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tests/tcg/mips: Add tests for R5900 three-operand MULTU
[qemu/ar7.git] / vl.c
blobb2a405f80f718e43027e011f46d95bad7fb742c5
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/qmp/qerror.h"
132 #include "sysemu/iothread.h"
133
134 #define MAX_VIRTIO_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int display_opengl;
141 const char* keyboard_layout = NULL;
142 ram_addr_t ram_size;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 bool enable_cpu_pm = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static enum {
151 RTC_BASE_UTC,
152 RTC_BASE_LOCALTIME,
153 RTC_BASE_DATETIME,
154 } rtc_base_type = RTC_BASE_UTC;
155 static time_t rtc_ref_start_datetime;
156 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
157 static int rtc_host_datetime_offset = -1; /* valid & used only with
158 RTC_BASE_DATETIME */
159 QEMUClockType rtc_clock;
160 int vga_interface_type = VGA_NONE;
161 static DisplayOptions dpy;
162 int no_frame;
163 static int num_serial_hds;
164 static Chardev **serial_hds;
165 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
166 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
167 int win2k_install_hack = 0;
168 int singlestep = 0;
169 int smp_cpus;
170 unsigned int max_cpus;
171 int smp_cores = 1;
172 int smp_threads = 1;
173 int acpi_enabled = 1;
174 int no_hpet = 0;
175 int fd_bootchk = 1;
176 static int no_reboot;
177 int no_shutdown = 0;
178 int cursor_hide = 1;
179 int graphic_rotate = 0;
180 const char *watchdog;
181 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
182 int nb_option_roms;
183 int old_param = 0;
184 const char *qemu_name;
185 int alt_grab = 0;
186 int ctrl_grab = 0;
187 unsigned int nb_prom_envs = 0;
188 const char *prom_envs[MAX_PROM_ENVS];
189 int boot_menu;
190 bool boot_strict;
191 uint8_t *boot_splash_filedata;
192 size_t boot_splash_filedata_size;
193 uint8_t qemu_extra_params_fw[2];
194
195 int icount_align_option;
196
197 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
198 * little-endian "wire format" described in the SMBIOS 2.6 specification.
199 */
200 QemuUUID qemu_uuid;
201 bool qemu_uuid_set;
202
203 static NotifierList exit_notifiers =
204 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
205
206 static NotifierList machine_init_done_notifiers =
207 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
208
209 bool xen_allowed;
210 uint32_t xen_domid;
211 enum xen_mode xen_mode = XEN_EMULATE;
212 bool xen_domid_restrict;
213
214 static int has_defaults = 1;
215 static int default_serial = 1;
216 static int default_parallel = 1;
217 static int default_virtcon = 1;
218 static int default_monitor = 1;
219 static int default_floppy = 1;
220 static int default_cdrom = 1;
221 static int default_sdcard = 1;
222 static int default_vga = 1;
223 static int default_net = 1;
224
225 static struct {
226 const char *driver;
227 int *flag;
228 } default_list[] = {
229 { .driver = "isa-serial", .flag = &default_serial },
230 { .driver = "isa-parallel", .flag = &default_parallel },
231 { .driver = "isa-fdc", .flag = &default_floppy },
232 { .driver = "floppy", .flag = &default_floppy },
233 { .driver = "ide-cd", .flag = &default_cdrom },
234 { .driver = "ide-hd", .flag = &default_cdrom },
235 { .driver = "ide-drive", .flag = &default_cdrom },
236 { .driver = "scsi-cd", .flag = &default_cdrom },
237 { .driver = "scsi-hd", .flag = &default_cdrom },
238 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
239 { .driver = "virtio-serial", .flag = &default_virtcon },
240 { .driver = "VGA", .flag = &default_vga },
241 { .driver = "isa-vga", .flag = &default_vga },
242 { .driver = "cirrus-vga", .flag = &default_vga },
243 { .driver = "isa-cirrus-vga", .flag = &default_vga },
244 { .driver = "vmware-svga", .flag = &default_vga },
245 { .driver = "qxl-vga", .flag = &default_vga },
246 { .driver = "virtio-vga", .flag = &default_vga },
247 };
248
249 static QemuOptsList qemu_rtc_opts = {
250 .name = "rtc",
251 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
252 .merge_lists = true,
253 .desc = {
254 {
255 .name = "base",
256 .type = QEMU_OPT_STRING,
257 },{
258 .name = "clock",
259 .type = QEMU_OPT_STRING,
260 },{
261 .name = "driftfix",
262 .type = QEMU_OPT_STRING,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_option_rom_opts = {
269 .name = "option-rom",
270 .implied_opt_name = "romfile",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
272 .desc = {
273 {
274 .name = "bootindex",
275 .type = QEMU_OPT_NUMBER,
276 }, {
277 .name = "romfile",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_machine_opts = {
285 .name = "machine",
286 .implied_opt_name = "type",
287 .merge_lists = true,
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
289 .desc = {
290 /*
291 * no elements => accept any
292 * sanity checking will happen later
293 * when setting machine properties
294 */
295 { }
296 },
297 };
298
299 static QemuOptsList qemu_accel_opts = {
300 .name = "accel",
301 .implied_opt_name = "accel",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
303 .merge_lists = true,
304 .desc = {
305 {
306 .name = "accel",
307 .type = QEMU_OPT_STRING,
308 .help = "Select the type of accelerator",
309 },
310 {
311 .name = "thread",
312 .type = QEMU_OPT_STRING,
313 .help = "Enable/disable multi-threaded TCG",
314 },
315 { /* end of list */ }
316 },
317 };
318
319 static QemuOptsList qemu_boot_opts = {
320 .name = "boot-opts",
321 .implied_opt_name = "order",
322 .merge_lists = true,
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
324 .desc = {
325 {
326 .name = "order",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "once",
330 .type = QEMU_OPT_STRING,
331 }, {
332 .name = "menu",
333 .type = QEMU_OPT_BOOL,
334 }, {
335 .name = "splash",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "splash-time",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "reboot-timeout",
342 .type = QEMU_OPT_STRING,
343 }, {
344 .name = "strict",
345 .type = QEMU_OPT_BOOL,
346 },
347 { /*End of list */ }
348 },
349 };
350
351 static QemuOptsList qemu_add_fd_opts = {
352 .name = "add-fd",
353 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
354 .desc = {
355 {
356 .name = "fd",
357 .type = QEMU_OPT_NUMBER,
358 .help = "file descriptor of which a duplicate is added to fd set",
359 },{
360 .name = "set",
361 .type = QEMU_OPT_NUMBER,
362 .help = "ID of the fd set to add fd to",
363 },{
364 .name = "opaque",
365 .type = QEMU_OPT_STRING,
366 .help = "free-form string used to describe fd",
367 },
368 { /* end of list */ }
369 },
370 };
371
372 static QemuOptsList qemu_object_opts = {
373 .name = "object",
374 .implied_opt_name = "qom-type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
376 .desc = {
377 { }
378 },
379 };
380
381 static QemuOptsList qemu_tpmdev_opts = {
382 .name = "tpmdev",
383 .implied_opt_name = "type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
385 .desc = {
386 /* options are defined in the TPM backends */
387 { /* end of list */ }
388 },
389 };
390
391 static QemuOptsList qemu_realtime_opts = {
392 .name = "realtime",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
394 .desc = {
395 {
396 .name = "mlock",
397 .type = QEMU_OPT_BOOL,
398 },
399 { /* end of list */ }
400 },
401 };
402
403 static QemuOptsList qemu_overcommit_opts = {
404 .name = "overcommit",
405 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
406 .desc = {
407 {
408 .name = "mem-lock",
409 .type = QEMU_OPT_BOOL,
410 },
411 {
412 .name = "cpu-pm",
413 .type = QEMU_OPT_BOOL,
414 },
415 { /* end of list */ }
416 },
417 };
418
419 static QemuOptsList qemu_msg_opts = {
420 .name = "msg",
421 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
422 .desc = {
423 {
424 .name = "timestamp",
425 .type = QEMU_OPT_BOOL,
426 },
427 { /* end of list */ }
428 },
429 };
430
431 static QemuOptsList qemu_name_opts = {
432 .name = "name",
433 .implied_opt_name = "guest",
434 .merge_lists = true,
435 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
436 .desc = {
437 {
438 .name = "guest",
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the guest.\n"
441 "This name will be displayed in the SDL window caption.\n"
442 "The name will also be used for the VNC server",
443 }, {
444 .name = "process",
445 .type = QEMU_OPT_STRING,
446 .help = "Sets the name of the QEMU process, as shown in top etc",
447 }, {
448 .name = "debug-threads",
449 .type = QEMU_OPT_BOOL,
450 .help = "When enabled, name the individual threads; defaults off.\n"
451 "NOTE: The thread names are for debugging and not a\n"
452 "stable API.",
453 },
454 { /* End of list */ }
455 },
456 };
457
458 static QemuOptsList qemu_mem_opts = {
459 .name = "memory",
460 .implied_opt_name = "size",
461 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
462 .merge_lists = true,
463 .desc = {
464 {
465 .name = "size",
466 .type = QEMU_OPT_SIZE,
467 },
468 {
469 .name = "slots",
470 .type = QEMU_OPT_NUMBER,
471 },
472 {
473 .name = "maxmem",
474 .type = QEMU_OPT_SIZE,
475 },
476 { /* end of list */ }
477 },
478 };
479
480 static QemuOptsList qemu_icount_opts = {
481 .name = "icount",
482 .implied_opt_name = "shift",
483 .merge_lists = true,
484 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
485 .desc = {
486 {
487 .name = "shift",
488 .type = QEMU_OPT_STRING,
489 }, {
490 .name = "align",
491 .type = QEMU_OPT_BOOL,
492 }, {
493 .name = "sleep",
494 .type = QEMU_OPT_BOOL,
495 }, {
496 .name = "rr",
497 .type = QEMU_OPT_STRING,
498 }, {
499 .name = "rrfile",
500 .type = QEMU_OPT_STRING,
501 }, {
502 .name = "rrsnapshot",
503 .type = QEMU_OPT_STRING,
504 },
505 { /* end of list */ }
506 },
507 };
508
509 static QemuOptsList qemu_semihosting_config_opts = {
510 .name = "semihosting-config",
511 .implied_opt_name = "enable",
512 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
513 .desc = {
514 {
515 .name = "enable",
516 .type = QEMU_OPT_BOOL,
517 }, {
518 .name = "target",
519 .type = QEMU_OPT_STRING,
520 }, {
521 .name = "arg",
522 .type = QEMU_OPT_STRING,
523 },
524 { /* end of list */ }
525 },
526 };
527
528 static QemuOptsList qemu_fw_cfg_opts = {
529 .name = "fw_cfg",
530 .implied_opt_name = "name",
531 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
532 .desc = {
533 {
534 .name = "name",
535 .type = QEMU_OPT_STRING,
536 .help = "Sets the fw_cfg name of the blob to be inserted",
537 }, {
538 .name = "file",
539 .type = QEMU_OPT_STRING,
540 .help = "Sets the name of the file from which\n"
541 "the fw_cfg blob will be loaded",
542 }, {
543 .name = "string",
544 .type = QEMU_OPT_STRING,
545 .help = "Sets content of the blob to be inserted from a string",
546 },
547 { /* end of list */ }
548 },
549 };
550
551 /**
552 * Get machine options
553 *
554 * Returns: machine options (never null).
555 */
556 QemuOpts *qemu_get_machine_opts(void)
557 {
558 return qemu_find_opts_singleton("machine");
559 }
560
561 const char *qemu_get_vm_name(void)
562 {
563 return qemu_name;
564 }
565
566 static void res_free(void)
567 {
568 g_free(boot_splash_filedata);
569 boot_splash_filedata = NULL;
570 }
571
572 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
573 {
574 const char *driver = qemu_opt_get(opts, "driver");
575 int i;
576
577 if (!driver)
578 return 0;
579 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
580 if (strcmp(default_list[i].driver, driver) != 0)
581 continue;
582 *(default_list[i].flag) = 0;
583 }
584 return 0;
585 }
586
587 /***********************************************************/
588 /* QEMU state */
589
590 static RunState current_run_state = RUN_STATE_PRECONFIG;
591
592 /* We use RUN_STATE__MAX but any invalid value will do */
593 static RunState vmstop_requested = RUN_STATE__MAX;
594 static QemuMutex vmstop_lock;
595
596 typedef struct {
597 RunState from;
598 RunState to;
599 } RunStateTransition;
600
601 static const RunStateTransition runstate_transitions_def[] = {
602 /* from -> to */
603 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
604 /* Early switch to inmigrate state to allow -incoming CLI option work
605 * as it used to. TODO: delay actual switching to inmigrate state to
606 * the point after machine is built and remove this hack.
607 */
608 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
609
610 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
611 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
613
614 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
615 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
616 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
617 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
618 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
620 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
621 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
622 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
625 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
626
627 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
630
631 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
632 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
634
635 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
636 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
638 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
639 { RUN_STATE_PAUSED, RUN_STATE_COLO},
640
641 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
644
645 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
646 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
648
649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
654
655 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
656 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
657
658 { RUN_STATE_COLO, RUN_STATE_RUNNING },
659
660 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
661 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
662 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
664 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
666 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
668 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
669 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
670 { RUN_STATE_RUNNING, RUN_STATE_COLO},
671
672 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
673
674 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
675 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
677
678 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
679 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
680 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
681 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
683 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
684
685 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
686 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
687 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
688 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
689
690 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
693
694 { RUN_STATE__MAX, RUN_STATE__MAX },
695 };
696
697 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
698
699 bool runstate_check(RunState state)
700 {
701 return current_run_state == state;
702 }
703
704 bool runstate_store(char *str, size_t size)
705 {
706 const char *state = RunState_str(current_run_state);
707 size_t len = strlen(state) + 1;
708
709 if (len > size) {
710 return false;
711 }
712 memcpy(str, state, len);
713 return true;
714 }
715
716 static void runstate_init(void)
717 {
718 const RunStateTransition *p;
719
720 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
721 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
722 runstate_valid_transitions[p->from][p->to] = true;
723 }
724
725 qemu_mutex_init(&vmstop_lock);
726 }
727
728 /* This function will abort() on invalid state transitions */
729 void runstate_set(RunState new_state)
730 {
731 assert(new_state < RUN_STATE__MAX);
732
733 if (current_run_state == new_state) {
734 return;
735 }
736
737 if (!runstate_valid_transitions[current_run_state][new_state]) {
738 error_report("invalid runstate transition: '%s' -> '%s'",
739 RunState_str(current_run_state),
740 RunState_str(new_state));
741 abort();
742 }
743 trace_runstate_set(new_state);
744 current_run_state = new_state;
745 }
746
747 int runstate_is_running(void)
748 {
749 return runstate_check(RUN_STATE_RUNNING);
750 }
751
752 bool runstate_needs_reset(void)
753 {
754 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
755 runstate_check(RUN_STATE_SHUTDOWN);
756 }
757
758 StatusInfo *qmp_query_status(Error **errp)
759 {
760 StatusInfo *info = g_malloc0(sizeof(*info));
761
762 info->running = runstate_is_running();
763 info->singlestep = singlestep;
764 info->status = current_run_state;
765
766 return info;
767 }
768
769 bool qemu_vmstop_requested(RunState *r)
770 {
771 qemu_mutex_lock(&vmstop_lock);
772 *r = vmstop_requested;
773 vmstop_requested = RUN_STATE__MAX;
774 qemu_mutex_unlock(&vmstop_lock);
775 return *r < RUN_STATE__MAX;
776 }
777
778 void qemu_system_vmstop_request_prepare(void)
779 {
780 qemu_mutex_lock(&vmstop_lock);
781 }
782
783 void qemu_system_vmstop_request(RunState state)
784 {
785 vmstop_requested = state;
786 qemu_mutex_unlock(&vmstop_lock);
787 qemu_notify_event();
788 }
789
790 /***********************************************************/
791 /* RTC reference time/date access */
792 static time_t qemu_ref_timedate(QEMUClockType clock)
793 {
794 time_t value = qemu_clock_get_ms(clock) / 1000;
795 switch (clock) {
796 case QEMU_CLOCK_REALTIME:
797 value -= rtc_realtime_clock_offset;
798 /* no break */
799 case QEMU_CLOCK_VIRTUAL:
800 value += rtc_ref_start_datetime;
801 break;
802 case QEMU_CLOCK_HOST:
803 if (rtc_base_type == RTC_BASE_DATETIME) {
804 value -= rtc_host_datetime_offset;
805 }
806 break;
807 default:
808 assert(0);
809 }
810 return value;
811 }
812
813 void qemu_get_timedate(struct tm *tm, int offset)
814 {
815 time_t ti = qemu_ref_timedate(rtc_clock);
816
817 ti += offset;
818
819 switch (rtc_base_type) {
820 case RTC_BASE_DATETIME:
821 case RTC_BASE_UTC:
822 gmtime_r(&ti, tm);
823 break;
824 case RTC_BASE_LOCALTIME:
825 localtime_r(&ti, tm);
826 break;
827 }
828 }
829
830 int qemu_timedate_diff(struct tm *tm)
831 {
832 time_t seconds;
833
834 switch (rtc_base_type) {
835 case RTC_BASE_DATETIME:
836 case RTC_BASE_UTC:
837 seconds = mktimegm(tm);
838 break;
839 case RTC_BASE_LOCALTIME:
840 {
841 struct tm tmp = *tm;
842 tmp.tm_isdst = -1; /* use timezone to figure it out */
843 seconds = mktime(&tmp);
844 break;
845 }
846 default:
847 abort();
848 }
849
850 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
851 }
852
853 static void configure_rtc_base_datetime(const char *startdate)
854 {
855 time_t rtc_start_datetime;
856 struct tm tm;
857
858 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
859 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
860 /* OK */
861 } else if (sscanf(startdate, "%d-%d-%d",
862 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
863 tm.tm_hour = 0;
864 tm.tm_min = 0;
865 tm.tm_sec = 0;
866 } else {
867 goto date_fail;
868 }
869 tm.tm_year -= 1900;
870 tm.tm_mon--;
871 rtc_start_datetime = mktimegm(&tm);
872 if (rtc_start_datetime == -1) {
873 date_fail:
874 error_report("invalid datetime format");
875 error_printf("valid formats: "
876 "'2006-06-17T16:01:21' or '2006-06-17'\n");
877 exit(1);
878 }
879 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
880 rtc_ref_start_datetime = rtc_start_datetime;
881 }
882
883 static void configure_rtc(QemuOpts *opts)
884 {
885 const char *value;
886
887 /* Set defaults */
888 rtc_clock = QEMU_CLOCK_HOST;
889 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
890 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
891
892 value = qemu_opt_get(opts, "base");
893 if (value) {
894 if (!strcmp(value, "utc")) {
895 rtc_base_type = RTC_BASE_UTC;
896 } else if (!strcmp(value, "localtime")) {
897 Error *blocker = NULL;
898 rtc_base_type = RTC_BASE_LOCALTIME;
899 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
900 "-rtc base=localtime");
901 replay_add_blocker(blocker);
902 } else {
903 rtc_base_type = RTC_BASE_DATETIME;
904 configure_rtc_base_datetime(value);
905 }
906 }
907 value = qemu_opt_get(opts, "clock");
908 if (value) {
909 if (!strcmp(value, "host")) {
910 rtc_clock = QEMU_CLOCK_HOST;
911 } else if (!strcmp(value, "rt")) {
912 rtc_clock = QEMU_CLOCK_REALTIME;
913 } else if (!strcmp(value, "vm")) {
914 rtc_clock = QEMU_CLOCK_VIRTUAL;
915 } else {
916 error_report("invalid option value '%s'", value);
917 exit(1);
918 }
919 }
920 value = qemu_opt_get(opts, "driftfix");
921 if (value) {
922 if (!strcmp(value, "slew")) {
923 static GlobalProperty slew_lost_ticks = {
924 .driver = "mc146818rtc",
925 .property = "lost_tick_policy",
926 .value = "slew",
927 };
928
929 qdev_prop_register_global(&slew_lost_ticks);
930 } else if (!strcmp(value, "none")) {
931 /* discard is default */
932 } else {
933 error_report("invalid option value '%s'", value);
934 exit(1);
935 }
936 }
937 }
938
939 /***********************************************************/
940 /* Bluetooth support */
941 static int nb_hcis;
942 static int cur_hci;
943 static struct HCIInfo *hci_table[MAX_NICS];
944
945 struct HCIInfo *qemu_next_hci(void)
946 {
947 if (cur_hci == nb_hcis)
948 return &null_hci;
949
950 return hci_table[cur_hci++];
951 }
952
953 static int bt_hci_parse(const char *str)
954 {
955 struct HCIInfo *hci;
956 bdaddr_t bdaddr;
957
958 if (nb_hcis >= MAX_NICS) {
959 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
960 return -1;
961 }
962
963 hci = hci_init(str);
964 if (!hci)
965 return -1;
966
967 bdaddr.b[0] = 0x52;
968 bdaddr.b[1] = 0x54;
969 bdaddr.b[2] = 0x00;
970 bdaddr.b[3] = 0x12;
971 bdaddr.b[4] = 0x34;
972 bdaddr.b[5] = 0x56 + nb_hcis;
973 hci->bdaddr_set(hci, bdaddr.b);
974
975 hci_table[nb_hcis++] = hci;
976
977 return 0;
978 }
979
980 static void bt_vhci_add(int vlan_id)
981 {
982 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
983
984 if (!vlan->slave)
985 warn_report("adding a VHCI to an empty scatternet %i",
986 vlan_id);
987
988 bt_vhci_init(bt_new_hci(vlan));
989 }
990
991 static struct bt_device_s *bt_device_add(const char *opt)
992 {
993 struct bt_scatternet_s *vlan;
994 int vlan_id = 0;
995 char *endp = strstr(opt, ",vlan=");
996 int len = (endp ? endp - opt : strlen(opt)) + 1;
997 char devname[10];
998
999 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1000
1001 if (endp) {
1002 vlan_id = strtol(endp + 6, &endp, 0);
1003 if (*endp) {
1004 error_report("unrecognised bluetooth vlan Id");
1005 return 0;
1006 }
1007 }
1008
1009 vlan = qemu_find_bt_vlan(vlan_id);
1010
1011 if (!vlan->slave)
1012 warn_report("adding a slave device to an empty scatternet %i",
1013 vlan_id);
1014
1015 if (!strcmp(devname, "keyboard"))
1016 return bt_keyboard_init(vlan);
1017
1018 error_report("unsupported bluetooth device '%s'", devname);
1019 return 0;
1020 }
1021
1022 static int bt_parse(const char *opt)
1023 {
1024 const char *endp, *p;
1025 int vlan;
1026
1027 if (strstart(opt, "hci", &endp)) {
1028 if (!*endp || *endp == ',') {
1029 if (*endp)
1030 if (!strstart(endp, ",vlan=", 0))
1031 opt = endp + 1;
1032
1033 return bt_hci_parse(opt);
1034 }
1035 } else if (strstart(opt, "vhci", &endp)) {
1036 if (!*endp || *endp == ',') {
1037 if (*endp) {
1038 if (strstart(endp, ",vlan=", &p)) {
1039 vlan = strtol(p, (char **) &endp, 0);
1040 if (*endp) {
1041 error_report("bad scatternet '%s'", p);
1042 return 1;
1043 }
1044 } else {
1045 error_report("bad parameter '%s'", endp + 1);
1046 return 1;
1047 }
1048 } else
1049 vlan = 0;
1050
1051 bt_vhci_add(vlan);
1052 return 0;
1053 }
1054 } else if (strstart(opt, "device:", &endp))
1055 return !bt_device_add(endp);
1056
1057 error_report("bad bluetooth parameter '%s'", opt);
1058 return 1;
1059 }
1060
1061 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1062 {
1063 const char *proc_name;
1064
1065 if (qemu_opt_get(opts, "debug-threads")) {
1066 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1067 }
1068 qemu_name = qemu_opt_get(opts, "guest");
1069
1070 proc_name = qemu_opt_get(opts, "process");
1071 if (proc_name) {
1072 os_set_proc_name(proc_name);
1073 }
1074
1075 return 0;
1076 }
1077
1078 bool defaults_enabled(void)
1079 {
1080 return has_defaults;
1081 }
1082
1083 #ifndef _WIN32
1084 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1085 {
1086 int fd, dupfd, flags;
1087 int64_t fdset_id;
1088 const char *fd_opaque = NULL;
1089 AddfdInfo *fdinfo;
1090
1091 fd = qemu_opt_get_number(opts, "fd", -1);
1092 fdset_id = qemu_opt_get_number(opts, "set", -1);
1093 fd_opaque = qemu_opt_get(opts, "opaque");
1094
1095 if (fd < 0) {
1096 error_setg(errp, "fd option is required and must be non-negative");
1097 return -1;
1098 }
1099
1100 if (fd <= STDERR_FILENO) {
1101 error_setg(errp, "fd cannot be a standard I/O stream");
1102 return -1;
1103 }
1104
1105 /*
1106 * All fds inherited across exec() necessarily have FD_CLOEXEC
1107 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1108 */
1109 flags = fcntl(fd, F_GETFD);
1110 if (flags == -1 || (flags & FD_CLOEXEC)) {
1111 error_setg(errp, "fd is not valid or already in use");
1112 return -1;
1113 }
1114
1115 if (fdset_id < 0) {
1116 error_setg(errp, "set option is required and must be non-negative");
1117 return -1;
1118 }
1119
1120 #ifdef F_DUPFD_CLOEXEC
1121 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1122 #else
1123 dupfd = dup(fd);
1124 if (dupfd != -1) {
1125 qemu_set_cloexec(dupfd);
1126 }
1127 #endif
1128 if (dupfd == -1) {
1129 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1130 return -1;
1131 }
1132
1133 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1134 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1135 &error_abort);
1136 g_free(fdinfo);
1137
1138 return 0;
1139 }
1140
1141 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1142 {
1143 int fd;
1144
1145 fd = qemu_opt_get_number(opts, "fd", -1);
1146 close(fd);
1147
1148 return 0;
1149 }
1150 #endif
1151
1152 /***********************************************************/
1153 /* QEMU Block devices */
1154
1155 #define HD_OPTS "media=disk"
1156 #define CDROM_OPTS "media=cdrom"
1157 #define FD_OPTS ""
1158 #define PFLASH_OPTS ""
1159 #define MTD_OPTS ""
1160 #define SD_OPTS ""
1161
1162 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1163 {
1164 BlockInterfaceType *block_default_type = opaque;
1165
1166 return drive_new(opts, *block_default_type, errp) == NULL;
1167 }
1168
1169 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1170 {
1171 if (qemu_opt_get(opts, "snapshot") == NULL) {
1172 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1173 }
1174 return 0;
1175 }
1176
1177 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1178 int index, const char *optstr)
1179 {
1180 QemuOpts *opts;
1181 DriveInfo *dinfo;
1182
1183 if (!enable || drive_get_by_index(type, index)) {
1184 return;
1185 }
1186
1187 opts = drive_add(type, index, NULL, optstr);
1188 if (snapshot) {
1189 drive_enable_snapshot(NULL, opts, NULL);
1190 }
1191
1192 dinfo = drive_new(opts, type, &error_abort);
1193 dinfo->is_default = true;
1194
1195 }
1196
1197 static QemuOptsList qemu_smp_opts = {
1198 .name = "smp-opts",
1199 .implied_opt_name = "cpus",
1200 .merge_lists = true,
1201 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1202 .desc = {
1203 {
1204 .name = "cpus",
1205 .type = QEMU_OPT_NUMBER,
1206 }, {
1207 .name = "sockets",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "cores",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "threads",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "maxcpus",
1217 .type = QEMU_OPT_NUMBER,
1218 },
1219 { /*End of list */ }
1220 },
1221 };
1222
1223 static void smp_parse(QemuOpts *opts)
1224 {
1225 if (opts) {
1226 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1227 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1228 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1229 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1230
1231 /* compute missing values, prefer sockets over cores over threads */
1232 if (cpus == 0 || sockets == 0) {
1233 sockets = sockets > 0 ? sockets : 1;
1234 cores = cores > 0 ? cores : 1;
1235 threads = threads > 0 ? threads : 1;
1236 if (cpus == 0) {
1237 cpus = cores * threads * sockets;
1238 }
1239 } else if (cores == 0) {
1240 threads = threads > 0 ? threads : 1;
1241 cores = cpus / (sockets * threads);
1242 cores = cores > 0 ? cores : 1;
1243 } else if (threads == 0) {
1244 threads = cpus / (cores * sockets);
1245 threads = threads > 0 ? threads : 1;
1246 } else if (sockets * cores * threads < cpus) {
1247 error_report("cpu topology: "
1248 "sockets (%u) * cores (%u) * threads (%u) < "
1249 "smp_cpus (%u)",
1250 sockets, cores, threads, cpus);
1251 exit(1);
1252 }
1253
1254 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1255
1256 if (max_cpus < cpus) {
1257 error_report("maxcpus must be equal to or greater than smp");
1258 exit(1);
1259 }
1260
1261 if (sockets * cores * threads > max_cpus) {
1262 error_report("cpu topology: "
1263 "sockets (%u) * cores (%u) * threads (%u) > "
1264 "maxcpus (%u)",
1265 sockets, cores, threads, max_cpus);
1266 exit(1);
1267 }
1268
1269 smp_cpus = cpus;
1270 smp_cores = cores;
1271 smp_threads = threads;
1272 }
1273
1274 if (smp_cpus > 1) {
1275 Error *blocker = NULL;
1276 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1277 replay_add_blocker(blocker);
1278 }
1279 }
1280
1281 static void realtime_init(void)
1282 {
1283 if (enable_mlock) {
1284 if (os_mlock() < 0) {
1285 error_report("locking memory failed");
1286 exit(1);
1287 }
1288 }
1289 }
1290
1291
1292 static void configure_msg(QemuOpts *opts)
1293 {
1294 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1295 }
1296
1297 /***********************************************************/
1298 /* Semihosting */
1299
1300 typedef struct SemihostingConfig {
1301 bool enabled;
1302 SemihostingTarget target;
1303 const char **argv;
1304 int argc;
1305 const char *cmdline; /* concatenated argv */
1306 } SemihostingConfig;
1307
1308 static SemihostingConfig semihosting;
1309
1310 bool semihosting_enabled(void)
1311 {
1312 return semihosting.enabled;
1313 }
1314
1315 SemihostingTarget semihosting_get_target(void)
1316 {
1317 return semihosting.target;
1318 }
1319
1320 const char *semihosting_get_arg(int i)
1321 {
1322 if (i >= semihosting.argc) {
1323 return NULL;
1324 }
1325 return semihosting.argv[i];
1326 }
1327
1328 int semihosting_get_argc(void)
1329 {
1330 return semihosting.argc;
1331 }
1332
1333 const char *semihosting_get_cmdline(void)
1334 {
1335 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1336 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1337 }
1338 return semihosting.cmdline;
1339 }
1340
1341 static int add_semihosting_arg(void *opaque,
1342 const char *name, const char *val,
1343 Error **errp)
1344 {
1345 SemihostingConfig *s = opaque;
1346 if (strcmp(name, "arg") == 0) {
1347 s->argc++;
1348 /* one extra element as g_strjoinv() expects NULL-terminated array */
1349 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1350 s->argv[s->argc - 1] = val;
1351 s->argv[s->argc] = NULL;
1352 }
1353 return 0;
1354 }
1355
1356 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1357 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1358 {
1359 char *cmd_token;
1360
1361 /* argv[0] */
1362 add_semihosting_arg(&semihosting, "arg", file, NULL);
1363
1364 /* split -append and initialize argv[1..n] */
1365 cmd_token = strtok(g_strdup(cmd), " ");
1366 while (cmd_token) {
1367 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1368 cmd_token = strtok(NULL, " ");
1369 }
1370 }
1371
1372 /* Now we still need this for compatibility with XEN. */
1373 bool has_igd_gfx_passthru;
1374 static void igd_gfx_passthru(void)
1375 {
1376 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1377 }
1378
1379 /***********************************************************/
1380 /* USB devices */
1381
1382 static int usb_device_add(const char *devname)
1383 {
1384 USBDevice *dev = NULL;
1385
1386 if (!machine_usb(current_machine)) {
1387 return -1;
1388 }
1389
1390 dev = usbdevice_create(devname);
1391 if (!dev)
1392 return -1;
1393
1394 return 0;
1395 }
1396
1397 static int usb_parse(const char *cmdline)
1398 {
1399 int r;
1400 r = usb_device_add(cmdline);
1401 if (r < 0) {
1402 error_report("could not add USB device '%s'", cmdline);
1403 }
1404 return r;
1405 }
1406
1407 /***********************************************************/
1408 /* machine registration */
1409
1410 MachineState *current_machine;
1411
1412 static MachineClass *find_machine(const char *name)
1413 {
1414 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1415 MachineClass *mc = NULL;
1416
1417 for (el = machines; el; el = el->next) {
1418 MachineClass *temp = el->data;
1419
1420 if (!strcmp(temp->name, name)) {
1421 mc = temp;
1422 break;
1423 }
1424 if (temp->alias &&
1425 !strcmp(temp->alias, name)) {
1426 mc = temp;
1427 break;
1428 }
1429 }
1430
1431 g_slist_free(machines);
1432 return mc;
1433 }
1434
1435 MachineClass *find_default_machine(void)
1436 {
1437 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1438 MachineClass *mc = NULL;
1439
1440 for (el = machines; el; el = el->next) {
1441 MachineClass *temp = el->data;
1442
1443 if (temp->is_default) {
1444 mc = temp;
1445 break;
1446 }
1447 }
1448
1449 g_slist_free(machines);
1450 return mc;
1451 }
1452
1453 MachineInfoList *qmp_query_machines(Error **errp)
1454 {
1455 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1456 MachineInfoList *mach_list = NULL;
1457
1458 for (el = machines; el; el = el->next) {
1459 MachineClass *mc = el->data;
1460 MachineInfoList *entry;
1461 MachineInfo *info;
1462
1463 info = g_malloc0(sizeof(*info));
1464 if (mc->is_default) {
1465 info->has_is_default = true;
1466 info->is_default = true;
1467 }
1468
1469 if (mc->alias) {
1470 info->has_alias = true;
1471 info->alias = g_strdup(mc->alias);
1472 }
1473
1474 info->name = g_strdup(mc->name);
1475 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1476 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1477
1478 entry = g_malloc0(sizeof(*entry));
1479 entry->value = info;
1480 entry->next = mach_list;
1481 mach_list = entry;
1482 }
1483
1484 g_slist_free(machines);
1485 return mach_list;
1486 }
1487
1488 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1489 {
1490 ObjectProperty *prop;
1491 ObjectPropertyIterator iter;
1492
1493 if (!qemu_opt_has_help_opt(opts)) {
1494 return 0;
1495 }
1496
1497 object_property_iter_init(&iter, OBJECT(machine));
1498 while ((prop = object_property_iter_next(&iter))) {
1499 if (!prop->set) {
1500 continue;
1501 }
1502
1503 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1504 prop->name, prop->type);
1505 if (prop->description) {
1506 error_printf(" (%s)\n", prop->description);
1507 } else {
1508 error_printf("\n");
1509 }
1510 }
1511
1512 return 1;
1513 }
1514
1515 /***********************************************************/
1516 /* main execution loop */
1517
1518 struct vm_change_state_entry {
1519 VMChangeStateHandler *cb;
1520 void *opaque;
1521 QLIST_ENTRY (vm_change_state_entry) entries;
1522 };
1523
1524 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1525
1526 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1527 void *opaque)
1528 {
1529 VMChangeStateEntry *e;
1530
1531 e = g_malloc0(sizeof (*e));
1532
1533 e->cb = cb;
1534 e->opaque = opaque;
1535 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1536 return e;
1537 }
1538
1539 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1540 {
1541 QLIST_REMOVE (e, entries);
1542 g_free (e);
1543 }
1544
1545 void vm_state_notify(int running, RunState state)
1546 {
1547 VMChangeStateEntry *e, *next;
1548
1549 trace_vm_state_notify(running, state);
1550
1551 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1552 e->cb(e->opaque, running, state);
1553 }
1554 }
1555
1556 static ShutdownCause reset_requested;
1557 static ShutdownCause shutdown_requested;
1558 static int shutdown_signal;
1559 static pid_t shutdown_pid;
1560 static int powerdown_requested;
1561 static int debug_requested;
1562 static int suspend_requested;
1563 static bool preconfig_exit_requested = true;
1564 static WakeupReason wakeup_reason;
1565 static NotifierList powerdown_notifiers =
1566 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1567 static NotifierList suspend_notifiers =
1568 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1569 static NotifierList wakeup_notifiers =
1570 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1571 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1572
1573 ShutdownCause qemu_shutdown_requested_get(void)
1574 {
1575 return shutdown_requested;
1576 }
1577
1578 ShutdownCause qemu_reset_requested_get(void)
1579 {
1580 return reset_requested;
1581 }
1582
1583 static int qemu_shutdown_requested(void)
1584 {
1585 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1586 }
1587
1588 static void qemu_kill_report(void)
1589 {
1590 if (!qtest_driver() && shutdown_signal) {
1591 if (shutdown_pid == 0) {
1592 /* This happens for eg ^C at the terminal, so it's worth
1593 * avoiding printing an odd message in that case.
1594 */
1595 error_report("terminating on signal %d", shutdown_signal);
1596 } else {
1597 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1598
1599 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1600 shutdown_signal, shutdown_pid,
1601 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1602 g_free(shutdown_cmd);
1603 }
1604 shutdown_signal = 0;
1605 }
1606 }
1607
1608 static ShutdownCause qemu_reset_requested(void)
1609 {
1610 ShutdownCause r = reset_requested;
1611
1612 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1613 reset_requested = SHUTDOWN_CAUSE_NONE;
1614 return r;
1615 }
1616 return SHUTDOWN_CAUSE_NONE;
1617 }
1618
1619 static int qemu_suspend_requested(void)
1620 {
1621 int r = suspend_requested;
1622 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1623 suspend_requested = 0;
1624 return r;
1625 }
1626 return false;
1627 }
1628
1629 static WakeupReason qemu_wakeup_requested(void)
1630 {
1631 return wakeup_reason;
1632 }
1633
1634 static int qemu_powerdown_requested(void)
1635 {
1636 int r = powerdown_requested;
1637 powerdown_requested = 0;
1638 return r;
1639 }
1640
1641 static int qemu_debug_requested(void)
1642 {
1643 int r = debug_requested;
1644 debug_requested = 0;
1645 return r;
1646 }
1647
1648 void qemu_exit_preconfig_request(void)
1649 {
1650 preconfig_exit_requested = true;
1651 }
1652
1653 /*
1654 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1655 */
1656 void qemu_system_reset(ShutdownCause reason)
1657 {
1658 MachineClass *mc;
1659
1660 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1661
1662 cpu_synchronize_all_states();
1663
1664 if (mc && mc->reset) {
1665 mc->reset();
1666 } else {
1667 qemu_devices_reset();
1668 }
1669 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1670 qapi_event_send_reset(shutdown_caused_by_guest(reason));
1671 }
1672 cpu_synchronize_all_post_reset();
1673 }
1674
1675 void qemu_system_guest_panicked(GuestPanicInformation *info)
1676 {
1677 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1678
1679 if (current_cpu) {
1680 current_cpu->crash_occurred = true;
1681 }
1682 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1683 !!info, info);
1684 vm_stop(RUN_STATE_GUEST_PANICKED);
1685 if (!no_shutdown) {
1686 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1687 !!info, info);
1688 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1689 }
1690
1691 if (info) {
1692 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1693 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1694 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1695 info->u.hyper_v.arg1,
1696 info->u.hyper_v.arg2,
1697 info->u.hyper_v.arg3,
1698 info->u.hyper_v.arg4,
1699 info->u.hyper_v.arg5);
1700 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1701 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1702 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1703 info->u.s390.core,
1704 S390CrashReason_str(info->u.s390.reason),
1705 info->u.s390.psw_mask,
1706 info->u.s390.psw_addr);
1707 }
1708 qapi_free_GuestPanicInformation(info);
1709 }
1710 }
1711
1712 void qemu_system_reset_request(ShutdownCause reason)
1713 {
1714 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1715 shutdown_requested = reason;
1716 } else {
1717 reset_requested = reason;
1718 }
1719 cpu_stop_current();
1720 qemu_notify_event();
1721 }
1722
1723 static void qemu_system_suspend(void)
1724 {
1725 pause_all_vcpus();
1726 notifier_list_notify(&suspend_notifiers, NULL);
1727 runstate_set(RUN_STATE_SUSPENDED);
1728 qapi_event_send_suspend();
1729 }
1730
1731 void qemu_system_suspend_request(void)
1732 {
1733 if (runstate_check(RUN_STATE_SUSPENDED)) {
1734 return;
1735 }
1736 suspend_requested = 1;
1737 cpu_stop_current();
1738 qemu_notify_event();
1739 }
1740
1741 void qemu_register_suspend_notifier(Notifier *notifier)
1742 {
1743 notifier_list_add(&suspend_notifiers, notifier);
1744 }
1745
1746 void qemu_system_wakeup_request(WakeupReason reason)
1747 {
1748 trace_system_wakeup_request(reason);
1749
1750 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1751 return;
1752 }
1753 if (!(wakeup_reason_mask & (1 << reason))) {
1754 return;
1755 }
1756 runstate_set(RUN_STATE_RUNNING);
1757 wakeup_reason = reason;
1758 qemu_notify_event();
1759 }
1760
1761 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1762 {
1763 if (enabled) {
1764 wakeup_reason_mask |= (1 << reason);
1765 } else {
1766 wakeup_reason_mask &= ~(1 << reason);
1767 }
1768 }
1769
1770 void qemu_register_wakeup_notifier(Notifier *notifier)
1771 {
1772 notifier_list_add(&wakeup_notifiers, notifier);
1773 }
1774
1775 void qemu_system_killed(int signal, pid_t pid)
1776 {
1777 shutdown_signal = signal;
1778 shutdown_pid = pid;
1779 no_shutdown = 0;
1780
1781 /* Cannot call qemu_system_shutdown_request directly because
1782 * we are in a signal handler.
1783 */
1784 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1785 qemu_notify_event();
1786 }
1787
1788 void qemu_system_shutdown_request(ShutdownCause reason)
1789 {
1790 trace_qemu_system_shutdown_request(reason);
1791 replay_shutdown_request(reason);
1792 shutdown_requested = reason;
1793 qemu_notify_event();
1794 }
1795
1796 static void qemu_system_powerdown(void)
1797 {
1798 qapi_event_send_powerdown();
1799 notifier_list_notify(&powerdown_notifiers, NULL);
1800 }
1801
1802 void qemu_system_powerdown_request(void)
1803 {
1804 trace_qemu_system_powerdown_request();
1805 powerdown_requested = 1;
1806 qemu_notify_event();
1807 }
1808
1809 void qemu_register_powerdown_notifier(Notifier *notifier)
1810 {
1811 notifier_list_add(&powerdown_notifiers, notifier);
1812 }
1813
1814 void qemu_system_debug_request(void)
1815 {
1816 debug_requested = 1;
1817 qemu_notify_event();
1818 }
1819
1820 static bool main_loop_should_exit(void)
1821 {
1822 RunState r;
1823 ShutdownCause request;
1824
1825 if (preconfig_exit_requested) {
1826 if (runstate_check(RUN_STATE_PRECONFIG)) {
1827 runstate_set(RUN_STATE_PRELAUNCH);
1828 }
1829 preconfig_exit_requested = false;
1830 return true;
1831 }
1832 if (qemu_debug_requested()) {
1833 vm_stop(RUN_STATE_DEBUG);
1834 }
1835 if (qemu_suspend_requested()) {
1836 qemu_system_suspend();
1837 }
1838 request = qemu_shutdown_requested();
1839 if (request) {
1840 qemu_kill_report();
1841 qapi_event_send_shutdown(shutdown_caused_by_guest(request));
1842 if (no_shutdown) {
1843 vm_stop(RUN_STATE_SHUTDOWN);
1844 } else {
1845 return true;
1846 }
1847 }
1848 request = qemu_reset_requested();
1849 if (request) {
1850 pause_all_vcpus();
1851 qemu_system_reset(request);
1852 resume_all_vcpus();
1853 if (!runstate_check(RUN_STATE_RUNNING) &&
1854 !runstate_check(RUN_STATE_INMIGRATE)) {
1855 runstate_set(RUN_STATE_PRELAUNCH);
1856 }
1857 }
1858 if (qemu_wakeup_requested()) {
1859 pause_all_vcpus();
1860 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1861 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1862 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1863 resume_all_vcpus();
1864 qapi_event_send_wakeup();
1865 }
1866 if (qemu_powerdown_requested()) {
1867 qemu_system_powerdown();
1868 }
1869 if (qemu_vmstop_requested(&r)) {
1870 vm_stop(r);
1871 }
1872 return false;
1873 }
1874
1875 static void main_loop(void)
1876 {
1877 #ifdef CONFIG_PROFILER
1878 int64_t ti;
1879 #endif
1880 while (!main_loop_should_exit()) {
1881 #ifdef CONFIG_PROFILER
1882 ti = profile_getclock();
1883 #endif
1884 main_loop_wait(false);
1885 #ifdef CONFIG_PROFILER
1886 dev_time += profile_getclock() - ti;
1887 #endif
1888 }
1889 }
1890
1891 static void version(void)
1892 {
1893 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1894 QEMU_COPYRIGHT "\n");
1895 }
1896
1897 static void help(int exitcode)
1898 {
1899 version();
1900 printf("usage: %s [options] [disk_image]\n\n"
1901 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1902 error_get_progname());
1903
1904 #define QEMU_OPTIONS_GENERATE_HELP
1905 #include "qemu-options-wrapper.h"
1906
1907 printf("\nDuring emulation, the following keys are useful:\n"
1908 "ctrl-alt-f toggle full screen\n"
1909 "ctrl-alt-n switch to virtual console 'n'\n"
1910 "ctrl-alt toggle mouse and keyboard grab\n"
1911 "\n"
1912 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1913 "\n"
1914 QEMU_HELP_BOTTOM "\n");
1915
1916 exit(exitcode);
1917 }
1918
1919 #define HAS_ARG 0x0001
1920
1921 typedef struct QEMUOption {
1922 const char *name;
1923 int flags;
1924 int index;
1925 uint32_t arch_mask;
1926 } QEMUOption;
1927
1928 static const QEMUOption qemu_options[] = {
1929 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1930 #define QEMU_OPTIONS_GENERATE_OPTIONS
1931 #include "qemu-options-wrapper.h"
1932 { NULL },
1933 };
1934
1935 typedef struct VGAInterfaceInfo {
1936 const char *opt_name; /* option name */
1937 const char *name; /* human-readable name */
1938 /* Class names indicating that support is available.
1939 * If no class is specified, the interface is always available */
1940 const char *class_names[2];
1941 } VGAInterfaceInfo;
1942
1943 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1944 [VGA_NONE] = {
1945 .opt_name = "none",
1946 },
1947 [VGA_STD] = {
1948 .opt_name = "std",
1949 .name = "standard VGA",
1950 .class_names = { "VGA", "isa-vga" },
1951 },
1952 [VGA_CIRRUS] = {
1953 .opt_name = "cirrus",
1954 .name = "Cirrus VGA",
1955 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1956 },
1957 [VGA_VMWARE] = {
1958 .opt_name = "vmware",
1959 .name = "VMWare SVGA",
1960 .class_names = { "vmware-svga" },
1961 },
1962 [VGA_VIRTIO] = {
1963 .opt_name = "virtio",
1964 .name = "Virtio VGA",
1965 .class_names = { "virtio-vga" },
1966 },
1967 [VGA_QXL] = {
1968 .opt_name = "qxl",
1969 .name = "QXL VGA",
1970 .class_names = { "qxl-vga" },
1971 },
1972 [VGA_TCX] = {
1973 .opt_name = "tcx",
1974 .name = "TCX framebuffer",
1975 .class_names = { "SUNW,tcx" },
1976 },
1977 [VGA_CG3] = {
1978 .opt_name = "cg3",
1979 .name = "CG3 framebuffer",
1980 .class_names = { "cgthree" },
1981 },
1982 [VGA_XENFB] = {
1983 .opt_name = "xenfb",
1984 },
1985 };
1986
1987 static bool vga_interface_available(VGAInterfaceType t)
1988 {
1989 VGAInterfaceInfo *ti = &vga_interfaces[t];
1990
1991 assert(t < VGA_TYPE_MAX);
1992 return !ti->class_names[0] ||
1993 object_class_by_name(ti->class_names[0]) ||
1994 object_class_by_name(ti->class_names[1]);
1995 }
1996
1997 static void select_vgahw(const char *p)
1998 {
1999 const char *opts;
2000 int t;
2001
2002 assert(vga_interface_type == VGA_NONE);
2003 for (t = 0; t < VGA_TYPE_MAX; t++) {
2004 VGAInterfaceInfo *ti = &vga_interfaces[t];
2005 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2006 if (!vga_interface_available(t)) {
2007 error_report("%s not available", ti->name);
2008 exit(1);
2009 }
2010 vga_interface_type = t;
2011 break;
2012 }
2013 }
2014 if (t == VGA_TYPE_MAX) {
2015 invalid_vga:
2016 error_report("unknown vga type: %s", p);
2017 exit(1);
2018 }
2019 while (*opts) {
2020 const char *nextopt;
2021
2022 if (strstart(opts, ",retrace=", &nextopt)) {
2023 opts = nextopt;
2024 if (strstart(opts, "dumb", &nextopt))
2025 vga_retrace_method = VGA_RETRACE_DUMB;
2026 else if (strstart(opts, "precise", &nextopt))
2027 vga_retrace_method = VGA_RETRACE_PRECISE;
2028 else goto invalid_vga;
2029 } else goto invalid_vga;
2030 opts = nextopt;
2031 }
2032 }
2033
2034 static void parse_display_qapi(const char *optarg)
2035 {
2036 DisplayOptions *opts;
2037 Visitor *v;
2038
2039 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2040
2041 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2042 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2043
2044 qapi_free_DisplayOptions(opts);
2045 visit_free(v);
2046 }
2047
2048 static void parse_display(const char *p)
2049 {
2050 const char *opts;
2051
2052 if (strstart(p, "sdl", &opts)) {
2053 /*
2054 * sdl DisplayType needs hand-crafted parser instead of
2055 * parse_display_qapi() due to some options not in
2056 * DisplayOptions, specifically:
2057 * - frame
2058 * Already deprecated.
2059 * - ctrl_grab + alt_grab
2060 * Not clear yet what happens to them long-term. Should
2061 * replaced by something better or deprecated and dropped.
2062 */
2063 dpy.type = DISPLAY_TYPE_SDL;
2064 while (*opts) {
2065 const char *nextopt;
2066
2067 if (strstart(opts, ",frame=", &nextopt)) {
2068 g_printerr("The frame= sdl option is deprecated, and will be\n"
2069 "removed in a future release.\n");
2070 opts = nextopt;
2071 if (strstart(opts, "on", &nextopt)) {
2072 no_frame = 0;
2073 } else if (strstart(opts, "off", &nextopt)) {
2074 no_frame = 1;
2075 } else {
2076 goto invalid_sdl_args;
2077 }
2078 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2079 opts = nextopt;
2080 if (strstart(opts, "on", &nextopt)) {
2081 alt_grab = 1;
2082 } else if (strstart(opts, "off", &nextopt)) {
2083 alt_grab = 0;
2084 } else {
2085 goto invalid_sdl_args;
2086 }
2087 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2088 opts = nextopt;
2089 if (strstart(opts, "on", &nextopt)) {
2090 ctrl_grab = 1;
2091 } else if (strstart(opts, "off", &nextopt)) {
2092 ctrl_grab = 0;
2093 } else {
2094 goto invalid_sdl_args;
2095 }
2096 } else if (strstart(opts, ",window_close=", &nextopt)) {
2097 opts = nextopt;
2098 dpy.has_window_close = true;
2099 if (strstart(opts, "on", &nextopt)) {
2100 dpy.window_close = true;
2101 } else if (strstart(opts, "off", &nextopt)) {
2102 dpy.window_close = false;
2103 } else {
2104 goto invalid_sdl_args;
2105 }
2106 } else if (strstart(opts, ",gl=", &nextopt)) {
2107 opts = nextopt;
2108 dpy.has_gl = true;
2109 if (strstart(opts, "on", &nextopt)) {
2110 dpy.gl = DISPLAYGL_MODE_ON;
2111 } else if (strstart(opts, "core", &nextopt)) {
2112 dpy.gl = DISPLAYGL_MODE_CORE;
2113 } else if (strstart(opts, "es", &nextopt)) {
2114 dpy.gl = DISPLAYGL_MODE_ES;
2115 } else if (strstart(opts, "off", &nextopt)) {
2116 dpy.gl = DISPLAYGL_MODE_OFF;
2117 } else {
2118 goto invalid_sdl_args;
2119 }
2120 } else {
2121 invalid_sdl_args:
2122 error_report("invalid SDL option string");
2123 exit(1);
2124 }
2125 opts = nextopt;
2126 }
2127 } else if (strstart(p, "vnc", &opts)) {
2128 /*
2129 * vnc isn't a (local) DisplayType but a protocol for remote
2130 * display access.
2131 */
2132 if (*opts == '=') {
2133 vnc_parse(opts + 1, &error_fatal);
2134 } else {
2135 error_report("VNC requires a display argument vnc=<display>");
2136 exit(1);
2137 }
2138 } else {
2139 parse_display_qapi(p);
2140 }
2141 }
2142
2143 char *qemu_find_file(int type, const char *name)
2144 {
2145 int i;
2146 const char *subdir;
2147 char *buf;
2148
2149 /* Try the name as a straight path first */
2150 if (access(name, R_OK) == 0) {
2151 trace_load_file(name, name);
2152 return g_strdup(name);
2153 }
2154
2155 switch (type) {
2156 case QEMU_FILE_TYPE_BIOS:
2157 subdir = "";
2158 break;
2159 case QEMU_FILE_TYPE_KEYMAP:
2160 subdir = "keymaps/";
2161 break;
2162 default:
2163 abort();
2164 }
2165
2166 for (i = 0; i < data_dir_idx; i++) {
2167 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2168 if (access(buf, R_OK) == 0) {
2169 trace_load_file(name, buf);
2170 return buf;
2171 }
2172 g_free(buf);
2173 }
2174 return NULL;
2175 }
2176
2177 static void qemu_add_data_dir(const char *path)
2178 {
2179 int i;
2180
2181 if (path == NULL) {
2182 return;
2183 }
2184 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2185 return;
2186 }
2187 for (i = 0; i < data_dir_idx; i++) {
2188 if (strcmp(data_dir[i], path) == 0) {
2189 return; /* duplicate */
2190 }
2191 }
2192 data_dir[data_dir_idx++] = g_strdup(path);
2193 }
2194
2195 static inline bool nonempty_str(const char *str)
2196 {
2197 return str && *str;
2198 }
2199
2200 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2201 {
2202 gchar *buf;
2203 size_t size;
2204 const char *name, *file, *str;
2205 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2206
2207 if (fw_cfg == NULL) {
2208 error_setg(errp, "fw_cfg device not available");
2209 return -1;
2210 }
2211 name = qemu_opt_get(opts, "name");
2212 file = qemu_opt_get(opts, "file");
2213 str = qemu_opt_get(opts, "string");
2214
2215 /* we need name and either a file or the content string */
2216 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2217 error_setg(errp, "invalid argument(s)");
2218 return -1;
2219 }
2220 if (nonempty_str(file) && nonempty_str(str)) {
2221 error_setg(errp, "file and string are mutually exclusive");
2222 return -1;
2223 }
2224 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2225 error_setg(errp, "name too long (max. %d char)",
2226 FW_CFG_MAX_FILE_PATH - 1);
2227 return -1;
2228 }
2229 if (strncmp(name, "opt/", 4) != 0) {
2230 warn_report("externally provided fw_cfg item names "
2231 "should be prefixed with \"opt/\"");
2232 }
2233 if (nonempty_str(str)) {
2234 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2235 buf = g_memdup(str, size);
2236 } else {
2237 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2238 error_setg(errp, "can't load %s", file);
2239 return -1;
2240 }
2241 }
2242 /* For legacy, keep user files in a specific global order. */
2243 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2244 fw_cfg_add_file(fw_cfg, name, buf, size);
2245 fw_cfg_reset_order_override(fw_cfg);
2246 return 0;
2247 }
2248
2249 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2250 {
2251 return qdev_device_help(opts);
2252 }
2253
2254 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2255 {
2256 DeviceState *dev;
2257
2258 dev = qdev_device_add(opts, errp);
2259 if (!dev) {
2260 return -1;
2261 }
2262 object_unref(OBJECT(dev));
2263 return 0;
2264 }
2265
2266 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2267 {
2268 Error *local_err = NULL;
2269
2270 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2271 if (local_err) {
2272 error_propagate(errp, local_err);
2273 return -1;
2274 }
2275 exit(0);
2276 }
2277 return 0;
2278 }
2279
2280 #ifdef CONFIG_VIRTFS
2281 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2282 {
2283 return qemu_fsdev_add(opts, errp);
2284 }
2285 #endif
2286
2287 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2288 {
2289 Chardev *chr;
2290 const char *chardev;
2291 const char *mode;
2292 int flags;
2293
2294 mode = qemu_opt_get(opts, "mode");
2295 if (mode == NULL) {
2296 mode = "readline";
2297 }
2298 if (strcmp(mode, "readline") == 0) {
2299 flags = MONITOR_USE_READLINE;
2300 } else if (strcmp(mode, "control") == 0) {
2301 flags = MONITOR_USE_CONTROL;
2302 } else {
2303 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2304 return -1;
2305 }
2306
2307 if (qemu_opt_get_bool(opts, "pretty", 0))
2308 flags |= MONITOR_USE_PRETTY;
2309
2310 /* OOB is off by default */
2311 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2312 flags |= MONITOR_USE_OOB;
2313 }
2314
2315 chardev = qemu_opt_get(opts, "chardev");
2316 chr = qemu_chr_find(chardev);
2317 if (chr == NULL) {
2318 error_setg(errp, "chardev \"%s\" not found", chardev);
2319 return -1;
2320 }
2321
2322 monitor_init(chr, flags);
2323 return 0;
2324 }
2325
2326 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2327 {
2328 static int monitor_device_index = 0;
2329 QemuOpts *opts;
2330 const char *p;
2331 char label[32];
2332
2333 if (strstart(optarg, "chardev:", &p)) {
2334 snprintf(label, sizeof(label), "%s", p);
2335 } else {
2336 snprintf(label, sizeof(label), "compat_monitor%d",
2337 monitor_device_index);
2338 opts = qemu_chr_parse_compat(label, optarg, true);
2339 if (!opts) {
2340 error_report("parse error: %s", optarg);
2341 exit(1);
2342 }
2343 }
2344
2345 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2346 qemu_opt_set(opts, "mode", mode, &error_abort);
2347 qemu_opt_set(opts, "chardev", label, &error_abort);
2348 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2349 monitor_device_index++;
2350 }
2351
2352 struct device_config {
2353 enum {
2354 DEV_USB, /* -usbdevice */
2355 DEV_BT, /* -bt */
2356 DEV_SERIAL, /* -serial */
2357 DEV_PARALLEL, /* -parallel */
2358 DEV_VIRTCON, /* -virtioconsole */
2359 DEV_DEBUGCON, /* -debugcon */
2360 DEV_GDB, /* -gdb, -s */
2361 DEV_SCLP, /* s390 sclp */
2362 } type;
2363 const char *cmdline;
2364 Location loc;
2365 QTAILQ_ENTRY(device_config) next;
2366 };
2367
2368 static QTAILQ_HEAD(, device_config) device_configs =
2369 QTAILQ_HEAD_INITIALIZER(device_configs);
2370
2371 static void add_device_config(int type, const char *cmdline)
2372 {
2373 struct device_config *conf;
2374
2375 conf = g_malloc0(sizeof(*conf));
2376 conf->type = type;
2377 conf->cmdline = cmdline;
2378 loc_save(&conf->loc);
2379 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2380 }
2381
2382 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2383 {
2384 struct device_config *conf;
2385 int rc;
2386
2387 QTAILQ_FOREACH(conf, &device_configs, next) {
2388 if (conf->type != type)
2389 continue;
2390 loc_push_restore(&conf->loc);
2391 rc = func(conf->cmdline);
2392 loc_pop(&conf->loc);
2393 if (rc) {
2394 return rc;
2395 }
2396 }
2397 return 0;
2398 }
2399
2400 static int serial_parse(const char *devname)
2401 {
2402 int index = num_serial_hds;
2403 char label[32];
2404
2405 if (strcmp(devname, "none") == 0)
2406 return 0;
2407 snprintf(label, sizeof(label), "serial%d", index);
2408 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2409
2410 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2411 if (!serial_hds[index]) {
2412 error_report("could not connect serial device"
2413 " to character backend '%s'", devname);
2414 return -1;
2415 }
2416 num_serial_hds++;
2417 return 0;
2418 }
2419
2420 Chardev *serial_hd(int i)
2421 {
2422 assert(i >= 0);
2423 if (i < num_serial_hds) {
2424 return serial_hds[i];
2425 }
2426 return NULL;
2427 }
2428
2429 int serial_max_hds(void)
2430 {
2431 return num_serial_hds;
2432 }
2433
2434 static int parallel_parse(const char *devname)
2435 {
2436 static int index = 0;
2437 char label[32];
2438
2439 if (strcmp(devname, "none") == 0)
2440 return 0;
2441 if (index == MAX_PARALLEL_PORTS) {
2442 error_report("too many parallel ports");
2443 exit(1);
2444 }
2445 snprintf(label, sizeof(label), "parallel%d", index);
2446 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2447 if (!parallel_hds[index]) {
2448 error_report("could not connect parallel device"
2449 " to character backend '%s'", devname);
2450 return -1;
2451 }
2452 index++;
2453 return 0;
2454 }
2455
2456 static int virtcon_parse(const char *devname)
2457 {
2458 QemuOptsList *device = qemu_find_opts("device");
2459 static int index = 0;
2460 char label[32];
2461 QemuOpts *bus_opts, *dev_opts;
2462
2463 if (strcmp(devname, "none") == 0)
2464 return 0;
2465 if (index == MAX_VIRTIO_CONSOLES) {
2466 error_report("too many virtio consoles");
2467 exit(1);
2468 }
2469
2470 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2471 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2472
2473 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2474 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2475
2476 snprintf(label, sizeof(label), "virtcon%d", index);
2477 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2478 if (!virtcon_hds[index]) {
2479 error_report("could not connect virtio console"
2480 " to character backend '%s'", devname);
2481 return -1;
2482 }
2483 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2484
2485 index++;
2486 return 0;
2487 }
2488
2489 static int debugcon_parse(const char *devname)
2490 {
2491 QemuOpts *opts;
2492
2493 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2494 error_report("invalid character backend '%s'", devname);
2495 exit(1);
2496 }
2497 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2498 if (!opts) {
2499 error_report("already have a debugcon device");
2500 exit(1);
2501 }
2502 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2503 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2504 return 0;
2505 }
2506
2507 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2508 {
2509 const MachineClass *mc1 = a, *mc2 = b;
2510 int res;
2511
2512 if (mc1->family == NULL) {
2513 if (mc2->family == NULL) {
2514 /* Compare standalone machine types against each other; they sort
2515 * in increasing order.
2516 */
2517 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2518 object_class_get_name(OBJECT_CLASS(mc2)));
2519 }
2520
2521 /* Standalone machine types sort after families. */
2522 return 1;
2523 }
2524
2525 if (mc2->family == NULL) {
2526 /* Families sort before standalone machine types. */
2527 return -1;
2528 }
2529
2530 /* Families sort between each other alphabetically increasingly. */
2531 res = strcmp(mc1->family, mc2->family);
2532 if (res != 0) {
2533 return res;
2534 }
2535
2536 /* Within the same family, machine types sort in decreasing order. */
2537 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2538 object_class_get_name(OBJECT_CLASS(mc1)));
2539 }
2540
2541 static MachineClass *machine_parse(const char *name)
2542 {
2543 MachineClass *mc = NULL;
2544 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2545
2546 if (name) {
2547 mc = find_machine(name);
2548 }
2549 if (mc) {
2550 g_slist_free(machines);
2551 return mc;
2552 }
2553 if (name && !is_help_option(name)) {
2554 error_report("unsupported machine type");
2555 error_printf("Use -machine help to list supported machines\n");
2556 } else {
2557 printf("Supported machines are:\n");
2558 machines = g_slist_sort(machines, machine_class_cmp);
2559 for (el = machines; el; el = el->next) {
2560 MachineClass *mc = el->data;
2561 if (mc->alias) {
2562 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2563 }
2564 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2565 mc->is_default ? " (default)" : "",
2566 mc->deprecation_reason ? " (deprecated)" : "");
2567 }
2568 }
2569
2570 g_slist_free(machines);
2571 exit(!name || !is_help_option(name));
2572 }
2573
2574 void qemu_add_exit_notifier(Notifier *notify)
2575 {
2576 notifier_list_add(&exit_notifiers, notify);
2577 }
2578
2579 void qemu_remove_exit_notifier(Notifier *notify)
2580 {
2581 notifier_remove(notify);
2582 }
2583
2584 static void qemu_run_exit_notifiers(void)
2585 {
2586 notifier_list_notify(&exit_notifiers, NULL);
2587 }
2588
2589 static const char *pid_file;
2590 static Notifier qemu_unlink_pidfile_notifier;
2591
2592 static void qemu_unlink_pidfile(Notifier *n, void *data)
2593 {
2594 if (pid_file) {
2595 unlink(pid_file);
2596 }
2597 }
2598
2599 bool machine_init_done;
2600
2601 void qemu_add_machine_init_done_notifier(Notifier *notify)
2602 {
2603 notifier_list_add(&machine_init_done_notifiers, notify);
2604 if (machine_init_done) {
2605 notify->notify(notify, NULL);
2606 }
2607 }
2608
2609 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2610 {
2611 notifier_remove(notify);
2612 }
2613
2614 static void qemu_run_machine_init_done_notifiers(void)
2615 {
2616 machine_init_done = true;
2617 notifier_list_notify(&machine_init_done_notifiers, NULL);
2618 }
2619
2620 static const QEMUOption *lookup_opt(int argc, char **argv,
2621 const char **poptarg, int *poptind)
2622 {
2623 const QEMUOption *popt;
2624 int optind = *poptind;
2625 char *r = argv[optind];
2626 const char *optarg;
2627
2628 loc_set_cmdline(argv, optind, 1);
2629 optind++;
2630 /* Treat --foo the same as -foo. */
2631 if (r[1] == '-')
2632 r++;
2633 popt = qemu_options;
2634 for(;;) {
2635 if (!popt->name) {
2636 error_report("invalid option");
2637 exit(1);
2638 }
2639 if (!strcmp(popt->name, r + 1))
2640 break;
2641 popt++;
2642 }
2643 if (popt->flags & HAS_ARG) {
2644 if (optind >= argc) {
2645 error_report("requires an argument");
2646 exit(1);
2647 }
2648 optarg = argv[optind++];
2649 loc_set_cmdline(argv, optind - 2, 2);
2650 } else {
2651 optarg = NULL;
2652 }
2653
2654 *poptarg = optarg;
2655 *poptind = optind;
2656
2657 return popt;
2658 }
2659
2660 static MachineClass *select_machine(void)
2661 {
2662 MachineClass *machine_class = find_default_machine();
2663 const char *optarg;
2664 QemuOpts *opts;
2665 Location loc;
2666
2667 loc_push_none(&loc);
2668
2669 opts = qemu_get_machine_opts();
2670 qemu_opts_loc_restore(opts);
2671
2672 optarg = qemu_opt_get(opts, "type");
2673 if (optarg) {
2674 machine_class = machine_parse(optarg);
2675 }
2676
2677 if (!machine_class) {
2678 error_report("No machine specified, and there is no default");
2679 error_printf("Use -machine help to list supported machines\n");
2680 exit(1);
2681 }
2682
2683 loc_pop(&loc);
2684 return machine_class;
2685 }
2686
2687 static int machine_set_property(void *opaque,
2688 const char *name, const char *value,
2689 Error **errp)
2690 {
2691 Object *obj = OBJECT(opaque);
2692 Error *local_err = NULL;
2693 char *p, *qom_name;
2694
2695 if (strcmp(name, "type") == 0) {
2696 return 0;
2697 }
2698
2699 qom_name = g_strdup(name);
2700 for (p = qom_name; *p; p++) {
2701 if (*p == '_') {
2702 *p = '-';
2703 }
2704 }
2705
2706 object_property_parse(obj, value, qom_name, &local_err);
2707 g_free(qom_name);
2708
2709 if (local_err) {
2710 error_propagate(errp, local_err);
2711 return -1;
2712 }
2713
2714 return 0;
2715 }
2716
2717
2718 /*
2719 * Initial object creation happens before all other
2720 * QEMU data types are created. The majority of objects
2721 * can be created at this point. The rng-egd object
2722 * cannot be created here, as it depends on the chardev
2723 * already existing.
2724 */
2725 static bool object_create_initial(const char *type, QemuOpts *opts)
2726 {
2727 ObjectClass *klass;
2728
2729 if (is_help_option(type)) {
2730 GSList *l, *list;
2731
2732 printf("List of user creatable objects:\n");
2733 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2734 for (l = list; l != NULL; l = l->next) {
2735 ObjectClass *oc = OBJECT_CLASS(l->data);
2736 printf("%s\n", object_class_get_name(oc));
2737 }
2738 g_slist_free(list);
2739 exit(0);
2740 }
2741
2742 klass = object_class_by_name(type);
2743 if (klass && qemu_opt_has_help_opt(opts)) {
2744 ObjectPropertyIterator iter;
2745 ObjectProperty *prop;
2746 GPtrArray *array = g_ptr_array_new();
2747 int i;
2748
2749 object_class_property_iter_init(&iter, klass);
2750 while ((prop = object_property_iter_next(&iter))) {
2751 GString *str;
2752
2753 if (!prop->set) {
2754 continue;
2755 }
2756
2757 str = g_string_new(NULL);
2758 g_string_append_printf(str, "%s.%s=%s", type,
2759 prop->name, prop->type);
2760 if (prop->description) {
2761 g_string_append_printf(str, " - %s", prop->description);
2762 }
2763 g_ptr_array_add(array, g_string_free(str, false));
2764 }
2765 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2766 for (i = 0; i < array->len; i++) {
2767 printf("%s\n", (char *)array->pdata[i]);
2768 }
2769 g_ptr_array_set_free_func(array, g_free);
2770 g_ptr_array_free(array, true);
2771 exit(0);
2772 }
2773
2774 if (g_str_equal(type, "rng-egd") ||
2775 g_str_has_prefix(type, "pr-manager-")) {
2776 return false;
2777 }
2778
2779 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2780 if (g_str_equal(type, "cryptodev-vhost-user")) {
2781 return false;
2782 }
2783 #endif
2784
2785 /*
2786 * return false for concrete netfilters since
2787 * they depend on netdevs already existing
2788 */
2789 if (g_str_equal(type, "filter-buffer") ||
2790 g_str_equal(type, "filter-dump") ||
2791 g_str_equal(type, "filter-mirror") ||
2792 g_str_equal(type, "filter-redirector") ||
2793 g_str_equal(type, "colo-compare") ||
2794 g_str_equal(type, "filter-rewriter") ||
2795 g_str_equal(type, "filter-replay")) {
2796 return false;
2797 }
2798
2799 /* Memory allocation by backends needs to be done
2800 * after configure_accelerator() (due to the tcg_enabled()
2801 * checks at memory_region_init_*()).
2802 *
2803 * Also, allocation of large amounts of memory may delay
2804 * chardev initialization for too long, and trigger timeouts
2805 * on software that waits for a monitor socket to be created
2806 * (e.g. libvirt).
2807 */
2808 if (g_str_has_prefix(type, "memory-backend-")) {
2809 return false;
2810 }
2811
2812 return true;
2813 }
2814
2815
2816 /*
2817 * The remainder of object creation happens after the
2818 * creation of chardev, fsdev, net clients and device data types.
2819 */
2820 static bool object_create_delayed(const char *type, QemuOpts *opts)
2821 {
2822 return !object_create_initial(type, opts);
2823 }
2824
2825
2826 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2827 MachineClass *mc)
2828 {
2829 uint64_t sz;
2830 const char *mem_str;
2831 const ram_addr_t default_ram_size = mc->default_ram_size;
2832 QemuOpts *opts = qemu_find_opts_singleton("memory");
2833 Location loc;
2834
2835 loc_push_none(&loc);
2836 qemu_opts_loc_restore(opts);
2837
2838 sz = 0;
2839 mem_str = qemu_opt_get(opts, "size");
2840 if (mem_str) {
2841 if (!*mem_str) {
2842 error_report("missing 'size' option value");
2843 exit(EXIT_FAILURE);
2844 }
2845
2846 sz = qemu_opt_get_size(opts, "size", ram_size);
2847
2848 /* Fix up legacy suffix-less format */
2849 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2850 uint64_t overflow_check = sz;
2851
2852 sz *= MiB;
2853 if (sz / MiB != overflow_check) {
2854 error_report("too large 'size' option value");
2855 exit(EXIT_FAILURE);
2856 }
2857 }
2858 }
2859
2860 /* backward compatibility behaviour for case "-m 0" */
2861 if (sz == 0) {
2862 sz = default_ram_size;
2863 }
2864
2865 sz = QEMU_ALIGN_UP(sz, 8192);
2866 ram_size = sz;
2867 if (ram_size != sz) {
2868 error_report("ram size too large");
2869 exit(EXIT_FAILURE);
2870 }
2871
2872 /* store value for the future use */
2873 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2874 *maxram_size = ram_size;
2875
2876 if (qemu_opt_get(opts, "maxmem")) {
2877 uint64_t slots;
2878
2879 sz = qemu_opt_get_size(opts, "maxmem", 0);
2880 slots = qemu_opt_get_number(opts, "slots", 0);
2881 if (sz < ram_size) {
2882 error_report("invalid value of -m option maxmem: "
2883 "maximum memory size (0x%" PRIx64 ") must be at least "
2884 "the initial memory size (0x" RAM_ADDR_FMT ")",
2885 sz, ram_size);
2886 exit(EXIT_FAILURE);
2887 } else if (slots && sz == ram_size) {
2888 error_report("invalid value of -m option maxmem: "
2889 "memory slots were specified but maximum memory size "
2890 "(0x%" PRIx64 ") is equal to the initial memory size "
2891 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2892 exit(EXIT_FAILURE);
2893 }
2894
2895 *maxram_size = sz;
2896 *ram_slots = slots;
2897 } else if (qemu_opt_get(opts, "slots")) {
2898 error_report("invalid -m option value: missing 'maxmem' option");
2899 exit(EXIT_FAILURE);
2900 }
2901
2902 loc_pop(&loc);
2903 }
2904
2905 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2906 {
2907 GlobalProperty *g;
2908
2909 g = g_malloc0(sizeof(*g));
2910 g->driver = qemu_opt_get(opts, "driver");
2911 g->property = qemu_opt_get(opts, "property");
2912 g->value = qemu_opt_get(opts, "value");
2913 g->user_provided = true;
2914 g->errp = &error_fatal;
2915 qdev_prop_register_global(g);
2916 return 0;
2917 }
2918
2919 static int qemu_read_default_config_file(void)
2920 {
2921 int ret;
2922
2923 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2924 if (ret < 0 && ret != -ENOENT) {
2925 return ret;
2926 }
2927
2928 return 0;
2929 }
2930
2931 static void user_register_global_props(void)
2932 {
2933 qemu_opts_foreach(qemu_find_opts("global"),
2934 global_init_func, NULL, NULL);
2935 }
2936
2937 /*
2938 * Note: we should see that these properties are actually having a
2939 * priority: accel < machine < user. This means e.g. when user
2940 * specifies something in "-global", it'll always be used with highest
2941 * priority than either machine/accelerator compat properties.
2942 */
2943 static void register_global_properties(MachineState *ms)
2944 {
2945 accel_register_compat_props(ms->accelerator);
2946 machine_register_compat_props(ms);
2947 user_register_global_props();
2948 }
2949
2950 int main(int argc, char **argv, char **envp)
2951 {
2952 int i;
2953 int snapshot, linux_boot;
2954 const char *initrd_filename;
2955 const char *kernel_filename, *kernel_cmdline;
2956 const char *boot_order = NULL;
2957 const char *boot_once = NULL;
2958 DisplayState *ds;
2959 QemuOpts *opts, *machine_opts;
2960 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2961 QemuOptsList *olist;
2962 int optind;
2963 const char *optarg;
2964 const char *loadvm = NULL;
2965 MachineClass *machine_class;
2966 const char *cpu_model;
2967 const char *vga_model = NULL;
2968 const char *qtest_chrdev = NULL;
2969 const char *qtest_log = NULL;
2970 const char *incoming = NULL;
2971 bool userconfig = true;
2972 bool nographic = false;
2973 int display_remote = 0;
2974 const char *log_mask = NULL;
2975 const char *log_file = NULL;
2976 char *trace_file = NULL;
2977 ram_addr_t maxram_size;
2978 uint64_t ram_slots = 0;
2979 FILE *vmstate_dump_file = NULL;
2980 Error *main_loop_err = NULL;
2981 Error *err = NULL;
2982 bool list_data_dirs = false;
2983 char *dir, **dirs;
2984 typedef struct BlockdevOptions_queue {
2985 BlockdevOptions *bdo;
2986 Location loc;
2987 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2988 } BlockdevOptions_queue;
2989 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2990 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2991
2992 module_call_init(MODULE_INIT_TRACE);
2993
2994 qemu_init_cpu_list();
2995 qemu_init_cpu_loop();
2996
2997 qemu_mutex_lock_iothread();
2998
2999 atexit(qemu_run_exit_notifiers);
3000 error_set_progname(argv[0]);
3001 qemu_init_exec_dir(argv[0]);
3002
3003 module_call_init(MODULE_INIT_QOM);
3004
3005 qemu_add_opts(&qemu_drive_opts);
3006 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3007 qemu_add_drive_opts(&qemu_common_drive_opts);
3008 qemu_add_drive_opts(&qemu_drive_opts);
3009 qemu_add_drive_opts(&bdrv_runtime_opts);
3010 qemu_add_opts(&qemu_chardev_opts);
3011 qemu_add_opts(&qemu_device_opts);
3012 qemu_add_opts(&qemu_netdev_opts);
3013 qemu_add_opts(&qemu_nic_opts);
3014 qemu_add_opts(&qemu_net_opts);
3015 qemu_add_opts(&qemu_rtc_opts);
3016 qemu_add_opts(&qemu_global_opts);
3017 qemu_add_opts(&qemu_mon_opts);
3018 qemu_add_opts(&qemu_trace_opts);
3019 qemu_add_opts(&qemu_option_rom_opts);
3020 qemu_add_opts(&qemu_machine_opts);
3021 qemu_add_opts(&qemu_accel_opts);
3022 qemu_add_opts(&qemu_mem_opts);
3023 qemu_add_opts(&qemu_smp_opts);
3024 qemu_add_opts(&qemu_boot_opts);
3025 qemu_add_opts(&qemu_add_fd_opts);
3026 qemu_add_opts(&qemu_object_opts);
3027 qemu_add_opts(&qemu_tpmdev_opts);
3028 qemu_add_opts(&qemu_realtime_opts);
3029 qemu_add_opts(&qemu_overcommit_opts);
3030 qemu_add_opts(&qemu_msg_opts);
3031 qemu_add_opts(&qemu_name_opts);
3032 qemu_add_opts(&qemu_numa_opts);
3033 qemu_add_opts(&qemu_icount_opts);
3034 qemu_add_opts(&qemu_semihosting_config_opts);
3035 qemu_add_opts(&qemu_fw_cfg_opts);
3036 module_call_init(MODULE_INIT_OPTS);
3037
3038 runstate_init();
3039 postcopy_infrastructure_init();
3040 monitor_init_globals();
3041
3042 if (qcrypto_init(&err) < 0) {
3043 error_reportf_err(err, "cannot initialize crypto: ");
3044 exit(1);
3045 }
3046
3047 QLIST_INIT (&vm_change_state_head);
3048 os_setup_early_signal_handling();
3049
3050 cpu_model = NULL;
3051 snapshot = 0;
3052
3053 nb_nics = 0;
3054
3055 bdrv_init_with_whitelist();
3056
3057 autostart = 1;
3058
3059 /* first pass of option parsing */
3060 optind = 1;
3061 while (optind < argc) {
3062 if (argv[optind][0] != '-') {
3063 /* disk image */
3064 optind++;
3065 } else {
3066 const QEMUOption *popt;
3067
3068 popt = lookup_opt(argc, argv, &optarg, &optind);
3069 switch (popt->index) {
3070 case QEMU_OPTION_nouserconfig:
3071 userconfig = false;
3072 break;
3073 }
3074 }
3075 }
3076
3077 if (userconfig) {
3078 if (qemu_read_default_config_file() < 0) {
3079 exit(1);
3080 }
3081 }
3082
3083 /* second pass of option parsing */
3084 optind = 1;
3085 for(;;) {
3086 if (optind >= argc)
3087 break;
3088 if (argv[optind][0] != '-') {
3089 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3090 } else {
3091 const QEMUOption *popt;
3092
3093 popt = lookup_opt(argc, argv, &optarg, &optind);
3094 if (!(popt->arch_mask & arch_type)) {
3095 error_report("Option not supported for this target");
3096 exit(1);
3097 }
3098 switch(popt->index) {
3099 case QEMU_OPTION_cpu:
3100 /* hw initialization will check this */
3101 cpu_model = optarg;
3102 break;
3103 case QEMU_OPTION_hda:
3104 case QEMU_OPTION_hdb:
3105 case QEMU_OPTION_hdc:
3106 case QEMU_OPTION_hdd:
3107 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3108 HD_OPTS);
3109 break;
3110 case QEMU_OPTION_blockdev:
3111 {
3112 Visitor *v;
3113 BlockdevOptions_queue *bdo;
3114
3115 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3116 if (!v) {
3117 error_report_err(err);
3118 exit(1);
3119 }
3120
3121 bdo = g_new(BlockdevOptions_queue, 1);
3122 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3123 &error_fatal);
3124 visit_free(v);
3125 loc_save(&bdo->loc);
3126 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3127 break;
3128 }
3129 case QEMU_OPTION_drive:
3130 if (drive_def(optarg) == NULL) {
3131 exit(1);
3132 }
3133 break;
3134 case QEMU_OPTION_set:
3135 if (qemu_set_option(optarg) != 0)
3136 exit(1);
3137 break;
3138 case QEMU_OPTION_global:
3139 if (qemu_global_option(optarg) != 0)
3140 exit(1);
3141 break;
3142 case QEMU_OPTION_mtdblock:
3143 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3144 break;
3145 case QEMU_OPTION_sd:
3146 drive_add(IF_SD, -1, optarg, SD_OPTS);
3147 break;
3148 case QEMU_OPTION_pflash:
3149 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3150 break;
3151 case QEMU_OPTION_snapshot:
3152 snapshot = 1;
3153 break;
3154 case QEMU_OPTION_numa:
3155 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3156 optarg, true);
3157 if (!opts) {
3158 exit(1);
3159 }
3160 break;
3161 case QEMU_OPTION_display:
3162 parse_display(optarg);
3163 break;
3164 case QEMU_OPTION_nographic:
3165 olist = qemu_find_opts("machine");
3166 qemu_opts_parse_noisily(olist, "graphics=off", false);
3167 nographic = true;
3168 dpy.type = DISPLAY_TYPE_NONE;
3169 break;
3170 case QEMU_OPTION_curses:
3171 #ifdef CONFIG_CURSES
3172 dpy.type = DISPLAY_TYPE_CURSES;
3173 #else
3174 error_report("curses support is disabled");
3175 exit(1);
3176 #endif
3177 break;
3178 case QEMU_OPTION_portrait:
3179 graphic_rotate = 90;
3180 break;
3181 case QEMU_OPTION_rotate:
3182 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3183 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3184 graphic_rotate != 180 && graphic_rotate != 270) {
3185 error_report("only 90, 180, 270 deg rotation is available");
3186 exit(1);
3187 }
3188 break;
3189 case QEMU_OPTION_kernel:
3190 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3191 &error_abort);
3192 break;
3193 case QEMU_OPTION_initrd:
3194 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3195 &error_abort);
3196 break;
3197 case QEMU_OPTION_append:
3198 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3199 &error_abort);
3200 break;
3201 case QEMU_OPTION_dtb:
3202 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3203 &error_abort);
3204 break;
3205 case QEMU_OPTION_cdrom:
3206 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3207 break;
3208 case QEMU_OPTION_boot:
3209 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3210 optarg, true);
3211 if (!opts) {
3212 exit(1);
3213 }
3214 break;
3215 case QEMU_OPTION_fda:
3216 case QEMU_OPTION_fdb:
3217 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3218 optarg, FD_OPTS);
3219 break;
3220 case QEMU_OPTION_no_fd_bootchk:
3221 fd_bootchk = 0;
3222 break;
3223 case QEMU_OPTION_netdev:
3224 default_net = 0;
3225 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3226 exit(1);
3227 }
3228 break;
3229 case QEMU_OPTION_nic:
3230 default_net = 0;
3231 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3232 exit(1);
3233 }
3234 break;
3235 case QEMU_OPTION_net:
3236 default_net = 0;
3237 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3238 exit(1);
3239 }
3240 break;
3241 #ifdef CONFIG_LIBISCSI
3242 case QEMU_OPTION_iscsi:
3243 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3244 optarg, false);
3245 if (!opts) {
3246 exit(1);
3247 }
3248 break;
3249 #endif
3250 case QEMU_OPTION_bt:
3251 add_device_config(DEV_BT, optarg);
3252 break;
3253 case QEMU_OPTION_audio_help:
3254 AUD_help ();
3255 exit (0);
3256 break;
3257 case QEMU_OPTION_soundhw:
3258 select_soundhw (optarg);
3259 break;
3260 case QEMU_OPTION_h:
3261 help(0);
3262 break;
3263 case QEMU_OPTION_version:
3264 version();
3265 exit(0);
3266 break;
3267 case QEMU_OPTION_m:
3268 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3269 optarg, true);
3270 if (!opts) {
3271 exit(EXIT_FAILURE);
3272 }
3273 break;
3274 #ifdef CONFIG_TPM
3275 case QEMU_OPTION_tpmdev:
3276 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3277 exit(1);
3278 }
3279 break;
3280 #endif
3281 case QEMU_OPTION_mempath:
3282 mem_path = optarg;
3283 break;
3284 case QEMU_OPTION_mem_prealloc:
3285 mem_prealloc = 1;
3286 break;
3287 case QEMU_OPTION_d:
3288 log_mask = optarg;
3289 break;
3290 case QEMU_OPTION_D:
3291 log_file = optarg;
3292 break;
3293 case QEMU_OPTION_DFILTER:
3294 qemu_set_dfilter_ranges(optarg, &error_fatal);
3295 break;
3296 case QEMU_OPTION_s:
3297 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3298 break;
3299 case QEMU_OPTION_gdb:
3300 add_device_config(DEV_GDB, optarg);
3301 break;
3302 case QEMU_OPTION_L:
3303 if (is_help_option(optarg)) {
3304 list_data_dirs = true;
3305 } else {
3306 qemu_add_data_dir(optarg);
3307 }
3308 break;
3309 case QEMU_OPTION_bios:
3310 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3311 &error_abort);
3312 break;
3313 case QEMU_OPTION_singlestep:
3314 singlestep = 1;
3315 break;
3316 case QEMU_OPTION_S:
3317 autostart = 0;
3318 break;
3319 case QEMU_OPTION_k:
3320 keyboard_layout = optarg;
3321 break;
3322 case QEMU_OPTION_vga:
3323 vga_model = optarg;
3324 default_vga = 0;
3325 break;
3326 case QEMU_OPTION_g:
3327 {
3328 const char *p;
3329 int w, h, depth;
3330 p = optarg;
3331 w = strtol(p, (char **)&p, 10);
3332 if (w <= 0) {
3333 graphic_error:
3334 error_report("invalid resolution or depth");
3335 exit(1);
3336 }
3337 if (*p != 'x')
3338 goto graphic_error;
3339 p++;
3340 h = strtol(p, (char **)&p, 10);
3341 if (h <= 0)
3342 goto graphic_error;
3343 if (*p == 'x') {
3344 p++;
3345 depth = strtol(p, (char **)&p, 10);
3346 if (depth != 8 && depth != 15 && depth != 16 &&
3347 depth != 24 && depth != 32)
3348 goto graphic_error;
3349 } else if (*p == '\0') {
3350 depth = graphic_depth;
3351 } else {
3352 goto graphic_error;
3353 }
3354
3355 graphic_width = w;
3356 graphic_height = h;
3357 graphic_depth = depth;
3358 }
3359 break;
3360 case QEMU_OPTION_echr:
3361 {
3362 char *r;
3363 term_escape_char = strtol(optarg, &r, 0);
3364 if (r == optarg)
3365 printf("Bad argument to echr\n");
3366 break;
3367 }
3368 case QEMU_OPTION_monitor:
3369 default_monitor = 0;
3370 if (strncmp(optarg, "none", 4)) {
3371 monitor_parse(optarg, "readline", false);
3372 }
3373 break;
3374 case QEMU_OPTION_qmp:
3375 monitor_parse(optarg, "control", false);
3376 default_monitor = 0;
3377 break;
3378 case QEMU_OPTION_qmp_pretty:
3379 monitor_parse(optarg, "control", true);
3380 default_monitor = 0;
3381 break;
3382 case QEMU_OPTION_mon:
3383 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3384 true);
3385 if (!opts) {
3386 exit(1);
3387 }
3388 default_monitor = 0;
3389 break;
3390 case QEMU_OPTION_chardev:
3391 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3392 optarg, true);
3393 if (!opts) {
3394 exit(1);
3395 }
3396 break;
3397 case QEMU_OPTION_fsdev:
3398 olist = qemu_find_opts("fsdev");
3399 if (!olist) {
3400 error_report("fsdev support is disabled");
3401 exit(1);
3402 }
3403 opts = qemu_opts_parse_noisily(olist, optarg, true);
3404 if (!opts) {
3405 exit(1);
3406 }
3407 break;
3408 case QEMU_OPTION_virtfs: {
3409 QemuOpts *fsdev;
3410 QemuOpts *device;
3411 const char *writeout, *sock_fd, *socket, *path, *security_model;
3412
3413 olist = qemu_find_opts("virtfs");
3414 if (!olist) {
3415 error_report("virtfs support is disabled");
3416 exit(1);
3417 }
3418 opts = qemu_opts_parse_noisily(olist, optarg, true);
3419 if (!opts) {
3420 exit(1);
3421 }
3422
3423 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3424 qemu_opt_get(opts, "mount_tag") == NULL) {
3425 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3426 exit(1);
3427 }
3428 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3429 qemu_opts_id(opts) ?:
3430 qemu_opt_get(opts, "mount_tag"),
3431 1, NULL);
3432 if (!fsdev) {
3433 error_report("duplicate or invalid fsdev id: %s",
3434 qemu_opt_get(opts, "mount_tag"));
3435 exit(1);
3436 }
3437
3438 writeout = qemu_opt_get(opts, "writeout");
3439 if (writeout) {
3440 #ifdef CONFIG_SYNC_FILE_RANGE
3441 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3442 #else
3443 error_report("writeout=immediate not supported "
3444 "on this platform");
3445 exit(1);
3446 #endif
3447 }
3448 qemu_opt_set(fsdev, "fsdriver",
3449 qemu_opt_get(opts, "fsdriver"), &error_abort);
3450 path = qemu_opt_get(opts, "path");
3451 if (path) {
3452 qemu_opt_set(fsdev, "path", path, &error_abort);
3453 }
3454 security_model = qemu_opt_get(opts, "security_model");
3455 if (security_model) {
3456 qemu_opt_set(fsdev, "security_model", security_model,
3457 &error_abort);
3458 }
3459 socket = qemu_opt_get(opts, "socket");
3460 if (socket) {
3461 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3462 }
3463 sock_fd = qemu_opt_get(opts, "sock_fd");
3464 if (sock_fd) {
3465 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3466 }
3467
3468 qemu_opt_set_bool(fsdev, "readonly",
3469 qemu_opt_get_bool(opts, "readonly", 0),
3470 &error_abort);
3471 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3472 &error_abort);
3473 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3474 qemu_opt_set(device, "fsdev",
3475 qemu_opts_id(fsdev), &error_abort);
3476 qemu_opt_set(device, "mount_tag",
3477 qemu_opt_get(opts, "mount_tag"), &error_abort);
3478 break;
3479 }
3480 case QEMU_OPTION_virtfs_synth: {
3481 QemuOpts *fsdev;
3482 QemuOpts *device;
3483
3484 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3485 1, NULL);
3486 if (!fsdev) {
3487 error_report("duplicate option: %s", "virtfs_synth");
3488 exit(1);
3489 }
3490 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3491
3492 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3493 &error_abort);
3494 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3495 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3496 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3497 break;
3498 }
3499 case QEMU_OPTION_serial:
3500 add_device_config(DEV_SERIAL, optarg);
3501 default_serial = 0;
3502 if (strncmp(optarg, "mon:", 4) == 0) {
3503 default_monitor = 0;
3504 }
3505 break;
3506 case QEMU_OPTION_watchdog:
3507 if (watchdog) {
3508 error_report("only one watchdog option may be given");
3509 return 1;
3510 }
3511 watchdog = optarg;
3512 break;
3513 case QEMU_OPTION_watchdog_action:
3514 if (select_watchdog_action(optarg) == -1) {
3515 error_report("unknown -watchdog-action parameter");
3516 exit(1);
3517 }
3518 break;
3519 case QEMU_OPTION_virtiocon:
3520 warn_report("This option is deprecated, "
3521 "use '-device virtconsole' instead");
3522 add_device_config(DEV_VIRTCON, optarg);
3523 default_virtcon = 0;
3524 if (strncmp(optarg, "mon:", 4) == 0) {
3525 default_monitor = 0;
3526 }
3527 break;
3528 case QEMU_OPTION_parallel:
3529 add_device_config(DEV_PARALLEL, optarg);
3530 default_parallel = 0;
3531 if (strncmp(optarg, "mon:", 4) == 0) {
3532 default_monitor = 0;
3533 }
3534 break;
3535 case QEMU_OPTION_debugcon:
3536 add_device_config(DEV_DEBUGCON, optarg);
3537 break;
3538 case QEMU_OPTION_loadvm:
3539 loadvm = optarg;
3540 break;
3541 case QEMU_OPTION_full_screen:
3542 dpy.has_full_screen = true;
3543 dpy.full_screen = true;
3544 break;
3545 case QEMU_OPTION_no_frame:
3546 g_printerr("The -no-frame switch is deprecated, and will be\n"
3547 "removed in a future release.\n");
3548 no_frame = 1;
3549 break;
3550 case QEMU_OPTION_alt_grab:
3551 alt_grab = 1;
3552 break;
3553 case QEMU_OPTION_ctrl_grab:
3554 ctrl_grab = 1;
3555 break;
3556 case QEMU_OPTION_no_quit:
3557 dpy.has_window_close = true;
3558 dpy.window_close = false;
3559 break;
3560 case QEMU_OPTION_sdl:
3561 #ifdef CONFIG_SDL
3562 dpy.type = DISPLAY_TYPE_SDL;
3563 break;
3564 #else
3565 error_report("SDL support is disabled");
3566 exit(1);
3567 #endif
3568 case QEMU_OPTION_pidfile:
3569 pid_file = optarg;
3570 break;
3571 case QEMU_OPTION_win2k_hack:
3572 win2k_install_hack = 1;
3573 break;
3574 case QEMU_OPTION_acpitable:
3575 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3576 optarg, true);
3577 if (!opts) {
3578 exit(1);
3579 }
3580 acpi_table_add(opts, &error_fatal);
3581 break;
3582 case QEMU_OPTION_smbios:
3583 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3584 optarg, false);
3585 if (!opts) {
3586 exit(1);
3587 }
3588 smbios_entry_add(opts, &error_fatal);
3589 break;
3590 case QEMU_OPTION_fwcfg:
3591 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3592 optarg, true);
3593 if (opts == NULL) {
3594 exit(1);
3595 }
3596 break;
3597 case QEMU_OPTION_preconfig:
3598 preconfig_exit_requested = false;
3599 break;
3600 case QEMU_OPTION_enable_kvm:
3601 olist = qemu_find_opts("machine");
3602 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3603 break;
3604 case QEMU_OPTION_enable_hax:
3605 warn_report("Option is deprecated, use '-accel hax' instead");
3606 olist = qemu_find_opts("machine");
3607 qemu_opts_parse_noisily(olist, "accel=hax", false);
3608 break;
3609 case QEMU_OPTION_M:
3610 case QEMU_OPTION_machine:
3611 olist = qemu_find_opts("machine");
3612 opts = qemu_opts_parse_noisily(olist, optarg, true);
3613 if (!opts) {
3614 exit(1);
3615 }
3616 break;
3617 case QEMU_OPTION_no_kvm:
3618 olist = qemu_find_opts("machine");
3619 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3620 break;
3621 case QEMU_OPTION_accel:
3622 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3623 optarg, true);
3624 optarg = qemu_opt_get(accel_opts, "accel");
3625 if (!optarg || is_help_option(optarg)) {
3626 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3627 exit(0);
3628 }
3629 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3630 false, &error_abort);
3631 qemu_opt_set(opts, "accel", optarg, &error_abort);
3632 break;
3633 case QEMU_OPTION_usb:
3634 olist = qemu_find_opts("machine");
3635 qemu_opts_parse_noisily(olist, "usb=on", false);
3636 break;
3637 case QEMU_OPTION_usbdevice:
3638 error_report("'-usbdevice' is deprecated, please use "
3639 "'-device usb-...' instead");
3640 olist = qemu_find_opts("machine");
3641 qemu_opts_parse_noisily(olist, "usb=on", false);
3642 add_device_config(DEV_USB, optarg);
3643 break;
3644 case QEMU_OPTION_device:
3645 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3646 optarg, true)) {
3647 exit(1);
3648 }
3649 break;
3650 case QEMU_OPTION_smp:
3651 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3652 optarg, true)) {
3653 exit(1);
3654 }
3655 break;
3656 case QEMU_OPTION_vnc:
3657 vnc_parse(optarg, &error_fatal);
3658 break;
3659 case QEMU_OPTION_no_acpi:
3660 acpi_enabled = 0;
3661 break;
3662 case QEMU_OPTION_no_hpet:
3663 no_hpet = 1;
3664 break;
3665 case QEMU_OPTION_no_reboot:
3666 no_reboot = 1;
3667 break;
3668 case QEMU_OPTION_no_shutdown:
3669 no_shutdown = 1;
3670 break;
3671 case QEMU_OPTION_show_cursor:
3672 cursor_hide = 0;
3673 break;
3674 case QEMU_OPTION_uuid:
3675 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3676 error_report("failed to parse UUID string: wrong format");
3677 exit(1);
3678 }
3679 qemu_uuid_set = true;
3680 break;
3681 case QEMU_OPTION_option_rom:
3682 if (nb_option_roms >= MAX_OPTION_ROMS) {
3683 error_report("too many option ROMs");
3684 exit(1);
3685 }
3686 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3687 optarg, true);
3688 if (!opts) {
3689 exit(1);
3690 }
3691 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3692 option_rom[nb_option_roms].bootindex =
3693 qemu_opt_get_number(opts, "bootindex", -1);
3694 if (!option_rom[nb_option_roms].name) {
3695 error_report("Option ROM file is not specified");
3696 exit(1);
3697 }
3698 nb_option_roms++;
3699 break;
3700 case QEMU_OPTION_semihosting:
3701 semihosting.enabled = true;
3702 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3703 break;
3704 case QEMU_OPTION_semihosting_config:
3705 semihosting.enabled = true;
3706 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3707 optarg, false);
3708 if (opts != NULL) {
3709 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3710 true);
3711 const char *target = qemu_opt_get(opts, "target");
3712 if (target != NULL) {
3713 if (strcmp("native", target) == 0) {
3714 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3715 } else if (strcmp("gdb", target) == 0) {
3716 semihosting.target = SEMIHOSTING_TARGET_GDB;
3717 } else if (strcmp("auto", target) == 0) {
3718 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3719 } else {
3720 error_report("unsupported semihosting-config %s",
3721 optarg);
3722 exit(1);
3723 }
3724 } else {
3725 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3726 }
3727 /* Set semihosting argument count and vector */
3728 qemu_opt_foreach(opts, add_semihosting_arg,
3729 &semihosting, NULL);
3730 } else {
3731 error_report("unsupported semihosting-config %s", optarg);
3732 exit(1);
3733 }
3734 break;
3735 case QEMU_OPTION_name:
3736 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3737 optarg, true);
3738 if (!opts) {
3739 exit(1);
3740 }
3741 break;
3742 case QEMU_OPTION_prom_env:
3743 if (nb_prom_envs >= MAX_PROM_ENVS) {
3744 error_report("too many prom variables");
3745 exit(1);
3746 }
3747 prom_envs[nb_prom_envs] = optarg;
3748 nb_prom_envs++;
3749 break;
3750 case QEMU_OPTION_old_param:
3751 old_param = 1;
3752 break;
3753 case QEMU_OPTION_clock:
3754 /* Clock options no longer exist. Keep this option for
3755 * backward compatibility.
3756 */
3757 warn_report("This option is ignored and will be removed soon");
3758 break;
3759 case QEMU_OPTION_rtc:
3760 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3761 false);
3762 if (!opts) {
3763 exit(1);
3764 }
3765 break;
3766 case QEMU_OPTION_tb_size:
3767 #ifndef CONFIG_TCG
3768 error_report("TCG is disabled");
3769 exit(1);
3770 #endif
3771 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3772 error_report("Invalid argument to -tb-size");
3773 exit(1);
3774 }
3775 break;
3776 case QEMU_OPTION_icount:
3777 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3778 optarg, true);
3779 if (!icount_opts) {
3780 exit(1);
3781 }
3782 break;
3783 case QEMU_OPTION_incoming:
3784 if (!incoming) {
3785 runstate_set(RUN_STATE_INMIGRATE);
3786 }
3787 incoming = optarg;
3788 break;
3789 case QEMU_OPTION_only_migratable:
3790 /*
3791 * TODO: we can remove this option one day, and we
3792 * should all use:
3793 *
3794 * "-global migration.only-migratable=true"
3795 */
3796 qemu_global_option("migration.only-migratable=true");
3797 break;
3798 case QEMU_OPTION_nodefaults:
3799 has_defaults = 0;
3800 break;
3801 case QEMU_OPTION_xen_domid:
3802 if (!(xen_available())) {
3803 error_report("Option not supported for this target");
3804 exit(1);
3805 }
3806 xen_domid = atoi(optarg);
3807 break;
3808 case QEMU_OPTION_xen_create:
3809 if (!(xen_available())) {
3810 error_report("Option not supported for this target");
3811 exit(1);
3812 }
3813 xen_mode = XEN_CREATE;
3814 break;
3815 case QEMU_OPTION_xen_attach:
3816 if (!(xen_available())) {
3817 error_report("Option not supported for this target");
3818 exit(1);
3819 }
3820 xen_mode = XEN_ATTACH;
3821 break;
3822 case QEMU_OPTION_xen_domid_restrict:
3823 if (!(xen_available())) {
3824 error_report("Option not supported for this target");
3825 exit(1);
3826 }
3827 xen_domid_restrict = true;
3828 break;
3829 case QEMU_OPTION_trace:
3830 g_free(trace_file);
3831 trace_file = trace_opt_parse(optarg);
3832 break;
3833 case QEMU_OPTION_readconfig:
3834 {
3835 int ret = qemu_read_config_file(optarg);
3836 if (ret < 0) {
3837 error_report("read config %s: %s", optarg,
3838 strerror(-ret));
3839 exit(1);
3840 }
3841 break;
3842 }
3843 case QEMU_OPTION_spice:
3844 olist = qemu_find_opts("spice");
3845 if (!olist) {
3846 error_report("spice support is disabled");
3847 exit(1);
3848 }
3849 opts = qemu_opts_parse_noisily(olist, optarg, false);
3850 if (!opts) {
3851 exit(1);
3852 }
3853 display_remote++;
3854 break;
3855 case QEMU_OPTION_writeconfig:
3856 {
3857 FILE *fp;
3858 if (strcmp(optarg, "-") == 0) {
3859 fp = stdout;
3860 } else {
3861 fp = fopen(optarg, "w");
3862 if (fp == NULL) {
3863 error_report("open %s: %s", optarg,
3864 strerror(errno));
3865 exit(1);
3866 }
3867 }
3868 qemu_config_write(fp);
3869 if (fp != stdout) {
3870 fclose(fp);
3871 }
3872 break;
3873 }
3874 case QEMU_OPTION_qtest:
3875 qtest_chrdev = optarg;
3876 break;
3877 case QEMU_OPTION_qtest_log:
3878 qtest_log = optarg;
3879 break;
3880 case QEMU_OPTION_sandbox:
3881 #ifdef CONFIG_SECCOMP
3882 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3883 optarg, true);
3884 if (!opts) {
3885 exit(1);
3886 }
3887 #else
3888 error_report("-sandbox support is not enabled "
3889 "in this QEMU binary");
3890 exit(1);
3891 #endif
3892 break;
3893 case QEMU_OPTION_add_fd:
3894 #ifndef _WIN32
3895 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3896 optarg, false);
3897 if (!opts) {
3898 exit(1);
3899 }
3900 #else
3901 error_report("File descriptor passing is disabled on this "
3902 "platform");
3903 exit(1);
3904 #endif
3905 break;
3906 case QEMU_OPTION_object:
3907 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3908 optarg, true);
3909 if (!opts) {
3910 exit(1);
3911 }
3912 break;
3913 case QEMU_OPTION_realtime:
3914 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3915 optarg, false);
3916 if (!opts) {
3917 exit(1);
3918 }
3919 /* Don't override the -overcommit option if set */
3920 enable_mlock = enable_mlock ||
3921 qemu_opt_get_bool(opts, "mlock", true);
3922 break;
3923 case QEMU_OPTION_overcommit:
3924 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3925 optarg, false);
3926 if (!opts) {
3927 exit(1);
3928 }
3929 /* Don't override the -realtime option if set */
3930 enable_mlock = enable_mlock ||
3931 qemu_opt_get_bool(opts, "mem-lock", false);
3932 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3933 break;
3934 case QEMU_OPTION_msg:
3935 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3936 false);
3937 if (!opts) {
3938 exit(1);
3939 }
3940 configure_msg(opts);
3941 break;
3942 case QEMU_OPTION_dump_vmstate:
3943 if (vmstate_dump_file) {
3944 error_report("only one '-dump-vmstate' "
3945 "option may be given");
3946 exit(1);
3947 }
3948 vmstate_dump_file = fopen(optarg, "w");
3949 if (vmstate_dump_file == NULL) {
3950 error_report("open %s: %s", optarg, strerror(errno));
3951 exit(1);
3952 }
3953 break;
3954 case QEMU_OPTION_enable_sync_profile:
3955 qsp_enable();
3956 break;
3957 case QEMU_OPTION_nouserconfig:
3958 /* Nothing to be parsed here. Especially, do not error out below. */
3959 break;
3960 default:
3961 if (os_parse_cmd_args(popt->index, optarg)) {
3962 error_report("Option not supported in this build");
3963 exit(1);
3964 }
3965 }
3966 }
3967 }
3968 /*
3969 * Clear error location left behind by the loop.
3970 * Best done right after the loop. Do not insert code here!
3971 */
3972 loc_set_none();
3973
3974 replay_configure(icount_opts);
3975
3976 if (incoming && !preconfig_exit_requested) {
3977 error_report("'preconfig' and 'incoming' options are "
3978 "mutually exclusive");
3979 exit(EXIT_FAILURE);
3980 }
3981
3982 configure_rtc(qemu_find_opts_singleton("rtc"));
3983
3984 machine_class = select_machine();
3985
3986 set_memory_options(&ram_slots, &maxram_size, machine_class);
3987
3988 os_daemonize();
3989 rcu_disable_atfork();
3990
3991 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3992 error_reportf_err(err, "cannot create PID file: ");
3993 exit(1);
3994 }
3995
3996 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3997 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3998
3999 if (qemu_init_main_loop(&main_loop_err)) {
4000 error_report_err(main_loop_err);
4001 exit(1);
4002 }
4003
4004 #ifdef CONFIG_SECCOMP
4005 olist = qemu_find_opts_err("sandbox", NULL);
4006 if (olist) {
4007 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4008 }
4009 #endif
4010
4011 qemu_opts_foreach(qemu_find_opts("name"),
4012 parse_name, NULL, &error_fatal);
4013
4014 #ifndef _WIN32
4015 qemu_opts_foreach(qemu_find_opts("add-fd"),
4016 parse_add_fd, NULL, &error_fatal);
4017
4018 qemu_opts_foreach(qemu_find_opts("add-fd"),
4019 cleanup_add_fd, NULL, &error_fatal);
4020 #endif
4021
4022 current_machine = MACHINE(object_new(object_class_get_name(
4023 OBJECT_CLASS(machine_class))));
4024 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4025 exit(0);
4026 }
4027 object_property_add_child(object_get_root(), "machine",
4028 OBJECT(current_machine), &error_abort);
4029
4030 if (machine_class->minimum_page_bits) {
4031 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4032 /* This would be a board error: specifying a minimum smaller than
4033 * a target's compile-time fixed setting.
4034 */
4035 g_assert_not_reached();
4036 }
4037 }
4038
4039 cpu_exec_init_all();
4040
4041 if (machine_class->hw_version) {
4042 qemu_set_hw_version(machine_class->hw_version);
4043 }
4044
4045 if (cpu_model && is_help_option(cpu_model)) {
4046 list_cpus(stdout, &fprintf, cpu_model);
4047 exit(0);
4048 }
4049
4050 if (!trace_init_backends()) {
4051 exit(1);
4052 }
4053 trace_init_file(trace_file);
4054
4055 /* Open the logfile at this point and set the log mask if necessary.
4056 */
4057 if (log_file) {
4058 qemu_set_log_filename(log_file, &error_fatal);
4059 }
4060
4061 if (log_mask) {
4062 int mask;
4063 mask = qemu_str_to_log_mask(log_mask);
4064 if (!mask) {
4065 qemu_print_log_usage(stdout);
4066 exit(1);
4067 }
4068 qemu_set_log(mask);
4069 } else {
4070 qemu_set_log(0);
4071 }
4072
4073 /* add configured firmware directories */
4074 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4075 for (i = 0; dirs[i] != NULL; i++) {
4076 qemu_add_data_dir(dirs[i]);
4077 }
4078 g_strfreev(dirs);
4079
4080 /* try to find datadir relative to the executable path */
4081 dir = os_find_datadir();
4082 qemu_add_data_dir(dir);
4083 g_free(dir);
4084
4085 /* add the datadir specified when building */
4086 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4087
4088 /* -L help lists the data directories and exits. */
4089 if (list_data_dirs) {
4090 for (i = 0; i < data_dir_idx; i++) {
4091 printf("%s\n", data_dir[i]);
4092 }
4093 exit(0);
4094 }
4095
4096 /* machine_class: default to UP */
4097 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4098 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4099 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4100
4101 /* default to machine_class->default_cpus */
4102 smp_cpus = machine_class->default_cpus;
4103 max_cpus = machine_class->default_cpus;
4104
4105 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4106
4107 /* sanity-check smp_cpus and max_cpus against machine_class */
4108 if (smp_cpus < machine_class->min_cpus) {
4109 error_report("Invalid SMP CPUs %d. The min CPUs "
4110 "supported by machine '%s' is %d", smp_cpus,
4111 machine_class->name, machine_class->min_cpus);
4112 exit(1);
4113 }
4114 if (max_cpus > machine_class->max_cpus) {
4115 error_report("Invalid SMP CPUs %d. The max CPUs "
4116 "supported by machine '%s' is %d", max_cpus,
4117 machine_class->name, machine_class->max_cpus);
4118 exit(1);
4119 }
4120
4121 /*
4122 * Get the default machine options from the machine if it is not already
4123 * specified either by the configuration file or by the command line.
4124 */
4125 if (machine_class->default_machine_opts) {
4126 qemu_opts_set_defaults(qemu_find_opts("machine"),
4127 machine_class->default_machine_opts, 0);
4128 }
4129
4130 qemu_opts_foreach(qemu_find_opts("device"),
4131 default_driver_check, NULL, NULL);
4132 qemu_opts_foreach(qemu_find_opts("global"),
4133 default_driver_check, NULL, NULL);
4134
4135 if (!vga_model && !default_vga) {
4136 vga_interface_type = VGA_DEVICE;
4137 }
4138 if (!has_defaults || machine_class->no_serial) {
4139 default_serial = 0;
4140 }
4141 if (!has_defaults || machine_class->no_parallel) {
4142 default_parallel = 0;
4143 }
4144 if (!has_defaults || !machine_class->use_virtcon) {
4145 default_virtcon = 0;
4146 }
4147 if (!has_defaults || machine_class->no_floppy) {
4148 default_floppy = 0;
4149 }
4150 if (!has_defaults || machine_class->no_cdrom) {
4151 default_cdrom = 0;
4152 }
4153 if (!has_defaults || machine_class->no_sdcard) {
4154 default_sdcard = 0;
4155 }
4156 if (!has_defaults) {
4157 default_monitor = 0;
4158 default_net = 0;
4159 default_vga = 0;
4160 }
4161
4162 if (is_daemonized()) {
4163 if (!preconfig_exit_requested) {
4164 error_report("'preconfig' and 'daemonize' options are "
4165 "mutually exclusive");
4166 exit(EXIT_FAILURE);
4167 }
4168
4169 /* According to documentation and historically, -nographic redirects
4170 * serial port, parallel port and monitor to stdio, which does not work
4171 * with -daemonize. We can redirect these to null instead, but since
4172 * -nographic is legacy, let's just error out.
4173 * We disallow -nographic only if all other ports are not redirected
4174 * explicitly, to not break existing legacy setups which uses
4175 * -nographic _and_ redirects all ports explicitly - this is valid
4176 * usage, -nographic is just a no-op in this case.
4177 */
4178 if (nographic
4179 && (default_parallel || default_serial
4180 || default_monitor || default_virtcon)) {
4181 error_report("-nographic cannot be used with -daemonize");
4182 exit(1);
4183 }
4184 #ifdef CONFIG_CURSES
4185 if (dpy.type == DISPLAY_TYPE_CURSES) {
4186 error_report("curses display cannot be used with -daemonize");
4187 exit(1);
4188 }
4189 #endif
4190 }
4191
4192 if (nographic) {
4193 if (default_parallel)
4194 add_device_config(DEV_PARALLEL, "null");
4195 if (default_serial && default_monitor) {
4196 add_device_config(DEV_SERIAL, "mon:stdio");
4197 } else if (default_virtcon && default_monitor) {
4198 add_device_config(DEV_VIRTCON, "mon:stdio");
4199 } else {
4200 if (default_serial)
4201 add_device_config(DEV_SERIAL, "stdio");
4202 if (default_virtcon)
4203 add_device_config(DEV_VIRTCON, "stdio");
4204 if (default_monitor)
4205 monitor_parse("stdio", "readline", false);
4206 }
4207 } else {
4208 if (default_serial)
4209 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4210 if (default_parallel)
4211 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4212 if (default_monitor)
4213 monitor_parse("vc:80Cx24C", "readline", false);
4214 if (default_virtcon)
4215 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4216 }
4217
4218 #if defined(CONFIG_VNC)
4219 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4220 display_remote++;
4221 }
4222 #endif
4223 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4224 if (!qemu_display_find_default(&dpy)) {
4225 dpy.type = DISPLAY_TYPE_NONE;
4226 #if defined(CONFIG_VNC)
4227 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4228 #endif
4229 }
4230 }
4231 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4232 dpy.type = DISPLAY_TYPE_NONE;
4233 }
4234
4235 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4236 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4237 "for SDL, ignoring option");
4238 }
4239 if (dpy.has_window_close &&
4240 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4241 error_report("-no-quit is only valid for GTK and SDL, "
4242 "ignoring option");
4243 }
4244
4245 qemu_display_early_init(&dpy);
4246 qemu_console_early_init();
4247
4248 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4249 #if defined(CONFIG_OPENGL)
4250 error_report("OpenGL is not supported by the display");
4251 #else
4252 error_report("OpenGL support is disabled");
4253 #endif
4254 exit(1);
4255 }
4256
4257 page_size_init();
4258 socket_init();
4259
4260 qemu_opts_foreach(qemu_find_opts("object"),
4261 user_creatable_add_opts_foreach,
4262 object_create_initial, &error_fatal);
4263
4264 qemu_opts_foreach(qemu_find_opts("chardev"),
4265 chardev_init_func, NULL, &error_fatal);
4266
4267 #ifdef CONFIG_VIRTFS
4268 qemu_opts_foreach(qemu_find_opts("fsdev"),
4269 fsdev_init_func, NULL, &error_fatal);
4270 #endif
4271
4272 if (qemu_opts_foreach(qemu_find_opts("device"),
4273 device_help_func, NULL, NULL)) {
4274 exit(0);
4275 }
4276
4277 machine_opts = qemu_get_machine_opts();
4278 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4279 &error_fatal);
4280
4281 configure_accelerator(current_machine);
4282
4283 if (!qtest_enabled() && machine_class->deprecation_reason) {
4284 error_report("Machine type '%s' is deprecated: %s",
4285 machine_class->name, machine_class->deprecation_reason);
4286 }
4287
4288 /*
4289 * Register all the global properties, including accel properties,
4290 * machine properties, and user-specified ones.
4291 */
4292 register_global_properties(current_machine);
4293
4294 /*
4295 * Migration object can only be created after global properties
4296 * are applied correctly.
4297 */
4298 migration_object_init();
4299
4300 if (qtest_chrdev) {
4301 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4302 }
4303
4304 machine_opts = qemu_get_machine_opts();
4305 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4306 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4307 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4308 bios_name = qemu_opt_get(machine_opts, "firmware");
4309
4310 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4311 if (opts) {
4312 boot_order = qemu_opt_get(opts, "order");
4313 if (boot_order) {
4314 validate_bootdevices(boot_order, &error_fatal);
4315 }
4316
4317 boot_once = qemu_opt_get(opts, "once");
4318 if (boot_once) {
4319 validate_bootdevices(boot_once, &error_fatal);
4320 }
4321
4322 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4323 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4324 }
4325
4326 if (!boot_order) {
4327 boot_order = machine_class->default_boot_order;
4328 }
4329
4330 if (!kernel_cmdline) {
4331 kernel_cmdline = "";
4332 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4333 }
4334
4335 linux_boot = (kernel_filename != NULL);
4336
4337 if (!linux_boot && *kernel_cmdline != '\0') {
4338 error_report("-append only allowed with -kernel option");
4339 exit(1);
4340 }
4341
4342 if (!linux_boot && initrd_filename != NULL) {
4343 error_report("-initrd only allowed with -kernel option");
4344 exit(1);
4345 }
4346
4347 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4348 /* fall back to the -kernel/-append */
4349 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4350 }
4351
4352 os_set_line_buffering();
4353
4354 /* spice needs the timers to be initialized by this point */
4355 qemu_spice_init();
4356
4357 cpu_ticks_init();
4358 if (icount_opts) {
4359 if (!tcg_enabled()) {
4360 error_report("-icount is not allowed with hardware virtualization");
4361 exit(1);
4362 }
4363 configure_icount(icount_opts, &error_abort);
4364 qemu_opts_del(icount_opts);
4365 }
4366
4367 if (tcg_enabled()) {
4368 qemu_tcg_configure(accel_opts, &error_fatal);
4369 }
4370
4371 if (default_net) {
4372 QemuOptsList *net = qemu_find_opts("net");
4373 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4374 #ifdef CONFIG_SLIRP
4375 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4376 #endif
4377 }
4378
4379 if (net_init_clients(&err) < 0) {
4380 error_report_err(err);
4381 exit(1);
4382 }
4383
4384 qemu_opts_foreach(qemu_find_opts("object"),
4385 user_creatable_add_opts_foreach,
4386 object_create_delayed, &error_fatal);
4387
4388 tpm_init();
4389
4390 /* init the bluetooth world */
4391 if (foreach_device_config(DEV_BT, bt_parse))
4392 exit(1);
4393
4394 if (!xen_enabled()) {
4395 /* On 32-bit hosts, QEMU is limited by virtual address space */
4396 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4397 error_report("at most 2047 MB RAM can be simulated");
4398 exit(1);
4399 }
4400 }
4401
4402 blk_mig_init();
4403 ram_mig_init();
4404 dirty_bitmap_mig_init();
4405
4406 /* If the currently selected machine wishes to override the units-per-bus
4407 * property of its default HBA interface type, do so now. */
4408 if (machine_class->units_per_default_bus) {
4409 override_max_devs(machine_class->block_default_type,
4410 machine_class->units_per_default_bus);
4411 }
4412
4413 /* open the virtual block devices */
4414 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4415 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4416
4417 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4418 loc_push_restore(&bdo->loc);
4419 qmp_blockdev_add(bdo->bdo, &error_fatal);
4420 loc_pop(&bdo->loc);
4421 qapi_free_BlockdevOptions(bdo->bdo);
4422 g_free(bdo);
4423 }
4424 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4425 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4426 NULL, NULL);
4427 }
4428 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4429 &machine_class->block_default_type, &error_fatal)) {
4430 /* We printed help */
4431 exit(0);
4432 }
4433
4434 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4435 CDROM_OPTS);
4436 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4437 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4438
4439 qemu_opts_foreach(qemu_find_opts("mon"),
4440 mon_init_func, NULL, &error_fatal);
4441
4442 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4443 exit(1);
4444 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4445 exit(1);
4446 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4447 exit(1);
4448 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4449 exit(1);
4450
4451 /* If no default VGA is requested, the default is "none". */
4452 if (default_vga) {
4453 if (machine_class->default_display) {
4454 vga_model = machine_class->default_display;
4455 } else if (vga_interface_available(VGA_CIRRUS)) {
4456 vga_model = "cirrus";
4457 } else if (vga_interface_available(VGA_STD)) {
4458 vga_model = "std";
4459 }
4460 }
4461 if (vga_model) {
4462 select_vgahw(vga_model);
4463 }
4464
4465 if (watchdog) {
4466 i = select_watchdog(watchdog);
4467 if (i > 0)
4468 exit (i == 1 ? 1 : 0);
4469 }
4470
4471 /* This checkpoint is required by replay to separate prior clock
4472 reading from the other reads, because timer polling functions query
4473 clock values from the log. */
4474 replay_checkpoint(CHECKPOINT_INIT);
4475 qdev_machine_init();
4476
4477 current_machine->ram_size = ram_size;
4478 current_machine->maxram_size = maxram_size;
4479 current_machine->ram_slots = ram_slots;
4480 current_machine->boot_order = boot_order;
4481
4482 /* parse features once if machine provides default cpu_type */
4483 current_machine->cpu_type = machine_class->default_cpu_type;
4484 if (cpu_model) {
4485 current_machine->cpu_type = parse_cpu_model(cpu_model);
4486 }
4487 parse_numa_opts(current_machine);
4488
4489 /* do monitor/qmp handling at preconfig state if requested */
4490 main_loop();
4491
4492 /* from here on runstate is RUN_STATE_PRELAUNCH */
4493 machine_run_board_init(current_machine);
4494
4495 realtime_init();
4496
4497 soundhw_init();
4498
4499 if (hax_enabled()) {
4500 hax_sync_vcpus();
4501 }
4502
4503 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4504 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4505
4506 /* init USB devices */
4507 if (machine_usb(current_machine)) {
4508 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4509 exit(1);
4510 }
4511
4512 /* Check if IGD GFX passthrough. */
4513 igd_gfx_passthru();
4514
4515 /* init generic devices */
4516 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4517 qemu_opts_foreach(qemu_find_opts("device"),
4518 device_init_func, NULL, &error_fatal);
4519
4520 cpu_synchronize_all_post_init();
4521
4522 rom_reset_order_override();
4523
4524 /* Did we create any drives that we failed to create a device for? */
4525 drive_check_orphaned();
4526
4527 /* Don't warn about the default network setup that you get if
4528 * no command line -net or -netdev options are specified. There
4529 * are two cases that we would otherwise complain about:
4530 * (1) board doesn't support a NIC but the implicit "-net nic"
4531 * requested one
4532 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4533 * sets up a nic that isn't connected to anything.
4534 */
4535 if (!default_net && (!qtest_enabled() || has_defaults)) {
4536 net_check_clients();
4537 }
4538
4539 if (boot_once) {
4540 qemu_boot_set(boot_once, &error_fatal);
4541 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4542 }
4543
4544 /* init local displays */
4545 ds = init_displaystate();
4546 qemu_display_init(ds, &dpy);
4547
4548 /* must be after terminal init, SDL library changes signal handlers */
4549 os_setup_signal_handling();
4550
4551 /* init remote displays */
4552 #ifdef CONFIG_VNC
4553 qemu_opts_foreach(qemu_find_opts("vnc"),
4554 vnc_init_func, NULL, &error_fatal);
4555 #endif
4556
4557 if (using_spice) {
4558 qemu_spice_display_init();
4559 }
4560
4561 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4562 exit(1);
4563 }
4564
4565 qdev_machine_creation_done();
4566
4567 /* TODO: once all bus devices are qdevified, this should be done
4568 * when bus is created by qdev.c */
4569 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4570 qemu_run_machine_init_done_notifiers();
4571
4572 if (rom_check_and_register_reset() != 0) {
4573 error_report("rom check and register reset failed");
4574 exit(1);
4575 }
4576
4577 replay_start();
4578
4579 /* This checkpoint is required by replay to separate prior clock
4580 reading from the other reads, because timer polling functions query
4581 clock values from the log. */
4582 replay_checkpoint(CHECKPOINT_RESET);
4583 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4584 register_global_state();
4585 if (loadvm) {
4586 Error *local_err = NULL;
4587 if (load_snapshot(loadvm, &local_err) < 0) {
4588 error_report_err(local_err);
4589 autostart = 0;
4590 exit(1);
4591 }
4592 }
4593 if (replay_mode != REPLAY_MODE_NONE) {
4594 replay_vmstate_init();
4595 }
4596
4597 qdev_prop_check_globals();
4598 if (vmstate_dump_file) {
4599 /* dump and exit */
4600 dump_vmstate_json_to_file(vmstate_dump_file);
4601 return 0;
4602 }
4603
4604 if (incoming) {
4605 Error *local_err = NULL;
4606 qemu_start_incoming_migration(incoming, &local_err);
4607 if (local_err) {
4608 error_reportf_err(local_err, "-incoming %s: ", incoming);
4609 exit(1);
4610 }
4611 } else if (autostart) {
4612 vm_start();
4613 }
4614
4615 accel_setup_post(current_machine);
4616 os_setup_post();
4617
4618 main_loop();
4619
4620 gdbserver_cleanup();
4621
4622 /* No more vcpu or device emulation activity beyond this point */
4623 vm_shutdown();
4624
4625 job_cancel_sync_all();
4626 bdrv_close_all();
4627
4628 res_free();
4629
4630 /* vhost-user must be cleaned up before chardevs. */
4631 tpm_cleanup();
4632 net_cleanup();
4633 audio_cleanup();
4634 monitor_cleanup();
4635 qemu_chr_cleanup();
4636 user_creatable_cleanup();
4637 migration_object_finalize();
4638 /* TODO: unref root container, check all devices are ok */
4639
4640 return 0;
4641 }
AR7 emulation for QEMU