?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
hw/timer/twl92230: Add missing fall through comments
[qemu/ar7.git] / vl.c
blob25f7e2c2d6f9a752960ca0547d4f566018ef50b6
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 #define SDL_MAIN_HANDLED
37 #include <SDL.h>
38 #if SDL_MAJOR_VERSION == 1
39 int qemu_main(int argc, char **argv);
40 int main(int argc, char **argv)
41 {
42 return qemu_main(argc, argv);
43 }
44 #undef main
45 #define main qemu_main
46 #elif SDL_MAJOR_VERSION == 2
47 #undef main
48 #else
49 #error undefined SDL version
50 #endif
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59
60 #include "qemu/error-report.h"
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/isa/isa.h"
67 #include "hw/scsi/scsi.h"
68 #include "hw/display/vga.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/firmware/smbios.h"
72 #include "hw/acpi/acpi.h"
73 #include "hw/xen/xen.h"
74 #include "hw/qdev.h"
75 #include "hw/loader.h"
76 #include "monitor/qdev.h"
77 #include "sysemu/bt.h"
78 #include "net/net.h"
79 #include "net/slirp.h"
80 #include "monitor/monitor.h"
81 #include "ui/console.h"
82 #include "ui/input.h"
83 #include "sysemu/sysemu.h"
84 #include "sysemu/numa.h"
85 #include "exec/gdbstub.h"
86 #include "qemu/timer.h"
87 #include "chardev/char.h"
88 #include "qemu/bitmap.h"
89 #include "qemu/log.h"
90 #include "sysemu/blockdev.h"
91 #include "hw/block/block.h"
92 #include "migration/misc.h"
93 #include "migration/snapshot.h"
94 #include "migration/global_state.h"
95 #include "sysemu/tpm.h"
96 #include "sysemu/dma.h"
97 #include "hw/audio/soundhw.h"
98 #include "audio/audio.h"
99 #include "sysemu/cpus.h"
100 #include "migration/colo.h"
101 #include "migration/postcopy-ram.h"
102 #include "sysemu/kvm.h"
103 #include "sysemu/hax.h"
104 #include "qapi/qobject-input-visitor.h"
105 #include "qemu/option.h"
106 #include "qemu/config-file.h"
107 #include "qemu-options.h"
108 #include "qemu/main-loop.h"
109 #ifdef CONFIG_VIRTFS
110 #include "fsdev/qemu-fsdev.h"
111 #endif
112 #include "sysemu/qtest.h"
113
114 #include "disas/disas.h"
115
116 #include "trace-root.h"
117 #include "trace/control.h"
118 #include "qemu/queue.h"
119 #include "sysemu/arch_init.h"
120
121 #include "ui/qemu-spice.h"
122 #include "qapi/string-input-visitor.h"
123 #include "qapi/opts-visitor.h"
124 #include "qapi/clone-visitor.h"
125 #include "qom/object_interfaces.h"
126 #include "exec/semihost.h"
127 #include "crypto/init.h"
128 #include "sysemu/replay.h"
129 #include "qapi/qapi-events-run-state.h"
130 #include "qapi/qapi-visit-block-core.h"
131 #include "qapi/qapi-visit-ui.h"
132 #include "qapi/qapi-commands-block-core.h"
133 #include "qapi/qapi-commands-misc.h"
134 #include "qapi/qapi-commands-run-state.h"
135 #include "qapi/qapi-commands-ui.h"
136 #include "qapi/qmp/qerror.h"
137 #include "sysemu/iothread.h"
138
139 #define MAX_VIRTIO_CONSOLES 1
140
141 static const char *data_dir[16];
142 static int data_dir_idx;
143 const char *bios_name = NULL;
144 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
145 int display_opengl;
146 const char* keyboard_layout = NULL;
147 ram_addr_t ram_size;
148 const char *mem_path = NULL;
149 int mem_prealloc = 0; /* force preallocation of physical target memory */
150 bool enable_mlock = false;
151 bool enable_cpu_pm = false;
152 int nb_nics;
153 NICInfo nd_table[MAX_NICS];
154 int autostart;
155 static enum {
156 RTC_BASE_UTC,
157 RTC_BASE_LOCALTIME,
158 RTC_BASE_DATETIME,
159 } rtc_base_type = RTC_BASE_UTC;
160 static time_t rtc_ref_start_datetime;
161 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
162 static int rtc_host_datetime_offset = -1; /* valid & used only with
163 RTC_BASE_DATETIME */
164 QEMUClockType rtc_clock;
165 int vga_interface_type = VGA_NONE;
166 static DisplayOptions dpy;
167 static int num_serial_hds;
168 static Chardev **serial_hds;
169 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
170 int win2k_install_hack = 0;
171 int singlestep = 0;
172 int smp_cpus;
173 unsigned int max_cpus;
174 int smp_cores = 1;
175 int smp_threads = 1;
176 int acpi_enabled = 1;
177 int no_hpet = 0;
178 int fd_bootchk = 1;
179 static int no_reboot;
180 int no_shutdown = 0;
181 int cursor_hide = 1;
182 int graphic_rotate = 0;
183 const char *watchdog;
184 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
185 int nb_option_roms;
186 int old_param = 0;
187 const char *qemu_name;
188 int alt_grab = 0;
189 int ctrl_grab = 0;
190 unsigned int nb_prom_envs = 0;
191 const char *prom_envs[MAX_PROM_ENVS];
192 int boot_menu;
193 bool boot_strict;
194 uint8_t *boot_splash_filedata;
195 bool wakeup_suspend_enabled;
196
197 int icount_align_option;
198
199 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
200 * little-endian "wire format" described in the SMBIOS 2.6 specification.
201 */
202 QemuUUID qemu_uuid;
203 bool qemu_uuid_set;
204
205 /* Trace unassigned memory or i/o accesses. */
206 bool trace_unassigned;
207
208 static NotifierList exit_notifiers =
209 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
210
211 static NotifierList machine_init_done_notifiers =
212 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
213
214 bool xen_allowed;
215 uint32_t xen_domid;
216 enum xen_mode xen_mode = XEN_EMULATE;
217 bool xen_domid_restrict;
218
219 static int has_defaults = 1;
220 static int default_serial = 1;
221 static int default_parallel = 1;
222 static int default_monitor = 1;
223 static int default_floppy = 1;
224 static int default_cdrom = 1;
225 static int default_sdcard = 1;
226 static int default_vga = 1;
227 static int default_net = 1;
228
229 static struct {
230 const char *driver;
231 int *flag;
232 } default_list[] = {
233 { .driver = "isa-serial", .flag = &default_serial },
234 { .driver = "isa-parallel", .flag = &default_parallel },
235 { .driver = "isa-fdc", .flag = &default_floppy },
236 { .driver = "floppy", .flag = &default_floppy },
237 { .driver = "ide-cd", .flag = &default_cdrom },
238 { .driver = "ide-hd", .flag = &default_cdrom },
239 { .driver = "ide-drive", .flag = &default_cdrom },
240 { .driver = "scsi-cd", .flag = &default_cdrom },
241 { .driver = "scsi-hd", .flag = &default_cdrom },
242 { .driver = "VGA", .flag = &default_vga },
243 { .driver = "isa-vga", .flag = &default_vga },
244 { .driver = "cirrus-vga", .flag = &default_vga },
245 { .driver = "isa-cirrus-vga", .flag = &default_vga },
246 { .driver = "vmware-svga", .flag = &default_vga },
247 { .driver = "qxl-vga", .flag = &default_vga },
248 { .driver = "virtio-vga", .flag = &default_vga },
249 { .driver = "ati-vga", .flag = &default_vga },
250 };
251
252 static QemuOptsList qemu_rtc_opts = {
253 .name = "rtc",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
255 .merge_lists = true,
256 .desc = {
257 {
258 .name = "base",
259 .type = QEMU_OPT_STRING,
260 },{
261 .name = "clock",
262 .type = QEMU_OPT_STRING,
263 },{
264 .name = "driftfix",
265 .type = QEMU_OPT_STRING,
266 },
267 { /* end of list */ }
268 },
269 };
270
271 static QemuOptsList qemu_option_rom_opts = {
272 .name = "option-rom",
273 .implied_opt_name = "romfile",
274 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
275 .desc = {
276 {
277 .name = "bootindex",
278 .type = QEMU_OPT_NUMBER,
279 }, {
280 .name = "romfile",
281 .type = QEMU_OPT_STRING,
282 },
283 { /* end of list */ }
284 },
285 };
286
287 static QemuOptsList qemu_machine_opts = {
288 .name = "machine",
289 .implied_opt_name = "type",
290 .merge_lists = true,
291 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
292 .desc = {
293 /*
294 * no elements => accept any
295 * sanity checking will happen later
296 * when setting machine properties
297 */
298 { }
299 },
300 };
301
302 static QemuOptsList qemu_accel_opts = {
303 .name = "accel",
304 .implied_opt_name = "accel",
305 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
306 .merge_lists = true,
307 .desc = {
308 {
309 .name = "accel",
310 .type = QEMU_OPT_STRING,
311 .help = "Select the type of accelerator",
312 },
313 {
314 .name = "thread",
315 .type = QEMU_OPT_STRING,
316 .help = "Enable/disable multi-threaded TCG",
317 },
318 { /* end of list */ }
319 },
320 };
321
322 static QemuOptsList qemu_boot_opts = {
323 .name = "boot-opts",
324 .implied_opt_name = "order",
325 .merge_lists = true,
326 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
327 .desc = {
328 {
329 .name = "order",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "once",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "menu",
336 .type = QEMU_OPT_BOOL,
337 }, {
338 .name = "splash",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "splash-time",
342 .type = QEMU_OPT_NUMBER,
343 }, {
344 .name = "reboot-timeout",
345 .type = QEMU_OPT_NUMBER,
346 }, {
347 .name = "strict",
348 .type = QEMU_OPT_BOOL,
349 },
350 { /*End of list */ }
351 },
352 };
353
354 static QemuOptsList qemu_add_fd_opts = {
355 .name = "add-fd",
356 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
357 .desc = {
358 {
359 .name = "fd",
360 .type = QEMU_OPT_NUMBER,
361 .help = "file descriptor of which a duplicate is added to fd set",
362 },{
363 .name = "set",
364 .type = QEMU_OPT_NUMBER,
365 .help = "ID of the fd set to add fd to",
366 },{
367 .name = "opaque",
368 .type = QEMU_OPT_STRING,
369 .help = "free-form string used to describe fd",
370 },
371 { /* end of list */ }
372 },
373 };
374
375 static QemuOptsList qemu_object_opts = {
376 .name = "object",
377 .implied_opt_name = "qom-type",
378 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
379 .desc = {
380 { }
381 },
382 };
383
384 static QemuOptsList qemu_tpmdev_opts = {
385 .name = "tpmdev",
386 .implied_opt_name = "type",
387 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
388 .desc = {
389 /* options are defined in the TPM backends */
390 { /* end of list */ }
391 },
392 };
393
394 static QemuOptsList qemu_realtime_opts = {
395 .name = "realtime",
396 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
397 .desc = {
398 {
399 .name = "mlock",
400 .type = QEMU_OPT_BOOL,
401 },
402 { /* end of list */ }
403 },
404 };
405
406 static QemuOptsList qemu_overcommit_opts = {
407 .name = "overcommit",
408 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
409 .desc = {
410 {
411 .name = "mem-lock",
412 .type = QEMU_OPT_BOOL,
413 },
414 {
415 .name = "cpu-pm",
416 .type = QEMU_OPT_BOOL,
417 },
418 { /* end of list */ }
419 },
420 };
421
422 static QemuOptsList qemu_msg_opts = {
423 .name = "msg",
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
425 .desc = {
426 {
427 .name = "timestamp",
428 .type = QEMU_OPT_BOOL,
429 },
430 { /* end of list */ }
431 },
432 };
433
434 static QemuOptsList qemu_name_opts = {
435 .name = "name",
436 .implied_opt_name = "guest",
437 .merge_lists = true,
438 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
439 .desc = {
440 {
441 .name = "guest",
442 .type = QEMU_OPT_STRING,
443 .help = "Sets the name of the guest.\n"
444 "This name will be displayed in the SDL window caption.\n"
445 "The name will also be used for the VNC server",
446 }, {
447 .name = "process",
448 .type = QEMU_OPT_STRING,
449 .help = "Sets the name of the QEMU process, as shown in top etc",
450 }, {
451 .name = "debug-threads",
452 .type = QEMU_OPT_BOOL,
453 .help = "When enabled, name the individual threads; defaults off.\n"
454 "NOTE: The thread names are for debugging and not a\n"
455 "stable API.",
456 },
457 { /* End of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_mem_opts = {
462 .name = "memory",
463 .implied_opt_name = "size",
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
465 .merge_lists = true,
466 .desc = {
467 {
468 .name = "size",
469 .type = QEMU_OPT_SIZE,
470 },
471 {
472 .name = "slots",
473 .type = QEMU_OPT_NUMBER,
474 },
475 {
476 .name = "maxmem",
477 .type = QEMU_OPT_SIZE,
478 },
479 { /* end of list */ }
480 },
481 };
482
483 static QemuOptsList qemu_icount_opts = {
484 .name = "icount",
485 .implied_opt_name = "shift",
486 .merge_lists = true,
487 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
488 .desc = {
489 {
490 .name = "shift",
491 .type = QEMU_OPT_STRING,
492 }, {
493 .name = "align",
494 .type = QEMU_OPT_BOOL,
495 }, {
496 .name = "sleep",
497 .type = QEMU_OPT_BOOL,
498 }, {
499 .name = "rr",
500 .type = QEMU_OPT_STRING,
501 }, {
502 .name = "rrfile",
503 .type = QEMU_OPT_STRING,
504 }, {
505 .name = "rrsnapshot",
506 .type = QEMU_OPT_STRING,
507 },
508 { /* end of list */ }
509 },
510 };
511
512 static QemuOptsList qemu_semihosting_config_opts = {
513 .name = "semihosting-config",
514 .implied_opt_name = "enable",
515 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
516 .desc = {
517 {
518 .name = "enable",
519 .type = QEMU_OPT_BOOL,
520 }, {
521 .name = "target",
522 .type = QEMU_OPT_STRING,
523 }, {
524 .name = "arg",
525 .type = QEMU_OPT_STRING,
526 },
527 { /* end of list */ }
528 },
529 };
530
531 static QemuOptsList qemu_fw_cfg_opts = {
532 .name = "fw_cfg",
533 .implied_opt_name = "name",
534 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
535 .desc = {
536 {
537 .name = "name",
538 .type = QEMU_OPT_STRING,
539 .help = "Sets the fw_cfg name of the blob to be inserted",
540 }, {
541 .name = "file",
542 .type = QEMU_OPT_STRING,
543 .help = "Sets the name of the file from which "
544 "the fw_cfg blob will be loaded",
545 }, {
546 .name = "string",
547 .type = QEMU_OPT_STRING,
548 .help = "Sets content of the blob to be inserted from a string",
549 },
550 { /* end of list */ }
551 },
552 };
553
554 /**
555 * Get machine options
556 *
557 * Returns: machine options (never null).
558 */
559 QemuOpts *qemu_get_machine_opts(void)
560 {
561 return qemu_find_opts_singleton("machine");
562 }
563
564 const char *qemu_get_vm_name(void)
565 {
566 return qemu_name;
567 }
568
569 static void res_free(void)
570 {
571 g_free(boot_splash_filedata);
572 boot_splash_filedata = NULL;
573 }
574
575 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
576 {
577 const char *driver = qemu_opt_get(opts, "driver");
578 int i;
579
580 if (!driver)
581 return 0;
582 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
583 if (strcmp(default_list[i].driver, driver) != 0)
584 continue;
585 *(default_list[i].flag) = 0;
586 }
587 return 0;
588 }
589
590 /***********************************************************/
591 /* QEMU state */
592
593 static RunState current_run_state = RUN_STATE_PRECONFIG;
594
595 /* We use RUN_STATE__MAX but any invalid value will do */
596 static RunState vmstop_requested = RUN_STATE__MAX;
597 static QemuMutex vmstop_lock;
598
599 typedef struct {
600 RunState from;
601 RunState to;
602 } RunStateTransition;
603
604 static const RunStateTransition runstate_transitions_def[] = {
605 /* from -> to */
606 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
607 /* Early switch to inmigrate state to allow -incoming CLI option work
608 * as it used to. TODO: delay actual switching to inmigrate state to
609 * the point after machine is built and remove this hack.
610 */
611 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
612
613 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
614 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
616
617 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
618 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
619 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
620 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
621 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
622 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
623 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
624 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
625 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
627 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
628 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
629
630 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
631 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
633
634 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
635 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
636 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
637
638 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
639 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
641 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
642 { RUN_STATE_PAUSED, RUN_STATE_COLO},
643
644 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
645 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
646 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
647
648 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
649 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
651
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
654 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
655 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
656 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
657
658 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
659 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
660
661 { RUN_STATE_COLO, RUN_STATE_RUNNING },
662
663 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
664 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
665 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
666 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
667 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
668 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
669 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
670 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
671 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
672 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
673 { RUN_STATE_RUNNING, RUN_STATE_COLO},
674
675 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
676
677 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
678 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
679 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
680
681 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
682 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
683 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
684 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
685 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
686 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
687
688 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
689 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
690 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
691 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
692
693 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
694 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
695 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
696
697 { RUN_STATE__MAX, RUN_STATE__MAX },
698 };
699
700 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
701
702 bool runstate_check(RunState state)
703 {
704 return current_run_state == state;
705 }
706
707 bool runstate_store(char *str, size_t size)
708 {
709 const char *state = RunState_str(current_run_state);
710 size_t len = strlen(state) + 1;
711
712 if (len > size) {
713 return false;
714 }
715 memcpy(str, state, len);
716 return true;
717 }
718
719 static void runstate_init(void)
720 {
721 const RunStateTransition *p;
722
723 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
724 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
725 runstate_valid_transitions[p->from][p->to] = true;
726 }
727
728 qemu_mutex_init(&vmstop_lock);
729 }
730
731 /* This function will abort() on invalid state transitions */
732 void runstate_set(RunState new_state)
733 {
734 assert(new_state < RUN_STATE__MAX);
735
736 trace_runstate_set(current_run_state, RunState_str(current_run_state),
737 new_state, RunState_str(current_run_state));
738
739 if (current_run_state == new_state) {
740 return;
741 }
742
743 if (!runstate_valid_transitions[current_run_state][new_state]) {
744 error_report("invalid runstate transition: '%s' -> '%s'",
745 RunState_str(current_run_state),
746 RunState_str(new_state));
747 abort();
748 }
749
750 current_run_state = new_state;
751 }
752
753 int runstate_is_running(void)
754 {
755 return runstate_check(RUN_STATE_RUNNING);
756 }
757
758 bool runstate_needs_reset(void)
759 {
760 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
761 runstate_check(RUN_STATE_SHUTDOWN);
762 }
763
764 StatusInfo *qmp_query_status(Error **errp)
765 {
766 StatusInfo *info = g_malloc0(sizeof(*info));
767
768 info->running = runstate_is_running();
769 info->singlestep = singlestep;
770 info->status = current_run_state;
771
772 return info;
773 }
774
775 bool qemu_vmstop_requested(RunState *r)
776 {
777 qemu_mutex_lock(&vmstop_lock);
778 *r = vmstop_requested;
779 vmstop_requested = RUN_STATE__MAX;
780 qemu_mutex_unlock(&vmstop_lock);
781 return *r < RUN_STATE__MAX;
782 }
783
784 void qemu_system_vmstop_request_prepare(void)
785 {
786 qemu_mutex_lock(&vmstop_lock);
787 }
788
789 void qemu_system_vmstop_request(RunState state)
790 {
791 vmstop_requested = state;
792 qemu_mutex_unlock(&vmstop_lock);
793 qemu_notify_event();
794 }
795
796 /***********************************************************/
797 /* RTC reference time/date access */
798 static time_t qemu_ref_timedate(QEMUClockType clock)
799 {
800 time_t value = qemu_clock_get_ms(clock) / 1000;
801 switch (clock) {
802 case QEMU_CLOCK_REALTIME:
803 value -= rtc_realtime_clock_offset;
804 /* no break */
805 case QEMU_CLOCK_VIRTUAL:
806 value += rtc_ref_start_datetime;
807 break;
808 case QEMU_CLOCK_HOST:
809 if (rtc_base_type == RTC_BASE_DATETIME) {
810 value -= rtc_host_datetime_offset;
811 }
812 break;
813 default:
814 assert(0);
815 }
816 return value;
817 }
818
819 void qemu_get_timedate(struct tm *tm, int offset)
820 {
821 time_t ti = qemu_ref_timedate(rtc_clock);
822
823 ti += offset;
824
825 switch (rtc_base_type) {
826 case RTC_BASE_DATETIME:
827 case RTC_BASE_UTC:
828 gmtime_r(&ti, tm);
829 break;
830 case RTC_BASE_LOCALTIME:
831 localtime_r(&ti, tm);
832 break;
833 }
834 }
835
836 int qemu_timedate_diff(struct tm *tm)
837 {
838 time_t seconds;
839
840 switch (rtc_base_type) {
841 case RTC_BASE_DATETIME:
842 case RTC_BASE_UTC:
843 seconds = mktimegm(tm);
844 break;
845 case RTC_BASE_LOCALTIME:
846 {
847 struct tm tmp = *tm;
848 tmp.tm_isdst = -1; /* use timezone to figure it out */
849 seconds = mktime(&tmp);
850 break;
851 }
852 default:
853 abort();
854 }
855
856 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
857 }
858
859 static void configure_rtc_base_datetime(const char *startdate)
860 {
861 time_t rtc_start_datetime;
862 struct tm tm;
863
864 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
865 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
866 /* OK */
867 } else if (sscanf(startdate, "%d-%d-%d",
868 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
869 tm.tm_hour = 0;
870 tm.tm_min = 0;
871 tm.tm_sec = 0;
872 } else {
873 goto date_fail;
874 }
875 tm.tm_year -= 1900;
876 tm.tm_mon--;
877 rtc_start_datetime = mktimegm(&tm);
878 if (rtc_start_datetime == -1) {
879 date_fail:
880 error_report("invalid datetime format");
881 error_printf("valid formats: "
882 "'2006-06-17T16:01:21' or '2006-06-17'\n");
883 exit(1);
884 }
885 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
886 rtc_ref_start_datetime = rtc_start_datetime;
887 }
888
889 static void configure_rtc(QemuOpts *opts)
890 {
891 const char *value;
892
893 /* Set defaults */
894 rtc_clock = QEMU_CLOCK_HOST;
895 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
896 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
897
898 value = qemu_opt_get(opts, "base");
899 if (value) {
900 if (!strcmp(value, "utc")) {
901 rtc_base_type = RTC_BASE_UTC;
902 } else if (!strcmp(value, "localtime")) {
903 Error *blocker = NULL;
904 rtc_base_type = RTC_BASE_LOCALTIME;
905 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
906 "-rtc base=localtime");
907 replay_add_blocker(blocker);
908 } else {
909 rtc_base_type = RTC_BASE_DATETIME;
910 configure_rtc_base_datetime(value);
911 }
912 }
913 value = qemu_opt_get(opts, "clock");
914 if (value) {
915 if (!strcmp(value, "host")) {
916 rtc_clock = QEMU_CLOCK_HOST;
917 } else if (!strcmp(value, "rt")) {
918 rtc_clock = QEMU_CLOCK_REALTIME;
919 } else if (!strcmp(value, "vm")) {
920 rtc_clock = QEMU_CLOCK_VIRTUAL;
921 } else {
922 error_report("invalid option value '%s'", value);
923 exit(1);
924 }
925 }
926 value = qemu_opt_get(opts, "driftfix");
927 if (value) {
928 if (!strcmp(value, "slew")) {
929 static GlobalProperty slew_lost_ticks = {
930 .driver = "mc146818rtc",
931 .property = "lost_tick_policy",
932 .value = "slew",
933 };
934
935 qdev_prop_register_global(&slew_lost_ticks);
936 } else if (!strcmp(value, "none")) {
937 /* discard is default */
938 } else {
939 error_report("invalid option value '%s'", value);
940 exit(1);
941 }
942 }
943 }
944
945 /***********************************************************/
946 /* Bluetooth support */
947 static int nb_hcis;
948 static int cur_hci;
949 static struct HCIInfo *hci_table[MAX_NICS];
950
951 struct HCIInfo *qemu_next_hci(void)
952 {
953 if (cur_hci == nb_hcis)
954 return &null_hci;
955
956 return hci_table[cur_hci++];
957 }
958
959 static int bt_hci_parse(const char *str)
960 {
961 struct HCIInfo *hci;
962 bdaddr_t bdaddr;
963
964 if (nb_hcis >= MAX_NICS) {
965 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
966 return -1;
967 }
968
969 hci = hci_init(str);
970 if (!hci)
971 return -1;
972
973 bdaddr.b[0] = 0x52;
974 bdaddr.b[1] = 0x54;
975 bdaddr.b[2] = 0x00;
976 bdaddr.b[3] = 0x12;
977 bdaddr.b[4] = 0x34;
978 bdaddr.b[5] = 0x56 + nb_hcis;
979 hci->bdaddr_set(hci, bdaddr.b);
980
981 hci_table[nb_hcis++] = hci;
982
983 return 0;
984 }
985
986 static void bt_vhci_add(int vlan_id)
987 {
988 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
989
990 if (!vlan->slave)
991 warn_report("adding a VHCI to an empty scatternet %i",
992 vlan_id);
993
994 bt_vhci_init(bt_new_hci(vlan));
995 }
996
997 static struct bt_device_s *bt_device_add(const char *opt)
998 {
999 struct bt_scatternet_s *vlan;
1000 int vlan_id = 0;
1001 char *endp = strstr(opt, ",vlan=");
1002 int len = (endp ? endp - opt : strlen(opt)) + 1;
1003 char devname[10];
1004
1005 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1006
1007 if (endp) {
1008 vlan_id = strtol(endp + 6, &endp, 0);
1009 if (*endp) {
1010 error_report("unrecognised bluetooth vlan Id");
1011 return 0;
1012 }
1013 }
1014
1015 vlan = qemu_find_bt_vlan(vlan_id);
1016
1017 if (!vlan->slave)
1018 warn_report("adding a slave device to an empty scatternet %i",
1019 vlan_id);
1020
1021 if (!strcmp(devname, "keyboard"))
1022 return bt_keyboard_init(vlan);
1023
1024 error_report("unsupported bluetooth device '%s'", devname);
1025 return 0;
1026 }
1027
1028 static int bt_parse(const char *opt)
1029 {
1030 const char *endp, *p;
1031 int vlan;
1032
1033 if (strstart(opt, "hci", &endp)) {
1034 if (!*endp || *endp == ',') {
1035 if (*endp)
1036 if (!strstart(endp, ",vlan=", 0))
1037 opt = endp + 1;
1038
1039 return bt_hci_parse(opt);
1040 }
1041 } else if (strstart(opt, "vhci", &endp)) {
1042 if (!*endp || *endp == ',') {
1043 if (*endp) {
1044 if (strstart(endp, ",vlan=", &p)) {
1045 vlan = strtol(p, (char **) &endp, 0);
1046 if (*endp) {
1047 error_report("bad scatternet '%s'", p);
1048 return 1;
1049 }
1050 } else {
1051 error_report("bad parameter '%s'", endp + 1);
1052 return 1;
1053 }
1054 } else
1055 vlan = 0;
1056
1057 bt_vhci_add(vlan);
1058 return 0;
1059 }
1060 } else if (strstart(opt, "device:", &endp))
1061 return !bt_device_add(endp);
1062
1063 error_report("bad bluetooth parameter '%s'", opt);
1064 return 1;
1065 }
1066
1067 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1068 {
1069 const char *proc_name;
1070
1071 if (qemu_opt_get(opts, "debug-threads")) {
1072 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1073 }
1074 qemu_name = qemu_opt_get(opts, "guest");
1075
1076 proc_name = qemu_opt_get(opts, "process");
1077 if (proc_name) {
1078 os_set_proc_name(proc_name);
1079 }
1080
1081 return 0;
1082 }
1083
1084 bool defaults_enabled(void)
1085 {
1086 return has_defaults;
1087 }
1088
1089 #ifndef _WIN32
1090 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1091 {
1092 int fd, dupfd, flags;
1093 int64_t fdset_id;
1094 const char *fd_opaque = NULL;
1095 AddfdInfo *fdinfo;
1096
1097 fd = qemu_opt_get_number(opts, "fd", -1);
1098 fdset_id = qemu_opt_get_number(opts, "set", -1);
1099 fd_opaque = qemu_opt_get(opts, "opaque");
1100
1101 if (fd < 0) {
1102 error_setg(errp, "fd option is required and must be non-negative");
1103 return -1;
1104 }
1105
1106 if (fd <= STDERR_FILENO) {
1107 error_setg(errp, "fd cannot be a standard I/O stream");
1108 return -1;
1109 }
1110
1111 /*
1112 * All fds inherited across exec() necessarily have FD_CLOEXEC
1113 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1114 */
1115 flags = fcntl(fd, F_GETFD);
1116 if (flags == -1 || (flags & FD_CLOEXEC)) {
1117 error_setg(errp, "fd is not valid or already in use");
1118 return -1;
1119 }
1120
1121 if (fdset_id < 0) {
1122 error_setg(errp, "set option is required and must be non-negative");
1123 return -1;
1124 }
1125
1126 #ifdef F_DUPFD_CLOEXEC
1127 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1128 #else
1129 dupfd = dup(fd);
1130 if (dupfd != -1) {
1131 qemu_set_cloexec(dupfd);
1132 }
1133 #endif
1134 if (dupfd == -1) {
1135 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1136 return -1;
1137 }
1138
1139 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1140 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1141 &error_abort);
1142 g_free(fdinfo);
1143
1144 return 0;
1145 }
1146
1147 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1148 {
1149 int fd;
1150
1151 fd = qemu_opt_get_number(opts, "fd", -1);
1152 close(fd);
1153
1154 return 0;
1155 }
1156 #endif
1157
1158 /***********************************************************/
1159 /* QEMU Block devices */
1160
1161 #define HD_OPTS "media=disk"
1162 #define CDROM_OPTS "media=cdrom"
1163 #define FD_OPTS ""
1164 #define PFLASH_OPTS ""
1165 #define MTD_OPTS ""
1166 #define SD_OPTS ""
1167
1168 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1169 {
1170 BlockInterfaceType *block_default_type = opaque;
1171
1172 return drive_new(opts, *block_default_type, errp) == NULL;
1173 }
1174
1175 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1176 {
1177 if (qemu_opt_get(opts, "snapshot") == NULL) {
1178 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1179 }
1180 return 0;
1181 }
1182
1183 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1184 int index, const char *optstr)
1185 {
1186 QemuOpts *opts;
1187 DriveInfo *dinfo;
1188
1189 if (!enable || drive_get_by_index(type, index)) {
1190 return;
1191 }
1192
1193 opts = drive_add(type, index, NULL, optstr);
1194 if (snapshot) {
1195 drive_enable_snapshot(NULL, opts, NULL);
1196 }
1197
1198 dinfo = drive_new(opts, type, &error_abort);
1199 dinfo->is_default = true;
1200
1201 }
1202
1203 typedef struct BlockdevOptionsQueueEntry {
1204 BlockdevOptions *bdo;
1205 Location loc;
1206 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1207 } BlockdevOptionsQueueEntry;
1208
1209 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1210
1211 static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
1212 MachineClass *machine_class, int snapshot)
1213 {
1214 /*
1215 * If the currently selected machine wishes to override the
1216 * units-per-bus property of its default HBA interface type, do so
1217 * now.
1218 */
1219 if (machine_class->units_per_default_bus) {
1220 override_max_devs(machine_class->block_default_type,
1221 machine_class->units_per_default_bus);
1222 }
1223
1224 /* open the virtual block devices */
1225 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
1226 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
1227
1228 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
1229 loc_push_restore(&bdo->loc);
1230 qmp_blockdev_add(bdo->bdo, &error_fatal);
1231 loc_pop(&bdo->loc);
1232 qapi_free_BlockdevOptions(bdo->bdo);
1233 g_free(bdo);
1234 }
1235 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
1236 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
1237 NULL, NULL);
1238 }
1239 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
1240 &machine_class->block_default_type, &error_fatal)) {
1241 /* We printed help */
1242 exit(0);
1243 }
1244
1245 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
1246 CDROM_OPTS);
1247 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
1248 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
1249
1250 }
1251
1252 static QemuOptsList qemu_smp_opts = {
1253 .name = "smp-opts",
1254 .implied_opt_name = "cpus",
1255 .merge_lists = true,
1256 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1257 .desc = {
1258 {
1259 .name = "cpus",
1260 .type = QEMU_OPT_NUMBER,
1261 }, {
1262 .name = "sockets",
1263 .type = QEMU_OPT_NUMBER,
1264 }, {
1265 .name = "cores",
1266 .type = QEMU_OPT_NUMBER,
1267 }, {
1268 .name = "threads",
1269 .type = QEMU_OPT_NUMBER,
1270 }, {
1271 .name = "maxcpus",
1272 .type = QEMU_OPT_NUMBER,
1273 },
1274 { /*End of list */ }
1275 },
1276 };
1277
1278 static void smp_parse(QemuOpts *opts)
1279 {
1280 if (opts) {
1281 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1282 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1283 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1284 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1285
1286 /* compute missing values, prefer sockets over cores over threads */
1287 if (cpus == 0 || sockets == 0) {
1288 cores = cores > 0 ? cores : 1;
1289 threads = threads > 0 ? threads : 1;
1290 if (cpus == 0) {
1291 sockets = sockets > 0 ? sockets : 1;
1292 cpus = cores * threads * sockets;
1293 } else {
1294 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1295 sockets = max_cpus / (cores * threads);
1296 }
1297 } else if (cores == 0) {
1298 threads = threads > 0 ? threads : 1;
1299 cores = cpus / (sockets * threads);
1300 cores = cores > 0 ? cores : 1;
1301 } else if (threads == 0) {
1302 threads = cpus / (cores * sockets);
1303 threads = threads > 0 ? threads : 1;
1304 } else if (sockets * cores * threads < cpus) {
1305 error_report("cpu topology: "
1306 "sockets (%u) * cores (%u) * threads (%u) < "
1307 "smp_cpus (%u)",
1308 sockets, cores, threads, cpus);
1309 exit(1);
1310 }
1311
1312 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1313
1314 if (max_cpus < cpus) {
1315 error_report("maxcpus must be equal to or greater than smp");
1316 exit(1);
1317 }
1318
1319 if (sockets * cores * threads > max_cpus) {
1320 error_report("cpu topology: "
1321 "sockets (%u) * cores (%u) * threads (%u) > "
1322 "maxcpus (%u)",
1323 sockets, cores, threads, max_cpus);
1324 exit(1);
1325 }
1326
1327 if (sockets * cores * threads != max_cpus) {
1328 warn_report("Invalid CPU topology deprecated: "
1329 "sockets (%u) * cores (%u) * threads (%u) "
1330 "!= maxcpus (%u)",
1331 sockets, cores, threads, max_cpus);
1332 }
1333
1334 smp_cpus = cpus;
1335 smp_cores = cores;
1336 smp_threads = threads;
1337 }
1338
1339 if (smp_cpus > 1) {
1340 Error *blocker = NULL;
1341 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1342 replay_add_blocker(blocker);
1343 }
1344 }
1345
1346 static void realtime_init(void)
1347 {
1348 if (enable_mlock) {
1349 if (os_mlock() < 0) {
1350 error_report("locking memory failed");
1351 exit(1);
1352 }
1353 }
1354 }
1355
1356
1357 static void configure_msg(QemuOpts *opts)
1358 {
1359 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1360 }
1361
1362 /***********************************************************/
1363 /* Semihosting */
1364
1365 typedef struct SemihostingConfig {
1366 bool enabled;
1367 SemihostingTarget target;
1368 const char **argv;
1369 int argc;
1370 const char *cmdline; /* concatenated argv */
1371 } SemihostingConfig;
1372
1373 static SemihostingConfig semihosting;
1374
1375 bool semihosting_enabled(void)
1376 {
1377 return semihosting.enabled;
1378 }
1379
1380 SemihostingTarget semihosting_get_target(void)
1381 {
1382 return semihosting.target;
1383 }
1384
1385 const char *semihosting_get_arg(int i)
1386 {
1387 if (i >= semihosting.argc) {
1388 return NULL;
1389 }
1390 return semihosting.argv[i];
1391 }
1392
1393 int semihosting_get_argc(void)
1394 {
1395 return semihosting.argc;
1396 }
1397
1398 const char *semihosting_get_cmdline(void)
1399 {
1400 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1401 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1402 }
1403 return semihosting.cmdline;
1404 }
1405
1406 static int add_semihosting_arg(void *opaque,
1407 const char *name, const char *val,
1408 Error **errp)
1409 {
1410 SemihostingConfig *s = opaque;
1411 if (strcmp(name, "arg") == 0) {
1412 s->argc++;
1413 /* one extra element as g_strjoinv() expects NULL-terminated array */
1414 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1415 s->argv[s->argc - 1] = val;
1416 s->argv[s->argc] = NULL;
1417 }
1418 return 0;
1419 }
1420
1421 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1422 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1423 {
1424 char *cmd_token;
1425
1426 /* argv[0] */
1427 add_semihosting_arg(&semihosting, "arg", file, NULL);
1428
1429 /* split -append and initialize argv[1..n] */
1430 cmd_token = strtok(g_strdup(cmd), " ");
1431 while (cmd_token) {
1432 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1433 cmd_token = strtok(NULL, " ");
1434 }
1435 }
1436
1437 /* Now we still need this for compatibility with XEN. */
1438 bool has_igd_gfx_passthru;
1439 static void igd_gfx_passthru(void)
1440 {
1441 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1442 }
1443
1444 /***********************************************************/
1445 /* USB devices */
1446
1447 static int usb_device_add(const char *devname)
1448 {
1449 USBDevice *dev = NULL;
1450
1451 if (!machine_usb(current_machine)) {
1452 return -1;
1453 }
1454
1455 dev = usbdevice_create(devname);
1456 if (!dev)
1457 return -1;
1458
1459 return 0;
1460 }
1461
1462 static int usb_parse(const char *cmdline)
1463 {
1464 int r;
1465 r = usb_device_add(cmdline);
1466 if (r < 0) {
1467 error_report("could not add USB device '%s'", cmdline);
1468 }
1469 return r;
1470 }
1471
1472 /***********************************************************/
1473 /* machine registration */
1474
1475 MachineState *current_machine;
1476
1477 static MachineClass *find_machine(const char *name)
1478 {
1479 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1480 MachineClass *mc = NULL;
1481
1482 for (el = machines; el; el = el->next) {
1483 MachineClass *temp = el->data;
1484
1485 if (!strcmp(temp->name, name)) {
1486 mc = temp;
1487 break;
1488 }
1489 if (temp->alias &&
1490 !strcmp(temp->alias, name)) {
1491 mc = temp;
1492 break;
1493 }
1494 }
1495
1496 g_slist_free(machines);
1497 return mc;
1498 }
1499
1500 MachineClass *find_default_machine(void)
1501 {
1502 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1503 MachineClass *mc = NULL;
1504
1505 for (el = machines; el; el = el->next) {
1506 MachineClass *temp = el->data;
1507
1508 if (temp->is_default) {
1509 mc = temp;
1510 break;
1511 }
1512 }
1513
1514 g_slist_free(machines);
1515 return mc;
1516 }
1517
1518 MachineInfoList *qmp_query_machines(Error **errp)
1519 {
1520 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1521 MachineInfoList *mach_list = NULL;
1522
1523 for (el = machines; el; el = el->next) {
1524 MachineClass *mc = el->data;
1525 MachineInfoList *entry;
1526 MachineInfo *info;
1527
1528 info = g_malloc0(sizeof(*info));
1529 if (mc->is_default) {
1530 info->has_is_default = true;
1531 info->is_default = true;
1532 }
1533
1534 if (mc->alias) {
1535 info->has_alias = true;
1536 info->alias = g_strdup(mc->alias);
1537 }
1538
1539 info->name = g_strdup(mc->name);
1540 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1541 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1542
1543 entry = g_malloc0(sizeof(*entry));
1544 entry->value = info;
1545 entry->next = mach_list;
1546 mach_list = entry;
1547 }
1548
1549 g_slist_free(machines);
1550 return mach_list;
1551 }
1552
1553 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1554 {
1555 ObjectProperty *prop;
1556 ObjectPropertyIterator iter;
1557
1558 if (!qemu_opt_has_help_opt(opts)) {
1559 return 0;
1560 }
1561
1562 object_property_iter_init(&iter, OBJECT(machine));
1563 while ((prop = object_property_iter_next(&iter))) {
1564 if (!prop->set) {
1565 continue;
1566 }
1567
1568 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1569 prop->name, prop->type);
1570 if (prop->description) {
1571 error_printf(" (%s)\n", prop->description);
1572 } else {
1573 error_printf("\n");
1574 }
1575 }
1576
1577 return 1;
1578 }
1579
1580 struct vm_change_state_entry {
1581 VMChangeStateHandler *cb;
1582 void *opaque;
1583 QLIST_ENTRY (vm_change_state_entry) entries;
1584 };
1585
1586 static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head;
1587
1588 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1589 void *opaque)
1590 {
1591 VMChangeStateEntry *e;
1592
1593 e = g_malloc0(sizeof (*e));
1594
1595 e->cb = cb;
1596 e->opaque = opaque;
1597 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1598 return e;
1599 }
1600
1601 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1602 {
1603 QLIST_REMOVE (e, entries);
1604 g_free (e);
1605 }
1606
1607 void vm_state_notify(int running, RunState state)
1608 {
1609 VMChangeStateEntry *e, *next;
1610
1611 trace_vm_state_notify(running, state, RunState_str(state));
1612
1613 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1614 e->cb(e->opaque, running, state);
1615 }
1616 }
1617
1618 static ShutdownCause reset_requested;
1619 static ShutdownCause shutdown_requested;
1620 static int shutdown_signal;
1621 static pid_t shutdown_pid;
1622 static int powerdown_requested;
1623 static int debug_requested;
1624 static int suspend_requested;
1625 static bool preconfig_exit_requested = true;
1626 static WakeupReason wakeup_reason;
1627 static NotifierList powerdown_notifiers =
1628 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1629 static NotifierList suspend_notifiers =
1630 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1631 static NotifierList wakeup_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1633 static NotifierList shutdown_notifiers =
1634 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1635 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1636
1637 ShutdownCause qemu_shutdown_requested_get(void)
1638 {
1639 return shutdown_requested;
1640 }
1641
1642 ShutdownCause qemu_reset_requested_get(void)
1643 {
1644 return reset_requested;
1645 }
1646
1647 static int qemu_shutdown_requested(void)
1648 {
1649 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1650 }
1651
1652 static void qemu_kill_report(void)
1653 {
1654 if (!qtest_driver() && shutdown_signal) {
1655 if (shutdown_pid == 0) {
1656 /* This happens for eg ^C at the terminal, so it's worth
1657 * avoiding printing an odd message in that case.
1658 */
1659 error_report("terminating on signal %d", shutdown_signal);
1660 } else {
1661 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1662
1663 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1664 shutdown_signal, shutdown_pid,
1665 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1666 g_free(shutdown_cmd);
1667 }
1668 shutdown_signal = 0;
1669 }
1670 }
1671
1672 static ShutdownCause qemu_reset_requested(void)
1673 {
1674 ShutdownCause r = reset_requested;
1675
1676 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1677 reset_requested = SHUTDOWN_CAUSE_NONE;
1678 return r;
1679 }
1680 return SHUTDOWN_CAUSE_NONE;
1681 }
1682
1683 static int qemu_suspend_requested(void)
1684 {
1685 int r = suspend_requested;
1686 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1687 suspend_requested = 0;
1688 return r;
1689 }
1690 return false;
1691 }
1692
1693 static WakeupReason qemu_wakeup_requested(void)
1694 {
1695 return wakeup_reason;
1696 }
1697
1698 static int qemu_powerdown_requested(void)
1699 {
1700 int r = powerdown_requested;
1701 powerdown_requested = 0;
1702 return r;
1703 }
1704
1705 static int qemu_debug_requested(void)
1706 {
1707 int r = debug_requested;
1708 debug_requested = 0;
1709 return r;
1710 }
1711
1712 void qemu_exit_preconfig_request(void)
1713 {
1714 preconfig_exit_requested = true;
1715 }
1716
1717 /*
1718 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1719 */
1720 void qemu_system_reset(ShutdownCause reason)
1721 {
1722 MachineClass *mc;
1723
1724 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1725
1726 cpu_synchronize_all_states();
1727
1728 if (mc && mc->reset) {
1729 mc->reset();
1730 } else {
1731 qemu_devices_reset();
1732 }
1733 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1734 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1735 }
1736 cpu_synchronize_all_post_reset();
1737 }
1738
1739 void qemu_system_guest_panicked(GuestPanicInformation *info)
1740 {
1741 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1742
1743 if (current_cpu) {
1744 current_cpu->crash_occurred = true;
1745 }
1746 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1747 !!info, info);
1748 vm_stop(RUN_STATE_GUEST_PANICKED);
1749 if (!no_shutdown) {
1750 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1751 !!info, info);
1752 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1753 }
1754
1755 if (info) {
1756 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1757 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1758 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1759 info->u.hyper_v.arg1,
1760 info->u.hyper_v.arg2,
1761 info->u.hyper_v.arg3,
1762 info->u.hyper_v.arg4,
1763 info->u.hyper_v.arg5);
1764 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1765 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1766 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1767 info->u.s390.core,
1768 S390CrashReason_str(info->u.s390.reason),
1769 info->u.s390.psw_mask,
1770 info->u.s390.psw_addr);
1771 }
1772 qapi_free_GuestPanicInformation(info);
1773 }
1774 }
1775
1776 void qemu_system_reset_request(ShutdownCause reason)
1777 {
1778 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1779 shutdown_requested = reason;
1780 } else {
1781 reset_requested = reason;
1782 }
1783 cpu_stop_current();
1784 qemu_notify_event();
1785 }
1786
1787 static void qemu_system_suspend(void)
1788 {
1789 pause_all_vcpus();
1790 notifier_list_notify(&suspend_notifiers, NULL);
1791 runstate_set(RUN_STATE_SUSPENDED);
1792 qapi_event_send_suspend();
1793 }
1794
1795 void qemu_system_suspend_request(void)
1796 {
1797 if (runstate_check(RUN_STATE_SUSPENDED)) {
1798 return;
1799 }
1800 suspend_requested = 1;
1801 cpu_stop_current();
1802 qemu_notify_event();
1803 }
1804
1805 void qemu_register_suspend_notifier(Notifier *notifier)
1806 {
1807 notifier_list_add(&suspend_notifiers, notifier);
1808 }
1809
1810 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1811 {
1812 trace_system_wakeup_request(reason);
1813
1814 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1815 error_setg(errp,
1816 "Unable to wake up: guest is not in suspended state");
1817 return;
1818 }
1819 if (!(wakeup_reason_mask & (1 << reason))) {
1820 return;
1821 }
1822 runstate_set(RUN_STATE_RUNNING);
1823 wakeup_reason = reason;
1824 qemu_notify_event();
1825 }
1826
1827 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1828 {
1829 if (enabled) {
1830 wakeup_reason_mask |= (1 << reason);
1831 } else {
1832 wakeup_reason_mask &= ~(1 << reason);
1833 }
1834 }
1835
1836 void qemu_register_wakeup_notifier(Notifier *notifier)
1837 {
1838 notifier_list_add(&wakeup_notifiers, notifier);
1839 }
1840
1841 void qemu_register_wakeup_support(void)
1842 {
1843 wakeup_suspend_enabled = true;
1844 }
1845
1846 bool qemu_wakeup_suspend_enabled(void)
1847 {
1848 return wakeup_suspend_enabled;
1849 }
1850
1851 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1852 {
1853 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1854 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1855
1856 return params;
1857 }
1858
1859 void qemu_system_killed(int signal, pid_t pid)
1860 {
1861 shutdown_signal = signal;
1862 shutdown_pid = pid;
1863 no_shutdown = 0;
1864
1865 /* Cannot call qemu_system_shutdown_request directly because
1866 * we are in a signal handler.
1867 */
1868 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1869 qemu_notify_event();
1870 }
1871
1872 void qemu_system_shutdown_request(ShutdownCause reason)
1873 {
1874 trace_qemu_system_shutdown_request(reason);
1875 replay_shutdown_request(reason);
1876 shutdown_requested = reason;
1877 qemu_notify_event();
1878 }
1879
1880 static void qemu_system_powerdown(void)
1881 {
1882 qapi_event_send_powerdown();
1883 notifier_list_notify(&powerdown_notifiers, NULL);
1884 }
1885
1886 static void qemu_system_shutdown(ShutdownCause cause)
1887 {
1888 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1889 notifier_list_notify(&shutdown_notifiers, &cause);
1890 }
1891
1892 void qemu_system_powerdown_request(void)
1893 {
1894 trace_qemu_system_powerdown_request();
1895 powerdown_requested = 1;
1896 qemu_notify_event();
1897 }
1898
1899 void qemu_register_powerdown_notifier(Notifier *notifier)
1900 {
1901 notifier_list_add(&powerdown_notifiers, notifier);
1902 }
1903
1904 void qemu_register_shutdown_notifier(Notifier *notifier)
1905 {
1906 notifier_list_add(&shutdown_notifiers, notifier);
1907 }
1908
1909 void qemu_system_debug_request(void)
1910 {
1911 debug_requested = 1;
1912 qemu_notify_event();
1913 }
1914
1915 static bool main_loop_should_exit(void)
1916 {
1917 RunState r;
1918 ShutdownCause request;
1919
1920 if (preconfig_exit_requested) {
1921 if (runstate_check(RUN_STATE_PRECONFIG)) {
1922 runstate_set(RUN_STATE_PRELAUNCH);
1923 }
1924 preconfig_exit_requested = false;
1925 return true;
1926 }
1927 if (qemu_debug_requested()) {
1928 vm_stop(RUN_STATE_DEBUG);
1929 }
1930 if (qemu_suspend_requested()) {
1931 qemu_system_suspend();
1932 }
1933 request = qemu_shutdown_requested();
1934 if (request) {
1935 qemu_kill_report();
1936 qemu_system_shutdown(request);
1937 if (no_shutdown) {
1938 vm_stop(RUN_STATE_SHUTDOWN);
1939 } else {
1940 return true;
1941 }
1942 }
1943 request = qemu_reset_requested();
1944 if (request) {
1945 pause_all_vcpus();
1946 qemu_system_reset(request);
1947 resume_all_vcpus();
1948 if (!runstate_check(RUN_STATE_RUNNING) &&
1949 !runstate_check(RUN_STATE_INMIGRATE)) {
1950 runstate_set(RUN_STATE_PRELAUNCH);
1951 }
1952 }
1953 if (qemu_wakeup_requested()) {
1954 pause_all_vcpus();
1955 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1956 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1957 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1958 resume_all_vcpus();
1959 qapi_event_send_wakeup();
1960 }
1961 if (qemu_powerdown_requested()) {
1962 qemu_system_powerdown();
1963 }
1964 if (qemu_vmstop_requested(&r)) {
1965 vm_stop(r);
1966 }
1967 return false;
1968 }
1969
1970 static void main_loop(void)
1971 {
1972 #ifdef CONFIG_PROFILER
1973 int64_t ti;
1974 #endif
1975 while (!main_loop_should_exit()) {
1976 #ifdef CONFIG_PROFILER
1977 ti = profile_getclock();
1978 #endif
1979 main_loop_wait(false);
1980 #ifdef CONFIG_PROFILER
1981 dev_time += profile_getclock() - ti;
1982 #endif
1983 }
1984 }
1985
1986 static void version(void)
1987 {
1988 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1989 QEMU_COPYRIGHT "\n");
1990 }
1991
1992 static void QEMU_NORETURN help(int exitcode)
1993 {
1994 version();
1995 printf("usage: %s [options] [disk_image]\n\n"
1996 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1997 error_get_progname());
1998
1999 #define QEMU_OPTIONS_GENERATE_HELP
2000 #include "qemu-options-wrapper.h"
2001
2002 printf("\nDuring emulation, the following keys are useful:\n"
2003 "ctrl-alt-f toggle full screen\n"
2004 "ctrl-alt-n switch to virtual console 'n'\n"
2005 "ctrl-alt toggle mouse and keyboard grab\n"
2006 "\n"
2007 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2008 "\n"
2009 QEMU_HELP_BOTTOM "\n");
2010
2011 exit(exitcode);
2012 }
2013
2014 #define HAS_ARG 0x0001
2015
2016 typedef struct QEMUOption {
2017 const char *name;
2018 int flags;
2019 int index;
2020 uint32_t arch_mask;
2021 } QEMUOption;
2022
2023 static const QEMUOption qemu_options[] = {
2024 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2025 #define QEMU_OPTIONS_GENERATE_OPTIONS
2026 #include "qemu-options-wrapper.h"
2027 { NULL },
2028 };
2029
2030 typedef struct VGAInterfaceInfo {
2031 const char *opt_name; /* option name */
2032 const char *name; /* human-readable name */
2033 /* Class names indicating that support is available.
2034 * If no class is specified, the interface is always available */
2035 const char *class_names[2];
2036 } VGAInterfaceInfo;
2037
2038 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2039 [VGA_NONE] = {
2040 .opt_name = "none",
2041 },
2042 [VGA_STD] = {
2043 .opt_name = "std",
2044 .name = "standard VGA",
2045 .class_names = { "VGA", "isa-vga" },
2046 },
2047 [VGA_CIRRUS] = {
2048 .opt_name = "cirrus",
2049 .name = "Cirrus VGA",
2050 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2051 },
2052 [VGA_VMWARE] = {
2053 .opt_name = "vmware",
2054 .name = "VMWare SVGA",
2055 .class_names = { "vmware-svga" },
2056 },
2057 [VGA_VIRTIO] = {
2058 .opt_name = "virtio",
2059 .name = "Virtio VGA",
2060 .class_names = { "virtio-vga" },
2061 },
2062 [VGA_QXL] = {
2063 .opt_name = "qxl",
2064 .name = "QXL VGA",
2065 .class_names = { "qxl-vga" },
2066 },
2067 [VGA_TCX] = {
2068 .opt_name = "tcx",
2069 .name = "TCX framebuffer",
2070 .class_names = { "SUNW,tcx" },
2071 },
2072 [VGA_CG3] = {
2073 .opt_name = "cg3",
2074 .name = "CG3 framebuffer",
2075 .class_names = { "cgthree" },
2076 },
2077 [VGA_XENFB] = {
2078 .opt_name = "xenfb",
2079 },
2080 };
2081
2082 static bool vga_interface_available(VGAInterfaceType t)
2083 {
2084 VGAInterfaceInfo *ti = &vga_interfaces[t];
2085
2086 assert(t < VGA_TYPE_MAX);
2087 return !ti->class_names[0] ||
2088 object_class_by_name(ti->class_names[0]) ||
2089 object_class_by_name(ti->class_names[1]);
2090 }
2091
2092 static void select_vgahw(const char *p)
2093 {
2094 const char *opts;
2095 int t;
2096
2097 assert(vga_interface_type == VGA_NONE);
2098 for (t = 0; t < VGA_TYPE_MAX; t++) {
2099 VGAInterfaceInfo *ti = &vga_interfaces[t];
2100 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2101 if (!vga_interface_available(t)) {
2102 error_report("%s not available", ti->name);
2103 exit(1);
2104 }
2105 vga_interface_type = t;
2106 break;
2107 }
2108 }
2109 if (t == VGA_TYPE_MAX) {
2110 invalid_vga:
2111 error_report("unknown vga type: %s", p);
2112 exit(1);
2113 }
2114 while (*opts) {
2115 const char *nextopt;
2116
2117 if (strstart(opts, ",retrace=", &nextopt)) {
2118 opts = nextopt;
2119 if (strstart(opts, "dumb", &nextopt))
2120 vga_retrace_method = VGA_RETRACE_DUMB;
2121 else if (strstart(opts, "precise", &nextopt))
2122 vga_retrace_method = VGA_RETRACE_PRECISE;
2123 else goto invalid_vga;
2124 } else goto invalid_vga;
2125 opts = nextopt;
2126 }
2127 }
2128
2129 static void parse_display_qapi(const char *optarg)
2130 {
2131 DisplayOptions *opts;
2132 Visitor *v;
2133
2134 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2135
2136 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2137 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2138
2139 qapi_free_DisplayOptions(opts);
2140 visit_free(v);
2141 }
2142
2143 DisplayOptions *qmp_query_display_options(Error **errp)
2144 {
2145 return QAPI_CLONE(DisplayOptions, &dpy);
2146 }
2147
2148 static void parse_display(const char *p)
2149 {
2150 const char *opts;
2151
2152 if (strstart(p, "sdl", &opts)) {
2153 /*
2154 * sdl DisplayType needs hand-crafted parser instead of
2155 * parse_display_qapi() due to some options not in
2156 * DisplayOptions, specifically:
2157 * - frame
2158 * Already deprecated.
2159 * - ctrl_grab + alt_grab
2160 * Not clear yet what happens to them long-term. Should
2161 * replaced by something better or deprecated and dropped.
2162 */
2163 dpy.type = DISPLAY_TYPE_SDL;
2164 while (*opts) {
2165 const char *nextopt;
2166
2167 if (strstart(opts, ",alt_grab=", &nextopt)) {
2168 opts = nextopt;
2169 if (strstart(opts, "on", &nextopt)) {
2170 alt_grab = 1;
2171 } else if (strstart(opts, "off", &nextopt)) {
2172 alt_grab = 0;
2173 } else {
2174 goto invalid_sdl_args;
2175 }
2176 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2177 opts = nextopt;
2178 if (strstart(opts, "on", &nextopt)) {
2179 ctrl_grab = 1;
2180 } else if (strstart(opts, "off", &nextopt)) {
2181 ctrl_grab = 0;
2182 } else {
2183 goto invalid_sdl_args;
2184 }
2185 } else if (strstart(opts, ",window_close=", &nextopt)) {
2186 opts = nextopt;
2187 dpy.has_window_close = true;
2188 if (strstart(opts, "on", &nextopt)) {
2189 dpy.window_close = true;
2190 } else if (strstart(opts, "off", &nextopt)) {
2191 dpy.window_close = false;
2192 } else {
2193 goto invalid_sdl_args;
2194 }
2195 } else if (strstart(opts, ",gl=", &nextopt)) {
2196 opts = nextopt;
2197 dpy.has_gl = true;
2198 if (strstart(opts, "on", &nextopt)) {
2199 dpy.gl = DISPLAYGL_MODE_ON;
2200 } else if (strstart(opts, "core", &nextopt)) {
2201 dpy.gl = DISPLAYGL_MODE_CORE;
2202 } else if (strstart(opts, "es", &nextopt)) {
2203 dpy.gl = DISPLAYGL_MODE_ES;
2204 } else if (strstart(opts, "off", &nextopt)) {
2205 dpy.gl = DISPLAYGL_MODE_OFF;
2206 } else {
2207 goto invalid_sdl_args;
2208 }
2209 } else {
2210 invalid_sdl_args:
2211 error_report("invalid SDL option string");
2212 exit(1);
2213 }
2214 opts = nextopt;
2215 }
2216 } else if (strstart(p, "vnc", &opts)) {
2217 /*
2218 * vnc isn't a (local) DisplayType but a protocol for remote
2219 * display access.
2220 */
2221 if (*opts == '=') {
2222 vnc_parse(opts + 1, &error_fatal);
2223 } else {
2224 error_report("VNC requires a display argument vnc=<display>");
2225 exit(1);
2226 }
2227 } else {
2228 parse_display_qapi(p);
2229 }
2230 }
2231
2232 char *qemu_find_file(int type, const char *name)
2233 {
2234 int i;
2235 const char *subdir;
2236 char *buf;
2237
2238 /* Try the name as a straight path first */
2239 if (access(name, R_OK) == 0) {
2240 trace_load_file(name, name);
2241 return g_strdup(name);
2242 }
2243
2244 switch (type) {
2245 case QEMU_FILE_TYPE_BIOS:
2246 subdir = "";
2247 break;
2248 case QEMU_FILE_TYPE_KEYMAP:
2249 subdir = "keymaps/";
2250 break;
2251 default:
2252 abort();
2253 }
2254
2255 for (i = 0; i < data_dir_idx; i++) {
2256 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2257 if (access(buf, R_OK) == 0) {
2258 trace_load_file(name, buf);
2259 return buf;
2260 }
2261 g_free(buf);
2262 }
2263 return NULL;
2264 }
2265
2266 static void qemu_add_data_dir(const char *path)
2267 {
2268 int i;
2269
2270 if (path == NULL) {
2271 return;
2272 }
2273 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2274 return;
2275 }
2276 for (i = 0; i < data_dir_idx; i++) {
2277 if (strcmp(data_dir[i], path) == 0) {
2278 return; /* duplicate */
2279 }
2280 }
2281 data_dir[data_dir_idx++] = g_strdup(path);
2282 }
2283
2284 static inline bool nonempty_str(const char *str)
2285 {
2286 return str && *str;
2287 }
2288
2289 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2290 {
2291 gchar *buf;
2292 size_t size;
2293 const char *name, *file, *str;
2294 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2295
2296 if (fw_cfg == NULL) {
2297 error_setg(errp, "fw_cfg device not available");
2298 return -1;
2299 }
2300 name = qemu_opt_get(opts, "name");
2301 file = qemu_opt_get(opts, "file");
2302 str = qemu_opt_get(opts, "string");
2303
2304 /* we need name and either a file or the content string */
2305 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2306 error_setg(errp, "invalid argument(s)");
2307 return -1;
2308 }
2309 if (nonempty_str(file) && nonempty_str(str)) {
2310 error_setg(errp, "file and string are mutually exclusive");
2311 return -1;
2312 }
2313 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2314 error_setg(errp, "name too long (max. %d char)",
2315 FW_CFG_MAX_FILE_PATH - 1);
2316 return -1;
2317 }
2318 if (strncmp(name, "opt/", 4) != 0) {
2319 warn_report("externally provided fw_cfg item names "
2320 "should be prefixed with \"opt/\"");
2321 }
2322 if (nonempty_str(str)) {
2323 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2324 buf = g_memdup(str, size);
2325 } else {
2326 GError *err = NULL;
2327 if (!g_file_get_contents(file, &buf, &size, &err)) {
2328 error_setg(errp, "can't load %s: %s", file, err->message);
2329 g_error_free(err);
2330 return -1;
2331 }
2332 }
2333 /* For legacy, keep user files in a specific global order. */
2334 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2335 fw_cfg_add_file(fw_cfg, name, buf, size);
2336 fw_cfg_reset_order_override(fw_cfg);
2337 return 0;
2338 }
2339
2340 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2341 {
2342 return qdev_device_help(opts);
2343 }
2344
2345 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2346 {
2347 DeviceState *dev;
2348
2349 dev = qdev_device_add(opts, errp);
2350 if (!dev) {
2351 return -1;
2352 }
2353 object_unref(OBJECT(dev));
2354 return 0;
2355 }
2356
2357 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2358 {
2359 Error *local_err = NULL;
2360
2361 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2362 if (local_err) {
2363 error_propagate(errp, local_err);
2364 return -1;
2365 }
2366 exit(0);
2367 }
2368 return 0;
2369 }
2370
2371 #ifdef CONFIG_VIRTFS
2372 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2373 {
2374 return qemu_fsdev_add(opts, errp);
2375 }
2376 #endif
2377
2378 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2379 {
2380 Chardev *chr;
2381 const char *chardev;
2382 const char *mode;
2383 int flags;
2384
2385 mode = qemu_opt_get(opts, "mode");
2386 if (mode == NULL) {
2387 mode = "readline";
2388 }
2389 if (strcmp(mode, "readline") == 0) {
2390 flags = MONITOR_USE_READLINE;
2391 } else if (strcmp(mode, "control") == 0) {
2392 flags = MONITOR_USE_CONTROL;
2393 } else {
2394 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2395 return -1;
2396 }
2397
2398 if (qemu_opt_get_bool(opts, "pretty", 0))
2399 flags |= MONITOR_USE_PRETTY;
2400
2401 chardev = qemu_opt_get(opts, "chardev");
2402 if (!chardev) {
2403 error_report("chardev is required");
2404 exit(1);
2405 }
2406 chr = qemu_chr_find(chardev);
2407 if (chr == NULL) {
2408 error_setg(errp, "chardev \"%s\" not found", chardev);
2409 return -1;
2410 }
2411
2412 monitor_init(chr, flags);
2413 return 0;
2414 }
2415
2416 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2417 {
2418 static int monitor_device_index = 0;
2419 QemuOpts *opts;
2420 const char *p;
2421 char label[32];
2422
2423 if (strstart(optarg, "chardev:", &p)) {
2424 snprintf(label, sizeof(label), "%s", p);
2425 } else {
2426 snprintf(label, sizeof(label), "compat_monitor%d",
2427 monitor_device_index);
2428 opts = qemu_chr_parse_compat(label, optarg, true);
2429 if (!opts) {
2430 error_report("parse error: %s", optarg);
2431 exit(1);
2432 }
2433 }
2434
2435 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2436 qemu_opt_set(opts, "mode", mode, &error_abort);
2437 qemu_opt_set(opts, "chardev", label, &error_abort);
2438 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2439 monitor_device_index++;
2440 }
2441
2442 struct device_config {
2443 enum {
2444 DEV_USB, /* -usbdevice */
2445 DEV_BT, /* -bt */
2446 DEV_SERIAL, /* -serial */
2447 DEV_PARALLEL, /* -parallel */
2448 DEV_DEBUGCON, /* -debugcon */
2449 DEV_GDB, /* -gdb, -s */
2450 DEV_SCLP, /* s390 sclp */
2451 } type;
2452 const char *cmdline;
2453 Location loc;
2454 QTAILQ_ENTRY(device_config) next;
2455 };
2456
2457 static QTAILQ_HEAD(, device_config) device_configs =
2458 QTAILQ_HEAD_INITIALIZER(device_configs);
2459
2460 static void add_device_config(int type, const char *cmdline)
2461 {
2462 struct device_config *conf;
2463
2464 conf = g_malloc0(sizeof(*conf));
2465 conf->type = type;
2466 conf->cmdline = cmdline;
2467 loc_save(&conf->loc);
2468 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2469 }
2470
2471 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2472 {
2473 struct device_config *conf;
2474 int rc;
2475
2476 QTAILQ_FOREACH(conf, &device_configs, next) {
2477 if (conf->type != type)
2478 continue;
2479 loc_push_restore(&conf->loc);
2480 rc = func(conf->cmdline);
2481 loc_pop(&conf->loc);
2482 if (rc) {
2483 return rc;
2484 }
2485 }
2486 return 0;
2487 }
2488
2489 static int serial_parse(const char *devname)
2490 {
2491 int index = num_serial_hds;
2492 char label[32];
2493
2494 if (strcmp(devname, "none") == 0)
2495 return 0;
2496 snprintf(label, sizeof(label), "serial%d", index);
2497 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2498
2499 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2500 if (!serial_hds[index]) {
2501 error_report("could not connect serial device"
2502 " to character backend '%s'", devname);
2503 return -1;
2504 }
2505 num_serial_hds++;
2506 return 0;
2507 }
2508
2509 Chardev *serial_hd(int i)
2510 {
2511 assert(i >= 0);
2512 if (i < num_serial_hds) {
2513 return serial_hds[i];
2514 }
2515 return NULL;
2516 }
2517
2518 int serial_max_hds(void)
2519 {
2520 return num_serial_hds;
2521 }
2522
2523 static int parallel_parse(const char *devname)
2524 {
2525 static int index = 0;
2526 char label[32];
2527
2528 if (strcmp(devname, "none") == 0)
2529 return 0;
2530 if (index == MAX_PARALLEL_PORTS) {
2531 error_report("too many parallel ports");
2532 exit(1);
2533 }
2534 snprintf(label, sizeof(label), "parallel%d", index);
2535 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2536 if (!parallel_hds[index]) {
2537 error_report("could not connect parallel device"
2538 " to character backend '%s'", devname);
2539 return -1;
2540 }
2541 index++;
2542 return 0;
2543 }
2544
2545 static int debugcon_parse(const char *devname)
2546 {
2547 QemuOpts *opts;
2548
2549 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
2550 error_report("invalid character backend '%s'", devname);
2551 exit(1);
2552 }
2553 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2554 if (!opts) {
2555 error_report("already have a debugcon device");
2556 exit(1);
2557 }
2558 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2559 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2560 return 0;
2561 }
2562
2563 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2564 {
2565 const MachineClass *mc1 = a, *mc2 = b;
2566 int res;
2567
2568 if (mc1->family == NULL) {
2569 if (mc2->family == NULL) {
2570 /* Compare standalone machine types against each other; they sort
2571 * in increasing order.
2572 */
2573 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2574 object_class_get_name(OBJECT_CLASS(mc2)));
2575 }
2576
2577 /* Standalone machine types sort after families. */
2578 return 1;
2579 }
2580
2581 if (mc2->family == NULL) {
2582 /* Families sort before standalone machine types. */
2583 return -1;
2584 }
2585
2586 /* Families sort between each other alphabetically increasingly. */
2587 res = strcmp(mc1->family, mc2->family);
2588 if (res != 0) {
2589 return res;
2590 }
2591
2592 /* Within the same family, machine types sort in decreasing order. */
2593 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2594 object_class_get_name(OBJECT_CLASS(mc1)));
2595 }
2596
2597 static MachineClass *machine_parse(const char *name)
2598 {
2599 MachineClass *mc = NULL;
2600 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2601
2602 if (name) {
2603 mc = find_machine(name);
2604 }
2605 if (mc) {
2606 g_slist_free(machines);
2607 return mc;
2608 }
2609 if (name && !is_help_option(name)) {
2610 error_report("unsupported machine type");
2611 error_printf("Use -machine help to list supported machines\n");
2612 } else {
2613 printf("Supported machines are:\n");
2614 machines = g_slist_sort(machines, machine_class_cmp);
2615 for (el = machines; el; el = el->next) {
2616 MachineClass *mc = el->data;
2617 if (mc->alias) {
2618 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2619 }
2620 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2621 mc->is_default ? " (default)" : "",
2622 mc->deprecation_reason ? " (deprecated)" : "");
2623 }
2624 }
2625
2626 g_slist_free(machines);
2627 exit(!name || !is_help_option(name));
2628 }
2629
2630 void qemu_add_exit_notifier(Notifier *notify)
2631 {
2632 notifier_list_add(&exit_notifiers, notify);
2633 }
2634
2635 void qemu_remove_exit_notifier(Notifier *notify)
2636 {
2637 notifier_remove(notify);
2638 }
2639
2640 static void qemu_run_exit_notifiers(void)
2641 {
2642 notifier_list_notify(&exit_notifiers, NULL);
2643 }
2644
2645 static const char *pid_file;
2646 static Notifier qemu_unlink_pidfile_notifier;
2647
2648 static void qemu_unlink_pidfile(Notifier *n, void *data)
2649 {
2650 if (pid_file) {
2651 unlink(pid_file);
2652 }
2653 }
2654
2655 bool machine_init_done;
2656
2657 void qemu_add_machine_init_done_notifier(Notifier *notify)
2658 {
2659 notifier_list_add(&machine_init_done_notifiers, notify);
2660 if (machine_init_done) {
2661 notify->notify(notify, NULL);
2662 }
2663 }
2664
2665 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2666 {
2667 notifier_remove(notify);
2668 }
2669
2670 static void qemu_run_machine_init_done_notifiers(void)
2671 {
2672 machine_init_done = true;
2673 notifier_list_notify(&machine_init_done_notifiers, NULL);
2674 }
2675
2676 static const QEMUOption *lookup_opt(int argc, char **argv,
2677 const char **poptarg, int *poptind)
2678 {
2679 const QEMUOption *popt;
2680 int optind = *poptind;
2681 char *r = argv[optind];
2682 const char *optarg;
2683
2684 loc_set_cmdline(argv, optind, 1);
2685 optind++;
2686 /* Treat --foo the same as -foo. */
2687 if (r[1] == '-')
2688 r++;
2689 popt = qemu_options;
2690 for(;;) {
2691 if (!popt->name) {
2692 error_report("invalid option");
2693 exit(1);
2694 }
2695 if (!strcmp(popt->name, r + 1))
2696 break;
2697 popt++;
2698 }
2699 if (popt->flags & HAS_ARG) {
2700 if (optind >= argc) {
2701 error_report("requires an argument");
2702 exit(1);
2703 }
2704 optarg = argv[optind++];
2705 loc_set_cmdline(argv, optind - 2, 2);
2706 } else {
2707 optarg = NULL;
2708 }
2709
2710 *poptarg = optarg;
2711 *poptind = optind;
2712
2713 return popt;
2714 }
2715
2716 static MachineClass *select_machine(void)
2717 {
2718 MachineClass *machine_class = find_default_machine();
2719 const char *optarg;
2720 QemuOpts *opts;
2721 Location loc;
2722
2723 loc_push_none(&loc);
2724
2725 opts = qemu_get_machine_opts();
2726 qemu_opts_loc_restore(opts);
2727
2728 optarg = qemu_opt_get(opts, "type");
2729 if (optarg) {
2730 machine_class = machine_parse(optarg);
2731 }
2732
2733 if (!machine_class) {
2734 error_report("No machine specified, and there is no default");
2735 error_printf("Use -machine help to list supported machines\n");
2736 exit(1);
2737 }
2738
2739 loc_pop(&loc);
2740 return machine_class;
2741 }
2742
2743 static int machine_set_property(void *opaque,
2744 const char *name, const char *value,
2745 Error **errp)
2746 {
2747 Object *obj = OBJECT(opaque);
2748 Error *local_err = NULL;
2749 char *p, *qom_name;
2750
2751 if (strcmp(name, "type") == 0) {
2752 return 0;
2753 }
2754
2755 qom_name = g_strdup(name);
2756 for (p = qom_name; *p; p++) {
2757 if (*p == '_') {
2758 *p = '-';
2759 }
2760 }
2761
2762 object_property_parse(obj, value, qom_name, &local_err);
2763 g_free(qom_name);
2764
2765 if (local_err) {
2766 error_propagate(errp, local_err);
2767 return -1;
2768 }
2769
2770 return 0;
2771 }
2772
2773
2774 /*
2775 * Initial object creation happens before all other
2776 * QEMU data types are created. The majority of objects
2777 * can be created at this point. The rng-egd object
2778 * cannot be created here, as it depends on the chardev
2779 * already existing.
2780 */
2781 static bool object_create_initial(const char *type, QemuOpts *opts)
2782 {
2783 ObjectClass *klass;
2784
2785 if (is_help_option(type)) {
2786 GSList *l, *list;
2787
2788 printf("List of user creatable objects:\n");
2789 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2790 for (l = list; l != NULL; l = l->next) {
2791 ObjectClass *oc = OBJECT_CLASS(l->data);
2792 printf(" %s\n", object_class_get_name(oc));
2793 }
2794 g_slist_free(list);
2795 exit(0);
2796 }
2797
2798 klass = object_class_by_name(type);
2799 if (klass && qemu_opt_has_help_opt(opts)) {
2800 ObjectPropertyIterator iter;
2801 ObjectProperty *prop;
2802 GPtrArray *array = g_ptr_array_new();
2803 int i;
2804
2805 object_class_property_iter_init(&iter, klass);
2806 while ((prop = object_property_iter_next(&iter))) {
2807 GString *str;
2808
2809 if (!prop->set) {
2810 continue;
2811 }
2812
2813 str = g_string_new(NULL);
2814 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2815 if (prop->description) {
2816 if (str->len < 24) {
2817 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2818 }
2819 g_string_append_printf(str, " - %s", prop->description);
2820 }
2821 g_ptr_array_add(array, g_string_free(str, false));
2822 }
2823 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2824 if (array->len > 0) {
2825 printf("%s options:\n", type);
2826 } else {
2827 printf("There are no options for %s.\n", type);
2828 }
2829 for (i = 0; i < array->len; i++) {
2830 printf("%s\n", (char *)array->pdata[i]);
2831 }
2832 g_ptr_array_set_free_func(array, g_free);
2833 g_ptr_array_free(array, true);
2834 exit(0);
2835 }
2836
2837 if (g_str_equal(type, "rng-egd") ||
2838 g_str_has_prefix(type, "pr-manager-")) {
2839 return false;
2840 }
2841
2842 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2843 if (g_str_equal(type, "cryptodev-vhost-user")) {
2844 return false;
2845 }
2846 #endif
2847
2848 /*
2849 * return false for concrete netfilters since
2850 * they depend on netdevs already existing
2851 */
2852 if (g_str_equal(type, "filter-buffer") ||
2853 g_str_equal(type, "filter-dump") ||
2854 g_str_equal(type, "filter-mirror") ||
2855 g_str_equal(type, "filter-redirector") ||
2856 g_str_equal(type, "colo-compare") ||
2857 g_str_equal(type, "filter-rewriter") ||
2858 g_str_equal(type, "filter-replay")) {
2859 return false;
2860 }
2861
2862 /* Memory allocation by backends needs to be done
2863 * after configure_accelerator() (due to the tcg_enabled()
2864 * checks at memory_region_init_*()).
2865 *
2866 * Also, allocation of large amounts of memory may delay
2867 * chardev initialization for too long, and trigger timeouts
2868 * on software that waits for a monitor socket to be created
2869 * (e.g. libvirt).
2870 */
2871 if (g_str_has_prefix(type, "memory-backend-")) {
2872 return false;
2873 }
2874
2875 return true;
2876 }
2877
2878
2879 /*
2880 * The remainder of object creation happens after the
2881 * creation of chardev, fsdev, net clients and device data types.
2882 */
2883 static bool object_create_delayed(const char *type, QemuOpts *opts)
2884 {
2885 return !object_create_initial(type, opts);
2886 }
2887
2888
2889 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2890 MachineClass *mc)
2891 {
2892 uint64_t sz;
2893 const char *mem_str;
2894 const ram_addr_t default_ram_size = mc->default_ram_size;
2895 QemuOpts *opts = qemu_find_opts_singleton("memory");
2896 Location loc;
2897
2898 loc_push_none(&loc);
2899 qemu_opts_loc_restore(opts);
2900
2901 sz = 0;
2902 mem_str = qemu_opt_get(opts, "size");
2903 if (mem_str) {
2904 if (!*mem_str) {
2905 error_report("missing 'size' option value");
2906 exit(EXIT_FAILURE);
2907 }
2908
2909 sz = qemu_opt_get_size(opts, "size", ram_size);
2910
2911 /* Fix up legacy suffix-less format */
2912 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2913 uint64_t overflow_check = sz;
2914
2915 sz *= MiB;
2916 if (sz / MiB != overflow_check) {
2917 error_report("too large 'size' option value");
2918 exit(EXIT_FAILURE);
2919 }
2920 }
2921 }
2922
2923 /* backward compatibility behaviour for case "-m 0" */
2924 if (sz == 0) {
2925 sz = default_ram_size;
2926 }
2927
2928 sz = QEMU_ALIGN_UP(sz, 8192);
2929 ram_size = sz;
2930 if (ram_size != sz) {
2931 error_report("ram size too large");
2932 exit(EXIT_FAILURE);
2933 }
2934
2935 /* store value for the future use */
2936 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2937 *maxram_size = ram_size;
2938
2939 if (qemu_opt_get(opts, "maxmem")) {
2940 uint64_t slots;
2941
2942 sz = qemu_opt_get_size(opts, "maxmem", 0);
2943 slots = qemu_opt_get_number(opts, "slots", 0);
2944 if (sz < ram_size) {
2945 error_report("invalid value of -m option maxmem: "
2946 "maximum memory size (0x%" PRIx64 ") must be at least "
2947 "the initial memory size (0x" RAM_ADDR_FMT ")",
2948 sz, ram_size);
2949 exit(EXIT_FAILURE);
2950 } else if (slots && sz == ram_size) {
2951 error_report("invalid value of -m option maxmem: "
2952 "memory slots were specified but maximum memory size "
2953 "(0x%" PRIx64 ") is equal to the initial memory size "
2954 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2955 exit(EXIT_FAILURE);
2956 }
2957
2958 *maxram_size = sz;
2959 *ram_slots = slots;
2960 } else if (qemu_opt_get(opts, "slots")) {
2961 error_report("invalid -m option value: missing 'maxmem' option");
2962 exit(EXIT_FAILURE);
2963 }
2964
2965 loc_pop(&loc);
2966 }
2967
2968 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2969 {
2970 GlobalProperty *g;
2971
2972 g = g_malloc0(sizeof(*g));
2973 g->driver = qemu_opt_get(opts, "driver");
2974 g->property = qemu_opt_get(opts, "property");
2975 g->value = qemu_opt_get(opts, "value");
2976 qdev_prop_register_global(g);
2977 return 0;
2978 }
2979
2980 static int qemu_read_default_config_file(void)
2981 {
2982 int ret;
2983
2984 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2985 if (ret < 0 && ret != -ENOENT) {
2986 return ret;
2987 }
2988
2989 return 0;
2990 }
2991
2992 static void user_register_global_props(void)
2993 {
2994 qemu_opts_foreach(qemu_find_opts("global"),
2995 global_init_func, NULL, NULL);
2996 }
2997
2998 int main(int argc, char **argv)
2999 {
3000 int i;
3001 int snapshot, linux_boot;
3002 const char *initrd_filename;
3003 const char *kernel_filename, *kernel_cmdline;
3004 const char *boot_order = NULL;
3005 const char *boot_once = NULL;
3006 DisplayState *ds;
3007 QemuOpts *opts, *machine_opts;
3008 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
3009 QemuOptsList *olist;
3010 int optind;
3011 const char *optarg;
3012 const char *loadvm = NULL;
3013 MachineClass *machine_class;
3014 const char *cpu_model;
3015 const char *vga_model = NULL;
3016 const char *qtest_chrdev = NULL;
3017 const char *qtest_log = NULL;
3018 const char *incoming = NULL;
3019 bool userconfig = true;
3020 bool nographic = false;
3021 int display_remote = 0;
3022 const char *log_mask = NULL;
3023 const char *log_file = NULL;
3024 char *trace_file = NULL;
3025 ram_addr_t maxram_size;
3026 uint64_t ram_slots = 0;
3027 FILE *vmstate_dump_file = NULL;
3028 Error *main_loop_err = NULL;
3029 Error *err = NULL;
3030 bool list_data_dirs = false;
3031 char *dir, **dirs;
3032 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3033
3034 module_call_init(MODULE_INIT_TRACE);
3035
3036 qemu_init_cpu_list();
3037 qemu_init_cpu_loop();
3038
3039 qemu_mutex_lock_iothread();
3040
3041 atexit(qemu_run_exit_notifiers);
3042 error_set_progname(argv[0]);
3043 qemu_init_exec_dir(argv[0]);
3044
3045 module_call_init(MODULE_INIT_QOM);
3046
3047 qemu_add_opts(&qemu_drive_opts);
3048 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3049 qemu_add_drive_opts(&qemu_common_drive_opts);
3050 qemu_add_drive_opts(&qemu_drive_opts);
3051 qemu_add_drive_opts(&bdrv_runtime_opts);
3052 qemu_add_opts(&qemu_chardev_opts);
3053 qemu_add_opts(&qemu_device_opts);
3054 qemu_add_opts(&qemu_netdev_opts);
3055 qemu_add_opts(&qemu_nic_opts);
3056 qemu_add_opts(&qemu_net_opts);
3057 qemu_add_opts(&qemu_rtc_opts);
3058 qemu_add_opts(&qemu_global_opts);
3059 qemu_add_opts(&qemu_mon_opts);
3060 qemu_add_opts(&qemu_trace_opts);
3061 qemu_add_opts(&qemu_option_rom_opts);
3062 qemu_add_opts(&qemu_machine_opts);
3063 qemu_add_opts(&qemu_accel_opts);
3064 qemu_add_opts(&qemu_mem_opts);
3065 qemu_add_opts(&qemu_smp_opts);
3066 qemu_add_opts(&qemu_boot_opts);
3067 qemu_add_opts(&qemu_add_fd_opts);
3068 qemu_add_opts(&qemu_object_opts);
3069 qemu_add_opts(&qemu_tpmdev_opts);
3070 qemu_add_opts(&qemu_realtime_opts);
3071 qemu_add_opts(&qemu_overcommit_opts);
3072 qemu_add_opts(&qemu_msg_opts);
3073 qemu_add_opts(&qemu_name_opts);
3074 qemu_add_opts(&qemu_numa_opts);
3075 qemu_add_opts(&qemu_icount_opts);
3076 qemu_add_opts(&qemu_semihosting_config_opts);
3077 qemu_add_opts(&qemu_fw_cfg_opts);
3078 module_call_init(MODULE_INIT_OPTS);
3079
3080 runstate_init();
3081 precopy_infrastructure_init();
3082 postcopy_infrastructure_init();
3083 monitor_init_globals();
3084
3085 if (qcrypto_init(&err) < 0) {
3086 error_reportf_err(err, "cannot initialize crypto: ");
3087 exit(1);
3088 }
3089
3090 QLIST_INIT (&vm_change_state_head);
3091 os_setup_early_signal_handling();
3092
3093 cpu_model = NULL;
3094 snapshot = 0;
3095
3096 nb_nics = 0;
3097
3098 bdrv_init_with_whitelist();
3099
3100 autostart = 1;
3101
3102 /* first pass of option parsing */
3103 optind = 1;
3104 while (optind < argc) {
3105 if (argv[optind][0] != '-') {
3106 /* disk image */
3107 optind++;
3108 } else {
3109 const QEMUOption *popt;
3110
3111 popt = lookup_opt(argc, argv, &optarg, &optind);
3112 switch (popt->index) {
3113 case QEMU_OPTION_nouserconfig:
3114 userconfig = false;
3115 break;
3116 }
3117 }
3118 }
3119
3120 if (userconfig) {
3121 if (qemu_read_default_config_file() < 0) {
3122 exit(1);
3123 }
3124 }
3125
3126 /* second pass of option parsing */
3127 optind = 1;
3128 for(;;) {
3129 if (optind >= argc)
3130 break;
3131 if (argv[optind][0] != '-') {
3132 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3133 } else {
3134 const QEMUOption *popt;
3135
3136 popt = lookup_opt(argc, argv, &optarg, &optind);
3137 if (!(popt->arch_mask & arch_type)) {
3138 error_report("Option not supported for this target");
3139 exit(1);
3140 }
3141 switch(popt->index) {
3142 case QEMU_OPTION_cpu:
3143 /* hw initialization will check this */
3144 cpu_model = optarg;
3145 break;
3146 case QEMU_OPTION_hda:
3147 case QEMU_OPTION_hdb:
3148 case QEMU_OPTION_hdc:
3149 case QEMU_OPTION_hdd:
3150 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3151 HD_OPTS);
3152 break;
3153 case QEMU_OPTION_blockdev:
3154 {
3155 Visitor *v;
3156 BlockdevOptionsQueueEntry *bdo;
3157
3158 v = qobject_input_visitor_new_str(optarg, "driver",
3159 &error_fatal);
3160
3161 bdo = g_new(BlockdevOptionsQueueEntry, 1);
3162 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3163 &error_fatal);
3164 visit_free(v);
3165 loc_save(&bdo->loc);
3166 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3167 break;
3168 }
3169 case QEMU_OPTION_drive:
3170 if (drive_def(optarg) == NULL) {
3171 exit(1);
3172 }
3173 break;
3174 case QEMU_OPTION_set:
3175 if (qemu_set_option(optarg) != 0)
3176 exit(1);
3177 break;
3178 case QEMU_OPTION_global:
3179 if (qemu_global_option(optarg) != 0)
3180 exit(1);
3181 break;
3182 case QEMU_OPTION_mtdblock:
3183 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3184 break;
3185 case QEMU_OPTION_sd:
3186 drive_add(IF_SD, -1, optarg, SD_OPTS);
3187 break;
3188 case QEMU_OPTION_pflash:
3189 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3190 break;
3191 case QEMU_OPTION_snapshot:
3192 snapshot = 1;
3193 break;
3194 case QEMU_OPTION_numa:
3195 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3196 optarg, true);
3197 if (!opts) {
3198 exit(1);
3199 }
3200 break;
3201 case QEMU_OPTION_display:
3202 parse_display(optarg);
3203 break;
3204 case QEMU_OPTION_nographic:
3205 olist = qemu_find_opts("machine");
3206 qemu_opts_parse_noisily(olist, "graphics=off", false);
3207 nographic = true;
3208 dpy.type = DISPLAY_TYPE_NONE;
3209 break;
3210 case QEMU_OPTION_curses:
3211 #ifdef CONFIG_CURSES
3212 dpy.type = DISPLAY_TYPE_CURSES;
3213 #else
3214 error_report("curses or iconv support is disabled");
3215 exit(1);
3216 #endif
3217 break;
3218 case QEMU_OPTION_portrait:
3219 graphic_rotate = 90;
3220 break;
3221 case QEMU_OPTION_rotate:
3222 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3223 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3224 graphic_rotate != 180 && graphic_rotate != 270) {
3225 error_report("only 90, 180, 270 deg rotation is available");
3226 exit(1);
3227 }
3228 break;
3229 case QEMU_OPTION_kernel:
3230 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3231 &error_abort);
3232 break;
3233 case QEMU_OPTION_initrd:
3234 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3235 &error_abort);
3236 break;
3237 case QEMU_OPTION_append:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3239 &error_abort);
3240 break;
3241 case QEMU_OPTION_dtb:
3242 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3243 &error_abort);
3244 break;
3245 case QEMU_OPTION_cdrom:
3246 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3247 break;
3248 case QEMU_OPTION_boot:
3249 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3250 optarg, true);
3251 if (!opts) {
3252 exit(1);
3253 }
3254 break;
3255 case QEMU_OPTION_fda:
3256 case QEMU_OPTION_fdb:
3257 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3258 optarg, FD_OPTS);
3259 break;
3260 case QEMU_OPTION_no_fd_bootchk:
3261 fd_bootchk = 0;
3262 break;
3263 case QEMU_OPTION_netdev:
3264 default_net = 0;
3265 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3266 exit(1);
3267 }
3268 break;
3269 case QEMU_OPTION_nic:
3270 default_net = 0;
3271 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3272 exit(1);
3273 }
3274 break;
3275 case QEMU_OPTION_net:
3276 default_net = 0;
3277 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3278 exit(1);
3279 }
3280 break;
3281 #ifdef CONFIG_LIBISCSI
3282 case QEMU_OPTION_iscsi:
3283 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3284 optarg, false);
3285 if (!opts) {
3286 exit(1);
3287 }
3288 break;
3289 #endif
3290 case QEMU_OPTION_bt:
3291 warn_report("The bluetooth subsystem is deprecated and will "
3292 "be removed soon. If the bluetooth subsystem is "
3293 "still useful for you, please send a mail to "
3294 "qemu-devel@nongnu.org with your usecase.");
3295 add_device_config(DEV_BT, optarg);
3296 break;
3297 case QEMU_OPTION_audio_help:
3298 audio_legacy_help();
3299 exit (0);
3300 break;
3301 case QEMU_OPTION_audiodev:
3302 audio_parse_option(optarg);
3303 break;
3304 case QEMU_OPTION_soundhw:
3305 select_soundhw (optarg);
3306 break;
3307 case QEMU_OPTION_h:
3308 help(0);
3309 break;
3310 case QEMU_OPTION_version:
3311 version();
3312 exit(0);
3313 break;
3314 case QEMU_OPTION_m:
3315 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3316 optarg, true);
3317 if (!opts) {
3318 exit(EXIT_FAILURE);
3319 }
3320 break;
3321 #ifdef CONFIG_TPM
3322 case QEMU_OPTION_tpmdev:
3323 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3324 exit(1);
3325 }
3326 break;
3327 #endif
3328 case QEMU_OPTION_mempath:
3329 mem_path = optarg;
3330 break;
3331 case QEMU_OPTION_mem_prealloc:
3332 mem_prealloc = 1;
3333 break;
3334 case QEMU_OPTION_d:
3335 log_mask = optarg;
3336 break;
3337 case QEMU_OPTION_D:
3338 log_file = optarg;
3339 break;
3340 case QEMU_OPTION_DFILTER:
3341 qemu_set_dfilter_ranges(optarg, &error_fatal);
3342 break;
3343 case QEMU_OPTION_s:
3344 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3345 break;
3346 case QEMU_OPTION_gdb:
3347 add_device_config(DEV_GDB, optarg);
3348 break;
3349 case QEMU_OPTION_L:
3350 if (is_help_option(optarg)) {
3351 list_data_dirs = true;
3352 } else {
3353 qemu_add_data_dir(optarg);
3354 }
3355 break;
3356 case QEMU_OPTION_bios:
3357 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3358 &error_abort);
3359 break;
3360 case QEMU_OPTION_singlestep:
3361 singlestep = 1;
3362 break;
3363 case QEMU_OPTION_S:
3364 autostart = 0;
3365 break;
3366 case QEMU_OPTION_k:
3367 keyboard_layout = optarg;
3368 break;
3369 case QEMU_OPTION_vga:
3370 vga_model = optarg;
3371 default_vga = 0;
3372 break;
3373 case QEMU_OPTION_g:
3374 {
3375 const char *p;
3376 int w, h, depth;
3377 p = optarg;
3378 w = strtol(p, (char **)&p, 10);
3379 if (w <= 0) {
3380 graphic_error:
3381 error_report("invalid resolution or depth");
3382 exit(1);
3383 }
3384 if (*p != 'x')
3385 goto graphic_error;
3386 p++;
3387 h = strtol(p, (char **)&p, 10);
3388 if (h <= 0)
3389 goto graphic_error;
3390 if (*p == 'x') {
3391 p++;
3392 depth = strtol(p, (char **)&p, 10);
3393 if (depth != 8 && depth != 15 && depth != 16 &&
3394 depth != 24 && depth != 32)
3395 goto graphic_error;
3396 } else if (*p == '\0') {
3397 depth = graphic_depth;
3398 } else {
3399 goto graphic_error;
3400 }
3401
3402 graphic_width = w;
3403 graphic_height = h;
3404 graphic_depth = depth;
3405 }
3406 break;
3407 case QEMU_OPTION_echr:
3408 {
3409 char *r;
3410 term_escape_char = strtol(optarg, &r, 0);
3411 if (r == optarg)
3412 printf("Bad argument to echr\n");
3413 break;
3414 }
3415 case QEMU_OPTION_monitor:
3416 default_monitor = 0;
3417 if (strncmp(optarg, "none", 4)) {
3418 monitor_parse(optarg, "readline", false);
3419 }
3420 break;
3421 case QEMU_OPTION_qmp:
3422 monitor_parse(optarg, "control", false);
3423 default_monitor = 0;
3424 break;
3425 case QEMU_OPTION_qmp_pretty:
3426 monitor_parse(optarg, "control", true);
3427 default_monitor = 0;
3428 break;
3429 case QEMU_OPTION_mon:
3430 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3431 true);
3432 if (!opts) {
3433 exit(1);
3434 }
3435 default_monitor = 0;
3436 break;
3437 case QEMU_OPTION_chardev:
3438 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3439 optarg, true);
3440 if (!opts) {
3441 exit(1);
3442 }
3443 break;
3444 case QEMU_OPTION_fsdev:
3445 olist = qemu_find_opts("fsdev");
3446 if (!olist) {
3447 error_report("fsdev support is disabled");
3448 exit(1);
3449 }
3450 opts = qemu_opts_parse_noisily(olist, optarg, true);
3451 if (!opts) {
3452 exit(1);
3453 }
3454 break;
3455 case QEMU_OPTION_virtfs: {
3456 QemuOpts *fsdev;
3457 QemuOpts *device;
3458 const char *writeout, *sock_fd, *socket, *path, *security_model;
3459
3460 olist = qemu_find_opts("virtfs");
3461 if (!olist) {
3462 error_report("virtfs support is disabled");
3463 exit(1);
3464 }
3465 opts = qemu_opts_parse_noisily(olist, optarg, true);
3466 if (!opts) {
3467 exit(1);
3468 }
3469
3470 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3471 qemu_opt_get(opts, "mount_tag") == NULL) {
3472 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3473 exit(1);
3474 }
3475 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3476 qemu_opts_id(opts) ?:
3477 qemu_opt_get(opts, "mount_tag"),
3478 1, NULL);
3479 if (!fsdev) {
3480 error_report("duplicate or invalid fsdev id: %s",
3481 qemu_opt_get(opts, "mount_tag"));
3482 exit(1);
3483 }
3484
3485 writeout = qemu_opt_get(opts, "writeout");
3486 if (writeout) {
3487 #ifdef CONFIG_SYNC_FILE_RANGE
3488 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3489 #else
3490 error_report("writeout=immediate not supported "
3491 "on this platform");
3492 exit(1);
3493 #endif
3494 }
3495 qemu_opt_set(fsdev, "fsdriver",
3496 qemu_opt_get(opts, "fsdriver"), &error_abort);
3497 path = qemu_opt_get(opts, "path");
3498 if (path) {
3499 qemu_opt_set(fsdev, "path", path, &error_abort);
3500 }
3501 security_model = qemu_opt_get(opts, "security_model");
3502 if (security_model) {
3503 qemu_opt_set(fsdev, "security_model", security_model,
3504 &error_abort);
3505 }
3506 socket = qemu_opt_get(opts, "socket");
3507 if (socket) {
3508 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3509 }
3510 sock_fd = qemu_opt_get(opts, "sock_fd");
3511 if (sock_fd) {
3512 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3513 }
3514
3515 qemu_opt_set_bool(fsdev, "readonly",
3516 qemu_opt_get_bool(opts, "readonly", 0),
3517 &error_abort);
3518 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3519 &error_abort);
3520 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3521 qemu_opt_set(device, "fsdev",
3522 qemu_opts_id(fsdev), &error_abort);
3523 qemu_opt_set(device, "mount_tag",
3524 qemu_opt_get(opts, "mount_tag"), &error_abort);
3525 break;
3526 }
3527 case QEMU_OPTION_virtfs_synth: {
3528 QemuOpts *fsdev;
3529 QemuOpts *device;
3530
3531 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3532 1, NULL);
3533 if (!fsdev) {
3534 error_report("duplicate option: %s", "virtfs_synth");
3535 exit(1);
3536 }
3537 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3538
3539 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3540 &error_abort);
3541 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3542 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3543 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3544 break;
3545 }
3546 case QEMU_OPTION_serial:
3547 add_device_config(DEV_SERIAL, optarg);
3548 default_serial = 0;
3549 if (strncmp(optarg, "mon:", 4) == 0) {
3550 default_monitor = 0;
3551 }
3552 break;
3553 case QEMU_OPTION_watchdog:
3554 if (watchdog) {
3555 error_report("only one watchdog option may be given");
3556 return 1;
3557 }
3558 watchdog = optarg;
3559 break;
3560 case QEMU_OPTION_watchdog_action:
3561 if (select_watchdog_action(optarg) == -1) {
3562 error_report("unknown -watchdog-action parameter");
3563 exit(1);
3564 }
3565 break;
3566 case QEMU_OPTION_parallel:
3567 add_device_config(DEV_PARALLEL, optarg);
3568 default_parallel = 0;
3569 if (strncmp(optarg, "mon:", 4) == 0) {
3570 default_monitor = 0;
3571 }
3572 break;
3573 case QEMU_OPTION_debugcon:
3574 add_device_config(DEV_DEBUGCON, optarg);
3575 break;
3576 case QEMU_OPTION_loadvm:
3577 loadvm = optarg;
3578 break;
3579 case QEMU_OPTION_full_screen:
3580 dpy.has_full_screen = true;
3581 dpy.full_screen = true;
3582 break;
3583 case QEMU_OPTION_alt_grab:
3584 alt_grab = 1;
3585 break;
3586 case QEMU_OPTION_ctrl_grab:
3587 ctrl_grab = 1;
3588 break;
3589 case QEMU_OPTION_no_quit:
3590 dpy.has_window_close = true;
3591 dpy.window_close = false;
3592 break;
3593 case QEMU_OPTION_sdl:
3594 #ifdef CONFIG_SDL
3595 dpy.type = DISPLAY_TYPE_SDL;
3596 break;
3597 #else
3598 error_report("SDL support is disabled");
3599 exit(1);
3600 #endif
3601 case QEMU_OPTION_pidfile:
3602 pid_file = optarg;
3603 break;
3604 case QEMU_OPTION_win2k_hack:
3605 win2k_install_hack = 1;
3606 break;
3607 case QEMU_OPTION_acpitable:
3608 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3609 optarg, true);
3610 if (!opts) {
3611 exit(1);
3612 }
3613 acpi_table_add(opts, &error_fatal);
3614 break;
3615 case QEMU_OPTION_smbios:
3616 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3617 optarg, false);
3618 if (!opts) {
3619 exit(1);
3620 }
3621 smbios_entry_add(opts, &error_fatal);
3622 break;
3623 case QEMU_OPTION_fwcfg:
3624 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3625 optarg, true);
3626 if (opts == NULL) {
3627 exit(1);
3628 }
3629 break;
3630 case QEMU_OPTION_preconfig:
3631 preconfig_exit_requested = false;
3632 break;
3633 case QEMU_OPTION_enable_kvm:
3634 olist = qemu_find_opts("machine");
3635 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3636 break;
3637 case QEMU_OPTION_M:
3638 case QEMU_OPTION_machine:
3639 olist = qemu_find_opts("machine");
3640 opts = qemu_opts_parse_noisily(olist, optarg, true);
3641 if (!opts) {
3642 exit(1);
3643 }
3644 break;
3645 case QEMU_OPTION_no_kvm:
3646 olist = qemu_find_opts("machine");
3647 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3648 break;
3649 case QEMU_OPTION_accel:
3650 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3651 optarg, true);
3652 optarg = qemu_opt_get(accel_opts, "accel");
3653 if (!optarg || is_help_option(optarg)) {
3654 error_printf("Possible accelerators: kvm, xen, hax, whpx, tcg\n");
3655 exit(0);
3656 }
3657 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3658 false, &error_abort);
3659 qemu_opt_set(opts, "accel", optarg, &error_abort);
3660 break;
3661 case QEMU_OPTION_usb:
3662 olist = qemu_find_opts("machine");
3663 qemu_opts_parse_noisily(olist, "usb=on", false);
3664 break;
3665 case QEMU_OPTION_usbdevice:
3666 error_report("'-usbdevice' is deprecated, please use "
3667 "'-device usb-...' instead");
3668 olist = qemu_find_opts("machine");
3669 qemu_opts_parse_noisily(olist, "usb=on", false);
3670 add_device_config(DEV_USB, optarg);
3671 break;
3672 case QEMU_OPTION_device:
3673 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3674 optarg, true)) {
3675 exit(1);
3676 }
3677 break;
3678 case QEMU_OPTION_smp:
3679 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3680 optarg, true)) {
3681 exit(1);
3682 }
3683 break;
3684 case QEMU_OPTION_vnc:
3685 vnc_parse(optarg, &error_fatal);
3686 break;
3687 case QEMU_OPTION_no_acpi:
3688 acpi_enabled = 0;
3689 break;
3690 case QEMU_OPTION_no_hpet:
3691 no_hpet = 1;
3692 break;
3693 case QEMU_OPTION_no_reboot:
3694 no_reboot = 1;
3695 break;
3696 case QEMU_OPTION_no_shutdown:
3697 no_shutdown = 1;
3698 break;
3699 case QEMU_OPTION_show_cursor:
3700 cursor_hide = 0;
3701 break;
3702 case QEMU_OPTION_uuid:
3703 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3704 error_report("failed to parse UUID string: wrong format");
3705 exit(1);
3706 }
3707 qemu_uuid_set = true;
3708 break;
3709 case QEMU_OPTION_option_rom:
3710 if (nb_option_roms >= MAX_OPTION_ROMS) {
3711 error_report("too many option ROMs");
3712 exit(1);
3713 }
3714 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3715 optarg, true);
3716 if (!opts) {
3717 exit(1);
3718 }
3719 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3720 option_rom[nb_option_roms].bootindex =
3721 qemu_opt_get_number(opts, "bootindex", -1);
3722 if (!option_rom[nb_option_roms].name) {
3723 error_report("Option ROM file is not specified");
3724 exit(1);
3725 }
3726 nb_option_roms++;
3727 break;
3728 case QEMU_OPTION_semihosting:
3729 semihosting.enabled = true;
3730 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3731 break;
3732 case QEMU_OPTION_semihosting_config:
3733 semihosting.enabled = true;
3734 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3735 optarg, false);
3736 if (opts != NULL) {
3737 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3738 true);
3739 const char *target = qemu_opt_get(opts, "target");
3740 if (target != NULL) {
3741 if (strcmp("native", target) == 0) {
3742 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3743 } else if (strcmp("gdb", target) == 0) {
3744 semihosting.target = SEMIHOSTING_TARGET_GDB;
3745 } else if (strcmp("auto", target) == 0) {
3746 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3747 } else {
3748 error_report("unsupported semihosting-config %s",
3749 optarg);
3750 exit(1);
3751 }
3752 } else {
3753 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3754 }
3755 /* Set semihosting argument count and vector */
3756 qemu_opt_foreach(opts, add_semihosting_arg,
3757 &semihosting, NULL);
3758 } else {
3759 error_report("unsupported semihosting-config %s", optarg);
3760 exit(1);
3761 }
3762 break;
3763 case QEMU_OPTION_name:
3764 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3765 optarg, true);
3766 if (!opts) {
3767 exit(1);
3768 }
3769 break;
3770 case QEMU_OPTION_prom_env:
3771 if (nb_prom_envs >= MAX_PROM_ENVS) {
3772 error_report("too many prom variables");
3773 exit(1);
3774 }
3775 prom_envs[nb_prom_envs] = optarg;
3776 nb_prom_envs++;
3777 break;
3778 case QEMU_OPTION_old_param:
3779 old_param = 1;
3780 break;
3781 case QEMU_OPTION_rtc:
3782 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3783 false);
3784 if (!opts) {
3785 exit(1);
3786 }
3787 break;
3788 case QEMU_OPTION_tb_size:
3789 #ifndef CONFIG_TCG
3790 error_report("TCG is disabled");
3791 exit(1);
3792 #endif
3793 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3794 error_report("Invalid argument to -tb-size");
3795 exit(1);
3796 }
3797 break;
3798 case QEMU_OPTION_icount:
3799 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3800 optarg, true);
3801 if (!icount_opts) {
3802 exit(1);
3803 }
3804 break;
3805 case QEMU_OPTION_incoming:
3806 if (!incoming) {
3807 runstate_set(RUN_STATE_INMIGRATE);
3808 }
3809 incoming = optarg;
3810 break;
3811 case QEMU_OPTION_only_migratable:
3812 /*
3813 * TODO: we can remove this option one day, and we
3814 * should all use:
3815 *
3816 * "-global migration.only-migratable=true"
3817 */
3818 qemu_global_option("migration.only-migratable=true");
3819 break;
3820 case QEMU_OPTION_nodefaults:
3821 has_defaults = 0;
3822 break;
3823 case QEMU_OPTION_xen_domid:
3824 if (!(xen_available())) {
3825 error_report("Option not supported for this target");
3826 exit(1);
3827 }
3828 xen_domid = atoi(optarg);
3829 break;
3830 case QEMU_OPTION_xen_attach:
3831 if (!(xen_available())) {
3832 error_report("Option not supported for this target");
3833 exit(1);
3834 }
3835 xen_mode = XEN_ATTACH;
3836 break;
3837 case QEMU_OPTION_xen_domid_restrict:
3838 if (!(xen_available())) {
3839 error_report("Option not supported for this target");
3840 exit(1);
3841 }
3842 xen_domid_restrict = true;
3843 break;
3844 case QEMU_OPTION_trace:
3845 g_free(trace_file);
3846 trace_file = trace_opt_parse(optarg);
3847 break;
3848 case QEMU_OPTION_trace_unassigned:
3849 trace_unassigned = true;
3850 break;
3851 case QEMU_OPTION_readconfig:
3852 {
3853 int ret = qemu_read_config_file(optarg);
3854 if (ret < 0) {
3855 error_report("read config %s: %s", optarg,
3856 strerror(-ret));
3857 exit(1);
3858 }
3859 break;
3860 }
3861 case QEMU_OPTION_spice:
3862 olist = qemu_find_opts("spice");
3863 if (!olist) {
3864 error_report("spice support is disabled");
3865 exit(1);
3866 }
3867 opts = qemu_opts_parse_noisily(olist, optarg, false);
3868 if (!opts) {
3869 exit(1);
3870 }
3871 display_remote++;
3872 break;
3873 case QEMU_OPTION_writeconfig:
3874 {
3875 FILE *fp;
3876 if (strcmp(optarg, "-") == 0) {
3877 fp = stdout;
3878 } else {
3879 fp = fopen(optarg, "w");
3880 if (fp == NULL) {
3881 error_report("open %s: %s", optarg,
3882 strerror(errno));
3883 exit(1);
3884 }
3885 }
3886 qemu_config_write(fp);
3887 if (fp != stdout) {
3888 fclose(fp);
3889 }
3890 break;
3891 }
3892 case QEMU_OPTION_qtest:
3893 qtest_chrdev = optarg;
3894 break;
3895 case QEMU_OPTION_qtest_log:
3896 qtest_log = optarg;
3897 break;
3898 case QEMU_OPTION_sandbox:
3899 #ifdef CONFIG_SECCOMP
3900 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3901 optarg, true);
3902 if (!opts) {
3903 exit(1);
3904 }
3905 #else
3906 error_report("-sandbox support is not enabled "
3907 "in this QEMU binary");
3908 exit(1);
3909 #endif
3910 break;
3911 case QEMU_OPTION_add_fd:
3912 #ifndef _WIN32
3913 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3914 optarg, false);
3915 if (!opts) {
3916 exit(1);
3917 }
3918 #else
3919 error_report("File descriptor passing is disabled on this "
3920 "platform");
3921 exit(1);
3922 #endif
3923 break;
3924 case QEMU_OPTION_object:
3925 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3926 optarg, true);
3927 if (!opts) {
3928 exit(1);
3929 }
3930 break;
3931 case QEMU_OPTION_realtime:
3932 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3933 optarg, false);
3934 if (!opts) {
3935 exit(1);
3936 }
3937 /* Don't override the -overcommit option if set */
3938 enable_mlock = enable_mlock ||
3939 qemu_opt_get_bool(opts, "mlock", true);
3940 break;
3941 case QEMU_OPTION_overcommit:
3942 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3943 optarg, false);
3944 if (!opts) {
3945 exit(1);
3946 }
3947 /* Don't override the -realtime option if set */
3948 enable_mlock = enable_mlock ||
3949 qemu_opt_get_bool(opts, "mem-lock", false);
3950 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3951 break;
3952 case QEMU_OPTION_msg:
3953 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3954 false);
3955 if (!opts) {
3956 exit(1);
3957 }
3958 configure_msg(opts);
3959 break;
3960 case QEMU_OPTION_dump_vmstate:
3961 if (vmstate_dump_file) {
3962 error_report("only one '-dump-vmstate' "
3963 "option may be given");
3964 exit(1);
3965 }
3966 vmstate_dump_file = fopen(optarg, "w");
3967 if (vmstate_dump_file == NULL) {
3968 error_report("open %s: %s", optarg, strerror(errno));
3969 exit(1);
3970 }
3971 break;
3972 case QEMU_OPTION_enable_sync_profile:
3973 qsp_enable();
3974 break;
3975 case QEMU_OPTION_nouserconfig:
3976 /* Nothing to be parsed here. Especially, do not error out below. */
3977 break;
3978 default:
3979 if (os_parse_cmd_args(popt->index, optarg)) {
3980 error_report("Option not supported in this build");
3981 exit(1);
3982 }
3983 }
3984 }
3985 }
3986 /*
3987 * Clear error location left behind by the loop.
3988 * Best done right after the loop. Do not insert code here!
3989 */
3990 loc_set_none();
3991
3992 user_register_global_props();
3993
3994 replay_configure(icount_opts);
3995
3996 if (incoming && !preconfig_exit_requested) {
3997 error_report("'preconfig' and 'incoming' options are "
3998 "mutually exclusive");
3999 exit(EXIT_FAILURE);
4000 }
4001
4002 configure_rtc(qemu_find_opts_singleton("rtc"));
4003
4004 machine_class = select_machine();
4005 object_set_machine_compat_props(machine_class->compat_props);
4006
4007 set_memory_options(&ram_slots, &maxram_size, machine_class);
4008
4009 os_daemonize();
4010 rcu_disable_atfork();
4011
4012 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4013 error_reportf_err(err, "cannot create PID file: ");
4014 exit(1);
4015 }
4016
4017 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4018 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4019
4020 if (qemu_init_main_loop(&main_loop_err)) {
4021 error_report_err(main_loop_err);
4022 exit(1);
4023 }
4024
4025 #ifdef CONFIG_SECCOMP
4026 olist = qemu_find_opts_err("sandbox", NULL);
4027 if (olist) {
4028 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4029 }
4030 #endif
4031
4032 qemu_opts_foreach(qemu_find_opts("name"),
4033 parse_name, NULL, &error_fatal);
4034
4035 #ifndef _WIN32
4036 qemu_opts_foreach(qemu_find_opts("add-fd"),
4037 parse_add_fd, NULL, &error_fatal);
4038
4039 qemu_opts_foreach(qemu_find_opts("add-fd"),
4040 cleanup_add_fd, NULL, &error_fatal);
4041 #endif
4042
4043 current_machine = MACHINE(object_new(object_class_get_name(
4044 OBJECT_CLASS(machine_class))));
4045 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4046 exit(0);
4047 }
4048 object_property_add_child(object_get_root(), "machine",
4049 OBJECT(current_machine), &error_abort);
4050 object_property_add_child(container_get(OBJECT(current_machine),
4051 "/unattached"),
4052 "sysbus", OBJECT(sysbus_get_default()),
4053 NULL);
4054
4055 if (machine_class->minimum_page_bits) {
4056 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4057 /* This would be a board error: specifying a minimum smaller than
4058 * a target's compile-time fixed setting.
4059 */
4060 g_assert_not_reached();
4061 }
4062 }
4063
4064 cpu_exec_init_all();
4065
4066 if (machine_class->hw_version) {
4067 qemu_set_hw_version(machine_class->hw_version);
4068 }
4069
4070 if (cpu_model && is_help_option(cpu_model)) {
4071 list_cpus(stdout, &fprintf, cpu_model);
4072 exit(0);
4073 }
4074
4075 if (!trace_init_backends()) {
4076 exit(1);
4077 }
4078 trace_init_file(trace_file);
4079
4080 /* Open the logfile at this point and set the log mask if necessary.
4081 */
4082 if (log_file) {
4083 qemu_set_log_filename(log_file, &error_fatal);
4084 }
4085
4086 if (log_mask) {
4087 int mask;
4088 mask = qemu_str_to_log_mask(log_mask);
4089 if (!mask) {
4090 qemu_print_log_usage(stdout);
4091 exit(1);
4092 }
4093 qemu_set_log(mask);
4094 } else {
4095 qemu_set_log(0);
4096 }
4097
4098 /* add configured firmware directories */
4099 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4100 for (i = 0; dirs[i] != NULL; i++) {
4101 qemu_add_data_dir(dirs[i]);
4102 }
4103 g_strfreev(dirs);
4104
4105 /* try to find datadir relative to the executable path */
4106 dir = os_find_datadir();
4107 qemu_add_data_dir(dir);
4108 g_free(dir);
4109
4110 /* add the datadir specified when building */
4111 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4112
4113 /* -L help lists the data directories and exits. */
4114 if (list_data_dirs) {
4115 for (i = 0; i < data_dir_idx; i++) {
4116 printf("%s\n", data_dir[i]);
4117 }
4118 exit(0);
4119 }
4120
4121 /* machine_class: default to UP */
4122 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4123 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4124 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4125
4126 /* default to machine_class->default_cpus */
4127 smp_cpus = machine_class->default_cpus;
4128 max_cpus = machine_class->default_cpus;
4129
4130 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4131
4132 /* sanity-check smp_cpus and max_cpus against machine_class */
4133 if (smp_cpus < machine_class->min_cpus) {
4134 error_report("Invalid SMP CPUs %d. The min CPUs "
4135 "supported by machine '%s' is %d", smp_cpus,
4136 machine_class->name, machine_class->min_cpus);
4137 exit(1);
4138 }
4139 if (max_cpus > machine_class->max_cpus) {
4140 error_report("Invalid SMP CPUs %d. The max CPUs "
4141 "supported by machine '%s' is %d", max_cpus,
4142 machine_class->name, machine_class->max_cpus);
4143 exit(1);
4144 }
4145
4146 /*
4147 * Get the default machine options from the machine if it is not already
4148 * specified either by the configuration file or by the command line.
4149 */
4150 if (machine_class->default_machine_opts) {
4151 qemu_opts_set_defaults(qemu_find_opts("machine"),
4152 machine_class->default_machine_opts, 0);
4153 }
4154
4155 qemu_opts_foreach(qemu_find_opts("device"),
4156 default_driver_check, NULL, NULL);
4157 qemu_opts_foreach(qemu_find_opts("global"),
4158 default_driver_check, NULL, NULL);
4159
4160 if (!vga_model && !default_vga) {
4161 vga_interface_type = VGA_DEVICE;
4162 }
4163 if (!has_defaults || machine_class->no_serial) {
4164 default_serial = 0;
4165 }
4166 if (!has_defaults || machine_class->no_parallel) {
4167 default_parallel = 0;
4168 }
4169 if (!has_defaults || machine_class->no_floppy) {
4170 default_floppy = 0;
4171 }
4172 if (!has_defaults || machine_class->no_cdrom) {
4173 default_cdrom = 0;
4174 }
4175 if (!has_defaults || machine_class->no_sdcard) {
4176 default_sdcard = 0;
4177 }
4178 if (!has_defaults) {
4179 default_monitor = 0;
4180 default_net = 0;
4181 default_vga = 0;
4182 }
4183
4184 if (is_daemonized()) {
4185 if (!preconfig_exit_requested) {
4186 error_report("'preconfig' and 'daemonize' options are "
4187 "mutually exclusive");
4188 exit(EXIT_FAILURE);
4189 }
4190
4191 /* According to documentation and historically, -nographic redirects
4192 * serial port, parallel port and monitor to stdio, which does not work
4193 * with -daemonize. We can redirect these to null instead, but since
4194 * -nographic is legacy, let's just error out.
4195 * We disallow -nographic only if all other ports are not redirected
4196 * explicitly, to not break existing legacy setups which uses
4197 * -nographic _and_ redirects all ports explicitly - this is valid
4198 * usage, -nographic is just a no-op in this case.
4199 */
4200 if (nographic
4201 && (default_parallel || default_serial || default_monitor)) {
4202 error_report("-nographic cannot be used with -daemonize");
4203 exit(1);
4204 }
4205 #ifdef CONFIG_CURSES
4206 if (dpy.type == DISPLAY_TYPE_CURSES) {
4207 error_report("curses display cannot be used with -daemonize");
4208 exit(1);
4209 }
4210 #endif
4211 }
4212
4213 if (nographic) {
4214 if (default_parallel)
4215 add_device_config(DEV_PARALLEL, "null");
4216 if (default_serial && default_monitor) {
4217 add_device_config(DEV_SERIAL, "mon:stdio");
4218 } else {
4219 if (default_serial)
4220 add_device_config(DEV_SERIAL, "stdio");
4221 if (default_monitor)
4222 monitor_parse("stdio", "readline", false);
4223 }
4224 } else {
4225 if (default_serial)
4226 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4227 if (default_parallel)
4228 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4229 if (default_monitor)
4230 monitor_parse("vc:80Cx24C", "readline", false);
4231 }
4232
4233 #if defined(CONFIG_VNC)
4234 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4235 display_remote++;
4236 }
4237 #endif
4238 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4239 if (!qemu_display_find_default(&dpy)) {
4240 dpy.type = DISPLAY_TYPE_NONE;
4241 #if defined(CONFIG_VNC)
4242 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4243 #endif
4244 }
4245 }
4246 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4247 dpy.type = DISPLAY_TYPE_NONE;
4248 }
4249
4250 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4251 error_report("-alt-grab and -ctrl-grab are only valid "
4252 "for SDL, ignoring option");
4253 }
4254 if (dpy.has_window_close &&
4255 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4256 error_report("-no-quit is only valid for GTK and SDL, "
4257 "ignoring option");
4258 }
4259
4260 qemu_display_early_init(&dpy);
4261 qemu_console_early_init();
4262
4263 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4264 #if defined(CONFIG_OPENGL)
4265 error_report("OpenGL is not supported by the display");
4266 #else
4267 error_report("OpenGL support is disabled");
4268 #endif
4269 exit(1);
4270 }
4271
4272 page_size_init();
4273 socket_init();
4274
4275 qemu_opts_foreach(qemu_find_opts("object"),
4276 user_creatable_add_opts_foreach,
4277 object_create_initial, &error_fatal);
4278
4279 qemu_opts_foreach(qemu_find_opts("chardev"),
4280 chardev_init_func, NULL, &error_fatal);
4281
4282 #ifdef CONFIG_VIRTFS
4283 qemu_opts_foreach(qemu_find_opts("fsdev"),
4284 fsdev_init_func, NULL, &error_fatal);
4285 #endif
4286
4287 if (qemu_opts_foreach(qemu_find_opts("device"),
4288 device_help_func, NULL, NULL)) {
4289 exit(0);
4290 }
4291
4292 /*
4293 * Migration object can only be created after global properties
4294 * are applied correctly.
4295 */
4296 migration_object_init();
4297
4298 /*
4299 * Note: we need to create block backends before
4300 * machine_set_property(), so machine properties can refer to
4301 * them, and after migration_object_init(), so we can create
4302 * migration blockers.
4303 */
4304 configure_blockdev(&bdo_queue, machine_class, snapshot);
4305
4306 machine_opts = qemu_get_machine_opts();
4307 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4308 &error_fatal);
4309 current_machine->ram_size = ram_size;
4310 current_machine->maxram_size = maxram_size;
4311 current_machine->ram_slots = ram_slots;
4312
4313 configure_accelerator(current_machine, argv[0]);
4314
4315 if (!qtest_enabled() && machine_class->deprecation_reason) {
4316 error_report("Machine type '%s' is deprecated: %s",
4317 machine_class->name, machine_class->deprecation_reason);
4318 }
4319
4320 if (qtest_chrdev) {
4321 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4322 }
4323
4324 machine_opts = qemu_get_machine_opts();
4325 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4326 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4327 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4328 bios_name = qemu_opt_get(machine_opts, "firmware");
4329
4330 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4331 if (opts) {
4332 boot_order = qemu_opt_get(opts, "order");
4333 if (boot_order) {
4334 validate_bootdevices(boot_order, &error_fatal);
4335 }
4336
4337 boot_once = qemu_opt_get(opts, "once");
4338 if (boot_once) {
4339 validate_bootdevices(boot_once, &error_fatal);
4340 }
4341
4342 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4343 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4344 }
4345
4346 if (!boot_order) {
4347 boot_order = machine_class->default_boot_order;
4348 }
4349
4350 if (!kernel_cmdline) {
4351 kernel_cmdline = "";
4352 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4353 }
4354
4355 linux_boot = (kernel_filename != NULL);
4356
4357 if (!linux_boot && *kernel_cmdline != '\0') {
4358 error_report("-append only allowed with -kernel option");
4359 exit(1);
4360 }
4361
4362 if (!linux_boot && initrd_filename != NULL) {
4363 error_report("-initrd only allowed with -kernel option");
4364 exit(1);
4365 }
4366
4367 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4368 /* fall back to the -kernel/-append */
4369 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4370 }
4371
4372 os_set_line_buffering();
4373
4374 /* spice needs the timers to be initialized by this point */
4375 qemu_spice_init();
4376
4377 cpu_ticks_init();
4378 if (icount_opts) {
4379 if (!tcg_enabled()) {
4380 error_report("-icount is not allowed with hardware virtualization");
4381 exit(1);
4382 }
4383 configure_icount(icount_opts, &error_abort);
4384 qemu_opts_del(icount_opts);
4385 }
4386
4387 if (tcg_enabled()) {
4388 qemu_tcg_configure(accel_opts, &error_fatal);
4389 }
4390
4391 if (default_net) {
4392 QemuOptsList *net = qemu_find_opts("net");
4393 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4394 #ifdef CONFIG_SLIRP
4395 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4396 #endif
4397 }
4398
4399 if (net_init_clients(&err) < 0) {
4400 error_report_err(err);
4401 exit(1);
4402 }
4403
4404 qemu_opts_foreach(qemu_find_opts("object"),
4405 user_creatable_add_opts_foreach,
4406 object_create_delayed, &error_fatal);
4407
4408 tpm_init();
4409
4410 /* init the bluetooth world */
4411 if (foreach_device_config(DEV_BT, bt_parse))
4412 exit(1);
4413
4414 if (!xen_enabled()) {
4415 /* On 32-bit hosts, QEMU is limited by virtual address space */
4416 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4417 error_report("at most 2047 MB RAM can be simulated");
4418 exit(1);
4419 }
4420 }
4421
4422 blk_mig_init();
4423 ram_mig_init();
4424 dirty_bitmap_mig_init();
4425
4426 qemu_opts_foreach(qemu_find_opts("mon"),
4427 mon_init_func, NULL, &error_fatal);
4428
4429 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4430 exit(1);
4431 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4432 exit(1);
4433 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4434 exit(1);
4435
4436 /* If no default VGA is requested, the default is "none". */
4437 if (default_vga) {
4438 if (machine_class->default_display) {
4439 vga_model = machine_class->default_display;
4440 } else if (vga_interface_available(VGA_CIRRUS)) {
4441 vga_model = "cirrus";
4442 } else if (vga_interface_available(VGA_STD)) {
4443 vga_model = "std";
4444 }
4445 }
4446 if (vga_model) {
4447 select_vgahw(vga_model);
4448 }
4449
4450 if (watchdog) {
4451 i = select_watchdog(watchdog);
4452 if (i > 0)
4453 exit (i == 1 ? 1 : 0);
4454 }
4455
4456 /* This checkpoint is required by replay to separate prior clock
4457 reading from the other reads, because timer polling functions query
4458 clock values from the log. */
4459 replay_checkpoint(CHECKPOINT_INIT);
4460 qdev_machine_init();
4461
4462 current_machine->boot_order = boot_order;
4463
4464 /* parse features once if machine provides default cpu_type */
4465 current_machine->cpu_type = machine_class->default_cpu_type;
4466 if (cpu_model) {
4467 current_machine->cpu_type = parse_cpu_model(cpu_model);
4468 }
4469 parse_numa_opts(current_machine);
4470
4471 /* do monitor/qmp handling at preconfig state if requested */
4472 main_loop();
4473
4474 audio_init_audiodevs();
4475
4476 /* from here on runstate is RUN_STATE_PRELAUNCH */
4477 machine_run_board_init(current_machine);
4478
4479 realtime_init();
4480
4481 soundhw_init();
4482
4483 if (hax_enabled()) {
4484 hax_sync_vcpus();
4485 }
4486
4487 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4488 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4489
4490 /* init USB devices */
4491 if (machine_usb(current_machine)) {
4492 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4493 exit(1);
4494 }
4495
4496 /* Check if IGD GFX passthrough. */
4497 igd_gfx_passthru();
4498
4499 /* init generic devices */
4500 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4501 qemu_opts_foreach(qemu_find_opts("device"),
4502 device_init_func, NULL, &error_fatal);
4503
4504 cpu_synchronize_all_post_init();
4505
4506 rom_reset_order_override();
4507
4508 /* Did we create any drives that we failed to create a device for? */
4509 drive_check_orphaned();
4510
4511 /* Don't warn about the default network setup that you get if
4512 * no command line -net or -netdev options are specified. There
4513 * are two cases that we would otherwise complain about:
4514 * (1) board doesn't support a NIC but the implicit "-net nic"
4515 * requested one
4516 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4517 * sets up a nic that isn't connected to anything.
4518 */
4519 if (!default_net && (!qtest_enabled() || has_defaults)) {
4520 net_check_clients();
4521 }
4522
4523 if (boot_once) {
4524 qemu_boot_set(boot_once, &error_fatal);
4525 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4526 }
4527
4528 /* init local displays */
4529 ds = init_displaystate();
4530 qemu_display_init(ds, &dpy);
4531
4532 /* must be after terminal init, SDL library changes signal handlers */
4533 os_setup_signal_handling();
4534
4535 /* init remote displays */
4536 #ifdef CONFIG_VNC
4537 qemu_opts_foreach(qemu_find_opts("vnc"),
4538 vnc_init_func, NULL, &error_fatal);
4539 #endif
4540
4541 if (using_spice) {
4542 qemu_spice_display_init();
4543 }
4544
4545 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4546 exit(1);
4547 }
4548
4549 qdev_machine_creation_done();
4550
4551 /* TODO: once all bus devices are qdevified, this should be done
4552 * when bus is created by qdev.c */
4553 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4554 qemu_run_machine_init_done_notifiers();
4555
4556 if (rom_check_and_register_reset() != 0) {
4557 error_report("rom check and register reset failed");
4558 exit(1);
4559 }
4560
4561 replay_start();
4562
4563 /* This checkpoint is required by replay to separate prior clock
4564 reading from the other reads, because timer polling functions query
4565 clock values from the log. */
4566 replay_checkpoint(CHECKPOINT_RESET);
4567 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4568 register_global_state();
4569 if (loadvm) {
4570 Error *local_err = NULL;
4571 if (load_snapshot(loadvm, &local_err) < 0) {
4572 error_report_err(local_err);
4573 autostart = 0;
4574 exit(1);
4575 }
4576 }
4577 if (replay_mode != REPLAY_MODE_NONE) {
4578 replay_vmstate_init();
4579 }
4580
4581 qdev_prop_check_globals();
4582 if (vmstate_dump_file) {
4583 /* dump and exit */
4584 dump_vmstate_json_to_file(vmstate_dump_file);
4585 return 0;
4586 }
4587
4588 if (incoming) {
4589 Error *local_err = NULL;
4590 qemu_start_incoming_migration(incoming, &local_err);
4591 if (local_err) {
4592 error_reportf_err(local_err, "-incoming %s: ", incoming);
4593 exit(1);
4594 }
4595 } else if (autostart) {
4596 vm_start();
4597 }
4598
4599 accel_setup_post(current_machine);
4600 os_setup_post();
4601
4602 main_loop();
4603
4604 gdbserver_cleanup();
4605
4606 /*
4607 * cleaning up the migration object cancels any existing migration
4608 * try to do this early so that it also stops using devices.
4609 */
4610 migration_shutdown();
4611
4612 /* No more vcpu or device emulation activity beyond this point */
4613 vm_shutdown();
4614
4615 job_cancel_sync_all();
4616 bdrv_close_all();
4617
4618 res_free();
4619
4620 /* vhost-user must be cleaned up before chardevs. */
4621 tpm_cleanup();
4622 net_cleanup();
4623 audio_cleanup();
4624 monitor_cleanup();
4625 qemu_chr_cleanup();
4626 user_creatable_cleanup();
4627 /* TODO: unref root container, check all devices are ok */
4628
4629 return 0;
4630 }
AR7 emulation for QEMU