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MAINTAINERS: PPC: add a XIVE section
[qemu/ar7.git] / vl.c
blobf5c8ef973cdff4c2cff9606b2b8d5fc284466bcf
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
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qapi-commands-ui.h"
132 #include "qapi/qmp/qerror.h"
133 #include "sysemu/iothread.h"
134
135 #define MAX_VIRTIO_CONSOLES 1
136
137 static const char *data_dir[16];
138 static int data_dir_idx;
139 const char *bios_name = NULL;
140 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
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 bool enable_cpu_pm = false;
148 int nb_nics;
149 NICInfo nd_table[MAX_NICS];
150 int autostart;
151 static enum {
152 RTC_BASE_UTC,
153 RTC_BASE_LOCALTIME,
154 RTC_BASE_DATETIME,
155 } rtc_base_type = RTC_BASE_UTC;
156 static time_t rtc_ref_start_datetime;
157 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
158 static int rtc_host_datetime_offset = -1; /* valid & used only with
159 RTC_BASE_DATETIME */
160 QEMUClockType rtc_clock;
161 int vga_interface_type = VGA_NONE;
162 static DisplayOptions dpy;
163 int no_frame;
164 static int num_serial_hds;
165 static Chardev **serial_hds;
166 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
167 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
168 int win2k_install_hack = 0;
169 int singlestep = 0;
170 int smp_cpus;
171 unsigned int max_cpus;
172 int smp_cores = 1;
173 int smp_threads = 1;
174 int acpi_enabled = 1;
175 int no_hpet = 0;
176 int fd_bootchk = 1;
177 static int no_reboot;
178 int no_shutdown = 0;
179 int cursor_hide = 1;
180 int graphic_rotate = 0;
181 const char *watchdog;
182 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
183 int nb_option_roms;
184 int old_param = 0;
185 const char *qemu_name;
186 int alt_grab = 0;
187 int ctrl_grab = 0;
188 unsigned int nb_prom_envs = 0;
189 const char *prom_envs[MAX_PROM_ENVS];
190 int boot_menu;
191 bool boot_strict;
192 uint8_t *boot_splash_filedata;
193 size_t boot_splash_filedata_size;
194 uint8_t qemu_extra_params_fw[2];
195 bool wakeup_suspend_enabled;
196
197 int icount_align_option;
198
199 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
200 * little-endian "wire format" described in the SMBIOS 2.6 specification.
201 */
202 QemuUUID qemu_uuid;
203 bool qemu_uuid_set;
204
205 static NotifierList exit_notifiers =
206 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
207
208 static NotifierList machine_init_done_notifiers =
209 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
210
211 bool xen_allowed;
212 uint32_t xen_domid;
213 enum xen_mode xen_mode = XEN_EMULATE;
214 bool xen_domid_restrict;
215
216 static int has_defaults = 1;
217 static int default_serial = 1;
218 static int default_parallel = 1;
219 static int default_virtcon = 1;
220 static int default_monitor = 1;
221 static int default_floppy = 1;
222 static int default_cdrom = 1;
223 static int default_sdcard = 1;
224 static int default_vga = 1;
225 static int default_net = 1;
226
227 static struct {
228 const char *driver;
229 int *flag;
230 } default_list[] = {
231 { .driver = "isa-serial", .flag = &default_serial },
232 { .driver = "isa-parallel", .flag = &default_parallel },
233 { .driver = "isa-fdc", .flag = &default_floppy },
234 { .driver = "floppy", .flag = &default_floppy },
235 { .driver = "ide-cd", .flag = &default_cdrom },
236 { .driver = "ide-hd", .flag = &default_cdrom },
237 { .driver = "ide-drive", .flag = &default_cdrom },
238 { .driver = "scsi-cd", .flag = &default_cdrom },
239 { .driver = "scsi-hd", .flag = &default_cdrom },
240 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
241 { .driver = "virtio-serial", .flag = &default_virtcon },
242 { .driver = "VGA", .flag = &default_vga },
243 { .driver = "isa-vga", .flag = &default_vga },
244 { .driver = "cirrus-vga", .flag = &default_vga },
245 { .driver = "isa-cirrus-vga", .flag = &default_vga },
246 { .driver = "vmware-svga", .flag = &default_vga },
247 { .driver = "qxl-vga", .flag = &default_vga },
248 { .driver = "virtio-vga", .flag = &default_vga },
249 };
250
251 static QemuOptsList qemu_rtc_opts = {
252 .name = "rtc",
253 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
254 .merge_lists = true,
255 .desc = {
256 {
257 .name = "base",
258 .type = QEMU_OPT_STRING,
259 },{
260 .name = "clock",
261 .type = QEMU_OPT_STRING,
262 },{
263 .name = "driftfix",
264 .type = QEMU_OPT_STRING,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_option_rom_opts = {
271 .name = "option-rom",
272 .implied_opt_name = "romfile",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
274 .desc = {
275 {
276 .name = "bootindex",
277 .type = QEMU_OPT_NUMBER,
278 }, {
279 .name = "romfile",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_machine_opts = {
287 .name = "machine",
288 .implied_opt_name = "type",
289 .merge_lists = true,
290 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
291 .desc = {
292 /*
293 * no elements => accept any
294 * sanity checking will happen later
295 * when setting machine properties
296 */
297 { }
298 },
299 };
300
301 static QemuOptsList qemu_accel_opts = {
302 .name = "accel",
303 .implied_opt_name = "accel",
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
305 .merge_lists = true,
306 .desc = {
307 {
308 .name = "accel",
309 .type = QEMU_OPT_STRING,
310 .help = "Select the type of accelerator",
311 },
312 {
313 .name = "thread",
314 .type = QEMU_OPT_STRING,
315 .help = "Enable/disable multi-threaded TCG",
316 },
317 { /* end of list */ }
318 },
319 };
320
321 static QemuOptsList qemu_boot_opts = {
322 .name = "boot-opts",
323 .implied_opt_name = "order",
324 .merge_lists = true,
325 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
326 .desc = {
327 {
328 .name = "order",
329 .type = QEMU_OPT_STRING,
330 }, {
331 .name = "once",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "menu",
335 .type = QEMU_OPT_BOOL,
336 }, {
337 .name = "splash",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "splash-time",
341 .type = QEMU_OPT_STRING,
342 }, {
343 .name = "reboot-timeout",
344 .type = QEMU_OPT_STRING,
345 }, {
346 .name = "strict",
347 .type = QEMU_OPT_BOOL,
348 },
349 { /*End of list */ }
350 },
351 };
352
353 static QemuOptsList qemu_add_fd_opts = {
354 .name = "add-fd",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
356 .desc = {
357 {
358 .name = "fd",
359 .type = QEMU_OPT_NUMBER,
360 .help = "file descriptor of which a duplicate is added to fd set",
361 },{
362 .name = "set",
363 .type = QEMU_OPT_NUMBER,
364 .help = "ID of the fd set to add fd to",
365 },{
366 .name = "opaque",
367 .type = QEMU_OPT_STRING,
368 .help = "free-form string used to describe fd",
369 },
370 { /* end of list */ }
371 },
372 };
373
374 static QemuOptsList qemu_object_opts = {
375 .name = "object",
376 .implied_opt_name = "qom-type",
377 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
378 .desc = {
379 { }
380 },
381 };
382
383 static QemuOptsList qemu_tpmdev_opts = {
384 .name = "tpmdev",
385 .implied_opt_name = "type",
386 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
387 .desc = {
388 /* options are defined in the TPM backends */
389 { /* end of list */ }
390 },
391 };
392
393 static QemuOptsList qemu_realtime_opts = {
394 .name = "realtime",
395 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
396 .desc = {
397 {
398 .name = "mlock",
399 .type = QEMU_OPT_BOOL,
400 },
401 { /* end of list */ }
402 },
403 };
404
405 static QemuOptsList qemu_overcommit_opts = {
406 .name = "overcommit",
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
408 .desc = {
409 {
410 .name = "mem-lock",
411 .type = QEMU_OPT_BOOL,
412 },
413 {
414 .name = "cpu-pm",
415 .type = QEMU_OPT_BOOL,
416 },
417 { /* end of list */ }
418 },
419 };
420
421 static QemuOptsList qemu_msg_opts = {
422 .name = "msg",
423 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
424 .desc = {
425 {
426 .name = "timestamp",
427 .type = QEMU_OPT_BOOL,
428 },
429 { /* end of list */ }
430 },
431 };
432
433 static QemuOptsList qemu_name_opts = {
434 .name = "name",
435 .implied_opt_name = "guest",
436 .merge_lists = true,
437 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
438 .desc = {
439 {
440 .name = "guest",
441 .type = QEMU_OPT_STRING,
442 .help = "Sets the name of the guest.\n"
443 "This name will be displayed in the SDL window caption.\n"
444 "The name will also be used for the VNC server",
445 }, {
446 .name = "process",
447 .type = QEMU_OPT_STRING,
448 .help = "Sets the name of the QEMU process, as shown in top etc",
449 }, {
450 .name = "debug-threads",
451 .type = QEMU_OPT_BOOL,
452 .help = "When enabled, name the individual threads; defaults off.\n"
453 "NOTE: The thread names are for debugging and not a\n"
454 "stable API.",
455 },
456 { /* End of list */ }
457 },
458 };
459
460 static QemuOptsList qemu_mem_opts = {
461 .name = "memory",
462 .implied_opt_name = "size",
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
464 .merge_lists = true,
465 .desc = {
466 {
467 .name = "size",
468 .type = QEMU_OPT_SIZE,
469 },
470 {
471 .name = "slots",
472 .type = QEMU_OPT_NUMBER,
473 },
474 {
475 .name = "maxmem",
476 .type = QEMU_OPT_SIZE,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 static QemuOptsList qemu_icount_opts = {
483 .name = "icount",
484 .implied_opt_name = "shift",
485 .merge_lists = true,
486 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
487 .desc = {
488 {
489 .name = "shift",
490 .type = QEMU_OPT_STRING,
491 }, {
492 .name = "align",
493 .type = QEMU_OPT_BOOL,
494 }, {
495 .name = "sleep",
496 .type = QEMU_OPT_BOOL,
497 }, {
498 .name = "rr",
499 .type = QEMU_OPT_STRING,
500 }, {
501 .name = "rrfile",
502 .type = QEMU_OPT_STRING,
503 }, {
504 .name = "rrsnapshot",
505 .type = QEMU_OPT_STRING,
506 },
507 { /* end of list */ }
508 },
509 };
510
511 static QemuOptsList qemu_semihosting_config_opts = {
512 .name = "semihosting-config",
513 .implied_opt_name = "enable",
514 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
515 .desc = {
516 {
517 .name = "enable",
518 .type = QEMU_OPT_BOOL,
519 }, {
520 .name = "target",
521 .type = QEMU_OPT_STRING,
522 }, {
523 .name = "arg",
524 .type = QEMU_OPT_STRING,
525 },
526 { /* end of list */ }
527 },
528 };
529
530 static QemuOptsList qemu_fw_cfg_opts = {
531 .name = "fw_cfg",
532 .implied_opt_name = "name",
533 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
534 .desc = {
535 {
536 .name = "name",
537 .type = QEMU_OPT_STRING,
538 .help = "Sets the fw_cfg name of the blob to be inserted",
539 }, {
540 .name = "file",
541 .type = QEMU_OPT_STRING,
542 .help = "Sets the name of the file from which "
543 "the fw_cfg blob will be loaded",
544 }, {
545 .name = "string",
546 .type = QEMU_OPT_STRING,
547 .help = "Sets content of the blob to be inserted from a string",
548 },
549 { /* end of list */ }
550 },
551 };
552
553 /**
554 * Get machine options
555 *
556 * Returns: machine options (never null).
557 */
558 QemuOpts *qemu_get_machine_opts(void)
559 {
560 return qemu_find_opts_singleton("machine");
561 }
562
563 const char *qemu_get_vm_name(void)
564 {
565 return qemu_name;
566 }
567
568 static void res_free(void)
569 {
570 g_free(boot_splash_filedata);
571 boot_splash_filedata = NULL;
572 }
573
574 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
575 {
576 const char *driver = qemu_opt_get(opts, "driver");
577 int i;
578
579 if (!driver)
580 return 0;
581 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
582 if (strcmp(default_list[i].driver, driver) != 0)
583 continue;
584 *(default_list[i].flag) = 0;
585 }
586 return 0;
587 }
588
589 /***********************************************************/
590 /* QEMU state */
591
592 static RunState current_run_state = RUN_STATE_PRECONFIG;
593
594 /* We use RUN_STATE__MAX but any invalid value will do */
595 static RunState vmstop_requested = RUN_STATE__MAX;
596 static QemuMutex vmstop_lock;
597
598 typedef struct {
599 RunState from;
600 RunState to;
601 } RunStateTransition;
602
603 static const RunStateTransition runstate_transitions_def[] = {
604 /* from -> to */
605 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
606 /* Early switch to inmigrate state to allow -incoming CLI option work
607 * as it used to. TODO: delay actual switching to inmigrate state to
608 * the point after machine is built and remove this hack.
609 */
610 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
611
612 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
613 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
615
616 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
617 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
618 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
619 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
620 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
621 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
623 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
624 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
626 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
627 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
628
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
630 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
632
633 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
634 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
636
637 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
638 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
640 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
641 { RUN_STATE_PAUSED, RUN_STATE_COLO},
642
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
644 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
645 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
646
647 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
648 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
650
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
654 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
655 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
656
657 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
658 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
659
660 { RUN_STATE_COLO, RUN_STATE_RUNNING },
661
662 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
663 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
664 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
665 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
666 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
668 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
669 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
670 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
671 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
672 { RUN_STATE_RUNNING, RUN_STATE_COLO},
673
674 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
675
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
677 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
678 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
679
680 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
681 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
682 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
683 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
684 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
685 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
686
687 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
688 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
689 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
690 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
691
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
693 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
694 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
695
696 { RUN_STATE__MAX, RUN_STATE__MAX },
697 };
698
699 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
700
701 bool runstate_check(RunState state)
702 {
703 return current_run_state == state;
704 }
705
706 bool runstate_store(char *str, size_t size)
707 {
708 const char *state = RunState_str(current_run_state);
709 size_t len = strlen(state) + 1;
710
711 if (len > size) {
712 return false;
713 }
714 memcpy(str, state, len);
715 return true;
716 }
717
718 static void runstate_init(void)
719 {
720 const RunStateTransition *p;
721
722 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
723 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
724 runstate_valid_transitions[p->from][p->to] = true;
725 }
726
727 qemu_mutex_init(&vmstop_lock);
728 }
729
730 /* This function will abort() on invalid state transitions */
731 void runstate_set(RunState new_state)
732 {
733 assert(new_state < RUN_STATE__MAX);
734
735 if (current_run_state == new_state) {
736 return;
737 }
738
739 if (!runstate_valid_transitions[current_run_state][new_state]) {
740 error_report("invalid runstate transition: '%s' -> '%s'",
741 RunState_str(current_run_state),
742 RunState_str(new_state));
743 abort();
744 }
745 trace_runstate_set(new_state);
746 current_run_state = new_state;
747 }
748
749 int runstate_is_running(void)
750 {
751 return runstate_check(RUN_STATE_RUNNING);
752 }
753
754 bool runstate_needs_reset(void)
755 {
756 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
757 runstate_check(RUN_STATE_SHUTDOWN);
758 }
759
760 StatusInfo *qmp_query_status(Error **errp)
761 {
762 StatusInfo *info = g_malloc0(sizeof(*info));
763
764 info->running = runstate_is_running();
765 info->singlestep = singlestep;
766 info->status = current_run_state;
767
768 return info;
769 }
770
771 bool qemu_vmstop_requested(RunState *r)
772 {
773 qemu_mutex_lock(&vmstop_lock);
774 *r = vmstop_requested;
775 vmstop_requested = RUN_STATE__MAX;
776 qemu_mutex_unlock(&vmstop_lock);
777 return *r < RUN_STATE__MAX;
778 }
779
780 void qemu_system_vmstop_request_prepare(void)
781 {
782 qemu_mutex_lock(&vmstop_lock);
783 }
784
785 void qemu_system_vmstop_request(RunState state)
786 {
787 vmstop_requested = state;
788 qemu_mutex_unlock(&vmstop_lock);
789 qemu_notify_event();
790 }
791
792 /***********************************************************/
793 /* RTC reference time/date access */
794 static time_t qemu_ref_timedate(QEMUClockType clock)
795 {
796 time_t value = qemu_clock_get_ms(clock) / 1000;
797 switch (clock) {
798 case QEMU_CLOCK_REALTIME:
799 value -= rtc_realtime_clock_offset;
800 /* no break */
801 case QEMU_CLOCK_VIRTUAL:
802 value += rtc_ref_start_datetime;
803 break;
804 case QEMU_CLOCK_HOST:
805 if (rtc_base_type == RTC_BASE_DATETIME) {
806 value -= rtc_host_datetime_offset;
807 }
808 break;
809 default:
810 assert(0);
811 }
812 return value;
813 }
814
815 void qemu_get_timedate(struct tm *tm, int offset)
816 {
817 time_t ti = qemu_ref_timedate(rtc_clock);
818
819 ti += offset;
820
821 switch (rtc_base_type) {
822 case RTC_BASE_DATETIME:
823 case RTC_BASE_UTC:
824 gmtime_r(&ti, tm);
825 break;
826 case RTC_BASE_LOCALTIME:
827 localtime_r(&ti, tm);
828 break;
829 }
830 }
831
832 int qemu_timedate_diff(struct tm *tm)
833 {
834 time_t seconds;
835
836 switch (rtc_base_type) {
837 case RTC_BASE_DATETIME:
838 case RTC_BASE_UTC:
839 seconds = mktimegm(tm);
840 break;
841 case RTC_BASE_LOCALTIME:
842 {
843 struct tm tmp = *tm;
844 tmp.tm_isdst = -1; /* use timezone to figure it out */
845 seconds = mktime(&tmp);
846 break;
847 }
848 default:
849 abort();
850 }
851
852 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
853 }
854
855 static void configure_rtc_base_datetime(const char *startdate)
856 {
857 time_t rtc_start_datetime;
858 struct tm tm;
859
860 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
861 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
862 /* OK */
863 } else if (sscanf(startdate, "%d-%d-%d",
864 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
865 tm.tm_hour = 0;
866 tm.tm_min = 0;
867 tm.tm_sec = 0;
868 } else {
869 goto date_fail;
870 }
871 tm.tm_year -= 1900;
872 tm.tm_mon--;
873 rtc_start_datetime = mktimegm(&tm);
874 if (rtc_start_datetime == -1) {
875 date_fail:
876 error_report("invalid datetime format");
877 error_printf("valid formats: "
878 "'2006-06-17T16:01:21' or '2006-06-17'\n");
879 exit(1);
880 }
881 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
882 rtc_ref_start_datetime = rtc_start_datetime;
883 }
884
885 static void configure_rtc(QemuOpts *opts)
886 {
887 const char *value;
888
889 /* Set defaults */
890 rtc_clock = QEMU_CLOCK_HOST;
891 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
892 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
893
894 value = qemu_opt_get(opts, "base");
895 if (value) {
896 if (!strcmp(value, "utc")) {
897 rtc_base_type = RTC_BASE_UTC;
898 } else if (!strcmp(value, "localtime")) {
899 Error *blocker = NULL;
900 rtc_base_type = RTC_BASE_LOCALTIME;
901 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
902 "-rtc base=localtime");
903 replay_add_blocker(blocker);
904 } else {
905 rtc_base_type = RTC_BASE_DATETIME;
906 configure_rtc_base_datetime(value);
907 }
908 }
909 value = qemu_opt_get(opts, "clock");
910 if (value) {
911 if (!strcmp(value, "host")) {
912 rtc_clock = QEMU_CLOCK_HOST;
913 } else if (!strcmp(value, "rt")) {
914 rtc_clock = QEMU_CLOCK_REALTIME;
915 } else if (!strcmp(value, "vm")) {
916 rtc_clock = QEMU_CLOCK_VIRTUAL;
917 } else {
918 error_report("invalid option value '%s'", value);
919 exit(1);
920 }
921 }
922 value = qemu_opt_get(opts, "driftfix");
923 if (value) {
924 if (!strcmp(value, "slew")) {
925 static GlobalProperty slew_lost_ticks = {
926 .driver = "mc146818rtc",
927 .property = "lost_tick_policy",
928 .value = "slew",
929 };
930
931 qdev_prop_register_global(&slew_lost_ticks);
932 } else if (!strcmp(value, "none")) {
933 /* discard is default */
934 } else {
935 error_report("invalid option value '%s'", value);
936 exit(1);
937 }
938 }
939 }
940
941 /***********************************************************/
942 /* Bluetooth support */
943 static int nb_hcis;
944 static int cur_hci;
945 static struct HCIInfo *hci_table[MAX_NICS];
946
947 struct HCIInfo *qemu_next_hci(void)
948 {
949 if (cur_hci == nb_hcis)
950 return &null_hci;
951
952 return hci_table[cur_hci++];
953 }
954
955 static int bt_hci_parse(const char *str)
956 {
957 struct HCIInfo *hci;
958 bdaddr_t bdaddr;
959
960 if (nb_hcis >= MAX_NICS) {
961 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
962 return -1;
963 }
964
965 hci = hci_init(str);
966 if (!hci)
967 return -1;
968
969 bdaddr.b[0] = 0x52;
970 bdaddr.b[1] = 0x54;
971 bdaddr.b[2] = 0x00;
972 bdaddr.b[3] = 0x12;
973 bdaddr.b[4] = 0x34;
974 bdaddr.b[5] = 0x56 + nb_hcis;
975 hci->bdaddr_set(hci, bdaddr.b);
976
977 hci_table[nb_hcis++] = hci;
978
979 return 0;
980 }
981
982 static void bt_vhci_add(int vlan_id)
983 {
984 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
985
986 if (!vlan->slave)
987 warn_report("adding a VHCI to an empty scatternet %i",
988 vlan_id);
989
990 bt_vhci_init(bt_new_hci(vlan));
991 }
992
993 static struct bt_device_s *bt_device_add(const char *opt)
994 {
995 struct bt_scatternet_s *vlan;
996 int vlan_id = 0;
997 char *endp = strstr(opt, ",vlan=");
998 int len = (endp ? endp - opt : strlen(opt)) + 1;
999 char devname[10];
1000
1001 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1002
1003 if (endp) {
1004 vlan_id = strtol(endp + 6, &endp, 0);
1005 if (*endp) {
1006 error_report("unrecognised bluetooth vlan Id");
1007 return 0;
1008 }
1009 }
1010
1011 vlan = qemu_find_bt_vlan(vlan_id);
1012
1013 if (!vlan->slave)
1014 warn_report("adding a slave device to an empty scatternet %i",
1015 vlan_id);
1016
1017 if (!strcmp(devname, "keyboard"))
1018 return bt_keyboard_init(vlan);
1019
1020 error_report("unsupported bluetooth device '%s'", devname);
1021 return 0;
1022 }
1023
1024 static int bt_parse(const char *opt)
1025 {
1026 const char *endp, *p;
1027 int vlan;
1028
1029 if (strstart(opt, "hci", &endp)) {
1030 if (!*endp || *endp == ',') {
1031 if (*endp)
1032 if (!strstart(endp, ",vlan=", 0))
1033 opt = endp + 1;
1034
1035 return bt_hci_parse(opt);
1036 }
1037 } else if (strstart(opt, "vhci", &endp)) {
1038 if (!*endp || *endp == ',') {
1039 if (*endp) {
1040 if (strstart(endp, ",vlan=", &p)) {
1041 vlan = strtol(p, (char **) &endp, 0);
1042 if (*endp) {
1043 error_report("bad scatternet '%s'", p);
1044 return 1;
1045 }
1046 } else {
1047 error_report("bad parameter '%s'", endp + 1);
1048 return 1;
1049 }
1050 } else
1051 vlan = 0;
1052
1053 bt_vhci_add(vlan);
1054 return 0;
1055 }
1056 } else if (strstart(opt, "device:", &endp))
1057 return !bt_device_add(endp);
1058
1059 error_report("bad bluetooth parameter '%s'", opt);
1060 return 1;
1061 }
1062
1063 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1064 {
1065 const char *proc_name;
1066
1067 if (qemu_opt_get(opts, "debug-threads")) {
1068 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1069 }
1070 qemu_name = qemu_opt_get(opts, "guest");
1071
1072 proc_name = qemu_opt_get(opts, "process");
1073 if (proc_name) {
1074 os_set_proc_name(proc_name);
1075 }
1076
1077 return 0;
1078 }
1079
1080 bool defaults_enabled(void)
1081 {
1082 return has_defaults;
1083 }
1084
1085 #ifndef _WIN32
1086 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1087 {
1088 int fd, dupfd, flags;
1089 int64_t fdset_id;
1090 const char *fd_opaque = NULL;
1091 AddfdInfo *fdinfo;
1092
1093 fd = qemu_opt_get_number(opts, "fd", -1);
1094 fdset_id = qemu_opt_get_number(opts, "set", -1);
1095 fd_opaque = qemu_opt_get(opts, "opaque");
1096
1097 if (fd < 0) {
1098 error_setg(errp, "fd option is required and must be non-negative");
1099 return -1;
1100 }
1101
1102 if (fd <= STDERR_FILENO) {
1103 error_setg(errp, "fd cannot be a standard I/O stream");
1104 return -1;
1105 }
1106
1107 /*
1108 * All fds inherited across exec() necessarily have FD_CLOEXEC
1109 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1110 */
1111 flags = fcntl(fd, F_GETFD);
1112 if (flags == -1 || (flags & FD_CLOEXEC)) {
1113 error_setg(errp, "fd is not valid or already in use");
1114 return -1;
1115 }
1116
1117 if (fdset_id < 0) {
1118 error_setg(errp, "set option is required and must be non-negative");
1119 return -1;
1120 }
1121
1122 #ifdef F_DUPFD_CLOEXEC
1123 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1124 #else
1125 dupfd = dup(fd);
1126 if (dupfd != -1) {
1127 qemu_set_cloexec(dupfd);
1128 }
1129 #endif
1130 if (dupfd == -1) {
1131 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1132 return -1;
1133 }
1134
1135 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1136 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1137 &error_abort);
1138 g_free(fdinfo);
1139
1140 return 0;
1141 }
1142
1143 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1144 {
1145 int fd;
1146
1147 fd = qemu_opt_get_number(opts, "fd", -1);
1148 close(fd);
1149
1150 return 0;
1151 }
1152 #endif
1153
1154 /***********************************************************/
1155 /* QEMU Block devices */
1156
1157 #define HD_OPTS "media=disk"
1158 #define CDROM_OPTS "media=cdrom"
1159 #define FD_OPTS ""
1160 #define PFLASH_OPTS ""
1161 #define MTD_OPTS ""
1162 #define SD_OPTS ""
1163
1164 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1165 {
1166 BlockInterfaceType *block_default_type = opaque;
1167
1168 return drive_new(opts, *block_default_type, errp) == NULL;
1169 }
1170
1171 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1172 {
1173 if (qemu_opt_get(opts, "snapshot") == NULL) {
1174 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1175 }
1176 return 0;
1177 }
1178
1179 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1180 int index, const char *optstr)
1181 {
1182 QemuOpts *opts;
1183 DriveInfo *dinfo;
1184
1185 if (!enable || drive_get_by_index(type, index)) {
1186 return;
1187 }
1188
1189 opts = drive_add(type, index, NULL, optstr);
1190 if (snapshot) {
1191 drive_enable_snapshot(NULL, opts, NULL);
1192 }
1193
1194 dinfo = drive_new(opts, type, &error_abort);
1195 dinfo->is_default = true;
1196
1197 }
1198
1199 static QemuOptsList qemu_smp_opts = {
1200 .name = "smp-opts",
1201 .implied_opt_name = "cpus",
1202 .merge_lists = true,
1203 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1204 .desc = {
1205 {
1206 .name = "cpus",
1207 .type = QEMU_OPT_NUMBER,
1208 }, {
1209 .name = "sockets",
1210 .type = QEMU_OPT_NUMBER,
1211 }, {
1212 .name = "cores",
1213 .type = QEMU_OPT_NUMBER,
1214 }, {
1215 .name = "threads",
1216 .type = QEMU_OPT_NUMBER,
1217 }, {
1218 .name = "maxcpus",
1219 .type = QEMU_OPT_NUMBER,
1220 },
1221 { /*End of list */ }
1222 },
1223 };
1224
1225 static void smp_parse(QemuOpts *opts)
1226 {
1227 if (opts) {
1228 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1229 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1230 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1231 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1232
1233 /* compute missing values, prefer sockets over cores over threads */
1234 if (cpus == 0 || sockets == 0) {
1235 cores = cores > 0 ? cores : 1;
1236 threads = threads > 0 ? threads : 1;
1237 if (cpus == 0) {
1238 sockets = sockets > 0 ? sockets : 1;
1239 cpus = cores * threads * sockets;
1240 } else {
1241 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1242 sockets = max_cpus / (cores * threads);
1243 }
1244 } else if (cores == 0) {
1245 threads = threads > 0 ? threads : 1;
1246 cores = cpus / (sockets * threads);
1247 cores = cores > 0 ? cores : 1;
1248 } else if (threads == 0) {
1249 threads = cpus / (cores * sockets);
1250 threads = threads > 0 ? threads : 1;
1251 } else if (sockets * cores * threads < cpus) {
1252 error_report("cpu topology: "
1253 "sockets (%u) * cores (%u) * threads (%u) < "
1254 "smp_cpus (%u)",
1255 sockets, cores, threads, cpus);
1256 exit(1);
1257 }
1258
1259 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1260
1261 if (max_cpus < cpus) {
1262 error_report("maxcpus must be equal to or greater than smp");
1263 exit(1);
1264 }
1265
1266 if (sockets * cores * threads > max_cpus) {
1267 error_report("cpu topology: "
1268 "sockets (%u) * cores (%u) * threads (%u) > "
1269 "maxcpus (%u)",
1270 sockets, cores, threads, max_cpus);
1271 exit(1);
1272 }
1273
1274 if (sockets * cores * threads != max_cpus) {
1275 warn_report("Invalid CPU topology deprecated: "
1276 "sockets (%u) * cores (%u) * threads (%u) "
1277 "!= maxcpus (%u)",
1278 sockets, cores, threads, max_cpus);
1279 }
1280
1281 smp_cpus = cpus;
1282 smp_cores = cores;
1283 smp_threads = threads;
1284 }
1285
1286 if (smp_cpus > 1) {
1287 Error *blocker = NULL;
1288 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1289 replay_add_blocker(blocker);
1290 }
1291 }
1292
1293 static void realtime_init(void)
1294 {
1295 if (enable_mlock) {
1296 if (os_mlock() < 0) {
1297 error_report("locking memory failed");
1298 exit(1);
1299 }
1300 }
1301 }
1302
1303
1304 static void configure_msg(QemuOpts *opts)
1305 {
1306 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1307 }
1308
1309 /***********************************************************/
1310 /* Semihosting */
1311
1312 typedef struct SemihostingConfig {
1313 bool enabled;
1314 SemihostingTarget target;
1315 const char **argv;
1316 int argc;
1317 const char *cmdline; /* concatenated argv */
1318 } SemihostingConfig;
1319
1320 static SemihostingConfig semihosting;
1321
1322 bool semihosting_enabled(void)
1323 {
1324 return semihosting.enabled;
1325 }
1326
1327 SemihostingTarget semihosting_get_target(void)
1328 {
1329 return semihosting.target;
1330 }
1331
1332 const char *semihosting_get_arg(int i)
1333 {
1334 if (i >= semihosting.argc) {
1335 return NULL;
1336 }
1337 return semihosting.argv[i];
1338 }
1339
1340 int semihosting_get_argc(void)
1341 {
1342 return semihosting.argc;
1343 }
1344
1345 const char *semihosting_get_cmdline(void)
1346 {
1347 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1348 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1349 }
1350 return semihosting.cmdline;
1351 }
1352
1353 static int add_semihosting_arg(void *opaque,
1354 const char *name, const char *val,
1355 Error **errp)
1356 {
1357 SemihostingConfig *s = opaque;
1358 if (strcmp(name, "arg") == 0) {
1359 s->argc++;
1360 /* one extra element as g_strjoinv() expects NULL-terminated array */
1361 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1362 s->argv[s->argc - 1] = val;
1363 s->argv[s->argc] = NULL;
1364 }
1365 return 0;
1366 }
1367
1368 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1369 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1370 {
1371 char *cmd_token;
1372
1373 /* argv[0] */
1374 add_semihosting_arg(&semihosting, "arg", file, NULL);
1375
1376 /* split -append and initialize argv[1..n] */
1377 cmd_token = strtok(g_strdup(cmd), " ");
1378 while (cmd_token) {
1379 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1380 cmd_token = strtok(NULL, " ");
1381 }
1382 }
1383
1384 /* Now we still need this for compatibility with XEN. */
1385 bool has_igd_gfx_passthru;
1386 static void igd_gfx_passthru(void)
1387 {
1388 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1389 }
1390
1391 /***********************************************************/
1392 /* USB devices */
1393
1394 static int usb_device_add(const char *devname)
1395 {
1396 USBDevice *dev = NULL;
1397
1398 if (!machine_usb(current_machine)) {
1399 return -1;
1400 }
1401
1402 dev = usbdevice_create(devname);
1403 if (!dev)
1404 return -1;
1405
1406 return 0;
1407 }
1408
1409 static int usb_parse(const char *cmdline)
1410 {
1411 int r;
1412 r = usb_device_add(cmdline);
1413 if (r < 0) {
1414 error_report("could not add USB device '%s'", cmdline);
1415 }
1416 return r;
1417 }
1418
1419 /***********************************************************/
1420 /* machine registration */
1421
1422 MachineState *current_machine;
1423
1424 static MachineClass *find_machine(const char *name)
1425 {
1426 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1427 MachineClass *mc = NULL;
1428
1429 for (el = machines; el; el = el->next) {
1430 MachineClass *temp = el->data;
1431
1432 if (!strcmp(temp->name, name)) {
1433 mc = temp;
1434 break;
1435 }
1436 if (temp->alias &&
1437 !strcmp(temp->alias, name)) {
1438 mc = temp;
1439 break;
1440 }
1441 }
1442
1443 g_slist_free(machines);
1444 return mc;
1445 }
1446
1447 MachineClass *find_default_machine(void)
1448 {
1449 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1450 MachineClass *mc = NULL;
1451
1452 for (el = machines; el; el = el->next) {
1453 MachineClass *temp = el->data;
1454
1455 if (temp->is_default) {
1456 mc = temp;
1457 break;
1458 }
1459 }
1460
1461 g_slist_free(machines);
1462 return mc;
1463 }
1464
1465 MachineInfoList *qmp_query_machines(Error **errp)
1466 {
1467 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1468 MachineInfoList *mach_list = NULL;
1469
1470 for (el = machines; el; el = el->next) {
1471 MachineClass *mc = el->data;
1472 MachineInfoList *entry;
1473 MachineInfo *info;
1474
1475 info = g_malloc0(sizeof(*info));
1476 if (mc->is_default) {
1477 info->has_is_default = true;
1478 info->is_default = true;
1479 }
1480
1481 if (mc->alias) {
1482 info->has_alias = true;
1483 info->alias = g_strdup(mc->alias);
1484 }
1485
1486 info->name = g_strdup(mc->name);
1487 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1488 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1489
1490 entry = g_malloc0(sizeof(*entry));
1491 entry->value = info;
1492 entry->next = mach_list;
1493 mach_list = entry;
1494 }
1495
1496 g_slist_free(machines);
1497 return mach_list;
1498 }
1499
1500 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1501 {
1502 ObjectProperty *prop;
1503 ObjectPropertyIterator iter;
1504
1505 if (!qemu_opt_has_help_opt(opts)) {
1506 return 0;
1507 }
1508
1509 object_property_iter_init(&iter, OBJECT(machine));
1510 while ((prop = object_property_iter_next(&iter))) {
1511 if (!prop->set) {
1512 continue;
1513 }
1514
1515 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1516 prop->name, prop->type);
1517 if (prop->description) {
1518 error_printf(" (%s)\n", prop->description);
1519 } else {
1520 error_printf("\n");
1521 }
1522 }
1523
1524 return 1;
1525 }
1526
1527 struct vm_change_state_entry {
1528 VMChangeStateHandler *cb;
1529 void *opaque;
1530 QLIST_ENTRY (vm_change_state_entry) entries;
1531 };
1532
1533 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1534
1535 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1536 void *opaque)
1537 {
1538 VMChangeStateEntry *e;
1539
1540 e = g_malloc0(sizeof (*e));
1541
1542 e->cb = cb;
1543 e->opaque = opaque;
1544 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1545 return e;
1546 }
1547
1548 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1549 {
1550 QLIST_REMOVE (e, entries);
1551 g_free (e);
1552 }
1553
1554 void vm_state_notify(int running, RunState state)
1555 {
1556 VMChangeStateEntry *e, *next;
1557
1558 trace_vm_state_notify(running, state);
1559
1560 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1561 e->cb(e->opaque, running, state);
1562 }
1563 }
1564
1565 static ShutdownCause reset_requested;
1566 static ShutdownCause shutdown_requested;
1567 static int shutdown_signal;
1568 static pid_t shutdown_pid;
1569 static int powerdown_requested;
1570 static int debug_requested;
1571 static int suspend_requested;
1572 static bool preconfig_exit_requested = true;
1573 static WakeupReason wakeup_reason;
1574 static NotifierList powerdown_notifiers =
1575 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1576 static NotifierList suspend_notifiers =
1577 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1578 static NotifierList wakeup_notifiers =
1579 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1580 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1581
1582 ShutdownCause qemu_shutdown_requested_get(void)
1583 {
1584 return shutdown_requested;
1585 }
1586
1587 ShutdownCause qemu_reset_requested_get(void)
1588 {
1589 return reset_requested;
1590 }
1591
1592 static int qemu_shutdown_requested(void)
1593 {
1594 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1595 }
1596
1597 static void qemu_kill_report(void)
1598 {
1599 if (!qtest_driver() && shutdown_signal) {
1600 if (shutdown_pid == 0) {
1601 /* This happens for eg ^C at the terminal, so it's worth
1602 * avoiding printing an odd message in that case.
1603 */
1604 error_report("terminating on signal %d", shutdown_signal);
1605 } else {
1606 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1607
1608 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1609 shutdown_signal, shutdown_pid,
1610 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1611 g_free(shutdown_cmd);
1612 }
1613 shutdown_signal = 0;
1614 }
1615 }
1616
1617 static ShutdownCause qemu_reset_requested(void)
1618 {
1619 ShutdownCause r = reset_requested;
1620
1621 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1622 reset_requested = SHUTDOWN_CAUSE_NONE;
1623 return r;
1624 }
1625 return SHUTDOWN_CAUSE_NONE;
1626 }
1627
1628 static int qemu_suspend_requested(void)
1629 {
1630 int r = suspend_requested;
1631 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1632 suspend_requested = 0;
1633 return r;
1634 }
1635 return false;
1636 }
1637
1638 static WakeupReason qemu_wakeup_requested(void)
1639 {
1640 return wakeup_reason;
1641 }
1642
1643 static int qemu_powerdown_requested(void)
1644 {
1645 int r = powerdown_requested;
1646 powerdown_requested = 0;
1647 return r;
1648 }
1649
1650 static int qemu_debug_requested(void)
1651 {
1652 int r = debug_requested;
1653 debug_requested = 0;
1654 return r;
1655 }
1656
1657 void qemu_exit_preconfig_request(void)
1658 {
1659 preconfig_exit_requested = true;
1660 }
1661
1662 /*
1663 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1664 */
1665 void qemu_system_reset(ShutdownCause reason)
1666 {
1667 MachineClass *mc;
1668
1669 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1670
1671 cpu_synchronize_all_states();
1672
1673 if (mc && mc->reset) {
1674 mc->reset();
1675 } else {
1676 qemu_devices_reset();
1677 }
1678 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1679 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1680 }
1681 cpu_synchronize_all_post_reset();
1682 }
1683
1684 void qemu_system_guest_panicked(GuestPanicInformation *info)
1685 {
1686 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1687
1688 if (current_cpu) {
1689 current_cpu->crash_occurred = true;
1690 }
1691 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1692 !!info, info);
1693 vm_stop(RUN_STATE_GUEST_PANICKED);
1694 if (!no_shutdown) {
1695 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1696 !!info, info);
1697 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1698 }
1699
1700 if (info) {
1701 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1702 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1703 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1704 info->u.hyper_v.arg1,
1705 info->u.hyper_v.arg2,
1706 info->u.hyper_v.arg3,
1707 info->u.hyper_v.arg4,
1708 info->u.hyper_v.arg5);
1709 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1710 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1711 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1712 info->u.s390.core,
1713 S390CrashReason_str(info->u.s390.reason),
1714 info->u.s390.psw_mask,
1715 info->u.s390.psw_addr);
1716 }
1717 qapi_free_GuestPanicInformation(info);
1718 }
1719 }
1720
1721 void qemu_system_reset_request(ShutdownCause reason)
1722 {
1723 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1724 shutdown_requested = reason;
1725 } else {
1726 reset_requested = reason;
1727 }
1728 cpu_stop_current();
1729 qemu_notify_event();
1730 }
1731
1732 static void qemu_system_suspend(void)
1733 {
1734 pause_all_vcpus();
1735 notifier_list_notify(&suspend_notifiers, NULL);
1736 runstate_set(RUN_STATE_SUSPENDED);
1737 qapi_event_send_suspend();
1738 }
1739
1740 void qemu_system_suspend_request(void)
1741 {
1742 if (runstate_check(RUN_STATE_SUSPENDED)) {
1743 return;
1744 }
1745 suspend_requested = 1;
1746 cpu_stop_current();
1747 qemu_notify_event();
1748 }
1749
1750 void qemu_register_suspend_notifier(Notifier *notifier)
1751 {
1752 notifier_list_add(&suspend_notifiers, notifier);
1753 }
1754
1755 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1756 {
1757 trace_system_wakeup_request(reason);
1758
1759 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1760 error_setg(errp,
1761 "Unable to wake up: guest is not in suspended state");
1762 return;
1763 }
1764 if (!(wakeup_reason_mask & (1 << reason))) {
1765 return;
1766 }
1767 runstate_set(RUN_STATE_RUNNING);
1768 wakeup_reason = reason;
1769 qemu_notify_event();
1770 }
1771
1772 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1773 {
1774 if (enabled) {
1775 wakeup_reason_mask |= (1 << reason);
1776 } else {
1777 wakeup_reason_mask &= ~(1 << reason);
1778 }
1779 }
1780
1781 void qemu_register_wakeup_notifier(Notifier *notifier)
1782 {
1783 notifier_list_add(&wakeup_notifiers, notifier);
1784 }
1785
1786 void qemu_register_wakeup_support(void)
1787 {
1788 wakeup_suspend_enabled = true;
1789 }
1790
1791 bool qemu_wakeup_suspend_enabled(void)
1792 {
1793 return wakeup_suspend_enabled;
1794 }
1795
1796 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1797 {
1798 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1799 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1800
1801 return params;
1802 }
1803
1804 void qemu_system_killed(int signal, pid_t pid)
1805 {
1806 shutdown_signal = signal;
1807 shutdown_pid = pid;
1808 no_shutdown = 0;
1809
1810 /* Cannot call qemu_system_shutdown_request directly because
1811 * we are in a signal handler.
1812 */
1813 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1814 qemu_notify_event();
1815 }
1816
1817 void qemu_system_shutdown_request(ShutdownCause reason)
1818 {
1819 trace_qemu_system_shutdown_request(reason);
1820 replay_shutdown_request(reason);
1821 shutdown_requested = reason;
1822 qemu_notify_event();
1823 }
1824
1825 static void qemu_system_powerdown(void)
1826 {
1827 qapi_event_send_powerdown();
1828 notifier_list_notify(&powerdown_notifiers, NULL);
1829 }
1830
1831 void qemu_system_powerdown_request(void)
1832 {
1833 trace_qemu_system_powerdown_request();
1834 powerdown_requested = 1;
1835 qemu_notify_event();
1836 }
1837
1838 void qemu_register_powerdown_notifier(Notifier *notifier)
1839 {
1840 notifier_list_add(&powerdown_notifiers, notifier);
1841 }
1842
1843 void qemu_system_debug_request(void)
1844 {
1845 debug_requested = 1;
1846 qemu_notify_event();
1847 }
1848
1849 static bool main_loop_should_exit(void)
1850 {
1851 RunState r;
1852 ShutdownCause request;
1853
1854 if (preconfig_exit_requested) {
1855 if (runstate_check(RUN_STATE_PRECONFIG)) {
1856 runstate_set(RUN_STATE_PRELAUNCH);
1857 }
1858 preconfig_exit_requested = false;
1859 return true;
1860 }
1861 if (qemu_debug_requested()) {
1862 vm_stop(RUN_STATE_DEBUG);
1863 }
1864 if (qemu_suspend_requested()) {
1865 qemu_system_suspend();
1866 }
1867 request = qemu_shutdown_requested();
1868 if (request) {
1869 qemu_kill_report();
1870 qapi_event_send_shutdown(shutdown_caused_by_guest(request), request);
1871 if (no_shutdown) {
1872 vm_stop(RUN_STATE_SHUTDOWN);
1873 } else {
1874 return true;
1875 }
1876 }
1877 request = qemu_reset_requested();
1878 if (request) {
1879 pause_all_vcpus();
1880 qemu_system_reset(request);
1881 resume_all_vcpus();
1882 if (!runstate_check(RUN_STATE_RUNNING) &&
1883 !runstate_check(RUN_STATE_INMIGRATE)) {
1884 runstate_set(RUN_STATE_PRELAUNCH);
1885 }
1886 }
1887 if (qemu_wakeup_requested()) {
1888 pause_all_vcpus();
1889 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1890 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1891 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1892 resume_all_vcpus();
1893 qapi_event_send_wakeup();
1894 }
1895 if (qemu_powerdown_requested()) {
1896 qemu_system_powerdown();
1897 }
1898 if (qemu_vmstop_requested(&r)) {
1899 vm_stop(r);
1900 }
1901 return false;
1902 }
1903
1904 static void main_loop(void)
1905 {
1906 #ifdef CONFIG_PROFILER
1907 int64_t ti;
1908 #endif
1909 while (!main_loop_should_exit()) {
1910 #ifdef CONFIG_PROFILER
1911 ti = profile_getclock();
1912 #endif
1913 main_loop_wait(false);
1914 #ifdef CONFIG_PROFILER
1915 dev_time += profile_getclock() - ti;
1916 #endif
1917 }
1918 }
1919
1920 static void version(void)
1921 {
1922 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1923 QEMU_COPYRIGHT "\n");
1924 }
1925
1926 static void help(int exitcode)
1927 {
1928 version();
1929 printf("usage: %s [options] [disk_image]\n\n"
1930 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1931 error_get_progname());
1932
1933 #define QEMU_OPTIONS_GENERATE_HELP
1934 #include "qemu-options-wrapper.h"
1935
1936 printf("\nDuring emulation, the following keys are useful:\n"
1937 "ctrl-alt-f toggle full screen\n"
1938 "ctrl-alt-n switch to virtual console 'n'\n"
1939 "ctrl-alt toggle mouse and keyboard grab\n"
1940 "\n"
1941 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1942 "\n"
1943 QEMU_HELP_BOTTOM "\n");
1944
1945 exit(exitcode);
1946 }
1947
1948 #define HAS_ARG 0x0001
1949
1950 typedef struct QEMUOption {
1951 const char *name;
1952 int flags;
1953 int index;
1954 uint32_t arch_mask;
1955 } QEMUOption;
1956
1957 static const QEMUOption qemu_options[] = {
1958 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1959 #define QEMU_OPTIONS_GENERATE_OPTIONS
1960 #include "qemu-options-wrapper.h"
1961 { NULL },
1962 };
1963
1964 typedef struct VGAInterfaceInfo {
1965 const char *opt_name; /* option name */
1966 const char *name; /* human-readable name */
1967 /* Class names indicating that support is available.
1968 * If no class is specified, the interface is always available */
1969 const char *class_names[2];
1970 } VGAInterfaceInfo;
1971
1972 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1973 [VGA_NONE] = {
1974 .opt_name = "none",
1975 },
1976 [VGA_STD] = {
1977 .opt_name = "std",
1978 .name = "standard VGA",
1979 .class_names = { "VGA", "isa-vga" },
1980 },
1981 [VGA_CIRRUS] = {
1982 .opt_name = "cirrus",
1983 .name = "Cirrus VGA",
1984 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1985 },
1986 [VGA_VMWARE] = {
1987 .opt_name = "vmware",
1988 .name = "VMWare SVGA",
1989 .class_names = { "vmware-svga" },
1990 },
1991 [VGA_VIRTIO] = {
1992 .opt_name = "virtio",
1993 .name = "Virtio VGA",
1994 .class_names = { "virtio-vga" },
1995 },
1996 [VGA_QXL] = {
1997 .opt_name = "qxl",
1998 .name = "QXL VGA",
1999 .class_names = { "qxl-vga" },
2000 },
2001 [VGA_TCX] = {
2002 .opt_name = "tcx",
2003 .name = "TCX framebuffer",
2004 .class_names = { "SUNW,tcx" },
2005 },
2006 [VGA_CG3] = {
2007 .opt_name = "cg3",
2008 .name = "CG3 framebuffer",
2009 .class_names = { "cgthree" },
2010 },
2011 [VGA_XENFB] = {
2012 .opt_name = "xenfb",
2013 },
2014 };
2015
2016 static bool vga_interface_available(VGAInterfaceType t)
2017 {
2018 VGAInterfaceInfo *ti = &vga_interfaces[t];
2019
2020 assert(t < VGA_TYPE_MAX);
2021 return !ti->class_names[0] ||
2022 object_class_by_name(ti->class_names[0]) ||
2023 object_class_by_name(ti->class_names[1]);
2024 }
2025
2026 static void select_vgahw(const char *p)
2027 {
2028 const char *opts;
2029 int t;
2030
2031 assert(vga_interface_type == VGA_NONE);
2032 for (t = 0; t < VGA_TYPE_MAX; t++) {
2033 VGAInterfaceInfo *ti = &vga_interfaces[t];
2034 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2035 if (!vga_interface_available(t)) {
2036 error_report("%s not available", ti->name);
2037 exit(1);
2038 }
2039 vga_interface_type = t;
2040 break;
2041 }
2042 }
2043 if (t == VGA_TYPE_MAX) {
2044 invalid_vga:
2045 error_report("unknown vga type: %s", p);
2046 exit(1);
2047 }
2048 while (*opts) {
2049 const char *nextopt;
2050
2051 if (strstart(opts, ",retrace=", &nextopt)) {
2052 opts = nextopt;
2053 if (strstart(opts, "dumb", &nextopt))
2054 vga_retrace_method = VGA_RETRACE_DUMB;
2055 else if (strstart(opts, "precise", &nextopt))
2056 vga_retrace_method = VGA_RETRACE_PRECISE;
2057 else goto invalid_vga;
2058 } else goto invalid_vga;
2059 opts = nextopt;
2060 }
2061 }
2062
2063 static void parse_display_qapi(const char *optarg)
2064 {
2065 DisplayOptions *opts;
2066 Visitor *v;
2067
2068 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2069
2070 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2071 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2072
2073 qapi_free_DisplayOptions(opts);
2074 visit_free(v);
2075 }
2076
2077 DisplayOptions *qmp_query_display_options(Error **errp)
2078 {
2079 return QAPI_CLONE(DisplayOptions, &dpy);
2080 }
2081
2082 static void parse_display(const char *p)
2083 {
2084 const char *opts;
2085
2086 if (strstart(p, "sdl", &opts)) {
2087 /*
2088 * sdl DisplayType needs hand-crafted parser instead of
2089 * parse_display_qapi() due to some options not in
2090 * DisplayOptions, specifically:
2091 * - frame
2092 * Already deprecated.
2093 * - ctrl_grab + alt_grab
2094 * Not clear yet what happens to them long-term. Should
2095 * replaced by something better or deprecated and dropped.
2096 */
2097 dpy.type = DISPLAY_TYPE_SDL;
2098 while (*opts) {
2099 const char *nextopt;
2100
2101 if (strstart(opts, ",frame=", &nextopt)) {
2102 g_printerr("The frame= sdl option is deprecated, and will be\n"
2103 "removed in a future release.\n");
2104 opts = nextopt;
2105 if (strstart(opts, "on", &nextopt)) {
2106 no_frame = 0;
2107 } else if (strstart(opts, "off", &nextopt)) {
2108 no_frame = 1;
2109 } else {
2110 goto invalid_sdl_args;
2111 }
2112 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2113 opts = nextopt;
2114 if (strstart(opts, "on", &nextopt)) {
2115 alt_grab = 1;
2116 } else if (strstart(opts, "off", &nextopt)) {
2117 alt_grab = 0;
2118 } else {
2119 goto invalid_sdl_args;
2120 }
2121 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2122 opts = nextopt;
2123 if (strstart(opts, "on", &nextopt)) {
2124 ctrl_grab = 1;
2125 } else if (strstart(opts, "off", &nextopt)) {
2126 ctrl_grab = 0;
2127 } else {
2128 goto invalid_sdl_args;
2129 }
2130 } else if (strstart(opts, ",window_close=", &nextopt)) {
2131 opts = nextopt;
2132 dpy.has_window_close = true;
2133 if (strstart(opts, "on", &nextopt)) {
2134 dpy.window_close = true;
2135 } else if (strstart(opts, "off", &nextopt)) {
2136 dpy.window_close = false;
2137 } else {
2138 goto invalid_sdl_args;
2139 }
2140 } else if (strstart(opts, ",gl=", &nextopt)) {
2141 opts = nextopt;
2142 dpy.has_gl = true;
2143 if (strstart(opts, "on", &nextopt)) {
2144 dpy.gl = DISPLAYGL_MODE_ON;
2145 } else if (strstart(opts, "core", &nextopt)) {
2146 dpy.gl = DISPLAYGL_MODE_CORE;
2147 } else if (strstart(opts, "es", &nextopt)) {
2148 dpy.gl = DISPLAYGL_MODE_ES;
2149 } else if (strstart(opts, "off", &nextopt)) {
2150 dpy.gl = DISPLAYGL_MODE_OFF;
2151 } else {
2152 goto invalid_sdl_args;
2153 }
2154 } else {
2155 invalid_sdl_args:
2156 error_report("invalid SDL option string");
2157 exit(1);
2158 }
2159 opts = nextopt;
2160 }
2161 } else if (strstart(p, "vnc", &opts)) {
2162 /*
2163 * vnc isn't a (local) DisplayType but a protocol for remote
2164 * display access.
2165 */
2166 if (*opts == '=') {
2167 vnc_parse(opts + 1, &error_fatal);
2168 } else {
2169 error_report("VNC requires a display argument vnc=<display>");
2170 exit(1);
2171 }
2172 } else {
2173 parse_display_qapi(p);
2174 }
2175 }
2176
2177 char *qemu_find_file(int type, const char *name)
2178 {
2179 int i;
2180 const char *subdir;
2181 char *buf;
2182
2183 /* Try the name as a straight path first */
2184 if (access(name, R_OK) == 0) {
2185 trace_load_file(name, name);
2186 return g_strdup(name);
2187 }
2188
2189 switch (type) {
2190 case QEMU_FILE_TYPE_BIOS:
2191 subdir = "";
2192 break;
2193 case QEMU_FILE_TYPE_KEYMAP:
2194 subdir = "keymaps/";
2195 break;
2196 default:
2197 abort();
2198 }
2199
2200 for (i = 0; i < data_dir_idx; i++) {
2201 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2202 if (access(buf, R_OK) == 0) {
2203 trace_load_file(name, buf);
2204 return buf;
2205 }
2206 g_free(buf);
2207 }
2208 return NULL;
2209 }
2210
2211 static void qemu_add_data_dir(const char *path)
2212 {
2213 int i;
2214
2215 if (path == NULL) {
2216 return;
2217 }
2218 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2219 return;
2220 }
2221 for (i = 0; i < data_dir_idx; i++) {
2222 if (strcmp(data_dir[i], path) == 0) {
2223 return; /* duplicate */
2224 }
2225 }
2226 data_dir[data_dir_idx++] = g_strdup(path);
2227 }
2228
2229 static inline bool nonempty_str(const char *str)
2230 {
2231 return str && *str;
2232 }
2233
2234 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2235 {
2236 gchar *buf;
2237 size_t size;
2238 const char *name, *file, *str;
2239 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2240
2241 if (fw_cfg == NULL) {
2242 error_setg(errp, "fw_cfg device not available");
2243 return -1;
2244 }
2245 name = qemu_opt_get(opts, "name");
2246 file = qemu_opt_get(opts, "file");
2247 str = qemu_opt_get(opts, "string");
2248
2249 /* we need name and either a file or the content string */
2250 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2251 error_setg(errp, "invalid argument(s)");
2252 return -1;
2253 }
2254 if (nonempty_str(file) && nonempty_str(str)) {
2255 error_setg(errp, "file and string are mutually exclusive");
2256 return -1;
2257 }
2258 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2259 error_setg(errp, "name too long (max. %d char)",
2260 FW_CFG_MAX_FILE_PATH - 1);
2261 return -1;
2262 }
2263 if (strncmp(name, "opt/", 4) != 0) {
2264 warn_report("externally provided fw_cfg item names "
2265 "should be prefixed with \"opt/\"");
2266 }
2267 if (nonempty_str(str)) {
2268 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2269 buf = g_memdup(str, size);
2270 } else {
2271 GError *err = NULL;
2272 if (!g_file_get_contents(file, &buf, &size, &err)) {
2273 error_setg(errp, "can't load %s: %s", file, err->message);
2274 g_error_free(err);
2275 return -1;
2276 }
2277 }
2278 /* For legacy, keep user files in a specific global order. */
2279 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2280 fw_cfg_add_file(fw_cfg, name, buf, size);
2281 fw_cfg_reset_order_override(fw_cfg);
2282 return 0;
2283 }
2284
2285 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2286 {
2287 return qdev_device_help(opts);
2288 }
2289
2290 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2291 {
2292 DeviceState *dev;
2293
2294 dev = qdev_device_add(opts, errp);
2295 if (!dev) {
2296 return -1;
2297 }
2298 object_unref(OBJECT(dev));
2299 return 0;
2300 }
2301
2302 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2303 {
2304 Error *local_err = NULL;
2305
2306 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2307 if (local_err) {
2308 error_propagate(errp, local_err);
2309 return -1;
2310 }
2311 exit(0);
2312 }
2313 return 0;
2314 }
2315
2316 #ifdef CONFIG_VIRTFS
2317 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2318 {
2319 return qemu_fsdev_add(opts, errp);
2320 }
2321 #endif
2322
2323 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2324 {
2325 Chardev *chr;
2326 const char *chardev;
2327 const char *mode;
2328 int flags;
2329
2330 mode = qemu_opt_get(opts, "mode");
2331 if (mode == NULL) {
2332 mode = "readline";
2333 }
2334 if (strcmp(mode, "readline") == 0) {
2335 flags = MONITOR_USE_READLINE;
2336 } else if (strcmp(mode, "control") == 0) {
2337 flags = MONITOR_USE_CONTROL;
2338 } else {
2339 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2340 return -1;
2341 }
2342
2343 if (qemu_opt_get_bool(opts, "pretty", 0))
2344 flags |= MONITOR_USE_PRETTY;
2345
2346 chardev = qemu_opt_get(opts, "chardev");
2347 if (!chardev) {
2348 error_report("chardev is required");
2349 exit(1);
2350 }
2351 chr = qemu_chr_find(chardev);
2352 if (chr == NULL) {
2353 error_setg(errp, "chardev \"%s\" not found", chardev);
2354 return -1;
2355 }
2356
2357 monitor_init(chr, flags);
2358 return 0;
2359 }
2360
2361 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2362 {
2363 static int monitor_device_index = 0;
2364 QemuOpts *opts;
2365 const char *p;
2366 char label[32];
2367
2368 if (strstart(optarg, "chardev:", &p)) {
2369 snprintf(label, sizeof(label), "%s", p);
2370 } else {
2371 snprintf(label, sizeof(label), "compat_monitor%d",
2372 monitor_device_index);
2373 opts = qemu_chr_parse_compat(label, optarg, true);
2374 if (!opts) {
2375 error_report("parse error: %s", optarg);
2376 exit(1);
2377 }
2378 }
2379
2380 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2381 qemu_opt_set(opts, "mode", mode, &error_abort);
2382 qemu_opt_set(opts, "chardev", label, &error_abort);
2383 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2384 monitor_device_index++;
2385 }
2386
2387 struct device_config {
2388 enum {
2389 DEV_USB, /* -usbdevice */
2390 DEV_BT, /* -bt */
2391 DEV_SERIAL, /* -serial */
2392 DEV_PARALLEL, /* -parallel */
2393 DEV_VIRTCON, /* -virtioconsole */
2394 DEV_DEBUGCON, /* -debugcon */
2395 DEV_GDB, /* -gdb, -s */
2396 DEV_SCLP, /* s390 sclp */
2397 } type;
2398 const char *cmdline;
2399 Location loc;
2400 QTAILQ_ENTRY(device_config) next;
2401 };
2402
2403 static QTAILQ_HEAD(, device_config) device_configs =
2404 QTAILQ_HEAD_INITIALIZER(device_configs);
2405
2406 static void add_device_config(int type, const char *cmdline)
2407 {
2408 struct device_config *conf;
2409
2410 conf = g_malloc0(sizeof(*conf));
2411 conf->type = type;
2412 conf->cmdline = cmdline;
2413 loc_save(&conf->loc);
2414 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2415 }
2416
2417 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2418 {
2419 struct device_config *conf;
2420 int rc;
2421
2422 QTAILQ_FOREACH(conf, &device_configs, next) {
2423 if (conf->type != type)
2424 continue;
2425 loc_push_restore(&conf->loc);
2426 rc = func(conf->cmdline);
2427 loc_pop(&conf->loc);
2428 if (rc) {
2429 return rc;
2430 }
2431 }
2432 return 0;
2433 }
2434
2435 static int serial_parse(const char *devname)
2436 {
2437 int index = num_serial_hds;
2438 char label[32];
2439
2440 if (strcmp(devname, "none") == 0)
2441 return 0;
2442 snprintf(label, sizeof(label), "serial%d", index);
2443 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2444
2445 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2446 if (!serial_hds[index]) {
2447 error_report("could not connect serial device"
2448 " to character backend '%s'", devname);
2449 return -1;
2450 }
2451 num_serial_hds++;
2452 return 0;
2453 }
2454
2455 Chardev *serial_hd(int i)
2456 {
2457 assert(i >= 0);
2458 if (i < num_serial_hds) {
2459 return serial_hds[i];
2460 }
2461 return NULL;
2462 }
2463
2464 int serial_max_hds(void)
2465 {
2466 return num_serial_hds;
2467 }
2468
2469 static int parallel_parse(const char *devname)
2470 {
2471 static int index = 0;
2472 char label[32];
2473
2474 if (strcmp(devname, "none") == 0)
2475 return 0;
2476 if (index == MAX_PARALLEL_PORTS) {
2477 error_report("too many parallel ports");
2478 exit(1);
2479 }
2480 snprintf(label, sizeof(label), "parallel%d", index);
2481 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2482 if (!parallel_hds[index]) {
2483 error_report("could not connect parallel device"
2484 " to character backend '%s'", devname);
2485 return -1;
2486 }
2487 index++;
2488 return 0;
2489 }
2490
2491 static int virtcon_parse(const char *devname)
2492 {
2493 QemuOptsList *device = qemu_find_opts("device");
2494 static int index = 0;
2495 char label[32];
2496 QemuOpts *bus_opts, *dev_opts;
2497
2498 if (strcmp(devname, "none") == 0)
2499 return 0;
2500 if (index == MAX_VIRTIO_CONSOLES) {
2501 error_report("too many virtio consoles");
2502 exit(1);
2503 }
2504
2505 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2506 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2507
2508 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2509 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2510
2511 snprintf(label, sizeof(label), "virtcon%d", index);
2512 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2513 if (!virtcon_hds[index]) {
2514 error_report("could not connect virtio console"
2515 " to character backend '%s'", devname);
2516 return -1;
2517 }
2518 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2519
2520 index++;
2521 return 0;
2522 }
2523
2524 static int debugcon_parse(const char *devname)
2525 {
2526 QemuOpts *opts;
2527
2528 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2529 error_report("invalid character backend '%s'", devname);
2530 exit(1);
2531 }
2532 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2533 if (!opts) {
2534 error_report("already have a debugcon device");
2535 exit(1);
2536 }
2537 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2538 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2539 return 0;
2540 }
2541
2542 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2543 {
2544 const MachineClass *mc1 = a, *mc2 = b;
2545 int res;
2546
2547 if (mc1->family == NULL) {
2548 if (mc2->family == NULL) {
2549 /* Compare standalone machine types against each other; they sort
2550 * in increasing order.
2551 */
2552 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2553 object_class_get_name(OBJECT_CLASS(mc2)));
2554 }
2555
2556 /* Standalone machine types sort after families. */
2557 return 1;
2558 }
2559
2560 if (mc2->family == NULL) {
2561 /* Families sort before standalone machine types. */
2562 return -1;
2563 }
2564
2565 /* Families sort between each other alphabetically increasingly. */
2566 res = strcmp(mc1->family, mc2->family);
2567 if (res != 0) {
2568 return res;
2569 }
2570
2571 /* Within the same family, machine types sort in decreasing order. */
2572 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2573 object_class_get_name(OBJECT_CLASS(mc1)));
2574 }
2575
2576 static MachineClass *machine_parse(const char *name)
2577 {
2578 MachineClass *mc = NULL;
2579 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2580
2581 if (name) {
2582 mc = find_machine(name);
2583 }
2584 if (mc) {
2585 g_slist_free(machines);
2586 return mc;
2587 }
2588 if (name && !is_help_option(name)) {
2589 error_report("unsupported machine type");
2590 error_printf("Use -machine help to list supported machines\n");
2591 } else {
2592 printf("Supported machines are:\n");
2593 machines = g_slist_sort(machines, machine_class_cmp);
2594 for (el = machines; el; el = el->next) {
2595 MachineClass *mc = el->data;
2596 if (mc->alias) {
2597 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2598 }
2599 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2600 mc->is_default ? " (default)" : "",
2601 mc->deprecation_reason ? " (deprecated)" : "");
2602 }
2603 }
2604
2605 g_slist_free(machines);
2606 exit(!name || !is_help_option(name));
2607 }
2608
2609 void qemu_add_exit_notifier(Notifier *notify)
2610 {
2611 notifier_list_add(&exit_notifiers, notify);
2612 }
2613
2614 void qemu_remove_exit_notifier(Notifier *notify)
2615 {
2616 notifier_remove(notify);
2617 }
2618
2619 static void qemu_run_exit_notifiers(void)
2620 {
2621 notifier_list_notify(&exit_notifiers, NULL);
2622 }
2623
2624 static const char *pid_file;
2625 static Notifier qemu_unlink_pidfile_notifier;
2626
2627 static void qemu_unlink_pidfile(Notifier *n, void *data)
2628 {
2629 if (pid_file) {
2630 unlink(pid_file);
2631 }
2632 }
2633
2634 bool machine_init_done;
2635
2636 void qemu_add_machine_init_done_notifier(Notifier *notify)
2637 {
2638 notifier_list_add(&machine_init_done_notifiers, notify);
2639 if (machine_init_done) {
2640 notify->notify(notify, NULL);
2641 }
2642 }
2643
2644 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2645 {
2646 notifier_remove(notify);
2647 }
2648
2649 static void qemu_run_machine_init_done_notifiers(void)
2650 {
2651 machine_init_done = true;
2652 notifier_list_notify(&machine_init_done_notifiers, NULL);
2653 }
2654
2655 static const QEMUOption *lookup_opt(int argc, char **argv,
2656 const char **poptarg, int *poptind)
2657 {
2658 const QEMUOption *popt;
2659 int optind = *poptind;
2660 char *r = argv[optind];
2661 const char *optarg;
2662
2663 loc_set_cmdline(argv, optind, 1);
2664 optind++;
2665 /* Treat --foo the same as -foo. */
2666 if (r[1] == '-')
2667 r++;
2668 popt = qemu_options;
2669 for(;;) {
2670 if (!popt->name) {
2671 error_report("invalid option");
2672 exit(1);
2673 }
2674 if (!strcmp(popt->name, r + 1))
2675 break;
2676 popt++;
2677 }
2678 if (popt->flags & HAS_ARG) {
2679 if (optind >= argc) {
2680 error_report("requires an argument");
2681 exit(1);
2682 }
2683 optarg = argv[optind++];
2684 loc_set_cmdline(argv, optind - 2, 2);
2685 } else {
2686 optarg = NULL;
2687 }
2688
2689 *poptarg = optarg;
2690 *poptind = optind;
2691
2692 return popt;
2693 }
2694
2695 static MachineClass *select_machine(void)
2696 {
2697 MachineClass *machine_class = find_default_machine();
2698 const char *optarg;
2699 QemuOpts *opts;
2700 Location loc;
2701
2702 loc_push_none(&loc);
2703
2704 opts = qemu_get_machine_opts();
2705 qemu_opts_loc_restore(opts);
2706
2707 optarg = qemu_opt_get(opts, "type");
2708 if (optarg) {
2709 machine_class = machine_parse(optarg);
2710 }
2711
2712 if (!machine_class) {
2713 error_report("No machine specified, and there is no default");
2714 error_printf("Use -machine help to list supported machines\n");
2715 exit(1);
2716 }
2717
2718 loc_pop(&loc);
2719 return machine_class;
2720 }
2721
2722 static int machine_set_property(void *opaque,
2723 const char *name, const char *value,
2724 Error **errp)
2725 {
2726 Object *obj = OBJECT(opaque);
2727 Error *local_err = NULL;
2728 char *p, *qom_name;
2729
2730 if (strcmp(name, "type") == 0) {
2731 return 0;
2732 }
2733
2734 qom_name = g_strdup(name);
2735 for (p = qom_name; *p; p++) {
2736 if (*p == '_') {
2737 *p = '-';
2738 }
2739 }
2740
2741 object_property_parse(obj, value, qom_name, &local_err);
2742 g_free(qom_name);
2743
2744 if (local_err) {
2745 error_propagate(errp, local_err);
2746 return -1;
2747 }
2748
2749 return 0;
2750 }
2751
2752
2753 /*
2754 * Initial object creation happens before all other
2755 * QEMU data types are created. The majority of objects
2756 * can be created at this point. The rng-egd object
2757 * cannot be created here, as it depends on the chardev
2758 * already existing.
2759 */
2760 static bool object_create_initial(const char *type, QemuOpts *opts)
2761 {
2762 ObjectClass *klass;
2763
2764 if (is_help_option(type)) {
2765 GSList *l, *list;
2766
2767 printf("List of user creatable objects:\n");
2768 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2769 for (l = list; l != NULL; l = l->next) {
2770 ObjectClass *oc = OBJECT_CLASS(l->data);
2771 printf(" %s\n", object_class_get_name(oc));
2772 }
2773 g_slist_free(list);
2774 exit(0);
2775 }
2776
2777 klass = object_class_by_name(type);
2778 if (klass && qemu_opt_has_help_opt(opts)) {
2779 ObjectPropertyIterator iter;
2780 ObjectProperty *prop;
2781 GPtrArray *array = g_ptr_array_new();
2782 int i;
2783
2784 object_class_property_iter_init(&iter, klass);
2785 while ((prop = object_property_iter_next(&iter))) {
2786 GString *str;
2787
2788 if (!prop->set) {
2789 continue;
2790 }
2791
2792 str = g_string_new(NULL);
2793 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2794 if (prop->description) {
2795 if (str->len < 24) {
2796 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2797 }
2798 g_string_append_printf(str, " - %s", prop->description);
2799 }
2800 g_ptr_array_add(array, g_string_free(str, false));
2801 }
2802 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2803 if (array->len > 0) {
2804 printf("%s options:\n", type);
2805 } else {
2806 printf("There are no options for %s.\n", type);
2807 }
2808 for (i = 0; i < array->len; i++) {
2809 printf("%s\n", (char *)array->pdata[i]);
2810 }
2811 g_ptr_array_set_free_func(array, g_free);
2812 g_ptr_array_free(array, true);
2813 exit(0);
2814 }
2815
2816 if (g_str_equal(type, "rng-egd") ||
2817 g_str_has_prefix(type, "pr-manager-")) {
2818 return false;
2819 }
2820
2821 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2822 if (g_str_equal(type, "cryptodev-vhost-user")) {
2823 return false;
2824 }
2825 #endif
2826
2827 /*
2828 * return false for concrete netfilters since
2829 * they depend on netdevs already existing
2830 */
2831 if (g_str_equal(type, "filter-buffer") ||
2832 g_str_equal(type, "filter-dump") ||
2833 g_str_equal(type, "filter-mirror") ||
2834 g_str_equal(type, "filter-redirector") ||
2835 g_str_equal(type, "colo-compare") ||
2836 g_str_equal(type, "filter-rewriter") ||
2837 g_str_equal(type, "filter-replay")) {
2838 return false;
2839 }
2840
2841 /* Memory allocation by backends needs to be done
2842 * after configure_accelerator() (due to the tcg_enabled()
2843 * checks at memory_region_init_*()).
2844 *
2845 * Also, allocation of large amounts of memory may delay
2846 * chardev initialization for too long, and trigger timeouts
2847 * on software that waits for a monitor socket to be created
2848 * (e.g. libvirt).
2849 */
2850 if (g_str_has_prefix(type, "memory-backend-")) {
2851 return false;
2852 }
2853
2854 return true;
2855 }
2856
2857
2858 /*
2859 * The remainder of object creation happens after the
2860 * creation of chardev, fsdev, net clients and device data types.
2861 */
2862 static bool object_create_delayed(const char *type, QemuOpts *opts)
2863 {
2864 return !object_create_initial(type, opts);
2865 }
2866
2867
2868 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2869 MachineClass *mc)
2870 {
2871 uint64_t sz;
2872 const char *mem_str;
2873 const ram_addr_t default_ram_size = mc->default_ram_size;
2874 QemuOpts *opts = qemu_find_opts_singleton("memory");
2875 Location loc;
2876
2877 loc_push_none(&loc);
2878 qemu_opts_loc_restore(opts);
2879
2880 sz = 0;
2881 mem_str = qemu_opt_get(opts, "size");
2882 if (mem_str) {
2883 if (!*mem_str) {
2884 error_report("missing 'size' option value");
2885 exit(EXIT_FAILURE);
2886 }
2887
2888 sz = qemu_opt_get_size(opts, "size", ram_size);
2889
2890 /* Fix up legacy suffix-less format */
2891 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2892 uint64_t overflow_check = sz;
2893
2894 sz *= MiB;
2895 if (sz / MiB != overflow_check) {
2896 error_report("too large 'size' option value");
2897 exit(EXIT_FAILURE);
2898 }
2899 }
2900 }
2901
2902 /* backward compatibility behaviour for case "-m 0" */
2903 if (sz == 0) {
2904 sz = default_ram_size;
2905 }
2906
2907 sz = QEMU_ALIGN_UP(sz, 8192);
2908 ram_size = sz;
2909 if (ram_size != sz) {
2910 error_report("ram size too large");
2911 exit(EXIT_FAILURE);
2912 }
2913
2914 /* store value for the future use */
2915 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2916 *maxram_size = ram_size;
2917
2918 if (qemu_opt_get(opts, "maxmem")) {
2919 uint64_t slots;
2920
2921 sz = qemu_opt_get_size(opts, "maxmem", 0);
2922 slots = qemu_opt_get_number(opts, "slots", 0);
2923 if (sz < ram_size) {
2924 error_report("invalid value of -m option maxmem: "
2925 "maximum memory size (0x%" PRIx64 ") must be at least "
2926 "the initial memory size (0x" RAM_ADDR_FMT ")",
2927 sz, ram_size);
2928 exit(EXIT_FAILURE);
2929 } else if (slots && sz == ram_size) {
2930 error_report("invalid value of -m option maxmem: "
2931 "memory slots were specified but maximum memory size "
2932 "(0x%" PRIx64 ") is equal to the initial memory size "
2933 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2934 exit(EXIT_FAILURE);
2935 }
2936
2937 *maxram_size = sz;
2938 *ram_slots = slots;
2939 } else if (qemu_opt_get(opts, "slots")) {
2940 error_report("invalid -m option value: missing 'maxmem' option");
2941 exit(EXIT_FAILURE);
2942 }
2943
2944 loc_pop(&loc);
2945 }
2946
2947 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2948 {
2949 GlobalProperty *g;
2950
2951 g = g_malloc0(sizeof(*g));
2952 g->driver = qemu_opt_get(opts, "driver");
2953 g->property = qemu_opt_get(opts, "property");
2954 g->value = qemu_opt_get(opts, "value");
2955 g->user_provided = true;
2956 g->errp = &error_fatal;
2957 qdev_prop_register_global(g);
2958 return 0;
2959 }
2960
2961 static int qemu_read_default_config_file(void)
2962 {
2963 int ret;
2964
2965 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2966 if (ret < 0 && ret != -ENOENT) {
2967 return ret;
2968 }
2969
2970 return 0;
2971 }
2972
2973 static void user_register_global_props(void)
2974 {
2975 qemu_opts_foreach(qemu_find_opts("global"),
2976 global_init_func, NULL, NULL);
2977 }
2978
2979 /*
2980 * Note: we should see that these properties are actually having a
2981 * priority: accel < machine < user. This means e.g. when user
2982 * specifies something in "-global", it'll always be used with highest
2983 * priority than either machine/accelerator compat properties.
2984 */
2985 static void register_global_properties(MachineState *ms)
2986 {
2987 accel_register_compat_props(ms->accelerator);
2988 machine_register_compat_props(ms);
2989 user_register_global_props();
2990 }
2991
2992 int main(int argc, char **argv, char **envp)
2993 {
2994 int i;
2995 int snapshot, linux_boot;
2996 const char *initrd_filename;
2997 const char *kernel_filename, *kernel_cmdline;
2998 const char *boot_order = NULL;
2999 const char *boot_once = NULL;
3000 DisplayState *ds;
3001 QemuOpts *opts, *machine_opts;
3002 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
3003 QemuOptsList *olist;
3004 int optind;
3005 const char *optarg;
3006 const char *loadvm = NULL;
3007 MachineClass *machine_class;
3008 const char *cpu_model;
3009 const char *vga_model = NULL;
3010 const char *qtest_chrdev = NULL;
3011 const char *qtest_log = NULL;
3012 const char *incoming = NULL;
3013 bool userconfig = true;
3014 bool nographic = false;
3015 int display_remote = 0;
3016 const char *log_mask = NULL;
3017 const char *log_file = NULL;
3018 char *trace_file = NULL;
3019 ram_addr_t maxram_size;
3020 uint64_t ram_slots = 0;
3021 FILE *vmstate_dump_file = NULL;
3022 Error *main_loop_err = NULL;
3023 Error *err = NULL;
3024 bool list_data_dirs = false;
3025 char *dir, **dirs;
3026 typedef struct BlockdevOptions_queue {
3027 BlockdevOptions *bdo;
3028 Location loc;
3029 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3030 } BlockdevOptions_queue;
3031 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3032 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3033
3034 module_call_init(MODULE_INIT_TRACE);
3035
3036 qemu_init_cpu_list();
3037 qemu_init_cpu_loop();
3038
3039 qemu_mutex_lock_iothread();
3040
3041 atexit(qemu_run_exit_notifiers);
3042 error_set_progname(argv[0]);
3043 qemu_init_exec_dir(argv[0]);
3044
3045 module_call_init(MODULE_INIT_QOM);
3046
3047 qemu_add_opts(&qemu_drive_opts);
3048 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3049 qemu_add_drive_opts(&qemu_common_drive_opts);
3050 qemu_add_drive_opts(&qemu_drive_opts);
3051 qemu_add_drive_opts(&bdrv_runtime_opts);
3052 qemu_add_opts(&qemu_chardev_opts);
3053 qemu_add_opts(&qemu_device_opts);
3054 qemu_add_opts(&qemu_netdev_opts);
3055 qemu_add_opts(&qemu_nic_opts);
3056 qemu_add_opts(&qemu_net_opts);
3057 qemu_add_opts(&qemu_rtc_opts);
3058 qemu_add_opts(&qemu_global_opts);
3059 qemu_add_opts(&qemu_mon_opts);
3060 qemu_add_opts(&qemu_trace_opts);
3061 qemu_add_opts(&qemu_option_rom_opts);
3062 qemu_add_opts(&qemu_machine_opts);
3063 qemu_add_opts(&qemu_accel_opts);
3064 qemu_add_opts(&qemu_mem_opts);
3065 qemu_add_opts(&qemu_smp_opts);
3066 qemu_add_opts(&qemu_boot_opts);
3067 qemu_add_opts(&qemu_add_fd_opts);
3068 qemu_add_opts(&qemu_object_opts);
3069 qemu_add_opts(&qemu_tpmdev_opts);
3070 qemu_add_opts(&qemu_realtime_opts);
3071 qemu_add_opts(&qemu_overcommit_opts);
3072 qemu_add_opts(&qemu_msg_opts);
3073 qemu_add_opts(&qemu_name_opts);
3074 qemu_add_opts(&qemu_numa_opts);
3075 qemu_add_opts(&qemu_icount_opts);
3076 qemu_add_opts(&qemu_semihosting_config_opts);
3077 qemu_add_opts(&qemu_fw_cfg_opts);
3078 module_call_init(MODULE_INIT_OPTS);
3079
3080 runstate_init();
3081 postcopy_infrastructure_init();
3082 monitor_init_globals();
3083
3084 if (qcrypto_init(&err) < 0) {
3085 error_reportf_err(err, "cannot initialize crypto: ");
3086 exit(1);
3087 }
3088
3089 QLIST_INIT (&vm_change_state_head);
3090 os_setup_early_signal_handling();
3091
3092 cpu_model = NULL;
3093 snapshot = 0;
3094
3095 nb_nics = 0;
3096
3097 bdrv_init_with_whitelist();
3098
3099 autostart = 1;
3100
3101 /* first pass of option parsing */
3102 optind = 1;
3103 while (optind < argc) {
3104 if (argv[optind][0] != '-') {
3105 /* disk image */
3106 optind++;
3107 } else {
3108 const QEMUOption *popt;
3109
3110 popt = lookup_opt(argc, argv, &optarg, &optind);
3111 switch (popt->index) {
3112 case QEMU_OPTION_nouserconfig:
3113 userconfig = false;
3114 break;
3115 }
3116 }
3117 }
3118
3119 if (userconfig) {
3120 if (qemu_read_default_config_file() < 0) {
3121 exit(1);
3122 }
3123 }
3124
3125 /* second pass of option parsing */
3126 optind = 1;
3127 for(;;) {
3128 if (optind >= argc)
3129 break;
3130 if (argv[optind][0] != '-') {
3131 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3132 } else {
3133 const QEMUOption *popt;
3134
3135 popt = lookup_opt(argc, argv, &optarg, &optind);
3136 if (!(popt->arch_mask & arch_type)) {
3137 error_report("Option not supported for this target");
3138 exit(1);
3139 }
3140 switch(popt->index) {
3141 case QEMU_OPTION_cpu:
3142 /* hw initialization will check this */
3143 cpu_model = optarg;
3144 break;
3145 case QEMU_OPTION_hda:
3146 case QEMU_OPTION_hdb:
3147 case QEMU_OPTION_hdc:
3148 case QEMU_OPTION_hdd:
3149 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3150 HD_OPTS);
3151 break;
3152 case QEMU_OPTION_blockdev:
3153 {
3154 Visitor *v;
3155 BlockdevOptions_queue *bdo;
3156
3157 v = qobject_input_visitor_new_str(optarg, "driver",
3158 &error_fatal);
3159
3160 bdo = g_new(BlockdevOptions_queue, 1);
3161 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3162 &error_fatal);
3163 visit_free(v);
3164 loc_save(&bdo->loc);
3165 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3166 break;
3167 }
3168 case QEMU_OPTION_drive:
3169 if (drive_def(optarg) == NULL) {
3170 exit(1);
3171 }
3172 break;
3173 case QEMU_OPTION_set:
3174 if (qemu_set_option(optarg) != 0)
3175 exit(1);
3176 break;
3177 case QEMU_OPTION_global:
3178 if (qemu_global_option(optarg) != 0)
3179 exit(1);
3180 break;
3181 case QEMU_OPTION_mtdblock:
3182 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3183 break;
3184 case QEMU_OPTION_sd:
3185 drive_add(IF_SD, -1, optarg, SD_OPTS);
3186 break;
3187 case QEMU_OPTION_pflash:
3188 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3189 break;
3190 case QEMU_OPTION_snapshot:
3191 snapshot = 1;
3192 break;
3193 case QEMU_OPTION_numa:
3194 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3195 optarg, true);
3196 if (!opts) {
3197 exit(1);
3198 }
3199 break;
3200 case QEMU_OPTION_display:
3201 parse_display(optarg);
3202 break;
3203 case QEMU_OPTION_nographic:
3204 olist = qemu_find_opts("machine");
3205 qemu_opts_parse_noisily(olist, "graphics=off", false);
3206 nographic = true;
3207 dpy.type = DISPLAY_TYPE_NONE;
3208 break;
3209 case QEMU_OPTION_curses:
3210 #ifdef CONFIG_CURSES
3211 dpy.type = DISPLAY_TYPE_CURSES;
3212 #else
3213 error_report("curses support is disabled");
3214 exit(1);
3215 #endif
3216 break;
3217 case QEMU_OPTION_portrait:
3218 graphic_rotate = 90;
3219 break;
3220 case QEMU_OPTION_rotate:
3221 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3222 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3223 graphic_rotate != 180 && graphic_rotate != 270) {
3224 error_report("only 90, 180, 270 deg rotation is available");
3225 exit(1);
3226 }
3227 break;
3228 case QEMU_OPTION_kernel:
3229 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3230 &error_abort);
3231 break;
3232 case QEMU_OPTION_initrd:
3233 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3234 &error_abort);
3235 break;
3236 case QEMU_OPTION_append:
3237 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3238 &error_abort);
3239 break;
3240 case QEMU_OPTION_dtb:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3242 &error_abort);
3243 break;
3244 case QEMU_OPTION_cdrom:
3245 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3246 break;
3247 case QEMU_OPTION_boot:
3248 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3249 optarg, true);
3250 if (!opts) {
3251 exit(1);
3252 }
3253 break;
3254 case QEMU_OPTION_fda:
3255 case QEMU_OPTION_fdb:
3256 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3257 optarg, FD_OPTS);
3258 break;
3259 case QEMU_OPTION_no_fd_bootchk:
3260 fd_bootchk = 0;
3261 break;
3262 case QEMU_OPTION_netdev:
3263 default_net = 0;
3264 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3265 exit(1);
3266 }
3267 break;
3268 case QEMU_OPTION_nic:
3269 default_net = 0;
3270 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3271 exit(1);
3272 }
3273 break;
3274 case QEMU_OPTION_net:
3275 default_net = 0;
3276 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3277 exit(1);
3278 }
3279 break;
3280 #ifdef CONFIG_LIBISCSI
3281 case QEMU_OPTION_iscsi:
3282 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3283 optarg, false);
3284 if (!opts) {
3285 exit(1);
3286 }
3287 break;
3288 #endif
3289 case QEMU_OPTION_bt:
3290 warn_report("The bluetooth subsystem is deprecated and will "
3291 "be removed soon. If the bluetooth subsystem is "
3292 "still useful for you, please send a mail to "
3293 "qemu-devel@nongnu.org with your usecase.");
3294 add_device_config(DEV_BT, optarg);
3295 break;
3296 case QEMU_OPTION_audio_help:
3297 AUD_help ();
3298 exit (0);
3299 break;
3300 case QEMU_OPTION_soundhw:
3301 select_soundhw (optarg);
3302 break;
3303 case QEMU_OPTION_h:
3304 help(0);
3305 break;
3306 case QEMU_OPTION_version:
3307 version();
3308 exit(0);
3309 break;
3310 case QEMU_OPTION_m:
3311 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3312 optarg, true);
3313 if (!opts) {
3314 exit(EXIT_FAILURE);
3315 }
3316 break;
3317 #ifdef CONFIG_TPM
3318 case QEMU_OPTION_tpmdev:
3319 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3320 exit(1);
3321 }
3322 break;
3323 #endif
3324 case QEMU_OPTION_mempath:
3325 mem_path = optarg;
3326 break;
3327 case QEMU_OPTION_mem_prealloc:
3328 mem_prealloc = 1;
3329 break;
3330 case QEMU_OPTION_d:
3331 log_mask = optarg;
3332 break;
3333 case QEMU_OPTION_D:
3334 log_file = optarg;
3335 break;
3336 case QEMU_OPTION_DFILTER:
3337 qemu_set_dfilter_ranges(optarg, &error_fatal);
3338 break;
3339 case QEMU_OPTION_s:
3340 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3341 break;
3342 case QEMU_OPTION_gdb:
3343 add_device_config(DEV_GDB, optarg);
3344 break;
3345 case QEMU_OPTION_L:
3346 if (is_help_option(optarg)) {
3347 list_data_dirs = true;
3348 } else {
3349 qemu_add_data_dir(optarg);
3350 }
3351 break;
3352 case QEMU_OPTION_bios:
3353 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3354 &error_abort);
3355 break;
3356 case QEMU_OPTION_singlestep:
3357 singlestep = 1;
3358 break;
3359 case QEMU_OPTION_S:
3360 autostart = 0;
3361 break;
3362 case QEMU_OPTION_k:
3363 keyboard_layout = optarg;
3364 break;
3365 case QEMU_OPTION_vga:
3366 vga_model = optarg;
3367 default_vga = 0;
3368 break;
3369 case QEMU_OPTION_g:
3370 {
3371 const char *p;
3372 int w, h, depth;
3373 p = optarg;
3374 w = strtol(p, (char **)&p, 10);
3375 if (w <= 0) {
3376 graphic_error:
3377 error_report("invalid resolution or depth");
3378 exit(1);
3379 }
3380 if (*p != 'x')
3381 goto graphic_error;
3382 p++;
3383 h = strtol(p, (char **)&p, 10);
3384 if (h <= 0)
3385 goto graphic_error;
3386 if (*p == 'x') {
3387 p++;
3388 depth = strtol(p, (char **)&p, 10);
3389 if (depth != 8 && depth != 15 && depth != 16 &&
3390 depth != 24 && depth != 32)
3391 goto graphic_error;
3392 } else if (*p == '\0') {
3393 depth = graphic_depth;
3394 } else {
3395 goto graphic_error;
3396 }
3397
3398 graphic_width = w;
3399 graphic_height = h;
3400 graphic_depth = depth;
3401 }
3402 break;
3403 case QEMU_OPTION_echr:
3404 {
3405 char *r;
3406 term_escape_char = strtol(optarg, &r, 0);
3407 if (r == optarg)
3408 printf("Bad argument to echr\n");
3409 break;
3410 }
3411 case QEMU_OPTION_monitor:
3412 default_monitor = 0;
3413 if (strncmp(optarg, "none", 4)) {
3414 monitor_parse(optarg, "readline", false);
3415 }
3416 break;
3417 case QEMU_OPTION_qmp:
3418 monitor_parse(optarg, "control", false);
3419 default_monitor = 0;
3420 break;
3421 case QEMU_OPTION_qmp_pretty:
3422 monitor_parse(optarg, "control", true);
3423 default_monitor = 0;
3424 break;
3425 case QEMU_OPTION_mon:
3426 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3427 true);
3428 if (!opts) {
3429 exit(1);
3430 }
3431 default_monitor = 0;
3432 break;
3433 case QEMU_OPTION_chardev:
3434 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3435 optarg, true);
3436 if (!opts) {
3437 exit(1);
3438 }
3439 break;
3440 case QEMU_OPTION_fsdev:
3441 olist = qemu_find_opts("fsdev");
3442 if (!olist) {
3443 error_report("fsdev support is disabled");
3444 exit(1);
3445 }
3446 opts = qemu_opts_parse_noisily(olist, optarg, true);
3447 if (!opts) {
3448 exit(1);
3449 }
3450 break;
3451 case QEMU_OPTION_virtfs: {
3452 QemuOpts *fsdev;
3453 QemuOpts *device;
3454 const char *writeout, *sock_fd, *socket, *path, *security_model;
3455
3456 olist = qemu_find_opts("virtfs");
3457 if (!olist) {
3458 error_report("virtfs support is disabled");
3459 exit(1);
3460 }
3461 opts = qemu_opts_parse_noisily(olist, optarg, true);
3462 if (!opts) {
3463 exit(1);
3464 }
3465
3466 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3467 qemu_opt_get(opts, "mount_tag") == NULL) {
3468 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3469 exit(1);
3470 }
3471 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3472 qemu_opts_id(opts) ?:
3473 qemu_opt_get(opts, "mount_tag"),
3474 1, NULL);
3475 if (!fsdev) {
3476 error_report("duplicate or invalid fsdev id: %s",
3477 qemu_opt_get(opts, "mount_tag"));
3478 exit(1);
3479 }
3480
3481 writeout = qemu_opt_get(opts, "writeout");
3482 if (writeout) {
3483 #ifdef CONFIG_SYNC_FILE_RANGE
3484 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3485 #else
3486 error_report("writeout=immediate not supported "
3487 "on this platform");
3488 exit(1);
3489 #endif
3490 }
3491 qemu_opt_set(fsdev, "fsdriver",
3492 qemu_opt_get(opts, "fsdriver"), &error_abort);
3493 path = qemu_opt_get(opts, "path");
3494 if (path) {
3495 qemu_opt_set(fsdev, "path", path, &error_abort);
3496 }
3497 security_model = qemu_opt_get(opts, "security_model");
3498 if (security_model) {
3499 qemu_opt_set(fsdev, "security_model", security_model,
3500 &error_abort);
3501 }
3502 socket = qemu_opt_get(opts, "socket");
3503 if (socket) {
3504 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3505 }
3506 sock_fd = qemu_opt_get(opts, "sock_fd");
3507 if (sock_fd) {
3508 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3509 }
3510
3511 qemu_opt_set_bool(fsdev, "readonly",
3512 qemu_opt_get_bool(opts, "readonly", 0),
3513 &error_abort);
3514 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3515 &error_abort);
3516 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3517 qemu_opt_set(device, "fsdev",
3518 qemu_opts_id(fsdev), &error_abort);
3519 qemu_opt_set(device, "mount_tag",
3520 qemu_opt_get(opts, "mount_tag"), &error_abort);
3521 break;
3522 }
3523 case QEMU_OPTION_virtfs_synth: {
3524 QemuOpts *fsdev;
3525 QemuOpts *device;
3526
3527 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3528 1, NULL);
3529 if (!fsdev) {
3530 error_report("duplicate option: %s", "virtfs_synth");
3531 exit(1);
3532 }
3533 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3534
3535 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3536 &error_abort);
3537 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3538 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3539 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3540 break;
3541 }
3542 case QEMU_OPTION_serial:
3543 add_device_config(DEV_SERIAL, optarg);
3544 default_serial = 0;
3545 if (strncmp(optarg, "mon:", 4) == 0) {
3546 default_monitor = 0;
3547 }
3548 break;
3549 case QEMU_OPTION_watchdog:
3550 if (watchdog) {
3551 error_report("only one watchdog option may be given");
3552 return 1;
3553 }
3554 watchdog = optarg;
3555 break;
3556 case QEMU_OPTION_watchdog_action:
3557 if (select_watchdog_action(optarg) == -1) {
3558 error_report("unknown -watchdog-action parameter");
3559 exit(1);
3560 }
3561 break;
3562 case QEMU_OPTION_virtiocon:
3563 warn_report("This option is deprecated, "
3564 "use '-device virtconsole' instead");
3565 add_device_config(DEV_VIRTCON, optarg);
3566 default_virtcon = 0;
3567 if (strncmp(optarg, "mon:", 4) == 0) {
3568 default_monitor = 0;
3569 }
3570 break;
3571 case QEMU_OPTION_parallel:
3572 add_device_config(DEV_PARALLEL, optarg);
3573 default_parallel = 0;
3574 if (strncmp(optarg, "mon:", 4) == 0) {
3575 default_monitor = 0;
3576 }
3577 break;
3578 case QEMU_OPTION_debugcon:
3579 add_device_config(DEV_DEBUGCON, optarg);
3580 break;
3581 case QEMU_OPTION_loadvm:
3582 loadvm = optarg;
3583 break;
3584 case QEMU_OPTION_full_screen:
3585 dpy.has_full_screen = true;
3586 dpy.full_screen = true;
3587 break;
3588 case QEMU_OPTION_no_frame:
3589 g_printerr("The -no-frame switch is deprecated, and will be\n"
3590 "removed in a future release.\n");
3591 no_frame = 1;
3592 break;
3593 case QEMU_OPTION_alt_grab:
3594 alt_grab = 1;
3595 break;
3596 case QEMU_OPTION_ctrl_grab:
3597 ctrl_grab = 1;
3598 break;
3599 case QEMU_OPTION_no_quit:
3600 dpy.has_window_close = true;
3601 dpy.window_close = false;
3602 break;
3603 case QEMU_OPTION_sdl:
3604 #ifdef CONFIG_SDL
3605 dpy.type = DISPLAY_TYPE_SDL;
3606 break;
3607 #else
3608 error_report("SDL support is disabled");
3609 exit(1);
3610 #endif
3611 case QEMU_OPTION_pidfile:
3612 pid_file = optarg;
3613 break;
3614 case QEMU_OPTION_win2k_hack:
3615 win2k_install_hack = 1;
3616 break;
3617 case QEMU_OPTION_acpitable:
3618 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3619 optarg, true);
3620 if (!opts) {
3621 exit(1);
3622 }
3623 acpi_table_add(opts, &error_fatal);
3624 break;
3625 case QEMU_OPTION_smbios:
3626 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3627 optarg, false);
3628 if (!opts) {
3629 exit(1);
3630 }
3631 smbios_entry_add(opts, &error_fatal);
3632 break;
3633 case QEMU_OPTION_fwcfg:
3634 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3635 optarg, true);
3636 if (opts == NULL) {
3637 exit(1);
3638 }
3639 break;
3640 case QEMU_OPTION_preconfig:
3641 preconfig_exit_requested = false;
3642 break;
3643 case QEMU_OPTION_enable_kvm:
3644 olist = qemu_find_opts("machine");
3645 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3646 break;
3647 case QEMU_OPTION_enable_hax:
3648 warn_report("Option is deprecated, use '-accel hax' instead");
3649 olist = qemu_find_opts("machine");
3650 qemu_opts_parse_noisily(olist, "accel=hax", false);
3651 break;
3652 case QEMU_OPTION_M:
3653 case QEMU_OPTION_machine:
3654 olist = qemu_find_opts("machine");
3655 opts = qemu_opts_parse_noisily(olist, optarg, true);
3656 if (!opts) {
3657 exit(1);
3658 }
3659 break;
3660 case QEMU_OPTION_no_kvm:
3661 olist = qemu_find_opts("machine");
3662 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3663 break;
3664 case QEMU_OPTION_accel:
3665 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3666 optarg, true);
3667 optarg = qemu_opt_get(accel_opts, "accel");
3668 if (!optarg || is_help_option(optarg)) {
3669 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3670 exit(0);
3671 }
3672 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3673 false, &error_abort);
3674 qemu_opt_set(opts, "accel", optarg, &error_abort);
3675 break;
3676 case QEMU_OPTION_usb:
3677 olist = qemu_find_opts("machine");
3678 qemu_opts_parse_noisily(olist, "usb=on", false);
3679 break;
3680 case QEMU_OPTION_usbdevice:
3681 error_report("'-usbdevice' is deprecated, please use "
3682 "'-device usb-...' instead");
3683 olist = qemu_find_opts("machine");
3684 qemu_opts_parse_noisily(olist, "usb=on", false);
3685 add_device_config(DEV_USB, optarg);
3686 break;
3687 case QEMU_OPTION_device:
3688 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3689 optarg, true)) {
3690 exit(1);
3691 }
3692 break;
3693 case QEMU_OPTION_smp:
3694 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3695 optarg, true)) {
3696 exit(1);
3697 }
3698 break;
3699 case QEMU_OPTION_vnc:
3700 vnc_parse(optarg, &error_fatal);
3701 break;
3702 case QEMU_OPTION_no_acpi:
3703 acpi_enabled = 0;
3704 break;
3705 case QEMU_OPTION_no_hpet:
3706 no_hpet = 1;
3707 break;
3708 case QEMU_OPTION_no_reboot:
3709 no_reboot = 1;
3710 break;
3711 case QEMU_OPTION_no_shutdown:
3712 no_shutdown = 1;
3713 break;
3714 case QEMU_OPTION_show_cursor:
3715 cursor_hide = 0;
3716 break;
3717 case QEMU_OPTION_uuid:
3718 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3719 error_report("failed to parse UUID string: wrong format");
3720 exit(1);
3721 }
3722 qemu_uuid_set = true;
3723 break;
3724 case QEMU_OPTION_option_rom:
3725 if (nb_option_roms >= MAX_OPTION_ROMS) {
3726 error_report("too many option ROMs");
3727 exit(1);
3728 }
3729 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3730 optarg, true);
3731 if (!opts) {
3732 exit(1);
3733 }
3734 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3735 option_rom[nb_option_roms].bootindex =
3736 qemu_opt_get_number(opts, "bootindex", -1);
3737 if (!option_rom[nb_option_roms].name) {
3738 error_report("Option ROM file is not specified");
3739 exit(1);
3740 }
3741 nb_option_roms++;
3742 break;
3743 case QEMU_OPTION_semihosting:
3744 semihosting.enabled = true;
3745 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3746 break;
3747 case QEMU_OPTION_semihosting_config:
3748 semihosting.enabled = true;
3749 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3750 optarg, false);
3751 if (opts != NULL) {
3752 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3753 true);
3754 const char *target = qemu_opt_get(opts, "target");
3755 if (target != NULL) {
3756 if (strcmp("native", target) == 0) {
3757 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3758 } else if (strcmp("gdb", target) == 0) {
3759 semihosting.target = SEMIHOSTING_TARGET_GDB;
3760 } else if (strcmp("auto", target) == 0) {
3761 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3762 } else {
3763 error_report("unsupported semihosting-config %s",
3764 optarg);
3765 exit(1);
3766 }
3767 } else {
3768 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3769 }
3770 /* Set semihosting argument count and vector */
3771 qemu_opt_foreach(opts, add_semihosting_arg,
3772 &semihosting, NULL);
3773 } else {
3774 error_report("unsupported semihosting-config %s", optarg);
3775 exit(1);
3776 }
3777 break;
3778 case QEMU_OPTION_name:
3779 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3780 optarg, true);
3781 if (!opts) {
3782 exit(1);
3783 }
3784 break;
3785 case QEMU_OPTION_prom_env:
3786 if (nb_prom_envs >= MAX_PROM_ENVS) {
3787 error_report("too many prom variables");
3788 exit(1);
3789 }
3790 prom_envs[nb_prom_envs] = optarg;
3791 nb_prom_envs++;
3792 break;
3793 case QEMU_OPTION_old_param:
3794 old_param = 1;
3795 break;
3796 case QEMU_OPTION_clock:
3797 /* Clock options no longer exist. Keep this option for
3798 * backward compatibility.
3799 */
3800 warn_report("This option is ignored and will be removed soon");
3801 break;
3802 case QEMU_OPTION_rtc:
3803 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3804 false);
3805 if (!opts) {
3806 exit(1);
3807 }
3808 break;
3809 case QEMU_OPTION_tb_size:
3810 #ifndef CONFIG_TCG
3811 error_report("TCG is disabled");
3812 exit(1);
3813 #endif
3814 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3815 error_report("Invalid argument to -tb-size");
3816 exit(1);
3817 }
3818 break;
3819 case QEMU_OPTION_icount:
3820 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3821 optarg, true);
3822 if (!icount_opts) {
3823 exit(1);
3824 }
3825 break;
3826 case QEMU_OPTION_incoming:
3827 if (!incoming) {
3828 runstate_set(RUN_STATE_INMIGRATE);
3829 }
3830 incoming = optarg;
3831 break;
3832 case QEMU_OPTION_only_migratable:
3833 /*
3834 * TODO: we can remove this option one day, and we
3835 * should all use:
3836 *
3837 * "-global migration.only-migratable=true"
3838 */
3839 qemu_global_option("migration.only-migratable=true");
3840 break;
3841 case QEMU_OPTION_nodefaults:
3842 has_defaults = 0;
3843 break;
3844 case QEMU_OPTION_xen_domid:
3845 if (!(xen_available())) {
3846 error_report("Option not supported for this target");
3847 exit(1);
3848 }
3849 xen_domid = atoi(optarg);
3850 break;
3851 case QEMU_OPTION_xen_create:
3852 if (!(xen_available())) {
3853 error_report("Option not supported for this target");
3854 exit(1);
3855 }
3856 xen_mode = XEN_CREATE;
3857 break;
3858 case QEMU_OPTION_xen_attach:
3859 if (!(xen_available())) {
3860 error_report("Option not supported for this target");
3861 exit(1);
3862 }
3863 xen_mode = XEN_ATTACH;
3864 break;
3865 case QEMU_OPTION_xen_domid_restrict:
3866 if (!(xen_available())) {
3867 error_report("Option not supported for this target");
3868 exit(1);
3869 }
3870 xen_domid_restrict = true;
3871 break;
3872 case QEMU_OPTION_trace:
3873 g_free(trace_file);
3874 trace_file = trace_opt_parse(optarg);
3875 break;
3876 case QEMU_OPTION_readconfig:
3877 {
3878 int ret = qemu_read_config_file(optarg);
3879 if (ret < 0) {
3880 error_report("read config %s: %s", optarg,
3881 strerror(-ret));
3882 exit(1);
3883 }
3884 break;
3885 }
3886 case QEMU_OPTION_spice:
3887 olist = qemu_find_opts("spice");
3888 if (!olist) {
3889 error_report("spice support is disabled");
3890 exit(1);
3891 }
3892 opts = qemu_opts_parse_noisily(olist, optarg, false);
3893 if (!opts) {
3894 exit(1);
3895 }
3896 display_remote++;
3897 break;
3898 case QEMU_OPTION_writeconfig:
3899 {
3900 FILE *fp;
3901 if (strcmp(optarg, "-") == 0) {
3902 fp = stdout;
3903 } else {
3904 fp = fopen(optarg, "w");
3905 if (fp == NULL) {
3906 error_report("open %s: %s", optarg,
3907 strerror(errno));
3908 exit(1);
3909 }
3910 }
3911 qemu_config_write(fp);
3912 if (fp != stdout) {
3913 fclose(fp);
3914 }
3915 break;
3916 }
3917 case QEMU_OPTION_qtest:
3918 qtest_chrdev = optarg;
3919 break;
3920 case QEMU_OPTION_qtest_log:
3921 qtest_log = optarg;
3922 break;
3923 case QEMU_OPTION_sandbox:
3924 #ifdef CONFIG_SECCOMP
3925 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3926 optarg, true);
3927 if (!opts) {
3928 exit(1);
3929 }
3930 #else
3931 error_report("-sandbox support is not enabled "
3932 "in this QEMU binary");
3933 exit(1);
3934 #endif
3935 break;
3936 case QEMU_OPTION_add_fd:
3937 #ifndef _WIN32
3938 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3939 optarg, false);
3940 if (!opts) {
3941 exit(1);
3942 }
3943 #else
3944 error_report("File descriptor passing is disabled on this "
3945 "platform");
3946 exit(1);
3947 #endif
3948 break;
3949 case QEMU_OPTION_object:
3950 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3951 optarg, true);
3952 if (!opts) {
3953 exit(1);
3954 }
3955 break;
3956 case QEMU_OPTION_realtime:
3957 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3958 optarg, false);
3959 if (!opts) {
3960 exit(1);
3961 }
3962 /* Don't override the -overcommit option if set */
3963 enable_mlock = enable_mlock ||
3964 qemu_opt_get_bool(opts, "mlock", true);
3965 break;
3966 case QEMU_OPTION_overcommit:
3967 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3968 optarg, false);
3969 if (!opts) {
3970 exit(1);
3971 }
3972 /* Don't override the -realtime option if set */
3973 enable_mlock = enable_mlock ||
3974 qemu_opt_get_bool(opts, "mem-lock", false);
3975 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3976 break;
3977 case QEMU_OPTION_msg:
3978 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3979 false);
3980 if (!opts) {
3981 exit(1);
3982 }
3983 configure_msg(opts);
3984 break;
3985 case QEMU_OPTION_dump_vmstate:
3986 if (vmstate_dump_file) {
3987 error_report("only one '-dump-vmstate' "
3988 "option may be given");
3989 exit(1);
3990 }
3991 vmstate_dump_file = fopen(optarg, "w");
3992 if (vmstate_dump_file == NULL) {
3993 error_report("open %s: %s", optarg, strerror(errno));
3994 exit(1);
3995 }
3996 break;
3997 case QEMU_OPTION_enable_sync_profile:
3998 qsp_enable();
3999 break;
4000 case QEMU_OPTION_nouserconfig:
4001 /* Nothing to be parsed here. Especially, do not error out below. */
4002 break;
4003 default:
4004 if (os_parse_cmd_args(popt->index, optarg)) {
4005 error_report("Option not supported in this build");
4006 exit(1);
4007 }
4008 }
4009 }
4010 }
4011 /*
4012 * Clear error location left behind by the loop.
4013 * Best done right after the loop. Do not insert code here!
4014 */
4015 loc_set_none();
4016
4017 replay_configure(icount_opts);
4018
4019 if (incoming && !preconfig_exit_requested) {
4020 error_report("'preconfig' and 'incoming' options are "
4021 "mutually exclusive");
4022 exit(EXIT_FAILURE);
4023 }
4024
4025 configure_rtc(qemu_find_opts_singleton("rtc"));
4026
4027 machine_class = select_machine();
4028
4029 set_memory_options(&ram_slots, &maxram_size, machine_class);
4030
4031 os_daemonize();
4032 rcu_disable_atfork();
4033
4034 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4035 error_reportf_err(err, "cannot create PID file: ");
4036 exit(1);
4037 }
4038
4039 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4040 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4041
4042 if (qemu_init_main_loop(&main_loop_err)) {
4043 error_report_err(main_loop_err);
4044 exit(1);
4045 }
4046
4047 #ifdef CONFIG_SECCOMP
4048 olist = qemu_find_opts_err("sandbox", NULL);
4049 if (olist) {
4050 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4051 }
4052 #endif
4053
4054 qemu_opts_foreach(qemu_find_opts("name"),
4055 parse_name, NULL, &error_fatal);
4056
4057 #ifndef _WIN32
4058 qemu_opts_foreach(qemu_find_opts("add-fd"),
4059 parse_add_fd, NULL, &error_fatal);
4060
4061 qemu_opts_foreach(qemu_find_opts("add-fd"),
4062 cleanup_add_fd, NULL, &error_fatal);
4063 #endif
4064
4065 current_machine = MACHINE(object_new(object_class_get_name(
4066 OBJECT_CLASS(machine_class))));
4067 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4068 exit(0);
4069 }
4070 object_property_add_child(object_get_root(), "machine",
4071 OBJECT(current_machine), &error_abort);
4072
4073 if (machine_class->minimum_page_bits) {
4074 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4075 /* This would be a board error: specifying a minimum smaller than
4076 * a target's compile-time fixed setting.
4077 */
4078 g_assert_not_reached();
4079 }
4080 }
4081
4082 cpu_exec_init_all();
4083
4084 if (machine_class->hw_version) {
4085 qemu_set_hw_version(machine_class->hw_version);
4086 }
4087
4088 if (cpu_model && is_help_option(cpu_model)) {
4089 list_cpus(stdout, &fprintf, cpu_model);
4090 exit(0);
4091 }
4092
4093 if (!trace_init_backends()) {
4094 exit(1);
4095 }
4096 trace_init_file(trace_file);
4097
4098 /* Open the logfile at this point and set the log mask if necessary.
4099 */
4100 if (log_file) {
4101 qemu_set_log_filename(log_file, &error_fatal);
4102 }
4103
4104 if (log_mask) {
4105 int mask;
4106 mask = qemu_str_to_log_mask(log_mask);
4107 if (!mask) {
4108 qemu_print_log_usage(stdout);
4109 exit(1);
4110 }
4111 qemu_set_log(mask);
4112 } else {
4113 qemu_set_log(0);
4114 }
4115
4116 /* add configured firmware directories */
4117 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4118 for (i = 0; dirs[i] != NULL; i++) {
4119 qemu_add_data_dir(dirs[i]);
4120 }
4121 g_strfreev(dirs);
4122
4123 /* try to find datadir relative to the executable path */
4124 dir = os_find_datadir();
4125 qemu_add_data_dir(dir);
4126 g_free(dir);
4127
4128 /* add the datadir specified when building */
4129 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4130
4131 /* -L help lists the data directories and exits. */
4132 if (list_data_dirs) {
4133 for (i = 0; i < data_dir_idx; i++) {
4134 printf("%s\n", data_dir[i]);
4135 }
4136 exit(0);
4137 }
4138
4139 /* machine_class: default to UP */
4140 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4141 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4142 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4143
4144 /* default to machine_class->default_cpus */
4145 smp_cpus = machine_class->default_cpus;
4146 max_cpus = machine_class->default_cpus;
4147
4148 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4149
4150 /* sanity-check smp_cpus and max_cpus against machine_class */
4151 if (smp_cpus < machine_class->min_cpus) {
4152 error_report("Invalid SMP CPUs %d. The min CPUs "
4153 "supported by machine '%s' is %d", smp_cpus,
4154 machine_class->name, machine_class->min_cpus);
4155 exit(1);
4156 }
4157 if (max_cpus > machine_class->max_cpus) {
4158 error_report("Invalid SMP CPUs %d. The max CPUs "
4159 "supported by machine '%s' is %d", max_cpus,
4160 machine_class->name, machine_class->max_cpus);
4161 exit(1);
4162 }
4163
4164 /*
4165 * Get the default machine options from the machine if it is not already
4166 * specified either by the configuration file or by the command line.
4167 */
4168 if (machine_class->default_machine_opts) {
4169 qemu_opts_set_defaults(qemu_find_opts("machine"),
4170 machine_class->default_machine_opts, 0);
4171 }
4172
4173 qemu_opts_foreach(qemu_find_opts("device"),
4174 default_driver_check, NULL, NULL);
4175 qemu_opts_foreach(qemu_find_opts("global"),
4176 default_driver_check, NULL, NULL);
4177
4178 if (!vga_model && !default_vga) {
4179 vga_interface_type = VGA_DEVICE;
4180 }
4181 if (!has_defaults || machine_class->no_serial) {
4182 default_serial = 0;
4183 }
4184 if (!has_defaults || machine_class->no_parallel) {
4185 default_parallel = 0;
4186 }
4187 if (!has_defaults || !machine_class->use_virtcon) {
4188 default_virtcon = 0;
4189 }
4190 if (!has_defaults || machine_class->no_floppy) {
4191 default_floppy = 0;
4192 }
4193 if (!has_defaults || machine_class->no_cdrom) {
4194 default_cdrom = 0;
4195 }
4196 if (!has_defaults || machine_class->no_sdcard) {
4197 default_sdcard = 0;
4198 }
4199 if (!has_defaults) {
4200 default_monitor = 0;
4201 default_net = 0;
4202 default_vga = 0;
4203 }
4204
4205 if (is_daemonized()) {
4206 if (!preconfig_exit_requested) {
4207 error_report("'preconfig' and 'daemonize' options are "
4208 "mutually exclusive");
4209 exit(EXIT_FAILURE);
4210 }
4211
4212 /* According to documentation and historically, -nographic redirects
4213 * serial port, parallel port and monitor to stdio, which does not work
4214 * with -daemonize. We can redirect these to null instead, but since
4215 * -nographic is legacy, let's just error out.
4216 * We disallow -nographic only if all other ports are not redirected
4217 * explicitly, to not break existing legacy setups which uses
4218 * -nographic _and_ redirects all ports explicitly - this is valid
4219 * usage, -nographic is just a no-op in this case.
4220 */
4221 if (nographic
4222 && (default_parallel || default_serial
4223 || default_monitor || default_virtcon)) {
4224 error_report("-nographic cannot be used with -daemonize");
4225 exit(1);
4226 }
4227 #ifdef CONFIG_CURSES
4228 if (dpy.type == DISPLAY_TYPE_CURSES) {
4229 error_report("curses display cannot be used with -daemonize");
4230 exit(1);
4231 }
4232 #endif
4233 }
4234
4235 if (nographic) {
4236 if (default_parallel)
4237 add_device_config(DEV_PARALLEL, "null");
4238 if (default_serial && default_monitor) {
4239 add_device_config(DEV_SERIAL, "mon:stdio");
4240 } else if (default_virtcon && default_monitor) {
4241 add_device_config(DEV_VIRTCON, "mon:stdio");
4242 } else {
4243 if (default_serial)
4244 add_device_config(DEV_SERIAL, "stdio");
4245 if (default_virtcon)
4246 add_device_config(DEV_VIRTCON, "stdio");
4247 if (default_monitor)
4248 monitor_parse("stdio", "readline", false);
4249 }
4250 } else {
4251 if (default_serial)
4252 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4253 if (default_parallel)
4254 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4255 if (default_monitor)
4256 monitor_parse("vc:80Cx24C", "readline", false);
4257 if (default_virtcon)
4258 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4259 }
4260
4261 #if defined(CONFIG_VNC)
4262 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4263 display_remote++;
4264 }
4265 #endif
4266 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4267 if (!qemu_display_find_default(&dpy)) {
4268 dpy.type = DISPLAY_TYPE_NONE;
4269 #if defined(CONFIG_VNC)
4270 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4271 #endif
4272 }
4273 }
4274 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4275 dpy.type = DISPLAY_TYPE_NONE;
4276 }
4277
4278 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4279 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4280 "for SDL, ignoring option");
4281 }
4282 if (dpy.has_window_close &&
4283 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4284 error_report("-no-quit is only valid for GTK and SDL, "
4285 "ignoring option");
4286 }
4287
4288 qemu_display_early_init(&dpy);
4289 qemu_console_early_init();
4290
4291 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4292 #if defined(CONFIG_OPENGL)
4293 error_report("OpenGL is not supported by the display");
4294 #else
4295 error_report("OpenGL support is disabled");
4296 #endif
4297 exit(1);
4298 }
4299
4300 page_size_init();
4301 socket_init();
4302
4303 qemu_opts_foreach(qemu_find_opts("object"),
4304 user_creatable_add_opts_foreach,
4305 object_create_initial, &error_fatal);
4306
4307 qemu_opts_foreach(qemu_find_opts("chardev"),
4308 chardev_init_func, NULL, &error_fatal);
4309
4310 #ifdef CONFIG_VIRTFS
4311 qemu_opts_foreach(qemu_find_opts("fsdev"),
4312 fsdev_init_func, NULL, &error_fatal);
4313 #endif
4314
4315 if (qemu_opts_foreach(qemu_find_opts("device"),
4316 device_help_func, NULL, NULL)) {
4317 exit(0);
4318 }
4319
4320 machine_opts = qemu_get_machine_opts();
4321 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4322 &error_fatal);
4323
4324 configure_accelerator(current_machine);
4325
4326 if (!qtest_enabled() && machine_class->deprecation_reason) {
4327 error_report("Machine type '%s' is deprecated: %s",
4328 machine_class->name, machine_class->deprecation_reason);
4329 }
4330
4331 /*
4332 * Register all the global properties, including accel properties,
4333 * machine properties, and user-specified ones.
4334 */
4335 register_global_properties(current_machine);
4336
4337 /*
4338 * Migration object can only be created after global properties
4339 * are applied correctly.
4340 */
4341 migration_object_init();
4342
4343 if (qtest_chrdev) {
4344 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4345 }
4346
4347 machine_opts = qemu_get_machine_opts();
4348 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4349 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4350 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4351 bios_name = qemu_opt_get(machine_opts, "firmware");
4352
4353 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4354 if (opts) {
4355 boot_order = qemu_opt_get(opts, "order");
4356 if (boot_order) {
4357 validate_bootdevices(boot_order, &error_fatal);
4358 }
4359
4360 boot_once = qemu_opt_get(opts, "once");
4361 if (boot_once) {
4362 validate_bootdevices(boot_once, &error_fatal);
4363 }
4364
4365 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4366 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4367 }
4368
4369 if (!boot_order) {
4370 boot_order = machine_class->default_boot_order;
4371 }
4372
4373 if (!kernel_cmdline) {
4374 kernel_cmdline = "";
4375 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4376 }
4377
4378 linux_boot = (kernel_filename != NULL);
4379
4380 if (!linux_boot && *kernel_cmdline != '\0') {
4381 error_report("-append only allowed with -kernel option");
4382 exit(1);
4383 }
4384
4385 if (!linux_boot && initrd_filename != NULL) {
4386 error_report("-initrd only allowed with -kernel option");
4387 exit(1);
4388 }
4389
4390 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4391 /* fall back to the -kernel/-append */
4392 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4393 }
4394
4395 os_set_line_buffering();
4396
4397 /* spice needs the timers to be initialized by this point */
4398 qemu_spice_init();
4399
4400 cpu_ticks_init();
4401 if (icount_opts) {
4402 if (!tcg_enabled()) {
4403 error_report("-icount is not allowed with hardware virtualization");
4404 exit(1);
4405 }
4406 configure_icount(icount_opts, &error_abort);
4407 qemu_opts_del(icount_opts);
4408 }
4409
4410 if (tcg_enabled()) {
4411 qemu_tcg_configure(accel_opts, &error_fatal);
4412 }
4413
4414 if (default_net) {
4415 QemuOptsList *net = qemu_find_opts("net");
4416 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4417 #ifdef CONFIG_SLIRP
4418 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4419 #endif
4420 }
4421
4422 if (net_init_clients(&err) < 0) {
4423 error_report_err(err);
4424 exit(1);
4425 }
4426
4427 qemu_opts_foreach(qemu_find_opts("object"),
4428 user_creatable_add_opts_foreach,
4429 object_create_delayed, &error_fatal);
4430
4431 tpm_init();
4432
4433 /* init the bluetooth world */
4434 if (foreach_device_config(DEV_BT, bt_parse))
4435 exit(1);
4436
4437 if (!xen_enabled()) {
4438 /* On 32-bit hosts, QEMU is limited by virtual address space */
4439 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4440 error_report("at most 2047 MB RAM can be simulated");
4441 exit(1);
4442 }
4443 }
4444
4445 blk_mig_init();
4446 ram_mig_init();
4447 dirty_bitmap_mig_init();
4448
4449 /* If the currently selected machine wishes to override the units-per-bus
4450 * property of its default HBA interface type, do so now. */
4451 if (machine_class->units_per_default_bus) {
4452 override_max_devs(machine_class->block_default_type,
4453 machine_class->units_per_default_bus);
4454 }
4455
4456 /* open the virtual block devices */
4457 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4458 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4459
4460 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4461 loc_push_restore(&bdo->loc);
4462 qmp_blockdev_add(bdo->bdo, &error_fatal);
4463 loc_pop(&bdo->loc);
4464 qapi_free_BlockdevOptions(bdo->bdo);
4465 g_free(bdo);
4466 }
4467 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4468 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4469 NULL, NULL);
4470 }
4471 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4472 &machine_class->block_default_type, &error_fatal)) {
4473 /* We printed help */
4474 exit(0);
4475 }
4476
4477 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4478 CDROM_OPTS);
4479 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4480 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4481
4482 qemu_opts_foreach(qemu_find_opts("mon"),
4483 mon_init_func, NULL, &error_fatal);
4484
4485 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4486 exit(1);
4487 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4488 exit(1);
4489 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4490 exit(1);
4491 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4492 exit(1);
4493
4494 /* If no default VGA is requested, the default is "none". */
4495 if (default_vga) {
4496 if (machine_class->default_display) {
4497 vga_model = machine_class->default_display;
4498 } else if (vga_interface_available(VGA_CIRRUS)) {
4499 vga_model = "cirrus";
4500 } else if (vga_interface_available(VGA_STD)) {
4501 vga_model = "std";
4502 }
4503 }
4504 if (vga_model) {
4505 select_vgahw(vga_model);
4506 }
4507
4508 if (watchdog) {
4509 i = select_watchdog(watchdog);
4510 if (i > 0)
4511 exit (i == 1 ? 1 : 0);
4512 }
4513
4514 /* This checkpoint is required by replay to separate prior clock
4515 reading from the other reads, because timer polling functions query
4516 clock values from the log. */
4517 replay_checkpoint(CHECKPOINT_INIT);
4518 qdev_machine_init();
4519
4520 current_machine->ram_size = ram_size;
4521 current_machine->maxram_size = maxram_size;
4522 current_machine->ram_slots = ram_slots;
4523 current_machine->boot_order = boot_order;
4524
4525 /* parse features once if machine provides default cpu_type */
4526 current_machine->cpu_type = machine_class->default_cpu_type;
4527 if (cpu_model) {
4528 current_machine->cpu_type = parse_cpu_model(cpu_model);
4529 }
4530 parse_numa_opts(current_machine);
4531
4532 /* do monitor/qmp handling at preconfig state if requested */
4533 main_loop();
4534
4535 /* from here on runstate is RUN_STATE_PRELAUNCH */
4536 machine_run_board_init(current_machine);
4537
4538 realtime_init();
4539
4540 soundhw_init();
4541
4542 if (hax_enabled()) {
4543 hax_sync_vcpus();
4544 }
4545
4546 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4547 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4548
4549 /* init USB devices */
4550 if (machine_usb(current_machine)) {
4551 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4552 exit(1);
4553 }
4554
4555 /* Check if IGD GFX passthrough. */
4556 igd_gfx_passthru();
4557
4558 /* init generic devices */
4559 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4560 qemu_opts_foreach(qemu_find_opts("device"),
4561 device_init_func, NULL, &error_fatal);
4562
4563 cpu_synchronize_all_post_init();
4564
4565 rom_reset_order_override();
4566
4567 /* Did we create any drives that we failed to create a device for? */
4568 drive_check_orphaned();
4569
4570 /* Don't warn about the default network setup that you get if
4571 * no command line -net or -netdev options are specified. There
4572 * are two cases that we would otherwise complain about:
4573 * (1) board doesn't support a NIC but the implicit "-net nic"
4574 * requested one
4575 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4576 * sets up a nic that isn't connected to anything.
4577 */
4578 if (!default_net && (!qtest_enabled() || has_defaults)) {
4579 net_check_clients();
4580 }
4581
4582 if (boot_once) {
4583 qemu_boot_set(boot_once, &error_fatal);
4584 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4585 }
4586
4587 /* init local displays */
4588 ds = init_displaystate();
4589 qemu_display_init(ds, &dpy);
4590
4591 /* must be after terminal init, SDL library changes signal handlers */
4592 os_setup_signal_handling();
4593
4594 /* init remote displays */
4595 #ifdef CONFIG_VNC
4596 qemu_opts_foreach(qemu_find_opts("vnc"),
4597 vnc_init_func, NULL, &error_fatal);
4598 #endif
4599
4600 if (using_spice) {
4601 qemu_spice_display_init();
4602 }
4603
4604 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4605 exit(1);
4606 }
4607
4608 qdev_machine_creation_done();
4609
4610 /* TODO: once all bus devices are qdevified, this should be done
4611 * when bus is created by qdev.c */
4612 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4613 qemu_run_machine_init_done_notifiers();
4614
4615 if (rom_check_and_register_reset() != 0) {
4616 error_report("rom check and register reset failed");
4617 exit(1);
4618 }
4619
4620 replay_start();
4621
4622 /* This checkpoint is required by replay to separate prior clock
4623 reading from the other reads, because timer polling functions query
4624 clock values from the log. */
4625 replay_checkpoint(CHECKPOINT_RESET);
4626 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4627 register_global_state();
4628 if (loadvm) {
4629 Error *local_err = NULL;
4630 if (load_snapshot(loadvm, &local_err) < 0) {
4631 error_report_err(local_err);
4632 autostart = 0;
4633 exit(1);
4634 }
4635 }
4636 if (replay_mode != REPLAY_MODE_NONE) {
4637 replay_vmstate_init();
4638 }
4639
4640 qdev_prop_check_globals();
4641 if (vmstate_dump_file) {
4642 /* dump and exit */
4643 dump_vmstate_json_to_file(vmstate_dump_file);
4644 return 0;
4645 }
4646
4647 if (incoming) {
4648 Error *local_err = NULL;
4649 qemu_start_incoming_migration(incoming, &local_err);
4650 if (local_err) {
4651 error_reportf_err(local_err, "-incoming %s: ", incoming);
4652 exit(1);
4653 }
4654 } else if (autostart) {
4655 vm_start();
4656 }
4657
4658 accel_setup_post(current_machine);
4659 os_setup_post();
4660
4661 main_loop();
4662
4663 gdbserver_cleanup();
4664
4665 /* No more vcpu or device emulation activity beyond this point */
4666 vm_shutdown();
4667
4668 job_cancel_sync_all();
4669 bdrv_close_all();
4670
4671 res_free();
4672
4673 /* vhost-user must be cleaned up before chardevs. */
4674 tpm_cleanup();
4675 net_cleanup();
4676 audio_cleanup();
4677 monitor_cleanup();
4678 qemu_chr_cleanup();
4679 user_creatable_cleanup();
4680 migration_object_finalize();
4681 /* TODO: unref root container, check all devices are ok */
4682
4683 return 0;
4684 }
AR7 emulation for QEMU