 error_report("-nographic cannot be used with -daemonize");
4252 exit(1);
4253 }
4254 #ifdef CONFIG_CURSES
4255 if (display_type == DT_CURSES) {
4256 error_report("curses display cannot be used with -daemonize");
4257 exit(1);
4258 }
4259 #endif
4260 }
4261
4262 if (nographic) {
4263 if (default_parallel)
4264 add_device_config(DEV_PARALLEL, "null");
4265 if (default_serial && default_monitor) {
4266 add_device_config(DEV_SERIAL, "mon:stdio");
4267 } else if (default_virtcon && default_monitor) {
4268 add_device_config(DEV_VIRTCON, "mon:stdio");
4269 } else if (default_sclp && default_monitor) {
4270 add_device_config(DEV_SCLP, "mon:stdio");
4271 } else {
4272 if (default_serial)
4273 add_device_config(DEV_SERIAL, "stdio");
4274 if (default_virtcon)
4275 add_device_config(DEV_VIRTCON, "stdio");
4276 if (default_sclp) {
4277 add_device_config(DEV_SCLP, "stdio");
4278 }
4279 if (default_monitor)
4280 monitor_parse("stdio", "readline", false);
4281 }
4282 } else {
4283 if (default_serial)
4284 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4285 if (default_parallel)
4286 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4287 if (default_monitor)
4288 monitor_parse("vc:80Cx24C", "readline", false);
4289 if (default_virtcon)
4290 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4291 if (default_sclp) {
4292 add_device_config(DEV_SCLP, "vc:80Cx24C");
4293 }
4294 }
4295
4296 #if defined(CONFIG_VNC)
4297 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4298 display_remote++;
4299 }
4300 #endif
4301 if (display_type == DT_DEFAULT && !display_remote) {
4302 #if defined(CONFIG_GTK)
4303 display_type = DT_GTK;
4304 #elif defined(CONFIG_SDL)
4305 display_type = DT_SDL;
4306 #elif defined(CONFIG_COCOA)
4307 display_type = DT_COCOA;
4308 #elif defined(CONFIG_VNC)
4309 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4310 #else
4311 display_type = DT_NONE;
4312 #endif
4313 }
4314
4315 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4316 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4317 "for SDL, ignoring option");
4318 }
4319 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4320 error_report("-no-quit is only valid for GTK and SDL, "
4321 "ignoring option");
4322 }
4323
4324 if (display_type == DT_GTK) {
4325 early_gtk_display_init(request_opengl);
4326 }
4327
4328 if (display_type == DT_SDL) {
4329 sdl_display_early_init(request_opengl);
4330 }
4331
4332 qemu_console_early_init();
4333
4334 if (request_opengl == 1 && display_opengl == 0) {
4335 #if defined(CONFIG_OPENGL)
4336 error_report("OpenGL is not supported by the display");
4337 #else
4338 error_report("OpenGL support is disabled");
4339 #endif
4340 exit(1);
4341 }
4342
4343 page_size_init();
4344 socket_init();
4345
4346 if (qemu_opts_foreach(qemu_find_opts("object"),
4347 user_creatable_add_opts_foreach,
4348 object_create_initial, NULL)) {
4349 exit(1);
4350 }
4351
4352 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4353 chardev_init_func, NULL, NULL)) {
4354 exit(1);
4355 }
4356
4357 #ifdef CONFIG_VIRTFS
4358 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4359 fsdev_init_func, NULL, NULL)) {
4360 exit(1);
4361 }
4362 #endif
4363
4364 if (qemu_opts_foreach(qemu_find_opts("device"),
4365 device_help_func, NULL, NULL)) {
4366 exit(0);
4367 }
4368
4369 machine_opts = qemu_get_machine_opts();
4370 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4371 NULL)) {
4372 object_unref(OBJECT(current_machine));
4373 exit(1);
4374 }
4375
4376 configure_accelerator(current_machine);
4377
4378 if (qtest_chrdev) {
4379 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4380 }
4381
4382 machine_opts = qemu_get_machine_opts();
4383 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4384 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4385 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4386 bios_name = qemu_opt_get(machine_opts, "firmware");
4387
4388 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4389 if (opts) {
4390 boot_order = qemu_opt_get(opts, "order");
4391 if (boot_order) {
4392 validate_bootdevices(boot_order, &error_fatal);
4393 }
4394
4395 boot_once = qemu_opt_get(opts, "once");
4396 if (boot_once) {
4397 validate_bootdevices(boot_once, &error_fatal);
4398 }
4399
4400 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4401 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4402 }
4403
4404 if (!boot_order) {
4405 boot_order = machine_class->default_boot_order;
4406 }
4407
4408 if (!kernel_cmdline) {
4409 kernel_cmdline = "";
4410 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4411 }
4412
4413 linux_boot = (kernel_filename != NULL);
4414
4415 if (!linux_boot && *kernel_cmdline != '\0') {
4416 error_report("-append only allowed with -kernel option");
4417 exit(1);
4418 }
4419
4420 if (!linux_boot && initrd_filename != NULL) {
4421 error_report("-initrd only allowed with -kernel option");
4422 exit(1);
4423 }
4424
4425 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4426 /* fall back to the -kernel/-append */
4427 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4428 }
4429
4430 os_set_line_buffering();
4431
4432 /* spice needs the timers to be initialized by this point */
4433 qemu_spice_init();
4434
4435 cpu_ticks_init();
4436 if (icount_opts) {
4437 if (!tcg_enabled()) {
4438 error_report("-icount is not allowed with hardware virtualization");
4439 exit(1);
4440 }
4441 configure_icount(icount_opts, &error_abort);
4442 qemu_opts_del(icount_opts);
4443 }
4444
4445 qemu_tcg_configure(accel_opts, &error_fatal);
4446
4447 if (default_net) {
4448 QemuOptsList *net = qemu_find_opts("net");
4449 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4450 #ifdef CONFIG_SLIRP
4451 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4452 #endif
4453 }
4454
4455 colo_info_init();
4456
4457 if (net_init_clients() < 0) {
4458 exit(1);
4459 }
4460
4461 if (qemu_opts_foreach(qemu_find_opts("object"),
4462 user_creatable_add_opts_foreach,
4463 object_create_delayed, NULL)) {
4464 exit(1);
4465 }
4466
4467 #ifdef CONFIG_TPM
4468 if (tpm_init() < 0) {
4469 exit(1);
4470 }
4471 #endif
4472
4473 /* init the bluetooth world */
4474 if (foreach_device_config(DEV_BT, bt_parse))
4475 exit(1);
4476
4477 if (!xen_enabled()) {
4478 /* On 32-bit hosts, QEMU is limited by virtual address space */
4479 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4480 error_report("at most 2047 MB RAM can be simulated");
4481 exit(1);
4482 }
4483 }
4484
4485 blk_mig_init();
4486 ram_mig_init();
4487
4488 /* If the currently selected machine wishes to override the units-per-bus
4489 * property of its default HBA interface type, do so now. */
4490 if (machine_class->units_per_default_bus) {
4491 override_max_devs(machine_class->block_default_type,
4492 machine_class->units_per_default_bus);
4493 }
4494
4495 /* open the virtual block devices */
4496 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4497 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4498
4499 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4500 loc_push_restore(&bdo->loc);
4501 qmp_blockdev_add(bdo->bdo, &error_fatal);
4502 loc_pop(&bdo->loc);
4503 qapi_free_BlockdevOptions(bdo->bdo);
4504 g_free(bdo);
4505 }
4506 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4507 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4508 NULL, NULL);
4509 }
4510 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4511 &machine_class->block_default_type, NULL)) {
4512 exit(1);
4513 }
4514
4515 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4516 CDROM_OPTS);
4517 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4518 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4519
4520 parse_numa_opts(current_machine);
4521
4522 if (qemu_opts_foreach(qemu_find_opts("mon"),
4523 mon_init_func, NULL, NULL)) {
4524 exit(1);
4525 }
4526
4527 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4528 exit(1);
4529 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4530 exit(1);
4531 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4532 exit(1);
4533 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4534 exit(1);
4535 }
4536 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4537 exit(1);
4538
4539 /* If no default VGA is requested, the default is "none". */
4540 if (default_vga) {
4541 if (machine_class->default_display) {
4542 vga_model = machine_class->default_display;
4543 } else if (vga_interface_available(VGA_CIRRUS)) {
4544 vga_model = "cirrus";
4545 } else if (vga_interface_available(VGA_STD)) {
4546 vga_model = "std";
4547 }
4548 }
4549 if (vga_model) {
4550 select_vgahw(vga_model);
4551 }
4552
4553 if (watchdog) {
4554 i = select_watchdog(watchdog);
4555 if (i > 0)
4556 exit (i == 1 ? 1 : 0);
4557 }
4558
4559 machine_register_compat_props(current_machine);
4560
4561 qemu_opts_foreach(qemu_find_opts("global"),
4562 global_init_func, NULL, NULL);
4563
4564 /* This checkpoint is required by replay to separate prior clock
4565 reading from the other reads, because timer polling functions query
4566 clock values from the log. */
4567 replay_checkpoint(CHECKPOINT_INIT);
4568 qdev_machine_init();
4569
4570 current_machine->ram_size = ram_size;
4571 current_machine->maxram_size = maxram_size;
4572 current_machine->ram_slots = ram_slots;
4573 current_machine->boot_order = boot_order;
4574 current_machine->cpu_model = cpu_model;
4575
4576 machine_run_board_init(current_machine);
4577
4578 realtime_init();
4579
4580 soundhw_init();
4581
4582 if (hax_enabled()) {
4583 hax_sync_vcpus();
4584 }
4585
4586 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4587 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4588 exit(1);
4589 }
4590
4591 /* init USB devices */
4592 if (machine_usb(current_machine)) {
4593 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4594 exit(1);
4595 }
4596
4597 /* Check if IGD GFX passthrough. */
4598 igd_gfx_passthru();
4599
4600 /* init generic devices */
4601 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4602 if (qemu_opts_foreach(qemu_find_opts("device"),
4603 device_init_func, NULL, NULL)) {
4604 exit(1);
4605 }
4606
4607 cpu_synchronize_all_post_init();
4608
4609 rom_reset_order_override();
4610
4611 /*
4612 * Create frontends for -drive if=scsi leftovers.
4613 * Normally, frontends for -drive get created by machine
4614 * initialization for onboard SCSI HBAs. However, we create a few
4615 * more ever since SCSI qdevification, but this is pretty much an
4616 * implementation accident, and deprecated.
4617 */
4618 scsi_legacy_handle_cmdline();
4619
4620 /* Did we create any drives that we failed to create a device for? */
4621 drive_check_orphaned();
4622
4623 /* Don't warn about the default network setup that you get if
4624 * no command line -net or -netdev options are specified. There
4625 * are two cases that we would otherwise complain about:
4626 * (1) board doesn't support a NIC but the implicit "-net nic"
4627 * requested one
4628 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4629 * sets up a nic that isn't connected to anything.
4630 */
4631 if (!default_net) {
4632 net_check_clients();
4633 }
4634
4635
4636 if (boot_once) {
4637 qemu_boot_set(boot_once, &error_fatal);
4638 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4639 }
4640
4641 ds = init_displaystate();
4642
4643 /* init local displays */
4644 switch (display_type) {
4645 case DT_CURSES:
4646 curses_display_init(ds, full_screen);
4647 break;
4648 case DT_SDL:
4649 sdl_display_init(ds, full_screen, no_frame);
4650 break;
4651 case DT_COCOA:
4652 cocoa_display_init(ds, full_screen);
4653 break;
4654 case DT_GTK:
4655 gtk_display_init(ds, full_screen, grab_on_hover);
4656 break;
4657 default:
4658 break;
4659 }
4660
4661 /* must be after terminal init, SDL library changes signal handlers */
4662 os_setup_signal_handling();
4663
4664 /* init remote displays */
4665 #ifdef CONFIG_VNC
4666 qemu_opts_foreach(qemu_find_opts("vnc"),
4667 vnc_init_func, NULL, NULL);
4668 #endif
4669
4670 if (using_spice) {
4671 qemu_spice_display_init();
4672 }
4673
4674 #ifdef CONFIG_OPENGL_DMABUF
4675 if (display_type == DT_EGL) {
4676 egl_headless_init();
4677 }
4678 #endif
4679
4680 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4681 exit(1);
4682 }
4683
4684 qdev_machine_creation_done();
4685
4686 /* TODO: once all bus devices are qdevified, this should be done
4687 * when bus is created by qdev.c */
4688 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4689 qemu_run_machine_init_done_notifiers();
4690
4691 if (rom_check_and_register_reset() != 0) {
4692 error_report("rom check and register reset failed");
4693 exit(1);
4694 }
4695
4696 replay_start();
4697
4698 /* This checkpoint is required by replay to separate prior clock
4699 reading from the other reads, because timer polling functions query
4700 clock values from the log. */
4701 replay_checkpoint(CHECKPOINT_RESET);
4702 qemu_system_reset(VMRESET_SILENT);
4703 register_global_state();
4704 if (replay_mode != REPLAY_MODE_NONE) {
4705 replay_vmstate_init();
4706 } else if (loadvm) {
4707 Error *local_err = NULL;
4708 if (load_vmstate(loadvm, &local_err) < 0) {
4709 error_report_err(local_err);
4710 autostart = 0;
4711 }
4712 }
4713
4714 qdev_prop_check_globals();
4715 if (vmstate_dump_file) {
4716 /* dump and exit */
4717 dump_vmstate_json_to_file(vmstate_dump_file);
4718 return 0;
4719 }
4720
4721 if (incoming) {
4722 Error *local_err = NULL;
4723 qemu_start_incoming_migration(incoming, &local_err);
4724 if (local_err) {
4725 error_reportf_err(local_err, "-incoming %s: ", incoming);
4726 exit(1);
4727 }
4728 } else if (autostart) {
4729 vm_start();
4730 }
4731
4732 os_setup_post();
4733
4734 main_loop();
4735 replay_disable_events();
4736 iothread_stop_all();
4737
4738 bdrv_close_all();
4739 pause_all_vcpus();
4740 res_free();
4741
4742 /* vhost-user must be cleaned up before chardevs. */
4743 net_cleanup();
4744 audio_cleanup();
4745 monitor_cleanup();
4746 qemu_chr_cleanup();
4747 /* TODO: unref root container, check all devices are ok */
4748
4749 return 0;
4750 }
QEMU mirror