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sysbus: Remove ignored return value of FindSysbusDeviceFunc
[qemu.git] / vl.c
blobeafda8d737310db0efe2dd91926877183d27f94a
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 cpu_enable_ticks();
788 runstate_set(RUN_STATE_RUNNING);
789 vm_state_notify(1, RUN_STATE_RUNNING);
790 resume_all_vcpus();
791 }
792
793 qapi_event_send_resume(&error_abort);
794 }
795
796
797 /***********************************************************/
798 /* real time host monotonic timer */
799
800 static time_t qemu_time(void)
801 {
802 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
803 }
804
805 /***********************************************************/
806 /* host time/date access */
807 void qemu_get_timedate(struct tm *tm, int offset)
808 {
809 time_t ti = qemu_time();
810
811 ti += offset;
812 if (rtc_date_offset == -1) {
813 if (rtc_utc)
814 gmtime_r(&ti, tm);
815 else
816 localtime_r(&ti, tm);
817 } else {
818 ti -= rtc_date_offset;
819 gmtime_r(&ti, tm);
820 }
821 }
822
823 int qemu_timedate_diff(struct tm *tm)
824 {
825 time_t seconds;
826
827 if (rtc_date_offset == -1)
828 if (rtc_utc)
829 seconds = mktimegm(tm);
830 else {
831 struct tm tmp = *tm;
832 tmp.tm_isdst = -1; /* use timezone to figure it out */
833 seconds = mktime(&tmp);
834 }
835 else
836 seconds = mktimegm(tm) + rtc_date_offset;
837
838 return seconds - qemu_time();
839 }
840
841 static void configure_rtc_date_offset(const char *startdate, int legacy)
842 {
843 time_t rtc_start_date;
844 struct tm tm;
845
846 if (!strcmp(startdate, "now") && legacy) {
847 rtc_date_offset = -1;
848 } else {
849 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
850 &tm.tm_year,
851 &tm.tm_mon,
852 &tm.tm_mday,
853 &tm.tm_hour,
854 &tm.tm_min,
855 &tm.tm_sec) == 6) {
856 /* OK */
857 } else if (sscanf(startdate, "%d-%d-%d",
858 &tm.tm_year,
859 &tm.tm_mon,
860 &tm.tm_mday) == 3) {
861 tm.tm_hour = 0;
862 tm.tm_min = 0;
863 tm.tm_sec = 0;
864 } else {
865 goto date_fail;
866 }
867 tm.tm_year -= 1900;
868 tm.tm_mon--;
869 rtc_start_date = mktimegm(&tm);
870 if (rtc_start_date == -1) {
871 date_fail:
872 error_report("invalid date format");
873 error_printf("valid formats: "
874 "'2006-06-17T16:01:21' or '2006-06-17'\n");
875 exit(1);
876 }
877 rtc_date_offset = qemu_time() - rtc_start_date;
878 }
879 }
880
881 static void configure_rtc(QemuOpts *opts)
882 {
883 const char *value;
884
885 value = qemu_opt_get(opts, "base");
886 if (value) {
887 if (!strcmp(value, "utc")) {
888 rtc_utc = 1;
889 } else if (!strcmp(value, "localtime")) {
890 Error *blocker = NULL;
891 rtc_utc = 0;
892 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
893 "-rtc base=localtime");
894 replay_add_blocker(blocker);
895 } else {
896 configure_rtc_date_offset(value, 0);
897 }
898 }
899 value = qemu_opt_get(opts, "clock");
900 if (value) {
901 if (!strcmp(value, "host")) {
902 rtc_clock = QEMU_CLOCK_HOST;
903 } else if (!strcmp(value, "rt")) {
904 rtc_clock = QEMU_CLOCK_REALTIME;
905 } else if (!strcmp(value, "vm")) {
906 rtc_clock = QEMU_CLOCK_VIRTUAL;
907 } else {
908 error_report("invalid option value '%s'", value);
909 exit(1);
910 }
911 }
912 value = qemu_opt_get(opts, "driftfix");
913 if (value) {
914 if (!strcmp(value, "slew")) {
915 static GlobalProperty slew_lost_ticks = {
916 .driver = "mc146818rtc",
917 .property = "lost_tick_policy",
918 .value = "slew",
919 };
920
921 qdev_prop_register_global(&slew_lost_ticks);
922 } else if (!strcmp(value, "none")) {
923 /* discard is default */
924 } else {
925 error_report("invalid option value '%s'", value);
926 exit(1);
927 }
928 }
929 }
930
931 /***********************************************************/
932 /* Bluetooth support */
933 static int nb_hcis;
934 static int cur_hci;
935 static struct HCIInfo *hci_table[MAX_NICS];
936
937 struct HCIInfo *qemu_next_hci(void)
938 {
939 if (cur_hci == nb_hcis)
940 return &null_hci;
941
942 return hci_table[cur_hci++];
943 }
944
945 static int bt_hci_parse(const char *str)
946 {
947 struct HCIInfo *hci;
948 bdaddr_t bdaddr;
949
950 if (nb_hcis >= MAX_NICS) {
951 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
952 return -1;
953 }
954
955 hci = hci_init(str);
956 if (!hci)
957 return -1;
958
959 bdaddr.b[0] = 0x52;
960 bdaddr.b[1] = 0x54;
961 bdaddr.b[2] = 0x00;
962 bdaddr.b[3] = 0x12;
963 bdaddr.b[4] = 0x34;
964 bdaddr.b[5] = 0x56 + nb_hcis;
965 hci->bdaddr_set(hci, bdaddr.b);
966
967 hci_table[nb_hcis++] = hci;
968
969 return 0;
970 }
971
972 static void bt_vhci_add(int vlan_id)
973 {
974 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
975
976 if (!vlan->slave)
977 error_report("warning: adding a VHCI to an empty scatternet %i",
978 vlan_id);
979
980 bt_vhci_init(bt_new_hci(vlan));
981 }
982
983 static struct bt_device_s *bt_device_add(const char *opt)
984 {
985 struct bt_scatternet_s *vlan;
986 int vlan_id = 0;
987 char *endp = strstr(opt, ",vlan=");
988 int len = (endp ? endp - opt : strlen(opt)) + 1;
989 char devname[10];
990
991 pstrcpy(devname, MIN(sizeof(devname), len), opt);
992
993 if (endp) {
994 vlan_id = strtol(endp + 6, &endp, 0);
995 if (*endp) {
996 error_report("unrecognised bluetooth vlan Id");
997 return 0;
998 }
999 }
1000
1001 vlan = qemu_find_bt_vlan(vlan_id);
1002
1003 if (!vlan->slave)
1004 error_report("warning: adding a slave device to an empty scatternet %i",
1005 vlan_id);
1006
1007 if (!strcmp(devname, "keyboard"))
1008 return bt_keyboard_init(vlan);
1009
1010 error_report("unsupported bluetooth device '%s'", devname);
1011 return 0;
1012 }
1013
1014 static int bt_parse(const char *opt)
1015 {
1016 const char *endp, *p;
1017 int vlan;
1018
1019 if (strstart(opt, "hci", &endp)) {
1020 if (!*endp || *endp == ',') {
1021 if (*endp)
1022 if (!strstart(endp, ",vlan=", 0))
1023 opt = endp + 1;
1024
1025 return bt_hci_parse(opt);
1026 }
1027 } else if (strstart(opt, "vhci", &endp)) {
1028 if (!*endp || *endp == ',') {
1029 if (*endp) {
1030 if (strstart(endp, ",vlan=", &p)) {
1031 vlan = strtol(p, (char **) &endp, 0);
1032 if (*endp) {
1033 error_report("bad scatternet '%s'", p);
1034 return 1;
1035 }
1036 } else {
1037 error_report("bad parameter '%s'", endp + 1);
1038 return 1;
1039 }
1040 } else
1041 vlan = 0;
1042
1043 bt_vhci_add(vlan);
1044 return 0;
1045 }
1046 } else if (strstart(opt, "device:", &endp))
1047 return !bt_device_add(endp);
1048
1049 error_report("bad bluetooth parameter '%s'", opt);
1050 return 1;
1051 }
1052
1053 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1054 {
1055 /* FIXME: change this to true for 1.3 */
1056 if (qemu_opt_get_bool(opts, "enable", false)) {
1057 #ifdef CONFIG_SECCOMP
1058 if (seccomp_start() < 0) {
1059 error_report("failed to install seccomp syscall filter "
1060 "in the kernel");
1061 return -1;
1062 }
1063 #else
1064 error_report("seccomp support is disabled");
1065 return -1;
1066 #endif
1067 }
1068
1069 return 0;
1070 }
1071
1072 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1073 {
1074 const char *proc_name;
1075
1076 if (qemu_opt_get(opts, "debug-threads")) {
1077 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1078 }
1079 qemu_name = qemu_opt_get(opts, "guest");
1080
1081 proc_name = qemu_opt_get(opts, "process");
1082 if (proc_name) {
1083 os_set_proc_name(proc_name);
1084 }
1085
1086 return 0;
1087 }
1088
1089 bool defaults_enabled(void)
1090 {
1091 return has_defaults;
1092 }
1093
1094 #ifndef _WIN32
1095 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1096 {
1097 int fd, dupfd, flags;
1098 int64_t fdset_id;
1099 const char *fd_opaque = NULL;
1100 AddfdInfo *fdinfo;
1101
1102 fd = qemu_opt_get_number(opts, "fd", -1);
1103 fdset_id = qemu_opt_get_number(opts, "set", -1);
1104 fd_opaque = qemu_opt_get(opts, "opaque");
1105
1106 if (fd < 0) {
1107 error_report("fd option is required and must be non-negative");
1108 return -1;
1109 }
1110
1111 if (fd <= STDERR_FILENO) {
1112 error_report("fd cannot be a standard I/O stream");
1113 return -1;
1114 }
1115
1116 /*
1117 * All fds inherited across exec() necessarily have FD_CLOEXEC
1118 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1119 */
1120 flags = fcntl(fd, F_GETFD);
1121 if (flags == -1 || (flags & FD_CLOEXEC)) {
1122 error_report("fd is not valid or already in use");
1123 return -1;
1124 }
1125
1126 if (fdset_id < 0) {
1127 error_report("set option is required and must be non-negative");
1128 return -1;
1129 }
1130
1131 #ifdef F_DUPFD_CLOEXEC
1132 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1133 #else
1134 dupfd = dup(fd);
1135 if (dupfd != -1) {
1136 qemu_set_cloexec(dupfd);
1137 }
1138 #endif
1139 if (dupfd == -1) {
1140 error_report("error duplicating fd: %s", strerror(errno));
1141 return -1;
1142 }
1143
1144 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1145 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1146 &error_abort);
1147 g_free(fdinfo);
1148
1149 return 0;
1150 }
1151
1152 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1153 {
1154 int fd;
1155
1156 fd = qemu_opt_get_number(opts, "fd", -1);
1157 close(fd);
1158
1159 return 0;
1160 }
1161 #endif
1162
1163 /***********************************************************/
1164 /* QEMU Block devices */
1165
1166 #define HD_OPTS "media=disk"
1167 #define CDROM_OPTS "media=cdrom"
1168 #define FD_OPTS ""
1169 #define PFLASH_OPTS ""
1170 #define MTD_OPTS ""
1171 #define SD_OPTS ""
1172
1173 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1174 {
1175 BlockInterfaceType *block_default_type = opaque;
1176
1177 return drive_new(opts, *block_default_type) == NULL;
1178 }
1179
1180 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1181 {
1182 if (qemu_opt_get(opts, "snapshot") == NULL) {
1183 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1184 }
1185 return 0;
1186 }
1187
1188 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1189 int index, const char *optstr)
1190 {
1191 QemuOpts *opts;
1192 DriveInfo *dinfo;
1193
1194 if (!enable || drive_get_by_index(type, index)) {
1195 return;
1196 }
1197
1198 opts = drive_add(type, index, NULL, optstr);
1199 if (snapshot) {
1200 drive_enable_snapshot(NULL, opts, NULL);
1201 }
1202
1203 dinfo = drive_new(opts, type);
1204 if (!dinfo) {
1205 exit(1);
1206 }
1207 dinfo->is_default = true;
1208
1209 }
1210
1211 static QemuOptsList qemu_smp_opts = {
1212 .name = "smp-opts",
1213 .implied_opt_name = "cpus",
1214 .merge_lists = true,
1215 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1216 .desc = {
1217 {
1218 .name = "cpus",
1219 .type = QEMU_OPT_NUMBER,
1220 }, {
1221 .name = "sockets",
1222 .type = QEMU_OPT_NUMBER,
1223 }, {
1224 .name = "cores",
1225 .type = QEMU_OPT_NUMBER,
1226 }, {
1227 .name = "threads",
1228 .type = QEMU_OPT_NUMBER,
1229 }, {
1230 .name = "maxcpus",
1231 .type = QEMU_OPT_NUMBER,
1232 },
1233 { /*End of list */ }
1234 },
1235 };
1236
1237 static void smp_parse(QemuOpts *opts)
1238 {
1239 if (opts) {
1240 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1241 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1242 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1243 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1244
1245 /* compute missing values, prefer sockets over cores over threads */
1246 if (cpus == 0 || sockets == 0) {
1247 sockets = sockets > 0 ? sockets : 1;
1248 cores = cores > 0 ? cores : 1;
1249 threads = threads > 0 ? threads : 1;
1250 if (cpus == 0) {
1251 cpus = cores * threads * sockets;
1252 }
1253 } else if (cores == 0) {
1254 threads = threads > 0 ? threads : 1;
1255 cores = cpus / (sockets * threads);
1256 cores = cores > 0 ? cores : 1;
1257 } else if (threads == 0) {
1258 threads = cpus / (cores * sockets);
1259 threads = threads > 0 ? threads : 1;
1260 } else if (sockets * cores * threads < cpus) {
1261 error_report("cpu topology: "
1262 "sockets (%u) * cores (%u) * threads (%u) < "
1263 "smp_cpus (%u)",
1264 sockets, cores, threads, cpus);
1265 exit(1);
1266 }
1267
1268 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1269
1270 if (max_cpus > MAX_CPUMASK_BITS) {
1271 error_report("unsupported number of maxcpus");
1272 exit(1);
1273 }
1274
1275 if (max_cpus < cpus) {
1276 error_report("maxcpus must be equal to or greater than smp");
1277 exit(1);
1278 }
1279
1280 if (sockets * cores * threads > max_cpus) {
1281 error_report("cpu topology: "
1282 "sockets (%u) * cores (%u) * threads (%u) > "
1283 "maxcpus (%u)",
1284 sockets, cores, threads, max_cpus);
1285 exit(1);
1286 }
1287
1288 smp_cpus = cpus;
1289 smp_cores = cores;
1290 smp_threads = threads;
1291 }
1292
1293 if (smp_cpus > 1) {
1294 Error *blocker = NULL;
1295 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1296 replay_add_blocker(blocker);
1297 }
1298 }
1299
1300 static void realtime_init(void)
1301 {
1302 if (enable_mlock) {
1303 if (os_mlock() < 0) {
1304 error_report("locking memory failed");
1305 exit(1);
1306 }
1307 }
1308 }
1309
1310
1311 static void configure_msg(QemuOpts *opts)
1312 {
1313 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1314 }
1315
1316 /***********************************************************/
1317 /* Semihosting */
1318
1319 typedef struct SemihostingConfig {
1320 bool enabled;
1321 SemihostingTarget target;
1322 const char **argv;
1323 int argc;
1324 const char *cmdline; /* concatenated argv */
1325 } SemihostingConfig;
1326
1327 static SemihostingConfig semihosting;
1328
1329 bool semihosting_enabled(void)
1330 {
1331 return semihosting.enabled;
1332 }
1333
1334 SemihostingTarget semihosting_get_target(void)
1335 {
1336 return semihosting.target;
1337 }
1338
1339 const char *semihosting_get_arg(int i)
1340 {
1341 if (i >= semihosting.argc) {
1342 return NULL;
1343 }
1344 return semihosting.argv[i];
1345 }
1346
1347 int semihosting_get_argc(void)
1348 {
1349 return semihosting.argc;
1350 }
1351
1352 const char *semihosting_get_cmdline(void)
1353 {
1354 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1355 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1356 }
1357 return semihosting.cmdline;
1358 }
1359
1360 static int add_semihosting_arg(void *opaque,
1361 const char *name, const char *val,
1362 Error **errp)
1363 {
1364 SemihostingConfig *s = opaque;
1365 if (strcmp(name, "arg") == 0) {
1366 s->argc++;
1367 /* one extra element as g_strjoinv() expects NULL-terminated array */
1368 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1369 s->argv[s->argc - 1] = val;
1370 s->argv[s->argc] = NULL;
1371 }
1372 return 0;
1373 }
1374
1375 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1376 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1377 {
1378 char *cmd_token;
1379
1380 /* argv[0] */
1381 add_semihosting_arg(&semihosting, "arg", file, NULL);
1382
1383 /* split -append and initialize argv[1..n] */
1384 cmd_token = strtok(g_strdup(cmd), " ");
1385 while (cmd_token) {
1386 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1387 cmd_token = strtok(NULL, " ");
1388 }
1389 }
1390
1391 /* Now we still need this for compatibility with XEN. */
1392 bool has_igd_gfx_passthru;
1393 static void igd_gfx_passthru(void)
1394 {
1395 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1396 }
1397
1398 /***********************************************************/
1399 /* USB devices */
1400
1401 static int usb_device_add(const char *devname)
1402 {
1403 USBDevice *dev = NULL;
1404 #ifndef CONFIG_LINUX
1405 const char *p;
1406 #endif
1407
1408 if (!machine_usb(current_machine)) {
1409 return -1;
1410 }
1411
1412 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1413 dev = usbdevice_create(devname);
1414 if (dev)
1415 goto done;
1416
1417 /* the other ones */
1418 #ifndef CONFIG_LINUX
1419 /* only the linux version is qdev-ified, usb-bsd still needs this */
1420 if (strstart(devname, "host:", &p)) {
1421 dev = usb_host_device_open(usb_bus_find(-1), p);
1422 }
1423 #endif
1424 if (!dev)
1425 return -1;
1426
1427 done:
1428 return 0;
1429 }
1430
1431 static int usb_device_del(const char *devname)
1432 {
1433 int bus_num, addr;
1434 const char *p;
1435
1436 if (strstart(devname, "host:", &p)) {
1437 return -1;
1438 }
1439
1440 if (!machine_usb(current_machine)) {
1441 return -1;
1442 }
1443
1444 p = strchr(devname, '.');
1445 if (!p)
1446 return -1;
1447 bus_num = strtoul(devname, NULL, 0);
1448 addr = strtoul(p + 1, NULL, 0);
1449
1450 return usb_device_delete_addr(bus_num, addr);
1451 }
1452
1453 static int usb_parse(const char *cmdline)
1454 {
1455 int r;
1456 r = usb_device_add(cmdline);
1457 if (r < 0) {
1458 error_report("could not add USB device '%s'", cmdline);
1459 }
1460 return r;
1461 }
1462
1463 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1464 {
1465 const char *devname = qdict_get_str(qdict, "devname");
1466 if (usb_device_add(devname) < 0) {
1467 error_report("could not add USB device '%s'", devname);
1468 }
1469 }
1470
1471 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1472 {
1473 const char *devname = qdict_get_str(qdict, "devname");
1474 if (usb_device_del(devname) < 0) {
1475 error_report("could not delete USB device '%s'", devname);
1476 }
1477 }
1478
1479 /***********************************************************/
1480 /* machine registration */
1481
1482 MachineState *current_machine;
1483
1484 static MachineClass *find_machine(const char *name)
1485 {
1486 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1487 MachineClass *mc = NULL;
1488
1489 for (el = machines; el; el = el->next) {
1490 MachineClass *temp = el->data;
1491
1492 if (!strcmp(temp->name, name)) {
1493 mc = temp;
1494 break;
1495 }
1496 if (temp->alias &&
1497 !strcmp(temp->alias, name)) {
1498 mc = temp;
1499 break;
1500 }
1501 }
1502
1503 g_slist_free(machines);
1504 return mc;
1505 }
1506
1507 MachineClass *find_default_machine(void)
1508 {
1509 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1510 MachineClass *mc = NULL;
1511
1512 for (el = machines; el; el = el->next) {
1513 MachineClass *temp = el->data;
1514
1515 if (temp->is_default) {
1516 mc = temp;
1517 break;
1518 }
1519 }
1520
1521 g_slist_free(machines);
1522 return mc;
1523 }
1524
1525 MachineInfoList *qmp_query_machines(Error **errp)
1526 {
1527 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1528 MachineInfoList *mach_list = NULL;
1529
1530 for (el = machines; el; el = el->next) {
1531 MachineClass *mc = el->data;
1532 MachineInfoList *entry;
1533 MachineInfo *info;
1534
1535 info = g_malloc0(sizeof(*info));
1536 if (mc->is_default) {
1537 info->has_is_default = true;
1538 info->is_default = true;
1539 }
1540
1541 if (mc->alias) {
1542 info->has_alias = true;
1543 info->alias = g_strdup(mc->alias);
1544 }
1545
1546 info->name = g_strdup(mc->name);
1547 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1548 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1549
1550 entry = g_malloc0(sizeof(*entry));
1551 entry->value = info;
1552 entry->next = mach_list;
1553 mach_list = entry;
1554 }
1555
1556 g_slist_free(machines);
1557 return mach_list;
1558 }
1559
1560 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1561 {
1562 ObjectProperty *prop;
1563 ObjectPropertyIterator iter;
1564
1565 if (!qemu_opt_has_help_opt(opts)) {
1566 return 0;
1567 }
1568
1569 object_property_iter_init(&iter, OBJECT(machine));
1570 while ((prop = object_property_iter_next(&iter))) {
1571 if (!prop->set) {
1572 continue;
1573 }
1574
1575 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1576 prop->name, prop->type);
1577 if (prop->description) {
1578 error_printf(" (%s)\n", prop->description);
1579 } else {
1580 error_printf("\n");
1581 }
1582 }
1583
1584 return 1;
1585 }
1586
1587 /***********************************************************/
1588 /* main execution loop */
1589
1590 struct vm_change_state_entry {
1591 VMChangeStateHandler *cb;
1592 void *opaque;
1593 QLIST_ENTRY (vm_change_state_entry) entries;
1594 };
1595
1596 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1597
1598 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1599 void *opaque)
1600 {
1601 VMChangeStateEntry *e;
1602
1603 e = g_malloc0(sizeof (*e));
1604
1605 e->cb = cb;
1606 e->opaque = opaque;
1607 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1608 return e;
1609 }
1610
1611 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1612 {
1613 QLIST_REMOVE (e, entries);
1614 g_free (e);
1615 }
1616
1617 void vm_state_notify(int running, RunState state)
1618 {
1619 VMChangeStateEntry *e, *next;
1620
1621 trace_vm_state_notify(running, state);
1622
1623 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1624 e->cb(e->opaque, running, state);
1625 }
1626 }
1627
1628 /* reset/shutdown handler */
1629
1630 typedef struct QEMUResetEntry {
1631 QTAILQ_ENTRY(QEMUResetEntry) entry;
1632 QEMUResetHandler *func;
1633 void *opaque;
1634 } QEMUResetEntry;
1635
1636 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1637 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1638 static int reset_requested;
1639 static int shutdown_requested, shutdown_signal = -1;
1640 static pid_t shutdown_pid;
1641 static int powerdown_requested;
1642 static int debug_requested;
1643 static int suspend_requested;
1644 static WakeupReason wakeup_reason;
1645 static NotifierList powerdown_notifiers =
1646 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1647 static NotifierList suspend_notifiers =
1648 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1649 static NotifierList wakeup_notifiers =
1650 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1651 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1652
1653 int qemu_shutdown_requested_get(void)
1654 {
1655 return shutdown_requested;
1656 }
1657
1658 int qemu_reset_requested_get(void)
1659 {
1660 return reset_requested;
1661 }
1662
1663 static int qemu_shutdown_requested(void)
1664 {
1665 return atomic_xchg(&shutdown_requested, 0);
1666 }
1667
1668 static void qemu_kill_report(void)
1669 {
1670 if (!qtest_driver() && shutdown_signal != -1) {
1671 if (shutdown_pid == 0) {
1672 /* This happens for eg ^C at the terminal, so it's worth
1673 * avoiding printing an odd message in that case.
1674 */
1675 error_report("terminating on signal %d", shutdown_signal);
1676 } else {
1677 error_report("terminating on signal %d from pid " FMT_pid,
1678 shutdown_signal, shutdown_pid);
1679 }
1680 shutdown_signal = -1;
1681 }
1682 }
1683
1684 static int qemu_reset_requested(void)
1685 {
1686 int r = reset_requested;
1687 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1688 reset_requested = 0;
1689 return r;
1690 }
1691 return false;
1692 }
1693
1694 static int qemu_suspend_requested(void)
1695 {
1696 int r = suspend_requested;
1697 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1698 suspend_requested = 0;
1699 return r;
1700 }
1701 return false;
1702 }
1703
1704 static WakeupReason qemu_wakeup_requested(void)
1705 {
1706 return wakeup_reason;
1707 }
1708
1709 static int qemu_powerdown_requested(void)
1710 {
1711 int r = powerdown_requested;
1712 powerdown_requested = 0;
1713 return r;
1714 }
1715
1716 static int qemu_debug_requested(void)
1717 {
1718 int r = debug_requested;
1719 debug_requested = 0;
1720 return r;
1721 }
1722
1723 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1724 {
1725 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1726
1727 re->func = func;
1728 re->opaque = opaque;
1729 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1730 }
1731
1732 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1733 {
1734 QEMUResetEntry *re;
1735
1736 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1737 if (re->func == func && re->opaque == opaque) {
1738 QTAILQ_REMOVE(&reset_handlers, re, entry);
1739 g_free(re);
1740 return;
1741 }
1742 }
1743 }
1744
1745 void qemu_devices_reset(void)
1746 {
1747 QEMUResetEntry *re, *nre;
1748
1749 /* reset all devices */
1750 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1751 re->func(re->opaque);
1752 }
1753 }
1754
1755 void qemu_system_reset(bool report)
1756 {
1757 MachineClass *mc;
1758
1759 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1760
1761 cpu_synchronize_all_states();
1762
1763 if (mc && mc->reset) {
1764 mc->reset();
1765 } else {
1766 qemu_devices_reset();
1767 }
1768 if (report) {
1769 qapi_event_send_reset(&error_abort);
1770 }
1771 cpu_synchronize_all_post_reset();
1772 }
1773
1774 void qemu_system_guest_panicked(void)
1775 {
1776 if (current_cpu) {
1777 current_cpu->crash_occurred = true;
1778 }
1779 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1780 vm_stop(RUN_STATE_GUEST_PANICKED);
1781 }
1782
1783 void qemu_system_reset_request(void)
1784 {
1785 if (no_reboot) {
1786 shutdown_requested = 1;
1787 } else {
1788 reset_requested = 1;
1789 }
1790 cpu_stop_current();
1791 qemu_notify_event();
1792 }
1793
1794 static void qemu_system_suspend(void)
1795 {
1796 pause_all_vcpus();
1797 notifier_list_notify(&suspend_notifiers, NULL);
1798 runstate_set(RUN_STATE_SUSPENDED);
1799 qapi_event_send_suspend(&error_abort);
1800 }
1801
1802 void qemu_system_suspend_request(void)
1803 {
1804 if (runstate_check(RUN_STATE_SUSPENDED)) {
1805 return;
1806 }
1807 suspend_requested = 1;
1808 cpu_stop_current();
1809 qemu_notify_event();
1810 }
1811
1812 void qemu_register_suspend_notifier(Notifier *notifier)
1813 {
1814 notifier_list_add(&suspend_notifiers, notifier);
1815 }
1816
1817 void qemu_system_wakeup_request(WakeupReason reason)
1818 {
1819 trace_system_wakeup_request(reason);
1820
1821 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1822 return;
1823 }
1824 if (!(wakeup_reason_mask & (1 << reason))) {
1825 return;
1826 }
1827 runstate_set(RUN_STATE_RUNNING);
1828 wakeup_reason = reason;
1829 qemu_notify_event();
1830 }
1831
1832 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1833 {
1834 if (enabled) {
1835 wakeup_reason_mask |= (1 << reason);
1836 } else {
1837 wakeup_reason_mask &= ~(1 << reason);
1838 }
1839 }
1840
1841 void qemu_register_wakeup_notifier(Notifier *notifier)
1842 {
1843 notifier_list_add(&wakeup_notifiers, notifier);
1844 }
1845
1846 void qemu_system_killed(int signal, pid_t pid)
1847 {
1848 shutdown_signal = signal;
1849 shutdown_pid = pid;
1850 no_shutdown = 0;
1851
1852 /* Cannot call qemu_system_shutdown_request directly because
1853 * we are in a signal handler.
1854 */
1855 shutdown_requested = 1;
1856 qemu_notify_event();
1857 }
1858
1859 void qemu_system_shutdown_request(void)
1860 {
1861 trace_qemu_system_shutdown_request();
1862 replay_shutdown_request();
1863 shutdown_requested = 1;
1864 qemu_notify_event();
1865 }
1866
1867 static void qemu_system_powerdown(void)
1868 {
1869 qapi_event_send_powerdown(&error_abort);
1870 notifier_list_notify(&powerdown_notifiers, NULL);
1871 }
1872
1873 void qemu_system_powerdown_request(void)
1874 {
1875 trace_qemu_system_powerdown_request();
1876 powerdown_requested = 1;
1877 qemu_notify_event();
1878 }
1879
1880 void qemu_register_powerdown_notifier(Notifier *notifier)
1881 {
1882 notifier_list_add(&powerdown_notifiers, notifier);
1883 }
1884
1885 void qemu_system_debug_request(void)
1886 {
1887 debug_requested = 1;
1888 qemu_notify_event();
1889 }
1890
1891 static bool main_loop_should_exit(void)
1892 {
1893 RunState r;
1894 if (qemu_debug_requested()) {
1895 vm_stop(RUN_STATE_DEBUG);
1896 }
1897 if (qemu_suspend_requested()) {
1898 qemu_system_suspend();
1899 }
1900 if (qemu_shutdown_requested()) {
1901 qemu_kill_report();
1902 qapi_event_send_shutdown(&error_abort);
1903 if (no_shutdown) {
1904 vm_stop(RUN_STATE_SHUTDOWN);
1905 } else {
1906 return true;
1907 }
1908 }
1909 if (qemu_reset_requested()) {
1910 pause_all_vcpus();
1911 qemu_system_reset(VMRESET_REPORT);
1912 resume_all_vcpus();
1913 if (!runstate_check(RUN_STATE_RUNNING) &&
1914 !runstate_check(RUN_STATE_INMIGRATE)) {
1915 runstate_set(RUN_STATE_PRELAUNCH);
1916 }
1917 }
1918 if (qemu_wakeup_requested()) {
1919 pause_all_vcpus();
1920 qemu_system_reset(VMRESET_SILENT);
1921 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1922 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1923 resume_all_vcpus();
1924 qapi_event_send_wakeup(&error_abort);
1925 }
1926 if (qemu_powerdown_requested()) {
1927 qemu_system_powerdown();
1928 }
1929 if (qemu_vmstop_requested(&r)) {
1930 vm_stop(r);
1931 }
1932 return false;
1933 }
1934
1935 static void main_loop(void)
1936 {
1937 bool nonblocking;
1938 int last_io = 0;
1939 #ifdef CONFIG_PROFILER
1940 int64_t ti;
1941 #endif
1942 do {
1943 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1944 #ifdef CONFIG_PROFILER
1945 ti = profile_getclock();
1946 #endif
1947 last_io = main_loop_wait(nonblocking);
1948 #ifdef CONFIG_PROFILER
1949 dev_time += profile_getclock() - ti;
1950 #endif
1951 } while (!main_loop_should_exit());
1952 }
1953
1954 static void version(void)
1955 {
1956 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", "
1957 QEMU_COPYRIGHT "\n");
1958 }
1959
1960 static void help(int exitcode)
1961 {
1962 version();
1963 printf("usage: %s [options] [disk_image]\n\n"
1964 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1965 error_get_progname());
1966
1967 #define QEMU_OPTIONS_GENERATE_HELP
1968 #include "qemu-options-wrapper.h"
1969
1970 printf("\nDuring emulation, the following keys are useful:\n"
1971 "ctrl-alt-f toggle full screen\n"
1972 "ctrl-alt-n switch to virtual console 'n'\n"
1973 "ctrl-alt toggle mouse and keyboard grab\n"
1974 "\n"
1975 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1976
1977 exit(exitcode);
1978 }
1979
1980 #define HAS_ARG 0x0001
1981
1982 typedef struct QEMUOption {
1983 const char *name;
1984 int flags;
1985 int index;
1986 uint32_t arch_mask;
1987 } QEMUOption;
1988
1989 static const QEMUOption qemu_options[] = {
1990 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1991 #define QEMU_OPTIONS_GENERATE_OPTIONS
1992 #include "qemu-options-wrapper.h"
1993 { NULL },
1994 };
1995
1996 typedef struct VGAInterfaceInfo {
1997 const char *opt_name; /* option name */
1998 const char *name; /* human-readable name */
1999 /* Class names indicating that support is available.
2000 * If no class is specified, the interface is always available */
2001 const char *class_names[2];
2002 } VGAInterfaceInfo;
2003
2004 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2005 [VGA_NONE] = {
2006 .opt_name = "none",
2007 },
2008 [VGA_STD] = {
2009 .opt_name = "std",
2010 .name = "standard VGA",
2011 .class_names = { "VGA", "isa-vga" },
2012 },
2013 [VGA_CIRRUS] = {
2014 .opt_name = "cirrus",
2015 .name = "Cirrus VGA",
2016 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2017 },
2018 [VGA_VMWARE] = {
2019 .opt_name = "vmware",
2020 .name = "VMWare SVGA",
2021 .class_names = { "vmware-svga" },
2022 },
2023 [VGA_VIRTIO] = {
2024 .opt_name = "virtio",
2025 .name = "Virtio VGA",
2026 .class_names = { "virtio-vga" },
2027 },
2028 [VGA_QXL] = {
2029 .opt_name = "qxl",
2030 .name = "QXL VGA",
2031 .class_names = { "qxl-vga" },
2032 },
2033 [VGA_TCX] = {
2034 .opt_name = "tcx",
2035 .name = "TCX framebuffer",
2036 .class_names = { "SUNW,tcx" },
2037 },
2038 [VGA_CG3] = {
2039 .opt_name = "cg3",
2040 .name = "CG3 framebuffer",
2041 .class_names = { "cgthree" },
2042 },
2043 [VGA_XENFB] = {
2044 .opt_name = "xenfb",
2045 },
2046 };
2047
2048 static bool vga_interface_available(VGAInterfaceType t)
2049 {
2050 VGAInterfaceInfo *ti = &vga_interfaces[t];
2051
2052 assert(t < VGA_TYPE_MAX);
2053 return !ti->class_names[0] ||
2054 object_class_by_name(ti->class_names[0]) ||
2055 object_class_by_name(ti->class_names[1]);
2056 }
2057
2058 static void select_vgahw(const char *p)
2059 {
2060 const char *opts;
2061 int t;
2062
2063 assert(vga_interface_type == VGA_NONE);
2064 for (t = 0; t < VGA_TYPE_MAX; t++) {
2065 VGAInterfaceInfo *ti = &vga_interfaces[t];
2066 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2067 if (!vga_interface_available(t)) {
2068 error_report("%s not available", ti->name);
2069 exit(1);
2070 }
2071 vga_interface_type = t;
2072 break;
2073 }
2074 }
2075 if (t == VGA_TYPE_MAX) {
2076 invalid_vga:
2077 error_report("unknown vga type: %s", p);
2078 exit(1);
2079 }
2080 while (*opts) {
2081 const char *nextopt;
2082
2083 if (strstart(opts, ",retrace=", &nextopt)) {
2084 opts = nextopt;
2085 if (strstart(opts, "dumb", &nextopt))
2086 vga_retrace_method = VGA_RETRACE_DUMB;
2087 else if (strstart(opts, "precise", &nextopt))
2088 vga_retrace_method = VGA_RETRACE_PRECISE;
2089 else goto invalid_vga;
2090 } else goto invalid_vga;
2091 opts = nextopt;
2092 }
2093 }
2094
2095 typedef enum DisplayType {
2096 DT_DEFAULT,
2097 DT_CURSES,
2098 DT_SDL,
2099 DT_COCOA,
2100 DT_GTK,
2101 DT_NONE,
2102 } DisplayType;
2103
2104 static DisplayType select_display(const char *p)
2105 {
2106 const char *opts;
2107 DisplayType display = DT_DEFAULT;
2108
2109 if (strstart(p, "sdl", &opts)) {
2110 #ifdef CONFIG_SDL
2111 display = DT_SDL;
2112 while (*opts) {
2113 const char *nextopt;
2114
2115 if (strstart(opts, ",frame=", &nextopt)) {
2116 opts = nextopt;
2117 if (strstart(opts, "on", &nextopt)) {
2118 no_frame = 0;
2119 } else if (strstart(opts, "off", &nextopt)) {
2120 no_frame = 1;
2121 } else {
2122 goto invalid_sdl_args;
2123 }
2124 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2125 opts = nextopt;
2126 if (strstart(opts, "on", &nextopt)) {
2127 alt_grab = 1;
2128 } else if (strstart(opts, "off", &nextopt)) {
2129 alt_grab = 0;
2130 } else {
2131 goto invalid_sdl_args;
2132 }
2133 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2134 opts = nextopt;
2135 if (strstart(opts, "on", &nextopt)) {
2136 ctrl_grab = 1;
2137 } else if (strstart(opts, "off", &nextopt)) {
2138 ctrl_grab = 0;
2139 } else {
2140 goto invalid_sdl_args;
2141 }
2142 } else if (strstart(opts, ",window_close=", &nextopt)) {
2143 opts = nextopt;
2144 if (strstart(opts, "on", &nextopt)) {
2145 no_quit = 0;
2146 } else if (strstart(opts, "off", &nextopt)) {
2147 no_quit = 1;
2148 } else {
2149 goto invalid_sdl_args;
2150 }
2151 } else if (strstart(opts, ",gl=", &nextopt)) {
2152 opts = nextopt;
2153 if (strstart(opts, "on", &nextopt)) {
2154 request_opengl = 1;
2155 } else if (strstart(opts, "off", &nextopt)) {
2156 request_opengl = 0;
2157 } else {
2158 goto invalid_sdl_args;
2159 }
2160 } else {
2161 invalid_sdl_args:
2162 error_report("invalid SDL option string");
2163 exit(1);
2164 }
2165 opts = nextopt;
2166 }
2167 #else
2168 error_report("SDL support is disabled");
2169 exit(1);
2170 #endif
2171 } else if (strstart(p, "vnc", &opts)) {
2172 if (*opts == '=') {
2173 vnc_parse(opts + 1, &error_fatal);
2174 } else {
2175 error_report("VNC requires a display argument vnc=<display>");
2176 exit(1);
2177 }
2178 } else if (strstart(p, "curses", &opts)) {
2179 #ifdef CONFIG_CURSES
2180 display = DT_CURSES;
2181 #else
2182 error_report("curses support is disabled");
2183 exit(1);
2184 #endif
2185 } else if (strstart(p, "gtk", &opts)) {
2186 #ifdef CONFIG_GTK
2187 display = DT_GTK;
2188 while (*opts) {
2189 const char *nextopt;
2190
2191 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2192 opts = nextopt;
2193 if (strstart(opts, "on", &nextopt)) {
2194 grab_on_hover = true;
2195 } else if (strstart(opts, "off", &nextopt)) {
2196 grab_on_hover = false;
2197 } else {
2198 goto invalid_gtk_args;
2199 }
2200 } else if (strstart(opts, ",gl=", &nextopt)) {
2201 opts = nextopt;
2202 if (strstart(opts, "on", &nextopt)) {
2203 request_opengl = 1;
2204 } else if (strstart(opts, "off", &nextopt)) {
2205 request_opengl = 0;
2206 } else {
2207 goto invalid_gtk_args;
2208 }
2209 } else {
2210 invalid_gtk_args:
2211 error_report("invalid GTK option string");
2212 exit(1);
2213 }
2214 opts = nextopt;
2215 }
2216 #else
2217 error_report("GTK support is disabled");
2218 exit(1);
2219 #endif
2220 } else if (strstart(p, "none", &opts)) {
2221 display = DT_NONE;
2222 } else {
2223 error_report("unknown display type");
2224 exit(1);
2225 }
2226
2227 return display;
2228 }
2229
2230 static int balloon_parse(const char *arg)
2231 {
2232 QemuOpts *opts;
2233
2234 if (strcmp(arg, "none") == 0) {
2235 return 0;
2236 }
2237
2238 if (!strncmp(arg, "virtio", 6)) {
2239 if (arg[6] == ',') {
2240 /* have params -> parse them */
2241 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2242 false);
2243 if (!opts)
2244 return -1;
2245 } else {
2246 /* create empty opts */
2247 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2248 &error_abort);
2249 }
2250 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2251 return 0;
2252 }
2253
2254 return -1;
2255 }
2256
2257 char *qemu_find_file(int type, const char *name)
2258 {
2259 int i;
2260 const char *subdir;
2261 char *buf;
2262
2263 /* Try the name as a straight path first */
2264 if (access(name, R_OK) == 0) {
2265 trace_load_file(name, name);
2266 return g_strdup(name);
2267 }
2268
2269 switch (type) {
2270 case QEMU_FILE_TYPE_BIOS:
2271 subdir = "";
2272 break;
2273 case QEMU_FILE_TYPE_KEYMAP:
2274 subdir = "keymaps/";
2275 break;
2276 default:
2277 abort();
2278 }
2279
2280 for (i = 0; i < data_dir_idx; i++) {
2281 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2282 if (access(buf, R_OK) == 0) {
2283 trace_load_file(name, buf);
2284 return buf;
2285 }
2286 g_free(buf);
2287 }
2288 return NULL;
2289 }
2290
2291 static inline bool nonempty_str(const char *str)
2292 {
2293 return str && *str;
2294 }
2295
2296 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2297 {
2298 gchar *buf;
2299 size_t size;
2300 const char *name, *file, *str;
2301 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2302
2303 if (fw_cfg == NULL) {
2304 error_report("fw_cfg device not available");
2305 return -1;
2306 }
2307 name = qemu_opt_get(opts, "name");
2308 file = qemu_opt_get(opts, "file");
2309 str = qemu_opt_get(opts, "string");
2310
2311 /* we need name and either a file or the content string */
2312 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2313 error_report("invalid argument(s)");
2314 return -1;
2315 }
2316 if (nonempty_str(file) && nonempty_str(str)) {
2317 error_report("file and string are mutually exclusive");
2318 return -1;
2319 }
2320 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2321 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2322 return -1;
2323 }
2324 if (strncmp(name, "opt/", 4) != 0) {
2325 error_report("warning: externally provided fw_cfg item names "
2326 "should be prefixed with \"opt/\"");
2327 }
2328 if (nonempty_str(str)) {
2329 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2330 buf = g_memdup(str, size);
2331 } else {
2332 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2333 error_report("can't load %s", file);
2334 return -1;
2335 }
2336 }
2337 /* For legacy, keep user files in a specific global order. */
2338 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2339 fw_cfg_add_file(fw_cfg, name, buf, size);
2340 fw_cfg_reset_order_override(fw_cfg);
2341 return 0;
2342 }
2343
2344 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2345 {
2346 return qdev_device_help(opts);
2347 }
2348
2349 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2350 {
2351 Error *err = NULL;
2352 DeviceState *dev;
2353
2354 dev = qdev_device_add(opts, &err);
2355 if (!dev) {
2356 error_report_err(err);
2357 return -1;
2358 }
2359 object_unref(OBJECT(dev));
2360 return 0;
2361 }
2362
2363 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2364 {
2365 Error *local_err = NULL;
2366
2367 qemu_chr_new_from_opts(opts, NULL, &local_err);
2368 if (local_err) {
2369 error_report_err(local_err);
2370 return -1;
2371 }
2372 return 0;
2373 }
2374
2375 #ifdef CONFIG_VIRTFS
2376 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2377 {
2378 return qemu_fsdev_add(opts);
2379 }
2380 #endif
2381
2382 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2383 {
2384 CharDriverState *chr;
2385 const char *chardev;
2386 const char *mode;
2387 int flags;
2388
2389 mode = qemu_opt_get(opts, "mode");
2390 if (mode == NULL) {
2391 mode = "readline";
2392 }
2393 if (strcmp(mode, "readline") == 0) {
2394 flags = MONITOR_USE_READLINE;
2395 } else if (strcmp(mode, "control") == 0) {
2396 flags = MONITOR_USE_CONTROL;
2397 } else {
2398 error_report("unknown monitor mode \"%s\"", mode);
2399 exit(1);
2400 }
2401
2402 if (qemu_opt_get_bool(opts, "pretty", 0))
2403 flags |= MONITOR_USE_PRETTY;
2404
2405 if (qemu_opt_get_bool(opts, "default", 0))
2406 flags |= MONITOR_IS_DEFAULT;
2407
2408 chardev = qemu_opt_get(opts, "chardev");
2409 chr = qemu_chr_find(chardev);
2410 if (chr == NULL) {
2411 error_report("chardev \"%s\" not found", chardev);
2412 exit(1);
2413 }
2414
2415 qemu_chr_fe_claim_no_fail(chr);
2416 monitor_init(chr, flags);
2417 return 0;
2418 }
2419
2420 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2421 {
2422 static int monitor_device_index = 0;
2423 QemuOpts *opts;
2424 const char *p;
2425 char label[32];
2426 int def = 0;
2427
2428 if (strstart(optarg, "chardev:", &p)) {
2429 snprintf(label, sizeof(label), "%s", p);
2430 } else {
2431 snprintf(label, sizeof(label), "compat_monitor%d",
2432 monitor_device_index);
2433 if (monitor_device_index == 0) {
2434 def = 1;
2435 }
2436 opts = qemu_chr_parse_compat(label, optarg);
2437 if (!opts) {
2438 error_report("parse error: %s", optarg);
2439 exit(1);
2440 }
2441 }
2442
2443 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2444 qemu_opt_set(opts, "mode", mode, &error_abort);
2445 qemu_opt_set(opts, "chardev", label, &error_abort);
2446 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2447 if (def)
2448 qemu_opt_set(opts, "default", "on", &error_abort);
2449 monitor_device_index++;
2450 }
2451
2452 struct device_config {
2453 enum {
2454 DEV_USB, /* -usbdevice */
2455 DEV_BT, /* -bt */
2456 DEV_SERIAL, /* -serial */
2457 DEV_PARALLEL, /* -parallel */
2458 DEV_VIRTCON, /* -virtioconsole */
2459 DEV_DEBUGCON, /* -debugcon */
2460 DEV_GDB, /* -gdb, -s */
2461 DEV_SCLP, /* s390 sclp */
2462 } type;
2463 const char *cmdline;
2464 Location loc;
2465 QTAILQ_ENTRY(device_config) next;
2466 };
2467
2468 static QTAILQ_HEAD(, device_config) device_configs =
2469 QTAILQ_HEAD_INITIALIZER(device_configs);
2470
2471 static void add_device_config(int type, const char *cmdline)
2472 {
2473 struct device_config *conf;
2474
2475 conf = g_malloc0(sizeof(*conf));
2476 conf->type = type;
2477 conf->cmdline = cmdline;
2478 loc_save(&conf->loc);
2479 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2480 }
2481
2482 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2483 {
2484 struct device_config *conf;
2485 int rc;
2486
2487 QTAILQ_FOREACH(conf, &device_configs, next) {
2488 if (conf->type != type)
2489 continue;
2490 loc_push_restore(&conf->loc);
2491 rc = func(conf->cmdline);
2492 loc_pop(&conf->loc);
2493 if (rc) {
2494 return rc;
2495 }
2496 }
2497 return 0;
2498 }
2499
2500 static int serial_parse(const char *devname)
2501 {
2502 static int index = 0;
2503 char label[32];
2504
2505 if (strcmp(devname, "none") == 0)
2506 return 0;
2507 if (index == MAX_SERIAL_PORTS) {
2508 error_report("too many serial ports");
2509 exit(1);
2510 }
2511 snprintf(label, sizeof(label), "serial%d", index);
2512 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2513 if (!serial_hds[index]) {
2514 error_report("could not connect serial device"
2515 " to character backend '%s'", devname);
2516 return -1;
2517 }
2518 index++;
2519 return 0;
2520 }
2521
2522 static int parallel_parse(const char *devname)
2523 {
2524 static int index = 0;
2525 char label[32];
2526
2527 if (strcmp(devname, "none") == 0)
2528 return 0;
2529 if (index == MAX_PARALLEL_PORTS) {
2530 error_report("too many parallel ports");
2531 exit(1);
2532 }
2533 snprintf(label, sizeof(label), "parallel%d", index);
2534 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2535 if (!parallel_hds[index]) {
2536 error_report("could not connect parallel device"
2537 " to character backend '%s'", devname);
2538 return -1;
2539 }
2540 index++;
2541 return 0;
2542 }
2543
2544 static int virtcon_parse(const char *devname)
2545 {
2546 QemuOptsList *device = qemu_find_opts("device");
2547 static int index = 0;
2548 char label[32];
2549 QemuOpts *bus_opts, *dev_opts;
2550
2551 if (strcmp(devname, "none") == 0)
2552 return 0;
2553 if (index == MAX_VIRTIO_CONSOLES) {
2554 error_report("too many virtio consoles");
2555 exit(1);
2556 }
2557
2558 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2559 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2560
2561 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2562 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2563
2564 snprintf(label, sizeof(label), "virtcon%d", index);
2565 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2566 if (!virtcon_hds[index]) {
2567 error_report("could not connect virtio console"
2568 " to character backend '%s'", devname);
2569 return -1;
2570 }
2571 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2572
2573 index++;
2574 return 0;
2575 }
2576
2577 static int sclp_parse(const char *devname)
2578 {
2579 QemuOptsList *device = qemu_find_opts("device");
2580 static int index = 0;
2581 char label[32];
2582 QemuOpts *dev_opts;
2583
2584 if (strcmp(devname, "none") == 0) {
2585 return 0;
2586 }
2587 if (index == MAX_SCLP_CONSOLES) {
2588 error_report("too many sclp consoles");
2589 exit(1);
2590 }
2591
2592 assert(arch_type == QEMU_ARCH_S390X);
2593
2594 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2595 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2596
2597 snprintf(label, sizeof(label), "sclpcon%d", index);
2598 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2599 if (!sclp_hds[index]) {
2600 error_report("could not connect sclp console"
2601 " to character backend '%s'", devname);
2602 return -1;
2603 }
2604 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2605
2606 index++;
2607 return 0;
2608 }
2609
2610 static int debugcon_parse(const char *devname)
2611 {
2612 QemuOpts *opts;
2613
2614 if (!qemu_chr_new("debugcon", devname, NULL)) {
2615 exit(1);
2616 }
2617 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2618 if (!opts) {
2619 error_report("already have a debugcon device");
2620 exit(1);
2621 }
2622 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2623 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2624 return 0;
2625 }
2626
2627 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2628 {
2629 const MachineClass *mc1 = a, *mc2 = b;
2630 int res;
2631
2632 if (mc1->family == NULL) {
2633 if (mc2->family == NULL) {
2634 /* Compare standalone machine types against each other; they sort
2635 * in increasing order.
2636 */
2637 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2638 object_class_get_name(OBJECT_CLASS(mc2)));
2639 }
2640
2641 /* Standalone machine types sort after families. */
2642 return 1;
2643 }
2644
2645 if (mc2->family == NULL) {
2646 /* Families sort before standalone machine types. */
2647 return -1;
2648 }
2649
2650 /* Families sort between each other alphabetically increasingly. */
2651 res = strcmp(mc1->family, mc2->family);
2652 if (res != 0) {
2653 return res;
2654 }
2655
2656 /* Within the same family, machine types sort in decreasing order. */
2657 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2658 object_class_get_name(OBJECT_CLASS(mc1)));
2659 }
2660
2661 static MachineClass *machine_parse(const char *name)
2662 {
2663 MachineClass *mc = NULL;
2664 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2665
2666 if (name) {
2667 mc = find_machine(name);
2668 }
2669 if (mc) {
2670 g_slist_free(machines);
2671 return mc;
2672 }
2673 if (name && !is_help_option(name)) {
2674 error_report("unsupported machine type");
2675 error_printf("Use -machine help to list supported machines\n");
2676 } else {
2677 printf("Supported machines are:\n");
2678 machines = g_slist_sort(machines, machine_class_cmp);
2679 for (el = machines; el; el = el->next) {
2680 MachineClass *mc = el->data;
2681 if (mc->alias) {
2682 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2683 }
2684 printf("%-20s %s%s\n", mc->name, mc->desc,
2685 mc->is_default ? " (default)" : "");
2686 }
2687 }
2688
2689 g_slist_free(machines);
2690 exit(!name || !is_help_option(name));
2691 }
2692
2693 void qemu_add_exit_notifier(Notifier *notify)
2694 {
2695 notifier_list_add(&exit_notifiers, notify);
2696 }
2697
2698 void qemu_remove_exit_notifier(Notifier *notify)
2699 {
2700 notifier_remove(notify);
2701 }
2702
2703 static void qemu_run_exit_notifiers(void)
2704 {
2705 notifier_list_notify(&exit_notifiers, NULL);
2706 }
2707
2708 static bool machine_init_done;
2709
2710 void qemu_add_machine_init_done_notifier(Notifier *notify)
2711 {
2712 notifier_list_add(&machine_init_done_notifiers, notify);
2713 if (machine_init_done) {
2714 notify->notify(notify, NULL);
2715 }
2716 }
2717
2718 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2719 {
2720 notifier_remove(notify);
2721 }
2722
2723 static void qemu_run_machine_init_done_notifiers(void)
2724 {
2725 notifier_list_notify(&machine_init_done_notifiers, NULL);
2726 machine_init_done = true;
2727 }
2728
2729 static const QEMUOption *lookup_opt(int argc, char **argv,
2730 const char **poptarg, int *poptind)
2731 {
2732 const QEMUOption *popt;
2733 int optind = *poptind;
2734 char *r = argv[optind];
2735 const char *optarg;
2736
2737 loc_set_cmdline(argv, optind, 1);
2738 optind++;
2739 /* Treat --foo the same as -foo. */
2740 if (r[1] == '-')
2741 r++;
2742 popt = qemu_options;
2743 for(;;) {
2744 if (!popt->name) {
2745 error_report("invalid option");
2746 exit(1);
2747 }
2748 if (!strcmp(popt->name, r + 1))
2749 break;
2750 popt++;
2751 }
2752 if (popt->flags & HAS_ARG) {
2753 if (optind >= argc) {
2754 error_report("requires an argument");
2755 exit(1);
2756 }
2757 optarg = argv[optind++];
2758 loc_set_cmdline(argv, optind - 2, 2);
2759 } else {
2760 optarg = NULL;
2761 }
2762
2763 *poptarg = optarg;
2764 *poptind = optind;
2765
2766 return popt;
2767 }
2768
2769 static MachineClass *select_machine(void)
2770 {
2771 MachineClass *machine_class = find_default_machine();
2772 const char *optarg;
2773 QemuOpts *opts;
2774 Location loc;
2775
2776 loc_push_none(&loc);
2777
2778 opts = qemu_get_machine_opts();
2779 qemu_opts_loc_restore(opts);
2780
2781 optarg = qemu_opt_get(opts, "type");
2782 if (optarg) {
2783 machine_class = machine_parse(optarg);
2784 }
2785
2786 if (!machine_class) {
2787 error_report("No machine specified, and there is no default");
2788 error_printf("Use -machine help to list supported machines\n");
2789 exit(1);
2790 }
2791
2792 loc_pop(&loc);
2793 return machine_class;
2794 }
2795
2796 static int machine_set_property(void *opaque,
2797 const char *name, const char *value,
2798 Error **errp)
2799 {
2800 Object *obj = OBJECT(opaque);
2801 Error *local_err = NULL;
2802 char *c, *qom_name;
2803
2804 if (strcmp(name, "type") == 0) {
2805 return 0;
2806 }
2807
2808 qom_name = g_strdup(name);
2809 c = qom_name;
2810 while (*c++) {
2811 if (*c == '_') {
2812 *c = '-';
2813 }
2814 }
2815
2816 object_property_parse(obj, value, qom_name, &local_err);
2817 g_free(qom_name);
2818
2819 if (local_err) {
2820 error_report_err(local_err);
2821 return -1;
2822 }
2823
2824 return 0;
2825 }
2826
2827
2828 /*
2829 * Initial object creation happens before all other
2830 * QEMU data types are created. The majority of objects
2831 * can be created at this point. The rng-egd object
2832 * cannot be created here, as it depends on the chardev
2833 * already existing.
2834 */
2835 static bool object_create_initial(const char *type)
2836 {
2837 if (g_str_equal(type, "rng-egd")) {
2838 return false;
2839 }
2840
2841 /*
2842 * return false for concrete netfilters since
2843 * they depend on netdevs already existing
2844 */
2845 if (g_str_equal(type, "filter-buffer") ||
2846 g_str_equal(type, "filter-dump") ||
2847 g_str_equal(type, "filter-mirror") ||
2848 g_str_equal(type, "filter-redirector") ||
2849 g_str_equal(type, "colo-compare") ||
2850 g_str_equal(type, "filter-rewriter")) {
2851 return false;
2852 }
2853
2854 /* Memory allocation by backends needs to be done
2855 * after configure_accelerator() (due to the tcg_enabled()
2856 * checks at memory_region_init_*()).
2857 *
2858 * Also, allocation of large amounts of memory may delay
2859 * chardev initialization for too long, and trigger timeouts
2860 * on software that waits for a monitor socket to be created
2861 * (e.g. libvirt).
2862 */
2863 if (g_str_has_prefix(type, "memory-backend-")) {
2864 return false;
2865 }
2866
2867 return true;
2868 }
2869
2870
2871 /*
2872 * The remainder of object creation happens after the
2873 * creation of chardev, fsdev, net clients and device data types.
2874 */
2875 static bool object_create_delayed(const char *type)
2876 {
2877 return !object_create_initial(type);
2878 }
2879
2880
2881 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2882 MachineClass *mc)
2883 {
2884 uint64_t sz;
2885 const char *mem_str;
2886 const char *maxmem_str, *slots_str;
2887 const ram_addr_t default_ram_size = mc->default_ram_size;
2888 QemuOpts *opts = qemu_find_opts_singleton("memory");
2889 Location loc;
2890
2891 loc_push_none(&loc);
2892 qemu_opts_loc_restore(opts);
2893
2894 sz = 0;
2895 mem_str = qemu_opt_get(opts, "size");
2896 if (mem_str) {
2897 if (!*mem_str) {
2898 error_report("missing 'size' option value");
2899 exit(EXIT_FAILURE);
2900 }
2901
2902 sz = qemu_opt_get_size(opts, "size", ram_size);
2903
2904 /* Fix up legacy suffix-less format */
2905 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2906 uint64_t overflow_check = sz;
2907
2908 sz <<= 20;
2909 if ((sz >> 20) != overflow_check) {
2910 error_report("too large 'size' option value");
2911 exit(EXIT_FAILURE);
2912 }
2913 }
2914 }
2915
2916 /* backward compatibility behaviour for case "-m 0" */
2917 if (sz == 0) {
2918 sz = default_ram_size;
2919 }
2920
2921 sz = QEMU_ALIGN_UP(sz, 8192);
2922 ram_size = sz;
2923 if (ram_size != sz) {
2924 error_report("ram size too large");
2925 exit(EXIT_FAILURE);
2926 }
2927
2928 /* store value for the future use */
2929 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2930 *maxram_size = ram_size;
2931
2932 maxmem_str = qemu_opt_get(opts, "maxmem");
2933 slots_str = qemu_opt_get(opts, "slots");
2934 if (maxmem_str && slots_str) {
2935 uint64_t slots;
2936
2937 sz = qemu_opt_get_size(opts, "maxmem", 0);
2938 slots = qemu_opt_get_number(opts, "slots", 0);
2939 if (sz < ram_size) {
2940 error_report("invalid value of -m option maxmem: "
2941 "maximum memory size (0x%" PRIx64 ") must be at least "
2942 "the initial memory size (0x" RAM_ADDR_FMT ")",
2943 sz, ram_size);
2944 exit(EXIT_FAILURE);
2945 } else if (sz > ram_size) {
2946 if (!slots) {
2947 error_report("invalid value of -m option: maxmem was "
2948 "specified, but no hotplug slots were specified");
2949 exit(EXIT_FAILURE);
2950 }
2951 } else if (slots) {
2952 error_report("invalid value of -m option maxmem: "
2953 "memory slots were specified but maximum memory size "
2954 "(0x%" PRIx64 ") is equal to the initial memory size "
2955 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2956 exit(EXIT_FAILURE);
2957 }
2958
2959 *maxram_size = sz;
2960 *ram_slots = slots;
2961 } else if ((!maxmem_str && slots_str) ||
2962 (maxmem_str && !slots_str)) {
2963 error_report("invalid -m option value: missing "
2964 "'%s' option", slots_str ? "maxmem" : "slots");
2965 exit(EXIT_FAILURE);
2966 }
2967
2968 loc_pop(&loc);
2969 }
2970
2971 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2972 {
2973 GlobalProperty *g;
2974
2975 g = g_malloc0(sizeof(*g));
2976 g->driver = qemu_opt_get(opts, "driver");
2977 g->property = qemu_opt_get(opts, "property");
2978 g->value = qemu_opt_get(opts, "value");
2979 g->user_provided = true;
2980 g->errp = &error_fatal;
2981 qdev_prop_register_global(g);
2982 return 0;
2983 }
2984
2985 int main(int argc, char **argv, char **envp)
2986 {
2987 int i;
2988 int snapshot, linux_boot;
2989 const char *initrd_filename;
2990 const char *kernel_filename, *kernel_cmdline;
2991 const char *boot_order = NULL;
2992 const char *boot_once = NULL;
2993 DisplayState *ds;
2994 int cyls, heads, secs, translation;
2995 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2996 QemuOptsList *olist;
2997 int optind;
2998 const char *optarg;
2999 const char *loadvm = NULL;
3000 MachineClass *machine_class;
3001 const char *cpu_model;
3002 const char *vga_model = NULL;
3003 const char *qtest_chrdev = NULL;
3004 const char *qtest_log = NULL;
3005 const char *pid_file = NULL;
3006 const char *incoming = NULL;
3007 bool defconfig = true;
3008 bool userconfig = true;
3009 bool nographic = false;
3010 DisplayType display_type = DT_DEFAULT;
3011 int display_remote = 0;
3012 const char *log_mask = NULL;
3013 const char *log_file = NULL;
3014 char *trace_file = NULL;
3015 ram_addr_t maxram_size;
3016 uint64_t ram_slots = 0;
3017 FILE *vmstate_dump_file = NULL;
3018 Error *main_loop_err = NULL;
3019 Error *err = NULL;
3020 bool list_data_dirs = false;
3021
3022 qemu_init_cpu_loop();
3023 qemu_mutex_lock_iothread();
3024
3025 atexit(qemu_run_exit_notifiers);
3026 error_set_progname(argv[0]);
3027 qemu_init_exec_dir(argv[0]);
3028
3029 module_call_init(MODULE_INIT_QOM);
3030 module_call_init(MODULE_INIT_QAPI);
3031
3032 qemu_add_opts(&qemu_drive_opts);
3033 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3034 qemu_add_drive_opts(&qemu_common_drive_opts);
3035 qemu_add_drive_opts(&qemu_drive_opts);
3036 qemu_add_opts(&qemu_chardev_opts);
3037 qemu_add_opts(&qemu_device_opts);
3038 qemu_add_opts(&qemu_netdev_opts);
3039 qemu_add_opts(&qemu_net_opts);
3040 qemu_add_opts(&qemu_rtc_opts);
3041 qemu_add_opts(&qemu_global_opts);
3042 qemu_add_opts(&qemu_mon_opts);
3043 qemu_add_opts(&qemu_trace_opts);
3044 qemu_add_opts(&qemu_option_rom_opts);
3045 qemu_add_opts(&qemu_machine_opts);
3046 qemu_add_opts(&qemu_mem_opts);
3047 qemu_add_opts(&qemu_smp_opts);
3048 qemu_add_opts(&qemu_boot_opts);
3049 qemu_add_opts(&qemu_sandbox_opts);
3050 qemu_add_opts(&qemu_add_fd_opts);
3051 qemu_add_opts(&qemu_object_opts);
3052 qemu_add_opts(&qemu_tpmdev_opts);
3053 qemu_add_opts(&qemu_realtime_opts);
3054 qemu_add_opts(&qemu_msg_opts);
3055 qemu_add_opts(&qemu_name_opts);
3056 qemu_add_opts(&qemu_numa_opts);
3057 qemu_add_opts(&qemu_icount_opts);
3058 qemu_add_opts(&qemu_semihosting_config_opts);
3059 qemu_add_opts(&qemu_fw_cfg_opts);
3060 #ifdef CONFIG_LIBISCSI
3061 qemu_add_opts(&qemu_iscsi_opts);
3062 #endif
3063 module_call_init(MODULE_INIT_OPTS);
3064
3065 runstate_init();
3066
3067 if (qcrypto_init(&err) < 0) {
3068 error_reportf_err(err, "cannot initialize crypto: ");
3069 exit(1);
3070 }
3071 rtc_clock = QEMU_CLOCK_HOST;
3072
3073 QLIST_INIT (&vm_change_state_head);
3074 os_setup_early_signal_handling();
3075
3076 cpu_model = NULL;
3077 snapshot = 0;
3078 cyls = heads = secs = 0;
3079 translation = BIOS_ATA_TRANSLATION_AUTO;
3080
3081 nb_nics = 0;
3082
3083 bdrv_init_with_whitelist();
3084
3085 autostart = 1;
3086
3087 /* first pass of option parsing */
3088 optind = 1;
3089 while (optind < argc) {
3090 if (argv[optind][0] != '-') {
3091 /* disk image */
3092 optind++;
3093 } else {
3094 const QEMUOption *popt;
3095
3096 popt = lookup_opt(argc, argv, &optarg, &optind);
3097 switch (popt->index) {
3098 case QEMU_OPTION_nodefconfig:
3099 defconfig = false;
3100 break;
3101 case QEMU_OPTION_nouserconfig:
3102 userconfig = false;
3103 break;
3104 }
3105 }
3106 }
3107
3108 if (defconfig) {
3109 int ret;
3110 ret = qemu_read_default_config_files(userconfig);
3111 if (ret < 0) {
3112 exit(1);
3113 }
3114 }
3115
3116 /* second pass of option parsing */
3117 optind = 1;
3118 for(;;) {
3119 if (optind >= argc)
3120 break;
3121 if (argv[optind][0] != '-') {
3122 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3123 } else {
3124 const QEMUOption *popt;
3125
3126 popt = lookup_opt(argc, argv, &optarg, &optind);
3127 if (!(popt->arch_mask & arch_type)) {
3128 error_report("Option not supported for this target");
3129 exit(1);
3130 }
3131 switch(popt->index) {
3132 case QEMU_OPTION_no_kvm_irqchip: {
3133 olist = qemu_find_opts("machine");
3134 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3135 break;
3136 }
3137 case QEMU_OPTION_cpu:
3138 /* hw initialization will check this */
3139 cpu_model = optarg;
3140 break;
3141 case QEMU_OPTION_hda:
3142 {
3143 char buf[256];
3144 if (cyls == 0)
3145 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3146 else
3147 snprintf(buf, sizeof(buf),
3148 "%s,cyls=%d,heads=%d,secs=%d%s",
3149 HD_OPTS , cyls, heads, secs,
3150 translation == BIOS_ATA_TRANSLATION_LBA ?
3151 ",trans=lba" :
3152 translation == BIOS_ATA_TRANSLATION_NONE ?
3153 ",trans=none" : "");
3154 drive_add(IF_DEFAULT, 0, optarg, buf);
3155 break;
3156 }
3157 case QEMU_OPTION_hdb:
3158 case QEMU_OPTION_hdc:
3159 case QEMU_OPTION_hdd:
3160 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3161 HD_OPTS);
3162 break;
3163 case QEMU_OPTION_drive:
3164 if (drive_def(optarg) == NULL) {
3165 exit(1);
3166 }
3167 break;
3168 case QEMU_OPTION_set:
3169 if (qemu_set_option(optarg) != 0)
3170 exit(1);
3171 break;
3172 case QEMU_OPTION_global:
3173 if (qemu_global_option(optarg) != 0)
3174 exit(1);
3175 break;
3176 case QEMU_OPTION_mtdblock:
3177 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3178 break;
3179 case QEMU_OPTION_sd:
3180 drive_add(IF_SD, -1, optarg, SD_OPTS);
3181 break;
3182 case QEMU_OPTION_pflash:
3183 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3184 break;
3185 case QEMU_OPTION_snapshot:
3186 snapshot = 1;
3187 break;
3188 case QEMU_OPTION_hdachs:
3189 {
3190 const char *p;
3191 p = optarg;
3192 cyls = strtol(p, (char **)&p, 0);
3193 if (cyls < 1 || cyls > 16383)
3194 goto chs_fail;
3195 if (*p != ',')
3196 goto chs_fail;
3197 p++;
3198 heads = strtol(p, (char **)&p, 0);
3199 if (heads < 1 || heads > 16)
3200 goto chs_fail;
3201 if (*p != ',')
3202 goto chs_fail;
3203 p++;
3204 secs = strtol(p, (char **)&p, 0);
3205 if (secs < 1 || secs > 63)
3206 goto chs_fail;
3207 if (*p == ',') {
3208 p++;
3209 if (!strcmp(p, "large")) {
3210 translation = BIOS_ATA_TRANSLATION_LARGE;
3211 } else if (!strcmp(p, "rechs")) {
3212 translation = BIOS_ATA_TRANSLATION_RECHS;
3213 } else if (!strcmp(p, "none")) {
3214 translation = BIOS_ATA_TRANSLATION_NONE;
3215 } else if (!strcmp(p, "lba")) {
3216 translation = BIOS_ATA_TRANSLATION_LBA;
3217 } else if (!strcmp(p, "auto")) {
3218 translation = BIOS_ATA_TRANSLATION_AUTO;
3219 } else {
3220 goto chs_fail;
3221 }
3222 } else if (*p != '\0') {
3223 chs_fail:
3224 error_report("invalid physical CHS format");
3225 exit(1);
3226 }
3227 if (hda_opts != NULL) {
3228 qemu_opt_set_number(hda_opts, "cyls", cyls,
3229 &error_abort);
3230 qemu_opt_set_number(hda_opts, "heads", heads,
3231 &error_abort);
3232 qemu_opt_set_number(hda_opts, "secs", secs,
3233 &error_abort);
3234 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3235 qemu_opt_set(hda_opts, "trans", "large",
3236 &error_abort);
3237 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3238 qemu_opt_set(hda_opts, "trans", "rechs",
3239 &error_abort);
3240 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3241 qemu_opt_set(hda_opts, "trans", "lba",
3242 &error_abort);
3243 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3244 qemu_opt_set(hda_opts, "trans", "none",
3245 &error_abort);
3246 }
3247 }
3248 }
3249 break;
3250 case QEMU_OPTION_numa:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3252 optarg, true);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 break;
3257 case QEMU_OPTION_display:
3258 display_type = select_display(optarg);
3259 break;
3260 case QEMU_OPTION_nographic:
3261 olist = qemu_find_opts("machine");
3262 qemu_opts_parse_noisily(olist, "graphics=off", false);
3263 nographic = true;
3264 display_type = DT_NONE;
3265 break;
3266 case QEMU_OPTION_curses:
3267 #ifdef CONFIG_CURSES
3268 display_type = DT_CURSES;
3269 #else
3270 error_report("curses support is disabled");
3271 exit(1);
3272 #endif
3273 break;
3274 case QEMU_OPTION_portrait:
3275 graphic_rotate = 90;
3276 break;
3277 case QEMU_OPTION_rotate:
3278 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3279 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3280 graphic_rotate != 180 && graphic_rotate != 270) {
3281 error_report("only 90, 180, 270 deg rotation is available");
3282 exit(1);
3283 }
3284 break;
3285 case QEMU_OPTION_kernel:
3286 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3287 &error_abort);
3288 break;
3289 case QEMU_OPTION_initrd:
3290 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3291 &error_abort);
3292 break;
3293 case QEMU_OPTION_append:
3294 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3295 &error_abort);
3296 break;
3297 case QEMU_OPTION_dtb:
3298 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3299 &error_abort);
3300 break;
3301 case QEMU_OPTION_cdrom:
3302 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3303 break;
3304 case QEMU_OPTION_boot:
3305 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3306 optarg, true);
3307 if (!opts) {
3308 exit(1);
3309 }
3310 break;
3311 case QEMU_OPTION_fda:
3312 case QEMU_OPTION_fdb:
3313 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3314 optarg, FD_OPTS);
3315 break;
3316 case QEMU_OPTION_no_fd_bootchk:
3317 fd_bootchk = 0;
3318 break;
3319 case QEMU_OPTION_netdev:
3320 default_net = 0;
3321 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3322 exit(1);
3323 }
3324 break;
3325 case QEMU_OPTION_net:
3326 default_net = 0;
3327 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3328 exit(1);
3329 }
3330 break;
3331 #ifdef CONFIG_LIBISCSI
3332 case QEMU_OPTION_iscsi:
3333 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3334 optarg, false);
3335 if (!opts) {
3336 exit(1);
3337 }
3338 break;
3339 #endif
3340 #ifdef CONFIG_SLIRP
3341 case QEMU_OPTION_tftp:
3342 error_report("The -tftp option is deprecated. "
3343 "Please use '-netdev user,tftp=...' instead.");
3344 legacy_tftp_prefix = optarg;
3345 break;
3346 case QEMU_OPTION_bootp:
3347 error_report("The -bootp option is deprecated. "
3348 "Please use '-netdev user,bootfile=...' instead.");
3349 legacy_bootp_filename = optarg;
3350 break;
3351 case QEMU_OPTION_redir:
3352 error_report("The -redir option is deprecated. "
3353 "Please use '-netdev user,hostfwd=...' instead.");
3354 if (net_slirp_redir(optarg) < 0)
3355 exit(1);
3356 break;
3357 #endif
3358 case QEMU_OPTION_bt:
3359 add_device_config(DEV_BT, optarg);
3360 break;
3361 case QEMU_OPTION_audio_help:
3362 AUD_help ();
3363 exit (0);
3364 break;
3365 case QEMU_OPTION_soundhw:
3366 select_soundhw (optarg);
3367 break;
3368 case QEMU_OPTION_h:
3369 help(0);
3370 break;
3371 case QEMU_OPTION_version:
3372 version();
3373 exit(0);
3374 break;
3375 case QEMU_OPTION_m:
3376 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3377 optarg, true);
3378 if (!opts) {
3379 exit(EXIT_FAILURE);
3380 }
3381 break;
3382 #ifdef CONFIG_TPM
3383 case QEMU_OPTION_tpmdev:
3384 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3385 exit(1);
3386 }
3387 break;
3388 #endif
3389 case QEMU_OPTION_mempath:
3390 mem_path = optarg;
3391 break;
3392 case QEMU_OPTION_mem_prealloc:
3393 mem_prealloc = 1;
3394 break;
3395 case QEMU_OPTION_d:
3396 log_mask = optarg;
3397 break;
3398 case QEMU_OPTION_D:
3399 log_file = optarg;
3400 break;
3401 case QEMU_OPTION_DFILTER:
3402 qemu_set_dfilter_ranges(optarg, &error_fatal);
3403 break;
3404 case QEMU_OPTION_s:
3405 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3406 break;
3407 case QEMU_OPTION_gdb:
3408 add_device_config(DEV_GDB, optarg);
3409 break;
3410 case QEMU_OPTION_L:
3411 if (is_help_option(optarg)) {
3412 list_data_dirs = true;
3413 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3414 data_dir[data_dir_idx++] = optarg;
3415 }
3416 break;
3417 case QEMU_OPTION_bios:
3418 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3419 &error_abort);
3420 break;
3421 case QEMU_OPTION_singlestep:
3422 singlestep = 1;
3423 break;
3424 case QEMU_OPTION_S:
3425 autostart = 0;
3426 break;
3427 case QEMU_OPTION_k:
3428 keyboard_layout = optarg;
3429 break;
3430 case QEMU_OPTION_localtime:
3431 rtc_utc = 0;
3432 break;
3433 case QEMU_OPTION_vga:
3434 vga_model = optarg;
3435 default_vga = 0;
3436 break;
3437 case QEMU_OPTION_g:
3438 {
3439 const char *p;
3440 int w, h, depth;
3441 p = optarg;
3442 w = strtol(p, (char **)&p, 10);
3443 if (w <= 0) {
3444 graphic_error:
3445 error_report("invalid resolution or depth");
3446 exit(1);
3447 }
3448 if (*p != 'x')
3449 goto graphic_error;
3450 p++;
3451 h = strtol(p, (char **)&p, 10);
3452 if (h <= 0)
3453 goto graphic_error;
3454 if (*p == 'x') {
3455 p++;
3456 depth = strtol(p, (char **)&p, 10);
3457 if (depth != 8 && depth != 15 && depth != 16 &&
3458 depth != 24 && depth != 32)
3459 goto graphic_error;
3460 } else if (*p == '\0') {
3461 depth = graphic_depth;
3462 } else {
3463 goto graphic_error;
3464 }
3465
3466 graphic_width = w;
3467 graphic_height = h;
3468 graphic_depth = depth;
3469 }
3470 break;
3471 case QEMU_OPTION_echr:
3472 {
3473 char *r;
3474 term_escape_char = strtol(optarg, &r, 0);
3475 if (r == optarg)
3476 printf("Bad argument to echr\n");
3477 break;
3478 }
3479 case QEMU_OPTION_monitor:
3480 default_monitor = 0;
3481 if (strncmp(optarg, "none", 4)) {
3482 monitor_parse(optarg, "readline", false);
3483 }
3484 break;
3485 case QEMU_OPTION_qmp:
3486 monitor_parse(optarg, "control", false);
3487 default_monitor = 0;
3488 break;
3489 case QEMU_OPTION_qmp_pretty:
3490 monitor_parse(optarg, "control", true);
3491 default_monitor = 0;
3492 break;
3493 case QEMU_OPTION_mon:
3494 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3495 true);
3496 if (!opts) {
3497 exit(1);
3498 }
3499 default_monitor = 0;
3500 break;
3501 case QEMU_OPTION_chardev:
3502 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3503 optarg, true);
3504 if (!opts) {
3505 exit(1);
3506 }
3507 break;
3508 case QEMU_OPTION_fsdev:
3509 olist = qemu_find_opts("fsdev");
3510 if (!olist) {
3511 error_report("fsdev support is disabled");
3512 exit(1);
3513 }
3514 opts = qemu_opts_parse_noisily(olist, optarg, true);
3515 if (!opts) {
3516 exit(1);
3517 }
3518 break;
3519 case QEMU_OPTION_virtfs: {
3520 QemuOpts *fsdev;
3521 QemuOpts *device;
3522 const char *writeout, *sock_fd, *socket;
3523
3524 olist = qemu_find_opts("virtfs");
3525 if (!olist) {
3526 error_report("virtfs support is disabled");
3527 exit(1);
3528 }
3529 opts = qemu_opts_parse_noisily(olist, optarg, true);
3530 if (!opts) {
3531 exit(1);
3532 }
3533
3534 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3535 qemu_opt_get(opts, "mount_tag") == NULL) {
3536 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3537 exit(1);
3538 }
3539 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3540 qemu_opt_get(opts, "mount_tag"),
3541 1, NULL);
3542 if (!fsdev) {
3543 error_report("duplicate fsdev id: %s",
3544 qemu_opt_get(opts, "mount_tag"));
3545 exit(1);
3546 }
3547
3548 writeout = qemu_opt_get(opts, "writeout");
3549 if (writeout) {
3550 #ifdef CONFIG_SYNC_FILE_RANGE
3551 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3552 #else
3553 error_report("writeout=immediate not supported "
3554 "on this platform");
3555 exit(1);
3556 #endif
3557 }
3558 qemu_opt_set(fsdev, "fsdriver",
3559 qemu_opt_get(opts, "fsdriver"), &error_abort);
3560 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3561 &error_abort);
3562 qemu_opt_set(fsdev, "security_model",
3563 qemu_opt_get(opts, "security_model"),
3564 &error_abort);
3565 socket = qemu_opt_get(opts, "socket");
3566 if (socket) {
3567 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3568 }
3569 sock_fd = qemu_opt_get(opts, "sock_fd");
3570 if (sock_fd) {
3571 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3572 }
3573
3574 qemu_opt_set_bool(fsdev, "readonly",
3575 qemu_opt_get_bool(opts, "readonly", 0),
3576 &error_abort);
3577 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3578 &error_abort);
3579 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3580 qemu_opt_set(device, "fsdev",
3581 qemu_opt_get(opts, "mount_tag"), &error_abort);
3582 qemu_opt_set(device, "mount_tag",
3583 qemu_opt_get(opts, "mount_tag"), &error_abort);
3584 break;
3585 }
3586 case QEMU_OPTION_virtfs_synth: {
3587 QemuOpts *fsdev;
3588 QemuOpts *device;
3589
3590 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3591 1, NULL);
3592 if (!fsdev) {
3593 error_report("duplicate option: %s", "virtfs_synth");
3594 exit(1);
3595 }
3596 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3597
3598 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3599 &error_abort);
3600 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3601 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3602 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3603 break;
3604 }
3605 case QEMU_OPTION_serial:
3606 add_device_config(DEV_SERIAL, optarg);
3607 default_serial = 0;
3608 if (strncmp(optarg, "mon:", 4) == 0) {
3609 default_monitor = 0;
3610 }
3611 break;
3612 case QEMU_OPTION_watchdog:
3613 if (watchdog) {
3614 error_report("only one watchdog option may be given");
3615 return 1;
3616 }
3617 watchdog = optarg;
3618 break;
3619 case QEMU_OPTION_watchdog_action:
3620 if (select_watchdog_action(optarg) == -1) {
3621 error_report("unknown -watchdog-action parameter");
3622 exit(1);
3623 }
3624 break;
3625 case QEMU_OPTION_virtiocon:
3626 add_device_config(DEV_VIRTCON, optarg);
3627 default_virtcon = 0;
3628 if (strncmp(optarg, "mon:", 4) == 0) {
3629 default_monitor = 0;
3630 }
3631 break;
3632 case QEMU_OPTION_parallel:
3633 add_device_config(DEV_PARALLEL, optarg);
3634 default_parallel = 0;
3635 if (strncmp(optarg, "mon:", 4) == 0) {
3636 default_monitor = 0;
3637 }
3638 break;
3639 case QEMU_OPTION_debugcon:
3640 add_device_config(DEV_DEBUGCON, optarg);
3641 break;
3642 case QEMU_OPTION_loadvm:
3643 loadvm = optarg;
3644 break;
3645 case QEMU_OPTION_full_screen:
3646 full_screen = 1;
3647 break;
3648 case QEMU_OPTION_no_frame:
3649 no_frame = 1;
3650 break;
3651 case QEMU_OPTION_alt_grab:
3652 alt_grab = 1;
3653 break;
3654 case QEMU_OPTION_ctrl_grab:
3655 ctrl_grab = 1;
3656 break;
3657 case QEMU_OPTION_no_quit:
3658 no_quit = 1;
3659 break;
3660 case QEMU_OPTION_sdl:
3661 #ifdef CONFIG_SDL
3662 display_type = DT_SDL;
3663 break;
3664 #else
3665 error_report("SDL support is disabled");
3666 exit(1);
3667 #endif
3668 case QEMU_OPTION_pidfile:
3669 pid_file = optarg;
3670 break;
3671 case QEMU_OPTION_win2k_hack:
3672 win2k_install_hack = 1;
3673 break;
3674 case QEMU_OPTION_rtc_td_hack: {
3675 static GlobalProperty slew_lost_ticks = {
3676 .driver = "mc146818rtc",
3677 .property = "lost_tick_policy",
3678 .value = "slew",
3679 };
3680
3681 qdev_prop_register_global(&slew_lost_ticks);
3682 break;
3683 }
3684 case QEMU_OPTION_acpitable:
3685 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3686 optarg, true);
3687 if (!opts) {
3688 exit(1);
3689 }
3690 do_acpitable_option(opts);
3691 break;
3692 case QEMU_OPTION_smbios:
3693 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3694 optarg, false);
3695 if (!opts) {
3696 exit(1);
3697 }
3698 do_smbios_option(opts);
3699 break;
3700 case QEMU_OPTION_fwcfg:
3701 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3702 optarg, true);
3703 if (opts == NULL) {
3704 exit(1);
3705 }
3706 break;
3707 case QEMU_OPTION_enable_kvm:
3708 olist = qemu_find_opts("machine");
3709 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3710 break;
3711 case QEMU_OPTION_M:
3712 case QEMU_OPTION_machine:
3713 olist = qemu_find_opts("machine");
3714 opts = qemu_opts_parse_noisily(olist, optarg, true);
3715 if (!opts) {
3716 exit(1);
3717 }
3718 break;
3719 case QEMU_OPTION_no_kvm:
3720 olist = qemu_find_opts("machine");
3721 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3722 break;
3723 case QEMU_OPTION_no_kvm_pit: {
3724 error_report("warning: ignoring deprecated option");
3725 break;
3726 }
3727 case QEMU_OPTION_no_kvm_pit_reinjection: {
3728 static GlobalProperty kvm_pit_lost_tick_policy = {
3729 .driver = "kvm-pit",
3730 .property = "lost_tick_policy",
3731 .value = "discard",
3732 };
3733
3734 error_report("warning: deprecated, replaced by "
3735 "-global kvm-pit.lost_tick_policy=discard");
3736 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3737 break;
3738 }
3739 case QEMU_OPTION_usb:
3740 olist = qemu_find_opts("machine");
3741 qemu_opts_parse_noisily(olist, "usb=on", false);
3742 break;
3743 case QEMU_OPTION_usbdevice:
3744 olist = qemu_find_opts("machine");
3745 qemu_opts_parse_noisily(olist, "usb=on", false);
3746 add_device_config(DEV_USB, optarg);
3747 break;
3748 case QEMU_OPTION_device:
3749 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3750 optarg, true)) {
3751 exit(1);
3752 }
3753 break;
3754 case QEMU_OPTION_smp:
3755 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3756 optarg, true)) {
3757 exit(1);
3758 }
3759 break;
3760 case QEMU_OPTION_vnc:
3761 vnc_parse(optarg, &error_fatal);
3762 break;
3763 case QEMU_OPTION_no_acpi:
3764 acpi_enabled = 0;
3765 break;
3766 case QEMU_OPTION_no_hpet:
3767 no_hpet = 1;
3768 break;
3769 case QEMU_OPTION_balloon:
3770 if (balloon_parse(optarg) < 0) {
3771 error_report("unknown -balloon argument %s", optarg);
3772 exit(1);
3773 }
3774 break;
3775 case QEMU_OPTION_no_reboot:
3776 no_reboot = 1;
3777 break;
3778 case QEMU_OPTION_no_shutdown:
3779 no_shutdown = 1;
3780 break;
3781 case QEMU_OPTION_show_cursor:
3782 cursor_hide = 0;
3783 break;
3784 case QEMU_OPTION_uuid:
3785 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3786 error_report("failed to parse UUID string: wrong format");
3787 exit(1);
3788 }
3789 qemu_uuid_set = true;
3790 break;
3791 case QEMU_OPTION_option_rom:
3792 if (nb_option_roms >= MAX_OPTION_ROMS) {
3793 error_report("too many option ROMs");
3794 exit(1);
3795 }
3796 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3797 optarg, true);
3798 if (!opts) {
3799 exit(1);
3800 }
3801 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3802 option_rom[nb_option_roms].bootindex =
3803 qemu_opt_get_number(opts, "bootindex", -1);
3804 if (!option_rom[nb_option_roms].name) {
3805 error_report("Option ROM file is not specified");
3806 exit(1);
3807 }
3808 nb_option_roms++;
3809 break;
3810 case QEMU_OPTION_semihosting:
3811 semihosting.enabled = true;
3812 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3813 break;
3814 case QEMU_OPTION_semihosting_config:
3815 semihosting.enabled = true;
3816 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3817 optarg, false);
3818 if (opts != NULL) {
3819 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3820 true);
3821 const char *target = qemu_opt_get(opts, "target");
3822 if (target != NULL) {
3823 if (strcmp("native", target) == 0) {
3824 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3825 } else if (strcmp("gdb", target) == 0) {
3826 semihosting.target = SEMIHOSTING_TARGET_GDB;
3827 } else if (strcmp("auto", target) == 0) {
3828 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3829 } else {
3830 error_report("unsupported semihosting-config %s",
3831 optarg);
3832 exit(1);
3833 }
3834 } else {
3835 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3836 }
3837 /* Set semihosting argument count and vector */
3838 qemu_opt_foreach(opts, add_semihosting_arg,
3839 &semihosting, NULL);
3840 } else {
3841 error_report("unsupported semihosting-config %s", optarg);
3842 exit(1);
3843 }
3844 break;
3845 case QEMU_OPTION_tdf:
3846 error_report("warning: ignoring deprecated option");
3847 break;
3848 case QEMU_OPTION_name:
3849 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3850 optarg, true);
3851 if (!opts) {
3852 exit(1);
3853 }
3854 break;
3855 case QEMU_OPTION_prom_env:
3856 if (nb_prom_envs >= MAX_PROM_ENVS) {
3857 error_report("too many prom variables");
3858 exit(1);
3859 }
3860 prom_envs[nb_prom_envs] = optarg;
3861 nb_prom_envs++;
3862 break;
3863 case QEMU_OPTION_old_param:
3864 old_param = 1;
3865 break;
3866 case QEMU_OPTION_clock:
3867 /* Clock options no longer exist. Keep this option for
3868 * backward compatibility.
3869 */
3870 break;
3871 case QEMU_OPTION_startdate:
3872 configure_rtc_date_offset(optarg, 1);
3873 break;
3874 case QEMU_OPTION_rtc:
3875 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3876 false);
3877 if (!opts) {
3878 exit(1);
3879 }
3880 configure_rtc(opts);
3881 break;
3882 case QEMU_OPTION_tb_size:
3883 tcg_tb_size = strtol(optarg, NULL, 0);
3884 if (tcg_tb_size < 0) {
3885 tcg_tb_size = 0;
3886 }
3887 break;
3888 case QEMU_OPTION_icount:
3889 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3890 optarg, true);
3891 if (!icount_opts) {
3892 exit(1);
3893 }
3894 break;
3895 case QEMU_OPTION_incoming:
3896 if (!incoming) {
3897 runstate_set(RUN_STATE_INMIGRATE);
3898 }
3899 incoming = optarg;
3900 break;
3901 case QEMU_OPTION_nodefaults:
3902 has_defaults = 0;
3903 break;
3904 case QEMU_OPTION_xen_domid:
3905 if (!(xen_available())) {
3906 error_report("Option not supported for this target");
3907 exit(1);
3908 }
3909 xen_domid = atoi(optarg);
3910 break;
3911 case QEMU_OPTION_xen_create:
3912 if (!(xen_available())) {
3913 error_report("Option not supported for this target");
3914 exit(1);
3915 }
3916 xen_mode = XEN_CREATE;
3917 break;
3918 case QEMU_OPTION_xen_attach:
3919 if (!(xen_available())) {
3920 error_report("Option not supported for this target");
3921 exit(1);
3922 }
3923 xen_mode = XEN_ATTACH;
3924 break;
3925 case QEMU_OPTION_trace:
3926 g_free(trace_file);
3927 trace_file = trace_opt_parse(optarg);
3928 break;
3929 case QEMU_OPTION_readconfig:
3930 {
3931 int ret = qemu_read_config_file(optarg);
3932 if (ret < 0) {
3933 error_report("read config %s: %s", optarg,
3934 strerror(-ret));
3935 exit(1);
3936 }
3937 break;
3938 }
3939 case QEMU_OPTION_spice:
3940 olist = qemu_find_opts("spice");
3941 if (!olist) {
3942 error_report("spice support is disabled");
3943 exit(1);
3944 }
3945 opts = qemu_opts_parse_noisily(olist, optarg, false);
3946 if (!opts) {
3947 exit(1);
3948 }
3949 display_remote++;
3950 break;
3951 case QEMU_OPTION_writeconfig:
3952 {
3953 FILE *fp;
3954 if (strcmp(optarg, "-") == 0) {
3955 fp = stdout;
3956 } else {
3957 fp = fopen(optarg, "w");
3958 if (fp == NULL) {
3959 error_report("open %s: %s", optarg,
3960 strerror(errno));
3961 exit(1);
3962 }
3963 }
3964 qemu_config_write(fp);
3965 if (fp != stdout) {
3966 fclose(fp);
3967 }
3968 break;
3969 }
3970 case QEMU_OPTION_qtest:
3971 qtest_chrdev = optarg;
3972 break;
3973 case QEMU_OPTION_qtest_log:
3974 qtest_log = optarg;
3975 break;
3976 case QEMU_OPTION_sandbox:
3977 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3978 optarg, true);
3979 if (!opts) {
3980 exit(1);
3981 }
3982 break;
3983 case QEMU_OPTION_add_fd:
3984 #ifndef _WIN32
3985 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3986 optarg, false);
3987 if (!opts) {
3988 exit(1);
3989 }
3990 #else
3991 error_report("File descriptor passing is disabled on this "
3992 "platform");
3993 exit(1);
3994 #endif
3995 break;
3996 case QEMU_OPTION_object:
3997 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3998 optarg, true);
3999 if (!opts) {
4000 exit(1);
4001 }
4002 break;
4003 case QEMU_OPTION_realtime:
4004 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4005 optarg, false);
4006 if (!opts) {
4007 exit(1);
4008 }
4009 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4010 break;
4011 case QEMU_OPTION_msg:
4012 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4013 false);
4014 if (!opts) {
4015 exit(1);
4016 }
4017 configure_msg(opts);
4018 break;
4019 case QEMU_OPTION_dump_vmstate:
4020 if (vmstate_dump_file) {
4021 error_report("only one '-dump-vmstate' "
4022 "option may be given");
4023 exit(1);
4024 }
4025 vmstate_dump_file = fopen(optarg, "w");
4026 if (vmstate_dump_file == NULL) {
4027 error_report("open %s: %s", optarg, strerror(errno));
4028 exit(1);
4029 }
4030 break;
4031 default:
4032 os_parse_cmd_args(popt->index, optarg);
4033 }
4034 }
4035 }
4036 /*
4037 * Clear error location left behind by the loop.
4038 * Best done right after the loop. Do not insert code here!
4039 */
4040 loc_set_none();
4041
4042 replay_configure(icount_opts);
4043
4044 machine_class = select_machine();
4045
4046 set_memory_options(&ram_slots, &maxram_size, machine_class);
4047
4048 os_daemonize();
4049
4050 if (qemu_init_main_loop(&main_loop_err)) {
4051 error_report_err(main_loop_err);
4052 exit(1);
4053 }
4054
4055 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4056 parse_sandbox, NULL, NULL)) {
4057 exit(1);
4058 }
4059
4060 if (qemu_opts_foreach(qemu_find_opts("name"),
4061 parse_name, NULL, NULL)) {
4062 exit(1);
4063 }
4064
4065 #ifndef _WIN32
4066 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4067 parse_add_fd, NULL, NULL)) {
4068 exit(1);
4069 }
4070
4071 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4072 cleanup_add_fd, NULL, NULL)) {
4073 exit(1);
4074 }
4075 #endif
4076
4077 current_machine = MACHINE(object_new(object_class_get_name(
4078 OBJECT_CLASS(machine_class))));
4079 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4080 exit(0);
4081 }
4082 object_property_add_child(object_get_root(), "machine",
4083 OBJECT(current_machine), &error_abort);
4084 cpu_exec_init_all();
4085
4086 if (machine_class->hw_version) {
4087 qemu_set_hw_version(machine_class->hw_version);
4088 }
4089
4090 if (cpu_model && is_help_option(cpu_model)) {
4091 list_cpus(stdout, &fprintf, cpu_model);
4092 exit(0);
4093 }
4094
4095 if (!trace_init_backends()) {
4096 exit(1);
4097 }
4098 trace_init_file(trace_file);
4099
4100 /* Open the logfile at this point and set the log mask if necessary.
4101 */
4102 if (log_file) {
4103 qemu_set_log_filename(log_file, &error_fatal);
4104 }
4105
4106 if (log_mask) {
4107 int mask;
4108 mask = qemu_str_to_log_mask(log_mask);
4109 if (!mask) {
4110 qemu_print_log_usage(stdout);
4111 exit(1);
4112 }
4113 qemu_set_log(mask);
4114 } else {
4115 qemu_set_log(0);
4116 }
4117
4118 /* If no data_dir is specified then try to find it relative to the
4119 executable path. */
4120 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4121 data_dir[data_dir_idx] = os_find_datadir();
4122 if (data_dir[data_dir_idx] != NULL) {
4123 data_dir_idx++;
4124 }
4125 }
4126 /* If all else fails use the install path specified when building. */
4127 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4128 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4129 }
4130
4131 /* -L help lists the data directories and exits. */
4132 if (list_data_dirs) {
4133 for (i = 0; i < data_dir_idx; i++) {
4134 printf("%s\n", data_dir[i]);
4135 }
4136 exit(0);
4137 }
4138
4139 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4140
4141 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4142 if (max_cpus > machine_class->max_cpus) {
4143 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4144 "supported by machine '%s' (%d)", max_cpus,
4145 machine_class->name, machine_class->max_cpus);
4146 exit(1);
4147 }
4148
4149 /*
4150 * Get the default machine options from the machine if it is not already
4151 * specified either by the configuration file or by the command line.
4152 */
4153 if (machine_class->default_machine_opts) {
4154 qemu_opts_set_defaults(qemu_find_opts("machine"),
4155 machine_class->default_machine_opts, 0);
4156 }
4157
4158 qemu_opts_foreach(qemu_find_opts("device"),
4159 default_driver_check, NULL, NULL);
4160 qemu_opts_foreach(qemu_find_opts("global"),
4161 default_driver_check, NULL, NULL);
4162
4163 if (!vga_model && !default_vga) {
4164 vga_interface_type = VGA_DEVICE;
4165 }
4166 if (!has_defaults || machine_class->no_serial) {
4167 default_serial = 0;
4168 }
4169 if (!has_defaults || machine_class->no_parallel) {
4170 default_parallel = 0;
4171 }
4172 if (!has_defaults || !machine_class->use_virtcon) {
4173 default_virtcon = 0;
4174 }
4175 if (!has_defaults || !machine_class->use_sclp) {
4176 default_sclp = 0;
4177 }
4178 if (!has_defaults || machine_class->no_floppy) {
4179 default_floppy = 0;
4180 }
4181 if (!has_defaults || machine_class->no_cdrom) {
4182 default_cdrom = 0;
4183 }
4184 if (!has_defaults || machine_class->no_sdcard) {
4185 default_sdcard = 0;
4186 }
4187 if (!has_defaults) {
4188 default_monitor = 0;
4189 default_net = 0;
4190 default_vga = 0;
4191 }
4192
4193 if (is_daemonized()) {
4194 /* According to documentation and historically, -nographic redirects
4195 * serial port, parallel port and monitor to stdio, which does not work
4196 * with -daemonize. We can redirect these to null instead, but since
4197 * -nographic is legacy, let's just error out.
4198 * We disallow -nographic only if all other ports are not redirected
4199 * explicitly, to not break existing legacy setups which uses
4200 * -nographic _and_ redirects all ports explicitly - this is valid
4201 * usage, -nographic is just a no-op in this case.
4202 */
4203 if (nographic
4204 && (default_parallel || default_serial
4205 || default_monitor || default_virtcon)) {
4206 error_report("-nographic cannot be used with -daemonize");
4207 exit(1);
4208 }
4209 #ifdef CONFIG_CURSES
4210 if (display_type == DT_CURSES) {
4211 error_report("curses display cannot be used with -daemonize");
4212 exit(1);
4213 }
4214 #endif
4215 }
4216
4217 if (nographic) {
4218 if (default_parallel)
4219 add_device_config(DEV_PARALLEL, "null");
4220 if (default_serial && default_monitor) {
4221 add_device_config(DEV_SERIAL, "mon:stdio");
4222 } else if (default_virtcon && default_monitor) {
4223 add_device_config(DEV_VIRTCON, "mon:stdio");
4224 } else if (default_sclp && default_monitor) {
4225 add_device_config(DEV_SCLP, "mon:stdio");
4226 } else {
4227 if (default_serial)
4228 add_device_config(DEV_SERIAL, "stdio");
4229 if (default_virtcon)
4230 add_device_config(DEV_VIRTCON, "stdio");
4231 if (default_sclp) {
4232 add_device_config(DEV_SCLP, "stdio");
4233 }
4234 if (default_monitor)
4235 monitor_parse("stdio", "readline", false);
4236 }
4237 } else {
4238 if (default_serial)
4239 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4240 if (default_parallel)
4241 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4242 if (default_monitor)
4243 monitor_parse("vc:80Cx24C", "readline", false);
4244 if (default_virtcon)
4245 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4246 if (default_sclp) {
4247 add_device_config(DEV_SCLP, "vc:80Cx24C");
4248 }
4249 }
4250
4251 #if defined(CONFIG_VNC)
4252 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4253 display_remote++;
4254 }
4255 #endif
4256 if (display_type == DT_DEFAULT && !display_remote) {
4257 #if defined(CONFIG_GTK)
4258 display_type = DT_GTK;
4259 #elif defined(CONFIG_SDL)
4260 display_type = DT_SDL;
4261 #elif defined(CONFIG_COCOA)
4262 display_type = DT_COCOA;
4263 #elif defined(CONFIG_VNC)
4264 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4265 #else
4266 display_type = DT_NONE;
4267 #endif
4268 }
4269
4270 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4271 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4272 "for SDL, ignoring option");
4273 }
4274 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4275 error_report("-no-quit is only valid for GTK and SDL, "
4276 "ignoring option");
4277 }
4278
4279 if (display_type == DT_GTK) {
4280 early_gtk_display_init(request_opengl);
4281 }
4282
4283 if (display_type == DT_SDL) {
4284 sdl_display_early_init(request_opengl);
4285 }
4286
4287 if (request_opengl == 1 && display_opengl == 0) {
4288 #if defined(CONFIG_OPENGL)
4289 error_report("OpenGL is not supported by the display");
4290 #else
4291 error_report("OpenGL support is disabled");
4292 #endif
4293 exit(1);
4294 }
4295
4296 page_size_init();
4297 socket_init();
4298
4299 if (qemu_opts_foreach(qemu_find_opts("object"),
4300 user_creatable_add_opts_foreach,
4301 object_create_initial, NULL)) {
4302 exit(1);
4303 }
4304
4305 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4306 chardev_init_func, NULL, NULL)) {
4307 exit(1);
4308 }
4309
4310 #ifdef CONFIG_VIRTFS
4311 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4312 fsdev_init_func, NULL, NULL)) {
4313 exit(1);
4314 }
4315 #endif
4316
4317 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4318 error_report("could not acquire pid file: %s", strerror(errno));
4319 exit(1);
4320 }
4321
4322 if (qemu_opts_foreach(qemu_find_opts("device"),
4323 device_help_func, NULL, NULL)) {
4324 exit(0);
4325 }
4326
4327 machine_opts = qemu_get_machine_opts();
4328 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4329 NULL)) {
4330 object_unref(OBJECT(current_machine));
4331 exit(1);
4332 }
4333
4334 configure_accelerator(current_machine);
4335
4336 if (qtest_chrdev) {
4337 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4338 }
4339
4340 machine_opts = qemu_get_machine_opts();
4341 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4342 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4343 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4344 bios_name = qemu_opt_get(machine_opts, "firmware");
4345
4346 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4347 if (opts) {
4348 boot_order = qemu_opt_get(opts, "order");
4349 if (boot_order) {
4350 validate_bootdevices(boot_order, &error_fatal);
4351 }
4352
4353 boot_once = qemu_opt_get(opts, "once");
4354 if (boot_once) {
4355 validate_bootdevices(boot_once, &error_fatal);
4356 }
4357
4358 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4359 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4360 }
4361
4362 if (!boot_order) {
4363 boot_order = machine_class->default_boot_order;
4364 }
4365
4366 if (!kernel_cmdline) {
4367 kernel_cmdline = "";
4368 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4369 }
4370
4371 linux_boot = (kernel_filename != NULL);
4372
4373 if (!linux_boot && *kernel_cmdline != '\0') {
4374 error_report("-append only allowed with -kernel option");
4375 exit(1);
4376 }
4377
4378 if (!linux_boot && initrd_filename != NULL) {
4379 error_report("-initrd only allowed with -kernel option");
4380 exit(1);
4381 }
4382
4383 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4384 error_report("-dtb only allowed with -kernel option");
4385 exit(1);
4386 }
4387
4388 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4389 /* fall back to the -kernel/-append */
4390 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4391 }
4392
4393 os_set_line_buffering();
4394
4395 /* spice needs the timers to be initialized by this point */
4396 qemu_spice_init();
4397
4398 cpu_ticks_init();
4399 if (icount_opts) {
4400 if (kvm_enabled() || xen_enabled()) {
4401 error_report("-icount is not allowed with kvm or xen");
4402 exit(1);
4403 }
4404 configure_icount(icount_opts, &error_abort);
4405 qemu_opts_del(icount_opts);
4406 }
4407
4408 if (default_net) {
4409 QemuOptsList *net = qemu_find_opts("net");
4410 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4411 #ifdef CONFIG_SLIRP
4412 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4413 #endif
4414 }
4415
4416 if (net_init_clients() < 0) {
4417 exit(1);
4418 }
4419
4420 if (qemu_opts_foreach(qemu_find_opts("object"),
4421 user_creatable_add_opts_foreach,
4422 object_create_delayed, NULL)) {
4423 exit(1);
4424 }
4425
4426 #ifdef CONFIG_TPM
4427 if (tpm_init() < 0) {
4428 exit(1);
4429 }
4430 #endif
4431
4432 /* init the bluetooth world */
4433 if (foreach_device_config(DEV_BT, bt_parse))
4434 exit(1);
4435
4436 if (!xen_enabled()) {
4437 /* On 32-bit hosts, QEMU is limited by virtual address space */
4438 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4439 error_report("at most 2047 MB RAM can be simulated");
4440 exit(1);
4441 }
4442 }
4443
4444 blk_mig_init();
4445 ram_mig_init();
4446
4447 /* If the currently selected machine wishes to override the units-per-bus
4448 * property of its default HBA interface type, do so now. */
4449 if (machine_class->units_per_default_bus) {
4450 override_max_devs(machine_class->block_default_type,
4451 machine_class->units_per_default_bus);
4452 }
4453
4454 /* open the virtual block devices */
4455 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4456 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4457 NULL, NULL);
4458 }
4459 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4460 &machine_class->block_default_type, NULL)) {
4461 exit(1);
4462 }
4463
4464 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4465 CDROM_OPTS);
4466 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4467 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4468
4469 parse_numa_opts(machine_class);
4470
4471 if (qemu_opts_foreach(qemu_find_opts("mon"),
4472 mon_init_func, NULL, NULL)) {
4473 exit(1);
4474 }
4475
4476 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4477 exit(1);
4478 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4479 exit(1);
4480 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4481 exit(1);
4482 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4483 exit(1);
4484 }
4485 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4486 exit(1);
4487
4488 /* If no default VGA is requested, the default is "none". */
4489 if (default_vga) {
4490 if (machine_class->default_display) {
4491 vga_model = machine_class->default_display;
4492 } else if (vga_interface_available(VGA_CIRRUS)) {
4493 vga_model = "cirrus";
4494 } else if (vga_interface_available(VGA_STD)) {
4495 vga_model = "std";
4496 }
4497 }
4498 if (vga_model) {
4499 select_vgahw(vga_model);
4500 }
4501
4502 if (watchdog) {
4503 i = select_watchdog(watchdog);
4504 if (i > 0)
4505 exit (i == 1 ? 1 : 0);
4506 }
4507
4508 machine_register_compat_props(current_machine);
4509
4510 qemu_opts_foreach(qemu_find_opts("global"),
4511 global_init_func, NULL, NULL);
4512
4513 /* This checkpoint is required by replay to separate prior clock
4514 reading from the other reads, because timer polling functions query
4515 clock values from the log. */
4516 replay_checkpoint(CHECKPOINT_INIT);
4517 qdev_machine_init();
4518
4519 current_machine->ram_size = ram_size;
4520 current_machine->maxram_size = maxram_size;
4521 current_machine->ram_slots = ram_slots;
4522 current_machine->boot_order = boot_order;
4523 current_machine->cpu_model = cpu_model;
4524
4525 machine_class->init(current_machine);
4526
4527 realtime_init();
4528
4529 audio_init();
4530
4531 cpu_synchronize_all_post_init();
4532
4533 numa_post_machine_init();
4534
4535 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4536 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4537 exit(1);
4538 }
4539
4540 /* init USB devices */
4541 if (machine_usb(current_machine)) {
4542 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4543 exit(1);
4544 }
4545
4546 /* Check if IGD GFX passthrough. */
4547 igd_gfx_passthru();
4548
4549 /* init generic devices */
4550 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4551 if (qemu_opts_foreach(qemu_find_opts("device"),
4552 device_init_func, NULL, NULL)) {
4553 exit(1);
4554 }
4555 rom_reset_order_override();
4556
4557 /* Did we create any drives that we failed to create a device for? */
4558 drive_check_orphaned();
4559
4560 /* Don't warn about the default network setup that you get if
4561 * no command line -net or -netdev options are specified. There
4562 * are two cases that we would otherwise complain about:
4563 * (1) board doesn't support a NIC but the implicit "-net nic"
4564 * requested one
4565 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4566 * sets up a nic that isn't connected to anything.
4567 */
4568 if (!default_net) {
4569 net_check_clients();
4570 }
4571
4572
4573 if (boot_once) {
4574 qemu_boot_set(boot_once, &error_fatal);
4575 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4576 }
4577
4578 ds = init_displaystate();
4579
4580 /* init local displays */
4581 switch (display_type) {
4582 case DT_CURSES:
4583 curses_display_init(ds, full_screen);
4584 break;
4585 case DT_SDL:
4586 sdl_display_init(ds, full_screen, no_frame);
4587 break;
4588 case DT_COCOA:
4589 cocoa_display_init(ds, full_screen);
4590 break;
4591 case DT_GTK:
4592 gtk_display_init(ds, full_screen, grab_on_hover);
4593 break;
4594 default:
4595 break;
4596 }
4597
4598 /* must be after terminal init, SDL library changes signal handlers */
4599 os_setup_signal_handling();
4600
4601 /* init remote displays */
4602 #ifdef CONFIG_VNC
4603 qemu_opts_foreach(qemu_find_opts("vnc"),
4604 vnc_init_func, NULL, NULL);
4605 #endif
4606
4607 if (using_spice) {
4608 qemu_spice_display_init();
4609 }
4610
4611 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4612 exit(1);
4613 }
4614
4615 qdev_machine_creation_done();
4616
4617 /* TODO: once all bus devices are qdevified, this should be done
4618 * when bus is created by qdev.c */
4619 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4620 qemu_run_machine_init_done_notifiers();
4621
4622 if (rom_check_and_register_reset() != 0) {
4623 error_report("rom check and register reset failed");
4624 exit(1);
4625 }
4626
4627 replay_start();
4628
4629 /* This checkpoint is required by replay to separate prior clock
4630 reading from the other reads, because timer polling functions query
4631 clock values from the log. */
4632 replay_checkpoint(CHECKPOINT_RESET);
4633 qemu_system_reset(VMRESET_SILENT);
4634 register_global_state();
4635 if (loadvm) {
4636 if (load_vmstate(loadvm) < 0) {
4637 autostart = 0;
4638 }
4639 }
4640
4641 qdev_prop_check_globals();
4642 if (vmstate_dump_file) {
4643 /* dump and exit */
4644 dump_vmstate_json_to_file(vmstate_dump_file);
4645 return 0;
4646 }
4647
4648 if (incoming) {
4649 Error *local_err = NULL;
4650 qemu_start_incoming_migration(incoming, &local_err);
4651 if (local_err) {
4652 error_reportf_err(local_err, "-incoming %s: ", incoming);
4653 exit(1);
4654 }
4655 } else if (autostart) {
4656 vm_start();
4657 }
4658
4659 os_setup_post();
4660
4661 trace_init_vcpu_events();
4662 main_loop();
4663 replay_disable_events();
4664 iothread_stop_all();
4665
4666 bdrv_close_all();
4667 pause_all_vcpus();
4668 res_free();
4669
4670 /* vhost-user must be cleaned up before chardevs. */
4671 net_cleanup();
4672 audio_cleanup();
4673 monitor_cleanup();
4674 qemu_chr_cleanup();
4675
4676 return 0;
4677 }
QEmu