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mux: convert to finalize
[qemu/ar7.git] / vl.c
blob0b72b128788155c2b226d9928389d371cede9f97
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 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
29
30 #ifdef CONFIG_SECCOMP
31 #include "sysemu/seccomp.h"
32 #endif
33
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
36 #endif
37
38 #ifdef CONFIG_SDL
39 #if defined(__APPLE__) || defined(main)
40 #include <SDL.h>
41 int qemu_main(int argc, char **argv, char **envp);
42 int main(int argc, char **argv)
43 {
44 return qemu_main(argc, argv, NULL);
45 }
46 #undef main
47 #define main qemu_main
48 #endif
49 #endif /* CONFIG_SDL */
50
51 #ifdef CONFIG_COCOA
52 #undef main
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
55
56
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
59 #include "hw/hw.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
62 #include "hw/usb.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
65 #include "hw/bt.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/acpi/acpi.h"
69 #include "hw/xen/xen.h"
70 #include "hw/qdev.h"
71 #include "hw/loader.h"
72 #include "monitor/qdev.h"
73 #include "sysemu/bt.h"
74 #include "net/net.h"
75 #include "net/slirp.h"
76 #include "monitor/monitor.h"
77 #include "ui/console.h"
78 #include "ui/input.h"
79 #include "sysemu/sysemu.h"
80 #include "sysemu/numa.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/log.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/cpus.h"
94 #include "migration/colo.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qmp/qjson.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qmp-commands.h"
102 #include "qemu/main-loop.h"
103 #ifdef CONFIG_VIRTFS
104 #include "fsdev/qemu-fsdev.h"
105 #endif
106 #include "sysemu/qtest.h"
107
108 #include "disas/disas.h"
109
110
111 #include "slirp/libslirp.h"
112
113 #include "trace.h"
114 #include "trace/control.h"
115 #include "qemu/queue.h"
116 #include "sysemu/arch_init.h"
117
118 #include "ui/qemu-spice.h"
119 #include "qapi/string-input-visitor.h"
120 #include "qapi/opts-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "qapi-event.h"
123 #include "exec/semihost.h"
124 #include "crypto/init.h"
125 #include "sysemu/replay.h"
126 #include "qapi/qmp/qerror.h"
127 #include "sysemu/iothread.h"
128
129 #define MAX_VIRTIO_CONSOLES 1
130 #define MAX_SCLP_CONSOLES 1
131
132 static const char *data_dir[16];
133 static int data_dir_idx;
134 const char *bios_name = NULL;
135 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
136 int request_opengl = -1;
137 int display_opengl;
138 const char* keyboard_layout = NULL;
139 ram_addr_t ram_size;
140 const char *mem_path = NULL;
141 int mem_prealloc = 0; /* force preallocation of physical target memory */
142 bool enable_mlock = false;
143 int nb_nics;
144 NICInfo nd_table[MAX_NICS];
145 int autostart;
146 static int rtc_utc = 1;
147 static int rtc_date_offset = -1; /* -1 means no change */
148 QEMUClockType rtc_clock;
149 int vga_interface_type = VGA_NONE;
150 static int full_screen = 0;
151 static int no_frame = 0;
152 int no_quit = 0;
153 static bool grab_on_hover;
154 Chardev *serial_hds[MAX_SERIAL_PORTS];
155 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
156 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
157 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
158 int win2k_install_hack = 0;
159 int singlestep = 0;
160 int smp_cpus = 1;
161 int max_cpus = 1;
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 int only_migratable; /* turn it off unless user states otherwise */
186
187 int icount_align_option;
188
189 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
190 * little-endian "wire format" described in the SMBIOS 2.6 specification.
191 */
192 QemuUUID qemu_uuid;
193 bool qemu_uuid_set;
194
195 static NotifierList exit_notifiers =
196 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
197
198 static NotifierList machine_init_done_notifiers =
199 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
200
201 bool xen_allowed;
202 uint32_t xen_domid;
203 enum xen_mode xen_mode = XEN_EMULATE;
204
205 static int has_defaults = 1;
206 static int default_serial = 1;
207 static int default_parallel = 1;
208 static int default_virtcon = 1;
209 static int default_sclp = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215 static int default_net = 1;
216
217 static struct {
218 const char *driver;
219 int *flag;
220 } default_list[] = {
221 { .driver = "isa-serial", .flag = &default_serial },
222 { .driver = "isa-parallel", .flag = &default_parallel },
223 { .driver = "isa-fdc", .flag = &default_floppy },
224 { .driver = "floppy", .flag = &default_floppy },
225 { .driver = "ide-cd", .flag = &default_cdrom },
226 { .driver = "ide-hd", .flag = &default_cdrom },
227 { .driver = "ide-drive", .flag = &default_cdrom },
228 { .driver = "scsi-cd", .flag = &default_cdrom },
229 { .driver = "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_sandbox_opts = {
259 .name = "sandbox",
260 .implied_opt_name = "enable",
261 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
262 .desc = {
263 {
264 .name = "enable",
265 .type = QEMU_OPT_BOOL,
266 },
267 { /* end of list */ }
268 },
269 };
270
271 static QemuOptsList qemu_option_rom_opts = {
272 .name = "option-rom",
273 .implied_opt_name = "romfile",
274 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
275 .desc = {
276 {
277 .name = "bootindex",
278 .type = QEMU_OPT_NUMBER,
279 }, {
280 .name = "romfile",
281 .type = QEMU_OPT_STRING,
282 },
283 { /* end of list */ }
284 },
285 };
286
287 static QemuOptsList qemu_machine_opts = {
288 .name = "machine",
289 .implied_opt_name = "type",
290 .merge_lists = true,
291 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
292 .desc = {
293 /*
294 * no elements => accept any
295 * sanity checking will happen later
296 * when setting machine properties
297 */
298 { }
299 },
300 };
301
302 static QemuOptsList qemu_boot_opts = {
303 .name = "boot-opts",
304 .implied_opt_name = "order",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
307 .desc = {
308 {
309 .name = "order",
310 .type = QEMU_OPT_STRING,
311 }, {
312 .name = "once",
313 .type = QEMU_OPT_STRING,
314 }, {
315 .name = "menu",
316 .type = QEMU_OPT_BOOL,
317 }, {
318 .name = "splash",
319 .type = QEMU_OPT_STRING,
320 }, {
321 .name = "splash-time",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "reboot-timeout",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "strict",
328 .type = QEMU_OPT_BOOL,
329 },
330 { /*End of list */ }
331 },
332 };
333
334 static QemuOptsList qemu_add_fd_opts = {
335 .name = "add-fd",
336 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
337 .desc = {
338 {
339 .name = "fd",
340 .type = QEMU_OPT_NUMBER,
341 .help = "file descriptor of which a duplicate is added to fd set",
342 },{
343 .name = "set",
344 .type = QEMU_OPT_NUMBER,
345 .help = "ID of the fd set to add fd to",
346 },{
347 .name = "opaque",
348 .type = QEMU_OPT_STRING,
349 .help = "free-form string used to describe fd",
350 },
351 { /* end of list */ }
352 },
353 };
354
355 static QemuOptsList qemu_object_opts = {
356 .name = "object",
357 .implied_opt_name = "qom-type",
358 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
359 .desc = {
360 { }
361 },
362 };
363
364 static QemuOptsList qemu_tpmdev_opts = {
365 .name = "tpmdev",
366 .implied_opt_name = "type",
367 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
368 .desc = {
369 /* options are defined in the TPM backends */
370 { /* end of list */ }
371 },
372 };
373
374 static QemuOptsList qemu_realtime_opts = {
375 .name = "realtime",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
377 .desc = {
378 {
379 .name = "mlock",
380 .type = QEMU_OPT_BOOL,
381 },
382 { /* end of list */ }
383 },
384 };
385
386 static QemuOptsList qemu_msg_opts = {
387 .name = "msg",
388 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
389 .desc = {
390 {
391 .name = "timestamp",
392 .type = QEMU_OPT_BOOL,
393 },
394 { /* end of list */ }
395 },
396 };
397
398 static QemuOptsList qemu_name_opts = {
399 .name = "name",
400 .implied_opt_name = "guest",
401 .merge_lists = true,
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
403 .desc = {
404 {
405 .name = "guest",
406 .type = QEMU_OPT_STRING,
407 .help = "Sets the name of the guest.\n"
408 "This name will be displayed in the SDL window caption.\n"
409 "The name will also be used for the VNC server",
410 }, {
411 .name = "process",
412 .type = QEMU_OPT_STRING,
413 .help = "Sets the name of the QEMU process, as shown in top etc",
414 }, {
415 .name = "debug-threads",
416 .type = QEMU_OPT_BOOL,
417 .help = "When enabled, name the individual threads; defaults off.\n"
418 "NOTE: The thread names are for debugging and not a\n"
419 "stable API.",
420 },
421 { /* End of list */ }
422 },
423 };
424
425 static QemuOptsList qemu_mem_opts = {
426 .name = "memory",
427 .implied_opt_name = "size",
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
429 .merge_lists = true,
430 .desc = {
431 {
432 .name = "size",
433 .type = QEMU_OPT_SIZE,
434 },
435 {
436 .name = "slots",
437 .type = QEMU_OPT_NUMBER,
438 },
439 {
440 .name = "maxmem",
441 .type = QEMU_OPT_SIZE,
442 },
443 { /* end of list */ }
444 },
445 };
446
447 static QemuOptsList qemu_icount_opts = {
448 .name = "icount",
449 .implied_opt_name = "shift",
450 .merge_lists = true,
451 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
452 .desc = {
453 {
454 .name = "shift",
455 .type = QEMU_OPT_STRING,
456 }, {
457 .name = "align",
458 .type = QEMU_OPT_BOOL,
459 }, {
460 .name = "sleep",
461 .type = QEMU_OPT_BOOL,
462 }, {
463 .name = "rr",
464 .type = QEMU_OPT_STRING,
465 }, {
466 .name = "rrfile",
467 .type = QEMU_OPT_STRING,
468 }, {
469 .name = "rrsnapshot",
470 .type = QEMU_OPT_STRING,
471 },
472 { /* end of list */ }
473 },
474 };
475
476 static QemuOptsList qemu_semihosting_config_opts = {
477 .name = "semihosting-config",
478 .implied_opt_name = "enable",
479 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
480 .desc = {
481 {
482 .name = "enable",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "target",
486 .type = QEMU_OPT_STRING,
487 }, {
488 .name = "arg",
489 .type = QEMU_OPT_STRING,
490 },
491 { /* end of list */ }
492 },
493 };
494
495 static QemuOptsList qemu_fw_cfg_opts = {
496 .name = "fw_cfg",
497 .implied_opt_name = "name",
498 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
499 .desc = {
500 {
501 .name = "name",
502 .type = QEMU_OPT_STRING,
503 .help = "Sets the fw_cfg name of the blob to be inserted",
504 }, {
505 .name = "file",
506 .type = QEMU_OPT_STRING,
507 .help = "Sets the name of the file from which\n"
508 "the fw_cfg blob will be loaded",
509 }, {
510 .name = "string",
511 .type = QEMU_OPT_STRING,
512 .help = "Sets content of the blob to be inserted from a string",
513 },
514 { /* end of list */ }
515 },
516 };
517
518 /**
519 * Get machine options
520 *
521 * Returns: machine options (never null).
522 */
523 QemuOpts *qemu_get_machine_opts(void)
524 {
525 return qemu_find_opts_singleton("machine");
526 }
527
528 const char *qemu_get_vm_name(void)
529 {
530 return qemu_name;
531 }
532
533 static void res_free(void)
534 {
535 g_free(boot_splash_filedata);
536 boot_splash_filedata = NULL;
537 }
538
539 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
540 {
541 const char *driver = qemu_opt_get(opts, "driver");
542 int i;
543
544 if (!driver)
545 return 0;
546 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
547 if (strcmp(default_list[i].driver, driver) != 0)
548 continue;
549 *(default_list[i].flag) = 0;
550 }
551 return 0;
552 }
553
554 /***********************************************************/
555 /* QEMU state */
556
557 static RunState current_run_state = RUN_STATE_PRELAUNCH;
558
559 /* We use RUN_STATE__MAX but any invalid value will do */
560 static RunState vmstop_requested = RUN_STATE__MAX;
561 static QemuMutex vmstop_lock;
562
563 typedef struct {
564 RunState from;
565 RunState to;
566 } RunStateTransition;
567
568 static const RunStateTransition runstate_transitions_def[] = {
569 /* from -> to */
570 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
571 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
572 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
573
574 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
575 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
576 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
577 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
578 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
579 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
580 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
581 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
582 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
583 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
584 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
585 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
586
587 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
588 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
589 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
590
591 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
592 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
594
595 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
596 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
598 { RUN_STATE_PAUSED, RUN_STATE_COLO},
599
600 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
601 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
603
604 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
605 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
607
608 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
610 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
611 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
612
613 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
614 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
615
616 { RUN_STATE_COLO, RUN_STATE_RUNNING },
617
618 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
619 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
620 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
621 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
622 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
624 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
625 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
626 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
627 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
628 { RUN_STATE_RUNNING, RUN_STATE_COLO},
629
630 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
631
632 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
633 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
635
636 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
637 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
638 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
639 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
641 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
642
643 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
644 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
645 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
646 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
647
648 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
649 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
651
652 { RUN_STATE__MAX, RUN_STATE__MAX },
653 };
654
655 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
656
657 bool runstate_check(RunState state)
658 {
659 return current_run_state == state;
660 }
661
662 bool runstate_store(char *str, size_t size)
663 {
664 const char *state = RunState_lookup[current_run_state];
665 size_t len = strlen(state) + 1;
666
667 if (len > size) {
668 return false;
669 }
670 memcpy(str, state, len);
671 return true;
672 }
673
674 static void runstate_init(void)
675 {
676 const RunStateTransition *p;
677
678 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
679 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
680 runstate_valid_transitions[p->from][p->to] = true;
681 }
682
683 qemu_mutex_init(&vmstop_lock);
684 }
685
686 /* This function will abort() on invalid state transitions */
687 void runstate_set(RunState new_state)
688 {
689 assert(new_state < RUN_STATE__MAX);
690
691 if (current_run_state == new_state) {
692 return;
693 }
694
695 if (!runstate_valid_transitions[current_run_state][new_state]) {
696 error_report("invalid runstate transition: '%s' -> '%s'",
697 RunState_lookup[current_run_state],
698 RunState_lookup[new_state]);
699 abort();
700 }
701 trace_runstate_set(new_state);
702 current_run_state = new_state;
703 }
704
705 int runstate_is_running(void)
706 {
707 return runstate_check(RUN_STATE_RUNNING);
708 }
709
710 bool runstate_needs_reset(void)
711 {
712 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
713 runstate_check(RUN_STATE_SHUTDOWN);
714 }
715
716 StatusInfo *qmp_query_status(Error **errp)
717 {
718 StatusInfo *info = g_malloc0(sizeof(*info));
719
720 info->running = runstate_is_running();
721 info->singlestep = singlestep;
722 info->status = current_run_state;
723
724 return info;
725 }
726
727 static bool qemu_vmstop_requested(RunState *r)
728 {
729 qemu_mutex_lock(&vmstop_lock);
730 *r = vmstop_requested;
731 vmstop_requested = RUN_STATE__MAX;
732 qemu_mutex_unlock(&vmstop_lock);
733 return *r < RUN_STATE__MAX;
734 }
735
736 void qemu_system_vmstop_request_prepare(void)
737 {
738 qemu_mutex_lock(&vmstop_lock);
739 }
740
741 void qemu_system_vmstop_request(RunState state)
742 {
743 vmstop_requested = state;
744 qemu_mutex_unlock(&vmstop_lock);
745 qemu_notify_event();
746 }
747
748 void vm_start(void)
749 {
750 RunState requested;
751
752 qemu_vmstop_requested(&requested);
753 if (runstate_is_running() && requested == RUN_STATE__MAX) {
754 return;
755 }
756
757 /* Ensure that a STOP/RESUME pair of events is emitted if a
758 * vmstop request was pending. The BLOCK_IO_ERROR event, for
759 * example, according to documentation is always followed by
760 * the STOP event.
761 */
762 if (runstate_is_running()) {
763 qapi_event_send_stop(&error_abort);
764 } else {
765 replay_enable_events();
766 cpu_enable_ticks();
767 runstate_set(RUN_STATE_RUNNING);
768 vm_state_notify(1, RUN_STATE_RUNNING);
769 resume_all_vcpus();
770 }
771
772 qapi_event_send_resume(&error_abort);
773 }
774
775
776 /***********************************************************/
777 /* real time host monotonic timer */
778
779 static time_t qemu_time(void)
780 {
781 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
782 }
783
784 /***********************************************************/
785 /* host time/date access */
786 void qemu_get_timedate(struct tm *tm, int offset)
787 {
788 time_t ti = qemu_time();
789
790 ti += offset;
791 if (rtc_date_offset == -1) {
792 if (rtc_utc)
793 gmtime_r(&ti, tm);
794 else
795 localtime_r(&ti, tm);
796 } else {
797 ti -= rtc_date_offset;
798 gmtime_r(&ti, tm);
799 }
800 }
801
802 int qemu_timedate_diff(struct tm *tm)
803 {
804 time_t seconds;
805
806 if (rtc_date_offset == -1)
807 if (rtc_utc)
808 seconds = mktimegm(tm);
809 else {
810 struct tm tmp = *tm;
811 tmp.tm_isdst = -1; /* use timezone to figure it out */
812 seconds = mktime(&tmp);
813 }
814 else
815 seconds = mktimegm(tm) + rtc_date_offset;
816
817 return seconds - qemu_time();
818 }
819
820 static void configure_rtc_date_offset(const char *startdate, int legacy)
821 {
822 time_t rtc_start_date;
823 struct tm tm;
824
825 if (!strcmp(startdate, "now") && legacy) {
826 rtc_date_offset = -1;
827 } else {
828 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
829 &tm.tm_year,
830 &tm.tm_mon,
831 &tm.tm_mday,
832 &tm.tm_hour,
833 &tm.tm_min,
834 &tm.tm_sec) == 6) {
835 /* OK */
836 } else if (sscanf(startdate, "%d-%d-%d",
837 &tm.tm_year,
838 &tm.tm_mon,
839 &tm.tm_mday) == 3) {
840 tm.tm_hour = 0;
841 tm.tm_min = 0;
842 tm.tm_sec = 0;
843 } else {
844 goto date_fail;
845 }
846 tm.tm_year -= 1900;
847 tm.tm_mon--;
848 rtc_start_date = mktimegm(&tm);
849 if (rtc_start_date == -1) {
850 date_fail:
851 error_report("invalid date format");
852 error_printf("valid formats: "
853 "'2006-06-17T16:01:21' or '2006-06-17'\n");
854 exit(1);
855 }
856 rtc_date_offset = qemu_time() - rtc_start_date;
857 }
858 }
859
860 static void configure_rtc(QemuOpts *opts)
861 {
862 const char *value;
863
864 value = qemu_opt_get(opts, "base");
865 if (value) {
866 if (!strcmp(value, "utc")) {
867 rtc_utc = 1;
868 } else if (!strcmp(value, "localtime")) {
869 Error *blocker = NULL;
870 rtc_utc = 0;
871 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
872 "-rtc base=localtime");
873 replay_add_blocker(blocker);
874 } else {
875 configure_rtc_date_offset(value, 0);
876 }
877 }
878 value = qemu_opt_get(opts, "clock");
879 if (value) {
880 if (!strcmp(value, "host")) {
881 rtc_clock = QEMU_CLOCK_HOST;
882 } else if (!strcmp(value, "rt")) {
883 rtc_clock = QEMU_CLOCK_REALTIME;
884 } else if (!strcmp(value, "vm")) {
885 rtc_clock = QEMU_CLOCK_VIRTUAL;
886 } else {
887 error_report("invalid option value '%s'", value);
888 exit(1);
889 }
890 }
891 value = qemu_opt_get(opts, "driftfix");
892 if (value) {
893 if (!strcmp(value, "slew")) {
894 static GlobalProperty slew_lost_ticks = {
895 .driver = "mc146818rtc",
896 .property = "lost_tick_policy",
897 .value = "slew",
898 };
899
900 qdev_prop_register_global(&slew_lost_ticks);
901 } else if (!strcmp(value, "none")) {
902 /* discard is default */
903 } else {
904 error_report("invalid option value '%s'", value);
905 exit(1);
906 }
907 }
908 }
909
910 /***********************************************************/
911 /* Bluetooth support */
912 static int nb_hcis;
913 static int cur_hci;
914 static struct HCIInfo *hci_table[MAX_NICS];
915
916 struct HCIInfo *qemu_next_hci(void)
917 {
918 if (cur_hci == nb_hcis)
919 return &null_hci;
920
921 return hci_table[cur_hci++];
922 }
923
924 static int bt_hci_parse(const char *str)
925 {
926 struct HCIInfo *hci;
927 bdaddr_t bdaddr;
928
929 if (nb_hcis >= MAX_NICS) {
930 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
931 return -1;
932 }
933
934 hci = hci_init(str);
935 if (!hci)
936 return -1;
937
938 bdaddr.b[0] = 0x52;
939 bdaddr.b[1] = 0x54;
940 bdaddr.b[2] = 0x00;
941 bdaddr.b[3] = 0x12;
942 bdaddr.b[4] = 0x34;
943 bdaddr.b[5] = 0x56 + nb_hcis;
944 hci->bdaddr_set(hci, bdaddr.b);
945
946 hci_table[nb_hcis++] = hci;
947
948 return 0;
949 }
950
951 static void bt_vhci_add(int vlan_id)
952 {
953 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 error_report("warning: adding a VHCI to an empty scatternet %i",
957 vlan_id);
958
959 bt_vhci_init(bt_new_hci(vlan));
960 }
961
962 static struct bt_device_s *bt_device_add(const char *opt)
963 {
964 struct bt_scatternet_s *vlan;
965 int vlan_id = 0;
966 char *endp = strstr(opt, ",vlan=");
967 int len = (endp ? endp - opt : strlen(opt)) + 1;
968 char devname[10];
969
970 pstrcpy(devname, MIN(sizeof(devname), len), opt);
971
972 if (endp) {
973 vlan_id = strtol(endp + 6, &endp, 0);
974 if (*endp) {
975 error_report("unrecognised bluetooth vlan Id");
976 return 0;
977 }
978 }
979
980 vlan = qemu_find_bt_vlan(vlan_id);
981
982 if (!vlan->slave)
983 error_report("warning: adding a slave device to an empty scatternet %i",
984 vlan_id);
985
986 if (!strcmp(devname, "keyboard"))
987 return bt_keyboard_init(vlan);
988
989 error_report("unsupported bluetooth device '%s'", devname);
990 return 0;
991 }
992
993 static int bt_parse(const char *opt)
994 {
995 const char *endp, *p;
996 int vlan;
997
998 if (strstart(opt, "hci", &endp)) {
999 if (!*endp || *endp == ',') {
1000 if (*endp)
1001 if (!strstart(endp, ",vlan=", 0))
1002 opt = endp + 1;
1003
1004 return bt_hci_parse(opt);
1005 }
1006 } else if (strstart(opt, "vhci", &endp)) {
1007 if (!*endp || *endp == ',') {
1008 if (*endp) {
1009 if (strstart(endp, ",vlan=", &p)) {
1010 vlan = strtol(p, (char **) &endp, 0);
1011 if (*endp) {
1012 error_report("bad scatternet '%s'", p);
1013 return 1;
1014 }
1015 } else {
1016 error_report("bad parameter '%s'", endp + 1);
1017 return 1;
1018 }
1019 } else
1020 vlan = 0;
1021
1022 bt_vhci_add(vlan);
1023 return 0;
1024 }
1025 } else if (strstart(opt, "device:", &endp))
1026 return !bt_device_add(endp);
1027
1028 error_report("bad bluetooth parameter '%s'", opt);
1029 return 1;
1030 }
1031
1032 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1033 {
1034 /* FIXME: change this to true for 1.3 */
1035 if (qemu_opt_get_bool(opts, "enable", false)) {
1036 #ifdef CONFIG_SECCOMP
1037 if (seccomp_start() < 0) {
1038 error_report("failed to install seccomp syscall filter "
1039 "in the kernel");
1040 return -1;
1041 }
1042 #else
1043 error_report("seccomp support is disabled");
1044 return -1;
1045 #endif
1046 }
1047
1048 return 0;
1049 }
1050
1051 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1052 {
1053 const char *proc_name;
1054
1055 if (qemu_opt_get(opts, "debug-threads")) {
1056 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1057 }
1058 qemu_name = qemu_opt_get(opts, "guest");
1059
1060 proc_name = qemu_opt_get(opts, "process");
1061 if (proc_name) {
1062 os_set_proc_name(proc_name);
1063 }
1064
1065 return 0;
1066 }
1067
1068 bool defaults_enabled(void)
1069 {
1070 return has_defaults;
1071 }
1072
1073 #ifndef _WIN32
1074 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1075 {
1076 int fd, dupfd, flags;
1077 int64_t fdset_id;
1078 const char *fd_opaque = NULL;
1079 AddfdInfo *fdinfo;
1080
1081 fd = qemu_opt_get_number(opts, "fd", -1);
1082 fdset_id = qemu_opt_get_number(opts, "set", -1);
1083 fd_opaque = qemu_opt_get(opts, "opaque");
1084
1085 if (fd < 0) {
1086 error_report("fd option is required and must be non-negative");
1087 return -1;
1088 }
1089
1090 if (fd <= STDERR_FILENO) {
1091 error_report("fd cannot be a standard I/O stream");
1092 return -1;
1093 }
1094
1095 /*
1096 * All fds inherited across exec() necessarily have FD_CLOEXEC
1097 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1098 */
1099 flags = fcntl(fd, F_GETFD);
1100 if (flags == -1 || (flags & FD_CLOEXEC)) {
1101 error_report("fd is not valid or already in use");
1102 return -1;
1103 }
1104
1105 if (fdset_id < 0) {
1106 error_report("set option is required and must be non-negative");
1107 return -1;
1108 }
1109
1110 #ifdef F_DUPFD_CLOEXEC
1111 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1112 #else
1113 dupfd = dup(fd);
1114 if (dupfd != -1) {
1115 qemu_set_cloexec(dupfd);
1116 }
1117 #endif
1118 if (dupfd == -1) {
1119 error_report("error duplicating fd: %s", strerror(errno));
1120 return -1;
1121 }
1122
1123 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1124 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1125 &error_abort);
1126 g_free(fdinfo);
1127
1128 return 0;
1129 }
1130
1131 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1132 {
1133 int fd;
1134
1135 fd = qemu_opt_get_number(opts, "fd", -1);
1136 close(fd);
1137
1138 return 0;
1139 }
1140 #endif
1141
1142 /***********************************************************/
1143 /* QEMU Block devices */
1144
1145 #define HD_OPTS "media=disk"
1146 #define CDROM_OPTS "media=cdrom"
1147 #define FD_OPTS ""
1148 #define PFLASH_OPTS ""
1149 #define MTD_OPTS ""
1150 #define SD_OPTS ""
1151
1152 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1153 {
1154 BlockInterfaceType *block_default_type = opaque;
1155
1156 return drive_new(opts, *block_default_type) == NULL;
1157 }
1158
1159 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1160 {
1161 if (qemu_opt_get(opts, "snapshot") == NULL) {
1162 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1163 }
1164 return 0;
1165 }
1166
1167 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1168 int index, const char *optstr)
1169 {
1170 QemuOpts *opts;
1171 DriveInfo *dinfo;
1172
1173 if (!enable || drive_get_by_index(type, index)) {
1174 return;
1175 }
1176
1177 opts = drive_add(type, index, NULL, optstr);
1178 if (snapshot) {
1179 drive_enable_snapshot(NULL, opts, NULL);
1180 }
1181
1182 dinfo = drive_new(opts, type);
1183 if (!dinfo) {
1184 exit(1);
1185 }
1186 dinfo->is_default = true;
1187
1188 }
1189
1190 static QemuOptsList qemu_smp_opts = {
1191 .name = "smp-opts",
1192 .implied_opt_name = "cpus",
1193 .merge_lists = true,
1194 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1195 .desc = {
1196 {
1197 .name = "cpus",
1198 .type = QEMU_OPT_NUMBER,
1199 }, {
1200 .name = "sockets",
1201 .type = QEMU_OPT_NUMBER,
1202 }, {
1203 .name = "cores",
1204 .type = QEMU_OPT_NUMBER,
1205 }, {
1206 .name = "threads",
1207 .type = QEMU_OPT_NUMBER,
1208 }, {
1209 .name = "maxcpus",
1210 .type = QEMU_OPT_NUMBER,
1211 },
1212 { /*End of list */ }
1213 },
1214 };
1215
1216 static void smp_parse(QemuOpts *opts)
1217 {
1218 if (opts) {
1219 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1220 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1221 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1222 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1223
1224 /* compute missing values, prefer sockets over cores over threads */
1225 if (cpus == 0 || sockets == 0) {
1226 sockets = sockets > 0 ? sockets : 1;
1227 cores = cores > 0 ? cores : 1;
1228 threads = threads > 0 ? threads : 1;
1229 if (cpus == 0) {
1230 cpus = cores * threads * sockets;
1231 }
1232 } else if (cores == 0) {
1233 threads = threads > 0 ? threads : 1;
1234 cores = cpus / (sockets * threads);
1235 cores = cores > 0 ? cores : 1;
1236 } else if (threads == 0) {
1237 threads = cpus / (cores * sockets);
1238 threads = threads > 0 ? threads : 1;
1239 } else if (sockets * cores * threads < cpus) {
1240 error_report("cpu topology: "
1241 "sockets (%u) * cores (%u) * threads (%u) < "
1242 "smp_cpus (%u)",
1243 sockets, cores, threads, cpus);
1244 exit(1);
1245 }
1246
1247 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1248
1249 if (max_cpus < cpus) {
1250 error_report("maxcpus must be equal to or greater than smp");
1251 exit(1);
1252 }
1253
1254 if (sockets * cores * threads > max_cpus) {
1255 error_report("cpu topology: "
1256 "sockets (%u) * cores (%u) * threads (%u) > "
1257 "maxcpus (%u)",
1258 sockets, cores, threads, max_cpus);
1259 exit(1);
1260 }
1261
1262 smp_cpus = cpus;
1263 smp_cores = cores;
1264 smp_threads = threads;
1265 }
1266
1267 if (smp_cpus > 1) {
1268 Error *blocker = NULL;
1269 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1270 replay_add_blocker(blocker);
1271 }
1272 }
1273
1274 static void realtime_init(void)
1275 {
1276 if (enable_mlock) {
1277 if (os_mlock() < 0) {
1278 error_report("locking memory failed");
1279 exit(1);
1280 }
1281 }
1282 }
1283
1284
1285 static void configure_msg(QemuOpts *opts)
1286 {
1287 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1288 }
1289
1290 /***********************************************************/
1291 /* Semihosting */
1292
1293 typedef struct SemihostingConfig {
1294 bool enabled;
1295 SemihostingTarget target;
1296 const char **argv;
1297 int argc;
1298 const char *cmdline; /* concatenated argv */
1299 } SemihostingConfig;
1300
1301 static SemihostingConfig semihosting;
1302
1303 bool semihosting_enabled(void)
1304 {
1305 return semihosting.enabled;
1306 }
1307
1308 SemihostingTarget semihosting_get_target(void)
1309 {
1310 return semihosting.target;
1311 }
1312
1313 const char *semihosting_get_arg(int i)
1314 {
1315 if (i >= semihosting.argc) {
1316 return NULL;
1317 }
1318 return semihosting.argv[i];
1319 }
1320
1321 int semihosting_get_argc(void)
1322 {
1323 return semihosting.argc;
1324 }
1325
1326 const char *semihosting_get_cmdline(void)
1327 {
1328 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1329 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1330 }
1331 return semihosting.cmdline;
1332 }
1333
1334 static int add_semihosting_arg(void *opaque,
1335 const char *name, const char *val,
1336 Error **errp)
1337 {
1338 SemihostingConfig *s = opaque;
1339 if (strcmp(name, "arg") == 0) {
1340 s->argc++;
1341 /* one extra element as g_strjoinv() expects NULL-terminated array */
1342 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1343 s->argv[s->argc - 1] = val;
1344 s->argv[s->argc] = NULL;
1345 }
1346 return 0;
1347 }
1348
1349 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1350 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1351 {
1352 char *cmd_token;
1353
1354 /* argv[0] */
1355 add_semihosting_arg(&semihosting, "arg", file, NULL);
1356
1357 /* split -append and initialize argv[1..n] */
1358 cmd_token = strtok(g_strdup(cmd), " ");
1359 while (cmd_token) {
1360 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1361 cmd_token = strtok(NULL, " ");
1362 }
1363 }
1364
1365 /* Now we still need this for compatibility with XEN. */
1366 bool has_igd_gfx_passthru;
1367 static void igd_gfx_passthru(void)
1368 {
1369 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1370 }
1371
1372 /***********************************************************/
1373 /* USB devices */
1374
1375 static int usb_device_add(const char *devname)
1376 {
1377 USBDevice *dev = NULL;
1378 #ifndef CONFIG_LINUX
1379 const char *p;
1380 #endif
1381
1382 if (!machine_usb(current_machine)) {
1383 return -1;
1384 }
1385
1386 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1387 dev = usbdevice_create(devname);
1388 if (dev)
1389 goto done;
1390
1391 /* the other ones */
1392 #ifndef CONFIG_LINUX
1393 /* only the linux version is qdev-ified, usb-bsd still needs this */
1394 if (strstart(devname, "host:", &p)) {
1395 dev = usb_host_device_open(usb_bus_find(-1), p);
1396 }
1397 #endif
1398 if (!dev)
1399 return -1;
1400
1401 done:
1402 return 0;
1403 }
1404
1405 static int usb_device_del(const char *devname)
1406 {
1407 int bus_num, addr;
1408 const char *p;
1409
1410 if (strstart(devname, "host:", &p)) {
1411 return -1;
1412 }
1413
1414 if (!machine_usb(current_machine)) {
1415 return -1;
1416 }
1417
1418 p = strchr(devname, '.');
1419 if (!p)
1420 return -1;
1421 bus_num = strtoul(devname, NULL, 0);
1422 addr = strtoul(p + 1, NULL, 0);
1423
1424 return usb_device_delete_addr(bus_num, addr);
1425 }
1426
1427 static int usb_parse(const char *cmdline)
1428 {
1429 int r;
1430 r = usb_device_add(cmdline);
1431 if (r < 0) {
1432 error_report("could not add USB device '%s'", cmdline);
1433 }
1434 return r;
1435 }
1436
1437 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1438 {
1439 const char *devname = qdict_get_str(qdict, "devname");
1440 if (usb_device_add(devname) < 0) {
1441 error_report("could not add USB device '%s'", devname);
1442 }
1443 }
1444
1445 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1446 {
1447 const char *devname = qdict_get_str(qdict, "devname");
1448 if (usb_device_del(devname) < 0) {
1449 error_report("could not delete USB device '%s'", devname);
1450 }
1451 }
1452
1453 /***********************************************************/
1454 /* machine registration */
1455
1456 MachineState *current_machine;
1457
1458 static MachineClass *find_machine(const char *name)
1459 {
1460 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1461 MachineClass *mc = NULL;
1462
1463 for (el = machines; el; el = el->next) {
1464 MachineClass *temp = el->data;
1465
1466 if (!strcmp(temp->name, name)) {
1467 mc = temp;
1468 break;
1469 }
1470 if (temp->alias &&
1471 !strcmp(temp->alias, name)) {
1472 mc = temp;
1473 break;
1474 }
1475 }
1476
1477 g_slist_free(machines);
1478 return mc;
1479 }
1480
1481 MachineClass *find_default_machine(void)
1482 {
1483 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1484 MachineClass *mc = NULL;
1485
1486 for (el = machines; el; el = el->next) {
1487 MachineClass *temp = el->data;
1488
1489 if (temp->is_default) {
1490 mc = temp;
1491 break;
1492 }
1493 }
1494
1495 g_slist_free(machines);
1496 return mc;
1497 }
1498
1499 MachineInfoList *qmp_query_machines(Error **errp)
1500 {
1501 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1502 MachineInfoList *mach_list = NULL;
1503
1504 for (el = machines; el; el = el->next) {
1505 MachineClass *mc = el->data;
1506 MachineInfoList *entry;
1507 MachineInfo *info;
1508
1509 info = g_malloc0(sizeof(*info));
1510 if (mc->is_default) {
1511 info->has_is_default = true;
1512 info->is_default = true;
1513 }
1514
1515 if (mc->alias) {
1516 info->has_alias = true;
1517 info->alias = g_strdup(mc->alias);
1518 }
1519
1520 info->name = g_strdup(mc->name);
1521 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1522 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1523
1524 entry = g_malloc0(sizeof(*entry));
1525 entry->value = info;
1526 entry->next = mach_list;
1527 mach_list = entry;
1528 }
1529
1530 g_slist_free(machines);
1531 return mach_list;
1532 }
1533
1534 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1535 {
1536 ObjectProperty *prop;
1537 ObjectPropertyIterator iter;
1538
1539 if (!qemu_opt_has_help_opt(opts)) {
1540 return 0;
1541 }
1542
1543 object_property_iter_init(&iter, OBJECT(machine));
1544 while ((prop = object_property_iter_next(&iter))) {
1545 if (!prop->set) {
1546 continue;
1547 }
1548
1549 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1550 prop->name, prop->type);
1551 if (prop->description) {
1552 error_printf(" (%s)\n", prop->description);
1553 } else {
1554 error_printf("\n");
1555 }
1556 }
1557
1558 return 1;
1559 }
1560
1561 /***********************************************************/
1562 /* main execution loop */
1563
1564 struct vm_change_state_entry {
1565 VMChangeStateHandler *cb;
1566 void *opaque;
1567 QLIST_ENTRY (vm_change_state_entry) entries;
1568 };
1569
1570 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1571
1572 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1573 void *opaque)
1574 {
1575 VMChangeStateEntry *e;
1576
1577 e = g_malloc0(sizeof (*e));
1578
1579 e->cb = cb;
1580 e->opaque = opaque;
1581 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1582 return e;
1583 }
1584
1585 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1586 {
1587 QLIST_REMOVE (e, entries);
1588 g_free (e);
1589 }
1590
1591 void vm_state_notify(int running, RunState state)
1592 {
1593 VMChangeStateEntry *e, *next;
1594
1595 trace_vm_state_notify(running, state);
1596
1597 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1598 e->cb(e->opaque, running, state);
1599 }
1600 }
1601
1602 static int reset_requested;
1603 static int shutdown_requested, shutdown_signal = -1;
1604 static pid_t shutdown_pid;
1605 static int powerdown_requested;
1606 static int debug_requested;
1607 static int suspend_requested;
1608 static WakeupReason wakeup_reason;
1609 static NotifierList powerdown_notifiers =
1610 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1611 static NotifierList suspend_notifiers =
1612 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1613 static NotifierList wakeup_notifiers =
1614 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1615 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1616
1617 int qemu_shutdown_requested_get(void)
1618 {
1619 return shutdown_requested;
1620 }
1621
1622 int qemu_reset_requested_get(void)
1623 {
1624 return reset_requested;
1625 }
1626
1627 static int qemu_shutdown_requested(void)
1628 {
1629 return atomic_xchg(&shutdown_requested, 0);
1630 }
1631
1632 static void qemu_kill_report(void)
1633 {
1634 if (!qtest_driver() && shutdown_signal != -1) {
1635 if (shutdown_pid == 0) {
1636 /* This happens for eg ^C at the terminal, so it's worth
1637 * avoiding printing an odd message in that case.
1638 */
1639 error_report("terminating on signal %d", shutdown_signal);
1640 } else {
1641 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1642
1643 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1644 shutdown_signal, shutdown_pid,
1645 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1646 g_free(shutdown_cmd);
1647 }
1648 shutdown_signal = -1;
1649 }
1650 }
1651
1652 static int qemu_reset_requested(void)
1653 {
1654 int r = reset_requested;
1655 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1656 reset_requested = 0;
1657 return r;
1658 }
1659 return false;
1660 }
1661
1662 static int qemu_suspend_requested(void)
1663 {
1664 int r = suspend_requested;
1665 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1666 suspend_requested = 0;
1667 return r;
1668 }
1669 return false;
1670 }
1671
1672 static WakeupReason qemu_wakeup_requested(void)
1673 {
1674 return wakeup_reason;
1675 }
1676
1677 static int qemu_powerdown_requested(void)
1678 {
1679 int r = powerdown_requested;
1680 powerdown_requested = 0;
1681 return r;
1682 }
1683
1684 static int qemu_debug_requested(void)
1685 {
1686 int r = debug_requested;
1687 debug_requested = 0;
1688 return r;
1689 }
1690
1691 void qemu_system_reset(bool report)
1692 {
1693 MachineClass *mc;
1694
1695 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1696
1697 cpu_synchronize_all_states();
1698
1699 if (mc && mc->reset) {
1700 mc->reset();
1701 } else {
1702 qemu_devices_reset();
1703 }
1704 if (report) {
1705 qapi_event_send_reset(&error_abort);
1706 }
1707 cpu_synchronize_all_post_reset();
1708 }
1709
1710 void qemu_system_guest_panicked(void)
1711 {
1712 if (current_cpu) {
1713 current_cpu->crash_occurred = true;
1714 }
1715 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1716 vm_stop(RUN_STATE_GUEST_PANICKED);
1717 if (!no_shutdown) {
1718 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1719 &error_abort);
1720 qemu_system_shutdown_request();
1721 }
1722 }
1723
1724 void qemu_system_reset_request(void)
1725 {
1726 if (no_reboot) {
1727 shutdown_requested = 1;
1728 } else {
1729 reset_requested = 1;
1730 }
1731 cpu_stop_current();
1732 qemu_notify_event();
1733 }
1734
1735 static void qemu_system_suspend(void)
1736 {
1737 pause_all_vcpus();
1738 notifier_list_notify(&suspend_notifiers, NULL);
1739 runstate_set(RUN_STATE_SUSPENDED);
1740 qapi_event_send_suspend(&error_abort);
1741 }
1742
1743 void qemu_system_suspend_request(void)
1744 {
1745 if (runstate_check(RUN_STATE_SUSPENDED)) {
1746 return;
1747 }
1748 suspend_requested = 1;
1749 cpu_stop_current();
1750 qemu_notify_event();
1751 }
1752
1753 void qemu_register_suspend_notifier(Notifier *notifier)
1754 {
1755 notifier_list_add(&suspend_notifiers, notifier);
1756 }
1757
1758 void qemu_system_wakeup_request(WakeupReason reason)
1759 {
1760 trace_system_wakeup_request(reason);
1761
1762 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1763 return;
1764 }
1765 if (!(wakeup_reason_mask & (1 << reason))) {
1766 return;
1767 }
1768 runstate_set(RUN_STATE_RUNNING);
1769 wakeup_reason = reason;
1770 qemu_notify_event();
1771 }
1772
1773 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1774 {
1775 if (enabled) {
1776 wakeup_reason_mask |= (1 << reason);
1777 } else {
1778 wakeup_reason_mask &= ~(1 << reason);
1779 }
1780 }
1781
1782 void qemu_register_wakeup_notifier(Notifier *notifier)
1783 {
1784 notifier_list_add(&wakeup_notifiers, notifier);
1785 }
1786
1787 void qemu_system_killed(int signal, pid_t pid)
1788 {
1789 shutdown_signal = signal;
1790 shutdown_pid = pid;
1791 no_shutdown = 0;
1792
1793 /* Cannot call qemu_system_shutdown_request directly because
1794 * we are in a signal handler.
1795 */
1796 shutdown_requested = 1;
1797 qemu_notify_event();
1798 }
1799
1800 void qemu_system_shutdown_request(void)
1801 {
1802 trace_qemu_system_shutdown_request();
1803 replay_shutdown_request();
1804 shutdown_requested = 1;
1805 qemu_notify_event();
1806 }
1807
1808 static void qemu_system_powerdown(void)
1809 {
1810 qapi_event_send_powerdown(&error_abort);
1811 notifier_list_notify(&powerdown_notifiers, NULL);
1812 }
1813
1814 void qemu_system_powerdown_request(void)
1815 {
1816 trace_qemu_system_powerdown_request();
1817 powerdown_requested = 1;
1818 qemu_notify_event();
1819 }
1820
1821 void qemu_register_powerdown_notifier(Notifier *notifier)
1822 {
1823 notifier_list_add(&powerdown_notifiers, notifier);
1824 }
1825
1826 void qemu_system_debug_request(void)
1827 {
1828 debug_requested = 1;
1829 qemu_notify_event();
1830 }
1831
1832 static bool main_loop_should_exit(void)
1833 {
1834 RunState r;
1835 if (qemu_debug_requested()) {
1836 vm_stop(RUN_STATE_DEBUG);
1837 }
1838 if (qemu_suspend_requested()) {
1839 qemu_system_suspend();
1840 }
1841 if (qemu_shutdown_requested()) {
1842 qemu_kill_report();
1843 qapi_event_send_shutdown(&error_abort);
1844 if (no_shutdown) {
1845 vm_stop(RUN_STATE_SHUTDOWN);
1846 } else {
1847 return true;
1848 }
1849 }
1850 if (qemu_reset_requested()) {
1851 pause_all_vcpus();
1852 qemu_system_reset(VMRESET_REPORT);
1853 resume_all_vcpus();
1854 if (!runstate_check(RUN_STATE_RUNNING) &&
1855 !runstate_check(RUN_STATE_INMIGRATE)) {
1856 runstate_set(RUN_STATE_PRELAUNCH);
1857 }
1858 }
1859 if (qemu_wakeup_requested()) {
1860 pause_all_vcpus();
1861 qemu_system_reset(VMRESET_SILENT);
1862 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1863 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1864 resume_all_vcpus();
1865 qapi_event_send_wakeup(&error_abort);
1866 }
1867 if (qemu_powerdown_requested()) {
1868 qemu_system_powerdown();
1869 }
1870 if (qemu_vmstop_requested(&r)) {
1871 vm_stop(r);
1872 }
1873 return false;
1874 }
1875
1876 static void main_loop(void)
1877 {
1878 bool nonblocking;
1879 int last_io = 0;
1880 #ifdef CONFIG_PROFILER
1881 int64_t ti;
1882 #endif
1883 do {
1884 nonblocking = tcg_enabled() && last_io > 0;
1885 #ifdef CONFIG_PROFILER
1886 ti = profile_getclock();
1887 #endif
1888 last_io = main_loop_wait(nonblocking);
1889 #ifdef CONFIG_PROFILER
1890 dev_time += profile_getclock() - ti;
1891 #endif
1892 } while (!main_loop_should_exit());
1893 }
1894
1895 static void version(void)
1896 {
1897 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1898 QEMU_COPYRIGHT "\n");
1899 }
1900
1901 static void help(int exitcode)
1902 {
1903 version();
1904 printf("usage: %s [options] [disk_image]\n\n"
1905 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1906 error_get_progname());
1907
1908 #define QEMU_OPTIONS_GENERATE_HELP
1909 #include "qemu-options-wrapper.h"
1910
1911 printf("\nDuring emulation, the following keys are useful:\n"
1912 "ctrl-alt-f toggle full screen\n"
1913 "ctrl-alt-n switch to virtual console 'n'\n"
1914 "ctrl-alt toggle mouse and keyboard grab\n"
1915 "\n"
1916 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1917
1918 exit(exitcode);
1919 }
1920
1921 #define HAS_ARG 0x0001
1922
1923 typedef struct QEMUOption {
1924 const char *name;
1925 int flags;
1926 int index;
1927 uint32_t arch_mask;
1928 } QEMUOption;
1929
1930 static const QEMUOption qemu_options[] = {
1931 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1932 #define QEMU_OPTIONS_GENERATE_OPTIONS
1933 #include "qemu-options-wrapper.h"
1934 { NULL },
1935 };
1936
1937 typedef struct VGAInterfaceInfo {
1938 const char *opt_name; /* option name */
1939 const char *name; /* human-readable name */
1940 /* Class names indicating that support is available.
1941 * If no class is specified, the interface is always available */
1942 const char *class_names[2];
1943 } VGAInterfaceInfo;
1944
1945 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1946 [VGA_NONE] = {
1947 .opt_name = "none",
1948 },
1949 [VGA_STD] = {
1950 .opt_name = "std",
1951 .name = "standard VGA",
1952 .class_names = { "VGA", "isa-vga" },
1953 },
1954 [VGA_CIRRUS] = {
1955 .opt_name = "cirrus",
1956 .name = "Cirrus VGA",
1957 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1958 },
1959 [VGA_VMWARE] = {
1960 .opt_name = "vmware",
1961 .name = "VMWare SVGA",
1962 .class_names = { "vmware-svga" },
1963 },
1964 [VGA_VIRTIO] = {
1965 .opt_name = "virtio",
1966 .name = "Virtio VGA",
1967 .class_names = { "virtio-vga" },
1968 },
1969 [VGA_QXL] = {
1970 .opt_name = "qxl",
1971 .name = "QXL VGA",
1972 .class_names = { "qxl-vga" },
1973 },
1974 [VGA_TCX] = {
1975 .opt_name = "tcx",
1976 .name = "TCX framebuffer",
1977 .class_names = { "SUNW,tcx" },
1978 },
1979 [VGA_CG3] = {
1980 .opt_name = "cg3",
1981 .name = "CG3 framebuffer",
1982 .class_names = { "cgthree" },
1983 },
1984 [VGA_XENFB] = {
1985 .opt_name = "xenfb",
1986 },
1987 };
1988
1989 static bool vga_interface_available(VGAInterfaceType t)
1990 {
1991 VGAInterfaceInfo *ti = &vga_interfaces[t];
1992
1993 assert(t < VGA_TYPE_MAX);
1994 return !ti->class_names[0] ||
1995 object_class_by_name(ti->class_names[0]) ||
1996 object_class_by_name(ti->class_names[1]);
1997 }
1998
1999 static void select_vgahw(const char *p)
2000 {
2001 const char *opts;
2002 int t;
2003
2004 assert(vga_interface_type == VGA_NONE);
2005 for (t = 0; t < VGA_TYPE_MAX; t++) {
2006 VGAInterfaceInfo *ti = &vga_interfaces[t];
2007 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2008 if (!vga_interface_available(t)) {
2009 error_report("%s not available", ti->name);
2010 exit(1);
2011 }
2012 vga_interface_type = t;
2013 break;
2014 }
2015 }
2016 if (t == VGA_TYPE_MAX) {
2017 invalid_vga:
2018 error_report("unknown vga type: %s", p);
2019 exit(1);
2020 }
2021 while (*opts) {
2022 const char *nextopt;
2023
2024 if (strstart(opts, ",retrace=", &nextopt)) {
2025 opts = nextopt;
2026 if (strstart(opts, "dumb", &nextopt))
2027 vga_retrace_method = VGA_RETRACE_DUMB;
2028 else if (strstart(opts, "precise", &nextopt))
2029 vga_retrace_method = VGA_RETRACE_PRECISE;
2030 else goto invalid_vga;
2031 } else goto invalid_vga;
2032 opts = nextopt;
2033 }
2034 }
2035
2036 typedef enum DisplayType {
2037 DT_DEFAULT,
2038 DT_CURSES,
2039 DT_SDL,
2040 DT_COCOA,
2041 DT_GTK,
2042 DT_NONE,
2043 } DisplayType;
2044
2045 static DisplayType select_display(const char *p)
2046 {
2047 const char *opts;
2048 DisplayType display = DT_DEFAULT;
2049
2050 if (strstart(p, "sdl", &opts)) {
2051 #ifdef CONFIG_SDL
2052 display = DT_SDL;
2053 while (*opts) {
2054 const char *nextopt;
2055
2056 if (strstart(opts, ",frame=", &nextopt)) {
2057 opts = nextopt;
2058 if (strstart(opts, "on", &nextopt)) {
2059 no_frame = 0;
2060 } else if (strstart(opts, "off", &nextopt)) {
2061 no_frame = 1;
2062 } else {
2063 goto invalid_sdl_args;
2064 }
2065 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2066 opts = nextopt;
2067 if (strstart(opts, "on", &nextopt)) {
2068 alt_grab = 1;
2069 } else if (strstart(opts, "off", &nextopt)) {
2070 alt_grab = 0;
2071 } else {
2072 goto invalid_sdl_args;
2073 }
2074 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2075 opts = nextopt;
2076 if (strstart(opts, "on", &nextopt)) {
2077 ctrl_grab = 1;
2078 } else if (strstart(opts, "off", &nextopt)) {
2079 ctrl_grab = 0;
2080 } else {
2081 goto invalid_sdl_args;
2082 }
2083 } else if (strstart(opts, ",window_close=", &nextopt)) {
2084 opts = nextopt;
2085 if (strstart(opts, "on", &nextopt)) {
2086 no_quit = 0;
2087 } else if (strstart(opts, "off", &nextopt)) {
2088 no_quit = 1;
2089 } else {
2090 goto invalid_sdl_args;
2091 }
2092 } else if (strstart(opts, ",gl=", &nextopt)) {
2093 opts = nextopt;
2094 if (strstart(opts, "on", &nextopt)) {
2095 request_opengl = 1;
2096 } else if (strstart(opts, "off", &nextopt)) {
2097 request_opengl = 0;
2098 } else {
2099 goto invalid_sdl_args;
2100 }
2101 } else {
2102 invalid_sdl_args:
2103 error_report("invalid SDL option string");
2104 exit(1);
2105 }
2106 opts = nextopt;
2107 }
2108 #else
2109 error_report("SDL support is disabled");
2110 exit(1);
2111 #endif
2112 } else if (strstart(p, "vnc", &opts)) {
2113 if (*opts == '=') {
2114 vnc_parse(opts + 1, &error_fatal);
2115 } else {
2116 error_report("VNC requires a display argument vnc=<display>");
2117 exit(1);
2118 }
2119 } else if (strstart(p, "curses", &opts)) {
2120 #ifdef CONFIG_CURSES
2121 display = DT_CURSES;
2122 #else
2123 error_report("curses support is disabled");
2124 exit(1);
2125 #endif
2126 } else if (strstart(p, "gtk", &opts)) {
2127 #ifdef CONFIG_GTK
2128 display = DT_GTK;
2129 while (*opts) {
2130 const char *nextopt;
2131
2132 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2133 opts = nextopt;
2134 if (strstart(opts, "on", &nextopt)) {
2135 grab_on_hover = true;
2136 } else if (strstart(opts, "off", &nextopt)) {
2137 grab_on_hover = false;
2138 } else {
2139 goto invalid_gtk_args;
2140 }
2141 } else if (strstart(opts, ",gl=", &nextopt)) {
2142 opts = nextopt;
2143 if (strstart(opts, "on", &nextopt)) {
2144 request_opengl = 1;
2145 } else if (strstart(opts, "off", &nextopt)) {
2146 request_opengl = 0;
2147 } else {
2148 goto invalid_gtk_args;
2149 }
2150 } else {
2151 invalid_gtk_args:
2152 error_report("invalid GTK option string");
2153 exit(1);
2154 }
2155 opts = nextopt;
2156 }
2157 #else
2158 error_report("GTK support is disabled");
2159 exit(1);
2160 #endif
2161 } else if (strstart(p, "none", &opts)) {
2162 display = DT_NONE;
2163 } else {
2164 error_report("unknown display type");
2165 exit(1);
2166 }
2167
2168 return display;
2169 }
2170
2171 static int balloon_parse(const char *arg)
2172 {
2173 QemuOpts *opts;
2174
2175 if (strcmp(arg, "none") == 0) {
2176 return 0;
2177 }
2178
2179 if (!strncmp(arg, "virtio", 6)) {
2180 if (arg[6] == ',') {
2181 /* have params -> parse them */
2182 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2183 false);
2184 if (!opts)
2185 return -1;
2186 } else {
2187 /* create empty opts */
2188 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2189 &error_abort);
2190 }
2191 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2192 return 0;
2193 }
2194
2195 return -1;
2196 }
2197
2198 char *qemu_find_file(int type, const char *name)
2199 {
2200 int i;
2201 const char *subdir;
2202 char *buf;
2203
2204 /* Try the name as a straight path first */
2205 if (access(name, R_OK) == 0) {
2206 trace_load_file(name, name);
2207 return g_strdup(name);
2208 }
2209
2210 switch (type) {
2211 case QEMU_FILE_TYPE_BIOS:
2212 subdir = "";
2213 break;
2214 case QEMU_FILE_TYPE_KEYMAP:
2215 subdir = "keymaps/";
2216 break;
2217 default:
2218 abort();
2219 }
2220
2221 for (i = 0; i < data_dir_idx; i++) {
2222 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2223 if (access(buf, R_OK) == 0) {
2224 trace_load_file(name, buf);
2225 return buf;
2226 }
2227 g_free(buf);
2228 }
2229 return NULL;
2230 }
2231
2232 static inline bool nonempty_str(const char *str)
2233 {
2234 return str && *str;
2235 }
2236
2237 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2238 {
2239 gchar *buf;
2240 size_t size;
2241 const char *name, *file, *str;
2242 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2243
2244 if (fw_cfg == NULL) {
2245 error_report("fw_cfg device not available");
2246 return -1;
2247 }
2248 name = qemu_opt_get(opts, "name");
2249 file = qemu_opt_get(opts, "file");
2250 str = qemu_opt_get(opts, "string");
2251
2252 /* we need name and either a file or the content string */
2253 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2254 error_report("invalid argument(s)");
2255 return -1;
2256 }
2257 if (nonempty_str(file) && nonempty_str(str)) {
2258 error_report("file and string are mutually exclusive");
2259 return -1;
2260 }
2261 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2262 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2263 return -1;
2264 }
2265 if (strncmp(name, "opt/", 4) != 0) {
2266 error_report("warning: externally provided fw_cfg item names "
2267 "should be prefixed with \"opt/\"");
2268 }
2269 if (nonempty_str(str)) {
2270 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2271 buf = g_memdup(str, size);
2272 } else {
2273 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2274 error_report("can't load %s", file);
2275 return -1;
2276 }
2277 }
2278 /* For legacy, keep user files in a specific global order. */
2279 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2280 fw_cfg_add_file(fw_cfg, name, buf, size);
2281 fw_cfg_reset_order_override(fw_cfg);
2282 return 0;
2283 }
2284
2285 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2286 {
2287 return qdev_device_help(opts);
2288 }
2289
2290 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2291 {
2292 Error *err = NULL;
2293 DeviceState *dev;
2294
2295 dev = qdev_device_add(opts, &err);
2296 if (!dev) {
2297 error_report_err(err);
2298 return -1;
2299 }
2300 object_unref(OBJECT(dev));
2301 return 0;
2302 }
2303
2304 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2305 {
2306 Error *local_err = NULL;
2307
2308 qemu_chr_new_from_opts(opts, &local_err);
2309 if (local_err) {
2310 error_report_err(local_err);
2311 return -1;
2312 }
2313 return 0;
2314 }
2315
2316 #ifdef CONFIG_VIRTFS
2317 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2318 {
2319 return qemu_fsdev_add(opts);
2320 }
2321 #endif
2322
2323 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2324 {
2325 Chardev *chr;
2326 const char *chardev;
2327 const char *mode;
2328 int flags;
2329
2330 mode = qemu_opt_get(opts, "mode");
2331 if (mode == NULL) {
2332 mode = "readline";
2333 }
2334 if (strcmp(mode, "readline") == 0) {
2335 flags = MONITOR_USE_READLINE;
2336 } else if (strcmp(mode, "control") == 0) {
2337 flags = MONITOR_USE_CONTROL;
2338 } else {
2339 error_report("unknown monitor mode \"%s\"", mode);
2340 exit(1);
2341 }
2342
2343 if (qemu_opt_get_bool(opts, "pretty", 0))
2344 flags |= MONITOR_USE_PRETTY;
2345
2346 if (qemu_opt_get_bool(opts, "default", 0)) {
2347 error_report("option 'default' does nothing and is deprecated");
2348 }
2349
2350 chardev = qemu_opt_get(opts, "chardev");
2351 chr = qemu_chr_find(chardev);
2352 if (chr == NULL) {
2353 error_report("chardev \"%s\" not found", chardev);
2354 exit(1);
2355 }
2356
2357 monitor_init(chr, flags);
2358 return 0;
2359 }
2360
2361 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2362 {
2363 static int monitor_device_index = 0;
2364 QemuOpts *opts;
2365 const char *p;
2366 char label[32];
2367
2368 if (strstart(optarg, "chardev:", &p)) {
2369 snprintf(label, sizeof(label), "%s", p);
2370 } else {
2371 snprintf(label, sizeof(label), "compat_monitor%d",
2372 monitor_device_index);
2373 opts = qemu_chr_parse_compat(label, optarg);
2374 if (!opts) {
2375 error_report("parse error: %s", optarg);
2376 exit(1);
2377 }
2378 }
2379
2380 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2381 qemu_opt_set(opts, "mode", mode, &error_abort);
2382 qemu_opt_set(opts, "chardev", label, &error_abort);
2383 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2384 monitor_device_index++;
2385 }
2386
2387 struct device_config {
2388 enum {
2389 DEV_USB, /* -usbdevice */
2390 DEV_BT, /* -bt */
2391 DEV_SERIAL, /* -serial */
2392 DEV_PARALLEL, /* -parallel */
2393 DEV_VIRTCON, /* -virtioconsole */
2394 DEV_DEBUGCON, /* -debugcon */
2395 DEV_GDB, /* -gdb, -s */
2396 DEV_SCLP, /* s390 sclp */
2397 } type;
2398 const char *cmdline;
2399 Location loc;
2400 QTAILQ_ENTRY(device_config) next;
2401 };
2402
2403 static QTAILQ_HEAD(, device_config) device_configs =
2404 QTAILQ_HEAD_INITIALIZER(device_configs);
2405
2406 static void add_device_config(int type, const char *cmdline)
2407 {
2408 struct device_config *conf;
2409
2410 conf = g_malloc0(sizeof(*conf));
2411 conf->type = type;
2412 conf->cmdline = cmdline;
2413 loc_save(&conf->loc);
2414 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2415 }
2416
2417 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2418 {
2419 struct device_config *conf;
2420 int rc;
2421
2422 QTAILQ_FOREACH(conf, &device_configs, next) {
2423 if (conf->type != type)
2424 continue;
2425 loc_push_restore(&conf->loc);
2426 rc = func(conf->cmdline);
2427 loc_pop(&conf->loc);
2428 if (rc) {
2429 return rc;
2430 }
2431 }
2432 return 0;
2433 }
2434
2435 static int serial_parse(const char *devname)
2436 {
2437 static int index = 0;
2438 char label[32];
2439
2440 if (strcmp(devname, "none") == 0)
2441 return 0;
2442 if (index == MAX_SERIAL_PORTS) {
2443 error_report("too many serial ports");
2444 exit(1);
2445 }
2446 snprintf(label, sizeof(label), "serial%d", index);
2447 serial_hds[index] = qemu_chr_new(label, devname);
2448 if (!serial_hds[index]) {
2449 error_report("could not connect serial device"
2450 " to character backend '%s'", devname);
2451 return -1;
2452 }
2453 index++;
2454 return 0;
2455 }
2456
2457 static int parallel_parse(const char *devname)
2458 {
2459 static int index = 0;
2460 char label[32];
2461
2462 if (strcmp(devname, "none") == 0)
2463 return 0;
2464 if (index == MAX_PARALLEL_PORTS) {
2465 error_report("too many parallel ports");
2466 exit(1);
2467 }
2468 snprintf(label, sizeof(label), "parallel%d", index);
2469 parallel_hds[index] = qemu_chr_new(label, devname);
2470 if (!parallel_hds[index]) {
2471 error_report("could not connect parallel device"
2472 " to character backend '%s'", devname);
2473 return -1;
2474 }
2475 index++;
2476 return 0;
2477 }
2478
2479 static int virtcon_parse(const char *devname)
2480 {
2481 QemuOptsList *device = qemu_find_opts("device");
2482 static int index = 0;
2483 char label[32];
2484 QemuOpts *bus_opts, *dev_opts;
2485
2486 if (strcmp(devname, "none") == 0)
2487 return 0;
2488 if (index == MAX_VIRTIO_CONSOLES) {
2489 error_report("too many virtio consoles");
2490 exit(1);
2491 }
2492
2493 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2494 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2495
2496 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2497 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2498
2499 snprintf(label, sizeof(label), "virtcon%d", index);
2500 virtcon_hds[index] = qemu_chr_new(label, devname);
2501 if (!virtcon_hds[index]) {
2502 error_report("could not connect virtio console"
2503 " to character backend '%s'", devname);
2504 return -1;
2505 }
2506 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2507
2508 index++;
2509 return 0;
2510 }
2511
2512 static int sclp_parse(const char *devname)
2513 {
2514 QemuOptsList *device = qemu_find_opts("device");
2515 static int index = 0;
2516 char label[32];
2517 QemuOpts *dev_opts;
2518
2519 if (strcmp(devname, "none") == 0) {
2520 return 0;
2521 }
2522 if (index == MAX_SCLP_CONSOLES) {
2523 error_report("too many sclp consoles");
2524 exit(1);
2525 }
2526
2527 assert(arch_type == QEMU_ARCH_S390X);
2528
2529 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2530 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2531
2532 snprintf(label, sizeof(label), "sclpcon%d", index);
2533 sclp_hds[index] = qemu_chr_new(label, devname);
2534 if (!sclp_hds[index]) {
2535 error_report("could not connect sclp console"
2536 " to character backend '%s'", devname);
2537 return -1;
2538 }
2539 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2540
2541 index++;
2542 return 0;
2543 }
2544
2545 static int debugcon_parse(const char *devname)
2546 {
2547 QemuOpts *opts;
2548
2549 if (!qemu_chr_new("debugcon", devname)) {
2550 exit(1);
2551 }
2552 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2553 if (!opts) {
2554 error_report("already have a debugcon device");
2555 exit(1);
2556 }
2557 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2558 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2559 return 0;
2560 }
2561
2562 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2563 {
2564 const MachineClass *mc1 = a, *mc2 = b;
2565 int res;
2566
2567 if (mc1->family == NULL) {
2568 if (mc2->family == NULL) {
2569 /* Compare standalone machine types against each other; they sort
2570 * in increasing order.
2571 */
2572 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2573 object_class_get_name(OBJECT_CLASS(mc2)));
2574 }
2575
2576 /* Standalone machine types sort after families. */
2577 return 1;
2578 }
2579
2580 if (mc2->family == NULL) {
2581 /* Families sort before standalone machine types. */
2582 return -1;
2583 }
2584
2585 /* Families sort between each other alphabetically increasingly. */
2586 res = strcmp(mc1->family, mc2->family);
2587 if (res != 0) {
2588 return res;
2589 }
2590
2591 /* Within the same family, machine types sort in decreasing order. */
2592 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2593 object_class_get_name(OBJECT_CLASS(mc1)));
2594 }
2595
2596 static MachineClass *machine_parse(const char *name)
2597 {
2598 MachineClass *mc = NULL;
2599 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2600
2601 if (name) {
2602 mc = find_machine(name);
2603 }
2604 if (mc) {
2605 g_slist_free(machines);
2606 return mc;
2607 }
2608 if (name && !is_help_option(name)) {
2609 error_report("unsupported machine type");
2610 error_printf("Use -machine help to list supported machines\n");
2611 } else {
2612 printf("Supported machines are:\n");
2613 machines = g_slist_sort(machines, machine_class_cmp);
2614 for (el = machines; el; el = el->next) {
2615 MachineClass *mc = el->data;
2616 if (mc->alias) {
2617 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2618 }
2619 printf("%-20s %s%s\n", mc->name, mc->desc,
2620 mc->is_default ? " (default)" : "");
2621 }
2622 }
2623
2624 g_slist_free(machines);
2625 exit(!name || !is_help_option(name));
2626 }
2627
2628 void qemu_add_exit_notifier(Notifier *notify)
2629 {
2630 notifier_list_add(&exit_notifiers, notify);
2631 }
2632
2633 void qemu_remove_exit_notifier(Notifier *notify)
2634 {
2635 notifier_remove(notify);
2636 }
2637
2638 static void qemu_run_exit_notifiers(void)
2639 {
2640 notifier_list_notify(&exit_notifiers, NULL);
2641 }
2642
2643 static bool machine_init_done;
2644
2645 void qemu_add_machine_init_done_notifier(Notifier *notify)
2646 {
2647 notifier_list_add(&machine_init_done_notifiers, notify);
2648 if (machine_init_done) {
2649 notify->notify(notify, NULL);
2650 }
2651 }
2652
2653 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2654 {
2655 notifier_remove(notify);
2656 }
2657
2658 static void qemu_run_machine_init_done_notifiers(void)
2659 {
2660 notifier_list_notify(&machine_init_done_notifiers, NULL);
2661 machine_init_done = true;
2662 }
2663
2664 static const QEMUOption *lookup_opt(int argc, char **argv,
2665 const char **poptarg, int *poptind)
2666 {
2667 const QEMUOption *popt;
2668 int optind = *poptind;
2669 char *r = argv[optind];
2670 const char *optarg;
2671
2672 loc_set_cmdline(argv, optind, 1);
2673 optind++;
2674 /* Treat --foo the same as -foo. */
2675 if (r[1] == '-')
2676 r++;
2677 popt = qemu_options;
2678 for(;;) {
2679 if (!popt->name) {
2680 error_report("invalid option");
2681 exit(1);
2682 }
2683 if (!strcmp(popt->name, r + 1))
2684 break;
2685 popt++;
2686 }
2687 if (popt->flags & HAS_ARG) {
2688 if (optind >= argc) {
2689 error_report("requires an argument");
2690 exit(1);
2691 }
2692 optarg = argv[optind++];
2693 loc_set_cmdline(argv, optind - 2, 2);
2694 } else {
2695 optarg = NULL;
2696 }
2697
2698 *poptarg = optarg;
2699 *poptind = optind;
2700
2701 return popt;
2702 }
2703
2704 static MachineClass *select_machine(void)
2705 {
2706 MachineClass *machine_class = find_default_machine();
2707 const char *optarg;
2708 QemuOpts *opts;
2709 Location loc;
2710
2711 loc_push_none(&loc);
2712
2713 opts = qemu_get_machine_opts();
2714 qemu_opts_loc_restore(opts);
2715
2716 optarg = qemu_opt_get(opts, "type");
2717 if (optarg) {
2718 machine_class = machine_parse(optarg);
2719 }
2720
2721 if (!machine_class) {
2722 error_report("No machine specified, and there is no default");
2723 error_printf("Use -machine help to list supported machines\n");
2724 exit(1);
2725 }
2726
2727 loc_pop(&loc);
2728 return machine_class;
2729 }
2730
2731 static int machine_set_property(void *opaque,
2732 const char *name, const char *value,
2733 Error **errp)
2734 {
2735 Object *obj = OBJECT(opaque);
2736 Error *local_err = NULL;
2737 char *p, *qom_name;
2738
2739 if (strcmp(name, "type") == 0) {
2740 return 0;
2741 }
2742
2743 qom_name = g_strdup(name);
2744 for (p = qom_name; *p; p++) {
2745 if (*p == '_') {
2746 *p = '-';
2747 }
2748 }
2749
2750 object_property_parse(obj, value, qom_name, &local_err);
2751 g_free(qom_name);
2752
2753 if (local_err) {
2754 error_report_err(local_err);
2755 return -1;
2756 }
2757
2758 return 0;
2759 }
2760
2761
2762 /*
2763 * Initial object creation happens before all other
2764 * QEMU data types are created. The majority of objects
2765 * can be created at this point. The rng-egd object
2766 * cannot be created here, as it depends on the chardev
2767 * already existing.
2768 */
2769 static bool object_create_initial(const char *type)
2770 {
2771 if (g_str_equal(type, "rng-egd")) {
2772 return false;
2773 }
2774
2775 /*
2776 * return false for concrete netfilters since
2777 * they depend on netdevs already existing
2778 */
2779 if (g_str_equal(type, "filter-buffer") ||
2780 g_str_equal(type, "filter-dump") ||
2781 g_str_equal(type, "filter-mirror") ||
2782 g_str_equal(type, "filter-redirector") ||
2783 g_str_equal(type, "colo-compare") ||
2784 g_str_equal(type, "filter-rewriter") ||
2785 g_str_equal(type, "filter-replay")) {
2786 return false;
2787 }
2788
2789 /* Memory allocation by backends needs to be done
2790 * after configure_accelerator() (due to the tcg_enabled()
2791 * checks at memory_region_init_*()).
2792 *
2793 * Also, allocation of large amounts of memory may delay
2794 * chardev initialization for too long, and trigger timeouts
2795 * on software that waits for a monitor socket to be created
2796 * (e.g. libvirt).
2797 */
2798 if (g_str_has_prefix(type, "memory-backend-")) {
2799 return false;
2800 }
2801
2802 return true;
2803 }
2804
2805
2806 /*
2807 * The remainder of object creation happens after the
2808 * creation of chardev, fsdev, net clients and device data types.
2809 */
2810 static bool object_create_delayed(const char *type)
2811 {
2812 return !object_create_initial(type);
2813 }
2814
2815
2816 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2817 MachineClass *mc)
2818 {
2819 uint64_t sz;
2820 const char *mem_str;
2821 const char *maxmem_str, *slots_str;
2822 const ram_addr_t default_ram_size = mc->default_ram_size;
2823 QemuOpts *opts = qemu_find_opts_singleton("memory");
2824 Location loc;
2825
2826 loc_push_none(&loc);
2827 qemu_opts_loc_restore(opts);
2828
2829 sz = 0;
2830 mem_str = qemu_opt_get(opts, "size");
2831 if (mem_str) {
2832 if (!*mem_str) {
2833 error_report("missing 'size' option value");
2834 exit(EXIT_FAILURE);
2835 }
2836
2837 sz = qemu_opt_get_size(opts, "size", ram_size);
2838
2839 /* Fix up legacy suffix-less format */
2840 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2841 uint64_t overflow_check = sz;
2842
2843 sz <<= 20;
2844 if ((sz >> 20) != overflow_check) {
2845 error_report("too large 'size' option value");
2846 exit(EXIT_FAILURE);
2847 }
2848 }
2849 }
2850
2851 /* backward compatibility behaviour for case "-m 0" */
2852 if (sz == 0) {
2853 sz = default_ram_size;
2854 }
2855
2856 sz = QEMU_ALIGN_UP(sz, 8192);
2857 ram_size = sz;
2858 if (ram_size != sz) {
2859 error_report("ram size too large");
2860 exit(EXIT_FAILURE);
2861 }
2862
2863 /* store value for the future use */
2864 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2865 *maxram_size = ram_size;
2866
2867 maxmem_str = qemu_opt_get(opts, "maxmem");
2868 slots_str = qemu_opt_get(opts, "slots");
2869 if (maxmem_str && slots_str) {
2870 uint64_t slots;
2871
2872 sz = qemu_opt_get_size(opts, "maxmem", 0);
2873 slots = qemu_opt_get_number(opts, "slots", 0);
2874 if (sz < ram_size) {
2875 error_report("invalid value of -m option maxmem: "
2876 "maximum memory size (0x%" PRIx64 ") must be at least "
2877 "the initial memory size (0x" RAM_ADDR_FMT ")",
2878 sz, ram_size);
2879 exit(EXIT_FAILURE);
2880 } else if (sz > ram_size) {
2881 if (!slots) {
2882 error_report("invalid value of -m option: maxmem was "
2883 "specified, but no hotplug slots were specified");
2884 exit(EXIT_FAILURE);
2885 }
2886 } else if (slots) {
2887 error_report("invalid value of -m option maxmem: "
2888 "memory slots were specified but maximum memory size "
2889 "(0x%" PRIx64 ") is equal to the initial memory size "
2890 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2891 exit(EXIT_FAILURE);
2892 }
2893
2894 *maxram_size = sz;
2895 *ram_slots = slots;
2896 } else if ((!maxmem_str && slots_str) ||
2897 (maxmem_str && !slots_str)) {
2898 error_report("invalid -m option value: missing "
2899 "'%s' option", slots_str ? "maxmem" : "slots");
2900 exit(EXIT_FAILURE);
2901 }
2902
2903 loc_pop(&loc);
2904 }
2905
2906 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2907 {
2908 GlobalProperty *g;
2909
2910 g = g_malloc0(sizeof(*g));
2911 g->driver = qemu_opt_get(opts, "driver");
2912 g->property = qemu_opt_get(opts, "property");
2913 g->value = qemu_opt_get(opts, "value");
2914 g->user_provided = true;
2915 g->errp = &error_fatal;
2916 qdev_prop_register_global(g);
2917 return 0;
2918 }
2919
2920 static int qemu_read_default_config_file(void)
2921 {
2922 int ret;
2923
2924 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2925 if (ret < 0 && ret != -ENOENT) {
2926 return ret;
2927 }
2928
2929 return 0;
2930 }
2931
2932 int main(int argc, char **argv, char **envp)
2933 {
2934 int i;
2935 int snapshot, linux_boot;
2936 const char *initrd_filename;
2937 const char *kernel_filename, *kernel_cmdline;
2938 const char *boot_order = NULL;
2939 const char *boot_once = NULL;
2940 DisplayState *ds;
2941 int cyls, heads, secs, translation;
2942 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2943 QemuOptsList *olist;
2944 int optind;
2945 const char *optarg;
2946 const char *loadvm = NULL;
2947 MachineClass *machine_class;
2948 const char *cpu_model;
2949 const char *vga_model = NULL;
2950 const char *qtest_chrdev = NULL;
2951 const char *qtest_log = NULL;
2952 const char *pid_file = NULL;
2953 const char *incoming = NULL;
2954 bool defconfig = true;
2955 bool userconfig = true;
2956 bool nographic = false;
2957 DisplayType display_type = DT_DEFAULT;
2958 int display_remote = 0;
2959 const char *log_mask = NULL;
2960 const char *log_file = NULL;
2961 char *trace_file = NULL;
2962 ram_addr_t maxram_size;
2963 uint64_t ram_slots = 0;
2964 FILE *vmstate_dump_file = NULL;
2965 Error *main_loop_err = NULL;
2966 Error *err = NULL;
2967 bool list_data_dirs = false;
2968
2969 module_call_init(MODULE_INIT_TRACE);
2970
2971 qemu_init_cpu_list();
2972 qemu_init_cpu_loop();
2973 qemu_mutex_lock_iothread();
2974
2975 atexit(qemu_run_exit_notifiers);
2976 error_set_progname(argv[0]);
2977 qemu_init_exec_dir(argv[0]);
2978
2979 module_call_init(MODULE_INIT_QOM);
2980 module_call_init(MODULE_INIT_QAPI);
2981
2982 qemu_add_opts(&qemu_drive_opts);
2983 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2984 qemu_add_drive_opts(&qemu_common_drive_opts);
2985 qemu_add_drive_opts(&qemu_drive_opts);
2986 qemu_add_drive_opts(&bdrv_runtime_opts);
2987 qemu_add_opts(&qemu_chardev_opts);
2988 qemu_add_opts(&qemu_device_opts);
2989 qemu_add_opts(&qemu_netdev_opts);
2990 qemu_add_opts(&qemu_net_opts);
2991 qemu_add_opts(&qemu_rtc_opts);
2992 qemu_add_opts(&qemu_global_opts);
2993 qemu_add_opts(&qemu_mon_opts);
2994 qemu_add_opts(&qemu_trace_opts);
2995 qemu_add_opts(&qemu_option_rom_opts);
2996 qemu_add_opts(&qemu_machine_opts);
2997 qemu_add_opts(&qemu_mem_opts);
2998 qemu_add_opts(&qemu_smp_opts);
2999 qemu_add_opts(&qemu_boot_opts);
3000 qemu_add_opts(&qemu_sandbox_opts);
3001 qemu_add_opts(&qemu_add_fd_opts);
3002 qemu_add_opts(&qemu_object_opts);
3003 qemu_add_opts(&qemu_tpmdev_opts);
3004 qemu_add_opts(&qemu_realtime_opts);
3005 qemu_add_opts(&qemu_msg_opts);
3006 qemu_add_opts(&qemu_name_opts);
3007 qemu_add_opts(&qemu_numa_opts);
3008 qemu_add_opts(&qemu_icount_opts);
3009 qemu_add_opts(&qemu_semihosting_config_opts);
3010 qemu_add_opts(&qemu_fw_cfg_opts);
3011 module_call_init(MODULE_INIT_OPTS);
3012
3013 runstate_init();
3014
3015 if (qcrypto_init(&err) < 0) {
3016 error_reportf_err(err, "cannot initialize crypto: ");
3017 exit(1);
3018 }
3019 rtc_clock = QEMU_CLOCK_HOST;
3020
3021 QLIST_INIT (&vm_change_state_head);
3022 os_setup_early_signal_handling();
3023
3024 cpu_model = NULL;
3025 snapshot = 0;
3026 cyls = heads = secs = 0;
3027 translation = BIOS_ATA_TRANSLATION_AUTO;
3028
3029 nb_nics = 0;
3030
3031 bdrv_init_with_whitelist();
3032
3033 autostart = 1;
3034
3035 /* first pass of option parsing */
3036 optind = 1;
3037 while (optind < argc) {
3038 if (argv[optind][0] != '-') {
3039 /* disk image */
3040 optind++;
3041 } else {
3042 const QEMUOption *popt;
3043
3044 popt = lookup_opt(argc, argv, &optarg, &optind);
3045 switch (popt->index) {
3046 case QEMU_OPTION_nodefconfig:
3047 defconfig = false;
3048 break;
3049 case QEMU_OPTION_nouserconfig:
3050 userconfig = false;
3051 break;
3052 }
3053 }
3054 }
3055
3056 if (defconfig && userconfig) {
3057 if (qemu_read_default_config_file() < 0) {
3058 exit(1);
3059 }
3060 }
3061
3062 /* second pass of option parsing */
3063 optind = 1;
3064 for(;;) {
3065 if (optind >= argc)
3066 break;
3067 if (argv[optind][0] != '-') {
3068 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3069 } else {
3070 const QEMUOption *popt;
3071
3072 popt = lookup_opt(argc, argv, &optarg, &optind);
3073 if (!(popt->arch_mask & arch_type)) {
3074 error_report("Option not supported for this target");
3075 exit(1);
3076 }
3077 switch(popt->index) {
3078 case QEMU_OPTION_no_kvm_irqchip: {
3079 olist = qemu_find_opts("machine");
3080 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3081 break;
3082 }
3083 case QEMU_OPTION_cpu:
3084 /* hw initialization will check this */
3085 cpu_model = optarg;
3086 break;
3087 case QEMU_OPTION_hda:
3088 {
3089 char buf[256];
3090 if (cyls == 0)
3091 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3092 else
3093 snprintf(buf, sizeof(buf),
3094 "%s,cyls=%d,heads=%d,secs=%d%s",
3095 HD_OPTS , cyls, heads, secs,
3096 translation == BIOS_ATA_TRANSLATION_LBA ?
3097 ",trans=lba" :
3098 translation == BIOS_ATA_TRANSLATION_NONE ?
3099 ",trans=none" : "");
3100 drive_add(IF_DEFAULT, 0, optarg, buf);
3101 break;
3102 }
3103 case QEMU_OPTION_hdb:
3104 case QEMU_OPTION_hdc:
3105 case QEMU_OPTION_hdd:
3106 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3107 HD_OPTS);
3108 break;
3109 case QEMU_OPTION_drive:
3110 if (drive_def(optarg) == NULL) {
3111 exit(1);
3112 }
3113 break;
3114 case QEMU_OPTION_set:
3115 if (qemu_set_option(optarg) != 0)
3116 exit(1);
3117 break;
3118 case QEMU_OPTION_global:
3119 if (qemu_global_option(optarg) != 0)
3120 exit(1);
3121 break;
3122 case QEMU_OPTION_mtdblock:
3123 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3124 break;
3125 case QEMU_OPTION_sd:
3126 drive_add(IF_SD, -1, optarg, SD_OPTS);
3127 break;
3128 case QEMU_OPTION_pflash:
3129 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3130 break;
3131 case QEMU_OPTION_snapshot:
3132 snapshot = 1;
3133 break;
3134 case QEMU_OPTION_hdachs:
3135 {
3136 const char *p;
3137 p = optarg;
3138 cyls = strtol(p, (char **)&p, 0);
3139 if (cyls < 1 || cyls > 16383)
3140 goto chs_fail;
3141 if (*p != ',')
3142 goto chs_fail;
3143 p++;
3144 heads = strtol(p, (char **)&p, 0);
3145 if (heads < 1 || heads > 16)
3146 goto chs_fail;
3147 if (*p != ',')
3148 goto chs_fail;
3149 p++;
3150 secs = strtol(p, (char **)&p, 0);
3151 if (secs < 1 || secs > 63)
3152 goto chs_fail;
3153 if (*p == ',') {
3154 p++;
3155 if (!strcmp(p, "large")) {
3156 translation = BIOS_ATA_TRANSLATION_LARGE;
3157 } else if (!strcmp(p, "rechs")) {
3158 translation = BIOS_ATA_TRANSLATION_RECHS;
3159 } else if (!strcmp(p, "none")) {
3160 translation = BIOS_ATA_TRANSLATION_NONE;
3161 } else if (!strcmp(p, "lba")) {
3162 translation = BIOS_ATA_TRANSLATION_LBA;
3163 } else if (!strcmp(p, "auto")) {
3164 translation = BIOS_ATA_TRANSLATION_AUTO;
3165 } else {
3166 goto chs_fail;
3167 }
3168 } else if (*p != '\0') {
3169 chs_fail:
3170 error_report("invalid physical CHS format");
3171 exit(1);
3172 }
3173 if (hda_opts != NULL) {
3174 qemu_opt_set_number(hda_opts, "cyls", cyls,
3175 &error_abort);
3176 qemu_opt_set_number(hda_opts, "heads", heads,
3177 &error_abort);
3178 qemu_opt_set_number(hda_opts, "secs", secs,
3179 &error_abort);
3180 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3181 qemu_opt_set(hda_opts, "trans", "large",
3182 &error_abort);
3183 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3184 qemu_opt_set(hda_opts, "trans", "rechs",
3185 &error_abort);
3186 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3187 qemu_opt_set(hda_opts, "trans", "lba",
3188 &error_abort);
3189 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3190 qemu_opt_set(hda_opts, "trans", "none",
3191 &error_abort);
3192 }
3193 }
3194 }
3195 break;
3196 case QEMU_OPTION_numa:
3197 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3198 optarg, true);
3199 if (!opts) {
3200 exit(1);
3201 }
3202 break;
3203 case QEMU_OPTION_display:
3204 display_type = select_display(optarg);
3205 break;
3206 case QEMU_OPTION_nographic:
3207 olist = qemu_find_opts("machine");
3208 qemu_opts_parse_noisily(olist, "graphics=off", false);
3209 nographic = true;
3210 display_type = DT_NONE;
3211 break;
3212 case QEMU_OPTION_curses:
3213 #ifdef CONFIG_CURSES
3214 display_type = DT_CURSES;
3215 #else
3216 error_report("curses support is disabled");
3217 exit(1);
3218 #endif
3219 break;
3220 case QEMU_OPTION_portrait:
3221 graphic_rotate = 90;
3222 break;
3223 case QEMU_OPTION_rotate:
3224 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3225 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3226 graphic_rotate != 180 && graphic_rotate != 270) {
3227 error_report("only 90, 180, 270 deg rotation is available");
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_kernel:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3233 &error_abort);
3234 break;
3235 case QEMU_OPTION_initrd:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3237 &error_abort);
3238 break;
3239 case QEMU_OPTION_append:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3241 &error_abort);
3242 break;
3243 case QEMU_OPTION_dtb:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3245 &error_abort);
3246 break;
3247 case QEMU_OPTION_cdrom:
3248 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3249 break;
3250 case QEMU_OPTION_boot:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3252 optarg, true);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 break;
3257 case QEMU_OPTION_fda:
3258 case QEMU_OPTION_fdb:
3259 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3260 optarg, FD_OPTS);
3261 break;
3262 case QEMU_OPTION_no_fd_bootchk:
3263 fd_bootchk = 0;
3264 break;
3265 case QEMU_OPTION_netdev:
3266 default_net = 0;
3267 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3268 exit(1);
3269 }
3270 break;
3271 case QEMU_OPTION_net:
3272 default_net = 0;
3273 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3274 exit(1);
3275 }
3276 break;
3277 #ifdef CONFIG_LIBISCSI
3278 case QEMU_OPTION_iscsi:
3279 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3280 optarg, false);
3281 if (!opts) {
3282 exit(1);
3283 }
3284 break;
3285 #endif
3286 #ifdef CONFIG_SLIRP
3287 case QEMU_OPTION_tftp:
3288 error_report("The -tftp option is deprecated. "
3289 "Please use '-netdev user,tftp=...' instead.");
3290 legacy_tftp_prefix = optarg;
3291 break;
3292 case QEMU_OPTION_bootp:
3293 error_report("The -bootp option is deprecated. "
3294 "Please use '-netdev user,bootfile=...' instead.");
3295 legacy_bootp_filename = optarg;
3296 break;
3297 case QEMU_OPTION_redir:
3298 error_report("The -redir option is deprecated. "
3299 "Please use '-netdev user,hostfwd=...' instead.");
3300 if (net_slirp_redir(optarg) < 0)
3301 exit(1);
3302 break;
3303 #endif
3304 case QEMU_OPTION_bt:
3305 add_device_config(DEV_BT, optarg);
3306 break;
3307 case QEMU_OPTION_audio_help:
3308 AUD_help ();
3309 exit (0);
3310 break;
3311 case QEMU_OPTION_soundhw:
3312 select_soundhw (optarg);
3313 break;
3314 case QEMU_OPTION_h:
3315 help(0);
3316 break;
3317 case QEMU_OPTION_version:
3318 version();
3319 exit(0);
3320 break;
3321 case QEMU_OPTION_m:
3322 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3323 optarg, true);
3324 if (!opts) {
3325 exit(EXIT_FAILURE);
3326 }
3327 break;
3328 #ifdef CONFIG_TPM
3329 case QEMU_OPTION_tpmdev:
3330 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3331 exit(1);
3332 }
3333 break;
3334 #endif
3335 case QEMU_OPTION_mempath:
3336 mem_path = optarg;
3337 break;
3338 case QEMU_OPTION_mem_prealloc:
3339 mem_prealloc = 1;
3340 break;
3341 case QEMU_OPTION_d:
3342 log_mask = optarg;
3343 break;
3344 case QEMU_OPTION_D:
3345 log_file = optarg;
3346 break;
3347 case QEMU_OPTION_DFILTER:
3348 qemu_set_dfilter_ranges(optarg, &error_fatal);
3349 break;
3350 case QEMU_OPTION_s:
3351 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3352 break;
3353 case QEMU_OPTION_gdb:
3354 add_device_config(DEV_GDB, optarg);
3355 break;
3356 case QEMU_OPTION_L:
3357 if (is_help_option(optarg)) {
3358 list_data_dirs = true;
3359 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3360 data_dir[data_dir_idx++] = optarg;
3361 }
3362 break;
3363 case QEMU_OPTION_bios:
3364 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3365 &error_abort);
3366 break;
3367 case QEMU_OPTION_singlestep:
3368 singlestep = 1;
3369 break;
3370 case QEMU_OPTION_S:
3371 autostart = 0;
3372 break;
3373 case QEMU_OPTION_k:
3374 keyboard_layout = optarg;
3375 break;
3376 case QEMU_OPTION_localtime:
3377 rtc_utc = 0;
3378 break;
3379 case QEMU_OPTION_vga:
3380 vga_model = optarg;
3381 default_vga = 0;
3382 break;
3383 case QEMU_OPTION_g:
3384 {
3385 const char *p;
3386 int w, h, depth;
3387 p = optarg;
3388 w = strtol(p, (char **)&p, 10);
3389 if (w <= 0) {
3390 graphic_error:
3391 error_report("invalid resolution or depth");
3392 exit(1);
3393 }
3394 if (*p != 'x')
3395 goto graphic_error;
3396 p++;
3397 h = strtol(p, (char **)&p, 10);
3398 if (h <= 0)
3399 goto graphic_error;
3400 if (*p == 'x') {
3401 p++;
3402 depth = strtol(p, (char **)&p, 10);
3403 if (depth != 8 && depth != 15 && depth != 16 &&
3404 depth != 24 && depth != 32)
3405 goto graphic_error;
3406 } else if (*p == '\0') {
3407 depth = graphic_depth;
3408 } else {
3409 goto graphic_error;
3410 }
3411
3412 graphic_width = w;
3413 graphic_height = h;
3414 graphic_depth = depth;
3415 }
3416 break;
3417 case QEMU_OPTION_echr:
3418 {
3419 char *r;
3420 term_escape_char = strtol(optarg, &r, 0);
3421 if (r == optarg)
3422 printf("Bad argument to echr\n");
3423 break;
3424 }
3425 case QEMU_OPTION_monitor:
3426 default_monitor = 0;
3427 if (strncmp(optarg, "none", 4)) {
3428 monitor_parse(optarg, "readline", false);
3429 }
3430 break;
3431 case QEMU_OPTION_qmp:
3432 monitor_parse(optarg, "control", false);
3433 default_monitor = 0;
3434 break;
3435 case QEMU_OPTION_qmp_pretty:
3436 monitor_parse(optarg, "control", true);
3437 default_monitor = 0;
3438 break;
3439 case QEMU_OPTION_mon:
3440 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3441 true);
3442 if (!opts) {
3443 exit(1);
3444 }
3445 default_monitor = 0;
3446 break;
3447 case QEMU_OPTION_chardev:
3448 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3449 optarg, true);
3450 if (!opts) {
3451 exit(1);
3452 }
3453 break;
3454 case QEMU_OPTION_fsdev:
3455 olist = qemu_find_opts("fsdev");
3456 if (!olist) {
3457 error_report("fsdev support is disabled");
3458 exit(1);
3459 }
3460 opts = qemu_opts_parse_noisily(olist, optarg, true);
3461 if (!opts) {
3462 exit(1);
3463 }
3464 break;
3465 case QEMU_OPTION_virtfs: {
3466 QemuOpts *fsdev;
3467 QemuOpts *device;
3468 const char *writeout, *sock_fd, *socket;
3469
3470 olist = qemu_find_opts("virtfs");
3471 if (!olist) {
3472 error_report("virtfs support is disabled");
3473 exit(1);
3474 }
3475 opts = qemu_opts_parse_noisily(olist, optarg, true);
3476 if (!opts) {
3477 exit(1);
3478 }
3479
3480 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3481 qemu_opt_get(opts, "mount_tag") == NULL) {
3482 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3483 exit(1);
3484 }
3485 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3486 qemu_opt_get(opts, "mount_tag"),
3487 1, NULL);
3488 if (!fsdev) {
3489 error_report("duplicate fsdev id: %s",
3490 qemu_opt_get(opts, "mount_tag"));
3491 exit(1);
3492 }
3493
3494 writeout = qemu_opt_get(opts, "writeout");
3495 if (writeout) {
3496 #ifdef CONFIG_SYNC_FILE_RANGE
3497 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3498 #else
3499 error_report("writeout=immediate not supported "
3500 "on this platform");
3501 exit(1);
3502 #endif
3503 }
3504 qemu_opt_set(fsdev, "fsdriver",
3505 qemu_opt_get(opts, "fsdriver"), &error_abort);
3506 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3507 &error_abort);
3508 qemu_opt_set(fsdev, "security_model",
3509 qemu_opt_get(opts, "security_model"),
3510 &error_abort);
3511 socket = qemu_opt_get(opts, "socket");
3512 if (socket) {
3513 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3514 }
3515 sock_fd = qemu_opt_get(opts, "sock_fd");
3516 if (sock_fd) {
3517 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3518 }
3519
3520 qemu_opt_set_bool(fsdev, "readonly",
3521 qemu_opt_get_bool(opts, "readonly", 0),
3522 &error_abort);
3523 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3524 &error_abort);
3525 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3526 qemu_opt_set(device, "fsdev",
3527 qemu_opt_get(opts, "mount_tag"), &error_abort);
3528 qemu_opt_set(device, "mount_tag",
3529 qemu_opt_get(opts, "mount_tag"), &error_abort);
3530 break;
3531 }
3532 case QEMU_OPTION_virtfs_synth: {
3533 QemuOpts *fsdev;
3534 QemuOpts *device;
3535
3536 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3537 1, NULL);
3538 if (!fsdev) {
3539 error_report("duplicate option: %s", "virtfs_synth");
3540 exit(1);
3541 }
3542 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3543
3544 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3545 &error_abort);
3546 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3547 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3548 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3549 break;
3550 }
3551 case QEMU_OPTION_serial:
3552 add_device_config(DEV_SERIAL, optarg);
3553 default_serial = 0;
3554 if (strncmp(optarg, "mon:", 4) == 0) {
3555 default_monitor = 0;
3556 }
3557 break;
3558 case QEMU_OPTION_watchdog:
3559 if (watchdog) {
3560 error_report("only one watchdog option may be given");
3561 return 1;
3562 }
3563 watchdog = optarg;
3564 break;
3565 case QEMU_OPTION_watchdog_action:
3566 if (select_watchdog_action(optarg) == -1) {
3567 error_report("unknown -watchdog-action parameter");
3568 exit(1);
3569 }
3570 break;
3571 case QEMU_OPTION_virtiocon:
3572 add_device_config(DEV_VIRTCON, optarg);
3573 default_virtcon = 0;
3574 if (strncmp(optarg, "mon:", 4) == 0) {
3575 default_monitor = 0;
3576 }
3577 break;
3578 case QEMU_OPTION_parallel:
3579 add_device_config(DEV_PARALLEL, optarg);
3580 default_parallel = 0;
3581 if (strncmp(optarg, "mon:", 4) == 0) {
3582 default_monitor = 0;
3583 }
3584 break;
3585 case QEMU_OPTION_debugcon:
3586 add_device_config(DEV_DEBUGCON, optarg);
3587 break;
3588 case QEMU_OPTION_loadvm:
3589 loadvm = optarg;
3590 break;
3591 case QEMU_OPTION_full_screen:
3592 full_screen = 1;
3593 break;
3594 case QEMU_OPTION_no_frame:
3595 no_frame = 1;
3596 break;
3597 case QEMU_OPTION_alt_grab:
3598 alt_grab = 1;
3599 break;
3600 case QEMU_OPTION_ctrl_grab:
3601 ctrl_grab = 1;
3602 break;
3603 case QEMU_OPTION_no_quit:
3604 no_quit = 1;
3605 break;
3606 case QEMU_OPTION_sdl:
3607 #ifdef CONFIG_SDL
3608 display_type = DT_SDL;
3609 break;
3610 #else
3611 error_report("SDL support is disabled");
3612 exit(1);
3613 #endif
3614 case QEMU_OPTION_pidfile:
3615 pid_file = optarg;
3616 break;
3617 case QEMU_OPTION_win2k_hack:
3618 win2k_install_hack = 1;
3619 break;
3620 case QEMU_OPTION_rtc_td_hack: {
3621 static GlobalProperty slew_lost_ticks = {
3622 .driver = "mc146818rtc",
3623 .property = "lost_tick_policy",
3624 .value = "slew",
3625 };
3626
3627 qdev_prop_register_global(&slew_lost_ticks);
3628 break;
3629 }
3630 case QEMU_OPTION_acpitable:
3631 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3632 optarg, true);
3633 if (!opts) {
3634 exit(1);
3635 }
3636 acpi_table_add(opts, &error_fatal);
3637 break;
3638 case QEMU_OPTION_smbios:
3639 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3640 optarg, false);
3641 if (!opts) {
3642 exit(1);
3643 }
3644 smbios_entry_add(opts, &error_fatal);
3645 break;
3646 case QEMU_OPTION_fwcfg:
3647 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3648 optarg, true);
3649 if (opts == NULL) {
3650 exit(1);
3651 }
3652 break;
3653 case QEMU_OPTION_enable_kvm:
3654 olist = qemu_find_opts("machine");
3655 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3656 break;
3657 case QEMU_OPTION_enable_hax:
3658 olist = qemu_find_opts("machine");
3659 qemu_opts_parse_noisily(olist, "accel=hax", false);
3660 break;
3661 case QEMU_OPTION_M:
3662 case QEMU_OPTION_machine:
3663 olist = qemu_find_opts("machine");
3664 opts = qemu_opts_parse_noisily(olist, optarg, true);
3665 if (!opts) {
3666 exit(1);
3667 }
3668 break;
3669 case QEMU_OPTION_no_kvm:
3670 olist = qemu_find_opts("machine");
3671 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3672 break;
3673 case QEMU_OPTION_no_kvm_pit: {
3674 error_report("warning: ignoring deprecated option");
3675 break;
3676 }
3677 case QEMU_OPTION_no_kvm_pit_reinjection: {
3678 static GlobalProperty kvm_pit_lost_tick_policy = {
3679 .driver = "kvm-pit",
3680 .property = "lost_tick_policy",
3681 .value = "discard",
3682 };
3683
3684 error_report("warning: deprecated, replaced by "
3685 "-global kvm-pit.lost_tick_policy=discard");
3686 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3687 break;
3688 }
3689 case QEMU_OPTION_usb:
3690 olist = qemu_find_opts("machine");
3691 qemu_opts_parse_noisily(olist, "usb=on", false);
3692 break;
3693 case QEMU_OPTION_usbdevice:
3694 olist = qemu_find_opts("machine");
3695 qemu_opts_parse_noisily(olist, "usb=on", false);
3696 add_device_config(DEV_USB, optarg);
3697 break;
3698 case QEMU_OPTION_device:
3699 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3700 optarg, true)) {
3701 exit(1);
3702 }
3703 break;
3704 case QEMU_OPTION_smp:
3705 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3706 optarg, true)) {
3707 exit(1);
3708 }
3709 break;
3710 case QEMU_OPTION_vnc:
3711 vnc_parse(optarg, &error_fatal);
3712 break;
3713 case QEMU_OPTION_no_acpi:
3714 acpi_enabled = 0;
3715 break;
3716 case QEMU_OPTION_no_hpet:
3717 no_hpet = 1;
3718 break;
3719 case QEMU_OPTION_balloon:
3720 if (balloon_parse(optarg) < 0) {
3721 error_report("unknown -balloon argument %s", optarg);
3722 exit(1);
3723 }
3724 break;
3725 case QEMU_OPTION_no_reboot:
3726 no_reboot = 1;
3727 break;
3728 case QEMU_OPTION_no_shutdown:
3729 no_shutdown = 1;
3730 break;
3731 case QEMU_OPTION_show_cursor:
3732 cursor_hide = 0;
3733 break;
3734 case QEMU_OPTION_uuid:
3735 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3736 error_report("failed to parse UUID string: wrong format");
3737 exit(1);
3738 }
3739 qemu_uuid_set = true;
3740 break;
3741 case QEMU_OPTION_option_rom:
3742 if (nb_option_roms >= MAX_OPTION_ROMS) {
3743 error_report("too many option ROMs");
3744 exit(1);
3745 }
3746 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3747 optarg, true);
3748 if (!opts) {
3749 exit(1);
3750 }
3751 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3752 option_rom[nb_option_roms].bootindex =
3753 qemu_opt_get_number(opts, "bootindex", -1);
3754 if (!option_rom[nb_option_roms].name) {
3755 error_report("Option ROM file is not specified");
3756 exit(1);
3757 }
3758 nb_option_roms++;
3759 break;
3760 case QEMU_OPTION_semihosting:
3761 semihosting.enabled = true;
3762 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3763 break;
3764 case QEMU_OPTION_semihosting_config:
3765 semihosting.enabled = true;
3766 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3767 optarg, false);
3768 if (opts != NULL) {
3769 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3770 true);
3771 const char *target = qemu_opt_get(opts, "target");
3772 if (target != NULL) {
3773 if (strcmp("native", target) == 0) {
3774 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3775 } else if (strcmp("gdb", target) == 0) {
3776 semihosting.target = SEMIHOSTING_TARGET_GDB;
3777 } else if (strcmp("auto", target) == 0) {
3778 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3779 } else {
3780 error_report("unsupported semihosting-config %s",
3781 optarg);
3782 exit(1);
3783 }
3784 } else {
3785 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3786 }
3787 /* Set semihosting argument count and vector */
3788 qemu_opt_foreach(opts, add_semihosting_arg,
3789 &semihosting, NULL);
3790 } else {
3791 error_report("unsupported semihosting-config %s", optarg);
3792 exit(1);
3793 }
3794 break;
3795 case QEMU_OPTION_tdf:
3796 error_report("warning: ignoring deprecated option");
3797 break;
3798 case QEMU_OPTION_name:
3799 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3800 optarg, true);
3801 if (!opts) {
3802 exit(1);
3803 }
3804 break;
3805 case QEMU_OPTION_prom_env:
3806 if (nb_prom_envs >= MAX_PROM_ENVS) {
3807 error_report("too many prom variables");
3808 exit(1);
3809 }
3810 prom_envs[nb_prom_envs] = optarg;
3811 nb_prom_envs++;
3812 break;
3813 case QEMU_OPTION_old_param:
3814 old_param = 1;
3815 break;
3816 case QEMU_OPTION_clock:
3817 /* Clock options no longer exist. Keep this option for
3818 * backward compatibility.
3819 */
3820 break;
3821 case QEMU_OPTION_startdate:
3822 configure_rtc_date_offset(optarg, 1);
3823 break;
3824 case QEMU_OPTION_rtc:
3825 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3826 false);
3827 if (!opts) {
3828 exit(1);
3829 }
3830 configure_rtc(opts);
3831 break;
3832 case QEMU_OPTION_tb_size:
3833 tcg_tb_size = strtol(optarg, NULL, 0);
3834 if (tcg_tb_size < 0) {
3835 tcg_tb_size = 0;
3836 }
3837 break;
3838 case QEMU_OPTION_icount:
3839 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3840 optarg, true);
3841 if (!icount_opts) {
3842 exit(1);
3843 }
3844 break;
3845 case QEMU_OPTION_incoming:
3846 if (!incoming) {
3847 runstate_set(RUN_STATE_INMIGRATE);
3848 }
3849 incoming = optarg;
3850 break;
3851 case QEMU_OPTION_only_migratable:
3852 only_migratable = 1;
3853 break;
3854 case QEMU_OPTION_nodefaults:
3855 has_defaults = 0;
3856 break;
3857 case QEMU_OPTION_xen_domid:
3858 if (!(xen_available())) {
3859 error_report("Option not supported for this target");
3860 exit(1);
3861 }
3862 xen_domid = atoi(optarg);
3863 break;
3864 case QEMU_OPTION_xen_create:
3865 if (!(xen_available())) {
3866 error_report("Option not supported for this target");
3867 exit(1);
3868 }
3869 xen_mode = XEN_CREATE;
3870 break;
3871 case QEMU_OPTION_xen_attach:
3872 if (!(xen_available())) {
3873 error_report("Option not supported for this target");
3874 exit(1);
3875 }
3876 xen_mode = XEN_ATTACH;
3877 break;
3878 case QEMU_OPTION_trace:
3879 g_free(trace_file);
3880 trace_file = trace_opt_parse(optarg);
3881 break;
3882 case QEMU_OPTION_readconfig:
3883 {
3884 int ret = qemu_read_config_file(optarg);
3885 if (ret < 0) {
3886 error_report("read config %s: %s", optarg,
3887 strerror(-ret));
3888 exit(1);
3889 }
3890 break;
3891 }
3892 case QEMU_OPTION_spice:
3893 olist = qemu_find_opts("spice");
3894 if (!olist) {
3895 error_report("spice support is disabled");
3896 exit(1);
3897 }
3898 opts = qemu_opts_parse_noisily(olist, optarg, false);
3899 if (!opts) {
3900 exit(1);
3901 }
3902 display_remote++;
3903 break;
3904 case QEMU_OPTION_writeconfig:
3905 {
3906 FILE *fp;
3907 if (strcmp(optarg, "-") == 0) {
3908 fp = stdout;
3909 } else {
3910 fp = fopen(optarg, "w");
3911 if (fp == NULL) {
3912 error_report("open %s: %s", optarg,
3913 strerror(errno));
3914 exit(1);
3915 }
3916 }
3917 qemu_config_write(fp);
3918 if (fp != stdout) {
3919 fclose(fp);
3920 }
3921 break;
3922 }
3923 case QEMU_OPTION_qtest:
3924 qtest_chrdev = optarg;
3925 break;
3926 case QEMU_OPTION_qtest_log:
3927 qtest_log = optarg;
3928 break;
3929 case QEMU_OPTION_sandbox:
3930 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3931 optarg, true);
3932 if (!opts) {
3933 exit(1);
3934 }
3935 break;
3936 case QEMU_OPTION_add_fd:
3937 #ifndef _WIN32
3938 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3939 optarg, false);
3940 if (!opts) {
3941 exit(1);
3942 }
3943 #else
3944 error_report("File descriptor passing is disabled on this "
3945 "platform");
3946 exit(1);
3947 #endif
3948 break;
3949 case QEMU_OPTION_object:
3950 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3951 optarg, true);
3952 if (!opts) {
3953 exit(1);
3954 }
3955 break;
3956 case QEMU_OPTION_realtime:
3957 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3958 optarg, false);
3959 if (!opts) {
3960 exit(1);
3961 }
3962 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3963 break;
3964 case QEMU_OPTION_msg:
3965 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3966 false);
3967 if (!opts) {
3968 exit(1);
3969 }
3970 configure_msg(opts);
3971 break;
3972 case QEMU_OPTION_dump_vmstate:
3973 if (vmstate_dump_file) {
3974 error_report("only one '-dump-vmstate' "
3975 "option may be given");
3976 exit(1);
3977 }
3978 vmstate_dump_file = fopen(optarg, "w");
3979 if (vmstate_dump_file == NULL) {
3980 error_report("open %s: %s", optarg, strerror(errno));
3981 exit(1);
3982 }
3983 break;
3984 default:
3985 os_parse_cmd_args(popt->index, optarg);
3986 }
3987 }
3988 }
3989 /*
3990 * Clear error location left behind by the loop.
3991 * Best done right after the loop. Do not insert code here!
3992 */
3993 loc_set_none();
3994
3995 replay_configure(icount_opts);
3996
3997 machine_class = select_machine();
3998
3999 set_memory_options(&ram_slots, &maxram_size, machine_class);
4000
4001 os_daemonize();
4002
4003 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4004 error_report("could not acquire pid file: %s", strerror(errno));
4005 exit(1);
4006 }
4007
4008 if (qemu_init_main_loop(&main_loop_err)) {
4009 error_report_err(main_loop_err);
4010 exit(1);
4011 }
4012
4013 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4014 parse_sandbox, NULL, NULL)) {
4015 exit(1);
4016 }
4017
4018 if (qemu_opts_foreach(qemu_find_opts("name"),
4019 parse_name, NULL, NULL)) {
4020 exit(1);
4021 }
4022
4023 #ifndef _WIN32
4024 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4025 parse_add_fd, NULL, NULL)) {
4026 exit(1);
4027 }
4028
4029 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4030 cleanup_add_fd, NULL, NULL)) {
4031 exit(1);
4032 }
4033 #endif
4034
4035 current_machine = MACHINE(object_new(object_class_get_name(
4036 OBJECT_CLASS(machine_class))));
4037 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4038 exit(0);
4039 }
4040 object_property_add_child(object_get_root(), "machine",
4041 OBJECT(current_machine), &error_abort);
4042
4043 if (machine_class->minimum_page_bits) {
4044 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4045 /* This would be a board error: specifying a minimum smaller than
4046 * a target's compile-time fixed setting.
4047 */
4048 g_assert_not_reached();
4049 }
4050 }
4051
4052 cpu_exec_init_all();
4053
4054 if (machine_class->hw_version) {
4055 qemu_set_hw_version(machine_class->hw_version);
4056 }
4057
4058 if (cpu_model && is_help_option(cpu_model)) {
4059 list_cpus(stdout, &fprintf, cpu_model);
4060 exit(0);
4061 }
4062
4063 if (!trace_init_backends()) {
4064 exit(1);
4065 }
4066 trace_init_file(trace_file);
4067
4068 /* Open the logfile at this point and set the log mask if necessary.
4069 */
4070 if (log_file) {
4071 qemu_set_log_filename(log_file, &error_fatal);
4072 }
4073
4074 if (log_mask) {
4075 int mask;
4076 mask = qemu_str_to_log_mask(log_mask);
4077 if (!mask) {
4078 qemu_print_log_usage(stdout);
4079 exit(1);
4080 }
4081 qemu_set_log(mask);
4082 } else {
4083 qemu_set_log(0);
4084 }
4085
4086 /* If no data_dir is specified then try to find it relative to the
4087 executable path. */
4088 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4089 data_dir[data_dir_idx] = os_find_datadir();
4090 if (data_dir[data_dir_idx] != NULL) {
4091 data_dir_idx++;
4092 }
4093 }
4094 /* If all else fails use the install path specified when building. */
4095 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4096 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4097 }
4098
4099 /* -L help lists the data directories and exits. */
4100 if (list_data_dirs) {
4101 for (i = 0; i < data_dir_idx; i++) {
4102 printf("%s\n", data_dir[i]);
4103 }
4104 exit(0);
4105 }
4106
4107 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4108
4109 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4110 if (max_cpus > machine_class->max_cpus) {
4111 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4112 "supported by machine '%s' (%d)", max_cpus,
4113 machine_class->name, machine_class->max_cpus);
4114 exit(1);
4115 }
4116
4117 /*
4118 * Get the default machine options from the machine if it is not already
4119 * specified either by the configuration file or by the command line.
4120 */
4121 if (machine_class->default_machine_opts) {
4122 qemu_opts_set_defaults(qemu_find_opts("machine"),
4123 machine_class->default_machine_opts, 0);
4124 }
4125
4126 qemu_opts_foreach(qemu_find_opts("device"),
4127 default_driver_check, NULL, NULL);
4128 qemu_opts_foreach(qemu_find_opts("global"),
4129 default_driver_check, NULL, NULL);
4130
4131 if (!vga_model && !default_vga) {
4132 vga_interface_type = VGA_DEVICE;
4133 }
4134 if (!has_defaults || machine_class->no_serial) {
4135 default_serial = 0;
4136 }
4137 if (!has_defaults || machine_class->no_parallel) {
4138 default_parallel = 0;
4139 }
4140 if (!has_defaults || !machine_class->use_virtcon) {
4141 default_virtcon = 0;
4142 }
4143 if (!has_defaults || !machine_class->use_sclp) {
4144 default_sclp = 0;
4145 }
4146 if (!has_defaults || machine_class->no_floppy) {
4147 default_floppy = 0;
4148 }
4149 if (!has_defaults || machine_class->no_cdrom) {
4150 default_cdrom = 0;
4151 }
4152 if (!has_defaults || machine_class->no_sdcard) {
4153 default_sdcard = 0;
4154 }
4155 if (!has_defaults) {
4156 default_monitor = 0;
4157 default_net = 0;
4158 default_vga = 0;
4159 }
4160
4161 if (is_daemonized()) {
4162 /* According to documentation and historically, -nographic redirects
4163 * serial port, parallel port and monitor to stdio, which does not work
4164 * with -daemonize. We can redirect these to null instead, but since
4165 * -nographic is legacy, let's just error out.
4166 * We disallow -nographic only if all other ports are not redirected
4167 * explicitly, to not break existing legacy setups which uses
4168 * -nographic _and_ redirects all ports explicitly - this is valid
4169 * usage, -nographic is just a no-op in this case.
4170 */
4171 if (nographic
4172 && (default_parallel || default_serial
4173 || default_monitor || default_virtcon)) {
4174 error_report("-nographic cannot be used with -daemonize");
4175 exit(1);
4176 }
4177 #ifdef CONFIG_CURSES
4178 if (display_type == DT_CURSES) {
4179 error_report("curses display cannot be used with -daemonize");
4180 exit(1);
4181 }
4182 #endif
4183 }
4184
4185 if (nographic) {
4186 if (default_parallel)
4187 add_device_config(DEV_PARALLEL, "null");
4188 if (default_serial && default_monitor) {
4189 add_device_config(DEV_SERIAL, "mon:stdio");
4190 } else if (default_virtcon && default_monitor) {
4191 add_device_config(DEV_VIRTCON, "mon:stdio");
4192 } else if (default_sclp && default_monitor) {
4193 add_device_config(DEV_SCLP, "mon:stdio");
4194 } else {
4195 if (default_serial)
4196 add_device_config(DEV_SERIAL, "stdio");
4197 if (default_virtcon)
4198 add_device_config(DEV_VIRTCON, "stdio");
4199 if (default_sclp) {
4200 add_device_config(DEV_SCLP, "stdio");
4201 }
4202 if (default_monitor)
4203 monitor_parse("stdio", "readline", false);
4204 }
4205 } else {
4206 if (default_serial)
4207 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4208 if (default_parallel)
4209 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4210 if (default_monitor)
4211 monitor_parse("vc:80Cx24C", "readline", false);
4212 if (default_virtcon)
4213 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4214 if (default_sclp) {
4215 add_device_config(DEV_SCLP, "vc:80Cx24C");
4216 }
4217 }
4218
4219 #if defined(CONFIG_VNC)
4220 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4221 display_remote++;
4222 }
4223 #endif
4224 if (display_type == DT_DEFAULT && !display_remote) {
4225 #if defined(CONFIG_GTK)
4226 display_type = DT_GTK;
4227 #elif defined(CONFIG_SDL)
4228 display_type = DT_SDL;
4229 #elif defined(CONFIG_COCOA)
4230 display_type = DT_COCOA;
4231 #elif defined(CONFIG_VNC)
4232 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4233 #else
4234 display_type = DT_NONE;
4235 #endif
4236 }
4237
4238 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4239 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4240 "for SDL, ignoring option");
4241 }
4242 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4243 error_report("-no-quit is only valid for GTK and SDL, "
4244 "ignoring option");
4245 }
4246
4247 if (display_type == DT_GTK) {
4248 early_gtk_display_init(request_opengl);
4249 }
4250
4251 if (display_type == DT_SDL) {
4252 sdl_display_early_init(request_opengl);
4253 }
4254
4255 qemu_console_early_init();
4256
4257 if (request_opengl == 1 && display_opengl == 0) {
4258 #if defined(CONFIG_OPENGL)
4259 error_report("OpenGL is not supported by the display");
4260 #else
4261 error_report("OpenGL support is disabled");
4262 #endif
4263 exit(1);
4264 }
4265
4266 page_size_init();
4267 socket_init();
4268
4269 if (qemu_opts_foreach(qemu_find_opts("object"),
4270 user_creatable_add_opts_foreach,
4271 object_create_initial, NULL)) {
4272 exit(1);
4273 }
4274
4275 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4276 chardev_init_func, NULL, NULL)) {
4277 exit(1);
4278 }
4279
4280 #ifdef CONFIG_VIRTFS
4281 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4282 fsdev_init_func, NULL, NULL)) {
4283 exit(1);
4284 }
4285 #endif
4286
4287 if (qemu_opts_foreach(qemu_find_opts("device"),
4288 device_help_func, NULL, NULL)) {
4289 exit(0);
4290 }
4291
4292 machine_opts = qemu_get_machine_opts();
4293 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4294 NULL)) {
4295 object_unref(OBJECT(current_machine));
4296 exit(1);
4297 }
4298
4299 configure_accelerator(current_machine);
4300
4301 if (qtest_chrdev) {
4302 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4303 }
4304
4305 machine_opts = qemu_get_machine_opts();
4306 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4307 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4308 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4309 bios_name = qemu_opt_get(machine_opts, "firmware");
4310
4311 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4312 if (opts) {
4313 boot_order = qemu_opt_get(opts, "order");
4314 if (boot_order) {
4315 validate_bootdevices(boot_order, &error_fatal);
4316 }
4317
4318 boot_once = qemu_opt_get(opts, "once");
4319 if (boot_once) {
4320 validate_bootdevices(boot_once, &error_fatal);
4321 }
4322
4323 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4324 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4325 }
4326
4327 if (!boot_order) {
4328 boot_order = machine_class->default_boot_order;
4329 }
4330
4331 if (!kernel_cmdline) {
4332 kernel_cmdline = "";
4333 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4334 }
4335
4336 linux_boot = (kernel_filename != NULL);
4337
4338 if (!linux_boot && *kernel_cmdline != '\0') {
4339 error_report("-append only allowed with -kernel option");
4340 exit(1);
4341 }
4342
4343 if (!linux_boot && initrd_filename != NULL) {
4344 error_report("-initrd only allowed with -kernel option");
4345 exit(1);
4346 }
4347
4348 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4349 /* fall back to the -kernel/-append */
4350 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4351 }
4352
4353 os_set_line_buffering();
4354
4355 /* spice needs the timers to be initialized by this point */
4356 qemu_spice_init();
4357
4358 cpu_ticks_init();
4359 if (icount_opts) {
4360 if (!tcg_enabled()) {
4361 error_report("-icount is not allowed with hardware virtualization");
4362 exit(1);
4363 }
4364 configure_icount(icount_opts, &error_abort);
4365 qemu_opts_del(icount_opts);
4366 }
4367
4368 if (default_net) {
4369 QemuOptsList *net = qemu_find_opts("net");
4370 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4371 #ifdef CONFIG_SLIRP
4372 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4373 #endif
4374 }
4375
4376 colo_info_init();
4377
4378 if (net_init_clients() < 0) {
4379 exit(1);
4380 }
4381
4382 if (qemu_opts_foreach(qemu_find_opts("object"),
4383 user_creatable_add_opts_foreach,
4384 object_create_delayed, NULL)) {
4385 exit(1);
4386 }
4387
4388 #ifdef CONFIG_TPM
4389 if (tpm_init() < 0) {
4390 exit(1);
4391 }
4392 #endif
4393
4394 /* init the bluetooth world */
4395 if (foreach_device_config(DEV_BT, bt_parse))
4396 exit(1);
4397
4398 if (!xen_enabled()) {
4399 /* On 32-bit hosts, QEMU is limited by virtual address space */
4400 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4401 error_report("at most 2047 MB RAM can be simulated");
4402 exit(1);
4403 }
4404 }
4405
4406 blk_mig_init();
4407 ram_mig_init();
4408
4409 /* If the currently selected machine wishes to override the units-per-bus
4410 * property of its default HBA interface type, do so now. */
4411 if (machine_class->units_per_default_bus) {
4412 override_max_devs(machine_class->block_default_type,
4413 machine_class->units_per_default_bus);
4414 }
4415
4416 /* open the virtual block devices */
4417 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4418 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4419 NULL, NULL);
4420 }
4421 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4422 &machine_class->block_default_type, NULL)) {
4423 exit(1);
4424 }
4425
4426 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4427 CDROM_OPTS);
4428 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4429 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4430
4431 parse_numa_opts(machine_class);
4432
4433 if (qemu_opts_foreach(qemu_find_opts("mon"),
4434 mon_init_func, NULL, NULL)) {
4435 exit(1);
4436 }
4437
4438 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4439 exit(1);
4440 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4441 exit(1);
4442 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4443 exit(1);
4444 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4445 exit(1);
4446 }
4447 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4448 exit(1);
4449
4450 /* If no default VGA is requested, the default is "none". */
4451 if (default_vga) {
4452 if (machine_class->default_display) {
4453 vga_model = machine_class->default_display;
4454 } else if (vga_interface_available(VGA_CIRRUS)) {
4455 vga_model = "cirrus";
4456 } else if (vga_interface_available(VGA_STD)) {
4457 vga_model = "std";
4458 }
4459 }
4460 if (vga_model) {
4461 select_vgahw(vga_model);
4462 }
4463
4464 if (watchdog) {
4465 i = select_watchdog(watchdog);
4466 if (i > 0)
4467 exit (i == 1 ? 1 : 0);
4468 }
4469
4470 machine_register_compat_props(current_machine);
4471
4472 qemu_opts_foreach(qemu_find_opts("global"),
4473 global_init_func, NULL, NULL);
4474
4475 /* This checkpoint is required by replay to separate prior clock
4476 reading from the other reads, because timer polling functions query
4477 clock values from the log. */
4478 replay_checkpoint(CHECKPOINT_INIT);
4479 qdev_machine_init();
4480
4481 current_machine->ram_size = ram_size;
4482 current_machine->maxram_size = maxram_size;
4483 current_machine->ram_slots = ram_slots;
4484 current_machine->boot_order = boot_order;
4485 current_machine->cpu_model = cpu_model;
4486
4487 machine_class->init(current_machine);
4488
4489 realtime_init();
4490
4491 audio_init();
4492
4493 cpu_synchronize_all_post_init();
4494
4495 if (hax_enabled()) {
4496 hax_sync_vcpus();
4497 }
4498
4499 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4500 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4501 exit(1);
4502 }
4503
4504 /* init USB devices */
4505 if (machine_usb(current_machine)) {
4506 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4507 exit(1);
4508 }
4509
4510 /* Check if IGD GFX passthrough. */
4511 igd_gfx_passthru();
4512
4513 /* init generic devices */
4514 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4515 if (qemu_opts_foreach(qemu_find_opts("device"),
4516 device_init_func, NULL, NULL)) {
4517 exit(1);
4518 }
4519
4520 numa_post_machine_init();
4521
4522 rom_reset_order_override();
4523
4524 /* Did we create any drives that we failed to create a device for? */
4525 drive_check_orphaned();
4526
4527 /* Don't warn about the default network setup that you get if
4528 * no command line -net or -netdev options are specified. There
4529 * are two cases that we would otherwise complain about:
4530 * (1) board doesn't support a NIC but the implicit "-net nic"
4531 * requested one
4532 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4533 * sets up a nic that isn't connected to anything.
4534 */
4535 if (!default_net) {
4536 net_check_clients();
4537 }
4538
4539
4540 if (boot_once) {
4541 qemu_boot_set(boot_once, &error_fatal);
4542 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4543 }
4544
4545 ds = init_displaystate();
4546
4547 /* init local displays */
4548 switch (display_type) {
4549 case DT_CURSES:
4550 curses_display_init(ds, full_screen);
4551 break;
4552 case DT_SDL:
4553 sdl_display_init(ds, full_screen, no_frame);
4554 break;
4555 case DT_COCOA:
4556 cocoa_display_init(ds, full_screen);
4557 break;
4558 case DT_GTK:
4559 gtk_display_init(ds, full_screen, grab_on_hover);
4560 break;
4561 default:
4562 break;
4563 }
4564
4565 /* must be after terminal init, SDL library changes signal handlers */
4566 os_setup_signal_handling();
4567
4568 /* init remote displays */
4569 #ifdef CONFIG_VNC
4570 qemu_opts_foreach(qemu_find_opts("vnc"),
4571 vnc_init_func, NULL, NULL);
4572 #endif
4573
4574 if (using_spice) {
4575 qemu_spice_display_init();
4576 }
4577
4578 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4579 exit(1);
4580 }
4581
4582 qdev_machine_creation_done();
4583
4584 /* TODO: once all bus devices are qdevified, this should be done
4585 * when bus is created by qdev.c */
4586 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4587 qemu_run_machine_init_done_notifiers();
4588
4589 if (rom_check_and_register_reset() != 0) {
4590 error_report("rom check and register reset failed");
4591 exit(1);
4592 }
4593
4594 replay_start();
4595
4596 /* This checkpoint is required by replay to separate prior clock
4597 reading from the other reads, because timer polling functions query
4598 clock values from the log. */
4599 replay_checkpoint(CHECKPOINT_RESET);
4600 qemu_system_reset(VMRESET_SILENT);
4601 register_global_state();
4602 if (replay_mode != REPLAY_MODE_NONE) {
4603 replay_vmstate_init();
4604 } else if (loadvm) {
4605 if (load_vmstate(loadvm) < 0) {
4606 autostart = 0;
4607 }
4608 }
4609
4610 qdev_prop_check_globals();
4611 if (vmstate_dump_file) {
4612 /* dump and exit */
4613 dump_vmstate_json_to_file(vmstate_dump_file);
4614 return 0;
4615 }
4616
4617 if (incoming) {
4618 Error *local_err = NULL;
4619 qemu_start_incoming_migration(incoming, &local_err);
4620 if (local_err) {
4621 error_reportf_err(local_err, "-incoming %s: ", incoming);
4622 exit(1);
4623 }
4624 } else if (autostart) {
4625 vm_start();
4626 }
4627
4628 os_setup_post();
4629
4630 main_loop();
4631 replay_disable_events();
4632 iothread_stop_all();
4633
4634 bdrv_close_all();
4635 pause_all_vcpus();
4636 res_free();
4637
4638 /* vhost-user must be cleaned up before chardevs. */
4639 net_cleanup();
4640 audio_cleanup();
4641 monitor_cleanup();
4642 qemu_chr_cleanup();
4643
4644 return 0;
4645 }
AR7 emulation for QEMU