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25#include "qemu/osdep.h"
26#include "qemu-common.h"
27#include "qemu/datadir.h"
28#include "qemu/units.h"
29#include "exec/cpu-common.h"
30#include "hw/boards.h"
31#include "hw/qdev-properties.h"
32#include "qapi/compat-policy.h"
33#include "qapi/error.h"
34#include "qapi/qmp/qdict.h"
35#include "qapi/qmp/qjson.h"
36#include "qemu-version.h"
37#include "qemu/cutils.h"
38#include "qemu/help_option.h"
39#include "qemu/uuid.h"
40#include "sysemu/reset.h"
41#include "sysemu/runstate.h"
42#include "sysemu/runstate-action.h"
43#include "sysemu/seccomp.h"
44#include "sysemu/tcg.h"
45#include "sysemu/xen.h"
46
47#include "qemu/error-report.h"
48#include "qemu/sockets.h"
49#include "qemu/accel.h"
50#include "hw/usb.h"
51#include "hw/isa/isa.h"
52#include "hw/scsi/scsi.h"
53#include "hw/display/vga.h"
54#include "sysemu/watchdog.h"
55#include "hw/firmware/smbios.h"
56#include "hw/acpi/acpi.h"
57#include "hw/xen/xen.h"
58#include "hw/loader.h"
59#include "monitor/qdev.h"
60#include "net/net.h"
61#include "net/slirp.h"
62#include "monitor/monitor.h"
63#include "ui/console.h"
64#include "ui/input.h"
65#include "sysemu/sysemu.h"
66#include "sysemu/numa.h"
67#include "sysemu/hostmem.h"
68#include "exec/gdbstub.h"
69#include "qemu/timer.h"
70#include "chardev/char.h"
71#include "qemu/bitmap.h"
72#include "qemu/log.h"
73#include "sysemu/blockdev.h"
74#include "hw/block/block.h"
75#include "hw/i386/x86.h"
76#include "hw/i386/pc.h"
77#include "migration/misc.h"
78#include "migration/snapshot.h"
79#include "sysemu/tpm.h"
80#include "sysemu/dma.h"
81#include "hw/audio/soundhw.h"
82#include "audio/audio.h"
83#include "sysemu/cpus.h"
84#include "sysemu/cpu-timers.h"
85#include "migration/colo.h"
86#include "migration/postcopy-ram.h"
87#include "sysemu/kvm.h"
88#include "sysemu/hax.h"
89#include "qapi/qobject-input-visitor.h"
90#include "qemu/option.h"
91#include "qemu/config-file.h"
92#include "qemu-options.h"
93#include "qemu/main-loop.h"
94#ifdef CONFIG_VIRTFS
95#include "fsdev/qemu-fsdev.h"
96#endif
97#include "sysemu/qtest.h"
98
99#include "disas/disas.h"
100
101#include "trace.h"
102#include "trace/control.h"
103#include "qemu/plugin.h"
104#include "qemu/queue.h"
105#include "sysemu/arch_init.h"
106#include "exec/confidential-guest-support.h"
107
108#include "ui/qemu-spice.h"
109#include "qapi/string-input-visitor.h"
110#include "qapi/opts-visitor.h"
111#include "qapi/clone-visitor.h"
112#include "qom/object_interfaces.h"
113#include "semihosting/semihost.h"
114#include "crypto/init.h"
115#include "sysemu/replay.h"
116#include "qapi/qapi-events-run-state.h"
117#include "qapi/qapi-visit-block-core.h"
118#include "qapi/qapi-visit-compat.h"
119#include "qapi/qapi-visit-ui.h"
120#include "qapi/qapi-commands-block-core.h"
121#include "qapi/qapi-commands-migration.h"
122#include "qapi/qapi-commands-misc.h"
123#include "qapi/qapi-visit-qom.h"
124#include "qapi/qapi-commands-ui.h"
125#include "qapi/qmp/qerror.h"
126#include "sysemu/iothread.h"
127#include "qemu/guest-random.h"
128
129#define MAX_VIRTIO_CONSOLES 1
130
131typedef struct BlockdevOptionsQueueEntry {
132 BlockdevOptions *bdo;
133 Location loc;
134 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
135} BlockdevOptionsQueueEntry;
136
137typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
138
139typedef struct ObjectOption {
140 ObjectOptions *opts;
141 QTAILQ_ENTRY(ObjectOption) next;
142} ObjectOption;
143
144static const char *cpu_option;
145static const char *mem_path;
146static const char *incoming;
147static const char *loadvm;
148static QTAILQ_HEAD(, ObjectOption) object_opts = QTAILQ_HEAD_INITIALIZER(object_opts);
149static ram_addr_t maxram_size;
150static uint64_t ram_slots;
151static int display_remote;
152static int snapshot;
153static bool preconfig_requested;
154static QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
155static BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
156static bool nographic = false;
157static int mem_prealloc;
158static ram_addr_t ram_size;
159static const char *vga_model = NULL;
160static DisplayOptions dpy;
161static int num_serial_hds;
162static Chardev **serial_hds;
163static const char *log_mask;
164static const char *log_file;
165static bool list_data_dirs;
166static const char *watchdog;
167static const char *qtest_chrdev;
168static const char *qtest_log;
169
170static int has_defaults = 1;
171static int default_serial = 1;
172static int default_parallel = 1;
173static int default_monitor = 1;
174static int default_floppy = 1;
175static int default_cdrom = 1;
176static int default_sdcard = 1;
177static int default_vga = 1;
178static int default_net = 1;
179
180static struct {
181 const char *driver;
182 int *flag;
183} default_list[] = {
184 { .driver = "isa-serial", .flag = &default_serial },
185 { .driver = "isa-parallel", .flag = &default_parallel },
186 { .driver = "isa-fdc", .flag = &default_floppy },
187 { .driver = "floppy", .flag = &default_floppy },
188 { .driver = "ide-cd", .flag = &default_cdrom },
189 { .driver = "ide-hd", .flag = &default_cdrom },
190 { .driver = "scsi-cd", .flag = &default_cdrom },
191 { .driver = "scsi-hd", .flag = &default_cdrom },
192 { .driver = "VGA", .flag = &default_vga },
193 { .driver = "isa-vga", .flag = &default_vga },
194 { .driver = "cirrus-vga", .flag = &default_vga },
195 { .driver = "isa-cirrus-vga", .flag = &default_vga },
196 { .driver = "vmware-svga", .flag = &default_vga },
197 { .driver = "qxl-vga", .flag = &default_vga },
198 { .driver = "virtio-vga", .flag = &default_vga },
199 { .driver = "ati-vga", .flag = &default_vga },
200 { .driver = "vhost-user-vga", .flag = &default_vga },
201};
202
203static QemuOptsList qemu_rtc_opts = {
204 .name = "rtc",
205 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
206 .merge_lists = true,
207 .desc = {
208 {
209 .name = "base",
210 .type = QEMU_OPT_STRING,
211 },{
212 .name = "clock",
213 .type = QEMU_OPT_STRING,
214 },{
215 .name = "driftfix",
216 .type = QEMU_OPT_STRING,
217 },
218 { }
219 },
220};
221
222static QemuOptsList qemu_option_rom_opts = {
223 .name = "option-rom",
224 .implied_opt_name = "romfile",
225 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
226 .desc = {
227 {
228 .name = "bootindex",
229 .type = QEMU_OPT_NUMBER,
230 }, {
231 .name = "romfile",
232 .type = QEMU_OPT_STRING,
233 },
234 { }
235 },
236};
237
238static QemuOptsList qemu_machine_opts = {
239 .name = "machine",
240 .implied_opt_name = "type",
241 .merge_lists = true,
242 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
243 .desc = {
244
245
246
247
248
249 { }
250 },
251};
252
253static QemuOptsList qemu_accel_opts = {
254 .name = "accel",
255 .implied_opt_name = "accel",
256 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
257 .desc = {
258
259
260
261
262
263 { }
264 },
265};
266
267static QemuOptsList qemu_boot_opts = {
268 .name = "boot-opts",
269 .implied_opt_name = "order",
270 .merge_lists = true,
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
272 .desc = {
273 {
274 .name = "order",
275 .type = QEMU_OPT_STRING,
276 }, {
277 .name = "once",
278 .type = QEMU_OPT_STRING,
279 }, {
280 .name = "menu",
281 .type = QEMU_OPT_BOOL,
282 }, {
283 .name = "splash",
284 .type = QEMU_OPT_STRING,
285 }, {
286 .name = "splash-time",
287 .type = QEMU_OPT_NUMBER,
288 }, {
289 .name = "reboot-timeout",
290 .type = QEMU_OPT_NUMBER,
291 }, {
292 .name = "strict",
293 .type = QEMU_OPT_BOOL,
294 },
295 { }
296 },
297};
298
299static QemuOptsList qemu_add_fd_opts = {
300 .name = "add-fd",
301 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
302 .desc = {
303 {
304 .name = "fd",
305 .type = QEMU_OPT_NUMBER,
306 .help = "file descriptor of which a duplicate is added to fd set",
307 },{
308 .name = "set",
309 .type = QEMU_OPT_NUMBER,
310 .help = "ID of the fd set to add fd to",
311 },{
312 .name = "opaque",
313 .type = QEMU_OPT_STRING,
314 .help = "free-form string used to describe fd",
315 },
316 { }
317 },
318};
319
320static QemuOptsList qemu_object_opts = {
321 .name = "object",
322 .implied_opt_name = "qom-type",
323 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
324 .desc = {
325 { }
326 },
327};
328
329static QemuOptsList qemu_tpmdev_opts = {
330 .name = "tpmdev",
331 .implied_opt_name = "type",
332 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
333 .desc = {
334
335 { }
336 },
337};
338
339static QemuOptsList qemu_overcommit_opts = {
340 .name = "overcommit",
341 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
342 .desc = {
343 {
344 .name = "mem-lock",
345 .type = QEMU_OPT_BOOL,
346 },
347 {
348 .name = "cpu-pm",
349 .type = QEMU_OPT_BOOL,
350 },
351 { }
352 },
353};
354
355static QemuOptsList qemu_msg_opts = {
356 .name = "msg",
357 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
358 .desc = {
359 {
360 .name = "timestamp",
361 .type = QEMU_OPT_BOOL,
362 },
363 {
364 .name = "guest-name",
365 .type = QEMU_OPT_BOOL,
366 .help = "Prepends guest name for error messages but only if "
367 "-name guest is set otherwise option is ignored\n",
368 },
369 { }
370 },
371};
372
373static QemuOptsList qemu_name_opts = {
374 .name = "name",
375 .implied_opt_name = "guest",
376 .merge_lists = true,
377 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
378 .desc = {
379 {
380 .name = "guest",
381 .type = QEMU_OPT_STRING,
382 .help = "Sets the name of the guest.\n"
383 "This name will be displayed in the SDL window caption.\n"
384 "The name will also be used for the VNC server",
385 }, {
386 .name = "process",
387 .type = QEMU_OPT_STRING,
388 .help = "Sets the name of the QEMU process, as shown in top etc",
389 }, {
390 .name = "debug-threads",
391 .type = QEMU_OPT_BOOL,
392 .help = "When enabled, name the individual threads; defaults off.\n"
393 "NOTE: The thread names are for debugging and not a\n"
394 "stable API.",
395 },
396 { }
397 },
398};
399
400static QemuOptsList qemu_mem_opts = {
401 .name = "memory",
402 .implied_opt_name = "size",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
404 .merge_lists = true,
405 .desc = {
406 {
407 .name = "size",
408 .type = QEMU_OPT_SIZE,
409 },
410 {
411 .name = "slots",
412 .type = QEMU_OPT_NUMBER,
413 },
414 {
415 .name = "maxmem",
416 .type = QEMU_OPT_SIZE,
417 },
418 { }
419 },
420};
421
422static QemuOptsList qemu_icount_opts = {
423 .name = "icount",
424 .implied_opt_name = "shift",
425 .merge_lists = true,
426 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
427 .desc = {
428 {
429 .name = "shift",
430 .type = QEMU_OPT_STRING,
431 }, {
432 .name = "align",
433 .type = QEMU_OPT_BOOL,
434 }, {
435 .name = "sleep",
436 .type = QEMU_OPT_BOOL,
437 }, {
438 .name = "rr",
439 .type = QEMU_OPT_STRING,
440 }, {
441 .name = "rrfile",
442 .type = QEMU_OPT_STRING,
443 }, {
444 .name = "rrsnapshot",
445 .type = QEMU_OPT_STRING,
446 },
447 { }
448 },
449};
450
451static QemuOptsList qemu_fw_cfg_opts = {
452 .name = "fw_cfg",
453 .implied_opt_name = "name",
454 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
455 .desc = {
456 {
457 .name = "name",
458 .type = QEMU_OPT_STRING,
459 .help = "Sets the fw_cfg name of the blob to be inserted",
460 }, {
461 .name = "file",
462 .type = QEMU_OPT_STRING,
463 .help = "Sets the name of the file from which "
464 "the fw_cfg blob will be loaded",
465 }, {
466 .name = "string",
467 .type = QEMU_OPT_STRING,
468 .help = "Sets content of the blob to be inserted from a string",
469 }, {
470 .name = "gen_id",
471 .type = QEMU_OPT_STRING,
472 .help = "Sets id of the object generating the fw_cfg blob "
473 "to be inserted",
474 },
475 { }
476 },
477};
478
479static QemuOptsList qemu_action_opts = {
480 .name = "action",
481 .merge_lists = true,
482 .head = QTAILQ_HEAD_INITIALIZER(qemu_action_opts.head),
483 .desc = {
484 {
485 .name = "shutdown",
486 .type = QEMU_OPT_STRING,
487 },{
488 .name = "reboot",
489 .type = QEMU_OPT_STRING,
490 },{
491 .name = "panic",
492 .type = QEMU_OPT_STRING,
493 },{
494 .name = "watchdog",
495 .type = QEMU_OPT_STRING,
496 },
497 { }
498 },
499};
500
501
502
503
504
505
506static QemuOpts *qemu_get_machine_opts(void)
507{
508 return qemu_find_opts_singleton("machine");
509}
510
511const char *qemu_get_vm_name(void)
512{
513 return qemu_name;
514}
515
516static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
517{
518 const char *driver = qemu_opt_get(opts, "driver");
519 int i;
520
521 if (!driver)
522 return 0;
523 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
524 if (strcmp(default_list[i].driver, driver) != 0)
525 continue;
526 *(default_list[i].flag) = 0;
527 }
528 return 0;
529}
530
531static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
532{
533 const char *proc_name;
534
535 if (qemu_opt_get(opts, "debug-threads")) {
536 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
537 }
538 qemu_name = qemu_opt_get(opts, "guest");
539
540 proc_name = qemu_opt_get(opts, "process");
541 if (proc_name) {
542 os_set_proc_name(proc_name);
543 }
544
545 return 0;
546}
547
548bool defaults_enabled(void)
549{
550 return has_defaults;
551}
552
553#ifndef _WIN32
554static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
555{
556 int fd, dupfd, flags;
557 int64_t fdset_id;
558 const char *fd_opaque = NULL;
559 AddfdInfo *fdinfo;
560
561 fd = qemu_opt_get_number(opts, "fd", -1);
562 fdset_id = qemu_opt_get_number(opts, "set", -1);
563 fd_opaque = qemu_opt_get(opts, "opaque");
564
565 if (fd < 0) {
566 error_setg(errp, "fd option is required and must be non-negative");
567 return -1;
568 }
569
570 if (fd <= STDERR_FILENO) {
571 error_setg(errp, "fd cannot be a standard I/O stream");
572 return -1;
573 }
574
575
576
577
578
579 flags = fcntl(fd, F_GETFD);
580 if (flags == -1 || (flags & FD_CLOEXEC)) {
581 error_setg(errp, "fd is not valid or already in use");
582 return -1;
583 }
584
585 if (fdset_id < 0) {
586 error_setg(errp, "set option is required and must be non-negative");
587 return -1;
588 }
589
590#ifdef F_DUPFD_CLOEXEC
591 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
592#else
593 dupfd = dup(fd);
594 if (dupfd != -1) {
595 qemu_set_cloexec(dupfd);
596 }
597#endif
598 if (dupfd == -1) {
599 error_setg(errp, "error duplicating fd: %s", strerror(errno));
600 return -1;
601 }
602
603
604 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
605 &error_abort);
606 g_free(fdinfo);
607
608 return 0;
609}
610
611static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
612{
613 int fd;
614
615 fd = qemu_opt_get_number(opts, "fd", -1);
616 close(fd);
617
618 return 0;
619}
620#endif
621
622
623
624
625#define HD_OPTS "media=disk"
626#define CDROM_OPTS "media=cdrom"
627#define FD_OPTS ""
628#define PFLASH_OPTS ""
629#define MTD_OPTS ""
630#define SD_OPTS ""
631
632static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
633{
634 BlockInterfaceType *block_default_type = opaque;
635
636 return drive_new(opts, *block_default_type, errp) == NULL;
637}
638
639static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
640{
641 if (qemu_opt_get(opts, "snapshot") == NULL) {
642 qemu_opt_set(opts, "snapshot", "on", &error_abort);
643 }
644 return 0;
645}
646
647static void default_drive(int enable, int snapshot, BlockInterfaceType type,
648 int index, const char *optstr)
649{
650 QemuOpts *opts;
651 DriveInfo *dinfo;
652
653 if (!enable || drive_get_by_index(type, index)) {
654 return;
655 }
656
657 opts = drive_add(type, index, NULL, optstr);
658 if (snapshot) {
659 drive_enable_snapshot(NULL, opts, NULL);
660 }
661
662 dinfo = drive_new(opts, type, &error_abort);
663 dinfo->is_default = true;
664
665}
666
667static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
668 MachineClass *machine_class, int snapshot)
669{
670
671
672
673
674
675 if (machine_class->units_per_default_bus) {
676 override_max_devs(machine_class->block_default_type,
677 machine_class->units_per_default_bus);
678 }
679
680
681 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
682 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
683
684 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
685 loc_push_restore(&bdo->loc);
686 qmp_blockdev_add(bdo->bdo, &error_fatal);
687 loc_pop(&bdo->loc);
688 qapi_free_BlockdevOptions(bdo->bdo);
689 g_free(bdo);
690 }
691 if (snapshot) {
692 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
693 NULL, NULL);
694 }
695 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
696 &machine_class->block_default_type, &error_fatal)) {
697
698 exit(0);
699 }
700
701 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
702 CDROM_OPTS);
703 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
704 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
705
706}
707
708static QemuOptsList qemu_smp_opts = {
709 .name = "smp-opts",
710 .implied_opt_name = "cpus",
711 .merge_lists = true,
712 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
713 .desc = {
714 {
715 .name = "cpus",
716 .type = QEMU_OPT_NUMBER,
717 }, {
718 .name = "sockets",
719 .type = QEMU_OPT_NUMBER,
720 }, {
721 .name = "dies",
722 .type = QEMU_OPT_NUMBER,
723 }, {
724 .name = "cores",
725 .type = QEMU_OPT_NUMBER,
726 }, {
727 .name = "threads",
728 .type = QEMU_OPT_NUMBER,
729 }, {
730 .name = "maxcpus",
731 .type = QEMU_OPT_NUMBER,
732 },
733 { }
734 },
735};
736
737static void realtime_init(void)
738{
739 if (enable_mlock) {
740 if (os_mlock() < 0) {
741 error_report("locking memory failed");
742 exit(1);
743 }
744 }
745}
746
747
748static void configure_msg(QemuOpts *opts)
749{
750 message_with_timestamp = qemu_opt_get_bool(opts, "timestamp", false);
751 error_with_guestname = qemu_opt_get_bool(opts, "guest-name", false);
752}
753
754
755
756
757
758static int usb_device_add(const char *devname)
759{
760 USBDevice *dev = NULL;
761
762 if (!machine_usb(current_machine)) {
763 return -1;
764 }
765
766 dev = usbdevice_create(devname);
767 if (!dev)
768 return -1;
769
770 return 0;
771}
772
773static int usb_parse(const char *cmdline)
774{
775 int r;
776 r = usb_device_add(cmdline);
777 if (r < 0) {
778 error_report("could not add USB device '%s'", cmdline);
779 }
780 return r;
781}
782
783
784
785
786static MachineClass *find_machine(const char *name, GSList *machines)
787{
788 GSList *el;
789
790 for (el = machines; el; el = el->next) {
791 MachineClass *mc = el->data;
792
793 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
794 return mc;
795 }
796 }
797
798 return NULL;
799}
800
801static MachineClass *find_default_machine(GSList *machines)
802{
803 GSList *el;
804 MachineClass *default_machineclass = NULL;
805
806 for (el = machines; el; el = el->next) {
807 MachineClass *mc = el->data;
808
809 if (mc->is_default) {
810 assert(default_machineclass == NULL && "Multiple default machines");
811 default_machineclass = mc;
812 }
813 }
814
815 return default_machineclass;
816}
817
818static int machine_help_func(QemuOpts *opts, MachineState *machine)
819{
820 ObjectProperty *prop;
821 ObjectPropertyIterator iter;
822
823 if (!qemu_opt_has_help_opt(opts)) {
824 return 0;
825 }
826
827 object_property_iter_init(&iter, OBJECT(machine));
828 while ((prop = object_property_iter_next(&iter))) {
829 if (!prop->set) {
830 continue;
831 }
832
833 printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
834 prop->name, prop->type);
835 if (prop->description) {
836 printf(" (%s)\n", prop->description);
837 } else {
838 printf("\n");
839 }
840 }
841
842 return 1;
843}
844
845static void version(void)
846{
847 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
848 QEMU_COPYRIGHT "\n");
849}
850
851static void help(int exitcode)
852{
853 version();
854 printf("usage: %s [options] [disk_image]\n\n"
855 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
856 error_get_progname());
857
858#define QEMU_OPTIONS_GENERATE_HELP
859#include "qemu-options-wrapper.h"
860
861 printf("\nDuring emulation, the following keys are useful:\n"
862 "ctrl-alt-f toggle full screen\n"
863 "ctrl-alt-n switch to virtual console 'n'\n"
864 "ctrl-alt toggle mouse and keyboard grab\n"
865 "\n"
866 "When using -nographic, press 'ctrl-a h' to get some help.\n"
867 "\n"
868 QEMU_HELP_BOTTOM "\n");
869
870 exit(exitcode);
871}
872
873#define HAS_ARG 0x0001
874
875typedef struct QEMUOption {
876 const char *name;
877 int flags;
878 int index;
879 uint32_t arch_mask;
880} QEMUOption;
881
882static const QEMUOption qemu_options[] = {
883 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
884#define QEMU_OPTIONS_GENERATE_OPTIONS
885#include "qemu-options-wrapper.h"
886 { NULL },
887};
888
889typedef struct VGAInterfaceInfo {
890 const char *opt_name;
891 const char *name;
892
893
894 const char *class_names[2];
895} VGAInterfaceInfo;
896
897static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
898 [VGA_NONE] = {
899 .opt_name = "none",
900 .name = "no graphic card",
901 },
902 [VGA_STD] = {
903 .opt_name = "std",
904 .name = "standard VGA",
905 .class_names = { "VGA", "isa-vga" },
906 },
907 [VGA_CIRRUS] = {
908 .opt_name = "cirrus",
909 .name = "Cirrus VGA",
910 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
911 },
912 [VGA_VMWARE] = {
913 .opt_name = "vmware",
914 .name = "VMWare SVGA",
915 .class_names = { "vmware-svga" },
916 },
917 [VGA_VIRTIO] = {
918 .opt_name = "virtio",
919 .name = "Virtio VGA",
920 .class_names = { "virtio-vga" },
921 },
922 [VGA_QXL] = {
923 .opt_name = "qxl",
924 .name = "QXL VGA",
925 .class_names = { "qxl-vga" },
926 },
927 [VGA_TCX] = {
928 .opt_name = "tcx",
929 .name = "TCX framebuffer",
930 .class_names = { "sun-tcx" },
931 },
932 [VGA_CG3] = {
933 .opt_name = "cg3",
934 .name = "CG3 framebuffer",
935 .class_names = { "cgthree" },
936 },
937 [VGA_XENFB] = {
938 .opt_name = "xenfb",
939 .name = "Xen paravirtualized framebuffer",
940 },
941};
942
943static bool vga_interface_available(VGAInterfaceType t)
944{
945 const VGAInterfaceInfo *ti = &vga_interfaces[t];
946
947 assert(t < VGA_TYPE_MAX);
948 return !ti->class_names[0] ||
949 module_object_class_by_name(ti->class_names[0]) ||
950 module_object_class_by_name(ti->class_names[1]);
951}
952
953static const char *
954get_default_vga_model(const MachineClass *machine_class)
955{
956 if (machine_class->default_display) {
957 return machine_class->default_display;
958 } else if (vga_interface_available(VGA_CIRRUS)) {
959 return "cirrus";
960 } else if (vga_interface_available(VGA_STD)) {
961 return "std";
962 }
963
964 return NULL;
965}
966
967static void select_vgahw(const MachineClass *machine_class, const char *p)
968{
969 const char *opts;
970 int t;
971
972 if (g_str_equal(p, "help")) {
973 const char *def = get_default_vga_model(machine_class);
974
975 for (t = 0; t < VGA_TYPE_MAX; t++) {
976 const VGAInterfaceInfo *ti = &vga_interfaces[t];
977
978 if (vga_interface_available(t) && ti->opt_name) {
979 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
980 g_str_equal(ti->opt_name, def) ? " (default)" : "");
981 }
982 }
983 exit(0);
984 }
985
986 assert(vga_interface_type == VGA_NONE);
987 for (t = 0; t < VGA_TYPE_MAX; t++) {
988 const VGAInterfaceInfo *ti = &vga_interfaces[t];
989 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
990 if (!vga_interface_available(t)) {
991 error_report("%s not available", ti->name);
992 exit(1);
993 }
994 vga_interface_type = t;
995 break;
996 }
997 }
998 if (t == VGA_TYPE_MAX) {
999 invalid_vga:
1000 error_report("unknown vga type: %s", p);
1001 exit(1);
1002 }
1003 while (*opts) {
1004 const char *nextopt;
1005
1006 if (strstart(opts, ",retrace=", &nextopt)) {
1007 opts = nextopt;
1008 if (strstart(opts, "dumb", &nextopt))
1009 vga_retrace_method = VGA_RETRACE_DUMB;
1010 else if (strstart(opts, "precise", &nextopt))
1011 vga_retrace_method = VGA_RETRACE_PRECISE;
1012 else goto invalid_vga;
1013 } else goto invalid_vga;
1014 opts = nextopt;
1015 }
1016}
1017
1018static void parse_display_qapi(const char *optarg)
1019{
1020 DisplayOptions *opts;
1021 Visitor *v;
1022
1023 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
1024
1025 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
1026 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
1027
1028 qapi_free_DisplayOptions(opts);
1029 visit_free(v);
1030}
1031
1032DisplayOptions *qmp_query_display_options(Error **errp)
1033{
1034 return QAPI_CLONE(DisplayOptions, &dpy);
1035}
1036
1037static void parse_display(const char *p)
1038{
1039 const char *opts;
1040
1041 if (is_help_option(p)) {
1042 qemu_display_help();
1043 exit(0);
1044 }
1045
1046 if (strstart(p, "sdl", &opts)) {
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057 dpy.type = DISPLAY_TYPE_SDL;
1058 while (*opts) {
1059 const char *nextopt;
1060
1061 if (strstart(opts, ",alt_grab=", &nextopt)) {
1062 opts = nextopt;
1063 if (strstart(opts, "on", &nextopt)) {
1064 alt_grab = 1;
1065 } else if (strstart(opts, "off", &nextopt)) {
1066 alt_grab = 0;
1067 } else {
1068 goto invalid_sdl_args;
1069 }
1070 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1071 opts = nextopt;
1072 if (strstart(opts, "on", &nextopt)) {
1073 ctrl_grab = 1;
1074 } else if (strstart(opts, "off", &nextopt)) {
1075 ctrl_grab = 0;
1076 } else {
1077 goto invalid_sdl_args;
1078 }
1079 } else if (strstart(opts, ",window_close=", &nextopt)) {
1080 opts = nextopt;
1081 dpy.has_window_close = true;
1082 if (strstart(opts, "on", &nextopt)) {
1083 dpy.window_close = true;
1084 } else if (strstart(opts, "off", &nextopt)) {
1085 dpy.window_close = false;
1086 } else {
1087 goto invalid_sdl_args;
1088 }
1089 } else if (strstart(opts, ",show-cursor=", &nextopt)) {
1090 opts = nextopt;
1091 dpy.has_show_cursor = true;
1092 if (strstart(opts, "on", &nextopt)) {
1093 dpy.show_cursor = true;
1094 } else if (strstart(opts, "off", &nextopt)) {
1095 dpy.show_cursor = false;
1096 } else {
1097 goto invalid_sdl_args;
1098 }
1099 } else if (strstart(opts, ",gl=", &nextopt)) {
1100 opts = nextopt;
1101 dpy.has_gl = true;
1102 if (strstart(opts, "on", &nextopt)) {
1103 dpy.gl = DISPLAYGL_MODE_ON;
1104 } else if (strstart(opts, "core", &nextopt)) {
1105 dpy.gl = DISPLAYGL_MODE_CORE;
1106 } else if (strstart(opts, "es", &nextopt)) {
1107 dpy.gl = DISPLAYGL_MODE_ES;
1108 } else if (strstart(opts, "off", &nextopt)) {
1109 dpy.gl = DISPLAYGL_MODE_OFF;
1110 } else {
1111 goto invalid_sdl_args;
1112 }
1113 } else {
1114 invalid_sdl_args:
1115 error_report("invalid SDL option string");
1116 exit(1);
1117 }
1118 opts = nextopt;
1119 }
1120 } else if (strstart(p, "vnc", &opts)) {
1121
1122
1123
1124
1125 if (*opts == '=') {
1126 vnc_parse(opts + 1);
1127 } else {
1128 error_report("VNC requires a display argument vnc=<display>");
1129 exit(1);
1130 }
1131 } else {
1132 parse_display_qapi(p);
1133 }
1134}
1135
1136static inline bool nonempty_str(const char *str)
1137{
1138 return str && *str;
1139}
1140
1141static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
1142{
1143 gchar *buf;
1144 size_t size;
1145 const char *name, *file, *str, *gen_id;
1146 FWCfgState *fw_cfg = (FWCfgState *) opaque;
1147
1148 if (fw_cfg == NULL) {
1149 error_setg(errp, "fw_cfg device not available");
1150 return -1;
1151 }
1152 name = qemu_opt_get(opts, "name");
1153 file = qemu_opt_get(opts, "file");
1154 str = qemu_opt_get(opts, "string");
1155 gen_id = qemu_opt_get(opts, "gen_id");
1156
1157
1158 if (!nonempty_str(name) ||
1159 nonempty_str(file) + nonempty_str(str) + nonempty_str(gen_id) != 1) {
1160 error_setg(errp, "name, plus exactly one of file,"
1161 " string and gen_id, are needed");
1162 return -1;
1163 }
1164 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
1165 error_setg(errp, "name too long (max. %d char)",
1166 FW_CFG_MAX_FILE_PATH - 1);
1167 return -1;
1168 }
1169 if (nonempty_str(gen_id)) {
1170
1171
1172
1173
1174
1175 } else if (strncmp(name, "opt/", 4) != 0) {
1176 warn_report("externally provided fw_cfg item names "
1177 "should be prefixed with \"opt/\"");
1178 }
1179 if (nonempty_str(str)) {
1180 size = strlen(str);
1181 buf = g_memdup(str, size);
1182 } else if (nonempty_str(gen_id)) {
1183 if (!fw_cfg_add_from_generator(fw_cfg, name, gen_id, errp)) {
1184 return -1;
1185 }
1186 return 0;
1187 } else {
1188 GError *err = NULL;
1189 if (!g_file_get_contents(file, &buf, &size, &err)) {
1190 error_setg(errp, "can't load %s: %s", file, err->message);
1191 g_error_free(err);
1192 return -1;
1193 }
1194 }
1195
1196 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
1197 fw_cfg_add_file(fw_cfg, name, buf, size);
1198 fw_cfg_reset_order_override(fw_cfg);
1199 return 0;
1200}
1201
1202static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
1203{
1204 return qdev_device_help(opts);
1205}
1206
1207static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
1208{
1209 DeviceState *dev;
1210
1211 dev = qdev_device_add(opts, errp);
1212 if (!dev && *errp) {
1213 error_report_err(*errp);
1214 return -1;
1215 } else if (dev) {
1216 object_unref(OBJECT(dev));
1217 }
1218 return 0;
1219}
1220
1221static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
1222{
1223 Error *local_err = NULL;
1224
1225 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
1226 if (local_err) {
1227 error_propagate(errp, local_err);
1228 return -1;
1229 }
1230 exit(0);
1231 }
1232 return 0;
1233}
1234
1235#ifdef CONFIG_VIRTFS
1236static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
1237{
1238 return qemu_fsdev_add(opts, errp);
1239}
1240#endif
1241
1242static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
1243{
1244 return monitor_init_opts(opts, errp);
1245}
1246
1247static void monitor_parse(const char *optarg, const char *mode, bool pretty)
1248{
1249 static int monitor_device_index = 0;
1250 QemuOpts *opts;
1251 const char *p;
1252 char label[32];
1253
1254 if (strstart(optarg, "chardev:", &p)) {
1255 snprintf(label, sizeof(label), "%s", p);
1256 } else {
1257 snprintf(label, sizeof(label), "compat_monitor%d",
1258 monitor_device_index);
1259 opts = qemu_chr_parse_compat(label, optarg, true);
1260 if (!opts) {
1261 error_report("parse error: %s", optarg);
1262 exit(1);
1263 }
1264 }
1265
1266 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
1267 qemu_opt_set(opts, "mode", mode, &error_abort);
1268 qemu_opt_set(opts, "chardev", label, &error_abort);
1269 if (!strcmp(mode, "control")) {
1270 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
1271 } else {
1272 assert(pretty == false);
1273 }
1274 monitor_device_index++;
1275}
1276
1277struct device_config {
1278 enum {
1279 DEV_USB,
1280 DEV_SERIAL,
1281 DEV_PARALLEL,
1282 DEV_DEBUGCON,
1283 DEV_GDB,
1284 DEV_SCLP,
1285 } type;
1286 const char *cmdline;
1287 Location loc;
1288 QTAILQ_ENTRY(device_config) next;
1289};
1290
1291static QTAILQ_HEAD(, device_config) device_configs =
1292 QTAILQ_HEAD_INITIALIZER(device_configs);
1293
1294static void add_device_config(int type, const char *cmdline)
1295{
1296 struct device_config *conf;
1297
1298 conf = g_malloc0(sizeof(*conf));
1299 conf->type = type;
1300 conf->cmdline = cmdline;
1301 loc_save(&conf->loc);
1302 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1303}
1304
1305static int foreach_device_config(int type, int (*func)(const char *cmdline))
1306{
1307 struct device_config *conf;
1308 int rc;
1309
1310 QTAILQ_FOREACH(conf, &device_configs, next) {
1311 if (conf->type != type)
1312 continue;
1313 loc_push_restore(&conf->loc);
1314 rc = func(conf->cmdline);
1315 loc_pop(&conf->loc);
1316 if (rc) {
1317 return rc;
1318 }
1319 }
1320 return 0;
1321}
1322
1323static void qemu_disable_default_devices(void)
1324{
1325 MachineClass *machine_class = MACHINE_GET_CLASS(current_machine);
1326
1327 qemu_opts_foreach(qemu_find_opts("device"),
1328 default_driver_check, NULL, NULL);
1329 qemu_opts_foreach(qemu_find_opts("global"),
1330 default_driver_check, NULL, NULL);
1331
1332 if (!vga_model && !default_vga) {
1333 vga_interface_type = VGA_DEVICE;
1334 }
1335 if (!has_defaults || machine_class->no_serial) {
1336 default_serial = 0;
1337 }
1338 if (!has_defaults || machine_class->no_parallel) {
1339 default_parallel = 0;
1340 }
1341 if (!has_defaults || machine_class->no_floppy) {
1342 default_floppy = 0;
1343 }
1344 if (!has_defaults || machine_class->no_cdrom) {
1345 default_cdrom = 0;
1346 }
1347 if (!has_defaults || machine_class->no_sdcard) {
1348 default_sdcard = 0;
1349 }
1350 if (!has_defaults) {
1351 default_monitor = 0;
1352 default_net = 0;
1353 default_vga = 0;
1354 }
1355}
1356
1357static void qemu_create_default_devices(void)
1358{
1359 MachineClass *machine_class = MACHINE_GET_CLASS(current_machine);
1360
1361 if (is_daemonized()) {
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371 if (nographic
1372 && (default_parallel || default_serial || default_monitor)) {
1373 error_report("-nographic cannot be used with -daemonize");
1374 exit(1);
1375 }
1376 }
1377
1378 if (nographic) {
1379 if (default_parallel)
1380 add_device_config(DEV_PARALLEL, "null");
1381 if (default_serial && default_monitor) {
1382 add_device_config(DEV_SERIAL, "mon:stdio");
1383 } else {
1384 if (default_serial)
1385 add_device_config(DEV_SERIAL, "stdio");
1386 if (default_monitor)
1387 monitor_parse("stdio", "readline", false);
1388 }
1389 } else {
1390 if (default_serial)
1391 add_device_config(DEV_SERIAL, "vc:80Cx24C");
1392 if (default_parallel)
1393 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
1394 if (default_monitor)
1395 monitor_parse("vc:80Cx24C", "readline", false);
1396 }
1397
1398 if (default_net) {
1399 QemuOptsList *net = qemu_find_opts("net");
1400 qemu_opts_parse(net, "nic", true, &error_abort);
1401#ifdef CONFIG_SLIRP
1402 qemu_opts_parse(net, "user", true, &error_abort);
1403#endif
1404 }
1405
1406#if defined(CONFIG_VNC)
1407 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
1408 display_remote++;
1409 }
1410#endif
1411 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
1412 if (!qemu_display_find_default(&dpy)) {
1413 dpy.type = DISPLAY_TYPE_NONE;
1414#if defined(CONFIG_VNC)
1415 vnc_parse("localhost:0,to=99,id=default");
1416#endif
1417 }
1418 }
1419 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
1420 dpy.type = DISPLAY_TYPE_NONE;
1421 }
1422
1423
1424 if (default_vga) {
1425 vga_model = get_default_vga_model(machine_class);
1426 }
1427 if (vga_model) {
1428 select_vgahw(machine_class, vga_model);
1429 }
1430}
1431
1432static int serial_parse(const char *devname)
1433{
1434 int index = num_serial_hds;
1435 char label[32];
1436
1437 if (strcmp(devname, "none") == 0)
1438 return 0;
1439 snprintf(label, sizeof(label), "serial%d", index);
1440 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
1441
1442 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
1443 if (!serial_hds[index]) {
1444 error_report("could not connect serial device"
1445 " to character backend '%s'", devname);
1446 return -1;
1447 }
1448 num_serial_hds++;
1449 return 0;
1450}
1451
1452Chardev *serial_hd(int i)
1453{
1454 assert(i >= 0);
1455 if (i < num_serial_hds) {
1456 return serial_hds[i];
1457 }
1458 return NULL;
1459}
1460
1461static int parallel_parse(const char *devname)
1462{
1463 static int index = 0;
1464 char label[32];
1465
1466 if (strcmp(devname, "none") == 0)
1467 return 0;
1468 if (index == MAX_PARALLEL_PORTS) {
1469 error_report("too many parallel ports");
1470 exit(1);
1471 }
1472 snprintf(label, sizeof(label), "parallel%d", index);
1473 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
1474 if (!parallel_hds[index]) {
1475 error_report("could not connect parallel device"
1476 " to character backend '%s'", devname);
1477 return -1;
1478 }
1479 index++;
1480 return 0;
1481}
1482
1483static int debugcon_parse(const char *devname)
1484{
1485 QemuOpts *opts;
1486
1487 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
1488 error_report("invalid character backend '%s'", devname);
1489 exit(1);
1490 }
1491 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
1492 if (!opts) {
1493 error_report("already have a debugcon device");
1494 exit(1);
1495 }
1496 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
1497 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
1498 return 0;
1499}
1500
1501static gint machine_class_cmp(gconstpointer a, gconstpointer b)
1502{
1503 const MachineClass *mc1 = a, *mc2 = b;
1504 int res;
1505
1506 if (mc1->family == NULL) {
1507 if (mc2->family == NULL) {
1508
1509
1510
1511 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
1512 object_class_get_name(OBJECT_CLASS(mc2)));
1513 }
1514
1515
1516 return 1;
1517 }
1518
1519 if (mc2->family == NULL) {
1520
1521 return -1;
1522 }
1523
1524
1525 res = strcmp(mc1->family, mc2->family);
1526 if (res != 0) {
1527 return res;
1528 }
1529
1530
1531 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
1532 object_class_get_name(OBJECT_CLASS(mc1)));
1533}
1534
1535static MachineClass *machine_parse(const char *name, GSList *machines)
1536{
1537 MachineClass *mc;
1538 GSList *el;
1539
1540 if (is_help_option(name)) {
1541 printf("Supported machines are:\n");
1542 machines = g_slist_sort(machines, machine_class_cmp);
1543 for (el = machines; el; el = el->next) {
1544 MachineClass *mc = el->data;
1545 if (mc->alias) {
1546 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
1547 }
1548 printf("%-20s %s%s%s\n", mc->name, mc->desc,
1549 mc->is_default ? " (default)" : "",
1550 mc->deprecation_reason ? " (deprecated)" : "");
1551 }
1552 exit(0);
1553 }
1554
1555 mc = find_machine(name, machines);
1556 if (!mc) {
1557 error_report("unsupported machine type");
1558 error_printf("Use -machine help to list supported machines\n");
1559 exit(1);
1560 }
1561 return mc;
1562}
1563
1564static const char *pid_file;
1565static Notifier qemu_unlink_pidfile_notifier;
1566
1567static void qemu_unlink_pidfile(Notifier *n, void *data)
1568{
1569 if (pid_file) {
1570 unlink(pid_file);
1571 }
1572}
1573
1574static const QEMUOption *lookup_opt(int argc, char **argv,
1575 const char **poptarg, int *poptind)
1576{
1577 const QEMUOption *popt;
1578 int optind = *poptind;
1579 char *r = argv[optind];
1580 const char *optarg;
1581
1582 loc_set_cmdline(argv, optind, 1);
1583 optind++;
1584
1585 if (r[1] == '-')
1586 r++;
1587 popt = qemu_options;
1588 for(;;) {
1589 if (!popt->name) {
1590 error_report("invalid option");
1591 exit(1);
1592 }
1593 if (!strcmp(popt->name, r + 1))
1594 break;
1595 popt++;
1596 }
1597 if (popt->flags & HAS_ARG) {
1598 if (optind >= argc) {
1599 error_report("requires an argument");
1600 exit(1);
1601 }
1602 optarg = argv[optind++];
1603 loc_set_cmdline(argv, optind - 2, 2);
1604 } else {
1605 optarg = NULL;
1606 }
1607
1608 *poptarg = optarg;
1609 *poptind = optind;
1610
1611 return popt;
1612}
1613
1614static MachineClass *select_machine(void)
1615{
1616 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
1617 MachineClass *machine_class = find_default_machine(machines);
1618 const char *optarg;
1619 QemuOpts *opts;
1620 Location loc;
1621
1622 loc_push_none(&loc);
1623
1624 opts = qemu_get_machine_opts();
1625 qemu_opts_loc_restore(opts);
1626
1627 optarg = qemu_opt_get(opts, "type");
1628 if (optarg) {
1629 machine_class = machine_parse(optarg, machines);
1630 }
1631
1632 if (!machine_class) {
1633 error_report("No machine specified, and there is no default");
1634 error_printf("Use -machine help to list supported machines\n");
1635 exit(1);
1636 }
1637
1638 loc_pop(&loc);
1639 g_slist_free(machines);
1640 return machine_class;
1641}
1642
1643static int object_parse_property_opt(Object *obj,
1644 const char *name, const char *value,
1645 const char *skip, Error **errp)
1646{
1647 if (g_str_equal(name, skip)) {
1648 return 0;
1649 }
1650
1651 if (!object_property_parse(obj, name, value, errp)) {
1652 return -1;
1653 }
1654
1655 return 0;
1656}
1657
1658static int machine_set_property(void *opaque,
1659 const char *name, const char *value,
1660 Error **errp)
1661{
1662 g_autofree char *qom_name = g_strdup(name);
1663 char *p;
1664
1665 for (p = qom_name; *p; p++) {
1666 if (*p == '_') {
1667 *p = '-';
1668 }
1669 }
1670
1671
1672 if (g_str_equal(qom_name, "accel")) {
1673 return 0;
1674 }
1675 if (g_str_equal(qom_name, "igd-passthru")) {
1676 object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), qom_name, value,
1677 false);
1678 return 0;
1679 }
1680 if (g_str_equal(qom_name, "kvm-shadow-mem")) {
1681 object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name, value,
1682 false);
1683 return 0;
1684 }
1685 if (g_str_equal(qom_name, "kernel-irqchip")) {
1686 object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name, value,
1687 false);
1688 object_register_sugar_prop(ACCEL_CLASS_NAME("whpx"), qom_name, value,
1689 false);
1690 return 0;
1691 }
1692
1693 return object_parse_property_opt(opaque, name, value, "type", errp);
1694}
1695
1696static void object_option_foreach_add(bool (*type_opt_predicate)(const char *))
1697{
1698 ObjectOption *opt, *next;
1699
1700 QTAILQ_FOREACH_SAFE(opt, &object_opts, next, next) {
1701 const char *type = ObjectType_str(opt->opts->qom_type);
1702 if (type_opt_predicate(type)) {
1703 user_creatable_add_qapi(opt->opts, &error_fatal);
1704 qapi_free_ObjectOptions(opt->opts);
1705 QTAILQ_REMOVE(&object_opts, opt, next);
1706 g_free(opt);
1707 }
1708 }
1709}
1710
1711static void object_option_parse(const char *optarg)
1712{
1713 ObjectOption *opt;
1714 QemuOpts *opts;
1715 const char *type;
1716 Visitor *v;
1717
1718 if (optarg[0] == '{') {
1719 QObject *obj = qobject_from_json(optarg, &error_fatal);
1720
1721 v = qobject_input_visitor_new(obj);
1722 qobject_unref(obj);
1723 } else {
1724 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
1725 optarg, true);
1726 if (!opts) {
1727 exit(1);
1728 }
1729
1730 type = qemu_opt_get(opts, "qom-type");
1731 if (!type) {
1732 error_setg(&error_fatal, QERR_MISSING_PARAMETER, "qom-type");
1733 }
1734 if (user_creatable_print_help(type, opts)) {
1735 exit(0);
1736 }
1737
1738 v = opts_visitor_new(opts);
1739 }
1740
1741 opt = g_new0(ObjectOption, 1);
1742 visit_type_ObjectOptions(v, NULL, &opt->opts, &error_fatal);
1743 visit_free(v);
1744
1745 QTAILQ_INSERT_TAIL(&object_opts, opt, next);
1746}
1747
1748
1749
1750
1751
1752
1753
1754
1755static bool object_create_early(const char *type)
1756{
1757
1758
1759
1760
1761
1762
1763 if (g_str_equal(type, "rng-egd")) {
1764 return false;
1765 }
1766
1767#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
1768
1769 if (g_str_equal(type, "cryptodev-vhost-user")) {
1770 return false;
1771 }
1772#endif
1773
1774
1775 if (g_str_equal(type, "vhost-user-blk-server")) {
1776 return false;
1777 }
1778
1779
1780
1781 if (g_str_equal(type, "filter-buffer") ||
1782 g_str_equal(type, "filter-dump") ||
1783 g_str_equal(type, "filter-mirror") ||
1784 g_str_equal(type, "filter-redirector") ||
1785 g_str_equal(type, "colo-compare") ||
1786 g_str_equal(type, "filter-rewriter") ||
1787 g_str_equal(type, "filter-replay")) {
1788 return false;
1789 }
1790
1791
1792
1793
1794
1795
1796
1797 if (g_str_has_prefix(type, "memory-backend-")) {
1798 return false;
1799 }
1800
1801 return true;
1802}
1803
1804static void qemu_apply_machine_options(void)
1805{
1806 MachineClass *machine_class = MACHINE_GET_CLASS(current_machine);
1807 QemuOpts *machine_opts = qemu_get_machine_opts();
1808 const char *boot_order = NULL;
1809 const char *boot_once = NULL;
1810 QemuOpts *opts;
1811
1812 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
1813 &error_fatal);
1814 current_machine->ram_size = ram_size;
1815 current_machine->maxram_size = maxram_size;
1816 current_machine->ram_slots = ram_slots;
1817
1818 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
1819 if (opts) {
1820 boot_order = qemu_opt_get(opts, "order");
1821 if (boot_order) {
1822 validate_bootdevices(boot_order, &error_fatal);
1823 }
1824
1825 boot_once = qemu_opt_get(opts, "once");
1826 if (boot_once) {
1827 validate_bootdevices(boot_once, &error_fatal);
1828 }
1829
1830 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
1831 boot_strict = qemu_opt_get_bool(opts, "strict", false);
1832 }
1833
1834 if (!boot_order) {
1835 boot_order = machine_class->default_boot_order;
1836 }
1837
1838 current_machine->boot_order = boot_order;
1839 current_machine->boot_once = boot_once;
1840
1841 if (semihosting_enabled() && !semihosting_get_argc()) {
1842 const char *kernel_filename = qemu_opt_get(machine_opts, "kernel");
1843 const char *kernel_cmdline = qemu_opt_get(machine_opts, "append") ?: "";
1844
1845 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
1846 }
1847}
1848
1849static void qemu_create_early_backends(void)
1850{
1851 MachineClass *machine_class = MACHINE_GET_CLASS(current_machine);
1852
1853 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
1854 error_report("-alt-grab and -ctrl-grab are only valid "
1855 "for SDL, ignoring option");
1856 }
1857 if (dpy.has_window_close &&
1858 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
1859 error_report("-no-quit is only valid for GTK and SDL, "
1860 "ignoring option");
1861 }
1862
1863 qemu_display_early_init(&dpy);
1864 qemu_console_early_init();
1865
1866 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
1867#if defined(CONFIG_OPENGL)
1868 error_report("OpenGL is not supported by the display");
1869#else
1870 error_report("OpenGL support is disabled");
1871#endif
1872 exit(1);
1873 }
1874
1875 object_option_foreach_add(object_create_early);
1876
1877
1878
1879
1880 qemu_spice.init();
1881
1882 qemu_opts_foreach(qemu_find_opts("chardev"),
1883 chardev_init_func, NULL, &error_fatal);
1884
1885#ifdef CONFIG_VIRTFS
1886 qemu_opts_foreach(qemu_find_opts("fsdev"),
1887 fsdev_init_func, NULL, &error_fatal);
1888#endif
1889
1890
1891
1892
1893
1894
1895 configure_blockdev(&bdo_queue, machine_class, snapshot);
1896 audio_init_audiodevs();
1897}
1898
1899
1900
1901
1902
1903
1904static bool object_create_late(const char *type)
1905{
1906 return !object_create_early(type);
1907}
1908
1909static void qemu_create_late_backends(void)
1910{
1911 if (qtest_chrdev) {
1912 qtest_server_init(qtest_chrdev, qtest_log, &error_fatal);
1913 }
1914
1915 net_init_clients(&error_fatal);
1916
1917 object_option_foreach_add(object_create_late);
1918
1919 if (tpm_init() < 0) {
1920 exit(1);
1921 }
1922
1923 qemu_opts_foreach(qemu_find_opts("mon"),
1924 mon_init_func, NULL, &error_fatal);
1925
1926 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
1927 exit(1);
1928 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
1929 exit(1);
1930 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
1931 exit(1);
1932
1933
1934 qemu_semihosting_connect_chardevs();
1935 qemu_semihosting_console_init();
1936}
1937
1938static bool have_custom_ram_size(void)
1939{
1940 QemuOpts *opts = qemu_find_opts_singleton("memory");
1941 return !!qemu_opt_get_size(opts, "size", 0);
1942}
1943
1944static void qemu_resolve_machine_memdev(void)
1945{
1946 if (current_machine->ram_memdev_id) {
1947 Object *backend;
1948 ram_addr_t backend_size;
1949
1950 backend = object_resolve_path_type(current_machine->ram_memdev_id,
1951 TYPE_MEMORY_BACKEND, NULL);
1952 if (!backend) {
1953 error_report("Memory backend '%s' not found",
1954 current_machine->ram_memdev_id);
1955 exit(EXIT_FAILURE);
1956 }
1957 backend_size = object_property_get_uint(backend, "size", &error_abort);
1958 if (have_custom_ram_size() && backend_size != ram_size) {
1959 error_report("Size specified by -m option must match size of "
1960 "explicitly specified 'memory-backend' property");
1961 exit(EXIT_FAILURE);
1962 }
1963 if (mem_path) {
1964 error_report("'-mem-path' can't be used together with"
1965 "'-machine memory-backend'");
1966 exit(EXIT_FAILURE);
1967 }
1968 ram_size = backend_size;
1969 }
1970
1971 if (!xen_enabled()) {
1972
1973 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
1974 error_report("at most 2047 MB RAM can be simulated");
1975 exit(1);
1976 }
1977 }
1978}
1979
1980static void set_memory_options(MachineClass *mc)
1981{
1982 uint64_t sz;
1983 const char *mem_str;
1984 const ram_addr_t default_ram_size = mc->default_ram_size;
1985 QemuOpts *opts = qemu_find_opts_singleton("memory");
1986 Location loc;
1987
1988 loc_push_none(&loc);
1989 qemu_opts_loc_restore(opts);
1990
1991 sz = 0;
1992 mem_str = qemu_opt_get(opts, "size");
1993 if (mem_str) {
1994 if (!*mem_str) {
1995 error_report("missing 'size' option value");
1996 exit(EXIT_FAILURE);
1997 }
1998
1999 sz = qemu_opt_get_size(opts, "size", ram_size);
2000
2001
2002 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2003 uint64_t overflow_check = sz;
2004
2005 sz *= MiB;
2006 if (sz / MiB != overflow_check) {
2007 error_report("too large 'size' option value");
2008 exit(EXIT_FAILURE);
2009 }
2010 }
2011 }
2012
2013
2014 if (sz == 0) {
2015 sz = default_ram_size;
2016 }
2017
2018 sz = QEMU_ALIGN_UP(sz, 8192);
2019 if (mc->fixup_ram_size) {
2020 sz = mc->fixup_ram_size(sz);
2021 }
2022 ram_size = sz;
2023 if (ram_size != sz) {
2024 error_report("ram size too large");
2025 exit(EXIT_FAILURE);
2026 }
2027
2028
2029 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2030 maxram_size = ram_size;
2031
2032 if (qemu_opt_get(opts, "maxmem")) {
2033 uint64_t slots;
2034
2035 sz = qemu_opt_get_size(opts, "maxmem", 0);
2036 slots = qemu_opt_get_number(opts, "slots", 0);
2037 if (sz < ram_size) {
2038 error_report("invalid value of -m option maxmem: "
2039 "maximum memory size (0x%" PRIx64 ") must be at least "
2040 "the initial memory size (0x" RAM_ADDR_FMT ")",
2041 sz, ram_size);
2042 exit(EXIT_FAILURE);
2043 } else if (slots && sz == ram_size) {
2044 error_report("invalid value of -m option maxmem: "
2045 "memory slots were specified but maximum memory size "
2046 "(0x%" PRIx64 ") is equal to the initial memory size "
2047 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2048 exit(EXIT_FAILURE);
2049 }
2050
2051 maxram_size = sz;
2052 ram_slots = slots;
2053 } else if (qemu_opt_get(opts, "slots")) {
2054 error_report("invalid -m option value: missing 'maxmem' option");
2055 exit(EXIT_FAILURE);
2056 }
2057
2058 loc_pop(&loc);
2059}
2060
2061static void qemu_create_machine(MachineClass *machine_class)
2062{
2063 object_set_machine_compat_props(machine_class->compat_props);
2064
2065 set_memory_options(machine_class);
2066
2067 current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class)));
2068 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
2069 exit(0);
2070 }
2071 object_property_add_child(object_get_root(), "machine",
2072 OBJECT(current_machine));
2073 object_property_add_child(container_get(OBJECT(current_machine),
2074 "/unattached"),
2075 "sysbus", OBJECT(sysbus_get_default()));
2076
2077 if (machine_class->minimum_page_bits) {
2078 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
2079
2080
2081
2082 g_assert_not_reached();
2083 }
2084 }
2085
2086 cpu_exec_init_all();
2087 page_size_init();
2088
2089 if (machine_class->hw_version) {
2090 qemu_set_hw_version(machine_class->hw_version);
2091 }
2092
2093 machine_smp_parse(current_machine,
2094 qemu_opts_find(qemu_find_opts("smp-opts"), NULL), &error_fatal);
2095
2096
2097
2098
2099
2100 if (machine_class->default_machine_opts) {
2101 qemu_opts_set_defaults(qemu_find_opts("machine"),
2102 machine_class->default_machine_opts, 0);
2103 }
2104}
2105
2106static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2107{
2108 GlobalProperty *g;
2109
2110 g = g_malloc0(sizeof(*g));
2111 g->driver = qemu_opt_get(opts, "driver");
2112 g->property = qemu_opt_get(opts, "property");
2113 g->value = qemu_opt_get(opts, "value");
2114 qdev_prop_register_global(g);
2115 return 0;
2116}
2117
2118static void qemu_read_default_config_file(Error **errp)
2119{
2120 ERRP_GUARD();
2121 int ret;
2122 g_autofree char *file = get_relocated_path(CONFIG_QEMU_CONFDIR "/qemu.conf");
2123
2124 ret = qemu_read_config_file(file, errp);
2125 if (ret < 0) {
2126 if (ret == -ENOENT) {
2127 error_free(*errp);
2128 *errp = NULL;
2129 }
2130 }
2131}
2132
2133static int qemu_set_option(const char *str)
2134{
2135 Error *local_err = NULL;
2136 char group[64], id[64], arg[64];
2137 QemuOptsList *list;
2138 QemuOpts *opts;
2139 int rc, offset;
2140
2141 rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
2142 if (rc < 3 || str[offset] != '=') {
2143 error_report("can't parse: \"%s\"", str);
2144 return -1;
2145 }
2146
2147 list = qemu_find_opts(group);
2148 if (list == NULL) {
2149 return -1;
2150 }
2151
2152 opts = qemu_opts_find(list, id);
2153 if (!opts) {
2154 error_report("there is no %s \"%s\" defined",
2155 list->name, id);
2156 return -1;
2157 }
2158
2159 if (!qemu_opt_set(opts, arg, str + offset + 1, &local_err)) {
2160 error_report_err(local_err);
2161 return -1;
2162 }
2163 return 0;
2164}
2165
2166static void user_register_global_props(void)
2167{
2168 qemu_opts_foreach(qemu_find_opts("global"),
2169 global_init_func, NULL, NULL);
2170}
2171
2172static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp)
2173{
2174 icount_configure(opts, errp);
2175 return 0;
2176}
2177
2178static int accelerator_set_property(void *opaque,
2179 const char *name, const char *value,
2180 Error **errp)
2181{
2182 return object_parse_property_opt(opaque, name, value, "accel", errp);
2183}
2184
2185static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
2186{
2187 bool *p_init_failed = opaque;
2188 const char *acc = qemu_opt_get(opts, "accel");
2189 AccelClass *ac = accel_find(acc);
2190 AccelState *accel;
2191 int ret;
2192 bool qtest_with_kvm;
2193
2194 qtest_with_kvm = g_str_equal(acc, "kvm") && qtest_chrdev != NULL;
2195
2196 if (!ac) {
2197 *p_init_failed = true;
2198 if (!qtest_with_kvm) {
2199 error_report("invalid accelerator %s", acc);
2200 }
2201 return 0;
2202 }
2203 accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac)));
2204 object_apply_compat_props(OBJECT(accel));
2205 qemu_opt_foreach(opts, accelerator_set_property,
2206 accel,
2207 &error_fatal);
2208
2209 ret = accel_init_machine(accel, current_machine);
2210 if (ret < 0) {
2211 *p_init_failed = true;
2212 if (!qtest_with_kvm || ret != -ENOENT) {
2213 error_report("failed to initialize %s: %s", acc, strerror(-ret));
2214 }
2215 return 0;
2216 }
2217
2218 return 1;
2219}
2220
2221static void configure_accelerators(const char *progname)
2222{
2223 const char *accelerators;
2224 bool init_failed = false;
2225
2226 qemu_opts_foreach(qemu_find_opts("icount"),
2227 do_configure_icount, NULL, &error_fatal);
2228
2229 accelerators = qemu_opt_get(qemu_get_machine_opts(), "accel");
2230 if (QTAILQ_EMPTY(&qemu_accel_opts.head)) {
2231 char **accel_list, **tmp;
2232
2233 if (accelerators == NULL) {
2234
2235 bool have_tcg = accel_find("tcg");
2236 bool have_kvm = accel_find("kvm");
2237
2238 if (have_tcg && have_kvm) {
2239 if (g_str_has_suffix(progname, "kvm")) {
2240
2241 accelerators = "kvm:tcg";
2242 } else {
2243 accelerators = "tcg:kvm";
2244 }
2245 } else if (have_kvm) {
2246 accelerators = "kvm";
2247 } else if (have_tcg) {
2248 accelerators = "tcg";
2249 } else {
2250 error_report("No accelerator selected and"
2251 " no default accelerator available");
2252 exit(1);
2253 }
2254 }
2255 accel_list = g_strsplit(accelerators, ":", 0);
2256
2257 for (tmp = accel_list; *tmp; tmp++) {
2258
2259
2260
2261
2262 if (accel_find(*tmp)) {
2263 qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp, true);
2264 } else {
2265 init_failed = true;
2266 error_report("invalid accelerator %s", *tmp);
2267 }
2268 }
2269 g_strfreev(accel_list);
2270 } else {
2271 if (accelerators != NULL) {
2272 error_report("The -accel and \"-machine accel=\" options are incompatible");
2273 exit(1);
2274 }
2275 }
2276
2277 if (!qemu_opts_foreach(qemu_find_opts("accel"),
2278 do_configure_accelerator, &init_failed, &error_fatal)) {
2279 if (!init_failed) {
2280 error_report("no accelerator found");
2281 }
2282 exit(1);
2283 }
2284
2285 if (init_failed && !qtest_chrdev) {
2286 AccelClass *ac = ACCEL_GET_CLASS(current_accel());
2287 error_report("falling back to %s", ac->name);
2288 }
2289
2290 if (icount_enabled() && !tcg_enabled()) {
2291 error_report("-icount is not allowed with hardware virtualization");
2292 exit(1);
2293 }
2294}
2295
2296static void create_default_memdev(MachineState *ms, const char *path)
2297{
2298 Object *obj;
2299 MachineClass *mc = MACHINE_GET_CLASS(ms);
2300
2301 obj = object_new(path ? TYPE_MEMORY_BACKEND_FILE : TYPE_MEMORY_BACKEND_RAM);
2302 if (path) {
2303 object_property_set_str(obj, "mem-path", path, &error_fatal);
2304 }
2305 object_property_set_int(obj, "size", ms->ram_size, &error_fatal);
2306 object_property_add_child(object_get_objects_root(), mc->default_ram_id,
2307 obj);
2308
2309 object_property_set_bool(obj, "x-use-canonical-path-for-ramblock-id",
2310 false, &error_fatal);
2311 user_creatable_complete(USER_CREATABLE(obj), &error_fatal);
2312 object_unref(obj);
2313 object_property_set_str(OBJECT(ms), "memory-backend", mc->default_ram_id,
2314 &error_fatal);
2315}
2316
2317static void qemu_validate_options(void)
2318{
2319 QemuOpts *machine_opts = qemu_get_machine_opts();
2320 const char *kernel_filename = qemu_opt_get(machine_opts, "kernel");
2321 const char *initrd_filename = qemu_opt_get(machine_opts, "initrd");
2322 const char *kernel_cmdline = qemu_opt_get(machine_opts, "append");
2323
2324 if (kernel_filename == NULL) {
2325 if (kernel_cmdline != NULL) {
2326 error_report("-append only allowed with -kernel option");
2327 exit(1);
2328 }
2329
2330 if (initrd_filename != NULL) {
2331 error_report("-initrd only allowed with -kernel option");
2332 exit(1);
2333 }
2334 }
2335
2336 if (loadvm && preconfig_requested) {
2337 error_report("'preconfig' and 'loadvm' options are "
2338 "mutually exclusive");
2339 exit(EXIT_FAILURE);
2340 }
2341 if (incoming && preconfig_requested && strcmp(incoming, "defer") != 0) {
2342 error_report("'preconfig' supports '-incoming defer' only");
2343 exit(EXIT_FAILURE);
2344 }
2345
2346#ifdef CONFIG_CURSES
2347 if (is_daemonized() && dpy.type == DISPLAY_TYPE_CURSES) {
2348 error_report("curses display cannot be used with -daemonize");
2349 exit(1);
2350 }
2351#endif
2352}
2353
2354static void qemu_process_sugar_options(void)
2355{
2356 if (mem_prealloc) {
2357 char *val;
2358
2359 val = g_strdup_printf("%d",
2360 (uint32_t) qemu_opt_get_number(qemu_find_opts_singleton("smp-opts"), "cpus", 1));
2361 object_register_sugar_prop("memory-backend", "prealloc-threads", val,
2362 false);
2363 g_free(val);
2364 object_register_sugar_prop("memory-backend", "prealloc", "on", false);
2365 }
2366
2367 if (watchdog) {
2368 int i = select_watchdog(watchdog);
2369 if (i > 0)
2370 exit (i == 1 ? 1 : 0);
2371 }
2372}
2373
2374
2375
2376
2377
2378
2379static int process_runstate_actions(void *opaque, QemuOpts *opts, Error **errp)
2380{
2381 Error *local_err = NULL;
2382 QDict *qdict = qemu_opts_to_qdict(opts, NULL);
2383 QObject *ret = NULL;
2384 qmp_marshal_set_action(qdict, &ret, &local_err);
2385 qobject_unref(ret);
2386 qobject_unref(qdict);
2387 if (local_err) {
2388 error_propagate(errp, local_err);
2389 return 1;
2390 }
2391 return 0;
2392}
2393
2394static void qemu_process_early_options(void)
2395{
2396#ifdef CONFIG_SECCOMP
2397 QemuOptsList *olist = qemu_find_opts_err("sandbox", NULL);
2398 if (olist) {
2399 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
2400 }
2401#endif
2402
2403 qemu_opts_foreach(qemu_find_opts("name"),
2404 parse_name, NULL, &error_fatal);
2405
2406 if (qemu_opts_foreach(qemu_find_opts("action"),
2407 process_runstate_actions, NULL, &error_fatal)) {
2408 exit(1);
2409 }
2410
2411#ifndef _WIN32
2412 qemu_opts_foreach(qemu_find_opts("add-fd"),
2413 parse_add_fd, NULL, &error_fatal);
2414
2415 qemu_opts_foreach(qemu_find_opts("add-fd"),
2416 cleanup_add_fd, NULL, &error_fatal);
2417#endif
2418
2419
2420 if (log_file) {
2421 qemu_set_log_filename(log_file, &error_fatal);
2422 }
2423 if (log_mask) {
2424 int mask;
2425 mask = qemu_str_to_log_mask(log_mask);
2426 if (!mask) {
2427 qemu_print_log_usage(stdout);
2428 exit(1);
2429 }
2430 qemu_set_log(mask);
2431 } else {
2432 qemu_set_log(0);
2433 }
2434
2435 qemu_add_default_firmwarepath();
2436}
2437
2438static void qemu_process_help_options(void)
2439{
2440
2441
2442
2443
2444
2445
2446 if (cpu_option && is_help_option(cpu_option)) {
2447 list_cpus(cpu_option);
2448 exit(0);
2449 }
2450
2451 if (qemu_opts_foreach(qemu_find_opts("device"),
2452 device_help_func, NULL, NULL)) {
2453 exit(0);
2454 }
2455
2456
2457 if (list_data_dirs) {
2458 qemu_list_data_dirs();
2459 exit(0);
2460 }
2461}
2462
2463static void qemu_maybe_daemonize(const char *pid_file)
2464{
2465 Error *err;
2466
2467 os_daemonize();
2468 rcu_disable_atfork();
2469
2470 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
2471 error_reportf_err(err, "cannot create PID file: ");
2472 exit(1);
2473 }
2474
2475 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
2476 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
2477}
2478
2479static void qemu_init_displays(void)
2480{
2481 DisplayState *ds;
2482
2483
2484 ds = init_displaystate();
2485 qemu_display_init(ds, &dpy);
2486
2487
2488 os_setup_signal_handling();
2489
2490
2491#ifdef CONFIG_VNC
2492 qemu_opts_foreach(qemu_find_opts("vnc"),
2493 vnc_init_func, NULL, &error_fatal);
2494#endif
2495
2496 if (using_spice) {
2497 qemu_spice.display_init();
2498 }
2499}
2500
2501static void qemu_init_board(void)
2502{
2503 MachineClass *machine_class = MACHINE_GET_CLASS(current_machine);
2504
2505 if (machine_class->default_ram_id && current_machine->ram_size &&
2506 numa_uses_legacy_mem() && !current_machine->ram_memdev_id) {
2507 create_default_memdev(current_machine, mem_path);
2508 }
2509
2510
2511 qemu_plugin_load_list(&plugin_list, &error_fatal);
2512
2513
2514 machine_run_board_init(current_machine);
2515
2516 drive_check_orphaned();
2517
2518 realtime_init();
2519
2520 if (hax_enabled()) {
2521
2522 hax_sync_vcpus();
2523 }
2524}
2525
2526static void qemu_create_cli_devices(void)
2527{
2528 soundhw_init();
2529
2530 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
2531 parse_fw_cfg, fw_cfg_find(), &error_fatal);
2532
2533
2534 if (machine_usb(current_machine)) {
2535 if (foreach_device_config(DEV_USB, usb_parse) < 0)
2536 exit(1);
2537 }
2538
2539
2540 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
2541 qemu_opts_foreach(qemu_find_opts("device"),
2542 device_init_func, NULL, &error_fatal);
2543 rom_reset_order_override();
2544}
2545
2546static void qemu_machine_creation_done(void)
2547{
2548 MachineState *machine = MACHINE(qdev_get_machine());
2549
2550
2551 drive_check_orphaned();
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561 if (!default_net && (!qtest_enabled() || has_defaults)) {
2562 net_check_clients();
2563 }
2564
2565 qdev_prop_check_globals();
2566
2567 qdev_machine_creation_done();
2568
2569 if (machine->cgs) {
2570
2571
2572
2573 assert(machine->cgs->ready);
2574 }
2575
2576 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
2577 exit(1);
2578 }
2579}
2580
2581void qmp_x_exit_preconfig(Error **errp)
2582{
2583 if (phase_check(PHASE_MACHINE_INITIALIZED)) {
2584 error_setg(errp, "The command is permitted only before machine initialization");
2585 return;
2586 }
2587
2588 qemu_init_board();
2589 qemu_create_cli_devices();
2590 qemu_machine_creation_done();
2591
2592 if (loadvm) {
2593 Error *local_err = NULL;
2594 if (!load_snapshot(loadvm, NULL, false, NULL, &local_err)) {
2595 error_report_err(local_err);
2596 autostart = 0;
2597 exit(1);
2598 }
2599 }
2600 if (replay_mode != REPLAY_MODE_NONE) {
2601 replay_vmstate_init();
2602 }
2603
2604 if (incoming) {
2605 Error *local_err = NULL;
2606 if (strcmp(incoming, "defer") != 0) {
2607 qmp_migrate_incoming(incoming, &local_err);
2608 if (local_err) {
2609 error_reportf_err(local_err, "-incoming %s: ", incoming);
2610 exit(1);
2611 }
2612 }
2613 } else if (autostart) {
2614 qmp_cont(NULL);
2615 }
2616}
2617
2618void qemu_init(int argc, char **argv, char **envp)
2619{
2620 QemuOpts *opts;
2621 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2622 QemuOptsList *olist;
2623 int optind;
2624 const char *optarg;
2625 MachineClass *machine_class;
2626 bool userconfig = true;
2627 FILE *vmstate_dump_file = NULL;
2628
2629 qemu_add_opts(&qemu_drive_opts);
2630 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2631 qemu_add_drive_opts(&qemu_common_drive_opts);
2632 qemu_add_drive_opts(&qemu_drive_opts);
2633 qemu_add_drive_opts(&bdrv_runtime_opts);
2634 qemu_add_opts(&qemu_chardev_opts);
2635 qemu_add_opts(&qemu_device_opts);
2636 qemu_add_opts(&qemu_netdev_opts);
2637 qemu_add_opts(&qemu_nic_opts);
2638 qemu_add_opts(&qemu_net_opts);
2639 qemu_add_opts(&qemu_rtc_opts);
2640 qemu_add_opts(&qemu_global_opts);
2641 qemu_add_opts(&qemu_mon_opts);
2642 qemu_add_opts(&qemu_trace_opts);
2643 qemu_plugin_add_opts();
2644 qemu_add_opts(&qemu_option_rom_opts);
2645 qemu_add_opts(&qemu_machine_opts);
2646 qemu_add_opts(&qemu_accel_opts);
2647 qemu_add_opts(&qemu_mem_opts);
2648 qemu_add_opts(&qemu_smp_opts);
2649 qemu_add_opts(&qemu_boot_opts);
2650 qemu_add_opts(&qemu_add_fd_opts);
2651 qemu_add_opts(&qemu_object_opts);
2652 qemu_add_opts(&qemu_tpmdev_opts);
2653 qemu_add_opts(&qemu_overcommit_opts);
2654 qemu_add_opts(&qemu_msg_opts);
2655 qemu_add_opts(&qemu_name_opts);
2656 qemu_add_opts(&qemu_numa_opts);
2657 qemu_add_opts(&qemu_icount_opts);
2658 qemu_add_opts(&qemu_semihosting_config_opts);
2659 qemu_add_opts(&qemu_fw_cfg_opts);
2660 qemu_add_opts(&qemu_action_opts);
2661 module_call_init(MODULE_INIT_OPTS);
2662
2663 error_init(argv[0]);
2664 qemu_init_exec_dir(argv[0]);
2665
2666 qemu_init_subsystems();
2667
2668
2669 optind = 1;
2670 while (optind < argc) {
2671 if (argv[optind][0] != '-') {
2672
2673 optind++;
2674 } else {
2675 const QEMUOption *popt;
2676
2677 popt = lookup_opt(argc, argv, &optarg, &optind);
2678 switch (popt->index) {
2679 case QEMU_OPTION_nouserconfig:
2680 userconfig = false;
2681 break;
2682 }
2683 }
2684 }
2685
2686 if (userconfig) {
2687 qemu_read_default_config_file(&error_fatal);
2688 }
2689
2690
2691 optind = 1;
2692 for(;;) {
2693 if (optind >= argc)
2694 break;
2695 if (argv[optind][0] != '-') {
2696 loc_set_cmdline(argv, optind, 1);
2697 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2698 } else {
2699 const QEMUOption *popt;
2700
2701 popt = lookup_opt(argc, argv, &optarg, &optind);
2702 if (!(popt->arch_mask & arch_type)) {
2703 error_report("Option not supported for this target");
2704 exit(1);
2705 }
2706 switch(popt->index) {
2707 case QEMU_OPTION_cpu:
2708
2709 cpu_option = optarg;
2710 break;
2711 case QEMU_OPTION_hda:
2712 case QEMU_OPTION_hdb:
2713 case QEMU_OPTION_hdc:
2714 case QEMU_OPTION_hdd:
2715 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2716 HD_OPTS);
2717 break;
2718 case QEMU_OPTION_blockdev:
2719 {
2720 Visitor *v;
2721 BlockdevOptionsQueueEntry *bdo;
2722
2723 v = qobject_input_visitor_new_str(optarg, "driver",
2724 &error_fatal);
2725
2726 bdo = g_new(BlockdevOptionsQueueEntry, 1);
2727 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
2728 &error_fatal);
2729 visit_free(v);
2730 loc_save(&bdo->loc);
2731 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
2732 break;
2733 }
2734 case QEMU_OPTION_drive:
2735 if (drive_def(optarg) == NULL) {
2736 exit(1);
2737 }
2738 break;
2739 case QEMU_OPTION_set:
2740 if (qemu_set_option(optarg) != 0)
2741 exit(1);
2742 break;
2743 case QEMU_OPTION_global:
2744 if (qemu_global_option(optarg) != 0)
2745 exit(1);
2746 break;
2747 case QEMU_OPTION_mtdblock:
2748 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2749 break;
2750 case QEMU_OPTION_sd:
2751 drive_add(IF_SD, -1, optarg, SD_OPTS);
2752 break;
2753 case QEMU_OPTION_pflash:
2754 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2755 break;
2756 case QEMU_OPTION_snapshot:
2757 {
2758 Error *blocker = NULL;
2759 snapshot = 1;
2760 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
2761 "-snapshot");
2762 replay_add_blocker(blocker);
2763 }
2764 break;
2765 case QEMU_OPTION_numa:
2766 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
2767 optarg, true);
2768 if (!opts) {
2769 exit(1);
2770 }
2771 break;
2772 case QEMU_OPTION_display:
2773 parse_display(optarg);
2774 break;
2775 case QEMU_OPTION_nographic:
2776 olist = qemu_find_opts("machine");
2777 qemu_opts_parse_noisily(olist, "graphics=off", false);
2778 nographic = true;
2779 dpy.type = DISPLAY_TYPE_NONE;
2780 break;
2781 case QEMU_OPTION_curses:
2782#ifdef CONFIG_CURSES
2783 dpy.type = DISPLAY_TYPE_CURSES;
2784#else
2785 error_report("curses or iconv support is disabled");
2786 exit(1);
2787#endif
2788 break;
2789 case QEMU_OPTION_portrait:
2790 graphic_rotate = 90;
2791 break;
2792 case QEMU_OPTION_rotate:
2793 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2794 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2795 graphic_rotate != 180 && graphic_rotate != 270) {
2796 error_report("only 90, 180, 270 deg rotation is available");
2797 exit(1);
2798 }
2799 break;
2800 case QEMU_OPTION_kernel:
2801 qemu_opts_set(qemu_find_opts("machine"), "kernel", optarg, &error_abort);
2802 break;
2803 case QEMU_OPTION_initrd:
2804 qemu_opts_set(qemu_find_opts("machine"), "initrd", optarg, &error_abort);
2805 break;
2806 case QEMU_OPTION_append:
2807 qemu_opts_set(qemu_find_opts("machine"), "append", optarg, &error_abort);
2808 break;
2809 case QEMU_OPTION_dtb:
2810 qemu_opts_set(qemu_find_opts("machine"), "dtb", optarg, &error_abort);
2811 break;
2812 case QEMU_OPTION_cdrom:
2813 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2814 break;
2815 case QEMU_OPTION_boot:
2816 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
2817 optarg, true);
2818 if (!opts) {
2819 exit(1);
2820 }
2821 break;
2822 case QEMU_OPTION_fda:
2823 case QEMU_OPTION_fdb:
2824 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2825 optarg, FD_OPTS);
2826 break;
2827 case QEMU_OPTION_no_fd_bootchk:
2828 fd_bootchk = 0;
2829 break;
2830 case QEMU_OPTION_netdev:
2831 default_net = 0;
2832 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2833 exit(1);
2834 }
2835 break;
2836 case QEMU_OPTION_nic:
2837 default_net = 0;
2838 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
2839 exit(1);
2840 }
2841 break;
2842 case QEMU_OPTION_net:
2843 default_net = 0;
2844 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2845 exit(1);
2846 }
2847 break;
2848#ifdef CONFIG_LIBISCSI
2849 case QEMU_OPTION_iscsi:
2850 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
2851 optarg, false);
2852 if (!opts) {
2853 exit(1);
2854 }
2855 break;
2856#endif
2857 case QEMU_OPTION_audio_help:
2858 audio_legacy_help();
2859 exit (0);
2860 break;
2861 case QEMU_OPTION_audiodev:
2862 audio_parse_option(optarg);
2863 break;
2864 case QEMU_OPTION_soundhw:
2865 select_soundhw (optarg);
2866 break;
2867 case QEMU_OPTION_h:
2868 help(0);
2869 break;
2870 case QEMU_OPTION_version:
2871 version();
2872 exit(0);
2873 break;
2874 case QEMU_OPTION_m:
2875 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
2876 optarg, true);
2877 if (!opts) {
2878 exit(EXIT_FAILURE);
2879 }
2880 break;
2881#ifdef CONFIG_TPM
2882 case QEMU_OPTION_tpmdev:
2883 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
2884 exit(1);
2885 }
2886 break;
2887#endif
2888 case QEMU_OPTION_mempath:
2889 mem_path = optarg;
2890 break;
2891 case QEMU_OPTION_mem_prealloc:
2892 mem_prealloc = 1;
2893 break;
2894 case QEMU_OPTION_d:
2895 log_mask = optarg;
2896 break;
2897 case QEMU_OPTION_D:
2898 log_file = optarg;
2899 break;
2900 case QEMU_OPTION_DFILTER:
2901 qemu_set_dfilter_ranges(optarg, &error_fatal);
2902 break;
2903 case QEMU_OPTION_seed:
2904 qemu_guest_random_seed_main(optarg, &error_fatal);
2905 break;
2906 case QEMU_OPTION_s:
2907 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2908 break;
2909 case QEMU_OPTION_gdb:
2910 add_device_config(DEV_GDB, optarg);
2911 break;
2912 case QEMU_OPTION_L:
2913 if (is_help_option(optarg)) {
2914 list_data_dirs = true;
2915 } else {
2916 qemu_add_data_dir(g_strdup(optarg));
2917 }
2918 break;
2919 case QEMU_OPTION_bios:
2920 qemu_opts_set(qemu_find_opts("machine"), "firmware", optarg, &error_abort);
2921 break;
2922 case QEMU_OPTION_singlestep:
2923 singlestep = 1;
2924 break;
2925 case QEMU_OPTION_S:
2926 autostart = 0;
2927 break;
2928 case QEMU_OPTION_k:
2929 keyboard_layout = optarg;
2930 break;
2931 case QEMU_OPTION_vga:
2932 vga_model = optarg;
2933 default_vga = 0;
2934 break;
2935 case QEMU_OPTION_g:
2936 {
2937 const char *p;
2938 int w, h, depth;
2939 p = optarg;
2940 w = strtol(p, (char **)&p, 10);
2941 if (w <= 0) {
2942 graphic_error:
2943 error_report("invalid resolution or depth");
2944 exit(1);
2945 }
2946 if (*p != 'x')
2947 goto graphic_error;
2948 p++;
2949 h = strtol(p, (char **)&p, 10);
2950 if (h <= 0)
2951 goto graphic_error;
2952 if (*p == 'x') {
2953 p++;
2954 depth = strtol(p, (char **)&p, 10);
2955 if (depth != 1 && depth != 2 && depth != 4 &&
2956 depth != 8 && depth != 15 && depth != 16 &&
2957 depth != 24 && depth != 32)
2958 goto graphic_error;
2959 } else if (*p == '\0') {
2960 depth = graphic_depth;
2961 } else {
2962 goto graphic_error;
2963 }
2964
2965 graphic_width = w;
2966 graphic_height = h;
2967 graphic_depth = depth;
2968 }
2969 break;
2970 case QEMU_OPTION_echr:
2971 {
2972 char *r;
2973 term_escape_char = strtol(optarg, &r, 0);
2974 if (r == optarg)
2975 printf("Bad argument to echr\n");
2976 break;
2977 }
2978 case QEMU_OPTION_monitor:
2979 default_monitor = 0;
2980 if (strncmp(optarg, "none", 4)) {
2981 monitor_parse(optarg, "readline", false);
2982 }
2983 break;
2984 case QEMU_OPTION_qmp:
2985 monitor_parse(optarg, "control", false);
2986 default_monitor = 0;
2987 break;
2988 case QEMU_OPTION_qmp_pretty:
2989 monitor_parse(optarg, "control", true);
2990 default_monitor = 0;
2991 break;
2992 case QEMU_OPTION_mon:
2993 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
2994 true);
2995 if (!opts) {
2996 exit(1);
2997 }
2998 default_monitor = 0;
2999 break;
3000 case QEMU_OPTION_chardev:
3001 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3002 optarg, true);
3003 if (!opts) {
3004 exit(1);
3005 }
3006 break;
3007 case QEMU_OPTION_fsdev:
3008 olist = qemu_find_opts("fsdev");
3009 if (!olist) {
3010 error_report("fsdev support is disabled");
3011 exit(1);
3012 }
3013 opts = qemu_opts_parse_noisily(olist, optarg, true);
3014 if (!opts) {
3015 exit(1);
3016 }
3017 break;
3018 case QEMU_OPTION_virtfs: {
3019 QemuOpts *fsdev;
3020 QemuOpts *device;
3021 const char *writeout, *sock_fd, *socket, *path, *security_model,
3022 *multidevs;
3023
3024 olist = qemu_find_opts("virtfs");
3025 if (!olist) {
3026 error_report("virtfs support is disabled");
3027 exit(1);
3028 }
3029 opts = qemu_opts_parse_noisily(olist, optarg, true);
3030 if (!opts) {
3031 exit(1);
3032 }
3033
3034 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3035 qemu_opt_get(opts, "mount_tag") == NULL) {
3036 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3037 exit(1);
3038 }
3039 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3040 qemu_opts_id(opts) ?:
3041 qemu_opt_get(opts, "mount_tag"),
3042 1, NULL);
3043 if (!fsdev) {
3044 error_report("duplicate or invalid fsdev id: %s",
3045 qemu_opt_get(opts, "mount_tag"));
3046 exit(1);
3047 }
3048
3049 writeout = qemu_opt_get(opts, "writeout");
3050 if (writeout) {
3051#ifdef CONFIG_SYNC_FILE_RANGE
3052 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3053#else
3054 error_report("writeout=immediate not supported "
3055 "on this platform");
3056 exit(1);
3057#endif
3058 }
3059 qemu_opt_set(fsdev, "fsdriver",
3060 qemu_opt_get(opts, "fsdriver"), &error_abort);
3061 path = qemu_opt_get(opts, "path");
3062 if (path) {
3063 qemu_opt_set(fsdev, "path", path, &error_abort);
3064 }
3065 security_model = qemu_opt_get(opts, "security_model");
3066 if (security_model) {
3067 qemu_opt_set(fsdev, "security_model", security_model,
3068 &error_abort);
3069 }
3070 socket = qemu_opt_get(opts, "socket");
3071 if (socket) {
3072 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3073 }
3074 sock_fd = qemu_opt_get(opts, "sock_fd");
3075 if (sock_fd) {
3076 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3077 }
3078
3079 qemu_opt_set_bool(fsdev, "readonly",
3080 qemu_opt_get_bool(opts, "readonly", 0),
3081 &error_abort);
3082 multidevs = qemu_opt_get(opts, "multidevs");
3083 if (multidevs) {
3084 qemu_opt_set(fsdev, "multidevs", multidevs, &error_abort);
3085 }
3086 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3087 &error_abort);
3088 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3089 qemu_opt_set(device, "fsdev",
3090 qemu_opts_id(fsdev), &error_abort);
3091 qemu_opt_set(device, "mount_tag",
3092 qemu_opt_get(opts, "mount_tag"), &error_abort);
3093 break;
3094 }
3095 case QEMU_OPTION_serial:
3096 add_device_config(DEV_SERIAL, optarg);
3097 default_serial = 0;
3098 if (strncmp(optarg, "mon:", 4) == 0) {
3099 default_monitor = 0;
3100 }
3101 break;
3102 case QEMU_OPTION_watchdog:
3103 if (watchdog) {
3104 error_report("only one watchdog option may be given");
3105 exit(1);
3106 }
3107 watchdog = optarg;
3108 break;
3109 case QEMU_OPTION_action:
3110 olist = qemu_find_opts("action");
3111 if (!qemu_opts_parse_noisily(olist, optarg, false)) {
3112 exit(1);
3113 }
3114 break;
3115 case QEMU_OPTION_watchdog_action:
3116 if (select_watchdog_action(optarg) == -1) {
3117 error_report("unknown -watchdog-action parameter");
3118 exit(1);
3119 }
3120 break;
3121 case QEMU_OPTION_parallel:
3122 add_device_config(DEV_PARALLEL, optarg);
3123 default_parallel = 0;
3124 if (strncmp(optarg, "mon:", 4) == 0) {
3125 default_monitor = 0;
3126 }
3127 break;
3128 case QEMU_OPTION_debugcon:
3129 add_device_config(DEV_DEBUGCON, optarg);
3130 break;
3131 case QEMU_OPTION_loadvm:
3132 loadvm = optarg;
3133 break;
3134 case QEMU_OPTION_full_screen:
3135 dpy.has_full_screen = true;
3136 dpy.full_screen = true;
3137 break;
3138 case QEMU_OPTION_alt_grab:
3139 alt_grab = 1;
3140 break;
3141 case QEMU_OPTION_ctrl_grab:
3142 ctrl_grab = 1;
3143 break;
3144 case QEMU_OPTION_no_quit:
3145 dpy.has_window_close = true;
3146 dpy.window_close = false;
3147 break;
3148 case QEMU_OPTION_sdl:
3149#ifdef CONFIG_SDL
3150 dpy.type = DISPLAY_TYPE_SDL;
3151 break;
3152#else
3153 error_report("SDL support is disabled");
3154 exit(1);
3155#endif
3156 case QEMU_OPTION_pidfile:
3157 pid_file = optarg;
3158 break;
3159 case QEMU_OPTION_win2k_hack:
3160 win2k_install_hack = 1;
3161 break;
3162 case QEMU_OPTION_acpitable:
3163 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3164 optarg, true);
3165 if (!opts) {
3166 exit(1);
3167 }
3168 acpi_table_add(opts, &error_fatal);
3169 break;
3170 case QEMU_OPTION_smbios:
3171 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3172 optarg, false);
3173 if (!opts) {
3174 exit(1);
3175 }
3176 smbios_entry_add(opts, &error_fatal);
3177 break;
3178 case QEMU_OPTION_fwcfg:
3179 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3180 optarg, true);
3181 if (opts == NULL) {
3182 exit(1);
3183 }
3184 break;
3185 case QEMU_OPTION_preconfig:
3186 preconfig_requested = true;
3187 break;
3188 case QEMU_OPTION_enable_kvm:
3189 olist = qemu_find_opts("machine");
3190 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3191 break;
3192 case QEMU_OPTION_M:
3193 case QEMU_OPTION_machine:
3194 olist = qemu_find_opts("machine");
3195 opts = qemu_opts_parse_noisily(olist, optarg, true);
3196 if (!opts) {
3197 exit(1);
3198 }
3199 break;
3200 case QEMU_OPTION_accel:
3201 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3202 optarg, true);
3203 optarg = qemu_opt_get(accel_opts, "accel");
3204 if (!optarg || is_help_option(optarg)) {
3205 printf("Accelerators supported in QEMU binary:\n");
3206 GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL,
3207 false);
3208 for (el = accel_list; el; el = el->next) {
3209 gchar *typename = g_strdup(object_class_get_name(
3210 OBJECT_CLASS(el->data)));
3211
3212 if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) &&
3213 g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) {
3214 gchar **optname = g_strsplit(typename,
3215 ACCEL_CLASS_SUFFIX, 0);
3216 printf("%s\n", optname[0]);
3217 g_strfreev(optname);
3218 }
3219 g_free(typename);
3220 }
3221 g_slist_free(accel_list);
3222 exit(0);
3223 }
3224 break;
3225 case QEMU_OPTION_usb:
3226 olist = qemu_find_opts("machine");
3227 qemu_opts_parse_noisily(olist, "usb=on", false);
3228 break;
3229 case QEMU_OPTION_usbdevice:
3230 olist = qemu_find_opts("machine");
3231 qemu_opts_parse_noisily(olist, "usb=on", false);
3232 add_device_config(DEV_USB, optarg);
3233 break;
3234 case QEMU_OPTION_device:
3235 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3236 optarg, true)) {
3237 exit(1);
3238 }
3239 break;
3240 case QEMU_OPTION_smp:
3241 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3242 optarg, true)) {
3243 exit(1);
3244 }
3245 break;
3246 case QEMU_OPTION_vnc:
3247 vnc_parse(optarg);
3248 break;
3249 case QEMU_OPTION_no_acpi:
3250 olist = qemu_find_opts("machine");
3251 qemu_opts_parse_noisily(olist, "acpi=off", false);
3252 break;
3253 case QEMU_OPTION_no_hpet:
3254 olist = qemu_find_opts("machine");
3255 qemu_opts_parse_noisily(olist, "hpet=off", false);
3256 break;
3257 case QEMU_OPTION_no_reboot:
3258 olist = qemu_find_opts("action");
3259 qemu_opts_parse_noisily(olist, "reboot=shutdown", false);
3260 break;
3261 case QEMU_OPTION_no_shutdown:
3262 olist = qemu_find_opts("action");
3263 qemu_opts_parse_noisily(olist, "shutdown=pause", false);
3264 break;
3265 case QEMU_OPTION_uuid:
3266 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3267 error_report("failed to parse UUID string: wrong format");
3268 exit(1);
3269 }
3270 qemu_uuid_set = true;
3271 break;
3272 case QEMU_OPTION_option_rom:
3273 if (nb_option_roms >= MAX_OPTION_ROMS) {
3274 error_report("too many option ROMs");
3275 exit(1);
3276 }
3277 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3278 optarg, true);
3279 if (!opts) {
3280 exit(1);
3281 }
3282 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3283 option_rom[nb_option_roms].bootindex =
3284 qemu_opt_get_number(opts, "bootindex", -1);
3285 if (!option_rom[nb_option_roms].name) {
3286 error_report("Option ROM file is not specified");
3287 exit(1);
3288 }
3289 nb_option_roms++;
3290 break;
3291 case QEMU_OPTION_semihosting:
3292 qemu_semihosting_enable();
3293 break;
3294 case QEMU_OPTION_semihosting_config:
3295 if (qemu_semihosting_config_options(optarg) != 0) {
3296 exit(1);
3297 }
3298 break;
3299 case QEMU_OPTION_name:
3300 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3301 optarg, true);
3302 if (!opts) {
3303 exit(1);
3304 }
3305
3306 error_guest_name = qemu_opt_get(opts, "guest");
3307 break;
3308 case QEMU_OPTION_prom_env:
3309 if (nb_prom_envs >= MAX_PROM_ENVS) {
3310 error_report("too many prom variables");
3311 exit(1);
3312 }
3313 prom_envs[nb_prom_envs] = optarg;
3314 nb_prom_envs++;
3315 break;
3316 case QEMU_OPTION_old_param:
3317 old_param = 1;
3318 break;
3319 case QEMU_OPTION_rtc:
3320 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3321 false);
3322 if (!opts) {
3323 exit(1);
3324 }
3325 break;
3326 case QEMU_OPTION_icount:
3327 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3328 optarg, true);
3329 if (!icount_opts) {
3330 exit(1);
3331 }
3332 break;
3333 case QEMU_OPTION_incoming:
3334 if (!incoming) {
3335 runstate_set(RUN_STATE_INMIGRATE);
3336 }
3337 incoming = optarg;
3338 break;
3339 case QEMU_OPTION_only_migratable:
3340 only_migratable = 1;
3341 break;
3342 case QEMU_OPTION_nodefaults:
3343 has_defaults = 0;
3344 break;
3345 case QEMU_OPTION_xen_domid:
3346 if (!(xen_available())) {
3347 error_report("Option not supported for this target");
3348 exit(1);
3349 }
3350 xen_domid = atoi(optarg);
3351 break;
3352 case QEMU_OPTION_xen_attach:
3353 if (!(xen_available())) {
3354 error_report("Option not supported for this target");
3355 exit(1);
3356 }
3357 xen_mode = XEN_ATTACH;
3358 break;
3359 case QEMU_OPTION_xen_domid_restrict:
3360 if (!(xen_available())) {
3361 error_report("Option not supported for this target");
3362 exit(1);
3363 }
3364 xen_domid_restrict = true;
3365 break;
3366 case QEMU_OPTION_trace:
3367 trace_opt_parse(optarg);
3368 break;
3369 case QEMU_OPTION_plugin:
3370 qemu_plugin_opt_parse(optarg, &plugin_list);
3371 break;
3372 case QEMU_OPTION_readconfig:
3373 qemu_read_config_file(optarg, &error_fatal);
3374 break;
3375 case QEMU_OPTION_spice:
3376 olist = qemu_find_opts_err("spice", NULL);
3377 if (!olist) {
3378 ui_module_load_one("spice-core");
3379 olist = qemu_find_opts("spice");
3380 }
3381 if (!olist) {
3382 error_report("spice support is disabled");
3383 exit(1);
3384 }
3385 opts = qemu_opts_parse_noisily(olist, optarg, false);
3386 if (!opts) {
3387 exit(1);
3388 }
3389 display_remote++;
3390 break;
3391 case QEMU_OPTION_writeconfig:
3392 {
3393 FILE *fp;
3394 warn_report("-writeconfig is deprecated and will go away without a replacement");
3395 if (strcmp(optarg, "-") == 0) {
3396 fp = stdout;
3397 } else {
3398 fp = fopen(optarg, "w");
3399 if (fp == NULL) {
3400 error_report("open %s: %s", optarg,
3401 strerror(errno));
3402 exit(1);
3403 }
3404 }
3405 qemu_config_write(fp);
3406 if (fp != stdout) {
3407 fclose(fp);
3408 }
3409 break;
3410 }
3411 case QEMU_OPTION_qtest:
3412 qtest_chrdev = optarg;
3413 break;
3414 case QEMU_OPTION_qtest_log:
3415 qtest_log = optarg;
3416 break;
3417 case QEMU_OPTION_sandbox:
3418 olist = qemu_find_opts("sandbox");
3419 if (!olist) {
3420#ifndef CONFIG_SECCOMP
3421 error_report("-sandbox support is not enabled "
3422 "in this QEMU binary");
3423#endif
3424 exit(1);
3425 }
3426
3427 opts = qemu_opts_parse_noisily(olist, optarg, true);
3428 if (!opts) {
3429 exit(1);
3430 }
3431 break;
3432 case QEMU_OPTION_add_fd:
3433#ifndef _WIN32
3434 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3435 optarg, false);
3436 if (!opts) {
3437 exit(1);
3438 }
3439#else
3440 error_report("File descriptor passing is disabled on this "
3441 "platform");
3442 exit(1);
3443#endif
3444 break;
3445 case QEMU_OPTION_object:
3446 object_option_parse(optarg);
3447 break;
3448 case QEMU_OPTION_overcommit:
3449 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3450 optarg, false);
3451 if (!opts) {
3452 exit(1);
3453 }
3454 enable_mlock = qemu_opt_get_bool(opts, "mem-lock", false);
3455 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3456 break;
3457 case QEMU_OPTION_compat:
3458 {
3459 CompatPolicy *opts;
3460 Visitor *v;
3461
3462 v = qobject_input_visitor_new_str(optarg, NULL,
3463 &error_fatal);
3464
3465 visit_type_CompatPolicy(v, NULL, &opts, &error_fatal);
3466 QAPI_CLONE_MEMBERS(CompatPolicy, &compat_policy, opts);
3467
3468 qapi_free_CompatPolicy(opts);
3469 visit_free(v);
3470 break;
3471 }
3472 case QEMU_OPTION_msg:
3473 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3474 false);
3475 if (!opts) {
3476 exit(1);
3477 }
3478 configure_msg(opts);
3479 break;
3480 case QEMU_OPTION_dump_vmstate:
3481 if (vmstate_dump_file) {
3482 error_report("only one '-dump-vmstate' "
3483 "option may be given");
3484 exit(1);
3485 }
3486 vmstate_dump_file = fopen(optarg, "w");
3487 if (vmstate_dump_file == NULL) {
3488 error_report("open %s: %s", optarg, strerror(errno));
3489 exit(1);
3490 }
3491 break;
3492 case QEMU_OPTION_enable_sync_profile:
3493 qsp_enable();
3494 break;
3495 case QEMU_OPTION_nouserconfig:
3496
3497 break;
3498 default:
3499 if (os_parse_cmd_args(popt->index, optarg)) {
3500 error_report("Option not supported in this build");
3501 exit(1);
3502 }
3503 }
3504 }
3505 }
3506
3507
3508
3509
3510 loc_set_none();
3511
3512 qemu_validate_options();
3513 qemu_process_sugar_options();
3514
3515
3516
3517
3518
3519 qemu_process_early_options();
3520
3521 qemu_process_help_options();
3522 qemu_maybe_daemonize(pid_file);
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532 if (!trace_init_backends()) {
3533 exit(1);
3534 }
3535 trace_init_file();
3536
3537 qemu_init_main_loop(&error_fatal);
3538 cpu_timers_init();
3539
3540 user_register_global_props();
3541 replay_configure(icount_opts);
3542
3543 configure_rtc(qemu_find_opts_singleton("rtc"));
3544
3545 qemu_create_machine(select_machine());
3546
3547 suspend_mux_open();
3548
3549 qemu_disable_default_devices();
3550 qemu_create_default_devices();
3551 qemu_create_early_backends();
3552
3553 qemu_apply_machine_options();
3554 phase_advance(PHASE_MACHINE_CREATED);
3555
3556
3557
3558
3559
3560 configure_accelerators(argv[0]);
3561 phase_advance(PHASE_ACCEL_CREATED);
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579 machine_class = MACHINE_GET_CLASS(current_machine);
3580 if (!qtest_enabled() && machine_class->deprecation_reason) {
3581 error_report("Machine type '%s' is deprecated: %s",
3582 machine_class->name, machine_class->deprecation_reason);
3583 }
3584
3585
3586
3587
3588
3589 migration_object_init();
3590
3591 qemu_create_late_backends();
3592
3593
3594 current_machine->cpu_type = machine_class->default_cpu_type;
3595 if (cpu_option) {
3596 current_machine->cpu_type = parse_cpu_option(cpu_option);
3597 }
3598
3599 accel_init_interfaces(ACCEL_GET_CLASS(current_machine->accelerator));
3600
3601 qemu_resolve_machine_memdev();
3602 parse_numa_opts(current_machine);
3603
3604 if (vmstate_dump_file) {
3605
3606 dump_vmstate_json_to_file(vmstate_dump_file);
3607 exit(0);
3608 }
3609
3610 if (!preconfig_requested) {
3611 qmp_x_exit_preconfig(&error_fatal);
3612 }
3613 qemu_init_displays();
3614 accel_setup_post(current_machine);
3615 os_setup_post();
3616 resume_mux_open();
3617}
3618