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block/iscsi: fix deadlock on scsi check condition
[qemu/rayw.git] / vl.c
blob9379d335ac4c7e43f519b2afaeaddf8e4ff8295b
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 <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef _WIN32
42 #include <windows.h>
43 #endif
44
45 #ifdef CONFIG_SDL
46 #if defined(__APPLE__) || defined(main)
47 #include <SDL.h>
48 int qemu_main(int argc, char **argv, char **envp);
49 int main(int argc, char **argv)
50 {
51 return qemu_main(argc, argv, NULL);
52 }
53 #undef main
54 #define main qemu_main
55 #endif
56 #endif /* CONFIG_SDL */
57
58 #ifdef CONFIG_COCOA
59 #undef main
60 #define main qemu_main
61 #endif /* CONFIG_COCOA */
62
63 #include <glib.h>
64
65 #include "hw/hw.h"
66 #include "hw/boards.h"
67 #include "hw/usb.h"
68 #include "hw/pcmcia.h"
69 #include "hw/i386/pc.h"
70 #include "hw/isa/isa.h"
71 #include "hw/bt.h"
72 #include "sysemu/watchdog.h"
73 #include "hw/i386/smbios.h"
74 #include "hw/xen/xen.h"
75 #include "hw/qdev.h"
76 #include "hw/loader.h"
77 #include "monitor/qdev.h"
78 #include "sysemu/bt.h"
79 #include "net/net.h"
80 #include "net/slirp.h"
81 #include "monitor/monitor.h"
82 #include "ui/console.h"
83 #include "sysemu/sysemu.h"
84 #include "exec/gdbstub.h"
85 #include "qemu/timer.h"
86 #include "sysemu/char.h"
87 #include "qemu/bitmap.h"
88 #include "qemu/cache-utils.h"
89 #include "sysemu/blockdev.h"
90 #include "hw/block/block.h"
91 #include "migration/block.h"
92 #include "sysemu/tpm.h"
93 #include "sysemu/dma.h"
94 #include "audio/audio.h"
95 #include "migration/migration.h"
96 #include "sysemu/kvm.h"
97 #include "qapi/qmp/qjson.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qmp-commands.h"
102 #include "qemu/main-loop.h"
103 #ifdef CONFIG_VIRTFS
104 #include "fsdev/qemu-fsdev.h"
105 #endif
106 #include "sysemu/qtest.h"
107
108 #include "disas/disas.h"
109
110 #include "qemu/sockets.h"
111
112 #include "slirp/libslirp.h"
113
114 #include "trace.h"
115 #include "trace/control.h"
116 #include "qemu/queue.h"
117 #include "sysemu/cpus.h"
118 #include "sysemu/arch_init.h"
119 #include "qemu/osdep.h"
120
121 #include "ui/qemu-spice.h"
122 #include "qapi/string-input-visitor.h"
123 #include "qom/object_interfaces.h"
124
125 #define DEFAULT_RAM_SIZE 128
126
127 #define MAX_VIRTIO_CONSOLES 1
128 #define MAX_SCLP_CONSOLES 1
129
130 static const char *data_dir[16];
131 static int data_dir_idx;
132 const char *bios_name = NULL;
133 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
134 DisplayType display_type = DT_DEFAULT;
135 static int display_remote;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 int nb_nics;
141 NICInfo nd_table[MAX_NICS];
142 int autostart;
143 static int rtc_utc = 1;
144 static int rtc_date_offset = -1; /* -1 means no change */
145 QEMUClockType rtc_clock;
146 int vga_interface_type = VGA_NONE;
147 static int full_screen = 0;
148 static int no_frame = 0;
149 int no_quit = 0;
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 #ifdef CONFIG_VNC
161 const char *vnc_display;
162 #endif
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int semihosting_enabled = 0;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 static bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
185
186 typedef struct FWBootEntry FWBootEntry;
187
188 struct FWBootEntry {
189 QTAILQ_ENTRY(FWBootEntry) link;
190 int32_t bootindex;
191 DeviceState *dev;
192 char *suffix;
193 };
194
195 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
196 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
197
198 int nb_numa_nodes;
199 uint64_t node_mem[MAX_NODES];
200 unsigned long *node_cpumask[MAX_NODES];
201
202 uint8_t qemu_uuid[16];
203 bool qemu_uuid_set;
204
205 static QEMUBootSetHandler *boot_set_handler;
206 static void *boot_set_opaque;
207
208 static NotifierList exit_notifiers =
209 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
210
211 static NotifierList machine_init_done_notifiers =
212 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
213
214 static bool tcg_allowed = true;
215 bool xen_allowed;
216 uint32_t xen_domid;
217 enum xen_mode xen_mode = XEN_EMULATE;
218 static int tcg_tb_size;
219
220 static int default_serial = 1;
221 static int default_parallel = 1;
222 static int default_virtcon = 1;
223 static int default_sclp = 1;
224 static int default_monitor = 1;
225 static int default_floppy = 1;
226 static int default_cdrom = 1;
227 static int default_sdcard = 1;
228 static int default_vga = 1;
229
230 static struct {
231 const char *driver;
232 int *flag;
233 } default_list[] = {
234 { .driver = "isa-serial", .flag = &default_serial },
235 { .driver = "isa-parallel", .flag = &default_parallel },
236 { .driver = "isa-fdc", .flag = &default_floppy },
237 { .driver = "ide-cd", .flag = &default_cdrom },
238 { .driver = "ide-hd", .flag = &default_cdrom },
239 { .driver = "ide-drive", .flag = &default_cdrom },
240 { .driver = "scsi-cd", .flag = &default_cdrom },
241 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
242 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
243 { .driver = "virtio-serial", .flag = &default_virtcon },
244 { .driver = "VGA", .flag = &default_vga },
245 { .driver = "isa-vga", .flag = &default_vga },
246 { .driver = "cirrus-vga", .flag = &default_vga },
247 { .driver = "isa-cirrus-vga", .flag = &default_vga },
248 { .driver = "vmware-svga", .flag = &default_vga },
249 { .driver = "qxl-vga", .flag = &default_vga },
250 };
251
252 static QemuOptsList qemu_rtc_opts = {
253 .name = "rtc",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
255 .desc = {
256 {
257 .name = "base",
258 .type = QEMU_OPT_STRING,
259 },{
260 .name = "clock",
261 .type = QEMU_OPT_STRING,
262 },{
263 .name = "driftfix",
264 .type = QEMU_OPT_STRING,
265 },
266 { /* end of list */ }
267 },
268 };
269
270 static QemuOptsList qemu_sandbox_opts = {
271 .name = "sandbox",
272 .implied_opt_name = "enable",
273 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
274 .desc = {
275 {
276 .name = "enable",
277 .type = QEMU_OPT_BOOL,
278 },
279 { /* end of list */ }
280 },
281 };
282
283 static QemuOptsList qemu_trace_opts = {
284 .name = "trace",
285 .implied_opt_name = "trace",
286 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
287 .desc = {
288 {
289 .name = "events",
290 .type = QEMU_OPT_STRING,
291 },{
292 .name = "file",
293 .type = QEMU_OPT_STRING,
294 },
295 { /* end of list */ }
296 },
297 };
298
299 static QemuOptsList qemu_option_rom_opts = {
300 .name = "option-rom",
301 .implied_opt_name = "romfile",
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
303 .desc = {
304 {
305 .name = "bootindex",
306 .type = QEMU_OPT_NUMBER,
307 }, {
308 .name = "romfile",
309 .type = QEMU_OPT_STRING,
310 },
311 { /* end of list */ }
312 },
313 };
314
315 static QemuOptsList qemu_machine_opts = {
316 .name = "machine",
317 .implied_opt_name = "type",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
320 .desc = {
321 {
322 .name = "type",
323 .type = QEMU_OPT_STRING,
324 .help = "emulated machine"
325 }, {
326 .name = "accel",
327 .type = QEMU_OPT_STRING,
328 .help = "accelerator list",
329 }, {
330 .name = "kernel_irqchip",
331 .type = QEMU_OPT_BOOL,
332 .help = "use KVM in-kernel irqchip",
333 }, {
334 .name = "kvm_shadow_mem",
335 .type = QEMU_OPT_SIZE,
336 .help = "KVM shadow MMU size",
337 }, {
338 .name = "kernel",
339 .type = QEMU_OPT_STRING,
340 .help = "Linux kernel image file",
341 }, {
342 .name = "initrd",
343 .type = QEMU_OPT_STRING,
344 .help = "Linux initial ramdisk file",
345 }, {
346 .name = "append",
347 .type = QEMU_OPT_STRING,
348 .help = "Linux kernel command line",
349 }, {
350 .name = "dtb",
351 .type = QEMU_OPT_STRING,
352 .help = "Linux kernel device tree file",
353 }, {
354 .name = "dumpdtb",
355 .type = QEMU_OPT_STRING,
356 .help = "Dump current dtb to a file and quit",
357 }, {
358 .name = "phandle_start",
359 .type = QEMU_OPT_NUMBER,
360 .help = "The first phandle ID we may generate dynamically",
361 }, {
362 .name = "dt_compatible",
363 .type = QEMU_OPT_STRING,
364 .help = "Overrides the \"compatible\" property of the dt root node",
365 }, {
366 .name = "dump-guest-core",
367 .type = QEMU_OPT_BOOL,
368 .help = "Include guest memory in a core dump",
369 }, {
370 .name = "mem-merge",
371 .type = QEMU_OPT_BOOL,
372 .help = "enable/disable memory merge support",
373 },{
374 .name = "usb",
375 .type = QEMU_OPT_BOOL,
376 .help = "Set on/off to enable/disable usb",
377 },{
378 .name = "firmware",
379 .type = QEMU_OPT_STRING,
380 .help = "firmware image",
381 },
382 { /* End of list */ }
383 },
384 };
385
386 static QemuOptsList qemu_boot_opts = {
387 .name = "boot-opts",
388 .implied_opt_name = "order",
389 .merge_lists = true,
390 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
391 .desc = {
392 {
393 .name = "order",
394 .type = QEMU_OPT_STRING,
395 }, {
396 .name = "once",
397 .type = QEMU_OPT_STRING,
398 }, {
399 .name = "menu",
400 .type = QEMU_OPT_BOOL,
401 }, {
402 .name = "splash",
403 .type = QEMU_OPT_STRING,
404 }, {
405 .name = "splash-time",
406 .type = QEMU_OPT_STRING,
407 }, {
408 .name = "reboot-timeout",
409 .type = QEMU_OPT_STRING,
410 }, {
411 .name = "strict",
412 .type = QEMU_OPT_BOOL,
413 },
414 { /*End of list */ }
415 },
416 };
417
418 static QemuOptsList qemu_add_fd_opts = {
419 .name = "add-fd",
420 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
421 .desc = {
422 {
423 .name = "fd",
424 .type = QEMU_OPT_NUMBER,
425 .help = "file descriptor of which a duplicate is added to fd set",
426 },{
427 .name = "set",
428 .type = QEMU_OPT_NUMBER,
429 .help = "ID of the fd set to add fd to",
430 },{
431 .name = "opaque",
432 .type = QEMU_OPT_STRING,
433 .help = "free-form string used to describe fd",
434 },
435 { /* end of list */ }
436 },
437 };
438
439 static QemuOptsList qemu_object_opts = {
440 .name = "object",
441 .implied_opt_name = "qom-type",
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
443 .desc = {
444 { }
445 },
446 };
447
448 static QemuOptsList qemu_tpmdev_opts = {
449 .name = "tpmdev",
450 .implied_opt_name = "type",
451 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
452 .desc = {
453 /* options are defined in the TPM backends */
454 { /* end of list */ }
455 },
456 };
457
458 static QemuOptsList qemu_realtime_opts = {
459 .name = "realtime",
460 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
461 .desc = {
462 {
463 .name = "mlock",
464 .type = QEMU_OPT_BOOL,
465 },
466 { /* end of list */ }
467 },
468 };
469
470 static QemuOptsList qemu_msg_opts = {
471 .name = "msg",
472 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
473 .desc = {
474 {
475 .name = "timestamp",
476 .type = QEMU_OPT_BOOL,
477 },
478 { /* end of list */ }
479 },
480 };
481
482 /**
483 * Get machine options
484 *
485 * Returns: machine options (never null).
486 */
487 QemuOpts *qemu_get_machine_opts(void)
488 {
489 QemuOptsList *list;
490 QemuOpts *opts;
491
492 list = qemu_find_opts("machine");
493 assert(list);
494 opts = qemu_opts_find(list, NULL);
495 if (!opts) {
496 opts = qemu_opts_create(list, NULL, 0, &error_abort);
497 }
498 return opts;
499 }
500
501 const char *qemu_get_vm_name(void)
502 {
503 return qemu_name;
504 }
505
506 static void res_free(void)
507 {
508 if (boot_splash_filedata != NULL) {
509 g_free(boot_splash_filedata);
510 boot_splash_filedata = NULL;
511 }
512 }
513
514 static int default_driver_check(QemuOpts *opts, void *opaque)
515 {
516 const char *driver = qemu_opt_get(opts, "driver");
517 int i;
518
519 if (!driver)
520 return 0;
521 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
522 if (strcmp(default_list[i].driver, driver) != 0)
523 continue;
524 *(default_list[i].flag) = 0;
525 }
526 return 0;
527 }
528
529 /***********************************************************/
530 /* QEMU state */
531
532 static RunState current_run_state = RUN_STATE_PRELAUNCH;
533
534 typedef struct {
535 RunState from;
536 RunState to;
537 } RunStateTransition;
538
539 static const RunStateTransition runstate_transitions_def[] = {
540 /* from -> to */
541 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
542 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
543
544 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
545 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
546
547 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
548 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
549
550 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
551 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
552
553 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
554 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
555
556 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
557 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
558
559 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
560 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
561 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
562
563 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
564 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
565
566 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
567
568 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
569 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
570 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
571 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
572 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
573 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
574 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
575 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
576 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
577 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
578
579 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
580
581 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
582 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
583
584 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
585 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
586 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
587 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
588
589 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
590 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
591
592 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
593 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
594
595 { RUN_STATE_MAX, RUN_STATE_MAX },
596 };
597
598 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
599
600 bool runstate_check(RunState state)
601 {
602 return current_run_state == state;
603 }
604
605 static void runstate_init(void)
606 {
607 const RunStateTransition *p;
608
609 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
610
611 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
612 runstate_valid_transitions[p->from][p->to] = true;
613 }
614 }
615
616 /* This function will abort() on invalid state transitions */
617 void runstate_set(RunState new_state)
618 {
619 assert(new_state < RUN_STATE_MAX);
620
621 if (!runstate_valid_transitions[current_run_state][new_state]) {
622 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
623 RunState_lookup[current_run_state],
624 RunState_lookup[new_state]);
625 abort();
626 }
627 trace_runstate_set(new_state);
628 current_run_state = new_state;
629 }
630
631 int runstate_is_running(void)
632 {
633 return runstate_check(RUN_STATE_RUNNING);
634 }
635
636 bool runstate_needs_reset(void)
637 {
638 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
639 runstate_check(RUN_STATE_SHUTDOWN);
640 }
641
642 StatusInfo *qmp_query_status(Error **errp)
643 {
644 StatusInfo *info = g_malloc0(sizeof(*info));
645
646 info->running = runstate_is_running();
647 info->singlestep = singlestep;
648 info->status = current_run_state;
649
650 return info;
651 }
652
653 /***********************************************************/
654 /* real time host monotonic timer */
655
656 /***********************************************************/
657 /* host time/date access */
658 void qemu_get_timedate(struct tm *tm, int offset)
659 {
660 time_t ti;
661
662 time(&ti);
663 ti += offset;
664 if (rtc_date_offset == -1) {
665 if (rtc_utc)
666 gmtime_r(&ti, tm);
667 else
668 localtime_r(&ti, tm);
669 } else {
670 ti -= rtc_date_offset;
671 gmtime_r(&ti, tm);
672 }
673 }
674
675 int qemu_timedate_diff(struct tm *tm)
676 {
677 time_t seconds;
678
679 if (rtc_date_offset == -1)
680 if (rtc_utc)
681 seconds = mktimegm(tm);
682 else {
683 struct tm tmp = *tm;
684 tmp.tm_isdst = -1; /* use timezone to figure it out */
685 seconds = mktime(&tmp);
686 }
687 else
688 seconds = mktimegm(tm) + rtc_date_offset;
689
690 return seconds - time(NULL);
691 }
692
693 void rtc_change_mon_event(struct tm *tm)
694 {
695 QObject *data;
696
697 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
698 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
699 qobject_decref(data);
700 }
701
702 static void configure_rtc_date_offset(const char *startdate, int legacy)
703 {
704 time_t rtc_start_date;
705 struct tm tm;
706
707 if (!strcmp(startdate, "now") && legacy) {
708 rtc_date_offset = -1;
709 } else {
710 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
711 &tm.tm_year,
712 &tm.tm_mon,
713 &tm.tm_mday,
714 &tm.tm_hour,
715 &tm.tm_min,
716 &tm.tm_sec) == 6) {
717 /* OK */
718 } else if (sscanf(startdate, "%d-%d-%d",
719 &tm.tm_year,
720 &tm.tm_mon,
721 &tm.tm_mday) == 3) {
722 tm.tm_hour = 0;
723 tm.tm_min = 0;
724 tm.tm_sec = 0;
725 } else {
726 goto date_fail;
727 }
728 tm.tm_year -= 1900;
729 tm.tm_mon--;
730 rtc_start_date = mktimegm(&tm);
731 if (rtc_start_date == -1) {
732 date_fail:
733 fprintf(stderr, "Invalid date format. Valid formats are:\n"
734 "'2006-06-17T16:01:21' or '2006-06-17'\n");
735 exit(1);
736 }
737 rtc_date_offset = time(NULL) - rtc_start_date;
738 }
739 }
740
741 static void configure_rtc(QemuOpts *opts)
742 {
743 const char *value;
744
745 value = qemu_opt_get(opts, "base");
746 if (value) {
747 if (!strcmp(value, "utc")) {
748 rtc_utc = 1;
749 } else if (!strcmp(value, "localtime")) {
750 rtc_utc = 0;
751 } else {
752 configure_rtc_date_offset(value, 0);
753 }
754 }
755 value = qemu_opt_get(opts, "clock");
756 if (value) {
757 if (!strcmp(value, "host")) {
758 rtc_clock = QEMU_CLOCK_HOST;
759 } else if (!strcmp(value, "rt")) {
760 rtc_clock = QEMU_CLOCK_REALTIME;
761 } else if (!strcmp(value, "vm")) {
762 rtc_clock = QEMU_CLOCK_VIRTUAL;
763 } else {
764 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
765 exit(1);
766 }
767 }
768 value = qemu_opt_get(opts, "driftfix");
769 if (value) {
770 if (!strcmp(value, "slew")) {
771 static GlobalProperty slew_lost_ticks[] = {
772 {
773 .driver = "mc146818rtc",
774 .property = "lost_tick_policy",
775 .value = "slew",
776 },
777 { /* end of list */ }
778 };
779
780 qdev_prop_register_global_list(slew_lost_ticks);
781 } else if (!strcmp(value, "none")) {
782 /* discard is default */
783 } else {
784 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
785 exit(1);
786 }
787 }
788 }
789
790 /***********************************************************/
791 /* Bluetooth support */
792 static int nb_hcis;
793 static int cur_hci;
794 static struct HCIInfo *hci_table[MAX_NICS];
795
796 struct HCIInfo *qemu_next_hci(void)
797 {
798 if (cur_hci == nb_hcis)
799 return &null_hci;
800
801 return hci_table[cur_hci++];
802 }
803
804 static int bt_hci_parse(const char *str)
805 {
806 struct HCIInfo *hci;
807 bdaddr_t bdaddr;
808
809 if (nb_hcis >= MAX_NICS) {
810 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
811 return -1;
812 }
813
814 hci = hci_init(str);
815 if (!hci)
816 return -1;
817
818 bdaddr.b[0] = 0x52;
819 bdaddr.b[1] = 0x54;
820 bdaddr.b[2] = 0x00;
821 bdaddr.b[3] = 0x12;
822 bdaddr.b[4] = 0x34;
823 bdaddr.b[5] = 0x56 + nb_hcis;
824 hci->bdaddr_set(hci, bdaddr.b);
825
826 hci_table[nb_hcis++] = hci;
827
828 return 0;
829 }
830
831 static void bt_vhci_add(int vlan_id)
832 {
833 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
834
835 if (!vlan->slave)
836 fprintf(stderr, "qemu: warning: adding a VHCI to "
837 "an empty scatternet %i\n", vlan_id);
838
839 bt_vhci_init(bt_new_hci(vlan));
840 }
841
842 static struct bt_device_s *bt_device_add(const char *opt)
843 {
844 struct bt_scatternet_s *vlan;
845 int vlan_id = 0;
846 char *endp = strstr(opt, ",vlan=");
847 int len = (endp ? endp - opt : strlen(opt)) + 1;
848 char devname[10];
849
850 pstrcpy(devname, MIN(sizeof(devname), len), opt);
851
852 if (endp) {
853 vlan_id = strtol(endp + 6, &endp, 0);
854 if (*endp) {
855 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
856 return 0;
857 }
858 }
859
860 vlan = qemu_find_bt_vlan(vlan_id);
861
862 if (!vlan->slave)
863 fprintf(stderr, "qemu: warning: adding a slave device to "
864 "an empty scatternet %i\n", vlan_id);
865
866 if (!strcmp(devname, "keyboard"))
867 return bt_keyboard_init(vlan);
868
869 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
870 return 0;
871 }
872
873 static int bt_parse(const char *opt)
874 {
875 const char *endp, *p;
876 int vlan;
877
878 if (strstart(opt, "hci", &endp)) {
879 if (!*endp || *endp == ',') {
880 if (*endp)
881 if (!strstart(endp, ",vlan=", 0))
882 opt = endp + 1;
883
884 return bt_hci_parse(opt);
885 }
886 } else if (strstart(opt, "vhci", &endp)) {
887 if (!*endp || *endp == ',') {
888 if (*endp) {
889 if (strstart(endp, ",vlan=", &p)) {
890 vlan = strtol(p, (char **) &endp, 0);
891 if (*endp) {
892 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
893 return 1;
894 }
895 } else {
896 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
897 return 1;
898 }
899 } else
900 vlan = 0;
901
902 bt_vhci_add(vlan);
903 return 0;
904 }
905 } else if (strstart(opt, "device:", &endp))
906 return !bt_device_add(endp);
907
908 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
909 return 1;
910 }
911
912 static int parse_sandbox(QemuOpts *opts, void *opaque)
913 {
914 /* FIXME: change this to true for 1.3 */
915 if (qemu_opt_get_bool(opts, "enable", false)) {
916 #ifdef CONFIG_SECCOMP
917 if (seccomp_start() < 0) {
918 qerror_report(ERROR_CLASS_GENERIC_ERROR,
919 "failed to install seccomp syscall filter in the kernel");
920 return -1;
921 }
922 #else
923 qerror_report(ERROR_CLASS_GENERIC_ERROR,
924 "sandboxing request but seccomp is not compiled into this build");
925 return -1;
926 #endif
927 }
928
929 return 0;
930 }
931
932 bool usb_enabled(bool default_usb)
933 {
934 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
935 }
936
937 #ifndef _WIN32
938 static int parse_add_fd(QemuOpts *opts, void *opaque)
939 {
940 int fd, dupfd, flags;
941 int64_t fdset_id;
942 const char *fd_opaque = NULL;
943
944 fd = qemu_opt_get_number(opts, "fd", -1);
945 fdset_id = qemu_opt_get_number(opts, "set", -1);
946 fd_opaque = qemu_opt_get(opts, "opaque");
947
948 if (fd < 0) {
949 qerror_report(ERROR_CLASS_GENERIC_ERROR,
950 "fd option is required and must be non-negative");
951 return -1;
952 }
953
954 if (fd <= STDERR_FILENO) {
955 qerror_report(ERROR_CLASS_GENERIC_ERROR,
956 "fd cannot be a standard I/O stream");
957 return -1;
958 }
959
960 /*
961 * All fds inherited across exec() necessarily have FD_CLOEXEC
962 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
963 */
964 flags = fcntl(fd, F_GETFD);
965 if (flags == -1 || (flags & FD_CLOEXEC)) {
966 qerror_report(ERROR_CLASS_GENERIC_ERROR,
967 "fd is not valid or already in use");
968 return -1;
969 }
970
971 if (fdset_id < 0) {
972 qerror_report(ERROR_CLASS_GENERIC_ERROR,
973 "set option is required and must be non-negative");
974 return -1;
975 }
976
977 #ifdef F_DUPFD_CLOEXEC
978 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
979 #else
980 dupfd = dup(fd);
981 if (dupfd != -1) {
982 qemu_set_cloexec(dupfd);
983 }
984 #endif
985 if (dupfd == -1) {
986 qerror_report(ERROR_CLASS_GENERIC_ERROR,
987 "Error duplicating fd: %s", strerror(errno));
988 return -1;
989 }
990
991 /* add the duplicate fd, and optionally the opaque string, to the fd set */
992 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
993 fd_opaque, NULL);
994
995 return 0;
996 }
997
998 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
999 {
1000 int fd;
1001
1002 fd = qemu_opt_get_number(opts, "fd", -1);
1003 close(fd);
1004
1005 return 0;
1006 }
1007 #endif
1008
1009 /***********************************************************/
1010 /* QEMU Block devices */
1011
1012 #define HD_OPTS "media=disk"
1013 #define CDROM_OPTS "media=cdrom"
1014 #define FD_OPTS ""
1015 #define PFLASH_OPTS ""
1016 #define MTD_OPTS ""
1017 #define SD_OPTS ""
1018
1019 static int drive_init_func(QemuOpts *opts, void *opaque)
1020 {
1021 BlockInterfaceType *block_default_type = opaque;
1022
1023 return drive_init(opts, *block_default_type) == NULL;
1024 }
1025
1026 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1027 {
1028 if (NULL == qemu_opt_get(opts, "snapshot")) {
1029 qemu_opt_set(opts, "snapshot", "on");
1030 }
1031 return 0;
1032 }
1033
1034 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1035 int index, const char *optstr)
1036 {
1037 QemuOpts *opts;
1038
1039 if (!enable || drive_get_by_index(type, index)) {
1040 return;
1041 }
1042
1043 opts = drive_add(type, index, NULL, optstr);
1044 if (snapshot) {
1045 drive_enable_snapshot(opts, NULL);
1046 }
1047 if (!drive_init(opts, type)) {
1048 exit(1);
1049 }
1050 }
1051
1052 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1053 {
1054 boot_set_handler = func;
1055 boot_set_opaque = opaque;
1056 }
1057
1058 int qemu_boot_set(const char *boot_order)
1059 {
1060 if (!boot_set_handler) {
1061 return -EINVAL;
1062 }
1063 return boot_set_handler(boot_set_opaque, boot_order);
1064 }
1065
1066 static void validate_bootdevices(const char *devices)
1067 {
1068 /* We just do some generic consistency checks */
1069 const char *p;
1070 int bitmap = 0;
1071
1072 for (p = devices; *p != '\0'; p++) {
1073 /* Allowed boot devices are:
1074 * a-b: floppy disk drives
1075 * c-f: IDE disk drives
1076 * g-m: machine implementation dependent drives
1077 * n-p: network devices
1078 * It's up to each machine implementation to check if the given boot
1079 * devices match the actual hardware implementation and firmware
1080 * features.
1081 */
1082 if (*p < 'a' || *p > 'p') {
1083 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1084 exit(1);
1085 }
1086 if (bitmap & (1 << (*p - 'a'))) {
1087 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1088 exit(1);
1089 }
1090 bitmap |= 1 << (*p - 'a');
1091 }
1092 }
1093
1094 static void restore_boot_order(void *opaque)
1095 {
1096 char *normal_boot_order = opaque;
1097 static int first = 1;
1098
1099 /* Restore boot order and remove ourselves after the first boot */
1100 if (first) {
1101 first = 0;
1102 return;
1103 }
1104
1105 qemu_boot_set(normal_boot_order);
1106
1107 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1108 g_free(normal_boot_order);
1109 }
1110
1111 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1112 const char *suffix)
1113 {
1114 FWBootEntry *node, *i;
1115
1116 if (bootindex < 0) {
1117 return;
1118 }
1119
1120 assert(dev != NULL || suffix != NULL);
1121
1122 node = g_malloc0(sizeof(FWBootEntry));
1123 node->bootindex = bootindex;
1124 node->suffix = g_strdup(suffix);
1125 node->dev = dev;
1126
1127 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1128 if (i->bootindex == bootindex) {
1129 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1130 exit(1);
1131 } else if (i->bootindex < bootindex) {
1132 continue;
1133 }
1134 QTAILQ_INSERT_BEFORE(i, node, link);
1135 return;
1136 }
1137 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1138 }
1139
1140 DeviceState *get_boot_device(uint32_t position)
1141 {
1142 uint32_t counter = 0;
1143 FWBootEntry *i = NULL;
1144 DeviceState *res = NULL;
1145
1146 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1147 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1148 if (counter == position) {
1149 res = i->dev;
1150 break;
1151 }
1152 counter++;
1153 }
1154 }
1155 return res;
1156 }
1157
1158 /*
1159 * This function returns null terminated string that consist of new line
1160 * separated device paths.
1161 *
1162 * memory pointed by "size" is assigned total length of the array in bytes
1163 *
1164 */
1165 char *get_boot_devices_list(size_t *size)
1166 {
1167 FWBootEntry *i;
1168 size_t total = 0;
1169 char *list = NULL;
1170
1171 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1172 char *devpath = NULL, *bootpath;
1173 size_t len;
1174
1175 if (i->dev) {
1176 devpath = qdev_get_fw_dev_path(i->dev);
1177 assert(devpath);
1178 }
1179
1180 if (i->suffix && devpath) {
1181 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1182
1183 bootpath = g_malloc(bootpathlen);
1184 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1185 g_free(devpath);
1186 } else if (devpath) {
1187 bootpath = devpath;
1188 } else {
1189 assert(i->suffix);
1190 bootpath = g_strdup(i->suffix);
1191 }
1192
1193 if (total) {
1194 list[total-1] = '\n';
1195 }
1196 len = strlen(bootpath) + 1;
1197 list = g_realloc(list, total + len);
1198 memcpy(&list[total], bootpath, len);
1199 total += len;
1200 g_free(bootpath);
1201 }
1202
1203 *size = total;
1204
1205 if (boot_strict && *size > 0) {
1206 list[total-1] = '\n';
1207 list = g_realloc(list, total + 5);
1208 memcpy(&list[total], "HALT", 5);
1209 *size = total + 5;
1210 }
1211 return list;
1212 }
1213
1214 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1215 {
1216 char *endptr;
1217 unsigned long long value, endvalue;
1218
1219 /* Empty CPU range strings will be considered valid, they will simply
1220 * not set any bit in the CPU bitmap.
1221 */
1222 if (!*cpus) {
1223 return;
1224 }
1225
1226 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1227 goto error;
1228 }
1229 if (*endptr == '-') {
1230 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1231 goto error;
1232 }
1233 } else if (*endptr == '\0') {
1234 endvalue = value;
1235 } else {
1236 goto error;
1237 }
1238
1239 if (endvalue >= MAX_CPUMASK_BITS) {
1240 endvalue = MAX_CPUMASK_BITS - 1;
1241 fprintf(stderr,
1242 "qemu: NUMA: A max of %d VCPUs are supported\n",
1243 MAX_CPUMASK_BITS);
1244 }
1245
1246 if (endvalue < value) {
1247 goto error;
1248 }
1249
1250 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1251 return;
1252
1253 error:
1254 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1255 exit(1);
1256 }
1257
1258 static void numa_add(const char *optarg)
1259 {
1260 char option[128];
1261 char *endptr;
1262 unsigned long long nodenr;
1263
1264 optarg = get_opt_name(option, 128, optarg, ',');
1265 if (*optarg == ',') {
1266 optarg++;
1267 }
1268 if (!strcmp(option, "node")) {
1269
1270 if (nb_numa_nodes >= MAX_NODES) {
1271 fprintf(stderr, "qemu: too many NUMA nodes\n");
1272 exit(1);
1273 }
1274
1275 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1276 nodenr = nb_numa_nodes;
1277 } else {
1278 if (parse_uint_full(option, &nodenr, 10) < 0) {
1279 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1280 exit(1);
1281 }
1282 }
1283
1284 if (nodenr >= MAX_NODES) {
1285 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1286 exit(1);
1287 }
1288
1289 if (get_param_value(option, 128, "mem", optarg) == 0) {
1290 node_mem[nodenr] = 0;
1291 } else {
1292 int64_t sval;
1293 sval = strtosz(option, &endptr);
1294 if (sval < 0 || *endptr) {
1295 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1296 exit(1);
1297 }
1298 node_mem[nodenr] = sval;
1299 }
1300 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1301 numa_node_parse_cpus(nodenr, option);
1302 }
1303 nb_numa_nodes++;
1304 } else {
1305 fprintf(stderr, "Invalid -numa option: %s\n", option);
1306 exit(1);
1307 }
1308 }
1309
1310 static QemuOptsList qemu_smp_opts = {
1311 .name = "smp-opts",
1312 .implied_opt_name = "cpus",
1313 .merge_lists = true,
1314 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1315 .desc = {
1316 {
1317 .name = "cpus",
1318 .type = QEMU_OPT_NUMBER,
1319 }, {
1320 .name = "sockets",
1321 .type = QEMU_OPT_NUMBER,
1322 }, {
1323 .name = "cores",
1324 .type = QEMU_OPT_NUMBER,
1325 }, {
1326 .name = "threads",
1327 .type = QEMU_OPT_NUMBER,
1328 }, {
1329 .name = "maxcpus",
1330 .type = QEMU_OPT_NUMBER,
1331 },
1332 { /*End of list */ }
1333 },
1334 };
1335
1336 static void smp_parse(QemuOpts *opts)
1337 {
1338 if (opts) {
1339
1340 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1341 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1342 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1343 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1344
1345 /* compute missing values, prefer sockets over cores over threads */
1346 if (cpus == 0 || sockets == 0) {
1347 sockets = sockets > 0 ? sockets : 1;
1348 cores = cores > 0 ? cores : 1;
1349 threads = threads > 0 ? threads : 1;
1350 if (cpus == 0) {
1351 cpus = cores * threads * sockets;
1352 }
1353 } else {
1354 if (cores == 0) {
1355 threads = threads > 0 ? threads : 1;
1356 cores = cpus / (sockets * threads);
1357 } else {
1358 threads = cpus / (cores * sockets);
1359 }
1360 }
1361
1362 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1363
1364 smp_cpus = cpus;
1365 smp_cores = cores > 0 ? cores : 1;
1366 smp_threads = threads > 0 ? threads : 1;
1367
1368 }
1369
1370 if (max_cpus == 0) {
1371 max_cpus = smp_cpus;
1372 }
1373
1374 if (max_cpus > 255) {
1375 fprintf(stderr, "Unsupported number of maxcpus\n");
1376 exit(1);
1377 }
1378 if (max_cpus < smp_cpus) {
1379 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1380 exit(1);
1381 }
1382
1383 }
1384
1385 static void configure_realtime(QemuOpts *opts)
1386 {
1387 bool enable_mlock;
1388
1389 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1390
1391 if (enable_mlock) {
1392 if (os_mlock() < 0) {
1393 fprintf(stderr, "qemu: locking memory failed\n");
1394 exit(1);
1395 }
1396 }
1397 }
1398
1399
1400 static void configure_msg(QemuOpts *opts)
1401 {
1402 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1403 }
1404
1405 /***********************************************************/
1406 /* USB devices */
1407
1408 static int usb_device_add(const char *devname)
1409 {
1410 USBDevice *dev = NULL;
1411 #ifndef CONFIG_LINUX
1412 const char *p;
1413 #endif
1414
1415 if (!usb_enabled(false)) {
1416 return -1;
1417 }
1418
1419 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1420 dev = usbdevice_create(devname);
1421 if (dev)
1422 goto done;
1423
1424 /* the other ones */
1425 #ifndef CONFIG_LINUX
1426 /* only the linux version is qdev-ified, usb-bsd still needs this */
1427 if (strstart(devname, "host:", &p)) {
1428 dev = usb_host_device_open(usb_bus_find(-1), p);
1429 }
1430 #endif
1431 if (!dev)
1432 return -1;
1433
1434 done:
1435 return 0;
1436 }
1437
1438 static int usb_device_del(const char *devname)
1439 {
1440 int bus_num, addr;
1441 const char *p;
1442
1443 if (strstart(devname, "host:", &p)) {
1444 return -1;
1445 }
1446
1447 if (!usb_enabled(false)) {
1448 return -1;
1449 }
1450
1451 p = strchr(devname, '.');
1452 if (!p)
1453 return -1;
1454 bus_num = strtoul(devname, NULL, 0);
1455 addr = strtoul(p + 1, NULL, 0);
1456
1457 return usb_device_delete_addr(bus_num, addr);
1458 }
1459
1460 static int usb_parse(const char *cmdline)
1461 {
1462 int r;
1463 r = usb_device_add(cmdline);
1464 if (r < 0) {
1465 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1466 }
1467 return r;
1468 }
1469
1470 void do_usb_add(Monitor *mon, const QDict *qdict)
1471 {
1472 const char *devname = qdict_get_str(qdict, "devname");
1473 if (usb_device_add(devname) < 0) {
1474 error_report("could not add USB device '%s'", devname);
1475 }
1476 }
1477
1478 void do_usb_del(Monitor *mon, const QDict *qdict)
1479 {
1480 const char *devname = qdict_get_str(qdict, "devname");
1481 if (usb_device_del(devname) < 0) {
1482 error_report("could not delete USB device '%s'", devname);
1483 }
1484 }
1485
1486 /***********************************************************/
1487 /* PCMCIA/Cardbus */
1488
1489 static struct pcmcia_socket_entry_s {
1490 PCMCIASocket *socket;
1491 struct pcmcia_socket_entry_s *next;
1492 } *pcmcia_sockets = 0;
1493
1494 void pcmcia_socket_register(PCMCIASocket *socket)
1495 {
1496 struct pcmcia_socket_entry_s *entry;
1497
1498 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1499 entry->socket = socket;
1500 entry->next = pcmcia_sockets;
1501 pcmcia_sockets = entry;
1502 }
1503
1504 void pcmcia_socket_unregister(PCMCIASocket *socket)
1505 {
1506 struct pcmcia_socket_entry_s *entry, **ptr;
1507
1508 ptr = &pcmcia_sockets;
1509 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1510 if (entry->socket == socket) {
1511 *ptr = entry->next;
1512 g_free(entry);
1513 }
1514 }
1515
1516 void pcmcia_info(Monitor *mon, const QDict *qdict)
1517 {
1518 struct pcmcia_socket_entry_s *iter;
1519
1520 if (!pcmcia_sockets)
1521 monitor_printf(mon, "No PCMCIA sockets\n");
1522
1523 for (iter = pcmcia_sockets; iter; iter = iter->next)
1524 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1525 iter->socket->attached ? iter->socket->card_string :
1526 "Empty");
1527 }
1528
1529 /***********************************************************/
1530 /* machine registration */
1531
1532 static QEMUMachine *first_machine = NULL;
1533 QEMUMachine *current_machine = NULL;
1534
1535 int qemu_register_machine(QEMUMachine *m)
1536 {
1537 QEMUMachine **pm;
1538 pm = &first_machine;
1539 while (*pm != NULL)
1540 pm = &(*pm)->next;
1541 m->next = NULL;
1542 *pm = m;
1543 return 0;
1544 }
1545
1546 static QEMUMachine *find_machine(const char *name)
1547 {
1548 QEMUMachine *m;
1549
1550 for(m = first_machine; m != NULL; m = m->next) {
1551 if (!strcmp(m->name, name))
1552 return m;
1553 if (m->alias && !strcmp(m->alias, name))
1554 return m;
1555 }
1556 return NULL;
1557 }
1558
1559 QEMUMachine *find_default_machine(void)
1560 {
1561 QEMUMachine *m;
1562
1563 for(m = first_machine; m != NULL; m = m->next) {
1564 if (m->is_default) {
1565 return m;
1566 }
1567 }
1568 return NULL;
1569 }
1570
1571 MachineInfoList *qmp_query_machines(Error **errp)
1572 {
1573 MachineInfoList *mach_list = NULL;
1574 QEMUMachine *m;
1575
1576 for (m = first_machine; m; m = m->next) {
1577 MachineInfoList *entry;
1578 MachineInfo *info;
1579
1580 info = g_malloc0(sizeof(*info));
1581 if (m->is_default) {
1582 info->has_is_default = true;
1583 info->is_default = true;
1584 }
1585
1586 if (m->alias) {
1587 info->has_alias = true;
1588 info->alias = g_strdup(m->alias);
1589 }
1590
1591 info->name = g_strdup(m->name);
1592 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1593
1594 entry = g_malloc0(sizeof(*entry));
1595 entry->value = info;
1596 entry->next = mach_list;
1597 mach_list = entry;
1598 }
1599
1600 return mach_list;
1601 }
1602
1603 /***********************************************************/
1604 /* main execution loop */
1605
1606 struct vm_change_state_entry {
1607 VMChangeStateHandler *cb;
1608 void *opaque;
1609 QLIST_ENTRY (vm_change_state_entry) entries;
1610 };
1611
1612 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1613
1614 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1615 void *opaque)
1616 {
1617 VMChangeStateEntry *e;
1618
1619 e = g_malloc0(sizeof (*e));
1620
1621 e->cb = cb;
1622 e->opaque = opaque;
1623 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1624 return e;
1625 }
1626
1627 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1628 {
1629 QLIST_REMOVE (e, entries);
1630 g_free (e);
1631 }
1632
1633 void vm_state_notify(int running, RunState state)
1634 {
1635 VMChangeStateEntry *e;
1636
1637 trace_vm_state_notify(running, state);
1638
1639 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1640 e->cb(e->opaque, running, state);
1641 }
1642 }
1643
1644 void vm_start(void)
1645 {
1646 if (!runstate_is_running()) {
1647 cpu_enable_ticks();
1648 runstate_set(RUN_STATE_RUNNING);
1649 vm_state_notify(1, RUN_STATE_RUNNING);
1650 resume_all_vcpus();
1651 monitor_protocol_event(QEVENT_RESUME, NULL);
1652 }
1653 }
1654
1655 /* reset/shutdown handler */
1656
1657 typedef struct QEMUResetEntry {
1658 QTAILQ_ENTRY(QEMUResetEntry) entry;
1659 QEMUResetHandler *func;
1660 void *opaque;
1661 } QEMUResetEntry;
1662
1663 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1664 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1665 static int reset_requested;
1666 static int shutdown_requested, shutdown_signal = -1;
1667 static pid_t shutdown_pid;
1668 static int powerdown_requested;
1669 static int debug_requested;
1670 static int suspend_requested;
1671 static WakeupReason wakeup_reason;
1672 static NotifierList powerdown_notifiers =
1673 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1674 static NotifierList suspend_notifiers =
1675 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1676 static NotifierList wakeup_notifiers =
1677 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1678 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1679 static RunState vmstop_requested = RUN_STATE_MAX;
1680
1681 int qemu_shutdown_requested_get(void)
1682 {
1683 return shutdown_requested;
1684 }
1685
1686 int qemu_reset_requested_get(void)
1687 {
1688 return reset_requested;
1689 }
1690
1691 static int qemu_shutdown_requested(void)
1692 {
1693 int r = shutdown_requested;
1694 shutdown_requested = 0;
1695 return r;
1696 }
1697
1698 static void qemu_kill_report(void)
1699 {
1700 if (!qtest_driver() && shutdown_signal != -1) {
1701 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1702 if (shutdown_pid == 0) {
1703 /* This happens for eg ^C at the terminal, so it's worth
1704 * avoiding printing an odd message in that case.
1705 */
1706 fputc('\n', stderr);
1707 } else {
1708 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1709 }
1710 shutdown_signal = -1;
1711 }
1712 }
1713
1714 static int qemu_reset_requested(void)
1715 {
1716 int r = reset_requested;
1717 reset_requested = 0;
1718 return r;
1719 }
1720
1721 static int qemu_suspend_requested(void)
1722 {
1723 int r = suspend_requested;
1724 suspend_requested = 0;
1725 return r;
1726 }
1727
1728 static WakeupReason qemu_wakeup_requested(void)
1729 {
1730 return wakeup_reason;
1731 }
1732
1733 static int qemu_powerdown_requested(void)
1734 {
1735 int r = powerdown_requested;
1736 powerdown_requested = 0;
1737 return r;
1738 }
1739
1740 static int qemu_debug_requested(void)
1741 {
1742 int r = debug_requested;
1743 debug_requested = 0;
1744 return r;
1745 }
1746
1747 /* We use RUN_STATE_MAX but any invalid value will do */
1748 static bool qemu_vmstop_requested(RunState *r)
1749 {
1750 if (vmstop_requested < RUN_STATE_MAX) {
1751 *r = vmstop_requested;
1752 vmstop_requested = RUN_STATE_MAX;
1753 return true;
1754 }
1755
1756 return false;
1757 }
1758
1759 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1760 {
1761 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1762
1763 re->func = func;
1764 re->opaque = opaque;
1765 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1766 }
1767
1768 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1769 {
1770 QEMUResetEntry *re;
1771
1772 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1773 if (re->func == func && re->opaque == opaque) {
1774 QTAILQ_REMOVE(&reset_handlers, re, entry);
1775 g_free(re);
1776 return;
1777 }
1778 }
1779 }
1780
1781 void qemu_devices_reset(void)
1782 {
1783 QEMUResetEntry *re, *nre;
1784
1785 /* reset all devices */
1786 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1787 re->func(re->opaque);
1788 }
1789 }
1790
1791 void qemu_system_reset(bool report)
1792 {
1793 if (current_machine && current_machine->reset) {
1794 current_machine->reset();
1795 } else {
1796 qemu_devices_reset();
1797 }
1798 if (report) {
1799 monitor_protocol_event(QEVENT_RESET, NULL);
1800 }
1801 cpu_synchronize_all_post_reset();
1802 }
1803
1804 void qemu_system_reset_request(void)
1805 {
1806 if (no_reboot) {
1807 shutdown_requested = 1;
1808 } else {
1809 reset_requested = 1;
1810 }
1811 cpu_stop_current();
1812 qemu_notify_event();
1813 }
1814
1815 static void qemu_system_suspend(void)
1816 {
1817 pause_all_vcpus();
1818 notifier_list_notify(&suspend_notifiers, NULL);
1819 runstate_set(RUN_STATE_SUSPENDED);
1820 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1821 }
1822
1823 void qemu_system_suspend_request(void)
1824 {
1825 if (runstate_check(RUN_STATE_SUSPENDED)) {
1826 return;
1827 }
1828 suspend_requested = 1;
1829 cpu_stop_current();
1830 qemu_notify_event();
1831 }
1832
1833 void qemu_register_suspend_notifier(Notifier *notifier)
1834 {
1835 notifier_list_add(&suspend_notifiers, notifier);
1836 }
1837
1838 void qemu_system_wakeup_request(WakeupReason reason)
1839 {
1840 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1841 return;
1842 }
1843 if (!(wakeup_reason_mask & (1 << reason))) {
1844 return;
1845 }
1846 runstate_set(RUN_STATE_RUNNING);
1847 wakeup_reason = reason;
1848 qemu_notify_event();
1849 }
1850
1851 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1852 {
1853 if (enabled) {
1854 wakeup_reason_mask |= (1 << reason);
1855 } else {
1856 wakeup_reason_mask &= ~(1 << reason);
1857 }
1858 }
1859
1860 void qemu_register_wakeup_notifier(Notifier *notifier)
1861 {
1862 notifier_list_add(&wakeup_notifiers, notifier);
1863 }
1864
1865 void qemu_system_killed(int signal, pid_t pid)
1866 {
1867 shutdown_signal = signal;
1868 shutdown_pid = pid;
1869 no_shutdown = 0;
1870 qemu_system_shutdown_request();
1871 }
1872
1873 void qemu_system_shutdown_request(void)
1874 {
1875 shutdown_requested = 1;
1876 qemu_notify_event();
1877 }
1878
1879 static void qemu_system_powerdown(void)
1880 {
1881 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1882 notifier_list_notify(&powerdown_notifiers, NULL);
1883 }
1884
1885 void qemu_system_powerdown_request(void)
1886 {
1887 powerdown_requested = 1;
1888 qemu_notify_event();
1889 }
1890
1891 void qemu_register_powerdown_notifier(Notifier *notifier)
1892 {
1893 notifier_list_add(&powerdown_notifiers, notifier);
1894 }
1895
1896 void qemu_system_debug_request(void)
1897 {
1898 debug_requested = 1;
1899 qemu_notify_event();
1900 }
1901
1902 void qemu_system_vmstop_request(RunState state)
1903 {
1904 vmstop_requested = state;
1905 qemu_notify_event();
1906 }
1907
1908 static bool main_loop_should_exit(void)
1909 {
1910 RunState r;
1911 if (qemu_debug_requested()) {
1912 vm_stop(RUN_STATE_DEBUG);
1913 }
1914 if (qemu_suspend_requested()) {
1915 qemu_system_suspend();
1916 }
1917 if (qemu_shutdown_requested()) {
1918 qemu_kill_report();
1919 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1920 if (no_shutdown) {
1921 vm_stop(RUN_STATE_SHUTDOWN);
1922 } else {
1923 return true;
1924 }
1925 }
1926 if (qemu_reset_requested()) {
1927 pause_all_vcpus();
1928 cpu_synchronize_all_states();
1929 qemu_system_reset(VMRESET_REPORT);
1930 resume_all_vcpus();
1931 if (runstate_needs_reset()) {
1932 runstate_set(RUN_STATE_PAUSED);
1933 }
1934 }
1935 if (qemu_wakeup_requested()) {
1936 pause_all_vcpus();
1937 cpu_synchronize_all_states();
1938 qemu_system_reset(VMRESET_SILENT);
1939 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1940 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1941 resume_all_vcpus();
1942 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1943 }
1944 if (qemu_powerdown_requested()) {
1945 qemu_system_powerdown();
1946 }
1947 if (qemu_vmstop_requested(&r)) {
1948 vm_stop(r);
1949 }
1950 return false;
1951 }
1952
1953 static void main_loop(void)
1954 {
1955 bool nonblocking;
1956 int last_io = 0;
1957 #ifdef CONFIG_PROFILER
1958 int64_t ti;
1959 #endif
1960 do {
1961 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1962 #ifdef CONFIG_PROFILER
1963 ti = profile_getclock();
1964 #endif
1965 last_io = main_loop_wait(nonblocking);
1966 #ifdef CONFIG_PROFILER
1967 dev_time += profile_getclock() - ti;
1968 #endif
1969 } while (!main_loop_should_exit());
1970 }
1971
1972 static void version(void)
1973 {
1974 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1975 }
1976
1977 static void help(int exitcode)
1978 {
1979 version();
1980 printf("usage: %s [options] [disk_image]\n\n"
1981 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1982 error_get_progname());
1983
1984 #define QEMU_OPTIONS_GENERATE_HELP
1985 #include "qemu-options-wrapper.h"
1986
1987 printf("\nDuring emulation, the following keys are useful:\n"
1988 "ctrl-alt-f toggle full screen\n"
1989 "ctrl-alt-n switch to virtual console 'n'\n"
1990 "ctrl-alt toggle mouse and keyboard grab\n"
1991 "\n"
1992 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1993
1994 exit(exitcode);
1995 }
1996
1997 #define HAS_ARG 0x0001
1998
1999 typedef struct QEMUOption {
2000 const char *name;
2001 int flags;
2002 int index;
2003 uint32_t arch_mask;
2004 } QEMUOption;
2005
2006 static const QEMUOption qemu_options[] = {
2007 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2008 #define QEMU_OPTIONS_GENERATE_OPTIONS
2009 #include "qemu-options-wrapper.h"
2010 { NULL },
2011 };
2012
2013 static bool vga_available(void)
2014 {
2015 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2016 }
2017
2018 static bool cirrus_vga_available(void)
2019 {
2020 return object_class_by_name("cirrus-vga")
2021 || object_class_by_name("isa-cirrus-vga");
2022 }
2023
2024 static bool vmware_vga_available(void)
2025 {
2026 return object_class_by_name("vmware-svga");
2027 }
2028
2029 static bool qxl_vga_available(void)
2030 {
2031 return object_class_by_name("qxl-vga");
2032 }
2033
2034 static void select_vgahw (const char *p)
2035 {
2036 const char *opts;
2037
2038 vga_interface_type = VGA_NONE;
2039 if (strstart(p, "std", &opts)) {
2040 if (vga_available()) {
2041 vga_interface_type = VGA_STD;
2042 } else {
2043 fprintf(stderr, "Error: standard VGA not available\n");
2044 exit(0);
2045 }
2046 } else if (strstart(p, "cirrus", &opts)) {
2047 if (cirrus_vga_available()) {
2048 vga_interface_type = VGA_CIRRUS;
2049 } else {
2050 fprintf(stderr, "Error: Cirrus VGA not available\n");
2051 exit(0);
2052 }
2053 } else if (strstart(p, "vmware", &opts)) {
2054 if (vmware_vga_available()) {
2055 vga_interface_type = VGA_VMWARE;
2056 } else {
2057 fprintf(stderr, "Error: VMWare SVGA not available\n");
2058 exit(0);
2059 }
2060 } else if (strstart(p, "xenfb", &opts)) {
2061 vga_interface_type = VGA_XENFB;
2062 } else if (strstart(p, "qxl", &opts)) {
2063 if (qxl_vga_available()) {
2064 vga_interface_type = VGA_QXL;
2065 } else {
2066 fprintf(stderr, "Error: QXL VGA not available\n");
2067 exit(0);
2068 }
2069 } else if (!strstart(p, "none", &opts)) {
2070 invalid_vga:
2071 fprintf(stderr, "Unknown vga type: %s\n", p);
2072 exit(1);
2073 }
2074 while (*opts) {
2075 const char *nextopt;
2076
2077 if (strstart(opts, ",retrace=", &nextopt)) {
2078 opts = nextopt;
2079 if (strstart(opts, "dumb", &nextopt))
2080 vga_retrace_method = VGA_RETRACE_DUMB;
2081 else if (strstart(opts, "precise", &nextopt))
2082 vga_retrace_method = VGA_RETRACE_PRECISE;
2083 else goto invalid_vga;
2084 } else goto invalid_vga;
2085 opts = nextopt;
2086 }
2087 }
2088
2089 static DisplayType select_display(const char *p)
2090 {
2091 const char *opts;
2092 DisplayType display = DT_DEFAULT;
2093
2094 if (strstart(p, "sdl", &opts)) {
2095 #ifdef CONFIG_SDL
2096 display = DT_SDL;
2097 while (*opts) {
2098 const char *nextopt;
2099
2100 if (strstart(opts, ",frame=", &nextopt)) {
2101 opts = nextopt;
2102 if (strstart(opts, "on", &nextopt)) {
2103 no_frame = 0;
2104 } else if (strstart(opts, "off", &nextopt)) {
2105 no_frame = 1;
2106 } else {
2107 goto invalid_sdl_args;
2108 }
2109 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2110 opts = nextopt;
2111 if (strstart(opts, "on", &nextopt)) {
2112 alt_grab = 1;
2113 } else if (strstart(opts, "off", &nextopt)) {
2114 alt_grab = 0;
2115 } else {
2116 goto invalid_sdl_args;
2117 }
2118 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2119 opts = nextopt;
2120 if (strstart(opts, "on", &nextopt)) {
2121 ctrl_grab = 1;
2122 } else if (strstart(opts, "off", &nextopt)) {
2123 ctrl_grab = 0;
2124 } else {
2125 goto invalid_sdl_args;
2126 }
2127 } else if (strstart(opts, ",window_close=", &nextopt)) {
2128 opts = nextopt;
2129 if (strstart(opts, "on", &nextopt)) {
2130 no_quit = 0;
2131 } else if (strstart(opts, "off", &nextopt)) {
2132 no_quit = 1;
2133 } else {
2134 goto invalid_sdl_args;
2135 }
2136 } else {
2137 invalid_sdl_args:
2138 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2139 exit(1);
2140 }
2141 opts = nextopt;
2142 }
2143 #else
2144 fprintf(stderr, "SDL support is disabled\n");
2145 exit(1);
2146 #endif
2147 } else if (strstart(p, "vnc", &opts)) {
2148 #ifdef CONFIG_VNC
2149 display_remote++;
2150
2151 if (*opts) {
2152 const char *nextopt;
2153
2154 if (strstart(opts, "=", &nextopt)) {
2155 vnc_display = nextopt;
2156 }
2157 }
2158 if (!vnc_display) {
2159 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2160 exit(1);
2161 }
2162 #else
2163 fprintf(stderr, "VNC support is disabled\n");
2164 exit(1);
2165 #endif
2166 } else if (strstart(p, "curses", &opts)) {
2167 #ifdef CONFIG_CURSES
2168 display = DT_CURSES;
2169 #else
2170 fprintf(stderr, "Curses support is disabled\n");
2171 exit(1);
2172 #endif
2173 } else if (strstart(p, "gtk", &opts)) {
2174 #ifdef CONFIG_GTK
2175 display = DT_GTK;
2176 #else
2177 fprintf(stderr, "GTK support is disabled\n");
2178 exit(1);
2179 #endif
2180 } else if (strstart(p, "none", &opts)) {
2181 display = DT_NONE;
2182 } else {
2183 fprintf(stderr, "Unknown display type: %s\n", p);
2184 exit(1);
2185 }
2186
2187 return display;
2188 }
2189
2190 static int balloon_parse(const char *arg)
2191 {
2192 QemuOpts *opts;
2193
2194 if (strcmp(arg, "none") == 0) {
2195 return 0;
2196 }
2197
2198 if (!strncmp(arg, "virtio", 6)) {
2199 if (arg[6] == ',') {
2200 /* have params -> parse them */
2201 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2202 if (!opts)
2203 return -1;
2204 } else {
2205 /* create empty opts */
2206 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2207 &error_abort);
2208 }
2209 qemu_opt_set(opts, "driver", "virtio-balloon");
2210 return 0;
2211 }
2212
2213 return -1;
2214 }
2215
2216 char *qemu_find_file(int type, const char *name)
2217 {
2218 int i;
2219 const char *subdir;
2220 char *buf;
2221
2222 /* Try the name as a straight path first */
2223 if (access(name, R_OK) == 0) {
2224 trace_load_file(name, name);
2225 return g_strdup(name);
2226 }
2227
2228 switch (type) {
2229 case QEMU_FILE_TYPE_BIOS:
2230 subdir = "";
2231 break;
2232 case QEMU_FILE_TYPE_KEYMAP:
2233 subdir = "keymaps/";
2234 break;
2235 default:
2236 abort();
2237 }
2238
2239 for (i = 0; i < data_dir_idx; i++) {
2240 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2241 if (access(buf, R_OK) == 0) {
2242 trace_load_file(name, buf);
2243 return buf;
2244 }
2245 g_free(buf);
2246 }
2247 return NULL;
2248 }
2249
2250 static int device_help_func(QemuOpts *opts, void *opaque)
2251 {
2252 return qdev_device_help(opts);
2253 }
2254
2255 static int device_init_func(QemuOpts *opts, void *opaque)
2256 {
2257 DeviceState *dev;
2258
2259 dev = qdev_device_add(opts);
2260 if (!dev)
2261 return -1;
2262 object_unref(OBJECT(dev));
2263 return 0;
2264 }
2265
2266 static int chardev_init_func(QemuOpts *opts, void *opaque)
2267 {
2268 Error *local_err = NULL;
2269
2270 qemu_chr_new_from_opts(opts, NULL, &local_err);
2271 if (local_err) {
2272 error_report("%s", error_get_pretty(local_err));
2273 error_free(local_err);
2274 return -1;
2275 }
2276 return 0;
2277 }
2278
2279 #ifdef CONFIG_VIRTFS
2280 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2281 {
2282 int ret;
2283 ret = qemu_fsdev_add(opts);
2284
2285 return ret;
2286 }
2287 #endif
2288
2289 static int mon_init_func(QemuOpts *opts, void *opaque)
2290 {
2291 CharDriverState *chr;
2292 const char *chardev;
2293 const char *mode;
2294 int flags;
2295
2296 mode = qemu_opt_get(opts, "mode");
2297 if (mode == NULL) {
2298 mode = "readline";
2299 }
2300 if (strcmp(mode, "readline") == 0) {
2301 flags = MONITOR_USE_READLINE;
2302 } else if (strcmp(mode, "control") == 0) {
2303 flags = MONITOR_USE_CONTROL;
2304 } else {
2305 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2306 exit(1);
2307 }
2308
2309 if (qemu_opt_get_bool(opts, "pretty", 0))
2310 flags |= MONITOR_USE_PRETTY;
2311
2312 if (qemu_opt_get_bool(opts, "default", 0))
2313 flags |= MONITOR_IS_DEFAULT;
2314
2315 chardev = qemu_opt_get(opts, "chardev");
2316 chr = qemu_chr_find(chardev);
2317 if (chr == NULL) {
2318 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2319 exit(1);
2320 }
2321
2322 qemu_chr_fe_claim_no_fail(chr);
2323 monitor_init(chr, flags);
2324 return 0;
2325 }
2326
2327 static void monitor_parse(const char *optarg, const char *mode)
2328 {
2329 static int monitor_device_index = 0;
2330 QemuOpts *opts;
2331 const char *p;
2332 char label[32];
2333 int def = 0;
2334
2335 if (strstart(optarg, "chardev:", &p)) {
2336 snprintf(label, sizeof(label), "%s", p);
2337 } else {
2338 snprintf(label, sizeof(label), "compat_monitor%d",
2339 monitor_device_index);
2340 if (monitor_device_index == 0) {
2341 def = 1;
2342 }
2343 opts = qemu_chr_parse_compat(label, optarg);
2344 if (!opts) {
2345 fprintf(stderr, "parse error: %s\n", optarg);
2346 exit(1);
2347 }
2348 }
2349
2350 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2351 if (!opts) {
2352 fprintf(stderr, "duplicate chardev: %s\n", label);
2353 exit(1);
2354 }
2355 qemu_opt_set(opts, "mode", mode);
2356 qemu_opt_set(opts, "chardev", label);
2357 if (def)
2358 qemu_opt_set(opts, "default", "on");
2359 monitor_device_index++;
2360 }
2361
2362 struct device_config {
2363 enum {
2364 DEV_USB, /* -usbdevice */
2365 DEV_BT, /* -bt */
2366 DEV_SERIAL, /* -serial */
2367 DEV_PARALLEL, /* -parallel */
2368 DEV_VIRTCON, /* -virtioconsole */
2369 DEV_DEBUGCON, /* -debugcon */
2370 DEV_GDB, /* -gdb, -s */
2371 DEV_SCLP, /* s390 sclp */
2372 } type;
2373 const char *cmdline;
2374 Location loc;
2375 QTAILQ_ENTRY(device_config) next;
2376 };
2377
2378 static QTAILQ_HEAD(, device_config) device_configs =
2379 QTAILQ_HEAD_INITIALIZER(device_configs);
2380
2381 static void add_device_config(int type, const char *cmdline)
2382 {
2383 struct device_config *conf;
2384
2385 conf = g_malloc0(sizeof(*conf));
2386 conf->type = type;
2387 conf->cmdline = cmdline;
2388 loc_save(&conf->loc);
2389 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2390 }
2391
2392 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2393 {
2394 struct device_config *conf;
2395 int rc;
2396
2397 QTAILQ_FOREACH(conf, &device_configs, next) {
2398 if (conf->type != type)
2399 continue;
2400 loc_push_restore(&conf->loc);
2401 rc = func(conf->cmdline);
2402 loc_pop(&conf->loc);
2403 if (0 != rc)
2404 return rc;
2405 }
2406 return 0;
2407 }
2408
2409 static int serial_parse(const char *devname)
2410 {
2411 static int index = 0;
2412 char label[32];
2413
2414 if (strcmp(devname, "none") == 0)
2415 return 0;
2416 if (index == MAX_SERIAL_PORTS) {
2417 fprintf(stderr, "qemu: too many serial ports\n");
2418 exit(1);
2419 }
2420 snprintf(label, sizeof(label), "serial%d", index);
2421 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2422 if (!serial_hds[index]) {
2423 fprintf(stderr, "qemu: could not connect serial device"
2424 " to character backend '%s'\n", devname);
2425 return -1;
2426 }
2427 index++;
2428 return 0;
2429 }
2430
2431 static int parallel_parse(const char *devname)
2432 {
2433 static int index = 0;
2434 char label[32];
2435
2436 if (strcmp(devname, "none") == 0)
2437 return 0;
2438 if (index == MAX_PARALLEL_PORTS) {
2439 fprintf(stderr, "qemu: too many parallel ports\n");
2440 exit(1);
2441 }
2442 snprintf(label, sizeof(label), "parallel%d", index);
2443 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2444 if (!parallel_hds[index]) {
2445 fprintf(stderr, "qemu: could not connect parallel device"
2446 " to character backend '%s'\n", devname);
2447 return -1;
2448 }
2449 index++;
2450 return 0;
2451 }
2452
2453 static int virtcon_parse(const char *devname)
2454 {
2455 QemuOptsList *device = qemu_find_opts("device");
2456 static int index = 0;
2457 char label[32];
2458 QemuOpts *bus_opts, *dev_opts;
2459
2460 if (strcmp(devname, "none") == 0)
2461 return 0;
2462 if (index == MAX_VIRTIO_CONSOLES) {
2463 fprintf(stderr, "qemu: too many virtio consoles\n");
2464 exit(1);
2465 }
2466
2467 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2468 if (arch_type == QEMU_ARCH_S390X) {
2469 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2470 } else {
2471 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2472 }
2473
2474 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2475 qemu_opt_set(dev_opts, "driver", "virtconsole");
2476
2477 snprintf(label, sizeof(label), "virtcon%d", index);
2478 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2479 if (!virtcon_hds[index]) {
2480 fprintf(stderr, "qemu: could not connect virtio console"
2481 " to character backend '%s'\n", devname);
2482 return -1;
2483 }
2484 qemu_opt_set(dev_opts, "chardev", label);
2485
2486 index++;
2487 return 0;
2488 }
2489
2490 static int sclp_parse(const char *devname)
2491 {
2492 QemuOptsList *device = qemu_find_opts("device");
2493 static int index = 0;
2494 char label[32];
2495 QemuOpts *dev_opts;
2496
2497 if (strcmp(devname, "none") == 0) {
2498 return 0;
2499 }
2500 if (index == MAX_SCLP_CONSOLES) {
2501 fprintf(stderr, "qemu: too many sclp consoles\n");
2502 exit(1);
2503 }
2504
2505 assert(arch_type == QEMU_ARCH_S390X);
2506
2507 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2508 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2509
2510 snprintf(label, sizeof(label), "sclpcon%d", index);
2511 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2512 if (!sclp_hds[index]) {
2513 fprintf(stderr, "qemu: could not connect sclp console"
2514 " to character backend '%s'\n", devname);
2515 return -1;
2516 }
2517 qemu_opt_set(dev_opts, "chardev", label);
2518
2519 index++;
2520 return 0;
2521 }
2522
2523 static int debugcon_parse(const char *devname)
2524 {
2525 QemuOpts *opts;
2526
2527 if (!qemu_chr_new("debugcon", devname, NULL)) {
2528 exit(1);
2529 }
2530 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2531 if (!opts) {
2532 fprintf(stderr, "qemu: already have a debugcon device\n");
2533 exit(1);
2534 }
2535 qemu_opt_set(opts, "driver", "isa-debugcon");
2536 qemu_opt_set(opts, "chardev", "debugcon");
2537 return 0;
2538 }
2539
2540 static QEMUMachine *machine_parse(const char *name)
2541 {
2542 QEMUMachine *m, *machine = NULL;
2543
2544 if (name) {
2545 machine = find_machine(name);
2546 }
2547 if (machine) {
2548 return machine;
2549 }
2550 printf("Supported machines are:\n");
2551 for (m = first_machine; m != NULL; m = m->next) {
2552 if (m->alias) {
2553 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2554 }
2555 printf("%-20s %s%s\n", m->name, m->desc,
2556 m->is_default ? " (default)" : "");
2557 }
2558 exit(!name || !is_help_option(name));
2559 }
2560
2561 static int tcg_init(void)
2562 {
2563 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2564 return 0;
2565 }
2566
2567 static struct {
2568 const char *opt_name;
2569 const char *name;
2570 int (*available)(void);
2571 int (*init)(void);
2572 bool *allowed;
2573 } accel_list[] = {
2574 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2575 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2576 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2577 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2578 };
2579
2580 static int configure_accelerator(void)
2581 {
2582 const char *p;
2583 char buf[10];
2584 int i, ret;
2585 bool accel_initialised = false;
2586 bool init_failed = false;
2587
2588 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2589 if (p == NULL) {
2590 /* Use the default "accelerator", tcg */
2591 p = "tcg";
2592 }
2593
2594 while (!accel_initialised && *p != '\0') {
2595 if (*p == ':') {
2596 p++;
2597 }
2598 p = get_opt_name(buf, sizeof (buf), p, ':');
2599 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2600 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2601 if (!accel_list[i].available()) {
2602 printf("%s not supported for this target\n",
2603 accel_list[i].name);
2604 continue;
2605 }
2606 *(accel_list[i].allowed) = true;
2607 ret = accel_list[i].init();
2608 if (ret < 0) {
2609 init_failed = true;
2610 fprintf(stderr, "failed to initialize %s: %s\n",
2611 accel_list[i].name,
2612 strerror(-ret));
2613 *(accel_list[i].allowed) = false;
2614 } else {
2615 accel_initialised = true;
2616 }
2617 break;
2618 }
2619 }
2620 if (i == ARRAY_SIZE(accel_list)) {
2621 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2622 }
2623 }
2624
2625 if (!accel_initialised) {
2626 if (!init_failed) {
2627 fprintf(stderr, "No accelerator found!\n");
2628 }
2629 exit(1);
2630 }
2631
2632 if (init_failed) {
2633 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2634 }
2635
2636 return !accel_initialised;
2637 }
2638
2639 void qemu_add_exit_notifier(Notifier *notify)
2640 {
2641 notifier_list_add(&exit_notifiers, notify);
2642 }
2643
2644 void qemu_remove_exit_notifier(Notifier *notify)
2645 {
2646 notifier_remove(notify);
2647 }
2648
2649 static void qemu_run_exit_notifiers(void)
2650 {
2651 notifier_list_notify(&exit_notifiers, NULL);
2652 }
2653
2654 void qemu_add_machine_init_done_notifier(Notifier *notify)
2655 {
2656 notifier_list_add(&machine_init_done_notifiers, notify);
2657 }
2658
2659 static void qemu_run_machine_init_done_notifiers(void)
2660 {
2661 notifier_list_notify(&machine_init_done_notifiers, NULL);
2662 }
2663
2664 static const QEMUOption *lookup_opt(int argc, char **argv,
2665 const char **poptarg, int *poptind)
2666 {
2667 const QEMUOption *popt;
2668 int optind = *poptind;
2669 char *r = argv[optind];
2670 const char *optarg;
2671
2672 loc_set_cmdline(argv, optind, 1);
2673 optind++;
2674 /* Treat --foo the same as -foo. */
2675 if (r[1] == '-')
2676 r++;
2677 popt = qemu_options;
2678 for(;;) {
2679 if (!popt->name) {
2680 error_report("invalid option");
2681 exit(1);
2682 }
2683 if (!strcmp(popt->name, r + 1))
2684 break;
2685 popt++;
2686 }
2687 if (popt->flags & HAS_ARG) {
2688 if (optind >= argc) {
2689 error_report("requires an argument");
2690 exit(1);
2691 }
2692 optarg = argv[optind++];
2693 loc_set_cmdline(argv, optind - 2, 2);
2694 } else {
2695 optarg = NULL;
2696 }
2697
2698 *poptarg = optarg;
2699 *poptind = optind;
2700
2701 return popt;
2702 }
2703
2704 static gpointer malloc_and_trace(gsize n_bytes)
2705 {
2706 void *ptr = malloc(n_bytes);
2707 trace_g_malloc(n_bytes, ptr);
2708 return ptr;
2709 }
2710
2711 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2712 {
2713 void *ptr = realloc(mem, n_bytes);
2714 trace_g_realloc(mem, n_bytes, ptr);
2715 return ptr;
2716 }
2717
2718 static void free_and_trace(gpointer mem)
2719 {
2720 trace_g_free(mem);
2721 free(mem);
2722 }
2723
2724 static int object_set_property(const char *name, const char *value, void *opaque)
2725 {
2726 Object *obj = OBJECT(opaque);
2727 StringInputVisitor *siv;
2728 Error *local_err = NULL;
2729
2730 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2731 return 0;
2732 }
2733
2734 siv = string_input_visitor_new(value);
2735 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2736 string_input_visitor_cleanup(siv);
2737
2738 if (local_err) {
2739 qerror_report_err(local_err);
2740 error_free(local_err);
2741 return -1;
2742 }
2743
2744 return 0;
2745 }
2746
2747 static int object_create(QemuOpts *opts, void *opaque)
2748 {
2749 const char *type = qemu_opt_get(opts, "qom-type");
2750 const char *id = qemu_opts_id(opts);
2751 Error *local_err = NULL;
2752 Object *obj;
2753
2754 g_assert(type != NULL);
2755
2756 if (id == NULL) {
2757 qerror_report(QERR_MISSING_PARAMETER, "id");
2758 return -1;
2759 }
2760
2761 obj = object_new(type);
2762 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2763 object_unref(obj);
2764 return -1;
2765 }
2766
2767 if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
2768 error_setg(&local_err, "object '%s' isn't supported by -object",
2769 id);
2770 goto out;
2771 }
2772
2773 user_creatable_complete(obj, &local_err);
2774 if (local_err) {
2775 goto out;
2776 }
2777
2778 object_property_add_child(container_get(object_get_root(), "/objects"),
2779 id, obj, &local_err);
2780
2781 out:
2782 object_unref(obj);
2783 if (local_err) {
2784 qerror_report_err(local_err);
2785 error_free(local_err);
2786 return -1;
2787 }
2788 return 0;
2789 }
2790
2791 int main(int argc, char **argv, char **envp)
2792 {
2793 int i;
2794 int snapshot, linux_boot;
2795 const char *icount_option = NULL;
2796 const char *initrd_filename;
2797 const char *kernel_filename, *kernel_cmdline;
2798 const char *boot_order;
2799 DisplayState *ds;
2800 int cyls, heads, secs, translation;
2801 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2802 QemuOptsList *olist;
2803 int optind;
2804 const char *optarg;
2805 const char *loadvm = NULL;
2806 QEMUMachine *machine;
2807 const char *cpu_model;
2808 const char *vga_model = "none";
2809 const char *qtest_chrdev = NULL;
2810 const char *qtest_log = NULL;
2811 const char *pid_file = NULL;
2812 const char *incoming = NULL;
2813 #ifdef CONFIG_VNC
2814 int show_vnc_port = 0;
2815 #endif
2816 bool defconfig = true;
2817 bool userconfig = true;
2818 const char *log_mask = NULL;
2819 const char *log_file = NULL;
2820 GMemVTable mem_trace = {
2821 .malloc = malloc_and_trace,
2822 .realloc = realloc_and_trace,
2823 .free = free_and_trace,
2824 };
2825 const char *trace_events = NULL;
2826 const char *trace_file = NULL;
2827
2828 atexit(qemu_run_exit_notifiers);
2829 error_set_progname(argv[0]);
2830
2831 g_mem_set_vtable(&mem_trace);
2832 if (!g_thread_supported()) {
2833 #if !GLIB_CHECK_VERSION(2, 31, 0)
2834 g_thread_init(NULL);
2835 #else
2836 fprintf(stderr, "glib threading failed to initialize.\n");
2837 exit(1);
2838 #endif
2839 }
2840
2841 module_call_init(MODULE_INIT_QOM);
2842
2843 qemu_add_opts(&qemu_drive_opts);
2844 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2845 qemu_add_drive_opts(&qemu_common_drive_opts);
2846 qemu_add_drive_opts(&qemu_drive_opts);
2847 qemu_add_opts(&qemu_chardev_opts);
2848 qemu_add_opts(&qemu_device_opts);
2849 qemu_add_opts(&qemu_netdev_opts);
2850 qemu_add_opts(&qemu_net_opts);
2851 qemu_add_opts(&qemu_rtc_opts);
2852 qemu_add_opts(&qemu_global_opts);
2853 qemu_add_opts(&qemu_mon_opts);
2854 qemu_add_opts(&qemu_trace_opts);
2855 qemu_add_opts(&qemu_option_rom_opts);
2856 qemu_add_opts(&qemu_machine_opts);
2857 qemu_add_opts(&qemu_smp_opts);
2858 qemu_add_opts(&qemu_boot_opts);
2859 qemu_add_opts(&qemu_sandbox_opts);
2860 qemu_add_opts(&qemu_add_fd_opts);
2861 qemu_add_opts(&qemu_object_opts);
2862 qemu_add_opts(&qemu_tpmdev_opts);
2863 qemu_add_opts(&qemu_realtime_opts);
2864 qemu_add_opts(&qemu_msg_opts);
2865
2866 runstate_init();
2867
2868 init_clocks();
2869 rtc_clock = QEMU_CLOCK_HOST;
2870
2871 qemu_init_auxval(envp);
2872 qemu_cache_utils_init();
2873
2874 QLIST_INIT (&vm_change_state_head);
2875 os_setup_early_signal_handling();
2876
2877 module_call_init(MODULE_INIT_MACHINE);
2878 machine = find_default_machine();
2879 cpu_model = NULL;
2880 ram_size = 0;
2881 snapshot = 0;
2882 cyls = heads = secs = 0;
2883 translation = BIOS_ATA_TRANSLATION_AUTO;
2884
2885 for (i = 0; i < MAX_NODES; i++) {
2886 node_mem[i] = 0;
2887 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2888 }
2889
2890 nb_numa_nodes = 0;
2891 nb_nics = 0;
2892
2893 bdrv_init_with_whitelist();
2894
2895 autostart = 1;
2896
2897 /* first pass of option parsing */
2898 optind = 1;
2899 while (optind < argc) {
2900 if (argv[optind][0] != '-') {
2901 /* disk image */
2902 optind++;
2903 continue;
2904 } else {
2905 const QEMUOption *popt;
2906
2907 popt = lookup_opt(argc, argv, &optarg, &optind);
2908 switch (popt->index) {
2909 case QEMU_OPTION_nodefconfig:
2910 defconfig = false;
2911 break;
2912 case QEMU_OPTION_nouserconfig:
2913 userconfig = false;
2914 break;
2915 }
2916 }
2917 }
2918
2919 if (defconfig) {
2920 int ret;
2921 ret = qemu_read_default_config_files(userconfig);
2922 if (ret < 0) {
2923 exit(1);
2924 }
2925 }
2926
2927 /* second pass of option parsing */
2928 optind = 1;
2929 for(;;) {
2930 if (optind >= argc)
2931 break;
2932 if (argv[optind][0] != '-') {
2933 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2934 } else {
2935 const QEMUOption *popt;
2936
2937 popt = lookup_opt(argc, argv, &optarg, &optind);
2938 if (!(popt->arch_mask & arch_type)) {
2939 printf("Option %s not supported for this target\n", popt->name);
2940 exit(1);
2941 }
2942 switch(popt->index) {
2943 case QEMU_OPTION_M:
2944 machine = machine_parse(optarg);
2945 break;
2946 case QEMU_OPTION_no_kvm_irqchip: {
2947 olist = qemu_find_opts("machine");
2948 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2949 break;
2950 }
2951 case QEMU_OPTION_cpu:
2952 /* hw initialization will check this */
2953 cpu_model = optarg;
2954 break;
2955 case QEMU_OPTION_hda:
2956 {
2957 char buf[256];
2958 if (cyls == 0)
2959 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2960 else
2961 snprintf(buf, sizeof(buf),
2962 "%s,cyls=%d,heads=%d,secs=%d%s",
2963 HD_OPTS , cyls, heads, secs,
2964 translation == BIOS_ATA_TRANSLATION_LBA ?
2965 ",trans=lba" :
2966 translation == BIOS_ATA_TRANSLATION_NONE ?
2967 ",trans=none" : "");
2968 drive_add(IF_DEFAULT, 0, optarg, buf);
2969 break;
2970 }
2971 case QEMU_OPTION_hdb:
2972 case QEMU_OPTION_hdc:
2973 case QEMU_OPTION_hdd:
2974 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2975 HD_OPTS);
2976 break;
2977 case QEMU_OPTION_drive:
2978 if (drive_def(optarg) == NULL) {
2979 exit(1);
2980 }
2981 break;
2982 case QEMU_OPTION_set:
2983 if (qemu_set_option(optarg) != 0)
2984 exit(1);
2985 break;
2986 case QEMU_OPTION_global:
2987 if (qemu_global_option(optarg) != 0)
2988 exit(1);
2989 break;
2990 case QEMU_OPTION_mtdblock:
2991 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2992 break;
2993 case QEMU_OPTION_sd:
2994 drive_add(IF_SD, -1, optarg, SD_OPTS);
2995 break;
2996 case QEMU_OPTION_pflash:
2997 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2998 break;
2999 case QEMU_OPTION_snapshot:
3000 snapshot = 1;
3001 break;
3002 case QEMU_OPTION_hdachs:
3003 {
3004 const char *p;
3005 p = optarg;
3006 cyls = strtol(p, (char **)&p, 0);
3007 if (cyls < 1 || cyls > 16383)
3008 goto chs_fail;
3009 if (*p != ',')
3010 goto chs_fail;
3011 p++;
3012 heads = strtol(p, (char **)&p, 0);
3013 if (heads < 1 || heads > 16)
3014 goto chs_fail;
3015 if (*p != ',')
3016 goto chs_fail;
3017 p++;
3018 secs = strtol(p, (char **)&p, 0);
3019 if (secs < 1 || secs > 63)
3020 goto chs_fail;
3021 if (*p == ',') {
3022 p++;
3023 if (!strcmp(p, "large")) {
3024 translation = BIOS_ATA_TRANSLATION_LARGE;
3025 } else if (!strcmp(p, "rechs")) {
3026 translation = BIOS_ATA_TRANSLATION_RECHS;
3027 } else if (!strcmp(p, "none")) {
3028 translation = BIOS_ATA_TRANSLATION_NONE;
3029 } else if (!strcmp(p, "lba")) {
3030 translation = BIOS_ATA_TRANSLATION_LBA;
3031 } else if (!strcmp(p, "auto")) {
3032 translation = BIOS_ATA_TRANSLATION_AUTO;
3033 } else {
3034 goto chs_fail;
3035 }
3036 } else if (*p != '\0') {
3037 chs_fail:
3038 fprintf(stderr, "qemu: invalid physical CHS format\n");
3039 exit(1);
3040 }
3041 if (hda_opts != NULL) {
3042 char num[16];
3043 snprintf(num, sizeof(num), "%d", cyls);
3044 qemu_opt_set(hda_opts, "cyls", num);
3045 snprintf(num, sizeof(num), "%d", heads);
3046 qemu_opt_set(hda_opts, "heads", num);
3047 snprintf(num, sizeof(num), "%d", secs);
3048 qemu_opt_set(hda_opts, "secs", num);
3049 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3050 qemu_opt_set(hda_opts, "trans", "large");
3051 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3052 qemu_opt_set(hda_opts, "trans", "rechs");
3053 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3054 qemu_opt_set(hda_opts, "trans", "lba");
3055 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3056 qemu_opt_set(hda_opts, "trans", "none");
3057 }
3058 }
3059 }
3060 break;
3061 case QEMU_OPTION_numa:
3062 numa_add(optarg);
3063 break;
3064 case QEMU_OPTION_display:
3065 display_type = select_display(optarg);
3066 break;
3067 case QEMU_OPTION_nographic:
3068 display_type = DT_NOGRAPHIC;
3069 break;
3070 case QEMU_OPTION_curses:
3071 #ifdef CONFIG_CURSES
3072 display_type = DT_CURSES;
3073 #else
3074 fprintf(stderr, "Curses support is disabled\n");
3075 exit(1);
3076 #endif
3077 break;
3078 case QEMU_OPTION_portrait:
3079 graphic_rotate = 90;
3080 break;
3081 case QEMU_OPTION_rotate:
3082 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3083 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3084 graphic_rotate != 180 && graphic_rotate != 270) {
3085 fprintf(stderr,
3086 "qemu: only 90, 180, 270 deg rotation is available\n");
3087 exit(1);
3088 }
3089 break;
3090 case QEMU_OPTION_kernel:
3091 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3092 break;
3093 case QEMU_OPTION_initrd:
3094 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3095 break;
3096 case QEMU_OPTION_append:
3097 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3098 break;
3099 case QEMU_OPTION_dtb:
3100 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3101 break;
3102 case QEMU_OPTION_cdrom:
3103 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3104 break;
3105 case QEMU_OPTION_boot:
3106 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3107 if (!opts) {
3108 exit(1);
3109 }
3110 break;
3111 case QEMU_OPTION_fda:
3112 case QEMU_OPTION_fdb:
3113 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3114 optarg, FD_OPTS);
3115 break;
3116 case QEMU_OPTION_no_fd_bootchk:
3117 fd_bootchk = 0;
3118 break;
3119 case QEMU_OPTION_netdev:
3120 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3121 exit(1);
3122 }
3123 break;
3124 case QEMU_OPTION_net:
3125 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3126 exit(1);
3127 }
3128 break;
3129 #ifdef CONFIG_LIBISCSI
3130 case QEMU_OPTION_iscsi:
3131 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3132 if (!opts) {
3133 exit(1);
3134 }
3135 break;
3136 #endif
3137 #ifdef CONFIG_SLIRP
3138 case QEMU_OPTION_tftp:
3139 legacy_tftp_prefix = optarg;
3140 break;
3141 case QEMU_OPTION_bootp:
3142 legacy_bootp_filename = optarg;
3143 break;
3144 case QEMU_OPTION_redir:
3145 if (net_slirp_redir(optarg) < 0)
3146 exit(1);
3147 break;
3148 #endif
3149 case QEMU_OPTION_bt:
3150 add_device_config(DEV_BT, optarg);
3151 break;
3152 case QEMU_OPTION_audio_help:
3153 AUD_help ();
3154 exit (0);
3155 break;
3156 case QEMU_OPTION_soundhw:
3157 select_soundhw (optarg);
3158 break;
3159 case QEMU_OPTION_h:
3160 help(0);
3161 break;
3162 case QEMU_OPTION_version:
3163 version();
3164 exit(0);
3165 break;
3166 case QEMU_OPTION_m: {
3167 int64_t value;
3168 uint64_t sz;
3169 char *end;
3170
3171 value = strtosz(optarg, &end);
3172 if (value < 0 || *end) {
3173 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3174 exit(1);
3175 }
3176 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3177 ram_size = sz;
3178 if (ram_size != sz) {
3179 fprintf(stderr, "qemu: ram size too large\n");
3180 exit(1);
3181 }
3182 break;
3183 }
3184 #ifdef CONFIG_TPM
3185 case QEMU_OPTION_tpmdev:
3186 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3187 exit(1);
3188 }
3189 break;
3190 #endif
3191 case QEMU_OPTION_mempath:
3192 mem_path = optarg;
3193 break;
3194 case QEMU_OPTION_mem_prealloc:
3195 mem_prealloc = 1;
3196 break;
3197 case QEMU_OPTION_d:
3198 log_mask = optarg;
3199 break;
3200 case QEMU_OPTION_D:
3201 log_file = optarg;
3202 break;
3203 case QEMU_OPTION_s:
3204 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3205 break;
3206 case QEMU_OPTION_gdb:
3207 add_device_config(DEV_GDB, optarg);
3208 break;
3209 case QEMU_OPTION_L:
3210 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3211 data_dir[data_dir_idx++] = optarg;
3212 }
3213 break;
3214 case QEMU_OPTION_bios:
3215 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3216 break;
3217 case QEMU_OPTION_singlestep:
3218 singlestep = 1;
3219 break;
3220 case QEMU_OPTION_S:
3221 autostart = 0;
3222 break;
3223 case QEMU_OPTION_k:
3224 keyboard_layout = optarg;
3225 break;
3226 case QEMU_OPTION_localtime:
3227 rtc_utc = 0;
3228 break;
3229 case QEMU_OPTION_vga:
3230 vga_model = optarg;
3231 default_vga = 0;
3232 break;
3233 case QEMU_OPTION_g:
3234 {
3235 const char *p;
3236 int w, h, depth;
3237 p = optarg;
3238 w = strtol(p, (char **)&p, 10);
3239 if (w <= 0) {
3240 graphic_error:
3241 fprintf(stderr, "qemu: invalid resolution or depth\n");
3242 exit(1);
3243 }
3244 if (*p != 'x')
3245 goto graphic_error;
3246 p++;
3247 h = strtol(p, (char **)&p, 10);
3248 if (h <= 0)
3249 goto graphic_error;
3250 if (*p == 'x') {
3251 p++;
3252 depth = strtol(p, (char **)&p, 10);
3253 if (depth != 8 && depth != 15 && depth != 16 &&
3254 depth != 24 && depth != 32)
3255 goto graphic_error;
3256 } else if (*p == '\0') {
3257 depth = graphic_depth;
3258 } else {
3259 goto graphic_error;
3260 }
3261
3262 graphic_width = w;
3263 graphic_height = h;
3264 graphic_depth = depth;
3265 }
3266 break;
3267 case QEMU_OPTION_echr:
3268 {
3269 char *r;
3270 term_escape_char = strtol(optarg, &r, 0);
3271 if (r == optarg)
3272 printf("Bad argument to echr\n");
3273 break;
3274 }
3275 case QEMU_OPTION_monitor:
3276 default_monitor = 0;
3277 if (strncmp(optarg, "none", 4)) {
3278 monitor_parse(optarg, "readline");
3279 }
3280 break;
3281 case QEMU_OPTION_qmp:
3282 monitor_parse(optarg, "control");
3283 default_monitor = 0;
3284 break;
3285 case QEMU_OPTION_mon:
3286 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3287 if (!opts) {
3288 exit(1);
3289 }
3290 default_monitor = 0;
3291 break;
3292 case QEMU_OPTION_chardev:
3293 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3294 if (!opts) {
3295 exit(1);
3296 }
3297 break;
3298 case QEMU_OPTION_fsdev:
3299 olist = qemu_find_opts("fsdev");
3300 if (!olist) {
3301 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3302 exit(1);
3303 }
3304 opts = qemu_opts_parse(olist, optarg, 1);
3305 if (!opts) {
3306 exit(1);
3307 }
3308 break;
3309 case QEMU_OPTION_virtfs: {
3310 QemuOpts *fsdev;
3311 QemuOpts *device;
3312 const char *writeout, *sock_fd, *socket;
3313
3314 olist = qemu_find_opts("virtfs");
3315 if (!olist) {
3316 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3317 exit(1);
3318 }
3319 opts = qemu_opts_parse(olist, optarg, 1);
3320 if (!opts) {
3321 exit(1);
3322 }
3323
3324 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3325 qemu_opt_get(opts, "mount_tag") == NULL) {
3326 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3327 exit(1);
3328 }
3329 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3330 qemu_opt_get(opts, "mount_tag"),
3331 1, NULL);
3332 if (!fsdev) {
3333 fprintf(stderr, "duplicate fsdev id: %s\n",
3334 qemu_opt_get(opts, "mount_tag"));
3335 exit(1);
3336 }
3337
3338 writeout = qemu_opt_get(opts, "writeout");
3339 if (writeout) {
3340 #ifdef CONFIG_SYNC_FILE_RANGE
3341 qemu_opt_set(fsdev, "writeout", writeout);
3342 #else
3343 fprintf(stderr, "writeout=immediate not supported on "
3344 "this platform\n");
3345 exit(1);
3346 #endif
3347 }
3348 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3349 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3350 qemu_opt_set(fsdev, "security_model",
3351 qemu_opt_get(opts, "security_model"));
3352 socket = qemu_opt_get(opts, "socket");
3353 if (socket) {
3354 qemu_opt_set(fsdev, "socket", socket);
3355 }
3356 sock_fd = qemu_opt_get(opts, "sock_fd");
3357 if (sock_fd) {
3358 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3359 }
3360
3361 qemu_opt_set_bool(fsdev, "readonly",
3362 qemu_opt_get_bool(opts, "readonly", 0));
3363 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3364 &error_abort);
3365 qemu_opt_set(device, "driver", "virtio-9p-pci");
3366 qemu_opt_set(device, "fsdev",
3367 qemu_opt_get(opts, "mount_tag"));
3368 qemu_opt_set(device, "mount_tag",
3369 qemu_opt_get(opts, "mount_tag"));
3370 break;
3371 }
3372 case QEMU_OPTION_virtfs_synth: {
3373 QemuOpts *fsdev;
3374 QemuOpts *device;
3375
3376 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3377 1, NULL);
3378 if (!fsdev) {
3379 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3380 exit(1);
3381 }
3382 qemu_opt_set(fsdev, "fsdriver", "synth");
3383
3384 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3385 &error_abort);
3386 qemu_opt_set(device, "driver", "virtio-9p-pci");
3387 qemu_opt_set(device, "fsdev", "v_synth");
3388 qemu_opt_set(device, "mount_tag", "v_synth");
3389 break;
3390 }
3391 case QEMU_OPTION_serial:
3392 add_device_config(DEV_SERIAL, optarg);
3393 default_serial = 0;
3394 if (strncmp(optarg, "mon:", 4) == 0) {
3395 default_monitor = 0;
3396 }
3397 break;
3398 case QEMU_OPTION_watchdog:
3399 if (watchdog) {
3400 fprintf(stderr,
3401 "qemu: only one watchdog option may be given\n");
3402 return 1;
3403 }
3404 watchdog = optarg;
3405 break;
3406 case QEMU_OPTION_watchdog_action:
3407 if (select_watchdog_action(optarg) == -1) {
3408 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3409 exit(1);
3410 }
3411 break;
3412 case QEMU_OPTION_virtiocon:
3413 add_device_config(DEV_VIRTCON, optarg);
3414 default_virtcon = 0;
3415 if (strncmp(optarg, "mon:", 4) == 0) {
3416 default_monitor = 0;
3417 }
3418 break;
3419 case QEMU_OPTION_parallel:
3420 add_device_config(DEV_PARALLEL, optarg);
3421 default_parallel = 0;
3422 if (strncmp(optarg, "mon:", 4) == 0) {
3423 default_monitor = 0;
3424 }
3425 break;
3426 case QEMU_OPTION_debugcon:
3427 add_device_config(DEV_DEBUGCON, optarg);
3428 break;
3429 case QEMU_OPTION_loadvm:
3430 loadvm = optarg;
3431 break;
3432 case QEMU_OPTION_full_screen:
3433 full_screen = 1;
3434 break;
3435 case QEMU_OPTION_no_frame:
3436 no_frame = 1;
3437 break;
3438 case QEMU_OPTION_alt_grab:
3439 alt_grab = 1;
3440 break;
3441 case QEMU_OPTION_ctrl_grab:
3442 ctrl_grab = 1;
3443 break;
3444 case QEMU_OPTION_no_quit:
3445 no_quit = 1;
3446 break;
3447 case QEMU_OPTION_sdl:
3448 #ifdef CONFIG_SDL
3449 display_type = DT_SDL;
3450 break;
3451 #else
3452 fprintf(stderr, "SDL support is disabled\n");
3453 exit(1);
3454 #endif
3455 case QEMU_OPTION_pidfile:
3456 pid_file = optarg;
3457 break;
3458 case QEMU_OPTION_win2k_hack:
3459 win2k_install_hack = 1;
3460 break;
3461 case QEMU_OPTION_rtc_td_hack: {
3462 static GlobalProperty slew_lost_ticks[] = {
3463 {
3464 .driver = "mc146818rtc",
3465 .property = "lost_tick_policy",
3466 .value = "slew",
3467 },
3468 { /* end of list */ }
3469 };
3470
3471 qdev_prop_register_global_list(slew_lost_ticks);
3472 break;
3473 }
3474 case QEMU_OPTION_acpitable:
3475 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3476 if (!opts) {
3477 exit(1);
3478 }
3479 do_acpitable_option(opts);
3480 break;
3481 case QEMU_OPTION_smbios:
3482 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3483 if (!opts) {
3484 exit(1);
3485 }
3486 do_smbios_option(opts);
3487 break;
3488 case QEMU_OPTION_enable_kvm:
3489 olist = qemu_find_opts("machine");
3490 qemu_opts_parse(olist, "accel=kvm", 0);
3491 break;
3492 case QEMU_OPTION_machine:
3493 olist = qemu_find_opts("machine");
3494 opts = qemu_opts_parse(olist, optarg, 1);
3495 if (!opts) {
3496 exit(1);
3497 }
3498 optarg = qemu_opt_get(opts, "type");
3499 if (optarg) {
3500 machine = machine_parse(optarg);
3501 }
3502 break;
3503 case QEMU_OPTION_no_kvm:
3504 olist = qemu_find_opts("machine");
3505 qemu_opts_parse(olist, "accel=tcg", 0);
3506 break;
3507 case QEMU_OPTION_no_kvm_pit: {
3508 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3509 "separately.\n");
3510 break;
3511 }
3512 case QEMU_OPTION_no_kvm_pit_reinjection: {
3513 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3514 {
3515 .driver = "kvm-pit",
3516 .property = "lost_tick_policy",
3517 .value = "discard",
3518 },
3519 { /* end of list */ }
3520 };
3521
3522 fprintf(stderr, "Warning: option deprecated, use "
3523 "lost_tick_policy property of kvm-pit instead.\n");
3524 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3525 break;
3526 }
3527 case QEMU_OPTION_usb:
3528 olist = qemu_find_opts("machine");
3529 qemu_opts_parse(olist, "usb=on", 0);
3530 break;
3531 case QEMU_OPTION_usbdevice:
3532 olist = qemu_find_opts("machine");
3533 qemu_opts_parse(olist, "usb=on", 0);
3534 add_device_config(DEV_USB, optarg);
3535 break;
3536 case QEMU_OPTION_device:
3537 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3538 exit(1);
3539 }
3540 break;
3541 case QEMU_OPTION_smp:
3542 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3543 exit(1);
3544 }
3545 break;
3546 case QEMU_OPTION_vnc:
3547 #ifdef CONFIG_VNC
3548 display_remote++;
3549 vnc_display = optarg;
3550 #else
3551 fprintf(stderr, "VNC support is disabled\n");
3552 exit(1);
3553 #endif
3554 break;
3555 case QEMU_OPTION_no_acpi:
3556 acpi_enabled = 0;
3557 break;
3558 case QEMU_OPTION_no_hpet:
3559 no_hpet = 1;
3560 break;
3561 case QEMU_OPTION_balloon:
3562 if (balloon_parse(optarg) < 0) {
3563 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3564 exit(1);
3565 }
3566 break;
3567 case QEMU_OPTION_no_reboot:
3568 no_reboot = 1;
3569 break;
3570 case QEMU_OPTION_no_shutdown:
3571 no_shutdown = 1;
3572 break;
3573 case QEMU_OPTION_show_cursor:
3574 cursor_hide = 0;
3575 break;
3576 case QEMU_OPTION_uuid:
3577 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3578 fprintf(stderr, "Fail to parse UUID string."
3579 " Wrong format.\n");
3580 exit(1);
3581 }
3582 qemu_uuid_set = true;
3583 break;
3584 case QEMU_OPTION_option_rom:
3585 if (nb_option_roms >= MAX_OPTION_ROMS) {
3586 fprintf(stderr, "Too many option ROMs\n");
3587 exit(1);
3588 }
3589 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3590 if (!opts) {
3591 exit(1);
3592 }
3593 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3594 option_rom[nb_option_roms].bootindex =
3595 qemu_opt_get_number(opts, "bootindex", -1);
3596 if (!option_rom[nb_option_roms].name) {
3597 fprintf(stderr, "Option ROM file is not specified\n");
3598 exit(1);
3599 }
3600 nb_option_roms++;
3601 break;
3602 case QEMU_OPTION_semihosting:
3603 semihosting_enabled = 1;
3604 break;
3605 case QEMU_OPTION_tdf:
3606 fprintf(stderr, "Warning: user space PIT time drift fix "
3607 "is no longer supported.\n");
3608 break;
3609 case QEMU_OPTION_name:
3610 qemu_name = g_strdup(optarg);
3611 {
3612 char *p = strchr(qemu_name, ',');
3613 if (p != NULL) {
3614 *p++ = 0;
3615 if (strncmp(p, "process=", 8)) {
3616 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3617 exit(1);
3618 }
3619 p += 8;
3620 os_set_proc_name(p);
3621 }
3622 }
3623 break;
3624 case QEMU_OPTION_prom_env:
3625 if (nb_prom_envs >= MAX_PROM_ENVS) {
3626 fprintf(stderr, "Too many prom variables\n");
3627 exit(1);
3628 }
3629 prom_envs[nb_prom_envs] = optarg;
3630 nb_prom_envs++;
3631 break;
3632 case QEMU_OPTION_old_param:
3633 old_param = 1;
3634 break;
3635 case QEMU_OPTION_clock:
3636 /* Clock options no longer exist. Keep this option for
3637 * backward compatibility.
3638 */
3639 break;
3640 case QEMU_OPTION_startdate:
3641 configure_rtc_date_offset(optarg, 1);
3642 break;
3643 case QEMU_OPTION_rtc:
3644 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3645 if (!opts) {
3646 exit(1);
3647 }
3648 configure_rtc(opts);
3649 break;
3650 case QEMU_OPTION_tb_size:
3651 tcg_tb_size = strtol(optarg, NULL, 0);
3652 if (tcg_tb_size < 0) {
3653 tcg_tb_size = 0;
3654 }
3655 break;
3656 case QEMU_OPTION_icount:
3657 icount_option = optarg;
3658 break;
3659 case QEMU_OPTION_incoming:
3660 incoming = optarg;
3661 runstate_set(RUN_STATE_INMIGRATE);
3662 break;
3663 case QEMU_OPTION_nodefaults:
3664 default_serial = 0;
3665 default_parallel = 0;
3666 default_virtcon = 0;
3667 default_sclp = 0;
3668 default_monitor = 0;
3669 default_net = 0;
3670 default_floppy = 0;
3671 default_cdrom = 0;
3672 default_sdcard = 0;
3673 default_vga = 0;
3674 break;
3675 case QEMU_OPTION_xen_domid:
3676 if (!(xen_available())) {
3677 printf("Option %s not supported for this target\n", popt->name);
3678 exit(1);
3679 }
3680 xen_domid = atoi(optarg);
3681 break;
3682 case QEMU_OPTION_xen_create:
3683 if (!(xen_available())) {
3684 printf("Option %s not supported for this target\n", popt->name);
3685 exit(1);
3686 }
3687 xen_mode = XEN_CREATE;
3688 break;
3689 case QEMU_OPTION_xen_attach:
3690 if (!(xen_available())) {
3691 printf("Option %s not supported for this target\n", popt->name);
3692 exit(1);
3693 }
3694 xen_mode = XEN_ATTACH;
3695 break;
3696 case QEMU_OPTION_trace:
3697 {
3698 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3699 if (!opts) {
3700 exit(1);
3701 }
3702 trace_events = qemu_opt_get(opts, "events");
3703 trace_file = qemu_opt_get(opts, "file");
3704 break;
3705 }
3706 case QEMU_OPTION_readconfig:
3707 {
3708 int ret = qemu_read_config_file(optarg);
3709 if (ret < 0) {
3710 fprintf(stderr, "read config %s: %s\n", optarg,
3711 strerror(-ret));
3712 exit(1);
3713 }
3714 break;
3715 }
3716 case QEMU_OPTION_spice:
3717 olist = qemu_find_opts("spice");
3718 if (!olist) {
3719 fprintf(stderr, "spice is not supported by this qemu build.\n");
3720 exit(1);
3721 }
3722 opts = qemu_opts_parse(olist, optarg, 0);
3723 if (!opts) {
3724 exit(1);
3725 }
3726 display_remote++;
3727 break;
3728 case QEMU_OPTION_writeconfig:
3729 {
3730 FILE *fp;
3731 if (strcmp(optarg, "-") == 0) {
3732 fp = stdout;
3733 } else {
3734 fp = fopen(optarg, "w");
3735 if (fp == NULL) {
3736 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3737 exit(1);
3738 }
3739 }
3740 qemu_config_write(fp);
3741 fclose(fp);
3742 break;
3743 }
3744 case QEMU_OPTION_qtest:
3745 qtest_chrdev = optarg;
3746 break;
3747 case QEMU_OPTION_qtest_log:
3748 qtest_log = optarg;
3749 break;
3750 case QEMU_OPTION_sandbox:
3751 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3752 if (!opts) {
3753 exit(1);
3754 }
3755 break;
3756 case QEMU_OPTION_add_fd:
3757 #ifndef _WIN32
3758 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3759 if (!opts) {
3760 exit(1);
3761 }
3762 #else
3763 error_report("File descriptor passing is disabled on this "
3764 "platform");
3765 exit(1);
3766 #endif
3767 break;
3768 case QEMU_OPTION_object:
3769 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3770 if (!opts) {
3771 exit(1);
3772 }
3773 break;
3774 case QEMU_OPTION_realtime:
3775 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3776 if (!opts) {
3777 exit(1);
3778 }
3779 configure_realtime(opts);
3780 break;
3781 case QEMU_OPTION_msg:
3782 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3783 if (!opts) {
3784 exit(1);
3785 }
3786 configure_msg(opts);
3787 break;
3788 default:
3789 os_parse_cmd_args(popt->index, optarg);
3790 }
3791 }
3792 }
3793 loc_set_none();
3794
3795 if (qemu_init_main_loop()) {
3796 fprintf(stderr, "qemu_init_main_loop failed\n");
3797 exit(1);
3798 }
3799
3800 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3801 exit(1);
3802 }
3803
3804 #ifndef _WIN32
3805 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3806 exit(1);
3807 }
3808
3809 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3810 exit(1);
3811 }
3812 #endif
3813
3814 if (machine == NULL) {
3815 fprintf(stderr, "No machine found.\n");
3816 exit(1);
3817 }
3818
3819 if (machine->hw_version) {
3820 qemu_set_version(machine->hw_version);
3821 }
3822
3823 if (qemu_opts_foreach(qemu_find_opts("object"),
3824 object_create, NULL, 0) != 0) {
3825 exit(1);
3826 }
3827
3828 /* Init CPU def lists, based on config
3829 * - Must be called after all the qemu_read_config_file() calls
3830 * - Must be called before list_cpus()
3831 * - Must be called before machine->init()
3832 */
3833 cpudef_init();
3834
3835 if (cpu_model && is_help_option(cpu_model)) {
3836 list_cpus(stdout, &fprintf, cpu_model);
3837 exit(0);
3838 }
3839
3840 /* Open the logfile at this point, if necessary. We can't open the logfile
3841 * when encountering either of the logging options (-d or -D) because the
3842 * other one may be encountered later on the command line, changing the
3843 * location or level of logging.
3844 */
3845 if (log_mask) {
3846 int mask;
3847 if (log_file) {
3848 qemu_set_log_filename(log_file);
3849 }
3850
3851 mask = qemu_str_to_log_mask(log_mask);
3852 if (!mask) {
3853 qemu_print_log_usage(stdout);
3854 exit(1);
3855 }
3856 qemu_set_log(mask);
3857 }
3858
3859 if (!is_daemonized()) {
3860 if (!trace_backend_init(trace_events, trace_file)) {
3861 exit(1);
3862 }
3863 }
3864
3865 /* If no data_dir is specified then try to find it relative to the
3866 executable path. */
3867 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3868 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3869 if (data_dir[data_dir_idx] != NULL) {
3870 data_dir_idx++;
3871 }
3872 }
3873 /* If all else fails use the install path specified when building. */
3874 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3875 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3876 }
3877
3878 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3879
3880 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3881 if (smp_cpus > machine->max_cpus) {
3882 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3883 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3884 machine->max_cpus);
3885 exit(1);
3886 }
3887
3888 /*
3889 * Get the default machine options from the machine if it is not already
3890 * specified either by the configuration file or by the command line.
3891 */
3892 if (machine->default_machine_opts) {
3893 qemu_opts_set_defaults(qemu_find_opts("machine"),
3894 machine->default_machine_opts, 0);
3895 }
3896
3897 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3898 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3899
3900 if (machine->no_serial) {
3901 default_serial = 0;
3902 }
3903 if (machine->no_parallel) {
3904 default_parallel = 0;
3905 }
3906 if (!machine->use_virtcon) {
3907 default_virtcon = 0;
3908 }
3909 if (!machine->use_sclp) {
3910 default_sclp = 0;
3911 }
3912 if (machine->no_floppy) {
3913 default_floppy = 0;
3914 }
3915 if (machine->no_cdrom) {
3916 default_cdrom = 0;
3917 }
3918 if (machine->no_sdcard) {
3919 default_sdcard = 0;
3920 }
3921
3922 if (is_daemonized()) {
3923 /* According to documentation and historically, -nographic redirects
3924 * serial port, parallel port and monitor to stdio, which does not work
3925 * with -daemonize. We can redirect these to null instead, but since
3926 * -nographic is legacy, let's just error out.
3927 * We disallow -nographic only if all other ports are not redirected
3928 * explicitly, to not break existing legacy setups which uses
3929 * -nographic _and_ redirects all ports explicitly - this is valid
3930 * usage, -nographic is just a no-op in this case.
3931 */
3932 if (display_type == DT_NOGRAPHIC
3933 && (default_parallel || default_serial
3934 || default_monitor || default_virtcon)) {
3935 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3936 exit(1);
3937 }
3938 #ifdef CONFIG_CURSES
3939 if (display_type == DT_CURSES) {
3940 fprintf(stderr, "curses display can not be used with -daemonize\n");
3941 exit(1);
3942 }
3943 #endif
3944 }
3945
3946 if (display_type == DT_NOGRAPHIC) {
3947 if (default_parallel)
3948 add_device_config(DEV_PARALLEL, "null");
3949 if (default_serial && default_monitor) {
3950 add_device_config(DEV_SERIAL, "mon:stdio");
3951 } else if (default_virtcon && default_monitor) {
3952 add_device_config(DEV_VIRTCON, "mon:stdio");
3953 } else if (default_sclp && default_monitor) {
3954 add_device_config(DEV_SCLP, "mon:stdio");
3955 } else {
3956 if (default_serial)
3957 add_device_config(DEV_SERIAL, "stdio");
3958 if (default_virtcon)
3959 add_device_config(DEV_VIRTCON, "stdio");
3960 if (default_sclp) {
3961 add_device_config(DEV_SCLP, "stdio");
3962 }
3963 if (default_monitor)
3964 monitor_parse("stdio", "readline");
3965 }
3966 } else {
3967 if (default_serial)
3968 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3969 if (default_parallel)
3970 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3971 if (default_monitor)
3972 monitor_parse("vc:80Cx24C", "readline");
3973 if (default_virtcon)
3974 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3975 if (default_sclp) {
3976 add_device_config(DEV_SCLP, "vc:80Cx24C");
3977 }
3978 }
3979
3980 if (display_type == DT_DEFAULT && !display_remote) {
3981 #if defined(CONFIG_GTK)
3982 display_type = DT_GTK;
3983 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3984 display_type = DT_SDL;
3985 #elif defined(CONFIG_VNC)
3986 vnc_display = "localhost:0,to=99";
3987 show_vnc_port = 1;
3988 #else
3989 display_type = DT_NONE;
3990 #endif
3991 }
3992
3993 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3994 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3995 "for SDL, ignoring option\n");
3996 }
3997 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3998 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3999 "ignoring option\n");
4000 }
4001
4002 #if defined(CONFIG_GTK)
4003 if (display_type == DT_GTK) {
4004 early_gtk_display_init();
4005 }
4006 #endif
4007
4008 socket_init();
4009
4010 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4011 exit(1);
4012 #ifdef CONFIG_VIRTFS
4013 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4014 exit(1);
4015 }
4016 #endif
4017
4018 os_daemonize();
4019
4020 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4021 os_pidfile_error();
4022 exit(1);
4023 }
4024
4025 /* init the memory */
4026 if (ram_size == 0) {
4027 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4028 }
4029
4030 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4031 != 0) {
4032 exit(0);
4033 }
4034
4035 configure_accelerator();
4036
4037 if (qtest_chrdev) {
4038 Error *local_err = NULL;
4039 qtest_init(qtest_chrdev, qtest_log, &local_err);
4040 if (local_err) {
4041 error_report("%s", error_get_pretty(local_err));
4042 error_free(local_err);
4043 exit(1);
4044 }
4045 }
4046
4047 machine_opts = qemu_get_machine_opts();
4048 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4049 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4050 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4051 bios_name = qemu_opt_get(machine_opts, "firmware");
4052
4053 boot_order = machine->default_boot_order;
4054 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4055 if (opts) {
4056 char *normal_boot_order;
4057 const char *order, *once;
4058
4059 order = qemu_opt_get(opts, "order");
4060 if (order) {
4061 validate_bootdevices(order);
4062 boot_order = order;
4063 }
4064
4065 once = qemu_opt_get(opts, "once");
4066 if (once) {
4067 validate_bootdevices(once);
4068 normal_boot_order = g_strdup(boot_order);
4069 boot_order = once;
4070 qemu_register_reset(restore_boot_order, normal_boot_order);
4071 }
4072
4073 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4074 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4075 }
4076
4077 if (!kernel_cmdline) {
4078 kernel_cmdline = "";
4079 }
4080
4081 linux_boot = (kernel_filename != NULL);
4082
4083 if (!linux_boot && *kernel_cmdline != '\0') {
4084 fprintf(stderr, "-append only allowed with -kernel option\n");
4085 exit(1);
4086 }
4087
4088 if (!linux_boot && initrd_filename != NULL) {
4089 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4090 exit(1);
4091 }
4092
4093 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4094 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4095 exit(1);
4096 }
4097
4098 os_set_line_buffering();
4099
4100 qemu_init_cpu_loop();
4101 qemu_mutex_lock_iothread();
4102
4103 #ifdef CONFIG_SPICE
4104 /* spice needs the timers to be initialized by this point */
4105 qemu_spice_init();
4106 #endif
4107
4108 if (icount_option && (kvm_enabled() || xen_enabled())) {
4109 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4110 exit(1);
4111 }
4112 configure_icount(icount_option);
4113
4114 /* clean up network at qemu process termination */
4115 atexit(&net_cleanup);
4116
4117 if (net_init_clients() < 0) {
4118 exit(1);
4119 }
4120
4121 #ifdef CONFIG_TPM
4122 if (tpm_init() < 0) {
4123 exit(1);
4124 }
4125 #endif
4126
4127 /* init the bluetooth world */
4128 if (foreach_device_config(DEV_BT, bt_parse))
4129 exit(1);
4130
4131 if (!xen_enabled()) {
4132 /* On 32-bit hosts, QEMU is limited by virtual address space */
4133 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4134 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4135 exit(1);
4136 }
4137 }
4138
4139 cpu_exec_init_all();
4140
4141 blk_mig_init();
4142
4143 /* open the virtual block devices */
4144 if (snapshot)
4145 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4146 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4147 &machine->block_default_type, 1) != 0) {
4148 exit(1);
4149 }
4150
4151 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4152 CDROM_OPTS);
4153 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4154 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4155
4156 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4157
4158 if (nb_numa_nodes > 0) {
4159 int i;
4160
4161 if (nb_numa_nodes > MAX_NODES) {
4162 nb_numa_nodes = MAX_NODES;
4163 }
4164
4165 /* If no memory size if given for any node, assume the default case
4166 * and distribute the available memory equally across all nodes
4167 */
4168 for (i = 0; i < nb_numa_nodes; i++) {
4169 if (node_mem[i] != 0)
4170 break;
4171 }
4172 if (i == nb_numa_nodes) {
4173 uint64_t usedmem = 0;
4174
4175 /* On Linux, the each node's border has to be 8MB aligned,
4176 * the final node gets the rest.
4177 */
4178 for (i = 0; i < nb_numa_nodes - 1; i++) {
4179 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4180 usedmem += node_mem[i];
4181 }
4182 node_mem[i] = ram_size - usedmem;
4183 }
4184
4185 for (i = 0; i < nb_numa_nodes; i++) {
4186 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4187 break;
4188 }
4189 }
4190 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4191 * must cope with this anyway, because there are BIOSes out there in
4192 * real machines which also use this scheme.
4193 */
4194 if (i == nb_numa_nodes) {
4195 for (i = 0; i < max_cpus; i++) {
4196 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4197 }
4198 }
4199 }
4200
4201 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4202 exit(1);
4203 }
4204
4205 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4206 exit(1);
4207 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4208 exit(1);
4209 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4210 exit(1);
4211 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4212 exit(1);
4213 }
4214 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4215 exit(1);
4216
4217 /* If no default VGA is requested, the default is "none". */
4218 if (default_vga) {
4219 if (cirrus_vga_available()) {
4220 vga_model = "cirrus";
4221 } else if (vga_available()) {
4222 vga_model = "std";
4223 }
4224 }
4225 select_vgahw(vga_model);
4226
4227 if (watchdog) {
4228 i = select_watchdog(watchdog);
4229 if (i > 0)
4230 exit (i == 1 ? 1 : 0);
4231 }
4232
4233 if (machine->compat_props) {
4234 qdev_prop_register_global_list(machine->compat_props);
4235 }
4236 qemu_add_globals();
4237
4238 qdev_machine_init();
4239
4240 QEMUMachineInitArgs args = { .machine = machine,
4241 .ram_size = ram_size,
4242 .boot_order = boot_order,
4243 .kernel_filename = kernel_filename,
4244 .kernel_cmdline = kernel_cmdline,
4245 .initrd_filename = initrd_filename,
4246 .cpu_model = cpu_model };
4247 machine->init(&args);
4248
4249 audio_init();
4250
4251 cpu_synchronize_all_post_init();
4252
4253 set_numa_modes();
4254
4255 current_machine = machine;
4256
4257 /* init USB devices */
4258 if (usb_enabled(false)) {
4259 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4260 exit(1);
4261 }
4262
4263 /* init generic devices */
4264 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4265 exit(1);
4266
4267 net_check_clients();
4268
4269 ds = init_displaystate();
4270
4271 /* init local displays */
4272 switch (display_type) {
4273 case DT_NOGRAPHIC:
4274 (void)ds; /* avoid warning if no display is configured */
4275 break;
4276 #if defined(CONFIG_CURSES)
4277 case DT_CURSES:
4278 curses_display_init(ds, full_screen);
4279 break;
4280 #endif
4281 #if defined(CONFIG_SDL)
4282 case DT_SDL:
4283 sdl_display_init(ds, full_screen, no_frame);
4284 break;
4285 #elif defined(CONFIG_COCOA)
4286 case DT_SDL:
4287 cocoa_display_init(ds, full_screen);
4288 break;
4289 #endif
4290 #if defined(CONFIG_GTK)
4291 case DT_GTK:
4292 gtk_display_init(ds, full_screen);
4293 break;
4294 #endif
4295 default:
4296 break;
4297 }
4298
4299 /* must be after terminal init, SDL library changes signal handlers */
4300 os_setup_signal_handling();
4301
4302 #ifdef CONFIG_VNC
4303 /* init remote displays */
4304 if (vnc_display) {
4305 Error *local_err = NULL;
4306 vnc_display_init(ds);
4307 vnc_display_open(ds, vnc_display, &local_err);
4308 if (local_err != NULL) {
4309 error_report("Failed to start VNC server on `%s': %s",
4310 vnc_display, error_get_pretty(local_err));
4311 error_free(local_err);
4312 exit(1);
4313 }
4314
4315 if (show_vnc_port) {
4316 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4317 }
4318 }
4319 #endif
4320 #ifdef CONFIG_SPICE
4321 if (using_spice) {
4322 qemu_spice_display_init();
4323 }
4324 #endif
4325
4326 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4327 exit(1);
4328 }
4329
4330 qdev_machine_creation_done();
4331
4332 if (rom_load_all() != 0) {
4333 fprintf(stderr, "rom loading failed\n");
4334 exit(1);
4335 }
4336
4337 /* TODO: once all bus devices are qdevified, this should be done
4338 * when bus is created by qdev.c */
4339 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4340 qemu_run_machine_init_done_notifiers();
4341
4342 /* Done notifiers can load ROMs */
4343 rom_load_done();
4344
4345 qemu_system_reset(VMRESET_SILENT);
4346 if (loadvm) {
4347 if (load_vmstate(loadvm) < 0) {
4348 autostart = 0;
4349 }
4350 }
4351
4352 if (incoming) {
4353 Error *local_err = NULL;
4354 qemu_start_incoming_migration(incoming, &local_err);
4355 if (local_err) {
4356 error_report("-incoming %s: %s", incoming,
4357 error_get_pretty(local_err));
4358 error_free(local_err);
4359 exit(1);
4360 }
4361 } else if (autostart) {
4362 vm_start();
4363 }
4364
4365 os_setup_post();
4366
4367 if (is_daemonized()) {
4368 if (!trace_backend_init(trace_events, trace_file)) {
4369 exit(1);
4370 }
4371 }
4372
4373 main_loop();
4374 bdrv_close_all();
4375 pause_all_vcpus();
4376 res_free();
4377 #ifdef CONFIG_TPM
4378 tpm_cleanup();
4379 #endif
4380
4381 return 0;
4382 }
Ray Wang's QEMU Repository