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target-ppc: add slbsync implementation
[qemu/rayw.git] / vl.c
blobb5d0a19811e0909e30df1c87548c5a6aa4551ab3
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/scsi/scsi.h"
66 #include "hw/bt.h"
67 #include "sysemu/watchdog.h"
68 #include "hw/smbios/smbios.h"
69 #include "hw/acpi/acpi.h"
70 #include "hw/xen/xen.h"
71 #include "hw/qdev.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
75 #include "net/net.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
79 #include "ui/input.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "qemu/log.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/cpus.h"
95 #include "migration/colo.h"
96 #include "sysemu/kvm.h"
97 #include "sysemu/hax.h"
98 #include "qapi/qmp/qjson.h"
99 #include "qemu/option.h"
100 #include "qemu/config-file.h"
101 #include "qemu-options.h"
102 #include "qmp-commands.h"
103 #include "qemu/main-loop.h"
104 #ifdef CONFIG_VIRTFS
105 #include "fsdev/qemu-fsdev.h"
106 #endif
107 #include "sysemu/qtest.h"
108
109 #include "disas/disas.h"
110
111
112 #include "slirp/libslirp.h"
113
114 #include "trace-root.h"
115 #include "trace/control.h"
116 #include "qemu/queue.h"
117 #include "sysemu/arch_init.h"
118
119 #include "ui/qemu-spice.h"
120 #include "qapi/string-input-visitor.h"
121 #include "qapi/opts-visitor.h"
122 #include "qom/object_interfaces.h"
123 #include "qapi-event.h"
124 #include "exec/semihost.h"
125 #include "crypto/init.h"
126 #include "sysemu/replay.h"
127 #include "qapi/qmp/qerror.h"
128 #include "sysemu/iothread.h"
129
130 #define MAX_VIRTIO_CONSOLES 1
131 #define MAX_SCLP_CONSOLES 1
132
133 static const char *data_dir[16];
134 static int data_dir_idx;
135 const char *bios_name = NULL;
136 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
137 int request_opengl = -1;
138 int display_opengl;
139 const char* keyboard_layout = NULL;
140 ram_addr_t ram_size;
141 const char *mem_path = NULL;
142 int mem_prealloc = 0; /* force preallocation of physical target memory */
143 bool enable_mlock = false;
144 int nb_nics;
145 NICInfo nd_table[MAX_NICS];
146 int autostart;
147 static int rtc_utc = 1;
148 static int rtc_date_offset = -1; /* -1 means no change */
149 QEMUClockType rtc_clock;
150 int vga_interface_type = VGA_NONE;
151 static int full_screen = 0;
152 static int no_frame = 0;
153 int no_quit = 0;
154 static bool grab_on_hover;
155 Chardev *serial_hds[MAX_SERIAL_PORTS];
156 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
157 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
158 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
159 int win2k_install_hack = 0;
160 int singlestep = 0;
161 int smp_cpus = 1;
162 int max_cpus = 1;
163 int smp_cores = 1;
164 int smp_threads = 1;
165 int acpi_enabled = 1;
166 int no_hpet = 0;
167 int fd_bootchk = 1;
168 static int no_reboot;
169 int no_shutdown = 0;
170 int cursor_hide = 1;
171 int graphic_rotate = 0;
172 const char *watchdog;
173 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
174 int nb_option_roms;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186 int only_migratable; /* turn it off unless user states otherwise */
187
188 int icount_align_option;
189
190 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 */
193 QemuUUID qemu_uuid;
194 bool qemu_uuid_set;
195
196 static NotifierList exit_notifiers =
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198
199 static NotifierList machine_init_done_notifiers =
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
201
202 bool xen_allowed;
203 uint32_t xen_domid;
204 enum xen_mode xen_mode = XEN_EMULATE;
205
206 static int has_defaults = 1;
207 static int default_serial = 1;
208 static int default_parallel = 1;
209 static int default_virtcon = 1;
210 static int default_sclp = 1;
211 static int default_monitor = 1;
212 static int default_floppy = 1;
213 static int default_cdrom = 1;
214 static int default_sdcard = 1;
215 static int default_vga = 1;
216 static int default_net = 1;
217
218 static struct {
219 const char *driver;
220 int *flag;
221 } default_list[] = {
222 { .driver = "isa-serial", .flag = &default_serial },
223 { .driver = "isa-parallel", .flag = &default_parallel },
224 { .driver = "isa-fdc", .flag = &default_floppy },
225 { .driver = "floppy", .flag = &default_floppy },
226 { .driver = "ide-cd", .flag = &default_cdrom },
227 { .driver = "ide-hd", .flag = &default_cdrom },
228 { .driver = "ide-drive", .flag = &default_cdrom },
229 { .driver = "scsi-cd", .flag = &default_cdrom },
230 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
231 { .driver = "virtio-serial", .flag = &default_virtcon },
232 { .driver = "VGA", .flag = &default_vga },
233 { .driver = "isa-vga", .flag = &default_vga },
234 { .driver = "cirrus-vga", .flag = &default_vga },
235 { .driver = "isa-cirrus-vga", .flag = &default_vga },
236 { .driver = "vmware-svga", .flag = &default_vga },
237 { .driver = "qxl-vga", .flag = &default_vga },
238 { .driver = "virtio-vga", .flag = &default_vga },
239 };
240
241 static QemuOptsList qemu_rtc_opts = {
242 .name = "rtc",
243 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
244 .desc = {
245 {
246 .name = "base",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "clock",
250 .type = QEMU_OPT_STRING,
251 },{
252 .name = "driftfix",
253 .type = QEMU_OPT_STRING,
254 },
255 { /* end of list */ }
256 },
257 };
258
259 static QemuOptsList qemu_sandbox_opts = {
260 .name = "sandbox",
261 .implied_opt_name = "enable",
262 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
263 .desc = {
264 {
265 .name = "enable",
266 .type = QEMU_OPT_BOOL,
267 },
268 { /* end of list */ }
269 },
270 };
271
272 static QemuOptsList qemu_option_rom_opts = {
273 .name = "option-rom",
274 .implied_opt_name = "romfile",
275 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
276 .desc = {
277 {
278 .name = "bootindex",
279 .type = QEMU_OPT_NUMBER,
280 }, {
281 .name = "romfile",
282 .type = QEMU_OPT_STRING,
283 },
284 { /* end of list */ }
285 },
286 };
287
288 static QemuOptsList qemu_machine_opts = {
289 .name = "machine",
290 .implied_opt_name = "type",
291 .merge_lists = true,
292 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
293 .desc = {
294 /*
295 * no elements => accept any
296 * sanity checking will happen later
297 * when setting machine properties
298 */
299 { }
300 },
301 };
302
303 static QemuOptsList qemu_boot_opts = {
304 .name = "boot-opts",
305 .implied_opt_name = "order",
306 .merge_lists = true,
307 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
308 .desc = {
309 {
310 .name = "order",
311 .type = QEMU_OPT_STRING,
312 }, {
313 .name = "once",
314 .type = QEMU_OPT_STRING,
315 }, {
316 .name = "menu",
317 .type = QEMU_OPT_BOOL,
318 }, {
319 .name = "splash",
320 .type = QEMU_OPT_STRING,
321 }, {
322 .name = "splash-time",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "reboot-timeout",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "strict",
329 .type = QEMU_OPT_BOOL,
330 },
331 { /*End of list */ }
332 },
333 };
334
335 static QemuOptsList qemu_add_fd_opts = {
336 .name = "add-fd",
337 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
338 .desc = {
339 {
340 .name = "fd",
341 .type = QEMU_OPT_NUMBER,
342 .help = "file descriptor of which a duplicate is added to fd set",
343 },{
344 .name = "set",
345 .type = QEMU_OPT_NUMBER,
346 .help = "ID of the fd set to add fd to",
347 },{
348 .name = "opaque",
349 .type = QEMU_OPT_STRING,
350 .help = "free-form string used to describe fd",
351 },
352 { /* end of list */ }
353 },
354 };
355
356 static QemuOptsList qemu_object_opts = {
357 .name = "object",
358 .implied_opt_name = "qom-type",
359 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
360 .desc = {
361 { }
362 },
363 };
364
365 static QemuOptsList qemu_tpmdev_opts = {
366 .name = "tpmdev",
367 .implied_opt_name = "type",
368 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
369 .desc = {
370 /* options are defined in the TPM backends */
371 { /* end of list */ }
372 },
373 };
374
375 static QemuOptsList qemu_realtime_opts = {
376 .name = "realtime",
377 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
378 .desc = {
379 {
380 .name = "mlock",
381 .type = QEMU_OPT_BOOL,
382 },
383 { /* end of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_msg_opts = {
388 .name = "msg",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
390 .desc = {
391 {
392 .name = "timestamp",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_name_opts = {
400 .name = "name",
401 .implied_opt_name = "guest",
402 .merge_lists = true,
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
404 .desc = {
405 {
406 .name = "guest",
407 .type = QEMU_OPT_STRING,
408 .help = "Sets the name of the guest.\n"
409 "This name will be displayed in the SDL window caption.\n"
410 "The name will also be used for the VNC server",
411 }, {
412 .name = "process",
413 .type = QEMU_OPT_STRING,
414 .help = "Sets the name of the QEMU process, as shown in top etc",
415 }, {
416 .name = "debug-threads",
417 .type = QEMU_OPT_BOOL,
418 .help = "When enabled, name the individual threads; defaults off.\n"
419 "NOTE: The thread names are for debugging and not a\n"
420 "stable API.",
421 },
422 { /* End of list */ }
423 },
424 };
425
426 static QemuOptsList qemu_mem_opts = {
427 .name = "memory",
428 .implied_opt_name = "size",
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
430 .merge_lists = true,
431 .desc = {
432 {
433 .name = "size",
434 .type = QEMU_OPT_SIZE,
435 },
436 {
437 .name = "slots",
438 .type = QEMU_OPT_NUMBER,
439 },
440 {
441 .name = "maxmem",
442 .type = QEMU_OPT_SIZE,
443 },
444 { /* end of list */ }
445 },
446 };
447
448 static QemuOptsList qemu_icount_opts = {
449 .name = "icount",
450 .implied_opt_name = "shift",
451 .merge_lists = true,
452 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
453 .desc = {
454 {
455 .name = "shift",
456 .type = QEMU_OPT_STRING,
457 }, {
458 .name = "align",
459 .type = QEMU_OPT_BOOL,
460 }, {
461 .name = "sleep",
462 .type = QEMU_OPT_BOOL,
463 }, {
464 .name = "rr",
465 .type = QEMU_OPT_STRING,
466 }, {
467 .name = "rrfile",
468 .type = QEMU_OPT_STRING,
469 }, {
470 .name = "rrsnapshot",
471 .type = QEMU_OPT_STRING,
472 },
473 { /* end of list */ }
474 },
475 };
476
477 static QemuOptsList qemu_semihosting_config_opts = {
478 .name = "semihosting-config",
479 .implied_opt_name = "enable",
480 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
481 .desc = {
482 {
483 .name = "enable",
484 .type = QEMU_OPT_BOOL,
485 }, {
486 .name = "target",
487 .type = QEMU_OPT_STRING,
488 }, {
489 .name = "arg",
490 .type = QEMU_OPT_STRING,
491 },
492 { /* end of list */ }
493 },
494 };
495
496 static QemuOptsList qemu_fw_cfg_opts = {
497 .name = "fw_cfg",
498 .implied_opt_name = "name",
499 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
500 .desc = {
501 {
502 .name = "name",
503 .type = QEMU_OPT_STRING,
504 .help = "Sets the fw_cfg name of the blob to be inserted",
505 }, {
506 .name = "file",
507 .type = QEMU_OPT_STRING,
508 .help = "Sets the name of the file from which\n"
509 "the fw_cfg blob will be loaded",
510 }, {
511 .name = "string",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets content of the blob to be inserted from a string",
514 },
515 { /* end of list */ }
516 },
517 };
518
519 /**
520 * Get machine options
521 *
522 * Returns: machine options (never null).
523 */
524 QemuOpts *qemu_get_machine_opts(void)
525 {
526 return qemu_find_opts_singleton("machine");
527 }
528
529 const char *qemu_get_vm_name(void)
530 {
531 return qemu_name;
532 }
533
534 static void res_free(void)
535 {
536 g_free(boot_splash_filedata);
537 boot_splash_filedata = NULL;
538 }
539
540 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
541 {
542 const char *driver = qemu_opt_get(opts, "driver");
543 int i;
544
545 if (!driver)
546 return 0;
547 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
548 if (strcmp(default_list[i].driver, driver) != 0)
549 continue;
550 *(default_list[i].flag) = 0;
551 }
552 return 0;
553 }
554
555 /***********************************************************/
556 /* QEMU state */
557
558 static RunState current_run_state = RUN_STATE_PRELAUNCH;
559
560 /* We use RUN_STATE__MAX but any invalid value will do */
561 static RunState vmstop_requested = RUN_STATE__MAX;
562 static QemuMutex vmstop_lock;
563
564 typedef struct {
565 RunState from;
566 RunState to;
567 } RunStateTransition;
568
569 static const RunStateTransition runstate_transitions_def[] = {
570 /* from -> to */
571 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
572 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
573 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
574
575 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
576 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
577 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
578 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
579 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
580 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
581 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
582 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
583 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
585 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
586 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
587
588 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
589 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
590 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
591
592 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
593 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
594 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
595
596 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
597 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
599 { RUN_STATE_PAUSED, RUN_STATE_COLO},
600
601 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
602 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
606 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
607 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
608
609 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
611 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
612 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
613
614 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
615 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
616
617 { RUN_STATE_COLO, RUN_STATE_RUNNING },
618
619 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
620 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
621 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
622 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
623 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
625 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
626 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
627 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
628 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
629 { RUN_STATE_RUNNING, RUN_STATE_COLO},
630
631 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
632
633 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
634 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
636
637 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
638 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
639 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
640 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
641 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
642 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
643
644 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
645 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
646 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
647 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
648
649 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
650 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
652
653 { RUN_STATE__MAX, RUN_STATE__MAX },
654 };
655
656 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
657
658 bool runstate_check(RunState state)
659 {
660 return current_run_state == state;
661 }
662
663 bool runstate_store(char *str, size_t size)
664 {
665 const char *state = RunState_lookup[current_run_state];
666 size_t len = strlen(state) + 1;
667
668 if (len > size) {
669 return false;
670 }
671 memcpy(str, state, len);
672 return true;
673 }
674
675 static void runstate_init(void)
676 {
677 const RunStateTransition *p;
678
679 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
680 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
681 runstate_valid_transitions[p->from][p->to] = true;
682 }
683
684 qemu_mutex_init(&vmstop_lock);
685 }
686
687 /* This function will abort() on invalid state transitions */
688 void runstate_set(RunState new_state)
689 {
690 assert(new_state < RUN_STATE__MAX);
691
692 if (current_run_state == new_state) {
693 return;
694 }
695
696 if (!runstate_valid_transitions[current_run_state][new_state]) {
697 error_report("invalid runstate transition: '%s' -> '%s'",
698 RunState_lookup[current_run_state],
699 RunState_lookup[new_state]);
700 abort();
701 }
702 trace_runstate_set(new_state);
703 current_run_state = new_state;
704 }
705
706 int runstate_is_running(void)
707 {
708 return runstate_check(RUN_STATE_RUNNING);
709 }
710
711 bool runstate_needs_reset(void)
712 {
713 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
714 runstate_check(RUN_STATE_SHUTDOWN);
715 }
716
717 StatusInfo *qmp_query_status(Error **errp)
718 {
719 StatusInfo *info = g_malloc0(sizeof(*info));
720
721 info->running = runstate_is_running();
722 info->singlestep = singlestep;
723 info->status = current_run_state;
724
725 return info;
726 }
727
728 bool qemu_vmstop_requested(RunState *r)
729 {
730 qemu_mutex_lock(&vmstop_lock);
731 *r = vmstop_requested;
732 vmstop_requested = RUN_STATE__MAX;
733 qemu_mutex_unlock(&vmstop_lock);
734 return *r < RUN_STATE__MAX;
735 }
736
737 void qemu_system_vmstop_request_prepare(void)
738 {
739 qemu_mutex_lock(&vmstop_lock);
740 }
741
742 void qemu_system_vmstop_request(RunState state)
743 {
744 vmstop_requested = state;
745 qemu_mutex_unlock(&vmstop_lock);
746 qemu_notify_event();
747 }
748
749 /***********************************************************/
750 /* real time host monotonic timer */
751
752 static time_t qemu_time(void)
753 {
754 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
755 }
756
757 /***********************************************************/
758 /* host time/date access */
759 void qemu_get_timedate(struct tm *tm, int offset)
760 {
761 time_t ti = qemu_time();
762
763 ti += offset;
764 if (rtc_date_offset == -1) {
765 if (rtc_utc)
766 gmtime_r(&ti, tm);
767 else
768 localtime_r(&ti, tm);
769 } else {
770 ti -= rtc_date_offset;
771 gmtime_r(&ti, tm);
772 }
773 }
774
775 int qemu_timedate_diff(struct tm *tm)
776 {
777 time_t seconds;
778
779 if (rtc_date_offset == -1)
780 if (rtc_utc)
781 seconds = mktimegm(tm);
782 else {
783 struct tm tmp = *tm;
784 tmp.tm_isdst = -1; /* use timezone to figure it out */
785 seconds = mktime(&tmp);
786 }
787 else
788 seconds = mktimegm(tm) + rtc_date_offset;
789
790 return seconds - qemu_time();
791 }
792
793 static void configure_rtc_date_offset(const char *startdate, int legacy)
794 {
795 time_t rtc_start_date;
796 struct tm tm;
797
798 if (!strcmp(startdate, "now") && legacy) {
799 rtc_date_offset = -1;
800 } else {
801 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
802 &tm.tm_year,
803 &tm.tm_mon,
804 &tm.tm_mday,
805 &tm.tm_hour,
806 &tm.tm_min,
807 &tm.tm_sec) == 6) {
808 /* OK */
809 } else if (sscanf(startdate, "%d-%d-%d",
810 &tm.tm_year,
811 &tm.tm_mon,
812 &tm.tm_mday) == 3) {
813 tm.tm_hour = 0;
814 tm.tm_min = 0;
815 tm.tm_sec = 0;
816 } else {
817 goto date_fail;
818 }
819 tm.tm_year -= 1900;
820 tm.tm_mon--;
821 rtc_start_date = mktimegm(&tm);
822 if (rtc_start_date == -1) {
823 date_fail:
824 error_report("invalid date format");
825 error_printf("valid formats: "
826 "'2006-06-17T16:01:21' or '2006-06-17'\n");
827 exit(1);
828 }
829 rtc_date_offset = qemu_time() - rtc_start_date;
830 }
831 }
832
833 static void configure_rtc(QemuOpts *opts)
834 {
835 const char *value;
836
837 value = qemu_opt_get(opts, "base");
838 if (value) {
839 if (!strcmp(value, "utc")) {
840 rtc_utc = 1;
841 } else if (!strcmp(value, "localtime")) {
842 Error *blocker = NULL;
843 rtc_utc = 0;
844 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
845 "-rtc base=localtime");
846 replay_add_blocker(blocker);
847 } else {
848 configure_rtc_date_offset(value, 0);
849 }
850 }
851 value = qemu_opt_get(opts, "clock");
852 if (value) {
853 if (!strcmp(value, "host")) {
854 rtc_clock = QEMU_CLOCK_HOST;
855 } else if (!strcmp(value, "rt")) {
856 rtc_clock = QEMU_CLOCK_REALTIME;
857 } else if (!strcmp(value, "vm")) {
858 rtc_clock = QEMU_CLOCK_VIRTUAL;
859 } else {
860 error_report("invalid option value '%s'", value);
861 exit(1);
862 }
863 }
864 value = qemu_opt_get(opts, "driftfix");
865 if (value) {
866 if (!strcmp(value, "slew")) {
867 static GlobalProperty slew_lost_ticks = {
868 .driver = "mc146818rtc",
869 .property = "lost_tick_policy",
870 .value = "slew",
871 };
872
873 qdev_prop_register_global(&slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
876 } else {
877 error_report("invalid option value '%s'", value);
878 exit(1);
879 }
880 }
881 }
882
883 /***********************************************************/
884 /* Bluetooth support */
885 static int nb_hcis;
886 static int cur_hci;
887 static struct HCIInfo *hci_table[MAX_NICS];
888
889 struct HCIInfo *qemu_next_hci(void)
890 {
891 if (cur_hci == nb_hcis)
892 return &null_hci;
893
894 return hci_table[cur_hci++];
895 }
896
897 static int bt_hci_parse(const char *str)
898 {
899 struct HCIInfo *hci;
900 bdaddr_t bdaddr;
901
902 if (nb_hcis >= MAX_NICS) {
903 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
904 return -1;
905 }
906
907 hci = hci_init(str);
908 if (!hci)
909 return -1;
910
911 bdaddr.b[0] = 0x52;
912 bdaddr.b[1] = 0x54;
913 bdaddr.b[2] = 0x00;
914 bdaddr.b[3] = 0x12;
915 bdaddr.b[4] = 0x34;
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
918
919 hci_table[nb_hcis++] = hci;
920
921 return 0;
922 }
923
924 static void bt_vhci_add(int vlan_id)
925 {
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
927
928 if (!vlan->slave)
929 error_report("warning: adding a VHCI to an empty scatternet %i",
930 vlan_id);
931
932 bt_vhci_init(bt_new_hci(vlan));
933 }
934
935 static struct bt_device_s *bt_device_add(const char *opt)
936 {
937 struct bt_scatternet_s *vlan;
938 int vlan_id = 0;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
941 char devname[10];
942
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
944
945 if (endp) {
946 vlan_id = strtol(endp + 6, &endp, 0);
947 if (*endp) {
948 error_report("unrecognised bluetooth vlan Id");
949 return 0;
950 }
951 }
952
953 vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 error_report("warning: adding a slave device to an empty scatternet %i",
957 vlan_id);
958
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
961
962 error_report("unsupported bluetooth device '%s'", devname);
963 return 0;
964 }
965
966 static int bt_parse(const char *opt)
967 {
968 const char *endp, *p;
969 int vlan;
970
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
973 if (*endp)
974 if (!strstart(endp, ",vlan=", 0))
975 opt = endp + 1;
976
977 return bt_hci_parse(opt);
978 }
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
981 if (*endp) {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
984 if (*endp) {
985 error_report("bad scatternet '%s'", p);
986 return 1;
987 }
988 } else {
989 error_report("bad parameter '%s'", endp + 1);
990 return 1;
991 }
992 } else
993 vlan = 0;
994
995 bt_vhci_add(vlan);
996 return 0;
997 }
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1000
1001 error_report("bad bluetooth parameter '%s'", opt);
1002 return 1;
1003 }
1004
1005 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1006 {
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 error_report("failed to install seccomp syscall filter "
1012 "in the kernel");
1013 return -1;
1014 }
1015 #else
1016 error_report("seccomp support is disabled");
1017 return -1;
1018 #endif
1019 }
1020
1021 return 0;
1022 }
1023
1024 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1025 {
1026 const char *proc_name;
1027
1028 if (qemu_opt_get(opts, "debug-threads")) {
1029 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1030 }
1031 qemu_name = qemu_opt_get(opts, "guest");
1032
1033 proc_name = qemu_opt_get(opts, "process");
1034 if (proc_name) {
1035 os_set_proc_name(proc_name);
1036 }
1037
1038 return 0;
1039 }
1040
1041 bool defaults_enabled(void)
1042 {
1043 return has_defaults;
1044 }
1045
1046 #ifndef _WIN32
1047 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1048 {
1049 int fd, dupfd, flags;
1050 int64_t fdset_id;
1051 const char *fd_opaque = NULL;
1052 AddfdInfo *fdinfo;
1053
1054 fd = qemu_opt_get_number(opts, "fd", -1);
1055 fdset_id = qemu_opt_get_number(opts, "set", -1);
1056 fd_opaque = qemu_opt_get(opts, "opaque");
1057
1058 if (fd < 0) {
1059 error_report("fd option is required and must be non-negative");
1060 return -1;
1061 }
1062
1063 if (fd <= STDERR_FILENO) {
1064 error_report("fd cannot be a standard I/O stream");
1065 return -1;
1066 }
1067
1068 /*
1069 * All fds inherited across exec() necessarily have FD_CLOEXEC
1070 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1071 */
1072 flags = fcntl(fd, F_GETFD);
1073 if (flags == -1 || (flags & FD_CLOEXEC)) {
1074 error_report("fd is not valid or already in use");
1075 return -1;
1076 }
1077
1078 if (fdset_id < 0) {
1079 error_report("set option is required and must be non-negative");
1080 return -1;
1081 }
1082
1083 #ifdef F_DUPFD_CLOEXEC
1084 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1085 #else
1086 dupfd = dup(fd);
1087 if (dupfd != -1) {
1088 qemu_set_cloexec(dupfd);
1089 }
1090 #endif
1091 if (dupfd == -1) {
1092 error_report("error duplicating fd: %s", strerror(errno));
1093 return -1;
1094 }
1095
1096 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1097 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1098 &error_abort);
1099 g_free(fdinfo);
1100
1101 return 0;
1102 }
1103
1104 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1105 {
1106 int fd;
1107
1108 fd = qemu_opt_get_number(opts, "fd", -1);
1109 close(fd);
1110
1111 return 0;
1112 }
1113 #endif
1114
1115 /***********************************************************/
1116 /* QEMU Block devices */
1117
1118 #define HD_OPTS "media=disk"
1119 #define CDROM_OPTS "media=cdrom"
1120 #define FD_OPTS ""
1121 #define PFLASH_OPTS ""
1122 #define MTD_OPTS ""
1123 #define SD_OPTS ""
1124
1125 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1126 {
1127 BlockInterfaceType *block_default_type = opaque;
1128
1129 return drive_new(opts, *block_default_type) == NULL;
1130 }
1131
1132 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1133 {
1134 if (qemu_opt_get(opts, "snapshot") == NULL) {
1135 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1136 }
1137 return 0;
1138 }
1139
1140 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1141 int index, const char *optstr)
1142 {
1143 QemuOpts *opts;
1144 DriveInfo *dinfo;
1145
1146 if (!enable || drive_get_by_index(type, index)) {
1147 return;
1148 }
1149
1150 opts = drive_add(type, index, NULL, optstr);
1151 if (snapshot) {
1152 drive_enable_snapshot(NULL, opts, NULL);
1153 }
1154
1155 dinfo = drive_new(opts, type);
1156 if (!dinfo) {
1157 exit(1);
1158 }
1159 dinfo->is_default = true;
1160
1161 }
1162
1163 static QemuOptsList qemu_smp_opts = {
1164 .name = "smp-opts",
1165 .implied_opt_name = "cpus",
1166 .merge_lists = true,
1167 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1168 .desc = {
1169 {
1170 .name = "cpus",
1171 .type = QEMU_OPT_NUMBER,
1172 }, {
1173 .name = "sockets",
1174 .type = QEMU_OPT_NUMBER,
1175 }, {
1176 .name = "cores",
1177 .type = QEMU_OPT_NUMBER,
1178 }, {
1179 .name = "threads",
1180 .type = QEMU_OPT_NUMBER,
1181 }, {
1182 .name = "maxcpus",
1183 .type = QEMU_OPT_NUMBER,
1184 },
1185 { /*End of list */ }
1186 },
1187 };
1188
1189 static void smp_parse(QemuOpts *opts)
1190 {
1191 if (opts) {
1192 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1193 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1194 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1195 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1196
1197 /* compute missing values, prefer sockets over cores over threads */
1198 if (cpus == 0 || sockets == 0) {
1199 sockets = sockets > 0 ? sockets : 1;
1200 cores = cores > 0 ? cores : 1;
1201 threads = threads > 0 ? threads : 1;
1202 if (cpus == 0) {
1203 cpus = cores * threads * sockets;
1204 }
1205 } else if (cores == 0) {
1206 threads = threads > 0 ? threads : 1;
1207 cores = cpus / (sockets * threads);
1208 cores = cores > 0 ? cores : 1;
1209 } else if (threads == 0) {
1210 threads = cpus / (cores * sockets);
1211 threads = threads > 0 ? threads : 1;
1212 } else if (sockets * cores * threads < cpus) {
1213 error_report("cpu topology: "
1214 "sockets (%u) * cores (%u) * threads (%u) < "
1215 "smp_cpus (%u)",
1216 sockets, cores, threads, cpus);
1217 exit(1);
1218 }
1219
1220 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1221
1222 if (max_cpus < cpus) {
1223 error_report("maxcpus must be equal to or greater than smp");
1224 exit(1);
1225 }
1226
1227 if (sockets * cores * threads > max_cpus) {
1228 error_report("cpu topology: "
1229 "sockets (%u) * cores (%u) * threads (%u) > "
1230 "maxcpus (%u)",
1231 sockets, cores, threads, max_cpus);
1232 exit(1);
1233 }
1234
1235 smp_cpus = cpus;
1236 smp_cores = cores;
1237 smp_threads = threads;
1238 }
1239
1240 if (smp_cpus > 1) {
1241 Error *blocker = NULL;
1242 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1243 replay_add_blocker(blocker);
1244 }
1245 }
1246
1247 static void realtime_init(void)
1248 {
1249 if (enable_mlock) {
1250 if (os_mlock() < 0) {
1251 error_report("locking memory failed");
1252 exit(1);
1253 }
1254 }
1255 }
1256
1257
1258 static void configure_msg(QemuOpts *opts)
1259 {
1260 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1261 }
1262
1263 /***********************************************************/
1264 /* Semihosting */
1265
1266 typedef struct SemihostingConfig {
1267 bool enabled;
1268 SemihostingTarget target;
1269 const char **argv;
1270 int argc;
1271 const char *cmdline; /* concatenated argv */
1272 } SemihostingConfig;
1273
1274 static SemihostingConfig semihosting;
1275
1276 bool semihosting_enabled(void)
1277 {
1278 return semihosting.enabled;
1279 }
1280
1281 SemihostingTarget semihosting_get_target(void)
1282 {
1283 return semihosting.target;
1284 }
1285
1286 const char *semihosting_get_arg(int i)
1287 {
1288 if (i >= semihosting.argc) {
1289 return NULL;
1290 }
1291 return semihosting.argv[i];
1292 }
1293
1294 int semihosting_get_argc(void)
1295 {
1296 return semihosting.argc;
1297 }
1298
1299 const char *semihosting_get_cmdline(void)
1300 {
1301 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1302 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1303 }
1304 return semihosting.cmdline;
1305 }
1306
1307 static int add_semihosting_arg(void *opaque,
1308 const char *name, const char *val,
1309 Error **errp)
1310 {
1311 SemihostingConfig *s = opaque;
1312 if (strcmp(name, "arg") == 0) {
1313 s->argc++;
1314 /* one extra element as g_strjoinv() expects NULL-terminated array */
1315 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1316 s->argv[s->argc - 1] = val;
1317 s->argv[s->argc] = NULL;
1318 }
1319 return 0;
1320 }
1321
1322 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1323 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1324 {
1325 char *cmd_token;
1326
1327 /* argv[0] */
1328 add_semihosting_arg(&semihosting, "arg", file, NULL);
1329
1330 /* split -append and initialize argv[1..n] */
1331 cmd_token = strtok(g_strdup(cmd), " ");
1332 while (cmd_token) {
1333 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1334 cmd_token = strtok(NULL, " ");
1335 }
1336 }
1337
1338 /* Now we still need this for compatibility with XEN. */
1339 bool has_igd_gfx_passthru;
1340 static void igd_gfx_passthru(void)
1341 {
1342 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1343 }
1344
1345 /***********************************************************/
1346 /* USB devices */
1347
1348 static int usb_device_add(const char *devname)
1349 {
1350 USBDevice *dev = NULL;
1351 #ifndef CONFIG_LINUX
1352 const char *p;
1353 #endif
1354
1355 if (!machine_usb(current_machine)) {
1356 return -1;
1357 }
1358
1359 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1360 dev = usbdevice_create(devname);
1361 if (dev)
1362 goto done;
1363
1364 /* the other ones */
1365 #ifndef CONFIG_LINUX
1366 /* only the linux version is qdev-ified, usb-bsd still needs this */
1367 if (strstart(devname, "host:", &p)) {
1368 dev = usb_host_device_open(usb_bus_find(-1), p);
1369 }
1370 #endif
1371 if (!dev)
1372 return -1;
1373
1374 done:
1375 return 0;
1376 }
1377
1378 static int usb_device_del(const char *devname)
1379 {
1380 int bus_num, addr;
1381 const char *p;
1382
1383 if (strstart(devname, "host:", &p)) {
1384 return -1;
1385 }
1386
1387 if (!machine_usb(current_machine)) {
1388 return -1;
1389 }
1390
1391 p = strchr(devname, '.');
1392 if (!p)
1393 return -1;
1394 bus_num = strtoul(devname, NULL, 0);
1395 addr = strtoul(p + 1, NULL, 0);
1396
1397 return usb_device_delete_addr(bus_num, addr);
1398 }
1399
1400 static int usb_parse(const char *cmdline)
1401 {
1402 int r;
1403 r = usb_device_add(cmdline);
1404 if (r < 0) {
1405 error_report("could not add USB device '%s'", cmdline);
1406 }
1407 return r;
1408 }
1409
1410 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1411 {
1412 const char *devname = qdict_get_str(qdict, "devname");
1413 if (usb_device_add(devname) < 0) {
1414 error_report("could not add USB device '%s'", devname);
1415 }
1416 }
1417
1418 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1419 {
1420 const char *devname = qdict_get_str(qdict, "devname");
1421 if (usb_device_del(devname) < 0) {
1422 error_report("could not delete USB device '%s'", devname);
1423 }
1424 }
1425
1426 /***********************************************************/
1427 /* machine registration */
1428
1429 MachineState *current_machine;
1430
1431 static MachineClass *find_machine(const char *name)
1432 {
1433 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1434 MachineClass *mc = NULL;
1435
1436 for (el = machines; el; el = el->next) {
1437 MachineClass *temp = el->data;
1438
1439 if (!strcmp(temp->name, name)) {
1440 mc = temp;
1441 break;
1442 }
1443 if (temp->alias &&
1444 !strcmp(temp->alias, name)) {
1445 mc = temp;
1446 break;
1447 }
1448 }
1449
1450 g_slist_free(machines);
1451 return mc;
1452 }
1453
1454 MachineClass *find_default_machine(void)
1455 {
1456 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1457 MachineClass *mc = NULL;
1458
1459 for (el = machines; el; el = el->next) {
1460 MachineClass *temp = el->data;
1461
1462 if (temp->is_default) {
1463 mc = temp;
1464 break;
1465 }
1466 }
1467
1468 g_slist_free(machines);
1469 return mc;
1470 }
1471
1472 MachineInfoList *qmp_query_machines(Error **errp)
1473 {
1474 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1475 MachineInfoList *mach_list = NULL;
1476
1477 for (el = machines; el; el = el->next) {
1478 MachineClass *mc = el->data;
1479 MachineInfoList *entry;
1480 MachineInfo *info;
1481
1482 info = g_malloc0(sizeof(*info));
1483 if (mc->is_default) {
1484 info->has_is_default = true;
1485 info->is_default = true;
1486 }
1487
1488 if (mc->alias) {
1489 info->has_alias = true;
1490 info->alias = g_strdup(mc->alias);
1491 }
1492
1493 info->name = g_strdup(mc->name);
1494 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1495 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1496
1497 entry = g_malloc0(sizeof(*entry));
1498 entry->value = info;
1499 entry->next = mach_list;
1500 mach_list = entry;
1501 }
1502
1503 g_slist_free(machines);
1504 return mach_list;
1505 }
1506
1507 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1508 {
1509 ObjectProperty *prop;
1510 ObjectPropertyIterator iter;
1511
1512 if (!qemu_opt_has_help_opt(opts)) {
1513 return 0;
1514 }
1515
1516 object_property_iter_init(&iter, OBJECT(machine));
1517 while ((prop = object_property_iter_next(&iter))) {
1518 if (!prop->set) {
1519 continue;
1520 }
1521
1522 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1523 prop->name, prop->type);
1524 if (prop->description) {
1525 error_printf(" (%s)\n", prop->description);
1526 } else {
1527 error_printf("\n");
1528 }
1529 }
1530
1531 return 1;
1532 }
1533
1534 /***********************************************************/
1535 /* main execution loop */
1536
1537 struct vm_change_state_entry {
1538 VMChangeStateHandler *cb;
1539 void *opaque;
1540 QLIST_ENTRY (vm_change_state_entry) entries;
1541 };
1542
1543 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1544
1545 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1546 void *opaque)
1547 {
1548 VMChangeStateEntry *e;
1549
1550 e = g_malloc0(sizeof (*e));
1551
1552 e->cb = cb;
1553 e->opaque = opaque;
1554 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1555 return e;
1556 }
1557
1558 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1559 {
1560 QLIST_REMOVE (e, entries);
1561 g_free (e);
1562 }
1563
1564 void vm_state_notify(int running, RunState state)
1565 {
1566 VMChangeStateEntry *e, *next;
1567
1568 trace_vm_state_notify(running, state);
1569
1570 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1571 e->cb(e->opaque, running, state);
1572 }
1573 }
1574
1575 static int reset_requested;
1576 static int shutdown_requested, shutdown_signal = -1;
1577 static pid_t shutdown_pid;
1578 static int powerdown_requested;
1579 static int debug_requested;
1580 static int suspend_requested;
1581 static WakeupReason wakeup_reason;
1582 static NotifierList powerdown_notifiers =
1583 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1584 static NotifierList suspend_notifiers =
1585 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1586 static NotifierList wakeup_notifiers =
1587 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1588 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1589
1590 int qemu_shutdown_requested_get(void)
1591 {
1592 return shutdown_requested;
1593 }
1594
1595 int qemu_reset_requested_get(void)
1596 {
1597 return reset_requested;
1598 }
1599
1600 static int qemu_shutdown_requested(void)
1601 {
1602 return atomic_xchg(&shutdown_requested, 0);
1603 }
1604
1605 static void qemu_kill_report(void)
1606 {
1607 if (!qtest_driver() && shutdown_signal != -1) {
1608 if (shutdown_pid == 0) {
1609 /* This happens for eg ^C at the terminal, so it's worth
1610 * avoiding printing an odd message in that case.
1611 */
1612 error_report("terminating on signal %d", shutdown_signal);
1613 } else {
1614 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1615
1616 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1617 shutdown_signal, shutdown_pid,
1618 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1619 g_free(shutdown_cmd);
1620 }
1621 shutdown_signal = -1;
1622 }
1623 }
1624
1625 static int qemu_reset_requested(void)
1626 {
1627 int r = reset_requested;
1628 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1629 reset_requested = 0;
1630 return r;
1631 }
1632 return false;
1633 }
1634
1635 static int qemu_suspend_requested(void)
1636 {
1637 int r = suspend_requested;
1638 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1639 suspend_requested = 0;
1640 return r;
1641 }
1642 return false;
1643 }
1644
1645 static WakeupReason qemu_wakeup_requested(void)
1646 {
1647 return wakeup_reason;
1648 }
1649
1650 static int qemu_powerdown_requested(void)
1651 {
1652 int r = powerdown_requested;
1653 powerdown_requested = 0;
1654 return r;
1655 }
1656
1657 static int qemu_debug_requested(void)
1658 {
1659 int r = debug_requested;
1660 debug_requested = 0;
1661 return r;
1662 }
1663
1664 void qemu_system_reset(bool report)
1665 {
1666 MachineClass *mc;
1667
1668 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1669
1670 cpu_synchronize_all_states();
1671
1672 if (mc && mc->reset) {
1673 mc->reset();
1674 } else {
1675 qemu_devices_reset();
1676 }
1677 if (report) {
1678 qapi_event_send_reset(&error_abort);
1679 }
1680 cpu_synchronize_all_post_reset();
1681 }
1682
1683 void qemu_system_guest_panicked(GuestPanicInformation *info)
1684 {
1685 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1686
1687 if (current_cpu) {
1688 current_cpu->crash_occurred = true;
1689 }
1690 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1691 !!info, info, &error_abort);
1692 vm_stop(RUN_STATE_GUEST_PANICKED);
1693 if (!no_shutdown) {
1694 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1695 !!info, info, &error_abort);
1696 qemu_system_shutdown_request();
1697 }
1698
1699 if (info) {
1700 if (info->type == GUEST_PANIC_INFORMATION_KIND_HYPER_V) {
1701 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1702 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1703 info->u.hyper_v.data->arg1,
1704 info->u.hyper_v.data->arg2,
1705 info->u.hyper_v.data->arg3,
1706 info->u.hyper_v.data->arg4,
1707 info->u.hyper_v.data->arg5);
1708 }
1709 qapi_free_GuestPanicInformation(info);
1710 }
1711 }
1712
1713 void qemu_system_reset_request(void)
1714 {
1715 if (no_reboot) {
1716 shutdown_requested = 1;
1717 } else {
1718 reset_requested = 1;
1719 }
1720 cpu_stop_current();
1721 qemu_notify_event();
1722 }
1723
1724 static void qemu_system_suspend(void)
1725 {
1726 pause_all_vcpus();
1727 notifier_list_notify(&suspend_notifiers, NULL);
1728 runstate_set(RUN_STATE_SUSPENDED);
1729 qapi_event_send_suspend(&error_abort);
1730 }
1731
1732 void qemu_system_suspend_request(void)
1733 {
1734 if (runstate_check(RUN_STATE_SUSPENDED)) {
1735 return;
1736 }
1737 suspend_requested = 1;
1738 cpu_stop_current();
1739 qemu_notify_event();
1740 }
1741
1742 void qemu_register_suspend_notifier(Notifier *notifier)
1743 {
1744 notifier_list_add(&suspend_notifiers, notifier);
1745 }
1746
1747 void qemu_system_wakeup_request(WakeupReason reason)
1748 {
1749 trace_system_wakeup_request(reason);
1750
1751 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1752 return;
1753 }
1754 if (!(wakeup_reason_mask & (1 << reason))) {
1755 return;
1756 }
1757 runstate_set(RUN_STATE_RUNNING);
1758 wakeup_reason = reason;
1759 qemu_notify_event();
1760 }
1761
1762 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1763 {
1764 if (enabled) {
1765 wakeup_reason_mask |= (1 << reason);
1766 } else {
1767 wakeup_reason_mask &= ~(1 << reason);
1768 }
1769 }
1770
1771 void qemu_register_wakeup_notifier(Notifier *notifier)
1772 {
1773 notifier_list_add(&wakeup_notifiers, notifier);
1774 }
1775
1776 void qemu_system_killed(int signal, pid_t pid)
1777 {
1778 shutdown_signal = signal;
1779 shutdown_pid = pid;
1780 no_shutdown = 0;
1781
1782 /* Cannot call qemu_system_shutdown_request directly because
1783 * we are in a signal handler.
1784 */
1785 shutdown_requested = 1;
1786 qemu_notify_event();
1787 }
1788
1789 void qemu_system_shutdown_request(void)
1790 {
1791 trace_qemu_system_shutdown_request();
1792 replay_shutdown_request();
1793 shutdown_requested = 1;
1794 qemu_notify_event();
1795 }
1796
1797 static void qemu_system_powerdown(void)
1798 {
1799 qapi_event_send_powerdown(&error_abort);
1800 notifier_list_notify(&powerdown_notifiers, NULL);
1801 }
1802
1803 void qemu_system_powerdown_request(void)
1804 {
1805 trace_qemu_system_powerdown_request();
1806 powerdown_requested = 1;
1807 qemu_notify_event();
1808 }
1809
1810 void qemu_register_powerdown_notifier(Notifier *notifier)
1811 {
1812 notifier_list_add(&powerdown_notifiers, notifier);
1813 }
1814
1815 void qemu_system_debug_request(void)
1816 {
1817 debug_requested = 1;
1818 qemu_notify_event();
1819 }
1820
1821 static bool main_loop_should_exit(void)
1822 {
1823 RunState r;
1824 if (qemu_debug_requested()) {
1825 vm_stop(RUN_STATE_DEBUG);
1826 }
1827 if (qemu_suspend_requested()) {
1828 qemu_system_suspend();
1829 }
1830 if (qemu_shutdown_requested()) {
1831 qemu_kill_report();
1832 qapi_event_send_shutdown(&error_abort);
1833 if (no_shutdown) {
1834 vm_stop(RUN_STATE_SHUTDOWN);
1835 } else {
1836 return true;
1837 }
1838 }
1839 if (qemu_reset_requested()) {
1840 pause_all_vcpus();
1841 qemu_system_reset(VMRESET_REPORT);
1842 resume_all_vcpus();
1843 if (!runstate_check(RUN_STATE_RUNNING) &&
1844 !runstate_check(RUN_STATE_INMIGRATE)) {
1845 runstate_set(RUN_STATE_PRELAUNCH);
1846 }
1847 }
1848 if (qemu_wakeup_requested()) {
1849 pause_all_vcpus();
1850 qemu_system_reset(VMRESET_SILENT);
1851 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1852 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1853 resume_all_vcpus();
1854 qapi_event_send_wakeup(&error_abort);
1855 }
1856 if (qemu_powerdown_requested()) {
1857 qemu_system_powerdown();
1858 }
1859 if (qemu_vmstop_requested(&r)) {
1860 vm_stop(r);
1861 }
1862 return false;
1863 }
1864
1865 static void main_loop(void)
1866 {
1867 bool nonblocking;
1868 int last_io = 0;
1869 #ifdef CONFIG_PROFILER
1870 int64_t ti;
1871 #endif
1872 do {
1873 nonblocking = tcg_enabled() && last_io > 0;
1874 #ifdef CONFIG_PROFILER
1875 ti = profile_getclock();
1876 #endif
1877 last_io = main_loop_wait(nonblocking);
1878 #ifdef CONFIG_PROFILER
1879 dev_time += profile_getclock() - ti;
1880 #endif
1881 } while (!main_loop_should_exit());
1882 }
1883
1884 static void version(void)
1885 {
1886 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1887 QEMU_COPYRIGHT "\n");
1888 }
1889
1890 static void help(int exitcode)
1891 {
1892 version();
1893 printf("usage: %s [options] [disk_image]\n\n"
1894 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1895 error_get_progname());
1896
1897 #define QEMU_OPTIONS_GENERATE_HELP
1898 #include "qemu-options-wrapper.h"
1899
1900 printf("\nDuring emulation, the following keys are useful:\n"
1901 "ctrl-alt-f toggle full screen\n"
1902 "ctrl-alt-n switch to virtual console 'n'\n"
1903 "ctrl-alt toggle mouse and keyboard grab\n"
1904 "\n"
1905 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1906
1907 exit(exitcode);
1908 }
1909
1910 #define HAS_ARG 0x0001
1911
1912 typedef struct QEMUOption {
1913 const char *name;
1914 int flags;
1915 int index;
1916 uint32_t arch_mask;
1917 } QEMUOption;
1918
1919 static const QEMUOption qemu_options[] = {
1920 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1921 #define QEMU_OPTIONS_GENERATE_OPTIONS
1922 #include "qemu-options-wrapper.h"
1923 { NULL },
1924 };
1925
1926 typedef struct VGAInterfaceInfo {
1927 const char *opt_name; /* option name */
1928 const char *name; /* human-readable name */
1929 /* Class names indicating that support is available.
1930 * If no class is specified, the interface is always available */
1931 const char *class_names[2];
1932 } VGAInterfaceInfo;
1933
1934 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1935 [VGA_NONE] = {
1936 .opt_name = "none",
1937 },
1938 [VGA_STD] = {
1939 .opt_name = "std",
1940 .name = "standard VGA",
1941 .class_names = { "VGA", "isa-vga" },
1942 },
1943 [VGA_CIRRUS] = {
1944 .opt_name = "cirrus",
1945 .name = "Cirrus VGA",
1946 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1947 },
1948 [VGA_VMWARE] = {
1949 .opt_name = "vmware",
1950 .name = "VMWare SVGA",
1951 .class_names = { "vmware-svga" },
1952 },
1953 [VGA_VIRTIO] = {
1954 .opt_name = "virtio",
1955 .name = "Virtio VGA",
1956 .class_names = { "virtio-vga" },
1957 },
1958 [VGA_QXL] = {
1959 .opt_name = "qxl",
1960 .name = "QXL VGA",
1961 .class_names = { "qxl-vga" },
1962 },
1963 [VGA_TCX] = {
1964 .opt_name = "tcx",
1965 .name = "TCX framebuffer",
1966 .class_names = { "SUNW,tcx" },
1967 },
1968 [VGA_CG3] = {
1969 .opt_name = "cg3",
1970 .name = "CG3 framebuffer",
1971 .class_names = { "cgthree" },
1972 },
1973 [VGA_XENFB] = {
1974 .opt_name = "xenfb",
1975 },
1976 };
1977
1978 static bool vga_interface_available(VGAInterfaceType t)
1979 {
1980 VGAInterfaceInfo *ti = &vga_interfaces[t];
1981
1982 assert(t < VGA_TYPE_MAX);
1983 return !ti->class_names[0] ||
1984 object_class_by_name(ti->class_names[0]) ||
1985 object_class_by_name(ti->class_names[1]);
1986 }
1987
1988 static void select_vgahw(const char *p)
1989 {
1990 const char *opts;
1991 int t;
1992
1993 assert(vga_interface_type == VGA_NONE);
1994 for (t = 0; t < VGA_TYPE_MAX; t++) {
1995 VGAInterfaceInfo *ti = &vga_interfaces[t];
1996 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1997 if (!vga_interface_available(t)) {
1998 error_report("%s not available", ti->name);
1999 exit(1);
2000 }
2001 vga_interface_type = t;
2002 break;
2003 }
2004 }
2005 if (t == VGA_TYPE_MAX) {
2006 invalid_vga:
2007 error_report("unknown vga type: %s", p);
2008 exit(1);
2009 }
2010 while (*opts) {
2011 const char *nextopt;
2012
2013 if (strstart(opts, ",retrace=", &nextopt)) {
2014 opts = nextopt;
2015 if (strstart(opts, "dumb", &nextopt))
2016 vga_retrace_method = VGA_RETRACE_DUMB;
2017 else if (strstart(opts, "precise", &nextopt))
2018 vga_retrace_method = VGA_RETRACE_PRECISE;
2019 else goto invalid_vga;
2020 } else goto invalid_vga;
2021 opts = nextopt;
2022 }
2023 }
2024
2025 typedef enum DisplayType {
2026 DT_DEFAULT,
2027 DT_CURSES,
2028 DT_SDL,
2029 DT_COCOA,
2030 DT_GTK,
2031 DT_NONE,
2032 } DisplayType;
2033
2034 static DisplayType select_display(const char *p)
2035 {
2036 const char *opts;
2037 DisplayType display = DT_DEFAULT;
2038
2039 if (strstart(p, "sdl", &opts)) {
2040 #ifdef CONFIG_SDL
2041 display = DT_SDL;
2042 while (*opts) {
2043 const char *nextopt;
2044
2045 if (strstart(opts, ",frame=", &nextopt)) {
2046 opts = nextopt;
2047 if (strstart(opts, "on", &nextopt)) {
2048 no_frame = 0;
2049 } else if (strstart(opts, "off", &nextopt)) {
2050 no_frame = 1;
2051 } else {
2052 goto invalid_sdl_args;
2053 }
2054 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2055 opts = nextopt;
2056 if (strstart(opts, "on", &nextopt)) {
2057 alt_grab = 1;
2058 } else if (strstart(opts, "off", &nextopt)) {
2059 alt_grab = 0;
2060 } else {
2061 goto invalid_sdl_args;
2062 }
2063 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2064 opts = nextopt;
2065 if (strstart(opts, "on", &nextopt)) {
2066 ctrl_grab = 1;
2067 } else if (strstart(opts, "off", &nextopt)) {
2068 ctrl_grab = 0;
2069 } else {
2070 goto invalid_sdl_args;
2071 }
2072 } else if (strstart(opts, ",window_close=", &nextopt)) {
2073 opts = nextopt;
2074 if (strstart(opts, "on", &nextopt)) {
2075 no_quit = 0;
2076 } else if (strstart(opts, "off", &nextopt)) {
2077 no_quit = 1;
2078 } else {
2079 goto invalid_sdl_args;
2080 }
2081 } else if (strstart(opts, ",gl=", &nextopt)) {
2082 opts = nextopt;
2083 if (strstart(opts, "on", &nextopt)) {
2084 request_opengl = 1;
2085 } else if (strstart(opts, "off", &nextopt)) {
2086 request_opengl = 0;
2087 } else {
2088 goto invalid_sdl_args;
2089 }
2090 } else {
2091 invalid_sdl_args:
2092 error_report("invalid SDL option string");
2093 exit(1);
2094 }
2095 opts = nextopt;
2096 }
2097 #else
2098 error_report("SDL support is disabled");
2099 exit(1);
2100 #endif
2101 } else if (strstart(p, "vnc", &opts)) {
2102 if (*opts == '=') {
2103 vnc_parse(opts + 1, &error_fatal);
2104 } else {
2105 error_report("VNC requires a display argument vnc=<display>");
2106 exit(1);
2107 }
2108 } else if (strstart(p, "curses", &opts)) {
2109 #ifdef CONFIG_CURSES
2110 display = DT_CURSES;
2111 #else
2112 error_report("curses support is disabled");
2113 exit(1);
2114 #endif
2115 } else if (strstart(p, "gtk", &opts)) {
2116 #ifdef CONFIG_GTK
2117 display = DT_GTK;
2118 while (*opts) {
2119 const char *nextopt;
2120
2121 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2122 opts = nextopt;
2123 if (strstart(opts, "on", &nextopt)) {
2124 grab_on_hover = true;
2125 } else if (strstart(opts, "off", &nextopt)) {
2126 grab_on_hover = false;
2127 } else {
2128 goto invalid_gtk_args;
2129 }
2130 } else if (strstart(opts, ",gl=", &nextopt)) {
2131 opts = nextopt;
2132 if (strstart(opts, "on", &nextopt)) {
2133 request_opengl = 1;
2134 } else if (strstart(opts, "off", &nextopt)) {
2135 request_opengl = 0;
2136 } else {
2137 goto invalid_gtk_args;
2138 }
2139 } else {
2140 invalid_gtk_args:
2141 error_report("invalid GTK option string");
2142 exit(1);
2143 }
2144 opts = nextopt;
2145 }
2146 #else
2147 error_report("GTK support is disabled");
2148 exit(1);
2149 #endif
2150 } else if (strstart(p, "none", &opts)) {
2151 display = DT_NONE;
2152 } else {
2153 error_report("unknown display type");
2154 exit(1);
2155 }
2156
2157 return display;
2158 }
2159
2160 static int balloon_parse(const char *arg)
2161 {
2162 QemuOpts *opts;
2163
2164 if (strcmp(arg, "none") == 0) {
2165 return 0;
2166 }
2167
2168 if (!strncmp(arg, "virtio", 6)) {
2169 if (arg[6] == ',') {
2170 /* have params -> parse them */
2171 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2172 false);
2173 if (!opts)
2174 return -1;
2175 } else {
2176 /* create empty opts */
2177 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2178 &error_abort);
2179 }
2180 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2181 return 0;
2182 }
2183
2184 return -1;
2185 }
2186
2187 char *qemu_find_file(int type, const char *name)
2188 {
2189 int i;
2190 const char *subdir;
2191 char *buf;
2192
2193 /* Try the name as a straight path first */
2194 if (access(name, R_OK) == 0) {
2195 trace_load_file(name, name);
2196 return g_strdup(name);
2197 }
2198
2199 switch (type) {
2200 case QEMU_FILE_TYPE_BIOS:
2201 subdir = "";
2202 break;
2203 case QEMU_FILE_TYPE_KEYMAP:
2204 subdir = "keymaps/";
2205 break;
2206 default:
2207 abort();
2208 }
2209
2210 for (i = 0; i < data_dir_idx; i++) {
2211 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2212 if (access(buf, R_OK) == 0) {
2213 trace_load_file(name, buf);
2214 return buf;
2215 }
2216 g_free(buf);
2217 }
2218 return NULL;
2219 }
2220
2221 static inline bool nonempty_str(const char *str)
2222 {
2223 return str && *str;
2224 }
2225
2226 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2227 {
2228 gchar *buf;
2229 size_t size;
2230 const char *name, *file, *str;
2231 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2232
2233 if (fw_cfg == NULL) {
2234 error_report("fw_cfg device not available");
2235 return -1;
2236 }
2237 name = qemu_opt_get(opts, "name");
2238 file = qemu_opt_get(opts, "file");
2239 str = qemu_opt_get(opts, "string");
2240
2241 /* we need name and either a file or the content string */
2242 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2243 error_report("invalid argument(s)");
2244 return -1;
2245 }
2246 if (nonempty_str(file) && nonempty_str(str)) {
2247 error_report("file and string are mutually exclusive");
2248 return -1;
2249 }
2250 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2251 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2252 return -1;
2253 }
2254 if (strncmp(name, "opt/", 4) != 0) {
2255 error_report("warning: externally provided fw_cfg item names "
2256 "should be prefixed with \"opt/\"");
2257 }
2258 if (nonempty_str(str)) {
2259 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2260 buf = g_memdup(str, size);
2261 } else {
2262 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2263 error_report("can't load %s", file);
2264 return -1;
2265 }
2266 }
2267 /* For legacy, keep user files in a specific global order. */
2268 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2269 fw_cfg_add_file(fw_cfg, name, buf, size);
2270 fw_cfg_reset_order_override(fw_cfg);
2271 return 0;
2272 }
2273
2274 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2275 {
2276 return qdev_device_help(opts);
2277 }
2278
2279 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2280 {
2281 Error *err = NULL;
2282 DeviceState *dev;
2283
2284 dev = qdev_device_add(opts, &err);
2285 if (!dev) {
2286 error_report_err(err);
2287 return -1;
2288 }
2289 object_unref(OBJECT(dev));
2290 return 0;
2291 }
2292
2293 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2294 {
2295 Error *local_err = NULL;
2296
2297 qemu_chr_new_from_opts(opts, &local_err);
2298 if (local_err) {
2299 error_report_err(local_err);
2300 return -1;
2301 }
2302 return 0;
2303 }
2304
2305 #ifdef CONFIG_VIRTFS
2306 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2307 {
2308 return qemu_fsdev_add(opts);
2309 }
2310 #endif
2311
2312 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2313 {
2314 Chardev *chr;
2315 const char *chardev;
2316 const char *mode;
2317 int flags;
2318
2319 mode = qemu_opt_get(opts, "mode");
2320 if (mode == NULL) {
2321 mode = "readline";
2322 }
2323 if (strcmp(mode, "readline") == 0) {
2324 flags = MONITOR_USE_READLINE;
2325 } else if (strcmp(mode, "control") == 0) {
2326 flags = MONITOR_USE_CONTROL;
2327 } else {
2328 error_report("unknown monitor mode \"%s\"", mode);
2329 exit(1);
2330 }
2331
2332 if (qemu_opt_get_bool(opts, "pretty", 0))
2333 flags |= MONITOR_USE_PRETTY;
2334
2335 if (qemu_opt_get_bool(opts, "default", 0)) {
2336 error_report("option 'default' does nothing and is deprecated");
2337 }
2338
2339 chardev = qemu_opt_get(opts, "chardev");
2340 chr = qemu_chr_find(chardev);
2341 if (chr == NULL) {
2342 error_report("chardev \"%s\" not found", chardev);
2343 exit(1);
2344 }
2345
2346 monitor_init(chr, flags);
2347 return 0;
2348 }
2349
2350 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2351 {
2352 static int monitor_device_index = 0;
2353 QemuOpts *opts;
2354 const char *p;
2355 char label[32];
2356
2357 if (strstart(optarg, "chardev:", &p)) {
2358 snprintf(label, sizeof(label), "%s", p);
2359 } else {
2360 snprintf(label, sizeof(label), "compat_monitor%d",
2361 monitor_device_index);
2362 opts = qemu_chr_parse_compat(label, optarg);
2363 if (!opts) {
2364 error_report("parse error: %s", optarg);
2365 exit(1);
2366 }
2367 }
2368
2369 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2370 qemu_opt_set(opts, "mode", mode, &error_abort);
2371 qemu_opt_set(opts, "chardev", label, &error_abort);
2372 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2373 monitor_device_index++;
2374 }
2375
2376 struct device_config {
2377 enum {
2378 DEV_USB, /* -usbdevice */
2379 DEV_BT, /* -bt */
2380 DEV_SERIAL, /* -serial */
2381 DEV_PARALLEL, /* -parallel */
2382 DEV_VIRTCON, /* -virtioconsole */
2383 DEV_DEBUGCON, /* -debugcon */
2384 DEV_GDB, /* -gdb, -s */
2385 DEV_SCLP, /* s390 sclp */
2386 } type;
2387 const char *cmdline;
2388 Location loc;
2389 QTAILQ_ENTRY(device_config) next;
2390 };
2391
2392 static QTAILQ_HEAD(, device_config) device_configs =
2393 QTAILQ_HEAD_INITIALIZER(device_configs);
2394
2395 static void add_device_config(int type, const char *cmdline)
2396 {
2397 struct device_config *conf;
2398
2399 conf = g_malloc0(sizeof(*conf));
2400 conf->type = type;
2401 conf->cmdline = cmdline;
2402 loc_save(&conf->loc);
2403 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2404 }
2405
2406 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2407 {
2408 struct device_config *conf;
2409 int rc;
2410
2411 QTAILQ_FOREACH(conf, &device_configs, next) {
2412 if (conf->type != type)
2413 continue;
2414 loc_push_restore(&conf->loc);
2415 rc = func(conf->cmdline);
2416 loc_pop(&conf->loc);
2417 if (rc) {
2418 return rc;
2419 }
2420 }
2421 return 0;
2422 }
2423
2424 static int serial_parse(const char *devname)
2425 {
2426 static int index = 0;
2427 char label[32];
2428
2429 if (strcmp(devname, "none") == 0)
2430 return 0;
2431 if (index == MAX_SERIAL_PORTS) {
2432 error_report("too many serial ports");
2433 exit(1);
2434 }
2435 snprintf(label, sizeof(label), "serial%d", index);
2436 serial_hds[index] = qemu_chr_new(label, devname);
2437 if (!serial_hds[index]) {
2438 error_report("could not connect serial device"
2439 " to character backend '%s'", devname);
2440 return -1;
2441 }
2442 index++;
2443 return 0;
2444 }
2445
2446 static int parallel_parse(const char *devname)
2447 {
2448 static int index = 0;
2449 char label[32];
2450
2451 if (strcmp(devname, "none") == 0)
2452 return 0;
2453 if (index == MAX_PARALLEL_PORTS) {
2454 error_report("too many parallel ports");
2455 exit(1);
2456 }
2457 snprintf(label, sizeof(label), "parallel%d", index);
2458 parallel_hds[index] = qemu_chr_new(label, devname);
2459 if (!parallel_hds[index]) {
2460 error_report("could not connect parallel device"
2461 " to character backend '%s'", devname);
2462 return -1;
2463 }
2464 index++;
2465 return 0;
2466 }
2467
2468 static int virtcon_parse(const char *devname)
2469 {
2470 QemuOptsList *device = qemu_find_opts("device");
2471 static int index = 0;
2472 char label[32];
2473 QemuOpts *bus_opts, *dev_opts;
2474
2475 if (strcmp(devname, "none") == 0)
2476 return 0;
2477 if (index == MAX_VIRTIO_CONSOLES) {
2478 error_report("too many virtio consoles");
2479 exit(1);
2480 }
2481
2482 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2483 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2484
2485 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2486 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2487
2488 snprintf(label, sizeof(label), "virtcon%d", index);
2489 virtcon_hds[index] = qemu_chr_new(label, devname);
2490 if (!virtcon_hds[index]) {
2491 error_report("could not connect virtio console"
2492 " to character backend '%s'", devname);
2493 return -1;
2494 }
2495 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2496
2497 index++;
2498 return 0;
2499 }
2500
2501 static int sclp_parse(const char *devname)
2502 {
2503 QemuOptsList *device = qemu_find_opts("device");
2504 static int index = 0;
2505 char label[32];
2506 QemuOpts *dev_opts;
2507
2508 if (strcmp(devname, "none") == 0) {
2509 return 0;
2510 }
2511 if (index == MAX_SCLP_CONSOLES) {
2512 error_report("too many sclp consoles");
2513 exit(1);
2514 }
2515
2516 assert(arch_type == QEMU_ARCH_S390X);
2517
2518 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2519 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2520
2521 snprintf(label, sizeof(label), "sclpcon%d", index);
2522 sclp_hds[index] = qemu_chr_new(label, devname);
2523 if (!sclp_hds[index]) {
2524 error_report("could not connect sclp console"
2525 " to character backend '%s'", devname);
2526 return -1;
2527 }
2528 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2529
2530 index++;
2531 return 0;
2532 }
2533
2534 static int debugcon_parse(const char *devname)
2535 {
2536 QemuOpts *opts;
2537
2538 if (!qemu_chr_new("debugcon", devname)) {
2539 exit(1);
2540 }
2541 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2542 if (!opts) {
2543 error_report("already have a debugcon device");
2544 exit(1);
2545 }
2546 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2547 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2548 return 0;
2549 }
2550
2551 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2552 {
2553 const MachineClass *mc1 = a, *mc2 = b;
2554 int res;
2555
2556 if (mc1->family == NULL) {
2557 if (mc2->family == NULL) {
2558 /* Compare standalone machine types against each other; they sort
2559 * in increasing order.
2560 */
2561 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2562 object_class_get_name(OBJECT_CLASS(mc2)));
2563 }
2564
2565 /* Standalone machine types sort after families. */
2566 return 1;
2567 }
2568
2569 if (mc2->family == NULL) {
2570 /* Families sort before standalone machine types. */
2571 return -1;
2572 }
2573
2574 /* Families sort between each other alphabetically increasingly. */
2575 res = strcmp(mc1->family, mc2->family);
2576 if (res != 0) {
2577 return res;
2578 }
2579
2580 /* Within the same family, machine types sort in decreasing order. */
2581 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2582 object_class_get_name(OBJECT_CLASS(mc1)));
2583 }
2584
2585 static MachineClass *machine_parse(const char *name)
2586 {
2587 MachineClass *mc = NULL;
2588 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2589
2590 if (name) {
2591 mc = find_machine(name);
2592 }
2593 if (mc) {
2594 g_slist_free(machines);
2595 return mc;
2596 }
2597 if (name && !is_help_option(name)) {
2598 error_report("unsupported machine type");
2599 error_printf("Use -machine help to list supported machines\n");
2600 } else {
2601 printf("Supported machines are:\n");
2602 machines = g_slist_sort(machines, machine_class_cmp);
2603 for (el = machines; el; el = el->next) {
2604 MachineClass *mc = el->data;
2605 if (mc->alias) {
2606 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2607 }
2608 printf("%-20s %s%s\n", mc->name, mc->desc,
2609 mc->is_default ? " (default)" : "");
2610 }
2611 }
2612
2613 g_slist_free(machines);
2614 exit(!name || !is_help_option(name));
2615 }
2616
2617 void qemu_add_exit_notifier(Notifier *notify)
2618 {
2619 notifier_list_add(&exit_notifiers, notify);
2620 }
2621
2622 void qemu_remove_exit_notifier(Notifier *notify)
2623 {
2624 notifier_remove(notify);
2625 }
2626
2627 static void qemu_run_exit_notifiers(void)
2628 {
2629 notifier_list_notify(&exit_notifiers, NULL);
2630 }
2631
2632 static bool machine_init_done;
2633
2634 void qemu_add_machine_init_done_notifier(Notifier *notify)
2635 {
2636 notifier_list_add(&machine_init_done_notifiers, notify);
2637 if (machine_init_done) {
2638 notify->notify(notify, NULL);
2639 }
2640 }
2641
2642 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2643 {
2644 notifier_remove(notify);
2645 }
2646
2647 static void qemu_run_machine_init_done_notifiers(void)
2648 {
2649 notifier_list_notify(&machine_init_done_notifiers, NULL);
2650 machine_init_done = true;
2651 }
2652
2653 static const QEMUOption *lookup_opt(int argc, char **argv,
2654 const char **poptarg, int *poptind)
2655 {
2656 const QEMUOption *popt;
2657 int optind = *poptind;
2658 char *r = argv[optind];
2659 const char *optarg;
2660
2661 loc_set_cmdline(argv, optind, 1);
2662 optind++;
2663 /* Treat --foo the same as -foo. */
2664 if (r[1] == '-')
2665 r++;
2666 popt = qemu_options;
2667 for(;;) {
2668 if (!popt->name) {
2669 error_report("invalid option");
2670 exit(1);
2671 }
2672 if (!strcmp(popt->name, r + 1))
2673 break;
2674 popt++;
2675 }
2676 if (popt->flags & HAS_ARG) {
2677 if (optind >= argc) {
2678 error_report("requires an argument");
2679 exit(1);
2680 }
2681 optarg = argv[optind++];
2682 loc_set_cmdline(argv, optind - 2, 2);
2683 } else {
2684 optarg = NULL;
2685 }
2686
2687 *poptarg = optarg;
2688 *poptind = optind;
2689
2690 return popt;
2691 }
2692
2693 static MachineClass *select_machine(void)
2694 {
2695 MachineClass *machine_class = find_default_machine();
2696 const char *optarg;
2697 QemuOpts *opts;
2698 Location loc;
2699
2700 loc_push_none(&loc);
2701
2702 opts = qemu_get_machine_opts();
2703 qemu_opts_loc_restore(opts);
2704
2705 optarg = qemu_opt_get(opts, "type");
2706 if (optarg) {
2707 machine_class = machine_parse(optarg);
2708 }
2709
2710 if (!machine_class) {
2711 error_report("No machine specified, and there is no default");
2712 error_printf("Use -machine help to list supported machines\n");
2713 exit(1);
2714 }
2715
2716 loc_pop(&loc);
2717 return machine_class;
2718 }
2719
2720 static int machine_set_property(void *opaque,
2721 const char *name, const char *value,
2722 Error **errp)
2723 {
2724 Object *obj = OBJECT(opaque);
2725 Error *local_err = NULL;
2726 char *p, *qom_name;
2727
2728 if (strcmp(name, "type") == 0) {
2729 return 0;
2730 }
2731
2732 qom_name = g_strdup(name);
2733 for (p = qom_name; *p; p++) {
2734 if (*p == '_') {
2735 *p = '-';
2736 }
2737 }
2738
2739 object_property_parse(obj, value, qom_name, &local_err);
2740 g_free(qom_name);
2741
2742 if (local_err) {
2743 error_report_err(local_err);
2744 return -1;
2745 }
2746
2747 return 0;
2748 }
2749
2750
2751 /*
2752 * Initial object creation happens before all other
2753 * QEMU data types are created. The majority of objects
2754 * can be created at this point. The rng-egd object
2755 * cannot be created here, as it depends on the chardev
2756 * already existing.
2757 */
2758 static bool object_create_initial(const char *type)
2759 {
2760 if (g_str_equal(type, "rng-egd")) {
2761 return false;
2762 }
2763
2764 /*
2765 * return false for concrete netfilters since
2766 * they depend on netdevs already existing
2767 */
2768 if (g_str_equal(type, "filter-buffer") ||
2769 g_str_equal(type, "filter-dump") ||
2770 g_str_equal(type, "filter-mirror") ||
2771 g_str_equal(type, "filter-redirector") ||
2772 g_str_equal(type, "colo-compare") ||
2773 g_str_equal(type, "filter-rewriter") ||
2774 g_str_equal(type, "filter-replay")) {
2775 return false;
2776 }
2777
2778 /* Memory allocation by backends needs to be done
2779 * after configure_accelerator() (due to the tcg_enabled()
2780 * checks at memory_region_init_*()).
2781 *
2782 * Also, allocation of large amounts of memory may delay
2783 * chardev initialization for too long, and trigger timeouts
2784 * on software that waits for a monitor socket to be created
2785 * (e.g. libvirt).
2786 */
2787 if (g_str_has_prefix(type, "memory-backend-")) {
2788 return false;
2789 }
2790
2791 return true;
2792 }
2793
2794
2795 /*
2796 * The remainder of object creation happens after the
2797 * creation of chardev, fsdev, net clients and device data types.
2798 */
2799 static bool object_create_delayed(const char *type)
2800 {
2801 return !object_create_initial(type);
2802 }
2803
2804
2805 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2806 MachineClass *mc)
2807 {
2808 uint64_t sz;
2809 const char *mem_str;
2810 const char *maxmem_str, *slots_str;
2811 const ram_addr_t default_ram_size = mc->default_ram_size;
2812 QemuOpts *opts = qemu_find_opts_singleton("memory");
2813 Location loc;
2814
2815 loc_push_none(&loc);
2816 qemu_opts_loc_restore(opts);
2817
2818 sz = 0;
2819 mem_str = qemu_opt_get(opts, "size");
2820 if (mem_str) {
2821 if (!*mem_str) {
2822 error_report("missing 'size' option value");
2823 exit(EXIT_FAILURE);
2824 }
2825
2826 sz = qemu_opt_get_size(opts, "size", ram_size);
2827
2828 /* Fix up legacy suffix-less format */
2829 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2830 uint64_t overflow_check = sz;
2831
2832 sz <<= 20;
2833 if ((sz >> 20) != overflow_check) {
2834 error_report("too large 'size' option value");
2835 exit(EXIT_FAILURE);
2836 }
2837 }
2838 }
2839
2840 /* backward compatibility behaviour for case "-m 0" */
2841 if (sz == 0) {
2842 sz = default_ram_size;
2843 }
2844
2845 sz = QEMU_ALIGN_UP(sz, 8192);
2846 ram_size = sz;
2847 if (ram_size != sz) {
2848 error_report("ram size too large");
2849 exit(EXIT_FAILURE);
2850 }
2851
2852 /* store value for the future use */
2853 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2854 *maxram_size = ram_size;
2855
2856 maxmem_str = qemu_opt_get(opts, "maxmem");
2857 slots_str = qemu_opt_get(opts, "slots");
2858 if (maxmem_str && slots_str) {
2859 uint64_t slots;
2860
2861 sz = qemu_opt_get_size(opts, "maxmem", 0);
2862 slots = qemu_opt_get_number(opts, "slots", 0);
2863 if (sz < ram_size) {
2864 error_report("invalid value of -m option maxmem: "
2865 "maximum memory size (0x%" PRIx64 ") must be at least "
2866 "the initial memory size (0x" RAM_ADDR_FMT ")",
2867 sz, ram_size);
2868 exit(EXIT_FAILURE);
2869 } else if (sz > ram_size) {
2870 if (!slots) {
2871 error_report("invalid value of -m option: maxmem was "
2872 "specified, but no hotplug slots were specified");
2873 exit(EXIT_FAILURE);
2874 }
2875 } else if (slots) {
2876 error_report("invalid value of -m option maxmem: "
2877 "memory slots were specified but maximum memory size "
2878 "(0x%" PRIx64 ") is equal to the initial memory size "
2879 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2880 exit(EXIT_FAILURE);
2881 }
2882
2883 *maxram_size = sz;
2884 *ram_slots = slots;
2885 } else if ((!maxmem_str && slots_str) ||
2886 (maxmem_str && !slots_str)) {
2887 error_report("invalid -m option value: missing "
2888 "'%s' option", slots_str ? "maxmem" : "slots");
2889 exit(EXIT_FAILURE);
2890 }
2891
2892 loc_pop(&loc);
2893 }
2894
2895 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2896 {
2897 GlobalProperty *g;
2898
2899 g = g_malloc0(sizeof(*g));
2900 g->driver = qemu_opt_get(opts, "driver");
2901 g->property = qemu_opt_get(opts, "property");
2902 g->value = qemu_opt_get(opts, "value");
2903 g->user_provided = true;
2904 g->errp = &error_fatal;
2905 qdev_prop_register_global(g);
2906 return 0;
2907 }
2908
2909 static int qemu_read_default_config_file(void)
2910 {
2911 int ret;
2912
2913 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2914 if (ret < 0 && ret != -ENOENT) {
2915 return ret;
2916 }
2917
2918 return 0;
2919 }
2920
2921 int main(int argc, char **argv, char **envp)
2922 {
2923 int i;
2924 int snapshot, linux_boot;
2925 const char *initrd_filename;
2926 const char *kernel_filename, *kernel_cmdline;
2927 const char *boot_order = NULL;
2928 const char *boot_once = NULL;
2929 DisplayState *ds;
2930 int cyls, heads, secs, translation;
2931 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2932 QemuOptsList *olist;
2933 int optind;
2934 const char *optarg;
2935 const char *loadvm = NULL;
2936 MachineClass *machine_class;
2937 const char *cpu_model;
2938 const char *vga_model = NULL;
2939 const char *qtest_chrdev = NULL;
2940 const char *qtest_log = NULL;
2941 const char *pid_file = NULL;
2942 const char *incoming = NULL;
2943 bool defconfig = true;
2944 bool userconfig = true;
2945 bool nographic = false;
2946 DisplayType display_type = DT_DEFAULT;
2947 int display_remote = 0;
2948 const char *log_mask = NULL;
2949 const char *log_file = NULL;
2950 char *trace_file = NULL;
2951 ram_addr_t maxram_size;
2952 uint64_t ram_slots = 0;
2953 FILE *vmstate_dump_file = NULL;
2954 Error *main_loop_err = NULL;
2955 Error *err = NULL;
2956 bool list_data_dirs = false;
2957
2958 module_call_init(MODULE_INIT_TRACE);
2959
2960 qemu_init_cpu_list();
2961 qemu_init_cpu_loop();
2962 qemu_mutex_lock_iothread();
2963
2964 atexit(qemu_run_exit_notifiers);
2965 error_set_progname(argv[0]);
2966 qemu_init_exec_dir(argv[0]);
2967
2968 module_call_init(MODULE_INIT_QOM);
2969 module_call_init(MODULE_INIT_QAPI);
2970
2971 qemu_add_opts(&qemu_drive_opts);
2972 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2973 qemu_add_drive_opts(&qemu_common_drive_opts);
2974 qemu_add_drive_opts(&qemu_drive_opts);
2975 qemu_add_drive_opts(&bdrv_runtime_opts);
2976 qemu_add_opts(&qemu_chardev_opts);
2977 qemu_add_opts(&qemu_device_opts);
2978 qemu_add_opts(&qemu_netdev_opts);
2979 qemu_add_opts(&qemu_net_opts);
2980 qemu_add_opts(&qemu_rtc_opts);
2981 qemu_add_opts(&qemu_global_opts);
2982 qemu_add_opts(&qemu_mon_opts);
2983 qemu_add_opts(&qemu_trace_opts);
2984 qemu_add_opts(&qemu_option_rom_opts);
2985 qemu_add_opts(&qemu_machine_opts);
2986 qemu_add_opts(&qemu_mem_opts);
2987 qemu_add_opts(&qemu_smp_opts);
2988 qemu_add_opts(&qemu_boot_opts);
2989 qemu_add_opts(&qemu_sandbox_opts);
2990 qemu_add_opts(&qemu_add_fd_opts);
2991 qemu_add_opts(&qemu_object_opts);
2992 qemu_add_opts(&qemu_tpmdev_opts);
2993 qemu_add_opts(&qemu_realtime_opts);
2994 qemu_add_opts(&qemu_msg_opts);
2995 qemu_add_opts(&qemu_name_opts);
2996 qemu_add_opts(&qemu_numa_opts);
2997 qemu_add_opts(&qemu_icount_opts);
2998 qemu_add_opts(&qemu_semihosting_config_opts);
2999 qemu_add_opts(&qemu_fw_cfg_opts);
3000 module_call_init(MODULE_INIT_OPTS);
3001
3002 runstate_init();
3003
3004 if (qcrypto_init(&err) < 0) {
3005 error_reportf_err(err, "cannot initialize crypto: ");
3006 exit(1);
3007 }
3008 rtc_clock = QEMU_CLOCK_HOST;
3009
3010 QLIST_INIT (&vm_change_state_head);
3011 os_setup_early_signal_handling();
3012
3013 cpu_model = NULL;
3014 snapshot = 0;
3015 cyls = heads = secs = 0;
3016 translation = BIOS_ATA_TRANSLATION_AUTO;
3017
3018 nb_nics = 0;
3019
3020 bdrv_init_with_whitelist();
3021
3022 autostart = 1;
3023
3024 /* first pass of option parsing */
3025 optind = 1;
3026 while (optind < argc) {
3027 if (argv[optind][0] != '-') {
3028 /* disk image */
3029 optind++;
3030 } else {
3031 const QEMUOption *popt;
3032
3033 popt = lookup_opt(argc, argv, &optarg, &optind);
3034 switch (popt->index) {
3035 case QEMU_OPTION_nodefconfig:
3036 defconfig = false;
3037 break;
3038 case QEMU_OPTION_nouserconfig:
3039 userconfig = false;
3040 break;
3041 }
3042 }
3043 }
3044
3045 if (defconfig && userconfig) {
3046 if (qemu_read_default_config_file() < 0) {
3047 exit(1);
3048 }
3049 }
3050
3051 /* second pass of option parsing */
3052 optind = 1;
3053 for(;;) {
3054 if (optind >= argc)
3055 break;
3056 if (argv[optind][0] != '-') {
3057 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3058 } else {
3059 const QEMUOption *popt;
3060
3061 popt = lookup_opt(argc, argv, &optarg, &optind);
3062 if (!(popt->arch_mask & arch_type)) {
3063 error_report("Option not supported for this target");
3064 exit(1);
3065 }
3066 switch(popt->index) {
3067 case QEMU_OPTION_no_kvm_irqchip: {
3068 olist = qemu_find_opts("machine");
3069 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3070 break;
3071 }
3072 case QEMU_OPTION_cpu:
3073 /* hw initialization will check this */
3074 cpu_model = optarg;
3075 break;
3076 case QEMU_OPTION_hda:
3077 {
3078 char buf[256];
3079 if (cyls == 0)
3080 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3081 else
3082 snprintf(buf, sizeof(buf),
3083 "%s,cyls=%d,heads=%d,secs=%d%s",
3084 HD_OPTS , cyls, heads, secs,
3085 translation == BIOS_ATA_TRANSLATION_LBA ?
3086 ",trans=lba" :
3087 translation == BIOS_ATA_TRANSLATION_NONE ?
3088 ",trans=none" : "");
3089 drive_add(IF_DEFAULT, 0, optarg, buf);
3090 break;
3091 }
3092 case QEMU_OPTION_hdb:
3093 case QEMU_OPTION_hdc:
3094 case QEMU_OPTION_hdd:
3095 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3096 HD_OPTS);
3097 break;
3098 case QEMU_OPTION_drive:
3099 if (drive_def(optarg) == NULL) {
3100 exit(1);
3101 }
3102 break;
3103 case QEMU_OPTION_set:
3104 if (qemu_set_option(optarg) != 0)
3105 exit(1);
3106 break;
3107 case QEMU_OPTION_global:
3108 if (qemu_global_option(optarg) != 0)
3109 exit(1);
3110 break;
3111 case QEMU_OPTION_mtdblock:
3112 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3113 break;
3114 case QEMU_OPTION_sd:
3115 drive_add(IF_SD, -1, optarg, SD_OPTS);
3116 break;
3117 case QEMU_OPTION_pflash:
3118 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3119 break;
3120 case QEMU_OPTION_snapshot:
3121 snapshot = 1;
3122 break;
3123 case QEMU_OPTION_hdachs:
3124 {
3125 const char *p;
3126 p = optarg;
3127 cyls = strtol(p, (char **)&p, 0);
3128 if (cyls < 1 || cyls > 16383)
3129 goto chs_fail;
3130 if (*p != ',')
3131 goto chs_fail;
3132 p++;
3133 heads = strtol(p, (char **)&p, 0);
3134 if (heads < 1 || heads > 16)
3135 goto chs_fail;
3136 if (*p != ',')
3137 goto chs_fail;
3138 p++;
3139 secs = strtol(p, (char **)&p, 0);
3140 if (secs < 1 || secs > 63)
3141 goto chs_fail;
3142 if (*p == ',') {
3143 p++;
3144 if (!strcmp(p, "large")) {
3145 translation = BIOS_ATA_TRANSLATION_LARGE;
3146 } else if (!strcmp(p, "rechs")) {
3147 translation = BIOS_ATA_TRANSLATION_RECHS;
3148 } else if (!strcmp(p, "none")) {
3149 translation = BIOS_ATA_TRANSLATION_NONE;
3150 } else if (!strcmp(p, "lba")) {
3151 translation = BIOS_ATA_TRANSLATION_LBA;
3152 } else if (!strcmp(p, "auto")) {
3153 translation = BIOS_ATA_TRANSLATION_AUTO;
3154 } else {
3155 goto chs_fail;
3156 }
3157 } else if (*p != '\0') {
3158 chs_fail:
3159 error_report("invalid physical CHS format");
3160 exit(1);
3161 }
3162 if (hda_opts != NULL) {
3163 qemu_opt_set_number(hda_opts, "cyls", cyls,
3164 &error_abort);
3165 qemu_opt_set_number(hda_opts, "heads", heads,
3166 &error_abort);
3167 qemu_opt_set_number(hda_opts, "secs", secs,
3168 &error_abort);
3169 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3170 qemu_opt_set(hda_opts, "trans", "large",
3171 &error_abort);
3172 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3173 qemu_opt_set(hda_opts, "trans", "rechs",
3174 &error_abort);
3175 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3176 qemu_opt_set(hda_opts, "trans", "lba",
3177 &error_abort);
3178 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3179 qemu_opt_set(hda_opts, "trans", "none",
3180 &error_abort);
3181 }
3182 }
3183 }
3184 break;
3185 case QEMU_OPTION_numa:
3186 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3187 optarg, true);
3188 if (!opts) {
3189 exit(1);
3190 }
3191 break;
3192 case QEMU_OPTION_display:
3193 display_type = select_display(optarg);
3194 break;
3195 case QEMU_OPTION_nographic:
3196 olist = qemu_find_opts("machine");
3197 qemu_opts_parse_noisily(olist, "graphics=off", false);
3198 nographic = true;
3199 display_type = DT_NONE;
3200 break;
3201 case QEMU_OPTION_curses:
3202 #ifdef CONFIG_CURSES
3203 display_type = DT_CURSES;
3204 #else
3205 error_report("curses support is disabled");
3206 exit(1);
3207 #endif
3208 break;
3209 case QEMU_OPTION_portrait:
3210 graphic_rotate = 90;
3211 break;
3212 case QEMU_OPTION_rotate:
3213 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3214 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3215 graphic_rotate != 180 && graphic_rotate != 270) {
3216 error_report("only 90, 180, 270 deg rotation is available");
3217 exit(1);
3218 }
3219 break;
3220 case QEMU_OPTION_kernel:
3221 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3222 &error_abort);
3223 break;
3224 case QEMU_OPTION_initrd:
3225 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3226 &error_abort);
3227 break;
3228 case QEMU_OPTION_append:
3229 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3230 &error_abort);
3231 break;
3232 case QEMU_OPTION_dtb:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3234 &error_abort);
3235 break;
3236 case QEMU_OPTION_cdrom:
3237 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3238 break;
3239 case QEMU_OPTION_boot:
3240 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3241 optarg, true);
3242 if (!opts) {
3243 exit(1);
3244 }
3245 break;
3246 case QEMU_OPTION_fda:
3247 case QEMU_OPTION_fdb:
3248 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3249 optarg, FD_OPTS);
3250 break;
3251 case QEMU_OPTION_no_fd_bootchk:
3252 fd_bootchk = 0;
3253 break;
3254 case QEMU_OPTION_netdev:
3255 default_net = 0;
3256 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3257 exit(1);
3258 }
3259 break;
3260 case QEMU_OPTION_net:
3261 default_net = 0;
3262 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3263 exit(1);
3264 }
3265 break;
3266 #ifdef CONFIG_LIBISCSI
3267 case QEMU_OPTION_iscsi:
3268 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3269 optarg, false);
3270 if (!opts) {
3271 exit(1);
3272 }
3273 break;
3274 #endif
3275 #ifdef CONFIG_SLIRP
3276 case QEMU_OPTION_tftp:
3277 error_report("The -tftp option is deprecated. "
3278 "Please use '-netdev user,tftp=...' instead.");
3279 legacy_tftp_prefix = optarg;
3280 break;
3281 case QEMU_OPTION_bootp:
3282 error_report("The -bootp option is deprecated. "
3283 "Please use '-netdev user,bootfile=...' instead.");
3284 legacy_bootp_filename = optarg;
3285 break;
3286 case QEMU_OPTION_redir:
3287 error_report("The -redir option is deprecated. "
3288 "Please use '-netdev user,hostfwd=...' instead.");
3289 if (net_slirp_redir(optarg) < 0)
3290 exit(1);
3291 break;
3292 #endif
3293 case QEMU_OPTION_bt:
3294 add_device_config(DEV_BT, optarg);
3295 break;
3296 case QEMU_OPTION_audio_help:
3297 AUD_help ();
3298 exit (0);
3299 break;
3300 case QEMU_OPTION_soundhw:
3301 select_soundhw (optarg);
3302 break;
3303 case QEMU_OPTION_h:
3304 help(0);
3305 break;
3306 case QEMU_OPTION_version:
3307 version();
3308 exit(0);
3309 break;
3310 case QEMU_OPTION_m:
3311 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3312 optarg, true);
3313 if (!opts) {
3314 exit(EXIT_FAILURE);
3315 }
3316 break;
3317 #ifdef CONFIG_TPM
3318 case QEMU_OPTION_tpmdev:
3319 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3320 exit(1);
3321 }
3322 break;
3323 #endif
3324 case QEMU_OPTION_mempath:
3325 mem_path = optarg;
3326 break;
3327 case QEMU_OPTION_mem_prealloc:
3328 mem_prealloc = 1;
3329 break;
3330 case QEMU_OPTION_d:
3331 log_mask = optarg;
3332 break;
3333 case QEMU_OPTION_D:
3334 log_file = optarg;
3335 break;
3336 case QEMU_OPTION_DFILTER:
3337 qemu_set_dfilter_ranges(optarg, &error_fatal);
3338 break;
3339 case QEMU_OPTION_s:
3340 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3341 break;
3342 case QEMU_OPTION_gdb:
3343 add_device_config(DEV_GDB, optarg);
3344 break;
3345 case QEMU_OPTION_L:
3346 if (is_help_option(optarg)) {
3347 list_data_dirs = true;
3348 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3349 data_dir[data_dir_idx++] = optarg;
3350 }
3351 break;
3352 case QEMU_OPTION_bios:
3353 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3354 &error_abort);
3355 break;
3356 case QEMU_OPTION_singlestep:
3357 singlestep = 1;
3358 break;
3359 case QEMU_OPTION_S:
3360 autostart = 0;
3361 break;
3362 case QEMU_OPTION_k:
3363 keyboard_layout = optarg;
3364 break;
3365 case QEMU_OPTION_localtime:
3366 rtc_utc = 0;
3367 break;
3368 case QEMU_OPTION_vga:
3369 vga_model = optarg;
3370 default_vga = 0;
3371 break;
3372 case QEMU_OPTION_g:
3373 {
3374 const char *p;
3375 int w, h, depth;
3376 p = optarg;
3377 w = strtol(p, (char **)&p, 10);
3378 if (w <= 0) {
3379 graphic_error:
3380 error_report("invalid resolution or depth");
3381 exit(1);
3382 }
3383 if (*p != 'x')
3384 goto graphic_error;
3385 p++;
3386 h = strtol(p, (char **)&p, 10);
3387 if (h <= 0)
3388 goto graphic_error;
3389 if (*p == 'x') {
3390 p++;
3391 depth = strtol(p, (char **)&p, 10);
3392 if (depth != 8 && depth != 15 && depth != 16 &&
3393 depth != 24 && depth != 32)
3394 goto graphic_error;
3395 } else if (*p == '\0') {
3396 depth = graphic_depth;
3397 } else {
3398 goto graphic_error;
3399 }
3400
3401 graphic_width = w;
3402 graphic_height = h;
3403 graphic_depth = depth;
3404 }
3405 break;
3406 case QEMU_OPTION_echr:
3407 {
3408 char *r;
3409 term_escape_char = strtol(optarg, &r, 0);
3410 if (r == optarg)
3411 printf("Bad argument to echr\n");
3412 break;
3413 }
3414 case QEMU_OPTION_monitor:
3415 default_monitor = 0;
3416 if (strncmp(optarg, "none", 4)) {
3417 monitor_parse(optarg, "readline", false);
3418 }
3419 break;
3420 case QEMU_OPTION_qmp:
3421 monitor_parse(optarg, "control", false);
3422 default_monitor = 0;
3423 break;
3424 case QEMU_OPTION_qmp_pretty:
3425 monitor_parse(optarg, "control", true);
3426 default_monitor = 0;
3427 break;
3428 case QEMU_OPTION_mon:
3429 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3430 true);
3431 if (!opts) {
3432 exit(1);
3433 }
3434 default_monitor = 0;
3435 break;
3436 case QEMU_OPTION_chardev:
3437 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3438 optarg, true);
3439 if (!opts) {
3440 exit(1);
3441 }
3442 break;
3443 case QEMU_OPTION_fsdev:
3444 olist = qemu_find_opts("fsdev");
3445 if (!olist) {
3446 error_report("fsdev support is disabled");
3447 exit(1);
3448 }
3449 opts = qemu_opts_parse_noisily(olist, optarg, true);
3450 if (!opts) {
3451 exit(1);
3452 }
3453 break;
3454 case QEMU_OPTION_virtfs: {
3455 QemuOpts *fsdev;
3456 QemuOpts *device;
3457 const char *writeout, *sock_fd, *socket;
3458
3459 olist = qemu_find_opts("virtfs");
3460 if (!olist) {
3461 error_report("virtfs support is disabled");
3462 exit(1);
3463 }
3464 opts = qemu_opts_parse_noisily(olist, optarg, true);
3465 if (!opts) {
3466 exit(1);
3467 }
3468
3469 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3470 qemu_opt_get(opts, "mount_tag") == NULL) {
3471 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3472 exit(1);
3473 }
3474 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3475 qemu_opt_get(opts, "mount_tag"),
3476 1, NULL);
3477 if (!fsdev) {
3478 error_report("duplicate fsdev id: %s",
3479 qemu_opt_get(opts, "mount_tag"));
3480 exit(1);
3481 }
3482
3483 writeout = qemu_opt_get(opts, "writeout");
3484 if (writeout) {
3485 #ifdef CONFIG_SYNC_FILE_RANGE
3486 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3487 #else
3488 error_report("writeout=immediate not supported "
3489 "on this platform");
3490 exit(1);
3491 #endif
3492 }
3493 qemu_opt_set(fsdev, "fsdriver",
3494 qemu_opt_get(opts, "fsdriver"), &error_abort);
3495 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3496 &error_abort);
3497 qemu_opt_set(fsdev, "security_model",
3498 qemu_opt_get(opts, "security_model"),
3499 &error_abort);
3500 socket = qemu_opt_get(opts, "socket");
3501 if (socket) {
3502 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3503 }
3504 sock_fd = qemu_opt_get(opts, "sock_fd");
3505 if (sock_fd) {
3506 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3507 }
3508
3509 qemu_opt_set_bool(fsdev, "readonly",
3510 qemu_opt_get_bool(opts, "readonly", 0),
3511 &error_abort);
3512 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3513 &error_abort);
3514 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3515 qemu_opt_set(device, "fsdev",
3516 qemu_opt_get(opts, "mount_tag"), &error_abort);
3517 qemu_opt_set(device, "mount_tag",
3518 qemu_opt_get(opts, "mount_tag"), &error_abort);
3519 break;
3520 }
3521 case QEMU_OPTION_virtfs_synth: {
3522 QemuOpts *fsdev;
3523 QemuOpts *device;
3524
3525 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3526 1, NULL);
3527 if (!fsdev) {
3528 error_report("duplicate option: %s", "virtfs_synth");
3529 exit(1);
3530 }
3531 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3532
3533 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3534 &error_abort);
3535 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3536 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3537 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3538 break;
3539 }
3540 case QEMU_OPTION_serial:
3541 add_device_config(DEV_SERIAL, optarg);
3542 default_serial = 0;
3543 if (strncmp(optarg, "mon:", 4) == 0) {
3544 default_monitor = 0;
3545 }
3546 break;
3547 case QEMU_OPTION_watchdog:
3548 if (watchdog) {
3549 error_report("only one watchdog option may be given");
3550 return 1;
3551 }
3552 watchdog = optarg;
3553 break;
3554 case QEMU_OPTION_watchdog_action:
3555 if (select_watchdog_action(optarg) == -1) {
3556 error_report("unknown -watchdog-action parameter");
3557 exit(1);
3558 }
3559 break;
3560 case QEMU_OPTION_virtiocon:
3561 add_device_config(DEV_VIRTCON, optarg);
3562 default_virtcon = 0;
3563 if (strncmp(optarg, "mon:", 4) == 0) {
3564 default_monitor = 0;
3565 }
3566 break;
3567 case QEMU_OPTION_parallel:
3568 add_device_config(DEV_PARALLEL, optarg);
3569 default_parallel = 0;
3570 if (strncmp(optarg, "mon:", 4) == 0) {
3571 default_monitor = 0;
3572 }
3573 break;
3574 case QEMU_OPTION_debugcon:
3575 add_device_config(DEV_DEBUGCON, optarg);
3576 break;
3577 case QEMU_OPTION_loadvm:
3578 loadvm = optarg;
3579 break;
3580 case QEMU_OPTION_full_screen:
3581 full_screen = 1;
3582 break;
3583 case QEMU_OPTION_no_frame:
3584 no_frame = 1;
3585 break;
3586 case QEMU_OPTION_alt_grab:
3587 alt_grab = 1;
3588 break;
3589 case QEMU_OPTION_ctrl_grab:
3590 ctrl_grab = 1;
3591 break;
3592 case QEMU_OPTION_no_quit:
3593 no_quit = 1;
3594 break;
3595 case QEMU_OPTION_sdl:
3596 #ifdef CONFIG_SDL
3597 display_type = DT_SDL;
3598 break;
3599 #else
3600 error_report("SDL support is disabled");
3601 exit(1);
3602 #endif
3603 case QEMU_OPTION_pidfile:
3604 pid_file = optarg;
3605 break;
3606 case QEMU_OPTION_win2k_hack:
3607 win2k_install_hack = 1;
3608 break;
3609 case QEMU_OPTION_rtc_td_hack: {
3610 static GlobalProperty slew_lost_ticks = {
3611 .driver = "mc146818rtc",
3612 .property = "lost_tick_policy",
3613 .value = "slew",
3614 };
3615
3616 qdev_prop_register_global(&slew_lost_ticks);
3617 break;
3618 }
3619 case QEMU_OPTION_acpitable:
3620 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3621 optarg, true);
3622 if (!opts) {
3623 exit(1);
3624 }
3625 acpi_table_add(opts, &error_fatal);
3626 break;
3627 case QEMU_OPTION_smbios:
3628 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3629 optarg, false);
3630 if (!opts) {
3631 exit(1);
3632 }
3633 smbios_entry_add(opts, &error_fatal);
3634 break;
3635 case QEMU_OPTION_fwcfg:
3636 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3637 optarg, true);
3638 if (opts == NULL) {
3639 exit(1);
3640 }
3641 break;
3642 case QEMU_OPTION_enable_kvm:
3643 olist = qemu_find_opts("machine");
3644 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3645 break;
3646 case QEMU_OPTION_enable_hax:
3647 olist = qemu_find_opts("machine");
3648 qemu_opts_parse_noisily(olist, "accel=hax", false);
3649 break;
3650 case QEMU_OPTION_M:
3651 case QEMU_OPTION_machine:
3652 olist = qemu_find_opts("machine");
3653 opts = qemu_opts_parse_noisily(olist, optarg, true);
3654 if (!opts) {
3655 exit(1);
3656 }
3657 break;
3658 case QEMU_OPTION_no_kvm:
3659 olist = qemu_find_opts("machine");
3660 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3661 break;
3662 case QEMU_OPTION_no_kvm_pit: {
3663 error_report("warning: ignoring deprecated option");
3664 break;
3665 }
3666 case QEMU_OPTION_no_kvm_pit_reinjection: {
3667 static GlobalProperty kvm_pit_lost_tick_policy = {
3668 .driver = "kvm-pit",
3669 .property = "lost_tick_policy",
3670 .value = "discard",
3671 };
3672
3673 error_report("warning: deprecated, replaced by "
3674 "-global kvm-pit.lost_tick_policy=discard");
3675 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3676 break;
3677 }
3678 case QEMU_OPTION_usb:
3679 olist = qemu_find_opts("machine");
3680 qemu_opts_parse_noisily(olist, "usb=on", false);
3681 break;
3682 case QEMU_OPTION_usbdevice:
3683 olist = qemu_find_opts("machine");
3684 qemu_opts_parse_noisily(olist, "usb=on", false);
3685 add_device_config(DEV_USB, optarg);
3686 break;
3687 case QEMU_OPTION_device:
3688 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3689 optarg, true)) {
3690 exit(1);
3691 }
3692 break;
3693 case QEMU_OPTION_smp:
3694 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3695 optarg, true)) {
3696 exit(1);
3697 }
3698 break;
3699 case QEMU_OPTION_vnc:
3700 vnc_parse(optarg, &error_fatal);
3701 break;
3702 case QEMU_OPTION_no_acpi:
3703 acpi_enabled = 0;
3704 break;
3705 case QEMU_OPTION_no_hpet:
3706 no_hpet = 1;
3707 break;
3708 case QEMU_OPTION_balloon:
3709 if (balloon_parse(optarg) < 0) {
3710 error_report("unknown -balloon argument %s", optarg);
3711 exit(1);
3712 }
3713 break;
3714 case QEMU_OPTION_no_reboot:
3715 no_reboot = 1;
3716 break;
3717 case QEMU_OPTION_no_shutdown:
3718 no_shutdown = 1;
3719 break;
3720 case QEMU_OPTION_show_cursor:
3721 cursor_hide = 0;
3722 break;
3723 case QEMU_OPTION_uuid:
3724 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3725 error_report("failed to parse UUID string: wrong format");
3726 exit(1);
3727 }
3728 qemu_uuid_set = true;
3729 break;
3730 case QEMU_OPTION_option_rom:
3731 if (nb_option_roms >= MAX_OPTION_ROMS) {
3732 error_report("too many option ROMs");
3733 exit(1);
3734 }
3735 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3736 optarg, true);
3737 if (!opts) {
3738 exit(1);
3739 }
3740 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3741 option_rom[nb_option_roms].bootindex =
3742 qemu_opt_get_number(opts, "bootindex", -1);
3743 if (!option_rom[nb_option_roms].name) {
3744 error_report("Option ROM file is not specified");
3745 exit(1);
3746 }
3747 nb_option_roms++;
3748 break;
3749 case QEMU_OPTION_semihosting:
3750 semihosting.enabled = true;
3751 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3752 break;
3753 case QEMU_OPTION_semihosting_config:
3754 semihosting.enabled = true;
3755 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3756 optarg, false);
3757 if (opts != NULL) {
3758 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3759 true);
3760 const char *target = qemu_opt_get(opts, "target");
3761 if (target != NULL) {
3762 if (strcmp("native", target) == 0) {
3763 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3764 } else if (strcmp("gdb", target) == 0) {
3765 semihosting.target = SEMIHOSTING_TARGET_GDB;
3766 } else if (strcmp("auto", target) == 0) {
3767 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3768 } else {
3769 error_report("unsupported semihosting-config %s",
3770 optarg);
3771 exit(1);
3772 }
3773 } else {
3774 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3775 }
3776 /* Set semihosting argument count and vector */
3777 qemu_opt_foreach(opts, add_semihosting_arg,
3778 &semihosting, NULL);
3779 } else {
3780 error_report("unsupported semihosting-config %s", optarg);
3781 exit(1);
3782 }
3783 break;
3784 case QEMU_OPTION_tdf:
3785 error_report("warning: ignoring deprecated option");
3786 break;
3787 case QEMU_OPTION_name:
3788 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3789 optarg, true);
3790 if (!opts) {
3791 exit(1);
3792 }
3793 break;
3794 case QEMU_OPTION_prom_env:
3795 if (nb_prom_envs >= MAX_PROM_ENVS) {
3796 error_report("too many prom variables");
3797 exit(1);
3798 }
3799 prom_envs[nb_prom_envs] = optarg;
3800 nb_prom_envs++;
3801 break;
3802 case QEMU_OPTION_old_param:
3803 old_param = 1;
3804 break;
3805 case QEMU_OPTION_clock:
3806 /* Clock options no longer exist. Keep this option for
3807 * backward compatibility.
3808 */
3809 break;
3810 case QEMU_OPTION_startdate:
3811 configure_rtc_date_offset(optarg, 1);
3812 break;
3813 case QEMU_OPTION_rtc:
3814 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3815 false);
3816 if (!opts) {
3817 exit(1);
3818 }
3819 configure_rtc(opts);
3820 break;
3821 case QEMU_OPTION_tb_size:
3822 tcg_tb_size = strtol(optarg, NULL, 0);
3823 if (tcg_tb_size < 0) {
3824 tcg_tb_size = 0;
3825 }
3826 break;
3827 case QEMU_OPTION_icount:
3828 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3829 optarg, true);
3830 if (!icount_opts) {
3831 exit(1);
3832 }
3833 break;
3834 case QEMU_OPTION_incoming:
3835 if (!incoming) {
3836 runstate_set(RUN_STATE_INMIGRATE);
3837 }
3838 incoming = optarg;
3839 break;
3840 case QEMU_OPTION_only_migratable:
3841 only_migratable = 1;
3842 break;
3843 case QEMU_OPTION_nodefaults:
3844 has_defaults = 0;
3845 break;
3846 case QEMU_OPTION_xen_domid:
3847 if (!(xen_available())) {
3848 error_report("Option not supported for this target");
3849 exit(1);
3850 }
3851 xen_domid = atoi(optarg);
3852 break;
3853 case QEMU_OPTION_xen_create:
3854 if (!(xen_available())) {
3855 error_report("Option not supported for this target");
3856 exit(1);
3857 }
3858 xen_mode = XEN_CREATE;
3859 break;
3860 case QEMU_OPTION_xen_attach:
3861 if (!(xen_available())) {
3862 error_report("Option not supported for this target");
3863 exit(1);
3864 }
3865 xen_mode = XEN_ATTACH;
3866 break;
3867 case QEMU_OPTION_trace:
3868 g_free(trace_file);
3869 trace_file = trace_opt_parse(optarg);
3870 break;
3871 case QEMU_OPTION_readconfig:
3872 {
3873 int ret = qemu_read_config_file(optarg);
3874 if (ret < 0) {
3875 error_report("read config %s: %s", optarg,
3876 strerror(-ret));
3877 exit(1);
3878 }
3879 break;
3880 }
3881 case QEMU_OPTION_spice:
3882 olist = qemu_find_opts("spice");
3883 if (!olist) {
3884 error_report("spice support is disabled");
3885 exit(1);
3886 }
3887 opts = qemu_opts_parse_noisily(olist, optarg, false);
3888 if (!opts) {
3889 exit(1);
3890 }
3891 display_remote++;
3892 break;
3893 case QEMU_OPTION_writeconfig:
3894 {
3895 FILE *fp;
3896 if (strcmp(optarg, "-") == 0) {
3897 fp = stdout;
3898 } else {
3899 fp = fopen(optarg, "w");
3900 if (fp == NULL) {
3901 error_report("open %s: %s", optarg,
3902 strerror(errno));
3903 exit(1);
3904 }
3905 }
3906 qemu_config_write(fp);
3907 if (fp != stdout) {
3908 fclose(fp);
3909 }
3910 break;
3911 }
3912 case QEMU_OPTION_qtest:
3913 qtest_chrdev = optarg;
3914 break;
3915 case QEMU_OPTION_qtest_log:
3916 qtest_log = optarg;
3917 break;
3918 case QEMU_OPTION_sandbox:
3919 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3920 optarg, true);
3921 if (!opts) {
3922 exit(1);
3923 }
3924 break;
3925 case QEMU_OPTION_add_fd:
3926 #ifndef _WIN32
3927 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3928 optarg, false);
3929 if (!opts) {
3930 exit(1);
3931 }
3932 #else
3933 error_report("File descriptor passing is disabled on this "
3934 "platform");
3935 exit(1);
3936 #endif
3937 break;
3938 case QEMU_OPTION_object:
3939 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3940 optarg, true);
3941 if (!opts) {
3942 exit(1);
3943 }
3944 break;
3945 case QEMU_OPTION_realtime:
3946 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3947 optarg, false);
3948 if (!opts) {
3949 exit(1);
3950 }
3951 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3952 break;
3953 case QEMU_OPTION_msg:
3954 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3955 false);
3956 if (!opts) {
3957 exit(1);
3958 }
3959 configure_msg(opts);
3960 break;
3961 case QEMU_OPTION_dump_vmstate:
3962 if (vmstate_dump_file) {
3963 error_report("only one '-dump-vmstate' "
3964 "option may be given");
3965 exit(1);
3966 }
3967 vmstate_dump_file = fopen(optarg, "w");
3968 if (vmstate_dump_file == NULL) {
3969 error_report("open %s: %s", optarg, strerror(errno));
3970 exit(1);
3971 }
3972 break;
3973 default:
3974 os_parse_cmd_args(popt->index, optarg);
3975 }
3976 }
3977 }
3978 /*
3979 * Clear error location left behind by the loop.
3980 * Best done right after the loop. Do not insert code here!
3981 */
3982 loc_set_none();
3983
3984 replay_configure(icount_opts);
3985
3986 machine_class = select_machine();
3987
3988 set_memory_options(&ram_slots, &maxram_size, machine_class);
3989
3990 os_daemonize();
3991
3992 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3993 error_report("could not acquire pid file: %s", strerror(errno));
3994 exit(1);
3995 }
3996
3997 if (qemu_init_main_loop(&main_loop_err)) {
3998 error_report_err(main_loop_err);
3999 exit(1);
4000 }
4001
4002 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4003 parse_sandbox, NULL, NULL)) {
4004 exit(1);
4005 }
4006
4007 if (qemu_opts_foreach(qemu_find_opts("name"),
4008 parse_name, NULL, NULL)) {
4009 exit(1);
4010 }
4011
4012 #ifndef _WIN32
4013 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4014 parse_add_fd, NULL, NULL)) {
4015 exit(1);
4016 }
4017
4018 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4019 cleanup_add_fd, NULL, NULL)) {
4020 exit(1);
4021 }
4022 #endif
4023
4024 current_machine = MACHINE(object_new(object_class_get_name(
4025 OBJECT_CLASS(machine_class))));
4026 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4027 exit(0);
4028 }
4029 object_property_add_child(object_get_root(), "machine",
4030 OBJECT(current_machine), &error_abort);
4031
4032 if (machine_class->minimum_page_bits) {
4033 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4034 /* This would be a board error: specifying a minimum smaller than
4035 * a target's compile-time fixed setting.
4036 */
4037 g_assert_not_reached();
4038 }
4039 }
4040
4041 cpu_exec_init_all();
4042
4043 if (machine_class->hw_version) {
4044 qemu_set_hw_version(machine_class->hw_version);
4045 }
4046
4047 if (cpu_model && is_help_option(cpu_model)) {
4048 list_cpus(stdout, &fprintf, cpu_model);
4049 exit(0);
4050 }
4051
4052 if (!trace_init_backends()) {
4053 exit(1);
4054 }
4055 trace_init_file(trace_file);
4056
4057 /* Open the logfile at this point and set the log mask if necessary.
4058 */
4059 if (log_file) {
4060 qemu_set_log_filename(log_file, &error_fatal);
4061 }
4062
4063 if (log_mask) {
4064 int mask;
4065 mask = qemu_str_to_log_mask(log_mask);
4066 if (!mask) {
4067 qemu_print_log_usage(stdout);
4068 exit(1);
4069 }
4070 qemu_set_log(mask);
4071 } else {
4072 qemu_set_log(0);
4073 }
4074
4075 /* If no data_dir is specified then try to find it relative to the
4076 executable path. */
4077 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4078 data_dir[data_dir_idx] = os_find_datadir();
4079 if (data_dir[data_dir_idx] != NULL) {
4080 data_dir_idx++;
4081 }
4082 }
4083 /* If all else fails use the install path specified when building. */
4084 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4085 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4086 }
4087
4088 /* -L help lists the data directories and exits. */
4089 if (list_data_dirs) {
4090 for (i = 0; i < data_dir_idx; i++) {
4091 printf("%s\n", data_dir[i]);
4092 }
4093 exit(0);
4094 }
4095
4096 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4097
4098 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4099 if (max_cpus > machine_class->max_cpus) {
4100 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4101 "supported by machine '%s' (%d)", max_cpus,
4102 machine_class->name, machine_class->max_cpus);
4103 exit(1);
4104 }
4105
4106 /*
4107 * Get the default machine options from the machine if it is not already
4108 * specified either by the configuration file or by the command line.
4109 */
4110 if (machine_class->default_machine_opts) {
4111 qemu_opts_set_defaults(qemu_find_opts("machine"),
4112 machine_class->default_machine_opts, 0);
4113 }
4114
4115 qemu_opts_foreach(qemu_find_opts("device"),
4116 default_driver_check, NULL, NULL);
4117 qemu_opts_foreach(qemu_find_opts("global"),
4118 default_driver_check, NULL, NULL);
4119
4120 if (!vga_model && !default_vga) {
4121 vga_interface_type = VGA_DEVICE;
4122 }
4123 if (!has_defaults || machine_class->no_serial) {
4124 default_serial = 0;
4125 }
4126 if (!has_defaults || machine_class->no_parallel) {
4127 default_parallel = 0;
4128 }
4129 if (!has_defaults || !machine_class->use_virtcon) {
4130 default_virtcon = 0;
4131 }
4132 if (!has_defaults || !machine_class->use_sclp) {
4133 default_sclp = 0;
4134 }
4135 if (!has_defaults || machine_class->no_floppy) {
4136 default_floppy = 0;
4137 }
4138 if (!has_defaults || machine_class->no_cdrom) {
4139 default_cdrom = 0;
4140 }
4141 if (!has_defaults || machine_class->no_sdcard) {
4142 default_sdcard = 0;
4143 }
4144 if (!has_defaults) {
4145 default_monitor = 0;
4146 default_net = 0;
4147 default_vga = 0;
4148 }
4149
4150 if (is_daemonized()) {
4151 /* According to documentation and historically, -nographic redirects
4152 * serial port, parallel port and monitor to stdio, which does not work
4153 * with -daemonize. We can redirect these to null instead, but since
4154 * -nographic is legacy, let's just error out.
4155 * We disallow -nographic only if all other ports are not redirected
4156 * explicitly, to not break existing legacy setups which uses
4157 * -nographic _and_ redirects all ports explicitly - this is valid
4158 * usage, -nographic is just a no-op in this case.
4159 */
4160 if (nographic
4161 && (default_parallel || default_serial
4162 || default_monitor || default_virtcon)) {
4163 error_report("-nographic cannot be used with -daemonize");
4164 exit(1);
4165 }
4166 #ifdef CONFIG_CURSES
4167 if (display_type == DT_CURSES) {
4168 error_report("curses display cannot be used with -daemonize");
4169 exit(1);
4170 }
4171 #endif
4172 }
4173
4174 if (nographic) {
4175 if (default_parallel)
4176 add_device_config(DEV_PARALLEL, "null");
4177 if (default_serial && default_monitor) {
4178 add_device_config(DEV_SERIAL, "mon:stdio");
4179 } else if (default_virtcon && default_monitor) {
4180 add_device_config(DEV_VIRTCON, "mon:stdio");
4181 } else if (default_sclp && default_monitor) {
4182 add_device_config(DEV_SCLP, "mon:stdio");
4183 } else {
4184 if (default_serial)
4185 add_device_config(DEV_SERIAL, "stdio");
4186 if (default_virtcon)
4187 add_device_config(DEV_VIRTCON, "stdio");
4188 if (default_sclp) {
4189 add_device_config(DEV_SCLP, "stdio");
4190 }
4191 if (default_monitor)
4192 monitor_parse("stdio", "readline", false);
4193 }
4194 } else {
4195 if (default_serial)
4196 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4197 if (default_parallel)
4198 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4199 if (default_monitor)
4200 monitor_parse("vc:80Cx24C", "readline", false);
4201 if (default_virtcon)
4202 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4203 if (default_sclp) {
4204 add_device_config(DEV_SCLP, "vc:80Cx24C");
4205 }
4206 }
4207
4208 #if defined(CONFIG_VNC)
4209 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4210 display_remote++;
4211 }
4212 #endif
4213 if (display_type == DT_DEFAULT && !display_remote) {
4214 #if defined(CONFIG_GTK)
4215 display_type = DT_GTK;
4216 #elif defined(CONFIG_SDL)
4217 display_type = DT_SDL;
4218 #elif defined(CONFIG_COCOA)
4219 display_type = DT_COCOA;
4220 #elif defined(CONFIG_VNC)
4221 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4222 #else
4223 display_type = DT_NONE;
4224 #endif
4225 }
4226
4227 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4228 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4229 "for SDL, ignoring option");
4230 }
4231 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4232 error_report("-no-quit is only valid for GTK and SDL, "
4233 "ignoring option");
4234 }
4235
4236 if (display_type == DT_GTK) {
4237 early_gtk_display_init(request_opengl);
4238 }
4239
4240 if (display_type == DT_SDL) {
4241 sdl_display_early_init(request_opengl);
4242 }
4243
4244 qemu_console_early_init();
4245
4246 if (request_opengl == 1 && display_opengl == 0) {
4247 #if defined(CONFIG_OPENGL)
4248 error_report("OpenGL is not supported by the display");
4249 #else
4250 error_report("OpenGL support is disabled");
4251 #endif
4252 exit(1);
4253 }
4254
4255 page_size_init();
4256 socket_init();
4257
4258 if (qemu_opts_foreach(qemu_find_opts("object"),
4259 user_creatable_add_opts_foreach,
4260 object_create_initial, NULL)) {
4261 exit(1);
4262 }
4263
4264 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4265 chardev_init_func, NULL, NULL)) {
4266 exit(1);
4267 }
4268
4269 #ifdef CONFIG_VIRTFS
4270 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4271 fsdev_init_func, NULL, NULL)) {
4272 exit(1);
4273 }
4274 #endif
4275
4276 if (qemu_opts_foreach(qemu_find_opts("device"),
4277 device_help_func, NULL, NULL)) {
4278 exit(0);
4279 }
4280
4281 machine_opts = qemu_get_machine_opts();
4282 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4283 NULL)) {
4284 object_unref(OBJECT(current_machine));
4285 exit(1);
4286 }
4287
4288 configure_accelerator(current_machine);
4289
4290 if (qtest_chrdev) {
4291 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4292 }
4293
4294 machine_opts = qemu_get_machine_opts();
4295 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4296 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4297 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4298 bios_name = qemu_opt_get(machine_opts, "firmware");
4299
4300 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4301 if (opts) {
4302 boot_order = qemu_opt_get(opts, "order");
4303 if (boot_order) {
4304 validate_bootdevices(boot_order, &error_fatal);
4305 }
4306
4307 boot_once = qemu_opt_get(opts, "once");
4308 if (boot_once) {
4309 validate_bootdevices(boot_once, &error_fatal);
4310 }
4311
4312 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4313 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4314 }
4315
4316 if (!boot_order) {
4317 boot_order = machine_class->default_boot_order;
4318 }
4319
4320 if (!kernel_cmdline) {
4321 kernel_cmdline = "";
4322 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4323 }
4324
4325 linux_boot = (kernel_filename != NULL);
4326
4327 if (!linux_boot && *kernel_cmdline != '\0') {
4328 error_report("-append only allowed with -kernel option");
4329 exit(1);
4330 }
4331
4332 if (!linux_boot && initrd_filename != NULL) {
4333 error_report("-initrd only allowed with -kernel option");
4334 exit(1);
4335 }
4336
4337 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4338 /* fall back to the -kernel/-append */
4339 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4340 }
4341
4342 os_set_line_buffering();
4343
4344 /* spice needs the timers to be initialized by this point */
4345 qemu_spice_init();
4346
4347 cpu_ticks_init();
4348 if (icount_opts) {
4349 if (!tcg_enabled()) {
4350 error_report("-icount is not allowed with hardware virtualization");
4351 exit(1);
4352 }
4353 configure_icount(icount_opts, &error_abort);
4354 qemu_opts_del(icount_opts);
4355 }
4356
4357 if (default_net) {
4358 QemuOptsList *net = qemu_find_opts("net");
4359 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4360 #ifdef CONFIG_SLIRP
4361 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4362 #endif
4363 }
4364
4365 colo_info_init();
4366
4367 if (net_init_clients() < 0) {
4368 exit(1);
4369 }
4370
4371 if (qemu_opts_foreach(qemu_find_opts("object"),
4372 user_creatable_add_opts_foreach,
4373 object_create_delayed, NULL)) {
4374 exit(1);
4375 }
4376
4377 #ifdef CONFIG_TPM
4378 if (tpm_init() < 0) {
4379 exit(1);
4380 }
4381 #endif
4382
4383 /* init the bluetooth world */
4384 if (foreach_device_config(DEV_BT, bt_parse))
4385 exit(1);
4386
4387 if (!xen_enabled()) {
4388 /* On 32-bit hosts, QEMU is limited by virtual address space */
4389 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4390 error_report("at most 2047 MB RAM can be simulated");
4391 exit(1);
4392 }
4393 }
4394
4395 blk_mig_init();
4396 ram_mig_init();
4397
4398 /* If the currently selected machine wishes to override the units-per-bus
4399 * property of its default HBA interface type, do so now. */
4400 if (machine_class->units_per_default_bus) {
4401 override_max_devs(machine_class->block_default_type,
4402 machine_class->units_per_default_bus);
4403 }
4404
4405 /* open the virtual block devices */
4406 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4407 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4408 NULL, NULL);
4409 }
4410 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4411 &machine_class->block_default_type, NULL)) {
4412 exit(1);
4413 }
4414
4415 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4416 CDROM_OPTS);
4417 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4418 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4419
4420 parse_numa_opts(machine_class);
4421
4422 if (qemu_opts_foreach(qemu_find_opts("mon"),
4423 mon_init_func, NULL, NULL)) {
4424 exit(1);
4425 }
4426
4427 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4428 exit(1);
4429 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4430 exit(1);
4431 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4432 exit(1);
4433 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4434 exit(1);
4435 }
4436 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4437 exit(1);
4438
4439 /* If no default VGA is requested, the default is "none". */
4440 if (default_vga) {
4441 if (machine_class->default_display) {
4442 vga_model = machine_class->default_display;
4443 } else if (vga_interface_available(VGA_CIRRUS)) {
4444 vga_model = "cirrus";
4445 } else if (vga_interface_available(VGA_STD)) {
4446 vga_model = "std";
4447 }
4448 }
4449 if (vga_model) {
4450 select_vgahw(vga_model);
4451 }
4452
4453 if (watchdog) {
4454 i = select_watchdog(watchdog);
4455 if (i > 0)
4456 exit (i == 1 ? 1 : 0);
4457 }
4458
4459 machine_register_compat_props(current_machine);
4460
4461 qemu_opts_foreach(qemu_find_opts("global"),
4462 global_init_func, NULL, NULL);
4463
4464 /* This checkpoint is required by replay to separate prior clock
4465 reading from the other reads, because timer polling functions query
4466 clock values from the log. */
4467 replay_checkpoint(CHECKPOINT_INIT);
4468 qdev_machine_init();
4469
4470 current_machine->ram_size = ram_size;
4471 current_machine->maxram_size = maxram_size;
4472 current_machine->ram_slots = ram_slots;
4473 current_machine->boot_order = boot_order;
4474 current_machine->cpu_model = cpu_model;
4475
4476 machine_class->init(current_machine);
4477
4478 realtime_init();
4479
4480 audio_init();
4481
4482 if (hax_enabled()) {
4483 hax_sync_vcpus();
4484 }
4485
4486 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4487 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4488 exit(1);
4489 }
4490
4491 /* init USB devices */
4492 if (machine_usb(current_machine)) {
4493 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4494 exit(1);
4495 }
4496
4497 /* Check if IGD GFX passthrough. */
4498 igd_gfx_passthru();
4499
4500 /* init generic devices */
4501 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4502 if (qemu_opts_foreach(qemu_find_opts("device"),
4503 device_init_func, NULL, NULL)) {
4504 exit(1);
4505 }
4506
4507 cpu_synchronize_all_post_init();
4508
4509 numa_post_machine_init();
4510
4511 rom_reset_order_override();
4512
4513 /*
4514 * Create frontends for -drive if=scsi leftovers.
4515 * Normally, frontends for -drive get created by machine
4516 * initialization for onboard SCSI HBAs. However, we create a few
4517 * more ever since SCSI qdevification, but this is pretty much an
4518 * implementation accident, and deprecated.
4519 */
4520 scsi_legacy_handle_cmdline();
4521
4522 /* Did we create any drives that we failed to create a device for? */
4523 drive_check_orphaned();
4524
4525 /* Don't warn about the default network setup that you get if
4526 * no command line -net or -netdev options are specified. There
4527 * are two cases that we would otherwise complain about:
4528 * (1) board doesn't support a NIC but the implicit "-net nic"
4529 * requested one
4530 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4531 * sets up a nic that isn't connected to anything.
4532 */
4533 if (!default_net) {
4534 net_check_clients();
4535 }
4536
4537
4538 if (boot_once) {
4539 qemu_boot_set(boot_once, &error_fatal);
4540 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4541 }
4542
4543 ds = init_displaystate();
4544
4545 /* init local displays */
4546 switch (display_type) {
4547 case DT_CURSES:
4548 curses_display_init(ds, full_screen);
4549 break;
4550 case DT_SDL:
4551 sdl_display_init(ds, full_screen, no_frame);
4552 break;
4553 case DT_COCOA:
4554 cocoa_display_init(ds, full_screen);
4555 break;
4556 case DT_GTK:
4557 gtk_display_init(ds, full_screen, grab_on_hover);
4558 break;
4559 default:
4560 break;
4561 }
4562
4563 /* must be after terminal init, SDL library changes signal handlers */
4564 os_setup_signal_handling();
4565
4566 /* init remote displays */
4567 #ifdef CONFIG_VNC
4568 qemu_opts_foreach(qemu_find_opts("vnc"),
4569 vnc_init_func, NULL, NULL);
4570 #endif
4571
4572 if (using_spice) {
4573 qemu_spice_display_init();
4574 }
4575
4576 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4577 exit(1);
4578 }
4579
4580 qdev_machine_creation_done();
4581
4582 /* TODO: once all bus devices are qdevified, this should be done
4583 * when bus is created by qdev.c */
4584 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4585 qemu_run_machine_init_done_notifiers();
4586
4587 if (rom_check_and_register_reset() != 0) {
4588 error_report("rom check and register reset failed");
4589 exit(1);
4590 }
4591
4592 replay_start();
4593
4594 /* This checkpoint is required by replay to separate prior clock
4595 reading from the other reads, because timer polling functions query
4596 clock values from the log. */
4597 replay_checkpoint(CHECKPOINT_RESET);
4598 qemu_system_reset(VMRESET_SILENT);
4599 register_global_state();
4600 if (replay_mode != REPLAY_MODE_NONE) {
4601 replay_vmstate_init();
4602 } else if (loadvm) {
4603 if (load_vmstate(loadvm) < 0) {
4604 autostart = 0;
4605 }
4606 }
4607
4608 qdev_prop_check_globals();
4609 if (vmstate_dump_file) {
4610 /* dump and exit */
4611 dump_vmstate_json_to_file(vmstate_dump_file);
4612 return 0;
4613 }
4614
4615 if (incoming) {
4616 Error *local_err = NULL;
4617 qemu_start_incoming_migration(incoming, &local_err);
4618 if (local_err) {
4619 error_reportf_err(local_err, "-incoming %s: ", incoming);
4620 exit(1);
4621 }
4622 } else if (autostart) {
4623 vm_start();
4624 }
4625
4626 os_setup_post();
4627
4628 main_loop();
4629 replay_disable_events();
4630 iothread_stop_all();
4631
4632 bdrv_close_all();
4633 pause_all_vcpus();
4634 res_free();
4635
4636 /* vhost-user must be cleaned up before chardevs. */
4637 net_cleanup();
4638 audio_cleanup();
4639 monitor_cleanup();
4640 qemu_chr_cleanup();
4641
4642 return 0;
4643 }
Ray Wang's QEMU Repository