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framebuffer: make display updates thread safe
[qemu.git] / vl.c
blob0b4ed5241c8412c0533d2ffc134bcc4d26ad9072
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 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
29
30 #ifdef CONFIG_SECCOMP
31 #include "sysemu/seccomp.h"
32 #endif
33
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
36 #endif
37
38 #ifdef CONFIG_SDL
39 #if defined(__APPLE__) || defined(main)
40 #include <SDL.h>
41 int qemu_main(int argc, char **argv, char **envp);
42 int main(int argc, char **argv)
43 {
44 return qemu_main(argc, argv, NULL);
45 }
46 #undef main
47 #define main qemu_main
48 #endif
49 #endif /* CONFIG_SDL */
50
51 #ifdef CONFIG_COCOA
52 #undef main
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
55
56
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
59 #include "hw/hw.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
62 #include "hw/usb.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
65 #include "hw/scsi/scsi.h"
66 #include "hw/bt.h"
67 #include "sysemu/watchdog.h"
68 #include "hw/smbios/smbios.h"
69 #include "hw/acpi/acpi.h"
70 #include "hw/xen/xen.h"
71 #include "hw/qdev.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
75 #include "net/net.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
79 #include "ui/input.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "qemu/log.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/cpus.h"
95 #include "migration/colo.h"
96 #include "sysemu/kvm.h"
97 #include "sysemu/hax.h"
98 #include "qapi/qobject-input-visitor.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qapi-visit.h"
101 #include "qapi/qmp/qjson.h"
102 #include "qemu/option.h"
103 #include "qemu/config-file.h"
104 #include "qemu-options.h"
105 #include "qmp-commands.h"
106 #include "qemu/main-loop.h"
107 #ifdef CONFIG_VIRTFS
108 #include "fsdev/qemu-fsdev.h"
109 #endif
110 #include "sysemu/qtest.h"
111
112 #include "disas/disas.h"
113
114
115 #include "slirp/libslirp.h"
116
117 #include "trace-root.h"
118 #include "trace/control.h"
119 #include "qemu/queue.h"
120 #include "sysemu/arch_init.h"
121
122 #include "ui/qemu-spice.h"
123 #include "qapi/string-input-visitor.h"
124 #include "qapi/opts-visitor.h"
125 #include "qom/object_interfaces.h"
126 #include "qapi-event.h"
127 #include "exec/semihost.h"
128 #include "crypto/init.h"
129 #include "sysemu/replay.h"
130 #include "qapi/qmp/qerror.h"
131 #include "sysemu/iothread.h"
132
133 #define MAX_VIRTIO_CONSOLES 1
134 #define MAX_SCLP_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 request_opengl = -1;
141 int display_opengl;
142 const char* keyboard_layout = NULL;
143 ram_addr_t ram_size;
144 const char *mem_path = NULL;
145 int mem_prealloc = 0; /* force preallocation of physical target memory */
146 bool enable_mlock = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static int rtc_utc = 1;
151 static int rtc_date_offset = -1; /* -1 means no change */
152 QEMUClockType rtc_clock;
153 int vga_interface_type = VGA_NONE;
154 static int full_screen = 0;
155 static int no_frame = 0;
156 int no_quit = 0;
157 static bool grab_on_hover;
158 Chardev *serial_hds[MAX_SERIAL_PORTS];
159 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
160 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
161 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
162 int win2k_install_hack = 0;
163 int singlestep = 0;
164 int smp_cpus = 1;
165 int max_cpus = 1;
166 int smp_cores = 1;
167 int smp_threads = 1;
168 int acpi_enabled = 1;
169 int no_hpet = 0;
170 int fd_bootchk = 1;
171 static int no_reboot;
172 int no_shutdown = 0;
173 int cursor_hide = 1;
174 int graphic_rotate = 0;
175 const char *watchdog;
176 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
177 int nb_option_roms;
178 int old_param = 0;
179 const char *qemu_name;
180 int alt_grab = 0;
181 int ctrl_grab = 0;
182 unsigned int nb_prom_envs = 0;
183 const char *prom_envs[MAX_PROM_ENVS];
184 int boot_menu;
185 bool boot_strict;
186 uint8_t *boot_splash_filedata;
187 size_t boot_splash_filedata_size;
188 uint8_t qemu_extra_params_fw[2];
189 int only_migratable; /* turn it off unless user states otherwise */
190
191 int icount_align_option;
192
193 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
195 */
196 QemuUUID qemu_uuid;
197 bool qemu_uuid_set;
198
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
201
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
204
205 bool xen_allowed;
206 uint32_t xen_domid;
207 enum xen_mode xen_mode = XEN_EMULATE;
208
209 static int has_defaults = 1;
210 static int default_serial = 1;
211 static int default_parallel = 1;
212 static int default_virtcon = 1;
213 static int default_sclp = 1;
214 static int default_monitor = 1;
215 static int default_floppy = 1;
216 static int default_cdrom = 1;
217 static int default_sdcard = 1;
218 static int default_vga = 1;
219 static int default_net = 1;
220
221 static struct {
222 const char *driver;
223 int *flag;
224 } default_list[] = {
225 { .driver = "isa-serial", .flag = &default_serial },
226 { .driver = "isa-parallel", .flag = &default_parallel },
227 { .driver = "isa-fdc", .flag = &default_floppy },
228 { .driver = "floppy", .flag = &default_floppy },
229 { .driver = "ide-cd", .flag = &default_cdrom },
230 { .driver = "ide-hd", .flag = &default_cdrom },
231 { .driver = "ide-drive", .flag = &default_cdrom },
232 { .driver = "scsi-cd", .flag = &default_cdrom },
233 { .driver = "scsi-hd", .flag = &default_cdrom },
234 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
235 { .driver = "virtio-serial", .flag = &default_virtcon },
236 { .driver = "VGA", .flag = &default_vga },
237 { .driver = "isa-vga", .flag = &default_vga },
238 { .driver = "cirrus-vga", .flag = &default_vga },
239 { .driver = "isa-cirrus-vga", .flag = &default_vga },
240 { .driver = "vmware-svga", .flag = &default_vga },
241 { .driver = "qxl-vga", .flag = &default_vga },
242 { .driver = "virtio-vga", .flag = &default_vga },
243 };
244
245 static QemuOptsList qemu_rtc_opts = {
246 .name = "rtc",
247 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
248 .desc = {
249 {
250 .name = "base",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "clock",
254 .type = QEMU_OPT_STRING,
255 },{
256 .name = "driftfix",
257 .type = QEMU_OPT_STRING,
258 },
259 { /* end of list */ }
260 },
261 };
262
263 static QemuOptsList qemu_sandbox_opts = {
264 .name = "sandbox",
265 .implied_opt_name = "enable",
266 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
267 .desc = {
268 {
269 .name = "enable",
270 .type = QEMU_OPT_BOOL,
271 },
272 { /* end of list */ }
273 },
274 };
275
276 static QemuOptsList qemu_option_rom_opts = {
277 .name = "option-rom",
278 .implied_opt_name = "romfile",
279 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
280 .desc = {
281 {
282 .name = "bootindex",
283 .type = QEMU_OPT_NUMBER,
284 }, {
285 .name = "romfile",
286 .type = QEMU_OPT_STRING,
287 },
288 { /* end of list */ }
289 },
290 };
291
292 static QemuOptsList qemu_machine_opts = {
293 .name = "machine",
294 .implied_opt_name = "type",
295 .merge_lists = true,
296 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
297 .desc = {
298 /*
299 * no elements => accept any
300 * sanity checking will happen later
301 * when setting machine properties
302 */
303 { }
304 },
305 };
306
307 static QemuOptsList qemu_accel_opts = {
308 .name = "accel",
309 .implied_opt_name = "accel",
310 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
311 .merge_lists = true,
312 .desc = {
313 {
314 .name = "accel",
315 .type = QEMU_OPT_STRING,
316 .help = "Select the type of accelerator",
317 },
318 {
319 .name = "thread",
320 .type = QEMU_OPT_STRING,
321 .help = "Enable/disable multi-threaded TCG",
322 },
323 { /* end of list */ }
324 },
325 };
326
327 static QemuOptsList qemu_boot_opts = {
328 .name = "boot-opts",
329 .implied_opt_name = "order",
330 .merge_lists = true,
331 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
332 .desc = {
333 {
334 .name = "order",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "once",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "menu",
341 .type = QEMU_OPT_BOOL,
342 }, {
343 .name = "splash",
344 .type = QEMU_OPT_STRING,
345 }, {
346 .name = "splash-time",
347 .type = QEMU_OPT_STRING,
348 }, {
349 .name = "reboot-timeout",
350 .type = QEMU_OPT_STRING,
351 }, {
352 .name = "strict",
353 .type = QEMU_OPT_BOOL,
354 },
355 { /*End of list */ }
356 },
357 };
358
359 static QemuOptsList qemu_add_fd_opts = {
360 .name = "add-fd",
361 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
362 .desc = {
363 {
364 .name = "fd",
365 .type = QEMU_OPT_NUMBER,
366 .help = "file descriptor of which a duplicate is added to fd set",
367 },{
368 .name = "set",
369 .type = QEMU_OPT_NUMBER,
370 .help = "ID of the fd set to add fd to",
371 },{
372 .name = "opaque",
373 .type = QEMU_OPT_STRING,
374 .help = "free-form string used to describe fd",
375 },
376 { /* end of list */ }
377 },
378 };
379
380 static QemuOptsList qemu_object_opts = {
381 .name = "object",
382 .implied_opt_name = "qom-type",
383 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
384 .desc = {
385 { }
386 },
387 };
388
389 static QemuOptsList qemu_tpmdev_opts = {
390 .name = "tpmdev",
391 .implied_opt_name = "type",
392 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
393 .desc = {
394 /* options are defined in the TPM backends */
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_realtime_opts = {
400 .name = "realtime",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
402 .desc = {
403 {
404 .name = "mlock",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_msg_opts = {
412 .name = "msg",
413 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
414 .desc = {
415 {
416 .name = "timestamp",
417 .type = QEMU_OPT_BOOL,
418 },
419 { /* end of list */ }
420 },
421 };
422
423 static QemuOptsList qemu_name_opts = {
424 .name = "name",
425 .implied_opt_name = "guest",
426 .merge_lists = true,
427 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
428 .desc = {
429 {
430 .name = "guest",
431 .type = QEMU_OPT_STRING,
432 .help = "Sets the name of the guest.\n"
433 "This name will be displayed in the SDL window caption.\n"
434 "The name will also be used for the VNC server",
435 }, {
436 .name = "process",
437 .type = QEMU_OPT_STRING,
438 .help = "Sets the name of the QEMU process, as shown in top etc",
439 }, {
440 .name = "debug-threads",
441 .type = QEMU_OPT_BOOL,
442 .help = "When enabled, name the individual threads; defaults off.\n"
443 "NOTE: The thread names are for debugging and not a\n"
444 "stable API.",
445 },
446 { /* End of list */ }
447 },
448 };
449
450 static QemuOptsList qemu_mem_opts = {
451 .name = "memory",
452 .implied_opt_name = "size",
453 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
454 .merge_lists = true,
455 .desc = {
456 {
457 .name = "size",
458 .type = QEMU_OPT_SIZE,
459 },
460 {
461 .name = "slots",
462 .type = QEMU_OPT_NUMBER,
463 },
464 {
465 .name = "maxmem",
466 .type = QEMU_OPT_SIZE,
467 },
468 { /* end of list */ }
469 },
470 };
471
472 static QemuOptsList qemu_icount_opts = {
473 .name = "icount",
474 .implied_opt_name = "shift",
475 .merge_lists = true,
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
477 .desc = {
478 {
479 .name = "shift",
480 .type = QEMU_OPT_STRING,
481 }, {
482 .name = "align",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "sleep",
486 .type = QEMU_OPT_BOOL,
487 }, {
488 .name = "rr",
489 .type = QEMU_OPT_STRING,
490 }, {
491 .name = "rrfile",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "rrsnapshot",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_semihosting_config_opts = {
502 .name = "semihosting-config",
503 .implied_opt_name = "enable",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
505 .desc = {
506 {
507 .name = "enable",
508 .type = QEMU_OPT_BOOL,
509 }, {
510 .name = "target",
511 .type = QEMU_OPT_STRING,
512 }, {
513 .name = "arg",
514 .type = QEMU_OPT_STRING,
515 },
516 { /* end of list */ }
517 },
518 };
519
520 static QemuOptsList qemu_fw_cfg_opts = {
521 .name = "fw_cfg",
522 .implied_opt_name = "name",
523 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
524 .desc = {
525 {
526 .name = "name",
527 .type = QEMU_OPT_STRING,
528 .help = "Sets the fw_cfg name of the blob to be inserted",
529 }, {
530 .name = "file",
531 .type = QEMU_OPT_STRING,
532 .help = "Sets the name of the file from which\n"
533 "the fw_cfg blob will be loaded",
534 }, {
535 .name = "string",
536 .type = QEMU_OPT_STRING,
537 .help = "Sets content of the blob to be inserted from a string",
538 },
539 { /* end of list */ }
540 },
541 };
542
543 /**
544 * Get machine options
545 *
546 * Returns: machine options (never null).
547 */
548 QemuOpts *qemu_get_machine_opts(void)
549 {
550 return qemu_find_opts_singleton("machine");
551 }
552
553 const char *qemu_get_vm_name(void)
554 {
555 return qemu_name;
556 }
557
558 static void res_free(void)
559 {
560 g_free(boot_splash_filedata);
561 boot_splash_filedata = NULL;
562 }
563
564 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
565 {
566 const char *driver = qemu_opt_get(opts, "driver");
567 int i;
568
569 if (!driver)
570 return 0;
571 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
572 if (strcmp(default_list[i].driver, driver) != 0)
573 continue;
574 *(default_list[i].flag) = 0;
575 }
576 return 0;
577 }
578
579 /***********************************************************/
580 /* QEMU state */
581
582 static RunState current_run_state = RUN_STATE_PRELAUNCH;
583
584 /* We use RUN_STATE__MAX but any invalid value will do */
585 static RunState vmstop_requested = RUN_STATE__MAX;
586 static QemuMutex vmstop_lock;
587
588 typedef struct {
589 RunState from;
590 RunState to;
591 } RunStateTransition;
592
593 static const RunStateTransition runstate_transitions_def[] = {
594 /* from -> to */
595 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
596 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
598
599 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
600 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
601 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
602 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
603 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
604 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
605 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
606 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
607 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
608 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
609 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
610 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
611
612 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
613 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
615
616 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
617 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
618 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
619
620 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
621 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
622 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
623 { RUN_STATE_PAUSED, RUN_STATE_COLO},
624
625 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
626 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
628
629 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
630 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
632
633 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
634 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
635 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
636 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
637
638 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
639 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
640
641 { RUN_STATE_COLO, RUN_STATE_RUNNING },
642
643 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
644 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
645 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
646 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
647 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
649 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
650 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
651 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
652 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
653 { RUN_STATE_RUNNING, RUN_STATE_COLO},
654
655 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
656
657 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
658 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
659 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
660
661 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
662 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
663 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
664 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
666 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
667
668 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
669 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
670 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
671 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
672
673 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
674 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
675 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
676
677 { RUN_STATE__MAX, RUN_STATE__MAX },
678 };
679
680 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
681
682 bool runstate_check(RunState state)
683 {
684 return current_run_state == state;
685 }
686
687 bool runstate_store(char *str, size_t size)
688 {
689 const char *state = RunState_lookup[current_run_state];
690 size_t len = strlen(state) + 1;
691
692 if (len > size) {
693 return false;
694 }
695 memcpy(str, state, len);
696 return true;
697 }
698
699 static void runstate_init(void)
700 {
701 const RunStateTransition *p;
702
703 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
704 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
705 runstate_valid_transitions[p->from][p->to] = true;
706 }
707
708 qemu_mutex_init(&vmstop_lock);
709 }
710
711 /* This function will abort() on invalid state transitions */
712 void runstate_set(RunState new_state)
713 {
714 assert(new_state < RUN_STATE__MAX);
715
716 if (current_run_state == new_state) {
717 return;
718 }
719
720 if (!runstate_valid_transitions[current_run_state][new_state]) {
721 error_report("invalid runstate transition: '%s' -> '%s'",
722 RunState_lookup[current_run_state],
723 RunState_lookup[new_state]);
724 abort();
725 }
726 trace_runstate_set(new_state);
727 current_run_state = new_state;
728 }
729
730 int runstate_is_running(void)
731 {
732 return runstate_check(RUN_STATE_RUNNING);
733 }
734
735 bool runstate_needs_reset(void)
736 {
737 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
738 runstate_check(RUN_STATE_SHUTDOWN);
739 }
740
741 StatusInfo *qmp_query_status(Error **errp)
742 {
743 StatusInfo *info = g_malloc0(sizeof(*info));
744
745 info->running = runstate_is_running();
746 info->singlestep = singlestep;
747 info->status = current_run_state;
748
749 return info;
750 }
751
752 bool qemu_vmstop_requested(RunState *r)
753 {
754 qemu_mutex_lock(&vmstop_lock);
755 *r = vmstop_requested;
756 vmstop_requested = RUN_STATE__MAX;
757 qemu_mutex_unlock(&vmstop_lock);
758 return *r < RUN_STATE__MAX;
759 }
760
761 void qemu_system_vmstop_request_prepare(void)
762 {
763 qemu_mutex_lock(&vmstop_lock);
764 }
765
766 void qemu_system_vmstop_request(RunState state)
767 {
768 vmstop_requested = state;
769 qemu_mutex_unlock(&vmstop_lock);
770 qemu_notify_event();
771 }
772
773 /***********************************************************/
774 /* real time host monotonic timer */
775
776 static time_t qemu_time(void)
777 {
778 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
779 }
780
781 /***********************************************************/
782 /* host time/date access */
783 void qemu_get_timedate(struct tm *tm, int offset)
784 {
785 time_t ti = qemu_time();
786
787 ti += offset;
788 if (rtc_date_offset == -1) {
789 if (rtc_utc)
790 gmtime_r(&ti, tm);
791 else
792 localtime_r(&ti, tm);
793 } else {
794 ti -= rtc_date_offset;
795 gmtime_r(&ti, tm);
796 }
797 }
798
799 int qemu_timedate_diff(struct tm *tm)
800 {
801 time_t seconds;
802
803 if (rtc_date_offset == -1)
804 if (rtc_utc)
805 seconds = mktimegm(tm);
806 else {
807 struct tm tmp = *tm;
808 tmp.tm_isdst = -1; /* use timezone to figure it out */
809 seconds = mktime(&tmp);
810 }
811 else
812 seconds = mktimegm(tm) + rtc_date_offset;
813
814 return seconds - qemu_time();
815 }
816
817 static void configure_rtc_date_offset(const char *startdate, int legacy)
818 {
819 time_t rtc_start_date;
820 struct tm tm;
821
822 if (!strcmp(startdate, "now") && legacy) {
823 rtc_date_offset = -1;
824 } else {
825 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
826 &tm.tm_year,
827 &tm.tm_mon,
828 &tm.tm_mday,
829 &tm.tm_hour,
830 &tm.tm_min,
831 &tm.tm_sec) == 6) {
832 /* OK */
833 } else if (sscanf(startdate, "%d-%d-%d",
834 &tm.tm_year,
835 &tm.tm_mon,
836 &tm.tm_mday) == 3) {
837 tm.tm_hour = 0;
838 tm.tm_min = 0;
839 tm.tm_sec = 0;
840 } else {
841 goto date_fail;
842 }
843 tm.tm_year -= 1900;
844 tm.tm_mon--;
845 rtc_start_date = mktimegm(&tm);
846 if (rtc_start_date == -1) {
847 date_fail:
848 error_report("invalid date format");
849 error_printf("valid formats: "
850 "'2006-06-17T16:01:21' or '2006-06-17'\n");
851 exit(1);
852 }
853 rtc_date_offset = qemu_time() - rtc_start_date;
854 }
855 }
856
857 static void configure_rtc(QemuOpts *opts)
858 {
859 const char *value;
860
861 value = qemu_opt_get(opts, "base");
862 if (value) {
863 if (!strcmp(value, "utc")) {
864 rtc_utc = 1;
865 } else if (!strcmp(value, "localtime")) {
866 Error *blocker = NULL;
867 rtc_utc = 0;
868 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
869 "-rtc base=localtime");
870 replay_add_blocker(blocker);
871 } else {
872 configure_rtc_date_offset(value, 0);
873 }
874 }
875 value = qemu_opt_get(opts, "clock");
876 if (value) {
877 if (!strcmp(value, "host")) {
878 rtc_clock = QEMU_CLOCK_HOST;
879 } else if (!strcmp(value, "rt")) {
880 rtc_clock = QEMU_CLOCK_REALTIME;
881 } else if (!strcmp(value, "vm")) {
882 rtc_clock = QEMU_CLOCK_VIRTUAL;
883 } else {
884 error_report("invalid option value '%s'", value);
885 exit(1);
886 }
887 }
888 value = qemu_opt_get(opts, "driftfix");
889 if (value) {
890 if (!strcmp(value, "slew")) {
891 static GlobalProperty slew_lost_ticks = {
892 .driver = "mc146818rtc",
893 .property = "lost_tick_policy",
894 .value = "slew",
895 };
896
897 qdev_prop_register_global(&slew_lost_ticks);
898 } else if (!strcmp(value, "none")) {
899 /* discard is default */
900 } else {
901 error_report("invalid option value '%s'", value);
902 exit(1);
903 }
904 }
905 }
906
907 /***********************************************************/
908 /* Bluetooth support */
909 static int nb_hcis;
910 static int cur_hci;
911 static struct HCIInfo *hci_table[MAX_NICS];
912
913 struct HCIInfo *qemu_next_hci(void)
914 {
915 if (cur_hci == nb_hcis)
916 return &null_hci;
917
918 return hci_table[cur_hci++];
919 }
920
921 static int bt_hci_parse(const char *str)
922 {
923 struct HCIInfo *hci;
924 bdaddr_t bdaddr;
925
926 if (nb_hcis >= MAX_NICS) {
927 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
928 return -1;
929 }
930
931 hci = hci_init(str);
932 if (!hci)
933 return -1;
934
935 bdaddr.b[0] = 0x52;
936 bdaddr.b[1] = 0x54;
937 bdaddr.b[2] = 0x00;
938 bdaddr.b[3] = 0x12;
939 bdaddr.b[4] = 0x34;
940 bdaddr.b[5] = 0x56 + nb_hcis;
941 hci->bdaddr_set(hci, bdaddr.b);
942
943 hci_table[nb_hcis++] = hci;
944
945 return 0;
946 }
947
948 static void bt_vhci_add(int vlan_id)
949 {
950 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
951
952 if (!vlan->slave)
953 error_report("warning: adding a VHCI to an empty scatternet %i",
954 vlan_id);
955
956 bt_vhci_init(bt_new_hci(vlan));
957 }
958
959 static struct bt_device_s *bt_device_add(const char *opt)
960 {
961 struct bt_scatternet_s *vlan;
962 int vlan_id = 0;
963 char *endp = strstr(opt, ",vlan=");
964 int len = (endp ? endp - opt : strlen(opt)) + 1;
965 char devname[10];
966
967 pstrcpy(devname, MIN(sizeof(devname), len), opt);
968
969 if (endp) {
970 vlan_id = strtol(endp + 6, &endp, 0);
971 if (*endp) {
972 error_report("unrecognised bluetooth vlan Id");
973 return 0;
974 }
975 }
976
977 vlan = qemu_find_bt_vlan(vlan_id);
978
979 if (!vlan->slave)
980 error_report("warning: adding a slave device to an empty scatternet %i",
981 vlan_id);
982
983 if (!strcmp(devname, "keyboard"))
984 return bt_keyboard_init(vlan);
985
986 error_report("unsupported bluetooth device '%s'", devname);
987 return 0;
988 }
989
990 static int bt_parse(const char *opt)
991 {
992 const char *endp, *p;
993 int vlan;
994
995 if (strstart(opt, "hci", &endp)) {
996 if (!*endp || *endp == ',') {
997 if (*endp)
998 if (!strstart(endp, ",vlan=", 0))
999 opt = endp + 1;
1000
1001 return bt_hci_parse(opt);
1002 }
1003 } else if (strstart(opt, "vhci", &endp)) {
1004 if (!*endp || *endp == ',') {
1005 if (*endp) {
1006 if (strstart(endp, ",vlan=", &p)) {
1007 vlan = strtol(p, (char **) &endp, 0);
1008 if (*endp) {
1009 error_report("bad scatternet '%s'", p);
1010 return 1;
1011 }
1012 } else {
1013 error_report("bad parameter '%s'", endp + 1);
1014 return 1;
1015 }
1016 } else
1017 vlan = 0;
1018
1019 bt_vhci_add(vlan);
1020 return 0;
1021 }
1022 } else if (strstart(opt, "device:", &endp))
1023 return !bt_device_add(endp);
1024
1025 error_report("bad bluetooth parameter '%s'", opt);
1026 return 1;
1027 }
1028
1029 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1030 {
1031 /* FIXME: change this to true for 1.3 */
1032 if (qemu_opt_get_bool(opts, "enable", false)) {
1033 #ifdef CONFIG_SECCOMP
1034 if (seccomp_start() < 0) {
1035 error_report("failed to install seccomp syscall filter "
1036 "in the kernel");
1037 return -1;
1038 }
1039 #else
1040 error_report("seccomp support is disabled");
1041 return -1;
1042 #endif
1043 }
1044
1045 return 0;
1046 }
1047
1048 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1049 {
1050 const char *proc_name;
1051
1052 if (qemu_opt_get(opts, "debug-threads")) {
1053 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1054 }
1055 qemu_name = qemu_opt_get(opts, "guest");
1056
1057 proc_name = qemu_opt_get(opts, "process");
1058 if (proc_name) {
1059 os_set_proc_name(proc_name);
1060 }
1061
1062 return 0;
1063 }
1064
1065 bool defaults_enabled(void)
1066 {
1067 return has_defaults;
1068 }
1069
1070 #ifndef _WIN32
1071 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1072 {
1073 int fd, dupfd, flags;
1074 int64_t fdset_id;
1075 const char *fd_opaque = NULL;
1076 AddfdInfo *fdinfo;
1077
1078 fd = qemu_opt_get_number(opts, "fd", -1);
1079 fdset_id = qemu_opt_get_number(opts, "set", -1);
1080 fd_opaque = qemu_opt_get(opts, "opaque");
1081
1082 if (fd < 0) {
1083 error_report("fd option is required and must be non-negative");
1084 return -1;
1085 }
1086
1087 if (fd <= STDERR_FILENO) {
1088 error_report("fd cannot be a standard I/O stream");
1089 return -1;
1090 }
1091
1092 /*
1093 * All fds inherited across exec() necessarily have FD_CLOEXEC
1094 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1095 */
1096 flags = fcntl(fd, F_GETFD);
1097 if (flags == -1 || (flags & FD_CLOEXEC)) {
1098 error_report("fd is not valid or already in use");
1099 return -1;
1100 }
1101
1102 if (fdset_id < 0) {
1103 error_report("set option is required and must be non-negative");
1104 return -1;
1105 }
1106
1107 #ifdef F_DUPFD_CLOEXEC
1108 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1109 #else
1110 dupfd = dup(fd);
1111 if (dupfd != -1) {
1112 qemu_set_cloexec(dupfd);
1113 }
1114 #endif
1115 if (dupfd == -1) {
1116 error_report("error duplicating fd: %s", strerror(errno));
1117 return -1;
1118 }
1119
1120 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1121 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1122 &error_abort);
1123 g_free(fdinfo);
1124
1125 return 0;
1126 }
1127
1128 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1129 {
1130 int fd;
1131
1132 fd = qemu_opt_get_number(opts, "fd", -1);
1133 close(fd);
1134
1135 return 0;
1136 }
1137 #endif
1138
1139 /***********************************************************/
1140 /* QEMU Block devices */
1141
1142 #define HD_OPTS "media=disk"
1143 #define CDROM_OPTS "media=cdrom"
1144 #define FD_OPTS ""
1145 #define PFLASH_OPTS ""
1146 #define MTD_OPTS ""
1147 #define SD_OPTS ""
1148
1149 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1150 {
1151 BlockInterfaceType *block_default_type = opaque;
1152
1153 return drive_new(opts, *block_default_type) == NULL;
1154 }
1155
1156 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1157 {
1158 if (qemu_opt_get(opts, "snapshot") == NULL) {
1159 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1160 }
1161 return 0;
1162 }
1163
1164 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1165 int index, const char *optstr)
1166 {
1167 QemuOpts *opts;
1168 DriveInfo *dinfo;
1169
1170 if (!enable || drive_get_by_index(type, index)) {
1171 return;
1172 }
1173
1174 opts = drive_add(type, index, NULL, optstr);
1175 if (snapshot) {
1176 drive_enable_snapshot(NULL, opts, NULL);
1177 }
1178
1179 dinfo = drive_new(opts, type);
1180 if (!dinfo) {
1181 exit(1);
1182 }
1183 dinfo->is_default = true;
1184
1185 }
1186
1187 static QemuOptsList qemu_smp_opts = {
1188 .name = "smp-opts",
1189 .implied_opt_name = "cpus",
1190 .merge_lists = true,
1191 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1192 .desc = {
1193 {
1194 .name = "cpus",
1195 .type = QEMU_OPT_NUMBER,
1196 }, {
1197 .name = "sockets",
1198 .type = QEMU_OPT_NUMBER,
1199 }, {
1200 .name = "cores",
1201 .type = QEMU_OPT_NUMBER,
1202 }, {
1203 .name = "threads",
1204 .type = QEMU_OPT_NUMBER,
1205 }, {
1206 .name = "maxcpus",
1207 .type = QEMU_OPT_NUMBER,
1208 },
1209 { /*End of list */ }
1210 },
1211 };
1212
1213 static void smp_parse(QemuOpts *opts)
1214 {
1215 if (opts) {
1216 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1217 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1218 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1219 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1220
1221 /* compute missing values, prefer sockets over cores over threads */
1222 if (cpus == 0 || sockets == 0) {
1223 sockets = sockets > 0 ? sockets : 1;
1224 cores = cores > 0 ? cores : 1;
1225 threads = threads > 0 ? threads : 1;
1226 if (cpus == 0) {
1227 cpus = cores * threads * sockets;
1228 }
1229 } else if (cores == 0) {
1230 threads = threads > 0 ? threads : 1;
1231 cores = cpus / (sockets * threads);
1232 cores = cores > 0 ? cores : 1;
1233 } else if (threads == 0) {
1234 threads = cpus / (cores * sockets);
1235 threads = threads > 0 ? threads : 1;
1236 } else if (sockets * cores * threads < cpus) {
1237 error_report("cpu topology: "
1238 "sockets (%u) * cores (%u) * threads (%u) < "
1239 "smp_cpus (%u)",
1240 sockets, cores, threads, cpus);
1241 exit(1);
1242 }
1243
1244 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1245
1246 if (max_cpus < cpus) {
1247 error_report("maxcpus must be equal to or greater than smp");
1248 exit(1);
1249 }
1250
1251 if (sockets * cores * threads > max_cpus) {
1252 error_report("cpu topology: "
1253 "sockets (%u) * cores (%u) * threads (%u) > "
1254 "maxcpus (%u)",
1255 sockets, cores, threads, max_cpus);
1256 exit(1);
1257 }
1258
1259 smp_cpus = cpus;
1260 smp_cores = cores;
1261 smp_threads = threads;
1262 }
1263
1264 if (smp_cpus > 1) {
1265 Error *blocker = NULL;
1266 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1267 replay_add_blocker(blocker);
1268 }
1269 }
1270
1271 static void realtime_init(void)
1272 {
1273 if (enable_mlock) {
1274 if (os_mlock() < 0) {
1275 error_report("locking memory failed");
1276 exit(1);
1277 }
1278 }
1279 }
1280
1281
1282 static void configure_msg(QemuOpts *opts)
1283 {
1284 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1285 }
1286
1287 /***********************************************************/
1288 /* Semihosting */
1289
1290 typedef struct SemihostingConfig {
1291 bool enabled;
1292 SemihostingTarget target;
1293 const char **argv;
1294 int argc;
1295 const char *cmdline; /* concatenated argv */
1296 } SemihostingConfig;
1297
1298 static SemihostingConfig semihosting;
1299
1300 bool semihosting_enabled(void)
1301 {
1302 return semihosting.enabled;
1303 }
1304
1305 SemihostingTarget semihosting_get_target(void)
1306 {
1307 return semihosting.target;
1308 }
1309
1310 const char *semihosting_get_arg(int i)
1311 {
1312 if (i >= semihosting.argc) {
1313 return NULL;
1314 }
1315 return semihosting.argv[i];
1316 }
1317
1318 int semihosting_get_argc(void)
1319 {
1320 return semihosting.argc;
1321 }
1322
1323 const char *semihosting_get_cmdline(void)
1324 {
1325 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1326 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1327 }
1328 return semihosting.cmdline;
1329 }
1330
1331 static int add_semihosting_arg(void *opaque,
1332 const char *name, const char *val,
1333 Error **errp)
1334 {
1335 SemihostingConfig *s = opaque;
1336 if (strcmp(name, "arg") == 0) {
1337 s->argc++;
1338 /* one extra element as g_strjoinv() expects NULL-terminated array */
1339 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1340 s->argv[s->argc - 1] = val;
1341 s->argv[s->argc] = NULL;
1342 }
1343 return 0;
1344 }
1345
1346 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1347 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1348 {
1349 char *cmd_token;
1350
1351 /* argv[0] */
1352 add_semihosting_arg(&semihosting, "arg", file, NULL);
1353
1354 /* split -append and initialize argv[1..n] */
1355 cmd_token = strtok(g_strdup(cmd), " ");
1356 while (cmd_token) {
1357 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1358 cmd_token = strtok(NULL, " ");
1359 }
1360 }
1361
1362 /* Now we still need this for compatibility with XEN. */
1363 bool has_igd_gfx_passthru;
1364 static void igd_gfx_passthru(void)
1365 {
1366 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1367 }
1368
1369 /***********************************************************/
1370 /* USB devices */
1371
1372 static int usb_device_add(const char *devname)
1373 {
1374 USBDevice *dev = NULL;
1375 #ifndef CONFIG_LINUX
1376 const char *p;
1377 #endif
1378
1379 if (!machine_usb(current_machine)) {
1380 return -1;
1381 }
1382
1383 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1384 dev = usbdevice_create(devname);
1385 if (dev)
1386 goto done;
1387
1388 /* the other ones */
1389 #ifndef CONFIG_LINUX
1390 /* only the linux version is qdev-ified, usb-bsd still needs this */
1391 if (strstart(devname, "host:", &p)) {
1392 dev = usb_host_device_open(usb_bus_find(-1), p);
1393 }
1394 #endif
1395 if (!dev)
1396 return -1;
1397
1398 done:
1399 return 0;
1400 }
1401
1402 static int usb_device_del(const char *devname)
1403 {
1404 int bus_num, addr;
1405 const char *p;
1406
1407 if (strstart(devname, "host:", &p)) {
1408 return -1;
1409 }
1410
1411 if (!machine_usb(current_machine)) {
1412 return -1;
1413 }
1414
1415 p = strchr(devname, '.');
1416 if (!p)
1417 return -1;
1418 bus_num = strtoul(devname, NULL, 0);
1419 addr = strtoul(p + 1, NULL, 0);
1420
1421 return usb_device_delete_addr(bus_num, addr);
1422 }
1423
1424 static int usb_parse(const char *cmdline)
1425 {
1426 int r;
1427 r = usb_device_add(cmdline);
1428 if (r < 0) {
1429 error_report("could not add USB device '%s'", cmdline);
1430 }
1431 return r;
1432 }
1433
1434 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1435 {
1436 const char *devname = qdict_get_str(qdict, "devname");
1437 if (usb_device_add(devname) < 0) {
1438 error_report("could not add USB device '%s'", devname);
1439 }
1440 }
1441
1442 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1443 {
1444 const char *devname = qdict_get_str(qdict, "devname");
1445 if (usb_device_del(devname) < 0) {
1446 error_report("could not delete USB device '%s'", devname);
1447 }
1448 }
1449
1450 /***********************************************************/
1451 /* machine registration */
1452
1453 MachineState *current_machine;
1454
1455 static MachineClass *find_machine(const char *name)
1456 {
1457 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1458 MachineClass *mc = NULL;
1459
1460 for (el = machines; el; el = el->next) {
1461 MachineClass *temp = el->data;
1462
1463 if (!strcmp(temp->name, name)) {
1464 mc = temp;
1465 break;
1466 }
1467 if (temp->alias &&
1468 !strcmp(temp->alias, name)) {
1469 mc = temp;
1470 break;
1471 }
1472 }
1473
1474 g_slist_free(machines);
1475 return mc;
1476 }
1477
1478 MachineClass *find_default_machine(void)
1479 {
1480 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1481 MachineClass *mc = NULL;
1482
1483 for (el = machines; el; el = el->next) {
1484 MachineClass *temp = el->data;
1485
1486 if (temp->is_default) {
1487 mc = temp;
1488 break;
1489 }
1490 }
1491
1492 g_slist_free(machines);
1493 return mc;
1494 }
1495
1496 MachineInfoList *qmp_query_machines(Error **errp)
1497 {
1498 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1499 MachineInfoList *mach_list = NULL;
1500
1501 for (el = machines; el; el = el->next) {
1502 MachineClass *mc = el->data;
1503 MachineInfoList *entry;
1504 MachineInfo *info;
1505
1506 info = g_malloc0(sizeof(*info));
1507 if (mc->is_default) {
1508 info->has_is_default = true;
1509 info->is_default = true;
1510 }
1511
1512 if (mc->alias) {
1513 info->has_alias = true;
1514 info->alias = g_strdup(mc->alias);
1515 }
1516
1517 info->name = g_strdup(mc->name);
1518 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1519 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1520
1521 entry = g_malloc0(sizeof(*entry));
1522 entry->value = info;
1523 entry->next = mach_list;
1524 mach_list = entry;
1525 }
1526
1527 g_slist_free(machines);
1528 return mach_list;
1529 }
1530
1531 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1532 {
1533 ObjectProperty *prop;
1534 ObjectPropertyIterator iter;
1535
1536 if (!qemu_opt_has_help_opt(opts)) {
1537 return 0;
1538 }
1539
1540 object_property_iter_init(&iter, OBJECT(machine));
1541 while ((prop = object_property_iter_next(&iter))) {
1542 if (!prop->set) {
1543 continue;
1544 }
1545
1546 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1547 prop->name, prop->type);
1548 if (prop->description) {
1549 error_printf(" (%s)\n", prop->description);
1550 } else {
1551 error_printf("\n");
1552 }
1553 }
1554
1555 return 1;
1556 }
1557
1558 /***********************************************************/
1559 /* main execution loop */
1560
1561 struct vm_change_state_entry {
1562 VMChangeStateHandler *cb;
1563 void *opaque;
1564 QLIST_ENTRY (vm_change_state_entry) entries;
1565 };
1566
1567 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1568
1569 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1570 void *opaque)
1571 {
1572 VMChangeStateEntry *e;
1573
1574 e = g_malloc0(sizeof (*e));
1575
1576 e->cb = cb;
1577 e->opaque = opaque;
1578 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1579 return e;
1580 }
1581
1582 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1583 {
1584 QLIST_REMOVE (e, entries);
1585 g_free (e);
1586 }
1587
1588 void vm_state_notify(int running, RunState state)
1589 {
1590 VMChangeStateEntry *e, *next;
1591
1592 trace_vm_state_notify(running, state);
1593
1594 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1595 e->cb(e->opaque, running, state);
1596 }
1597 }
1598
1599 static int reset_requested;
1600 static int shutdown_requested, shutdown_signal = -1;
1601 static pid_t shutdown_pid;
1602 static int powerdown_requested;
1603 static int debug_requested;
1604 static int suspend_requested;
1605 static WakeupReason wakeup_reason;
1606 static NotifierList powerdown_notifiers =
1607 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1608 static NotifierList suspend_notifiers =
1609 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1610 static NotifierList wakeup_notifiers =
1611 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1612 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1613
1614 int qemu_shutdown_requested_get(void)
1615 {
1616 return shutdown_requested;
1617 }
1618
1619 int qemu_reset_requested_get(void)
1620 {
1621 return reset_requested;
1622 }
1623
1624 static int qemu_shutdown_requested(void)
1625 {
1626 return atomic_xchg(&shutdown_requested, 0);
1627 }
1628
1629 static void qemu_kill_report(void)
1630 {
1631 if (!qtest_driver() && shutdown_signal != -1) {
1632 if (shutdown_pid == 0) {
1633 /* This happens for eg ^C at the terminal, so it's worth
1634 * avoiding printing an odd message in that case.
1635 */
1636 error_report("terminating on signal %d", shutdown_signal);
1637 } else {
1638 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1639
1640 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1641 shutdown_signal, shutdown_pid,
1642 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1643 g_free(shutdown_cmd);
1644 }
1645 shutdown_signal = -1;
1646 }
1647 }
1648
1649 static int qemu_reset_requested(void)
1650 {
1651 int r = reset_requested;
1652 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1653 reset_requested = 0;
1654 return r;
1655 }
1656 return false;
1657 }
1658
1659 static int qemu_suspend_requested(void)
1660 {
1661 int r = suspend_requested;
1662 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1663 suspend_requested = 0;
1664 return r;
1665 }
1666 return false;
1667 }
1668
1669 static WakeupReason qemu_wakeup_requested(void)
1670 {
1671 return wakeup_reason;
1672 }
1673
1674 static int qemu_powerdown_requested(void)
1675 {
1676 int r = powerdown_requested;
1677 powerdown_requested = 0;
1678 return r;
1679 }
1680
1681 static int qemu_debug_requested(void)
1682 {
1683 int r = debug_requested;
1684 debug_requested = 0;
1685 return r;
1686 }
1687
1688 void qemu_system_reset(bool report)
1689 {
1690 MachineClass *mc;
1691
1692 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1693
1694 cpu_synchronize_all_states();
1695
1696 if (mc && mc->reset) {
1697 mc->reset();
1698 } else {
1699 qemu_devices_reset();
1700 }
1701 if (report) {
1702 qapi_event_send_reset(&error_abort);
1703 }
1704 cpu_synchronize_all_post_reset();
1705 }
1706
1707 void qemu_system_guest_panicked(GuestPanicInformation *info)
1708 {
1709 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1710
1711 if (current_cpu) {
1712 current_cpu->crash_occurred = true;
1713 }
1714 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1715 !!info, info, &error_abort);
1716 vm_stop(RUN_STATE_GUEST_PANICKED);
1717 if (!no_shutdown) {
1718 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1719 !!info, info, &error_abort);
1720 qemu_system_shutdown_request();
1721 }
1722
1723 if (info) {
1724 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1725 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1726 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1727 info->u.hyper_v.arg1,
1728 info->u.hyper_v.arg2,
1729 info->u.hyper_v.arg3,
1730 info->u.hyper_v.arg4,
1731 info->u.hyper_v.arg5);
1732 }
1733 qapi_free_GuestPanicInformation(info);
1734 }
1735 }
1736
1737 void qemu_system_reset_request(void)
1738 {
1739 if (no_reboot) {
1740 shutdown_requested = 1;
1741 } else {
1742 reset_requested = 1;
1743 }
1744 cpu_stop_current();
1745 qemu_notify_event();
1746 }
1747
1748 static void qemu_system_suspend(void)
1749 {
1750 pause_all_vcpus();
1751 notifier_list_notify(&suspend_notifiers, NULL);
1752 runstate_set(RUN_STATE_SUSPENDED);
1753 qapi_event_send_suspend(&error_abort);
1754 }
1755
1756 void qemu_system_suspend_request(void)
1757 {
1758 if (runstate_check(RUN_STATE_SUSPENDED)) {
1759 return;
1760 }
1761 suspend_requested = 1;
1762 cpu_stop_current();
1763 qemu_notify_event();
1764 }
1765
1766 void qemu_register_suspend_notifier(Notifier *notifier)
1767 {
1768 notifier_list_add(&suspend_notifiers, notifier);
1769 }
1770
1771 void qemu_system_wakeup_request(WakeupReason reason)
1772 {
1773 trace_system_wakeup_request(reason);
1774
1775 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1776 return;
1777 }
1778 if (!(wakeup_reason_mask & (1 << reason))) {
1779 return;
1780 }
1781 runstate_set(RUN_STATE_RUNNING);
1782 wakeup_reason = reason;
1783 qemu_notify_event();
1784 }
1785
1786 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1787 {
1788 if (enabled) {
1789 wakeup_reason_mask |= (1 << reason);
1790 } else {
1791 wakeup_reason_mask &= ~(1 << reason);
1792 }
1793 }
1794
1795 void qemu_register_wakeup_notifier(Notifier *notifier)
1796 {
1797 notifier_list_add(&wakeup_notifiers, notifier);
1798 }
1799
1800 void qemu_system_killed(int signal, pid_t pid)
1801 {
1802 shutdown_signal = signal;
1803 shutdown_pid = pid;
1804 no_shutdown = 0;
1805
1806 /* Cannot call qemu_system_shutdown_request directly because
1807 * we are in a signal handler.
1808 */
1809 shutdown_requested = 1;
1810 qemu_notify_event();
1811 }
1812
1813 void qemu_system_shutdown_request(void)
1814 {
1815 trace_qemu_system_shutdown_request();
1816 replay_shutdown_request();
1817 shutdown_requested = 1;
1818 qemu_notify_event();
1819 }
1820
1821 static void qemu_system_powerdown(void)
1822 {
1823 qapi_event_send_powerdown(&error_abort);
1824 notifier_list_notify(&powerdown_notifiers, NULL);
1825 }
1826
1827 void qemu_system_powerdown_request(void)
1828 {
1829 trace_qemu_system_powerdown_request();
1830 powerdown_requested = 1;
1831 qemu_notify_event();
1832 }
1833
1834 void qemu_register_powerdown_notifier(Notifier *notifier)
1835 {
1836 notifier_list_add(&powerdown_notifiers, notifier);
1837 }
1838
1839 void qemu_system_debug_request(void)
1840 {
1841 debug_requested = 1;
1842 qemu_notify_event();
1843 }
1844
1845 static bool main_loop_should_exit(void)
1846 {
1847 RunState r;
1848 if (qemu_debug_requested()) {
1849 vm_stop(RUN_STATE_DEBUG);
1850 }
1851 if (qemu_suspend_requested()) {
1852 qemu_system_suspend();
1853 }
1854 if (qemu_shutdown_requested()) {
1855 qemu_kill_report();
1856 qapi_event_send_shutdown(&error_abort);
1857 if (no_shutdown) {
1858 vm_stop(RUN_STATE_SHUTDOWN);
1859 } else {
1860 return true;
1861 }
1862 }
1863 if (qemu_reset_requested()) {
1864 pause_all_vcpus();
1865 qemu_system_reset(VMRESET_REPORT);
1866 resume_all_vcpus();
1867 if (!runstate_check(RUN_STATE_RUNNING) &&
1868 !runstate_check(RUN_STATE_INMIGRATE)) {
1869 runstate_set(RUN_STATE_PRELAUNCH);
1870 }
1871 }
1872 if (qemu_wakeup_requested()) {
1873 pause_all_vcpus();
1874 qemu_system_reset(VMRESET_SILENT);
1875 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1876 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1877 resume_all_vcpus();
1878 qapi_event_send_wakeup(&error_abort);
1879 }
1880 if (qemu_powerdown_requested()) {
1881 qemu_system_powerdown();
1882 }
1883 if (qemu_vmstop_requested(&r)) {
1884 vm_stop(r);
1885 }
1886 return false;
1887 }
1888
1889 static void main_loop(void)
1890 {
1891 #ifdef CONFIG_PROFILER
1892 int64_t ti;
1893 #endif
1894 do {
1895 #ifdef CONFIG_PROFILER
1896 ti = profile_getclock();
1897 #endif
1898 main_loop_wait(false);
1899 #ifdef CONFIG_PROFILER
1900 dev_time += profile_getclock() - ti;
1901 #endif
1902 } while (!main_loop_should_exit());
1903 }
1904
1905 static void version(void)
1906 {
1907 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1908 QEMU_COPYRIGHT "\n");
1909 }
1910
1911 static void help(int exitcode)
1912 {
1913 version();
1914 printf("usage: %s [options] [disk_image]\n\n"
1915 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1916 error_get_progname());
1917
1918 #define QEMU_OPTIONS_GENERATE_HELP
1919 #include "qemu-options-wrapper.h"
1920
1921 printf("\nDuring emulation, the following keys are useful:\n"
1922 "ctrl-alt-f toggle full screen\n"
1923 "ctrl-alt-n switch to virtual console 'n'\n"
1924 "ctrl-alt toggle mouse and keyboard grab\n"
1925 "\n"
1926 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1927
1928 exit(exitcode);
1929 }
1930
1931 #define HAS_ARG 0x0001
1932
1933 typedef struct QEMUOption {
1934 const char *name;
1935 int flags;
1936 int index;
1937 uint32_t arch_mask;
1938 } QEMUOption;
1939
1940 static const QEMUOption qemu_options[] = {
1941 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1942 #define QEMU_OPTIONS_GENERATE_OPTIONS
1943 #include "qemu-options-wrapper.h"
1944 { NULL },
1945 };
1946
1947 typedef struct VGAInterfaceInfo {
1948 const char *opt_name; /* option name */
1949 const char *name; /* human-readable name */
1950 /* Class names indicating that support is available.
1951 * If no class is specified, the interface is always available */
1952 const char *class_names[2];
1953 } VGAInterfaceInfo;
1954
1955 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1956 [VGA_NONE] = {
1957 .opt_name = "none",
1958 },
1959 [VGA_STD] = {
1960 .opt_name = "std",
1961 .name = "standard VGA",
1962 .class_names = { "VGA", "isa-vga" },
1963 },
1964 [VGA_CIRRUS] = {
1965 .opt_name = "cirrus",
1966 .name = "Cirrus VGA",
1967 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1968 },
1969 [VGA_VMWARE] = {
1970 .opt_name = "vmware",
1971 .name = "VMWare SVGA",
1972 .class_names = { "vmware-svga" },
1973 },
1974 [VGA_VIRTIO] = {
1975 .opt_name = "virtio",
1976 .name = "Virtio VGA",
1977 .class_names = { "virtio-vga" },
1978 },
1979 [VGA_QXL] = {
1980 .opt_name = "qxl",
1981 .name = "QXL VGA",
1982 .class_names = { "qxl-vga" },
1983 },
1984 [VGA_TCX] = {
1985 .opt_name = "tcx",
1986 .name = "TCX framebuffer",
1987 .class_names = { "SUNW,tcx" },
1988 },
1989 [VGA_CG3] = {
1990 .opt_name = "cg3",
1991 .name = "CG3 framebuffer",
1992 .class_names = { "cgthree" },
1993 },
1994 [VGA_XENFB] = {
1995 .opt_name = "xenfb",
1996 },
1997 };
1998
1999 static bool vga_interface_available(VGAInterfaceType t)
2000 {
2001 VGAInterfaceInfo *ti = &vga_interfaces[t];
2002
2003 assert(t < VGA_TYPE_MAX);
2004 return !ti->class_names[0] ||
2005 object_class_by_name(ti->class_names[0]) ||
2006 object_class_by_name(ti->class_names[1]);
2007 }
2008
2009 static void select_vgahw(const char *p)
2010 {
2011 const char *opts;
2012 int t;
2013
2014 assert(vga_interface_type == VGA_NONE);
2015 for (t = 0; t < VGA_TYPE_MAX; t++) {
2016 VGAInterfaceInfo *ti = &vga_interfaces[t];
2017 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2018 if (!vga_interface_available(t)) {
2019 error_report("%s not available", ti->name);
2020 exit(1);
2021 }
2022 vga_interface_type = t;
2023 break;
2024 }
2025 }
2026 if (t == VGA_TYPE_MAX) {
2027 invalid_vga:
2028 error_report("unknown vga type: %s", p);
2029 exit(1);
2030 }
2031 while (*opts) {
2032 const char *nextopt;
2033
2034 if (strstart(opts, ",retrace=", &nextopt)) {
2035 opts = nextopt;
2036 if (strstart(opts, "dumb", &nextopt))
2037 vga_retrace_method = VGA_RETRACE_DUMB;
2038 else if (strstart(opts, "precise", &nextopt))
2039 vga_retrace_method = VGA_RETRACE_PRECISE;
2040 else goto invalid_vga;
2041 } else goto invalid_vga;
2042 opts = nextopt;
2043 }
2044 }
2045
2046 typedef enum DisplayType {
2047 DT_DEFAULT,
2048 DT_CURSES,
2049 DT_SDL,
2050 DT_COCOA,
2051 DT_GTK,
2052 DT_NONE,
2053 } DisplayType;
2054
2055 static DisplayType select_display(const char *p)
2056 {
2057 const char *opts;
2058 DisplayType display = DT_DEFAULT;
2059
2060 if (strstart(p, "sdl", &opts)) {
2061 #ifdef CONFIG_SDL
2062 display = DT_SDL;
2063 while (*opts) {
2064 const char *nextopt;
2065
2066 if (strstart(opts, ",frame=", &nextopt)) {
2067 opts = nextopt;
2068 if (strstart(opts, "on", &nextopt)) {
2069 no_frame = 0;
2070 } else if (strstart(opts, "off", &nextopt)) {
2071 no_frame = 1;
2072 } else {
2073 goto invalid_sdl_args;
2074 }
2075 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2076 opts = nextopt;
2077 if (strstart(opts, "on", &nextopt)) {
2078 alt_grab = 1;
2079 } else if (strstart(opts, "off", &nextopt)) {
2080 alt_grab = 0;
2081 } else {
2082 goto invalid_sdl_args;
2083 }
2084 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2085 opts = nextopt;
2086 if (strstart(opts, "on", &nextopt)) {
2087 ctrl_grab = 1;
2088 } else if (strstart(opts, "off", &nextopt)) {
2089 ctrl_grab = 0;
2090 } else {
2091 goto invalid_sdl_args;
2092 }
2093 } else if (strstart(opts, ",window_close=", &nextopt)) {
2094 opts = nextopt;
2095 if (strstart(opts, "on", &nextopt)) {
2096 no_quit = 0;
2097 } else if (strstart(opts, "off", &nextopt)) {
2098 no_quit = 1;
2099 } else {
2100 goto invalid_sdl_args;
2101 }
2102 } else if (strstart(opts, ",gl=", &nextopt)) {
2103 opts = nextopt;
2104 if (strstart(opts, "on", &nextopt)) {
2105 request_opengl = 1;
2106 } else if (strstart(opts, "off", &nextopt)) {
2107 request_opengl = 0;
2108 } else {
2109 goto invalid_sdl_args;
2110 }
2111 } else {
2112 invalid_sdl_args:
2113 error_report("invalid SDL option string");
2114 exit(1);
2115 }
2116 opts = nextopt;
2117 }
2118 #else
2119 error_report("SDL support is disabled");
2120 exit(1);
2121 #endif
2122 } else if (strstart(p, "vnc", &opts)) {
2123 if (*opts == '=') {
2124 vnc_parse(opts + 1, &error_fatal);
2125 } else {
2126 error_report("VNC requires a display argument vnc=<display>");
2127 exit(1);
2128 }
2129 } else if (strstart(p, "curses", &opts)) {
2130 #ifdef CONFIG_CURSES
2131 display = DT_CURSES;
2132 #else
2133 error_report("curses support is disabled");
2134 exit(1);
2135 #endif
2136 } else if (strstart(p, "gtk", &opts)) {
2137 #ifdef CONFIG_GTK
2138 display = DT_GTK;
2139 while (*opts) {
2140 const char *nextopt;
2141
2142 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2143 opts = nextopt;
2144 if (strstart(opts, "on", &nextopt)) {
2145 grab_on_hover = true;
2146 } else if (strstart(opts, "off", &nextopt)) {
2147 grab_on_hover = false;
2148 } else {
2149 goto invalid_gtk_args;
2150 }
2151 } else if (strstart(opts, ",gl=", &nextopt)) {
2152 opts = nextopt;
2153 if (strstart(opts, "on", &nextopt)) {
2154 request_opengl = 1;
2155 } else if (strstart(opts, "off", &nextopt)) {
2156 request_opengl = 0;
2157 } else {
2158 goto invalid_gtk_args;
2159 }
2160 } else {
2161 invalid_gtk_args:
2162 error_report("invalid GTK option string");
2163 exit(1);
2164 }
2165 opts = nextopt;
2166 }
2167 #else
2168 error_report("GTK support is disabled");
2169 exit(1);
2170 #endif
2171 } else if (strstart(p, "none", &opts)) {
2172 display = DT_NONE;
2173 } else {
2174 error_report("unknown display type");
2175 exit(1);
2176 }
2177
2178 return display;
2179 }
2180
2181 static int balloon_parse(const char *arg)
2182 {
2183 QemuOpts *opts;
2184
2185 if (strcmp(arg, "none") == 0) {
2186 return 0;
2187 }
2188
2189 if (!strncmp(arg, "virtio", 6)) {
2190 if (arg[6] == ',') {
2191 /* have params -> parse them */
2192 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2193 false);
2194 if (!opts)
2195 return -1;
2196 } else {
2197 /* create empty opts */
2198 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2199 &error_abort);
2200 }
2201 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2202 return 0;
2203 }
2204
2205 return -1;
2206 }
2207
2208 char *qemu_find_file(int type, const char *name)
2209 {
2210 int i;
2211 const char *subdir;
2212 char *buf;
2213
2214 /* Try the name as a straight path first */
2215 if (access(name, R_OK) == 0) {
2216 trace_load_file(name, name);
2217 return g_strdup(name);
2218 }
2219
2220 switch (type) {
2221 case QEMU_FILE_TYPE_BIOS:
2222 subdir = "";
2223 break;
2224 case QEMU_FILE_TYPE_KEYMAP:
2225 subdir = "keymaps/";
2226 break;
2227 default:
2228 abort();
2229 }
2230
2231 for (i = 0; i < data_dir_idx; i++) {
2232 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2233 if (access(buf, R_OK) == 0) {
2234 trace_load_file(name, buf);
2235 return buf;
2236 }
2237 g_free(buf);
2238 }
2239 return NULL;
2240 }
2241
2242 static inline bool nonempty_str(const char *str)
2243 {
2244 return str && *str;
2245 }
2246
2247 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2248 {
2249 gchar *buf;
2250 size_t size;
2251 const char *name, *file, *str;
2252 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2253
2254 if (fw_cfg == NULL) {
2255 error_report("fw_cfg device not available");
2256 return -1;
2257 }
2258 name = qemu_opt_get(opts, "name");
2259 file = qemu_opt_get(opts, "file");
2260 str = qemu_opt_get(opts, "string");
2261
2262 /* we need name and either a file or the content string */
2263 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2264 error_report("invalid argument(s)");
2265 return -1;
2266 }
2267 if (nonempty_str(file) && nonempty_str(str)) {
2268 error_report("file and string are mutually exclusive");
2269 return -1;
2270 }
2271 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2272 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2273 return -1;
2274 }
2275 if (strncmp(name, "opt/", 4) != 0) {
2276 error_report("warning: externally provided fw_cfg item names "
2277 "should be prefixed with \"opt/\"");
2278 }
2279 if (nonempty_str(str)) {
2280 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2281 buf = g_memdup(str, size);
2282 } else {
2283 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2284 error_report("can't load %s", file);
2285 return -1;
2286 }
2287 }
2288 /* For legacy, keep user files in a specific global order. */
2289 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2290 fw_cfg_add_file(fw_cfg, name, buf, size);
2291 fw_cfg_reset_order_override(fw_cfg);
2292 return 0;
2293 }
2294
2295 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2296 {
2297 return qdev_device_help(opts);
2298 }
2299
2300 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2301 {
2302 Error *err = NULL;
2303 DeviceState *dev;
2304
2305 dev = qdev_device_add(opts, &err);
2306 if (!dev) {
2307 error_report_err(err);
2308 return -1;
2309 }
2310 object_unref(OBJECT(dev));
2311 return 0;
2312 }
2313
2314 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2315 {
2316 Error *local_err = NULL;
2317
2318 qemu_chr_new_from_opts(opts, &local_err);
2319 if (local_err) {
2320 error_report_err(local_err);
2321 return -1;
2322 }
2323 return 0;
2324 }
2325
2326 #ifdef CONFIG_VIRTFS
2327 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2328 {
2329 return qemu_fsdev_add(opts);
2330 }
2331 #endif
2332
2333 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2334 {
2335 Chardev *chr;
2336 const char *chardev;
2337 const char *mode;
2338 int flags;
2339
2340 mode = qemu_opt_get(opts, "mode");
2341 if (mode == NULL) {
2342 mode = "readline";
2343 }
2344 if (strcmp(mode, "readline") == 0) {
2345 flags = MONITOR_USE_READLINE;
2346 } else if (strcmp(mode, "control") == 0) {
2347 flags = MONITOR_USE_CONTROL;
2348 } else {
2349 error_report("unknown monitor mode \"%s\"", mode);
2350 exit(1);
2351 }
2352
2353 if (qemu_opt_get_bool(opts, "pretty", 0))
2354 flags |= MONITOR_USE_PRETTY;
2355
2356 if (qemu_opt_get_bool(opts, "default", 0)) {
2357 error_report("option 'default' does nothing and is deprecated");
2358 }
2359
2360 chardev = qemu_opt_get(opts, "chardev");
2361 chr = qemu_chr_find(chardev);
2362 if (chr == NULL) {
2363 error_report("chardev \"%s\" not found", chardev);
2364 exit(1);
2365 }
2366
2367 monitor_init(chr, flags);
2368 return 0;
2369 }
2370
2371 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2372 {
2373 static int monitor_device_index = 0;
2374 QemuOpts *opts;
2375 const char *p;
2376 char label[32];
2377
2378 if (strstart(optarg, "chardev:", &p)) {
2379 snprintf(label, sizeof(label), "%s", p);
2380 } else {
2381 snprintf(label, sizeof(label), "compat_monitor%d",
2382 monitor_device_index);
2383 opts = qemu_chr_parse_compat(label, optarg);
2384 if (!opts) {
2385 error_report("parse error: %s", optarg);
2386 exit(1);
2387 }
2388 }
2389
2390 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2391 qemu_opt_set(opts, "mode", mode, &error_abort);
2392 qemu_opt_set(opts, "chardev", label, &error_abort);
2393 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2394 monitor_device_index++;
2395 }
2396
2397 struct device_config {
2398 enum {
2399 DEV_USB, /* -usbdevice */
2400 DEV_BT, /* -bt */
2401 DEV_SERIAL, /* -serial */
2402 DEV_PARALLEL, /* -parallel */
2403 DEV_VIRTCON, /* -virtioconsole */
2404 DEV_DEBUGCON, /* -debugcon */
2405 DEV_GDB, /* -gdb, -s */
2406 DEV_SCLP, /* s390 sclp */
2407 } type;
2408 const char *cmdline;
2409 Location loc;
2410 QTAILQ_ENTRY(device_config) next;
2411 };
2412
2413 static QTAILQ_HEAD(, device_config) device_configs =
2414 QTAILQ_HEAD_INITIALIZER(device_configs);
2415
2416 static void add_device_config(int type, const char *cmdline)
2417 {
2418 struct device_config *conf;
2419
2420 conf = g_malloc0(sizeof(*conf));
2421 conf->type = type;
2422 conf->cmdline = cmdline;
2423 loc_save(&conf->loc);
2424 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2425 }
2426
2427 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2428 {
2429 struct device_config *conf;
2430 int rc;
2431
2432 QTAILQ_FOREACH(conf, &device_configs, next) {
2433 if (conf->type != type)
2434 continue;
2435 loc_push_restore(&conf->loc);
2436 rc = func(conf->cmdline);
2437 loc_pop(&conf->loc);
2438 if (rc) {
2439 return rc;
2440 }
2441 }
2442 return 0;
2443 }
2444
2445 static int serial_parse(const char *devname)
2446 {
2447 static int index = 0;
2448 char label[32];
2449
2450 if (strcmp(devname, "none") == 0)
2451 return 0;
2452 if (index == MAX_SERIAL_PORTS) {
2453 error_report("too many serial ports");
2454 exit(1);
2455 }
2456 snprintf(label, sizeof(label), "serial%d", index);
2457 serial_hds[index] = qemu_chr_new(label, devname);
2458 if (!serial_hds[index]) {
2459 error_report("could not connect serial device"
2460 " to character backend '%s'", devname);
2461 return -1;
2462 }
2463 index++;
2464 return 0;
2465 }
2466
2467 static int parallel_parse(const char *devname)
2468 {
2469 static int index = 0;
2470 char label[32];
2471
2472 if (strcmp(devname, "none") == 0)
2473 return 0;
2474 if (index == MAX_PARALLEL_PORTS) {
2475 error_report("too many parallel ports");
2476 exit(1);
2477 }
2478 snprintf(label, sizeof(label), "parallel%d", index);
2479 parallel_hds[index] = qemu_chr_new(label, devname);
2480 if (!parallel_hds[index]) {
2481 error_report("could not connect parallel device"
2482 " to character backend '%s'", devname);
2483 return -1;
2484 }
2485 index++;
2486 return 0;
2487 }
2488
2489 static int virtcon_parse(const char *devname)
2490 {
2491 QemuOptsList *device = qemu_find_opts("device");
2492 static int index = 0;
2493 char label[32];
2494 QemuOpts *bus_opts, *dev_opts;
2495
2496 if (strcmp(devname, "none") == 0)
2497 return 0;
2498 if (index == MAX_VIRTIO_CONSOLES) {
2499 error_report("too many virtio consoles");
2500 exit(1);
2501 }
2502
2503 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2504 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2505
2506 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2507 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2508
2509 snprintf(label, sizeof(label), "virtcon%d", index);
2510 virtcon_hds[index] = qemu_chr_new(label, devname);
2511 if (!virtcon_hds[index]) {
2512 error_report("could not connect virtio console"
2513 " to character backend '%s'", devname);
2514 return -1;
2515 }
2516 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2517
2518 index++;
2519 return 0;
2520 }
2521
2522 static int sclp_parse(const char *devname)
2523 {
2524 QemuOptsList *device = qemu_find_opts("device");
2525 static int index = 0;
2526 char label[32];
2527 QemuOpts *dev_opts;
2528
2529 if (strcmp(devname, "none") == 0) {
2530 return 0;
2531 }
2532 if (index == MAX_SCLP_CONSOLES) {
2533 error_report("too many sclp consoles");
2534 exit(1);
2535 }
2536
2537 assert(arch_type == QEMU_ARCH_S390X);
2538
2539 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2540 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2541
2542 snprintf(label, sizeof(label), "sclpcon%d", index);
2543 sclp_hds[index] = qemu_chr_new(label, devname);
2544 if (!sclp_hds[index]) {
2545 error_report("could not connect sclp console"
2546 " to character backend '%s'", devname);
2547 return -1;
2548 }
2549 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2550
2551 index++;
2552 return 0;
2553 }
2554
2555 static int debugcon_parse(const char *devname)
2556 {
2557 QemuOpts *opts;
2558
2559 if (!qemu_chr_new("debugcon", devname)) {
2560 exit(1);
2561 }
2562 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2563 if (!opts) {
2564 error_report("already have a debugcon device");
2565 exit(1);
2566 }
2567 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2568 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2569 return 0;
2570 }
2571
2572 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2573 {
2574 const MachineClass *mc1 = a, *mc2 = b;
2575 int res;
2576
2577 if (mc1->family == NULL) {
2578 if (mc2->family == NULL) {
2579 /* Compare standalone machine types against each other; they sort
2580 * in increasing order.
2581 */
2582 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2583 object_class_get_name(OBJECT_CLASS(mc2)));
2584 }
2585
2586 /* Standalone machine types sort after families. */
2587 return 1;
2588 }
2589
2590 if (mc2->family == NULL) {
2591 /* Families sort before standalone machine types. */
2592 return -1;
2593 }
2594
2595 /* Families sort between each other alphabetically increasingly. */
2596 res = strcmp(mc1->family, mc2->family);
2597 if (res != 0) {
2598 return res;
2599 }
2600
2601 /* Within the same family, machine types sort in decreasing order. */
2602 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2603 object_class_get_name(OBJECT_CLASS(mc1)));
2604 }
2605
2606 static MachineClass *machine_parse(const char *name)
2607 {
2608 MachineClass *mc = NULL;
2609 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2610
2611 if (name) {
2612 mc = find_machine(name);
2613 }
2614 if (mc) {
2615 g_slist_free(machines);
2616 return mc;
2617 }
2618 if (name && !is_help_option(name)) {
2619 error_report("unsupported machine type");
2620 error_printf("Use -machine help to list supported machines\n");
2621 } else {
2622 printf("Supported machines are:\n");
2623 machines = g_slist_sort(machines, machine_class_cmp);
2624 for (el = machines; el; el = el->next) {
2625 MachineClass *mc = el->data;
2626 if (mc->alias) {
2627 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2628 }
2629 printf("%-20s %s%s\n", mc->name, mc->desc,
2630 mc->is_default ? " (default)" : "");
2631 }
2632 }
2633
2634 g_slist_free(machines);
2635 exit(!name || !is_help_option(name));
2636 }
2637
2638 void qemu_add_exit_notifier(Notifier *notify)
2639 {
2640 notifier_list_add(&exit_notifiers, notify);
2641 }
2642
2643 void qemu_remove_exit_notifier(Notifier *notify)
2644 {
2645 notifier_remove(notify);
2646 }
2647
2648 static void qemu_run_exit_notifiers(void)
2649 {
2650 notifier_list_notify(&exit_notifiers, NULL);
2651 }
2652
2653 static bool machine_init_done;
2654
2655 void qemu_add_machine_init_done_notifier(Notifier *notify)
2656 {
2657 notifier_list_add(&machine_init_done_notifiers, notify);
2658 if (machine_init_done) {
2659 notify->notify(notify, NULL);
2660 }
2661 }
2662
2663 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2664 {
2665 notifier_remove(notify);
2666 }
2667
2668 static void qemu_run_machine_init_done_notifiers(void)
2669 {
2670 notifier_list_notify(&machine_init_done_notifiers, NULL);
2671 machine_init_done = true;
2672 }
2673
2674 static const QEMUOption *lookup_opt(int argc, char **argv,
2675 const char **poptarg, int *poptind)
2676 {
2677 const QEMUOption *popt;
2678 int optind = *poptind;
2679 char *r = argv[optind];
2680 const char *optarg;
2681
2682 loc_set_cmdline(argv, optind, 1);
2683 optind++;
2684 /* Treat --foo the same as -foo. */
2685 if (r[1] == '-')
2686 r++;
2687 popt = qemu_options;
2688 for(;;) {
2689 if (!popt->name) {
2690 error_report("invalid option");
2691 exit(1);
2692 }
2693 if (!strcmp(popt->name, r + 1))
2694 break;
2695 popt++;
2696 }
2697 if (popt->flags & HAS_ARG) {
2698 if (optind >= argc) {
2699 error_report("requires an argument");
2700 exit(1);
2701 }
2702 optarg = argv[optind++];
2703 loc_set_cmdline(argv, optind - 2, 2);
2704 } else {
2705 optarg = NULL;
2706 }
2707
2708 *poptarg = optarg;
2709 *poptind = optind;
2710
2711 return popt;
2712 }
2713
2714 static MachineClass *select_machine(void)
2715 {
2716 MachineClass *machine_class = find_default_machine();
2717 const char *optarg;
2718 QemuOpts *opts;
2719 Location loc;
2720
2721 loc_push_none(&loc);
2722
2723 opts = qemu_get_machine_opts();
2724 qemu_opts_loc_restore(opts);
2725
2726 optarg = qemu_opt_get(opts, "type");
2727 if (optarg) {
2728 machine_class = machine_parse(optarg);
2729 }
2730
2731 if (!machine_class) {
2732 error_report("No machine specified, and there is no default");
2733 error_printf("Use -machine help to list supported machines\n");
2734 exit(1);
2735 }
2736
2737 loc_pop(&loc);
2738 return machine_class;
2739 }
2740
2741 static int machine_set_property(void *opaque,
2742 const char *name, const char *value,
2743 Error **errp)
2744 {
2745 Object *obj = OBJECT(opaque);
2746 Error *local_err = NULL;
2747 char *p, *qom_name;
2748
2749 if (strcmp(name, "type") == 0) {
2750 return 0;
2751 }
2752
2753 qom_name = g_strdup(name);
2754 for (p = qom_name; *p; p++) {
2755 if (*p == '_') {
2756 *p = '-';
2757 }
2758 }
2759
2760 object_property_parse(obj, value, qom_name, &local_err);
2761 g_free(qom_name);
2762
2763 if (local_err) {
2764 error_report_err(local_err);
2765 return -1;
2766 }
2767
2768 return 0;
2769 }
2770
2771
2772 /*
2773 * Initial object creation happens before all other
2774 * QEMU data types are created. The majority of objects
2775 * can be created at this point. The rng-egd object
2776 * cannot be created here, as it depends on the chardev
2777 * already existing.
2778 */
2779 static bool object_create_initial(const char *type)
2780 {
2781 if (g_str_equal(type, "rng-egd")) {
2782 return false;
2783 }
2784
2785 /*
2786 * return false for concrete netfilters since
2787 * they depend on netdevs already existing
2788 */
2789 if (g_str_equal(type, "filter-buffer") ||
2790 g_str_equal(type, "filter-dump") ||
2791 g_str_equal(type, "filter-mirror") ||
2792 g_str_equal(type, "filter-redirector") ||
2793 g_str_equal(type, "colo-compare") ||
2794 g_str_equal(type, "filter-rewriter") ||
2795 g_str_equal(type, "filter-replay")) {
2796 return false;
2797 }
2798
2799 /* Memory allocation by backends needs to be done
2800 * after configure_accelerator() (due to the tcg_enabled()
2801 * checks at memory_region_init_*()).
2802 *
2803 * Also, allocation of large amounts of memory may delay
2804 * chardev initialization for too long, and trigger timeouts
2805 * on software that waits for a monitor socket to be created
2806 * (e.g. libvirt).
2807 */
2808 if (g_str_has_prefix(type, "memory-backend-")) {
2809 return false;
2810 }
2811
2812 return true;
2813 }
2814
2815
2816 /*
2817 * The remainder of object creation happens after the
2818 * creation of chardev, fsdev, net clients and device data types.
2819 */
2820 static bool object_create_delayed(const char *type)
2821 {
2822 return !object_create_initial(type);
2823 }
2824
2825
2826 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2827 MachineClass *mc)
2828 {
2829 uint64_t sz;
2830 const char *mem_str;
2831 const char *maxmem_str, *slots_str;
2832 const ram_addr_t default_ram_size = mc->default_ram_size;
2833 QemuOpts *opts = qemu_find_opts_singleton("memory");
2834 Location loc;
2835
2836 loc_push_none(&loc);
2837 qemu_opts_loc_restore(opts);
2838
2839 sz = 0;
2840 mem_str = qemu_opt_get(opts, "size");
2841 if (mem_str) {
2842 if (!*mem_str) {
2843 error_report("missing 'size' option value");
2844 exit(EXIT_FAILURE);
2845 }
2846
2847 sz = qemu_opt_get_size(opts, "size", ram_size);
2848
2849 /* Fix up legacy suffix-less format */
2850 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2851 uint64_t overflow_check = sz;
2852
2853 sz <<= 20;
2854 if ((sz >> 20) != overflow_check) {
2855 error_report("too large 'size' option value");
2856 exit(EXIT_FAILURE);
2857 }
2858 }
2859 }
2860
2861 /* backward compatibility behaviour for case "-m 0" */
2862 if (sz == 0) {
2863 sz = default_ram_size;
2864 }
2865
2866 sz = QEMU_ALIGN_UP(sz, 8192);
2867 ram_size = sz;
2868 if (ram_size != sz) {
2869 error_report("ram size too large");
2870 exit(EXIT_FAILURE);
2871 }
2872
2873 /* store value for the future use */
2874 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2875 *maxram_size = ram_size;
2876
2877 maxmem_str = qemu_opt_get(opts, "maxmem");
2878 slots_str = qemu_opt_get(opts, "slots");
2879 if (maxmem_str && slots_str) {
2880 uint64_t slots;
2881
2882 sz = qemu_opt_get_size(opts, "maxmem", 0);
2883 slots = qemu_opt_get_number(opts, "slots", 0);
2884 if (sz < ram_size) {
2885 error_report("invalid value of -m option maxmem: "
2886 "maximum memory size (0x%" PRIx64 ") must be at least "
2887 "the initial memory size (0x" RAM_ADDR_FMT ")",
2888 sz, ram_size);
2889 exit(EXIT_FAILURE);
2890 } else if (sz > ram_size) {
2891 if (!slots) {
2892 error_report("invalid value of -m option: maxmem was "
2893 "specified, but no hotplug slots were specified");
2894 exit(EXIT_FAILURE);
2895 }
2896 } else if (slots) {
2897 error_report("invalid value of -m option maxmem: "
2898 "memory slots were specified but maximum memory size "
2899 "(0x%" PRIx64 ") is equal to the initial memory size "
2900 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2901 exit(EXIT_FAILURE);
2902 }
2903
2904 *maxram_size = sz;
2905 *ram_slots = slots;
2906 } else if ((!maxmem_str && slots_str) ||
2907 (maxmem_str && !slots_str)) {
2908 error_report("invalid -m option value: missing "
2909 "'%s' option", slots_str ? "maxmem" : "slots");
2910 exit(EXIT_FAILURE);
2911 }
2912
2913 loc_pop(&loc);
2914 }
2915
2916 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2917 {
2918 GlobalProperty *g;
2919
2920 g = g_malloc0(sizeof(*g));
2921 g->driver = qemu_opt_get(opts, "driver");
2922 g->property = qemu_opt_get(opts, "property");
2923 g->value = qemu_opt_get(opts, "value");
2924 g->user_provided = true;
2925 g->errp = &error_fatal;
2926 qdev_prop_register_global(g);
2927 return 0;
2928 }
2929
2930 static int qemu_read_default_config_file(void)
2931 {
2932 int ret;
2933
2934 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2935 if (ret < 0 && ret != -ENOENT) {
2936 return ret;
2937 }
2938
2939 return 0;
2940 }
2941
2942 int main(int argc, char **argv, char **envp)
2943 {
2944 int i;
2945 int snapshot, linux_boot;
2946 const char *initrd_filename;
2947 const char *kernel_filename, *kernel_cmdline;
2948 const char *boot_order = NULL;
2949 const char *boot_once = NULL;
2950 DisplayState *ds;
2951 int cyls, heads, secs, translation;
2952 QemuOpts *opts, *machine_opts;
2953 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
2954 QemuOptsList *olist;
2955 int optind;
2956 const char *optarg;
2957 const char *loadvm = NULL;
2958 MachineClass *machine_class;
2959 const char *cpu_model;
2960 const char *vga_model = NULL;
2961 const char *qtest_chrdev = NULL;
2962 const char *qtest_log = NULL;
2963 const char *pid_file = NULL;
2964 const char *incoming = NULL;
2965 bool defconfig = true;
2966 bool userconfig = true;
2967 bool nographic = false;
2968 DisplayType display_type = DT_DEFAULT;
2969 int display_remote = 0;
2970 const char *log_mask = NULL;
2971 const char *log_file = NULL;
2972 char *trace_file = NULL;
2973 ram_addr_t maxram_size;
2974 uint64_t ram_slots = 0;
2975 FILE *vmstate_dump_file = NULL;
2976 Error *main_loop_err = NULL;
2977 Error *err = NULL;
2978 bool list_data_dirs = false;
2979 typedef struct BlockdevOptions_queue {
2980 BlockdevOptions *bdo;
2981 Location loc;
2982 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2983 } BlockdevOptions_queue;
2984 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2985 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2986
2987 module_call_init(MODULE_INIT_TRACE);
2988
2989 qemu_init_cpu_list();
2990 qemu_init_cpu_loop();
2991 qemu_mutex_lock_iothread();
2992
2993 atexit(qemu_run_exit_notifiers);
2994 error_set_progname(argv[0]);
2995 qemu_init_exec_dir(argv[0]);
2996
2997 module_call_init(MODULE_INIT_QOM);
2998 monitor_init_qmp_commands();
2999
3000 qemu_add_opts(&qemu_drive_opts);
3001 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3002 qemu_add_drive_opts(&qemu_common_drive_opts);
3003 qemu_add_drive_opts(&qemu_drive_opts);
3004 qemu_add_drive_opts(&bdrv_runtime_opts);
3005 qemu_add_opts(&qemu_chardev_opts);
3006 qemu_add_opts(&qemu_device_opts);
3007 qemu_add_opts(&qemu_netdev_opts);
3008 qemu_add_opts(&qemu_net_opts);
3009 qemu_add_opts(&qemu_rtc_opts);
3010 qemu_add_opts(&qemu_global_opts);
3011 qemu_add_opts(&qemu_mon_opts);
3012 qemu_add_opts(&qemu_trace_opts);
3013 qemu_add_opts(&qemu_option_rom_opts);
3014 qemu_add_opts(&qemu_machine_opts);
3015 qemu_add_opts(&qemu_accel_opts);
3016 qemu_add_opts(&qemu_mem_opts);
3017 qemu_add_opts(&qemu_smp_opts);
3018 qemu_add_opts(&qemu_boot_opts);
3019 qemu_add_opts(&qemu_sandbox_opts);
3020 qemu_add_opts(&qemu_add_fd_opts);
3021 qemu_add_opts(&qemu_object_opts);
3022 qemu_add_opts(&qemu_tpmdev_opts);
3023 qemu_add_opts(&qemu_realtime_opts);
3024 qemu_add_opts(&qemu_msg_opts);
3025 qemu_add_opts(&qemu_name_opts);
3026 qemu_add_opts(&qemu_numa_opts);
3027 qemu_add_opts(&qemu_icount_opts);
3028 qemu_add_opts(&qemu_semihosting_config_opts);
3029 qemu_add_opts(&qemu_fw_cfg_opts);
3030 module_call_init(MODULE_INIT_OPTS);
3031
3032 runstate_init();
3033
3034 if (qcrypto_init(&err) < 0) {
3035 error_reportf_err(err, "cannot initialize crypto: ");
3036 exit(1);
3037 }
3038 rtc_clock = QEMU_CLOCK_HOST;
3039
3040 QLIST_INIT (&vm_change_state_head);
3041 os_setup_early_signal_handling();
3042
3043 cpu_model = NULL;
3044 snapshot = 0;
3045 cyls = heads = secs = 0;
3046 translation = BIOS_ATA_TRANSLATION_AUTO;
3047
3048 nb_nics = 0;
3049
3050 bdrv_init_with_whitelist();
3051
3052 autostart = 1;
3053
3054 /* first pass of option parsing */
3055 optind = 1;
3056 while (optind < argc) {
3057 if (argv[optind][0] != '-') {
3058 /* disk image */
3059 optind++;
3060 } else {
3061 const QEMUOption *popt;
3062
3063 popt = lookup_opt(argc, argv, &optarg, &optind);
3064 switch (popt->index) {
3065 case QEMU_OPTION_nodefconfig:
3066 defconfig = false;
3067 break;
3068 case QEMU_OPTION_nouserconfig:
3069 userconfig = false;
3070 break;
3071 }
3072 }
3073 }
3074
3075 if (defconfig && userconfig) {
3076 if (qemu_read_default_config_file() < 0) {
3077 exit(1);
3078 }
3079 }
3080
3081 /* second pass of option parsing */
3082 optind = 1;
3083 for(;;) {
3084 if (optind >= argc)
3085 break;
3086 if (argv[optind][0] != '-') {
3087 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3088 } else {
3089 const QEMUOption *popt;
3090
3091 popt = lookup_opt(argc, argv, &optarg, &optind);
3092 if (!(popt->arch_mask & arch_type)) {
3093 error_report("Option not supported for this target");
3094 exit(1);
3095 }
3096 switch(popt->index) {
3097 case QEMU_OPTION_no_kvm_irqchip: {
3098 olist = qemu_find_opts("machine");
3099 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3100 break;
3101 }
3102 case QEMU_OPTION_cpu:
3103 /* hw initialization will check this */
3104 cpu_model = optarg;
3105 break;
3106 case QEMU_OPTION_hda:
3107 {
3108 char buf[256];
3109 if (cyls == 0)
3110 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3111 else
3112 snprintf(buf, sizeof(buf),
3113 "%s,cyls=%d,heads=%d,secs=%d%s",
3114 HD_OPTS , cyls, heads, secs,
3115 translation == BIOS_ATA_TRANSLATION_LBA ?
3116 ",trans=lba" :
3117 translation == BIOS_ATA_TRANSLATION_NONE ?
3118 ",trans=none" : "");
3119 drive_add(IF_DEFAULT, 0, optarg, buf);
3120 break;
3121 }
3122 case QEMU_OPTION_hdb:
3123 case QEMU_OPTION_hdc:
3124 case QEMU_OPTION_hdd:
3125 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3126 HD_OPTS);
3127 break;
3128 case QEMU_OPTION_blockdev:
3129 {
3130 Visitor *v;
3131 BlockdevOptions_queue *bdo;
3132
3133 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3134 if (!v) {
3135 error_report_err(err);
3136 exit(1);
3137 }
3138
3139 bdo = g_new(BlockdevOptions_queue, 1);
3140 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3141 &error_fatal);
3142 visit_free(v);
3143 loc_save(&bdo->loc);
3144 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3145 break;
3146 }
3147 case QEMU_OPTION_drive:
3148 if (drive_def(optarg) == NULL) {
3149 exit(1);
3150 }
3151 break;
3152 case QEMU_OPTION_set:
3153 if (qemu_set_option(optarg) != 0)
3154 exit(1);
3155 break;
3156 case QEMU_OPTION_global:
3157 if (qemu_global_option(optarg) != 0)
3158 exit(1);
3159 break;
3160 case QEMU_OPTION_mtdblock:
3161 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3162 break;
3163 case QEMU_OPTION_sd:
3164 drive_add(IF_SD, -1, optarg, SD_OPTS);
3165 break;
3166 case QEMU_OPTION_pflash:
3167 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3168 break;
3169 case QEMU_OPTION_snapshot:
3170 snapshot = 1;
3171 break;
3172 case QEMU_OPTION_hdachs:
3173 {
3174 const char *p;
3175 p = optarg;
3176 cyls = strtol(p, (char **)&p, 0);
3177 if (cyls < 1 || cyls > 16383)
3178 goto chs_fail;
3179 if (*p != ',')
3180 goto chs_fail;
3181 p++;
3182 heads = strtol(p, (char **)&p, 0);
3183 if (heads < 1 || heads > 16)
3184 goto chs_fail;
3185 if (*p != ',')
3186 goto chs_fail;
3187 p++;
3188 secs = strtol(p, (char **)&p, 0);
3189 if (secs < 1 || secs > 63)
3190 goto chs_fail;
3191 if (*p == ',') {
3192 p++;
3193 if (!strcmp(p, "large")) {
3194 translation = BIOS_ATA_TRANSLATION_LARGE;
3195 } else if (!strcmp(p, "rechs")) {
3196 translation = BIOS_ATA_TRANSLATION_RECHS;
3197 } else if (!strcmp(p, "none")) {
3198 translation = BIOS_ATA_TRANSLATION_NONE;
3199 } else if (!strcmp(p, "lba")) {
3200 translation = BIOS_ATA_TRANSLATION_LBA;
3201 } else if (!strcmp(p, "auto")) {
3202 translation = BIOS_ATA_TRANSLATION_AUTO;
3203 } else {
3204 goto chs_fail;
3205 }
3206 } else if (*p != '\0') {
3207 chs_fail:
3208 error_report("invalid physical CHS format");
3209 exit(1);
3210 }
3211 if (hda_opts != NULL) {
3212 qemu_opt_set_number(hda_opts, "cyls", cyls,
3213 &error_abort);
3214 qemu_opt_set_number(hda_opts, "heads", heads,
3215 &error_abort);
3216 qemu_opt_set_number(hda_opts, "secs", secs,
3217 &error_abort);
3218 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3219 qemu_opt_set(hda_opts, "trans", "large",
3220 &error_abort);
3221 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3222 qemu_opt_set(hda_opts, "trans", "rechs",
3223 &error_abort);
3224 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3225 qemu_opt_set(hda_opts, "trans", "lba",
3226 &error_abort);
3227 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3228 qemu_opt_set(hda_opts, "trans", "none",
3229 &error_abort);
3230 }
3231 }
3232 }
3233 break;
3234 case QEMU_OPTION_numa:
3235 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3236 optarg, true);
3237 if (!opts) {
3238 exit(1);
3239 }
3240 break;
3241 case QEMU_OPTION_display:
3242 display_type = select_display(optarg);
3243 break;
3244 case QEMU_OPTION_nographic:
3245 olist = qemu_find_opts("machine");
3246 qemu_opts_parse_noisily(olist, "graphics=off", false);
3247 nographic = true;
3248 display_type = DT_NONE;
3249 break;
3250 case QEMU_OPTION_curses:
3251 #ifdef CONFIG_CURSES
3252 display_type = DT_CURSES;
3253 #else
3254 error_report("curses support is disabled");
3255 exit(1);
3256 #endif
3257 break;
3258 case QEMU_OPTION_portrait:
3259 graphic_rotate = 90;
3260 break;
3261 case QEMU_OPTION_rotate:
3262 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3263 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3264 graphic_rotate != 180 && graphic_rotate != 270) {
3265 error_report("only 90, 180, 270 deg rotation is available");
3266 exit(1);
3267 }
3268 break;
3269 case QEMU_OPTION_kernel:
3270 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3271 &error_abort);
3272 break;
3273 case QEMU_OPTION_initrd:
3274 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3275 &error_abort);
3276 break;
3277 case QEMU_OPTION_append:
3278 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3279 &error_abort);
3280 break;
3281 case QEMU_OPTION_dtb:
3282 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3283 &error_abort);
3284 break;
3285 case QEMU_OPTION_cdrom:
3286 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3287 break;
3288 case QEMU_OPTION_boot:
3289 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3290 optarg, true);
3291 if (!opts) {
3292 exit(1);
3293 }
3294 break;
3295 case QEMU_OPTION_fda:
3296 case QEMU_OPTION_fdb:
3297 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3298 optarg, FD_OPTS);
3299 break;
3300 case QEMU_OPTION_no_fd_bootchk:
3301 fd_bootchk = 0;
3302 break;
3303 case QEMU_OPTION_netdev:
3304 default_net = 0;
3305 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3306 exit(1);
3307 }
3308 break;
3309 case QEMU_OPTION_net:
3310 default_net = 0;
3311 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3312 exit(1);
3313 }
3314 break;
3315 #ifdef CONFIG_LIBISCSI
3316 case QEMU_OPTION_iscsi:
3317 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3318 optarg, false);
3319 if (!opts) {
3320 exit(1);
3321 }
3322 break;
3323 #endif
3324 #ifdef CONFIG_SLIRP
3325 case QEMU_OPTION_tftp:
3326 error_report("The -tftp option is deprecated. "
3327 "Please use '-netdev user,tftp=...' instead.");
3328 legacy_tftp_prefix = optarg;
3329 break;
3330 case QEMU_OPTION_bootp:
3331 error_report("The -bootp option is deprecated. "
3332 "Please use '-netdev user,bootfile=...' instead.");
3333 legacy_bootp_filename = optarg;
3334 break;
3335 case QEMU_OPTION_redir:
3336 error_report("The -redir option is deprecated. "
3337 "Please use '-netdev user,hostfwd=...' instead.");
3338 if (net_slirp_redir(optarg) < 0)
3339 exit(1);
3340 break;
3341 #endif
3342 case QEMU_OPTION_bt:
3343 add_device_config(DEV_BT, optarg);
3344 break;
3345 case QEMU_OPTION_audio_help:
3346 AUD_help ();
3347 exit (0);
3348 break;
3349 case QEMU_OPTION_soundhw:
3350 select_soundhw (optarg);
3351 break;
3352 case QEMU_OPTION_h:
3353 help(0);
3354 break;
3355 case QEMU_OPTION_version:
3356 version();
3357 exit(0);
3358 break;
3359 case QEMU_OPTION_m:
3360 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3361 optarg, true);
3362 if (!opts) {
3363 exit(EXIT_FAILURE);
3364 }
3365 break;
3366 #ifdef CONFIG_TPM
3367 case QEMU_OPTION_tpmdev:
3368 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3369 exit(1);
3370 }
3371 break;
3372 #endif
3373 case QEMU_OPTION_mempath:
3374 mem_path = optarg;
3375 break;
3376 case QEMU_OPTION_mem_prealloc:
3377 mem_prealloc = 1;
3378 break;
3379 case QEMU_OPTION_d:
3380 log_mask = optarg;
3381 break;
3382 case QEMU_OPTION_D:
3383 log_file = optarg;
3384 break;
3385 case QEMU_OPTION_DFILTER:
3386 qemu_set_dfilter_ranges(optarg, &error_fatal);
3387 break;
3388 case QEMU_OPTION_s:
3389 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3390 break;
3391 case QEMU_OPTION_gdb:
3392 add_device_config(DEV_GDB, optarg);
3393 break;
3394 case QEMU_OPTION_L:
3395 if (is_help_option(optarg)) {
3396 list_data_dirs = true;
3397 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3398 data_dir[data_dir_idx++] = optarg;
3399 }
3400 break;
3401 case QEMU_OPTION_bios:
3402 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3403 &error_abort);
3404 break;
3405 case QEMU_OPTION_singlestep:
3406 singlestep = 1;
3407 break;
3408 case QEMU_OPTION_S:
3409 autostart = 0;
3410 break;
3411 case QEMU_OPTION_k:
3412 keyboard_layout = optarg;
3413 break;
3414 case QEMU_OPTION_localtime:
3415 rtc_utc = 0;
3416 break;
3417 case QEMU_OPTION_vga:
3418 vga_model = optarg;
3419 default_vga = 0;
3420 break;
3421 case QEMU_OPTION_g:
3422 {
3423 const char *p;
3424 int w, h, depth;
3425 p = optarg;
3426 w = strtol(p, (char **)&p, 10);
3427 if (w <= 0) {
3428 graphic_error:
3429 error_report("invalid resolution or depth");
3430 exit(1);
3431 }
3432 if (*p != 'x')
3433 goto graphic_error;
3434 p++;
3435 h = strtol(p, (char **)&p, 10);
3436 if (h <= 0)
3437 goto graphic_error;
3438 if (*p == 'x') {
3439 p++;
3440 depth = strtol(p, (char **)&p, 10);
3441 if (depth != 8 && depth != 15 && depth != 16 &&
3442 depth != 24 && depth != 32)
3443 goto graphic_error;
3444 } else if (*p == '\0') {
3445 depth = graphic_depth;
3446 } else {
3447 goto graphic_error;
3448 }
3449
3450 graphic_width = w;
3451 graphic_height = h;
3452 graphic_depth = depth;
3453 }
3454 break;
3455 case QEMU_OPTION_echr:
3456 {
3457 char *r;
3458 term_escape_char = strtol(optarg, &r, 0);
3459 if (r == optarg)
3460 printf("Bad argument to echr\n");
3461 break;
3462 }
3463 case QEMU_OPTION_monitor:
3464 default_monitor = 0;
3465 if (strncmp(optarg, "none", 4)) {
3466 monitor_parse(optarg, "readline", false);
3467 }
3468 break;
3469 case QEMU_OPTION_qmp:
3470 monitor_parse(optarg, "control", false);
3471 default_monitor = 0;
3472 break;
3473 case QEMU_OPTION_qmp_pretty:
3474 monitor_parse(optarg, "control", true);
3475 default_monitor = 0;
3476 break;
3477 case QEMU_OPTION_mon:
3478 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3479 true);
3480 if (!opts) {
3481 exit(1);
3482 }
3483 default_monitor = 0;
3484 break;
3485 case QEMU_OPTION_chardev:
3486 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3487 optarg, true);
3488 if (!opts) {
3489 exit(1);
3490 }
3491 break;
3492 case QEMU_OPTION_fsdev:
3493 olist = qemu_find_opts("fsdev");
3494 if (!olist) {
3495 error_report("fsdev support is disabled");
3496 exit(1);
3497 }
3498 opts = qemu_opts_parse_noisily(olist, optarg, true);
3499 if (!opts) {
3500 exit(1);
3501 }
3502 break;
3503 case QEMU_OPTION_virtfs: {
3504 QemuOpts *fsdev;
3505 QemuOpts *device;
3506 const char *writeout, *sock_fd, *socket;
3507
3508 olist = qemu_find_opts("virtfs");
3509 if (!olist) {
3510 error_report("virtfs support is disabled");
3511 exit(1);
3512 }
3513 opts = qemu_opts_parse_noisily(olist, optarg, true);
3514 if (!opts) {
3515 exit(1);
3516 }
3517
3518 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3519 qemu_opt_get(opts, "mount_tag") == NULL) {
3520 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3521 exit(1);
3522 }
3523 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3524 qemu_opt_get(opts, "mount_tag"),
3525 1, NULL);
3526 if (!fsdev) {
3527 error_report("duplicate fsdev id: %s",
3528 qemu_opt_get(opts, "mount_tag"));
3529 exit(1);
3530 }
3531
3532 writeout = qemu_opt_get(opts, "writeout");
3533 if (writeout) {
3534 #ifdef CONFIG_SYNC_FILE_RANGE
3535 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3536 #else
3537 error_report("writeout=immediate not supported "
3538 "on this platform");
3539 exit(1);
3540 #endif
3541 }
3542 qemu_opt_set(fsdev, "fsdriver",
3543 qemu_opt_get(opts, "fsdriver"), &error_abort);
3544 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3545 &error_abort);
3546 qemu_opt_set(fsdev, "security_model",
3547 qemu_opt_get(opts, "security_model"),
3548 &error_abort);
3549 socket = qemu_opt_get(opts, "socket");
3550 if (socket) {
3551 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3552 }
3553 sock_fd = qemu_opt_get(opts, "sock_fd");
3554 if (sock_fd) {
3555 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3556 }
3557
3558 qemu_opt_set_bool(fsdev, "readonly",
3559 qemu_opt_get_bool(opts, "readonly", 0),
3560 &error_abort);
3561 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3562 &error_abort);
3563 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3564 qemu_opt_set(device, "fsdev",
3565 qemu_opt_get(opts, "mount_tag"), &error_abort);
3566 qemu_opt_set(device, "mount_tag",
3567 qemu_opt_get(opts, "mount_tag"), &error_abort);
3568 break;
3569 }
3570 case QEMU_OPTION_virtfs_synth: {
3571 QemuOpts *fsdev;
3572 QemuOpts *device;
3573
3574 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3575 1, NULL);
3576 if (!fsdev) {
3577 error_report("duplicate option: %s", "virtfs_synth");
3578 exit(1);
3579 }
3580 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3581
3582 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3583 &error_abort);
3584 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3585 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3586 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3587 break;
3588 }
3589 case QEMU_OPTION_serial:
3590 add_device_config(DEV_SERIAL, optarg);
3591 default_serial = 0;
3592 if (strncmp(optarg, "mon:", 4) == 0) {
3593 default_monitor = 0;
3594 }
3595 break;
3596 case QEMU_OPTION_watchdog:
3597 if (watchdog) {
3598 error_report("only one watchdog option may be given");
3599 return 1;
3600 }
3601 watchdog = optarg;
3602 break;
3603 case QEMU_OPTION_watchdog_action:
3604 if (select_watchdog_action(optarg) == -1) {
3605 error_report("unknown -watchdog-action parameter");
3606 exit(1);
3607 }
3608 break;
3609 case QEMU_OPTION_virtiocon:
3610 add_device_config(DEV_VIRTCON, optarg);
3611 default_virtcon = 0;
3612 if (strncmp(optarg, "mon:", 4) == 0) {
3613 default_monitor = 0;
3614 }
3615 break;
3616 case QEMU_OPTION_parallel:
3617 add_device_config(DEV_PARALLEL, optarg);
3618 default_parallel = 0;
3619 if (strncmp(optarg, "mon:", 4) == 0) {
3620 default_monitor = 0;
3621 }
3622 break;
3623 case QEMU_OPTION_debugcon:
3624 add_device_config(DEV_DEBUGCON, optarg);
3625 break;
3626 case QEMU_OPTION_loadvm:
3627 loadvm = optarg;
3628 break;
3629 case QEMU_OPTION_full_screen:
3630 full_screen = 1;
3631 break;
3632 case QEMU_OPTION_no_frame:
3633 no_frame = 1;
3634 break;
3635 case QEMU_OPTION_alt_grab:
3636 alt_grab = 1;
3637 break;
3638 case QEMU_OPTION_ctrl_grab:
3639 ctrl_grab = 1;
3640 break;
3641 case QEMU_OPTION_no_quit:
3642 no_quit = 1;
3643 break;
3644 case QEMU_OPTION_sdl:
3645 #ifdef CONFIG_SDL
3646 display_type = DT_SDL;
3647 break;
3648 #else
3649 error_report("SDL support is disabled");
3650 exit(1);
3651 #endif
3652 case QEMU_OPTION_pidfile:
3653 pid_file = optarg;
3654 break;
3655 case QEMU_OPTION_win2k_hack:
3656 win2k_install_hack = 1;
3657 break;
3658 case QEMU_OPTION_rtc_td_hack: {
3659 static GlobalProperty slew_lost_ticks = {
3660 .driver = "mc146818rtc",
3661 .property = "lost_tick_policy",
3662 .value = "slew",
3663 };
3664
3665 qdev_prop_register_global(&slew_lost_ticks);
3666 break;
3667 }
3668 case QEMU_OPTION_acpitable:
3669 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3670 optarg, true);
3671 if (!opts) {
3672 exit(1);
3673 }
3674 acpi_table_add(opts, &error_fatal);
3675 break;
3676 case QEMU_OPTION_smbios:
3677 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3678 optarg, false);
3679 if (!opts) {
3680 exit(1);
3681 }
3682 smbios_entry_add(opts, &error_fatal);
3683 break;
3684 case QEMU_OPTION_fwcfg:
3685 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3686 optarg, true);
3687 if (opts == NULL) {
3688 exit(1);
3689 }
3690 break;
3691 case QEMU_OPTION_enable_kvm:
3692 olist = qemu_find_opts("machine");
3693 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3694 break;
3695 case QEMU_OPTION_enable_hax:
3696 olist = qemu_find_opts("machine");
3697 qemu_opts_parse_noisily(olist, "accel=hax", false);
3698 break;
3699 case QEMU_OPTION_M:
3700 case QEMU_OPTION_machine:
3701 olist = qemu_find_opts("machine");
3702 opts = qemu_opts_parse_noisily(olist, optarg, true);
3703 if (!opts) {
3704 exit(1);
3705 }
3706 break;
3707 case QEMU_OPTION_no_kvm:
3708 olist = qemu_find_opts("machine");
3709 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3710 break;
3711 case QEMU_OPTION_no_kvm_pit: {
3712 error_report("warning: ignoring deprecated option");
3713 break;
3714 }
3715 case QEMU_OPTION_no_kvm_pit_reinjection: {
3716 static GlobalProperty kvm_pit_lost_tick_policy = {
3717 .driver = "kvm-pit",
3718 .property = "lost_tick_policy",
3719 .value = "discard",
3720 };
3721
3722 error_report("warning: deprecated, replaced by "
3723 "-global kvm-pit.lost_tick_policy=discard");
3724 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3725 break;
3726 }
3727 case QEMU_OPTION_accel:
3728 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3729 optarg, true);
3730 optarg = qemu_opt_get(accel_opts, "accel");
3731
3732 olist = qemu_find_opts("machine");
3733 if (strcmp("kvm", optarg) == 0) {
3734 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3735 } else if (strcmp("xen", optarg) == 0) {
3736 qemu_opts_parse_noisily(olist, "accel=xen", false);
3737 } else if (strcmp("tcg", optarg) == 0) {
3738 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3739 } else {
3740 if (!is_help_option(optarg)) {
3741 error_printf("Unknown accelerator: %s", optarg);
3742 }
3743 error_printf("Supported accelerators: kvm, xen, tcg\n");
3744 exit(1);
3745 }
3746 break;
3747 case QEMU_OPTION_usb:
3748 olist = qemu_find_opts("machine");
3749 qemu_opts_parse_noisily(olist, "usb=on", false);
3750 break;
3751 case QEMU_OPTION_usbdevice:
3752 olist = qemu_find_opts("machine");
3753 qemu_opts_parse_noisily(olist, "usb=on", false);
3754 add_device_config(DEV_USB, optarg);
3755 break;
3756 case QEMU_OPTION_device:
3757 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3758 optarg, true)) {
3759 exit(1);
3760 }
3761 break;
3762 case QEMU_OPTION_smp:
3763 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3764 optarg, true)) {
3765 exit(1);
3766 }
3767 break;
3768 case QEMU_OPTION_vnc:
3769 vnc_parse(optarg, &error_fatal);
3770 break;
3771 case QEMU_OPTION_no_acpi:
3772 acpi_enabled = 0;
3773 break;
3774 case QEMU_OPTION_no_hpet:
3775 no_hpet = 1;
3776 break;
3777 case QEMU_OPTION_balloon:
3778 if (balloon_parse(optarg) < 0) {
3779 error_report("unknown -balloon argument %s", optarg);
3780 exit(1);
3781 }
3782 break;
3783 case QEMU_OPTION_no_reboot:
3784 no_reboot = 1;
3785 break;
3786 case QEMU_OPTION_no_shutdown:
3787 no_shutdown = 1;
3788 break;
3789 case QEMU_OPTION_show_cursor:
3790 cursor_hide = 0;
3791 break;
3792 case QEMU_OPTION_uuid:
3793 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3794 error_report("failed to parse UUID string: wrong format");
3795 exit(1);
3796 }
3797 qemu_uuid_set = true;
3798 break;
3799 case QEMU_OPTION_option_rom:
3800 if (nb_option_roms >= MAX_OPTION_ROMS) {
3801 error_report("too many option ROMs");
3802 exit(1);
3803 }
3804 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3805 optarg, true);
3806 if (!opts) {
3807 exit(1);
3808 }
3809 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3810 option_rom[nb_option_roms].bootindex =
3811 qemu_opt_get_number(opts, "bootindex", -1);
3812 if (!option_rom[nb_option_roms].name) {
3813 error_report("Option ROM file is not specified");
3814 exit(1);
3815 }
3816 nb_option_roms++;
3817 break;
3818 case QEMU_OPTION_semihosting:
3819 semihosting.enabled = true;
3820 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3821 break;
3822 case QEMU_OPTION_semihosting_config:
3823 semihosting.enabled = true;
3824 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3825 optarg, false);
3826 if (opts != NULL) {
3827 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3828 true);
3829 const char *target = qemu_opt_get(opts, "target");
3830 if (target != NULL) {
3831 if (strcmp("native", target) == 0) {
3832 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3833 } else if (strcmp("gdb", target) == 0) {
3834 semihosting.target = SEMIHOSTING_TARGET_GDB;
3835 } else if (strcmp("auto", target) == 0) {
3836 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3837 } else {
3838 error_report("unsupported semihosting-config %s",
3839 optarg);
3840 exit(1);
3841 }
3842 } else {
3843 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3844 }
3845 /* Set semihosting argument count and vector */
3846 qemu_opt_foreach(opts, add_semihosting_arg,
3847 &semihosting, NULL);
3848 } else {
3849 error_report("unsupported semihosting-config %s", optarg);
3850 exit(1);
3851 }
3852 break;
3853 case QEMU_OPTION_tdf:
3854 error_report("warning: ignoring deprecated option");
3855 break;
3856 case QEMU_OPTION_name:
3857 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3858 optarg, true);
3859 if (!opts) {
3860 exit(1);
3861 }
3862 break;
3863 case QEMU_OPTION_prom_env:
3864 if (nb_prom_envs >= MAX_PROM_ENVS) {
3865 error_report("too many prom variables");
3866 exit(1);
3867 }
3868 prom_envs[nb_prom_envs] = optarg;
3869 nb_prom_envs++;
3870 break;
3871 case QEMU_OPTION_old_param:
3872 old_param = 1;
3873 break;
3874 case QEMU_OPTION_clock:
3875 /* Clock options no longer exist. Keep this option for
3876 * backward compatibility.
3877 */
3878 break;
3879 case QEMU_OPTION_startdate:
3880 configure_rtc_date_offset(optarg, 1);
3881 break;
3882 case QEMU_OPTION_rtc:
3883 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3884 false);
3885 if (!opts) {
3886 exit(1);
3887 }
3888 configure_rtc(opts);
3889 break;
3890 case QEMU_OPTION_tb_size:
3891 tcg_tb_size = strtol(optarg, NULL, 0);
3892 if (tcg_tb_size < 0) {
3893 tcg_tb_size = 0;
3894 }
3895 break;
3896 case QEMU_OPTION_icount:
3897 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3898 optarg, true);
3899 if (!icount_opts) {
3900 exit(1);
3901 }
3902 break;
3903 case QEMU_OPTION_incoming:
3904 if (!incoming) {
3905 runstate_set(RUN_STATE_INMIGRATE);
3906 }
3907 incoming = optarg;
3908 break;
3909 case QEMU_OPTION_only_migratable:
3910 only_migratable = 1;
3911 break;
3912 case QEMU_OPTION_nodefaults:
3913 has_defaults = 0;
3914 break;
3915 case QEMU_OPTION_xen_domid:
3916 if (!(xen_available())) {
3917 error_report("Option not supported for this target");
3918 exit(1);
3919 }
3920 xen_domid = atoi(optarg);
3921 break;
3922 case QEMU_OPTION_xen_create:
3923 if (!(xen_available())) {
3924 error_report("Option not supported for this target");
3925 exit(1);
3926 }
3927 xen_mode = XEN_CREATE;
3928 break;
3929 case QEMU_OPTION_xen_attach:
3930 if (!(xen_available())) {
3931 error_report("Option not supported for this target");
3932 exit(1);
3933 }
3934 xen_mode = XEN_ATTACH;
3935 break;
3936 case QEMU_OPTION_trace:
3937 g_free(trace_file);
3938 trace_file = trace_opt_parse(optarg);
3939 break;
3940 case QEMU_OPTION_readconfig:
3941 {
3942 int ret = qemu_read_config_file(optarg);
3943 if (ret < 0) {
3944 error_report("read config %s: %s", optarg,
3945 strerror(-ret));
3946 exit(1);
3947 }
3948 break;
3949 }
3950 case QEMU_OPTION_spice:
3951 olist = qemu_find_opts("spice");
3952 if (!olist) {
3953 error_report("spice support is disabled");
3954 exit(1);
3955 }
3956 opts = qemu_opts_parse_noisily(olist, optarg, false);
3957 if (!opts) {
3958 exit(1);
3959 }
3960 display_remote++;
3961 break;
3962 case QEMU_OPTION_writeconfig:
3963 {
3964 FILE *fp;
3965 if (strcmp(optarg, "-") == 0) {
3966 fp = stdout;
3967 } else {
3968 fp = fopen(optarg, "w");
3969 if (fp == NULL) {
3970 error_report("open %s: %s", optarg,
3971 strerror(errno));
3972 exit(1);
3973 }
3974 }
3975 qemu_config_write(fp);
3976 if (fp != stdout) {
3977 fclose(fp);
3978 }
3979 break;
3980 }
3981 case QEMU_OPTION_qtest:
3982 qtest_chrdev = optarg;
3983 break;
3984 case QEMU_OPTION_qtest_log:
3985 qtest_log = optarg;
3986 break;
3987 case QEMU_OPTION_sandbox:
3988 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3989 optarg, true);
3990 if (!opts) {
3991 exit(1);
3992 }
3993 break;
3994 case QEMU_OPTION_add_fd:
3995 #ifndef _WIN32
3996 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3997 optarg, false);
3998 if (!opts) {
3999 exit(1);
4000 }
4001 #else
4002 error_report("File descriptor passing is disabled on this "
4003 "platform");
4004 exit(1);
4005 #endif
4006 break;
4007 case QEMU_OPTION_object:
4008 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4009 optarg, true);
4010 if (!opts) {
4011 exit(1);
4012 }
4013 break;
4014 case QEMU_OPTION_realtime:
4015 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4016 optarg, false);
4017 if (!opts) {
4018 exit(1);
4019 }
4020 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4021 break;
4022 case QEMU_OPTION_msg:
4023 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4024 false);
4025 if (!opts) {
4026 exit(1);
4027 }
4028 configure_msg(opts);
4029 break;
4030 case QEMU_OPTION_dump_vmstate:
4031 if (vmstate_dump_file) {
4032 error_report("only one '-dump-vmstate' "
4033 "option may be given");
4034 exit(1);
4035 }
4036 vmstate_dump_file = fopen(optarg, "w");
4037 if (vmstate_dump_file == NULL) {
4038 error_report("open %s: %s", optarg, strerror(errno));
4039 exit(1);
4040 }
4041 break;
4042 default:
4043 os_parse_cmd_args(popt->index, optarg);
4044 }
4045 }
4046 }
4047 /*
4048 * Clear error location left behind by the loop.
4049 * Best done right after the loop. Do not insert code here!
4050 */
4051 loc_set_none();
4052
4053 replay_configure(icount_opts);
4054
4055 machine_class = select_machine();
4056
4057 set_memory_options(&ram_slots, &maxram_size, machine_class);
4058
4059 os_daemonize();
4060
4061 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4062 error_report("could not acquire pid file: %s", strerror(errno));
4063 exit(1);
4064 }
4065
4066 if (qemu_init_main_loop(&main_loop_err)) {
4067 error_report_err(main_loop_err);
4068 exit(1);
4069 }
4070
4071 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4072 parse_sandbox, NULL, NULL)) {
4073 exit(1);
4074 }
4075
4076 if (qemu_opts_foreach(qemu_find_opts("name"),
4077 parse_name, NULL, NULL)) {
4078 exit(1);
4079 }
4080
4081 #ifndef _WIN32
4082 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4083 parse_add_fd, NULL, NULL)) {
4084 exit(1);
4085 }
4086
4087 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4088 cleanup_add_fd, NULL, NULL)) {
4089 exit(1);
4090 }
4091 #endif
4092
4093 current_machine = MACHINE(object_new(object_class_get_name(
4094 OBJECT_CLASS(machine_class))));
4095 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4096 exit(0);
4097 }
4098 object_property_add_child(object_get_root(), "machine",
4099 OBJECT(current_machine), &error_abort);
4100
4101 if (machine_class->minimum_page_bits) {
4102 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4103 /* This would be a board error: specifying a minimum smaller than
4104 * a target's compile-time fixed setting.
4105 */
4106 g_assert_not_reached();
4107 }
4108 }
4109
4110 cpu_exec_init_all();
4111
4112 if (machine_class->hw_version) {
4113 qemu_set_hw_version(machine_class->hw_version);
4114 }
4115
4116 if (cpu_model && is_help_option(cpu_model)) {
4117 list_cpus(stdout, &fprintf, cpu_model);
4118 exit(0);
4119 }
4120
4121 if (!trace_init_backends()) {
4122 exit(1);
4123 }
4124 trace_init_file(trace_file);
4125
4126 /* Open the logfile at this point and set the log mask if necessary.
4127 */
4128 if (log_file) {
4129 qemu_set_log_filename(log_file, &error_fatal);
4130 }
4131
4132 if (log_mask) {
4133 int mask;
4134 mask = qemu_str_to_log_mask(log_mask);
4135 if (!mask) {
4136 qemu_print_log_usage(stdout);
4137 exit(1);
4138 }
4139 qemu_set_log(mask);
4140 } else {
4141 qemu_set_log(0);
4142 }
4143
4144 /* If no data_dir is specified then try to find it relative to the
4145 executable path. */
4146 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4147 data_dir[data_dir_idx] = os_find_datadir();
4148 if (data_dir[data_dir_idx] != NULL) {
4149 data_dir_idx++;
4150 }
4151 }
4152 /* If all else fails use the install path specified when building. */
4153 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4154 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4155 }
4156
4157 /* -L help lists the data directories and exits. */
4158 if (list_data_dirs) {
4159 for (i = 0; i < data_dir_idx; i++) {
4160 printf("%s\n", data_dir[i]);
4161 }
4162 exit(0);
4163 }
4164
4165 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4166
4167 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4168 if (max_cpus > machine_class->max_cpus) {
4169 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4170 "supported by machine '%s' (%d)", max_cpus,
4171 machine_class->name, machine_class->max_cpus);
4172 exit(1);
4173 }
4174
4175 /*
4176 * Get the default machine options from the machine if it is not already
4177 * specified either by the configuration file or by the command line.
4178 */
4179 if (machine_class->default_machine_opts) {
4180 qemu_opts_set_defaults(qemu_find_opts("machine"),
4181 machine_class->default_machine_opts, 0);
4182 }
4183
4184 qemu_opts_foreach(qemu_find_opts("device"),
4185 default_driver_check, NULL, NULL);
4186 qemu_opts_foreach(qemu_find_opts("global"),
4187 default_driver_check, NULL, NULL);
4188
4189 if (!vga_model && !default_vga) {
4190 vga_interface_type = VGA_DEVICE;
4191 }
4192 if (!has_defaults || machine_class->no_serial) {
4193 default_serial = 0;
4194 }
4195 if (!has_defaults || machine_class->no_parallel) {
4196 default_parallel = 0;
4197 }
4198 if (!has_defaults || !machine_class->use_virtcon) {
4199 default_virtcon = 0;
4200 }
4201 if (!has_defaults || !machine_class->use_sclp) {
4202 default_sclp = 0;
4203 }
4204 if (!has_defaults || machine_class->no_floppy) {
4205 default_floppy = 0;
4206 }
4207 if (!has_defaults || machine_class->no_cdrom) {
4208 default_cdrom = 0;
4209 }
4210 if (!has_defaults || machine_class->no_sdcard) {
4211 default_sdcard = 0;
4212 }
4213 if (!has_defaults) {
4214 default_monitor = 0;
4215 default_net = 0;
4216 default_vga = 0;
4217 }
4218
4219 if (is_daemonized()) {
4220 /* According to documentation and historically, -nographic redirects
4221 * serial port, parallel port and monitor to stdio, which does not work
4222 * with -daemonize. We can redirect these to null instead, but since
4223 * -nographic is legacy, let's just error out.
4224 * We disallow -nographic only if all other ports are not redirected
4225 * explicitly, to not break existing legacy setups which uses
4226 * -nographic _and_ redirects all ports explicitly - this is valid
4227 * usage, -nographic is just a no-op in this case.
4228 */
4229 if (nographic
4230 && (default_parallel || default_serial
4231 || default_monitor || default_virtcon)) {
4232 error_report("-nographic cannot be used with -daemonize");
4233 exit(1);
4234 }
4235 #ifdef CONFIG_CURSES
4236 if (display_type == DT_CURSES) {
4237 error_report("curses display cannot be used with -daemonize");
4238 exit(1);
4239 }
4240 #endif
4241 }
4242
4243 if (nographic) {
4244 if (default_parallel)
4245 add_device_config(DEV_PARALLEL, "null");
4246 if (default_serial && default_monitor) {
4247 add_device_config(DEV_SERIAL, "mon:stdio");
4248 } else if (default_virtcon && default_monitor) {
4249 add_device_config(DEV_VIRTCON, "mon:stdio");
4250 } else if (default_sclp && default_monitor) {
4251 add_device_config(DEV_SCLP, "mon:stdio");
4252 } else {
4253 if (default_serial)
4254 add_device_config(DEV_SERIAL, "stdio");
4255 if (default_virtcon)
4256 add_device_config(DEV_VIRTCON, "stdio");
4257 if (default_sclp) {
4258 add_device_config(DEV_SCLP, "stdio");
4259 }
4260 if (default_monitor)
4261 monitor_parse("stdio", "readline", false);
4262 }
4263 } else {
4264 if (default_serial)
4265 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4266 if (default_parallel)
4267 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4268 if (default_monitor)
4269 monitor_parse("vc:80Cx24C", "readline", false);
4270 if (default_virtcon)
4271 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4272 if (default_sclp) {
4273 add_device_config(DEV_SCLP, "vc:80Cx24C");
4274 }
4275 }
4276
4277 #if defined(CONFIG_VNC)
4278 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4279 display_remote++;
4280 }
4281 #endif
4282 if (display_type == DT_DEFAULT && !display_remote) {
4283 #if defined(CONFIG_GTK)
4284 display_type = DT_GTK;
4285 #elif defined(CONFIG_SDL)
4286 display_type = DT_SDL;
4287 #elif defined(CONFIG_COCOA)
4288 display_type = DT_COCOA;
4289 #elif defined(CONFIG_VNC)
4290 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4291 #else
4292 display_type = DT_NONE;
4293 #endif
4294 }
4295
4296 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4297 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4298 "for SDL, ignoring option");
4299 }
4300 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4301 error_report("-no-quit is only valid for GTK and SDL, "
4302 "ignoring option");
4303 }
4304
4305 if (display_type == DT_GTK) {
4306 early_gtk_display_init(request_opengl);
4307 }
4308
4309 if (display_type == DT_SDL) {
4310 sdl_display_early_init(request_opengl);
4311 }
4312
4313 qemu_console_early_init();
4314
4315 if (request_opengl == 1 && display_opengl == 0) {
4316 #if defined(CONFIG_OPENGL)
4317 error_report("OpenGL is not supported by the display");
4318 #else
4319 error_report("OpenGL support is disabled");
4320 #endif
4321 exit(1);
4322 }
4323
4324 page_size_init();
4325 socket_init();
4326
4327 if (qemu_opts_foreach(qemu_find_opts("object"),
4328 user_creatable_add_opts_foreach,
4329 object_create_initial, NULL)) {
4330 exit(1);
4331 }
4332
4333 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4334 chardev_init_func, NULL, NULL)) {
4335 exit(1);
4336 }
4337
4338 #ifdef CONFIG_VIRTFS
4339 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4340 fsdev_init_func, NULL, NULL)) {
4341 exit(1);
4342 }
4343 #endif
4344
4345 if (qemu_opts_foreach(qemu_find_opts("device"),
4346 device_help_func, NULL, NULL)) {
4347 exit(0);
4348 }
4349
4350 machine_opts = qemu_get_machine_opts();
4351 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4352 NULL)) {
4353 object_unref(OBJECT(current_machine));
4354 exit(1);
4355 }
4356
4357 configure_accelerator(current_machine);
4358
4359 if (qtest_chrdev) {
4360 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4361 }
4362
4363 machine_opts = qemu_get_machine_opts();
4364 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4365 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4366 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4367 bios_name = qemu_opt_get(machine_opts, "firmware");
4368
4369 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4370 if (opts) {
4371 boot_order = qemu_opt_get(opts, "order");
4372 if (boot_order) {
4373 validate_bootdevices(boot_order, &error_fatal);
4374 }
4375
4376 boot_once = qemu_opt_get(opts, "once");
4377 if (boot_once) {
4378 validate_bootdevices(boot_once, &error_fatal);
4379 }
4380
4381 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4382 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4383 }
4384
4385 if (!boot_order) {
4386 boot_order = machine_class->default_boot_order;
4387 }
4388
4389 if (!kernel_cmdline) {
4390 kernel_cmdline = "";
4391 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4392 }
4393
4394 linux_boot = (kernel_filename != NULL);
4395
4396 if (!linux_boot && *kernel_cmdline != '\0') {
4397 error_report("-append only allowed with -kernel option");
4398 exit(1);
4399 }
4400
4401 if (!linux_boot && initrd_filename != NULL) {
4402 error_report("-initrd only allowed with -kernel option");
4403 exit(1);
4404 }
4405
4406 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4407 /* fall back to the -kernel/-append */
4408 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4409 }
4410
4411 os_set_line_buffering();
4412
4413 /* spice needs the timers to be initialized by this point */
4414 qemu_spice_init();
4415
4416 cpu_ticks_init();
4417 if (icount_opts) {
4418 if (!tcg_enabled()) {
4419 error_report("-icount is not allowed with hardware virtualization");
4420 exit(1);
4421 }
4422 configure_icount(icount_opts, &error_abort);
4423 qemu_opts_del(icount_opts);
4424 }
4425
4426 qemu_tcg_configure(accel_opts, &error_fatal);
4427
4428 if (default_net) {
4429 QemuOptsList *net = qemu_find_opts("net");
4430 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4431 #ifdef CONFIG_SLIRP
4432 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4433 #endif
4434 }
4435
4436 colo_info_init();
4437
4438 if (net_init_clients() < 0) {
4439 exit(1);
4440 }
4441
4442 if (qemu_opts_foreach(qemu_find_opts("object"),
4443 user_creatable_add_opts_foreach,
4444 object_create_delayed, NULL)) {
4445 exit(1);
4446 }
4447
4448 #ifdef CONFIG_TPM
4449 if (tpm_init() < 0) {
4450 exit(1);
4451 }
4452 #endif
4453
4454 /* init the bluetooth world */
4455 if (foreach_device_config(DEV_BT, bt_parse))
4456 exit(1);
4457
4458 if (!xen_enabled()) {
4459 /* On 32-bit hosts, QEMU is limited by virtual address space */
4460 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4461 error_report("at most 2047 MB RAM can be simulated");
4462 exit(1);
4463 }
4464 }
4465
4466 blk_mig_init();
4467 ram_mig_init();
4468
4469 /* If the currently selected machine wishes to override the units-per-bus
4470 * property of its default HBA interface type, do so now. */
4471 if (machine_class->units_per_default_bus) {
4472 override_max_devs(machine_class->block_default_type,
4473 machine_class->units_per_default_bus);
4474 }
4475
4476 /* open the virtual block devices */
4477 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4478 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4479
4480 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4481 loc_push_restore(&bdo->loc);
4482 qmp_blockdev_add(bdo->bdo, &error_fatal);
4483 loc_pop(&bdo->loc);
4484 qapi_free_BlockdevOptions(bdo->bdo);
4485 g_free(bdo);
4486 }
4487 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4488 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4489 NULL, NULL);
4490 }
4491 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4492 &machine_class->block_default_type, NULL)) {
4493 exit(1);
4494 }
4495
4496 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4497 CDROM_OPTS);
4498 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4499 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4500
4501 parse_numa_opts(machine_class);
4502
4503 if (qemu_opts_foreach(qemu_find_opts("mon"),
4504 mon_init_func, NULL, NULL)) {
4505 exit(1);
4506 }
4507
4508 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4509 exit(1);
4510 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4511 exit(1);
4512 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4513 exit(1);
4514 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4515 exit(1);
4516 }
4517 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4518 exit(1);
4519
4520 /* If no default VGA is requested, the default is "none". */
4521 if (default_vga) {
4522 if (machine_class->default_display) {
4523 vga_model = machine_class->default_display;
4524 } else if (vga_interface_available(VGA_CIRRUS)) {
4525 vga_model = "cirrus";
4526 } else if (vga_interface_available(VGA_STD)) {
4527 vga_model = "std";
4528 }
4529 }
4530 if (vga_model) {
4531 select_vgahw(vga_model);
4532 }
4533
4534 if (watchdog) {
4535 i = select_watchdog(watchdog);
4536 if (i > 0)
4537 exit (i == 1 ? 1 : 0);
4538 }
4539
4540 machine_register_compat_props(current_machine);
4541
4542 qemu_opts_foreach(qemu_find_opts("global"),
4543 global_init_func, NULL, NULL);
4544
4545 /* This checkpoint is required by replay to separate prior clock
4546 reading from the other reads, because timer polling functions query
4547 clock values from the log. */
4548 replay_checkpoint(CHECKPOINT_INIT);
4549 qdev_machine_init();
4550
4551 current_machine->ram_size = ram_size;
4552 current_machine->maxram_size = maxram_size;
4553 current_machine->ram_slots = ram_slots;
4554 current_machine->boot_order = boot_order;
4555 current_machine->cpu_model = cpu_model;
4556
4557 machine_class->init(current_machine);
4558
4559 realtime_init();
4560
4561 audio_init();
4562
4563 if (hax_enabled()) {
4564 hax_sync_vcpus();
4565 }
4566
4567 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4568 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4569 exit(1);
4570 }
4571
4572 /* init USB devices */
4573 if (machine_usb(current_machine)) {
4574 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4575 exit(1);
4576 }
4577
4578 /* Check if IGD GFX passthrough. */
4579 igd_gfx_passthru();
4580
4581 /* init generic devices */
4582 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4583 if (qemu_opts_foreach(qemu_find_opts("device"),
4584 device_init_func, NULL, NULL)) {
4585 exit(1);
4586 }
4587
4588 cpu_synchronize_all_post_init();
4589
4590 numa_post_machine_init();
4591
4592 rom_reset_order_override();
4593
4594 /*
4595 * Create frontends for -drive if=scsi leftovers.
4596 * Normally, frontends for -drive get created by machine
4597 * initialization for onboard SCSI HBAs. However, we create a few
4598 * more ever since SCSI qdevification, but this is pretty much an
4599 * implementation accident, and deprecated.
4600 */
4601 scsi_legacy_handle_cmdline();
4602
4603 /* Did we create any drives that we failed to create a device for? */
4604 drive_check_orphaned();
4605
4606 /* Don't warn about the default network setup that you get if
4607 * no command line -net or -netdev options are specified. There
4608 * are two cases that we would otherwise complain about:
4609 * (1) board doesn't support a NIC but the implicit "-net nic"
4610 * requested one
4611 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4612 * sets up a nic that isn't connected to anything.
4613 */
4614 if (!default_net) {
4615 net_check_clients();
4616 }
4617
4618
4619 if (boot_once) {
4620 qemu_boot_set(boot_once, &error_fatal);
4621 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4622 }
4623
4624 ds = init_displaystate();
4625
4626 /* init local displays */
4627 switch (display_type) {
4628 case DT_CURSES:
4629 curses_display_init(ds, full_screen);
4630 break;
4631 case DT_SDL:
4632 sdl_display_init(ds, full_screen, no_frame);
4633 break;
4634 case DT_COCOA:
4635 cocoa_display_init(ds, full_screen);
4636 break;
4637 case DT_GTK:
4638 gtk_display_init(ds, full_screen, grab_on_hover);
4639 break;
4640 default:
4641 break;
4642 }
4643
4644 /* must be after terminal init, SDL library changes signal handlers */
4645 os_setup_signal_handling();
4646
4647 /* init remote displays */
4648 #ifdef CONFIG_VNC
4649 qemu_opts_foreach(qemu_find_opts("vnc"),
4650 vnc_init_func, NULL, NULL);
4651 #endif
4652
4653 if (using_spice) {
4654 qemu_spice_display_init();
4655 }
4656
4657 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4658 exit(1);
4659 }
4660
4661 qdev_machine_creation_done();
4662
4663 /* TODO: once all bus devices are qdevified, this should be done
4664 * when bus is created by qdev.c */
4665 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4666 qemu_run_machine_init_done_notifiers();
4667
4668 if (rom_check_and_register_reset() != 0) {
4669 error_report("rom check and register reset failed");
4670 exit(1);
4671 }
4672
4673 replay_start();
4674
4675 /* This checkpoint is required by replay to separate prior clock
4676 reading from the other reads, because timer polling functions query
4677 clock values from the log. */
4678 replay_checkpoint(CHECKPOINT_RESET);
4679 qemu_system_reset(VMRESET_SILENT);
4680 register_global_state();
4681 if (replay_mode != REPLAY_MODE_NONE) {
4682 replay_vmstate_init();
4683 } else if (loadvm) {
4684 if (load_vmstate(loadvm) < 0) {
4685 autostart = 0;
4686 }
4687 }
4688
4689 qdev_prop_check_globals();
4690 if (vmstate_dump_file) {
4691 /* dump and exit */
4692 dump_vmstate_json_to_file(vmstate_dump_file);
4693 return 0;
4694 }
4695
4696 if (incoming) {
4697 Error *local_err = NULL;
4698 qemu_start_incoming_migration(incoming, &local_err);
4699 if (local_err) {
4700 error_reportf_err(local_err, "-incoming %s: ", incoming);
4701 exit(1);
4702 }
4703 } else if (autostart) {
4704 vm_start();
4705 }
4706
4707 os_setup_post();
4708
4709 main_loop();
4710 replay_disable_events();
4711 iothread_stop_all();
4712
4713 bdrv_close_all();
4714 pause_all_vcpus();
4715 res_free();
4716
4717 /* vhost-user must be cleaned up before chardevs. */
4718 net_cleanup();
4719 audio_cleanup();
4720 monitor_cleanup();
4721 qemu_chr_cleanup();
4722
4723 return 0;
4724 }
QEmu