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block/iscsi: Restrict Linux-specific code
[qemu/ar7.git] / vl.c
blob4a350de5cd19a9ae0018774dd9af58f6c604c875
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/firmware/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109 #include "trace-root.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/arch_init.h"
113
114 #include "ui/qemu-spice.h"
115 #include "qapi/string-input-visitor.h"
116 #include "qapi/opts-visitor.h"
117 #include "qapi/clone-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "exec/semihost.h"
120 #include "crypto/init.h"
121 #include "sysemu/replay.h"
122 #include "qapi/qapi-events-run-state.h"
123 #include "qapi/qapi-visit-block-core.h"
124 #include "qapi/qapi-visit-ui.h"
125 #include "qapi/qapi-commands-block-core.h"
126 #include "qapi/qapi-commands-misc.h"
127 #include "qapi/qapi-commands-run-state.h"
128 #include "qapi/qapi-commands-ui.h"
129 #include "qapi/qmp/qerror.h"
130 #include "sysemu/iothread.h"
131
132 #define MAX_VIRTIO_CONSOLES 1
133
134 static const char *data_dir[16];
135 static int data_dir_idx;
136 const char *bios_name = NULL;
137 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
138 int display_opengl;
139 const char* keyboard_layout = NULL;
140 ram_addr_t ram_size;
141 const char *mem_path = NULL;
142 int mem_prealloc = 0; /* force preallocation of physical target memory */
143 bool enable_mlock = false;
144 bool enable_cpu_pm = false;
145 int nb_nics;
146 NICInfo nd_table[MAX_NICS];
147 int autostart;
148 static enum {
149 RTC_BASE_UTC,
150 RTC_BASE_LOCALTIME,
151 RTC_BASE_DATETIME,
152 } rtc_base_type = RTC_BASE_UTC;
153 static time_t rtc_ref_start_datetime;
154 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
155 static int rtc_host_datetime_offset = -1; /* valid & used only with
156 RTC_BASE_DATETIME */
157 QEMUClockType rtc_clock;
158 int vga_interface_type = VGA_NONE;
159 static DisplayOptions dpy;
160 static int num_serial_hds;
161 static Chardev **serial_hds;
162 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
163 int win2k_install_hack = 0;
164 int singlestep = 0;
165 int smp_cpus;
166 unsigned int max_cpus;
167 int smp_cores = 1;
168 int smp_threads = 1;
169 int acpi_enabled = 1;
170 int no_hpet = 0;
171 int fd_bootchk = 1;
172 static int no_reboot;
173 int no_shutdown = 0;
174 int cursor_hide = 1;
175 int graphic_rotate = 0;
176 const char *watchdog;
177 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
178 int nb_option_roms;
179 int old_param = 0;
180 const char *qemu_name;
181 int alt_grab = 0;
182 int ctrl_grab = 0;
183 unsigned int nb_prom_envs = 0;
184 const char *prom_envs[MAX_PROM_ENVS];
185 int boot_menu;
186 bool boot_strict;
187 uint8_t *boot_splash_filedata;
188 size_t boot_splash_filedata_size;
189 bool wakeup_suspend_enabled;
190
191 int icount_align_option;
192
193 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
195 */
196 QemuUUID qemu_uuid;
197 bool qemu_uuid_set;
198
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
201
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
204
205 bool xen_allowed;
206 uint32_t xen_domid;
207 enum xen_mode xen_mode = XEN_EMULATE;
208 bool xen_domid_restrict;
209
210 static int has_defaults = 1;
211 static int default_serial = 1;
212 static int default_parallel = 1;
213 static int default_monitor = 1;
214 static int default_floppy = 1;
215 static int default_cdrom = 1;
216 static int default_sdcard = 1;
217 static int default_vga = 1;
218 static int default_net = 1;
219
220 static struct {
221 const char *driver;
222 int *flag;
223 } default_list[] = {
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "floppy", .flag = &default_floppy },
228 { .driver = "ide-cd", .flag = &default_cdrom },
229 { .driver = "ide-hd", .flag = &default_cdrom },
230 { .driver = "ide-drive", .flag = &default_cdrom },
231 { .driver = "scsi-cd", .flag = &default_cdrom },
232 { .driver = "scsi-hd", .flag = &default_cdrom },
233 { .driver = "VGA", .flag = &default_vga },
234 { .driver = "isa-vga", .flag = &default_vga },
235 { .driver = "cirrus-vga", .flag = &default_vga },
236 { .driver = "isa-cirrus-vga", .flag = &default_vga },
237 { .driver = "vmware-svga", .flag = &default_vga },
238 { .driver = "qxl-vga", .flag = &default_vga },
239 { .driver = "virtio-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .merge_lists = true,
246 .desc = {
247 {
248 .name = "base",
249 .type = QEMU_OPT_STRING,
250 },{
251 .name = "clock",
252 .type = QEMU_OPT_STRING,
253 },{
254 .name = "driftfix",
255 .type = QEMU_OPT_STRING,
256 },
257 { /* end of list */ }
258 },
259 };
260
261 static QemuOptsList qemu_option_rom_opts = {
262 .name = "option-rom",
263 .implied_opt_name = "romfile",
264 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
265 .desc = {
266 {
267 .name = "bootindex",
268 .type = QEMU_OPT_NUMBER,
269 }, {
270 .name = "romfile",
271 .type = QEMU_OPT_STRING,
272 },
273 { /* end of list */ }
274 },
275 };
276
277 static QemuOptsList qemu_machine_opts = {
278 .name = "machine",
279 .implied_opt_name = "type",
280 .merge_lists = true,
281 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
282 .desc = {
283 /*
284 * no elements => accept any
285 * sanity checking will happen later
286 * when setting machine properties
287 */
288 { }
289 },
290 };
291
292 static QemuOptsList qemu_accel_opts = {
293 .name = "accel",
294 .implied_opt_name = "accel",
295 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
296 .merge_lists = true,
297 .desc = {
298 {
299 .name = "accel",
300 .type = QEMU_OPT_STRING,
301 .help = "Select the type of accelerator",
302 },
303 {
304 .name = "thread",
305 .type = QEMU_OPT_STRING,
306 .help = "Enable/disable multi-threaded TCG",
307 },
308 { /* end of list */ }
309 },
310 };
311
312 static QemuOptsList qemu_boot_opts = {
313 .name = "boot-opts",
314 .implied_opt_name = "order",
315 .merge_lists = true,
316 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
317 .desc = {
318 {
319 .name = "order",
320 .type = QEMU_OPT_STRING,
321 }, {
322 .name = "once",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "menu",
326 .type = QEMU_OPT_BOOL,
327 }, {
328 .name = "splash",
329 .type = QEMU_OPT_STRING,
330 }, {
331 .name = "splash-time",
332 .type = QEMU_OPT_NUMBER,
333 }, {
334 .name = "reboot-timeout",
335 .type = QEMU_OPT_NUMBER,
336 }, {
337 .name = "strict",
338 .type = QEMU_OPT_BOOL,
339 },
340 { /*End of list */ }
341 },
342 };
343
344 static QemuOptsList qemu_add_fd_opts = {
345 .name = "add-fd",
346 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
347 .desc = {
348 {
349 .name = "fd",
350 .type = QEMU_OPT_NUMBER,
351 .help = "file descriptor of which a duplicate is added to fd set",
352 },{
353 .name = "set",
354 .type = QEMU_OPT_NUMBER,
355 .help = "ID of the fd set to add fd to",
356 },{
357 .name = "opaque",
358 .type = QEMU_OPT_STRING,
359 .help = "free-form string used to describe fd",
360 },
361 { /* end of list */ }
362 },
363 };
364
365 static QemuOptsList qemu_object_opts = {
366 .name = "object",
367 .implied_opt_name = "qom-type",
368 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
369 .desc = {
370 { }
371 },
372 };
373
374 static QemuOptsList qemu_tpmdev_opts = {
375 .name = "tpmdev",
376 .implied_opt_name = "type",
377 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
378 .desc = {
379 /* options are defined in the TPM backends */
380 { /* end of list */ }
381 },
382 };
383
384 static QemuOptsList qemu_realtime_opts = {
385 .name = "realtime",
386 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
387 .desc = {
388 {
389 .name = "mlock",
390 .type = QEMU_OPT_BOOL,
391 },
392 { /* end of list */ }
393 },
394 };
395
396 static QemuOptsList qemu_overcommit_opts = {
397 .name = "overcommit",
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
399 .desc = {
400 {
401 .name = "mem-lock",
402 .type = QEMU_OPT_BOOL,
403 },
404 {
405 .name = "cpu-pm",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_msg_opts = {
413 .name = "msg",
414 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
415 .desc = {
416 {
417 .name = "timestamp",
418 .type = QEMU_OPT_BOOL,
419 },
420 { /* end of list */ }
421 },
422 };
423
424 static QemuOptsList qemu_name_opts = {
425 .name = "name",
426 .implied_opt_name = "guest",
427 .merge_lists = true,
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
429 .desc = {
430 {
431 .name = "guest",
432 .type = QEMU_OPT_STRING,
433 .help = "Sets the name of the guest.\n"
434 "This name will be displayed in the SDL window caption.\n"
435 "The name will also be used for the VNC server",
436 }, {
437 .name = "process",
438 .type = QEMU_OPT_STRING,
439 .help = "Sets the name of the QEMU process, as shown in top etc",
440 }, {
441 .name = "debug-threads",
442 .type = QEMU_OPT_BOOL,
443 .help = "When enabled, name the individual threads; defaults off.\n"
444 "NOTE: The thread names are for debugging and not a\n"
445 "stable API.",
446 },
447 { /* End of list */ }
448 },
449 };
450
451 static QemuOptsList qemu_mem_opts = {
452 .name = "memory",
453 .implied_opt_name = "size",
454 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
455 .merge_lists = true,
456 .desc = {
457 {
458 .name = "size",
459 .type = QEMU_OPT_SIZE,
460 },
461 {
462 .name = "slots",
463 .type = QEMU_OPT_NUMBER,
464 },
465 {
466 .name = "maxmem",
467 .type = QEMU_OPT_SIZE,
468 },
469 { /* end of list */ }
470 },
471 };
472
473 static QemuOptsList qemu_icount_opts = {
474 .name = "icount",
475 .implied_opt_name = "shift",
476 .merge_lists = true,
477 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
478 .desc = {
479 {
480 .name = "shift",
481 .type = QEMU_OPT_STRING,
482 }, {
483 .name = "align",
484 .type = QEMU_OPT_BOOL,
485 }, {
486 .name = "sleep",
487 .type = QEMU_OPT_BOOL,
488 }, {
489 .name = "rr",
490 .type = QEMU_OPT_STRING,
491 }, {
492 .name = "rrfile",
493 .type = QEMU_OPT_STRING,
494 }, {
495 .name = "rrsnapshot",
496 .type = QEMU_OPT_STRING,
497 },
498 { /* end of list */ }
499 },
500 };
501
502 static QemuOptsList qemu_semihosting_config_opts = {
503 .name = "semihosting-config",
504 .implied_opt_name = "enable",
505 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
506 .desc = {
507 {
508 .name = "enable",
509 .type = QEMU_OPT_BOOL,
510 }, {
511 .name = "target",
512 .type = QEMU_OPT_STRING,
513 }, {
514 .name = "arg",
515 .type = QEMU_OPT_STRING,
516 },
517 { /* end of list */ }
518 },
519 };
520
521 static QemuOptsList qemu_fw_cfg_opts = {
522 .name = "fw_cfg",
523 .implied_opt_name = "name",
524 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
525 .desc = {
526 {
527 .name = "name",
528 .type = QEMU_OPT_STRING,
529 .help = "Sets the fw_cfg name of the blob to be inserted",
530 }, {
531 .name = "file",
532 .type = QEMU_OPT_STRING,
533 .help = "Sets the name of the file from which "
534 "the fw_cfg blob will be loaded",
535 }, {
536 .name = "string",
537 .type = QEMU_OPT_STRING,
538 .help = "Sets content of the blob to be inserted from a string",
539 },
540 { /* end of list */ }
541 },
542 };
543
544 /**
545 * Get machine options
546 *
547 * Returns: machine options (never null).
548 */
549 QemuOpts *qemu_get_machine_opts(void)
550 {
551 return qemu_find_opts_singleton("machine");
552 }
553
554 const char *qemu_get_vm_name(void)
555 {
556 return qemu_name;
557 }
558
559 static void res_free(void)
560 {
561 g_free(boot_splash_filedata);
562 boot_splash_filedata = NULL;
563 }
564
565 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
566 {
567 const char *driver = qemu_opt_get(opts, "driver");
568 int i;
569
570 if (!driver)
571 return 0;
572 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
573 if (strcmp(default_list[i].driver, driver) != 0)
574 continue;
575 *(default_list[i].flag) = 0;
576 }
577 return 0;
578 }
579
580 /***********************************************************/
581 /* QEMU state */
582
583 static RunState current_run_state = RUN_STATE_PRECONFIG;
584
585 /* We use RUN_STATE__MAX but any invalid value will do */
586 static RunState vmstop_requested = RUN_STATE__MAX;
587 static QemuMutex vmstop_lock;
588
589 typedef struct {
590 RunState from;
591 RunState to;
592 } RunStateTransition;
593
594 static const RunStateTransition runstate_transitions_def[] = {
595 /* from -> to */
596 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
597 /* Early switch to inmigrate state to allow -incoming CLI option work
598 * as it used to. TODO: delay actual switching to inmigrate state to
599 * the point after machine is built and remove this hack.
600 */
601 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
602
603 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
604 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
605 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
606
607 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
608 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
609 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
610 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
611 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
612 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
613 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
614 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
615 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
617 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
618 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
619
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
621 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
622 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
623
624 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
625 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
627
628 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
629 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
631 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
632 { RUN_STATE_PAUSED, RUN_STATE_COLO},
633
634 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
635 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
636 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
637
638 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
639 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
641
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
644 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
645 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
646 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
647
648 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
649 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
650
651 { RUN_STATE_COLO, RUN_STATE_RUNNING },
652
653 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
654 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
655 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
656 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
657 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
658 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
659 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
660 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
661 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
662 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
663 { RUN_STATE_RUNNING, RUN_STATE_COLO},
664
665 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
666
667 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
668 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
669 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
670
671 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
672 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
673 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
674 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
675 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
676 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
677
678 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
679 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
680 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
681 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
682
683 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
684 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
685 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
686
687 { RUN_STATE__MAX, RUN_STATE__MAX },
688 };
689
690 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
691
692 bool runstate_check(RunState state)
693 {
694 return current_run_state == state;
695 }
696
697 bool runstate_store(char *str, size_t size)
698 {
699 const char *state = RunState_str(current_run_state);
700 size_t len = strlen(state) + 1;
701
702 if (len > size) {
703 return false;
704 }
705 memcpy(str, state, len);
706 return true;
707 }
708
709 static void runstate_init(void)
710 {
711 const RunStateTransition *p;
712
713 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
714 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
715 runstate_valid_transitions[p->from][p->to] = true;
716 }
717
718 qemu_mutex_init(&vmstop_lock);
719 }
720
721 /* This function will abort() on invalid state transitions */
722 void runstate_set(RunState new_state)
723 {
724 assert(new_state < RUN_STATE__MAX);
725
726 trace_runstate_set(current_run_state, RunState_str(current_run_state),
727 new_state, RunState_str(current_run_state));
728
729 if (current_run_state == new_state) {
730 return;
731 }
732
733 if (!runstate_valid_transitions[current_run_state][new_state]) {
734 error_report("invalid runstate transition: '%s' -> '%s'",
735 RunState_str(current_run_state),
736 RunState_str(new_state));
737 abort();
738 }
739
740 current_run_state = new_state;
741 }
742
743 int runstate_is_running(void)
744 {
745 return runstate_check(RUN_STATE_RUNNING);
746 }
747
748 bool runstate_needs_reset(void)
749 {
750 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
751 runstate_check(RUN_STATE_SHUTDOWN);
752 }
753
754 StatusInfo *qmp_query_status(Error **errp)
755 {
756 StatusInfo *info = g_malloc0(sizeof(*info));
757
758 info->running = runstate_is_running();
759 info->singlestep = singlestep;
760 info->status = current_run_state;
761
762 return info;
763 }
764
765 bool qemu_vmstop_requested(RunState *r)
766 {
767 qemu_mutex_lock(&vmstop_lock);
768 *r = vmstop_requested;
769 vmstop_requested = RUN_STATE__MAX;
770 qemu_mutex_unlock(&vmstop_lock);
771 return *r < RUN_STATE__MAX;
772 }
773
774 void qemu_system_vmstop_request_prepare(void)
775 {
776 qemu_mutex_lock(&vmstop_lock);
777 }
778
779 void qemu_system_vmstop_request(RunState state)
780 {
781 vmstop_requested = state;
782 qemu_mutex_unlock(&vmstop_lock);
783 qemu_notify_event();
784 }
785
786 /***********************************************************/
787 /* RTC reference time/date access */
788 static time_t qemu_ref_timedate(QEMUClockType clock)
789 {
790 time_t value = qemu_clock_get_ms(clock) / 1000;
791 switch (clock) {
792 case QEMU_CLOCK_REALTIME:
793 value -= rtc_realtime_clock_offset;
794 /* no break */
795 case QEMU_CLOCK_VIRTUAL:
796 value += rtc_ref_start_datetime;
797 break;
798 case QEMU_CLOCK_HOST:
799 if (rtc_base_type == RTC_BASE_DATETIME) {
800 value -= rtc_host_datetime_offset;
801 }
802 break;
803 default:
804 assert(0);
805 }
806 return value;
807 }
808
809 void qemu_get_timedate(struct tm *tm, int offset)
810 {
811 time_t ti = qemu_ref_timedate(rtc_clock);
812
813 ti += offset;
814
815 switch (rtc_base_type) {
816 case RTC_BASE_DATETIME:
817 case RTC_BASE_UTC:
818 gmtime_r(&ti, tm);
819 break;
820 case RTC_BASE_LOCALTIME:
821 localtime_r(&ti, tm);
822 break;
823 }
824 }
825
826 int qemu_timedate_diff(struct tm *tm)
827 {
828 time_t seconds;
829
830 switch (rtc_base_type) {
831 case RTC_BASE_DATETIME:
832 case RTC_BASE_UTC:
833 seconds = mktimegm(tm);
834 break;
835 case RTC_BASE_LOCALTIME:
836 {
837 struct tm tmp = *tm;
838 tmp.tm_isdst = -1; /* use timezone to figure it out */
839 seconds = mktime(&tmp);
840 break;
841 }
842 default:
843 abort();
844 }
845
846 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
847 }
848
849 static void configure_rtc_base_datetime(const char *startdate)
850 {
851 time_t rtc_start_datetime;
852 struct tm tm;
853
854 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
855 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
856 /* OK */
857 } else if (sscanf(startdate, "%d-%d-%d",
858 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
859 tm.tm_hour = 0;
860 tm.tm_min = 0;
861 tm.tm_sec = 0;
862 } else {
863 goto date_fail;
864 }
865 tm.tm_year -= 1900;
866 tm.tm_mon--;
867 rtc_start_datetime = mktimegm(&tm);
868 if (rtc_start_datetime == -1) {
869 date_fail:
870 error_report("invalid datetime format");
871 error_printf("valid formats: "
872 "'2006-06-17T16:01:21' or '2006-06-17'\n");
873 exit(1);
874 }
875 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
876 rtc_ref_start_datetime = rtc_start_datetime;
877 }
878
879 static void configure_rtc(QemuOpts *opts)
880 {
881 const char *value;
882
883 /* Set defaults */
884 rtc_clock = QEMU_CLOCK_HOST;
885 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
886 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
887
888 value = qemu_opt_get(opts, "base");
889 if (value) {
890 if (!strcmp(value, "utc")) {
891 rtc_base_type = RTC_BASE_UTC;
892 } else if (!strcmp(value, "localtime")) {
893 Error *blocker = NULL;
894 rtc_base_type = RTC_BASE_LOCALTIME;
895 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
896 "-rtc base=localtime");
897 replay_add_blocker(blocker);
898 } else {
899 rtc_base_type = RTC_BASE_DATETIME;
900 configure_rtc_base_datetime(value);
901 }
902 }
903 value = qemu_opt_get(opts, "clock");
904 if (value) {
905 if (!strcmp(value, "host")) {
906 rtc_clock = QEMU_CLOCK_HOST;
907 } else if (!strcmp(value, "rt")) {
908 rtc_clock = QEMU_CLOCK_REALTIME;
909 } else if (!strcmp(value, "vm")) {
910 rtc_clock = QEMU_CLOCK_VIRTUAL;
911 } else {
912 error_report("invalid option value '%s'", value);
913 exit(1);
914 }
915 }
916 value = qemu_opt_get(opts, "driftfix");
917 if (value) {
918 if (!strcmp(value, "slew")) {
919 static GlobalProperty slew_lost_ticks = {
920 .driver = "mc146818rtc",
921 .property = "lost_tick_policy",
922 .value = "slew",
923 };
924
925 qdev_prop_register_global(&slew_lost_ticks);
926 } else if (!strcmp(value, "none")) {
927 /* discard is default */
928 } else {
929 error_report("invalid option value '%s'", value);
930 exit(1);
931 }
932 }
933 }
934
935 /***********************************************************/
936 /* Bluetooth support */
937 static int nb_hcis;
938 static int cur_hci;
939 static struct HCIInfo *hci_table[MAX_NICS];
940
941 struct HCIInfo *qemu_next_hci(void)
942 {
943 if (cur_hci == nb_hcis)
944 return &null_hci;
945
946 return hci_table[cur_hci++];
947 }
948
949 static int bt_hci_parse(const char *str)
950 {
951 struct HCIInfo *hci;
952 bdaddr_t bdaddr;
953
954 if (nb_hcis >= MAX_NICS) {
955 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
956 return -1;
957 }
958
959 hci = hci_init(str);
960 if (!hci)
961 return -1;
962
963 bdaddr.b[0] = 0x52;
964 bdaddr.b[1] = 0x54;
965 bdaddr.b[2] = 0x00;
966 bdaddr.b[3] = 0x12;
967 bdaddr.b[4] = 0x34;
968 bdaddr.b[5] = 0x56 + nb_hcis;
969 hci->bdaddr_set(hci, bdaddr.b);
970
971 hci_table[nb_hcis++] = hci;
972
973 return 0;
974 }
975
976 static void bt_vhci_add(int vlan_id)
977 {
978 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
979
980 if (!vlan->slave)
981 warn_report("adding a VHCI to an empty scatternet %i",
982 vlan_id);
983
984 bt_vhci_init(bt_new_hci(vlan));
985 }
986
987 static struct bt_device_s *bt_device_add(const char *opt)
988 {
989 struct bt_scatternet_s *vlan;
990 int vlan_id = 0;
991 char *endp = strstr(opt, ",vlan=");
992 int len = (endp ? endp - opt : strlen(opt)) + 1;
993 char devname[10];
994
995 pstrcpy(devname, MIN(sizeof(devname), len), opt);
996
997 if (endp) {
998 vlan_id = strtol(endp + 6, &endp, 0);
999 if (*endp) {
1000 error_report("unrecognised bluetooth vlan Id");
1001 return 0;
1002 }
1003 }
1004
1005 vlan = qemu_find_bt_vlan(vlan_id);
1006
1007 if (!vlan->slave)
1008 warn_report("adding a slave device to an empty scatternet %i",
1009 vlan_id);
1010
1011 if (!strcmp(devname, "keyboard"))
1012 return bt_keyboard_init(vlan);
1013
1014 error_report("unsupported bluetooth device '%s'", devname);
1015 return 0;
1016 }
1017
1018 static int bt_parse(const char *opt)
1019 {
1020 const char *endp, *p;
1021 int vlan;
1022
1023 if (strstart(opt, "hci", &endp)) {
1024 if (!*endp || *endp == ',') {
1025 if (*endp)
1026 if (!strstart(endp, ",vlan=", 0))
1027 opt = endp + 1;
1028
1029 return bt_hci_parse(opt);
1030 }
1031 } else if (strstart(opt, "vhci", &endp)) {
1032 if (!*endp || *endp == ',') {
1033 if (*endp) {
1034 if (strstart(endp, ",vlan=", &p)) {
1035 vlan = strtol(p, (char **) &endp, 0);
1036 if (*endp) {
1037 error_report("bad scatternet '%s'", p);
1038 return 1;
1039 }
1040 } else {
1041 error_report("bad parameter '%s'", endp + 1);
1042 return 1;
1043 }
1044 } else
1045 vlan = 0;
1046
1047 bt_vhci_add(vlan);
1048 return 0;
1049 }
1050 } else if (strstart(opt, "device:", &endp))
1051 return !bt_device_add(endp);
1052
1053 error_report("bad bluetooth parameter '%s'", opt);
1054 return 1;
1055 }
1056
1057 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1058 {
1059 const char *proc_name;
1060
1061 if (qemu_opt_get(opts, "debug-threads")) {
1062 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1063 }
1064 qemu_name = qemu_opt_get(opts, "guest");
1065
1066 proc_name = qemu_opt_get(opts, "process");
1067 if (proc_name) {
1068 os_set_proc_name(proc_name);
1069 }
1070
1071 return 0;
1072 }
1073
1074 bool defaults_enabled(void)
1075 {
1076 return has_defaults;
1077 }
1078
1079 #ifndef _WIN32
1080 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1081 {
1082 int fd, dupfd, flags;
1083 int64_t fdset_id;
1084 const char *fd_opaque = NULL;
1085 AddfdInfo *fdinfo;
1086
1087 fd = qemu_opt_get_number(opts, "fd", -1);
1088 fdset_id = qemu_opt_get_number(opts, "set", -1);
1089 fd_opaque = qemu_opt_get(opts, "opaque");
1090
1091 if (fd < 0) {
1092 error_setg(errp, "fd option is required and must be non-negative");
1093 return -1;
1094 }
1095
1096 if (fd <= STDERR_FILENO) {
1097 error_setg(errp, "fd cannot be a standard I/O stream");
1098 return -1;
1099 }
1100
1101 /*
1102 * All fds inherited across exec() necessarily have FD_CLOEXEC
1103 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1104 */
1105 flags = fcntl(fd, F_GETFD);
1106 if (flags == -1 || (flags & FD_CLOEXEC)) {
1107 error_setg(errp, "fd is not valid or already in use");
1108 return -1;
1109 }
1110
1111 if (fdset_id < 0) {
1112 error_setg(errp, "set option is required and must be non-negative");
1113 return -1;
1114 }
1115
1116 #ifdef F_DUPFD_CLOEXEC
1117 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1118 #else
1119 dupfd = dup(fd);
1120 if (dupfd != -1) {
1121 qemu_set_cloexec(dupfd);
1122 }
1123 #endif
1124 if (dupfd == -1) {
1125 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1126 return -1;
1127 }
1128
1129 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1130 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1131 &error_abort);
1132 g_free(fdinfo);
1133
1134 return 0;
1135 }
1136
1137 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1138 {
1139 int fd;
1140
1141 fd = qemu_opt_get_number(opts, "fd", -1);
1142 close(fd);
1143
1144 return 0;
1145 }
1146 #endif
1147
1148 /***********************************************************/
1149 /* QEMU Block devices */
1150
1151 #define HD_OPTS "media=disk"
1152 #define CDROM_OPTS "media=cdrom"
1153 #define FD_OPTS ""
1154 #define PFLASH_OPTS ""
1155 #define MTD_OPTS ""
1156 #define SD_OPTS ""
1157
1158 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1159 {
1160 BlockInterfaceType *block_default_type = opaque;
1161
1162 return drive_new(opts, *block_default_type, errp) == NULL;
1163 }
1164
1165 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1166 {
1167 if (qemu_opt_get(opts, "snapshot") == NULL) {
1168 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1169 }
1170 return 0;
1171 }
1172
1173 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1174 int index, const char *optstr)
1175 {
1176 QemuOpts *opts;
1177 DriveInfo *dinfo;
1178
1179 if (!enable || drive_get_by_index(type, index)) {
1180 return;
1181 }
1182
1183 opts = drive_add(type, index, NULL, optstr);
1184 if (snapshot) {
1185 drive_enable_snapshot(NULL, opts, NULL);
1186 }
1187
1188 dinfo = drive_new(opts, type, &error_abort);
1189 dinfo->is_default = true;
1190
1191 }
1192
1193 static QemuOptsList qemu_smp_opts = {
1194 .name = "smp-opts",
1195 .implied_opt_name = "cpus",
1196 .merge_lists = true,
1197 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1198 .desc = {
1199 {
1200 .name = "cpus",
1201 .type = QEMU_OPT_NUMBER,
1202 }, {
1203 .name = "sockets",
1204 .type = QEMU_OPT_NUMBER,
1205 }, {
1206 .name = "cores",
1207 .type = QEMU_OPT_NUMBER,
1208 }, {
1209 .name = "threads",
1210 .type = QEMU_OPT_NUMBER,
1211 }, {
1212 .name = "maxcpus",
1213 .type = QEMU_OPT_NUMBER,
1214 },
1215 { /*End of list */ }
1216 },
1217 };
1218
1219 static void smp_parse(QemuOpts *opts)
1220 {
1221 if (opts) {
1222 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1223 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1224 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1225 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1226
1227 /* compute missing values, prefer sockets over cores over threads */
1228 if (cpus == 0 || sockets == 0) {
1229 cores = cores > 0 ? cores : 1;
1230 threads = threads > 0 ? threads : 1;
1231 if (cpus == 0) {
1232 sockets = sockets > 0 ? sockets : 1;
1233 cpus = cores * threads * sockets;
1234 } else {
1235 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1236 sockets = max_cpus / (cores * threads);
1237 }
1238 } else if (cores == 0) {
1239 threads = threads > 0 ? threads : 1;
1240 cores = cpus / (sockets * threads);
1241 cores = cores > 0 ? cores : 1;
1242 } else if (threads == 0) {
1243 threads = cpus / (cores * sockets);
1244 threads = threads > 0 ? threads : 1;
1245 } else if (sockets * cores * threads < cpus) {
1246 error_report("cpu topology: "
1247 "sockets (%u) * cores (%u) * threads (%u) < "
1248 "smp_cpus (%u)",
1249 sockets, cores, threads, cpus);
1250 exit(1);
1251 }
1252
1253 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1254
1255 if (max_cpus < cpus) {
1256 error_report("maxcpus must be equal to or greater than smp");
1257 exit(1);
1258 }
1259
1260 if (sockets * cores * threads > max_cpus) {
1261 error_report("cpu topology: "
1262 "sockets (%u) * cores (%u) * threads (%u) > "
1263 "maxcpus (%u)",
1264 sockets, cores, threads, max_cpus);
1265 exit(1);
1266 }
1267
1268 if (sockets * cores * threads != max_cpus) {
1269 warn_report("Invalid CPU topology deprecated: "
1270 "sockets (%u) * cores (%u) * threads (%u) "
1271 "!= maxcpus (%u)",
1272 sockets, cores, threads, max_cpus);
1273 }
1274
1275 smp_cpus = cpus;
1276 smp_cores = cores;
1277 smp_threads = threads;
1278 }
1279
1280 if (smp_cpus > 1) {
1281 Error *blocker = NULL;
1282 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1283 replay_add_blocker(blocker);
1284 }
1285 }
1286
1287 static void realtime_init(void)
1288 {
1289 if (enable_mlock) {
1290 if (os_mlock() < 0) {
1291 error_report("locking memory failed");
1292 exit(1);
1293 }
1294 }
1295 }
1296
1297
1298 static void configure_msg(QemuOpts *opts)
1299 {
1300 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1301 }
1302
1303 /***********************************************************/
1304 /* Semihosting */
1305
1306 typedef struct SemihostingConfig {
1307 bool enabled;
1308 SemihostingTarget target;
1309 const char **argv;
1310 int argc;
1311 const char *cmdline; /* concatenated argv */
1312 } SemihostingConfig;
1313
1314 static SemihostingConfig semihosting;
1315
1316 bool semihosting_enabled(void)
1317 {
1318 return semihosting.enabled;
1319 }
1320
1321 SemihostingTarget semihosting_get_target(void)
1322 {
1323 return semihosting.target;
1324 }
1325
1326 const char *semihosting_get_arg(int i)
1327 {
1328 if (i >= semihosting.argc) {
1329 return NULL;
1330 }
1331 return semihosting.argv[i];
1332 }
1333
1334 int semihosting_get_argc(void)
1335 {
1336 return semihosting.argc;
1337 }
1338
1339 const char *semihosting_get_cmdline(void)
1340 {
1341 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1342 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1343 }
1344 return semihosting.cmdline;
1345 }
1346
1347 static int add_semihosting_arg(void *opaque,
1348 const char *name, const char *val,
1349 Error **errp)
1350 {
1351 SemihostingConfig *s = opaque;
1352 if (strcmp(name, "arg") == 0) {
1353 s->argc++;
1354 /* one extra element as g_strjoinv() expects NULL-terminated array */
1355 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1356 s->argv[s->argc - 1] = val;
1357 s->argv[s->argc] = NULL;
1358 }
1359 return 0;
1360 }
1361
1362 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1363 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1364 {
1365 char *cmd_token;
1366
1367 /* argv[0] */
1368 add_semihosting_arg(&semihosting, "arg", file, NULL);
1369
1370 /* split -append and initialize argv[1..n] */
1371 cmd_token = strtok(g_strdup(cmd), " ");
1372 while (cmd_token) {
1373 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1374 cmd_token = strtok(NULL, " ");
1375 }
1376 }
1377
1378 /* Now we still need this for compatibility with XEN. */
1379 bool has_igd_gfx_passthru;
1380 static void igd_gfx_passthru(void)
1381 {
1382 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1383 }
1384
1385 /***********************************************************/
1386 /* USB devices */
1387
1388 static int usb_device_add(const char *devname)
1389 {
1390 USBDevice *dev = NULL;
1391
1392 if (!machine_usb(current_machine)) {
1393 return -1;
1394 }
1395
1396 dev = usbdevice_create(devname);
1397 if (!dev)
1398 return -1;
1399
1400 return 0;
1401 }
1402
1403 static int usb_parse(const char *cmdline)
1404 {
1405 int r;
1406 r = usb_device_add(cmdline);
1407 if (r < 0) {
1408 error_report("could not add USB device '%s'", cmdline);
1409 }
1410 return r;
1411 }
1412
1413 /***********************************************************/
1414 /* machine registration */
1415
1416 MachineState *current_machine;
1417
1418 static MachineClass *find_machine(const char *name)
1419 {
1420 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1421 MachineClass *mc = NULL;
1422
1423 for (el = machines; el; el = el->next) {
1424 MachineClass *temp = el->data;
1425
1426 if (!strcmp(temp->name, name)) {
1427 mc = temp;
1428 break;
1429 }
1430 if (temp->alias &&
1431 !strcmp(temp->alias, name)) {
1432 mc = temp;
1433 break;
1434 }
1435 }
1436
1437 g_slist_free(machines);
1438 return mc;
1439 }
1440
1441 MachineClass *find_default_machine(void)
1442 {
1443 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1444 MachineClass *mc = NULL;
1445
1446 for (el = machines; el; el = el->next) {
1447 MachineClass *temp = el->data;
1448
1449 if (temp->is_default) {
1450 mc = temp;
1451 break;
1452 }
1453 }
1454
1455 g_slist_free(machines);
1456 return mc;
1457 }
1458
1459 MachineInfoList *qmp_query_machines(Error **errp)
1460 {
1461 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1462 MachineInfoList *mach_list = NULL;
1463
1464 for (el = machines; el; el = el->next) {
1465 MachineClass *mc = el->data;
1466 MachineInfoList *entry;
1467 MachineInfo *info;
1468
1469 info = g_malloc0(sizeof(*info));
1470 if (mc->is_default) {
1471 info->has_is_default = true;
1472 info->is_default = true;
1473 }
1474
1475 if (mc->alias) {
1476 info->has_alias = true;
1477 info->alias = g_strdup(mc->alias);
1478 }
1479
1480 info->name = g_strdup(mc->name);
1481 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1482 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1483
1484 entry = g_malloc0(sizeof(*entry));
1485 entry->value = info;
1486 entry->next = mach_list;
1487 mach_list = entry;
1488 }
1489
1490 g_slist_free(machines);
1491 return mach_list;
1492 }
1493
1494 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1495 {
1496 ObjectProperty *prop;
1497 ObjectPropertyIterator iter;
1498
1499 if (!qemu_opt_has_help_opt(opts)) {
1500 return 0;
1501 }
1502
1503 object_property_iter_init(&iter, OBJECT(machine));
1504 while ((prop = object_property_iter_next(&iter))) {
1505 if (!prop->set) {
1506 continue;
1507 }
1508
1509 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1510 prop->name, prop->type);
1511 if (prop->description) {
1512 error_printf(" (%s)\n", prop->description);
1513 } else {
1514 error_printf("\n");
1515 }
1516 }
1517
1518 return 1;
1519 }
1520
1521 struct vm_change_state_entry {
1522 VMChangeStateHandler *cb;
1523 void *opaque;
1524 QLIST_ENTRY (vm_change_state_entry) entries;
1525 };
1526
1527 static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head;
1528
1529 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1530 void *opaque)
1531 {
1532 VMChangeStateEntry *e;
1533
1534 e = g_malloc0(sizeof (*e));
1535
1536 e->cb = cb;
1537 e->opaque = opaque;
1538 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1539 return e;
1540 }
1541
1542 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1543 {
1544 QLIST_REMOVE (e, entries);
1545 g_free (e);
1546 }
1547
1548 void vm_state_notify(int running, RunState state)
1549 {
1550 VMChangeStateEntry *e, *next;
1551
1552 trace_vm_state_notify(running, state, RunState_str(state));
1553
1554 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1555 e->cb(e->opaque, running, state);
1556 }
1557 }
1558
1559 static ShutdownCause reset_requested;
1560 static ShutdownCause shutdown_requested;
1561 static int shutdown_signal;
1562 static pid_t shutdown_pid;
1563 static int powerdown_requested;
1564 static int debug_requested;
1565 static int suspend_requested;
1566 static bool preconfig_exit_requested = true;
1567 static WakeupReason wakeup_reason;
1568 static NotifierList powerdown_notifiers =
1569 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1570 static NotifierList suspend_notifiers =
1571 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1572 static NotifierList wakeup_notifiers =
1573 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1574 static NotifierList shutdown_notifiers =
1575 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1576 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1577
1578 ShutdownCause qemu_shutdown_requested_get(void)
1579 {
1580 return shutdown_requested;
1581 }
1582
1583 ShutdownCause qemu_reset_requested_get(void)
1584 {
1585 return reset_requested;
1586 }
1587
1588 static int qemu_shutdown_requested(void)
1589 {
1590 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1591 }
1592
1593 static void qemu_kill_report(void)
1594 {
1595 if (!qtest_driver() && shutdown_signal) {
1596 if (shutdown_pid == 0) {
1597 /* This happens for eg ^C at the terminal, so it's worth
1598 * avoiding printing an odd message in that case.
1599 */
1600 error_report("terminating on signal %d", shutdown_signal);
1601 } else {
1602 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1603
1604 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1605 shutdown_signal, shutdown_pid,
1606 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1607 g_free(shutdown_cmd);
1608 }
1609 shutdown_signal = 0;
1610 }
1611 }
1612
1613 static ShutdownCause qemu_reset_requested(void)
1614 {
1615 ShutdownCause r = reset_requested;
1616
1617 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1618 reset_requested = SHUTDOWN_CAUSE_NONE;
1619 return r;
1620 }
1621 return SHUTDOWN_CAUSE_NONE;
1622 }
1623
1624 static int qemu_suspend_requested(void)
1625 {
1626 int r = suspend_requested;
1627 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1628 suspend_requested = 0;
1629 return r;
1630 }
1631 return false;
1632 }
1633
1634 static WakeupReason qemu_wakeup_requested(void)
1635 {
1636 return wakeup_reason;
1637 }
1638
1639 static int qemu_powerdown_requested(void)
1640 {
1641 int r = powerdown_requested;
1642 powerdown_requested = 0;
1643 return r;
1644 }
1645
1646 static int qemu_debug_requested(void)
1647 {
1648 int r = debug_requested;
1649 debug_requested = 0;
1650 return r;
1651 }
1652
1653 void qemu_exit_preconfig_request(void)
1654 {
1655 preconfig_exit_requested = true;
1656 }
1657
1658 /*
1659 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1660 */
1661 void qemu_system_reset(ShutdownCause reason)
1662 {
1663 MachineClass *mc;
1664
1665 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1666
1667 cpu_synchronize_all_states();
1668
1669 if (mc && mc->reset) {
1670 mc->reset();
1671 } else {
1672 qemu_devices_reset();
1673 }
1674 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1675 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1676 }
1677 cpu_synchronize_all_post_reset();
1678 }
1679
1680 void qemu_system_guest_panicked(GuestPanicInformation *info)
1681 {
1682 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1683
1684 if (current_cpu) {
1685 current_cpu->crash_occurred = true;
1686 }
1687 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1688 !!info, info);
1689 vm_stop(RUN_STATE_GUEST_PANICKED);
1690 if (!no_shutdown) {
1691 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1692 !!info, info);
1693 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1694 }
1695
1696 if (info) {
1697 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1698 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1699 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1700 info->u.hyper_v.arg1,
1701 info->u.hyper_v.arg2,
1702 info->u.hyper_v.arg3,
1703 info->u.hyper_v.arg4,
1704 info->u.hyper_v.arg5);
1705 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1706 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1707 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1708 info->u.s390.core,
1709 S390CrashReason_str(info->u.s390.reason),
1710 info->u.s390.psw_mask,
1711 info->u.s390.psw_addr);
1712 }
1713 qapi_free_GuestPanicInformation(info);
1714 }
1715 }
1716
1717 void qemu_system_reset_request(ShutdownCause reason)
1718 {
1719 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1720 shutdown_requested = reason;
1721 } else {
1722 reset_requested = reason;
1723 }
1724 cpu_stop_current();
1725 qemu_notify_event();
1726 }
1727
1728 static void qemu_system_suspend(void)
1729 {
1730 pause_all_vcpus();
1731 notifier_list_notify(&suspend_notifiers, NULL);
1732 runstate_set(RUN_STATE_SUSPENDED);
1733 qapi_event_send_suspend();
1734 }
1735
1736 void qemu_system_suspend_request(void)
1737 {
1738 if (runstate_check(RUN_STATE_SUSPENDED)) {
1739 return;
1740 }
1741 suspend_requested = 1;
1742 cpu_stop_current();
1743 qemu_notify_event();
1744 }
1745
1746 void qemu_register_suspend_notifier(Notifier *notifier)
1747 {
1748 notifier_list_add(&suspend_notifiers, notifier);
1749 }
1750
1751 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1752 {
1753 trace_system_wakeup_request(reason);
1754
1755 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1756 error_setg(errp,
1757 "Unable to wake up: guest is not in suspended state");
1758 return;
1759 }
1760 if (!(wakeup_reason_mask & (1 << reason))) {
1761 return;
1762 }
1763 runstate_set(RUN_STATE_RUNNING);
1764 wakeup_reason = reason;
1765 qemu_notify_event();
1766 }
1767
1768 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1769 {
1770 if (enabled) {
1771 wakeup_reason_mask |= (1 << reason);
1772 } else {
1773 wakeup_reason_mask &= ~(1 << reason);
1774 }
1775 }
1776
1777 void qemu_register_wakeup_notifier(Notifier *notifier)
1778 {
1779 notifier_list_add(&wakeup_notifiers, notifier);
1780 }
1781
1782 void qemu_register_wakeup_support(void)
1783 {
1784 wakeup_suspend_enabled = true;
1785 }
1786
1787 bool qemu_wakeup_suspend_enabled(void)
1788 {
1789 return wakeup_suspend_enabled;
1790 }
1791
1792 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1793 {
1794 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1795 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1796
1797 return params;
1798 }
1799
1800 void qemu_system_killed(int signal, pid_t pid)
1801 {
1802 shutdown_signal = signal;
1803 shutdown_pid = pid;
1804 no_shutdown = 0;
1805
1806 /* Cannot call qemu_system_shutdown_request directly because
1807 * we are in a signal handler.
1808 */
1809 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1810 qemu_notify_event();
1811 }
1812
1813 void qemu_system_shutdown_request(ShutdownCause reason)
1814 {
1815 trace_qemu_system_shutdown_request(reason);
1816 replay_shutdown_request(reason);
1817 shutdown_requested = reason;
1818 qemu_notify_event();
1819 }
1820
1821 static void qemu_system_powerdown(void)
1822 {
1823 qapi_event_send_powerdown();
1824 notifier_list_notify(&powerdown_notifiers, NULL);
1825 }
1826
1827 static void qemu_system_shutdown(ShutdownCause cause)
1828 {
1829 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1830 notifier_list_notify(&shutdown_notifiers, &cause);
1831 }
1832
1833 void qemu_system_powerdown_request(void)
1834 {
1835 trace_qemu_system_powerdown_request();
1836 powerdown_requested = 1;
1837 qemu_notify_event();
1838 }
1839
1840 void qemu_register_powerdown_notifier(Notifier *notifier)
1841 {
1842 notifier_list_add(&powerdown_notifiers, notifier);
1843 }
1844
1845 void qemu_register_shutdown_notifier(Notifier *notifier)
1846 {
1847 notifier_list_add(&shutdown_notifiers, notifier);
1848 }
1849
1850 void qemu_system_debug_request(void)
1851 {
1852 debug_requested = 1;
1853 qemu_notify_event();
1854 }
1855
1856 static bool main_loop_should_exit(void)
1857 {
1858 RunState r;
1859 ShutdownCause request;
1860
1861 if (preconfig_exit_requested) {
1862 if (runstate_check(RUN_STATE_PRECONFIG)) {
1863 runstate_set(RUN_STATE_PRELAUNCH);
1864 }
1865 preconfig_exit_requested = false;
1866 return true;
1867 }
1868 if (qemu_debug_requested()) {
1869 vm_stop(RUN_STATE_DEBUG);
1870 }
1871 if (qemu_suspend_requested()) {
1872 qemu_system_suspend();
1873 }
1874 request = qemu_shutdown_requested();
1875 if (request) {
1876 qemu_kill_report();
1877 qemu_system_shutdown(request);
1878 if (no_shutdown) {
1879 vm_stop(RUN_STATE_SHUTDOWN);
1880 } else {
1881 return true;
1882 }
1883 }
1884 request = qemu_reset_requested();
1885 if (request) {
1886 pause_all_vcpus();
1887 qemu_system_reset(request);
1888 resume_all_vcpus();
1889 if (!runstate_check(RUN_STATE_RUNNING) &&
1890 !runstate_check(RUN_STATE_INMIGRATE)) {
1891 runstate_set(RUN_STATE_PRELAUNCH);
1892 }
1893 }
1894 if (qemu_wakeup_requested()) {
1895 pause_all_vcpus();
1896 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1897 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1898 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1899 resume_all_vcpus();
1900 qapi_event_send_wakeup();
1901 }
1902 if (qemu_powerdown_requested()) {
1903 qemu_system_powerdown();
1904 }
1905 if (qemu_vmstop_requested(&r)) {
1906 vm_stop(r);
1907 }
1908 return false;
1909 }
1910
1911 static void main_loop(void)
1912 {
1913 #ifdef CONFIG_PROFILER
1914 int64_t ti;
1915 #endif
1916 while (!main_loop_should_exit()) {
1917 #ifdef CONFIG_PROFILER
1918 ti = profile_getclock();
1919 #endif
1920 main_loop_wait(false);
1921 #ifdef CONFIG_PROFILER
1922 dev_time += profile_getclock() - ti;
1923 #endif
1924 }
1925 }
1926
1927 static void version(void)
1928 {
1929 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1930 QEMU_COPYRIGHT "\n");
1931 }
1932
1933 static void help(int exitcode)
1934 {
1935 version();
1936 printf("usage: %s [options] [disk_image]\n\n"
1937 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1938 error_get_progname());
1939
1940 #define QEMU_OPTIONS_GENERATE_HELP
1941 #include "qemu-options-wrapper.h"
1942
1943 printf("\nDuring emulation, the following keys are useful:\n"
1944 "ctrl-alt-f toggle full screen\n"
1945 "ctrl-alt-n switch to virtual console 'n'\n"
1946 "ctrl-alt toggle mouse and keyboard grab\n"
1947 "\n"
1948 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1949 "\n"
1950 QEMU_HELP_BOTTOM "\n");
1951
1952 exit(exitcode);
1953 }
1954
1955 #define HAS_ARG 0x0001
1956
1957 typedef struct QEMUOption {
1958 const char *name;
1959 int flags;
1960 int index;
1961 uint32_t arch_mask;
1962 } QEMUOption;
1963
1964 static const QEMUOption qemu_options[] = {
1965 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1966 #define QEMU_OPTIONS_GENERATE_OPTIONS
1967 #include "qemu-options-wrapper.h"
1968 { NULL },
1969 };
1970
1971 typedef struct VGAInterfaceInfo {
1972 const char *opt_name; /* option name */
1973 const char *name; /* human-readable name */
1974 /* Class names indicating that support is available.
1975 * If no class is specified, the interface is always available */
1976 const char *class_names[2];
1977 } VGAInterfaceInfo;
1978
1979 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1980 [VGA_NONE] = {
1981 .opt_name = "none",
1982 },
1983 [VGA_STD] = {
1984 .opt_name = "std",
1985 .name = "standard VGA",
1986 .class_names = { "VGA", "isa-vga" },
1987 },
1988 [VGA_CIRRUS] = {
1989 .opt_name = "cirrus",
1990 .name = "Cirrus VGA",
1991 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1992 },
1993 [VGA_VMWARE] = {
1994 .opt_name = "vmware",
1995 .name = "VMWare SVGA",
1996 .class_names = { "vmware-svga" },
1997 },
1998 [VGA_VIRTIO] = {
1999 .opt_name = "virtio",
2000 .name = "Virtio VGA",
2001 .class_names = { "virtio-vga" },
2002 },
2003 [VGA_QXL] = {
2004 .opt_name = "qxl",
2005 .name = "QXL VGA",
2006 .class_names = { "qxl-vga" },
2007 },
2008 [VGA_TCX] = {
2009 .opt_name = "tcx",
2010 .name = "TCX framebuffer",
2011 .class_names = { "SUNW,tcx" },
2012 },
2013 [VGA_CG3] = {
2014 .opt_name = "cg3",
2015 .name = "CG3 framebuffer",
2016 .class_names = { "cgthree" },
2017 },
2018 [VGA_XENFB] = {
2019 .opt_name = "xenfb",
2020 },
2021 };
2022
2023 static bool vga_interface_available(VGAInterfaceType t)
2024 {
2025 VGAInterfaceInfo *ti = &vga_interfaces[t];
2026
2027 assert(t < VGA_TYPE_MAX);
2028 return !ti->class_names[0] ||
2029 object_class_by_name(ti->class_names[0]) ||
2030 object_class_by_name(ti->class_names[1]);
2031 }
2032
2033 static void select_vgahw(const char *p)
2034 {
2035 const char *opts;
2036 int t;
2037
2038 assert(vga_interface_type == VGA_NONE);
2039 for (t = 0; t < VGA_TYPE_MAX; t++) {
2040 VGAInterfaceInfo *ti = &vga_interfaces[t];
2041 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2042 if (!vga_interface_available(t)) {
2043 error_report("%s not available", ti->name);
2044 exit(1);
2045 }
2046 vga_interface_type = t;
2047 break;
2048 }
2049 }
2050 if (t == VGA_TYPE_MAX) {
2051 invalid_vga:
2052 error_report("unknown vga type: %s", p);
2053 exit(1);
2054 }
2055 while (*opts) {
2056 const char *nextopt;
2057
2058 if (strstart(opts, ",retrace=", &nextopt)) {
2059 opts = nextopt;
2060 if (strstart(opts, "dumb", &nextopt))
2061 vga_retrace_method = VGA_RETRACE_DUMB;
2062 else if (strstart(opts, "precise", &nextopt))
2063 vga_retrace_method = VGA_RETRACE_PRECISE;
2064 else goto invalid_vga;
2065 } else goto invalid_vga;
2066 opts = nextopt;
2067 }
2068 }
2069
2070 static void parse_display_qapi(const char *optarg)
2071 {
2072 DisplayOptions *opts;
2073 Visitor *v;
2074
2075 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2076
2077 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2078 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2079
2080 qapi_free_DisplayOptions(opts);
2081 visit_free(v);
2082 }
2083
2084 DisplayOptions *qmp_query_display_options(Error **errp)
2085 {
2086 return QAPI_CLONE(DisplayOptions, &dpy);
2087 }
2088
2089 static void parse_display(const char *p)
2090 {
2091 const char *opts;
2092
2093 if (strstart(p, "sdl", &opts)) {
2094 /*
2095 * sdl DisplayType needs hand-crafted parser instead of
2096 * parse_display_qapi() due to some options not in
2097 * DisplayOptions, specifically:
2098 * - frame
2099 * Already deprecated.
2100 * - ctrl_grab + alt_grab
2101 * Not clear yet what happens to them long-term. Should
2102 * replaced by something better or deprecated and dropped.
2103 */
2104 dpy.type = DISPLAY_TYPE_SDL;
2105 while (*opts) {
2106 const char *nextopt;
2107
2108 if (strstart(opts, ",alt_grab=", &nextopt)) {
2109 opts = nextopt;
2110 if (strstart(opts, "on", &nextopt)) {
2111 alt_grab = 1;
2112 } else if (strstart(opts, "off", &nextopt)) {
2113 alt_grab = 0;
2114 } else {
2115 goto invalid_sdl_args;
2116 }
2117 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2118 opts = nextopt;
2119 if (strstart(opts, "on", &nextopt)) {
2120 ctrl_grab = 1;
2121 } else if (strstart(opts, "off", &nextopt)) {
2122 ctrl_grab = 0;
2123 } else {
2124 goto invalid_sdl_args;
2125 }
2126 } else if (strstart(opts, ",window_close=", &nextopt)) {
2127 opts = nextopt;
2128 dpy.has_window_close = true;
2129 if (strstart(opts, "on", &nextopt)) {
2130 dpy.window_close = true;
2131 } else if (strstart(opts, "off", &nextopt)) {
2132 dpy.window_close = false;
2133 } else {
2134 goto invalid_sdl_args;
2135 }
2136 } else if (strstart(opts, ",gl=", &nextopt)) {
2137 opts = nextopt;
2138 dpy.has_gl = true;
2139 if (strstart(opts, "on", &nextopt)) {
2140 dpy.gl = DISPLAYGL_MODE_ON;
2141 } else if (strstart(opts, "core", &nextopt)) {
2142 dpy.gl = DISPLAYGL_MODE_CORE;
2143 } else if (strstart(opts, "es", &nextopt)) {
2144 dpy.gl = DISPLAYGL_MODE_ES;
2145 } else if (strstart(opts, "off", &nextopt)) {
2146 dpy.gl = DISPLAYGL_MODE_OFF;
2147 } else {
2148 goto invalid_sdl_args;
2149 }
2150 } else {
2151 invalid_sdl_args:
2152 error_report("invalid SDL option string");
2153 exit(1);
2154 }
2155 opts = nextopt;
2156 }
2157 } else if (strstart(p, "vnc", &opts)) {
2158 /*
2159 * vnc isn't a (local) DisplayType but a protocol for remote
2160 * display access.
2161 */
2162 if (*opts == '=') {
2163 vnc_parse(opts + 1, &error_fatal);
2164 } else {
2165 error_report("VNC requires a display argument vnc=<display>");
2166 exit(1);
2167 }
2168 } else {
2169 parse_display_qapi(p);
2170 }
2171 }
2172
2173 char *qemu_find_file(int type, const char *name)
2174 {
2175 int i;
2176 const char *subdir;
2177 char *buf;
2178
2179 /* Try the name as a straight path first */
2180 if (access(name, R_OK) == 0) {
2181 trace_load_file(name, name);
2182 return g_strdup(name);
2183 }
2184
2185 switch (type) {
2186 case QEMU_FILE_TYPE_BIOS:
2187 subdir = "";
2188 break;
2189 case QEMU_FILE_TYPE_KEYMAP:
2190 subdir = "keymaps/";
2191 break;
2192 default:
2193 abort();
2194 }
2195
2196 for (i = 0; i < data_dir_idx; i++) {
2197 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2198 if (access(buf, R_OK) == 0) {
2199 trace_load_file(name, buf);
2200 return buf;
2201 }
2202 g_free(buf);
2203 }
2204 return NULL;
2205 }
2206
2207 static void qemu_add_data_dir(const char *path)
2208 {
2209 int i;
2210
2211 if (path == NULL) {
2212 return;
2213 }
2214 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2215 return;
2216 }
2217 for (i = 0; i < data_dir_idx; i++) {
2218 if (strcmp(data_dir[i], path) == 0) {
2219 return; /* duplicate */
2220 }
2221 }
2222 data_dir[data_dir_idx++] = g_strdup(path);
2223 }
2224
2225 static inline bool nonempty_str(const char *str)
2226 {
2227 return str && *str;
2228 }
2229
2230 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2231 {
2232 gchar *buf;
2233 size_t size;
2234 const char *name, *file, *str;
2235 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2236
2237 if (fw_cfg == NULL) {
2238 error_setg(errp, "fw_cfg device not available");
2239 return -1;
2240 }
2241 name = qemu_opt_get(opts, "name");
2242 file = qemu_opt_get(opts, "file");
2243 str = qemu_opt_get(opts, "string");
2244
2245 /* we need name and either a file or the content string */
2246 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2247 error_setg(errp, "invalid argument(s)");
2248 return -1;
2249 }
2250 if (nonempty_str(file) && nonempty_str(str)) {
2251 error_setg(errp, "file and string are mutually exclusive");
2252 return -1;
2253 }
2254 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2255 error_setg(errp, "name too long (max. %d char)",
2256 FW_CFG_MAX_FILE_PATH - 1);
2257 return -1;
2258 }
2259 if (strncmp(name, "opt/", 4) != 0) {
2260 warn_report("externally provided fw_cfg item names "
2261 "should be prefixed with \"opt/\"");
2262 }
2263 if (nonempty_str(str)) {
2264 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2265 buf = g_memdup(str, size);
2266 } else {
2267 GError *err = NULL;
2268 if (!g_file_get_contents(file, &buf, &size, &err)) {
2269 error_setg(errp, "can't load %s: %s", file, err->message);
2270 g_error_free(err);
2271 return -1;
2272 }
2273 }
2274 /* For legacy, keep user files in a specific global order. */
2275 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2276 fw_cfg_add_file(fw_cfg, name, buf, size);
2277 fw_cfg_reset_order_override(fw_cfg);
2278 return 0;
2279 }
2280
2281 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2282 {
2283 return qdev_device_help(opts);
2284 }
2285
2286 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2287 {
2288 DeviceState *dev;
2289
2290 dev = qdev_device_add(opts, errp);
2291 if (!dev) {
2292 return -1;
2293 }
2294 object_unref(OBJECT(dev));
2295 return 0;
2296 }
2297
2298 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2299 {
2300 Error *local_err = NULL;
2301
2302 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2303 if (local_err) {
2304 error_propagate(errp, local_err);
2305 return -1;
2306 }
2307 exit(0);
2308 }
2309 return 0;
2310 }
2311
2312 #ifdef CONFIG_VIRTFS
2313 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2314 {
2315 return qemu_fsdev_add(opts, errp);
2316 }
2317 #endif
2318
2319 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2320 {
2321 Chardev *chr;
2322 const char *chardev;
2323 const char *mode;
2324 int flags;
2325
2326 mode = qemu_opt_get(opts, "mode");
2327 if (mode == NULL) {
2328 mode = "readline";
2329 }
2330 if (strcmp(mode, "readline") == 0) {
2331 flags = MONITOR_USE_READLINE;
2332 } else if (strcmp(mode, "control") == 0) {
2333 flags = MONITOR_USE_CONTROL;
2334 } else {
2335 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2336 return -1;
2337 }
2338
2339 if (qemu_opt_get_bool(opts, "pretty", 0))
2340 flags |= MONITOR_USE_PRETTY;
2341
2342 chardev = qemu_opt_get(opts, "chardev");
2343 if (!chardev) {
2344 error_report("chardev is required");
2345 exit(1);
2346 }
2347 chr = qemu_chr_find(chardev);
2348 if (chr == NULL) {
2349 error_setg(errp, "chardev \"%s\" not found", chardev);
2350 return -1;
2351 }
2352
2353 monitor_init(chr, flags);
2354 return 0;
2355 }
2356
2357 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2358 {
2359 static int monitor_device_index = 0;
2360 QemuOpts *opts;
2361 const char *p;
2362 char label[32];
2363
2364 if (strstart(optarg, "chardev:", &p)) {
2365 snprintf(label, sizeof(label), "%s", p);
2366 } else {
2367 snprintf(label, sizeof(label), "compat_monitor%d",
2368 monitor_device_index);
2369 opts = qemu_chr_parse_compat(label, optarg, true);
2370 if (!opts) {
2371 error_report("parse error: %s", optarg);
2372 exit(1);
2373 }
2374 }
2375
2376 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2377 qemu_opt_set(opts, "mode", mode, &error_abort);
2378 qemu_opt_set(opts, "chardev", label, &error_abort);
2379 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2380 monitor_device_index++;
2381 }
2382
2383 struct device_config {
2384 enum {
2385 DEV_USB, /* -usbdevice */
2386 DEV_BT, /* -bt */
2387 DEV_SERIAL, /* -serial */
2388 DEV_PARALLEL, /* -parallel */
2389 DEV_DEBUGCON, /* -debugcon */
2390 DEV_GDB, /* -gdb, -s */
2391 DEV_SCLP, /* s390 sclp */
2392 } type;
2393 const char *cmdline;
2394 Location loc;
2395 QTAILQ_ENTRY(device_config) next;
2396 };
2397
2398 static QTAILQ_HEAD(, device_config) device_configs =
2399 QTAILQ_HEAD_INITIALIZER(device_configs);
2400
2401 static void add_device_config(int type, const char *cmdline)
2402 {
2403 struct device_config *conf;
2404
2405 conf = g_malloc0(sizeof(*conf));
2406 conf->type = type;
2407 conf->cmdline = cmdline;
2408 loc_save(&conf->loc);
2409 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2410 }
2411
2412 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2413 {
2414 struct device_config *conf;
2415 int rc;
2416
2417 QTAILQ_FOREACH(conf, &device_configs, next) {
2418 if (conf->type != type)
2419 continue;
2420 loc_push_restore(&conf->loc);
2421 rc = func(conf->cmdline);
2422 loc_pop(&conf->loc);
2423 if (rc) {
2424 return rc;
2425 }
2426 }
2427 return 0;
2428 }
2429
2430 static int serial_parse(const char *devname)
2431 {
2432 int index = num_serial_hds;
2433 char label[32];
2434
2435 if (strcmp(devname, "none") == 0)
2436 return 0;
2437 snprintf(label, sizeof(label), "serial%d", index);
2438 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2439
2440 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2441 if (!serial_hds[index]) {
2442 error_report("could not connect serial device"
2443 " to character backend '%s'", devname);
2444 return -1;
2445 }
2446 num_serial_hds++;
2447 return 0;
2448 }
2449
2450 Chardev *serial_hd(int i)
2451 {
2452 assert(i >= 0);
2453 if (i < num_serial_hds) {
2454 return serial_hds[i];
2455 }
2456 return NULL;
2457 }
2458
2459 int serial_max_hds(void)
2460 {
2461 return num_serial_hds;
2462 }
2463
2464 static int parallel_parse(const char *devname)
2465 {
2466 static int index = 0;
2467 char label[32];
2468
2469 if (strcmp(devname, "none") == 0)
2470 return 0;
2471 if (index == MAX_PARALLEL_PORTS) {
2472 error_report("too many parallel ports");
2473 exit(1);
2474 }
2475 snprintf(label, sizeof(label), "parallel%d", index);
2476 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2477 if (!parallel_hds[index]) {
2478 error_report("could not connect parallel device"
2479 " to character backend '%s'", devname);
2480 return -1;
2481 }
2482 index++;
2483 return 0;
2484 }
2485
2486 static int debugcon_parse(const char *devname)
2487 {
2488 QemuOpts *opts;
2489
2490 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
2491 error_report("invalid character backend '%s'", devname);
2492 exit(1);
2493 }
2494 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2495 if (!opts) {
2496 error_report("already have a debugcon device");
2497 exit(1);
2498 }
2499 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2500 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2501 return 0;
2502 }
2503
2504 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2505 {
2506 const MachineClass *mc1 = a, *mc2 = b;
2507 int res;
2508
2509 if (mc1->family == NULL) {
2510 if (mc2->family == NULL) {
2511 /* Compare standalone machine types against each other; they sort
2512 * in increasing order.
2513 */
2514 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2515 object_class_get_name(OBJECT_CLASS(mc2)));
2516 }
2517
2518 /* Standalone machine types sort after families. */
2519 return 1;
2520 }
2521
2522 if (mc2->family == NULL) {
2523 /* Families sort before standalone machine types. */
2524 return -1;
2525 }
2526
2527 /* Families sort between each other alphabetically increasingly. */
2528 res = strcmp(mc1->family, mc2->family);
2529 if (res != 0) {
2530 return res;
2531 }
2532
2533 /* Within the same family, machine types sort in decreasing order. */
2534 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2535 object_class_get_name(OBJECT_CLASS(mc1)));
2536 }
2537
2538 static MachineClass *machine_parse(const char *name)
2539 {
2540 MachineClass *mc = NULL;
2541 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2542
2543 if (name) {
2544 mc = find_machine(name);
2545 }
2546 if (mc) {
2547 g_slist_free(machines);
2548 return mc;
2549 }
2550 if (name && !is_help_option(name)) {
2551 error_report("unsupported machine type");
2552 error_printf("Use -machine help to list supported machines\n");
2553 } else {
2554 printf("Supported machines are:\n");
2555 machines = g_slist_sort(machines, machine_class_cmp);
2556 for (el = machines; el; el = el->next) {
2557 MachineClass *mc = el->data;
2558 if (mc->alias) {
2559 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2560 }
2561 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2562 mc->is_default ? " (default)" : "",
2563 mc->deprecation_reason ? " (deprecated)" : "");
2564 }
2565 }
2566
2567 g_slist_free(machines);
2568 exit(!name || !is_help_option(name));
2569 }
2570
2571 void qemu_add_exit_notifier(Notifier *notify)
2572 {
2573 notifier_list_add(&exit_notifiers, notify);
2574 }
2575
2576 void qemu_remove_exit_notifier(Notifier *notify)
2577 {
2578 notifier_remove(notify);
2579 }
2580
2581 static void qemu_run_exit_notifiers(void)
2582 {
2583 notifier_list_notify(&exit_notifiers, NULL);
2584 }
2585
2586 static const char *pid_file;
2587 static Notifier qemu_unlink_pidfile_notifier;
2588
2589 static void qemu_unlink_pidfile(Notifier *n, void *data)
2590 {
2591 if (pid_file) {
2592 unlink(pid_file);
2593 }
2594 }
2595
2596 bool machine_init_done;
2597
2598 void qemu_add_machine_init_done_notifier(Notifier *notify)
2599 {
2600 notifier_list_add(&machine_init_done_notifiers, notify);
2601 if (machine_init_done) {
2602 notify->notify(notify, NULL);
2603 }
2604 }
2605
2606 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2607 {
2608 notifier_remove(notify);
2609 }
2610
2611 static void qemu_run_machine_init_done_notifiers(void)
2612 {
2613 machine_init_done = true;
2614 notifier_list_notify(&machine_init_done_notifiers, NULL);
2615 }
2616
2617 static const QEMUOption *lookup_opt(int argc, char **argv,
2618 const char **poptarg, int *poptind)
2619 {
2620 const QEMUOption *popt;
2621 int optind = *poptind;
2622 char *r = argv[optind];
2623 const char *optarg;
2624
2625 loc_set_cmdline(argv, optind, 1);
2626 optind++;
2627 /* Treat --foo the same as -foo. */
2628 if (r[1] == '-')
2629 r++;
2630 popt = qemu_options;
2631 for(;;) {
2632 if (!popt->name) {
2633 error_report("invalid option");
2634 exit(1);
2635 }
2636 if (!strcmp(popt->name, r + 1))
2637 break;
2638 popt++;
2639 }
2640 if (popt->flags & HAS_ARG) {
2641 if (optind >= argc) {
2642 error_report("requires an argument");
2643 exit(1);
2644 }
2645 optarg = argv[optind++];
2646 loc_set_cmdline(argv, optind - 2, 2);
2647 } else {
2648 optarg = NULL;
2649 }
2650
2651 *poptarg = optarg;
2652 *poptind = optind;
2653
2654 return popt;
2655 }
2656
2657 static MachineClass *select_machine(void)
2658 {
2659 MachineClass *machine_class = find_default_machine();
2660 const char *optarg;
2661 QemuOpts *opts;
2662 Location loc;
2663
2664 loc_push_none(&loc);
2665
2666 opts = qemu_get_machine_opts();
2667 qemu_opts_loc_restore(opts);
2668
2669 optarg = qemu_opt_get(opts, "type");
2670 if (optarg) {
2671 machine_class = machine_parse(optarg);
2672 }
2673
2674 if (!machine_class) {
2675 error_report("No machine specified, and there is no default");
2676 error_printf("Use -machine help to list supported machines\n");
2677 exit(1);
2678 }
2679
2680 loc_pop(&loc);
2681 return machine_class;
2682 }
2683
2684 static int machine_set_property(void *opaque,
2685 const char *name, const char *value,
2686 Error **errp)
2687 {
2688 Object *obj = OBJECT(opaque);
2689 Error *local_err = NULL;
2690 char *p, *qom_name;
2691
2692 if (strcmp(name, "type") == 0) {
2693 return 0;
2694 }
2695
2696 qom_name = g_strdup(name);
2697 for (p = qom_name; *p; p++) {
2698 if (*p == '_') {
2699 *p = '-';
2700 }
2701 }
2702
2703 object_property_parse(obj, value, qom_name, &local_err);
2704 g_free(qom_name);
2705
2706 if (local_err) {
2707 error_propagate(errp, local_err);
2708 return -1;
2709 }
2710
2711 return 0;
2712 }
2713
2714
2715 /*
2716 * Initial object creation happens before all other
2717 * QEMU data types are created. The majority of objects
2718 * can be created at this point. The rng-egd object
2719 * cannot be created here, as it depends on the chardev
2720 * already existing.
2721 */
2722 static bool object_create_initial(const char *type, QemuOpts *opts)
2723 {
2724 ObjectClass *klass;
2725
2726 if (is_help_option(type)) {
2727 GSList *l, *list;
2728
2729 printf("List of user creatable objects:\n");
2730 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2731 for (l = list; l != NULL; l = l->next) {
2732 ObjectClass *oc = OBJECT_CLASS(l->data);
2733 printf(" %s\n", object_class_get_name(oc));
2734 }
2735 g_slist_free(list);
2736 exit(0);
2737 }
2738
2739 klass = object_class_by_name(type);
2740 if (klass && qemu_opt_has_help_opt(opts)) {
2741 ObjectPropertyIterator iter;
2742 ObjectProperty *prop;
2743 GPtrArray *array = g_ptr_array_new();
2744 int i;
2745
2746 object_class_property_iter_init(&iter, klass);
2747 while ((prop = object_property_iter_next(&iter))) {
2748 GString *str;
2749
2750 if (!prop->set) {
2751 continue;
2752 }
2753
2754 str = g_string_new(NULL);
2755 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2756 if (prop->description) {
2757 if (str->len < 24) {
2758 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2759 }
2760 g_string_append_printf(str, " - %s", prop->description);
2761 }
2762 g_ptr_array_add(array, g_string_free(str, false));
2763 }
2764 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2765 if (array->len > 0) {
2766 printf("%s options:\n", type);
2767 } else {
2768 printf("There are no options for %s.\n", type);
2769 }
2770 for (i = 0; i < array->len; i++) {
2771 printf("%s\n", (char *)array->pdata[i]);
2772 }
2773 g_ptr_array_set_free_func(array, g_free);
2774 g_ptr_array_free(array, true);
2775 exit(0);
2776 }
2777
2778 if (g_str_equal(type, "rng-egd") ||
2779 g_str_has_prefix(type, "pr-manager-")) {
2780 return false;
2781 }
2782
2783 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2784 if (g_str_equal(type, "cryptodev-vhost-user")) {
2785 return false;
2786 }
2787 #endif
2788
2789 /*
2790 * return false for concrete netfilters since
2791 * they depend on netdevs already existing
2792 */
2793 if (g_str_equal(type, "filter-buffer") ||
2794 g_str_equal(type, "filter-dump") ||
2795 g_str_equal(type, "filter-mirror") ||
2796 g_str_equal(type, "filter-redirector") ||
2797 g_str_equal(type, "colo-compare") ||
2798 g_str_equal(type, "filter-rewriter") ||
2799 g_str_equal(type, "filter-replay")) {
2800 return false;
2801 }
2802
2803 /* Memory allocation by backends needs to be done
2804 * after configure_accelerator() (due to the tcg_enabled()
2805 * checks at memory_region_init_*()).
2806 *
2807 * Also, allocation of large amounts of memory may delay
2808 * chardev initialization for too long, and trigger timeouts
2809 * on software that waits for a monitor socket to be created
2810 * (e.g. libvirt).
2811 */
2812 if (g_str_has_prefix(type, "memory-backend-")) {
2813 return false;
2814 }
2815
2816 return true;
2817 }
2818
2819
2820 /*
2821 * The remainder of object creation happens after the
2822 * creation of chardev, fsdev, net clients and device data types.
2823 */
2824 static bool object_create_delayed(const char *type, QemuOpts *opts)
2825 {
2826 return !object_create_initial(type, opts);
2827 }
2828
2829
2830 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2831 MachineClass *mc)
2832 {
2833 uint64_t sz;
2834 const char *mem_str;
2835 const ram_addr_t default_ram_size = mc->default_ram_size;
2836 QemuOpts *opts = qemu_find_opts_singleton("memory");
2837 Location loc;
2838
2839 loc_push_none(&loc);
2840 qemu_opts_loc_restore(opts);
2841
2842 sz = 0;
2843 mem_str = qemu_opt_get(opts, "size");
2844 if (mem_str) {
2845 if (!*mem_str) {
2846 error_report("missing 'size' option value");
2847 exit(EXIT_FAILURE);
2848 }
2849
2850 sz = qemu_opt_get_size(opts, "size", ram_size);
2851
2852 /* Fix up legacy suffix-less format */
2853 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2854 uint64_t overflow_check = sz;
2855
2856 sz *= MiB;
2857 if (sz / MiB != overflow_check) {
2858 error_report("too large 'size' option value");
2859 exit(EXIT_FAILURE);
2860 }
2861 }
2862 }
2863
2864 /* backward compatibility behaviour for case "-m 0" */
2865 if (sz == 0) {
2866 sz = default_ram_size;
2867 }
2868
2869 sz = QEMU_ALIGN_UP(sz, 8192);
2870 ram_size = sz;
2871 if (ram_size != sz) {
2872 error_report("ram size too large");
2873 exit(EXIT_FAILURE);
2874 }
2875
2876 /* store value for the future use */
2877 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2878 *maxram_size = ram_size;
2879
2880 if (qemu_opt_get(opts, "maxmem")) {
2881 uint64_t slots;
2882
2883 sz = qemu_opt_get_size(opts, "maxmem", 0);
2884 slots = qemu_opt_get_number(opts, "slots", 0);
2885 if (sz < ram_size) {
2886 error_report("invalid value of -m option maxmem: "
2887 "maximum memory size (0x%" PRIx64 ") must be at least "
2888 "the initial memory size (0x" RAM_ADDR_FMT ")",
2889 sz, ram_size);
2890 exit(EXIT_FAILURE);
2891 } else if (slots && sz == ram_size) {
2892 error_report("invalid value of -m option maxmem: "
2893 "memory slots were specified but maximum memory size "
2894 "(0x%" PRIx64 ") is equal to the initial memory size "
2895 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2896 exit(EXIT_FAILURE);
2897 }
2898
2899 *maxram_size = sz;
2900 *ram_slots = slots;
2901 } else if (qemu_opt_get(opts, "slots")) {
2902 error_report("invalid -m option value: missing 'maxmem' option");
2903 exit(EXIT_FAILURE);
2904 }
2905
2906 loc_pop(&loc);
2907 }
2908
2909 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2910 {
2911 GlobalProperty *g;
2912
2913 g = g_malloc0(sizeof(*g));
2914 g->driver = qemu_opt_get(opts, "driver");
2915 g->property = qemu_opt_get(opts, "property");
2916 g->value = qemu_opt_get(opts, "value");
2917 qdev_prop_register_global(g);
2918 return 0;
2919 }
2920
2921 static int qemu_read_default_config_file(void)
2922 {
2923 int ret;
2924
2925 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2926 if (ret < 0 && ret != -ENOENT) {
2927 return ret;
2928 }
2929
2930 return 0;
2931 }
2932
2933 static void user_register_global_props(void)
2934 {
2935 qemu_opts_foreach(qemu_find_opts("global"),
2936 global_init_func, NULL, NULL);
2937 }
2938
2939 /*
2940 * Note: we should see that these properties are actually having a
2941 * priority: accel < machine < user. This means e.g. when user
2942 * specifies something in "-global", it'll always be used with highest
2943 * priority than either machine/accelerator compat properties.
2944 */
2945 static void register_global_properties(MachineState *ms)
2946 {
2947 user_register_global_props();
2948 }
2949
2950 int main(int argc, char **argv, char **envp)
2951 {
2952 int i;
2953 int snapshot, linux_boot;
2954 const char *initrd_filename;
2955 const char *kernel_filename, *kernel_cmdline;
2956 const char *boot_order = NULL;
2957 const char *boot_once = NULL;
2958 DisplayState *ds;
2959 QemuOpts *opts, *machine_opts;
2960 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2961 QemuOptsList *olist;
2962 int optind;
2963 const char *optarg;
2964 const char *loadvm = NULL;
2965 MachineClass *machine_class;
2966 const char *cpu_model;
2967 const char *vga_model = NULL;
2968 const char *qtest_chrdev = NULL;
2969 const char *qtest_log = NULL;
2970 const char *incoming = NULL;
2971 bool userconfig = true;
2972 bool nographic = false;
2973 int display_remote = 0;
2974 const char *log_mask = NULL;
2975 const char *log_file = NULL;
2976 char *trace_file = NULL;
2977 ram_addr_t maxram_size;
2978 uint64_t ram_slots = 0;
2979 FILE *vmstate_dump_file = NULL;
2980 Error *main_loop_err = NULL;
2981 Error *err = NULL;
2982 bool list_data_dirs = false;
2983 char *dir, **dirs;
2984 typedef struct BlockdevOptions_queue {
2985 BlockdevOptions *bdo;
2986 Location loc;
2987 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2988 } BlockdevOptions_queue;
2989 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2990 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2991
2992 module_call_init(MODULE_INIT_TRACE);
2993
2994 qemu_init_cpu_list();
2995 qemu_init_cpu_loop();
2996
2997 qemu_mutex_lock_iothread();
2998
2999 atexit(qemu_run_exit_notifiers);
3000 error_set_progname(argv[0]);
3001 qemu_init_exec_dir(argv[0]);
3002
3003 module_call_init(MODULE_INIT_QOM);
3004
3005 qemu_add_opts(&qemu_drive_opts);
3006 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3007 qemu_add_drive_opts(&qemu_common_drive_opts);
3008 qemu_add_drive_opts(&qemu_drive_opts);
3009 qemu_add_drive_opts(&bdrv_runtime_opts);
3010 qemu_add_opts(&qemu_chardev_opts);
3011 qemu_add_opts(&qemu_device_opts);
3012 qemu_add_opts(&qemu_netdev_opts);
3013 qemu_add_opts(&qemu_nic_opts);
3014 qemu_add_opts(&qemu_net_opts);
3015 qemu_add_opts(&qemu_rtc_opts);
3016 qemu_add_opts(&qemu_global_opts);
3017 qemu_add_opts(&qemu_mon_opts);
3018 qemu_add_opts(&qemu_trace_opts);
3019 qemu_add_opts(&qemu_option_rom_opts);
3020 qemu_add_opts(&qemu_machine_opts);
3021 qemu_add_opts(&qemu_accel_opts);
3022 qemu_add_opts(&qemu_mem_opts);
3023 qemu_add_opts(&qemu_smp_opts);
3024 qemu_add_opts(&qemu_boot_opts);
3025 qemu_add_opts(&qemu_add_fd_opts);
3026 qemu_add_opts(&qemu_object_opts);
3027 qemu_add_opts(&qemu_tpmdev_opts);
3028 qemu_add_opts(&qemu_realtime_opts);
3029 qemu_add_opts(&qemu_overcommit_opts);
3030 qemu_add_opts(&qemu_msg_opts);
3031 qemu_add_opts(&qemu_name_opts);
3032 qemu_add_opts(&qemu_numa_opts);
3033 qemu_add_opts(&qemu_icount_opts);
3034 qemu_add_opts(&qemu_semihosting_config_opts);
3035 qemu_add_opts(&qemu_fw_cfg_opts);
3036 module_call_init(MODULE_INIT_OPTS);
3037
3038 runstate_init();
3039 precopy_infrastructure_init();
3040 postcopy_infrastructure_init();
3041 monitor_init_globals();
3042
3043 if (qcrypto_init(&err) < 0) {
3044 error_reportf_err(err, "cannot initialize crypto: ");
3045 exit(1);
3046 }
3047
3048 QLIST_INIT (&vm_change_state_head);
3049 os_setup_early_signal_handling();
3050
3051 cpu_model = NULL;
3052 snapshot = 0;
3053
3054 nb_nics = 0;
3055
3056 bdrv_init_with_whitelist();
3057
3058 autostart = 1;
3059
3060 /* first pass of option parsing */
3061 optind = 1;
3062 while (optind < argc) {
3063 if (argv[optind][0] != '-') {
3064 /* disk image */
3065 optind++;
3066 } else {
3067 const QEMUOption *popt;
3068
3069 popt = lookup_opt(argc, argv, &optarg, &optind);
3070 switch (popt->index) {
3071 case QEMU_OPTION_nouserconfig:
3072 userconfig = false;
3073 break;
3074 }
3075 }
3076 }
3077
3078 if (userconfig) {
3079 if (qemu_read_default_config_file() < 0) {
3080 exit(1);
3081 }
3082 }
3083
3084 /* second pass of option parsing */
3085 optind = 1;
3086 for(;;) {
3087 if (optind >= argc)
3088 break;
3089 if (argv[optind][0] != '-') {
3090 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3091 } else {
3092 const QEMUOption *popt;
3093
3094 popt = lookup_opt(argc, argv, &optarg, &optind);
3095 if (!(popt->arch_mask & arch_type)) {
3096 error_report("Option not supported for this target");
3097 exit(1);
3098 }
3099 switch(popt->index) {
3100 case QEMU_OPTION_cpu:
3101 /* hw initialization will check this */
3102 cpu_model = optarg;
3103 break;
3104 case QEMU_OPTION_hda:
3105 case QEMU_OPTION_hdb:
3106 case QEMU_OPTION_hdc:
3107 case QEMU_OPTION_hdd:
3108 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3109 HD_OPTS);
3110 break;
3111 case QEMU_OPTION_blockdev:
3112 {
3113 Visitor *v;
3114 BlockdevOptions_queue *bdo;
3115
3116 v = qobject_input_visitor_new_str(optarg, "driver",
3117 &error_fatal);
3118
3119 bdo = g_new(BlockdevOptions_queue, 1);
3120 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3121 &error_fatal);
3122 visit_free(v);
3123 loc_save(&bdo->loc);
3124 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3125 break;
3126 }
3127 case QEMU_OPTION_drive:
3128 if (drive_def(optarg) == NULL) {
3129 exit(1);
3130 }
3131 break;
3132 case QEMU_OPTION_set:
3133 if (qemu_set_option(optarg) != 0)
3134 exit(1);
3135 break;
3136 case QEMU_OPTION_global:
3137 if (qemu_global_option(optarg) != 0)
3138 exit(1);
3139 break;
3140 case QEMU_OPTION_mtdblock:
3141 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3142 break;
3143 case QEMU_OPTION_sd:
3144 drive_add(IF_SD, -1, optarg, SD_OPTS);
3145 break;
3146 case QEMU_OPTION_pflash:
3147 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3148 break;
3149 case QEMU_OPTION_snapshot:
3150 snapshot = 1;
3151 break;
3152 case QEMU_OPTION_numa:
3153 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3154 optarg, true);
3155 if (!opts) {
3156 exit(1);
3157 }
3158 break;
3159 case QEMU_OPTION_display:
3160 parse_display(optarg);
3161 break;
3162 case QEMU_OPTION_nographic:
3163 olist = qemu_find_opts("machine");
3164 qemu_opts_parse_noisily(olist, "graphics=off", false);
3165 nographic = true;
3166 dpy.type = DISPLAY_TYPE_NONE;
3167 break;
3168 case QEMU_OPTION_curses:
3169 #ifdef CONFIG_CURSES
3170 dpy.type = DISPLAY_TYPE_CURSES;
3171 #else
3172 error_report("curses support is disabled");
3173 exit(1);
3174 #endif
3175 break;
3176 case QEMU_OPTION_portrait:
3177 graphic_rotate = 90;
3178 break;
3179 case QEMU_OPTION_rotate:
3180 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3181 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3182 graphic_rotate != 180 && graphic_rotate != 270) {
3183 error_report("only 90, 180, 270 deg rotation is available");
3184 exit(1);
3185 }
3186 break;
3187 case QEMU_OPTION_kernel:
3188 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3189 &error_abort);
3190 break;
3191 case QEMU_OPTION_initrd:
3192 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3193 &error_abort);
3194 break;
3195 case QEMU_OPTION_append:
3196 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3197 &error_abort);
3198 break;
3199 case QEMU_OPTION_dtb:
3200 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3201 &error_abort);
3202 break;
3203 case QEMU_OPTION_cdrom:
3204 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3205 break;
3206 case QEMU_OPTION_boot:
3207 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3208 optarg, true);
3209 if (!opts) {
3210 exit(1);
3211 }
3212 break;
3213 case QEMU_OPTION_fda:
3214 case QEMU_OPTION_fdb:
3215 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3216 optarg, FD_OPTS);
3217 break;
3218 case QEMU_OPTION_no_fd_bootchk:
3219 fd_bootchk = 0;
3220 break;
3221 case QEMU_OPTION_netdev:
3222 default_net = 0;
3223 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3224 exit(1);
3225 }
3226 break;
3227 case QEMU_OPTION_nic:
3228 default_net = 0;
3229 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3230 exit(1);
3231 }
3232 break;
3233 case QEMU_OPTION_net:
3234 default_net = 0;
3235 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3236 exit(1);
3237 }
3238 break;
3239 #ifdef CONFIG_LIBISCSI
3240 case QEMU_OPTION_iscsi:
3241 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3242 optarg, false);
3243 if (!opts) {
3244 exit(1);
3245 }
3246 break;
3247 #endif
3248 case QEMU_OPTION_bt:
3249 warn_report("The bluetooth subsystem is deprecated and will "
3250 "be removed soon. If the bluetooth subsystem is "
3251 "still useful for you, please send a mail to "
3252 "qemu-devel@nongnu.org with your usecase.");
3253 add_device_config(DEV_BT, optarg);
3254 break;
3255 case QEMU_OPTION_audio_help:
3256 AUD_help ();
3257 exit (0);
3258 break;
3259 case QEMU_OPTION_soundhw:
3260 select_soundhw (optarg);
3261 break;
3262 case QEMU_OPTION_h:
3263 help(0);
3264 break;
3265 case QEMU_OPTION_version:
3266 version();
3267 exit(0);
3268 break;
3269 case QEMU_OPTION_m:
3270 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3271 optarg, true);
3272 if (!opts) {
3273 exit(EXIT_FAILURE);
3274 }
3275 break;
3276 #ifdef CONFIG_TPM
3277 case QEMU_OPTION_tpmdev:
3278 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3279 exit(1);
3280 }
3281 break;
3282 #endif
3283 case QEMU_OPTION_mempath:
3284 mem_path = optarg;
3285 break;
3286 case QEMU_OPTION_mem_prealloc:
3287 mem_prealloc = 1;
3288 break;
3289 case QEMU_OPTION_d:
3290 log_mask = optarg;
3291 break;
3292 case QEMU_OPTION_D:
3293 log_file = optarg;
3294 break;
3295 case QEMU_OPTION_DFILTER:
3296 qemu_set_dfilter_ranges(optarg, &error_fatal);
3297 break;
3298 case QEMU_OPTION_s:
3299 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3300 break;
3301 case QEMU_OPTION_gdb:
3302 add_device_config(DEV_GDB, optarg);
3303 break;
3304 case QEMU_OPTION_L:
3305 if (is_help_option(optarg)) {
3306 list_data_dirs = true;
3307 } else {
3308 qemu_add_data_dir(optarg);
3309 }
3310 break;
3311 case QEMU_OPTION_bios:
3312 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3313 &error_abort);
3314 break;
3315 case QEMU_OPTION_singlestep:
3316 singlestep = 1;
3317 break;
3318 case QEMU_OPTION_S:
3319 autostart = 0;
3320 break;
3321 case QEMU_OPTION_k:
3322 keyboard_layout = optarg;
3323 break;
3324 case QEMU_OPTION_vga:
3325 vga_model = optarg;
3326 default_vga = 0;
3327 break;
3328 case QEMU_OPTION_g:
3329 {
3330 const char *p;
3331 int w, h, depth;
3332 p = optarg;
3333 w = strtol(p, (char **)&p, 10);
3334 if (w <= 0) {
3335 graphic_error:
3336 error_report("invalid resolution or depth");
3337 exit(1);
3338 }
3339 if (*p != 'x')
3340 goto graphic_error;
3341 p++;
3342 h = strtol(p, (char **)&p, 10);
3343 if (h <= 0)
3344 goto graphic_error;
3345 if (*p == 'x') {
3346 p++;
3347 depth = strtol(p, (char **)&p, 10);
3348 if (depth != 8 && depth != 15 && depth != 16 &&
3349 depth != 24 && depth != 32)
3350 goto graphic_error;
3351 } else if (*p == '\0') {
3352 depth = graphic_depth;
3353 } else {
3354 goto graphic_error;
3355 }
3356
3357 graphic_width = w;
3358 graphic_height = h;
3359 graphic_depth = depth;
3360 }
3361 break;
3362 case QEMU_OPTION_echr:
3363 {
3364 char *r;
3365 term_escape_char = strtol(optarg, &r, 0);
3366 if (r == optarg)
3367 printf("Bad argument to echr\n");
3368 break;
3369 }
3370 case QEMU_OPTION_monitor:
3371 default_monitor = 0;
3372 if (strncmp(optarg, "none", 4)) {
3373 monitor_parse(optarg, "readline", false);
3374 }
3375 break;
3376 case QEMU_OPTION_qmp:
3377 monitor_parse(optarg, "control", false);
3378 default_monitor = 0;
3379 break;
3380 case QEMU_OPTION_qmp_pretty:
3381 monitor_parse(optarg, "control", true);
3382 default_monitor = 0;
3383 break;
3384 case QEMU_OPTION_mon:
3385 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3386 true);
3387 if (!opts) {
3388 exit(1);
3389 }
3390 default_monitor = 0;
3391 break;
3392 case QEMU_OPTION_chardev:
3393 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3394 optarg, true);
3395 if (!opts) {
3396 exit(1);
3397 }
3398 break;
3399 case QEMU_OPTION_fsdev:
3400 olist = qemu_find_opts("fsdev");
3401 if (!olist) {
3402 error_report("fsdev support is disabled");
3403 exit(1);
3404 }
3405 opts = qemu_opts_parse_noisily(olist, optarg, true);
3406 if (!opts) {
3407 exit(1);
3408 }
3409 break;
3410 case QEMU_OPTION_virtfs: {
3411 QemuOpts *fsdev;
3412 QemuOpts *device;
3413 const char *writeout, *sock_fd, *socket, *path, *security_model;
3414
3415 olist = qemu_find_opts("virtfs");
3416 if (!olist) {
3417 error_report("virtfs support is disabled");
3418 exit(1);
3419 }
3420 opts = qemu_opts_parse_noisily(olist, optarg, true);
3421 if (!opts) {
3422 exit(1);
3423 }
3424
3425 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3426 qemu_opt_get(opts, "mount_tag") == NULL) {
3427 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3428 exit(1);
3429 }
3430 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3431 qemu_opts_id(opts) ?:
3432 qemu_opt_get(opts, "mount_tag"),
3433 1, NULL);
3434 if (!fsdev) {
3435 error_report("duplicate or invalid fsdev id: %s",
3436 qemu_opt_get(opts, "mount_tag"));
3437 exit(1);
3438 }
3439
3440 writeout = qemu_opt_get(opts, "writeout");
3441 if (writeout) {
3442 #ifdef CONFIG_SYNC_FILE_RANGE
3443 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3444 #else
3445 error_report("writeout=immediate not supported "
3446 "on this platform");
3447 exit(1);
3448 #endif
3449 }
3450 qemu_opt_set(fsdev, "fsdriver",
3451 qemu_opt_get(opts, "fsdriver"), &error_abort);
3452 path = qemu_opt_get(opts, "path");
3453 if (path) {
3454 qemu_opt_set(fsdev, "path", path, &error_abort);
3455 }
3456 security_model = qemu_opt_get(opts, "security_model");
3457 if (security_model) {
3458 qemu_opt_set(fsdev, "security_model", security_model,
3459 &error_abort);
3460 }
3461 socket = qemu_opt_get(opts, "socket");
3462 if (socket) {
3463 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3464 }
3465 sock_fd = qemu_opt_get(opts, "sock_fd");
3466 if (sock_fd) {
3467 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3468 }
3469
3470 qemu_opt_set_bool(fsdev, "readonly",
3471 qemu_opt_get_bool(opts, "readonly", 0),
3472 &error_abort);
3473 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3474 &error_abort);
3475 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3476 qemu_opt_set(device, "fsdev",
3477 qemu_opts_id(fsdev), &error_abort);
3478 qemu_opt_set(device, "mount_tag",
3479 qemu_opt_get(opts, "mount_tag"), &error_abort);
3480 break;
3481 }
3482 case QEMU_OPTION_virtfs_synth: {
3483 QemuOpts *fsdev;
3484 QemuOpts *device;
3485
3486 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3487 1, NULL);
3488 if (!fsdev) {
3489 error_report("duplicate option: %s", "virtfs_synth");
3490 exit(1);
3491 }
3492 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3493
3494 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3495 &error_abort);
3496 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3497 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3498 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3499 break;
3500 }
3501 case QEMU_OPTION_serial:
3502 add_device_config(DEV_SERIAL, optarg);
3503 default_serial = 0;
3504 if (strncmp(optarg, "mon:", 4) == 0) {
3505 default_monitor = 0;
3506 }
3507 break;
3508 case QEMU_OPTION_watchdog:
3509 if (watchdog) {
3510 error_report("only one watchdog option may be given");
3511 return 1;
3512 }
3513 watchdog = optarg;
3514 break;
3515 case QEMU_OPTION_watchdog_action:
3516 if (select_watchdog_action(optarg) == -1) {
3517 error_report("unknown -watchdog-action parameter");
3518 exit(1);
3519 }
3520 break;
3521 case QEMU_OPTION_parallel:
3522 add_device_config(DEV_PARALLEL, optarg);
3523 default_parallel = 0;
3524 if (strncmp(optarg, "mon:", 4) == 0) {
3525 default_monitor = 0;
3526 }
3527 break;
3528 case QEMU_OPTION_debugcon:
3529 add_device_config(DEV_DEBUGCON, optarg);
3530 break;
3531 case QEMU_OPTION_loadvm:
3532 loadvm = optarg;
3533 break;
3534 case QEMU_OPTION_full_screen:
3535 dpy.has_full_screen = true;
3536 dpy.full_screen = true;
3537 break;
3538 case QEMU_OPTION_alt_grab:
3539 alt_grab = 1;
3540 break;
3541 case QEMU_OPTION_ctrl_grab:
3542 ctrl_grab = 1;
3543 break;
3544 case QEMU_OPTION_no_quit:
3545 dpy.has_window_close = true;
3546 dpy.window_close = false;
3547 break;
3548 case QEMU_OPTION_sdl:
3549 #ifdef CONFIG_SDL
3550 dpy.type = DISPLAY_TYPE_SDL;
3551 break;
3552 #else
3553 error_report("SDL support is disabled");
3554 exit(1);
3555 #endif
3556 case QEMU_OPTION_pidfile:
3557 pid_file = optarg;
3558 break;
3559 case QEMU_OPTION_win2k_hack:
3560 win2k_install_hack = 1;
3561 break;
3562 case QEMU_OPTION_acpitable:
3563 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3564 optarg, true);
3565 if (!opts) {
3566 exit(1);
3567 }
3568 acpi_table_add(opts, &error_fatal);
3569 break;
3570 case QEMU_OPTION_smbios:
3571 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3572 optarg, false);
3573 if (!opts) {
3574 exit(1);
3575 }
3576 smbios_entry_add(opts, &error_fatal);
3577 break;
3578 case QEMU_OPTION_fwcfg:
3579 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3580 optarg, true);
3581 if (opts == NULL) {
3582 exit(1);
3583 }
3584 break;
3585 case QEMU_OPTION_preconfig:
3586 preconfig_exit_requested = false;
3587 break;
3588 case QEMU_OPTION_enable_kvm:
3589 olist = qemu_find_opts("machine");
3590 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3591 break;
3592 case QEMU_OPTION_M:
3593 case QEMU_OPTION_machine:
3594 olist = qemu_find_opts("machine");
3595 opts = qemu_opts_parse_noisily(olist, optarg, true);
3596 if (!opts) {
3597 exit(1);
3598 }
3599 break;
3600 case QEMU_OPTION_no_kvm:
3601 olist = qemu_find_opts("machine");
3602 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3603 break;
3604 case QEMU_OPTION_accel:
3605 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3606 optarg, true);
3607 optarg = qemu_opt_get(accel_opts, "accel");
3608 if (!optarg || is_help_option(optarg)) {
3609 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3610 exit(0);
3611 }
3612 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3613 false, &error_abort);
3614 qemu_opt_set(opts, "accel", optarg, &error_abort);
3615 break;
3616 case QEMU_OPTION_usb:
3617 olist = qemu_find_opts("machine");
3618 qemu_opts_parse_noisily(olist, "usb=on", false);
3619 break;
3620 case QEMU_OPTION_usbdevice:
3621 error_report("'-usbdevice' is deprecated, please use "
3622 "'-device usb-...' instead");
3623 olist = qemu_find_opts("machine");
3624 qemu_opts_parse_noisily(olist, "usb=on", false);
3625 add_device_config(DEV_USB, optarg);
3626 break;
3627 case QEMU_OPTION_device:
3628 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3629 optarg, true)) {
3630 exit(1);
3631 }
3632 break;
3633 case QEMU_OPTION_smp:
3634 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3635 optarg, true)) {
3636 exit(1);
3637 }
3638 break;
3639 case QEMU_OPTION_vnc:
3640 vnc_parse(optarg, &error_fatal);
3641 break;
3642 case QEMU_OPTION_no_acpi:
3643 acpi_enabled = 0;
3644 break;
3645 case QEMU_OPTION_no_hpet:
3646 no_hpet = 1;
3647 break;
3648 case QEMU_OPTION_no_reboot:
3649 no_reboot = 1;
3650 break;
3651 case QEMU_OPTION_no_shutdown:
3652 no_shutdown = 1;
3653 break;
3654 case QEMU_OPTION_show_cursor:
3655 cursor_hide = 0;
3656 break;
3657 case QEMU_OPTION_uuid:
3658 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3659 error_report("failed to parse UUID string: wrong format");
3660 exit(1);
3661 }
3662 qemu_uuid_set = true;
3663 break;
3664 case QEMU_OPTION_option_rom:
3665 if (nb_option_roms >= MAX_OPTION_ROMS) {
3666 error_report("too many option ROMs");
3667 exit(1);
3668 }
3669 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3670 optarg, true);
3671 if (!opts) {
3672 exit(1);
3673 }
3674 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3675 option_rom[nb_option_roms].bootindex =
3676 qemu_opt_get_number(opts, "bootindex", -1);
3677 if (!option_rom[nb_option_roms].name) {
3678 error_report("Option ROM file is not specified");
3679 exit(1);
3680 }
3681 nb_option_roms++;
3682 break;
3683 case QEMU_OPTION_semihosting:
3684 semihosting.enabled = true;
3685 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3686 break;
3687 case QEMU_OPTION_semihosting_config:
3688 semihosting.enabled = true;
3689 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3690 optarg, false);
3691 if (opts != NULL) {
3692 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3693 true);
3694 const char *target = qemu_opt_get(opts, "target");
3695 if (target != NULL) {
3696 if (strcmp("native", target) == 0) {
3697 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3698 } else if (strcmp("gdb", target) == 0) {
3699 semihosting.target = SEMIHOSTING_TARGET_GDB;
3700 } else if (strcmp("auto", target) == 0) {
3701 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3702 } else {
3703 error_report("unsupported semihosting-config %s",
3704 optarg);
3705 exit(1);
3706 }
3707 } else {
3708 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3709 }
3710 /* Set semihosting argument count and vector */
3711 qemu_opt_foreach(opts, add_semihosting_arg,
3712 &semihosting, NULL);
3713 } else {
3714 error_report("unsupported semihosting-config %s", optarg);
3715 exit(1);
3716 }
3717 break;
3718 case QEMU_OPTION_name:
3719 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3720 optarg, true);
3721 if (!opts) {
3722 exit(1);
3723 }
3724 break;
3725 case QEMU_OPTION_prom_env:
3726 if (nb_prom_envs >= MAX_PROM_ENVS) {
3727 error_report("too many prom variables");
3728 exit(1);
3729 }
3730 prom_envs[nb_prom_envs] = optarg;
3731 nb_prom_envs++;
3732 break;
3733 case QEMU_OPTION_old_param:
3734 old_param = 1;
3735 break;
3736 case QEMU_OPTION_rtc:
3737 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3738 false);
3739 if (!opts) {
3740 exit(1);
3741 }
3742 break;
3743 case QEMU_OPTION_tb_size:
3744 #ifndef CONFIG_TCG
3745 error_report("TCG is disabled");
3746 exit(1);
3747 #endif
3748 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3749 error_report("Invalid argument to -tb-size");
3750 exit(1);
3751 }
3752 break;
3753 case QEMU_OPTION_icount:
3754 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3755 optarg, true);
3756 if (!icount_opts) {
3757 exit(1);
3758 }
3759 break;
3760 case QEMU_OPTION_incoming:
3761 if (!incoming) {
3762 runstate_set(RUN_STATE_INMIGRATE);
3763 }
3764 incoming = optarg;
3765 break;
3766 case QEMU_OPTION_only_migratable:
3767 /*
3768 * TODO: we can remove this option one day, and we
3769 * should all use:
3770 *
3771 * "-global migration.only-migratable=true"
3772 */
3773 qemu_global_option("migration.only-migratable=true");
3774 break;
3775 case QEMU_OPTION_nodefaults:
3776 has_defaults = 0;
3777 break;
3778 case QEMU_OPTION_xen_domid:
3779 if (!(xen_available())) {
3780 error_report("Option not supported for this target");
3781 exit(1);
3782 }
3783 xen_domid = atoi(optarg);
3784 break;
3785 case QEMU_OPTION_xen_attach:
3786 if (!(xen_available())) {
3787 error_report("Option not supported for this target");
3788 exit(1);
3789 }
3790 xen_mode = XEN_ATTACH;
3791 break;
3792 case QEMU_OPTION_xen_domid_restrict:
3793 if (!(xen_available())) {
3794 error_report("Option not supported for this target");
3795 exit(1);
3796 }
3797 xen_domid_restrict = true;
3798 break;
3799 case QEMU_OPTION_trace:
3800 g_free(trace_file);
3801 trace_file = trace_opt_parse(optarg);
3802 break;
3803 case QEMU_OPTION_readconfig:
3804 {
3805 int ret = qemu_read_config_file(optarg);
3806 if (ret < 0) {
3807 error_report("read config %s: %s", optarg,
3808 strerror(-ret));
3809 exit(1);
3810 }
3811 break;
3812 }
3813 case QEMU_OPTION_spice:
3814 olist = qemu_find_opts("spice");
3815 if (!olist) {
3816 error_report("spice support is disabled");
3817 exit(1);
3818 }
3819 opts = qemu_opts_parse_noisily(olist, optarg, false);
3820 if (!opts) {
3821 exit(1);
3822 }
3823 display_remote++;
3824 break;
3825 case QEMU_OPTION_writeconfig:
3826 {
3827 FILE *fp;
3828 if (strcmp(optarg, "-") == 0) {
3829 fp = stdout;
3830 } else {
3831 fp = fopen(optarg, "w");
3832 if (fp == NULL) {
3833 error_report("open %s: %s", optarg,
3834 strerror(errno));
3835 exit(1);
3836 }
3837 }
3838 qemu_config_write(fp);
3839 if (fp != stdout) {
3840 fclose(fp);
3841 }
3842 break;
3843 }
3844 case QEMU_OPTION_qtest:
3845 qtest_chrdev = optarg;
3846 break;
3847 case QEMU_OPTION_qtest_log:
3848 qtest_log = optarg;
3849 break;
3850 case QEMU_OPTION_sandbox:
3851 #ifdef CONFIG_SECCOMP
3852 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3853 optarg, true);
3854 if (!opts) {
3855 exit(1);
3856 }
3857 #else
3858 error_report("-sandbox support is not enabled "
3859 "in this QEMU binary");
3860 exit(1);
3861 #endif
3862 break;
3863 case QEMU_OPTION_add_fd:
3864 #ifndef _WIN32
3865 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3866 optarg, false);
3867 if (!opts) {
3868 exit(1);
3869 }
3870 #else
3871 error_report("File descriptor passing is disabled on this "
3872 "platform");
3873 exit(1);
3874 #endif
3875 break;
3876 case QEMU_OPTION_object:
3877 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3878 optarg, true);
3879 if (!opts) {
3880 exit(1);
3881 }
3882 break;
3883 case QEMU_OPTION_realtime:
3884 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3885 optarg, false);
3886 if (!opts) {
3887 exit(1);
3888 }
3889 /* Don't override the -overcommit option if set */
3890 enable_mlock = enable_mlock ||
3891 qemu_opt_get_bool(opts, "mlock", true);
3892 break;
3893 case QEMU_OPTION_overcommit:
3894 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3895 optarg, false);
3896 if (!opts) {
3897 exit(1);
3898 }
3899 /* Don't override the -realtime option if set */
3900 enable_mlock = enable_mlock ||
3901 qemu_opt_get_bool(opts, "mem-lock", false);
3902 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3903 break;
3904 case QEMU_OPTION_msg:
3905 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3906 false);
3907 if (!opts) {
3908 exit(1);
3909 }
3910 configure_msg(opts);
3911 break;
3912 case QEMU_OPTION_dump_vmstate:
3913 if (vmstate_dump_file) {
3914 error_report("only one '-dump-vmstate' "
3915 "option may be given");
3916 exit(1);
3917 }
3918 vmstate_dump_file = fopen(optarg, "w");
3919 if (vmstate_dump_file == NULL) {
3920 error_report("open %s: %s", optarg, strerror(errno));
3921 exit(1);
3922 }
3923 break;
3924 case QEMU_OPTION_enable_sync_profile:
3925 qsp_enable();
3926 break;
3927 case QEMU_OPTION_nouserconfig:
3928 /* Nothing to be parsed here. Especially, do not error out below. */
3929 break;
3930 default:
3931 if (os_parse_cmd_args(popt->index, optarg)) {
3932 error_report("Option not supported in this build");
3933 exit(1);
3934 }
3935 }
3936 }
3937 }
3938 /*
3939 * Clear error location left behind by the loop.
3940 * Best done right after the loop. Do not insert code here!
3941 */
3942 loc_set_none();
3943
3944 replay_configure(icount_opts);
3945
3946 if (incoming && !preconfig_exit_requested) {
3947 error_report("'preconfig' and 'incoming' options are "
3948 "mutually exclusive");
3949 exit(EXIT_FAILURE);
3950 }
3951
3952 configure_rtc(qemu_find_opts_singleton("rtc"));
3953
3954 machine_class = select_machine();
3955
3956 set_memory_options(&ram_slots, &maxram_size, machine_class);
3957
3958 os_daemonize();
3959 rcu_disable_atfork();
3960
3961 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3962 error_reportf_err(err, "cannot create PID file: ");
3963 exit(1);
3964 }
3965
3966 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3967 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3968
3969 if (qemu_init_main_loop(&main_loop_err)) {
3970 error_report_err(main_loop_err);
3971 exit(1);
3972 }
3973
3974 #ifdef CONFIG_SECCOMP
3975 olist = qemu_find_opts_err("sandbox", NULL);
3976 if (olist) {
3977 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
3978 }
3979 #endif
3980
3981 qemu_opts_foreach(qemu_find_opts("name"),
3982 parse_name, NULL, &error_fatal);
3983
3984 #ifndef _WIN32
3985 qemu_opts_foreach(qemu_find_opts("add-fd"),
3986 parse_add_fd, NULL, &error_fatal);
3987
3988 qemu_opts_foreach(qemu_find_opts("add-fd"),
3989 cleanup_add_fd, NULL, &error_fatal);
3990 #endif
3991
3992 current_machine = MACHINE(object_new(object_class_get_name(
3993 OBJECT_CLASS(machine_class))));
3994 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3995 exit(0);
3996 }
3997 object_property_add_child(object_get_root(), "machine",
3998 OBJECT(current_machine), &error_abort);
3999
4000 if (machine_class->minimum_page_bits) {
4001 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4002 /* This would be a board error: specifying a minimum smaller than
4003 * a target's compile-time fixed setting.
4004 */
4005 g_assert_not_reached();
4006 }
4007 }
4008
4009 cpu_exec_init_all();
4010
4011 if (machine_class->hw_version) {
4012 qemu_set_hw_version(machine_class->hw_version);
4013 }
4014
4015 if (cpu_model && is_help_option(cpu_model)) {
4016 list_cpus(stdout, &fprintf, cpu_model);
4017 exit(0);
4018 }
4019
4020 if (!trace_init_backends()) {
4021 exit(1);
4022 }
4023 trace_init_file(trace_file);
4024
4025 /* Open the logfile at this point and set the log mask if necessary.
4026 */
4027 if (log_file) {
4028 qemu_set_log_filename(log_file, &error_fatal);
4029 }
4030
4031 if (log_mask) {
4032 int mask;
4033 mask = qemu_str_to_log_mask(log_mask);
4034 if (!mask) {
4035 qemu_print_log_usage(stdout);
4036 exit(1);
4037 }
4038 qemu_set_log(mask);
4039 } else {
4040 qemu_set_log(0);
4041 }
4042
4043 /* add configured firmware directories */
4044 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4045 for (i = 0; dirs[i] != NULL; i++) {
4046 qemu_add_data_dir(dirs[i]);
4047 }
4048 g_strfreev(dirs);
4049
4050 /* try to find datadir relative to the executable path */
4051 dir = os_find_datadir();
4052 qemu_add_data_dir(dir);
4053 g_free(dir);
4054
4055 /* add the datadir specified when building */
4056 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4057
4058 /* -L help lists the data directories and exits. */
4059 if (list_data_dirs) {
4060 for (i = 0; i < data_dir_idx; i++) {
4061 printf("%s\n", data_dir[i]);
4062 }
4063 exit(0);
4064 }
4065
4066 /* machine_class: default to UP */
4067 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4068 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4069 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4070
4071 /* default to machine_class->default_cpus */
4072 smp_cpus = machine_class->default_cpus;
4073 max_cpus = machine_class->default_cpus;
4074
4075 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4076
4077 /* sanity-check smp_cpus and max_cpus against machine_class */
4078 if (smp_cpus < machine_class->min_cpus) {
4079 error_report("Invalid SMP CPUs %d. The min CPUs "
4080 "supported by machine '%s' is %d", smp_cpus,
4081 machine_class->name, machine_class->min_cpus);
4082 exit(1);
4083 }
4084 if (max_cpus > machine_class->max_cpus) {
4085 error_report("Invalid SMP CPUs %d. The max CPUs "
4086 "supported by machine '%s' is %d", max_cpus,
4087 machine_class->name, machine_class->max_cpus);
4088 exit(1);
4089 }
4090
4091 /*
4092 * Get the default machine options from the machine if it is not already
4093 * specified either by the configuration file or by the command line.
4094 */
4095 if (machine_class->default_machine_opts) {
4096 qemu_opts_set_defaults(qemu_find_opts("machine"),
4097 machine_class->default_machine_opts, 0);
4098 }
4099
4100 qemu_opts_foreach(qemu_find_opts("device"),
4101 default_driver_check, NULL, NULL);
4102 qemu_opts_foreach(qemu_find_opts("global"),
4103 default_driver_check, NULL, NULL);
4104
4105 if (!vga_model && !default_vga) {
4106 vga_interface_type = VGA_DEVICE;
4107 }
4108 if (!has_defaults || machine_class->no_serial) {
4109 default_serial = 0;
4110 }
4111 if (!has_defaults || machine_class->no_parallel) {
4112 default_parallel = 0;
4113 }
4114 if (!has_defaults || machine_class->no_floppy) {
4115 default_floppy = 0;
4116 }
4117 if (!has_defaults || machine_class->no_cdrom) {
4118 default_cdrom = 0;
4119 }
4120 if (!has_defaults || machine_class->no_sdcard) {
4121 default_sdcard = 0;
4122 }
4123 if (!has_defaults) {
4124 default_monitor = 0;
4125 default_net = 0;
4126 default_vga = 0;
4127 }
4128
4129 if (is_daemonized()) {
4130 if (!preconfig_exit_requested) {
4131 error_report("'preconfig' and 'daemonize' options are "
4132 "mutually exclusive");
4133 exit(EXIT_FAILURE);
4134 }
4135
4136 /* According to documentation and historically, -nographic redirects
4137 * serial port, parallel port and monitor to stdio, which does not work
4138 * with -daemonize. We can redirect these to null instead, but since
4139 * -nographic is legacy, let's just error out.
4140 * We disallow -nographic only if all other ports are not redirected
4141 * explicitly, to not break existing legacy setups which uses
4142 * -nographic _and_ redirects all ports explicitly - this is valid
4143 * usage, -nographic is just a no-op in this case.
4144 */
4145 if (nographic
4146 && (default_parallel || default_serial || default_monitor)) {
4147 error_report("-nographic cannot be used with -daemonize");
4148 exit(1);
4149 }
4150 #ifdef CONFIG_CURSES
4151 if (dpy.type == DISPLAY_TYPE_CURSES) {
4152 error_report("curses display cannot be used with -daemonize");
4153 exit(1);
4154 }
4155 #endif
4156 }
4157
4158 if (nographic) {
4159 if (default_parallel)
4160 add_device_config(DEV_PARALLEL, "null");
4161 if (default_serial && default_monitor) {
4162 add_device_config(DEV_SERIAL, "mon:stdio");
4163 } else {
4164 if (default_serial)
4165 add_device_config(DEV_SERIAL, "stdio");
4166 if (default_monitor)
4167 monitor_parse("stdio", "readline", false);
4168 }
4169 } else {
4170 if (default_serial)
4171 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4172 if (default_parallel)
4173 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4174 if (default_monitor)
4175 monitor_parse("vc:80Cx24C", "readline", false);
4176 }
4177
4178 #if defined(CONFIG_VNC)
4179 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4180 display_remote++;
4181 }
4182 #endif
4183 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4184 if (!qemu_display_find_default(&dpy)) {
4185 dpy.type = DISPLAY_TYPE_NONE;
4186 #if defined(CONFIG_VNC)
4187 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4188 #endif
4189 }
4190 }
4191 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4192 dpy.type = DISPLAY_TYPE_NONE;
4193 }
4194
4195 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4196 error_report("-alt-grab and -ctrl-grab are only valid "
4197 "for SDL, ignoring option");
4198 }
4199 if (dpy.has_window_close &&
4200 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4201 error_report("-no-quit is only valid for GTK and SDL, "
4202 "ignoring option");
4203 }
4204
4205 qemu_display_early_init(&dpy);
4206 qemu_console_early_init();
4207
4208 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4209 #if defined(CONFIG_OPENGL)
4210 error_report("OpenGL is not supported by the display");
4211 #else
4212 error_report("OpenGL support is disabled");
4213 #endif
4214 exit(1);
4215 }
4216
4217 page_size_init();
4218 socket_init();
4219
4220 qemu_opts_foreach(qemu_find_opts("object"),
4221 user_creatable_add_opts_foreach,
4222 object_create_initial, &error_fatal);
4223
4224 qemu_opts_foreach(qemu_find_opts("chardev"),
4225 chardev_init_func, NULL, &error_fatal);
4226
4227 #ifdef CONFIG_VIRTFS
4228 qemu_opts_foreach(qemu_find_opts("fsdev"),
4229 fsdev_init_func, NULL, &error_fatal);
4230 #endif
4231
4232 if (qemu_opts_foreach(qemu_find_opts("device"),
4233 device_help_func, NULL, NULL)) {
4234 exit(0);
4235 }
4236
4237 machine_opts = qemu_get_machine_opts();
4238 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4239 &error_fatal);
4240 current_machine->ram_size = ram_size;
4241 current_machine->maxram_size = maxram_size;
4242 current_machine->ram_slots = ram_slots;
4243
4244 configure_accelerator(current_machine, argv[0]);
4245
4246 if (!qtest_enabled() && machine_class->deprecation_reason) {
4247 error_report("Machine type '%s' is deprecated: %s",
4248 machine_class->name, machine_class->deprecation_reason);
4249 }
4250
4251 /*
4252 * Register all the global properties, including accel properties,
4253 * machine properties, and user-specified ones.
4254 */
4255 register_global_properties(current_machine);
4256
4257 /*
4258 * Migration object can only be created after global properties
4259 * are applied correctly.
4260 */
4261 migration_object_init();
4262
4263 if (qtest_chrdev) {
4264 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4265 }
4266
4267 machine_opts = qemu_get_machine_opts();
4268 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4269 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4270 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4271 bios_name = qemu_opt_get(machine_opts, "firmware");
4272
4273 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4274 if (opts) {
4275 boot_order = qemu_opt_get(opts, "order");
4276 if (boot_order) {
4277 validate_bootdevices(boot_order, &error_fatal);
4278 }
4279
4280 boot_once = qemu_opt_get(opts, "once");
4281 if (boot_once) {
4282 validate_bootdevices(boot_once, &error_fatal);
4283 }
4284
4285 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4286 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4287 }
4288
4289 if (!boot_order) {
4290 boot_order = machine_class->default_boot_order;
4291 }
4292
4293 if (!kernel_cmdline) {
4294 kernel_cmdline = "";
4295 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4296 }
4297
4298 linux_boot = (kernel_filename != NULL);
4299
4300 if (!linux_boot && *kernel_cmdline != '\0') {
4301 error_report("-append only allowed with -kernel option");
4302 exit(1);
4303 }
4304
4305 if (!linux_boot && initrd_filename != NULL) {
4306 error_report("-initrd only allowed with -kernel option");
4307 exit(1);
4308 }
4309
4310 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4311 /* fall back to the -kernel/-append */
4312 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4313 }
4314
4315 os_set_line_buffering();
4316
4317 /* spice needs the timers to be initialized by this point */
4318 qemu_spice_init();
4319
4320 cpu_ticks_init();
4321 if (icount_opts) {
4322 if (!tcg_enabled()) {
4323 error_report("-icount is not allowed with hardware virtualization");
4324 exit(1);
4325 }
4326 configure_icount(icount_opts, &error_abort);
4327 qemu_opts_del(icount_opts);
4328 }
4329
4330 if (tcg_enabled()) {
4331 qemu_tcg_configure(accel_opts, &error_fatal);
4332 }
4333
4334 if (default_net) {
4335 QemuOptsList *net = qemu_find_opts("net");
4336 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4337 #ifdef CONFIG_SLIRP
4338 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4339 #endif
4340 }
4341
4342 if (net_init_clients(&err) < 0) {
4343 error_report_err(err);
4344 exit(1);
4345 }
4346
4347 qemu_opts_foreach(qemu_find_opts("object"),
4348 user_creatable_add_opts_foreach,
4349 object_create_delayed, &error_fatal);
4350
4351 tpm_init();
4352
4353 /* init the bluetooth world */
4354 if (foreach_device_config(DEV_BT, bt_parse))
4355 exit(1);
4356
4357 if (!xen_enabled()) {
4358 /* On 32-bit hosts, QEMU is limited by virtual address space */
4359 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4360 error_report("at most 2047 MB RAM can be simulated");
4361 exit(1);
4362 }
4363 }
4364
4365 blk_mig_init();
4366 ram_mig_init();
4367 dirty_bitmap_mig_init();
4368
4369 /* If the currently selected machine wishes to override the units-per-bus
4370 * property of its default HBA interface type, do so now. */
4371 if (machine_class->units_per_default_bus) {
4372 override_max_devs(machine_class->block_default_type,
4373 machine_class->units_per_default_bus);
4374 }
4375
4376 /* open the virtual block devices */
4377 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4378 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4379
4380 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4381 loc_push_restore(&bdo->loc);
4382 qmp_blockdev_add(bdo->bdo, &error_fatal);
4383 loc_pop(&bdo->loc);
4384 qapi_free_BlockdevOptions(bdo->bdo);
4385 g_free(bdo);
4386 }
4387 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4388 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4389 NULL, NULL);
4390 }
4391 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4392 &machine_class->block_default_type, &error_fatal)) {
4393 /* We printed help */
4394 exit(0);
4395 }
4396
4397 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4398 CDROM_OPTS);
4399 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4400 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4401
4402 qemu_opts_foreach(qemu_find_opts("mon"),
4403 mon_init_func, NULL, &error_fatal);
4404
4405 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4406 exit(1);
4407 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4408 exit(1);
4409 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4410 exit(1);
4411
4412 /* If no default VGA is requested, the default is "none". */
4413 if (default_vga) {
4414 if (machine_class->default_display) {
4415 vga_model = machine_class->default_display;
4416 } else if (vga_interface_available(VGA_CIRRUS)) {
4417 vga_model = "cirrus";
4418 } else if (vga_interface_available(VGA_STD)) {
4419 vga_model = "std";
4420 }
4421 }
4422 if (vga_model) {
4423 select_vgahw(vga_model);
4424 }
4425
4426 if (watchdog) {
4427 i = select_watchdog(watchdog);
4428 if (i > 0)
4429 exit (i == 1 ? 1 : 0);
4430 }
4431
4432 /* This checkpoint is required by replay to separate prior clock
4433 reading from the other reads, because timer polling functions query
4434 clock values from the log. */
4435 replay_checkpoint(CHECKPOINT_INIT);
4436 qdev_machine_init();
4437
4438 current_machine->boot_order = boot_order;
4439
4440 /* parse features once if machine provides default cpu_type */
4441 current_machine->cpu_type = machine_class->default_cpu_type;
4442 if (cpu_model) {
4443 current_machine->cpu_type = parse_cpu_model(cpu_model);
4444 }
4445 parse_numa_opts(current_machine);
4446
4447 /* do monitor/qmp handling at preconfig state if requested */
4448 main_loop();
4449
4450 /* from here on runstate is RUN_STATE_PRELAUNCH */
4451 machine_run_board_init(current_machine);
4452
4453 realtime_init();
4454
4455 soundhw_init();
4456
4457 if (hax_enabled()) {
4458 hax_sync_vcpus();
4459 }
4460
4461 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4462 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4463
4464 /* init USB devices */
4465 if (machine_usb(current_machine)) {
4466 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4467 exit(1);
4468 }
4469
4470 /* Check if IGD GFX passthrough. */
4471 igd_gfx_passthru();
4472
4473 /* init generic devices */
4474 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4475 qemu_opts_foreach(qemu_find_opts("device"),
4476 device_init_func, NULL, &error_fatal);
4477
4478 cpu_synchronize_all_post_init();
4479
4480 rom_reset_order_override();
4481
4482 /* Did we create any drives that we failed to create a device for? */
4483 drive_check_orphaned();
4484
4485 /* Don't warn about the default network setup that you get if
4486 * no command line -net or -netdev options are specified. There
4487 * are two cases that we would otherwise complain about:
4488 * (1) board doesn't support a NIC but the implicit "-net nic"
4489 * requested one
4490 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4491 * sets up a nic that isn't connected to anything.
4492 */
4493 if (!default_net && (!qtest_enabled() || has_defaults)) {
4494 net_check_clients();
4495 }
4496
4497 if (boot_once) {
4498 qemu_boot_set(boot_once, &error_fatal);
4499 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4500 }
4501
4502 /* init local displays */
4503 ds = init_displaystate();
4504 qemu_display_init(ds, &dpy);
4505
4506 /* must be after terminal init, SDL library changes signal handlers */
4507 os_setup_signal_handling();
4508
4509 /* init remote displays */
4510 #ifdef CONFIG_VNC
4511 qemu_opts_foreach(qemu_find_opts("vnc"),
4512 vnc_init_func, NULL, &error_fatal);
4513 #endif
4514
4515 if (using_spice) {
4516 qemu_spice_display_init();
4517 }
4518
4519 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4520 exit(1);
4521 }
4522
4523 qdev_machine_creation_done();
4524
4525 /* TODO: once all bus devices are qdevified, this should be done
4526 * when bus is created by qdev.c */
4527 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4528 qemu_run_machine_init_done_notifiers();
4529
4530 if (rom_check_and_register_reset() != 0) {
4531 error_report("rom check and register reset failed");
4532 exit(1);
4533 }
4534
4535 replay_start();
4536
4537 /* This checkpoint is required by replay to separate prior clock
4538 reading from the other reads, because timer polling functions query
4539 clock values from the log. */
4540 replay_checkpoint(CHECKPOINT_RESET);
4541 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4542 register_global_state();
4543 if (loadvm) {
4544 Error *local_err = NULL;
4545 if (load_snapshot(loadvm, &local_err) < 0) {
4546 error_report_err(local_err);
4547 autostart = 0;
4548 exit(1);
4549 }
4550 }
4551 if (replay_mode != REPLAY_MODE_NONE) {
4552 replay_vmstate_init();
4553 }
4554
4555 qdev_prop_check_globals();
4556 if (vmstate_dump_file) {
4557 /* dump and exit */
4558 dump_vmstate_json_to_file(vmstate_dump_file);
4559 return 0;
4560 }
4561
4562 if (incoming) {
4563 Error *local_err = NULL;
4564 qemu_start_incoming_migration(incoming, &local_err);
4565 if (local_err) {
4566 error_reportf_err(local_err, "-incoming %s: ", incoming);
4567 exit(1);
4568 }
4569 } else if (autostart) {
4570 vm_start();
4571 }
4572
4573 accel_setup_post(current_machine);
4574 os_setup_post();
4575
4576 main_loop();
4577
4578 gdbserver_cleanup();
4579
4580 /*
4581 * cleaning up the migration object cancels any existing migration
4582 * try to do this early so that it also stops using devices.
4583 */
4584 migration_shutdown();
4585
4586 /* No more vcpu or device emulation activity beyond this point */
4587 vm_shutdown();
4588
4589 job_cancel_sync_all();
4590 bdrv_close_all();
4591
4592 res_free();
4593
4594 /* vhost-user must be cleaned up before chardevs. */
4595 tpm_cleanup();
4596 net_cleanup();
4597 audio_cleanup();
4598 monitor_cleanup();
4599 qemu_chr_cleanup();
4600 user_creatable_cleanup();
4601 /* TODO: unref root container, check all devices are ok */
4602
4603 return 0;
4604 }
AR7 emulation for QEMU