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hw/dma: vmstateify rc4030
[qemu/kevin.git] / vl.c
blobab0349b0f42699ee5b7f6a1fb9a7fbe3c887eb7d
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
29
30 #ifdef CONFIG_SECCOMP
31 #include "sysemu/seccomp.h"
32 #endif
33
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
36 #endif
37
38 #ifdef CONFIG_SDL
39 #if defined(__APPLE__) || defined(main)
40 #include <SDL.h>
41 int qemu_main(int argc, char **argv, char **envp);
42 int main(int argc, char **argv)
43 {
44 return qemu_main(argc, argv, NULL);
45 }
46 #undef main
47 #define main qemu_main
48 #endif
49 #endif /* CONFIG_SDL */
50
51 #ifdef CONFIG_COCOA
52 #undef main
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
55
56
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
59 #include "hw/hw.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
62 #include "hw/usb.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
65 #include "hw/bt.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/xen/xen.h"
69 #include "hw/qdev.h"
70 #include "hw/loader.h"
71 #include "monitor/qdev.h"
72 #include "sysemu/bt.h"
73 #include "net/net.h"
74 #include "net/slirp.h"
75 #include "monitor/monitor.h"
76 #include "ui/console.h"
77 #include "ui/input.h"
78 #include "sysemu/sysemu.h"
79 #include "sysemu/numa.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/log.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/cpus.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121 #include "exec/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qmp/qerror.h"
125 #include "sysemu/iothread.h"
126
127 #define MAX_VIRTIO_CONSOLES 1
128 #define MAX_SCLP_CONSOLES 1
129
130 static const char *data_dir[16];
131 static int data_dir_idx;
132 const char *bios_name = NULL;
133 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
134 int request_opengl = -1;
135 int display_opengl;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
141 int nb_nics;
142 NICInfo nd_table[MAX_NICS];
143 int autostart;
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
150 int no_quit = 0;
151 static bool grab_on_hover;
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 1;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int old_param = 0;
173 const char *qemu_name;
174 int alt_grab = 0;
175 int ctrl_grab = 0;
176 unsigned int nb_prom_envs = 0;
177 const char *prom_envs[MAX_PROM_ENVS];
178 int boot_menu;
179 bool boot_strict;
180 uint8_t *boot_splash_filedata;
181 size_t boot_splash_filedata_size;
182 uint8_t qemu_extra_params_fw[2];
183
184 int icount_align_option;
185
186 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
187 * little-endian "wire format" described in the SMBIOS 2.6 specification.
188 */
189 QemuUUID qemu_uuid;
190 bool qemu_uuid_set;
191
192 static NotifierList exit_notifiers =
193 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
194
195 static NotifierList machine_init_done_notifiers =
196 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
197
198 bool xen_allowed;
199 uint32_t xen_domid;
200 enum xen_mode xen_mode = XEN_EMULATE;
201
202 static int has_defaults = 1;
203 static int default_serial = 1;
204 static int default_parallel = 1;
205 static int default_virtcon = 1;
206 static int default_sclp = 1;
207 static int default_monitor = 1;
208 static int default_floppy = 1;
209 static int default_cdrom = 1;
210 static int default_sdcard = 1;
211 static int default_vga = 1;
212 static int default_net = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "ide-cd", .flag = &default_cdrom },
222 { .driver = "ide-hd", .flag = &default_cdrom },
223 { .driver = "ide-drive", .flag = &default_cdrom },
224 { .driver = "scsi-cd", .flag = &default_cdrom },
225 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
226 { .driver = "virtio-serial", .flag = &default_virtcon },
227 { .driver = "VGA", .flag = &default_vga },
228 { .driver = "isa-vga", .flag = &default_vga },
229 { .driver = "cirrus-vga", .flag = &default_vga },
230 { .driver = "isa-cirrus-vga", .flag = &default_vga },
231 { .driver = "vmware-svga", .flag = &default_vga },
232 { .driver = "qxl-vga", .flag = &default_vga },
233 { .driver = "virtio-vga", .flag = &default_vga },
234 };
235
236 static QemuOptsList qemu_rtc_opts = {
237 .name = "rtc",
238 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
239 .desc = {
240 {
241 .name = "base",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "clock",
245 .type = QEMU_OPT_STRING,
246 },{
247 .name = "driftfix",
248 .type = QEMU_OPT_STRING,
249 },
250 { /* end of list */ }
251 },
252 };
253
254 static QemuOptsList qemu_sandbox_opts = {
255 .name = "sandbox",
256 .implied_opt_name = "enable",
257 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
258 .desc = {
259 {
260 .name = "enable",
261 .type = QEMU_OPT_BOOL,
262 },
263 { /* end of list */ }
264 },
265 };
266
267 static QemuOptsList qemu_option_rom_opts = {
268 .name = "option-rom",
269 .implied_opt_name = "romfile",
270 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
271 .desc = {
272 {
273 .name = "bootindex",
274 .type = QEMU_OPT_NUMBER,
275 }, {
276 .name = "romfile",
277 .type = QEMU_OPT_STRING,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_machine_opts = {
284 .name = "machine",
285 .implied_opt_name = "type",
286 .merge_lists = true,
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
288 .desc = {
289 /*
290 * no elements => accept any
291 * sanity checking will happen later
292 * when setting machine properties
293 */
294 { }
295 },
296 };
297
298 static QemuOptsList qemu_boot_opts = {
299 .name = "boot-opts",
300 .implied_opt_name = "order",
301 .merge_lists = true,
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
303 .desc = {
304 {
305 .name = "order",
306 .type = QEMU_OPT_STRING,
307 }, {
308 .name = "once",
309 .type = QEMU_OPT_STRING,
310 }, {
311 .name = "menu",
312 .type = QEMU_OPT_BOOL,
313 }, {
314 .name = "splash",
315 .type = QEMU_OPT_STRING,
316 }, {
317 .name = "splash-time",
318 .type = QEMU_OPT_STRING,
319 }, {
320 .name = "reboot-timeout",
321 .type = QEMU_OPT_STRING,
322 }, {
323 .name = "strict",
324 .type = QEMU_OPT_BOOL,
325 },
326 { /*End of list */ }
327 },
328 };
329
330 static QemuOptsList qemu_add_fd_opts = {
331 .name = "add-fd",
332 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
333 .desc = {
334 {
335 .name = "fd",
336 .type = QEMU_OPT_NUMBER,
337 .help = "file descriptor of which a duplicate is added to fd set",
338 },{
339 .name = "set",
340 .type = QEMU_OPT_NUMBER,
341 .help = "ID of the fd set to add fd to",
342 },{
343 .name = "opaque",
344 .type = QEMU_OPT_STRING,
345 .help = "free-form string used to describe fd",
346 },
347 { /* end of list */ }
348 },
349 };
350
351 static QemuOptsList qemu_object_opts = {
352 .name = "object",
353 .implied_opt_name = "qom-type",
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
355 .desc = {
356 { }
357 },
358 };
359
360 static QemuOptsList qemu_tpmdev_opts = {
361 .name = "tpmdev",
362 .implied_opt_name = "type",
363 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
364 .desc = {
365 /* options are defined in the TPM backends */
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_realtime_opts = {
371 .name = "realtime",
372 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
373 .desc = {
374 {
375 .name = "mlock",
376 .type = QEMU_OPT_BOOL,
377 },
378 { /* end of list */ }
379 },
380 };
381
382 static QemuOptsList qemu_msg_opts = {
383 .name = "msg",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
385 .desc = {
386 {
387 .name = "timestamp",
388 .type = QEMU_OPT_BOOL,
389 },
390 { /* end of list */ }
391 },
392 };
393
394 static QemuOptsList qemu_name_opts = {
395 .name = "name",
396 .implied_opt_name = "guest",
397 .merge_lists = true,
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
399 .desc = {
400 {
401 .name = "guest",
402 .type = QEMU_OPT_STRING,
403 .help = "Sets the name of the guest.\n"
404 "This name will be displayed in the SDL window caption.\n"
405 "The name will also be used for the VNC server",
406 }, {
407 .name = "process",
408 .type = QEMU_OPT_STRING,
409 .help = "Sets the name of the QEMU process, as shown in top etc",
410 }, {
411 .name = "debug-threads",
412 .type = QEMU_OPT_BOOL,
413 .help = "When enabled, name the individual threads; defaults off.\n"
414 "NOTE: The thread names are for debugging and not a\n"
415 "stable API.",
416 },
417 { /* End of list */ }
418 },
419 };
420
421 static QemuOptsList qemu_mem_opts = {
422 .name = "memory",
423 .implied_opt_name = "size",
424 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
425 .merge_lists = true,
426 .desc = {
427 {
428 .name = "size",
429 .type = QEMU_OPT_SIZE,
430 },
431 {
432 .name = "slots",
433 .type = QEMU_OPT_NUMBER,
434 },
435 {
436 .name = "maxmem",
437 .type = QEMU_OPT_SIZE,
438 },
439 { /* end of list */ }
440 },
441 };
442
443 static QemuOptsList qemu_icount_opts = {
444 .name = "icount",
445 .implied_opt_name = "shift",
446 .merge_lists = true,
447 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
448 .desc = {
449 {
450 .name = "shift",
451 .type = QEMU_OPT_STRING,
452 }, {
453 .name = "align",
454 .type = QEMU_OPT_BOOL,
455 }, {
456 .name = "sleep",
457 .type = QEMU_OPT_BOOL,
458 }, {
459 .name = "rr",
460 .type = QEMU_OPT_STRING,
461 }, {
462 .name = "rrfile",
463 .type = QEMU_OPT_STRING,
464 },
465 { /* end of list */ }
466 },
467 };
468
469 static QemuOptsList qemu_semihosting_config_opts = {
470 .name = "semihosting-config",
471 .implied_opt_name = "enable",
472 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
473 .desc = {
474 {
475 .name = "enable",
476 .type = QEMU_OPT_BOOL,
477 }, {
478 .name = "target",
479 .type = QEMU_OPT_STRING,
480 }, {
481 .name = "arg",
482 .type = QEMU_OPT_STRING,
483 },
484 { /* end of list */ }
485 },
486 };
487
488 static QemuOptsList qemu_fw_cfg_opts = {
489 .name = "fw_cfg",
490 .implied_opt_name = "name",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
492 .desc = {
493 {
494 .name = "name",
495 .type = QEMU_OPT_STRING,
496 .help = "Sets the fw_cfg name of the blob to be inserted",
497 }, {
498 .name = "file",
499 .type = QEMU_OPT_STRING,
500 .help = "Sets the name of the file from which\n"
501 "the fw_cfg blob will be loaded",
502 }, {
503 .name = "string",
504 .type = QEMU_OPT_STRING,
505 .help = "Sets content of the blob to be inserted from a string",
506 },
507 { /* end of list */ }
508 },
509 };
510
511 #ifdef CONFIG_LIBISCSI
512 static QemuOptsList qemu_iscsi_opts = {
513 .name = "iscsi",
514 .head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
515 .desc = {
516 {
517 .name = "user",
518 .type = QEMU_OPT_STRING,
519 .help = "username for CHAP authentication to target",
520 },{
521 .name = "password",
522 .type = QEMU_OPT_STRING,
523 .help = "password for CHAP authentication to target",
524 },{
525 .name = "password-secret",
526 .type = QEMU_OPT_STRING,
527 .help = "ID of the secret providing password for CHAP "
528 "authentication to target",
529 },{
530 .name = "header-digest",
531 .type = QEMU_OPT_STRING,
532 .help = "HeaderDigest setting. "
533 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
534 },{
535 .name = "initiator-name",
536 .type = QEMU_OPT_STRING,
537 .help = "Initiator iqn name to use when connecting",
538 },{
539 .name = "timeout",
540 .type = QEMU_OPT_NUMBER,
541 .help = "Request timeout in seconds (default 0 = no timeout)",
542 },
543 { /* end of list */ }
544 },
545 };
546 #endif
547
548 /**
549 * Get machine options
550 *
551 * Returns: machine options (never null).
552 */
553 QemuOpts *qemu_get_machine_opts(void)
554 {
555 return qemu_find_opts_singleton("machine");
556 }
557
558 const char *qemu_get_vm_name(void)
559 {
560 return qemu_name;
561 }
562
563 static void res_free(void)
564 {
565 g_free(boot_splash_filedata);
566 boot_splash_filedata = NULL;
567 }
568
569 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
570 {
571 const char *driver = qemu_opt_get(opts, "driver");
572 int i;
573
574 if (!driver)
575 return 0;
576 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
577 if (strcmp(default_list[i].driver, driver) != 0)
578 continue;
579 *(default_list[i].flag) = 0;
580 }
581 return 0;
582 }
583
584 /***********************************************************/
585 /* QEMU state */
586
587 static RunState current_run_state = RUN_STATE_PRELAUNCH;
588
589 /* We use RUN_STATE__MAX but any invalid value will do */
590 static RunState vmstop_requested = RUN_STATE__MAX;
591 static QemuMutex vmstop_lock;
592
593 typedef struct {
594 RunState from;
595 RunState to;
596 } RunStateTransition;
597
598 static const RunStateTransition runstate_transitions_def[] = {
599 /* from -> to */
600 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
601 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
603
604 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
605 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
606 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
607 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
608 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
609 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
610 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
611 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
613 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
614 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
615
616 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
617 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
619
620 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
621 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
622 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
623
624 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
625 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
627
628 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
629 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
631
632 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
633 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
635
636 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
637 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
638 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
639
640 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
641 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
642
643 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
644 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
645 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
646 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
647 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
649 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
650 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
651 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
652 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
653
654 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
655
656 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
657 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
658 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
659
660 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
661 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
662 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
663 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
664 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
665
666 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
667 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
668 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
669
670 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
671 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
672 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
673
674 { RUN_STATE__MAX, RUN_STATE__MAX },
675 };
676
677 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
678
679 bool runstate_check(RunState state)
680 {
681 return current_run_state == state;
682 }
683
684 bool runstate_store(char *str, size_t size)
685 {
686 const char *state = RunState_lookup[current_run_state];
687 size_t len = strlen(state) + 1;
688
689 if (len > size) {
690 return false;
691 }
692 memcpy(str, state, len);
693 return true;
694 }
695
696 static void runstate_init(void)
697 {
698 const RunStateTransition *p;
699
700 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
701 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
702 runstate_valid_transitions[p->from][p->to] = true;
703 }
704
705 qemu_mutex_init(&vmstop_lock);
706 }
707
708 /* This function will abort() on invalid state transitions */
709 void runstate_set(RunState new_state)
710 {
711 assert(new_state < RUN_STATE__MAX);
712
713 if (current_run_state == new_state) {
714 return;
715 }
716
717 if (!runstate_valid_transitions[current_run_state][new_state]) {
718 error_report("invalid runstate transition: '%s' -> '%s'",
719 RunState_lookup[current_run_state],
720 RunState_lookup[new_state]);
721 abort();
722 }
723 trace_runstate_set(new_state);
724 current_run_state = new_state;
725 }
726
727 int runstate_is_running(void)
728 {
729 return runstate_check(RUN_STATE_RUNNING);
730 }
731
732 bool runstate_needs_reset(void)
733 {
734 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
735 runstate_check(RUN_STATE_SHUTDOWN);
736 }
737
738 StatusInfo *qmp_query_status(Error **errp)
739 {
740 StatusInfo *info = g_malloc0(sizeof(*info));
741
742 info->running = runstate_is_running();
743 info->singlestep = singlestep;
744 info->status = current_run_state;
745
746 return info;
747 }
748
749 static bool qemu_vmstop_requested(RunState *r)
750 {
751 qemu_mutex_lock(&vmstop_lock);
752 *r = vmstop_requested;
753 vmstop_requested = RUN_STATE__MAX;
754 qemu_mutex_unlock(&vmstop_lock);
755 return *r < RUN_STATE__MAX;
756 }
757
758 void qemu_system_vmstop_request_prepare(void)
759 {
760 qemu_mutex_lock(&vmstop_lock);
761 }
762
763 void qemu_system_vmstop_request(RunState state)
764 {
765 vmstop_requested = state;
766 qemu_mutex_unlock(&vmstop_lock);
767 qemu_notify_event();
768 }
769
770 void vm_start(void)
771 {
772 RunState requested;
773
774 qemu_vmstop_requested(&requested);
775 if (runstate_is_running() && requested == RUN_STATE__MAX) {
776 return;
777 }
778
779 /* Ensure that a STOP/RESUME pair of events is emitted if a
780 * vmstop request was pending. The BLOCK_IO_ERROR event, for
781 * example, according to documentation is always followed by
782 * the STOP event.
783 */
784 if (runstate_is_running()) {
785 qapi_event_send_stop(&error_abort);
786 } else {
787 replay_enable_events();
788 cpu_enable_ticks();
789 runstate_set(RUN_STATE_RUNNING);
790 vm_state_notify(1, RUN_STATE_RUNNING);
791 resume_all_vcpus();
792 }
793
794 qapi_event_send_resume(&error_abort);
795 }
796
797
798 /***********************************************************/
799 /* real time host monotonic timer */
800
801 static time_t qemu_time(void)
802 {
803 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
804 }
805
806 /***********************************************************/
807 /* host time/date access */
808 void qemu_get_timedate(struct tm *tm, int offset)
809 {
810 time_t ti = qemu_time();
811
812 ti += offset;
813 if (rtc_date_offset == -1) {
814 if (rtc_utc)
815 gmtime_r(&ti, tm);
816 else
817 localtime_r(&ti, tm);
818 } else {
819 ti -= rtc_date_offset;
820 gmtime_r(&ti, tm);
821 }
822 }
823
824 int qemu_timedate_diff(struct tm *tm)
825 {
826 time_t seconds;
827
828 if (rtc_date_offset == -1)
829 if (rtc_utc)
830 seconds = mktimegm(tm);
831 else {
832 struct tm tmp = *tm;
833 tmp.tm_isdst = -1; /* use timezone to figure it out */
834 seconds = mktime(&tmp);
835 }
836 else
837 seconds = mktimegm(tm) + rtc_date_offset;
838
839 return seconds - qemu_time();
840 }
841
842 static void configure_rtc_date_offset(const char *startdate, int legacy)
843 {
844 time_t rtc_start_date;
845 struct tm tm;
846
847 if (!strcmp(startdate, "now") && legacy) {
848 rtc_date_offset = -1;
849 } else {
850 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
851 &tm.tm_year,
852 &tm.tm_mon,
853 &tm.tm_mday,
854 &tm.tm_hour,
855 &tm.tm_min,
856 &tm.tm_sec) == 6) {
857 /* OK */
858 } else if (sscanf(startdate, "%d-%d-%d",
859 &tm.tm_year,
860 &tm.tm_mon,
861 &tm.tm_mday) == 3) {
862 tm.tm_hour = 0;
863 tm.tm_min = 0;
864 tm.tm_sec = 0;
865 } else {
866 goto date_fail;
867 }
868 tm.tm_year -= 1900;
869 tm.tm_mon--;
870 rtc_start_date = mktimegm(&tm);
871 if (rtc_start_date == -1) {
872 date_fail:
873 error_report("invalid date format");
874 error_printf("valid formats: "
875 "'2006-06-17T16:01:21' or '2006-06-17'\n");
876 exit(1);
877 }
878 rtc_date_offset = qemu_time() - rtc_start_date;
879 }
880 }
881
882 static void configure_rtc(QemuOpts *opts)
883 {
884 const char *value;
885
886 value = qemu_opt_get(opts, "base");
887 if (value) {
888 if (!strcmp(value, "utc")) {
889 rtc_utc = 1;
890 } else if (!strcmp(value, "localtime")) {
891 Error *blocker = NULL;
892 rtc_utc = 0;
893 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
894 "-rtc base=localtime");
895 replay_add_blocker(blocker);
896 } else {
897 configure_rtc_date_offset(value, 0);
898 }
899 }
900 value = qemu_opt_get(opts, "clock");
901 if (value) {
902 if (!strcmp(value, "host")) {
903 rtc_clock = QEMU_CLOCK_HOST;
904 } else if (!strcmp(value, "rt")) {
905 rtc_clock = QEMU_CLOCK_REALTIME;
906 } else if (!strcmp(value, "vm")) {
907 rtc_clock = QEMU_CLOCK_VIRTUAL;
908 } else {
909 error_report("invalid option value '%s'", value);
910 exit(1);
911 }
912 }
913 value = qemu_opt_get(opts, "driftfix");
914 if (value) {
915 if (!strcmp(value, "slew")) {
916 static GlobalProperty slew_lost_ticks = {
917 .driver = "mc146818rtc",
918 .property = "lost_tick_policy",
919 .value = "slew",
920 };
921
922 qdev_prop_register_global(&slew_lost_ticks);
923 } else if (!strcmp(value, "none")) {
924 /* discard is default */
925 } else {
926 error_report("invalid option value '%s'", value);
927 exit(1);
928 }
929 }
930 }
931
932 /***********************************************************/
933 /* Bluetooth support */
934 static int nb_hcis;
935 static int cur_hci;
936 static struct HCIInfo *hci_table[MAX_NICS];
937
938 struct HCIInfo *qemu_next_hci(void)
939 {
940 if (cur_hci == nb_hcis)
941 return &null_hci;
942
943 return hci_table[cur_hci++];
944 }
945
946 static int bt_hci_parse(const char *str)
947 {
948 struct HCIInfo *hci;
949 bdaddr_t bdaddr;
950
951 if (nb_hcis >= MAX_NICS) {
952 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
953 return -1;
954 }
955
956 hci = hci_init(str);
957 if (!hci)
958 return -1;
959
960 bdaddr.b[0] = 0x52;
961 bdaddr.b[1] = 0x54;
962 bdaddr.b[2] = 0x00;
963 bdaddr.b[3] = 0x12;
964 bdaddr.b[4] = 0x34;
965 bdaddr.b[5] = 0x56 + nb_hcis;
966 hci->bdaddr_set(hci, bdaddr.b);
967
968 hci_table[nb_hcis++] = hci;
969
970 return 0;
971 }
972
973 static void bt_vhci_add(int vlan_id)
974 {
975 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
976
977 if (!vlan->slave)
978 error_report("warning: adding a VHCI to an empty scatternet %i",
979 vlan_id);
980
981 bt_vhci_init(bt_new_hci(vlan));
982 }
983
984 static struct bt_device_s *bt_device_add(const char *opt)
985 {
986 struct bt_scatternet_s *vlan;
987 int vlan_id = 0;
988 char *endp = strstr(opt, ",vlan=");
989 int len = (endp ? endp - opt : strlen(opt)) + 1;
990 char devname[10];
991
992 pstrcpy(devname, MIN(sizeof(devname), len), opt);
993
994 if (endp) {
995 vlan_id = strtol(endp + 6, &endp, 0);
996 if (*endp) {
997 error_report("unrecognised bluetooth vlan Id");
998 return 0;
999 }
1000 }
1001
1002 vlan = qemu_find_bt_vlan(vlan_id);
1003
1004 if (!vlan->slave)
1005 error_report("warning: adding a slave device to an empty scatternet %i",
1006 vlan_id);
1007
1008 if (!strcmp(devname, "keyboard"))
1009 return bt_keyboard_init(vlan);
1010
1011 error_report("unsupported bluetooth device '%s'", devname);
1012 return 0;
1013 }
1014
1015 static int bt_parse(const char *opt)
1016 {
1017 const char *endp, *p;
1018 int vlan;
1019
1020 if (strstart(opt, "hci", &endp)) {
1021 if (!*endp || *endp == ',') {
1022 if (*endp)
1023 if (!strstart(endp, ",vlan=", 0))
1024 opt = endp + 1;
1025
1026 return bt_hci_parse(opt);
1027 }
1028 } else if (strstart(opt, "vhci", &endp)) {
1029 if (!*endp || *endp == ',') {
1030 if (*endp) {
1031 if (strstart(endp, ",vlan=", &p)) {
1032 vlan = strtol(p, (char **) &endp, 0);
1033 if (*endp) {
1034 error_report("bad scatternet '%s'", p);
1035 return 1;
1036 }
1037 } else {
1038 error_report("bad parameter '%s'", endp + 1);
1039 return 1;
1040 }
1041 } else
1042 vlan = 0;
1043
1044 bt_vhci_add(vlan);
1045 return 0;
1046 }
1047 } else if (strstart(opt, "device:", &endp))
1048 return !bt_device_add(endp);
1049
1050 error_report("bad bluetooth parameter '%s'", opt);
1051 return 1;
1052 }
1053
1054 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1055 {
1056 /* FIXME: change this to true for 1.3 */
1057 if (qemu_opt_get_bool(opts, "enable", false)) {
1058 #ifdef CONFIG_SECCOMP
1059 if (seccomp_start() < 0) {
1060 error_report("failed to install seccomp syscall filter "
1061 "in the kernel");
1062 return -1;
1063 }
1064 #else
1065 error_report("seccomp support is disabled");
1066 return -1;
1067 #endif
1068 }
1069
1070 return 0;
1071 }
1072
1073 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1074 {
1075 const char *proc_name;
1076
1077 if (qemu_opt_get(opts, "debug-threads")) {
1078 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1079 }
1080 qemu_name = qemu_opt_get(opts, "guest");
1081
1082 proc_name = qemu_opt_get(opts, "process");
1083 if (proc_name) {
1084 os_set_proc_name(proc_name);
1085 }
1086
1087 return 0;
1088 }
1089
1090 bool defaults_enabled(void)
1091 {
1092 return has_defaults;
1093 }
1094
1095 #ifndef _WIN32
1096 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1097 {
1098 int fd, dupfd, flags;
1099 int64_t fdset_id;
1100 const char *fd_opaque = NULL;
1101 AddfdInfo *fdinfo;
1102
1103 fd = qemu_opt_get_number(opts, "fd", -1);
1104 fdset_id = qemu_opt_get_number(opts, "set", -1);
1105 fd_opaque = qemu_opt_get(opts, "opaque");
1106
1107 if (fd < 0) {
1108 error_report("fd option is required and must be non-negative");
1109 return -1;
1110 }
1111
1112 if (fd <= STDERR_FILENO) {
1113 error_report("fd cannot be a standard I/O stream");
1114 return -1;
1115 }
1116
1117 /*
1118 * All fds inherited across exec() necessarily have FD_CLOEXEC
1119 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1120 */
1121 flags = fcntl(fd, F_GETFD);
1122 if (flags == -1 || (flags & FD_CLOEXEC)) {
1123 error_report("fd is not valid or already in use");
1124 return -1;
1125 }
1126
1127 if (fdset_id < 0) {
1128 error_report("set option is required and must be non-negative");
1129 return -1;
1130 }
1131
1132 #ifdef F_DUPFD_CLOEXEC
1133 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1134 #else
1135 dupfd = dup(fd);
1136 if (dupfd != -1) {
1137 qemu_set_cloexec(dupfd);
1138 }
1139 #endif
1140 if (dupfd == -1) {
1141 error_report("error duplicating fd: %s", strerror(errno));
1142 return -1;
1143 }
1144
1145 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1146 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1147 &error_abort);
1148 g_free(fdinfo);
1149
1150 return 0;
1151 }
1152
1153 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1154 {
1155 int fd;
1156
1157 fd = qemu_opt_get_number(opts, "fd", -1);
1158 close(fd);
1159
1160 return 0;
1161 }
1162 #endif
1163
1164 /***********************************************************/
1165 /* QEMU Block devices */
1166
1167 #define HD_OPTS "media=disk"
1168 #define CDROM_OPTS "media=cdrom"
1169 #define FD_OPTS ""
1170 #define PFLASH_OPTS ""
1171 #define MTD_OPTS ""
1172 #define SD_OPTS ""
1173
1174 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1175 {
1176 BlockInterfaceType *block_default_type = opaque;
1177
1178 return drive_new(opts, *block_default_type) == NULL;
1179 }
1180
1181 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1182 {
1183 if (qemu_opt_get(opts, "snapshot") == NULL) {
1184 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1185 }
1186 return 0;
1187 }
1188
1189 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1190 int index, const char *optstr)
1191 {
1192 QemuOpts *opts;
1193 DriveInfo *dinfo;
1194
1195 if (!enable || drive_get_by_index(type, index)) {
1196 return;
1197 }
1198
1199 opts = drive_add(type, index, NULL, optstr);
1200 if (snapshot) {
1201 drive_enable_snapshot(NULL, opts, NULL);
1202 }
1203
1204 dinfo = drive_new(opts, type);
1205 if (!dinfo) {
1206 exit(1);
1207 }
1208 dinfo->is_default = true;
1209
1210 }
1211
1212 static QemuOptsList qemu_smp_opts = {
1213 .name = "smp-opts",
1214 .implied_opt_name = "cpus",
1215 .merge_lists = true,
1216 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1217 .desc = {
1218 {
1219 .name = "cpus",
1220 .type = QEMU_OPT_NUMBER,
1221 }, {
1222 .name = "sockets",
1223 .type = QEMU_OPT_NUMBER,
1224 }, {
1225 .name = "cores",
1226 .type = QEMU_OPT_NUMBER,
1227 }, {
1228 .name = "threads",
1229 .type = QEMU_OPT_NUMBER,
1230 }, {
1231 .name = "maxcpus",
1232 .type = QEMU_OPT_NUMBER,
1233 },
1234 { /*End of list */ }
1235 },
1236 };
1237
1238 static void smp_parse(QemuOpts *opts)
1239 {
1240 if (opts) {
1241 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1242 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1243 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1244 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1245
1246 /* compute missing values, prefer sockets over cores over threads */
1247 if (cpus == 0 || sockets == 0) {
1248 sockets = sockets > 0 ? sockets : 1;
1249 cores = cores > 0 ? cores : 1;
1250 threads = threads > 0 ? threads : 1;
1251 if (cpus == 0) {
1252 cpus = cores * threads * sockets;
1253 }
1254 } else if (cores == 0) {
1255 threads = threads > 0 ? threads : 1;
1256 cores = cpus / (sockets * threads);
1257 cores = cores > 0 ? cores : 1;
1258 } else if (threads == 0) {
1259 threads = cpus / (cores * sockets);
1260 threads = threads > 0 ? threads : 1;
1261 } else if (sockets * cores * threads < cpus) {
1262 error_report("cpu topology: "
1263 "sockets (%u) * cores (%u) * threads (%u) < "
1264 "smp_cpus (%u)",
1265 sockets, cores, threads, cpus);
1266 exit(1);
1267 }
1268
1269 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1270
1271 if (max_cpus > MAX_CPUMASK_BITS) {
1272 error_report("unsupported number of maxcpus");
1273 exit(1);
1274 }
1275
1276 if (max_cpus < cpus) {
1277 error_report("maxcpus must be equal to or greater than smp");
1278 exit(1);
1279 }
1280
1281 if (sockets * cores * threads > max_cpus) {
1282 error_report("cpu topology: "
1283 "sockets (%u) * cores (%u) * threads (%u) > "
1284 "maxcpus (%u)",
1285 sockets, cores, threads, max_cpus);
1286 exit(1);
1287 }
1288
1289 smp_cpus = cpus;
1290 smp_cores = cores;
1291 smp_threads = threads;
1292 }
1293
1294 if (smp_cpus > 1) {
1295 Error *blocker = NULL;
1296 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1297 replay_add_blocker(blocker);
1298 }
1299 }
1300
1301 static void realtime_init(void)
1302 {
1303 if (enable_mlock) {
1304 if (os_mlock() < 0) {
1305 error_report("locking memory failed");
1306 exit(1);
1307 }
1308 }
1309 }
1310
1311
1312 static void configure_msg(QemuOpts *opts)
1313 {
1314 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1315 }
1316
1317 /***********************************************************/
1318 /* Semihosting */
1319
1320 typedef struct SemihostingConfig {
1321 bool enabled;
1322 SemihostingTarget target;
1323 const char **argv;
1324 int argc;
1325 const char *cmdline; /* concatenated argv */
1326 } SemihostingConfig;
1327
1328 static SemihostingConfig semihosting;
1329
1330 bool semihosting_enabled(void)
1331 {
1332 return semihosting.enabled;
1333 }
1334
1335 SemihostingTarget semihosting_get_target(void)
1336 {
1337 return semihosting.target;
1338 }
1339
1340 const char *semihosting_get_arg(int i)
1341 {
1342 if (i >= semihosting.argc) {
1343 return NULL;
1344 }
1345 return semihosting.argv[i];
1346 }
1347
1348 int semihosting_get_argc(void)
1349 {
1350 return semihosting.argc;
1351 }
1352
1353 const char *semihosting_get_cmdline(void)
1354 {
1355 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1356 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1357 }
1358 return semihosting.cmdline;
1359 }
1360
1361 static int add_semihosting_arg(void *opaque,
1362 const char *name, const char *val,
1363 Error **errp)
1364 {
1365 SemihostingConfig *s = opaque;
1366 if (strcmp(name, "arg") == 0) {
1367 s->argc++;
1368 /* one extra element as g_strjoinv() expects NULL-terminated array */
1369 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1370 s->argv[s->argc - 1] = val;
1371 s->argv[s->argc] = NULL;
1372 }
1373 return 0;
1374 }
1375
1376 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1377 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1378 {
1379 char *cmd_token;
1380
1381 /* argv[0] */
1382 add_semihosting_arg(&semihosting, "arg", file, NULL);
1383
1384 /* split -append and initialize argv[1..n] */
1385 cmd_token = strtok(g_strdup(cmd), " ");
1386 while (cmd_token) {
1387 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1388 cmd_token = strtok(NULL, " ");
1389 }
1390 }
1391
1392 /* Now we still need this for compatibility with XEN. */
1393 bool has_igd_gfx_passthru;
1394 static void igd_gfx_passthru(void)
1395 {
1396 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1397 }
1398
1399 /***********************************************************/
1400 /* USB devices */
1401
1402 static int usb_device_add(const char *devname)
1403 {
1404 USBDevice *dev = NULL;
1405 #ifndef CONFIG_LINUX
1406 const char *p;
1407 #endif
1408
1409 if (!machine_usb(current_machine)) {
1410 return -1;
1411 }
1412
1413 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1414 dev = usbdevice_create(devname);
1415 if (dev)
1416 goto done;
1417
1418 /* the other ones */
1419 #ifndef CONFIG_LINUX
1420 /* only the linux version is qdev-ified, usb-bsd still needs this */
1421 if (strstart(devname, "host:", &p)) {
1422 dev = usb_host_device_open(usb_bus_find(-1), p);
1423 }
1424 #endif
1425 if (!dev)
1426 return -1;
1427
1428 done:
1429 return 0;
1430 }
1431
1432 static int usb_device_del(const char *devname)
1433 {
1434 int bus_num, addr;
1435 const char *p;
1436
1437 if (strstart(devname, "host:", &p)) {
1438 return -1;
1439 }
1440
1441 if (!machine_usb(current_machine)) {
1442 return -1;
1443 }
1444
1445 p = strchr(devname, '.');
1446 if (!p)
1447 return -1;
1448 bus_num = strtoul(devname, NULL, 0);
1449 addr = strtoul(p + 1, NULL, 0);
1450
1451 return usb_device_delete_addr(bus_num, addr);
1452 }
1453
1454 static int usb_parse(const char *cmdline)
1455 {
1456 int r;
1457 r = usb_device_add(cmdline);
1458 if (r < 0) {
1459 error_report("could not add USB device '%s'", cmdline);
1460 }
1461 return r;
1462 }
1463
1464 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1465 {
1466 const char *devname = qdict_get_str(qdict, "devname");
1467 if (usb_device_add(devname) < 0) {
1468 error_report("could not add USB device '%s'", devname);
1469 }
1470 }
1471
1472 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1473 {
1474 const char *devname = qdict_get_str(qdict, "devname");
1475 if (usb_device_del(devname) < 0) {
1476 error_report("could not delete USB device '%s'", devname);
1477 }
1478 }
1479
1480 /***********************************************************/
1481 /* machine registration */
1482
1483 MachineState *current_machine;
1484
1485 static MachineClass *find_machine(const char *name)
1486 {
1487 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1488 MachineClass *mc = NULL;
1489
1490 for (el = machines; el; el = el->next) {
1491 MachineClass *temp = el->data;
1492
1493 if (!strcmp(temp->name, name)) {
1494 mc = temp;
1495 break;
1496 }
1497 if (temp->alias &&
1498 !strcmp(temp->alias, name)) {
1499 mc = temp;
1500 break;
1501 }
1502 }
1503
1504 g_slist_free(machines);
1505 return mc;
1506 }
1507
1508 MachineClass *find_default_machine(void)
1509 {
1510 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1511 MachineClass *mc = NULL;
1512
1513 for (el = machines; el; el = el->next) {
1514 MachineClass *temp = el->data;
1515
1516 if (temp->is_default) {
1517 mc = temp;
1518 break;
1519 }
1520 }
1521
1522 g_slist_free(machines);
1523 return mc;
1524 }
1525
1526 MachineInfoList *qmp_query_machines(Error **errp)
1527 {
1528 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1529 MachineInfoList *mach_list = NULL;
1530
1531 for (el = machines; el; el = el->next) {
1532 MachineClass *mc = el->data;
1533 MachineInfoList *entry;
1534 MachineInfo *info;
1535
1536 info = g_malloc0(sizeof(*info));
1537 if (mc->is_default) {
1538 info->has_is_default = true;
1539 info->is_default = true;
1540 }
1541
1542 if (mc->alias) {
1543 info->has_alias = true;
1544 info->alias = g_strdup(mc->alias);
1545 }
1546
1547 info->name = g_strdup(mc->name);
1548 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1549 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1550
1551 entry = g_malloc0(sizeof(*entry));
1552 entry->value = info;
1553 entry->next = mach_list;
1554 mach_list = entry;
1555 }
1556
1557 g_slist_free(machines);
1558 return mach_list;
1559 }
1560
1561 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1562 {
1563 ObjectProperty *prop;
1564 ObjectPropertyIterator iter;
1565
1566 if (!qemu_opt_has_help_opt(opts)) {
1567 return 0;
1568 }
1569
1570 object_property_iter_init(&iter, OBJECT(machine));
1571 while ((prop = object_property_iter_next(&iter))) {
1572 if (!prop->set) {
1573 continue;
1574 }
1575
1576 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1577 prop->name, prop->type);
1578 if (prop->description) {
1579 error_printf(" (%s)\n", prop->description);
1580 } else {
1581 error_printf("\n");
1582 }
1583 }
1584
1585 return 1;
1586 }
1587
1588 /***********************************************************/
1589 /* main execution loop */
1590
1591 struct vm_change_state_entry {
1592 VMChangeStateHandler *cb;
1593 void *opaque;
1594 QLIST_ENTRY (vm_change_state_entry) entries;
1595 };
1596
1597 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1598
1599 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1600 void *opaque)
1601 {
1602 VMChangeStateEntry *e;
1603
1604 e = g_malloc0(sizeof (*e));
1605
1606 e->cb = cb;
1607 e->opaque = opaque;
1608 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1609 return e;
1610 }
1611
1612 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1613 {
1614 QLIST_REMOVE (e, entries);
1615 g_free (e);
1616 }
1617
1618 void vm_state_notify(int running, RunState state)
1619 {
1620 VMChangeStateEntry *e, *next;
1621
1622 trace_vm_state_notify(running, state);
1623
1624 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1625 e->cb(e->opaque, running, state);
1626 }
1627 }
1628
1629 /* reset/shutdown handler */
1630
1631 typedef struct QEMUResetEntry {
1632 QTAILQ_ENTRY(QEMUResetEntry) entry;
1633 QEMUResetHandler *func;
1634 void *opaque;
1635 } QEMUResetEntry;
1636
1637 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1638 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1639 static int reset_requested;
1640 static int shutdown_requested, shutdown_signal = -1;
1641 static pid_t shutdown_pid;
1642 static int powerdown_requested;
1643 static int debug_requested;
1644 static int suspend_requested;
1645 static WakeupReason wakeup_reason;
1646 static NotifierList powerdown_notifiers =
1647 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1648 static NotifierList suspend_notifiers =
1649 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1650 static NotifierList wakeup_notifiers =
1651 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1652 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1653
1654 int qemu_shutdown_requested_get(void)
1655 {
1656 return shutdown_requested;
1657 }
1658
1659 int qemu_reset_requested_get(void)
1660 {
1661 return reset_requested;
1662 }
1663
1664 static int qemu_shutdown_requested(void)
1665 {
1666 return atomic_xchg(&shutdown_requested, 0);
1667 }
1668
1669 static void qemu_kill_report(void)
1670 {
1671 if (!qtest_driver() && shutdown_signal != -1) {
1672 if (shutdown_pid == 0) {
1673 /* This happens for eg ^C at the terminal, so it's worth
1674 * avoiding printing an odd message in that case.
1675 */
1676 error_report("terminating on signal %d", shutdown_signal);
1677 } else {
1678 error_report("terminating on signal %d from pid " FMT_pid,
1679 shutdown_signal, shutdown_pid);
1680 }
1681 shutdown_signal = -1;
1682 }
1683 }
1684
1685 static int qemu_reset_requested(void)
1686 {
1687 int r = reset_requested;
1688 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1689 reset_requested = 0;
1690 return r;
1691 }
1692 return false;
1693 }
1694
1695 static int qemu_suspend_requested(void)
1696 {
1697 int r = suspend_requested;
1698 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1699 suspend_requested = 0;
1700 return r;
1701 }
1702 return false;
1703 }
1704
1705 static WakeupReason qemu_wakeup_requested(void)
1706 {
1707 return wakeup_reason;
1708 }
1709
1710 static int qemu_powerdown_requested(void)
1711 {
1712 int r = powerdown_requested;
1713 powerdown_requested = 0;
1714 return r;
1715 }
1716
1717 static int qemu_debug_requested(void)
1718 {
1719 int r = debug_requested;
1720 debug_requested = 0;
1721 return r;
1722 }
1723
1724 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1725 {
1726 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1727
1728 re->func = func;
1729 re->opaque = opaque;
1730 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1731 }
1732
1733 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1734 {
1735 QEMUResetEntry *re;
1736
1737 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1738 if (re->func == func && re->opaque == opaque) {
1739 QTAILQ_REMOVE(&reset_handlers, re, entry);
1740 g_free(re);
1741 return;
1742 }
1743 }
1744 }
1745
1746 void qemu_devices_reset(void)
1747 {
1748 QEMUResetEntry *re, *nre;
1749
1750 /* reset all devices */
1751 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1752 re->func(re->opaque);
1753 }
1754 }
1755
1756 void qemu_system_reset(bool report)
1757 {
1758 MachineClass *mc;
1759
1760 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1761
1762 cpu_synchronize_all_states();
1763
1764 if (mc && mc->reset) {
1765 mc->reset();
1766 } else {
1767 qemu_devices_reset();
1768 }
1769 if (report) {
1770 qapi_event_send_reset(&error_abort);
1771 }
1772 cpu_synchronize_all_post_reset();
1773 }
1774
1775 void qemu_system_guest_panicked(void)
1776 {
1777 if (current_cpu) {
1778 current_cpu->crash_occurred = true;
1779 }
1780 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1781 vm_stop(RUN_STATE_GUEST_PANICKED);
1782 }
1783
1784 void qemu_system_reset_request(void)
1785 {
1786 if (no_reboot) {
1787 shutdown_requested = 1;
1788 } else {
1789 reset_requested = 1;
1790 }
1791 cpu_stop_current();
1792 qemu_notify_event();
1793 }
1794
1795 static void qemu_system_suspend(void)
1796 {
1797 pause_all_vcpus();
1798 notifier_list_notify(&suspend_notifiers, NULL);
1799 runstate_set(RUN_STATE_SUSPENDED);
1800 qapi_event_send_suspend(&error_abort);
1801 }
1802
1803 void qemu_system_suspend_request(void)
1804 {
1805 if (runstate_check(RUN_STATE_SUSPENDED)) {
1806 return;
1807 }
1808 suspend_requested = 1;
1809 cpu_stop_current();
1810 qemu_notify_event();
1811 }
1812
1813 void qemu_register_suspend_notifier(Notifier *notifier)
1814 {
1815 notifier_list_add(&suspend_notifiers, notifier);
1816 }
1817
1818 void qemu_system_wakeup_request(WakeupReason reason)
1819 {
1820 trace_system_wakeup_request(reason);
1821
1822 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1823 return;
1824 }
1825 if (!(wakeup_reason_mask & (1 << reason))) {
1826 return;
1827 }
1828 runstate_set(RUN_STATE_RUNNING);
1829 wakeup_reason = reason;
1830 qemu_notify_event();
1831 }
1832
1833 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1834 {
1835 if (enabled) {
1836 wakeup_reason_mask |= (1 << reason);
1837 } else {
1838 wakeup_reason_mask &= ~(1 << reason);
1839 }
1840 }
1841
1842 void qemu_register_wakeup_notifier(Notifier *notifier)
1843 {
1844 notifier_list_add(&wakeup_notifiers, notifier);
1845 }
1846
1847 void qemu_system_killed(int signal, pid_t pid)
1848 {
1849 shutdown_signal = signal;
1850 shutdown_pid = pid;
1851 no_shutdown = 0;
1852
1853 /* Cannot call qemu_system_shutdown_request directly because
1854 * we are in a signal handler.
1855 */
1856 shutdown_requested = 1;
1857 qemu_notify_event();
1858 }
1859
1860 void qemu_system_shutdown_request(void)
1861 {
1862 trace_qemu_system_shutdown_request();
1863 replay_shutdown_request();
1864 shutdown_requested = 1;
1865 qemu_notify_event();
1866 }
1867
1868 static void qemu_system_powerdown(void)
1869 {
1870 qapi_event_send_powerdown(&error_abort);
1871 notifier_list_notify(&powerdown_notifiers, NULL);
1872 }
1873
1874 void qemu_system_powerdown_request(void)
1875 {
1876 trace_qemu_system_powerdown_request();
1877 powerdown_requested = 1;
1878 qemu_notify_event();
1879 }
1880
1881 void qemu_register_powerdown_notifier(Notifier *notifier)
1882 {
1883 notifier_list_add(&powerdown_notifiers, notifier);
1884 }
1885
1886 void qemu_system_debug_request(void)
1887 {
1888 debug_requested = 1;
1889 qemu_notify_event();
1890 }
1891
1892 static bool main_loop_should_exit(void)
1893 {
1894 RunState r;
1895 if (qemu_debug_requested()) {
1896 vm_stop(RUN_STATE_DEBUG);
1897 }
1898 if (qemu_suspend_requested()) {
1899 qemu_system_suspend();
1900 }
1901 if (qemu_shutdown_requested()) {
1902 qemu_kill_report();
1903 qapi_event_send_shutdown(&error_abort);
1904 if (no_shutdown) {
1905 vm_stop(RUN_STATE_SHUTDOWN);
1906 } else {
1907 return true;
1908 }
1909 }
1910 if (qemu_reset_requested()) {
1911 pause_all_vcpus();
1912 qemu_system_reset(VMRESET_REPORT);
1913 resume_all_vcpus();
1914 if (!runstate_check(RUN_STATE_RUNNING) &&
1915 !runstate_check(RUN_STATE_INMIGRATE)) {
1916 runstate_set(RUN_STATE_PRELAUNCH);
1917 }
1918 }
1919 if (qemu_wakeup_requested()) {
1920 pause_all_vcpus();
1921 qemu_system_reset(VMRESET_SILENT);
1922 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1923 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1924 resume_all_vcpus();
1925 qapi_event_send_wakeup(&error_abort);
1926 }
1927 if (qemu_powerdown_requested()) {
1928 qemu_system_powerdown();
1929 }
1930 if (qemu_vmstop_requested(&r)) {
1931 vm_stop(r);
1932 }
1933 return false;
1934 }
1935
1936 static void main_loop(void)
1937 {
1938 bool nonblocking;
1939 int last_io = 0;
1940 #ifdef CONFIG_PROFILER
1941 int64_t ti;
1942 #endif
1943 do {
1944 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1945 #ifdef CONFIG_PROFILER
1946 ti = profile_getclock();
1947 #endif
1948 last_io = main_loop_wait(nonblocking);
1949 #ifdef CONFIG_PROFILER
1950 dev_time += profile_getclock() - ti;
1951 #endif
1952 } while (!main_loop_should_exit());
1953 }
1954
1955 static void version(void)
1956 {
1957 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", "
1958 QEMU_COPYRIGHT "\n");
1959 }
1960
1961 static void help(int exitcode)
1962 {
1963 version();
1964 printf("usage: %s [options] [disk_image]\n\n"
1965 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1966 error_get_progname());
1967
1968 #define QEMU_OPTIONS_GENERATE_HELP
1969 #include "qemu-options-wrapper.h"
1970
1971 printf("\nDuring emulation, the following keys are useful:\n"
1972 "ctrl-alt-f toggle full screen\n"
1973 "ctrl-alt-n switch to virtual console 'n'\n"
1974 "ctrl-alt toggle mouse and keyboard grab\n"
1975 "\n"
1976 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1977
1978 exit(exitcode);
1979 }
1980
1981 #define HAS_ARG 0x0001
1982
1983 typedef struct QEMUOption {
1984 const char *name;
1985 int flags;
1986 int index;
1987 uint32_t arch_mask;
1988 } QEMUOption;
1989
1990 static const QEMUOption qemu_options[] = {
1991 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1992 #define QEMU_OPTIONS_GENERATE_OPTIONS
1993 #include "qemu-options-wrapper.h"
1994 { NULL },
1995 };
1996
1997 typedef struct VGAInterfaceInfo {
1998 const char *opt_name; /* option name */
1999 const char *name; /* human-readable name */
2000 /* Class names indicating that support is available.
2001 * If no class is specified, the interface is always available */
2002 const char *class_names[2];
2003 } VGAInterfaceInfo;
2004
2005 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2006 [VGA_NONE] = {
2007 .opt_name = "none",
2008 },
2009 [VGA_STD] = {
2010 .opt_name = "std",
2011 .name = "standard VGA",
2012 .class_names = { "VGA", "isa-vga" },
2013 },
2014 [VGA_CIRRUS] = {
2015 .opt_name = "cirrus",
2016 .name = "Cirrus VGA",
2017 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2018 },
2019 [VGA_VMWARE] = {
2020 .opt_name = "vmware",
2021 .name = "VMWare SVGA",
2022 .class_names = { "vmware-svga" },
2023 },
2024 [VGA_VIRTIO] = {
2025 .opt_name = "virtio",
2026 .name = "Virtio VGA",
2027 .class_names = { "virtio-vga" },
2028 },
2029 [VGA_QXL] = {
2030 .opt_name = "qxl",
2031 .name = "QXL VGA",
2032 .class_names = { "qxl-vga" },
2033 },
2034 [VGA_TCX] = {
2035 .opt_name = "tcx",
2036 .name = "TCX framebuffer",
2037 .class_names = { "SUNW,tcx" },
2038 },
2039 [VGA_CG3] = {
2040 .opt_name = "cg3",
2041 .name = "CG3 framebuffer",
2042 .class_names = { "cgthree" },
2043 },
2044 [VGA_XENFB] = {
2045 .opt_name = "xenfb",
2046 },
2047 };
2048
2049 static bool vga_interface_available(VGAInterfaceType t)
2050 {
2051 VGAInterfaceInfo *ti = &vga_interfaces[t];
2052
2053 assert(t < VGA_TYPE_MAX);
2054 return !ti->class_names[0] ||
2055 object_class_by_name(ti->class_names[0]) ||
2056 object_class_by_name(ti->class_names[1]);
2057 }
2058
2059 static void select_vgahw(const char *p)
2060 {
2061 const char *opts;
2062 int t;
2063
2064 assert(vga_interface_type == VGA_NONE);
2065 for (t = 0; t < VGA_TYPE_MAX; t++) {
2066 VGAInterfaceInfo *ti = &vga_interfaces[t];
2067 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2068 if (!vga_interface_available(t)) {
2069 error_report("%s not available", ti->name);
2070 exit(1);
2071 }
2072 vga_interface_type = t;
2073 break;
2074 }
2075 }
2076 if (t == VGA_TYPE_MAX) {
2077 invalid_vga:
2078 error_report("unknown vga type: %s", p);
2079 exit(1);
2080 }
2081 while (*opts) {
2082 const char *nextopt;
2083
2084 if (strstart(opts, ",retrace=", &nextopt)) {
2085 opts = nextopt;
2086 if (strstart(opts, "dumb", &nextopt))
2087 vga_retrace_method = VGA_RETRACE_DUMB;
2088 else if (strstart(opts, "precise", &nextopt))
2089 vga_retrace_method = VGA_RETRACE_PRECISE;
2090 else goto invalid_vga;
2091 } else goto invalid_vga;
2092 opts = nextopt;
2093 }
2094 }
2095
2096 typedef enum DisplayType {
2097 DT_DEFAULT,
2098 DT_CURSES,
2099 DT_SDL,
2100 DT_COCOA,
2101 DT_GTK,
2102 DT_NONE,
2103 } DisplayType;
2104
2105 static DisplayType select_display(const char *p)
2106 {
2107 const char *opts;
2108 DisplayType display = DT_DEFAULT;
2109
2110 if (strstart(p, "sdl", &opts)) {
2111 #ifdef CONFIG_SDL
2112 display = DT_SDL;
2113 while (*opts) {
2114 const char *nextopt;
2115
2116 if (strstart(opts, ",frame=", &nextopt)) {
2117 opts = nextopt;
2118 if (strstart(opts, "on", &nextopt)) {
2119 no_frame = 0;
2120 } else if (strstart(opts, "off", &nextopt)) {
2121 no_frame = 1;
2122 } else {
2123 goto invalid_sdl_args;
2124 }
2125 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2126 opts = nextopt;
2127 if (strstart(opts, "on", &nextopt)) {
2128 alt_grab = 1;
2129 } else if (strstart(opts, "off", &nextopt)) {
2130 alt_grab = 0;
2131 } else {
2132 goto invalid_sdl_args;
2133 }
2134 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2135 opts = nextopt;
2136 if (strstart(opts, "on", &nextopt)) {
2137 ctrl_grab = 1;
2138 } else if (strstart(opts, "off", &nextopt)) {
2139 ctrl_grab = 0;
2140 } else {
2141 goto invalid_sdl_args;
2142 }
2143 } else if (strstart(opts, ",window_close=", &nextopt)) {
2144 opts = nextopt;
2145 if (strstart(opts, "on", &nextopt)) {
2146 no_quit = 0;
2147 } else if (strstart(opts, "off", &nextopt)) {
2148 no_quit = 1;
2149 } else {
2150 goto invalid_sdl_args;
2151 }
2152 } else if (strstart(opts, ",gl=", &nextopt)) {
2153 opts = nextopt;
2154 if (strstart(opts, "on", &nextopt)) {
2155 request_opengl = 1;
2156 } else if (strstart(opts, "off", &nextopt)) {
2157 request_opengl = 0;
2158 } else {
2159 goto invalid_sdl_args;
2160 }
2161 } else {
2162 invalid_sdl_args:
2163 error_report("invalid SDL option string");
2164 exit(1);
2165 }
2166 opts = nextopt;
2167 }
2168 #else
2169 error_report("SDL support is disabled");
2170 exit(1);
2171 #endif
2172 } else if (strstart(p, "vnc", &opts)) {
2173 if (*opts == '=') {
2174 vnc_parse(opts + 1, &error_fatal);
2175 } else {
2176 error_report("VNC requires a display argument vnc=<display>");
2177 exit(1);
2178 }
2179 } else if (strstart(p, "curses", &opts)) {
2180 #ifdef CONFIG_CURSES
2181 display = DT_CURSES;
2182 #else
2183 error_report("curses support is disabled");
2184 exit(1);
2185 #endif
2186 } else if (strstart(p, "gtk", &opts)) {
2187 #ifdef CONFIG_GTK
2188 display = DT_GTK;
2189 while (*opts) {
2190 const char *nextopt;
2191
2192 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2193 opts = nextopt;
2194 if (strstart(opts, "on", &nextopt)) {
2195 grab_on_hover = true;
2196 } else if (strstart(opts, "off", &nextopt)) {
2197 grab_on_hover = false;
2198 } else {
2199 goto invalid_gtk_args;
2200 }
2201 } else if (strstart(opts, ",gl=", &nextopt)) {
2202 opts = nextopt;
2203 if (strstart(opts, "on", &nextopt)) {
2204 request_opengl = 1;
2205 } else if (strstart(opts, "off", &nextopt)) {
2206 request_opengl = 0;
2207 } else {
2208 goto invalid_gtk_args;
2209 }
2210 } else {
2211 invalid_gtk_args:
2212 error_report("invalid GTK option string");
2213 exit(1);
2214 }
2215 opts = nextopt;
2216 }
2217 #else
2218 error_report("GTK support is disabled");
2219 exit(1);
2220 #endif
2221 } else if (strstart(p, "none", &opts)) {
2222 display = DT_NONE;
2223 } else {
2224 error_report("unknown display type");
2225 exit(1);
2226 }
2227
2228 return display;
2229 }
2230
2231 static int balloon_parse(const char *arg)
2232 {
2233 QemuOpts *opts;
2234
2235 if (strcmp(arg, "none") == 0) {
2236 return 0;
2237 }
2238
2239 if (!strncmp(arg, "virtio", 6)) {
2240 if (arg[6] == ',') {
2241 /* have params -> parse them */
2242 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2243 false);
2244 if (!opts)
2245 return -1;
2246 } else {
2247 /* create empty opts */
2248 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2249 &error_abort);
2250 }
2251 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2252 return 0;
2253 }
2254
2255 return -1;
2256 }
2257
2258 char *qemu_find_file(int type, const char *name)
2259 {
2260 int i;
2261 const char *subdir;
2262 char *buf;
2263
2264 /* Try the name as a straight path first */
2265 if (access(name, R_OK) == 0) {
2266 trace_load_file(name, name);
2267 return g_strdup(name);
2268 }
2269
2270 switch (type) {
2271 case QEMU_FILE_TYPE_BIOS:
2272 subdir = "";
2273 break;
2274 case QEMU_FILE_TYPE_KEYMAP:
2275 subdir = "keymaps/";
2276 break;
2277 default:
2278 abort();
2279 }
2280
2281 for (i = 0; i < data_dir_idx; i++) {
2282 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2283 if (access(buf, R_OK) == 0) {
2284 trace_load_file(name, buf);
2285 return buf;
2286 }
2287 g_free(buf);
2288 }
2289 return NULL;
2290 }
2291
2292 static inline bool nonempty_str(const char *str)
2293 {
2294 return str && *str;
2295 }
2296
2297 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2298 {
2299 gchar *buf;
2300 size_t size;
2301 const char *name, *file, *str;
2302 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2303
2304 if (fw_cfg == NULL) {
2305 error_report("fw_cfg device not available");
2306 return -1;
2307 }
2308 name = qemu_opt_get(opts, "name");
2309 file = qemu_opt_get(opts, "file");
2310 str = qemu_opt_get(opts, "string");
2311
2312 /* we need name and either a file or the content string */
2313 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2314 error_report("invalid argument(s)");
2315 return -1;
2316 }
2317 if (nonempty_str(file) && nonempty_str(str)) {
2318 error_report("file and string are mutually exclusive");
2319 return -1;
2320 }
2321 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2322 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2323 return -1;
2324 }
2325 if (strncmp(name, "opt/", 4) != 0) {
2326 error_report("warning: externally provided fw_cfg item names "
2327 "should be prefixed with \"opt/\"");
2328 }
2329 if (nonempty_str(str)) {
2330 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2331 buf = g_memdup(str, size);
2332 } else {
2333 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2334 error_report("can't load %s", file);
2335 return -1;
2336 }
2337 }
2338 /* For legacy, keep user files in a specific global order. */
2339 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2340 fw_cfg_add_file(fw_cfg, name, buf, size);
2341 fw_cfg_reset_order_override(fw_cfg);
2342 return 0;
2343 }
2344
2345 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2346 {
2347 return qdev_device_help(opts);
2348 }
2349
2350 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2351 {
2352 Error *err = NULL;
2353 DeviceState *dev;
2354
2355 dev = qdev_device_add(opts, &err);
2356 if (!dev) {
2357 error_report_err(err);
2358 return -1;
2359 }
2360 object_unref(OBJECT(dev));
2361 return 0;
2362 }
2363
2364 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2365 {
2366 Error *local_err = NULL;
2367
2368 qemu_chr_new_from_opts(opts, NULL, &local_err);
2369 if (local_err) {
2370 error_report_err(local_err);
2371 return -1;
2372 }
2373 return 0;
2374 }
2375
2376 #ifdef CONFIG_VIRTFS
2377 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2378 {
2379 return qemu_fsdev_add(opts);
2380 }
2381 #endif
2382
2383 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2384 {
2385 CharDriverState *chr;
2386 const char *chardev;
2387 const char *mode;
2388 int flags;
2389
2390 mode = qemu_opt_get(opts, "mode");
2391 if (mode == NULL) {
2392 mode = "readline";
2393 }
2394 if (strcmp(mode, "readline") == 0) {
2395 flags = MONITOR_USE_READLINE;
2396 } else if (strcmp(mode, "control") == 0) {
2397 flags = MONITOR_USE_CONTROL;
2398 } else {
2399 error_report("unknown monitor mode \"%s\"", mode);
2400 exit(1);
2401 }
2402
2403 if (qemu_opt_get_bool(opts, "pretty", 0))
2404 flags |= MONITOR_USE_PRETTY;
2405
2406 if (qemu_opt_get_bool(opts, "default", 0))
2407 flags |= MONITOR_IS_DEFAULT;
2408
2409 chardev = qemu_opt_get(opts, "chardev");
2410 chr = qemu_chr_find(chardev);
2411 if (chr == NULL) {
2412 error_report("chardev \"%s\" not found", chardev);
2413 exit(1);
2414 }
2415
2416 qemu_chr_fe_claim_no_fail(chr);
2417 monitor_init(chr, flags);
2418 return 0;
2419 }
2420
2421 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2422 {
2423 static int monitor_device_index = 0;
2424 QemuOpts *opts;
2425 const char *p;
2426 char label[32];
2427 int def = 0;
2428
2429 if (strstart(optarg, "chardev:", &p)) {
2430 snprintf(label, sizeof(label), "%s", p);
2431 } else {
2432 snprintf(label, sizeof(label), "compat_monitor%d",
2433 monitor_device_index);
2434 if (monitor_device_index == 0) {
2435 def = 1;
2436 }
2437 opts = qemu_chr_parse_compat(label, optarg);
2438 if (!opts) {
2439 error_report("parse error: %s", optarg);
2440 exit(1);
2441 }
2442 }
2443
2444 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2445 qemu_opt_set(opts, "mode", mode, &error_abort);
2446 qemu_opt_set(opts, "chardev", label, &error_abort);
2447 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2448 if (def)
2449 qemu_opt_set(opts, "default", "on", &error_abort);
2450 monitor_device_index++;
2451 }
2452
2453 struct device_config {
2454 enum {
2455 DEV_USB, /* -usbdevice */
2456 DEV_BT, /* -bt */
2457 DEV_SERIAL, /* -serial */
2458 DEV_PARALLEL, /* -parallel */
2459 DEV_VIRTCON, /* -virtioconsole */
2460 DEV_DEBUGCON, /* -debugcon */
2461 DEV_GDB, /* -gdb, -s */
2462 DEV_SCLP, /* s390 sclp */
2463 } type;
2464 const char *cmdline;
2465 Location loc;
2466 QTAILQ_ENTRY(device_config) next;
2467 };
2468
2469 static QTAILQ_HEAD(, device_config) device_configs =
2470 QTAILQ_HEAD_INITIALIZER(device_configs);
2471
2472 static void add_device_config(int type, const char *cmdline)
2473 {
2474 struct device_config *conf;
2475
2476 conf = g_malloc0(sizeof(*conf));
2477 conf->type = type;
2478 conf->cmdline = cmdline;
2479 loc_save(&conf->loc);
2480 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2481 }
2482
2483 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2484 {
2485 struct device_config *conf;
2486 int rc;
2487
2488 QTAILQ_FOREACH(conf, &device_configs, next) {
2489 if (conf->type != type)
2490 continue;
2491 loc_push_restore(&conf->loc);
2492 rc = func(conf->cmdline);
2493 loc_pop(&conf->loc);
2494 if (rc) {
2495 return rc;
2496 }
2497 }
2498 return 0;
2499 }
2500
2501 static int serial_parse(const char *devname)
2502 {
2503 static int index = 0;
2504 char label[32];
2505
2506 if (strcmp(devname, "none") == 0)
2507 return 0;
2508 if (index == MAX_SERIAL_PORTS) {
2509 error_report("too many serial ports");
2510 exit(1);
2511 }
2512 snprintf(label, sizeof(label), "serial%d", index);
2513 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2514 if (!serial_hds[index]) {
2515 error_report("could not connect serial device"
2516 " to character backend '%s'", devname);
2517 return -1;
2518 }
2519 index++;
2520 return 0;
2521 }
2522
2523 static int parallel_parse(const char *devname)
2524 {
2525 static int index = 0;
2526 char label[32];
2527
2528 if (strcmp(devname, "none") == 0)
2529 return 0;
2530 if (index == MAX_PARALLEL_PORTS) {
2531 error_report("too many parallel ports");
2532 exit(1);
2533 }
2534 snprintf(label, sizeof(label), "parallel%d", index);
2535 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2536 if (!parallel_hds[index]) {
2537 error_report("could not connect parallel device"
2538 " to character backend '%s'", devname);
2539 return -1;
2540 }
2541 index++;
2542 return 0;
2543 }
2544
2545 static int virtcon_parse(const char *devname)
2546 {
2547 QemuOptsList *device = qemu_find_opts("device");
2548 static int index = 0;
2549 char label[32];
2550 QemuOpts *bus_opts, *dev_opts;
2551
2552 if (strcmp(devname, "none") == 0)
2553 return 0;
2554 if (index == MAX_VIRTIO_CONSOLES) {
2555 error_report("too many virtio consoles");
2556 exit(1);
2557 }
2558
2559 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2560 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2561
2562 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2563 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2564
2565 snprintf(label, sizeof(label), "virtcon%d", index);
2566 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2567 if (!virtcon_hds[index]) {
2568 error_report("could not connect virtio console"
2569 " to character backend '%s'", devname);
2570 return -1;
2571 }
2572 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2573
2574 index++;
2575 return 0;
2576 }
2577
2578 static int sclp_parse(const char *devname)
2579 {
2580 QemuOptsList *device = qemu_find_opts("device");
2581 static int index = 0;
2582 char label[32];
2583 QemuOpts *dev_opts;
2584
2585 if (strcmp(devname, "none") == 0) {
2586 return 0;
2587 }
2588 if (index == MAX_SCLP_CONSOLES) {
2589 error_report("too many sclp consoles");
2590 exit(1);
2591 }
2592
2593 assert(arch_type == QEMU_ARCH_S390X);
2594
2595 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2596 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2597
2598 snprintf(label, sizeof(label), "sclpcon%d", index);
2599 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2600 if (!sclp_hds[index]) {
2601 error_report("could not connect sclp console"
2602 " to character backend '%s'", devname);
2603 return -1;
2604 }
2605 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2606
2607 index++;
2608 return 0;
2609 }
2610
2611 static int debugcon_parse(const char *devname)
2612 {
2613 QemuOpts *opts;
2614
2615 if (!qemu_chr_new("debugcon", devname, NULL)) {
2616 exit(1);
2617 }
2618 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2619 if (!opts) {
2620 error_report("already have a debugcon device");
2621 exit(1);
2622 }
2623 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2624 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2625 return 0;
2626 }
2627
2628 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2629 {
2630 const MachineClass *mc1 = a, *mc2 = b;
2631 int res;
2632
2633 if (mc1->family == NULL) {
2634 if (mc2->family == NULL) {
2635 /* Compare standalone machine types against each other; they sort
2636 * in increasing order.
2637 */
2638 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2639 object_class_get_name(OBJECT_CLASS(mc2)));
2640 }
2641
2642 /* Standalone machine types sort after families. */
2643 return 1;
2644 }
2645
2646 if (mc2->family == NULL) {
2647 /* Families sort before standalone machine types. */
2648 return -1;
2649 }
2650
2651 /* Families sort between each other alphabetically increasingly. */
2652 res = strcmp(mc1->family, mc2->family);
2653 if (res != 0) {
2654 return res;
2655 }
2656
2657 /* Within the same family, machine types sort in decreasing order. */
2658 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2659 object_class_get_name(OBJECT_CLASS(mc1)));
2660 }
2661
2662 static MachineClass *machine_parse(const char *name)
2663 {
2664 MachineClass *mc = NULL;
2665 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2666
2667 if (name) {
2668 mc = find_machine(name);
2669 }
2670 if (mc) {
2671 g_slist_free(machines);
2672 return mc;
2673 }
2674 if (name && !is_help_option(name)) {
2675 error_report("unsupported machine type");
2676 error_printf("Use -machine help to list supported machines\n");
2677 } else {
2678 printf("Supported machines are:\n");
2679 machines = g_slist_sort(machines, machine_class_cmp);
2680 for (el = machines; el; el = el->next) {
2681 MachineClass *mc = el->data;
2682 if (mc->alias) {
2683 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2684 }
2685 printf("%-20s %s%s\n", mc->name, mc->desc,
2686 mc->is_default ? " (default)" : "");
2687 }
2688 }
2689
2690 g_slist_free(machines);
2691 exit(!name || !is_help_option(name));
2692 }
2693
2694 void qemu_add_exit_notifier(Notifier *notify)
2695 {
2696 notifier_list_add(&exit_notifiers, notify);
2697 }
2698
2699 void qemu_remove_exit_notifier(Notifier *notify)
2700 {
2701 notifier_remove(notify);
2702 }
2703
2704 static void qemu_run_exit_notifiers(void)
2705 {
2706 notifier_list_notify(&exit_notifiers, NULL);
2707 }
2708
2709 static bool machine_init_done;
2710
2711 void qemu_add_machine_init_done_notifier(Notifier *notify)
2712 {
2713 notifier_list_add(&machine_init_done_notifiers, notify);
2714 if (machine_init_done) {
2715 notify->notify(notify, NULL);
2716 }
2717 }
2718
2719 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2720 {
2721 notifier_remove(notify);
2722 }
2723
2724 static void qemu_run_machine_init_done_notifiers(void)
2725 {
2726 notifier_list_notify(&machine_init_done_notifiers, NULL);
2727 machine_init_done = true;
2728 }
2729
2730 static const QEMUOption *lookup_opt(int argc, char **argv,
2731 const char **poptarg, int *poptind)
2732 {
2733 const QEMUOption *popt;
2734 int optind = *poptind;
2735 char *r = argv[optind];
2736 const char *optarg;
2737
2738 loc_set_cmdline(argv, optind, 1);
2739 optind++;
2740 /* Treat --foo the same as -foo. */
2741 if (r[1] == '-')
2742 r++;
2743 popt = qemu_options;
2744 for(;;) {
2745 if (!popt->name) {
2746 error_report("invalid option");
2747 exit(1);
2748 }
2749 if (!strcmp(popt->name, r + 1))
2750 break;
2751 popt++;
2752 }
2753 if (popt->flags & HAS_ARG) {
2754 if (optind >= argc) {
2755 error_report("requires an argument");
2756 exit(1);
2757 }
2758 optarg = argv[optind++];
2759 loc_set_cmdline(argv, optind - 2, 2);
2760 } else {
2761 optarg = NULL;
2762 }
2763
2764 *poptarg = optarg;
2765 *poptind = optind;
2766
2767 return popt;
2768 }
2769
2770 static MachineClass *select_machine(void)
2771 {
2772 MachineClass *machine_class = find_default_machine();
2773 const char *optarg;
2774 QemuOpts *opts;
2775 Location loc;
2776
2777 loc_push_none(&loc);
2778
2779 opts = qemu_get_machine_opts();
2780 qemu_opts_loc_restore(opts);
2781
2782 optarg = qemu_opt_get(opts, "type");
2783 if (optarg) {
2784 machine_class = machine_parse(optarg);
2785 }
2786
2787 if (!machine_class) {
2788 error_report("No machine specified, and there is no default");
2789 error_printf("Use -machine help to list supported machines\n");
2790 exit(1);
2791 }
2792
2793 loc_pop(&loc);
2794 return machine_class;
2795 }
2796
2797 static int machine_set_property(void *opaque,
2798 const char *name, const char *value,
2799 Error **errp)
2800 {
2801 Object *obj = OBJECT(opaque);
2802 Error *local_err = NULL;
2803 char *c, *qom_name;
2804
2805 if (strcmp(name, "type") == 0) {
2806 return 0;
2807 }
2808
2809 qom_name = g_strdup(name);
2810 c = qom_name;
2811 while (*c++) {
2812 if (*c == '_') {
2813 *c = '-';
2814 }
2815 }
2816
2817 object_property_parse(obj, value, qom_name, &local_err);
2818 g_free(qom_name);
2819
2820 if (local_err) {
2821 error_report_err(local_err);
2822 return -1;
2823 }
2824
2825 return 0;
2826 }
2827
2828
2829 /*
2830 * Initial object creation happens before all other
2831 * QEMU data types are created. The majority of objects
2832 * can be created at this point. The rng-egd object
2833 * cannot be created here, as it depends on the chardev
2834 * already existing.
2835 */
2836 static bool object_create_initial(const char *type)
2837 {
2838 if (g_str_equal(type, "rng-egd")) {
2839 return false;
2840 }
2841
2842 /*
2843 * return false for concrete netfilters since
2844 * they depend on netdevs already existing
2845 */
2846 if (g_str_equal(type, "filter-buffer") ||
2847 g_str_equal(type, "filter-dump") ||
2848 g_str_equal(type, "filter-mirror") ||
2849 g_str_equal(type, "filter-redirector") ||
2850 g_str_equal(type, "colo-compare") ||
2851 g_str_equal(type, "filter-rewriter")) {
2852 return false;
2853 }
2854
2855 /* Memory allocation by backends needs to be done
2856 * after configure_accelerator() (due to the tcg_enabled()
2857 * checks at memory_region_init_*()).
2858 *
2859 * Also, allocation of large amounts of memory may delay
2860 * chardev initialization for too long, and trigger timeouts
2861 * on software that waits for a monitor socket to be created
2862 * (e.g. libvirt).
2863 */
2864 if (g_str_has_prefix(type, "memory-backend-")) {
2865 return false;
2866 }
2867
2868 return true;
2869 }
2870
2871
2872 /*
2873 * The remainder of object creation happens after the
2874 * creation of chardev, fsdev, net clients and device data types.
2875 */
2876 static bool object_create_delayed(const char *type)
2877 {
2878 return !object_create_initial(type);
2879 }
2880
2881
2882 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2883 MachineClass *mc)
2884 {
2885 uint64_t sz;
2886 const char *mem_str;
2887 const char *maxmem_str, *slots_str;
2888 const ram_addr_t default_ram_size = mc->default_ram_size;
2889 QemuOpts *opts = qemu_find_opts_singleton("memory");
2890 Location loc;
2891
2892 loc_push_none(&loc);
2893 qemu_opts_loc_restore(opts);
2894
2895 sz = 0;
2896 mem_str = qemu_opt_get(opts, "size");
2897 if (mem_str) {
2898 if (!*mem_str) {
2899 error_report("missing 'size' option value");
2900 exit(EXIT_FAILURE);
2901 }
2902
2903 sz = qemu_opt_get_size(opts, "size", ram_size);
2904
2905 /* Fix up legacy suffix-less format */
2906 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2907 uint64_t overflow_check = sz;
2908
2909 sz <<= 20;
2910 if ((sz >> 20) != overflow_check) {
2911 error_report("too large 'size' option value");
2912 exit(EXIT_FAILURE);
2913 }
2914 }
2915 }
2916
2917 /* backward compatibility behaviour for case "-m 0" */
2918 if (sz == 0) {
2919 sz = default_ram_size;
2920 }
2921
2922 sz = QEMU_ALIGN_UP(sz, 8192);
2923 ram_size = sz;
2924 if (ram_size != sz) {
2925 error_report("ram size too large");
2926 exit(EXIT_FAILURE);
2927 }
2928
2929 /* store value for the future use */
2930 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2931 *maxram_size = ram_size;
2932
2933 maxmem_str = qemu_opt_get(opts, "maxmem");
2934 slots_str = qemu_opt_get(opts, "slots");
2935 if (maxmem_str && slots_str) {
2936 uint64_t slots;
2937
2938 sz = qemu_opt_get_size(opts, "maxmem", 0);
2939 slots = qemu_opt_get_number(opts, "slots", 0);
2940 if (sz < ram_size) {
2941 error_report("invalid value of -m option maxmem: "
2942 "maximum memory size (0x%" PRIx64 ") must be at least "
2943 "the initial memory size (0x" RAM_ADDR_FMT ")",
2944 sz, ram_size);
2945 exit(EXIT_FAILURE);
2946 } else if (sz > ram_size) {
2947 if (!slots) {
2948 error_report("invalid value of -m option: maxmem was "
2949 "specified, but no hotplug slots were specified");
2950 exit(EXIT_FAILURE);
2951 }
2952 } else if (slots) {
2953 error_report("invalid value of -m option maxmem: "
2954 "memory slots were specified but maximum memory size "
2955 "(0x%" PRIx64 ") is equal to the initial memory size "
2956 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2957 exit(EXIT_FAILURE);
2958 }
2959
2960 *maxram_size = sz;
2961 *ram_slots = slots;
2962 } else if ((!maxmem_str && slots_str) ||
2963 (maxmem_str && !slots_str)) {
2964 error_report("invalid -m option value: missing "
2965 "'%s' option", slots_str ? "maxmem" : "slots");
2966 exit(EXIT_FAILURE);
2967 }
2968
2969 loc_pop(&loc);
2970 }
2971
2972 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2973 {
2974 GlobalProperty *g;
2975
2976 g = g_malloc0(sizeof(*g));
2977 g->driver = qemu_opt_get(opts, "driver");
2978 g->property = qemu_opt_get(opts, "property");
2979 g->value = qemu_opt_get(opts, "value");
2980 g->user_provided = true;
2981 g->errp = &error_fatal;
2982 qdev_prop_register_global(g);
2983 return 0;
2984 }
2985
2986 int main(int argc, char **argv, char **envp)
2987 {
2988 int i;
2989 int snapshot, linux_boot;
2990 const char *initrd_filename;
2991 const char *kernel_filename, *kernel_cmdline;
2992 const char *boot_order = NULL;
2993 const char *boot_once = NULL;
2994 DisplayState *ds;
2995 int cyls, heads, secs, translation;
2996 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2997 QemuOptsList *olist;
2998 int optind;
2999 const char *optarg;
3000 const char *loadvm = NULL;
3001 MachineClass *machine_class;
3002 const char *cpu_model;
3003 const char *vga_model = NULL;
3004 const char *qtest_chrdev = NULL;
3005 const char *qtest_log = NULL;
3006 const char *pid_file = NULL;
3007 const char *incoming = NULL;
3008 bool defconfig = true;
3009 bool userconfig = true;
3010 bool nographic = false;
3011 DisplayType display_type = DT_DEFAULT;
3012 int display_remote = 0;
3013 const char *log_mask = NULL;
3014 const char *log_file = NULL;
3015 char *trace_file = NULL;
3016 ram_addr_t maxram_size;
3017 uint64_t ram_slots = 0;
3018 FILE *vmstate_dump_file = NULL;
3019 Error *main_loop_err = NULL;
3020 Error *err = NULL;
3021 bool list_data_dirs = false;
3022
3023 qemu_init_cpu_list();
3024 qemu_init_cpu_loop();
3025 qemu_mutex_lock_iothread();
3026
3027 atexit(qemu_run_exit_notifiers);
3028 error_set_progname(argv[0]);
3029 qemu_init_exec_dir(argv[0]);
3030
3031 module_call_init(MODULE_INIT_QOM);
3032 module_call_init(MODULE_INIT_QAPI);
3033
3034 qemu_add_opts(&qemu_drive_opts);
3035 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3036 qemu_add_drive_opts(&qemu_common_drive_opts);
3037 qemu_add_drive_opts(&qemu_drive_opts);
3038 qemu_add_opts(&qemu_chardev_opts);
3039 qemu_add_opts(&qemu_device_opts);
3040 qemu_add_opts(&qemu_netdev_opts);
3041 qemu_add_opts(&qemu_net_opts);
3042 qemu_add_opts(&qemu_rtc_opts);
3043 qemu_add_opts(&qemu_global_opts);
3044 qemu_add_opts(&qemu_mon_opts);
3045 qemu_add_opts(&qemu_trace_opts);
3046 qemu_add_opts(&qemu_option_rom_opts);
3047 qemu_add_opts(&qemu_machine_opts);
3048 qemu_add_opts(&qemu_mem_opts);
3049 qemu_add_opts(&qemu_smp_opts);
3050 qemu_add_opts(&qemu_boot_opts);
3051 qemu_add_opts(&qemu_sandbox_opts);
3052 qemu_add_opts(&qemu_add_fd_opts);
3053 qemu_add_opts(&qemu_object_opts);
3054 qemu_add_opts(&qemu_tpmdev_opts);
3055 qemu_add_opts(&qemu_realtime_opts);
3056 qemu_add_opts(&qemu_msg_opts);
3057 qemu_add_opts(&qemu_name_opts);
3058 qemu_add_opts(&qemu_numa_opts);
3059 qemu_add_opts(&qemu_icount_opts);
3060 qemu_add_opts(&qemu_semihosting_config_opts);
3061 qemu_add_opts(&qemu_fw_cfg_opts);
3062 #ifdef CONFIG_LIBISCSI
3063 qemu_add_opts(&qemu_iscsi_opts);
3064 #endif
3065 module_call_init(MODULE_INIT_OPTS);
3066
3067 runstate_init();
3068
3069 if (qcrypto_init(&err) < 0) {
3070 error_reportf_err(err, "cannot initialize crypto: ");
3071 exit(1);
3072 }
3073 rtc_clock = QEMU_CLOCK_HOST;
3074
3075 QLIST_INIT (&vm_change_state_head);
3076 os_setup_early_signal_handling();
3077
3078 cpu_model = NULL;
3079 snapshot = 0;
3080 cyls = heads = secs = 0;
3081 translation = BIOS_ATA_TRANSLATION_AUTO;
3082
3083 nb_nics = 0;
3084
3085 bdrv_init_with_whitelist();
3086
3087 autostart = 1;
3088
3089 /* first pass of option parsing */
3090 optind = 1;
3091 while (optind < argc) {
3092 if (argv[optind][0] != '-') {
3093 /* disk image */
3094 optind++;
3095 } else {
3096 const QEMUOption *popt;
3097
3098 popt = lookup_opt(argc, argv, &optarg, &optind);
3099 switch (popt->index) {
3100 case QEMU_OPTION_nodefconfig:
3101 defconfig = false;
3102 break;
3103 case QEMU_OPTION_nouserconfig:
3104 userconfig = false;
3105 break;
3106 }
3107 }
3108 }
3109
3110 if (defconfig) {
3111 int ret;
3112 ret = qemu_read_default_config_files(userconfig);
3113 if (ret < 0) {
3114 exit(1);
3115 }
3116 }
3117
3118 /* second pass of option parsing */
3119 optind = 1;
3120 for(;;) {
3121 if (optind >= argc)
3122 break;
3123 if (argv[optind][0] != '-') {
3124 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3125 } else {
3126 const QEMUOption *popt;
3127
3128 popt = lookup_opt(argc, argv, &optarg, &optind);
3129 if (!(popt->arch_mask & arch_type)) {
3130 error_report("Option not supported for this target");
3131 exit(1);
3132 }
3133 switch(popt->index) {
3134 case QEMU_OPTION_no_kvm_irqchip: {
3135 olist = qemu_find_opts("machine");
3136 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3137 break;
3138 }
3139 case QEMU_OPTION_cpu:
3140 /* hw initialization will check this */
3141 cpu_model = optarg;
3142 break;
3143 case QEMU_OPTION_hda:
3144 {
3145 char buf[256];
3146 if (cyls == 0)
3147 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3148 else
3149 snprintf(buf, sizeof(buf),
3150 "%s,cyls=%d,heads=%d,secs=%d%s",
3151 HD_OPTS , cyls, heads, secs,
3152 translation == BIOS_ATA_TRANSLATION_LBA ?
3153 ",trans=lba" :
3154 translation == BIOS_ATA_TRANSLATION_NONE ?
3155 ",trans=none" : "");
3156 drive_add(IF_DEFAULT, 0, optarg, buf);
3157 break;
3158 }
3159 case QEMU_OPTION_hdb:
3160 case QEMU_OPTION_hdc:
3161 case QEMU_OPTION_hdd:
3162 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3163 HD_OPTS);
3164 break;
3165 case QEMU_OPTION_drive:
3166 if (drive_def(optarg) == NULL) {
3167 exit(1);
3168 }
3169 break;
3170 case QEMU_OPTION_set:
3171 if (qemu_set_option(optarg) != 0)
3172 exit(1);
3173 break;
3174 case QEMU_OPTION_global:
3175 if (qemu_global_option(optarg) != 0)
3176 exit(1);
3177 break;
3178 case QEMU_OPTION_mtdblock:
3179 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3180 break;
3181 case QEMU_OPTION_sd:
3182 drive_add(IF_SD, -1, optarg, SD_OPTS);
3183 break;
3184 case QEMU_OPTION_pflash:
3185 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3186 break;
3187 case QEMU_OPTION_snapshot:
3188 snapshot = 1;
3189 break;
3190 case QEMU_OPTION_hdachs:
3191 {
3192 const char *p;
3193 p = optarg;
3194 cyls = strtol(p, (char **)&p, 0);
3195 if (cyls < 1 || cyls > 16383)
3196 goto chs_fail;
3197 if (*p != ',')
3198 goto chs_fail;
3199 p++;
3200 heads = strtol(p, (char **)&p, 0);
3201 if (heads < 1 || heads > 16)
3202 goto chs_fail;
3203 if (*p != ',')
3204 goto chs_fail;
3205 p++;
3206 secs = strtol(p, (char **)&p, 0);
3207 if (secs < 1 || secs > 63)
3208 goto chs_fail;
3209 if (*p == ',') {
3210 p++;
3211 if (!strcmp(p, "large")) {
3212 translation = BIOS_ATA_TRANSLATION_LARGE;
3213 } else if (!strcmp(p, "rechs")) {
3214 translation = BIOS_ATA_TRANSLATION_RECHS;
3215 } else if (!strcmp(p, "none")) {
3216 translation = BIOS_ATA_TRANSLATION_NONE;
3217 } else if (!strcmp(p, "lba")) {
3218 translation = BIOS_ATA_TRANSLATION_LBA;
3219 } else if (!strcmp(p, "auto")) {
3220 translation = BIOS_ATA_TRANSLATION_AUTO;
3221 } else {
3222 goto chs_fail;
3223 }
3224 } else if (*p != '\0') {
3225 chs_fail:
3226 error_report("invalid physical CHS format");
3227 exit(1);
3228 }
3229 if (hda_opts != NULL) {
3230 qemu_opt_set_number(hda_opts, "cyls", cyls,
3231 &error_abort);
3232 qemu_opt_set_number(hda_opts, "heads", heads,
3233 &error_abort);
3234 qemu_opt_set_number(hda_opts, "secs", secs,
3235 &error_abort);
3236 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3237 qemu_opt_set(hda_opts, "trans", "large",
3238 &error_abort);
3239 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3240 qemu_opt_set(hda_opts, "trans", "rechs",
3241 &error_abort);
3242 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3243 qemu_opt_set(hda_opts, "trans", "lba",
3244 &error_abort);
3245 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3246 qemu_opt_set(hda_opts, "trans", "none",
3247 &error_abort);
3248 }
3249 }
3250 }
3251 break;
3252 case QEMU_OPTION_numa:
3253 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3254 optarg, true);
3255 if (!opts) {
3256 exit(1);
3257 }
3258 break;
3259 case QEMU_OPTION_display:
3260 display_type = select_display(optarg);
3261 break;
3262 case QEMU_OPTION_nographic:
3263 olist = qemu_find_opts("machine");
3264 qemu_opts_parse_noisily(olist, "graphics=off", false);
3265 nographic = true;
3266 display_type = DT_NONE;
3267 break;
3268 case QEMU_OPTION_curses:
3269 #ifdef CONFIG_CURSES
3270 display_type = DT_CURSES;
3271 #else
3272 error_report("curses support is disabled");
3273 exit(1);
3274 #endif
3275 break;
3276 case QEMU_OPTION_portrait:
3277 graphic_rotate = 90;
3278 break;
3279 case QEMU_OPTION_rotate:
3280 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3281 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3282 graphic_rotate != 180 && graphic_rotate != 270) {
3283 error_report("only 90, 180, 270 deg rotation is available");
3284 exit(1);
3285 }
3286 break;
3287 case QEMU_OPTION_kernel:
3288 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3289 &error_abort);
3290 break;
3291 case QEMU_OPTION_initrd:
3292 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3293 &error_abort);
3294 break;
3295 case QEMU_OPTION_append:
3296 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3297 &error_abort);
3298 break;
3299 case QEMU_OPTION_dtb:
3300 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3301 &error_abort);
3302 break;
3303 case QEMU_OPTION_cdrom:
3304 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3305 break;
3306 case QEMU_OPTION_boot:
3307 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3308 optarg, true);
3309 if (!opts) {
3310 exit(1);
3311 }
3312 break;
3313 case QEMU_OPTION_fda:
3314 case QEMU_OPTION_fdb:
3315 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3316 optarg, FD_OPTS);
3317 break;
3318 case QEMU_OPTION_no_fd_bootchk:
3319 fd_bootchk = 0;
3320 break;
3321 case QEMU_OPTION_netdev:
3322 default_net = 0;
3323 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3324 exit(1);
3325 }
3326 break;
3327 case QEMU_OPTION_net:
3328 default_net = 0;
3329 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3330 exit(1);
3331 }
3332 break;
3333 #ifdef CONFIG_LIBISCSI
3334 case QEMU_OPTION_iscsi:
3335 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3336 optarg, false);
3337 if (!opts) {
3338 exit(1);
3339 }
3340 break;
3341 #endif
3342 #ifdef CONFIG_SLIRP
3343 case QEMU_OPTION_tftp:
3344 error_report("The -tftp option is deprecated. "
3345 "Please use '-netdev user,tftp=...' instead.");
3346 legacy_tftp_prefix = optarg;
3347 break;
3348 case QEMU_OPTION_bootp:
3349 error_report("The -bootp option is deprecated. "
3350 "Please use '-netdev user,bootfile=...' instead.");
3351 legacy_bootp_filename = optarg;
3352 break;
3353 case QEMU_OPTION_redir:
3354 error_report("The -redir option is deprecated. "
3355 "Please use '-netdev user,hostfwd=...' instead.");
3356 if (net_slirp_redir(optarg) < 0)
3357 exit(1);
3358 break;
3359 #endif
3360 case QEMU_OPTION_bt:
3361 add_device_config(DEV_BT, optarg);
3362 break;
3363 case QEMU_OPTION_audio_help:
3364 AUD_help ();
3365 exit (0);
3366 break;
3367 case QEMU_OPTION_soundhw:
3368 select_soundhw (optarg);
3369 break;
3370 case QEMU_OPTION_h:
3371 help(0);
3372 break;
3373 case QEMU_OPTION_version:
3374 version();
3375 exit(0);
3376 break;
3377 case QEMU_OPTION_m:
3378 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3379 optarg, true);
3380 if (!opts) {
3381 exit(EXIT_FAILURE);
3382 }
3383 break;
3384 #ifdef CONFIG_TPM
3385 case QEMU_OPTION_tpmdev:
3386 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3387 exit(1);
3388 }
3389 break;
3390 #endif
3391 case QEMU_OPTION_mempath:
3392 mem_path = optarg;
3393 break;
3394 case QEMU_OPTION_mem_prealloc:
3395 mem_prealloc = 1;
3396 break;
3397 case QEMU_OPTION_d:
3398 log_mask = optarg;
3399 break;
3400 case QEMU_OPTION_D:
3401 log_file = optarg;
3402 break;
3403 case QEMU_OPTION_DFILTER:
3404 qemu_set_dfilter_ranges(optarg, &error_fatal);
3405 break;
3406 case QEMU_OPTION_s:
3407 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3408 break;
3409 case QEMU_OPTION_gdb:
3410 add_device_config(DEV_GDB, optarg);
3411 break;
3412 case QEMU_OPTION_L:
3413 if (is_help_option(optarg)) {
3414 list_data_dirs = true;
3415 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3416 data_dir[data_dir_idx++] = optarg;
3417 }
3418 break;
3419 case QEMU_OPTION_bios:
3420 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3421 &error_abort);
3422 break;
3423 case QEMU_OPTION_singlestep:
3424 singlestep = 1;
3425 break;
3426 case QEMU_OPTION_S:
3427 autostart = 0;
3428 break;
3429 case QEMU_OPTION_k:
3430 keyboard_layout = optarg;
3431 break;
3432 case QEMU_OPTION_localtime:
3433 rtc_utc = 0;
3434 break;
3435 case QEMU_OPTION_vga:
3436 vga_model = optarg;
3437 default_vga = 0;
3438 break;
3439 case QEMU_OPTION_g:
3440 {
3441 const char *p;
3442 int w, h, depth;
3443 p = optarg;
3444 w = strtol(p, (char **)&p, 10);
3445 if (w <= 0) {
3446 graphic_error:
3447 error_report("invalid resolution or depth");
3448 exit(1);
3449 }
3450 if (*p != 'x')
3451 goto graphic_error;
3452 p++;
3453 h = strtol(p, (char **)&p, 10);
3454 if (h <= 0)
3455 goto graphic_error;
3456 if (*p == 'x') {
3457 p++;
3458 depth = strtol(p, (char **)&p, 10);
3459 if (depth != 8 && depth != 15 && depth != 16 &&
3460 depth != 24 && depth != 32)
3461 goto graphic_error;
3462 } else if (*p == '\0') {
3463 depth = graphic_depth;
3464 } else {
3465 goto graphic_error;
3466 }
3467
3468 graphic_width = w;
3469 graphic_height = h;
3470 graphic_depth = depth;
3471 }
3472 break;
3473 case QEMU_OPTION_echr:
3474 {
3475 char *r;
3476 term_escape_char = strtol(optarg, &r, 0);
3477 if (r == optarg)
3478 printf("Bad argument to echr\n");
3479 break;
3480 }
3481 case QEMU_OPTION_monitor:
3482 default_monitor = 0;
3483 if (strncmp(optarg, "none", 4)) {
3484 monitor_parse(optarg, "readline", false);
3485 }
3486 break;
3487 case QEMU_OPTION_qmp:
3488 monitor_parse(optarg, "control", false);
3489 default_monitor = 0;
3490 break;
3491 case QEMU_OPTION_qmp_pretty:
3492 monitor_parse(optarg, "control", true);
3493 default_monitor = 0;
3494 break;
3495 case QEMU_OPTION_mon:
3496 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3497 true);
3498 if (!opts) {
3499 exit(1);
3500 }
3501 default_monitor = 0;
3502 break;
3503 case QEMU_OPTION_chardev:
3504 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3505 optarg, true);
3506 if (!opts) {
3507 exit(1);
3508 }
3509 break;
3510 case QEMU_OPTION_fsdev:
3511 olist = qemu_find_opts("fsdev");
3512 if (!olist) {
3513 error_report("fsdev support is disabled");
3514 exit(1);
3515 }
3516 opts = qemu_opts_parse_noisily(olist, optarg, true);
3517 if (!opts) {
3518 exit(1);
3519 }
3520 break;
3521 case QEMU_OPTION_virtfs: {
3522 QemuOpts *fsdev;
3523 QemuOpts *device;
3524 const char *writeout, *sock_fd, *socket;
3525
3526 olist = qemu_find_opts("virtfs");
3527 if (!olist) {
3528 error_report("virtfs support is disabled");
3529 exit(1);
3530 }
3531 opts = qemu_opts_parse_noisily(olist, optarg, true);
3532 if (!opts) {
3533 exit(1);
3534 }
3535
3536 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3537 qemu_opt_get(opts, "mount_tag") == NULL) {
3538 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3539 exit(1);
3540 }
3541 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3542 qemu_opt_get(opts, "mount_tag"),
3543 1, NULL);
3544 if (!fsdev) {
3545 error_report("duplicate fsdev id: %s",
3546 qemu_opt_get(opts, "mount_tag"));
3547 exit(1);
3548 }
3549
3550 writeout = qemu_opt_get(opts, "writeout");
3551 if (writeout) {
3552 #ifdef CONFIG_SYNC_FILE_RANGE
3553 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3554 #else
3555 error_report("writeout=immediate not supported "
3556 "on this platform");
3557 exit(1);
3558 #endif
3559 }
3560 qemu_opt_set(fsdev, "fsdriver",
3561 qemu_opt_get(opts, "fsdriver"), &error_abort);
3562 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3563 &error_abort);
3564 qemu_opt_set(fsdev, "security_model",
3565 qemu_opt_get(opts, "security_model"),
3566 &error_abort);
3567 socket = qemu_opt_get(opts, "socket");
3568 if (socket) {
3569 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3570 }
3571 sock_fd = qemu_opt_get(opts, "sock_fd");
3572 if (sock_fd) {
3573 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3574 }
3575
3576 qemu_opt_set_bool(fsdev, "readonly",
3577 qemu_opt_get_bool(opts, "readonly", 0),
3578 &error_abort);
3579 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3580 &error_abort);
3581 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3582 qemu_opt_set(device, "fsdev",
3583 qemu_opt_get(opts, "mount_tag"), &error_abort);
3584 qemu_opt_set(device, "mount_tag",
3585 qemu_opt_get(opts, "mount_tag"), &error_abort);
3586 break;
3587 }
3588 case QEMU_OPTION_virtfs_synth: {
3589 QemuOpts *fsdev;
3590 QemuOpts *device;
3591
3592 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3593 1, NULL);
3594 if (!fsdev) {
3595 error_report("duplicate option: %s", "virtfs_synth");
3596 exit(1);
3597 }
3598 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3599
3600 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3601 &error_abort);
3602 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3603 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3604 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3605 break;
3606 }
3607 case QEMU_OPTION_serial:
3608 add_device_config(DEV_SERIAL, optarg);
3609 default_serial = 0;
3610 if (strncmp(optarg, "mon:", 4) == 0) {
3611 default_monitor = 0;
3612 }
3613 break;
3614 case QEMU_OPTION_watchdog:
3615 if (watchdog) {
3616 error_report("only one watchdog option may be given");
3617 return 1;
3618 }
3619 watchdog = optarg;
3620 break;
3621 case QEMU_OPTION_watchdog_action:
3622 if (select_watchdog_action(optarg) == -1) {
3623 error_report("unknown -watchdog-action parameter");
3624 exit(1);
3625 }
3626 break;
3627 case QEMU_OPTION_virtiocon:
3628 add_device_config(DEV_VIRTCON, optarg);
3629 default_virtcon = 0;
3630 if (strncmp(optarg, "mon:", 4) == 0) {
3631 default_monitor = 0;
3632 }
3633 break;
3634 case QEMU_OPTION_parallel:
3635 add_device_config(DEV_PARALLEL, optarg);
3636 default_parallel = 0;
3637 if (strncmp(optarg, "mon:", 4) == 0) {
3638 default_monitor = 0;
3639 }
3640 break;
3641 case QEMU_OPTION_debugcon:
3642 add_device_config(DEV_DEBUGCON, optarg);
3643 break;
3644 case QEMU_OPTION_loadvm:
3645 loadvm = optarg;
3646 break;
3647 case QEMU_OPTION_full_screen:
3648 full_screen = 1;
3649 break;
3650 case QEMU_OPTION_no_frame:
3651 no_frame = 1;
3652 break;
3653 case QEMU_OPTION_alt_grab:
3654 alt_grab = 1;
3655 break;
3656 case QEMU_OPTION_ctrl_grab:
3657 ctrl_grab = 1;
3658 break;
3659 case QEMU_OPTION_no_quit:
3660 no_quit = 1;
3661 break;
3662 case QEMU_OPTION_sdl:
3663 #ifdef CONFIG_SDL
3664 display_type = DT_SDL;
3665 break;
3666 #else
3667 error_report("SDL support is disabled");
3668 exit(1);
3669 #endif
3670 case QEMU_OPTION_pidfile:
3671 pid_file = optarg;
3672 break;
3673 case QEMU_OPTION_win2k_hack:
3674 win2k_install_hack = 1;
3675 break;
3676 case QEMU_OPTION_rtc_td_hack: {
3677 static GlobalProperty slew_lost_ticks = {
3678 .driver = "mc146818rtc",
3679 .property = "lost_tick_policy",
3680 .value = "slew",
3681 };
3682
3683 qdev_prop_register_global(&slew_lost_ticks);
3684 break;
3685 }
3686 case QEMU_OPTION_acpitable:
3687 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3688 optarg, true);
3689 if (!opts) {
3690 exit(1);
3691 }
3692 do_acpitable_option(opts);
3693 break;
3694 case QEMU_OPTION_smbios:
3695 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3696 optarg, false);
3697 if (!opts) {
3698 exit(1);
3699 }
3700 do_smbios_option(opts);
3701 break;
3702 case QEMU_OPTION_fwcfg:
3703 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3704 optarg, true);
3705 if (opts == NULL) {
3706 exit(1);
3707 }
3708 break;
3709 case QEMU_OPTION_enable_kvm:
3710 olist = qemu_find_opts("machine");
3711 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3712 break;
3713 case QEMU_OPTION_M:
3714 case QEMU_OPTION_machine:
3715 olist = qemu_find_opts("machine");
3716 opts = qemu_opts_parse_noisily(olist, optarg, true);
3717 if (!opts) {
3718 exit(1);
3719 }
3720 break;
3721 case QEMU_OPTION_no_kvm:
3722 olist = qemu_find_opts("machine");
3723 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3724 break;
3725 case QEMU_OPTION_no_kvm_pit: {
3726 error_report("warning: ignoring deprecated option");
3727 break;
3728 }
3729 case QEMU_OPTION_no_kvm_pit_reinjection: {
3730 static GlobalProperty kvm_pit_lost_tick_policy = {
3731 .driver = "kvm-pit",
3732 .property = "lost_tick_policy",
3733 .value = "discard",
3734 };
3735
3736 error_report("warning: deprecated, replaced by "
3737 "-global kvm-pit.lost_tick_policy=discard");
3738 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3739 break;
3740 }
3741 case QEMU_OPTION_usb:
3742 olist = qemu_find_opts("machine");
3743 qemu_opts_parse_noisily(olist, "usb=on", false);
3744 break;
3745 case QEMU_OPTION_usbdevice:
3746 olist = qemu_find_opts("machine");
3747 qemu_opts_parse_noisily(olist, "usb=on", false);
3748 add_device_config(DEV_USB, optarg);
3749 break;
3750 case QEMU_OPTION_device:
3751 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3752 optarg, true)) {
3753 exit(1);
3754 }
3755 break;
3756 case QEMU_OPTION_smp:
3757 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3758 optarg, true)) {
3759 exit(1);
3760 }
3761 break;
3762 case QEMU_OPTION_vnc:
3763 vnc_parse(optarg, &error_fatal);
3764 break;
3765 case QEMU_OPTION_no_acpi:
3766 acpi_enabled = 0;
3767 break;
3768 case QEMU_OPTION_no_hpet:
3769 no_hpet = 1;
3770 break;
3771 case QEMU_OPTION_balloon:
3772 if (balloon_parse(optarg) < 0) {
3773 error_report("unknown -balloon argument %s", optarg);
3774 exit(1);
3775 }
3776 break;
3777 case QEMU_OPTION_no_reboot:
3778 no_reboot = 1;
3779 break;
3780 case QEMU_OPTION_no_shutdown:
3781 no_shutdown = 1;
3782 break;
3783 case QEMU_OPTION_show_cursor:
3784 cursor_hide = 0;
3785 break;
3786 case QEMU_OPTION_uuid:
3787 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3788 error_report("failed to parse UUID string: wrong format");
3789 exit(1);
3790 }
3791 qemu_uuid_set = true;
3792 break;
3793 case QEMU_OPTION_option_rom:
3794 if (nb_option_roms >= MAX_OPTION_ROMS) {
3795 error_report("too many option ROMs");
3796 exit(1);
3797 }
3798 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3799 optarg, true);
3800 if (!opts) {
3801 exit(1);
3802 }
3803 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3804 option_rom[nb_option_roms].bootindex =
3805 qemu_opt_get_number(opts, "bootindex", -1);
3806 if (!option_rom[nb_option_roms].name) {
3807 error_report("Option ROM file is not specified");
3808 exit(1);
3809 }
3810 nb_option_roms++;
3811 break;
3812 case QEMU_OPTION_semihosting:
3813 semihosting.enabled = true;
3814 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3815 break;
3816 case QEMU_OPTION_semihosting_config:
3817 semihosting.enabled = true;
3818 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3819 optarg, false);
3820 if (opts != NULL) {
3821 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3822 true);
3823 const char *target = qemu_opt_get(opts, "target");
3824 if (target != NULL) {
3825 if (strcmp("native", target) == 0) {
3826 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3827 } else if (strcmp("gdb", target) == 0) {
3828 semihosting.target = SEMIHOSTING_TARGET_GDB;
3829 } else if (strcmp("auto", target) == 0) {
3830 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3831 } else {
3832 error_report("unsupported semihosting-config %s",
3833 optarg);
3834 exit(1);
3835 }
3836 } else {
3837 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3838 }
3839 /* Set semihosting argument count and vector */
3840 qemu_opt_foreach(opts, add_semihosting_arg,
3841 &semihosting, NULL);
3842 } else {
3843 error_report("unsupported semihosting-config %s", optarg);
3844 exit(1);
3845 }
3846 break;
3847 case QEMU_OPTION_tdf:
3848 error_report("warning: ignoring deprecated option");
3849 break;
3850 case QEMU_OPTION_name:
3851 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3852 optarg, true);
3853 if (!opts) {
3854 exit(1);
3855 }
3856 break;
3857 case QEMU_OPTION_prom_env:
3858 if (nb_prom_envs >= MAX_PROM_ENVS) {
3859 error_report("too many prom variables");
3860 exit(1);
3861 }
3862 prom_envs[nb_prom_envs] = optarg;
3863 nb_prom_envs++;
3864 break;
3865 case QEMU_OPTION_old_param:
3866 old_param = 1;
3867 break;
3868 case QEMU_OPTION_clock:
3869 /* Clock options no longer exist. Keep this option for
3870 * backward compatibility.
3871 */
3872 break;
3873 case QEMU_OPTION_startdate:
3874 configure_rtc_date_offset(optarg, 1);
3875 break;
3876 case QEMU_OPTION_rtc:
3877 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3878 false);
3879 if (!opts) {
3880 exit(1);
3881 }
3882 configure_rtc(opts);
3883 break;
3884 case QEMU_OPTION_tb_size:
3885 tcg_tb_size = strtol(optarg, NULL, 0);
3886 if (tcg_tb_size < 0) {
3887 tcg_tb_size = 0;
3888 }
3889 break;
3890 case QEMU_OPTION_icount:
3891 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3892 optarg, true);
3893 if (!icount_opts) {
3894 exit(1);
3895 }
3896 break;
3897 case QEMU_OPTION_incoming:
3898 if (!incoming) {
3899 runstate_set(RUN_STATE_INMIGRATE);
3900 }
3901 incoming = optarg;
3902 break;
3903 case QEMU_OPTION_nodefaults:
3904 has_defaults = 0;
3905 break;
3906 case QEMU_OPTION_xen_domid:
3907 if (!(xen_available())) {
3908 error_report("Option not supported for this target");
3909 exit(1);
3910 }
3911 xen_domid = atoi(optarg);
3912 break;
3913 case QEMU_OPTION_xen_create:
3914 if (!(xen_available())) {
3915 error_report("Option not supported for this target");
3916 exit(1);
3917 }
3918 xen_mode = XEN_CREATE;
3919 break;
3920 case QEMU_OPTION_xen_attach:
3921 if (!(xen_available())) {
3922 error_report("Option not supported for this target");
3923 exit(1);
3924 }
3925 xen_mode = XEN_ATTACH;
3926 break;
3927 case QEMU_OPTION_trace:
3928 g_free(trace_file);
3929 trace_file = trace_opt_parse(optarg);
3930 break;
3931 case QEMU_OPTION_readconfig:
3932 {
3933 int ret = qemu_read_config_file(optarg);
3934 if (ret < 0) {
3935 error_report("read config %s: %s", optarg,
3936 strerror(-ret));
3937 exit(1);
3938 }
3939 break;
3940 }
3941 case QEMU_OPTION_spice:
3942 olist = qemu_find_opts("spice");
3943 if (!olist) {
3944 error_report("spice support is disabled");
3945 exit(1);
3946 }
3947 opts = qemu_opts_parse_noisily(olist, optarg, false);
3948 if (!opts) {
3949 exit(1);
3950 }
3951 display_remote++;
3952 break;
3953 case QEMU_OPTION_writeconfig:
3954 {
3955 FILE *fp;
3956 if (strcmp(optarg, "-") == 0) {
3957 fp = stdout;
3958 } else {
3959 fp = fopen(optarg, "w");
3960 if (fp == NULL) {
3961 error_report("open %s: %s", optarg,
3962 strerror(errno));
3963 exit(1);
3964 }
3965 }
3966 qemu_config_write(fp);
3967 if (fp != stdout) {
3968 fclose(fp);
3969 }
3970 break;
3971 }
3972 case QEMU_OPTION_qtest:
3973 qtest_chrdev = optarg;
3974 break;
3975 case QEMU_OPTION_qtest_log:
3976 qtest_log = optarg;
3977 break;
3978 case QEMU_OPTION_sandbox:
3979 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3980 optarg, true);
3981 if (!opts) {
3982 exit(1);
3983 }
3984 break;
3985 case QEMU_OPTION_add_fd:
3986 #ifndef _WIN32
3987 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3988 optarg, false);
3989 if (!opts) {
3990 exit(1);
3991 }
3992 #else
3993 error_report("File descriptor passing is disabled on this "
3994 "platform");
3995 exit(1);
3996 #endif
3997 break;
3998 case QEMU_OPTION_object:
3999 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4000 optarg, true);
4001 if (!opts) {
4002 exit(1);
4003 }
4004 break;
4005 case QEMU_OPTION_realtime:
4006 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4007 optarg, false);
4008 if (!opts) {
4009 exit(1);
4010 }
4011 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4012 break;
4013 case QEMU_OPTION_msg:
4014 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4015 false);
4016 if (!opts) {
4017 exit(1);
4018 }
4019 configure_msg(opts);
4020 break;
4021 case QEMU_OPTION_dump_vmstate:
4022 if (vmstate_dump_file) {
4023 error_report("only one '-dump-vmstate' "
4024 "option may be given");
4025 exit(1);
4026 }
4027 vmstate_dump_file = fopen(optarg, "w");
4028 if (vmstate_dump_file == NULL) {
4029 error_report("open %s: %s", optarg, strerror(errno));
4030 exit(1);
4031 }
4032 break;
4033 default:
4034 os_parse_cmd_args(popt->index, optarg);
4035 }
4036 }
4037 }
4038 /*
4039 * Clear error location left behind by the loop.
4040 * Best done right after the loop. Do not insert code here!
4041 */
4042 loc_set_none();
4043
4044 replay_configure(icount_opts);
4045
4046 machine_class = select_machine();
4047
4048 set_memory_options(&ram_slots, &maxram_size, machine_class);
4049
4050 os_daemonize();
4051
4052 if (qemu_init_main_loop(&main_loop_err)) {
4053 error_report_err(main_loop_err);
4054 exit(1);
4055 }
4056
4057 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4058 parse_sandbox, NULL, NULL)) {
4059 exit(1);
4060 }
4061
4062 if (qemu_opts_foreach(qemu_find_opts("name"),
4063 parse_name, NULL, NULL)) {
4064 exit(1);
4065 }
4066
4067 #ifndef _WIN32
4068 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4069 parse_add_fd, NULL, NULL)) {
4070 exit(1);
4071 }
4072
4073 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4074 cleanup_add_fd, NULL, NULL)) {
4075 exit(1);
4076 }
4077 #endif
4078
4079 current_machine = MACHINE(object_new(object_class_get_name(
4080 OBJECT_CLASS(machine_class))));
4081 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4082 exit(0);
4083 }
4084 object_property_add_child(object_get_root(), "machine",
4085 OBJECT(current_machine), &error_abort);
4086 cpu_exec_init_all();
4087
4088 if (machine_class->hw_version) {
4089 qemu_set_hw_version(machine_class->hw_version);
4090 }
4091
4092 if (cpu_model && is_help_option(cpu_model)) {
4093 list_cpus(stdout, &fprintf, cpu_model);
4094 exit(0);
4095 }
4096
4097 if (!trace_init_backends()) {
4098 exit(1);
4099 }
4100 trace_init_file(trace_file);
4101
4102 /* Open the logfile at this point and set the log mask if necessary.
4103 */
4104 if (log_file) {
4105 qemu_set_log_filename(log_file, &error_fatal);
4106 }
4107
4108 if (log_mask) {
4109 int mask;
4110 mask = qemu_str_to_log_mask(log_mask);
4111 if (!mask) {
4112 qemu_print_log_usage(stdout);
4113 exit(1);
4114 }
4115 qemu_set_log(mask);
4116 } else {
4117 qemu_set_log(0);
4118 }
4119
4120 /* If no data_dir is specified then try to find it relative to the
4121 executable path. */
4122 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4123 data_dir[data_dir_idx] = os_find_datadir();
4124 if (data_dir[data_dir_idx] != NULL) {
4125 data_dir_idx++;
4126 }
4127 }
4128 /* If all else fails use the install path specified when building. */
4129 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4130 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4131 }
4132
4133 /* -L help lists the data directories and exits. */
4134 if (list_data_dirs) {
4135 for (i = 0; i < data_dir_idx; i++) {
4136 printf("%s\n", data_dir[i]);
4137 }
4138 exit(0);
4139 }
4140
4141 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4142
4143 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4144 if (max_cpus > machine_class->max_cpus) {
4145 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4146 "supported by machine '%s' (%d)", max_cpus,
4147 machine_class->name, machine_class->max_cpus);
4148 exit(1);
4149 }
4150
4151 /*
4152 * Get the default machine options from the machine if it is not already
4153 * specified either by the configuration file or by the command line.
4154 */
4155 if (machine_class->default_machine_opts) {
4156 qemu_opts_set_defaults(qemu_find_opts("machine"),
4157 machine_class->default_machine_opts, 0);
4158 }
4159
4160 qemu_opts_foreach(qemu_find_opts("device"),
4161 default_driver_check, NULL, NULL);
4162 qemu_opts_foreach(qemu_find_opts("global"),
4163 default_driver_check, NULL, NULL);
4164
4165 if (!vga_model && !default_vga) {
4166 vga_interface_type = VGA_DEVICE;
4167 }
4168 if (!has_defaults || machine_class->no_serial) {
4169 default_serial = 0;
4170 }
4171 if (!has_defaults || machine_class->no_parallel) {
4172 default_parallel = 0;
4173 }
4174 if (!has_defaults || !machine_class->use_virtcon) {
4175 default_virtcon = 0;
4176 }
4177 if (!has_defaults || !machine_class->use_sclp) {
4178 default_sclp = 0;
4179 }
4180 if (!has_defaults || machine_class->no_floppy) {
4181 default_floppy = 0;
4182 }
4183 if (!has_defaults || machine_class->no_cdrom) {
4184 default_cdrom = 0;
4185 }
4186 if (!has_defaults || machine_class->no_sdcard) {
4187 default_sdcard = 0;
4188 }
4189 if (!has_defaults) {
4190 default_monitor = 0;
4191 default_net = 0;
4192 default_vga = 0;
4193 }
4194
4195 if (is_daemonized()) {
4196 /* According to documentation and historically, -nographic redirects
4197 * serial port, parallel port and monitor to stdio, which does not work
4198 * with -daemonize. We can redirect these to null instead, but since
4199 * -nographic is legacy, let's just error out.
4200 * We disallow -nographic only if all other ports are not redirected
4201 * explicitly, to not break existing legacy setups which uses
4202 * -nographic _and_ redirects all ports explicitly - this is valid
4203 * usage, -nographic is just a no-op in this case.
4204 */
4205 if (nographic
4206 && (default_parallel || default_serial
4207 || default_monitor || default_virtcon)) {
4208 error_report("-nographic cannot be used with -daemonize");
4209 exit(1);
4210 }
4211 #ifdef CONFIG_CURSES
4212 if (display_type == DT_CURSES) {
4213 error_report("curses display cannot be used with -daemonize");
4214 exit(1);
4215 }
4216 #endif
4217 }
4218
4219 if (nographic) {
4220 if (default_parallel)
4221 add_device_config(DEV_PARALLEL, "null");
4222 if (default_serial && default_monitor) {
4223 add_device_config(DEV_SERIAL, "mon:stdio");
4224 } else if (default_virtcon && default_monitor) {
4225 add_device_config(DEV_VIRTCON, "mon:stdio");
4226 } else if (default_sclp && default_monitor) {
4227 add_device_config(DEV_SCLP, "mon:stdio");
4228 } else {
4229 if (default_serial)
4230 add_device_config(DEV_SERIAL, "stdio");
4231 if (default_virtcon)
4232 add_device_config(DEV_VIRTCON, "stdio");
4233 if (default_sclp) {
4234 add_device_config(DEV_SCLP, "stdio");
4235 }
4236 if (default_monitor)
4237 monitor_parse("stdio", "readline", false);
4238 }
4239 } else {
4240 if (default_serial)
4241 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4242 if (default_parallel)
4243 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4244 if (default_monitor)
4245 monitor_parse("vc:80Cx24C", "readline", false);
4246 if (default_virtcon)
4247 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4248 if (default_sclp) {
4249 add_device_config(DEV_SCLP, "vc:80Cx24C");
4250 }
4251 }
4252
4253 #if defined(CONFIG_VNC)
4254 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4255 display_remote++;
4256 }
4257 #endif
4258 if (display_type == DT_DEFAULT && !display_remote) {
4259 #if defined(CONFIG_GTK)
4260 display_type = DT_GTK;
4261 #elif defined(CONFIG_SDL)
4262 display_type = DT_SDL;
4263 #elif defined(CONFIG_COCOA)
4264 display_type = DT_COCOA;
4265 #elif defined(CONFIG_VNC)
4266 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4267 #else
4268 display_type = DT_NONE;
4269 #endif
4270 }
4271
4272 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4273 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4274 "for SDL, ignoring option");
4275 }
4276 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4277 error_report("-no-quit is only valid for GTK and SDL, "
4278 "ignoring option");
4279 }
4280
4281 if (display_type == DT_GTK) {
4282 early_gtk_display_init(request_opengl);
4283 }
4284
4285 if (display_type == DT_SDL) {
4286 sdl_display_early_init(request_opengl);
4287 }
4288
4289 if (request_opengl == 1 && display_opengl == 0) {
4290 #if defined(CONFIG_OPENGL)
4291 error_report("OpenGL is not supported by the display");
4292 #else
4293 error_report("OpenGL support is disabled");
4294 #endif
4295 exit(1);
4296 }
4297
4298 page_size_init();
4299 socket_init();
4300
4301 if (qemu_opts_foreach(qemu_find_opts("object"),
4302 user_creatable_add_opts_foreach,
4303 object_create_initial, NULL)) {
4304 exit(1);
4305 }
4306
4307 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4308 chardev_init_func, NULL, NULL)) {
4309 exit(1);
4310 }
4311
4312 #ifdef CONFIG_VIRTFS
4313 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4314 fsdev_init_func, NULL, NULL)) {
4315 exit(1);
4316 }
4317 #endif
4318
4319 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4320 error_report("could not acquire pid file: %s", strerror(errno));
4321 exit(1);
4322 }
4323
4324 if (qemu_opts_foreach(qemu_find_opts("device"),
4325 device_help_func, NULL, NULL)) {
4326 exit(0);
4327 }
4328
4329 machine_opts = qemu_get_machine_opts();
4330 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4331 NULL)) {
4332 object_unref(OBJECT(current_machine));
4333 exit(1);
4334 }
4335
4336 configure_accelerator(current_machine);
4337
4338 if (qtest_chrdev) {
4339 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4340 }
4341
4342 machine_opts = qemu_get_machine_opts();
4343 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4344 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4345 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4346 bios_name = qemu_opt_get(machine_opts, "firmware");
4347
4348 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4349 if (opts) {
4350 boot_order = qemu_opt_get(opts, "order");
4351 if (boot_order) {
4352 validate_bootdevices(boot_order, &error_fatal);
4353 }
4354
4355 boot_once = qemu_opt_get(opts, "once");
4356 if (boot_once) {
4357 validate_bootdevices(boot_once, &error_fatal);
4358 }
4359
4360 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4361 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4362 }
4363
4364 if (!boot_order) {
4365 boot_order = machine_class->default_boot_order;
4366 }
4367
4368 if (!kernel_cmdline) {
4369 kernel_cmdline = "";
4370 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4371 }
4372
4373 linux_boot = (kernel_filename != NULL);
4374
4375 if (!linux_boot && *kernel_cmdline != '\0') {
4376 error_report("-append only allowed with -kernel option");
4377 exit(1);
4378 }
4379
4380 if (!linux_boot && initrd_filename != NULL) {
4381 error_report("-initrd only allowed with -kernel option");
4382 exit(1);
4383 }
4384
4385 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4386 error_report("-dtb only allowed with -kernel option");
4387 exit(1);
4388 }
4389
4390 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4391 /* fall back to the -kernel/-append */
4392 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4393 }
4394
4395 os_set_line_buffering();
4396
4397 /* spice needs the timers to be initialized by this point */
4398 qemu_spice_init();
4399
4400 cpu_ticks_init();
4401 if (icount_opts) {
4402 if (kvm_enabled() || xen_enabled()) {
4403 error_report("-icount is not allowed with kvm or xen");
4404 exit(1);
4405 }
4406 configure_icount(icount_opts, &error_abort);
4407 qemu_opts_del(icount_opts);
4408 }
4409
4410 if (default_net) {
4411 QemuOptsList *net = qemu_find_opts("net");
4412 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4413 #ifdef CONFIG_SLIRP
4414 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4415 #endif
4416 }
4417
4418 if (net_init_clients() < 0) {
4419 exit(1);
4420 }
4421
4422 if (qemu_opts_foreach(qemu_find_opts("object"),
4423 user_creatable_add_opts_foreach,
4424 object_create_delayed, NULL)) {
4425 exit(1);
4426 }
4427
4428 #ifdef CONFIG_TPM
4429 if (tpm_init() < 0) {
4430 exit(1);
4431 }
4432 #endif
4433
4434 /* init the bluetooth world */
4435 if (foreach_device_config(DEV_BT, bt_parse))
4436 exit(1);
4437
4438 if (!xen_enabled()) {
4439 /* On 32-bit hosts, QEMU is limited by virtual address space */
4440 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4441 error_report("at most 2047 MB RAM can be simulated");
4442 exit(1);
4443 }
4444 }
4445
4446 blk_mig_init();
4447 ram_mig_init();
4448
4449 /* If the currently selected machine wishes to override the units-per-bus
4450 * property of its default HBA interface type, do so now. */
4451 if (machine_class->units_per_default_bus) {
4452 override_max_devs(machine_class->block_default_type,
4453 machine_class->units_per_default_bus);
4454 }
4455
4456 /* open the virtual block devices */
4457 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4458 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4459 NULL, NULL);
4460 }
4461 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4462 &machine_class->block_default_type, NULL)) {
4463 exit(1);
4464 }
4465
4466 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4467 CDROM_OPTS);
4468 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4469 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4470
4471 parse_numa_opts(machine_class);
4472
4473 if (qemu_opts_foreach(qemu_find_opts("mon"),
4474 mon_init_func, NULL, NULL)) {
4475 exit(1);
4476 }
4477
4478 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4479 exit(1);
4480 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4481 exit(1);
4482 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4483 exit(1);
4484 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4485 exit(1);
4486 }
4487 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4488 exit(1);
4489
4490 /* If no default VGA is requested, the default is "none". */
4491 if (default_vga) {
4492 if (machine_class->default_display) {
4493 vga_model = machine_class->default_display;
4494 } else if (vga_interface_available(VGA_CIRRUS)) {
4495 vga_model = "cirrus";
4496 } else if (vga_interface_available(VGA_STD)) {
4497 vga_model = "std";
4498 }
4499 }
4500 if (vga_model) {
4501 select_vgahw(vga_model);
4502 }
4503
4504 if (watchdog) {
4505 i = select_watchdog(watchdog);
4506 if (i > 0)
4507 exit (i == 1 ? 1 : 0);
4508 }
4509
4510 machine_register_compat_props(current_machine);
4511
4512 qemu_opts_foreach(qemu_find_opts("global"),
4513 global_init_func, NULL, NULL);
4514
4515 /* This checkpoint is required by replay to separate prior clock
4516 reading from the other reads, because timer polling functions query
4517 clock values from the log. */
4518 replay_checkpoint(CHECKPOINT_INIT);
4519 qdev_machine_init();
4520
4521 current_machine->ram_size = ram_size;
4522 current_machine->maxram_size = maxram_size;
4523 current_machine->ram_slots = ram_slots;
4524 current_machine->boot_order = boot_order;
4525 current_machine->cpu_model = cpu_model;
4526
4527 machine_class->init(current_machine);
4528
4529 realtime_init();
4530
4531 audio_init();
4532
4533 cpu_synchronize_all_post_init();
4534
4535 numa_post_machine_init();
4536
4537 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4538 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4539 exit(1);
4540 }
4541
4542 /* init USB devices */
4543 if (machine_usb(current_machine)) {
4544 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4545 exit(1);
4546 }
4547
4548 /* Check if IGD GFX passthrough. */
4549 igd_gfx_passthru();
4550
4551 /* init generic devices */
4552 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4553 if (qemu_opts_foreach(qemu_find_opts("device"),
4554 device_init_func, NULL, NULL)) {
4555 exit(1);
4556 }
4557 rom_reset_order_override();
4558
4559 /* Did we create any drives that we failed to create a device for? */
4560 drive_check_orphaned();
4561
4562 /* Don't warn about the default network setup that you get if
4563 * no command line -net or -netdev options are specified. There
4564 * are two cases that we would otherwise complain about:
4565 * (1) board doesn't support a NIC but the implicit "-net nic"
4566 * requested one
4567 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4568 * sets up a nic that isn't connected to anything.
4569 */
4570 if (!default_net) {
4571 net_check_clients();
4572 }
4573
4574
4575 if (boot_once) {
4576 qemu_boot_set(boot_once, &error_fatal);
4577 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4578 }
4579
4580 ds = init_displaystate();
4581
4582 /* init local displays */
4583 switch (display_type) {
4584 case DT_CURSES:
4585 curses_display_init(ds, full_screen);
4586 break;
4587 case DT_SDL:
4588 sdl_display_init(ds, full_screen, no_frame);
4589 break;
4590 case DT_COCOA:
4591 cocoa_display_init(ds, full_screen);
4592 break;
4593 case DT_GTK:
4594 gtk_display_init(ds, full_screen, grab_on_hover);
4595 break;
4596 default:
4597 break;
4598 }
4599
4600 /* must be after terminal init, SDL library changes signal handlers */
4601 os_setup_signal_handling();
4602
4603 /* init remote displays */
4604 #ifdef CONFIG_VNC
4605 qemu_opts_foreach(qemu_find_opts("vnc"),
4606 vnc_init_func, NULL, NULL);
4607 #endif
4608
4609 if (using_spice) {
4610 qemu_spice_display_init();
4611 }
4612
4613 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4614 exit(1);
4615 }
4616
4617 qdev_machine_creation_done();
4618
4619 /* TODO: once all bus devices are qdevified, this should be done
4620 * when bus is created by qdev.c */
4621 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4622 qemu_run_machine_init_done_notifiers();
4623
4624 if (rom_check_and_register_reset() != 0) {
4625 error_report("rom check and register reset failed");
4626 exit(1);
4627 }
4628
4629 replay_start();
4630
4631 /* This checkpoint is required by replay to separate prior clock
4632 reading from the other reads, because timer polling functions query
4633 clock values from the log. */
4634 replay_checkpoint(CHECKPOINT_RESET);
4635 qemu_system_reset(VMRESET_SILENT);
4636 register_global_state();
4637 if (loadvm) {
4638 if (load_vmstate(loadvm) < 0) {
4639 autostart = 0;
4640 }
4641 }
4642
4643 qdev_prop_check_globals();
4644 if (vmstate_dump_file) {
4645 /* dump and exit */
4646 dump_vmstate_json_to_file(vmstate_dump_file);
4647 return 0;
4648 }
4649
4650 if (incoming) {
4651 Error *local_err = NULL;
4652 qemu_start_incoming_migration(incoming, &local_err);
4653 if (local_err) {
4654 error_reportf_err(local_err, "-incoming %s: ", incoming);
4655 exit(1);
4656 }
4657 } else if (autostart) {
4658 vm_start();
4659 }
4660
4661 os_setup_post();
4662
4663 trace_init_vcpu_events();
4664 main_loop();
4665 replay_disable_events();
4666 iothread_stop_all();
4667
4668 bdrv_close_all();
4669 pause_all_vcpus();
4670 res_free();
4671
4672 /* vhost-user must be cleaned up before chardevs. */
4673 net_cleanup();
4674 audio_cleanup();
4675 monitor_cleanup();
4676 qemu_chr_cleanup();
4677
4678 return 0;
4679 }
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