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sdcard: Use the ldst API
[qemu.git] / vl.c
blobef6cfcec40b23761b2f60a177114086fd0273d1a
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 "qapi/error.h"
27 #include "qemu-version.h"
28 #include "qemu/cutils.h"
29 #include "qemu/help_option.h"
30 #include "qemu/uuid.h"
31 #include "sysemu/seccomp.h"
32
33 #ifdef CONFIG_SDL
34 #if defined(__APPLE__) || defined(main)
35 #include <SDL.h>
36 int qemu_main(int argc, char **argv, char **envp);
37 int main(int argc, char **argv)
38 {
39 return qemu_main(argc, argv, NULL);
40 }
41 #undef main
42 #define main qemu_main
43 #endif
44 #endif /* CONFIG_SDL */
45
46 #ifdef CONFIG_COCOA
47 #undef main
48 #define main qemu_main
49 #endif /* CONFIG_COCOA */
50
51
52 #include "qemu/error-report.h"
53 #include "qemu/sockets.h"
54 #include "hw/hw.h"
55 #include "hw/boards.h"
56 #include "sysemu/accel.h"
57 #include "hw/usb.h"
58 #include "hw/isa/isa.h"
59 #include "hw/scsi/scsi.h"
60 #include "hw/display/vga.h"
61 #include "hw/bt.h"
62 #include "sysemu/watchdog.h"
63 #include "hw/smbios/smbios.h"
64 #include "hw/acpi/acpi.h"
65 #include "hw/xen/xen.h"
66 #include "hw/qdev.h"
67 #include "hw/loader.h"
68 #include "monitor/qdev.h"
69 #include "sysemu/bt.h"
70 #include "net/net.h"
71 #include "net/slirp.h"
72 #include "monitor/monitor.h"
73 #include "ui/console.h"
74 #include "ui/input.h"
75 #include "sysemu/sysemu.h"
76 #include "sysemu/numa.h"
77 #include "exec/gdbstub.h"
78 #include "qemu/timer.h"
79 #include "chardev/char.h"
80 #include "qemu/bitmap.h"
81 #include "qemu/log.h"
82 #include "sysemu/blockdev.h"
83 #include "hw/block/block.h"
84 #include "migration/misc.h"
85 #include "migration/snapshot.h"
86 #include "migration/global_state.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "hw/audio/soundhw.h"
90 #include "audio/audio.h"
91 #include "sysemu/cpus.h"
92 #include "migration/colo.h"
93 #include "migration/postcopy-ram.h"
94 #include "sysemu/kvm.h"
95 #include "sysemu/hax.h"
96 #include "qapi/qobject-input-visitor.h"
97 #include "qemu/option.h"
98 #include "qemu/config-file.h"
99 #include "qemu-options.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace-root.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/arch_init.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qapi/clone-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "exec/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qapi-events-run-state.h"
125 #include "qapi/qapi-visit-block-core.h"
126 #include "qapi/qapi-visit-ui.h"
127 #include "qapi/qapi-commands-block-core.h"
128 #include "qapi/qapi-commands-misc.h"
129 #include "qapi/qapi-commands-run-state.h"
130 #include "qapi/qmp/qerror.h"
131 #include "sysemu/iothread.h"
132
133 #define MAX_VIRTIO_CONSOLES 1
134
135 static const char *data_dir[16];
136 static int data_dir_idx;
137 const char *bios_name = NULL;
138 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
139 int display_opengl;
140 const char* keyboard_layout = NULL;
141 ram_addr_t ram_size;
142 const char *mem_path = NULL;
143 int mem_prealloc = 0; /* force preallocation of physical target memory */
144 bool enable_mlock = false;
145 bool enable_cpu_pm = false;
146 int nb_nics;
147 NICInfo nd_table[MAX_NICS];
148 int autostart;
149 static int rtc_utc = 1;
150 static int rtc_date_offset = -1; /* -1 means no change */
151 QEMUClockType rtc_clock;
152 int vga_interface_type = VGA_NONE;
153 static DisplayOptions dpy;
154 int no_frame;
155 static int num_serial_hds;
156 static Chardev **serial_hds;
157 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
158 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus;
162 unsigned int max_cpus;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 QemuUUID qemu_uuid;
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204 bool xen_domid_restrict;
205
206 static int has_defaults = 1;
207 static int default_serial = 1;
208 static int default_parallel = 1;
209 static int default_virtcon = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215 static int default_net = 1;
216
217 static struct {
218 const char *driver;
219 int *flag;
220 } default_list[] = {
221 { .driver = "isa-serial", .flag = &default_serial },
222 { .driver = "isa-parallel", .flag = &default_parallel },
223 { .driver = "isa-fdc", .flag = &default_floppy },
224 { .driver = "floppy", .flag = &default_floppy },
225 { .driver = "ide-cd", .flag = &default_cdrom },
226 { .driver = "ide-hd", .flag = &default_cdrom },
227 { .driver = "ide-drive", .flag = &default_cdrom },
228 { .driver = "scsi-cd", .flag = &default_cdrom },
229 { .driver = "scsi-hd", .flag = &default_cdrom },
230 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
231 { .driver = "virtio-serial", .flag = &default_virtcon },
232 { .driver = "VGA", .flag = &default_vga },
233 { .driver = "isa-vga", .flag = &default_vga },
234 { .driver = "cirrus-vga", .flag = &default_vga },
235 { .driver = "isa-cirrus-vga", .flag = &default_vga },
236 { .driver = "vmware-svga", .flag = &default_vga },
237 { .driver = "qxl-vga", .flag = &default_vga },
238 { .driver = "virtio-vga", .flag = &default_vga },
239 };
240
241 static QemuOptsList qemu_rtc_opts = {
242 .name = "rtc",
243 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
244 .desc = {
245 {
246 .name = "base",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "clock",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "driftfix",
253 .type = QEMU_OPT_STRING,
254 },
255 { /* end of list */ }
256 },
257 };
258
259 static QemuOptsList qemu_option_rom_opts = {
260 .name = "option-rom",
261 .implied_opt_name = "romfile",
262 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
263 .desc = {
264 {
265 .name = "bootindex",
266 .type = QEMU_OPT_NUMBER,
267 }, {
268 .name = "romfile",
269 .type = QEMU_OPT_STRING,
270 },
271 { /* end of list */ }
272 },
273 };
274
275 static QemuOptsList qemu_machine_opts = {
276 .name = "machine",
277 .implied_opt_name = "type",
278 .merge_lists = true,
279 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
280 .desc = {
281 /*
282 * no elements => accept any
283 * sanity checking will happen later
284 * when setting machine properties
285 */
286 { }
287 },
288 };
289
290 static QemuOptsList qemu_accel_opts = {
291 .name = "accel",
292 .implied_opt_name = "accel",
293 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
294 .merge_lists = true,
295 .desc = {
296 {
297 .name = "accel",
298 .type = QEMU_OPT_STRING,
299 .help = "Select the type of accelerator",
300 },
301 {
302 .name = "thread",
303 .type = QEMU_OPT_STRING,
304 .help = "Enable/disable multi-threaded TCG",
305 },
306 { /* end of list */ }
307 },
308 };
309
310 static QemuOptsList qemu_boot_opts = {
311 .name = "boot-opts",
312 .implied_opt_name = "order",
313 .merge_lists = true,
314 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
315 .desc = {
316 {
317 .name = "order",
318 .type = QEMU_OPT_STRING,
319 }, {
320 .name = "once",
321 .type = QEMU_OPT_STRING,
322 }, {
323 .name = "menu",
324 .type = QEMU_OPT_BOOL,
325 }, {
326 .name = "splash",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "splash-time",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "reboot-timeout",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "strict",
336 .type = QEMU_OPT_BOOL,
337 },
338 { /*End of list */ }
339 },
340 };
341
342 static QemuOptsList qemu_add_fd_opts = {
343 .name = "add-fd",
344 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
345 .desc = {
346 {
347 .name = "fd",
348 .type = QEMU_OPT_NUMBER,
349 .help = "file descriptor of which a duplicate is added to fd set",
350 },{
351 .name = "set",
352 .type = QEMU_OPT_NUMBER,
353 .help = "ID of the fd set to add fd to",
354 },{
355 .name = "opaque",
356 .type = QEMU_OPT_STRING,
357 .help = "free-form string used to describe fd",
358 },
359 { /* end of list */ }
360 },
361 };
362
363 static QemuOptsList qemu_object_opts = {
364 .name = "object",
365 .implied_opt_name = "qom-type",
366 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
367 .desc = {
368 { }
369 },
370 };
371
372 static QemuOptsList qemu_tpmdev_opts = {
373 .name = "tpmdev",
374 .implied_opt_name = "type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
376 .desc = {
377 /* options are defined in the TPM backends */
378 { /* end of list */ }
379 },
380 };
381
382 static QemuOptsList qemu_realtime_opts = {
383 .name = "realtime",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
385 .desc = {
386 {
387 .name = "mlock",
388 .type = QEMU_OPT_BOOL,
389 },
390 { /* end of list */ }
391 },
392 };
393
394 static QemuOptsList qemu_overcommit_opts = {
395 .name = "overcommit",
396 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
397 .desc = {
398 {
399 .name = "mem-lock",
400 .type = QEMU_OPT_BOOL,
401 },
402 {
403 .name = "cpu-pm",
404 .type = QEMU_OPT_BOOL,
405 },
406 { /* end of list */ }
407 },
408 };
409
410 static QemuOptsList qemu_msg_opts = {
411 .name = "msg",
412 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
413 .desc = {
414 {
415 .name = "timestamp",
416 .type = QEMU_OPT_BOOL,
417 },
418 { /* end of list */ }
419 },
420 };
421
422 static QemuOptsList qemu_name_opts = {
423 .name = "name",
424 .implied_opt_name = "guest",
425 .merge_lists = true,
426 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
427 .desc = {
428 {
429 .name = "guest",
430 .type = QEMU_OPT_STRING,
431 .help = "Sets the name of the guest.\n"
432 "This name will be displayed in the SDL window caption.\n"
433 "The name will also be used for the VNC server",
434 }, {
435 .name = "process",
436 .type = QEMU_OPT_STRING,
437 .help = "Sets the name of the QEMU process, as shown in top etc",
438 }, {
439 .name = "debug-threads",
440 .type = QEMU_OPT_BOOL,
441 .help = "When enabled, name the individual threads; defaults off.\n"
442 "NOTE: The thread names are for debugging and not a\n"
443 "stable API.",
444 },
445 { /* End of list */ }
446 },
447 };
448
449 static QemuOptsList qemu_mem_opts = {
450 .name = "memory",
451 .implied_opt_name = "size",
452 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
453 .merge_lists = true,
454 .desc = {
455 {
456 .name = "size",
457 .type = QEMU_OPT_SIZE,
458 },
459 {
460 .name = "slots",
461 .type = QEMU_OPT_NUMBER,
462 },
463 {
464 .name = "maxmem",
465 .type = QEMU_OPT_SIZE,
466 },
467 { /* end of list */ }
468 },
469 };
470
471 static QemuOptsList qemu_icount_opts = {
472 .name = "icount",
473 .implied_opt_name = "shift",
474 .merge_lists = true,
475 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
476 .desc = {
477 {
478 .name = "shift",
479 .type = QEMU_OPT_STRING,
480 }, {
481 .name = "align",
482 .type = QEMU_OPT_BOOL,
483 }, {
484 .name = "sleep",
485 .type = QEMU_OPT_BOOL,
486 }, {
487 .name = "rr",
488 .type = QEMU_OPT_STRING,
489 }, {
490 .name = "rrfile",
491 .type = QEMU_OPT_STRING,
492 }, {
493 .name = "rrsnapshot",
494 .type = QEMU_OPT_STRING,
495 },
496 { /* end of list */ }
497 },
498 };
499
500 static QemuOptsList qemu_semihosting_config_opts = {
501 .name = "semihosting-config",
502 .implied_opt_name = "enable",
503 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
504 .desc = {
505 {
506 .name = "enable",
507 .type = QEMU_OPT_BOOL,
508 }, {
509 .name = "target",
510 .type = QEMU_OPT_STRING,
511 }, {
512 .name = "arg",
513 .type = QEMU_OPT_STRING,
514 },
515 { /* end of list */ }
516 },
517 };
518
519 static QemuOptsList qemu_fw_cfg_opts = {
520 .name = "fw_cfg",
521 .implied_opt_name = "name",
522 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
523 .desc = {
524 {
525 .name = "name",
526 .type = QEMU_OPT_STRING,
527 .help = "Sets the fw_cfg name of the blob to be inserted",
528 }, {
529 .name = "file",
530 .type = QEMU_OPT_STRING,
531 .help = "Sets the name of the file from which\n"
532 "the fw_cfg blob will be loaded",
533 }, {
534 .name = "string",
535 .type = QEMU_OPT_STRING,
536 .help = "Sets content of the blob to be inserted from a string",
537 },
538 { /* end of list */ }
539 },
540 };
541
542 /**
543 * Get machine options
544 *
545 * Returns: machine options (never null).
546 */
547 QemuOpts *qemu_get_machine_opts(void)
548 {
549 return qemu_find_opts_singleton("machine");
550 }
551
552 const char *qemu_get_vm_name(void)
553 {
554 return qemu_name;
555 }
556
557 static void res_free(void)
558 {
559 g_free(boot_splash_filedata);
560 boot_splash_filedata = NULL;
561 }
562
563 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
564 {
565 const char *driver = qemu_opt_get(opts, "driver");
566 int i;
567
568 if (!driver)
569 return 0;
570 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
571 if (strcmp(default_list[i].driver, driver) != 0)
572 continue;
573 *(default_list[i].flag) = 0;
574 }
575 return 0;
576 }
577
578 /***********************************************************/
579 /* QEMU state */
580
581 static RunState current_run_state = RUN_STATE_PRECONFIG;
582
583 /* We use RUN_STATE__MAX but any invalid value will do */
584 static RunState vmstop_requested = RUN_STATE__MAX;
585 static QemuMutex vmstop_lock;
586
587 typedef struct {
588 RunState from;
589 RunState to;
590 } RunStateTransition;
591
592 static const RunStateTransition runstate_transitions_def[] = {
593 /* from -> to */
594 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
595 /* Early switch to inmigrate state to allow -incoming CLI option work
596 * as it used to. TODO: delay actual switching to inmigrate state to
597 * the point after machine is built and remove this hack.
598 */
599 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
600
601 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
602 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
606 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
608 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
611 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
612 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
613 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
615 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
616 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
617
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
623 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
625
626 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
627 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
629 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
630 { RUN_STATE_PAUSED, RUN_STATE_COLO},
631
632 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
635
636 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
637 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
639
640 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
644 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
645
646 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
647 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
648
649 { RUN_STATE_COLO, RUN_STATE_RUNNING },
650
651 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
652 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
653 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
654 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
655 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
656 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
657 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
658 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
659 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
660 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
661 { RUN_STATE_RUNNING, RUN_STATE_COLO},
662
663 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
664
665 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
666 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
668
669 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
670 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
671 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
672 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
673 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
674 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
675
676 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
677 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
678 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
679 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
680
681 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
682 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
683 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
684
685 { RUN_STATE__MAX, RUN_STATE__MAX },
686 };
687
688 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
689
690 bool runstate_check(RunState state)
691 {
692 return current_run_state == state;
693 }
694
695 bool runstate_store(char *str, size_t size)
696 {
697 const char *state = RunState_str(current_run_state);
698 size_t len = strlen(state) + 1;
699
700 if (len > size) {
701 return false;
702 }
703 memcpy(str, state, len);
704 return true;
705 }
706
707 static void runstate_init(void)
708 {
709 const RunStateTransition *p;
710
711 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
712 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
713 runstate_valid_transitions[p->from][p->to] = true;
714 }
715
716 qemu_mutex_init(&vmstop_lock);
717 }
718
719 /* This function will abort() on invalid state transitions */
720 void runstate_set(RunState new_state)
721 {
722 assert(new_state < RUN_STATE__MAX);
723
724 if (current_run_state == new_state) {
725 return;
726 }
727
728 if (!runstate_valid_transitions[current_run_state][new_state]) {
729 error_report("invalid runstate transition: '%s' -> '%s'",
730 RunState_str(current_run_state),
731 RunState_str(new_state));
732 abort();
733 }
734 trace_runstate_set(new_state);
735 current_run_state = new_state;
736 }
737
738 int runstate_is_running(void)
739 {
740 return runstate_check(RUN_STATE_RUNNING);
741 }
742
743 bool runstate_needs_reset(void)
744 {
745 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
746 runstate_check(RUN_STATE_SHUTDOWN);
747 }
748
749 StatusInfo *qmp_query_status(Error **errp)
750 {
751 StatusInfo *info = g_malloc0(sizeof(*info));
752
753 info->running = runstate_is_running();
754 info->singlestep = singlestep;
755 info->status = current_run_state;
756
757 return info;
758 }
759
760 bool qemu_vmstop_requested(RunState *r)
761 {
762 qemu_mutex_lock(&vmstop_lock);
763 *r = vmstop_requested;
764 vmstop_requested = RUN_STATE__MAX;
765 qemu_mutex_unlock(&vmstop_lock);
766 return *r < RUN_STATE__MAX;
767 }
768
769 void qemu_system_vmstop_request_prepare(void)
770 {
771 qemu_mutex_lock(&vmstop_lock);
772 }
773
774 void qemu_system_vmstop_request(RunState state)
775 {
776 vmstop_requested = state;
777 qemu_mutex_unlock(&vmstop_lock);
778 qemu_notify_event();
779 }
780
781 /***********************************************************/
782 /* real time host monotonic timer */
783
784 static time_t qemu_time(void)
785 {
786 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
787 }
788
789 /***********************************************************/
790 /* host time/date access */
791 void qemu_get_timedate(struct tm *tm, int offset)
792 {
793 time_t ti = qemu_time();
794
795 ti += offset;
796 if (rtc_date_offset == -1) {
797 if (rtc_utc)
798 gmtime_r(&ti, tm);
799 else
800 localtime_r(&ti, tm);
801 } else {
802 ti -= rtc_date_offset;
803 gmtime_r(&ti, tm);
804 }
805 }
806
807 int qemu_timedate_diff(struct tm *tm)
808 {
809 time_t seconds;
810
811 if (rtc_date_offset == -1)
812 if (rtc_utc)
813 seconds = mktimegm(tm);
814 else {
815 struct tm tmp = *tm;
816 tmp.tm_isdst = -1; /* use timezone to figure it out */
817 seconds = mktime(&tmp);
818 }
819 else
820 seconds = mktimegm(tm) + rtc_date_offset;
821
822 return seconds - qemu_time();
823 }
824
825 static void configure_rtc_date_offset(const char *startdate, int legacy)
826 {
827 time_t rtc_start_date;
828 struct tm tm;
829
830 if (!strcmp(startdate, "now") && legacy) {
831 rtc_date_offset = -1;
832 } else {
833 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
834 &tm.tm_year,
835 &tm.tm_mon,
836 &tm.tm_mday,
837 &tm.tm_hour,
838 &tm.tm_min,
839 &tm.tm_sec) == 6) {
840 /* OK */
841 } else if (sscanf(startdate, "%d-%d-%d",
842 &tm.tm_year,
843 &tm.tm_mon,
844 &tm.tm_mday) == 3) {
845 tm.tm_hour = 0;
846 tm.tm_min = 0;
847 tm.tm_sec = 0;
848 } else {
849 goto date_fail;
850 }
851 tm.tm_year -= 1900;
852 tm.tm_mon--;
853 rtc_start_date = mktimegm(&tm);
854 if (rtc_start_date == -1) {
855 date_fail:
856 error_report("invalid date format");
857 error_printf("valid formats: "
858 "'2006-06-17T16:01:21' or '2006-06-17'\n");
859 exit(1);
860 }
861 rtc_date_offset = qemu_time() - rtc_start_date;
862 }
863 }
864
865 static void configure_rtc(QemuOpts *opts)
866 {
867 const char *value;
868
869 value = qemu_opt_get(opts, "base");
870 if (value) {
871 if (!strcmp(value, "utc")) {
872 rtc_utc = 1;
873 } else if (!strcmp(value, "localtime")) {
874 Error *blocker = NULL;
875 rtc_utc = 0;
876 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
877 "-rtc base=localtime");
878 replay_add_blocker(blocker);
879 } else {
880 configure_rtc_date_offset(value, 0);
881 }
882 }
883 value = qemu_opt_get(opts, "clock");
884 if (value) {
885 if (!strcmp(value, "host")) {
886 rtc_clock = QEMU_CLOCK_HOST;
887 } else if (!strcmp(value, "rt")) {
888 rtc_clock = QEMU_CLOCK_REALTIME;
889 } else if (!strcmp(value, "vm")) {
890 rtc_clock = QEMU_CLOCK_VIRTUAL;
891 } else {
892 error_report("invalid option value '%s'", value);
893 exit(1);
894 }
895 }
896 value = qemu_opt_get(opts, "driftfix");
897 if (value) {
898 if (!strcmp(value, "slew")) {
899 static GlobalProperty slew_lost_ticks = {
900 .driver = "mc146818rtc",
901 .property = "lost_tick_policy",
902 .value = "slew",
903 };
904
905 qdev_prop_register_global(&slew_lost_ticks);
906 } else if (!strcmp(value, "none")) {
907 /* discard is default */
908 } else {
909 error_report("invalid option value '%s'", value);
910 exit(1);
911 }
912 }
913 }
914
915 /***********************************************************/
916 /* Bluetooth support */
917 static int nb_hcis;
918 static int cur_hci;
919 static struct HCIInfo *hci_table[MAX_NICS];
920
921 struct HCIInfo *qemu_next_hci(void)
922 {
923 if (cur_hci == nb_hcis)
924 return &null_hci;
925
926 return hci_table[cur_hci++];
927 }
928
929 static int bt_hci_parse(const char *str)
930 {
931 struct HCIInfo *hci;
932 bdaddr_t bdaddr;
933
934 if (nb_hcis >= MAX_NICS) {
935 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
936 return -1;
937 }
938
939 hci = hci_init(str);
940 if (!hci)
941 return -1;
942
943 bdaddr.b[0] = 0x52;
944 bdaddr.b[1] = 0x54;
945 bdaddr.b[2] = 0x00;
946 bdaddr.b[3] = 0x12;
947 bdaddr.b[4] = 0x34;
948 bdaddr.b[5] = 0x56 + nb_hcis;
949 hci->bdaddr_set(hci, bdaddr.b);
950
951 hci_table[nb_hcis++] = hci;
952
953 return 0;
954 }
955
956 static void bt_vhci_add(int vlan_id)
957 {
958 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
959
960 if (!vlan->slave)
961 warn_report("adding a VHCI to an empty scatternet %i",
962 vlan_id);
963
964 bt_vhci_init(bt_new_hci(vlan));
965 }
966
967 static struct bt_device_s *bt_device_add(const char *opt)
968 {
969 struct bt_scatternet_s *vlan;
970 int vlan_id = 0;
971 char *endp = strstr(opt, ",vlan=");
972 int len = (endp ? endp - opt : strlen(opt)) + 1;
973 char devname[10];
974
975 pstrcpy(devname, MIN(sizeof(devname), len), opt);
976
977 if (endp) {
978 vlan_id = strtol(endp + 6, &endp, 0);
979 if (*endp) {
980 error_report("unrecognised bluetooth vlan Id");
981 return 0;
982 }
983 }
984
985 vlan = qemu_find_bt_vlan(vlan_id);
986
987 if (!vlan->slave)
988 warn_report("adding a slave device to an empty scatternet %i",
989 vlan_id);
990
991 if (!strcmp(devname, "keyboard"))
992 return bt_keyboard_init(vlan);
993
994 error_report("unsupported bluetooth device '%s'", devname);
995 return 0;
996 }
997
998 static int bt_parse(const char *opt)
999 {
1000 const char *endp, *p;
1001 int vlan;
1002
1003 if (strstart(opt, "hci", &endp)) {
1004 if (!*endp || *endp == ',') {
1005 if (*endp)
1006 if (!strstart(endp, ",vlan=", 0))
1007 opt = endp + 1;
1008
1009 return bt_hci_parse(opt);
1010 }
1011 } else if (strstart(opt, "vhci", &endp)) {
1012 if (!*endp || *endp == ',') {
1013 if (*endp) {
1014 if (strstart(endp, ",vlan=", &p)) {
1015 vlan = strtol(p, (char **) &endp, 0);
1016 if (*endp) {
1017 error_report("bad scatternet '%s'", p);
1018 return 1;
1019 }
1020 } else {
1021 error_report("bad parameter '%s'", endp + 1);
1022 return 1;
1023 }
1024 } else
1025 vlan = 0;
1026
1027 bt_vhci_add(vlan);
1028 return 0;
1029 }
1030 } else if (strstart(opt, "device:", &endp))
1031 return !bt_device_add(endp);
1032
1033 error_report("bad bluetooth parameter '%s'", opt);
1034 return 1;
1035 }
1036
1037 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1038 {
1039 const char *proc_name;
1040
1041 if (qemu_opt_get(opts, "debug-threads")) {
1042 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1043 }
1044 qemu_name = qemu_opt_get(opts, "guest");
1045
1046 proc_name = qemu_opt_get(opts, "process");
1047 if (proc_name) {
1048 os_set_proc_name(proc_name);
1049 }
1050
1051 return 0;
1052 }
1053
1054 bool defaults_enabled(void)
1055 {
1056 return has_defaults;
1057 }
1058
1059 #ifndef _WIN32
1060 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1061 {
1062 int fd, dupfd, flags;
1063 int64_t fdset_id;
1064 const char *fd_opaque = NULL;
1065 AddfdInfo *fdinfo;
1066
1067 fd = qemu_opt_get_number(opts, "fd", -1);
1068 fdset_id = qemu_opt_get_number(opts, "set", -1);
1069 fd_opaque = qemu_opt_get(opts, "opaque");
1070
1071 if (fd < 0) {
1072 error_report("fd option is required and must be non-negative");
1073 return -1;
1074 }
1075
1076 if (fd <= STDERR_FILENO) {
1077 error_report("fd cannot be a standard I/O stream");
1078 return -1;
1079 }
1080
1081 /*
1082 * All fds inherited across exec() necessarily have FD_CLOEXEC
1083 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1084 */
1085 flags = fcntl(fd, F_GETFD);
1086 if (flags == -1 || (flags & FD_CLOEXEC)) {
1087 error_report("fd is not valid or already in use");
1088 return -1;
1089 }
1090
1091 if (fdset_id < 0) {
1092 error_report("set option is required and must be non-negative");
1093 return -1;
1094 }
1095
1096 #ifdef F_DUPFD_CLOEXEC
1097 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1098 #else
1099 dupfd = dup(fd);
1100 if (dupfd != -1) {
1101 qemu_set_cloexec(dupfd);
1102 }
1103 #endif
1104 if (dupfd == -1) {
1105 error_report("error duplicating fd: %s", strerror(errno));
1106 return -1;
1107 }
1108
1109 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1110 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1111 &error_abort);
1112 g_free(fdinfo);
1113
1114 return 0;
1115 }
1116
1117 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1118 {
1119 int fd;
1120
1121 fd = qemu_opt_get_number(opts, "fd", -1);
1122 close(fd);
1123
1124 return 0;
1125 }
1126 #endif
1127
1128 /***********************************************************/
1129 /* QEMU Block devices */
1130
1131 #define HD_OPTS "media=disk"
1132 #define CDROM_OPTS "media=cdrom"
1133 #define FD_OPTS ""
1134 #define PFLASH_OPTS ""
1135 #define MTD_OPTS ""
1136 #define SD_OPTS ""
1137
1138 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 BlockInterfaceType *block_default_type = opaque;
1141
1142 return drive_new(opts, *block_default_type) == NULL;
1143 }
1144
1145 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1146 {
1147 if (qemu_opt_get(opts, "snapshot") == NULL) {
1148 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1149 }
1150 return 0;
1151 }
1152
1153 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1154 int index, const char *optstr)
1155 {
1156 QemuOpts *opts;
1157 DriveInfo *dinfo;
1158
1159 if (!enable || drive_get_by_index(type, index)) {
1160 return;
1161 }
1162
1163 opts = drive_add(type, index, NULL, optstr);
1164 if (snapshot) {
1165 drive_enable_snapshot(NULL, opts, NULL);
1166 }
1167
1168 dinfo = drive_new(opts, type);
1169 if (!dinfo) {
1170 exit(1);
1171 }
1172 dinfo->is_default = true;
1173
1174 }
1175
1176 static QemuOptsList qemu_smp_opts = {
1177 .name = "smp-opts",
1178 .implied_opt_name = "cpus",
1179 .merge_lists = true,
1180 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1181 .desc = {
1182 {
1183 .name = "cpus",
1184 .type = QEMU_OPT_NUMBER,
1185 }, {
1186 .name = "sockets",
1187 .type = QEMU_OPT_NUMBER,
1188 }, {
1189 .name = "cores",
1190 .type = QEMU_OPT_NUMBER,
1191 }, {
1192 .name = "threads",
1193 .type = QEMU_OPT_NUMBER,
1194 }, {
1195 .name = "maxcpus",
1196 .type = QEMU_OPT_NUMBER,
1197 },
1198 { /*End of list */ }
1199 },
1200 };
1201
1202 static void smp_parse(QemuOpts *opts)
1203 {
1204 if (opts) {
1205 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1206 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1207 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1208 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1209
1210 /* compute missing values, prefer sockets over cores over threads */
1211 if (cpus == 0 || sockets == 0) {
1212 sockets = sockets > 0 ? sockets : 1;
1213 cores = cores > 0 ? cores : 1;
1214 threads = threads > 0 ? threads : 1;
1215 if (cpus == 0) {
1216 cpus = cores * threads * sockets;
1217 }
1218 } else if (cores == 0) {
1219 threads = threads > 0 ? threads : 1;
1220 cores = cpus / (sockets * threads);
1221 cores = cores > 0 ? cores : 1;
1222 } else if (threads == 0) {
1223 threads = cpus / (cores * sockets);
1224 threads = threads > 0 ? threads : 1;
1225 } else if (sockets * cores * threads < cpus) {
1226 error_report("cpu topology: "
1227 "sockets (%u) * cores (%u) * threads (%u) < "
1228 "smp_cpus (%u)",
1229 sockets, cores, threads, cpus);
1230 exit(1);
1231 }
1232
1233 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1234
1235 if (max_cpus < cpus) {
1236 error_report("maxcpus must be equal to or greater than smp");
1237 exit(1);
1238 }
1239
1240 if (sockets * cores * threads > max_cpus) {
1241 error_report("cpu topology: "
1242 "sockets (%u) * cores (%u) * threads (%u) > "
1243 "maxcpus (%u)",
1244 sockets, cores, threads, max_cpus);
1245 exit(1);
1246 }
1247
1248 smp_cpus = cpus;
1249 smp_cores = cores;
1250 smp_threads = threads;
1251 }
1252
1253 if (smp_cpus > 1) {
1254 Error *blocker = NULL;
1255 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1256 replay_add_blocker(blocker);
1257 }
1258 }
1259
1260 static void realtime_init(void)
1261 {
1262 if (enable_mlock) {
1263 if (os_mlock() < 0) {
1264 error_report("locking memory failed");
1265 exit(1);
1266 }
1267 }
1268 }
1269
1270
1271 static void configure_msg(QemuOpts *opts)
1272 {
1273 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1274 }
1275
1276 /***********************************************************/
1277 /* Semihosting */
1278
1279 typedef struct SemihostingConfig {
1280 bool enabled;
1281 SemihostingTarget target;
1282 const char **argv;
1283 int argc;
1284 const char *cmdline; /* concatenated argv */
1285 } SemihostingConfig;
1286
1287 static SemihostingConfig semihosting;
1288
1289 bool semihosting_enabled(void)
1290 {
1291 return semihosting.enabled;
1292 }
1293
1294 SemihostingTarget semihosting_get_target(void)
1295 {
1296 return semihosting.target;
1297 }
1298
1299 const char *semihosting_get_arg(int i)
1300 {
1301 if (i >= semihosting.argc) {
1302 return NULL;
1303 }
1304 return semihosting.argv[i];
1305 }
1306
1307 int semihosting_get_argc(void)
1308 {
1309 return semihosting.argc;
1310 }
1311
1312 const char *semihosting_get_cmdline(void)
1313 {
1314 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1315 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1316 }
1317 return semihosting.cmdline;
1318 }
1319
1320 static int add_semihosting_arg(void *opaque,
1321 const char *name, const char *val,
1322 Error **errp)
1323 {
1324 SemihostingConfig *s = opaque;
1325 if (strcmp(name, "arg") == 0) {
1326 s->argc++;
1327 /* one extra element as g_strjoinv() expects NULL-terminated array */
1328 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1329 s->argv[s->argc - 1] = val;
1330 s->argv[s->argc] = NULL;
1331 }
1332 return 0;
1333 }
1334
1335 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1336 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1337 {
1338 char *cmd_token;
1339
1340 /* argv[0] */
1341 add_semihosting_arg(&semihosting, "arg", file, NULL);
1342
1343 /* split -append and initialize argv[1..n] */
1344 cmd_token = strtok(g_strdup(cmd), " ");
1345 while (cmd_token) {
1346 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1347 cmd_token = strtok(NULL, " ");
1348 }
1349 }
1350
1351 /* Now we still need this for compatibility with XEN. */
1352 bool has_igd_gfx_passthru;
1353 static void igd_gfx_passthru(void)
1354 {
1355 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1356 }
1357
1358 /***********************************************************/
1359 /* USB devices */
1360
1361 static int usb_device_add(const char *devname)
1362 {
1363 USBDevice *dev = NULL;
1364
1365 if (!machine_usb(current_machine)) {
1366 return -1;
1367 }
1368
1369 dev = usbdevice_create(devname);
1370 if (!dev)
1371 return -1;
1372
1373 return 0;
1374 }
1375
1376 static int usb_parse(const char *cmdline)
1377 {
1378 int r;
1379 r = usb_device_add(cmdline);
1380 if (r < 0) {
1381 error_report("could not add USB device '%s'", cmdline);
1382 }
1383 return r;
1384 }
1385
1386 /***********************************************************/
1387 /* machine registration */
1388
1389 MachineState *current_machine;
1390
1391 static MachineClass *find_machine(const char *name)
1392 {
1393 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1394 MachineClass *mc = NULL;
1395
1396 for (el = machines; el; el = el->next) {
1397 MachineClass *temp = el->data;
1398
1399 if (!strcmp(temp->name, name)) {
1400 mc = temp;
1401 break;
1402 }
1403 if (temp->alias &&
1404 !strcmp(temp->alias, name)) {
1405 mc = temp;
1406 break;
1407 }
1408 }
1409
1410 g_slist_free(machines);
1411 return mc;
1412 }
1413
1414 MachineClass *find_default_machine(void)
1415 {
1416 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1417 MachineClass *mc = NULL;
1418
1419 for (el = machines; el; el = el->next) {
1420 MachineClass *temp = el->data;
1421
1422 if (temp->is_default) {
1423 mc = temp;
1424 break;
1425 }
1426 }
1427
1428 g_slist_free(machines);
1429 return mc;
1430 }
1431
1432 MachineInfoList *qmp_query_machines(Error **errp)
1433 {
1434 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1435 MachineInfoList *mach_list = NULL;
1436
1437 for (el = machines; el; el = el->next) {
1438 MachineClass *mc = el->data;
1439 MachineInfoList *entry;
1440 MachineInfo *info;
1441
1442 info = g_malloc0(sizeof(*info));
1443 if (mc->is_default) {
1444 info->has_is_default = true;
1445 info->is_default = true;
1446 }
1447
1448 if (mc->alias) {
1449 info->has_alias = true;
1450 info->alias = g_strdup(mc->alias);
1451 }
1452
1453 info->name = g_strdup(mc->name);
1454 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1455 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1456
1457 entry = g_malloc0(sizeof(*entry));
1458 entry->value = info;
1459 entry->next = mach_list;
1460 mach_list = entry;
1461 }
1462
1463 g_slist_free(machines);
1464 return mach_list;
1465 }
1466
1467 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1468 {
1469 ObjectProperty *prop;
1470 ObjectPropertyIterator iter;
1471
1472 if (!qemu_opt_has_help_opt(opts)) {
1473 return 0;
1474 }
1475
1476 object_property_iter_init(&iter, OBJECT(machine));
1477 while ((prop = object_property_iter_next(&iter))) {
1478 if (!prop->set) {
1479 continue;
1480 }
1481
1482 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1483 prop->name, prop->type);
1484 if (prop->description) {
1485 error_printf(" (%s)\n", prop->description);
1486 } else {
1487 error_printf("\n");
1488 }
1489 }
1490
1491 return 1;
1492 }
1493
1494 /***********************************************************/
1495 /* main execution loop */
1496
1497 struct vm_change_state_entry {
1498 VMChangeStateHandler *cb;
1499 void *opaque;
1500 QLIST_ENTRY (vm_change_state_entry) entries;
1501 };
1502
1503 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1504
1505 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1506 void *opaque)
1507 {
1508 VMChangeStateEntry *e;
1509
1510 e = g_malloc0(sizeof (*e));
1511
1512 e->cb = cb;
1513 e->opaque = opaque;
1514 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1515 return e;
1516 }
1517
1518 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1519 {
1520 QLIST_REMOVE (e, entries);
1521 g_free (e);
1522 }
1523
1524 void vm_state_notify(int running, RunState state)
1525 {
1526 VMChangeStateEntry *e, *next;
1527
1528 trace_vm_state_notify(running, state);
1529
1530 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1531 e->cb(e->opaque, running, state);
1532 }
1533 }
1534
1535 static ShutdownCause reset_requested;
1536 static ShutdownCause shutdown_requested;
1537 static int shutdown_signal;
1538 static pid_t shutdown_pid;
1539 static int powerdown_requested;
1540 static int debug_requested;
1541 static int suspend_requested;
1542 static bool preconfig_exit_requested = true;
1543 static WakeupReason wakeup_reason;
1544 static NotifierList powerdown_notifiers =
1545 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1546 static NotifierList suspend_notifiers =
1547 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1548 static NotifierList wakeup_notifiers =
1549 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1550 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1551
1552 ShutdownCause qemu_shutdown_requested_get(void)
1553 {
1554 return shutdown_requested;
1555 }
1556
1557 ShutdownCause qemu_reset_requested_get(void)
1558 {
1559 return reset_requested;
1560 }
1561
1562 static int qemu_shutdown_requested(void)
1563 {
1564 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1565 }
1566
1567 static void qemu_kill_report(void)
1568 {
1569 if (!qtest_driver() && shutdown_signal) {
1570 if (shutdown_pid == 0) {
1571 /* This happens for eg ^C at the terminal, so it's worth
1572 * avoiding printing an odd message in that case.
1573 */
1574 error_report("terminating on signal %d", shutdown_signal);
1575 } else {
1576 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1577
1578 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1579 shutdown_signal, shutdown_pid,
1580 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1581 g_free(shutdown_cmd);
1582 }
1583 shutdown_signal = 0;
1584 }
1585 }
1586
1587 static ShutdownCause qemu_reset_requested(void)
1588 {
1589 ShutdownCause r = reset_requested;
1590
1591 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1592 reset_requested = SHUTDOWN_CAUSE_NONE;
1593 return r;
1594 }
1595 return SHUTDOWN_CAUSE_NONE;
1596 }
1597
1598 static int qemu_suspend_requested(void)
1599 {
1600 int r = suspend_requested;
1601 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1602 suspend_requested = 0;
1603 return r;
1604 }
1605 return false;
1606 }
1607
1608 static WakeupReason qemu_wakeup_requested(void)
1609 {
1610 return wakeup_reason;
1611 }
1612
1613 static int qemu_powerdown_requested(void)
1614 {
1615 int r = powerdown_requested;
1616 powerdown_requested = 0;
1617 return r;
1618 }
1619
1620 static int qemu_debug_requested(void)
1621 {
1622 int r = debug_requested;
1623 debug_requested = 0;
1624 return r;
1625 }
1626
1627 void qemu_exit_preconfig_request(void)
1628 {
1629 preconfig_exit_requested = true;
1630 }
1631
1632 /*
1633 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1634 */
1635 void qemu_system_reset(ShutdownCause reason)
1636 {
1637 MachineClass *mc;
1638
1639 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1640
1641 cpu_synchronize_all_states();
1642
1643 if (mc && mc->reset) {
1644 mc->reset();
1645 } else {
1646 qemu_devices_reset();
1647 }
1648 if (reason) {
1649 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1650 &error_abort);
1651 }
1652 cpu_synchronize_all_post_reset();
1653 }
1654
1655 void qemu_system_guest_panicked(GuestPanicInformation *info)
1656 {
1657 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1658
1659 if (current_cpu) {
1660 current_cpu->crash_occurred = true;
1661 }
1662 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1663 !!info, info, &error_abort);
1664 vm_stop(RUN_STATE_GUEST_PANICKED);
1665 if (!no_shutdown) {
1666 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1667 !!info, info, &error_abort);
1668 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1669 }
1670
1671 if (info) {
1672 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1673 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1674 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1675 info->u.hyper_v.arg1,
1676 info->u.hyper_v.arg2,
1677 info->u.hyper_v.arg3,
1678 info->u.hyper_v.arg4,
1679 info->u.hyper_v.arg5);
1680 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1681 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1682 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1683 info->u.s390.core,
1684 S390CrashReason_str(info->u.s390.reason),
1685 info->u.s390.psw_mask,
1686 info->u.s390.psw_addr);
1687 }
1688 qapi_free_GuestPanicInformation(info);
1689 }
1690 }
1691
1692 void qemu_system_reset_request(ShutdownCause reason)
1693 {
1694 if (no_reboot) {
1695 shutdown_requested = reason;
1696 } else {
1697 reset_requested = reason;
1698 }
1699 cpu_stop_current();
1700 qemu_notify_event();
1701 }
1702
1703 static void qemu_system_suspend(void)
1704 {
1705 pause_all_vcpus();
1706 notifier_list_notify(&suspend_notifiers, NULL);
1707 runstate_set(RUN_STATE_SUSPENDED);
1708 qapi_event_send_suspend(&error_abort);
1709 }
1710
1711 void qemu_system_suspend_request(void)
1712 {
1713 if (runstate_check(RUN_STATE_SUSPENDED)) {
1714 return;
1715 }
1716 suspend_requested = 1;
1717 cpu_stop_current();
1718 qemu_notify_event();
1719 }
1720
1721 void qemu_register_suspend_notifier(Notifier *notifier)
1722 {
1723 notifier_list_add(&suspend_notifiers, notifier);
1724 }
1725
1726 void qemu_system_wakeup_request(WakeupReason reason)
1727 {
1728 trace_system_wakeup_request(reason);
1729
1730 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1731 return;
1732 }
1733 if (!(wakeup_reason_mask & (1 << reason))) {
1734 return;
1735 }
1736 runstate_set(RUN_STATE_RUNNING);
1737 wakeup_reason = reason;
1738 qemu_notify_event();
1739 }
1740
1741 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1742 {
1743 if (enabled) {
1744 wakeup_reason_mask |= (1 << reason);
1745 } else {
1746 wakeup_reason_mask &= ~(1 << reason);
1747 }
1748 }
1749
1750 void qemu_register_wakeup_notifier(Notifier *notifier)
1751 {
1752 notifier_list_add(&wakeup_notifiers, notifier);
1753 }
1754
1755 void qemu_system_killed(int signal, pid_t pid)
1756 {
1757 shutdown_signal = signal;
1758 shutdown_pid = pid;
1759 no_shutdown = 0;
1760
1761 /* Cannot call qemu_system_shutdown_request directly because
1762 * we are in a signal handler.
1763 */
1764 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1765 qemu_notify_event();
1766 }
1767
1768 void qemu_system_shutdown_request(ShutdownCause reason)
1769 {
1770 trace_qemu_system_shutdown_request(reason);
1771 replay_shutdown_request(reason);
1772 shutdown_requested = reason;
1773 qemu_notify_event();
1774 }
1775
1776 static void qemu_system_powerdown(void)
1777 {
1778 qapi_event_send_powerdown(&error_abort);
1779 notifier_list_notify(&powerdown_notifiers, NULL);
1780 }
1781
1782 void qemu_system_powerdown_request(void)
1783 {
1784 trace_qemu_system_powerdown_request();
1785 powerdown_requested = 1;
1786 qemu_notify_event();
1787 }
1788
1789 void qemu_register_powerdown_notifier(Notifier *notifier)
1790 {
1791 notifier_list_add(&powerdown_notifiers, notifier);
1792 }
1793
1794 void qemu_system_debug_request(void)
1795 {
1796 debug_requested = 1;
1797 qemu_notify_event();
1798 }
1799
1800 static bool main_loop_should_exit(void)
1801 {
1802 RunState r;
1803 ShutdownCause request;
1804
1805 if (preconfig_exit_requested) {
1806 if (runstate_check(RUN_STATE_PRECONFIG)) {
1807 runstate_set(RUN_STATE_PRELAUNCH);
1808 }
1809 preconfig_exit_requested = false;
1810 return true;
1811 }
1812 if (qemu_debug_requested()) {
1813 vm_stop(RUN_STATE_DEBUG);
1814 }
1815 if (qemu_suspend_requested()) {
1816 qemu_system_suspend();
1817 }
1818 request = qemu_shutdown_requested();
1819 if (request) {
1820 qemu_kill_report();
1821 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1822 &error_abort);
1823 if (no_shutdown) {
1824 vm_stop(RUN_STATE_SHUTDOWN);
1825 } else {
1826 return true;
1827 }
1828 }
1829 request = qemu_reset_requested();
1830 if (request) {
1831 pause_all_vcpus();
1832 qemu_system_reset(request);
1833 resume_all_vcpus();
1834 if (!runstate_check(RUN_STATE_RUNNING) &&
1835 !runstate_check(RUN_STATE_INMIGRATE)) {
1836 runstate_set(RUN_STATE_PRELAUNCH);
1837 }
1838 }
1839 if (qemu_wakeup_requested()) {
1840 pause_all_vcpus();
1841 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1842 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1843 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1844 resume_all_vcpus();
1845 qapi_event_send_wakeup(&error_abort);
1846 }
1847 if (qemu_powerdown_requested()) {
1848 qemu_system_powerdown();
1849 }
1850 if (qemu_vmstop_requested(&r)) {
1851 vm_stop(r);
1852 }
1853 return false;
1854 }
1855
1856 static void main_loop(void)
1857 {
1858 #ifdef CONFIG_PROFILER
1859 int64_t ti;
1860 #endif
1861 while (!main_loop_should_exit()) {
1862 #ifdef CONFIG_PROFILER
1863 ti = profile_getclock();
1864 #endif
1865 main_loop_wait(false);
1866 #ifdef CONFIG_PROFILER
1867 dev_time += profile_getclock() - ti;
1868 #endif
1869 }
1870 }
1871
1872 static void version(void)
1873 {
1874 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1875 QEMU_COPYRIGHT "\n");
1876 }
1877
1878 static void help(int exitcode)
1879 {
1880 version();
1881 printf("usage: %s [options] [disk_image]\n\n"
1882 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1883 error_get_progname());
1884
1885 #define QEMU_OPTIONS_GENERATE_HELP
1886 #include "qemu-options-wrapper.h"
1887
1888 printf("\nDuring emulation, the following keys are useful:\n"
1889 "ctrl-alt-f toggle full screen\n"
1890 "ctrl-alt-n switch to virtual console 'n'\n"
1891 "ctrl-alt toggle mouse and keyboard grab\n"
1892 "\n"
1893 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1894 "\n"
1895 QEMU_HELP_BOTTOM "\n");
1896
1897 exit(exitcode);
1898 }
1899
1900 #define HAS_ARG 0x0001
1901
1902 typedef struct QEMUOption {
1903 const char *name;
1904 int flags;
1905 int index;
1906 uint32_t arch_mask;
1907 } QEMUOption;
1908
1909 static const QEMUOption qemu_options[] = {
1910 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1911 #define QEMU_OPTIONS_GENERATE_OPTIONS
1912 #include "qemu-options-wrapper.h"
1913 { NULL },
1914 };
1915
1916 typedef struct VGAInterfaceInfo {
1917 const char *opt_name; /* option name */
1918 const char *name; /* human-readable name */
1919 /* Class names indicating that support is available.
1920 * If no class is specified, the interface is always available */
1921 const char *class_names[2];
1922 } VGAInterfaceInfo;
1923
1924 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1925 [VGA_NONE] = {
1926 .opt_name = "none",
1927 },
1928 [VGA_STD] = {
1929 .opt_name = "std",
1930 .name = "standard VGA",
1931 .class_names = { "VGA", "isa-vga" },
1932 },
1933 [VGA_CIRRUS] = {
1934 .opt_name = "cirrus",
1935 .name = "Cirrus VGA",
1936 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1937 },
1938 [VGA_VMWARE] = {
1939 .opt_name = "vmware",
1940 .name = "VMWare SVGA",
1941 .class_names = { "vmware-svga" },
1942 },
1943 [VGA_VIRTIO] = {
1944 .opt_name = "virtio",
1945 .name = "Virtio VGA",
1946 .class_names = { "virtio-vga" },
1947 },
1948 [VGA_QXL] = {
1949 .opt_name = "qxl",
1950 .name = "QXL VGA",
1951 .class_names = { "qxl-vga" },
1952 },
1953 [VGA_TCX] = {
1954 .opt_name = "tcx",
1955 .name = "TCX framebuffer",
1956 .class_names = { "SUNW,tcx" },
1957 },
1958 [VGA_CG3] = {
1959 .opt_name = "cg3",
1960 .name = "CG3 framebuffer",
1961 .class_names = { "cgthree" },
1962 },
1963 [VGA_XENFB] = {
1964 .opt_name = "xenfb",
1965 },
1966 };
1967
1968 static bool vga_interface_available(VGAInterfaceType t)
1969 {
1970 VGAInterfaceInfo *ti = &vga_interfaces[t];
1971
1972 assert(t < VGA_TYPE_MAX);
1973 return !ti->class_names[0] ||
1974 object_class_by_name(ti->class_names[0]) ||
1975 object_class_by_name(ti->class_names[1]);
1976 }
1977
1978 static void select_vgahw(const char *p)
1979 {
1980 const char *opts;
1981 int t;
1982
1983 assert(vga_interface_type == VGA_NONE);
1984 for (t = 0; t < VGA_TYPE_MAX; t++) {
1985 VGAInterfaceInfo *ti = &vga_interfaces[t];
1986 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1987 if (!vga_interface_available(t)) {
1988 error_report("%s not available", ti->name);
1989 exit(1);
1990 }
1991 vga_interface_type = t;
1992 break;
1993 }
1994 }
1995 if (t == VGA_TYPE_MAX) {
1996 invalid_vga:
1997 error_report("unknown vga type: %s", p);
1998 exit(1);
1999 }
2000 while (*opts) {
2001 const char *nextopt;
2002
2003 if (strstart(opts, ",retrace=", &nextopt)) {
2004 opts = nextopt;
2005 if (strstart(opts, "dumb", &nextopt))
2006 vga_retrace_method = VGA_RETRACE_DUMB;
2007 else if (strstart(opts, "precise", &nextopt))
2008 vga_retrace_method = VGA_RETRACE_PRECISE;
2009 else goto invalid_vga;
2010 } else goto invalid_vga;
2011 opts = nextopt;
2012 }
2013 }
2014
2015 static void parse_display_qapi(const char *optarg)
2016 {
2017 Error *err = NULL;
2018 DisplayOptions *opts;
2019 Visitor *v;
2020
2021 v = qobject_input_visitor_new_str(optarg, "type", &err);
2022 if (!v) {
2023 error_report_err(err);
2024 exit(1);
2025 }
2026
2027 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2028 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2029
2030 qapi_free_DisplayOptions(opts);
2031 visit_free(v);
2032 }
2033
2034 static void parse_display(const char *p)
2035 {
2036 const char *opts;
2037
2038 if (strstart(p, "sdl", &opts)) {
2039 /*
2040 * sdl DisplayType needs hand-crafted parser instead of
2041 * parse_display_qapi() due to some options not in
2042 * DisplayOptions, specifically:
2043 * - frame
2044 * Already deprecated.
2045 * - ctrl_grab + alt_grab
2046 * Not clear yet what happens to them long-term. Should
2047 * replaced by something better or deprecated and dropped.
2048 */
2049 dpy.type = DISPLAY_TYPE_SDL;
2050 while (*opts) {
2051 const char *nextopt;
2052
2053 if (strstart(opts, ",frame=", &nextopt)) {
2054 g_printerr("The frame= sdl option is deprecated, and will be\n"
2055 "removed in a future release.\n");
2056 opts = nextopt;
2057 if (strstart(opts, "on", &nextopt)) {
2058 no_frame = 0;
2059 } else if (strstart(opts, "off", &nextopt)) {
2060 no_frame = 1;
2061 } else {
2062 goto invalid_sdl_args;
2063 }
2064 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2065 opts = nextopt;
2066 if (strstart(opts, "on", &nextopt)) {
2067 alt_grab = 1;
2068 } else if (strstart(opts, "off", &nextopt)) {
2069 alt_grab = 0;
2070 } else {
2071 goto invalid_sdl_args;
2072 }
2073 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2074 opts = nextopt;
2075 if (strstart(opts, "on", &nextopt)) {
2076 ctrl_grab = 1;
2077 } else if (strstart(opts, "off", &nextopt)) {
2078 ctrl_grab = 0;
2079 } else {
2080 goto invalid_sdl_args;
2081 }
2082 } else if (strstart(opts, ",window_close=", &nextopt)) {
2083 opts = nextopt;
2084 dpy.has_window_close = true;
2085 if (strstart(opts, "on", &nextopt)) {
2086 dpy.window_close = true;
2087 } else if (strstart(opts, "off", &nextopt)) {
2088 dpy.window_close = false;
2089 } else {
2090 goto invalid_sdl_args;
2091 }
2092 } else if (strstart(opts, ",gl=", &nextopt)) {
2093 opts = nextopt;
2094 dpy.has_gl = true;
2095 if (strstart(opts, "on", &nextopt)) {
2096 dpy.gl = DISPLAYGL_MODE_ON;
2097 } else if (strstart(opts, "core", &nextopt)) {
2098 dpy.gl = DISPLAYGL_MODE_CORE;
2099 } else if (strstart(opts, "es", &nextopt)) {
2100 dpy.gl = DISPLAYGL_MODE_ES;
2101 } else if (strstart(opts, "off", &nextopt)) {
2102 dpy.gl = DISPLAYGL_MODE_OFF;
2103 } else {
2104 goto invalid_sdl_args;
2105 }
2106 } else {
2107 invalid_sdl_args:
2108 error_report("invalid SDL option string");
2109 exit(1);
2110 }
2111 opts = nextopt;
2112 }
2113 } else if (strstart(p, "vnc", &opts)) {
2114 /*
2115 * vnc isn't a (local) DisplayType but a protocol for remote
2116 * display access.
2117 */
2118 if (*opts == '=') {
2119 vnc_parse(opts + 1, &error_fatal);
2120 } else {
2121 error_report("VNC requires a display argument vnc=<display>");
2122 exit(1);
2123 }
2124 } else {
2125 parse_display_qapi(p);
2126 }
2127 }
2128
2129 static int balloon_parse(const char *arg)
2130 {
2131 QemuOpts *opts;
2132
2133 warn_report("This option is deprecated. "
2134 "Use '--device virtio-balloon' to enable the balloon device.");
2135
2136 if (strcmp(arg, "none") == 0) {
2137 return 0;
2138 }
2139
2140 if (!strncmp(arg, "virtio", 6)) {
2141 if (arg[6] == ',') {
2142 /* have params -> parse them */
2143 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2144 false);
2145 if (!opts)
2146 return -1;
2147 } else {
2148 /* create empty opts */
2149 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2150 &error_abort);
2151 }
2152 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2153 return 0;
2154 }
2155
2156 return -1;
2157 }
2158
2159 char *qemu_find_file(int type, const char *name)
2160 {
2161 int i;
2162 const char *subdir;
2163 char *buf;
2164
2165 /* Try the name as a straight path first */
2166 if (access(name, R_OK) == 0) {
2167 trace_load_file(name, name);
2168 return g_strdup(name);
2169 }
2170
2171 switch (type) {
2172 case QEMU_FILE_TYPE_BIOS:
2173 subdir = "";
2174 break;
2175 case QEMU_FILE_TYPE_KEYMAP:
2176 subdir = "keymaps/";
2177 break;
2178 default:
2179 abort();
2180 }
2181
2182 for (i = 0; i < data_dir_idx; i++) {
2183 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2184 if (access(buf, R_OK) == 0) {
2185 trace_load_file(name, buf);
2186 return buf;
2187 }
2188 g_free(buf);
2189 }
2190 return NULL;
2191 }
2192
2193 static void qemu_add_data_dir(const char *path)
2194 {
2195 int i;
2196
2197 if (path == NULL) {
2198 return;
2199 }
2200 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2201 return;
2202 }
2203 for (i = 0; i < data_dir_idx; i++) {
2204 if (strcmp(data_dir[i], path) == 0) {
2205 return; /* duplicate */
2206 }
2207 }
2208 data_dir[data_dir_idx++] = g_strdup(path);
2209 }
2210
2211 static inline bool nonempty_str(const char *str)
2212 {
2213 return str && *str;
2214 }
2215
2216 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2217 {
2218 gchar *buf;
2219 size_t size;
2220 const char *name, *file, *str;
2221 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2222
2223 if (fw_cfg == NULL) {
2224 error_report("fw_cfg device not available");
2225 return -1;
2226 }
2227 name = qemu_opt_get(opts, "name");
2228 file = qemu_opt_get(opts, "file");
2229 str = qemu_opt_get(opts, "string");
2230
2231 /* we need name and either a file or the content string */
2232 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2233 error_report("invalid argument(s)");
2234 return -1;
2235 }
2236 if (nonempty_str(file) && nonempty_str(str)) {
2237 error_report("file and string are mutually exclusive");
2238 return -1;
2239 }
2240 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2241 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2242 return -1;
2243 }
2244 if (strncmp(name, "opt/", 4) != 0) {
2245 warn_report("externally provided fw_cfg item names "
2246 "should be prefixed with \"opt/\"");
2247 }
2248 if (nonempty_str(str)) {
2249 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2250 buf = g_memdup(str, size);
2251 } else {
2252 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2253 error_report("can't load %s", file);
2254 return -1;
2255 }
2256 }
2257 /* For legacy, keep user files in a specific global order. */
2258 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2259 fw_cfg_add_file(fw_cfg, name, buf, size);
2260 fw_cfg_reset_order_override(fw_cfg);
2261 return 0;
2262 }
2263
2264 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2265 {
2266 return qdev_device_help(opts);
2267 }
2268
2269 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2270 {
2271 Error *err = NULL;
2272 DeviceState *dev;
2273
2274 dev = qdev_device_add(opts, &err);
2275 if (!dev) {
2276 error_report_err(err);
2277 return -1;
2278 }
2279 object_unref(OBJECT(dev));
2280 return 0;
2281 }
2282
2283 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2284 {
2285 Error *local_err = NULL;
2286
2287 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2288 if (local_err) {
2289 error_report_err(local_err);
2290 return -1;
2291 }
2292 exit(0);
2293 }
2294 return 0;
2295 }
2296
2297 #ifdef CONFIG_VIRTFS
2298 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2299 {
2300 return qemu_fsdev_add(opts);
2301 }
2302 #endif
2303
2304 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2305 {
2306 Chardev *chr;
2307 const char *chardev;
2308 const char *mode;
2309 int flags;
2310
2311 mode = qemu_opt_get(opts, "mode");
2312 if (mode == NULL) {
2313 mode = "readline";
2314 }
2315 if (strcmp(mode, "readline") == 0) {
2316 flags = MONITOR_USE_READLINE;
2317 } else if (strcmp(mode, "control") == 0) {
2318 flags = MONITOR_USE_CONTROL;
2319 } else {
2320 error_report("unknown monitor mode \"%s\"", mode);
2321 exit(1);
2322 }
2323
2324 if (qemu_opt_get_bool(opts, "pretty", 0))
2325 flags |= MONITOR_USE_PRETTY;
2326
2327 /* OOB is off by default */
2328 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2329 flags |= MONITOR_USE_OOB;
2330 }
2331
2332 chardev = qemu_opt_get(opts, "chardev");
2333 chr = qemu_chr_find(chardev);
2334 if (chr == NULL) {
2335 error_report("chardev \"%s\" not found", chardev);
2336 exit(1);
2337 }
2338
2339 monitor_init(chr, flags);
2340 return 0;
2341 }
2342
2343 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2344 {
2345 static int monitor_device_index = 0;
2346 QemuOpts *opts;
2347 const char *p;
2348 char label[32];
2349
2350 if (strstart(optarg, "chardev:", &p)) {
2351 snprintf(label, sizeof(label), "%s", p);
2352 } else {
2353 snprintf(label, sizeof(label), "compat_monitor%d",
2354 monitor_device_index);
2355 opts = qemu_chr_parse_compat(label, optarg);
2356 if (!opts) {
2357 error_report("parse error: %s", optarg);
2358 exit(1);
2359 }
2360 }
2361
2362 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2363 qemu_opt_set(opts, "mode", mode, &error_abort);
2364 qemu_opt_set(opts, "chardev", label, &error_abort);
2365 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2366 monitor_device_index++;
2367 }
2368
2369 struct device_config {
2370 enum {
2371 DEV_USB, /* -usbdevice */
2372 DEV_BT, /* -bt */
2373 DEV_SERIAL, /* -serial */
2374 DEV_PARALLEL, /* -parallel */
2375 DEV_VIRTCON, /* -virtioconsole */
2376 DEV_DEBUGCON, /* -debugcon */
2377 DEV_GDB, /* -gdb, -s */
2378 DEV_SCLP, /* s390 sclp */
2379 } type;
2380 const char *cmdline;
2381 Location loc;
2382 QTAILQ_ENTRY(device_config) next;
2383 };
2384
2385 static QTAILQ_HEAD(, device_config) device_configs =
2386 QTAILQ_HEAD_INITIALIZER(device_configs);
2387
2388 static void add_device_config(int type, const char *cmdline)
2389 {
2390 struct device_config *conf;
2391
2392 conf = g_malloc0(sizeof(*conf));
2393 conf->type = type;
2394 conf->cmdline = cmdline;
2395 loc_save(&conf->loc);
2396 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2397 }
2398
2399 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2400 {
2401 struct device_config *conf;
2402 int rc;
2403
2404 QTAILQ_FOREACH(conf, &device_configs, next) {
2405 if (conf->type != type)
2406 continue;
2407 loc_push_restore(&conf->loc);
2408 rc = func(conf->cmdline);
2409 loc_pop(&conf->loc);
2410 if (rc) {
2411 return rc;
2412 }
2413 }
2414 return 0;
2415 }
2416
2417 static int serial_parse(const char *devname)
2418 {
2419 int index = num_serial_hds;
2420 char label[32];
2421
2422 if (strcmp(devname, "none") == 0)
2423 return 0;
2424 snprintf(label, sizeof(label), "serial%d", index);
2425 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2426
2427 serial_hds[index] = qemu_chr_new(label, devname);
2428 if (!serial_hds[index]) {
2429 error_report("could not connect serial device"
2430 " to character backend '%s'", devname);
2431 return -1;
2432 }
2433 num_serial_hds++;
2434 return 0;
2435 }
2436
2437 Chardev *serial_hd(int i)
2438 {
2439 assert(i >= 0);
2440 if (i < num_serial_hds) {
2441 return serial_hds[i];
2442 }
2443 return NULL;
2444 }
2445
2446 int serial_max_hds(void)
2447 {
2448 return num_serial_hds;
2449 }
2450
2451 static int parallel_parse(const char *devname)
2452 {
2453 static int index = 0;
2454 char label[32];
2455
2456 if (strcmp(devname, "none") == 0)
2457 return 0;
2458 if (index == MAX_PARALLEL_PORTS) {
2459 error_report("too many parallel ports");
2460 exit(1);
2461 }
2462 snprintf(label, sizeof(label), "parallel%d", index);
2463 parallel_hds[index] = qemu_chr_new(label, devname);
2464 if (!parallel_hds[index]) {
2465 error_report("could not connect parallel device"
2466 " to character backend '%s'", devname);
2467 return -1;
2468 }
2469 index++;
2470 return 0;
2471 }
2472
2473 static int virtcon_parse(const char *devname)
2474 {
2475 QemuOptsList *device = qemu_find_opts("device");
2476 static int index = 0;
2477 char label[32];
2478 QemuOpts *bus_opts, *dev_opts;
2479
2480 if (strcmp(devname, "none") == 0)
2481 return 0;
2482 if (index == MAX_VIRTIO_CONSOLES) {
2483 error_report("too many virtio consoles");
2484 exit(1);
2485 }
2486
2487 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2488 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2489
2490 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2491 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2492
2493 snprintf(label, sizeof(label), "virtcon%d", index);
2494 virtcon_hds[index] = qemu_chr_new(label, devname);
2495 if (!virtcon_hds[index]) {
2496 error_report("could not connect virtio console"
2497 " to character backend '%s'", devname);
2498 return -1;
2499 }
2500 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2501
2502 index++;
2503 return 0;
2504 }
2505
2506 static int debugcon_parse(const char *devname)
2507 {
2508 QemuOpts *opts;
2509
2510 if (!qemu_chr_new("debugcon", devname)) {
2511 exit(1);
2512 }
2513 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2514 if (!opts) {
2515 error_report("already have a debugcon device");
2516 exit(1);
2517 }
2518 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2519 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2520 return 0;
2521 }
2522
2523 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2524 {
2525 const MachineClass *mc1 = a, *mc2 = b;
2526 int res;
2527
2528 if (mc1->family == NULL) {
2529 if (mc2->family == NULL) {
2530 /* Compare standalone machine types against each other; they sort
2531 * in increasing order.
2532 */
2533 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2534 object_class_get_name(OBJECT_CLASS(mc2)));
2535 }
2536
2537 /* Standalone machine types sort after families. */
2538 return 1;
2539 }
2540
2541 if (mc2->family == NULL) {
2542 /* Families sort before standalone machine types. */
2543 return -1;
2544 }
2545
2546 /* Families sort between each other alphabetically increasingly. */
2547 res = strcmp(mc1->family, mc2->family);
2548 if (res != 0) {
2549 return res;
2550 }
2551
2552 /* Within the same family, machine types sort in decreasing order. */
2553 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2554 object_class_get_name(OBJECT_CLASS(mc1)));
2555 }
2556
2557 static MachineClass *machine_parse(const char *name)
2558 {
2559 MachineClass *mc = NULL;
2560 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2561
2562 if (name) {
2563 mc = find_machine(name);
2564 }
2565 if (mc) {
2566 g_slist_free(machines);
2567 return mc;
2568 }
2569 if (name && !is_help_option(name)) {
2570 error_report("unsupported machine type");
2571 error_printf("Use -machine help to list supported machines\n");
2572 } else {
2573 printf("Supported machines are:\n");
2574 machines = g_slist_sort(machines, machine_class_cmp);
2575 for (el = machines; el; el = el->next) {
2576 MachineClass *mc = el->data;
2577 if (mc->alias) {
2578 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2579 }
2580 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2581 mc->is_default ? " (default)" : "",
2582 mc->deprecation_reason ? " (deprecated)" : "");
2583 }
2584 }
2585
2586 g_slist_free(machines);
2587 exit(!name || !is_help_option(name));
2588 }
2589
2590 void qemu_add_exit_notifier(Notifier *notify)
2591 {
2592 notifier_list_add(&exit_notifiers, notify);
2593 }
2594
2595 void qemu_remove_exit_notifier(Notifier *notify)
2596 {
2597 notifier_remove(notify);
2598 }
2599
2600 static void qemu_run_exit_notifiers(void)
2601 {
2602 notifier_list_notify(&exit_notifiers, NULL);
2603 }
2604
2605 bool machine_init_done;
2606
2607 void qemu_add_machine_init_done_notifier(Notifier *notify)
2608 {
2609 notifier_list_add(&machine_init_done_notifiers, notify);
2610 if (machine_init_done) {
2611 notify->notify(notify, NULL);
2612 }
2613 }
2614
2615 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2616 {
2617 notifier_remove(notify);
2618 }
2619
2620 static void qemu_run_machine_init_done_notifiers(void)
2621 {
2622 machine_init_done = true;
2623 notifier_list_notify(&machine_init_done_notifiers, NULL);
2624 }
2625
2626 static const QEMUOption *lookup_opt(int argc, char **argv,
2627 const char **poptarg, int *poptind)
2628 {
2629 const QEMUOption *popt;
2630 int optind = *poptind;
2631 char *r = argv[optind];
2632 const char *optarg;
2633
2634 loc_set_cmdline(argv, optind, 1);
2635 optind++;
2636 /* Treat --foo the same as -foo. */
2637 if (r[1] == '-')
2638 r++;
2639 popt = qemu_options;
2640 for(;;) {
2641 if (!popt->name) {
2642 error_report("invalid option");
2643 exit(1);
2644 }
2645 if (!strcmp(popt->name, r + 1))
2646 break;
2647 popt++;
2648 }
2649 if (popt->flags & HAS_ARG) {
2650 if (optind >= argc) {
2651 error_report("requires an argument");
2652 exit(1);
2653 }
2654 optarg = argv[optind++];
2655 loc_set_cmdline(argv, optind - 2, 2);
2656 } else {
2657 optarg = NULL;
2658 }
2659
2660 *poptarg = optarg;
2661 *poptind = optind;
2662
2663 return popt;
2664 }
2665
2666 static MachineClass *select_machine(void)
2667 {
2668 MachineClass *machine_class = find_default_machine();
2669 const char *optarg;
2670 QemuOpts *opts;
2671 Location loc;
2672
2673 loc_push_none(&loc);
2674
2675 opts = qemu_get_machine_opts();
2676 qemu_opts_loc_restore(opts);
2677
2678 optarg = qemu_opt_get(opts, "type");
2679 if (optarg) {
2680 machine_class = machine_parse(optarg);
2681 }
2682
2683 if (!machine_class) {
2684 error_report("No machine specified, and there is no default");
2685 error_printf("Use -machine help to list supported machines\n");
2686 exit(1);
2687 }
2688
2689 loc_pop(&loc);
2690 return machine_class;
2691 }
2692
2693 static int machine_set_property(void *opaque,
2694 const char *name, const char *value,
2695 Error **errp)
2696 {
2697 Object *obj = OBJECT(opaque);
2698 Error *local_err = NULL;
2699 char *p, *qom_name;
2700
2701 if (strcmp(name, "type") == 0) {
2702 return 0;
2703 }
2704
2705 qom_name = g_strdup(name);
2706 for (p = qom_name; *p; p++) {
2707 if (*p == '_') {
2708 *p = '-';
2709 }
2710 }
2711
2712 object_property_parse(obj, value, qom_name, &local_err);
2713 g_free(qom_name);
2714
2715 if (local_err) {
2716 error_report_err(local_err);
2717 return -1;
2718 }
2719
2720 return 0;
2721 }
2722
2723
2724 /*
2725 * Initial object creation happens before all other
2726 * QEMU data types are created. The majority of objects
2727 * can be created at this point. The rng-egd object
2728 * cannot be created here, as it depends on the chardev
2729 * already existing.
2730 */
2731 static bool object_create_initial(const char *type)
2732 {
2733 if (g_str_equal(type, "rng-egd") ||
2734 g_str_has_prefix(type, "pr-manager-")) {
2735 return false;
2736 }
2737
2738 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2739 if (g_str_equal(type, "cryptodev-vhost-user")) {
2740 return false;
2741 }
2742 #endif
2743
2744 /*
2745 * return false for concrete netfilters since
2746 * they depend on netdevs already existing
2747 */
2748 if (g_str_equal(type, "filter-buffer") ||
2749 g_str_equal(type, "filter-dump") ||
2750 g_str_equal(type, "filter-mirror") ||
2751 g_str_equal(type, "filter-redirector") ||
2752 g_str_equal(type, "colo-compare") ||
2753 g_str_equal(type, "filter-rewriter") ||
2754 g_str_equal(type, "filter-replay")) {
2755 return false;
2756 }
2757
2758 /* Memory allocation by backends needs to be done
2759 * after configure_accelerator() (due to the tcg_enabled()
2760 * checks at memory_region_init_*()).
2761 *
2762 * Also, allocation of large amounts of memory may delay
2763 * chardev initialization for too long, and trigger timeouts
2764 * on software that waits for a monitor socket to be created
2765 * (e.g. libvirt).
2766 */
2767 if (g_str_has_prefix(type, "memory-backend-")) {
2768 return false;
2769 }
2770
2771 return true;
2772 }
2773
2774
2775 /*
2776 * The remainder of object creation happens after the
2777 * creation of chardev, fsdev, net clients and device data types.
2778 */
2779 static bool object_create_delayed(const char *type)
2780 {
2781 return !object_create_initial(type);
2782 }
2783
2784
2785 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2786 MachineClass *mc)
2787 {
2788 uint64_t sz;
2789 const char *mem_str;
2790 const ram_addr_t default_ram_size = mc->default_ram_size;
2791 QemuOpts *opts = qemu_find_opts_singleton("memory");
2792 Location loc;
2793
2794 loc_push_none(&loc);
2795 qemu_opts_loc_restore(opts);
2796
2797 sz = 0;
2798 mem_str = qemu_opt_get(opts, "size");
2799 if (mem_str) {
2800 if (!*mem_str) {
2801 error_report("missing 'size' option value");
2802 exit(EXIT_FAILURE);
2803 }
2804
2805 sz = qemu_opt_get_size(opts, "size", ram_size);
2806
2807 /* Fix up legacy suffix-less format */
2808 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2809 uint64_t overflow_check = sz;
2810
2811 sz <<= 20;
2812 if ((sz >> 20) != overflow_check) {
2813 error_report("too large 'size' option value");
2814 exit(EXIT_FAILURE);
2815 }
2816 }
2817 }
2818
2819 /* backward compatibility behaviour for case "-m 0" */
2820 if (sz == 0) {
2821 sz = default_ram_size;
2822 }
2823
2824 sz = QEMU_ALIGN_UP(sz, 8192);
2825 ram_size = sz;
2826 if (ram_size != sz) {
2827 error_report("ram size too large");
2828 exit(EXIT_FAILURE);
2829 }
2830
2831 /* store value for the future use */
2832 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2833 *maxram_size = ram_size;
2834
2835 if (qemu_opt_get(opts, "maxmem")) {
2836 uint64_t slots;
2837
2838 sz = qemu_opt_get_size(opts, "maxmem", 0);
2839 slots = qemu_opt_get_number(opts, "slots", 0);
2840 if (sz < ram_size) {
2841 error_report("invalid value of -m option maxmem: "
2842 "maximum memory size (0x%" PRIx64 ") must be at least "
2843 "the initial memory size (0x" RAM_ADDR_FMT ")",
2844 sz, ram_size);
2845 exit(EXIT_FAILURE);
2846 } else if (slots && sz == ram_size) {
2847 error_report("invalid value of -m option maxmem: "
2848 "memory slots were specified but maximum memory size "
2849 "(0x%" PRIx64 ") is equal to the initial memory size "
2850 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2851 exit(EXIT_FAILURE);
2852 }
2853
2854 *maxram_size = sz;
2855 *ram_slots = slots;
2856 } else if (qemu_opt_get(opts, "slots")) {
2857 error_report("invalid -m option value: missing 'maxmem' option");
2858 exit(EXIT_FAILURE);
2859 }
2860
2861 loc_pop(&loc);
2862 }
2863
2864 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2865 {
2866 GlobalProperty *g;
2867
2868 g = g_malloc0(sizeof(*g));
2869 g->driver = qemu_opt_get(opts, "driver");
2870 g->property = qemu_opt_get(opts, "property");
2871 g->value = qemu_opt_get(opts, "value");
2872 g->user_provided = true;
2873 g->errp = &error_fatal;
2874 qdev_prop_register_global(g);
2875 return 0;
2876 }
2877
2878 static int qemu_read_default_config_file(void)
2879 {
2880 int ret;
2881
2882 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2883 if (ret < 0 && ret != -ENOENT) {
2884 return ret;
2885 }
2886
2887 return 0;
2888 }
2889
2890 static void user_register_global_props(void)
2891 {
2892 qemu_opts_foreach(qemu_find_opts("global"),
2893 global_init_func, NULL, NULL);
2894 }
2895
2896 /*
2897 * Note: we should see that these properties are actually having a
2898 * priority: accel < machine < user. This means e.g. when user
2899 * specifies something in "-global", it'll always be used with highest
2900 * priority than either machine/accelerator compat properties.
2901 */
2902 static void register_global_properties(MachineState *ms)
2903 {
2904 accel_register_compat_props(ms->accelerator);
2905 machine_register_compat_props(ms);
2906 user_register_global_props();
2907 }
2908
2909 int main(int argc, char **argv, char **envp)
2910 {
2911 int i;
2912 int snapshot, linux_boot;
2913 const char *initrd_filename;
2914 const char *kernel_filename, *kernel_cmdline;
2915 const char *boot_order = NULL;
2916 const char *boot_once = NULL;
2917 DisplayState *ds;
2918 QemuOpts *opts, *machine_opts;
2919 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2920 QemuOptsList *olist;
2921 int optind;
2922 const char *optarg;
2923 const char *loadvm = NULL;
2924 MachineClass *machine_class;
2925 const char *cpu_model;
2926 const char *vga_model = NULL;
2927 const char *qtest_chrdev = NULL;
2928 const char *qtest_log = NULL;
2929 const char *pid_file = NULL;
2930 const char *incoming = NULL;
2931 bool userconfig = true;
2932 bool nographic = false;
2933 int display_remote = 0;
2934 const char *log_mask = NULL;
2935 const char *log_file = NULL;
2936 char *trace_file = NULL;
2937 ram_addr_t maxram_size;
2938 uint64_t ram_slots = 0;
2939 FILE *vmstate_dump_file = NULL;
2940 Error *main_loop_err = NULL;
2941 Error *err = NULL;
2942 bool list_data_dirs = false;
2943 char *dir, **dirs;
2944 typedef struct BlockdevOptions_queue {
2945 BlockdevOptions *bdo;
2946 Location loc;
2947 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2948 } BlockdevOptions_queue;
2949 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2950 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2951
2952 module_call_init(MODULE_INIT_TRACE);
2953
2954 qemu_init_cpu_list();
2955 qemu_init_cpu_loop();
2956
2957 qemu_mutex_lock_iothread();
2958
2959 atexit(qemu_run_exit_notifiers);
2960 error_set_progname(argv[0]);
2961 qemu_init_exec_dir(argv[0]);
2962
2963 module_call_init(MODULE_INIT_QOM);
2964
2965 qemu_add_opts(&qemu_drive_opts);
2966 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2967 qemu_add_drive_opts(&qemu_common_drive_opts);
2968 qemu_add_drive_opts(&qemu_drive_opts);
2969 qemu_add_drive_opts(&bdrv_runtime_opts);
2970 qemu_add_opts(&qemu_chardev_opts);
2971 qemu_add_opts(&qemu_device_opts);
2972 qemu_add_opts(&qemu_netdev_opts);
2973 qemu_add_opts(&qemu_nic_opts);
2974 qemu_add_opts(&qemu_net_opts);
2975 qemu_add_opts(&qemu_rtc_opts);
2976 qemu_add_opts(&qemu_global_opts);
2977 qemu_add_opts(&qemu_mon_opts);
2978 qemu_add_opts(&qemu_trace_opts);
2979 qemu_add_opts(&qemu_option_rom_opts);
2980 qemu_add_opts(&qemu_machine_opts);
2981 qemu_add_opts(&qemu_accel_opts);
2982 qemu_add_opts(&qemu_mem_opts);
2983 qemu_add_opts(&qemu_smp_opts);
2984 qemu_add_opts(&qemu_boot_opts);
2985 qemu_add_opts(&qemu_add_fd_opts);
2986 qemu_add_opts(&qemu_object_opts);
2987 qemu_add_opts(&qemu_tpmdev_opts);
2988 qemu_add_opts(&qemu_realtime_opts);
2989 qemu_add_opts(&qemu_msg_opts);
2990 qemu_add_opts(&qemu_name_opts);
2991 qemu_add_opts(&qemu_numa_opts);
2992 qemu_add_opts(&qemu_icount_opts);
2993 qemu_add_opts(&qemu_semihosting_config_opts);
2994 qemu_add_opts(&qemu_fw_cfg_opts);
2995 module_call_init(MODULE_INIT_OPTS);
2996
2997 runstate_init();
2998 postcopy_infrastructure_init();
2999 monitor_init_globals();
3000
3001 if (qcrypto_init(&err) < 0) {
3002 error_reportf_err(err, "cannot initialize crypto: ");
3003 exit(1);
3004 }
3005 rtc_clock = QEMU_CLOCK_HOST;
3006
3007 QLIST_INIT (&vm_change_state_head);
3008 os_setup_early_signal_handling();
3009
3010 cpu_model = NULL;
3011 snapshot = 0;
3012
3013 nb_nics = 0;
3014
3015 bdrv_init_with_whitelist();
3016
3017 autostart = 1;
3018
3019 /* first pass of option parsing */
3020 optind = 1;
3021 while (optind < argc) {
3022 if (argv[optind][0] != '-') {
3023 /* disk image */
3024 optind++;
3025 } else {
3026 const QEMUOption *popt;
3027
3028 popt = lookup_opt(argc, argv, &optarg, &optind);
3029 switch (popt->index) {
3030 case QEMU_OPTION_nodefconfig:
3031 case QEMU_OPTION_nouserconfig:
3032 userconfig = false;
3033 break;
3034 }
3035 }
3036 }
3037
3038 if (userconfig) {
3039 if (qemu_read_default_config_file() < 0) {
3040 exit(1);
3041 }
3042 }
3043
3044 /* second pass of option parsing */
3045 optind = 1;
3046 for(;;) {
3047 if (optind >= argc)
3048 break;
3049 if (argv[optind][0] != '-') {
3050 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3051 } else {
3052 const QEMUOption *popt;
3053
3054 popt = lookup_opt(argc, argv, &optarg, &optind);
3055 if (!(popt->arch_mask & arch_type)) {
3056 error_report("Option not supported for this target");
3057 exit(1);
3058 }
3059 switch(popt->index) {
3060 case QEMU_OPTION_cpu:
3061 /* hw initialization will check this */
3062 cpu_model = optarg;
3063 break;
3064 case QEMU_OPTION_hda:
3065 case QEMU_OPTION_hdb:
3066 case QEMU_OPTION_hdc:
3067 case QEMU_OPTION_hdd:
3068 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3069 HD_OPTS);
3070 break;
3071 case QEMU_OPTION_blockdev:
3072 {
3073 Visitor *v;
3074 BlockdevOptions_queue *bdo;
3075
3076 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3077 if (!v) {
3078 error_report_err(err);
3079 exit(1);
3080 }
3081
3082 bdo = g_new(BlockdevOptions_queue, 1);
3083 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3084 &error_fatal);
3085 visit_free(v);
3086 loc_save(&bdo->loc);
3087 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3088 break;
3089 }
3090 case QEMU_OPTION_drive:
3091 if (drive_def(optarg) == NULL) {
3092 exit(1);
3093 }
3094 break;
3095 case QEMU_OPTION_set:
3096 if (qemu_set_option(optarg) != 0)
3097 exit(1);
3098 break;
3099 case QEMU_OPTION_global:
3100 if (qemu_global_option(optarg) != 0)
3101 exit(1);
3102 break;
3103 case QEMU_OPTION_mtdblock:
3104 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3105 break;
3106 case QEMU_OPTION_sd:
3107 drive_add(IF_SD, -1, optarg, SD_OPTS);
3108 break;
3109 case QEMU_OPTION_pflash:
3110 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3111 break;
3112 case QEMU_OPTION_snapshot:
3113 snapshot = 1;
3114 break;
3115 case QEMU_OPTION_numa:
3116 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3117 optarg, true);
3118 if (!opts) {
3119 exit(1);
3120 }
3121 break;
3122 case QEMU_OPTION_display:
3123 parse_display(optarg);
3124 break;
3125 case QEMU_OPTION_nographic:
3126 olist = qemu_find_opts("machine");
3127 qemu_opts_parse_noisily(olist, "graphics=off", false);
3128 nographic = true;
3129 dpy.type = DISPLAY_TYPE_NONE;
3130 break;
3131 case QEMU_OPTION_curses:
3132 #ifdef CONFIG_CURSES
3133 dpy.type = DISPLAY_TYPE_CURSES;
3134 #else
3135 error_report("curses support is disabled");
3136 exit(1);
3137 #endif
3138 break;
3139 case QEMU_OPTION_portrait:
3140 graphic_rotate = 90;
3141 break;
3142 case QEMU_OPTION_rotate:
3143 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3144 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3145 graphic_rotate != 180 && graphic_rotate != 270) {
3146 error_report("only 90, 180, 270 deg rotation is available");
3147 exit(1);
3148 }
3149 break;
3150 case QEMU_OPTION_kernel:
3151 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3152 &error_abort);
3153 break;
3154 case QEMU_OPTION_initrd:
3155 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3156 &error_abort);
3157 break;
3158 case QEMU_OPTION_append:
3159 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3160 &error_abort);
3161 break;
3162 case QEMU_OPTION_dtb:
3163 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3164 &error_abort);
3165 break;
3166 case QEMU_OPTION_cdrom:
3167 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3168 break;
3169 case QEMU_OPTION_boot:
3170 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3171 optarg, true);
3172 if (!opts) {
3173 exit(1);
3174 }
3175 break;
3176 case QEMU_OPTION_fda:
3177 case QEMU_OPTION_fdb:
3178 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3179 optarg, FD_OPTS);
3180 break;
3181 case QEMU_OPTION_no_fd_bootchk:
3182 fd_bootchk = 0;
3183 break;
3184 case QEMU_OPTION_netdev:
3185 default_net = 0;
3186 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3187 exit(1);
3188 }
3189 break;
3190 case QEMU_OPTION_nic:
3191 default_net = 0;
3192 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3193 exit(1);
3194 }
3195 break;
3196 case QEMU_OPTION_net:
3197 default_net = 0;
3198 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3199 exit(1);
3200 }
3201 break;
3202 #ifdef CONFIG_LIBISCSI
3203 case QEMU_OPTION_iscsi:
3204 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3205 optarg, false);
3206 if (!opts) {
3207 exit(1);
3208 }
3209 break;
3210 #endif
3211 #ifdef CONFIG_SLIRP
3212 case QEMU_OPTION_tftp:
3213 error_report("The -tftp option is deprecated. "
3214 "Please use '-netdev user,tftp=...' instead.");
3215 legacy_tftp_prefix = optarg;
3216 break;
3217 case QEMU_OPTION_bootp:
3218 error_report("The -bootp option is deprecated. "
3219 "Please use '-netdev user,bootfile=...' instead.");
3220 legacy_bootp_filename = optarg;
3221 break;
3222 case QEMU_OPTION_redir:
3223 error_report("The -redir option is deprecated. "
3224 "Please use '-netdev user,hostfwd=...' instead.");
3225 if (net_slirp_redir(optarg) < 0)
3226 exit(1);
3227 break;
3228 #endif
3229 case QEMU_OPTION_bt:
3230 add_device_config(DEV_BT, optarg);
3231 break;
3232 case QEMU_OPTION_audio_help:
3233 AUD_help ();
3234 exit (0);
3235 break;
3236 case QEMU_OPTION_soundhw:
3237 select_soundhw (optarg);
3238 break;
3239 case QEMU_OPTION_h:
3240 help(0);
3241 break;
3242 case QEMU_OPTION_version:
3243 version();
3244 exit(0);
3245 break;
3246 case QEMU_OPTION_m:
3247 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3248 optarg, true);
3249 if (!opts) {
3250 exit(EXIT_FAILURE);
3251 }
3252 break;
3253 #ifdef CONFIG_TPM
3254 case QEMU_OPTION_tpmdev:
3255 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3256 exit(1);
3257 }
3258 break;
3259 #endif
3260 case QEMU_OPTION_mempath:
3261 mem_path = optarg;
3262 break;
3263 case QEMU_OPTION_mem_prealloc:
3264 mem_prealloc = 1;
3265 break;
3266 case QEMU_OPTION_d:
3267 log_mask = optarg;
3268 break;
3269 case QEMU_OPTION_D:
3270 log_file = optarg;
3271 break;
3272 case QEMU_OPTION_DFILTER:
3273 qemu_set_dfilter_ranges(optarg, &error_fatal);
3274 break;
3275 case QEMU_OPTION_s:
3276 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3277 break;
3278 case QEMU_OPTION_gdb:
3279 add_device_config(DEV_GDB, optarg);
3280 break;
3281 case QEMU_OPTION_L:
3282 if (is_help_option(optarg)) {
3283 list_data_dirs = true;
3284 } else {
3285 qemu_add_data_dir(optarg);
3286 }
3287 break;
3288 case QEMU_OPTION_bios:
3289 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3290 &error_abort);
3291 break;
3292 case QEMU_OPTION_singlestep:
3293 singlestep = 1;
3294 break;
3295 case QEMU_OPTION_S:
3296 autostart = 0;
3297 break;
3298 case QEMU_OPTION_k:
3299 keyboard_layout = optarg;
3300 break;
3301 case QEMU_OPTION_localtime:
3302 rtc_utc = 0;
3303 warn_report("This option is deprecated, "
3304 "use '-rtc base=localtime' instead.");
3305 break;
3306 case QEMU_OPTION_vga:
3307 vga_model = optarg;
3308 default_vga = 0;
3309 break;
3310 case QEMU_OPTION_g:
3311 {
3312 const char *p;
3313 int w, h, depth;
3314 p = optarg;
3315 w = strtol(p, (char **)&p, 10);
3316 if (w <= 0) {
3317 graphic_error:
3318 error_report("invalid resolution or depth");
3319 exit(1);
3320 }
3321 if (*p != 'x')
3322 goto graphic_error;
3323 p++;
3324 h = strtol(p, (char **)&p, 10);
3325 if (h <= 0)
3326 goto graphic_error;
3327 if (*p == 'x') {
3328 p++;
3329 depth = strtol(p, (char **)&p, 10);
3330 if (depth != 8 && depth != 15 && depth != 16 &&
3331 depth != 24 && depth != 32)
3332 goto graphic_error;
3333 } else if (*p == '\0') {
3334 depth = graphic_depth;
3335 } else {
3336 goto graphic_error;
3337 }
3338
3339 graphic_width = w;
3340 graphic_height = h;
3341 graphic_depth = depth;
3342 }
3343 break;
3344 case QEMU_OPTION_echr:
3345 {
3346 char *r;
3347 term_escape_char = strtol(optarg, &r, 0);
3348 if (r == optarg)
3349 printf("Bad argument to echr\n");
3350 break;
3351 }
3352 case QEMU_OPTION_monitor:
3353 default_monitor = 0;
3354 if (strncmp(optarg, "none", 4)) {
3355 monitor_parse(optarg, "readline", false);
3356 }
3357 break;
3358 case QEMU_OPTION_qmp:
3359 monitor_parse(optarg, "control", false);
3360 default_monitor = 0;
3361 break;
3362 case QEMU_OPTION_qmp_pretty:
3363 monitor_parse(optarg, "control", true);
3364 default_monitor = 0;
3365 break;
3366 case QEMU_OPTION_mon:
3367 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3368 true);
3369 if (!opts) {
3370 exit(1);
3371 }
3372 default_monitor = 0;
3373 break;
3374 case QEMU_OPTION_chardev:
3375 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3376 optarg, true);
3377 if (!opts) {
3378 exit(1);
3379 }
3380 break;
3381 case QEMU_OPTION_fsdev:
3382 olist = qemu_find_opts("fsdev");
3383 if (!olist) {
3384 error_report("fsdev support is disabled");
3385 exit(1);
3386 }
3387 opts = qemu_opts_parse_noisily(olist, optarg, true);
3388 if (!opts) {
3389 exit(1);
3390 }
3391 break;
3392 case QEMU_OPTION_virtfs: {
3393 QemuOpts *fsdev;
3394 QemuOpts *device;
3395 const char *writeout, *sock_fd, *socket, *path, *security_model;
3396
3397 olist = qemu_find_opts("virtfs");
3398 if (!olist) {
3399 error_report("virtfs support is disabled");
3400 exit(1);
3401 }
3402 opts = qemu_opts_parse_noisily(olist, optarg, true);
3403 if (!opts) {
3404 exit(1);
3405 }
3406
3407 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3408 qemu_opt_get(opts, "mount_tag") == NULL) {
3409 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3410 exit(1);
3411 }
3412 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3413 qemu_opts_id(opts) ?:
3414 qemu_opt_get(opts, "mount_tag"),
3415 1, NULL);
3416 if (!fsdev) {
3417 error_report("duplicate or invalid fsdev id: %s",
3418 qemu_opt_get(opts, "mount_tag"));
3419 exit(1);
3420 }
3421
3422 writeout = qemu_opt_get(opts, "writeout");
3423 if (writeout) {
3424 #ifdef CONFIG_SYNC_FILE_RANGE
3425 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3426 #else
3427 error_report("writeout=immediate not supported "
3428 "on this platform");
3429 exit(1);
3430 #endif
3431 }
3432 qemu_opt_set(fsdev, "fsdriver",
3433 qemu_opt_get(opts, "fsdriver"), &error_abort);
3434 path = qemu_opt_get(opts, "path");
3435 if (path) {
3436 qemu_opt_set(fsdev, "path", path, &error_abort);
3437 }
3438 security_model = qemu_opt_get(opts, "security_model");
3439 if (security_model) {
3440 qemu_opt_set(fsdev, "security_model", security_model,
3441 &error_abort);
3442 }
3443 socket = qemu_opt_get(opts, "socket");
3444 if (socket) {
3445 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3446 }
3447 sock_fd = qemu_opt_get(opts, "sock_fd");
3448 if (sock_fd) {
3449 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3450 }
3451
3452 qemu_opt_set_bool(fsdev, "readonly",
3453 qemu_opt_get_bool(opts, "readonly", 0),
3454 &error_abort);
3455 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3456 &error_abort);
3457 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3458 qemu_opt_set(device, "fsdev",
3459 qemu_opts_id(fsdev), &error_abort);
3460 qemu_opt_set(device, "mount_tag",
3461 qemu_opt_get(opts, "mount_tag"), &error_abort);
3462 break;
3463 }
3464 case QEMU_OPTION_virtfs_synth: {
3465 QemuOpts *fsdev;
3466 QemuOpts *device;
3467
3468 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3469 1, NULL);
3470 if (!fsdev) {
3471 error_report("duplicate option: %s", "virtfs_synth");
3472 exit(1);
3473 }
3474 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3475
3476 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3477 &error_abort);
3478 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3479 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3480 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3481 break;
3482 }
3483 case QEMU_OPTION_serial:
3484 add_device_config(DEV_SERIAL, optarg);
3485 default_serial = 0;
3486 if (strncmp(optarg, "mon:", 4) == 0) {
3487 default_monitor = 0;
3488 }
3489 break;
3490 case QEMU_OPTION_watchdog:
3491 if (watchdog) {
3492 error_report("only one watchdog option may be given");
3493 return 1;
3494 }
3495 watchdog = optarg;
3496 break;
3497 case QEMU_OPTION_watchdog_action:
3498 if (select_watchdog_action(optarg) == -1) {
3499 error_report("unknown -watchdog-action parameter");
3500 exit(1);
3501 }
3502 break;
3503 case QEMU_OPTION_virtiocon:
3504 warn_report("This option is deprecated, "
3505 "use '-device virtconsole' instead");
3506 add_device_config(DEV_VIRTCON, optarg);
3507 default_virtcon = 0;
3508 if (strncmp(optarg, "mon:", 4) == 0) {
3509 default_monitor = 0;
3510 }
3511 break;
3512 case QEMU_OPTION_parallel:
3513 add_device_config(DEV_PARALLEL, optarg);
3514 default_parallel = 0;
3515 if (strncmp(optarg, "mon:", 4) == 0) {
3516 default_monitor = 0;
3517 }
3518 break;
3519 case QEMU_OPTION_debugcon:
3520 add_device_config(DEV_DEBUGCON, optarg);
3521 break;
3522 case QEMU_OPTION_loadvm:
3523 loadvm = optarg;
3524 break;
3525 case QEMU_OPTION_full_screen:
3526 dpy.has_full_screen = true;
3527 dpy.full_screen = true;
3528 break;
3529 case QEMU_OPTION_no_frame:
3530 g_printerr("The -no-frame switch is deprecated, and will be\n"
3531 "removed in a future release.\n");
3532 no_frame = 1;
3533 break;
3534 case QEMU_OPTION_alt_grab:
3535 alt_grab = 1;
3536 break;
3537 case QEMU_OPTION_ctrl_grab:
3538 ctrl_grab = 1;
3539 break;
3540 case QEMU_OPTION_no_quit:
3541 dpy.has_window_close = true;
3542 dpy.window_close = false;
3543 break;
3544 case QEMU_OPTION_sdl:
3545 #ifdef CONFIG_SDL
3546 dpy.type = DISPLAY_TYPE_SDL;
3547 break;
3548 #else
3549 error_report("SDL support is disabled");
3550 exit(1);
3551 #endif
3552 case QEMU_OPTION_pidfile:
3553 pid_file = optarg;
3554 break;
3555 case QEMU_OPTION_win2k_hack:
3556 win2k_install_hack = 1;
3557 break;
3558 case QEMU_OPTION_rtc_td_hack: {
3559 static GlobalProperty slew_lost_ticks = {
3560 .driver = "mc146818rtc",
3561 .property = "lost_tick_policy",
3562 .value = "slew",
3563 };
3564
3565 qdev_prop_register_global(&slew_lost_ticks);
3566 warn_report("This option is deprecated, "
3567 "use '-rtc driftfix=slew' instead.");
3568 break;
3569 }
3570 case QEMU_OPTION_acpitable:
3571 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3572 optarg, true);
3573 if (!opts) {
3574 exit(1);
3575 }
3576 acpi_table_add(opts, &error_fatal);
3577 break;
3578 case QEMU_OPTION_smbios:
3579 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3580 optarg, false);
3581 if (!opts) {
3582 exit(1);
3583 }
3584 smbios_entry_add(opts, &error_fatal);
3585 break;
3586 case QEMU_OPTION_fwcfg:
3587 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3588 optarg, true);
3589 if (opts == NULL) {
3590 exit(1);
3591 }
3592 break;
3593 case QEMU_OPTION_preconfig:
3594 preconfig_exit_requested = false;
3595 break;
3596 case QEMU_OPTION_enable_kvm:
3597 olist = qemu_find_opts("machine");
3598 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3599 break;
3600 case QEMU_OPTION_enable_hax:
3601 warn_report("Option is deprecated, use '-accel hax' instead");
3602 olist = qemu_find_opts("machine");
3603 qemu_opts_parse_noisily(olist, "accel=hax", false);
3604 break;
3605 case QEMU_OPTION_M:
3606 case QEMU_OPTION_machine:
3607 olist = qemu_find_opts("machine");
3608 opts = qemu_opts_parse_noisily(olist, optarg, true);
3609 if (!opts) {
3610 exit(1);
3611 }
3612 break;
3613 case QEMU_OPTION_no_kvm:
3614 olist = qemu_find_opts("machine");
3615 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3616 break;
3617 case QEMU_OPTION_accel:
3618 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3619 optarg, true);
3620 optarg = qemu_opt_get(accel_opts, "accel");
3621 if (!optarg || is_help_option(optarg)) {
3622 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3623 exit(0);
3624 }
3625 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3626 false, &error_abort);
3627 qemu_opt_set(opts, "accel", optarg, &error_abort);
3628 break;
3629 case QEMU_OPTION_usb:
3630 olist = qemu_find_opts("machine");
3631 qemu_opts_parse_noisily(olist, "usb=on", false);
3632 break;
3633 case QEMU_OPTION_usbdevice:
3634 error_report("'-usbdevice' is deprecated, please use "
3635 "'-device usb-...' instead");
3636 olist = qemu_find_opts("machine");
3637 qemu_opts_parse_noisily(olist, "usb=on", false);
3638 add_device_config(DEV_USB, optarg);
3639 break;
3640 case QEMU_OPTION_device:
3641 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3642 optarg, true)) {
3643 exit(1);
3644 }
3645 break;
3646 case QEMU_OPTION_smp:
3647 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3648 optarg, true)) {
3649 exit(1);
3650 }
3651 break;
3652 case QEMU_OPTION_vnc:
3653 vnc_parse(optarg, &error_fatal);
3654 break;
3655 case QEMU_OPTION_no_acpi:
3656 acpi_enabled = 0;
3657 break;
3658 case QEMU_OPTION_no_hpet:
3659 no_hpet = 1;
3660 break;
3661 case QEMU_OPTION_balloon:
3662 if (balloon_parse(optarg) < 0) {
3663 error_report("unknown -balloon argument %s", optarg);
3664 exit(1);
3665 }
3666 break;
3667 case QEMU_OPTION_no_reboot:
3668 no_reboot = 1;
3669 break;
3670 case QEMU_OPTION_no_shutdown:
3671 no_shutdown = 1;
3672 break;
3673 case QEMU_OPTION_show_cursor:
3674 cursor_hide = 0;
3675 break;
3676 case QEMU_OPTION_uuid:
3677 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3678 error_report("failed to parse UUID string: wrong format");
3679 exit(1);
3680 }
3681 qemu_uuid_set = true;
3682 break;
3683 case QEMU_OPTION_option_rom:
3684 if (nb_option_roms >= MAX_OPTION_ROMS) {
3685 error_report("too many option ROMs");
3686 exit(1);
3687 }
3688 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3689 optarg, true);
3690 if (!opts) {
3691 exit(1);
3692 }
3693 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3694 option_rom[nb_option_roms].bootindex =
3695 qemu_opt_get_number(opts, "bootindex", -1);
3696 if (!option_rom[nb_option_roms].name) {
3697 error_report("Option ROM file is not specified");
3698 exit(1);
3699 }
3700 nb_option_roms++;
3701 break;
3702 case QEMU_OPTION_semihosting:
3703 semihosting.enabled = true;
3704 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3705 break;
3706 case QEMU_OPTION_semihosting_config:
3707 semihosting.enabled = true;
3708 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3709 optarg, false);
3710 if (opts != NULL) {
3711 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3712 true);
3713 const char *target = qemu_opt_get(opts, "target");
3714 if (target != NULL) {
3715 if (strcmp("native", target) == 0) {
3716 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3717 } else if (strcmp("gdb", target) == 0) {
3718 semihosting.target = SEMIHOSTING_TARGET_GDB;
3719 } else if (strcmp("auto", target) == 0) {
3720 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3721 } else {
3722 error_report("unsupported semihosting-config %s",
3723 optarg);
3724 exit(1);
3725 }
3726 } else {
3727 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3728 }
3729 /* Set semihosting argument count and vector */
3730 qemu_opt_foreach(opts, add_semihosting_arg,
3731 &semihosting, NULL);
3732 } else {
3733 error_report("unsupported semihosting-config %s", optarg);
3734 exit(1);
3735 }
3736 break;
3737 case QEMU_OPTION_name:
3738 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3739 optarg, true);
3740 if (!opts) {
3741 exit(1);
3742 }
3743 break;
3744 case QEMU_OPTION_prom_env:
3745 if (nb_prom_envs >= MAX_PROM_ENVS) {
3746 error_report("too many prom variables");
3747 exit(1);
3748 }
3749 prom_envs[nb_prom_envs] = optarg;
3750 nb_prom_envs++;
3751 break;
3752 case QEMU_OPTION_old_param:
3753 old_param = 1;
3754 break;
3755 case QEMU_OPTION_clock:
3756 /* Clock options no longer exist. Keep this option for
3757 * backward compatibility.
3758 */
3759 warn_report("This option is ignored and will be removed soon");
3760 break;
3761 case QEMU_OPTION_startdate:
3762 warn_report("This option is deprecated, use '-rtc base=' instead.");
3763 configure_rtc_date_offset(optarg, 1);
3764 break;
3765 case QEMU_OPTION_rtc:
3766 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3767 false);
3768 if (!opts) {
3769 exit(1);
3770 }
3771 configure_rtc(opts);
3772 break;
3773 case QEMU_OPTION_tb_size:
3774 #ifndef CONFIG_TCG
3775 error_report("TCG is disabled");
3776 exit(1);
3777 #endif
3778 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3779 error_report("Invalid argument to -tb-size");
3780 exit(1);
3781 }
3782 break;
3783 case QEMU_OPTION_icount:
3784 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3785 optarg, true);
3786 if (!icount_opts) {
3787 exit(1);
3788 }
3789 break;
3790 case QEMU_OPTION_incoming:
3791 if (!incoming) {
3792 runstate_set(RUN_STATE_INMIGRATE);
3793 }
3794 incoming = optarg;
3795 break;
3796 case QEMU_OPTION_only_migratable:
3797 /*
3798 * TODO: we can remove this option one day, and we
3799 * should all use:
3800 *
3801 * "-global migration.only-migratable=true"
3802 */
3803 qemu_global_option("migration.only-migratable=true");
3804 break;
3805 case QEMU_OPTION_nodefaults:
3806 has_defaults = 0;
3807 break;
3808 case QEMU_OPTION_xen_domid:
3809 if (!(xen_available())) {
3810 error_report("Option not supported for this target");
3811 exit(1);
3812 }
3813 xen_domid = atoi(optarg);
3814 break;
3815 case QEMU_OPTION_xen_create:
3816 if (!(xen_available())) {
3817 error_report("Option not supported for this target");
3818 exit(1);
3819 }
3820 xen_mode = XEN_CREATE;
3821 break;
3822 case QEMU_OPTION_xen_attach:
3823 if (!(xen_available())) {
3824 error_report("Option not supported for this target");
3825 exit(1);
3826 }
3827 xen_mode = XEN_ATTACH;
3828 break;
3829 case QEMU_OPTION_xen_domid_restrict:
3830 if (!(xen_available())) {
3831 error_report("Option not supported for this target");
3832 exit(1);
3833 }
3834 xen_domid_restrict = true;
3835 break;
3836 case QEMU_OPTION_trace:
3837 g_free(trace_file);
3838 trace_file = trace_opt_parse(optarg);
3839 break;
3840 case QEMU_OPTION_readconfig:
3841 {
3842 int ret = qemu_read_config_file(optarg);
3843 if (ret < 0) {
3844 error_report("read config %s: %s", optarg,
3845 strerror(-ret));
3846 exit(1);
3847 }
3848 break;
3849 }
3850 case QEMU_OPTION_spice:
3851 olist = qemu_find_opts("spice");
3852 if (!olist) {
3853 error_report("spice support is disabled");
3854 exit(1);
3855 }
3856 opts = qemu_opts_parse_noisily(olist, optarg, false);
3857 if (!opts) {
3858 exit(1);
3859 }
3860 display_remote++;
3861 break;
3862 case QEMU_OPTION_writeconfig:
3863 {
3864 FILE *fp;
3865 if (strcmp(optarg, "-") == 0) {
3866 fp = stdout;
3867 } else {
3868 fp = fopen(optarg, "w");
3869 if (fp == NULL) {
3870 error_report("open %s: %s", optarg,
3871 strerror(errno));
3872 exit(1);
3873 }
3874 }
3875 qemu_config_write(fp);
3876 if (fp != stdout) {
3877 fclose(fp);
3878 }
3879 break;
3880 }
3881 case QEMU_OPTION_qtest:
3882 qtest_chrdev = optarg;
3883 break;
3884 case QEMU_OPTION_qtest_log:
3885 qtest_log = optarg;
3886 break;
3887 case QEMU_OPTION_sandbox:
3888 #ifdef CONFIG_SECCOMP
3889 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3890 optarg, true);
3891 if (!opts) {
3892 exit(1);
3893 }
3894 #else
3895 error_report("-sandbox support is not enabled "
3896 "in this QEMU binary");
3897 exit(1);
3898 #endif
3899 break;
3900 case QEMU_OPTION_add_fd:
3901 #ifndef _WIN32
3902 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3903 optarg, false);
3904 if (!opts) {
3905 exit(1);
3906 }
3907 #else
3908 error_report("File descriptor passing is disabled on this "
3909 "platform");
3910 exit(1);
3911 #endif
3912 break;
3913 case QEMU_OPTION_object:
3914 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3915 optarg, true);
3916 if (!opts) {
3917 exit(1);
3918 }
3919 break;
3920 case QEMU_OPTION_realtime:
3921 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3922 optarg, false);
3923 if (!opts) {
3924 exit(1);
3925 }
3926 /* Don't override the -overcommit option if set */
3927 enable_mlock = enable_mlock ||
3928 qemu_opt_get_bool(opts, "mlock", true);
3929 break;
3930 case QEMU_OPTION_overcommit:
3931 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3932 optarg, false);
3933 if (!opts) {
3934 exit(1);
3935 }
3936 /* Don't override the -realtime option if set */
3937 enable_mlock = enable_mlock ||
3938 qemu_opt_get_bool(opts, "mem-lock", false);
3939 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3940 break;
3941 case QEMU_OPTION_msg:
3942 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3943 false);
3944 if (!opts) {
3945 exit(1);
3946 }
3947 configure_msg(opts);
3948 break;
3949 case QEMU_OPTION_dump_vmstate:
3950 if (vmstate_dump_file) {
3951 error_report("only one '-dump-vmstate' "
3952 "option may be given");
3953 exit(1);
3954 }
3955 vmstate_dump_file = fopen(optarg, "w");
3956 if (vmstate_dump_file == NULL) {
3957 error_report("open %s: %s", optarg, strerror(errno));
3958 exit(1);
3959 }
3960 break;
3961 case QEMU_OPTION_nodefconfig:
3962 case QEMU_OPTION_nouserconfig:
3963 /* Nothing to be parsed here. Especially, do not error out below. */
3964 break;
3965 default:
3966 if (os_parse_cmd_args(popt->index, optarg)) {
3967 error_report("Option not supported in this build");
3968 exit(1);
3969 }
3970 }
3971 }
3972 }
3973 /*
3974 * Clear error location left behind by the loop.
3975 * Best done right after the loop. Do not insert code here!
3976 */
3977 loc_set_none();
3978
3979 replay_configure(icount_opts);
3980
3981 if (incoming && !preconfig_exit_requested) {
3982 error_report("'preconfig' and 'incoming' options are "
3983 "mutually exclusive");
3984 exit(EXIT_FAILURE);
3985 }
3986
3987 machine_class = select_machine();
3988
3989 set_memory_options(&ram_slots, &maxram_size, machine_class);
3990
3991 os_daemonize();
3992 rcu_disable_atfork();
3993
3994 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3995 error_report("could not acquire pid file: %s", strerror(errno));
3996 exit(1);
3997 }
3998
3999 if (qemu_init_main_loop(&main_loop_err)) {
4000 error_report_err(main_loop_err);
4001 exit(1);
4002 }
4003
4004 #ifdef CONFIG_SECCOMP
4005 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4006 parse_sandbox, NULL, NULL)) {
4007 exit(1);
4008 }
4009 #endif
4010
4011 if (qemu_opts_foreach(qemu_find_opts("name"),
4012 parse_name, NULL, NULL)) {
4013 exit(1);
4014 }
4015
4016 #ifndef _WIN32
4017 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4018 parse_add_fd, NULL, NULL)) {
4019 exit(1);
4020 }
4021
4022 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4023 cleanup_add_fd, NULL, NULL)) {
4024 exit(1);
4025 }
4026 #endif
4027
4028 current_machine = MACHINE(object_new(object_class_get_name(
4029 OBJECT_CLASS(machine_class))));
4030 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4031 exit(0);
4032 }
4033 object_property_add_child(object_get_root(), "machine",
4034 OBJECT(current_machine), &error_abort);
4035
4036 if (machine_class->minimum_page_bits) {
4037 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4038 /* This would be a board error: specifying a minimum smaller than
4039 * a target's compile-time fixed setting.
4040 */
4041 g_assert_not_reached();
4042 }
4043 }
4044
4045 cpu_exec_init_all();
4046
4047 if (machine_class->hw_version) {
4048 qemu_set_hw_version(machine_class->hw_version);
4049 }
4050
4051 if (cpu_model && is_help_option(cpu_model)) {
4052 list_cpus(stdout, &fprintf, cpu_model);
4053 exit(0);
4054 }
4055
4056 if (!trace_init_backends()) {
4057 exit(1);
4058 }
4059 trace_init_file(trace_file);
4060
4061 /* Open the logfile at this point and set the log mask if necessary.
4062 */
4063 if (log_file) {
4064 qemu_set_log_filename(log_file, &error_fatal);
4065 }
4066
4067 if (log_mask) {
4068 int mask;
4069 mask = qemu_str_to_log_mask(log_mask);
4070 if (!mask) {
4071 qemu_print_log_usage(stdout);
4072 exit(1);
4073 }
4074 qemu_set_log(mask);
4075 } else {
4076 qemu_set_log(0);
4077 }
4078
4079 /* add configured firmware directories */
4080 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4081 for (i = 0; dirs[i] != NULL; i++) {
4082 qemu_add_data_dir(dirs[i]);
4083 }
4084 g_strfreev(dirs);
4085
4086 /* try to find datadir relative to the executable path */
4087 dir = os_find_datadir();
4088 qemu_add_data_dir(dir);
4089 g_free(dir);
4090
4091 /* add the datadir specified when building */
4092 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4093
4094 /* -L help lists the data directories and exits. */
4095 if (list_data_dirs) {
4096 for (i = 0; i < data_dir_idx; i++) {
4097 printf("%s\n", data_dir[i]);
4098 }
4099 exit(0);
4100 }
4101
4102 /* machine_class: default to UP */
4103 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4104 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4105 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4106
4107 /* default to machine_class->default_cpus */
4108 smp_cpus = machine_class->default_cpus;
4109 max_cpus = machine_class->default_cpus;
4110
4111 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4112
4113 /* sanity-check smp_cpus and max_cpus against machine_class */
4114 if (smp_cpus < machine_class->min_cpus) {
4115 error_report("Invalid SMP CPUs %d. The min CPUs "
4116 "supported by machine '%s' is %d", smp_cpus,
4117 machine_class->name, machine_class->min_cpus);
4118 exit(1);
4119 }
4120 if (max_cpus > machine_class->max_cpus) {
4121 error_report("Invalid SMP CPUs %d. The max CPUs "
4122 "supported by machine '%s' is %d", max_cpus,
4123 machine_class->name, machine_class->max_cpus);
4124 exit(1);
4125 }
4126
4127 /*
4128 * Get the default machine options from the machine if it is not already
4129 * specified either by the configuration file or by the command line.
4130 */
4131 if (machine_class->default_machine_opts) {
4132 qemu_opts_set_defaults(qemu_find_opts("machine"),
4133 machine_class->default_machine_opts, 0);
4134 }
4135
4136 qemu_opts_foreach(qemu_find_opts("device"),
4137 default_driver_check, NULL, NULL);
4138 qemu_opts_foreach(qemu_find_opts("global"),
4139 default_driver_check, NULL, NULL);
4140
4141 if (!vga_model && !default_vga) {
4142 vga_interface_type = VGA_DEVICE;
4143 }
4144 if (!has_defaults || machine_class->no_serial) {
4145 default_serial = 0;
4146 }
4147 if (!has_defaults || machine_class->no_parallel) {
4148 default_parallel = 0;
4149 }
4150 if (!has_defaults || !machine_class->use_virtcon) {
4151 default_virtcon = 0;
4152 }
4153 if (!has_defaults || machine_class->no_floppy) {
4154 default_floppy = 0;
4155 }
4156 if (!has_defaults || machine_class->no_cdrom) {
4157 default_cdrom = 0;
4158 }
4159 if (!has_defaults || machine_class->no_sdcard) {
4160 default_sdcard = 0;
4161 }
4162 if (!has_defaults) {
4163 default_monitor = 0;
4164 default_net = 0;
4165 default_vga = 0;
4166 }
4167
4168 if (is_daemonized()) {
4169 if (!preconfig_exit_requested) {
4170 error_report("'preconfig' and 'daemonize' options are "
4171 "mutually exclusive");
4172 exit(EXIT_FAILURE);
4173 }
4174
4175 /* According to documentation and historically, -nographic redirects
4176 * serial port, parallel port and monitor to stdio, which does not work
4177 * with -daemonize. We can redirect these to null instead, but since
4178 * -nographic is legacy, let's just error out.
4179 * We disallow -nographic only if all other ports are not redirected
4180 * explicitly, to not break existing legacy setups which uses
4181 * -nographic _and_ redirects all ports explicitly - this is valid
4182 * usage, -nographic is just a no-op in this case.
4183 */
4184 if (nographic
4185 && (default_parallel || default_serial
4186 || default_monitor || default_virtcon)) {
4187 error_report("-nographic cannot be used with -daemonize");
4188 exit(1);
4189 }
4190 #ifdef CONFIG_CURSES
4191 if (dpy.type == DISPLAY_TYPE_CURSES) {
4192 error_report("curses display cannot be used with -daemonize");
4193 exit(1);
4194 }
4195 #endif
4196 }
4197
4198 if (nographic) {
4199 if (default_parallel)
4200 add_device_config(DEV_PARALLEL, "null");
4201 if (default_serial && default_monitor) {
4202 add_device_config(DEV_SERIAL, "mon:stdio");
4203 } else if (default_virtcon && default_monitor) {
4204 add_device_config(DEV_VIRTCON, "mon:stdio");
4205 } else {
4206 if (default_serial)
4207 add_device_config(DEV_SERIAL, "stdio");
4208 if (default_virtcon)
4209 add_device_config(DEV_VIRTCON, "stdio");
4210 if (default_monitor)
4211 monitor_parse("stdio", "readline", false);
4212 }
4213 } else {
4214 if (default_serial)
4215 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4216 if (default_parallel)
4217 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4218 if (default_monitor)
4219 monitor_parse("vc:80Cx24C", "readline", false);
4220 if (default_virtcon)
4221 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4222 }
4223
4224 #if defined(CONFIG_VNC)
4225 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4226 display_remote++;
4227 }
4228 #endif
4229 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4230 if (!qemu_display_find_default(&dpy)) {
4231 dpy.type = DISPLAY_TYPE_NONE;
4232 #if defined(CONFIG_VNC)
4233 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4234 #endif
4235 }
4236 }
4237 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4238 dpy.type = DISPLAY_TYPE_NONE;
4239 }
4240
4241 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4242 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4243 "for SDL, ignoring option");
4244 }
4245 if (dpy.has_window_close &&
4246 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4247 error_report("-no-quit is only valid for GTK and SDL, "
4248 "ignoring option");
4249 }
4250
4251 qemu_display_early_init(&dpy);
4252 qemu_console_early_init();
4253
4254 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4255 #if defined(CONFIG_OPENGL)
4256 error_report("OpenGL is not supported by the display");
4257 #else
4258 error_report("OpenGL support is disabled");
4259 #endif
4260 exit(1);
4261 }
4262
4263 page_size_init();
4264 socket_init();
4265
4266 if (qemu_opts_foreach(qemu_find_opts("object"),
4267 user_creatable_add_opts_foreach,
4268 object_create_initial, NULL)) {
4269 exit(1);
4270 }
4271
4272 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4273 chardev_init_func, NULL, NULL)) {
4274 exit(1);
4275 }
4276
4277 #ifdef CONFIG_VIRTFS
4278 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4279 fsdev_init_func, NULL, NULL)) {
4280 exit(1);
4281 }
4282 #endif
4283
4284 if (qemu_opts_foreach(qemu_find_opts("device"),
4285 device_help_func, NULL, NULL)) {
4286 exit(0);
4287 }
4288
4289 machine_opts = qemu_get_machine_opts();
4290 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4291 NULL)) {
4292 object_unref(OBJECT(current_machine));
4293 exit(1);
4294 }
4295
4296 configure_accelerator(current_machine);
4297
4298 if (!qtest_enabled() && machine_class->deprecation_reason) {
4299 error_report("Machine type '%s' is deprecated: %s",
4300 machine_class->name, machine_class->deprecation_reason);
4301 }
4302
4303 /*
4304 * Register all the global properties, including accel properties,
4305 * machine properties, and user-specified ones.
4306 */
4307 register_global_properties(current_machine);
4308
4309 /*
4310 * Migration object can only be created after global properties
4311 * are applied correctly.
4312 */
4313 migration_object_init();
4314
4315 if (qtest_chrdev) {
4316 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4317 }
4318
4319 machine_opts = qemu_get_machine_opts();
4320 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4321 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4322 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4323 bios_name = qemu_opt_get(machine_opts, "firmware");
4324
4325 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4326 if (opts) {
4327 boot_order = qemu_opt_get(opts, "order");
4328 if (boot_order) {
4329 validate_bootdevices(boot_order, &error_fatal);
4330 }
4331
4332 boot_once = qemu_opt_get(opts, "once");
4333 if (boot_once) {
4334 validate_bootdevices(boot_once, &error_fatal);
4335 }
4336
4337 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4338 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4339 }
4340
4341 if (!boot_order) {
4342 boot_order = machine_class->default_boot_order;
4343 }
4344
4345 if (!kernel_cmdline) {
4346 kernel_cmdline = "";
4347 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4348 }
4349
4350 linux_boot = (kernel_filename != NULL);
4351
4352 if (!linux_boot && *kernel_cmdline != '\0') {
4353 error_report("-append only allowed with -kernel option");
4354 exit(1);
4355 }
4356
4357 if (!linux_boot && initrd_filename != NULL) {
4358 error_report("-initrd only allowed with -kernel option");
4359 exit(1);
4360 }
4361
4362 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4363 /* fall back to the -kernel/-append */
4364 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4365 }
4366
4367 os_set_line_buffering();
4368
4369 /* spice needs the timers to be initialized by this point */
4370 qemu_spice_init();
4371
4372 cpu_ticks_init();
4373 if (icount_opts) {
4374 if (!tcg_enabled()) {
4375 error_report("-icount is not allowed with hardware virtualization");
4376 exit(1);
4377 }
4378 configure_icount(icount_opts, &error_abort);
4379 qemu_opts_del(icount_opts);
4380 }
4381
4382 if (tcg_enabled()) {
4383 qemu_tcg_configure(accel_opts, &error_fatal);
4384 }
4385
4386 if (default_net) {
4387 QemuOptsList *net = qemu_find_opts("net");
4388 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4389 #ifdef CONFIG_SLIRP
4390 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4391 #endif
4392 }
4393
4394 colo_info_init();
4395
4396 if (net_init_clients(&err) < 0) {
4397 error_report_err(err);
4398 exit(1);
4399 }
4400
4401 if (qemu_opts_foreach(qemu_find_opts("object"),
4402 user_creatable_add_opts_foreach,
4403 object_create_delayed, NULL)) {
4404 exit(1);
4405 }
4406
4407 if (tpm_init() < 0) {
4408 exit(1);
4409 }
4410
4411 /* init the bluetooth world */
4412 if (foreach_device_config(DEV_BT, bt_parse))
4413 exit(1);
4414
4415 if (!xen_enabled()) {
4416 /* On 32-bit hosts, QEMU is limited by virtual address space */
4417 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4418 error_report("at most 2047 MB RAM can be simulated");
4419 exit(1);
4420 }
4421 }
4422
4423 blk_mig_init();
4424 ram_mig_init();
4425 dirty_bitmap_mig_init();
4426
4427 /* If the currently selected machine wishes to override the units-per-bus
4428 * property of its default HBA interface type, do so now. */
4429 if (machine_class->units_per_default_bus) {
4430 override_max_devs(machine_class->block_default_type,
4431 machine_class->units_per_default_bus);
4432 }
4433
4434 /* open the virtual block devices */
4435 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4436 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4437
4438 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4439 loc_push_restore(&bdo->loc);
4440 qmp_blockdev_add(bdo->bdo, &error_fatal);
4441 loc_pop(&bdo->loc);
4442 qapi_free_BlockdevOptions(bdo->bdo);
4443 g_free(bdo);
4444 }
4445 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4446 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4447 NULL, NULL);
4448 }
4449 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4450 &machine_class->block_default_type, NULL)) {
4451 exit(1);
4452 }
4453
4454 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4455 CDROM_OPTS);
4456 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4457 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4458
4459 if (qemu_opts_foreach(qemu_find_opts("mon"),
4460 mon_init_func, NULL, NULL)) {
4461 exit(1);
4462 }
4463
4464 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4465 exit(1);
4466 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4467 exit(1);
4468 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4469 exit(1);
4470 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4471 exit(1);
4472
4473 /* If no default VGA is requested, the default is "none". */
4474 if (default_vga) {
4475 if (machine_class->default_display) {
4476 vga_model = machine_class->default_display;
4477 } else if (vga_interface_available(VGA_CIRRUS)) {
4478 vga_model = "cirrus";
4479 } else if (vga_interface_available(VGA_STD)) {
4480 vga_model = "std";
4481 }
4482 }
4483 if (vga_model) {
4484 select_vgahw(vga_model);
4485 }
4486
4487 if (watchdog) {
4488 i = select_watchdog(watchdog);
4489 if (i > 0)
4490 exit (i == 1 ? 1 : 0);
4491 }
4492
4493 /* This checkpoint is required by replay to separate prior clock
4494 reading from the other reads, because timer polling functions query
4495 clock values from the log. */
4496 replay_checkpoint(CHECKPOINT_INIT);
4497 qdev_machine_init();
4498
4499 current_machine->ram_size = ram_size;
4500 current_machine->maxram_size = maxram_size;
4501 current_machine->ram_slots = ram_slots;
4502 current_machine->boot_order = boot_order;
4503
4504 /* parse features once if machine provides default cpu_type */
4505 current_machine->cpu_type = machine_class->default_cpu_type;
4506 if (cpu_model) {
4507 current_machine->cpu_type = parse_cpu_model(cpu_model);
4508 }
4509 parse_numa_opts(current_machine);
4510
4511 /* do monitor/qmp handling at preconfig state if requested */
4512 main_loop();
4513
4514 /* from here on runstate is RUN_STATE_PRELAUNCH */
4515 machine_run_board_init(current_machine);
4516
4517 realtime_init();
4518
4519 soundhw_init();
4520
4521 if (hax_enabled()) {
4522 hax_sync_vcpus();
4523 }
4524
4525 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4526 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4527 exit(1);
4528 }
4529
4530 /* init USB devices */
4531 if (machine_usb(current_machine)) {
4532 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4533 exit(1);
4534 }
4535
4536 /* Check if IGD GFX passthrough. */
4537 igd_gfx_passthru();
4538
4539 /* init generic devices */
4540 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4541 if (qemu_opts_foreach(qemu_find_opts("device"),
4542 device_init_func, NULL, NULL)) {
4543 exit(1);
4544 }
4545
4546 cpu_synchronize_all_post_init();
4547
4548 rom_reset_order_override();
4549
4550 /* Did we create any drives that we failed to create a device for? */
4551 drive_check_orphaned();
4552
4553 /* Don't warn about the default network setup that you get if
4554 * no command line -net or -netdev options are specified. There
4555 * are two cases that we would otherwise complain about:
4556 * (1) board doesn't support a NIC but the implicit "-net nic"
4557 * requested one
4558 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4559 * sets up a nic that isn't connected to anything.
4560 */
4561 if (!default_net) {
4562 net_check_clients();
4563 }
4564
4565
4566 if (boot_once) {
4567 qemu_boot_set(boot_once, &error_fatal);
4568 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4569 }
4570
4571 /* init local displays */
4572 ds = init_displaystate();
4573 qemu_display_init(ds, &dpy);
4574
4575 /* must be after terminal init, SDL library changes signal handlers */
4576 os_setup_signal_handling();
4577
4578 /* init remote displays */
4579 #ifdef CONFIG_VNC
4580 qemu_opts_foreach(qemu_find_opts("vnc"),
4581 vnc_init_func, NULL, NULL);
4582 #endif
4583
4584 if (using_spice) {
4585 qemu_spice_display_init();
4586 }
4587
4588 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4589 exit(1);
4590 }
4591
4592 qdev_machine_creation_done();
4593
4594 /* TODO: once all bus devices are qdevified, this should be done
4595 * when bus is created by qdev.c */
4596 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4597 qemu_run_machine_init_done_notifiers();
4598
4599 if (rom_check_and_register_reset() != 0) {
4600 error_report("rom check and register reset failed");
4601 exit(1);
4602 }
4603
4604 replay_start();
4605
4606 /* This checkpoint is required by replay to separate prior clock
4607 reading from the other reads, because timer polling functions query
4608 clock values from the log. */
4609 replay_checkpoint(CHECKPOINT_RESET);
4610 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4611 register_global_state();
4612 if (replay_mode != REPLAY_MODE_NONE) {
4613 replay_vmstate_init();
4614 } else if (loadvm) {
4615 Error *local_err = NULL;
4616 if (load_snapshot(loadvm, &local_err) < 0) {
4617 error_report_err(local_err);
4618 autostart = 0;
4619 }
4620 }
4621
4622 qdev_prop_check_globals();
4623 if (vmstate_dump_file) {
4624 /* dump and exit */
4625 dump_vmstate_json_to_file(vmstate_dump_file);
4626 return 0;
4627 }
4628
4629 if (incoming) {
4630 Error *local_err = NULL;
4631 qemu_start_incoming_migration(incoming, &local_err);
4632 if (local_err) {
4633 error_reportf_err(local_err, "-incoming %s: ", incoming);
4634 exit(1);
4635 }
4636 } else if (autostart) {
4637 vm_start();
4638 }
4639
4640 accel_setup_post(current_machine);
4641 os_setup_post();
4642
4643 main_loop();
4644
4645 gdbserver_cleanup();
4646
4647 /* No more vcpu or device emulation activity beyond this point */
4648 vm_shutdown();
4649
4650 job_cancel_sync_all();
4651 bdrv_close_all();
4652
4653 res_free();
4654
4655 /* vhost-user must be cleaned up before chardevs. */
4656 tpm_cleanup();
4657 net_cleanup();
4658 audio_cleanup();
4659 monitor_cleanup();
4660 qemu_chr_cleanup();
4661 user_creatable_cleanup();
4662 migration_object_finalize();
4663 /* TODO: unref root container, check all devices are ok */
4664
4665 return 0;
4666 }
QEmu