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target/arm/arm-powerctl: Fix psci info return values
[qemu/ar7.git] / vl.c
blob1a95500ac76e8154a76121f19f2fdc6181d3eb81
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
29
30 #ifdef CONFIG_SECCOMP
31 #include "sysemu/seccomp.h"
32 #endif
33
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
36 #endif
37
38 #ifdef CONFIG_SDL
39 #if defined(__APPLE__) || defined(main)
40 #include <SDL.h>
41 int qemu_main(int argc, char **argv, char **envp);
42 int main(int argc, char **argv)
43 {
44 return qemu_main(argc, argv, NULL);
45 }
46 #undef main
47 #define main qemu_main
48 #endif
49 #endif /* CONFIG_SDL */
50
51 #ifdef CONFIG_COCOA
52 #undef main
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
55
56
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
59 #include "hw/hw.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
62 #include "hw/usb.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
65 #include "hw/scsi/scsi.h"
66 #include "hw/bt.h"
67 #include "sysemu/watchdog.h"
68 #include "hw/smbios/smbios.h"
69 #include "hw/acpi/acpi.h"
70 #include "hw/xen/xen.h"
71 #include "hw/qdev.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
75 #include "net/net.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
79 #include "ui/input.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "sysemu/char.h"
85 #include "qemu/bitmap.h"
86 #include "qemu/log.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/cpus.h"
95 #include "migration/colo.h"
96 #include "sysemu/kvm.h"
97 #include "sysemu/hax.h"
98 #include "qapi/qobject-input-visitor.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qapi-visit.h"
101 #include "qapi/qmp/qjson.h"
102 #include "qemu/option.h"
103 #include "qemu/config-file.h"
104 #include "qemu-options.h"
105 #include "qmp-commands.h"
106 #include "qemu/main-loop.h"
107 #ifdef CONFIG_VIRTFS
108 #include "fsdev/qemu-fsdev.h"
109 #endif
110 #include "sysemu/qtest.h"
111
112 #include "disas/disas.h"
113
114
115 #include "slirp/libslirp.h"
116
117 #include "trace-root.h"
118 #include "trace/control.h"
119 #include "qemu/queue.h"
120 #include "sysemu/arch_init.h"
121
122 #include "ui/qemu-spice.h"
123 #include "qapi/string-input-visitor.h"
124 #include "qapi/opts-visitor.h"
125 #include "qom/object_interfaces.h"
126 #include "qapi-event.h"
127 #include "exec/semihost.h"
128 #include "crypto/init.h"
129 #include "sysemu/replay.h"
130 #include "qapi/qmp/qerror.h"
131 #include "sysemu/iothread.h"
132
133 #define MAX_VIRTIO_CONSOLES 1
134 #define MAX_SCLP_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int request_opengl = -1;
141 int display_opengl;
142 const char* keyboard_layout = NULL;
143 ram_addr_t ram_size;
144 const char *mem_path = NULL;
145 int mem_prealloc = 0; /* force preallocation of physical target memory */
146 bool enable_mlock = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static int rtc_utc = 1;
151 static int rtc_date_offset = -1; /* -1 means no change */
152 QEMUClockType rtc_clock;
153 int vga_interface_type = VGA_NONE;
154 static int full_screen = 0;
155 static int no_frame = 0;
156 int no_quit = 0;
157 static bool grab_on_hover;
158 Chardev *serial_hds[MAX_SERIAL_PORTS];
159 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
160 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
161 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
162 int win2k_install_hack = 0;
163 int singlestep = 0;
164 int smp_cpus = 1;
165 int max_cpus = 1;
166 int smp_cores = 1;
167 int smp_threads = 1;
168 int acpi_enabled = 1;
169 int no_hpet = 0;
170 int fd_bootchk = 1;
171 static int no_reboot;
172 int no_shutdown = 0;
173 int cursor_hide = 1;
174 int graphic_rotate = 0;
175 const char *watchdog;
176 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
177 int nb_option_roms;
178 int old_param = 0;
179 const char *qemu_name;
180 int alt_grab = 0;
181 int ctrl_grab = 0;
182 unsigned int nb_prom_envs = 0;
183 const char *prom_envs[MAX_PROM_ENVS];
184 int boot_menu;
185 bool boot_strict;
186 uint8_t *boot_splash_filedata;
187 size_t boot_splash_filedata_size;
188 uint8_t qemu_extra_params_fw[2];
189 int only_migratable; /* turn it off unless user states otherwise */
190
191 int icount_align_option;
192
193 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
195 */
196 QemuUUID qemu_uuid;
197 bool qemu_uuid_set;
198
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
201
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
204
205 bool xen_allowed;
206 uint32_t xen_domid;
207 enum xen_mode xen_mode = XEN_EMULATE;
208
209 static int has_defaults = 1;
210 static int default_serial = 1;
211 static int default_parallel = 1;
212 static int default_virtcon = 1;
213 static int default_sclp = 1;
214 static int default_monitor = 1;
215 static int default_floppy = 1;
216 static int default_cdrom = 1;
217 static int default_sdcard = 1;
218 static int default_vga = 1;
219 static int default_net = 1;
220
221 static struct {
222 const char *driver;
223 int *flag;
224 } default_list[] = {
225 { .driver = "isa-serial", .flag = &default_serial },
226 { .driver = "isa-parallel", .flag = &default_parallel },
227 { .driver = "isa-fdc", .flag = &default_floppy },
228 { .driver = "floppy", .flag = &default_floppy },
229 { .driver = "ide-cd", .flag = &default_cdrom },
230 { .driver = "ide-hd", .flag = &default_cdrom },
231 { .driver = "ide-drive", .flag = &default_cdrom },
232 { .driver = "scsi-cd", .flag = &default_cdrom },
233 { .driver = "scsi-hd", .flag = &default_cdrom },
234 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
235 { .driver = "virtio-serial", .flag = &default_virtcon },
236 { .driver = "VGA", .flag = &default_vga },
237 { .driver = "isa-vga", .flag = &default_vga },
238 { .driver = "cirrus-vga", .flag = &default_vga },
239 { .driver = "isa-cirrus-vga", .flag = &default_vga },
240 { .driver = "vmware-svga", .flag = &default_vga },
241 { .driver = "qxl-vga", .flag = &default_vga },
242 { .driver = "virtio-vga", .flag = &default_vga },
243 };
244
245 static QemuOptsList qemu_rtc_opts = {
246 .name = "rtc",
247 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
248 .desc = {
249 {
250 .name = "base",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "clock",
254 .type = QEMU_OPT_STRING,
255 },{
256 .name = "driftfix",
257 .type = QEMU_OPT_STRING,
258 },
259 { /* end of list */ }
260 },
261 };
262
263 static QemuOptsList qemu_sandbox_opts = {
264 .name = "sandbox",
265 .implied_opt_name = "enable",
266 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
267 .desc = {
268 {
269 .name = "enable",
270 .type = QEMU_OPT_BOOL,
271 },
272 { /* end of list */ }
273 },
274 };
275
276 static QemuOptsList qemu_option_rom_opts = {
277 .name = "option-rom",
278 .implied_opt_name = "romfile",
279 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
280 .desc = {
281 {
282 .name = "bootindex",
283 .type = QEMU_OPT_NUMBER,
284 }, {
285 .name = "romfile",
286 .type = QEMU_OPT_STRING,
287 },
288 { /* end of list */ }
289 },
290 };
291
292 static QemuOptsList qemu_machine_opts = {
293 .name = "machine",
294 .implied_opt_name = "type",
295 .merge_lists = true,
296 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
297 .desc = {
298 /*
299 * no elements => accept any
300 * sanity checking will happen later
301 * when setting machine properties
302 */
303 { }
304 },
305 };
306
307 static QemuOptsList qemu_accel_opts = {
308 .name = "accel",
309 .implied_opt_name = "accel",
310 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
311 .merge_lists = true,
312 .desc = {
313 {
314 .name = "accel",
315 .type = QEMU_OPT_STRING,
316 .help = "Select the type of accelerator",
317 },
318 {
319 .name = "thread",
320 .type = QEMU_OPT_STRING,
321 .help = "Enable/disable multi-threaded TCG",
322 },
323 { /* end of list */ }
324 },
325 };
326
327 static QemuOptsList qemu_boot_opts = {
328 .name = "boot-opts",
329 .implied_opt_name = "order",
330 .merge_lists = true,
331 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
332 .desc = {
333 {
334 .name = "order",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "once",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "menu",
341 .type = QEMU_OPT_BOOL,
342 }, {
343 .name = "splash",
344 .type = QEMU_OPT_STRING,
345 }, {
346 .name = "splash-time",
347 .type = QEMU_OPT_STRING,
348 }, {
349 .name = "reboot-timeout",
350 .type = QEMU_OPT_STRING,
351 }, {
352 .name = "strict",
353 .type = QEMU_OPT_BOOL,
354 },
355 { /*End of list */ }
356 },
357 };
358
359 static QemuOptsList qemu_add_fd_opts = {
360 .name = "add-fd",
361 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
362 .desc = {
363 {
364 .name = "fd",
365 .type = QEMU_OPT_NUMBER,
366 .help = "file descriptor of which a duplicate is added to fd set",
367 },{
368 .name = "set",
369 .type = QEMU_OPT_NUMBER,
370 .help = "ID of the fd set to add fd to",
371 },{
372 .name = "opaque",
373 .type = QEMU_OPT_STRING,
374 .help = "free-form string used to describe fd",
375 },
376 { /* end of list */ }
377 },
378 };
379
380 static QemuOptsList qemu_object_opts = {
381 .name = "object",
382 .implied_opt_name = "qom-type",
383 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
384 .desc = {
385 { }
386 },
387 };
388
389 static QemuOptsList qemu_tpmdev_opts = {
390 .name = "tpmdev",
391 .implied_opt_name = "type",
392 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
393 .desc = {
394 /* options are defined in the TPM backends */
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_realtime_opts = {
400 .name = "realtime",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
402 .desc = {
403 {
404 .name = "mlock",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_msg_opts = {
412 .name = "msg",
413 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
414 .desc = {
415 {
416 .name = "timestamp",
417 .type = QEMU_OPT_BOOL,
418 },
419 { /* end of list */ }
420 },
421 };
422
423 static QemuOptsList qemu_name_opts = {
424 .name = "name",
425 .implied_opt_name = "guest",
426 .merge_lists = true,
427 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
428 .desc = {
429 {
430 .name = "guest",
431 .type = QEMU_OPT_STRING,
432 .help = "Sets the name of the guest.\n"
433 "This name will be displayed in the SDL window caption.\n"
434 "The name will also be used for the VNC server",
435 }, {
436 .name = "process",
437 .type = QEMU_OPT_STRING,
438 .help = "Sets the name of the QEMU process, as shown in top etc",
439 }, {
440 .name = "debug-threads",
441 .type = QEMU_OPT_BOOL,
442 .help = "When enabled, name the individual threads; defaults off.\n"
443 "NOTE: The thread names are for debugging and not a\n"
444 "stable API.",
445 },
446 { /* End of list */ }
447 },
448 };
449
450 static QemuOptsList qemu_mem_opts = {
451 .name = "memory",
452 .implied_opt_name = "size",
453 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
454 .merge_lists = true,
455 .desc = {
456 {
457 .name = "size",
458 .type = QEMU_OPT_SIZE,
459 },
460 {
461 .name = "slots",
462 .type = QEMU_OPT_NUMBER,
463 },
464 {
465 .name = "maxmem",
466 .type = QEMU_OPT_SIZE,
467 },
468 { /* end of list */ }
469 },
470 };
471
472 static QemuOptsList qemu_icount_opts = {
473 .name = "icount",
474 .implied_opt_name = "shift",
475 .merge_lists = true,
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
477 .desc = {
478 {
479 .name = "shift",
480 .type = QEMU_OPT_STRING,
481 }, {
482 .name = "align",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "sleep",
486 .type = QEMU_OPT_BOOL,
487 }, {
488 .name = "rr",
489 .type = QEMU_OPT_STRING,
490 }, {
491 .name = "rrfile",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "rrsnapshot",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_semihosting_config_opts = {
502 .name = "semihosting-config",
503 .implied_opt_name = "enable",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
505 .desc = {
506 {
507 .name = "enable",
508 .type = QEMU_OPT_BOOL,
509 }, {
510 .name = "target",
511 .type = QEMU_OPT_STRING,
512 }, {
513 .name = "arg",
514 .type = QEMU_OPT_STRING,
515 },
516 { /* end of list */ }
517 },
518 };
519
520 static QemuOptsList qemu_fw_cfg_opts = {
521 .name = "fw_cfg",
522 .implied_opt_name = "name",
523 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
524 .desc = {
525 {
526 .name = "name",
527 .type = QEMU_OPT_STRING,
528 .help = "Sets the fw_cfg name of the blob to be inserted",
529 }, {
530 .name = "file",
531 .type = QEMU_OPT_STRING,
532 .help = "Sets the name of the file from which\n"
533 "the fw_cfg blob will be loaded",
534 }, {
535 .name = "string",
536 .type = QEMU_OPT_STRING,
537 .help = "Sets content of the blob to be inserted from a string",
538 },
539 { /* end of list */ }
540 },
541 };
542
543 /**
544 * Get machine options
545 *
546 * Returns: machine options (never null).
547 */
548 QemuOpts *qemu_get_machine_opts(void)
549 {
550 return qemu_find_opts_singleton("machine");
551 }
552
553 const char *qemu_get_vm_name(void)
554 {
555 return qemu_name;
556 }
557
558 static void res_free(void)
559 {
560 g_free(boot_splash_filedata);
561 boot_splash_filedata = NULL;
562 }
563
564 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
565 {
566 const char *driver = qemu_opt_get(opts, "driver");
567 int i;
568
569 if (!driver)
570 return 0;
571 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
572 if (strcmp(default_list[i].driver, driver) != 0)
573 continue;
574 *(default_list[i].flag) = 0;
575 }
576 return 0;
577 }
578
579 /***********************************************************/
580 /* QEMU state */
581
582 static RunState current_run_state = RUN_STATE_PRELAUNCH;
583
584 /* We use RUN_STATE__MAX but any invalid value will do */
585 static RunState vmstop_requested = RUN_STATE__MAX;
586 static QemuMutex vmstop_lock;
587
588 typedef struct {
589 RunState from;
590 RunState to;
591 } RunStateTransition;
592
593 static const RunStateTransition runstate_transitions_def[] = {
594 /* from -> to */
595 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
596 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
597 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
598
599 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
600 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
601 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
602 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
603 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
604 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
605 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
606 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
607 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
608 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
609 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
610 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
611
612 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
613 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
615
616 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
617 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
618 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
619
620 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
621 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
622 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
623 { RUN_STATE_PAUSED, RUN_STATE_COLO},
624
625 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
626 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
628
629 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
630 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
632
633 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
634 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
635 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
636 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
637
638 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
639 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
640
641 { RUN_STATE_COLO, RUN_STATE_RUNNING },
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 { RUN_STATE_RUNNING, RUN_STATE_COLO},
654
655 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
656
657 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
658 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
659 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
660
661 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
662 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
663 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
664 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
666 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
667
668 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
669 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
670 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
671 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
672
673 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
674 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
675 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
676
677 { RUN_STATE__MAX, RUN_STATE__MAX },
678 };
679
680 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
681
682 bool runstate_check(RunState state)
683 {
684 return current_run_state == state;
685 }
686
687 bool runstate_store(char *str, size_t size)
688 {
689 const char *state = RunState_lookup[current_run_state];
690 size_t len = strlen(state) + 1;
691
692 if (len > size) {
693 return false;
694 }
695 memcpy(str, state, len);
696 return true;
697 }
698
699 static void runstate_init(void)
700 {
701 const RunStateTransition *p;
702
703 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
704 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
705 runstate_valid_transitions[p->from][p->to] = true;
706 }
707
708 qemu_mutex_init(&vmstop_lock);
709 }
710
711 /* This function will abort() on invalid state transitions */
712 void runstate_set(RunState new_state)
713 {
714 assert(new_state < RUN_STATE__MAX);
715
716 if (current_run_state == new_state) {
717 return;
718 }
719
720 if (!runstate_valid_transitions[current_run_state][new_state]) {
721 error_report("invalid runstate transition: '%s' -> '%s'",
722 RunState_lookup[current_run_state],
723 RunState_lookup[new_state]);
724 abort();
725 }
726 trace_runstate_set(new_state);
727 current_run_state = new_state;
728 }
729
730 int runstate_is_running(void)
731 {
732 return runstate_check(RUN_STATE_RUNNING);
733 }
734
735 bool runstate_needs_reset(void)
736 {
737 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
738 runstate_check(RUN_STATE_SHUTDOWN);
739 }
740
741 StatusInfo *qmp_query_status(Error **errp)
742 {
743 StatusInfo *info = g_malloc0(sizeof(*info));
744
745 info->running = runstate_is_running();
746 info->singlestep = singlestep;
747 info->status = current_run_state;
748
749 return info;
750 }
751
752 bool qemu_vmstop_requested(RunState *r)
753 {
754 qemu_mutex_lock(&vmstop_lock);
755 *r = vmstop_requested;
756 vmstop_requested = RUN_STATE__MAX;
757 qemu_mutex_unlock(&vmstop_lock);
758 return *r < RUN_STATE__MAX;
759 }
760
761 void qemu_system_vmstop_request_prepare(void)
762 {
763 qemu_mutex_lock(&vmstop_lock);
764 }
765
766 void qemu_system_vmstop_request(RunState state)
767 {
768 vmstop_requested = state;
769 qemu_mutex_unlock(&vmstop_lock);
770 qemu_notify_event();
771 }
772
773 /***********************************************************/
774 /* real time host monotonic timer */
775
776 static time_t qemu_time(void)
777 {
778 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
779 }
780
781 /***********************************************************/
782 /* host time/date access */
783 void qemu_get_timedate(struct tm *tm, int offset)
784 {
785 time_t ti = qemu_time();
786
787 ti += offset;
788 if (rtc_date_offset == -1) {
789 if (rtc_utc)
790 gmtime_r(&ti, tm);
791 else
792 localtime_r(&ti, tm);
793 } else {
794 ti -= rtc_date_offset;
795 gmtime_r(&ti, tm);
796 }
797 }
798
799 int qemu_timedate_diff(struct tm *tm)
800 {
801 time_t seconds;
802
803 if (rtc_date_offset == -1)
804 if (rtc_utc)
805 seconds = mktimegm(tm);
806 else {
807 struct tm tmp = *tm;
808 tmp.tm_isdst = -1; /* use timezone to figure it out */
809 seconds = mktime(&tmp);
810 }
811 else
812 seconds = mktimegm(tm) + rtc_date_offset;
813
814 return seconds - qemu_time();
815 }
816
817 static void configure_rtc_date_offset(const char *startdate, int legacy)
818 {
819 time_t rtc_start_date;
820 struct tm tm;
821
822 if (!strcmp(startdate, "now") && legacy) {
823 rtc_date_offset = -1;
824 } else {
825 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
826 &tm.tm_year,
827 &tm.tm_mon,
828 &tm.tm_mday,
829 &tm.tm_hour,
830 &tm.tm_min,
831 &tm.tm_sec) == 6) {
832 /* OK */
833 } else if (sscanf(startdate, "%d-%d-%d",
834 &tm.tm_year,
835 &tm.tm_mon,
836 &tm.tm_mday) == 3) {
837 tm.tm_hour = 0;
838 tm.tm_min = 0;
839 tm.tm_sec = 0;
840 } else {
841 goto date_fail;
842 }
843 tm.tm_year -= 1900;
844 tm.tm_mon--;
845 rtc_start_date = mktimegm(&tm);
846 if (rtc_start_date == -1) {
847 date_fail:
848 error_report("invalid date format");
849 error_printf("valid formats: "
850 "'2006-06-17T16:01:21' or '2006-06-17'\n");
851 exit(1);
852 }
853 rtc_date_offset = qemu_time() - rtc_start_date;
854 }
855 }
856
857 static void configure_rtc(QemuOpts *opts)
858 {
859 const char *value;
860
861 value = qemu_opt_get(opts, "base");
862 if (value) {
863 if (!strcmp(value, "utc")) {
864 rtc_utc = 1;
865 } else if (!strcmp(value, "localtime")) {
866 Error *blocker = NULL;
867 rtc_utc = 0;
868 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
869 "-rtc base=localtime");
870 replay_add_blocker(blocker);
871 } else {
872 configure_rtc_date_offset(value, 0);
873 }
874 }
875 value = qemu_opt_get(opts, "clock");
876 if (value) {
877 if (!strcmp(value, "host")) {
878 rtc_clock = QEMU_CLOCK_HOST;
879 } else if (!strcmp(value, "rt")) {
880 rtc_clock = QEMU_CLOCK_REALTIME;
881 } else if (!strcmp(value, "vm")) {
882 rtc_clock = QEMU_CLOCK_VIRTUAL;
883 } else {
884 error_report("invalid option value '%s'", value);
885 exit(1);
886 }
887 }
888 value = qemu_opt_get(opts, "driftfix");
889 if (value) {
890 if (!strcmp(value, "slew")) {
891 static GlobalProperty slew_lost_ticks = {
892 .driver = "mc146818rtc",
893 .property = "lost_tick_policy",
894 .value = "slew",
895 };
896
897 qdev_prop_register_global(&slew_lost_ticks);
898 } else if (!strcmp(value, "none")) {
899 /* discard is default */
900 } else {
901 error_report("invalid option value '%s'", value);
902 exit(1);
903 }
904 }
905 }
906
907 /***********************************************************/
908 /* Bluetooth support */
909 static int nb_hcis;
910 static int cur_hci;
911 static struct HCIInfo *hci_table[MAX_NICS];
912
913 struct HCIInfo *qemu_next_hci(void)
914 {
915 if (cur_hci == nb_hcis)
916 return &null_hci;
917
918 return hci_table[cur_hci++];
919 }
920
921 static int bt_hci_parse(const char *str)
922 {
923 struct HCIInfo *hci;
924 bdaddr_t bdaddr;
925
926 if (nb_hcis >= MAX_NICS) {
927 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
928 return -1;
929 }
930
931 hci = hci_init(str);
932 if (!hci)
933 return -1;
934
935 bdaddr.b[0] = 0x52;
936 bdaddr.b[1] = 0x54;
937 bdaddr.b[2] = 0x00;
938 bdaddr.b[3] = 0x12;
939 bdaddr.b[4] = 0x34;
940 bdaddr.b[5] = 0x56 + nb_hcis;
941 hci->bdaddr_set(hci, bdaddr.b);
942
943 hci_table[nb_hcis++] = hci;
944
945 return 0;
946 }
947
948 static void bt_vhci_add(int vlan_id)
949 {
950 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
951
952 if (!vlan->slave)
953 error_report("warning: adding a VHCI to an empty scatternet %i",
954 vlan_id);
955
956 bt_vhci_init(bt_new_hci(vlan));
957 }
958
959 static struct bt_device_s *bt_device_add(const char *opt)
960 {
961 struct bt_scatternet_s *vlan;
962 int vlan_id = 0;
963 char *endp = strstr(opt, ",vlan=");
964 int len = (endp ? endp - opt : strlen(opt)) + 1;
965 char devname[10];
966
967 pstrcpy(devname, MIN(sizeof(devname), len), opt);
968
969 if (endp) {
970 vlan_id = strtol(endp + 6, &endp, 0);
971 if (*endp) {
972 error_report("unrecognised bluetooth vlan Id");
973 return 0;
974 }
975 }
976
977 vlan = qemu_find_bt_vlan(vlan_id);
978
979 if (!vlan->slave)
980 error_report("warning: adding a slave device to an empty scatternet %i",
981 vlan_id);
982
983 if (!strcmp(devname, "keyboard"))
984 return bt_keyboard_init(vlan);
985
986 error_report("unsupported bluetooth device '%s'", devname);
987 return 0;
988 }
989
990 static int bt_parse(const char *opt)
991 {
992 const char *endp, *p;
993 int vlan;
994
995 if (strstart(opt, "hci", &endp)) {
996 if (!*endp || *endp == ',') {
997 if (*endp)
998 if (!strstart(endp, ",vlan=", 0))
999 opt = endp + 1;
1000
1001 return bt_hci_parse(opt);
1002 }
1003 } else if (strstart(opt, "vhci", &endp)) {
1004 if (!*endp || *endp == ',') {
1005 if (*endp) {
1006 if (strstart(endp, ",vlan=", &p)) {
1007 vlan = strtol(p, (char **) &endp, 0);
1008 if (*endp) {
1009 error_report("bad scatternet '%s'", p);
1010 return 1;
1011 }
1012 } else {
1013 error_report("bad parameter '%s'", endp + 1);
1014 return 1;
1015 }
1016 } else
1017 vlan = 0;
1018
1019 bt_vhci_add(vlan);
1020 return 0;
1021 }
1022 } else if (strstart(opt, "device:", &endp))
1023 return !bt_device_add(endp);
1024
1025 error_report("bad bluetooth parameter '%s'", opt);
1026 return 1;
1027 }
1028
1029 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1030 {
1031 /* FIXME: change this to true for 1.3 */
1032 if (qemu_opt_get_bool(opts, "enable", false)) {
1033 #ifdef CONFIG_SECCOMP
1034 if (seccomp_start() < 0) {
1035 error_report("failed to install seccomp syscall filter "
1036 "in the kernel");
1037 return -1;
1038 }
1039 #else
1040 error_report("seccomp support is disabled");
1041 return -1;
1042 #endif
1043 }
1044
1045 return 0;
1046 }
1047
1048 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1049 {
1050 const char *proc_name;
1051
1052 if (qemu_opt_get(opts, "debug-threads")) {
1053 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1054 }
1055 qemu_name = qemu_opt_get(opts, "guest");
1056
1057 proc_name = qemu_opt_get(opts, "process");
1058 if (proc_name) {
1059 os_set_proc_name(proc_name);
1060 }
1061
1062 return 0;
1063 }
1064
1065 bool defaults_enabled(void)
1066 {
1067 return has_defaults;
1068 }
1069
1070 #ifndef _WIN32
1071 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1072 {
1073 int fd, dupfd, flags;
1074 int64_t fdset_id;
1075 const char *fd_opaque = NULL;
1076 AddfdInfo *fdinfo;
1077
1078 fd = qemu_opt_get_number(opts, "fd", -1);
1079 fdset_id = qemu_opt_get_number(opts, "set", -1);
1080 fd_opaque = qemu_opt_get(opts, "opaque");
1081
1082 if (fd < 0) {
1083 error_report("fd option is required and must be non-negative");
1084 return -1;
1085 }
1086
1087 if (fd <= STDERR_FILENO) {
1088 error_report("fd cannot be a standard I/O stream");
1089 return -1;
1090 }
1091
1092 /*
1093 * All fds inherited across exec() necessarily have FD_CLOEXEC
1094 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1095 */
1096 flags = fcntl(fd, F_GETFD);
1097 if (flags == -1 || (flags & FD_CLOEXEC)) {
1098 error_report("fd is not valid or already in use");
1099 return -1;
1100 }
1101
1102 if (fdset_id < 0) {
1103 error_report("set option is required and must be non-negative");
1104 return -1;
1105 }
1106
1107 #ifdef F_DUPFD_CLOEXEC
1108 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1109 #else
1110 dupfd = dup(fd);
1111 if (dupfd != -1) {
1112 qemu_set_cloexec(dupfd);
1113 }
1114 #endif
1115 if (dupfd == -1) {
1116 error_report("error duplicating fd: %s", strerror(errno));
1117 return -1;
1118 }
1119
1120 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1121 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1122 &error_abort);
1123 g_free(fdinfo);
1124
1125 return 0;
1126 }
1127
1128 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1129 {
1130 int fd;
1131
1132 fd = qemu_opt_get_number(opts, "fd", -1);
1133 close(fd);
1134
1135 return 0;
1136 }
1137 #endif
1138
1139 /***********************************************************/
1140 /* QEMU Block devices */
1141
1142 #define HD_OPTS "media=disk"
1143 #define CDROM_OPTS "media=cdrom"
1144 #define FD_OPTS ""
1145 #define PFLASH_OPTS ""
1146 #define MTD_OPTS ""
1147 #define SD_OPTS ""
1148
1149 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1150 {
1151 BlockInterfaceType *block_default_type = opaque;
1152
1153 return drive_new(opts, *block_default_type) == NULL;
1154 }
1155
1156 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1157 {
1158 if (qemu_opt_get(opts, "snapshot") == NULL) {
1159 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1160 }
1161 return 0;
1162 }
1163
1164 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1165 int index, const char *optstr)
1166 {
1167 QemuOpts *opts;
1168 DriveInfo *dinfo;
1169
1170 if (!enable || drive_get_by_index(type, index)) {
1171 return;
1172 }
1173
1174 opts = drive_add(type, index, NULL, optstr);
1175 if (snapshot) {
1176 drive_enable_snapshot(NULL, opts, NULL);
1177 }
1178
1179 dinfo = drive_new(opts, type);
1180 if (!dinfo) {
1181 exit(1);
1182 }
1183 dinfo->is_default = true;
1184
1185 }
1186
1187 static QemuOptsList qemu_smp_opts = {
1188 .name = "smp-opts",
1189 .implied_opt_name = "cpus",
1190 .merge_lists = true,
1191 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1192 .desc = {
1193 {
1194 .name = "cpus",
1195 .type = QEMU_OPT_NUMBER,
1196 }, {
1197 .name = "sockets",
1198 .type = QEMU_OPT_NUMBER,
1199 }, {
1200 .name = "cores",
1201 .type = QEMU_OPT_NUMBER,
1202 }, {
1203 .name = "threads",
1204 .type = QEMU_OPT_NUMBER,
1205 }, {
1206 .name = "maxcpus",
1207 .type = QEMU_OPT_NUMBER,
1208 },
1209 { /*End of list */ }
1210 },
1211 };
1212
1213 static void smp_parse(QemuOpts *opts)
1214 {
1215 if (opts) {
1216 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1217 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1218 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1219 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1220
1221 /* compute missing values, prefer sockets over cores over threads */
1222 if (cpus == 0 || sockets == 0) {
1223 sockets = sockets > 0 ? sockets : 1;
1224 cores = cores > 0 ? cores : 1;
1225 threads = threads > 0 ? threads : 1;
1226 if (cpus == 0) {
1227 cpus = cores * threads * sockets;
1228 }
1229 } else if (cores == 0) {
1230 threads = threads > 0 ? threads : 1;
1231 cores = cpus / (sockets * threads);
1232 cores = cores > 0 ? cores : 1;
1233 } else if (threads == 0) {
1234 threads = cpus / (cores * sockets);
1235 threads = threads > 0 ? threads : 1;
1236 } else if (sockets * cores * threads < cpus) {
1237 error_report("cpu topology: "
1238 "sockets (%u) * cores (%u) * threads (%u) < "
1239 "smp_cpus (%u)",
1240 sockets, cores, threads, cpus);
1241 exit(1);
1242 }
1243
1244 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1245
1246 if (max_cpus < cpus) {
1247 error_report("maxcpus must be equal to or greater than smp");
1248 exit(1);
1249 }
1250
1251 if (sockets * cores * threads > max_cpus) {
1252 error_report("cpu topology: "
1253 "sockets (%u) * cores (%u) * threads (%u) > "
1254 "maxcpus (%u)",
1255 sockets, cores, threads, max_cpus);
1256 exit(1);
1257 }
1258
1259 smp_cpus = cpus;
1260 smp_cores = cores;
1261 smp_threads = threads;
1262 }
1263
1264 if (smp_cpus > 1) {
1265 Error *blocker = NULL;
1266 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1267 replay_add_blocker(blocker);
1268 }
1269 }
1270
1271 static void realtime_init(void)
1272 {
1273 if (enable_mlock) {
1274 if (os_mlock() < 0) {
1275 error_report("locking memory failed");
1276 exit(1);
1277 }
1278 }
1279 }
1280
1281
1282 static void configure_msg(QemuOpts *opts)
1283 {
1284 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1285 }
1286
1287 /***********************************************************/
1288 /* Semihosting */
1289
1290 typedef struct SemihostingConfig {
1291 bool enabled;
1292 SemihostingTarget target;
1293 const char **argv;
1294 int argc;
1295 const char *cmdline; /* concatenated argv */
1296 } SemihostingConfig;
1297
1298 static SemihostingConfig semihosting;
1299
1300 bool semihosting_enabled(void)
1301 {
1302 return semihosting.enabled;
1303 }
1304
1305 SemihostingTarget semihosting_get_target(void)
1306 {
1307 return semihosting.target;
1308 }
1309
1310 const char *semihosting_get_arg(int i)
1311 {
1312 if (i >= semihosting.argc) {
1313 return NULL;
1314 }
1315 return semihosting.argv[i];
1316 }
1317
1318 int semihosting_get_argc(void)
1319 {
1320 return semihosting.argc;
1321 }
1322
1323 const char *semihosting_get_cmdline(void)
1324 {
1325 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1326 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1327 }
1328 return semihosting.cmdline;
1329 }
1330
1331 static int add_semihosting_arg(void *opaque,
1332 const char *name, const char *val,
1333 Error **errp)
1334 {
1335 SemihostingConfig *s = opaque;
1336 if (strcmp(name, "arg") == 0) {
1337 s->argc++;
1338 /* one extra element as g_strjoinv() expects NULL-terminated array */
1339 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1340 s->argv[s->argc - 1] = val;
1341 s->argv[s->argc] = NULL;
1342 }
1343 return 0;
1344 }
1345
1346 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1347 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1348 {
1349 char *cmd_token;
1350
1351 /* argv[0] */
1352 add_semihosting_arg(&semihosting, "arg", file, NULL);
1353
1354 /* split -append and initialize argv[1..n] */
1355 cmd_token = strtok(g_strdup(cmd), " ");
1356 while (cmd_token) {
1357 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1358 cmd_token = strtok(NULL, " ");
1359 }
1360 }
1361
1362 /* Now we still need this for compatibility with XEN. */
1363 bool has_igd_gfx_passthru;
1364 static void igd_gfx_passthru(void)
1365 {
1366 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1367 }
1368
1369 /***********************************************************/
1370 /* USB devices */
1371
1372 static int usb_device_add(const char *devname)
1373 {
1374 USBDevice *dev = NULL;
1375 #ifndef CONFIG_LINUX
1376 const char *p;
1377 #endif
1378
1379 if (!machine_usb(current_machine)) {
1380 return -1;
1381 }
1382
1383 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1384 dev = usbdevice_create(devname);
1385 if (dev)
1386 goto done;
1387
1388 /* the other ones */
1389 #ifndef CONFIG_LINUX
1390 /* only the linux version is qdev-ified, usb-bsd still needs this */
1391 if (strstart(devname, "host:", &p)) {
1392 dev = usb_host_device_open(usb_bus_find(-1), p);
1393 }
1394 #endif
1395 if (!dev)
1396 return -1;
1397
1398 done:
1399 return 0;
1400 }
1401
1402 static int usb_device_del(const char *devname)
1403 {
1404 int bus_num, addr;
1405 const char *p;
1406
1407 if (strstart(devname, "host:", &p)) {
1408 return -1;
1409 }
1410
1411 if (!machine_usb(current_machine)) {
1412 return -1;
1413 }
1414
1415 p = strchr(devname, '.');
1416 if (!p)
1417 return -1;
1418 bus_num = strtoul(devname, NULL, 0);
1419 addr = strtoul(p + 1, NULL, 0);
1420
1421 return usb_device_delete_addr(bus_num, addr);
1422 }
1423
1424 static int usb_parse(const char *cmdline)
1425 {
1426 int r;
1427 r = usb_device_add(cmdline);
1428 if (r < 0) {
1429 error_report("could not add USB device '%s'", cmdline);
1430 }
1431 return r;
1432 }
1433
1434 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1435 {
1436 const char *devname = qdict_get_str(qdict, "devname");
1437 if (usb_device_add(devname) < 0) {
1438 error_report("could not add USB device '%s'", devname);
1439 }
1440 }
1441
1442 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1443 {
1444 const char *devname = qdict_get_str(qdict, "devname");
1445 if (usb_device_del(devname) < 0) {
1446 error_report("could not delete USB device '%s'", devname);
1447 }
1448 }
1449
1450 /***********************************************************/
1451 /* machine registration */
1452
1453 MachineState *current_machine;
1454
1455 static MachineClass *find_machine(const char *name)
1456 {
1457 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1458 MachineClass *mc = NULL;
1459
1460 for (el = machines; el; el = el->next) {
1461 MachineClass *temp = el->data;
1462
1463 if (!strcmp(temp->name, name)) {
1464 mc = temp;
1465 break;
1466 }
1467 if (temp->alias &&
1468 !strcmp(temp->alias, name)) {
1469 mc = temp;
1470 break;
1471 }
1472 }
1473
1474 g_slist_free(machines);
1475 return mc;
1476 }
1477
1478 MachineClass *find_default_machine(void)
1479 {
1480 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1481 MachineClass *mc = NULL;
1482
1483 for (el = machines; el; el = el->next) {
1484 MachineClass *temp = el->data;
1485
1486 if (temp->is_default) {
1487 mc = temp;
1488 break;
1489 }
1490 }
1491
1492 g_slist_free(machines);
1493 return mc;
1494 }
1495
1496 MachineInfoList *qmp_query_machines(Error **errp)
1497 {
1498 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1499 MachineInfoList *mach_list = NULL;
1500
1501 for (el = machines; el; el = el->next) {
1502 MachineClass *mc = el->data;
1503 MachineInfoList *entry;
1504 MachineInfo *info;
1505
1506 info = g_malloc0(sizeof(*info));
1507 if (mc->is_default) {
1508 info->has_is_default = true;
1509 info->is_default = true;
1510 }
1511
1512 if (mc->alias) {
1513 info->has_alias = true;
1514 info->alias = g_strdup(mc->alias);
1515 }
1516
1517 info->name = g_strdup(mc->name);
1518 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1519 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1520
1521 entry = g_malloc0(sizeof(*entry));
1522 entry->value = info;
1523 entry->next = mach_list;
1524 mach_list = entry;
1525 }
1526
1527 g_slist_free(machines);
1528 return mach_list;
1529 }
1530
1531 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1532 {
1533 ObjectProperty *prop;
1534 ObjectPropertyIterator iter;
1535
1536 if (!qemu_opt_has_help_opt(opts)) {
1537 return 0;
1538 }
1539
1540 object_property_iter_init(&iter, OBJECT(machine));
1541 while ((prop = object_property_iter_next(&iter))) {
1542 if (!prop->set) {
1543 continue;
1544 }
1545
1546 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1547 prop->name, prop->type);
1548 if (prop->description) {
1549 error_printf(" (%s)\n", prop->description);
1550 } else {
1551 error_printf("\n");
1552 }
1553 }
1554
1555 return 1;
1556 }
1557
1558 /***********************************************************/
1559 /* main execution loop */
1560
1561 struct vm_change_state_entry {
1562 VMChangeStateHandler *cb;
1563 void *opaque;
1564 QLIST_ENTRY (vm_change_state_entry) entries;
1565 };
1566
1567 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1568
1569 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1570 void *opaque)
1571 {
1572 VMChangeStateEntry *e;
1573
1574 e = g_malloc0(sizeof (*e));
1575
1576 e->cb = cb;
1577 e->opaque = opaque;
1578 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1579 return e;
1580 }
1581
1582 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1583 {
1584 QLIST_REMOVE (e, entries);
1585 g_free (e);
1586 }
1587
1588 void vm_state_notify(int running, RunState state)
1589 {
1590 VMChangeStateEntry *e, *next;
1591
1592 trace_vm_state_notify(running, state);
1593
1594 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1595 e->cb(e->opaque, running, state);
1596 }
1597 }
1598
1599 static int reset_requested;
1600 static int shutdown_requested, shutdown_signal = -1;
1601 static pid_t shutdown_pid;
1602 static int powerdown_requested;
1603 static int debug_requested;
1604 static int suspend_requested;
1605 static WakeupReason wakeup_reason;
1606 static NotifierList powerdown_notifiers =
1607 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1608 static NotifierList suspend_notifiers =
1609 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1610 static NotifierList wakeup_notifiers =
1611 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1612 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1613
1614 int qemu_shutdown_requested_get(void)
1615 {
1616 return shutdown_requested;
1617 }
1618
1619 int qemu_reset_requested_get(void)
1620 {
1621 return reset_requested;
1622 }
1623
1624 static int qemu_shutdown_requested(void)
1625 {
1626 return atomic_xchg(&shutdown_requested, 0);
1627 }
1628
1629 static void qemu_kill_report(void)
1630 {
1631 if (!qtest_driver() && shutdown_signal != -1) {
1632 if (shutdown_pid == 0) {
1633 /* This happens for eg ^C at the terminal, so it's worth
1634 * avoiding printing an odd message in that case.
1635 */
1636 error_report("terminating on signal %d", shutdown_signal);
1637 } else {
1638 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1639
1640 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1641 shutdown_signal, shutdown_pid,
1642 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1643 g_free(shutdown_cmd);
1644 }
1645 shutdown_signal = -1;
1646 }
1647 }
1648
1649 static int qemu_reset_requested(void)
1650 {
1651 int r = reset_requested;
1652 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1653 reset_requested = 0;
1654 return r;
1655 }
1656 return false;
1657 }
1658
1659 static int qemu_suspend_requested(void)
1660 {
1661 int r = suspend_requested;
1662 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1663 suspend_requested = 0;
1664 return r;
1665 }
1666 return false;
1667 }
1668
1669 static WakeupReason qemu_wakeup_requested(void)
1670 {
1671 return wakeup_reason;
1672 }
1673
1674 static int qemu_powerdown_requested(void)
1675 {
1676 int r = powerdown_requested;
1677 powerdown_requested = 0;
1678 return r;
1679 }
1680
1681 static int qemu_debug_requested(void)
1682 {
1683 int r = debug_requested;
1684 debug_requested = 0;
1685 return r;
1686 }
1687
1688 void qemu_system_reset(bool report)
1689 {
1690 MachineClass *mc;
1691
1692 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1693
1694 cpu_synchronize_all_states();
1695
1696 if (mc && mc->reset) {
1697 mc->reset();
1698 } else {
1699 qemu_devices_reset();
1700 }
1701 if (report) {
1702 qapi_event_send_reset(&error_abort);
1703 }
1704 cpu_synchronize_all_post_reset();
1705 }
1706
1707 void qemu_system_guest_panicked(GuestPanicInformation *info)
1708 {
1709 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1710
1711 if (current_cpu) {
1712 current_cpu->crash_occurred = true;
1713 }
1714 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1715 !!info, info, &error_abort);
1716 vm_stop(RUN_STATE_GUEST_PANICKED);
1717 if (!no_shutdown) {
1718 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1719 !!info, info, &error_abort);
1720 qemu_system_shutdown_request();
1721 }
1722
1723 if (info) {
1724 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1725 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1726 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1727 info->u.hyper_v.arg1,
1728 info->u.hyper_v.arg2,
1729 info->u.hyper_v.arg3,
1730 info->u.hyper_v.arg4,
1731 info->u.hyper_v.arg5);
1732 }
1733 qapi_free_GuestPanicInformation(info);
1734 }
1735 }
1736
1737 void qemu_system_reset_request(void)
1738 {
1739 if (no_reboot) {
1740 shutdown_requested = 1;
1741 } else {
1742 reset_requested = 1;
1743 }
1744 cpu_stop_current();
1745 qemu_notify_event();
1746 }
1747
1748 static void qemu_system_suspend(void)
1749 {
1750 pause_all_vcpus();
1751 notifier_list_notify(&suspend_notifiers, NULL);
1752 runstate_set(RUN_STATE_SUSPENDED);
1753 qapi_event_send_suspend(&error_abort);
1754 }
1755
1756 void qemu_system_suspend_request(void)
1757 {
1758 if (runstate_check(RUN_STATE_SUSPENDED)) {
1759 return;
1760 }
1761 suspend_requested = 1;
1762 cpu_stop_current();
1763 qemu_notify_event();
1764 }
1765
1766 void qemu_register_suspend_notifier(Notifier *notifier)
1767 {
1768 notifier_list_add(&suspend_notifiers, notifier);
1769 }
1770
1771 void qemu_system_wakeup_request(WakeupReason reason)
1772 {
1773 trace_system_wakeup_request(reason);
1774
1775 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1776 return;
1777 }
1778 if (!(wakeup_reason_mask & (1 << reason))) {
1779 return;
1780 }
1781 runstate_set(RUN_STATE_RUNNING);
1782 wakeup_reason = reason;
1783 qemu_notify_event();
1784 }
1785
1786 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1787 {
1788 if (enabled) {
1789 wakeup_reason_mask |= (1 << reason);
1790 } else {
1791 wakeup_reason_mask &= ~(1 << reason);
1792 }
1793 }
1794
1795 void qemu_register_wakeup_notifier(Notifier *notifier)
1796 {
1797 notifier_list_add(&wakeup_notifiers, notifier);
1798 }
1799
1800 void qemu_system_killed(int signal, pid_t pid)
1801 {
1802 shutdown_signal = signal;
1803 shutdown_pid = pid;
1804 no_shutdown = 0;
1805
1806 /* Cannot call qemu_system_shutdown_request directly because
1807 * we are in a signal handler.
1808 */
1809 shutdown_requested = 1;
1810 qemu_notify_event();
1811 }
1812
1813 void qemu_system_shutdown_request(void)
1814 {
1815 trace_qemu_system_shutdown_request();
1816 replay_shutdown_request();
1817 shutdown_requested = 1;
1818 qemu_notify_event();
1819 }
1820
1821 static void qemu_system_powerdown(void)
1822 {
1823 qapi_event_send_powerdown(&error_abort);
1824 notifier_list_notify(&powerdown_notifiers, NULL);
1825 }
1826
1827 void qemu_system_powerdown_request(void)
1828 {
1829 trace_qemu_system_powerdown_request();
1830 powerdown_requested = 1;
1831 qemu_notify_event();
1832 }
1833
1834 void qemu_register_powerdown_notifier(Notifier *notifier)
1835 {
1836 notifier_list_add(&powerdown_notifiers, notifier);
1837 }
1838
1839 void qemu_system_debug_request(void)
1840 {
1841 debug_requested = 1;
1842 qemu_notify_event();
1843 }
1844
1845 static bool main_loop_should_exit(void)
1846 {
1847 RunState r;
1848 if (qemu_debug_requested()) {
1849 vm_stop(RUN_STATE_DEBUG);
1850 }
1851 if (qemu_suspend_requested()) {
1852 qemu_system_suspend();
1853 }
1854 if (qemu_shutdown_requested()) {
1855 qemu_kill_report();
1856 qapi_event_send_shutdown(&error_abort);
1857 if (no_shutdown) {
1858 vm_stop(RUN_STATE_SHUTDOWN);
1859 } else {
1860 return true;
1861 }
1862 }
1863 if (qemu_reset_requested()) {
1864 pause_all_vcpus();
1865 qemu_system_reset(VMRESET_REPORT);
1866 resume_all_vcpus();
1867 if (!runstate_check(RUN_STATE_RUNNING) &&
1868 !runstate_check(RUN_STATE_INMIGRATE)) {
1869 runstate_set(RUN_STATE_PRELAUNCH);
1870 }
1871 }
1872 if (qemu_wakeup_requested()) {
1873 pause_all_vcpus();
1874 qemu_system_reset(VMRESET_SILENT);
1875 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1876 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1877 resume_all_vcpus();
1878 qapi_event_send_wakeup(&error_abort);
1879 }
1880 if (qemu_powerdown_requested()) {
1881 qemu_system_powerdown();
1882 }
1883 if (qemu_vmstop_requested(&r)) {
1884 vm_stop(r);
1885 }
1886 return false;
1887 }
1888
1889 static void main_loop(void)
1890 {
1891 bool nonblocking;
1892 int last_io = 0;
1893 #ifdef CONFIG_PROFILER
1894 int64_t ti;
1895 #endif
1896 do {
1897 nonblocking = tcg_enabled() && last_io > 0;
1898 #ifdef CONFIG_PROFILER
1899 ti = profile_getclock();
1900 #endif
1901 last_io = main_loop_wait(nonblocking);
1902 #ifdef CONFIG_PROFILER
1903 dev_time += profile_getclock() - ti;
1904 #endif
1905 } while (!main_loop_should_exit());
1906 }
1907
1908 static void version(void)
1909 {
1910 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1911 QEMU_COPYRIGHT "\n");
1912 }
1913
1914 static void help(int exitcode)
1915 {
1916 version();
1917 printf("usage: %s [options] [disk_image]\n\n"
1918 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1919 error_get_progname());
1920
1921 #define QEMU_OPTIONS_GENERATE_HELP
1922 #include "qemu-options-wrapper.h"
1923
1924 printf("\nDuring emulation, the following keys are useful:\n"
1925 "ctrl-alt-f toggle full screen\n"
1926 "ctrl-alt-n switch to virtual console 'n'\n"
1927 "ctrl-alt toggle mouse and keyboard grab\n"
1928 "\n"
1929 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1930
1931 exit(exitcode);
1932 }
1933
1934 #define HAS_ARG 0x0001
1935
1936 typedef struct QEMUOption {
1937 const char *name;
1938 int flags;
1939 int index;
1940 uint32_t arch_mask;
1941 } QEMUOption;
1942
1943 static const QEMUOption qemu_options[] = {
1944 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1945 #define QEMU_OPTIONS_GENERATE_OPTIONS
1946 #include "qemu-options-wrapper.h"
1947 { NULL },
1948 };
1949
1950 typedef struct VGAInterfaceInfo {
1951 const char *opt_name; /* option name */
1952 const char *name; /* human-readable name */
1953 /* Class names indicating that support is available.
1954 * If no class is specified, the interface is always available */
1955 const char *class_names[2];
1956 } VGAInterfaceInfo;
1957
1958 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1959 [VGA_NONE] = {
1960 .opt_name = "none",
1961 },
1962 [VGA_STD] = {
1963 .opt_name = "std",
1964 .name = "standard VGA",
1965 .class_names = { "VGA", "isa-vga" },
1966 },
1967 [VGA_CIRRUS] = {
1968 .opt_name = "cirrus",
1969 .name = "Cirrus VGA",
1970 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1971 },
1972 [VGA_VMWARE] = {
1973 .opt_name = "vmware",
1974 .name = "VMWare SVGA",
1975 .class_names = { "vmware-svga" },
1976 },
1977 [VGA_VIRTIO] = {
1978 .opt_name = "virtio",
1979 .name = "Virtio VGA",
1980 .class_names = { "virtio-vga" },
1981 },
1982 [VGA_QXL] = {
1983 .opt_name = "qxl",
1984 .name = "QXL VGA",
1985 .class_names = { "qxl-vga" },
1986 },
1987 [VGA_TCX] = {
1988 .opt_name = "tcx",
1989 .name = "TCX framebuffer",
1990 .class_names = { "SUNW,tcx" },
1991 },
1992 [VGA_CG3] = {
1993 .opt_name = "cg3",
1994 .name = "CG3 framebuffer",
1995 .class_names = { "cgthree" },
1996 },
1997 [VGA_XENFB] = {
1998 .opt_name = "xenfb",
1999 },
2000 };
2001
2002 static bool vga_interface_available(VGAInterfaceType t)
2003 {
2004 VGAInterfaceInfo *ti = &vga_interfaces[t];
2005
2006 assert(t < VGA_TYPE_MAX);
2007 return !ti->class_names[0] ||
2008 object_class_by_name(ti->class_names[0]) ||
2009 object_class_by_name(ti->class_names[1]);
2010 }
2011
2012 static void select_vgahw(const char *p)
2013 {
2014 const char *opts;
2015 int t;
2016
2017 assert(vga_interface_type == VGA_NONE);
2018 for (t = 0; t < VGA_TYPE_MAX; t++) {
2019 VGAInterfaceInfo *ti = &vga_interfaces[t];
2020 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2021 if (!vga_interface_available(t)) {
2022 error_report("%s not available", ti->name);
2023 exit(1);
2024 }
2025 vga_interface_type = t;
2026 break;
2027 }
2028 }
2029 if (t == VGA_TYPE_MAX) {
2030 invalid_vga:
2031 error_report("unknown vga type: %s", p);
2032 exit(1);
2033 }
2034 while (*opts) {
2035 const char *nextopt;
2036
2037 if (strstart(opts, ",retrace=", &nextopt)) {
2038 opts = nextopt;
2039 if (strstart(opts, "dumb", &nextopt))
2040 vga_retrace_method = VGA_RETRACE_DUMB;
2041 else if (strstart(opts, "precise", &nextopt))
2042 vga_retrace_method = VGA_RETRACE_PRECISE;
2043 else goto invalid_vga;
2044 } else goto invalid_vga;
2045 opts = nextopt;
2046 }
2047 }
2048
2049 typedef enum DisplayType {
2050 DT_DEFAULT,
2051 DT_CURSES,
2052 DT_SDL,
2053 DT_COCOA,
2054 DT_GTK,
2055 DT_NONE,
2056 } DisplayType;
2057
2058 static DisplayType select_display(const char *p)
2059 {
2060 const char *opts;
2061 DisplayType display = DT_DEFAULT;
2062
2063 if (strstart(p, "sdl", &opts)) {
2064 #ifdef CONFIG_SDL
2065 display = DT_SDL;
2066 while (*opts) {
2067 const char *nextopt;
2068
2069 if (strstart(opts, ",frame=", &nextopt)) {
2070 opts = nextopt;
2071 if (strstart(opts, "on", &nextopt)) {
2072 no_frame = 0;
2073 } else if (strstart(opts, "off", &nextopt)) {
2074 no_frame = 1;
2075 } else {
2076 goto invalid_sdl_args;
2077 }
2078 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2079 opts = nextopt;
2080 if (strstart(opts, "on", &nextopt)) {
2081 alt_grab = 1;
2082 } else if (strstart(opts, "off", &nextopt)) {
2083 alt_grab = 0;
2084 } else {
2085 goto invalid_sdl_args;
2086 }
2087 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2088 opts = nextopt;
2089 if (strstart(opts, "on", &nextopt)) {
2090 ctrl_grab = 1;
2091 } else if (strstart(opts, "off", &nextopt)) {
2092 ctrl_grab = 0;
2093 } else {
2094 goto invalid_sdl_args;
2095 }
2096 } else if (strstart(opts, ",window_close=", &nextopt)) {
2097 opts = nextopt;
2098 if (strstart(opts, "on", &nextopt)) {
2099 no_quit = 0;
2100 } else if (strstart(opts, "off", &nextopt)) {
2101 no_quit = 1;
2102 } else {
2103 goto invalid_sdl_args;
2104 }
2105 } else if (strstart(opts, ",gl=", &nextopt)) {
2106 opts = nextopt;
2107 if (strstart(opts, "on", &nextopt)) {
2108 request_opengl = 1;
2109 } else if (strstart(opts, "off", &nextopt)) {
2110 request_opengl = 0;
2111 } else {
2112 goto invalid_sdl_args;
2113 }
2114 } else {
2115 invalid_sdl_args:
2116 error_report("invalid SDL option string");
2117 exit(1);
2118 }
2119 opts = nextopt;
2120 }
2121 #else
2122 error_report("SDL support is disabled");
2123 exit(1);
2124 #endif
2125 } else if (strstart(p, "vnc", &opts)) {
2126 if (*opts == '=') {
2127 vnc_parse(opts + 1, &error_fatal);
2128 } else {
2129 error_report("VNC requires a display argument vnc=<display>");
2130 exit(1);
2131 }
2132 } else if (strstart(p, "curses", &opts)) {
2133 #ifdef CONFIG_CURSES
2134 display = DT_CURSES;
2135 #else
2136 error_report("curses support is disabled");
2137 exit(1);
2138 #endif
2139 } else if (strstart(p, "gtk", &opts)) {
2140 #ifdef CONFIG_GTK
2141 display = DT_GTK;
2142 while (*opts) {
2143 const char *nextopt;
2144
2145 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2146 opts = nextopt;
2147 if (strstart(opts, "on", &nextopt)) {
2148 grab_on_hover = true;
2149 } else if (strstart(opts, "off", &nextopt)) {
2150 grab_on_hover = false;
2151 } else {
2152 goto invalid_gtk_args;
2153 }
2154 } else if (strstart(opts, ",gl=", &nextopt)) {
2155 opts = nextopt;
2156 if (strstart(opts, "on", &nextopt)) {
2157 request_opengl = 1;
2158 } else if (strstart(opts, "off", &nextopt)) {
2159 request_opengl = 0;
2160 } else {
2161 goto invalid_gtk_args;
2162 }
2163 } else {
2164 invalid_gtk_args:
2165 error_report("invalid GTK option string");
2166 exit(1);
2167 }
2168 opts = nextopt;
2169 }
2170 #else
2171 error_report("GTK support is disabled");
2172 exit(1);
2173 #endif
2174 } else if (strstart(p, "none", &opts)) {
2175 display = DT_NONE;
2176 } else {
2177 error_report("unknown display type");
2178 exit(1);
2179 }
2180
2181 return display;
2182 }
2183
2184 static int balloon_parse(const char *arg)
2185 {
2186 QemuOpts *opts;
2187
2188 if (strcmp(arg, "none") == 0) {
2189 return 0;
2190 }
2191
2192 if (!strncmp(arg, "virtio", 6)) {
2193 if (arg[6] == ',') {
2194 /* have params -> parse them */
2195 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2196 false);
2197 if (!opts)
2198 return -1;
2199 } else {
2200 /* create empty opts */
2201 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2202 &error_abort);
2203 }
2204 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2205 return 0;
2206 }
2207
2208 return -1;
2209 }
2210
2211 char *qemu_find_file(int type, const char *name)
2212 {
2213 int i;
2214 const char *subdir;
2215 char *buf;
2216
2217 /* Try the name as a straight path first */
2218 if (access(name, R_OK) == 0) {
2219 trace_load_file(name, name);
2220 return g_strdup(name);
2221 }
2222
2223 switch (type) {
2224 case QEMU_FILE_TYPE_BIOS:
2225 subdir = "";
2226 break;
2227 case QEMU_FILE_TYPE_KEYMAP:
2228 subdir = "keymaps/";
2229 break;
2230 default:
2231 abort();
2232 }
2233
2234 for (i = 0; i < data_dir_idx; i++) {
2235 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2236 if (access(buf, R_OK) == 0) {
2237 trace_load_file(name, buf);
2238 return buf;
2239 }
2240 g_free(buf);
2241 }
2242 return NULL;
2243 }
2244
2245 static inline bool nonempty_str(const char *str)
2246 {
2247 return str && *str;
2248 }
2249
2250 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2251 {
2252 gchar *buf;
2253 size_t size;
2254 const char *name, *file, *str;
2255 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2256
2257 if (fw_cfg == NULL) {
2258 error_report("fw_cfg device not available");
2259 return -1;
2260 }
2261 name = qemu_opt_get(opts, "name");
2262 file = qemu_opt_get(opts, "file");
2263 str = qemu_opt_get(opts, "string");
2264
2265 /* we need name and either a file or the content string */
2266 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2267 error_report("invalid argument(s)");
2268 return -1;
2269 }
2270 if (nonempty_str(file) && nonempty_str(str)) {
2271 error_report("file and string are mutually exclusive");
2272 return -1;
2273 }
2274 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2275 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2276 return -1;
2277 }
2278 if (strncmp(name, "opt/", 4) != 0) {
2279 error_report("warning: externally provided fw_cfg item names "
2280 "should be prefixed with \"opt/\"");
2281 }
2282 if (nonempty_str(str)) {
2283 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2284 buf = g_memdup(str, size);
2285 } else {
2286 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2287 error_report("can't load %s", file);
2288 return -1;
2289 }
2290 }
2291 /* For legacy, keep user files in a specific global order. */
2292 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2293 fw_cfg_add_file(fw_cfg, name, buf, size);
2294 fw_cfg_reset_order_override(fw_cfg);
2295 return 0;
2296 }
2297
2298 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2299 {
2300 return qdev_device_help(opts);
2301 }
2302
2303 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2304 {
2305 Error *err = NULL;
2306 DeviceState *dev;
2307
2308 dev = qdev_device_add(opts, &err);
2309 if (!dev) {
2310 error_report_err(err);
2311 return -1;
2312 }
2313 object_unref(OBJECT(dev));
2314 return 0;
2315 }
2316
2317 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2318 {
2319 Error *local_err = NULL;
2320
2321 qemu_chr_new_from_opts(opts, &local_err);
2322 if (local_err) {
2323 error_report_err(local_err);
2324 return -1;
2325 }
2326 return 0;
2327 }
2328
2329 #ifdef CONFIG_VIRTFS
2330 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2331 {
2332 return qemu_fsdev_add(opts);
2333 }
2334 #endif
2335
2336 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2337 {
2338 Chardev *chr;
2339 const char *chardev;
2340 const char *mode;
2341 int flags;
2342
2343 mode = qemu_opt_get(opts, "mode");
2344 if (mode == NULL) {
2345 mode = "readline";
2346 }
2347 if (strcmp(mode, "readline") == 0) {
2348 flags = MONITOR_USE_READLINE;
2349 } else if (strcmp(mode, "control") == 0) {
2350 flags = MONITOR_USE_CONTROL;
2351 } else {
2352 error_report("unknown monitor mode \"%s\"", mode);
2353 exit(1);
2354 }
2355
2356 if (qemu_opt_get_bool(opts, "pretty", 0))
2357 flags |= MONITOR_USE_PRETTY;
2358
2359 if (qemu_opt_get_bool(opts, "default", 0)) {
2360 error_report("option 'default' does nothing and is deprecated");
2361 }
2362
2363 chardev = qemu_opt_get(opts, "chardev");
2364 chr = qemu_chr_find(chardev);
2365 if (chr == NULL) {
2366 error_report("chardev \"%s\" not found", chardev);
2367 exit(1);
2368 }
2369
2370 monitor_init(chr, flags);
2371 return 0;
2372 }
2373
2374 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2375 {
2376 static int monitor_device_index = 0;
2377 QemuOpts *opts;
2378 const char *p;
2379 char label[32];
2380
2381 if (strstart(optarg, "chardev:", &p)) {
2382 snprintf(label, sizeof(label), "%s", p);
2383 } else {
2384 snprintf(label, sizeof(label), "compat_monitor%d",
2385 monitor_device_index);
2386 opts = qemu_chr_parse_compat(label, optarg);
2387 if (!opts) {
2388 error_report("parse error: %s", optarg);
2389 exit(1);
2390 }
2391 }
2392
2393 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2394 qemu_opt_set(opts, "mode", mode, &error_abort);
2395 qemu_opt_set(opts, "chardev", label, &error_abort);
2396 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2397 monitor_device_index++;
2398 }
2399
2400 struct device_config {
2401 enum {
2402 DEV_USB, /* -usbdevice */
2403 DEV_BT, /* -bt */
2404 DEV_SERIAL, /* -serial */
2405 DEV_PARALLEL, /* -parallel */
2406 DEV_VIRTCON, /* -virtioconsole */
2407 DEV_DEBUGCON, /* -debugcon */
2408 DEV_GDB, /* -gdb, -s */
2409 DEV_SCLP, /* s390 sclp */
2410 } type;
2411 const char *cmdline;
2412 Location loc;
2413 QTAILQ_ENTRY(device_config) next;
2414 };
2415
2416 static QTAILQ_HEAD(, device_config) device_configs =
2417 QTAILQ_HEAD_INITIALIZER(device_configs);
2418
2419 static void add_device_config(int type, const char *cmdline)
2420 {
2421 struct device_config *conf;
2422
2423 conf = g_malloc0(sizeof(*conf));
2424 conf->type = type;
2425 conf->cmdline = cmdline;
2426 loc_save(&conf->loc);
2427 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2428 }
2429
2430 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2431 {
2432 struct device_config *conf;
2433 int rc;
2434
2435 QTAILQ_FOREACH(conf, &device_configs, next) {
2436 if (conf->type != type)
2437 continue;
2438 loc_push_restore(&conf->loc);
2439 rc = func(conf->cmdline);
2440 loc_pop(&conf->loc);
2441 if (rc) {
2442 return rc;
2443 }
2444 }
2445 return 0;
2446 }
2447
2448 static int serial_parse(const char *devname)
2449 {
2450 static int index = 0;
2451 char label[32];
2452
2453 if (strcmp(devname, "none") == 0)
2454 return 0;
2455 if (index == MAX_SERIAL_PORTS) {
2456 error_report("too many serial ports");
2457 exit(1);
2458 }
2459 snprintf(label, sizeof(label), "serial%d", index);
2460 serial_hds[index] = qemu_chr_new(label, devname);
2461 if (!serial_hds[index]) {
2462 error_report("could not connect serial device"
2463 " to character backend '%s'", devname);
2464 return -1;
2465 }
2466 index++;
2467 return 0;
2468 }
2469
2470 static int parallel_parse(const char *devname)
2471 {
2472 static int index = 0;
2473 char label[32];
2474
2475 if (strcmp(devname, "none") == 0)
2476 return 0;
2477 if (index == MAX_PARALLEL_PORTS) {
2478 error_report("too many parallel ports");
2479 exit(1);
2480 }
2481 snprintf(label, sizeof(label), "parallel%d", index);
2482 parallel_hds[index] = qemu_chr_new(label, devname);
2483 if (!parallel_hds[index]) {
2484 error_report("could not connect parallel device"
2485 " to character backend '%s'", devname);
2486 return -1;
2487 }
2488 index++;
2489 return 0;
2490 }
2491
2492 static int virtcon_parse(const char *devname)
2493 {
2494 QemuOptsList *device = qemu_find_opts("device");
2495 static int index = 0;
2496 char label[32];
2497 QemuOpts *bus_opts, *dev_opts;
2498
2499 if (strcmp(devname, "none") == 0)
2500 return 0;
2501 if (index == MAX_VIRTIO_CONSOLES) {
2502 error_report("too many virtio consoles");
2503 exit(1);
2504 }
2505
2506 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2507 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2508
2509 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2510 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2511
2512 snprintf(label, sizeof(label), "virtcon%d", index);
2513 virtcon_hds[index] = qemu_chr_new(label, devname);
2514 if (!virtcon_hds[index]) {
2515 error_report("could not connect virtio console"
2516 " to character backend '%s'", devname);
2517 return -1;
2518 }
2519 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2520
2521 index++;
2522 return 0;
2523 }
2524
2525 static int sclp_parse(const char *devname)
2526 {
2527 QemuOptsList *device = qemu_find_opts("device");
2528 static int index = 0;
2529 char label[32];
2530 QemuOpts *dev_opts;
2531
2532 if (strcmp(devname, "none") == 0) {
2533 return 0;
2534 }
2535 if (index == MAX_SCLP_CONSOLES) {
2536 error_report("too many sclp consoles");
2537 exit(1);
2538 }
2539
2540 assert(arch_type == QEMU_ARCH_S390X);
2541
2542 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2543 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2544
2545 snprintf(label, sizeof(label), "sclpcon%d", index);
2546 sclp_hds[index] = qemu_chr_new(label, devname);
2547 if (!sclp_hds[index]) {
2548 error_report("could not connect sclp console"
2549 " to character backend '%s'", devname);
2550 return -1;
2551 }
2552 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2553
2554 index++;
2555 return 0;
2556 }
2557
2558 static int debugcon_parse(const char *devname)
2559 {
2560 QemuOpts *opts;
2561
2562 if (!qemu_chr_new("debugcon", devname)) {
2563 exit(1);
2564 }
2565 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2566 if (!opts) {
2567 error_report("already have a debugcon device");
2568 exit(1);
2569 }
2570 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2571 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2572 return 0;
2573 }
2574
2575 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2576 {
2577 const MachineClass *mc1 = a, *mc2 = b;
2578 int res;
2579
2580 if (mc1->family == NULL) {
2581 if (mc2->family == NULL) {
2582 /* Compare standalone machine types against each other; they sort
2583 * in increasing order.
2584 */
2585 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2586 object_class_get_name(OBJECT_CLASS(mc2)));
2587 }
2588
2589 /* Standalone machine types sort after families. */
2590 return 1;
2591 }
2592
2593 if (mc2->family == NULL) {
2594 /* Families sort before standalone machine types. */
2595 return -1;
2596 }
2597
2598 /* Families sort between each other alphabetically increasingly. */
2599 res = strcmp(mc1->family, mc2->family);
2600 if (res != 0) {
2601 return res;
2602 }
2603
2604 /* Within the same family, machine types sort in decreasing order. */
2605 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2606 object_class_get_name(OBJECT_CLASS(mc1)));
2607 }
2608
2609 static MachineClass *machine_parse(const char *name)
2610 {
2611 MachineClass *mc = NULL;
2612 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2613
2614 if (name) {
2615 mc = find_machine(name);
2616 }
2617 if (mc) {
2618 g_slist_free(machines);
2619 return mc;
2620 }
2621 if (name && !is_help_option(name)) {
2622 error_report("unsupported machine type");
2623 error_printf("Use -machine help to list supported machines\n");
2624 } else {
2625 printf("Supported machines are:\n");
2626 machines = g_slist_sort(machines, machine_class_cmp);
2627 for (el = machines; el; el = el->next) {
2628 MachineClass *mc = el->data;
2629 if (mc->alias) {
2630 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2631 }
2632 printf("%-20s %s%s\n", mc->name, mc->desc,
2633 mc->is_default ? " (default)" : "");
2634 }
2635 }
2636
2637 g_slist_free(machines);
2638 exit(!name || !is_help_option(name));
2639 }
2640
2641 void qemu_add_exit_notifier(Notifier *notify)
2642 {
2643 notifier_list_add(&exit_notifiers, notify);
2644 }
2645
2646 void qemu_remove_exit_notifier(Notifier *notify)
2647 {
2648 notifier_remove(notify);
2649 }
2650
2651 static void qemu_run_exit_notifiers(void)
2652 {
2653 notifier_list_notify(&exit_notifiers, NULL);
2654 }
2655
2656 static bool machine_init_done;
2657
2658 void qemu_add_machine_init_done_notifier(Notifier *notify)
2659 {
2660 notifier_list_add(&machine_init_done_notifiers, notify);
2661 if (machine_init_done) {
2662 notify->notify(notify, NULL);
2663 }
2664 }
2665
2666 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2667 {
2668 notifier_remove(notify);
2669 }
2670
2671 static void qemu_run_machine_init_done_notifiers(void)
2672 {
2673 notifier_list_notify(&machine_init_done_notifiers, NULL);
2674 machine_init_done = true;
2675 }
2676
2677 static const QEMUOption *lookup_opt(int argc, char **argv,
2678 const char **poptarg, int *poptind)
2679 {
2680 const QEMUOption *popt;
2681 int optind = *poptind;
2682 char *r = argv[optind];
2683 const char *optarg;
2684
2685 loc_set_cmdline(argv, optind, 1);
2686 optind++;
2687 /* Treat --foo the same as -foo. */
2688 if (r[1] == '-')
2689 r++;
2690 popt = qemu_options;
2691 for(;;) {
2692 if (!popt->name) {
2693 error_report("invalid option");
2694 exit(1);
2695 }
2696 if (!strcmp(popt->name, r + 1))
2697 break;
2698 popt++;
2699 }
2700 if (popt->flags & HAS_ARG) {
2701 if (optind >= argc) {
2702 error_report("requires an argument");
2703 exit(1);
2704 }
2705 optarg = argv[optind++];
2706 loc_set_cmdline(argv, optind - 2, 2);
2707 } else {
2708 optarg = NULL;
2709 }
2710
2711 *poptarg = optarg;
2712 *poptind = optind;
2713
2714 return popt;
2715 }
2716
2717 static MachineClass *select_machine(void)
2718 {
2719 MachineClass *machine_class = find_default_machine();
2720 const char *optarg;
2721 QemuOpts *opts;
2722 Location loc;
2723
2724 loc_push_none(&loc);
2725
2726 opts = qemu_get_machine_opts();
2727 qemu_opts_loc_restore(opts);
2728
2729 optarg = qemu_opt_get(opts, "type");
2730 if (optarg) {
2731 machine_class = machine_parse(optarg);
2732 }
2733
2734 if (!machine_class) {
2735 error_report("No machine specified, and there is no default");
2736 error_printf("Use -machine help to list supported machines\n");
2737 exit(1);
2738 }
2739
2740 loc_pop(&loc);
2741 return machine_class;
2742 }
2743
2744 static int machine_set_property(void *opaque,
2745 const char *name, const char *value,
2746 Error **errp)
2747 {
2748 Object *obj = OBJECT(opaque);
2749 Error *local_err = NULL;
2750 char *p, *qom_name;
2751
2752 if (strcmp(name, "type") == 0) {
2753 return 0;
2754 }
2755
2756 qom_name = g_strdup(name);
2757 for (p = qom_name; *p; p++) {
2758 if (*p == '_') {
2759 *p = '-';
2760 }
2761 }
2762
2763 object_property_parse(obj, value, qom_name, &local_err);
2764 g_free(qom_name);
2765
2766 if (local_err) {
2767 error_report_err(local_err);
2768 return -1;
2769 }
2770
2771 return 0;
2772 }
2773
2774
2775 /*
2776 * Initial object creation happens before all other
2777 * QEMU data types are created. The majority of objects
2778 * can be created at this point. The rng-egd object
2779 * cannot be created here, as it depends on the chardev
2780 * already existing.
2781 */
2782 static bool object_create_initial(const char *type)
2783 {
2784 if (g_str_equal(type, "rng-egd")) {
2785 return false;
2786 }
2787
2788 /*
2789 * return false for concrete netfilters since
2790 * they depend on netdevs already existing
2791 */
2792 if (g_str_equal(type, "filter-buffer") ||
2793 g_str_equal(type, "filter-dump") ||
2794 g_str_equal(type, "filter-mirror") ||
2795 g_str_equal(type, "filter-redirector") ||
2796 g_str_equal(type, "colo-compare") ||
2797 g_str_equal(type, "filter-rewriter") ||
2798 g_str_equal(type, "filter-replay")) {
2799 return false;
2800 }
2801
2802 /* Memory allocation by backends needs to be done
2803 * after configure_accelerator() (due to the tcg_enabled()
2804 * checks at memory_region_init_*()).
2805 *
2806 * Also, allocation of large amounts of memory may delay
2807 * chardev initialization for too long, and trigger timeouts
2808 * on software that waits for a monitor socket to be created
2809 * (e.g. libvirt).
2810 */
2811 if (g_str_has_prefix(type, "memory-backend-")) {
2812 return false;
2813 }
2814
2815 return true;
2816 }
2817
2818
2819 /*
2820 * The remainder of object creation happens after the
2821 * creation of chardev, fsdev, net clients and device data types.
2822 */
2823 static bool object_create_delayed(const char *type)
2824 {
2825 return !object_create_initial(type);
2826 }
2827
2828
2829 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2830 MachineClass *mc)
2831 {
2832 uint64_t sz;
2833 const char *mem_str;
2834 const char *maxmem_str, *slots_str;
2835 const ram_addr_t default_ram_size = mc->default_ram_size;
2836 QemuOpts *opts = qemu_find_opts_singleton("memory");
2837 Location loc;
2838
2839 loc_push_none(&loc);
2840 qemu_opts_loc_restore(opts);
2841
2842 sz = 0;
2843 mem_str = qemu_opt_get(opts, "size");
2844 if (mem_str) {
2845 if (!*mem_str) {
2846 error_report("missing 'size' option value");
2847 exit(EXIT_FAILURE);
2848 }
2849
2850 sz = qemu_opt_get_size(opts, "size", ram_size);
2851
2852 /* Fix up legacy suffix-less format */
2853 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2854 uint64_t overflow_check = sz;
2855
2856 sz <<= 20;
2857 if ((sz >> 20) != overflow_check) {
2858 error_report("too large 'size' option value");
2859 exit(EXIT_FAILURE);
2860 }
2861 }
2862 }
2863
2864 /* backward compatibility behaviour for case "-m 0" */
2865 if (sz == 0) {
2866 sz = default_ram_size;
2867 }
2868
2869 sz = QEMU_ALIGN_UP(sz, 8192);
2870 ram_size = sz;
2871 if (ram_size != sz) {
2872 error_report("ram size too large");
2873 exit(EXIT_FAILURE);
2874 }
2875
2876 /* store value for the future use */
2877 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2878 *maxram_size = ram_size;
2879
2880 maxmem_str = qemu_opt_get(opts, "maxmem");
2881 slots_str = qemu_opt_get(opts, "slots");
2882 if (maxmem_str && slots_str) {
2883 uint64_t slots;
2884
2885 sz = qemu_opt_get_size(opts, "maxmem", 0);
2886 slots = qemu_opt_get_number(opts, "slots", 0);
2887 if (sz < ram_size) {
2888 error_report("invalid value of -m option maxmem: "
2889 "maximum memory size (0x%" PRIx64 ") must be at least "
2890 "the initial memory size (0x" RAM_ADDR_FMT ")",
2891 sz, ram_size);
2892 exit(EXIT_FAILURE);
2893 } else if (sz > ram_size) {
2894 if (!slots) {
2895 error_report("invalid value of -m option: maxmem was "
2896 "specified, but no hotplug slots were specified");
2897 exit(EXIT_FAILURE);
2898 }
2899 } else if (slots) {
2900 error_report("invalid value of -m option maxmem: "
2901 "memory slots were specified but maximum memory size "
2902 "(0x%" PRIx64 ") is equal to the initial memory size "
2903 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2904 exit(EXIT_FAILURE);
2905 }
2906
2907 *maxram_size = sz;
2908 *ram_slots = slots;
2909 } else if ((!maxmem_str && slots_str) ||
2910 (maxmem_str && !slots_str)) {
2911 error_report("invalid -m option value: missing "
2912 "'%s' option", slots_str ? "maxmem" : "slots");
2913 exit(EXIT_FAILURE);
2914 }
2915
2916 loc_pop(&loc);
2917 }
2918
2919 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2920 {
2921 GlobalProperty *g;
2922
2923 g = g_malloc0(sizeof(*g));
2924 g->driver = qemu_opt_get(opts, "driver");
2925 g->property = qemu_opt_get(opts, "property");
2926 g->value = qemu_opt_get(opts, "value");
2927 g->user_provided = true;
2928 g->errp = &error_fatal;
2929 qdev_prop_register_global(g);
2930 return 0;
2931 }
2932
2933 static int qemu_read_default_config_file(void)
2934 {
2935 int ret;
2936
2937 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2938 if (ret < 0 && ret != -ENOENT) {
2939 return ret;
2940 }
2941
2942 return 0;
2943 }
2944
2945 int main(int argc, char **argv, char **envp)
2946 {
2947 int i;
2948 int snapshot, linux_boot;
2949 const char *initrd_filename;
2950 const char *kernel_filename, *kernel_cmdline;
2951 const char *boot_order = NULL;
2952 const char *boot_once = NULL;
2953 DisplayState *ds;
2954 int cyls, heads, secs, translation;
2955 QemuOpts *opts, *machine_opts;
2956 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
2957 QemuOptsList *olist;
2958 int optind;
2959 const char *optarg;
2960 const char *loadvm = NULL;
2961 MachineClass *machine_class;
2962 const char *cpu_model;
2963 const char *vga_model = NULL;
2964 const char *qtest_chrdev = NULL;
2965 const char *qtest_log = NULL;
2966 const char *pid_file = NULL;
2967 const char *incoming = NULL;
2968 bool defconfig = true;
2969 bool userconfig = true;
2970 bool nographic = false;
2971 DisplayType display_type = DT_DEFAULT;
2972 int display_remote = 0;
2973 const char *log_mask = NULL;
2974 const char *log_file = NULL;
2975 char *trace_file = NULL;
2976 ram_addr_t maxram_size;
2977 uint64_t ram_slots = 0;
2978 FILE *vmstate_dump_file = NULL;
2979 Error *main_loop_err = NULL;
2980 Error *err = NULL;
2981 bool list_data_dirs = false;
2982 typedef struct BlockdevOptions_queue {
2983 BlockdevOptions *bdo;
2984 Location loc;
2985 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2986 } BlockdevOptions_queue;
2987 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2988 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2989
2990 module_call_init(MODULE_INIT_TRACE);
2991
2992 qemu_init_cpu_list();
2993 qemu_init_cpu_loop();
2994 qemu_mutex_lock_iothread();
2995
2996 atexit(qemu_run_exit_notifiers);
2997 error_set_progname(argv[0]);
2998 qemu_init_exec_dir(argv[0]);
2999
3000 module_call_init(MODULE_INIT_QOM);
3001 monitor_init_qmp_commands();
3002
3003 qemu_add_opts(&qemu_drive_opts);
3004 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3005 qemu_add_drive_opts(&qemu_common_drive_opts);
3006 qemu_add_drive_opts(&qemu_drive_opts);
3007 qemu_add_drive_opts(&bdrv_runtime_opts);
3008 qemu_add_opts(&qemu_chardev_opts);
3009 qemu_add_opts(&qemu_device_opts);
3010 qemu_add_opts(&qemu_netdev_opts);
3011 qemu_add_opts(&qemu_net_opts);
3012 qemu_add_opts(&qemu_rtc_opts);
3013 qemu_add_opts(&qemu_global_opts);
3014 qemu_add_opts(&qemu_mon_opts);
3015 qemu_add_opts(&qemu_trace_opts);
3016 qemu_add_opts(&qemu_option_rom_opts);
3017 qemu_add_opts(&qemu_machine_opts);
3018 qemu_add_opts(&qemu_accel_opts);
3019 qemu_add_opts(&qemu_mem_opts);
3020 qemu_add_opts(&qemu_smp_opts);
3021 qemu_add_opts(&qemu_boot_opts);
3022 qemu_add_opts(&qemu_sandbox_opts);
3023 qemu_add_opts(&qemu_add_fd_opts);
3024 qemu_add_opts(&qemu_object_opts);
3025 qemu_add_opts(&qemu_tpmdev_opts);
3026 qemu_add_opts(&qemu_realtime_opts);
3027 qemu_add_opts(&qemu_msg_opts);
3028 qemu_add_opts(&qemu_name_opts);
3029 qemu_add_opts(&qemu_numa_opts);
3030 qemu_add_opts(&qemu_icount_opts);
3031 qemu_add_opts(&qemu_semihosting_config_opts);
3032 qemu_add_opts(&qemu_fw_cfg_opts);
3033 module_call_init(MODULE_INIT_OPTS);
3034
3035 runstate_init();
3036
3037 if (qcrypto_init(&err) < 0) {
3038 error_reportf_err(err, "cannot initialize crypto: ");
3039 exit(1);
3040 }
3041 rtc_clock = QEMU_CLOCK_HOST;
3042
3043 QLIST_INIT (&vm_change_state_head);
3044 os_setup_early_signal_handling();
3045
3046 cpu_model = NULL;
3047 snapshot = 0;
3048 cyls = heads = secs = 0;
3049 translation = BIOS_ATA_TRANSLATION_AUTO;
3050
3051 nb_nics = 0;
3052
3053 bdrv_init_with_whitelist();
3054
3055 autostart = 1;
3056
3057 /* first pass of option parsing */
3058 optind = 1;
3059 while (optind < argc) {
3060 if (argv[optind][0] != '-') {
3061 /* disk image */
3062 optind++;
3063 } else {
3064 const QEMUOption *popt;
3065
3066 popt = lookup_opt(argc, argv, &optarg, &optind);
3067 switch (popt->index) {
3068 case QEMU_OPTION_nodefconfig:
3069 defconfig = false;
3070 break;
3071 case QEMU_OPTION_nouserconfig:
3072 userconfig = false;
3073 break;
3074 }
3075 }
3076 }
3077
3078 if (defconfig && userconfig) {
3079 if (qemu_read_default_config_file() < 0) {
3080 exit(1);
3081 }
3082 }
3083
3084 /* second pass of option parsing */
3085 optind = 1;
3086 for(;;) {
3087 if (optind >= argc)
3088 break;
3089 if (argv[optind][0] != '-') {
3090 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3091 } else {
3092 const QEMUOption *popt;
3093
3094 popt = lookup_opt(argc, argv, &optarg, &optind);
3095 if (!(popt->arch_mask & arch_type)) {
3096 error_report("Option not supported for this target");
3097 exit(1);
3098 }
3099 switch(popt->index) {
3100 case QEMU_OPTION_no_kvm_irqchip: {
3101 olist = qemu_find_opts("machine");
3102 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3103 break;
3104 }
3105 case QEMU_OPTION_cpu:
3106 /* hw initialization will check this */
3107 cpu_model = optarg;
3108 break;
3109 case QEMU_OPTION_hda:
3110 {
3111 char buf[256];
3112 if (cyls == 0)
3113 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3114 else
3115 snprintf(buf, sizeof(buf),
3116 "%s,cyls=%d,heads=%d,secs=%d%s",
3117 HD_OPTS , cyls, heads, secs,
3118 translation == BIOS_ATA_TRANSLATION_LBA ?
3119 ",trans=lba" :
3120 translation == BIOS_ATA_TRANSLATION_NONE ?
3121 ",trans=none" : "");
3122 drive_add(IF_DEFAULT, 0, optarg, buf);
3123 break;
3124 }
3125 case QEMU_OPTION_hdb:
3126 case QEMU_OPTION_hdc:
3127 case QEMU_OPTION_hdd:
3128 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3129 HD_OPTS);
3130 break;
3131 case QEMU_OPTION_blockdev:
3132 {
3133 Visitor *v;
3134 BlockdevOptions_queue *bdo;
3135
3136 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3137 if (!v) {
3138 error_report_err(err);
3139 exit(1);
3140 }
3141
3142 bdo = g_new(BlockdevOptions_queue, 1);
3143 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3144 &error_fatal);
3145 visit_free(v);
3146 loc_save(&bdo->loc);
3147 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3148 break;
3149 }
3150 case QEMU_OPTION_drive:
3151 if (drive_def(optarg) == NULL) {
3152 exit(1);
3153 }
3154 break;
3155 case QEMU_OPTION_set:
3156 if (qemu_set_option(optarg) != 0)
3157 exit(1);
3158 break;
3159 case QEMU_OPTION_global:
3160 if (qemu_global_option(optarg) != 0)
3161 exit(1);
3162 break;
3163 case QEMU_OPTION_mtdblock:
3164 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3165 break;
3166 case QEMU_OPTION_sd:
3167 drive_add(IF_SD, -1, optarg, SD_OPTS);
3168 break;
3169 case QEMU_OPTION_pflash:
3170 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3171 break;
3172 case QEMU_OPTION_snapshot:
3173 snapshot = 1;
3174 break;
3175 case QEMU_OPTION_hdachs:
3176 {
3177 const char *p;
3178 p = optarg;
3179 cyls = strtol(p, (char **)&p, 0);
3180 if (cyls < 1 || cyls > 16383)
3181 goto chs_fail;
3182 if (*p != ',')
3183 goto chs_fail;
3184 p++;
3185 heads = strtol(p, (char **)&p, 0);
3186 if (heads < 1 || heads > 16)
3187 goto chs_fail;
3188 if (*p != ',')
3189 goto chs_fail;
3190 p++;
3191 secs = strtol(p, (char **)&p, 0);
3192 if (secs < 1 || secs > 63)
3193 goto chs_fail;
3194 if (*p == ',') {
3195 p++;
3196 if (!strcmp(p, "large")) {
3197 translation = BIOS_ATA_TRANSLATION_LARGE;
3198 } else if (!strcmp(p, "rechs")) {
3199 translation = BIOS_ATA_TRANSLATION_RECHS;
3200 } else if (!strcmp(p, "none")) {
3201 translation = BIOS_ATA_TRANSLATION_NONE;
3202 } else if (!strcmp(p, "lba")) {
3203 translation = BIOS_ATA_TRANSLATION_LBA;
3204 } else if (!strcmp(p, "auto")) {
3205 translation = BIOS_ATA_TRANSLATION_AUTO;
3206 } else {
3207 goto chs_fail;
3208 }
3209 } else if (*p != '\0') {
3210 chs_fail:
3211 error_report("invalid physical CHS format");
3212 exit(1);
3213 }
3214 if (hda_opts != NULL) {
3215 qemu_opt_set_number(hda_opts, "cyls", cyls,
3216 &error_abort);
3217 qemu_opt_set_number(hda_opts, "heads", heads,
3218 &error_abort);
3219 qemu_opt_set_number(hda_opts, "secs", secs,
3220 &error_abort);
3221 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3222 qemu_opt_set(hda_opts, "trans", "large",
3223 &error_abort);
3224 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3225 qemu_opt_set(hda_opts, "trans", "rechs",
3226 &error_abort);
3227 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3228 qemu_opt_set(hda_opts, "trans", "lba",
3229 &error_abort);
3230 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3231 qemu_opt_set(hda_opts, "trans", "none",
3232 &error_abort);
3233 }
3234 }
3235 }
3236 break;
3237 case QEMU_OPTION_numa:
3238 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3239 optarg, true);
3240 if (!opts) {
3241 exit(1);
3242 }
3243 break;
3244 case QEMU_OPTION_display:
3245 display_type = select_display(optarg);
3246 break;
3247 case QEMU_OPTION_nographic:
3248 olist = qemu_find_opts("machine");
3249 qemu_opts_parse_noisily(olist, "graphics=off", false);
3250 nographic = true;
3251 display_type = DT_NONE;
3252 break;
3253 case QEMU_OPTION_curses:
3254 #ifdef CONFIG_CURSES
3255 display_type = DT_CURSES;
3256 #else
3257 error_report("curses support is disabled");
3258 exit(1);
3259 #endif
3260 break;
3261 case QEMU_OPTION_portrait:
3262 graphic_rotate = 90;
3263 break;
3264 case QEMU_OPTION_rotate:
3265 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3266 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3267 graphic_rotate != 180 && graphic_rotate != 270) {
3268 error_report("only 90, 180, 270 deg rotation is available");
3269 exit(1);
3270 }
3271 break;
3272 case QEMU_OPTION_kernel:
3273 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3274 &error_abort);
3275 break;
3276 case QEMU_OPTION_initrd:
3277 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3278 &error_abort);
3279 break;
3280 case QEMU_OPTION_append:
3281 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3282 &error_abort);
3283 break;
3284 case QEMU_OPTION_dtb:
3285 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3286 &error_abort);
3287 break;
3288 case QEMU_OPTION_cdrom:
3289 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3290 break;
3291 case QEMU_OPTION_boot:
3292 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3293 optarg, true);
3294 if (!opts) {
3295 exit(1);
3296 }
3297 break;
3298 case QEMU_OPTION_fda:
3299 case QEMU_OPTION_fdb:
3300 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3301 optarg, FD_OPTS);
3302 break;
3303 case QEMU_OPTION_no_fd_bootchk:
3304 fd_bootchk = 0;
3305 break;
3306 case QEMU_OPTION_netdev:
3307 default_net = 0;
3308 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3309 exit(1);
3310 }
3311 break;
3312 case QEMU_OPTION_net:
3313 default_net = 0;
3314 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3315 exit(1);
3316 }
3317 break;
3318 #ifdef CONFIG_LIBISCSI
3319 case QEMU_OPTION_iscsi:
3320 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3321 optarg, false);
3322 if (!opts) {
3323 exit(1);
3324 }
3325 break;
3326 #endif
3327 #ifdef CONFIG_SLIRP
3328 case QEMU_OPTION_tftp:
3329 error_report("The -tftp option is deprecated. "
3330 "Please use '-netdev user,tftp=...' instead.");
3331 legacy_tftp_prefix = optarg;
3332 break;
3333 case QEMU_OPTION_bootp:
3334 error_report("The -bootp option is deprecated. "
3335 "Please use '-netdev user,bootfile=...' instead.");
3336 legacy_bootp_filename = optarg;
3337 break;
3338 case QEMU_OPTION_redir:
3339 error_report("The -redir option is deprecated. "
3340 "Please use '-netdev user,hostfwd=...' instead.");
3341 if (net_slirp_redir(optarg) < 0)
3342 exit(1);
3343 break;
3344 #endif
3345 case QEMU_OPTION_bt:
3346 add_device_config(DEV_BT, optarg);
3347 break;
3348 case QEMU_OPTION_audio_help:
3349 AUD_help ();
3350 exit (0);
3351 break;
3352 case QEMU_OPTION_soundhw:
3353 select_soundhw (optarg);
3354 break;
3355 case QEMU_OPTION_h:
3356 help(0);
3357 break;
3358 case QEMU_OPTION_version:
3359 version();
3360 exit(0);
3361 break;
3362 case QEMU_OPTION_m:
3363 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3364 optarg, true);
3365 if (!opts) {
3366 exit(EXIT_FAILURE);
3367 }
3368 break;
3369 #ifdef CONFIG_TPM
3370 case QEMU_OPTION_tpmdev:
3371 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3372 exit(1);
3373 }
3374 break;
3375 #endif
3376 case QEMU_OPTION_mempath:
3377 mem_path = optarg;
3378 break;
3379 case QEMU_OPTION_mem_prealloc:
3380 mem_prealloc = 1;
3381 break;
3382 case QEMU_OPTION_d:
3383 log_mask = optarg;
3384 break;
3385 case QEMU_OPTION_D:
3386 log_file = optarg;
3387 break;
3388 case QEMU_OPTION_DFILTER:
3389 qemu_set_dfilter_ranges(optarg, &error_fatal);
3390 break;
3391 case QEMU_OPTION_s:
3392 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3393 break;
3394 case QEMU_OPTION_gdb:
3395 add_device_config(DEV_GDB, optarg);
3396 break;
3397 case QEMU_OPTION_L:
3398 if (is_help_option(optarg)) {
3399 list_data_dirs = true;
3400 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3401 data_dir[data_dir_idx++] = optarg;
3402 }
3403 break;
3404 case QEMU_OPTION_bios:
3405 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3406 &error_abort);
3407 break;
3408 case QEMU_OPTION_singlestep:
3409 singlestep = 1;
3410 break;
3411 case QEMU_OPTION_S:
3412 autostart = 0;
3413 break;
3414 case QEMU_OPTION_k:
3415 keyboard_layout = optarg;
3416 break;
3417 case QEMU_OPTION_localtime:
3418 rtc_utc = 0;
3419 break;
3420 case QEMU_OPTION_vga:
3421 vga_model = optarg;
3422 default_vga = 0;
3423 break;
3424 case QEMU_OPTION_g:
3425 {
3426 const char *p;
3427 int w, h, depth;
3428 p = optarg;
3429 w = strtol(p, (char **)&p, 10);
3430 if (w <= 0) {
3431 graphic_error:
3432 error_report("invalid resolution or depth");
3433 exit(1);
3434 }
3435 if (*p != 'x')
3436 goto graphic_error;
3437 p++;
3438 h = strtol(p, (char **)&p, 10);
3439 if (h <= 0)
3440 goto graphic_error;
3441 if (*p == 'x') {
3442 p++;
3443 depth = strtol(p, (char **)&p, 10);
3444 if (depth != 8 && depth != 15 && depth != 16 &&
3445 depth != 24 && depth != 32)
3446 goto graphic_error;
3447 } else if (*p == '\0') {
3448 depth = graphic_depth;
3449 } else {
3450 goto graphic_error;
3451 }
3452
3453 graphic_width = w;
3454 graphic_height = h;
3455 graphic_depth = depth;
3456 }
3457 break;
3458 case QEMU_OPTION_echr:
3459 {
3460 char *r;
3461 term_escape_char = strtol(optarg, &r, 0);
3462 if (r == optarg)
3463 printf("Bad argument to echr\n");
3464 break;
3465 }
3466 case QEMU_OPTION_monitor:
3467 default_monitor = 0;
3468 if (strncmp(optarg, "none", 4)) {
3469 monitor_parse(optarg, "readline", false);
3470 }
3471 break;
3472 case QEMU_OPTION_qmp:
3473 monitor_parse(optarg, "control", false);
3474 default_monitor = 0;
3475 break;
3476 case QEMU_OPTION_qmp_pretty:
3477 monitor_parse(optarg, "control", true);
3478 default_monitor = 0;
3479 break;
3480 case QEMU_OPTION_mon:
3481 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3482 true);
3483 if (!opts) {
3484 exit(1);
3485 }
3486 default_monitor = 0;
3487 break;
3488 case QEMU_OPTION_chardev:
3489 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3490 optarg, true);
3491 if (!opts) {
3492 exit(1);
3493 }
3494 break;
3495 case QEMU_OPTION_fsdev:
3496 olist = qemu_find_opts("fsdev");
3497 if (!olist) {
3498 error_report("fsdev support is disabled");
3499 exit(1);
3500 }
3501 opts = qemu_opts_parse_noisily(olist, optarg, true);
3502 if (!opts) {
3503 exit(1);
3504 }
3505 break;
3506 case QEMU_OPTION_virtfs: {
3507 QemuOpts *fsdev;
3508 QemuOpts *device;
3509 const char *writeout, *sock_fd, *socket;
3510
3511 olist = qemu_find_opts("virtfs");
3512 if (!olist) {
3513 error_report("virtfs support is disabled");
3514 exit(1);
3515 }
3516 opts = qemu_opts_parse_noisily(olist, optarg, true);
3517 if (!opts) {
3518 exit(1);
3519 }
3520
3521 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3522 qemu_opt_get(opts, "mount_tag") == NULL) {
3523 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3524 exit(1);
3525 }
3526 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3527 qemu_opt_get(opts, "mount_tag"),
3528 1, NULL);
3529 if (!fsdev) {
3530 error_report("duplicate fsdev id: %s",
3531 qemu_opt_get(opts, "mount_tag"));
3532 exit(1);
3533 }
3534
3535 writeout = qemu_opt_get(opts, "writeout");
3536 if (writeout) {
3537 #ifdef CONFIG_SYNC_FILE_RANGE
3538 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3539 #else
3540 error_report("writeout=immediate not supported "
3541 "on this platform");
3542 exit(1);
3543 #endif
3544 }
3545 qemu_opt_set(fsdev, "fsdriver",
3546 qemu_opt_get(opts, "fsdriver"), &error_abort);
3547 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3548 &error_abort);
3549 qemu_opt_set(fsdev, "security_model",
3550 qemu_opt_get(opts, "security_model"),
3551 &error_abort);
3552 socket = qemu_opt_get(opts, "socket");
3553 if (socket) {
3554 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3555 }
3556 sock_fd = qemu_opt_get(opts, "sock_fd");
3557 if (sock_fd) {
3558 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3559 }
3560
3561 qemu_opt_set_bool(fsdev, "readonly",
3562 qemu_opt_get_bool(opts, "readonly", 0),
3563 &error_abort);
3564 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3565 &error_abort);
3566 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3567 qemu_opt_set(device, "fsdev",
3568 qemu_opt_get(opts, "mount_tag"), &error_abort);
3569 qemu_opt_set(device, "mount_tag",
3570 qemu_opt_get(opts, "mount_tag"), &error_abort);
3571 break;
3572 }
3573 case QEMU_OPTION_virtfs_synth: {
3574 QemuOpts *fsdev;
3575 QemuOpts *device;
3576
3577 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3578 1, NULL);
3579 if (!fsdev) {
3580 error_report("duplicate option: %s", "virtfs_synth");
3581 exit(1);
3582 }
3583 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3584
3585 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3586 &error_abort);
3587 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3588 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3589 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3590 break;
3591 }
3592 case QEMU_OPTION_serial:
3593 add_device_config(DEV_SERIAL, optarg);
3594 default_serial = 0;
3595 if (strncmp(optarg, "mon:", 4) == 0) {
3596 default_monitor = 0;
3597 }
3598 break;
3599 case QEMU_OPTION_watchdog:
3600 if (watchdog) {
3601 error_report("only one watchdog option may be given");
3602 return 1;
3603 }
3604 watchdog = optarg;
3605 break;
3606 case QEMU_OPTION_watchdog_action:
3607 if (select_watchdog_action(optarg) == -1) {
3608 error_report("unknown -watchdog-action parameter");
3609 exit(1);
3610 }
3611 break;
3612 case QEMU_OPTION_virtiocon:
3613 add_device_config(DEV_VIRTCON, optarg);
3614 default_virtcon = 0;
3615 if (strncmp(optarg, "mon:", 4) == 0) {
3616 default_monitor = 0;
3617 }
3618 break;
3619 case QEMU_OPTION_parallel:
3620 add_device_config(DEV_PARALLEL, optarg);
3621 default_parallel = 0;
3622 if (strncmp(optarg, "mon:", 4) == 0) {
3623 default_monitor = 0;
3624 }
3625 break;
3626 case QEMU_OPTION_debugcon:
3627 add_device_config(DEV_DEBUGCON, optarg);
3628 break;
3629 case QEMU_OPTION_loadvm:
3630 loadvm = optarg;
3631 break;
3632 case QEMU_OPTION_full_screen:
3633 full_screen = 1;
3634 break;
3635 case QEMU_OPTION_no_frame:
3636 no_frame = 1;
3637 break;
3638 case QEMU_OPTION_alt_grab:
3639 alt_grab = 1;
3640 break;
3641 case QEMU_OPTION_ctrl_grab:
3642 ctrl_grab = 1;
3643 break;
3644 case QEMU_OPTION_no_quit:
3645 no_quit = 1;
3646 break;
3647 case QEMU_OPTION_sdl:
3648 #ifdef CONFIG_SDL
3649 display_type = DT_SDL;
3650 break;
3651 #else
3652 error_report("SDL support is disabled");
3653 exit(1);
3654 #endif
3655 case QEMU_OPTION_pidfile:
3656 pid_file = optarg;
3657 break;
3658 case QEMU_OPTION_win2k_hack:
3659 win2k_install_hack = 1;
3660 break;
3661 case QEMU_OPTION_rtc_td_hack: {
3662 static GlobalProperty slew_lost_ticks = {
3663 .driver = "mc146818rtc",
3664 .property = "lost_tick_policy",
3665 .value = "slew",
3666 };
3667
3668 qdev_prop_register_global(&slew_lost_ticks);
3669 break;
3670 }
3671 case QEMU_OPTION_acpitable:
3672 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3673 optarg, true);
3674 if (!opts) {
3675 exit(1);
3676 }
3677 acpi_table_add(opts, &error_fatal);
3678 break;
3679 case QEMU_OPTION_smbios:
3680 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3681 optarg, false);
3682 if (!opts) {
3683 exit(1);
3684 }
3685 smbios_entry_add(opts, &error_fatal);
3686 break;
3687 case QEMU_OPTION_fwcfg:
3688 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3689 optarg, true);
3690 if (opts == NULL) {
3691 exit(1);
3692 }
3693 break;
3694 case QEMU_OPTION_enable_kvm:
3695 olist = qemu_find_opts("machine");
3696 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3697 break;
3698 case QEMU_OPTION_enable_hax:
3699 olist = qemu_find_opts("machine");
3700 qemu_opts_parse_noisily(olist, "accel=hax", false);
3701 break;
3702 case QEMU_OPTION_M:
3703 case QEMU_OPTION_machine:
3704 olist = qemu_find_opts("machine");
3705 opts = qemu_opts_parse_noisily(olist, optarg, true);
3706 if (!opts) {
3707 exit(1);
3708 }
3709 break;
3710 case QEMU_OPTION_no_kvm:
3711 olist = qemu_find_opts("machine");
3712 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3713 break;
3714 case QEMU_OPTION_no_kvm_pit: {
3715 error_report("warning: ignoring deprecated option");
3716 break;
3717 }
3718 case QEMU_OPTION_no_kvm_pit_reinjection: {
3719 static GlobalProperty kvm_pit_lost_tick_policy = {
3720 .driver = "kvm-pit",
3721 .property = "lost_tick_policy",
3722 .value = "discard",
3723 };
3724
3725 error_report("warning: deprecated, replaced by "
3726 "-global kvm-pit.lost_tick_policy=discard");
3727 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3728 break;
3729 }
3730 case QEMU_OPTION_accel:
3731 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3732 optarg, true);
3733 optarg = qemu_opt_get(accel_opts, "accel");
3734
3735 olist = qemu_find_opts("machine");
3736 if (strcmp("kvm", optarg) == 0) {
3737 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3738 } else if (strcmp("xen", optarg) == 0) {
3739 qemu_opts_parse_noisily(olist, "accel=xen", false);
3740 } else if (strcmp("tcg", optarg) == 0) {
3741 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3742 } else {
3743 if (!is_help_option(optarg)) {
3744 error_printf("Unknown accelerator: %s", optarg);
3745 }
3746 error_printf("Supported accelerators: kvm, xen, tcg\n");
3747 exit(1);
3748 }
3749 break;
3750 case QEMU_OPTION_usb:
3751 olist = qemu_find_opts("machine");
3752 qemu_opts_parse_noisily(olist, "usb=on", false);
3753 break;
3754 case QEMU_OPTION_usbdevice:
3755 olist = qemu_find_opts("machine");
3756 qemu_opts_parse_noisily(olist, "usb=on", false);
3757 add_device_config(DEV_USB, optarg);
3758 break;
3759 case QEMU_OPTION_device:
3760 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3761 optarg, true)) {
3762 exit(1);
3763 }
3764 break;
3765 case QEMU_OPTION_smp:
3766 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3767 optarg, true)) {
3768 exit(1);
3769 }
3770 break;
3771 case QEMU_OPTION_vnc:
3772 vnc_parse(optarg, &error_fatal);
3773 break;
3774 case QEMU_OPTION_no_acpi:
3775 acpi_enabled = 0;
3776 break;
3777 case QEMU_OPTION_no_hpet:
3778 no_hpet = 1;
3779 break;
3780 case QEMU_OPTION_balloon:
3781 if (balloon_parse(optarg) < 0) {
3782 error_report("unknown -balloon argument %s", optarg);
3783 exit(1);
3784 }
3785 break;
3786 case QEMU_OPTION_no_reboot:
3787 no_reboot = 1;
3788 break;
3789 case QEMU_OPTION_no_shutdown:
3790 no_shutdown = 1;
3791 break;
3792 case QEMU_OPTION_show_cursor:
3793 cursor_hide = 0;
3794 break;
3795 case QEMU_OPTION_uuid:
3796 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3797 error_report("failed to parse UUID string: wrong format");
3798 exit(1);
3799 }
3800 qemu_uuid_set = true;
3801 break;
3802 case QEMU_OPTION_option_rom:
3803 if (nb_option_roms >= MAX_OPTION_ROMS) {
3804 error_report("too many option ROMs");
3805 exit(1);
3806 }
3807 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3808 optarg, true);
3809 if (!opts) {
3810 exit(1);
3811 }
3812 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3813 option_rom[nb_option_roms].bootindex =
3814 qemu_opt_get_number(opts, "bootindex", -1);
3815 if (!option_rom[nb_option_roms].name) {
3816 error_report("Option ROM file is not specified");
3817 exit(1);
3818 }
3819 nb_option_roms++;
3820 break;
3821 case QEMU_OPTION_semihosting:
3822 semihosting.enabled = true;
3823 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3824 break;
3825 case QEMU_OPTION_semihosting_config:
3826 semihosting.enabled = true;
3827 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3828 optarg, false);
3829 if (opts != NULL) {
3830 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3831 true);
3832 const char *target = qemu_opt_get(opts, "target");
3833 if (target != NULL) {
3834 if (strcmp("native", target) == 0) {
3835 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3836 } else if (strcmp("gdb", target) == 0) {
3837 semihosting.target = SEMIHOSTING_TARGET_GDB;
3838 } else if (strcmp("auto", target) == 0) {
3839 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3840 } else {
3841 error_report("unsupported semihosting-config %s",
3842 optarg);
3843 exit(1);
3844 }
3845 } else {
3846 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3847 }
3848 /* Set semihosting argument count and vector */
3849 qemu_opt_foreach(opts, add_semihosting_arg,
3850 &semihosting, NULL);
3851 } else {
3852 error_report("unsupported semihosting-config %s", optarg);
3853 exit(1);
3854 }
3855 break;
3856 case QEMU_OPTION_tdf:
3857 error_report("warning: ignoring deprecated option");
3858 break;
3859 case QEMU_OPTION_name:
3860 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3861 optarg, true);
3862 if (!opts) {
3863 exit(1);
3864 }
3865 break;
3866 case QEMU_OPTION_prom_env:
3867 if (nb_prom_envs >= MAX_PROM_ENVS) {
3868 error_report("too many prom variables");
3869 exit(1);
3870 }
3871 prom_envs[nb_prom_envs] = optarg;
3872 nb_prom_envs++;
3873 break;
3874 case QEMU_OPTION_old_param:
3875 old_param = 1;
3876 break;
3877 case QEMU_OPTION_clock:
3878 /* Clock options no longer exist. Keep this option for
3879 * backward compatibility.
3880 */
3881 break;
3882 case QEMU_OPTION_startdate:
3883 configure_rtc_date_offset(optarg, 1);
3884 break;
3885 case QEMU_OPTION_rtc:
3886 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3887 false);
3888 if (!opts) {
3889 exit(1);
3890 }
3891 configure_rtc(opts);
3892 break;
3893 case QEMU_OPTION_tb_size:
3894 tcg_tb_size = strtol(optarg, NULL, 0);
3895 if (tcg_tb_size < 0) {
3896 tcg_tb_size = 0;
3897 }
3898 break;
3899 case QEMU_OPTION_icount:
3900 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3901 optarg, true);
3902 if (!icount_opts) {
3903 exit(1);
3904 }
3905 break;
3906 case QEMU_OPTION_incoming:
3907 if (!incoming) {
3908 runstate_set(RUN_STATE_INMIGRATE);
3909 }
3910 incoming = optarg;
3911 break;
3912 case QEMU_OPTION_only_migratable:
3913 only_migratable = 1;
3914 break;
3915 case QEMU_OPTION_nodefaults:
3916 has_defaults = 0;
3917 break;
3918 case QEMU_OPTION_xen_domid:
3919 if (!(xen_available())) {
3920 error_report("Option not supported for this target");
3921 exit(1);
3922 }
3923 xen_domid = atoi(optarg);
3924 break;
3925 case QEMU_OPTION_xen_create:
3926 if (!(xen_available())) {
3927 error_report("Option not supported for this target");
3928 exit(1);
3929 }
3930 xen_mode = XEN_CREATE;
3931 break;
3932 case QEMU_OPTION_xen_attach:
3933 if (!(xen_available())) {
3934 error_report("Option not supported for this target");
3935 exit(1);
3936 }
3937 xen_mode = XEN_ATTACH;
3938 break;
3939 case QEMU_OPTION_trace:
3940 g_free(trace_file);
3941 trace_file = trace_opt_parse(optarg);
3942 break;
3943 case QEMU_OPTION_readconfig:
3944 {
3945 int ret = qemu_read_config_file(optarg);
3946 if (ret < 0) {
3947 error_report("read config %s: %s", optarg,
3948 strerror(-ret));
3949 exit(1);
3950 }
3951 break;
3952 }
3953 case QEMU_OPTION_spice:
3954 olist = qemu_find_opts("spice");
3955 if (!olist) {
3956 error_report("spice support is disabled");
3957 exit(1);
3958 }
3959 opts = qemu_opts_parse_noisily(olist, optarg, false);
3960 if (!opts) {
3961 exit(1);
3962 }
3963 display_remote++;
3964 break;
3965 case QEMU_OPTION_writeconfig:
3966 {
3967 FILE *fp;
3968 if (strcmp(optarg, "-") == 0) {
3969 fp = stdout;
3970 } else {
3971 fp = fopen(optarg, "w");
3972 if (fp == NULL) {
3973 error_report("open %s: %s", optarg,
3974 strerror(errno));
3975 exit(1);
3976 }
3977 }
3978 qemu_config_write(fp);
3979 if (fp != stdout) {
3980 fclose(fp);
3981 }
3982 break;
3983 }
3984 case QEMU_OPTION_qtest:
3985 qtest_chrdev = optarg;
3986 break;
3987 case QEMU_OPTION_qtest_log:
3988 qtest_log = optarg;
3989 break;
3990 case QEMU_OPTION_sandbox:
3991 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3992 optarg, true);
3993 if (!opts) {
3994 exit(1);
3995 }
3996 break;
3997 case QEMU_OPTION_add_fd:
3998 #ifndef _WIN32
3999 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4000 optarg, false);
4001 if (!opts) {
4002 exit(1);
4003 }
4004 #else
4005 error_report("File descriptor passing is disabled on this "
4006 "platform");
4007 exit(1);
4008 #endif
4009 break;
4010 case QEMU_OPTION_object:
4011 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4012 optarg, true);
4013 if (!opts) {
4014 exit(1);
4015 }
4016 break;
4017 case QEMU_OPTION_realtime:
4018 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4019 optarg, false);
4020 if (!opts) {
4021 exit(1);
4022 }
4023 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4024 break;
4025 case QEMU_OPTION_msg:
4026 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4027 false);
4028 if (!opts) {
4029 exit(1);
4030 }
4031 configure_msg(opts);
4032 break;
4033 case QEMU_OPTION_dump_vmstate:
4034 if (vmstate_dump_file) {
4035 error_report("only one '-dump-vmstate' "
4036 "option may be given");
4037 exit(1);
4038 }
4039 vmstate_dump_file = fopen(optarg, "w");
4040 if (vmstate_dump_file == NULL) {
4041 error_report("open %s: %s", optarg, strerror(errno));
4042 exit(1);
4043 }
4044 break;
4045 default:
4046 os_parse_cmd_args(popt->index, optarg);
4047 }
4048 }
4049 }
4050 /*
4051 * Clear error location left behind by the loop.
4052 * Best done right after the loop. Do not insert code here!
4053 */
4054 loc_set_none();
4055
4056 replay_configure(icount_opts);
4057
4058 machine_class = select_machine();
4059
4060 set_memory_options(&ram_slots, &maxram_size, machine_class);
4061
4062 os_daemonize();
4063
4064 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4065 error_report("could not acquire pid file: %s", strerror(errno));
4066 exit(1);
4067 }
4068
4069 if (qemu_init_main_loop(&main_loop_err)) {
4070 error_report_err(main_loop_err);
4071 exit(1);
4072 }
4073
4074 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4075 parse_sandbox, NULL, NULL)) {
4076 exit(1);
4077 }
4078
4079 if (qemu_opts_foreach(qemu_find_opts("name"),
4080 parse_name, NULL, NULL)) {
4081 exit(1);
4082 }
4083
4084 #ifndef _WIN32
4085 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4086 parse_add_fd, NULL, NULL)) {
4087 exit(1);
4088 }
4089
4090 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4091 cleanup_add_fd, NULL, NULL)) {
4092 exit(1);
4093 }
4094 #endif
4095
4096 current_machine = MACHINE(object_new(object_class_get_name(
4097 OBJECT_CLASS(machine_class))));
4098 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4099 exit(0);
4100 }
4101 object_property_add_child(object_get_root(), "machine",
4102 OBJECT(current_machine), &error_abort);
4103
4104 if (machine_class->minimum_page_bits) {
4105 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4106 /* This would be a board error: specifying a minimum smaller than
4107 * a target's compile-time fixed setting.
4108 */
4109 g_assert_not_reached();
4110 }
4111 }
4112
4113 cpu_exec_init_all();
4114
4115 if (machine_class->hw_version) {
4116 qemu_set_hw_version(machine_class->hw_version);
4117 }
4118
4119 if (cpu_model && is_help_option(cpu_model)) {
4120 list_cpus(stdout, &fprintf, cpu_model);
4121 exit(0);
4122 }
4123
4124 if (!trace_init_backends()) {
4125 exit(1);
4126 }
4127 trace_init_file(trace_file);
4128
4129 /* Open the logfile at this point and set the log mask if necessary.
4130 */
4131 if (log_file) {
4132 qemu_set_log_filename(log_file, &error_fatal);
4133 }
4134
4135 if (log_mask) {
4136 int mask;
4137 mask = qemu_str_to_log_mask(log_mask);
4138 if (!mask) {
4139 qemu_print_log_usage(stdout);
4140 exit(1);
4141 }
4142 qemu_set_log(mask);
4143 } else {
4144 qemu_set_log(0);
4145 }
4146
4147 /* If no data_dir is specified then try to find it relative to the
4148 executable path. */
4149 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4150 data_dir[data_dir_idx] = os_find_datadir();
4151 if (data_dir[data_dir_idx] != NULL) {
4152 data_dir_idx++;
4153 }
4154 }
4155 /* If all else fails use the install path specified when building. */
4156 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4157 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4158 }
4159
4160 /* -L help lists the data directories and exits. */
4161 if (list_data_dirs) {
4162 for (i = 0; i < data_dir_idx; i++) {
4163 printf("%s\n", data_dir[i]);
4164 }
4165 exit(0);
4166 }
4167
4168 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4169
4170 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4171 if (max_cpus > machine_class->max_cpus) {
4172 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4173 "supported by machine '%s' (%d)", max_cpus,
4174 machine_class->name, machine_class->max_cpus);
4175 exit(1);
4176 }
4177
4178 /*
4179 * Get the default machine options from the machine if it is not already
4180 * specified either by the configuration file or by the command line.
4181 */
4182 if (machine_class->default_machine_opts) {
4183 qemu_opts_set_defaults(qemu_find_opts("machine"),
4184 machine_class->default_machine_opts, 0);
4185 }
4186
4187 qemu_opts_foreach(qemu_find_opts("device"),
4188 default_driver_check, NULL, NULL);
4189 qemu_opts_foreach(qemu_find_opts("global"),
4190 default_driver_check, NULL, NULL);
4191
4192 if (!vga_model && !default_vga) {
4193 vga_interface_type = VGA_DEVICE;
4194 }
4195 if (!has_defaults || machine_class->no_serial) {
4196 default_serial = 0;
4197 }
4198 if (!has_defaults || machine_class->no_parallel) {
4199 default_parallel = 0;
4200 }
4201 if (!has_defaults || !machine_class->use_virtcon) {
4202 default_virtcon = 0;
4203 }
4204 if (!has_defaults || !machine_class->use_sclp) {
4205 default_sclp = 0;
4206 }
4207 if (!has_defaults || machine_class->no_floppy) {
4208 default_floppy = 0;
4209 }
4210 if (!has_defaults || machine_class->no_cdrom) {
4211 default_cdrom = 0;
4212 }
4213 if (!has_defaults || machine_class->no_sdcard) {
4214 default_sdcard = 0;
4215 }
4216 if (!has_defaults) {
4217 default_monitor = 0;
4218 default_net = 0;
4219 default_vga = 0;
4220 }
4221
4222 if (is_daemonized()) {
4223 /* According to documentation and historically, -nographic redirects
4224 * serial port, parallel port and monitor to stdio, which does not work
4225 * with -daemonize. We can redirect these to null instead, but since
4226 * -nographic is legacy, let's just error out.
4227 * We disallow -nographic only if all other ports are not redirected
4228 * explicitly, to not break existing legacy setups which uses
4229 * -nographic _and_ redirects all ports explicitly - this is valid
4230 * usage, -nographic is just a no-op in this case.
4231 */
4232 if (nographic
4233 && (default_parallel || default_serial
4234 || default_monitor || default_virtcon)) {
4235 error_report("-nographic cannot be used with -daemonize");
4236 exit(1);
4237 }
4238 #ifdef CONFIG_CURSES
4239 if (display_type == DT_CURSES) {
4240 error_report("curses display cannot be used with -daemonize");
4241 exit(1);
4242 }
4243 #endif
4244 }
4245
4246 if (nographic) {
4247 if (default_parallel)
4248 add_device_config(DEV_PARALLEL, "null");
4249 if (default_serial && default_monitor) {
4250 add_device_config(DEV_SERIAL, "mon:stdio");
4251 } else if (default_virtcon && default_monitor) {
4252 add_device_config(DEV_VIRTCON, "mon:stdio");
4253 } else if (default_sclp && default_monitor) {
4254 add_device_config(DEV_SCLP, "mon:stdio");
4255 } else {
4256 if (default_serial)
4257 add_device_config(DEV_SERIAL, "stdio");
4258 if (default_virtcon)
4259 add_device_config(DEV_VIRTCON, "stdio");
4260 if (default_sclp) {
4261 add_device_config(DEV_SCLP, "stdio");
4262 }
4263 if (default_monitor)
4264 monitor_parse("stdio", "readline", false);
4265 }
4266 } else {
4267 if (default_serial)
4268 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4269 if (default_parallel)
4270 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4271 if (default_monitor)
4272 monitor_parse("vc:80Cx24C", "readline", false);
4273 if (default_virtcon)
4274 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4275 if (default_sclp) {
4276 add_device_config(DEV_SCLP, "vc:80Cx24C");
4277 }
4278 }
4279
4280 #if defined(CONFIG_VNC)
4281 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4282 display_remote++;
4283 }
4284 #endif
4285 if (display_type == DT_DEFAULT && !display_remote) {
4286 #if defined(CONFIG_GTK)
4287 display_type = DT_GTK;
4288 #elif defined(CONFIG_SDL)
4289 display_type = DT_SDL;
4290 #elif defined(CONFIG_COCOA)
4291 display_type = DT_COCOA;
4292 #elif defined(CONFIG_VNC)
4293 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4294 #else
4295 display_type = DT_NONE;
4296 #endif
4297 }
4298
4299 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4300 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4301 "for SDL, ignoring option");
4302 }
4303 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4304 error_report("-no-quit is only valid for GTK and SDL, "
4305 "ignoring option");
4306 }
4307
4308 if (display_type == DT_GTK) {
4309 early_gtk_display_init(request_opengl);
4310 }
4311
4312 if (display_type == DT_SDL) {
4313 sdl_display_early_init(request_opengl);
4314 }
4315
4316 qemu_console_early_init();
4317
4318 if (request_opengl == 1 && display_opengl == 0) {
4319 #if defined(CONFIG_OPENGL)
4320 error_report("OpenGL is not supported by the display");
4321 #else
4322 error_report("OpenGL support is disabled");
4323 #endif
4324 exit(1);
4325 }
4326
4327 page_size_init();
4328 socket_init();
4329
4330 if (qemu_opts_foreach(qemu_find_opts("object"),
4331 user_creatable_add_opts_foreach,
4332 object_create_initial, NULL)) {
4333 exit(1);
4334 }
4335
4336 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4337 chardev_init_func, NULL, NULL)) {
4338 exit(1);
4339 }
4340
4341 #ifdef CONFIG_VIRTFS
4342 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4343 fsdev_init_func, NULL, NULL)) {
4344 exit(1);
4345 }
4346 #endif
4347
4348 if (qemu_opts_foreach(qemu_find_opts("device"),
4349 device_help_func, NULL, NULL)) {
4350 exit(0);
4351 }
4352
4353 machine_opts = qemu_get_machine_opts();
4354 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4355 NULL)) {
4356 object_unref(OBJECT(current_machine));
4357 exit(1);
4358 }
4359
4360 configure_accelerator(current_machine);
4361
4362 if (qtest_chrdev) {
4363 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4364 }
4365
4366 machine_opts = qemu_get_machine_opts();
4367 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4368 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4369 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4370 bios_name = qemu_opt_get(machine_opts, "firmware");
4371
4372 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4373 if (opts) {
4374 boot_order = qemu_opt_get(opts, "order");
4375 if (boot_order) {
4376 validate_bootdevices(boot_order, &error_fatal);
4377 }
4378
4379 boot_once = qemu_opt_get(opts, "once");
4380 if (boot_once) {
4381 validate_bootdevices(boot_once, &error_fatal);
4382 }
4383
4384 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4385 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4386 }
4387
4388 if (!boot_order) {
4389 boot_order = machine_class->default_boot_order;
4390 }
4391
4392 if (!kernel_cmdline) {
4393 kernel_cmdline = "";
4394 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4395 }
4396
4397 linux_boot = (kernel_filename != NULL);
4398
4399 if (!linux_boot && *kernel_cmdline != '\0') {
4400 error_report("-append only allowed with -kernel option");
4401 exit(1);
4402 }
4403
4404 if (!linux_boot && initrd_filename != NULL) {
4405 error_report("-initrd only allowed with -kernel option");
4406 exit(1);
4407 }
4408
4409 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4410 /* fall back to the -kernel/-append */
4411 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4412 }
4413
4414 os_set_line_buffering();
4415
4416 /* spice needs the timers to be initialized by this point */
4417 qemu_spice_init();
4418
4419 cpu_ticks_init();
4420 if (icount_opts) {
4421 if (!tcg_enabled()) {
4422 error_report("-icount is not allowed with hardware virtualization");
4423 exit(1);
4424 }
4425 configure_icount(icount_opts, &error_abort);
4426 qemu_opts_del(icount_opts);
4427 }
4428
4429 qemu_tcg_configure(accel_opts, &error_fatal);
4430
4431 if (default_net) {
4432 QemuOptsList *net = qemu_find_opts("net");
4433 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4434 #ifdef CONFIG_SLIRP
4435 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4436 #endif
4437 }
4438
4439 colo_info_init();
4440
4441 if (net_init_clients() < 0) {
4442 exit(1);
4443 }
4444
4445 if (qemu_opts_foreach(qemu_find_opts("object"),
4446 user_creatable_add_opts_foreach,
4447 object_create_delayed, NULL)) {
4448 exit(1);
4449 }
4450
4451 #ifdef CONFIG_TPM
4452 if (tpm_init() < 0) {
4453 exit(1);
4454 }
4455 #endif
4456
4457 /* init the bluetooth world */
4458 if (foreach_device_config(DEV_BT, bt_parse))
4459 exit(1);
4460
4461 if (!xen_enabled()) {
4462 /* On 32-bit hosts, QEMU is limited by virtual address space */
4463 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4464 error_report("at most 2047 MB RAM can be simulated");
4465 exit(1);
4466 }
4467 }
4468
4469 blk_mig_init();
4470 ram_mig_init();
4471
4472 /* If the currently selected machine wishes to override the units-per-bus
4473 * property of its default HBA interface type, do so now. */
4474 if (machine_class->units_per_default_bus) {
4475 override_max_devs(machine_class->block_default_type,
4476 machine_class->units_per_default_bus);
4477 }
4478
4479 /* open the virtual block devices */
4480 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4481 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4482
4483 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4484 loc_push_restore(&bdo->loc);
4485 qmp_blockdev_add(bdo->bdo, &error_fatal);
4486 loc_pop(&bdo->loc);
4487 qapi_free_BlockdevOptions(bdo->bdo);
4488 g_free(bdo);
4489 }
4490 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4491 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4492 NULL, NULL);
4493 }
4494 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4495 &machine_class->block_default_type, NULL)) {
4496 exit(1);
4497 }
4498
4499 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4500 CDROM_OPTS);
4501 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4502 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4503
4504 parse_numa_opts(machine_class);
4505
4506 if (qemu_opts_foreach(qemu_find_opts("mon"),
4507 mon_init_func, NULL, NULL)) {
4508 exit(1);
4509 }
4510
4511 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4512 exit(1);
4513 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4514 exit(1);
4515 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4516 exit(1);
4517 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4518 exit(1);
4519 }
4520 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4521 exit(1);
4522
4523 /* If no default VGA is requested, the default is "none". */
4524 if (default_vga) {
4525 if (machine_class->default_display) {
4526 vga_model = machine_class->default_display;
4527 } else if (vga_interface_available(VGA_CIRRUS)) {
4528 vga_model = "cirrus";
4529 } else if (vga_interface_available(VGA_STD)) {
4530 vga_model = "std";
4531 }
4532 }
4533 if (vga_model) {
4534 select_vgahw(vga_model);
4535 }
4536
4537 if (watchdog) {
4538 i = select_watchdog(watchdog);
4539 if (i > 0)
4540 exit (i == 1 ? 1 : 0);
4541 }
4542
4543 machine_register_compat_props(current_machine);
4544
4545 qemu_opts_foreach(qemu_find_opts("global"),
4546 global_init_func, NULL, NULL);
4547
4548 /* This checkpoint is required by replay to separate prior clock
4549 reading from the other reads, because timer polling functions query
4550 clock values from the log. */
4551 replay_checkpoint(CHECKPOINT_INIT);
4552 qdev_machine_init();
4553
4554 current_machine->ram_size = ram_size;
4555 current_machine->maxram_size = maxram_size;
4556 current_machine->ram_slots = ram_slots;
4557 current_machine->boot_order = boot_order;
4558 current_machine->cpu_model = cpu_model;
4559
4560 machine_class->init(current_machine);
4561
4562 realtime_init();
4563
4564 audio_init();
4565
4566 if (hax_enabled()) {
4567 hax_sync_vcpus();
4568 }
4569
4570 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4571 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4572 exit(1);
4573 }
4574
4575 /* init USB devices */
4576 if (machine_usb(current_machine)) {
4577 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4578 exit(1);
4579 }
4580
4581 /* Check if IGD GFX passthrough. */
4582 igd_gfx_passthru();
4583
4584 /* init generic devices */
4585 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4586 if (qemu_opts_foreach(qemu_find_opts("device"),
4587 device_init_func, NULL, NULL)) {
4588 exit(1);
4589 }
4590
4591 cpu_synchronize_all_post_init();
4592
4593 numa_post_machine_init();
4594
4595 rom_reset_order_override();
4596
4597 /*
4598 * Create frontends for -drive if=scsi leftovers.
4599 * Normally, frontends for -drive get created by machine
4600 * initialization for onboard SCSI HBAs. However, we create a few
4601 * more ever since SCSI qdevification, but this is pretty much an
4602 * implementation accident, and deprecated.
4603 */
4604 scsi_legacy_handle_cmdline();
4605
4606 /* Did we create any drives that we failed to create a device for? */
4607 drive_check_orphaned();
4608
4609 /* Don't warn about the default network setup that you get if
4610 * no command line -net or -netdev options are specified. There
4611 * are two cases that we would otherwise complain about:
4612 * (1) board doesn't support a NIC but the implicit "-net nic"
4613 * requested one
4614 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4615 * sets up a nic that isn't connected to anything.
4616 */
4617 if (!default_net) {
4618 net_check_clients();
4619 }
4620
4621
4622 if (boot_once) {
4623 qemu_boot_set(boot_once, &error_fatal);
4624 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4625 }
4626
4627 ds = init_displaystate();
4628
4629 /* init local displays */
4630 switch (display_type) {
4631 case DT_CURSES:
4632 curses_display_init(ds, full_screen);
4633 break;
4634 case DT_SDL:
4635 sdl_display_init(ds, full_screen, no_frame);
4636 break;
4637 case DT_COCOA:
4638 cocoa_display_init(ds, full_screen);
4639 break;
4640 case DT_GTK:
4641 gtk_display_init(ds, full_screen, grab_on_hover);
4642 break;
4643 default:
4644 break;
4645 }
4646
4647 /* must be after terminal init, SDL library changes signal handlers */
4648 os_setup_signal_handling();
4649
4650 /* init remote displays */
4651 #ifdef CONFIG_VNC
4652 qemu_opts_foreach(qemu_find_opts("vnc"),
4653 vnc_init_func, NULL, NULL);
4654 #endif
4655
4656 if (using_spice) {
4657 qemu_spice_display_init();
4658 }
4659
4660 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4661 exit(1);
4662 }
4663
4664 qdev_machine_creation_done();
4665
4666 /* TODO: once all bus devices are qdevified, this should be done
4667 * when bus is created by qdev.c */
4668 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4669 qemu_run_machine_init_done_notifiers();
4670
4671 if (rom_check_and_register_reset() != 0) {
4672 error_report("rom check and register reset failed");
4673 exit(1);
4674 }
4675
4676 replay_start();
4677
4678 /* This checkpoint is required by replay to separate prior clock
4679 reading from the other reads, because timer polling functions query
4680 clock values from the log. */
4681 replay_checkpoint(CHECKPOINT_RESET);
4682 qemu_system_reset(VMRESET_SILENT);
4683 register_global_state();
4684 if (replay_mode != REPLAY_MODE_NONE) {
4685 replay_vmstate_init();
4686 } else if (loadvm) {
4687 if (load_vmstate(loadvm) < 0) {
4688 autostart = 0;
4689 }
4690 }
4691
4692 qdev_prop_check_globals();
4693 if (vmstate_dump_file) {
4694 /* dump and exit */
4695 dump_vmstate_json_to_file(vmstate_dump_file);
4696 return 0;
4697 }
4698
4699 if (incoming) {
4700 Error *local_err = NULL;
4701 qemu_start_incoming_migration(incoming, &local_err);
4702 if (local_err) {
4703 error_reportf_err(local_err, "-incoming %s: ", incoming);
4704 exit(1);
4705 }
4706 } else if (autostart) {
4707 vm_start();
4708 }
4709
4710 os_setup_post();
4711
4712 main_loop();
4713 replay_disable_events();
4714 iothread_stop_all();
4715
4716 bdrv_close_all();
4717 pause_all_vcpus();
4718 res_free();
4719
4720 /* vhost-user must be cleaned up before chardevs. */
4721 net_cleanup();
4722 audio_cleanup();
4723 monitor_cleanup();
4724 qemu_chr_cleanup();
4725
4726 return 0;
4727 }
AR7 emulation for QEMU