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vl.c deprecate incorrect CPUs topology
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
133
134 #define MAX_VIRTIO_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int display_opengl;
141 const char* keyboard_layout = NULL;
142 ram_addr_t ram_size;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 bool enable_cpu_pm = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static enum {
151 RTC_BASE_UTC,
152 RTC_BASE_LOCALTIME,
153 RTC_BASE_DATETIME,
154 } rtc_base_type = RTC_BASE_UTC;
155 static time_t rtc_ref_start_datetime;
156 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
157 static int rtc_host_datetime_offset = -1; /* valid & used only with
158 RTC_BASE_DATETIME */
159 QEMUClockType rtc_clock;
160 int vga_interface_type = VGA_NONE;
161 static DisplayOptions dpy;
162 int no_frame;
163 static int num_serial_hds;
164 static Chardev **serial_hds;
165 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
166 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
167 int win2k_install_hack = 0;
168 int singlestep = 0;
169 int smp_cpus;
170 unsigned int max_cpus;
171 int smp_cores = 1;
172 int smp_threads = 1;
173 int acpi_enabled = 1;
174 int no_hpet = 0;
175 int fd_bootchk = 1;
176 static int no_reboot;
177 int no_shutdown = 0;
178 int cursor_hide = 1;
179 int graphic_rotate = 0;
180 const char *watchdog;
181 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
182 int nb_option_roms;
183 int old_param = 0;
184 const char *qemu_name;
185 int alt_grab = 0;
186 int ctrl_grab = 0;
187 unsigned int nb_prom_envs = 0;
188 const char *prom_envs[MAX_PROM_ENVS];
189 int boot_menu;
190 bool boot_strict;
191 uint8_t *boot_splash_filedata;
192 size_t boot_splash_filedata_size;
193 uint8_t qemu_extra_params_fw[2];
194
195 int icount_align_option;
196
197 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
198 * little-endian "wire format" described in the SMBIOS 2.6 specification.
199 */
200 QemuUUID qemu_uuid;
201 bool qemu_uuid_set;
202
203 static NotifierList exit_notifiers =
204 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
205
206 static NotifierList machine_init_done_notifiers =
207 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
208
209 bool xen_allowed;
210 uint32_t xen_domid;
211 enum xen_mode xen_mode = XEN_EMULATE;
212 bool xen_domid_restrict;
213
214 static int has_defaults = 1;
215 static int default_serial = 1;
216 static int default_parallel = 1;
217 static int default_virtcon = 1;
218 static int default_monitor = 1;
219 static int default_floppy = 1;
220 static int default_cdrom = 1;
221 static int default_sdcard = 1;
222 static int default_vga = 1;
223 static int default_net = 1;
224
225 static struct {
226 const char *driver;
227 int *flag;
228 } default_list[] = {
229 { .driver = "isa-serial", .flag = &default_serial },
230 { .driver = "isa-parallel", .flag = &default_parallel },
231 { .driver = "isa-fdc", .flag = &default_floppy },
232 { .driver = "floppy", .flag = &default_floppy },
233 { .driver = "ide-cd", .flag = &default_cdrom },
234 { .driver = "ide-hd", .flag = &default_cdrom },
235 { .driver = "ide-drive", .flag = &default_cdrom },
236 { .driver = "scsi-cd", .flag = &default_cdrom },
237 { .driver = "scsi-hd", .flag = &default_cdrom },
238 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
239 { .driver = "virtio-serial", .flag = &default_virtcon },
240 { .driver = "VGA", .flag = &default_vga },
241 { .driver = "isa-vga", .flag = &default_vga },
242 { .driver = "cirrus-vga", .flag = &default_vga },
243 { .driver = "isa-cirrus-vga", .flag = &default_vga },
244 { .driver = "vmware-svga", .flag = &default_vga },
245 { .driver = "qxl-vga", .flag = &default_vga },
246 { .driver = "virtio-vga", .flag = &default_vga },
247 };
248
249 static QemuOptsList qemu_rtc_opts = {
250 .name = "rtc",
251 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
252 .merge_lists = true,
253 .desc = {
254 {
255 .name = "base",
256 .type = QEMU_OPT_STRING,
257 },{
258 .name = "clock",
259 .type = QEMU_OPT_STRING,
260 },{
261 .name = "driftfix",
262 .type = QEMU_OPT_STRING,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_option_rom_opts = {
269 .name = "option-rom",
270 .implied_opt_name = "romfile",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
272 .desc = {
273 {
274 .name = "bootindex",
275 .type = QEMU_OPT_NUMBER,
276 }, {
277 .name = "romfile",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_machine_opts = {
285 .name = "machine",
286 .implied_opt_name = "type",
287 .merge_lists = true,
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
289 .desc = {
290 /*
291 * no elements => accept any
292 * sanity checking will happen later
293 * when setting machine properties
294 */
295 { }
296 },
297 };
298
299 static QemuOptsList qemu_accel_opts = {
300 .name = "accel",
301 .implied_opt_name = "accel",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
303 .merge_lists = true,
304 .desc = {
305 {
306 .name = "accel",
307 .type = QEMU_OPT_STRING,
308 .help = "Select the type of accelerator",
309 },
310 {
311 .name = "thread",
312 .type = QEMU_OPT_STRING,
313 .help = "Enable/disable multi-threaded TCG",
314 },
315 { /* end of list */ }
316 },
317 };
318
319 static QemuOptsList qemu_boot_opts = {
320 .name = "boot-opts",
321 .implied_opt_name = "order",
322 .merge_lists = true,
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
324 .desc = {
325 {
326 .name = "order",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "once",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "menu",
333 .type = QEMU_OPT_BOOL,
334 }, {
335 .name = "splash",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "splash-time",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "reboot-timeout",
342 .type = QEMU_OPT_STRING,
343 }, {
344 .name = "strict",
345 .type = QEMU_OPT_BOOL,
346 },
347 { /*End of list */ }
348 },
349 };
350
351 static QemuOptsList qemu_add_fd_opts = {
352 .name = "add-fd",
353 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
354 .desc = {
355 {
356 .name = "fd",
357 .type = QEMU_OPT_NUMBER,
358 .help = "file descriptor of which a duplicate is added to fd set",
359 },{
360 .name = "set",
361 .type = QEMU_OPT_NUMBER,
362 .help = "ID of the fd set to add fd to",
363 },{
364 .name = "opaque",
365 .type = QEMU_OPT_STRING,
366 .help = "free-form string used to describe fd",
367 },
368 { /* end of list */ }
369 },
370 };
371
372 static QemuOptsList qemu_object_opts = {
373 .name = "object",
374 .implied_opt_name = "qom-type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
376 .desc = {
377 { }
378 },
379 };
380
381 static QemuOptsList qemu_tpmdev_opts = {
382 .name = "tpmdev",
383 .implied_opt_name = "type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
385 .desc = {
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
388 },
389 };
390
391 static QemuOptsList qemu_realtime_opts = {
392 .name = "realtime",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
394 .desc = {
395 {
396 .name = "mlock",
397 .type = QEMU_OPT_BOOL,
398 },
399 { /* end of list */ }
400 },
401 };
402
403 static QemuOptsList qemu_overcommit_opts = {
404 .name = "overcommit",
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
406 .desc = {
407 {
408 .name = "mem-lock",
409 .type = QEMU_OPT_BOOL,
410 },
411 {
412 .name = "cpu-pm",
413 .type = QEMU_OPT_BOOL,
414 },
415 { /* end of list */ }
416 },
417 };
418
419 static QemuOptsList qemu_msg_opts = {
420 .name = "msg",
421 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
422 .desc = {
423 {
424 .name = "timestamp",
425 .type = QEMU_OPT_BOOL,
426 },
427 { /* end of list */ }
428 },
429 };
430
431 static QemuOptsList qemu_name_opts = {
432 .name = "name",
433 .implied_opt_name = "guest",
434 .merge_lists = true,
435 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
436 .desc = {
437 {
438 .name = "guest",
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the guest.\n"
441 "This name will be displayed in the SDL window caption.\n"
442 "The name will also be used for the VNC server",
443 }, {
444 .name = "process",
445 .type = QEMU_OPT_STRING,
446 .help = "Sets the name of the QEMU process, as shown in top etc",
447 }, {
448 .name = "debug-threads",
449 .type = QEMU_OPT_BOOL,
450 .help = "When enabled, name the individual threads; defaults off.\n"
451 "NOTE: The thread names are for debugging and not a\n"
452 "stable API.",
453 },
454 { /* End of list */ }
455 },
456 };
457
458 static QemuOptsList qemu_mem_opts = {
459 .name = "memory",
460 .implied_opt_name = "size",
461 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
462 .merge_lists = true,
463 .desc = {
464 {
465 .name = "size",
466 .type = QEMU_OPT_SIZE,
467 },
468 {
469 .name = "slots",
470 .type = QEMU_OPT_NUMBER,
471 },
472 {
473 .name = "maxmem",
474 .type = QEMU_OPT_SIZE,
475 },
476 { /* end of list */ }
477 },
478 };
479
480 static QemuOptsList qemu_icount_opts = {
481 .name = "icount",
482 .implied_opt_name = "shift",
483 .merge_lists = true,
484 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
485 .desc = {
486 {
487 .name = "shift",
488 .type = QEMU_OPT_STRING,
489 }, {
490 .name = "align",
491 .type = QEMU_OPT_BOOL,
492 }, {
493 .name = "sleep",
494 .type = QEMU_OPT_BOOL,
495 }, {
496 .name = "rr",
497 .type = QEMU_OPT_STRING,
498 }, {
499 .name = "rrfile",
500 .type = QEMU_OPT_STRING,
501 }, {
502 .name = "rrsnapshot",
503 .type = QEMU_OPT_STRING,
504 },
505 { /* end of list */ }
506 },
507 };
508
509 static QemuOptsList qemu_semihosting_config_opts = {
510 .name = "semihosting-config",
511 .implied_opt_name = "enable",
512 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
513 .desc = {
514 {
515 .name = "enable",
516 .type = QEMU_OPT_BOOL,
517 }, {
518 .name = "target",
519 .type = QEMU_OPT_STRING,
520 }, {
521 .name = "arg",
522 .type = QEMU_OPT_STRING,
523 },
524 { /* end of list */ }
525 },
526 };
527
528 static QemuOptsList qemu_fw_cfg_opts = {
529 .name = "fw_cfg",
530 .implied_opt_name = "name",
531 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
532 .desc = {
533 {
534 .name = "name",
535 .type = QEMU_OPT_STRING,
536 .help = "Sets the fw_cfg name of the blob to be inserted",
537 }, {
538 .name = "file",
539 .type = QEMU_OPT_STRING,
540 .help = "Sets the name of the file from which\n"
541 "the fw_cfg blob will be loaded",
542 }, {
543 .name = "string",
544 .type = QEMU_OPT_STRING,
545 .help = "Sets content of the blob to be inserted from a string",
546 },
547 { /* end of list */ }
548 },
549 };
550
551 /**
552 * Get machine options
553 *
554 * Returns: machine options (never null).
555 */
556 QemuOpts *qemu_get_machine_opts(void)
557 {
558 return qemu_find_opts_singleton("machine");
559 }
560
561 const char *qemu_get_vm_name(void)
562 {
563 return qemu_name;
564 }
565
566 static void res_free(void)
567 {
568 g_free(boot_splash_filedata);
569 boot_splash_filedata = NULL;
570 }
571
572 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
573 {
574 const char *driver = qemu_opt_get(opts, "driver");
575 int i;
576
577 if (!driver)
578 return 0;
579 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
580 if (strcmp(default_list[i].driver, driver) != 0)
581 continue;
582 *(default_list[i].flag) = 0;
583 }
584 return 0;
585 }
586
587 /***********************************************************/
588 /* QEMU state */
589
590 static RunState current_run_state = RUN_STATE_PRECONFIG;
591
592 /* We use RUN_STATE__MAX but any invalid value will do */
593 static RunState vmstop_requested = RUN_STATE__MAX;
594 static QemuMutex vmstop_lock;
595
596 typedef struct {
597 RunState from;
598 RunState to;
599 } RunStateTransition;
600
601 static const RunStateTransition runstate_transitions_def[] = {
602 /* from -> to */
603 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
604 /* Early switch to inmigrate state to allow -incoming CLI option work
605 * as it used to. TODO: delay actual switching to inmigrate state to
606 * the point after machine is built and remove this hack.
607 */
608 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
609
610 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
611 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
613
614 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
615 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
617 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
620 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
621 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
626
627 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
630
631 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
632 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
634
635 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
636 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
638 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
639 { RUN_STATE_PAUSED, RUN_STATE_COLO},
640
641 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
644
645 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
646 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
648
649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
654
655 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
656 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
657
658 { RUN_STATE_COLO, RUN_STATE_RUNNING },
659
660 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
661 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
662 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
664 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
666 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
668 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
669 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
670 { RUN_STATE_RUNNING, RUN_STATE_COLO},
671
672 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
673
674 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
675 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
677
678 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
679 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
680 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
681 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
683 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
684
685 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
686 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
687 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
688 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
689
690 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
693
694 { RUN_STATE__MAX, RUN_STATE__MAX },
695 };
696
697 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
698
699 bool runstate_check(RunState state)
700 {
701 return current_run_state == state;
702 }
703
704 bool runstate_store(char *str, size_t size)
705 {
706 const char *state = RunState_str(current_run_state);
707 size_t len = strlen(state) + 1;
708
709 if (len > size) {
710 return false;
711 }
712 memcpy(str, state, len);
713 return true;
714 }
715
716 static void runstate_init(void)
717 {
718 const RunStateTransition *p;
719
720 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
721 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
722 runstate_valid_transitions[p->from][p->to] = true;
723 }
724
725 qemu_mutex_init(&vmstop_lock);
726 }
727
728 /* This function will abort() on invalid state transitions */
729 void runstate_set(RunState new_state)
730 {
731 assert(new_state < RUN_STATE__MAX);
732
733 if (current_run_state == new_state) {
734 return;
735 }
736
737 if (!runstate_valid_transitions[current_run_state][new_state]) {
738 error_report("invalid runstate transition: '%s' -> '%s'",
739 RunState_str(current_run_state),
740 RunState_str(new_state));
741 abort();
742 }
743 trace_runstate_set(new_state);
744 current_run_state = new_state;
745 }
746
747 int runstate_is_running(void)
748 {
749 return runstate_check(RUN_STATE_RUNNING);
750 }
751
752 bool runstate_needs_reset(void)
753 {
754 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
755 runstate_check(RUN_STATE_SHUTDOWN);
756 }
757
758 StatusInfo *qmp_query_status(Error **errp)
759 {
760 StatusInfo *info = g_malloc0(sizeof(*info));
761
762 info->running = runstate_is_running();
763 info->singlestep = singlestep;
764 info->status = current_run_state;
765
766 return info;
767 }
768
769 bool qemu_vmstop_requested(RunState *r)
770 {
771 qemu_mutex_lock(&vmstop_lock);
772 *r = vmstop_requested;
773 vmstop_requested = RUN_STATE__MAX;
774 qemu_mutex_unlock(&vmstop_lock);
775 return *r < RUN_STATE__MAX;
776 }
777
778 void qemu_system_vmstop_request_prepare(void)
779 {
780 qemu_mutex_lock(&vmstop_lock);
781 }
782
783 void qemu_system_vmstop_request(RunState state)
784 {
785 vmstop_requested = state;
786 qemu_mutex_unlock(&vmstop_lock);
787 qemu_notify_event();
788 }
789
790 /***********************************************************/
791 /* RTC reference time/date access */
792 static time_t qemu_ref_timedate(QEMUClockType clock)
793 {
794 time_t value = qemu_clock_get_ms(clock) / 1000;
795 switch (clock) {
796 case QEMU_CLOCK_REALTIME:
797 value -= rtc_realtime_clock_offset;
798 /* no break */
799 case QEMU_CLOCK_VIRTUAL:
800 value += rtc_ref_start_datetime;
801 break;
802 case QEMU_CLOCK_HOST:
803 if (rtc_base_type == RTC_BASE_DATETIME) {
804 value -= rtc_host_datetime_offset;
805 }
806 break;
807 default:
808 assert(0);
809 }
810 return value;
811 }
812
813 void qemu_get_timedate(struct tm *tm, int offset)
814 {
815 time_t ti = qemu_ref_timedate(rtc_clock);
816
817 ti += offset;
818
819 switch (rtc_base_type) {
820 case RTC_BASE_DATETIME:
821 case RTC_BASE_UTC:
822 gmtime_r(&ti, tm);
823 break;
824 case RTC_BASE_LOCALTIME:
825 localtime_r(&ti, tm);
826 break;
827 }
828 }
829
830 int qemu_timedate_diff(struct tm *tm)
831 {
832 time_t seconds;
833
834 switch (rtc_base_type) {
835 case RTC_BASE_DATETIME:
836 case RTC_BASE_UTC:
837 seconds = mktimegm(tm);
838 break;
839 case RTC_BASE_LOCALTIME:
840 {
841 struct tm tmp = *tm;
842 tmp.tm_isdst = -1; /* use timezone to figure it out */
843 seconds = mktime(&tmp);
844 break;
845 }
846 default:
847 abort();
848 }
849
850 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
851 }
852
853 static void configure_rtc_base_datetime(const char *startdate)
854 {
855 time_t rtc_start_datetime;
856 struct tm tm;
857
858 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
859 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
860 /* OK */
861 } else if (sscanf(startdate, "%d-%d-%d",
862 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
863 tm.tm_hour = 0;
864 tm.tm_min = 0;
865 tm.tm_sec = 0;
866 } else {
867 goto date_fail;
868 }
869 tm.tm_year -= 1900;
870 tm.tm_mon--;
871 rtc_start_datetime = mktimegm(&tm);
872 if (rtc_start_datetime == -1) {
873 date_fail:
874 error_report("invalid datetime format");
875 error_printf("valid formats: "
876 "'2006-06-17T16:01:21' or '2006-06-17'\n");
877 exit(1);
878 }
879 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
880 rtc_ref_start_datetime = rtc_start_datetime;
881 }
882
883 static void configure_rtc(QemuOpts *opts)
884 {
885 const char *value;
886
887 /* Set defaults */
888 rtc_clock = QEMU_CLOCK_HOST;
889 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
890 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
891
892 value = qemu_opt_get(opts, "base");
893 if (value) {
894 if (!strcmp(value, "utc")) {
895 rtc_base_type = RTC_BASE_UTC;
896 } else if (!strcmp(value, "localtime")) {
897 Error *blocker = NULL;
898 rtc_base_type = RTC_BASE_LOCALTIME;
899 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
900 "-rtc base=localtime");
901 replay_add_blocker(blocker);
902 } else {
903 rtc_base_type = RTC_BASE_DATETIME;
904 configure_rtc_base_datetime(value);
905 }
906 }
907 value = qemu_opt_get(opts, "clock");
908 if (value) {
909 if (!strcmp(value, "host")) {
910 rtc_clock = QEMU_CLOCK_HOST;
911 } else if (!strcmp(value, "rt")) {
912 rtc_clock = QEMU_CLOCK_REALTIME;
913 } else if (!strcmp(value, "vm")) {
914 rtc_clock = QEMU_CLOCK_VIRTUAL;
915 } else {
916 error_report("invalid option value '%s'", value);
917 exit(1);
918 }
919 }
920 value = qemu_opt_get(opts, "driftfix");
921 if (value) {
922 if (!strcmp(value, "slew")) {
923 static GlobalProperty slew_lost_ticks = {
924 .driver = "mc146818rtc",
925 .property = "lost_tick_policy",
926 .value = "slew",
927 };
928
929 qdev_prop_register_global(&slew_lost_ticks);
930 } else if (!strcmp(value, "none")) {
931 /* discard is default */
932 } else {
933 error_report("invalid option value '%s'", value);
934 exit(1);
935 }
936 }
937 }
938
939 /***********************************************************/
940 /* Bluetooth support */
941 static int nb_hcis;
942 static int cur_hci;
943 static struct HCIInfo *hci_table[MAX_NICS];
944
945 struct HCIInfo *qemu_next_hci(void)
946 {
947 if (cur_hci == nb_hcis)
948 return &null_hci;
949
950 return hci_table[cur_hci++];
951 }
952
953 static int bt_hci_parse(const char *str)
954 {
955 struct HCIInfo *hci;
956 bdaddr_t bdaddr;
957
958 if (nb_hcis >= MAX_NICS) {
959 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
960 return -1;
961 }
962
963 hci = hci_init(str);
964 if (!hci)
965 return -1;
966
967 bdaddr.b[0] = 0x52;
968 bdaddr.b[1] = 0x54;
969 bdaddr.b[2] = 0x00;
970 bdaddr.b[3] = 0x12;
971 bdaddr.b[4] = 0x34;
972 bdaddr.b[5] = 0x56 + nb_hcis;
973 hci->bdaddr_set(hci, bdaddr.b);
974
975 hci_table[nb_hcis++] = hci;
976
977 return 0;
978 }
979
980 static void bt_vhci_add(int vlan_id)
981 {
982 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
983
984 if (!vlan->slave)
985 warn_report("adding a VHCI to an empty scatternet %i",
986 vlan_id);
987
988 bt_vhci_init(bt_new_hci(vlan));
989 }
990
991 static struct bt_device_s *bt_device_add(const char *opt)
992 {
993 struct bt_scatternet_s *vlan;
994 int vlan_id = 0;
995 char *endp = strstr(opt, ",vlan=");
996 int len = (endp ? endp - opt : strlen(opt)) + 1;
997 char devname[10];
998
999 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1000
1001 if (endp) {
1002 vlan_id = strtol(endp + 6, &endp, 0);
1003 if (*endp) {
1004 error_report("unrecognised bluetooth vlan Id");
1005 return 0;
1006 }
1007 }
1008
1009 vlan = qemu_find_bt_vlan(vlan_id);
1010
1011 if (!vlan->slave)
1012 warn_report("adding a slave device to an empty scatternet %i",
1013 vlan_id);
1014
1015 if (!strcmp(devname, "keyboard"))
1016 return bt_keyboard_init(vlan);
1017
1018 error_report("unsupported bluetooth device '%s'", devname);
1019 return 0;
1020 }
1021
1022 static int bt_parse(const char *opt)
1023 {
1024 const char *endp, *p;
1025 int vlan;
1026
1027 if (strstart(opt, "hci", &endp)) {
1028 if (!*endp || *endp == ',') {
1029 if (*endp)
1030 if (!strstart(endp, ",vlan=", 0))
1031 opt = endp + 1;
1032
1033 return bt_hci_parse(opt);
1034 }
1035 } else if (strstart(opt, "vhci", &endp)) {
1036 if (!*endp || *endp == ',') {
1037 if (*endp) {
1038 if (strstart(endp, ",vlan=", &p)) {
1039 vlan = strtol(p, (char **) &endp, 0);
1040 if (*endp) {
1041 error_report("bad scatternet '%s'", p);
1042 return 1;
1043 }
1044 } else {
1045 error_report("bad parameter '%s'", endp + 1);
1046 return 1;
1047 }
1048 } else
1049 vlan = 0;
1050
1051 bt_vhci_add(vlan);
1052 return 0;
1053 }
1054 } else if (strstart(opt, "device:", &endp))
1055 return !bt_device_add(endp);
1056
1057 error_report("bad bluetooth parameter '%s'", opt);
1058 return 1;
1059 }
1060
1061 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1062 {
1063 const char *proc_name;
1064
1065 if (qemu_opt_get(opts, "debug-threads")) {
1066 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1067 }
1068 qemu_name = qemu_opt_get(opts, "guest");
1069
1070 proc_name = qemu_opt_get(opts, "process");
1071 if (proc_name) {
1072 os_set_proc_name(proc_name);
1073 }
1074
1075 return 0;
1076 }
1077
1078 bool defaults_enabled(void)
1079 {
1080 return has_defaults;
1081 }
1082
1083 #ifndef _WIN32
1084 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1085 {
1086 int fd, dupfd, flags;
1087 int64_t fdset_id;
1088 const char *fd_opaque = NULL;
1089 AddfdInfo *fdinfo;
1090
1091 fd = qemu_opt_get_number(opts, "fd", -1);
1092 fdset_id = qemu_opt_get_number(opts, "set", -1);
1093 fd_opaque = qemu_opt_get(opts, "opaque");
1094
1095 if (fd < 0) {
1096 error_setg(errp, "fd option is required and must be non-negative");
1097 return -1;
1098 }
1099
1100 if (fd <= STDERR_FILENO) {
1101 error_setg(errp, "fd cannot be a standard I/O stream");
1102 return -1;
1103 }
1104
1105 /*
1106 * All fds inherited across exec() necessarily have FD_CLOEXEC
1107 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1108 */
1109 flags = fcntl(fd, F_GETFD);
1110 if (flags == -1 || (flags & FD_CLOEXEC)) {
1111 error_setg(errp, "fd is not valid or already in use");
1112 return -1;
1113 }
1114
1115 if (fdset_id < 0) {
1116 error_setg(errp, "set option is required and must be non-negative");
1117 return -1;
1118 }
1119
1120 #ifdef F_DUPFD_CLOEXEC
1121 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1122 #else
1123 dupfd = dup(fd);
1124 if (dupfd != -1) {
1125 qemu_set_cloexec(dupfd);
1126 }
1127 #endif
1128 if (dupfd == -1) {
1129 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1130 return -1;
1131 }
1132
1133 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1134 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1135 &error_abort);
1136 g_free(fdinfo);
1137
1138 return 0;
1139 }
1140
1141 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1142 {
1143 int fd;
1144
1145 fd = qemu_opt_get_number(opts, "fd", -1);
1146 close(fd);
1147
1148 return 0;
1149 }
1150 #endif
1151
1152 /***********************************************************/
1153 /* QEMU Block devices */
1154
1155 #define HD_OPTS "media=disk"
1156 #define CDROM_OPTS "media=cdrom"
1157 #define FD_OPTS ""
1158 #define PFLASH_OPTS ""
1159 #define MTD_OPTS ""
1160 #define SD_OPTS ""
1161
1162 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1163 {
1164 BlockInterfaceType *block_default_type = opaque;
1165
1166 return drive_new(opts, *block_default_type, errp) == NULL;
1167 }
1168
1169 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1170 {
1171 if (qemu_opt_get(opts, "snapshot") == NULL) {
1172 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1173 }
1174 return 0;
1175 }
1176
1177 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1178 int index, const char *optstr)
1179 {
1180 QemuOpts *opts;
1181 DriveInfo *dinfo;
1182
1183 if (!enable || drive_get_by_index(type, index)) {
1184 return;
1185 }
1186
1187 opts = drive_add(type, index, NULL, optstr);
1188 if (snapshot) {
1189 drive_enable_snapshot(NULL, opts, NULL);
1190 }
1191
1192 dinfo = drive_new(opts, type, &error_abort);
1193 dinfo->is_default = true;
1194
1195 }
1196
1197 static QemuOptsList qemu_smp_opts = {
1198 .name = "smp-opts",
1199 .implied_opt_name = "cpus",
1200 .merge_lists = true,
1201 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1202 .desc = {
1203 {
1204 .name = "cpus",
1205 .type = QEMU_OPT_NUMBER,
1206 }, {
1207 .name = "sockets",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "cores",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "threads",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "maxcpus",
1217 .type = QEMU_OPT_NUMBER,
1218 },
1219 { /*End of list */ }
1220 },
1221 };
1222
1223 static void smp_parse(QemuOpts *opts)
1224 {
1225 if (opts) {
1226 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1227 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1228 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1229 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1230
1231 /* compute missing values, prefer sockets over cores over threads */
1232 if (cpus == 0 || sockets == 0) {
1233 sockets = sockets > 0 ? sockets : 1;
1234 cores = cores > 0 ? cores : 1;
1235 threads = threads > 0 ? threads : 1;
1236 if (cpus == 0) {
1237 cpus = cores * threads * sockets;
1238 }
1239 } else if (cores == 0) {
1240 threads = threads > 0 ? threads : 1;
1241 cores = cpus / (sockets * threads);
1242 cores = cores > 0 ? cores : 1;
1243 } else if (threads == 0) {
1244 threads = cpus / (cores * sockets);
1245 threads = threads > 0 ? threads : 1;
1246 } else if (sockets * cores * threads < cpus) {
1247 error_report("cpu topology: "
1248 "sockets (%u) * cores (%u) * threads (%u) < "
1249 "smp_cpus (%u)",
1250 sockets, cores, threads, cpus);
1251 exit(1);
1252 }
1253
1254 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1255
1256 if (max_cpus < cpus) {
1257 error_report("maxcpus must be equal to or greater than smp");
1258 exit(1);
1259 }
1260
1261 if (sockets * cores * threads > max_cpus) {
1262 error_report("cpu topology: "
1263 "sockets (%u) * cores (%u) * threads (%u) > "
1264 "maxcpus (%u)",
1265 sockets, cores, threads, max_cpus);
1266 exit(1);
1267 }
1268
1269 if (sockets * cores * threads != max_cpus) {
1270 warn_report("Invalid CPU topology deprecated: "
1271 "sockets (%u) * cores (%u) * threads (%u) "
1272 "!= maxcpus (%u)",
1273 sockets, cores, threads, max_cpus);
1274 }
1275
1276 smp_cpus = cpus;
1277 smp_cores = cores;
1278 smp_threads = threads;
1279 }
1280
1281 if (smp_cpus > 1) {
1282 Error *blocker = NULL;
1283 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1284 replay_add_blocker(blocker);
1285 }
1286 }
1287
1288 static void realtime_init(void)
1289 {
1290 if (enable_mlock) {
1291 if (os_mlock() < 0) {
1292 error_report("locking memory failed");
1293 exit(1);
1294 }
1295 }
1296 }
1297
1298
1299 static void configure_msg(QemuOpts *opts)
1300 {
1301 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1302 }
1303
1304 /***********************************************************/
1305 /* Semihosting */
1306
1307 typedef struct SemihostingConfig {
1308 bool enabled;
1309 SemihostingTarget target;
1310 const char **argv;
1311 int argc;
1312 const char *cmdline; /* concatenated argv */
1313 } SemihostingConfig;
1314
1315 static SemihostingConfig semihosting;
1316
1317 bool semihosting_enabled(void)
1318 {
1319 return semihosting.enabled;
1320 }
1321
1322 SemihostingTarget semihosting_get_target(void)
1323 {
1324 return semihosting.target;
1325 }
1326
1327 const char *semihosting_get_arg(int i)
1328 {
1329 if (i >= semihosting.argc) {
1330 return NULL;
1331 }
1332 return semihosting.argv[i];
1333 }
1334
1335 int semihosting_get_argc(void)
1336 {
1337 return semihosting.argc;
1338 }
1339
1340 const char *semihosting_get_cmdline(void)
1341 {
1342 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1343 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1344 }
1345 return semihosting.cmdline;
1346 }
1347
1348 static int add_semihosting_arg(void *opaque,
1349 const char *name, const char *val,
1350 Error **errp)
1351 {
1352 SemihostingConfig *s = opaque;
1353 if (strcmp(name, "arg") == 0) {
1354 s->argc++;
1355 /* one extra element as g_strjoinv() expects NULL-terminated array */
1356 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1357 s->argv[s->argc - 1] = val;
1358 s->argv[s->argc] = NULL;
1359 }
1360 return 0;
1361 }
1362
1363 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1364 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1365 {
1366 char *cmd_token;
1367
1368 /* argv[0] */
1369 add_semihosting_arg(&semihosting, "arg", file, NULL);
1370
1371 /* split -append and initialize argv[1..n] */
1372 cmd_token = strtok(g_strdup(cmd), " ");
1373 while (cmd_token) {
1374 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1375 cmd_token = strtok(NULL, " ");
1376 }
1377 }
1378
1379 /* Now we still need this for compatibility with XEN. */
1380 bool has_igd_gfx_passthru;
1381 static void igd_gfx_passthru(void)
1382 {
1383 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1384 }
1385
1386 /***********************************************************/
1387 /* USB devices */
1388
1389 static int usb_device_add(const char *devname)
1390 {
1391 USBDevice *dev = NULL;
1392
1393 if (!machine_usb(current_machine)) {
1394 return -1;
1395 }
1396
1397 dev = usbdevice_create(devname);
1398 if (!dev)
1399 return -1;
1400
1401 return 0;
1402 }
1403
1404 static int usb_parse(const char *cmdline)
1405 {
1406 int r;
1407 r = usb_device_add(cmdline);
1408 if (r < 0) {
1409 error_report("could not add USB device '%s'", cmdline);
1410 }
1411 return r;
1412 }
1413
1414 /***********************************************************/
1415 /* machine registration */
1416
1417 MachineState *current_machine;
1418
1419 static MachineClass *find_machine(const char *name)
1420 {
1421 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1422 MachineClass *mc = NULL;
1423
1424 for (el = machines; el; el = el->next) {
1425 MachineClass *temp = el->data;
1426
1427 if (!strcmp(temp->name, name)) {
1428 mc = temp;
1429 break;
1430 }
1431 if (temp->alias &&
1432 !strcmp(temp->alias, name)) {
1433 mc = temp;
1434 break;
1435 }
1436 }
1437
1438 g_slist_free(machines);
1439 return mc;
1440 }
1441
1442 MachineClass *find_default_machine(void)
1443 {
1444 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1445 MachineClass *mc = NULL;
1446
1447 for (el = machines; el; el = el->next) {
1448 MachineClass *temp = el->data;
1449
1450 if (temp->is_default) {
1451 mc = temp;
1452 break;
1453 }
1454 }
1455
1456 g_slist_free(machines);
1457 return mc;
1458 }
1459
1460 MachineInfoList *qmp_query_machines(Error **errp)
1461 {
1462 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1463 MachineInfoList *mach_list = NULL;
1464
1465 for (el = machines; el; el = el->next) {
1466 MachineClass *mc = el->data;
1467 MachineInfoList *entry;
1468 MachineInfo *info;
1469
1470 info = g_malloc0(sizeof(*info));
1471 if (mc->is_default) {
1472 info->has_is_default = true;
1473 info->is_default = true;
1474 }
1475
1476 if (mc->alias) {
1477 info->has_alias = true;
1478 info->alias = g_strdup(mc->alias);
1479 }
1480
1481 info->name = g_strdup(mc->name);
1482 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1483 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1484
1485 entry = g_malloc0(sizeof(*entry));
1486 entry->value = info;
1487 entry->next = mach_list;
1488 mach_list = entry;
1489 }
1490
1491 g_slist_free(machines);
1492 return mach_list;
1493 }
1494
1495 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1496 {
1497 ObjectProperty *prop;
1498 ObjectPropertyIterator iter;
1499
1500 if (!qemu_opt_has_help_opt(opts)) {
1501 return 0;
1502 }
1503
1504 object_property_iter_init(&iter, OBJECT(machine));
1505 while ((prop = object_property_iter_next(&iter))) {
1506 if (!prop->set) {
1507 continue;
1508 }
1509
1510 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1511 prop->name, prop->type);
1512 if (prop->description) {
1513 error_printf(" (%s)\n", prop->description);
1514 } else {
1515 error_printf("\n");
1516 }
1517 }
1518
1519 return 1;
1520 }
1521
1522 /***********************************************************/
1523 /* main execution loop */
1524
1525 struct vm_change_state_entry {
1526 VMChangeStateHandler *cb;
1527 void *opaque;
1528 QLIST_ENTRY (vm_change_state_entry) entries;
1529 };
1530
1531 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1532
1533 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1534 void *opaque)
1535 {
1536 VMChangeStateEntry *e;
1537
1538 e = g_malloc0(sizeof (*e));
1539
1540 e->cb = cb;
1541 e->opaque = opaque;
1542 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1543 return e;
1544 }
1545
1546 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1547 {
1548 QLIST_REMOVE (e, entries);
1549 g_free (e);
1550 }
1551
1552 void vm_state_notify(int running, RunState state)
1553 {
1554 VMChangeStateEntry *e, *next;
1555
1556 trace_vm_state_notify(running, state);
1557
1558 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1559 e->cb(e->opaque, running, state);
1560 }
1561 }
1562
1563 static ShutdownCause reset_requested;
1564 static ShutdownCause shutdown_requested;
1565 static int shutdown_signal;
1566 static pid_t shutdown_pid;
1567 static int powerdown_requested;
1568 static int debug_requested;
1569 static int suspend_requested;
1570 static bool preconfig_exit_requested = true;
1571 static WakeupReason wakeup_reason;
1572 static NotifierList powerdown_notifiers =
1573 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1574 static NotifierList suspend_notifiers =
1575 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1576 static NotifierList wakeup_notifiers =
1577 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1578 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1579
1580 ShutdownCause qemu_shutdown_requested_get(void)
1581 {
1582 return shutdown_requested;
1583 }
1584
1585 ShutdownCause qemu_reset_requested_get(void)
1586 {
1587 return reset_requested;
1588 }
1589
1590 static int qemu_shutdown_requested(void)
1591 {
1592 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1593 }
1594
1595 static void qemu_kill_report(void)
1596 {
1597 if (!qtest_driver() && shutdown_signal) {
1598 if (shutdown_pid == 0) {
1599 /* This happens for eg ^C at the terminal, so it's worth
1600 * avoiding printing an odd message in that case.
1601 */
1602 error_report("terminating on signal %d", shutdown_signal);
1603 } else {
1604 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1605
1606 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1607 shutdown_signal, shutdown_pid,
1608 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1609 g_free(shutdown_cmd);
1610 }
1611 shutdown_signal = 0;
1612 }
1613 }
1614
1615 static ShutdownCause qemu_reset_requested(void)
1616 {
1617 ShutdownCause r = reset_requested;
1618
1619 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1620 reset_requested = SHUTDOWN_CAUSE_NONE;
1621 return r;
1622 }
1623 return SHUTDOWN_CAUSE_NONE;
1624 }
1625
1626 static int qemu_suspend_requested(void)
1627 {
1628 int r = suspend_requested;
1629 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1630 suspend_requested = 0;
1631 return r;
1632 }
1633 return false;
1634 }
1635
1636 static WakeupReason qemu_wakeup_requested(void)
1637 {
1638 return wakeup_reason;
1639 }
1640
1641 static int qemu_powerdown_requested(void)
1642 {
1643 int r = powerdown_requested;
1644 powerdown_requested = 0;
1645 return r;
1646 }
1647
1648 static int qemu_debug_requested(void)
1649 {
1650 int r = debug_requested;
1651 debug_requested = 0;
1652 return r;
1653 }
1654
1655 void qemu_exit_preconfig_request(void)
1656 {
1657 preconfig_exit_requested = true;
1658 }
1659
1660 /*
1661 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1662 */
1663 void qemu_system_reset(ShutdownCause reason)
1664 {
1665 MachineClass *mc;
1666
1667 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1668
1669 cpu_synchronize_all_states();
1670
1671 if (mc && mc->reset) {
1672 mc->reset();
1673 } else {
1674 qemu_devices_reset();
1675 }
1676 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1677 qapi_event_send_reset(shutdown_caused_by_guest(reason));
1678 }
1679 cpu_synchronize_all_post_reset();
1680 }
1681
1682 void qemu_system_guest_panicked(GuestPanicInformation *info)
1683 {
1684 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1685
1686 if (current_cpu) {
1687 current_cpu->crash_occurred = true;
1688 }
1689 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1690 !!info, info);
1691 vm_stop(RUN_STATE_GUEST_PANICKED);
1692 if (!no_shutdown) {
1693 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1694 !!info, info);
1695 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1696 }
1697
1698 if (info) {
1699 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1700 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1701 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1702 info->u.hyper_v.arg1,
1703 info->u.hyper_v.arg2,
1704 info->u.hyper_v.arg3,
1705 info->u.hyper_v.arg4,
1706 info->u.hyper_v.arg5);
1707 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1708 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1709 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1710 info->u.s390.core,
1711 S390CrashReason_str(info->u.s390.reason),
1712 info->u.s390.psw_mask,
1713 info->u.s390.psw_addr);
1714 }
1715 qapi_free_GuestPanicInformation(info);
1716 }
1717 }
1718
1719 void qemu_system_reset_request(ShutdownCause reason)
1720 {
1721 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1722 shutdown_requested = reason;
1723 } else {
1724 reset_requested = reason;
1725 }
1726 cpu_stop_current();
1727 qemu_notify_event();
1728 }
1729
1730 static void qemu_system_suspend(void)
1731 {
1732 pause_all_vcpus();
1733 notifier_list_notify(&suspend_notifiers, NULL);
1734 runstate_set(RUN_STATE_SUSPENDED);
1735 qapi_event_send_suspend();
1736 }
1737
1738 void qemu_system_suspend_request(void)
1739 {
1740 if (runstate_check(RUN_STATE_SUSPENDED)) {
1741 return;
1742 }
1743 suspend_requested = 1;
1744 cpu_stop_current();
1745 qemu_notify_event();
1746 }
1747
1748 void qemu_register_suspend_notifier(Notifier *notifier)
1749 {
1750 notifier_list_add(&suspend_notifiers, notifier);
1751 }
1752
1753 void qemu_system_wakeup_request(WakeupReason reason)
1754 {
1755 trace_system_wakeup_request(reason);
1756
1757 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1758 return;
1759 }
1760 if (!(wakeup_reason_mask & (1 << reason))) {
1761 return;
1762 }
1763 runstate_set(RUN_STATE_RUNNING);
1764 wakeup_reason = reason;
1765 qemu_notify_event();
1766 }
1767
1768 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1769 {
1770 if (enabled) {
1771 wakeup_reason_mask |= (1 << reason);
1772 } else {
1773 wakeup_reason_mask &= ~(1 << reason);
1774 }
1775 }
1776
1777 void qemu_register_wakeup_notifier(Notifier *notifier)
1778 {
1779 notifier_list_add(&wakeup_notifiers, notifier);
1780 }
1781
1782 void qemu_system_killed(int signal, pid_t pid)
1783 {
1784 shutdown_signal = signal;
1785 shutdown_pid = pid;
1786 no_shutdown = 0;
1787
1788 /* Cannot call qemu_system_shutdown_request directly because
1789 * we are in a signal handler.
1790 */
1791 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1792 qemu_notify_event();
1793 }
1794
1795 void qemu_system_shutdown_request(ShutdownCause reason)
1796 {
1797 trace_qemu_system_shutdown_request(reason);
1798 replay_shutdown_request(reason);
1799 shutdown_requested = reason;
1800 qemu_notify_event();
1801 }
1802
1803 static void qemu_system_powerdown(void)
1804 {
1805 qapi_event_send_powerdown();
1806 notifier_list_notify(&powerdown_notifiers, NULL);
1807 }
1808
1809 void qemu_system_powerdown_request(void)
1810 {
1811 trace_qemu_system_powerdown_request();
1812 powerdown_requested = 1;
1813 qemu_notify_event();
1814 }
1815
1816 void qemu_register_powerdown_notifier(Notifier *notifier)
1817 {
1818 notifier_list_add(&powerdown_notifiers, notifier);
1819 }
1820
1821 void qemu_system_debug_request(void)
1822 {
1823 debug_requested = 1;
1824 qemu_notify_event();
1825 }
1826
1827 static bool main_loop_should_exit(void)
1828 {
1829 RunState r;
1830 ShutdownCause request;
1831
1832 if (preconfig_exit_requested) {
1833 if (runstate_check(RUN_STATE_PRECONFIG)) {
1834 runstate_set(RUN_STATE_PRELAUNCH);
1835 }
1836 preconfig_exit_requested = false;
1837 return true;
1838 }
1839 if (qemu_debug_requested()) {
1840 vm_stop(RUN_STATE_DEBUG);
1841 }
1842 if (qemu_suspend_requested()) {
1843 qemu_system_suspend();
1844 }
1845 request = qemu_shutdown_requested();
1846 if (request) {
1847 qemu_kill_report();
1848 qapi_event_send_shutdown(shutdown_caused_by_guest(request));
1849 if (no_shutdown) {
1850 vm_stop(RUN_STATE_SHUTDOWN);
1851 } else {
1852 return true;
1853 }
1854 }
1855 request = qemu_reset_requested();
1856 if (request) {
1857 pause_all_vcpus();
1858 qemu_system_reset(request);
1859 resume_all_vcpus();
1860 if (!runstate_check(RUN_STATE_RUNNING) &&
1861 !runstate_check(RUN_STATE_INMIGRATE)) {
1862 runstate_set(RUN_STATE_PRELAUNCH);
1863 }
1864 }
1865 if (qemu_wakeup_requested()) {
1866 pause_all_vcpus();
1867 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1868 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1869 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1870 resume_all_vcpus();
1871 qapi_event_send_wakeup();
1872 }
1873 if (qemu_powerdown_requested()) {
1874 qemu_system_powerdown();
1875 }
1876 if (qemu_vmstop_requested(&r)) {
1877 vm_stop(r);
1878 }
1879 return false;
1880 }
1881
1882 static void main_loop(void)
1883 {
1884 #ifdef CONFIG_PROFILER
1885 int64_t ti;
1886 #endif
1887 while (!main_loop_should_exit()) {
1888 #ifdef CONFIG_PROFILER
1889 ti = profile_getclock();
1890 #endif
1891 main_loop_wait(false);
1892 #ifdef CONFIG_PROFILER
1893 dev_time += profile_getclock() - ti;
1894 #endif
1895 }
1896 }
1897
1898 static void version(void)
1899 {
1900 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1901 QEMU_COPYRIGHT "\n");
1902 }
1903
1904 static void help(int exitcode)
1905 {
1906 version();
1907 printf("usage: %s [options] [disk_image]\n\n"
1908 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1909 error_get_progname());
1910
1911 #define QEMU_OPTIONS_GENERATE_HELP
1912 #include "qemu-options-wrapper.h"
1913
1914 printf("\nDuring emulation, the following keys are useful:\n"
1915 "ctrl-alt-f toggle full screen\n"
1916 "ctrl-alt-n switch to virtual console 'n'\n"
1917 "ctrl-alt toggle mouse and keyboard grab\n"
1918 "\n"
1919 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1920 "\n"
1921 QEMU_HELP_BOTTOM "\n");
1922
1923 exit(exitcode);
1924 }
1925
1926 #define HAS_ARG 0x0001
1927
1928 typedef struct QEMUOption {
1929 const char *name;
1930 int flags;
1931 int index;
1932 uint32_t arch_mask;
1933 } QEMUOption;
1934
1935 static const QEMUOption qemu_options[] = {
1936 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1937 #define QEMU_OPTIONS_GENERATE_OPTIONS
1938 #include "qemu-options-wrapper.h"
1939 { NULL },
1940 };
1941
1942 typedef struct VGAInterfaceInfo {
1943 const char *opt_name; /* option name */
1944 const char *name; /* human-readable name */
1945 /* Class names indicating that support is available.
1946 * If no class is specified, the interface is always available */
1947 const char *class_names[2];
1948 } VGAInterfaceInfo;
1949
1950 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1951 [VGA_NONE] = {
1952 .opt_name = "none",
1953 },
1954 [VGA_STD] = {
1955 .opt_name = "std",
1956 .name = "standard VGA",
1957 .class_names = { "VGA", "isa-vga" },
1958 },
1959 [VGA_CIRRUS] = {
1960 .opt_name = "cirrus",
1961 .name = "Cirrus VGA",
1962 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1963 },
1964 [VGA_VMWARE] = {
1965 .opt_name = "vmware",
1966 .name = "VMWare SVGA",
1967 .class_names = { "vmware-svga" },
1968 },
1969 [VGA_VIRTIO] = {
1970 .opt_name = "virtio",
1971 .name = "Virtio VGA",
1972 .class_names = { "virtio-vga" },
1973 },
1974 [VGA_QXL] = {
1975 .opt_name = "qxl",
1976 .name = "QXL VGA",
1977 .class_names = { "qxl-vga" },
1978 },
1979 [VGA_TCX] = {
1980 .opt_name = "tcx",
1981 .name = "TCX framebuffer",
1982 .class_names = { "SUNW,tcx" },
1983 },
1984 [VGA_CG3] = {
1985 .opt_name = "cg3",
1986 .name = "CG3 framebuffer",
1987 .class_names = { "cgthree" },
1988 },
1989 [VGA_XENFB] = {
1990 .opt_name = "xenfb",
1991 },
1992 };
1993
1994 static bool vga_interface_available(VGAInterfaceType t)
1995 {
1996 VGAInterfaceInfo *ti = &vga_interfaces[t];
1997
1998 assert(t < VGA_TYPE_MAX);
1999 return !ti->class_names[0] ||
2000 object_class_by_name(ti->class_names[0]) ||
2001 object_class_by_name(ti->class_names[1]);
2002 }
2003
2004 static void select_vgahw(const char *p)
2005 {
2006 const char *opts;
2007 int t;
2008
2009 assert(vga_interface_type == VGA_NONE);
2010 for (t = 0; t < VGA_TYPE_MAX; t++) {
2011 VGAInterfaceInfo *ti = &vga_interfaces[t];
2012 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2013 if (!vga_interface_available(t)) {
2014 error_report("%s not available", ti->name);
2015 exit(1);
2016 }
2017 vga_interface_type = t;
2018 break;
2019 }
2020 }
2021 if (t == VGA_TYPE_MAX) {
2022 invalid_vga:
2023 error_report("unknown vga type: %s", p);
2024 exit(1);
2025 }
2026 while (*opts) {
2027 const char *nextopt;
2028
2029 if (strstart(opts, ",retrace=", &nextopt)) {
2030 opts = nextopt;
2031 if (strstart(opts, "dumb", &nextopt))
2032 vga_retrace_method = VGA_RETRACE_DUMB;
2033 else if (strstart(opts, "precise", &nextopt))
2034 vga_retrace_method = VGA_RETRACE_PRECISE;
2035 else goto invalid_vga;
2036 } else goto invalid_vga;
2037 opts = nextopt;
2038 }
2039 }
2040
2041 static void parse_display_qapi(const char *optarg)
2042 {
2043 DisplayOptions *opts;
2044 Visitor *v;
2045
2046 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2047
2048 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2049 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2050
2051 qapi_free_DisplayOptions(opts);
2052 visit_free(v);
2053 }
2054
2055 static void parse_display(const char *p)
2056 {
2057 const char *opts;
2058
2059 if (strstart(p, "sdl", &opts)) {
2060 /*
2061 * sdl DisplayType needs hand-crafted parser instead of
2062 * parse_display_qapi() due to some options not in
2063 * DisplayOptions, specifically:
2064 * - frame
2065 * Already deprecated.
2066 * - ctrl_grab + alt_grab
2067 * Not clear yet what happens to them long-term. Should
2068 * replaced by something better or deprecated and dropped.
2069 */
2070 dpy.type = DISPLAY_TYPE_SDL;
2071 while (*opts) {
2072 const char *nextopt;
2073
2074 if (strstart(opts, ",frame=", &nextopt)) {
2075 g_printerr("The frame= sdl option is deprecated, and will be\n"
2076 "removed in a future release.\n");
2077 opts = nextopt;
2078 if (strstart(opts, "on", &nextopt)) {
2079 no_frame = 0;
2080 } else if (strstart(opts, "off", &nextopt)) {
2081 no_frame = 1;
2082 } else {
2083 goto invalid_sdl_args;
2084 }
2085 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2086 opts = nextopt;
2087 if (strstart(opts, "on", &nextopt)) {
2088 alt_grab = 1;
2089 } else if (strstart(opts, "off", &nextopt)) {
2090 alt_grab = 0;
2091 } else {
2092 goto invalid_sdl_args;
2093 }
2094 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2095 opts = nextopt;
2096 if (strstart(opts, "on", &nextopt)) {
2097 ctrl_grab = 1;
2098 } else if (strstart(opts, "off", &nextopt)) {
2099 ctrl_grab = 0;
2100 } else {
2101 goto invalid_sdl_args;
2102 }
2103 } else if (strstart(opts, ",window_close=", &nextopt)) {
2104 opts = nextopt;
2105 dpy.has_window_close = true;
2106 if (strstart(opts, "on", &nextopt)) {
2107 dpy.window_close = true;
2108 } else if (strstart(opts, "off", &nextopt)) {
2109 dpy.window_close = false;
2110 } else {
2111 goto invalid_sdl_args;
2112 }
2113 } else if (strstart(opts, ",gl=", &nextopt)) {
2114 opts = nextopt;
2115 dpy.has_gl = true;
2116 if (strstart(opts, "on", &nextopt)) {
2117 dpy.gl = DISPLAYGL_MODE_ON;
2118 } else if (strstart(opts, "core", &nextopt)) {
2119 dpy.gl = DISPLAYGL_MODE_CORE;
2120 } else if (strstart(opts, "es", &nextopt)) {
2121 dpy.gl = DISPLAYGL_MODE_ES;
2122 } else if (strstart(opts, "off", &nextopt)) {
2123 dpy.gl = DISPLAYGL_MODE_OFF;
2124 } else {
2125 goto invalid_sdl_args;
2126 }
2127 } else {
2128 invalid_sdl_args:
2129 error_report("invalid SDL option string");
2130 exit(1);
2131 }
2132 opts = nextopt;
2133 }
2134 } else if (strstart(p, "vnc", &opts)) {
2135 /*
2136 * vnc isn't a (local) DisplayType but a protocol for remote
2137 * display access.
2138 */
2139 if (*opts == '=') {
2140 vnc_parse(opts + 1, &error_fatal);
2141 } else {
2142 error_report("VNC requires a display argument vnc=<display>");
2143 exit(1);
2144 }
2145 } else {
2146 parse_display_qapi(p);
2147 }
2148 }
2149
2150 char *qemu_find_file(int type, const char *name)
2151 {
2152 int i;
2153 const char *subdir;
2154 char *buf;
2155
2156 /* Try the name as a straight path first */
2157 if (access(name, R_OK) == 0) {
2158 trace_load_file(name, name);
2159 return g_strdup(name);
2160 }
2161
2162 switch (type) {
2163 case QEMU_FILE_TYPE_BIOS:
2164 subdir = "";
2165 break;
2166 case QEMU_FILE_TYPE_KEYMAP:
2167 subdir = "keymaps/";
2168 break;
2169 default:
2170 abort();
2171 }
2172
2173 for (i = 0; i < data_dir_idx; i++) {
2174 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2175 if (access(buf, R_OK) == 0) {
2176 trace_load_file(name, buf);
2177 return buf;
2178 }
2179 g_free(buf);
2180 }
2181 return NULL;
2182 }
2183
2184 static void qemu_add_data_dir(const char *path)
2185 {
2186 int i;
2187
2188 if (path == NULL) {
2189 return;
2190 }
2191 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2192 return;
2193 }
2194 for (i = 0; i < data_dir_idx; i++) {
2195 if (strcmp(data_dir[i], path) == 0) {
2196 return; /* duplicate */
2197 }
2198 }
2199 data_dir[data_dir_idx++] = g_strdup(path);
2200 }
2201
2202 static inline bool nonempty_str(const char *str)
2203 {
2204 return str && *str;
2205 }
2206
2207 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2208 {
2209 gchar *buf;
2210 size_t size;
2211 const char *name, *file, *str;
2212 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2213
2214 if (fw_cfg == NULL) {
2215 error_setg(errp, "fw_cfg device not available");
2216 return -1;
2217 }
2218 name = qemu_opt_get(opts, "name");
2219 file = qemu_opt_get(opts, "file");
2220 str = qemu_opt_get(opts, "string");
2221
2222 /* we need name and either a file or the content string */
2223 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2224 error_setg(errp, "invalid argument(s)");
2225 return -1;
2226 }
2227 if (nonempty_str(file) && nonempty_str(str)) {
2228 error_setg(errp, "file and string are mutually exclusive");
2229 return -1;
2230 }
2231 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2232 error_setg(errp, "name too long (max. %d char)",
2233 FW_CFG_MAX_FILE_PATH - 1);
2234 return -1;
2235 }
2236 if (strncmp(name, "opt/", 4) != 0) {
2237 warn_report("externally provided fw_cfg item names "
2238 "should be prefixed with \"opt/\"");
2239 }
2240 if (nonempty_str(str)) {
2241 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2242 buf = g_memdup(str, size);
2243 } else {
2244 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2245 error_setg(errp, "can't load %s", file);
2246 return -1;
2247 }
2248 }
2249 /* For legacy, keep user files in a specific global order. */
2250 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2251 fw_cfg_add_file(fw_cfg, name, buf, size);
2252 fw_cfg_reset_order_override(fw_cfg);
2253 return 0;
2254 }
2255
2256 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2257 {
2258 return qdev_device_help(opts);
2259 }
2260
2261 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2262 {
2263 DeviceState *dev;
2264
2265 dev = qdev_device_add(opts, errp);
2266 if (!dev) {
2267 return -1;
2268 }
2269 object_unref(OBJECT(dev));
2270 return 0;
2271 }
2272
2273 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2274 {
2275 Error *local_err = NULL;
2276
2277 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2278 if (local_err) {
2279 error_propagate(errp, local_err);
2280 return -1;
2281 }
2282 exit(0);
2283 }
2284 return 0;
2285 }
2286
2287 #ifdef CONFIG_VIRTFS
2288 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2289 {
2290 return qemu_fsdev_add(opts, errp);
2291 }
2292 #endif
2293
2294 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2295 {
2296 Chardev *chr;
2297 const char *chardev;
2298 const char *mode;
2299 int flags;
2300
2301 mode = qemu_opt_get(opts, "mode");
2302 if (mode == NULL) {
2303 mode = "readline";
2304 }
2305 if (strcmp(mode, "readline") == 0) {
2306 flags = MONITOR_USE_READLINE;
2307 } else if (strcmp(mode, "control") == 0) {
2308 flags = MONITOR_USE_CONTROL;
2309 } else {
2310 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2311 return -1;
2312 }
2313
2314 if (qemu_opt_get_bool(opts, "pretty", 0))
2315 flags |= MONITOR_USE_PRETTY;
2316
2317 /* OOB is off by default */
2318 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2319 flags |= MONITOR_USE_OOB;
2320 }
2321
2322 chardev = qemu_opt_get(opts, "chardev");
2323 chr = qemu_chr_find(chardev);
2324 if (chr == NULL) {
2325 error_setg(errp, "chardev \"%s\" not found", chardev);
2326 return -1;
2327 }
2328
2329 monitor_init(chr, flags);
2330 return 0;
2331 }
2332
2333 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2334 {
2335 static int monitor_device_index = 0;
2336 QemuOpts *opts;
2337 const char *p;
2338 char label[32];
2339
2340 if (strstart(optarg, "chardev:", &p)) {
2341 snprintf(label, sizeof(label), "%s", p);
2342 } else {
2343 snprintf(label, sizeof(label), "compat_monitor%d",
2344 monitor_device_index);
2345 opts = qemu_chr_parse_compat(label, optarg, true);
2346 if (!opts) {
2347 error_report("parse error: %s", optarg);
2348 exit(1);
2349 }
2350 }
2351
2352 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2353 qemu_opt_set(opts, "mode", mode, &error_abort);
2354 qemu_opt_set(opts, "chardev", label, &error_abort);
2355 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2356 monitor_device_index++;
2357 }
2358
2359 struct device_config {
2360 enum {
2361 DEV_USB, /* -usbdevice */
2362 DEV_BT, /* -bt */
2363 DEV_SERIAL, /* -serial */
2364 DEV_PARALLEL, /* -parallel */
2365 DEV_VIRTCON, /* -virtioconsole */
2366 DEV_DEBUGCON, /* -debugcon */
2367 DEV_GDB, /* -gdb, -s */
2368 DEV_SCLP, /* s390 sclp */
2369 } type;
2370 const char *cmdline;
2371 Location loc;
2372 QTAILQ_ENTRY(device_config) next;
2373 };
2374
2375 static QTAILQ_HEAD(, device_config) device_configs =
2376 QTAILQ_HEAD_INITIALIZER(device_configs);
2377
2378 static void add_device_config(int type, const char *cmdline)
2379 {
2380 struct device_config *conf;
2381
2382 conf = g_malloc0(sizeof(*conf));
2383 conf->type = type;
2384 conf->cmdline = cmdline;
2385 loc_save(&conf->loc);
2386 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2387 }
2388
2389 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2390 {
2391 struct device_config *conf;
2392 int rc;
2393
2394 QTAILQ_FOREACH(conf, &device_configs, next) {
2395 if (conf->type != type)
2396 continue;
2397 loc_push_restore(&conf->loc);
2398 rc = func(conf->cmdline);
2399 loc_pop(&conf->loc);
2400 if (rc) {
2401 return rc;
2402 }
2403 }
2404 return 0;
2405 }
2406
2407 static int serial_parse(const char *devname)
2408 {
2409 int index = num_serial_hds;
2410 char label[32];
2411
2412 if (strcmp(devname, "none") == 0)
2413 return 0;
2414 snprintf(label, sizeof(label), "serial%d", index);
2415 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2416
2417 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2418 if (!serial_hds[index]) {
2419 error_report("could not connect serial device"
2420 " to character backend '%s'", devname);
2421 return -1;
2422 }
2423 num_serial_hds++;
2424 return 0;
2425 }
2426
2427 Chardev *serial_hd(int i)
2428 {
2429 assert(i >= 0);
2430 if (i < num_serial_hds) {
2431 return serial_hds[i];
2432 }
2433 return NULL;
2434 }
2435
2436 int serial_max_hds(void)
2437 {
2438 return num_serial_hds;
2439 }
2440
2441 static int parallel_parse(const char *devname)
2442 {
2443 static int index = 0;
2444 char label[32];
2445
2446 if (strcmp(devname, "none") == 0)
2447 return 0;
2448 if (index == MAX_PARALLEL_PORTS) {
2449 error_report("too many parallel ports");
2450 exit(1);
2451 }
2452 snprintf(label, sizeof(label), "parallel%d", index);
2453 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2454 if (!parallel_hds[index]) {
2455 error_report("could not connect parallel device"
2456 " to character backend '%s'", devname);
2457 return -1;
2458 }
2459 index++;
2460 return 0;
2461 }
2462
2463 static int virtcon_parse(const char *devname)
2464 {
2465 QemuOptsList *device = qemu_find_opts("device");
2466 static int index = 0;
2467 char label[32];
2468 QemuOpts *bus_opts, *dev_opts;
2469
2470 if (strcmp(devname, "none") == 0)
2471 return 0;
2472 if (index == MAX_VIRTIO_CONSOLES) {
2473 error_report("too many virtio consoles");
2474 exit(1);
2475 }
2476
2477 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2478 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2479
2480 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2481 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2482
2483 snprintf(label, sizeof(label), "virtcon%d", index);
2484 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2485 if (!virtcon_hds[index]) {
2486 error_report("could not connect virtio console"
2487 " to character backend '%s'", devname);
2488 return -1;
2489 }
2490 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2491
2492 index++;
2493 return 0;
2494 }
2495
2496 static int debugcon_parse(const char *devname)
2497 {
2498 QemuOpts *opts;
2499
2500 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2501 error_report("invalid character backend '%s'", devname);
2502 exit(1);
2503 }
2504 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2505 if (!opts) {
2506 error_report("already have a debugcon device");
2507 exit(1);
2508 }
2509 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2510 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2511 return 0;
2512 }
2513
2514 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2515 {
2516 const MachineClass *mc1 = a, *mc2 = b;
2517 int res;
2518
2519 if (mc1->family == NULL) {
2520 if (mc2->family == NULL) {
2521 /* Compare standalone machine types against each other; they sort
2522 * in increasing order.
2523 */
2524 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2525 object_class_get_name(OBJECT_CLASS(mc2)));
2526 }
2527
2528 /* Standalone machine types sort after families. */
2529 return 1;
2530 }
2531
2532 if (mc2->family == NULL) {
2533 /* Families sort before standalone machine types. */
2534 return -1;
2535 }
2536
2537 /* Families sort between each other alphabetically increasingly. */
2538 res = strcmp(mc1->family, mc2->family);
2539 if (res != 0) {
2540 return res;
2541 }
2542
2543 /* Within the same family, machine types sort in decreasing order. */
2544 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2545 object_class_get_name(OBJECT_CLASS(mc1)));
2546 }
2547
2548 static MachineClass *machine_parse(const char *name)
2549 {
2550 MachineClass *mc = NULL;
2551 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2552
2553 if (name) {
2554 mc = find_machine(name);
2555 }
2556 if (mc) {
2557 g_slist_free(machines);
2558 return mc;
2559 }
2560 if (name && !is_help_option(name)) {
2561 error_report("unsupported machine type");
2562 error_printf("Use -machine help to list supported machines\n");
2563 } else {
2564 printf("Supported machines are:\n");
2565 machines = g_slist_sort(machines, machine_class_cmp);
2566 for (el = machines; el; el = el->next) {
2567 MachineClass *mc = el->data;
2568 if (mc->alias) {
2569 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2570 }
2571 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2572 mc->is_default ? " (default)" : "",
2573 mc->deprecation_reason ? " (deprecated)" : "");
2574 }
2575 }
2576
2577 g_slist_free(machines);
2578 exit(!name || !is_help_option(name));
2579 }
2580
2581 void qemu_add_exit_notifier(Notifier *notify)
2582 {
2583 notifier_list_add(&exit_notifiers, notify);
2584 }
2585
2586 void qemu_remove_exit_notifier(Notifier *notify)
2587 {
2588 notifier_remove(notify);
2589 }
2590
2591 static void qemu_run_exit_notifiers(void)
2592 {
2593 notifier_list_notify(&exit_notifiers, NULL);
2594 }
2595
2596 static const char *pid_file;
2597 static Notifier qemu_unlink_pidfile_notifier;
2598
2599 static void qemu_unlink_pidfile(Notifier *n, void *data)
2600 {
2601 if (pid_file) {
2602 unlink(pid_file);
2603 }
2604 }
2605
2606 bool machine_init_done;
2607
2608 void qemu_add_machine_init_done_notifier(Notifier *notify)
2609 {
2610 notifier_list_add(&machine_init_done_notifiers, notify);
2611 if (machine_init_done) {
2612 notify->notify(notify, NULL);
2613 }
2614 }
2615
2616 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2617 {
2618 notifier_remove(notify);
2619 }
2620
2621 static void qemu_run_machine_init_done_notifiers(void)
2622 {
2623 machine_init_done = true;
2624 notifier_list_notify(&machine_init_done_notifiers, NULL);
2625 }
2626
2627 static const QEMUOption *lookup_opt(int argc, char **argv,
2628 const char **poptarg, int *poptind)
2629 {
2630 const QEMUOption *popt;
2631 int optind = *poptind;
2632 char *r = argv[optind];
2633 const char *optarg;
2634
2635 loc_set_cmdline(argv, optind, 1);
2636 optind++;
2637 /* Treat --foo the same as -foo. */
2638 if (r[1] == '-')
2639 r++;
2640 popt = qemu_options;
2641 for(;;) {
2642 if (!popt->name) {
2643 error_report("invalid option");
2644 exit(1);
2645 }
2646 if (!strcmp(popt->name, r + 1))
2647 break;
2648 popt++;
2649 }
2650 if (popt->flags & HAS_ARG) {
2651 if (optind >= argc) {
2652 error_report("requires an argument");
2653 exit(1);
2654 }
2655 optarg = argv[optind++];
2656 loc_set_cmdline(argv, optind - 2, 2);
2657 } else {
2658 optarg = NULL;
2659 }
2660
2661 *poptarg = optarg;
2662 *poptind = optind;
2663
2664 return popt;
2665 }
2666
2667 static MachineClass *select_machine(void)
2668 {
2669 MachineClass *machine_class = find_default_machine();
2670 const char *optarg;
2671 QemuOpts *opts;
2672 Location loc;
2673
2674 loc_push_none(&loc);
2675
2676 opts = qemu_get_machine_opts();
2677 qemu_opts_loc_restore(opts);
2678
2679 optarg = qemu_opt_get(opts, "type");
2680 if (optarg) {
2681 machine_class = machine_parse(optarg);
2682 }
2683
2684 if (!machine_class) {
2685 error_report("No machine specified, and there is no default");
2686 error_printf("Use -machine help to list supported machines\n");
2687 exit(1);
2688 }
2689
2690 loc_pop(&loc);
2691 return machine_class;
2692 }
2693
2694 static int machine_set_property(void *opaque,
2695 const char *name, const char *value,
2696 Error **errp)
2697 {
2698 Object *obj = OBJECT(opaque);
2699 Error *local_err = NULL;
2700 char *p, *qom_name;
2701
2702 if (strcmp(name, "type") == 0) {
2703 return 0;
2704 }
2705
2706 qom_name = g_strdup(name);
2707 for (p = qom_name; *p; p++) {
2708 if (*p == '_') {
2709 *p = '-';
2710 }
2711 }
2712
2713 object_property_parse(obj, value, qom_name, &local_err);
2714 g_free(qom_name);
2715
2716 if (local_err) {
2717 error_propagate(errp, local_err);
2718 return -1;
2719 }
2720
2721 return 0;
2722 }
2723
2724
2725 /*
2726 * Initial object creation happens before all other
2727 * QEMU data types are created. The majority of objects
2728 * can be created at this point. The rng-egd object
2729 * cannot be created here, as it depends on the chardev
2730 * already existing.
2731 */
2732 static bool object_create_initial(const char *type, QemuOpts *opts)
2733 {
2734 ObjectClass *klass;
2735
2736 if (is_help_option(type)) {
2737 GSList *l, *list;
2738
2739 printf("List of user creatable objects:\n");
2740 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2741 for (l = list; l != NULL; l = l->next) {
2742 ObjectClass *oc = OBJECT_CLASS(l->data);
2743 printf("%s\n", object_class_get_name(oc));
2744 }
2745 g_slist_free(list);
2746 exit(0);
2747 }
2748
2749 klass = object_class_by_name(type);
2750 if (klass && qemu_opt_has_help_opt(opts)) {
2751 ObjectPropertyIterator iter;
2752 ObjectProperty *prop;
2753 GPtrArray *array = g_ptr_array_new();
2754 int i;
2755
2756 object_class_property_iter_init(&iter, klass);
2757 while ((prop = object_property_iter_next(&iter))) {
2758 GString *str;
2759
2760 if (!prop->set) {
2761 continue;
2762 }
2763
2764 str = g_string_new(NULL);
2765 g_string_append_printf(str, "%s.%s=%s", type,
2766 prop->name, prop->type);
2767 if (prop->description) {
2768 g_string_append_printf(str, " - %s", prop->description);
2769 }
2770 g_ptr_array_add(array, g_string_free(str, false));
2771 }
2772 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2773 for (i = 0; i < array->len; i++) {
2774 printf("%s\n", (char *)array->pdata[i]);
2775 }
2776 g_ptr_array_set_free_func(array, g_free);
2777 g_ptr_array_free(array, true);
2778 exit(0);
2779 }
2780
2781 if (g_str_equal(type, "rng-egd") ||
2782 g_str_has_prefix(type, "pr-manager-")) {
2783 return false;
2784 }
2785
2786 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2787 if (g_str_equal(type, "cryptodev-vhost-user")) {
2788 return false;
2789 }
2790 #endif
2791
2792 /*
2793 * return false for concrete netfilters since
2794 * they depend on netdevs already existing
2795 */
2796 if (g_str_equal(type, "filter-buffer") ||
2797 g_str_equal(type, "filter-dump") ||
2798 g_str_equal(type, "filter-mirror") ||
2799 g_str_equal(type, "filter-redirector") ||
2800 g_str_equal(type, "colo-compare") ||
2801 g_str_equal(type, "filter-rewriter") ||
2802 g_str_equal(type, "filter-replay")) {
2803 return false;
2804 }
2805
2806 /* Memory allocation by backends needs to be done
2807 * after configure_accelerator() (due to the tcg_enabled()
2808 * checks at memory_region_init_*()).
2809 *
2810 * Also, allocation of large amounts of memory may delay
2811 * chardev initialization for too long, and trigger timeouts
2812 * on software that waits for a monitor socket to be created
2813 * (e.g. libvirt).
2814 */
2815 if (g_str_has_prefix(type, "memory-backend-")) {
2816 return false;
2817 }
2818
2819 return true;
2820 }
2821
2822
2823 /*
2824 * The remainder of object creation happens after the
2825 * creation of chardev, fsdev, net clients and device data types.
2826 */
2827 static bool object_create_delayed(const char *type, QemuOpts *opts)
2828 {
2829 return !object_create_initial(type, opts);
2830 }
2831
2832
2833 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2834 MachineClass *mc)
2835 {
2836 uint64_t sz;
2837 const char *mem_str;
2838 const ram_addr_t default_ram_size = mc->default_ram_size;
2839 QemuOpts *opts = qemu_find_opts_singleton("memory");
2840 Location loc;
2841
2842 loc_push_none(&loc);
2843 qemu_opts_loc_restore(opts);
2844
2845 sz = 0;
2846 mem_str = qemu_opt_get(opts, "size");
2847 if (mem_str) {
2848 if (!*mem_str) {
2849 error_report("missing 'size' option value");
2850 exit(EXIT_FAILURE);
2851 }
2852
2853 sz = qemu_opt_get_size(opts, "size", ram_size);
2854
2855 /* Fix up legacy suffix-less format */
2856 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2857 uint64_t overflow_check = sz;
2858
2859 sz *= MiB;
2860 if (sz / MiB != overflow_check) {
2861 error_report("too large 'size' option value");
2862 exit(EXIT_FAILURE);
2863 }
2864 }
2865 }
2866
2867 /* backward compatibility behaviour for case "-m 0" */
2868 if (sz == 0) {
2869 sz = default_ram_size;
2870 }
2871
2872 sz = QEMU_ALIGN_UP(sz, 8192);
2873 ram_size = sz;
2874 if (ram_size != sz) {
2875 error_report("ram size too large");
2876 exit(EXIT_FAILURE);
2877 }
2878
2879 /* store value for the future use */
2880 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2881 *maxram_size = ram_size;
2882
2883 if (qemu_opt_get(opts, "maxmem")) {
2884 uint64_t slots;
2885
2886 sz = qemu_opt_get_size(opts, "maxmem", 0);
2887 slots = qemu_opt_get_number(opts, "slots", 0);
2888 if (sz < ram_size) {
2889 error_report("invalid value of -m option maxmem: "
2890 "maximum memory size (0x%" PRIx64 ") must be at least "
2891 "the initial memory size (0x" RAM_ADDR_FMT ")",
2892 sz, ram_size);
2893 exit(EXIT_FAILURE);
2894 } else if (slots && sz == ram_size) {
2895 error_report("invalid value of -m option maxmem: "
2896 "memory slots were specified but maximum memory size "
2897 "(0x%" PRIx64 ") is equal to the initial memory size "
2898 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2899 exit(EXIT_FAILURE);
2900 }
2901
2902 *maxram_size = sz;
2903 *ram_slots = slots;
2904 } else if (qemu_opt_get(opts, "slots")) {
2905 error_report("invalid -m option value: missing 'maxmem' option");
2906 exit(EXIT_FAILURE);
2907 }
2908
2909 loc_pop(&loc);
2910 }
2911
2912 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2913 {
2914 GlobalProperty *g;
2915
2916 g = g_malloc0(sizeof(*g));
2917 g->driver = qemu_opt_get(opts, "driver");
2918 g->property = qemu_opt_get(opts, "property");
2919 g->value = qemu_opt_get(opts, "value");
2920 g->user_provided = true;
2921 g->errp = &error_fatal;
2922 qdev_prop_register_global(g);
2923 return 0;
2924 }
2925
2926 static int qemu_read_default_config_file(void)
2927 {
2928 int ret;
2929
2930 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2931 if (ret < 0 && ret != -ENOENT) {
2932 return ret;
2933 }
2934
2935 return 0;
2936 }
2937
2938 static void user_register_global_props(void)
2939 {
2940 qemu_opts_foreach(qemu_find_opts("global"),
2941 global_init_func, NULL, NULL);
2942 }
2943
2944 /*
2945 * Note: we should see that these properties are actually having a
2946 * priority: accel < machine < user. This means e.g. when user
2947 * specifies something in "-global", it'll always be used with highest
2948 * priority than either machine/accelerator compat properties.
2949 */
2950 static void register_global_properties(MachineState *ms)
2951 {
2952 accel_register_compat_props(ms->accelerator);
2953 machine_register_compat_props(ms);
2954 user_register_global_props();
2955 }
2956
2957 int main(int argc, char **argv, char **envp)
2958 {
2959 int i;
2960 int snapshot, linux_boot;
2961 const char *initrd_filename;
2962 const char *kernel_filename, *kernel_cmdline;
2963 const char *boot_order = NULL;
2964 const char *boot_once = NULL;
2965 DisplayState *ds;
2966 QemuOpts *opts, *machine_opts;
2967 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2968 QemuOptsList *olist;
2969 int optind;
2970 const char *optarg;
2971 const char *loadvm = NULL;
2972 MachineClass *machine_class;
2973 const char *cpu_model;
2974 const char *vga_model = NULL;
2975 const char *qtest_chrdev = NULL;
2976 const char *qtest_log = NULL;
2977 const char *incoming = NULL;
2978 bool userconfig = true;
2979 bool nographic = false;
2980 int display_remote = 0;
2981 const char *log_mask = NULL;
2982 const char *log_file = NULL;
2983 char *trace_file = NULL;
2984 ram_addr_t maxram_size;
2985 uint64_t ram_slots = 0;
2986 FILE *vmstate_dump_file = NULL;
2987 Error *main_loop_err = NULL;
2988 Error *err = NULL;
2989 bool list_data_dirs = false;
2990 char *dir, **dirs;
2991 typedef struct BlockdevOptions_queue {
2992 BlockdevOptions *bdo;
2993 Location loc;
2994 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2995 } BlockdevOptions_queue;
2996 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2997 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2998
2999 module_call_init(MODULE_INIT_TRACE);
3000
3001 qemu_init_cpu_list();
3002 qemu_init_cpu_loop();
3003
3004 qemu_mutex_lock_iothread();
3005
3006 atexit(qemu_run_exit_notifiers);
3007 error_set_progname(argv[0]);
3008 qemu_init_exec_dir(argv[0]);
3009
3010 module_call_init(MODULE_INIT_QOM);
3011
3012 qemu_add_opts(&qemu_drive_opts);
3013 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3014 qemu_add_drive_opts(&qemu_common_drive_opts);
3015 qemu_add_drive_opts(&qemu_drive_opts);
3016 qemu_add_drive_opts(&bdrv_runtime_opts);
3017 qemu_add_opts(&qemu_chardev_opts);
3018 qemu_add_opts(&qemu_device_opts);
3019 qemu_add_opts(&qemu_netdev_opts);
3020 qemu_add_opts(&qemu_nic_opts);
3021 qemu_add_opts(&qemu_net_opts);
3022 qemu_add_opts(&qemu_rtc_opts);
3023 qemu_add_opts(&qemu_global_opts);
3024 qemu_add_opts(&qemu_mon_opts);
3025 qemu_add_opts(&qemu_trace_opts);
3026 qemu_add_opts(&qemu_option_rom_opts);
3027 qemu_add_opts(&qemu_machine_opts);
3028 qemu_add_opts(&qemu_accel_opts);
3029 qemu_add_opts(&qemu_mem_opts);
3030 qemu_add_opts(&qemu_smp_opts);
3031 qemu_add_opts(&qemu_boot_opts);
3032 qemu_add_opts(&qemu_add_fd_opts);
3033 qemu_add_opts(&qemu_object_opts);
3034 qemu_add_opts(&qemu_tpmdev_opts);
3035 qemu_add_opts(&qemu_realtime_opts);
3036 qemu_add_opts(&qemu_overcommit_opts);
3037 qemu_add_opts(&qemu_msg_opts);
3038 qemu_add_opts(&qemu_name_opts);
3039 qemu_add_opts(&qemu_numa_opts);
3040 qemu_add_opts(&qemu_icount_opts);
3041 qemu_add_opts(&qemu_semihosting_config_opts);
3042 qemu_add_opts(&qemu_fw_cfg_opts);
3043 module_call_init(MODULE_INIT_OPTS);
3044
3045 runstate_init();
3046 postcopy_infrastructure_init();
3047 monitor_init_globals();
3048
3049 if (qcrypto_init(&err) < 0) {
3050 error_reportf_err(err, "cannot initialize crypto: ");
3051 exit(1);
3052 }
3053
3054 QLIST_INIT (&vm_change_state_head);
3055 os_setup_early_signal_handling();
3056
3057 cpu_model = NULL;
3058 snapshot = 0;
3059
3060 nb_nics = 0;
3061
3062 bdrv_init_with_whitelist();
3063
3064 autostart = 1;
3065
3066 /* first pass of option parsing */
3067 optind = 1;
3068 while (optind < argc) {
3069 if (argv[optind][0] != '-') {
3070 /* disk image */
3071 optind++;
3072 } else {
3073 const QEMUOption *popt;
3074
3075 popt = lookup_opt(argc, argv, &optarg, &optind);
3076 switch (popt->index) {
3077 case QEMU_OPTION_nouserconfig:
3078 userconfig = false;
3079 break;
3080 }
3081 }
3082 }
3083
3084 if (userconfig) {
3085 if (qemu_read_default_config_file() < 0) {
3086 exit(1);
3087 }
3088 }
3089
3090 /* second pass of option parsing */
3091 optind = 1;
3092 for(;;) {
3093 if (optind >= argc)
3094 break;
3095 if (argv[optind][0] != '-') {
3096 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3097 } else {
3098 const QEMUOption *popt;
3099
3100 popt = lookup_opt(argc, argv, &optarg, &optind);
3101 if (!(popt->arch_mask & arch_type)) {
3102 error_report("Option not supported for this target");
3103 exit(1);
3104 }
3105 switch(popt->index) {
3106 case QEMU_OPTION_cpu:
3107 /* hw initialization will check this */
3108 cpu_model = optarg;
3109 break;
3110 case QEMU_OPTION_hda:
3111 case QEMU_OPTION_hdb:
3112 case QEMU_OPTION_hdc:
3113 case QEMU_OPTION_hdd:
3114 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3115 HD_OPTS);
3116 break;
3117 case QEMU_OPTION_blockdev:
3118 {
3119 Visitor *v;
3120 BlockdevOptions_queue *bdo;
3121
3122 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3123 if (!v) {
3124 error_report_err(err);
3125 exit(1);
3126 }
3127
3128 bdo = g_new(BlockdevOptions_queue, 1);
3129 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3130 &error_fatal);
3131 visit_free(v);
3132 loc_save(&bdo->loc);
3133 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3134 break;
3135 }
3136 case QEMU_OPTION_drive:
3137 if (drive_def(optarg) == NULL) {
3138 exit(1);
3139 }
3140 break;
3141 case QEMU_OPTION_set:
3142 if (qemu_set_option(optarg) != 0)
3143 exit(1);
3144 break;
3145 case QEMU_OPTION_global:
3146 if (qemu_global_option(optarg) != 0)
3147 exit(1);
3148 break;
3149 case QEMU_OPTION_mtdblock:
3150 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3151 break;
3152 case QEMU_OPTION_sd:
3153 drive_add(IF_SD, -1, optarg, SD_OPTS);
3154 break;
3155 case QEMU_OPTION_pflash:
3156 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3157 break;
3158 case QEMU_OPTION_snapshot:
3159 snapshot = 1;
3160 break;
3161 case QEMU_OPTION_numa:
3162 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3163 optarg, true);
3164 if (!opts) {
3165 exit(1);
3166 }
3167 break;
3168 case QEMU_OPTION_display:
3169 parse_display(optarg);
3170 break;
3171 case QEMU_OPTION_nographic:
3172 olist = qemu_find_opts("machine");
3173 qemu_opts_parse_noisily(olist, "graphics=off", false);
3174 nographic = true;
3175 dpy.type = DISPLAY_TYPE_NONE;
3176 break;
3177 case QEMU_OPTION_curses:
3178 #ifdef CONFIG_CURSES
3179 dpy.type = DISPLAY_TYPE_CURSES;
3180 #else
3181 error_report("curses support is disabled");
3182 exit(1);
3183 #endif
3184 break;
3185 case QEMU_OPTION_portrait:
3186 graphic_rotate = 90;
3187 break;
3188 case QEMU_OPTION_rotate:
3189 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3190 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3191 graphic_rotate != 180 && graphic_rotate != 270) {
3192 error_report("only 90, 180, 270 deg rotation is available");
3193 exit(1);
3194 }
3195 break;
3196 case QEMU_OPTION_kernel:
3197 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3198 &error_abort);
3199 break;
3200 case QEMU_OPTION_initrd:
3201 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3202 &error_abort);
3203 break;
3204 case QEMU_OPTION_append:
3205 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3206 &error_abort);
3207 break;
3208 case QEMU_OPTION_dtb:
3209 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3210 &error_abort);
3211 break;
3212 case QEMU_OPTION_cdrom:
3213 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3214 break;
3215 case QEMU_OPTION_boot:
3216 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3217 optarg, true);
3218 if (!opts) {
3219 exit(1);
3220 }
3221 break;
3222 case QEMU_OPTION_fda:
3223 case QEMU_OPTION_fdb:
3224 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3225 optarg, FD_OPTS);
3226 break;
3227 case QEMU_OPTION_no_fd_bootchk:
3228 fd_bootchk = 0;
3229 break;
3230 case QEMU_OPTION_netdev:
3231 default_net = 0;
3232 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3233 exit(1);
3234 }
3235 break;
3236 case QEMU_OPTION_nic:
3237 default_net = 0;
3238 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3239 exit(1);
3240 }
3241 break;
3242 case QEMU_OPTION_net:
3243 default_net = 0;
3244 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3245 exit(1);
3246 }
3247 break;
3248 #ifdef CONFIG_LIBISCSI
3249 case QEMU_OPTION_iscsi:
3250 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3251 optarg, false);
3252 if (!opts) {
3253 exit(1);
3254 }
3255 break;
3256 #endif
3257 case QEMU_OPTION_bt:
3258 add_device_config(DEV_BT, optarg);
3259 break;
3260 case QEMU_OPTION_audio_help:
3261 AUD_help ();
3262 exit (0);
3263 break;
3264 case QEMU_OPTION_soundhw:
3265 select_soundhw (optarg);
3266 break;
3267 case QEMU_OPTION_h:
3268 help(0);
3269 break;
3270 case QEMU_OPTION_version:
3271 version();
3272 exit(0);
3273 break;
3274 case QEMU_OPTION_m:
3275 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3276 optarg, true);
3277 if (!opts) {
3278 exit(EXIT_FAILURE);
3279 }
3280 break;
3281 #ifdef CONFIG_TPM
3282 case QEMU_OPTION_tpmdev:
3283 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3284 exit(1);
3285 }
3286 break;
3287 #endif
3288 case QEMU_OPTION_mempath:
3289 mem_path = optarg;
3290 break;
3291 case QEMU_OPTION_mem_prealloc:
3292 mem_prealloc = 1;
3293 break;
3294 case QEMU_OPTION_d:
3295 log_mask = optarg;
3296 break;
3297 case QEMU_OPTION_D:
3298 log_file = optarg;
3299 break;
3300 case QEMU_OPTION_DFILTER:
3301 qemu_set_dfilter_ranges(optarg, &error_fatal);
3302 break;
3303 case QEMU_OPTION_s:
3304 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3305 break;
3306 case QEMU_OPTION_gdb:
3307 add_device_config(DEV_GDB, optarg);
3308 break;
3309 case QEMU_OPTION_L:
3310 if (is_help_option(optarg)) {
3311 list_data_dirs = true;
3312 } else {
3313 qemu_add_data_dir(optarg);
3314 }
3315 break;
3316 case QEMU_OPTION_bios:
3317 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3318 &error_abort);
3319 break;
3320 case QEMU_OPTION_singlestep:
3321 singlestep = 1;
3322 break;
3323 case QEMU_OPTION_S:
3324 autostart = 0;
3325 break;
3326 case QEMU_OPTION_k:
3327 keyboard_layout = optarg;
3328 break;
3329 case QEMU_OPTION_vga:
3330 vga_model = optarg;
3331 default_vga = 0;
3332 break;
3333 case QEMU_OPTION_g:
3334 {
3335 const char *p;
3336 int w, h, depth;
3337 p = optarg;
3338 w = strtol(p, (char **)&p, 10);
3339 if (w <= 0) {
3340 graphic_error:
3341 error_report("invalid resolution or depth");
3342 exit(1);
3343 }
3344 if (*p != 'x')
3345 goto graphic_error;
3346 p++;
3347 h = strtol(p, (char **)&p, 10);
3348 if (h <= 0)
3349 goto graphic_error;
3350 if (*p == 'x') {
3351 p++;
3352 depth = strtol(p, (char **)&p, 10);
3353 if (depth != 8 && depth != 15 && depth != 16 &&
3354 depth != 24 && depth != 32)
3355 goto graphic_error;
3356 } else if (*p == '\0') {
3357 depth = graphic_depth;
3358 } else {
3359 goto graphic_error;
3360 }
3361
3362 graphic_width = w;
3363 graphic_height = h;
3364 graphic_depth = depth;
3365 }
3366 break;
3367 case QEMU_OPTION_echr:
3368 {
3369 char *r;
3370 term_escape_char = strtol(optarg, &r, 0);
3371 if (r == optarg)
3372 printf("Bad argument to echr\n");
3373 break;
3374 }
3375 case QEMU_OPTION_monitor:
3376 default_monitor = 0;
3377 if (strncmp(optarg, "none", 4)) {
3378 monitor_parse(optarg, "readline", false);
3379 }
3380 break;
3381 case QEMU_OPTION_qmp:
3382 monitor_parse(optarg, "control", false);
3383 default_monitor = 0;
3384 break;
3385 case QEMU_OPTION_qmp_pretty:
3386 monitor_parse(optarg, "control", true);
3387 default_monitor = 0;
3388 break;
3389 case QEMU_OPTION_mon:
3390 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3391 true);
3392 if (!opts) {
3393 exit(1);
3394 }
3395 default_monitor = 0;
3396 break;
3397 case QEMU_OPTION_chardev:
3398 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3399 optarg, true);
3400 if (!opts) {
3401 exit(1);
3402 }
3403 break;
3404 case QEMU_OPTION_fsdev:
3405 olist = qemu_find_opts("fsdev");
3406 if (!olist) {
3407 error_report("fsdev support is disabled");
3408 exit(1);
3409 }
3410 opts = qemu_opts_parse_noisily(olist, optarg, true);
3411 if (!opts) {
3412 exit(1);
3413 }
3414 break;
3415 case QEMU_OPTION_virtfs: {
3416 QemuOpts *fsdev;
3417 QemuOpts *device;
3418 const char *writeout, *sock_fd, *socket, *path, *security_model;
3419
3420 olist = qemu_find_opts("virtfs");
3421 if (!olist) {
3422 error_report("virtfs support is disabled");
3423 exit(1);
3424 }
3425 opts = qemu_opts_parse_noisily(olist, optarg, true);
3426 if (!opts) {
3427 exit(1);
3428 }
3429
3430 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3431 qemu_opt_get(opts, "mount_tag") == NULL) {
3432 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3433 exit(1);
3434 }
3435 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3436 qemu_opts_id(opts) ?:
3437 qemu_opt_get(opts, "mount_tag"),
3438 1, NULL);
3439 if (!fsdev) {
3440 error_report("duplicate or invalid fsdev id: %s",
3441 qemu_opt_get(opts, "mount_tag"));
3442 exit(1);
3443 }
3444
3445 writeout = qemu_opt_get(opts, "writeout");
3446 if (writeout) {
3447 #ifdef CONFIG_SYNC_FILE_RANGE
3448 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3449 #else
3450 error_report("writeout=immediate not supported "
3451 "on this platform");
3452 exit(1);
3453 #endif
3454 }
3455 qemu_opt_set(fsdev, "fsdriver",
3456 qemu_opt_get(opts, "fsdriver"), &error_abort);
3457 path = qemu_opt_get(opts, "path");
3458 if (path) {
3459 qemu_opt_set(fsdev, "path", path, &error_abort);
3460 }
3461 security_model = qemu_opt_get(opts, "security_model");
3462 if (security_model) {
3463 qemu_opt_set(fsdev, "security_model", security_model,
3464 &error_abort);
3465 }
3466 socket = qemu_opt_get(opts, "socket");
3467 if (socket) {
3468 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3469 }
3470 sock_fd = qemu_opt_get(opts, "sock_fd");
3471 if (sock_fd) {
3472 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3473 }
3474
3475 qemu_opt_set_bool(fsdev, "readonly",
3476 qemu_opt_get_bool(opts, "readonly", 0),
3477 &error_abort);
3478 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3479 &error_abort);
3480 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3481 qemu_opt_set(device, "fsdev",
3482 qemu_opts_id(fsdev), &error_abort);
3483 qemu_opt_set(device, "mount_tag",
3484 qemu_opt_get(opts, "mount_tag"), &error_abort);
3485 break;
3486 }
3487 case QEMU_OPTION_virtfs_synth: {
3488 QemuOpts *fsdev;
3489 QemuOpts *device;
3490
3491 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3492 1, NULL);
3493 if (!fsdev) {
3494 error_report("duplicate option: %s", "virtfs_synth");
3495 exit(1);
3496 }
3497 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3498
3499 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3500 &error_abort);
3501 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3502 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3503 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3504 break;
3505 }
3506 case QEMU_OPTION_serial:
3507 add_device_config(DEV_SERIAL, optarg);
3508 default_serial = 0;
3509 if (strncmp(optarg, "mon:", 4) == 0) {
3510 default_monitor = 0;
3511 }
3512 break;
3513 case QEMU_OPTION_watchdog:
3514 if (watchdog) {
3515 error_report("only one watchdog option may be given");
3516 return 1;
3517 }
3518 watchdog = optarg;
3519 break;
3520 case QEMU_OPTION_watchdog_action:
3521 if (select_watchdog_action(optarg) == -1) {
3522 error_report("unknown -watchdog-action parameter");
3523 exit(1);
3524 }
3525 break;
3526 case QEMU_OPTION_virtiocon:
3527 warn_report("This option is deprecated, "
3528 "use '-device virtconsole' instead");
3529 add_device_config(DEV_VIRTCON, optarg);
3530 default_virtcon = 0;
3531 if (strncmp(optarg, "mon:", 4) == 0) {
3532 default_monitor = 0;
3533 }
3534 break;
3535 case QEMU_OPTION_parallel:
3536 add_device_config(DEV_PARALLEL, optarg);
3537 default_parallel = 0;
3538 if (strncmp(optarg, "mon:", 4) == 0) {
3539 default_monitor = 0;
3540 }
3541 break;
3542 case QEMU_OPTION_debugcon:
3543 add_device_config(DEV_DEBUGCON, optarg);
3544 break;
3545 case QEMU_OPTION_loadvm:
3546 loadvm = optarg;
3547 break;
3548 case QEMU_OPTION_full_screen:
3549 dpy.has_full_screen = true;
3550 dpy.full_screen = true;
3551 break;
3552 case QEMU_OPTION_no_frame:
3553 g_printerr("The -no-frame switch is deprecated, and will be\n"
3554 "removed in a future release.\n");
3555 no_frame = 1;
3556 break;
3557 case QEMU_OPTION_alt_grab:
3558 alt_grab = 1;
3559 break;
3560 case QEMU_OPTION_ctrl_grab:
3561 ctrl_grab = 1;
3562 break;
3563 case QEMU_OPTION_no_quit:
3564 dpy.has_window_close = true;
3565 dpy.window_close = false;
3566 break;
3567 case QEMU_OPTION_sdl:
3568 #ifdef CONFIG_SDL
3569 dpy.type = DISPLAY_TYPE_SDL;
3570 break;
3571 #else
3572 error_report("SDL support is disabled");
3573 exit(1);
3574 #endif
3575 case QEMU_OPTION_pidfile:
3576 pid_file = optarg;
3577 break;
3578 case QEMU_OPTION_win2k_hack:
3579 win2k_install_hack = 1;
3580 break;
3581 case QEMU_OPTION_acpitable:
3582 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3583 optarg, true);
3584 if (!opts) {
3585 exit(1);
3586 }
3587 acpi_table_add(opts, &error_fatal);
3588 break;
3589 case QEMU_OPTION_smbios:
3590 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3591 optarg, false);
3592 if (!opts) {
3593 exit(1);
3594 }
3595 smbios_entry_add(opts, &error_fatal);
3596 break;
3597 case QEMU_OPTION_fwcfg:
3598 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3599 optarg, true);
3600 if (opts == NULL) {
3601 exit(1);
3602 }
3603 break;
3604 case QEMU_OPTION_preconfig:
3605 preconfig_exit_requested = false;
3606 break;
3607 case QEMU_OPTION_enable_kvm:
3608 olist = qemu_find_opts("machine");
3609 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3610 break;
3611 case QEMU_OPTION_enable_hax:
3612 warn_report("Option is deprecated, use '-accel hax' instead");
3613 olist = qemu_find_opts("machine");
3614 qemu_opts_parse_noisily(olist, "accel=hax", false);
3615 break;
3616 case QEMU_OPTION_M:
3617 case QEMU_OPTION_machine:
3618 olist = qemu_find_opts("machine");
3619 opts = qemu_opts_parse_noisily(olist, optarg, true);
3620 if (!opts) {
3621 exit(1);
3622 }
3623 break;
3624 case QEMU_OPTION_no_kvm:
3625 olist = qemu_find_opts("machine");
3626 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3627 break;
3628 case QEMU_OPTION_accel:
3629 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3630 optarg, true);
3631 optarg = qemu_opt_get(accel_opts, "accel");
3632 if (!optarg || is_help_option(optarg)) {
3633 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3634 exit(0);
3635 }
3636 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3637 false, &error_abort);
3638 qemu_opt_set(opts, "accel", optarg, &error_abort);
3639 break;
3640 case QEMU_OPTION_usb:
3641 olist = qemu_find_opts("machine");
3642 qemu_opts_parse_noisily(olist, "usb=on", false);
3643 break;
3644 case QEMU_OPTION_usbdevice:
3645 error_report("'-usbdevice' is deprecated, please use "
3646 "'-device usb-...' instead");
3647 olist = qemu_find_opts("machine");
3648 qemu_opts_parse_noisily(olist, "usb=on", false);
3649 add_device_config(DEV_USB, optarg);
3650 break;
3651 case QEMU_OPTION_device:
3652 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3653 optarg, true)) {
3654 exit(1);
3655 }
3656 break;
3657 case QEMU_OPTION_smp:
3658 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3659 optarg, true)) {
3660 exit(1);
3661 }
3662 break;
3663 case QEMU_OPTION_vnc:
3664 vnc_parse(optarg, &error_fatal);
3665 break;
3666 case QEMU_OPTION_no_acpi:
3667 acpi_enabled = 0;
3668 break;
3669 case QEMU_OPTION_no_hpet:
3670 no_hpet = 1;
3671 break;
3672 case QEMU_OPTION_no_reboot:
3673 no_reboot = 1;
3674 break;
3675 case QEMU_OPTION_no_shutdown:
3676 no_shutdown = 1;
3677 break;
3678 case QEMU_OPTION_show_cursor:
3679 cursor_hide = 0;
3680 break;
3681 case QEMU_OPTION_uuid:
3682 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3683 error_report("failed to parse UUID string: wrong format");
3684 exit(1);
3685 }
3686 qemu_uuid_set = true;
3687 break;
3688 case QEMU_OPTION_option_rom:
3689 if (nb_option_roms >= MAX_OPTION_ROMS) {
3690 error_report("too many option ROMs");
3691 exit(1);
3692 }
3693 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3694 optarg, true);
3695 if (!opts) {
3696 exit(1);
3697 }
3698 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3699 option_rom[nb_option_roms].bootindex =
3700 qemu_opt_get_number(opts, "bootindex", -1);
3701 if (!option_rom[nb_option_roms].name) {
3702 error_report("Option ROM file is not specified");
3703 exit(1);
3704 }
3705 nb_option_roms++;
3706 break;
3707 case QEMU_OPTION_semihosting:
3708 semihosting.enabled = true;
3709 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3710 break;
3711 case QEMU_OPTION_semihosting_config:
3712 semihosting.enabled = true;
3713 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3714 optarg, false);
3715 if (opts != NULL) {
3716 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3717 true);
3718 const char *target = qemu_opt_get(opts, "target");
3719 if (target != NULL) {
3720 if (strcmp("native", target) == 0) {
3721 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3722 } else if (strcmp("gdb", target) == 0) {
3723 semihosting.target = SEMIHOSTING_TARGET_GDB;
3724 } else if (strcmp("auto", target) == 0) {
3725 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3726 } else {
3727 error_report("unsupported semihosting-config %s",
3728 optarg);
3729 exit(1);
3730 }
3731 } else {
3732 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3733 }
3734 /* Set semihosting argument count and vector */
3735 qemu_opt_foreach(opts, add_semihosting_arg,
3736 &semihosting, NULL);
3737 } else {
3738 error_report("unsupported semihosting-config %s", optarg);
3739 exit(1);
3740 }
3741 break;
3742 case QEMU_OPTION_name:
3743 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3744 optarg, true);
3745 if (!opts) {
3746 exit(1);
3747 }
3748 break;
3749 case QEMU_OPTION_prom_env:
3750 if (nb_prom_envs >= MAX_PROM_ENVS) {
3751 error_report("too many prom variables");
3752 exit(1);
3753 }
3754 prom_envs[nb_prom_envs] = optarg;
3755 nb_prom_envs++;
3756 break;
3757 case QEMU_OPTION_old_param:
3758 old_param = 1;
3759 break;
3760 case QEMU_OPTION_clock:
3761 /* Clock options no longer exist. Keep this option for
3762 * backward compatibility.
3763 */
3764 warn_report("This option is ignored and will be removed soon");
3765 break;
3766 case QEMU_OPTION_rtc:
3767 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3768 false);
3769 if (!opts) {
3770 exit(1);
3771 }
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_enable_sync_profile:
3962 qsp_enable();
3963 break;
3964 case QEMU_OPTION_nouserconfig:
3965 /* Nothing to be parsed here. Especially, do not error out below. */
3966 break;
3967 default:
3968 if (os_parse_cmd_args(popt->index, optarg)) {
3969 error_report("Option not supported in this build");
3970 exit(1);
3971 }
3972 }
3973 }
3974 }
3975 /*
3976 * Clear error location left behind by the loop.
3977 * Best done right after the loop. Do not insert code here!
3978 */
3979 loc_set_none();
3980
3981 replay_configure(icount_opts);
3982
3983 if (incoming && !preconfig_exit_requested) {
3984 error_report("'preconfig' and 'incoming' options are "
3985 "mutually exclusive");
3986 exit(EXIT_FAILURE);
3987 }
3988
3989 configure_rtc(qemu_find_opts_singleton("rtc"));
3990
3991 machine_class = select_machine();
3992
3993 set_memory_options(&ram_slots, &maxram_size, machine_class);
3994
3995 os_daemonize();
3996 rcu_disable_atfork();
3997
3998 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3999 error_reportf_err(err, "cannot create PID file: ");
4000 exit(1);
4001 }
4002
4003 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4004 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4005
4006 if (qemu_init_main_loop(&main_loop_err)) {
4007 error_report_err(main_loop_err);
4008 exit(1);
4009 }
4010
4011 #ifdef CONFIG_SECCOMP
4012 olist = qemu_find_opts_err("sandbox", NULL);
4013 if (olist) {
4014 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4015 }
4016 #endif
4017
4018 qemu_opts_foreach(qemu_find_opts("name"),
4019 parse_name, NULL, &error_fatal);
4020
4021 #ifndef _WIN32
4022 qemu_opts_foreach(qemu_find_opts("add-fd"),
4023 parse_add_fd, NULL, &error_fatal);
4024
4025 qemu_opts_foreach(qemu_find_opts("add-fd"),
4026 cleanup_add_fd, NULL, &error_fatal);
4027 #endif
4028
4029 current_machine = MACHINE(object_new(object_class_get_name(
4030 OBJECT_CLASS(machine_class))));
4031 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4032 exit(0);
4033 }
4034 object_property_add_child(object_get_root(), "machine",
4035 OBJECT(current_machine), &error_abort);
4036
4037 if (machine_class->minimum_page_bits) {
4038 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4039 /* This would be a board error: specifying a minimum smaller than
4040 * a target's compile-time fixed setting.
4041 */
4042 g_assert_not_reached();
4043 }
4044 }
4045
4046 cpu_exec_init_all();
4047
4048 if (machine_class->hw_version) {
4049 qemu_set_hw_version(machine_class->hw_version);
4050 }
4051
4052 if (cpu_model && is_help_option(cpu_model)) {
4053 list_cpus(stdout, &fprintf, cpu_model);
4054 exit(0);
4055 }
4056
4057 if (!trace_init_backends()) {
4058 exit(1);
4059 }
4060 trace_init_file(trace_file);
4061
4062 /* Open the logfile at this point and set the log mask if necessary.
4063 */
4064 if (log_file) {
4065 qemu_set_log_filename(log_file, &error_fatal);
4066 }
4067
4068 if (log_mask) {
4069 int mask;
4070 mask = qemu_str_to_log_mask(log_mask);
4071 if (!mask) {
4072 qemu_print_log_usage(stdout);
4073 exit(1);
4074 }
4075 qemu_set_log(mask);
4076 } else {
4077 qemu_set_log(0);
4078 }
4079
4080 /* add configured firmware directories */
4081 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4082 for (i = 0; dirs[i] != NULL; i++) {
4083 qemu_add_data_dir(dirs[i]);
4084 }
4085 g_strfreev(dirs);
4086
4087 /* try to find datadir relative to the executable path */
4088 dir = os_find_datadir();
4089 qemu_add_data_dir(dir);
4090 g_free(dir);
4091
4092 /* add the datadir specified when building */
4093 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4094
4095 /* -L help lists the data directories and exits. */
4096 if (list_data_dirs) {
4097 for (i = 0; i < data_dir_idx; i++) {
4098 printf("%s\n", data_dir[i]);
4099 }
4100 exit(0);
4101 }
4102
4103 /* machine_class: default to UP */
4104 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4105 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4106 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4107
4108 /* default to machine_class->default_cpus */
4109 smp_cpus = machine_class->default_cpus;
4110 max_cpus = machine_class->default_cpus;
4111
4112 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4113
4114 /* sanity-check smp_cpus and max_cpus against machine_class */
4115 if (smp_cpus < machine_class->min_cpus) {
4116 error_report("Invalid SMP CPUs %d. The min CPUs "
4117 "supported by machine '%s' is %d", smp_cpus,
4118 machine_class->name, machine_class->min_cpus);
4119 exit(1);
4120 }
4121 if (max_cpus > machine_class->max_cpus) {
4122 error_report("Invalid SMP CPUs %d. The max CPUs "
4123 "supported by machine '%s' is %d", max_cpus,
4124 machine_class->name, machine_class->max_cpus);
4125 exit(1);
4126 }
4127
4128 /*
4129 * Get the default machine options from the machine if it is not already
4130 * specified either by the configuration file or by the command line.
4131 */
4132 if (machine_class->default_machine_opts) {
4133 qemu_opts_set_defaults(qemu_find_opts("machine"),
4134 machine_class->default_machine_opts, 0);
4135 }
4136
4137 qemu_opts_foreach(qemu_find_opts("device"),
4138 default_driver_check, NULL, NULL);
4139 qemu_opts_foreach(qemu_find_opts("global"),
4140 default_driver_check, NULL, NULL);
4141
4142 if (!vga_model && !default_vga) {
4143 vga_interface_type = VGA_DEVICE;
4144 }
4145 if (!has_defaults || machine_class->no_serial) {
4146 default_serial = 0;
4147 }
4148 if (!has_defaults || machine_class->no_parallel) {
4149 default_parallel = 0;
4150 }
4151 if (!has_defaults || !machine_class->use_virtcon) {
4152 default_virtcon = 0;
4153 }
4154 if (!has_defaults || machine_class->no_floppy) {
4155 default_floppy = 0;
4156 }
4157 if (!has_defaults || machine_class->no_cdrom) {
4158 default_cdrom = 0;
4159 }
4160 if (!has_defaults || machine_class->no_sdcard) {
4161 default_sdcard = 0;
4162 }
4163 if (!has_defaults) {
4164 default_monitor = 0;
4165 default_net = 0;
4166 default_vga = 0;
4167 }
4168
4169 if (is_daemonized()) {
4170 if (!preconfig_exit_requested) {
4171 error_report("'preconfig' and 'daemonize' options are "
4172 "mutually exclusive");
4173 exit(EXIT_FAILURE);
4174 }
4175
4176 /* According to documentation and historically, -nographic redirects
4177 * serial port, parallel port and monitor to stdio, which does not work
4178 * with -daemonize. We can redirect these to null instead, but since
4179 * -nographic is legacy, let's just error out.
4180 * We disallow -nographic only if all other ports are not redirected
4181 * explicitly, to not break existing legacy setups which uses
4182 * -nographic _and_ redirects all ports explicitly - this is valid
4183 * usage, -nographic is just a no-op in this case.
4184 */
4185 if (nographic
4186 && (default_parallel || default_serial
4187 || default_monitor || default_virtcon)) {
4188 error_report("-nographic cannot be used with -daemonize");
4189 exit(1);
4190 }
4191 #ifdef CONFIG_CURSES
4192 if (dpy.type == DISPLAY_TYPE_CURSES) {
4193 error_report("curses display cannot be used with -daemonize");
4194 exit(1);
4195 }
4196 #endif
4197 }
4198
4199 if (nographic) {
4200 if (default_parallel)
4201 add_device_config(DEV_PARALLEL, "null");
4202 if (default_serial && default_monitor) {
4203 add_device_config(DEV_SERIAL, "mon:stdio");
4204 } else if (default_virtcon && default_monitor) {
4205 add_device_config(DEV_VIRTCON, "mon:stdio");
4206 } else {
4207 if (default_serial)
4208 add_device_config(DEV_SERIAL, "stdio");
4209 if (default_virtcon)
4210 add_device_config(DEV_VIRTCON, "stdio");
4211 if (default_monitor)
4212 monitor_parse("stdio", "readline", false);
4213 }
4214 } else {
4215 if (default_serial)
4216 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4217 if (default_parallel)
4218 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4219 if (default_monitor)
4220 monitor_parse("vc:80Cx24C", "readline", false);
4221 if (default_virtcon)
4222 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4223 }
4224
4225 #if defined(CONFIG_VNC)
4226 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4227 display_remote++;
4228 }
4229 #endif
4230 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4231 if (!qemu_display_find_default(&dpy)) {
4232 dpy.type = DISPLAY_TYPE_NONE;
4233 #if defined(CONFIG_VNC)
4234 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4235 #endif
4236 }
4237 }
4238 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4239 dpy.type = DISPLAY_TYPE_NONE;
4240 }
4241
4242 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4243 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4244 "for SDL, ignoring option");
4245 }
4246 if (dpy.has_window_close &&
4247 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4248 error_report("-no-quit is only valid for GTK and SDL, "
4249 "ignoring option");
4250 }
4251
4252 qemu_display_early_init(&dpy);
4253 qemu_console_early_init();
4254
4255 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4256 #if defined(CONFIG_OPENGL)
4257 error_report("OpenGL is not supported by the display");
4258 #else
4259 error_report("OpenGL support is disabled");
4260 #endif
4261 exit(1);
4262 }
4263
4264 page_size_init();
4265 socket_init();
4266
4267 qemu_opts_foreach(qemu_find_opts("object"),
4268 user_creatable_add_opts_foreach,
4269 object_create_initial, &error_fatal);
4270
4271 qemu_opts_foreach(qemu_find_opts("chardev"),
4272 chardev_init_func, NULL, &error_fatal);
4273
4274 #ifdef CONFIG_VIRTFS
4275 qemu_opts_foreach(qemu_find_opts("fsdev"),
4276 fsdev_init_func, NULL, &error_fatal);
4277 #endif
4278
4279 if (qemu_opts_foreach(qemu_find_opts("device"),
4280 device_help_func, NULL, NULL)) {
4281 exit(0);
4282 }
4283
4284 machine_opts = qemu_get_machine_opts();
4285 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4286 &error_fatal);
4287
4288 configure_accelerator(current_machine);
4289
4290 if (!qtest_enabled() && machine_class->deprecation_reason) {
4291 error_report("Machine type '%s' is deprecated: %s",
4292 machine_class->name, machine_class->deprecation_reason);
4293 }
4294
4295 /*
4296 * Register all the global properties, including accel properties,
4297 * machine properties, and user-specified ones.
4298 */
4299 register_global_properties(current_machine);
4300
4301 /*
4302 * Migration object can only be created after global properties
4303 * are applied correctly.
4304 */
4305 migration_object_init();
4306
4307 if (qtest_chrdev) {
4308 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4309 }
4310
4311 machine_opts = qemu_get_machine_opts();
4312 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4313 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4314 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4315 bios_name = qemu_opt_get(machine_opts, "firmware");
4316
4317 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4318 if (opts) {
4319 boot_order = qemu_opt_get(opts, "order");
4320 if (boot_order) {
4321 validate_bootdevices(boot_order, &error_fatal);
4322 }
4323
4324 boot_once = qemu_opt_get(opts, "once");
4325 if (boot_once) {
4326 validate_bootdevices(boot_once, &error_fatal);
4327 }
4328
4329 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4330 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4331 }
4332
4333 if (!boot_order) {
4334 boot_order = machine_class->default_boot_order;
4335 }
4336
4337 if (!kernel_cmdline) {
4338 kernel_cmdline = "";
4339 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4340 }
4341
4342 linux_boot = (kernel_filename != NULL);
4343
4344 if (!linux_boot && *kernel_cmdline != '\0') {
4345 error_report("-append only allowed with -kernel option");
4346 exit(1);
4347 }
4348
4349 if (!linux_boot && initrd_filename != NULL) {
4350 error_report("-initrd only allowed with -kernel option");
4351 exit(1);
4352 }
4353
4354 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4355 /* fall back to the -kernel/-append */
4356 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4357 }
4358
4359 os_set_line_buffering();
4360
4361 /* spice needs the timers to be initialized by this point */
4362 qemu_spice_init();
4363
4364 cpu_ticks_init();
4365 if (icount_opts) {
4366 if (!tcg_enabled()) {
4367 error_report("-icount is not allowed with hardware virtualization");
4368 exit(1);
4369 }
4370 configure_icount(icount_opts, &error_abort);
4371 qemu_opts_del(icount_opts);
4372 }
4373
4374 if (tcg_enabled()) {
4375 qemu_tcg_configure(accel_opts, &error_fatal);
4376 }
4377
4378 if (default_net) {
4379 QemuOptsList *net = qemu_find_opts("net");
4380 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4381 #ifdef CONFIG_SLIRP
4382 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4383 #endif
4384 }
4385
4386 if (net_init_clients(&err) < 0) {
4387 error_report_err(err);
4388 exit(1);
4389 }
4390
4391 qemu_opts_foreach(qemu_find_opts("object"),
4392 user_creatable_add_opts_foreach,
4393 object_create_delayed, &error_fatal);
4394
4395 tpm_init();
4396
4397 /* init the bluetooth world */
4398 if (foreach_device_config(DEV_BT, bt_parse))
4399 exit(1);
4400
4401 if (!xen_enabled()) {
4402 /* On 32-bit hosts, QEMU is limited by virtual address space */
4403 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4404 error_report("at most 2047 MB RAM can be simulated");
4405 exit(1);
4406 }
4407 }
4408
4409 blk_mig_init();
4410 ram_mig_init();
4411 dirty_bitmap_mig_init();
4412
4413 /* If the currently selected machine wishes to override the units-per-bus
4414 * property of its default HBA interface type, do so now. */
4415 if (machine_class->units_per_default_bus) {
4416 override_max_devs(machine_class->block_default_type,
4417 machine_class->units_per_default_bus);
4418 }
4419
4420 /* open the virtual block devices */
4421 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4422 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4423
4424 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4425 loc_push_restore(&bdo->loc);
4426 qmp_blockdev_add(bdo->bdo, &error_fatal);
4427 loc_pop(&bdo->loc);
4428 qapi_free_BlockdevOptions(bdo->bdo);
4429 g_free(bdo);
4430 }
4431 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4432 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4433 NULL, NULL);
4434 }
4435 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4436 &machine_class->block_default_type, &error_fatal)) {
4437 /* We printed help */
4438 exit(0);
4439 }
4440
4441 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4442 CDROM_OPTS);
4443 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4444 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4445
4446 qemu_opts_foreach(qemu_find_opts("mon"),
4447 mon_init_func, NULL, &error_fatal);
4448
4449 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4450 exit(1);
4451 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4452 exit(1);
4453 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4454 exit(1);
4455 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4456 exit(1);
4457
4458 /* If no default VGA is requested, the default is "none". */
4459 if (default_vga) {
4460 if (machine_class->default_display) {
4461 vga_model = machine_class->default_display;
4462 } else if (vga_interface_available(VGA_CIRRUS)) {
4463 vga_model = "cirrus";
4464 } else if (vga_interface_available(VGA_STD)) {
4465 vga_model = "std";
4466 }
4467 }
4468 if (vga_model) {
4469 select_vgahw(vga_model);
4470 }
4471
4472 if (watchdog) {
4473 i = select_watchdog(watchdog);
4474 if (i > 0)
4475 exit (i == 1 ? 1 : 0);
4476 }
4477
4478 /* This checkpoint is required by replay to separate prior clock
4479 reading from the other reads, because timer polling functions query
4480 clock values from the log. */
4481 replay_checkpoint(CHECKPOINT_INIT);
4482 qdev_machine_init();
4483
4484 current_machine->ram_size = ram_size;
4485 current_machine->maxram_size = maxram_size;
4486 current_machine->ram_slots = ram_slots;
4487 current_machine->boot_order = boot_order;
4488
4489 /* parse features once if machine provides default cpu_type */
4490 current_machine->cpu_type = machine_class->default_cpu_type;
4491 if (cpu_model) {
4492 current_machine->cpu_type = parse_cpu_model(cpu_model);
4493 }
4494 parse_numa_opts(current_machine);
4495
4496 /* do monitor/qmp handling at preconfig state if requested */
4497 main_loop();
4498
4499 /* from here on runstate is RUN_STATE_PRELAUNCH */
4500 machine_run_board_init(current_machine);
4501
4502 realtime_init();
4503
4504 soundhw_init();
4505
4506 if (hax_enabled()) {
4507 hax_sync_vcpus();
4508 }
4509
4510 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4511 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4512
4513 /* init USB devices */
4514 if (machine_usb(current_machine)) {
4515 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4516 exit(1);
4517 }
4518
4519 /* Check if IGD GFX passthrough. */
4520 igd_gfx_passthru();
4521
4522 /* init generic devices */
4523 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4524 qemu_opts_foreach(qemu_find_opts("device"),
4525 device_init_func, NULL, &error_fatal);
4526
4527 cpu_synchronize_all_post_init();
4528
4529 rom_reset_order_override();
4530
4531 /* Did we create any drives that we failed to create a device for? */
4532 drive_check_orphaned();
4533
4534 /* Don't warn about the default network setup that you get if
4535 * no command line -net or -netdev options are specified. There
4536 * are two cases that we would otherwise complain about:
4537 * (1) board doesn't support a NIC but the implicit "-net nic"
4538 * requested one
4539 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4540 * sets up a nic that isn't connected to anything.
4541 */
4542 if (!default_net && (!qtest_enabled() || has_defaults)) {
4543 net_check_clients();
4544 }
4545
4546 if (boot_once) {
4547 qemu_boot_set(boot_once, &error_fatal);
4548 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4549 }
4550
4551 /* init local displays */
4552 ds = init_displaystate();
4553 qemu_display_init(ds, &dpy);
4554
4555 /* must be after terminal init, SDL library changes signal handlers */
4556 os_setup_signal_handling();
4557
4558 /* init remote displays */
4559 #ifdef CONFIG_VNC
4560 qemu_opts_foreach(qemu_find_opts("vnc"),
4561 vnc_init_func, NULL, &error_fatal);
4562 #endif
4563
4564 if (using_spice) {
4565 qemu_spice_display_init();
4566 }
4567
4568 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4569 exit(1);
4570 }
4571
4572 qdev_machine_creation_done();
4573
4574 /* TODO: once all bus devices are qdevified, this should be done
4575 * when bus is created by qdev.c */
4576 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4577 qemu_run_machine_init_done_notifiers();
4578
4579 if (rom_check_and_register_reset() != 0) {
4580 error_report("rom check and register reset failed");
4581 exit(1);
4582 }
4583
4584 replay_start();
4585
4586 /* This checkpoint is required by replay to separate prior clock
4587 reading from the other reads, because timer polling functions query
4588 clock values from the log. */
4589 replay_checkpoint(CHECKPOINT_RESET);
4590 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4591 register_global_state();
4592 if (loadvm) {
4593 Error *local_err = NULL;
4594 if (load_snapshot(loadvm, &local_err) < 0) {
4595 error_report_err(local_err);
4596 autostart = 0;
4597 exit(1);
4598 }
4599 }
4600 if (replay_mode != REPLAY_MODE_NONE) {
4601 replay_vmstate_init();
4602 }
4603
4604 qdev_prop_check_globals();
4605 if (vmstate_dump_file) {
4606 /* dump and exit */
4607 dump_vmstate_json_to_file(vmstate_dump_file);
4608 return 0;
4609 }
4610
4611 if (incoming) {
4612 Error *local_err = NULL;
4613 qemu_start_incoming_migration(incoming, &local_err);
4614 if (local_err) {
4615 error_reportf_err(local_err, "-incoming %s: ", incoming);
4616 exit(1);
4617 }
4618 } else if (autostart) {
4619 vm_start();
4620 }
4621
4622 accel_setup_post(current_machine);
4623 os_setup_post();
4624
4625 main_loop();
4626
4627 gdbserver_cleanup();
4628
4629 /* No more vcpu or device emulation activity beyond this point */
4630 vm_shutdown();
4631
4632 job_cancel_sync_all();
4633 bdrv_close_all();
4634
4635 res_free();
4636
4637 /* vhost-user must be cleaned up before chardevs. */
4638 tpm_cleanup();
4639 net_cleanup();
4640 audio_cleanup();
4641 monitor_cleanup();
4642 qemu_chr_cleanup();
4643 user_creatable_cleanup();
4644 migration_object_finalize();
4645 /* TODO: unref root container, check all devices are ok */
4646
4647 return 0;
4648 }
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