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vl: Make display_remote a local variable
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1/*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24#include "qemu/osdep.h"
25#include "qemu/cutils.h"
26#include "qemu/help_option.h"
27
28#ifdef CONFIG_SECCOMP
29#include "sysemu/seccomp.h"
30#endif
31
32#if defined(CONFIG_VDE)
33#include <libvdeplug.h>
34#endif
35
36#ifdef CONFIG_SDL
37#if defined(__APPLE__) || defined(main)
38#include <SDL.h>
39int qemu_main(int argc, char **argv, char **envp);
40int main(int argc, char **argv)
41{
42 return qemu_main(argc, argv, NULL);
43}
44#undef main
45#define main qemu_main
46#endif
47#endif /* CONFIG_SDL */
48
49#ifdef CONFIG_COCOA
50#undef main
51#define main qemu_main
52#endif /* CONFIG_COCOA */
53
54#include <glib.h>
55
56#include "qemu/error-report.h"
57#include "qemu/sockets.h"
58#include "hw/hw.h"
59#include "hw/boards.h"
60#include "sysemu/accel.h"
61#include "hw/usb.h"
62#include "hw/i386/pc.h"
63#include "hw/isa/isa.h"
64#include "hw/bt.h"
65#include "sysemu/watchdog.h"
66#include "hw/smbios/smbios.h"
67#include "hw/xen/xen.h"
68#include "hw/qdev.h"
69#include "hw/loader.h"
70#include "monitor/qdev.h"
71#include "sysemu/bt.h"
72#include "net/net.h"
73#include "net/slirp.h"
74#include "monitor/monitor.h"
75#include "ui/console.h"
76#include "ui/input.h"
77#include "sysemu/sysemu.h"
78#include "sysemu/numa.h"
79#include "exec/gdbstub.h"
80#include "qemu/timer.h"
81#include "sysemu/char.h"
82#include "qemu/bitmap.h"
83#include "qemu/log.h"
84#include "sysemu/blockdev.h"
85#include "hw/block/block.h"
86#include "migration/block.h"
87#include "sysemu/tpm.h"
88#include "sysemu/dma.h"
89#include "audio/audio.h"
90#include "migration/migration.h"
91#include "sysemu/cpus.h"
92#include "sysemu/kvm.h"
93#include "qapi/qmp/qjson.h"
94#include "qemu/option.h"
95#include "qemu/config-file.h"
96#include "qemu-options.h"
97#include "qmp-commands.h"
98#include "qemu/main-loop.h"
99#ifdef CONFIG_VIRTFS
100#include "fsdev/qemu-fsdev.h"
101#endif
102#include "sysemu/qtest.h"
103
104#include "disas/disas.h"
105
106
107#include "slirp/libslirp.h"
108
109#include "trace.h"
110#include "trace/control.h"
111#include "qemu/queue.h"
112#include "sysemu/cpus.h"
113#include "sysemu/arch_init.h"
114
115#include "ui/qemu-spice.h"
116#include "qapi/string-input-visitor.h"
117#include "qapi/opts-visitor.h"
118#include "qom/object_interfaces.h"
119#include "qapi-event.h"
120#include "exec/semihost.h"
121#include "crypto/init.h"
122#include "sysemu/replay.h"
123#include "qapi/qmp/qerror.h"
124
125#define MAX_VIRTIO_CONSOLES 1
126#define MAX_SCLP_CONSOLES 1
127
128static const char *data_dir[16];
129static int data_dir_idx;
130const char *bios_name = NULL;
131enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132int request_opengl = -1;
133int display_opengl;
134const char* keyboard_layout = NULL;
135ram_addr_t ram_size;
136const char *mem_path = NULL;
137int mem_prealloc = 0; /* force preallocation of physical target memory */
138bool enable_mlock = false;
139int nb_nics;
140NICInfo nd_table[MAX_NICS];
141int autostart;
142static int rtc_utc = 1;
143static int rtc_date_offset = -1; /* -1 means no change */
144QEMUClockType rtc_clock;
145int vga_interface_type = VGA_NONE;
146static int full_screen = 0;
147static int no_frame = 0;
148int no_quit = 0;
149static bool grab_on_hover;
150CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154int win2k_install_hack = 0;
155int singlestep = 0;
156int smp_cpus = 1;
157int max_cpus = 0;
158int smp_cores = 1;
159int smp_threads = 1;
160int acpi_enabled = 1;
161int no_hpet = 0;
162int fd_bootchk = 1;
163static int no_reboot;
164int no_shutdown = 0;
165int cursor_hide = 1;
166int graphic_rotate = 0;
167const char *watchdog;
168QEMUOptionRom option_rom[MAX_OPTION_ROMS];
169int nb_option_roms;
170int old_param = 0;
171const char *qemu_name;
172int alt_grab = 0;
173int ctrl_grab = 0;
174unsigned int nb_prom_envs = 0;
175const char *prom_envs[MAX_PROM_ENVS];
176int boot_menu;
177bool boot_strict;
178uint8_t *boot_splash_filedata;
179size_t boot_splash_filedata_size;
180uint8_t qemu_extra_params_fw[2];
181
182int icount_align_option;
183
184/* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
186 */
187uint8_t qemu_uuid[16];
188bool qemu_uuid_set;
189
190static NotifierList exit_notifiers =
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
192
193static NotifierList machine_init_done_notifiers =
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
195
196bool xen_allowed;
197uint32_t xen_domid;
198enum xen_mode xen_mode = XEN_EMULATE;
199
200static int has_defaults = 1;
201static int default_serial = 1;
202static int default_parallel = 1;
203static int default_virtcon = 1;
204static int default_sclp = 1;
205static int default_monitor = 1;
206static int default_floppy = 1;
207static int default_cdrom = 1;
208static int default_sdcard = 1;
209static int default_vga = 1;
210
211static struct {
212 const char *driver;
213 int *flag;
214} default_list[] = {
215 { .driver = "isa-serial", .flag = &default_serial },
216 { .driver = "isa-parallel", .flag = &default_parallel },
217 { .driver = "isa-fdc", .flag = &default_floppy },
218 { .driver = "ide-cd", .flag = &default_cdrom },
219 { .driver = "ide-hd", .flag = &default_cdrom },
220 { .driver = "ide-drive", .flag = &default_cdrom },
221 { .driver = "scsi-cd", .flag = &default_cdrom },
222 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
223 { .driver = "virtio-serial", .flag = &default_virtcon },
224 { .driver = "VGA", .flag = &default_vga },
225 { .driver = "isa-vga", .flag = &default_vga },
226 { .driver = "cirrus-vga", .flag = &default_vga },
227 { .driver = "isa-cirrus-vga", .flag = &default_vga },
228 { .driver = "vmware-svga", .flag = &default_vga },
229 { .driver = "qxl-vga", .flag = &default_vga },
230 { .driver = "virtio-vga", .flag = &default_vga },
231};
232
233static QemuOptsList qemu_rtc_opts = {
234 .name = "rtc",
235 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
236 .desc = {
237 {
238 .name = "base",
239 .type = QEMU_OPT_STRING,
240 },{
241 .name = "clock",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "driftfix",
245 .type = QEMU_OPT_STRING,
246 },
247 { /* end of list */ }
248 },
249};
250
251static QemuOptsList qemu_sandbox_opts = {
252 .name = "sandbox",
253 .implied_opt_name = "enable",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
255 .desc = {
256 {
257 .name = "enable",
258 .type = QEMU_OPT_BOOL,
259 },
260 { /* end of list */ }
261 },
262};
263
264static QemuOptsList qemu_trace_opts = {
265 .name = "trace",
266 .implied_opt_name = "enable",
267 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
268 .desc = {
269 {
270 .name = "enable",
271 .type = QEMU_OPT_STRING,
272 },
273 {
274 .name = "events",
275 .type = QEMU_OPT_STRING,
276 },{
277 .name = "file",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282};
283
284static QemuOptsList qemu_option_rom_opts = {
285 .name = "option-rom",
286 .implied_opt_name = "romfile",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
288 .desc = {
289 {
290 .name = "bootindex",
291 .type = QEMU_OPT_NUMBER,
292 }, {
293 .name = "romfile",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298};
299
300static QemuOptsList qemu_machine_opts = {
301 .name = "machine",
302 .implied_opt_name = "type",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
305 .desc = {
306 /*
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
310 */
311 { }
312 },
313};
314
315static QemuOptsList qemu_boot_opts = {
316 .name = "boot-opts",
317 .implied_opt_name = "order",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
320 .desc = {
321 {
322 .name = "order",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "once",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "menu",
329 .type = QEMU_OPT_BOOL,
330 }, {
331 .name = "splash",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "splash-time",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "strict",
341 .type = QEMU_OPT_BOOL,
342 },
343 { /*End of list */ }
344 },
345};
346
347static QemuOptsList qemu_add_fd_opts = {
348 .name = "add-fd",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
350 .desc = {
351 {
352 .name = "fd",
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
355 },{
356 .name = "set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
359 },{
360 .name = "opaque",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
363 },
364 { /* end of list */ }
365 },
366};
367
368static QemuOptsList qemu_object_opts = {
369 .name = "object",
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
372 .desc = {
373 { }
374 },
375};
376
377static QemuOptsList qemu_tpmdev_opts = {
378 .name = "tpmdev",
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
381 .desc = {
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
384 },
385};
386
387static QemuOptsList qemu_realtime_opts = {
388 .name = "realtime",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
390 .desc = {
391 {
392 .name = "mlock",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397};
398
399static QemuOptsList qemu_msg_opts = {
400 .name = "msg",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
402 .desc = {
403 {
404 .name = "timestamp",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409};
410
411static QemuOptsList qemu_name_opts = {
412 .name = "name",
413 .implied_opt_name = "guest",
414 .merge_lists = true,
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
416 .desc = {
417 {
418 .name = "guest",
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
423 }, {
424 .name = "process",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the QEMU process, as shown in top etc",
427 }, {
428 .name = "debug-threads",
429 .type = QEMU_OPT_BOOL,
430 .help = "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
432 "stable API.",
433 },
434 { /* End of list */ }
435 },
436};
437
438static QemuOptsList qemu_mem_opts = {
439 .name = "memory",
440 .implied_opt_name = "size",
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
442 .merge_lists = true,
443 .desc = {
444 {
445 .name = "size",
446 .type = QEMU_OPT_SIZE,
447 },
448 {
449 .name = "slots",
450 .type = QEMU_OPT_NUMBER,
451 },
452 {
453 .name = "maxmem",
454 .type = QEMU_OPT_SIZE,
455 },
456 { /* end of list */ }
457 },
458};
459
460static QemuOptsList qemu_icount_opts = {
461 .name = "icount",
462 .implied_opt_name = "shift",
463 .merge_lists = true,
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
465 .desc = {
466 {
467 .name = "shift",
468 .type = QEMU_OPT_STRING,
469 }, {
470 .name = "align",
471 .type = QEMU_OPT_BOOL,
472 }, {
473 .name = "sleep",
474 .type = QEMU_OPT_BOOL,
475 }, {
476 .name = "rr",
477 .type = QEMU_OPT_STRING,
478 }, {
479 .name = "rrfile",
480 .type = QEMU_OPT_STRING,
481 },
482 { /* end of list */ }
483 },
484};
485
486static QemuOptsList qemu_semihosting_config_opts = {
487 .name = "semihosting-config",
488 .implied_opt_name = "enable",
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
490 .desc = {
491 {
492 .name = "enable",
493 .type = QEMU_OPT_BOOL,
494 }, {
495 .name = "target",
496 .type = QEMU_OPT_STRING,
497 }, {
498 .name = "arg",
499 .type = QEMU_OPT_STRING,
500 },
501 { /* end of list */ }
502 },
503};
504
505static QemuOptsList qemu_fw_cfg_opts = {
506 .name = "fw_cfg",
507 .implied_opt_name = "name",
508 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
509 .desc = {
510 {
511 .name = "name",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the fw_cfg name of the blob to be inserted",
514 }, {
515 .name = "file",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the name of the file from which\n"
518 "the fw_cfg blob will be loaded",
519 }, {
520 .name = "string",
521 .type = QEMU_OPT_STRING,
522 .help = "Sets content of the blob to be inserted from a string",
523 },
524 { /* end of list */ }
525 },
526};
527
528/**
529 * Get machine options
530 *
531 * Returns: machine options (never null).
532 */
533QemuOpts *qemu_get_machine_opts(void)
534{
535 return qemu_find_opts_singleton("machine");
536}
537
538const char *qemu_get_vm_name(void)
539{
540 return qemu_name;
541}
542
543static void res_free(void)
544{
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
547}
548
549static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
550{
551 const char *driver = qemu_opt_get(opts, "driver");
552 int i;
553
554 if (!driver)
555 return 0;
556 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
557 if (strcmp(default_list[i].driver, driver) != 0)
558 continue;
559 *(default_list[i].flag) = 0;
560 }
561 return 0;
562}
563
564/***********************************************************/
565/* QEMU state */
566
567static RunState current_run_state = RUN_STATE_PRELAUNCH;
568
569/* We use RUN_STATE__MAX but any invalid value will do */
570static RunState vmstop_requested = RUN_STATE__MAX;
571static QemuMutex vmstop_lock;
572
573typedef struct {
574 RunState from;
575 RunState to;
576} RunStateTransition;
577
578static const RunStateTransition runstate_transitions_def[] = {
579 /* from -> to */
580 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
581 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
582 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
583
584 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
585 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
586 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
587 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
589 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
590 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
591 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
592 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
594 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
595
596 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
599
600 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
601 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
603
604 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
605 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
607
608 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
611
612 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
615
616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
619
620 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
621 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
624 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
625 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
626 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
627 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
629 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
630 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
631 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
632 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
633
634 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
635
636 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
637 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
639
640 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
641 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
642 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
643 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
645
646 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
647 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
649
650 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
653
654 { RUN_STATE__MAX, RUN_STATE__MAX },
655};
656
657static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
658
659bool runstate_check(RunState state)
660{
661 return current_run_state == state;
662}
663
664bool runstate_store(char *str, size_t size)
665{
666 const char *state = RunState_lookup[current_run_state];
667 size_t len = strlen(state) + 1;
668
669 if (len > size) {
670 return false;
671 }
672 memcpy(str, state, len);
673 return true;
674}
675
676static void runstate_init(void)
677{
678 const RunStateTransition *p;
679
680 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
681 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
682 runstate_valid_transitions[p->from][p->to] = true;
683 }
684
685 qemu_mutex_init(&vmstop_lock);
686}
687
688/* This function will abort() on invalid state transitions */
689void runstate_set(RunState new_state)
690{
691 assert(new_state < RUN_STATE__MAX);
692
693 if (!runstate_valid_transitions[current_run_state][new_state]) {
694 error_report("invalid runstate transition: '%s' -> '%s'",
695 RunState_lookup[current_run_state],
696 RunState_lookup[new_state]);
697 abort();
698 }
699 trace_runstate_set(new_state);
700 current_run_state = new_state;
701}
702
703int runstate_is_running(void)
704{
705 return runstate_check(RUN_STATE_RUNNING);
706}
707
708bool runstate_needs_reset(void)
709{
710 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
711 runstate_check(RUN_STATE_SHUTDOWN);
712}
713
714StatusInfo *qmp_query_status(Error **errp)
715{
716 StatusInfo *info = g_malloc0(sizeof(*info));
717
718 info->running = runstate_is_running();
719 info->singlestep = singlestep;
720 info->status = current_run_state;
721
722 return info;
723}
724
725static bool qemu_vmstop_requested(RunState *r)
726{
727 qemu_mutex_lock(&vmstop_lock);
728 *r = vmstop_requested;
729 vmstop_requested = RUN_STATE__MAX;
730 qemu_mutex_unlock(&vmstop_lock);
731 return *r < RUN_STATE__MAX;
732}
733
734void qemu_system_vmstop_request_prepare(void)
735{
736 qemu_mutex_lock(&vmstop_lock);
737}
738
739void qemu_system_vmstop_request(RunState state)
740{
741 vmstop_requested = state;
742 qemu_mutex_unlock(&vmstop_lock);
743 qemu_notify_event();
744}
745
746void vm_start(void)
747{
748 RunState requested;
749
750 qemu_vmstop_requested(&requested);
751 if (runstate_is_running() && requested == RUN_STATE__MAX) {
752 return;
753 }
754
755 /* Ensure that a STOP/RESUME pair of events is emitted if a
756 * vmstop request was pending. The BLOCK_IO_ERROR event, for
757 * example, according to documentation is always followed by
758 * the STOP event.
759 */
760 if (runstate_is_running()) {
761 qapi_event_send_stop(&error_abort);
762 } else {
763 cpu_enable_ticks();
764 runstate_set(RUN_STATE_RUNNING);
765 vm_state_notify(1, RUN_STATE_RUNNING);
766 resume_all_vcpus();
767 }
768
769 qapi_event_send_resume(&error_abort);
770}
771
772
773/***********************************************************/
774/* real time host monotonic timer */
775
776static time_t qemu_time(void)
777{
778 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
779}
780
781/***********************************************************/
782/* host time/date access */
783void qemu_get_timedate(struct tm *tm, int offset)
784{
785 time_t ti = qemu_time();
786
787 ti += offset;
788 if (rtc_date_offset == -1) {
789 if (rtc_utc)
790 gmtime_r(&ti, tm);
791 else
792 localtime_r(&ti, tm);
793 } else {
794 ti -= rtc_date_offset;
795 gmtime_r(&ti, tm);
796 }
797}
798
799int qemu_timedate_diff(struct tm *tm)
800{
801 time_t seconds;
802
803 if (rtc_date_offset == -1)
804 if (rtc_utc)
805 seconds = mktimegm(tm);
806 else {
807 struct tm tmp = *tm;
808 tmp.tm_isdst = -1; /* use timezone to figure it out */
809 seconds = mktime(&tmp);
810 }
811 else
812 seconds = mktimegm(tm) + rtc_date_offset;
813
814 return seconds - qemu_time();
815}
816
817static void configure_rtc_date_offset(const char *startdate, int legacy)
818{
819 time_t rtc_start_date;
820 struct tm tm;
821
822 if (!strcmp(startdate, "now") && legacy) {
823 rtc_date_offset = -1;
824 } else {
825 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
826 &tm.tm_year,
827 &tm.tm_mon,
828 &tm.tm_mday,
829 &tm.tm_hour,
830 &tm.tm_min,
831 &tm.tm_sec) == 6) {
832 /* OK */
833 } else if (sscanf(startdate, "%d-%d-%d",
834 &tm.tm_year,
835 &tm.tm_mon,
836 &tm.tm_mday) == 3) {
837 tm.tm_hour = 0;
838 tm.tm_min = 0;
839 tm.tm_sec = 0;
840 } else {
841 goto date_fail;
842 }
843 tm.tm_year -= 1900;
844 tm.tm_mon--;
845 rtc_start_date = mktimegm(&tm);
846 if (rtc_start_date == -1) {
847 date_fail:
848 error_report("invalid date format");
849 error_printf("valid formats: "
850 "'2006-06-17T16:01:21' or '2006-06-17'\n");
851 exit(1);
852 }
853 rtc_date_offset = qemu_time() - rtc_start_date;
854 }
855}
856
857static void configure_rtc(QemuOpts *opts)
858{
859 const char *value;
860
861 value = qemu_opt_get(opts, "base");
862 if (value) {
863 if (!strcmp(value, "utc")) {
864 rtc_utc = 1;
865 } else if (!strcmp(value, "localtime")) {
866 Error *blocker = NULL;
867 rtc_utc = 0;
868 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
869 "-rtc base=localtime");
870 replay_add_blocker(blocker);
871 } else {
872 configure_rtc_date_offset(value, 0);
873 }
874 }
875 value = qemu_opt_get(opts, "clock");
876 if (value) {
877 if (!strcmp(value, "host")) {
878 rtc_clock = QEMU_CLOCK_HOST;
879 } else if (!strcmp(value, "rt")) {
880 rtc_clock = QEMU_CLOCK_REALTIME;
881 } else if (!strcmp(value, "vm")) {
882 rtc_clock = QEMU_CLOCK_VIRTUAL;
883 } else {
884 error_report("invalid option value '%s'", value);
885 exit(1);
886 }
887 }
888 value = qemu_opt_get(opts, "driftfix");
889 if (value) {
890 if (!strcmp(value, "slew")) {
891 static GlobalProperty slew_lost_ticks[] = {
892 {
893 .driver = "mc146818rtc",
894 .property = "lost_tick_policy",
895 .value = "slew",
896 },
897 { /* end of list */ }
898 };
899
900 qdev_prop_register_global_list(slew_lost_ticks);
901 } else if (!strcmp(value, "none")) {
902 /* discard is default */
903 } else {
904 error_report("invalid option value '%s'", value);
905 exit(1);
906 }
907 }
908}
909
910/***********************************************************/
911/* Bluetooth support */
912static int nb_hcis;
913static int cur_hci;
914static struct HCIInfo *hci_table[MAX_NICS];
915
916struct HCIInfo *qemu_next_hci(void)
917{
918 if (cur_hci == nb_hcis)
919 return &null_hci;
920
921 return hci_table[cur_hci++];
922}
923
924static int bt_hci_parse(const char *str)
925{
926 struct HCIInfo *hci;
927 bdaddr_t bdaddr;
928
929 if (nb_hcis >= MAX_NICS) {
930 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
931 return -1;
932 }
933
934 hci = hci_init(str);
935 if (!hci)
936 return -1;
937
938 bdaddr.b[0] = 0x52;
939 bdaddr.b[1] = 0x54;
940 bdaddr.b[2] = 0x00;
941 bdaddr.b[3] = 0x12;
942 bdaddr.b[4] = 0x34;
943 bdaddr.b[5] = 0x56 + nb_hcis;
944 hci->bdaddr_set(hci, bdaddr.b);
945
946 hci_table[nb_hcis++] = hci;
947
948 return 0;
949}
950
951static void bt_vhci_add(int vlan_id)
952{
953 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 error_report("warning: adding a VHCI to an empty scatternet %i",
957 vlan_id);
958
959 bt_vhci_init(bt_new_hci(vlan));
960}
961
962static struct bt_device_s *bt_device_add(const char *opt)
963{
964 struct bt_scatternet_s *vlan;
965 int vlan_id = 0;
966 char *endp = strstr(opt, ",vlan=");
967 int len = (endp ? endp - opt : strlen(opt)) + 1;
968 char devname[10];
969
970 pstrcpy(devname, MIN(sizeof(devname), len), opt);
971
972 if (endp) {
973 vlan_id = strtol(endp + 6, &endp, 0);
974 if (*endp) {
975 error_report("unrecognised bluetooth vlan Id");
976 return 0;
977 }
978 }
979
980 vlan = qemu_find_bt_vlan(vlan_id);
981
982 if (!vlan->slave)
983 error_report("warning: adding a slave device to an empty scatternet %i",
984 vlan_id);
985
986 if (!strcmp(devname, "keyboard"))
987 return bt_keyboard_init(vlan);
988
989 error_report("unsupported bluetooth device '%s'", devname);
990 return 0;
991}
992
993static int bt_parse(const char *opt)
994{
995 const char *endp, *p;
996 int vlan;
997
998 if (strstart(opt, "hci", &endp)) {
999 if (!*endp || *endp == ',') {
1000 if (*endp)
1001 if (!strstart(endp, ",vlan=", 0))
1002 opt = endp + 1;
1003
1004 return bt_hci_parse(opt);
1005 }
1006 } else if (strstart(opt, "vhci", &endp)) {
1007 if (!*endp || *endp == ',') {
1008 if (*endp) {
1009 if (strstart(endp, ",vlan=", &p)) {
1010 vlan = strtol(p, (char **) &endp, 0);
1011 if (*endp) {
1012 error_report("bad scatternet '%s'", p);
1013 return 1;
1014 }
1015 } else {
1016 error_report("bad parameter '%s'", endp + 1);
1017 return 1;
1018 }
1019 } else
1020 vlan = 0;
1021
1022 bt_vhci_add(vlan);
1023 return 0;
1024 }
1025 } else if (strstart(opt, "device:", &endp))
1026 return !bt_device_add(endp);
1027
1028 error_report("bad bluetooth parameter '%s'", opt);
1029 return 1;
1030}
1031
1032static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1033{
1034 /* FIXME: change this to true for 1.3 */
1035 if (qemu_opt_get_bool(opts, "enable", false)) {
1036#ifdef CONFIG_SECCOMP
1037 if (seccomp_start() < 0) {
1038 error_report("failed to install seccomp syscall filter "
1039 "in the kernel");
1040 return -1;
1041 }
1042#else
1043 error_report("seccomp support is disabled");
1044 return -1;
1045#endif
1046 }
1047
1048 return 0;
1049}
1050
1051static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1052{
1053 const char *proc_name;
1054
1055 if (qemu_opt_get(opts, "debug-threads")) {
1056 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1057 }
1058 qemu_name = qemu_opt_get(opts, "guest");
1059
1060 proc_name = qemu_opt_get(opts, "process");
1061 if (proc_name) {
1062 os_set_proc_name(proc_name);
1063 }
1064
1065 return 0;
1066}
1067
1068bool defaults_enabled(void)
1069{
1070 return has_defaults;
1071}
1072
1073bool usb_enabled(void)
1074{
1075 return machine_usb(current_machine);
1076}
1077
1078#ifndef _WIN32
1079static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1080{
1081 int fd, dupfd, flags;
1082 int64_t fdset_id;
1083 const char *fd_opaque = NULL;
1084 AddfdInfo *fdinfo;
1085
1086 fd = qemu_opt_get_number(opts, "fd", -1);
1087 fdset_id = qemu_opt_get_number(opts, "set", -1);
1088 fd_opaque = qemu_opt_get(opts, "opaque");
1089
1090 if (fd < 0) {
1091 error_report("fd option is required and must be non-negative");
1092 return -1;
1093 }
1094
1095 if (fd <= STDERR_FILENO) {
1096 error_report("fd cannot be a standard I/O stream");
1097 return -1;
1098 }
1099
1100 /*
1101 * All fds inherited across exec() necessarily have FD_CLOEXEC
1102 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1103 */
1104 flags = fcntl(fd, F_GETFD);
1105 if (flags == -1 || (flags & FD_CLOEXEC)) {
1106 error_report("fd is not valid or already in use");
1107 return -1;
1108 }
1109
1110 if (fdset_id < 0) {
1111 error_report("set option is required and must be non-negative");
1112 return -1;
1113 }
1114
1115#ifdef F_DUPFD_CLOEXEC
1116 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1117#else
1118 dupfd = dup(fd);
1119 if (dupfd != -1) {
1120 qemu_set_cloexec(dupfd);
1121 }
1122#endif
1123 if (dupfd == -1) {
1124 error_report("error duplicating fd: %s", strerror(errno));
1125 return -1;
1126 }
1127
1128 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1129 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1130 &error_abort);
1131 g_free(fdinfo);
1132
1133 return 0;
1134}
1135
1136static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1137{
1138 int fd;
1139
1140 fd = qemu_opt_get_number(opts, "fd", -1);
1141 close(fd);
1142
1143 return 0;
1144}
1145#endif
1146
1147/***********************************************************/
1148/* QEMU Block devices */
1149
1150#define HD_OPTS "media=disk"
1151#define CDROM_OPTS "media=cdrom"
1152#define FD_OPTS ""
1153#define PFLASH_OPTS ""
1154#define MTD_OPTS ""
1155#define SD_OPTS ""
1156
1157static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1158{
1159 BlockInterfaceType *block_default_type = opaque;
1160
1161 return drive_new(opts, *block_default_type) == NULL;
1162}
1163
1164static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1165{
1166 if (qemu_opt_get(opts, "snapshot") == NULL) {
1167 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1168 }
1169 return 0;
1170}
1171
1172static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1173 int index, const char *optstr)
1174{
1175 QemuOpts *opts;
1176 DriveInfo *dinfo;
1177
1178 if (!enable || drive_get_by_index(type, index)) {
1179 return;
1180 }
1181
1182 opts = drive_add(type, index, NULL, optstr);
1183 if (snapshot) {
1184 drive_enable_snapshot(NULL, opts, NULL);
1185 }
1186
1187 dinfo = drive_new(opts, type);
1188 if (!dinfo) {
1189 exit(1);
1190 }
1191 dinfo->is_default = true;
1192
1193}
1194
1195static QemuOptsList qemu_smp_opts = {
1196 .name = "smp-opts",
1197 .implied_opt_name = "cpus",
1198 .merge_lists = true,
1199 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1200 .desc = {
1201 {
1202 .name = "cpus",
1203 .type = QEMU_OPT_NUMBER,
1204 }, {
1205 .name = "sockets",
1206 .type = QEMU_OPT_NUMBER,
1207 }, {
1208 .name = "cores",
1209 .type = QEMU_OPT_NUMBER,
1210 }, {
1211 .name = "threads",
1212 .type = QEMU_OPT_NUMBER,
1213 }, {
1214 .name = "maxcpus",
1215 .type = QEMU_OPT_NUMBER,
1216 },
1217 { /*End of list */ }
1218 },
1219};
1220
1221static void smp_parse(QemuOpts *opts)
1222{
1223 if (opts) {
1224
1225 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1226 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1227 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1228 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1229
1230 /* compute missing values, prefer sockets over cores over threads */
1231 if (cpus == 0 || sockets == 0) {
1232 sockets = sockets > 0 ? sockets : 1;
1233 cores = cores > 0 ? cores : 1;
1234 threads = threads > 0 ? threads : 1;
1235 if (cpus == 0) {
1236 cpus = cores * threads * sockets;
1237 }
1238 } else if (cores == 0) {
1239 threads = threads > 0 ? threads : 1;
1240 cores = cpus / (sockets * threads);
1241 } else if (threads == 0) {
1242 threads = cpus / (cores * sockets);
1243 } else if (sockets * cores * threads < cpus) {
1244 error_report("cpu topology: "
1245 "sockets (%u) * cores (%u) * threads (%u) < "
1246 "smp_cpus (%u)",
1247 sockets, cores, threads, cpus);
1248 exit(1);
1249 }
1250
1251 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1252 if (sockets * cores * threads > max_cpus) {
1253 error_report("cpu topology: "
1254 "sockets (%u) * cores (%u) * threads (%u) > "
1255 "maxcpus (%u)",
1256 sockets, cores, threads, max_cpus);
1257 exit(1);
1258 }
1259
1260 smp_cpus = cpus;
1261 smp_cores = cores > 0 ? cores : 1;
1262 smp_threads = threads > 0 ? threads : 1;
1263
1264 }
1265
1266 if (max_cpus == 0) {
1267 max_cpus = smp_cpus;
1268 }
1269
1270 if (max_cpus > MAX_CPUMASK_BITS) {
1271 error_report("unsupported number of maxcpus");
1272 exit(1);
1273 }
1274 if (max_cpus < smp_cpus) {
1275 error_report("maxcpus must be equal to or greater than smp");
1276 exit(1);
1277 }
1278
1279 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1280 Error *blocker = NULL;
1281 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1282 replay_add_blocker(blocker);
1283 }
1284}
1285
1286static void realtime_init(void)
1287{
1288 if (enable_mlock) {
1289 if (os_mlock() < 0) {
1290 error_report("locking memory failed");
1291 exit(1);
1292 }
1293 }
1294}
1295
1296
1297static void configure_msg(QemuOpts *opts)
1298{
1299 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1300}
1301
1302/***********************************************************/
1303/* Semihosting */
1304
1305typedef struct SemihostingConfig {
1306 bool enabled;
1307 SemihostingTarget target;
1308 const char **argv;
1309 int argc;
1310 const char *cmdline; /* concatenated argv */
1311} SemihostingConfig;
1312
1313static SemihostingConfig semihosting;
1314
1315bool semihosting_enabled(void)
1316{
1317 return semihosting.enabled;
1318}
1319
1320SemihostingTarget semihosting_get_target(void)
1321{
1322 return semihosting.target;
1323}
1324
1325const char *semihosting_get_arg(int i)
1326{
1327 if (i >= semihosting.argc) {
1328 return NULL;
1329 }
1330 return semihosting.argv[i];
1331}
1332
1333int semihosting_get_argc(void)
1334{
1335 return semihosting.argc;
1336}
1337
1338const char *semihosting_get_cmdline(void)
1339{
1340 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1341 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1342 }
1343 return semihosting.cmdline;
1344}
1345
1346static int add_semihosting_arg(void *opaque,
1347 const char *name, const char *val,
1348 Error **errp)
1349{
1350 SemihostingConfig *s = opaque;
1351 if (strcmp(name, "arg") == 0) {
1352 s->argc++;
1353 /* one extra element as g_strjoinv() expects NULL-terminated array */
1354 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1355 s->argv[s->argc - 1] = val;
1356 s->argv[s->argc] = NULL;
1357 }
1358 return 0;
1359}
1360
1361/* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1362static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1363{
1364 char *cmd_token;
1365
1366 /* argv[0] */
1367 add_semihosting_arg(&semihosting, "arg", file, NULL);
1368
1369 /* split -append and initialize argv[1..n] */
1370 cmd_token = strtok(g_strdup(cmd), " ");
1371 while (cmd_token) {
1372 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1373 cmd_token = strtok(NULL, " ");
1374 }
1375}
1376
1377/* Now we still need this for compatibility with XEN. */
1378bool has_igd_gfx_passthru;
1379static void igd_gfx_passthru(void)
1380{
1381 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1382}
1383
1384/***********************************************************/
1385/* USB devices */
1386
1387static int usb_device_add(const char *devname)
1388{
1389 USBDevice *dev = NULL;
1390#ifndef CONFIG_LINUX
1391 const char *p;
1392#endif
1393
1394 if (!usb_enabled()) {
1395 return -1;
1396 }
1397
1398 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1399 dev = usbdevice_create(devname);
1400 if (dev)
1401 goto done;
1402
1403 /* the other ones */
1404#ifndef CONFIG_LINUX
1405 /* only the linux version is qdev-ified, usb-bsd still needs this */
1406 if (strstart(devname, "host:", &p)) {
1407 dev = usb_host_device_open(usb_bus_find(-1), p);
1408 }
1409#endif
1410 if (!dev)
1411 return -1;
1412
1413done:
1414 return 0;
1415}
1416
1417static int usb_device_del(const char *devname)
1418{
1419 int bus_num, addr;
1420 const char *p;
1421
1422 if (strstart(devname, "host:", &p)) {
1423 return -1;
1424 }
1425
1426 if (!usb_enabled()) {
1427 return -1;
1428 }
1429
1430 p = strchr(devname, '.');
1431 if (!p)
1432 return -1;
1433 bus_num = strtoul(devname, NULL, 0);
1434 addr = strtoul(p + 1, NULL, 0);
1435
1436 return usb_device_delete_addr(bus_num, addr);
1437}
1438
1439static int usb_parse(const char *cmdline)
1440{
1441 int r;
1442 r = usb_device_add(cmdline);
1443 if (r < 0) {
1444 error_report("could not add USB device '%s'", cmdline);
1445 }
1446 return r;
1447}
1448
1449void hmp_usb_add(Monitor *mon, const QDict *qdict)
1450{
1451 const char *devname = qdict_get_str(qdict, "devname");
1452 if (usb_device_add(devname) < 0) {
1453 error_report("could not add USB device '%s'", devname);
1454 }
1455}
1456
1457void hmp_usb_del(Monitor *mon, const QDict *qdict)
1458{
1459 const char *devname = qdict_get_str(qdict, "devname");
1460 if (usb_device_del(devname) < 0) {
1461 error_report("could not delete USB device '%s'", devname);
1462 }
1463}
1464
1465/***********************************************************/
1466/* machine registration */
1467
1468MachineState *current_machine;
1469
1470static MachineClass *find_machine(const char *name)
1471{
1472 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1473 MachineClass *mc = NULL;
1474
1475 for (el = machines; el; el = el->next) {
1476 MachineClass *temp = el->data;
1477
1478 if (!strcmp(temp->name, name)) {
1479 mc = temp;
1480 break;
1481 }
1482 if (temp->alias &&
1483 !strcmp(temp->alias, name)) {
1484 mc = temp;
1485 break;
1486 }
1487 }
1488
1489 g_slist_free(machines);
1490 return mc;
1491}
1492
1493MachineClass *find_default_machine(void)
1494{
1495 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1496 MachineClass *mc = NULL;
1497
1498 for (el = machines; el; el = el->next) {
1499 MachineClass *temp = el->data;
1500
1501 if (temp->is_default) {
1502 mc = temp;
1503 break;
1504 }
1505 }
1506
1507 g_slist_free(machines);
1508 return mc;
1509}
1510
1511MachineInfoList *qmp_query_machines(Error **errp)
1512{
1513 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1514 MachineInfoList *mach_list = NULL;
1515
1516 for (el = machines; el; el = el->next) {
1517 MachineClass *mc = el->data;
1518 MachineInfoList *entry;
1519 MachineInfo *info;
1520
1521 info = g_malloc0(sizeof(*info));
1522 if (mc->is_default) {
1523 info->has_is_default = true;
1524 info->is_default = true;
1525 }
1526
1527 if (mc->alias) {
1528 info->has_alias = true;
1529 info->alias = g_strdup(mc->alias);
1530 }
1531
1532 info->name = g_strdup(mc->name);
1533 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1534
1535 entry = g_malloc0(sizeof(*entry));
1536 entry->value = info;
1537 entry->next = mach_list;
1538 mach_list = entry;
1539 }
1540
1541 g_slist_free(machines);
1542 return mach_list;
1543}
1544
1545static int machine_help_func(QemuOpts *opts, MachineState *machine)
1546{
1547 ObjectProperty *prop;
1548 ObjectPropertyIterator iter;
1549
1550 if (!qemu_opt_has_help_opt(opts)) {
1551 return 0;
1552 }
1553
1554 object_property_iter_init(&iter, OBJECT(machine));
1555 while ((prop = object_property_iter_next(&iter))) {
1556 if (!prop->set) {
1557 continue;
1558 }
1559
1560 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1561 prop->name, prop->type);
1562 if (prop->description) {
1563 error_printf(" (%s)\n", prop->description);
1564 } else {
1565 error_printf("\n");
1566 }
1567 }
1568
1569 return 1;
1570}
1571
1572/***********************************************************/
1573/* main execution loop */
1574
1575struct vm_change_state_entry {
1576 VMChangeStateHandler *cb;
1577 void *opaque;
1578 QLIST_ENTRY (vm_change_state_entry) entries;
1579};
1580
1581static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1582
1583VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1584 void *opaque)
1585{
1586 VMChangeStateEntry *e;
1587
1588 e = g_malloc0(sizeof (*e));
1589
1590 e->cb = cb;
1591 e->opaque = opaque;
1592 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1593 return e;
1594}
1595
1596void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1597{
1598 QLIST_REMOVE (e, entries);
1599 g_free (e);
1600}
1601
1602void vm_state_notify(int running, RunState state)
1603{
1604 VMChangeStateEntry *e, *next;
1605
1606 trace_vm_state_notify(running, state);
1607
1608 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1609 e->cb(e->opaque, running, state);
1610 }
1611}
1612
1613/* reset/shutdown handler */
1614
1615typedef struct QEMUResetEntry {
1616 QTAILQ_ENTRY(QEMUResetEntry) entry;
1617 QEMUResetHandler *func;
1618 void *opaque;
1619} QEMUResetEntry;
1620
1621static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1622 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1623static int reset_requested;
1624static int shutdown_requested, shutdown_signal = -1;
1625static pid_t shutdown_pid;
1626static int powerdown_requested;
1627static int debug_requested;
1628static int suspend_requested;
1629static WakeupReason wakeup_reason;
1630static NotifierList powerdown_notifiers =
1631 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1632static NotifierList suspend_notifiers =
1633 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1634static NotifierList wakeup_notifiers =
1635 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1636static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1637
1638int qemu_shutdown_requested_get(void)
1639{
1640 return shutdown_requested;
1641}
1642
1643int qemu_reset_requested_get(void)
1644{
1645 return reset_requested;
1646}
1647
1648static int qemu_shutdown_requested(void)
1649{
1650 return atomic_xchg(&shutdown_requested, 0);
1651}
1652
1653static void qemu_kill_report(void)
1654{
1655 if (!qtest_driver() && shutdown_signal != -1) {
1656 if (shutdown_pid == 0) {
1657 /* This happens for eg ^C at the terminal, so it's worth
1658 * avoiding printing an odd message in that case.
1659 */
1660 error_report("terminating on signal %d", shutdown_signal);
1661 } else {
1662 error_report("terminating on signal %d from pid " FMT_pid,
1663 shutdown_signal, shutdown_pid);
1664 }
1665 shutdown_signal = -1;
1666 }
1667}
1668
1669static int qemu_reset_requested(void)
1670{
1671 int r = reset_requested;
1672 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1673 reset_requested = 0;
1674 return r;
1675 }
1676 return false;
1677}
1678
1679static int qemu_suspend_requested(void)
1680{
1681 int r = suspend_requested;
1682 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1683 suspend_requested = 0;
1684 return r;
1685 }
1686 return false;
1687}
1688
1689static WakeupReason qemu_wakeup_requested(void)
1690{
1691 return wakeup_reason;
1692}
1693
1694static int qemu_powerdown_requested(void)
1695{
1696 int r = powerdown_requested;
1697 powerdown_requested = 0;
1698 return r;
1699}
1700
1701static int qemu_debug_requested(void)
1702{
1703 int r = debug_requested;
1704 debug_requested = 0;
1705 return r;
1706}
1707
1708void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1709{
1710 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1711
1712 re->func = func;
1713 re->opaque = opaque;
1714 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1715}
1716
1717void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1718{
1719 QEMUResetEntry *re;
1720
1721 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1722 if (re->func == func && re->opaque == opaque) {
1723 QTAILQ_REMOVE(&reset_handlers, re, entry);
1724 g_free(re);
1725 return;
1726 }
1727 }
1728}
1729
1730void qemu_devices_reset(void)
1731{
1732 QEMUResetEntry *re, *nre;
1733
1734 /* reset all devices */
1735 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1736 re->func(re->opaque);
1737 }
1738}
1739
1740void qemu_system_reset(bool report)
1741{
1742 MachineClass *mc;
1743
1744 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1745
1746 cpu_synchronize_all_states();
1747
1748 if (mc && mc->reset) {
1749 mc->reset();
1750 } else {
1751 qemu_devices_reset();
1752 }
1753 if (report) {
1754 qapi_event_send_reset(&error_abort);
1755 }
1756 cpu_synchronize_all_post_reset();
1757}
1758
1759void qemu_system_guest_panicked(void)
1760{
1761 if (current_cpu) {
1762 current_cpu->crash_occurred = true;
1763 }
1764 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1765 vm_stop(RUN_STATE_GUEST_PANICKED);
1766}
1767
1768void qemu_system_reset_request(void)
1769{
1770 if (no_reboot) {
1771 shutdown_requested = 1;
1772 } else {
1773 reset_requested = 1;
1774 }
1775 cpu_stop_current();
1776 qemu_notify_event();
1777}
1778
1779static void qemu_system_suspend(void)
1780{
1781 pause_all_vcpus();
1782 notifier_list_notify(&suspend_notifiers, NULL);
1783 runstate_set(RUN_STATE_SUSPENDED);
1784 qapi_event_send_suspend(&error_abort);
1785}
1786
1787void qemu_system_suspend_request(void)
1788{
1789 if (runstate_check(RUN_STATE_SUSPENDED)) {
1790 return;
1791 }
1792 suspend_requested = 1;
1793 cpu_stop_current();
1794 qemu_notify_event();
1795}
1796
1797void qemu_register_suspend_notifier(Notifier *notifier)
1798{
1799 notifier_list_add(&suspend_notifiers, notifier);
1800}
1801
1802void qemu_system_wakeup_request(WakeupReason reason)
1803{
1804 trace_system_wakeup_request(reason);
1805
1806 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1807 return;
1808 }
1809 if (!(wakeup_reason_mask & (1 << reason))) {
1810 return;
1811 }
1812 runstate_set(RUN_STATE_RUNNING);
1813 wakeup_reason = reason;
1814 qemu_notify_event();
1815}
1816
1817void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1818{
1819 if (enabled) {
1820 wakeup_reason_mask |= (1 << reason);
1821 } else {
1822 wakeup_reason_mask &= ~(1 << reason);
1823 }
1824}
1825
1826void qemu_register_wakeup_notifier(Notifier *notifier)
1827{
1828 notifier_list_add(&wakeup_notifiers, notifier);
1829}
1830
1831void qemu_system_killed(int signal, pid_t pid)
1832{
1833 shutdown_signal = signal;
1834 shutdown_pid = pid;
1835 no_shutdown = 0;
1836
1837 /* Cannot call qemu_system_shutdown_request directly because
1838 * we are in a signal handler.
1839 */
1840 shutdown_requested = 1;
1841 qemu_notify_event();
1842}
1843
1844void qemu_system_shutdown_request(void)
1845{
1846 trace_qemu_system_shutdown_request();
1847 replay_shutdown_request();
1848 shutdown_requested = 1;
1849 qemu_notify_event();
1850}
1851
1852static void qemu_system_powerdown(void)
1853{
1854 qapi_event_send_powerdown(&error_abort);
1855 notifier_list_notify(&powerdown_notifiers, NULL);
1856}
1857
1858void qemu_system_powerdown_request(void)
1859{
1860 trace_qemu_system_powerdown_request();
1861 powerdown_requested = 1;
1862 qemu_notify_event();
1863}
1864
1865void qemu_register_powerdown_notifier(Notifier *notifier)
1866{
1867 notifier_list_add(&powerdown_notifiers, notifier);
1868}
1869
1870void qemu_system_debug_request(void)
1871{
1872 debug_requested = 1;
1873 qemu_notify_event();
1874}
1875
1876static bool main_loop_should_exit(void)
1877{
1878 RunState r;
1879 if (qemu_debug_requested()) {
1880 vm_stop(RUN_STATE_DEBUG);
1881 }
1882 if (qemu_suspend_requested()) {
1883 qemu_system_suspend();
1884 }
1885 if (qemu_shutdown_requested()) {
1886 qemu_kill_report();
1887 qapi_event_send_shutdown(&error_abort);
1888 if (no_shutdown) {
1889 vm_stop(RUN_STATE_SHUTDOWN);
1890 } else {
1891 return true;
1892 }
1893 }
1894 if (qemu_reset_requested()) {
1895 pause_all_vcpus();
1896 qemu_system_reset(VMRESET_REPORT);
1897 resume_all_vcpus();
1898 if (!runstate_check(RUN_STATE_RUNNING) &&
1899 !runstate_check(RUN_STATE_INMIGRATE)) {
1900 runstate_set(RUN_STATE_PRELAUNCH);
1901 }
1902 }
1903 if (qemu_wakeup_requested()) {
1904 pause_all_vcpus();
1905 qemu_system_reset(VMRESET_SILENT);
1906 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1907 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1908 resume_all_vcpus();
1909 qapi_event_send_wakeup(&error_abort);
1910 }
1911 if (qemu_powerdown_requested()) {
1912 qemu_system_powerdown();
1913 }
1914 if (qemu_vmstop_requested(&r)) {
1915 vm_stop(r);
1916 }
1917 return false;
1918}
1919
1920static void main_loop(void)
1921{
1922 bool nonblocking;
1923 int last_io = 0;
1924#ifdef CONFIG_PROFILER
1925 int64_t ti;
1926#endif
1927 do {
1928 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1929#ifdef CONFIG_PROFILER
1930 ti = profile_getclock();
1931#endif
1932 last_io = main_loop_wait(nonblocking);
1933#ifdef CONFIG_PROFILER
1934 dev_time += profile_getclock() - ti;
1935#endif
1936 } while (!main_loop_should_exit());
1937}
1938
1939static void version(void)
1940{
1941 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1942}
1943
1944static void help(int exitcode)
1945{
1946 version();
1947 printf("usage: %s [options] [disk_image]\n\n"
1948 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1949 error_get_progname());
1950
1951#define QEMU_OPTIONS_GENERATE_HELP
1952#include "qemu-options-wrapper.h"
1953
1954 printf("\nDuring emulation, the following keys are useful:\n"
1955 "ctrl-alt-f toggle full screen\n"
1956 "ctrl-alt-n switch to virtual console 'n'\n"
1957 "ctrl-alt toggle mouse and keyboard grab\n"
1958 "\n"
1959 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1960
1961 exit(exitcode);
1962}
1963
1964#define HAS_ARG 0x0001
1965
1966typedef struct QEMUOption {
1967 const char *name;
1968 int flags;
1969 int index;
1970 uint32_t arch_mask;
1971} QEMUOption;
1972
1973static const QEMUOption qemu_options[] = {
1974 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1975#define QEMU_OPTIONS_GENERATE_OPTIONS
1976#include "qemu-options-wrapper.h"
1977 { NULL },
1978};
1979
1980typedef struct VGAInterfaceInfo {
1981 const char *opt_name; /* option name */
1982 const char *name; /* human-readable name */
1983 /* Class names indicating that support is available.
1984 * If no class is specified, the interface is always available */
1985 const char *class_names[2];
1986} VGAInterfaceInfo;
1987
1988static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1989 [VGA_NONE] = {
1990 .opt_name = "none",
1991 },
1992 [VGA_STD] = {
1993 .opt_name = "std",
1994 .name = "standard VGA",
1995 .class_names = { "VGA", "isa-vga" },
1996 },
1997 [VGA_CIRRUS] = {
1998 .opt_name = "cirrus",
1999 .name = "Cirrus VGA",
2000 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2001 },
2002 [VGA_VMWARE] = {
2003 .opt_name = "vmware",
2004 .name = "VMWare SVGA",
2005 .class_names = { "vmware-svga" },
2006 },
2007 [VGA_VIRTIO] = {
2008 .opt_name = "virtio",
2009 .name = "Virtio VGA",
2010 .class_names = { "virtio-vga" },
2011 },
2012 [VGA_QXL] = {
2013 .opt_name = "qxl",
2014 .name = "QXL VGA",
2015 .class_names = { "qxl-vga" },
2016 },
2017 [VGA_TCX] = {
2018 .opt_name = "tcx",
2019 .name = "TCX framebuffer",
2020 .class_names = { "SUNW,tcx" },
2021 },
2022 [VGA_CG3] = {
2023 .opt_name = "cg3",
2024 .name = "CG3 framebuffer",
2025 .class_names = { "cgthree" },
2026 },
2027 [VGA_XENFB] = {
2028 .opt_name = "xenfb",
2029 },
2030};
2031
2032static bool vga_interface_available(VGAInterfaceType t)
2033{
2034 VGAInterfaceInfo *ti = &vga_interfaces[t];
2035
2036 assert(t < VGA_TYPE_MAX);
2037 return !ti->class_names[0] ||
2038 object_class_by_name(ti->class_names[0]) ||
2039 object_class_by_name(ti->class_names[1]);
2040}
2041
2042static void select_vgahw(const char *p)
2043{
2044 const char *opts;
2045 int t;
2046
2047 assert(vga_interface_type == VGA_NONE);
2048 for (t = 0; t < VGA_TYPE_MAX; t++) {
2049 VGAInterfaceInfo *ti = &vga_interfaces[t];
2050 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2051 if (!vga_interface_available(t)) {
2052 error_report("%s not available", ti->name);
2053 exit(1);
2054 }
2055 vga_interface_type = t;
2056 break;
2057 }
2058 }
2059 if (t == VGA_TYPE_MAX) {
2060 invalid_vga:
2061 error_report("unknown vga type: %s", p);
2062 exit(1);
2063 }
2064 while (*opts) {
2065 const char *nextopt;
2066
2067 if (strstart(opts, ",retrace=", &nextopt)) {
2068 opts = nextopt;
2069 if (strstart(opts, "dumb", &nextopt))
2070 vga_retrace_method = VGA_RETRACE_DUMB;
2071 else if (strstart(opts, "precise", &nextopt))
2072 vga_retrace_method = VGA_RETRACE_PRECISE;
2073 else goto invalid_vga;
2074 } else goto invalid_vga;
2075 opts = nextopt;
2076 }
2077}
2078
2079typedef enum DisplayType {
2080 DT_DEFAULT,
2081 DT_CURSES,
2082 DT_SDL,
2083 DT_COCOA,
2084 DT_GTK,
2085 DT_NONE,
2086} DisplayType;
2087
2088static DisplayType select_display(const char *p)
2089{
2090 const char *opts;
2091 DisplayType display = DT_DEFAULT;
2092
2093 if (strstart(p, "sdl", &opts)) {
2094#ifdef CONFIG_SDL
2095 display = DT_SDL;
2096 while (*opts) {
2097 const char *nextopt;
2098
2099 if (strstart(opts, ",frame=", &nextopt)) {
2100 opts = nextopt;
2101 if (strstart(opts, "on", &nextopt)) {
2102 no_frame = 0;
2103 } else if (strstart(opts, "off", &nextopt)) {
2104 no_frame = 1;
2105 } else {
2106 goto invalid_sdl_args;
2107 }
2108 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2109 opts = nextopt;
2110 if (strstart(opts, "on", &nextopt)) {
2111 alt_grab = 1;
2112 } else if (strstart(opts, "off", &nextopt)) {
2113 alt_grab = 0;
2114 } else {
2115 goto invalid_sdl_args;
2116 }
2117 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2118 opts = nextopt;
2119 if (strstart(opts, "on", &nextopt)) {
2120 ctrl_grab = 1;
2121 } else if (strstart(opts, "off", &nextopt)) {
2122 ctrl_grab = 0;
2123 } else {
2124 goto invalid_sdl_args;
2125 }
2126 } else if (strstart(opts, ",window_close=", &nextopt)) {
2127 opts = nextopt;
2128 if (strstart(opts, "on", &nextopt)) {
2129 no_quit = 0;
2130 } else if (strstart(opts, "off", &nextopt)) {
2131 no_quit = 1;
2132 } else {
2133 goto invalid_sdl_args;
2134 }
2135 } else if (strstart(opts, ",gl=", &nextopt)) {
2136 opts = nextopt;
2137 if (strstart(opts, "on", &nextopt)) {
2138 request_opengl = 1;
2139 } else if (strstart(opts, "off", &nextopt)) {
2140 request_opengl = 0;
2141 } else {
2142 goto invalid_sdl_args;
2143 }
2144 } else {
2145 invalid_sdl_args:
2146 error_report("invalid SDL option string");
2147 exit(1);
2148 }
2149 opts = nextopt;
2150 }
2151#else
2152 error_report("SDL support is disabled");
2153 exit(1);
2154#endif
2155 } else if (strstart(p, "vnc", &opts)) {
2156 if (*opts == '=') {
2157 Error *err = NULL;
2158 if (vnc_parse(opts + 1, &err) == NULL) {
2159 error_report_err(err);
2160 exit(1);
2161 }
2162 } else {
2163 error_report("VNC requires a display argument vnc=<display>");
2164 exit(1);
2165 }
2166 } else if (strstart(p, "curses", &opts)) {
2167#ifdef CONFIG_CURSES
2168 display = DT_CURSES;
2169#else
2170 error_report("curses support is disabled");
2171 exit(1);
2172#endif
2173 } else if (strstart(p, "gtk", &opts)) {
2174#ifdef CONFIG_GTK
2175 display = DT_GTK;
2176 while (*opts) {
2177 const char *nextopt;
2178
2179 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2180 opts = nextopt;
2181 if (strstart(opts, "on", &nextopt)) {
2182 grab_on_hover = true;
2183 } else if (strstart(opts, "off", &nextopt)) {
2184 grab_on_hover = false;
2185 } else {
2186 goto invalid_gtk_args;
2187 }
2188 } else if (strstart(opts, ",gl=", &nextopt)) {
2189 opts = nextopt;
2190 if (strstart(opts, "on", &nextopt)) {
2191 request_opengl = 1;
2192 } else if (strstart(opts, "off", &nextopt)) {
2193 request_opengl = 0;
2194 } else {
2195 goto invalid_gtk_args;
2196 }
2197 } else {
2198 invalid_gtk_args:
2199 error_report("invalid GTK option string");
2200 exit(1);
2201 }
2202 opts = nextopt;
2203 }
2204#else
2205 error_report("GTK support is disabled");
2206 exit(1);
2207#endif
2208 } else if (strstart(p, "none", &opts)) {
2209 display = DT_NONE;
2210 } else {
2211 error_report("unknown display type");
2212 exit(1);
2213 }
2214
2215 return display;
2216}
2217
2218static int balloon_parse(const char *arg)
2219{
2220 QemuOpts *opts;
2221
2222 if (strcmp(arg, "none") == 0) {
2223 return 0;
2224 }
2225
2226 if (!strncmp(arg, "virtio", 6)) {
2227 if (arg[6] == ',') {
2228 /* have params -> parse them */
2229 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2230 false);
2231 if (!opts)
2232 return -1;
2233 } else {
2234 /* create empty opts */
2235 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2236 &error_abort);
2237 }
2238 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2239 return 0;
2240 }
2241
2242 return -1;
2243}
2244
2245char *qemu_find_file(int type, const char *name)
2246{
2247 int i;
2248 const char *subdir;
2249 char *buf;
2250
2251 /* Try the name as a straight path first */
2252 if (access(name, R_OK) == 0) {
2253 trace_load_file(name, name);
2254 return g_strdup(name);
2255 }
2256
2257 switch (type) {
2258 case QEMU_FILE_TYPE_BIOS:
2259 subdir = "";
2260 break;
2261 case QEMU_FILE_TYPE_KEYMAP:
2262 subdir = "keymaps/";
2263 break;
2264 default:
2265 abort();
2266 }
2267
2268 for (i = 0; i < data_dir_idx; i++) {
2269 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2270 if (access(buf, R_OK) == 0) {
2271 trace_load_file(name, buf);
2272 return buf;
2273 }
2274 g_free(buf);
2275 }
2276 return NULL;
2277}
2278
2279static inline bool nonempty_str(const char *str)
2280{
2281 return str && *str;
2282}
2283
2284static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2285{
2286 gchar *buf;
2287 size_t size;
2288 const char *name, *file, *str;
2289 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2290
2291 if (fw_cfg == NULL) {
2292 error_report("fw_cfg device not available");
2293 return -1;
2294 }
2295 name = qemu_opt_get(opts, "name");
2296 file = qemu_opt_get(opts, "file");
2297 str = qemu_opt_get(opts, "string");
2298
2299 /* we need name and either a file or the content string */
2300 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2301 error_report("invalid argument(s)");
2302 return -1;
2303 }
2304 if (nonempty_str(file) && nonempty_str(str)) {
2305 error_report("file and string are mutually exclusive");
2306 return -1;
2307 }
2308 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2309 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2310 return -1;
2311 }
2312 if (strncmp(name, "opt/", 4) != 0) {
2313 error_report("warning: externally provided fw_cfg item names "
2314 "should be prefixed with \"opt/\"");
2315 }
2316 if (nonempty_str(str)) {
2317 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2318 buf = g_memdup(str, size);
2319 } else {
2320 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2321 error_report("can't load %s", file);
2322 return -1;
2323 }
2324 }
2325 /* For legacy, keep user files in a specific global order. */
2326 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2327 fw_cfg_add_file(fw_cfg, name, buf, size);
2328 fw_cfg_reset_order_override(fw_cfg);
2329 return 0;
2330}
2331
2332static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2333{
2334 return qdev_device_help(opts);
2335}
2336
2337static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2338{
2339 Error *err = NULL;
2340 DeviceState *dev;
2341
2342 dev = qdev_device_add(opts, &err);
2343 if (!dev) {
2344 error_report_err(err);
2345 return -1;
2346 }
2347 object_unref(OBJECT(dev));
2348 return 0;
2349}
2350
2351static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2352{
2353 Error *local_err = NULL;
2354
2355 qemu_chr_new_from_opts(opts, NULL, &local_err);
2356 if (local_err) {
2357 error_report_err(local_err);
2358 return -1;
2359 }
2360 return 0;
2361}
2362
2363#ifdef CONFIG_VIRTFS
2364static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2365{
2366 int ret;
2367 ret = qemu_fsdev_add(opts);
2368
2369 return ret;
2370}
2371#endif
2372
2373static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2374{
2375 CharDriverState *chr;
2376 const char *chardev;
2377 const char *mode;
2378 int flags;
2379
2380 mode = qemu_opt_get(opts, "mode");
2381 if (mode == NULL) {
2382 mode = "readline";
2383 }
2384 if (strcmp(mode, "readline") == 0) {
2385 flags = MONITOR_USE_READLINE;
2386 } else if (strcmp(mode, "control") == 0) {
2387 flags = MONITOR_USE_CONTROL;
2388 } else {
2389 error_report("unknown monitor mode \"%s\"", mode);
2390 exit(1);
2391 }
2392
2393 if (qemu_opt_get_bool(opts, "pretty", 0))
2394 flags |= MONITOR_USE_PRETTY;
2395
2396 if (qemu_opt_get_bool(opts, "default", 0))
2397 flags |= MONITOR_IS_DEFAULT;
2398
2399 chardev = qemu_opt_get(opts, "chardev");
2400 chr = qemu_chr_find(chardev);
2401 if (chr == NULL) {
2402 error_report("chardev \"%s\" not found", chardev);
2403 exit(1);
2404 }
2405
2406 qemu_chr_fe_claim_no_fail(chr);
2407 monitor_init(chr, flags);
2408 return 0;
2409}
2410
2411static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2412{
2413 static int monitor_device_index = 0;
2414 Error *local_err = NULL;
2415 QemuOpts *opts;
2416 const char *p;
2417 char label[32];
2418 int def = 0;
2419
2420 if (strstart(optarg, "chardev:", &p)) {
2421 snprintf(label, sizeof(label), "%s", p);
2422 } else {
2423 snprintf(label, sizeof(label), "compat_monitor%d",
2424 monitor_device_index);
2425 if (monitor_device_index == 0) {
2426 def = 1;
2427 }
2428 opts = qemu_chr_parse_compat(label, optarg);
2429 if (!opts) {
2430 error_report("parse error: %s", optarg);
2431 exit(1);
2432 }
2433 }
2434
2435 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2436 if (!opts) {
2437 error_report_err(local_err);
2438 exit(1);
2439 }
2440 qemu_opt_set(opts, "mode", mode, &error_abort);
2441 qemu_opt_set(opts, "chardev", label, &error_abort);
2442 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2443 if (def)
2444 qemu_opt_set(opts, "default", "on", &error_abort);
2445 monitor_device_index++;
2446}
2447
2448struct device_config {
2449 enum {
2450 DEV_USB, /* -usbdevice */
2451 DEV_BT, /* -bt */
2452 DEV_SERIAL, /* -serial */
2453 DEV_PARALLEL, /* -parallel */
2454 DEV_VIRTCON, /* -virtioconsole */
2455 DEV_DEBUGCON, /* -debugcon */
2456 DEV_GDB, /* -gdb, -s */
2457 DEV_SCLP, /* s390 sclp */
2458 } type;
2459 const char *cmdline;
2460 Location loc;
2461 QTAILQ_ENTRY(device_config) next;
2462};
2463
2464static QTAILQ_HEAD(, device_config) device_configs =
2465 QTAILQ_HEAD_INITIALIZER(device_configs);
2466
2467static void add_device_config(int type, const char *cmdline)
2468{
2469 struct device_config *conf;
2470
2471 conf = g_malloc0(sizeof(*conf));
2472 conf->type = type;
2473 conf->cmdline = cmdline;
2474 loc_save(&conf->loc);
2475 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2476}
2477
2478static int foreach_device_config(int type, int (*func)(const char *cmdline))
2479{
2480 struct device_config *conf;
2481 int rc;
2482
2483 QTAILQ_FOREACH(conf, &device_configs, next) {
2484 if (conf->type != type)
2485 continue;
2486 loc_push_restore(&conf->loc);
2487 rc = func(conf->cmdline);
2488 loc_pop(&conf->loc);
2489 if (rc) {
2490 return rc;
2491 }
2492 }
2493 return 0;
2494}
2495
2496static int serial_parse(const char *devname)
2497{
2498 static int index = 0;
2499 char label[32];
2500
2501 if (strcmp(devname, "none") == 0)
2502 return 0;
2503 if (index == MAX_SERIAL_PORTS) {
2504 error_report("too many serial ports");
2505 exit(1);
2506 }
2507 snprintf(label, sizeof(label), "serial%d", index);
2508 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2509 if (!serial_hds[index]) {
2510 error_report("could not connect serial device"
2511 " to character backend '%s'", devname);
2512 return -1;
2513 }
2514 index++;
2515 return 0;
2516}
2517
2518static int parallel_parse(const char *devname)
2519{
2520 static int index = 0;
2521 char label[32];
2522
2523 if (strcmp(devname, "none") == 0)
2524 return 0;
2525 if (index == MAX_PARALLEL_PORTS) {
2526 error_report("too many parallel ports");
2527 exit(1);
2528 }
2529 snprintf(label, sizeof(label), "parallel%d", index);
2530 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2531 if (!parallel_hds[index]) {
2532 error_report("could not connect parallel device"
2533 " to character backend '%s'", devname);
2534 return -1;
2535 }
2536 index++;
2537 return 0;
2538}
2539
2540static int virtcon_parse(const char *devname)
2541{
2542 QemuOptsList *device = qemu_find_opts("device");
2543 static int index = 0;
2544 char label[32];
2545 QemuOpts *bus_opts, *dev_opts;
2546
2547 if (strcmp(devname, "none") == 0)
2548 return 0;
2549 if (index == MAX_VIRTIO_CONSOLES) {
2550 error_report("too many virtio consoles");
2551 exit(1);
2552 }
2553
2554 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2555 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2556
2557 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2558 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2559
2560 snprintf(label, sizeof(label), "virtcon%d", index);
2561 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2562 if (!virtcon_hds[index]) {
2563 error_report("could not connect virtio console"
2564 " to character backend '%s'", devname);
2565 return -1;
2566 }
2567 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2568
2569 index++;
2570 return 0;
2571}
2572
2573static int sclp_parse(const char *devname)
2574{
2575 QemuOptsList *device = qemu_find_opts("device");
2576 static int index = 0;
2577 char label[32];
2578 QemuOpts *dev_opts;
2579
2580 if (strcmp(devname, "none") == 0) {
2581 return 0;
2582 }
2583 if (index == MAX_SCLP_CONSOLES) {
2584 error_report("too many sclp consoles");
2585 exit(1);
2586 }
2587
2588 assert(arch_type == QEMU_ARCH_S390X);
2589
2590 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2591 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2592
2593 snprintf(label, sizeof(label), "sclpcon%d", index);
2594 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2595 if (!sclp_hds[index]) {
2596 error_report("could not connect sclp console"
2597 " to character backend '%s'", devname);
2598 return -1;
2599 }
2600 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2601
2602 index++;
2603 return 0;
2604}
2605
2606static int debugcon_parse(const char *devname)
2607{
2608 QemuOpts *opts;
2609
2610 if (!qemu_chr_new("debugcon", devname, NULL)) {
2611 exit(1);
2612 }
2613 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2614 if (!opts) {
2615 error_report("already have a debugcon device");
2616 exit(1);
2617 }
2618 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2619 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2620 return 0;
2621}
2622
2623static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2624{
2625 const MachineClass *mc1 = a, *mc2 = b;
2626 int res;
2627
2628 if (mc1->family == NULL) {
2629 if (mc2->family == NULL) {
2630 /* Compare standalone machine types against each other; they sort
2631 * in increasing order.
2632 */
2633 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2634 object_class_get_name(OBJECT_CLASS(mc2)));
2635 }
2636
2637 /* Standalone machine types sort after families. */
2638 return 1;
2639 }
2640
2641 if (mc2->family == NULL) {
2642 /* Families sort before standalone machine types. */
2643 return -1;
2644 }
2645
2646 /* Families sort between each other alphabetically increasingly. */
2647 res = strcmp(mc1->family, mc2->family);
2648 if (res != 0) {
2649 return res;
2650 }
2651
2652 /* Within the same family, machine types sort in decreasing order. */
2653 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2654 object_class_get_name(OBJECT_CLASS(mc1)));
2655}
2656
2657 static MachineClass *machine_parse(const char *name)
2658{
2659 MachineClass *mc = NULL;
2660 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2661
2662 if (name) {
2663 mc = find_machine(name);
2664 }
2665 if (mc) {
2666 g_slist_free(machines);
2667 return mc;
2668 }
2669 if (name && !is_help_option(name)) {
2670 error_report("unsupported machine type");
2671 error_printf("Use -machine help to list supported machines\n");
2672 } else {
2673 printf("Supported machines are:\n");
2674 machines = g_slist_sort(machines, machine_class_cmp);
2675 for (el = machines; el; el = el->next) {
2676 MachineClass *mc = el->data;
2677 if (mc->alias) {
2678 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2679 }
2680 printf("%-20s %s%s\n", mc->name, mc->desc,
2681 mc->is_default ? " (default)" : "");
2682 }
2683 }
2684
2685 g_slist_free(machines);
2686 exit(!name || !is_help_option(name));
2687}
2688
2689void qemu_add_exit_notifier(Notifier *notify)
2690{
2691 notifier_list_add(&exit_notifiers, notify);
2692}
2693
2694void qemu_remove_exit_notifier(Notifier *notify)
2695{
2696 notifier_remove(notify);
2697}
2698
2699static void qemu_run_exit_notifiers(void)
2700{
2701 notifier_list_notify(&exit_notifiers, NULL);
2702}
2703
2704static bool machine_init_done;
2705
2706void qemu_add_machine_init_done_notifier(Notifier *notify)
2707{
2708 notifier_list_add(&machine_init_done_notifiers, notify);
2709 if (machine_init_done) {
2710 notify->notify(notify, NULL);
2711 }
2712}
2713
2714static void qemu_run_machine_init_done_notifiers(void)
2715{
2716 notifier_list_notify(&machine_init_done_notifiers, NULL);
2717 machine_init_done = true;
2718}
2719
2720static const QEMUOption *lookup_opt(int argc, char **argv,
2721 const char **poptarg, int *poptind)
2722{
2723 const QEMUOption *popt;
2724 int optind = *poptind;
2725 char *r = argv[optind];
2726 const char *optarg;
2727
2728 loc_set_cmdline(argv, optind, 1);
2729 optind++;
2730 /* Treat --foo the same as -foo. */
2731 if (r[1] == '-')
2732 r++;
2733 popt = qemu_options;
2734 for(;;) {
2735 if (!popt->name) {
2736 error_report("invalid option");
2737 exit(1);
2738 }
2739 if (!strcmp(popt->name, r + 1))
2740 break;
2741 popt++;
2742 }
2743 if (popt->flags & HAS_ARG) {
2744 if (optind >= argc) {
2745 error_report("requires an argument");
2746 exit(1);
2747 }
2748 optarg = argv[optind++];
2749 loc_set_cmdline(argv, optind - 2, 2);
2750 } else {
2751 optarg = NULL;
2752 }
2753
2754 *poptarg = optarg;
2755 *poptind = optind;
2756
2757 return popt;
2758}
2759
2760static MachineClass *select_machine(void)
2761{
2762 MachineClass *machine_class = find_default_machine();
2763 const char *optarg;
2764 QemuOpts *opts;
2765 Location loc;
2766
2767 loc_push_none(&loc);
2768
2769 opts = qemu_get_machine_opts();
2770 qemu_opts_loc_restore(opts);
2771
2772 optarg = qemu_opt_get(opts, "type");
2773 if (optarg) {
2774 machine_class = machine_parse(optarg);
2775 }
2776
2777 if (!machine_class) {
2778 error_report("No machine specified, and there is no default");
2779 error_printf("Use -machine help to list supported machines\n");
2780 exit(1);
2781 }
2782
2783 loc_pop(&loc);
2784 return machine_class;
2785}
2786
2787static int machine_set_property(void *opaque,
2788 const char *name, const char *value,
2789 Error **errp)
2790{
2791 Object *obj = OBJECT(opaque);
2792 Error *local_err = NULL;
2793 char *c, *qom_name;
2794
2795 if (strcmp(name, "type") == 0) {
2796 return 0;
2797 }
2798
2799 qom_name = g_strdup(name);
2800 c = qom_name;
2801 while (*c++) {
2802 if (*c == '_') {
2803 *c = '-';
2804 }
2805 }
2806
2807 object_property_parse(obj, value, qom_name, &local_err);
2808 g_free(qom_name);
2809
2810 if (local_err) {
2811 error_report_err(local_err);
2812 return -1;
2813 }
2814
2815 return 0;
2816}
2817
2818
2819/*
2820 * Initial object creation happens before all other
2821 * QEMU data types are created. The majority of objects
2822 * can be created at this point. The rng-egd object
2823 * cannot be created here, as it depends on the chardev
2824 * already existing.
2825 */
2826static bool object_create_initial(const char *type)
2827{
2828 if (g_str_equal(type, "rng-egd")) {
2829 return false;
2830 }
2831
2832 /*
2833 * return false for concrete netfilters since
2834 * they depend on netdevs already existing
2835 */
2836 if (g_str_equal(type, "filter-buffer") ||
2837 g_str_equal(type, "filter-dump") ||
2838 g_str_equal(type, "filter-mirror") ||
2839 g_str_equal(type, "filter-redirector")) {
2840 return false;
2841 }
2842
2843 return true;
2844}
2845
2846
2847/*
2848 * The remainder of object creation happens after the
2849 * creation of chardev, fsdev, net clients and device data types.
2850 */
2851static bool object_create_delayed(const char *type)
2852{
2853 return !object_create_initial(type);
2854}
2855
2856
2857static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2858 MachineClass *mc)
2859{
2860 uint64_t sz;
2861 const char *mem_str;
2862 const char *maxmem_str, *slots_str;
2863 const ram_addr_t default_ram_size = mc->default_ram_size;
2864 QemuOpts *opts = qemu_find_opts_singleton("memory");
2865 Location loc;
2866
2867 loc_push_none(&loc);
2868 qemu_opts_loc_restore(opts);
2869
2870 sz = 0;
2871 mem_str = qemu_opt_get(opts, "size");
2872 if (mem_str) {
2873 if (!*mem_str) {
2874 error_report("missing 'size' option value");
2875 exit(EXIT_FAILURE);
2876 }
2877
2878 sz = qemu_opt_get_size(opts, "size", ram_size);
2879
2880 /* Fix up legacy suffix-less format */
2881 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2882 uint64_t overflow_check = sz;
2883
2884 sz <<= 20;
2885 if ((sz >> 20) != overflow_check) {
2886 error_report("too large 'size' option value");
2887 exit(EXIT_FAILURE);
2888 }
2889 }
2890 }
2891
2892 /* backward compatibility behaviour for case "-m 0" */
2893 if (sz == 0) {
2894 sz = default_ram_size;
2895 }
2896
2897 sz = QEMU_ALIGN_UP(sz, 8192);
2898 ram_size = sz;
2899 if (ram_size != sz) {
2900 error_report("ram size too large");
2901 exit(EXIT_FAILURE);
2902 }
2903
2904 /* store value for the future use */
2905 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2906 *maxram_size = ram_size;
2907
2908 maxmem_str = qemu_opt_get(opts, "maxmem");
2909 slots_str = qemu_opt_get(opts, "slots");
2910 if (maxmem_str && slots_str) {
2911 uint64_t slots;
2912
2913 sz = qemu_opt_get_size(opts, "maxmem", 0);
2914 slots = qemu_opt_get_number(opts, "slots", 0);
2915 if (sz < ram_size) {
2916 error_report("invalid value of -m option maxmem: "
2917 "maximum memory size (0x%" PRIx64 ") must be at least "
2918 "the initial memory size (0x" RAM_ADDR_FMT ")",
2919 sz, ram_size);
2920 exit(EXIT_FAILURE);
2921 } else if (sz > ram_size) {
2922 if (!slots) {
2923 error_report("invalid value of -m option: maxmem was "
2924 "specified, but no hotplug slots were specified");
2925 exit(EXIT_FAILURE);
2926 }
2927 } else if (slots) {
2928 error_report("invalid value of -m option maxmem: "
2929 "memory slots were specified but maximum memory size "
2930 "(0x%" PRIx64 ") is equal to the initial memory size "
2931 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2932 exit(EXIT_FAILURE);
2933 }
2934
2935 *maxram_size = sz;
2936 *ram_slots = slots;
2937 } else if ((!maxmem_str && slots_str) ||
2938 (maxmem_str && !slots_str)) {
2939 error_report("invalid -m option value: missing "
2940 "'%s' option", slots_str ? "maxmem" : "slots");
2941 exit(EXIT_FAILURE);
2942 }
2943
2944 loc_pop(&loc);
2945}
2946
2947int main(int argc, char **argv, char **envp)
2948{
2949 int i;
2950 int snapshot, linux_boot;
2951 const char *initrd_filename;
2952 const char *kernel_filename, *kernel_cmdline;
2953 const char *boot_order = NULL;
2954 const char *boot_once = NULL;
2955 DisplayState *ds;
2956 int cyls, heads, secs, translation;
2957 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2958 QemuOptsList *olist;
2959 int optind;
2960 const char *optarg;
2961 const char *loadvm = NULL;
2962 MachineClass *machine_class;
2963 const char *cpu_model;
2964 const char *vga_model = NULL;
2965 const char *qtest_chrdev = NULL;
2966 const char *qtest_log = NULL;
2967 const char *pid_file = NULL;
2968 const char *incoming = NULL;
2969 int show_vnc_port = 0;
2970 bool defconfig = true;
2971 bool userconfig = true;
2972 bool nographic = false;
2973 DisplayType display_type = DT_DEFAULT;
2974 int display_remote = 0;
2975 const char *log_mask = NULL;
2976 const char *log_file = NULL;
2977 char *trace_file = NULL;
2978 ram_addr_t maxram_size;
2979 uint64_t ram_slots = 0;
2980 FILE *vmstate_dump_file = NULL;
2981 Error *main_loop_err = NULL;
2982 Error *err = NULL;
2983
2984 qemu_init_cpu_loop();
2985 qemu_mutex_lock_iothread();
2986
2987 atexit(qemu_run_exit_notifiers);
2988 error_set_progname(argv[0]);
2989 qemu_init_exec_dir(argv[0]);
2990
2991 module_call_init(MODULE_INIT_QOM);
2992
2993 qemu_add_opts(&qemu_drive_opts);
2994 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2995 qemu_add_drive_opts(&qemu_common_drive_opts);
2996 qemu_add_drive_opts(&qemu_drive_opts);
2997 qemu_add_opts(&qemu_chardev_opts);
2998 qemu_add_opts(&qemu_device_opts);
2999 qemu_add_opts(&qemu_netdev_opts);
3000 qemu_add_opts(&qemu_net_opts);
3001 qemu_add_opts(&qemu_rtc_opts);
3002 qemu_add_opts(&qemu_global_opts);
3003 qemu_add_opts(&qemu_mon_opts);
3004 qemu_add_opts(&qemu_trace_opts);
3005 qemu_add_opts(&qemu_option_rom_opts);
3006 qemu_add_opts(&qemu_machine_opts);
3007 qemu_add_opts(&qemu_mem_opts);
3008 qemu_add_opts(&qemu_smp_opts);
3009 qemu_add_opts(&qemu_boot_opts);
3010 qemu_add_opts(&qemu_sandbox_opts);
3011 qemu_add_opts(&qemu_add_fd_opts);
3012 qemu_add_opts(&qemu_object_opts);
3013 qemu_add_opts(&qemu_tpmdev_opts);
3014 qemu_add_opts(&qemu_realtime_opts);
3015 qemu_add_opts(&qemu_msg_opts);
3016 qemu_add_opts(&qemu_name_opts);
3017 qemu_add_opts(&qemu_numa_opts);
3018 qemu_add_opts(&qemu_icount_opts);
3019 qemu_add_opts(&qemu_semihosting_config_opts);
3020 qemu_add_opts(&qemu_fw_cfg_opts);
3021 module_call_init(MODULE_INIT_OPTS);
3022
3023 runstate_init();
3024
3025 if (qcrypto_init(&err) < 0) {
3026 error_reportf_err(err, "cannot initialize crypto: ");
3027 exit(1);
3028 }
3029 rtc_clock = QEMU_CLOCK_HOST;
3030
3031 QLIST_INIT (&vm_change_state_head);
3032 os_setup_early_signal_handling();
3033
3034 cpu_model = NULL;
3035 snapshot = 0;
3036 cyls = heads = secs = 0;
3037 translation = BIOS_ATA_TRANSLATION_AUTO;
3038
3039 nb_nics = 0;
3040
3041 bdrv_init_with_whitelist();
3042
3043 autostart = 1;
3044
3045 /* first pass of option parsing */
3046 optind = 1;
3047 while (optind < argc) {
3048 if (argv[optind][0] != '-') {
3049 /* disk image */
3050 optind++;
3051 } else {
3052 const QEMUOption *popt;
3053
3054 popt = lookup_opt(argc, argv, &optarg, &optind);
3055 switch (popt->index) {
3056 case QEMU_OPTION_nodefconfig:
3057 defconfig = false;
3058 break;
3059 case QEMU_OPTION_nouserconfig:
3060 userconfig = false;
3061 break;
3062 }
3063 }
3064 }
3065
3066 if (defconfig) {
3067 int ret;
3068 ret = qemu_read_default_config_files(userconfig);
3069 if (ret < 0) {
3070 exit(1);
3071 }
3072 }
3073
3074 /* second pass of option parsing */
3075 optind = 1;
3076 for(;;) {
3077 if (optind >= argc)
3078 break;
3079 if (argv[optind][0] != '-') {
3080 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3081 } else {
3082 const QEMUOption *popt;
3083
3084 popt = lookup_opt(argc, argv, &optarg, &optind);
3085 if (!(popt->arch_mask & arch_type)) {
3086 printf("Option %s not supported for this target\n", popt->name);
3087 exit(1);
3088 }
3089 switch(popt->index) {
3090 case QEMU_OPTION_no_kvm_irqchip: {
3091 olist = qemu_find_opts("machine");
3092 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3093 break;
3094 }
3095 case QEMU_OPTION_cpu:
3096 /* hw initialization will check this */
3097 cpu_model = optarg;
3098 break;
3099 case QEMU_OPTION_hda:
3100 {
3101 char buf[256];
3102 if (cyls == 0)
3103 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3104 else
3105 snprintf(buf, sizeof(buf),
3106 "%s,cyls=%d,heads=%d,secs=%d%s",
3107 HD_OPTS , cyls, heads, secs,
3108 translation == BIOS_ATA_TRANSLATION_LBA ?
3109 ",trans=lba" :
3110 translation == BIOS_ATA_TRANSLATION_NONE ?
3111 ",trans=none" : "");
3112 drive_add(IF_DEFAULT, 0, optarg, buf);
3113 break;
3114 }
3115 case QEMU_OPTION_hdb:
3116 case QEMU_OPTION_hdc:
3117 case QEMU_OPTION_hdd:
3118 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3119 HD_OPTS);
3120 break;
3121 case QEMU_OPTION_drive:
3122 if (drive_def(optarg) == NULL) {
3123 exit(1);
3124 }
3125 break;
3126 case QEMU_OPTION_set:
3127 if (qemu_set_option(optarg) != 0)
3128 exit(1);
3129 break;
3130 case QEMU_OPTION_global:
3131 if (qemu_global_option(optarg) != 0)
3132 exit(1);
3133 break;
3134 case QEMU_OPTION_mtdblock:
3135 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3136 break;
3137 case QEMU_OPTION_sd:
3138 drive_add(IF_SD, -1, optarg, SD_OPTS);
3139 break;
3140 case QEMU_OPTION_pflash:
3141 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3142 break;
3143 case QEMU_OPTION_snapshot:
3144 snapshot = 1;
3145 break;
3146 case QEMU_OPTION_hdachs:
3147 {
3148 const char *p;
3149 p = optarg;
3150 cyls = strtol(p, (char **)&p, 0);
3151 if (cyls < 1 || cyls > 16383)
3152 goto chs_fail;
3153 if (*p != ',')
3154 goto chs_fail;
3155 p++;
3156 heads = strtol(p, (char **)&p, 0);
3157 if (heads < 1 || heads > 16)
3158 goto chs_fail;
3159 if (*p != ',')
3160 goto chs_fail;
3161 p++;
3162 secs = strtol(p, (char **)&p, 0);
3163 if (secs < 1 || secs > 63)
3164 goto chs_fail;
3165 if (*p == ',') {
3166 p++;
3167 if (!strcmp(p, "large")) {
3168 translation = BIOS_ATA_TRANSLATION_LARGE;
3169 } else if (!strcmp(p, "rechs")) {
3170 translation = BIOS_ATA_TRANSLATION_RECHS;
3171 } else if (!strcmp(p, "none")) {
3172 translation = BIOS_ATA_TRANSLATION_NONE;
3173 } else if (!strcmp(p, "lba")) {
3174 translation = BIOS_ATA_TRANSLATION_LBA;
3175 } else if (!strcmp(p, "auto")) {
3176 translation = BIOS_ATA_TRANSLATION_AUTO;
3177 } else {
3178 goto chs_fail;
3179 }
3180 } else if (*p != '\0') {
3181 chs_fail:
3182 error_report("invalid physical CHS format");
3183 exit(1);
3184 }
3185 if (hda_opts != NULL) {
3186 qemu_opt_set_number(hda_opts, "cyls", cyls,
3187 &error_abort);
3188 qemu_opt_set_number(hda_opts, "heads", heads,
3189 &error_abort);
3190 qemu_opt_set_number(hda_opts, "secs", secs,
3191 &error_abort);
3192 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3193 qemu_opt_set(hda_opts, "trans", "large",
3194 &error_abort);
3195 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3196 qemu_opt_set(hda_opts, "trans", "rechs",
3197 &error_abort);
3198 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3199 qemu_opt_set(hda_opts, "trans", "lba",
3200 &error_abort);
3201 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3202 qemu_opt_set(hda_opts, "trans", "none",
3203 &error_abort);
3204 }
3205 }
3206 }
3207 break;
3208 case QEMU_OPTION_numa:
3209 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3210 optarg, true);
3211 if (!opts) {
3212 exit(1);
3213 }
3214 break;
3215 case QEMU_OPTION_display:
3216 display_type = select_display(optarg);
3217 break;
3218 case QEMU_OPTION_nographic:
3219 olist = qemu_find_opts("machine");
3220 qemu_opts_parse_noisily(olist, "graphics=off", false);
3221 nographic = true;
3222 display_type = DT_NONE;
3223 break;
3224 case QEMU_OPTION_curses:
3225#ifdef CONFIG_CURSES
3226 display_type = DT_CURSES;
3227#else
3228 error_report("curses support is disabled");
3229 exit(1);
3230#endif
3231 break;
3232 case QEMU_OPTION_portrait:
3233 graphic_rotate = 90;
3234 break;
3235 case QEMU_OPTION_rotate:
3236 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3237 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3238 graphic_rotate != 180 && graphic_rotate != 270) {
3239 error_report("only 90, 180, 270 deg rotation is available");
3240 exit(1);
3241 }
3242 break;
3243 case QEMU_OPTION_kernel:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3245 &error_abort);
3246 break;
3247 case QEMU_OPTION_initrd:
3248 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3249 &error_abort);
3250 break;
3251 case QEMU_OPTION_append:
3252 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3253 &error_abort);
3254 break;
3255 case QEMU_OPTION_dtb:
3256 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3257 &error_abort);
3258 break;
3259 case QEMU_OPTION_cdrom:
3260 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3261 break;
3262 case QEMU_OPTION_boot:
3263 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3264 optarg, true);
3265 if (!opts) {
3266 exit(1);
3267 }
3268 break;
3269 case QEMU_OPTION_fda:
3270 case QEMU_OPTION_fdb:
3271 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3272 optarg, FD_OPTS);
3273 break;
3274 case QEMU_OPTION_no_fd_bootchk:
3275 fd_bootchk = 0;
3276 break;
3277 case QEMU_OPTION_netdev:
3278 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3279 exit(1);
3280 }
3281 break;
3282 case QEMU_OPTION_net:
3283 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3284 exit(1);
3285 }
3286 break;
3287#ifdef CONFIG_LIBISCSI
3288 case QEMU_OPTION_iscsi:
3289 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3290 optarg, false);
3291 if (!opts) {
3292 exit(1);
3293 }
3294 break;
3295#endif
3296#ifdef CONFIG_SLIRP
3297 case QEMU_OPTION_tftp:
3298 error_report("The -tftp option is deprecated. "
3299 "Please use '-netdev user,tftp=...' instead.");
3300 legacy_tftp_prefix = optarg;
3301 break;
3302 case QEMU_OPTION_bootp:
3303 error_report("The -bootp option is deprecated. "
3304 "Please use '-netdev user,bootfile=...' instead.");
3305 legacy_bootp_filename = optarg;
3306 break;
3307 case QEMU_OPTION_redir:
3308 error_report("The -redir option is deprecated. "
3309 "Please use '-netdev user,hostfwd=...' instead.");
3310 if (net_slirp_redir(optarg) < 0)
3311 exit(1);
3312 break;
3313#endif
3314 case QEMU_OPTION_bt:
3315 add_device_config(DEV_BT, optarg);
3316 break;
3317 case QEMU_OPTION_audio_help:
3318 AUD_help ();
3319 exit (0);
3320 break;
3321 case QEMU_OPTION_soundhw:
3322 select_soundhw (optarg);
3323 break;
3324 case QEMU_OPTION_h:
3325 help(0);
3326 break;
3327 case QEMU_OPTION_version:
3328 version();
3329 exit(0);
3330 break;
3331 case QEMU_OPTION_m:
3332 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3333 optarg, true);
3334 if (!opts) {
3335 exit(EXIT_FAILURE);
3336 }
3337 break;
3338#ifdef CONFIG_TPM
3339 case QEMU_OPTION_tpmdev:
3340 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3341 exit(1);
3342 }
3343 break;
3344#endif
3345 case QEMU_OPTION_mempath:
3346 mem_path = optarg;
3347 break;
3348 case QEMU_OPTION_mem_prealloc:
3349 mem_prealloc = 1;
3350 break;
3351 case QEMU_OPTION_d:
3352 log_mask = optarg;
3353 break;
3354 case QEMU_OPTION_D:
3355 log_file = optarg;
3356 break;
3357 case QEMU_OPTION_DFILTER:
3358 qemu_set_dfilter_ranges(optarg);
3359 break;
3360 case QEMU_OPTION_s:
3361 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3362 break;
3363 case QEMU_OPTION_gdb:
3364 add_device_config(DEV_GDB, optarg);
3365 break;
3366 case QEMU_OPTION_L:
3367 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3368 data_dir[data_dir_idx++] = optarg;
3369 }
3370 break;
3371 case QEMU_OPTION_bios:
3372 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3373 &error_abort);
3374 break;
3375 case QEMU_OPTION_singlestep:
3376 singlestep = 1;
3377 break;
3378 case QEMU_OPTION_S:
3379 autostart = 0;
3380 break;
3381 case QEMU_OPTION_k:
3382 keyboard_layout = optarg;
3383 break;
3384 case QEMU_OPTION_localtime:
3385 rtc_utc = 0;
3386 break;
3387 case QEMU_OPTION_vga:
3388 vga_model = optarg;
3389 default_vga = 0;
3390 break;
3391 case QEMU_OPTION_g:
3392 {
3393 const char *p;
3394 int w, h, depth;
3395 p = optarg;
3396 w = strtol(p, (char **)&p, 10);
3397 if (w <= 0) {
3398 graphic_error:
3399 error_report("invalid resolution or depth");
3400 exit(1);
3401 }
3402 if (*p != 'x')
3403 goto graphic_error;
3404 p++;
3405 h = strtol(p, (char **)&p, 10);
3406 if (h <= 0)
3407 goto graphic_error;
3408 if (*p == 'x') {
3409 p++;
3410 depth = strtol(p, (char **)&p, 10);
3411 if (depth != 8 && depth != 15 && depth != 16 &&
3412 depth != 24 && depth != 32)
3413 goto graphic_error;
3414 } else if (*p == '\0') {
3415 depth = graphic_depth;
3416 } else {
3417 goto graphic_error;
3418 }
3419
3420 graphic_width = w;
3421 graphic_height = h;
3422 graphic_depth = depth;
3423 }
3424 break;
3425 case QEMU_OPTION_echr:
3426 {
3427 char *r;
3428 term_escape_char = strtol(optarg, &r, 0);
3429 if (r == optarg)
3430 printf("Bad argument to echr\n");
3431 break;
3432 }
3433 case QEMU_OPTION_monitor:
3434 default_monitor = 0;
3435 if (strncmp(optarg, "none", 4)) {
3436 monitor_parse(optarg, "readline", false);
3437 }
3438 break;
3439 case QEMU_OPTION_qmp:
3440 monitor_parse(optarg, "control", false);
3441 default_monitor = 0;
3442 break;
3443 case QEMU_OPTION_qmp_pretty:
3444 monitor_parse(optarg, "control", true);
3445 default_monitor = 0;
3446 break;
3447 case QEMU_OPTION_mon:
3448 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3449 true);
3450 if (!opts) {
3451 exit(1);
3452 }
3453 default_monitor = 0;
3454 break;
3455 case QEMU_OPTION_chardev:
3456 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3457 optarg, true);
3458 if (!opts) {
3459 exit(1);
3460 }
3461 break;
3462 case QEMU_OPTION_fsdev:
3463 olist = qemu_find_opts("fsdev");
3464 if (!olist) {
3465 error_report("fsdev support is disabled");
3466 exit(1);
3467 }
3468 opts = qemu_opts_parse_noisily(olist, optarg, true);
3469 if (!opts) {
3470 exit(1);
3471 }
3472 break;
3473 case QEMU_OPTION_virtfs: {
3474 QemuOpts *fsdev;
3475 QemuOpts *device;
3476 const char *writeout, *sock_fd, *socket;
3477
3478 olist = qemu_find_opts("virtfs");
3479 if (!olist) {
3480 error_report("virtfs support is disabled");
3481 exit(1);
3482 }
3483 opts = qemu_opts_parse_noisily(olist, optarg, true);
3484 if (!opts) {
3485 exit(1);
3486 }
3487
3488 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3489 qemu_opt_get(opts, "mount_tag") == NULL) {
3490 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3491 exit(1);
3492 }
3493 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3494 qemu_opt_get(opts, "mount_tag"),
3495 1, NULL);
3496 if (!fsdev) {
3497 error_report("duplicate fsdev id: %s",
3498 qemu_opt_get(opts, "mount_tag"));
3499 exit(1);
3500 }
3501
3502 writeout = qemu_opt_get(opts, "writeout");
3503 if (writeout) {
3504#ifdef CONFIG_SYNC_FILE_RANGE
3505 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3506#else
3507 error_report("writeout=immediate not supported "
3508 "on this platform");
3509 exit(1);
3510#endif
3511 }
3512 qemu_opt_set(fsdev, "fsdriver",
3513 qemu_opt_get(opts, "fsdriver"), &error_abort);
3514 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3515 &error_abort);
3516 qemu_opt_set(fsdev, "security_model",
3517 qemu_opt_get(opts, "security_model"),
3518 &error_abort);
3519 socket = qemu_opt_get(opts, "socket");
3520 if (socket) {
3521 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3522 }
3523 sock_fd = qemu_opt_get(opts, "sock_fd");
3524 if (sock_fd) {
3525 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3526 }
3527
3528 qemu_opt_set_bool(fsdev, "readonly",
3529 qemu_opt_get_bool(opts, "readonly", 0),
3530 &error_abort);
3531 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3532 &error_abort);
3533 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3534 qemu_opt_set(device, "fsdev",
3535 qemu_opt_get(opts, "mount_tag"), &error_abort);
3536 qemu_opt_set(device, "mount_tag",
3537 qemu_opt_get(opts, "mount_tag"), &error_abort);
3538 break;
3539 }
3540 case QEMU_OPTION_virtfs_synth: {
3541 QemuOpts *fsdev;
3542 QemuOpts *device;
3543
3544 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3545 1, NULL);
3546 if (!fsdev) {
3547 error_report("duplicate option: %s", "virtfs_synth");
3548 exit(1);
3549 }
3550 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3551
3552 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3553 &error_abort);
3554 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3555 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3556 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3557 break;
3558 }
3559 case QEMU_OPTION_serial:
3560 add_device_config(DEV_SERIAL, optarg);
3561 default_serial = 0;
3562 if (strncmp(optarg, "mon:", 4) == 0) {
3563 default_monitor = 0;
3564 }
3565 break;
3566 case QEMU_OPTION_watchdog:
3567 if (watchdog) {
3568 error_report("only one watchdog option may be given");
3569 return 1;
3570 }
3571 watchdog = optarg;
3572 break;
3573 case QEMU_OPTION_watchdog_action:
3574 if (select_watchdog_action(optarg) == -1) {
3575 error_report("unknown -watchdog-action parameter");
3576 exit(1);
3577 }
3578 break;
3579 case QEMU_OPTION_virtiocon:
3580 add_device_config(DEV_VIRTCON, optarg);
3581 default_virtcon = 0;
3582 if (strncmp(optarg, "mon:", 4) == 0) {
3583 default_monitor = 0;
3584 }
3585 break;
3586 case QEMU_OPTION_parallel:
3587 add_device_config(DEV_PARALLEL, optarg);
3588 default_parallel = 0;
3589 if (strncmp(optarg, "mon:", 4) == 0) {
3590 default_monitor = 0;
3591 }
3592 break;
3593 case QEMU_OPTION_debugcon:
3594 add_device_config(DEV_DEBUGCON, optarg);
3595 break;
3596 case QEMU_OPTION_loadvm:
3597 loadvm = optarg;
3598 break;
3599 case QEMU_OPTION_full_screen:
3600 full_screen = 1;
3601 break;
3602 case QEMU_OPTION_no_frame:
3603 no_frame = 1;
3604 break;
3605 case QEMU_OPTION_alt_grab:
3606 alt_grab = 1;
3607 break;
3608 case QEMU_OPTION_ctrl_grab:
3609 ctrl_grab = 1;
3610 break;
3611 case QEMU_OPTION_no_quit:
3612 no_quit = 1;
3613 break;
3614 case QEMU_OPTION_sdl:
3615#ifdef CONFIG_SDL
3616 display_type = DT_SDL;
3617 break;
3618#else
3619 error_report("SDL support is disabled");
3620 exit(1);
3621#endif
3622 case QEMU_OPTION_pidfile:
3623 pid_file = optarg;
3624 break;
3625 case QEMU_OPTION_win2k_hack:
3626 win2k_install_hack = 1;
3627 break;
3628 case QEMU_OPTION_rtc_td_hack: {
3629 static GlobalProperty slew_lost_ticks[] = {
3630 {
3631 .driver = "mc146818rtc",
3632 .property = "lost_tick_policy",
3633 .value = "slew",
3634 },
3635 { /* end of list */ }
3636 };
3637
3638 qdev_prop_register_global_list(slew_lost_ticks);
3639 break;
3640 }
3641 case QEMU_OPTION_acpitable:
3642 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3643 optarg, true);
3644 if (!opts) {
3645 exit(1);
3646 }
3647 do_acpitable_option(opts);
3648 break;
3649 case QEMU_OPTION_smbios:
3650 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3651 optarg, false);
3652 if (!opts) {
3653 exit(1);
3654 }
3655 do_smbios_option(opts);
3656 break;
3657 case QEMU_OPTION_fwcfg:
3658 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3659 optarg, true);
3660 if (opts == NULL) {
3661 exit(1);
3662 }
3663 break;
3664 case QEMU_OPTION_enable_kvm:
3665 olist = qemu_find_opts("machine");
3666 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3667 break;
3668 case QEMU_OPTION_M:
3669 case QEMU_OPTION_machine:
3670 olist = qemu_find_opts("machine");
3671 opts = qemu_opts_parse_noisily(olist, optarg, true);
3672 if (!opts) {
3673 exit(1);
3674 }
3675 break;
3676 case QEMU_OPTION_no_kvm:
3677 olist = qemu_find_opts("machine");
3678 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3679 break;
3680 case QEMU_OPTION_no_kvm_pit: {
3681 error_report("warning: ignoring deprecated option");
3682 break;
3683 }
3684 case QEMU_OPTION_no_kvm_pit_reinjection: {
3685 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3686 {
3687 .driver = "kvm-pit",
3688 .property = "lost_tick_policy",
3689 .value = "discard",
3690 },
3691 { /* end of list */ }
3692 };
3693
3694 error_report("warning: deprecated, replaced by "
3695 "-global kvm-pit.lost_tick_policy=discard");
3696 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3697 break;
3698 }
3699 case QEMU_OPTION_usb:
3700 olist = qemu_find_opts("machine");
3701 qemu_opts_parse_noisily(olist, "usb=on", false);
3702 break;
3703 case QEMU_OPTION_usbdevice:
3704 olist = qemu_find_opts("machine");
3705 qemu_opts_parse_noisily(olist, "usb=on", false);
3706 add_device_config(DEV_USB, optarg);
3707 break;
3708 case QEMU_OPTION_device:
3709 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3710 optarg, true)) {
3711 exit(1);
3712 }
3713 break;
3714 case QEMU_OPTION_smp:
3715 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3716 optarg, true)) {
3717 exit(1);
3718 }
3719 break;
3720 case QEMU_OPTION_vnc:
3721 {
3722 Error *local_err = NULL;
3723
3724 if (vnc_parse(optarg, &local_err) == NULL) {
3725 error_report_err(local_err);
3726 exit(1);
3727 }
3728 break;
3729 }
3730 case QEMU_OPTION_no_acpi:
3731 acpi_enabled = 0;
3732 break;
3733 case QEMU_OPTION_no_hpet:
3734 no_hpet = 1;
3735 break;
3736 case QEMU_OPTION_balloon:
3737 if (balloon_parse(optarg) < 0) {
3738 error_report("unknown -balloon argument %s", optarg);
3739 exit(1);
3740 }
3741 break;
3742 case QEMU_OPTION_no_reboot:
3743 no_reboot = 1;
3744 break;
3745 case QEMU_OPTION_no_shutdown:
3746 no_shutdown = 1;
3747 break;
3748 case QEMU_OPTION_show_cursor:
3749 cursor_hide = 0;
3750 break;
3751 case QEMU_OPTION_uuid:
3752 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3753 error_report("failed to parse UUID string: wrong format");
3754 exit(1);
3755 }
3756 qemu_uuid_set = true;
3757 break;
3758 case QEMU_OPTION_option_rom:
3759 if (nb_option_roms >= MAX_OPTION_ROMS) {
3760 error_report("too many option ROMs");
3761 exit(1);
3762 }
3763 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3764 optarg, true);
3765 if (!opts) {
3766 exit(1);
3767 }
3768 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3769 option_rom[nb_option_roms].bootindex =
3770 qemu_opt_get_number(opts, "bootindex", -1);
3771 if (!option_rom[nb_option_roms].name) {
3772 error_report("Option ROM file is not specified");
3773 exit(1);
3774 }
3775 nb_option_roms++;
3776 break;
3777 case QEMU_OPTION_semihosting:
3778 semihosting.enabled = true;
3779 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3780 break;
3781 case QEMU_OPTION_semihosting_config:
3782 semihosting.enabled = true;
3783 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3784 optarg, false);
3785 if (opts != NULL) {
3786 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3787 true);
3788 const char *target = qemu_opt_get(opts, "target");
3789 if (target != NULL) {
3790 if (strcmp("native", target) == 0) {
3791 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3792 } else if (strcmp("gdb", target) == 0) {
3793 semihosting.target = SEMIHOSTING_TARGET_GDB;
3794 } else if (strcmp("auto", target) == 0) {
3795 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3796 } else {
3797 error_report("unsupported semihosting-config %s",
3798 optarg);
3799 exit(1);
3800 }
3801 } else {
3802 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3803 }
3804 /* Set semihosting argument count and vector */
3805 qemu_opt_foreach(opts, add_semihosting_arg,
3806 &semihosting, NULL);
3807 } else {
3808 error_report("unsupported semihosting-config %s", optarg);
3809 exit(1);
3810 }
3811 break;
3812 case QEMU_OPTION_tdf:
3813 error_report("warning: ignoring deprecated option");
3814 break;
3815 case QEMU_OPTION_name:
3816 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3817 optarg, true);
3818 if (!opts) {
3819 exit(1);
3820 }
3821 break;
3822 case QEMU_OPTION_prom_env:
3823 if (nb_prom_envs >= MAX_PROM_ENVS) {
3824 error_report("too many prom variables");
3825 exit(1);
3826 }
3827 prom_envs[nb_prom_envs] = optarg;
3828 nb_prom_envs++;
3829 break;
3830 case QEMU_OPTION_old_param:
3831 old_param = 1;
3832 break;
3833 case QEMU_OPTION_clock:
3834 /* Clock options no longer exist. Keep this option for
3835 * backward compatibility.
3836 */
3837 break;
3838 case QEMU_OPTION_startdate:
3839 configure_rtc_date_offset(optarg, 1);
3840 break;
3841 case QEMU_OPTION_rtc:
3842 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3843 false);
3844 if (!opts) {
3845 exit(1);
3846 }
3847 configure_rtc(opts);
3848 break;
3849 case QEMU_OPTION_tb_size:
3850 tcg_tb_size = strtol(optarg, NULL, 0);
3851 if (tcg_tb_size < 0) {
3852 tcg_tb_size = 0;
3853 }
3854 break;
3855 case QEMU_OPTION_icount:
3856 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3857 optarg, true);
3858 if (!icount_opts) {
3859 exit(1);
3860 }
3861 break;
3862 case QEMU_OPTION_incoming:
3863 if (!incoming) {
3864 runstate_set(RUN_STATE_INMIGRATE);
3865 }
3866 incoming = optarg;
3867 break;
3868 case QEMU_OPTION_nodefaults:
3869 has_defaults = 0;
3870 break;
3871 case QEMU_OPTION_xen_domid:
3872 if (!(xen_available())) {
3873 printf("Option %s not supported for this target\n", popt->name);
3874 exit(1);
3875 }
3876 xen_domid = atoi(optarg);
3877 break;
3878 case QEMU_OPTION_xen_create:
3879 if (!(xen_available())) {
3880 printf("Option %s not supported for this target\n", popt->name);
3881 exit(1);
3882 }
3883 xen_mode = XEN_CREATE;
3884 break;
3885 case QEMU_OPTION_xen_attach:
3886 if (!(xen_available())) {
3887 printf("Option %s not supported for this target\n", popt->name);
3888 exit(1);
3889 }
3890 xen_mode = XEN_ATTACH;
3891 break;
3892 case QEMU_OPTION_trace:
3893 {
3894 opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
3895 optarg, true);
3896 if (!opts) {
3897 exit(1);
3898 }
3899 if (qemu_opt_get(opts, "enable")) {
3900 trace_enable_events(qemu_opt_get(opts, "enable"));
3901 }
3902 trace_init_events(qemu_opt_get(opts, "events"));
3903 if (trace_file) {
3904 g_free(trace_file);
3905 }
3906 trace_file = g_strdup(qemu_opt_get(opts, "file"));
3907 qemu_opts_del(opts);
3908 break;
3909 }
3910 case QEMU_OPTION_readconfig:
3911 {
3912 int ret = qemu_read_config_file(optarg);
3913 if (ret < 0) {
3914 error_report("read config %s: %s", optarg,
3915 strerror(-ret));
3916 exit(1);
3917 }
3918 break;
3919 }
3920 case QEMU_OPTION_spice:
3921 olist = qemu_find_opts("spice");
3922 if (!olist) {
3923 error_report("spice support is disabled");
3924 exit(1);
3925 }
3926 opts = qemu_opts_parse_noisily(olist, optarg, false);
3927 if (!opts) {
3928 exit(1);
3929 }
3930 display_remote++;
3931 break;
3932 case QEMU_OPTION_writeconfig:
3933 {
3934 FILE *fp;
3935 if (strcmp(optarg, "-") == 0) {
3936 fp = stdout;
3937 } else {
3938 fp = fopen(optarg, "w");
3939 if (fp == NULL) {
3940 error_report("open %s: %s", optarg,
3941 strerror(errno));
3942 exit(1);
3943 }
3944 }
3945 qemu_config_write(fp);
3946 if (fp != stdout) {
3947 fclose(fp);
3948 }
3949 break;
3950 }
3951 case QEMU_OPTION_qtest:
3952 qtest_chrdev = optarg;
3953 break;
3954 case QEMU_OPTION_qtest_log:
3955 qtest_log = optarg;
3956 break;
3957 case QEMU_OPTION_sandbox:
3958 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3959 optarg, true);
3960 if (!opts) {
3961 exit(1);
3962 }
3963 break;
3964 case QEMU_OPTION_add_fd:
3965#ifndef _WIN32
3966 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3967 optarg, false);
3968 if (!opts) {
3969 exit(1);
3970 }
3971#else
3972 error_report("File descriptor passing is disabled on this "
3973 "platform");
3974 exit(1);
3975#endif
3976 break;
3977 case QEMU_OPTION_object:
3978 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3979 optarg, true);
3980 if (!opts) {
3981 exit(1);
3982 }
3983 break;
3984 case QEMU_OPTION_realtime:
3985 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3986 optarg, false);
3987 if (!opts) {
3988 exit(1);
3989 }
3990 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3991 break;
3992 case QEMU_OPTION_msg:
3993 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3994 false);
3995 if (!opts) {
3996 exit(1);
3997 }
3998 configure_msg(opts);
3999 break;
4000 case QEMU_OPTION_dump_vmstate:
4001 if (vmstate_dump_file) {
4002 error_report("only one '-dump-vmstate' "
4003 "option may be given");
4004 exit(1);
4005 }
4006 vmstate_dump_file = fopen(optarg, "w");
4007 if (vmstate_dump_file == NULL) {
4008 error_report("open %s: %s", optarg, strerror(errno));
4009 exit(1);
4010 }
4011 break;
4012 default:
4013 os_parse_cmd_args(popt->index, optarg);
4014 }
4015 }
4016 }
4017 /*
4018 * Clear error location left behind by the loop.
4019 * Best done right after the loop. Do not insert code here!
4020 */
4021 loc_set_none();
4022
4023 replay_configure(icount_opts);
4024
4025 machine_class = select_machine();
4026
4027 set_memory_options(&ram_slots, &maxram_size, machine_class);
4028
4029 os_daemonize();
4030
4031 if (qemu_init_main_loop(&main_loop_err)) {
4032 error_report_err(main_loop_err);
4033 exit(1);
4034 }
4035
4036 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4037 parse_sandbox, NULL, NULL)) {
4038 exit(1);
4039 }
4040
4041 if (qemu_opts_foreach(qemu_find_opts("name"),
4042 parse_name, NULL, NULL)) {
4043 exit(1);
4044 }
4045
4046#ifndef _WIN32
4047 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4048 parse_add_fd, NULL, NULL)) {
4049 exit(1);
4050 }
4051
4052 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4053 cleanup_add_fd, NULL, NULL)) {
4054 exit(1);
4055 }
4056#endif
4057
4058 current_machine = MACHINE(object_new(object_class_get_name(
4059 OBJECT_CLASS(machine_class))));
4060 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4061 exit(0);
4062 }
4063 object_property_add_child(object_get_root(), "machine",
4064 OBJECT(current_machine), &error_abort);
4065 cpu_exec_init_all();
4066
4067 if (machine_class->hw_version) {
4068 qemu_set_hw_version(machine_class->hw_version);
4069 }
4070
4071 /* Init CPU def lists, based on config
4072 * - Must be called after all the qemu_read_config_file() calls
4073 * - Must be called before list_cpus()
4074 * - Must be called before machine_class->init()
4075 */
4076 cpudef_init();
4077
4078 if (cpu_model && is_help_option(cpu_model)) {
4079 list_cpus(stdout, &fprintf, cpu_model);
4080 exit(0);
4081 }
4082
4083 if (!trace_init_backends()) {
4084 exit(1);
4085 }
4086 trace_init_file(trace_file);
4087
4088 /* Open the logfile at this point and set the log mask if necessary.
4089 */
4090 if (log_file) {
4091 qemu_set_log_filename(log_file);
4092 }
4093
4094 if (log_mask) {
4095 int mask;
4096 mask = qemu_str_to_log_mask(log_mask);
4097 if (!mask) {
4098 qemu_print_log_usage(stdout);
4099 exit(1);
4100 }
4101 qemu_set_log(mask);
4102 } else {
4103 qemu_set_log(0);
4104 }
4105
4106 /* If no data_dir is specified then try to find it relative to the
4107 executable path. */
4108 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4109 data_dir[data_dir_idx] = os_find_datadir();
4110 if (data_dir[data_dir_idx] != NULL) {
4111 data_dir_idx++;
4112 }
4113 }
4114 /* If all else fails use the install path specified when building. */
4115 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4116 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4117 }
4118
4119 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4120
4121 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4122 if (max_cpus > machine_class->max_cpus) {
4123 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4124 "supported by machine '%s' (%d)", max_cpus,
4125 machine_class->name, machine_class->max_cpus);
4126 exit(1);
4127 }
4128
4129 /*
4130 * Get the default machine options from the machine if it is not already
4131 * specified either by the configuration file or by the command line.
4132 */
4133 if (machine_class->default_machine_opts) {
4134 qemu_opts_set_defaults(qemu_find_opts("machine"),
4135 machine_class->default_machine_opts, 0);
4136 }
4137
4138 qemu_opts_foreach(qemu_find_opts("device"),
4139 default_driver_check, NULL, NULL);
4140 qemu_opts_foreach(qemu_find_opts("global"),
4141 default_driver_check, NULL, NULL);
4142
4143 if (!vga_model && !default_vga) {
4144 vga_interface_type = VGA_DEVICE;
4145 }
4146 if (!has_defaults || machine_class->no_serial) {
4147 default_serial = 0;
4148 }
4149 if (!has_defaults || machine_class->no_parallel) {
4150 default_parallel = 0;
4151 }
4152 if (!has_defaults || !machine_class->use_virtcon) {
4153 default_virtcon = 0;
4154 }
4155 if (!has_defaults || !machine_class->use_sclp) {
4156 default_sclp = 0;
4157 }
4158 if (!has_defaults || machine_class->no_floppy) {
4159 default_floppy = 0;
4160 }
4161 if (!has_defaults || machine_class->no_cdrom) {
4162 default_cdrom = 0;
4163 }
4164 if (!has_defaults || machine_class->no_sdcard) {
4165 default_sdcard = 0;
4166 }
4167 if (!has_defaults) {
4168 default_monitor = 0;
4169 default_net = 0;
4170 default_vga = 0;
4171 }
4172
4173 if (is_daemonized()) {
4174 /* According to documentation and historically, -nographic redirects
4175 * serial port, parallel port and monitor to stdio, which does not work
4176 * with -daemonize. We can redirect these to null instead, but since
4177 * -nographic is legacy, let's just error out.
4178 * We disallow -nographic only if all other ports are not redirected
4179 * explicitly, to not break existing legacy setups which uses
4180 * -nographic _and_ redirects all ports explicitly - this is valid
4181 * usage, -nographic is just a no-op in this case.
4182 */
4183 if (nographic
4184 && (default_parallel || default_serial
4185 || default_monitor || default_virtcon)) {
4186 error_report("-nographic cannot be used with -daemonize");
4187 exit(1);
4188 }
4189#ifdef CONFIG_CURSES
4190 if (display_type == DT_CURSES) {
4191 error_report("curses display cannot be used with -daemonize");
4192 exit(1);
4193 }
4194#endif
4195 }
4196
4197 if (nographic) {
4198 if (default_parallel)
4199 add_device_config(DEV_PARALLEL, "null");
4200 if (default_serial && default_monitor) {
4201 add_device_config(DEV_SERIAL, "mon:stdio");
4202 } else if (default_virtcon && default_monitor) {
4203 add_device_config(DEV_VIRTCON, "mon:stdio");
4204 } else if (default_sclp && default_monitor) {
4205 add_device_config(DEV_SCLP, "mon:stdio");
4206 } else {
4207 if (default_serial)
4208 add_device_config(DEV_SERIAL, "stdio");
4209 if (default_virtcon)
4210 add_device_config(DEV_VIRTCON, "stdio");
4211 if (default_sclp) {
4212 add_device_config(DEV_SCLP, "stdio");
4213 }
4214 if (default_monitor)
4215 monitor_parse("stdio", "readline", false);
4216 }
4217 } else {
4218 if (default_serial)
4219 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4220 if (default_parallel)
4221 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4222 if (default_monitor)
4223 monitor_parse("vc:80Cx24C", "readline", false);
4224 if (default_virtcon)
4225 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4226 if (default_sclp) {
4227 add_device_config(DEV_SCLP, "vc:80Cx24C");
4228 }
4229 }
4230
4231#if defined(CONFIG_VNC)
4232 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4233 display_remote++;
4234 }
4235#endif
4236 if (display_type == DT_DEFAULT && !display_remote) {
4237#if defined(CONFIG_GTK)
4238 display_type = DT_GTK;
4239#elif defined(CONFIG_SDL)
4240 display_type = DT_SDL;
4241#elif defined(CONFIG_COCOA)
4242 display_type = DT_COCOA;
4243#elif defined(CONFIG_VNC)
4244 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4245 show_vnc_port = 1;
4246#else
4247 display_type = DT_NONE;
4248#endif
4249 }
4250
4251 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4252 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4253 "for SDL, ignoring option");
4254 }
4255 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4256 error_report("-no-quit is only valid for GTK and SDL, "
4257 "ignoring option");
4258 }
4259
4260 if (display_type == DT_GTK) {
4261 early_gtk_display_init(request_opengl);
4262 }
4263
4264 if (display_type == DT_SDL) {
4265 sdl_display_early_init(request_opengl);
4266 }
4267
4268 if (request_opengl == 1 && display_opengl == 0) {
4269#if defined(CONFIG_OPENGL)
4270 error_report("OpenGL is not supported by the display");
4271#else
4272 error_report("OpenGL support is disabled");
4273#endif
4274 exit(1);
4275 }
4276
4277 page_size_init();
4278 socket_init();
4279
4280 if (qemu_opts_foreach(qemu_find_opts("object"),
4281 user_creatable_add_opts_foreach,
4282 object_create_initial, NULL)) {
4283 exit(1);
4284 }
4285
4286 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4287 chardev_init_func, NULL, NULL)) {
4288 exit(1);
4289 }
4290
4291#ifdef CONFIG_VIRTFS
4292 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4293 fsdev_init_func, NULL, NULL)) {
4294 exit(1);
4295 }
4296#endif
4297
4298 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4299 error_report("could not acquire pid file: %s", strerror(errno));
4300 exit(1);
4301 }
4302
4303 if (qemu_opts_foreach(qemu_find_opts("device"),
4304 device_help_func, NULL, NULL)) {
4305 exit(0);
4306 }
4307
4308 machine_opts = qemu_get_machine_opts();
4309 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4310 NULL)) {
4311 object_unref(OBJECT(current_machine));
4312 exit(1);
4313 }
4314
4315 configure_accelerator(current_machine);
4316
4317 if (qtest_chrdev) {
4318 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4319 }
4320
4321 machine_opts = qemu_get_machine_opts();
4322 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4323 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4324 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4325 bios_name = qemu_opt_get(machine_opts, "firmware");
4326
4327 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4328 if (opts) {
4329 boot_order = qemu_opt_get(opts, "order");
4330 if (boot_order) {
4331 validate_bootdevices(boot_order, &error_fatal);
4332 }
4333
4334 boot_once = qemu_opt_get(opts, "once");
4335 if (boot_once) {
4336 validate_bootdevices(boot_once, &error_fatal);
4337 }
4338
4339 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4340 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4341 }
4342
4343 if (!boot_order) {
4344 boot_order = machine_class->default_boot_order;
4345 }
4346
4347 if (!kernel_cmdline) {
4348 kernel_cmdline = "";
4349 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4350 }
4351
4352 linux_boot = (kernel_filename != NULL);
4353
4354 if (!linux_boot && *kernel_cmdline != '\0') {
4355 error_report("-append only allowed with -kernel option");
4356 exit(1);
4357 }
4358
4359 if (!linux_boot && initrd_filename != NULL) {
4360 error_report("-initrd only allowed with -kernel option");
4361 exit(1);
4362 }
4363
4364 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4365 error_report("-dtb only allowed with -kernel option");
4366 exit(1);
4367 }
4368
4369 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4370 /* fall back to the -kernel/-append */
4371 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4372 }
4373
4374 os_set_line_buffering();
4375
4376 /* spice needs the timers to be initialized by this point */
4377 qemu_spice_init();
4378
4379 cpu_ticks_init();
4380 if (icount_opts) {
4381 if (kvm_enabled() || xen_enabled()) {
4382 error_report("-icount is not allowed with kvm or xen");
4383 exit(1);
4384 }
4385 configure_icount(icount_opts, &error_abort);
4386 qemu_opts_del(icount_opts);
4387 }
4388
4389 /* clean up network at qemu process termination */
4390 atexit(&net_cleanup);
4391
4392 if (net_init_clients() < 0) {
4393 exit(1);
4394 }
4395
4396 if (qemu_opts_foreach(qemu_find_opts("object"),
4397 user_creatable_add_opts_foreach,
4398 object_create_delayed, NULL)) {
4399 exit(1);
4400 }
4401
4402#ifdef CONFIG_TPM
4403 if (tpm_init() < 0) {
4404 exit(1);
4405 }
4406#endif
4407
4408 /* init the bluetooth world */
4409 if (foreach_device_config(DEV_BT, bt_parse))
4410 exit(1);
4411
4412 if (!xen_enabled()) {
4413 /* On 32-bit hosts, QEMU is limited by virtual address space */
4414 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4415 error_report("at most 2047 MB RAM can be simulated");
4416 exit(1);
4417 }
4418 }
4419
4420 blk_mig_init();
4421 ram_mig_init();
4422
4423 /* If the currently selected machine wishes to override the units-per-bus
4424 * property of its default HBA interface type, do so now. */
4425 if (machine_class->units_per_default_bus) {
4426 override_max_devs(machine_class->block_default_type,
4427 machine_class->units_per_default_bus);
4428 }
4429
4430 /* open the virtual block devices */
4431 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4432 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4433 NULL, NULL);
4434 }
4435 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4436 &machine_class->block_default_type, NULL)) {
4437 exit(1);
4438 }
4439
4440 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4441 CDROM_OPTS);
4442 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4443 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4444
4445 parse_numa_opts(machine_class);
4446
4447 if (qemu_opts_foreach(qemu_find_opts("mon"),
4448 mon_init_func, NULL, NULL)) {
4449 exit(1);
4450 }
4451
4452 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4453 exit(1);
4454 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4455 exit(1);
4456 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4457 exit(1);
4458 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4459 exit(1);
4460 }
4461 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4462 exit(1);
4463
4464 /* If no default VGA is requested, the default is "none". */
4465 if (default_vga) {
4466 if (machine_class->default_display) {
4467 vga_model = machine_class->default_display;
4468 } else if (vga_interface_available(VGA_CIRRUS)) {
4469 vga_model = "cirrus";
4470 } else if (vga_interface_available(VGA_STD)) {
4471 vga_model = "std";
4472 }
4473 }
4474 if (vga_model) {
4475 select_vgahw(vga_model);
4476 }
4477
4478 if (watchdog) {
4479 i = select_watchdog(watchdog);
4480 if (i > 0)
4481 exit (i == 1 ? 1 : 0);
4482 }
4483
4484 if (machine_class->compat_props) {
4485 qdev_prop_register_global_list(machine_class->compat_props);
4486 }
4487 qemu_add_globals();
4488
4489 /* This checkpoint is required by replay to separate prior clock
4490 reading from the other reads, because timer polling functions query
4491 clock values from the log. */
4492 replay_checkpoint(CHECKPOINT_INIT);
4493 qdev_machine_init();
4494
4495 current_machine->ram_size = ram_size;
4496 current_machine->maxram_size = maxram_size;
4497 current_machine->ram_slots = ram_slots;
4498 current_machine->boot_order = boot_order;
4499 current_machine->cpu_model = cpu_model;
4500
4501 machine_class->init(current_machine);
4502
4503 realtime_init();
4504
4505 audio_init();
4506
4507 cpu_synchronize_all_post_init();
4508
4509 numa_post_machine_init();
4510
4511 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4512 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4513 exit(1);
4514 }
4515
4516 /* init USB devices */
4517 if (usb_enabled()) {
4518 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4519 exit(1);
4520 }
4521
4522 /* Check if IGD GFX passthrough. */
4523 igd_gfx_passthru();
4524
4525 /* init generic devices */
4526 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4527 if (qemu_opts_foreach(qemu_find_opts("device"),
4528 device_init_func, NULL, NULL)) {
4529 exit(1);
4530 }
4531 rom_reset_order_override();
4532
4533 /* Did we create any drives that we failed to create a device for? */
4534 drive_check_orphaned();
4535
4536 net_check_clients();
4537
4538 if (boot_once) {
4539 qemu_boot_set(boot_once, &error_fatal);
4540 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4541 }
4542
4543 ds = init_displaystate();
4544
4545 /* init local displays */
4546 switch (display_type) {
4547 case DT_CURSES:
4548 curses_display_init(ds, full_screen);
4549 break;
4550 case DT_SDL:
4551 sdl_display_init(ds, full_screen, no_frame);
4552 break;
4553 case DT_COCOA:
4554 cocoa_display_init(ds, full_screen);
4555 break;
4556 case DT_GTK:
4557 gtk_display_init(ds, full_screen, grab_on_hover);
4558 break;
4559 default:
4560 break;
4561 }
4562
4563 /* must be after terminal init, SDL library changes signal handlers */
4564 os_setup_signal_handling();
4565
4566 /* init remote displays */
4567 qemu_opts_foreach(qemu_find_opts("vnc"),
4568 vnc_init_func, NULL, NULL);
4569 if (show_vnc_port) {
4570 char *ret = vnc_display_local_addr("default");
4571 printf("VNC server running on '%s'\n", ret);
4572 g_free(ret);
4573 }
4574
4575 if (using_spice) {
4576 qemu_spice_display_init();
4577 }
4578
4579 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4580 exit(1);
4581 }
4582
4583 qdev_machine_creation_done();
4584
4585 /* TODO: once all bus devices are qdevified, this should be done
4586 * when bus is created by qdev.c */
4587 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4588 qemu_run_machine_init_done_notifiers();
4589
4590 if (rom_check_and_register_reset() != 0) {
4591 error_report("rom check and register reset failed");
4592 exit(1);
4593 }
4594
4595 replay_start();
4596
4597 /* This checkpoint is required by replay to separate prior clock
4598 reading from the other reads, because timer polling functions query
4599 clock values from the log. */
4600 replay_checkpoint(CHECKPOINT_RESET);
4601 qemu_system_reset(VMRESET_SILENT);
4602 register_global_state();
4603 if (loadvm) {
4604 if (load_vmstate(loadvm) < 0) {
4605 autostart = 0;
4606 }
4607 }
4608
4609 qdev_prop_check_globals();
4610 if (vmstate_dump_file) {
4611 /* dump and exit */
4612 dump_vmstate_json_to_file(vmstate_dump_file);
4613 return 0;
4614 }
4615
4616 if (incoming) {
4617 Error *local_err = NULL;
4618 qemu_start_incoming_migration(incoming, &local_err);
4619 if (local_err) {
4620 error_reportf_err(local_err, "-incoming %s: ", incoming);
4621 exit(1);
4622 }
4623 } else if (autostart) {
4624 vm_start();
4625 }
4626
4627 os_setup_post();
4628
4629 main_loop();
4630 replay_disable_events();
4631
4632 bdrv_close_all();
4633 pause_all_vcpus();
4634 res_free();
4635#ifdef CONFIG_TPM
4636 tpm_cleanup();
4637#endif
4638
4639 return 0;
4640}
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