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Revert "bus: do not unref the added child bus on realize"
[qemu/ar7.git] / vl.c
blob6e34fb348d64b36858e15b4edb1a920c5220f083
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qapi/error.h"
27 #include "qemu-version.h"
28 #include "qemu/cutils.h"
29 #include "qemu/help_option.h"
30 #include "qemu/uuid.h"
31 #include "sysemu/seccomp.h"
32
33 #ifdef CONFIG_SDL
34 #if defined(__APPLE__) || defined(main)
35 #include <SDL.h>
36 int qemu_main(int argc, char **argv, char **envp);
37 int main(int argc, char **argv)
38 {
39 return qemu_main(argc, argv, NULL);
40 }
41 #undef main
42 #define main qemu_main
43 #endif
44 #endif /* CONFIG_SDL */
45
46 #ifdef CONFIG_COCOA
47 #undef main
48 #define main qemu_main
49 #endif /* CONFIG_COCOA */
50
51
52 #include "qemu/error-report.h"
53 #include "qemu/sockets.h"
54 #include "hw/hw.h"
55 #include "hw/boards.h"
56 #include "sysemu/accel.h"
57 #include "hw/usb.h"
58 #include "hw/isa/isa.h"
59 #include "hw/scsi/scsi.h"
60 #include "hw/display/vga.h"
61 #include "hw/bt.h"
62 #include "sysemu/watchdog.h"
63 #include "hw/smbios/smbios.h"
64 #include "hw/acpi/acpi.h"
65 #include "hw/xen/xen.h"
66 #include "hw/qdev.h"
67 #include "hw/loader.h"
68 #include "monitor/qdev.h"
69 #include "sysemu/bt.h"
70 #include "net/net.h"
71 #include "net/slirp.h"
72 #include "monitor/monitor.h"
73 #include "ui/console.h"
74 #include "ui/input.h"
75 #include "sysemu/sysemu.h"
76 #include "sysemu/numa.h"
77 #include "exec/gdbstub.h"
78 #include "qemu/timer.h"
79 #include "chardev/char.h"
80 #include "qemu/bitmap.h"
81 #include "qemu/log.h"
82 #include "sysemu/blockdev.h"
83 #include "hw/block/block.h"
84 #include "migration/misc.h"
85 #include "migration/snapshot.h"
86 #include "migration/global_state.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "hw/audio/soundhw.h"
90 #include "audio/audio.h"
91 #include "sysemu/cpus.h"
92 #include "migration/colo.h"
93 #include "migration/postcopy-ram.h"
94 #include "sysemu/kvm.h"
95 #include "sysemu/hax.h"
96 #include "qapi/qobject-input-visitor.h"
97 #include "qemu/option.h"
98 #include "qemu/config-file.h"
99 #include "qemu-options.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace-root.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/arch_init.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qapi/clone-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "exec/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qapi-events-run-state.h"
125 #include "qapi/qapi-visit-block-core.h"
126 #include "qapi/qapi-visit-ui.h"
127 #include "qapi/qapi-commands-block-core.h"
128 #include "qapi/qapi-commands-misc.h"
129 #include "qapi/qapi-commands-run-state.h"
130 #include "qapi/qmp/qerror.h"
131 #include "sysemu/iothread.h"
132
133 #define MAX_VIRTIO_CONSOLES 1
134
135 static const char *data_dir[16];
136 static int data_dir_idx;
137 const char *bios_name = NULL;
138 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
139 int display_opengl;
140 const char* keyboard_layout = NULL;
141 ram_addr_t ram_size;
142 const char *mem_path = NULL;
143 int mem_prealloc = 0; /* force preallocation of physical target memory */
144 bool enable_mlock = false;
145 int nb_nics;
146 NICInfo nd_table[MAX_NICS];
147 int autostart;
148 static int rtc_utc = 1;
149 static int rtc_date_offset = -1; /* -1 means no change */
150 QEMUClockType rtc_clock;
151 int vga_interface_type = VGA_NONE;
152 static DisplayOptions dpy;
153 int no_frame;
154 static int num_serial_hds = 0;
155 static Chardev **serial_hds = NULL;
156 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
157 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 int win2k_install_hack = 0;
159 int singlestep = 0;
160 int smp_cpus;
161 unsigned int max_cpus;
162 int smp_cores = 1;
163 int smp_threads = 1;
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
185
186 int icount_align_option;
187
188 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
189 * little-endian "wire format" described in the SMBIOS 2.6 specification.
190 */
191 QemuUUID qemu_uuid;
192 bool qemu_uuid_set;
193
194 static NotifierList exit_notifiers =
195 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
196
197 static NotifierList machine_init_done_notifiers =
198 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
199
200 bool xen_allowed;
201 uint32_t xen_domid;
202 enum xen_mode xen_mode = XEN_EMULATE;
203 bool xen_domid_restrict;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_monitor = 1;
210 static int default_floppy = 1;
211 static int default_cdrom = 1;
212 static int default_sdcard = 1;
213 static int default_vga = 1;
214 static int default_net = 1;
215
216 static struct {
217 const char *driver;
218 int *flag;
219 } default_list[] = {
220 { .driver = "isa-serial", .flag = &default_serial },
221 { .driver = "isa-parallel", .flag = &default_parallel },
222 { .driver = "isa-fdc", .flag = &default_floppy },
223 { .driver = "floppy", .flag = &default_floppy },
224 { .driver = "ide-cd", .flag = &default_cdrom },
225 { .driver = "ide-hd", .flag = &default_cdrom },
226 { .driver = "ide-drive", .flag = &default_cdrom },
227 { .driver = "scsi-cd", .flag = &default_cdrom },
228 { .driver = "scsi-hd", .flag = &default_cdrom },
229 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
230 { .driver = "virtio-serial", .flag = &default_virtcon },
231 { .driver = "VGA", .flag = &default_vga },
232 { .driver = "isa-vga", .flag = &default_vga },
233 { .driver = "cirrus-vga", .flag = &default_vga },
234 { .driver = "isa-cirrus-vga", .flag = &default_vga },
235 { .driver = "vmware-svga", .flag = &default_vga },
236 { .driver = "qxl-vga", .flag = &default_vga },
237 { .driver = "virtio-vga", .flag = &default_vga },
238 };
239
240 static QemuOptsList qemu_rtc_opts = {
241 .name = "rtc",
242 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
243 .desc = {
244 {
245 .name = "base",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "clock",
249 .type = QEMU_OPT_STRING,
250 },{
251 .name = "driftfix",
252 .type = QEMU_OPT_STRING,
253 },
254 { /* end of list */ }
255 },
256 };
257
258 static QemuOptsList qemu_option_rom_opts = {
259 .name = "option-rom",
260 .implied_opt_name = "romfile",
261 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
262 .desc = {
263 {
264 .name = "bootindex",
265 .type = QEMU_OPT_NUMBER,
266 }, {
267 .name = "romfile",
268 .type = QEMU_OPT_STRING,
269 },
270 { /* end of list */ }
271 },
272 };
273
274 static QemuOptsList qemu_machine_opts = {
275 .name = "machine",
276 .implied_opt_name = "type",
277 .merge_lists = true,
278 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
279 .desc = {
280 /*
281 * no elements => accept any
282 * sanity checking will happen later
283 * when setting machine properties
284 */
285 { }
286 },
287 };
288
289 static QemuOptsList qemu_accel_opts = {
290 .name = "accel",
291 .implied_opt_name = "accel",
292 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
293 .merge_lists = true,
294 .desc = {
295 {
296 .name = "accel",
297 .type = QEMU_OPT_STRING,
298 .help = "Select the type of accelerator",
299 },
300 {
301 .name = "thread",
302 .type = QEMU_OPT_STRING,
303 .help = "Enable/disable multi-threaded TCG",
304 },
305 { /* end of list */ }
306 },
307 };
308
309 static QemuOptsList qemu_boot_opts = {
310 .name = "boot-opts",
311 .implied_opt_name = "order",
312 .merge_lists = true,
313 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
314 .desc = {
315 {
316 .name = "order",
317 .type = QEMU_OPT_STRING,
318 }, {
319 .name = "once",
320 .type = QEMU_OPT_STRING,
321 }, {
322 .name = "menu",
323 .type = QEMU_OPT_BOOL,
324 }, {
325 .name = "splash",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "splash-time",
329 .type = QEMU_OPT_STRING,
330 }, {
331 .name = "reboot-timeout",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "strict",
335 .type = QEMU_OPT_BOOL,
336 },
337 { /*End of list */ }
338 },
339 };
340
341 static QemuOptsList qemu_add_fd_opts = {
342 .name = "add-fd",
343 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
344 .desc = {
345 {
346 .name = "fd",
347 .type = QEMU_OPT_NUMBER,
348 .help = "file descriptor of which a duplicate is added to fd set",
349 },{
350 .name = "set",
351 .type = QEMU_OPT_NUMBER,
352 .help = "ID of the fd set to add fd to",
353 },{
354 .name = "opaque",
355 .type = QEMU_OPT_STRING,
356 .help = "free-form string used to describe fd",
357 },
358 { /* end of list */ }
359 },
360 };
361
362 static QemuOptsList qemu_object_opts = {
363 .name = "object",
364 .implied_opt_name = "qom-type",
365 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
366 .desc = {
367 { }
368 },
369 };
370
371 static QemuOptsList qemu_tpmdev_opts = {
372 .name = "tpmdev",
373 .implied_opt_name = "type",
374 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
375 .desc = {
376 /* options are defined in the TPM backends */
377 { /* end of list */ }
378 },
379 };
380
381 static QemuOptsList qemu_realtime_opts = {
382 .name = "realtime",
383 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
384 .desc = {
385 {
386 .name = "mlock",
387 .type = QEMU_OPT_BOOL,
388 },
389 { /* end of list */ }
390 },
391 };
392
393 static QemuOptsList qemu_msg_opts = {
394 .name = "msg",
395 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
396 .desc = {
397 {
398 .name = "timestamp",
399 .type = QEMU_OPT_BOOL,
400 },
401 { /* end of list */ }
402 },
403 };
404
405 static QemuOptsList qemu_name_opts = {
406 .name = "name",
407 .implied_opt_name = "guest",
408 .merge_lists = true,
409 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
410 .desc = {
411 {
412 .name = "guest",
413 .type = QEMU_OPT_STRING,
414 .help = "Sets the name of the guest.\n"
415 "This name will be displayed in the SDL window caption.\n"
416 "The name will also be used for the VNC server",
417 }, {
418 .name = "process",
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the QEMU process, as shown in top etc",
421 }, {
422 .name = "debug-threads",
423 .type = QEMU_OPT_BOOL,
424 .help = "When enabled, name the individual threads; defaults off.\n"
425 "NOTE: The thread names are for debugging and not a\n"
426 "stable API.",
427 },
428 { /* End of list */ }
429 },
430 };
431
432 static QemuOptsList qemu_mem_opts = {
433 .name = "memory",
434 .implied_opt_name = "size",
435 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
436 .merge_lists = true,
437 .desc = {
438 {
439 .name = "size",
440 .type = QEMU_OPT_SIZE,
441 },
442 {
443 .name = "slots",
444 .type = QEMU_OPT_NUMBER,
445 },
446 {
447 .name = "maxmem",
448 .type = QEMU_OPT_SIZE,
449 },
450 { /* end of list */ }
451 },
452 };
453
454 static QemuOptsList qemu_icount_opts = {
455 .name = "icount",
456 .implied_opt_name = "shift",
457 .merge_lists = true,
458 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
459 .desc = {
460 {
461 .name = "shift",
462 .type = QEMU_OPT_STRING,
463 }, {
464 .name = "align",
465 .type = QEMU_OPT_BOOL,
466 }, {
467 .name = "sleep",
468 .type = QEMU_OPT_BOOL,
469 }, {
470 .name = "rr",
471 .type = QEMU_OPT_STRING,
472 }, {
473 .name = "rrfile",
474 .type = QEMU_OPT_STRING,
475 }, {
476 .name = "rrsnapshot",
477 .type = QEMU_OPT_STRING,
478 },
479 { /* end of list */ }
480 },
481 };
482
483 static QemuOptsList qemu_semihosting_config_opts = {
484 .name = "semihosting-config",
485 .implied_opt_name = "enable",
486 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
487 .desc = {
488 {
489 .name = "enable",
490 .type = QEMU_OPT_BOOL,
491 }, {
492 .name = "target",
493 .type = QEMU_OPT_STRING,
494 }, {
495 .name = "arg",
496 .type = QEMU_OPT_STRING,
497 },
498 { /* end of list */ }
499 },
500 };
501
502 static QemuOptsList qemu_fw_cfg_opts = {
503 .name = "fw_cfg",
504 .implied_opt_name = "name",
505 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
506 .desc = {
507 {
508 .name = "name",
509 .type = QEMU_OPT_STRING,
510 .help = "Sets the fw_cfg name of the blob to be inserted",
511 }, {
512 .name = "file",
513 .type = QEMU_OPT_STRING,
514 .help = "Sets the name of the file from which\n"
515 "the fw_cfg blob will be loaded",
516 }, {
517 .name = "string",
518 .type = QEMU_OPT_STRING,
519 .help = "Sets content of the blob to be inserted from a string",
520 },
521 { /* end of list */ }
522 },
523 };
524
525 /**
526 * Get machine options
527 *
528 * Returns: machine options (never null).
529 */
530 QemuOpts *qemu_get_machine_opts(void)
531 {
532 return qemu_find_opts_singleton("machine");
533 }
534
535 const char *qemu_get_vm_name(void)
536 {
537 return qemu_name;
538 }
539
540 static void res_free(void)
541 {
542 g_free(boot_splash_filedata);
543 boot_splash_filedata = NULL;
544 }
545
546 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
547 {
548 const char *driver = qemu_opt_get(opts, "driver");
549 int i;
550
551 if (!driver)
552 return 0;
553 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
554 if (strcmp(default_list[i].driver, driver) != 0)
555 continue;
556 *(default_list[i].flag) = 0;
557 }
558 return 0;
559 }
560
561 /***********************************************************/
562 /* QEMU state */
563
564 static RunState current_run_state = RUN_STATE_PRECONFIG;
565
566 /* We use RUN_STATE__MAX but any invalid value will do */
567 static RunState vmstop_requested = RUN_STATE__MAX;
568 static QemuMutex vmstop_lock;
569
570 typedef struct {
571 RunState from;
572 RunState to;
573 } RunStateTransition;
574
575 static const RunStateTransition runstate_transitions_def[] = {
576 /* from -> to */
577 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
578 /* Early switch to inmigrate state to allow -incoming CLI option work
579 * as it used to. TODO: delay actual switching to inmigrate state to
580 * the point after machine is built and remove this hack.
581 */
582 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
583
584 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
585 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
586 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
587
588 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
589 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
590 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
591 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
592 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
593 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
595 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
596 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
598 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
599 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
600
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
602 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
606 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
608
609 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
610 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
611 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
612 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
613 { RUN_STATE_PAUSED, RUN_STATE_COLO},
614
615 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
616 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
617 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
618
619 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
620 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
622
623 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
624 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
625 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
626 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
627 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
628
629 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
630 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
631
632 { RUN_STATE_COLO, RUN_STATE_RUNNING },
633
634 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
635 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
636 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
637 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
638 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
640 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
641 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
642 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
643 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
644 { RUN_STATE_RUNNING, RUN_STATE_COLO},
645
646 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
647
648 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
649 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
651
652 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
653 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
654 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
655 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
656 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
657 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
658
659 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
660 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
661 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
662 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
663
664 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
665 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
667
668 { RUN_STATE__MAX, RUN_STATE__MAX },
669 };
670
671 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
672
673 bool runstate_check(RunState state)
674 {
675 return current_run_state == state;
676 }
677
678 bool runstate_store(char *str, size_t size)
679 {
680 const char *state = RunState_str(current_run_state);
681 size_t len = strlen(state) + 1;
682
683 if (len > size) {
684 return false;
685 }
686 memcpy(str, state, len);
687 return true;
688 }
689
690 static void runstate_init(void)
691 {
692 const RunStateTransition *p;
693
694 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
695 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
696 runstate_valid_transitions[p->from][p->to] = true;
697 }
698
699 qemu_mutex_init(&vmstop_lock);
700 }
701
702 /* This function will abort() on invalid state transitions */
703 void runstate_set(RunState new_state)
704 {
705 assert(new_state < RUN_STATE__MAX);
706
707 if (current_run_state == new_state) {
708 return;
709 }
710
711 if (!runstate_valid_transitions[current_run_state][new_state]) {
712 error_report("invalid runstate transition: '%s' -> '%s'",
713 RunState_str(current_run_state),
714 RunState_str(new_state));
715 abort();
716 }
717 trace_runstate_set(new_state);
718 current_run_state = new_state;
719 }
720
721 int runstate_is_running(void)
722 {
723 return runstate_check(RUN_STATE_RUNNING);
724 }
725
726 bool runstate_needs_reset(void)
727 {
728 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
729 runstate_check(RUN_STATE_SHUTDOWN);
730 }
731
732 StatusInfo *qmp_query_status(Error **errp)
733 {
734 StatusInfo *info = g_malloc0(sizeof(*info));
735
736 info->running = runstate_is_running();
737 info->singlestep = singlestep;
738 info->status = current_run_state;
739
740 return info;
741 }
742
743 bool qemu_vmstop_requested(RunState *r)
744 {
745 qemu_mutex_lock(&vmstop_lock);
746 *r = vmstop_requested;
747 vmstop_requested = RUN_STATE__MAX;
748 qemu_mutex_unlock(&vmstop_lock);
749 return *r < RUN_STATE__MAX;
750 }
751
752 void qemu_system_vmstop_request_prepare(void)
753 {
754 qemu_mutex_lock(&vmstop_lock);
755 }
756
757 void qemu_system_vmstop_request(RunState state)
758 {
759 vmstop_requested = state;
760 qemu_mutex_unlock(&vmstop_lock);
761 qemu_notify_event();
762 }
763
764 /***********************************************************/
765 /* real time host monotonic timer */
766
767 static time_t qemu_time(void)
768 {
769 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
770 }
771
772 /***********************************************************/
773 /* host time/date access */
774 void qemu_get_timedate(struct tm *tm, int offset)
775 {
776 time_t ti = qemu_time();
777
778 ti += offset;
779 if (rtc_date_offset == -1) {
780 if (rtc_utc)
781 gmtime_r(&ti, tm);
782 else
783 localtime_r(&ti, tm);
784 } else {
785 ti -= rtc_date_offset;
786 gmtime_r(&ti, tm);
787 }
788 }
789
790 int qemu_timedate_diff(struct tm *tm)
791 {
792 time_t seconds;
793
794 if (rtc_date_offset == -1)
795 if (rtc_utc)
796 seconds = mktimegm(tm);
797 else {
798 struct tm tmp = *tm;
799 tmp.tm_isdst = -1; /* use timezone to figure it out */
800 seconds = mktime(&tmp);
801 }
802 else
803 seconds = mktimegm(tm) + rtc_date_offset;
804
805 return seconds - qemu_time();
806 }
807
808 static void configure_rtc_date_offset(const char *startdate, int legacy)
809 {
810 time_t rtc_start_date;
811 struct tm tm;
812
813 if (!strcmp(startdate, "now") && legacy) {
814 rtc_date_offset = -1;
815 } else {
816 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
817 &tm.tm_year,
818 &tm.tm_mon,
819 &tm.tm_mday,
820 &tm.tm_hour,
821 &tm.tm_min,
822 &tm.tm_sec) == 6) {
823 /* OK */
824 } else if (sscanf(startdate, "%d-%d-%d",
825 &tm.tm_year,
826 &tm.tm_mon,
827 &tm.tm_mday) == 3) {
828 tm.tm_hour = 0;
829 tm.tm_min = 0;
830 tm.tm_sec = 0;
831 } else {
832 goto date_fail;
833 }
834 tm.tm_year -= 1900;
835 tm.tm_mon--;
836 rtc_start_date = mktimegm(&tm);
837 if (rtc_start_date == -1) {
838 date_fail:
839 error_report("invalid date format");
840 error_printf("valid formats: "
841 "'2006-06-17T16:01:21' or '2006-06-17'\n");
842 exit(1);
843 }
844 rtc_date_offset = qemu_time() - rtc_start_date;
845 }
846 }
847
848 static void configure_rtc(QemuOpts *opts)
849 {
850 const char *value;
851
852 value = qemu_opt_get(opts, "base");
853 if (value) {
854 if (!strcmp(value, "utc")) {
855 rtc_utc = 1;
856 } else if (!strcmp(value, "localtime")) {
857 Error *blocker = NULL;
858 rtc_utc = 0;
859 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
860 "-rtc base=localtime");
861 replay_add_blocker(blocker);
862 } else {
863 configure_rtc_date_offset(value, 0);
864 }
865 }
866 value = qemu_opt_get(opts, "clock");
867 if (value) {
868 if (!strcmp(value, "host")) {
869 rtc_clock = QEMU_CLOCK_HOST;
870 } else if (!strcmp(value, "rt")) {
871 rtc_clock = QEMU_CLOCK_REALTIME;
872 } else if (!strcmp(value, "vm")) {
873 rtc_clock = QEMU_CLOCK_VIRTUAL;
874 } else {
875 error_report("invalid option value '%s'", value);
876 exit(1);
877 }
878 }
879 value = qemu_opt_get(opts, "driftfix");
880 if (value) {
881 if (!strcmp(value, "slew")) {
882 static GlobalProperty slew_lost_ticks = {
883 .driver = "mc146818rtc",
884 .property = "lost_tick_policy",
885 .value = "slew",
886 };
887
888 qdev_prop_register_global(&slew_lost_ticks);
889 } else if (!strcmp(value, "none")) {
890 /* discard is default */
891 } else {
892 error_report("invalid option value '%s'", value);
893 exit(1);
894 }
895 }
896 }
897
898 /***********************************************************/
899 /* Bluetooth support */
900 static int nb_hcis;
901 static int cur_hci;
902 static struct HCIInfo *hci_table[MAX_NICS];
903
904 struct HCIInfo *qemu_next_hci(void)
905 {
906 if (cur_hci == nb_hcis)
907 return &null_hci;
908
909 return hci_table[cur_hci++];
910 }
911
912 static int bt_hci_parse(const char *str)
913 {
914 struct HCIInfo *hci;
915 bdaddr_t bdaddr;
916
917 if (nb_hcis >= MAX_NICS) {
918 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
919 return -1;
920 }
921
922 hci = hci_init(str);
923 if (!hci)
924 return -1;
925
926 bdaddr.b[0] = 0x52;
927 bdaddr.b[1] = 0x54;
928 bdaddr.b[2] = 0x00;
929 bdaddr.b[3] = 0x12;
930 bdaddr.b[4] = 0x34;
931 bdaddr.b[5] = 0x56 + nb_hcis;
932 hci->bdaddr_set(hci, bdaddr.b);
933
934 hci_table[nb_hcis++] = hci;
935
936 return 0;
937 }
938
939 static void bt_vhci_add(int vlan_id)
940 {
941 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
942
943 if (!vlan->slave)
944 warn_report("adding a VHCI to an empty scatternet %i",
945 vlan_id);
946
947 bt_vhci_init(bt_new_hci(vlan));
948 }
949
950 static struct bt_device_s *bt_device_add(const char *opt)
951 {
952 struct bt_scatternet_s *vlan;
953 int vlan_id = 0;
954 char *endp = strstr(opt, ",vlan=");
955 int len = (endp ? endp - opt : strlen(opt)) + 1;
956 char devname[10];
957
958 pstrcpy(devname, MIN(sizeof(devname), len), opt);
959
960 if (endp) {
961 vlan_id = strtol(endp + 6, &endp, 0);
962 if (*endp) {
963 error_report("unrecognised bluetooth vlan Id");
964 return 0;
965 }
966 }
967
968 vlan = qemu_find_bt_vlan(vlan_id);
969
970 if (!vlan->slave)
971 warn_report("adding a slave device to an empty scatternet %i",
972 vlan_id);
973
974 if (!strcmp(devname, "keyboard"))
975 return bt_keyboard_init(vlan);
976
977 error_report("unsupported bluetooth device '%s'", devname);
978 return 0;
979 }
980
981 static int bt_parse(const char *opt)
982 {
983 const char *endp, *p;
984 int vlan;
985
986 if (strstart(opt, "hci", &endp)) {
987 if (!*endp || *endp == ',') {
988 if (*endp)
989 if (!strstart(endp, ",vlan=", 0))
990 opt = endp + 1;
991
992 return bt_hci_parse(opt);
993 }
994 } else if (strstart(opt, "vhci", &endp)) {
995 if (!*endp || *endp == ',') {
996 if (*endp) {
997 if (strstart(endp, ",vlan=", &p)) {
998 vlan = strtol(p, (char **) &endp, 0);
999 if (*endp) {
1000 error_report("bad scatternet '%s'", p);
1001 return 1;
1002 }
1003 } else {
1004 error_report("bad parameter '%s'", endp + 1);
1005 return 1;
1006 }
1007 } else
1008 vlan = 0;
1009
1010 bt_vhci_add(vlan);
1011 return 0;
1012 }
1013 } else if (strstart(opt, "device:", &endp))
1014 return !bt_device_add(endp);
1015
1016 error_report("bad bluetooth parameter '%s'", opt);
1017 return 1;
1018 }
1019
1020 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1021 {
1022 const char *proc_name;
1023
1024 if (qemu_opt_get(opts, "debug-threads")) {
1025 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1026 }
1027 qemu_name = qemu_opt_get(opts, "guest");
1028
1029 proc_name = qemu_opt_get(opts, "process");
1030 if (proc_name) {
1031 os_set_proc_name(proc_name);
1032 }
1033
1034 return 0;
1035 }
1036
1037 bool defaults_enabled(void)
1038 {
1039 return has_defaults;
1040 }
1041
1042 #ifndef _WIN32
1043 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1044 {
1045 int fd, dupfd, flags;
1046 int64_t fdset_id;
1047 const char *fd_opaque = NULL;
1048 AddfdInfo *fdinfo;
1049
1050 fd = qemu_opt_get_number(opts, "fd", -1);
1051 fdset_id = qemu_opt_get_number(opts, "set", -1);
1052 fd_opaque = qemu_opt_get(opts, "opaque");
1053
1054 if (fd < 0) {
1055 error_report("fd option is required and must be non-negative");
1056 return -1;
1057 }
1058
1059 if (fd <= STDERR_FILENO) {
1060 error_report("fd cannot be a standard I/O stream");
1061 return -1;
1062 }
1063
1064 /*
1065 * All fds inherited across exec() necessarily have FD_CLOEXEC
1066 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1067 */
1068 flags = fcntl(fd, F_GETFD);
1069 if (flags == -1 || (flags & FD_CLOEXEC)) {
1070 error_report("fd is not valid or already in use");
1071 return -1;
1072 }
1073
1074 if (fdset_id < 0) {
1075 error_report("set option is required and must be non-negative");
1076 return -1;
1077 }
1078
1079 #ifdef F_DUPFD_CLOEXEC
1080 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1081 #else
1082 dupfd = dup(fd);
1083 if (dupfd != -1) {
1084 qemu_set_cloexec(dupfd);
1085 }
1086 #endif
1087 if (dupfd == -1) {
1088 error_report("error duplicating fd: %s", strerror(errno));
1089 return -1;
1090 }
1091
1092 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1093 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1094 &error_abort);
1095 g_free(fdinfo);
1096
1097 return 0;
1098 }
1099
1100 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1101 {
1102 int fd;
1103
1104 fd = qemu_opt_get_number(opts, "fd", -1);
1105 close(fd);
1106
1107 return 0;
1108 }
1109 #endif
1110
1111 /***********************************************************/
1112 /* QEMU Block devices */
1113
1114 #define HD_OPTS "media=disk"
1115 #define CDROM_OPTS "media=cdrom"
1116 #define FD_OPTS ""
1117 #define PFLASH_OPTS ""
1118 #define MTD_OPTS ""
1119 #define SD_OPTS ""
1120
1121 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1122 {
1123 BlockInterfaceType *block_default_type = opaque;
1124
1125 return drive_new(opts, *block_default_type) == NULL;
1126 }
1127
1128 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1129 {
1130 if (qemu_opt_get(opts, "snapshot") == NULL) {
1131 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1132 }
1133 return 0;
1134 }
1135
1136 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1137 int index, const char *optstr)
1138 {
1139 QemuOpts *opts;
1140 DriveInfo *dinfo;
1141
1142 if (!enable || drive_get_by_index(type, index)) {
1143 return;
1144 }
1145
1146 opts = drive_add(type, index, NULL, optstr);
1147 if (snapshot) {
1148 drive_enable_snapshot(NULL, opts, NULL);
1149 }
1150
1151 dinfo = drive_new(opts, type);
1152 if (!dinfo) {
1153 exit(1);
1154 }
1155 dinfo->is_default = true;
1156
1157 }
1158
1159 static QemuOptsList qemu_smp_opts = {
1160 .name = "smp-opts",
1161 .implied_opt_name = "cpus",
1162 .merge_lists = true,
1163 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1164 .desc = {
1165 {
1166 .name = "cpus",
1167 .type = QEMU_OPT_NUMBER,
1168 }, {
1169 .name = "sockets",
1170 .type = QEMU_OPT_NUMBER,
1171 }, {
1172 .name = "cores",
1173 .type = QEMU_OPT_NUMBER,
1174 }, {
1175 .name = "threads",
1176 .type = QEMU_OPT_NUMBER,
1177 }, {
1178 .name = "maxcpus",
1179 .type = QEMU_OPT_NUMBER,
1180 },
1181 { /*End of list */ }
1182 },
1183 };
1184
1185 static void smp_parse(QemuOpts *opts)
1186 {
1187 if (opts) {
1188 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1189 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1190 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1191 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1192
1193 /* compute missing values, prefer sockets over cores over threads */
1194 if (cpus == 0 || sockets == 0) {
1195 sockets = sockets > 0 ? sockets : 1;
1196 cores = cores > 0 ? cores : 1;
1197 threads = threads > 0 ? threads : 1;
1198 if (cpus == 0) {
1199 cpus = cores * threads * sockets;
1200 }
1201 } else if (cores == 0) {
1202 threads = threads > 0 ? threads : 1;
1203 cores = cpus / (sockets * threads);
1204 cores = cores > 0 ? cores : 1;
1205 } else if (threads == 0) {
1206 threads = cpus / (cores * sockets);
1207 threads = threads > 0 ? threads : 1;
1208 } else if (sockets * cores * threads < cpus) {
1209 error_report("cpu topology: "
1210 "sockets (%u) * cores (%u) * threads (%u) < "
1211 "smp_cpus (%u)",
1212 sockets, cores, threads, cpus);
1213 exit(1);
1214 }
1215
1216 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1217
1218 if (max_cpus < cpus) {
1219 error_report("maxcpus must be equal to or greater than smp");
1220 exit(1);
1221 }
1222
1223 if (sockets * cores * threads > max_cpus) {
1224 error_report("cpu topology: "
1225 "sockets (%u) * cores (%u) * threads (%u) > "
1226 "maxcpus (%u)",
1227 sockets, cores, threads, max_cpus);
1228 exit(1);
1229 }
1230
1231 smp_cpus = cpus;
1232 smp_cores = cores;
1233 smp_threads = threads;
1234 }
1235
1236 if (smp_cpus > 1) {
1237 Error *blocker = NULL;
1238 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1239 replay_add_blocker(blocker);
1240 }
1241 }
1242
1243 static void realtime_init(void)
1244 {
1245 if (enable_mlock) {
1246 if (os_mlock() < 0) {
1247 error_report("locking memory failed");
1248 exit(1);
1249 }
1250 }
1251 }
1252
1253
1254 static void configure_msg(QemuOpts *opts)
1255 {
1256 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1257 }
1258
1259 /***********************************************************/
1260 /* Semihosting */
1261
1262 typedef struct SemihostingConfig {
1263 bool enabled;
1264 SemihostingTarget target;
1265 const char **argv;
1266 int argc;
1267 const char *cmdline; /* concatenated argv */
1268 } SemihostingConfig;
1269
1270 static SemihostingConfig semihosting;
1271
1272 bool semihosting_enabled(void)
1273 {
1274 return semihosting.enabled;
1275 }
1276
1277 SemihostingTarget semihosting_get_target(void)
1278 {
1279 return semihosting.target;
1280 }
1281
1282 const char *semihosting_get_arg(int i)
1283 {
1284 if (i >= semihosting.argc) {
1285 return NULL;
1286 }
1287 return semihosting.argv[i];
1288 }
1289
1290 int semihosting_get_argc(void)
1291 {
1292 return semihosting.argc;
1293 }
1294
1295 const char *semihosting_get_cmdline(void)
1296 {
1297 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1298 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1299 }
1300 return semihosting.cmdline;
1301 }
1302
1303 static int add_semihosting_arg(void *opaque,
1304 const char *name, const char *val,
1305 Error **errp)
1306 {
1307 SemihostingConfig *s = opaque;
1308 if (strcmp(name, "arg") == 0) {
1309 s->argc++;
1310 /* one extra element as g_strjoinv() expects NULL-terminated array */
1311 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1312 s->argv[s->argc - 1] = val;
1313 s->argv[s->argc] = NULL;
1314 }
1315 return 0;
1316 }
1317
1318 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1319 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1320 {
1321 char *cmd_token;
1322
1323 /* argv[0] */
1324 add_semihosting_arg(&semihosting, "arg", file, NULL);
1325
1326 /* split -append and initialize argv[1..n] */
1327 cmd_token = strtok(g_strdup(cmd), " ");
1328 while (cmd_token) {
1329 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1330 cmd_token = strtok(NULL, " ");
1331 }
1332 }
1333
1334 /* Now we still need this for compatibility with XEN. */
1335 bool has_igd_gfx_passthru;
1336 static void igd_gfx_passthru(void)
1337 {
1338 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1339 }
1340
1341 /***********************************************************/
1342 /* USB devices */
1343
1344 static int usb_device_add(const char *devname)
1345 {
1346 USBDevice *dev = NULL;
1347
1348 if (!machine_usb(current_machine)) {
1349 return -1;
1350 }
1351
1352 dev = usbdevice_create(devname);
1353 if (!dev)
1354 return -1;
1355
1356 return 0;
1357 }
1358
1359 static int usb_parse(const char *cmdline)
1360 {
1361 int r;
1362 r = usb_device_add(cmdline);
1363 if (r < 0) {
1364 error_report("could not add USB device '%s'", cmdline);
1365 }
1366 return r;
1367 }
1368
1369 /***********************************************************/
1370 /* machine registration */
1371
1372 MachineState *current_machine;
1373
1374 static MachineClass *find_machine(const char *name)
1375 {
1376 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1377 MachineClass *mc = NULL;
1378
1379 for (el = machines; el; el = el->next) {
1380 MachineClass *temp = el->data;
1381
1382 if (!strcmp(temp->name, name)) {
1383 mc = temp;
1384 break;
1385 }
1386 if (temp->alias &&
1387 !strcmp(temp->alias, name)) {
1388 mc = temp;
1389 break;
1390 }
1391 }
1392
1393 g_slist_free(machines);
1394 return mc;
1395 }
1396
1397 MachineClass *find_default_machine(void)
1398 {
1399 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1400 MachineClass *mc = NULL;
1401
1402 for (el = machines; el; el = el->next) {
1403 MachineClass *temp = el->data;
1404
1405 if (temp->is_default) {
1406 mc = temp;
1407 break;
1408 }
1409 }
1410
1411 g_slist_free(machines);
1412 return mc;
1413 }
1414
1415 MachineInfoList *qmp_query_machines(Error **errp)
1416 {
1417 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1418 MachineInfoList *mach_list = NULL;
1419
1420 for (el = machines; el; el = el->next) {
1421 MachineClass *mc = el->data;
1422 MachineInfoList *entry;
1423 MachineInfo *info;
1424
1425 info = g_malloc0(sizeof(*info));
1426 if (mc->is_default) {
1427 info->has_is_default = true;
1428 info->is_default = true;
1429 }
1430
1431 if (mc->alias) {
1432 info->has_alias = true;
1433 info->alias = g_strdup(mc->alias);
1434 }
1435
1436 info->name = g_strdup(mc->name);
1437 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1438 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1439
1440 entry = g_malloc0(sizeof(*entry));
1441 entry->value = info;
1442 entry->next = mach_list;
1443 mach_list = entry;
1444 }
1445
1446 g_slist_free(machines);
1447 return mach_list;
1448 }
1449
1450 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1451 {
1452 ObjectProperty *prop;
1453 ObjectPropertyIterator iter;
1454
1455 if (!qemu_opt_has_help_opt(opts)) {
1456 return 0;
1457 }
1458
1459 object_property_iter_init(&iter, OBJECT(machine));
1460 while ((prop = object_property_iter_next(&iter))) {
1461 if (!prop->set) {
1462 continue;
1463 }
1464
1465 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1466 prop->name, prop->type);
1467 if (prop->description) {
1468 error_printf(" (%s)\n", prop->description);
1469 } else {
1470 error_printf("\n");
1471 }
1472 }
1473
1474 return 1;
1475 }
1476
1477 /***********************************************************/
1478 /* main execution loop */
1479
1480 struct vm_change_state_entry {
1481 VMChangeStateHandler *cb;
1482 void *opaque;
1483 QLIST_ENTRY (vm_change_state_entry) entries;
1484 };
1485
1486 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1487
1488 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1489 void *opaque)
1490 {
1491 VMChangeStateEntry *e;
1492
1493 e = g_malloc0(sizeof (*e));
1494
1495 e->cb = cb;
1496 e->opaque = opaque;
1497 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1498 return e;
1499 }
1500
1501 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1502 {
1503 QLIST_REMOVE (e, entries);
1504 g_free (e);
1505 }
1506
1507 void vm_state_notify(int running, RunState state)
1508 {
1509 VMChangeStateEntry *e, *next;
1510
1511 trace_vm_state_notify(running, state);
1512
1513 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1514 e->cb(e->opaque, running, state);
1515 }
1516 }
1517
1518 static ShutdownCause reset_requested;
1519 static ShutdownCause shutdown_requested;
1520 static int shutdown_signal;
1521 static pid_t shutdown_pid;
1522 static int powerdown_requested;
1523 static int debug_requested;
1524 static int suspend_requested;
1525 static bool preconfig_exit_requested = true;
1526 static WakeupReason wakeup_reason;
1527 static NotifierList powerdown_notifiers =
1528 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1529 static NotifierList suspend_notifiers =
1530 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1531 static NotifierList wakeup_notifiers =
1532 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1533 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1534
1535 ShutdownCause qemu_shutdown_requested_get(void)
1536 {
1537 return shutdown_requested;
1538 }
1539
1540 ShutdownCause qemu_reset_requested_get(void)
1541 {
1542 return reset_requested;
1543 }
1544
1545 static int qemu_shutdown_requested(void)
1546 {
1547 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1548 }
1549
1550 static void qemu_kill_report(void)
1551 {
1552 if (!qtest_driver() && shutdown_signal) {
1553 if (shutdown_pid == 0) {
1554 /* This happens for eg ^C at the terminal, so it's worth
1555 * avoiding printing an odd message in that case.
1556 */
1557 error_report("terminating on signal %d", shutdown_signal);
1558 } else {
1559 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1560
1561 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1562 shutdown_signal, shutdown_pid,
1563 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1564 g_free(shutdown_cmd);
1565 }
1566 shutdown_signal = 0;
1567 }
1568 }
1569
1570 static ShutdownCause qemu_reset_requested(void)
1571 {
1572 ShutdownCause r = reset_requested;
1573
1574 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1575 reset_requested = SHUTDOWN_CAUSE_NONE;
1576 return r;
1577 }
1578 return SHUTDOWN_CAUSE_NONE;
1579 }
1580
1581 static int qemu_suspend_requested(void)
1582 {
1583 int r = suspend_requested;
1584 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1585 suspend_requested = 0;
1586 return r;
1587 }
1588 return false;
1589 }
1590
1591 static WakeupReason qemu_wakeup_requested(void)
1592 {
1593 return wakeup_reason;
1594 }
1595
1596 static int qemu_powerdown_requested(void)
1597 {
1598 int r = powerdown_requested;
1599 powerdown_requested = 0;
1600 return r;
1601 }
1602
1603 static int qemu_debug_requested(void)
1604 {
1605 int r = debug_requested;
1606 debug_requested = 0;
1607 return r;
1608 }
1609
1610 void qemu_exit_preconfig_request(void)
1611 {
1612 preconfig_exit_requested = true;
1613 }
1614
1615 /*
1616 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1617 */
1618 void qemu_system_reset(ShutdownCause reason)
1619 {
1620 MachineClass *mc;
1621
1622 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1623
1624 cpu_synchronize_all_states();
1625
1626 if (mc && mc->reset) {
1627 mc->reset();
1628 } else {
1629 qemu_devices_reset();
1630 }
1631 if (reason) {
1632 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1633 &error_abort);
1634 }
1635 cpu_synchronize_all_post_reset();
1636 }
1637
1638 void qemu_system_guest_panicked(GuestPanicInformation *info)
1639 {
1640 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1641
1642 if (current_cpu) {
1643 current_cpu->crash_occurred = true;
1644 }
1645 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1646 !!info, info, &error_abort);
1647 vm_stop(RUN_STATE_GUEST_PANICKED);
1648 if (!no_shutdown) {
1649 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1650 !!info, info, &error_abort);
1651 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1652 }
1653
1654 if (info) {
1655 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1656 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1657 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1658 info->u.hyper_v.arg1,
1659 info->u.hyper_v.arg2,
1660 info->u.hyper_v.arg3,
1661 info->u.hyper_v.arg4,
1662 info->u.hyper_v.arg5);
1663 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1664 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1665 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1666 info->u.s390.core,
1667 S390CrashReason_str(info->u.s390.reason),
1668 info->u.s390.psw_mask,
1669 info->u.s390.psw_addr);
1670 }
1671 qapi_free_GuestPanicInformation(info);
1672 }
1673 }
1674
1675 void qemu_system_reset_request(ShutdownCause reason)
1676 {
1677 if (no_reboot) {
1678 shutdown_requested = reason;
1679 } else {
1680 reset_requested = reason;
1681 }
1682 cpu_stop_current();
1683 qemu_notify_event();
1684 }
1685
1686 static void qemu_system_suspend(void)
1687 {
1688 pause_all_vcpus();
1689 notifier_list_notify(&suspend_notifiers, NULL);
1690 runstate_set(RUN_STATE_SUSPENDED);
1691 qapi_event_send_suspend(&error_abort);
1692 }
1693
1694 void qemu_system_suspend_request(void)
1695 {
1696 if (runstate_check(RUN_STATE_SUSPENDED)) {
1697 return;
1698 }
1699 suspend_requested = 1;
1700 cpu_stop_current();
1701 qemu_notify_event();
1702 }
1703
1704 void qemu_register_suspend_notifier(Notifier *notifier)
1705 {
1706 notifier_list_add(&suspend_notifiers, notifier);
1707 }
1708
1709 void qemu_system_wakeup_request(WakeupReason reason)
1710 {
1711 trace_system_wakeup_request(reason);
1712
1713 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1714 return;
1715 }
1716 if (!(wakeup_reason_mask & (1 << reason))) {
1717 return;
1718 }
1719 runstate_set(RUN_STATE_RUNNING);
1720 wakeup_reason = reason;
1721 qemu_notify_event();
1722 }
1723
1724 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1725 {
1726 if (enabled) {
1727 wakeup_reason_mask |= (1 << reason);
1728 } else {
1729 wakeup_reason_mask &= ~(1 << reason);
1730 }
1731 }
1732
1733 void qemu_register_wakeup_notifier(Notifier *notifier)
1734 {
1735 notifier_list_add(&wakeup_notifiers, notifier);
1736 }
1737
1738 void qemu_system_killed(int signal, pid_t pid)
1739 {
1740 shutdown_signal = signal;
1741 shutdown_pid = pid;
1742 no_shutdown = 0;
1743
1744 /* Cannot call qemu_system_shutdown_request directly because
1745 * we are in a signal handler.
1746 */
1747 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1748 qemu_notify_event();
1749 }
1750
1751 void qemu_system_shutdown_request(ShutdownCause reason)
1752 {
1753 trace_qemu_system_shutdown_request(reason);
1754 replay_shutdown_request(reason);
1755 shutdown_requested = reason;
1756 qemu_notify_event();
1757 }
1758
1759 static void qemu_system_powerdown(void)
1760 {
1761 qapi_event_send_powerdown(&error_abort);
1762 notifier_list_notify(&powerdown_notifiers, NULL);
1763 }
1764
1765 void qemu_system_powerdown_request(void)
1766 {
1767 trace_qemu_system_powerdown_request();
1768 powerdown_requested = 1;
1769 qemu_notify_event();
1770 }
1771
1772 void qemu_register_powerdown_notifier(Notifier *notifier)
1773 {
1774 notifier_list_add(&powerdown_notifiers, notifier);
1775 }
1776
1777 void qemu_system_debug_request(void)
1778 {
1779 debug_requested = 1;
1780 qemu_notify_event();
1781 }
1782
1783 static bool main_loop_should_exit(void)
1784 {
1785 RunState r;
1786 ShutdownCause request;
1787
1788 if (preconfig_exit_requested) {
1789 if (runstate_check(RUN_STATE_PRECONFIG)) {
1790 runstate_set(RUN_STATE_PRELAUNCH);
1791 }
1792 preconfig_exit_requested = false;
1793 return true;
1794 }
1795 if (qemu_debug_requested()) {
1796 vm_stop(RUN_STATE_DEBUG);
1797 }
1798 if (qemu_suspend_requested()) {
1799 qemu_system_suspend();
1800 }
1801 request = qemu_shutdown_requested();
1802 if (request) {
1803 qemu_kill_report();
1804 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1805 &error_abort);
1806 if (no_shutdown) {
1807 vm_stop(RUN_STATE_SHUTDOWN);
1808 } else {
1809 return true;
1810 }
1811 }
1812 request = qemu_reset_requested();
1813 if (request) {
1814 pause_all_vcpus();
1815 qemu_system_reset(request);
1816 resume_all_vcpus();
1817 if (!runstate_check(RUN_STATE_RUNNING) &&
1818 !runstate_check(RUN_STATE_INMIGRATE)) {
1819 runstate_set(RUN_STATE_PRELAUNCH);
1820 }
1821 }
1822 if (qemu_wakeup_requested()) {
1823 pause_all_vcpus();
1824 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1825 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1826 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1827 resume_all_vcpus();
1828 qapi_event_send_wakeup(&error_abort);
1829 }
1830 if (qemu_powerdown_requested()) {
1831 qemu_system_powerdown();
1832 }
1833 if (qemu_vmstop_requested(&r)) {
1834 vm_stop(r);
1835 }
1836 return false;
1837 }
1838
1839 static void main_loop(void)
1840 {
1841 #ifdef CONFIG_PROFILER
1842 int64_t ti;
1843 #endif
1844 while (!main_loop_should_exit()) {
1845 #ifdef CONFIG_PROFILER
1846 ti = profile_getclock();
1847 #endif
1848 main_loop_wait(false);
1849 #ifdef CONFIG_PROFILER
1850 dev_time += profile_getclock() - ti;
1851 #endif
1852 }
1853 }
1854
1855 static void version(void)
1856 {
1857 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1858 QEMU_COPYRIGHT "\n");
1859 }
1860
1861 static void help(int exitcode)
1862 {
1863 version();
1864 printf("usage: %s [options] [disk_image]\n\n"
1865 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1866 error_get_progname());
1867
1868 #define QEMU_OPTIONS_GENERATE_HELP
1869 #include "qemu-options-wrapper.h"
1870
1871 printf("\nDuring emulation, the following keys are useful:\n"
1872 "ctrl-alt-f toggle full screen\n"
1873 "ctrl-alt-n switch to virtual console 'n'\n"
1874 "ctrl-alt toggle mouse and keyboard grab\n"
1875 "\n"
1876 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1877 "\n"
1878 QEMU_HELP_BOTTOM "\n");
1879
1880 exit(exitcode);
1881 }
1882
1883 #define HAS_ARG 0x0001
1884
1885 typedef struct QEMUOption {
1886 const char *name;
1887 int flags;
1888 int index;
1889 uint32_t arch_mask;
1890 } QEMUOption;
1891
1892 static const QEMUOption qemu_options[] = {
1893 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1894 #define QEMU_OPTIONS_GENERATE_OPTIONS
1895 #include "qemu-options-wrapper.h"
1896 { NULL },
1897 };
1898
1899 typedef struct VGAInterfaceInfo {
1900 const char *opt_name; /* option name */
1901 const char *name; /* human-readable name */
1902 /* Class names indicating that support is available.
1903 * If no class is specified, the interface is always available */
1904 const char *class_names[2];
1905 } VGAInterfaceInfo;
1906
1907 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1908 [VGA_NONE] = {
1909 .opt_name = "none",
1910 },
1911 [VGA_STD] = {
1912 .opt_name = "std",
1913 .name = "standard VGA",
1914 .class_names = { "VGA", "isa-vga" },
1915 },
1916 [VGA_CIRRUS] = {
1917 .opt_name = "cirrus",
1918 .name = "Cirrus VGA",
1919 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1920 },
1921 [VGA_VMWARE] = {
1922 .opt_name = "vmware",
1923 .name = "VMWare SVGA",
1924 .class_names = { "vmware-svga" },
1925 },
1926 [VGA_VIRTIO] = {
1927 .opt_name = "virtio",
1928 .name = "Virtio VGA",
1929 .class_names = { "virtio-vga" },
1930 },
1931 [VGA_QXL] = {
1932 .opt_name = "qxl",
1933 .name = "QXL VGA",
1934 .class_names = { "qxl-vga" },
1935 },
1936 [VGA_TCX] = {
1937 .opt_name = "tcx",
1938 .name = "TCX framebuffer",
1939 .class_names = { "SUNW,tcx" },
1940 },
1941 [VGA_CG3] = {
1942 .opt_name = "cg3",
1943 .name = "CG3 framebuffer",
1944 .class_names = { "cgthree" },
1945 },
1946 [VGA_XENFB] = {
1947 .opt_name = "xenfb",
1948 },
1949 };
1950
1951 static bool vga_interface_available(VGAInterfaceType t)
1952 {
1953 VGAInterfaceInfo *ti = &vga_interfaces[t];
1954
1955 assert(t < VGA_TYPE_MAX);
1956 return !ti->class_names[0] ||
1957 object_class_by_name(ti->class_names[0]) ||
1958 object_class_by_name(ti->class_names[1]);
1959 }
1960
1961 static void select_vgahw(const char *p)
1962 {
1963 const char *opts;
1964 int t;
1965
1966 assert(vga_interface_type == VGA_NONE);
1967 for (t = 0; t < VGA_TYPE_MAX; t++) {
1968 VGAInterfaceInfo *ti = &vga_interfaces[t];
1969 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1970 if (!vga_interface_available(t)) {
1971 error_report("%s not available", ti->name);
1972 exit(1);
1973 }
1974 vga_interface_type = t;
1975 break;
1976 }
1977 }
1978 if (t == VGA_TYPE_MAX) {
1979 invalid_vga:
1980 error_report("unknown vga type: %s", p);
1981 exit(1);
1982 }
1983 while (*opts) {
1984 const char *nextopt;
1985
1986 if (strstart(opts, ",retrace=", &nextopt)) {
1987 opts = nextopt;
1988 if (strstart(opts, "dumb", &nextopt))
1989 vga_retrace_method = VGA_RETRACE_DUMB;
1990 else if (strstart(opts, "precise", &nextopt))
1991 vga_retrace_method = VGA_RETRACE_PRECISE;
1992 else goto invalid_vga;
1993 } else goto invalid_vga;
1994 opts = nextopt;
1995 }
1996 }
1997
1998 static void parse_display_qapi(const char *optarg)
1999 {
2000 Error *err = NULL;
2001 DisplayOptions *opts;
2002 Visitor *v;
2003
2004 v = qobject_input_visitor_new_str(optarg, "type", &err);
2005 if (!v) {
2006 error_report_err(err);
2007 exit(1);
2008 }
2009
2010 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2011 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2012
2013 qapi_free_DisplayOptions(opts);
2014 visit_free(v);
2015 }
2016
2017 static void parse_display(const char *p)
2018 {
2019 const char *opts;
2020
2021 if (strstart(p, "sdl", &opts)) {
2022 /*
2023 * sdl DisplayType needs hand-crafted parser instead of
2024 * parse_display_qapi() due to some options not in
2025 * DisplayOptions, specifically:
2026 * - frame
2027 * Already deprecated.
2028 * - ctrl_grab + alt_grab
2029 * Not clear yet what happens to them long-term. Should
2030 * replaced by something better or deprecated and dropped.
2031 */
2032 dpy.type = DISPLAY_TYPE_SDL;
2033 while (*opts) {
2034 const char *nextopt;
2035
2036 if (strstart(opts, ",frame=", &nextopt)) {
2037 g_printerr("The frame= sdl option is deprecated, and will be\n"
2038 "removed in a future release.\n");
2039 opts = nextopt;
2040 if (strstart(opts, "on", &nextopt)) {
2041 no_frame = 0;
2042 } else if (strstart(opts, "off", &nextopt)) {
2043 no_frame = 1;
2044 } else {
2045 goto invalid_sdl_args;
2046 }
2047 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2048 opts = nextopt;
2049 if (strstart(opts, "on", &nextopt)) {
2050 alt_grab = 1;
2051 } else if (strstart(opts, "off", &nextopt)) {
2052 alt_grab = 0;
2053 } else {
2054 goto invalid_sdl_args;
2055 }
2056 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2057 opts = nextopt;
2058 if (strstart(opts, "on", &nextopt)) {
2059 ctrl_grab = 1;
2060 } else if (strstart(opts, "off", &nextopt)) {
2061 ctrl_grab = 0;
2062 } else {
2063 goto invalid_sdl_args;
2064 }
2065 } else if (strstart(opts, ",window_close=", &nextopt)) {
2066 opts = nextopt;
2067 dpy.has_window_close = true;
2068 if (strstart(opts, "on", &nextopt)) {
2069 dpy.window_close = true;
2070 } else if (strstart(opts, "off", &nextopt)) {
2071 dpy.window_close = false;
2072 } else {
2073 goto invalid_sdl_args;
2074 }
2075 } else if (strstart(opts, ",gl=", &nextopt)) {
2076 opts = nextopt;
2077 dpy.has_gl = true;
2078 if (strstart(opts, "on", &nextopt)) {
2079 dpy.gl = DISPLAYGL_MODE_ON;
2080 } else if (strstart(opts, "core", &nextopt)) {
2081 dpy.gl = DISPLAYGL_MODE_CORE;
2082 } else if (strstart(opts, "es", &nextopt)) {
2083 dpy.gl = DISPLAYGL_MODE_ES;
2084 } else if (strstart(opts, "off", &nextopt)) {
2085 dpy.gl = DISPLAYGL_MODE_OFF;
2086 } else {
2087 goto invalid_sdl_args;
2088 }
2089 } else {
2090 invalid_sdl_args:
2091 error_report("invalid SDL option string");
2092 exit(1);
2093 }
2094 opts = nextopt;
2095 }
2096 } else if (strstart(p, "vnc", &opts)) {
2097 /*
2098 * vnc isn't a (local) DisplayType but a protocol for remote
2099 * display access.
2100 */
2101 if (*opts == '=') {
2102 vnc_parse(opts + 1, &error_fatal);
2103 } else {
2104 error_report("VNC requires a display argument vnc=<display>");
2105 exit(1);
2106 }
2107 } else {
2108 parse_display_qapi(p);
2109 }
2110 }
2111
2112 static int balloon_parse(const char *arg)
2113 {
2114 QemuOpts *opts;
2115
2116 warn_report("This option is deprecated. "
2117 "Use '--device virtio-balloon' to enable the balloon device.");
2118
2119 if (strcmp(arg, "none") == 0) {
2120 return 0;
2121 }
2122
2123 if (!strncmp(arg, "virtio", 6)) {
2124 if (arg[6] == ',') {
2125 /* have params -> parse them */
2126 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2127 false);
2128 if (!opts)
2129 return -1;
2130 } else {
2131 /* create empty opts */
2132 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2133 &error_abort);
2134 }
2135 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2136 return 0;
2137 }
2138
2139 return -1;
2140 }
2141
2142 char *qemu_find_file(int type, const char *name)
2143 {
2144 int i;
2145 const char *subdir;
2146 char *buf;
2147
2148 /* Try the name as a straight path first */
2149 if (access(name, R_OK) == 0) {
2150 trace_load_file(name, name);
2151 return g_strdup(name);
2152 }
2153
2154 switch (type) {
2155 case QEMU_FILE_TYPE_BIOS:
2156 subdir = "";
2157 break;
2158 case QEMU_FILE_TYPE_KEYMAP:
2159 subdir = "keymaps/";
2160 break;
2161 default:
2162 abort();
2163 }
2164
2165 for (i = 0; i < data_dir_idx; i++) {
2166 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2167 if (access(buf, R_OK) == 0) {
2168 trace_load_file(name, buf);
2169 return buf;
2170 }
2171 g_free(buf);
2172 }
2173 return NULL;
2174 }
2175
2176 static void qemu_add_data_dir(const char *path)
2177 {
2178 int i;
2179
2180 if (path == NULL) {
2181 return;
2182 }
2183 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2184 return;
2185 }
2186 for (i = 0; i < data_dir_idx; i++) {
2187 if (strcmp(data_dir[i], path) == 0) {
2188 return; /* duplicate */
2189 }
2190 }
2191 data_dir[data_dir_idx++] = g_strdup(path);
2192 }
2193
2194 static inline bool nonempty_str(const char *str)
2195 {
2196 return str && *str;
2197 }
2198
2199 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2200 {
2201 gchar *buf;
2202 size_t size;
2203 const char *name, *file, *str;
2204 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2205
2206 if (fw_cfg == NULL) {
2207 error_report("fw_cfg device not available");
2208 return -1;
2209 }
2210 name = qemu_opt_get(opts, "name");
2211 file = qemu_opt_get(opts, "file");
2212 str = qemu_opt_get(opts, "string");
2213
2214 /* we need name and either a file or the content string */
2215 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2216 error_report("invalid argument(s)");
2217 return -1;
2218 }
2219 if (nonempty_str(file) && nonempty_str(str)) {
2220 error_report("file and string are mutually exclusive");
2221 return -1;
2222 }
2223 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2224 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2225 return -1;
2226 }
2227 if (strncmp(name, "opt/", 4) != 0) {
2228 warn_report("externally provided fw_cfg item names "
2229 "should be prefixed with \"opt/\"");
2230 }
2231 if (nonempty_str(str)) {
2232 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2233 buf = g_memdup(str, size);
2234 } else {
2235 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2236 error_report("can't load %s", file);
2237 return -1;
2238 }
2239 }
2240 /* For legacy, keep user files in a specific global order. */
2241 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2242 fw_cfg_add_file(fw_cfg, name, buf, size);
2243 fw_cfg_reset_order_override(fw_cfg);
2244 return 0;
2245 }
2246
2247 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2248 {
2249 return qdev_device_help(opts);
2250 }
2251
2252 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2253 {
2254 Error *err = NULL;
2255 DeviceState *dev;
2256
2257 dev = qdev_device_add(opts, &err);
2258 if (!dev) {
2259 error_report_err(err);
2260 return -1;
2261 }
2262 object_unref(OBJECT(dev));
2263 return 0;
2264 }
2265
2266 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2267 {
2268 Error *local_err = NULL;
2269
2270 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2271 if (local_err) {
2272 error_report_err(local_err);
2273 return -1;
2274 }
2275 exit(0);
2276 }
2277 return 0;
2278 }
2279
2280 #ifdef CONFIG_VIRTFS
2281 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2282 {
2283 return qemu_fsdev_add(opts);
2284 }
2285 #endif
2286
2287 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2288 {
2289 Chardev *chr;
2290 const char *chardev;
2291 const char *mode;
2292 int flags;
2293
2294 mode = qemu_opt_get(opts, "mode");
2295 if (mode == NULL) {
2296 mode = "readline";
2297 }
2298 if (strcmp(mode, "readline") == 0) {
2299 flags = MONITOR_USE_READLINE;
2300 } else if (strcmp(mode, "control") == 0) {
2301 flags = MONITOR_USE_CONTROL;
2302 } else {
2303 error_report("unknown monitor mode \"%s\"", mode);
2304 exit(1);
2305 }
2306
2307 if (qemu_opt_get_bool(opts, "pretty", 0))
2308 flags |= MONITOR_USE_PRETTY;
2309
2310 /* OOB is off by default */
2311 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2312 flags |= MONITOR_USE_OOB;
2313 }
2314
2315 chardev = qemu_opt_get(opts, "chardev");
2316 chr = qemu_chr_find(chardev);
2317 if (chr == NULL) {
2318 error_report("chardev \"%s\" not found", chardev);
2319 exit(1);
2320 }
2321
2322 monitor_init(chr, flags);
2323 return 0;
2324 }
2325
2326 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2327 {
2328 static int monitor_device_index = 0;
2329 QemuOpts *opts;
2330 const char *p;
2331 char label[32];
2332
2333 if (strstart(optarg, "chardev:", &p)) {
2334 snprintf(label, sizeof(label), "%s", p);
2335 } else {
2336 snprintf(label, sizeof(label), "compat_monitor%d",
2337 monitor_device_index);
2338 opts = qemu_chr_parse_compat(label, optarg);
2339 if (!opts) {
2340 error_report("parse error: %s", optarg);
2341 exit(1);
2342 }
2343 }
2344
2345 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2346 qemu_opt_set(opts, "mode", mode, &error_abort);
2347 qemu_opt_set(opts, "chardev", label, &error_abort);
2348 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2349 monitor_device_index++;
2350 }
2351
2352 struct device_config {
2353 enum {
2354 DEV_USB, /* -usbdevice */
2355 DEV_BT, /* -bt */
2356 DEV_SERIAL, /* -serial */
2357 DEV_PARALLEL, /* -parallel */
2358 DEV_VIRTCON, /* -virtioconsole */
2359 DEV_DEBUGCON, /* -debugcon */
2360 DEV_GDB, /* -gdb, -s */
2361 DEV_SCLP, /* s390 sclp */
2362 } type;
2363 const char *cmdline;
2364 Location loc;
2365 QTAILQ_ENTRY(device_config) next;
2366 };
2367
2368 static QTAILQ_HEAD(, device_config) device_configs =
2369 QTAILQ_HEAD_INITIALIZER(device_configs);
2370
2371 static void add_device_config(int type, const char *cmdline)
2372 {
2373 struct device_config *conf;
2374
2375 conf = g_malloc0(sizeof(*conf));
2376 conf->type = type;
2377 conf->cmdline = cmdline;
2378 loc_save(&conf->loc);
2379 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2380 }
2381
2382 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2383 {
2384 struct device_config *conf;
2385 int rc;
2386
2387 QTAILQ_FOREACH(conf, &device_configs, next) {
2388 if (conf->type != type)
2389 continue;
2390 loc_push_restore(&conf->loc);
2391 rc = func(conf->cmdline);
2392 loc_pop(&conf->loc);
2393 if (rc) {
2394 return rc;
2395 }
2396 }
2397 return 0;
2398 }
2399
2400 static int serial_parse(const char *devname)
2401 {
2402 int index = num_serial_hds;
2403 char label[32];
2404
2405 if (strcmp(devname, "none") == 0)
2406 return 0;
2407 snprintf(label, sizeof(label), "serial%d", index);
2408 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2409
2410 serial_hds[index] = qemu_chr_new(label, devname);
2411 if (!serial_hds[index]) {
2412 error_report("could not connect serial device"
2413 " to character backend '%s'", devname);
2414 return -1;
2415 }
2416 num_serial_hds++;
2417 return 0;
2418 }
2419
2420 Chardev *serial_hd(int i)
2421 {
2422 assert(i >= 0);
2423 if (i < num_serial_hds) {
2424 return serial_hds[i];
2425 }
2426 return NULL;
2427 }
2428
2429 int serial_max_hds(void)
2430 {
2431 return num_serial_hds;
2432 }
2433
2434 static int parallel_parse(const char *devname)
2435 {
2436 static int index = 0;
2437 char label[32];
2438
2439 if (strcmp(devname, "none") == 0)
2440 return 0;
2441 if (index == MAX_PARALLEL_PORTS) {
2442 error_report("too many parallel ports");
2443 exit(1);
2444 }
2445 snprintf(label, sizeof(label), "parallel%d", index);
2446 parallel_hds[index] = qemu_chr_new(label, devname);
2447 if (!parallel_hds[index]) {
2448 error_report("could not connect parallel device"
2449 " to character backend '%s'", devname);
2450 return -1;
2451 }
2452 index++;
2453 return 0;
2454 }
2455
2456 static int virtcon_parse(const char *devname)
2457 {
2458 QemuOptsList *device = qemu_find_opts("device");
2459 static int index = 0;
2460 char label[32];
2461 QemuOpts *bus_opts, *dev_opts;
2462
2463 if (strcmp(devname, "none") == 0)
2464 return 0;
2465 if (index == MAX_VIRTIO_CONSOLES) {
2466 error_report("too many virtio consoles");
2467 exit(1);
2468 }
2469
2470 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2471 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2472
2473 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2474 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2475
2476 snprintf(label, sizeof(label), "virtcon%d", index);
2477 virtcon_hds[index] = qemu_chr_new(label, devname);
2478 if (!virtcon_hds[index]) {
2479 error_report("could not connect virtio console"
2480 " to character backend '%s'", devname);
2481 return -1;
2482 }
2483 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2484
2485 index++;
2486 return 0;
2487 }
2488
2489 static int debugcon_parse(const char *devname)
2490 {
2491 QemuOpts *opts;
2492
2493 if (!qemu_chr_new("debugcon", devname)) {
2494 exit(1);
2495 }
2496 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2497 if (!opts) {
2498 error_report("already have a debugcon device");
2499 exit(1);
2500 }
2501 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2502 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2503 return 0;
2504 }
2505
2506 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2507 {
2508 const MachineClass *mc1 = a, *mc2 = b;
2509 int res;
2510
2511 if (mc1->family == NULL) {
2512 if (mc2->family == NULL) {
2513 /* Compare standalone machine types against each other; they sort
2514 * in increasing order.
2515 */
2516 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2517 object_class_get_name(OBJECT_CLASS(mc2)));
2518 }
2519
2520 /* Standalone machine types sort after families. */
2521 return 1;
2522 }
2523
2524 if (mc2->family == NULL) {
2525 /* Families sort before standalone machine types. */
2526 return -1;
2527 }
2528
2529 /* Families sort between each other alphabetically increasingly. */
2530 res = strcmp(mc1->family, mc2->family);
2531 if (res != 0) {
2532 return res;
2533 }
2534
2535 /* Within the same family, machine types sort in decreasing order. */
2536 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2537 object_class_get_name(OBJECT_CLASS(mc1)));
2538 }
2539
2540 static MachineClass *machine_parse(const char *name)
2541 {
2542 MachineClass *mc = NULL;
2543 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2544
2545 if (name) {
2546 mc = find_machine(name);
2547 }
2548 if (mc) {
2549 g_slist_free(machines);
2550 return mc;
2551 }
2552 if (name && !is_help_option(name)) {
2553 error_report("unsupported machine type");
2554 error_printf("Use -machine help to list supported machines\n");
2555 } else {
2556 printf("Supported machines are:\n");
2557 machines = g_slist_sort(machines, machine_class_cmp);
2558 for (el = machines; el; el = el->next) {
2559 MachineClass *mc = el->data;
2560 if (mc->alias) {
2561 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2562 }
2563 printf("%-20s %s%s\n", mc->name, mc->desc,
2564 mc->is_default ? " (default)" : "");
2565 }
2566 }
2567
2568 g_slist_free(machines);
2569 exit(!name || !is_help_option(name));
2570 }
2571
2572 void qemu_add_exit_notifier(Notifier *notify)
2573 {
2574 notifier_list_add(&exit_notifiers, notify);
2575 }
2576
2577 void qemu_remove_exit_notifier(Notifier *notify)
2578 {
2579 notifier_remove(notify);
2580 }
2581
2582 static void qemu_run_exit_notifiers(void)
2583 {
2584 notifier_list_notify(&exit_notifiers, NULL);
2585 }
2586
2587 bool machine_init_done;
2588
2589 void qemu_add_machine_init_done_notifier(Notifier *notify)
2590 {
2591 notifier_list_add(&machine_init_done_notifiers, notify);
2592 if (machine_init_done) {
2593 notify->notify(notify, NULL);
2594 }
2595 }
2596
2597 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2598 {
2599 notifier_remove(notify);
2600 }
2601
2602 static void qemu_run_machine_init_done_notifiers(void)
2603 {
2604 machine_init_done = true;
2605 notifier_list_notify(&machine_init_done_notifiers, NULL);
2606 }
2607
2608 static const QEMUOption *lookup_opt(int argc, char **argv,
2609 const char **poptarg, int *poptind)
2610 {
2611 const QEMUOption *popt;
2612 int optind = *poptind;
2613 char *r = argv[optind];
2614 const char *optarg;
2615
2616 loc_set_cmdline(argv, optind, 1);
2617 optind++;
2618 /* Treat --foo the same as -foo. */
2619 if (r[1] == '-')
2620 r++;
2621 popt = qemu_options;
2622 for(;;) {
2623 if (!popt->name) {
2624 error_report("invalid option");
2625 exit(1);
2626 }
2627 if (!strcmp(popt->name, r + 1))
2628 break;
2629 popt++;
2630 }
2631 if (popt->flags & HAS_ARG) {
2632 if (optind >= argc) {
2633 error_report("requires an argument");
2634 exit(1);
2635 }
2636 optarg = argv[optind++];
2637 loc_set_cmdline(argv, optind - 2, 2);
2638 } else {
2639 optarg = NULL;
2640 }
2641
2642 *poptarg = optarg;
2643 *poptind = optind;
2644
2645 return popt;
2646 }
2647
2648 static MachineClass *select_machine(void)
2649 {
2650 MachineClass *machine_class = find_default_machine();
2651 const char *optarg;
2652 QemuOpts *opts;
2653 Location loc;
2654
2655 loc_push_none(&loc);
2656
2657 opts = qemu_get_machine_opts();
2658 qemu_opts_loc_restore(opts);
2659
2660 optarg = qemu_opt_get(opts, "type");
2661 if (optarg) {
2662 machine_class = machine_parse(optarg);
2663 }
2664
2665 if (!machine_class) {
2666 error_report("No machine specified, and there is no default");
2667 error_printf("Use -machine help to list supported machines\n");
2668 exit(1);
2669 }
2670
2671 loc_pop(&loc);
2672 return machine_class;
2673 }
2674
2675 static int machine_set_property(void *opaque,
2676 const char *name, const char *value,
2677 Error **errp)
2678 {
2679 Object *obj = OBJECT(opaque);
2680 Error *local_err = NULL;
2681 char *p, *qom_name;
2682
2683 if (strcmp(name, "type") == 0) {
2684 return 0;
2685 }
2686
2687 qom_name = g_strdup(name);
2688 for (p = qom_name; *p; p++) {
2689 if (*p == '_') {
2690 *p = '-';
2691 }
2692 }
2693
2694 object_property_parse(obj, value, qom_name, &local_err);
2695 g_free(qom_name);
2696
2697 if (local_err) {
2698 error_report_err(local_err);
2699 return -1;
2700 }
2701
2702 return 0;
2703 }
2704
2705
2706 /*
2707 * Initial object creation happens before all other
2708 * QEMU data types are created. The majority of objects
2709 * can be created at this point. The rng-egd object
2710 * cannot be created here, as it depends on the chardev
2711 * already existing.
2712 */
2713 static bool object_create_initial(const char *type)
2714 {
2715 if (g_str_equal(type, "rng-egd") ||
2716 g_str_has_prefix(type, "pr-manager-")) {
2717 return false;
2718 }
2719
2720 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2721 if (g_str_equal(type, "cryptodev-vhost-user")) {
2722 return false;
2723 }
2724 #endif
2725
2726 /*
2727 * return false for concrete netfilters since
2728 * they depend on netdevs already existing
2729 */
2730 if (g_str_equal(type, "filter-buffer") ||
2731 g_str_equal(type, "filter-dump") ||
2732 g_str_equal(type, "filter-mirror") ||
2733 g_str_equal(type, "filter-redirector") ||
2734 g_str_equal(type, "colo-compare") ||
2735 g_str_equal(type, "filter-rewriter") ||
2736 g_str_equal(type, "filter-replay")) {
2737 return false;
2738 }
2739
2740 /* Memory allocation by backends needs to be done
2741 * after configure_accelerator() (due to the tcg_enabled()
2742 * checks at memory_region_init_*()).
2743 *
2744 * Also, allocation of large amounts of memory may delay
2745 * chardev initialization for too long, and trigger timeouts
2746 * on software that waits for a monitor socket to be created
2747 * (e.g. libvirt).
2748 */
2749 if (g_str_has_prefix(type, "memory-backend-")) {
2750 return false;
2751 }
2752
2753 return true;
2754 }
2755
2756
2757 /*
2758 * The remainder of object creation happens after the
2759 * creation of chardev, fsdev, net clients and device data types.
2760 */
2761 static bool object_create_delayed(const char *type)
2762 {
2763 return !object_create_initial(type);
2764 }
2765
2766
2767 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2768 MachineClass *mc)
2769 {
2770 uint64_t sz;
2771 const char *mem_str;
2772 const ram_addr_t default_ram_size = mc->default_ram_size;
2773 QemuOpts *opts = qemu_find_opts_singleton("memory");
2774 Location loc;
2775
2776 loc_push_none(&loc);
2777 qemu_opts_loc_restore(opts);
2778
2779 sz = 0;
2780 mem_str = qemu_opt_get(opts, "size");
2781 if (mem_str) {
2782 if (!*mem_str) {
2783 error_report("missing 'size' option value");
2784 exit(EXIT_FAILURE);
2785 }
2786
2787 sz = qemu_opt_get_size(opts, "size", ram_size);
2788
2789 /* Fix up legacy suffix-less format */
2790 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2791 uint64_t overflow_check = sz;
2792
2793 sz <<= 20;
2794 if ((sz >> 20) != overflow_check) {
2795 error_report("too large 'size' option value");
2796 exit(EXIT_FAILURE);
2797 }
2798 }
2799 }
2800
2801 /* backward compatibility behaviour for case "-m 0" */
2802 if (sz == 0) {
2803 sz = default_ram_size;
2804 }
2805
2806 sz = QEMU_ALIGN_UP(sz, 8192);
2807 ram_size = sz;
2808 if (ram_size != sz) {
2809 error_report("ram size too large");
2810 exit(EXIT_FAILURE);
2811 }
2812
2813 /* store value for the future use */
2814 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2815 *maxram_size = ram_size;
2816
2817 if (qemu_opt_get(opts, "maxmem")) {
2818 uint64_t slots;
2819
2820 sz = qemu_opt_get_size(opts, "maxmem", 0);
2821 slots = qemu_opt_get_number(opts, "slots", 0);
2822 if (sz < ram_size) {
2823 error_report("invalid value of -m option maxmem: "
2824 "maximum memory size (0x%" PRIx64 ") must be at least "
2825 "the initial memory size (0x" RAM_ADDR_FMT ")",
2826 sz, ram_size);
2827 exit(EXIT_FAILURE);
2828 } else if (slots && sz == ram_size) {
2829 error_report("invalid value of -m option maxmem: "
2830 "memory slots were specified but maximum memory size "
2831 "(0x%" PRIx64 ") is equal to the initial memory size "
2832 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2833 exit(EXIT_FAILURE);
2834 }
2835
2836 *maxram_size = sz;
2837 *ram_slots = slots;
2838 } else if (qemu_opt_get(opts, "slots")) {
2839 error_report("invalid -m option value: missing 'maxmem' option");
2840 exit(EXIT_FAILURE);
2841 }
2842
2843 loc_pop(&loc);
2844 }
2845
2846 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2847 {
2848 GlobalProperty *g;
2849
2850 g = g_malloc0(sizeof(*g));
2851 g->driver = qemu_opt_get(opts, "driver");
2852 g->property = qemu_opt_get(opts, "property");
2853 g->value = qemu_opt_get(opts, "value");
2854 g->user_provided = true;
2855 g->errp = &error_fatal;
2856 qdev_prop_register_global(g);
2857 return 0;
2858 }
2859
2860 static int qemu_read_default_config_file(void)
2861 {
2862 int ret;
2863
2864 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2865 if (ret < 0 && ret != -ENOENT) {
2866 return ret;
2867 }
2868
2869 return 0;
2870 }
2871
2872 static void user_register_global_props(void)
2873 {
2874 qemu_opts_foreach(qemu_find_opts("global"),
2875 global_init_func, NULL, NULL);
2876 }
2877
2878 /*
2879 * Note: we should see that these properties are actually having a
2880 * priority: accel < machine < user. This means e.g. when user
2881 * specifies something in "-global", it'll always be used with highest
2882 * priority than either machine/accelerator compat properties.
2883 */
2884 static void register_global_properties(MachineState *ms)
2885 {
2886 accel_register_compat_props(ms->accelerator);
2887 machine_register_compat_props(ms);
2888 user_register_global_props();
2889 }
2890
2891 int main(int argc, char **argv, char **envp)
2892 {
2893 int i;
2894 int snapshot, linux_boot;
2895 const char *initrd_filename;
2896 const char *kernel_filename, *kernel_cmdline;
2897 const char *boot_order = NULL;
2898 const char *boot_once = NULL;
2899 DisplayState *ds;
2900 QemuOpts *opts, *machine_opts;
2901 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2902 QemuOptsList *olist;
2903 int optind;
2904 const char *optarg;
2905 const char *loadvm = NULL;
2906 MachineClass *machine_class;
2907 const char *cpu_model;
2908 const char *vga_model = NULL;
2909 const char *qtest_chrdev = NULL;
2910 const char *qtest_log = NULL;
2911 const char *pid_file = NULL;
2912 const char *incoming = NULL;
2913 bool userconfig = true;
2914 bool nographic = false;
2915 int display_remote = 0;
2916 const char *log_mask = NULL;
2917 const char *log_file = NULL;
2918 char *trace_file = NULL;
2919 ram_addr_t maxram_size;
2920 uint64_t ram_slots = 0;
2921 FILE *vmstate_dump_file = NULL;
2922 Error *main_loop_err = NULL;
2923 Error *err = NULL;
2924 bool list_data_dirs = false;
2925 char *dir, **dirs;
2926 typedef struct BlockdevOptions_queue {
2927 BlockdevOptions *bdo;
2928 Location loc;
2929 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2930 } BlockdevOptions_queue;
2931 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2932 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2933
2934 module_call_init(MODULE_INIT_TRACE);
2935
2936 qemu_init_cpu_list();
2937 qemu_init_cpu_loop();
2938
2939 qemu_mutex_lock_iothread();
2940
2941 atexit(qemu_run_exit_notifiers);
2942 error_set_progname(argv[0]);
2943 qemu_init_exec_dir(argv[0]);
2944
2945 module_call_init(MODULE_INIT_QOM);
2946
2947 qemu_add_opts(&qemu_drive_opts);
2948 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2949 qemu_add_drive_opts(&qemu_common_drive_opts);
2950 qemu_add_drive_opts(&qemu_drive_opts);
2951 qemu_add_drive_opts(&bdrv_runtime_opts);
2952 qemu_add_opts(&qemu_chardev_opts);
2953 qemu_add_opts(&qemu_device_opts);
2954 qemu_add_opts(&qemu_netdev_opts);
2955 qemu_add_opts(&qemu_nic_opts);
2956 qemu_add_opts(&qemu_net_opts);
2957 qemu_add_opts(&qemu_rtc_opts);
2958 qemu_add_opts(&qemu_global_opts);
2959 qemu_add_opts(&qemu_mon_opts);
2960 qemu_add_opts(&qemu_trace_opts);
2961 qemu_add_opts(&qemu_option_rom_opts);
2962 qemu_add_opts(&qemu_machine_opts);
2963 qemu_add_opts(&qemu_accel_opts);
2964 qemu_add_opts(&qemu_mem_opts);
2965 qemu_add_opts(&qemu_smp_opts);
2966 qemu_add_opts(&qemu_boot_opts);
2967 qemu_add_opts(&qemu_add_fd_opts);
2968 qemu_add_opts(&qemu_object_opts);
2969 qemu_add_opts(&qemu_tpmdev_opts);
2970 qemu_add_opts(&qemu_realtime_opts);
2971 qemu_add_opts(&qemu_msg_opts);
2972 qemu_add_opts(&qemu_name_opts);
2973 qemu_add_opts(&qemu_numa_opts);
2974 qemu_add_opts(&qemu_icount_opts);
2975 qemu_add_opts(&qemu_semihosting_config_opts);
2976 qemu_add_opts(&qemu_fw_cfg_opts);
2977 module_call_init(MODULE_INIT_OPTS);
2978
2979 runstate_init();
2980 postcopy_infrastructure_init();
2981
2982 if (qcrypto_init(&err) < 0) {
2983 error_reportf_err(err, "cannot initialize crypto: ");
2984 exit(1);
2985 }
2986 rtc_clock = QEMU_CLOCK_HOST;
2987
2988 QLIST_INIT (&vm_change_state_head);
2989 os_setup_early_signal_handling();
2990
2991 cpu_model = NULL;
2992 snapshot = 0;
2993
2994 nb_nics = 0;
2995
2996 bdrv_init_with_whitelist();
2997
2998 autostart = 1;
2999
3000 /* first pass of option parsing */
3001 optind = 1;
3002 while (optind < argc) {
3003 if (argv[optind][0] != '-') {
3004 /* disk image */
3005 optind++;
3006 } else {
3007 const QEMUOption *popt;
3008
3009 popt = lookup_opt(argc, argv, &optarg, &optind);
3010 switch (popt->index) {
3011 case QEMU_OPTION_nodefconfig:
3012 case QEMU_OPTION_nouserconfig:
3013 userconfig = false;
3014 break;
3015 }
3016 }
3017 }
3018
3019 if (userconfig) {
3020 if (qemu_read_default_config_file() < 0) {
3021 exit(1);
3022 }
3023 }
3024
3025 /* second pass of option parsing */
3026 optind = 1;
3027 for(;;) {
3028 if (optind >= argc)
3029 break;
3030 if (argv[optind][0] != '-') {
3031 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3032 } else {
3033 const QEMUOption *popt;
3034
3035 popt = lookup_opt(argc, argv, &optarg, &optind);
3036 if (!(popt->arch_mask & arch_type)) {
3037 error_report("Option not supported for this target");
3038 exit(1);
3039 }
3040 switch(popt->index) {
3041 case QEMU_OPTION_cpu:
3042 /* hw initialization will check this */
3043 cpu_model = optarg;
3044 break;
3045 case QEMU_OPTION_hda:
3046 case QEMU_OPTION_hdb:
3047 case QEMU_OPTION_hdc:
3048 case QEMU_OPTION_hdd:
3049 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3050 HD_OPTS);
3051 break;
3052 case QEMU_OPTION_blockdev:
3053 {
3054 Visitor *v;
3055 BlockdevOptions_queue *bdo;
3056
3057 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3058 if (!v) {
3059 error_report_err(err);
3060 exit(1);
3061 }
3062
3063 bdo = g_new(BlockdevOptions_queue, 1);
3064 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3065 &error_fatal);
3066 visit_free(v);
3067 loc_save(&bdo->loc);
3068 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3069 break;
3070 }
3071 case QEMU_OPTION_drive:
3072 if (drive_def(optarg) == NULL) {
3073 exit(1);
3074 }
3075 break;
3076 case QEMU_OPTION_set:
3077 if (qemu_set_option(optarg) != 0)
3078 exit(1);
3079 break;
3080 case QEMU_OPTION_global:
3081 if (qemu_global_option(optarg) != 0)
3082 exit(1);
3083 break;
3084 case QEMU_OPTION_mtdblock:
3085 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3086 break;
3087 case QEMU_OPTION_sd:
3088 drive_add(IF_SD, -1, optarg, SD_OPTS);
3089 break;
3090 case QEMU_OPTION_pflash:
3091 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3092 break;
3093 case QEMU_OPTION_snapshot:
3094 snapshot = 1;
3095 break;
3096 case QEMU_OPTION_numa:
3097 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3098 optarg, true);
3099 if (!opts) {
3100 exit(1);
3101 }
3102 break;
3103 case QEMU_OPTION_display:
3104 parse_display(optarg);
3105 break;
3106 case QEMU_OPTION_nographic:
3107 olist = qemu_find_opts("machine");
3108 qemu_opts_parse_noisily(olist, "graphics=off", false);
3109 nographic = true;
3110 dpy.type = DISPLAY_TYPE_NONE;
3111 break;
3112 case QEMU_OPTION_curses:
3113 #ifdef CONFIG_CURSES
3114 dpy.type = DISPLAY_TYPE_CURSES;
3115 #else
3116 error_report("curses support is disabled");
3117 exit(1);
3118 #endif
3119 break;
3120 case QEMU_OPTION_portrait:
3121 graphic_rotate = 90;
3122 break;
3123 case QEMU_OPTION_rotate:
3124 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3125 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3126 graphic_rotate != 180 && graphic_rotate != 270) {
3127 error_report("only 90, 180, 270 deg rotation is available");
3128 exit(1);
3129 }
3130 break;
3131 case QEMU_OPTION_kernel:
3132 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3133 &error_abort);
3134 break;
3135 case QEMU_OPTION_initrd:
3136 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3137 &error_abort);
3138 break;
3139 case QEMU_OPTION_append:
3140 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3141 &error_abort);
3142 break;
3143 case QEMU_OPTION_dtb:
3144 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3145 &error_abort);
3146 break;
3147 case QEMU_OPTION_cdrom:
3148 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3149 break;
3150 case QEMU_OPTION_boot:
3151 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3152 optarg, true);
3153 if (!opts) {
3154 exit(1);
3155 }
3156 break;
3157 case QEMU_OPTION_fda:
3158 case QEMU_OPTION_fdb:
3159 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3160 optarg, FD_OPTS);
3161 break;
3162 case QEMU_OPTION_no_fd_bootchk:
3163 fd_bootchk = 0;
3164 break;
3165 case QEMU_OPTION_netdev:
3166 default_net = 0;
3167 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3168 exit(1);
3169 }
3170 break;
3171 case QEMU_OPTION_nic:
3172 default_net = 0;
3173 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3174 exit(1);
3175 }
3176 break;
3177 case QEMU_OPTION_net:
3178 default_net = 0;
3179 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3180 exit(1);
3181 }
3182 break;
3183 #ifdef CONFIG_LIBISCSI
3184 case QEMU_OPTION_iscsi:
3185 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3186 optarg, false);
3187 if (!opts) {
3188 exit(1);
3189 }
3190 break;
3191 #endif
3192 #ifdef CONFIG_SLIRP
3193 case QEMU_OPTION_tftp:
3194 error_report("The -tftp option is deprecated. "
3195 "Please use '-netdev user,tftp=...' instead.");
3196 legacy_tftp_prefix = optarg;
3197 break;
3198 case QEMU_OPTION_bootp:
3199 error_report("The -bootp option is deprecated. "
3200 "Please use '-netdev user,bootfile=...' instead.");
3201 legacy_bootp_filename = optarg;
3202 break;
3203 case QEMU_OPTION_redir:
3204 error_report("The -redir option is deprecated. "
3205 "Please use '-netdev user,hostfwd=...' instead.");
3206 if (net_slirp_redir(optarg) < 0)
3207 exit(1);
3208 break;
3209 #endif
3210 case QEMU_OPTION_bt:
3211 add_device_config(DEV_BT, optarg);
3212 break;
3213 case QEMU_OPTION_audio_help:
3214 AUD_help ();
3215 exit (0);
3216 break;
3217 case QEMU_OPTION_soundhw:
3218 select_soundhw (optarg);
3219 break;
3220 case QEMU_OPTION_h:
3221 help(0);
3222 break;
3223 case QEMU_OPTION_version:
3224 version();
3225 exit(0);
3226 break;
3227 case QEMU_OPTION_m:
3228 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3229 optarg, true);
3230 if (!opts) {
3231 exit(EXIT_FAILURE);
3232 }
3233 break;
3234 #ifdef CONFIG_TPM
3235 case QEMU_OPTION_tpmdev:
3236 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3237 exit(1);
3238 }
3239 break;
3240 #endif
3241 case QEMU_OPTION_mempath:
3242 mem_path = optarg;
3243 break;
3244 case QEMU_OPTION_mem_prealloc:
3245 mem_prealloc = 1;
3246 break;
3247 case QEMU_OPTION_d:
3248 log_mask = optarg;
3249 break;
3250 case QEMU_OPTION_D:
3251 log_file = optarg;
3252 break;
3253 case QEMU_OPTION_DFILTER:
3254 qemu_set_dfilter_ranges(optarg, &error_fatal);
3255 break;
3256 case QEMU_OPTION_s:
3257 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3258 break;
3259 case QEMU_OPTION_gdb:
3260 add_device_config(DEV_GDB, optarg);
3261 break;
3262 case QEMU_OPTION_L:
3263 if (is_help_option(optarg)) {
3264 list_data_dirs = true;
3265 } else {
3266 qemu_add_data_dir(optarg);
3267 }
3268 break;
3269 case QEMU_OPTION_bios:
3270 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3271 &error_abort);
3272 break;
3273 case QEMU_OPTION_singlestep:
3274 singlestep = 1;
3275 break;
3276 case QEMU_OPTION_S:
3277 autostart = 0;
3278 break;
3279 case QEMU_OPTION_k:
3280 keyboard_layout = optarg;
3281 break;
3282 case QEMU_OPTION_localtime:
3283 rtc_utc = 0;
3284 warn_report("This option is deprecated, "
3285 "use '-rtc base=localtime' instead.");
3286 break;
3287 case QEMU_OPTION_vga:
3288 vga_model = optarg;
3289 default_vga = 0;
3290 break;
3291 case QEMU_OPTION_g:
3292 {
3293 const char *p;
3294 int w, h, depth;
3295 p = optarg;
3296 w = strtol(p, (char **)&p, 10);
3297 if (w <= 0) {
3298 graphic_error:
3299 error_report("invalid resolution or depth");
3300 exit(1);
3301 }
3302 if (*p != 'x')
3303 goto graphic_error;
3304 p++;
3305 h = strtol(p, (char **)&p, 10);
3306 if (h <= 0)
3307 goto graphic_error;
3308 if (*p == 'x') {
3309 p++;
3310 depth = strtol(p, (char **)&p, 10);
3311 if (depth != 8 && depth != 15 && depth != 16 &&
3312 depth != 24 && depth != 32)
3313 goto graphic_error;
3314 } else if (*p == '\0') {
3315 depth = graphic_depth;
3316 } else {
3317 goto graphic_error;
3318 }
3319
3320 graphic_width = w;
3321 graphic_height = h;
3322 graphic_depth = depth;
3323 }
3324 break;
3325 case QEMU_OPTION_echr:
3326 {
3327 char *r;
3328 term_escape_char = strtol(optarg, &r, 0);
3329 if (r == optarg)
3330 printf("Bad argument to echr\n");
3331 break;
3332 }
3333 case QEMU_OPTION_monitor:
3334 default_monitor = 0;
3335 if (strncmp(optarg, "none", 4)) {
3336 monitor_parse(optarg, "readline", false);
3337 }
3338 break;
3339 case QEMU_OPTION_qmp:
3340 monitor_parse(optarg, "control", false);
3341 default_monitor = 0;
3342 break;
3343 case QEMU_OPTION_qmp_pretty:
3344 monitor_parse(optarg, "control", true);
3345 default_monitor = 0;
3346 break;
3347 case QEMU_OPTION_mon:
3348 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3349 true);
3350 if (!opts) {
3351 exit(1);
3352 }
3353 default_monitor = 0;
3354 break;
3355 case QEMU_OPTION_chardev:
3356 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3357 optarg, true);
3358 if (!opts) {
3359 exit(1);
3360 }
3361 break;
3362 case QEMU_OPTION_fsdev:
3363 olist = qemu_find_opts("fsdev");
3364 if (!olist) {
3365 error_report("fsdev support is disabled");
3366 exit(1);
3367 }
3368 opts = qemu_opts_parse_noisily(olist, optarg, true);
3369 if (!opts) {
3370 exit(1);
3371 }
3372 break;
3373 case QEMU_OPTION_virtfs: {
3374 QemuOpts *fsdev;
3375 QemuOpts *device;
3376 const char *writeout, *sock_fd, *socket, *path, *security_model;
3377
3378 olist = qemu_find_opts("virtfs");
3379 if (!olist) {
3380 error_report("virtfs support is disabled");
3381 exit(1);
3382 }
3383 opts = qemu_opts_parse_noisily(olist, optarg, true);
3384 if (!opts) {
3385 exit(1);
3386 }
3387
3388 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3389 qemu_opt_get(opts, "mount_tag") == NULL) {
3390 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3391 exit(1);
3392 }
3393 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3394 qemu_opts_id(opts) ?:
3395 qemu_opt_get(opts, "mount_tag"),
3396 1, NULL);
3397 if (!fsdev) {
3398 error_report("duplicate or invalid fsdev id: %s",
3399 qemu_opt_get(opts, "mount_tag"));
3400 exit(1);
3401 }
3402
3403 writeout = qemu_opt_get(opts, "writeout");
3404 if (writeout) {
3405 #ifdef CONFIG_SYNC_FILE_RANGE
3406 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3407 #else
3408 error_report("writeout=immediate not supported "
3409 "on this platform");
3410 exit(1);
3411 #endif
3412 }
3413 qemu_opt_set(fsdev, "fsdriver",
3414 qemu_opt_get(opts, "fsdriver"), &error_abort);
3415 path = qemu_opt_get(opts, "path");
3416 if (path) {
3417 qemu_opt_set(fsdev, "path", path, &error_abort);
3418 }
3419 security_model = qemu_opt_get(opts, "security_model");
3420 if (security_model) {
3421 qemu_opt_set(fsdev, "security_model", security_model,
3422 &error_abort);
3423 }
3424 socket = qemu_opt_get(opts, "socket");
3425 if (socket) {
3426 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3427 }
3428 sock_fd = qemu_opt_get(opts, "sock_fd");
3429 if (sock_fd) {
3430 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3431 }
3432
3433 qemu_opt_set_bool(fsdev, "readonly",
3434 qemu_opt_get_bool(opts, "readonly", 0),
3435 &error_abort);
3436 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3437 &error_abort);
3438 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3439 qemu_opt_set(device, "fsdev",
3440 qemu_opts_id(fsdev), &error_abort);
3441 qemu_opt_set(device, "mount_tag",
3442 qemu_opt_get(opts, "mount_tag"), &error_abort);
3443 break;
3444 }
3445 case QEMU_OPTION_virtfs_synth: {
3446 QemuOpts *fsdev;
3447 QemuOpts *device;
3448
3449 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3450 1, NULL);
3451 if (!fsdev) {
3452 error_report("duplicate option: %s", "virtfs_synth");
3453 exit(1);
3454 }
3455 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3456
3457 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3458 &error_abort);
3459 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3460 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3461 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3462 break;
3463 }
3464 case QEMU_OPTION_serial:
3465 add_device_config(DEV_SERIAL, optarg);
3466 default_serial = 0;
3467 if (strncmp(optarg, "mon:", 4) == 0) {
3468 default_monitor = 0;
3469 }
3470 break;
3471 case QEMU_OPTION_watchdog:
3472 if (watchdog) {
3473 error_report("only one watchdog option may be given");
3474 return 1;
3475 }
3476 watchdog = optarg;
3477 break;
3478 case QEMU_OPTION_watchdog_action:
3479 if (select_watchdog_action(optarg) == -1) {
3480 error_report("unknown -watchdog-action parameter");
3481 exit(1);
3482 }
3483 break;
3484 case QEMU_OPTION_virtiocon:
3485 warn_report("This option is deprecated, "
3486 "use '-device virtconsole' instead");
3487 add_device_config(DEV_VIRTCON, optarg);
3488 default_virtcon = 0;
3489 if (strncmp(optarg, "mon:", 4) == 0) {
3490 default_monitor = 0;
3491 }
3492 break;
3493 case QEMU_OPTION_parallel:
3494 add_device_config(DEV_PARALLEL, optarg);
3495 default_parallel = 0;
3496 if (strncmp(optarg, "mon:", 4) == 0) {
3497 default_monitor = 0;
3498 }
3499 break;
3500 case QEMU_OPTION_debugcon:
3501 add_device_config(DEV_DEBUGCON, optarg);
3502 break;
3503 case QEMU_OPTION_loadvm:
3504 loadvm = optarg;
3505 break;
3506 case QEMU_OPTION_full_screen:
3507 dpy.has_full_screen = true;
3508 dpy.full_screen = true;
3509 break;
3510 case QEMU_OPTION_no_frame:
3511 g_printerr("The -no-frame switch is deprecated, and will be\n"
3512 "removed in a future release.\n");
3513 no_frame = 1;
3514 break;
3515 case QEMU_OPTION_alt_grab:
3516 alt_grab = 1;
3517 break;
3518 case QEMU_OPTION_ctrl_grab:
3519 ctrl_grab = 1;
3520 break;
3521 case QEMU_OPTION_no_quit:
3522 dpy.has_window_close = true;
3523 dpy.window_close = false;
3524 break;
3525 case QEMU_OPTION_sdl:
3526 #ifdef CONFIG_SDL
3527 dpy.type = DISPLAY_TYPE_SDL;
3528 break;
3529 #else
3530 error_report("SDL support is disabled");
3531 exit(1);
3532 #endif
3533 case QEMU_OPTION_pidfile:
3534 pid_file = optarg;
3535 break;
3536 case QEMU_OPTION_win2k_hack:
3537 win2k_install_hack = 1;
3538 break;
3539 case QEMU_OPTION_rtc_td_hack: {
3540 static GlobalProperty slew_lost_ticks = {
3541 .driver = "mc146818rtc",
3542 .property = "lost_tick_policy",
3543 .value = "slew",
3544 };
3545
3546 qdev_prop_register_global(&slew_lost_ticks);
3547 warn_report("This option is deprecated, "
3548 "use '-rtc driftfix=slew' instead.");
3549 break;
3550 }
3551 case QEMU_OPTION_acpitable:
3552 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3553 optarg, true);
3554 if (!opts) {
3555 exit(1);
3556 }
3557 acpi_table_add(opts, &error_fatal);
3558 break;
3559 case QEMU_OPTION_smbios:
3560 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3561 optarg, false);
3562 if (!opts) {
3563 exit(1);
3564 }
3565 smbios_entry_add(opts, &error_fatal);
3566 break;
3567 case QEMU_OPTION_fwcfg:
3568 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3569 optarg, true);
3570 if (opts == NULL) {
3571 exit(1);
3572 }
3573 break;
3574 case QEMU_OPTION_preconfig:
3575 preconfig_exit_requested = false;
3576 break;
3577 case QEMU_OPTION_enable_kvm:
3578 olist = qemu_find_opts("machine");
3579 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3580 break;
3581 case QEMU_OPTION_enable_hax:
3582 olist = qemu_find_opts("machine");
3583 qemu_opts_parse_noisily(olist, "accel=hax", false);
3584 break;
3585 case QEMU_OPTION_M:
3586 case QEMU_OPTION_machine:
3587 olist = qemu_find_opts("machine");
3588 opts = qemu_opts_parse_noisily(olist, optarg, true);
3589 if (!opts) {
3590 exit(1);
3591 }
3592 break;
3593 case QEMU_OPTION_no_kvm:
3594 olist = qemu_find_opts("machine");
3595 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3596 break;
3597 case QEMU_OPTION_accel:
3598 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3599 optarg, true);
3600 optarg = qemu_opt_get(accel_opts, "accel");
3601 if (!optarg || is_help_option(optarg)) {
3602 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3603 exit(0);
3604 }
3605 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3606 false, &error_abort);
3607 qemu_opt_set(opts, "accel", optarg, &error_abort);
3608 break;
3609 case QEMU_OPTION_usb:
3610 olist = qemu_find_opts("machine");
3611 qemu_opts_parse_noisily(olist, "usb=on", false);
3612 break;
3613 case QEMU_OPTION_usbdevice:
3614 error_report("'-usbdevice' is deprecated, please use "
3615 "'-device usb-...' instead");
3616 olist = qemu_find_opts("machine");
3617 qemu_opts_parse_noisily(olist, "usb=on", false);
3618 add_device_config(DEV_USB, optarg);
3619 break;
3620 case QEMU_OPTION_device:
3621 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3622 optarg, true)) {
3623 exit(1);
3624 }
3625 break;
3626 case QEMU_OPTION_smp:
3627 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3628 optarg, true)) {
3629 exit(1);
3630 }
3631 break;
3632 case QEMU_OPTION_vnc:
3633 vnc_parse(optarg, &error_fatal);
3634 break;
3635 case QEMU_OPTION_no_acpi:
3636 acpi_enabled = 0;
3637 break;
3638 case QEMU_OPTION_no_hpet:
3639 no_hpet = 1;
3640 break;
3641 case QEMU_OPTION_balloon:
3642 if (balloon_parse(optarg) < 0) {
3643 error_report("unknown -balloon argument %s", optarg);
3644 exit(1);
3645 }
3646 break;
3647 case QEMU_OPTION_no_reboot:
3648 no_reboot = 1;
3649 break;
3650 case QEMU_OPTION_no_shutdown:
3651 no_shutdown = 1;
3652 break;
3653 case QEMU_OPTION_show_cursor:
3654 cursor_hide = 0;
3655 break;
3656 case QEMU_OPTION_uuid:
3657 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3658 error_report("failed to parse UUID string: wrong format");
3659 exit(1);
3660 }
3661 qemu_uuid_set = true;
3662 break;
3663 case QEMU_OPTION_option_rom:
3664 if (nb_option_roms >= MAX_OPTION_ROMS) {
3665 error_report("too many option ROMs");
3666 exit(1);
3667 }
3668 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3669 optarg, true);
3670 if (!opts) {
3671 exit(1);
3672 }
3673 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3674 option_rom[nb_option_roms].bootindex =
3675 qemu_opt_get_number(opts, "bootindex", -1);
3676 if (!option_rom[nb_option_roms].name) {
3677 error_report("Option ROM file is not specified");
3678 exit(1);
3679 }
3680 nb_option_roms++;
3681 break;
3682 case QEMU_OPTION_semihosting:
3683 semihosting.enabled = true;
3684 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3685 break;
3686 case QEMU_OPTION_semihosting_config:
3687 semihosting.enabled = true;
3688 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3689 optarg, false);
3690 if (opts != NULL) {
3691 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3692 true);
3693 const char *target = qemu_opt_get(opts, "target");
3694 if (target != NULL) {
3695 if (strcmp("native", target) == 0) {
3696 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3697 } else if (strcmp("gdb", target) == 0) {
3698 semihosting.target = SEMIHOSTING_TARGET_GDB;
3699 } else if (strcmp("auto", target) == 0) {
3700 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3701 } else {
3702 error_report("unsupported semihosting-config %s",
3703 optarg);
3704 exit(1);
3705 }
3706 } else {
3707 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3708 }
3709 /* Set semihosting argument count and vector */
3710 qemu_opt_foreach(opts, add_semihosting_arg,
3711 &semihosting, NULL);
3712 } else {
3713 error_report("unsupported semihosting-config %s", optarg);
3714 exit(1);
3715 }
3716 break;
3717 case QEMU_OPTION_name:
3718 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3719 optarg, true);
3720 if (!opts) {
3721 exit(1);
3722 }
3723 break;
3724 case QEMU_OPTION_prom_env:
3725 if (nb_prom_envs >= MAX_PROM_ENVS) {
3726 error_report("too many prom variables");
3727 exit(1);
3728 }
3729 prom_envs[nb_prom_envs] = optarg;
3730 nb_prom_envs++;
3731 break;
3732 case QEMU_OPTION_old_param:
3733 old_param = 1;
3734 break;
3735 case QEMU_OPTION_clock:
3736 /* Clock options no longer exist. Keep this option for
3737 * backward compatibility.
3738 */
3739 warn_report("This option is ignored and will be removed soon");
3740 break;
3741 case QEMU_OPTION_startdate:
3742 warn_report("This option is deprecated, use '-rtc base=' instead.");
3743 configure_rtc_date_offset(optarg, 1);
3744 break;
3745 case QEMU_OPTION_rtc:
3746 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3747 false);
3748 if (!opts) {
3749 exit(1);
3750 }
3751 configure_rtc(opts);
3752 break;
3753 case QEMU_OPTION_tb_size:
3754 #ifndef CONFIG_TCG
3755 error_report("TCG is disabled");
3756 exit(1);
3757 #endif
3758 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3759 error_report("Invalid argument to -tb-size");
3760 exit(1);
3761 }
3762 break;
3763 case QEMU_OPTION_icount:
3764 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3765 optarg, true);
3766 if (!icount_opts) {
3767 exit(1);
3768 }
3769 break;
3770 case QEMU_OPTION_incoming:
3771 if (!incoming) {
3772 runstate_set(RUN_STATE_INMIGRATE);
3773 }
3774 incoming = optarg;
3775 break;
3776 case QEMU_OPTION_only_migratable:
3777 /*
3778 * TODO: we can remove this option one day, and we
3779 * should all use:
3780 *
3781 * "-global migration.only-migratable=true"
3782 */
3783 qemu_global_option("migration.only-migratable=true");
3784 break;
3785 case QEMU_OPTION_nodefaults:
3786 has_defaults = 0;
3787 break;
3788 case QEMU_OPTION_xen_domid:
3789 if (!(xen_available())) {
3790 error_report("Option not supported for this target");
3791 exit(1);
3792 }
3793 xen_domid = atoi(optarg);
3794 break;
3795 case QEMU_OPTION_xen_create:
3796 if (!(xen_available())) {
3797 error_report("Option not supported for this target");
3798 exit(1);
3799 }
3800 xen_mode = XEN_CREATE;
3801 break;
3802 case QEMU_OPTION_xen_attach:
3803 if (!(xen_available())) {
3804 error_report("Option not supported for this target");
3805 exit(1);
3806 }
3807 xen_mode = XEN_ATTACH;
3808 break;
3809 case QEMU_OPTION_xen_domid_restrict:
3810 if (!(xen_available())) {
3811 error_report("Option not supported for this target");
3812 exit(1);
3813 }
3814 xen_domid_restrict = true;
3815 break;
3816 case QEMU_OPTION_trace:
3817 g_free(trace_file);
3818 trace_file = trace_opt_parse(optarg);
3819 break;
3820 case QEMU_OPTION_readconfig:
3821 {
3822 int ret = qemu_read_config_file(optarg);
3823 if (ret < 0) {
3824 error_report("read config %s: %s", optarg,
3825 strerror(-ret));
3826 exit(1);
3827 }
3828 break;
3829 }
3830 case QEMU_OPTION_spice:
3831 olist = qemu_find_opts("spice");
3832 if (!olist) {
3833 error_report("spice support is disabled");
3834 exit(1);
3835 }
3836 opts = qemu_opts_parse_noisily(olist, optarg, false);
3837 if (!opts) {
3838 exit(1);
3839 }
3840 display_remote++;
3841 break;
3842 case QEMU_OPTION_writeconfig:
3843 {
3844 FILE *fp;
3845 if (strcmp(optarg, "-") == 0) {
3846 fp = stdout;
3847 } else {
3848 fp = fopen(optarg, "w");
3849 if (fp == NULL) {
3850 error_report("open %s: %s", optarg,
3851 strerror(errno));
3852 exit(1);
3853 }
3854 }
3855 qemu_config_write(fp);
3856 if (fp != stdout) {
3857 fclose(fp);
3858 }
3859 break;
3860 }
3861 case QEMU_OPTION_qtest:
3862 qtest_chrdev = optarg;
3863 break;
3864 case QEMU_OPTION_qtest_log:
3865 qtest_log = optarg;
3866 break;
3867 case QEMU_OPTION_sandbox:
3868 #ifdef CONFIG_SECCOMP
3869 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3870 optarg, true);
3871 if (!opts) {
3872 exit(1);
3873 }
3874 #else
3875 error_report("-sandbox support is not enabled "
3876 "in this QEMU binary");
3877 exit(1);
3878 #endif
3879 break;
3880 case QEMU_OPTION_add_fd:
3881 #ifndef _WIN32
3882 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3883 optarg, false);
3884 if (!opts) {
3885 exit(1);
3886 }
3887 #else
3888 error_report("File descriptor passing is disabled on this "
3889 "platform");
3890 exit(1);
3891 #endif
3892 break;
3893 case QEMU_OPTION_object:
3894 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3895 optarg, true);
3896 if (!opts) {
3897 exit(1);
3898 }
3899 break;
3900 case QEMU_OPTION_realtime:
3901 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3902 optarg, false);
3903 if (!opts) {
3904 exit(1);
3905 }
3906 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3907 break;
3908 case QEMU_OPTION_msg:
3909 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3910 false);
3911 if (!opts) {
3912 exit(1);
3913 }
3914 configure_msg(opts);
3915 break;
3916 case QEMU_OPTION_dump_vmstate:
3917 if (vmstate_dump_file) {
3918 error_report("only one '-dump-vmstate' "
3919 "option may be given");
3920 exit(1);
3921 }
3922 vmstate_dump_file = fopen(optarg, "w");
3923 if (vmstate_dump_file == NULL) {
3924 error_report("open %s: %s", optarg, strerror(errno));
3925 exit(1);
3926 }
3927 break;
3928 case QEMU_OPTION_nodefconfig:
3929 case QEMU_OPTION_nouserconfig:
3930 /* Nothing to be parsed here. Especially, do not error out below. */
3931 break;
3932 default:
3933 if (os_parse_cmd_args(popt->index, optarg)) {
3934 error_report("Option not supported in this build");
3935 exit(1);
3936 }
3937 }
3938 }
3939 }
3940 /*
3941 * Clear error location left behind by the loop.
3942 * Best done right after the loop. Do not insert code here!
3943 */
3944 loc_set_none();
3945
3946 replay_configure(icount_opts);
3947
3948 if (incoming && !preconfig_exit_requested) {
3949 error_report("'preconfig' and 'incoming' options are "
3950 "mutually exclusive");
3951 exit(EXIT_FAILURE);
3952 }
3953
3954 machine_class = select_machine();
3955
3956 set_memory_options(&ram_slots, &maxram_size, machine_class);
3957
3958 os_daemonize();
3959 rcu_disable_atfork();
3960
3961 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3962 error_report("could not acquire pid file: %s", strerror(errno));
3963 exit(1);
3964 }
3965
3966 if (qemu_init_main_loop(&main_loop_err)) {
3967 error_report_err(main_loop_err);
3968 exit(1);
3969 }
3970
3971 #ifdef CONFIG_SECCOMP
3972 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
3973 parse_sandbox, NULL, NULL)) {
3974 exit(1);
3975 }
3976 #endif
3977
3978 if (qemu_opts_foreach(qemu_find_opts("name"),
3979 parse_name, NULL, NULL)) {
3980 exit(1);
3981 }
3982
3983 #ifndef _WIN32
3984 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3985 parse_add_fd, NULL, NULL)) {
3986 exit(1);
3987 }
3988
3989 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3990 cleanup_add_fd, NULL, NULL)) {
3991 exit(1);
3992 }
3993 #endif
3994
3995 current_machine = MACHINE(object_new(object_class_get_name(
3996 OBJECT_CLASS(machine_class))));
3997 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3998 exit(0);
3999 }
4000 object_property_add_child(object_get_root(), "machine",
4001 OBJECT(current_machine), &error_abort);
4002
4003 if (machine_class->minimum_page_bits) {
4004 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4005 /* This would be a board error: specifying a minimum smaller than
4006 * a target's compile-time fixed setting.
4007 */
4008 g_assert_not_reached();
4009 }
4010 }
4011
4012 cpu_exec_init_all();
4013
4014 if (machine_class->hw_version) {
4015 qemu_set_hw_version(machine_class->hw_version);
4016 }
4017
4018 if (cpu_model && is_help_option(cpu_model)) {
4019 list_cpus(stdout, &fprintf, cpu_model);
4020 exit(0);
4021 }
4022
4023 if (!trace_init_backends()) {
4024 exit(1);
4025 }
4026 trace_init_file(trace_file);
4027
4028 /* Open the logfile at this point and set the log mask if necessary.
4029 */
4030 if (log_file) {
4031 qemu_set_log_filename(log_file, &error_fatal);
4032 }
4033
4034 if (log_mask) {
4035 int mask;
4036 mask = qemu_str_to_log_mask(log_mask);
4037 if (!mask) {
4038 qemu_print_log_usage(stdout);
4039 exit(1);
4040 }
4041 qemu_set_log(mask);
4042 } else {
4043 qemu_set_log(0);
4044 }
4045
4046 /* add configured firmware directories */
4047 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4048 for (i = 0; dirs[i] != NULL; i++) {
4049 qemu_add_data_dir(dirs[i]);
4050 }
4051 g_strfreev(dirs);
4052
4053 /* try to find datadir relative to the executable path */
4054 dir = os_find_datadir();
4055 qemu_add_data_dir(dir);
4056 g_free(dir);
4057
4058 /* add the datadir specified when building */
4059 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4060
4061 /* -L help lists the data directories and exits. */
4062 if (list_data_dirs) {
4063 for (i = 0; i < data_dir_idx; i++) {
4064 printf("%s\n", data_dir[i]);
4065 }
4066 exit(0);
4067 }
4068
4069 /* machine_class: default to UP */
4070 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4071 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4072 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4073
4074 /* default to machine_class->default_cpus */
4075 smp_cpus = machine_class->default_cpus;
4076 max_cpus = machine_class->default_cpus;
4077
4078 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4079
4080 /* sanity-check smp_cpus and max_cpus against machine_class */
4081 if (smp_cpus < machine_class->min_cpus) {
4082 error_report("Invalid SMP CPUs %d. The min CPUs "
4083 "supported by machine '%s' is %d", smp_cpus,
4084 machine_class->name, machine_class->min_cpus);
4085 exit(1);
4086 }
4087 if (max_cpus > machine_class->max_cpus) {
4088 error_report("Invalid SMP CPUs %d. The max CPUs "
4089 "supported by machine '%s' is %d", max_cpus,
4090 machine_class->name, machine_class->max_cpus);
4091 exit(1);
4092 }
4093
4094 /*
4095 * Get the default machine options from the machine if it is not already
4096 * specified either by the configuration file or by the command line.
4097 */
4098 if (machine_class->default_machine_opts) {
4099 qemu_opts_set_defaults(qemu_find_opts("machine"),
4100 machine_class->default_machine_opts, 0);
4101 }
4102
4103 qemu_opts_foreach(qemu_find_opts("device"),
4104 default_driver_check, NULL, NULL);
4105 qemu_opts_foreach(qemu_find_opts("global"),
4106 default_driver_check, NULL, NULL);
4107
4108 if (!vga_model && !default_vga) {
4109 vga_interface_type = VGA_DEVICE;
4110 }
4111 if (!has_defaults || machine_class->no_serial) {
4112 default_serial = 0;
4113 }
4114 if (!has_defaults || machine_class->no_parallel) {
4115 default_parallel = 0;
4116 }
4117 if (!has_defaults || !machine_class->use_virtcon) {
4118 default_virtcon = 0;
4119 }
4120 if (!has_defaults || machine_class->no_floppy) {
4121 default_floppy = 0;
4122 }
4123 if (!has_defaults || machine_class->no_cdrom) {
4124 default_cdrom = 0;
4125 }
4126 if (!has_defaults || machine_class->no_sdcard) {
4127 default_sdcard = 0;
4128 }
4129 if (!has_defaults) {
4130 default_monitor = 0;
4131 default_net = 0;
4132 default_vga = 0;
4133 }
4134
4135 if (is_daemonized()) {
4136 /* According to documentation and historically, -nographic redirects
4137 * serial port, parallel port and monitor to stdio, which does not work
4138 * with -daemonize. We can redirect these to null instead, but since
4139 * -nographic is legacy, let's just error out.
4140 * We disallow -nographic only if all other ports are not redirected
4141 * explicitly, to not break existing legacy setups which uses
4142 * -nographic _and_ redirects all ports explicitly - this is valid
4143 * usage, -nographic is just a no-op in this case.
4144 */
4145 if (nographic
4146 && (default_parallel || default_serial
4147 || default_monitor || default_virtcon)) {
4148 error_report("-nographic cannot be used with -daemonize");
4149 exit(1);
4150 }
4151 #ifdef CONFIG_CURSES
4152 if (dpy.type == DISPLAY_TYPE_CURSES) {
4153 error_report("curses display cannot be used with -daemonize");
4154 exit(1);
4155 }
4156 #endif
4157 }
4158
4159 if (nographic) {
4160 if (default_parallel)
4161 add_device_config(DEV_PARALLEL, "null");
4162 if (default_serial && default_monitor) {
4163 add_device_config(DEV_SERIAL, "mon:stdio");
4164 } else if (default_virtcon && default_monitor) {
4165 add_device_config(DEV_VIRTCON, "mon:stdio");
4166 } else {
4167 if (default_serial)
4168 add_device_config(DEV_SERIAL, "stdio");
4169 if (default_virtcon)
4170 add_device_config(DEV_VIRTCON, "stdio");
4171 if (default_monitor)
4172 monitor_parse("stdio", "readline", false);
4173 }
4174 } else {
4175 if (default_serial)
4176 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4177 if (default_parallel)
4178 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4179 if (default_monitor)
4180 monitor_parse("vc:80Cx24C", "readline", false);
4181 if (default_virtcon)
4182 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4183 }
4184
4185 #if defined(CONFIG_VNC)
4186 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4187 display_remote++;
4188 }
4189 #endif
4190 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4191 if (!qemu_display_find_default(&dpy)) {
4192 dpy.type = DISPLAY_TYPE_NONE;
4193 #if defined(CONFIG_VNC)
4194 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4195 #endif
4196 }
4197 }
4198 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4199 dpy.type = DISPLAY_TYPE_NONE;
4200 }
4201
4202 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4203 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4204 "for SDL, ignoring option");
4205 }
4206 if (dpy.has_window_close &&
4207 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4208 error_report("-no-quit is only valid for GTK and SDL, "
4209 "ignoring option");
4210 }
4211
4212 qemu_display_early_init(&dpy);
4213 qemu_console_early_init();
4214
4215 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4216 #if defined(CONFIG_OPENGL)
4217 error_report("OpenGL is not supported by the display");
4218 #else
4219 error_report("OpenGL support is disabled");
4220 #endif
4221 exit(1);
4222 }
4223
4224 page_size_init();
4225 socket_init();
4226
4227 if (qemu_opts_foreach(qemu_find_opts("object"),
4228 user_creatable_add_opts_foreach,
4229 object_create_initial, NULL)) {
4230 exit(1);
4231 }
4232
4233 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4234 chardev_init_func, NULL, NULL)) {
4235 exit(1);
4236 }
4237
4238 #ifdef CONFIG_VIRTFS
4239 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4240 fsdev_init_func, NULL, NULL)) {
4241 exit(1);
4242 }
4243 #endif
4244
4245 if (qemu_opts_foreach(qemu_find_opts("device"),
4246 device_help_func, NULL, NULL)) {
4247 exit(0);
4248 }
4249
4250 machine_opts = qemu_get_machine_opts();
4251 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4252 NULL)) {
4253 object_unref(OBJECT(current_machine));
4254 exit(1);
4255 }
4256
4257 configure_accelerator(current_machine);
4258
4259 /*
4260 * Register all the global properties, including accel properties,
4261 * machine properties, and user-specified ones.
4262 */
4263 register_global_properties(current_machine);
4264
4265 /*
4266 * Migration object can only be created after global properties
4267 * are applied correctly.
4268 */
4269 migration_object_init();
4270
4271 if (qtest_chrdev) {
4272 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4273 }
4274
4275 machine_opts = qemu_get_machine_opts();
4276 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4277 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4278 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4279 bios_name = qemu_opt_get(machine_opts, "firmware");
4280
4281 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4282 if (opts) {
4283 boot_order = qemu_opt_get(opts, "order");
4284 if (boot_order) {
4285 validate_bootdevices(boot_order, &error_fatal);
4286 }
4287
4288 boot_once = qemu_opt_get(opts, "once");
4289 if (boot_once) {
4290 validate_bootdevices(boot_once, &error_fatal);
4291 }
4292
4293 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4294 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4295 }
4296
4297 if (!boot_order) {
4298 boot_order = machine_class->default_boot_order;
4299 }
4300
4301 if (!kernel_cmdline) {
4302 kernel_cmdline = "";
4303 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4304 }
4305
4306 linux_boot = (kernel_filename != NULL);
4307
4308 if (!linux_boot && *kernel_cmdline != '\0') {
4309 error_report("-append only allowed with -kernel option");
4310 exit(1);
4311 }
4312
4313 if (!linux_boot && initrd_filename != NULL) {
4314 error_report("-initrd only allowed with -kernel option");
4315 exit(1);
4316 }
4317
4318 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4319 /* fall back to the -kernel/-append */
4320 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4321 }
4322
4323 os_set_line_buffering();
4324
4325 /* spice needs the timers to be initialized by this point */
4326 qemu_spice_init();
4327
4328 cpu_ticks_init();
4329 if (icount_opts) {
4330 if (!tcg_enabled()) {
4331 error_report("-icount is not allowed with hardware virtualization");
4332 exit(1);
4333 }
4334 configure_icount(icount_opts, &error_abort);
4335 qemu_opts_del(icount_opts);
4336 }
4337
4338 if (tcg_enabled()) {
4339 qemu_tcg_configure(accel_opts, &error_fatal);
4340 }
4341
4342 if (default_net) {
4343 QemuOptsList *net = qemu_find_opts("net");
4344 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4345 #ifdef CONFIG_SLIRP
4346 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4347 #endif
4348 }
4349
4350 colo_info_init();
4351
4352 if (net_init_clients(&err) < 0) {
4353 error_report_err(err);
4354 exit(1);
4355 }
4356
4357 if (qemu_opts_foreach(qemu_find_opts("object"),
4358 user_creatable_add_opts_foreach,
4359 object_create_delayed, NULL)) {
4360 exit(1);
4361 }
4362
4363 if (tpm_init() < 0) {
4364 exit(1);
4365 }
4366
4367 /* init the bluetooth world */
4368 if (foreach_device_config(DEV_BT, bt_parse))
4369 exit(1);
4370
4371 if (!xen_enabled()) {
4372 /* On 32-bit hosts, QEMU is limited by virtual address space */
4373 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4374 error_report("at most 2047 MB RAM can be simulated");
4375 exit(1);
4376 }
4377 }
4378
4379 blk_mig_init();
4380 ram_mig_init();
4381 dirty_bitmap_mig_init();
4382
4383 /* If the currently selected machine wishes to override the units-per-bus
4384 * property of its default HBA interface type, do so now. */
4385 if (machine_class->units_per_default_bus) {
4386 override_max_devs(machine_class->block_default_type,
4387 machine_class->units_per_default_bus);
4388 }
4389
4390 /* open the virtual block devices */
4391 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4392 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4393
4394 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4395 loc_push_restore(&bdo->loc);
4396 qmp_blockdev_add(bdo->bdo, &error_fatal);
4397 loc_pop(&bdo->loc);
4398 qapi_free_BlockdevOptions(bdo->bdo);
4399 g_free(bdo);
4400 }
4401 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4402 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4403 NULL, NULL);
4404 }
4405 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4406 &machine_class->block_default_type, NULL)) {
4407 exit(1);
4408 }
4409
4410 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4411 CDROM_OPTS);
4412 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4413 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4414
4415 /*
4416 * Note: qtest_enabled() (which is used in monitor_qapi_event_init())
4417 * depends on configure_accelerator() above.
4418 */
4419 monitor_init_globals();
4420
4421 if (qemu_opts_foreach(qemu_find_opts("mon"),
4422 mon_init_func, NULL, NULL)) {
4423 exit(1);
4424 }
4425
4426 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4427 exit(1);
4428 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4429 exit(1);
4430 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4431 exit(1);
4432 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4433 exit(1);
4434
4435 /* If no default VGA is requested, the default is "none". */
4436 if (default_vga) {
4437 if (machine_class->default_display) {
4438 vga_model = machine_class->default_display;
4439 } else if (vga_interface_available(VGA_CIRRUS)) {
4440 vga_model = "cirrus";
4441 } else if (vga_interface_available(VGA_STD)) {
4442 vga_model = "std";
4443 }
4444 }
4445 if (vga_model) {
4446 select_vgahw(vga_model);
4447 }
4448
4449 if (watchdog) {
4450 i = select_watchdog(watchdog);
4451 if (i > 0)
4452 exit (i == 1 ? 1 : 0);
4453 }
4454
4455 /* This checkpoint is required by replay to separate prior clock
4456 reading from the other reads, because timer polling functions query
4457 clock values from the log. */
4458 replay_checkpoint(CHECKPOINT_INIT);
4459 qdev_machine_init();
4460
4461 current_machine->ram_size = ram_size;
4462 current_machine->maxram_size = maxram_size;
4463 current_machine->ram_slots = ram_slots;
4464 current_machine->boot_order = boot_order;
4465
4466 /* parse features once if machine provides default cpu_type */
4467 current_machine->cpu_type = machine_class->default_cpu_type;
4468 if (cpu_model) {
4469 current_machine->cpu_type = parse_cpu_model(cpu_model);
4470 }
4471 parse_numa_opts(current_machine);
4472
4473 /* do monitor/qmp handling at preconfig state if requested */
4474 main_loop();
4475
4476 /* from here on runstate is RUN_STATE_PRELAUNCH */
4477 machine_run_board_init(current_machine);
4478
4479 realtime_init();
4480
4481 soundhw_init();
4482
4483 if (hax_enabled()) {
4484 hax_sync_vcpus();
4485 }
4486
4487 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4488 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4489 exit(1);
4490 }
4491
4492 /* init USB devices */
4493 if (machine_usb(current_machine)) {
4494 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4495 exit(1);
4496 }
4497
4498 /* Check if IGD GFX passthrough. */
4499 igd_gfx_passthru();
4500
4501 /* init generic devices */
4502 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4503 if (qemu_opts_foreach(qemu_find_opts("device"),
4504 device_init_func, NULL, NULL)) {
4505 exit(1);
4506 }
4507
4508 cpu_synchronize_all_post_init();
4509
4510 rom_reset_order_override();
4511
4512 /* Did we create any drives that we failed to create a device for? */
4513 drive_check_orphaned();
4514
4515 /* Don't warn about the default network setup that you get if
4516 * no command line -net or -netdev options are specified. There
4517 * are two cases that we would otherwise complain about:
4518 * (1) board doesn't support a NIC but the implicit "-net nic"
4519 * requested one
4520 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4521 * sets up a nic that isn't connected to anything.
4522 */
4523 if (!default_net) {
4524 net_check_clients();
4525 }
4526
4527
4528 if (boot_once) {
4529 qemu_boot_set(boot_once, &error_fatal);
4530 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4531 }
4532
4533 /* init local displays */
4534 ds = init_displaystate();
4535 qemu_display_init(ds, &dpy);
4536
4537 /* must be after terminal init, SDL library changes signal handlers */
4538 os_setup_signal_handling();
4539
4540 /* init remote displays */
4541 #ifdef CONFIG_VNC
4542 qemu_opts_foreach(qemu_find_opts("vnc"),
4543 vnc_init_func, NULL, NULL);
4544 #endif
4545
4546 if (using_spice) {
4547 qemu_spice_display_init();
4548 }
4549
4550 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4551 exit(1);
4552 }
4553
4554 qdev_machine_creation_done();
4555
4556 /* TODO: once all bus devices are qdevified, this should be done
4557 * when bus is created by qdev.c */
4558 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4559 qemu_run_machine_init_done_notifiers();
4560
4561 if (rom_check_and_register_reset() != 0) {
4562 error_report("rom check and register reset failed");
4563 exit(1);
4564 }
4565
4566 replay_start();
4567
4568 /* This checkpoint is required by replay to separate prior clock
4569 reading from the other reads, because timer polling functions query
4570 clock values from the log. */
4571 replay_checkpoint(CHECKPOINT_RESET);
4572 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4573 register_global_state();
4574 if (replay_mode != REPLAY_MODE_NONE) {
4575 replay_vmstate_init();
4576 } else if (loadvm) {
4577 Error *local_err = NULL;
4578 if (load_snapshot(loadvm, &local_err) < 0) {
4579 error_report_err(local_err);
4580 autostart = 0;
4581 }
4582 }
4583
4584 qdev_prop_check_globals();
4585 if (vmstate_dump_file) {
4586 /* dump and exit */
4587 dump_vmstate_json_to_file(vmstate_dump_file);
4588 return 0;
4589 }
4590
4591 if (incoming) {
4592 Error *local_err = NULL;
4593 qemu_start_incoming_migration(incoming, &local_err);
4594 if (local_err) {
4595 error_reportf_err(local_err, "-incoming %s: ", incoming);
4596 exit(1);
4597 }
4598 } else if (autostart) {
4599 vm_start();
4600 }
4601
4602 accel_setup_post(current_machine);
4603 os_setup_post();
4604
4605 main_loop();
4606
4607 gdbserver_cleanup();
4608
4609 /* No more vcpu or device emulation activity beyond this point */
4610 vm_shutdown();
4611
4612 job_cancel_sync_all();
4613 bdrv_close_all();
4614
4615 res_free();
4616
4617 /* vhost-user must be cleaned up before chardevs. */
4618 tpm_cleanup();
4619 net_cleanup();
4620 audio_cleanup();
4621 monitor_cleanup();
4622 qemu_chr_cleanup();
4623 user_creatable_cleanup();
4624 migration_object_finalize();
4625 /* TODO: unref root container, check all devices are ok */
4626
4627 return 0;
4628 }
AR7 emulation for QEMU