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hw/riscv/Makefile.objs: Create CONFIG_* for riscv boards
[qemu/armbru.git] / vl.c
blob41d6af29473c7f6b94f8934598121b708e48931b
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
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qapi-commands-ui.h"
132 #include "qapi/qmp/qerror.h"
133 #include "sysemu/iothread.h"
134
135 #define MAX_VIRTIO_CONSOLES 1
136
137 static const char *data_dir[16];
138 static int data_dir_idx;
139 const char *bios_name = NULL;
140 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
141 int display_opengl;
142 const char* keyboard_layout = NULL;
143 ram_addr_t ram_size;
144 const char *mem_path = NULL;
145 int mem_prealloc = 0; /* force preallocation of physical target memory */
146 bool enable_mlock = false;
147 bool enable_cpu_pm = false;
148 int nb_nics;
149 NICInfo nd_table[MAX_NICS];
150 int autostart;
151 static enum {
152 RTC_BASE_UTC,
153 RTC_BASE_LOCALTIME,
154 RTC_BASE_DATETIME,
155 } rtc_base_type = RTC_BASE_UTC;
156 static time_t rtc_ref_start_datetime;
157 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
158 static int rtc_host_datetime_offset = -1; /* valid & used only with
159 RTC_BASE_DATETIME */
160 QEMUClockType rtc_clock;
161 int vga_interface_type = VGA_NONE;
162 static DisplayOptions dpy;
163 int no_frame;
164 static int num_serial_hds;
165 static Chardev **serial_hds;
166 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
167 int win2k_install_hack = 0;
168 int singlestep = 0;
169 int smp_cpus;
170 unsigned int max_cpus;
171 int smp_cores = 1;
172 int smp_threads = 1;
173 int acpi_enabled = 1;
174 int no_hpet = 0;
175 int fd_bootchk = 1;
176 static int no_reboot;
177 int no_shutdown = 0;
178 int cursor_hide = 1;
179 int graphic_rotate = 0;
180 const char *watchdog;
181 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
182 int nb_option_roms;
183 int old_param = 0;
184 const char *qemu_name;
185 int alt_grab = 0;
186 int ctrl_grab = 0;
187 unsigned int nb_prom_envs = 0;
188 const char *prom_envs[MAX_PROM_ENVS];
189 int boot_menu;
190 bool boot_strict;
191 uint8_t *boot_splash_filedata;
192 size_t boot_splash_filedata_size;
193 bool wakeup_suspend_enabled;
194
195 int icount_align_option;
196
197 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
198 * little-endian "wire format" described in the SMBIOS 2.6 specification.
199 */
200 QemuUUID qemu_uuid;
201 bool qemu_uuid_set;
202
203 static NotifierList exit_notifiers =
204 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
205
206 static NotifierList machine_init_done_notifiers =
207 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
208
209 bool xen_allowed;
210 uint32_t xen_domid;
211 enum xen_mode xen_mode = XEN_EMULATE;
212 bool xen_domid_restrict;
213
214 static int has_defaults = 1;
215 static int default_serial = 1;
216 static int default_parallel = 1;
217 static int default_monitor = 1;
218 static int default_floppy = 1;
219 static int default_cdrom = 1;
220 static int default_sdcard = 1;
221 static int default_vga = 1;
222 static int default_net = 1;
223
224 static struct {
225 const char *driver;
226 int *flag;
227 } default_list[] = {
228 { .driver = "isa-serial", .flag = &default_serial },
229 { .driver = "isa-parallel", .flag = &default_parallel },
230 { .driver = "isa-fdc", .flag = &default_floppy },
231 { .driver = "floppy", .flag = &default_floppy },
232 { .driver = "ide-cd", .flag = &default_cdrom },
233 { .driver = "ide-hd", .flag = &default_cdrom },
234 { .driver = "ide-drive", .flag = &default_cdrom },
235 { .driver = "scsi-cd", .flag = &default_cdrom },
236 { .driver = "scsi-hd", .flag = &default_cdrom },
237 { .driver = "VGA", .flag = &default_vga },
238 { .driver = "isa-vga", .flag = &default_vga },
239 { .driver = "cirrus-vga", .flag = &default_vga },
240 { .driver = "isa-cirrus-vga", .flag = &default_vga },
241 { .driver = "vmware-svga", .flag = &default_vga },
242 { .driver = "qxl-vga", .flag = &default_vga },
243 { .driver = "virtio-vga", .flag = &default_vga },
244 };
245
246 static QemuOptsList qemu_rtc_opts = {
247 .name = "rtc",
248 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
249 .merge_lists = true,
250 .desc = {
251 {
252 .name = "base",
253 .type = QEMU_OPT_STRING,
254 },{
255 .name = "clock",
256 .type = QEMU_OPT_STRING,
257 },{
258 .name = "driftfix",
259 .type = QEMU_OPT_STRING,
260 },
261 { /* end of list */ }
262 },
263 };
264
265 static QemuOptsList qemu_option_rom_opts = {
266 .name = "option-rom",
267 .implied_opt_name = "romfile",
268 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
269 .desc = {
270 {
271 .name = "bootindex",
272 .type = QEMU_OPT_NUMBER,
273 }, {
274 .name = "romfile",
275 .type = QEMU_OPT_STRING,
276 },
277 { /* end of list */ }
278 },
279 };
280
281 static QemuOptsList qemu_machine_opts = {
282 .name = "machine",
283 .implied_opt_name = "type",
284 .merge_lists = true,
285 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
286 .desc = {
287 /*
288 * no elements => accept any
289 * sanity checking will happen later
290 * when setting machine properties
291 */
292 { }
293 },
294 };
295
296 static QemuOptsList qemu_accel_opts = {
297 .name = "accel",
298 .implied_opt_name = "accel",
299 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
300 .merge_lists = true,
301 .desc = {
302 {
303 .name = "accel",
304 .type = QEMU_OPT_STRING,
305 .help = "Select the type of accelerator",
306 },
307 {
308 .name = "thread",
309 .type = QEMU_OPT_STRING,
310 .help = "Enable/disable multi-threaded TCG",
311 },
312 { /* end of list */ }
313 },
314 };
315
316 static QemuOptsList qemu_boot_opts = {
317 .name = "boot-opts",
318 .implied_opt_name = "order",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
321 .desc = {
322 {
323 .name = "order",
324 .type = QEMU_OPT_STRING,
325 }, {
326 .name = "once",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "menu",
330 .type = QEMU_OPT_BOOL,
331 }, {
332 .name = "splash",
333 .type = QEMU_OPT_STRING,
334 }, {
335 .name = "splash-time",
336 .type = QEMU_OPT_NUMBER,
337 }, {
338 .name = "reboot-timeout",
339 .type = QEMU_OPT_NUMBER,
340 }, {
341 .name = "strict",
342 .type = QEMU_OPT_BOOL,
343 },
344 { /*End of list */ }
345 },
346 };
347
348 static QemuOptsList qemu_add_fd_opts = {
349 .name = "add-fd",
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
351 .desc = {
352 {
353 .name = "fd",
354 .type = QEMU_OPT_NUMBER,
355 .help = "file descriptor of which a duplicate is added to fd set",
356 },{
357 .name = "set",
358 .type = QEMU_OPT_NUMBER,
359 .help = "ID of the fd set to add fd to",
360 },{
361 .name = "opaque",
362 .type = QEMU_OPT_STRING,
363 .help = "free-form string used to describe fd",
364 },
365 { /* end of list */ }
366 },
367 };
368
369 static QemuOptsList qemu_object_opts = {
370 .name = "object",
371 .implied_opt_name = "qom-type",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
373 .desc = {
374 { }
375 },
376 };
377
378 static QemuOptsList qemu_tpmdev_opts = {
379 .name = "tpmdev",
380 .implied_opt_name = "type",
381 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
382 .desc = {
383 /* options are defined in the TPM backends */
384 { /* end of list */ }
385 },
386 };
387
388 static QemuOptsList qemu_realtime_opts = {
389 .name = "realtime",
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
391 .desc = {
392 {
393 .name = "mlock",
394 .type = QEMU_OPT_BOOL,
395 },
396 { /* end of list */ }
397 },
398 };
399
400 static QemuOptsList qemu_overcommit_opts = {
401 .name = "overcommit",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
403 .desc = {
404 {
405 .name = "mem-lock",
406 .type = QEMU_OPT_BOOL,
407 },
408 {
409 .name = "cpu-pm",
410 .type = QEMU_OPT_BOOL,
411 },
412 { /* end of list */ }
413 },
414 };
415
416 static QemuOptsList qemu_msg_opts = {
417 .name = "msg",
418 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
419 .desc = {
420 {
421 .name = "timestamp",
422 .type = QEMU_OPT_BOOL,
423 },
424 { /* end of list */ }
425 },
426 };
427
428 static QemuOptsList qemu_name_opts = {
429 .name = "name",
430 .implied_opt_name = "guest",
431 .merge_lists = true,
432 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
433 .desc = {
434 {
435 .name = "guest",
436 .type = QEMU_OPT_STRING,
437 .help = "Sets the name of the guest.\n"
438 "This name will be displayed in the SDL window caption.\n"
439 "The name will also be used for the VNC server",
440 }, {
441 .name = "process",
442 .type = QEMU_OPT_STRING,
443 .help = "Sets the name of the QEMU process, as shown in top etc",
444 }, {
445 .name = "debug-threads",
446 .type = QEMU_OPT_BOOL,
447 .help = "When enabled, name the individual threads; defaults off.\n"
448 "NOTE: The thread names are for debugging and not a\n"
449 "stable API.",
450 },
451 { /* End of list */ }
452 },
453 };
454
455 static QemuOptsList qemu_mem_opts = {
456 .name = "memory",
457 .implied_opt_name = "size",
458 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
459 .merge_lists = true,
460 .desc = {
461 {
462 .name = "size",
463 .type = QEMU_OPT_SIZE,
464 },
465 {
466 .name = "slots",
467 .type = QEMU_OPT_NUMBER,
468 },
469 {
470 .name = "maxmem",
471 .type = QEMU_OPT_SIZE,
472 },
473 { /* end of list */ }
474 },
475 };
476
477 static QemuOptsList qemu_icount_opts = {
478 .name = "icount",
479 .implied_opt_name = "shift",
480 .merge_lists = true,
481 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
482 .desc = {
483 {
484 .name = "shift",
485 .type = QEMU_OPT_STRING,
486 }, {
487 .name = "align",
488 .type = QEMU_OPT_BOOL,
489 }, {
490 .name = "sleep",
491 .type = QEMU_OPT_BOOL,
492 }, {
493 .name = "rr",
494 .type = QEMU_OPT_STRING,
495 }, {
496 .name = "rrfile",
497 .type = QEMU_OPT_STRING,
498 }, {
499 .name = "rrsnapshot",
500 .type = QEMU_OPT_STRING,
501 },
502 { /* end of list */ }
503 },
504 };
505
506 static QemuOptsList qemu_semihosting_config_opts = {
507 .name = "semihosting-config",
508 .implied_opt_name = "enable",
509 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
510 .desc = {
511 {
512 .name = "enable",
513 .type = QEMU_OPT_BOOL,
514 }, {
515 .name = "target",
516 .type = QEMU_OPT_STRING,
517 }, {
518 .name = "arg",
519 .type = QEMU_OPT_STRING,
520 },
521 { /* end of list */ }
522 },
523 };
524
525 static QemuOptsList qemu_fw_cfg_opts = {
526 .name = "fw_cfg",
527 .implied_opt_name = "name",
528 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
529 .desc = {
530 {
531 .name = "name",
532 .type = QEMU_OPT_STRING,
533 .help = "Sets the fw_cfg name of the blob to be inserted",
534 }, {
535 .name = "file",
536 .type = QEMU_OPT_STRING,
537 .help = "Sets the name of the file from which "
538 "the fw_cfg blob will be loaded",
539 }, {
540 .name = "string",
541 .type = QEMU_OPT_STRING,
542 .help = "Sets content of the blob to be inserted from a string",
543 },
544 { /* end of list */ }
545 },
546 };
547
548 /**
549 * Get machine options
550 *
551 * Returns: machine options (never null).
552 */
553 QemuOpts *qemu_get_machine_opts(void)
554 {
555 return qemu_find_opts_singleton("machine");
556 }
557
558 const char *qemu_get_vm_name(void)
559 {
560 return qemu_name;
561 }
562
563 static void res_free(void)
564 {
565 g_free(boot_splash_filedata);
566 boot_splash_filedata = NULL;
567 }
568
569 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
570 {
571 const char *driver = qemu_opt_get(opts, "driver");
572 int i;
573
574 if (!driver)
575 return 0;
576 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
577 if (strcmp(default_list[i].driver, driver) != 0)
578 continue;
579 *(default_list[i].flag) = 0;
580 }
581 return 0;
582 }
583
584 /***********************************************************/
585 /* QEMU state */
586
587 static RunState current_run_state = RUN_STATE_PRECONFIG;
588
589 /* We use RUN_STATE__MAX but any invalid value will do */
590 static RunState vmstop_requested = RUN_STATE__MAX;
591 static QemuMutex vmstop_lock;
592
593 typedef struct {
594 RunState from;
595 RunState to;
596 } RunStateTransition;
597
598 static const RunStateTransition runstate_transitions_def[] = {
599 /* from -> to */
600 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
601 /* Early switch to inmigrate state to allow -incoming CLI option work
602 * as it used to. TODO: delay actual switching to inmigrate state to
603 * the point after machine is built and remove this hack.
604 */
605 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
606
607 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
608 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
610
611 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
612 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
613 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
614 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
615 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
616 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
617 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
618 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
619 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
621 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
622 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
623
624 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
625 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
627
628 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
629 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
631
632 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
633 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
635 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
636 { RUN_STATE_PAUSED, RUN_STATE_COLO},
637
638 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
639 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
641
642 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
643 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
645
646 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
647 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
648 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
651
652 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
653 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
654
655 { RUN_STATE_COLO, RUN_STATE_RUNNING },
656
657 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
658 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
659 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
660 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
661 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
662 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
663 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
664 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
665 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
666 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
667 { RUN_STATE_RUNNING, RUN_STATE_COLO},
668
669 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
670
671 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
672 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
673 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
674
675 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
676 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
677 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
678 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
679 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
680 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
681
682 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
683 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
684 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
685 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
686
687 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
688 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
689 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
690
691 { RUN_STATE__MAX, RUN_STATE__MAX },
692 };
693
694 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
695
696 bool runstate_check(RunState state)
697 {
698 return current_run_state == state;
699 }
700
701 bool runstate_store(char *str, size_t size)
702 {
703 const char *state = RunState_str(current_run_state);
704 size_t len = strlen(state) + 1;
705
706 if (len > size) {
707 return false;
708 }
709 memcpy(str, state, len);
710 return true;
711 }
712
713 static void runstate_init(void)
714 {
715 const RunStateTransition *p;
716
717 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
718 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
719 runstate_valid_transitions[p->from][p->to] = true;
720 }
721
722 qemu_mutex_init(&vmstop_lock);
723 }
724
725 /* This function will abort() on invalid state transitions */
726 void runstate_set(RunState new_state)
727 {
728 assert(new_state < RUN_STATE__MAX);
729
730 trace_runstate_set(current_run_state, RunState_str(current_run_state),
731 new_state, RunState_str(current_run_state));
732
733 if (current_run_state == new_state) {
734 return;
735 }
736
737 if (!runstate_valid_transitions[current_run_state][new_state]) {
738 error_report("invalid runstate transition: '%s' -> '%s'",
739 RunState_str(current_run_state),
740 RunState_str(new_state));
741 abort();
742 }
743
744 current_run_state = new_state;
745 }
746
747 int runstate_is_running(void)
748 {
749 return runstate_check(RUN_STATE_RUNNING);
750 }
751
752 bool runstate_needs_reset(void)
753 {
754 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
755 runstate_check(RUN_STATE_SHUTDOWN);
756 }
757
758 StatusInfo *qmp_query_status(Error **errp)
759 {
760 StatusInfo *info = g_malloc0(sizeof(*info));
761
762 info->running = runstate_is_running();
763 info->singlestep = singlestep;
764 info->status = current_run_state;
765
766 return info;
767 }
768
769 bool qemu_vmstop_requested(RunState *r)
770 {
771 qemu_mutex_lock(&vmstop_lock);
772 *r = vmstop_requested;
773 vmstop_requested = RUN_STATE__MAX;
774 qemu_mutex_unlock(&vmstop_lock);
775 return *r < RUN_STATE__MAX;
776 }
777
778 void qemu_system_vmstop_request_prepare(void)
779 {
780 qemu_mutex_lock(&vmstop_lock);
781 }
782
783 void qemu_system_vmstop_request(RunState state)
784 {
785 vmstop_requested = state;
786 qemu_mutex_unlock(&vmstop_lock);
787 qemu_notify_event();
788 }
789
790 /***********************************************************/
791 /* RTC reference time/date access */
792 static time_t qemu_ref_timedate(QEMUClockType clock)
793 {
794 time_t value = qemu_clock_get_ms(clock) / 1000;
795 switch (clock) {
796 case QEMU_CLOCK_REALTIME:
797 value -= rtc_realtime_clock_offset;
798 /* no break */
799 case QEMU_CLOCK_VIRTUAL:
800 value += rtc_ref_start_datetime;
801 break;
802 case QEMU_CLOCK_HOST:
803 if (rtc_base_type == RTC_BASE_DATETIME) {
804 value -= rtc_host_datetime_offset;
805 }
806 break;
807 default:
808 assert(0);
809 }
810 return value;
811 }
812
813 void qemu_get_timedate(struct tm *tm, int offset)
814 {
815 time_t ti = qemu_ref_timedate(rtc_clock);
816
817 ti += offset;
818
819 switch (rtc_base_type) {
820 case RTC_BASE_DATETIME:
821 case RTC_BASE_UTC:
822 gmtime_r(&ti, tm);
823 break;
824 case RTC_BASE_LOCALTIME:
825 localtime_r(&ti, tm);
826 break;
827 }
828 }
829
830 int qemu_timedate_diff(struct tm *tm)
831 {
832 time_t seconds;
833
834 switch (rtc_base_type) {
835 case RTC_BASE_DATETIME:
836 case RTC_BASE_UTC:
837 seconds = mktimegm(tm);
838 break;
839 case RTC_BASE_LOCALTIME:
840 {
841 struct tm tmp = *tm;
842 tmp.tm_isdst = -1; /* use timezone to figure it out */
843 seconds = mktime(&tmp);
844 break;
845 }
846 default:
847 abort();
848 }
849
850 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
851 }
852
853 static void configure_rtc_base_datetime(const char *startdate)
854 {
855 time_t rtc_start_datetime;
856 struct tm tm;
857
858 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
859 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
860 /* OK */
861 } else if (sscanf(startdate, "%d-%d-%d",
862 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
863 tm.tm_hour = 0;
864 tm.tm_min = 0;
865 tm.tm_sec = 0;
866 } else {
867 goto date_fail;
868 }
869 tm.tm_year -= 1900;
870 tm.tm_mon--;
871 rtc_start_datetime = mktimegm(&tm);
872 if (rtc_start_datetime == -1) {
873 date_fail:
874 error_report("invalid datetime format");
875 error_printf("valid formats: "
876 "'2006-06-17T16:01:21' or '2006-06-17'\n");
877 exit(1);
878 }
879 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
880 rtc_ref_start_datetime = rtc_start_datetime;
881 }
882
883 static void configure_rtc(QemuOpts *opts)
884 {
885 const char *value;
886
887 /* Set defaults */
888 rtc_clock = QEMU_CLOCK_HOST;
889 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
890 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
891
892 value = qemu_opt_get(opts, "base");
893 if (value) {
894 if (!strcmp(value, "utc")) {
895 rtc_base_type = RTC_BASE_UTC;
896 } else if (!strcmp(value, "localtime")) {
897 Error *blocker = NULL;
898 rtc_base_type = RTC_BASE_LOCALTIME;
899 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
900 "-rtc base=localtime");
901 replay_add_blocker(blocker);
902 } else {
903 rtc_base_type = RTC_BASE_DATETIME;
904 configure_rtc_base_datetime(value);
905 }
906 }
907 value = qemu_opt_get(opts, "clock");
908 if (value) {
909 if (!strcmp(value, "host")) {
910 rtc_clock = QEMU_CLOCK_HOST;
911 } else if (!strcmp(value, "rt")) {
912 rtc_clock = QEMU_CLOCK_REALTIME;
913 } else if (!strcmp(value, "vm")) {
914 rtc_clock = QEMU_CLOCK_VIRTUAL;
915 } else {
916 error_report("invalid option value '%s'", value);
917 exit(1);
918 }
919 }
920 value = qemu_opt_get(opts, "driftfix");
921 if (value) {
922 if (!strcmp(value, "slew")) {
923 static GlobalProperty slew_lost_ticks = {
924 .driver = "mc146818rtc",
925 .property = "lost_tick_policy",
926 .value = "slew",
927 };
928
929 qdev_prop_register_global(&slew_lost_ticks);
930 } else if (!strcmp(value, "none")) {
931 /* discard is default */
932 } else {
933 error_report("invalid option value '%s'", value);
934 exit(1);
935 }
936 }
937 }
938
939 /***********************************************************/
940 /* Bluetooth support */
941 static int nb_hcis;
942 static int cur_hci;
943 static struct HCIInfo *hci_table[MAX_NICS];
944
945 struct HCIInfo *qemu_next_hci(void)
946 {
947 if (cur_hci == nb_hcis)
948 return &null_hci;
949
950 return hci_table[cur_hci++];
951 }
952
953 static int bt_hci_parse(const char *str)
954 {
955 struct HCIInfo *hci;
956 bdaddr_t bdaddr;
957
958 if (nb_hcis >= MAX_NICS) {
959 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
960 return -1;
961 }
962
963 hci = hci_init(str);
964 if (!hci)
965 return -1;
966
967 bdaddr.b[0] = 0x52;
968 bdaddr.b[1] = 0x54;
969 bdaddr.b[2] = 0x00;
970 bdaddr.b[3] = 0x12;
971 bdaddr.b[4] = 0x34;
972 bdaddr.b[5] = 0x56 + nb_hcis;
973 hci->bdaddr_set(hci, bdaddr.b);
974
975 hci_table[nb_hcis++] = hci;
976
977 return 0;
978 }
979
980 static void bt_vhci_add(int vlan_id)
981 {
982 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
983
984 if (!vlan->slave)
985 warn_report("adding a VHCI to an empty scatternet %i",
986 vlan_id);
987
988 bt_vhci_init(bt_new_hci(vlan));
989 }
990
991 static struct bt_device_s *bt_device_add(const char *opt)
992 {
993 struct bt_scatternet_s *vlan;
994 int vlan_id = 0;
995 char *endp = strstr(opt, ",vlan=");
996 int len = (endp ? endp - opt : strlen(opt)) + 1;
997 char devname[10];
998
999 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1000
1001 if (endp) {
1002 vlan_id = strtol(endp + 6, &endp, 0);
1003 if (*endp) {
1004 error_report("unrecognised bluetooth vlan Id");
1005 return 0;
1006 }
1007 }
1008
1009 vlan = qemu_find_bt_vlan(vlan_id);
1010
1011 if (!vlan->slave)
1012 warn_report("adding a slave device to an empty scatternet %i",
1013 vlan_id);
1014
1015 if (!strcmp(devname, "keyboard"))
1016 return bt_keyboard_init(vlan);
1017
1018 error_report("unsupported bluetooth device '%s'", devname);
1019 return 0;
1020 }
1021
1022 static int bt_parse(const char *opt)
1023 {
1024 const char *endp, *p;
1025 int vlan;
1026
1027 if (strstart(opt, "hci", &endp)) {
1028 if (!*endp || *endp == ',') {
1029 if (*endp)
1030 if (!strstart(endp, ",vlan=", 0))
1031 opt = endp + 1;
1032
1033 return bt_hci_parse(opt);
1034 }
1035 } else if (strstart(opt, "vhci", &endp)) {
1036 if (!*endp || *endp == ',') {
1037 if (*endp) {
1038 if (strstart(endp, ",vlan=", &p)) {
1039 vlan = strtol(p, (char **) &endp, 0);
1040 if (*endp) {
1041 error_report("bad scatternet '%s'", p);
1042 return 1;
1043 }
1044 } else {
1045 error_report("bad parameter '%s'", endp + 1);
1046 return 1;
1047 }
1048 } else
1049 vlan = 0;
1050
1051 bt_vhci_add(vlan);
1052 return 0;
1053 }
1054 } else if (strstart(opt, "device:", &endp))
1055 return !bt_device_add(endp);
1056
1057 error_report("bad bluetooth parameter '%s'", opt);
1058 return 1;
1059 }
1060
1061 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1062 {
1063 const char *proc_name;
1064
1065 if (qemu_opt_get(opts, "debug-threads")) {
1066 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1067 }
1068 qemu_name = qemu_opt_get(opts, "guest");
1069
1070 proc_name = qemu_opt_get(opts, "process");
1071 if (proc_name) {
1072 os_set_proc_name(proc_name);
1073 }
1074
1075 return 0;
1076 }
1077
1078 bool defaults_enabled(void)
1079 {
1080 return has_defaults;
1081 }
1082
1083 #ifndef _WIN32
1084 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1085 {
1086 int fd, dupfd, flags;
1087 int64_t fdset_id;
1088 const char *fd_opaque = NULL;
1089 AddfdInfo *fdinfo;
1090
1091 fd = qemu_opt_get_number(opts, "fd", -1);
1092 fdset_id = qemu_opt_get_number(opts, "set", -1);
1093 fd_opaque = qemu_opt_get(opts, "opaque");
1094
1095 if (fd < 0) {
1096 error_setg(errp, "fd option is required and must be non-negative");
1097 return -1;
1098 }
1099
1100 if (fd <= STDERR_FILENO) {
1101 error_setg(errp, "fd cannot be a standard I/O stream");
1102 return -1;
1103 }
1104
1105 /*
1106 * All fds inherited across exec() necessarily have FD_CLOEXEC
1107 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1108 */
1109 flags = fcntl(fd, F_GETFD);
1110 if (flags == -1 || (flags & FD_CLOEXEC)) {
1111 error_setg(errp, "fd is not valid or already in use");
1112 return -1;
1113 }
1114
1115 if (fdset_id < 0) {
1116 error_setg(errp, "set option is required and must be non-negative");
1117 return -1;
1118 }
1119
1120 #ifdef F_DUPFD_CLOEXEC
1121 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1122 #else
1123 dupfd = dup(fd);
1124 if (dupfd != -1) {
1125 qemu_set_cloexec(dupfd);
1126 }
1127 #endif
1128 if (dupfd == -1) {
1129 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1130 return -1;
1131 }
1132
1133 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1134 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1135 &error_abort);
1136 g_free(fdinfo);
1137
1138 return 0;
1139 }
1140
1141 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1142 {
1143 int fd;
1144
1145 fd = qemu_opt_get_number(opts, "fd", -1);
1146 close(fd);
1147
1148 return 0;
1149 }
1150 #endif
1151
1152 /***********************************************************/
1153 /* QEMU Block devices */
1154
1155 #define HD_OPTS "media=disk"
1156 #define CDROM_OPTS "media=cdrom"
1157 #define FD_OPTS ""
1158 #define PFLASH_OPTS ""
1159 #define MTD_OPTS ""
1160 #define SD_OPTS ""
1161
1162 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1163 {
1164 BlockInterfaceType *block_default_type = opaque;
1165
1166 return drive_new(opts, *block_default_type, errp) == NULL;
1167 }
1168
1169 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1170 {
1171 if (qemu_opt_get(opts, "snapshot") == NULL) {
1172 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1173 }
1174 return 0;
1175 }
1176
1177 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1178 int index, const char *optstr)
1179 {
1180 QemuOpts *opts;
1181 DriveInfo *dinfo;
1182
1183 if (!enable || drive_get_by_index(type, index)) {
1184 return;
1185 }
1186
1187 opts = drive_add(type, index, NULL, optstr);
1188 if (snapshot) {
1189 drive_enable_snapshot(NULL, opts, NULL);
1190 }
1191
1192 dinfo = drive_new(opts, type, &error_abort);
1193 dinfo->is_default = true;
1194
1195 }
1196
1197 static QemuOptsList qemu_smp_opts = {
1198 .name = "smp-opts",
1199 .implied_opt_name = "cpus",
1200 .merge_lists = true,
1201 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1202 .desc = {
1203 {
1204 .name = "cpus",
1205 .type = QEMU_OPT_NUMBER,
1206 }, {
1207 .name = "sockets",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "cores",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "threads",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "maxcpus",
1217 .type = QEMU_OPT_NUMBER,
1218 },
1219 { /*End of list */ }
1220 },
1221 };
1222
1223 static void smp_parse(QemuOpts *opts)
1224 {
1225 if (opts) {
1226 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1227 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1228 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1229 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1230
1231 /* compute missing values, prefer sockets over cores over threads */
1232 if (cpus == 0 || sockets == 0) {
1233 cores = cores > 0 ? cores : 1;
1234 threads = threads > 0 ? threads : 1;
1235 if (cpus == 0) {
1236 sockets = sockets > 0 ? sockets : 1;
1237 cpus = cores * threads * sockets;
1238 } else {
1239 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1240 sockets = max_cpus / (cores * threads);
1241 }
1242 } else if (cores == 0) {
1243 threads = threads > 0 ? threads : 1;
1244 cores = cpus / (sockets * threads);
1245 cores = cores > 0 ? cores : 1;
1246 } else if (threads == 0) {
1247 threads = cpus / (cores * sockets);
1248 threads = threads > 0 ? threads : 1;
1249 } else if (sockets * cores * threads < cpus) {
1250 error_report("cpu topology: "
1251 "sockets (%u) * cores (%u) * threads (%u) < "
1252 "smp_cpus (%u)",
1253 sockets, cores, threads, cpus);
1254 exit(1);
1255 }
1256
1257 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1258
1259 if (max_cpus < cpus) {
1260 error_report("maxcpus must be equal to or greater than smp");
1261 exit(1);
1262 }
1263
1264 if (sockets * cores * threads > max_cpus) {
1265 error_report("cpu topology: "
1266 "sockets (%u) * cores (%u) * threads (%u) > "
1267 "maxcpus (%u)",
1268 sockets, cores, threads, max_cpus);
1269 exit(1);
1270 }
1271
1272 if (sockets * cores * threads != max_cpus) {
1273 warn_report("Invalid CPU topology deprecated: "
1274 "sockets (%u) * cores (%u) * threads (%u) "
1275 "!= maxcpus (%u)",
1276 sockets, cores, threads, max_cpus);
1277 }
1278
1279 smp_cpus = cpus;
1280 smp_cores = cores;
1281 smp_threads = threads;
1282 }
1283
1284 if (smp_cpus > 1) {
1285 Error *blocker = NULL;
1286 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1287 replay_add_blocker(blocker);
1288 }
1289 }
1290
1291 static void realtime_init(void)
1292 {
1293 if (enable_mlock) {
1294 if (os_mlock() < 0) {
1295 error_report("locking memory failed");
1296 exit(1);
1297 }
1298 }
1299 }
1300
1301
1302 static void configure_msg(QemuOpts *opts)
1303 {
1304 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1305 }
1306
1307 /***********************************************************/
1308 /* Semihosting */
1309
1310 typedef struct SemihostingConfig {
1311 bool enabled;
1312 SemihostingTarget target;
1313 const char **argv;
1314 int argc;
1315 const char *cmdline; /* concatenated argv */
1316 } SemihostingConfig;
1317
1318 static SemihostingConfig semihosting;
1319
1320 bool semihosting_enabled(void)
1321 {
1322 return semihosting.enabled;
1323 }
1324
1325 SemihostingTarget semihosting_get_target(void)
1326 {
1327 return semihosting.target;
1328 }
1329
1330 const char *semihosting_get_arg(int i)
1331 {
1332 if (i >= semihosting.argc) {
1333 return NULL;
1334 }
1335 return semihosting.argv[i];
1336 }
1337
1338 int semihosting_get_argc(void)
1339 {
1340 return semihosting.argc;
1341 }
1342
1343 const char *semihosting_get_cmdline(void)
1344 {
1345 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1346 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1347 }
1348 return semihosting.cmdline;
1349 }
1350
1351 static int add_semihosting_arg(void *opaque,
1352 const char *name, const char *val,
1353 Error **errp)
1354 {
1355 SemihostingConfig *s = opaque;
1356 if (strcmp(name, "arg") == 0) {
1357 s->argc++;
1358 /* one extra element as g_strjoinv() expects NULL-terminated array */
1359 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1360 s->argv[s->argc - 1] = val;
1361 s->argv[s->argc] = NULL;
1362 }
1363 return 0;
1364 }
1365
1366 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1367 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1368 {
1369 char *cmd_token;
1370
1371 /* argv[0] */
1372 add_semihosting_arg(&semihosting, "arg", file, NULL);
1373
1374 /* split -append and initialize argv[1..n] */
1375 cmd_token = strtok(g_strdup(cmd), " ");
1376 while (cmd_token) {
1377 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1378 cmd_token = strtok(NULL, " ");
1379 }
1380 }
1381
1382 /* Now we still need this for compatibility with XEN. */
1383 bool has_igd_gfx_passthru;
1384 static void igd_gfx_passthru(void)
1385 {
1386 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1387 }
1388
1389 /***********************************************************/
1390 /* USB devices */
1391
1392 static int usb_device_add(const char *devname)
1393 {
1394 USBDevice *dev = NULL;
1395
1396 if (!machine_usb(current_machine)) {
1397 return -1;
1398 }
1399
1400 dev = usbdevice_create(devname);
1401 if (!dev)
1402 return -1;
1403
1404 return 0;
1405 }
1406
1407 static int usb_parse(const char *cmdline)
1408 {
1409 int r;
1410 r = usb_device_add(cmdline);
1411 if (r < 0) {
1412 error_report("could not add USB device '%s'", cmdline);
1413 }
1414 return r;
1415 }
1416
1417 /***********************************************************/
1418 /* machine registration */
1419
1420 MachineState *current_machine;
1421
1422 static MachineClass *find_machine(const char *name)
1423 {
1424 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1425 MachineClass *mc = NULL;
1426
1427 for (el = machines; el; el = el->next) {
1428 MachineClass *temp = el->data;
1429
1430 if (!strcmp(temp->name, name)) {
1431 mc = temp;
1432 break;
1433 }
1434 if (temp->alias &&
1435 !strcmp(temp->alias, name)) {
1436 mc = temp;
1437 break;
1438 }
1439 }
1440
1441 g_slist_free(machines);
1442 return mc;
1443 }
1444
1445 MachineClass *find_default_machine(void)
1446 {
1447 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1448 MachineClass *mc = NULL;
1449
1450 for (el = machines; el; el = el->next) {
1451 MachineClass *temp = el->data;
1452
1453 if (temp->is_default) {
1454 mc = temp;
1455 break;
1456 }
1457 }
1458
1459 g_slist_free(machines);
1460 return mc;
1461 }
1462
1463 MachineInfoList *qmp_query_machines(Error **errp)
1464 {
1465 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1466 MachineInfoList *mach_list = NULL;
1467
1468 for (el = machines; el; el = el->next) {
1469 MachineClass *mc = el->data;
1470 MachineInfoList *entry;
1471 MachineInfo *info;
1472
1473 info = g_malloc0(sizeof(*info));
1474 if (mc->is_default) {
1475 info->has_is_default = true;
1476 info->is_default = true;
1477 }
1478
1479 if (mc->alias) {
1480 info->has_alias = true;
1481 info->alias = g_strdup(mc->alias);
1482 }
1483
1484 info->name = g_strdup(mc->name);
1485 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1486 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1487
1488 entry = g_malloc0(sizeof(*entry));
1489 entry->value = info;
1490 entry->next = mach_list;
1491 mach_list = entry;
1492 }
1493
1494 g_slist_free(machines);
1495 return mach_list;
1496 }
1497
1498 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1499 {
1500 ObjectProperty *prop;
1501 ObjectPropertyIterator iter;
1502
1503 if (!qemu_opt_has_help_opt(opts)) {
1504 return 0;
1505 }
1506
1507 object_property_iter_init(&iter, OBJECT(machine));
1508 while ((prop = object_property_iter_next(&iter))) {
1509 if (!prop->set) {
1510 continue;
1511 }
1512
1513 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1514 prop->name, prop->type);
1515 if (prop->description) {
1516 error_printf(" (%s)\n", prop->description);
1517 } else {
1518 error_printf("\n");
1519 }
1520 }
1521
1522 return 1;
1523 }
1524
1525 struct vm_change_state_entry {
1526 VMChangeStateHandler *cb;
1527 void *opaque;
1528 QLIST_ENTRY (vm_change_state_entry) entries;
1529 };
1530
1531 static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head;
1532
1533 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1534 void *opaque)
1535 {
1536 VMChangeStateEntry *e;
1537
1538 e = g_malloc0(sizeof (*e));
1539
1540 e->cb = cb;
1541 e->opaque = opaque;
1542 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1543 return e;
1544 }
1545
1546 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1547 {
1548 QLIST_REMOVE (e, entries);
1549 g_free (e);
1550 }
1551
1552 void vm_state_notify(int running, RunState state)
1553 {
1554 VMChangeStateEntry *e, *next;
1555
1556 trace_vm_state_notify(running, state, RunState_str(state));
1557
1558 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1559 e->cb(e->opaque, running, state);
1560 }
1561 }
1562
1563 static ShutdownCause reset_requested;
1564 static ShutdownCause shutdown_requested;
1565 static int shutdown_signal;
1566 static pid_t shutdown_pid;
1567 static int powerdown_requested;
1568 static int debug_requested;
1569 static int suspend_requested;
1570 static bool preconfig_exit_requested = true;
1571 static WakeupReason wakeup_reason;
1572 static NotifierList powerdown_notifiers =
1573 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1574 static NotifierList suspend_notifiers =
1575 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1576 static NotifierList wakeup_notifiers =
1577 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1578 static NotifierList shutdown_notifiers =
1579 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1580 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1581
1582 ShutdownCause qemu_shutdown_requested_get(void)
1583 {
1584 return shutdown_requested;
1585 }
1586
1587 ShutdownCause qemu_reset_requested_get(void)
1588 {
1589 return reset_requested;
1590 }
1591
1592 static int qemu_shutdown_requested(void)
1593 {
1594 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1595 }
1596
1597 static void qemu_kill_report(void)
1598 {
1599 if (!qtest_driver() && shutdown_signal) {
1600 if (shutdown_pid == 0) {
1601 /* This happens for eg ^C at the terminal, so it's worth
1602 * avoiding printing an odd message in that case.
1603 */
1604 error_report("terminating on signal %d", shutdown_signal);
1605 } else {
1606 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1607
1608 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1609 shutdown_signal, shutdown_pid,
1610 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1611 g_free(shutdown_cmd);
1612 }
1613 shutdown_signal = 0;
1614 }
1615 }
1616
1617 static ShutdownCause qemu_reset_requested(void)
1618 {
1619 ShutdownCause r = reset_requested;
1620
1621 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1622 reset_requested = SHUTDOWN_CAUSE_NONE;
1623 return r;
1624 }
1625 return SHUTDOWN_CAUSE_NONE;
1626 }
1627
1628 static int qemu_suspend_requested(void)
1629 {
1630 int r = suspend_requested;
1631 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1632 suspend_requested = 0;
1633 return r;
1634 }
1635 return false;
1636 }
1637
1638 static WakeupReason qemu_wakeup_requested(void)
1639 {
1640 return wakeup_reason;
1641 }
1642
1643 static int qemu_powerdown_requested(void)
1644 {
1645 int r = powerdown_requested;
1646 powerdown_requested = 0;
1647 return r;
1648 }
1649
1650 static int qemu_debug_requested(void)
1651 {
1652 int r = debug_requested;
1653 debug_requested = 0;
1654 return r;
1655 }
1656
1657 void qemu_exit_preconfig_request(void)
1658 {
1659 preconfig_exit_requested = true;
1660 }
1661
1662 /*
1663 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1664 */
1665 void qemu_system_reset(ShutdownCause reason)
1666 {
1667 MachineClass *mc;
1668
1669 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1670
1671 cpu_synchronize_all_states();
1672
1673 if (mc && mc->reset) {
1674 mc->reset();
1675 } else {
1676 qemu_devices_reset();
1677 }
1678 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1679 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1680 }
1681 cpu_synchronize_all_post_reset();
1682 }
1683
1684 void qemu_system_guest_panicked(GuestPanicInformation *info)
1685 {
1686 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1687
1688 if (current_cpu) {
1689 current_cpu->crash_occurred = true;
1690 }
1691 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1692 !!info, info);
1693 vm_stop(RUN_STATE_GUEST_PANICKED);
1694 if (!no_shutdown) {
1695 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1696 !!info, info);
1697 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1698 }
1699
1700 if (info) {
1701 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1702 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1703 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1704 info->u.hyper_v.arg1,
1705 info->u.hyper_v.arg2,
1706 info->u.hyper_v.arg3,
1707 info->u.hyper_v.arg4,
1708 info->u.hyper_v.arg5);
1709 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1710 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1711 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1712 info->u.s390.core,
1713 S390CrashReason_str(info->u.s390.reason),
1714 info->u.s390.psw_mask,
1715 info->u.s390.psw_addr);
1716 }
1717 qapi_free_GuestPanicInformation(info);
1718 }
1719 }
1720
1721 void qemu_system_reset_request(ShutdownCause reason)
1722 {
1723 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1724 shutdown_requested = reason;
1725 } else {
1726 reset_requested = reason;
1727 }
1728 cpu_stop_current();
1729 qemu_notify_event();
1730 }
1731
1732 static void qemu_system_suspend(void)
1733 {
1734 pause_all_vcpus();
1735 notifier_list_notify(&suspend_notifiers, NULL);
1736 runstate_set(RUN_STATE_SUSPENDED);
1737 qapi_event_send_suspend();
1738 }
1739
1740 void qemu_system_suspend_request(void)
1741 {
1742 if (runstate_check(RUN_STATE_SUSPENDED)) {
1743 return;
1744 }
1745 suspend_requested = 1;
1746 cpu_stop_current();
1747 qemu_notify_event();
1748 }
1749
1750 void qemu_register_suspend_notifier(Notifier *notifier)
1751 {
1752 notifier_list_add(&suspend_notifiers, notifier);
1753 }
1754
1755 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1756 {
1757 trace_system_wakeup_request(reason);
1758
1759 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1760 error_setg(errp,
1761 "Unable to wake up: guest is not in suspended state");
1762 return;
1763 }
1764 if (!(wakeup_reason_mask & (1 << reason))) {
1765 return;
1766 }
1767 runstate_set(RUN_STATE_RUNNING);
1768 wakeup_reason = reason;
1769 qemu_notify_event();
1770 }
1771
1772 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1773 {
1774 if (enabled) {
1775 wakeup_reason_mask |= (1 << reason);
1776 } else {
1777 wakeup_reason_mask &= ~(1 << reason);
1778 }
1779 }
1780
1781 void qemu_register_wakeup_notifier(Notifier *notifier)
1782 {
1783 notifier_list_add(&wakeup_notifiers, notifier);
1784 }
1785
1786 void qemu_register_wakeup_support(void)
1787 {
1788 wakeup_suspend_enabled = true;
1789 }
1790
1791 bool qemu_wakeup_suspend_enabled(void)
1792 {
1793 return wakeup_suspend_enabled;
1794 }
1795
1796 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1797 {
1798 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1799 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1800
1801 return params;
1802 }
1803
1804 void qemu_system_killed(int signal, pid_t pid)
1805 {
1806 shutdown_signal = signal;
1807 shutdown_pid = pid;
1808 no_shutdown = 0;
1809
1810 /* Cannot call qemu_system_shutdown_request directly because
1811 * we are in a signal handler.
1812 */
1813 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1814 qemu_notify_event();
1815 }
1816
1817 void qemu_system_shutdown_request(ShutdownCause reason)
1818 {
1819 trace_qemu_system_shutdown_request(reason);
1820 replay_shutdown_request(reason);
1821 shutdown_requested = reason;
1822 qemu_notify_event();
1823 }
1824
1825 static void qemu_system_powerdown(void)
1826 {
1827 qapi_event_send_powerdown();
1828 notifier_list_notify(&powerdown_notifiers, NULL);
1829 }
1830
1831 static void qemu_system_shutdown(ShutdownCause cause)
1832 {
1833 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1834 notifier_list_notify(&shutdown_notifiers, &cause);
1835 }
1836
1837 void qemu_system_powerdown_request(void)
1838 {
1839 trace_qemu_system_powerdown_request();
1840 powerdown_requested = 1;
1841 qemu_notify_event();
1842 }
1843
1844 void qemu_register_powerdown_notifier(Notifier *notifier)
1845 {
1846 notifier_list_add(&powerdown_notifiers, notifier);
1847 }
1848
1849 void qemu_register_shutdown_notifier(Notifier *notifier)
1850 {
1851 notifier_list_add(&shutdown_notifiers, notifier);
1852 }
1853
1854 void qemu_system_debug_request(void)
1855 {
1856 debug_requested = 1;
1857 qemu_notify_event();
1858 }
1859
1860 static bool main_loop_should_exit(void)
1861 {
1862 RunState r;
1863 ShutdownCause request;
1864
1865 if (preconfig_exit_requested) {
1866 if (runstate_check(RUN_STATE_PRECONFIG)) {
1867 runstate_set(RUN_STATE_PRELAUNCH);
1868 }
1869 preconfig_exit_requested = false;
1870 return true;
1871 }
1872 if (qemu_debug_requested()) {
1873 vm_stop(RUN_STATE_DEBUG);
1874 }
1875 if (qemu_suspend_requested()) {
1876 qemu_system_suspend();
1877 }
1878 request = qemu_shutdown_requested();
1879 if (request) {
1880 qemu_kill_report();
1881 qemu_system_shutdown(request);
1882 if (no_shutdown) {
1883 vm_stop(RUN_STATE_SHUTDOWN);
1884 } else {
1885 return true;
1886 }
1887 }
1888 request = qemu_reset_requested();
1889 if (request) {
1890 pause_all_vcpus();
1891 qemu_system_reset(request);
1892 resume_all_vcpus();
1893 if (!runstate_check(RUN_STATE_RUNNING) &&
1894 !runstate_check(RUN_STATE_INMIGRATE)) {
1895 runstate_set(RUN_STATE_PRELAUNCH);
1896 }
1897 }
1898 if (qemu_wakeup_requested()) {
1899 pause_all_vcpus();
1900 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1901 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1902 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1903 resume_all_vcpus();
1904 qapi_event_send_wakeup();
1905 }
1906 if (qemu_powerdown_requested()) {
1907 qemu_system_powerdown();
1908 }
1909 if (qemu_vmstop_requested(&r)) {
1910 vm_stop(r);
1911 }
1912 return false;
1913 }
1914
1915 static void main_loop(void)
1916 {
1917 #ifdef CONFIG_PROFILER
1918 int64_t ti;
1919 #endif
1920 while (!main_loop_should_exit()) {
1921 #ifdef CONFIG_PROFILER
1922 ti = profile_getclock();
1923 #endif
1924 main_loop_wait(false);
1925 #ifdef CONFIG_PROFILER
1926 dev_time += profile_getclock() - ti;
1927 #endif
1928 }
1929 }
1930
1931 static void version(void)
1932 {
1933 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1934 QEMU_COPYRIGHT "\n");
1935 }
1936
1937 static void help(int exitcode)
1938 {
1939 version();
1940 printf("usage: %s [options] [disk_image]\n\n"
1941 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1942 error_get_progname());
1943
1944 #define QEMU_OPTIONS_GENERATE_HELP
1945 #include "qemu-options-wrapper.h"
1946
1947 printf("\nDuring emulation, the following keys are useful:\n"
1948 "ctrl-alt-f toggle full screen\n"
1949 "ctrl-alt-n switch to virtual console 'n'\n"
1950 "ctrl-alt toggle mouse and keyboard grab\n"
1951 "\n"
1952 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1953 "\n"
1954 QEMU_HELP_BOTTOM "\n");
1955
1956 exit(exitcode);
1957 }
1958
1959 #define HAS_ARG 0x0001
1960
1961 typedef struct QEMUOption {
1962 const char *name;
1963 int flags;
1964 int index;
1965 uint32_t arch_mask;
1966 } QEMUOption;
1967
1968 static const QEMUOption qemu_options[] = {
1969 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1970 #define QEMU_OPTIONS_GENERATE_OPTIONS
1971 #include "qemu-options-wrapper.h"
1972 { NULL },
1973 };
1974
1975 typedef struct VGAInterfaceInfo {
1976 const char *opt_name; /* option name */
1977 const char *name; /* human-readable name */
1978 /* Class names indicating that support is available.
1979 * If no class is specified, the interface is always available */
1980 const char *class_names[2];
1981 } VGAInterfaceInfo;
1982
1983 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1984 [VGA_NONE] = {
1985 .opt_name = "none",
1986 },
1987 [VGA_STD] = {
1988 .opt_name = "std",
1989 .name = "standard VGA",
1990 .class_names = { "VGA", "isa-vga" },
1991 },
1992 [VGA_CIRRUS] = {
1993 .opt_name = "cirrus",
1994 .name = "Cirrus VGA",
1995 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1996 },
1997 [VGA_VMWARE] = {
1998 .opt_name = "vmware",
1999 .name = "VMWare SVGA",
2000 .class_names = { "vmware-svga" },
2001 },
2002 [VGA_VIRTIO] = {
2003 .opt_name = "virtio",
2004 .name = "Virtio VGA",
2005 .class_names = { "virtio-vga" },
2006 },
2007 [VGA_QXL] = {
2008 .opt_name = "qxl",
2009 .name = "QXL VGA",
2010 .class_names = { "qxl-vga" },
2011 },
2012 [VGA_TCX] = {
2013 .opt_name = "tcx",
2014 .name = "TCX framebuffer",
2015 .class_names = { "SUNW,tcx" },
2016 },
2017 [VGA_CG3] = {
2018 .opt_name = "cg3",
2019 .name = "CG3 framebuffer",
2020 .class_names = { "cgthree" },
2021 },
2022 [VGA_XENFB] = {
2023 .opt_name = "xenfb",
2024 },
2025 };
2026
2027 static bool vga_interface_available(VGAInterfaceType t)
2028 {
2029 VGAInterfaceInfo *ti = &vga_interfaces[t];
2030
2031 assert(t < VGA_TYPE_MAX);
2032 return !ti->class_names[0] ||
2033 object_class_by_name(ti->class_names[0]) ||
2034 object_class_by_name(ti->class_names[1]);
2035 }
2036
2037 static void select_vgahw(const char *p)
2038 {
2039 const char *opts;
2040 int t;
2041
2042 assert(vga_interface_type == VGA_NONE);
2043 for (t = 0; t < VGA_TYPE_MAX; t++) {
2044 VGAInterfaceInfo *ti = &vga_interfaces[t];
2045 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2046 if (!vga_interface_available(t)) {
2047 error_report("%s not available", ti->name);
2048 exit(1);
2049 }
2050 vga_interface_type = t;
2051 break;
2052 }
2053 }
2054 if (t == VGA_TYPE_MAX) {
2055 invalid_vga:
2056 error_report("unknown vga type: %s", p);
2057 exit(1);
2058 }
2059 while (*opts) {
2060 const char *nextopt;
2061
2062 if (strstart(opts, ",retrace=", &nextopt)) {
2063 opts = nextopt;
2064 if (strstart(opts, "dumb", &nextopt))
2065 vga_retrace_method = VGA_RETRACE_DUMB;
2066 else if (strstart(opts, "precise", &nextopt))
2067 vga_retrace_method = VGA_RETRACE_PRECISE;
2068 else goto invalid_vga;
2069 } else goto invalid_vga;
2070 opts = nextopt;
2071 }
2072 }
2073
2074 static void parse_display_qapi(const char *optarg)
2075 {
2076 DisplayOptions *opts;
2077 Visitor *v;
2078
2079 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2080
2081 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2082 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2083
2084 qapi_free_DisplayOptions(opts);
2085 visit_free(v);
2086 }
2087
2088 DisplayOptions *qmp_query_display_options(Error **errp)
2089 {
2090 return QAPI_CLONE(DisplayOptions, &dpy);
2091 }
2092
2093 static void parse_display(const char *p)
2094 {
2095 const char *opts;
2096
2097 if (strstart(p, "sdl", &opts)) {
2098 /*
2099 * sdl DisplayType needs hand-crafted parser instead of
2100 * parse_display_qapi() due to some options not in
2101 * DisplayOptions, specifically:
2102 * - frame
2103 * Already deprecated.
2104 * - ctrl_grab + alt_grab
2105 * Not clear yet what happens to them long-term. Should
2106 * replaced by something better or deprecated and dropped.
2107 */
2108 dpy.type = DISPLAY_TYPE_SDL;
2109 while (*opts) {
2110 const char *nextopt;
2111
2112 if (strstart(opts, ",frame=", &nextopt)) {
2113 g_printerr("The frame= sdl option is deprecated, and will be\n"
2114 "removed in a future release.\n");
2115 opts = nextopt;
2116 if (strstart(opts, "on", &nextopt)) {
2117 no_frame = 0;
2118 } else if (strstart(opts, "off", &nextopt)) {
2119 no_frame = 1;
2120 } else {
2121 goto invalid_sdl_args;
2122 }
2123 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2124 opts = nextopt;
2125 if (strstart(opts, "on", &nextopt)) {
2126 alt_grab = 1;
2127 } else if (strstart(opts, "off", &nextopt)) {
2128 alt_grab = 0;
2129 } else {
2130 goto invalid_sdl_args;
2131 }
2132 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2133 opts = nextopt;
2134 if (strstart(opts, "on", &nextopt)) {
2135 ctrl_grab = 1;
2136 } else if (strstart(opts, "off", &nextopt)) {
2137 ctrl_grab = 0;
2138 } else {
2139 goto invalid_sdl_args;
2140 }
2141 } else if (strstart(opts, ",window_close=", &nextopt)) {
2142 opts = nextopt;
2143 dpy.has_window_close = true;
2144 if (strstart(opts, "on", &nextopt)) {
2145 dpy.window_close = true;
2146 } else if (strstart(opts, "off", &nextopt)) {
2147 dpy.window_close = false;
2148 } else {
2149 goto invalid_sdl_args;
2150 }
2151 } else if (strstart(opts, ",gl=", &nextopt)) {
2152 opts = nextopt;
2153 dpy.has_gl = true;
2154 if (strstart(opts, "on", &nextopt)) {
2155 dpy.gl = DISPLAYGL_MODE_ON;
2156 } else if (strstart(opts, "core", &nextopt)) {
2157 dpy.gl = DISPLAYGL_MODE_CORE;
2158 } else if (strstart(opts, "es", &nextopt)) {
2159 dpy.gl = DISPLAYGL_MODE_ES;
2160 } else if (strstart(opts, "off", &nextopt)) {
2161 dpy.gl = DISPLAYGL_MODE_OFF;
2162 } else {
2163 goto invalid_sdl_args;
2164 }
2165 } else {
2166 invalid_sdl_args:
2167 error_report("invalid SDL option string");
2168 exit(1);
2169 }
2170 opts = nextopt;
2171 }
2172 } else if (strstart(p, "vnc", &opts)) {
2173 /*
2174 * vnc isn't a (local) DisplayType but a protocol for remote
2175 * display access.
2176 */
2177 if (*opts == '=') {
2178 vnc_parse(opts + 1, &error_fatal);
2179 } else {
2180 error_report("VNC requires a display argument vnc=<display>");
2181 exit(1);
2182 }
2183 } else {
2184 parse_display_qapi(p);
2185 }
2186 }
2187
2188 char *qemu_find_file(int type, const char *name)
2189 {
2190 int i;
2191 const char *subdir;
2192 char *buf;
2193
2194 /* Try the name as a straight path first */
2195 if (access(name, R_OK) == 0) {
2196 trace_load_file(name, name);
2197 return g_strdup(name);
2198 }
2199
2200 switch (type) {
2201 case QEMU_FILE_TYPE_BIOS:
2202 subdir = "";
2203 break;
2204 case QEMU_FILE_TYPE_KEYMAP:
2205 subdir = "keymaps/";
2206 break;
2207 default:
2208 abort();
2209 }
2210
2211 for (i = 0; i < data_dir_idx; i++) {
2212 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2213 if (access(buf, R_OK) == 0) {
2214 trace_load_file(name, buf);
2215 return buf;
2216 }
2217 g_free(buf);
2218 }
2219 return NULL;
2220 }
2221
2222 static void qemu_add_data_dir(const char *path)
2223 {
2224 int i;
2225
2226 if (path == NULL) {
2227 return;
2228 }
2229 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2230 return;
2231 }
2232 for (i = 0; i < data_dir_idx; i++) {
2233 if (strcmp(data_dir[i], path) == 0) {
2234 return; /* duplicate */
2235 }
2236 }
2237 data_dir[data_dir_idx++] = g_strdup(path);
2238 }
2239
2240 static inline bool nonempty_str(const char *str)
2241 {
2242 return str && *str;
2243 }
2244
2245 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2246 {
2247 gchar *buf;
2248 size_t size;
2249 const char *name, *file, *str;
2250 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2251
2252 if (fw_cfg == NULL) {
2253 error_setg(errp, "fw_cfg device not available");
2254 return -1;
2255 }
2256 name = qemu_opt_get(opts, "name");
2257 file = qemu_opt_get(opts, "file");
2258 str = qemu_opt_get(opts, "string");
2259
2260 /* we need name and either a file or the content string */
2261 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2262 error_setg(errp, "invalid argument(s)");
2263 return -1;
2264 }
2265 if (nonempty_str(file) && nonempty_str(str)) {
2266 error_setg(errp, "file and string are mutually exclusive");
2267 return -1;
2268 }
2269 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2270 error_setg(errp, "name too long (max. %d char)",
2271 FW_CFG_MAX_FILE_PATH - 1);
2272 return -1;
2273 }
2274 if (strncmp(name, "opt/", 4) != 0) {
2275 warn_report("externally provided fw_cfg item names "
2276 "should be prefixed with \"opt/\"");
2277 }
2278 if (nonempty_str(str)) {
2279 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2280 buf = g_memdup(str, size);
2281 } else {
2282 GError *err = NULL;
2283 if (!g_file_get_contents(file, &buf, &size, &err)) {
2284 error_setg(errp, "can't load %s: %s", file, err->message);
2285 g_error_free(err);
2286 return -1;
2287 }
2288 }
2289 /* For legacy, keep user files in a specific global order. */
2290 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2291 fw_cfg_add_file(fw_cfg, name, buf, size);
2292 fw_cfg_reset_order_override(fw_cfg);
2293 return 0;
2294 }
2295
2296 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2297 {
2298 return qdev_device_help(opts);
2299 }
2300
2301 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2302 {
2303 DeviceState *dev;
2304
2305 dev = qdev_device_add(opts, errp);
2306 if (!dev) {
2307 return -1;
2308 }
2309 object_unref(OBJECT(dev));
2310 return 0;
2311 }
2312
2313 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2314 {
2315 Error *local_err = NULL;
2316
2317 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2318 if (local_err) {
2319 error_propagate(errp, local_err);
2320 return -1;
2321 }
2322 exit(0);
2323 }
2324 return 0;
2325 }
2326
2327 #ifdef CONFIG_VIRTFS
2328 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2329 {
2330 return qemu_fsdev_add(opts, errp);
2331 }
2332 #endif
2333
2334 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2335 {
2336 Chardev *chr;
2337 const char *chardev;
2338 const char *mode;
2339 int flags;
2340
2341 mode = qemu_opt_get(opts, "mode");
2342 if (mode == NULL) {
2343 mode = "readline";
2344 }
2345 if (strcmp(mode, "readline") == 0) {
2346 flags = MONITOR_USE_READLINE;
2347 } else if (strcmp(mode, "control") == 0) {
2348 flags = MONITOR_USE_CONTROL;
2349 } else {
2350 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2351 return -1;
2352 }
2353
2354 if (qemu_opt_get_bool(opts, "pretty", 0))
2355 flags |= MONITOR_USE_PRETTY;
2356
2357 chardev = qemu_opt_get(opts, "chardev");
2358 if (!chardev) {
2359 error_report("chardev is required");
2360 exit(1);
2361 }
2362 chr = qemu_chr_find(chardev);
2363 if (chr == NULL) {
2364 error_setg(errp, "chardev \"%s\" not found", chardev);
2365 return -1;
2366 }
2367
2368 monitor_init(chr, flags);
2369 return 0;
2370 }
2371
2372 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2373 {
2374 static int monitor_device_index = 0;
2375 QemuOpts *opts;
2376 const char *p;
2377 char label[32];
2378
2379 if (strstart(optarg, "chardev:", &p)) {
2380 snprintf(label, sizeof(label), "%s", p);
2381 } else {
2382 snprintf(label, sizeof(label), "compat_monitor%d",
2383 monitor_device_index);
2384 opts = qemu_chr_parse_compat(label, optarg, true);
2385 if (!opts) {
2386 error_report("parse error: %s", optarg);
2387 exit(1);
2388 }
2389 }
2390
2391 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2392 qemu_opt_set(opts, "mode", mode, &error_abort);
2393 qemu_opt_set(opts, "chardev", label, &error_abort);
2394 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2395 monitor_device_index++;
2396 }
2397
2398 struct device_config {
2399 enum {
2400 DEV_USB, /* -usbdevice */
2401 DEV_BT, /* -bt */
2402 DEV_SERIAL, /* -serial */
2403 DEV_PARALLEL, /* -parallel */
2404 DEV_DEBUGCON, /* -debugcon */
2405 DEV_GDB, /* -gdb, -s */
2406 DEV_SCLP, /* s390 sclp */
2407 } type;
2408 const char *cmdline;
2409 Location loc;
2410 QTAILQ_ENTRY(device_config) next;
2411 };
2412
2413 static QTAILQ_HEAD(, device_config) device_configs =
2414 QTAILQ_HEAD_INITIALIZER(device_configs);
2415
2416 static void add_device_config(int type, const char *cmdline)
2417 {
2418 struct device_config *conf;
2419
2420 conf = g_malloc0(sizeof(*conf));
2421 conf->type = type;
2422 conf->cmdline = cmdline;
2423 loc_save(&conf->loc);
2424 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2425 }
2426
2427 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2428 {
2429 struct device_config *conf;
2430 int rc;
2431
2432 QTAILQ_FOREACH(conf, &device_configs, next) {
2433 if (conf->type != type)
2434 continue;
2435 loc_push_restore(&conf->loc);
2436 rc = func(conf->cmdline);
2437 loc_pop(&conf->loc);
2438 if (rc) {
2439 return rc;
2440 }
2441 }
2442 return 0;
2443 }
2444
2445 static int serial_parse(const char *devname)
2446 {
2447 int index = num_serial_hds;
2448 char label[32];
2449
2450 if (strcmp(devname, "none") == 0)
2451 return 0;
2452 snprintf(label, sizeof(label), "serial%d", index);
2453 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2454
2455 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2456 if (!serial_hds[index]) {
2457 error_report("could not connect serial device"
2458 " to character backend '%s'", devname);
2459 return -1;
2460 }
2461 num_serial_hds++;
2462 return 0;
2463 }
2464
2465 Chardev *serial_hd(int i)
2466 {
2467 assert(i >= 0);
2468 if (i < num_serial_hds) {
2469 return serial_hds[i];
2470 }
2471 return NULL;
2472 }
2473
2474 int serial_max_hds(void)
2475 {
2476 return num_serial_hds;
2477 }
2478
2479 static int parallel_parse(const char *devname)
2480 {
2481 static int index = 0;
2482 char label[32];
2483
2484 if (strcmp(devname, "none") == 0)
2485 return 0;
2486 if (index == MAX_PARALLEL_PORTS) {
2487 error_report("too many parallel ports");
2488 exit(1);
2489 }
2490 snprintf(label, sizeof(label), "parallel%d", index);
2491 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2492 if (!parallel_hds[index]) {
2493 error_report("could not connect parallel device"
2494 " to character backend '%s'", devname);
2495 return -1;
2496 }
2497 index++;
2498 return 0;
2499 }
2500
2501 static int debugcon_parse(const char *devname)
2502 {
2503 QemuOpts *opts;
2504
2505 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2506 error_report("invalid character backend '%s'", devname);
2507 exit(1);
2508 }
2509 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2510 if (!opts) {
2511 error_report("already have a debugcon device");
2512 exit(1);
2513 }
2514 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2515 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2516 return 0;
2517 }
2518
2519 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2520 {
2521 const MachineClass *mc1 = a, *mc2 = b;
2522 int res;
2523
2524 if (mc1->family == NULL) {
2525 if (mc2->family == NULL) {
2526 /* Compare standalone machine types against each other; they sort
2527 * in increasing order.
2528 */
2529 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2530 object_class_get_name(OBJECT_CLASS(mc2)));
2531 }
2532
2533 /* Standalone machine types sort after families. */
2534 return 1;
2535 }
2536
2537 if (mc2->family == NULL) {
2538 /* Families sort before standalone machine types. */
2539 return -1;
2540 }
2541
2542 /* Families sort between each other alphabetically increasingly. */
2543 res = strcmp(mc1->family, mc2->family);
2544 if (res != 0) {
2545 return res;
2546 }
2547
2548 /* Within the same family, machine types sort in decreasing order. */
2549 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2550 object_class_get_name(OBJECT_CLASS(mc1)));
2551 }
2552
2553 static MachineClass *machine_parse(const char *name)
2554 {
2555 MachineClass *mc = NULL;
2556 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2557
2558 if (name) {
2559 mc = find_machine(name);
2560 }
2561 if (mc) {
2562 g_slist_free(machines);
2563 return mc;
2564 }
2565 if (name && !is_help_option(name)) {
2566 error_report("unsupported machine type");
2567 error_printf("Use -machine help to list supported machines\n");
2568 } else {
2569 printf("Supported machines are:\n");
2570 machines = g_slist_sort(machines, machine_class_cmp);
2571 for (el = machines; el; el = el->next) {
2572 MachineClass *mc = el->data;
2573 if (mc->alias) {
2574 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2575 }
2576 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2577 mc->is_default ? " (default)" : "",
2578 mc->deprecation_reason ? " (deprecated)" : "");
2579 }
2580 }
2581
2582 g_slist_free(machines);
2583 exit(!name || !is_help_option(name));
2584 }
2585
2586 void qemu_add_exit_notifier(Notifier *notify)
2587 {
2588 notifier_list_add(&exit_notifiers, notify);
2589 }
2590
2591 void qemu_remove_exit_notifier(Notifier *notify)
2592 {
2593 notifier_remove(notify);
2594 }
2595
2596 static void qemu_run_exit_notifiers(void)
2597 {
2598 notifier_list_notify(&exit_notifiers, NULL);
2599 }
2600
2601 static const char *pid_file;
2602 static Notifier qemu_unlink_pidfile_notifier;
2603
2604 static void qemu_unlink_pidfile(Notifier *n, void *data)
2605 {
2606 if (pid_file) {
2607 unlink(pid_file);
2608 }
2609 }
2610
2611 bool machine_init_done;
2612
2613 void qemu_add_machine_init_done_notifier(Notifier *notify)
2614 {
2615 notifier_list_add(&machine_init_done_notifiers, notify);
2616 if (machine_init_done) {
2617 notify->notify(notify, NULL);
2618 }
2619 }
2620
2621 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2622 {
2623 notifier_remove(notify);
2624 }
2625
2626 static void qemu_run_machine_init_done_notifiers(void)
2627 {
2628 machine_init_done = true;
2629 notifier_list_notify(&machine_init_done_notifiers, NULL);
2630 }
2631
2632 static const QEMUOption *lookup_opt(int argc, char **argv,
2633 const char **poptarg, int *poptind)
2634 {
2635 const QEMUOption *popt;
2636 int optind = *poptind;
2637 char *r = argv[optind];
2638 const char *optarg;
2639
2640 loc_set_cmdline(argv, optind, 1);
2641 optind++;
2642 /* Treat --foo the same as -foo. */
2643 if (r[1] == '-')
2644 r++;
2645 popt = qemu_options;
2646 for(;;) {
2647 if (!popt->name) {
2648 error_report("invalid option");
2649 exit(1);
2650 }
2651 if (!strcmp(popt->name, r + 1))
2652 break;
2653 popt++;
2654 }
2655 if (popt->flags & HAS_ARG) {
2656 if (optind >= argc) {
2657 error_report("requires an argument");
2658 exit(1);
2659 }
2660 optarg = argv[optind++];
2661 loc_set_cmdline(argv, optind - 2, 2);
2662 } else {
2663 optarg = NULL;
2664 }
2665
2666 *poptarg = optarg;
2667 *poptind = optind;
2668
2669 return popt;
2670 }
2671
2672 static MachineClass *select_machine(void)
2673 {
2674 MachineClass *machine_class = find_default_machine();
2675 const char *optarg;
2676 QemuOpts *opts;
2677 Location loc;
2678
2679 loc_push_none(&loc);
2680
2681 opts = qemu_get_machine_opts();
2682 qemu_opts_loc_restore(opts);
2683
2684 optarg = qemu_opt_get(opts, "type");
2685 if (optarg) {
2686 machine_class = machine_parse(optarg);
2687 }
2688
2689 if (!machine_class) {
2690 error_report("No machine specified, and there is no default");
2691 error_printf("Use -machine help to list supported machines\n");
2692 exit(1);
2693 }
2694
2695 loc_pop(&loc);
2696 return machine_class;
2697 }
2698
2699 static int machine_set_property(void *opaque,
2700 const char *name, const char *value,
2701 Error **errp)
2702 {
2703 Object *obj = OBJECT(opaque);
2704 Error *local_err = NULL;
2705 char *p, *qom_name;
2706
2707 if (strcmp(name, "type") == 0) {
2708 return 0;
2709 }
2710
2711 qom_name = g_strdup(name);
2712 for (p = qom_name; *p; p++) {
2713 if (*p == '_') {
2714 *p = '-';
2715 }
2716 }
2717
2718 object_property_parse(obj, value, qom_name, &local_err);
2719 g_free(qom_name);
2720
2721 if (local_err) {
2722 error_propagate(errp, local_err);
2723 return -1;
2724 }
2725
2726 return 0;
2727 }
2728
2729
2730 /*
2731 * Initial object creation happens before all other
2732 * QEMU data types are created. The majority of objects
2733 * can be created at this point. The rng-egd object
2734 * cannot be created here, as it depends on the chardev
2735 * already existing.
2736 */
2737 static bool object_create_initial(const char *type, QemuOpts *opts)
2738 {
2739 ObjectClass *klass;
2740
2741 if (is_help_option(type)) {
2742 GSList *l, *list;
2743
2744 printf("List of user creatable objects:\n");
2745 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2746 for (l = list; l != NULL; l = l->next) {
2747 ObjectClass *oc = OBJECT_CLASS(l->data);
2748 printf(" %s\n", object_class_get_name(oc));
2749 }
2750 g_slist_free(list);
2751 exit(0);
2752 }
2753
2754 klass = object_class_by_name(type);
2755 if (klass && qemu_opt_has_help_opt(opts)) {
2756 ObjectPropertyIterator iter;
2757 ObjectProperty *prop;
2758 GPtrArray *array = g_ptr_array_new();
2759 int i;
2760
2761 object_class_property_iter_init(&iter, klass);
2762 while ((prop = object_property_iter_next(&iter))) {
2763 GString *str;
2764
2765 if (!prop->set) {
2766 continue;
2767 }
2768
2769 str = g_string_new(NULL);
2770 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2771 if (prop->description) {
2772 if (str->len < 24) {
2773 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2774 }
2775 g_string_append_printf(str, " - %s", prop->description);
2776 }
2777 g_ptr_array_add(array, g_string_free(str, false));
2778 }
2779 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2780 if (array->len > 0) {
2781 printf("%s options:\n", type);
2782 } else {
2783 printf("There are no options for %s.\n", type);
2784 }
2785 for (i = 0; i < array->len; i++) {
2786 printf("%s\n", (char *)array->pdata[i]);
2787 }
2788 g_ptr_array_set_free_func(array, g_free);
2789 g_ptr_array_free(array, true);
2790 exit(0);
2791 }
2792
2793 if (g_str_equal(type, "rng-egd") ||
2794 g_str_has_prefix(type, "pr-manager-")) {
2795 return false;
2796 }
2797
2798 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2799 if (g_str_equal(type, "cryptodev-vhost-user")) {
2800 return false;
2801 }
2802 #endif
2803
2804 /*
2805 * return false for concrete netfilters since
2806 * they depend on netdevs already existing
2807 */
2808 if (g_str_equal(type, "filter-buffer") ||
2809 g_str_equal(type, "filter-dump") ||
2810 g_str_equal(type, "filter-mirror") ||
2811 g_str_equal(type, "filter-redirector") ||
2812 g_str_equal(type, "colo-compare") ||
2813 g_str_equal(type, "filter-rewriter") ||
2814 g_str_equal(type, "filter-replay")) {
2815 return false;
2816 }
2817
2818 /* Memory allocation by backends needs to be done
2819 * after configure_accelerator() (due to the tcg_enabled()
2820 * checks at memory_region_init_*()).
2821 *
2822 * Also, allocation of large amounts of memory may delay
2823 * chardev initialization for too long, and trigger timeouts
2824 * on software that waits for a monitor socket to be created
2825 * (e.g. libvirt).
2826 */
2827 if (g_str_has_prefix(type, "memory-backend-")) {
2828 return false;
2829 }
2830
2831 return true;
2832 }
2833
2834
2835 /*
2836 * The remainder of object creation happens after the
2837 * creation of chardev, fsdev, net clients and device data types.
2838 */
2839 static bool object_create_delayed(const char *type, QemuOpts *opts)
2840 {
2841 return !object_create_initial(type, opts);
2842 }
2843
2844
2845 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2846 MachineClass *mc)
2847 {
2848 uint64_t sz;
2849 const char *mem_str;
2850 const ram_addr_t default_ram_size = mc->default_ram_size;
2851 QemuOpts *opts = qemu_find_opts_singleton("memory");
2852 Location loc;
2853
2854 loc_push_none(&loc);
2855 qemu_opts_loc_restore(opts);
2856
2857 sz = 0;
2858 mem_str = qemu_opt_get(opts, "size");
2859 if (mem_str) {
2860 if (!*mem_str) {
2861 error_report("missing 'size' option value");
2862 exit(EXIT_FAILURE);
2863 }
2864
2865 sz = qemu_opt_get_size(opts, "size", ram_size);
2866
2867 /* Fix up legacy suffix-less format */
2868 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2869 uint64_t overflow_check = sz;
2870
2871 sz *= MiB;
2872 if (sz / MiB != overflow_check) {
2873 error_report("too large 'size' option value");
2874 exit(EXIT_FAILURE);
2875 }
2876 }
2877 }
2878
2879 /* backward compatibility behaviour for case "-m 0" */
2880 if (sz == 0) {
2881 sz = default_ram_size;
2882 }
2883
2884 sz = QEMU_ALIGN_UP(sz, 8192);
2885 ram_size = sz;
2886 if (ram_size != sz) {
2887 error_report("ram size too large");
2888 exit(EXIT_FAILURE);
2889 }
2890
2891 /* store value for the future use */
2892 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2893 *maxram_size = ram_size;
2894
2895 if (qemu_opt_get(opts, "maxmem")) {
2896 uint64_t slots;
2897
2898 sz = qemu_opt_get_size(opts, "maxmem", 0);
2899 slots = qemu_opt_get_number(opts, "slots", 0);
2900 if (sz < ram_size) {
2901 error_report("invalid value of -m option maxmem: "
2902 "maximum memory size (0x%" PRIx64 ") must be at least "
2903 "the initial memory size (0x" RAM_ADDR_FMT ")",
2904 sz, ram_size);
2905 exit(EXIT_FAILURE);
2906 } else if (slots && sz == ram_size) {
2907 error_report("invalid value of -m option maxmem: "
2908 "memory slots were specified but maximum memory size "
2909 "(0x%" PRIx64 ") is equal to the initial memory size "
2910 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2911 exit(EXIT_FAILURE);
2912 }
2913
2914 *maxram_size = sz;
2915 *ram_slots = slots;
2916 } else if (qemu_opt_get(opts, "slots")) {
2917 error_report("invalid -m option value: missing 'maxmem' option");
2918 exit(EXIT_FAILURE);
2919 }
2920
2921 loc_pop(&loc);
2922 }
2923
2924 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2925 {
2926 GlobalProperty *g;
2927
2928 g = g_malloc0(sizeof(*g));
2929 g->driver = qemu_opt_get(opts, "driver");
2930 g->property = qemu_opt_get(opts, "property");
2931 g->value = qemu_opt_get(opts, "value");
2932 qdev_prop_register_global(g);
2933 return 0;
2934 }
2935
2936 static int qemu_read_default_config_file(void)
2937 {
2938 int ret;
2939
2940 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2941 if (ret < 0 && ret != -ENOENT) {
2942 return ret;
2943 }
2944
2945 return 0;
2946 }
2947
2948 static void user_register_global_props(void)
2949 {
2950 qemu_opts_foreach(qemu_find_opts("global"),
2951 global_init_func, NULL, NULL);
2952 }
2953
2954 /*
2955 * Note: we should see that these properties are actually having a
2956 * priority: accel < machine < user. This means e.g. when user
2957 * specifies something in "-global", it'll always be used with highest
2958 * priority than either machine/accelerator compat properties.
2959 */
2960 static void register_global_properties(MachineState *ms)
2961 {
2962 user_register_global_props();
2963 }
2964
2965 int main(int argc, char **argv, char **envp)
2966 {
2967 int i;
2968 int snapshot, linux_boot;
2969 const char *initrd_filename;
2970 const char *kernel_filename, *kernel_cmdline;
2971 const char *boot_order = NULL;
2972 const char *boot_once = NULL;
2973 DisplayState *ds;
2974 QemuOpts *opts, *machine_opts;
2975 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2976 QemuOptsList *olist;
2977 int optind;
2978 const char *optarg;
2979 const char *loadvm = NULL;
2980 MachineClass *machine_class;
2981 const char *cpu_model;
2982 const char *vga_model = NULL;
2983 const char *qtest_chrdev = NULL;
2984 const char *qtest_log = NULL;
2985 const char *incoming = NULL;
2986 bool userconfig = true;
2987 bool nographic = false;
2988 int display_remote = 0;
2989 const char *log_mask = NULL;
2990 const char *log_file = NULL;
2991 char *trace_file = NULL;
2992 ram_addr_t maxram_size;
2993 uint64_t ram_slots = 0;
2994 FILE *vmstate_dump_file = NULL;
2995 Error *main_loop_err = NULL;
2996 Error *err = NULL;
2997 bool list_data_dirs = false;
2998 char *dir, **dirs;
2999 typedef struct BlockdevOptions_queue {
3000 BlockdevOptions *bdo;
3001 Location loc;
3002 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3003 } BlockdevOptions_queue;
3004 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3005 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3006
3007 module_call_init(MODULE_INIT_TRACE);
3008
3009 qemu_init_cpu_list();
3010 qemu_init_cpu_loop();
3011
3012 qemu_mutex_lock_iothread();
3013
3014 atexit(qemu_run_exit_notifiers);
3015 error_set_progname(argv[0]);
3016 qemu_init_exec_dir(argv[0]);
3017
3018 module_call_init(MODULE_INIT_QOM);
3019
3020 qemu_add_opts(&qemu_drive_opts);
3021 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3022 qemu_add_drive_opts(&qemu_common_drive_opts);
3023 qemu_add_drive_opts(&qemu_drive_opts);
3024 qemu_add_drive_opts(&bdrv_runtime_opts);
3025 qemu_add_opts(&qemu_chardev_opts);
3026 qemu_add_opts(&qemu_device_opts);
3027 qemu_add_opts(&qemu_netdev_opts);
3028 qemu_add_opts(&qemu_nic_opts);
3029 qemu_add_opts(&qemu_net_opts);
3030 qemu_add_opts(&qemu_rtc_opts);
3031 qemu_add_opts(&qemu_global_opts);
3032 qemu_add_opts(&qemu_mon_opts);
3033 qemu_add_opts(&qemu_trace_opts);
3034 qemu_add_opts(&qemu_option_rom_opts);
3035 qemu_add_opts(&qemu_machine_opts);
3036 qemu_add_opts(&qemu_accel_opts);
3037 qemu_add_opts(&qemu_mem_opts);
3038 qemu_add_opts(&qemu_smp_opts);
3039 qemu_add_opts(&qemu_boot_opts);
3040 qemu_add_opts(&qemu_add_fd_opts);
3041 qemu_add_opts(&qemu_object_opts);
3042 qemu_add_opts(&qemu_tpmdev_opts);
3043 qemu_add_opts(&qemu_realtime_opts);
3044 qemu_add_opts(&qemu_overcommit_opts);
3045 qemu_add_opts(&qemu_msg_opts);
3046 qemu_add_opts(&qemu_name_opts);
3047 qemu_add_opts(&qemu_numa_opts);
3048 qemu_add_opts(&qemu_icount_opts);
3049 qemu_add_opts(&qemu_semihosting_config_opts);
3050 qemu_add_opts(&qemu_fw_cfg_opts);
3051 module_call_init(MODULE_INIT_OPTS);
3052
3053 runstate_init();
3054 postcopy_infrastructure_init();
3055 monitor_init_globals();
3056
3057 if (qcrypto_init(&err) < 0) {
3058 error_reportf_err(err, "cannot initialize crypto: ");
3059 exit(1);
3060 }
3061
3062 QLIST_INIT (&vm_change_state_head);
3063 os_setup_early_signal_handling();
3064
3065 cpu_model = NULL;
3066 snapshot = 0;
3067
3068 nb_nics = 0;
3069
3070 bdrv_init_with_whitelist();
3071
3072 autostart = 1;
3073
3074 /* first pass of option parsing */
3075 optind = 1;
3076 while (optind < argc) {
3077 if (argv[optind][0] != '-') {
3078 /* disk image */
3079 optind++;
3080 } else {
3081 const QEMUOption *popt;
3082
3083 popt = lookup_opt(argc, argv, &optarg, &optind);
3084 switch (popt->index) {
3085 case QEMU_OPTION_nouserconfig:
3086 userconfig = false;
3087 break;
3088 }
3089 }
3090 }
3091
3092 if (userconfig) {
3093 if (qemu_read_default_config_file() < 0) {
3094 exit(1);
3095 }
3096 }
3097
3098 /* second pass of option parsing */
3099 optind = 1;
3100 for(;;) {
3101 if (optind >= argc)
3102 break;
3103 if (argv[optind][0] != '-') {
3104 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3105 } else {
3106 const QEMUOption *popt;
3107
3108 popt = lookup_opt(argc, argv, &optarg, &optind);
3109 if (!(popt->arch_mask & arch_type)) {
3110 error_report("Option not supported for this target");
3111 exit(1);
3112 }
3113 switch(popt->index) {
3114 case QEMU_OPTION_cpu:
3115 /* hw initialization will check this */
3116 cpu_model = optarg;
3117 break;
3118 case QEMU_OPTION_hda:
3119 case QEMU_OPTION_hdb:
3120 case QEMU_OPTION_hdc:
3121 case QEMU_OPTION_hdd:
3122 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3123 HD_OPTS);
3124 break;
3125 case QEMU_OPTION_blockdev:
3126 {
3127 Visitor *v;
3128 BlockdevOptions_queue *bdo;
3129
3130 v = qobject_input_visitor_new_str(optarg, "driver",
3131 &error_fatal);
3132
3133 bdo = g_new(BlockdevOptions_queue, 1);
3134 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3135 &error_fatal);
3136 visit_free(v);
3137 loc_save(&bdo->loc);
3138 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3139 break;
3140 }
3141 case QEMU_OPTION_drive:
3142 if (drive_def(optarg) == NULL) {
3143 exit(1);
3144 }
3145 break;
3146 case QEMU_OPTION_set:
3147 if (qemu_set_option(optarg) != 0)
3148 exit(1);
3149 break;
3150 case QEMU_OPTION_global:
3151 if (qemu_global_option(optarg) != 0)
3152 exit(1);
3153 break;
3154 case QEMU_OPTION_mtdblock:
3155 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3156 break;
3157 case QEMU_OPTION_sd:
3158 drive_add(IF_SD, -1, optarg, SD_OPTS);
3159 break;
3160 case QEMU_OPTION_pflash:
3161 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3162 break;
3163 case QEMU_OPTION_snapshot:
3164 snapshot = 1;
3165 break;
3166 case QEMU_OPTION_numa:
3167 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3168 optarg, true);
3169 if (!opts) {
3170 exit(1);
3171 }
3172 break;
3173 case QEMU_OPTION_display:
3174 parse_display(optarg);
3175 break;
3176 case QEMU_OPTION_nographic:
3177 olist = qemu_find_opts("machine");
3178 qemu_opts_parse_noisily(olist, "graphics=off", false);
3179 nographic = true;
3180 dpy.type = DISPLAY_TYPE_NONE;
3181 break;
3182 case QEMU_OPTION_curses:
3183 #ifdef CONFIG_CURSES
3184 dpy.type = DISPLAY_TYPE_CURSES;
3185 #else
3186 error_report("curses support is disabled");
3187 exit(1);
3188 #endif
3189 break;
3190 case QEMU_OPTION_portrait:
3191 graphic_rotate = 90;
3192 break;
3193 case QEMU_OPTION_rotate:
3194 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3195 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3196 graphic_rotate != 180 && graphic_rotate != 270) {
3197 error_report("only 90, 180, 270 deg rotation is available");
3198 exit(1);
3199 }
3200 break;
3201 case QEMU_OPTION_kernel:
3202 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3203 &error_abort);
3204 break;
3205 case QEMU_OPTION_initrd:
3206 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3207 &error_abort);
3208 break;
3209 case QEMU_OPTION_append:
3210 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3211 &error_abort);
3212 break;
3213 case QEMU_OPTION_dtb:
3214 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3215 &error_abort);
3216 break;
3217 case QEMU_OPTION_cdrom:
3218 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3219 break;
3220 case QEMU_OPTION_boot:
3221 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3222 optarg, true);
3223 if (!opts) {
3224 exit(1);
3225 }
3226 break;
3227 case QEMU_OPTION_fda:
3228 case QEMU_OPTION_fdb:
3229 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3230 optarg, FD_OPTS);
3231 break;
3232 case QEMU_OPTION_no_fd_bootchk:
3233 fd_bootchk = 0;
3234 break;
3235 case QEMU_OPTION_netdev:
3236 default_net = 0;
3237 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3238 exit(1);
3239 }
3240 break;
3241 case QEMU_OPTION_nic:
3242 default_net = 0;
3243 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3244 exit(1);
3245 }
3246 break;
3247 case QEMU_OPTION_net:
3248 default_net = 0;
3249 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3250 exit(1);
3251 }
3252 break;
3253 #ifdef CONFIG_LIBISCSI
3254 case QEMU_OPTION_iscsi:
3255 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3256 optarg, false);
3257 if (!opts) {
3258 exit(1);
3259 }
3260 break;
3261 #endif
3262 case QEMU_OPTION_bt:
3263 warn_report("The bluetooth subsystem is deprecated and will "
3264 "be removed soon. If the bluetooth subsystem is "
3265 "still useful for you, please send a mail to "
3266 "qemu-devel@nongnu.org with your usecase.");
3267 add_device_config(DEV_BT, optarg);
3268 break;
3269 case QEMU_OPTION_audio_help:
3270 AUD_help ();
3271 exit (0);
3272 break;
3273 case QEMU_OPTION_soundhw:
3274 select_soundhw (optarg);
3275 break;
3276 case QEMU_OPTION_h:
3277 help(0);
3278 break;
3279 case QEMU_OPTION_version:
3280 version();
3281 exit(0);
3282 break;
3283 case QEMU_OPTION_m:
3284 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3285 optarg, true);
3286 if (!opts) {
3287 exit(EXIT_FAILURE);
3288 }
3289 break;
3290 #ifdef CONFIG_TPM
3291 case QEMU_OPTION_tpmdev:
3292 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3293 exit(1);
3294 }
3295 break;
3296 #endif
3297 case QEMU_OPTION_mempath:
3298 mem_path = optarg;
3299 break;
3300 case QEMU_OPTION_mem_prealloc:
3301 mem_prealloc = 1;
3302 break;
3303 case QEMU_OPTION_d:
3304 log_mask = optarg;
3305 break;
3306 case QEMU_OPTION_D:
3307 log_file = optarg;
3308 break;
3309 case QEMU_OPTION_DFILTER:
3310 qemu_set_dfilter_ranges(optarg, &error_fatal);
3311 break;
3312 case QEMU_OPTION_s:
3313 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3314 break;
3315 case QEMU_OPTION_gdb:
3316 add_device_config(DEV_GDB, optarg);
3317 break;
3318 case QEMU_OPTION_L:
3319 if (is_help_option(optarg)) {
3320 list_data_dirs = true;
3321 } else {
3322 qemu_add_data_dir(optarg);
3323 }
3324 break;
3325 case QEMU_OPTION_bios:
3326 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3327 &error_abort);
3328 break;
3329 case QEMU_OPTION_singlestep:
3330 singlestep = 1;
3331 break;
3332 case QEMU_OPTION_S:
3333 autostart = 0;
3334 break;
3335 case QEMU_OPTION_k:
3336 keyboard_layout = optarg;
3337 break;
3338 case QEMU_OPTION_vga:
3339 vga_model = optarg;
3340 default_vga = 0;
3341 break;
3342 case QEMU_OPTION_g:
3343 {
3344 const char *p;
3345 int w, h, depth;
3346 p = optarg;
3347 w = strtol(p, (char **)&p, 10);
3348 if (w <= 0) {
3349 graphic_error:
3350 error_report("invalid resolution or depth");
3351 exit(1);
3352 }
3353 if (*p != 'x')
3354 goto graphic_error;
3355 p++;
3356 h = strtol(p, (char **)&p, 10);
3357 if (h <= 0)
3358 goto graphic_error;
3359 if (*p == 'x') {
3360 p++;
3361 depth = strtol(p, (char **)&p, 10);
3362 if (depth != 8 && depth != 15 && depth != 16 &&
3363 depth != 24 && depth != 32)
3364 goto graphic_error;
3365 } else if (*p == '\0') {
3366 depth = graphic_depth;
3367 } else {
3368 goto graphic_error;
3369 }
3370
3371 graphic_width = w;
3372 graphic_height = h;
3373 graphic_depth = depth;
3374 }
3375 break;
3376 case QEMU_OPTION_echr:
3377 {
3378 char *r;
3379 term_escape_char = strtol(optarg, &r, 0);
3380 if (r == optarg)
3381 printf("Bad argument to echr\n");
3382 break;
3383 }
3384 case QEMU_OPTION_monitor:
3385 default_monitor = 0;
3386 if (strncmp(optarg, "none", 4)) {
3387 monitor_parse(optarg, "readline", false);
3388 }
3389 break;
3390 case QEMU_OPTION_qmp:
3391 monitor_parse(optarg, "control", false);
3392 default_monitor = 0;
3393 break;
3394 case QEMU_OPTION_qmp_pretty:
3395 monitor_parse(optarg, "control", true);
3396 default_monitor = 0;
3397 break;
3398 case QEMU_OPTION_mon:
3399 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3400 true);
3401 if (!opts) {
3402 exit(1);
3403 }
3404 default_monitor = 0;
3405 break;
3406 case QEMU_OPTION_chardev:
3407 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3408 optarg, true);
3409 if (!opts) {
3410 exit(1);
3411 }
3412 break;
3413 case QEMU_OPTION_fsdev:
3414 olist = qemu_find_opts("fsdev");
3415 if (!olist) {
3416 error_report("fsdev support is disabled");
3417 exit(1);
3418 }
3419 opts = qemu_opts_parse_noisily(olist, optarg, true);
3420 if (!opts) {
3421 exit(1);
3422 }
3423 break;
3424 case QEMU_OPTION_virtfs: {
3425 QemuOpts *fsdev;
3426 QemuOpts *device;
3427 const char *writeout, *sock_fd, *socket, *path, *security_model;
3428
3429 olist = qemu_find_opts("virtfs");
3430 if (!olist) {
3431 error_report("virtfs support is disabled");
3432 exit(1);
3433 }
3434 opts = qemu_opts_parse_noisily(olist, optarg, true);
3435 if (!opts) {
3436 exit(1);
3437 }
3438
3439 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3440 qemu_opt_get(opts, "mount_tag") == NULL) {
3441 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3442 exit(1);
3443 }
3444 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3445 qemu_opts_id(opts) ?:
3446 qemu_opt_get(opts, "mount_tag"),
3447 1, NULL);
3448 if (!fsdev) {
3449 error_report("duplicate or invalid fsdev id: %s",
3450 qemu_opt_get(opts, "mount_tag"));
3451 exit(1);
3452 }
3453
3454 writeout = qemu_opt_get(opts, "writeout");
3455 if (writeout) {
3456 #ifdef CONFIG_SYNC_FILE_RANGE
3457 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3458 #else
3459 error_report("writeout=immediate not supported "
3460 "on this platform");
3461 exit(1);
3462 #endif
3463 }
3464 qemu_opt_set(fsdev, "fsdriver",
3465 qemu_opt_get(opts, "fsdriver"), &error_abort);
3466 path = qemu_opt_get(opts, "path");
3467 if (path) {
3468 qemu_opt_set(fsdev, "path", path, &error_abort);
3469 }
3470 security_model = qemu_opt_get(opts, "security_model");
3471 if (security_model) {
3472 qemu_opt_set(fsdev, "security_model", security_model,
3473 &error_abort);
3474 }
3475 socket = qemu_opt_get(opts, "socket");
3476 if (socket) {
3477 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3478 }
3479 sock_fd = qemu_opt_get(opts, "sock_fd");
3480 if (sock_fd) {
3481 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3482 }
3483
3484 qemu_opt_set_bool(fsdev, "readonly",
3485 qemu_opt_get_bool(opts, "readonly", 0),
3486 &error_abort);
3487 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3488 &error_abort);
3489 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3490 qemu_opt_set(device, "fsdev",
3491 qemu_opts_id(fsdev), &error_abort);
3492 qemu_opt_set(device, "mount_tag",
3493 qemu_opt_get(opts, "mount_tag"), &error_abort);
3494 break;
3495 }
3496 case QEMU_OPTION_virtfs_synth: {
3497 QemuOpts *fsdev;
3498 QemuOpts *device;
3499
3500 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3501 1, NULL);
3502 if (!fsdev) {
3503 error_report("duplicate option: %s", "virtfs_synth");
3504 exit(1);
3505 }
3506 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3507
3508 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3509 &error_abort);
3510 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3511 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3512 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3513 break;
3514 }
3515 case QEMU_OPTION_serial:
3516 add_device_config(DEV_SERIAL, optarg);
3517 default_serial = 0;
3518 if (strncmp(optarg, "mon:", 4) == 0) {
3519 default_monitor = 0;
3520 }
3521 break;
3522 case QEMU_OPTION_watchdog:
3523 if (watchdog) {
3524 error_report("only one watchdog option may be given");
3525 return 1;
3526 }
3527 watchdog = optarg;
3528 break;
3529 case QEMU_OPTION_watchdog_action:
3530 if (select_watchdog_action(optarg) == -1) {
3531 error_report("unknown -watchdog-action parameter");
3532 exit(1);
3533 }
3534 break;
3535 case QEMU_OPTION_parallel:
3536 add_device_config(DEV_PARALLEL, optarg);
3537 default_parallel = 0;
3538 if (strncmp(optarg, "mon:", 4) == 0) {
3539 default_monitor = 0;
3540 }
3541 break;
3542 case QEMU_OPTION_debugcon:
3543 add_device_config(DEV_DEBUGCON, optarg);
3544 break;
3545 case QEMU_OPTION_loadvm:
3546 loadvm = optarg;
3547 break;
3548 case QEMU_OPTION_full_screen:
3549 dpy.has_full_screen = true;
3550 dpy.full_screen = true;
3551 break;
3552 case QEMU_OPTION_no_frame:
3553 g_printerr("The -no-frame switch is deprecated, and will be\n"
3554 "removed in a future release.\n");
3555 no_frame = 1;
3556 break;
3557 case QEMU_OPTION_alt_grab:
3558 alt_grab = 1;
3559 break;
3560 case QEMU_OPTION_ctrl_grab:
3561 ctrl_grab = 1;
3562 break;
3563 case QEMU_OPTION_no_quit:
3564 dpy.has_window_close = true;
3565 dpy.window_close = false;
3566 break;
3567 case QEMU_OPTION_sdl:
3568 #ifdef CONFIG_SDL
3569 dpy.type = DISPLAY_TYPE_SDL;
3570 break;
3571 #else
3572 error_report("SDL support is disabled");
3573 exit(1);
3574 #endif
3575 case QEMU_OPTION_pidfile:
3576 pid_file = optarg;
3577 break;
3578 case QEMU_OPTION_win2k_hack:
3579 win2k_install_hack = 1;
3580 break;
3581 case QEMU_OPTION_acpitable:
3582 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3583 optarg, true);
3584 if (!opts) {
3585 exit(1);
3586 }
3587 acpi_table_add(opts, &error_fatal);
3588 break;
3589 case QEMU_OPTION_smbios:
3590 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3591 optarg, false);
3592 if (!opts) {
3593 exit(1);
3594 }
3595 smbios_entry_add(opts, &error_fatal);
3596 break;
3597 case QEMU_OPTION_fwcfg:
3598 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3599 optarg, true);
3600 if (opts == NULL) {
3601 exit(1);
3602 }
3603 break;
3604 case QEMU_OPTION_preconfig:
3605 preconfig_exit_requested = false;
3606 break;
3607 case QEMU_OPTION_enable_kvm:
3608 olist = qemu_find_opts("machine");
3609 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3610 break;
3611 case QEMU_OPTION_M:
3612 case QEMU_OPTION_machine:
3613 olist = qemu_find_opts("machine");
3614 opts = qemu_opts_parse_noisily(olist, optarg, true);
3615 if (!opts) {
3616 exit(1);
3617 }
3618 break;
3619 case QEMU_OPTION_no_kvm:
3620 olist = qemu_find_opts("machine");
3621 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3622 break;
3623 case QEMU_OPTION_accel:
3624 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3625 optarg, true);
3626 optarg = qemu_opt_get(accel_opts, "accel");
3627 if (!optarg || is_help_option(optarg)) {
3628 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3629 exit(0);
3630 }
3631 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3632 false, &error_abort);
3633 qemu_opt_set(opts, "accel", optarg, &error_abort);
3634 break;
3635 case QEMU_OPTION_usb:
3636 olist = qemu_find_opts("machine");
3637 qemu_opts_parse_noisily(olist, "usb=on", false);
3638 break;
3639 case QEMU_OPTION_usbdevice:
3640 error_report("'-usbdevice' is deprecated, please use "
3641 "'-device usb-...' instead");
3642 olist = qemu_find_opts("machine");
3643 qemu_opts_parse_noisily(olist, "usb=on", false);
3644 add_device_config(DEV_USB, optarg);
3645 break;
3646 case QEMU_OPTION_device:
3647 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3648 optarg, true)) {
3649 exit(1);
3650 }
3651 break;
3652 case QEMU_OPTION_smp:
3653 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3654 optarg, true)) {
3655 exit(1);
3656 }
3657 break;
3658 case QEMU_OPTION_vnc:
3659 vnc_parse(optarg, &error_fatal);
3660 break;
3661 case QEMU_OPTION_no_acpi:
3662 acpi_enabled = 0;
3663 break;
3664 case QEMU_OPTION_no_hpet:
3665 no_hpet = 1;
3666 break;
3667 case QEMU_OPTION_no_reboot:
3668 no_reboot = 1;
3669 break;
3670 case QEMU_OPTION_no_shutdown:
3671 no_shutdown = 1;
3672 break;
3673 case QEMU_OPTION_show_cursor:
3674 cursor_hide = 0;
3675 break;
3676 case QEMU_OPTION_uuid:
3677 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3678 error_report("failed to parse UUID string: wrong format");
3679 exit(1);
3680 }
3681 qemu_uuid_set = true;
3682 break;
3683 case QEMU_OPTION_option_rom:
3684 if (nb_option_roms >= MAX_OPTION_ROMS) {
3685 error_report("too many option ROMs");
3686 exit(1);
3687 }
3688 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3689 optarg, true);
3690 if (!opts) {
3691 exit(1);
3692 }
3693 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3694 option_rom[nb_option_roms].bootindex =
3695 qemu_opt_get_number(opts, "bootindex", -1);
3696 if (!option_rom[nb_option_roms].name) {
3697 error_report("Option ROM file is not specified");
3698 exit(1);
3699 }
3700 nb_option_roms++;
3701 break;
3702 case QEMU_OPTION_semihosting:
3703 semihosting.enabled = true;
3704 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3705 break;
3706 case QEMU_OPTION_semihosting_config:
3707 semihosting.enabled = true;
3708 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3709 optarg, false);
3710 if (opts != NULL) {
3711 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3712 true);
3713 const char *target = qemu_opt_get(opts, "target");
3714 if (target != NULL) {
3715 if (strcmp("native", target) == 0) {
3716 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3717 } else if (strcmp("gdb", target) == 0) {
3718 semihosting.target = SEMIHOSTING_TARGET_GDB;
3719 } else if (strcmp("auto", target) == 0) {
3720 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3721 } else {
3722 error_report("unsupported semihosting-config %s",
3723 optarg);
3724 exit(1);
3725 }
3726 } else {
3727 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3728 }
3729 /* Set semihosting argument count and vector */
3730 qemu_opt_foreach(opts, add_semihosting_arg,
3731 &semihosting, NULL);
3732 } else {
3733 error_report("unsupported semihosting-config %s", optarg);
3734 exit(1);
3735 }
3736 break;
3737 case QEMU_OPTION_name:
3738 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3739 optarg, true);
3740 if (!opts) {
3741 exit(1);
3742 }
3743 break;
3744 case QEMU_OPTION_prom_env:
3745 if (nb_prom_envs >= MAX_PROM_ENVS) {
3746 error_report("too many prom variables");
3747 exit(1);
3748 }
3749 prom_envs[nb_prom_envs] = optarg;
3750 nb_prom_envs++;
3751 break;
3752 case QEMU_OPTION_old_param:
3753 old_param = 1;
3754 break;
3755 case QEMU_OPTION_clock:
3756 /* Clock options no longer exist. Keep this option for
3757 * backward compatibility.
3758 */
3759 warn_report("This option is ignored and will be removed soon");
3760 break;
3761 case QEMU_OPTION_rtc:
3762 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3763 false);
3764 if (!opts) {
3765 exit(1);
3766 }
3767 break;
3768 case QEMU_OPTION_tb_size:
3769 #ifndef CONFIG_TCG
3770 error_report("TCG is disabled");
3771 exit(1);
3772 #endif
3773 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3774 error_report("Invalid argument to -tb-size");
3775 exit(1);
3776 }
3777 break;
3778 case QEMU_OPTION_icount:
3779 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3780 optarg, true);
3781 if (!icount_opts) {
3782 exit(1);
3783 }
3784 break;
3785 case QEMU_OPTION_incoming:
3786 if (!incoming) {
3787 runstate_set(RUN_STATE_INMIGRATE);
3788 }
3789 incoming = optarg;
3790 break;
3791 case QEMU_OPTION_only_migratable:
3792 /*
3793 * TODO: we can remove this option one day, and we
3794 * should all use:
3795 *
3796 * "-global migration.only-migratable=true"
3797 */
3798 qemu_global_option("migration.only-migratable=true");
3799 break;
3800 case QEMU_OPTION_nodefaults:
3801 has_defaults = 0;
3802 break;
3803 case QEMU_OPTION_xen_domid:
3804 if (!(xen_available())) {
3805 error_report("Option not supported for this target");
3806 exit(1);
3807 }
3808 xen_domid = atoi(optarg);
3809 break;
3810 case QEMU_OPTION_xen_attach:
3811 if (!(xen_available())) {
3812 error_report("Option not supported for this target");
3813 exit(1);
3814 }
3815 xen_mode = XEN_ATTACH;
3816 break;
3817 case QEMU_OPTION_xen_domid_restrict:
3818 if (!(xen_available())) {
3819 error_report("Option not supported for this target");
3820 exit(1);
3821 }
3822 xen_domid_restrict = true;
3823 break;
3824 case QEMU_OPTION_trace:
3825 g_free(trace_file);
3826 trace_file = trace_opt_parse(optarg);
3827 break;
3828 case QEMU_OPTION_readconfig:
3829 {
3830 int ret = qemu_read_config_file(optarg);
3831 if (ret < 0) {
3832 error_report("read config %s: %s", optarg,
3833 strerror(-ret));
3834 exit(1);
3835 }
3836 break;
3837 }
3838 case QEMU_OPTION_spice:
3839 olist = qemu_find_opts("spice");
3840 if (!olist) {
3841 error_report("spice support is disabled");
3842 exit(1);
3843 }
3844 opts = qemu_opts_parse_noisily(olist, optarg, false);
3845 if (!opts) {
3846 exit(1);
3847 }
3848 display_remote++;
3849 break;
3850 case QEMU_OPTION_writeconfig:
3851 {
3852 FILE *fp;
3853 if (strcmp(optarg, "-") == 0) {
3854 fp = stdout;
3855 } else {
3856 fp = fopen(optarg, "w");
3857 if (fp == NULL) {
3858 error_report("open %s: %s", optarg,
3859 strerror(errno));
3860 exit(1);
3861 }
3862 }
3863 qemu_config_write(fp);
3864 if (fp != stdout) {
3865 fclose(fp);
3866 }
3867 break;
3868 }
3869 case QEMU_OPTION_qtest:
3870 qtest_chrdev = optarg;
3871 break;
3872 case QEMU_OPTION_qtest_log:
3873 qtest_log = optarg;
3874 break;
3875 case QEMU_OPTION_sandbox:
3876 #ifdef CONFIG_SECCOMP
3877 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3878 optarg, true);
3879 if (!opts) {
3880 exit(1);
3881 }
3882 #else
3883 error_report("-sandbox support is not enabled "
3884 "in this QEMU binary");
3885 exit(1);
3886 #endif
3887 break;
3888 case QEMU_OPTION_add_fd:
3889 #ifndef _WIN32
3890 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3891 optarg, false);
3892 if (!opts) {
3893 exit(1);
3894 }
3895 #else
3896 error_report("File descriptor passing is disabled on this "
3897 "platform");
3898 exit(1);
3899 #endif
3900 break;
3901 case QEMU_OPTION_object:
3902 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3903 optarg, true);
3904 if (!opts) {
3905 exit(1);
3906 }
3907 break;
3908 case QEMU_OPTION_realtime:
3909 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3910 optarg, false);
3911 if (!opts) {
3912 exit(1);
3913 }
3914 /* Don't override the -overcommit option if set */
3915 enable_mlock = enable_mlock ||
3916 qemu_opt_get_bool(opts, "mlock", true);
3917 break;
3918 case QEMU_OPTION_overcommit:
3919 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3920 optarg, false);
3921 if (!opts) {
3922 exit(1);
3923 }
3924 /* Don't override the -realtime option if set */
3925 enable_mlock = enable_mlock ||
3926 qemu_opt_get_bool(opts, "mem-lock", false);
3927 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3928 break;
3929 case QEMU_OPTION_msg:
3930 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3931 false);
3932 if (!opts) {
3933 exit(1);
3934 }
3935 configure_msg(opts);
3936 break;
3937 case QEMU_OPTION_dump_vmstate:
3938 if (vmstate_dump_file) {
3939 error_report("only one '-dump-vmstate' "
3940 "option may be given");
3941 exit(1);
3942 }
3943 vmstate_dump_file = fopen(optarg, "w");
3944 if (vmstate_dump_file == NULL) {
3945 error_report("open %s: %s", optarg, strerror(errno));
3946 exit(1);
3947 }
3948 break;
3949 case QEMU_OPTION_enable_sync_profile:
3950 qsp_enable();
3951 break;
3952 case QEMU_OPTION_nouserconfig:
3953 /* Nothing to be parsed here. Especially, do not error out below. */
3954 break;
3955 default:
3956 if (os_parse_cmd_args(popt->index, optarg)) {
3957 error_report("Option not supported in this build");
3958 exit(1);
3959 }
3960 }
3961 }
3962 }
3963 /*
3964 * Clear error location left behind by the loop.
3965 * Best done right after the loop. Do not insert code here!
3966 */
3967 loc_set_none();
3968
3969 replay_configure(icount_opts);
3970
3971 if (incoming && !preconfig_exit_requested) {
3972 error_report("'preconfig' and 'incoming' options are "
3973 "mutually exclusive");
3974 exit(EXIT_FAILURE);
3975 }
3976
3977 configure_rtc(qemu_find_opts_singleton("rtc"));
3978
3979 machine_class = select_machine();
3980
3981 set_memory_options(&ram_slots, &maxram_size, machine_class);
3982
3983 os_daemonize();
3984 rcu_disable_atfork();
3985
3986 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3987 error_reportf_err(err, "cannot create PID file: ");
3988 exit(1);
3989 }
3990
3991 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3992 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3993
3994 if (qemu_init_main_loop(&main_loop_err)) {
3995 error_report_err(main_loop_err);
3996 exit(1);
3997 }
3998
3999 #ifdef CONFIG_SECCOMP
4000 olist = qemu_find_opts_err("sandbox", NULL);
4001 if (olist) {
4002 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4003 }
4004 #endif
4005
4006 qemu_opts_foreach(qemu_find_opts("name"),
4007 parse_name, NULL, &error_fatal);
4008
4009 #ifndef _WIN32
4010 qemu_opts_foreach(qemu_find_opts("add-fd"),
4011 parse_add_fd, NULL, &error_fatal);
4012
4013 qemu_opts_foreach(qemu_find_opts("add-fd"),
4014 cleanup_add_fd, NULL, &error_fatal);
4015 #endif
4016
4017 current_machine = MACHINE(object_new(object_class_get_name(
4018 OBJECT_CLASS(machine_class))));
4019 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4020 exit(0);
4021 }
4022 object_property_add_child(object_get_root(), "machine",
4023 OBJECT(current_machine), &error_abort);
4024
4025 if (machine_class->minimum_page_bits) {
4026 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4027 /* This would be a board error: specifying a minimum smaller than
4028 * a target's compile-time fixed setting.
4029 */
4030 g_assert_not_reached();
4031 }
4032 }
4033
4034 cpu_exec_init_all();
4035
4036 if (machine_class->hw_version) {
4037 qemu_set_hw_version(machine_class->hw_version);
4038 }
4039
4040 if (cpu_model && is_help_option(cpu_model)) {
4041 list_cpus(stdout, &fprintf, cpu_model);
4042 exit(0);
4043 }
4044
4045 if (!trace_init_backends()) {
4046 exit(1);
4047 }
4048 trace_init_file(trace_file);
4049
4050 /* Open the logfile at this point and set the log mask if necessary.
4051 */
4052 if (log_file) {
4053 qemu_set_log_filename(log_file, &error_fatal);
4054 }
4055
4056 if (log_mask) {
4057 int mask;
4058 mask = qemu_str_to_log_mask(log_mask);
4059 if (!mask) {
4060 qemu_print_log_usage(stdout);
4061 exit(1);
4062 }
4063 qemu_set_log(mask);
4064 } else {
4065 qemu_set_log(0);
4066 }
4067
4068 /* add configured firmware directories */
4069 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4070 for (i = 0; dirs[i] != NULL; i++) {
4071 qemu_add_data_dir(dirs[i]);
4072 }
4073 g_strfreev(dirs);
4074
4075 /* try to find datadir relative to the executable path */
4076 dir = os_find_datadir();
4077 qemu_add_data_dir(dir);
4078 g_free(dir);
4079
4080 /* add the datadir specified when building */
4081 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4082
4083 /* -L help lists the data directories and exits. */
4084 if (list_data_dirs) {
4085 for (i = 0; i < data_dir_idx; i++) {
4086 printf("%s\n", data_dir[i]);
4087 }
4088 exit(0);
4089 }
4090
4091 /* machine_class: default to UP */
4092 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4093 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4094 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4095
4096 /* default to machine_class->default_cpus */
4097 smp_cpus = machine_class->default_cpus;
4098 max_cpus = machine_class->default_cpus;
4099
4100 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4101
4102 /* sanity-check smp_cpus and max_cpus against machine_class */
4103 if (smp_cpus < machine_class->min_cpus) {
4104 error_report("Invalid SMP CPUs %d. The min CPUs "
4105 "supported by machine '%s' is %d", smp_cpus,
4106 machine_class->name, machine_class->min_cpus);
4107 exit(1);
4108 }
4109 if (max_cpus > machine_class->max_cpus) {
4110 error_report("Invalid SMP CPUs %d. The max CPUs "
4111 "supported by machine '%s' is %d", max_cpus,
4112 machine_class->name, machine_class->max_cpus);
4113 exit(1);
4114 }
4115
4116 /*
4117 * Get the default machine options from the machine if it is not already
4118 * specified either by the configuration file or by the command line.
4119 */
4120 if (machine_class->default_machine_opts) {
4121 qemu_opts_set_defaults(qemu_find_opts("machine"),
4122 machine_class->default_machine_opts, 0);
4123 }
4124
4125 qemu_opts_foreach(qemu_find_opts("device"),
4126 default_driver_check, NULL, NULL);
4127 qemu_opts_foreach(qemu_find_opts("global"),
4128 default_driver_check, NULL, NULL);
4129
4130 if (!vga_model && !default_vga) {
4131 vga_interface_type = VGA_DEVICE;
4132 }
4133 if (!has_defaults || machine_class->no_serial) {
4134 default_serial = 0;
4135 }
4136 if (!has_defaults || machine_class->no_parallel) {
4137 default_parallel = 0;
4138 }
4139 if (!has_defaults || machine_class->no_floppy) {
4140 default_floppy = 0;
4141 }
4142 if (!has_defaults || machine_class->no_cdrom) {
4143 default_cdrom = 0;
4144 }
4145 if (!has_defaults || machine_class->no_sdcard) {
4146 default_sdcard = 0;
4147 }
4148 if (!has_defaults) {
4149 default_monitor = 0;
4150 default_net = 0;
4151 default_vga = 0;
4152 }
4153
4154 if (is_daemonized()) {
4155 if (!preconfig_exit_requested) {
4156 error_report("'preconfig' and 'daemonize' options are "
4157 "mutually exclusive");
4158 exit(EXIT_FAILURE);
4159 }
4160
4161 /* According to documentation and historically, -nographic redirects
4162 * serial port, parallel port and monitor to stdio, which does not work
4163 * with -daemonize. We can redirect these to null instead, but since
4164 * -nographic is legacy, let's just error out.
4165 * We disallow -nographic only if all other ports are not redirected
4166 * explicitly, to not break existing legacy setups which uses
4167 * -nographic _and_ redirects all ports explicitly - this is valid
4168 * usage, -nographic is just a no-op in this case.
4169 */
4170 if (nographic
4171 && (default_parallel || default_serial || default_monitor)) {
4172 error_report("-nographic cannot be used with -daemonize");
4173 exit(1);
4174 }
4175 #ifdef CONFIG_CURSES
4176 if (dpy.type == DISPLAY_TYPE_CURSES) {
4177 error_report("curses display cannot be used with -daemonize");
4178 exit(1);
4179 }
4180 #endif
4181 }
4182
4183 if (nographic) {
4184 if (default_parallel)
4185 add_device_config(DEV_PARALLEL, "null");
4186 if (default_serial && default_monitor) {
4187 add_device_config(DEV_SERIAL, "mon:stdio");
4188 } else {
4189 if (default_serial)
4190 add_device_config(DEV_SERIAL, "stdio");
4191 if (default_monitor)
4192 monitor_parse("stdio", "readline", false);
4193 }
4194 } else {
4195 if (default_serial)
4196 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4197 if (default_parallel)
4198 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4199 if (default_monitor)
4200 monitor_parse("vc:80Cx24C", "readline", false);
4201 }
4202
4203 #if defined(CONFIG_VNC)
4204 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4205 display_remote++;
4206 }
4207 #endif
4208 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4209 if (!qemu_display_find_default(&dpy)) {
4210 dpy.type = DISPLAY_TYPE_NONE;
4211 #if defined(CONFIG_VNC)
4212 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4213 #endif
4214 }
4215 }
4216 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4217 dpy.type = DISPLAY_TYPE_NONE;
4218 }
4219
4220 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4221 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4222 "for SDL, ignoring option");
4223 }
4224 if (dpy.has_window_close &&
4225 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4226 error_report("-no-quit is only valid for GTK and SDL, "
4227 "ignoring option");
4228 }
4229
4230 qemu_display_early_init(&dpy);
4231 qemu_console_early_init();
4232
4233 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4234 #if defined(CONFIG_OPENGL)
4235 error_report("OpenGL is not supported by the display");
4236 #else
4237 error_report("OpenGL support is disabled");
4238 #endif
4239 exit(1);
4240 }
4241
4242 page_size_init();
4243 socket_init();
4244
4245 qemu_opts_foreach(qemu_find_opts("object"),
4246 user_creatable_add_opts_foreach,
4247 object_create_initial, &error_fatal);
4248
4249 qemu_opts_foreach(qemu_find_opts("chardev"),
4250 chardev_init_func, NULL, &error_fatal);
4251
4252 #ifdef CONFIG_VIRTFS
4253 qemu_opts_foreach(qemu_find_opts("fsdev"),
4254 fsdev_init_func, NULL, &error_fatal);
4255 #endif
4256
4257 if (qemu_opts_foreach(qemu_find_opts("device"),
4258 device_help_func, NULL, NULL)) {
4259 exit(0);
4260 }
4261
4262 machine_opts = qemu_get_machine_opts();
4263 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4264 &error_fatal);
4265
4266 configure_accelerator(current_machine, argv[0]);
4267
4268 if (!qtest_enabled() && machine_class->deprecation_reason) {
4269 error_report("Machine type '%s' is deprecated: %s",
4270 machine_class->name, machine_class->deprecation_reason);
4271 }
4272
4273 /*
4274 * Register all the global properties, including accel properties,
4275 * machine properties, and user-specified ones.
4276 */
4277 register_global_properties(current_machine);
4278
4279 /*
4280 * Migration object can only be created after global properties
4281 * are applied correctly.
4282 */
4283 migration_object_init();
4284
4285 if (qtest_chrdev) {
4286 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4287 }
4288
4289 machine_opts = qemu_get_machine_opts();
4290 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4291 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4292 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4293 bios_name = qemu_opt_get(machine_opts, "firmware");
4294
4295 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4296 if (opts) {
4297 boot_order = qemu_opt_get(opts, "order");
4298 if (boot_order) {
4299 validate_bootdevices(boot_order, &error_fatal);
4300 }
4301
4302 boot_once = qemu_opt_get(opts, "once");
4303 if (boot_once) {
4304 validate_bootdevices(boot_once, &error_fatal);
4305 }
4306
4307 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4308 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4309 }
4310
4311 if (!boot_order) {
4312 boot_order = machine_class->default_boot_order;
4313 }
4314
4315 if (!kernel_cmdline) {
4316 kernel_cmdline = "";
4317 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4318 }
4319
4320 linux_boot = (kernel_filename != NULL);
4321
4322 if (!linux_boot && *kernel_cmdline != '\0') {
4323 error_report("-append only allowed with -kernel option");
4324 exit(1);
4325 }
4326
4327 if (!linux_boot && initrd_filename != NULL) {
4328 error_report("-initrd only allowed with -kernel option");
4329 exit(1);
4330 }
4331
4332 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4333 /* fall back to the -kernel/-append */
4334 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4335 }
4336
4337 os_set_line_buffering();
4338
4339 /* spice needs the timers to be initialized by this point */
4340 qemu_spice_init();
4341
4342 cpu_ticks_init();
4343 if (icount_opts) {
4344 if (!tcg_enabled()) {
4345 error_report("-icount is not allowed with hardware virtualization");
4346 exit(1);
4347 }
4348 configure_icount(icount_opts, &error_abort);
4349 qemu_opts_del(icount_opts);
4350 }
4351
4352 if (tcg_enabled()) {
4353 qemu_tcg_configure(accel_opts, &error_fatal);
4354 }
4355
4356 if (default_net) {
4357 QemuOptsList *net = qemu_find_opts("net");
4358 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4359 #ifdef CONFIG_SLIRP
4360 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4361 #endif
4362 }
4363
4364 if (net_init_clients(&err) < 0) {
4365 error_report_err(err);
4366 exit(1);
4367 }
4368
4369 qemu_opts_foreach(qemu_find_opts("object"),
4370 user_creatable_add_opts_foreach,
4371 object_create_delayed, &error_fatal);
4372
4373 tpm_init();
4374
4375 /* init the bluetooth world */
4376 if (foreach_device_config(DEV_BT, bt_parse))
4377 exit(1);
4378
4379 if (!xen_enabled()) {
4380 /* On 32-bit hosts, QEMU is limited by virtual address space */
4381 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4382 error_report("at most 2047 MB RAM can be simulated");
4383 exit(1);
4384 }
4385 }
4386
4387 blk_mig_init();
4388 ram_mig_init();
4389 dirty_bitmap_mig_init();
4390
4391 /* If the currently selected machine wishes to override the units-per-bus
4392 * property of its default HBA interface type, do so now. */
4393 if (machine_class->units_per_default_bus) {
4394 override_max_devs(machine_class->block_default_type,
4395 machine_class->units_per_default_bus);
4396 }
4397
4398 /* open the virtual block devices */
4399 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4400 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4401
4402 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4403 loc_push_restore(&bdo->loc);
4404 qmp_blockdev_add(bdo->bdo, &error_fatal);
4405 loc_pop(&bdo->loc);
4406 qapi_free_BlockdevOptions(bdo->bdo);
4407 g_free(bdo);
4408 }
4409 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4410 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4411 NULL, NULL);
4412 }
4413 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4414 &machine_class->block_default_type, &error_fatal)) {
4415 /* We printed help */
4416 exit(0);
4417 }
4418
4419 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4420 CDROM_OPTS);
4421 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4422 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4423
4424 qemu_opts_foreach(qemu_find_opts("mon"),
4425 mon_init_func, NULL, &error_fatal);
4426
4427 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4428 exit(1);
4429 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4430 exit(1);
4431 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4432 exit(1);
4433
4434 /* If no default VGA is requested, the default is "none". */
4435 if (default_vga) {
4436 if (machine_class->default_display) {
4437 vga_model = machine_class->default_display;
4438 } else if (vga_interface_available(VGA_CIRRUS)) {
4439 vga_model = "cirrus";
4440 } else if (vga_interface_available(VGA_STD)) {
4441 vga_model = "std";
4442 }
4443 }
4444 if (vga_model) {
4445 select_vgahw(vga_model);
4446 }
4447
4448 if (watchdog) {
4449 i = select_watchdog(watchdog);
4450 if (i > 0)
4451 exit (i == 1 ? 1 : 0);
4452 }
4453
4454 /* This checkpoint is required by replay to separate prior clock
4455 reading from the other reads, because timer polling functions query
4456 clock values from the log. */
4457 replay_checkpoint(CHECKPOINT_INIT);
4458 qdev_machine_init();
4459
4460 current_machine->ram_size = ram_size;
4461 current_machine->maxram_size = maxram_size;
4462 current_machine->ram_slots = ram_slots;
4463 current_machine->boot_order = boot_order;
4464
4465 /* parse features once if machine provides default cpu_type */
4466 current_machine->cpu_type = machine_class->default_cpu_type;
4467 if (cpu_model) {
4468 current_machine->cpu_type = parse_cpu_model(cpu_model);
4469 }
4470 parse_numa_opts(current_machine);
4471
4472 /* do monitor/qmp handling at preconfig state if requested */
4473 main_loop();
4474
4475 /* from here on runstate is RUN_STATE_PRELAUNCH */
4476 machine_run_board_init(current_machine);
4477
4478 realtime_init();
4479
4480 soundhw_init();
4481
4482 if (hax_enabled()) {
4483 hax_sync_vcpus();
4484 }
4485
4486 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4487 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4488
4489 /* init USB devices */
4490 if (machine_usb(current_machine)) {
4491 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4492 exit(1);
4493 }
4494
4495 /* Check if IGD GFX passthrough. */
4496 igd_gfx_passthru();
4497
4498 /* init generic devices */
4499 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4500 qemu_opts_foreach(qemu_find_opts("device"),
4501 device_init_func, NULL, &error_fatal);
4502
4503 cpu_synchronize_all_post_init();
4504
4505 rom_reset_order_override();
4506
4507 /* Did we create any drives that we failed to create a device for? */
4508 drive_check_orphaned();
4509
4510 /* Don't warn about the default network setup that you get if
4511 * no command line -net or -netdev options are specified. There
4512 * are two cases that we would otherwise complain about:
4513 * (1) board doesn't support a NIC but the implicit "-net nic"
4514 * requested one
4515 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4516 * sets up a nic that isn't connected to anything.
4517 */
4518 if (!default_net && (!qtest_enabled() || has_defaults)) {
4519 net_check_clients();
4520 }
4521
4522 if (boot_once) {
4523 qemu_boot_set(boot_once, &error_fatal);
4524 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4525 }
4526
4527 /* init local displays */
4528 ds = init_displaystate();
4529 qemu_display_init(ds, &dpy);
4530
4531 /* must be after terminal init, SDL library changes signal handlers */
4532 os_setup_signal_handling();
4533
4534 /* init remote displays */
4535 #ifdef CONFIG_VNC
4536 qemu_opts_foreach(qemu_find_opts("vnc"),
4537 vnc_init_func, NULL, &error_fatal);
4538 #endif
4539
4540 if (using_spice) {
4541 qemu_spice_display_init();
4542 }
4543
4544 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4545 exit(1);
4546 }
4547
4548 qdev_machine_creation_done();
4549
4550 /* TODO: once all bus devices are qdevified, this should be done
4551 * when bus is created by qdev.c */
4552 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4553 qemu_run_machine_init_done_notifiers();
4554
4555 if (rom_check_and_register_reset() != 0) {
4556 error_report("rom check and register reset failed");
4557 exit(1);
4558 }
4559
4560 replay_start();
4561
4562 /* This checkpoint is required by replay to separate prior clock
4563 reading from the other reads, because timer polling functions query
4564 clock values from the log. */
4565 replay_checkpoint(CHECKPOINT_RESET);
4566 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4567 register_global_state();
4568 if (loadvm) {
4569 Error *local_err = NULL;
4570 if (load_snapshot(loadvm, &local_err) < 0) {
4571 error_report_err(local_err);
4572 autostart = 0;
4573 exit(1);
4574 }
4575 }
4576 if (replay_mode != REPLAY_MODE_NONE) {
4577 replay_vmstate_init();
4578 }
4579
4580 qdev_prop_check_globals();
4581 if (vmstate_dump_file) {
4582 /* dump and exit */
4583 dump_vmstate_json_to_file(vmstate_dump_file);
4584 return 0;
4585 }
4586
4587 if (incoming) {
4588 Error *local_err = NULL;
4589 qemu_start_incoming_migration(incoming, &local_err);
4590 if (local_err) {
4591 error_reportf_err(local_err, "-incoming %s: ", incoming);
4592 exit(1);
4593 }
4594 } else if (autostart) {
4595 vm_start();
4596 }
4597
4598 accel_setup_post(current_machine);
4599 os_setup_post();
4600
4601 main_loop();
4602
4603 gdbserver_cleanup();
4604
4605 /* No more vcpu or device emulation activity beyond this point */
4606 vm_shutdown();
4607
4608 job_cancel_sync_all();
4609 bdrv_close_all();
4610
4611 res_free();
4612
4613 /* vhost-user must be cleaned up before chardevs. */
4614 tpm_cleanup();
4615 net_cleanup();
4616 audio_cleanup();
4617 monitor_cleanup();
4618 qemu_chr_cleanup();
4619 user_creatable_cleanup();
4620 migration_object_finalize();
4621 /* TODO: unref root container, check all devices are ok */
4622
4623 return 0;
4624 }
armbru's QEMU hackery