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linux-aio: Fix laio resource leak
[qemu/kevin.git] / vl.c
blob6e084c2da26aa95c0f6876a0629b3c3dd62fede9
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 "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121
122 #define DEFAULT_RAM_SIZE 128
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 int nb_nics;
138 NICInfo nd_table[MAX_NICS];
139 int autostart;
140 static int rtc_utc = 1;
141 static int rtc_date_offset = -1; /* -1 means no change */
142 QEMUClockType rtc_clock;
143 int vga_interface_type = VGA_NONE;
144 static int full_screen = 0;
145 static int no_frame = 0;
146 int no_quit = 0;
147 #ifdef CONFIG_GTK
148 static bool grab_on_hover;
149 #endif
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 #ifdef CONFIG_VNC
161 const char *vnc_display;
162 #endif
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int semihosting_enabled = 0;
174 int old_param = 0;
175 const char *qemu_name;
176 int alt_grab = 0;
177 int ctrl_grab = 0;
178 unsigned int nb_prom_envs = 0;
179 const char *prom_envs[MAX_PROM_ENVS];
180 int boot_menu;
181 static bool boot_strict;
182 uint8_t *boot_splash_filedata;
183 size_t boot_splash_filedata_size;
184 uint8_t qemu_extra_params_fw[2];
185
186 typedef struct FWBootEntry FWBootEntry;
187
188 struct FWBootEntry {
189 QTAILQ_ENTRY(FWBootEntry) link;
190 int32_t bootindex;
191 DeviceState *dev;
192 char *suffix;
193 };
194
195 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
196 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
197
198 int nb_numa_nodes;
199 int max_numa_nodeid;
200 NodeInfo numa_info[MAX_NODES];
201
202 uint8_t qemu_uuid[16];
203 bool qemu_uuid_set;
204
205 static QEMUBootSetHandler *boot_set_handler;
206 static void *boot_set_opaque;
207
208 static NotifierList exit_notifiers =
209 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
210
211 static NotifierList machine_init_done_notifiers =
212 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
213
214 static bool tcg_allowed = true;
215 bool xen_allowed;
216 uint32_t xen_domid;
217 enum xen_mode xen_mode = XEN_EMULATE;
218 static int tcg_tb_size;
219
220 static int has_defaults = 1;
221 static int default_serial = 1;
222 static int default_parallel = 1;
223 static int default_virtcon = 1;
224 static int default_sclp = 1;
225 static int default_monitor = 1;
226 static int default_floppy = 1;
227 static int default_cdrom = 1;
228 static int default_sdcard = 1;
229 static int default_vga = 1;
230
231 static struct {
232 const char *driver;
233 int *flag;
234 } default_list[] = {
235 { .driver = "isa-serial", .flag = &default_serial },
236 { .driver = "isa-parallel", .flag = &default_parallel },
237 { .driver = "isa-fdc", .flag = &default_floppy },
238 { .driver = "ide-cd", .flag = &default_cdrom },
239 { .driver = "ide-hd", .flag = &default_cdrom },
240 { .driver = "ide-drive", .flag = &default_cdrom },
241 { .driver = "scsi-cd", .flag = &default_cdrom },
242 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
243 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
244 { .driver = "virtio-serial", .flag = &default_virtcon },
245 { .driver = "VGA", .flag = &default_vga },
246 { .driver = "isa-vga", .flag = &default_vga },
247 { .driver = "cirrus-vga", .flag = &default_vga },
248 { .driver = "isa-cirrus-vga", .flag = &default_vga },
249 { .driver = "vmware-svga", .flag = &default_vga },
250 { .driver = "qxl-vga", .flag = &default_vga },
251 };
252
253 static QemuOptsList qemu_rtc_opts = {
254 .name = "rtc",
255 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
256 .desc = {
257 {
258 .name = "base",
259 .type = QEMU_OPT_STRING,
260 },{
261 .name = "clock",
262 .type = QEMU_OPT_STRING,
263 },{
264 .name = "driftfix",
265 .type = QEMU_OPT_STRING,
266 },
267 { /* end of list */ }
268 },
269 };
270
271 static QemuOptsList qemu_sandbox_opts = {
272 .name = "sandbox",
273 .implied_opt_name = "enable",
274 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
275 .desc = {
276 {
277 .name = "enable",
278 .type = QEMU_OPT_BOOL,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_trace_opts = {
285 .name = "trace",
286 .implied_opt_name = "trace",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
288 .desc = {
289 {
290 .name = "events",
291 .type = QEMU_OPT_STRING,
292 },{
293 .name = "file",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298 };
299
300 static QemuOptsList qemu_option_rom_opts = {
301 .name = "option-rom",
302 .implied_opt_name = "romfile",
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
304 .desc = {
305 {
306 .name = "bootindex",
307 .type = QEMU_OPT_NUMBER,
308 }, {
309 .name = "romfile",
310 .type = QEMU_OPT_STRING,
311 },
312 { /* end of list */ }
313 },
314 };
315
316 static QemuOptsList qemu_machine_opts = {
317 .name = "machine",
318 .implied_opt_name = "type",
319 .merge_lists = true,
320 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
321 .desc = {
322 {
323 .name = "type",
324 .type = QEMU_OPT_STRING,
325 .help = "emulated machine"
326 }, {
327 .name = "accel",
328 .type = QEMU_OPT_STRING,
329 .help = "accelerator list",
330 }, {
331 .name = "kernel_irqchip",
332 .type = QEMU_OPT_BOOL,
333 .help = "use KVM in-kernel irqchip",
334 }, {
335 .name = "kvm_shadow_mem",
336 .type = QEMU_OPT_SIZE,
337 .help = "KVM shadow MMU size",
338 }, {
339 .name = "kernel",
340 .type = QEMU_OPT_STRING,
341 .help = "Linux kernel image file",
342 }, {
343 .name = "initrd",
344 .type = QEMU_OPT_STRING,
345 .help = "Linux initial ramdisk file",
346 }, {
347 .name = "append",
348 .type = QEMU_OPT_STRING,
349 .help = "Linux kernel command line",
350 }, {
351 .name = "dtb",
352 .type = QEMU_OPT_STRING,
353 .help = "Linux kernel device tree file",
354 }, {
355 .name = "dumpdtb",
356 .type = QEMU_OPT_STRING,
357 .help = "Dump current dtb to a file and quit",
358 }, {
359 .name = "phandle_start",
360 .type = QEMU_OPT_NUMBER,
361 .help = "The first phandle ID we may generate dynamically",
362 }, {
363 .name = "dt_compatible",
364 .type = QEMU_OPT_STRING,
365 .help = "Overrides the \"compatible\" property of the dt root node",
366 }, {
367 .name = "dump-guest-core",
368 .type = QEMU_OPT_BOOL,
369 .help = "Include guest memory in a core dump",
370 }, {
371 .name = "mem-merge",
372 .type = QEMU_OPT_BOOL,
373 .help = "enable/disable memory merge support",
374 },{
375 .name = "usb",
376 .type = QEMU_OPT_BOOL,
377 .help = "Set on/off to enable/disable usb",
378 },{
379 .name = "firmware",
380 .type = QEMU_OPT_STRING,
381 .help = "firmware image",
382 },{
383 .name = "kvm-type",
384 .type = QEMU_OPT_STRING,
385 .help = "Specifies the KVM virtualization mode (HV, PR)",
386 },{
387 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
388 .type = QEMU_OPT_SIZE,
389 .help = "maximum ram below the 4G boundary (32bit boundary)",
390 },
391 { /* End of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_boot_opts = {
396 .name = "boot-opts",
397 .implied_opt_name = "order",
398 .merge_lists = true,
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
400 .desc = {
401 {
402 .name = "order",
403 .type = QEMU_OPT_STRING,
404 }, {
405 .name = "once",
406 .type = QEMU_OPT_STRING,
407 }, {
408 .name = "menu",
409 .type = QEMU_OPT_BOOL,
410 }, {
411 .name = "splash",
412 .type = QEMU_OPT_STRING,
413 }, {
414 .name = "splash-time",
415 .type = QEMU_OPT_STRING,
416 }, {
417 .name = "reboot-timeout",
418 .type = QEMU_OPT_STRING,
419 }, {
420 .name = "strict",
421 .type = QEMU_OPT_BOOL,
422 },
423 { /*End of list */ }
424 },
425 };
426
427 static QemuOptsList qemu_add_fd_opts = {
428 .name = "add-fd",
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
430 .desc = {
431 {
432 .name = "fd",
433 .type = QEMU_OPT_NUMBER,
434 .help = "file descriptor of which a duplicate is added to fd set",
435 },{
436 .name = "set",
437 .type = QEMU_OPT_NUMBER,
438 .help = "ID of the fd set to add fd to",
439 },{
440 .name = "opaque",
441 .type = QEMU_OPT_STRING,
442 .help = "free-form string used to describe fd",
443 },
444 { /* end of list */ }
445 },
446 };
447
448 static QemuOptsList qemu_object_opts = {
449 .name = "object",
450 .implied_opt_name = "qom-type",
451 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
452 .desc = {
453 { }
454 },
455 };
456
457 static QemuOptsList qemu_tpmdev_opts = {
458 .name = "tpmdev",
459 .implied_opt_name = "type",
460 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
461 .desc = {
462 /* options are defined in the TPM backends */
463 { /* end of list */ }
464 },
465 };
466
467 static QemuOptsList qemu_realtime_opts = {
468 .name = "realtime",
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
470 .desc = {
471 {
472 .name = "mlock",
473 .type = QEMU_OPT_BOOL,
474 },
475 { /* end of list */ }
476 },
477 };
478
479 static QemuOptsList qemu_msg_opts = {
480 .name = "msg",
481 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
482 .desc = {
483 {
484 .name = "timestamp",
485 .type = QEMU_OPT_BOOL,
486 },
487 { /* end of list */ }
488 },
489 };
490
491 static QemuOptsList qemu_name_opts = {
492 .name = "name",
493 .implied_opt_name = "guest",
494 .merge_lists = true,
495 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
496 .desc = {
497 {
498 .name = "guest",
499 .type = QEMU_OPT_STRING,
500 .help = "Sets the name of the guest.\n"
501 "This name will be displayed in the SDL window caption.\n"
502 "The name will also be used for the VNC server",
503 }, {
504 .name = "process",
505 .type = QEMU_OPT_STRING,
506 .help = "Sets the name of the QEMU process, as shown in top etc",
507 }, {
508 .name = "debug-threads",
509 .type = QEMU_OPT_BOOL,
510 .help = "When enabled, name the individual threads; defaults off.\n"
511 "NOTE: The thread names are for debugging and not a\n"
512 "stable API.",
513 },
514 { /* End of list */ }
515 },
516 };
517
518 static QemuOptsList qemu_mem_opts = {
519 .name = "memory",
520 .implied_opt_name = "size",
521 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
522 .merge_lists = true,
523 .desc = {
524 {
525 .name = "size",
526 .type = QEMU_OPT_SIZE,
527 },
528 {
529 .name = "slots",
530 .type = QEMU_OPT_NUMBER,
531 },
532 {
533 .name = "maxmem",
534 .type = QEMU_OPT_SIZE,
535 },
536 { /* end of list */ }
537 },
538 };
539
540 /**
541 * Get machine options
542 *
543 * Returns: machine options (never null).
544 */
545 QemuOpts *qemu_get_machine_opts(void)
546 {
547 return qemu_find_opts_singleton("machine");
548 }
549
550 const char *qemu_get_vm_name(void)
551 {
552 return qemu_name;
553 }
554
555 static void res_free(void)
556 {
557 if (boot_splash_filedata != NULL) {
558 g_free(boot_splash_filedata);
559 boot_splash_filedata = NULL;
560 }
561 }
562
563 static int default_driver_check(QemuOpts *opts, void *opaque)
564 {
565 const char *driver = qemu_opt_get(opts, "driver");
566 int i;
567
568 if (!driver)
569 return 0;
570 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
571 if (strcmp(default_list[i].driver, driver) != 0)
572 continue;
573 *(default_list[i].flag) = 0;
574 }
575 return 0;
576 }
577
578 /***********************************************************/
579 /* QEMU state */
580
581 static RunState current_run_state = RUN_STATE_PRELAUNCH;
582
583 /* We use RUN_STATE_MAX but any invalid value will do */
584 static RunState vmstop_requested = RUN_STATE_MAX;
585 static QemuMutex vmstop_lock;
586
587 typedef struct {
588 RunState from;
589 RunState to;
590 } RunStateTransition;
591
592 static const RunStateTransition runstate_transitions_def[] = {
593 /* from -> to */
594 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
595 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
596
597 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
598 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
599
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
602
603 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
604 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
605
606 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
607 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
608
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
611
612 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
615
616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
618
619 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
620
621 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
622 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
623 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
624 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
625 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
626 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
627 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
628 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
629 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
630 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
631
632 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
633
634 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
635 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
636
637 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
638 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
639 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
640 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
641
642 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
643 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
644
645 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
646 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
647
648 { RUN_STATE_MAX, RUN_STATE_MAX },
649 };
650
651 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
652
653 bool runstate_check(RunState state)
654 {
655 return current_run_state == state;
656 }
657
658 static void runstate_init(void)
659 {
660 const RunStateTransition *p;
661
662 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
663 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
664 runstate_valid_transitions[p->from][p->to] = true;
665 }
666
667 qemu_mutex_init(&vmstop_lock);
668 }
669
670 /* This function will abort() on invalid state transitions */
671 void runstate_set(RunState new_state)
672 {
673 assert(new_state < RUN_STATE_MAX);
674
675 if (!runstate_valid_transitions[current_run_state][new_state]) {
676 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
677 RunState_lookup[current_run_state],
678 RunState_lookup[new_state]);
679 abort();
680 }
681 trace_runstate_set(new_state);
682 current_run_state = new_state;
683 }
684
685 int runstate_is_running(void)
686 {
687 return runstate_check(RUN_STATE_RUNNING);
688 }
689
690 bool runstate_needs_reset(void)
691 {
692 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
693 runstate_check(RUN_STATE_SHUTDOWN);
694 }
695
696 StatusInfo *qmp_query_status(Error **errp)
697 {
698 StatusInfo *info = g_malloc0(sizeof(*info));
699
700 info->running = runstate_is_running();
701 info->singlestep = singlestep;
702 info->status = current_run_state;
703
704 return info;
705 }
706
707 static bool qemu_vmstop_requested(RunState *r)
708 {
709 qemu_mutex_lock(&vmstop_lock);
710 *r = vmstop_requested;
711 vmstop_requested = RUN_STATE_MAX;
712 qemu_mutex_unlock(&vmstop_lock);
713 return *r < RUN_STATE_MAX;
714 }
715
716 void qemu_system_vmstop_request_prepare(void)
717 {
718 qemu_mutex_lock(&vmstop_lock);
719 }
720
721 void qemu_system_vmstop_request(RunState state)
722 {
723 vmstop_requested = state;
724 qemu_mutex_unlock(&vmstop_lock);
725 qemu_notify_event();
726 }
727
728 void vm_start(void)
729 {
730 RunState requested;
731
732 qemu_vmstop_requested(&requested);
733 if (runstate_is_running() && requested == RUN_STATE_MAX) {
734 return;
735 }
736
737 /* Ensure that a STOP/RESUME pair of events is emitted if a
738 * vmstop request was pending. The BLOCK_IO_ERROR event, for
739 * example, according to documentation is always followed by
740 * the STOP event.
741 */
742 if (runstate_is_running()) {
743 qapi_event_send_stop(&error_abort);
744 } else {
745 cpu_enable_ticks();
746 runstate_set(RUN_STATE_RUNNING);
747 vm_state_notify(1, RUN_STATE_RUNNING);
748 resume_all_vcpus();
749 }
750
751 qapi_event_send_resume(&error_abort);
752 }
753
754
755 /***********************************************************/
756 /* real time host monotonic timer */
757
758 /***********************************************************/
759 /* host time/date access */
760 void qemu_get_timedate(struct tm *tm, int offset)
761 {
762 time_t ti;
763
764 time(&ti);
765 ti += offset;
766 if (rtc_date_offset == -1) {
767 if (rtc_utc)
768 gmtime_r(&ti, tm);
769 else
770 localtime_r(&ti, tm);
771 } else {
772 ti -= rtc_date_offset;
773 gmtime_r(&ti, tm);
774 }
775 }
776
777 int qemu_timedate_diff(struct tm *tm)
778 {
779 time_t seconds;
780
781 if (rtc_date_offset == -1)
782 if (rtc_utc)
783 seconds = mktimegm(tm);
784 else {
785 struct tm tmp = *tm;
786 tmp.tm_isdst = -1; /* use timezone to figure it out */
787 seconds = mktime(&tmp);
788 }
789 else
790 seconds = mktimegm(tm) + rtc_date_offset;
791
792 return seconds - time(NULL);
793 }
794
795 static void configure_rtc_date_offset(const char *startdate, int legacy)
796 {
797 time_t rtc_start_date;
798 struct tm tm;
799
800 if (!strcmp(startdate, "now") && legacy) {
801 rtc_date_offset = -1;
802 } else {
803 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
804 &tm.tm_year,
805 &tm.tm_mon,
806 &tm.tm_mday,
807 &tm.tm_hour,
808 &tm.tm_min,
809 &tm.tm_sec) == 6) {
810 /* OK */
811 } else if (sscanf(startdate, "%d-%d-%d",
812 &tm.tm_year,
813 &tm.tm_mon,
814 &tm.tm_mday) == 3) {
815 tm.tm_hour = 0;
816 tm.tm_min = 0;
817 tm.tm_sec = 0;
818 } else {
819 goto date_fail;
820 }
821 tm.tm_year -= 1900;
822 tm.tm_mon--;
823 rtc_start_date = mktimegm(&tm);
824 if (rtc_start_date == -1) {
825 date_fail:
826 fprintf(stderr, "Invalid date format. Valid formats are:\n"
827 "'2006-06-17T16:01:21' or '2006-06-17'\n");
828 exit(1);
829 }
830 rtc_date_offset = time(NULL) - rtc_start_date;
831 }
832 }
833
834 static void configure_rtc(QemuOpts *opts)
835 {
836 const char *value;
837
838 value = qemu_opt_get(opts, "base");
839 if (value) {
840 if (!strcmp(value, "utc")) {
841 rtc_utc = 1;
842 } else if (!strcmp(value, "localtime")) {
843 rtc_utc = 0;
844 } else {
845 configure_rtc_date_offset(value, 0);
846 }
847 }
848 value = qemu_opt_get(opts, "clock");
849 if (value) {
850 if (!strcmp(value, "host")) {
851 rtc_clock = QEMU_CLOCK_HOST;
852 } else if (!strcmp(value, "rt")) {
853 rtc_clock = QEMU_CLOCK_REALTIME;
854 } else if (!strcmp(value, "vm")) {
855 rtc_clock = QEMU_CLOCK_VIRTUAL;
856 } else {
857 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
858 exit(1);
859 }
860 }
861 value = qemu_opt_get(opts, "driftfix");
862 if (value) {
863 if (!strcmp(value, "slew")) {
864 static GlobalProperty slew_lost_ticks[] = {
865 {
866 .driver = "mc146818rtc",
867 .property = "lost_tick_policy",
868 .value = "slew",
869 },
870 { /* end of list */ }
871 };
872
873 qdev_prop_register_global_list(slew_lost_ticks);
874 } else if (!strcmp(value, "none")) {
875 /* discard is default */
876 } else {
877 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
878 exit(1);
879 }
880 }
881 }
882
883 /***********************************************************/
884 /* Bluetooth support */
885 static int nb_hcis;
886 static int cur_hci;
887 static struct HCIInfo *hci_table[MAX_NICS];
888
889 struct HCIInfo *qemu_next_hci(void)
890 {
891 if (cur_hci == nb_hcis)
892 return &null_hci;
893
894 return hci_table[cur_hci++];
895 }
896
897 static int bt_hci_parse(const char *str)
898 {
899 struct HCIInfo *hci;
900 bdaddr_t bdaddr;
901
902 if (nb_hcis >= MAX_NICS) {
903 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
904 return -1;
905 }
906
907 hci = hci_init(str);
908 if (!hci)
909 return -1;
910
911 bdaddr.b[0] = 0x52;
912 bdaddr.b[1] = 0x54;
913 bdaddr.b[2] = 0x00;
914 bdaddr.b[3] = 0x12;
915 bdaddr.b[4] = 0x34;
916 bdaddr.b[5] = 0x56 + nb_hcis;
917 hci->bdaddr_set(hci, bdaddr.b);
918
919 hci_table[nb_hcis++] = hci;
920
921 return 0;
922 }
923
924 static void bt_vhci_add(int vlan_id)
925 {
926 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
927
928 if (!vlan->slave)
929 fprintf(stderr, "qemu: warning: adding a VHCI to "
930 "an empty scatternet %i\n", vlan_id);
931
932 bt_vhci_init(bt_new_hci(vlan));
933 }
934
935 static struct bt_device_s *bt_device_add(const char *opt)
936 {
937 struct bt_scatternet_s *vlan;
938 int vlan_id = 0;
939 char *endp = strstr(opt, ",vlan=");
940 int len = (endp ? endp - opt : strlen(opt)) + 1;
941 char devname[10];
942
943 pstrcpy(devname, MIN(sizeof(devname), len), opt);
944
945 if (endp) {
946 vlan_id = strtol(endp + 6, &endp, 0);
947 if (*endp) {
948 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
949 return 0;
950 }
951 }
952
953 vlan = qemu_find_bt_vlan(vlan_id);
954
955 if (!vlan->slave)
956 fprintf(stderr, "qemu: warning: adding a slave device to "
957 "an empty scatternet %i\n", vlan_id);
958
959 if (!strcmp(devname, "keyboard"))
960 return bt_keyboard_init(vlan);
961
962 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
963 return 0;
964 }
965
966 static int bt_parse(const char *opt)
967 {
968 const char *endp, *p;
969 int vlan;
970
971 if (strstart(opt, "hci", &endp)) {
972 if (!*endp || *endp == ',') {
973 if (*endp)
974 if (!strstart(endp, ",vlan=", 0))
975 opt = endp + 1;
976
977 return bt_hci_parse(opt);
978 }
979 } else if (strstart(opt, "vhci", &endp)) {
980 if (!*endp || *endp == ',') {
981 if (*endp) {
982 if (strstart(endp, ",vlan=", &p)) {
983 vlan = strtol(p, (char **) &endp, 0);
984 if (*endp) {
985 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
986 return 1;
987 }
988 } else {
989 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
990 return 1;
991 }
992 } else
993 vlan = 0;
994
995 bt_vhci_add(vlan);
996 return 0;
997 }
998 } else if (strstart(opt, "device:", &endp))
999 return !bt_device_add(endp);
1000
1001 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1002 return 1;
1003 }
1004
1005 static int parse_sandbox(QemuOpts *opts, void *opaque)
1006 {
1007 /* FIXME: change this to true for 1.3 */
1008 if (qemu_opt_get_bool(opts, "enable", false)) {
1009 #ifdef CONFIG_SECCOMP
1010 if (seccomp_start() < 0) {
1011 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1012 "failed to install seccomp syscall filter in the kernel");
1013 return -1;
1014 }
1015 #else
1016 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1017 "sandboxing request but seccomp is not compiled into this build");
1018 return -1;
1019 #endif
1020 }
1021
1022 return 0;
1023 }
1024
1025 static int parse_name(QemuOpts *opts, void *opaque)
1026 {
1027 const char *proc_name;
1028
1029 if (qemu_opt_get(opts, "debug-threads")) {
1030 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1031 }
1032 qemu_name = qemu_opt_get(opts, "guest");
1033
1034 proc_name = qemu_opt_get(opts, "process");
1035 if (proc_name) {
1036 os_set_proc_name(proc_name);
1037 }
1038
1039 return 0;
1040 }
1041
1042 bool usb_enabled(bool default_usb)
1043 {
1044 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1045 has_defaults && default_usb);
1046 }
1047
1048 #ifndef _WIN32
1049 static int parse_add_fd(QemuOpts *opts, void *opaque)
1050 {
1051 int fd, dupfd, flags;
1052 int64_t fdset_id;
1053 const char *fd_opaque = NULL;
1054
1055 fd = qemu_opt_get_number(opts, "fd", -1);
1056 fdset_id = qemu_opt_get_number(opts, "set", -1);
1057 fd_opaque = qemu_opt_get(opts, "opaque");
1058
1059 if (fd < 0) {
1060 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1061 "fd option is required and must be non-negative");
1062 return -1;
1063 }
1064
1065 if (fd <= STDERR_FILENO) {
1066 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1067 "fd cannot be a standard I/O stream");
1068 return -1;
1069 }
1070
1071 /*
1072 * All fds inherited across exec() necessarily have FD_CLOEXEC
1073 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1074 */
1075 flags = fcntl(fd, F_GETFD);
1076 if (flags == -1 || (flags & FD_CLOEXEC)) {
1077 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1078 "fd is not valid or already in use");
1079 return -1;
1080 }
1081
1082 if (fdset_id < 0) {
1083 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1084 "set option is required and must be non-negative");
1085 return -1;
1086 }
1087
1088 #ifdef F_DUPFD_CLOEXEC
1089 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1090 #else
1091 dupfd = dup(fd);
1092 if (dupfd != -1) {
1093 qemu_set_cloexec(dupfd);
1094 }
1095 #endif
1096 if (dupfd == -1) {
1097 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1098 "Error duplicating fd: %s", strerror(errno));
1099 return -1;
1100 }
1101
1102 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1103 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1104 fd_opaque, NULL);
1105
1106 return 0;
1107 }
1108
1109 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1110 {
1111 int fd;
1112
1113 fd = qemu_opt_get_number(opts, "fd", -1);
1114 close(fd);
1115
1116 return 0;
1117 }
1118 #endif
1119
1120 /***********************************************************/
1121 /* QEMU Block devices */
1122
1123 #define HD_OPTS "media=disk"
1124 #define CDROM_OPTS "media=cdrom"
1125 #define FD_OPTS ""
1126 #define PFLASH_OPTS ""
1127 #define MTD_OPTS ""
1128 #define SD_OPTS ""
1129
1130 static int drive_init_func(QemuOpts *opts, void *opaque)
1131 {
1132 BlockInterfaceType *block_default_type = opaque;
1133
1134 return drive_new(opts, *block_default_type) == NULL;
1135 }
1136
1137 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1138 {
1139 if (NULL == qemu_opt_get(opts, "snapshot")) {
1140 qemu_opt_set(opts, "snapshot", "on");
1141 }
1142 return 0;
1143 }
1144
1145 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1146 int index, const char *optstr)
1147 {
1148 QemuOpts *opts;
1149
1150 if (!enable || drive_get_by_index(type, index)) {
1151 return;
1152 }
1153
1154 opts = drive_add(type, index, NULL, optstr);
1155 if (snapshot) {
1156 drive_enable_snapshot(opts, NULL);
1157 }
1158 if (!drive_new(opts, type)) {
1159 exit(1);
1160 }
1161 }
1162
1163 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1164 {
1165 boot_set_handler = func;
1166 boot_set_opaque = opaque;
1167 }
1168
1169 int qemu_boot_set(const char *boot_order)
1170 {
1171 if (!boot_set_handler) {
1172 return -EINVAL;
1173 }
1174 return boot_set_handler(boot_set_opaque, boot_order);
1175 }
1176
1177 static void validate_bootdevices(const char *devices)
1178 {
1179 /* We just do some generic consistency checks */
1180 const char *p;
1181 int bitmap = 0;
1182
1183 for (p = devices; *p != '\0'; p++) {
1184 /* Allowed boot devices are:
1185 * a-b: floppy disk drives
1186 * c-f: IDE disk drives
1187 * g-m: machine implementation dependent drives
1188 * n-p: network devices
1189 * It's up to each machine implementation to check if the given boot
1190 * devices match the actual hardware implementation and firmware
1191 * features.
1192 */
1193 if (*p < 'a' || *p > 'p') {
1194 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1195 exit(1);
1196 }
1197 if (bitmap & (1 << (*p - 'a'))) {
1198 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1199 exit(1);
1200 }
1201 bitmap |= 1 << (*p - 'a');
1202 }
1203 }
1204
1205 static void restore_boot_order(void *opaque)
1206 {
1207 char *normal_boot_order = opaque;
1208 static int first = 1;
1209
1210 /* Restore boot order and remove ourselves after the first boot */
1211 if (first) {
1212 first = 0;
1213 return;
1214 }
1215
1216 qemu_boot_set(normal_boot_order);
1217
1218 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1219 g_free(normal_boot_order);
1220 }
1221
1222 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1223 const char *suffix)
1224 {
1225 FWBootEntry *node, *i;
1226
1227 if (bootindex < 0) {
1228 return;
1229 }
1230
1231 assert(dev != NULL || suffix != NULL);
1232
1233 node = g_malloc0(sizeof(FWBootEntry));
1234 node->bootindex = bootindex;
1235 node->suffix = g_strdup(suffix);
1236 node->dev = dev;
1237
1238 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1239 if (i->bootindex == bootindex) {
1240 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1241 exit(1);
1242 } else if (i->bootindex < bootindex) {
1243 continue;
1244 }
1245 QTAILQ_INSERT_BEFORE(i, node, link);
1246 return;
1247 }
1248 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1249 }
1250
1251 DeviceState *get_boot_device(uint32_t position)
1252 {
1253 uint32_t counter = 0;
1254 FWBootEntry *i = NULL;
1255 DeviceState *res = NULL;
1256
1257 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1258 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1259 if (counter == position) {
1260 res = i->dev;
1261 break;
1262 }
1263 counter++;
1264 }
1265 }
1266 return res;
1267 }
1268
1269 /*
1270 * This function returns null terminated string that consist of new line
1271 * separated device paths.
1272 *
1273 * memory pointed by "size" is assigned total length of the array in bytes
1274 *
1275 */
1276 char *get_boot_devices_list(size_t *size, bool ignore_suffixes)
1277 {
1278 FWBootEntry *i;
1279 size_t total = 0;
1280 char *list = NULL;
1281
1282 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1283 char *devpath = NULL, *bootpath;
1284 size_t len;
1285
1286 if (i->dev) {
1287 devpath = qdev_get_fw_dev_path(i->dev);
1288 assert(devpath);
1289 }
1290
1291 if (i->suffix && !ignore_suffixes && devpath) {
1292 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1293
1294 bootpath = g_malloc(bootpathlen);
1295 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1296 g_free(devpath);
1297 } else if (devpath) {
1298 bootpath = devpath;
1299 } else if (!ignore_suffixes) {
1300 assert(i->suffix);
1301 bootpath = g_strdup(i->suffix);
1302 } else {
1303 bootpath = g_strdup("");
1304 }
1305
1306 if (total) {
1307 list[total-1] = '\n';
1308 }
1309 len = strlen(bootpath) + 1;
1310 list = g_realloc(list, total + len);
1311 memcpy(&list[total], bootpath, len);
1312 total += len;
1313 g_free(bootpath);
1314 }
1315
1316 *size = total;
1317
1318 if (boot_strict && *size > 0) {
1319 list[total-1] = '\n';
1320 list = g_realloc(list, total + 5);
1321 memcpy(&list[total], "HALT", 5);
1322 *size = total + 5;
1323 }
1324 return list;
1325 }
1326
1327 static QemuOptsList qemu_smp_opts = {
1328 .name = "smp-opts",
1329 .implied_opt_name = "cpus",
1330 .merge_lists = true,
1331 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1332 .desc = {
1333 {
1334 .name = "cpus",
1335 .type = QEMU_OPT_NUMBER,
1336 }, {
1337 .name = "sockets",
1338 .type = QEMU_OPT_NUMBER,
1339 }, {
1340 .name = "cores",
1341 .type = QEMU_OPT_NUMBER,
1342 }, {
1343 .name = "threads",
1344 .type = QEMU_OPT_NUMBER,
1345 }, {
1346 .name = "maxcpus",
1347 .type = QEMU_OPT_NUMBER,
1348 },
1349 { /*End of list */ }
1350 },
1351 };
1352
1353 static void smp_parse(QemuOpts *opts)
1354 {
1355 if (opts) {
1356
1357 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1358 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1359 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1360 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1361
1362 /* compute missing values, prefer sockets over cores over threads */
1363 if (cpus == 0 || sockets == 0) {
1364 sockets = sockets > 0 ? sockets : 1;
1365 cores = cores > 0 ? cores : 1;
1366 threads = threads > 0 ? threads : 1;
1367 if (cpus == 0) {
1368 cpus = cores * threads * sockets;
1369 }
1370 } else {
1371 if (cores == 0) {
1372 threads = threads > 0 ? threads : 1;
1373 cores = cpus / (sockets * threads);
1374 } else {
1375 threads = cpus / (cores * sockets);
1376 }
1377 }
1378
1379 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1380
1381 smp_cpus = cpus;
1382 smp_cores = cores > 0 ? cores : 1;
1383 smp_threads = threads > 0 ? threads : 1;
1384
1385 }
1386
1387 if (max_cpus == 0) {
1388 max_cpus = smp_cpus;
1389 }
1390
1391 if (max_cpus > MAX_CPUMASK_BITS) {
1392 fprintf(stderr, "Unsupported number of maxcpus\n");
1393 exit(1);
1394 }
1395 if (max_cpus < smp_cpus) {
1396 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1397 exit(1);
1398 }
1399
1400 }
1401
1402 static void configure_realtime(QemuOpts *opts)
1403 {
1404 bool enable_mlock;
1405
1406 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1407
1408 if (enable_mlock) {
1409 if (os_mlock() < 0) {
1410 fprintf(stderr, "qemu: locking memory failed\n");
1411 exit(1);
1412 }
1413 }
1414 }
1415
1416
1417 static void configure_msg(QemuOpts *opts)
1418 {
1419 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1420 }
1421
1422 /***********************************************************/
1423 /* USB devices */
1424
1425 static int usb_device_add(const char *devname)
1426 {
1427 USBDevice *dev = NULL;
1428 #ifndef CONFIG_LINUX
1429 const char *p;
1430 #endif
1431
1432 if (!usb_enabled(false)) {
1433 return -1;
1434 }
1435
1436 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1437 dev = usbdevice_create(devname);
1438 if (dev)
1439 goto done;
1440
1441 /* the other ones */
1442 #ifndef CONFIG_LINUX
1443 /* only the linux version is qdev-ified, usb-bsd still needs this */
1444 if (strstart(devname, "host:", &p)) {
1445 dev = usb_host_device_open(usb_bus_find(-1), p);
1446 }
1447 #endif
1448 if (!dev)
1449 return -1;
1450
1451 done:
1452 return 0;
1453 }
1454
1455 static int usb_device_del(const char *devname)
1456 {
1457 int bus_num, addr;
1458 const char *p;
1459
1460 if (strstart(devname, "host:", &p)) {
1461 return -1;
1462 }
1463
1464 if (!usb_enabled(false)) {
1465 return -1;
1466 }
1467
1468 p = strchr(devname, '.');
1469 if (!p)
1470 return -1;
1471 bus_num = strtoul(devname, NULL, 0);
1472 addr = strtoul(p + 1, NULL, 0);
1473
1474 return usb_device_delete_addr(bus_num, addr);
1475 }
1476
1477 static int usb_parse(const char *cmdline)
1478 {
1479 int r;
1480 r = usb_device_add(cmdline);
1481 if (r < 0) {
1482 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1483 }
1484 return r;
1485 }
1486
1487 void do_usb_add(Monitor *mon, const QDict *qdict)
1488 {
1489 const char *devname = qdict_get_str(qdict, "devname");
1490 if (usb_device_add(devname) < 0) {
1491 error_report("could not add USB device '%s'", devname);
1492 }
1493 }
1494
1495 void do_usb_del(Monitor *mon, const QDict *qdict)
1496 {
1497 const char *devname = qdict_get_str(qdict, "devname");
1498 if (usb_device_del(devname) < 0) {
1499 error_report("could not delete USB device '%s'", devname);
1500 }
1501 }
1502
1503 /***********************************************************/
1504 /* PCMCIA/Cardbus */
1505
1506 static struct pcmcia_socket_entry_s {
1507 PCMCIASocket *socket;
1508 struct pcmcia_socket_entry_s *next;
1509 } *pcmcia_sockets = 0;
1510
1511 void pcmcia_socket_register(PCMCIASocket *socket)
1512 {
1513 struct pcmcia_socket_entry_s *entry;
1514
1515 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1516 entry->socket = socket;
1517 entry->next = pcmcia_sockets;
1518 pcmcia_sockets = entry;
1519 }
1520
1521 void pcmcia_socket_unregister(PCMCIASocket *socket)
1522 {
1523 struct pcmcia_socket_entry_s *entry, **ptr;
1524
1525 ptr = &pcmcia_sockets;
1526 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1527 if (entry->socket == socket) {
1528 *ptr = entry->next;
1529 g_free(entry);
1530 }
1531 }
1532
1533 void pcmcia_info(Monitor *mon, const QDict *qdict)
1534 {
1535 struct pcmcia_socket_entry_s *iter;
1536
1537 if (!pcmcia_sockets)
1538 monitor_printf(mon, "No PCMCIA sockets\n");
1539
1540 for (iter = pcmcia_sockets; iter; iter = iter->next)
1541 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1542 iter->socket->attached ? iter->socket->card_string :
1543 "Empty");
1544 }
1545
1546 /***********************************************************/
1547 /* machine registration */
1548
1549 MachineState *current_machine;
1550
1551 static void machine_class_init(ObjectClass *oc, void *data)
1552 {
1553 MachineClass *mc = MACHINE_CLASS(oc);
1554 QEMUMachine *qm = data;
1555
1556 mc->name = qm->name;
1557 mc->alias = qm->alias;
1558 mc->desc = qm->desc;
1559 mc->init = qm->init;
1560 mc->reset = qm->reset;
1561 mc->hot_add_cpu = qm->hot_add_cpu;
1562 mc->kvm_type = qm->kvm_type;
1563 mc->block_default_type = qm->block_default_type;
1564 mc->max_cpus = qm->max_cpus;
1565 mc->no_serial = qm->no_serial;
1566 mc->no_parallel = qm->no_parallel;
1567 mc->use_virtcon = qm->use_virtcon;
1568 mc->use_sclp = qm->use_sclp;
1569 mc->no_floppy = qm->no_floppy;
1570 mc->no_cdrom = qm->no_cdrom;
1571 mc->no_sdcard = qm->no_sdcard;
1572 mc->is_default = qm->is_default;
1573 mc->default_machine_opts = qm->default_machine_opts;
1574 mc->default_boot_order = qm->default_boot_order;
1575 mc->compat_props = qm->compat_props;
1576 mc->hw_version = qm->hw_version;
1577 }
1578
1579 int qemu_register_machine(QEMUMachine *m)
1580 {
1581 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1582 TypeInfo ti = {
1583 .name = name,
1584 .parent = TYPE_MACHINE,
1585 .class_init = machine_class_init,
1586 .class_data = (void *)m,
1587 };
1588
1589 type_register(&ti);
1590 g_free(name);
1591
1592 return 0;
1593 }
1594
1595 static MachineClass *find_machine(const char *name)
1596 {
1597 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1598 MachineClass *mc = NULL;
1599
1600 for (el = machines; el; el = el->next) {
1601 MachineClass *temp = el->data;
1602
1603 if (!strcmp(temp->name, name)) {
1604 mc = temp;
1605 break;
1606 }
1607 if (temp->alias &&
1608 !strcmp(temp->alias, name)) {
1609 mc = temp;
1610 break;
1611 }
1612 }
1613
1614 g_slist_free(machines);
1615 return mc;
1616 }
1617
1618 MachineClass *find_default_machine(void)
1619 {
1620 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1621 MachineClass *mc = NULL;
1622
1623 for (el = machines; el; el = el->next) {
1624 MachineClass *temp = el->data;
1625
1626 if (temp->is_default) {
1627 mc = temp;
1628 break;
1629 }
1630 }
1631
1632 g_slist_free(machines);
1633 return mc;
1634 }
1635
1636 MachineInfoList *qmp_query_machines(Error **errp)
1637 {
1638 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1639 MachineInfoList *mach_list = NULL;
1640
1641 for (el = machines; el; el = el->next) {
1642 MachineClass *mc = el->data;
1643 MachineInfoList *entry;
1644 MachineInfo *info;
1645
1646 info = g_malloc0(sizeof(*info));
1647 if (mc->is_default) {
1648 info->has_is_default = true;
1649 info->is_default = true;
1650 }
1651
1652 if (mc->alias) {
1653 info->has_alias = true;
1654 info->alias = g_strdup(mc->alias);
1655 }
1656
1657 info->name = g_strdup(mc->name);
1658 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1659
1660 entry = g_malloc0(sizeof(*entry));
1661 entry->value = info;
1662 entry->next = mach_list;
1663 mach_list = entry;
1664 }
1665
1666 g_slist_free(machines);
1667 return mach_list;
1668 }
1669
1670 /***********************************************************/
1671 /* main execution loop */
1672
1673 struct vm_change_state_entry {
1674 VMChangeStateHandler *cb;
1675 void *opaque;
1676 QLIST_ENTRY (vm_change_state_entry) entries;
1677 };
1678
1679 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1680
1681 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1682 void *opaque)
1683 {
1684 VMChangeStateEntry *e;
1685
1686 e = g_malloc0(sizeof (*e));
1687
1688 e->cb = cb;
1689 e->opaque = opaque;
1690 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1691 return e;
1692 }
1693
1694 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1695 {
1696 QLIST_REMOVE (e, entries);
1697 g_free (e);
1698 }
1699
1700 void vm_state_notify(int running, RunState state)
1701 {
1702 VMChangeStateEntry *e;
1703
1704 trace_vm_state_notify(running, state);
1705
1706 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1707 e->cb(e->opaque, running, state);
1708 }
1709 }
1710
1711 /* reset/shutdown handler */
1712
1713 typedef struct QEMUResetEntry {
1714 QTAILQ_ENTRY(QEMUResetEntry) entry;
1715 QEMUResetHandler *func;
1716 void *opaque;
1717 } QEMUResetEntry;
1718
1719 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1720 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1721 static int reset_requested;
1722 static int shutdown_requested, shutdown_signal = -1;
1723 static pid_t shutdown_pid;
1724 static int powerdown_requested;
1725 static int debug_requested;
1726 static int suspend_requested;
1727 static WakeupReason wakeup_reason;
1728 static NotifierList powerdown_notifiers =
1729 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1730 static NotifierList suspend_notifiers =
1731 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1732 static NotifierList wakeup_notifiers =
1733 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1734 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1735
1736 int qemu_shutdown_requested_get(void)
1737 {
1738 return shutdown_requested;
1739 }
1740
1741 int qemu_reset_requested_get(void)
1742 {
1743 return reset_requested;
1744 }
1745
1746 static int qemu_shutdown_requested(void)
1747 {
1748 int r = shutdown_requested;
1749 shutdown_requested = 0;
1750 return r;
1751 }
1752
1753 static void qemu_kill_report(void)
1754 {
1755 if (!qtest_driver() && shutdown_signal != -1) {
1756 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1757 if (shutdown_pid == 0) {
1758 /* This happens for eg ^C at the terminal, so it's worth
1759 * avoiding printing an odd message in that case.
1760 */
1761 fputc('\n', stderr);
1762 } else {
1763 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1764 }
1765 shutdown_signal = -1;
1766 }
1767 }
1768
1769 static int qemu_reset_requested(void)
1770 {
1771 int r = reset_requested;
1772 reset_requested = 0;
1773 return r;
1774 }
1775
1776 static int qemu_suspend_requested(void)
1777 {
1778 int r = suspend_requested;
1779 suspend_requested = 0;
1780 return r;
1781 }
1782
1783 static WakeupReason qemu_wakeup_requested(void)
1784 {
1785 return wakeup_reason;
1786 }
1787
1788 static int qemu_powerdown_requested(void)
1789 {
1790 int r = powerdown_requested;
1791 powerdown_requested = 0;
1792 return r;
1793 }
1794
1795 static int qemu_debug_requested(void)
1796 {
1797 int r = debug_requested;
1798 debug_requested = 0;
1799 return r;
1800 }
1801
1802 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1803 {
1804 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1805
1806 re->func = func;
1807 re->opaque = opaque;
1808 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1809 }
1810
1811 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1812 {
1813 QEMUResetEntry *re;
1814
1815 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1816 if (re->func == func && re->opaque == opaque) {
1817 QTAILQ_REMOVE(&reset_handlers, re, entry);
1818 g_free(re);
1819 return;
1820 }
1821 }
1822 }
1823
1824 void qemu_devices_reset(void)
1825 {
1826 QEMUResetEntry *re, *nre;
1827
1828 /* reset all devices */
1829 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1830 re->func(re->opaque);
1831 }
1832 }
1833
1834 void qemu_system_reset(bool report)
1835 {
1836 MachineClass *mc;
1837
1838 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1839
1840 if (mc && mc->reset) {
1841 mc->reset();
1842 } else {
1843 qemu_devices_reset();
1844 }
1845 if (report) {
1846 qapi_event_send_reset(&error_abort);
1847 }
1848 cpu_synchronize_all_post_reset();
1849 }
1850
1851 void qemu_system_reset_request(void)
1852 {
1853 if (no_reboot) {
1854 shutdown_requested = 1;
1855 } else {
1856 reset_requested = 1;
1857 }
1858 cpu_stop_current();
1859 qemu_notify_event();
1860 }
1861
1862 static void qemu_system_suspend(void)
1863 {
1864 pause_all_vcpus();
1865 notifier_list_notify(&suspend_notifiers, NULL);
1866 runstate_set(RUN_STATE_SUSPENDED);
1867 qapi_event_send_suspend(&error_abort);
1868 }
1869
1870 void qemu_system_suspend_request(void)
1871 {
1872 if (runstate_check(RUN_STATE_SUSPENDED)) {
1873 return;
1874 }
1875 suspend_requested = 1;
1876 cpu_stop_current();
1877 qemu_notify_event();
1878 }
1879
1880 void qemu_register_suspend_notifier(Notifier *notifier)
1881 {
1882 notifier_list_add(&suspend_notifiers, notifier);
1883 }
1884
1885 void qemu_system_wakeup_request(WakeupReason reason)
1886 {
1887 trace_system_wakeup_request(reason);
1888
1889 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1890 return;
1891 }
1892 if (!(wakeup_reason_mask & (1 << reason))) {
1893 return;
1894 }
1895 runstate_set(RUN_STATE_RUNNING);
1896 wakeup_reason = reason;
1897 qemu_notify_event();
1898 }
1899
1900 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1901 {
1902 if (enabled) {
1903 wakeup_reason_mask |= (1 << reason);
1904 } else {
1905 wakeup_reason_mask &= ~(1 << reason);
1906 }
1907 }
1908
1909 void qemu_register_wakeup_notifier(Notifier *notifier)
1910 {
1911 notifier_list_add(&wakeup_notifiers, notifier);
1912 }
1913
1914 void qemu_system_killed(int signal, pid_t pid)
1915 {
1916 shutdown_signal = signal;
1917 shutdown_pid = pid;
1918 no_shutdown = 0;
1919 qemu_system_shutdown_request();
1920 }
1921
1922 void qemu_system_shutdown_request(void)
1923 {
1924 trace_qemu_system_shutdown_request();
1925 shutdown_requested = 1;
1926 qemu_notify_event();
1927 }
1928
1929 static void qemu_system_powerdown(void)
1930 {
1931 qapi_event_send_powerdown(&error_abort);
1932 notifier_list_notify(&powerdown_notifiers, NULL);
1933 }
1934
1935 void qemu_system_powerdown_request(void)
1936 {
1937 trace_qemu_system_powerdown_request();
1938 powerdown_requested = 1;
1939 qemu_notify_event();
1940 }
1941
1942 void qemu_register_powerdown_notifier(Notifier *notifier)
1943 {
1944 notifier_list_add(&powerdown_notifiers, notifier);
1945 }
1946
1947 void qemu_system_debug_request(void)
1948 {
1949 debug_requested = 1;
1950 qemu_notify_event();
1951 }
1952
1953 static bool main_loop_should_exit(void)
1954 {
1955 RunState r;
1956 if (qemu_debug_requested()) {
1957 vm_stop(RUN_STATE_DEBUG);
1958 }
1959 if (qemu_suspend_requested()) {
1960 qemu_system_suspend();
1961 }
1962 if (qemu_shutdown_requested()) {
1963 qemu_kill_report();
1964 qapi_event_send_shutdown(&error_abort);
1965 if (no_shutdown) {
1966 vm_stop(RUN_STATE_SHUTDOWN);
1967 } else {
1968 return true;
1969 }
1970 }
1971 if (qemu_reset_requested()) {
1972 pause_all_vcpus();
1973 cpu_synchronize_all_states();
1974 qemu_system_reset(VMRESET_REPORT);
1975 resume_all_vcpus();
1976 if (runstate_needs_reset()) {
1977 runstate_set(RUN_STATE_PAUSED);
1978 }
1979 }
1980 if (qemu_wakeup_requested()) {
1981 pause_all_vcpus();
1982 cpu_synchronize_all_states();
1983 qemu_system_reset(VMRESET_SILENT);
1984 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1985 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1986 resume_all_vcpus();
1987 qapi_event_send_wakeup(&error_abort);
1988 }
1989 if (qemu_powerdown_requested()) {
1990 qemu_system_powerdown();
1991 }
1992 if (qemu_vmstop_requested(&r)) {
1993 vm_stop(r);
1994 }
1995 return false;
1996 }
1997
1998 static void main_loop(void)
1999 {
2000 bool nonblocking;
2001 int last_io = 0;
2002 #ifdef CONFIG_PROFILER
2003 int64_t ti;
2004 #endif
2005 do {
2006 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2007 #ifdef CONFIG_PROFILER
2008 ti = profile_getclock();
2009 #endif
2010 last_io = main_loop_wait(nonblocking);
2011 #ifdef CONFIG_PROFILER
2012 dev_time += profile_getclock() - ti;
2013 #endif
2014 } while (!main_loop_should_exit());
2015 }
2016
2017 static void version(void)
2018 {
2019 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2020 }
2021
2022 static void help(int exitcode)
2023 {
2024 version();
2025 printf("usage: %s [options] [disk_image]\n\n"
2026 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2027 error_get_progname());
2028
2029 #define QEMU_OPTIONS_GENERATE_HELP
2030 #include "qemu-options-wrapper.h"
2031
2032 printf("\nDuring emulation, the following keys are useful:\n"
2033 "ctrl-alt-f toggle full screen\n"
2034 "ctrl-alt-n switch to virtual console 'n'\n"
2035 "ctrl-alt toggle mouse and keyboard grab\n"
2036 "\n"
2037 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2038
2039 exit(exitcode);
2040 }
2041
2042 #define HAS_ARG 0x0001
2043
2044 typedef struct QEMUOption {
2045 const char *name;
2046 int flags;
2047 int index;
2048 uint32_t arch_mask;
2049 } QEMUOption;
2050
2051 static const QEMUOption qemu_options[] = {
2052 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2053 #define QEMU_OPTIONS_GENERATE_OPTIONS
2054 #include "qemu-options-wrapper.h"
2055 { NULL },
2056 };
2057
2058 static bool vga_available(void)
2059 {
2060 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2061 }
2062
2063 static bool cirrus_vga_available(void)
2064 {
2065 return object_class_by_name("cirrus-vga")
2066 || object_class_by_name("isa-cirrus-vga");
2067 }
2068
2069 static bool vmware_vga_available(void)
2070 {
2071 return object_class_by_name("vmware-svga");
2072 }
2073
2074 static bool qxl_vga_available(void)
2075 {
2076 return object_class_by_name("qxl-vga");
2077 }
2078
2079 static bool tcx_vga_available(void)
2080 {
2081 return object_class_by_name("SUNW,tcx");
2082 }
2083
2084 static bool cg3_vga_available(void)
2085 {
2086 return object_class_by_name("cgthree");
2087 }
2088
2089 static void select_vgahw (const char *p)
2090 {
2091 const char *opts;
2092
2093 assert(vga_interface_type == VGA_NONE);
2094 if (strstart(p, "std", &opts)) {
2095 if (vga_available()) {
2096 vga_interface_type = VGA_STD;
2097 } else {
2098 fprintf(stderr, "Error: standard VGA not available\n");
2099 exit(0);
2100 }
2101 } else if (strstart(p, "cirrus", &opts)) {
2102 if (cirrus_vga_available()) {
2103 vga_interface_type = VGA_CIRRUS;
2104 } else {
2105 fprintf(stderr, "Error: Cirrus VGA not available\n");
2106 exit(0);
2107 }
2108 } else if (strstart(p, "vmware", &opts)) {
2109 if (vmware_vga_available()) {
2110 vga_interface_type = VGA_VMWARE;
2111 } else {
2112 fprintf(stderr, "Error: VMWare SVGA not available\n");
2113 exit(0);
2114 }
2115 } else if (strstart(p, "xenfb", &opts)) {
2116 vga_interface_type = VGA_XENFB;
2117 } else if (strstart(p, "qxl", &opts)) {
2118 if (qxl_vga_available()) {
2119 vga_interface_type = VGA_QXL;
2120 } else {
2121 fprintf(stderr, "Error: QXL VGA not available\n");
2122 exit(0);
2123 }
2124 } else if (strstart(p, "tcx", &opts)) {
2125 if (tcx_vga_available()) {
2126 vga_interface_type = VGA_TCX;
2127 } else {
2128 fprintf(stderr, "Error: TCX framebuffer not available\n");
2129 exit(0);
2130 }
2131 } else if (strstart(p, "cg3", &opts)) {
2132 if (cg3_vga_available()) {
2133 vga_interface_type = VGA_CG3;
2134 } else {
2135 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2136 exit(0);
2137 }
2138 } else if (!strstart(p, "none", &opts)) {
2139 invalid_vga:
2140 fprintf(stderr, "Unknown vga type: %s\n", p);
2141 exit(1);
2142 }
2143 while (*opts) {
2144 const char *nextopt;
2145
2146 if (strstart(opts, ",retrace=", &nextopt)) {
2147 opts = nextopt;
2148 if (strstart(opts, "dumb", &nextopt))
2149 vga_retrace_method = VGA_RETRACE_DUMB;
2150 else if (strstart(opts, "precise", &nextopt))
2151 vga_retrace_method = VGA_RETRACE_PRECISE;
2152 else goto invalid_vga;
2153 } else goto invalid_vga;
2154 opts = nextopt;
2155 }
2156 }
2157
2158 static DisplayType select_display(const char *p)
2159 {
2160 const char *opts;
2161 DisplayType display = DT_DEFAULT;
2162
2163 if (strstart(p, "sdl", &opts)) {
2164 #ifdef CONFIG_SDL
2165 display = DT_SDL;
2166 while (*opts) {
2167 const char *nextopt;
2168
2169 if (strstart(opts, ",frame=", &nextopt)) {
2170 opts = nextopt;
2171 if (strstart(opts, "on", &nextopt)) {
2172 no_frame = 0;
2173 } else if (strstart(opts, "off", &nextopt)) {
2174 no_frame = 1;
2175 } else {
2176 goto invalid_sdl_args;
2177 }
2178 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2179 opts = nextopt;
2180 if (strstart(opts, "on", &nextopt)) {
2181 alt_grab = 1;
2182 } else if (strstart(opts, "off", &nextopt)) {
2183 alt_grab = 0;
2184 } else {
2185 goto invalid_sdl_args;
2186 }
2187 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2188 opts = nextopt;
2189 if (strstart(opts, "on", &nextopt)) {
2190 ctrl_grab = 1;
2191 } else if (strstart(opts, "off", &nextopt)) {
2192 ctrl_grab = 0;
2193 } else {
2194 goto invalid_sdl_args;
2195 }
2196 } else if (strstart(opts, ",window_close=", &nextopt)) {
2197 opts = nextopt;
2198 if (strstart(opts, "on", &nextopt)) {
2199 no_quit = 0;
2200 } else if (strstart(opts, "off", &nextopt)) {
2201 no_quit = 1;
2202 } else {
2203 goto invalid_sdl_args;
2204 }
2205 } else {
2206 invalid_sdl_args:
2207 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2208 exit(1);
2209 }
2210 opts = nextopt;
2211 }
2212 #else
2213 fprintf(stderr, "SDL support is disabled\n");
2214 exit(1);
2215 #endif
2216 } else if (strstart(p, "vnc", &opts)) {
2217 #ifdef CONFIG_VNC
2218 display_remote++;
2219
2220 if (*opts) {
2221 const char *nextopt;
2222
2223 if (strstart(opts, "=", &nextopt)) {
2224 vnc_display = nextopt;
2225 }
2226 }
2227 if (!vnc_display) {
2228 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2229 exit(1);
2230 }
2231 #else
2232 fprintf(stderr, "VNC support is disabled\n");
2233 exit(1);
2234 #endif
2235 } else if (strstart(p, "curses", &opts)) {
2236 #ifdef CONFIG_CURSES
2237 display = DT_CURSES;
2238 #else
2239 fprintf(stderr, "Curses support is disabled\n");
2240 exit(1);
2241 #endif
2242 } else if (strstart(p, "gtk", &opts)) {
2243 #ifdef CONFIG_GTK
2244 display = DT_GTK;
2245 while (*opts) {
2246 const char *nextopt;
2247
2248 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2249 opts = nextopt;
2250 if (strstart(opts, "on", &nextopt)) {
2251 grab_on_hover = true;
2252 } else if (strstart(opts, "off", &nextopt)) {
2253 grab_on_hover = false;
2254 } else {
2255 goto invalid_gtk_args;
2256 }
2257 } else {
2258 invalid_gtk_args:
2259 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2260 exit(1);
2261 }
2262 opts = nextopt;
2263 }
2264 #else
2265 fprintf(stderr, "GTK support is disabled\n");
2266 exit(1);
2267 #endif
2268 } else if (strstart(p, "none", &opts)) {
2269 display = DT_NONE;
2270 } else {
2271 fprintf(stderr, "Unknown display type: %s\n", p);
2272 exit(1);
2273 }
2274
2275 return display;
2276 }
2277
2278 static int balloon_parse(const char *arg)
2279 {
2280 QemuOpts *opts;
2281
2282 if (strcmp(arg, "none") == 0) {
2283 return 0;
2284 }
2285
2286 if (!strncmp(arg, "virtio", 6)) {
2287 if (arg[6] == ',') {
2288 /* have params -> parse them */
2289 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2290 if (!opts)
2291 return -1;
2292 } else {
2293 /* create empty opts */
2294 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2295 &error_abort);
2296 }
2297 qemu_opt_set(opts, "driver", "virtio-balloon");
2298 return 0;
2299 }
2300
2301 return -1;
2302 }
2303
2304 char *qemu_find_file(int type, const char *name)
2305 {
2306 int i;
2307 const char *subdir;
2308 char *buf;
2309
2310 /* Try the name as a straight path first */
2311 if (access(name, R_OK) == 0) {
2312 trace_load_file(name, name);
2313 return g_strdup(name);
2314 }
2315
2316 switch (type) {
2317 case QEMU_FILE_TYPE_BIOS:
2318 subdir = "";
2319 break;
2320 case QEMU_FILE_TYPE_KEYMAP:
2321 subdir = "keymaps/";
2322 break;
2323 default:
2324 abort();
2325 }
2326
2327 for (i = 0; i < data_dir_idx; i++) {
2328 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2329 if (access(buf, R_OK) == 0) {
2330 trace_load_file(name, buf);
2331 return buf;
2332 }
2333 g_free(buf);
2334 }
2335 return NULL;
2336 }
2337
2338 static int device_help_func(QemuOpts *opts, void *opaque)
2339 {
2340 return qdev_device_help(opts);
2341 }
2342
2343 static int device_init_func(QemuOpts *opts, void *opaque)
2344 {
2345 DeviceState *dev;
2346
2347 dev = qdev_device_add(opts);
2348 if (!dev)
2349 return -1;
2350 object_unref(OBJECT(dev));
2351 return 0;
2352 }
2353
2354 static int chardev_init_func(QemuOpts *opts, void *opaque)
2355 {
2356 Error *local_err = NULL;
2357
2358 qemu_chr_new_from_opts(opts, NULL, &local_err);
2359 if (local_err) {
2360 error_report("%s", error_get_pretty(local_err));
2361 error_free(local_err);
2362 return -1;
2363 }
2364 return 0;
2365 }
2366
2367 #ifdef CONFIG_VIRTFS
2368 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2369 {
2370 int ret;
2371 ret = qemu_fsdev_add(opts);
2372
2373 return ret;
2374 }
2375 #endif
2376
2377 static int mon_init_func(QemuOpts *opts, void *opaque)
2378 {
2379 CharDriverState *chr;
2380 const char *chardev;
2381 const char *mode;
2382 int flags;
2383
2384 mode = qemu_opt_get(opts, "mode");
2385 if (mode == NULL) {
2386 mode = "readline";
2387 }
2388 if (strcmp(mode, "readline") == 0) {
2389 flags = MONITOR_USE_READLINE;
2390 } else if (strcmp(mode, "control") == 0) {
2391 flags = MONITOR_USE_CONTROL;
2392 } else {
2393 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2394 exit(1);
2395 }
2396
2397 if (qemu_opt_get_bool(opts, "pretty", 0))
2398 flags |= MONITOR_USE_PRETTY;
2399
2400 if (qemu_opt_get_bool(opts, "default", 0))
2401 flags |= MONITOR_IS_DEFAULT;
2402
2403 chardev = qemu_opt_get(opts, "chardev");
2404 chr = qemu_chr_find(chardev);
2405 if (chr == NULL) {
2406 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2407 exit(1);
2408 }
2409
2410 qemu_chr_fe_claim_no_fail(chr);
2411 monitor_init(chr, flags);
2412 return 0;
2413 }
2414
2415 static void monitor_parse(const char *optarg, const char *mode)
2416 {
2417 static int monitor_device_index = 0;
2418 QemuOpts *opts;
2419 const char *p;
2420 char label[32];
2421 int def = 0;
2422
2423 if (strstart(optarg, "chardev:", &p)) {
2424 snprintf(label, sizeof(label), "%s", p);
2425 } else {
2426 snprintf(label, sizeof(label), "compat_monitor%d",
2427 monitor_device_index);
2428 if (monitor_device_index == 0) {
2429 def = 1;
2430 }
2431 opts = qemu_chr_parse_compat(label, optarg);
2432 if (!opts) {
2433 fprintf(stderr, "parse error: %s\n", optarg);
2434 exit(1);
2435 }
2436 }
2437
2438 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2439 if (!opts) {
2440 fprintf(stderr, "duplicate chardev: %s\n", label);
2441 exit(1);
2442 }
2443 qemu_opt_set(opts, "mode", mode);
2444 qemu_opt_set(opts, "chardev", label);
2445 if (def)
2446 qemu_opt_set(opts, "default", "on");
2447 monitor_device_index++;
2448 }
2449
2450 struct device_config {
2451 enum {
2452 DEV_USB, /* -usbdevice */
2453 DEV_BT, /* -bt */
2454 DEV_SERIAL, /* -serial */
2455 DEV_PARALLEL, /* -parallel */
2456 DEV_VIRTCON, /* -virtioconsole */
2457 DEV_DEBUGCON, /* -debugcon */
2458 DEV_GDB, /* -gdb, -s */
2459 DEV_SCLP, /* s390 sclp */
2460 } type;
2461 const char *cmdline;
2462 Location loc;
2463 QTAILQ_ENTRY(device_config) next;
2464 };
2465
2466 static QTAILQ_HEAD(, device_config) device_configs =
2467 QTAILQ_HEAD_INITIALIZER(device_configs);
2468
2469 static void add_device_config(int type, const char *cmdline)
2470 {
2471 struct device_config *conf;
2472
2473 conf = g_malloc0(sizeof(*conf));
2474 conf->type = type;
2475 conf->cmdline = cmdline;
2476 loc_save(&conf->loc);
2477 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2478 }
2479
2480 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2481 {
2482 struct device_config *conf;
2483 int rc;
2484
2485 QTAILQ_FOREACH(conf, &device_configs, next) {
2486 if (conf->type != type)
2487 continue;
2488 loc_push_restore(&conf->loc);
2489 rc = func(conf->cmdline);
2490 loc_pop(&conf->loc);
2491 if (0 != rc)
2492 return rc;
2493 }
2494 return 0;
2495 }
2496
2497 static int serial_parse(const char *devname)
2498 {
2499 static int index = 0;
2500 char label[32];
2501
2502 if (strcmp(devname, "none") == 0)
2503 return 0;
2504 if (index == MAX_SERIAL_PORTS) {
2505 fprintf(stderr, "qemu: too many serial ports\n");
2506 exit(1);
2507 }
2508 snprintf(label, sizeof(label), "serial%d", index);
2509 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2510 if (!serial_hds[index]) {
2511 fprintf(stderr, "qemu: could not connect serial device"
2512 " to character backend '%s'\n", devname);
2513 return -1;
2514 }
2515 index++;
2516 return 0;
2517 }
2518
2519 static int parallel_parse(const char *devname)
2520 {
2521 static int index = 0;
2522 char label[32];
2523
2524 if (strcmp(devname, "none") == 0)
2525 return 0;
2526 if (index == MAX_PARALLEL_PORTS) {
2527 fprintf(stderr, "qemu: too many parallel ports\n");
2528 exit(1);
2529 }
2530 snprintf(label, sizeof(label), "parallel%d", index);
2531 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2532 if (!parallel_hds[index]) {
2533 fprintf(stderr, "qemu: could not connect parallel device"
2534 " to character backend '%s'\n", devname);
2535 return -1;
2536 }
2537 index++;
2538 return 0;
2539 }
2540
2541 static int virtcon_parse(const char *devname)
2542 {
2543 QemuOptsList *device = qemu_find_opts("device");
2544 static int index = 0;
2545 char label[32];
2546 QemuOpts *bus_opts, *dev_opts;
2547
2548 if (strcmp(devname, "none") == 0)
2549 return 0;
2550 if (index == MAX_VIRTIO_CONSOLES) {
2551 fprintf(stderr, "qemu: too many virtio consoles\n");
2552 exit(1);
2553 }
2554
2555 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2556 if (arch_type == QEMU_ARCH_S390X) {
2557 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2558 } else {
2559 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2560 }
2561
2562 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2563 qemu_opt_set(dev_opts, "driver", "virtconsole");
2564
2565 snprintf(label, sizeof(label), "virtcon%d", index);
2566 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2567 if (!virtcon_hds[index]) {
2568 fprintf(stderr, "qemu: could not connect virtio console"
2569 " to character backend '%s'\n", devname);
2570 return -1;
2571 }
2572 qemu_opt_set(dev_opts, "chardev", label);
2573
2574 index++;
2575 return 0;
2576 }
2577
2578 static int sclp_parse(const char *devname)
2579 {
2580 QemuOptsList *device = qemu_find_opts("device");
2581 static int index = 0;
2582 char label[32];
2583 QemuOpts *dev_opts;
2584
2585 if (strcmp(devname, "none") == 0) {
2586 return 0;
2587 }
2588 if (index == MAX_SCLP_CONSOLES) {
2589 fprintf(stderr, "qemu: too many sclp consoles\n");
2590 exit(1);
2591 }
2592
2593 assert(arch_type == QEMU_ARCH_S390X);
2594
2595 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2596 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2597
2598 snprintf(label, sizeof(label), "sclpcon%d", index);
2599 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2600 if (!sclp_hds[index]) {
2601 fprintf(stderr, "qemu: could not connect sclp console"
2602 " to character backend '%s'\n", devname);
2603 return -1;
2604 }
2605 qemu_opt_set(dev_opts, "chardev", label);
2606
2607 index++;
2608 return 0;
2609 }
2610
2611 static int debugcon_parse(const char *devname)
2612 {
2613 QemuOpts *opts;
2614
2615 if (!qemu_chr_new("debugcon", devname, NULL)) {
2616 exit(1);
2617 }
2618 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2619 if (!opts) {
2620 fprintf(stderr, "qemu: already have a debugcon device\n");
2621 exit(1);
2622 }
2623 qemu_opt_set(opts, "driver", "isa-debugcon");
2624 qemu_opt_set(opts, "chardev", "debugcon");
2625 return 0;
2626 }
2627
2628 static MachineClass *machine_parse(const char *name)
2629 {
2630 MachineClass *mc = NULL;
2631 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2632
2633 if (name) {
2634 mc = find_machine(name);
2635 }
2636 if (mc) {
2637 return mc;
2638 }
2639 if (name && !is_help_option(name)) {
2640 error_report("Unsupported machine type");
2641 error_printf("Use -machine help to list supported machines!\n");
2642 } else {
2643 printf("Supported machines are:\n");
2644 for (el = machines; el; el = el->next) {
2645 MachineClass *mc = el->data;
2646 if (mc->alias) {
2647 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2648 }
2649 printf("%-20s %s%s\n", mc->name, mc->desc,
2650 mc->is_default ? " (default)" : "");
2651 }
2652 }
2653
2654 g_slist_free(machines);
2655 exit(!name || !is_help_option(name));
2656 }
2657
2658 static int tcg_init(MachineClass *mc)
2659 {
2660 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2661 return 0;
2662 }
2663
2664 static struct {
2665 const char *opt_name;
2666 const char *name;
2667 int (*available)(void);
2668 int (*init)(MachineClass *mc);
2669 bool *allowed;
2670 } accel_list[] = {
2671 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2672 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2673 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2674 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2675 };
2676
2677 static int configure_accelerator(MachineClass *mc)
2678 {
2679 const char *p;
2680 char buf[10];
2681 int i, ret;
2682 bool accel_initialised = false;
2683 bool init_failed = false;
2684
2685 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2686 if (p == NULL) {
2687 /* Use the default "accelerator", tcg */
2688 p = "tcg";
2689 }
2690
2691 while (!accel_initialised && *p != '\0') {
2692 if (*p == ':') {
2693 p++;
2694 }
2695 p = get_opt_name(buf, sizeof (buf), p, ':');
2696 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2697 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2698 if (!accel_list[i].available()) {
2699 printf("%s not supported for this target\n",
2700 accel_list[i].name);
2701 break;
2702 }
2703 *(accel_list[i].allowed) = true;
2704 ret = accel_list[i].init(mc);
2705 if (ret < 0) {
2706 init_failed = true;
2707 fprintf(stderr, "failed to initialize %s: %s\n",
2708 accel_list[i].name,
2709 strerror(-ret));
2710 *(accel_list[i].allowed) = false;
2711 } else {
2712 accel_initialised = true;
2713 }
2714 break;
2715 }
2716 }
2717 if (i == ARRAY_SIZE(accel_list)) {
2718 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2719 }
2720 }
2721
2722 if (!accel_initialised) {
2723 if (!init_failed) {
2724 fprintf(stderr, "No accelerator found!\n");
2725 }
2726 exit(1);
2727 }
2728
2729 if (init_failed) {
2730 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2731 }
2732
2733 return !accel_initialised;
2734 }
2735
2736 void qemu_add_exit_notifier(Notifier *notify)
2737 {
2738 notifier_list_add(&exit_notifiers, notify);
2739 }
2740
2741 void qemu_remove_exit_notifier(Notifier *notify)
2742 {
2743 notifier_remove(notify);
2744 }
2745
2746 static void qemu_run_exit_notifiers(void)
2747 {
2748 notifier_list_notify(&exit_notifiers, NULL);
2749 }
2750
2751 void qemu_add_machine_init_done_notifier(Notifier *notify)
2752 {
2753 notifier_list_add(&machine_init_done_notifiers, notify);
2754 }
2755
2756 static void qemu_run_machine_init_done_notifiers(void)
2757 {
2758 notifier_list_notify(&machine_init_done_notifiers, NULL);
2759 }
2760
2761 static const QEMUOption *lookup_opt(int argc, char **argv,
2762 const char **poptarg, int *poptind)
2763 {
2764 const QEMUOption *popt;
2765 int optind = *poptind;
2766 char *r = argv[optind];
2767 const char *optarg;
2768
2769 loc_set_cmdline(argv, optind, 1);
2770 optind++;
2771 /* Treat --foo the same as -foo. */
2772 if (r[1] == '-')
2773 r++;
2774 popt = qemu_options;
2775 for(;;) {
2776 if (!popt->name) {
2777 error_report("invalid option");
2778 exit(1);
2779 }
2780 if (!strcmp(popt->name, r + 1))
2781 break;
2782 popt++;
2783 }
2784 if (popt->flags & HAS_ARG) {
2785 if (optind >= argc) {
2786 error_report("requires an argument");
2787 exit(1);
2788 }
2789 optarg = argv[optind++];
2790 loc_set_cmdline(argv, optind - 2, 2);
2791 } else {
2792 optarg = NULL;
2793 }
2794
2795 *poptarg = optarg;
2796 *poptind = optind;
2797
2798 return popt;
2799 }
2800
2801 static gpointer malloc_and_trace(gsize n_bytes)
2802 {
2803 void *ptr = malloc(n_bytes);
2804 trace_g_malloc(n_bytes, ptr);
2805 return ptr;
2806 }
2807
2808 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2809 {
2810 void *ptr = realloc(mem, n_bytes);
2811 trace_g_realloc(mem, n_bytes, ptr);
2812 return ptr;
2813 }
2814
2815 static void free_and_trace(gpointer mem)
2816 {
2817 trace_g_free(mem);
2818 free(mem);
2819 }
2820
2821 static int object_set_property(const char *name, const char *value, void *opaque)
2822 {
2823 Object *obj = OBJECT(opaque);
2824 StringInputVisitor *siv;
2825 Error *local_err = NULL;
2826
2827 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0 ||
2828 strcmp(name, "type") == 0) {
2829 return 0;
2830 }
2831
2832 siv = string_input_visitor_new(value);
2833 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2834 string_input_visitor_cleanup(siv);
2835
2836 if (local_err) {
2837 qerror_report_err(local_err);
2838 error_free(local_err);
2839 return -1;
2840 }
2841
2842 return 0;
2843 }
2844
2845 static int object_create(QemuOpts *opts, void *opaque)
2846 {
2847 Error *err = NULL;
2848 char *type = NULL;
2849 char *id = NULL;
2850 void *dummy = NULL;
2851 OptsVisitor *ov;
2852 QDict *pdict;
2853
2854 ov = opts_visitor_new(opts);
2855 pdict = qemu_opts_to_qdict(opts, NULL);
2856
2857 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2858 if (err) {
2859 goto out;
2860 }
2861
2862 qdict_del(pdict, "qom-type");
2863 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2864 if (err) {
2865 goto out;
2866 }
2867
2868 qdict_del(pdict, "id");
2869 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2870 if (err) {
2871 goto out;
2872 }
2873
2874 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2875 if (err) {
2876 goto out;
2877 }
2878 visit_end_struct(opts_get_visitor(ov), &err);
2879 if (err) {
2880 qmp_object_del(id, NULL);
2881 }
2882
2883 out:
2884 opts_visitor_cleanup(ov);
2885
2886 QDECREF(pdict);
2887 g_free(id);
2888 g_free(type);
2889 g_free(dummy);
2890 if (err) {
2891 qerror_report_err(err);
2892 return -1;
2893 }
2894 return 0;
2895 }
2896
2897 int main(int argc, char **argv, char **envp)
2898 {
2899 int i;
2900 int snapshot, linux_boot;
2901 const char *icount_option = NULL;
2902 const char *initrd_filename;
2903 const char *kernel_filename, *kernel_cmdline;
2904 const char *boot_order;
2905 DisplayState *ds;
2906 int cyls, heads, secs, translation;
2907 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2908 QemuOptsList *olist;
2909 int optind;
2910 const char *optarg;
2911 const char *loadvm = NULL;
2912 MachineClass *machine_class;
2913 const char *cpu_model;
2914 const char *vga_model = NULL;
2915 const char *qtest_chrdev = NULL;
2916 const char *qtest_log = NULL;
2917 const char *pid_file = NULL;
2918 const char *incoming = NULL;
2919 #ifdef CONFIG_VNC
2920 int show_vnc_port = 0;
2921 #endif
2922 bool defconfig = true;
2923 bool userconfig = true;
2924 const char *log_mask = NULL;
2925 const char *log_file = NULL;
2926 GMemVTable mem_trace = {
2927 .malloc = malloc_and_trace,
2928 .realloc = realloc_and_trace,
2929 .free = free_and_trace,
2930 };
2931 const char *trace_events = NULL;
2932 const char *trace_file = NULL;
2933 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2934 1024 * 1024;
2935 ram_addr_t maxram_size = default_ram_size;
2936 uint64_t ram_slots = 0;
2937 FILE *vmstate_dump_file = NULL;
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 QLIST_INIT (&vm_change_state_head);
2978 os_setup_early_signal_handling();
2979
2980 module_call_init(MODULE_INIT_MACHINE);
2981 machine_class = find_default_machine();
2982 cpu_model = NULL;
2983 ram_size = default_ram_size;
2984 snapshot = 0;
2985 cyls = heads = secs = 0;
2986 translation = BIOS_ATA_TRANSLATION_AUTO;
2987
2988 for (i = 0; i < MAX_NODES; i++) {
2989 numa_info[i].node_mem = 0;
2990 numa_info[i].present = false;
2991 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2992 }
2993
2994 nb_numa_nodes = 0;
2995 max_numa_nodeid = 0;
2996 nb_nics = 0;
2997
2998 bdrv_init_with_whitelist();
2999
3000 autostart = 1;
3001
3002 /* first pass of option parsing */
3003 optind = 1;
3004 while (optind < argc) {
3005 if (argv[optind][0] != '-') {
3006 /* disk image */
3007 optind++;
3008 } else {
3009 const QEMUOption *popt;
3010
3011 popt = lookup_opt(argc, argv, &optarg, &optind);
3012 switch (popt->index) {
3013 case QEMU_OPTION_nodefconfig:
3014 defconfig = false;
3015 break;
3016 case QEMU_OPTION_nouserconfig:
3017 userconfig = false;
3018 break;
3019 }
3020 }
3021 }
3022
3023 if (defconfig) {
3024 int ret;
3025 ret = qemu_read_default_config_files(userconfig);
3026 if (ret < 0) {
3027 exit(1);
3028 }
3029 }
3030
3031 /* second pass of option parsing */
3032 optind = 1;
3033 for(;;) {
3034 if (optind >= argc)
3035 break;
3036 if (argv[optind][0] != '-') {
3037 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3038 } else {
3039 const QEMUOption *popt;
3040
3041 popt = lookup_opt(argc, argv, &optarg, &optind);
3042 if (!(popt->arch_mask & arch_type)) {
3043 printf("Option %s not supported for this target\n", popt->name);
3044 exit(1);
3045 }
3046 switch(popt->index) {
3047 case QEMU_OPTION_M:
3048 machine_class = machine_parse(optarg);
3049 break;
3050 case QEMU_OPTION_no_kvm_irqchip: {
3051 olist = qemu_find_opts("machine");
3052 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
3053 break;
3054 }
3055 case QEMU_OPTION_cpu:
3056 /* hw initialization will check this */
3057 cpu_model = optarg;
3058 break;
3059 case QEMU_OPTION_hda:
3060 {
3061 char buf[256];
3062 if (cyls == 0)
3063 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3064 else
3065 snprintf(buf, sizeof(buf),
3066 "%s,cyls=%d,heads=%d,secs=%d%s",
3067 HD_OPTS , cyls, heads, secs,
3068 translation == BIOS_ATA_TRANSLATION_LBA ?
3069 ",trans=lba" :
3070 translation == BIOS_ATA_TRANSLATION_NONE ?
3071 ",trans=none" : "");
3072 drive_add(IF_DEFAULT, 0, optarg, buf);
3073 break;
3074 }
3075 case QEMU_OPTION_hdb:
3076 case QEMU_OPTION_hdc:
3077 case QEMU_OPTION_hdd:
3078 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3079 HD_OPTS);
3080 break;
3081 case QEMU_OPTION_drive:
3082 if (drive_def(optarg) == NULL) {
3083 exit(1);
3084 }
3085 break;
3086 case QEMU_OPTION_set:
3087 if (qemu_set_option(optarg) != 0)
3088 exit(1);
3089 break;
3090 case QEMU_OPTION_global:
3091 if (qemu_global_option(optarg) != 0)
3092 exit(1);
3093 break;
3094 case QEMU_OPTION_mtdblock:
3095 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3096 break;
3097 case QEMU_OPTION_sd:
3098 drive_add(IF_SD, -1, optarg, SD_OPTS);
3099 break;
3100 case QEMU_OPTION_pflash:
3101 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3102 break;
3103 case QEMU_OPTION_snapshot:
3104 snapshot = 1;
3105 break;
3106 case QEMU_OPTION_hdachs:
3107 {
3108 const char *p;
3109 p = optarg;
3110 cyls = strtol(p, (char **)&p, 0);
3111 if (cyls < 1 || cyls > 16383)
3112 goto chs_fail;
3113 if (*p != ',')
3114 goto chs_fail;
3115 p++;
3116 heads = strtol(p, (char **)&p, 0);
3117 if (heads < 1 || heads > 16)
3118 goto chs_fail;
3119 if (*p != ',')
3120 goto chs_fail;
3121 p++;
3122 secs = strtol(p, (char **)&p, 0);
3123 if (secs < 1 || secs > 63)
3124 goto chs_fail;
3125 if (*p == ',') {
3126 p++;
3127 if (!strcmp(p, "large")) {
3128 translation = BIOS_ATA_TRANSLATION_LARGE;
3129 } else if (!strcmp(p, "rechs")) {
3130 translation = BIOS_ATA_TRANSLATION_RECHS;
3131 } else if (!strcmp(p, "none")) {
3132 translation = BIOS_ATA_TRANSLATION_NONE;
3133 } else if (!strcmp(p, "lba")) {
3134 translation = BIOS_ATA_TRANSLATION_LBA;
3135 } else if (!strcmp(p, "auto")) {
3136 translation = BIOS_ATA_TRANSLATION_AUTO;
3137 } else {
3138 goto chs_fail;
3139 }
3140 } else if (*p != '\0') {
3141 chs_fail:
3142 fprintf(stderr, "qemu: invalid physical CHS format\n");
3143 exit(1);
3144 }
3145 if (hda_opts != NULL) {
3146 char num[16];
3147 snprintf(num, sizeof(num), "%d", cyls);
3148 qemu_opt_set(hda_opts, "cyls", num);
3149 snprintf(num, sizeof(num), "%d", heads);
3150 qemu_opt_set(hda_opts, "heads", num);
3151 snprintf(num, sizeof(num), "%d", secs);
3152 qemu_opt_set(hda_opts, "secs", num);
3153 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3154 qemu_opt_set(hda_opts, "trans", "large");
3155 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3156 qemu_opt_set(hda_opts, "trans", "rechs");
3157 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3158 qemu_opt_set(hda_opts, "trans", "lba");
3159 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3160 qemu_opt_set(hda_opts, "trans", "none");
3161 }
3162 }
3163 }
3164 break;
3165 case QEMU_OPTION_numa:
3166 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3167 if (!opts) {
3168 exit(1);
3169 }
3170 break;
3171 case QEMU_OPTION_display:
3172 display_type = select_display(optarg);
3173 break;
3174 case QEMU_OPTION_nographic:
3175 display_type = DT_NOGRAPHIC;
3176 break;
3177 case QEMU_OPTION_curses:
3178 #ifdef CONFIG_CURSES
3179 display_type = DT_CURSES;
3180 #else
3181 fprintf(stderr, "Curses support is disabled\n");
3182 exit(1);
3183 #endif
3184 break;
3185 case QEMU_OPTION_portrait:
3186 graphic_rotate = 90;
3187 break;
3188 case QEMU_OPTION_rotate:
3189 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3190 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3191 graphic_rotate != 180 && graphic_rotate != 270) {
3192 fprintf(stderr,
3193 "qemu: only 90, 180, 270 deg rotation is available\n");
3194 exit(1);
3195 }
3196 break;
3197 case QEMU_OPTION_kernel:
3198 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3199 break;
3200 case QEMU_OPTION_initrd:
3201 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3202 break;
3203 case QEMU_OPTION_append:
3204 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3205 break;
3206 case QEMU_OPTION_dtb:
3207 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3208 break;
3209 case QEMU_OPTION_cdrom:
3210 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3211 break;
3212 case QEMU_OPTION_boot:
3213 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3214 if (!opts) {
3215 exit(1);
3216 }
3217 break;
3218 case QEMU_OPTION_fda:
3219 case QEMU_OPTION_fdb:
3220 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3221 optarg, FD_OPTS);
3222 break;
3223 case QEMU_OPTION_no_fd_bootchk:
3224 fd_bootchk = 0;
3225 break;
3226 case QEMU_OPTION_netdev:
3227 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3228 exit(1);
3229 }
3230 break;
3231 case QEMU_OPTION_net:
3232 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3233 exit(1);
3234 }
3235 break;
3236 #ifdef CONFIG_LIBISCSI
3237 case QEMU_OPTION_iscsi:
3238 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3239 if (!opts) {
3240 exit(1);
3241 }
3242 break;
3243 #endif
3244 #ifdef CONFIG_SLIRP
3245 case QEMU_OPTION_tftp:
3246 legacy_tftp_prefix = optarg;
3247 break;
3248 case QEMU_OPTION_bootp:
3249 legacy_bootp_filename = optarg;
3250 break;
3251 case QEMU_OPTION_redir:
3252 if (net_slirp_redir(optarg) < 0)
3253 exit(1);
3254 break;
3255 #endif
3256 case QEMU_OPTION_bt:
3257 add_device_config(DEV_BT, optarg);
3258 break;
3259 case QEMU_OPTION_audio_help:
3260 AUD_help ();
3261 exit (0);
3262 break;
3263 case QEMU_OPTION_soundhw:
3264 select_soundhw (optarg);
3265 break;
3266 case QEMU_OPTION_h:
3267 help(0);
3268 break;
3269 case QEMU_OPTION_version:
3270 version();
3271 exit(0);
3272 break;
3273 case QEMU_OPTION_m: {
3274 uint64_t sz;
3275 const char *mem_str;
3276 const char *maxmem_str, *slots_str;
3277
3278 opts = qemu_opts_parse(qemu_find_opts("memory"),
3279 optarg, 1);
3280 if (!opts) {
3281 exit(EXIT_FAILURE);
3282 }
3283
3284 mem_str = qemu_opt_get(opts, "size");
3285 if (!mem_str) {
3286 error_report("invalid -m option, missing 'size' option");
3287 exit(EXIT_FAILURE);
3288 }
3289 if (!*mem_str) {
3290 error_report("missing 'size' option value");
3291 exit(EXIT_FAILURE);
3292 }
3293
3294 sz = qemu_opt_get_size(opts, "size", ram_size);
3295
3296 /* Fix up legacy suffix-less format */
3297 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3298 uint64_t overflow_check = sz;
3299
3300 sz <<= 20;
3301 if ((sz >> 20) != overflow_check) {
3302 error_report("too large 'size' option value");
3303 exit(EXIT_FAILURE);
3304 }
3305 }
3306
3307 /* backward compatibility behaviour for case "-m 0" */
3308 if (sz == 0) {
3309 sz = default_ram_size;
3310 }
3311
3312 sz = QEMU_ALIGN_UP(sz, 8192);
3313 ram_size = sz;
3314 if (ram_size != sz) {
3315 error_report("ram size too large");
3316 exit(EXIT_FAILURE);
3317 }
3318
3319 maxmem_str = qemu_opt_get(opts, "maxmem");
3320 slots_str = qemu_opt_get(opts, "slots");
3321 if (maxmem_str && slots_str) {
3322 uint64_t slots;
3323
3324 sz = qemu_opt_get_size(opts, "maxmem", 0);
3325 if (sz < ram_size) {
3326 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3327 "(%" PRIu64 ") <= initial memory ("
3328 RAM_ADDR_FMT ")\n", sz, ram_size);
3329 exit(EXIT_FAILURE);
3330 }
3331
3332 slots = qemu_opt_get_number(opts, "slots", 0);
3333 if ((sz > ram_size) && !slots) {
3334 fprintf(stderr, "qemu: invalid -m option value: maxmem "
3335 "(%" PRIu64 ") more than initial memory ("
3336 RAM_ADDR_FMT ") but no hotplug slots where "
3337 "specified\n", sz, ram_size);
3338 exit(EXIT_FAILURE);
3339 }
3340
3341 if ((sz <= ram_size) && slots) {
3342 fprintf(stderr, "qemu: invalid -m option value: %"
3343 PRIu64 " hotplug slots where specified but "
3344 "maxmem (%" PRIu64 ") <= initial memory ("
3345 RAM_ADDR_FMT ")\n", slots, sz, ram_size);
3346 exit(EXIT_FAILURE);
3347 }
3348 maxram_size = sz;
3349 ram_slots = slots;
3350 } else if ((!maxmem_str && slots_str) ||
3351 (maxmem_str && !slots_str)) {
3352 fprintf(stderr, "qemu: invalid -m option value: missing "
3353 "'%s' option\n", slots_str ? "maxmem" : "slots");
3354 exit(EXIT_FAILURE);
3355 }
3356 break;
3357 }
3358 #ifdef CONFIG_TPM
3359 case QEMU_OPTION_tpmdev:
3360 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3361 exit(1);
3362 }
3363 break;
3364 #endif
3365 case QEMU_OPTION_mempath:
3366 mem_path = optarg;
3367 break;
3368 case QEMU_OPTION_mem_prealloc:
3369 mem_prealloc = 1;
3370 break;
3371 case QEMU_OPTION_d:
3372 log_mask = optarg;
3373 break;
3374 case QEMU_OPTION_D:
3375 log_file = optarg;
3376 break;
3377 case QEMU_OPTION_s:
3378 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3379 break;
3380 case QEMU_OPTION_gdb:
3381 add_device_config(DEV_GDB, optarg);
3382 break;
3383 case QEMU_OPTION_L:
3384 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3385 data_dir[data_dir_idx++] = optarg;
3386 }
3387 break;
3388 case QEMU_OPTION_bios:
3389 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3390 break;
3391 case QEMU_OPTION_singlestep:
3392 singlestep = 1;
3393 break;
3394 case QEMU_OPTION_S:
3395 autostart = 0;
3396 break;
3397 case QEMU_OPTION_k:
3398 keyboard_layout = optarg;
3399 break;
3400 case QEMU_OPTION_localtime:
3401 rtc_utc = 0;
3402 break;
3403 case QEMU_OPTION_vga:
3404 vga_model = optarg;
3405 default_vga = 0;
3406 break;
3407 case QEMU_OPTION_g:
3408 {
3409 const char *p;
3410 int w, h, depth;
3411 p = optarg;
3412 w = strtol(p, (char **)&p, 10);
3413 if (w <= 0) {
3414 graphic_error:
3415 fprintf(stderr, "qemu: invalid resolution or depth\n");
3416 exit(1);
3417 }
3418 if (*p != 'x')
3419 goto graphic_error;
3420 p++;
3421 h = strtol(p, (char **)&p, 10);
3422 if (h <= 0)
3423 goto graphic_error;
3424 if (*p == 'x') {
3425 p++;
3426 depth = strtol(p, (char **)&p, 10);
3427 if (depth != 8 && depth != 15 && depth != 16 &&
3428 depth != 24 && depth != 32)
3429 goto graphic_error;
3430 } else if (*p == '\0') {
3431 depth = graphic_depth;
3432 } else {
3433 goto graphic_error;
3434 }
3435
3436 graphic_width = w;
3437 graphic_height = h;
3438 graphic_depth = depth;
3439 }
3440 break;
3441 case QEMU_OPTION_echr:
3442 {
3443 char *r;
3444 term_escape_char = strtol(optarg, &r, 0);
3445 if (r == optarg)
3446 printf("Bad argument to echr\n");
3447 break;
3448 }
3449 case QEMU_OPTION_monitor:
3450 default_monitor = 0;
3451 if (strncmp(optarg, "none", 4)) {
3452 monitor_parse(optarg, "readline");
3453 }
3454 break;
3455 case QEMU_OPTION_qmp:
3456 monitor_parse(optarg, "control");
3457 default_monitor = 0;
3458 break;
3459 case QEMU_OPTION_mon:
3460 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3461 if (!opts) {
3462 exit(1);
3463 }
3464 default_monitor = 0;
3465 break;
3466 case QEMU_OPTION_chardev:
3467 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3468 if (!opts) {
3469 exit(1);
3470 }
3471 break;
3472 case QEMU_OPTION_fsdev:
3473 olist = qemu_find_opts("fsdev");
3474 if (!olist) {
3475 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3476 exit(1);
3477 }
3478 opts = qemu_opts_parse(olist, optarg, 1);
3479 if (!opts) {
3480 exit(1);
3481 }
3482 break;
3483 case QEMU_OPTION_virtfs: {
3484 QemuOpts *fsdev;
3485 QemuOpts *device;
3486 const char *writeout, *sock_fd, *socket;
3487
3488 olist = qemu_find_opts("virtfs");
3489 if (!olist) {
3490 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3491 exit(1);
3492 }
3493 opts = qemu_opts_parse(olist, optarg, 1);
3494 if (!opts) {
3495 exit(1);
3496 }
3497
3498 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3499 qemu_opt_get(opts, "mount_tag") == NULL) {
3500 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3501 exit(1);
3502 }
3503 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3504 qemu_opt_get(opts, "mount_tag"),
3505 1, NULL);
3506 if (!fsdev) {
3507 fprintf(stderr, "duplicate fsdev id: %s\n",
3508 qemu_opt_get(opts, "mount_tag"));
3509 exit(1);
3510 }
3511
3512 writeout = qemu_opt_get(opts, "writeout");
3513 if (writeout) {
3514 #ifdef CONFIG_SYNC_FILE_RANGE
3515 qemu_opt_set(fsdev, "writeout", writeout);
3516 #else
3517 fprintf(stderr, "writeout=immediate not supported on "
3518 "this platform\n");
3519 exit(1);
3520 #endif
3521 }
3522 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3523 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3524 qemu_opt_set(fsdev, "security_model",
3525 qemu_opt_get(opts, "security_model"));
3526 socket = qemu_opt_get(opts, "socket");
3527 if (socket) {
3528 qemu_opt_set(fsdev, "socket", socket);
3529 }
3530 sock_fd = qemu_opt_get(opts, "sock_fd");
3531 if (sock_fd) {
3532 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3533 }
3534
3535 qemu_opt_set_bool(fsdev, "readonly",
3536 qemu_opt_get_bool(opts, "readonly", 0));
3537 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3538 &error_abort);
3539 qemu_opt_set(device, "driver", "virtio-9p-pci");
3540 qemu_opt_set(device, "fsdev",
3541 qemu_opt_get(opts, "mount_tag"));
3542 qemu_opt_set(device, "mount_tag",
3543 qemu_opt_get(opts, "mount_tag"));
3544 break;
3545 }
3546 case QEMU_OPTION_virtfs_synth: {
3547 QemuOpts *fsdev;
3548 QemuOpts *device;
3549
3550 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3551 1, NULL);
3552 if (!fsdev) {
3553 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3554 exit(1);
3555 }
3556 qemu_opt_set(fsdev, "fsdriver", "synth");
3557
3558 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3559 &error_abort);
3560 qemu_opt_set(device, "driver", "virtio-9p-pci");
3561 qemu_opt_set(device, "fsdev", "v_synth");
3562 qemu_opt_set(device, "mount_tag", "v_synth");
3563 break;
3564 }
3565 case QEMU_OPTION_serial:
3566 add_device_config(DEV_SERIAL, optarg);
3567 default_serial = 0;
3568 if (strncmp(optarg, "mon:", 4) == 0) {
3569 default_monitor = 0;
3570 }
3571 break;
3572 case QEMU_OPTION_watchdog:
3573 if (watchdog) {
3574 fprintf(stderr,
3575 "qemu: only one watchdog option may be given\n");
3576 return 1;
3577 }
3578 watchdog = optarg;
3579 break;
3580 case QEMU_OPTION_watchdog_action:
3581 if (select_watchdog_action(optarg) == -1) {
3582 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3583 exit(1);
3584 }
3585 break;
3586 case QEMU_OPTION_virtiocon:
3587 add_device_config(DEV_VIRTCON, optarg);
3588 default_virtcon = 0;
3589 if (strncmp(optarg, "mon:", 4) == 0) {
3590 default_monitor = 0;
3591 }
3592 break;
3593 case QEMU_OPTION_parallel:
3594 add_device_config(DEV_PARALLEL, optarg);
3595 default_parallel = 0;
3596 if (strncmp(optarg, "mon:", 4) == 0) {
3597 default_monitor = 0;
3598 }
3599 break;
3600 case QEMU_OPTION_debugcon:
3601 add_device_config(DEV_DEBUGCON, optarg);
3602 break;
3603 case QEMU_OPTION_loadvm:
3604 loadvm = optarg;
3605 break;
3606 case QEMU_OPTION_full_screen:
3607 full_screen = 1;
3608 break;
3609 case QEMU_OPTION_no_frame:
3610 no_frame = 1;
3611 break;
3612 case QEMU_OPTION_alt_grab:
3613 alt_grab = 1;
3614 break;
3615 case QEMU_OPTION_ctrl_grab:
3616 ctrl_grab = 1;
3617 break;
3618 case QEMU_OPTION_no_quit:
3619 no_quit = 1;
3620 break;
3621 case QEMU_OPTION_sdl:
3622 #ifdef CONFIG_SDL
3623 display_type = DT_SDL;
3624 break;
3625 #else
3626 fprintf(stderr, "SDL support is disabled\n");
3627 exit(1);
3628 #endif
3629 case QEMU_OPTION_pidfile:
3630 pid_file = optarg;
3631 break;
3632 case QEMU_OPTION_win2k_hack:
3633 win2k_install_hack = 1;
3634 break;
3635 case QEMU_OPTION_rtc_td_hack: {
3636 static GlobalProperty slew_lost_ticks[] = {
3637 {
3638 .driver = "mc146818rtc",
3639 .property = "lost_tick_policy",
3640 .value = "slew",
3641 },
3642 { /* end of list */ }
3643 };
3644
3645 qdev_prop_register_global_list(slew_lost_ticks);
3646 break;
3647 }
3648 case QEMU_OPTION_acpitable:
3649 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3650 if (!opts) {
3651 exit(1);
3652 }
3653 do_acpitable_option(opts);
3654 break;
3655 case QEMU_OPTION_smbios:
3656 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3657 if (!opts) {
3658 exit(1);
3659 }
3660 do_smbios_option(opts);
3661 break;
3662 case QEMU_OPTION_enable_kvm:
3663 olist = qemu_find_opts("machine");
3664 qemu_opts_parse(olist, "accel=kvm", 0);
3665 break;
3666 case QEMU_OPTION_machine:
3667 olist = qemu_find_opts("machine");
3668 opts = qemu_opts_parse(olist, optarg, 1);
3669 if (!opts) {
3670 exit(1);
3671 }
3672 optarg = qemu_opt_get(opts, "type");
3673 if (optarg) {
3674 machine_class = machine_parse(optarg);
3675 }
3676 break;
3677 case QEMU_OPTION_no_kvm:
3678 olist = qemu_find_opts("machine");
3679 qemu_opts_parse(olist, "accel=tcg", 0);
3680 break;
3681 case QEMU_OPTION_no_kvm_pit: {
3682 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3683 "separately.\n");
3684 break;
3685 }
3686 case QEMU_OPTION_no_kvm_pit_reinjection: {
3687 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3688 {
3689 .driver = "kvm-pit",
3690 .property = "lost_tick_policy",
3691 .value = "discard",
3692 },
3693 { /* end of list */ }
3694 };
3695
3696 fprintf(stderr, "Warning: option deprecated, use "
3697 "lost_tick_policy property of kvm-pit instead.\n");
3698 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3699 break;
3700 }
3701 case QEMU_OPTION_usb:
3702 olist = qemu_find_opts("machine");
3703 qemu_opts_parse(olist, "usb=on", 0);
3704 break;
3705 case QEMU_OPTION_usbdevice:
3706 olist = qemu_find_opts("machine");
3707 qemu_opts_parse(olist, "usb=on", 0);
3708 add_device_config(DEV_USB, optarg);
3709 break;
3710 case QEMU_OPTION_device:
3711 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3712 exit(1);
3713 }
3714 break;
3715 case QEMU_OPTION_smp:
3716 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3717 exit(1);
3718 }
3719 break;
3720 case QEMU_OPTION_vnc:
3721 #ifdef CONFIG_VNC
3722 display_remote++;
3723 vnc_display = optarg;
3724 #else
3725 fprintf(stderr, "VNC support is disabled\n");
3726 exit(1);
3727 #endif
3728 break;
3729 case QEMU_OPTION_no_acpi:
3730 acpi_enabled = 0;
3731 break;
3732 case QEMU_OPTION_no_hpet:
3733 no_hpet = 1;
3734 break;
3735 case QEMU_OPTION_balloon:
3736 if (balloon_parse(optarg) < 0) {
3737 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3738 exit(1);
3739 }
3740 break;
3741 case QEMU_OPTION_no_reboot:
3742 no_reboot = 1;
3743 break;
3744 case QEMU_OPTION_no_shutdown:
3745 no_shutdown = 1;
3746 break;
3747 case QEMU_OPTION_show_cursor:
3748 cursor_hide = 0;
3749 break;
3750 case QEMU_OPTION_uuid:
3751 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3752 fprintf(stderr, "Fail to parse UUID string."
3753 " Wrong format.\n");
3754 exit(1);
3755 }
3756 qemu_uuid_set = true;
3757 break;
3758 case QEMU_OPTION_option_rom:
3759 if (nb_option_roms >= MAX_OPTION_ROMS) {
3760 fprintf(stderr, "Too many option ROMs\n");
3761 exit(1);
3762 }
3763 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3764 if (!opts) {
3765 exit(1);
3766 }
3767 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3768 option_rom[nb_option_roms].bootindex =
3769 qemu_opt_get_number(opts, "bootindex", -1);
3770 if (!option_rom[nb_option_roms].name) {
3771 fprintf(stderr, "Option ROM file is not specified\n");
3772 exit(1);
3773 }
3774 nb_option_roms++;
3775 break;
3776 case QEMU_OPTION_semihosting:
3777 semihosting_enabled = 1;
3778 break;
3779 case QEMU_OPTION_tdf:
3780 fprintf(stderr, "Warning: user space PIT time drift fix "
3781 "is no longer supported.\n");
3782 break;
3783 case QEMU_OPTION_name:
3784 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3785 if (!opts) {
3786 exit(1);
3787 }
3788 break;
3789 case QEMU_OPTION_prom_env:
3790 if (nb_prom_envs >= MAX_PROM_ENVS) {
3791 fprintf(stderr, "Too many prom variables\n");
3792 exit(1);
3793 }
3794 prom_envs[nb_prom_envs] = optarg;
3795 nb_prom_envs++;
3796 break;
3797 case QEMU_OPTION_old_param:
3798 old_param = 1;
3799 break;
3800 case QEMU_OPTION_clock:
3801 /* Clock options no longer exist. Keep this option for
3802 * backward compatibility.
3803 */
3804 break;
3805 case QEMU_OPTION_startdate:
3806 configure_rtc_date_offset(optarg, 1);
3807 break;
3808 case QEMU_OPTION_rtc:
3809 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3810 if (!opts) {
3811 exit(1);
3812 }
3813 configure_rtc(opts);
3814 break;
3815 case QEMU_OPTION_tb_size:
3816 tcg_tb_size = strtol(optarg, NULL, 0);
3817 if (tcg_tb_size < 0) {
3818 tcg_tb_size = 0;
3819 }
3820 break;
3821 case QEMU_OPTION_icount:
3822 icount_option = optarg;
3823 break;
3824 case QEMU_OPTION_incoming:
3825 incoming = optarg;
3826 runstate_set(RUN_STATE_INMIGRATE);
3827 break;
3828 case QEMU_OPTION_nodefaults:
3829 has_defaults = 0;
3830 break;
3831 case QEMU_OPTION_xen_domid:
3832 if (!(xen_available())) {
3833 printf("Option %s not supported for this target\n", popt->name);
3834 exit(1);
3835 }
3836 xen_domid = atoi(optarg);
3837 break;
3838 case QEMU_OPTION_xen_create:
3839 if (!(xen_available())) {
3840 printf("Option %s not supported for this target\n", popt->name);
3841 exit(1);
3842 }
3843 xen_mode = XEN_CREATE;
3844 break;
3845 case QEMU_OPTION_xen_attach:
3846 if (!(xen_available())) {
3847 printf("Option %s not supported for this target\n", popt->name);
3848 exit(1);
3849 }
3850 xen_mode = XEN_ATTACH;
3851 break;
3852 case QEMU_OPTION_trace:
3853 {
3854 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3855 if (!opts) {
3856 exit(1);
3857 }
3858 trace_events = qemu_opt_get(opts, "events");
3859 trace_file = qemu_opt_get(opts, "file");
3860 break;
3861 }
3862 case QEMU_OPTION_readconfig:
3863 {
3864 int ret = qemu_read_config_file(optarg);
3865 if (ret < 0) {
3866 fprintf(stderr, "read config %s: %s\n", optarg,
3867 strerror(-ret));
3868 exit(1);
3869 }
3870 break;
3871 }
3872 case QEMU_OPTION_spice:
3873 olist = qemu_find_opts("spice");
3874 if (!olist) {
3875 fprintf(stderr, "spice is not supported by this qemu build.\n");
3876 exit(1);
3877 }
3878 opts = qemu_opts_parse(olist, optarg, 0);
3879 if (!opts) {
3880 exit(1);
3881 }
3882 display_remote++;
3883 break;
3884 case QEMU_OPTION_writeconfig:
3885 {
3886 FILE *fp;
3887 if (strcmp(optarg, "-") == 0) {
3888 fp = stdout;
3889 } else {
3890 fp = fopen(optarg, "w");
3891 if (fp == NULL) {
3892 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3893 exit(1);
3894 }
3895 }
3896 qemu_config_write(fp);
3897 if (fp != stdout) {
3898 fclose(fp);
3899 }
3900 break;
3901 }
3902 case QEMU_OPTION_qtest:
3903 qtest_chrdev = optarg;
3904 break;
3905 case QEMU_OPTION_qtest_log:
3906 qtest_log = optarg;
3907 break;
3908 case QEMU_OPTION_sandbox:
3909 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3910 if (!opts) {
3911 exit(1);
3912 }
3913 break;
3914 case QEMU_OPTION_add_fd:
3915 #ifndef _WIN32
3916 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3917 if (!opts) {
3918 exit(1);
3919 }
3920 #else
3921 error_report("File descriptor passing is disabled on this "
3922 "platform");
3923 exit(1);
3924 #endif
3925 break;
3926 case QEMU_OPTION_object:
3927 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3928 if (!opts) {
3929 exit(1);
3930 }
3931 break;
3932 case QEMU_OPTION_realtime:
3933 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3934 if (!opts) {
3935 exit(1);
3936 }
3937 configure_realtime(opts);
3938 break;
3939 case QEMU_OPTION_msg:
3940 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3941 if (!opts) {
3942 exit(1);
3943 }
3944 configure_msg(opts);
3945 break;
3946 case QEMU_OPTION_dump_vmstate:
3947 vmstate_dump_file = fopen(optarg, "w");
3948 if (vmstate_dump_file == NULL) {
3949 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3950 exit(1);
3951 }
3952 break;
3953 default:
3954 os_parse_cmd_args(popt->index, optarg);
3955 }
3956 }
3957 }
3958 loc_set_none();
3959
3960 os_daemonize();
3961
3962 if (qemu_init_main_loop()) {
3963 fprintf(stderr, "qemu_init_main_loop failed\n");
3964 exit(1);
3965 }
3966
3967 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3968 exit(1);
3969 }
3970
3971 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3972 exit(1);
3973 }
3974
3975 #ifndef _WIN32
3976 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3977 exit(1);
3978 }
3979
3980 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3981 exit(1);
3982 }
3983 #endif
3984
3985 if (machine_class == NULL) {
3986 fprintf(stderr, "No machine specified, and there is no default.\n"
3987 "Use -machine help to list supported machines!\n");
3988 exit(1);
3989 }
3990
3991 current_machine = MACHINE(object_new(object_class_get_name(
3992 OBJECT_CLASS(machine_class))));
3993 object_property_add_child(object_get_root(), "machine",
3994 OBJECT(current_machine), &error_abort);
3995 cpu_exec_init_all();
3996
3997 if (machine_class->hw_version) {
3998 qemu_set_version(machine_class->hw_version);
3999 }
4000
4001 if (qemu_opts_foreach(qemu_find_opts("object"),
4002 object_create, NULL, 0) != 0) {
4003 exit(1);
4004 }
4005
4006 /* Init CPU def lists, based on config
4007 * - Must be called after all the qemu_read_config_file() calls
4008 * - Must be called before list_cpus()
4009 * - Must be called before machine->init()
4010 */
4011 cpudef_init();
4012
4013 if (cpu_model && is_help_option(cpu_model)) {
4014 list_cpus(stdout, &fprintf, cpu_model);
4015 exit(0);
4016 }
4017
4018 /* Open the logfile at this point, if necessary. We can't open the logfile
4019 * when encountering either of the logging options (-d or -D) because the
4020 * other one may be encountered later on the command line, changing the
4021 * location or level of logging.
4022 */
4023 if (log_mask) {
4024 int mask;
4025 if (log_file) {
4026 qemu_set_log_filename(log_file);
4027 }
4028
4029 mask = qemu_str_to_log_mask(log_mask);
4030 if (!mask) {
4031 qemu_print_log_usage(stdout);
4032 exit(1);
4033 }
4034 qemu_set_log(mask);
4035 }
4036
4037 if (!is_daemonized()) {
4038 if (!trace_init_backends(trace_events, trace_file)) {
4039 exit(1);
4040 }
4041 }
4042
4043 /* If no data_dir is specified then try to find it relative to the
4044 executable path. */
4045 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4046 data_dir[data_dir_idx] = os_find_datadir();
4047 if (data_dir[data_dir_idx] != NULL) {
4048 data_dir_idx++;
4049 }
4050 }
4051 /* If all else fails use the install path specified when building. */
4052 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4053 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4054 }
4055
4056 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4057
4058 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4059 if (smp_cpus > machine_class->max_cpus) {
4060 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4061 "supported by machine `%s' (%d)\n", smp_cpus,
4062 machine_class->name, machine_class->max_cpus);
4063 exit(1);
4064 }
4065
4066 /*
4067 * Get the default machine options from the machine if it is not already
4068 * specified either by the configuration file or by the command line.
4069 */
4070 if (machine_class->default_machine_opts) {
4071 qemu_opts_set_defaults(qemu_find_opts("machine"),
4072 machine_class->default_machine_opts, 0);
4073 }
4074
4075 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
4076 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
4077
4078 if (!vga_model && !default_vga) {
4079 vga_interface_type = VGA_DEVICE;
4080 }
4081 if (!has_defaults || machine_class->no_serial) {
4082 default_serial = 0;
4083 }
4084 if (!has_defaults || machine_class->no_parallel) {
4085 default_parallel = 0;
4086 }
4087 if (!has_defaults || !machine_class->use_virtcon) {
4088 default_virtcon = 0;
4089 }
4090 if (!has_defaults || !machine_class->use_sclp) {
4091 default_sclp = 0;
4092 }
4093 if (!has_defaults || machine_class->no_floppy) {
4094 default_floppy = 0;
4095 }
4096 if (!has_defaults || machine_class->no_cdrom) {
4097 default_cdrom = 0;
4098 }
4099 if (!has_defaults || machine_class->no_sdcard) {
4100 default_sdcard = 0;
4101 }
4102 if (!has_defaults) {
4103 default_monitor = 0;
4104 default_net = 0;
4105 default_vga = 0;
4106 }
4107
4108 if (is_daemonized()) {
4109 /* According to documentation and historically, -nographic redirects
4110 * serial port, parallel port and monitor to stdio, which does not work
4111 * with -daemonize. We can redirect these to null instead, but since
4112 * -nographic is legacy, let's just error out.
4113 * We disallow -nographic only if all other ports are not redirected
4114 * explicitly, to not break existing legacy setups which uses
4115 * -nographic _and_ redirects all ports explicitly - this is valid
4116 * usage, -nographic is just a no-op in this case.
4117 */
4118 if (display_type == DT_NOGRAPHIC
4119 && (default_parallel || default_serial
4120 || default_monitor || default_virtcon)) {
4121 fprintf(stderr, "-nographic can not be used with -daemonize\n");
4122 exit(1);
4123 }
4124 #ifdef CONFIG_CURSES
4125 if (display_type == DT_CURSES) {
4126 fprintf(stderr, "curses display can not be used with -daemonize\n");
4127 exit(1);
4128 }
4129 #endif
4130 }
4131
4132 if (display_type == DT_NOGRAPHIC) {
4133 if (default_parallel)
4134 add_device_config(DEV_PARALLEL, "null");
4135 if (default_serial && default_monitor) {
4136 add_device_config(DEV_SERIAL, "mon:stdio");
4137 } else if (default_virtcon && default_monitor) {
4138 add_device_config(DEV_VIRTCON, "mon:stdio");
4139 } else if (default_sclp && default_monitor) {
4140 add_device_config(DEV_SCLP, "mon:stdio");
4141 } else {
4142 if (default_serial)
4143 add_device_config(DEV_SERIAL, "stdio");
4144 if (default_virtcon)
4145 add_device_config(DEV_VIRTCON, "stdio");
4146 if (default_sclp) {
4147 add_device_config(DEV_SCLP, "stdio");
4148 }
4149 if (default_monitor)
4150 monitor_parse("stdio", "readline");
4151 }
4152 } else {
4153 if (default_serial)
4154 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4155 if (default_parallel)
4156 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4157 if (default_monitor)
4158 monitor_parse("vc:80Cx24C", "readline");
4159 if (default_virtcon)
4160 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4161 if (default_sclp) {
4162 add_device_config(DEV_SCLP, "vc:80Cx24C");
4163 }
4164 }
4165
4166 if (display_type == DT_DEFAULT && !display_remote) {
4167 #if defined(CONFIG_GTK)
4168 display_type = DT_GTK;
4169 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4170 display_type = DT_SDL;
4171 #elif defined(CONFIG_VNC)
4172 vnc_display = "localhost:0,to=99";
4173 show_vnc_port = 1;
4174 #else
4175 display_type = DT_NONE;
4176 #endif
4177 }
4178
4179 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4180 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4181 "for SDL, ignoring option\n");
4182 }
4183 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4184 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4185 "ignoring option\n");
4186 }
4187
4188 #if defined(CONFIG_GTK)
4189 if (display_type == DT_GTK) {
4190 early_gtk_display_init();
4191 }
4192 #endif
4193
4194 socket_init();
4195
4196 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4197 exit(1);
4198 #ifdef CONFIG_VIRTFS
4199 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4200 exit(1);
4201 }
4202 #endif
4203
4204 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4205 os_pidfile_error();
4206 exit(1);
4207 }
4208
4209 /* store value for the future use */
4210 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4211
4212 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4213 != 0) {
4214 exit(0);
4215 }
4216
4217 machine_opts = qemu_get_machine_opts();
4218 if (qemu_opt_foreach(machine_opts, object_set_property, current_machine,
4219 1) < 0) {
4220 object_unref(OBJECT(current_machine));
4221 exit(1);
4222 }
4223
4224 configure_accelerator(machine_class);
4225
4226 if (qtest_chrdev) {
4227 Error *local_err = NULL;
4228 qtest_init(qtest_chrdev, qtest_log, &local_err);
4229 if (local_err) {
4230 error_report("%s", error_get_pretty(local_err));
4231 error_free(local_err);
4232 exit(1);
4233 }
4234 }
4235
4236 machine_opts = qemu_get_machine_opts();
4237 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4238 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4239 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4240 bios_name = qemu_opt_get(machine_opts, "firmware");
4241
4242 boot_order = machine_class->default_boot_order;
4243 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4244 if (opts) {
4245 char *normal_boot_order;
4246 const char *order, *once;
4247
4248 order = qemu_opt_get(opts, "order");
4249 if (order) {
4250 validate_bootdevices(order);
4251 boot_order = order;
4252 }
4253
4254 once = qemu_opt_get(opts, "once");
4255 if (once) {
4256 validate_bootdevices(once);
4257 normal_boot_order = g_strdup(boot_order);
4258 boot_order = once;
4259 qemu_register_reset(restore_boot_order, normal_boot_order);
4260 }
4261
4262 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4263 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4264 }
4265
4266 if (!kernel_cmdline) {
4267 kernel_cmdline = "";
4268 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4269 }
4270
4271 linux_boot = (kernel_filename != NULL);
4272
4273 if (!linux_boot && *kernel_cmdline != '\0') {
4274 fprintf(stderr, "-append only allowed with -kernel option\n");
4275 exit(1);
4276 }
4277
4278 if (!linux_boot && initrd_filename != NULL) {
4279 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4280 exit(1);
4281 }
4282
4283 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4284 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4285 exit(1);
4286 }
4287
4288 os_set_line_buffering();
4289
4290 qemu_init_cpu_loop();
4291 qemu_mutex_lock_iothread();
4292
4293 #ifdef CONFIG_SPICE
4294 /* spice needs the timers to be initialized by this point */
4295 qemu_spice_init();
4296 #endif
4297
4298 if (icount_option && (kvm_enabled() || xen_enabled())) {
4299 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4300 exit(1);
4301 }
4302 configure_icount(icount_option);
4303
4304 /* clean up network at qemu process termination */
4305 atexit(&net_cleanup);
4306
4307 if (net_init_clients() < 0) {
4308 exit(1);
4309 }
4310
4311 #ifdef CONFIG_TPM
4312 if (tpm_init() < 0) {
4313 exit(1);
4314 }
4315 #endif
4316
4317 /* init the bluetooth world */
4318 if (foreach_device_config(DEV_BT, bt_parse))
4319 exit(1);
4320
4321 if (!xen_enabled()) {
4322 /* On 32-bit hosts, QEMU is limited by virtual address space */
4323 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4324 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4325 exit(1);
4326 }
4327 }
4328
4329 blk_mig_init();
4330 ram_mig_init();
4331
4332 /* open the virtual block devices */
4333 if (snapshot)
4334 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4335 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4336 &machine_class->block_default_type, 1) != 0) {
4337 exit(1);
4338 }
4339
4340 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4341 CDROM_OPTS);
4342 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4343 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4344
4345 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4346 NULL, 1) != 0) {
4347 exit(1);
4348 }
4349
4350 set_numa_nodes();
4351
4352 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4353 exit(1);
4354 }
4355
4356 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4357 exit(1);
4358 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4359 exit(1);
4360 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4361 exit(1);
4362 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4363 exit(1);
4364 }
4365 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4366 exit(1);
4367
4368 /* If no default VGA is requested, the default is "none". */
4369 if (default_vga) {
4370 if (cirrus_vga_available()) {
4371 vga_model = "cirrus";
4372 } else if (vga_available()) {
4373 vga_model = "std";
4374 }
4375 }
4376 if (vga_model) {
4377 select_vgahw(vga_model);
4378 }
4379
4380 if (watchdog) {
4381 i = select_watchdog(watchdog);
4382 if (i > 0)
4383 exit (i == 1 ? 1 : 0);
4384 }
4385
4386 if (machine_class->compat_props) {
4387 qdev_prop_register_global_list(machine_class->compat_props);
4388 }
4389 qemu_add_globals();
4390
4391 qdev_machine_init();
4392
4393 current_machine->ram_size = ram_size;
4394 current_machine->maxram_size = maxram_size;
4395 current_machine->ram_slots = ram_slots;
4396 current_machine->boot_order = boot_order;
4397 current_machine->cpu_model = cpu_model;
4398
4399 machine_class->init(current_machine);
4400
4401 audio_init();
4402
4403 cpu_synchronize_all_post_init();
4404
4405 set_numa_modes();
4406
4407 /* init USB devices */
4408 if (usb_enabled(false)) {
4409 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4410 exit(1);
4411 }
4412
4413 /* init generic devices */
4414 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4415 exit(1);
4416
4417 net_check_clients();
4418
4419 ds = init_displaystate();
4420
4421 /* init local displays */
4422 switch (display_type) {
4423 case DT_NOGRAPHIC:
4424 (void)ds; /* avoid warning if no display is configured */
4425 break;
4426 #if defined(CONFIG_CURSES)
4427 case DT_CURSES:
4428 curses_display_init(ds, full_screen);
4429 break;
4430 #endif
4431 #if defined(CONFIG_SDL)
4432 case DT_SDL:
4433 sdl_display_init(ds, full_screen, no_frame);
4434 break;
4435 #elif defined(CONFIG_COCOA)
4436 case DT_SDL:
4437 cocoa_display_init(ds, full_screen);
4438 break;
4439 #endif
4440 #if defined(CONFIG_GTK)
4441 case DT_GTK:
4442 gtk_display_init(ds, full_screen, grab_on_hover);
4443 break;
4444 #endif
4445 default:
4446 break;
4447 }
4448
4449 /* must be after terminal init, SDL library changes signal handlers */
4450 os_setup_signal_handling();
4451
4452 #ifdef CONFIG_VNC
4453 /* init remote displays */
4454 if (vnc_display) {
4455 Error *local_err = NULL;
4456 vnc_display_init(ds);
4457 vnc_display_open(ds, vnc_display, &local_err);
4458 if (local_err != NULL) {
4459 error_report("Failed to start VNC server on `%s': %s",
4460 vnc_display, error_get_pretty(local_err));
4461 error_free(local_err);
4462 exit(1);
4463 }
4464
4465 if (show_vnc_port) {
4466 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4467 }
4468 }
4469 #endif
4470 #ifdef CONFIG_SPICE
4471 if (using_spice) {
4472 qemu_spice_display_init();
4473 }
4474 #endif
4475
4476 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4477 exit(1);
4478 }
4479
4480 qdev_machine_creation_done();
4481
4482 if (rom_load_all() != 0) {
4483 fprintf(stderr, "rom loading failed\n");
4484 exit(1);
4485 }
4486
4487 /* TODO: once all bus devices are qdevified, this should be done
4488 * when bus is created by qdev.c */
4489 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4490 qemu_run_machine_init_done_notifiers();
4491
4492 /* Done notifiers can load ROMs */
4493 rom_load_done();
4494
4495 qemu_system_reset(VMRESET_SILENT);
4496 if (loadvm) {
4497 if (load_vmstate(loadvm) < 0) {
4498 autostart = 0;
4499 }
4500 }
4501
4502 qdev_prop_check_global();
4503 if (vmstate_dump_file) {
4504 /* dump and exit */
4505 dump_vmstate_json_to_file(vmstate_dump_file);
4506 return 0;
4507 }
4508
4509 if (incoming) {
4510 Error *local_err = NULL;
4511 qemu_start_incoming_migration(incoming, &local_err);
4512 if (local_err) {
4513 error_report("-incoming %s: %s", incoming,
4514 error_get_pretty(local_err));
4515 error_free(local_err);
4516 exit(1);
4517 }
4518 } else if (autostart) {
4519 vm_start();
4520 }
4521
4522 os_setup_post();
4523
4524 if (is_daemonized()) {
4525 if (!trace_init_backends(trace_events, trace_file)) {
4526 exit(1);
4527 }
4528 }
4529
4530 main_loop();
4531 bdrv_close_all();
4532 pause_all_vcpus();
4533 res_free();
4534 #ifdef CONFIG_TPM
4535 tpm_cleanup();
4536 #endif
4537
4538 return 0;
4539 }
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