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Update help text for supported accelerators
[qemu/ar7.git] / vl.c
blob59737bc82fb228793321fafb9e5f320a9649c6b5
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #define SDL_MAIN_HANDLED
37 #include <SDL.h>
38 #if SDL_MAJOR_VERSION == 1
39 int qemu_main(int argc, char **argv);
40 int main(int argc, char **argv)
41 {
42 return qemu_main(argc, argv);
43 }
44 #undef main
45 #define main qemu_main
46 #elif SDL_MAJOR_VERSION == 2
47 #undef main
48 #else
49 #error undefined SDL version
50 #endif
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59
60 #include "qemu/error-report.h"
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/isa/isa.h"
67 #include "hw/scsi/scsi.h"
68 #include "hw/display/vga.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/firmware/smbios.h"
72 #include "hw/acpi/acpi.h"
73 #include "hw/xen/xen.h"
74 #include "hw/qdev.h"
75 #include "hw/loader.h"
76 #include "monitor/qdev.h"
77 #include "sysemu/bt.h"
78 #include "net/net.h"
79 #include "net/slirp.h"
80 #include "monitor/monitor.h"
81 #include "ui/console.h"
82 #include "ui/input.h"
83 #include "sysemu/sysemu.h"
84 #include "sysemu/numa.h"
85 #include "exec/gdbstub.h"
86 #include "qemu/timer.h"
87 #include "chardev/char.h"
88 #include "qemu/bitmap.h"
89 #include "qemu/log.h"
90 #include "sysemu/blockdev.h"
91 #include "hw/block/block.h"
92 #include "migration/misc.h"
93 #include "migration/snapshot.h"
94 #include "migration/global_state.h"
95 #include "sysemu/tpm.h"
96 #include "sysemu/dma.h"
97 #include "hw/audio/soundhw.h"
98 #include "audio/audio.h"
99 #include "sysemu/cpus.h"
100 #include "migration/colo.h"
101 #include "migration/postcopy-ram.h"
102 #include "sysemu/kvm.h"
103 #include "sysemu/hax.h"
104 #include "qapi/qobject-input-visitor.h"
105 #include "qemu/option.h"
106 #include "qemu/config-file.h"
107 #include "qemu-options.h"
108 #include "qemu/main-loop.h"
109 #ifdef CONFIG_VIRTFS
110 #include "fsdev/qemu-fsdev.h"
111 #endif
112 #include "sysemu/qtest.h"
113
114 #include "disas/disas.h"
115
116
117 #include "slirp/libslirp.h"
118
119 #include "trace-root.h"
120 #include "trace/control.h"
121 #include "qemu/queue.h"
122 #include "sysemu/arch_init.h"
123
124 #include "ui/qemu-spice.h"
125 #include "qapi/string-input-visitor.h"
126 #include "qapi/opts-visitor.h"
127 #include "qapi/clone-visitor.h"
128 #include "qom/object_interfaces.h"
129 #include "exec/semihost.h"
130 #include "crypto/init.h"
131 #include "sysemu/replay.h"
132 #include "qapi/qapi-events-run-state.h"
133 #include "qapi/qapi-visit-block-core.h"
134 #include "qapi/qapi-visit-ui.h"
135 #include "qapi/qapi-commands-block-core.h"
136 #include "qapi/qapi-commands-misc.h"
137 #include "qapi/qapi-commands-run-state.h"
138 #include "qapi/qapi-commands-ui.h"
139 #include "qapi/qmp/qerror.h"
140 #include "sysemu/iothread.h"
141
142 #define MAX_VIRTIO_CONSOLES 1
143
144 static const char *data_dir[16];
145 static int data_dir_idx;
146 const char *bios_name = NULL;
147 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
148 int display_opengl;
149 const char* keyboard_layout = NULL;
150 ram_addr_t ram_size;
151 const char *mem_path = NULL;
152 int mem_prealloc = 0; /* force preallocation of physical target memory */
153 bool enable_mlock = false;
154 bool enable_cpu_pm = false;
155 int nb_nics;
156 NICInfo nd_table[MAX_NICS];
157 int autostart;
158 static enum {
159 RTC_BASE_UTC,
160 RTC_BASE_LOCALTIME,
161 RTC_BASE_DATETIME,
162 } rtc_base_type = RTC_BASE_UTC;
163 static time_t rtc_ref_start_datetime;
164 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
165 static int rtc_host_datetime_offset = -1; /* valid & used only with
166 RTC_BASE_DATETIME */
167 QEMUClockType rtc_clock;
168 int vga_interface_type = VGA_NONE;
169 static DisplayOptions dpy;
170 static int num_serial_hds;
171 static Chardev **serial_hds;
172 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
173 int win2k_install_hack = 0;
174 int singlestep = 0;
175 int smp_cpus;
176 unsigned int max_cpus;
177 int smp_cores = 1;
178 int smp_threads = 1;
179 int acpi_enabled = 1;
180 int no_hpet = 0;
181 int fd_bootchk = 1;
182 static int no_reboot;
183 int no_shutdown = 0;
184 int cursor_hide = 1;
185 int graphic_rotate = 0;
186 const char *watchdog;
187 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
188 int nb_option_roms;
189 int old_param = 0;
190 const char *qemu_name;
191 int alt_grab = 0;
192 int ctrl_grab = 0;
193 unsigned int nb_prom_envs = 0;
194 const char *prom_envs[MAX_PROM_ENVS];
195 int boot_menu;
196 bool boot_strict;
197 uint8_t *boot_splash_filedata;
198 size_t boot_splash_filedata_size;
199 bool wakeup_suspend_enabled;
200
201 int icount_align_option;
202
203 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
204 * little-endian "wire format" described in the SMBIOS 2.6 specification.
205 */
206 QemuUUID qemu_uuid;
207 bool qemu_uuid_set;
208
209 /* Trace unassigned memory or i/o accesses. */
210 bool trace_unassigned;
211
212 static NotifierList exit_notifiers =
213 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
214
215 static NotifierList machine_init_done_notifiers =
216 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
217
218 bool xen_allowed;
219 uint32_t xen_domid;
220 enum xen_mode xen_mode = XEN_EMULATE;
221 bool xen_domid_restrict;
222
223 static int has_defaults = 1;
224 static int default_serial = 1;
225 static int default_parallel = 1;
226 static int default_monitor = 1;
227 static int default_floppy = 1;
228 static int default_cdrom = 1;
229 static int default_sdcard = 1;
230 static int default_vga = 1;
231 static int default_net = 1;
232
233 static struct {
234 const char *driver;
235 int *flag;
236 } default_list[] = {
237 { .driver = "isa-serial", .flag = &default_serial },
238 { .driver = "isa-parallel", .flag = &default_parallel },
239 { .driver = "isa-fdc", .flag = &default_floppy },
240 { .driver = "floppy", .flag = &default_floppy },
241 { .driver = "ide-cd", .flag = &default_cdrom },
242 { .driver = "ide-hd", .flag = &default_cdrom },
243 { .driver = "ide-drive", .flag = &default_cdrom },
244 { .driver = "scsi-cd", .flag = &default_cdrom },
245 { .driver = "scsi-hd", .flag = &default_cdrom },
246 { .driver = "VGA", .flag = &default_vga },
247 { .driver = "isa-vga", .flag = &default_vga },
248 { .driver = "cirrus-vga", .flag = &default_vga },
249 { .driver = "isa-cirrus-vga", .flag = &default_vga },
250 { .driver = "vmware-svga", .flag = &default_vga },
251 { .driver = "qxl-vga", .flag = &default_vga },
252 { .driver = "virtio-vga", .flag = &default_vga },
253 };
254
255 static QemuOptsList qemu_rtc_opts = {
256 .name = "rtc",
257 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
258 .merge_lists = true,
259 .desc = {
260 {
261 .name = "base",
262 .type = QEMU_OPT_STRING,
263 },{
264 .name = "clock",
265 .type = QEMU_OPT_STRING,
266 },{
267 .name = "driftfix",
268 .type = QEMU_OPT_STRING,
269 },
270 { /* end of list */ }
271 },
272 };
273
274 static QemuOptsList qemu_option_rom_opts = {
275 .name = "option-rom",
276 .implied_opt_name = "romfile",
277 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
278 .desc = {
279 {
280 .name = "bootindex",
281 .type = QEMU_OPT_NUMBER,
282 }, {
283 .name = "romfile",
284 .type = QEMU_OPT_STRING,
285 },
286 { /* end of list */ }
287 },
288 };
289
290 static QemuOptsList qemu_machine_opts = {
291 .name = "machine",
292 .implied_opt_name = "type",
293 .merge_lists = true,
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
295 .desc = {
296 /*
297 * no elements => accept any
298 * sanity checking will happen later
299 * when setting machine properties
300 */
301 { }
302 },
303 };
304
305 static QemuOptsList qemu_accel_opts = {
306 .name = "accel",
307 .implied_opt_name = "accel",
308 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
309 .merge_lists = true,
310 .desc = {
311 {
312 .name = "accel",
313 .type = QEMU_OPT_STRING,
314 .help = "Select the type of accelerator",
315 },
316 {
317 .name = "thread",
318 .type = QEMU_OPT_STRING,
319 .help = "Enable/disable multi-threaded TCG",
320 },
321 { /* end of list */ }
322 },
323 };
324
325 static QemuOptsList qemu_boot_opts = {
326 .name = "boot-opts",
327 .implied_opt_name = "order",
328 .merge_lists = true,
329 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
330 .desc = {
331 {
332 .name = "order",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "once",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "menu",
339 .type = QEMU_OPT_BOOL,
340 }, {
341 .name = "splash",
342 .type = QEMU_OPT_STRING,
343 }, {
344 .name = "splash-time",
345 .type = QEMU_OPT_NUMBER,
346 }, {
347 .name = "reboot-timeout",
348 .type = QEMU_OPT_NUMBER,
349 }, {
350 .name = "strict",
351 .type = QEMU_OPT_BOOL,
352 },
353 { /*End of list */ }
354 },
355 };
356
357 static QemuOptsList qemu_add_fd_opts = {
358 .name = "add-fd",
359 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
360 .desc = {
361 {
362 .name = "fd",
363 .type = QEMU_OPT_NUMBER,
364 .help = "file descriptor of which a duplicate is added to fd set",
365 },{
366 .name = "set",
367 .type = QEMU_OPT_NUMBER,
368 .help = "ID of the fd set to add fd to",
369 },{
370 .name = "opaque",
371 .type = QEMU_OPT_STRING,
372 .help = "free-form string used to describe fd",
373 },
374 { /* end of list */ }
375 },
376 };
377
378 static QemuOptsList qemu_object_opts = {
379 .name = "object",
380 .implied_opt_name = "qom-type",
381 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
382 .desc = {
383 { }
384 },
385 };
386
387 static QemuOptsList qemu_tpmdev_opts = {
388 .name = "tpmdev",
389 .implied_opt_name = "type",
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
391 .desc = {
392 /* options are defined in the TPM backends */
393 { /* end of list */ }
394 },
395 };
396
397 static QemuOptsList qemu_realtime_opts = {
398 .name = "realtime",
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
400 .desc = {
401 {
402 .name = "mlock",
403 .type = QEMU_OPT_BOOL,
404 },
405 { /* end of list */ }
406 },
407 };
408
409 static QemuOptsList qemu_overcommit_opts = {
410 .name = "overcommit",
411 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
412 .desc = {
413 {
414 .name = "mem-lock",
415 .type = QEMU_OPT_BOOL,
416 },
417 {
418 .name = "cpu-pm",
419 .type = QEMU_OPT_BOOL,
420 },
421 { /* end of list */ }
422 },
423 };
424
425 static QemuOptsList qemu_msg_opts = {
426 .name = "msg",
427 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
428 .desc = {
429 {
430 .name = "timestamp",
431 .type = QEMU_OPT_BOOL,
432 },
433 { /* end of list */ }
434 },
435 };
436
437 static QemuOptsList qemu_name_opts = {
438 .name = "name",
439 .implied_opt_name = "guest",
440 .merge_lists = true,
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
442 .desc = {
443 {
444 .name = "guest",
445 .type = QEMU_OPT_STRING,
446 .help = "Sets the name of the guest.\n"
447 "This name will be displayed in the SDL window caption.\n"
448 "The name will also be used for the VNC server",
449 }, {
450 .name = "process",
451 .type = QEMU_OPT_STRING,
452 .help = "Sets the name of the QEMU process, as shown in top etc",
453 }, {
454 .name = "debug-threads",
455 .type = QEMU_OPT_BOOL,
456 .help = "When enabled, name the individual threads; defaults off.\n"
457 "NOTE: The thread names are for debugging and not a\n"
458 "stable API.",
459 },
460 { /* End of list */ }
461 },
462 };
463
464 static QemuOptsList qemu_mem_opts = {
465 .name = "memory",
466 .implied_opt_name = "size",
467 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
468 .merge_lists = true,
469 .desc = {
470 {
471 .name = "size",
472 .type = QEMU_OPT_SIZE,
473 },
474 {
475 .name = "slots",
476 .type = QEMU_OPT_NUMBER,
477 },
478 {
479 .name = "maxmem",
480 .type = QEMU_OPT_SIZE,
481 },
482 { /* end of list */ }
483 },
484 };
485
486 static QemuOptsList qemu_icount_opts = {
487 .name = "icount",
488 .implied_opt_name = "shift",
489 .merge_lists = true,
490 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
491 .desc = {
492 {
493 .name = "shift",
494 .type = QEMU_OPT_STRING,
495 }, {
496 .name = "align",
497 .type = QEMU_OPT_BOOL,
498 }, {
499 .name = "sleep",
500 .type = QEMU_OPT_BOOL,
501 }, {
502 .name = "rr",
503 .type = QEMU_OPT_STRING,
504 }, {
505 .name = "rrfile",
506 .type = QEMU_OPT_STRING,
507 }, {
508 .name = "rrsnapshot",
509 .type = QEMU_OPT_STRING,
510 },
511 { /* end of list */ }
512 },
513 };
514
515 static QemuOptsList qemu_semihosting_config_opts = {
516 .name = "semihosting-config",
517 .implied_opt_name = "enable",
518 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
519 .desc = {
520 {
521 .name = "enable",
522 .type = QEMU_OPT_BOOL,
523 }, {
524 .name = "target",
525 .type = QEMU_OPT_STRING,
526 }, {
527 .name = "arg",
528 .type = QEMU_OPT_STRING,
529 },
530 { /* end of list */ }
531 },
532 };
533
534 static QemuOptsList qemu_fw_cfg_opts = {
535 .name = "fw_cfg",
536 .implied_opt_name = "name",
537 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
538 .desc = {
539 {
540 .name = "name",
541 .type = QEMU_OPT_STRING,
542 .help = "Sets the fw_cfg name of the blob to be inserted",
543 }, {
544 .name = "file",
545 .type = QEMU_OPT_STRING,
546 .help = "Sets the name of the file from which "
547 "the fw_cfg blob will be loaded",
548 }, {
549 .name = "string",
550 .type = QEMU_OPT_STRING,
551 .help = "Sets content of the blob to be inserted from a string",
552 },
553 { /* end of list */ }
554 },
555 };
556
557 /**
558 * Get machine options
559 *
560 * Returns: machine options (never null).
561 */
562 QemuOpts *qemu_get_machine_opts(void)
563 {
564 return qemu_find_opts_singleton("machine");
565 }
566
567 const char *qemu_get_vm_name(void)
568 {
569 return qemu_name;
570 }
571
572 static void res_free(void)
573 {
574 g_free(boot_splash_filedata);
575 boot_splash_filedata = NULL;
576 }
577
578 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
579 {
580 const char *driver = qemu_opt_get(opts, "driver");
581 int i;
582
583 if (!driver)
584 return 0;
585 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
586 if (strcmp(default_list[i].driver, driver) != 0)
587 continue;
588 *(default_list[i].flag) = 0;
589 }
590 return 0;
591 }
592
593 /***********************************************************/
594 /* QEMU state */
595
596 static RunState current_run_state = RUN_STATE_PRECONFIG;
597
598 /* We use RUN_STATE__MAX but any invalid value will do */
599 static RunState vmstop_requested = RUN_STATE__MAX;
600 static QemuMutex vmstop_lock;
601
602 typedef struct {
603 RunState from;
604 RunState to;
605 } RunStateTransition;
606
607 static const RunStateTransition runstate_transitions_def[] = {
608 /* from -> to */
609 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
610 /* Early switch to inmigrate state to allow -incoming CLI option work
611 * as it used to. TODO: delay actual switching to inmigrate state to
612 * the point after machine is built and remove this hack.
613 */
614 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
615
616 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
617 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
618 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
619
620 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
621 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
622 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
623 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
624 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
625 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
626 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
627 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
628 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
630 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
631 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
632
633 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
634 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
636
637 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
638 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
640
641 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
642 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
644 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
645 { RUN_STATE_PAUSED, RUN_STATE_COLO},
646
647 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
648 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
650
651 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
652 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
653 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
654
655 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
656 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
657 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
658 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
659 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
660
661 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
662 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
663
664 { RUN_STATE_COLO, RUN_STATE_RUNNING },
665
666 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
667 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
668 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
669 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
670 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
671 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
672 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
673 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
674 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
675 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
676 { RUN_STATE_RUNNING, RUN_STATE_COLO},
677
678 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
679
680 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
681 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
683
684 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
685 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
686 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
687 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
688 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
689 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
690
691 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
692 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
693 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
694 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
695
696 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
697 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
698 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
699
700 { RUN_STATE__MAX, RUN_STATE__MAX },
701 };
702
703 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
704
705 bool runstate_check(RunState state)
706 {
707 return current_run_state == state;
708 }
709
710 bool runstate_store(char *str, size_t size)
711 {
712 const char *state = RunState_str(current_run_state);
713 size_t len = strlen(state) + 1;
714
715 if (len > size) {
716 return false;
717 }
718 memcpy(str, state, len);
719 return true;
720 }
721
722 static void runstate_init(void)
723 {
724 const RunStateTransition *p;
725
726 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
727 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
728 runstate_valid_transitions[p->from][p->to] = true;
729 }
730
731 qemu_mutex_init(&vmstop_lock);
732 }
733
734 /* This function will abort() on invalid state transitions */
735 void runstate_set(RunState new_state)
736 {
737 assert(new_state < RUN_STATE__MAX);
738
739 trace_runstate_set(current_run_state, RunState_str(current_run_state),
740 new_state, RunState_str(current_run_state));
741
742 if (current_run_state == new_state) {
743 return;
744 }
745
746 if (!runstate_valid_transitions[current_run_state][new_state]) {
747 error_report("invalid runstate transition: '%s' -> '%s'",
748 RunState_str(current_run_state),
749 RunState_str(new_state));
750 abort();
751 }
752
753 current_run_state = new_state;
754 }
755
756 int runstate_is_running(void)
757 {
758 return runstate_check(RUN_STATE_RUNNING);
759 }
760
761 bool runstate_needs_reset(void)
762 {
763 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
764 runstate_check(RUN_STATE_SHUTDOWN);
765 }
766
767 StatusInfo *qmp_query_status(Error **errp)
768 {
769 StatusInfo *info = g_malloc0(sizeof(*info));
770
771 info->running = runstate_is_running();
772 info->singlestep = singlestep;
773 info->status = current_run_state;
774
775 return info;
776 }
777
778 bool qemu_vmstop_requested(RunState *r)
779 {
780 qemu_mutex_lock(&vmstop_lock);
781 *r = vmstop_requested;
782 vmstop_requested = RUN_STATE__MAX;
783 qemu_mutex_unlock(&vmstop_lock);
784 return *r < RUN_STATE__MAX;
785 }
786
787 void qemu_system_vmstop_request_prepare(void)
788 {
789 qemu_mutex_lock(&vmstop_lock);
790 }
791
792 void qemu_system_vmstop_request(RunState state)
793 {
794 vmstop_requested = state;
795 qemu_mutex_unlock(&vmstop_lock);
796 qemu_notify_event();
797 }
798
799 /***********************************************************/
800 /* RTC reference time/date access */
801 static time_t qemu_ref_timedate(QEMUClockType clock)
802 {
803 time_t value = qemu_clock_get_ms(clock) / 1000;
804 switch (clock) {
805 case QEMU_CLOCK_REALTIME:
806 value -= rtc_realtime_clock_offset;
807 /* no break */
808 case QEMU_CLOCK_VIRTUAL:
809 value += rtc_ref_start_datetime;
810 break;
811 case QEMU_CLOCK_HOST:
812 if (rtc_base_type == RTC_BASE_DATETIME) {
813 value -= rtc_host_datetime_offset;
814 }
815 break;
816 default:
817 assert(0);
818 }
819 return value;
820 }
821
822 void qemu_get_timedate(struct tm *tm, int offset)
823 {
824 time_t ti = qemu_ref_timedate(rtc_clock);
825
826 ti += offset;
827
828 switch (rtc_base_type) {
829 case RTC_BASE_DATETIME:
830 case RTC_BASE_UTC:
831 gmtime_r(&ti, tm);
832 break;
833 case RTC_BASE_LOCALTIME:
834 localtime_r(&ti, tm);
835 break;
836 }
837 }
838
839 int qemu_timedate_diff(struct tm *tm)
840 {
841 time_t seconds;
842
843 switch (rtc_base_type) {
844 case RTC_BASE_DATETIME:
845 case RTC_BASE_UTC:
846 seconds = mktimegm(tm);
847 break;
848 case RTC_BASE_LOCALTIME:
849 {
850 struct tm tmp = *tm;
851 tmp.tm_isdst = -1; /* use timezone to figure it out */
852 seconds = mktime(&tmp);
853 break;
854 }
855 default:
856 abort();
857 }
858
859 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
860 }
861
862 static void configure_rtc_base_datetime(const char *startdate)
863 {
864 time_t rtc_start_datetime;
865 struct tm tm;
866
867 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
868 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
869 /* OK */
870 } else if (sscanf(startdate, "%d-%d-%d",
871 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
872 tm.tm_hour = 0;
873 tm.tm_min = 0;
874 tm.tm_sec = 0;
875 } else {
876 goto date_fail;
877 }
878 tm.tm_year -= 1900;
879 tm.tm_mon--;
880 rtc_start_datetime = mktimegm(&tm);
881 if (rtc_start_datetime == -1) {
882 date_fail:
883 error_report("invalid datetime format");
884 error_printf("valid formats: "
885 "'2006-06-17T16:01:21' or '2006-06-17'\n");
886 exit(1);
887 }
888 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
889 rtc_ref_start_datetime = rtc_start_datetime;
890 }
891
892 static void configure_rtc(QemuOpts *opts)
893 {
894 const char *value;
895
896 /* Set defaults */
897 rtc_clock = QEMU_CLOCK_HOST;
898 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
899 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
900
901 value = qemu_opt_get(opts, "base");
902 if (value) {
903 if (!strcmp(value, "utc")) {
904 rtc_base_type = RTC_BASE_UTC;
905 } else if (!strcmp(value, "localtime")) {
906 Error *blocker = NULL;
907 rtc_base_type = RTC_BASE_LOCALTIME;
908 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
909 "-rtc base=localtime");
910 replay_add_blocker(blocker);
911 } else {
912 rtc_base_type = RTC_BASE_DATETIME;
913 configure_rtc_base_datetime(value);
914 }
915 }
916 value = qemu_opt_get(opts, "clock");
917 if (value) {
918 if (!strcmp(value, "host")) {
919 rtc_clock = QEMU_CLOCK_HOST;
920 } else if (!strcmp(value, "rt")) {
921 rtc_clock = QEMU_CLOCK_REALTIME;
922 } else if (!strcmp(value, "vm")) {
923 rtc_clock = QEMU_CLOCK_VIRTUAL;
924 } else {
925 error_report("invalid option value '%s'", value);
926 exit(1);
927 }
928 }
929 value = qemu_opt_get(opts, "driftfix");
930 if (value) {
931 if (!strcmp(value, "slew")) {
932 static GlobalProperty slew_lost_ticks = {
933 .driver = "mc146818rtc",
934 .property = "lost_tick_policy",
935 .value = "slew",
936 };
937
938 qdev_prop_register_global(&slew_lost_ticks);
939 } else if (!strcmp(value, "none")) {
940 /* discard is default */
941 } else {
942 error_report("invalid option value '%s'", value);
943 exit(1);
944 }
945 }
946 }
947
948 /***********************************************************/
949 /* Bluetooth support */
950 static int nb_hcis;
951 static int cur_hci;
952 static struct HCIInfo *hci_table[MAX_NICS];
953
954 struct HCIInfo *qemu_next_hci(void)
955 {
956 if (cur_hci == nb_hcis)
957 return &null_hci;
958
959 return hci_table[cur_hci++];
960 }
961
962 static int bt_hci_parse(const char *str)
963 {
964 struct HCIInfo *hci;
965 bdaddr_t bdaddr;
966
967 if (nb_hcis >= MAX_NICS) {
968 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
969 return -1;
970 }
971
972 hci = hci_init(str);
973 if (!hci)
974 return -1;
975
976 bdaddr.b[0] = 0x52;
977 bdaddr.b[1] = 0x54;
978 bdaddr.b[2] = 0x00;
979 bdaddr.b[3] = 0x12;
980 bdaddr.b[4] = 0x34;
981 bdaddr.b[5] = 0x56 + nb_hcis;
982 hci->bdaddr_set(hci, bdaddr.b);
983
984 hci_table[nb_hcis++] = hci;
985
986 return 0;
987 }
988
989 static void bt_vhci_add(int vlan_id)
990 {
991 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
992
993 if (!vlan->slave)
994 warn_report("adding a VHCI to an empty scatternet %i",
995 vlan_id);
996
997 bt_vhci_init(bt_new_hci(vlan));
998 }
999
1000 static struct bt_device_s *bt_device_add(const char *opt)
1001 {
1002 struct bt_scatternet_s *vlan;
1003 int vlan_id = 0;
1004 char *endp = strstr(opt, ",vlan=");
1005 int len = (endp ? endp - opt : strlen(opt)) + 1;
1006 char devname[10];
1007
1008 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1009
1010 if (endp) {
1011 vlan_id = strtol(endp + 6, &endp, 0);
1012 if (*endp) {
1013 error_report("unrecognised bluetooth vlan Id");
1014 return 0;
1015 }
1016 }
1017
1018 vlan = qemu_find_bt_vlan(vlan_id);
1019
1020 if (!vlan->slave)
1021 warn_report("adding a slave device to an empty scatternet %i",
1022 vlan_id);
1023
1024 if (!strcmp(devname, "keyboard"))
1025 return bt_keyboard_init(vlan);
1026
1027 error_report("unsupported bluetooth device '%s'", devname);
1028 return 0;
1029 }
1030
1031 static int bt_parse(const char *opt)
1032 {
1033 const char *endp, *p;
1034 int vlan;
1035
1036 if (strstart(opt, "hci", &endp)) {
1037 if (!*endp || *endp == ',') {
1038 if (*endp)
1039 if (!strstart(endp, ",vlan=", 0))
1040 opt = endp + 1;
1041
1042 return bt_hci_parse(opt);
1043 }
1044 } else if (strstart(opt, "vhci", &endp)) {
1045 if (!*endp || *endp == ',') {
1046 if (*endp) {
1047 if (strstart(endp, ",vlan=", &p)) {
1048 vlan = strtol(p, (char **) &endp, 0);
1049 if (*endp) {
1050 error_report("bad scatternet '%s'", p);
1051 return 1;
1052 }
1053 } else {
1054 error_report("bad parameter '%s'", endp + 1);
1055 return 1;
1056 }
1057 } else
1058 vlan = 0;
1059
1060 bt_vhci_add(vlan);
1061 return 0;
1062 }
1063 } else if (strstart(opt, "device:", &endp))
1064 return !bt_device_add(endp);
1065
1066 error_report("bad bluetooth parameter '%s'", opt);
1067 return 1;
1068 }
1069
1070 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1071 {
1072 const char *proc_name;
1073
1074 if (qemu_opt_get(opts, "debug-threads")) {
1075 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1076 }
1077 qemu_name = qemu_opt_get(opts, "guest");
1078
1079 proc_name = qemu_opt_get(opts, "process");
1080 if (proc_name) {
1081 os_set_proc_name(proc_name);
1082 }
1083
1084 return 0;
1085 }
1086
1087 bool defaults_enabled(void)
1088 {
1089 return has_defaults;
1090 }
1091
1092 #ifndef _WIN32
1093 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1094 {
1095 int fd, dupfd, flags;
1096 int64_t fdset_id;
1097 const char *fd_opaque = NULL;
1098 AddfdInfo *fdinfo;
1099
1100 fd = qemu_opt_get_number(opts, "fd", -1);
1101 fdset_id = qemu_opt_get_number(opts, "set", -1);
1102 fd_opaque = qemu_opt_get(opts, "opaque");
1103
1104 if (fd < 0) {
1105 error_setg(errp, "fd option is required and must be non-negative");
1106 return -1;
1107 }
1108
1109 if (fd <= STDERR_FILENO) {
1110 error_setg(errp, "fd cannot be a standard I/O stream");
1111 return -1;
1112 }
1113
1114 /*
1115 * All fds inherited across exec() necessarily have FD_CLOEXEC
1116 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1117 */
1118 flags = fcntl(fd, F_GETFD);
1119 if (flags == -1 || (flags & FD_CLOEXEC)) {
1120 error_setg(errp, "fd is not valid or already in use");
1121 return -1;
1122 }
1123
1124 if (fdset_id < 0) {
1125 error_setg(errp, "set option is required and must be non-negative");
1126 return -1;
1127 }
1128
1129 #ifdef F_DUPFD_CLOEXEC
1130 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1131 #else
1132 dupfd = dup(fd);
1133 if (dupfd != -1) {
1134 qemu_set_cloexec(dupfd);
1135 }
1136 #endif
1137 if (dupfd == -1) {
1138 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1139 return -1;
1140 }
1141
1142 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1143 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1144 &error_abort);
1145 g_free(fdinfo);
1146
1147 return 0;
1148 }
1149
1150 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1151 {
1152 int fd;
1153
1154 fd = qemu_opt_get_number(opts, "fd", -1);
1155 close(fd);
1156
1157 return 0;
1158 }
1159 #endif
1160
1161 /***********************************************************/
1162 /* QEMU Block devices */
1163
1164 #define HD_OPTS "media=disk"
1165 #define CDROM_OPTS "media=cdrom"
1166 #define FD_OPTS ""
1167 #define PFLASH_OPTS ""
1168 #define MTD_OPTS ""
1169 #define SD_OPTS ""
1170
1171 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1172 {
1173 BlockInterfaceType *block_default_type = opaque;
1174
1175 return drive_new(opts, *block_default_type, errp) == NULL;
1176 }
1177
1178 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1179 {
1180 if (qemu_opt_get(opts, "snapshot") == NULL) {
1181 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1182 }
1183 return 0;
1184 }
1185
1186 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1187 int index, const char *optstr)
1188 {
1189 QemuOpts *opts;
1190 DriveInfo *dinfo;
1191
1192 if (!enable || drive_get_by_index(type, index)) {
1193 return;
1194 }
1195
1196 opts = drive_add(type, index, NULL, optstr);
1197 if (snapshot) {
1198 drive_enable_snapshot(NULL, opts, NULL);
1199 }
1200
1201 dinfo = drive_new(opts, type, &error_abort);
1202 dinfo->is_default = true;
1203
1204 }
1205
1206 static QemuOptsList qemu_smp_opts = {
1207 .name = "smp-opts",
1208 .implied_opt_name = "cpus",
1209 .merge_lists = true,
1210 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1211 .desc = {
1212 {
1213 .name = "cpus",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "sockets",
1217 .type = QEMU_OPT_NUMBER,
1218 }, {
1219 .name = "cores",
1220 .type = QEMU_OPT_NUMBER,
1221 }, {
1222 .name = "threads",
1223 .type = QEMU_OPT_NUMBER,
1224 }, {
1225 .name = "maxcpus",
1226 .type = QEMU_OPT_NUMBER,
1227 },
1228 { /*End of list */ }
1229 },
1230 };
1231
1232 static void smp_parse(QemuOpts *opts)
1233 {
1234 if (opts) {
1235 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1236 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1237 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1238 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1239
1240 /* compute missing values, prefer sockets over cores over threads */
1241 if (cpus == 0 || sockets == 0) {
1242 cores = cores > 0 ? cores : 1;
1243 threads = threads > 0 ? threads : 1;
1244 if (cpus == 0) {
1245 sockets = sockets > 0 ? sockets : 1;
1246 cpus = cores * threads * sockets;
1247 } else {
1248 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1249 sockets = max_cpus / (cores * threads);
1250 }
1251 } else if (cores == 0) {
1252 threads = threads > 0 ? threads : 1;
1253 cores = cpus / (sockets * threads);
1254 cores = cores > 0 ? cores : 1;
1255 } else if (threads == 0) {
1256 threads = cpus / (cores * sockets);
1257 threads = threads > 0 ? threads : 1;
1258 } else if (sockets * cores * threads < cpus) {
1259 error_report("cpu topology: "
1260 "sockets (%u) * cores (%u) * threads (%u) < "
1261 "smp_cpus (%u)",
1262 sockets, cores, threads, cpus);
1263 exit(1);
1264 }
1265
1266 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1267
1268 if (max_cpus < cpus) {
1269 error_report("maxcpus must be equal to or greater than smp");
1270 exit(1);
1271 }
1272
1273 if (sockets * cores * threads > max_cpus) {
1274 error_report("cpu topology: "
1275 "sockets (%u) * cores (%u) * threads (%u) > "
1276 "maxcpus (%u)",
1277 sockets, cores, threads, max_cpus);
1278 exit(1);
1279 }
1280
1281 if (sockets * cores * threads != max_cpus) {
1282 warn_report("Invalid CPU topology deprecated: "
1283 "sockets (%u) * cores (%u) * threads (%u) "
1284 "!= maxcpus (%u)",
1285 sockets, cores, threads, max_cpus);
1286 }
1287
1288 smp_cpus = cpus;
1289 smp_cores = cores;
1290 smp_threads = threads;
1291 }
1292
1293 if (smp_cpus > 1) {
1294 Error *blocker = NULL;
1295 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1296 replay_add_blocker(blocker);
1297 }
1298 }
1299
1300 static void realtime_init(void)
1301 {
1302 if (enable_mlock) {
1303 if (os_mlock() < 0) {
1304 error_report("locking memory failed");
1305 exit(1);
1306 }
1307 }
1308 }
1309
1310
1311 static void configure_msg(QemuOpts *opts)
1312 {
1313 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1314 }
1315
1316 /***********************************************************/
1317 /* Semihosting */
1318
1319 typedef struct SemihostingConfig {
1320 bool enabled;
1321 SemihostingTarget target;
1322 const char **argv;
1323 int argc;
1324 const char *cmdline; /* concatenated argv */
1325 } SemihostingConfig;
1326
1327 static SemihostingConfig semihosting;
1328
1329 bool semihosting_enabled(void)
1330 {
1331 return semihosting.enabled;
1332 }
1333
1334 SemihostingTarget semihosting_get_target(void)
1335 {
1336 return semihosting.target;
1337 }
1338
1339 const char *semihosting_get_arg(int i)
1340 {
1341 if (i >= semihosting.argc) {
1342 return NULL;
1343 }
1344 return semihosting.argv[i];
1345 }
1346
1347 int semihosting_get_argc(void)
1348 {
1349 return semihosting.argc;
1350 }
1351
1352 const char *semihosting_get_cmdline(void)
1353 {
1354 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1355 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1356 }
1357 return semihosting.cmdline;
1358 }
1359
1360 static int add_semihosting_arg(void *opaque,
1361 const char *name, const char *val,
1362 Error **errp)
1363 {
1364 SemihostingConfig *s = opaque;
1365 if (strcmp(name, "arg") == 0) {
1366 s->argc++;
1367 /* one extra element as g_strjoinv() expects NULL-terminated array */
1368 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1369 s->argv[s->argc - 1] = val;
1370 s->argv[s->argc] = NULL;
1371 }
1372 return 0;
1373 }
1374
1375 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1376 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1377 {
1378 char *cmd_token;
1379
1380 /* argv[0] */
1381 add_semihosting_arg(&semihosting, "arg", file, NULL);
1382
1383 /* split -append and initialize argv[1..n] */
1384 cmd_token = strtok(g_strdup(cmd), " ");
1385 while (cmd_token) {
1386 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1387 cmd_token = strtok(NULL, " ");
1388 }
1389 }
1390
1391 /* Now we still need this for compatibility with XEN. */
1392 bool has_igd_gfx_passthru;
1393 static void igd_gfx_passthru(void)
1394 {
1395 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1396 }
1397
1398 /***********************************************************/
1399 /* USB devices */
1400
1401 static int usb_device_add(const char *devname)
1402 {
1403 USBDevice *dev = NULL;
1404
1405 if (!machine_usb(current_machine)) {
1406 return -1;
1407 }
1408
1409 dev = usbdevice_create(devname);
1410 if (!dev)
1411 return -1;
1412
1413 return 0;
1414 }
1415
1416 static int usb_parse(const char *cmdline)
1417 {
1418 int r;
1419 r = usb_device_add(cmdline);
1420 if (r < 0) {
1421 error_report("could not add USB device '%s'", cmdline);
1422 }
1423 return r;
1424 }
1425
1426 /***********************************************************/
1427 /* machine registration */
1428
1429 MachineState *current_machine;
1430
1431 static MachineClass *find_machine(const char *name)
1432 {
1433 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1434 MachineClass *mc = NULL;
1435
1436 for (el = machines; el; el = el->next) {
1437 MachineClass *temp = el->data;
1438
1439 if (!strcmp(temp->name, name)) {
1440 mc = temp;
1441 break;
1442 }
1443 if (temp->alias &&
1444 !strcmp(temp->alias, name)) {
1445 mc = temp;
1446 break;
1447 }
1448 }
1449
1450 g_slist_free(machines);
1451 return mc;
1452 }
1453
1454 MachineClass *find_default_machine(void)
1455 {
1456 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1457 MachineClass *mc = NULL;
1458
1459 for (el = machines; el; el = el->next) {
1460 MachineClass *temp = el->data;
1461
1462 if (temp->is_default) {
1463 mc = temp;
1464 break;
1465 }
1466 }
1467
1468 g_slist_free(machines);
1469 return mc;
1470 }
1471
1472 MachineInfoList *qmp_query_machines(Error **errp)
1473 {
1474 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1475 MachineInfoList *mach_list = NULL;
1476
1477 for (el = machines; el; el = el->next) {
1478 MachineClass *mc = el->data;
1479 MachineInfoList *entry;
1480 MachineInfo *info;
1481
1482 info = g_malloc0(sizeof(*info));
1483 if (mc->is_default) {
1484 info->has_is_default = true;
1485 info->is_default = true;
1486 }
1487
1488 if (mc->alias) {
1489 info->has_alias = true;
1490 info->alias = g_strdup(mc->alias);
1491 }
1492
1493 info->name = g_strdup(mc->name);
1494 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1495 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1496
1497 entry = g_malloc0(sizeof(*entry));
1498 entry->value = info;
1499 entry->next = mach_list;
1500 mach_list = entry;
1501 }
1502
1503 g_slist_free(machines);
1504 return mach_list;
1505 }
1506
1507 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1508 {
1509 ObjectProperty *prop;
1510 ObjectPropertyIterator iter;
1511
1512 if (!qemu_opt_has_help_opt(opts)) {
1513 return 0;
1514 }
1515
1516 object_property_iter_init(&iter, OBJECT(machine));
1517 while ((prop = object_property_iter_next(&iter))) {
1518 if (!prop->set) {
1519 continue;
1520 }
1521
1522 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1523 prop->name, prop->type);
1524 if (prop->description) {
1525 error_printf(" (%s)\n", prop->description);
1526 } else {
1527 error_printf("\n");
1528 }
1529 }
1530
1531 return 1;
1532 }
1533
1534 struct vm_change_state_entry {
1535 VMChangeStateHandler *cb;
1536 void *opaque;
1537 QLIST_ENTRY (vm_change_state_entry) entries;
1538 };
1539
1540 static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head;
1541
1542 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1543 void *opaque)
1544 {
1545 VMChangeStateEntry *e;
1546
1547 e = g_malloc0(sizeof (*e));
1548
1549 e->cb = cb;
1550 e->opaque = opaque;
1551 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1552 return e;
1553 }
1554
1555 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1556 {
1557 QLIST_REMOVE (e, entries);
1558 g_free (e);
1559 }
1560
1561 void vm_state_notify(int running, RunState state)
1562 {
1563 VMChangeStateEntry *e, *next;
1564
1565 trace_vm_state_notify(running, state, RunState_str(state));
1566
1567 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1568 e->cb(e->opaque, running, state);
1569 }
1570 }
1571
1572 static ShutdownCause reset_requested;
1573 static ShutdownCause shutdown_requested;
1574 static int shutdown_signal;
1575 static pid_t shutdown_pid;
1576 static int powerdown_requested;
1577 static int debug_requested;
1578 static int suspend_requested;
1579 static bool preconfig_exit_requested = true;
1580 static WakeupReason wakeup_reason;
1581 static NotifierList powerdown_notifiers =
1582 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1583 static NotifierList suspend_notifiers =
1584 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1585 static NotifierList wakeup_notifiers =
1586 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1587 static NotifierList shutdown_notifiers =
1588 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1589 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1590
1591 ShutdownCause qemu_shutdown_requested_get(void)
1592 {
1593 return shutdown_requested;
1594 }
1595
1596 ShutdownCause qemu_reset_requested_get(void)
1597 {
1598 return reset_requested;
1599 }
1600
1601 static int qemu_shutdown_requested(void)
1602 {
1603 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1604 }
1605
1606 static void qemu_kill_report(void)
1607 {
1608 if (!qtest_driver() && shutdown_signal) {
1609 if (shutdown_pid == 0) {
1610 /* This happens for eg ^C at the terminal, so it's worth
1611 * avoiding printing an odd message in that case.
1612 */
1613 error_report("terminating on signal %d", shutdown_signal);
1614 } else {
1615 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1616
1617 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1618 shutdown_signal, shutdown_pid,
1619 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1620 g_free(shutdown_cmd);
1621 }
1622 shutdown_signal = 0;
1623 }
1624 }
1625
1626 static ShutdownCause qemu_reset_requested(void)
1627 {
1628 ShutdownCause r = reset_requested;
1629
1630 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1631 reset_requested = SHUTDOWN_CAUSE_NONE;
1632 return r;
1633 }
1634 return SHUTDOWN_CAUSE_NONE;
1635 }
1636
1637 static int qemu_suspend_requested(void)
1638 {
1639 int r = suspend_requested;
1640 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1641 suspend_requested = 0;
1642 return r;
1643 }
1644 return false;
1645 }
1646
1647 static WakeupReason qemu_wakeup_requested(void)
1648 {
1649 return wakeup_reason;
1650 }
1651
1652 static int qemu_powerdown_requested(void)
1653 {
1654 int r = powerdown_requested;
1655 powerdown_requested = 0;
1656 return r;
1657 }
1658
1659 static int qemu_debug_requested(void)
1660 {
1661 int r = debug_requested;
1662 debug_requested = 0;
1663 return r;
1664 }
1665
1666 void qemu_exit_preconfig_request(void)
1667 {
1668 preconfig_exit_requested = true;
1669 }
1670
1671 /*
1672 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1673 */
1674 void qemu_system_reset(ShutdownCause reason)
1675 {
1676 MachineClass *mc;
1677
1678 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1679
1680 cpu_synchronize_all_states();
1681
1682 if (mc && mc->reset) {
1683 mc->reset();
1684 } else {
1685 qemu_devices_reset();
1686 }
1687 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1688 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1689 }
1690 cpu_synchronize_all_post_reset();
1691 }
1692
1693 void qemu_system_guest_panicked(GuestPanicInformation *info)
1694 {
1695 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1696
1697 if (current_cpu) {
1698 current_cpu->crash_occurred = true;
1699 }
1700 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1701 !!info, info);
1702 vm_stop(RUN_STATE_GUEST_PANICKED);
1703 if (!no_shutdown) {
1704 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1705 !!info, info);
1706 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1707 }
1708
1709 if (info) {
1710 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1711 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1712 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1713 info->u.hyper_v.arg1,
1714 info->u.hyper_v.arg2,
1715 info->u.hyper_v.arg3,
1716 info->u.hyper_v.arg4,
1717 info->u.hyper_v.arg5);
1718 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1719 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1720 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1721 info->u.s390.core,
1722 S390CrashReason_str(info->u.s390.reason),
1723 info->u.s390.psw_mask,
1724 info->u.s390.psw_addr);
1725 }
1726 qapi_free_GuestPanicInformation(info);
1727 }
1728 }
1729
1730 void qemu_system_reset_request(ShutdownCause reason)
1731 {
1732 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1733 shutdown_requested = reason;
1734 } else {
1735 reset_requested = reason;
1736 }
1737 cpu_stop_current();
1738 qemu_notify_event();
1739 }
1740
1741 static void qemu_system_suspend(void)
1742 {
1743 pause_all_vcpus();
1744 notifier_list_notify(&suspend_notifiers, NULL);
1745 runstate_set(RUN_STATE_SUSPENDED);
1746 qapi_event_send_suspend();
1747 }
1748
1749 void qemu_system_suspend_request(void)
1750 {
1751 if (runstate_check(RUN_STATE_SUSPENDED)) {
1752 return;
1753 }
1754 suspend_requested = 1;
1755 cpu_stop_current();
1756 qemu_notify_event();
1757 }
1758
1759 void qemu_register_suspend_notifier(Notifier *notifier)
1760 {
1761 notifier_list_add(&suspend_notifiers, notifier);
1762 }
1763
1764 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1765 {
1766 trace_system_wakeup_request(reason);
1767
1768 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1769 error_setg(errp,
1770 "Unable to wake up: guest is not in suspended state");
1771 return;
1772 }
1773 if (!(wakeup_reason_mask & (1 << reason))) {
1774 return;
1775 }
1776 runstate_set(RUN_STATE_RUNNING);
1777 wakeup_reason = reason;
1778 qemu_notify_event();
1779 }
1780
1781 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1782 {
1783 if (enabled) {
1784 wakeup_reason_mask |= (1 << reason);
1785 } else {
1786 wakeup_reason_mask &= ~(1 << reason);
1787 }
1788 }
1789
1790 void qemu_register_wakeup_notifier(Notifier *notifier)
1791 {
1792 notifier_list_add(&wakeup_notifiers, notifier);
1793 }
1794
1795 void qemu_register_wakeup_support(void)
1796 {
1797 wakeup_suspend_enabled = true;
1798 }
1799
1800 bool qemu_wakeup_suspend_enabled(void)
1801 {
1802 return wakeup_suspend_enabled;
1803 }
1804
1805 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1806 {
1807 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1808 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1809
1810 return params;
1811 }
1812
1813 void qemu_system_killed(int signal, pid_t pid)
1814 {
1815 shutdown_signal = signal;
1816 shutdown_pid = pid;
1817 no_shutdown = 0;
1818
1819 /* Cannot call qemu_system_shutdown_request directly because
1820 * we are in a signal handler.
1821 */
1822 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1823 qemu_notify_event();
1824 }
1825
1826 void qemu_system_shutdown_request(ShutdownCause reason)
1827 {
1828 trace_qemu_system_shutdown_request(reason);
1829 replay_shutdown_request(reason);
1830 shutdown_requested = reason;
1831 qemu_notify_event();
1832 }
1833
1834 static void qemu_system_powerdown(void)
1835 {
1836 qapi_event_send_powerdown();
1837 notifier_list_notify(&powerdown_notifiers, NULL);
1838 }
1839
1840 static void qemu_system_shutdown(ShutdownCause cause)
1841 {
1842 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1843 notifier_list_notify(&shutdown_notifiers, &cause);
1844 }
1845
1846 void qemu_system_powerdown_request(void)
1847 {
1848 trace_qemu_system_powerdown_request();
1849 powerdown_requested = 1;
1850 qemu_notify_event();
1851 }
1852
1853 void qemu_register_powerdown_notifier(Notifier *notifier)
1854 {
1855 notifier_list_add(&powerdown_notifiers, notifier);
1856 }
1857
1858 void qemu_register_shutdown_notifier(Notifier *notifier)
1859 {
1860 notifier_list_add(&shutdown_notifiers, notifier);
1861 }
1862
1863 void qemu_system_debug_request(void)
1864 {
1865 debug_requested = 1;
1866 qemu_notify_event();
1867 }
1868
1869 static bool main_loop_should_exit(void)
1870 {
1871 RunState r;
1872 ShutdownCause request;
1873
1874 if (preconfig_exit_requested) {
1875 if (runstate_check(RUN_STATE_PRECONFIG)) {
1876 runstate_set(RUN_STATE_PRELAUNCH);
1877 }
1878 preconfig_exit_requested = false;
1879 return true;
1880 }
1881 if (qemu_debug_requested()) {
1882 vm_stop(RUN_STATE_DEBUG);
1883 }
1884 if (qemu_suspend_requested()) {
1885 qemu_system_suspend();
1886 }
1887 request = qemu_shutdown_requested();
1888 if (request) {
1889 qemu_kill_report();
1890 qemu_system_shutdown(request);
1891 if (no_shutdown) {
1892 vm_stop(RUN_STATE_SHUTDOWN);
1893 } else {
1894 return true;
1895 }
1896 }
1897 request = qemu_reset_requested();
1898 if (request) {
1899 pause_all_vcpus();
1900 qemu_system_reset(request);
1901 resume_all_vcpus();
1902 if (!runstate_check(RUN_STATE_RUNNING) &&
1903 !runstate_check(RUN_STATE_INMIGRATE)) {
1904 runstate_set(RUN_STATE_PRELAUNCH);
1905 }
1906 }
1907 if (qemu_wakeup_requested()) {
1908 pause_all_vcpus();
1909 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1910 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1911 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1912 resume_all_vcpus();
1913 qapi_event_send_wakeup();
1914 }
1915 if (qemu_powerdown_requested()) {
1916 qemu_system_powerdown();
1917 }
1918 if (qemu_vmstop_requested(&r)) {
1919 vm_stop(r);
1920 }
1921 return false;
1922 }
1923
1924 static void main_loop(void)
1925 {
1926 #ifdef CONFIG_PROFILER
1927 int64_t ti;
1928 #endif
1929 while (!main_loop_should_exit()) {
1930 #ifdef CONFIG_PROFILER
1931 ti = profile_getclock();
1932 #endif
1933 main_loop_wait(false);
1934 #ifdef CONFIG_PROFILER
1935 dev_time += profile_getclock() - ti;
1936 #endif
1937 }
1938 }
1939
1940 static void version(void)
1941 {
1942 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1943 QEMU_COPYRIGHT "\n");
1944 }
1945
1946 static void QEMU_NORETURN help(int exitcode)
1947 {
1948 version();
1949 printf("usage: %s [options] [disk_image]\n\n"
1950 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1951 error_get_progname());
1952
1953 #define QEMU_OPTIONS_GENERATE_HELP
1954 #include "qemu-options-wrapper.h"
1955
1956 printf("\nDuring emulation, the following keys are useful:\n"
1957 "ctrl-alt-f toggle full screen\n"
1958 "ctrl-alt-n switch to virtual console 'n'\n"
1959 "ctrl-alt toggle mouse and keyboard grab\n"
1960 "\n"
1961 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1962 "\n"
1963 QEMU_HELP_BOTTOM "\n");
1964
1965 exit(exitcode);
1966 }
1967
1968 #define HAS_ARG 0x0001
1969
1970 typedef struct QEMUOption {
1971 const char *name;
1972 int flags;
1973 int index;
1974 uint32_t arch_mask;
1975 } QEMUOption;
1976
1977 static const QEMUOption qemu_options[] = {
1978 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1979 #define QEMU_OPTIONS_GENERATE_OPTIONS
1980 #include "qemu-options-wrapper.h"
1981 { NULL },
1982 };
1983
1984 typedef struct VGAInterfaceInfo {
1985 const char *opt_name; /* option name */
1986 const char *name; /* human-readable name */
1987 /* Class names indicating that support is available.
1988 * If no class is specified, the interface is always available */
1989 const char *class_names[2];
1990 } VGAInterfaceInfo;
1991
1992 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1993 [VGA_NONE] = {
1994 .opt_name = "none",
1995 },
1996 [VGA_STD] = {
1997 .opt_name = "std",
1998 .name = "standard VGA",
1999 .class_names = { "VGA", "isa-vga" },
2000 },
2001 [VGA_CIRRUS] = {
2002 .opt_name = "cirrus",
2003 .name = "Cirrus VGA",
2004 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2005 },
2006 [VGA_VMWARE] = {
2007 .opt_name = "vmware",
2008 .name = "VMWare SVGA",
2009 .class_names = { "vmware-svga" },
2010 },
2011 [VGA_VIRTIO] = {
2012 .opt_name = "virtio",
2013 .name = "Virtio VGA",
2014 .class_names = { "virtio-vga" },
2015 },
2016 [VGA_QXL] = {
2017 .opt_name = "qxl",
2018 .name = "QXL VGA",
2019 .class_names = { "qxl-vga" },
2020 },
2021 [VGA_TCX] = {
2022 .opt_name = "tcx",
2023 .name = "TCX framebuffer",
2024 .class_names = { "SUNW,tcx" },
2025 },
2026 [VGA_CG3] = {
2027 .opt_name = "cg3",
2028 .name = "CG3 framebuffer",
2029 .class_names = { "cgthree" },
2030 },
2031 [VGA_XENFB] = {
2032 .opt_name = "xenfb",
2033 },
2034 };
2035
2036 static bool vga_interface_available(VGAInterfaceType t)
2037 {
2038 VGAInterfaceInfo *ti = &vga_interfaces[t];
2039
2040 assert(t < VGA_TYPE_MAX);
2041 return !ti->class_names[0] ||
2042 object_class_by_name(ti->class_names[0]) ||
2043 object_class_by_name(ti->class_names[1]);
2044 }
2045
2046 static void select_vgahw(const char *p)
2047 {
2048 const char *opts;
2049 int t;
2050
2051 assert(vga_interface_type == VGA_NONE);
2052 for (t = 0; t < VGA_TYPE_MAX; t++) {
2053 VGAInterfaceInfo *ti = &vga_interfaces[t];
2054 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2055 if (!vga_interface_available(t)) {
2056 error_report("%s not available", ti->name);
2057 exit(1);
2058 }
2059 vga_interface_type = t;
2060 break;
2061 }
2062 }
2063 if (t == VGA_TYPE_MAX) {
2064 invalid_vga:
2065 error_report("unknown vga type: %s", p);
2066 exit(1);
2067 }
2068 while (*opts) {
2069 const char *nextopt;
2070
2071 if (strstart(opts, ",retrace=", &nextopt)) {
2072 opts = nextopt;
2073 if (strstart(opts, "dumb", &nextopt))
2074 vga_retrace_method = VGA_RETRACE_DUMB;
2075 else if (strstart(opts, "precise", &nextopt))
2076 vga_retrace_method = VGA_RETRACE_PRECISE;
2077 else goto invalid_vga;
2078 } else goto invalid_vga;
2079 opts = nextopt;
2080 }
2081 }
2082
2083 static void parse_display_qapi(const char *optarg)
2084 {
2085 DisplayOptions *opts;
2086 Visitor *v;
2087
2088 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2089
2090 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2091 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2092
2093 qapi_free_DisplayOptions(opts);
2094 visit_free(v);
2095 }
2096
2097 DisplayOptions *qmp_query_display_options(Error **errp)
2098 {
2099 return QAPI_CLONE(DisplayOptions, &dpy);
2100 }
2101
2102 static void parse_display(const char *p)
2103 {
2104 const char *opts;
2105
2106 if (strstart(p, "sdl", &opts)) {
2107 /*
2108 * sdl DisplayType needs hand-crafted parser instead of
2109 * parse_display_qapi() due to some options not in
2110 * DisplayOptions, specifically:
2111 * - frame
2112 * Already deprecated.
2113 * - ctrl_grab + alt_grab
2114 * Not clear yet what happens to them long-term. Should
2115 * replaced by something better or deprecated and dropped.
2116 */
2117 dpy.type = DISPLAY_TYPE_SDL;
2118 while (*opts) {
2119 const char *nextopt;
2120
2121 if (strstart(opts, ",alt_grab=", &nextopt)) {
2122 opts = nextopt;
2123 if (strstart(opts, "on", &nextopt)) {
2124 alt_grab = 1;
2125 } else if (strstart(opts, "off", &nextopt)) {
2126 alt_grab = 0;
2127 } else {
2128 goto invalid_sdl_args;
2129 }
2130 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2131 opts = nextopt;
2132 if (strstart(opts, "on", &nextopt)) {
2133 ctrl_grab = 1;
2134 } else if (strstart(opts, "off", &nextopt)) {
2135 ctrl_grab = 0;
2136 } else {
2137 goto invalid_sdl_args;
2138 }
2139 } else if (strstart(opts, ",window_close=", &nextopt)) {
2140 opts = nextopt;
2141 dpy.has_window_close = true;
2142 if (strstart(opts, "on", &nextopt)) {
2143 dpy.window_close = true;
2144 } else if (strstart(opts, "off", &nextopt)) {
2145 dpy.window_close = false;
2146 } else {
2147 goto invalid_sdl_args;
2148 }
2149 } else if (strstart(opts, ",gl=", &nextopt)) {
2150 opts = nextopt;
2151 dpy.has_gl = true;
2152 if (strstart(opts, "on", &nextopt)) {
2153 dpy.gl = DISPLAYGL_MODE_ON;
2154 } else if (strstart(opts, "core", &nextopt)) {
2155 dpy.gl = DISPLAYGL_MODE_CORE;
2156 } else if (strstart(opts, "es", &nextopt)) {
2157 dpy.gl = DISPLAYGL_MODE_ES;
2158 } else if (strstart(opts, "off", &nextopt)) {
2159 dpy.gl = DISPLAYGL_MODE_OFF;
2160 } else {
2161 goto invalid_sdl_args;
2162 }
2163 } else {
2164 invalid_sdl_args:
2165 error_report("invalid SDL option string");
2166 exit(1);
2167 }
2168 opts = nextopt;
2169 }
2170 } else if (strstart(p, "vnc", &opts)) {
2171 /*
2172 * vnc isn't a (local) DisplayType but a protocol for remote
2173 * display access.
2174 */
2175 if (*opts == '=') {
2176 vnc_parse(opts + 1, &error_fatal);
2177 } else {
2178 error_report("VNC requires a display argument vnc=<display>");
2179 exit(1);
2180 }
2181 } else {
2182 parse_display_qapi(p);
2183 }
2184 }
2185
2186 char *qemu_find_file(int type, const char *name)
2187 {
2188 int i;
2189 const char *subdir;
2190 char *buf;
2191
2192 /* Try the name as a straight path first */
2193 if (access(name, R_OK) == 0) {
2194 trace_load_file(name, name);
2195 return g_strdup(name);
2196 }
2197
2198 switch (type) {
2199 case QEMU_FILE_TYPE_BIOS:
2200 subdir = "";
2201 break;
2202 case QEMU_FILE_TYPE_KEYMAP:
2203 subdir = "keymaps/";
2204 break;
2205 default:
2206 abort();
2207 }
2208
2209 for (i = 0; i < data_dir_idx; i++) {
2210 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2211 if (access(buf, R_OK) == 0) {
2212 trace_load_file(name, buf);
2213 return buf;
2214 }
2215 g_free(buf);
2216 }
2217 return NULL;
2218 }
2219
2220 static void qemu_add_data_dir(const char *path)
2221 {
2222 int i;
2223
2224 if (path == NULL) {
2225 return;
2226 }
2227 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2228 return;
2229 }
2230 for (i = 0; i < data_dir_idx; i++) {
2231 if (strcmp(data_dir[i], path) == 0) {
2232 return; /* duplicate */
2233 }
2234 }
2235 data_dir[data_dir_idx++] = g_strdup(path);
2236 }
2237
2238 static inline bool nonempty_str(const char *str)
2239 {
2240 return str && *str;
2241 }
2242
2243 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2244 {
2245 gchar *buf;
2246 size_t size;
2247 const char *name, *file, *str;
2248 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2249
2250 if (fw_cfg == NULL) {
2251 error_setg(errp, "fw_cfg device not available");
2252 return -1;
2253 }
2254 name = qemu_opt_get(opts, "name");
2255 file = qemu_opt_get(opts, "file");
2256 str = qemu_opt_get(opts, "string");
2257
2258 /* we need name and either a file or the content string */
2259 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2260 error_setg(errp, "invalid argument(s)");
2261 return -1;
2262 }
2263 if (nonempty_str(file) && nonempty_str(str)) {
2264 error_setg(errp, "file and string are mutually exclusive");
2265 return -1;
2266 }
2267 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2268 error_setg(errp, "name too long (max. %d char)",
2269 FW_CFG_MAX_FILE_PATH - 1);
2270 return -1;
2271 }
2272 if (strncmp(name, "opt/", 4) != 0) {
2273 warn_report("externally provided fw_cfg item names "
2274 "should be prefixed with \"opt/\"");
2275 }
2276 if (nonempty_str(str)) {
2277 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2278 buf = g_memdup(str, size);
2279 } else {
2280 GError *err = NULL;
2281 if (!g_file_get_contents(file, &buf, &size, &err)) {
2282 error_setg(errp, "can't load %s: %s", file, err->message);
2283 g_error_free(err);
2284 return -1;
2285 }
2286 }
2287 /* For legacy, keep user files in a specific global order. */
2288 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2289 fw_cfg_add_file(fw_cfg, name, buf, size);
2290 fw_cfg_reset_order_override(fw_cfg);
2291 return 0;
2292 }
2293
2294 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2295 {
2296 return qdev_device_help(opts);
2297 }
2298
2299 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2300 {
2301 DeviceState *dev;
2302
2303 dev = qdev_device_add(opts, errp);
2304 if (!dev) {
2305 return -1;
2306 }
2307 object_unref(OBJECT(dev));
2308 return 0;
2309 }
2310
2311 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2312 {
2313 Error *local_err = NULL;
2314
2315 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2316 if (local_err) {
2317 error_propagate(errp, local_err);
2318 return -1;
2319 }
2320 exit(0);
2321 }
2322 return 0;
2323 }
2324
2325 #ifdef CONFIG_VIRTFS
2326 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2327 {
2328 return qemu_fsdev_add(opts, errp);
2329 }
2330 #endif
2331
2332 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2333 {
2334 Chardev *chr;
2335 const char *chardev;
2336 const char *mode;
2337 int flags;
2338
2339 mode = qemu_opt_get(opts, "mode");
2340 if (mode == NULL) {
2341 mode = "readline";
2342 }
2343 if (strcmp(mode, "readline") == 0) {
2344 flags = MONITOR_USE_READLINE;
2345 } else if (strcmp(mode, "control") == 0) {
2346 flags = MONITOR_USE_CONTROL;
2347 } else {
2348 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2349 return -1;
2350 }
2351
2352 if (qemu_opt_get_bool(opts, "pretty", 0))
2353 flags |= MONITOR_USE_PRETTY;
2354
2355 chardev = qemu_opt_get(opts, "chardev");
2356 if (!chardev) {
2357 error_report("chardev is required");
2358 exit(1);
2359 }
2360 chr = qemu_chr_find(chardev);
2361 if (chr == NULL) {
2362 error_setg(errp, "chardev \"%s\" not found", chardev);
2363 return -1;
2364 }
2365
2366 monitor_init(chr, flags);
2367 return 0;
2368 }
2369
2370 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2371 {
2372 static int monitor_device_index = 0;
2373 QemuOpts *opts;
2374 const char *p;
2375 char label[32];
2376
2377 if (strstart(optarg, "chardev:", &p)) {
2378 snprintf(label, sizeof(label), "%s", p);
2379 } else {
2380 snprintf(label, sizeof(label), "compat_monitor%d",
2381 monitor_device_index);
2382 opts = qemu_chr_parse_compat(label, optarg, true);
2383 if (!opts) {
2384 error_report("parse error: %s", optarg);
2385 exit(1);
2386 }
2387 }
2388
2389 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2390 qemu_opt_set(opts, "mode", mode, &error_abort);
2391 qemu_opt_set(opts, "chardev", label, &error_abort);
2392 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2393 monitor_device_index++;
2394 }
2395
2396 struct device_config {
2397 enum {
2398 DEV_USB, /* -usbdevice */
2399 DEV_BT, /* -bt */
2400 DEV_SERIAL, /* -serial */
2401 DEV_PARALLEL, /* -parallel */
2402 DEV_DEBUGCON, /* -debugcon */
2403 DEV_GDB, /* -gdb, -s */
2404 DEV_SCLP, /* s390 sclp */
2405 } type;
2406 const char *cmdline;
2407 Location loc;
2408 QTAILQ_ENTRY(device_config) next;
2409 };
2410
2411 static QTAILQ_HEAD(, device_config) device_configs =
2412 QTAILQ_HEAD_INITIALIZER(device_configs);
2413
2414 static void add_device_config(int type, const char *cmdline)
2415 {
2416 struct device_config *conf;
2417
2418 conf = g_malloc0(sizeof(*conf));
2419 conf->type = type;
2420 conf->cmdline = cmdline;
2421 loc_save(&conf->loc);
2422 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2423 }
2424
2425 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2426 {
2427 struct device_config *conf;
2428 int rc;
2429
2430 QTAILQ_FOREACH(conf, &device_configs, next) {
2431 if (conf->type != type)
2432 continue;
2433 loc_push_restore(&conf->loc);
2434 rc = func(conf->cmdline);
2435 loc_pop(&conf->loc);
2436 if (rc) {
2437 return rc;
2438 }
2439 }
2440 return 0;
2441 }
2442
2443 static int serial_parse(const char *devname)
2444 {
2445 int index = num_serial_hds;
2446 char label[32];
2447
2448 if (strcmp(devname, "none") == 0)
2449 return 0;
2450 snprintf(label, sizeof(label), "serial%d", index);
2451 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2452
2453 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2454 if (!serial_hds[index]) {
2455 error_report("could not connect serial device"
2456 " to character backend '%s'", devname);
2457 return -1;
2458 }
2459 num_serial_hds++;
2460 return 0;
2461 }
2462
2463 Chardev *serial_hd(int i)
2464 {
2465 assert(i >= 0);
2466 if (i < num_serial_hds) {
2467 return serial_hds[i];
2468 }
2469 return NULL;
2470 }
2471
2472 int serial_max_hds(void)
2473 {
2474 return num_serial_hds;
2475 }
2476
2477 static int parallel_parse(const char *devname)
2478 {
2479 static int index = 0;
2480 char label[32];
2481
2482 if (strcmp(devname, "none") == 0)
2483 return 0;
2484 if (index == MAX_PARALLEL_PORTS) {
2485 error_report("too many parallel ports");
2486 exit(1);
2487 }
2488 snprintf(label, sizeof(label), "parallel%d", index);
2489 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2490 if (!parallel_hds[index]) {
2491 error_report("could not connect parallel device"
2492 " to character backend '%s'", devname);
2493 return -1;
2494 }
2495 index++;
2496 return 0;
2497 }
2498
2499 static int debugcon_parse(const char *devname)
2500 {
2501 QemuOpts *opts;
2502
2503 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
2504 error_report("invalid character backend '%s'", devname);
2505 exit(1);
2506 }
2507 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2508 if (!opts) {
2509 error_report("already have a debugcon device");
2510 exit(1);
2511 }
2512 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2513 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2514 return 0;
2515 }
2516
2517 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2518 {
2519 const MachineClass *mc1 = a, *mc2 = b;
2520 int res;
2521
2522 if (mc1->family == NULL) {
2523 if (mc2->family == NULL) {
2524 /* Compare standalone machine types against each other; they sort
2525 * in increasing order.
2526 */
2527 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2528 object_class_get_name(OBJECT_CLASS(mc2)));
2529 }
2530
2531 /* Standalone machine types sort after families. */
2532 return 1;
2533 }
2534
2535 if (mc2->family == NULL) {
2536 /* Families sort before standalone machine types. */
2537 return -1;
2538 }
2539
2540 /* Families sort between each other alphabetically increasingly. */
2541 res = strcmp(mc1->family, mc2->family);
2542 if (res != 0) {
2543 return res;
2544 }
2545
2546 /* Within the same family, machine types sort in decreasing order. */
2547 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2548 object_class_get_name(OBJECT_CLASS(mc1)));
2549 }
2550
2551 static MachineClass *machine_parse(const char *name)
2552 {
2553 MachineClass *mc = NULL;
2554 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2555
2556 if (name) {
2557 mc = find_machine(name);
2558 }
2559 if (mc) {
2560 g_slist_free(machines);
2561 return mc;
2562 }
2563 if (name && !is_help_option(name)) {
2564 error_report("unsupported machine type");
2565 error_printf("Use -machine help to list supported machines\n");
2566 } else {
2567 printf("Supported machines are:\n");
2568 machines = g_slist_sort(machines, machine_class_cmp);
2569 for (el = machines; el; el = el->next) {
2570 MachineClass *mc = el->data;
2571 if (mc->alias) {
2572 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2573 }
2574 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2575 mc->is_default ? " (default)" : "",
2576 mc->deprecation_reason ? " (deprecated)" : "");
2577 }
2578 }
2579
2580 g_slist_free(machines);
2581 exit(!name || !is_help_option(name));
2582 }
2583
2584 void qemu_add_exit_notifier(Notifier *notify)
2585 {
2586 notifier_list_add(&exit_notifiers, notify);
2587 }
2588
2589 void qemu_remove_exit_notifier(Notifier *notify)
2590 {
2591 notifier_remove(notify);
2592 }
2593
2594 static void qemu_run_exit_notifiers(void)
2595 {
2596 notifier_list_notify(&exit_notifiers, NULL);
2597 }
2598
2599 static const char *pid_file;
2600 static Notifier qemu_unlink_pidfile_notifier;
2601
2602 static void qemu_unlink_pidfile(Notifier *n, void *data)
2603 {
2604 if (pid_file) {
2605 unlink(pid_file);
2606 }
2607 }
2608
2609 bool machine_init_done;
2610
2611 void qemu_add_machine_init_done_notifier(Notifier *notify)
2612 {
2613 notifier_list_add(&machine_init_done_notifiers, notify);
2614 if (machine_init_done) {
2615 notify->notify(notify, NULL);
2616 }
2617 }
2618
2619 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2620 {
2621 notifier_remove(notify);
2622 }
2623
2624 static void qemu_run_machine_init_done_notifiers(void)
2625 {
2626 machine_init_done = true;
2627 notifier_list_notify(&machine_init_done_notifiers, NULL);
2628 }
2629
2630 static const QEMUOption *lookup_opt(int argc, char **argv,
2631 const char **poptarg, int *poptind)
2632 {
2633 const QEMUOption *popt;
2634 int optind = *poptind;
2635 char *r = argv[optind];
2636 const char *optarg;
2637
2638 loc_set_cmdline(argv, optind, 1);
2639 optind++;
2640 /* Treat --foo the same as -foo. */
2641 if (r[1] == '-')
2642 r++;
2643 popt = qemu_options;
2644 for(;;) {
2645 if (!popt->name) {
2646 error_report("invalid option");
2647 exit(1);
2648 }
2649 if (!strcmp(popt->name, r + 1))
2650 break;
2651 popt++;
2652 }
2653 if (popt->flags & HAS_ARG) {
2654 if (optind >= argc) {
2655 error_report("requires an argument");
2656 exit(1);
2657 }
2658 optarg = argv[optind++];
2659 loc_set_cmdline(argv, optind - 2, 2);
2660 } else {
2661 optarg = NULL;
2662 }
2663
2664 *poptarg = optarg;
2665 *poptind = optind;
2666
2667 return popt;
2668 }
2669
2670 static MachineClass *select_machine(void)
2671 {
2672 MachineClass *machine_class = find_default_machine();
2673 const char *optarg;
2674 QemuOpts *opts;
2675 Location loc;
2676
2677 loc_push_none(&loc);
2678
2679 opts = qemu_get_machine_opts();
2680 qemu_opts_loc_restore(opts);
2681
2682 optarg = qemu_opt_get(opts, "type");
2683 if (optarg) {
2684 machine_class = machine_parse(optarg);
2685 }
2686
2687 if (!machine_class) {
2688 error_report("No machine specified, and there is no default");
2689 error_printf("Use -machine help to list supported machines\n");
2690 exit(1);
2691 }
2692
2693 loc_pop(&loc);
2694 return machine_class;
2695 }
2696
2697 static int machine_set_property(void *opaque,
2698 const char *name, const char *value,
2699 Error **errp)
2700 {
2701 Object *obj = OBJECT(opaque);
2702 Error *local_err = NULL;
2703 char *p, *qom_name;
2704
2705 if (strcmp(name, "type") == 0) {
2706 return 0;
2707 }
2708
2709 qom_name = g_strdup(name);
2710 for (p = qom_name; *p; p++) {
2711 if (*p == '_') {
2712 *p = '-';
2713 }
2714 }
2715
2716 object_property_parse(obj, value, qom_name, &local_err);
2717 g_free(qom_name);
2718
2719 if (local_err) {
2720 error_propagate(errp, local_err);
2721 return -1;
2722 }
2723
2724 return 0;
2725 }
2726
2727
2728 /*
2729 * Initial object creation happens before all other
2730 * QEMU data types are created. The majority of objects
2731 * can be created at this point. The rng-egd object
2732 * cannot be created here, as it depends on the chardev
2733 * already existing.
2734 */
2735 static bool object_create_initial(const char *type, QemuOpts *opts)
2736 {
2737 ObjectClass *klass;
2738
2739 if (is_help_option(type)) {
2740 GSList *l, *list;
2741
2742 printf("List of user creatable objects:\n");
2743 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2744 for (l = list; l != NULL; l = l->next) {
2745 ObjectClass *oc = OBJECT_CLASS(l->data);
2746 printf(" %s\n", object_class_get_name(oc));
2747 }
2748 g_slist_free(list);
2749 exit(0);
2750 }
2751
2752 klass = object_class_by_name(type);
2753 if (klass && qemu_opt_has_help_opt(opts)) {
2754 ObjectPropertyIterator iter;
2755 ObjectProperty *prop;
2756 GPtrArray *array = g_ptr_array_new();
2757 int i;
2758
2759 object_class_property_iter_init(&iter, klass);
2760 while ((prop = object_property_iter_next(&iter))) {
2761 GString *str;
2762
2763 if (!prop->set) {
2764 continue;
2765 }
2766
2767 str = g_string_new(NULL);
2768 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2769 if (prop->description) {
2770 if (str->len < 24) {
2771 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2772 }
2773 g_string_append_printf(str, " - %s", prop->description);
2774 }
2775 g_ptr_array_add(array, g_string_free(str, false));
2776 }
2777 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2778 if (array->len > 0) {
2779 printf("%s options:\n", type);
2780 } else {
2781 printf("There are no options for %s.\n", type);
2782 }
2783 for (i = 0; i < array->len; i++) {
2784 printf("%s\n", (char *)array->pdata[i]);
2785 }
2786 g_ptr_array_set_free_func(array, g_free);
2787 g_ptr_array_free(array, true);
2788 exit(0);
2789 }
2790
2791 if (g_str_equal(type, "rng-egd") ||
2792 g_str_has_prefix(type, "pr-manager-")) {
2793 return false;
2794 }
2795
2796 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2797 if (g_str_equal(type, "cryptodev-vhost-user")) {
2798 return false;
2799 }
2800 #endif
2801
2802 /*
2803 * return false for concrete netfilters since
2804 * they depend on netdevs already existing
2805 */
2806 if (g_str_equal(type, "filter-buffer") ||
2807 g_str_equal(type, "filter-dump") ||
2808 g_str_equal(type, "filter-mirror") ||
2809 g_str_equal(type, "filter-redirector") ||
2810 g_str_equal(type, "colo-compare") ||
2811 g_str_equal(type, "filter-rewriter") ||
2812 g_str_equal(type, "filter-replay")) {
2813 return false;
2814 }
2815
2816 /* Memory allocation by backends needs to be done
2817 * after configure_accelerator() (due to the tcg_enabled()
2818 * checks at memory_region_init_*()).
2819 *
2820 * Also, allocation of large amounts of memory may delay
2821 * chardev initialization for too long, and trigger timeouts
2822 * on software that waits for a monitor socket to be created
2823 * (e.g. libvirt).
2824 */
2825 if (g_str_has_prefix(type, "memory-backend-")) {
2826 return false;
2827 }
2828
2829 return true;
2830 }
2831
2832
2833 /*
2834 * The remainder of object creation happens after the
2835 * creation of chardev, fsdev, net clients and device data types.
2836 */
2837 static bool object_create_delayed(const char *type, QemuOpts *opts)
2838 {
2839 return !object_create_initial(type, opts);
2840 }
2841
2842
2843 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2844 MachineClass *mc)
2845 {
2846 uint64_t sz;
2847 const char *mem_str;
2848 const ram_addr_t default_ram_size = mc->default_ram_size;
2849 QemuOpts *opts = qemu_find_opts_singleton("memory");
2850 Location loc;
2851
2852 loc_push_none(&loc);
2853 qemu_opts_loc_restore(opts);
2854
2855 sz = 0;
2856 mem_str = qemu_opt_get(opts, "size");
2857 if (mem_str) {
2858 if (!*mem_str) {
2859 error_report("missing 'size' option value");
2860 exit(EXIT_FAILURE);
2861 }
2862
2863 sz = qemu_opt_get_size(opts, "size", ram_size);
2864
2865 /* Fix up legacy suffix-less format */
2866 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2867 uint64_t overflow_check = sz;
2868
2869 sz *= MiB;
2870 if (sz / MiB != overflow_check) {
2871 error_report("too large 'size' option value");
2872 exit(EXIT_FAILURE);
2873 }
2874 }
2875 }
2876
2877 /* backward compatibility behaviour for case "-m 0" */
2878 if (sz == 0) {
2879 sz = default_ram_size;
2880 }
2881
2882 sz = QEMU_ALIGN_UP(sz, 8192);
2883 ram_size = sz;
2884 if (ram_size != sz) {
2885 error_report("ram size too large");
2886 exit(EXIT_FAILURE);
2887 }
2888
2889 /* store value for the future use */
2890 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2891 *maxram_size = ram_size;
2892
2893 if (qemu_opt_get(opts, "maxmem")) {
2894 uint64_t slots;
2895
2896 sz = qemu_opt_get_size(opts, "maxmem", 0);
2897 slots = qemu_opt_get_number(opts, "slots", 0);
2898 if (sz < ram_size) {
2899 error_report("invalid value of -m option maxmem: "
2900 "maximum memory size (0x%" PRIx64 ") must be at least "
2901 "the initial memory size (0x" RAM_ADDR_FMT ")",
2902 sz, ram_size);
2903 exit(EXIT_FAILURE);
2904 } else if (slots && sz == ram_size) {
2905 error_report("invalid value of -m option maxmem: "
2906 "memory slots were specified but maximum memory size "
2907 "(0x%" PRIx64 ") is equal to the initial memory size "
2908 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2909 exit(EXIT_FAILURE);
2910 }
2911
2912 *maxram_size = sz;
2913 *ram_slots = slots;
2914 } else if (qemu_opt_get(opts, "slots")) {
2915 error_report("invalid -m option value: missing 'maxmem' option");
2916 exit(EXIT_FAILURE);
2917 }
2918
2919 loc_pop(&loc);
2920 }
2921
2922 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2923 {
2924 GlobalProperty *g;
2925
2926 g = g_malloc0(sizeof(*g));
2927 g->driver = qemu_opt_get(opts, "driver");
2928 g->property = qemu_opt_get(opts, "property");
2929 g->value = qemu_opt_get(opts, "value");
2930 qdev_prop_register_global(g);
2931 return 0;
2932 }
2933
2934 static int qemu_read_default_config_file(void)
2935 {
2936 int ret;
2937
2938 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2939 if (ret < 0 && ret != -ENOENT) {
2940 return ret;
2941 }
2942
2943 return 0;
2944 }
2945
2946 static void user_register_global_props(void)
2947 {
2948 qemu_opts_foreach(qemu_find_opts("global"),
2949 global_init_func, NULL, NULL);
2950 }
2951
2952 /*
2953 * Note: we should see that these properties are actually having a
2954 * priority: accel < machine < user. This means e.g. when user
2955 * specifies something in "-global", it'll always be used with highest
2956 * priority than either machine/accelerator compat properties.
2957 */
2958 static void register_global_properties(MachineState *ms)
2959 {
2960 user_register_global_props();
2961 }
2962
2963 int main(int argc, char **argv)
2964 {
2965 int i;
2966 int snapshot, linux_boot;
2967 const char *initrd_filename;
2968 const char *kernel_filename, *kernel_cmdline;
2969 const char *boot_order = NULL;
2970 const char *boot_once = NULL;
2971 DisplayState *ds;
2972 QemuOpts *opts, *machine_opts;
2973 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2974 QemuOptsList *olist;
2975 int optind;
2976 const char *optarg;
2977 const char *loadvm = NULL;
2978 MachineClass *machine_class;
2979 const char *cpu_model;
2980 const char *vga_model = NULL;
2981 const char *qtest_chrdev = NULL;
2982 const char *qtest_log = NULL;
2983 const char *incoming = NULL;
2984 bool userconfig = true;
2985 bool nographic = false;
2986 int display_remote = 0;
2987 const char *log_mask = NULL;
2988 const char *log_file = NULL;
2989 char *trace_file = NULL;
2990 ram_addr_t maxram_size;
2991 uint64_t ram_slots = 0;
2992 FILE *vmstate_dump_file = NULL;
2993 Error *main_loop_err = NULL;
2994 Error *err = NULL;
2995 bool list_data_dirs = false;
2996 char *dir, **dirs;
2997 typedef struct BlockdevOptions_queue {
2998 BlockdevOptions *bdo;
2999 Location loc;
3000 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3001 } BlockdevOptions_queue;
3002 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3003 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3004
3005 module_call_init(MODULE_INIT_TRACE);
3006
3007 qemu_init_cpu_list();
3008 qemu_init_cpu_loop();
3009
3010 qemu_mutex_lock_iothread();
3011
3012 atexit(qemu_run_exit_notifiers);
3013 error_set_progname(argv[0]);
3014 qemu_init_exec_dir(argv[0]);
3015
3016 module_call_init(MODULE_INIT_QOM);
3017
3018 qemu_add_opts(&qemu_drive_opts);
3019 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3020 qemu_add_drive_opts(&qemu_common_drive_opts);
3021 qemu_add_drive_opts(&qemu_drive_opts);
3022 qemu_add_drive_opts(&bdrv_runtime_opts);
3023 qemu_add_opts(&qemu_chardev_opts);
3024 qemu_add_opts(&qemu_device_opts);
3025 qemu_add_opts(&qemu_netdev_opts);
3026 qemu_add_opts(&qemu_nic_opts);
3027 qemu_add_opts(&qemu_net_opts);
3028 qemu_add_opts(&qemu_rtc_opts);
3029 qemu_add_opts(&qemu_global_opts);
3030 qemu_add_opts(&qemu_mon_opts);
3031 qemu_add_opts(&qemu_trace_opts);
3032 qemu_add_opts(&qemu_option_rom_opts);
3033 qemu_add_opts(&qemu_machine_opts);
3034 qemu_add_opts(&qemu_accel_opts);
3035 qemu_add_opts(&qemu_mem_opts);
3036 qemu_add_opts(&qemu_smp_opts);
3037 qemu_add_opts(&qemu_boot_opts);
3038 qemu_add_opts(&qemu_add_fd_opts);
3039 qemu_add_opts(&qemu_object_opts);
3040 qemu_add_opts(&qemu_tpmdev_opts);
3041 qemu_add_opts(&qemu_realtime_opts);
3042 qemu_add_opts(&qemu_overcommit_opts);
3043 qemu_add_opts(&qemu_msg_opts);
3044 qemu_add_opts(&qemu_name_opts);
3045 qemu_add_opts(&qemu_numa_opts);
3046 qemu_add_opts(&qemu_icount_opts);
3047 qemu_add_opts(&qemu_semihosting_config_opts);
3048 qemu_add_opts(&qemu_fw_cfg_opts);
3049 module_call_init(MODULE_INIT_OPTS);
3050
3051 runstate_init();
3052 postcopy_infrastructure_init();
3053 monitor_init_globals();
3054
3055 if (qcrypto_init(&err) < 0) {
3056 error_reportf_err(err, "cannot initialize crypto: ");
3057 exit(1);
3058 }
3059
3060 QLIST_INIT (&vm_change_state_head);
3061 os_setup_early_signal_handling();
3062
3063 cpu_model = NULL;
3064 snapshot = 0;
3065
3066 nb_nics = 0;
3067
3068 bdrv_init_with_whitelist();
3069
3070 autostart = 1;
3071
3072 /* first pass of option parsing */
3073 optind = 1;
3074 while (optind < argc) {
3075 if (argv[optind][0] != '-') {
3076 /* disk image */
3077 optind++;
3078 } else {
3079 const QEMUOption *popt;
3080
3081 popt = lookup_opt(argc, argv, &optarg, &optind);
3082 switch (popt->index) {
3083 case QEMU_OPTION_nouserconfig:
3084 userconfig = false;
3085 break;
3086 }
3087 }
3088 }
3089
3090 if (userconfig) {
3091 if (qemu_read_default_config_file() < 0) {
3092 exit(1);
3093 }
3094 }
3095
3096 /* second pass of option parsing */
3097 optind = 1;
3098 for(;;) {
3099 if (optind >= argc)
3100 break;
3101 if (argv[optind][0] != '-') {
3102 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3103 } else {
3104 const QEMUOption *popt;
3105
3106 popt = lookup_opt(argc, argv, &optarg, &optind);
3107 if (!(popt->arch_mask & arch_type)) {
3108 error_report("Option not supported for this target");
3109 exit(1);
3110 }
3111 switch(popt->index) {
3112 case QEMU_OPTION_cpu:
3113 /* hw initialization will check this */
3114 cpu_model = optarg;
3115 break;
3116 case QEMU_OPTION_hda:
3117 case QEMU_OPTION_hdb:
3118 case QEMU_OPTION_hdc:
3119 case QEMU_OPTION_hdd:
3120 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3121 HD_OPTS);
3122 break;
3123 case QEMU_OPTION_blockdev:
3124 {
3125 Visitor *v;
3126 BlockdevOptions_queue *bdo;
3127
3128 v = qobject_input_visitor_new_str(optarg, "driver",
3129 &error_fatal);
3130
3131 bdo = g_new(BlockdevOptions_queue, 1);
3132 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3133 &error_fatal);
3134 visit_free(v);
3135 loc_save(&bdo->loc);
3136 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3137 break;
3138 }
3139 case QEMU_OPTION_drive:
3140 if (drive_def(optarg) == NULL) {
3141 exit(1);
3142 }
3143 break;
3144 case QEMU_OPTION_set:
3145 if (qemu_set_option(optarg) != 0)
3146 exit(1);
3147 break;
3148 case QEMU_OPTION_global:
3149 if (qemu_global_option(optarg) != 0)
3150 exit(1);
3151 break;
3152 case QEMU_OPTION_mtdblock:
3153 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3154 break;
3155 case QEMU_OPTION_sd:
3156 drive_add(IF_SD, -1, optarg, SD_OPTS);
3157 break;
3158 case QEMU_OPTION_pflash:
3159 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3160 break;
3161 case QEMU_OPTION_snapshot:
3162 snapshot = 1;
3163 break;
3164 case QEMU_OPTION_numa:
3165 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3166 optarg, true);
3167 if (!opts) {
3168 exit(1);
3169 }
3170 break;
3171 case QEMU_OPTION_display:
3172 parse_display(optarg);
3173 break;
3174 case QEMU_OPTION_nographic:
3175 olist = qemu_find_opts("machine");
3176 qemu_opts_parse_noisily(olist, "graphics=off", false);
3177 nographic = true;
3178 dpy.type = DISPLAY_TYPE_NONE;
3179 break;
3180 case QEMU_OPTION_curses:
3181 #ifdef CONFIG_CURSES
3182 dpy.type = DISPLAY_TYPE_CURSES;
3183 #else
3184 error_report("curses support is disabled");
3185 exit(1);
3186 #endif
3187 break;
3188 case QEMU_OPTION_portrait:
3189 graphic_rotate = 90;
3190 break;
3191 case QEMU_OPTION_rotate:
3192 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3193 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3194 graphic_rotate != 180 && graphic_rotate != 270) {
3195 error_report("only 90, 180, 270 deg rotation is available");
3196 exit(1);
3197 }
3198 break;
3199 case QEMU_OPTION_kernel:
3200 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3201 &error_abort);
3202 break;
3203 case QEMU_OPTION_initrd:
3204 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3205 &error_abort);
3206 break;
3207 case QEMU_OPTION_append:
3208 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3209 &error_abort);
3210 break;
3211 case QEMU_OPTION_dtb:
3212 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3213 &error_abort);
3214 break;
3215 case QEMU_OPTION_cdrom:
3216 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3217 break;
3218 case QEMU_OPTION_boot:
3219 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3220 optarg, true);
3221 if (!opts) {
3222 exit(1);
3223 }
3224 break;
3225 case QEMU_OPTION_fda:
3226 case QEMU_OPTION_fdb:
3227 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3228 optarg, FD_OPTS);
3229 break;
3230 case QEMU_OPTION_no_fd_bootchk:
3231 fd_bootchk = 0;
3232 break;
3233 case QEMU_OPTION_netdev:
3234 default_net = 0;
3235 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3236 exit(1);
3237 }
3238 break;
3239 case QEMU_OPTION_nic:
3240 default_net = 0;
3241 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3242 exit(1);
3243 }
3244 break;
3245 case QEMU_OPTION_net:
3246 default_net = 0;
3247 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3248 exit(1);
3249 }
3250 break;
3251 #ifdef CONFIG_LIBISCSI
3252 case QEMU_OPTION_iscsi:
3253 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3254 optarg, false);
3255 if (!opts) {
3256 exit(1);
3257 }
3258 break;
3259 #endif
3260 case QEMU_OPTION_bt:
3261 warn_report("The bluetooth subsystem is deprecated and will "
3262 "be removed soon. If the bluetooth subsystem is "
3263 "still useful for you, please send a mail to "
3264 "qemu-devel@nongnu.org with your usecase.");
3265 add_device_config(DEV_BT, optarg);
3266 break;
3267 case QEMU_OPTION_audio_help:
3268 AUD_help ();
3269 exit (0);
3270 break;
3271 case QEMU_OPTION_soundhw:
3272 select_soundhw (optarg);
3273 break;
3274 case QEMU_OPTION_h:
3275 help(0);
3276 break;
3277 case QEMU_OPTION_version:
3278 version();
3279 exit(0);
3280 break;
3281 case QEMU_OPTION_m:
3282 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3283 optarg, true);
3284 if (!opts) {
3285 exit(EXIT_FAILURE);
3286 }
3287 break;
3288 #ifdef CONFIG_TPM
3289 case QEMU_OPTION_tpmdev:
3290 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3291 exit(1);
3292 }
3293 break;
3294 #endif
3295 case QEMU_OPTION_mempath:
3296 mem_path = optarg;
3297 break;
3298 case QEMU_OPTION_mem_prealloc:
3299 mem_prealloc = 1;
3300 break;
3301 case QEMU_OPTION_d:
3302 log_mask = optarg;
3303 break;
3304 case QEMU_OPTION_D:
3305 log_file = optarg;
3306 break;
3307 case QEMU_OPTION_DFILTER:
3308 qemu_set_dfilter_ranges(optarg, &error_fatal);
3309 break;
3310 case QEMU_OPTION_s:
3311 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3312 break;
3313 case QEMU_OPTION_gdb:
3314 add_device_config(DEV_GDB, optarg);
3315 break;
3316 case QEMU_OPTION_L:
3317 if (is_help_option(optarg)) {
3318 list_data_dirs = true;
3319 } else {
3320 qemu_add_data_dir(optarg);
3321 }
3322 break;
3323 case QEMU_OPTION_bios:
3324 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3325 &error_abort);
3326 break;
3327 case QEMU_OPTION_singlestep:
3328 singlestep = 1;
3329 break;
3330 case QEMU_OPTION_S:
3331 autostart = 0;
3332 break;
3333 case QEMU_OPTION_k:
3334 keyboard_layout = optarg;
3335 break;
3336 case QEMU_OPTION_vga:
3337 vga_model = optarg;
3338 default_vga = 0;
3339 break;
3340 case QEMU_OPTION_g:
3341 {
3342 const char *p;
3343 int w, h, depth;
3344 p = optarg;
3345 w = strtol(p, (char **)&p, 10);
3346 if (w <= 0) {
3347 graphic_error:
3348 error_report("invalid resolution or depth");
3349 exit(1);
3350 }
3351 if (*p != 'x')
3352 goto graphic_error;
3353 p++;
3354 h = strtol(p, (char **)&p, 10);
3355 if (h <= 0)
3356 goto graphic_error;
3357 if (*p == 'x') {
3358 p++;
3359 depth = strtol(p, (char **)&p, 10);
3360 if (depth != 8 && depth != 15 && depth != 16 &&
3361 depth != 24 && depth != 32)
3362 goto graphic_error;
3363 } else if (*p == '\0') {
3364 depth = graphic_depth;
3365 } else {
3366 goto graphic_error;
3367 }
3368
3369 graphic_width = w;
3370 graphic_height = h;
3371 graphic_depth = depth;
3372 }
3373 break;
3374 case QEMU_OPTION_echr:
3375 {
3376 char *r;
3377 term_escape_char = strtol(optarg, &r, 0);
3378 if (r == optarg)
3379 printf("Bad argument to echr\n");
3380 break;
3381 }
3382 case QEMU_OPTION_monitor:
3383 default_monitor = 0;
3384 if (strncmp(optarg, "none", 4)) {
3385 monitor_parse(optarg, "readline", false);
3386 }
3387 break;
3388 case QEMU_OPTION_qmp:
3389 monitor_parse(optarg, "control", false);
3390 default_monitor = 0;
3391 break;
3392 case QEMU_OPTION_qmp_pretty:
3393 monitor_parse(optarg, "control", true);
3394 default_monitor = 0;
3395 break;
3396 case QEMU_OPTION_mon:
3397 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3398 true);
3399 if (!opts) {
3400 exit(1);
3401 }
3402 default_monitor = 0;
3403 break;
3404 case QEMU_OPTION_chardev:
3405 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3406 optarg, true);
3407 if (!opts) {
3408 exit(1);
3409 }
3410 break;
3411 case QEMU_OPTION_fsdev:
3412 olist = qemu_find_opts("fsdev");
3413 if (!olist) {
3414 error_report("fsdev support is disabled");
3415 exit(1);
3416 }
3417 opts = qemu_opts_parse_noisily(olist, optarg, true);
3418 if (!opts) {
3419 exit(1);
3420 }
3421 break;
3422 case QEMU_OPTION_virtfs: {
3423 QemuOpts *fsdev;
3424 QemuOpts *device;
3425 const char *writeout, *sock_fd, *socket, *path, *security_model;
3426
3427 olist = qemu_find_opts("virtfs");
3428 if (!olist) {
3429 error_report("virtfs support is disabled");
3430 exit(1);
3431 }
3432 opts = qemu_opts_parse_noisily(olist, optarg, true);
3433 if (!opts) {
3434 exit(1);
3435 }
3436
3437 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3438 qemu_opt_get(opts, "mount_tag") == NULL) {
3439 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3440 exit(1);
3441 }
3442 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3443 qemu_opts_id(opts) ?:
3444 qemu_opt_get(opts, "mount_tag"),
3445 1, NULL);
3446 if (!fsdev) {
3447 error_report("duplicate or invalid fsdev id: %s",
3448 qemu_opt_get(opts, "mount_tag"));
3449 exit(1);
3450 }
3451
3452 writeout = qemu_opt_get(opts, "writeout");
3453 if (writeout) {
3454 #ifdef CONFIG_SYNC_FILE_RANGE
3455 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3456 #else
3457 error_report("writeout=immediate not supported "
3458 "on this platform");
3459 exit(1);
3460 #endif
3461 }
3462 qemu_opt_set(fsdev, "fsdriver",
3463 qemu_opt_get(opts, "fsdriver"), &error_abort);
3464 path = qemu_opt_get(opts, "path");
3465 if (path) {
3466 qemu_opt_set(fsdev, "path", path, &error_abort);
3467 }
3468 security_model = qemu_opt_get(opts, "security_model");
3469 if (security_model) {
3470 qemu_opt_set(fsdev, "security_model", security_model,
3471 &error_abort);
3472 }
3473 socket = qemu_opt_get(opts, "socket");
3474 if (socket) {
3475 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3476 }
3477 sock_fd = qemu_opt_get(opts, "sock_fd");
3478 if (sock_fd) {
3479 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3480 }
3481
3482 qemu_opt_set_bool(fsdev, "readonly",
3483 qemu_opt_get_bool(opts, "readonly", 0),
3484 &error_abort);
3485 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3486 &error_abort);
3487 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3488 qemu_opt_set(device, "fsdev",
3489 qemu_opts_id(fsdev), &error_abort);
3490 qemu_opt_set(device, "mount_tag",
3491 qemu_opt_get(opts, "mount_tag"), &error_abort);
3492 break;
3493 }
3494 case QEMU_OPTION_virtfs_synth: {
3495 QemuOpts *fsdev;
3496 QemuOpts *device;
3497
3498 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3499 1, NULL);
3500 if (!fsdev) {
3501 error_report("duplicate option: %s", "virtfs_synth");
3502 exit(1);
3503 }
3504 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3505
3506 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3507 &error_abort);
3508 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3509 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3510 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3511 break;
3512 }
3513 case QEMU_OPTION_serial:
3514 add_device_config(DEV_SERIAL, optarg);
3515 default_serial = 0;
3516 if (strncmp(optarg, "mon:", 4) == 0) {
3517 default_monitor = 0;
3518 }
3519 break;
3520 case QEMU_OPTION_watchdog:
3521 if (watchdog) {
3522 error_report("only one watchdog option may be given");
3523 return 1;
3524 }
3525 watchdog = optarg;
3526 break;
3527 case QEMU_OPTION_watchdog_action:
3528 if (select_watchdog_action(optarg) == -1) {
3529 error_report("unknown -watchdog-action parameter");
3530 exit(1);
3531 }
3532 break;
3533 case QEMU_OPTION_parallel:
3534 add_device_config(DEV_PARALLEL, optarg);
3535 default_parallel = 0;
3536 if (strncmp(optarg, "mon:", 4) == 0) {
3537 default_monitor = 0;
3538 }
3539 break;
3540 case QEMU_OPTION_debugcon:
3541 add_device_config(DEV_DEBUGCON, optarg);
3542 break;
3543 case QEMU_OPTION_loadvm:
3544 loadvm = optarg;
3545 break;
3546 case QEMU_OPTION_full_screen:
3547 dpy.has_full_screen = true;
3548 dpy.full_screen = true;
3549 break;
3550 case QEMU_OPTION_alt_grab:
3551 alt_grab = 1;
3552 break;
3553 case QEMU_OPTION_ctrl_grab:
3554 ctrl_grab = 1;
3555 break;
3556 case QEMU_OPTION_no_quit:
3557 dpy.has_window_close = true;
3558 dpy.window_close = false;
3559 break;
3560 case QEMU_OPTION_sdl:
3561 #ifdef CONFIG_SDL
3562 dpy.type = DISPLAY_TYPE_SDL;
3563 break;
3564 #else
3565 error_report("SDL support is disabled");
3566 exit(1);
3567 #endif
3568 case QEMU_OPTION_pidfile:
3569 pid_file = optarg;
3570 break;
3571 case QEMU_OPTION_win2k_hack:
3572 win2k_install_hack = 1;
3573 break;
3574 case QEMU_OPTION_acpitable:
3575 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3576 optarg, true);
3577 if (!opts) {
3578 exit(1);
3579 }
3580 acpi_table_add(opts, &error_fatal);
3581 break;
3582 case QEMU_OPTION_smbios:
3583 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3584 optarg, false);
3585 if (!opts) {
3586 exit(1);
3587 }
3588 smbios_entry_add(opts, &error_fatal);
3589 break;
3590 case QEMU_OPTION_fwcfg:
3591 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3592 optarg, true);
3593 if (opts == NULL) {
3594 exit(1);
3595 }
3596 break;
3597 case QEMU_OPTION_preconfig:
3598 preconfig_exit_requested = false;
3599 break;
3600 case QEMU_OPTION_enable_kvm:
3601 olist = qemu_find_opts("machine");
3602 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3603 break;
3604 case QEMU_OPTION_M:
3605 case QEMU_OPTION_machine:
3606 olist = qemu_find_opts("machine");
3607 opts = qemu_opts_parse_noisily(olist, optarg, true);
3608 if (!opts) {
3609 exit(1);
3610 }
3611 break;
3612 case QEMU_OPTION_no_kvm:
3613 olist = qemu_find_opts("machine");
3614 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3615 break;
3616 case QEMU_OPTION_accel:
3617 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3618 optarg, true);
3619 optarg = qemu_opt_get(accel_opts, "accel");
3620 if (!optarg || is_help_option(optarg)) {
3621 error_printf("Possible accelerators: kvm, xen, hax, whpx, tcg\n");
3622 exit(0);
3623 }
3624 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3625 false, &error_abort);
3626 qemu_opt_set(opts, "accel", optarg, &error_abort);
3627 break;
3628 case QEMU_OPTION_usb:
3629 olist = qemu_find_opts("machine");
3630 qemu_opts_parse_noisily(olist, "usb=on", false);
3631 break;
3632 case QEMU_OPTION_usbdevice:
3633 error_report("'-usbdevice' is deprecated, please use "
3634 "'-device usb-...' instead");
3635 olist = qemu_find_opts("machine");
3636 qemu_opts_parse_noisily(olist, "usb=on", false);
3637 add_device_config(DEV_USB, optarg);
3638 break;
3639 case QEMU_OPTION_device:
3640 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3641 optarg, true)) {
3642 exit(1);
3643 }
3644 break;
3645 case QEMU_OPTION_smp:
3646 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3647 optarg, true)) {
3648 exit(1);
3649 }
3650 break;
3651 case QEMU_OPTION_vnc:
3652 vnc_parse(optarg, &error_fatal);
3653 break;
3654 case QEMU_OPTION_no_acpi:
3655 acpi_enabled = 0;
3656 break;
3657 case QEMU_OPTION_no_hpet:
3658 no_hpet = 1;
3659 break;
3660 case QEMU_OPTION_no_reboot:
3661 no_reboot = 1;
3662 break;
3663 case QEMU_OPTION_no_shutdown:
3664 no_shutdown = 1;
3665 break;
3666 case QEMU_OPTION_show_cursor:
3667 cursor_hide = 0;
3668 break;
3669 case QEMU_OPTION_uuid:
3670 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3671 error_report("failed to parse UUID string: wrong format");
3672 exit(1);
3673 }
3674 qemu_uuid_set = true;
3675 break;
3676 case QEMU_OPTION_option_rom:
3677 if (nb_option_roms >= MAX_OPTION_ROMS) {
3678 error_report("too many option ROMs");
3679 exit(1);
3680 }
3681 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3682 optarg, true);
3683 if (!opts) {
3684 exit(1);
3685 }
3686 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3687 option_rom[nb_option_roms].bootindex =
3688 qemu_opt_get_number(opts, "bootindex", -1);
3689 if (!option_rom[nb_option_roms].name) {
3690 error_report("Option ROM file is not specified");
3691 exit(1);
3692 }
3693 nb_option_roms++;
3694 break;
3695 case QEMU_OPTION_semihosting:
3696 semihosting.enabled = true;
3697 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3698 break;
3699 case QEMU_OPTION_semihosting_config:
3700 semihosting.enabled = true;
3701 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3702 optarg, false);
3703 if (opts != NULL) {
3704 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3705 true);
3706 const char *target = qemu_opt_get(opts, "target");
3707 if (target != NULL) {
3708 if (strcmp("native", target) == 0) {
3709 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3710 } else if (strcmp("gdb", target) == 0) {
3711 semihosting.target = SEMIHOSTING_TARGET_GDB;
3712 } else if (strcmp("auto", target) == 0) {
3713 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3714 } else {
3715 error_report("unsupported semihosting-config %s",
3716 optarg);
3717 exit(1);
3718 }
3719 } else {
3720 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3721 }
3722 /* Set semihosting argument count and vector */
3723 qemu_opt_foreach(opts, add_semihosting_arg,
3724 &semihosting, NULL);
3725 } else {
3726 error_report("unsupported semihosting-config %s", optarg);
3727 exit(1);
3728 }
3729 break;
3730 case QEMU_OPTION_name:
3731 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3732 optarg, true);
3733 if (!opts) {
3734 exit(1);
3735 }
3736 break;
3737 case QEMU_OPTION_prom_env:
3738 if (nb_prom_envs >= MAX_PROM_ENVS) {
3739 error_report("too many prom variables");
3740 exit(1);
3741 }
3742 prom_envs[nb_prom_envs] = optarg;
3743 nb_prom_envs++;
3744 break;
3745 case QEMU_OPTION_old_param:
3746 old_param = 1;
3747 break;
3748 case QEMU_OPTION_rtc:
3749 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3750 false);
3751 if (!opts) {
3752 exit(1);
3753 }
3754 break;
3755 case QEMU_OPTION_tb_size:
3756 #ifndef CONFIG_TCG
3757 error_report("TCG is disabled");
3758 exit(1);
3759 #endif
3760 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3761 error_report("Invalid argument to -tb-size");
3762 exit(1);
3763 }
3764 break;
3765 case QEMU_OPTION_icount:
3766 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3767 optarg, true);
3768 if (!icount_opts) {
3769 exit(1);
3770 }
3771 break;
3772 case QEMU_OPTION_incoming:
3773 if (!incoming) {
3774 runstate_set(RUN_STATE_INMIGRATE);
3775 }
3776 incoming = optarg;
3777 break;
3778 case QEMU_OPTION_only_migratable:
3779 /*
3780 * TODO: we can remove this option one day, and we
3781 * should all use:
3782 *
3783 * "-global migration.only-migratable=true"
3784 */
3785 qemu_global_option("migration.only-migratable=true");
3786 break;
3787 case QEMU_OPTION_nodefaults:
3788 has_defaults = 0;
3789 break;
3790 case QEMU_OPTION_xen_domid:
3791 if (!(xen_available())) {
3792 error_report("Option not supported for this target");
3793 exit(1);
3794 }
3795 xen_domid = atoi(optarg);
3796 break;
3797 case QEMU_OPTION_xen_attach:
3798 if (!(xen_available())) {
3799 error_report("Option not supported for this target");
3800 exit(1);
3801 }
3802 xen_mode = XEN_ATTACH;
3803 break;
3804 case QEMU_OPTION_xen_domid_restrict:
3805 if (!(xen_available())) {
3806 error_report("Option not supported for this target");
3807 exit(1);
3808 }
3809 xen_domid_restrict = true;
3810 break;
3811 case QEMU_OPTION_trace:
3812 g_free(trace_file);
3813 trace_file = trace_opt_parse(optarg);
3814 break;
3815 case QEMU_OPTION_trace_unassigned:
3816 trace_unassigned = true;
3817 break;
3818 case QEMU_OPTION_readconfig:
3819 {
3820 int ret = qemu_read_config_file(optarg);
3821 if (ret < 0) {
3822 error_report("read config %s: %s", optarg,
3823 strerror(-ret));
3824 exit(1);
3825 }
3826 break;
3827 }
3828 case QEMU_OPTION_spice:
3829 olist = qemu_find_opts("spice");
3830 if (!olist) {
3831 error_report("spice support is disabled");
3832 exit(1);
3833 }
3834 opts = qemu_opts_parse_noisily(olist, optarg, false);
3835 if (!opts) {
3836 exit(1);
3837 }
3838 display_remote++;
3839 break;
3840 case QEMU_OPTION_writeconfig:
3841 {
3842 FILE *fp;
3843 if (strcmp(optarg, "-") == 0) {
3844 fp = stdout;
3845 } else {
3846 fp = fopen(optarg, "w");
3847 if (fp == NULL) {
3848 error_report("open %s: %s", optarg,
3849 strerror(errno));
3850 exit(1);
3851 }
3852 }
3853 qemu_config_write(fp);
3854 if (fp != stdout) {
3855 fclose(fp);
3856 }
3857 break;
3858 }
3859 case QEMU_OPTION_qtest:
3860 qtest_chrdev = optarg;
3861 break;
3862 case QEMU_OPTION_qtest_log:
3863 qtest_log = optarg;
3864 break;
3865 case QEMU_OPTION_sandbox:
3866 #ifdef CONFIG_SECCOMP
3867 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3868 optarg, true);
3869 if (!opts) {
3870 exit(1);
3871 }
3872 #else
3873 error_report("-sandbox support is not enabled "
3874 "in this QEMU binary");
3875 exit(1);
3876 #endif
3877 break;
3878 case QEMU_OPTION_add_fd:
3879 #ifndef _WIN32
3880 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3881 optarg, false);
3882 if (!opts) {
3883 exit(1);
3884 }
3885 #else
3886 error_report("File descriptor passing is disabled on this "
3887 "platform");
3888 exit(1);
3889 #endif
3890 break;
3891 case QEMU_OPTION_object:
3892 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3893 optarg, true);
3894 if (!opts) {
3895 exit(1);
3896 }
3897 break;
3898 case QEMU_OPTION_realtime:
3899 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3900 optarg, false);
3901 if (!opts) {
3902 exit(1);
3903 }
3904 /* Don't override the -overcommit option if set */
3905 enable_mlock = enable_mlock ||
3906 qemu_opt_get_bool(opts, "mlock", true);
3907 break;
3908 case QEMU_OPTION_overcommit:
3909 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3910 optarg, false);
3911 if (!opts) {
3912 exit(1);
3913 }
3914 /* Don't override the -realtime option if set */
3915 enable_mlock = enable_mlock ||
3916 qemu_opt_get_bool(opts, "mem-lock", false);
3917 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3918 break;
3919 case QEMU_OPTION_msg:
3920 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3921 false);
3922 if (!opts) {
3923 exit(1);
3924 }
3925 configure_msg(opts);
3926 break;
3927 case QEMU_OPTION_dump_vmstate:
3928 if (vmstate_dump_file) {
3929 error_report("only one '-dump-vmstate' "
3930 "option may be given");
3931 exit(1);
3932 }
3933 vmstate_dump_file = fopen(optarg, "w");
3934 if (vmstate_dump_file == NULL) {
3935 error_report("open %s: %s", optarg, strerror(errno));
3936 exit(1);
3937 }
3938 break;
3939 case QEMU_OPTION_enable_sync_profile:
3940 qsp_enable();
3941 break;
3942 case QEMU_OPTION_nouserconfig:
3943 /* Nothing to be parsed here. Especially, do not error out below. */
3944 break;
3945 default:
3946 if (os_parse_cmd_args(popt->index, optarg)) {
3947 error_report("Option not supported in this build");
3948 exit(1);
3949 }
3950 }
3951 }
3952 }
3953 /*
3954 * Clear error location left behind by the loop.
3955 * Best done right after the loop. Do not insert code here!
3956 */
3957 loc_set_none();
3958
3959 replay_configure(icount_opts);
3960
3961 if (incoming && !preconfig_exit_requested) {
3962 error_report("'preconfig' and 'incoming' options are "
3963 "mutually exclusive");
3964 exit(EXIT_FAILURE);
3965 }
3966
3967 configure_rtc(qemu_find_opts_singleton("rtc"));
3968
3969 machine_class = select_machine();
3970
3971 set_memory_options(&ram_slots, &maxram_size, machine_class);
3972
3973 os_daemonize();
3974 rcu_disable_atfork();
3975
3976 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3977 error_reportf_err(err, "cannot create PID file: ");
3978 exit(1);
3979 }
3980
3981 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3982 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3983
3984 if (qemu_init_main_loop(&main_loop_err)) {
3985 error_report_err(main_loop_err);
3986 exit(1);
3987 }
3988
3989 #ifdef CONFIG_SECCOMP
3990 olist = qemu_find_opts_err("sandbox", NULL);
3991 if (olist) {
3992 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
3993 }
3994 #endif
3995
3996 qemu_opts_foreach(qemu_find_opts("name"),
3997 parse_name, NULL, &error_fatal);
3998
3999 #ifndef _WIN32
4000 qemu_opts_foreach(qemu_find_opts("add-fd"),
4001 parse_add_fd, NULL, &error_fatal);
4002
4003 qemu_opts_foreach(qemu_find_opts("add-fd"),
4004 cleanup_add_fd, NULL, &error_fatal);
4005 #endif
4006
4007 current_machine = MACHINE(object_new(object_class_get_name(
4008 OBJECT_CLASS(machine_class))));
4009 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4010 exit(0);
4011 }
4012 object_property_add_child(object_get_root(), "machine",
4013 OBJECT(current_machine), &error_abort);
4014
4015 if (machine_class->minimum_page_bits) {
4016 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4017 /* This would be a board error: specifying a minimum smaller than
4018 * a target's compile-time fixed setting.
4019 */
4020 g_assert_not_reached();
4021 }
4022 }
4023
4024 cpu_exec_init_all();
4025
4026 if (machine_class->hw_version) {
4027 qemu_set_hw_version(machine_class->hw_version);
4028 }
4029
4030 if (cpu_model && is_help_option(cpu_model)) {
4031 list_cpus(stdout, &fprintf, cpu_model);
4032 exit(0);
4033 }
4034
4035 if (!trace_init_backends()) {
4036 exit(1);
4037 }
4038 trace_init_file(trace_file);
4039
4040 /* Open the logfile at this point and set the log mask if necessary.
4041 */
4042 if (log_file) {
4043 qemu_set_log_filename(log_file, &error_fatal);
4044 }
4045
4046 if (log_mask) {
4047 int mask;
4048 mask = qemu_str_to_log_mask(log_mask);
4049 if (!mask) {
4050 qemu_print_log_usage(stdout);
4051 exit(1);
4052 }
4053 qemu_set_log(mask);
4054 } else {
4055 qemu_set_log(0);
4056 }
4057
4058 /* add configured firmware directories */
4059 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4060 for (i = 0; dirs[i] != NULL; i++) {
4061 qemu_add_data_dir(dirs[i]);
4062 }
4063 g_strfreev(dirs);
4064
4065 /* try to find datadir relative to the executable path */
4066 dir = os_find_datadir();
4067 qemu_add_data_dir(dir);
4068 g_free(dir);
4069
4070 /* add the datadir specified when building */
4071 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4072
4073 /* -L help lists the data directories and exits. */
4074 if (list_data_dirs) {
4075 for (i = 0; i < data_dir_idx; i++) {
4076 printf("%s\n", data_dir[i]);
4077 }
4078 exit(0);
4079 }
4080
4081 /* machine_class: default to UP */
4082 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4083 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4084 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4085
4086 /* default to machine_class->default_cpus */
4087 smp_cpus = machine_class->default_cpus;
4088 max_cpus = machine_class->default_cpus;
4089
4090 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4091
4092 /* sanity-check smp_cpus and max_cpus against machine_class */
4093 if (smp_cpus < machine_class->min_cpus) {
4094 error_report("Invalid SMP CPUs %d. The min CPUs "
4095 "supported by machine '%s' is %d", smp_cpus,
4096 machine_class->name, machine_class->min_cpus);
4097 exit(1);
4098 }
4099 if (max_cpus > machine_class->max_cpus) {
4100 error_report("Invalid SMP CPUs %d. The max CPUs "
4101 "supported by machine '%s' is %d", max_cpus,
4102 machine_class->name, machine_class->max_cpus);
4103 exit(1);
4104 }
4105
4106 /*
4107 * Get the default machine options from the machine if it is not already
4108 * specified either by the configuration file or by the command line.
4109 */
4110 if (machine_class->default_machine_opts) {
4111 qemu_opts_set_defaults(qemu_find_opts("machine"),
4112 machine_class->default_machine_opts, 0);
4113 }
4114
4115 qemu_opts_foreach(qemu_find_opts("device"),
4116 default_driver_check, NULL, NULL);
4117 qemu_opts_foreach(qemu_find_opts("global"),
4118 default_driver_check, NULL, NULL);
4119
4120 if (!vga_model && !default_vga) {
4121 vga_interface_type = VGA_DEVICE;
4122 }
4123 if (!has_defaults || machine_class->no_serial) {
4124 default_serial = 0;
4125 }
4126 if (!has_defaults || machine_class->no_parallel) {
4127 default_parallel = 0;
4128 }
4129 if (!has_defaults || machine_class->no_floppy) {
4130 default_floppy = 0;
4131 }
4132 if (!has_defaults || machine_class->no_cdrom) {
4133 default_cdrom = 0;
4134 }
4135 if (!has_defaults || machine_class->no_sdcard) {
4136 default_sdcard = 0;
4137 }
4138 if (!has_defaults) {
4139 default_monitor = 0;
4140 default_net = 0;
4141 default_vga = 0;
4142 }
4143
4144 if (is_daemonized()) {
4145 if (!preconfig_exit_requested) {
4146 error_report("'preconfig' and 'daemonize' options are "
4147 "mutually exclusive");
4148 exit(EXIT_FAILURE);
4149 }
4150
4151 /* According to documentation and historically, -nographic redirects
4152 * serial port, parallel port and monitor to stdio, which does not work
4153 * with -daemonize. We can redirect these to null instead, but since
4154 * -nographic is legacy, let's just error out.
4155 * We disallow -nographic only if all other ports are not redirected
4156 * explicitly, to not break existing legacy setups which uses
4157 * -nographic _and_ redirects all ports explicitly - this is valid
4158 * usage, -nographic is just a no-op in this case.
4159 */
4160 if (nographic
4161 && (default_parallel || default_serial || default_monitor)) {
4162 error_report("-nographic cannot be used with -daemonize");
4163 exit(1);
4164 }
4165 #ifdef CONFIG_CURSES
4166 if (dpy.type == DISPLAY_TYPE_CURSES) {
4167 error_report("curses display cannot be used with -daemonize");
4168 exit(1);
4169 }
4170 #endif
4171 }
4172
4173 if (nographic) {
4174 if (default_parallel)
4175 add_device_config(DEV_PARALLEL, "null");
4176 if (default_serial && default_monitor) {
4177 add_device_config(DEV_SERIAL, "mon:stdio");
4178 } else {
4179 if (default_serial)
4180 add_device_config(DEV_SERIAL, "stdio");
4181 if (default_monitor)
4182 monitor_parse("stdio", "readline", false);
4183 }
4184 } else {
4185 if (default_serial)
4186 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4187 if (default_parallel)
4188 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4189 if (default_monitor)
4190 monitor_parse("vc:80Cx24C", "readline", false);
4191 }
4192
4193 #if defined(CONFIG_VNC)
4194 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4195 display_remote++;
4196 }
4197 #endif
4198 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4199 if (!qemu_display_find_default(&dpy)) {
4200 dpy.type = DISPLAY_TYPE_NONE;
4201 #if defined(CONFIG_VNC)
4202 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4203 #endif
4204 }
4205 }
4206 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4207 dpy.type = DISPLAY_TYPE_NONE;
4208 }
4209
4210 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4211 error_report("-alt-grab and -ctrl-grab are only valid "
4212 "for SDL, ignoring option");
4213 }
4214 if (dpy.has_window_close &&
4215 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4216 error_report("-no-quit is only valid for GTK and SDL, "
4217 "ignoring option");
4218 }
4219
4220 qemu_display_early_init(&dpy);
4221 qemu_console_early_init();
4222
4223 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4224 #if defined(CONFIG_OPENGL)
4225 error_report("OpenGL is not supported by the display");
4226 #else
4227 error_report("OpenGL support is disabled");
4228 #endif
4229 exit(1);
4230 }
4231
4232 page_size_init();
4233 socket_init();
4234
4235 qemu_opts_foreach(qemu_find_opts("object"),
4236 user_creatable_add_opts_foreach,
4237 object_create_initial, &error_fatal);
4238
4239 qemu_opts_foreach(qemu_find_opts("chardev"),
4240 chardev_init_func, NULL, &error_fatal);
4241
4242 #ifdef CONFIG_VIRTFS
4243 qemu_opts_foreach(qemu_find_opts("fsdev"),
4244 fsdev_init_func, NULL, &error_fatal);
4245 #endif
4246
4247 if (qemu_opts_foreach(qemu_find_opts("device"),
4248 device_help_func, NULL, NULL)) {
4249 exit(0);
4250 }
4251
4252 machine_opts = qemu_get_machine_opts();
4253 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4254 &error_fatal);
4255
4256 configure_accelerator(current_machine, argv[0]);
4257
4258 if (!qtest_enabled() && machine_class->deprecation_reason) {
4259 error_report("Machine type '%s' is deprecated: %s",
4260 machine_class->name, machine_class->deprecation_reason);
4261 }
4262
4263 /*
4264 * Register all the global properties, including accel properties,
4265 * machine properties, and user-specified ones.
4266 */
4267 register_global_properties(current_machine);
4268
4269 /*
4270 * Migration object can only be created after global properties
4271 * are applied correctly.
4272 */
4273 migration_object_init();
4274
4275 if (qtest_chrdev) {
4276 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4277 }
4278
4279 machine_opts = qemu_get_machine_opts();
4280 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4281 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4282 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4283 bios_name = qemu_opt_get(machine_opts, "firmware");
4284
4285 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4286 if (opts) {
4287 boot_order = qemu_opt_get(opts, "order");
4288 if (boot_order) {
4289 validate_bootdevices(boot_order, &error_fatal);
4290 }
4291
4292 boot_once = qemu_opt_get(opts, "once");
4293 if (boot_once) {
4294 validate_bootdevices(boot_once, &error_fatal);
4295 }
4296
4297 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4298 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4299 }
4300
4301 if (!boot_order) {
4302 boot_order = machine_class->default_boot_order;
4303 }
4304
4305 if (!kernel_cmdline) {
4306 kernel_cmdline = "";
4307 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4308 }
4309
4310 linux_boot = (kernel_filename != NULL);
4311
4312 if (!linux_boot && *kernel_cmdline != '\0') {
4313 error_report("-append only allowed with -kernel option");
4314 exit(1);
4315 }
4316
4317 if (!linux_boot && initrd_filename != NULL) {
4318 error_report("-initrd only allowed with -kernel option");
4319 exit(1);
4320 }
4321
4322 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4323 /* fall back to the -kernel/-append */
4324 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4325 }
4326
4327 os_set_line_buffering();
4328
4329 /* spice needs the timers to be initialized by this point */
4330 qemu_spice_init();
4331
4332 cpu_ticks_init();
4333 if (icount_opts) {
4334 if (!tcg_enabled()) {
4335 error_report("-icount is not allowed with hardware virtualization");
4336 exit(1);
4337 }
4338 configure_icount(icount_opts, &error_abort);
4339 qemu_opts_del(icount_opts);
4340 }
4341
4342 if (tcg_enabled()) {
4343 qemu_tcg_configure(accel_opts, &error_fatal);
4344 }
4345
4346 if (default_net) {
4347 QemuOptsList *net = qemu_find_opts("net");
4348 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4349 #ifdef CONFIG_SLIRP
4350 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4351 #endif
4352 }
4353
4354 if (net_init_clients(&err) < 0) {
4355 error_report_err(err);
4356 exit(1);
4357 }
4358
4359 qemu_opts_foreach(qemu_find_opts("object"),
4360 user_creatable_add_opts_foreach,
4361 object_create_delayed, &error_fatal);
4362
4363 tpm_init();
4364
4365 /* init the bluetooth world */
4366 if (foreach_device_config(DEV_BT, bt_parse))
4367 exit(1);
4368
4369 if (!xen_enabled()) {
4370 /* On 32-bit hosts, QEMU is limited by virtual address space */
4371 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4372 error_report("at most 2047 MB RAM can be simulated");
4373 exit(1);
4374 }
4375 }
4376
4377 blk_mig_init();
4378 ram_mig_init();
4379 dirty_bitmap_mig_init();
4380
4381 /* If the currently selected machine wishes to override the units-per-bus
4382 * property of its default HBA interface type, do so now. */
4383 if (machine_class->units_per_default_bus) {
4384 override_max_devs(machine_class->block_default_type,
4385 machine_class->units_per_default_bus);
4386 }
4387
4388 /* open the virtual block devices */
4389 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4390 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4391
4392 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4393 loc_push_restore(&bdo->loc);
4394 qmp_blockdev_add(bdo->bdo, &error_fatal);
4395 loc_pop(&bdo->loc);
4396 qapi_free_BlockdevOptions(bdo->bdo);
4397 g_free(bdo);
4398 }
4399 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4400 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4401 NULL, NULL);
4402 }
4403 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4404 &machine_class->block_default_type, &error_fatal)) {
4405 /* We printed help */
4406 exit(0);
4407 }
4408
4409 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4410 CDROM_OPTS);
4411 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4412 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4413
4414 qemu_opts_foreach(qemu_find_opts("mon"),
4415 mon_init_func, NULL, &error_fatal);
4416
4417 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4418 exit(1);
4419 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4420 exit(1);
4421 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4422 exit(1);
4423
4424 /* If no default VGA is requested, the default is "none". */
4425 if (default_vga) {
4426 if (machine_class->default_display) {
4427 vga_model = machine_class->default_display;
4428 } else if (vga_interface_available(VGA_CIRRUS)) {
4429 vga_model = "cirrus";
4430 } else if (vga_interface_available(VGA_STD)) {
4431 vga_model = "std";
4432 }
4433 }
4434 if (vga_model) {
4435 select_vgahw(vga_model);
4436 }
4437
4438 if (watchdog) {
4439 i = select_watchdog(watchdog);
4440 if (i > 0)
4441 exit (i == 1 ? 1 : 0);
4442 }
4443
4444 /* This checkpoint is required by replay to separate prior clock
4445 reading from the other reads, because timer polling functions query
4446 clock values from the log. */
4447 replay_checkpoint(CHECKPOINT_INIT);
4448 qdev_machine_init();
4449
4450 current_machine->ram_size = ram_size;
4451 current_machine->maxram_size = maxram_size;
4452 current_machine->ram_slots = ram_slots;
4453 current_machine->boot_order = boot_order;
4454
4455 /* parse features once if machine provides default cpu_type */
4456 current_machine->cpu_type = machine_class->default_cpu_type;
4457 if (cpu_model) {
4458 current_machine->cpu_type = parse_cpu_model(cpu_model);
4459 }
4460 parse_numa_opts(current_machine);
4461
4462 /* do monitor/qmp handling at preconfig state if requested */
4463 main_loop();
4464
4465 /* from here on runstate is RUN_STATE_PRELAUNCH */
4466 machine_run_board_init(current_machine);
4467
4468 realtime_init();
4469
4470 soundhw_init();
4471
4472 if (hax_enabled()) {
4473 hax_sync_vcpus();
4474 }
4475
4476 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4477 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4478
4479 /* init USB devices */
4480 if (machine_usb(current_machine)) {
4481 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4482 exit(1);
4483 }
4484
4485 /* Check if IGD GFX passthrough. */
4486 igd_gfx_passthru();
4487
4488 /* init generic devices */
4489 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4490 qemu_opts_foreach(qemu_find_opts("device"),
4491 device_init_func, NULL, &error_fatal);
4492
4493 cpu_synchronize_all_post_init();
4494
4495 rom_reset_order_override();
4496
4497 /* Did we create any drives that we failed to create a device for? */
4498 drive_check_orphaned();
4499
4500 /* Don't warn about the default network setup that you get if
4501 * no command line -net or -netdev options are specified. There
4502 * are two cases that we would otherwise complain about:
4503 * (1) board doesn't support a NIC but the implicit "-net nic"
4504 * requested one
4505 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4506 * sets up a nic that isn't connected to anything.
4507 */
4508 if (!default_net && (!qtest_enabled() || has_defaults)) {
4509 net_check_clients();
4510 }
4511
4512 if (boot_once) {
4513 qemu_boot_set(boot_once, &error_fatal);
4514 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4515 }
4516
4517 /* init local displays */
4518 ds = init_displaystate();
4519 qemu_display_init(ds, &dpy);
4520
4521 /* must be after terminal init, SDL library changes signal handlers */
4522 os_setup_signal_handling();
4523
4524 /* init remote displays */
4525 #ifdef CONFIG_VNC
4526 qemu_opts_foreach(qemu_find_opts("vnc"),
4527 vnc_init_func, NULL, &error_fatal);
4528 #endif
4529
4530 if (using_spice) {
4531 qemu_spice_display_init();
4532 }
4533
4534 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4535 exit(1);
4536 }
4537
4538 qdev_machine_creation_done();
4539
4540 /* TODO: once all bus devices are qdevified, this should be done
4541 * when bus is created by qdev.c */
4542 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4543 qemu_run_machine_init_done_notifiers();
4544
4545 if (rom_check_and_register_reset() != 0) {
4546 error_report("rom check and register reset failed");
4547 exit(1);
4548 }
4549
4550 replay_start();
4551
4552 /* This checkpoint is required by replay to separate prior clock
4553 reading from the other reads, because timer polling functions query
4554 clock values from the log. */
4555 replay_checkpoint(CHECKPOINT_RESET);
4556 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4557 register_global_state();
4558 if (loadvm) {
4559 Error *local_err = NULL;
4560 if (load_snapshot(loadvm, &local_err) < 0) {
4561 error_report_err(local_err);
4562 autostart = 0;
4563 exit(1);
4564 }
4565 }
4566 if (replay_mode != REPLAY_MODE_NONE) {
4567 replay_vmstate_init();
4568 }
4569
4570 qdev_prop_check_globals();
4571 if (vmstate_dump_file) {
4572 /* dump and exit */
4573 dump_vmstate_json_to_file(vmstate_dump_file);
4574 return 0;
4575 }
4576
4577 if (incoming) {
4578 Error *local_err = NULL;
4579 qemu_start_incoming_migration(incoming, &local_err);
4580 if (local_err) {
4581 error_reportf_err(local_err, "-incoming %s: ", incoming);
4582 exit(1);
4583 }
4584 } else if (autostart) {
4585 vm_start();
4586 }
4587
4588 accel_setup_post(current_machine);
4589 os_setup_post();
4590
4591 main_loop();
4592
4593 gdbserver_cleanup();
4594
4595 /* No more vcpu or device emulation activity beyond this point */
4596 vm_shutdown();
4597
4598 job_cancel_sync_all();
4599 bdrv_close_all();
4600
4601 res_free();
4602
4603 /* vhost-user must be cleaned up before chardevs. */
4604 tpm_cleanup();
4605 net_cleanup();
4606 audio_cleanup();
4607 monitor_cleanup();
4608 qemu_chr_cleanup();
4609 user_creatable_cleanup();
4610 migration_object_finalize();
4611 /* TODO: unref root container, check all devices are ok */
4612
4613 return 0;
4614 }
AR7 emulation for QEMU