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scripts/qemu.py: use a more consistent docstring style
[qemu/ar7.git] / vl.c
blob1fcacc5caa194f222d8c8f57894b66d754ac3bb6
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_setg(errp, "fd option is required and must be non-negative");
1097 return -1;
1098 }
1099
1100 if (fd <= STDERR_FILENO) {
1101 error_setg(errp, "fd cannot be a standard I/O stream");
1102 return -1;
1103 }
1104
1105 /*
1106 * All fds inherited across exec() necessarily have FD_CLOEXEC
1107 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1108 */
1109 flags = fcntl(fd, F_GETFD);
1110 if (flags == -1 || (flags & FD_CLOEXEC)) {
1111 error_setg(errp, "fd is not valid or already in use");
1112 return -1;
1113 }
1114
1115 if (fdset_id < 0) {
1116 error_setg(errp, "set option is required and must be non-negative");
1117 return -1;
1118 }
1119
1120 #ifdef F_DUPFD_CLOEXEC
1121 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1122 #else
1123 dupfd = dup(fd);
1124 if (dupfd != -1) {
1125 qemu_set_cloexec(dupfd);
1126 }
1127 #endif
1128 if (dupfd == -1) {
1129 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1130 return -1;
1131 }
1132
1133 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1134 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1135 &error_abort);
1136 g_free(fdinfo);
1137
1138 return 0;
1139 }
1140
1141 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1142 {
1143 int fd;
1144
1145 fd = qemu_opt_get_number(opts, "fd", -1);
1146 close(fd);
1147
1148 return 0;
1149 }
1150 #endif
1151
1152 /***********************************************************/
1153 /* QEMU Block devices */
1154
1155 #define HD_OPTS "media=disk"
1156 #define CDROM_OPTS "media=cdrom"
1157 #define FD_OPTS ""
1158 #define PFLASH_OPTS ""
1159 #define MTD_OPTS ""
1160 #define SD_OPTS ""
1161
1162 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1163 {
1164 BlockInterfaceType *block_default_type = opaque;
1165
1166 return drive_new(opts, *block_default_type, errp) == NULL;
1167 }
1168
1169 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1170 {
1171 if (qemu_opt_get(opts, "snapshot") == NULL) {
1172 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1173 }
1174 return 0;
1175 }
1176
1177 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1178 int index, const char *optstr)
1179 {
1180 QemuOpts *opts;
1181 DriveInfo *dinfo;
1182
1183 if (!enable || drive_get_by_index(type, index)) {
1184 return;
1185 }
1186
1187 opts = drive_add(type, index, NULL, optstr);
1188 if (snapshot) {
1189 drive_enable_snapshot(NULL, opts, NULL);
1190 }
1191
1192 dinfo = drive_new(opts, type, &error_abort);
1193 dinfo->is_default = true;
1194
1195 }
1196
1197 static QemuOptsList qemu_smp_opts = {
1198 .name = "smp-opts",
1199 .implied_opt_name = "cpus",
1200 .merge_lists = true,
1201 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1202 .desc = {
1203 {
1204 .name = "cpus",
1205 .type = QEMU_OPT_NUMBER,
1206 }, {
1207 .name = "sockets",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "cores",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "threads",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "maxcpus",
1217 .type = QEMU_OPT_NUMBER,
1218 },
1219 { /*End of list */ }
1220 },
1221 };
1222
1223 static void smp_parse(QemuOpts *opts)
1224 {
1225 if (opts) {
1226 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1227 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1228 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1229 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1230
1231 /* compute missing values, prefer sockets over cores over threads */
1232 if (cpus == 0 || sockets == 0) {
1233 cores = cores > 0 ? cores : 1;
1234 threads = threads > 0 ? threads : 1;
1235 if (cpus == 0) {
1236 sockets = sockets > 0 ? sockets : 1;
1237 cpus = cores * threads * sockets;
1238 } else {
1239 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1240 sockets = max_cpus / (cores * threads);
1241 }
1242 } else if (cores == 0) {
1243 threads = threads > 0 ? threads : 1;
1244 cores = cpus / (sockets * threads);
1245 cores = cores > 0 ? cores : 1;
1246 } else if (threads == 0) {
1247 threads = cpus / (cores * sockets);
1248 threads = threads > 0 ? threads : 1;
1249 } else if (sockets * cores * threads < cpus) {
1250 error_report("cpu topology: "
1251 "sockets (%u) * cores (%u) * threads (%u) < "
1252 "smp_cpus (%u)",
1253 sockets, cores, threads, cpus);
1254 exit(1);
1255 }
1256
1257 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1258
1259 if (max_cpus < cpus) {
1260 error_report("maxcpus must be equal to or greater than smp");
1261 exit(1);
1262 }
1263
1264 if (sockets * cores * threads > max_cpus) {
1265 error_report("cpu topology: "
1266 "sockets (%u) * cores (%u) * threads (%u) > "
1267 "maxcpus (%u)",
1268 sockets, cores, threads, max_cpus);
1269 exit(1);
1270 }
1271
1272 if (sockets * cores * threads != max_cpus) {
1273 warn_report("Invalid CPU topology deprecated: "
1274 "sockets (%u) * cores (%u) * threads (%u) "
1275 "!= maxcpus (%u)",
1276 sockets, cores, threads, max_cpus);
1277 }
1278
1279 smp_cpus = cpus;
1280 smp_cores = cores;
1281 smp_threads = threads;
1282 }
1283
1284 if (smp_cpus > 1) {
1285 Error *blocker = NULL;
1286 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1287 replay_add_blocker(blocker);
1288 }
1289 }
1290
1291 static void realtime_init(void)
1292 {
1293 if (enable_mlock) {
1294 if (os_mlock() < 0) {
1295 error_report("locking memory failed");
1296 exit(1);
1297 }
1298 }
1299 }
1300
1301
1302 static void configure_msg(QemuOpts *opts)
1303 {
1304 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1305 }
1306
1307 /***********************************************************/
1308 /* Semihosting */
1309
1310 typedef struct SemihostingConfig {
1311 bool enabled;
1312 SemihostingTarget target;
1313 const char **argv;
1314 int argc;
1315 const char *cmdline; /* concatenated argv */
1316 } SemihostingConfig;
1317
1318 static SemihostingConfig semihosting;
1319
1320 bool semihosting_enabled(void)
1321 {
1322 return semihosting.enabled;
1323 }
1324
1325 SemihostingTarget semihosting_get_target(void)
1326 {
1327 return semihosting.target;
1328 }
1329
1330 const char *semihosting_get_arg(int i)
1331 {
1332 if (i >= semihosting.argc) {
1333 return NULL;
1334 }
1335 return semihosting.argv[i];
1336 }
1337
1338 int semihosting_get_argc(void)
1339 {
1340 return semihosting.argc;
1341 }
1342
1343 const char *semihosting_get_cmdline(void)
1344 {
1345 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1346 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1347 }
1348 return semihosting.cmdline;
1349 }
1350
1351 static int add_semihosting_arg(void *opaque,
1352 const char *name, const char *val,
1353 Error **errp)
1354 {
1355 SemihostingConfig *s = opaque;
1356 if (strcmp(name, "arg") == 0) {
1357 s->argc++;
1358 /* one extra element as g_strjoinv() expects NULL-terminated array */
1359 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1360 s->argv[s->argc - 1] = val;
1361 s->argv[s->argc] = NULL;
1362 }
1363 return 0;
1364 }
1365
1366 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1367 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1368 {
1369 char *cmd_token;
1370
1371 /* argv[0] */
1372 add_semihosting_arg(&semihosting, "arg", file, NULL);
1373
1374 /* split -append and initialize argv[1..n] */
1375 cmd_token = strtok(g_strdup(cmd), " ");
1376 while (cmd_token) {
1377 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1378 cmd_token = strtok(NULL, " ");
1379 }
1380 }
1381
1382 /* Now we still need this for compatibility with XEN. */
1383 bool has_igd_gfx_passthru;
1384 static void igd_gfx_passthru(void)
1385 {
1386 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1387 }
1388
1389 /***********************************************************/
1390 /* USB devices */
1391
1392 static int usb_device_add(const char *devname)
1393 {
1394 USBDevice *dev = NULL;
1395
1396 if (!machine_usb(current_machine)) {
1397 return -1;
1398 }
1399
1400 dev = usbdevice_create(devname);
1401 if (!dev)
1402 return -1;
1403
1404 return 0;
1405 }
1406
1407 static int usb_parse(const char *cmdline)
1408 {
1409 int r;
1410 r = usb_device_add(cmdline);
1411 if (r < 0) {
1412 error_report("could not add USB device '%s'", cmdline);
1413 }
1414 return r;
1415 }
1416
1417 /***********************************************************/
1418 /* machine registration */
1419
1420 MachineState *current_machine;
1421
1422 static MachineClass *find_machine(const char *name)
1423 {
1424 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1425 MachineClass *mc = NULL;
1426
1427 for (el = machines; el; el = el->next) {
1428 MachineClass *temp = el->data;
1429
1430 if (!strcmp(temp->name, name)) {
1431 mc = temp;
1432 break;
1433 }
1434 if (temp->alias &&
1435 !strcmp(temp->alias, name)) {
1436 mc = temp;
1437 break;
1438 }
1439 }
1440
1441 g_slist_free(machines);
1442 return mc;
1443 }
1444
1445 MachineClass *find_default_machine(void)
1446 {
1447 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1448 MachineClass *mc = NULL;
1449
1450 for (el = machines; el; el = el->next) {
1451 MachineClass *temp = el->data;
1452
1453 if (temp->is_default) {
1454 mc = temp;
1455 break;
1456 }
1457 }
1458
1459 g_slist_free(machines);
1460 return mc;
1461 }
1462
1463 MachineInfoList *qmp_query_machines(Error **errp)
1464 {
1465 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1466 MachineInfoList *mach_list = NULL;
1467
1468 for (el = machines; el; el = el->next) {
1469 MachineClass *mc = el->data;
1470 MachineInfoList *entry;
1471 MachineInfo *info;
1472
1473 info = g_malloc0(sizeof(*info));
1474 if (mc->is_default) {
1475 info->has_is_default = true;
1476 info->is_default = true;
1477 }
1478
1479 if (mc->alias) {
1480 info->has_alias = true;
1481 info->alias = g_strdup(mc->alias);
1482 }
1483
1484 info->name = g_strdup(mc->name);
1485 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1486 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1487
1488 entry = g_malloc0(sizeof(*entry));
1489 entry->value = info;
1490 entry->next = mach_list;
1491 mach_list = entry;
1492 }
1493
1494 g_slist_free(machines);
1495 return mach_list;
1496 }
1497
1498 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1499 {
1500 ObjectProperty *prop;
1501 ObjectPropertyIterator iter;
1502
1503 if (!qemu_opt_has_help_opt(opts)) {
1504 return 0;
1505 }
1506
1507 object_property_iter_init(&iter, OBJECT(machine));
1508 while ((prop = object_property_iter_next(&iter))) {
1509 if (!prop->set) {
1510 continue;
1511 }
1512
1513 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1514 prop->name, prop->type);
1515 if (prop->description) {
1516 error_printf(" (%s)\n", prop->description);
1517 } else {
1518 error_printf("\n");
1519 }
1520 }
1521
1522 return 1;
1523 }
1524
1525 /***********************************************************/
1526 /* main execution loop */
1527
1528 struct vm_change_state_entry {
1529 VMChangeStateHandler *cb;
1530 void *opaque;
1531 QLIST_ENTRY (vm_change_state_entry) entries;
1532 };
1533
1534 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1535
1536 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1537 void *opaque)
1538 {
1539 VMChangeStateEntry *e;
1540
1541 e = g_malloc0(sizeof (*e));
1542
1543 e->cb = cb;
1544 e->opaque = opaque;
1545 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1546 return e;
1547 }
1548
1549 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1550 {
1551 QLIST_REMOVE (e, entries);
1552 g_free (e);
1553 }
1554
1555 void vm_state_notify(int running, RunState state)
1556 {
1557 VMChangeStateEntry *e, *next;
1558
1559 trace_vm_state_notify(running, state);
1560
1561 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1562 e->cb(e->opaque, running, state);
1563 }
1564 }
1565
1566 static ShutdownCause reset_requested;
1567 static ShutdownCause shutdown_requested;
1568 static int shutdown_signal;
1569 static pid_t shutdown_pid;
1570 static int powerdown_requested;
1571 static int debug_requested;
1572 static int suspend_requested;
1573 static bool preconfig_exit_requested = true;
1574 static WakeupReason wakeup_reason;
1575 static NotifierList powerdown_notifiers =
1576 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1577 static NotifierList suspend_notifiers =
1578 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1579 static NotifierList wakeup_notifiers =
1580 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1581 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1582
1583 ShutdownCause qemu_shutdown_requested_get(void)
1584 {
1585 return shutdown_requested;
1586 }
1587
1588 ShutdownCause qemu_reset_requested_get(void)
1589 {
1590 return reset_requested;
1591 }
1592
1593 static int qemu_shutdown_requested(void)
1594 {
1595 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1596 }
1597
1598 static void qemu_kill_report(void)
1599 {
1600 if (!qtest_driver() && shutdown_signal) {
1601 if (shutdown_pid == 0) {
1602 /* This happens for eg ^C at the terminal, so it's worth
1603 * avoiding printing an odd message in that case.
1604 */
1605 error_report("terminating on signal %d", shutdown_signal);
1606 } else {
1607 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1608
1609 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1610 shutdown_signal, shutdown_pid,
1611 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1612 g_free(shutdown_cmd);
1613 }
1614 shutdown_signal = 0;
1615 }
1616 }
1617
1618 static ShutdownCause qemu_reset_requested(void)
1619 {
1620 ShutdownCause r = reset_requested;
1621
1622 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1623 reset_requested = SHUTDOWN_CAUSE_NONE;
1624 return r;
1625 }
1626 return SHUTDOWN_CAUSE_NONE;
1627 }
1628
1629 static int qemu_suspend_requested(void)
1630 {
1631 int r = suspend_requested;
1632 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1633 suspend_requested = 0;
1634 return r;
1635 }
1636 return false;
1637 }
1638
1639 static WakeupReason qemu_wakeup_requested(void)
1640 {
1641 return wakeup_reason;
1642 }
1643
1644 static int qemu_powerdown_requested(void)
1645 {
1646 int r = powerdown_requested;
1647 powerdown_requested = 0;
1648 return r;
1649 }
1650
1651 static int qemu_debug_requested(void)
1652 {
1653 int r = debug_requested;
1654 debug_requested = 0;
1655 return r;
1656 }
1657
1658 void qemu_exit_preconfig_request(void)
1659 {
1660 preconfig_exit_requested = true;
1661 }
1662
1663 /*
1664 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1665 */
1666 void qemu_system_reset(ShutdownCause reason)
1667 {
1668 MachineClass *mc;
1669
1670 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1671
1672 cpu_synchronize_all_states();
1673
1674 if (mc && mc->reset) {
1675 mc->reset();
1676 } else {
1677 qemu_devices_reset();
1678 }
1679 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1680 qapi_event_send_reset(shutdown_caused_by_guest(reason));
1681 }
1682 cpu_synchronize_all_post_reset();
1683 }
1684
1685 void qemu_system_guest_panicked(GuestPanicInformation *info)
1686 {
1687 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1688
1689 if (current_cpu) {
1690 current_cpu->crash_occurred = true;
1691 }
1692 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1693 !!info, info);
1694 vm_stop(RUN_STATE_GUEST_PANICKED);
1695 if (!no_shutdown) {
1696 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1697 !!info, info);
1698 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1699 }
1700
1701 if (info) {
1702 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1703 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1704 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1705 info->u.hyper_v.arg1,
1706 info->u.hyper_v.arg2,
1707 info->u.hyper_v.arg3,
1708 info->u.hyper_v.arg4,
1709 info->u.hyper_v.arg5);
1710 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1711 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1712 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1713 info->u.s390.core,
1714 S390CrashReason_str(info->u.s390.reason),
1715 info->u.s390.psw_mask,
1716 info->u.s390.psw_addr);
1717 }
1718 qapi_free_GuestPanicInformation(info);
1719 }
1720 }
1721
1722 void qemu_system_reset_request(ShutdownCause reason)
1723 {
1724 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1725 shutdown_requested = reason;
1726 } else {
1727 reset_requested = reason;
1728 }
1729 cpu_stop_current();
1730 qemu_notify_event();
1731 }
1732
1733 static void qemu_system_suspend(void)
1734 {
1735 pause_all_vcpus();
1736 notifier_list_notify(&suspend_notifiers, NULL);
1737 runstate_set(RUN_STATE_SUSPENDED);
1738 qapi_event_send_suspend();
1739 }
1740
1741 void qemu_system_suspend_request(void)
1742 {
1743 if (runstate_check(RUN_STATE_SUSPENDED)) {
1744 return;
1745 }
1746 suspend_requested = 1;
1747 cpu_stop_current();
1748 qemu_notify_event();
1749 }
1750
1751 void qemu_register_suspend_notifier(Notifier *notifier)
1752 {
1753 notifier_list_add(&suspend_notifiers, notifier);
1754 }
1755
1756 void qemu_system_wakeup_request(WakeupReason reason)
1757 {
1758 trace_system_wakeup_request(reason);
1759
1760 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1761 return;
1762 }
1763 if (!(wakeup_reason_mask & (1 << reason))) {
1764 return;
1765 }
1766 runstate_set(RUN_STATE_RUNNING);
1767 wakeup_reason = reason;
1768 qemu_notify_event();
1769 }
1770
1771 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1772 {
1773 if (enabled) {
1774 wakeup_reason_mask |= (1 << reason);
1775 } else {
1776 wakeup_reason_mask &= ~(1 << reason);
1777 }
1778 }
1779
1780 void qemu_register_wakeup_notifier(Notifier *notifier)
1781 {
1782 notifier_list_add(&wakeup_notifiers, notifier);
1783 }
1784
1785 void qemu_system_killed(int signal, pid_t pid)
1786 {
1787 shutdown_signal = signal;
1788 shutdown_pid = pid;
1789 no_shutdown = 0;
1790
1791 /* Cannot call qemu_system_shutdown_request directly because
1792 * we are in a signal handler.
1793 */
1794 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1795 qemu_notify_event();
1796 }
1797
1798 void qemu_system_shutdown_request(ShutdownCause reason)
1799 {
1800 trace_qemu_system_shutdown_request(reason);
1801 replay_shutdown_request(reason);
1802 shutdown_requested = reason;
1803 qemu_notify_event();
1804 }
1805
1806 static void qemu_system_powerdown(void)
1807 {
1808 qapi_event_send_powerdown();
1809 notifier_list_notify(&powerdown_notifiers, NULL);
1810 }
1811
1812 void qemu_system_powerdown_request(void)
1813 {
1814 trace_qemu_system_powerdown_request();
1815 powerdown_requested = 1;
1816 qemu_notify_event();
1817 }
1818
1819 void qemu_register_powerdown_notifier(Notifier *notifier)
1820 {
1821 notifier_list_add(&powerdown_notifiers, notifier);
1822 }
1823
1824 void qemu_system_debug_request(void)
1825 {
1826 debug_requested = 1;
1827 qemu_notify_event();
1828 }
1829
1830 static bool main_loop_should_exit(void)
1831 {
1832 RunState r;
1833 ShutdownCause request;
1834
1835 if (preconfig_exit_requested) {
1836 if (runstate_check(RUN_STATE_PRECONFIG)) {
1837 runstate_set(RUN_STATE_PRELAUNCH);
1838 }
1839 preconfig_exit_requested = false;
1840 return true;
1841 }
1842 if (qemu_debug_requested()) {
1843 vm_stop(RUN_STATE_DEBUG);
1844 }
1845 if (qemu_suspend_requested()) {
1846 qemu_system_suspend();
1847 }
1848 request = qemu_shutdown_requested();
1849 if (request) {
1850 qemu_kill_report();
1851 qapi_event_send_shutdown(shutdown_caused_by_guest(request));
1852 if (no_shutdown) {
1853 vm_stop(RUN_STATE_SHUTDOWN);
1854 } else {
1855 return true;
1856 }
1857 }
1858 request = qemu_reset_requested();
1859 if (request) {
1860 pause_all_vcpus();
1861 qemu_system_reset(request);
1862 resume_all_vcpus();
1863 if (!runstate_check(RUN_STATE_RUNNING) &&
1864 !runstate_check(RUN_STATE_INMIGRATE)) {
1865 runstate_set(RUN_STATE_PRELAUNCH);
1866 }
1867 }
1868 if (qemu_wakeup_requested()) {
1869 pause_all_vcpus();
1870 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1871 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1872 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1873 resume_all_vcpus();
1874 qapi_event_send_wakeup();
1875 }
1876 if (qemu_powerdown_requested()) {
1877 qemu_system_powerdown();
1878 }
1879 if (qemu_vmstop_requested(&r)) {
1880 vm_stop(r);
1881 }
1882 return false;
1883 }
1884
1885 static void main_loop(void)
1886 {
1887 #ifdef CONFIG_PROFILER
1888 int64_t ti;
1889 #endif
1890 while (!main_loop_should_exit()) {
1891 #ifdef CONFIG_PROFILER
1892 ti = profile_getclock();
1893 #endif
1894 main_loop_wait(false);
1895 #ifdef CONFIG_PROFILER
1896 dev_time += profile_getclock() - ti;
1897 #endif
1898 }
1899 }
1900
1901 static void version(void)
1902 {
1903 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1904 QEMU_COPYRIGHT "\n");
1905 }
1906
1907 static void help(int exitcode)
1908 {
1909 version();
1910 printf("usage: %s [options] [disk_image]\n\n"
1911 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1912 error_get_progname());
1913
1914 #define QEMU_OPTIONS_GENERATE_HELP
1915 #include "qemu-options-wrapper.h"
1916
1917 printf("\nDuring emulation, the following keys are useful:\n"
1918 "ctrl-alt-f toggle full screen\n"
1919 "ctrl-alt-n switch to virtual console 'n'\n"
1920 "ctrl-alt toggle mouse and keyboard grab\n"
1921 "\n"
1922 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1923 "\n"
1924 QEMU_HELP_BOTTOM "\n");
1925
1926 exit(exitcode);
1927 }
1928
1929 #define HAS_ARG 0x0001
1930
1931 typedef struct QEMUOption {
1932 const char *name;
1933 int flags;
1934 int index;
1935 uint32_t arch_mask;
1936 } QEMUOption;
1937
1938 static const QEMUOption qemu_options[] = {
1939 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1940 #define QEMU_OPTIONS_GENERATE_OPTIONS
1941 #include "qemu-options-wrapper.h"
1942 { NULL },
1943 };
1944
1945 typedef struct VGAInterfaceInfo {
1946 const char *opt_name; /* option name */
1947 const char *name; /* human-readable name */
1948 /* Class names indicating that support is available.
1949 * If no class is specified, the interface is always available */
1950 const char *class_names[2];
1951 } VGAInterfaceInfo;
1952
1953 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1954 [VGA_NONE] = {
1955 .opt_name = "none",
1956 },
1957 [VGA_STD] = {
1958 .opt_name = "std",
1959 .name = "standard VGA",
1960 .class_names = { "VGA", "isa-vga" },
1961 },
1962 [VGA_CIRRUS] = {
1963 .opt_name = "cirrus",
1964 .name = "Cirrus VGA",
1965 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1966 },
1967 [VGA_VMWARE] = {
1968 .opt_name = "vmware",
1969 .name = "VMWare SVGA",
1970 .class_names = { "vmware-svga" },
1971 },
1972 [VGA_VIRTIO] = {
1973 .opt_name = "virtio",
1974 .name = "Virtio VGA",
1975 .class_names = { "virtio-vga" },
1976 },
1977 [VGA_QXL] = {
1978 .opt_name = "qxl",
1979 .name = "QXL VGA",
1980 .class_names = { "qxl-vga" },
1981 },
1982 [VGA_TCX] = {
1983 .opt_name = "tcx",
1984 .name = "TCX framebuffer",
1985 .class_names = { "SUNW,tcx" },
1986 },
1987 [VGA_CG3] = {
1988 .opt_name = "cg3",
1989 .name = "CG3 framebuffer",
1990 .class_names = { "cgthree" },
1991 },
1992 [VGA_XENFB] = {
1993 .opt_name = "xenfb",
1994 },
1995 };
1996
1997 static bool vga_interface_available(VGAInterfaceType t)
1998 {
1999 VGAInterfaceInfo *ti = &vga_interfaces[t];
2000
2001 assert(t < VGA_TYPE_MAX);
2002 return !ti->class_names[0] ||
2003 object_class_by_name(ti->class_names[0]) ||
2004 object_class_by_name(ti->class_names[1]);
2005 }
2006
2007 static void select_vgahw(const char *p)
2008 {
2009 const char *opts;
2010 int t;
2011
2012 assert(vga_interface_type == VGA_NONE);
2013 for (t = 0; t < VGA_TYPE_MAX; t++) {
2014 VGAInterfaceInfo *ti = &vga_interfaces[t];
2015 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2016 if (!vga_interface_available(t)) {
2017 error_report("%s not available", ti->name);
2018 exit(1);
2019 }
2020 vga_interface_type = t;
2021 break;
2022 }
2023 }
2024 if (t == VGA_TYPE_MAX) {
2025 invalid_vga:
2026 error_report("unknown vga type: %s", p);
2027 exit(1);
2028 }
2029 while (*opts) {
2030 const char *nextopt;
2031
2032 if (strstart(opts, ",retrace=", &nextopt)) {
2033 opts = nextopt;
2034 if (strstart(opts, "dumb", &nextopt))
2035 vga_retrace_method = VGA_RETRACE_DUMB;
2036 else if (strstart(opts, "precise", &nextopt))
2037 vga_retrace_method = VGA_RETRACE_PRECISE;
2038 else goto invalid_vga;
2039 } else goto invalid_vga;
2040 opts = nextopt;
2041 }
2042 }
2043
2044 static void parse_display_qapi(const char *optarg)
2045 {
2046 DisplayOptions *opts;
2047 Visitor *v;
2048
2049 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2050
2051 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2052 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2053
2054 qapi_free_DisplayOptions(opts);
2055 visit_free(v);
2056 }
2057
2058 static void parse_display(const char *p)
2059 {
2060 const char *opts;
2061
2062 if (strstart(p, "sdl", &opts)) {
2063 /*
2064 * sdl DisplayType needs hand-crafted parser instead of
2065 * parse_display_qapi() due to some options not in
2066 * DisplayOptions, specifically:
2067 * - frame
2068 * Already deprecated.
2069 * - ctrl_grab + alt_grab
2070 * Not clear yet what happens to them long-term. Should
2071 * replaced by something better or deprecated and dropped.
2072 */
2073 dpy.type = DISPLAY_TYPE_SDL;
2074 while (*opts) {
2075 const char *nextopt;
2076
2077 if (strstart(opts, ",frame=", &nextopt)) {
2078 g_printerr("The frame= sdl option is deprecated, and will be\n"
2079 "removed in a future release.\n");
2080 opts = nextopt;
2081 if (strstart(opts, "on", &nextopt)) {
2082 no_frame = 0;
2083 } else if (strstart(opts, "off", &nextopt)) {
2084 no_frame = 1;
2085 } else {
2086 goto invalid_sdl_args;
2087 }
2088 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2089 opts = nextopt;
2090 if (strstart(opts, "on", &nextopt)) {
2091 alt_grab = 1;
2092 } else if (strstart(opts, "off", &nextopt)) {
2093 alt_grab = 0;
2094 } else {
2095 goto invalid_sdl_args;
2096 }
2097 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2098 opts = nextopt;
2099 if (strstart(opts, "on", &nextopt)) {
2100 ctrl_grab = 1;
2101 } else if (strstart(opts, "off", &nextopt)) {
2102 ctrl_grab = 0;
2103 } else {
2104 goto invalid_sdl_args;
2105 }
2106 } else if (strstart(opts, ",window_close=", &nextopt)) {
2107 opts = nextopt;
2108 dpy.has_window_close = true;
2109 if (strstart(opts, "on", &nextopt)) {
2110 dpy.window_close = true;
2111 } else if (strstart(opts, "off", &nextopt)) {
2112 dpy.window_close = false;
2113 } else {
2114 goto invalid_sdl_args;
2115 }
2116 } else if (strstart(opts, ",gl=", &nextopt)) {
2117 opts = nextopt;
2118 dpy.has_gl = true;
2119 if (strstart(opts, "on", &nextopt)) {
2120 dpy.gl = DISPLAYGL_MODE_ON;
2121 } else if (strstart(opts, "core", &nextopt)) {
2122 dpy.gl = DISPLAYGL_MODE_CORE;
2123 } else if (strstart(opts, "es", &nextopt)) {
2124 dpy.gl = DISPLAYGL_MODE_ES;
2125 } else if (strstart(opts, "off", &nextopt)) {
2126 dpy.gl = DISPLAYGL_MODE_OFF;
2127 } else {
2128 goto invalid_sdl_args;
2129 }
2130 } else {
2131 invalid_sdl_args:
2132 error_report("invalid SDL option string");
2133 exit(1);
2134 }
2135 opts = nextopt;
2136 }
2137 } else if (strstart(p, "vnc", &opts)) {
2138 /*
2139 * vnc isn't a (local) DisplayType but a protocol for remote
2140 * display access.
2141 */
2142 if (*opts == '=') {
2143 vnc_parse(opts + 1, &error_fatal);
2144 } else {
2145 error_report("VNC requires a display argument vnc=<display>");
2146 exit(1);
2147 }
2148 } else {
2149 parse_display_qapi(p);
2150 }
2151 }
2152
2153 char *qemu_find_file(int type, const char *name)
2154 {
2155 int i;
2156 const char *subdir;
2157 char *buf;
2158
2159 /* Try the name as a straight path first */
2160 if (access(name, R_OK) == 0) {
2161 trace_load_file(name, name);
2162 return g_strdup(name);
2163 }
2164
2165 switch (type) {
2166 case QEMU_FILE_TYPE_BIOS:
2167 subdir = "";
2168 break;
2169 case QEMU_FILE_TYPE_KEYMAP:
2170 subdir = "keymaps/";
2171 break;
2172 default:
2173 abort();
2174 }
2175
2176 for (i = 0; i < data_dir_idx; i++) {
2177 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2178 if (access(buf, R_OK) == 0) {
2179 trace_load_file(name, buf);
2180 return buf;
2181 }
2182 g_free(buf);
2183 }
2184 return NULL;
2185 }
2186
2187 static void qemu_add_data_dir(const char *path)
2188 {
2189 int i;
2190
2191 if (path == NULL) {
2192 return;
2193 }
2194 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2195 return;
2196 }
2197 for (i = 0; i < data_dir_idx; i++) {
2198 if (strcmp(data_dir[i], path) == 0) {
2199 return; /* duplicate */
2200 }
2201 }
2202 data_dir[data_dir_idx++] = g_strdup(path);
2203 }
2204
2205 static inline bool nonempty_str(const char *str)
2206 {
2207 return str && *str;
2208 }
2209
2210 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2211 {
2212 gchar *buf;
2213 size_t size;
2214 const char *name, *file, *str;
2215 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2216
2217 if (fw_cfg == NULL) {
2218 error_setg(errp, "fw_cfg device not available");
2219 return -1;
2220 }
2221 name = qemu_opt_get(opts, "name");
2222 file = qemu_opt_get(opts, "file");
2223 str = qemu_opt_get(opts, "string");
2224
2225 /* we need name and either a file or the content string */
2226 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2227 error_setg(errp, "invalid argument(s)");
2228 return -1;
2229 }
2230 if (nonempty_str(file) && nonempty_str(str)) {
2231 error_setg(errp, "file and string are mutually exclusive");
2232 return -1;
2233 }
2234 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2235 error_setg(errp, "name too long (max. %d char)",
2236 FW_CFG_MAX_FILE_PATH - 1);
2237 return -1;
2238 }
2239 if (strncmp(name, "opt/", 4) != 0) {
2240 warn_report("externally provided fw_cfg item names "
2241 "should be prefixed with \"opt/\"");
2242 }
2243 if (nonempty_str(str)) {
2244 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2245 buf = g_memdup(str, size);
2246 } else {
2247 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2248 error_setg(errp, "can't load %s", file);
2249 return -1;
2250 }
2251 }
2252 /* For legacy, keep user files in a specific global order. */
2253 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2254 fw_cfg_add_file(fw_cfg, name, buf, size);
2255 fw_cfg_reset_order_override(fw_cfg);
2256 return 0;
2257 }
2258
2259 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2260 {
2261 return qdev_device_help(opts);
2262 }
2263
2264 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2265 {
2266 DeviceState *dev;
2267
2268 dev = qdev_device_add(opts, errp);
2269 if (!dev) {
2270 return -1;
2271 }
2272 object_unref(OBJECT(dev));
2273 return 0;
2274 }
2275
2276 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2277 {
2278 Error *local_err = NULL;
2279
2280 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2281 if (local_err) {
2282 error_propagate(errp, local_err);
2283 return -1;
2284 }
2285 exit(0);
2286 }
2287 return 0;
2288 }
2289
2290 #ifdef CONFIG_VIRTFS
2291 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2292 {
2293 return qemu_fsdev_add(opts, errp);
2294 }
2295 #endif
2296
2297 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2298 {
2299 Chardev *chr;
2300 const char *chardev;
2301 const char *mode;
2302 int flags;
2303
2304 mode = qemu_opt_get(opts, "mode");
2305 if (mode == NULL) {
2306 mode = "readline";
2307 }
2308 if (strcmp(mode, "readline") == 0) {
2309 flags = MONITOR_USE_READLINE;
2310 } else if (strcmp(mode, "control") == 0) {
2311 flags = MONITOR_USE_CONTROL;
2312 } else {
2313 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2314 return -1;
2315 }
2316
2317 if (qemu_opt_get_bool(opts, "pretty", 0))
2318 flags |= MONITOR_USE_PRETTY;
2319
2320 /* OOB is off by default */
2321 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2322 flags |= MONITOR_USE_OOB;
2323 }
2324
2325 chardev = qemu_opt_get(opts, "chardev");
2326 chr = qemu_chr_find(chardev);
2327 if (chr == NULL) {
2328 error_setg(errp, "chardev \"%s\" not found", chardev);
2329 return -1;
2330 }
2331
2332 monitor_init(chr, flags);
2333 return 0;
2334 }
2335
2336 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2337 {
2338 static int monitor_device_index = 0;
2339 QemuOpts *opts;
2340 const char *p;
2341 char label[32];
2342
2343 if (strstart(optarg, "chardev:", &p)) {
2344 snprintf(label, sizeof(label), "%s", p);
2345 } else {
2346 snprintf(label, sizeof(label), "compat_monitor%d",
2347 monitor_device_index);
2348 opts = qemu_chr_parse_compat(label, optarg, true);
2349 if (!opts) {
2350 error_report("parse error: %s", optarg);
2351 exit(1);
2352 }
2353 }
2354
2355 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2356 qemu_opt_set(opts, "mode", mode, &error_abort);
2357 qemu_opt_set(opts, "chardev", label, &error_abort);
2358 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2359 monitor_device_index++;
2360 }
2361
2362 struct device_config {
2363 enum {
2364 DEV_USB, /* -usbdevice */
2365 DEV_BT, /* -bt */
2366 DEV_SERIAL, /* -serial */
2367 DEV_PARALLEL, /* -parallel */
2368 DEV_VIRTCON, /* -virtioconsole */
2369 DEV_DEBUGCON, /* -debugcon */
2370 DEV_GDB, /* -gdb, -s */
2371 DEV_SCLP, /* s390 sclp */
2372 } type;
2373 const char *cmdline;
2374 Location loc;
2375 QTAILQ_ENTRY(device_config) next;
2376 };
2377
2378 static QTAILQ_HEAD(, device_config) device_configs =
2379 QTAILQ_HEAD_INITIALIZER(device_configs);
2380
2381 static void add_device_config(int type, const char *cmdline)
2382 {
2383 struct device_config *conf;
2384
2385 conf = g_malloc0(sizeof(*conf));
2386 conf->type = type;
2387 conf->cmdline = cmdline;
2388 loc_save(&conf->loc);
2389 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2390 }
2391
2392 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2393 {
2394 struct device_config *conf;
2395 int rc;
2396
2397 QTAILQ_FOREACH(conf, &device_configs, next) {
2398 if (conf->type != type)
2399 continue;
2400 loc_push_restore(&conf->loc);
2401 rc = func(conf->cmdline);
2402 loc_pop(&conf->loc);
2403 if (rc) {
2404 return rc;
2405 }
2406 }
2407 return 0;
2408 }
2409
2410 static int serial_parse(const char *devname)
2411 {
2412 int index = num_serial_hds;
2413 char label[32];
2414
2415 if (strcmp(devname, "none") == 0)
2416 return 0;
2417 snprintf(label, sizeof(label), "serial%d", index);
2418 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2419
2420 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2421 if (!serial_hds[index]) {
2422 error_report("could not connect serial device"
2423 " to character backend '%s'", devname);
2424 return -1;
2425 }
2426 num_serial_hds++;
2427 return 0;
2428 }
2429
2430 Chardev *serial_hd(int i)
2431 {
2432 assert(i >= 0);
2433 if (i < num_serial_hds) {
2434 return serial_hds[i];
2435 }
2436 return NULL;
2437 }
2438
2439 int serial_max_hds(void)
2440 {
2441 return num_serial_hds;
2442 }
2443
2444 static int parallel_parse(const char *devname)
2445 {
2446 static int index = 0;
2447 char label[32];
2448
2449 if (strcmp(devname, "none") == 0)
2450 return 0;
2451 if (index == MAX_PARALLEL_PORTS) {
2452 error_report("too many parallel ports");
2453 exit(1);
2454 }
2455 snprintf(label, sizeof(label), "parallel%d", index);
2456 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2457 if (!parallel_hds[index]) {
2458 error_report("could not connect parallel device"
2459 " to character backend '%s'", devname);
2460 return -1;
2461 }
2462 index++;
2463 return 0;
2464 }
2465
2466 static int virtcon_parse(const char *devname)
2467 {
2468 QemuOptsList *device = qemu_find_opts("device");
2469 static int index = 0;
2470 char label[32];
2471 QemuOpts *bus_opts, *dev_opts;
2472
2473 if (strcmp(devname, "none") == 0)
2474 return 0;
2475 if (index == MAX_VIRTIO_CONSOLES) {
2476 error_report("too many virtio consoles");
2477 exit(1);
2478 }
2479
2480 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2481 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2482
2483 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2484 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2485
2486 snprintf(label, sizeof(label), "virtcon%d", index);
2487 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2488 if (!virtcon_hds[index]) {
2489 error_report("could not connect virtio console"
2490 " to character backend '%s'", devname);
2491 return -1;
2492 }
2493 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2494
2495 index++;
2496 return 0;
2497 }
2498
2499 static int debugcon_parse(const char *devname)
2500 {
2501 QemuOpts *opts;
2502
2503 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2504 error_report("invalid character backend '%s'", devname);
2505 exit(1);
2506 }
2507 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2508 if (!opts) {
2509 error_report("already have a debugcon device");
2510 exit(1);
2511 }
2512 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2513 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2514 return 0;
2515 }
2516
2517 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2518 {
2519 const MachineClass *mc1 = a, *mc2 = b;
2520 int res;
2521
2522 if (mc1->family == NULL) {
2523 if (mc2->family == NULL) {
2524 /* Compare standalone machine types against each other; they sort
2525 * in increasing order.
2526 */
2527 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2528 object_class_get_name(OBJECT_CLASS(mc2)));
2529 }
2530
2531 /* Standalone machine types sort after families. */
2532 return 1;
2533 }
2534
2535 if (mc2->family == NULL) {
2536 /* Families sort before standalone machine types. */
2537 return -1;
2538 }
2539
2540 /* Families sort between each other alphabetically increasingly. */
2541 res = strcmp(mc1->family, mc2->family);
2542 if (res != 0) {
2543 return res;
2544 }
2545
2546 /* Within the same family, machine types sort in decreasing order. */
2547 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2548 object_class_get_name(OBJECT_CLASS(mc1)));
2549 }
2550
2551 static MachineClass *machine_parse(const char *name)
2552 {
2553 MachineClass *mc = NULL;
2554 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2555
2556 if (name) {
2557 mc = find_machine(name);
2558 }
2559 if (mc) {
2560 g_slist_free(machines);
2561 return mc;
2562 }
2563 if (name && !is_help_option(name)) {
2564 error_report("unsupported machine type");
2565 error_printf("Use -machine help to list supported machines\n");
2566 } else {
2567 printf("Supported machines are:\n");
2568 machines = g_slist_sort(machines, machine_class_cmp);
2569 for (el = machines; el; el = el->next) {
2570 MachineClass *mc = el->data;
2571 if (mc->alias) {
2572 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2573 }
2574 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2575 mc->is_default ? " (default)" : "",
2576 mc->deprecation_reason ? " (deprecated)" : "");
2577 }
2578 }
2579
2580 g_slist_free(machines);
2581 exit(!name || !is_help_option(name));
2582 }
2583
2584 void qemu_add_exit_notifier(Notifier *notify)
2585 {
2586 notifier_list_add(&exit_notifiers, notify);
2587 }
2588
2589 void qemu_remove_exit_notifier(Notifier *notify)
2590 {
2591 notifier_remove(notify);
2592 }
2593
2594 static void qemu_run_exit_notifiers(void)
2595 {
2596 notifier_list_notify(&exit_notifiers, NULL);
2597 }
2598
2599 static const char *pid_file;
2600 static Notifier qemu_unlink_pidfile_notifier;
2601
2602 static void qemu_unlink_pidfile(Notifier *n, void *data)
2603 {
2604 if (pid_file) {
2605 unlink(pid_file);
2606 }
2607 }
2608
2609 bool machine_init_done;
2610
2611 void qemu_add_machine_init_done_notifier(Notifier *notify)
2612 {
2613 notifier_list_add(&machine_init_done_notifiers, notify);
2614 if (machine_init_done) {
2615 notify->notify(notify, NULL);
2616 }
2617 }
2618
2619 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2620 {
2621 notifier_remove(notify);
2622 }
2623
2624 static void qemu_run_machine_init_done_notifiers(void)
2625 {
2626 machine_init_done = true;
2627 notifier_list_notify(&machine_init_done_notifiers, NULL);
2628 }
2629
2630 static const QEMUOption *lookup_opt(int argc, char **argv,
2631 const char **poptarg, int *poptind)
2632 {
2633 const QEMUOption *popt;
2634 int optind = *poptind;
2635 char *r = argv[optind];
2636 const char *optarg;
2637
2638 loc_set_cmdline(argv, optind, 1);
2639 optind++;
2640 /* Treat --foo the same as -foo. */
2641 if (r[1] == '-')
2642 r++;
2643 popt = qemu_options;
2644 for(;;) {
2645 if (!popt->name) {
2646 error_report("invalid option");
2647 exit(1);
2648 }
2649 if (!strcmp(popt->name, r + 1))
2650 break;
2651 popt++;
2652 }
2653 if (popt->flags & HAS_ARG) {
2654 if (optind >= argc) {
2655 error_report("requires an argument");
2656 exit(1);
2657 }
2658 optarg = argv[optind++];
2659 loc_set_cmdline(argv, optind - 2, 2);
2660 } else {
2661 optarg = NULL;
2662 }
2663
2664 *poptarg = optarg;
2665 *poptind = optind;
2666
2667 return popt;
2668 }
2669
2670 static MachineClass *select_machine(void)
2671 {
2672 MachineClass *machine_class = find_default_machine();
2673 const char *optarg;
2674 QemuOpts *opts;
2675 Location loc;
2676
2677 loc_push_none(&loc);
2678
2679 opts = qemu_get_machine_opts();
2680 qemu_opts_loc_restore(opts);
2681
2682 optarg = qemu_opt_get(opts, "type");
2683 if (optarg) {
2684 machine_class = machine_parse(optarg);
2685 }
2686
2687 if (!machine_class) {
2688 error_report("No machine specified, and there is no default");
2689 error_printf("Use -machine help to list supported machines\n");
2690 exit(1);
2691 }
2692
2693 loc_pop(&loc);
2694 return machine_class;
2695 }
2696
2697 static int machine_set_property(void *opaque,
2698 const char *name, const char *value,
2699 Error **errp)
2700 {
2701 Object *obj = OBJECT(opaque);
2702 Error *local_err = NULL;
2703 char *p, *qom_name;
2704
2705 if (strcmp(name, "type") == 0) {
2706 return 0;
2707 }
2708
2709 qom_name = g_strdup(name);
2710 for (p = qom_name; *p; p++) {
2711 if (*p == '_') {
2712 *p = '-';
2713 }
2714 }
2715
2716 object_property_parse(obj, value, qom_name, &local_err);
2717 g_free(qom_name);
2718
2719 if (local_err) {
2720 error_propagate(errp, local_err);
2721 return -1;
2722 }
2723
2724 return 0;
2725 }
2726
2727
2728 /*
2729 * Initial object creation happens before all other
2730 * QEMU data types are created. The majority of objects
2731 * can be created at this point. The rng-egd object
2732 * cannot be created here, as it depends on the chardev
2733 * already existing.
2734 */
2735 static bool object_create_initial(const char *type, QemuOpts *opts)
2736 {
2737 ObjectClass *klass;
2738
2739 if (is_help_option(type)) {
2740 GSList *l, *list;
2741
2742 printf("List of user creatable objects:\n");
2743 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2744 for (l = list; l != NULL; l = l->next) {
2745 ObjectClass *oc = OBJECT_CLASS(l->data);
2746 printf("%s\n", object_class_get_name(oc));
2747 }
2748 g_slist_free(list);
2749 exit(0);
2750 }
2751
2752 klass = object_class_by_name(type);
2753 if (klass && qemu_opt_has_help_opt(opts)) {
2754 ObjectPropertyIterator iter;
2755 ObjectProperty *prop;
2756 GPtrArray *array = g_ptr_array_new();
2757 int i;
2758
2759 object_class_property_iter_init(&iter, klass);
2760 while ((prop = object_property_iter_next(&iter))) {
2761 GString *str;
2762
2763 if (!prop->set) {
2764 continue;
2765 }
2766
2767 str = g_string_new(NULL);
2768 g_string_append_printf(str, "%s.%s=%s", type,
2769 prop->name, prop->type);
2770 if (prop->description) {
2771 g_string_append_printf(str, " - %s", prop->description);
2772 }
2773 g_ptr_array_add(array, g_string_free(str, false));
2774 }
2775 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2776 for (i = 0; i < array->len; i++) {
2777 printf("%s\n", (char *)array->pdata[i]);
2778 }
2779 g_ptr_array_set_free_func(array, g_free);
2780 g_ptr_array_free(array, true);
2781 exit(0);
2782 }
2783
2784 if (g_str_equal(type, "rng-egd") ||
2785 g_str_has_prefix(type, "pr-manager-")) {
2786 return false;
2787 }
2788
2789 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2790 if (g_str_equal(type, "cryptodev-vhost-user")) {
2791 return false;
2792 }
2793 #endif
2794
2795 /*
2796 * return false for concrete netfilters since
2797 * they depend on netdevs already existing
2798 */
2799 if (g_str_equal(type, "filter-buffer") ||
2800 g_str_equal(type, "filter-dump") ||
2801 g_str_equal(type, "filter-mirror") ||
2802 g_str_equal(type, "filter-redirector") ||
2803 g_str_equal(type, "colo-compare") ||
2804 g_str_equal(type, "filter-rewriter") ||
2805 g_str_equal(type, "filter-replay")) {
2806 return false;
2807 }
2808
2809 /* Memory allocation by backends needs to be done
2810 * after configure_accelerator() (due to the tcg_enabled()
2811 * checks at memory_region_init_*()).
2812 *
2813 * Also, allocation of large amounts of memory may delay
2814 * chardev initialization for too long, and trigger timeouts
2815 * on software that waits for a monitor socket to be created
2816 * (e.g. libvirt).
2817 */
2818 if (g_str_has_prefix(type, "memory-backend-")) {
2819 return false;
2820 }
2821
2822 return true;
2823 }
2824
2825
2826 /*
2827 * The remainder of object creation happens after the
2828 * creation of chardev, fsdev, net clients and device data types.
2829 */
2830 static bool object_create_delayed(const char *type, QemuOpts *opts)
2831 {
2832 return !object_create_initial(type, opts);
2833 }
2834
2835
2836 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2837 MachineClass *mc)
2838 {
2839 uint64_t sz;
2840 const char *mem_str;
2841 const ram_addr_t default_ram_size = mc->default_ram_size;
2842 QemuOpts *opts = qemu_find_opts_singleton("memory");
2843 Location loc;
2844
2845 loc_push_none(&loc);
2846 qemu_opts_loc_restore(opts);
2847
2848 sz = 0;
2849 mem_str = qemu_opt_get(opts, "size");
2850 if (mem_str) {
2851 if (!*mem_str) {
2852 error_report("missing 'size' option value");
2853 exit(EXIT_FAILURE);
2854 }
2855
2856 sz = qemu_opt_get_size(opts, "size", ram_size);
2857
2858 /* Fix up legacy suffix-less format */
2859 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2860 uint64_t overflow_check = sz;
2861
2862 sz *= MiB;
2863 if (sz / MiB != overflow_check) {
2864 error_report("too large 'size' option value");
2865 exit(EXIT_FAILURE);
2866 }
2867 }
2868 }
2869
2870 /* backward compatibility behaviour for case "-m 0" */
2871 if (sz == 0) {
2872 sz = default_ram_size;
2873 }
2874
2875 sz = QEMU_ALIGN_UP(sz, 8192);
2876 ram_size = sz;
2877 if (ram_size != sz) {
2878 error_report("ram size too large");
2879 exit(EXIT_FAILURE);
2880 }
2881
2882 /* store value for the future use */
2883 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2884 *maxram_size = ram_size;
2885
2886 if (qemu_opt_get(opts, "maxmem")) {
2887 uint64_t slots;
2888
2889 sz = qemu_opt_get_size(opts, "maxmem", 0);
2890 slots = qemu_opt_get_number(opts, "slots", 0);
2891 if (sz < ram_size) {
2892 error_report("invalid value of -m option maxmem: "
2893 "maximum memory size (0x%" PRIx64 ") must be at least "
2894 "the initial memory size (0x" RAM_ADDR_FMT ")",
2895 sz, ram_size);
2896 exit(EXIT_FAILURE);
2897 } else if (slots && sz == ram_size) {
2898 error_report("invalid value of -m option maxmem: "
2899 "memory slots were specified but maximum memory size "
2900 "(0x%" PRIx64 ") is equal to the initial memory size "
2901 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2902 exit(EXIT_FAILURE);
2903 }
2904
2905 *maxram_size = sz;
2906 *ram_slots = slots;
2907 } else if (qemu_opt_get(opts, "slots")) {
2908 error_report("invalid -m option value: missing 'maxmem' option");
2909 exit(EXIT_FAILURE);
2910 }
2911
2912 loc_pop(&loc);
2913 }
2914
2915 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2916 {
2917 GlobalProperty *g;
2918
2919 g = g_malloc0(sizeof(*g));
2920 g->driver = qemu_opt_get(opts, "driver");
2921 g->property = qemu_opt_get(opts, "property");
2922 g->value = qemu_opt_get(opts, "value");
2923 g->user_provided = true;
2924 g->errp = &error_fatal;
2925 qdev_prop_register_global(g);
2926 return 0;
2927 }
2928
2929 static int qemu_read_default_config_file(void)
2930 {
2931 int ret;
2932
2933 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2934 if (ret < 0 && ret != -ENOENT) {
2935 return ret;
2936 }
2937
2938 return 0;
2939 }
2940
2941 static void user_register_global_props(void)
2942 {
2943 qemu_opts_foreach(qemu_find_opts("global"),
2944 global_init_func, NULL, NULL);
2945 }
2946
2947 /*
2948 * Note: we should see that these properties are actually having a
2949 * priority: accel < machine < user. This means e.g. when user
2950 * specifies something in "-global", it'll always be used with highest
2951 * priority than either machine/accelerator compat properties.
2952 */
2953 static void register_global_properties(MachineState *ms)
2954 {
2955 accel_register_compat_props(ms->accelerator);
2956 machine_register_compat_props(ms);
2957 user_register_global_props();
2958 }
2959
2960 int main(int argc, char **argv, char **envp)
2961 {
2962 int i;
2963 int snapshot, linux_boot;
2964 const char *initrd_filename;
2965 const char *kernel_filename, *kernel_cmdline;
2966 const char *boot_order = NULL;
2967 const char *boot_once = NULL;
2968 DisplayState *ds;
2969 QemuOpts *opts, *machine_opts;
2970 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2971 QemuOptsList *olist;
2972 int optind;
2973 const char *optarg;
2974 const char *loadvm = NULL;
2975 MachineClass *machine_class;
2976 const char *cpu_model;
2977 const char *vga_model = NULL;
2978 const char *qtest_chrdev = NULL;
2979 const char *qtest_log = NULL;
2980 const char *incoming = NULL;
2981 bool userconfig = true;
2982 bool nographic = false;
2983 int display_remote = 0;
2984 const char *log_mask = NULL;
2985 const char *log_file = NULL;
2986 char *trace_file = NULL;
2987 ram_addr_t maxram_size;
2988 uint64_t ram_slots = 0;
2989 FILE *vmstate_dump_file = NULL;
2990 Error *main_loop_err = NULL;
2991 Error *err = NULL;
2992 bool list_data_dirs = false;
2993 char *dir, **dirs;
2994 typedef struct BlockdevOptions_queue {
2995 BlockdevOptions *bdo;
2996 Location loc;
2997 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2998 } BlockdevOptions_queue;
2999 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3000 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3001
3002 module_call_init(MODULE_INIT_TRACE);
3003
3004 qemu_init_cpu_list();
3005 qemu_init_cpu_loop();
3006
3007 qemu_mutex_lock_iothread();
3008
3009 atexit(qemu_run_exit_notifiers);
3010 error_set_progname(argv[0]);
3011 qemu_init_exec_dir(argv[0]);
3012
3013 module_call_init(MODULE_INIT_QOM);
3014
3015 qemu_add_opts(&qemu_drive_opts);
3016 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3017 qemu_add_drive_opts(&qemu_common_drive_opts);
3018 qemu_add_drive_opts(&qemu_drive_opts);
3019 qemu_add_drive_opts(&bdrv_runtime_opts);
3020 qemu_add_opts(&qemu_chardev_opts);
3021 qemu_add_opts(&qemu_device_opts);
3022 qemu_add_opts(&qemu_netdev_opts);
3023 qemu_add_opts(&qemu_nic_opts);
3024 qemu_add_opts(&qemu_net_opts);
3025 qemu_add_opts(&qemu_rtc_opts);
3026 qemu_add_opts(&qemu_global_opts);
3027 qemu_add_opts(&qemu_mon_opts);
3028 qemu_add_opts(&qemu_trace_opts);
3029 qemu_add_opts(&qemu_option_rom_opts);
3030 qemu_add_opts(&qemu_machine_opts);
3031 qemu_add_opts(&qemu_accel_opts);
3032 qemu_add_opts(&qemu_mem_opts);
3033 qemu_add_opts(&qemu_smp_opts);
3034 qemu_add_opts(&qemu_boot_opts);
3035 qemu_add_opts(&qemu_add_fd_opts);
3036 qemu_add_opts(&qemu_object_opts);
3037 qemu_add_opts(&qemu_tpmdev_opts);
3038 qemu_add_opts(&qemu_realtime_opts);
3039 qemu_add_opts(&qemu_overcommit_opts);
3040 qemu_add_opts(&qemu_msg_opts);
3041 qemu_add_opts(&qemu_name_opts);
3042 qemu_add_opts(&qemu_numa_opts);
3043 qemu_add_opts(&qemu_icount_opts);
3044 qemu_add_opts(&qemu_semihosting_config_opts);
3045 qemu_add_opts(&qemu_fw_cfg_opts);
3046 module_call_init(MODULE_INIT_OPTS);
3047
3048 runstate_init();
3049 postcopy_infrastructure_init();
3050 monitor_init_globals();
3051
3052 if (qcrypto_init(&err) < 0) {
3053 error_reportf_err(err, "cannot initialize crypto: ");
3054 exit(1);
3055 }
3056
3057 QLIST_INIT (&vm_change_state_head);
3058 os_setup_early_signal_handling();
3059
3060 cpu_model = NULL;
3061 snapshot = 0;
3062
3063 nb_nics = 0;
3064
3065 bdrv_init_with_whitelist();
3066
3067 autostart = 1;
3068
3069 /* first pass of option parsing */
3070 optind = 1;
3071 while (optind < argc) {
3072 if (argv[optind][0] != '-') {
3073 /* disk image */
3074 optind++;
3075 } else {
3076 const QEMUOption *popt;
3077
3078 popt = lookup_opt(argc, argv, &optarg, &optind);
3079 switch (popt->index) {
3080 case QEMU_OPTION_nouserconfig:
3081 userconfig = false;
3082 break;
3083 }
3084 }
3085 }
3086
3087 if (userconfig) {
3088 if (qemu_read_default_config_file() < 0) {
3089 exit(1);
3090 }
3091 }
3092
3093 /* second pass of option parsing */
3094 optind = 1;
3095 for(;;) {
3096 if (optind >= argc)
3097 break;
3098 if (argv[optind][0] != '-') {
3099 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3100 } else {
3101 const QEMUOption *popt;
3102
3103 popt = lookup_opt(argc, argv, &optarg, &optind);
3104 if (!(popt->arch_mask & arch_type)) {
3105 error_report("Option not supported for this target");
3106 exit(1);
3107 }
3108 switch(popt->index) {
3109 case QEMU_OPTION_cpu:
3110 /* hw initialization will check this */
3111 cpu_model = optarg;
3112 break;
3113 case QEMU_OPTION_hda:
3114 case QEMU_OPTION_hdb:
3115 case QEMU_OPTION_hdc:
3116 case QEMU_OPTION_hdd:
3117 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3118 HD_OPTS);
3119 break;
3120 case QEMU_OPTION_blockdev:
3121 {
3122 Visitor *v;
3123 BlockdevOptions_queue *bdo;
3124
3125 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3126 if (!v) {
3127 error_report_err(err);
3128 exit(1);
3129 }
3130
3131 bdo = g_new(BlockdevOptions_queue, 1);
3132 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3133 &error_fatal);
3134 visit_free(v);
3135 loc_save(&bdo->loc);
3136 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3137 break;
3138 }
3139 case QEMU_OPTION_drive:
3140 if (drive_def(optarg) == NULL) {
3141 exit(1);
3142 }
3143 break;
3144 case QEMU_OPTION_set:
3145 if (qemu_set_option(optarg) != 0)
3146 exit(1);
3147 break;
3148 case QEMU_OPTION_global:
3149 if (qemu_global_option(optarg) != 0)
3150 exit(1);
3151 break;
3152 case QEMU_OPTION_mtdblock:
3153 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3154 break;
3155 case QEMU_OPTION_sd:
3156 drive_add(IF_SD, -1, optarg, SD_OPTS);
3157 break;
3158 case QEMU_OPTION_pflash:
3159 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3160 break;
3161 case QEMU_OPTION_snapshot:
3162 snapshot = 1;
3163 break;
3164 case QEMU_OPTION_numa:
3165 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3166 optarg, true);
3167 if (!opts) {
3168 exit(1);
3169 }
3170 break;
3171 case QEMU_OPTION_display:
3172 parse_display(optarg);
3173 break;
3174 case QEMU_OPTION_nographic:
3175 olist = qemu_find_opts("machine");
3176 qemu_opts_parse_noisily(olist, "graphics=off", false);
3177 nographic = true;
3178 dpy.type = DISPLAY_TYPE_NONE;
3179 break;
3180 case QEMU_OPTION_curses:
3181 #ifdef CONFIG_CURSES
3182 dpy.type = DISPLAY_TYPE_CURSES;
3183 #else
3184 error_report("curses support is disabled");
3185 exit(1);
3186 #endif
3187 break;
3188 case QEMU_OPTION_portrait:
3189 graphic_rotate = 90;
3190 break;
3191 case QEMU_OPTION_rotate:
3192 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3193 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3194 graphic_rotate != 180 && graphic_rotate != 270) {
3195 error_report("only 90, 180, 270 deg rotation is available");
3196 exit(1);
3197 }
3198 break;
3199 case QEMU_OPTION_kernel:
3200 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3201 &error_abort);
3202 break;
3203 case QEMU_OPTION_initrd:
3204 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3205 &error_abort);
3206 break;
3207 case QEMU_OPTION_append:
3208 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3209 &error_abort);
3210 break;
3211 case QEMU_OPTION_dtb:
3212 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3213 &error_abort);
3214 break;
3215 case QEMU_OPTION_cdrom:
3216 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3217 break;
3218 case QEMU_OPTION_boot:
3219 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3220 optarg, true);
3221 if (!opts) {
3222 exit(1);
3223 }
3224 break;
3225 case QEMU_OPTION_fda:
3226 case QEMU_OPTION_fdb:
3227 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3228 optarg, FD_OPTS);
3229 break;
3230 case QEMU_OPTION_no_fd_bootchk:
3231 fd_bootchk = 0;
3232 break;
3233 case QEMU_OPTION_netdev:
3234 default_net = 0;
3235 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3236 exit(1);
3237 }
3238 break;
3239 case QEMU_OPTION_nic:
3240 default_net = 0;
3241 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3242 exit(1);
3243 }
3244 break;
3245 case QEMU_OPTION_net:
3246 default_net = 0;
3247 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3248 exit(1);
3249 }
3250 break;
3251 #ifdef CONFIG_LIBISCSI
3252 case QEMU_OPTION_iscsi:
3253 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3254 optarg, false);
3255 if (!opts) {
3256 exit(1);
3257 }
3258 break;
3259 #endif
3260 case QEMU_OPTION_bt:
3261 add_device_config(DEV_BT, optarg);
3262 break;
3263 case QEMU_OPTION_audio_help:
3264 AUD_help ();
3265 exit (0);
3266 break;
3267 case QEMU_OPTION_soundhw:
3268 select_soundhw (optarg);
3269 break;
3270 case QEMU_OPTION_h:
3271 help(0);
3272 break;
3273 case QEMU_OPTION_version:
3274 version();
3275 exit(0);
3276 break;
3277 case QEMU_OPTION_m:
3278 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3279 optarg, true);
3280 if (!opts) {
3281 exit(EXIT_FAILURE);
3282 }
3283 break;
3284 #ifdef CONFIG_TPM
3285 case QEMU_OPTION_tpmdev:
3286 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3287 exit(1);
3288 }
3289 break;
3290 #endif
3291 case QEMU_OPTION_mempath:
3292 mem_path = optarg;
3293 break;
3294 case QEMU_OPTION_mem_prealloc:
3295 mem_prealloc = 1;
3296 break;
3297 case QEMU_OPTION_d:
3298 log_mask = optarg;
3299 break;
3300 case QEMU_OPTION_D:
3301 log_file = optarg;
3302 break;
3303 case QEMU_OPTION_DFILTER:
3304 qemu_set_dfilter_ranges(optarg, &error_fatal);
3305 break;
3306 case QEMU_OPTION_s:
3307 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3308 break;
3309 case QEMU_OPTION_gdb:
3310 add_device_config(DEV_GDB, optarg);
3311 break;
3312 case QEMU_OPTION_L:
3313 if (is_help_option(optarg)) {
3314 list_data_dirs = true;
3315 } else {
3316 qemu_add_data_dir(optarg);
3317 }
3318 break;
3319 case QEMU_OPTION_bios:
3320 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3321 &error_abort);
3322 break;
3323 case QEMU_OPTION_singlestep:
3324 singlestep = 1;
3325 break;
3326 case QEMU_OPTION_S:
3327 autostart = 0;
3328 break;
3329 case QEMU_OPTION_k:
3330 keyboard_layout = optarg;
3331 break;
3332 case QEMU_OPTION_vga:
3333 vga_model = optarg;
3334 default_vga = 0;
3335 break;
3336 case QEMU_OPTION_g:
3337 {
3338 const char *p;
3339 int w, h, depth;
3340 p = optarg;
3341 w = strtol(p, (char **)&p, 10);
3342 if (w <= 0) {
3343 graphic_error:
3344 error_report("invalid resolution or depth");
3345 exit(1);
3346 }
3347 if (*p != 'x')
3348 goto graphic_error;
3349 p++;
3350 h = strtol(p, (char **)&p, 10);
3351 if (h <= 0)
3352 goto graphic_error;
3353 if (*p == 'x') {
3354 p++;
3355 depth = strtol(p, (char **)&p, 10);
3356 if (depth != 8 && depth != 15 && depth != 16 &&
3357 depth != 24 && depth != 32)
3358 goto graphic_error;
3359 } else if (*p == '\0') {
3360 depth = graphic_depth;
3361 } else {
3362 goto graphic_error;
3363 }
3364
3365 graphic_width = w;
3366 graphic_height = h;
3367 graphic_depth = depth;
3368 }
3369 break;
3370 case QEMU_OPTION_echr:
3371 {
3372 char *r;
3373 term_escape_char = strtol(optarg, &r, 0);
3374 if (r == optarg)
3375 printf("Bad argument to echr\n");
3376 break;
3377 }
3378 case QEMU_OPTION_monitor:
3379 default_monitor = 0;
3380 if (strncmp(optarg, "none", 4)) {
3381 monitor_parse(optarg, "readline", false);
3382 }
3383 break;
3384 case QEMU_OPTION_qmp:
3385 monitor_parse(optarg, "control", false);
3386 default_monitor = 0;
3387 break;
3388 case QEMU_OPTION_qmp_pretty:
3389 monitor_parse(optarg, "control", true);
3390 default_monitor = 0;
3391 break;
3392 case QEMU_OPTION_mon:
3393 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3394 true);
3395 if (!opts) {
3396 exit(1);
3397 }
3398 default_monitor = 0;
3399 break;
3400 case QEMU_OPTION_chardev:
3401 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3402 optarg, true);
3403 if (!opts) {
3404 exit(1);
3405 }
3406 break;
3407 case QEMU_OPTION_fsdev:
3408 olist = qemu_find_opts("fsdev");
3409 if (!olist) {
3410 error_report("fsdev support is disabled");
3411 exit(1);
3412 }
3413 opts = qemu_opts_parse_noisily(olist, optarg, true);
3414 if (!opts) {
3415 exit(1);
3416 }
3417 break;
3418 case QEMU_OPTION_virtfs: {
3419 QemuOpts *fsdev;
3420 QemuOpts *device;
3421 const char *writeout, *sock_fd, *socket, *path, *security_model;
3422
3423 olist = qemu_find_opts("virtfs");
3424 if (!olist) {
3425 error_report("virtfs support is disabled");
3426 exit(1);
3427 }
3428 opts = qemu_opts_parse_noisily(olist, optarg, true);
3429 if (!opts) {
3430 exit(1);
3431 }
3432
3433 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3434 qemu_opt_get(opts, "mount_tag") == NULL) {
3435 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3436 exit(1);
3437 }
3438 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3439 qemu_opts_id(opts) ?:
3440 qemu_opt_get(opts, "mount_tag"),
3441 1, NULL);
3442 if (!fsdev) {
3443 error_report("duplicate or invalid fsdev id: %s",
3444 qemu_opt_get(opts, "mount_tag"));
3445 exit(1);
3446 }
3447
3448 writeout = qemu_opt_get(opts, "writeout");
3449 if (writeout) {
3450 #ifdef CONFIG_SYNC_FILE_RANGE
3451 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3452 #else
3453 error_report("writeout=immediate not supported "
3454 "on this platform");
3455 exit(1);
3456 #endif
3457 }
3458 qemu_opt_set(fsdev, "fsdriver",
3459 qemu_opt_get(opts, "fsdriver"), &error_abort);
3460 path = qemu_opt_get(opts, "path");
3461 if (path) {
3462 qemu_opt_set(fsdev, "path", path, &error_abort);
3463 }
3464 security_model = qemu_opt_get(opts, "security_model");
3465 if (security_model) {
3466 qemu_opt_set(fsdev, "security_model", security_model,
3467 &error_abort);
3468 }
3469 socket = qemu_opt_get(opts, "socket");
3470 if (socket) {
3471 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3472 }
3473 sock_fd = qemu_opt_get(opts, "sock_fd");
3474 if (sock_fd) {
3475 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3476 }
3477
3478 qemu_opt_set_bool(fsdev, "readonly",
3479 qemu_opt_get_bool(opts, "readonly", 0),
3480 &error_abort);
3481 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3482 &error_abort);
3483 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3484 qemu_opt_set(device, "fsdev",
3485 qemu_opts_id(fsdev), &error_abort);
3486 qemu_opt_set(device, "mount_tag",
3487 qemu_opt_get(opts, "mount_tag"), &error_abort);
3488 break;
3489 }
3490 case QEMU_OPTION_virtfs_synth: {
3491 QemuOpts *fsdev;
3492 QemuOpts *device;
3493
3494 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3495 1, NULL);
3496 if (!fsdev) {
3497 error_report("duplicate option: %s", "virtfs_synth");
3498 exit(1);
3499 }
3500 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3501
3502 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3503 &error_abort);
3504 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3505 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3506 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3507 break;
3508 }
3509 case QEMU_OPTION_serial:
3510 add_device_config(DEV_SERIAL, optarg);
3511 default_serial = 0;
3512 if (strncmp(optarg, "mon:", 4) == 0) {
3513 default_monitor = 0;
3514 }
3515 break;
3516 case QEMU_OPTION_watchdog:
3517 if (watchdog) {
3518 error_report("only one watchdog option may be given");
3519 return 1;
3520 }
3521 watchdog = optarg;
3522 break;
3523 case QEMU_OPTION_watchdog_action:
3524 if (select_watchdog_action(optarg) == -1) {
3525 error_report("unknown -watchdog-action parameter");
3526 exit(1);
3527 }
3528 break;
3529 case QEMU_OPTION_virtiocon:
3530 warn_report("This option is deprecated, "
3531 "use '-device virtconsole' instead");
3532 add_device_config(DEV_VIRTCON, optarg);
3533 default_virtcon = 0;
3534 if (strncmp(optarg, "mon:", 4) == 0) {
3535 default_monitor = 0;
3536 }
3537 break;
3538 case QEMU_OPTION_parallel:
3539 add_device_config(DEV_PARALLEL, optarg);
3540 default_parallel = 0;
3541 if (strncmp(optarg, "mon:", 4) == 0) {
3542 default_monitor = 0;
3543 }
3544 break;
3545 case QEMU_OPTION_debugcon:
3546 add_device_config(DEV_DEBUGCON, optarg);
3547 break;
3548 case QEMU_OPTION_loadvm:
3549 loadvm = optarg;
3550 break;
3551 case QEMU_OPTION_full_screen:
3552 dpy.has_full_screen = true;
3553 dpy.full_screen = true;
3554 break;
3555 case QEMU_OPTION_no_frame:
3556 g_printerr("The -no-frame switch is deprecated, and will be\n"
3557 "removed in a future release.\n");
3558 no_frame = 1;
3559 break;
3560 case QEMU_OPTION_alt_grab:
3561 alt_grab = 1;
3562 break;
3563 case QEMU_OPTION_ctrl_grab:
3564 ctrl_grab = 1;
3565 break;
3566 case QEMU_OPTION_no_quit:
3567 dpy.has_window_close = true;
3568 dpy.window_close = false;
3569 break;
3570 case QEMU_OPTION_sdl:
3571 #ifdef CONFIG_SDL
3572 dpy.type = DISPLAY_TYPE_SDL;
3573 break;
3574 #else
3575 error_report("SDL support is disabled");
3576 exit(1);
3577 #endif
3578 case QEMU_OPTION_pidfile:
3579 pid_file = optarg;
3580 break;
3581 case QEMU_OPTION_win2k_hack:
3582 win2k_install_hack = 1;
3583 break;
3584 case QEMU_OPTION_acpitable:
3585 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3586 optarg, true);
3587 if (!opts) {
3588 exit(1);
3589 }
3590 acpi_table_add(opts, &error_fatal);
3591 break;
3592 case QEMU_OPTION_smbios:
3593 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3594 optarg, false);
3595 if (!opts) {
3596 exit(1);
3597 }
3598 smbios_entry_add(opts, &error_fatal);
3599 break;
3600 case QEMU_OPTION_fwcfg:
3601 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3602 optarg, true);
3603 if (opts == NULL) {
3604 exit(1);
3605 }
3606 break;
3607 case QEMU_OPTION_preconfig:
3608 preconfig_exit_requested = false;
3609 break;
3610 case QEMU_OPTION_enable_kvm:
3611 olist = qemu_find_opts("machine");
3612 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3613 break;
3614 case QEMU_OPTION_enable_hax:
3615 warn_report("Option is deprecated, use '-accel hax' instead");
3616 olist = qemu_find_opts("machine");
3617 qemu_opts_parse_noisily(olist, "accel=hax", false);
3618 break;
3619 case QEMU_OPTION_M:
3620 case QEMU_OPTION_machine:
3621 olist = qemu_find_opts("machine");
3622 opts = qemu_opts_parse_noisily(olist, optarg, true);
3623 if (!opts) {
3624 exit(1);
3625 }
3626 break;
3627 case QEMU_OPTION_no_kvm:
3628 olist = qemu_find_opts("machine");
3629 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3630 break;
3631 case QEMU_OPTION_accel:
3632 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3633 optarg, true);
3634 optarg = qemu_opt_get(accel_opts, "accel");
3635 if (!optarg || is_help_option(optarg)) {
3636 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3637 exit(0);
3638 }
3639 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3640 false, &error_abort);
3641 qemu_opt_set(opts, "accel", optarg, &error_abort);
3642 break;
3643 case QEMU_OPTION_usb:
3644 olist = qemu_find_opts("machine");
3645 qemu_opts_parse_noisily(olist, "usb=on", false);
3646 break;
3647 case QEMU_OPTION_usbdevice:
3648 error_report("'-usbdevice' is deprecated, please use "
3649 "'-device usb-...' instead");
3650 olist = qemu_find_opts("machine");
3651 qemu_opts_parse_noisily(olist, "usb=on", false);
3652 add_device_config(DEV_USB, optarg);
3653 break;
3654 case QEMU_OPTION_device:
3655 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3656 optarg, true)) {
3657 exit(1);
3658 }
3659 break;
3660 case QEMU_OPTION_smp:
3661 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3662 optarg, true)) {
3663 exit(1);
3664 }
3665 break;
3666 case QEMU_OPTION_vnc:
3667 vnc_parse(optarg, &error_fatal);
3668 break;
3669 case QEMU_OPTION_no_acpi:
3670 acpi_enabled = 0;
3671 break;
3672 case QEMU_OPTION_no_hpet:
3673 no_hpet = 1;
3674 break;
3675 case QEMU_OPTION_no_reboot:
3676 no_reboot = 1;
3677 break;
3678 case QEMU_OPTION_no_shutdown:
3679 no_shutdown = 1;
3680 break;
3681 case QEMU_OPTION_show_cursor:
3682 cursor_hide = 0;
3683 break;
3684 case QEMU_OPTION_uuid:
3685 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3686 error_report("failed to parse UUID string: wrong format");
3687 exit(1);
3688 }
3689 qemu_uuid_set = true;
3690 break;
3691 case QEMU_OPTION_option_rom:
3692 if (nb_option_roms >= MAX_OPTION_ROMS) {
3693 error_report("too many option ROMs");
3694 exit(1);
3695 }
3696 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3697 optarg, true);
3698 if (!opts) {
3699 exit(1);
3700 }
3701 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3702 option_rom[nb_option_roms].bootindex =
3703 qemu_opt_get_number(opts, "bootindex", -1);
3704 if (!option_rom[nb_option_roms].name) {
3705 error_report("Option ROM file is not specified");
3706 exit(1);
3707 }
3708 nb_option_roms++;
3709 break;
3710 case QEMU_OPTION_semihosting:
3711 semihosting.enabled = true;
3712 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3713 break;
3714 case QEMU_OPTION_semihosting_config:
3715 semihosting.enabled = true;
3716 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3717 optarg, false);
3718 if (opts != NULL) {
3719 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3720 true);
3721 const char *target = qemu_opt_get(opts, "target");
3722 if (target != NULL) {
3723 if (strcmp("native", target) == 0) {
3724 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3725 } else if (strcmp("gdb", target) == 0) {
3726 semihosting.target = SEMIHOSTING_TARGET_GDB;
3727 } else if (strcmp("auto", target) == 0) {
3728 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3729 } else {
3730 error_report("unsupported semihosting-config %s",
3731 optarg);
3732 exit(1);
3733 }
3734 } else {
3735 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3736 }
3737 /* Set semihosting argument count and vector */
3738 qemu_opt_foreach(opts, add_semihosting_arg,
3739 &semihosting, NULL);
3740 } else {
3741 error_report("unsupported semihosting-config %s", optarg);
3742 exit(1);
3743 }
3744 break;
3745 case QEMU_OPTION_name:
3746 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3747 optarg, true);
3748 if (!opts) {
3749 exit(1);
3750 }
3751 break;
3752 case QEMU_OPTION_prom_env:
3753 if (nb_prom_envs >= MAX_PROM_ENVS) {
3754 error_report("too many prom variables");
3755 exit(1);
3756 }
3757 prom_envs[nb_prom_envs] = optarg;
3758 nb_prom_envs++;
3759 break;
3760 case QEMU_OPTION_old_param:
3761 old_param = 1;
3762 break;
3763 case QEMU_OPTION_clock:
3764 /* Clock options no longer exist. Keep this option for
3765 * backward compatibility.
3766 */
3767 warn_report("This option is ignored and will be removed soon");
3768 break;
3769 case QEMU_OPTION_rtc:
3770 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3771 false);
3772 if (!opts) {
3773 exit(1);
3774 }
3775 break;
3776 case QEMU_OPTION_tb_size:
3777 #ifndef CONFIG_TCG
3778 error_report("TCG is disabled");
3779 exit(1);
3780 #endif
3781 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3782 error_report("Invalid argument to -tb-size");
3783 exit(1);
3784 }
3785 break;
3786 case QEMU_OPTION_icount:
3787 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3788 optarg, true);
3789 if (!icount_opts) {
3790 exit(1);
3791 }
3792 break;
3793 case QEMU_OPTION_incoming:
3794 if (!incoming) {
3795 runstate_set(RUN_STATE_INMIGRATE);
3796 }
3797 incoming = optarg;
3798 break;
3799 case QEMU_OPTION_only_migratable:
3800 /*
3801 * TODO: we can remove this option one day, and we
3802 * should all use:
3803 *
3804 * "-global migration.only-migratable=true"
3805 */
3806 qemu_global_option("migration.only-migratable=true");
3807 break;
3808 case QEMU_OPTION_nodefaults:
3809 has_defaults = 0;
3810 break;
3811 case QEMU_OPTION_xen_domid:
3812 if (!(xen_available())) {
3813 error_report("Option not supported for this target");
3814 exit(1);
3815 }
3816 xen_domid = atoi(optarg);
3817 break;
3818 case QEMU_OPTION_xen_create:
3819 if (!(xen_available())) {
3820 error_report("Option not supported for this target");
3821 exit(1);
3822 }
3823 xen_mode = XEN_CREATE;
3824 break;
3825 case QEMU_OPTION_xen_attach:
3826 if (!(xen_available())) {
3827 error_report("Option not supported for this target");
3828 exit(1);
3829 }
3830 xen_mode = XEN_ATTACH;
3831 break;
3832 case QEMU_OPTION_xen_domid_restrict:
3833 if (!(xen_available())) {
3834 error_report("Option not supported for this target");
3835 exit(1);
3836 }
3837 xen_domid_restrict = true;
3838 break;
3839 case QEMU_OPTION_trace:
3840 g_free(trace_file);
3841 trace_file = trace_opt_parse(optarg);
3842 break;
3843 case QEMU_OPTION_readconfig:
3844 {
3845 int ret = qemu_read_config_file(optarg);
3846 if (ret < 0) {
3847 error_report("read config %s: %s", optarg,
3848 strerror(-ret));
3849 exit(1);
3850 }
3851 break;
3852 }
3853 case QEMU_OPTION_spice:
3854 olist = qemu_find_opts("spice");
3855 if (!olist) {
3856 error_report("spice support is disabled");
3857 exit(1);
3858 }
3859 opts = qemu_opts_parse_noisily(olist, optarg, false);
3860 if (!opts) {
3861 exit(1);
3862 }
3863 display_remote++;
3864 break;
3865 case QEMU_OPTION_writeconfig:
3866 {
3867 FILE *fp;
3868 if (strcmp(optarg, "-") == 0) {
3869 fp = stdout;
3870 } else {
3871 fp = fopen(optarg, "w");
3872 if (fp == NULL) {
3873 error_report("open %s: %s", optarg,
3874 strerror(errno));
3875 exit(1);
3876 }
3877 }
3878 qemu_config_write(fp);
3879 if (fp != stdout) {
3880 fclose(fp);
3881 }
3882 break;
3883 }
3884 case QEMU_OPTION_qtest:
3885 qtest_chrdev = optarg;
3886 break;
3887 case QEMU_OPTION_qtest_log:
3888 qtest_log = optarg;
3889 break;
3890 case QEMU_OPTION_sandbox:
3891 #ifdef CONFIG_SECCOMP
3892 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3893 optarg, true);
3894 if (!opts) {
3895 exit(1);
3896 }
3897 #else
3898 error_report("-sandbox support is not enabled "
3899 "in this QEMU binary");
3900 exit(1);
3901 #endif
3902 break;
3903 case QEMU_OPTION_add_fd:
3904 #ifndef _WIN32
3905 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3906 optarg, false);
3907 if (!opts) {
3908 exit(1);
3909 }
3910 #else
3911 error_report("File descriptor passing is disabled on this "
3912 "platform");
3913 exit(1);
3914 #endif
3915 break;
3916 case QEMU_OPTION_object:
3917 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3918 optarg, true);
3919 if (!opts) {
3920 exit(1);
3921 }
3922 break;
3923 case QEMU_OPTION_realtime:
3924 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3925 optarg, false);
3926 if (!opts) {
3927 exit(1);
3928 }
3929 /* Don't override the -overcommit option if set */
3930 enable_mlock = enable_mlock ||
3931 qemu_opt_get_bool(opts, "mlock", true);
3932 break;
3933 case QEMU_OPTION_overcommit:
3934 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3935 optarg, false);
3936 if (!opts) {
3937 exit(1);
3938 }
3939 /* Don't override the -realtime option if set */
3940 enable_mlock = enable_mlock ||
3941 qemu_opt_get_bool(opts, "mem-lock", false);
3942 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3943 break;
3944 case QEMU_OPTION_msg:
3945 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3946 false);
3947 if (!opts) {
3948 exit(1);
3949 }
3950 configure_msg(opts);
3951 break;
3952 case QEMU_OPTION_dump_vmstate:
3953 if (vmstate_dump_file) {
3954 error_report("only one '-dump-vmstate' "
3955 "option may be given");
3956 exit(1);
3957 }
3958 vmstate_dump_file = fopen(optarg, "w");
3959 if (vmstate_dump_file == NULL) {
3960 error_report("open %s: %s", optarg, strerror(errno));
3961 exit(1);
3962 }
3963 break;
3964 case QEMU_OPTION_enable_sync_profile:
3965 qsp_enable();
3966 break;
3967 case QEMU_OPTION_nouserconfig:
3968 /* Nothing to be parsed here. Especially, do not error out below. */
3969 break;
3970 default:
3971 if (os_parse_cmd_args(popt->index, optarg)) {
3972 error_report("Option not supported in this build");
3973 exit(1);
3974 }
3975 }
3976 }
3977 }
3978 /*
3979 * Clear error location left behind by the loop.
3980 * Best done right after the loop. Do not insert code here!
3981 */
3982 loc_set_none();
3983
3984 replay_configure(icount_opts);
3985
3986 if (incoming && !preconfig_exit_requested) {
3987 error_report("'preconfig' and 'incoming' options are "
3988 "mutually exclusive");
3989 exit(EXIT_FAILURE);
3990 }
3991
3992 configure_rtc(qemu_find_opts_singleton("rtc"));
3993
3994 machine_class = select_machine();
3995
3996 set_memory_options(&ram_slots, &maxram_size, machine_class);
3997
3998 os_daemonize();
3999 rcu_disable_atfork();
4000
4001 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4002 error_reportf_err(err, "cannot create PID file: ");
4003 exit(1);
4004 }
4005
4006 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4007 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4008
4009 if (qemu_init_main_loop(&main_loop_err)) {
4010 error_report_err(main_loop_err);
4011 exit(1);
4012 }
4013
4014 #ifdef CONFIG_SECCOMP
4015 olist = qemu_find_opts_err("sandbox", NULL);
4016 if (olist) {
4017 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4018 }
4019 #endif
4020
4021 qemu_opts_foreach(qemu_find_opts("name"),
4022 parse_name, NULL, &error_fatal);
4023
4024 #ifndef _WIN32
4025 qemu_opts_foreach(qemu_find_opts("add-fd"),
4026 parse_add_fd, NULL, &error_fatal);
4027
4028 qemu_opts_foreach(qemu_find_opts("add-fd"),
4029 cleanup_add_fd, NULL, &error_fatal);
4030 #endif
4031
4032 current_machine = MACHINE(object_new(object_class_get_name(
4033 OBJECT_CLASS(machine_class))));
4034 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4035 exit(0);
4036 }
4037 object_property_add_child(object_get_root(), "machine",
4038 OBJECT(current_machine), &error_abort);
4039
4040 if (machine_class->minimum_page_bits) {
4041 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4042 /* This would be a board error: specifying a minimum smaller than
4043 * a target's compile-time fixed setting.
4044 */
4045 g_assert_not_reached();
4046 }
4047 }
4048
4049 cpu_exec_init_all();
4050
4051 if (machine_class->hw_version) {
4052 qemu_set_hw_version(machine_class->hw_version);
4053 }
4054
4055 if (cpu_model && is_help_option(cpu_model)) {
4056 list_cpus(stdout, &fprintf, cpu_model);
4057 exit(0);
4058 }
4059
4060 if (!trace_init_backends()) {
4061 exit(1);
4062 }
4063 trace_init_file(trace_file);
4064
4065 /* Open the logfile at this point and set the log mask if necessary.
4066 */
4067 if (log_file) {
4068 qemu_set_log_filename(log_file, &error_fatal);
4069 }
4070
4071 if (log_mask) {
4072 int mask;
4073 mask = qemu_str_to_log_mask(log_mask);
4074 if (!mask) {
4075 qemu_print_log_usage(stdout);
4076 exit(1);
4077 }
4078 qemu_set_log(mask);
4079 } else {
4080 qemu_set_log(0);
4081 }
4082
4083 /* add configured firmware directories */
4084 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4085 for (i = 0; dirs[i] != NULL; i++) {
4086 qemu_add_data_dir(dirs[i]);
4087 }
4088 g_strfreev(dirs);
4089
4090 /* try to find datadir relative to the executable path */
4091 dir = os_find_datadir();
4092 qemu_add_data_dir(dir);
4093 g_free(dir);
4094
4095 /* add the datadir specified when building */
4096 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4097
4098 /* -L help lists the data directories and exits. */
4099 if (list_data_dirs) {
4100 for (i = 0; i < data_dir_idx; i++) {
4101 printf("%s\n", data_dir[i]);
4102 }
4103 exit(0);
4104 }
4105
4106 /* machine_class: default to UP */
4107 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4108 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4109 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4110
4111 /* default to machine_class->default_cpus */
4112 smp_cpus = machine_class->default_cpus;
4113 max_cpus = machine_class->default_cpus;
4114
4115 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4116
4117 /* sanity-check smp_cpus and max_cpus against machine_class */
4118 if (smp_cpus < machine_class->min_cpus) {
4119 error_report("Invalid SMP CPUs %d. The min CPUs "
4120 "supported by machine '%s' is %d", smp_cpus,
4121 machine_class->name, machine_class->min_cpus);
4122 exit(1);
4123 }
4124 if (max_cpus > machine_class->max_cpus) {
4125 error_report("Invalid SMP CPUs %d. The max CPUs "
4126 "supported by machine '%s' is %d", max_cpus,
4127 machine_class->name, machine_class->max_cpus);
4128 exit(1);
4129 }
4130
4131 /*
4132 * Get the default machine options from the machine if it is not already
4133 * specified either by the configuration file or by the command line.
4134 */
4135 if (machine_class->default_machine_opts) {
4136 qemu_opts_set_defaults(qemu_find_opts("machine"),
4137 machine_class->default_machine_opts, 0);
4138 }
4139
4140 qemu_opts_foreach(qemu_find_opts("device"),
4141 default_driver_check, NULL, NULL);
4142 qemu_opts_foreach(qemu_find_opts("global"),
4143 default_driver_check, NULL, NULL);
4144
4145 if (!vga_model && !default_vga) {
4146 vga_interface_type = VGA_DEVICE;
4147 }
4148 if (!has_defaults || machine_class->no_serial) {
4149 default_serial = 0;
4150 }
4151 if (!has_defaults || machine_class->no_parallel) {
4152 default_parallel = 0;
4153 }
4154 if (!has_defaults || !machine_class->use_virtcon) {
4155 default_virtcon = 0;
4156 }
4157 if (!has_defaults || machine_class->no_floppy) {
4158 default_floppy = 0;
4159 }
4160 if (!has_defaults || machine_class->no_cdrom) {
4161 default_cdrom = 0;
4162 }
4163 if (!has_defaults || machine_class->no_sdcard) {
4164 default_sdcard = 0;
4165 }
4166 if (!has_defaults) {
4167 default_monitor = 0;
4168 default_net = 0;
4169 default_vga = 0;
4170 }
4171
4172 if (is_daemonized()) {
4173 if (!preconfig_exit_requested) {
4174 error_report("'preconfig' and 'daemonize' options are "
4175 "mutually exclusive");
4176 exit(EXIT_FAILURE);
4177 }
4178
4179 /* According to documentation and historically, -nographic redirects
4180 * serial port, parallel port and monitor to stdio, which does not work
4181 * with -daemonize. We can redirect these to null instead, but since
4182 * -nographic is legacy, let's just error out.
4183 * We disallow -nographic only if all other ports are not redirected
4184 * explicitly, to not break existing legacy setups which uses
4185 * -nographic _and_ redirects all ports explicitly - this is valid
4186 * usage, -nographic is just a no-op in this case.
4187 */
4188 if (nographic
4189 && (default_parallel || default_serial
4190 || default_monitor || default_virtcon)) {
4191 error_report("-nographic cannot be used with -daemonize");
4192 exit(1);
4193 }
4194 #ifdef CONFIG_CURSES
4195 if (dpy.type == DISPLAY_TYPE_CURSES) {
4196 error_report("curses display cannot be used with -daemonize");
4197 exit(1);
4198 }
4199 #endif
4200 }
4201
4202 if (nographic) {
4203 if (default_parallel)
4204 add_device_config(DEV_PARALLEL, "null");
4205 if (default_serial && default_monitor) {
4206 add_device_config(DEV_SERIAL, "mon:stdio");
4207 } else if (default_virtcon && default_monitor) {
4208 add_device_config(DEV_VIRTCON, "mon:stdio");
4209 } else {
4210 if (default_serial)
4211 add_device_config(DEV_SERIAL, "stdio");
4212 if (default_virtcon)
4213 add_device_config(DEV_VIRTCON, "stdio");
4214 if (default_monitor)
4215 monitor_parse("stdio", "readline", false);
4216 }
4217 } else {
4218 if (default_serial)
4219 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4220 if (default_parallel)
4221 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4222 if (default_monitor)
4223 monitor_parse("vc:80Cx24C", "readline", false);
4224 if (default_virtcon)
4225 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4226 }
4227
4228 #if defined(CONFIG_VNC)
4229 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4230 display_remote++;
4231 }
4232 #endif
4233 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4234 if (!qemu_display_find_default(&dpy)) {
4235 dpy.type = DISPLAY_TYPE_NONE;
4236 #if defined(CONFIG_VNC)
4237 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4238 #endif
4239 }
4240 }
4241 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4242 dpy.type = DISPLAY_TYPE_NONE;
4243 }
4244
4245 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4246 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4247 "for SDL, ignoring option");
4248 }
4249 if (dpy.has_window_close &&
4250 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4251 error_report("-no-quit is only valid for GTK and SDL, "
4252 "ignoring option");
4253 }
4254
4255 qemu_display_early_init(&dpy);
4256 qemu_console_early_init();
4257
4258 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4259 #if defined(CONFIG_OPENGL)
4260 error_report("OpenGL is not supported by the display");
4261 #else
4262 error_report("OpenGL support is disabled");
4263 #endif
4264 exit(1);
4265 }
4266
4267 page_size_init();
4268 socket_init();
4269
4270 qemu_opts_foreach(qemu_find_opts("object"),
4271 user_creatable_add_opts_foreach,
4272 object_create_initial, &error_fatal);
4273
4274 qemu_opts_foreach(qemu_find_opts("chardev"),
4275 chardev_init_func, NULL, &error_fatal);
4276
4277 #ifdef CONFIG_VIRTFS
4278 qemu_opts_foreach(qemu_find_opts("fsdev"),
4279 fsdev_init_func, NULL, &error_fatal);
4280 #endif
4281
4282 if (qemu_opts_foreach(qemu_find_opts("device"),
4283 device_help_func, NULL, NULL)) {
4284 exit(0);
4285 }
4286
4287 machine_opts = qemu_get_machine_opts();
4288 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4289 &error_fatal);
4290
4291 configure_accelerator(current_machine);
4292
4293 if (!qtest_enabled() && machine_class->deprecation_reason) {
4294 error_report("Machine type '%s' is deprecated: %s",
4295 machine_class->name, machine_class->deprecation_reason);
4296 }
4297
4298 /*
4299 * Register all the global properties, including accel properties,
4300 * machine properties, and user-specified ones.
4301 */
4302 register_global_properties(current_machine);
4303
4304 /*
4305 * Migration object can only be created after global properties
4306 * are applied correctly.
4307 */
4308 migration_object_init();
4309
4310 if (qtest_chrdev) {
4311 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4312 }
4313
4314 machine_opts = qemu_get_machine_opts();
4315 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4316 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4317 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4318 bios_name = qemu_opt_get(machine_opts, "firmware");
4319
4320 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4321 if (opts) {
4322 boot_order = qemu_opt_get(opts, "order");
4323 if (boot_order) {
4324 validate_bootdevices(boot_order, &error_fatal);
4325 }
4326
4327 boot_once = qemu_opt_get(opts, "once");
4328 if (boot_once) {
4329 validate_bootdevices(boot_once, &error_fatal);
4330 }
4331
4332 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4333 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4334 }
4335
4336 if (!boot_order) {
4337 boot_order = machine_class->default_boot_order;
4338 }
4339
4340 if (!kernel_cmdline) {
4341 kernel_cmdline = "";
4342 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4343 }
4344
4345 linux_boot = (kernel_filename != NULL);
4346
4347 if (!linux_boot && *kernel_cmdline != '\0') {
4348 error_report("-append only allowed with -kernel option");
4349 exit(1);
4350 }
4351
4352 if (!linux_boot && initrd_filename != NULL) {
4353 error_report("-initrd only allowed with -kernel option");
4354 exit(1);
4355 }
4356
4357 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4358 /* fall back to the -kernel/-append */
4359 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4360 }
4361
4362 os_set_line_buffering();
4363
4364 /* spice needs the timers to be initialized by this point */
4365 qemu_spice_init();
4366
4367 cpu_ticks_init();
4368 if (icount_opts) {
4369 if (!tcg_enabled()) {
4370 error_report("-icount is not allowed with hardware virtualization");
4371 exit(1);
4372 }
4373 configure_icount(icount_opts, &error_abort);
4374 qemu_opts_del(icount_opts);
4375 }
4376
4377 if (tcg_enabled()) {
4378 qemu_tcg_configure(accel_opts, &error_fatal);
4379 }
4380
4381 if (default_net) {
4382 QemuOptsList *net = qemu_find_opts("net");
4383 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4384 #ifdef CONFIG_SLIRP
4385 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4386 #endif
4387 }
4388
4389 if (net_init_clients(&err) < 0) {
4390 error_report_err(err);
4391 exit(1);
4392 }
4393
4394 qemu_opts_foreach(qemu_find_opts("object"),
4395 user_creatable_add_opts_foreach,
4396 object_create_delayed, &error_fatal);
4397
4398 tpm_init();
4399
4400 /* init the bluetooth world */
4401 if (foreach_device_config(DEV_BT, bt_parse))
4402 exit(1);
4403
4404 if (!xen_enabled()) {
4405 /* On 32-bit hosts, QEMU is limited by virtual address space */
4406 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4407 error_report("at most 2047 MB RAM can be simulated");
4408 exit(1);
4409 }
4410 }
4411
4412 blk_mig_init();
4413 ram_mig_init();
4414 dirty_bitmap_mig_init();
4415
4416 /* If the currently selected machine wishes to override the units-per-bus
4417 * property of its default HBA interface type, do so now. */
4418 if (machine_class->units_per_default_bus) {
4419 override_max_devs(machine_class->block_default_type,
4420 machine_class->units_per_default_bus);
4421 }
4422
4423 /* open the virtual block devices */
4424 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4425 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4426
4427 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4428 loc_push_restore(&bdo->loc);
4429 qmp_blockdev_add(bdo->bdo, &error_fatal);
4430 loc_pop(&bdo->loc);
4431 qapi_free_BlockdevOptions(bdo->bdo);
4432 g_free(bdo);
4433 }
4434 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4435 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4436 NULL, NULL);
4437 }
4438 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4439 &machine_class->block_default_type, &error_fatal)) {
4440 /* We printed help */
4441 exit(0);
4442 }
4443
4444 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4445 CDROM_OPTS);
4446 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4447 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4448
4449 qemu_opts_foreach(qemu_find_opts("mon"),
4450 mon_init_func, NULL, &error_fatal);
4451
4452 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4453 exit(1);
4454 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4455 exit(1);
4456 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4457 exit(1);
4458 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4459 exit(1);
4460
4461 /* If no default VGA is requested, the default is "none". */
4462 if (default_vga) {
4463 if (machine_class->default_display) {
4464 vga_model = machine_class->default_display;
4465 } else if (vga_interface_available(VGA_CIRRUS)) {
4466 vga_model = "cirrus";
4467 } else if (vga_interface_available(VGA_STD)) {
4468 vga_model = "std";
4469 }
4470 }
4471 if (vga_model) {
4472 select_vgahw(vga_model);
4473 }
4474
4475 if (watchdog) {
4476 i = select_watchdog(watchdog);
4477 if (i > 0)
4478 exit (i == 1 ? 1 : 0);
4479 }
4480
4481 /* This checkpoint is required by replay to separate prior clock
4482 reading from the other reads, because timer polling functions query
4483 clock values from the log. */
4484 replay_checkpoint(CHECKPOINT_INIT);
4485 qdev_machine_init();
4486
4487 current_machine->ram_size = ram_size;
4488 current_machine->maxram_size = maxram_size;
4489 current_machine->ram_slots = ram_slots;
4490 current_machine->boot_order = boot_order;
4491
4492 /* parse features once if machine provides default cpu_type */
4493 current_machine->cpu_type = machine_class->default_cpu_type;
4494 if (cpu_model) {
4495 current_machine->cpu_type = parse_cpu_model(cpu_model);
4496 }
4497 parse_numa_opts(current_machine);
4498
4499 /* do monitor/qmp handling at preconfig state if requested */
4500 main_loop();
4501
4502 /* from here on runstate is RUN_STATE_PRELAUNCH */
4503 machine_run_board_init(current_machine);
4504
4505 realtime_init();
4506
4507 soundhw_init();
4508
4509 if (hax_enabled()) {
4510 hax_sync_vcpus();
4511 }
4512
4513 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4514 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4515
4516 /* init USB devices */
4517 if (machine_usb(current_machine)) {
4518 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4519 exit(1);
4520 }
4521
4522 /* Check if IGD GFX passthrough. */
4523 igd_gfx_passthru();
4524
4525 /* init generic devices */
4526 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4527 qemu_opts_foreach(qemu_find_opts("device"),
4528 device_init_func, NULL, &error_fatal);
4529
4530 cpu_synchronize_all_post_init();
4531
4532 rom_reset_order_override();
4533
4534 /* Did we create any drives that we failed to create a device for? */
4535 drive_check_orphaned();
4536
4537 /* Don't warn about the default network setup that you get if
4538 * no command line -net or -netdev options are specified. There
4539 * are two cases that we would otherwise complain about:
4540 * (1) board doesn't support a NIC but the implicit "-net nic"
4541 * requested one
4542 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4543 * sets up a nic that isn't connected to anything.
4544 */
4545 if (!default_net && (!qtest_enabled() || has_defaults)) {
4546 net_check_clients();
4547 }
4548
4549 if (boot_once) {
4550 qemu_boot_set(boot_once, &error_fatal);
4551 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4552 }
4553
4554 /* init local displays */
4555 ds = init_displaystate();
4556 qemu_display_init(ds, &dpy);
4557
4558 /* must be after terminal init, SDL library changes signal handlers */
4559 os_setup_signal_handling();
4560
4561 /* init remote displays */
4562 #ifdef CONFIG_VNC
4563 qemu_opts_foreach(qemu_find_opts("vnc"),
4564 vnc_init_func, NULL, &error_fatal);
4565 #endif
4566
4567 if (using_spice) {
4568 qemu_spice_display_init();
4569 }
4570
4571 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4572 exit(1);
4573 }
4574
4575 qdev_machine_creation_done();
4576
4577 /* TODO: once all bus devices are qdevified, this should be done
4578 * when bus is created by qdev.c */
4579 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4580 qemu_run_machine_init_done_notifiers();
4581
4582 if (rom_check_and_register_reset() != 0) {
4583 error_report("rom check and register reset failed");
4584 exit(1);
4585 }
4586
4587 replay_start();
4588
4589 /* This checkpoint is required by replay to separate prior clock
4590 reading from the other reads, because timer polling functions query
4591 clock values from the log. */
4592 replay_checkpoint(CHECKPOINT_RESET);
4593 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4594 register_global_state();
4595 if (loadvm) {
4596 Error *local_err = NULL;
4597 if (load_snapshot(loadvm, &local_err) < 0) {
4598 error_report_err(local_err);
4599 autostart = 0;
4600 exit(1);
4601 }
4602 }
4603 if (replay_mode != REPLAY_MODE_NONE) {
4604 replay_vmstate_init();
4605 }
4606
4607 qdev_prop_check_globals();
4608 if (vmstate_dump_file) {
4609 /* dump and exit */
4610 dump_vmstate_json_to_file(vmstate_dump_file);
4611 return 0;
4612 }
4613
4614 if (incoming) {
4615 Error *local_err = NULL;
4616 qemu_start_incoming_migration(incoming, &local_err);
4617 if (local_err) {
4618 error_reportf_err(local_err, "-incoming %s: ", incoming);
4619 exit(1);
4620 }
4621 } else if (autostart) {
4622 vm_start();
4623 }
4624
4625 accel_setup_post(current_machine);
4626 os_setup_post();
4627
4628 main_loop();
4629
4630 gdbserver_cleanup();
4631
4632 /* No more vcpu or device emulation activity beyond this point */
4633 vm_shutdown();
4634
4635 job_cancel_sync_all();
4636 bdrv_close_all();
4637
4638 res_free();
4639
4640 /* vhost-user must be cleaned up before chardevs. */
4641 tpm_cleanup();
4642 net_cleanup();
4643 audio_cleanup();
4644 monitor_cleanup();
4645 qemu_chr_cleanup();
4646 user_creatable_cleanup();
4647 migration_object_finalize();
4648 /* TODO: unref root container, check all devices are ok */
4649
4650 return 0;
4651 }
AR7 emulation for QEMU