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sdl: switch over to new display registry
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qapi/error.h"
27 #include "qemu-version.h"
28 #include "qemu/cutils.h"
29 #include "qemu/help_option.h"
30 #include "qemu/uuid.h"
31
32 #ifdef CONFIG_SECCOMP
33 #include <sys/prctl.h>
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #ifdef CONFIG_SDL
38 #if defined(__APPLE__) || defined(main)
39 #include <SDL.h>
40 int qemu_main(int argc, char **argv, char **envp);
41 int main(int argc, char **argv)
42 {
43 return qemu_main(argc, argv, NULL);
44 }
45 #undef main
46 #define main qemu_main
47 #endif
48 #endif /* CONFIG_SDL */
49
50 #ifdef CONFIG_COCOA
51 #undef main
52 #define main qemu_main
53 #endif /* CONFIG_COCOA */
54
55
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/isa/isa.h"
63 #include "hw/scsi/scsi.h"
64 #include "hw/display/vga.h"
65 #include "hw/bt.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/acpi/acpi.h"
69 #include "hw/xen/xen.h"
70 #include "hw/qdev.h"
71 #include "hw/loader.h"
72 #include "monitor/qdev.h"
73 #include "sysemu/bt.h"
74 #include "net/net.h"
75 #include "net/slirp.h"
76 #include "monitor/monitor.h"
77 #include "ui/console.h"
78 #include "ui/input.h"
79 #include "sysemu/sysemu.h"
80 #include "sysemu/numa.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "chardev/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/log.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/misc.h"
89 #include "migration/snapshot.h"
90 #include "migration/global_state.h"
91 #include "sysemu/tpm.h"
92 #include "sysemu/dma.h"
93 #include "hw/audio/soundhw.h"
94 #include "audio/audio.h"
95 #include "sysemu/cpus.h"
96 #include "migration/colo.h"
97 #include "sysemu/kvm.h"
98 #include "sysemu/hax.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qapi-visit.h"
101 #include "qemu/option.h"
102 #include "qemu/config-file.h"
103 #include "qemu-options.h"
104 #include "qmp-commands.h"
105 #include "qemu/main-loop.h"
106 #ifdef CONFIG_VIRTFS
107 #include "fsdev/qemu-fsdev.h"
108 #endif
109 #include "sysemu/qtest.h"
110
111 #include "disas/disas.h"
112
113
114 #include "slirp/libslirp.h"
115
116 #include "trace-root.h"
117 #include "trace/control.h"
118 #include "qemu/queue.h"
119 #include "sysemu/arch_init.h"
120
121 #include "ui/qemu-spice.h"
122 #include "qapi/string-input-visitor.h"
123 #include "qapi/opts-visitor.h"
124 #include "qom/object_interfaces.h"
125 #include "qapi-event.h"
126 #include "exec/semihost.h"
127 #include "crypto/init.h"
128 #include "sysemu/replay.h"
129 #include "qapi/qmp/qerror.h"
130 #include "sysemu/iothread.h"
131
132 #define MAX_VIRTIO_CONSOLES 1
133 #define MAX_SCLP_CONSOLES 1
134
135 static const char *data_dir[16];
136 static int data_dir_idx;
137 const char *bios_name = NULL;
138 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
139 int display_opengl;
140 const char* keyboard_layout = NULL;
141 ram_addr_t ram_size;
142 const char *mem_path = NULL;
143 int mem_prealloc = 0; /* force preallocation of physical target memory */
144 bool enable_mlock = false;
145 int nb_nics;
146 NICInfo nd_table[MAX_NICS];
147 int autostart;
148 static int rtc_utc = 1;
149 static int rtc_date_offset = -1; /* -1 means no change */
150 QEMUClockType rtc_clock;
151 int vga_interface_type = VGA_NONE;
152 static DisplayOptions dpy;
153 int no_frame;
154 Chardev *serial_hds[MAX_SERIAL_PORTS];
155 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
156 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
157 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
158 int win2k_install_hack = 0;
159 int singlestep = 0;
160 int smp_cpus;
161 unsigned int max_cpus;
162 int smp_cores = 1;
163 int smp_threads = 1;
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
185
186 int icount_align_option;
187
188 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
189 * little-endian "wire format" described in the SMBIOS 2.6 specification.
190 */
191 QemuUUID qemu_uuid;
192 bool qemu_uuid_set;
193
194 static NotifierList exit_notifiers =
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
196
197 static NotifierList machine_init_done_notifiers =
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
199
200 bool xen_allowed;
201 uint32_t xen_domid;
202 enum xen_mode xen_mode = XEN_EMULATE;
203 bool xen_domid_restrict;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215 static int default_net = 1;
216
217 static struct {
218 const char *driver;
219 int *flag;
220 } default_list[] = {
221 { .driver = "isa-serial", .flag = &default_serial },
222 { .driver = "isa-parallel", .flag = &default_parallel },
223 { .driver = "isa-fdc", .flag = &default_floppy },
224 { .driver = "floppy", .flag = &default_floppy },
225 { .driver = "ide-cd", .flag = &default_cdrom },
226 { .driver = "ide-hd", .flag = &default_cdrom },
227 { .driver = "ide-drive", .flag = &default_cdrom },
228 { .driver = "scsi-cd", .flag = &default_cdrom },
229 { .driver = "scsi-hd", .flag = &default_cdrom },
230 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
231 { .driver = "virtio-serial", .flag = &default_virtcon },
232 { .driver = "VGA", .flag = &default_vga },
233 { .driver = "isa-vga", .flag = &default_vga },
234 { .driver = "cirrus-vga", .flag = &default_vga },
235 { .driver = "isa-cirrus-vga", .flag = &default_vga },
236 { .driver = "vmware-svga", .flag = &default_vga },
237 { .driver = "qxl-vga", .flag = &default_vga },
238 { .driver = "virtio-vga", .flag = &default_vga },
239 };
240
241 static QemuOptsList qemu_rtc_opts = {
242 .name = "rtc",
243 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
244 .desc = {
245 {
246 .name = "base",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "clock",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "driftfix",
253 .type = QEMU_OPT_STRING,
254 },
255 { /* end of list */ }
256 },
257 };
258
259 static QemuOptsList qemu_sandbox_opts = {
260 .name = "sandbox",
261 .implied_opt_name = "enable",
262 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
263 .desc = {
264 {
265 .name = "enable",
266 .type = QEMU_OPT_BOOL,
267 },
268 {
269 .name = "obsolete",
270 .type = QEMU_OPT_STRING,
271 },
272 {
273 .name = "elevateprivileges",
274 .type = QEMU_OPT_STRING,
275 },
276 {
277 .name = "spawn",
278 .type = QEMU_OPT_STRING,
279 },
280 {
281 .name = "resourcecontrol",
282 .type = QEMU_OPT_STRING,
283 },
284 { /* end of list */ }
285 },
286 };
287
288 static QemuOptsList qemu_option_rom_opts = {
289 .name = "option-rom",
290 .implied_opt_name = "romfile",
291 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
292 .desc = {
293 {
294 .name = "bootindex",
295 .type = QEMU_OPT_NUMBER,
296 }, {
297 .name = "romfile",
298 .type = QEMU_OPT_STRING,
299 },
300 { /* end of list */ }
301 },
302 };
303
304 static QemuOptsList qemu_machine_opts = {
305 .name = "machine",
306 .implied_opt_name = "type",
307 .merge_lists = true,
308 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
309 .desc = {
310 /*
311 * no elements => accept any
312 * sanity checking will happen later
313 * when setting machine properties
314 */
315 { }
316 },
317 };
318
319 static QemuOptsList qemu_accel_opts = {
320 .name = "accel",
321 .implied_opt_name = "accel",
322 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
323 .merge_lists = true,
324 .desc = {
325 {
326 .name = "accel",
327 .type = QEMU_OPT_STRING,
328 .help = "Select the type of accelerator",
329 },
330 {
331 .name = "thread",
332 .type = QEMU_OPT_STRING,
333 .help = "Enable/disable multi-threaded TCG",
334 },
335 { /* end of list */ }
336 },
337 };
338
339 static QemuOptsList qemu_boot_opts = {
340 .name = "boot-opts",
341 .implied_opt_name = "order",
342 .merge_lists = true,
343 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
344 .desc = {
345 {
346 .name = "order",
347 .type = QEMU_OPT_STRING,
348 }, {
349 .name = "once",
350 .type = QEMU_OPT_STRING,
351 }, {
352 .name = "menu",
353 .type = QEMU_OPT_BOOL,
354 }, {
355 .name = "splash",
356 .type = QEMU_OPT_STRING,
357 }, {
358 .name = "splash-time",
359 .type = QEMU_OPT_STRING,
360 }, {
361 .name = "reboot-timeout",
362 .type = QEMU_OPT_STRING,
363 }, {
364 .name = "strict",
365 .type = QEMU_OPT_BOOL,
366 },
367 { /*End of list */ }
368 },
369 };
370
371 static QemuOptsList qemu_add_fd_opts = {
372 .name = "add-fd",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
374 .desc = {
375 {
376 .name = "fd",
377 .type = QEMU_OPT_NUMBER,
378 .help = "file descriptor of which a duplicate is added to fd set",
379 },{
380 .name = "set",
381 .type = QEMU_OPT_NUMBER,
382 .help = "ID of the fd set to add fd to",
383 },{
384 .name = "opaque",
385 .type = QEMU_OPT_STRING,
386 .help = "free-form string used to describe fd",
387 },
388 { /* end of list */ }
389 },
390 };
391
392 static QemuOptsList qemu_object_opts = {
393 .name = "object",
394 .implied_opt_name = "qom-type",
395 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
396 .desc = {
397 { }
398 },
399 };
400
401 static QemuOptsList qemu_tpmdev_opts = {
402 .name = "tpmdev",
403 .implied_opt_name = "type",
404 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
405 .desc = {
406 /* options are defined in the TPM backends */
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_realtime_opts = {
412 .name = "realtime",
413 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
414 .desc = {
415 {
416 .name = "mlock",
417 .type = QEMU_OPT_BOOL,
418 },
419 { /* end of list */ }
420 },
421 };
422
423 static QemuOptsList qemu_msg_opts = {
424 .name = "msg",
425 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
426 .desc = {
427 {
428 .name = "timestamp",
429 .type = QEMU_OPT_BOOL,
430 },
431 { /* end of list */ }
432 },
433 };
434
435 static QemuOptsList qemu_name_opts = {
436 .name = "name",
437 .implied_opt_name = "guest",
438 .merge_lists = true,
439 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
440 .desc = {
441 {
442 .name = "guest",
443 .type = QEMU_OPT_STRING,
444 .help = "Sets the name of the guest.\n"
445 "This name will be displayed in the SDL window caption.\n"
446 "The name will also be used for the VNC server",
447 }, {
448 .name = "process",
449 .type = QEMU_OPT_STRING,
450 .help = "Sets the name of the QEMU process, as shown in top etc",
451 }, {
452 .name = "debug-threads",
453 .type = QEMU_OPT_BOOL,
454 .help = "When enabled, name the individual threads; defaults off.\n"
455 "NOTE: The thread names are for debugging and not a\n"
456 "stable API.",
457 },
458 { /* End of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_mem_opts = {
463 .name = "memory",
464 .implied_opt_name = "size",
465 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
466 .merge_lists = true,
467 .desc = {
468 {
469 .name = "size",
470 .type = QEMU_OPT_SIZE,
471 },
472 {
473 .name = "slots",
474 .type = QEMU_OPT_NUMBER,
475 },
476 {
477 .name = "maxmem",
478 .type = QEMU_OPT_SIZE,
479 },
480 { /* end of list */ }
481 },
482 };
483
484 static QemuOptsList qemu_icount_opts = {
485 .name = "icount",
486 .implied_opt_name = "shift",
487 .merge_lists = true,
488 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
489 .desc = {
490 {
491 .name = "shift",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "align",
495 .type = QEMU_OPT_BOOL,
496 }, {
497 .name = "sleep",
498 .type = QEMU_OPT_BOOL,
499 }, {
500 .name = "rr",
501 .type = QEMU_OPT_STRING,
502 }, {
503 .name = "rrfile",
504 .type = QEMU_OPT_STRING,
505 }, {
506 .name = "rrsnapshot",
507 .type = QEMU_OPT_STRING,
508 },
509 { /* end of list */ }
510 },
511 };
512
513 static QemuOptsList qemu_semihosting_config_opts = {
514 .name = "semihosting-config",
515 .implied_opt_name = "enable",
516 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
517 .desc = {
518 {
519 .name = "enable",
520 .type = QEMU_OPT_BOOL,
521 }, {
522 .name = "target",
523 .type = QEMU_OPT_STRING,
524 }, {
525 .name = "arg",
526 .type = QEMU_OPT_STRING,
527 },
528 { /* end of list */ }
529 },
530 };
531
532 static QemuOptsList qemu_fw_cfg_opts = {
533 .name = "fw_cfg",
534 .implied_opt_name = "name",
535 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
536 .desc = {
537 {
538 .name = "name",
539 .type = QEMU_OPT_STRING,
540 .help = "Sets the fw_cfg name of the blob to be inserted",
541 }, {
542 .name = "file",
543 .type = QEMU_OPT_STRING,
544 .help = "Sets the name of the file from which\n"
545 "the fw_cfg blob will be loaded",
546 }, {
547 .name = "string",
548 .type = QEMU_OPT_STRING,
549 .help = "Sets content of the blob to be inserted from a string",
550 },
551 { /* end of list */ }
552 },
553 };
554
555 /**
556 * Get machine options
557 *
558 * Returns: machine options (never null).
559 */
560 QemuOpts *qemu_get_machine_opts(void)
561 {
562 return qemu_find_opts_singleton("machine");
563 }
564
565 const char *qemu_get_vm_name(void)
566 {
567 return qemu_name;
568 }
569
570 static void res_free(void)
571 {
572 g_free(boot_splash_filedata);
573 boot_splash_filedata = NULL;
574 }
575
576 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
577 {
578 const char *driver = qemu_opt_get(opts, "driver");
579 int i;
580
581 if (!driver)
582 return 0;
583 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
584 if (strcmp(default_list[i].driver, driver) != 0)
585 continue;
586 *(default_list[i].flag) = 0;
587 }
588 return 0;
589 }
590
591 /***********************************************************/
592 /* QEMU state */
593
594 static RunState current_run_state = RUN_STATE_PRELAUNCH;
595
596 /* We use RUN_STATE__MAX but any invalid value will do */
597 static RunState vmstop_requested = RUN_STATE__MAX;
598 static QemuMutex vmstop_lock;
599
600 typedef struct {
601 RunState from;
602 RunState to;
603 } RunStateTransition;
604
605 static const RunStateTransition runstate_transitions_def[] = {
606 /* from -> to */
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 if (current_run_state == new_state) {
731 return;
732 }
733
734 if (!runstate_valid_transitions[current_run_state][new_state]) {
735 error_report("invalid runstate transition: '%s' -> '%s'",
736 RunState_str(current_run_state),
737 RunState_str(new_state));
738 abort();
739 }
740 trace_runstate_set(new_state);
741 current_run_state = new_state;
742 }
743
744 int runstate_is_running(void)
745 {
746 return runstate_check(RUN_STATE_RUNNING);
747 }
748
749 bool runstate_needs_reset(void)
750 {
751 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
752 runstate_check(RUN_STATE_SHUTDOWN);
753 }
754
755 StatusInfo *qmp_query_status(Error **errp)
756 {
757 StatusInfo *info = g_malloc0(sizeof(*info));
758
759 info->running = runstate_is_running();
760 info->singlestep = singlestep;
761 info->status = current_run_state;
762
763 return info;
764 }
765
766 bool qemu_vmstop_requested(RunState *r)
767 {
768 qemu_mutex_lock(&vmstop_lock);
769 *r = vmstop_requested;
770 vmstop_requested = RUN_STATE__MAX;
771 qemu_mutex_unlock(&vmstop_lock);
772 return *r < RUN_STATE__MAX;
773 }
774
775 void qemu_system_vmstop_request_prepare(void)
776 {
777 qemu_mutex_lock(&vmstop_lock);
778 }
779
780 void qemu_system_vmstop_request(RunState state)
781 {
782 vmstop_requested = state;
783 qemu_mutex_unlock(&vmstop_lock);
784 qemu_notify_event();
785 }
786
787 /***********************************************************/
788 /* real time host monotonic timer */
789
790 static time_t qemu_time(void)
791 {
792 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
793 }
794
795 /***********************************************************/
796 /* host time/date access */
797 void qemu_get_timedate(struct tm *tm, int offset)
798 {
799 time_t ti = qemu_time();
800
801 ti += offset;
802 if (rtc_date_offset == -1) {
803 if (rtc_utc)
804 gmtime_r(&ti, tm);
805 else
806 localtime_r(&ti, tm);
807 } else {
808 ti -= rtc_date_offset;
809 gmtime_r(&ti, tm);
810 }
811 }
812
813 int qemu_timedate_diff(struct tm *tm)
814 {
815 time_t seconds;
816
817 if (rtc_date_offset == -1)
818 if (rtc_utc)
819 seconds = mktimegm(tm);
820 else {
821 struct tm tmp = *tm;
822 tmp.tm_isdst = -1; /* use timezone to figure it out */
823 seconds = mktime(&tmp);
824 }
825 else
826 seconds = mktimegm(tm) + rtc_date_offset;
827
828 return seconds - qemu_time();
829 }
830
831 static void configure_rtc_date_offset(const char *startdate, int legacy)
832 {
833 time_t rtc_start_date;
834 struct tm tm;
835
836 if (!strcmp(startdate, "now") && legacy) {
837 rtc_date_offset = -1;
838 } else {
839 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
840 &tm.tm_year,
841 &tm.tm_mon,
842 &tm.tm_mday,
843 &tm.tm_hour,
844 &tm.tm_min,
845 &tm.tm_sec) == 6) {
846 /* OK */
847 } else if (sscanf(startdate, "%d-%d-%d",
848 &tm.tm_year,
849 &tm.tm_mon,
850 &tm.tm_mday) == 3) {
851 tm.tm_hour = 0;
852 tm.tm_min = 0;
853 tm.tm_sec = 0;
854 } else {
855 goto date_fail;
856 }
857 tm.tm_year -= 1900;
858 tm.tm_mon--;
859 rtc_start_date = mktimegm(&tm);
860 if (rtc_start_date == -1) {
861 date_fail:
862 error_report("invalid date format");
863 error_printf("valid formats: "
864 "'2006-06-17T16:01:21' or '2006-06-17'\n");
865 exit(1);
866 }
867 rtc_date_offset = qemu_time() - rtc_start_date;
868 }
869 }
870
871 static void configure_rtc(QemuOpts *opts)
872 {
873 const char *value;
874
875 value = qemu_opt_get(opts, "base");
876 if (value) {
877 if (!strcmp(value, "utc")) {
878 rtc_utc = 1;
879 } else if (!strcmp(value, "localtime")) {
880 Error *blocker = NULL;
881 rtc_utc = 0;
882 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
883 "-rtc base=localtime");
884 replay_add_blocker(blocker);
885 } else {
886 configure_rtc_date_offset(value, 0);
887 }
888 }
889 value = qemu_opt_get(opts, "clock");
890 if (value) {
891 if (!strcmp(value, "host")) {
892 rtc_clock = QEMU_CLOCK_HOST;
893 } else if (!strcmp(value, "rt")) {
894 rtc_clock = QEMU_CLOCK_REALTIME;
895 } else if (!strcmp(value, "vm")) {
896 rtc_clock = QEMU_CLOCK_VIRTUAL;
897 } else {
898 error_report("invalid option value '%s'", value);
899 exit(1);
900 }
901 }
902 value = qemu_opt_get(opts, "driftfix");
903 if (value) {
904 if (!strcmp(value, "slew")) {
905 static GlobalProperty slew_lost_ticks = {
906 .driver = "mc146818rtc",
907 .property = "lost_tick_policy",
908 .value = "slew",
909 };
910
911 qdev_prop_register_global(&slew_lost_ticks);
912 } else if (!strcmp(value, "none")) {
913 /* discard is default */
914 } else {
915 error_report("invalid option value '%s'", value);
916 exit(1);
917 }
918 }
919 }
920
921 /***********************************************************/
922 /* Bluetooth support */
923 static int nb_hcis;
924 static int cur_hci;
925 static struct HCIInfo *hci_table[MAX_NICS];
926
927 struct HCIInfo *qemu_next_hci(void)
928 {
929 if (cur_hci == nb_hcis)
930 return &null_hci;
931
932 return hci_table[cur_hci++];
933 }
934
935 static int bt_hci_parse(const char *str)
936 {
937 struct HCIInfo *hci;
938 bdaddr_t bdaddr;
939
940 if (nb_hcis >= MAX_NICS) {
941 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
942 return -1;
943 }
944
945 hci = hci_init(str);
946 if (!hci)
947 return -1;
948
949 bdaddr.b[0] = 0x52;
950 bdaddr.b[1] = 0x54;
951 bdaddr.b[2] = 0x00;
952 bdaddr.b[3] = 0x12;
953 bdaddr.b[4] = 0x34;
954 bdaddr.b[5] = 0x56 + nb_hcis;
955 hci->bdaddr_set(hci, bdaddr.b);
956
957 hci_table[nb_hcis++] = hci;
958
959 return 0;
960 }
961
962 static void bt_vhci_add(int vlan_id)
963 {
964 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
965
966 if (!vlan->slave)
967 warn_report("adding a VHCI to an empty scatternet %i",
968 vlan_id);
969
970 bt_vhci_init(bt_new_hci(vlan));
971 }
972
973 static struct bt_device_s *bt_device_add(const char *opt)
974 {
975 struct bt_scatternet_s *vlan;
976 int vlan_id = 0;
977 char *endp = strstr(opt, ",vlan=");
978 int len = (endp ? endp - opt : strlen(opt)) + 1;
979 char devname[10];
980
981 pstrcpy(devname, MIN(sizeof(devname), len), opt);
982
983 if (endp) {
984 vlan_id = strtol(endp + 6, &endp, 0);
985 if (*endp) {
986 error_report("unrecognised bluetooth vlan Id");
987 return 0;
988 }
989 }
990
991 vlan = qemu_find_bt_vlan(vlan_id);
992
993 if (!vlan->slave)
994 warn_report("adding a slave device to an empty scatternet %i",
995 vlan_id);
996
997 if (!strcmp(devname, "keyboard"))
998 return bt_keyboard_init(vlan);
999
1000 error_report("unsupported bluetooth device '%s'", devname);
1001 return 0;
1002 }
1003
1004 static int bt_parse(const char *opt)
1005 {
1006 const char *endp, *p;
1007 int vlan;
1008
1009 if (strstart(opt, "hci", &endp)) {
1010 if (!*endp || *endp == ',') {
1011 if (*endp)
1012 if (!strstart(endp, ",vlan=", 0))
1013 opt = endp + 1;
1014
1015 return bt_hci_parse(opt);
1016 }
1017 } else if (strstart(opt, "vhci", &endp)) {
1018 if (!*endp || *endp == ',') {
1019 if (*endp) {
1020 if (strstart(endp, ",vlan=", &p)) {
1021 vlan = strtol(p, (char **) &endp, 0);
1022 if (*endp) {
1023 error_report("bad scatternet '%s'", p);
1024 return 1;
1025 }
1026 } else {
1027 error_report("bad parameter '%s'", endp + 1);
1028 return 1;
1029 }
1030 } else
1031 vlan = 0;
1032
1033 bt_vhci_add(vlan);
1034 return 0;
1035 }
1036 } else if (strstart(opt, "device:", &endp))
1037 return !bt_device_add(endp);
1038
1039 error_report("bad bluetooth parameter '%s'", opt);
1040 return 1;
1041 }
1042
1043 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1044 {
1045 if (qemu_opt_get_bool(opts, "enable", false)) {
1046 #ifdef CONFIG_SECCOMP
1047 uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT
1048 | QEMU_SECCOMP_SET_OBSOLETE;
1049 const char *value = NULL;
1050
1051 value = qemu_opt_get(opts, "obsolete");
1052 if (value) {
1053 if (g_str_equal(value, "allow")) {
1054 seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE;
1055 } else if (g_str_equal(value, "deny")) {
1056 /* this is the default option, this if is here
1057 * to provide a little bit of consistency for
1058 * the command line */
1059 } else {
1060 error_report("invalid argument for obsolete");
1061 return -1;
1062 }
1063 }
1064
1065 value = qemu_opt_get(opts, "elevateprivileges");
1066 if (value) {
1067 if (g_str_equal(value, "deny")) {
1068 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1069 } else if (g_str_equal(value, "children")) {
1070 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1071
1072 /* calling prctl directly because we're
1073 * not sure if host has CAP_SYS_ADMIN set*/
1074 if (prctl(PR_SET_NO_NEW_PRIVS, 1)) {
1075 error_report("failed to set no_new_privs "
1076 "aborting");
1077 return -1;
1078 }
1079 } else if (g_str_equal(value, "allow")) {
1080 /* default value */
1081 } else {
1082 error_report("invalid argument for elevateprivileges");
1083 return -1;
1084 }
1085 }
1086
1087 value = qemu_opt_get(opts, "spawn");
1088 if (value) {
1089 if (g_str_equal(value, "deny")) {
1090 seccomp_opts |= QEMU_SECCOMP_SET_SPAWN;
1091 } else if (g_str_equal(value, "allow")) {
1092 /* default value */
1093 } else {
1094 error_report("invalid argument for spawn");
1095 return -1;
1096 }
1097 }
1098
1099 value = qemu_opt_get(opts, "resourcecontrol");
1100 if (value) {
1101 if (g_str_equal(value, "deny")) {
1102 seccomp_opts |= QEMU_SECCOMP_SET_RESOURCECTL;
1103 } else if (g_str_equal(value, "allow")) {
1104 /* default value */
1105 } else {
1106 error_report("invalid argument for resourcecontrol");
1107 return -1;
1108 }
1109 }
1110
1111 if (seccomp_start(seccomp_opts) < 0) {
1112 error_report("failed to install seccomp syscall filter "
1113 "in the kernel");
1114 return -1;
1115 }
1116 #else
1117 error_report("seccomp support is disabled");
1118 return -1;
1119 #endif
1120 }
1121
1122 return 0;
1123 }
1124
1125 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1126 {
1127 const char *proc_name;
1128
1129 if (qemu_opt_get(opts, "debug-threads")) {
1130 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1131 }
1132 qemu_name = qemu_opt_get(opts, "guest");
1133
1134 proc_name = qemu_opt_get(opts, "process");
1135 if (proc_name) {
1136 os_set_proc_name(proc_name);
1137 }
1138
1139 return 0;
1140 }
1141
1142 bool defaults_enabled(void)
1143 {
1144 return has_defaults;
1145 }
1146
1147 #ifndef _WIN32
1148 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1149 {
1150 int fd, dupfd, flags;
1151 int64_t fdset_id;
1152 const char *fd_opaque = NULL;
1153 AddfdInfo *fdinfo;
1154
1155 fd = qemu_opt_get_number(opts, "fd", -1);
1156 fdset_id = qemu_opt_get_number(opts, "set", -1);
1157 fd_opaque = qemu_opt_get(opts, "opaque");
1158
1159 if (fd < 0) {
1160 error_report("fd option is required and must be non-negative");
1161 return -1;
1162 }
1163
1164 if (fd <= STDERR_FILENO) {
1165 error_report("fd cannot be a standard I/O stream");
1166 return -1;
1167 }
1168
1169 /*
1170 * All fds inherited across exec() necessarily have FD_CLOEXEC
1171 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1172 */
1173 flags = fcntl(fd, F_GETFD);
1174 if (flags == -1 || (flags & FD_CLOEXEC)) {
1175 error_report("fd is not valid or already in use");
1176 return -1;
1177 }
1178
1179 if (fdset_id < 0) {
1180 error_report("set option is required and must be non-negative");
1181 return -1;
1182 }
1183
1184 #ifdef F_DUPFD_CLOEXEC
1185 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1186 #else
1187 dupfd = dup(fd);
1188 if (dupfd != -1) {
1189 qemu_set_cloexec(dupfd);
1190 }
1191 #endif
1192 if (dupfd == -1) {
1193 error_report("error duplicating fd: %s", strerror(errno));
1194 return -1;
1195 }
1196
1197 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1198 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1199 &error_abort);
1200 g_free(fdinfo);
1201
1202 return 0;
1203 }
1204
1205 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1206 {
1207 int fd;
1208
1209 fd = qemu_opt_get_number(opts, "fd", -1);
1210 close(fd);
1211
1212 return 0;
1213 }
1214 #endif
1215
1216 /***********************************************************/
1217 /* QEMU Block devices */
1218
1219 #define HD_OPTS "media=disk"
1220 #define CDROM_OPTS "media=cdrom"
1221 #define FD_OPTS ""
1222 #define PFLASH_OPTS ""
1223 #define MTD_OPTS ""
1224 #define SD_OPTS ""
1225
1226 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1227 {
1228 BlockInterfaceType *block_default_type = opaque;
1229
1230 return drive_new(opts, *block_default_type) == NULL;
1231 }
1232
1233 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1234 {
1235 if (qemu_opt_get(opts, "snapshot") == NULL) {
1236 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1237 }
1238 return 0;
1239 }
1240
1241 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1242 int index, const char *optstr)
1243 {
1244 QemuOpts *opts;
1245 DriveInfo *dinfo;
1246
1247 if (!enable || drive_get_by_index(type, index)) {
1248 return;
1249 }
1250
1251 opts = drive_add(type, index, NULL, optstr);
1252 if (snapshot) {
1253 drive_enable_snapshot(NULL, opts, NULL);
1254 }
1255
1256 dinfo = drive_new(opts, type);
1257 if (!dinfo) {
1258 exit(1);
1259 }
1260 dinfo->is_default = true;
1261
1262 }
1263
1264 static QemuOptsList qemu_smp_opts = {
1265 .name = "smp-opts",
1266 .implied_opt_name = "cpus",
1267 .merge_lists = true,
1268 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1269 .desc = {
1270 {
1271 .name = "cpus",
1272 .type = QEMU_OPT_NUMBER,
1273 }, {
1274 .name = "sockets",
1275 .type = QEMU_OPT_NUMBER,
1276 }, {
1277 .name = "cores",
1278 .type = QEMU_OPT_NUMBER,
1279 }, {
1280 .name = "threads",
1281 .type = QEMU_OPT_NUMBER,
1282 }, {
1283 .name = "maxcpus",
1284 .type = QEMU_OPT_NUMBER,
1285 },
1286 { /*End of list */ }
1287 },
1288 };
1289
1290 static void smp_parse(QemuOpts *opts)
1291 {
1292 if (opts) {
1293 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1294 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1295 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1296 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1297
1298 /* compute missing values, prefer sockets over cores over threads */
1299 if (cpus == 0 || sockets == 0) {
1300 sockets = sockets > 0 ? sockets : 1;
1301 cores = cores > 0 ? cores : 1;
1302 threads = threads > 0 ? threads : 1;
1303 if (cpus == 0) {
1304 cpus = cores * threads * sockets;
1305 }
1306 } else if (cores == 0) {
1307 threads = threads > 0 ? threads : 1;
1308 cores = cpus / (sockets * threads);
1309 cores = cores > 0 ? cores : 1;
1310 } else if (threads == 0) {
1311 threads = cpus / (cores * sockets);
1312 threads = threads > 0 ? threads : 1;
1313 } else if (sockets * cores * threads < cpus) {
1314 error_report("cpu topology: "
1315 "sockets (%u) * cores (%u) * threads (%u) < "
1316 "smp_cpus (%u)",
1317 sockets, cores, threads, cpus);
1318 exit(1);
1319 }
1320
1321 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1322
1323 if (max_cpus < cpus) {
1324 error_report("maxcpus must be equal to or greater than smp");
1325 exit(1);
1326 }
1327
1328 if (sockets * cores * threads > max_cpus) {
1329 error_report("cpu topology: "
1330 "sockets (%u) * cores (%u) * threads (%u) > "
1331 "maxcpus (%u)",
1332 sockets, cores, threads, max_cpus);
1333 exit(1);
1334 }
1335
1336 smp_cpus = cpus;
1337 smp_cores = cores;
1338 smp_threads = threads;
1339 }
1340
1341 if (smp_cpus > 1) {
1342 Error *blocker = NULL;
1343 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1344 replay_add_blocker(blocker);
1345 }
1346 }
1347
1348 static void realtime_init(void)
1349 {
1350 if (enable_mlock) {
1351 if (os_mlock() < 0) {
1352 error_report("locking memory failed");
1353 exit(1);
1354 }
1355 }
1356 }
1357
1358
1359 static void configure_msg(QemuOpts *opts)
1360 {
1361 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1362 }
1363
1364 /***********************************************************/
1365 /* Semihosting */
1366
1367 typedef struct SemihostingConfig {
1368 bool enabled;
1369 SemihostingTarget target;
1370 const char **argv;
1371 int argc;
1372 const char *cmdline; /* concatenated argv */
1373 } SemihostingConfig;
1374
1375 static SemihostingConfig semihosting;
1376
1377 bool semihosting_enabled(void)
1378 {
1379 return semihosting.enabled;
1380 }
1381
1382 SemihostingTarget semihosting_get_target(void)
1383 {
1384 return semihosting.target;
1385 }
1386
1387 const char *semihosting_get_arg(int i)
1388 {
1389 if (i >= semihosting.argc) {
1390 return NULL;
1391 }
1392 return semihosting.argv[i];
1393 }
1394
1395 int semihosting_get_argc(void)
1396 {
1397 return semihosting.argc;
1398 }
1399
1400 const char *semihosting_get_cmdline(void)
1401 {
1402 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1403 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1404 }
1405 return semihosting.cmdline;
1406 }
1407
1408 static int add_semihosting_arg(void *opaque,
1409 const char *name, const char *val,
1410 Error **errp)
1411 {
1412 SemihostingConfig *s = opaque;
1413 if (strcmp(name, "arg") == 0) {
1414 s->argc++;
1415 /* one extra element as g_strjoinv() expects NULL-terminated array */
1416 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1417 s->argv[s->argc - 1] = val;
1418 s->argv[s->argc] = NULL;
1419 }
1420 return 0;
1421 }
1422
1423 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1424 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1425 {
1426 char *cmd_token;
1427
1428 /* argv[0] */
1429 add_semihosting_arg(&semihosting, "arg", file, NULL);
1430
1431 /* split -append and initialize argv[1..n] */
1432 cmd_token = strtok(g_strdup(cmd), " ");
1433 while (cmd_token) {
1434 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1435 cmd_token = strtok(NULL, " ");
1436 }
1437 }
1438
1439 /* Now we still need this for compatibility with XEN. */
1440 bool has_igd_gfx_passthru;
1441 static void igd_gfx_passthru(void)
1442 {
1443 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1444 }
1445
1446 /***********************************************************/
1447 /* USB devices */
1448
1449 static int usb_device_add(const char *devname)
1450 {
1451 USBDevice *dev = NULL;
1452
1453 if (!machine_usb(current_machine)) {
1454 return -1;
1455 }
1456
1457 dev = usbdevice_create(devname);
1458 if (!dev)
1459 return -1;
1460
1461 return 0;
1462 }
1463
1464 static int usb_parse(const char *cmdline)
1465 {
1466 int r;
1467 r = usb_device_add(cmdline);
1468 if (r < 0) {
1469 error_report("could not add USB device '%s'", cmdline);
1470 }
1471 return r;
1472 }
1473
1474 /***********************************************************/
1475 /* machine registration */
1476
1477 MachineState *current_machine;
1478
1479 static MachineClass *find_machine(const char *name)
1480 {
1481 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1482 MachineClass *mc = NULL;
1483
1484 for (el = machines; el; el = el->next) {
1485 MachineClass *temp = el->data;
1486
1487 if (!strcmp(temp->name, name)) {
1488 mc = temp;
1489 break;
1490 }
1491 if (temp->alias &&
1492 !strcmp(temp->alias, name)) {
1493 mc = temp;
1494 break;
1495 }
1496 }
1497
1498 g_slist_free(machines);
1499 return mc;
1500 }
1501
1502 MachineClass *find_default_machine(void)
1503 {
1504 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1505 MachineClass *mc = NULL;
1506
1507 for (el = machines; el; el = el->next) {
1508 MachineClass *temp = el->data;
1509
1510 if (temp->is_default) {
1511 mc = temp;
1512 break;
1513 }
1514 }
1515
1516 g_slist_free(machines);
1517 return mc;
1518 }
1519
1520 MachineInfoList *qmp_query_machines(Error **errp)
1521 {
1522 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1523 MachineInfoList *mach_list = NULL;
1524
1525 for (el = machines; el; el = el->next) {
1526 MachineClass *mc = el->data;
1527 MachineInfoList *entry;
1528 MachineInfo *info;
1529
1530 info = g_malloc0(sizeof(*info));
1531 if (mc->is_default) {
1532 info->has_is_default = true;
1533 info->is_default = true;
1534 }
1535
1536 if (mc->alias) {
1537 info->has_alias = true;
1538 info->alias = g_strdup(mc->alias);
1539 }
1540
1541 info->name = g_strdup(mc->name);
1542 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1543 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1544
1545 entry = g_malloc0(sizeof(*entry));
1546 entry->value = info;
1547 entry->next = mach_list;
1548 mach_list = entry;
1549 }
1550
1551 g_slist_free(machines);
1552 return mach_list;
1553 }
1554
1555 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1556 {
1557 ObjectProperty *prop;
1558 ObjectPropertyIterator iter;
1559
1560 if (!qemu_opt_has_help_opt(opts)) {
1561 return 0;
1562 }
1563
1564 object_property_iter_init(&iter, OBJECT(machine));
1565 while ((prop = object_property_iter_next(&iter))) {
1566 if (!prop->set) {
1567 continue;
1568 }
1569
1570 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1571 prop->name, prop->type);
1572 if (prop->description) {
1573 error_printf(" (%s)\n", prop->description);
1574 } else {
1575 error_printf("\n");
1576 }
1577 }
1578
1579 return 1;
1580 }
1581
1582 /***********************************************************/
1583 /* main execution loop */
1584
1585 struct vm_change_state_entry {
1586 VMChangeStateHandler *cb;
1587 void *opaque;
1588 QLIST_ENTRY (vm_change_state_entry) entries;
1589 };
1590
1591 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1592
1593 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1594 void *opaque)
1595 {
1596 VMChangeStateEntry *e;
1597
1598 e = g_malloc0(sizeof (*e));
1599
1600 e->cb = cb;
1601 e->opaque = opaque;
1602 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1603 return e;
1604 }
1605
1606 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1607 {
1608 QLIST_REMOVE (e, entries);
1609 g_free (e);
1610 }
1611
1612 void vm_state_notify(int running, RunState state)
1613 {
1614 VMChangeStateEntry *e, *next;
1615
1616 trace_vm_state_notify(running, state);
1617
1618 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1619 e->cb(e->opaque, running, state);
1620 }
1621 }
1622
1623 static ShutdownCause reset_requested;
1624 static ShutdownCause shutdown_requested;
1625 static int shutdown_signal;
1626 static pid_t shutdown_pid;
1627 static int powerdown_requested;
1628 static int debug_requested;
1629 static int suspend_requested;
1630 static WakeupReason wakeup_reason;
1631 static NotifierList powerdown_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1633 static NotifierList suspend_notifiers =
1634 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1635 static NotifierList wakeup_notifiers =
1636 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1637 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1638
1639 ShutdownCause qemu_shutdown_requested_get(void)
1640 {
1641 return shutdown_requested;
1642 }
1643
1644 ShutdownCause qemu_reset_requested_get(void)
1645 {
1646 return reset_requested;
1647 }
1648
1649 static int qemu_shutdown_requested(void)
1650 {
1651 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1652 }
1653
1654 static void qemu_kill_report(void)
1655 {
1656 if (!qtest_driver() && shutdown_signal) {
1657 if (shutdown_pid == 0) {
1658 /* This happens for eg ^C at the terminal, so it's worth
1659 * avoiding printing an odd message in that case.
1660 */
1661 error_report("terminating on signal %d", shutdown_signal);
1662 } else {
1663 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1664
1665 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1666 shutdown_signal, shutdown_pid,
1667 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1668 g_free(shutdown_cmd);
1669 }
1670 shutdown_signal = 0;
1671 }
1672 }
1673
1674 static ShutdownCause qemu_reset_requested(void)
1675 {
1676 ShutdownCause r = reset_requested;
1677
1678 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1679 reset_requested = SHUTDOWN_CAUSE_NONE;
1680 return r;
1681 }
1682 return SHUTDOWN_CAUSE_NONE;
1683 }
1684
1685 static int qemu_suspend_requested(void)
1686 {
1687 int r = suspend_requested;
1688 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1689 suspend_requested = 0;
1690 return r;
1691 }
1692 return false;
1693 }
1694
1695 static WakeupReason qemu_wakeup_requested(void)
1696 {
1697 return wakeup_reason;
1698 }
1699
1700 static int qemu_powerdown_requested(void)
1701 {
1702 int r = powerdown_requested;
1703 powerdown_requested = 0;
1704 return r;
1705 }
1706
1707 static int qemu_debug_requested(void)
1708 {
1709 int r = debug_requested;
1710 debug_requested = 0;
1711 return r;
1712 }
1713
1714 /*
1715 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1716 */
1717 void qemu_system_reset(ShutdownCause reason)
1718 {
1719 MachineClass *mc;
1720
1721 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1722
1723 cpu_synchronize_all_states();
1724
1725 if (mc && mc->reset) {
1726 mc->reset();
1727 } else {
1728 qemu_devices_reset();
1729 }
1730 if (reason) {
1731 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1732 &error_abort);
1733 }
1734 cpu_synchronize_all_post_reset();
1735 }
1736
1737 void qemu_system_guest_panicked(GuestPanicInformation *info)
1738 {
1739 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1740
1741 if (current_cpu) {
1742 current_cpu->crash_occurred = true;
1743 }
1744 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1745 !!info, info, &error_abort);
1746 vm_stop(RUN_STATE_GUEST_PANICKED);
1747 if (!no_shutdown) {
1748 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1749 !!info, info, &error_abort);
1750 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1751 }
1752
1753 if (info) {
1754 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1755 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1756 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1757 info->u.hyper_v.arg1,
1758 info->u.hyper_v.arg2,
1759 info->u.hyper_v.arg3,
1760 info->u.hyper_v.arg4,
1761 info->u.hyper_v.arg5);
1762 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1763 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1764 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1765 info->u.s390.core,
1766 S390CrashReason_str(info->u.s390.reason),
1767 info->u.s390.psw_mask,
1768 info->u.s390.psw_addr);
1769 }
1770 qapi_free_GuestPanicInformation(info);
1771 }
1772 }
1773
1774 void qemu_system_reset_request(ShutdownCause reason)
1775 {
1776 if (no_reboot) {
1777 shutdown_requested = reason;
1778 } else {
1779 reset_requested = reason;
1780 }
1781 cpu_stop_current();
1782 qemu_notify_event();
1783 }
1784
1785 static void qemu_system_suspend(void)
1786 {
1787 pause_all_vcpus();
1788 notifier_list_notify(&suspend_notifiers, NULL);
1789 runstate_set(RUN_STATE_SUSPENDED);
1790 qapi_event_send_suspend(&error_abort);
1791 }
1792
1793 void qemu_system_suspend_request(void)
1794 {
1795 if (runstate_check(RUN_STATE_SUSPENDED)) {
1796 return;
1797 }
1798 suspend_requested = 1;
1799 cpu_stop_current();
1800 qemu_notify_event();
1801 }
1802
1803 void qemu_register_suspend_notifier(Notifier *notifier)
1804 {
1805 notifier_list_add(&suspend_notifiers, notifier);
1806 }
1807
1808 void qemu_system_wakeup_request(WakeupReason reason)
1809 {
1810 trace_system_wakeup_request(reason);
1811
1812 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1813 return;
1814 }
1815 if (!(wakeup_reason_mask & (1 << reason))) {
1816 return;
1817 }
1818 runstate_set(RUN_STATE_RUNNING);
1819 wakeup_reason = reason;
1820 qemu_notify_event();
1821 }
1822
1823 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1824 {
1825 if (enabled) {
1826 wakeup_reason_mask |= (1 << reason);
1827 } else {
1828 wakeup_reason_mask &= ~(1 << reason);
1829 }
1830 }
1831
1832 void qemu_register_wakeup_notifier(Notifier *notifier)
1833 {
1834 notifier_list_add(&wakeup_notifiers, notifier);
1835 }
1836
1837 void qemu_system_killed(int signal, pid_t pid)
1838 {
1839 shutdown_signal = signal;
1840 shutdown_pid = pid;
1841 no_shutdown = 0;
1842
1843 /* Cannot call qemu_system_shutdown_request directly because
1844 * we are in a signal handler.
1845 */
1846 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1847 qemu_notify_event();
1848 }
1849
1850 void qemu_system_shutdown_request(ShutdownCause reason)
1851 {
1852 trace_qemu_system_shutdown_request(reason);
1853 replay_shutdown_request(reason);
1854 shutdown_requested = reason;
1855 qemu_notify_event();
1856 }
1857
1858 static void qemu_system_powerdown(void)
1859 {
1860 qapi_event_send_powerdown(&error_abort);
1861 notifier_list_notify(&powerdown_notifiers, NULL);
1862 }
1863
1864 void qemu_system_powerdown_request(void)
1865 {
1866 trace_qemu_system_powerdown_request();
1867 powerdown_requested = 1;
1868 qemu_notify_event();
1869 }
1870
1871 void qemu_register_powerdown_notifier(Notifier *notifier)
1872 {
1873 notifier_list_add(&powerdown_notifiers, notifier);
1874 }
1875
1876 void qemu_system_debug_request(void)
1877 {
1878 debug_requested = 1;
1879 qemu_notify_event();
1880 }
1881
1882 static bool main_loop_should_exit(void)
1883 {
1884 RunState r;
1885 ShutdownCause request;
1886
1887 if (qemu_debug_requested()) {
1888 vm_stop(RUN_STATE_DEBUG);
1889 }
1890 if (qemu_suspend_requested()) {
1891 qemu_system_suspend();
1892 }
1893 request = qemu_shutdown_requested();
1894 if (request) {
1895 qemu_kill_report();
1896 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1897 &error_abort);
1898 if (no_shutdown) {
1899 vm_stop(RUN_STATE_SHUTDOWN);
1900 } else {
1901 return true;
1902 }
1903 }
1904 request = qemu_reset_requested();
1905 if (request) {
1906 pause_all_vcpus();
1907 qemu_system_reset(request);
1908 resume_all_vcpus();
1909 if (!runstate_check(RUN_STATE_RUNNING) &&
1910 !runstate_check(RUN_STATE_INMIGRATE)) {
1911 runstate_set(RUN_STATE_PRELAUNCH);
1912 }
1913 }
1914 if (qemu_wakeup_requested()) {
1915 pause_all_vcpus();
1916 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1917 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1918 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1919 resume_all_vcpus();
1920 qapi_event_send_wakeup(&error_abort);
1921 }
1922 if (qemu_powerdown_requested()) {
1923 qemu_system_powerdown();
1924 }
1925 if (qemu_vmstop_requested(&r)) {
1926 vm_stop(r);
1927 }
1928 return false;
1929 }
1930
1931 static void main_loop(void)
1932 {
1933 #ifdef CONFIG_PROFILER
1934 int64_t ti;
1935 #endif
1936 do {
1937 #ifdef CONFIG_PROFILER
1938 ti = profile_getclock();
1939 #endif
1940 main_loop_wait(false);
1941 #ifdef CONFIG_PROFILER
1942 dev_time += profile_getclock() - ti;
1943 #endif
1944 } while (!main_loop_should_exit());
1945 }
1946
1947 static void version(void)
1948 {
1949 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1950 QEMU_COPYRIGHT "\n");
1951 }
1952
1953 static void help(int exitcode)
1954 {
1955 version();
1956 printf("usage: %s [options] [disk_image]\n\n"
1957 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1958 error_get_progname());
1959
1960 #define QEMU_OPTIONS_GENERATE_HELP
1961 #include "qemu-options-wrapper.h"
1962
1963 printf("\nDuring emulation, the following keys are useful:\n"
1964 "ctrl-alt-f toggle full screen\n"
1965 "ctrl-alt-n switch to virtual console 'n'\n"
1966 "ctrl-alt toggle mouse and keyboard grab\n"
1967 "\n"
1968 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1969 "\n"
1970 QEMU_HELP_BOTTOM "\n");
1971
1972 exit(exitcode);
1973 }
1974
1975 #define HAS_ARG 0x0001
1976
1977 typedef struct QEMUOption {
1978 const char *name;
1979 int flags;
1980 int index;
1981 uint32_t arch_mask;
1982 } QEMUOption;
1983
1984 static const QEMUOption qemu_options[] = {
1985 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1986 #define QEMU_OPTIONS_GENERATE_OPTIONS
1987 #include "qemu-options-wrapper.h"
1988 { NULL },
1989 };
1990
1991 typedef struct VGAInterfaceInfo {
1992 const char *opt_name; /* option name */
1993 const char *name; /* human-readable name */
1994 /* Class names indicating that support is available.
1995 * If no class is specified, the interface is always available */
1996 const char *class_names[2];
1997 } VGAInterfaceInfo;
1998
1999 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2000 [VGA_NONE] = {
2001 .opt_name = "none",
2002 },
2003 [VGA_STD] = {
2004 .opt_name = "std",
2005 .name = "standard VGA",
2006 .class_names = { "VGA", "isa-vga" },
2007 },
2008 [VGA_CIRRUS] = {
2009 .opt_name = "cirrus",
2010 .name = "Cirrus VGA",
2011 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2012 },
2013 [VGA_VMWARE] = {
2014 .opt_name = "vmware",
2015 .name = "VMWare SVGA",
2016 .class_names = { "vmware-svga" },
2017 },
2018 [VGA_VIRTIO] = {
2019 .opt_name = "virtio",
2020 .name = "Virtio VGA",
2021 .class_names = { "virtio-vga" },
2022 },
2023 [VGA_QXL] = {
2024 .opt_name = "qxl",
2025 .name = "QXL VGA",
2026 .class_names = { "qxl-vga" },
2027 },
2028 [VGA_TCX] = {
2029 .opt_name = "tcx",
2030 .name = "TCX framebuffer",
2031 .class_names = { "SUNW,tcx" },
2032 },
2033 [VGA_CG3] = {
2034 .opt_name = "cg3",
2035 .name = "CG3 framebuffer",
2036 .class_names = { "cgthree" },
2037 },
2038 [VGA_XENFB] = {
2039 .opt_name = "xenfb",
2040 },
2041 };
2042
2043 static bool vga_interface_available(VGAInterfaceType t)
2044 {
2045 VGAInterfaceInfo *ti = &vga_interfaces[t];
2046
2047 assert(t < VGA_TYPE_MAX);
2048 return !ti->class_names[0] ||
2049 object_class_by_name(ti->class_names[0]) ||
2050 object_class_by_name(ti->class_names[1]);
2051 }
2052
2053 static void select_vgahw(const char *p)
2054 {
2055 const char *opts;
2056 int t;
2057
2058 assert(vga_interface_type == VGA_NONE);
2059 for (t = 0; t < VGA_TYPE_MAX; t++) {
2060 VGAInterfaceInfo *ti = &vga_interfaces[t];
2061 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2062 if (!vga_interface_available(t)) {
2063 error_report("%s not available", ti->name);
2064 exit(1);
2065 }
2066 vga_interface_type = t;
2067 break;
2068 }
2069 }
2070 if (t == VGA_TYPE_MAX) {
2071 invalid_vga:
2072 error_report("unknown vga type: %s", p);
2073 exit(1);
2074 }
2075 while (*opts) {
2076 const char *nextopt;
2077
2078 if (strstart(opts, ",retrace=", &nextopt)) {
2079 opts = nextopt;
2080 if (strstart(opts, "dumb", &nextopt))
2081 vga_retrace_method = VGA_RETRACE_DUMB;
2082 else if (strstart(opts, "precise", &nextopt))
2083 vga_retrace_method = VGA_RETRACE_PRECISE;
2084 else goto invalid_vga;
2085 } else goto invalid_vga;
2086 opts = nextopt;
2087 }
2088 }
2089
2090 static void parse_display(const char *p)
2091 {
2092 const char *opts;
2093
2094 if (strstart(p, "sdl", &opts)) {
2095 dpy.type = DISPLAY_TYPE_SDL;
2096 while (*opts) {
2097 const char *nextopt;
2098
2099 if (strstart(opts, ",frame=", &nextopt)) {
2100 g_printerr("The frame= sdl option is deprecated, and will be\n"
2101 "removed in a future release.\n");
2102 opts = nextopt;
2103 if (strstart(opts, "on", &nextopt)) {
2104 no_frame = 0;
2105 } else if (strstart(opts, "off", &nextopt)) {
2106 no_frame = 1;
2107 } else {
2108 goto invalid_sdl_args;
2109 }
2110 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2111 opts = nextopt;
2112 if (strstart(opts, "on", &nextopt)) {
2113 alt_grab = 1;
2114 } else if (strstart(opts, "off", &nextopt)) {
2115 alt_grab = 0;
2116 } else {
2117 goto invalid_sdl_args;
2118 }
2119 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2120 opts = nextopt;
2121 if (strstart(opts, "on", &nextopt)) {
2122 ctrl_grab = 1;
2123 } else if (strstart(opts, "off", &nextopt)) {
2124 ctrl_grab = 0;
2125 } else {
2126 goto invalid_sdl_args;
2127 }
2128 } else if (strstart(opts, ",window_close=", &nextopt)) {
2129 opts = nextopt;
2130 dpy.has_window_close = true;
2131 if (strstart(opts, "on", &nextopt)) {
2132 dpy.window_close = true;
2133 } else if (strstart(opts, "off", &nextopt)) {
2134 dpy.window_close = false;
2135 } else {
2136 goto invalid_sdl_args;
2137 }
2138 } else if (strstart(opts, ",gl=", &nextopt)) {
2139 opts = nextopt;
2140 dpy.has_gl = true;
2141 if (strstart(opts, "on", &nextopt)) {
2142 dpy.gl = true;
2143 } else if (strstart(opts, "off", &nextopt)) {
2144 dpy.gl = false;
2145 } else {
2146 goto invalid_sdl_args;
2147 }
2148 } else {
2149 invalid_sdl_args:
2150 error_report("invalid SDL option string");
2151 exit(1);
2152 }
2153 opts = nextopt;
2154 }
2155 } else if (strstart(p, "vnc", &opts)) {
2156 if (*opts == '=') {
2157 vnc_parse(opts + 1, &error_fatal);
2158 } else {
2159 error_report("VNC requires a display argument vnc=<display>");
2160 exit(1);
2161 }
2162 } else if (strstart(p, "egl-headless", &opts)) {
2163 #ifdef CONFIG_OPENGL_DMABUF
2164 display_opengl = 1;
2165 dpy.type = DISPLAY_TYPE_EGL_HEADLESS;
2166 #else
2167 error_report("egl support is disabled");
2168 exit(1);
2169 #endif
2170 } else if (strstart(p, "curses", &opts)) {
2171 #ifdef CONFIG_CURSES
2172 dpy.type = DISPLAY_TYPE_CURSES;
2173 #else
2174 error_report("curses support is disabled");
2175 exit(1);
2176 #endif
2177 } else if (strstart(p, "gtk", &opts)) {
2178 dpy.type = DISPLAY_TYPE_GTK;
2179 while (*opts) {
2180 const char *nextopt;
2181
2182 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2183 opts = nextopt;
2184 dpy.u.gtk.has_grab_on_hover = true;
2185 if (strstart(opts, "on", &nextopt)) {
2186 dpy.u.gtk.grab_on_hover = true;
2187 } else if (strstart(opts, "off", &nextopt)) {
2188 dpy.u.gtk.grab_on_hover = false;
2189 } else {
2190 goto invalid_gtk_args;
2191 }
2192 } else if (strstart(opts, ",gl=", &nextopt)) {
2193 opts = nextopt;
2194 dpy.has_gl = true;
2195 if (strstart(opts, "on", &nextopt)) {
2196 dpy.gl = true;
2197 } else if (strstart(opts, "off", &nextopt)) {
2198 dpy.gl = false;
2199 } else {
2200 goto invalid_gtk_args;
2201 }
2202 } else {
2203 invalid_gtk_args:
2204 error_report("invalid GTK option string");
2205 exit(1);
2206 }
2207 opts = nextopt;
2208 }
2209 } else if (strstart(p, "none", &opts)) {
2210 dpy.type = DISPLAY_TYPE_NONE;
2211 } else {
2212 error_report("unknown display type");
2213 exit(1);
2214 }
2215 }
2216
2217 static int balloon_parse(const char *arg)
2218 {
2219 QemuOpts *opts;
2220
2221 if (strcmp(arg, "none") == 0) {
2222 return 0;
2223 }
2224
2225 if (!strncmp(arg, "virtio", 6)) {
2226 if (arg[6] == ',') {
2227 /* have params -> parse them */
2228 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2229 false);
2230 if (!opts)
2231 return -1;
2232 } else {
2233 /* create empty opts */
2234 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2235 &error_abort);
2236 }
2237 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2238 return 0;
2239 }
2240
2241 return -1;
2242 }
2243
2244 char *qemu_find_file(int type, const char *name)
2245 {
2246 int i;
2247 const char *subdir;
2248 char *buf;
2249
2250 /* Try the name as a straight path first */
2251 if (access(name, R_OK) == 0) {
2252 trace_load_file(name, name);
2253 return g_strdup(name);
2254 }
2255
2256 switch (type) {
2257 case QEMU_FILE_TYPE_BIOS:
2258 subdir = "";
2259 break;
2260 case QEMU_FILE_TYPE_KEYMAP:
2261 subdir = "keymaps/";
2262 break;
2263 default:
2264 abort();
2265 }
2266
2267 for (i = 0; i < data_dir_idx; i++) {
2268 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2269 if (access(buf, R_OK) == 0) {
2270 trace_load_file(name, buf);
2271 return buf;
2272 }
2273 g_free(buf);
2274 }
2275 return NULL;
2276 }
2277
2278 static void qemu_add_data_dir(const char *path)
2279 {
2280 int i;
2281
2282 if (path == NULL) {
2283 return;
2284 }
2285 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2286 return;
2287 }
2288 for (i = 0; i < data_dir_idx; i++) {
2289 if (strcmp(data_dir[i], path) == 0) {
2290 return; /* duplicate */
2291 }
2292 }
2293 data_dir[data_dir_idx++] = g_strdup(path);
2294 }
2295
2296 static inline bool nonempty_str(const char *str)
2297 {
2298 return str && *str;
2299 }
2300
2301 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2302 {
2303 gchar *buf;
2304 size_t size;
2305 const char *name, *file, *str;
2306 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2307
2308 if (fw_cfg == NULL) {
2309 error_report("fw_cfg device not available");
2310 return -1;
2311 }
2312 name = qemu_opt_get(opts, "name");
2313 file = qemu_opt_get(opts, "file");
2314 str = qemu_opt_get(opts, "string");
2315
2316 /* we need name and either a file or the content string */
2317 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2318 error_report("invalid argument(s)");
2319 return -1;
2320 }
2321 if (nonempty_str(file) && nonempty_str(str)) {
2322 error_report("file and string are mutually exclusive");
2323 return -1;
2324 }
2325 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2326 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2327 return -1;
2328 }
2329 if (strncmp(name, "opt/", 4) != 0) {
2330 warn_report("externally provided fw_cfg item names "
2331 "should be prefixed with \"opt/\"");
2332 }
2333 if (nonempty_str(str)) {
2334 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2335 buf = g_memdup(str, size);
2336 } else {
2337 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2338 error_report("can't load %s", file);
2339 return -1;
2340 }
2341 }
2342 /* For legacy, keep user files in a specific global order. */
2343 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2344 fw_cfg_add_file(fw_cfg, name, buf, size);
2345 fw_cfg_reset_order_override(fw_cfg);
2346 return 0;
2347 }
2348
2349 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2350 {
2351 return qdev_device_help(opts);
2352 }
2353
2354 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2355 {
2356 Error *err = NULL;
2357 DeviceState *dev;
2358
2359 dev = qdev_device_add(opts, &err);
2360 if (!dev) {
2361 error_report_err(err);
2362 return -1;
2363 }
2364 object_unref(OBJECT(dev));
2365 return 0;
2366 }
2367
2368 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2369 {
2370 Error *local_err = NULL;
2371
2372 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2373 if (local_err) {
2374 error_report_err(local_err);
2375 return -1;
2376 }
2377 exit(0);
2378 }
2379 return 0;
2380 }
2381
2382 #ifdef CONFIG_VIRTFS
2383 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2384 {
2385 return qemu_fsdev_add(opts);
2386 }
2387 #endif
2388
2389 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2390 {
2391 Chardev *chr;
2392 const char *chardev;
2393 const char *mode;
2394 int flags;
2395
2396 mode = qemu_opt_get(opts, "mode");
2397 if (mode == NULL) {
2398 mode = "readline";
2399 }
2400 if (strcmp(mode, "readline") == 0) {
2401 flags = MONITOR_USE_READLINE;
2402 } else if (strcmp(mode, "control") == 0) {
2403 flags = MONITOR_USE_CONTROL;
2404 } else {
2405 error_report("unknown monitor mode \"%s\"", mode);
2406 exit(1);
2407 }
2408
2409 if (qemu_opt_get_bool(opts, "pretty", 0))
2410 flags |= MONITOR_USE_PRETTY;
2411
2412 chardev = qemu_opt_get(opts, "chardev");
2413 chr = qemu_chr_find(chardev);
2414 if (chr == NULL) {
2415 error_report("chardev \"%s\" not found", chardev);
2416 exit(1);
2417 }
2418
2419 monitor_init(chr, flags);
2420 return 0;
2421 }
2422
2423 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2424 {
2425 static int monitor_device_index = 0;
2426 QemuOpts *opts;
2427 const char *p;
2428 char label[32];
2429
2430 if (strstart(optarg, "chardev:", &p)) {
2431 snprintf(label, sizeof(label), "%s", p);
2432 } else {
2433 snprintf(label, sizeof(label), "compat_monitor%d",
2434 monitor_device_index);
2435 opts = qemu_chr_parse_compat(label, optarg);
2436 if (!opts) {
2437 error_report("parse error: %s", optarg);
2438 exit(1);
2439 }
2440 }
2441
2442 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2443 qemu_opt_set(opts, "mode", mode, &error_abort);
2444 qemu_opt_set(opts, "chardev", label, &error_abort);
2445 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2446 monitor_device_index++;
2447 }
2448
2449 struct device_config {
2450 enum {
2451 DEV_USB, /* -usbdevice */
2452 DEV_BT, /* -bt */
2453 DEV_SERIAL, /* -serial */
2454 DEV_PARALLEL, /* -parallel */
2455 DEV_VIRTCON, /* -virtioconsole */
2456 DEV_DEBUGCON, /* -debugcon */
2457 DEV_GDB, /* -gdb, -s */
2458 DEV_SCLP, /* s390 sclp */
2459 } type;
2460 const char *cmdline;
2461 Location loc;
2462 QTAILQ_ENTRY(device_config) next;
2463 };
2464
2465 static QTAILQ_HEAD(, device_config) device_configs =
2466 QTAILQ_HEAD_INITIALIZER(device_configs);
2467
2468 static void add_device_config(int type, const char *cmdline)
2469 {
2470 struct device_config *conf;
2471
2472 conf = g_malloc0(sizeof(*conf));
2473 conf->type = type;
2474 conf->cmdline = cmdline;
2475 loc_save(&conf->loc);
2476 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2477 }
2478
2479 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2480 {
2481 struct device_config *conf;
2482 int rc;
2483
2484 QTAILQ_FOREACH(conf, &device_configs, next) {
2485 if (conf->type != type)
2486 continue;
2487 loc_push_restore(&conf->loc);
2488 rc = func(conf->cmdline);
2489 loc_pop(&conf->loc);
2490 if (rc) {
2491 return rc;
2492 }
2493 }
2494 return 0;
2495 }
2496
2497 static int serial_parse(const char *devname)
2498 {
2499 static int index = 0;
2500 char label[32];
2501
2502 if (strcmp(devname, "none") == 0)
2503 return 0;
2504 if (index == MAX_SERIAL_PORTS) {
2505 error_report("too many serial ports");
2506 exit(1);
2507 }
2508 snprintf(label, sizeof(label), "serial%d", index);
2509 serial_hds[index] = qemu_chr_new(label, devname);
2510 if (!serial_hds[index]) {
2511 error_report("could not connect serial device"
2512 " to character backend '%s'", devname);
2513 return -1;
2514 }
2515 index++;
2516 return 0;
2517 }
2518
2519 static int parallel_parse(const char *devname)
2520 {
2521 static int index = 0;
2522 char label[32];
2523
2524 if (strcmp(devname, "none") == 0)
2525 return 0;
2526 if (index == MAX_PARALLEL_PORTS) {
2527 error_report("too many parallel ports");
2528 exit(1);
2529 }
2530 snprintf(label, sizeof(label), "parallel%d", index);
2531 parallel_hds[index] = qemu_chr_new(label, devname);
2532 if (!parallel_hds[index]) {
2533 error_report("could not connect parallel device"
2534 " to character backend '%s'", devname);
2535 return -1;
2536 }
2537 index++;
2538 return 0;
2539 }
2540
2541 static int virtcon_parse(const char *devname)
2542 {
2543 QemuOptsList *device = qemu_find_opts("device");
2544 static int index = 0;
2545 char label[32];
2546 QemuOpts *bus_opts, *dev_opts;
2547
2548 if (strcmp(devname, "none") == 0)
2549 return 0;
2550 if (index == MAX_VIRTIO_CONSOLES) {
2551 error_report("too many virtio consoles");
2552 exit(1);
2553 }
2554
2555 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2556 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2557
2558 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2559 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2560
2561 snprintf(label, sizeof(label), "virtcon%d", index);
2562 virtcon_hds[index] = qemu_chr_new(label, devname);
2563 if (!virtcon_hds[index]) {
2564 error_report("could not connect virtio console"
2565 " to character backend '%s'", devname);
2566 return -1;
2567 }
2568 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2569
2570 index++;
2571 return 0;
2572 }
2573
2574 static int sclp_parse(const char *devname)
2575 {
2576 QemuOptsList *device = qemu_find_opts("device");
2577 static int index = 0;
2578 char label[32];
2579 QemuOpts *dev_opts;
2580
2581 if (strcmp(devname, "none") == 0) {
2582 return 0;
2583 }
2584 if (index == MAX_SCLP_CONSOLES) {
2585 error_report("too many sclp consoles");
2586 exit(1);
2587 }
2588
2589 assert(arch_type == QEMU_ARCH_S390X);
2590
2591 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2592 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2593
2594 snprintf(label, sizeof(label), "sclpcon%d", index);
2595 sclp_hds[index] = qemu_chr_new(label, devname);
2596 if (!sclp_hds[index]) {
2597 error_report("could not connect sclp console"
2598 " to character backend '%s'", devname);
2599 return -1;
2600 }
2601 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2602
2603 index++;
2604 return 0;
2605 }
2606
2607 static int debugcon_parse(const char *devname)
2608 {
2609 QemuOpts *opts;
2610
2611 if (!qemu_chr_new("debugcon", devname)) {
2612 exit(1);
2613 }
2614 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2615 if (!opts) {
2616 error_report("already have a debugcon device");
2617 exit(1);
2618 }
2619 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2620 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2621 return 0;
2622 }
2623
2624 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2625 {
2626 const MachineClass *mc1 = a, *mc2 = b;
2627 int res;
2628
2629 if (mc1->family == NULL) {
2630 if (mc2->family == NULL) {
2631 /* Compare standalone machine types against each other; they sort
2632 * in increasing order.
2633 */
2634 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2635 object_class_get_name(OBJECT_CLASS(mc2)));
2636 }
2637
2638 /* Standalone machine types sort after families. */
2639 return 1;
2640 }
2641
2642 if (mc2->family == NULL) {
2643 /* Families sort before standalone machine types. */
2644 return -1;
2645 }
2646
2647 /* Families sort between each other alphabetically increasingly. */
2648 res = strcmp(mc1->family, mc2->family);
2649 if (res != 0) {
2650 return res;
2651 }
2652
2653 /* Within the same family, machine types sort in decreasing order. */
2654 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2655 object_class_get_name(OBJECT_CLASS(mc1)));
2656 }
2657
2658 static MachineClass *machine_parse(const char *name)
2659 {
2660 MachineClass *mc = NULL;
2661 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2662
2663 if (name) {
2664 mc = find_machine(name);
2665 }
2666 if (mc) {
2667 g_slist_free(machines);
2668 return mc;
2669 }
2670 if (name && !is_help_option(name)) {
2671 error_report("unsupported machine type");
2672 error_printf("Use -machine help to list supported machines\n");
2673 } else {
2674 printf("Supported machines are:\n");
2675 machines = g_slist_sort(machines, machine_class_cmp);
2676 for (el = machines; el; el = el->next) {
2677 MachineClass *mc = el->data;
2678 if (mc->alias) {
2679 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2680 }
2681 printf("%-20s %s%s\n", mc->name, mc->desc,
2682 mc->is_default ? " (default)" : "");
2683 }
2684 }
2685
2686 g_slist_free(machines);
2687 exit(!name || !is_help_option(name));
2688 }
2689
2690 void qemu_add_exit_notifier(Notifier *notify)
2691 {
2692 notifier_list_add(&exit_notifiers, notify);
2693 }
2694
2695 void qemu_remove_exit_notifier(Notifier *notify)
2696 {
2697 notifier_remove(notify);
2698 }
2699
2700 static void qemu_run_exit_notifiers(void)
2701 {
2702 notifier_list_notify(&exit_notifiers, NULL);
2703 }
2704
2705 static bool machine_init_done;
2706
2707 void qemu_add_machine_init_done_notifier(Notifier *notify)
2708 {
2709 notifier_list_add(&machine_init_done_notifiers, notify);
2710 if (machine_init_done) {
2711 notify->notify(notify, NULL);
2712 }
2713 }
2714
2715 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2716 {
2717 notifier_remove(notify);
2718 }
2719
2720 static void qemu_run_machine_init_done_notifiers(void)
2721 {
2722 notifier_list_notify(&machine_init_done_notifiers, NULL);
2723 machine_init_done = true;
2724 }
2725
2726 static const QEMUOption *lookup_opt(int argc, char **argv,
2727 const char **poptarg, int *poptind)
2728 {
2729 const QEMUOption *popt;
2730 int optind = *poptind;
2731 char *r = argv[optind];
2732 const char *optarg;
2733
2734 loc_set_cmdline(argv, optind, 1);
2735 optind++;
2736 /* Treat --foo the same as -foo. */
2737 if (r[1] == '-')
2738 r++;
2739 popt = qemu_options;
2740 for(;;) {
2741 if (!popt->name) {
2742 error_report("invalid option");
2743 exit(1);
2744 }
2745 if (!strcmp(popt->name, r + 1))
2746 break;
2747 popt++;
2748 }
2749 if (popt->flags & HAS_ARG) {
2750 if (optind >= argc) {
2751 error_report("requires an argument");
2752 exit(1);
2753 }
2754 optarg = argv[optind++];
2755 loc_set_cmdline(argv, optind - 2, 2);
2756 } else {
2757 optarg = NULL;
2758 }
2759
2760 *poptarg = optarg;
2761 *poptind = optind;
2762
2763 return popt;
2764 }
2765
2766 static MachineClass *select_machine(void)
2767 {
2768 MachineClass *machine_class = find_default_machine();
2769 const char *optarg;
2770 QemuOpts *opts;
2771 Location loc;
2772
2773 loc_push_none(&loc);
2774
2775 opts = qemu_get_machine_opts();
2776 qemu_opts_loc_restore(opts);
2777
2778 optarg = qemu_opt_get(opts, "type");
2779 if (optarg) {
2780 machine_class = machine_parse(optarg);
2781 }
2782
2783 if (!machine_class) {
2784 error_report("No machine specified, and there is no default");
2785 error_printf("Use -machine help to list supported machines\n");
2786 exit(1);
2787 }
2788
2789 loc_pop(&loc);
2790 return machine_class;
2791 }
2792
2793 static int machine_set_property(void *opaque,
2794 const char *name, const char *value,
2795 Error **errp)
2796 {
2797 Object *obj = OBJECT(opaque);
2798 Error *local_err = NULL;
2799 char *p, *qom_name;
2800
2801 if (strcmp(name, "type") == 0) {
2802 return 0;
2803 }
2804
2805 qom_name = g_strdup(name);
2806 for (p = qom_name; *p; p++) {
2807 if (*p == '_') {
2808 *p = '-';
2809 }
2810 }
2811
2812 object_property_parse(obj, value, qom_name, &local_err);
2813 g_free(qom_name);
2814
2815 if (local_err) {
2816 error_report_err(local_err);
2817 return -1;
2818 }
2819
2820 return 0;
2821 }
2822
2823
2824 /*
2825 * Initial object creation happens before all other
2826 * QEMU data types are created. The majority of objects
2827 * can be created at this point. The rng-egd object
2828 * cannot be created here, as it depends on the chardev
2829 * already existing.
2830 */
2831 static bool object_create_initial(const char *type)
2832 {
2833 if (g_str_equal(type, "rng-egd") ||
2834 g_str_has_prefix(type, "pr-manager-")) {
2835 return false;
2836 }
2837
2838 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2839 if (g_str_equal(type, "cryptodev-vhost-user")) {
2840 return false;
2841 }
2842 #endif
2843
2844 /*
2845 * return false for concrete netfilters since
2846 * they depend on netdevs already existing
2847 */
2848 if (g_str_equal(type, "filter-buffer") ||
2849 g_str_equal(type, "filter-dump") ||
2850 g_str_equal(type, "filter-mirror") ||
2851 g_str_equal(type, "filter-redirector") ||
2852 g_str_equal(type, "colo-compare") ||
2853 g_str_equal(type, "filter-rewriter") ||
2854 g_str_equal(type, "filter-replay")) {
2855 return false;
2856 }
2857
2858 /* Memory allocation by backends needs to be done
2859 * after configure_accelerator() (due to the tcg_enabled()
2860 * checks at memory_region_init_*()).
2861 *
2862 * Also, allocation of large amounts of memory may delay
2863 * chardev initialization for too long, and trigger timeouts
2864 * on software that waits for a monitor socket to be created
2865 * (e.g. libvirt).
2866 */
2867 if (g_str_has_prefix(type, "memory-backend-")) {
2868 return false;
2869 }
2870
2871 return true;
2872 }
2873
2874
2875 /*
2876 * The remainder of object creation happens after the
2877 * creation of chardev, fsdev, net clients and device data types.
2878 */
2879 static bool object_create_delayed(const char *type)
2880 {
2881 return !object_create_initial(type);
2882 }
2883
2884
2885 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2886 MachineClass *mc)
2887 {
2888 uint64_t sz;
2889 const char *mem_str;
2890 const char *maxmem_str, *slots_str;
2891 const ram_addr_t default_ram_size = mc->default_ram_size;
2892 QemuOpts *opts = qemu_find_opts_singleton("memory");
2893 Location loc;
2894
2895 loc_push_none(&loc);
2896 qemu_opts_loc_restore(opts);
2897
2898 sz = 0;
2899 mem_str = qemu_opt_get(opts, "size");
2900 if (mem_str) {
2901 if (!*mem_str) {
2902 error_report("missing 'size' option value");
2903 exit(EXIT_FAILURE);
2904 }
2905
2906 sz = qemu_opt_get_size(opts, "size", ram_size);
2907
2908 /* Fix up legacy suffix-less format */
2909 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2910 uint64_t overflow_check = sz;
2911
2912 sz <<= 20;
2913 if ((sz >> 20) != overflow_check) {
2914 error_report("too large 'size' option value");
2915 exit(EXIT_FAILURE);
2916 }
2917 }
2918 }
2919
2920 /* backward compatibility behaviour for case "-m 0" */
2921 if (sz == 0) {
2922 sz = default_ram_size;
2923 }
2924
2925 sz = QEMU_ALIGN_UP(sz, 8192);
2926 ram_size = sz;
2927 if (ram_size != sz) {
2928 error_report("ram size too large");
2929 exit(EXIT_FAILURE);
2930 }
2931
2932 /* store value for the future use */
2933 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2934 *maxram_size = ram_size;
2935
2936 maxmem_str = qemu_opt_get(opts, "maxmem");
2937 slots_str = qemu_opt_get(opts, "slots");
2938 if (maxmem_str && slots_str) {
2939 uint64_t slots;
2940
2941 sz = qemu_opt_get_size(opts, "maxmem", 0);
2942 slots = qemu_opt_get_number(opts, "slots", 0);
2943 if (sz < ram_size) {
2944 error_report("invalid value of -m option maxmem: "
2945 "maximum memory size (0x%" PRIx64 ") must be at least "
2946 "the initial memory size (0x" RAM_ADDR_FMT ")",
2947 sz, ram_size);
2948 exit(EXIT_FAILURE);
2949 } else if (sz > ram_size) {
2950 if (!slots) {
2951 error_report("invalid value of -m option: maxmem was "
2952 "specified, but no hotplug slots were specified");
2953 exit(EXIT_FAILURE);
2954 }
2955 } else if (slots) {
2956 error_report("invalid value of -m option maxmem: "
2957 "memory slots were specified but maximum memory size "
2958 "(0x%" PRIx64 ") is equal to the initial memory size "
2959 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2960 exit(EXIT_FAILURE);
2961 }
2962
2963 *maxram_size = sz;
2964 *ram_slots = slots;
2965 } else if ((!maxmem_str && slots_str) ||
2966 (maxmem_str && !slots_str)) {
2967 error_report("invalid -m option value: missing "
2968 "'%s' option", slots_str ? "maxmem" : "slots");
2969 exit(EXIT_FAILURE);
2970 }
2971
2972 loc_pop(&loc);
2973 }
2974
2975 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2976 {
2977 GlobalProperty *g;
2978
2979 g = g_malloc0(sizeof(*g));
2980 g->driver = qemu_opt_get(opts, "driver");
2981 g->property = qemu_opt_get(opts, "property");
2982 g->value = qemu_opt_get(opts, "value");
2983 g->user_provided = true;
2984 g->errp = &error_fatal;
2985 qdev_prop_register_global(g);
2986 return 0;
2987 }
2988
2989 static int qemu_read_default_config_file(void)
2990 {
2991 int ret;
2992
2993 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2994 if (ret < 0 && ret != -ENOENT) {
2995 return ret;
2996 }
2997
2998 return 0;
2999 }
3000
3001 static void user_register_global_props(void)
3002 {
3003 qemu_opts_foreach(qemu_find_opts("global"),
3004 global_init_func, NULL, NULL);
3005 }
3006
3007 /*
3008 * Note: we should see that these properties are actually having a
3009 * priority: accel < machine < user. This means e.g. when user
3010 * specifies something in "-global", it'll always be used with highest
3011 * priority than either machine/accelerator compat properties.
3012 */
3013 static void register_global_properties(MachineState *ms)
3014 {
3015 accel_register_compat_props(ms->accelerator);
3016 machine_register_compat_props(ms);
3017 user_register_global_props();
3018 }
3019
3020 int main(int argc, char **argv, char **envp)
3021 {
3022 int i;
3023 int snapshot, linux_boot;
3024 const char *initrd_filename;
3025 const char *kernel_filename, *kernel_cmdline;
3026 const char *boot_order = NULL;
3027 const char *boot_once = NULL;
3028 DisplayState *ds;
3029 QemuOpts *opts, *machine_opts;
3030 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
3031 QemuOptsList *olist;
3032 int optind;
3033 const char *optarg;
3034 const char *loadvm = NULL;
3035 MachineClass *machine_class;
3036 const char *cpu_model;
3037 const char *vga_model = NULL;
3038 const char *qtest_chrdev = NULL;
3039 const char *qtest_log = NULL;
3040 const char *pid_file = NULL;
3041 const char *incoming = NULL;
3042 bool userconfig = true;
3043 bool nographic = false;
3044 int display_remote = 0;
3045 const char *log_mask = NULL;
3046 const char *log_file = NULL;
3047 char *trace_file = NULL;
3048 ram_addr_t maxram_size;
3049 uint64_t ram_slots = 0;
3050 FILE *vmstate_dump_file = NULL;
3051 Error *main_loop_err = NULL;
3052 Error *err = NULL;
3053 bool list_data_dirs = false;
3054 char *dir, **dirs;
3055 typedef struct BlockdevOptions_queue {
3056 BlockdevOptions *bdo;
3057 Location loc;
3058 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3059 } BlockdevOptions_queue;
3060 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3061 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3062
3063 module_call_init(MODULE_INIT_TRACE);
3064
3065 qemu_init_cpu_list();
3066 qemu_init_cpu_loop();
3067 qemu_mutex_lock_iothread();
3068
3069 atexit(qemu_run_exit_notifiers);
3070 error_set_progname(argv[0]);
3071 qemu_init_exec_dir(argv[0]);
3072
3073 module_call_init(MODULE_INIT_QOM);
3074 monitor_init_qmp_commands();
3075
3076 qemu_add_opts(&qemu_drive_opts);
3077 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3078 qemu_add_drive_opts(&qemu_common_drive_opts);
3079 qemu_add_drive_opts(&qemu_drive_opts);
3080 qemu_add_drive_opts(&bdrv_runtime_opts);
3081 qemu_add_opts(&qemu_chardev_opts);
3082 qemu_add_opts(&qemu_device_opts);
3083 qemu_add_opts(&qemu_netdev_opts);
3084 qemu_add_opts(&qemu_net_opts);
3085 qemu_add_opts(&qemu_rtc_opts);
3086 qemu_add_opts(&qemu_global_opts);
3087 qemu_add_opts(&qemu_mon_opts);
3088 qemu_add_opts(&qemu_trace_opts);
3089 qemu_add_opts(&qemu_option_rom_opts);
3090 qemu_add_opts(&qemu_machine_opts);
3091 qemu_add_opts(&qemu_accel_opts);
3092 qemu_add_opts(&qemu_mem_opts);
3093 qemu_add_opts(&qemu_smp_opts);
3094 qemu_add_opts(&qemu_boot_opts);
3095 qemu_add_opts(&qemu_sandbox_opts);
3096 qemu_add_opts(&qemu_add_fd_opts);
3097 qemu_add_opts(&qemu_object_opts);
3098 qemu_add_opts(&qemu_tpmdev_opts);
3099 qemu_add_opts(&qemu_realtime_opts);
3100 qemu_add_opts(&qemu_msg_opts);
3101 qemu_add_opts(&qemu_name_opts);
3102 qemu_add_opts(&qemu_numa_opts);
3103 qemu_add_opts(&qemu_icount_opts);
3104 qemu_add_opts(&qemu_semihosting_config_opts);
3105 qemu_add_opts(&qemu_fw_cfg_opts);
3106 module_call_init(MODULE_INIT_OPTS);
3107
3108 runstate_init();
3109
3110 if (qcrypto_init(&err) < 0) {
3111 error_reportf_err(err, "cannot initialize crypto: ");
3112 exit(1);
3113 }
3114 rtc_clock = QEMU_CLOCK_HOST;
3115
3116 QLIST_INIT (&vm_change_state_head);
3117 os_setup_early_signal_handling();
3118
3119 cpu_model = NULL;
3120 snapshot = 0;
3121
3122 nb_nics = 0;
3123
3124 bdrv_init_with_whitelist();
3125
3126 autostart = 1;
3127
3128 /* first pass of option parsing */
3129 optind = 1;
3130 while (optind < argc) {
3131 if (argv[optind][0] != '-') {
3132 /* disk image */
3133 optind++;
3134 } else {
3135 const QEMUOption *popt;
3136
3137 popt = lookup_opt(argc, argv, &optarg, &optind);
3138 switch (popt->index) {
3139 case QEMU_OPTION_nodefconfig:
3140 case QEMU_OPTION_nouserconfig:
3141 userconfig = false;
3142 break;
3143 }
3144 }
3145 }
3146
3147 if (userconfig) {
3148 if (qemu_read_default_config_file() < 0) {
3149 exit(1);
3150 }
3151 }
3152
3153 /* second pass of option parsing */
3154 optind = 1;
3155 for(;;) {
3156 if (optind >= argc)
3157 break;
3158 if (argv[optind][0] != '-') {
3159 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3160 } else {
3161 const QEMUOption *popt;
3162
3163 popt = lookup_opt(argc, argv, &optarg, &optind);
3164 if (!(popt->arch_mask & arch_type)) {
3165 error_report("Option not supported for this target");
3166 exit(1);
3167 }
3168 switch(popt->index) {
3169 case QEMU_OPTION_no_kvm_irqchip: {
3170 olist = qemu_find_opts("machine");
3171 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3172 break;
3173 }
3174 case QEMU_OPTION_cpu:
3175 /* hw initialization will check this */
3176 cpu_model = optarg;
3177 break;
3178 case QEMU_OPTION_hda:
3179 case QEMU_OPTION_hdb:
3180 case QEMU_OPTION_hdc:
3181 case QEMU_OPTION_hdd:
3182 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3183 HD_OPTS);
3184 break;
3185 case QEMU_OPTION_blockdev:
3186 {
3187 Visitor *v;
3188 BlockdevOptions_queue *bdo;
3189
3190 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3191 if (!v) {
3192 error_report_err(err);
3193 exit(1);
3194 }
3195
3196 bdo = g_new(BlockdevOptions_queue, 1);
3197 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3198 &error_fatal);
3199 visit_free(v);
3200 loc_save(&bdo->loc);
3201 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3202 break;
3203 }
3204 case QEMU_OPTION_drive:
3205 if (drive_def(optarg) == NULL) {
3206 exit(1);
3207 }
3208 break;
3209 case QEMU_OPTION_set:
3210 if (qemu_set_option(optarg) != 0)
3211 exit(1);
3212 break;
3213 case QEMU_OPTION_global:
3214 if (qemu_global_option(optarg) != 0)
3215 exit(1);
3216 break;
3217 case QEMU_OPTION_mtdblock:
3218 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3219 break;
3220 case QEMU_OPTION_sd:
3221 drive_add(IF_SD, -1, optarg, SD_OPTS);
3222 break;
3223 case QEMU_OPTION_pflash:
3224 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3225 break;
3226 case QEMU_OPTION_snapshot:
3227 snapshot = 1;
3228 break;
3229 case QEMU_OPTION_numa:
3230 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3231 optarg, true);
3232 if (!opts) {
3233 exit(1);
3234 }
3235 break;
3236 case QEMU_OPTION_display:
3237 parse_display(optarg);
3238 break;
3239 case QEMU_OPTION_nographic:
3240 olist = qemu_find_opts("machine");
3241 qemu_opts_parse_noisily(olist, "graphics=off", false);
3242 nographic = true;
3243 dpy.type = DISPLAY_TYPE_NONE;
3244 break;
3245 case QEMU_OPTION_curses:
3246 #ifdef CONFIG_CURSES
3247 dpy.type = DISPLAY_TYPE_CURSES;
3248 #else
3249 error_report("curses support is disabled");
3250 exit(1);
3251 #endif
3252 break;
3253 case QEMU_OPTION_portrait:
3254 graphic_rotate = 90;
3255 break;
3256 case QEMU_OPTION_rotate:
3257 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3258 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3259 graphic_rotate != 180 && graphic_rotate != 270) {
3260 error_report("only 90, 180, 270 deg rotation is available");
3261 exit(1);
3262 }
3263 break;
3264 case QEMU_OPTION_kernel:
3265 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3266 &error_abort);
3267 break;
3268 case QEMU_OPTION_initrd:
3269 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3270 &error_abort);
3271 break;
3272 case QEMU_OPTION_append:
3273 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3274 &error_abort);
3275 break;
3276 case QEMU_OPTION_dtb:
3277 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3278 &error_abort);
3279 break;
3280 case QEMU_OPTION_cdrom:
3281 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3282 break;
3283 case QEMU_OPTION_boot:
3284 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3285 optarg, true);
3286 if (!opts) {
3287 exit(1);
3288 }
3289 break;
3290 case QEMU_OPTION_fda:
3291 case QEMU_OPTION_fdb:
3292 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3293 optarg, FD_OPTS);
3294 break;
3295 case QEMU_OPTION_no_fd_bootchk:
3296 fd_bootchk = 0;
3297 break;
3298 case QEMU_OPTION_netdev:
3299 default_net = 0;
3300 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3301 exit(1);
3302 }
3303 break;
3304 case QEMU_OPTION_net:
3305 default_net = 0;
3306 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3307 exit(1);
3308 }
3309 break;
3310 #ifdef CONFIG_LIBISCSI
3311 case QEMU_OPTION_iscsi:
3312 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3313 optarg, false);
3314 if (!opts) {
3315 exit(1);
3316 }
3317 break;
3318 #endif
3319 #ifdef CONFIG_SLIRP
3320 case QEMU_OPTION_tftp:
3321 error_report("The -tftp option is deprecated. "
3322 "Please use '-netdev user,tftp=...' instead.");
3323 legacy_tftp_prefix = optarg;
3324 break;
3325 case QEMU_OPTION_bootp:
3326 error_report("The -bootp option is deprecated. "
3327 "Please use '-netdev user,bootfile=...' instead.");
3328 legacy_bootp_filename = optarg;
3329 break;
3330 case QEMU_OPTION_redir:
3331 error_report("The -redir option is deprecated. "
3332 "Please use '-netdev user,hostfwd=...' instead.");
3333 if (net_slirp_redir(optarg) < 0)
3334 exit(1);
3335 break;
3336 #endif
3337 case QEMU_OPTION_bt:
3338 add_device_config(DEV_BT, optarg);
3339 break;
3340 case QEMU_OPTION_audio_help:
3341 AUD_help ();
3342 exit (0);
3343 break;
3344 case QEMU_OPTION_soundhw:
3345 select_soundhw (optarg);
3346 break;
3347 case QEMU_OPTION_h:
3348 help(0);
3349 break;
3350 case QEMU_OPTION_version:
3351 version();
3352 exit(0);
3353 break;
3354 case QEMU_OPTION_m:
3355 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3356 optarg, true);
3357 if (!opts) {
3358 exit(EXIT_FAILURE);
3359 }
3360 break;
3361 #ifdef CONFIG_TPM
3362 case QEMU_OPTION_tpmdev:
3363 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3364 exit(1);
3365 }
3366 break;
3367 #endif
3368 case QEMU_OPTION_mempath:
3369 mem_path = optarg;
3370 break;
3371 case QEMU_OPTION_mem_prealloc:
3372 mem_prealloc = 1;
3373 break;
3374 case QEMU_OPTION_d:
3375 log_mask = optarg;
3376 break;
3377 case QEMU_OPTION_D:
3378 log_file = optarg;
3379 break;
3380 case QEMU_OPTION_DFILTER:
3381 qemu_set_dfilter_ranges(optarg, &error_fatal);
3382 break;
3383 case QEMU_OPTION_s:
3384 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3385 break;
3386 case QEMU_OPTION_gdb:
3387 add_device_config(DEV_GDB, optarg);
3388 break;
3389 case QEMU_OPTION_L:
3390 if (is_help_option(optarg)) {
3391 list_data_dirs = true;
3392 } else {
3393 qemu_add_data_dir(optarg);
3394 }
3395 break;
3396 case QEMU_OPTION_bios:
3397 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3398 &error_abort);
3399 break;
3400 case QEMU_OPTION_singlestep:
3401 singlestep = 1;
3402 break;
3403 case QEMU_OPTION_S:
3404 autostart = 0;
3405 break;
3406 case QEMU_OPTION_k:
3407 keyboard_layout = optarg;
3408 break;
3409 case QEMU_OPTION_localtime:
3410 rtc_utc = 0;
3411 break;
3412 case QEMU_OPTION_vga:
3413 vga_model = optarg;
3414 default_vga = 0;
3415 break;
3416 case QEMU_OPTION_g:
3417 {
3418 const char *p;
3419 int w, h, depth;
3420 p = optarg;
3421 w = strtol(p, (char **)&p, 10);
3422 if (w <= 0) {
3423 graphic_error:
3424 error_report("invalid resolution or depth");
3425 exit(1);
3426 }
3427 if (*p != 'x')
3428 goto graphic_error;
3429 p++;
3430 h = strtol(p, (char **)&p, 10);
3431 if (h <= 0)
3432 goto graphic_error;
3433 if (*p == 'x') {
3434 p++;
3435 depth = strtol(p, (char **)&p, 10);
3436 if (depth != 8 && depth != 15 && depth != 16 &&
3437 depth != 24 && depth != 32)
3438 goto graphic_error;
3439 } else if (*p == '\0') {
3440 depth = graphic_depth;
3441 } else {
3442 goto graphic_error;
3443 }
3444
3445 graphic_width = w;
3446 graphic_height = h;
3447 graphic_depth = depth;
3448 }
3449 break;
3450 case QEMU_OPTION_echr:
3451 {
3452 char *r;
3453 term_escape_char = strtol(optarg, &r, 0);
3454 if (r == optarg)
3455 printf("Bad argument to echr\n");
3456 break;
3457 }
3458 case QEMU_OPTION_monitor:
3459 default_monitor = 0;
3460 if (strncmp(optarg, "none", 4)) {
3461 monitor_parse(optarg, "readline", false);
3462 }
3463 break;
3464 case QEMU_OPTION_qmp:
3465 monitor_parse(optarg, "control", false);
3466 default_monitor = 0;
3467 break;
3468 case QEMU_OPTION_qmp_pretty:
3469 monitor_parse(optarg, "control", true);
3470 default_monitor = 0;
3471 break;
3472 case QEMU_OPTION_mon:
3473 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3474 true);
3475 if (!opts) {
3476 exit(1);
3477 }
3478 default_monitor = 0;
3479 break;
3480 case QEMU_OPTION_chardev:
3481 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3482 optarg, true);
3483 if (!opts) {
3484 exit(1);
3485 }
3486 break;
3487 case QEMU_OPTION_fsdev:
3488 olist = qemu_find_opts("fsdev");
3489 if (!olist) {
3490 error_report("fsdev support is disabled");
3491 exit(1);
3492 }
3493 opts = qemu_opts_parse_noisily(olist, optarg, true);
3494 if (!opts) {
3495 exit(1);
3496 }
3497 break;
3498 case QEMU_OPTION_virtfs: {
3499 QemuOpts *fsdev;
3500 QemuOpts *device;
3501 const char *writeout, *sock_fd, *socket, *path, *security_model;
3502
3503 olist = qemu_find_opts("virtfs");
3504 if (!olist) {
3505 error_report("virtfs support is disabled");
3506 exit(1);
3507 }
3508 opts = qemu_opts_parse_noisily(olist, optarg, true);
3509 if (!opts) {
3510 exit(1);
3511 }
3512
3513 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3514 qemu_opt_get(opts, "mount_tag") == NULL) {
3515 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3516 exit(1);
3517 }
3518 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3519 qemu_opts_id(opts) ?:
3520 qemu_opt_get(opts, "mount_tag"),
3521 1, NULL);
3522 if (!fsdev) {
3523 error_report("duplicate or invalid fsdev id: %s",
3524 qemu_opt_get(opts, "mount_tag"));
3525 exit(1);
3526 }
3527
3528 writeout = qemu_opt_get(opts, "writeout");
3529 if (writeout) {
3530 #ifdef CONFIG_SYNC_FILE_RANGE
3531 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3532 #else
3533 error_report("writeout=immediate not supported "
3534 "on this platform");
3535 exit(1);
3536 #endif
3537 }
3538 qemu_opt_set(fsdev, "fsdriver",
3539 qemu_opt_get(opts, "fsdriver"), &error_abort);
3540 path = qemu_opt_get(opts, "path");
3541 if (path) {
3542 qemu_opt_set(fsdev, "path", path, &error_abort);
3543 }
3544 security_model = qemu_opt_get(opts, "security_model");
3545 if (security_model) {
3546 qemu_opt_set(fsdev, "security_model", security_model,
3547 &error_abort);
3548 }
3549 socket = qemu_opt_get(opts, "socket");
3550 if (socket) {
3551 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3552 }
3553 sock_fd = qemu_opt_get(opts, "sock_fd");
3554 if (sock_fd) {
3555 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3556 }
3557
3558 qemu_opt_set_bool(fsdev, "readonly",
3559 qemu_opt_get_bool(opts, "readonly", 0),
3560 &error_abort);
3561 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3562 &error_abort);
3563 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3564 qemu_opt_set(device, "fsdev",
3565 qemu_opts_id(fsdev), &error_abort);
3566 qemu_opt_set(device, "mount_tag",
3567 qemu_opt_get(opts, "mount_tag"), &error_abort);
3568 break;
3569 }
3570 case QEMU_OPTION_virtfs_synth: {
3571 QemuOpts *fsdev;
3572 QemuOpts *device;
3573
3574 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3575 1, NULL);
3576 if (!fsdev) {
3577 error_report("duplicate option: %s", "virtfs_synth");
3578 exit(1);
3579 }
3580 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3581
3582 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3583 &error_abort);
3584 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3585 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3586 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3587 break;
3588 }
3589 case QEMU_OPTION_serial:
3590 add_device_config(DEV_SERIAL, optarg);
3591 default_serial = 0;
3592 if (strncmp(optarg, "mon:", 4) == 0) {
3593 default_monitor = 0;
3594 }
3595 break;
3596 case QEMU_OPTION_watchdog:
3597 if (watchdog) {
3598 error_report("only one watchdog option may be given");
3599 return 1;
3600 }
3601 watchdog = optarg;
3602 break;
3603 case QEMU_OPTION_watchdog_action:
3604 if (select_watchdog_action(optarg) == -1) {
3605 error_report("unknown -watchdog-action parameter");
3606 exit(1);
3607 }
3608 break;
3609 case QEMU_OPTION_virtiocon:
3610 add_device_config(DEV_VIRTCON, optarg);
3611 default_virtcon = 0;
3612 if (strncmp(optarg, "mon:", 4) == 0) {
3613 default_monitor = 0;
3614 }
3615 break;
3616 case QEMU_OPTION_parallel:
3617 add_device_config(DEV_PARALLEL, optarg);
3618 default_parallel = 0;
3619 if (strncmp(optarg, "mon:", 4) == 0) {
3620 default_monitor = 0;
3621 }
3622 break;
3623 case QEMU_OPTION_debugcon:
3624 add_device_config(DEV_DEBUGCON, optarg);
3625 break;
3626 case QEMU_OPTION_loadvm:
3627 loadvm = optarg;
3628 break;
3629 case QEMU_OPTION_full_screen:
3630 dpy.has_full_screen = true;
3631 dpy.full_screen = true;
3632 break;
3633 case QEMU_OPTION_no_frame:
3634 g_printerr("The -no-frame switch is deprecated, and will be\n"
3635 "removed in a future release.\n");
3636 no_frame = 1;
3637 break;
3638 case QEMU_OPTION_alt_grab:
3639 alt_grab = 1;
3640 break;
3641 case QEMU_OPTION_ctrl_grab:
3642 ctrl_grab = 1;
3643 break;
3644 case QEMU_OPTION_no_quit:
3645 dpy.has_window_close = true;
3646 dpy.window_close = false;
3647 break;
3648 case QEMU_OPTION_sdl:
3649 #ifdef CONFIG_SDL
3650 dpy.type = DISPLAY_TYPE_SDL;
3651 break;
3652 #else
3653 error_report("SDL support is disabled");
3654 exit(1);
3655 #endif
3656 case QEMU_OPTION_pidfile:
3657 pid_file = optarg;
3658 break;
3659 case QEMU_OPTION_win2k_hack:
3660 win2k_install_hack = 1;
3661 break;
3662 case QEMU_OPTION_rtc_td_hack: {
3663 static GlobalProperty slew_lost_ticks = {
3664 .driver = "mc146818rtc",
3665 .property = "lost_tick_policy",
3666 .value = "slew",
3667 };
3668
3669 qdev_prop_register_global(&slew_lost_ticks);
3670 break;
3671 }
3672 case QEMU_OPTION_acpitable:
3673 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3674 optarg, true);
3675 if (!opts) {
3676 exit(1);
3677 }
3678 acpi_table_add(opts, &error_fatal);
3679 break;
3680 case QEMU_OPTION_smbios:
3681 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3682 optarg, false);
3683 if (!opts) {
3684 exit(1);
3685 }
3686 smbios_entry_add(opts, &error_fatal);
3687 break;
3688 case QEMU_OPTION_fwcfg:
3689 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3690 optarg, true);
3691 if (opts == NULL) {
3692 exit(1);
3693 }
3694 break;
3695 case QEMU_OPTION_enable_kvm:
3696 olist = qemu_find_opts("machine");
3697 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3698 break;
3699 case QEMU_OPTION_enable_hax:
3700 olist = qemu_find_opts("machine");
3701 qemu_opts_parse_noisily(olist, "accel=hax", false);
3702 break;
3703 case QEMU_OPTION_M:
3704 case QEMU_OPTION_machine:
3705 olist = qemu_find_opts("machine");
3706 opts = qemu_opts_parse_noisily(olist, optarg, true);
3707 if (!opts) {
3708 exit(1);
3709 }
3710 break;
3711 case QEMU_OPTION_no_kvm:
3712 olist = qemu_find_opts("machine");
3713 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3714 break;
3715 case QEMU_OPTION_no_kvm_pit_reinjection: {
3716 static GlobalProperty kvm_pit_lost_tick_policy = {
3717 .driver = "kvm-pit",
3718 .property = "lost_tick_policy",
3719 .value = "discard",
3720 };
3721
3722 warn_report("deprecated, replaced by "
3723 "-global kvm-pit.lost_tick_policy=discard");
3724 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3725 break;
3726 }
3727 case QEMU_OPTION_accel:
3728 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3729 optarg, true);
3730 optarg = qemu_opt_get(accel_opts, "accel");
3731 if (!optarg || is_help_option(optarg)) {
3732 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3733 exit(0);
3734 }
3735 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3736 false, &error_abort);
3737 qemu_opt_set(opts, "accel", optarg, &error_abort);
3738 break;
3739 case QEMU_OPTION_usb:
3740 olist = qemu_find_opts("machine");
3741 qemu_opts_parse_noisily(olist, "usb=on", false);
3742 break;
3743 case QEMU_OPTION_usbdevice:
3744 error_report("'-usbdevice' is deprecated, please use "
3745 "'-device usb-...' instead");
3746 olist = qemu_find_opts("machine");
3747 qemu_opts_parse_noisily(olist, "usb=on", false);
3748 add_device_config(DEV_USB, optarg);
3749 break;
3750 case QEMU_OPTION_device:
3751 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3752 optarg, true)) {
3753 exit(1);
3754 }
3755 break;
3756 case QEMU_OPTION_smp:
3757 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3758 optarg, true)) {
3759 exit(1);
3760 }
3761 break;
3762 case QEMU_OPTION_vnc:
3763 vnc_parse(optarg, &error_fatal);
3764 break;
3765 case QEMU_OPTION_no_acpi:
3766 acpi_enabled = 0;
3767 break;
3768 case QEMU_OPTION_no_hpet:
3769 no_hpet = 1;
3770 break;
3771 case QEMU_OPTION_balloon:
3772 if (balloon_parse(optarg) < 0) {
3773 error_report("unknown -balloon argument %s", optarg);
3774 exit(1);
3775 }
3776 break;
3777 case QEMU_OPTION_no_reboot:
3778 no_reboot = 1;
3779 break;
3780 case QEMU_OPTION_no_shutdown:
3781 no_shutdown = 1;
3782 break;
3783 case QEMU_OPTION_show_cursor:
3784 cursor_hide = 0;
3785 break;
3786 case QEMU_OPTION_uuid:
3787 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3788 error_report("failed to parse UUID string: wrong format");
3789 exit(1);
3790 }
3791 qemu_uuid_set = true;
3792 break;
3793 case QEMU_OPTION_option_rom:
3794 if (nb_option_roms >= MAX_OPTION_ROMS) {
3795 error_report("too many option ROMs");
3796 exit(1);
3797 }
3798 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3799 optarg, true);
3800 if (!opts) {
3801 exit(1);
3802 }
3803 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3804 option_rom[nb_option_roms].bootindex =
3805 qemu_opt_get_number(opts, "bootindex", -1);
3806 if (!option_rom[nb_option_roms].name) {
3807 error_report("Option ROM file is not specified");
3808 exit(1);
3809 }
3810 nb_option_roms++;
3811 break;
3812 case QEMU_OPTION_semihosting:
3813 semihosting.enabled = true;
3814 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3815 break;
3816 case QEMU_OPTION_semihosting_config:
3817 semihosting.enabled = true;
3818 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3819 optarg, false);
3820 if (opts != NULL) {
3821 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3822 true);
3823 const char *target = qemu_opt_get(opts, "target");
3824 if (target != NULL) {
3825 if (strcmp("native", target) == 0) {
3826 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3827 } else if (strcmp("gdb", target) == 0) {
3828 semihosting.target = SEMIHOSTING_TARGET_GDB;
3829 } else if (strcmp("auto", target) == 0) {
3830 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3831 } else {
3832 error_report("unsupported semihosting-config %s",
3833 optarg);
3834 exit(1);
3835 }
3836 } else {
3837 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3838 }
3839 /* Set semihosting argument count and vector */
3840 qemu_opt_foreach(opts, add_semihosting_arg,
3841 &semihosting, NULL);
3842 } else {
3843 error_report("unsupported semihosting-config %s", optarg);
3844 exit(1);
3845 }
3846 break;
3847 case QEMU_OPTION_tdf:
3848 warn_report("ignoring deprecated option");
3849 break;
3850 case QEMU_OPTION_name:
3851 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3852 optarg, true);
3853 if (!opts) {
3854 exit(1);
3855 }
3856 break;
3857 case QEMU_OPTION_prom_env:
3858 if (nb_prom_envs >= MAX_PROM_ENVS) {
3859 error_report("too many prom variables");
3860 exit(1);
3861 }
3862 prom_envs[nb_prom_envs] = optarg;
3863 nb_prom_envs++;
3864 break;
3865 case QEMU_OPTION_old_param:
3866 old_param = 1;
3867 break;
3868 case QEMU_OPTION_clock:
3869 /* Clock options no longer exist. Keep this option for
3870 * backward compatibility.
3871 */
3872 break;
3873 case QEMU_OPTION_startdate:
3874 configure_rtc_date_offset(optarg, 1);
3875 break;
3876 case QEMU_OPTION_rtc:
3877 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3878 false);
3879 if (!opts) {
3880 exit(1);
3881 }
3882 configure_rtc(opts);
3883 break;
3884 case QEMU_OPTION_tb_size:
3885 #ifndef CONFIG_TCG
3886 error_report("TCG is disabled");
3887 exit(1);
3888 #endif
3889 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3890 error_report("Invalid argument to -tb-size");
3891 exit(1);
3892 }
3893 break;
3894 case QEMU_OPTION_icount:
3895 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3896 optarg, true);
3897 if (!icount_opts) {
3898 exit(1);
3899 }
3900 break;
3901 case QEMU_OPTION_incoming:
3902 if (!incoming) {
3903 runstate_set(RUN_STATE_INMIGRATE);
3904 }
3905 incoming = optarg;
3906 break;
3907 case QEMU_OPTION_only_migratable:
3908 /*
3909 * TODO: we can remove this option one day, and we
3910 * should all use:
3911 *
3912 * "-global migration.only-migratable=true"
3913 */
3914 qemu_global_option("migration.only-migratable=true");
3915 break;
3916 case QEMU_OPTION_nodefaults:
3917 has_defaults = 0;
3918 break;
3919 case QEMU_OPTION_xen_domid:
3920 if (!(xen_available())) {
3921 error_report("Option not supported for this target");
3922 exit(1);
3923 }
3924 xen_domid = atoi(optarg);
3925 break;
3926 case QEMU_OPTION_xen_create:
3927 if (!(xen_available())) {
3928 error_report("Option not supported for this target");
3929 exit(1);
3930 }
3931 xen_mode = XEN_CREATE;
3932 break;
3933 case QEMU_OPTION_xen_attach:
3934 if (!(xen_available())) {
3935 error_report("Option not supported for this target");
3936 exit(1);
3937 }
3938 xen_mode = XEN_ATTACH;
3939 break;
3940 case QEMU_OPTION_xen_domid_restrict:
3941 if (!(xen_available())) {
3942 error_report("Option not supported for this target");
3943 exit(1);
3944 }
3945 xen_domid_restrict = true;
3946 break;
3947 case QEMU_OPTION_trace:
3948 g_free(trace_file);
3949 trace_file = trace_opt_parse(optarg);
3950 break;
3951 case QEMU_OPTION_readconfig:
3952 {
3953 int ret = qemu_read_config_file(optarg);
3954 if (ret < 0) {
3955 error_report("read config %s: %s", optarg,
3956 strerror(-ret));
3957 exit(1);
3958 }
3959 break;
3960 }
3961 case QEMU_OPTION_spice:
3962 olist = qemu_find_opts("spice");
3963 if (!olist) {
3964 error_report("spice support is disabled");
3965 exit(1);
3966 }
3967 opts = qemu_opts_parse_noisily(olist, optarg, false);
3968 if (!opts) {
3969 exit(1);
3970 }
3971 display_remote++;
3972 break;
3973 case QEMU_OPTION_writeconfig:
3974 {
3975 FILE *fp;
3976 if (strcmp(optarg, "-") == 0) {
3977 fp = stdout;
3978 } else {
3979 fp = fopen(optarg, "w");
3980 if (fp == NULL) {
3981 error_report("open %s: %s", optarg,
3982 strerror(errno));
3983 exit(1);
3984 }
3985 }
3986 qemu_config_write(fp);
3987 if (fp != stdout) {
3988 fclose(fp);
3989 }
3990 break;
3991 }
3992 case QEMU_OPTION_qtest:
3993 qtest_chrdev = optarg;
3994 break;
3995 case QEMU_OPTION_qtest_log:
3996 qtest_log = optarg;
3997 break;
3998 case QEMU_OPTION_sandbox:
3999 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4000 optarg, true);
4001 if (!opts) {
4002 exit(1);
4003 }
4004 break;
4005 case QEMU_OPTION_add_fd:
4006 #ifndef _WIN32
4007 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4008 optarg, false);
4009 if (!opts) {
4010 exit(1);
4011 }
4012 #else
4013 error_report("File descriptor passing is disabled on this "
4014 "platform");
4015 exit(1);
4016 #endif
4017 break;
4018 case QEMU_OPTION_object:
4019 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4020 optarg, true);
4021 if (!opts) {
4022 exit(1);
4023 }
4024 break;
4025 case QEMU_OPTION_realtime:
4026 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4027 optarg, false);
4028 if (!opts) {
4029 exit(1);
4030 }
4031 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4032 break;
4033 case QEMU_OPTION_msg:
4034 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4035 false);
4036 if (!opts) {
4037 exit(1);
4038 }
4039 configure_msg(opts);
4040 break;
4041 case QEMU_OPTION_dump_vmstate:
4042 if (vmstate_dump_file) {
4043 error_report("only one '-dump-vmstate' "
4044 "option may be given");
4045 exit(1);
4046 }
4047 vmstate_dump_file = fopen(optarg, "w");
4048 if (vmstate_dump_file == NULL) {
4049 error_report("open %s: %s", optarg, strerror(errno));
4050 exit(1);
4051 }
4052 break;
4053 default:
4054 os_parse_cmd_args(popt->index, optarg);
4055 }
4056 }
4057 }
4058 /*
4059 * Clear error location left behind by the loop.
4060 * Best done right after the loop. Do not insert code here!
4061 */
4062 loc_set_none();
4063
4064 replay_configure(icount_opts);
4065
4066 machine_class = select_machine();
4067
4068 set_memory_options(&ram_slots, &maxram_size, machine_class);
4069
4070 os_daemonize();
4071 rcu_disable_atfork();
4072
4073 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4074 error_report("could not acquire pid file: %s", strerror(errno));
4075 exit(1);
4076 }
4077
4078 if (qemu_init_main_loop(&main_loop_err)) {
4079 error_report_err(main_loop_err);
4080 exit(1);
4081 }
4082
4083 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4084 parse_sandbox, NULL, NULL)) {
4085 exit(1);
4086 }
4087
4088 if (qemu_opts_foreach(qemu_find_opts("name"),
4089 parse_name, NULL, NULL)) {
4090 exit(1);
4091 }
4092
4093 #ifndef _WIN32
4094 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4095 parse_add_fd, NULL, NULL)) {
4096 exit(1);
4097 }
4098
4099 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4100 cleanup_add_fd, NULL, NULL)) {
4101 exit(1);
4102 }
4103 #endif
4104
4105 current_machine = MACHINE(object_new(object_class_get_name(
4106 OBJECT_CLASS(machine_class))));
4107 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4108 exit(0);
4109 }
4110 object_property_add_child(object_get_root(), "machine",
4111 OBJECT(current_machine), &error_abort);
4112
4113 if (machine_class->minimum_page_bits) {
4114 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4115 /* This would be a board error: specifying a minimum smaller than
4116 * a target's compile-time fixed setting.
4117 */
4118 g_assert_not_reached();
4119 }
4120 }
4121
4122 cpu_exec_init_all();
4123
4124 if (machine_class->hw_version) {
4125 qemu_set_hw_version(machine_class->hw_version);
4126 }
4127
4128 if (cpu_model && is_help_option(cpu_model)) {
4129 list_cpus(stdout, &fprintf, cpu_model);
4130 exit(0);
4131 }
4132
4133 if (!trace_init_backends()) {
4134 exit(1);
4135 }
4136 trace_init_file(trace_file);
4137
4138 /* Open the logfile at this point and set the log mask if necessary.
4139 */
4140 if (log_file) {
4141 qemu_set_log_filename(log_file, &error_fatal);
4142 }
4143
4144 if (log_mask) {
4145 int mask;
4146 mask = qemu_str_to_log_mask(log_mask);
4147 if (!mask) {
4148 qemu_print_log_usage(stdout);
4149 exit(1);
4150 }
4151 qemu_set_log(mask);
4152 } else {
4153 qemu_set_log(0);
4154 }
4155
4156 /* add configured firmware directories */
4157 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4158 for (i = 0; dirs[i] != NULL; i++) {
4159 qemu_add_data_dir(dirs[i]);
4160 }
4161 g_strfreev(dirs);
4162
4163 /* try to find datadir relative to the executable path */
4164 dir = os_find_datadir();
4165 qemu_add_data_dir(dir);
4166 g_free(dir);
4167
4168 /* add the datadir specified when building */
4169 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4170
4171 /* -L help lists the data directories and exits. */
4172 if (list_data_dirs) {
4173 for (i = 0; i < data_dir_idx; i++) {
4174 printf("%s\n", data_dir[i]);
4175 }
4176 exit(0);
4177 }
4178
4179 /* machine_class: default to UP */
4180 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4181 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4182 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4183
4184 /* default to machine_class->default_cpus */
4185 smp_cpus = machine_class->default_cpus;
4186 max_cpus = machine_class->default_cpus;
4187
4188 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4189
4190 /* sanity-check smp_cpus and max_cpus against machine_class */
4191 if (smp_cpus < machine_class->min_cpus) {
4192 error_report("Invalid SMP CPUs %d. The min CPUs "
4193 "supported by machine '%s' is %d", smp_cpus,
4194 machine_class->name, machine_class->min_cpus);
4195 exit(1);
4196 }
4197 if (max_cpus > machine_class->max_cpus) {
4198 error_report("Invalid SMP CPUs %d. The max CPUs "
4199 "supported by machine '%s' is %d", max_cpus,
4200 machine_class->name, machine_class->max_cpus);
4201 exit(1);
4202 }
4203
4204 /*
4205 * Get the default machine options from the machine if it is not already
4206 * specified either by the configuration file or by the command line.
4207 */
4208 if (machine_class->default_machine_opts) {
4209 qemu_opts_set_defaults(qemu_find_opts("machine"),
4210 machine_class->default_machine_opts, 0);
4211 }
4212
4213 qemu_opts_foreach(qemu_find_opts("device"),
4214 default_driver_check, NULL, NULL);
4215 qemu_opts_foreach(qemu_find_opts("global"),
4216 default_driver_check, NULL, NULL);
4217
4218 if (!vga_model && !default_vga) {
4219 vga_interface_type = VGA_DEVICE;
4220 }
4221 if (!has_defaults || machine_class->no_serial) {
4222 default_serial = 0;
4223 }
4224 if (!has_defaults || machine_class->no_parallel) {
4225 default_parallel = 0;
4226 }
4227 if (!has_defaults || !machine_class->use_virtcon) {
4228 default_virtcon = 0;
4229 }
4230 if (!has_defaults || !machine_class->use_sclp) {
4231 default_sclp = 0;
4232 }
4233 if (!has_defaults || machine_class->no_floppy) {
4234 default_floppy = 0;
4235 }
4236 if (!has_defaults || machine_class->no_cdrom) {
4237 default_cdrom = 0;
4238 }
4239 if (!has_defaults || machine_class->no_sdcard) {
4240 default_sdcard = 0;
4241 }
4242 if (!has_defaults) {
4243 default_monitor = 0;
4244 default_net = 0;
4245 default_vga = 0;
4246 }
4247
4248 if (is_daemonized()) {
4249 /* According to documentation and historically, -nographic redirects
4250 * serial port, parallel port and monitor to stdio, which does not work
4251 * with -daemonize. We can redirect these to null instead, but since
4252 * -nographic is legacy, let's just error out.
4253 * We disallow -nographic only if all other ports are not redirected
4254 * explicitly, to not break existing legacy setups which uses
4255 * -nographic _and_ redirects all ports explicitly - this is valid
4256 * usage, -nographic is just a no-op in this case.
4257 */
4258 if (nographic
4259 && (default_parallel || default_serial
4260 || default_monitor || default_virtcon)) {
4261 error_report("-nographic cannot be used with -daemonize");
4262 exit(1);
4263 }
4264 #ifdef CONFIG_CURSES
4265 if (dpy.type == DISPLAY_TYPE_CURSES) {
4266 error_report("curses display cannot be used with -daemonize");
4267 exit(1);
4268 }
4269 #endif
4270 }
4271
4272 if (nographic) {
4273 if (default_parallel)
4274 add_device_config(DEV_PARALLEL, "null");
4275 if (default_serial && default_monitor) {
4276 add_device_config(DEV_SERIAL, "mon:stdio");
4277 } else if (default_virtcon && default_monitor) {
4278 add_device_config(DEV_VIRTCON, "mon:stdio");
4279 } else if (default_sclp && default_monitor) {
4280 add_device_config(DEV_SCLP, "mon:stdio");
4281 } else {
4282 if (default_serial)
4283 add_device_config(DEV_SERIAL, "stdio");
4284 if (default_virtcon)
4285 add_device_config(DEV_VIRTCON, "stdio");
4286 if (default_sclp) {
4287 add_device_config(DEV_SCLP, "stdio");
4288 }
4289 if (default_monitor)
4290 monitor_parse("stdio", "readline", false);
4291 }
4292 } else {
4293 if (default_serial)
4294 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4295 if (default_parallel)
4296 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4297 if (default_monitor)
4298 monitor_parse("vc:80Cx24C", "readline", false);
4299 if (default_virtcon)
4300 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4301 if (default_sclp) {
4302 add_device_config(DEV_SCLP, "vc:80Cx24C");
4303 }
4304 }
4305
4306 #if defined(CONFIG_VNC)
4307 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4308 display_remote++;
4309 }
4310 #endif
4311 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4312 #if defined(CONFIG_GTK)
4313 dpy.type = DISPLAY_TYPE_GTK;
4314 #elif defined(CONFIG_SDL)
4315 dpy.type = DISPLAY_TYPE_SDL;
4316 #elif defined(CONFIG_COCOA)
4317 dpy.type = DISPLAY_TYPE_COCOA;
4318 #elif defined(CONFIG_VNC)
4319 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4320 #else
4321 dpy.type = DISPLAY_TYPE_NONE;
4322 #endif
4323 }
4324 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4325 dpy.type = DISPLAY_TYPE_NONE;
4326 }
4327
4328 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4329 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4330 "for SDL, ignoring option");
4331 }
4332 if (dpy.has_window_close &&
4333 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4334 error_report("-no-quit is only valid for GTK and SDL, "
4335 "ignoring option");
4336 }
4337
4338 qemu_display_early_init(&dpy);
4339 qemu_console_early_init();
4340
4341 if (dpy.has_gl && dpy.gl && display_opengl == 0) {
4342 #if defined(CONFIG_OPENGL)
4343 error_report("OpenGL is not supported by the display");
4344 #else
4345 error_report("OpenGL support is disabled");
4346 #endif
4347 exit(1);
4348 }
4349
4350 page_size_init();
4351 socket_init();
4352
4353 if (qemu_opts_foreach(qemu_find_opts("object"),
4354 user_creatable_add_opts_foreach,
4355 object_create_initial, NULL)) {
4356 exit(1);
4357 }
4358
4359 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4360 chardev_init_func, NULL, NULL)) {
4361 exit(1);
4362 }
4363
4364 #ifdef CONFIG_VIRTFS
4365 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4366 fsdev_init_func, NULL, NULL)) {
4367 exit(1);
4368 }
4369 #endif
4370
4371 if (qemu_opts_foreach(qemu_find_opts("device"),
4372 device_help_func, NULL, NULL)) {
4373 exit(0);
4374 }
4375
4376 machine_opts = qemu_get_machine_opts();
4377 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4378 NULL)) {
4379 object_unref(OBJECT(current_machine));
4380 exit(1);
4381 }
4382
4383 configure_accelerator(current_machine);
4384
4385 /*
4386 * Register all the global properties, including accel properties,
4387 * machine properties, and user-specified ones.
4388 */
4389 register_global_properties(current_machine);
4390
4391 /*
4392 * Migration object can only be created after global properties
4393 * are applied correctly.
4394 */
4395 migration_object_init();
4396
4397 if (qtest_chrdev) {
4398 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4399 }
4400
4401 machine_opts = qemu_get_machine_opts();
4402 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4403 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4404 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4405 bios_name = qemu_opt_get(machine_opts, "firmware");
4406
4407 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4408 if (opts) {
4409 boot_order = qemu_opt_get(opts, "order");
4410 if (boot_order) {
4411 validate_bootdevices(boot_order, &error_fatal);
4412 }
4413
4414 boot_once = qemu_opt_get(opts, "once");
4415 if (boot_once) {
4416 validate_bootdevices(boot_once, &error_fatal);
4417 }
4418
4419 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4420 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4421 }
4422
4423 if (!boot_order) {
4424 boot_order = machine_class->default_boot_order;
4425 }
4426
4427 if (!kernel_cmdline) {
4428 kernel_cmdline = "";
4429 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4430 }
4431
4432 linux_boot = (kernel_filename != NULL);
4433
4434 if (!linux_boot && *kernel_cmdline != '\0') {
4435 error_report("-append only allowed with -kernel option");
4436 exit(1);
4437 }
4438
4439 if (!linux_boot && initrd_filename != NULL) {
4440 error_report("-initrd only allowed with -kernel option");
4441 exit(1);
4442 }
4443
4444 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4445 /* fall back to the -kernel/-append */
4446 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4447 }
4448
4449 os_set_line_buffering();
4450
4451 /* spice needs the timers to be initialized by this point */
4452 qemu_spice_init();
4453
4454 cpu_ticks_init();
4455 if (icount_opts) {
4456 if (!tcg_enabled()) {
4457 error_report("-icount is not allowed with hardware virtualization");
4458 exit(1);
4459 }
4460 configure_icount(icount_opts, &error_abort);
4461 qemu_opts_del(icount_opts);
4462 }
4463
4464 if (tcg_enabled()) {
4465 qemu_tcg_configure(accel_opts, &error_fatal);
4466 }
4467
4468 if (default_net) {
4469 QemuOptsList *net = qemu_find_opts("net");
4470 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4471 #ifdef CONFIG_SLIRP
4472 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4473 #endif
4474 }
4475
4476 colo_info_init();
4477
4478 if (net_init_clients() < 0) {
4479 exit(1);
4480 }
4481
4482 if (qemu_opts_foreach(qemu_find_opts("object"),
4483 user_creatable_add_opts_foreach,
4484 object_create_delayed, NULL)) {
4485 exit(1);
4486 }
4487
4488 if (tpm_init() < 0) {
4489 exit(1);
4490 }
4491
4492 /* init the bluetooth world */
4493 if (foreach_device_config(DEV_BT, bt_parse))
4494 exit(1);
4495
4496 if (!xen_enabled()) {
4497 /* On 32-bit hosts, QEMU is limited by virtual address space */
4498 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4499 error_report("at most 2047 MB RAM can be simulated");
4500 exit(1);
4501 }
4502 }
4503
4504 blk_mig_init();
4505 ram_mig_init();
4506
4507 /* If the currently selected machine wishes to override the units-per-bus
4508 * property of its default HBA interface type, do so now. */
4509 if (machine_class->units_per_default_bus) {
4510 override_max_devs(machine_class->block_default_type,
4511 machine_class->units_per_default_bus);
4512 }
4513
4514 /* open the virtual block devices */
4515 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4516 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4517
4518 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4519 loc_push_restore(&bdo->loc);
4520 qmp_blockdev_add(bdo->bdo, &error_fatal);
4521 loc_pop(&bdo->loc);
4522 qapi_free_BlockdevOptions(bdo->bdo);
4523 g_free(bdo);
4524 }
4525 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4526 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4527 NULL, NULL);
4528 }
4529 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4530 &machine_class->block_default_type, NULL)) {
4531 exit(1);
4532 }
4533
4534 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4535 CDROM_OPTS);
4536 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4537 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4538
4539 if (qemu_opts_foreach(qemu_find_opts("mon"),
4540 mon_init_func, NULL, NULL)) {
4541 exit(1);
4542 }
4543
4544 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4545 exit(1);
4546 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4547 exit(1);
4548 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4549 exit(1);
4550 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4551 exit(1);
4552 }
4553 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4554 exit(1);
4555
4556 /* If no default VGA is requested, the default is "none". */
4557 if (default_vga) {
4558 if (machine_class->default_display) {
4559 vga_model = machine_class->default_display;
4560 } else if (vga_interface_available(VGA_CIRRUS)) {
4561 vga_model = "cirrus";
4562 } else if (vga_interface_available(VGA_STD)) {
4563 vga_model = "std";
4564 }
4565 }
4566 if (vga_model) {
4567 select_vgahw(vga_model);
4568 }
4569
4570 if (watchdog) {
4571 i = select_watchdog(watchdog);
4572 if (i > 0)
4573 exit (i == 1 ? 1 : 0);
4574 }
4575
4576 /* This checkpoint is required by replay to separate prior clock
4577 reading from the other reads, because timer polling functions query
4578 clock values from the log. */
4579 replay_checkpoint(CHECKPOINT_INIT);
4580 qdev_machine_init();
4581
4582 current_machine->ram_size = ram_size;
4583 current_machine->maxram_size = maxram_size;
4584 current_machine->ram_slots = ram_slots;
4585 current_machine->boot_order = boot_order;
4586 current_machine->cpu_model = cpu_model;
4587
4588 /* parse features once if machine provides default cpu_type */
4589 if (machine_class->default_cpu_type) {
4590 current_machine->cpu_type = machine_class->default_cpu_type;
4591 if (cpu_model) {
4592 current_machine->cpu_type =
4593 cpu_parse_cpu_model(machine_class->default_cpu_type, cpu_model);
4594 }
4595 }
4596 parse_numa_opts(current_machine);
4597
4598 machine_run_board_init(current_machine);
4599
4600 realtime_init();
4601
4602 soundhw_init();
4603
4604 if (hax_enabled()) {
4605 hax_sync_vcpus();
4606 }
4607
4608 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4609 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4610 exit(1);
4611 }
4612
4613 /* init USB devices */
4614 if (machine_usb(current_machine)) {
4615 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4616 exit(1);
4617 }
4618
4619 /* Check if IGD GFX passthrough. */
4620 igd_gfx_passthru();
4621
4622 /* init generic devices */
4623 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4624 if (qemu_opts_foreach(qemu_find_opts("device"),
4625 device_init_func, NULL, NULL)) {
4626 exit(1);
4627 }
4628
4629 cpu_synchronize_all_post_init();
4630
4631 rom_reset_order_override();
4632
4633 /*
4634 * Create frontends for -drive if=scsi leftovers.
4635 * Normally, frontends for -drive get created by machine
4636 * initialization for onboard SCSI HBAs. However, we create a few
4637 * more ever since SCSI qdevification, but this is pretty much an
4638 * implementation accident, and deprecated.
4639 */
4640 scsi_legacy_handle_cmdline();
4641
4642 /* Did we create any drives that we failed to create a device for? */
4643 drive_check_orphaned();
4644
4645 /* Don't warn about the default network setup that you get if
4646 * no command line -net or -netdev options are specified. There
4647 * are two cases that we would otherwise complain about:
4648 * (1) board doesn't support a NIC but the implicit "-net nic"
4649 * requested one
4650 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4651 * sets up a nic that isn't connected to anything.
4652 */
4653 if (!default_net) {
4654 net_check_clients();
4655 }
4656
4657
4658 if (boot_once) {
4659 qemu_boot_set(boot_once, &error_fatal);
4660 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4661 }
4662
4663 ds = init_displaystate();
4664
4665 /* init local displays */
4666 switch (dpy.type) {
4667 case DISPLAY_TYPE_CURSES:
4668 curses_display_init(ds, &dpy);
4669 break;
4670 case DISPLAY_TYPE_COCOA:
4671 cocoa_display_init(ds, &dpy);
4672 break;
4673 default:
4674 qemu_display_init(ds, &dpy);
4675 break;
4676 }
4677
4678 /* must be after terminal init, SDL library changes signal handlers */
4679 os_setup_signal_handling();
4680
4681 /* init remote displays */
4682 #ifdef CONFIG_VNC
4683 qemu_opts_foreach(qemu_find_opts("vnc"),
4684 vnc_init_func, NULL, NULL);
4685 #endif
4686
4687 if (using_spice) {
4688 qemu_spice_display_init();
4689 }
4690
4691 #ifdef CONFIG_OPENGL_DMABUF
4692 if (dpy.type == DISPLAY_TYPE_EGL_HEADLESS) {
4693 egl_headless_init(&dpy);
4694 }
4695 #endif
4696
4697 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4698 exit(1);
4699 }
4700
4701 qdev_machine_creation_done();
4702
4703 /* TODO: once all bus devices are qdevified, this should be done
4704 * when bus is created by qdev.c */
4705 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4706 qemu_run_machine_init_done_notifiers();
4707
4708 if (rom_check_and_register_reset() != 0) {
4709 error_report("rom check and register reset failed");
4710 exit(1);
4711 }
4712
4713 replay_start();
4714
4715 /* This checkpoint is required by replay to separate prior clock
4716 reading from the other reads, because timer polling functions query
4717 clock values from the log. */
4718 replay_checkpoint(CHECKPOINT_RESET);
4719 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4720 register_global_state();
4721 if (replay_mode != REPLAY_MODE_NONE) {
4722 replay_vmstate_init();
4723 } else if (loadvm) {
4724 Error *local_err = NULL;
4725 if (load_snapshot(loadvm, &local_err) < 0) {
4726 error_report_err(local_err);
4727 autostart = 0;
4728 }
4729 }
4730
4731 qdev_prop_check_globals();
4732 if (vmstate_dump_file) {
4733 /* dump and exit */
4734 dump_vmstate_json_to_file(vmstate_dump_file);
4735 return 0;
4736 }
4737
4738 if (incoming) {
4739 Error *local_err = NULL;
4740 qemu_start_incoming_migration(incoming, &local_err);
4741 if (local_err) {
4742 error_reportf_err(local_err, "-incoming %s: ", incoming);
4743 exit(1);
4744 }
4745 } else if (autostart) {
4746 vm_start();
4747 }
4748
4749 os_setup_post();
4750
4751 main_loop();
4752 replay_disable_events();
4753
4754 /* The ordering of the following is delicate. Stop vcpus to prevent new
4755 * I/O requests being queued by the guest. Then stop IOThreads (this
4756 * includes a drain operation and completes all request processing). At
4757 * this point emulated devices are still associated with their IOThreads
4758 * (if any) but no longer have any work to do. Only then can we close
4759 * block devices safely because we know there is no more I/O coming.
4760 */
4761 pause_all_vcpus();
4762 iothread_stop_all();
4763 bdrv_close_all();
4764
4765 res_free();
4766
4767 /* vhost-user must be cleaned up before chardevs. */
4768 tpm_cleanup();
4769 net_cleanup();
4770 audio_cleanup();
4771 monitor_cleanup();
4772 qemu_chr_cleanup();
4773 user_creatable_cleanup();
4774 migration_object_finalize();
4775 /* TODO: unref root container, check all devices are ok */
4776
4777 return 0;
4778 }
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