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hyperv: factor out arch-independent API into hw/hyperv
[qemu/kevin.git] / vl.c
blobc5fffa349b6c4a1c7d2d1d1f3800e476754a9929
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
133
134 #define MAX_VIRTIO_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int display_opengl;
141 const char* keyboard_layout = NULL;
142 ram_addr_t ram_size;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 bool enable_cpu_pm = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static enum {
151 RTC_BASE_UTC,
152 RTC_BASE_LOCALTIME,
153 RTC_BASE_DATETIME,
154 } rtc_base_type = RTC_BASE_UTC;
155 static time_t rtc_ref_start_datetime;
156 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
157 static int rtc_host_datetime_offset = -1; /* valid & used only with
158 RTC_BASE_DATETIME */
159 QEMUClockType rtc_clock;
160 int vga_interface_type = VGA_NONE;
161 static DisplayOptions dpy;
162 int no_frame;
163 static int num_serial_hds;
164 static Chardev **serial_hds;
165 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
166 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
167 int win2k_install_hack = 0;
168 int singlestep = 0;
169 int smp_cpus;
170 unsigned int max_cpus;
171 int smp_cores = 1;
172 int smp_threads = 1;
173 int acpi_enabled = 1;
174 int no_hpet = 0;
175 int fd_bootchk = 1;
176 static int no_reboot;
177 int no_shutdown = 0;
178 int cursor_hide = 1;
179 int graphic_rotate = 0;
180 const char *watchdog;
181 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
182 int nb_option_roms;
183 int old_param = 0;
184 const char *qemu_name;
185 int alt_grab = 0;
186 int ctrl_grab = 0;
187 unsigned int nb_prom_envs = 0;
188 const char *prom_envs[MAX_PROM_ENVS];
189 int boot_menu;
190 bool boot_strict;
191 uint8_t *boot_splash_filedata;
192 size_t boot_splash_filedata_size;
193 uint8_t qemu_extra_params_fw[2];
194
195 int icount_align_option;
196
197 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
198 * little-endian "wire format" described in the SMBIOS 2.6 specification.
199 */
200 QemuUUID qemu_uuid;
201 bool qemu_uuid_set;
202
203 static NotifierList exit_notifiers =
204 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
205
206 static NotifierList machine_init_done_notifiers =
207 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
208
209 bool xen_allowed;
210 uint32_t xen_domid;
211 enum xen_mode xen_mode = XEN_EMULATE;
212 bool xen_domid_restrict;
213
214 static int has_defaults = 1;
215 static int default_serial = 1;
216 static int default_parallel = 1;
217 static int default_virtcon = 1;
218 static int default_monitor = 1;
219 static int default_floppy = 1;
220 static int default_cdrom = 1;
221 static int default_sdcard = 1;
222 static int default_vga = 1;
223 static int default_net = 1;
224
225 static struct {
226 const char *driver;
227 int *flag;
228 } default_list[] = {
229 { .driver = "isa-serial", .flag = &default_serial },
230 { .driver = "isa-parallel", .flag = &default_parallel },
231 { .driver = "isa-fdc", .flag = &default_floppy },
232 { .driver = "floppy", .flag = &default_floppy },
233 { .driver = "ide-cd", .flag = &default_cdrom },
234 { .driver = "ide-hd", .flag = &default_cdrom },
235 { .driver = "ide-drive", .flag = &default_cdrom },
236 { .driver = "scsi-cd", .flag = &default_cdrom },
237 { .driver = "scsi-hd", .flag = &default_cdrom },
238 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
239 { .driver = "virtio-serial", .flag = &default_virtcon },
240 { .driver = "VGA", .flag = &default_vga },
241 { .driver = "isa-vga", .flag = &default_vga },
242 { .driver = "cirrus-vga", .flag = &default_vga },
243 { .driver = "isa-cirrus-vga", .flag = &default_vga },
244 { .driver = "vmware-svga", .flag = &default_vga },
245 { .driver = "qxl-vga", .flag = &default_vga },
246 { .driver = "virtio-vga", .flag = &default_vga },
247 };
248
249 static QemuOptsList qemu_rtc_opts = {
250 .name = "rtc",
251 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
252 .merge_lists = true,
253 .desc = {
254 {
255 .name = "base",
256 .type = QEMU_OPT_STRING,
257 },{
258 .name = "clock",
259 .type = QEMU_OPT_STRING,
260 },{
261 .name = "driftfix",
262 .type = QEMU_OPT_STRING,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_option_rom_opts = {
269 .name = "option-rom",
270 .implied_opt_name = "romfile",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
272 .desc = {
273 {
274 .name = "bootindex",
275 .type = QEMU_OPT_NUMBER,
276 }, {
277 .name = "romfile",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_machine_opts = {
285 .name = "machine",
286 .implied_opt_name = "type",
287 .merge_lists = true,
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
289 .desc = {
290 /*
291 * no elements => accept any
292 * sanity checking will happen later
293 * when setting machine properties
294 */
295 { }
296 },
297 };
298
299 static QemuOptsList qemu_accel_opts = {
300 .name = "accel",
301 .implied_opt_name = "accel",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
303 .merge_lists = true,
304 .desc = {
305 {
306 .name = "accel",
307 .type = QEMU_OPT_STRING,
308 .help = "Select the type of accelerator",
309 },
310 {
311 .name = "thread",
312 .type = QEMU_OPT_STRING,
313 .help = "Enable/disable multi-threaded TCG",
314 },
315 { /* end of list */ }
316 },
317 };
318
319 static QemuOptsList qemu_boot_opts = {
320 .name = "boot-opts",
321 .implied_opt_name = "order",
322 .merge_lists = true,
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
324 .desc = {
325 {
326 .name = "order",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "once",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "menu",
333 .type = QEMU_OPT_BOOL,
334 }, {
335 .name = "splash",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "splash-time",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "reboot-timeout",
342 .type = QEMU_OPT_STRING,
343 }, {
344 .name = "strict",
345 .type = QEMU_OPT_BOOL,
346 },
347 { /*End of list */ }
348 },
349 };
350
351 static QemuOptsList qemu_add_fd_opts = {
352 .name = "add-fd",
353 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
354 .desc = {
355 {
356 .name = "fd",
357 .type = QEMU_OPT_NUMBER,
358 .help = "file descriptor of which a duplicate is added to fd set",
359 },{
360 .name = "set",
361 .type = QEMU_OPT_NUMBER,
362 .help = "ID of the fd set to add fd to",
363 },{
364 .name = "opaque",
365 .type = QEMU_OPT_STRING,
366 .help = "free-form string used to describe fd",
367 },
368 { /* end of list */ }
369 },
370 };
371
372 static QemuOptsList qemu_object_opts = {
373 .name = "object",
374 .implied_opt_name = "qom-type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
376 .desc = {
377 { }
378 },
379 };
380
381 static QemuOptsList qemu_tpmdev_opts = {
382 .name = "tpmdev",
383 .implied_opt_name = "type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
385 .desc = {
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
388 },
389 };
390
391 static QemuOptsList qemu_realtime_opts = {
392 .name = "realtime",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
394 .desc = {
395 {
396 .name = "mlock",
397 .type = QEMU_OPT_BOOL,
398 },
399 { /* end of list */ }
400 },
401 };
402
403 static QemuOptsList qemu_overcommit_opts = {
404 .name = "overcommit",
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
406 .desc = {
407 {
408 .name = "mem-lock",
409 .type = QEMU_OPT_BOOL,
410 },
411 {
412 .name = "cpu-pm",
413 .type = QEMU_OPT_BOOL,
414 },
415 { /* end of list */ }
416 },
417 };
418
419 static QemuOptsList qemu_msg_opts = {
420 .name = "msg",
421 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
422 .desc = {
423 {
424 .name = "timestamp",
425 .type = QEMU_OPT_BOOL,
426 },
427 { /* end of list */ }
428 },
429 };
430
431 static QemuOptsList qemu_name_opts = {
432 .name = "name",
433 .implied_opt_name = "guest",
434 .merge_lists = true,
435 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
436 .desc = {
437 {
438 .name = "guest",
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the guest.\n"
441 "This name will be displayed in the SDL window caption.\n"
442 "The name will also be used for the VNC server",
443 }, {
444 .name = "process",
445 .type = QEMU_OPT_STRING,
446 .help = "Sets the name of the QEMU process, as shown in top etc",
447 }, {
448 .name = "debug-threads",
449 .type = QEMU_OPT_BOOL,
450 .help = "When enabled, name the individual threads; defaults off.\n"
451 "NOTE: The thread names are for debugging and not a\n"
452 "stable API.",
453 },
454 { /* End of list */ }
455 },
456 };
457
458 static QemuOptsList qemu_mem_opts = {
459 .name = "memory",
460 .implied_opt_name = "size",
461 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
462 .merge_lists = true,
463 .desc = {
464 {
465 .name = "size",
466 .type = QEMU_OPT_SIZE,
467 },
468 {
469 .name = "slots",
470 .type = QEMU_OPT_NUMBER,
471 },
472 {
473 .name = "maxmem",
474 .type = QEMU_OPT_SIZE,
475 },
476 { /* end of list */ }
477 },
478 };
479
480 static QemuOptsList qemu_icount_opts = {
481 .name = "icount",
482 .implied_opt_name = "shift",
483 .merge_lists = true,
484 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
485 .desc = {
486 {
487 .name = "shift",
488 .type = QEMU_OPT_STRING,
489 }, {
490 .name = "align",
491 .type = QEMU_OPT_BOOL,
492 }, {
493 .name = "sleep",
494 .type = QEMU_OPT_BOOL,
495 }, {
496 .name = "rr",
497 .type = QEMU_OPT_STRING,
498 }, {
499 .name = "rrfile",
500 .type = QEMU_OPT_STRING,
501 }, {
502 .name = "rrsnapshot",
503 .type = QEMU_OPT_STRING,
504 },
505 { /* end of list */ }
506 },
507 };
508
509 static QemuOptsList qemu_semihosting_config_opts = {
510 .name = "semihosting-config",
511 .implied_opt_name = "enable",
512 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
513 .desc = {
514 {
515 .name = "enable",
516 .type = QEMU_OPT_BOOL,
517 }, {
518 .name = "target",
519 .type = QEMU_OPT_STRING,
520 }, {
521 .name = "arg",
522 .type = QEMU_OPT_STRING,
523 },
524 { /* end of list */ }
525 },
526 };
527
528 static QemuOptsList qemu_fw_cfg_opts = {
529 .name = "fw_cfg",
530 .implied_opt_name = "name",
531 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
532 .desc = {
533 {
534 .name = "name",
535 .type = QEMU_OPT_STRING,
536 .help = "Sets the fw_cfg name of the blob to be inserted",
537 }, {
538 .name = "file",
539 .type = QEMU_OPT_STRING,
540 .help = "Sets the name of the file from which\n"
541 "the fw_cfg blob will be loaded",
542 }, {
543 .name = "string",
544 .type = QEMU_OPT_STRING,
545 .help = "Sets content of the blob to be inserted from a string",
546 },
547 { /* end of list */ }
548 },
549 };
550
551 /**
552 * Get machine options
553 *
554 * Returns: machine options (never null).
555 */
556 QemuOpts *qemu_get_machine_opts(void)
557 {
558 return qemu_find_opts_singleton("machine");
559 }
560
561 const char *qemu_get_vm_name(void)
562 {
563 return qemu_name;
564 }
565
566 static void res_free(void)
567 {
568 g_free(boot_splash_filedata);
569 boot_splash_filedata = NULL;
570 }
571
572 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
573 {
574 const char *driver = qemu_opt_get(opts, "driver");
575 int i;
576
577 if (!driver)
578 return 0;
579 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
580 if (strcmp(default_list[i].driver, driver) != 0)
581 continue;
582 *(default_list[i].flag) = 0;
583 }
584 return 0;
585 }
586
587 /***********************************************************/
588 /* QEMU state */
589
590 static RunState current_run_state = RUN_STATE_PRECONFIG;
591
592 /* We use RUN_STATE__MAX but any invalid value will do */
593 static RunState vmstop_requested = RUN_STATE__MAX;
594 static QemuMutex vmstop_lock;
595
596 typedef struct {
597 RunState from;
598 RunState to;
599 } RunStateTransition;
600
601 static const RunStateTransition runstate_transitions_def[] = {
602 /* from -> to */
603 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
604 /* Early switch to inmigrate state to allow -incoming CLI option work
605 * as it used to. TODO: delay actual switching to inmigrate state to
606 * the point after machine is built and remove this hack.
607 */
608 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
609
610 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
611 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
613
614 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
615 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
617 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
620 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
621 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
626
627 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
630
631 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
632 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
634
635 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
636 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
638 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
639 { RUN_STATE_PAUSED, RUN_STATE_COLO},
640
641 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
644
645 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
646 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
648
649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
654
655 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
656 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
657
658 { RUN_STATE_COLO, RUN_STATE_RUNNING },
659
660 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
661 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
662 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
664 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
666 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
668 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
669 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
670 { RUN_STATE_RUNNING, RUN_STATE_COLO},
671
672 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
673
674 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
675 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
677
678 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
679 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
680 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
681 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
683 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
684
685 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
686 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
687 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
688 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
689
690 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
693
694 { RUN_STATE__MAX, RUN_STATE__MAX },
695 };
696
697 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
698
699 bool runstate_check(RunState state)
700 {
701 return current_run_state == state;
702 }
703
704 bool runstate_store(char *str, size_t size)
705 {
706 const char *state = RunState_str(current_run_state);
707 size_t len = strlen(state) + 1;
708
709 if (len > size) {
710 return false;
711 }
712 memcpy(str, state, len);
713 return true;
714 }
715
716 static void runstate_init(void)
717 {
718 const RunStateTransition *p;
719
720 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
721 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
722 runstate_valid_transitions[p->from][p->to] = true;
723 }
724
725 qemu_mutex_init(&vmstop_lock);
726 }
727
728 /* This function will abort() on invalid state transitions */
729 void runstate_set(RunState new_state)
730 {
731 assert(new_state < RUN_STATE__MAX);
732
733 if (current_run_state == new_state) {
734 return;
735 }
736
737 if (!runstate_valid_transitions[current_run_state][new_state]) {
738 error_report("invalid runstate transition: '%s' -> '%s'",
739 RunState_str(current_run_state),
740 RunState_str(new_state));
741 abort();
742 }
743 trace_runstate_set(new_state);
744 current_run_state = new_state;
745 }
746
747 int runstate_is_running(void)
748 {
749 return runstate_check(RUN_STATE_RUNNING);
750 }
751
752 bool runstate_needs_reset(void)
753 {
754 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
755 runstate_check(RUN_STATE_SHUTDOWN);
756 }
757
758 StatusInfo *qmp_query_status(Error **errp)
759 {
760 StatusInfo *info = g_malloc0(sizeof(*info));
761
762 info->running = runstate_is_running();
763 info->singlestep = singlestep;
764 info->status = current_run_state;
765
766 return info;
767 }
768
769 bool qemu_vmstop_requested(RunState *r)
770 {
771 qemu_mutex_lock(&vmstop_lock);
772 *r = vmstop_requested;
773 vmstop_requested = RUN_STATE__MAX;
774 qemu_mutex_unlock(&vmstop_lock);
775 return *r < RUN_STATE__MAX;
776 }
777
778 void qemu_system_vmstop_request_prepare(void)
779 {
780 qemu_mutex_lock(&vmstop_lock);
781 }
782
783 void qemu_system_vmstop_request(RunState state)
784 {
785 vmstop_requested = state;
786 qemu_mutex_unlock(&vmstop_lock);
787 qemu_notify_event();
788 }
789
790 /***********************************************************/
791 /* RTC reference time/date access */
792 static time_t qemu_ref_timedate(QEMUClockType clock)
793 {
794 time_t value = qemu_clock_get_ms(clock) / 1000;
795 switch (clock) {
796 case QEMU_CLOCK_REALTIME:
797 value -= rtc_realtime_clock_offset;
798 /* no break */
799 case QEMU_CLOCK_VIRTUAL:
800 value += rtc_ref_start_datetime;
801 break;
802 case QEMU_CLOCK_HOST:
803 if (rtc_base_type == RTC_BASE_DATETIME) {
804 value -= rtc_host_datetime_offset;
805 }
806 break;
807 default:
808 assert(0);
809 }
810 return value;
811 }
812
813 void qemu_get_timedate(struct tm *tm, int offset)
814 {
815 time_t ti = qemu_ref_timedate(rtc_clock);
816
817 ti += offset;
818
819 switch (rtc_base_type) {
820 case RTC_BASE_DATETIME:
821 case RTC_BASE_UTC:
822 gmtime_r(&ti, tm);
823 break;
824 case RTC_BASE_LOCALTIME:
825 localtime_r(&ti, tm);
826 break;
827 }
828 }
829
830 int qemu_timedate_diff(struct tm *tm)
831 {
832 time_t seconds;
833
834 switch (rtc_base_type) {
835 case RTC_BASE_DATETIME:
836 case RTC_BASE_UTC:
837 seconds = mktimegm(tm);
838 break;
839 case RTC_BASE_LOCALTIME:
840 {
841 struct tm tmp = *tm;
842 tmp.tm_isdst = -1; /* use timezone to figure it out */
843 seconds = mktime(&tmp);
844 break;
845 }
846 default:
847 abort();
848 }
849
850 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
851 }
852
853 static void configure_rtc_base_datetime(const char *startdate)
854 {
855 time_t rtc_start_datetime;
856 struct tm tm;
857
858 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
859 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
860 /* OK */
861 } else if (sscanf(startdate, "%d-%d-%d",
862 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
863 tm.tm_hour = 0;
864 tm.tm_min = 0;
865 tm.tm_sec = 0;
866 } else {
867 goto date_fail;
868 }
869 tm.tm_year -= 1900;
870 tm.tm_mon--;
871 rtc_start_datetime = mktimegm(&tm);
872 if (rtc_start_datetime == -1) {
873 date_fail:
874 error_report("invalid datetime format");
875 error_printf("valid formats: "
876 "'2006-06-17T16:01:21' or '2006-06-17'\n");
877 exit(1);
878 }
879 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
880 rtc_ref_start_datetime = rtc_start_datetime;
881 }
882
883 static void configure_rtc(QemuOpts *opts)
884 {
885 const char *value;
886
887 /* Set defaults */
888 rtc_clock = QEMU_CLOCK_HOST;
889 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
890 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
891
892 value = qemu_opt_get(opts, "base");
893 if (value) {
894 if (!strcmp(value, "utc")) {
895 rtc_base_type = RTC_BASE_UTC;
896 } else if (!strcmp(value, "localtime")) {
897 Error *blocker = NULL;
898 rtc_base_type = RTC_BASE_LOCALTIME;
899 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
900 "-rtc base=localtime");
901 replay_add_blocker(blocker);
902 } else {
903 rtc_base_type = RTC_BASE_DATETIME;
904 configure_rtc_base_datetime(value);
905 }
906 }
907 value = qemu_opt_get(opts, "clock");
908 if (value) {
909 if (!strcmp(value, "host")) {
910 rtc_clock = QEMU_CLOCK_HOST;
911 } else if (!strcmp(value, "rt")) {
912 rtc_clock = QEMU_CLOCK_REALTIME;
913 } else if (!strcmp(value, "vm")) {
914 rtc_clock = QEMU_CLOCK_VIRTUAL;
915 } else {
916 error_report("invalid option value '%s'", value);
917 exit(1);
918 }
919 }
920 value = qemu_opt_get(opts, "driftfix");
921 if (value) {
922 if (!strcmp(value, "slew")) {
923 static GlobalProperty slew_lost_ticks = {
924 .driver = "mc146818rtc",
925 .property = "lost_tick_policy",
926 .value = "slew",
927 };
928
929 qdev_prop_register_global(&slew_lost_ticks);
930 } else if (!strcmp(value, "none")) {
931 /* discard is default */
932 } else {
933 error_report("invalid option value '%s'", value);
934 exit(1);
935 }
936 }
937 }
938
939 /***********************************************************/
940 /* Bluetooth support */
941 static int nb_hcis;
942 static int cur_hci;
943 static struct HCIInfo *hci_table[MAX_NICS];
944
945 struct HCIInfo *qemu_next_hci(void)
946 {
947 if (cur_hci == nb_hcis)
948 return &null_hci;
949
950 return hci_table[cur_hci++];
951 }
952
953 static int bt_hci_parse(const char *str)
954 {
955 struct HCIInfo *hci;
956 bdaddr_t bdaddr;
957
958 if (nb_hcis >= MAX_NICS) {
959 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
960 return -1;
961 }
962
963 hci = hci_init(str);
964 if (!hci)
965 return -1;
966
967 bdaddr.b[0] = 0x52;
968 bdaddr.b[1] = 0x54;
969 bdaddr.b[2] = 0x00;
970 bdaddr.b[3] = 0x12;
971 bdaddr.b[4] = 0x34;
972 bdaddr.b[5] = 0x56 + nb_hcis;
973 hci->bdaddr_set(hci, bdaddr.b);
974
975 hci_table[nb_hcis++] = hci;
976
977 return 0;
978 }
979
980 static void bt_vhci_add(int vlan_id)
981 {
982 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
983
984 if (!vlan->slave)
985 warn_report("adding a VHCI to an empty scatternet %i",
986 vlan_id);
987
988 bt_vhci_init(bt_new_hci(vlan));
989 }
990
991 static struct bt_device_s *bt_device_add(const char *opt)
992 {
993 struct bt_scatternet_s *vlan;
994 int vlan_id = 0;
995 char *endp = strstr(opt, ",vlan=");
996 int len = (endp ? endp - opt : strlen(opt)) + 1;
997 char devname[10];
998
999 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1000
1001 if (endp) {
1002 vlan_id = strtol(endp + 6, &endp, 0);
1003 if (*endp) {
1004 error_report("unrecognised bluetooth vlan Id");
1005 return 0;
1006 }
1007 }
1008
1009 vlan = qemu_find_bt_vlan(vlan_id);
1010
1011 if (!vlan->slave)
1012 warn_report("adding a slave device to an empty scatternet %i",
1013 vlan_id);
1014
1015 if (!strcmp(devname, "keyboard"))
1016 return bt_keyboard_init(vlan);
1017
1018 error_report("unsupported bluetooth device '%s'", devname);
1019 return 0;
1020 }
1021
1022 static int bt_parse(const char *opt)
1023 {
1024 const char *endp, *p;
1025 int vlan;
1026
1027 if (strstart(opt, "hci", &endp)) {
1028 if (!*endp || *endp == ',') {
1029 if (*endp)
1030 if (!strstart(endp, ",vlan=", 0))
1031 opt = endp + 1;
1032
1033 return bt_hci_parse(opt);
1034 }
1035 } else if (strstart(opt, "vhci", &endp)) {
1036 if (!*endp || *endp == ',') {
1037 if (*endp) {
1038 if (strstart(endp, ",vlan=", &p)) {
1039 vlan = strtol(p, (char **) &endp, 0);
1040 if (*endp) {
1041 error_report("bad scatternet '%s'", p);
1042 return 1;
1043 }
1044 } else {
1045 error_report("bad parameter '%s'", endp + 1);
1046 return 1;
1047 }
1048 } else
1049 vlan = 0;
1050
1051 bt_vhci_add(vlan);
1052 return 0;
1053 }
1054 } else if (strstart(opt, "device:", &endp))
1055 return !bt_device_add(endp);
1056
1057 error_report("bad bluetooth parameter '%s'", opt);
1058 return 1;
1059 }
1060
1061 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1062 {
1063 const char *proc_name;
1064
1065 if (qemu_opt_get(opts, "debug-threads")) {
1066 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1067 }
1068 qemu_name = qemu_opt_get(opts, "guest");
1069
1070 proc_name = qemu_opt_get(opts, "process");
1071 if (proc_name) {
1072 os_set_proc_name(proc_name);
1073 }
1074
1075 return 0;
1076 }
1077
1078 bool defaults_enabled(void)
1079 {
1080 return has_defaults;
1081 }
1082
1083 #ifndef _WIN32
1084 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1085 {
1086 int fd, dupfd, flags;
1087 int64_t fdset_id;
1088 const char *fd_opaque = NULL;
1089 AddfdInfo *fdinfo;
1090
1091 fd = qemu_opt_get_number(opts, "fd", -1);
1092 fdset_id = qemu_opt_get_number(opts, "set", -1);
1093 fd_opaque = qemu_opt_get(opts, "opaque");
1094
1095 if (fd < 0) {
1096 error_report("fd option is required and must be non-negative");
1097 return -1;
1098 }
1099
1100 if (fd <= STDERR_FILENO) {
1101 error_report("fd cannot be a standard I/O stream");
1102 return -1;
1103 }
1104
1105 /*
1106 * All fds inherited across exec() necessarily have FD_CLOEXEC
1107 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1108 */
1109 flags = fcntl(fd, F_GETFD);
1110 if (flags == -1 || (flags & FD_CLOEXEC)) {
1111 error_report("fd is not valid or already in use");
1112 return -1;
1113 }
1114
1115 if (fdset_id < 0) {
1116 error_report("set option is required and must be non-negative");
1117 return -1;
1118 }
1119
1120 #ifdef F_DUPFD_CLOEXEC
1121 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1122 #else
1123 dupfd = dup(fd);
1124 if (dupfd != -1) {
1125 qemu_set_cloexec(dupfd);
1126 }
1127 #endif
1128 if (dupfd == -1) {
1129 error_report("error duplicating fd: %s", strerror(errno));
1130 return -1;
1131 }
1132
1133 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1134 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1135 &error_abort);
1136 g_free(fdinfo);
1137
1138 return 0;
1139 }
1140
1141 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1142 {
1143 int fd;
1144
1145 fd = qemu_opt_get_number(opts, "fd", -1);
1146 close(fd);
1147
1148 return 0;
1149 }
1150 #endif
1151
1152 /***********************************************************/
1153 /* QEMU Block devices */
1154
1155 #define HD_OPTS "media=disk"
1156 #define CDROM_OPTS "media=cdrom"
1157 #define FD_OPTS ""
1158 #define PFLASH_OPTS ""
1159 #define MTD_OPTS ""
1160 #define SD_OPTS ""
1161
1162 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1163 {
1164 BlockInterfaceType *block_default_type = opaque;
1165
1166 return drive_new(opts, *block_default_type) == NULL;
1167 }
1168
1169 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1170 {
1171 if (qemu_opt_get(opts, "snapshot") == NULL) {
1172 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1173 }
1174 return 0;
1175 }
1176
1177 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1178 int index, const char *optstr)
1179 {
1180 QemuOpts *opts;
1181 DriveInfo *dinfo;
1182
1183 if (!enable || drive_get_by_index(type, index)) {
1184 return;
1185 }
1186
1187 opts = drive_add(type, index, NULL, optstr);
1188 if (snapshot) {
1189 drive_enable_snapshot(NULL, opts, NULL);
1190 }
1191
1192 dinfo = drive_new(opts, type);
1193 if (!dinfo) {
1194 exit(1);
1195 }
1196 dinfo->is_default = true;
1197
1198 }
1199
1200 static QemuOptsList qemu_smp_opts = {
1201 .name = "smp-opts",
1202 .implied_opt_name = "cpus",
1203 .merge_lists = true,
1204 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1205 .desc = {
1206 {
1207 .name = "cpus",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "sockets",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "cores",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "threads",
1217 .type = QEMU_OPT_NUMBER,
1218 }, {
1219 .name = "maxcpus",
1220 .type = QEMU_OPT_NUMBER,
1221 },
1222 { /*End of list */ }
1223 },
1224 };
1225
1226 static void smp_parse(QemuOpts *opts)
1227 {
1228 if (opts) {
1229 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1230 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1231 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1232 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1233
1234 /* compute missing values, prefer sockets over cores over threads */
1235 if (cpus == 0 || sockets == 0) {
1236 sockets = sockets > 0 ? sockets : 1;
1237 cores = cores > 0 ? cores : 1;
1238 threads = threads > 0 ? threads : 1;
1239 if (cpus == 0) {
1240 cpus = cores * threads * sockets;
1241 }
1242 } else if (cores == 0) {
1243 threads = threads > 0 ? threads : 1;
1244 cores = cpus / (sockets * threads);
1245 cores = cores > 0 ? cores : 1;
1246 } else if (threads == 0) {
1247 threads = cpus / (cores * sockets);
1248 threads = threads > 0 ? threads : 1;
1249 } else if (sockets * cores * threads < cpus) {
1250 error_report("cpu topology: "
1251 "sockets (%u) * cores (%u) * threads (%u) < "
1252 "smp_cpus (%u)",
1253 sockets, cores, threads, cpus);
1254 exit(1);
1255 }
1256
1257 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1258
1259 if (max_cpus < cpus) {
1260 error_report("maxcpus must be equal to or greater than smp");
1261 exit(1);
1262 }
1263
1264 if (sockets * cores * threads > max_cpus) {
1265 error_report("cpu topology: "
1266 "sockets (%u) * cores (%u) * threads (%u) > "
1267 "maxcpus (%u)",
1268 sockets, cores, threads, max_cpus);
1269 exit(1);
1270 }
1271
1272 smp_cpus = cpus;
1273 smp_cores = cores;
1274 smp_threads = threads;
1275 }
1276
1277 if (smp_cpus > 1) {
1278 Error *blocker = NULL;
1279 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1280 replay_add_blocker(blocker);
1281 }
1282 }
1283
1284 static void realtime_init(void)
1285 {
1286 if (enable_mlock) {
1287 if (os_mlock() < 0) {
1288 error_report("locking memory failed");
1289 exit(1);
1290 }
1291 }
1292 }
1293
1294
1295 static void configure_msg(QemuOpts *opts)
1296 {
1297 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1298 }
1299
1300 /***********************************************************/
1301 /* Semihosting */
1302
1303 typedef struct SemihostingConfig {
1304 bool enabled;
1305 SemihostingTarget target;
1306 const char **argv;
1307 int argc;
1308 const char *cmdline; /* concatenated argv */
1309 } SemihostingConfig;
1310
1311 static SemihostingConfig semihosting;
1312
1313 bool semihosting_enabled(void)
1314 {
1315 return semihosting.enabled;
1316 }
1317
1318 SemihostingTarget semihosting_get_target(void)
1319 {
1320 return semihosting.target;
1321 }
1322
1323 const char *semihosting_get_arg(int i)
1324 {
1325 if (i >= semihosting.argc) {
1326 return NULL;
1327 }
1328 return semihosting.argv[i];
1329 }
1330
1331 int semihosting_get_argc(void)
1332 {
1333 return semihosting.argc;
1334 }
1335
1336 const char *semihosting_get_cmdline(void)
1337 {
1338 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1339 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1340 }
1341 return semihosting.cmdline;
1342 }
1343
1344 static int add_semihosting_arg(void *opaque,
1345 const char *name, const char *val,
1346 Error **errp)
1347 {
1348 SemihostingConfig *s = opaque;
1349 if (strcmp(name, "arg") == 0) {
1350 s->argc++;
1351 /* one extra element as g_strjoinv() expects NULL-terminated array */
1352 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1353 s->argv[s->argc - 1] = val;
1354 s->argv[s->argc] = NULL;
1355 }
1356 return 0;
1357 }
1358
1359 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1360 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1361 {
1362 char *cmd_token;
1363
1364 /* argv[0] */
1365 add_semihosting_arg(&semihosting, "arg", file, NULL);
1366
1367 /* split -append and initialize argv[1..n] */
1368 cmd_token = strtok(g_strdup(cmd), " ");
1369 while (cmd_token) {
1370 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1371 cmd_token = strtok(NULL, " ");
1372 }
1373 }
1374
1375 /* Now we still need this for compatibility with XEN. */
1376 bool has_igd_gfx_passthru;
1377 static void igd_gfx_passthru(void)
1378 {
1379 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1380 }
1381
1382 /***********************************************************/
1383 /* USB devices */
1384
1385 static int usb_device_add(const char *devname)
1386 {
1387 USBDevice *dev = NULL;
1388
1389 if (!machine_usb(current_machine)) {
1390 return -1;
1391 }
1392
1393 dev = usbdevice_create(devname);
1394 if (!dev)
1395 return -1;
1396
1397 return 0;
1398 }
1399
1400 static int usb_parse(const char *cmdline)
1401 {
1402 int r;
1403 r = usb_device_add(cmdline);
1404 if (r < 0) {
1405 error_report("could not add USB device '%s'", cmdline);
1406 }
1407 return r;
1408 }
1409
1410 /***********************************************************/
1411 /* machine registration */
1412
1413 MachineState *current_machine;
1414
1415 static MachineClass *find_machine(const char *name)
1416 {
1417 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1418 MachineClass *mc = NULL;
1419
1420 for (el = machines; el; el = el->next) {
1421 MachineClass *temp = el->data;
1422
1423 if (!strcmp(temp->name, name)) {
1424 mc = temp;
1425 break;
1426 }
1427 if (temp->alias &&
1428 !strcmp(temp->alias, name)) {
1429 mc = temp;
1430 break;
1431 }
1432 }
1433
1434 g_slist_free(machines);
1435 return mc;
1436 }
1437
1438 MachineClass *find_default_machine(void)
1439 {
1440 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1441 MachineClass *mc = NULL;
1442
1443 for (el = machines; el; el = el->next) {
1444 MachineClass *temp = el->data;
1445
1446 if (temp->is_default) {
1447 mc = temp;
1448 break;
1449 }
1450 }
1451
1452 g_slist_free(machines);
1453 return mc;
1454 }
1455
1456 MachineInfoList *qmp_query_machines(Error **errp)
1457 {
1458 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1459 MachineInfoList *mach_list = NULL;
1460
1461 for (el = machines; el; el = el->next) {
1462 MachineClass *mc = el->data;
1463 MachineInfoList *entry;
1464 MachineInfo *info;
1465
1466 info = g_malloc0(sizeof(*info));
1467 if (mc->is_default) {
1468 info->has_is_default = true;
1469 info->is_default = true;
1470 }
1471
1472 if (mc->alias) {
1473 info->has_alias = true;
1474 info->alias = g_strdup(mc->alias);
1475 }
1476
1477 info->name = g_strdup(mc->name);
1478 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1479 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1480
1481 entry = g_malloc0(sizeof(*entry));
1482 entry->value = info;
1483 entry->next = mach_list;
1484 mach_list = entry;
1485 }
1486
1487 g_slist_free(machines);
1488 return mach_list;
1489 }
1490
1491 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1492 {
1493 ObjectProperty *prop;
1494 ObjectPropertyIterator iter;
1495
1496 if (!qemu_opt_has_help_opt(opts)) {
1497 return 0;
1498 }
1499
1500 object_property_iter_init(&iter, OBJECT(machine));
1501 while ((prop = object_property_iter_next(&iter))) {
1502 if (!prop->set) {
1503 continue;
1504 }
1505
1506 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1507 prop->name, prop->type);
1508 if (prop->description) {
1509 error_printf(" (%s)\n", prop->description);
1510 } else {
1511 error_printf("\n");
1512 }
1513 }
1514
1515 return 1;
1516 }
1517
1518 /***********************************************************/
1519 /* main execution loop */
1520
1521 struct vm_change_state_entry {
1522 VMChangeStateHandler *cb;
1523 void *opaque;
1524 QLIST_ENTRY (vm_change_state_entry) entries;
1525 };
1526
1527 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1528
1529 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1530 void *opaque)
1531 {
1532 VMChangeStateEntry *e;
1533
1534 e = g_malloc0(sizeof (*e));
1535
1536 e->cb = cb;
1537 e->opaque = opaque;
1538 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1539 return e;
1540 }
1541
1542 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1543 {
1544 QLIST_REMOVE (e, entries);
1545 g_free (e);
1546 }
1547
1548 void vm_state_notify(int running, RunState state)
1549 {
1550 VMChangeStateEntry *e, *next;
1551
1552 trace_vm_state_notify(running, state);
1553
1554 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1555 e->cb(e->opaque, running, state);
1556 }
1557 }
1558
1559 static ShutdownCause reset_requested;
1560 static ShutdownCause shutdown_requested;
1561 static int shutdown_signal;
1562 static pid_t shutdown_pid;
1563 static int powerdown_requested;
1564 static int debug_requested;
1565 static int suspend_requested;
1566 static bool preconfig_exit_requested = true;
1567 static WakeupReason wakeup_reason;
1568 static NotifierList powerdown_notifiers =
1569 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1570 static NotifierList suspend_notifiers =
1571 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1572 static NotifierList wakeup_notifiers =
1573 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1574 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1575
1576 ShutdownCause qemu_shutdown_requested_get(void)
1577 {
1578 return shutdown_requested;
1579 }
1580
1581 ShutdownCause qemu_reset_requested_get(void)
1582 {
1583 return reset_requested;
1584 }
1585
1586 static int qemu_shutdown_requested(void)
1587 {
1588 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1589 }
1590
1591 static void qemu_kill_report(void)
1592 {
1593 if (!qtest_driver() && shutdown_signal) {
1594 if (shutdown_pid == 0) {
1595 /* This happens for eg ^C at the terminal, so it's worth
1596 * avoiding printing an odd message in that case.
1597 */
1598 error_report("terminating on signal %d", shutdown_signal);
1599 } else {
1600 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1601
1602 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1603 shutdown_signal, shutdown_pid,
1604 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1605 g_free(shutdown_cmd);
1606 }
1607 shutdown_signal = 0;
1608 }
1609 }
1610
1611 static ShutdownCause qemu_reset_requested(void)
1612 {
1613 ShutdownCause r = reset_requested;
1614
1615 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1616 reset_requested = SHUTDOWN_CAUSE_NONE;
1617 return r;
1618 }
1619 return SHUTDOWN_CAUSE_NONE;
1620 }
1621
1622 static int qemu_suspend_requested(void)
1623 {
1624 int r = suspend_requested;
1625 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1626 suspend_requested = 0;
1627 return r;
1628 }
1629 return false;
1630 }
1631
1632 static WakeupReason qemu_wakeup_requested(void)
1633 {
1634 return wakeup_reason;
1635 }
1636
1637 static int qemu_powerdown_requested(void)
1638 {
1639 int r = powerdown_requested;
1640 powerdown_requested = 0;
1641 return r;
1642 }
1643
1644 static int qemu_debug_requested(void)
1645 {
1646 int r = debug_requested;
1647 debug_requested = 0;
1648 return r;
1649 }
1650
1651 void qemu_exit_preconfig_request(void)
1652 {
1653 preconfig_exit_requested = true;
1654 }
1655
1656 /*
1657 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1658 */
1659 void qemu_system_reset(ShutdownCause reason)
1660 {
1661 MachineClass *mc;
1662
1663 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1664
1665 cpu_synchronize_all_states();
1666
1667 if (mc && mc->reset) {
1668 mc->reset();
1669 } else {
1670 qemu_devices_reset();
1671 }
1672 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1673 qapi_event_send_reset(shutdown_caused_by_guest(reason));
1674 }
1675 cpu_synchronize_all_post_reset();
1676 }
1677
1678 void qemu_system_guest_panicked(GuestPanicInformation *info)
1679 {
1680 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1681
1682 if (current_cpu) {
1683 current_cpu->crash_occurred = true;
1684 }
1685 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1686 !!info, info);
1687 vm_stop(RUN_STATE_GUEST_PANICKED);
1688 if (!no_shutdown) {
1689 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1690 !!info, info);
1691 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1692 }
1693
1694 if (info) {
1695 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1696 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1697 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1698 info->u.hyper_v.arg1,
1699 info->u.hyper_v.arg2,
1700 info->u.hyper_v.arg3,
1701 info->u.hyper_v.arg4,
1702 info->u.hyper_v.arg5);
1703 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1704 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1705 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1706 info->u.s390.core,
1707 S390CrashReason_str(info->u.s390.reason),
1708 info->u.s390.psw_mask,
1709 info->u.s390.psw_addr);
1710 }
1711 qapi_free_GuestPanicInformation(info);
1712 }
1713 }
1714
1715 void qemu_system_reset_request(ShutdownCause reason)
1716 {
1717 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1718 shutdown_requested = reason;
1719 } else {
1720 reset_requested = reason;
1721 }
1722 cpu_stop_current();
1723 qemu_notify_event();
1724 }
1725
1726 static void qemu_system_suspend(void)
1727 {
1728 pause_all_vcpus();
1729 notifier_list_notify(&suspend_notifiers, NULL);
1730 runstate_set(RUN_STATE_SUSPENDED);
1731 qapi_event_send_suspend();
1732 }
1733
1734 void qemu_system_suspend_request(void)
1735 {
1736 if (runstate_check(RUN_STATE_SUSPENDED)) {
1737 return;
1738 }
1739 suspend_requested = 1;
1740 cpu_stop_current();
1741 qemu_notify_event();
1742 }
1743
1744 void qemu_register_suspend_notifier(Notifier *notifier)
1745 {
1746 notifier_list_add(&suspend_notifiers, notifier);
1747 }
1748
1749 void qemu_system_wakeup_request(WakeupReason reason)
1750 {
1751 trace_system_wakeup_request(reason);
1752
1753 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1754 return;
1755 }
1756 if (!(wakeup_reason_mask & (1 << reason))) {
1757 return;
1758 }
1759 runstate_set(RUN_STATE_RUNNING);
1760 wakeup_reason = reason;
1761 qemu_notify_event();
1762 }
1763
1764 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1765 {
1766 if (enabled) {
1767 wakeup_reason_mask |= (1 << reason);
1768 } else {
1769 wakeup_reason_mask &= ~(1 << reason);
1770 }
1771 }
1772
1773 void qemu_register_wakeup_notifier(Notifier *notifier)
1774 {
1775 notifier_list_add(&wakeup_notifiers, notifier);
1776 }
1777
1778 void qemu_system_killed(int signal, pid_t pid)
1779 {
1780 shutdown_signal = signal;
1781 shutdown_pid = pid;
1782 no_shutdown = 0;
1783
1784 /* Cannot call qemu_system_shutdown_request directly because
1785 * we are in a signal handler.
1786 */
1787 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1788 qemu_notify_event();
1789 }
1790
1791 void qemu_system_shutdown_request(ShutdownCause reason)
1792 {
1793 trace_qemu_system_shutdown_request(reason);
1794 replay_shutdown_request(reason);
1795 shutdown_requested = reason;
1796 qemu_notify_event();
1797 }
1798
1799 static void qemu_system_powerdown(void)
1800 {
1801 qapi_event_send_powerdown();
1802 notifier_list_notify(&powerdown_notifiers, NULL);
1803 }
1804
1805 void qemu_system_powerdown_request(void)
1806 {
1807 trace_qemu_system_powerdown_request();
1808 powerdown_requested = 1;
1809 qemu_notify_event();
1810 }
1811
1812 void qemu_register_powerdown_notifier(Notifier *notifier)
1813 {
1814 notifier_list_add(&powerdown_notifiers, notifier);
1815 }
1816
1817 void qemu_system_debug_request(void)
1818 {
1819 debug_requested = 1;
1820 qemu_notify_event();
1821 }
1822
1823 static bool main_loop_should_exit(void)
1824 {
1825 RunState r;
1826 ShutdownCause request;
1827
1828 if (preconfig_exit_requested) {
1829 if (runstate_check(RUN_STATE_PRECONFIG)) {
1830 runstate_set(RUN_STATE_PRELAUNCH);
1831 }
1832 preconfig_exit_requested = false;
1833 return true;
1834 }
1835 if (qemu_debug_requested()) {
1836 vm_stop(RUN_STATE_DEBUG);
1837 }
1838 if (qemu_suspend_requested()) {
1839 qemu_system_suspend();
1840 }
1841 request = qemu_shutdown_requested();
1842 if (request) {
1843 qemu_kill_report();
1844 qapi_event_send_shutdown(shutdown_caused_by_guest(request));
1845 if (no_shutdown) {
1846 vm_stop(RUN_STATE_SHUTDOWN);
1847 } else {
1848 return true;
1849 }
1850 }
1851 request = qemu_reset_requested();
1852 if (request) {
1853 pause_all_vcpus();
1854 qemu_system_reset(request);
1855 resume_all_vcpus();
1856 if (!runstate_check(RUN_STATE_RUNNING) &&
1857 !runstate_check(RUN_STATE_INMIGRATE)) {
1858 runstate_set(RUN_STATE_PRELAUNCH);
1859 }
1860 }
1861 if (qemu_wakeup_requested()) {
1862 pause_all_vcpus();
1863 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1864 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1865 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1866 resume_all_vcpus();
1867 qapi_event_send_wakeup();
1868 }
1869 if (qemu_powerdown_requested()) {
1870 qemu_system_powerdown();
1871 }
1872 if (qemu_vmstop_requested(&r)) {
1873 vm_stop(r);
1874 }
1875 return false;
1876 }
1877
1878 static void main_loop(void)
1879 {
1880 #ifdef CONFIG_PROFILER
1881 int64_t ti;
1882 #endif
1883 while (!main_loop_should_exit()) {
1884 #ifdef CONFIG_PROFILER
1885 ti = profile_getclock();
1886 #endif
1887 main_loop_wait(false);
1888 #ifdef CONFIG_PROFILER
1889 dev_time += profile_getclock() - ti;
1890 #endif
1891 }
1892 }
1893
1894 static void version(void)
1895 {
1896 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1897 QEMU_COPYRIGHT "\n");
1898 }
1899
1900 static void help(int exitcode)
1901 {
1902 version();
1903 printf("usage: %s [options] [disk_image]\n\n"
1904 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1905 error_get_progname());
1906
1907 #define QEMU_OPTIONS_GENERATE_HELP
1908 #include "qemu-options-wrapper.h"
1909
1910 printf("\nDuring emulation, the following keys are useful:\n"
1911 "ctrl-alt-f toggle full screen\n"
1912 "ctrl-alt-n switch to virtual console 'n'\n"
1913 "ctrl-alt toggle mouse and keyboard grab\n"
1914 "\n"
1915 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1916 "\n"
1917 QEMU_HELP_BOTTOM "\n");
1918
1919 exit(exitcode);
1920 }
1921
1922 #define HAS_ARG 0x0001
1923
1924 typedef struct QEMUOption {
1925 const char *name;
1926 int flags;
1927 int index;
1928 uint32_t arch_mask;
1929 } QEMUOption;
1930
1931 static const QEMUOption qemu_options[] = {
1932 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1933 #define QEMU_OPTIONS_GENERATE_OPTIONS
1934 #include "qemu-options-wrapper.h"
1935 { NULL },
1936 };
1937
1938 typedef struct VGAInterfaceInfo {
1939 const char *opt_name; /* option name */
1940 const char *name; /* human-readable name */
1941 /* Class names indicating that support is available.
1942 * If no class is specified, the interface is always available */
1943 const char *class_names[2];
1944 } VGAInterfaceInfo;
1945
1946 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1947 [VGA_NONE] = {
1948 .opt_name = "none",
1949 },
1950 [VGA_STD] = {
1951 .opt_name = "std",
1952 .name = "standard VGA",
1953 .class_names = { "VGA", "isa-vga" },
1954 },
1955 [VGA_CIRRUS] = {
1956 .opt_name = "cirrus",
1957 .name = "Cirrus VGA",
1958 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1959 },
1960 [VGA_VMWARE] = {
1961 .opt_name = "vmware",
1962 .name = "VMWare SVGA",
1963 .class_names = { "vmware-svga" },
1964 },
1965 [VGA_VIRTIO] = {
1966 .opt_name = "virtio",
1967 .name = "Virtio VGA",
1968 .class_names = { "virtio-vga" },
1969 },
1970 [VGA_QXL] = {
1971 .opt_name = "qxl",
1972 .name = "QXL VGA",
1973 .class_names = { "qxl-vga" },
1974 },
1975 [VGA_TCX] = {
1976 .opt_name = "tcx",
1977 .name = "TCX framebuffer",
1978 .class_names = { "SUNW,tcx" },
1979 },
1980 [VGA_CG3] = {
1981 .opt_name = "cg3",
1982 .name = "CG3 framebuffer",
1983 .class_names = { "cgthree" },
1984 },
1985 [VGA_XENFB] = {
1986 .opt_name = "xenfb",
1987 },
1988 };
1989
1990 static bool vga_interface_available(VGAInterfaceType t)
1991 {
1992 VGAInterfaceInfo *ti = &vga_interfaces[t];
1993
1994 assert(t < VGA_TYPE_MAX);
1995 return !ti->class_names[0] ||
1996 object_class_by_name(ti->class_names[0]) ||
1997 object_class_by_name(ti->class_names[1]);
1998 }
1999
2000 static void select_vgahw(const char *p)
2001 {
2002 const char *opts;
2003 int t;
2004
2005 assert(vga_interface_type == VGA_NONE);
2006 for (t = 0; t < VGA_TYPE_MAX; t++) {
2007 VGAInterfaceInfo *ti = &vga_interfaces[t];
2008 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2009 if (!vga_interface_available(t)) {
2010 error_report("%s not available", ti->name);
2011 exit(1);
2012 }
2013 vga_interface_type = t;
2014 break;
2015 }
2016 }
2017 if (t == VGA_TYPE_MAX) {
2018 invalid_vga:
2019 error_report("unknown vga type: %s", p);
2020 exit(1);
2021 }
2022 while (*opts) {
2023 const char *nextopt;
2024
2025 if (strstart(opts, ",retrace=", &nextopt)) {
2026 opts = nextopt;
2027 if (strstart(opts, "dumb", &nextopt))
2028 vga_retrace_method = VGA_RETRACE_DUMB;
2029 else if (strstart(opts, "precise", &nextopt))
2030 vga_retrace_method = VGA_RETRACE_PRECISE;
2031 else goto invalid_vga;
2032 } else goto invalid_vga;
2033 opts = nextopt;
2034 }
2035 }
2036
2037 static void parse_display_qapi(const char *optarg)
2038 {
2039 Error *err = NULL;
2040 DisplayOptions *opts;
2041 Visitor *v;
2042
2043 v = qobject_input_visitor_new_str(optarg, "type", &err);
2044 if (!v) {
2045 error_report_err(err);
2046 exit(1);
2047 }
2048
2049 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2050 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2051
2052 qapi_free_DisplayOptions(opts);
2053 visit_free(v);
2054 }
2055
2056 static void parse_display(const char *p)
2057 {
2058 const char *opts;
2059
2060 if (strstart(p, "sdl", &opts)) {
2061 /*
2062 * sdl DisplayType needs hand-crafted parser instead of
2063 * parse_display_qapi() due to some options not in
2064 * DisplayOptions, specifically:
2065 * - frame
2066 * Already deprecated.
2067 * - ctrl_grab + alt_grab
2068 * Not clear yet what happens to them long-term. Should
2069 * replaced by something better or deprecated and dropped.
2070 */
2071 dpy.type = DISPLAY_TYPE_SDL;
2072 while (*opts) {
2073 const char *nextopt;
2074
2075 if (strstart(opts, ",frame=", &nextopt)) {
2076 g_printerr("The frame= sdl option is deprecated, and will be\n"
2077 "removed in a future release.\n");
2078 opts = nextopt;
2079 if (strstart(opts, "on", &nextopt)) {
2080 no_frame = 0;
2081 } else if (strstart(opts, "off", &nextopt)) {
2082 no_frame = 1;
2083 } else {
2084 goto invalid_sdl_args;
2085 }
2086 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2087 opts = nextopt;
2088 if (strstart(opts, "on", &nextopt)) {
2089 alt_grab = 1;
2090 } else if (strstart(opts, "off", &nextopt)) {
2091 alt_grab = 0;
2092 } else {
2093 goto invalid_sdl_args;
2094 }
2095 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2096 opts = nextopt;
2097 if (strstart(opts, "on", &nextopt)) {
2098 ctrl_grab = 1;
2099 } else if (strstart(opts, "off", &nextopt)) {
2100 ctrl_grab = 0;
2101 } else {
2102 goto invalid_sdl_args;
2103 }
2104 } else if (strstart(opts, ",window_close=", &nextopt)) {
2105 opts = nextopt;
2106 dpy.has_window_close = true;
2107 if (strstart(opts, "on", &nextopt)) {
2108 dpy.window_close = true;
2109 } else if (strstart(opts, "off", &nextopt)) {
2110 dpy.window_close = false;
2111 } else {
2112 goto invalid_sdl_args;
2113 }
2114 } else if (strstart(opts, ",gl=", &nextopt)) {
2115 opts = nextopt;
2116 dpy.has_gl = true;
2117 if (strstart(opts, "on", &nextopt)) {
2118 dpy.gl = DISPLAYGL_MODE_ON;
2119 } else if (strstart(opts, "core", &nextopt)) {
2120 dpy.gl = DISPLAYGL_MODE_CORE;
2121 } else if (strstart(opts, "es", &nextopt)) {
2122 dpy.gl = DISPLAYGL_MODE_ES;
2123 } else if (strstart(opts, "off", &nextopt)) {
2124 dpy.gl = DISPLAYGL_MODE_OFF;
2125 } else {
2126 goto invalid_sdl_args;
2127 }
2128 } else {
2129 invalid_sdl_args:
2130 error_report("invalid SDL option string");
2131 exit(1);
2132 }
2133 opts = nextopt;
2134 }
2135 } else if (strstart(p, "vnc", &opts)) {
2136 /*
2137 * vnc isn't a (local) DisplayType but a protocol for remote
2138 * display access.
2139 */
2140 if (*opts == '=') {
2141 vnc_parse(opts + 1, &error_fatal);
2142 } else {
2143 error_report("VNC requires a display argument vnc=<display>");
2144 exit(1);
2145 }
2146 } else {
2147 parse_display_qapi(p);
2148 }
2149 }
2150
2151 char *qemu_find_file(int type, const char *name)
2152 {
2153 int i;
2154 const char *subdir;
2155 char *buf;
2156
2157 /* Try the name as a straight path first */
2158 if (access(name, R_OK) == 0) {
2159 trace_load_file(name, name);
2160 return g_strdup(name);
2161 }
2162
2163 switch (type) {
2164 case QEMU_FILE_TYPE_BIOS:
2165 subdir = "";
2166 break;
2167 case QEMU_FILE_TYPE_KEYMAP:
2168 subdir = "keymaps/";
2169 break;
2170 default:
2171 abort();
2172 }
2173
2174 for (i = 0; i < data_dir_idx; i++) {
2175 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2176 if (access(buf, R_OK) == 0) {
2177 trace_load_file(name, buf);
2178 return buf;
2179 }
2180 g_free(buf);
2181 }
2182 return NULL;
2183 }
2184
2185 static void qemu_add_data_dir(const char *path)
2186 {
2187 int i;
2188
2189 if (path == NULL) {
2190 return;
2191 }
2192 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2193 return;
2194 }
2195 for (i = 0; i < data_dir_idx; i++) {
2196 if (strcmp(data_dir[i], path) == 0) {
2197 return; /* duplicate */
2198 }
2199 }
2200 data_dir[data_dir_idx++] = g_strdup(path);
2201 }
2202
2203 static inline bool nonempty_str(const char *str)
2204 {
2205 return str && *str;
2206 }
2207
2208 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2209 {
2210 gchar *buf;
2211 size_t size;
2212 const char *name, *file, *str;
2213 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2214
2215 if (fw_cfg == NULL) {
2216 error_report("fw_cfg device not available");
2217 return -1;
2218 }
2219 name = qemu_opt_get(opts, "name");
2220 file = qemu_opt_get(opts, "file");
2221 str = qemu_opt_get(opts, "string");
2222
2223 /* we need name and either a file or the content string */
2224 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2225 error_report("invalid argument(s)");
2226 return -1;
2227 }
2228 if (nonempty_str(file) && nonempty_str(str)) {
2229 error_report("file and string are mutually exclusive");
2230 return -1;
2231 }
2232 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2233 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2234 return -1;
2235 }
2236 if (strncmp(name, "opt/", 4) != 0) {
2237 warn_report("externally provided fw_cfg item names "
2238 "should be prefixed with \"opt/\"");
2239 }
2240 if (nonempty_str(str)) {
2241 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2242 buf = g_memdup(str, size);
2243 } else {
2244 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2245 error_report("can't load %s", file);
2246 return -1;
2247 }
2248 }
2249 /* For legacy, keep user files in a specific global order. */
2250 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2251 fw_cfg_add_file(fw_cfg, name, buf, size);
2252 fw_cfg_reset_order_override(fw_cfg);
2253 return 0;
2254 }
2255
2256 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2257 {
2258 return qdev_device_help(opts);
2259 }
2260
2261 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2262 {
2263 Error *err = NULL;
2264 DeviceState *dev;
2265
2266 dev = qdev_device_add(opts, &err);
2267 if (!dev) {
2268 error_report_err(err);
2269 return -1;
2270 }
2271 object_unref(OBJECT(dev));
2272 return 0;
2273 }
2274
2275 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2276 {
2277 Error *local_err = NULL;
2278
2279 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2280 if (local_err) {
2281 error_report_err(local_err);
2282 return -1;
2283 }
2284 exit(0);
2285 }
2286 return 0;
2287 }
2288
2289 #ifdef CONFIG_VIRTFS
2290 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2291 {
2292 return qemu_fsdev_add(opts);
2293 }
2294 #endif
2295
2296 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2297 {
2298 Chardev *chr;
2299 const char *chardev;
2300 const char *mode;
2301 int flags;
2302
2303 mode = qemu_opt_get(opts, "mode");
2304 if (mode == NULL) {
2305 mode = "readline";
2306 }
2307 if (strcmp(mode, "readline") == 0) {
2308 flags = MONITOR_USE_READLINE;
2309 } else if (strcmp(mode, "control") == 0) {
2310 flags = MONITOR_USE_CONTROL;
2311 } else {
2312 error_report("unknown monitor mode \"%s\"", mode);
2313 exit(1);
2314 }
2315
2316 if (qemu_opt_get_bool(opts, "pretty", 0))
2317 flags |= MONITOR_USE_PRETTY;
2318
2319 /* OOB is off by default */
2320 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2321 flags |= MONITOR_USE_OOB;
2322 }
2323
2324 chardev = qemu_opt_get(opts, "chardev");
2325 chr = qemu_chr_find(chardev);
2326 if (chr == NULL) {
2327 error_report("chardev \"%s\" not found", chardev);
2328 exit(1);
2329 }
2330
2331 monitor_init(chr, flags);
2332 return 0;
2333 }
2334
2335 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2336 {
2337 static int monitor_device_index = 0;
2338 QemuOpts *opts;
2339 const char *p;
2340 char label[32];
2341
2342 if (strstart(optarg, "chardev:", &p)) {
2343 snprintf(label, sizeof(label), "%s", p);
2344 } else {
2345 snprintf(label, sizeof(label), "compat_monitor%d",
2346 monitor_device_index);
2347 opts = qemu_chr_parse_compat(label, optarg, true);
2348 if (!opts) {
2349 error_report("parse error: %s", optarg);
2350 exit(1);
2351 }
2352 }
2353
2354 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2355 qemu_opt_set(opts, "mode", mode, &error_abort);
2356 qemu_opt_set(opts, "chardev", label, &error_abort);
2357 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2358 monitor_device_index++;
2359 }
2360
2361 struct device_config {
2362 enum {
2363 DEV_USB, /* -usbdevice */
2364 DEV_BT, /* -bt */
2365 DEV_SERIAL, /* -serial */
2366 DEV_PARALLEL, /* -parallel */
2367 DEV_VIRTCON, /* -virtioconsole */
2368 DEV_DEBUGCON, /* -debugcon */
2369 DEV_GDB, /* -gdb, -s */
2370 DEV_SCLP, /* s390 sclp */
2371 } type;
2372 const char *cmdline;
2373 Location loc;
2374 QTAILQ_ENTRY(device_config) next;
2375 };
2376
2377 static QTAILQ_HEAD(, device_config) device_configs =
2378 QTAILQ_HEAD_INITIALIZER(device_configs);
2379
2380 static void add_device_config(int type, const char *cmdline)
2381 {
2382 struct device_config *conf;
2383
2384 conf = g_malloc0(sizeof(*conf));
2385 conf->type = type;
2386 conf->cmdline = cmdline;
2387 loc_save(&conf->loc);
2388 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2389 }
2390
2391 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2392 {
2393 struct device_config *conf;
2394 int rc;
2395
2396 QTAILQ_FOREACH(conf, &device_configs, next) {
2397 if (conf->type != type)
2398 continue;
2399 loc_push_restore(&conf->loc);
2400 rc = func(conf->cmdline);
2401 loc_pop(&conf->loc);
2402 if (rc) {
2403 return rc;
2404 }
2405 }
2406 return 0;
2407 }
2408
2409 static int serial_parse(const char *devname)
2410 {
2411 int index = num_serial_hds;
2412 char label[32];
2413
2414 if (strcmp(devname, "none") == 0)
2415 return 0;
2416 snprintf(label, sizeof(label), "serial%d", index);
2417 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2418
2419 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2420 if (!serial_hds[index]) {
2421 error_report("could not connect serial device"
2422 " to character backend '%s'", devname);
2423 return -1;
2424 }
2425 num_serial_hds++;
2426 return 0;
2427 }
2428
2429 Chardev *serial_hd(int i)
2430 {
2431 assert(i >= 0);
2432 if (i < num_serial_hds) {
2433 return serial_hds[i];
2434 }
2435 return NULL;
2436 }
2437
2438 int serial_max_hds(void)
2439 {
2440 return num_serial_hds;
2441 }
2442
2443 static int parallel_parse(const char *devname)
2444 {
2445 static int index = 0;
2446 char label[32];
2447
2448 if (strcmp(devname, "none") == 0)
2449 return 0;
2450 if (index == MAX_PARALLEL_PORTS) {
2451 error_report("too many parallel ports");
2452 exit(1);
2453 }
2454 snprintf(label, sizeof(label), "parallel%d", index);
2455 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2456 if (!parallel_hds[index]) {
2457 error_report("could not connect parallel device"
2458 " to character backend '%s'", devname);
2459 return -1;
2460 }
2461 index++;
2462 return 0;
2463 }
2464
2465 static int virtcon_parse(const char *devname)
2466 {
2467 QemuOptsList *device = qemu_find_opts("device");
2468 static int index = 0;
2469 char label[32];
2470 QemuOpts *bus_opts, *dev_opts;
2471
2472 if (strcmp(devname, "none") == 0)
2473 return 0;
2474 if (index == MAX_VIRTIO_CONSOLES) {
2475 error_report("too many virtio consoles");
2476 exit(1);
2477 }
2478
2479 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2480 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2481
2482 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2483 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2484
2485 snprintf(label, sizeof(label), "virtcon%d", index);
2486 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2487 if (!virtcon_hds[index]) {
2488 error_report("could not connect virtio console"
2489 " to character backend '%s'", devname);
2490 return -1;
2491 }
2492 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2493
2494 index++;
2495 return 0;
2496 }
2497
2498 static int debugcon_parse(const char *devname)
2499 {
2500 QemuOpts *opts;
2501
2502 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2503 exit(1);
2504 }
2505 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2506 if (!opts) {
2507 error_report("already have a debugcon device");
2508 exit(1);
2509 }
2510 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2511 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2512 return 0;
2513 }
2514
2515 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2516 {
2517 const MachineClass *mc1 = a, *mc2 = b;
2518 int res;
2519
2520 if (mc1->family == NULL) {
2521 if (mc2->family == NULL) {
2522 /* Compare standalone machine types against each other; they sort
2523 * in increasing order.
2524 */
2525 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2526 object_class_get_name(OBJECT_CLASS(mc2)));
2527 }
2528
2529 /* Standalone machine types sort after families. */
2530 return 1;
2531 }
2532
2533 if (mc2->family == NULL) {
2534 /* Families sort before standalone machine types. */
2535 return -1;
2536 }
2537
2538 /* Families sort between each other alphabetically increasingly. */
2539 res = strcmp(mc1->family, mc2->family);
2540 if (res != 0) {
2541 return res;
2542 }
2543
2544 /* Within the same family, machine types sort in decreasing order. */
2545 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2546 object_class_get_name(OBJECT_CLASS(mc1)));
2547 }
2548
2549 static MachineClass *machine_parse(const char *name)
2550 {
2551 MachineClass *mc = NULL;
2552 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2553
2554 if (name) {
2555 mc = find_machine(name);
2556 }
2557 if (mc) {
2558 g_slist_free(machines);
2559 return mc;
2560 }
2561 if (name && !is_help_option(name)) {
2562 error_report("unsupported machine type");
2563 error_printf("Use -machine help to list supported machines\n");
2564 } else {
2565 printf("Supported machines are:\n");
2566 machines = g_slist_sort(machines, machine_class_cmp);
2567 for (el = machines; el; el = el->next) {
2568 MachineClass *mc = el->data;
2569 if (mc->alias) {
2570 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2571 }
2572 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2573 mc->is_default ? " (default)" : "",
2574 mc->deprecation_reason ? " (deprecated)" : "");
2575 }
2576 }
2577
2578 g_slist_free(machines);
2579 exit(!name || !is_help_option(name));
2580 }
2581
2582 void qemu_add_exit_notifier(Notifier *notify)
2583 {
2584 notifier_list_add(&exit_notifiers, notify);
2585 }
2586
2587 void qemu_remove_exit_notifier(Notifier *notify)
2588 {
2589 notifier_remove(notify);
2590 }
2591
2592 static void qemu_run_exit_notifiers(void)
2593 {
2594 notifier_list_notify(&exit_notifiers, NULL);
2595 }
2596
2597 static const char *pid_file;
2598 static Notifier qemu_unlink_pidfile_notifier;
2599
2600 static void qemu_unlink_pidfile(Notifier *n, void *data)
2601 {
2602 if (pid_file) {
2603 unlink(pid_file);
2604 }
2605 }
2606
2607 bool machine_init_done;
2608
2609 void qemu_add_machine_init_done_notifier(Notifier *notify)
2610 {
2611 notifier_list_add(&machine_init_done_notifiers, notify);
2612 if (machine_init_done) {
2613 notify->notify(notify, NULL);
2614 }
2615 }
2616
2617 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2618 {
2619 notifier_remove(notify);
2620 }
2621
2622 static void qemu_run_machine_init_done_notifiers(void)
2623 {
2624 machine_init_done = true;
2625 notifier_list_notify(&machine_init_done_notifiers, NULL);
2626 }
2627
2628 static const QEMUOption *lookup_opt(int argc, char **argv,
2629 const char **poptarg, int *poptind)
2630 {
2631 const QEMUOption *popt;
2632 int optind = *poptind;
2633 char *r = argv[optind];
2634 const char *optarg;
2635
2636 loc_set_cmdline(argv, optind, 1);
2637 optind++;
2638 /* Treat --foo the same as -foo. */
2639 if (r[1] == '-')
2640 r++;
2641 popt = qemu_options;
2642 for(;;) {
2643 if (!popt->name) {
2644 error_report("invalid option");
2645 exit(1);
2646 }
2647 if (!strcmp(popt->name, r + 1))
2648 break;
2649 popt++;
2650 }
2651 if (popt->flags & HAS_ARG) {
2652 if (optind >= argc) {
2653 error_report("requires an argument");
2654 exit(1);
2655 }
2656 optarg = argv[optind++];
2657 loc_set_cmdline(argv, optind - 2, 2);
2658 } else {
2659 optarg = NULL;
2660 }
2661
2662 *poptarg = optarg;
2663 *poptind = optind;
2664
2665 return popt;
2666 }
2667
2668 static MachineClass *select_machine(void)
2669 {
2670 MachineClass *machine_class = find_default_machine();
2671 const char *optarg;
2672 QemuOpts *opts;
2673 Location loc;
2674
2675 loc_push_none(&loc);
2676
2677 opts = qemu_get_machine_opts();
2678 qemu_opts_loc_restore(opts);
2679
2680 optarg = qemu_opt_get(opts, "type");
2681 if (optarg) {
2682 machine_class = machine_parse(optarg);
2683 }
2684
2685 if (!machine_class) {
2686 error_report("No machine specified, and there is no default");
2687 error_printf("Use -machine help to list supported machines\n");
2688 exit(1);
2689 }
2690
2691 loc_pop(&loc);
2692 return machine_class;
2693 }
2694
2695 static int machine_set_property(void *opaque,
2696 const char *name, const char *value,
2697 Error **errp)
2698 {
2699 Object *obj = OBJECT(opaque);
2700 Error *local_err = NULL;
2701 char *p, *qom_name;
2702
2703 if (strcmp(name, "type") == 0) {
2704 return 0;
2705 }
2706
2707 qom_name = g_strdup(name);
2708 for (p = qom_name; *p; p++) {
2709 if (*p == '_') {
2710 *p = '-';
2711 }
2712 }
2713
2714 object_property_parse(obj, value, qom_name, &local_err);
2715 g_free(qom_name);
2716
2717 if (local_err) {
2718 error_report_err(local_err);
2719 return -1;
2720 }
2721
2722 return 0;
2723 }
2724
2725
2726 /*
2727 * Initial object creation happens before all other
2728 * QEMU data types are created. The majority of objects
2729 * can be created at this point. The rng-egd object
2730 * cannot be created here, as it depends on the chardev
2731 * already existing.
2732 */
2733 static bool object_create_initial(const char *type, QemuOpts *opts)
2734 {
2735 ObjectClass *klass;
2736
2737 if (is_help_option(type)) {
2738 GSList *l, *list;
2739
2740 printf("List of user creatable objects:\n");
2741 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2742 for (l = list; l != NULL; l = l->next) {
2743 ObjectClass *oc = OBJECT_CLASS(l->data);
2744 printf("%s\n", object_class_get_name(oc));
2745 }
2746 g_slist_free(list);
2747 exit(0);
2748 }
2749
2750 klass = object_class_by_name(type);
2751 if (klass && qemu_opt_has_help_opt(opts)) {
2752 ObjectPropertyIterator iter;
2753 ObjectProperty *prop;
2754 GPtrArray *array = g_ptr_array_new();
2755 int i;
2756
2757 object_class_property_iter_init(&iter, klass);
2758 while ((prop = object_property_iter_next(&iter))) {
2759 GString *str;
2760
2761 if (!prop->set) {
2762 continue;
2763 }
2764
2765 str = g_string_new(NULL);
2766 g_string_append_printf(str, "%s.%s=%s", type,
2767 prop->name, prop->type);
2768 if (prop->description) {
2769 g_string_append_printf(str, " - %s", prop->description);
2770 }
2771 g_ptr_array_add(array, g_string_free(str, false));
2772 }
2773 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2774 for (i = 0; i < array->len; i++) {
2775 printf("%s\n", (char *)array->pdata[i]);
2776 }
2777 g_ptr_array_set_free_func(array, g_free);
2778 g_ptr_array_free(array, true);
2779 exit(0);
2780 }
2781
2782 if (g_str_equal(type, "rng-egd") ||
2783 g_str_has_prefix(type, "pr-manager-")) {
2784 return false;
2785 }
2786
2787 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2788 if (g_str_equal(type, "cryptodev-vhost-user")) {
2789 return false;
2790 }
2791 #endif
2792
2793 /*
2794 * return false for concrete netfilters since
2795 * they depend on netdevs already existing
2796 */
2797 if (g_str_equal(type, "filter-buffer") ||
2798 g_str_equal(type, "filter-dump") ||
2799 g_str_equal(type, "filter-mirror") ||
2800 g_str_equal(type, "filter-redirector") ||
2801 g_str_equal(type, "colo-compare") ||
2802 g_str_equal(type, "filter-rewriter") ||
2803 g_str_equal(type, "filter-replay")) {
2804 return false;
2805 }
2806
2807 /* Memory allocation by backends needs to be done
2808 * after configure_accelerator() (due to the tcg_enabled()
2809 * checks at memory_region_init_*()).
2810 *
2811 * Also, allocation of large amounts of memory may delay
2812 * chardev initialization for too long, and trigger timeouts
2813 * on software that waits for a monitor socket to be created
2814 * (e.g. libvirt).
2815 */
2816 if (g_str_has_prefix(type, "memory-backend-")) {
2817 return false;
2818 }
2819
2820 return true;
2821 }
2822
2823
2824 /*
2825 * The remainder of object creation happens after the
2826 * creation of chardev, fsdev, net clients and device data types.
2827 */
2828 static bool object_create_delayed(const char *type, QemuOpts *opts)
2829 {
2830 return !object_create_initial(type, opts);
2831 }
2832
2833
2834 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2835 MachineClass *mc)
2836 {
2837 uint64_t sz;
2838 const char *mem_str;
2839 const ram_addr_t default_ram_size = mc->default_ram_size;
2840 QemuOpts *opts = qemu_find_opts_singleton("memory");
2841 Location loc;
2842
2843 loc_push_none(&loc);
2844 qemu_opts_loc_restore(opts);
2845
2846 sz = 0;
2847 mem_str = qemu_opt_get(opts, "size");
2848 if (mem_str) {
2849 if (!*mem_str) {
2850 error_report("missing 'size' option value");
2851 exit(EXIT_FAILURE);
2852 }
2853
2854 sz = qemu_opt_get_size(opts, "size", ram_size);
2855
2856 /* Fix up legacy suffix-less format */
2857 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2858 uint64_t overflow_check = sz;
2859
2860 sz *= MiB;
2861 if (sz / MiB != overflow_check) {
2862 error_report("too large 'size' option value");
2863 exit(EXIT_FAILURE);
2864 }
2865 }
2866 }
2867
2868 /* backward compatibility behaviour for case "-m 0" */
2869 if (sz == 0) {
2870 sz = default_ram_size;
2871 }
2872
2873 sz = QEMU_ALIGN_UP(sz, 8192);
2874 ram_size = sz;
2875 if (ram_size != sz) {
2876 error_report("ram size too large");
2877 exit(EXIT_FAILURE);
2878 }
2879
2880 /* store value for the future use */
2881 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2882 *maxram_size = ram_size;
2883
2884 if (qemu_opt_get(opts, "maxmem")) {
2885 uint64_t slots;
2886
2887 sz = qemu_opt_get_size(opts, "maxmem", 0);
2888 slots = qemu_opt_get_number(opts, "slots", 0);
2889 if (sz < ram_size) {
2890 error_report("invalid value of -m option maxmem: "
2891 "maximum memory size (0x%" PRIx64 ") must be at least "
2892 "the initial memory size (0x" RAM_ADDR_FMT ")",
2893 sz, ram_size);
2894 exit(EXIT_FAILURE);
2895 } else if (slots && sz == ram_size) {
2896 error_report("invalid value of -m option maxmem: "
2897 "memory slots were specified but maximum memory size "
2898 "(0x%" PRIx64 ") is equal to the initial memory size "
2899 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2900 exit(EXIT_FAILURE);
2901 }
2902
2903 *maxram_size = sz;
2904 *ram_slots = slots;
2905 } else if (qemu_opt_get(opts, "slots")) {
2906 error_report("invalid -m option value: missing 'maxmem' option");
2907 exit(EXIT_FAILURE);
2908 }
2909
2910 loc_pop(&loc);
2911 }
2912
2913 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2914 {
2915 GlobalProperty *g;
2916
2917 g = g_malloc0(sizeof(*g));
2918 g->driver = qemu_opt_get(opts, "driver");
2919 g->property = qemu_opt_get(opts, "property");
2920 g->value = qemu_opt_get(opts, "value");
2921 g->user_provided = true;
2922 g->errp = &error_fatal;
2923 qdev_prop_register_global(g);
2924 return 0;
2925 }
2926
2927 static int qemu_read_default_config_file(void)
2928 {
2929 int ret;
2930
2931 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2932 if (ret < 0 && ret != -ENOENT) {
2933 return ret;
2934 }
2935
2936 return 0;
2937 }
2938
2939 static void user_register_global_props(void)
2940 {
2941 qemu_opts_foreach(qemu_find_opts("global"),
2942 global_init_func, NULL, NULL);
2943 }
2944
2945 /*
2946 * Note: we should see that these properties are actually having a
2947 * priority: accel < machine < user. This means e.g. when user
2948 * specifies something in "-global", it'll always be used with highest
2949 * priority than either machine/accelerator compat properties.
2950 */
2951 static void register_global_properties(MachineState *ms)
2952 {
2953 accel_register_compat_props(ms->accelerator);
2954 machine_register_compat_props(ms);
2955 user_register_global_props();
2956 }
2957
2958 int main(int argc, char **argv, char **envp)
2959 {
2960 int i;
2961 int snapshot, linux_boot;
2962 const char *initrd_filename;
2963 const char *kernel_filename, *kernel_cmdline;
2964 const char *boot_order = NULL;
2965 const char *boot_once = NULL;
2966 DisplayState *ds;
2967 QemuOpts *opts, *machine_opts;
2968 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2969 QemuOptsList *olist;
2970 int optind;
2971 const char *optarg;
2972 const char *loadvm = NULL;
2973 MachineClass *machine_class;
2974 const char *cpu_model;
2975 const char *vga_model = NULL;
2976 const char *qtest_chrdev = NULL;
2977 const char *qtest_log = NULL;
2978 const char *incoming = NULL;
2979 bool userconfig = true;
2980 bool nographic = false;
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 char *dir, **dirs;
2992 typedef struct BlockdevOptions_queue {
2993 BlockdevOptions *bdo;
2994 Location loc;
2995 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2996 } BlockdevOptions_queue;
2997 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2998 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2999
3000 module_call_init(MODULE_INIT_TRACE);
3001
3002 qemu_init_cpu_list();
3003 qemu_init_cpu_loop();
3004
3005 qemu_mutex_lock_iothread();
3006
3007 atexit(qemu_run_exit_notifiers);
3008 error_set_progname(argv[0]);
3009 qemu_init_exec_dir(argv[0]);
3010
3011 module_call_init(MODULE_INIT_QOM);
3012
3013 qemu_add_opts(&qemu_drive_opts);
3014 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3015 qemu_add_drive_opts(&qemu_common_drive_opts);
3016 qemu_add_drive_opts(&qemu_drive_opts);
3017 qemu_add_drive_opts(&bdrv_runtime_opts);
3018 qemu_add_opts(&qemu_chardev_opts);
3019 qemu_add_opts(&qemu_device_opts);
3020 qemu_add_opts(&qemu_netdev_opts);
3021 qemu_add_opts(&qemu_nic_opts);
3022 qemu_add_opts(&qemu_net_opts);
3023 qemu_add_opts(&qemu_rtc_opts);
3024 qemu_add_opts(&qemu_global_opts);
3025 qemu_add_opts(&qemu_mon_opts);
3026 qemu_add_opts(&qemu_trace_opts);
3027 qemu_add_opts(&qemu_option_rom_opts);
3028 qemu_add_opts(&qemu_machine_opts);
3029 qemu_add_opts(&qemu_accel_opts);
3030 qemu_add_opts(&qemu_mem_opts);
3031 qemu_add_opts(&qemu_smp_opts);
3032 qemu_add_opts(&qemu_boot_opts);
3033 qemu_add_opts(&qemu_add_fd_opts);
3034 qemu_add_opts(&qemu_object_opts);
3035 qemu_add_opts(&qemu_tpmdev_opts);
3036 qemu_add_opts(&qemu_realtime_opts);
3037 qemu_add_opts(&qemu_overcommit_opts);
3038 qemu_add_opts(&qemu_msg_opts);
3039 qemu_add_opts(&qemu_name_opts);
3040 qemu_add_opts(&qemu_numa_opts);
3041 qemu_add_opts(&qemu_icount_opts);
3042 qemu_add_opts(&qemu_semihosting_config_opts);
3043 qemu_add_opts(&qemu_fw_cfg_opts);
3044 module_call_init(MODULE_INIT_OPTS);
3045
3046 runstate_init();
3047 postcopy_infrastructure_init();
3048 monitor_init_globals();
3049
3050 if (qcrypto_init(&err) < 0) {
3051 error_reportf_err(err, "cannot initialize crypto: ");
3052 exit(1);
3053 }
3054
3055 QLIST_INIT (&vm_change_state_head);
3056 os_setup_early_signal_handling();
3057
3058 cpu_model = NULL;
3059 snapshot = 0;
3060
3061 nb_nics = 0;
3062
3063 bdrv_init_with_whitelist();
3064
3065 autostart = 1;
3066
3067 /* first pass of option parsing */
3068 optind = 1;
3069 while (optind < argc) {
3070 if (argv[optind][0] != '-') {
3071 /* disk image */
3072 optind++;
3073 } else {
3074 const QEMUOption *popt;
3075
3076 popt = lookup_opt(argc, argv, &optarg, &optind);
3077 switch (popt->index) {
3078 case QEMU_OPTION_nouserconfig:
3079 userconfig = false;
3080 break;
3081 }
3082 }
3083 }
3084
3085 if (userconfig) {
3086 if (qemu_read_default_config_file() < 0) {
3087 exit(1);
3088 }
3089 }
3090
3091 /* second pass of option parsing */
3092 optind = 1;
3093 for(;;) {
3094 if (optind >= argc)
3095 break;
3096 if (argv[optind][0] != '-') {
3097 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3098 } else {
3099 const QEMUOption *popt;
3100
3101 popt = lookup_opt(argc, argv, &optarg, &optind);
3102 if (!(popt->arch_mask & arch_type)) {
3103 error_report("Option not supported for this target");
3104 exit(1);
3105 }
3106 switch(popt->index) {
3107 case QEMU_OPTION_cpu:
3108 /* hw initialization will check this */
3109 cpu_model = optarg;
3110 break;
3111 case QEMU_OPTION_hda:
3112 case QEMU_OPTION_hdb:
3113 case QEMU_OPTION_hdc:
3114 case QEMU_OPTION_hdd:
3115 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3116 HD_OPTS);
3117 break;
3118 case QEMU_OPTION_blockdev:
3119 {
3120 Visitor *v;
3121 BlockdevOptions_queue *bdo;
3122
3123 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3124 if (!v) {
3125 error_report_err(err);
3126 exit(1);
3127 }
3128
3129 bdo = g_new(BlockdevOptions_queue, 1);
3130 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3131 &error_fatal);
3132 visit_free(v);
3133 loc_save(&bdo->loc);
3134 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3135 break;
3136 }
3137 case QEMU_OPTION_drive:
3138 if (drive_def(optarg) == NULL) {
3139 exit(1);
3140 }
3141 break;
3142 case QEMU_OPTION_set:
3143 if (qemu_set_option(optarg) != 0)
3144 exit(1);
3145 break;
3146 case QEMU_OPTION_global:
3147 if (qemu_global_option(optarg) != 0)
3148 exit(1);
3149 break;
3150 case QEMU_OPTION_mtdblock:
3151 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3152 break;
3153 case QEMU_OPTION_sd:
3154 drive_add(IF_SD, -1, optarg, SD_OPTS);
3155 break;
3156 case QEMU_OPTION_pflash:
3157 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3158 break;
3159 case QEMU_OPTION_snapshot:
3160 snapshot = 1;
3161 break;
3162 case QEMU_OPTION_numa:
3163 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3164 optarg, true);
3165 if (!opts) {
3166 exit(1);
3167 }
3168 break;
3169 case QEMU_OPTION_display:
3170 parse_display(optarg);
3171 break;
3172 case QEMU_OPTION_nographic:
3173 olist = qemu_find_opts("machine");
3174 qemu_opts_parse_noisily(olist, "graphics=off", false);
3175 nographic = true;
3176 dpy.type = DISPLAY_TYPE_NONE;
3177 break;
3178 case QEMU_OPTION_curses:
3179 #ifdef CONFIG_CURSES
3180 dpy.type = DISPLAY_TYPE_CURSES;
3181 #else
3182 error_report("curses support is disabled");
3183 exit(1);
3184 #endif
3185 break;
3186 case QEMU_OPTION_portrait:
3187 graphic_rotate = 90;
3188 break;
3189 case QEMU_OPTION_rotate:
3190 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3191 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3192 graphic_rotate != 180 && graphic_rotate != 270) {
3193 error_report("only 90, 180, 270 deg rotation is available");
3194 exit(1);
3195 }
3196 break;
3197 case QEMU_OPTION_kernel:
3198 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3199 &error_abort);
3200 break;
3201 case QEMU_OPTION_initrd:
3202 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3203 &error_abort);
3204 break;
3205 case QEMU_OPTION_append:
3206 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3207 &error_abort);
3208 break;
3209 case QEMU_OPTION_dtb:
3210 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3211 &error_abort);
3212 break;
3213 case QEMU_OPTION_cdrom:
3214 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3215 break;
3216 case QEMU_OPTION_boot:
3217 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3218 optarg, true);
3219 if (!opts) {
3220 exit(1);
3221 }
3222 break;
3223 case QEMU_OPTION_fda:
3224 case QEMU_OPTION_fdb:
3225 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3226 optarg, FD_OPTS);
3227 break;
3228 case QEMU_OPTION_no_fd_bootchk:
3229 fd_bootchk = 0;
3230 break;
3231 case QEMU_OPTION_netdev:
3232 default_net = 0;
3233 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3234 exit(1);
3235 }
3236 break;
3237 case QEMU_OPTION_nic:
3238 default_net = 0;
3239 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3240 exit(1);
3241 }
3242 break;
3243 case QEMU_OPTION_net:
3244 default_net = 0;
3245 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3246 exit(1);
3247 }
3248 break;
3249 #ifdef CONFIG_LIBISCSI
3250 case QEMU_OPTION_iscsi:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3252 optarg, false);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 break;
3257 #endif
3258 case QEMU_OPTION_bt:
3259 add_device_config(DEV_BT, optarg);
3260 break;
3261 case QEMU_OPTION_audio_help:
3262 AUD_help ();
3263 exit (0);
3264 break;
3265 case QEMU_OPTION_soundhw:
3266 select_soundhw (optarg);
3267 break;
3268 case QEMU_OPTION_h:
3269 help(0);
3270 break;
3271 case QEMU_OPTION_version:
3272 version();
3273 exit(0);
3274 break;
3275 case QEMU_OPTION_m:
3276 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3277 optarg, true);
3278 if (!opts) {
3279 exit(EXIT_FAILURE);
3280 }
3281 break;
3282 #ifdef CONFIG_TPM
3283 case QEMU_OPTION_tpmdev:
3284 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3285 exit(1);
3286 }
3287 break;
3288 #endif
3289 case QEMU_OPTION_mempath:
3290 mem_path = optarg;
3291 break;
3292 case QEMU_OPTION_mem_prealloc:
3293 mem_prealloc = 1;
3294 break;
3295 case QEMU_OPTION_d:
3296 log_mask = optarg;
3297 break;
3298 case QEMU_OPTION_D:
3299 log_file = optarg;
3300 break;
3301 case QEMU_OPTION_DFILTER:
3302 qemu_set_dfilter_ranges(optarg, &error_fatal);
3303 break;
3304 case QEMU_OPTION_s:
3305 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3306 break;
3307 case QEMU_OPTION_gdb:
3308 add_device_config(DEV_GDB, optarg);
3309 break;
3310 case QEMU_OPTION_L:
3311 if (is_help_option(optarg)) {
3312 list_data_dirs = true;
3313 } else {
3314 qemu_add_data_dir(optarg);
3315 }
3316 break;
3317 case QEMU_OPTION_bios:
3318 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3319 &error_abort);
3320 break;
3321 case QEMU_OPTION_singlestep:
3322 singlestep = 1;
3323 break;
3324 case QEMU_OPTION_S:
3325 autostart = 0;
3326 break;
3327 case QEMU_OPTION_k:
3328 keyboard_layout = optarg;
3329 break;
3330 case QEMU_OPTION_vga:
3331 vga_model = optarg;
3332 default_vga = 0;
3333 break;
3334 case QEMU_OPTION_g:
3335 {
3336 const char *p;
3337 int w, h, depth;
3338 p = optarg;
3339 w = strtol(p, (char **)&p, 10);
3340 if (w <= 0) {
3341 graphic_error:
3342 error_report("invalid resolution or depth");
3343 exit(1);
3344 }
3345 if (*p != 'x')
3346 goto graphic_error;
3347 p++;
3348 h = strtol(p, (char **)&p, 10);
3349 if (h <= 0)
3350 goto graphic_error;
3351 if (*p == 'x') {
3352 p++;
3353 depth = strtol(p, (char **)&p, 10);
3354 if (depth != 8 && depth != 15 && depth != 16 &&
3355 depth != 24 && depth != 32)
3356 goto graphic_error;
3357 } else if (*p == '\0') {
3358 depth = graphic_depth;
3359 } else {
3360 goto graphic_error;
3361 }
3362
3363 graphic_width = w;
3364 graphic_height = h;
3365 graphic_depth = depth;
3366 }
3367 break;
3368 case QEMU_OPTION_echr:
3369 {
3370 char *r;
3371 term_escape_char = strtol(optarg, &r, 0);
3372 if (r == optarg)
3373 printf("Bad argument to echr\n");
3374 break;
3375 }
3376 case QEMU_OPTION_monitor:
3377 default_monitor = 0;
3378 if (strncmp(optarg, "none", 4)) {
3379 monitor_parse(optarg, "readline", false);
3380 }
3381 break;
3382 case QEMU_OPTION_qmp:
3383 monitor_parse(optarg, "control", false);
3384 default_monitor = 0;
3385 break;
3386 case QEMU_OPTION_qmp_pretty:
3387 monitor_parse(optarg, "control", true);
3388 default_monitor = 0;
3389 break;
3390 case QEMU_OPTION_mon:
3391 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3392 true);
3393 if (!opts) {
3394 exit(1);
3395 }
3396 default_monitor = 0;
3397 break;
3398 case QEMU_OPTION_chardev:
3399 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3400 optarg, true);
3401 if (!opts) {
3402 exit(1);
3403 }
3404 break;
3405 case QEMU_OPTION_fsdev:
3406 olist = qemu_find_opts("fsdev");
3407 if (!olist) {
3408 error_report("fsdev support is disabled");
3409 exit(1);
3410 }
3411 opts = qemu_opts_parse_noisily(olist, optarg, true);
3412 if (!opts) {
3413 exit(1);
3414 }
3415 break;
3416 case QEMU_OPTION_virtfs: {
3417 QemuOpts *fsdev;
3418 QemuOpts *device;
3419 const char *writeout, *sock_fd, *socket, *path, *security_model;
3420
3421 olist = qemu_find_opts("virtfs");
3422 if (!olist) {
3423 error_report("virtfs support is disabled");
3424 exit(1);
3425 }
3426 opts = qemu_opts_parse_noisily(olist, optarg, true);
3427 if (!opts) {
3428 exit(1);
3429 }
3430
3431 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3432 qemu_opt_get(opts, "mount_tag") == NULL) {
3433 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3434 exit(1);
3435 }
3436 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3437 qemu_opts_id(opts) ?:
3438 qemu_opt_get(opts, "mount_tag"),
3439 1, NULL);
3440 if (!fsdev) {
3441 error_report("duplicate or invalid fsdev id: %s",
3442 qemu_opt_get(opts, "mount_tag"));
3443 exit(1);
3444 }
3445
3446 writeout = qemu_opt_get(opts, "writeout");
3447 if (writeout) {
3448 #ifdef CONFIG_SYNC_FILE_RANGE
3449 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3450 #else
3451 error_report("writeout=immediate not supported "
3452 "on this platform");
3453 exit(1);
3454 #endif
3455 }
3456 qemu_opt_set(fsdev, "fsdriver",
3457 qemu_opt_get(opts, "fsdriver"), &error_abort);
3458 path = qemu_opt_get(opts, "path");
3459 if (path) {
3460 qemu_opt_set(fsdev, "path", path, &error_abort);
3461 }
3462 security_model = qemu_opt_get(opts, "security_model");
3463 if (security_model) {
3464 qemu_opt_set(fsdev, "security_model", security_model,
3465 &error_abort);
3466 }
3467 socket = qemu_opt_get(opts, "socket");
3468 if (socket) {
3469 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3470 }
3471 sock_fd = qemu_opt_get(opts, "sock_fd");
3472 if (sock_fd) {
3473 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3474 }
3475
3476 qemu_opt_set_bool(fsdev, "readonly",
3477 qemu_opt_get_bool(opts, "readonly", 0),
3478 &error_abort);
3479 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3480 &error_abort);
3481 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3482 qemu_opt_set(device, "fsdev",
3483 qemu_opts_id(fsdev), &error_abort);
3484 qemu_opt_set(device, "mount_tag",
3485 qemu_opt_get(opts, "mount_tag"), &error_abort);
3486 break;
3487 }
3488 case QEMU_OPTION_virtfs_synth: {
3489 QemuOpts *fsdev;
3490 QemuOpts *device;
3491
3492 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3493 1, NULL);
3494 if (!fsdev) {
3495 error_report("duplicate option: %s", "virtfs_synth");
3496 exit(1);
3497 }
3498 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3499
3500 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3501 &error_abort);
3502 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3503 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3504 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3505 break;
3506 }
3507 case QEMU_OPTION_serial:
3508 add_device_config(DEV_SERIAL, optarg);
3509 default_serial = 0;
3510 if (strncmp(optarg, "mon:", 4) == 0) {
3511 default_monitor = 0;
3512 }
3513 break;
3514 case QEMU_OPTION_watchdog:
3515 if (watchdog) {
3516 error_report("only one watchdog option may be given");
3517 return 1;
3518 }
3519 watchdog = optarg;
3520 break;
3521 case QEMU_OPTION_watchdog_action:
3522 if (select_watchdog_action(optarg) == -1) {
3523 error_report("unknown -watchdog-action parameter");
3524 exit(1);
3525 }
3526 break;
3527 case QEMU_OPTION_virtiocon:
3528 warn_report("This option is deprecated, "
3529 "use '-device virtconsole' instead");
3530 add_device_config(DEV_VIRTCON, optarg);
3531 default_virtcon = 0;
3532 if (strncmp(optarg, "mon:", 4) == 0) {
3533 default_monitor = 0;
3534 }
3535 break;
3536 case QEMU_OPTION_parallel:
3537 add_device_config(DEV_PARALLEL, optarg);
3538 default_parallel = 0;
3539 if (strncmp(optarg, "mon:", 4) == 0) {
3540 default_monitor = 0;
3541 }
3542 break;
3543 case QEMU_OPTION_debugcon:
3544 add_device_config(DEV_DEBUGCON, optarg);
3545 break;
3546 case QEMU_OPTION_loadvm:
3547 loadvm = optarg;
3548 break;
3549 case QEMU_OPTION_full_screen:
3550 dpy.has_full_screen = true;
3551 dpy.full_screen = true;
3552 break;
3553 case QEMU_OPTION_no_frame:
3554 g_printerr("The -no-frame switch is deprecated, and will be\n"
3555 "removed in a future release.\n");
3556 no_frame = 1;
3557 break;
3558 case QEMU_OPTION_alt_grab:
3559 alt_grab = 1;
3560 break;
3561 case QEMU_OPTION_ctrl_grab:
3562 ctrl_grab = 1;
3563 break;
3564 case QEMU_OPTION_no_quit:
3565 dpy.has_window_close = true;
3566 dpy.window_close = false;
3567 break;
3568 case QEMU_OPTION_sdl:
3569 #ifdef CONFIG_SDL
3570 dpy.type = DISPLAY_TYPE_SDL;
3571 break;
3572 #else
3573 error_report("SDL support is disabled");
3574 exit(1);
3575 #endif
3576 case QEMU_OPTION_pidfile:
3577 pid_file = optarg;
3578 break;
3579 case QEMU_OPTION_win2k_hack:
3580 win2k_install_hack = 1;
3581 break;
3582 case QEMU_OPTION_acpitable:
3583 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3584 optarg, true);
3585 if (!opts) {
3586 exit(1);
3587 }
3588 acpi_table_add(opts, &error_fatal);
3589 break;
3590 case QEMU_OPTION_smbios:
3591 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3592 optarg, false);
3593 if (!opts) {
3594 exit(1);
3595 }
3596 smbios_entry_add(opts, &error_fatal);
3597 break;
3598 case QEMU_OPTION_fwcfg:
3599 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3600 optarg, true);
3601 if (opts == NULL) {
3602 exit(1);
3603 }
3604 break;
3605 case QEMU_OPTION_preconfig:
3606 preconfig_exit_requested = false;
3607 break;
3608 case QEMU_OPTION_enable_kvm:
3609 olist = qemu_find_opts("machine");
3610 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3611 break;
3612 case QEMU_OPTION_enable_hax:
3613 warn_report("Option is deprecated, use '-accel hax' instead");
3614 olist = qemu_find_opts("machine");
3615 qemu_opts_parse_noisily(olist, "accel=hax", false);
3616 break;
3617 case QEMU_OPTION_M:
3618 case QEMU_OPTION_machine:
3619 olist = qemu_find_opts("machine");
3620 opts = qemu_opts_parse_noisily(olist, optarg, true);
3621 if (!opts) {
3622 exit(1);
3623 }
3624 break;
3625 case QEMU_OPTION_no_kvm:
3626 olist = qemu_find_opts("machine");
3627 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3628 break;
3629 case QEMU_OPTION_accel:
3630 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3631 optarg, true);
3632 optarg = qemu_opt_get(accel_opts, "accel");
3633 if (!optarg || is_help_option(optarg)) {
3634 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3635 exit(0);
3636 }
3637 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3638 false, &error_abort);
3639 qemu_opt_set(opts, "accel", optarg, &error_abort);
3640 break;
3641 case QEMU_OPTION_usb:
3642 olist = qemu_find_opts("machine");
3643 qemu_opts_parse_noisily(olist, "usb=on", false);
3644 break;
3645 case QEMU_OPTION_usbdevice:
3646 error_report("'-usbdevice' is deprecated, please use "
3647 "'-device usb-...' instead");
3648 olist = qemu_find_opts("machine");
3649 qemu_opts_parse_noisily(olist, "usb=on", false);
3650 add_device_config(DEV_USB, optarg);
3651 break;
3652 case QEMU_OPTION_device:
3653 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3654 optarg, true)) {
3655 exit(1);
3656 }
3657 break;
3658 case QEMU_OPTION_smp:
3659 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3660 optarg, true)) {
3661 exit(1);
3662 }
3663 break;
3664 case QEMU_OPTION_vnc:
3665 vnc_parse(optarg, &error_fatal);
3666 break;
3667 case QEMU_OPTION_no_acpi:
3668 acpi_enabled = 0;
3669 break;
3670 case QEMU_OPTION_no_hpet:
3671 no_hpet = 1;
3672 break;
3673 case QEMU_OPTION_no_reboot:
3674 no_reboot = 1;
3675 break;
3676 case QEMU_OPTION_no_shutdown:
3677 no_shutdown = 1;
3678 break;
3679 case QEMU_OPTION_show_cursor:
3680 cursor_hide = 0;
3681 break;
3682 case QEMU_OPTION_uuid:
3683 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3684 error_report("failed to parse UUID string: wrong format");
3685 exit(1);
3686 }
3687 qemu_uuid_set = true;
3688 break;
3689 case QEMU_OPTION_option_rom:
3690 if (nb_option_roms >= MAX_OPTION_ROMS) {
3691 error_report("too many option ROMs");
3692 exit(1);
3693 }
3694 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3695 optarg, true);
3696 if (!opts) {
3697 exit(1);
3698 }
3699 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3700 option_rom[nb_option_roms].bootindex =
3701 qemu_opt_get_number(opts, "bootindex", -1);
3702 if (!option_rom[nb_option_roms].name) {
3703 error_report("Option ROM file is not specified");
3704 exit(1);
3705 }
3706 nb_option_roms++;
3707 break;
3708 case QEMU_OPTION_semihosting:
3709 semihosting.enabled = true;
3710 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3711 break;
3712 case QEMU_OPTION_semihosting_config:
3713 semihosting.enabled = true;
3714 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3715 optarg, false);
3716 if (opts != NULL) {
3717 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3718 true);
3719 const char *target = qemu_opt_get(opts, "target");
3720 if (target != NULL) {
3721 if (strcmp("native", target) == 0) {
3722 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3723 } else if (strcmp("gdb", target) == 0) {
3724 semihosting.target = SEMIHOSTING_TARGET_GDB;
3725 } else if (strcmp("auto", target) == 0) {
3726 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3727 } else {
3728 error_report("unsupported semihosting-config %s",
3729 optarg);
3730 exit(1);
3731 }
3732 } else {
3733 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3734 }
3735 /* Set semihosting argument count and vector */
3736 qemu_opt_foreach(opts, add_semihosting_arg,
3737 &semihosting, NULL);
3738 } else {
3739 error_report("unsupported semihosting-config %s", optarg);
3740 exit(1);
3741 }
3742 break;
3743 case QEMU_OPTION_name:
3744 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3745 optarg, true);
3746 if (!opts) {
3747 exit(1);
3748 }
3749 break;
3750 case QEMU_OPTION_prom_env:
3751 if (nb_prom_envs >= MAX_PROM_ENVS) {
3752 error_report("too many prom variables");
3753 exit(1);
3754 }
3755 prom_envs[nb_prom_envs] = optarg;
3756 nb_prom_envs++;
3757 break;
3758 case QEMU_OPTION_old_param:
3759 old_param = 1;
3760 break;
3761 case QEMU_OPTION_clock:
3762 /* Clock options no longer exist. Keep this option for
3763 * backward compatibility.
3764 */
3765 warn_report("This option is ignored and will be removed soon");
3766 break;
3767 case QEMU_OPTION_rtc:
3768 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3769 false);
3770 if (!opts) {
3771 exit(1);
3772 }
3773 break;
3774 case QEMU_OPTION_tb_size:
3775 #ifndef CONFIG_TCG
3776 error_report("TCG is disabled");
3777 exit(1);
3778 #endif
3779 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3780 error_report("Invalid argument to -tb-size");
3781 exit(1);
3782 }
3783 break;
3784 case QEMU_OPTION_icount:
3785 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3786 optarg, true);
3787 if (!icount_opts) {
3788 exit(1);
3789 }
3790 break;
3791 case QEMU_OPTION_incoming:
3792 if (!incoming) {
3793 runstate_set(RUN_STATE_INMIGRATE);
3794 }
3795 incoming = optarg;
3796 break;
3797 case QEMU_OPTION_only_migratable:
3798 /*
3799 * TODO: we can remove this option one day, and we
3800 * should all use:
3801 *
3802 * "-global migration.only-migratable=true"
3803 */
3804 qemu_global_option("migration.only-migratable=true");
3805 break;
3806 case QEMU_OPTION_nodefaults:
3807 has_defaults = 0;
3808 break;
3809 case QEMU_OPTION_xen_domid:
3810 if (!(xen_available())) {
3811 error_report("Option not supported for this target");
3812 exit(1);
3813 }
3814 xen_domid = atoi(optarg);
3815 break;
3816 case QEMU_OPTION_xen_create:
3817 if (!(xen_available())) {
3818 error_report("Option not supported for this target");
3819 exit(1);
3820 }
3821 xen_mode = XEN_CREATE;
3822 break;
3823 case QEMU_OPTION_xen_attach:
3824 if (!(xen_available())) {
3825 error_report("Option not supported for this target");
3826 exit(1);
3827 }
3828 xen_mode = XEN_ATTACH;
3829 break;
3830 case QEMU_OPTION_xen_domid_restrict:
3831 if (!(xen_available())) {
3832 error_report("Option not supported for this target");
3833 exit(1);
3834 }
3835 xen_domid_restrict = true;
3836 break;
3837 case QEMU_OPTION_trace:
3838 g_free(trace_file);
3839 trace_file = trace_opt_parse(optarg);
3840 break;
3841 case QEMU_OPTION_readconfig:
3842 {
3843 int ret = qemu_read_config_file(optarg);
3844 if (ret < 0) {
3845 error_report("read config %s: %s", optarg,
3846 strerror(-ret));
3847 exit(1);
3848 }
3849 break;
3850 }
3851 case QEMU_OPTION_spice:
3852 olist = qemu_find_opts("spice");
3853 if (!olist) {
3854 error_report("spice support is disabled");
3855 exit(1);
3856 }
3857 opts = qemu_opts_parse_noisily(olist, optarg, false);
3858 if (!opts) {
3859 exit(1);
3860 }
3861 display_remote++;
3862 break;
3863 case QEMU_OPTION_writeconfig:
3864 {
3865 FILE *fp;
3866 if (strcmp(optarg, "-") == 0) {
3867 fp = stdout;
3868 } else {
3869 fp = fopen(optarg, "w");
3870 if (fp == NULL) {
3871 error_report("open %s: %s", optarg,
3872 strerror(errno));
3873 exit(1);
3874 }
3875 }
3876 qemu_config_write(fp);
3877 if (fp != stdout) {
3878 fclose(fp);
3879 }
3880 break;
3881 }
3882 case QEMU_OPTION_qtest:
3883 qtest_chrdev = optarg;
3884 break;
3885 case QEMU_OPTION_qtest_log:
3886 qtest_log = optarg;
3887 break;
3888 case QEMU_OPTION_sandbox:
3889 #ifdef CONFIG_SECCOMP
3890 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3891 optarg, true);
3892 if (!opts) {
3893 exit(1);
3894 }
3895 #else
3896 error_report("-sandbox support is not enabled "
3897 "in this QEMU binary");
3898 exit(1);
3899 #endif
3900 break;
3901 case QEMU_OPTION_add_fd:
3902 #ifndef _WIN32
3903 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3904 optarg, false);
3905 if (!opts) {
3906 exit(1);
3907 }
3908 #else
3909 error_report("File descriptor passing is disabled on this "
3910 "platform");
3911 exit(1);
3912 #endif
3913 break;
3914 case QEMU_OPTION_object:
3915 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3916 optarg, true);
3917 if (!opts) {
3918 exit(1);
3919 }
3920 break;
3921 case QEMU_OPTION_realtime:
3922 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3923 optarg, false);
3924 if (!opts) {
3925 exit(1);
3926 }
3927 /* Don't override the -overcommit option if set */
3928 enable_mlock = enable_mlock ||
3929 qemu_opt_get_bool(opts, "mlock", true);
3930 break;
3931 case QEMU_OPTION_overcommit:
3932 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3933 optarg, false);
3934 if (!opts) {
3935 exit(1);
3936 }
3937 /* Don't override the -realtime option if set */
3938 enable_mlock = enable_mlock ||
3939 qemu_opt_get_bool(opts, "mem-lock", false);
3940 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3941 break;
3942 case QEMU_OPTION_msg:
3943 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3944 false);
3945 if (!opts) {
3946 exit(1);
3947 }
3948 configure_msg(opts);
3949 break;
3950 case QEMU_OPTION_dump_vmstate:
3951 if (vmstate_dump_file) {
3952 error_report("only one '-dump-vmstate' "
3953 "option may be given");
3954 exit(1);
3955 }
3956 vmstate_dump_file = fopen(optarg, "w");
3957 if (vmstate_dump_file == NULL) {
3958 error_report("open %s: %s", optarg, strerror(errno));
3959 exit(1);
3960 }
3961 break;
3962 case QEMU_OPTION_enable_sync_profile:
3963 qsp_enable();
3964 break;
3965 case QEMU_OPTION_nouserconfig:
3966 /* Nothing to be parsed here. Especially, do not error out below. */
3967 break;
3968 default:
3969 if (os_parse_cmd_args(popt->index, optarg)) {
3970 error_report("Option not supported in this build");
3971 exit(1);
3972 }
3973 }
3974 }
3975 }
3976 /*
3977 * Clear error location left behind by the loop.
3978 * Best done right after the loop. Do not insert code here!
3979 */
3980 loc_set_none();
3981
3982 replay_configure(icount_opts);
3983
3984 if (incoming && !preconfig_exit_requested) {
3985 error_report("'preconfig' and 'incoming' options are "
3986 "mutually exclusive");
3987 exit(EXIT_FAILURE);
3988 }
3989
3990 configure_rtc(qemu_find_opts_singleton("rtc"));
3991
3992 machine_class = select_machine();
3993
3994 set_memory_options(&ram_slots, &maxram_size, machine_class);
3995
3996 os_daemonize();
3997 rcu_disable_atfork();
3998
3999 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4000 error_reportf_err(err, "cannot create PID file: ");
4001 exit(1);
4002 }
4003
4004 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4005 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4006
4007 if (qemu_init_main_loop(&main_loop_err)) {
4008 error_report_err(main_loop_err);
4009 exit(1);
4010 }
4011
4012 #ifdef CONFIG_SECCOMP
4013 olist = qemu_find_opts_err("sandbox", NULL);
4014 if (olist && qemu_opts_foreach(olist, parse_sandbox, NULL, NULL)) {
4015 exit(1);
4016 }
4017 #endif
4018
4019 if (qemu_opts_foreach(qemu_find_opts("name"),
4020 parse_name, NULL, NULL)) {
4021 exit(1);
4022 }
4023
4024 #ifndef _WIN32
4025 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4026 parse_add_fd, NULL, NULL)) {
4027 exit(1);
4028 }
4029
4030 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4031 cleanup_add_fd, NULL, NULL)) {
4032 exit(1);
4033 }
4034 #endif
4035
4036 current_machine = MACHINE(object_new(object_class_get_name(
4037 OBJECT_CLASS(machine_class))));
4038 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4039 exit(0);
4040 }
4041 object_property_add_child(object_get_root(), "machine",
4042 OBJECT(current_machine), &error_abort);
4043
4044 if (machine_class->minimum_page_bits) {
4045 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4046 /* This would be a board error: specifying a minimum smaller than
4047 * a target's compile-time fixed setting.
4048 */
4049 g_assert_not_reached();
4050 }
4051 }
4052
4053 cpu_exec_init_all();
4054
4055 if (machine_class->hw_version) {
4056 qemu_set_hw_version(machine_class->hw_version);
4057 }
4058
4059 if (cpu_model && is_help_option(cpu_model)) {
4060 list_cpus(stdout, &fprintf, cpu_model);
4061 exit(0);
4062 }
4063
4064 if (!trace_init_backends()) {
4065 exit(1);
4066 }
4067 trace_init_file(trace_file);
4068
4069 /* Open the logfile at this point and set the log mask if necessary.
4070 */
4071 if (log_file) {
4072 qemu_set_log_filename(log_file, &error_fatal);
4073 }
4074
4075 if (log_mask) {
4076 int mask;
4077 mask = qemu_str_to_log_mask(log_mask);
4078 if (!mask) {
4079 qemu_print_log_usage(stdout);
4080 exit(1);
4081 }
4082 qemu_set_log(mask);
4083 } else {
4084 qemu_set_log(0);
4085 }
4086
4087 /* add configured firmware directories */
4088 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4089 for (i = 0; dirs[i] != NULL; i++) {
4090 qemu_add_data_dir(dirs[i]);
4091 }
4092 g_strfreev(dirs);
4093
4094 /* try to find datadir relative to the executable path */
4095 dir = os_find_datadir();
4096 qemu_add_data_dir(dir);
4097 g_free(dir);
4098
4099 /* add the datadir specified when building */
4100 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4101
4102 /* -L help lists the data directories and exits. */
4103 if (list_data_dirs) {
4104 for (i = 0; i < data_dir_idx; i++) {
4105 printf("%s\n", data_dir[i]);
4106 }
4107 exit(0);
4108 }
4109
4110 /* machine_class: default to UP */
4111 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4112 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4113 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4114
4115 /* default to machine_class->default_cpus */
4116 smp_cpus = machine_class->default_cpus;
4117 max_cpus = machine_class->default_cpus;
4118
4119 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4120
4121 /* sanity-check smp_cpus and max_cpus against machine_class */
4122 if (smp_cpus < machine_class->min_cpus) {
4123 error_report("Invalid SMP CPUs %d. The min CPUs "
4124 "supported by machine '%s' is %d", smp_cpus,
4125 machine_class->name, machine_class->min_cpus);
4126 exit(1);
4127 }
4128 if (max_cpus > machine_class->max_cpus) {
4129 error_report("Invalid SMP CPUs %d. The max CPUs "
4130 "supported by machine '%s' is %d", max_cpus,
4131 machine_class->name, machine_class->max_cpus);
4132 exit(1);
4133 }
4134
4135 /*
4136 * Get the default machine options from the machine if it is not already
4137 * specified either by the configuration file or by the command line.
4138 */
4139 if (machine_class->default_machine_opts) {
4140 qemu_opts_set_defaults(qemu_find_opts("machine"),
4141 machine_class->default_machine_opts, 0);
4142 }
4143
4144 qemu_opts_foreach(qemu_find_opts("device"),
4145 default_driver_check, NULL, NULL);
4146 qemu_opts_foreach(qemu_find_opts("global"),
4147 default_driver_check, NULL, NULL);
4148
4149 if (!vga_model && !default_vga) {
4150 vga_interface_type = VGA_DEVICE;
4151 }
4152 if (!has_defaults || machine_class->no_serial) {
4153 default_serial = 0;
4154 }
4155 if (!has_defaults || machine_class->no_parallel) {
4156 default_parallel = 0;
4157 }
4158 if (!has_defaults || !machine_class->use_virtcon) {
4159 default_virtcon = 0;
4160 }
4161 if (!has_defaults || machine_class->no_floppy) {
4162 default_floppy = 0;
4163 }
4164 if (!has_defaults || machine_class->no_cdrom) {
4165 default_cdrom = 0;
4166 }
4167 if (!has_defaults || machine_class->no_sdcard) {
4168 default_sdcard = 0;
4169 }
4170 if (!has_defaults) {
4171 default_monitor = 0;
4172 default_net = 0;
4173 default_vga = 0;
4174 }
4175
4176 if (is_daemonized()) {
4177 if (!preconfig_exit_requested) {
4178 error_report("'preconfig' and 'daemonize' options are "
4179 "mutually exclusive");
4180 exit(EXIT_FAILURE);
4181 }
4182
4183 /* According to documentation and historically, -nographic redirects
4184 * serial port, parallel port and monitor to stdio, which does not work
4185 * with -daemonize. We can redirect these to null instead, but since
4186 * -nographic is legacy, let's just error out.
4187 * We disallow -nographic only if all other ports are not redirected
4188 * explicitly, to not break existing legacy setups which uses
4189 * -nographic _and_ redirects all ports explicitly - this is valid
4190 * usage, -nographic is just a no-op in this case.
4191 */
4192 if (nographic
4193 && (default_parallel || default_serial
4194 || default_monitor || default_virtcon)) {
4195 error_report("-nographic cannot be used with -daemonize");
4196 exit(1);
4197 }
4198 #ifdef CONFIG_CURSES
4199 if (dpy.type == DISPLAY_TYPE_CURSES) {
4200 error_report("curses display cannot be used with -daemonize");
4201 exit(1);
4202 }
4203 #endif
4204 }
4205
4206 if (nographic) {
4207 if (default_parallel)
4208 add_device_config(DEV_PARALLEL, "null");
4209 if (default_serial && default_monitor) {
4210 add_device_config(DEV_SERIAL, "mon:stdio");
4211 } else if (default_virtcon && default_monitor) {
4212 add_device_config(DEV_VIRTCON, "mon:stdio");
4213 } else {
4214 if (default_serial)
4215 add_device_config(DEV_SERIAL, "stdio");
4216 if (default_virtcon)
4217 add_device_config(DEV_VIRTCON, "stdio");
4218 if (default_monitor)
4219 monitor_parse("stdio", "readline", false);
4220 }
4221 } else {
4222 if (default_serial)
4223 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4224 if (default_parallel)
4225 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4226 if (default_monitor)
4227 monitor_parse("vc:80Cx24C", "readline", false);
4228 if (default_virtcon)
4229 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4230 }
4231
4232 #if defined(CONFIG_VNC)
4233 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4234 display_remote++;
4235 }
4236 #endif
4237 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4238 if (!qemu_display_find_default(&dpy)) {
4239 dpy.type = DISPLAY_TYPE_NONE;
4240 #if defined(CONFIG_VNC)
4241 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4242 #endif
4243 }
4244 }
4245 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4246 dpy.type = DISPLAY_TYPE_NONE;
4247 }
4248
4249 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4250 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4251 "for SDL, ignoring option");
4252 }
4253 if (dpy.has_window_close &&
4254 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4255 error_report("-no-quit is only valid for GTK and SDL, "
4256 "ignoring option");
4257 }
4258
4259 qemu_display_early_init(&dpy);
4260 qemu_console_early_init();
4261
4262 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4263 #if defined(CONFIG_OPENGL)
4264 error_report("OpenGL is not supported by the display");
4265 #else
4266 error_report("OpenGL support is disabled");
4267 #endif
4268 exit(1);
4269 }
4270
4271 page_size_init();
4272 socket_init();
4273
4274 if (qemu_opts_foreach(qemu_find_opts("object"),
4275 user_creatable_add_opts_foreach,
4276 object_create_initial, NULL)) {
4277 exit(1);
4278 }
4279
4280 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4281 chardev_init_func, NULL, NULL)) {
4282 exit(1);
4283 }
4284
4285 #ifdef CONFIG_VIRTFS
4286 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4287 fsdev_init_func, NULL, NULL)) {
4288 exit(1);
4289 }
4290 #endif
4291
4292 if (qemu_opts_foreach(qemu_find_opts("device"),
4293 device_help_func, NULL, NULL)) {
4294 exit(0);
4295 }
4296
4297 machine_opts = qemu_get_machine_opts();
4298 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4299 NULL)) {
4300 object_unref(OBJECT(current_machine));
4301 exit(1);
4302 }
4303
4304 configure_accelerator(current_machine);
4305
4306 if (!qtest_enabled() && machine_class->deprecation_reason) {
4307 error_report("Machine type '%s' is deprecated: %s",
4308 machine_class->name, machine_class->deprecation_reason);
4309 }
4310
4311 /*
4312 * Register all the global properties, including accel properties,
4313 * machine properties, and user-specified ones.
4314 */
4315 register_global_properties(current_machine);
4316
4317 /*
4318 * Migration object can only be created after global properties
4319 * are applied correctly.
4320 */
4321 migration_object_init();
4322
4323 if (qtest_chrdev) {
4324 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4325 }
4326
4327 machine_opts = qemu_get_machine_opts();
4328 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4329 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4330 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4331 bios_name = qemu_opt_get(machine_opts, "firmware");
4332
4333 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4334 if (opts) {
4335 boot_order = qemu_opt_get(opts, "order");
4336 if (boot_order) {
4337 validate_bootdevices(boot_order, &error_fatal);
4338 }
4339
4340 boot_once = qemu_opt_get(opts, "once");
4341 if (boot_once) {
4342 validate_bootdevices(boot_once, &error_fatal);
4343 }
4344
4345 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4346 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4347 }
4348
4349 if (!boot_order) {
4350 boot_order = machine_class->default_boot_order;
4351 }
4352
4353 if (!kernel_cmdline) {
4354 kernel_cmdline = "";
4355 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4356 }
4357
4358 linux_boot = (kernel_filename != NULL);
4359
4360 if (!linux_boot && *kernel_cmdline != '\0') {
4361 error_report("-append only allowed with -kernel option");
4362 exit(1);
4363 }
4364
4365 if (!linux_boot && initrd_filename != NULL) {
4366 error_report("-initrd only allowed with -kernel option");
4367 exit(1);
4368 }
4369
4370 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4371 /* fall back to the -kernel/-append */
4372 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4373 }
4374
4375 os_set_line_buffering();
4376
4377 /* spice needs the timers to be initialized by this point */
4378 qemu_spice_init();
4379
4380 cpu_ticks_init();
4381 if (icount_opts) {
4382 if (!tcg_enabled()) {
4383 error_report("-icount is not allowed with hardware virtualization");
4384 exit(1);
4385 }
4386 configure_icount(icount_opts, &error_abort);
4387 qemu_opts_del(icount_opts);
4388 }
4389
4390 if (tcg_enabled()) {
4391 qemu_tcg_configure(accel_opts, &error_fatal);
4392 }
4393
4394 if (default_net) {
4395 QemuOptsList *net = qemu_find_opts("net");
4396 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4397 #ifdef CONFIG_SLIRP
4398 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4399 #endif
4400 }
4401
4402 colo_info_init();
4403
4404 if (net_init_clients(&err) < 0) {
4405 error_report_err(err);
4406 exit(1);
4407 }
4408
4409 if (qemu_opts_foreach(qemu_find_opts("object"),
4410 user_creatable_add_opts_foreach,
4411 object_create_delayed, NULL)) {
4412 exit(1);
4413 }
4414
4415 if (tpm_init() < 0) {
4416 exit(1);
4417 }
4418
4419 /* init the bluetooth world */
4420 if (foreach_device_config(DEV_BT, bt_parse))
4421 exit(1);
4422
4423 if (!xen_enabled()) {
4424 /* On 32-bit hosts, QEMU is limited by virtual address space */
4425 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4426 error_report("at most 2047 MB RAM can be simulated");
4427 exit(1);
4428 }
4429 }
4430
4431 blk_mig_init();
4432 ram_mig_init();
4433 dirty_bitmap_mig_init();
4434
4435 /* If the currently selected machine wishes to override the units-per-bus
4436 * property of its default HBA interface type, do so now. */
4437 if (machine_class->units_per_default_bus) {
4438 override_max_devs(machine_class->block_default_type,
4439 machine_class->units_per_default_bus);
4440 }
4441
4442 /* open the virtual block devices */
4443 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4444 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4445
4446 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4447 loc_push_restore(&bdo->loc);
4448 qmp_blockdev_add(bdo->bdo, &error_fatal);
4449 loc_pop(&bdo->loc);
4450 qapi_free_BlockdevOptions(bdo->bdo);
4451 g_free(bdo);
4452 }
4453 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4454 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4455 NULL, NULL);
4456 }
4457 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4458 &machine_class->block_default_type, NULL)) {
4459 exit(1);
4460 }
4461
4462 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4463 CDROM_OPTS);
4464 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4465 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4466
4467 if (qemu_opts_foreach(qemu_find_opts("mon"),
4468 mon_init_func, NULL, NULL)) {
4469 exit(1);
4470 }
4471
4472 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4473 exit(1);
4474 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4475 exit(1);
4476 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4477 exit(1);
4478 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4479 exit(1);
4480
4481 /* If no default VGA is requested, the default is "none". */
4482 if (default_vga) {
4483 if (machine_class->default_display) {
4484 vga_model = machine_class->default_display;
4485 } else if (vga_interface_available(VGA_CIRRUS)) {
4486 vga_model = "cirrus";
4487 } else if (vga_interface_available(VGA_STD)) {
4488 vga_model = "std";
4489 }
4490 }
4491 if (vga_model) {
4492 select_vgahw(vga_model);
4493 }
4494
4495 if (watchdog) {
4496 i = select_watchdog(watchdog);
4497 if (i > 0)
4498 exit (i == 1 ? 1 : 0);
4499 }
4500
4501 /* This checkpoint is required by replay to separate prior clock
4502 reading from the other reads, because timer polling functions query
4503 clock values from the log. */
4504 replay_checkpoint(CHECKPOINT_INIT);
4505 qdev_machine_init();
4506
4507 current_machine->ram_size = ram_size;
4508 current_machine->maxram_size = maxram_size;
4509 current_machine->ram_slots = ram_slots;
4510 current_machine->boot_order = boot_order;
4511
4512 /* parse features once if machine provides default cpu_type */
4513 current_machine->cpu_type = machine_class->default_cpu_type;
4514 if (cpu_model) {
4515 current_machine->cpu_type = parse_cpu_model(cpu_model);
4516 }
4517 parse_numa_opts(current_machine);
4518
4519 /* do monitor/qmp handling at preconfig state if requested */
4520 main_loop();
4521
4522 /* from here on runstate is RUN_STATE_PRELAUNCH */
4523 machine_run_board_init(current_machine);
4524
4525 realtime_init();
4526
4527 soundhw_init();
4528
4529 if (hax_enabled()) {
4530 hax_sync_vcpus();
4531 }
4532
4533 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4534 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4535 exit(1);
4536 }
4537
4538 /* init USB devices */
4539 if (machine_usb(current_machine)) {
4540 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4541 exit(1);
4542 }
4543
4544 /* Check if IGD GFX passthrough. */
4545 igd_gfx_passthru();
4546
4547 /* init generic devices */
4548 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4549 if (qemu_opts_foreach(qemu_find_opts("device"),
4550 device_init_func, NULL, NULL)) {
4551 exit(1);
4552 }
4553
4554 cpu_synchronize_all_post_init();
4555
4556 rom_reset_order_override();
4557
4558 /* Did we create any drives that we failed to create a device for? */
4559 drive_check_orphaned();
4560
4561 /* Don't warn about the default network setup that you get if
4562 * no command line -net or -netdev options are specified. There
4563 * are two cases that we would otherwise complain about:
4564 * (1) board doesn't support a NIC but the implicit "-net nic"
4565 * requested one
4566 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4567 * sets up a nic that isn't connected to anything.
4568 */
4569 if (!default_net && (!qtest_enabled() || has_defaults)) {
4570 net_check_clients();
4571 }
4572
4573 if (boot_once) {
4574 qemu_boot_set(boot_once, &error_fatal);
4575 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4576 }
4577
4578 /* init local displays */
4579 ds = init_displaystate();
4580 qemu_display_init(ds, &dpy);
4581
4582 /* must be after terminal init, SDL library changes signal handlers */
4583 os_setup_signal_handling();
4584
4585 /* init remote displays */
4586 #ifdef CONFIG_VNC
4587 qemu_opts_foreach(qemu_find_opts("vnc"),
4588 vnc_init_func, NULL, NULL);
4589 #endif
4590
4591 if (using_spice) {
4592 qemu_spice_display_init();
4593 }
4594
4595 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4596 exit(1);
4597 }
4598
4599 qdev_machine_creation_done();
4600
4601 /* TODO: once all bus devices are qdevified, this should be done
4602 * when bus is created by qdev.c */
4603 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4604 qemu_run_machine_init_done_notifiers();
4605
4606 if (rom_check_and_register_reset() != 0) {
4607 error_report("rom check and register reset failed");
4608 exit(1);
4609 }
4610
4611 replay_start();
4612
4613 /* This checkpoint is required by replay to separate prior clock
4614 reading from the other reads, because timer polling functions query
4615 clock values from the log. */
4616 replay_checkpoint(CHECKPOINT_RESET);
4617 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4618 register_global_state();
4619 if (loadvm) {
4620 Error *local_err = NULL;
4621 if (load_snapshot(loadvm, &local_err) < 0) {
4622 error_report_err(local_err);
4623 autostart = 0;
4624 exit(1);
4625 }
4626 }
4627 if (replay_mode != REPLAY_MODE_NONE) {
4628 replay_vmstate_init();
4629 }
4630
4631 qdev_prop_check_globals();
4632 if (vmstate_dump_file) {
4633 /* dump and exit */
4634 dump_vmstate_json_to_file(vmstate_dump_file);
4635 return 0;
4636 }
4637
4638 if (incoming) {
4639 Error *local_err = NULL;
4640 qemu_start_incoming_migration(incoming, &local_err);
4641 if (local_err) {
4642 error_reportf_err(local_err, "-incoming %s: ", incoming);
4643 exit(1);
4644 }
4645 } else if (autostart) {
4646 vm_start();
4647 }
4648
4649 accel_setup_post(current_machine);
4650 os_setup_post();
4651
4652 main_loop();
4653
4654 gdbserver_cleanup();
4655
4656 /* No more vcpu or device emulation activity beyond this point */
4657 vm_shutdown();
4658
4659 job_cancel_sync_all();
4660 bdrv_close_all();
4661
4662 res_free();
4663
4664 /* vhost-user must be cleaned up before chardevs. */
4665 tpm_cleanup();
4666 net_cleanup();
4667 audio_cleanup();
4668 monitor_cleanup();
4669 qemu_chr_cleanup();
4670 user_creatable_cleanup();
4671 migration_object_finalize();
4672 /* TODO: unref root container, check all devices are ok */
4673
4674 return 0;
4675 }
Random patches