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Merge tag 'v3.0.0-rc4'
[qemu/ar7.git] / vl.c
blob295e2f6b861575f7fe5b955bb96039015ee38333
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #define SDL_MAIN_HANDLED
37 #include <SDL.h>
38 #if SDL_MAJOR_VERSION == 1
39 int qemu_main(int argc, char **argv);
40 int main(int argc, char **argv)
41 {
42 return qemu_main(argc, argv);
43 }
44 #undef main
45 #define main qemu_main
46 #elif SDL_MAJOR_VERSION == 2
47 #undef main
48 #else
49 #error undefined SDL version
50 #endif
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59
60 #include "qemu/error-report.h"
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/isa/isa.h"
67 #include "hw/scsi/scsi.h"
68 #include "hw/display/vga.h"
69 #include "hw/bt.h"
70 #include "sysemu/watchdog.h"
71 #include "hw/smbios/smbios.h"
72 #include "hw/acpi/acpi.h"
73 #include "hw/xen/xen.h"
74 #include "hw/qdev.h"
75 #include "hw/loader.h"
76 #include "monitor/qdev.h"
77 #include "sysemu/bt.h"
78 #include "net/net.h"
79 #include "net/slirp.h"
80 #include "monitor/monitor.h"
81 #include "ui/console.h"
82 #include "ui/input.h"
83 #include "sysemu/sysemu.h"
84 #include "sysemu/numa.h"
85 #include "exec/gdbstub.h"
86 #include "qemu/timer.h"
87 #include "chardev/char.h"
88 #include "qemu/bitmap.h"
89 #include "qemu/log.h"
90 #include "sysemu/blockdev.h"
91 #include "hw/block/block.h"
92 #include "migration/misc.h"
93 #include "migration/snapshot.h"
94 #include "migration/global_state.h"
95 #include "sysemu/tpm.h"
96 #include "sysemu/dma.h"
97 #include "hw/audio/soundhw.h"
98 #include "audio/audio.h"
99 #include "sysemu/cpus.h"
100 #include "migration/colo.h"
101 #include "migration/postcopy-ram.h"
102 #include "sysemu/kvm.h"
103 #include "sysemu/hax.h"
104 #include "qapi/qobject-input-visitor.h"
105 #include "qemu/option.h"
106 #include "qemu/config-file.h"
107 #include "qemu-options.h"
108 #include "qemu/main-loop.h"
109 #ifdef CONFIG_VIRTFS
110 #include "fsdev/qemu-fsdev.h"
111 #endif
112 #include "sysemu/qtest.h"
113
114 #include "disas/disas.h"
115
116
117 #include "slirp/libslirp.h"
118
119 #include "trace-root.h"
120 #include "trace/control.h"
121 #include "qemu/queue.h"
122 #include "sysemu/arch_init.h"
123
124 #include "ui/qemu-spice.h"
125 #include "qapi/string-input-visitor.h"
126 #include "qapi/opts-visitor.h"
127 #include "qapi/clone-visitor.h"
128 #include "qom/object_interfaces.h"
129 #include "exec/semihost.h"
130 #include "crypto/init.h"
131 #include "sysemu/replay.h"
132 #include "qapi/qapi-events-run-state.h"
133 #include "qapi/qapi-visit-block-core.h"
134 #include "qapi/qapi-visit-ui.h"
135 #include "qapi/qapi-commands-block-core.h"
136 #include "qapi/qapi-commands-misc.h"
137 #include "qapi/qapi-commands-run-state.h"
138 #include "qapi/qmp/qerror.h"
139 #include "sysemu/iothread.h"
140
141 #define MAX_VIRTIO_CONSOLES 1
142
143 static const char *data_dir[16];
144 static int data_dir_idx;
145 const char *bios_name = NULL;
146 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
147 int display_opengl;
148 const char* keyboard_layout = NULL;
149 ram_addr_t ram_size;
150 const char *mem_path = NULL;
151 int mem_prealloc = 0; /* force preallocation of physical target memory */
152 bool enable_mlock = false;
153 bool enable_cpu_pm = false;
154 int nb_nics;
155 NICInfo nd_table[MAX_NICS];
156 int autostart;
157 static int rtc_utc = 1;
158 static int rtc_date_offset = -1; /* -1 means no change */
159 QEMUClockType rtc_clock;
160 int vga_interface_type = VGA_NONE;
161 static DisplayOptions dpy;
162 int no_frame;
163 static int num_serial_hds;
164 static Chardev **serial_hds;
165 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
166 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
167 int win2k_install_hack = 0;
168 int singlestep = 0;
169 int smp_cpus;
170 unsigned int max_cpus;
171 int smp_cores = 1;
172 int smp_threads = 1;
173 int acpi_enabled = 1;
174 int no_hpet = 0;
175 int fd_bootchk = 1;
176 static int no_reboot;
177 int no_shutdown = 0;
178 int cursor_hide = 1;
179 int graphic_rotate = 0;
180 const char *watchdog;
181 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
182 int nb_option_roms;
183 int old_param = 0;
184 const char *qemu_name;
185 int alt_grab = 0;
186 int ctrl_grab = 0;
187 unsigned int nb_prom_envs = 0;
188 const char *prom_envs[MAX_PROM_ENVS];
189 int boot_menu;
190 bool boot_strict;
191 uint8_t *boot_splash_filedata;
192 size_t boot_splash_filedata_size;
193 uint8_t qemu_extra_params_fw[2];
194
195 int icount_align_option;
196
197 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
198 * little-endian "wire format" described in the SMBIOS 2.6 specification.
199 */
200 QemuUUID qemu_uuid;
201 bool qemu_uuid_set;
202
203 /* Trace unassigned memory or i/o accesses. */
204 bool trace_unassigned;
205
206 static NotifierList exit_notifiers =
207 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
208
209 static NotifierList machine_init_done_notifiers =
210 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
211
212 bool xen_allowed;
213 uint32_t xen_domid;
214 enum xen_mode xen_mode = XEN_EMULATE;
215 bool xen_domid_restrict;
216
217 static int has_defaults = 1;
218 static int default_serial = 1;
219 static int default_parallel = 1;
220 static int default_virtcon = 1;
221 static int default_monitor = 1;
222 static int default_floppy = 1;
223 static int default_cdrom = 1;
224 static int default_sdcard = 1;
225 static int default_vga = 1;
226 static int default_net = 1;
227
228 static struct {
229 const char *driver;
230 int *flag;
231 } default_list[] = {
232 { .driver = "isa-serial", .flag = &default_serial },
233 { .driver = "isa-parallel", .flag = &default_parallel },
234 { .driver = "isa-fdc", .flag = &default_floppy },
235 { .driver = "floppy", .flag = &default_floppy },
236 { .driver = "ide-cd", .flag = &default_cdrom },
237 { .driver = "ide-hd", .flag = &default_cdrom },
238 { .driver = "ide-drive", .flag = &default_cdrom },
239 { .driver = "scsi-cd", .flag = &default_cdrom },
240 { .driver = "scsi-hd", .flag = &default_cdrom },
241 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
242 { .driver = "virtio-serial", .flag = &default_virtcon },
243 { .driver = "VGA", .flag = &default_vga },
244 { .driver = "isa-vga", .flag = &default_vga },
245 { .driver = "cirrus-vga", .flag = &default_vga },
246 { .driver = "isa-cirrus-vga", .flag = &default_vga },
247 { .driver = "vmware-svga", .flag = &default_vga },
248 { .driver = "qxl-vga", .flag = &default_vga },
249 { .driver = "virtio-vga", .flag = &default_vga },
250 };
251
252 static QemuOptsList qemu_rtc_opts = {
253 .name = "rtc",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
255 .desc = {
256 {
257 .name = "base",
258 .type = QEMU_OPT_STRING,
259 },{
260 .name = "clock",
261 .type = QEMU_OPT_STRING,
262 },{
263 .name = "driftfix",
264 .type = QEMU_OPT_STRING,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_option_rom_opts = {
271 .name = "option-rom",
272 .implied_opt_name = "romfile",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
274 .desc = {
275 {
276 .name = "bootindex",
277 .type = QEMU_OPT_NUMBER,
278 }, {
279 .name = "romfile",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_machine_opts = {
287 .name = "machine",
288 .implied_opt_name = "type",
289 .merge_lists = true,
290 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
291 .desc = {
292 /*
293 * no elements => accept any
294 * sanity checking will happen later
295 * when setting machine properties
296 */
297 { }
298 },
299 };
300
301 static QemuOptsList qemu_accel_opts = {
302 .name = "accel",
303 .implied_opt_name = "accel",
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
305 .merge_lists = true,
306 .desc = {
307 {
308 .name = "accel",
309 .type = QEMU_OPT_STRING,
310 .help = "Select the type of accelerator",
311 },
312 {
313 .name = "thread",
314 .type = QEMU_OPT_STRING,
315 .help = "Enable/disable multi-threaded TCG",
316 },
317 { /* end of list */ }
318 },
319 };
320
321 static QemuOptsList qemu_boot_opts = {
322 .name = "boot-opts",
323 .implied_opt_name = "order",
324 .merge_lists = true,
325 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
326 .desc = {
327 {
328 .name = "order",
329 .type = QEMU_OPT_STRING,
330 }, {
331 .name = "once",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "menu",
335 .type = QEMU_OPT_BOOL,
336 }, {
337 .name = "splash",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "splash-time",
341 .type = QEMU_OPT_STRING,
342 }, {
343 .name = "reboot-timeout",
344 .type = QEMU_OPT_STRING,
345 }, {
346 .name = "strict",
347 .type = QEMU_OPT_BOOL,
348 },
349 { /*End of list */ }
350 },
351 };
352
353 static QemuOptsList qemu_add_fd_opts = {
354 .name = "add-fd",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
356 .desc = {
357 {
358 .name = "fd",
359 .type = QEMU_OPT_NUMBER,
360 .help = "file descriptor of which a duplicate is added to fd set",
361 },{
362 .name = "set",
363 .type = QEMU_OPT_NUMBER,
364 .help = "ID of the fd set to add fd to",
365 },{
366 .name = "opaque",
367 .type = QEMU_OPT_STRING,
368 .help = "free-form string used to describe fd",
369 },
370 { /* end of list */ }
371 },
372 };
373
374 static QemuOptsList qemu_object_opts = {
375 .name = "object",
376 .implied_opt_name = "qom-type",
377 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
378 .desc = {
379 { }
380 },
381 };
382
383 static QemuOptsList qemu_tpmdev_opts = {
384 .name = "tpmdev",
385 .implied_opt_name = "type",
386 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
387 .desc = {
388 /* options are defined in the TPM backends */
389 { /* end of list */ }
390 },
391 };
392
393 static QemuOptsList qemu_realtime_opts = {
394 .name = "realtime",
395 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
396 .desc = {
397 {
398 .name = "mlock",
399 .type = QEMU_OPT_BOOL,
400 },
401 { /* end of list */ }
402 },
403 };
404
405 static QemuOptsList qemu_overcommit_opts = {
406 .name = "overcommit",
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
408 .desc = {
409 {
410 .name = "mem-lock",
411 .type = QEMU_OPT_BOOL,
412 },
413 {
414 .name = "cpu-pm",
415 .type = QEMU_OPT_BOOL,
416 },
417 { /* end of list */ }
418 },
419 };
420
421 static QemuOptsList qemu_msg_opts = {
422 .name = "msg",
423 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
424 .desc = {
425 {
426 .name = "timestamp",
427 .type = QEMU_OPT_BOOL,
428 },
429 { /* end of list */ }
430 },
431 };
432
433 static QemuOptsList qemu_name_opts = {
434 .name = "name",
435 .implied_opt_name = "guest",
436 .merge_lists = true,
437 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
438 .desc = {
439 {
440 .name = "guest",
441 .type = QEMU_OPT_STRING,
442 .help = "Sets the name of the guest.\n"
443 "This name will be displayed in the SDL window caption.\n"
444 "The name will also be used for the VNC server",
445 }, {
446 .name = "process",
447 .type = QEMU_OPT_STRING,
448 .help = "Sets the name of the QEMU process, as shown in top etc",
449 }, {
450 .name = "debug-threads",
451 .type = QEMU_OPT_BOOL,
452 .help = "When enabled, name the individual threads; defaults off.\n"
453 "NOTE: The thread names are for debugging and not a\n"
454 "stable API.",
455 },
456 { /* End of list */ }
457 },
458 };
459
460 static QemuOptsList qemu_mem_opts = {
461 .name = "memory",
462 .implied_opt_name = "size",
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
464 .merge_lists = true,
465 .desc = {
466 {
467 .name = "size",
468 .type = QEMU_OPT_SIZE,
469 },
470 {
471 .name = "slots",
472 .type = QEMU_OPT_NUMBER,
473 },
474 {
475 .name = "maxmem",
476 .type = QEMU_OPT_SIZE,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_icount_opts = {
483 .name = "icount",
484 .implied_opt_name = "shift",
485 .merge_lists = true,
486 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
487 .desc = {
488 {
489 .name = "shift",
490 .type = QEMU_OPT_STRING,
491 }, {
492 .name = "align",
493 .type = QEMU_OPT_BOOL,
494 }, {
495 .name = "sleep",
496 .type = QEMU_OPT_BOOL,
497 }, {
498 .name = "rr",
499 .type = QEMU_OPT_STRING,
500 }, {
501 .name = "rrfile",
502 .type = QEMU_OPT_STRING,
503 }, {
504 .name = "rrsnapshot",
505 .type = QEMU_OPT_STRING,
506 },
507 { /* end of list */ }
508 },
509 };
510
511 static QemuOptsList qemu_semihosting_config_opts = {
512 .name = "semihosting-config",
513 .implied_opt_name = "enable",
514 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
515 .desc = {
516 {
517 .name = "enable",
518 .type = QEMU_OPT_BOOL,
519 }, {
520 .name = "target",
521 .type = QEMU_OPT_STRING,
522 }, {
523 .name = "arg",
524 .type = QEMU_OPT_STRING,
525 },
526 { /* end of list */ }
527 },
528 };
529
530 static QemuOptsList qemu_fw_cfg_opts = {
531 .name = "fw_cfg",
532 .implied_opt_name = "name",
533 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
534 .desc = {
535 {
536 .name = "name",
537 .type = QEMU_OPT_STRING,
538 .help = "Sets the fw_cfg name of the blob to be inserted",
539 }, {
540 .name = "file",
541 .type = QEMU_OPT_STRING,
542 .help = "Sets the name of the file from which\n"
543 "the fw_cfg blob will be loaded",
544 }, {
545 .name = "string",
546 .type = QEMU_OPT_STRING,
547 .help = "Sets content of the blob to be inserted from a string",
548 },
549 { /* end of list */ }
550 },
551 };
552
553 /**
554 * Get machine options
555 *
556 * Returns: machine options (never null).
557 */
558 QemuOpts *qemu_get_machine_opts(void)
559 {
560 return qemu_find_opts_singleton("machine");
561 }
562
563 const char *qemu_get_vm_name(void)
564 {
565 return qemu_name;
566 }
567
568 static void res_free(void)
569 {
570 g_free(boot_splash_filedata);
571 boot_splash_filedata = NULL;
572 }
573
574 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
575 {
576 const char *driver = qemu_opt_get(opts, "driver");
577 int i;
578
579 if (!driver)
580 return 0;
581 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
582 if (strcmp(default_list[i].driver, driver) != 0)
583 continue;
584 *(default_list[i].flag) = 0;
585 }
586 return 0;
587 }
588
589 /***********************************************************/
590 /* QEMU state */
591
592 static RunState current_run_state = RUN_STATE_PRECONFIG;
593
594 /* We use RUN_STATE__MAX but any invalid value will do */
595 static RunState vmstop_requested = RUN_STATE__MAX;
596 static QemuMutex vmstop_lock;
597
598 typedef struct {
599 RunState from;
600 RunState to;
601 } RunStateTransition;
602
603 static const RunStateTransition runstate_transitions_def[] = {
604 /* from -> to */
605 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
606 /* Early switch to inmigrate state to allow -incoming CLI option work
607 * as it used to. TODO: delay actual switching to inmigrate state to
608 * the point after machine is built and remove this hack.
609 */
610 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
611
612 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
613 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
615
616 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
617 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
618 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
619 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
620 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
621 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
623 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
624 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
626 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
627 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
628
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
630 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
632
633 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
634 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
636
637 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
638 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
640 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
641 { RUN_STATE_PAUSED, RUN_STATE_COLO},
642
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
644 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
645 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
646
647 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
648 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
650
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
654 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
655 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
656
657 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
658 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
659
660 { RUN_STATE_COLO, RUN_STATE_RUNNING },
661
662 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
663 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
664 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
665 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
666 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
668 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
669 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
670 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
671 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
672 { RUN_STATE_RUNNING, RUN_STATE_COLO},
673
674 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
675
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
677 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
678 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
679
680 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
681 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
682 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
683 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
684 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
685 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
686
687 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
688 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
689 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
690 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
691
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
693 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
694 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
695
696 { RUN_STATE__MAX, RUN_STATE__MAX },
697 };
698
699 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
700
701 bool runstate_check(RunState state)
702 {
703 return current_run_state == state;
704 }
705
706 bool runstate_store(char *str, size_t size)
707 {
708 const char *state = RunState_str(current_run_state);
709 size_t len = strlen(state) + 1;
710
711 if (len > size) {
712 return false;
713 }
714 memcpy(str, state, len);
715 return true;
716 }
717
718 static void runstate_init(void)
719 {
720 const RunStateTransition *p;
721
722 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
723 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
724 runstate_valid_transitions[p->from][p->to] = true;
725 }
726
727 qemu_mutex_init(&vmstop_lock);
728 }
729
730 /* This function will abort() on invalid state transitions */
731 void runstate_set(RunState new_state)
732 {
733 assert(new_state < RUN_STATE__MAX);
734
735 if (current_run_state == new_state) {
736 return;
737 }
738
739 if (!runstate_valid_transitions[current_run_state][new_state]) {
740 error_report("invalid runstate transition: '%s' -> '%s'",
741 RunState_str(current_run_state),
742 RunState_str(new_state));
743 abort();
744 }
745 trace_runstate_set(new_state);
746 current_run_state = new_state;
747 }
748
749 int runstate_is_running(void)
750 {
751 return runstate_check(RUN_STATE_RUNNING);
752 }
753
754 bool runstate_needs_reset(void)
755 {
756 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
757 runstate_check(RUN_STATE_SHUTDOWN);
758 }
759
760 StatusInfo *qmp_query_status(Error **errp)
761 {
762 StatusInfo *info = g_malloc0(sizeof(*info));
763
764 info->running = runstate_is_running();
765 info->singlestep = singlestep;
766 info->status = current_run_state;
767
768 return info;
769 }
770
771 bool qemu_vmstop_requested(RunState *r)
772 {
773 qemu_mutex_lock(&vmstop_lock);
774 *r = vmstop_requested;
775 vmstop_requested = RUN_STATE__MAX;
776 qemu_mutex_unlock(&vmstop_lock);
777 return *r < RUN_STATE__MAX;
778 }
779
780 void qemu_system_vmstop_request_prepare(void)
781 {
782 qemu_mutex_lock(&vmstop_lock);
783 }
784
785 void qemu_system_vmstop_request(RunState state)
786 {
787 vmstop_requested = state;
788 qemu_mutex_unlock(&vmstop_lock);
789 qemu_notify_event();
790 }
791
792 /***********************************************************/
793 /* real time host monotonic timer */
794
795 static time_t qemu_time(void)
796 {
797 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
798 }
799
800 /***********************************************************/
801 /* host time/date access */
802 void qemu_get_timedate(struct tm *tm, int offset)
803 {
804 time_t ti = qemu_time();
805
806 ti += offset;
807 if (rtc_date_offset == -1) {
808 if (rtc_utc)
809 gmtime_r(&ti, tm);
810 else
811 localtime_r(&ti, tm);
812 } else {
813 ti -= rtc_date_offset;
814 gmtime_r(&ti, tm);
815 }
816 }
817
818 int qemu_timedate_diff(struct tm *tm)
819 {
820 time_t seconds;
821
822 if (rtc_date_offset == -1)
823 if (rtc_utc)
824 seconds = mktimegm(tm);
825 else {
826 struct tm tmp = *tm;
827 tmp.tm_isdst = -1; /* use timezone to figure it out */
828 seconds = mktime(&tmp);
829 }
830 else
831 seconds = mktimegm(tm) + rtc_date_offset;
832
833 return seconds - qemu_time();
834 }
835
836 static void configure_rtc_date_offset(const char *startdate, int legacy)
837 {
838 time_t rtc_start_date;
839 struct tm tm;
840
841 if (!strcmp(startdate, "now") && legacy) {
842 rtc_date_offset = -1;
843 } else {
844 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
845 &tm.tm_year,
846 &tm.tm_mon,
847 &tm.tm_mday,
848 &tm.tm_hour,
849 &tm.tm_min,
850 &tm.tm_sec) == 6) {
851 /* OK */
852 } else if (sscanf(startdate, "%d-%d-%d",
853 &tm.tm_year,
854 &tm.tm_mon,
855 &tm.tm_mday) == 3) {
856 tm.tm_hour = 0;
857 tm.tm_min = 0;
858 tm.tm_sec = 0;
859 } else {
860 goto date_fail;
861 }
862 tm.tm_year -= 1900;
863 tm.tm_mon--;
864 rtc_start_date = mktimegm(&tm);
865 if (rtc_start_date == -1) {
866 date_fail:
867 error_report("invalid date format");
868 error_printf("valid formats: "
869 "'2006-06-17T16:01:21' or '2006-06-17'\n");
870 exit(1);
871 }
872 rtc_date_offset = qemu_time() - rtc_start_date;
873 }
874 }
875
876 static void configure_rtc(QemuOpts *opts)
877 {
878 const char *value;
879
880 value = qemu_opt_get(opts, "base");
881 if (value) {
882 if (!strcmp(value, "utc")) {
883 rtc_utc = 1;
884 } else if (!strcmp(value, "localtime")) {
885 Error *blocker = NULL;
886 rtc_utc = 0;
887 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
888 "-rtc base=localtime");
889 replay_add_blocker(blocker);
890 } else {
891 configure_rtc_date_offset(value, 0);
892 }
893 }
894 value = qemu_opt_get(opts, "clock");
895 if (value) {
896 if (!strcmp(value, "host")) {
897 rtc_clock = QEMU_CLOCK_HOST;
898 } else if (!strcmp(value, "rt")) {
899 rtc_clock = QEMU_CLOCK_REALTIME;
900 } else if (!strcmp(value, "vm")) {
901 rtc_clock = QEMU_CLOCK_VIRTUAL;
902 } else {
903 error_report("invalid option value '%s'", value);
904 exit(1);
905 }
906 }
907 value = qemu_opt_get(opts, "driftfix");
908 if (value) {
909 if (!strcmp(value, "slew")) {
910 static GlobalProperty slew_lost_ticks = {
911 .driver = "mc146818rtc",
912 .property = "lost_tick_policy",
913 .value = "slew",
914 };
915
916 qdev_prop_register_global(&slew_lost_ticks);
917 } else if (!strcmp(value, "none")) {
918 /* discard is default */
919 } else {
920 error_report("invalid option value '%s'", value);
921 exit(1);
922 }
923 }
924 }
925
926 /***********************************************************/
927 /* Bluetooth support */
928 static int nb_hcis;
929 static int cur_hci;
930 static struct HCIInfo *hci_table[MAX_NICS];
931
932 struct HCIInfo *qemu_next_hci(void)
933 {
934 if (cur_hci == nb_hcis)
935 return &null_hci;
936
937 return hci_table[cur_hci++];
938 }
939
940 static int bt_hci_parse(const char *str)
941 {
942 struct HCIInfo *hci;
943 bdaddr_t bdaddr;
944
945 if (nb_hcis >= MAX_NICS) {
946 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
947 return -1;
948 }
949
950 hci = hci_init(str);
951 if (!hci)
952 return -1;
953
954 bdaddr.b[0] = 0x52;
955 bdaddr.b[1] = 0x54;
956 bdaddr.b[2] = 0x00;
957 bdaddr.b[3] = 0x12;
958 bdaddr.b[4] = 0x34;
959 bdaddr.b[5] = 0x56 + nb_hcis;
960 hci->bdaddr_set(hci, bdaddr.b);
961
962 hci_table[nb_hcis++] = hci;
963
964 return 0;
965 }
966
967 static void bt_vhci_add(int vlan_id)
968 {
969 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
970
971 if (!vlan->slave)
972 warn_report("adding a VHCI to an empty scatternet %i",
973 vlan_id);
974
975 bt_vhci_init(bt_new_hci(vlan));
976 }
977
978 static struct bt_device_s *bt_device_add(const char *opt)
979 {
980 struct bt_scatternet_s *vlan;
981 int vlan_id = 0;
982 char *endp = strstr(opt, ",vlan=");
983 int len = (endp ? endp - opt : strlen(opt)) + 1;
984 char devname[10];
985
986 pstrcpy(devname, MIN(sizeof(devname), len), opt);
987
988 if (endp) {
989 vlan_id = strtol(endp + 6, &endp, 0);
990 if (*endp) {
991 error_report("unrecognised bluetooth vlan Id");
992 return 0;
993 }
994 }
995
996 vlan = qemu_find_bt_vlan(vlan_id);
997
998 if (!vlan->slave)
999 warn_report("adding a slave device to an empty scatternet %i",
1000 vlan_id);
1001
1002 if (!strcmp(devname, "keyboard"))
1003 return bt_keyboard_init(vlan);
1004
1005 error_report("unsupported bluetooth device '%s'", devname);
1006 return 0;
1007 }
1008
1009 static int bt_parse(const char *opt)
1010 {
1011 const char *endp, *p;
1012 int vlan;
1013
1014 if (strstart(opt, "hci", &endp)) {
1015 if (!*endp || *endp == ',') {
1016 if (*endp)
1017 if (!strstart(endp, ",vlan=", 0))
1018 opt = endp + 1;
1019
1020 return bt_hci_parse(opt);
1021 }
1022 } else if (strstart(opt, "vhci", &endp)) {
1023 if (!*endp || *endp == ',') {
1024 if (*endp) {
1025 if (strstart(endp, ",vlan=", &p)) {
1026 vlan = strtol(p, (char **) &endp, 0);
1027 if (*endp) {
1028 error_report("bad scatternet '%s'", p);
1029 return 1;
1030 }
1031 } else {
1032 error_report("bad parameter '%s'", endp + 1);
1033 return 1;
1034 }
1035 } else
1036 vlan = 0;
1037
1038 bt_vhci_add(vlan);
1039 return 0;
1040 }
1041 } else if (strstart(opt, "device:", &endp))
1042 return !bt_device_add(endp);
1043
1044 error_report("bad bluetooth parameter '%s'", opt);
1045 return 1;
1046 }
1047
1048 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1049 {
1050 const char *proc_name;
1051
1052 if (qemu_opt_get(opts, "debug-threads")) {
1053 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1054 }
1055 qemu_name = qemu_opt_get(opts, "guest");
1056
1057 proc_name = qemu_opt_get(opts, "process");
1058 if (proc_name) {
1059 os_set_proc_name(proc_name);
1060 }
1061
1062 return 0;
1063 }
1064
1065 bool defaults_enabled(void)
1066 {
1067 return has_defaults;
1068 }
1069
1070 #ifndef _WIN32
1071 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1072 {
1073 int fd, dupfd, flags;
1074 int64_t fdset_id;
1075 const char *fd_opaque = NULL;
1076 AddfdInfo *fdinfo;
1077
1078 fd = qemu_opt_get_number(opts, "fd", -1);
1079 fdset_id = qemu_opt_get_number(opts, "set", -1);
1080 fd_opaque = qemu_opt_get(opts, "opaque");
1081
1082 if (fd < 0) {
1083 error_report("fd option is required and must be non-negative");
1084 return -1;
1085 }
1086
1087 if (fd <= STDERR_FILENO) {
1088 error_report("fd cannot be a standard I/O stream");
1089 return -1;
1090 }
1091
1092 /*
1093 * All fds inherited across exec() necessarily have FD_CLOEXEC
1094 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1095 */
1096 flags = fcntl(fd, F_GETFD);
1097 if (flags == -1 || (flags & FD_CLOEXEC)) {
1098 error_report("fd is not valid or already in use");
1099 return -1;
1100 }
1101
1102 if (fdset_id < 0) {
1103 error_report("set option is required and must be non-negative");
1104 return -1;
1105 }
1106
1107 #ifdef F_DUPFD_CLOEXEC
1108 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1109 #else
1110 dupfd = dup(fd);
1111 if (dupfd != -1) {
1112 qemu_set_cloexec(dupfd);
1113 }
1114 #endif
1115 if (dupfd == -1) {
1116 error_report("error duplicating fd: %s", strerror(errno));
1117 return -1;
1118 }
1119
1120 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1121 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1122 &error_abort);
1123 g_free(fdinfo);
1124
1125 return 0;
1126 }
1127
1128 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1129 {
1130 int fd;
1131
1132 fd = qemu_opt_get_number(opts, "fd", -1);
1133 close(fd);
1134
1135 return 0;
1136 }
1137 #endif
1138
1139 /***********************************************************/
1140 /* QEMU Block devices */
1141
1142 #define HD_OPTS "media=disk"
1143 #define CDROM_OPTS "media=cdrom"
1144 #define FD_OPTS ""
1145 #define PFLASH_OPTS ""
1146 #define MTD_OPTS ""
1147 #define SD_OPTS ""
1148
1149 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1150 {
1151 BlockInterfaceType *block_default_type = opaque;
1152
1153 return drive_new(opts, *block_default_type) == NULL;
1154 }
1155
1156 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1157 {
1158 if (qemu_opt_get(opts, "snapshot") == NULL) {
1159 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1160 }
1161 return 0;
1162 }
1163
1164 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1165 int index, const char *optstr)
1166 {
1167 QemuOpts *opts;
1168 DriveInfo *dinfo;
1169
1170 if (!enable || drive_get_by_index(type, index)) {
1171 return;
1172 }
1173
1174 opts = drive_add(type, index, NULL, optstr);
1175 if (snapshot) {
1176 drive_enable_snapshot(NULL, opts, NULL);
1177 }
1178
1179 dinfo = drive_new(opts, type);
1180 if (!dinfo) {
1181 exit(1);
1182 }
1183 dinfo->is_default = true;
1184
1185 }
1186
1187 static QemuOptsList qemu_smp_opts = {
1188 .name = "smp-opts",
1189 .implied_opt_name = "cpus",
1190 .merge_lists = true,
1191 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1192 .desc = {
1193 {
1194 .name = "cpus",
1195 .type = QEMU_OPT_NUMBER,
1196 }, {
1197 .name = "sockets",
1198 .type = QEMU_OPT_NUMBER,
1199 }, {
1200 .name = "cores",
1201 .type = QEMU_OPT_NUMBER,
1202 }, {
1203 .name = "threads",
1204 .type = QEMU_OPT_NUMBER,
1205 }, {
1206 .name = "maxcpus",
1207 .type = QEMU_OPT_NUMBER,
1208 },
1209 { /*End of list */ }
1210 },
1211 };
1212
1213 static void smp_parse(QemuOpts *opts)
1214 {
1215 if (opts) {
1216 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1217 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1218 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1219 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1220
1221 /* compute missing values, prefer sockets over cores over threads */
1222 if (cpus == 0 || sockets == 0) {
1223 sockets = sockets > 0 ? sockets : 1;
1224 cores = cores > 0 ? cores : 1;
1225 threads = threads > 0 ? threads : 1;
1226 if (cpus == 0) {
1227 cpus = cores * threads * sockets;
1228 }
1229 } else if (cores == 0) {
1230 threads = threads > 0 ? threads : 1;
1231 cores = cpus / (sockets * threads);
1232 cores = cores > 0 ? cores : 1;
1233 } else if (threads == 0) {
1234 threads = cpus / (cores * sockets);
1235 threads = threads > 0 ? threads : 1;
1236 } else if (sockets * cores * threads < cpus) {
1237 error_report("cpu topology: "
1238 "sockets (%u) * cores (%u) * threads (%u) < "
1239 "smp_cpus (%u)",
1240 sockets, cores, threads, cpus);
1241 exit(1);
1242 }
1243
1244 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1245
1246 if (max_cpus < cpus) {
1247 error_report("maxcpus must be equal to or greater than smp");
1248 exit(1);
1249 }
1250
1251 if (sockets * cores * threads > max_cpus) {
1252 error_report("cpu topology: "
1253 "sockets (%u) * cores (%u) * threads (%u) > "
1254 "maxcpus (%u)",
1255 sockets, cores, threads, max_cpus);
1256 exit(1);
1257 }
1258
1259 smp_cpus = cpus;
1260 smp_cores = cores;
1261 smp_threads = threads;
1262 }
1263
1264 if (smp_cpus > 1) {
1265 Error *blocker = NULL;
1266 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1267 replay_add_blocker(blocker);
1268 }
1269 }
1270
1271 static void realtime_init(void)
1272 {
1273 if (enable_mlock) {
1274 if (os_mlock() < 0) {
1275 error_report("locking memory failed");
1276 exit(1);
1277 }
1278 }
1279 }
1280
1281
1282 static void configure_msg(QemuOpts *opts)
1283 {
1284 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1285 }
1286
1287 /***********************************************************/
1288 /* Semihosting */
1289
1290 typedef struct SemihostingConfig {
1291 bool enabled;
1292 SemihostingTarget target;
1293 const char **argv;
1294 int argc;
1295 const char *cmdline; /* concatenated argv */
1296 } SemihostingConfig;
1297
1298 static SemihostingConfig semihosting;
1299
1300 bool semihosting_enabled(void)
1301 {
1302 return semihosting.enabled;
1303 }
1304
1305 SemihostingTarget semihosting_get_target(void)
1306 {
1307 return semihosting.target;
1308 }
1309
1310 const char *semihosting_get_arg(int i)
1311 {
1312 if (i >= semihosting.argc) {
1313 return NULL;
1314 }
1315 return semihosting.argv[i];
1316 }
1317
1318 int semihosting_get_argc(void)
1319 {
1320 return semihosting.argc;
1321 }
1322
1323 const char *semihosting_get_cmdline(void)
1324 {
1325 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1326 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1327 }
1328 return semihosting.cmdline;
1329 }
1330
1331 static int add_semihosting_arg(void *opaque,
1332 const char *name, const char *val,
1333 Error **errp)
1334 {
1335 SemihostingConfig *s = opaque;
1336 if (strcmp(name, "arg") == 0) {
1337 s->argc++;
1338 /* one extra element as g_strjoinv() expects NULL-terminated array */
1339 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1340 s->argv[s->argc - 1] = val;
1341 s->argv[s->argc] = NULL;
1342 }
1343 return 0;
1344 }
1345
1346 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1347 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1348 {
1349 char *cmd_token;
1350
1351 /* argv[0] */
1352 add_semihosting_arg(&semihosting, "arg", file, NULL);
1353
1354 /* split -append and initialize argv[1..n] */
1355 cmd_token = strtok(g_strdup(cmd), " ");
1356 while (cmd_token) {
1357 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1358 cmd_token = strtok(NULL, " ");
1359 }
1360 }
1361
1362 /* Now we still need this for compatibility with XEN. */
1363 bool has_igd_gfx_passthru;
1364 static void igd_gfx_passthru(void)
1365 {
1366 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1367 }
1368
1369 /***********************************************************/
1370 /* USB devices */
1371
1372 static int usb_device_add(const char *devname)
1373 {
1374 USBDevice *dev = NULL;
1375
1376 if (!machine_usb(current_machine)) {
1377 return -1;
1378 }
1379
1380 dev = usbdevice_create(devname);
1381 if (!dev)
1382 return -1;
1383
1384 return 0;
1385 }
1386
1387 static int usb_parse(const char *cmdline)
1388 {
1389 int r;
1390 r = usb_device_add(cmdline);
1391 if (r < 0) {
1392 error_report("could not add USB device '%s'", cmdline);
1393 }
1394 return r;
1395 }
1396
1397 /***********************************************************/
1398 /* machine registration */
1399
1400 MachineState *current_machine;
1401
1402 static MachineClass *find_machine(const char *name)
1403 {
1404 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1405 MachineClass *mc = NULL;
1406
1407 for (el = machines; el; el = el->next) {
1408 MachineClass *temp = el->data;
1409
1410 if (!strcmp(temp->name, name)) {
1411 mc = temp;
1412 break;
1413 }
1414 if (temp->alias &&
1415 !strcmp(temp->alias, name)) {
1416 mc = temp;
1417 break;
1418 }
1419 }
1420
1421 g_slist_free(machines);
1422 return mc;
1423 }
1424
1425 MachineClass *find_default_machine(void)
1426 {
1427 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1428 MachineClass *mc = NULL;
1429
1430 for (el = machines; el; el = el->next) {
1431 MachineClass *temp = el->data;
1432
1433 if (temp->is_default) {
1434 mc = temp;
1435 break;
1436 }
1437 }
1438
1439 g_slist_free(machines);
1440 return mc;
1441 }
1442
1443 MachineInfoList *qmp_query_machines(Error **errp)
1444 {
1445 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1446 MachineInfoList *mach_list = NULL;
1447
1448 for (el = machines; el; el = el->next) {
1449 MachineClass *mc = el->data;
1450 MachineInfoList *entry;
1451 MachineInfo *info;
1452
1453 info = g_malloc0(sizeof(*info));
1454 if (mc->is_default) {
1455 info->has_is_default = true;
1456 info->is_default = true;
1457 }
1458
1459 if (mc->alias) {
1460 info->has_alias = true;
1461 info->alias = g_strdup(mc->alias);
1462 }
1463
1464 info->name = g_strdup(mc->name);
1465 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1466 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1467
1468 entry = g_malloc0(sizeof(*entry));
1469 entry->value = info;
1470 entry->next = mach_list;
1471 mach_list = entry;
1472 }
1473
1474 g_slist_free(machines);
1475 return mach_list;
1476 }
1477
1478 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1479 {
1480 ObjectProperty *prop;
1481 ObjectPropertyIterator iter;
1482
1483 if (!qemu_opt_has_help_opt(opts)) {
1484 return 0;
1485 }
1486
1487 object_property_iter_init(&iter, OBJECT(machine));
1488 while ((prop = object_property_iter_next(&iter))) {
1489 if (!prop->set) {
1490 continue;
1491 }
1492
1493 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1494 prop->name, prop->type);
1495 if (prop->description) {
1496 error_printf(" (%s)\n", prop->description);
1497 } else {
1498 error_printf("\n");
1499 }
1500 }
1501
1502 return 1;
1503 }
1504
1505 /***********************************************************/
1506 /* main execution loop */
1507
1508 struct vm_change_state_entry {
1509 VMChangeStateHandler *cb;
1510 void *opaque;
1511 QLIST_ENTRY (vm_change_state_entry) entries;
1512 };
1513
1514 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1515
1516 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1517 void *opaque)
1518 {
1519 VMChangeStateEntry *e;
1520
1521 e = g_malloc0(sizeof (*e));
1522
1523 e->cb = cb;
1524 e->opaque = opaque;
1525 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1526 return e;
1527 }
1528
1529 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1530 {
1531 QLIST_REMOVE (e, entries);
1532 g_free (e);
1533 }
1534
1535 void vm_state_notify(int running, RunState state)
1536 {
1537 VMChangeStateEntry *e, *next;
1538
1539 trace_vm_state_notify(running, state);
1540
1541 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1542 e->cb(e->opaque, running, state);
1543 }
1544 }
1545
1546 static ShutdownCause reset_requested;
1547 static ShutdownCause shutdown_requested;
1548 static int shutdown_signal;
1549 static pid_t shutdown_pid;
1550 static int powerdown_requested;
1551 static int debug_requested;
1552 static int suspend_requested;
1553 static bool preconfig_exit_requested = true;
1554 static WakeupReason wakeup_reason;
1555 static NotifierList powerdown_notifiers =
1556 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1557 static NotifierList suspend_notifiers =
1558 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1559 static NotifierList wakeup_notifiers =
1560 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1561 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1562
1563 ShutdownCause qemu_shutdown_requested_get(void)
1564 {
1565 return shutdown_requested;
1566 }
1567
1568 ShutdownCause qemu_reset_requested_get(void)
1569 {
1570 return reset_requested;
1571 }
1572
1573 static int qemu_shutdown_requested(void)
1574 {
1575 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1576 }
1577
1578 static void qemu_kill_report(void)
1579 {
1580 if (!qtest_driver() && shutdown_signal) {
1581 if (shutdown_pid == 0) {
1582 /* This happens for eg ^C at the terminal, so it's worth
1583 * avoiding printing an odd message in that case.
1584 */
1585 error_report("terminating on signal %d", shutdown_signal);
1586 } else {
1587 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1588
1589 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1590 shutdown_signal, shutdown_pid,
1591 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1592 g_free(shutdown_cmd);
1593 }
1594 shutdown_signal = 0;
1595 }
1596 }
1597
1598 static ShutdownCause qemu_reset_requested(void)
1599 {
1600 ShutdownCause r = reset_requested;
1601
1602 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1603 reset_requested = SHUTDOWN_CAUSE_NONE;
1604 return r;
1605 }
1606 return SHUTDOWN_CAUSE_NONE;
1607 }
1608
1609 static int qemu_suspend_requested(void)
1610 {
1611 int r = suspend_requested;
1612 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1613 suspend_requested = 0;
1614 return r;
1615 }
1616 return false;
1617 }
1618
1619 static WakeupReason qemu_wakeup_requested(void)
1620 {
1621 return wakeup_reason;
1622 }
1623
1624 static int qemu_powerdown_requested(void)
1625 {
1626 int r = powerdown_requested;
1627 powerdown_requested = 0;
1628 return r;
1629 }
1630
1631 static int qemu_debug_requested(void)
1632 {
1633 int r = debug_requested;
1634 debug_requested = 0;
1635 return r;
1636 }
1637
1638 void qemu_exit_preconfig_request(void)
1639 {
1640 preconfig_exit_requested = true;
1641 }
1642
1643 /*
1644 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1645 */
1646 void qemu_system_reset(ShutdownCause reason)
1647 {
1648 MachineClass *mc;
1649
1650 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1651
1652 cpu_synchronize_all_states();
1653
1654 if (mc && mc->reset) {
1655 mc->reset();
1656 } else {
1657 qemu_devices_reset();
1658 }
1659 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1660 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1661 &error_abort);
1662 }
1663 cpu_synchronize_all_post_reset();
1664 }
1665
1666 void qemu_system_guest_panicked(GuestPanicInformation *info)
1667 {
1668 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1669
1670 if (current_cpu) {
1671 current_cpu->crash_occurred = true;
1672 }
1673 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1674 !!info, info, &error_abort);
1675 vm_stop(RUN_STATE_GUEST_PANICKED);
1676 if (!no_shutdown) {
1677 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1678 !!info, info, &error_abort);
1679 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1680 }
1681
1682 if (info) {
1683 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1684 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1685 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1686 info->u.hyper_v.arg1,
1687 info->u.hyper_v.arg2,
1688 info->u.hyper_v.arg3,
1689 info->u.hyper_v.arg4,
1690 info->u.hyper_v.arg5);
1691 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1692 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1693 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1694 info->u.s390.core,
1695 S390CrashReason_str(info->u.s390.reason),
1696 info->u.s390.psw_mask,
1697 info->u.s390.psw_addr);
1698 }
1699 qapi_free_GuestPanicInformation(info);
1700 }
1701 }
1702
1703 void qemu_system_reset_request(ShutdownCause reason)
1704 {
1705 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1706 shutdown_requested = reason;
1707 } else {
1708 reset_requested = reason;
1709 }
1710 cpu_stop_current();
1711 qemu_notify_event();
1712 }
1713
1714 static void qemu_system_suspend(void)
1715 {
1716 pause_all_vcpus();
1717 notifier_list_notify(&suspend_notifiers, NULL);
1718 runstate_set(RUN_STATE_SUSPENDED);
1719 qapi_event_send_suspend(&error_abort);
1720 }
1721
1722 void qemu_system_suspend_request(void)
1723 {
1724 if (runstate_check(RUN_STATE_SUSPENDED)) {
1725 return;
1726 }
1727 suspend_requested = 1;
1728 cpu_stop_current();
1729 qemu_notify_event();
1730 }
1731
1732 void qemu_register_suspend_notifier(Notifier *notifier)
1733 {
1734 notifier_list_add(&suspend_notifiers, notifier);
1735 }
1736
1737 void qemu_system_wakeup_request(WakeupReason reason)
1738 {
1739 trace_system_wakeup_request(reason);
1740
1741 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1742 return;
1743 }
1744 if (!(wakeup_reason_mask & (1 << reason))) {
1745 return;
1746 }
1747 runstate_set(RUN_STATE_RUNNING);
1748 wakeup_reason = reason;
1749 qemu_notify_event();
1750 }
1751
1752 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1753 {
1754 if (enabled) {
1755 wakeup_reason_mask |= (1 << reason);
1756 } else {
1757 wakeup_reason_mask &= ~(1 << reason);
1758 }
1759 }
1760
1761 void qemu_register_wakeup_notifier(Notifier *notifier)
1762 {
1763 notifier_list_add(&wakeup_notifiers, notifier);
1764 }
1765
1766 void qemu_system_killed(int signal, pid_t pid)
1767 {
1768 shutdown_signal = signal;
1769 shutdown_pid = pid;
1770 no_shutdown = 0;
1771
1772 /* Cannot call qemu_system_shutdown_request directly because
1773 * we are in a signal handler.
1774 */
1775 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1776 qemu_notify_event();
1777 }
1778
1779 void qemu_system_shutdown_request(ShutdownCause reason)
1780 {
1781 trace_qemu_system_shutdown_request(reason);
1782 replay_shutdown_request(reason);
1783 shutdown_requested = reason;
1784 qemu_notify_event();
1785 }
1786
1787 static void qemu_system_powerdown(void)
1788 {
1789 qapi_event_send_powerdown(&error_abort);
1790 notifier_list_notify(&powerdown_notifiers, NULL);
1791 }
1792
1793 void qemu_system_powerdown_request(void)
1794 {
1795 trace_qemu_system_powerdown_request();
1796 powerdown_requested = 1;
1797 qemu_notify_event();
1798 }
1799
1800 void qemu_register_powerdown_notifier(Notifier *notifier)
1801 {
1802 notifier_list_add(&powerdown_notifiers, notifier);
1803 }
1804
1805 void qemu_system_debug_request(void)
1806 {
1807 debug_requested = 1;
1808 qemu_notify_event();
1809 }
1810
1811 static bool main_loop_should_exit(void)
1812 {
1813 RunState r;
1814 ShutdownCause request;
1815
1816 if (preconfig_exit_requested) {
1817 if (runstate_check(RUN_STATE_PRECONFIG)) {
1818 runstate_set(RUN_STATE_PRELAUNCH);
1819 }
1820 preconfig_exit_requested = false;
1821 return true;
1822 }
1823 if (qemu_debug_requested()) {
1824 vm_stop(RUN_STATE_DEBUG);
1825 }
1826 if (qemu_suspend_requested()) {
1827 qemu_system_suspend();
1828 }
1829 request = qemu_shutdown_requested();
1830 if (request) {
1831 qemu_kill_report();
1832 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1833 &error_abort);
1834 if (no_shutdown) {
1835 vm_stop(RUN_STATE_SHUTDOWN);
1836 } else {
1837 return true;
1838 }
1839 }
1840 request = qemu_reset_requested();
1841 if (request) {
1842 pause_all_vcpus();
1843 qemu_system_reset(request);
1844 resume_all_vcpus();
1845 if (!runstate_check(RUN_STATE_RUNNING) &&
1846 !runstate_check(RUN_STATE_INMIGRATE)) {
1847 runstate_set(RUN_STATE_PRELAUNCH);
1848 }
1849 }
1850 if (qemu_wakeup_requested()) {
1851 pause_all_vcpus();
1852 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1853 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1854 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1855 resume_all_vcpus();
1856 qapi_event_send_wakeup(&error_abort);
1857 }
1858 if (qemu_powerdown_requested()) {
1859 qemu_system_powerdown();
1860 }
1861 if (qemu_vmstop_requested(&r)) {
1862 vm_stop(r);
1863 }
1864 return false;
1865 }
1866
1867 static void main_loop(void)
1868 {
1869 #ifdef CONFIG_PROFILER
1870 int64_t ti;
1871 #endif
1872 while (!main_loop_should_exit()) {
1873 #ifdef CONFIG_PROFILER
1874 ti = profile_getclock();
1875 #endif
1876 main_loop_wait(false);
1877 #ifdef CONFIG_PROFILER
1878 dev_time += profile_getclock() - ti;
1879 #endif
1880 }
1881 }
1882
1883 static void version(void)
1884 {
1885 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1886 QEMU_COPYRIGHT "\n");
1887 }
1888
1889 static void QEMU_NORETURN help(int exitcode)
1890 {
1891 version();
1892 printf("usage: %s [options] [disk_image]\n\n"
1893 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1894 error_get_progname());
1895
1896 #define QEMU_OPTIONS_GENERATE_HELP
1897 #include "qemu-options-wrapper.h"
1898
1899 printf("\nDuring emulation, the following keys are useful:\n"
1900 "ctrl-alt-f toggle full screen\n"
1901 "ctrl-alt-n switch to virtual console 'n'\n"
1902 "ctrl-alt toggle mouse and keyboard grab\n"
1903 "\n"
1904 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1905 "\n"
1906 QEMU_HELP_BOTTOM "\n");
1907
1908 exit(exitcode);
1909 }
1910
1911 #define HAS_ARG 0x0001
1912
1913 typedef struct QEMUOption {
1914 const char *name;
1915 int flags;
1916 int index;
1917 uint32_t arch_mask;
1918 } QEMUOption;
1919
1920 static const QEMUOption qemu_options[] = {
1921 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1922 #define QEMU_OPTIONS_GENERATE_OPTIONS
1923 #include "qemu-options-wrapper.h"
1924 { NULL },
1925 };
1926
1927 typedef struct VGAInterfaceInfo {
1928 const char *opt_name; /* option name */
1929 const char *name; /* human-readable name */
1930 /* Class names indicating that support is available.
1931 * If no class is specified, the interface is always available */
1932 const char *class_names[2];
1933 } VGAInterfaceInfo;
1934
1935 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1936 [VGA_NONE] = {
1937 .opt_name = "none",
1938 },
1939 [VGA_STD] = {
1940 .opt_name = "std",
1941 .name = "standard VGA",
1942 .class_names = { "VGA", "isa-vga" },
1943 },
1944 [VGA_CIRRUS] = {
1945 .opt_name = "cirrus",
1946 .name = "Cirrus VGA",
1947 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1948 },
1949 [VGA_VMWARE] = {
1950 .opt_name = "vmware",
1951 .name = "VMWare SVGA",
1952 .class_names = { "vmware-svga" },
1953 },
1954 [VGA_VIRTIO] = {
1955 .opt_name = "virtio",
1956 .name = "Virtio VGA",
1957 .class_names = { "virtio-vga" },
1958 },
1959 [VGA_QXL] = {
1960 .opt_name = "qxl",
1961 .name = "QXL VGA",
1962 .class_names = { "qxl-vga" },
1963 },
1964 [VGA_TCX] = {
1965 .opt_name = "tcx",
1966 .name = "TCX framebuffer",
1967 .class_names = { "SUNW,tcx" },
1968 },
1969 [VGA_CG3] = {
1970 .opt_name = "cg3",
1971 .name = "CG3 framebuffer",
1972 .class_names = { "cgthree" },
1973 },
1974 [VGA_XENFB] = {
1975 .opt_name = "xenfb",
1976 },
1977 };
1978
1979 static bool vga_interface_available(VGAInterfaceType t)
1980 {
1981 VGAInterfaceInfo *ti = &vga_interfaces[t];
1982
1983 assert(t < VGA_TYPE_MAX);
1984 return !ti->class_names[0] ||
1985 object_class_by_name(ti->class_names[0]) ||
1986 object_class_by_name(ti->class_names[1]);
1987 }
1988
1989 static void select_vgahw(const char *p)
1990 {
1991 const char *opts;
1992 int t;
1993
1994 assert(vga_interface_type == VGA_NONE);
1995 for (t = 0; t < VGA_TYPE_MAX; t++) {
1996 VGAInterfaceInfo *ti = &vga_interfaces[t];
1997 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1998 if (!vga_interface_available(t)) {
1999 error_report("%s not available", ti->name);
2000 exit(1);
2001 }
2002 vga_interface_type = t;
2003 break;
2004 }
2005 }
2006 if (t == VGA_TYPE_MAX) {
2007 invalid_vga:
2008 error_report("unknown vga type: %s", p);
2009 exit(1);
2010 }
2011 while (*opts) {
2012 const char *nextopt;
2013
2014 if (strstart(opts, ",retrace=", &nextopt)) {
2015 opts = nextopt;
2016 if (strstart(opts, "dumb", &nextopt))
2017 vga_retrace_method = VGA_RETRACE_DUMB;
2018 else if (strstart(opts, "precise", &nextopt))
2019 vga_retrace_method = VGA_RETRACE_PRECISE;
2020 else goto invalid_vga;
2021 } else goto invalid_vga;
2022 opts = nextopt;
2023 }
2024 }
2025
2026 static void parse_display_qapi(const char *optarg)
2027 {
2028 Error *err = NULL;
2029 DisplayOptions *opts;
2030 Visitor *v;
2031
2032 v = qobject_input_visitor_new_str(optarg, "type", &err);
2033 if (!v) {
2034 error_report_err(err);
2035 exit(1);
2036 }
2037
2038 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2039 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2040
2041 qapi_free_DisplayOptions(opts);
2042 visit_free(v);
2043 }
2044
2045 static void parse_display(const char *p)
2046 {
2047 const char *opts;
2048
2049 if (strstart(p, "sdl", &opts)) {
2050 /*
2051 * sdl DisplayType needs hand-crafted parser instead of
2052 * parse_display_qapi() due to some options not in
2053 * DisplayOptions, specifically:
2054 * - frame
2055 * Already deprecated.
2056 * - ctrl_grab + alt_grab
2057 * Not clear yet what happens to them long-term. Should
2058 * replaced by something better or deprecated and dropped.
2059 */
2060 dpy.type = DISPLAY_TYPE_SDL;
2061 while (*opts) {
2062 const char *nextopt;
2063
2064 if (strstart(opts, ",frame=", &nextopt)) {
2065 g_printerr("The frame= sdl option is deprecated, and will be\n"
2066 "removed in a future release.\n");
2067 opts = nextopt;
2068 if (strstart(opts, "on", &nextopt)) {
2069 no_frame = 0;
2070 } else if (strstart(opts, "off", &nextopt)) {
2071 no_frame = 1;
2072 } else {
2073 goto invalid_sdl_args;
2074 }
2075 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2076 opts = nextopt;
2077 if (strstart(opts, "on", &nextopt)) {
2078 alt_grab = 1;
2079 } else if (strstart(opts, "off", &nextopt)) {
2080 alt_grab = 0;
2081 } else {
2082 goto invalid_sdl_args;
2083 }
2084 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2085 opts = nextopt;
2086 if (strstart(opts, "on", &nextopt)) {
2087 ctrl_grab = 1;
2088 } else if (strstart(opts, "off", &nextopt)) {
2089 ctrl_grab = 0;
2090 } else {
2091 goto invalid_sdl_args;
2092 }
2093 } else if (strstart(opts, ",window_close=", &nextopt)) {
2094 opts = nextopt;
2095 dpy.has_window_close = true;
2096 if (strstart(opts, "on", &nextopt)) {
2097 dpy.window_close = true;
2098 } else if (strstart(opts, "off", &nextopt)) {
2099 dpy.window_close = false;
2100 } else {
2101 goto invalid_sdl_args;
2102 }
2103 } else if (strstart(opts, ",gl=", &nextopt)) {
2104 opts = nextopt;
2105 dpy.has_gl = true;
2106 if (strstart(opts, "on", &nextopt)) {
2107 dpy.gl = DISPLAYGL_MODE_ON;
2108 } else if (strstart(opts, "core", &nextopt)) {
2109 dpy.gl = DISPLAYGL_MODE_CORE;
2110 } else if (strstart(opts, "es", &nextopt)) {
2111 dpy.gl = DISPLAYGL_MODE_ES;
2112 } else if (strstart(opts, "off", &nextopt)) {
2113 dpy.gl = DISPLAYGL_MODE_OFF;
2114 } else {
2115 goto invalid_sdl_args;
2116 }
2117 } else {
2118 invalid_sdl_args:
2119 error_report("invalid SDL option string");
2120 exit(1);
2121 }
2122 opts = nextopt;
2123 }
2124 } else if (strstart(p, "vnc", &opts)) {
2125 /*
2126 * vnc isn't a (local) DisplayType but a protocol for remote
2127 * display access.
2128 */
2129 if (*opts == '=') {
2130 vnc_parse(opts + 1, &error_fatal);
2131 } else {
2132 error_report("VNC requires a display argument vnc=<display>");
2133 exit(1);
2134 }
2135 } else {
2136 parse_display_qapi(p);
2137 }
2138 }
2139
2140 static int balloon_parse(const char *arg)
2141 {
2142 QemuOpts *opts;
2143
2144 warn_report("This option is deprecated. "
2145 "Use '--device virtio-balloon' to enable the balloon device.");
2146
2147 if (strcmp(arg, "none") == 0) {
2148 return 0;
2149 }
2150
2151 if (!strncmp(arg, "virtio", 6)) {
2152 if (arg[6] == ',') {
2153 /* have params -> parse them */
2154 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2155 false);
2156 if (!opts)
2157 return -1;
2158 } else {
2159 /* create empty opts */
2160 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2161 &error_abort);
2162 }
2163 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2164 return 0;
2165 }
2166
2167 return -1;
2168 }
2169
2170 #if defined(CONFIG_RUBY)
2171 /* Ruby interface for QEMU. See README.EXT for programming example. */
2172 #warning mit ruby
2173 #include <ruby.h>
2174
2175 static VALUE qemu_open(int argc, VALUE *argv, VALUE klass)
2176 {
2177 int i;
2178 for (i = 0; i < argc; i++) {
2179 argv[i] = StringValue(argv[i]);
2180 fprintf(stderr, "argv[%d] = %s\n", i, StringValuePtr(argv[i]));
2181 }
2182 //~ if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) {
2183 //~ mode = 0666; /* default value */
2184 //~ }
2185 return INT2FIX(argc);
2186 }
2187
2188 void Init_qemu(void)
2189 {
2190 printf("%s\n", __func__);
2191 VALUE cQEMU = rb_define_class("QEMU", rb_cObject);
2192 rb_define_singleton_method(cQEMU, "run", qemu_open, -1);
2193 #if 0
2194 rb_define_method();
2195 #endif
2196 }
2197 #endif /* CONFIG_RUBY */
2198
2199 #if defined(CONFIG_DLL)
2200 BOOL APIENTRY DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID data)
2201 {
2202 return FALSE;
2203 }
2204 #endif /* CONFIG_DLL */
2205
2206 char *qemu_find_file(int type, const char *name)
2207 {
2208 int i;
2209 const char *subdir;
2210 char *buf;
2211
2212 /* Try the name as a straight path first */
2213 if (access(name, R_OK) == 0) {
2214 trace_load_file(name, name);
2215 return g_strdup(name);
2216 }
2217
2218 switch (type) {
2219 case QEMU_FILE_TYPE_BIOS:
2220 subdir = "";
2221 break;
2222 case QEMU_FILE_TYPE_KEYMAP:
2223 subdir = "keymaps/";
2224 break;
2225 default:
2226 abort();
2227 }
2228
2229 for (i = 0; i < data_dir_idx; i++) {
2230 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2231 if (access(buf, R_OK) == 0) {
2232 trace_load_file(name, buf);
2233 return buf;
2234 }
2235 g_free(buf);
2236 }
2237 return NULL;
2238 }
2239
2240 static void qemu_add_data_dir(const char *path)
2241 {
2242 int i;
2243
2244 if (path == NULL) {
2245 return;
2246 }
2247 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2248 return;
2249 }
2250 for (i = 0; i < data_dir_idx; i++) {
2251 if (strcmp(data_dir[i], path) == 0) {
2252 return; /* duplicate */
2253 }
2254 }
2255 data_dir[data_dir_idx++] = g_strdup(path);
2256 }
2257
2258 static inline bool nonempty_str(const char *str)
2259 {
2260 return str && *str;
2261 }
2262
2263 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2264 {
2265 gchar *buf;
2266 size_t size;
2267 const char *name, *file, *str;
2268 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2269
2270 if (fw_cfg == NULL) {
2271 error_report("fw_cfg device not available");
2272 return -1;
2273 }
2274 name = qemu_opt_get(opts, "name");
2275 file = qemu_opt_get(opts, "file");
2276 str = qemu_opt_get(opts, "string");
2277
2278 /* we need name and either a file or the content string */
2279 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2280 error_report("invalid argument(s)");
2281 return -1;
2282 }
2283 if (nonempty_str(file) && nonempty_str(str)) {
2284 error_report("file and string are mutually exclusive");
2285 return -1;
2286 }
2287 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2288 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2289 return -1;
2290 }
2291 if (strncmp(name, "opt/", 4) != 0) {
2292 warn_report("externally provided fw_cfg item names "
2293 "should be prefixed with \"opt/\"");
2294 }
2295 if (nonempty_str(str)) {
2296 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2297 buf = g_memdup(str, size);
2298 } else {
2299 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2300 error_report("can't load %s", file);
2301 return -1;
2302 }
2303 }
2304 /* For legacy, keep user files in a specific global order. */
2305 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2306 fw_cfg_add_file(fw_cfg, name, buf, size);
2307 fw_cfg_reset_order_override(fw_cfg);
2308 return 0;
2309 }
2310
2311 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2312 {
2313 return qdev_device_help(opts);
2314 }
2315
2316 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2317 {
2318 Error *err = NULL;
2319 DeviceState *dev;
2320
2321 dev = qdev_device_add(opts, &err);
2322 if (!dev) {
2323 error_report_err(err);
2324 return -1;
2325 }
2326 object_unref(OBJECT(dev));
2327 return 0;
2328 }
2329
2330 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2331 {
2332 Error *local_err = NULL;
2333
2334 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2335 if (local_err) {
2336 error_report_err(local_err);
2337 return -1;
2338 }
2339 exit(0);
2340 }
2341 return 0;
2342 }
2343
2344 #ifdef CONFIG_VIRTFS
2345 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2346 {
2347 return qemu_fsdev_add(opts);
2348 }
2349 #endif
2350
2351 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2352 {
2353 Chardev *chr;
2354 const char *chardev;
2355 const char *mode;
2356 int flags;
2357
2358 mode = qemu_opt_get(opts, "mode");
2359 if (mode == NULL) {
2360 mode = "readline";
2361 }
2362 if (strcmp(mode, "readline") == 0) {
2363 flags = MONITOR_USE_READLINE;
2364 } else if (strcmp(mode, "control") == 0) {
2365 flags = MONITOR_USE_CONTROL;
2366 } else {
2367 error_report("unknown monitor mode \"%s\"", mode);
2368 exit(1);
2369 }
2370
2371 if (qemu_opt_get_bool(opts, "pretty", 0))
2372 flags |= MONITOR_USE_PRETTY;
2373
2374 /* OOB is off by default */
2375 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2376 flags |= MONITOR_USE_OOB;
2377 }
2378
2379 chardev = qemu_opt_get(opts, "chardev");
2380 chr = qemu_chr_find(chardev);
2381 if (chr == NULL) {
2382 error_report("chardev \"%s\" not found", chardev);
2383 exit(1);
2384 }
2385
2386 monitor_init(chr, flags);
2387 return 0;
2388 }
2389
2390 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2391 {
2392 static int monitor_device_index = 0;
2393 QemuOpts *opts;
2394 const char *p;
2395 char label[32];
2396
2397 if (strstart(optarg, "chardev:", &p)) {
2398 snprintf(label, sizeof(label), "%s", p);
2399 } else {
2400 snprintf(label, sizeof(label), "compat_monitor%d",
2401 monitor_device_index);
2402 opts = qemu_chr_parse_compat(label, optarg);
2403 if (!opts) {
2404 error_report("parse error: %s", optarg);
2405 exit(1);
2406 }
2407 }
2408
2409 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2410 qemu_opt_set(opts, "mode", mode, &error_abort);
2411 qemu_opt_set(opts, "chardev", label, &error_abort);
2412 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2413 monitor_device_index++;
2414 }
2415
2416 struct device_config {
2417 enum {
2418 DEV_USB, /* -usbdevice */
2419 DEV_BT, /* -bt */
2420 DEV_SERIAL, /* -serial */
2421 DEV_PARALLEL, /* -parallel */
2422 DEV_VIRTCON, /* -virtioconsole */
2423 DEV_DEBUGCON, /* -debugcon */
2424 DEV_GDB, /* -gdb, -s */
2425 DEV_SCLP, /* s390 sclp */
2426 } type;
2427 const char *cmdline;
2428 Location loc;
2429 QTAILQ_ENTRY(device_config) next;
2430 };
2431
2432 static QTAILQ_HEAD(, device_config) device_configs =
2433 QTAILQ_HEAD_INITIALIZER(device_configs);
2434
2435 static void add_device_config(int type, const char *cmdline)
2436 {
2437 struct device_config *conf;
2438
2439 conf = g_malloc0(sizeof(*conf));
2440 conf->type = type;
2441 conf->cmdline = cmdline;
2442 loc_save(&conf->loc);
2443 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2444 }
2445
2446 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2447 {
2448 struct device_config *conf;
2449 int rc;
2450
2451 QTAILQ_FOREACH(conf, &device_configs, next) {
2452 if (conf->type != type)
2453 continue;
2454 loc_push_restore(&conf->loc);
2455 rc = func(conf->cmdline);
2456 loc_pop(&conf->loc);
2457 if (rc) {
2458 return rc;
2459 }
2460 }
2461 return 0;
2462 }
2463
2464 static int serial_parse(const char *devname)
2465 {
2466 int index = num_serial_hds;
2467 char label[32];
2468
2469 if (strcmp(devname, "none") == 0)
2470 return 0;
2471 snprintf(label, sizeof(label), "serial%d", index);
2472 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2473
2474 serial_hds[index] = qemu_chr_new(label, devname);
2475 if (!serial_hds[index]) {
2476 error_report("could not connect serial device"
2477 " to character backend '%s'", devname);
2478 return -1;
2479 }
2480 num_serial_hds++;
2481 return 0;
2482 }
2483
2484 Chardev *serial_hd(int i)
2485 {
2486 assert(i >= 0);
2487 if (i < num_serial_hds) {
2488 return serial_hds[i];
2489 }
2490 return NULL;
2491 }
2492
2493 int serial_max_hds(void)
2494 {
2495 return num_serial_hds;
2496 }
2497
2498 static int parallel_parse(const char *devname)
2499 {
2500 static int index = 0;
2501 char label[32];
2502
2503 if (strcmp(devname, "none") == 0)
2504 return 0;
2505 if (index == MAX_PARALLEL_PORTS) {
2506 error_report("too many parallel ports");
2507 exit(1);
2508 }
2509 snprintf(label, sizeof(label), "parallel%d", index);
2510 parallel_hds[index] = qemu_chr_new(label, devname);
2511 if (!parallel_hds[index]) {
2512 error_report("could not connect parallel device"
2513 " to character backend '%s'", devname);
2514 return -1;
2515 }
2516 index++;
2517 return 0;
2518 }
2519
2520 static int virtcon_parse(const char *devname)
2521 {
2522 QemuOptsList *device = qemu_find_opts("device");
2523 static int index = 0;
2524 char label[32];
2525 QemuOpts *bus_opts, *dev_opts;
2526
2527 if (strcmp(devname, "none") == 0)
2528 return 0;
2529 if (index == MAX_VIRTIO_CONSOLES) {
2530 error_report("too many virtio consoles");
2531 exit(1);
2532 }
2533
2534 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2535 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2536
2537 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2538 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2539
2540 snprintf(label, sizeof(label), "virtcon%d", index);
2541 virtcon_hds[index] = qemu_chr_new(label, devname);
2542 if (!virtcon_hds[index]) {
2543 error_report("could not connect virtio console"
2544 " to character backend '%s'", devname);
2545 return -1;
2546 }
2547 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2548
2549 index++;
2550 return 0;
2551 }
2552
2553 static int debugcon_parse(const char *devname)
2554 {
2555 QemuOpts *opts;
2556
2557 if (!qemu_chr_new("debugcon", devname)) {
2558 exit(1);
2559 }
2560 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2561 if (!opts) {
2562 error_report("already have a debugcon device");
2563 exit(1);
2564 }
2565 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2566 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2567 return 0;
2568 }
2569
2570 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2571 {
2572 const MachineClass *mc1 = a, *mc2 = b;
2573 int res;
2574
2575 if (mc1->family == NULL) {
2576 if (mc2->family == NULL) {
2577 /* Compare standalone machine types against each other; they sort
2578 * in increasing order.
2579 */
2580 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2581 object_class_get_name(OBJECT_CLASS(mc2)));
2582 }
2583
2584 /* Standalone machine types sort after families. */
2585 return 1;
2586 }
2587
2588 if (mc2->family == NULL) {
2589 /* Families sort before standalone machine types. */
2590 return -1;
2591 }
2592
2593 /* Families sort between each other alphabetically increasingly. */
2594 res = strcmp(mc1->family, mc2->family);
2595 if (res != 0) {
2596 return res;
2597 }
2598
2599 /* Within the same family, machine types sort in decreasing order. */
2600 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2601 object_class_get_name(OBJECT_CLASS(mc1)));
2602 }
2603
2604 static MachineClass *machine_parse(const char *name)
2605 {
2606 MachineClass *mc = NULL;
2607 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2608
2609 if (name) {
2610 mc = find_machine(name);
2611 }
2612 if (mc) {
2613 g_slist_free(machines);
2614 return mc;
2615 }
2616 if (name && !is_help_option(name)) {
2617 error_report("unsupported machine type");
2618 error_printf("Use -machine help to list supported machines\n");
2619 } else {
2620 printf("Supported machines are:\n");
2621 machines = g_slist_sort(machines, machine_class_cmp);
2622 for (el = machines; el; el = el->next) {
2623 MachineClass *mc = el->data;
2624 if (mc->alias) {
2625 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2626 }
2627 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2628 mc->is_default ? " (default)" : "",
2629 mc->deprecation_reason ? " (deprecated)" : "");
2630 }
2631 }
2632
2633 g_slist_free(machines);
2634 exit(!name || !is_help_option(name));
2635 }
2636
2637 void qemu_add_exit_notifier(Notifier *notify)
2638 {
2639 notifier_list_add(&exit_notifiers, notify);
2640 }
2641
2642 void qemu_remove_exit_notifier(Notifier *notify)
2643 {
2644 notifier_remove(notify);
2645 }
2646
2647 static void qemu_run_exit_notifiers(void)
2648 {
2649 notifier_list_notify(&exit_notifiers, NULL);
2650 }
2651
2652 bool machine_init_done;
2653
2654 void qemu_add_machine_init_done_notifier(Notifier *notify)
2655 {
2656 notifier_list_add(&machine_init_done_notifiers, notify);
2657 if (machine_init_done) {
2658 notify->notify(notify, NULL);
2659 }
2660 }
2661
2662 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2663 {
2664 notifier_remove(notify);
2665 }
2666
2667 static void qemu_run_machine_init_done_notifiers(void)
2668 {
2669 machine_init_done = true;
2670 notifier_list_notify(&machine_init_done_notifiers, NULL);
2671 }
2672
2673 static const QEMUOption *lookup_opt(int argc, char **argv,
2674 const char **poptarg, int *poptind)
2675 {
2676 const QEMUOption *popt;
2677 int optind = *poptind;
2678 char *r = argv[optind];
2679 const char *optarg;
2680
2681 loc_set_cmdline(argv, optind, 1);
2682 optind++;
2683 /* Treat --foo the same as -foo. */
2684 if (r[1] == '-')
2685 r++;
2686 popt = qemu_options;
2687 for(;;) {
2688 if (!popt->name) {
2689 error_report("invalid option");
2690 exit(1);
2691 }
2692 if (!strcmp(popt->name, r + 1))
2693 break;
2694 popt++;
2695 }
2696 if (popt->flags & HAS_ARG) {
2697 if (optind >= argc) {
2698 error_report("requires an argument");
2699 exit(1);
2700 }
2701 optarg = argv[optind++];
2702 loc_set_cmdline(argv, optind - 2, 2);
2703 } else {
2704 optarg = NULL;
2705 }
2706
2707 *poptarg = optarg;
2708 *poptind = optind;
2709
2710 return popt;
2711 }
2712
2713 static MachineClass *select_machine(void)
2714 {
2715 MachineClass *machine_class = find_default_machine();
2716 const char *optarg;
2717 QemuOpts *opts;
2718 Location loc;
2719
2720 loc_push_none(&loc);
2721
2722 opts = qemu_get_machine_opts();
2723 qemu_opts_loc_restore(opts);
2724
2725 optarg = qemu_opt_get(opts, "type");
2726 if (optarg) {
2727 machine_class = machine_parse(optarg);
2728 }
2729
2730 if (!machine_class) {
2731 error_report("No machine specified, and there is no default");
2732 error_printf("Use -machine help to list supported machines\n");
2733 exit(1);
2734 }
2735
2736 loc_pop(&loc);
2737 return machine_class;
2738 }
2739
2740 static int machine_set_property(void *opaque,
2741 const char *name, const char *value,
2742 Error **errp)
2743 {
2744 Object *obj = OBJECT(opaque);
2745 Error *local_err = NULL;
2746 char *p, *qom_name;
2747
2748 if (strcmp(name, "type") == 0) {
2749 return 0;
2750 }
2751
2752 qom_name = g_strdup(name);
2753 for (p = qom_name; *p; p++) {
2754 if (*p == '_') {
2755 *p = '-';
2756 }
2757 }
2758
2759 object_property_parse(obj, value, qom_name, &local_err);
2760 g_free(qom_name);
2761
2762 if (local_err) {
2763 error_report_err(local_err);
2764 return -1;
2765 }
2766
2767 return 0;
2768 }
2769
2770
2771 /*
2772 * Initial object creation happens before all other
2773 * QEMU data types are created. The majority of objects
2774 * can be created at this point. The rng-egd object
2775 * cannot be created here, as it depends on the chardev
2776 * already existing.
2777 */
2778 static bool object_create_initial(const char *type)
2779 {
2780 if (g_str_equal(type, "rng-egd") ||
2781 g_str_has_prefix(type, "pr-manager-")) {
2782 return false;
2783 }
2784
2785 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2786 if (g_str_equal(type, "cryptodev-vhost-user")) {
2787 return false;
2788 }
2789 #endif
2790
2791 /*
2792 * return false for concrete netfilters since
2793 * they depend on netdevs already existing
2794 */
2795 if (g_str_equal(type, "filter-buffer") ||
2796 g_str_equal(type, "filter-dump") ||
2797 g_str_equal(type, "filter-mirror") ||
2798 g_str_equal(type, "filter-redirector") ||
2799 g_str_equal(type, "colo-compare") ||
2800 g_str_equal(type, "filter-rewriter") ||
2801 g_str_equal(type, "filter-replay")) {
2802 return false;
2803 }
2804
2805 /* Memory allocation by backends needs to be done
2806 * after configure_accelerator() (due to the tcg_enabled()
2807 * checks at memory_region_init_*()).
2808 *
2809 * Also, allocation of large amounts of memory may delay
2810 * chardev initialization for too long, and trigger timeouts
2811 * on software that waits for a monitor socket to be created
2812 * (e.g. libvirt).
2813 */
2814 if (g_str_has_prefix(type, "memory-backend-")) {
2815 return false;
2816 }
2817
2818 return true;
2819 }
2820
2821
2822 /*
2823 * The remainder of object creation happens after the
2824 * creation of chardev, fsdev, net clients and device data types.
2825 */
2826 static bool object_create_delayed(const char *type)
2827 {
2828 return !object_create_initial(type);
2829 }
2830
2831
2832 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2833 MachineClass *mc)
2834 {
2835 uint64_t sz;
2836 const char *mem_str;
2837 const ram_addr_t default_ram_size = mc->default_ram_size;
2838 QemuOpts *opts = qemu_find_opts_singleton("memory");
2839 Location loc;
2840
2841 loc_push_none(&loc);
2842 qemu_opts_loc_restore(opts);
2843
2844 sz = 0;
2845 mem_str = qemu_opt_get(opts, "size");
2846 if (mem_str) {
2847 if (!*mem_str) {
2848 error_report("missing 'size' option value");
2849 exit(EXIT_FAILURE);
2850 }
2851
2852 sz = qemu_opt_get_size(opts, "size", ram_size);
2853
2854 /* Fix up legacy suffix-less format */
2855 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2856 uint64_t overflow_check = sz;
2857
2858 sz *= MiB;
2859 if (sz / MiB != overflow_check) {
2860 error_report("too large 'size' option value");
2861 exit(EXIT_FAILURE);
2862 }
2863 }
2864 }
2865
2866 /* backward compatibility behaviour for case "-m 0" */
2867 if (sz == 0) {
2868 sz = default_ram_size;
2869 }
2870
2871 sz = QEMU_ALIGN_UP(sz, 8192);
2872 ram_size = sz;
2873 if (ram_size != sz) {
2874 error_report("ram size too large");
2875 exit(EXIT_FAILURE);
2876 }
2877
2878 /* store value for the future use */
2879 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2880 *maxram_size = ram_size;
2881
2882 if (qemu_opt_get(opts, "maxmem")) {
2883 uint64_t slots;
2884
2885 sz = qemu_opt_get_size(opts, "maxmem", 0);
2886 slots = qemu_opt_get_number(opts, "slots", 0);
2887 if (sz < ram_size) {
2888 error_report("invalid value of -m option maxmem: "
2889 "maximum memory size (0x%" PRIx64 ") must be at least "
2890 "the initial memory size (0x" RAM_ADDR_FMT ")",
2891 sz, ram_size);
2892 exit(EXIT_FAILURE);
2893 } else if (slots && sz == ram_size) {
2894 error_report("invalid value of -m option maxmem: "
2895 "memory slots were specified but maximum memory size "
2896 "(0x%" PRIx64 ") is equal to the initial memory size "
2897 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2898 exit(EXIT_FAILURE);
2899 }
2900
2901 *maxram_size = sz;
2902 *ram_slots = slots;
2903 } else if (qemu_opt_get(opts, "slots")) {
2904 error_report("invalid -m option value: missing 'maxmem' option");
2905 exit(EXIT_FAILURE);
2906 }
2907
2908 loc_pop(&loc);
2909 }
2910
2911 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2912 {
2913 GlobalProperty *g;
2914
2915 g = g_malloc0(sizeof(*g));
2916 g->driver = qemu_opt_get(opts, "driver");
2917 g->property = qemu_opt_get(opts, "property");
2918 g->value = qemu_opt_get(opts, "value");
2919 g->user_provided = true;
2920 g->errp = &error_fatal;
2921 qdev_prop_register_global(g);
2922 return 0;
2923 }
2924
2925 static int qemu_read_default_config_file(void)
2926 {
2927 int ret;
2928
2929 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2930 if (ret < 0 && ret != -ENOENT) {
2931 return ret;
2932 }
2933
2934 return 0;
2935 }
2936
2937 static void user_register_global_props(void)
2938 {
2939 qemu_opts_foreach(qemu_find_opts("global"),
2940 global_init_func, NULL, NULL);
2941 }
2942
2943 /*
2944 * Note: we should see that these properties are actually having a
2945 * priority: accel < machine < user. This means e.g. when user
2946 * specifies something in "-global", it'll always be used with highest
2947 * priority than either machine/accelerator compat properties.
2948 */
2949 static void register_global_properties(MachineState *ms)
2950 {
2951 accel_register_compat_props(ms->accelerator);
2952 machine_register_compat_props(ms);
2953 user_register_global_props();
2954 }
2955
2956 int main(int argc, char **argv)
2957 {
2958 int i;
2959 int snapshot, linux_boot;
2960 const char *initrd_filename;
2961 const char *kernel_filename, *kernel_cmdline;
2962 const char *boot_order = NULL;
2963 const char *boot_once = NULL;
2964 DisplayState *ds;
2965 QemuOpts *opts, *machine_opts;
2966 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2967 QemuOptsList *olist;
2968 int optind;
2969 const char *optarg;
2970 const char *loadvm = NULL;
2971 MachineClass *machine_class;
2972 const char *cpu_model;
2973 const char *vga_model = NULL;
2974 const char *qtest_chrdev = NULL;
2975 const char *qtest_log = NULL;
2976 const char *pid_file = NULL;
2977 const char *incoming = NULL;
2978 bool userconfig = true;
2979 bool nographic = false;
2980 int display_remote = 0;
2981 const char *log_mask = NULL;
2982 const char *log_file = NULL;
2983 char *trace_file = NULL;
2984 ram_addr_t maxram_size;
2985 uint64_t ram_slots = 0;
2986 FILE *vmstate_dump_file = NULL;
2987 Error *main_loop_err = NULL;
2988 Error *err = NULL;
2989 bool list_data_dirs = false;
2990 char *dir, **dirs;
2991 typedef struct BlockdevOptions_queue {
2992 BlockdevOptions *bdo;
2993 Location loc;
2994 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2995 } BlockdevOptions_queue;
2996 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2997 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2998
2999 module_call_init(MODULE_INIT_TRACE);
3000
3001 qemu_init_cpu_list();
3002 qemu_init_cpu_loop();
3003
3004 qemu_mutex_lock_iothread();
3005
3006 atexit(qemu_run_exit_notifiers);
3007 error_set_progname(argv[0]);
3008 qemu_init_exec_dir(argv[0]);
3009
3010 module_call_init(MODULE_INIT_QOM);
3011
3012 qemu_add_opts(&qemu_drive_opts);
3013 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3014 qemu_add_drive_opts(&qemu_common_drive_opts);
3015 qemu_add_drive_opts(&qemu_drive_opts);
3016 qemu_add_drive_opts(&bdrv_runtime_opts);
3017 qemu_add_opts(&qemu_chardev_opts);
3018 qemu_add_opts(&qemu_device_opts);
3019 qemu_add_opts(&qemu_netdev_opts);
3020 qemu_add_opts(&qemu_nic_opts);
3021 qemu_add_opts(&qemu_net_opts);
3022 qemu_add_opts(&qemu_rtc_opts);
3023 qemu_add_opts(&qemu_global_opts);
3024 qemu_add_opts(&qemu_mon_opts);
3025 qemu_add_opts(&qemu_trace_opts);
3026 qemu_add_opts(&qemu_option_rom_opts);
3027 qemu_add_opts(&qemu_machine_opts);
3028 qemu_add_opts(&qemu_accel_opts);
3029 qemu_add_opts(&qemu_mem_opts);
3030 qemu_add_opts(&qemu_smp_opts);
3031 qemu_add_opts(&qemu_boot_opts);
3032 qemu_add_opts(&qemu_add_fd_opts);
3033 qemu_add_opts(&qemu_object_opts);
3034 qemu_add_opts(&qemu_tpmdev_opts);
3035 qemu_add_opts(&qemu_realtime_opts);
3036 qemu_add_opts(&qemu_msg_opts);
3037 qemu_add_opts(&qemu_name_opts);
3038 qemu_add_opts(&qemu_numa_opts);
3039 qemu_add_opts(&qemu_icount_opts);
3040 qemu_add_opts(&qemu_semihosting_config_opts);
3041 qemu_add_opts(&qemu_fw_cfg_opts);
3042 module_call_init(MODULE_INIT_OPTS);
3043
3044 runstate_init();
3045 postcopy_infrastructure_init();
3046 monitor_init_globals();
3047
3048 if (qcrypto_init(&err) < 0) {
3049 error_reportf_err(err, "cannot initialize crypto: ");
3050 exit(1);
3051 }
3052 rtc_clock = QEMU_CLOCK_HOST;
3053
3054 QLIST_INIT (&vm_change_state_head);
3055 os_setup_early_signal_handling();
3056
3057 cpu_model = NULL;
3058 snapshot = 0;
3059
3060 nb_nics = 0;
3061
3062 bdrv_init_with_whitelist();
3063
3064 autostart = 1;
3065
3066 /* first pass of option parsing */
3067 optind = 1;
3068 while (optind < argc) {
3069 if (argv[optind][0] != '-') {
3070 /* disk image */
3071 optind++;
3072 } else {
3073 const QEMUOption *popt;
3074
3075 popt = lookup_opt(argc, argv, &optarg, &optind);
3076 switch (popt->index) {
3077 case QEMU_OPTION_nodefconfig:
3078 case QEMU_OPTION_nouserconfig:
3079 userconfig = false;
3080 break;
3081 }
3082 }
3083 }
3084
3085 if (userconfig) {
3086 if (qemu_read_default_config_file() < 0) {
3087 exit(1);
3088 }
3089 }
3090
3091 /* second pass of option parsing */
3092 optind = 1;
3093 for(;;) {
3094 if (optind >= argc)
3095 break;
3096 if (argv[optind][0] != '-') {
3097 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3098 } else {
3099 const QEMUOption *popt;
3100
3101 popt = lookup_opt(argc, argv, &optarg, &optind);
3102 if (!(popt->arch_mask & arch_type)) {
3103 error_report("Option not supported for this target");
3104 exit(1);
3105 }
3106 switch(popt->index) {
3107 case QEMU_OPTION_cpu:
3108 /* hw initialization will check this */
3109 cpu_model = optarg;
3110 break;
3111 case QEMU_OPTION_hda:
3112 case QEMU_OPTION_hdb:
3113 case QEMU_OPTION_hdc:
3114 case QEMU_OPTION_hdd:
3115 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3116 HD_OPTS);
3117 break;
3118 case QEMU_OPTION_blockdev:
3119 {
3120 Visitor *v;
3121 BlockdevOptions_queue *bdo;
3122
3123 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3124 if (!v) {
3125 error_report_err(err);
3126 exit(1);
3127 }
3128
3129 bdo = g_new(BlockdevOptions_queue, 1);
3130 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3131 &error_fatal);
3132 visit_free(v);
3133 loc_save(&bdo->loc);
3134 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3135 break;
3136 }
3137 case QEMU_OPTION_drive:
3138 if (drive_def(optarg) == NULL) {
3139 exit(1);
3140 }
3141 break;
3142 case QEMU_OPTION_set:
3143 if (qemu_set_option(optarg) != 0)
3144 exit(1);
3145 break;
3146 case QEMU_OPTION_global:
3147 if (qemu_global_option(optarg) != 0)
3148 exit(1);
3149 break;
3150 case QEMU_OPTION_mtdblock:
3151 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3152 break;
3153 case QEMU_OPTION_sd:
3154 drive_add(IF_SD, -1, optarg, SD_OPTS);
3155 break;
3156 case QEMU_OPTION_pflash:
3157 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3158 break;
3159 case QEMU_OPTION_snapshot:
3160 snapshot = 1;
3161 break;
3162 case QEMU_OPTION_numa:
3163 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3164 optarg, true);
3165 if (!opts) {
3166 exit(1);
3167 }
3168 break;
3169 case QEMU_OPTION_display:
3170 parse_display(optarg);
3171 break;
3172 case QEMU_OPTION_nographic:
3173 olist = qemu_find_opts("machine");
3174 qemu_opts_parse_noisily(olist, "graphics=off", false);
3175 nographic = true;
3176 dpy.type = DISPLAY_TYPE_NONE;
3177 break;
3178 case QEMU_OPTION_curses:
3179 #ifdef CONFIG_CURSES
3180 dpy.type = DISPLAY_TYPE_CURSES;
3181 #else
3182 error_report("curses support is disabled");
3183 exit(1);
3184 #endif
3185 break;
3186 case QEMU_OPTION_portrait:
3187 graphic_rotate = 90;
3188 break;
3189 case QEMU_OPTION_rotate:
3190 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3191 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3192 graphic_rotate != 180 && graphic_rotate != 270) {
3193 error_report("only 90, 180, 270 deg rotation is available");
3194 exit(1);
3195 }
3196 break;
3197 case QEMU_OPTION_kernel:
3198 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3199 &error_abort);
3200 break;
3201 case QEMU_OPTION_initrd:
3202 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3203 &error_abort);
3204 break;
3205 case QEMU_OPTION_append:
3206 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3207 &error_abort);
3208 break;
3209 case QEMU_OPTION_dtb:
3210 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3211 &error_abort);
3212 break;
3213 case QEMU_OPTION_cdrom:
3214 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3215 break;
3216 case QEMU_OPTION_boot:
3217 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3218 optarg, true);
3219 if (!opts) {
3220 exit(1);
3221 }
3222 break;
3223 case QEMU_OPTION_fda:
3224 case QEMU_OPTION_fdb:
3225 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3226 optarg, FD_OPTS);
3227 break;
3228 case QEMU_OPTION_no_fd_bootchk:
3229 fd_bootchk = 0;
3230 break;
3231 case QEMU_OPTION_netdev:
3232 default_net = 0;
3233 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3234 exit(1);
3235 }
3236 break;
3237 case QEMU_OPTION_nic:
3238 default_net = 0;
3239 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3240 exit(1);
3241 }
3242 break;
3243 case QEMU_OPTION_net:
3244 default_net = 0;
3245 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3246 exit(1);
3247 }
3248 break;
3249 #ifdef CONFIG_LIBISCSI
3250 case QEMU_OPTION_iscsi:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3252 optarg, false);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 break;
3257 #endif
3258 #ifdef CONFIG_SLIRP
3259 case QEMU_OPTION_tftp:
3260 error_report("The -tftp option is deprecated. "
3261 "Please use '-netdev user,tftp=...' instead.");
3262 legacy_tftp_prefix = optarg;
3263 break;
3264 case QEMU_OPTION_bootp:
3265 error_report("The -bootp option is deprecated. "
3266 "Please use '-netdev user,bootfile=...' instead.");
3267 legacy_bootp_filename = optarg;
3268 break;
3269 case QEMU_OPTION_redir:
3270 error_report("The -redir option is deprecated. "
3271 "Please use '-netdev user,hostfwd=...' instead.");
3272 if (net_slirp_redir(optarg) < 0)
3273 exit(1);
3274 break;
3275 #endif
3276 case QEMU_OPTION_bt:
3277 add_device_config(DEV_BT, optarg);
3278 break;
3279 case QEMU_OPTION_audio_help:
3280 AUD_help ();
3281 exit (0);
3282 break;
3283 case QEMU_OPTION_soundhw:
3284 select_soundhw (optarg);
3285 break;
3286 case QEMU_OPTION_h:
3287 help(0);
3288 break;
3289 case QEMU_OPTION_version:
3290 version();
3291 exit(0);
3292 break;
3293 case QEMU_OPTION_m:
3294 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3295 optarg, true);
3296 if (!opts) {
3297 exit(EXIT_FAILURE);
3298 }
3299 break;
3300 #ifdef CONFIG_TPM
3301 case QEMU_OPTION_tpmdev:
3302 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3303 exit(1);
3304 }
3305 break;
3306 #endif
3307 case QEMU_OPTION_mempath:
3308 mem_path = optarg;
3309 break;
3310 case QEMU_OPTION_mem_prealloc:
3311 mem_prealloc = 1;
3312 break;
3313 case QEMU_OPTION_d:
3314 log_mask = optarg;
3315 break;
3316 case QEMU_OPTION_D:
3317 log_file = optarg;
3318 break;
3319 case QEMU_OPTION_DFILTER:
3320 qemu_set_dfilter_ranges(optarg, &error_fatal);
3321 break;
3322 case QEMU_OPTION_s:
3323 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3324 break;
3325 case QEMU_OPTION_gdb:
3326 add_device_config(DEV_GDB, optarg);
3327 break;
3328 case QEMU_OPTION_L:
3329 if (is_help_option(optarg)) {
3330 list_data_dirs = true;
3331 } else {
3332 qemu_add_data_dir(optarg);
3333 }
3334 break;
3335 case QEMU_OPTION_bios:
3336 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3337 &error_abort);
3338 break;
3339 case QEMU_OPTION_singlestep:
3340 singlestep = 1;
3341 break;
3342 case QEMU_OPTION_S:
3343 autostart = 0;
3344 break;
3345 case QEMU_OPTION_k:
3346 keyboard_layout = optarg;
3347 break;
3348 case QEMU_OPTION_localtime:
3349 rtc_utc = 0;
3350 warn_report("This option is deprecated, "
3351 "use '-rtc base=localtime' instead.");
3352 break;
3353 case QEMU_OPTION_vga:
3354 vga_model = optarg;
3355 default_vga = 0;
3356 break;
3357 case QEMU_OPTION_g:
3358 {
3359 const char *p;
3360 int w, h, depth;
3361 p = optarg;
3362 w = strtol(p, (char **)&p, 10);
3363 if (w <= 0) {
3364 graphic_error:
3365 error_report("invalid resolution or depth");
3366 exit(1);
3367 }
3368 if (*p != 'x')
3369 goto graphic_error;
3370 p++;
3371 h = strtol(p, (char **)&p, 10);
3372 if (h <= 0)
3373 goto graphic_error;
3374 if (*p == 'x') {
3375 p++;
3376 depth = strtol(p, (char **)&p, 10);
3377 if (depth != 8 && depth != 15 && depth != 16 &&
3378 depth != 24 && depth != 32)
3379 goto graphic_error;
3380 } else if (*p == '\0') {
3381 depth = graphic_depth;
3382 } else {
3383 goto graphic_error;
3384 }
3385
3386 graphic_width = w;
3387 graphic_height = h;
3388 graphic_depth = depth;
3389 }
3390 break;
3391 case QEMU_OPTION_echr:
3392 {
3393 char *r;
3394 term_escape_char = strtol(optarg, &r, 0);
3395 if (r == optarg)
3396 printf("Bad argument to echr\n");
3397 break;
3398 }
3399 case QEMU_OPTION_monitor:
3400 default_monitor = 0;
3401 if (strncmp(optarg, "none", 4)) {
3402 monitor_parse(optarg, "readline", false);
3403 }
3404 break;
3405 case QEMU_OPTION_qmp:
3406 monitor_parse(optarg, "control", false);
3407 default_monitor = 0;
3408 break;
3409 case QEMU_OPTION_qmp_pretty:
3410 monitor_parse(optarg, "control", true);
3411 default_monitor = 0;
3412 break;
3413 case QEMU_OPTION_mon:
3414 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3415 true);
3416 if (!opts) {
3417 exit(1);
3418 }
3419 default_monitor = 0;
3420 break;
3421 case QEMU_OPTION_chardev:
3422 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3423 optarg, true);
3424 if (!opts) {
3425 exit(1);
3426 }
3427 break;
3428 case QEMU_OPTION_fsdev:
3429 olist = qemu_find_opts("fsdev");
3430 if (!olist) {
3431 error_report("fsdev support is disabled");
3432 exit(1);
3433 }
3434 opts = qemu_opts_parse_noisily(olist, optarg, true);
3435 if (!opts) {
3436 exit(1);
3437 }
3438 break;
3439 case QEMU_OPTION_virtfs: {
3440 QemuOpts *fsdev;
3441 QemuOpts *device;
3442 const char *writeout, *sock_fd, *socket, *path, *security_model;
3443
3444 olist = qemu_find_opts("virtfs");
3445 if (!olist) {
3446 error_report("virtfs support is disabled");
3447 exit(1);
3448 }
3449 opts = qemu_opts_parse_noisily(olist, optarg, true);
3450 if (!opts) {
3451 exit(1);
3452 }
3453
3454 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3455 qemu_opt_get(opts, "mount_tag") == NULL) {
3456 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3457 exit(1);
3458 }
3459 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3460 qemu_opts_id(opts) ?:
3461 qemu_opt_get(opts, "mount_tag"),
3462 1, NULL);
3463 if (!fsdev) {
3464 error_report("duplicate or invalid fsdev id: %s",
3465 qemu_opt_get(opts, "mount_tag"));
3466 exit(1);
3467 }
3468
3469 writeout = qemu_opt_get(opts, "writeout");
3470 if (writeout) {
3471 #ifdef CONFIG_SYNC_FILE_RANGE
3472 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3473 #else
3474 error_report("writeout=immediate not supported "
3475 "on this platform");
3476 exit(1);
3477 #endif
3478 }
3479 qemu_opt_set(fsdev, "fsdriver",
3480 qemu_opt_get(opts, "fsdriver"), &error_abort);
3481 path = qemu_opt_get(opts, "path");
3482 if (path) {
3483 qemu_opt_set(fsdev, "path", path, &error_abort);
3484 }
3485 security_model = qemu_opt_get(opts, "security_model");
3486 if (security_model) {
3487 qemu_opt_set(fsdev, "security_model", security_model,
3488 &error_abort);
3489 }
3490 socket = qemu_opt_get(opts, "socket");
3491 if (socket) {
3492 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3493 }
3494 sock_fd = qemu_opt_get(opts, "sock_fd");
3495 if (sock_fd) {
3496 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3497 }
3498
3499 qemu_opt_set_bool(fsdev, "readonly",
3500 qemu_opt_get_bool(opts, "readonly", 0),
3501 &error_abort);
3502 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3503 &error_abort);
3504 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3505 qemu_opt_set(device, "fsdev",
3506 qemu_opts_id(fsdev), &error_abort);
3507 qemu_opt_set(device, "mount_tag",
3508 qemu_opt_get(opts, "mount_tag"), &error_abort);
3509 break;
3510 }
3511 case QEMU_OPTION_virtfs_synth: {
3512 QemuOpts *fsdev;
3513 QemuOpts *device;
3514
3515 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3516 1, NULL);
3517 if (!fsdev) {
3518 error_report("duplicate option: %s", "virtfs_synth");
3519 exit(1);
3520 }
3521 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3522
3523 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3524 &error_abort);
3525 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3526 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3527 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3528 break;
3529 }
3530 case QEMU_OPTION_serial:
3531 add_device_config(DEV_SERIAL, optarg);
3532 default_serial = 0;
3533 if (strncmp(optarg, "mon:", 4) == 0) {
3534 default_monitor = 0;
3535 }
3536 break;
3537 case QEMU_OPTION_watchdog:
3538 if (watchdog) {
3539 error_report("only one watchdog option may be given");
3540 return 1;
3541 }
3542 watchdog = optarg;
3543 break;
3544 case QEMU_OPTION_watchdog_action:
3545 if (select_watchdog_action(optarg) == -1) {
3546 error_report("unknown -watchdog-action parameter");
3547 exit(1);
3548 }
3549 break;
3550 case QEMU_OPTION_virtiocon:
3551 warn_report("This option is deprecated, "
3552 "use '-device virtconsole' instead");
3553 add_device_config(DEV_VIRTCON, optarg);
3554 default_virtcon = 0;
3555 if (strncmp(optarg, "mon:", 4) == 0) {
3556 default_monitor = 0;
3557 }
3558 break;
3559 case QEMU_OPTION_parallel:
3560 add_device_config(DEV_PARALLEL, optarg);
3561 default_parallel = 0;
3562 if (strncmp(optarg, "mon:", 4) == 0) {
3563 default_monitor = 0;
3564 }
3565 break;
3566 case QEMU_OPTION_debugcon:
3567 add_device_config(DEV_DEBUGCON, optarg);
3568 break;
3569 case QEMU_OPTION_loadvm:
3570 loadvm = optarg;
3571 break;
3572 case QEMU_OPTION_full_screen:
3573 dpy.has_full_screen = true;
3574 dpy.full_screen = true;
3575 break;
3576 case QEMU_OPTION_no_frame:
3577 g_printerr("The -no-frame switch is deprecated, and will be\n"
3578 "removed in a future release.\n");
3579 no_frame = 1;
3580 break;
3581 case QEMU_OPTION_alt_grab:
3582 alt_grab = 1;
3583 break;
3584 case QEMU_OPTION_ctrl_grab:
3585 ctrl_grab = 1;
3586 break;
3587 case QEMU_OPTION_no_quit:
3588 dpy.has_window_close = true;
3589 dpy.window_close = false;
3590 break;
3591 case QEMU_OPTION_sdl:
3592 #ifdef CONFIG_SDL
3593 dpy.type = DISPLAY_TYPE_SDL;
3594 break;
3595 #else
3596 error_report("SDL support is disabled");
3597 exit(1);
3598 #endif
3599 case QEMU_OPTION_pidfile:
3600 pid_file = optarg;
3601 break;
3602 case QEMU_OPTION_win2k_hack:
3603 win2k_install_hack = 1;
3604 break;
3605 case QEMU_OPTION_rtc_td_hack: {
3606 static GlobalProperty slew_lost_ticks = {
3607 .driver = "mc146818rtc",
3608 .property = "lost_tick_policy",
3609 .value = "slew",
3610 };
3611
3612 qdev_prop_register_global(&slew_lost_ticks);
3613 warn_report("This option is deprecated, "
3614 "use '-rtc driftfix=slew' instead.");
3615 break;
3616 }
3617 case QEMU_OPTION_acpitable:
3618 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3619 optarg, true);
3620 if (!opts) {
3621 exit(1);
3622 }
3623 acpi_table_add(opts, &error_fatal);
3624 break;
3625 case QEMU_OPTION_smbios:
3626 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3627 optarg, false);
3628 if (!opts) {
3629 exit(1);
3630 }
3631 smbios_entry_add(opts, &error_fatal);
3632 break;
3633 case QEMU_OPTION_fwcfg:
3634 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3635 optarg, true);
3636 if (opts == NULL) {
3637 exit(1);
3638 }
3639 break;
3640 case QEMU_OPTION_preconfig:
3641 preconfig_exit_requested = false;
3642 break;
3643 case QEMU_OPTION_enable_kvm:
3644 olist = qemu_find_opts("machine");
3645 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3646 break;
3647 case QEMU_OPTION_enable_hax:
3648 warn_report("Option is deprecated, use '-accel hax' instead");
3649 olist = qemu_find_opts("machine");
3650 qemu_opts_parse_noisily(olist, "accel=hax", false);
3651 break;
3652 case QEMU_OPTION_M:
3653 case QEMU_OPTION_machine:
3654 olist = qemu_find_opts("machine");
3655 opts = qemu_opts_parse_noisily(olist, optarg, true);
3656 if (!opts) {
3657 exit(1);
3658 }
3659 break;
3660 case QEMU_OPTION_no_kvm:
3661 olist = qemu_find_opts("machine");
3662 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3663 break;
3664 case QEMU_OPTION_accel:
3665 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3666 optarg, true);
3667 optarg = qemu_opt_get(accel_opts, "accel");
3668 if (!optarg || is_help_option(optarg)) {
3669 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3670 exit(0);
3671 }
3672 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3673 false, &error_abort);
3674 qemu_opt_set(opts, "accel", optarg, &error_abort);
3675 break;
3676 case QEMU_OPTION_usb:
3677 olist = qemu_find_opts("machine");
3678 qemu_opts_parse_noisily(olist, "usb=on", false);
3679 break;
3680 case QEMU_OPTION_usbdevice:
3681 error_report("'-usbdevice' is deprecated, please use "
3682 "'-device usb-...' instead");
3683 olist = qemu_find_opts("machine");
3684 qemu_opts_parse_noisily(olist, "usb=on", false);
3685 add_device_config(DEV_USB, optarg);
3686 break;
3687 case QEMU_OPTION_device:
3688 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3689 optarg, true)) {
3690 exit(1);
3691 }
3692 break;
3693 case QEMU_OPTION_smp:
3694 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3695 optarg, true)) {
3696 exit(1);
3697 }
3698 break;
3699 case QEMU_OPTION_vnc:
3700 vnc_parse(optarg, &error_fatal);
3701 break;
3702 case QEMU_OPTION_no_acpi:
3703 acpi_enabled = 0;
3704 break;
3705 case QEMU_OPTION_no_hpet:
3706 no_hpet = 1;
3707 break;
3708 case QEMU_OPTION_balloon:
3709 if (balloon_parse(optarg) < 0) {
3710 error_report("unknown -balloon argument %s", optarg);
3711 exit(1);
3712 }
3713 break;
3714 case QEMU_OPTION_no_reboot:
3715 no_reboot = 1;
3716 break;
3717 case QEMU_OPTION_no_shutdown:
3718 no_shutdown = 1;
3719 break;
3720 case QEMU_OPTION_show_cursor:
3721 cursor_hide = 0;
3722 break;
3723 case QEMU_OPTION_uuid:
3724 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3725 error_report("failed to parse UUID string: wrong format");
3726 exit(1);
3727 }
3728 qemu_uuid_set = true;
3729 break;
3730 case QEMU_OPTION_option_rom:
3731 if (nb_option_roms >= MAX_OPTION_ROMS) {
3732 error_report("too many option ROMs");
3733 exit(1);
3734 }
3735 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3736 optarg, true);
3737 if (!opts) {
3738 exit(1);
3739 }
3740 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3741 option_rom[nb_option_roms].bootindex =
3742 qemu_opt_get_number(opts, "bootindex", -1);
3743 if (!option_rom[nb_option_roms].name) {
3744 error_report("Option ROM file is not specified");
3745 exit(1);
3746 }
3747 nb_option_roms++;
3748 break;
3749 case QEMU_OPTION_semihosting:
3750 semihosting.enabled = true;
3751 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3752 break;
3753 case QEMU_OPTION_semihosting_config:
3754 semihosting.enabled = true;
3755 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3756 optarg, false);
3757 if (opts != NULL) {
3758 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3759 true);
3760 const char *target = qemu_opt_get(opts, "target");
3761 if (target != NULL) {
3762 if (strcmp("native", target) == 0) {
3763 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3764 } else if (strcmp("gdb", target) == 0) {
3765 semihosting.target = SEMIHOSTING_TARGET_GDB;
3766 } else if (strcmp("auto", target) == 0) {
3767 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3768 } else {
3769 error_report("unsupported semihosting-config %s",
3770 optarg);
3771 exit(1);
3772 }
3773 } else {
3774 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3775 }
3776 /* Set semihosting argument count and vector */
3777 qemu_opt_foreach(opts, add_semihosting_arg,
3778 &semihosting, NULL);
3779 } else {
3780 error_report("unsupported semihosting-config %s", optarg);
3781 exit(1);
3782 }
3783 break;
3784 case QEMU_OPTION_name:
3785 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3786 optarg, true);
3787 if (!opts) {
3788 exit(1);
3789 }
3790 break;
3791 case QEMU_OPTION_prom_env:
3792 if (nb_prom_envs >= MAX_PROM_ENVS) {
3793 error_report("too many prom variables");
3794 exit(1);
3795 }
3796 prom_envs[nb_prom_envs] = optarg;
3797 nb_prom_envs++;
3798 break;
3799 case QEMU_OPTION_old_param:
3800 old_param = 1;
3801 break;
3802 case QEMU_OPTION_clock:
3803 /* Clock options no longer exist. Keep this option for
3804 * backward compatibility.
3805 */
3806 warn_report("This option is ignored and will be removed soon");
3807 break;
3808 case QEMU_OPTION_startdate:
3809 warn_report("This option is deprecated, use '-rtc base=' instead.");
3810 configure_rtc_date_offset(optarg, 1);
3811 break;
3812 case QEMU_OPTION_rtc:
3813 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3814 false);
3815 if (!opts) {
3816 exit(1);
3817 }
3818 configure_rtc(opts);
3819 break;
3820 case QEMU_OPTION_tb_size:
3821 #ifndef CONFIG_TCG
3822 error_report("TCG is disabled");
3823 exit(1);
3824 #endif
3825 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3826 error_report("Invalid argument to -tb-size");
3827 exit(1);
3828 }
3829 break;
3830 case QEMU_OPTION_icount:
3831 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3832 optarg, true);
3833 if (!icount_opts) {
3834 exit(1);
3835 }
3836 break;
3837 case QEMU_OPTION_incoming:
3838 if (!incoming) {
3839 runstate_set(RUN_STATE_INMIGRATE);
3840 }
3841 incoming = optarg;
3842 break;
3843 case QEMU_OPTION_only_migratable:
3844 /*
3845 * TODO: we can remove this option one day, and we
3846 * should all use:
3847 *
3848 * "-global migration.only-migratable=true"
3849 */
3850 qemu_global_option("migration.only-migratable=true");
3851 break;
3852 case QEMU_OPTION_nodefaults:
3853 has_defaults = 0;
3854 break;
3855 case QEMU_OPTION_xen_domid:
3856 if (!(xen_available())) {
3857 error_report("Option not supported for this target");
3858 exit(1);
3859 }
3860 xen_domid = atoi(optarg);
3861 break;
3862 case QEMU_OPTION_xen_create:
3863 if (!(xen_available())) {
3864 error_report("Option not supported for this target");
3865 exit(1);
3866 }
3867 xen_mode = XEN_CREATE;
3868 break;
3869 case QEMU_OPTION_xen_attach:
3870 if (!(xen_available())) {
3871 error_report("Option not supported for this target");
3872 exit(1);
3873 }
3874 xen_mode = XEN_ATTACH;
3875 break;
3876 case QEMU_OPTION_xen_domid_restrict:
3877 if (!(xen_available())) {
3878 error_report("Option not supported for this target");
3879 exit(1);
3880 }
3881 xen_domid_restrict = true;
3882 break;
3883 case QEMU_OPTION_trace:
3884 g_free(trace_file);
3885 trace_file = trace_opt_parse(optarg);
3886 break;
3887 case QEMU_OPTION_trace_unassigned:
3888 trace_unassigned = true;
3889 break;
3890 case QEMU_OPTION_readconfig:
3891 {
3892 int ret = qemu_read_config_file(optarg);
3893 if (ret < 0) {
3894 error_report("read config %s: %s", optarg,
3895 strerror(-ret));
3896 exit(1);
3897 }
3898 break;
3899 }
3900 case QEMU_OPTION_spice:
3901 olist = qemu_find_opts("spice");
3902 if (!olist) {
3903 error_report("spice support is disabled");
3904 exit(1);
3905 }
3906 opts = qemu_opts_parse_noisily(olist, optarg, false);
3907 if (!opts) {
3908 exit(1);
3909 }
3910 display_remote++;
3911 break;
3912 case QEMU_OPTION_writeconfig:
3913 {
3914 FILE *fp;
3915 if (strcmp(optarg, "-") == 0) {
3916 fp = stdout;
3917 } else {
3918 fp = fopen(optarg, "w");
3919 if (fp == NULL) {
3920 error_report("open %s: %s", optarg,
3921 strerror(errno));
3922 exit(1);
3923 }
3924 }
3925 qemu_config_write(fp);
3926 if (fp != stdout) {
3927 fclose(fp);
3928 }
3929 break;
3930 }
3931 case QEMU_OPTION_qtest:
3932 qtest_chrdev = optarg;
3933 break;
3934 case QEMU_OPTION_qtest_log:
3935 qtest_log = optarg;
3936 break;
3937 case QEMU_OPTION_sandbox:
3938 #ifdef CONFIG_SECCOMP
3939 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3940 optarg, true);
3941 if (!opts) {
3942 exit(1);
3943 }
3944 #else
3945 error_report("-sandbox support is not enabled "
3946 "in this QEMU binary");
3947 exit(1);
3948 #endif
3949 break;
3950 case QEMU_OPTION_add_fd:
3951 #ifndef _WIN32
3952 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3953 optarg, false);
3954 if (!opts) {
3955 exit(1);
3956 }
3957 #else
3958 error_report("File descriptor passing is disabled on this "
3959 "platform");
3960 exit(1);
3961 #endif
3962 break;
3963 case QEMU_OPTION_object:
3964 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3965 optarg, true);
3966 if (!opts) {
3967 exit(1);
3968 }
3969 break;
3970 case QEMU_OPTION_realtime:
3971 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3972 optarg, false);
3973 if (!opts) {
3974 exit(1);
3975 }
3976 /* Don't override the -overcommit option if set */
3977 enable_mlock = enable_mlock ||
3978 qemu_opt_get_bool(opts, "mlock", true);
3979 break;
3980 case QEMU_OPTION_overcommit:
3981 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3982 optarg, false);
3983 if (!opts) {
3984 exit(1);
3985 }
3986 /* Don't override the -realtime option if set */
3987 enable_mlock = enable_mlock ||
3988 qemu_opt_get_bool(opts, "mem-lock", false);
3989 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3990 break;
3991 case QEMU_OPTION_msg:
3992 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3993 false);
3994 if (!opts) {
3995 exit(1);
3996 }
3997 configure_msg(opts);
3998 break;
3999 case QEMU_OPTION_dump_vmstate:
4000 if (vmstate_dump_file) {
4001 error_report("only one '-dump-vmstate' "
4002 "option may be given");
4003 exit(1);
4004 }
4005 vmstate_dump_file = fopen(optarg, "w");
4006 if (vmstate_dump_file == NULL) {
4007 error_report("open %s: %s", optarg, strerror(errno));
4008 exit(1);
4009 }
4010 break;
4011 case QEMU_OPTION_nodefconfig:
4012 case QEMU_OPTION_nouserconfig:
4013 /* Nothing to be parsed here. Especially, do not error out below. */
4014 break;
4015 default:
4016 if (os_parse_cmd_args(popt->index, optarg)) {
4017 error_report("Option not supported in this build");
4018 exit(1);
4019 }
4020 }
4021 }
4022 }
4023 /*
4024 * Clear error location left behind by the loop.
4025 * Best done right after the loop. Do not insert code here!
4026 */
4027 loc_set_none();
4028
4029 replay_configure(icount_opts);
4030
4031 if (incoming && !preconfig_exit_requested) {
4032 error_report("'preconfig' and 'incoming' options are "
4033 "mutually exclusive");
4034 exit(EXIT_FAILURE);
4035 }
4036
4037 machine_class = select_machine();
4038
4039 set_memory_options(&ram_slots, &maxram_size, machine_class);
4040
4041 os_daemonize();
4042 rcu_disable_atfork();
4043
4044 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4045 error_report("could not acquire pid file: %s", strerror(errno));
4046 exit(1);
4047 }
4048
4049 if (qemu_init_main_loop(&main_loop_err)) {
4050 error_report_err(main_loop_err);
4051 exit(1);
4052 }
4053
4054 #ifdef CONFIG_SECCOMP
4055 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4056 parse_sandbox, NULL, NULL)) {
4057 exit(1);
4058 }
4059 #endif
4060
4061 if (qemu_opts_foreach(qemu_find_opts("name"),
4062 parse_name, NULL, NULL)) {
4063 exit(1);
4064 }
4065
4066 #ifndef _WIN32
4067 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4068 parse_add_fd, NULL, NULL)) {
4069 exit(1);
4070 }
4071
4072 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4073 cleanup_add_fd, NULL, NULL)) {
4074 exit(1);
4075 }
4076 #endif
4077
4078 current_machine = MACHINE(object_new(object_class_get_name(
4079 OBJECT_CLASS(machine_class))));
4080 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4081 exit(0);
4082 }
4083 object_property_add_child(object_get_root(), "machine",
4084 OBJECT(current_machine), &error_abort);
4085
4086 if (machine_class->minimum_page_bits) {
4087 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4088 /* This would be a board error: specifying a minimum smaller than
4089 * a target's compile-time fixed setting.
4090 */
4091 g_assert_not_reached();
4092 }
4093 }
4094
4095 cpu_exec_init_all();
4096
4097 if (machine_class->hw_version) {
4098 qemu_set_hw_version(machine_class->hw_version);
4099 }
4100
4101 if (cpu_model && is_help_option(cpu_model)) {
4102 list_cpus(stdout, &fprintf, cpu_model);
4103 exit(0);
4104 }
4105
4106 if (!trace_init_backends()) {
4107 exit(1);
4108 }
4109 trace_init_file(trace_file);
4110
4111 /* Open the logfile at this point and set the log mask if necessary.
4112 */
4113 if (log_file) {
4114 qemu_set_log_filename(log_file, &error_fatal);
4115 }
4116
4117 if (log_mask) {
4118 int mask;
4119 mask = qemu_str_to_log_mask(log_mask);
4120 if (!mask) {
4121 qemu_print_log_usage(stdout);
4122 exit(1);
4123 }
4124 qemu_set_log(mask);
4125 } else {
4126 qemu_set_log(0);
4127 }
4128
4129 /* add configured firmware directories */
4130 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4131 for (i = 0; dirs[i] != NULL; i++) {
4132 qemu_add_data_dir(dirs[i]);
4133 }
4134 g_strfreev(dirs);
4135
4136 /* try to find datadir relative to the executable path */
4137 dir = os_find_datadir();
4138 qemu_add_data_dir(dir);
4139 g_free(dir);
4140
4141 /* add the datadir specified when building */
4142 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4143
4144 /* -L help lists the data directories and exits. */
4145 if (list_data_dirs) {
4146 for (i = 0; i < data_dir_idx; i++) {
4147 printf("%s\n", data_dir[i]);
4148 }
4149 exit(0);
4150 }
4151
4152 /* machine_class: default to UP */
4153 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4154 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4155 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4156
4157 /* default to machine_class->default_cpus */
4158 smp_cpus = machine_class->default_cpus;
4159 max_cpus = machine_class->default_cpus;
4160
4161 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4162
4163 /* sanity-check smp_cpus and max_cpus against machine_class */
4164 if (smp_cpus < machine_class->min_cpus) {
4165 error_report("Invalid SMP CPUs %d. The min CPUs "
4166 "supported by machine '%s' is %d", smp_cpus,
4167 machine_class->name, machine_class->min_cpus);
4168 exit(1);
4169 }
4170 if (max_cpus > machine_class->max_cpus) {
4171 error_report("Invalid SMP CPUs %d. The max CPUs "
4172 "supported by machine '%s' is %d", max_cpus,
4173 machine_class->name, machine_class->max_cpus);
4174 exit(1);
4175 }
4176
4177 /*
4178 * Get the default machine options from the machine if it is not already
4179 * specified either by the configuration file or by the command line.
4180 */
4181 if (machine_class->default_machine_opts) {
4182 qemu_opts_set_defaults(qemu_find_opts("machine"),
4183 machine_class->default_machine_opts, 0);
4184 }
4185
4186 qemu_opts_foreach(qemu_find_opts("device"),
4187 default_driver_check, NULL, NULL);
4188 qemu_opts_foreach(qemu_find_opts("global"),
4189 default_driver_check, NULL, NULL);
4190
4191 if (!vga_model && !default_vga) {
4192 vga_interface_type = VGA_DEVICE;
4193 }
4194 if (!has_defaults || machine_class->no_serial) {
4195 default_serial = 0;
4196 }
4197 if (!has_defaults || machine_class->no_parallel) {
4198 default_parallel = 0;
4199 }
4200 if (!has_defaults || !machine_class->use_virtcon) {
4201 default_virtcon = 0;
4202 }
4203 if (!has_defaults || machine_class->no_floppy) {
4204 default_floppy = 0;
4205 }
4206 if (!has_defaults || machine_class->no_cdrom) {
4207 default_cdrom = 0;
4208 }
4209 if (!has_defaults || machine_class->no_sdcard) {
4210 default_sdcard = 0;
4211 }
4212 if (!has_defaults) {
4213 default_monitor = 0;
4214 default_net = 0;
4215 default_vga = 0;
4216 }
4217
4218 if (is_daemonized()) {
4219 if (!preconfig_exit_requested) {
4220 error_report("'preconfig' and 'daemonize' options are "
4221 "mutually exclusive");
4222 exit(EXIT_FAILURE);
4223 }
4224
4225 /* According to documentation and historically, -nographic redirects
4226 * serial port, parallel port and monitor to stdio, which does not work
4227 * with -daemonize. We can redirect these to null instead, but since
4228 * -nographic is legacy, let's just error out.
4229 * We disallow -nographic only if all other ports are not redirected
4230 * explicitly, to not break existing legacy setups which uses
4231 * -nographic _and_ redirects all ports explicitly - this is valid
4232 * usage, -nographic is just a no-op in this case.
4233 */
4234 if (nographic
4235 && (default_parallel || default_serial
4236 || default_monitor || default_virtcon)) {
4237 error_report("-nographic cannot be used with -daemonize");
4238 exit(1);
4239 }
4240 #ifdef CONFIG_CURSES
4241 if (dpy.type == DISPLAY_TYPE_CURSES) {
4242 error_report("curses display cannot be used with -daemonize");
4243 exit(1);
4244 }
4245 #endif
4246 }
4247
4248 if (nographic) {
4249 if (default_parallel)
4250 add_device_config(DEV_PARALLEL, "null");
4251 if (default_serial && default_monitor) {
4252 add_device_config(DEV_SERIAL, "mon:stdio");
4253 } else if (default_virtcon && default_monitor) {
4254 add_device_config(DEV_VIRTCON, "mon:stdio");
4255 } else {
4256 if (default_serial)
4257 add_device_config(DEV_SERIAL, "stdio");
4258 if (default_virtcon)
4259 add_device_config(DEV_VIRTCON, "stdio");
4260 if (default_monitor)
4261 monitor_parse("stdio", "readline", false);
4262 }
4263 } else {
4264 if (default_serial)
4265 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4266 if (default_parallel)
4267 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4268 if (default_monitor)
4269 monitor_parse("vc:80Cx24C", "readline", false);
4270 if (default_virtcon)
4271 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4272 }
4273
4274 #if defined(CONFIG_VNC)
4275 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4276 display_remote++;
4277 }
4278 #endif
4279 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4280 if (!qemu_display_find_default(&dpy)) {
4281 dpy.type = DISPLAY_TYPE_NONE;
4282 #if defined(CONFIG_VNC)
4283 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4284 #endif
4285 }
4286 }
4287 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4288 dpy.type = DISPLAY_TYPE_NONE;
4289 }
4290
4291 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4292 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4293 "for SDL, ignoring option");
4294 }
4295 if (dpy.has_window_close &&
4296 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4297 error_report("-no-quit is only valid for GTK and SDL, "
4298 "ignoring option");
4299 }
4300
4301 qemu_display_early_init(&dpy);
4302 qemu_console_early_init();
4303
4304 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4305 #if defined(CONFIG_OPENGL)
4306 error_report("OpenGL is not supported by the display");
4307 #else
4308 error_report("OpenGL support is disabled");
4309 #endif
4310 exit(1);
4311 }
4312
4313 page_size_init();
4314 socket_init();
4315
4316 if (qemu_opts_foreach(qemu_find_opts("object"),
4317 user_creatable_add_opts_foreach,
4318 object_create_initial, NULL)) {
4319 exit(1);
4320 }
4321
4322 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4323 chardev_init_func, NULL, NULL)) {
4324 exit(1);
4325 }
4326
4327 #ifdef CONFIG_VIRTFS
4328 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4329 fsdev_init_func, NULL, NULL)) {
4330 exit(1);
4331 }
4332 #endif
4333
4334 if (qemu_opts_foreach(qemu_find_opts("device"),
4335 device_help_func, NULL, NULL)) {
4336 exit(0);
4337 }
4338
4339 machine_opts = qemu_get_machine_opts();
4340 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4341 NULL)) {
4342 object_unref(OBJECT(current_machine));
4343 exit(1);
4344 }
4345
4346 configure_accelerator(current_machine);
4347
4348 if (!qtest_enabled() && machine_class->deprecation_reason) {
4349 error_report("Machine type '%s' is deprecated: %s",
4350 machine_class->name, machine_class->deprecation_reason);
4351 }
4352
4353 /*
4354 * Register all the global properties, including accel properties,
4355 * machine properties, and user-specified ones.
4356 */
4357 register_global_properties(current_machine);
4358
4359 /*
4360 * Migration object can only be created after global properties
4361 * are applied correctly.
4362 */
4363 migration_object_init();
4364
4365 if (qtest_chrdev) {
4366 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4367 }
4368
4369 machine_opts = qemu_get_machine_opts();
4370 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4371 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4372 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4373 bios_name = qemu_opt_get(machine_opts, "firmware");
4374
4375 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4376 if (opts) {
4377 boot_order = qemu_opt_get(opts, "order");
4378 if (boot_order) {
4379 validate_bootdevices(boot_order, &error_fatal);
4380 }
4381
4382 boot_once = qemu_opt_get(opts, "once");
4383 if (boot_once) {
4384 validate_bootdevices(boot_once, &error_fatal);
4385 }
4386
4387 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4388 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4389 }
4390
4391 if (!boot_order) {
4392 boot_order = machine_class->default_boot_order;
4393 }
4394
4395 if (!kernel_cmdline) {
4396 kernel_cmdline = "";
4397 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4398 }
4399
4400 linux_boot = (kernel_filename != NULL);
4401
4402 if (!linux_boot && *kernel_cmdline != '\0') {
4403 error_report("-append only allowed with -kernel option");
4404 exit(1);
4405 }
4406
4407 if (!linux_boot && initrd_filename != NULL) {
4408 error_report("-initrd only allowed with -kernel option");
4409 exit(1);
4410 }
4411
4412 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4413 /* fall back to the -kernel/-append */
4414 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4415 }
4416
4417 os_set_line_buffering();
4418
4419 /* spice needs the timers to be initialized by this point */
4420 qemu_spice_init();
4421
4422 cpu_ticks_init();
4423 if (icount_opts) {
4424 if (!tcg_enabled()) {
4425 error_report("-icount is not allowed with hardware virtualization");
4426 exit(1);
4427 }
4428 configure_icount(icount_opts, &error_abort);
4429 qemu_opts_del(icount_opts);
4430 }
4431
4432 if (tcg_enabled()) {
4433 qemu_tcg_configure(accel_opts, &error_fatal);
4434 }
4435
4436 if (default_net) {
4437 QemuOptsList *net = qemu_find_opts("net");
4438 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4439 #ifdef CONFIG_SLIRP
4440 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4441 #endif
4442 }
4443
4444 colo_info_init();
4445
4446 if (net_init_clients(&err) < 0) {
4447 error_report_err(err);
4448 exit(1);
4449 }
4450
4451 if (qemu_opts_foreach(qemu_find_opts("object"),
4452 user_creatable_add_opts_foreach,
4453 object_create_delayed, NULL)) {
4454 exit(1);
4455 }
4456
4457 if (tpm_init() < 0) {
4458 exit(1);
4459 }
4460
4461 /* init the bluetooth world */
4462 if (foreach_device_config(DEV_BT, bt_parse))
4463 exit(1);
4464
4465 if (!xen_enabled()) {
4466 /* On 32-bit hosts, QEMU is limited by virtual address space */
4467 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4468 error_report("at most 2047 MB RAM can be simulated");
4469 exit(1);
4470 }
4471 }
4472
4473 blk_mig_init();
4474 ram_mig_init();
4475 dirty_bitmap_mig_init();
4476
4477 /* If the currently selected machine wishes to override the units-per-bus
4478 * property of its default HBA interface type, do so now. */
4479 if (machine_class->units_per_default_bus) {
4480 override_max_devs(machine_class->block_default_type,
4481 machine_class->units_per_default_bus);
4482 }
4483
4484 /* open the virtual block devices */
4485 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4486 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4487
4488 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4489 loc_push_restore(&bdo->loc);
4490 qmp_blockdev_add(bdo->bdo, &error_fatal);
4491 loc_pop(&bdo->loc);
4492 qapi_free_BlockdevOptions(bdo->bdo);
4493 g_free(bdo);
4494 }
4495 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4496 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4497 NULL, NULL);
4498 }
4499 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4500 &machine_class->block_default_type, NULL)) {
4501 exit(1);
4502 }
4503
4504 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4505 CDROM_OPTS);
4506 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4507 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4508
4509 if (qemu_opts_foreach(qemu_find_opts("mon"),
4510 mon_init_func, NULL, NULL)) {
4511 exit(1);
4512 }
4513
4514 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4515 exit(1);
4516 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4517 exit(1);
4518 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4519 exit(1);
4520 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4521 exit(1);
4522
4523 /* If no default VGA is requested, the default is "none". */
4524 if (default_vga) {
4525 if (machine_class->default_display) {
4526 vga_model = machine_class->default_display;
4527 } else if (vga_interface_available(VGA_CIRRUS)) {
4528 vga_model = "cirrus";
4529 } else if (vga_interface_available(VGA_STD)) {
4530 vga_model = "std";
4531 }
4532 }
4533 if (vga_model) {
4534 select_vgahw(vga_model);
4535 }
4536
4537 if (watchdog) {
4538 i = select_watchdog(watchdog);
4539 if (i > 0)
4540 exit (i == 1 ? 1 : 0);
4541 }
4542
4543 /* This checkpoint is required by replay to separate prior clock
4544 reading from the other reads, because timer polling functions query
4545 clock values from the log. */
4546 replay_checkpoint(CHECKPOINT_INIT);
4547 qdev_machine_init();
4548
4549 current_machine->ram_size = ram_size;
4550 current_machine->maxram_size = maxram_size;
4551 current_machine->ram_slots = ram_slots;
4552 current_machine->boot_order = boot_order;
4553
4554 /* parse features once if machine provides default cpu_type */
4555 current_machine->cpu_type = machine_class->default_cpu_type;
4556 if (cpu_model) {
4557 current_machine->cpu_type = parse_cpu_model(cpu_model);
4558 }
4559 parse_numa_opts(current_machine);
4560
4561 /* do monitor/qmp handling at preconfig state if requested */
4562 main_loop();
4563
4564 /* from here on runstate is RUN_STATE_PRELAUNCH */
4565 machine_run_board_init(current_machine);
4566
4567 realtime_init();
4568
4569 soundhw_init();
4570
4571 if (hax_enabled()) {
4572 hax_sync_vcpus();
4573 }
4574
4575 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4576 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4577 exit(1);
4578 }
4579
4580 /* init USB devices */
4581 if (machine_usb(current_machine)) {
4582 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4583 exit(1);
4584 }
4585
4586 /* Check if IGD GFX passthrough. */
4587 igd_gfx_passthru();
4588
4589 /* init generic devices */
4590 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4591 if (qemu_opts_foreach(qemu_find_opts("device"),
4592 device_init_func, NULL, NULL)) {
4593 exit(1);
4594 }
4595
4596 cpu_synchronize_all_post_init();
4597
4598 rom_reset_order_override();
4599
4600 /* Did we create any drives that we failed to create a device for? */
4601 drive_check_orphaned();
4602
4603 /* Don't warn about the default network setup that you get if
4604 * no command line -net or -netdev options are specified. There
4605 * are two cases that we would otherwise complain about:
4606 * (1) board doesn't support a NIC but the implicit "-net nic"
4607 * requested one
4608 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4609 * sets up a nic that isn't connected to anything.
4610 */
4611 if (!default_net) {
4612 net_check_clients();
4613 }
4614
4615
4616 if (boot_once) {
4617 qemu_boot_set(boot_once, &error_fatal);
4618 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4619 }
4620
4621 /* init local displays */
4622 ds = init_displaystate();
4623 qemu_display_init(ds, &dpy);
4624
4625 /* must be after terminal init, SDL library changes signal handlers */
4626 os_setup_signal_handling();
4627
4628 /* init remote displays */
4629 #ifdef CONFIG_VNC
4630 qemu_opts_foreach(qemu_find_opts("vnc"),
4631 vnc_init_func, NULL, NULL);
4632 #endif
4633
4634 if (using_spice) {
4635 qemu_spice_display_init();
4636 }
4637
4638 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4639 exit(1);
4640 }
4641
4642 qdev_machine_creation_done();
4643
4644 /* TODO: once all bus devices are qdevified, this should be done
4645 * when bus is created by qdev.c */
4646 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4647 qemu_run_machine_init_done_notifiers();
4648
4649 if (rom_check_and_register_reset() != 0) {
4650 error_report("rom check and register reset failed");
4651 exit(1);
4652 }
4653
4654 replay_start();
4655
4656 /* This checkpoint is required by replay to separate prior clock
4657 reading from the other reads, because timer polling functions query
4658 clock values from the log. */
4659 replay_checkpoint(CHECKPOINT_RESET);
4660 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4661 register_global_state();
4662 if (replay_mode != REPLAY_MODE_NONE) {
4663 replay_vmstate_init();
4664 } else if (loadvm) {
4665 Error *local_err = NULL;
4666 if (load_snapshot(loadvm, &local_err) < 0) {
4667 error_report_err(local_err);
4668 autostart = 0;
4669 }
4670 }
4671
4672 qdev_prop_check_globals();
4673 if (vmstate_dump_file) {
4674 /* dump and exit */
4675 dump_vmstate_json_to_file(vmstate_dump_file);
4676 return 0;
4677 }
4678
4679 if (incoming) {
4680 Error *local_err = NULL;
4681 qemu_start_incoming_migration(incoming, &local_err);
4682 if (local_err) {
4683 error_reportf_err(local_err, "-incoming %s: ", incoming);
4684 exit(1);
4685 }
4686 } else if (autostart) {
4687 vm_start();
4688 }
4689
4690 accel_setup_post(current_machine);
4691 os_setup_post();
4692
4693 main_loop();
4694
4695 gdbserver_cleanup();
4696
4697 /* No more vcpu or device emulation activity beyond this point */
4698 vm_shutdown();
4699
4700 job_cancel_sync_all();
4701 bdrv_close_all();
4702
4703 res_free();
4704
4705 /* vhost-user must be cleaned up before chardevs. */
4706 tpm_cleanup();
4707 net_cleanup();
4708 audio_cleanup();
4709 monitor_cleanup();
4710 qemu_chr_cleanup();
4711 user_creatable_cleanup();
4712 migration_object_finalize();
4713 /* TODO: unref root container, check all devices are ok */
4714
4715 return 0;
4716 }
AR7 emulation for QEMU