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json-lexer: fix escaped backslash in single-quoted string
[qemu.git] / vl.c
blobab8f15243b1a95b8633702aec76519036b231717
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 CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "hw/usb.h"
65 #include "hw/pcmcia.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "qemu/cache-utils.h"
86 #include "sysemu/blockdev.h"
87 #include "hw/block/block.h"
88 #include "migration/block.h"
89 #include "sysemu/tpm.h"
90 #include "sysemu/dma.h"
91 #include "audio/audio.h"
92 #include "migration/migration.h"
93 #include "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.h"
114 #include "sysemu/arch_init.h"
115 #include "qemu/osdep.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120
121 #define DEFAULT_RAM_SIZE 128
122
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
125
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 static int display_remote;
132 const char* keyboard_layout = NULL;
133 ram_addr_t ram_size;
134 const char *mem_path = NULL;
135 int mem_prealloc = 0; /* force preallocation of physical target memory */
136 int nb_nics;
137 NICInfo nd_table[MAX_NICS];
138 int autostart;
139 static int rtc_utc = 1;
140 static int rtc_date_offset = -1; /* -1 means no change */
141 QEMUClockType rtc_clock;
142 int vga_interface_type = VGA_NONE;
143 static int full_screen = 0;
144 static int no_frame = 0;
145 int no_quit = 0;
146 #ifdef CONFIG_GTK
147 static bool grab_on_hover;
148 #endif
149 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
150 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
151 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
152 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
153 int win2k_install_hack = 0;
154 int singlestep = 0;
155 int smp_cpus = 1;
156 int max_cpus = 0;
157 int smp_cores = 1;
158 int smp_threads = 1;
159 #ifdef CONFIG_VNC
160 const char *vnc_display;
161 #endif
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int semihosting_enabled = 0;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 static bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 typedef struct FWBootEntry FWBootEntry;
186
187 struct FWBootEntry {
188 QTAILQ_ENTRY(FWBootEntry) link;
189 int32_t bootindex;
190 DeviceState *dev;
191 char *suffix;
192 };
193
194 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
195 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
196
197 int nb_numa_nodes;
198 NodeInfo numa_info[MAX_NODES];
199
200 uint8_t qemu_uuid[16];
201 bool qemu_uuid_set;
202
203 static QEMUBootSetHandler *boot_set_handler;
204 static void *boot_set_opaque;
205
206 static NotifierList exit_notifiers =
207 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
208
209 static NotifierList machine_init_done_notifiers =
210 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
211
212 static bool tcg_allowed = true;
213 bool xen_allowed;
214 uint32_t xen_domid;
215 enum xen_mode xen_mode = XEN_EMULATE;
216 static int tcg_tb_size;
217
218 static int has_defaults = 1;
219 static int default_serial = 1;
220 static int default_parallel = 1;
221 static int default_virtcon = 1;
222 static int default_sclp = 1;
223 static int default_monitor = 1;
224 static int default_floppy = 1;
225 static int default_cdrom = 1;
226 static int default_sdcard = 1;
227 static int default_vga = 1;
228
229 static struct {
230 const char *driver;
231 int *flag;
232 } default_list[] = {
233 { .driver = "isa-serial", .flag = &default_serial },
234 { .driver = "isa-parallel", .flag = &default_parallel },
235 { .driver = "isa-fdc", .flag = &default_floppy },
236 { .driver = "ide-cd", .flag = &default_cdrom },
237 { .driver = "ide-hd", .flag = &default_cdrom },
238 { .driver = "ide-drive", .flag = &default_cdrom },
239 { .driver = "scsi-cd", .flag = &default_cdrom },
240 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
241 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
242 { .driver = "virtio-serial", .flag = &default_virtcon },
243 { .driver = "VGA", .flag = &default_vga },
244 { .driver = "isa-vga", .flag = &default_vga },
245 { .driver = "cirrus-vga", .flag = &default_vga },
246 { .driver = "isa-cirrus-vga", .flag = &default_vga },
247 { .driver = "vmware-svga", .flag = &default_vga },
248 { .driver = "qxl-vga", .flag = &default_vga },
249 };
250
251 static QemuOptsList qemu_rtc_opts = {
252 .name = "rtc",
253 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
254 .desc = {
255 {
256 .name = "base",
257 .type = QEMU_OPT_STRING,
258 },{
259 .name = "clock",
260 .type = QEMU_OPT_STRING,
261 },{
262 .name = "driftfix",
263 .type = QEMU_OPT_STRING,
264 },
265 { /* end of list */ }
266 },
267 };
268
269 static QemuOptsList qemu_sandbox_opts = {
270 .name = "sandbox",
271 .implied_opt_name = "enable",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
273 .desc = {
274 {
275 .name = "enable",
276 .type = QEMU_OPT_BOOL,
277 },
278 { /* end of list */ }
279 },
280 };
281
282 static QemuOptsList qemu_trace_opts = {
283 .name = "trace",
284 .implied_opt_name = "trace",
285 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
286 .desc = {
287 {
288 .name = "events",
289 .type = QEMU_OPT_STRING,
290 },{
291 .name = "file",
292 .type = QEMU_OPT_STRING,
293 },
294 { /* end of list */ }
295 },
296 };
297
298 static QemuOptsList qemu_option_rom_opts = {
299 .name = "option-rom",
300 .implied_opt_name = "romfile",
301 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
302 .desc = {
303 {
304 .name = "bootindex",
305 .type = QEMU_OPT_NUMBER,
306 }, {
307 .name = "romfile",
308 .type = QEMU_OPT_STRING,
309 },
310 { /* end of list */ }
311 },
312 };
313
314 static QemuOptsList qemu_machine_opts = {
315 .name = "machine",
316 .implied_opt_name = "type",
317 .merge_lists = true,
318 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
319 .desc = {
320 {
321 .name = "type",
322 .type = QEMU_OPT_STRING,
323 .help = "emulated machine"
324 }, {
325 .name = "accel",
326 .type = QEMU_OPT_STRING,
327 .help = "accelerator list",
328 }, {
329 .name = "kernel_irqchip",
330 .type = QEMU_OPT_BOOL,
331 .help = "use KVM in-kernel irqchip",
332 }, {
333 .name = "kvm_shadow_mem",
334 .type = QEMU_OPT_SIZE,
335 .help = "KVM shadow MMU size",
336 }, {
337 .name = "kernel",
338 .type = QEMU_OPT_STRING,
339 .help = "Linux kernel image file",
340 }, {
341 .name = "initrd",
342 .type = QEMU_OPT_STRING,
343 .help = "Linux initial ramdisk file",
344 }, {
345 .name = "append",
346 .type = QEMU_OPT_STRING,
347 .help = "Linux kernel command line",
348 }, {
349 .name = "dtb",
350 .type = QEMU_OPT_STRING,
351 .help = "Linux kernel device tree file",
352 }, {
353 .name = "dumpdtb",
354 .type = QEMU_OPT_STRING,
355 .help = "Dump current dtb to a file and quit",
356 }, {
357 .name = "phandle_start",
358 .type = QEMU_OPT_NUMBER,
359 .help = "The first phandle ID we may generate dynamically",
360 }, {
361 .name = "dt_compatible",
362 .type = QEMU_OPT_STRING,
363 .help = "Overrides the \"compatible\" property of the dt root node",
364 }, {
365 .name = "dump-guest-core",
366 .type = QEMU_OPT_BOOL,
367 .help = "Include guest memory in a core dump",
368 }, {
369 .name = "mem-merge",
370 .type = QEMU_OPT_BOOL,
371 .help = "enable/disable memory merge support",
372 },{
373 .name = "usb",
374 .type = QEMU_OPT_BOOL,
375 .help = "Set on/off to enable/disable usb",
376 },{
377 .name = "firmware",
378 .type = QEMU_OPT_STRING,
379 .help = "firmware image",
380 },{
381 .name = "kvm-type",
382 .type = QEMU_OPT_STRING,
383 .help = "Specifies the KVM virtualization mode (HV, PR)",
384 },
385 { /* End of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_boot_opts = {
390 .name = "boot-opts",
391 .implied_opt_name = "order",
392 .merge_lists = true,
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
394 .desc = {
395 {
396 .name = "order",
397 .type = QEMU_OPT_STRING,
398 }, {
399 .name = "once",
400 .type = QEMU_OPT_STRING,
401 }, {
402 .name = "menu",
403 .type = QEMU_OPT_BOOL,
404 }, {
405 .name = "splash",
406 .type = QEMU_OPT_STRING,
407 }, {
408 .name = "splash-time",
409 .type = QEMU_OPT_STRING,
410 }, {
411 .name = "reboot-timeout",
412 .type = QEMU_OPT_STRING,
413 }, {
414 .name = "strict",
415 .type = QEMU_OPT_BOOL,
416 },
417 { /*End of list */ }
418 },
419 };
420
421 static QemuOptsList qemu_add_fd_opts = {
422 .name = "add-fd",
423 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
424 .desc = {
425 {
426 .name = "fd",
427 .type = QEMU_OPT_NUMBER,
428 .help = "file descriptor of which a duplicate is added to fd set",
429 },{
430 .name = "set",
431 .type = QEMU_OPT_NUMBER,
432 .help = "ID of the fd set to add fd to",
433 },{
434 .name = "opaque",
435 .type = QEMU_OPT_STRING,
436 .help = "free-form string used to describe fd",
437 },
438 { /* end of list */ }
439 },
440 };
441
442 static QemuOptsList qemu_object_opts = {
443 .name = "object",
444 .implied_opt_name = "qom-type",
445 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
446 .desc = {
447 { }
448 },
449 };
450
451 static QemuOptsList qemu_tpmdev_opts = {
452 .name = "tpmdev",
453 .implied_opt_name = "type",
454 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
455 .desc = {
456 /* options are defined in the TPM backends */
457 { /* end of list */ }
458 },
459 };
460
461 static QemuOptsList qemu_realtime_opts = {
462 .name = "realtime",
463 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
464 .desc = {
465 {
466 .name = "mlock",
467 .type = QEMU_OPT_BOOL,
468 },
469 { /* end of list */ }
470 },
471 };
472
473 static QemuOptsList qemu_msg_opts = {
474 .name = "msg",
475 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
476 .desc = {
477 {
478 .name = "timestamp",
479 .type = QEMU_OPT_BOOL,
480 },
481 { /* end of list */ }
482 },
483 };
484
485 static QemuOptsList qemu_name_opts = {
486 .name = "name",
487 .implied_opt_name = "guest",
488 .merge_lists = true,
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
490 .desc = {
491 {
492 .name = "guest",
493 .type = QEMU_OPT_STRING,
494 .help = "Sets the name of the guest.\n"
495 "This name will be displayed in the SDL window caption.\n"
496 "The name will also be used for the VNC server",
497 }, {
498 .name = "process",
499 .type = QEMU_OPT_STRING,
500 .help = "Sets the name of the QEMU process, as shown in top etc",
501 }, {
502 .name = "debug-threads",
503 .type = QEMU_OPT_BOOL,
504 .help = "When enabled, name the individual threads; defaults off.\n"
505 "NOTE: The thread names are for debugging and not a\n"
506 "stable API.",
507 },
508 { /* End of list */ }
509 },
510 };
511
512 static QemuOptsList qemu_mem_opts = {
513 .name = "memory",
514 .implied_opt_name = "size",
515 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
516 .merge_lists = true,
517 .desc = {
518 {
519 .name = "size",
520 .type = QEMU_OPT_SIZE,
521 },
522 {
523 .name = "slots",
524 .type = QEMU_OPT_NUMBER,
525 },
526 {
527 .name = "maxmem",
528 .type = QEMU_OPT_SIZE,
529 },
530 { /* end of list */ }
531 },
532 };
533
534 /**
535 * Get machine options
536 *
537 * Returns: machine options (never null).
538 */
539 QemuOpts *qemu_get_machine_opts(void)
540 {
541 return qemu_find_opts_singleton("machine");
542 }
543
544 const char *qemu_get_vm_name(void)
545 {
546 return qemu_name;
547 }
548
549 static void res_free(void)
550 {
551 if (boot_splash_filedata != NULL) {
552 g_free(boot_splash_filedata);
553 boot_splash_filedata = NULL;
554 }
555 }
556
557 static int default_driver_check(QemuOpts *opts, void *opaque)
558 {
559 const char *driver = qemu_opt_get(opts, "driver");
560 int i;
561
562 if (!driver)
563 return 0;
564 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
565 if (strcmp(default_list[i].driver, driver) != 0)
566 continue;
567 *(default_list[i].flag) = 0;
568 }
569 return 0;
570 }
571
572 /***********************************************************/
573 /* QEMU state */
574
575 static RunState current_run_state = RUN_STATE_PRELAUNCH;
576
577 /* We use RUN_STATE_MAX but any invalid value will do */
578 static RunState vmstop_requested = RUN_STATE_MAX;
579 static QemuMutex vmstop_lock;
580
581 typedef struct {
582 RunState from;
583 RunState to;
584 } RunStateTransition;
585
586 static const RunStateTransition runstate_transitions_def[] = {
587 /* from -> to */
588 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
589 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
590
591 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
592 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
593
594 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
595 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
598 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
599
600 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
601 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
604 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
605
606 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
607 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
608 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
609
610 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
611 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
612
613 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
614
615 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
616 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
617 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
618 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
619 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
621 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
622 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
623 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
624 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
625
626 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
627
628 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
629 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
630
631 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
632 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
633 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
634 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
635
636 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
637 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
638
639 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
640 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
641
642 { RUN_STATE_MAX, RUN_STATE_MAX },
643 };
644
645 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
646
647 bool runstate_check(RunState state)
648 {
649 return current_run_state == state;
650 }
651
652 static void runstate_init(void)
653 {
654 const RunStateTransition *p;
655
656 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
657 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
658 runstate_valid_transitions[p->from][p->to] = true;
659 }
660
661 qemu_mutex_init(&vmstop_lock);
662 }
663
664 /* This function will abort() on invalid state transitions */
665 void runstate_set(RunState new_state)
666 {
667 assert(new_state < RUN_STATE_MAX);
668
669 if (!runstate_valid_transitions[current_run_state][new_state]) {
670 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
671 RunState_lookup[current_run_state],
672 RunState_lookup[new_state]);
673 abort();
674 }
675 trace_runstate_set(new_state);
676 current_run_state = new_state;
677 }
678
679 int runstate_is_running(void)
680 {
681 return runstate_check(RUN_STATE_RUNNING);
682 }
683
684 bool runstate_needs_reset(void)
685 {
686 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
687 runstate_check(RUN_STATE_SHUTDOWN);
688 }
689
690 StatusInfo *qmp_query_status(Error **errp)
691 {
692 StatusInfo *info = g_malloc0(sizeof(*info));
693
694 info->running = runstate_is_running();
695 info->singlestep = singlestep;
696 info->status = current_run_state;
697
698 return info;
699 }
700
701 static bool qemu_vmstop_requested(RunState *r)
702 {
703 qemu_mutex_lock(&vmstop_lock);
704 *r = vmstop_requested;
705 vmstop_requested = RUN_STATE_MAX;
706 qemu_mutex_unlock(&vmstop_lock);
707 return *r < RUN_STATE_MAX;
708 }
709
710 void qemu_system_vmstop_request_prepare(void)
711 {
712 qemu_mutex_lock(&vmstop_lock);
713 }
714
715 void qemu_system_vmstop_request(RunState state)
716 {
717 vmstop_requested = state;
718 qemu_mutex_unlock(&vmstop_lock);
719 qemu_notify_event();
720 }
721
722 void vm_start(void)
723 {
724 RunState requested;
725
726 qemu_vmstop_requested(&requested);
727 if (runstate_is_running() && requested == RUN_STATE_MAX) {
728 return;
729 }
730
731 /* Ensure that a STOP/RESUME pair of events is emitted if a
732 * vmstop request was pending. The BLOCK_IO_ERROR event, for
733 * example, according to documentation is always followed by
734 * the STOP event.
735 */
736 if (runstate_is_running()) {
737 monitor_protocol_event(QEVENT_STOP, NULL);
738 } else {
739 cpu_enable_ticks();
740 runstate_set(RUN_STATE_RUNNING);
741 vm_state_notify(1, RUN_STATE_RUNNING);
742 resume_all_vcpus();
743 }
744
745 monitor_protocol_event(QEVENT_RESUME, NULL);
746 }
747
748
749 /***********************************************************/
750 /* real time host monotonic timer */
751
752 /***********************************************************/
753 /* host time/date access */
754 void qemu_get_timedate(struct tm *tm, int offset)
755 {
756 time_t ti;
757
758 time(&ti);
759 ti += offset;
760 if (rtc_date_offset == -1) {
761 if (rtc_utc)
762 gmtime_r(&ti, tm);
763 else
764 localtime_r(&ti, tm);
765 } else {
766 ti -= rtc_date_offset;
767 gmtime_r(&ti, tm);
768 }
769 }
770
771 int qemu_timedate_diff(struct tm *tm)
772 {
773 time_t seconds;
774
775 if (rtc_date_offset == -1)
776 if (rtc_utc)
777 seconds = mktimegm(tm);
778 else {
779 struct tm tmp = *tm;
780 tmp.tm_isdst = -1; /* use timezone to figure it out */
781 seconds = mktime(&tmp);
782 }
783 else
784 seconds = mktimegm(tm) + rtc_date_offset;
785
786 return seconds - time(NULL);
787 }
788
789 void rtc_change_mon_event(struct tm *tm)
790 {
791 QObject *data;
792
793 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
794 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
795 qobject_decref(data);
796 }
797
798 static void configure_rtc_date_offset(const char *startdate, int legacy)
799 {
800 time_t rtc_start_date;
801 struct tm tm;
802
803 if (!strcmp(startdate, "now") && legacy) {
804 rtc_date_offset = -1;
805 } else {
806 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
807 &tm.tm_year,
808 &tm.tm_mon,
809 &tm.tm_mday,
810 &tm.tm_hour,
811 &tm.tm_min,
812 &tm.tm_sec) == 6) {
813 /* OK */
814 } else if (sscanf(startdate, "%d-%d-%d",
815 &tm.tm_year,
816 &tm.tm_mon,
817 &tm.tm_mday) == 3) {
818 tm.tm_hour = 0;
819 tm.tm_min = 0;
820 tm.tm_sec = 0;
821 } else {
822 goto date_fail;
823 }
824 tm.tm_year -= 1900;
825 tm.tm_mon--;
826 rtc_start_date = mktimegm(&tm);
827 if (rtc_start_date == -1) {
828 date_fail:
829 fprintf(stderr, "Invalid date format. Valid formats are:\n"
830 "'2006-06-17T16:01:21' or '2006-06-17'\n");
831 exit(1);
832 }
833 rtc_date_offset = time(NULL) - rtc_start_date;
834 }
835 }
836
837 static void configure_rtc(QemuOpts *opts)
838 {
839 const char *value;
840
841 value = qemu_opt_get(opts, "base");
842 if (value) {
843 if (!strcmp(value, "utc")) {
844 rtc_utc = 1;
845 } else if (!strcmp(value, "localtime")) {
846 rtc_utc = 0;
847 } else {
848 configure_rtc_date_offset(value, 0);
849 }
850 }
851 value = qemu_opt_get(opts, "clock");
852 if (value) {
853 if (!strcmp(value, "host")) {
854 rtc_clock = QEMU_CLOCK_HOST;
855 } else if (!strcmp(value, "rt")) {
856 rtc_clock = QEMU_CLOCK_REALTIME;
857 } else if (!strcmp(value, "vm")) {
858 rtc_clock = QEMU_CLOCK_VIRTUAL;
859 } else {
860 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
861 exit(1);
862 }
863 }
864 value = qemu_opt_get(opts, "driftfix");
865 if (value) {
866 if (!strcmp(value, "slew")) {
867 static GlobalProperty slew_lost_ticks[] = {
868 {
869 .driver = "mc146818rtc",
870 .property = "lost_tick_policy",
871 .value = "slew",
872 },
873 { /* end of list */ }
874 };
875
876 qdev_prop_register_global_list(slew_lost_ticks);
877 } else if (!strcmp(value, "none")) {
878 /* discard is default */
879 } else {
880 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
881 exit(1);
882 }
883 }
884 }
885
886 /***********************************************************/
887 /* Bluetooth support */
888 static int nb_hcis;
889 static int cur_hci;
890 static struct HCIInfo *hci_table[MAX_NICS];
891
892 struct HCIInfo *qemu_next_hci(void)
893 {
894 if (cur_hci == nb_hcis)
895 return &null_hci;
896
897 return hci_table[cur_hci++];
898 }
899
900 static int bt_hci_parse(const char *str)
901 {
902 struct HCIInfo *hci;
903 bdaddr_t bdaddr;
904
905 if (nb_hcis >= MAX_NICS) {
906 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
907 return -1;
908 }
909
910 hci = hci_init(str);
911 if (!hci)
912 return -1;
913
914 bdaddr.b[0] = 0x52;
915 bdaddr.b[1] = 0x54;
916 bdaddr.b[2] = 0x00;
917 bdaddr.b[3] = 0x12;
918 bdaddr.b[4] = 0x34;
919 bdaddr.b[5] = 0x56 + nb_hcis;
920 hci->bdaddr_set(hci, bdaddr.b);
921
922 hci_table[nb_hcis++] = hci;
923
924 return 0;
925 }
926
927 static void bt_vhci_add(int vlan_id)
928 {
929 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
930
931 if (!vlan->slave)
932 fprintf(stderr, "qemu: warning: adding a VHCI to "
933 "an empty scatternet %i\n", vlan_id);
934
935 bt_vhci_init(bt_new_hci(vlan));
936 }
937
938 static struct bt_device_s *bt_device_add(const char *opt)
939 {
940 struct bt_scatternet_s *vlan;
941 int vlan_id = 0;
942 char *endp = strstr(opt, ",vlan=");
943 int len = (endp ? endp - opt : strlen(opt)) + 1;
944 char devname[10];
945
946 pstrcpy(devname, MIN(sizeof(devname), len), opt);
947
948 if (endp) {
949 vlan_id = strtol(endp + 6, &endp, 0);
950 if (*endp) {
951 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
952 return 0;
953 }
954 }
955
956 vlan = qemu_find_bt_vlan(vlan_id);
957
958 if (!vlan->slave)
959 fprintf(stderr, "qemu: warning: adding a slave device to "
960 "an empty scatternet %i\n", vlan_id);
961
962 if (!strcmp(devname, "keyboard"))
963 return bt_keyboard_init(vlan);
964
965 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
966 return 0;
967 }
968
969 static int bt_parse(const char *opt)
970 {
971 const char *endp, *p;
972 int vlan;
973
974 if (strstart(opt, "hci", &endp)) {
975 if (!*endp || *endp == ',') {
976 if (*endp)
977 if (!strstart(endp, ",vlan=", 0))
978 opt = endp + 1;
979
980 return bt_hci_parse(opt);
981 }
982 } else if (strstart(opt, "vhci", &endp)) {
983 if (!*endp || *endp == ',') {
984 if (*endp) {
985 if (strstart(endp, ",vlan=", &p)) {
986 vlan = strtol(p, (char **) &endp, 0);
987 if (*endp) {
988 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
989 return 1;
990 }
991 } else {
992 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
993 return 1;
994 }
995 } else
996 vlan = 0;
997
998 bt_vhci_add(vlan);
999 return 0;
1000 }
1001 } else if (strstart(opt, "device:", &endp))
1002 return !bt_device_add(endp);
1003
1004 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1005 return 1;
1006 }
1007
1008 static int parse_sandbox(QemuOpts *opts, void *opaque)
1009 {
1010 /* FIXME: change this to true for 1.3 */
1011 if (qemu_opt_get_bool(opts, "enable", false)) {
1012 #ifdef CONFIG_SECCOMP
1013 if (seccomp_start() < 0) {
1014 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1015 "failed to install seccomp syscall filter in the kernel");
1016 return -1;
1017 }
1018 #else
1019 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1020 "sandboxing request but seccomp is not compiled into this build");
1021 return -1;
1022 #endif
1023 }
1024
1025 return 0;
1026 }
1027
1028 static int parse_name(QemuOpts *opts, void *opaque)
1029 {
1030 const char *proc_name;
1031
1032 if (qemu_opt_get(opts, "debug-threads")) {
1033 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1034 }
1035 qemu_name = qemu_opt_get(opts, "guest");
1036
1037 proc_name = qemu_opt_get(opts, "process");
1038 if (proc_name) {
1039 os_set_proc_name(proc_name);
1040 }
1041
1042 return 0;
1043 }
1044
1045 bool usb_enabled(bool default_usb)
1046 {
1047 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1048 has_defaults && default_usb);
1049 }
1050
1051 #ifndef _WIN32
1052 static int parse_add_fd(QemuOpts *opts, void *opaque)
1053 {
1054 int fd, dupfd, flags;
1055 int64_t fdset_id;
1056 const char *fd_opaque = NULL;
1057
1058 fd = qemu_opt_get_number(opts, "fd", -1);
1059 fdset_id = qemu_opt_get_number(opts, "set", -1);
1060 fd_opaque = qemu_opt_get(opts, "opaque");
1061
1062 if (fd < 0) {
1063 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1064 "fd option is required and must be non-negative");
1065 return -1;
1066 }
1067
1068 if (fd <= STDERR_FILENO) {
1069 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1070 "fd cannot be a standard I/O stream");
1071 return -1;
1072 }
1073
1074 /*
1075 * All fds inherited across exec() necessarily have FD_CLOEXEC
1076 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1077 */
1078 flags = fcntl(fd, F_GETFD);
1079 if (flags == -1 || (flags & FD_CLOEXEC)) {
1080 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1081 "fd is not valid or already in use");
1082 return -1;
1083 }
1084
1085 if (fdset_id < 0) {
1086 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1087 "set option is required and must be non-negative");
1088 return -1;
1089 }
1090
1091 #ifdef F_DUPFD_CLOEXEC
1092 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1093 #else
1094 dupfd = dup(fd);
1095 if (dupfd != -1) {
1096 qemu_set_cloexec(dupfd);
1097 }
1098 #endif
1099 if (dupfd == -1) {
1100 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1101 "Error duplicating fd: %s", strerror(errno));
1102 return -1;
1103 }
1104
1105 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1106 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1107 fd_opaque, NULL);
1108
1109 return 0;
1110 }
1111
1112 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1113 {
1114 int fd;
1115
1116 fd = qemu_opt_get_number(opts, "fd", -1);
1117 close(fd);
1118
1119 return 0;
1120 }
1121 #endif
1122
1123 /***********************************************************/
1124 /* QEMU Block devices */
1125
1126 #define HD_OPTS "media=disk"
1127 #define CDROM_OPTS "media=cdrom"
1128 #define FD_OPTS ""
1129 #define PFLASH_OPTS ""
1130 #define MTD_OPTS ""
1131 #define SD_OPTS ""
1132
1133 static int drive_init_func(QemuOpts *opts, void *opaque)
1134 {
1135 BlockInterfaceType *block_default_type = opaque;
1136
1137 return drive_new(opts, *block_default_type) == NULL;
1138 }
1139
1140 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1141 {
1142 if (NULL == qemu_opt_get(opts, "snapshot")) {
1143 qemu_opt_set(opts, "snapshot", "on");
1144 }
1145 return 0;
1146 }
1147
1148 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1149 int index, const char *optstr)
1150 {
1151 QemuOpts *opts;
1152
1153 if (!enable || drive_get_by_index(type, index)) {
1154 return;
1155 }
1156
1157 opts = drive_add(type, index, NULL, optstr);
1158 if (snapshot) {
1159 drive_enable_snapshot(opts, NULL);
1160 }
1161 if (!drive_new(opts, type)) {
1162 exit(1);
1163 }
1164 }
1165
1166 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1167 {
1168 boot_set_handler = func;
1169 boot_set_opaque = opaque;
1170 }
1171
1172 int qemu_boot_set(const char *boot_order)
1173 {
1174 if (!boot_set_handler) {
1175 return -EINVAL;
1176 }
1177 return boot_set_handler(boot_set_opaque, boot_order);
1178 }
1179
1180 static void validate_bootdevices(const char *devices)
1181 {
1182 /* We just do some generic consistency checks */
1183 const char *p;
1184 int bitmap = 0;
1185
1186 for (p = devices; *p != '\0'; p++) {
1187 /* Allowed boot devices are:
1188 * a-b: floppy disk drives
1189 * c-f: IDE disk drives
1190 * g-m: machine implementation dependent drives
1191 * n-p: network devices
1192 * It's up to each machine implementation to check if the given boot
1193 * devices match the actual hardware implementation and firmware
1194 * features.
1195 */
1196 if (*p < 'a' || *p > 'p') {
1197 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1198 exit(1);
1199 }
1200 if (bitmap & (1 << (*p - 'a'))) {
1201 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1202 exit(1);
1203 }
1204 bitmap |= 1 << (*p - 'a');
1205 }
1206 }
1207
1208 static void restore_boot_order(void *opaque)
1209 {
1210 char *normal_boot_order = opaque;
1211 static int first = 1;
1212
1213 /* Restore boot order and remove ourselves after the first boot */
1214 if (first) {
1215 first = 0;
1216 return;
1217 }
1218
1219 qemu_boot_set(normal_boot_order);
1220
1221 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1222 g_free(normal_boot_order);
1223 }
1224
1225 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1226 const char *suffix)
1227 {
1228 FWBootEntry *node, *i;
1229
1230 if (bootindex < 0) {
1231 return;
1232 }
1233
1234 assert(dev != NULL || suffix != NULL);
1235
1236 node = g_malloc0(sizeof(FWBootEntry));
1237 node->bootindex = bootindex;
1238 node->suffix = g_strdup(suffix);
1239 node->dev = dev;
1240
1241 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1242 if (i->bootindex == bootindex) {
1243 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1244 exit(1);
1245 } else if (i->bootindex < bootindex) {
1246 continue;
1247 }
1248 QTAILQ_INSERT_BEFORE(i, node, link);
1249 return;
1250 }
1251 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1252 }
1253
1254 DeviceState *get_boot_device(uint32_t position)
1255 {
1256 uint32_t counter = 0;
1257 FWBootEntry *i = NULL;
1258 DeviceState *res = NULL;
1259
1260 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1261 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1262 if (counter == position) {
1263 res = i->dev;
1264 break;
1265 }
1266 counter++;
1267 }
1268 }
1269 return res;
1270 }
1271
1272 /*
1273 * This function returns null terminated string that consist of new line
1274 * separated device paths.
1275 *
1276 * memory pointed by "size" is assigned total length of the array in bytes
1277 *
1278 */
1279 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1280 {
1281 FWBootEntry *i;
1282 size_t total = 0;
1283 char *list = NULL;
1284
1285 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1286 char *devpath = NULL, *bootpath;
1287 size_t len;
1288
1289 if (i->dev) {
1290 devpath = qdev_get_fw_dev_path(i->dev);
1291 assert(devpath);
1292 }
1293
1294 if (i->suffix && !ignore_suffixes && devpath) {
1295 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1296
1297 bootpath = g_malloc(bootpathlen);
1298 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1299 g_free(devpath);
1300 } else if (devpath) {
1301 bootpath = devpath;
1302 } else if (!ignore_suffixes) {
1303 assert(i->suffix);
1304 bootpath = g_strdup(i->suffix);
1305 } else {
1306 bootpath = g_strdup("");
1307 }
1308
1309 if (total) {
1310 list[total-1] = '\n';
1311 }
1312 len = strlen(bootpath) + 1;
1313 list = g_realloc(list, total + len);
1314 memcpy(&list[total], bootpath, len);
1315 total += len;
1316 g_free(bootpath);
1317 }
1318
1319 *size = total;
1320
1321 if (boot_strict && *size > 0) {
1322 list[total-1] = '\n';
1323 list = g_realloc(list, total + 5);
1324 memcpy(&list[total], "HALT", 5);
1325 *size = total + 5;
1326 }
1327 return list;
1328 }
1329
1330 static QemuOptsList qemu_smp_opts = {
1331 .name = "smp-opts",
1332 .implied_opt_name = "cpus",
1333 .merge_lists = true,
1334 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1335 .desc = {
1336 {
1337 .name = "cpus",
1338 .type = QEMU_OPT_NUMBER,
1339 }, {
1340 .name = "sockets",
1341 .type = QEMU_OPT_NUMBER,
1342 }, {
1343 .name = "cores",
1344 .type = QEMU_OPT_NUMBER,
1345 }, {
1346 .name = "threads",
1347 .type = QEMU_OPT_NUMBER,
1348 }, {
1349 .name = "maxcpus",
1350 .type = QEMU_OPT_NUMBER,
1351 },
1352 { /*End of list */ }
1353 },
1354 };
1355
1356 static void smp_parse(QemuOpts *opts)
1357 {
1358 if (opts) {
1359
1360 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1361 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1362 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1363 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1364
1365 /* compute missing values, prefer sockets over cores over threads */
1366 if (cpus == 0 || sockets == 0) {
1367 sockets = sockets > 0 ? sockets : 1;
1368 cores = cores > 0 ? cores : 1;
1369 threads = threads > 0 ? threads : 1;
1370 if (cpus == 0) {
1371 cpus = cores * threads * sockets;
1372 }
1373 } else {
1374 if (cores == 0) {
1375 threads = threads > 0 ? threads : 1;
1376 cores = cpus / (sockets * threads);
1377 } else {
1378 threads = cpus / (cores * sockets);
1379 }
1380 }
1381
1382 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1383
1384 smp_cpus = cpus;
1385 smp_cores = cores > 0 ? cores : 1;
1386 smp_threads = threads > 0 ? threads : 1;
1387
1388 }
1389
1390 if (max_cpus == 0) {
1391 max_cpus = smp_cpus;
1392 }
1393
1394 if (max_cpus > MAX_CPUMASK_BITS) {
1395 fprintf(stderr, "Unsupported number of maxcpus\n");
1396 exit(1);
1397 }
1398 if (max_cpus < smp_cpus) {
1399 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1400 exit(1);
1401 }
1402
1403 }
1404
1405 static void configure_realtime(QemuOpts *opts)
1406 {
1407 bool enable_mlock;
1408
1409 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1410
1411 if (enable_mlock) {
1412 if (os_mlock() < 0) {
1413 fprintf(stderr, "qemu: locking memory failed\n");
1414 exit(1);
1415 }
1416 }
1417 }
1418
1419
1420 static void configure_msg(QemuOpts *opts)
1421 {
1422 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1423 }
1424
1425 /***********************************************************/
1426 /* USB devices */
1427
1428 static int usb_device_add(const char *devname)
1429 {
1430 USBDevice *dev = NULL;
1431 #ifndef CONFIG_LINUX
1432 const char *p;
1433 #endif
1434
1435 if (!usb_enabled(false)) {
1436 return -1;
1437 }
1438
1439 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1440 dev = usbdevice_create(devname);
1441 if (dev)
1442 goto done;
1443
1444 /* the other ones */
1445 #ifndef CONFIG_LINUX
1446 /* only the linux version is qdev-ified, usb-bsd still needs this */
1447 if (strstart(devname, "host:", &p)) {
1448 dev = usb_host_device_open(usb_bus_find(-1), p);
1449 }
1450 #endif
1451 if (!dev)
1452 return -1;
1453
1454 done:
1455 return 0;
1456 }
1457
1458 static int usb_device_del(const char *devname)
1459 {
1460 int bus_num, addr;
1461 const char *p;
1462
1463 if (strstart(devname, "host:", &p)) {
1464 return -1;
1465 }
1466
1467 if (!usb_enabled(false)) {
1468 return -1;
1469 }
1470
1471 p = strchr(devname, '.');
1472 if (!p)
1473 return -1;
1474 bus_num = strtoul(devname, NULL, 0);
1475 addr = strtoul(p + 1, NULL, 0);
1476
1477 return usb_device_delete_addr(bus_num, addr);
1478 }
1479
1480 static int usb_parse(const char *cmdline)
1481 {
1482 int r;
1483 r = usb_device_add(cmdline);
1484 if (r < 0) {
1485 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1486 }
1487 return r;
1488 }
1489
1490 void do_usb_add(Monitor *mon, const QDict *qdict)
1491 {
1492 const char *devname = qdict_get_str(qdict, "devname");
1493 if (usb_device_add(devname) < 0) {
1494 error_report("could not add USB device '%s'", devname);
1495 }
1496 }
1497
1498 void do_usb_del(Monitor *mon, const QDict *qdict)
1499 {
1500 const char *devname = qdict_get_str(qdict, "devname");
1501 if (usb_device_del(devname) < 0) {
1502 error_report("could not delete USB device '%s'", devname);
1503 }
1504 }
1505
1506 /***********************************************************/
1507 /* PCMCIA/Cardbus */
1508
1509 static struct pcmcia_socket_entry_s {
1510 PCMCIASocket *socket;
1511 struct pcmcia_socket_entry_s *next;
1512 } *pcmcia_sockets = 0;
1513
1514 void pcmcia_socket_register(PCMCIASocket *socket)
1515 {
1516 struct pcmcia_socket_entry_s *entry;
1517
1518 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1519 entry->socket = socket;
1520 entry->next = pcmcia_sockets;
1521 pcmcia_sockets = entry;
1522 }
1523
1524 void pcmcia_socket_unregister(PCMCIASocket *socket)
1525 {
1526 struct pcmcia_socket_entry_s *entry, **ptr;
1527
1528 ptr = &pcmcia_sockets;
1529 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1530 if (entry->socket == socket) {
1531 *ptr = entry->next;
1532 g_free(entry);
1533 }
1534 }
1535
1536 void pcmcia_info(Monitor *mon, const QDict *qdict)
1537 {
1538 struct pcmcia_socket_entry_s *iter;
1539
1540 if (!pcmcia_sockets)
1541 monitor_printf(mon, "No PCMCIA sockets\n");
1542
1543 for (iter = pcmcia_sockets; iter; iter = iter->next)
1544 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1545 iter->socket->attached ? iter->socket->card_string :
1546 "Empty");
1547 }
1548
1549 /***********************************************************/
1550 /* machine registration */
1551
1552 MachineState *current_machine;
1553
1554 static void machine_class_init(ObjectClass *oc, void *data)
1555 {
1556 MachineClass *mc = MACHINE_CLASS(oc);
1557 QEMUMachine *qm = data;
1558
1559 mc->name = qm->name;
1560 mc->alias = qm->alias;
1561 mc->desc = qm->desc;
1562 mc->init = qm->init;
1563 mc->reset = qm->reset;
1564 mc->hot_add_cpu = qm->hot_add_cpu;
1565 mc->kvm_type = qm->kvm_type;
1566 mc->block_default_type = qm->block_default_type;
1567 mc->max_cpus = qm->max_cpus;
1568 mc->no_serial = qm->no_serial;
1569 mc->no_parallel = qm->no_parallel;
1570 mc->use_virtcon = qm->use_virtcon;
1571 mc->use_sclp = qm->use_sclp;
1572 mc->no_floppy = qm->no_floppy;
1573 mc->no_cdrom = qm->no_cdrom;
1574 mc->no_sdcard = qm->no_sdcard;
1575 mc->is_default = qm->is_default;
1576 mc->default_machine_opts = qm->default_machine_opts;
1577 mc->default_boot_order = qm->default_boot_order;
1578 mc->compat_props = qm->compat_props;
1579 mc->hw_version = qm->hw_version;
1580 }
1581
1582 int qemu_register_machine(QEMUMachine *m)
1583 {
1584 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1585 TypeInfo ti = {
1586 .name = name,
1587 .parent = TYPE_MACHINE,
1588 .class_init = machine_class_init,
1589 .class_data = (void *)m,
1590 };
1591
1592 type_register(&ti);
1593 g_free(name);
1594
1595 return 0;
1596 }
1597
1598 static MachineClass *find_machine(const char *name)
1599 {
1600 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1601 MachineClass *mc = NULL;
1602
1603 for (el = machines; el; el = el->next) {
1604 MachineClass *temp = el->data;
1605
1606 if (!strcmp(temp->name, name)) {
1607 mc = temp;
1608 break;
1609 }
1610 if (temp->alias &&
1611 !strcmp(temp->alias, name)) {
1612 mc = temp;
1613 break;
1614 }
1615 }
1616
1617 g_slist_free(machines);
1618 return mc;
1619 }
1620
1621 MachineClass *find_default_machine(void)
1622 {
1623 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1624 MachineClass *mc = NULL;
1625
1626 for (el = machines; el; el = el->next) {
1627 MachineClass *temp = el->data;
1628
1629 if (temp->is_default) {
1630 mc = temp;
1631 break;
1632 }
1633 }
1634
1635 g_slist_free(machines);
1636 return mc;
1637 }
1638
1639 MachineInfoList *qmp_query_machines(Error **errp)
1640 {
1641 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1642 MachineInfoList *mach_list = NULL;
1643
1644 for (el = machines; el; el = el->next) {
1645 MachineClass *mc = el->data;
1646 MachineInfoList *entry;
1647 MachineInfo *info;
1648
1649 info = g_malloc0(sizeof(*info));
1650 if (mc->is_default) {
1651 info->has_is_default = true;
1652 info->is_default = true;
1653 }
1654
1655 if (mc->alias) {
1656 info->has_alias = true;
1657 info->alias = g_strdup(mc->alias);
1658 }
1659
1660 info->name = g_strdup(mc->name);
1661 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1662
1663 entry = g_malloc0(sizeof(*entry));
1664 entry->value = info;
1665 entry->next = mach_list;
1666 mach_list = entry;
1667 }
1668
1669 g_slist_free(machines);
1670 return mach_list;
1671 }
1672
1673 /***********************************************************/
1674 /* main execution loop */
1675
1676 struct vm_change_state_entry {
1677 VMChangeStateHandler *cb;
1678 void *opaque;
1679 QLIST_ENTRY (vm_change_state_entry) entries;
1680 };
1681
1682 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1683
1684 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1685 void *opaque)
1686 {
1687 VMChangeStateEntry *e;
1688
1689 e = g_malloc0(sizeof (*e));
1690
1691 e->cb = cb;
1692 e->opaque = opaque;
1693 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1694 return e;
1695 }
1696
1697 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1698 {
1699 QLIST_REMOVE (e, entries);
1700 g_free (e);
1701 }
1702
1703 void vm_state_notify(int running, RunState state)
1704 {
1705 VMChangeStateEntry *e;
1706
1707 trace_vm_state_notify(running, state);
1708
1709 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1710 e->cb(e->opaque, running, state);
1711 }
1712 }
1713
1714 /* reset/shutdown handler */
1715
1716 typedef struct QEMUResetEntry {
1717 QTAILQ_ENTRY(QEMUResetEntry) entry;
1718 QEMUResetHandler *func;
1719 void *opaque;
1720 } QEMUResetEntry;
1721
1722 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1723 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1724 static int reset_requested;
1725 static int shutdown_requested, shutdown_signal = -1;
1726 static pid_t shutdown_pid;
1727 static int powerdown_requested;
1728 static int debug_requested;
1729 static int suspend_requested;
1730 static WakeupReason wakeup_reason;
1731 static NotifierList powerdown_notifiers =
1732 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1733 static NotifierList suspend_notifiers =
1734 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1735 static NotifierList wakeup_notifiers =
1736 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1737 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1738
1739 int qemu_shutdown_requested_get(void)
1740 {
1741 return shutdown_requested;
1742 }
1743
1744 int qemu_reset_requested_get(void)
1745 {
1746 return reset_requested;
1747 }
1748
1749 static int qemu_shutdown_requested(void)
1750 {
1751 int r = shutdown_requested;
1752 shutdown_requested = 0;
1753 return r;
1754 }
1755
1756 static void qemu_kill_report(void)
1757 {
1758 if (!qtest_driver() && shutdown_signal != -1) {
1759 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1760 if (shutdown_pid == 0) {
1761 /* This happens for eg ^C at the terminal, so it's worth
1762 * avoiding printing an odd message in that case.
1763 */
1764 fputc('\n', stderr);
1765 } else {
1766 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1767 }
1768 shutdown_signal = -1;
1769 }
1770 }
1771
1772 static int qemu_reset_requested(void)
1773 {
1774 int r = reset_requested;
1775 reset_requested = 0;
1776 return r;
1777 }
1778
1779 static int qemu_suspend_requested(void)
1780 {
1781 int r = suspend_requested;
1782 suspend_requested = 0;
1783 return r;
1784 }
1785
1786 static WakeupReason qemu_wakeup_requested(void)
1787 {
1788 return wakeup_reason;
1789 }
1790
1791 static int qemu_powerdown_requested(void)
1792 {
1793 int r = powerdown_requested;
1794 powerdown_requested = 0;
1795 return r;
1796 }
1797
1798 static int qemu_debug_requested(void)
1799 {
1800 int r = debug_requested;
1801 debug_requested = 0;
1802 return r;
1803 }
1804
1805 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1806 {
1807 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1808
1809 re->func = func;
1810 re->opaque = opaque;
1811 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1812 }
1813
1814 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1815 {
1816 QEMUResetEntry *re;
1817
1818 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1819 if (re->func == func && re->opaque == opaque) {
1820 QTAILQ_REMOVE(&reset_handlers, re, entry);
1821 g_free(re);
1822 return;
1823 }
1824 }
1825 }
1826
1827 void qemu_devices_reset(void)
1828 {
1829 QEMUResetEntry *re, *nre;
1830
1831 /* reset all devices */
1832 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1833 re->func(re->opaque);
1834 }
1835 }
1836
1837 void qemu_system_reset(bool report)
1838 {
1839 MachineClass *mc;
1840
1841 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1842
1843 if (mc && mc->reset) {
1844 mc->reset();
1845 } else {
1846 qemu_devices_reset();
1847 }
1848 if (report) {
1849 monitor_protocol_event(QEVENT_RESET, NULL);
1850 }
1851 cpu_synchronize_all_post_reset();
1852 }
1853
1854 void qemu_system_reset_request(void)
1855 {
1856 if (no_reboot) {
1857 shutdown_requested = 1;
1858 } else {
1859 reset_requested = 1;
1860 }
1861 cpu_stop_current();
1862 qemu_notify_event();
1863 }
1864
1865 static void qemu_system_suspend(void)
1866 {
1867 pause_all_vcpus();
1868 notifier_list_notify(&suspend_notifiers, NULL);
1869 runstate_set(RUN_STATE_SUSPENDED);
1870 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1871 }
1872
1873 void qemu_system_suspend_request(void)
1874 {
1875 if (runstate_check(RUN_STATE_SUSPENDED)) {
1876 return;
1877 }
1878 suspend_requested = 1;
1879 cpu_stop_current();
1880 qemu_notify_event();
1881 }
1882
1883 void qemu_register_suspend_notifier(Notifier *notifier)
1884 {
1885 notifier_list_add(&suspend_notifiers, notifier);
1886 }
1887
1888 void qemu_system_wakeup_request(WakeupReason reason)
1889 {
1890 trace_system_wakeup_request(reason);
1891
1892 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1893 return;
1894 }
1895 if (!(wakeup_reason_mask & (1 << reason))) {
1896 return;
1897 }
1898 runstate_set(RUN_STATE_RUNNING);
1899 wakeup_reason = reason;
1900 qemu_notify_event();
1901 }
1902
1903 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1904 {
1905 if (enabled) {
1906 wakeup_reason_mask |= (1 << reason);
1907 } else {
1908 wakeup_reason_mask &= ~(1 << reason);
1909 }
1910 }
1911
1912 void qemu_register_wakeup_notifier(Notifier *notifier)
1913 {
1914 notifier_list_add(&wakeup_notifiers, notifier);
1915 }
1916
1917 void qemu_system_killed(int signal, pid_t pid)
1918 {
1919 shutdown_signal = signal;
1920 shutdown_pid = pid;
1921 no_shutdown = 0;
1922 qemu_system_shutdown_request();
1923 }
1924
1925 void qemu_system_shutdown_request(void)
1926 {
1927 shutdown_requested = 1;
1928 qemu_notify_event();
1929 }
1930
1931 static void qemu_system_powerdown(void)
1932 {
1933 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1934 notifier_list_notify(&powerdown_notifiers, NULL);
1935 }
1936
1937 void qemu_system_powerdown_request(void)
1938 {
1939 powerdown_requested = 1;
1940 qemu_notify_event();
1941 }
1942
1943 void qemu_register_powerdown_notifier(Notifier *notifier)
1944 {
1945 notifier_list_add(&powerdown_notifiers, notifier);
1946 }
1947
1948 void qemu_system_debug_request(void)
1949 {
1950 debug_requested = 1;
1951 qemu_notify_event();
1952 }
1953
1954 static bool main_loop_should_exit(void)
1955 {
1956 RunState r;
1957 if (qemu_debug_requested()) {
1958 vm_stop(RUN_STATE_DEBUG);
1959 }
1960 if (qemu_suspend_requested()) {
1961 qemu_system_suspend();
1962 }
1963 if (qemu_shutdown_requested()) {
1964 qemu_kill_report();
1965 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1966 if (no_shutdown) {
1967 vm_stop(RUN_STATE_SHUTDOWN);
1968 } else {
1969 return true;
1970 }
1971 }
1972 if (qemu_reset_requested()) {
1973 pause_all_vcpus();
1974 cpu_synchronize_all_states();
1975 qemu_system_reset(VMRESET_REPORT);
1976 resume_all_vcpus();
1977 if (runstate_needs_reset()) {
1978 runstate_set(RUN_STATE_PAUSED);
1979 }
1980 }
1981 if (qemu_wakeup_requested()) {
1982 pause_all_vcpus();
1983 cpu_synchronize_all_states();
1984 qemu_system_reset(VMRESET_SILENT);
1985 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1986 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1987 resume_all_vcpus();
1988 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1989 }
1990 if (qemu_powerdown_requested()) {
1991 qemu_system_powerdown();
1992 }
1993 if (qemu_vmstop_requested(&r)) {
1994 vm_stop(r);
1995 }
1996 return false;
1997 }
1998
1999 static void main_loop(void)
2000 {
2001 bool nonblocking;
2002 int last_io = 0;
2003 #ifdef CONFIG_PROFILER
2004 int64_t ti;
2005 #endif
2006 do {
2007 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2008 #ifdef CONFIG_PROFILER
2009 ti = profile_getclock();
2010 #endif
2011 last_io = main_loop_wait(nonblocking);
2012 #ifdef CONFIG_PROFILER
2013 dev_time += profile_getclock() - ti;
2014 #endif
2015 } while (!main_loop_should_exit());
2016 }
2017
2018 static void version(void)
2019 {
2020 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2021 }
2022
2023 static void help(int exitcode)
2024 {
2025 version();
2026 printf("usage: %s [options] [disk_image]\n\n"
2027 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2028 error_get_progname());
2029
2030 #define QEMU_OPTIONS_GENERATE_HELP
2031 #include "qemu-options-wrapper.h"
2032
2033 printf("\nDuring emulation, the following keys are useful:\n"
2034 "ctrl-alt-f toggle full screen\n"
2035 "ctrl-alt-n switch to virtual console 'n'\n"
2036 "ctrl-alt toggle mouse and keyboard grab\n"
2037 "\n"
2038 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2039
2040 exit(exitcode);
2041 }
2042
2043 #define HAS_ARG 0x0001
2044
2045 typedef struct QEMUOption {
2046 const char *name;
2047 int flags;
2048 int index;
2049 uint32_t arch_mask;
2050 } QEMUOption;
2051
2052 static const QEMUOption qemu_options[] = {
2053 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2054 #define QEMU_OPTIONS_GENERATE_OPTIONS
2055 #include "qemu-options-wrapper.h"
2056 { NULL },
2057 };
2058
2059 static bool vga_available(void)
2060 {
2061 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2062 }
2063
2064 static bool cirrus_vga_available(void)
2065 {
2066 return object_class_by_name("cirrus-vga")
2067 || object_class_by_name("isa-cirrus-vga");
2068 }
2069
2070 static bool vmware_vga_available(void)
2071 {
2072 return object_class_by_name("vmware-svga");
2073 }
2074
2075 static bool qxl_vga_available(void)
2076 {
2077 return object_class_by_name("qxl-vga");
2078 }
2079
2080 static bool tcx_vga_available(void)
2081 {
2082 return object_class_by_name("SUNW,tcx");
2083 }
2084
2085 static bool cg3_vga_available(void)
2086 {
2087 return object_class_by_name("cgthree");
2088 }
2089
2090 static void select_vgahw (const char *p)
2091 {
2092 const char *opts;
2093
2094 assert(vga_interface_type == VGA_NONE);
2095 if (strstart(p, "std", &opts)) {
2096 if (vga_available()) {
2097 vga_interface_type = VGA_STD;
2098 } else {
2099 fprintf(stderr, "Error: standard VGA not available\n");
2100 exit(0);
2101 }
2102 } else if (strstart(p, "cirrus", &opts)) {
2103 if (cirrus_vga_available()) {
2104 vga_interface_type = VGA_CIRRUS;
2105 } else {
2106 fprintf(stderr, "Error: Cirrus VGA not available\n");
2107 exit(0);
2108 }
2109 } else if (strstart(p, "vmware", &opts)) {
2110 if (vmware_vga_available()) {
2111 vga_interface_type = VGA_VMWARE;
2112 } else {
2113 fprintf(stderr, "Error: VMWare SVGA not available\n");
2114 exit(0);
2115 }
2116 } else if (strstart(p, "xenfb", &opts)) {
2117 vga_interface_type = VGA_XENFB;
2118 } else if (strstart(p, "qxl", &opts)) {
2119 if (qxl_vga_available()) {
2120 vga_interface_type = VGA_QXL;
2121 } else {
2122 fprintf(stderr, "Error: QXL VGA not available\n");
2123 exit(0);
2124 }
2125 } else if (strstart(p, "tcx", &opts)) {
2126 if (tcx_vga_available()) {
2127 vga_interface_type = VGA_TCX;
2128 } else {
2129 fprintf(stderr, "Error: TCX framebuffer not available\n");
2130 exit(0);
2131 }
2132 } else if (strstart(p, "cg3", &opts)) {
2133 if (cg3_vga_available()) {
2134 vga_interface_type = VGA_CG3;
2135 } else {
2136 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2137 exit(0);
2138 }
2139 } else if (!strstart(p, "none", &opts)) {
2140 invalid_vga:
2141 fprintf(stderr, "Unknown vga type: %s\n", p);
2142 exit(1);
2143 }
2144 while (*opts) {
2145 const char *nextopt;
2146
2147 if (strstart(opts, ",retrace=", &nextopt)) {
2148 opts = nextopt;
2149 if (strstart(opts, "dumb", &nextopt))
2150 vga_retrace_method = VGA_RETRACE_DUMB;
2151 else if (strstart(opts, "precise", &nextopt))
2152 vga_retrace_method = VGA_RETRACE_PRECISE;
2153 else goto invalid_vga;
2154 } else goto invalid_vga;
2155 opts = nextopt;
2156 }
2157 }
2158
2159 static DisplayType select_display(const char *p)
2160 {
2161 const char *opts;
2162 DisplayType display = DT_DEFAULT;
2163
2164 if (strstart(p, "sdl", &opts)) {
2165 #ifdef CONFIG_SDL
2166 display = DT_SDL;
2167 while (*opts) {
2168 const char *nextopt;
2169
2170 if (strstart(opts, ",frame=", &nextopt)) {
2171 opts = nextopt;
2172 if (strstart(opts, "on", &nextopt)) {
2173 no_frame = 0;
2174 } else if (strstart(opts, "off", &nextopt)) {
2175 no_frame = 1;
2176 } else {
2177 goto invalid_sdl_args;
2178 }
2179 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2180 opts = nextopt;
2181 if (strstart(opts, "on", &nextopt)) {
2182 alt_grab = 1;
2183 } else if (strstart(opts, "off", &nextopt)) {
2184 alt_grab = 0;
2185 } else {
2186 goto invalid_sdl_args;
2187 }
2188 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2189 opts = nextopt;
2190 if (strstart(opts, "on", &nextopt)) {
2191 ctrl_grab = 1;
2192 } else if (strstart(opts, "off", &nextopt)) {
2193 ctrl_grab = 0;
2194 } else {
2195 goto invalid_sdl_args;
2196 }
2197 } else if (strstart(opts, ",window_close=", &nextopt)) {
2198 opts = nextopt;
2199 if (strstart(opts, "on", &nextopt)) {
2200 no_quit = 0;
2201 } else if (strstart(opts, "off", &nextopt)) {
2202 no_quit = 1;
2203 } else {
2204 goto invalid_sdl_args;
2205 }
2206 } else {
2207 invalid_sdl_args:
2208 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2209 exit(1);
2210 }
2211 opts = nextopt;
2212 }
2213 #else
2214 fprintf(stderr, "SDL support is disabled\n");
2215 exit(1);
2216 #endif
2217 } else if (strstart(p, "vnc", &opts)) {
2218 #ifdef CONFIG_VNC
2219 display_remote++;
2220
2221 if (*opts) {
2222 const char *nextopt;
2223
2224 if (strstart(opts, "=", &nextopt)) {
2225 vnc_display = nextopt;
2226 }
2227 }
2228 if (!vnc_display) {
2229 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2230 exit(1);
2231 }
2232 #else
2233 fprintf(stderr, "VNC support is disabled\n");
2234 exit(1);
2235 #endif
2236 } else if (strstart(p, "curses", &opts)) {
2237 #ifdef CONFIG_CURSES
2238 display = DT_CURSES;
2239 #else
2240 fprintf(stderr, "Curses support is disabled\n");
2241 exit(1);
2242 #endif
2243 } else if (strstart(p, "gtk", &opts)) {
2244 #ifdef CONFIG_GTK
2245 display = DT_GTK;
2246 while (*opts) {
2247 const char *nextopt;
2248
2249 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2250 opts = nextopt;
2251 if (strstart(opts, "on", &nextopt)) {
2252 grab_on_hover = true;
2253 } else if (strstart(opts, "off", &nextopt)) {
2254 grab_on_hover = false;
2255 } else {
2256 goto invalid_gtk_args;
2257 }
2258 } else {
2259 invalid_gtk_args:
2260 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2261 exit(1);
2262 }
2263 opts = nextopt;
2264 }
2265 #else
2266 fprintf(stderr, "GTK support is disabled\n");
2267 exit(1);
2268 #endif
2269 } else if (strstart(p, "none", &opts)) {
2270 display = DT_NONE;
2271 } else {
2272 fprintf(stderr, "Unknown display type: %s\n", p);
2273 exit(1);
2274 }
2275
2276 return display;
2277 }
2278
2279 static int balloon_parse(const char *arg)
2280 {
2281 QemuOpts *opts;
2282
2283 if (strcmp(arg, "none") == 0) {
2284 return 0;
2285 }
2286
2287 if (!strncmp(arg, "virtio", 6)) {
2288 if (arg[6] == ',') {
2289 /* have params -> parse them */
2290 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2291 if (!opts)
2292 return -1;
2293 } else {
2294 /* create empty opts */
2295 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2296 &error_abort);
2297 }
2298 qemu_opt_set(opts, "driver", "virtio-balloon");
2299 return 0;
2300 }
2301
2302 return -1;
2303 }
2304
2305 char *qemu_find_file(int type, const char *name)
2306 {
2307 int i;
2308 const char *subdir;
2309 char *buf;
2310
2311 /* Try the name as a straight path first */
2312 if (access(name, R_OK) == 0) {
2313 trace_load_file(name, name);
2314 return g_strdup(name);
2315 }
2316
2317 switch (type) {
2318 case QEMU_FILE_TYPE_BIOS:
2319 subdir = "";
2320 break;
2321 case QEMU_FILE_TYPE_KEYMAP:
2322 subdir = "keymaps/";
2323 break;
2324 default:
2325 abort();
2326 }
2327
2328 for (i = 0; i < data_dir_idx; i++) {
2329 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2330 if (access(buf, R_OK) == 0) {
2331 trace_load_file(name, buf);
2332 return buf;
2333 }
2334 g_free(buf);
2335 }
2336 return NULL;
2337 }
2338
2339 static int device_help_func(QemuOpts *opts, void *opaque)
2340 {
2341 return qdev_device_help(opts);
2342 }
2343
2344 static int device_init_func(QemuOpts *opts, void *opaque)
2345 {
2346 DeviceState *dev;
2347
2348 dev = qdev_device_add(opts);
2349 if (!dev)
2350 return -1;
2351 object_unref(OBJECT(dev));
2352 return 0;
2353 }
2354
2355 static int chardev_init_func(QemuOpts *opts, void *opaque)
2356 {
2357 Error *local_err = NULL;
2358
2359 qemu_chr_new_from_opts(opts, NULL, &local_err);
2360 if (local_err) {
2361 error_report("%s", error_get_pretty(local_err));
2362 error_free(local_err);
2363 return -1;
2364 }
2365 return 0;
2366 }
2367
2368 #ifdef CONFIG_VIRTFS
2369 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2370 {
2371 int ret;
2372 ret = qemu_fsdev_add(opts);
2373
2374 return ret;
2375 }
2376 #endif
2377
2378 static int mon_init_func(QemuOpts *opts, void *opaque)
2379 {
2380 CharDriverState *chr;
2381 const char *chardev;
2382 const char *mode;
2383 int flags;
2384
2385 mode = qemu_opt_get(opts, "mode");
2386 if (mode == NULL) {
2387 mode = "readline";
2388 }
2389 if (strcmp(mode, "readline") == 0) {
2390 flags = MONITOR_USE_READLINE;
2391 } else if (strcmp(mode, "control") == 0) {
2392 flags = MONITOR_USE_CONTROL;
2393 } else {
2394 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2395 exit(1);
2396 }
2397
2398 if (qemu_opt_get_bool(opts, "pretty", 0))
2399 flags |= MONITOR_USE_PRETTY;
2400
2401 if (qemu_opt_get_bool(opts, "default", 0))
2402 flags |= MONITOR_IS_DEFAULT;
2403
2404 chardev = qemu_opt_get(opts, "chardev");
2405 chr = qemu_chr_find(chardev);
2406 if (chr == NULL) {
2407 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2408 exit(1);
2409 }
2410
2411 qemu_chr_fe_claim_no_fail(chr);
2412 monitor_init(chr, flags);
2413 return 0;
2414 }
2415
2416 static void monitor_parse(const char *optarg, const char *mode)
2417 {
2418 static int monitor_device_index = 0;
2419 QemuOpts *opts;
2420 const char *p;
2421 char label[32];
2422 int def = 0;
2423
2424 if (strstart(optarg, "chardev:", &p)) {
2425 snprintf(label, sizeof(label), "%s", p);
2426 } else {
2427 snprintf(label, sizeof(label), "compat_monitor%d",
2428 monitor_device_index);
2429 if (monitor_device_index == 0) {
2430 def = 1;
2431 }
2432 opts = qemu_chr_parse_compat(label, optarg);
2433 if (!opts) {
2434 fprintf(stderr, "parse error: %s\n", optarg);
2435 exit(1);
2436 }
2437 }
2438
2439 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2440 if (!opts) {
2441 fprintf(stderr, "duplicate chardev: %s\n", label);
2442 exit(1);
2443 }
2444 qemu_opt_set(opts, "mode", mode);
2445 qemu_opt_set(opts, "chardev", label);
2446 if (def)
2447 qemu_opt_set(opts, "default", "on");
2448 monitor_device_index++;
2449 }
2450
2451 struct device_config {
2452 enum {
2453 DEV_USB, /* -usbdevice */
2454 DEV_BT, /* -bt */
2455 DEV_SERIAL, /* -serial */
2456 DEV_PARALLEL, /* -parallel */
2457 DEV_VIRTCON, /* -virtioconsole */
2458 DEV_DEBUGCON, /* -debugcon */
2459 DEV_GDB, /* -gdb, -s */
2460 DEV_SCLP, /* s390 sclp */
2461 } type;
2462 const char *cmdline;
2463 Location loc;
2464 QTAILQ_ENTRY(device_config) next;
2465 };
2466
2467 static QTAILQ_HEAD(, device_config) device_configs =
2468 QTAILQ_HEAD_INITIALIZER(device_configs);
2469
2470 static void add_device_config(int type, const char *cmdline)
2471 {
2472 struct device_config *conf;
2473
2474 conf = g_malloc0(sizeof(*conf));
2475 conf->type = type;
2476 conf->cmdline = cmdline;
2477 loc_save(&conf->loc);
2478 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2479 }
2480
2481 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2482 {
2483 struct device_config *conf;
2484 int rc;
2485
2486 QTAILQ_FOREACH(conf, &device_configs, next) {
2487 if (conf->type != type)
2488 continue;
2489 loc_push_restore(&conf->loc);
2490 rc = func(conf->cmdline);
2491 loc_pop(&conf->loc);
2492 if (0 != rc)
2493 return rc;
2494 }
2495 return 0;
2496 }
2497
2498 static int serial_parse(const char *devname)
2499 {
2500 static int index = 0;
2501 char label[32];
2502
2503 if (strcmp(devname, "none") == 0)
2504 return 0;
2505 if (index == MAX_SERIAL_PORTS) {
2506 fprintf(stderr, "qemu: too many serial ports\n");
2507 exit(1);
2508 }
2509 snprintf(label, sizeof(label), "serial%d", index);
2510 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2511 if (!serial_hds[index]) {
2512 fprintf(stderr, "qemu: could not connect serial device"
2513 " to character backend '%s'\n", devname);
2514 return -1;
2515 }
2516 index++;
2517 return 0;
2518 }
2519
2520 static int parallel_parse(const char *devname)
2521 {
2522 static int index = 0;
2523 char label[32];
2524
2525 if (strcmp(devname, "none") == 0)
2526 return 0;
2527 if (index == MAX_PARALLEL_PORTS) {
2528 fprintf(stderr, "qemu: too many parallel ports\n");
2529 exit(1);
2530 }
2531 snprintf(label, sizeof(label), "parallel%d", index);
2532 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2533 if (!parallel_hds[index]) {
2534 fprintf(stderr, "qemu: could not connect parallel device"
2535 " to character backend '%s'\n", devname);
2536 return -1;
2537 }
2538 index++;
2539 return 0;
2540 }
2541
2542 static int virtcon_parse(const char *devname)
2543 {
2544 QemuOptsList *device = qemu_find_opts("device");
2545 static int index = 0;
2546 char label[32];
2547 QemuOpts *bus_opts, *dev_opts;
2548
2549 if (strcmp(devname, "none") == 0)
2550 return 0;
2551 if (index == MAX_VIRTIO_CONSOLES) {
2552 fprintf(stderr, "qemu: too many virtio consoles\n");
2553 exit(1);
2554 }
2555
2556 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2557 if (arch_type == QEMU_ARCH_S390X) {
2558 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2559 } else {
2560 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2561 }
2562
2563 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2564 qemu_opt_set(dev_opts, "driver", "virtconsole");
2565
2566 snprintf(label, sizeof(label), "virtcon%d", index);
2567 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2568 if (!virtcon_hds[index]) {
2569 fprintf(stderr, "qemu: could not connect virtio console"
2570 " to character backend '%s'\n", devname);
2571 return -1;
2572 }
2573 qemu_opt_set(dev_opts, "chardev", label);
2574
2575 index++;
2576 return 0;
2577 }
2578
2579 static int sclp_parse(const char *devname)
2580 {
2581 QemuOptsList *device = qemu_find_opts("device");
2582 static int index = 0;
2583 char label[32];
2584 QemuOpts *dev_opts;
2585
2586 if (strcmp(devname, "none") == 0) {
2587 return 0;
2588 }
2589 if (index == MAX_SCLP_CONSOLES) {
2590 fprintf(stderr, "qemu: too many sclp consoles\n");
2591 exit(1);
2592 }
2593
2594 assert(arch_type == QEMU_ARCH_S390X);
2595
2596 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2597 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2598
2599 snprintf(label, sizeof(label), "sclpcon%d", index);
2600 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2601 if (!sclp_hds[index]) {
2602 fprintf(stderr, "qemu: could not connect sclp console"
2603 " to character backend '%s'\n", devname);
2604 return -1;
2605 }
2606 qemu_opt_set(dev_opts, "chardev", label);
2607
2608 index++;
2609 return 0;
2610 }
2611
2612 static int debugcon_parse(const char *devname)
2613 {
2614 QemuOpts *opts;
2615
2616 if (!qemu_chr_new("debugcon", devname, NULL)) {
2617 exit(1);
2618 }
2619 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2620 if (!opts) {
2621 fprintf(stderr, "qemu: already have a debugcon device\n");
2622 exit(1);
2623 }
2624 qemu_opt_set(opts, "driver", "isa-debugcon");
2625 qemu_opt_set(opts, "chardev", "debugcon");
2626 return 0;
2627 }
2628
2629 static MachineClass *machine_parse(const char *name)
2630 {
2631 MachineClass *mc = NULL;
2632 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2633
2634 if (name) {
2635 mc = find_machine(name);
2636 }
2637 if (mc) {
2638 return mc;
2639 }
2640 if (name && !is_help_option(name)) {
2641 error_report("Unsupported machine type");
2642 error_printf("Use -machine help to list supported machines!\n");
2643 } else {
2644 printf("Supported machines are:\n");
2645 for (el = machines; el; el = el->next) {
2646 MachineClass *mc = el->data;
2647 if (mc->alias) {
2648 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2649 }
2650 printf("%-20s %s%s\n", mc->name, mc->desc,
2651 mc->is_default ? " (default)" : "");
2652 }
2653 }
2654
2655 g_slist_free(machines);
2656 exit(!name || !is_help_option(name));
2657 }
2658
2659 static int tcg_init(MachineClass *mc)
2660 {
2661 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2662 return 0;
2663 }
2664
2665 static struct {
2666 const char *opt_name;
2667 const char *name;
2668 int (*available)(void);
2669 int (*init)(MachineClass *mc);
2670 bool *allowed;
2671 } accel_list[] = {
2672 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2673 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2674 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2675 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2676 };
2677
2678 static int configure_accelerator(MachineClass *mc)
2679 {
2680 const char *p;
2681 char buf[10];
2682 int i, ret;
2683 bool accel_initialised = false;
2684 bool init_failed = false;
2685
2686 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2687 if (p == NULL) {
2688 /* Use the default "accelerator", tcg */
2689 p = "tcg";
2690 }
2691
2692 while (!accel_initialised && *p != '\0') {
2693 if (*p == ':') {
2694 p++;
2695 }
2696 p = get_opt_name(buf, sizeof (buf), p, ':');
2697 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2698 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2699 if (!accel_list[i].available()) {
2700 printf("%s not supported for this target\n",
2701 accel_list[i].name);
2702 break;
2703 }
2704 *(accel_list[i].allowed) = true;
2705 ret = accel_list[i].init(mc);
2706 if (ret < 0) {
2707 init_failed = true;
2708 fprintf(stderr, "failed to initialize %s: %s\n",
2709 accel_list[i].name,
2710 strerror(-ret));
2711 *(accel_list[i].allowed) = false;
2712 } else {
2713 accel_initialised = true;
2714 }
2715 break;
2716 }
2717 }
2718 if (i == ARRAY_SIZE(accel_list)) {
2719 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2720 }
2721 }
2722
2723 if (!accel_initialised) {
2724 if (!init_failed) {
2725 fprintf(stderr, "No accelerator found!\n");
2726 }
2727 exit(1);
2728 }
2729
2730 if (init_failed) {
2731 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2732 }
2733
2734 return !accel_initialised;
2735 }
2736
2737 void qemu_add_exit_notifier(Notifier *notify)
2738 {
2739 notifier_list_add(&exit_notifiers, notify);
2740 }
2741
2742 void qemu_remove_exit_notifier(Notifier *notify)
2743 {
2744 notifier_remove(notify);
2745 }
2746
2747 static void qemu_run_exit_notifiers(void)
2748 {
2749 notifier_list_notify(&exit_notifiers, NULL);
2750 }
2751
2752 void qemu_add_machine_init_done_notifier(Notifier *notify)
2753 {
2754 notifier_list_add(&machine_init_done_notifiers, notify);
2755 }
2756
2757 static void qemu_run_machine_init_done_notifiers(void)
2758 {
2759 notifier_list_notify(&machine_init_done_notifiers, NULL);
2760 }
2761
2762 static const QEMUOption *lookup_opt(int argc, char **argv,
2763 const char **poptarg, int *poptind)
2764 {
2765 const QEMUOption *popt;
2766 int optind = *poptind;
2767 char *r = argv[optind];
2768 const char *optarg;
2769
2770 loc_set_cmdline(argv, optind, 1);
2771 optind++;
2772 /* Treat --foo the same as -foo. */
2773 if (r[1] == '-')
2774 r++;
2775 popt = qemu_options;
2776 for(;;) {
2777 if (!popt->name) {
2778 error_report("invalid option");
2779 exit(1);
2780 }
2781 if (!strcmp(popt->name, r + 1))
2782 break;
2783 popt++;
2784 }
2785 if (popt->flags & HAS_ARG) {
2786 if (optind >= argc) {
2787 error_report("requires an argument");
2788 exit(1);
2789 }
2790 optarg = argv[optind++];
2791 loc_set_cmdline(argv, optind - 2, 2);
2792 } else {
2793 optarg = NULL;
2794 }
2795
2796 *poptarg = optarg;
2797 *poptind = optind;
2798
2799 return popt;
2800 }
2801
2802 static gpointer malloc_and_trace(gsize n_bytes)
2803 {
2804 void *ptr = malloc(n_bytes);
2805 trace_g_malloc(n_bytes, ptr);
2806 return ptr;
2807 }
2808
2809 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2810 {
2811 void *ptr = realloc(mem, n_bytes);
2812 trace_g_realloc(mem, n_bytes, ptr);
2813 return ptr;
2814 }
2815
2816 static void free_and_trace(gpointer mem)
2817 {
2818 trace_g_free(mem);
2819 free(mem);
2820 }
2821
2822 static int object_set_property(const char *name, const char *value, void *opaque)
2823 {
2824 Object *obj = OBJECT(opaque);
2825 StringInputVisitor *siv;
2826 Error *local_err = NULL;
2827
2828 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2829 strcmp(name, "type") == 0) {
2830 return 0;
2831 }
2832
2833 siv = string_input_visitor_new(value);
2834 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2835 string_input_visitor_cleanup(siv);
2836
2837 if (local_err) {
2838 qerror_report_err(local_err);
2839 error_free(local_err);
2840 return -1;
2841 }
2842
2843 return 0;
2844 }
2845
2846 static int object_create(QemuOpts *opts, void *opaque)
2847 {
2848 Error *err = NULL;
2849 char *type = NULL;
2850 char *id = NULL;
2851 void *dummy = NULL;
2852 OptsVisitor *ov;
2853 QDict *pdict;
2854
2855 ov = opts_visitor_new(opts);
2856 pdict = qemu_opts_to_qdict(opts, NULL);
2857
2858 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2859 if (err) {
2860 goto out;
2861 }
2862
2863 qdict_del(pdict, "qom-type");
2864 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2865 if (err) {
2866 goto out;
2867 }
2868
2869 qdict_del(pdict, "id");
2870 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2871 if (err) {
2872 goto out;
2873 }
2874
2875 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2876 if (err) {
2877 goto out;
2878 }
2879 visit_end_struct(opts_get_visitor(ov), &err);
2880 if (err) {
2881 qmp_object_del(id, NULL);
2882 }
2883
2884 out:
2885 opts_visitor_cleanup(ov);
2886
2887 QDECREF(pdict);
2888 g_free(id);
2889 g_free(type);
2890 g_free(dummy);
2891 if (err) {
2892 qerror_report_err(err);
2893 return -1;
2894 }
2895 return 0;
2896 }
2897
2898 int main(int argc, char **argv, char **envp)
2899 {
2900 int i;
2901 int snapshot, linux_boot;
2902 const char *icount_option = NULL;
2903 const char *initrd_filename;
2904 const char *kernel_filename, *kernel_cmdline;
2905 const char *boot_order;
2906 DisplayState *ds;
2907 int cyls, heads, secs, translation;
2908 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2909 QemuOptsList *olist;
2910 int optind;
2911 const char *optarg;
2912 const char *loadvm = NULL;
2913 MachineClass *machine_class;
2914 const char *cpu_model;
2915 const char *vga_model = NULL;
2916 const char *qtest_chrdev = NULL;
2917 const char *qtest_log = NULL;
2918 const char *pid_file = NULL;
2919 const char *incoming = NULL;
2920 #ifdef CONFIG_VNC
2921 int show_vnc_port = 0;
2922 #endif
2923 bool defconfig = true;
2924 bool userconfig = true;
2925 const char *log_mask = NULL;
2926 const char *log_file = NULL;
2927 GMemVTable mem_trace = {
2928 .malloc = malloc_and_trace,
2929 .realloc = realloc_and_trace,
2930 .free = free_and_trace,
2931 };
2932 const char *trace_events = NULL;
2933 const char *trace_file = NULL;
2934 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2935 1024 * 1024;
2936 ram_addr_t maxram_size = default_ram_size;
2937 uint64_t ram_slots = 0;
2938
2939 atexit(qemu_run_exit_notifiers);
2940 error_set_progname(argv[0]);
2941 qemu_init_exec_dir(argv[0]);
2942
2943 g_mem_set_vtable(&mem_trace);
2944
2945 module_call_init(MODULE_INIT_QOM);
2946
2947 qemu_add_opts(&qemu_drive_opts);
2948 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2949 qemu_add_drive_opts(&qemu_common_drive_opts);
2950 qemu_add_drive_opts(&qemu_drive_opts);
2951 qemu_add_opts(&qemu_chardev_opts);
2952 qemu_add_opts(&qemu_device_opts);
2953 qemu_add_opts(&qemu_netdev_opts);
2954 qemu_add_opts(&qemu_net_opts);
2955 qemu_add_opts(&qemu_rtc_opts);
2956 qemu_add_opts(&qemu_global_opts);
2957 qemu_add_opts(&qemu_mon_opts);
2958 qemu_add_opts(&qemu_trace_opts);
2959 qemu_add_opts(&qemu_option_rom_opts);
2960 qemu_add_opts(&qemu_machine_opts);
2961 qemu_add_opts(&qemu_mem_opts);
2962 qemu_add_opts(&qemu_smp_opts);
2963 qemu_add_opts(&qemu_boot_opts);
2964 qemu_add_opts(&qemu_sandbox_opts);
2965 qemu_add_opts(&qemu_add_fd_opts);
2966 qemu_add_opts(&qemu_object_opts);
2967 qemu_add_opts(&qemu_tpmdev_opts);
2968 qemu_add_opts(&qemu_realtime_opts);
2969 qemu_add_opts(&qemu_msg_opts);
2970 qemu_add_opts(&qemu_name_opts);
2971 qemu_add_opts(&qemu_numa_opts);
2972
2973 runstate_init();
2974
2975 rtc_clock = QEMU_CLOCK_HOST;
2976
2977 qemu_init_auxval(envp);
2978 qemu_cache_utils_init();
2979
2980 QLIST_INIT (&vm_change_state_head);
2981 os_setup_early_signal_handling();
2982
2983 module_call_init(MODULE_INIT_MACHINE);
2984 machine_class = find_default_machine();
2985 cpu_model = NULL;
2986 ram_size = default_ram_size;
2987 snapshot = 0;
2988 cyls = heads = secs = 0;
2989 translation = BIOS_ATA_TRANSLATION_AUTO;
2990
2991 for (i = 0; i < MAX_NODES; i++) {
2992 numa_info[i].node_mem = 0;
2993 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2994 }
2995
2996 nb_numa_nodes = 0;
2997 nb_nics = 0;
2998
2999 bdrv_init_with_whitelist();
3000
3001 autostart = 1;
3002
3003 /* first pass of option parsing */
3004 optind = 1;
3005 while (optind < argc) {
3006 if (argv[optind][0] != '-') {
3007 /* disk image */
3008 optind++;
3009 } else {
3010 const QEMUOption *popt;
3011
3012 popt = lookup_opt(argc, argv, &optarg, &optind);
3013 switch (popt->index) {
3014 case QEMU_OPTION_nodefconfig:
3015 defconfig = false;
3016 break;
3017 case QEMU_OPTION_nouserconfig:
3018 userconfig = false;
3019 break;
3020 }
3021 }
3022 }
3023
3024 if (defconfig) {
3025 int ret;
3026 ret = qemu_read_default_config_files(userconfig);
3027 if (ret < 0) {
3028 exit(1);
3029 }
3030 }
3031
3032 /* second pass of option parsing */
3033 optind = 1;
3034 for(;;) {
3035 if (optind >= argc)
3036 break;
3037 if (argv[optind][0] != '-') {
3038 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3039 } else {
3040 const QEMUOption *popt;
3041
3042 popt = lookup_opt(argc, argv, &optarg, &optind);
3043 if (!(popt->arch_mask & arch_type)) {
3044 printf("Option %s not supported for this target\n", popt->name);
3045 exit(1);
3046 }
3047 switch(popt->index) {
3048 case QEMU_OPTION_M:
3049 machine_class = machine_parse(optarg);
3050 break;
3051 case QEMU_OPTION_no_kvm_irqchip: {
3052 olist = qemu_find_opts("machine");
3053 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3054 break;
3055 }
3056 case QEMU_OPTION_cpu:
3057 /* hw initialization will check this */
3058 cpu_model = optarg;
3059 break;
3060 case QEMU_OPTION_hda:
3061 {
3062 char buf[256];
3063 if (cyls == 0)
3064 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3065 else
3066 snprintf(buf, sizeof(buf),
3067 "%s,cyls=%d,heads=%d,secs=%d%s",
3068 HD_OPTS , cyls, heads, secs,
3069 translation == BIOS_ATA_TRANSLATION_LBA ?
3070 ",trans=lba" :
3071 translation == BIOS_ATA_TRANSLATION_NONE ?
3072 ",trans=none" : "");
3073 drive_add(IF_DEFAULT, 0, optarg, buf);
3074 break;
3075 }
3076 case QEMU_OPTION_hdb:
3077 case QEMU_OPTION_hdc:
3078 case QEMU_OPTION_hdd:
3079 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3080 HD_OPTS);
3081 break;
3082 case QEMU_OPTION_drive:
3083 if (drive_def(optarg) == NULL) {
3084 exit(1);
3085 }
3086 break;
3087 case QEMU_OPTION_set:
3088 if (qemu_set_option(optarg) != 0)
3089 exit(1);
3090 break;
3091 case QEMU_OPTION_global:
3092 if (qemu_global_option(optarg) != 0)
3093 exit(1);
3094 break;
3095 case QEMU_OPTION_mtdblock:
3096 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3097 break;
3098 case QEMU_OPTION_sd:
3099 drive_add(IF_SD, -1, optarg, SD_OPTS);
3100 break;
3101 case QEMU_OPTION_pflash:
3102 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3103 break;
3104 case QEMU_OPTION_snapshot:
3105 snapshot = 1;
3106 break;
3107 case QEMU_OPTION_hdachs:
3108 {
3109 const char *p;
3110 p = optarg;
3111 cyls = strtol(p, (char **)&p, 0);
3112 if (cyls < 1 || cyls > 16383)
3113 goto chs_fail;
3114 if (*p != ',')
3115 goto chs_fail;
3116 p++;
3117 heads = strtol(p, (char **)&p, 0);
3118 if (heads < 1 || heads > 16)
3119 goto chs_fail;
3120 if (*p != ',')
3121 goto chs_fail;
3122 p++;
3123 secs = strtol(p, (char **)&p, 0);
3124 if (secs < 1 || secs > 63)
3125 goto chs_fail;
3126 if (*p == ',') {
3127 p++;
3128 if (!strcmp(p, "large")) {
3129 translation = BIOS_ATA_TRANSLATION_LARGE;
3130 } else if (!strcmp(p, "rechs")) {
3131 translation = BIOS_ATA_TRANSLATION_RECHS;
3132 } else if (!strcmp(p, "none")) {
3133 translation = BIOS_ATA_TRANSLATION_NONE;
3134 } else if (!strcmp(p, "lba")) {
3135 translation = BIOS_ATA_TRANSLATION_LBA;
3136 } else if (!strcmp(p, "auto")) {
3137 translation = BIOS_ATA_TRANSLATION_AUTO;
3138 } else {
3139 goto chs_fail;
3140 }
3141 } else if (*p != '\0') {
3142 chs_fail:
3143 fprintf(stderr, "qemu: invalid physical CHS format\n");
3144 exit(1);
3145 }
3146 if (hda_opts != NULL) {
3147 char num[16];
3148 snprintf(num, sizeof(num), "%d", cyls);
3149 qemu_opt_set(hda_opts, "cyls", num);
3150 snprintf(num, sizeof(num), "%d", heads);
3151 qemu_opt_set(hda_opts, "heads", num);
3152 snprintf(num, sizeof(num), "%d", secs);
3153 qemu_opt_set(hda_opts, "secs", num);
3154 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3155 qemu_opt_set(hda_opts, "trans", "large");
3156 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3157 qemu_opt_set(hda_opts, "trans", "rechs");
3158 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3159 qemu_opt_set(hda_opts, "trans", "lba");
3160 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3161 qemu_opt_set(hda_opts, "trans", "none");
3162 }
3163 }
3164 }
3165 break;
3166 case QEMU_OPTION_numa:
3167 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3168 if (!opts) {
3169 exit(1);
3170 }
3171 break;
3172 case QEMU_OPTION_display:
3173 display_type = select_display(optarg);
3174 break;
3175 case QEMU_OPTION_nographic:
3176 display_type = DT_NOGRAPHIC;
3177 break;
3178 case QEMU_OPTION_curses:
3179 #ifdef CONFIG_CURSES
3180 display_type = DT_CURSES;
3181 #else
3182 fprintf(stderr, "Curses support is disabled\n");
3183 exit(1);
3184 #endif
3185 break;
3186 case QEMU_OPTION_portrait:
3187 graphic_rotate = 90;
3188 break;
3189 case QEMU_OPTION_rotate:
3190 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3191 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3192 graphic_rotate != 180 && graphic_rotate != 270) {
3193 fprintf(stderr,
3194 "qemu: only 90, 180, 270 deg rotation is available\n");
3195 exit(1);
3196 }
3197 break;
3198 case QEMU_OPTION_kernel:
3199 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3200 break;
3201 case QEMU_OPTION_initrd:
3202 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3203 break;
3204 case QEMU_OPTION_append:
3205 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3206 break;
3207 case QEMU_OPTION_dtb:
3208 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3209 break;
3210 case QEMU_OPTION_cdrom:
3211 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3212 break;
3213 case QEMU_OPTION_boot:
3214 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3215 if (!opts) {
3216 exit(1);
3217 }
3218 break;
3219 case QEMU_OPTION_fda:
3220 case QEMU_OPTION_fdb:
3221 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3222 optarg, FD_OPTS);
3223 break;
3224 case QEMU_OPTION_no_fd_bootchk:
3225 fd_bootchk = 0;
3226 break;
3227 case QEMU_OPTION_netdev:
3228 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3229 exit(1);
3230 }
3231 break;
3232 case QEMU_OPTION_net:
3233 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3234 exit(1);
3235 }
3236 break;
3237 #ifdef CONFIG_LIBISCSI
3238 case QEMU_OPTION_iscsi:
3239 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3240 if (!opts) {
3241 exit(1);
3242 }
3243 break;
3244 #endif
3245 #ifdef CONFIG_SLIRP
3246 case QEMU_OPTION_tftp:
3247 legacy_tftp_prefix = optarg;
3248 break;
3249 case QEMU_OPTION_bootp:
3250 legacy_bootp_filename = optarg;
3251 break;
3252 case QEMU_OPTION_redir:
3253 if (net_slirp_redir(optarg) < 0)
3254 exit(1);
3255 break;
3256 #endif
3257 case QEMU_OPTION_bt:
3258 add_device_config(DEV_BT, optarg);
3259 break;
3260 case QEMU_OPTION_audio_help:
3261 AUD_help ();
3262 exit (0);
3263 break;
3264 case QEMU_OPTION_soundhw:
3265 select_soundhw (optarg);
3266 break;
3267 case QEMU_OPTION_h:
3268 help(0);
3269 break;
3270 case QEMU_OPTION_version:
3271 version();
3272 exit(0);
3273 break;
3274 case QEMU_OPTION_m: {
3275 uint64_t sz;
3276 const char *mem_str;
3277 const char *maxmem_str, *slots_str;
3278
3279 opts = qemu_opts_parse(qemu_find_opts("memory"),
3280 optarg, 1);
3281 if (!opts) {
3282 exit(EXIT_FAILURE);
3283 }
3284
3285 mem_str = qemu_opt_get(opts, "size");
3286 if (!mem_str) {
3287 error_report("invalid -m option, missing 'size' option");
3288 exit(EXIT_FAILURE);
3289 }
3290 if (!*mem_str) {
3291 error_report("missing 'size' option value");
3292 exit(EXIT_FAILURE);
3293 }
3294
3295 sz = qemu_opt_get_size(opts, "size", ram_size);
3296
3297 /* Fix up legacy suffix-less format */
3298 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3299 uint64_t overflow_check = sz;
3300
3301 sz <<= 20;
3302 if ((sz >> 20) != overflow_check) {
3303 error_report("too large 'size' option value");
3304 exit(EXIT_FAILURE);
3305 }
3306 }
3307
3308 /* backward compatibility behaviour for case "-m 0" */
3309 if (sz == 0) {
3310 sz = default_ram_size;
3311 }
3312
3313 sz = QEMU_ALIGN_UP(sz, 8192);
3314 ram_size = sz;
3315 if (ram_size != sz) {
3316 error_report("ram size too large");
3317 exit(EXIT_FAILURE);
3318 }
3319
3320 maxmem_str = qemu_opt_get(opts, "maxmem");
3321 slots_str = qemu_opt_get(opts, "slots");
3322 if (maxmem_str && slots_str) {
3323 uint64_t slots;
3324
3325 sz = qemu_opt_get_size(opts, "maxmem", 0);
3326 if (sz < ram_size) {
3327 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3328 "(%" PRIu64 ") <= initial memory ("
3329 RAM_ADDR_FMT ")\n", sz, ram_size);
3330 exit(EXIT_FAILURE);
3331 }
3332
3333 slots = qemu_opt_get_number(opts, "slots", 0);
3334 if ((sz > ram_size) && !slots) {
3335 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3336 "(%" PRIu64 ") more than initial memory ("
3337 RAM_ADDR_FMT ") but no hotplug slots where "
3338 "specified\n", sz, ram_size);
3339 exit(EXIT_FAILURE);
3340 }
3341
3342 if ((sz <= ram_size) && slots) {
3343 fprintf(stderr, "qemu: invalid -m option value: %"
3344 PRIu64 " hotplug slots where specified but "
3345 "maxmem (%" PRIu64 ") <= initial memory ("
3346 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3347 exit(EXIT_FAILURE);
3348 }
3349 maxram_size = sz;
3350 ram_slots = slots;
3351 } else if ((!maxmem_str && slots_str) ||
3352 (maxmem_str && !slots_str)) {
3353 fprintf(stderr, "qemu: invalid -m option value: missing "
3354 "'%s' option\n", slots_str ? "maxmem" : "slots");
3355 exit(EXIT_FAILURE);
3356 }
3357 break;
3358 }
3359 #ifdef CONFIG_TPM
3360 case QEMU_OPTION_tpmdev:
3361 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3362 exit(1);
3363 }
3364 break;
3365 #endif
3366 case QEMU_OPTION_mempath:
3367 mem_path = optarg;
3368 break;
3369 case QEMU_OPTION_mem_prealloc:
3370 mem_prealloc = 1;
3371 break;
3372 case QEMU_OPTION_d:
3373 log_mask = optarg;
3374 break;
3375 case QEMU_OPTION_D:
3376 log_file = optarg;
3377 break;
3378 case QEMU_OPTION_s:
3379 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3380 break;
3381 case QEMU_OPTION_gdb:
3382 add_device_config(DEV_GDB, optarg);
3383 break;
3384 case QEMU_OPTION_L:
3385 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3386 data_dir[data_dir_idx++] = optarg;
3387 }
3388 break;
3389 case QEMU_OPTION_bios:
3390 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3391 break;
3392 case QEMU_OPTION_singlestep:
3393 singlestep = 1;
3394 break;
3395 case QEMU_OPTION_S:
3396 autostart = 0;
3397 break;
3398 case QEMU_OPTION_k:
3399 keyboard_layout = optarg;
3400 break;
3401 case QEMU_OPTION_localtime:
3402 rtc_utc = 0;
3403 break;
3404 case QEMU_OPTION_vga:
3405 vga_model = optarg;
3406 default_vga = 0;
3407 break;
3408 case QEMU_OPTION_g:
3409 {
3410 const char *p;
3411 int w, h, depth;
3412 p = optarg;
3413 w = strtol(p, (char **)&p, 10);
3414 if (w <= 0) {
3415 graphic_error:
3416 fprintf(stderr, "qemu: invalid resolution or depth\n");
3417 exit(1);
3418 }
3419 if (*p != 'x')
3420 goto graphic_error;
3421 p++;
3422 h = strtol(p, (char **)&p, 10);
3423 if (h <= 0)
3424 goto graphic_error;
3425 if (*p == 'x') {
3426 p++;
3427 depth = strtol(p, (char **)&p, 10);
3428 if (depth != 8 && depth != 15 && depth != 16 &&
3429 depth != 24 && depth != 32)
3430 goto graphic_error;
3431 } else if (*p == '\0') {
3432 depth = graphic_depth;
3433 } else {
3434 goto graphic_error;
3435 }
3436
3437 graphic_width = w;
3438 graphic_height = h;
3439 graphic_depth = depth;
3440 }
3441 break;
3442 case QEMU_OPTION_echr:
3443 {
3444 char *r;
3445 term_escape_char = strtol(optarg, &r, 0);
3446 if (r == optarg)
3447 printf("Bad argument to echr\n");
3448 break;
3449 }
3450 case QEMU_OPTION_monitor:
3451 default_monitor = 0;
3452 if (strncmp(optarg, "none", 4)) {
3453 monitor_parse(optarg, "readline");
3454 }
3455 break;
3456 case QEMU_OPTION_qmp:
3457 monitor_parse(optarg, "control");
3458 default_monitor = 0;
3459 break;
3460 case QEMU_OPTION_mon:
3461 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3462 if (!opts) {
3463 exit(1);
3464 }
3465 default_monitor = 0;
3466 break;
3467 case QEMU_OPTION_chardev:
3468 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3469 if (!opts) {
3470 exit(1);
3471 }
3472 break;
3473 case QEMU_OPTION_fsdev:
3474 olist = qemu_find_opts("fsdev");
3475 if (!olist) {
3476 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3477 exit(1);
3478 }
3479 opts = qemu_opts_parse(olist, optarg, 1);
3480 if (!opts) {
3481 exit(1);
3482 }
3483 break;
3484 case QEMU_OPTION_virtfs: {
3485 QemuOpts *fsdev;
3486 QemuOpts *device;
3487 const char *writeout, *sock_fd, *socket;
3488
3489 olist = qemu_find_opts("virtfs");
3490 if (!olist) {
3491 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3492 exit(1);
3493 }
3494 opts = qemu_opts_parse(olist, optarg, 1);
3495 if (!opts) {
3496 exit(1);
3497 }
3498
3499 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3500 qemu_opt_get(opts, "mount_tag") == NULL) {
3501 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3502 exit(1);
3503 }
3504 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3505 qemu_opt_get(opts, "mount_tag"),
3506 1, NULL);
3507 if (!fsdev) {
3508 fprintf(stderr, "duplicate fsdev id: %s\n",
3509 qemu_opt_get(opts, "mount_tag"));
3510 exit(1);
3511 }
3512
3513 writeout = qemu_opt_get(opts, "writeout");
3514 if (writeout) {
3515 #ifdef CONFIG_SYNC_FILE_RANGE
3516 qemu_opt_set(fsdev, "writeout", writeout);
3517 #else
3518 fprintf(stderr, "writeout=immediate not supported on "
3519 "this platform\n");
3520 exit(1);
3521 #endif
3522 }
3523 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3524 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3525 qemu_opt_set(fsdev, "security_model",
3526 qemu_opt_get(opts, "security_model"));
3527 socket = qemu_opt_get(opts, "socket");
3528 if (socket) {
3529 qemu_opt_set(fsdev, "socket", socket);
3530 }
3531 sock_fd = qemu_opt_get(opts, "sock_fd");
3532 if (sock_fd) {
3533 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3534 }
3535
3536 qemu_opt_set_bool(fsdev, "readonly",
3537 qemu_opt_get_bool(opts, "readonly", 0));
3538 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3539 &error_abort);
3540 qemu_opt_set(device, "driver", "virtio-9p-pci");
3541 qemu_opt_set(device, "fsdev",
3542 qemu_opt_get(opts, "mount_tag"));
3543 qemu_opt_set(device, "mount_tag",
3544 qemu_opt_get(opts, "mount_tag"));
3545 break;
3546 }
3547 case QEMU_OPTION_virtfs_synth: {
3548 QemuOpts *fsdev;
3549 QemuOpts *device;
3550
3551 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3552 1, NULL);
3553 if (!fsdev) {
3554 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3555 exit(1);
3556 }
3557 qemu_opt_set(fsdev, "fsdriver", "synth");
3558
3559 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3560 &error_abort);
3561 qemu_opt_set(device, "driver", "virtio-9p-pci");
3562 qemu_opt_set(device, "fsdev", "v_synth");
3563 qemu_opt_set(device, "mount_tag", "v_synth");
3564 break;
3565 }
3566 case QEMU_OPTION_serial:
3567 add_device_config(DEV_SERIAL, optarg);
3568 default_serial = 0;
3569 if (strncmp(optarg, "mon:", 4) == 0) {
3570 default_monitor = 0;
3571 }
3572 break;
3573 case QEMU_OPTION_watchdog:
3574 if (watchdog) {
3575 fprintf(stderr,
3576 "qemu: only one watchdog option may be given\n");
3577 return 1;
3578 }
3579 watchdog = optarg;
3580 break;
3581 case QEMU_OPTION_watchdog_action:
3582 if (select_watchdog_action(optarg) == -1) {
3583 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3584 exit(1);
3585 }
3586 break;
3587 case QEMU_OPTION_virtiocon:
3588 add_device_config(DEV_VIRTCON, optarg);
3589 default_virtcon = 0;
3590 if (strncmp(optarg, "mon:", 4) == 0) {
3591 default_monitor = 0;
3592 }
3593 break;
3594 case QEMU_OPTION_parallel:
3595 add_device_config(DEV_PARALLEL, optarg);
3596 default_parallel = 0;
3597 if (strncmp(optarg, "mon:", 4) == 0) {
3598 default_monitor = 0;
3599 }
3600 break;
3601 case QEMU_OPTION_debugcon:
3602 add_device_config(DEV_DEBUGCON, optarg);
3603 break;
3604 case QEMU_OPTION_loadvm:
3605 loadvm = optarg;
3606 break;
3607 case QEMU_OPTION_full_screen:
3608 full_screen = 1;
3609 break;
3610 case QEMU_OPTION_no_frame:
3611 no_frame = 1;
3612 break;
3613 case QEMU_OPTION_alt_grab:
3614 alt_grab = 1;
3615 break;
3616 case QEMU_OPTION_ctrl_grab:
3617 ctrl_grab = 1;
3618 break;
3619 case QEMU_OPTION_no_quit:
3620 no_quit = 1;
3621 break;
3622 case QEMU_OPTION_sdl:
3623 #ifdef CONFIG_SDL
3624 display_type = DT_SDL;
3625 break;
3626 #else
3627 fprintf(stderr, "SDL support is disabled\n");
3628 exit(1);
3629 #endif
3630 case QEMU_OPTION_pidfile:
3631 pid_file = optarg;
3632 break;
3633 case QEMU_OPTION_win2k_hack:
3634 win2k_install_hack = 1;
3635 break;
3636 case QEMU_OPTION_rtc_td_hack: {
3637 static GlobalProperty slew_lost_ticks[] = {
3638 {
3639 .driver = "mc146818rtc",
3640 .property = "lost_tick_policy",
3641 .value = "slew",
3642 },
3643 { /* end of list */ }
3644 };
3645
3646 qdev_prop_register_global_list(slew_lost_ticks);
3647 break;
3648 }
3649 case QEMU_OPTION_acpitable:
3650 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3651 if (!opts) {
3652 exit(1);
3653 }
3654 do_acpitable_option(opts);
3655 break;
3656 case QEMU_OPTION_smbios:
3657 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3658 if (!opts) {
3659 exit(1);
3660 }
3661 do_smbios_option(opts);
3662 break;
3663 case QEMU_OPTION_enable_kvm:
3664 olist = qemu_find_opts("machine");
3665 qemu_opts_parse(olist, "accel=kvm", 0);
3666 break;
3667 case QEMU_OPTION_machine:
3668 olist = qemu_find_opts("machine");
3669 opts = qemu_opts_parse(olist, optarg, 1);
3670 if (!opts) {
3671 exit(1);
3672 }
3673 optarg = qemu_opt_get(opts, "type");
3674 if (optarg) {
3675 machine_class = machine_parse(optarg);
3676 }
3677 break;
3678 case QEMU_OPTION_no_kvm:
3679 olist = qemu_find_opts("machine");
3680 qemu_opts_parse(olist, "accel=tcg", 0);
3681 break;
3682 case QEMU_OPTION_no_kvm_pit: {
3683 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3684 "separately.\n");
3685 break;
3686 }
3687 case QEMU_OPTION_no_kvm_pit_reinjection: {
3688 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3689 {
3690 .driver = "kvm-pit",
3691 .property = "lost_tick_policy",
3692 .value = "discard",
3693 },
3694 { /* end of list */ }
3695 };
3696
3697 fprintf(stderr, "Warning: option deprecated, use "
3698 "lost_tick_policy property of kvm-pit instead.\n");
3699 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3700 break;
3701 }
3702 case QEMU_OPTION_usb:
3703 olist = qemu_find_opts("machine");
3704 qemu_opts_parse(olist, "usb=on", 0);
3705 break;
3706 case QEMU_OPTION_usbdevice:
3707 olist = qemu_find_opts("machine");
3708 qemu_opts_parse(olist, "usb=on", 0);
3709 add_device_config(DEV_USB, optarg);
3710 break;
3711 case QEMU_OPTION_device:
3712 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3713 exit(1);
3714 }
3715 break;
3716 case QEMU_OPTION_smp:
3717 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3718 exit(1);
3719 }
3720 break;
3721 case QEMU_OPTION_vnc:
3722 #ifdef CONFIG_VNC
3723 display_remote++;
3724 vnc_display = optarg;
3725 #else
3726 fprintf(stderr, "VNC support is disabled\n");
3727 exit(1);
3728 #endif
3729 break;
3730 case QEMU_OPTION_no_acpi:
3731 acpi_enabled = 0;
3732 break;
3733 case QEMU_OPTION_no_hpet:
3734 no_hpet = 1;
3735 break;
3736 case QEMU_OPTION_balloon:
3737 if (balloon_parse(optarg) < 0) {
3738 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3739 exit(1);
3740 }
3741 break;
3742 case QEMU_OPTION_no_reboot:
3743 no_reboot = 1;
3744 break;
3745 case QEMU_OPTION_no_shutdown:
3746 no_shutdown = 1;
3747 break;
3748 case QEMU_OPTION_show_cursor:
3749 cursor_hide = 0;
3750 break;
3751 case QEMU_OPTION_uuid:
3752 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3753 fprintf(stderr, "Fail to parse UUID string."
3754 " Wrong format.\n");
3755 exit(1);
3756 }
3757 qemu_uuid_set = true;
3758 break;
3759 case QEMU_OPTION_option_rom:
3760 if (nb_option_roms >= MAX_OPTION_ROMS) {
3761 fprintf(stderr, "Too many option ROMs\n");
3762 exit(1);
3763 }
3764 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3765 if (!opts) {
3766 exit(1);
3767 }
3768 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3769 option_rom[nb_option_roms].bootindex =
3770 qemu_opt_get_number(opts, "bootindex", -1);
3771 if (!option_rom[nb_option_roms].name) {
3772 fprintf(stderr, "Option ROM file is not specified\n");
3773 exit(1);
3774 }
3775 nb_option_roms++;
3776 break;
3777 case QEMU_OPTION_semihosting:
3778 semihosting_enabled = 1;
3779 break;
3780 case QEMU_OPTION_tdf:
3781 fprintf(stderr, "Warning: user space PIT time drift fix "
3782 "is no longer supported.\n");
3783 break;
3784 case QEMU_OPTION_name:
3785 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3786 if (!opts) {
3787 exit(1);
3788 }
3789 break;
3790 case QEMU_OPTION_prom_env:
3791 if (nb_prom_envs >= MAX_PROM_ENVS) {
3792 fprintf(stderr, "Too many prom variables\n");
3793 exit(1);
3794 }
3795 prom_envs[nb_prom_envs] = optarg;
3796 nb_prom_envs++;
3797 break;
3798 case QEMU_OPTION_old_param:
3799 old_param = 1;
3800 break;
3801 case QEMU_OPTION_clock:
3802 /* Clock options no longer exist. Keep this option for
3803 * backward compatibility.
3804 */
3805 break;
3806 case QEMU_OPTION_startdate:
3807 configure_rtc_date_offset(optarg, 1);
3808 break;
3809 case QEMU_OPTION_rtc:
3810 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3811 if (!opts) {
3812 exit(1);
3813 }
3814 configure_rtc(opts);
3815 break;
3816 case QEMU_OPTION_tb_size:
3817 tcg_tb_size = strtol(optarg, NULL, 0);
3818 if (tcg_tb_size < 0) {
3819 tcg_tb_size = 0;
3820 }
3821 break;
3822 case QEMU_OPTION_icount:
3823 icount_option = optarg;
3824 break;
3825 case QEMU_OPTION_incoming:
3826 incoming = optarg;
3827 runstate_set(RUN_STATE_INMIGRATE);
3828 break;
3829 case QEMU_OPTION_nodefaults:
3830 has_defaults = 0;
3831 break;
3832 case QEMU_OPTION_xen_domid:
3833 if (!(xen_available())) {
3834 printf("Option %s not supported for this target\n", popt->name);
3835 exit(1);
3836 }
3837 xen_domid = atoi(optarg);
3838 break;
3839 case QEMU_OPTION_xen_create:
3840 if (!(xen_available())) {
3841 printf("Option %s not supported for this target\n", popt->name);
3842 exit(1);
3843 }
3844 xen_mode = XEN_CREATE;
3845 break;
3846 case QEMU_OPTION_xen_attach:
3847 if (!(xen_available())) {
3848 printf("Option %s not supported for this target\n", popt->name);
3849 exit(1);
3850 }
3851 xen_mode = XEN_ATTACH;
3852 break;
3853 case QEMU_OPTION_trace:
3854 {
3855 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3856 if (!opts) {
3857 exit(1);
3858 }
3859 trace_events = qemu_opt_get(opts, "events");
3860 trace_file = qemu_opt_get(opts, "file");
3861 break;
3862 }
3863 case QEMU_OPTION_readconfig:
3864 {
3865 int ret = qemu_read_config_file(optarg);
3866 if (ret < 0) {
3867 fprintf(stderr, "read config %s: %s\n", optarg,
3868 strerror(-ret));
3869 exit(1);
3870 }
3871 break;
3872 }
3873 case QEMU_OPTION_spice:
3874 olist = qemu_find_opts("spice");
3875 if (!olist) {
3876 fprintf(stderr, "spice is not supported by this qemu build.\n");
3877 exit(1);
3878 }
3879 opts = qemu_opts_parse(olist, optarg, 0);
3880 if (!opts) {
3881 exit(1);
3882 }
3883 display_remote++;
3884 break;
3885 case QEMU_OPTION_writeconfig:
3886 {
3887 FILE *fp;
3888 if (strcmp(optarg, "-") == 0) {
3889 fp = stdout;
3890 } else {
3891 fp = fopen(optarg, "w");
3892 if (fp == NULL) {
3893 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3894 exit(1);
3895 }
3896 }
3897 qemu_config_write(fp);
3898 if (fp != stdout) {
3899 fclose(fp);
3900 }
3901 break;
3902 }
3903 case QEMU_OPTION_qtest:
3904 qtest_chrdev = optarg;
3905 break;
3906 case QEMU_OPTION_qtest_log:
3907 qtest_log = optarg;
3908 break;
3909 case QEMU_OPTION_sandbox:
3910 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3911 if (!opts) {
3912 exit(1);
3913 }
3914 break;
3915 case QEMU_OPTION_add_fd:
3916 #ifndef _WIN32
3917 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3918 if (!opts) {
3919 exit(1);
3920 }
3921 #else
3922 error_report("File descriptor passing is disabled on this "
3923 "platform");
3924 exit(1);
3925 #endif
3926 break;
3927 case QEMU_OPTION_object:
3928 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3929 if (!opts) {
3930 exit(1);
3931 }
3932 break;
3933 case QEMU_OPTION_realtime:
3934 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3935 if (!opts) {
3936 exit(1);
3937 }
3938 configure_realtime(opts);
3939 break;
3940 case QEMU_OPTION_msg:
3941 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3942 if (!opts) {
3943 exit(1);
3944 }
3945 configure_msg(opts);
3946 break;
3947 default:
3948 os_parse_cmd_args(popt->index, optarg);
3949 }
3950 }
3951 }
3952 loc_set_none();
3953
3954 os_daemonize();
3955
3956 if (qemu_init_main_loop()) {
3957 fprintf(stderr, "qemu_init_main_loop failed\n");
3958 exit(1);
3959 }
3960
3961 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3962 exit(1);
3963 }
3964
3965 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3966 exit(1);
3967 }
3968
3969 #ifndef _WIN32
3970 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3971 exit(1);
3972 }
3973
3974 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3975 exit(1);
3976 }
3977 #endif
3978
3979 if (machine_class == NULL) {
3980 fprintf(stderr, "No machine specified, and there is no default.\n"
3981 "Use -machine help to list supported machines!\n");
3982 exit(1);
3983 }
3984
3985 cpu_exec_init_all();
3986
3987 current_machine = MACHINE(object_new(object_class_get_name(
3988 OBJECT_CLASS(machine_class))));
3989 object_property_add_child(object_get_root(), "machine",
3990 OBJECT(current_machine), &error_abort);
3991
3992 if (machine_class->hw_version) {
3993 qemu_set_version(machine_class->hw_version);
3994 }
3995
3996 if (qemu_opts_foreach(qemu_find_opts("object"),
3997 object_create, NULL, 0) != 0) {
3998 exit(1);
3999 }
4000
4001 /* Init CPU def lists, based on config
4002 * - Must be called after all the qemu_read_config_file() calls
4003 * - Must be called before list_cpus()
4004 * - Must be called before machine->init()
4005 */
4006 cpudef_init();
4007
4008 if (cpu_model && is_help_option(cpu_model)) {
4009 list_cpus(stdout, &fprintf, cpu_model);
4010 exit(0);
4011 }
4012
4013 /* Open the logfile at this point, if necessary. We can't open the logfile
4014 * when encountering either of the logging options (-d or -D) because the
4015 * other one may be encountered later on the command line, changing the
4016 * location or level of logging.
4017 */
4018 if (log_mask) {
4019 int mask;
4020 if (log_file) {
4021 qemu_set_log_filename(log_file);
4022 }
4023
4024 mask = qemu_str_to_log_mask(log_mask);
4025 if (!mask) {
4026 qemu_print_log_usage(stdout);
4027 exit(1);
4028 }
4029 qemu_set_log(mask);
4030 }
4031
4032 if (!is_daemonized()) {
4033 if (!trace_init_backends(trace_events, trace_file)) {
4034 exit(1);
4035 }
4036 }
4037
4038 /* If no data_dir is specified then try to find it relative to the
4039 executable path. */
4040 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4041 data_dir[data_dir_idx] = os_find_datadir();
4042 if (data_dir[data_dir_idx] != NULL) {
4043 data_dir_idx++;
4044 }
4045 }
4046 /* If all else fails use the install path specified when building. */
4047 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4048 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4049 }
4050
4051 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4052
4053 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4054 if (smp_cpus > machine_class->max_cpus) {
4055 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4056 "supported by machine `%s' (%d)\n", smp_cpus,
4057 machine_class->name, machine_class->max_cpus);
4058 exit(1);
4059 }
4060
4061 /*
4062 * Get the default machine options from the machine if it is not already
4063 * specified either by the configuration file or by the command line.
4064 */
4065 if (machine_class->default_machine_opts) {
4066 qemu_opts_set_defaults(qemu_find_opts("machine"),
4067 machine_class->default_machine_opts, 0);
4068 }
4069
4070 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4071 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4072
4073 if (!vga_model && !default_vga) {
4074 vga_interface_type = VGA_DEVICE;
4075 }
4076 if (!has_defaults || machine_class->no_serial) {
4077 default_serial = 0;
4078 }
4079 if (!has_defaults || machine_class->no_parallel) {
4080 default_parallel = 0;
4081 }
4082 if (!has_defaults || !machine_class->use_virtcon) {
4083 default_virtcon = 0;
4084 }
4085 if (!has_defaults || !machine_class->use_sclp) {
4086 default_sclp = 0;
4087 }
4088 if (!has_defaults || machine_class->no_floppy) {
4089 default_floppy = 0;
4090 }
4091 if (!has_defaults || machine_class->no_cdrom) {
4092 default_cdrom = 0;
4093 }
4094 if (!has_defaults || machine_class->no_sdcard) {
4095 default_sdcard = 0;
4096 }
4097 if (!has_defaults) {
4098 default_monitor = 0;
4099 default_net = 0;
4100 default_vga = 0;
4101 }
4102
4103 if (is_daemonized()) {
4104 /* According to documentation and historically, -nographic redirects
4105 * serial port, parallel port and monitor to stdio, which does not work
4106 * with -daemonize. We can redirect these to null instead, but since
4107 * -nographic is legacy, let's just error out.
4108 * We disallow -nographic only if all other ports are not redirected
4109 * explicitly, to not break existing legacy setups which uses
4110 * -nographic _and_ redirects all ports explicitly - this is valid
4111 * usage, -nographic is just a no-op in this case.
4112 */
4113 if (display_type == DT_NOGRAPHIC
4114 && (default_parallel || default_serial
4115 || default_monitor || default_virtcon)) {
4116 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4117 exit(1);
4118 }
4119 #ifdef CONFIG_CURSES
4120 if (display_type == DT_CURSES) {
4121 fprintf(stderr, "curses display can not be used with -daemonize\n");
4122 exit(1);
4123 }
4124 #endif
4125 }
4126
4127 if (display_type == DT_NOGRAPHIC) {
4128 if (default_parallel)
4129 add_device_config(DEV_PARALLEL, "null");
4130 if (default_serial && default_monitor) {
4131 add_device_config(DEV_SERIAL, "mon:stdio");
4132 } else if (default_virtcon && default_monitor) {
4133 add_device_config(DEV_VIRTCON, "mon:stdio");
4134 } else if (default_sclp && default_monitor) {
4135 add_device_config(DEV_SCLP, "mon:stdio");
4136 } else {
4137 if (default_serial)
4138 add_device_config(DEV_SERIAL, "stdio");
4139 if (default_virtcon)
4140 add_device_config(DEV_VIRTCON, "stdio");
4141 if (default_sclp) {
4142 add_device_config(DEV_SCLP, "stdio");
4143 }
4144 if (default_monitor)
4145 monitor_parse("stdio", "readline");
4146 }
4147 } else {
4148 if (default_serial)
4149 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4150 if (default_parallel)
4151 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4152 if (default_monitor)
4153 monitor_parse("vc:80Cx24C", "readline");
4154 if (default_virtcon)
4155 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4156 if (default_sclp) {
4157 add_device_config(DEV_SCLP, "vc:80Cx24C");
4158 }
4159 }
4160
4161 if (display_type == DT_DEFAULT && !display_remote) {
4162 #if defined(CONFIG_GTK)
4163 display_type = DT_GTK;
4164 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4165 display_type = DT_SDL;
4166 #elif defined(CONFIG_VNC)
4167 vnc_display = "localhost:0,to=99";
4168 show_vnc_port = 1;
4169 #else
4170 display_type = DT_NONE;
4171 #endif
4172 }
4173
4174 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4175 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4176 "for SDL, ignoring option\n");
4177 }
4178 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4179 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4180 "ignoring option\n");
4181 }
4182
4183 #if defined(CONFIG_GTK)
4184 if (display_type == DT_GTK) {
4185 early_gtk_display_init();
4186 }
4187 #endif
4188
4189 socket_init();
4190
4191 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4192 exit(1);
4193 #ifdef CONFIG_VIRTFS
4194 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4195 exit(1);
4196 }
4197 #endif
4198
4199 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4200 os_pidfile_error();
4201 exit(1);
4202 }
4203
4204 /* store value for the future use */
4205 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4206
4207 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4208 != 0) {
4209 exit(0);
4210 }
4211
4212 machine_opts = qemu_get_machine_opts();
4213 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4214 1) < 0) {
4215 object_unref(OBJECT(current_machine));
4216 exit(1);
4217 }
4218
4219 configure_accelerator(machine_class);
4220
4221 if (qtest_chrdev) {
4222 Error *local_err = NULL;
4223 qtest_init(qtest_chrdev, qtest_log, &local_err);
4224 if (local_err) {
4225 error_report("%s", error_get_pretty(local_err));
4226 error_free(local_err);
4227 exit(1);
4228 }
4229 }
4230
4231 machine_opts = qemu_get_machine_opts();
4232 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4233 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4234 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4235 bios_name = qemu_opt_get(machine_opts, "firmware");
4236
4237 boot_order = machine_class->default_boot_order;
4238 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4239 if (opts) {
4240 char *normal_boot_order;
4241 const char *order, *once;
4242
4243 order = qemu_opt_get(opts, "order");
4244 if (order) {
4245 validate_bootdevices(order);
4246 boot_order = order;
4247 }
4248
4249 once = qemu_opt_get(opts, "once");
4250 if (once) {
4251 validate_bootdevices(once);
4252 normal_boot_order = g_strdup(boot_order);
4253 boot_order = once;
4254 qemu_register_reset(restore_boot_order, normal_boot_order);
4255 }
4256
4257 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4258 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4259 }
4260
4261 if (!kernel_cmdline) {
4262 kernel_cmdline = "";
4263 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4264 }
4265
4266 linux_boot = (kernel_filename != NULL);
4267
4268 if (!linux_boot && *kernel_cmdline != '\0') {
4269 fprintf(stderr, "-append only allowed with -kernel option\n");
4270 exit(1);
4271 }
4272
4273 if (!linux_boot && initrd_filename != NULL) {
4274 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4275 exit(1);
4276 }
4277
4278 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4279 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4280 exit(1);
4281 }
4282
4283 os_set_line_buffering();
4284
4285 qemu_init_cpu_loop();
4286 qemu_mutex_lock_iothread();
4287
4288 #ifdef CONFIG_SPICE
4289 /* spice needs the timers to be initialized by this point */
4290 qemu_spice_init();
4291 #endif
4292
4293 if (icount_option && (kvm_enabled() || xen_enabled())) {
4294 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4295 exit(1);
4296 }
4297 configure_icount(icount_option);
4298
4299 /* clean up network at qemu process termination */
4300 atexit(&net_cleanup);
4301
4302 if (net_init_clients() < 0) {
4303 exit(1);
4304 }
4305
4306 #ifdef CONFIG_TPM
4307 if (tpm_init() < 0) {
4308 exit(1);
4309 }
4310 #endif
4311
4312 /* init the bluetooth world */
4313 if (foreach_device_config(DEV_BT, bt_parse))
4314 exit(1);
4315
4316 if (!xen_enabled()) {
4317 /* On 32-bit hosts, QEMU is limited by virtual address space */
4318 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4319 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4320 exit(1);
4321 }
4322 }
4323
4324 blk_mig_init();
4325 ram_mig_init();
4326
4327 /* open the virtual block devices */
4328 if (snapshot)
4329 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4330 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4331 &machine_class->block_default_type, 1) != 0) {
4332 exit(1);
4333 }
4334
4335 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4336 CDROM_OPTS);
4337 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4338 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4339
4340 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4341 NULL, 1) != 0) {
4342 exit(1);
4343 }
4344
4345 set_numa_nodes();
4346
4347 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4348 exit(1);
4349 }
4350
4351 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4352 exit(1);
4353 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4354 exit(1);
4355 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4356 exit(1);
4357 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4358 exit(1);
4359 }
4360 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4361 exit(1);
4362
4363 /* If no default VGA is requested, the default is "none". */
4364 if (default_vga) {
4365 if (cirrus_vga_available()) {
4366 vga_model = "cirrus";
4367 } else if (vga_available()) {
4368 vga_model = "std";
4369 }
4370 }
4371 if (vga_model) {
4372 select_vgahw(vga_model);
4373 }
4374
4375 if (watchdog) {
4376 i = select_watchdog(watchdog);
4377 if (i > 0)
4378 exit (i == 1 ? 1 : 0);
4379 }
4380
4381 if (machine_class->compat_props) {
4382 qdev_prop_register_global_list(machine_class->compat_props);
4383 }
4384 qemu_add_globals();
4385
4386 qdev_machine_init();
4387
4388 current_machine->ram_size = ram_size;
4389 current_machine->maxram_size = maxram_size;
4390 current_machine->ram_slots = ram_slots;
4391 current_machine->boot_order = boot_order;
4392 current_machine->cpu_model = cpu_model;
4393
4394 machine_class->init(current_machine);
4395
4396 audio_init();
4397
4398 cpu_synchronize_all_post_init();
4399
4400 set_numa_modes();
4401
4402 /* init USB devices */
4403 if (usb_enabled(false)) {
4404 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4405 exit(1);
4406 }
4407
4408 /* init generic devices */
4409 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4410 exit(1);
4411
4412 net_check_clients();
4413
4414 ds = init_displaystate();
4415
4416 /* init local displays */
4417 switch (display_type) {
4418 case DT_NOGRAPHIC:
4419 (void)ds; /* avoid warning if no display is configured */
4420 break;
4421 #if defined(CONFIG_CURSES)
4422 case DT_CURSES:
4423 curses_display_init(ds, full_screen);
4424 break;
4425 #endif
4426 #if defined(CONFIG_SDL)
4427 case DT_SDL:
4428 sdl_display_init(ds, full_screen, no_frame);
4429 break;
4430 #elif defined(CONFIG_COCOA)
4431 case DT_SDL:
4432 cocoa_display_init(ds, full_screen);
4433 break;
4434 #endif
4435 #if defined(CONFIG_GTK)
4436 case DT_GTK:
4437 gtk_display_init(ds, full_screen, grab_on_hover);
4438 break;
4439 #endif
4440 default:
4441 break;
4442 }
4443
4444 /* must be after terminal init, SDL library changes signal handlers */
4445 os_setup_signal_handling();
4446
4447 #ifdef CONFIG_VNC
4448 /* init remote displays */
4449 if (vnc_display) {
4450 Error *local_err = NULL;
4451 vnc_display_init(ds);
4452 vnc_display_open(ds, vnc_display, &local_err);
4453 if (local_err != NULL) {
4454 error_report("Failed to start VNC server on `%s': %s",
4455 vnc_display, error_get_pretty(local_err));
4456 error_free(local_err);
4457 exit(1);
4458 }
4459
4460 if (show_vnc_port) {
4461 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4462 }
4463 }
4464 #endif
4465 #ifdef CONFIG_SPICE
4466 if (using_spice) {
4467 qemu_spice_display_init();
4468 }
4469 #endif
4470
4471 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4472 exit(1);
4473 }
4474
4475 qdev_machine_creation_done();
4476
4477 if (rom_load_all() != 0) {
4478 fprintf(stderr, "rom loading failed\n");
4479 exit(1);
4480 }
4481
4482 /* TODO: once all bus devices are qdevified, this should be done
4483 * when bus is created by qdev.c */
4484 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4485 qemu_run_machine_init_done_notifiers();
4486
4487 /* Done notifiers can load ROMs */
4488 rom_load_done();
4489
4490 qemu_system_reset(VMRESET_SILENT);
4491 if (loadvm) {
4492 if (load_vmstate(loadvm) < 0) {
4493 autostart = 0;
4494 }
4495 }
4496
4497 qdev_prop_check_global();
4498
4499 if (incoming) {
4500 Error *local_err = NULL;
4501 qemu_start_incoming_migration(incoming, &local_err);
4502 if (local_err) {
4503 error_report("-incoming %s: %s", incoming,
4504 error_get_pretty(local_err));
4505 error_free(local_err);
4506 exit(1);
4507 }
4508 } else if (autostart) {
4509 vm_start();
4510 }
4511
4512 os_setup_post();
4513
4514 if (is_daemonized()) {
4515 if (!trace_init_backends(trace_events, trace_file)) {
4516 exit(1);
4517 }
4518 }
4519
4520 main_loop();
4521 bdrv_close_all();
4522 pause_all_vcpus();
4523 res_free();
4524 #ifdef CONFIG_TPM
4525 tpm_cleanup();
4526 #endif
4527
4528 return 0;
4529 }
QEmu