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vl: add missing transition debug->finish_migrate
[qemu-kvm.git] / vl.c
blob0f6754561e36ae671ae12643f336bb736564bbc2
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 #include <zlib.h>
31 #include "qemu/bitmap.h"
32
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
35
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66
67 #ifdef CONFIG_SECCOMP
68 #include "sysemu/seccomp.h"
69 #endif
70
71 #ifdef __sun__
72 #include <sys/stat.h>
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
81 #include <net/if.h>
82 #include <syslog.h>
83 #include <stropts.h>
84 #endif
85 #endif
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include <glib.h>
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/i386/pc.h"
121 #include "hw/isa/isa.h"
122 #include "hw/bt.h"
123 #include "sysemu/watchdog.h"
124 #include "hw/i386/smbios.h"
125 #include "hw/xen/xen.h"
126 #include "hw/qdev.h"
127 #include "hw/loader.h"
128 #include "monitor/qdev.h"
129 #include "sysemu/bt.h"
130 #include "net/net.h"
131 #include "net/slirp.h"
132 #include "monitor/monitor.h"
133 #include "ui/console.h"
134 #include "sysemu/sysemu.h"
135 #include "exec/gdbstub.h"
136 #include "qemu/timer.h"
137 #include "sysemu/char.h"
138 #include "qemu/cache-utils.h"
139 #include "sysemu/blockdev.h"
140 #include "hw/block/block.h"
141 #include "migration/block.h"
142 #include "sysemu/tpm.h"
143 #include "sysemu/dma.h"
144 #include "audio/audio.h"
145 #include "migration/migration.h"
146 #include "sysemu/kvm.h"
147 #include "qapi/qmp/qjson.h"
148 #include "qemu/option.h"
149 #include "qemu/config-file.h"
150 #include "qemu-options.h"
151 #include "qmp-commands.h"
152 #include "qemu/main-loop.h"
153 #ifdef CONFIG_VIRTFS
154 #include "fsdev/qemu-fsdev.h"
155 #endif
156 #include "sysemu/qtest.h"
157
158 #include "disas/disas.h"
159
160 #include "qemu/sockets.h"
161
162 #include "slirp/libslirp.h"
163
164 #include "trace.h"
165 #include "trace/control.h"
166 #include "qemu/queue.h"
167 #include "sysemu/cpus.h"
168 #include "sysemu/arch_init.h"
169 #include "qemu/osdep.h"
170
171 #include "ui/qemu-spice.h"
172 #include "qapi/string-input-visitor.h"
173
174 //#define DEBUG_NET
175 //#define DEBUG_SLIRP
176
177 #define DEFAULT_RAM_SIZE 128
178
179 #define MAX_VIRTIO_CONSOLES 1
180 #define MAX_SCLP_CONSOLES 1
181
182 static const char *data_dir[16];
183 static int data_dir_idx;
184 const char *bios_name = NULL;
185 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
186 DisplayType display_type = DT_DEFAULT;
187 static int display_remote;
188 const char* keyboard_layout = NULL;
189 ram_addr_t ram_size;
190 const char *mem_path = NULL;
191 int mem_prealloc = 0; /* force preallocation of physical target memory */
192 int nb_nics;
193 NICInfo nd_table[MAX_NICS];
194 int autostart;
195 static int rtc_utc = 1;
196 static int rtc_date_offset = -1; /* -1 means no change */
197 QEMUClockType rtc_clock;
198 int vga_interface_type = VGA_NONE;
199 static int full_screen = 0;
200 static int no_frame = 0;
201 int no_quit = 0;
202 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
203 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
204 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
205 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
206 int win2k_install_hack = 0;
207 int singlestep = 0;
208 int smp_cpus = 1;
209 int max_cpus = 0;
210 int smp_cores = 1;
211 int smp_threads = 1;
212 #ifdef CONFIG_VNC
213 const char *vnc_display;
214 #endif
215 int acpi_enabled = 1;
216 int no_hpet = 0;
217 int fd_bootchk = 1;
218 static int no_reboot;
219 int no_shutdown = 0;
220 int cursor_hide = 1;
221 int graphic_rotate = 0;
222 const char *watchdog;
223 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
224 int nb_option_roms;
225 int semihosting_enabled = 0;
226 int old_param = 0;
227 const char *qemu_name;
228 int alt_grab = 0;
229 int ctrl_grab = 0;
230 unsigned int nb_prom_envs = 0;
231 const char *prom_envs[MAX_PROM_ENVS];
232 int boot_menu;
233 bool boot_strict;
234 uint8_t *boot_splash_filedata;
235 size_t boot_splash_filedata_size;
236 uint8_t qemu_extra_params_fw[2];
237
238 typedef struct FWBootEntry FWBootEntry;
239
240 struct FWBootEntry {
241 QTAILQ_ENTRY(FWBootEntry) link;
242 int32_t bootindex;
243 DeviceState *dev;
244 char *suffix;
245 };
246
247 static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
248 QTAILQ_HEAD_INITIALIZER(fw_boot_order);
249
250 int nb_numa_nodes;
251 uint64_t node_mem[MAX_NODES];
252 unsigned long *node_cpumask[MAX_NODES];
253
254 uint8_t qemu_uuid[16];
255 bool qemu_uuid_set;
256
257 static QEMUBootSetHandler *boot_set_handler;
258 static void *boot_set_opaque;
259
260 static NotifierList exit_notifiers =
261 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
262
263 static NotifierList machine_init_done_notifiers =
264 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
265
266 static bool tcg_allowed = true;
267 bool xen_allowed;
268 uint32_t xen_domid;
269 enum xen_mode xen_mode = XEN_EMULATE;
270 static int tcg_tb_size;
271
272 static int default_serial = 1;
273 static int default_parallel = 1;
274 static int default_virtcon = 1;
275 static int default_sclp = 1;
276 static int default_monitor = 1;
277 static int default_floppy = 1;
278 static int default_cdrom = 1;
279 static int default_sdcard = 1;
280 static int default_vga = 1;
281
282 static struct {
283 const char *driver;
284 int *flag;
285 } default_list[] = {
286 { .driver = "isa-serial", .flag = &default_serial },
287 { .driver = "isa-parallel", .flag = &default_parallel },
288 { .driver = "isa-fdc", .flag = &default_floppy },
289 { .driver = "ide-cd", .flag = &default_cdrom },
290 { .driver = "ide-hd", .flag = &default_cdrom },
291 { .driver = "ide-drive", .flag = &default_cdrom },
292 { .driver = "scsi-cd", .flag = &default_cdrom },
293 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
294 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
295 { .driver = "virtio-serial", .flag = &default_virtcon },
296 { .driver = "VGA", .flag = &default_vga },
297 { .driver = "isa-vga", .flag = &default_vga },
298 { .driver = "cirrus-vga", .flag = &default_vga },
299 { .driver = "isa-cirrus-vga", .flag = &default_vga },
300 { .driver = "vmware-svga", .flag = &default_vga },
301 { .driver = "qxl-vga", .flag = &default_vga },
302 };
303
304 static QemuOptsList qemu_rtc_opts = {
305 .name = "rtc",
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
307 .desc = {
308 {
309 .name = "base",
310 .type = QEMU_OPT_STRING,
311 },{
312 .name = "clock",
313 .type = QEMU_OPT_STRING,
314 },{
315 .name = "driftfix",
316 .type = QEMU_OPT_STRING,
317 },
318 { /* end of list */ }
319 },
320 };
321
322 static QemuOptsList qemu_sandbox_opts = {
323 .name = "sandbox",
324 .implied_opt_name = "enable",
325 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
326 .desc = {
327 {
328 .name = "enable",
329 .type = QEMU_OPT_BOOL,
330 },
331 { /* end of list */ }
332 },
333 };
334
335 static QemuOptsList qemu_trace_opts = {
336 .name = "trace",
337 .implied_opt_name = "trace",
338 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
339 .desc = {
340 {
341 .name = "events",
342 .type = QEMU_OPT_STRING,
343 },{
344 .name = "file",
345 .type = QEMU_OPT_STRING,
346 },
347 { /* end of list */ }
348 },
349 };
350
351 static QemuOptsList qemu_option_rom_opts = {
352 .name = "option-rom",
353 .implied_opt_name = "romfile",
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
355 .desc = {
356 {
357 .name = "bootindex",
358 .type = QEMU_OPT_NUMBER,
359 }, {
360 .name = "romfile",
361 .type = QEMU_OPT_STRING,
362 },
363 { /* end of list */ }
364 },
365 };
366
367 static QemuOptsList qemu_machine_opts = {
368 .name = "machine",
369 .implied_opt_name = "type",
370 .merge_lists = true,
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
372 .desc = {
373 {
374 .name = "type",
375 .type = QEMU_OPT_STRING,
376 .help = "emulated machine"
377 }, {
378 .name = "accel",
379 .type = QEMU_OPT_STRING,
380 .help = "accelerator list",
381 }, {
382 .name = "kernel_irqchip",
383 .type = QEMU_OPT_BOOL,
384 .help = "use KVM in-kernel irqchip",
385 }, {
386 .name = "kvm_shadow_mem",
387 .type = QEMU_OPT_SIZE,
388 .help = "KVM shadow MMU size",
389 }, {
390 .name = "kernel",
391 .type = QEMU_OPT_STRING,
392 .help = "Linux kernel image file",
393 }, {
394 .name = "initrd",
395 .type = QEMU_OPT_STRING,
396 .help = "Linux initial ramdisk file",
397 }, {
398 .name = "append",
399 .type = QEMU_OPT_STRING,
400 .help = "Linux kernel command line",
401 }, {
402 .name = "dtb",
403 .type = QEMU_OPT_STRING,
404 .help = "Linux kernel device tree file",
405 }, {
406 .name = "dumpdtb",
407 .type = QEMU_OPT_STRING,
408 .help = "Dump current dtb to a file and quit",
409 }, {
410 .name = "phandle_start",
411 .type = QEMU_OPT_NUMBER,
412 .help = "The first phandle ID we may generate dynamically",
413 }, {
414 .name = "dt_compatible",
415 .type = QEMU_OPT_STRING,
416 .help = "Overrides the \"compatible\" property of the dt root node",
417 }, {
418 .name = "dump-guest-core",
419 .type = QEMU_OPT_BOOL,
420 .help = "Include guest memory in a core dump",
421 }, {
422 .name = "mem-merge",
423 .type = QEMU_OPT_BOOL,
424 .help = "enable/disable memory merge support",
425 },{
426 .name = "usb",
427 .type = QEMU_OPT_BOOL,
428 .help = "Set on/off to enable/disable usb",
429 },{
430 .name = "firmware",
431 .type = QEMU_OPT_STRING,
432 .help = "firmware image",
433 },
434 { /* End of list */ }
435 },
436 };
437
438 static QemuOptsList qemu_boot_opts = {
439 .name = "boot-opts",
440 .implied_opt_name = "order",
441 .merge_lists = true,
442 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
443 .desc = {
444 {
445 .name = "order",
446 .type = QEMU_OPT_STRING,
447 }, {
448 .name = "once",
449 .type = QEMU_OPT_STRING,
450 }, {
451 .name = "menu",
452 .type = QEMU_OPT_BOOL,
453 }, {
454 .name = "splash",
455 .type = QEMU_OPT_STRING,
456 }, {
457 .name = "splash-time",
458 .type = QEMU_OPT_STRING,
459 }, {
460 .name = "reboot-timeout",
461 .type = QEMU_OPT_STRING,
462 }, {
463 .name = "strict",
464 .type = QEMU_OPT_STRING,
465 },
466 { /*End of list */ }
467 },
468 };
469
470 static QemuOptsList qemu_add_fd_opts = {
471 .name = "add-fd",
472 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
473 .desc = {
474 {
475 .name = "fd",
476 .type = QEMU_OPT_NUMBER,
477 .help = "file descriptor of which a duplicate is added to fd set",
478 },{
479 .name = "set",
480 .type = QEMU_OPT_NUMBER,
481 .help = "ID of the fd set to add fd to",
482 },{
483 .name = "opaque",
484 .type = QEMU_OPT_STRING,
485 .help = "free-form string used to describe fd",
486 },
487 { /* end of list */ }
488 },
489 };
490
491 static QemuOptsList qemu_object_opts = {
492 .name = "object",
493 .implied_opt_name = "qom-type",
494 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
495 .desc = {
496 { }
497 },
498 };
499
500 static QemuOptsList qemu_tpmdev_opts = {
501 .name = "tpmdev",
502 .implied_opt_name = "type",
503 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
504 .desc = {
505 /* options are defined in the TPM backends */
506 { /* end of list */ }
507 },
508 };
509
510 static QemuOptsList qemu_realtime_opts = {
511 .name = "realtime",
512 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
513 .desc = {
514 {
515 .name = "mlock",
516 .type = QEMU_OPT_BOOL,
517 },
518 { /* end of list */ }
519 },
520 };
521
522 static QemuOptsList qemu_msg_opts = {
523 .name = "msg",
524 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
525 .desc = {
526 {
527 .name = "timestamp",
528 .type = QEMU_OPT_BOOL,
529 },
530 { /* end of list */ }
531 },
532 };
533
534 /**
535 * Get machine options
536 *
537 * Returns: machine options (never null).
538 */
539 QemuOpts *qemu_get_machine_opts(void)
540 {
541 QemuOptsList *list;
542 QemuOpts *opts;
543
544 list = qemu_find_opts("machine");
545 assert(list);
546 opts = qemu_opts_find(list, NULL);
547 if (!opts) {
548 opts = qemu_opts_create_nofail(list);
549 }
550 return opts;
551 }
552
553 const char *qemu_get_vm_name(void)
554 {
555 return qemu_name;
556 }
557
558 static void res_free(void)
559 {
560 if (boot_splash_filedata != NULL) {
561 g_free(boot_splash_filedata);
562 boot_splash_filedata = NULL;
563 }
564 }
565
566 static int default_driver_check(QemuOpts *opts, void *opaque)
567 {
568 const char *driver = qemu_opt_get(opts, "driver");
569 int i;
570
571 if (!driver)
572 return 0;
573 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
574 if (strcmp(default_list[i].driver, driver) != 0)
575 continue;
576 *(default_list[i].flag) = 0;
577 }
578 return 0;
579 }
580
581 /***********************************************************/
582 /* QEMU state */
583
584 static RunState current_run_state = RUN_STATE_PRELAUNCH;
585
586 typedef struct {
587 RunState from;
588 RunState to;
589 } RunStateTransition;
590
591 static const RunStateTransition runstate_transitions_def[] = {
592 /* from -> to */
593 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
594 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
595
596 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
597 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
598
599 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
601
602 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
603 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
604
605 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
606 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
607
608 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
610
611 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
612 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
614
615 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
617
618 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
619
620 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
621 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
622 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
623 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
624 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
626 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
627 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
628 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
629 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
630
631 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
632
633 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
634 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
635
636 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
637 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
638 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
639 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
640
641 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
642 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
643
644 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
645 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
646
647 { RUN_STATE_MAX, RUN_STATE_MAX },
648 };
649
650 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
651
652 bool runstate_check(RunState state)
653 {
654 return current_run_state == state;
655 }
656
657 static void runstate_init(void)
658 {
659 const RunStateTransition *p;
660
661 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
662
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
668 /* This function will abort() on invalid state transitions */
669 void runstate_set(RunState new_state)
670 {
671 assert(new_state < RUN_STATE_MAX);
672
673 if (!runstate_valid_transitions[current_run_state][new_state]) {
674 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
675 RunState_lookup[current_run_state],
676 RunState_lookup[new_state]);
677 abort();
678 }
679 trace_runstate_set(new_state);
680 current_run_state = new_state;
681 }
682
683 int runstate_is_running(void)
684 {
685 return runstate_check(RUN_STATE_RUNNING);
686 }
687
688 bool runstate_needs_reset(void)
689 {
690 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
691 runstate_check(RUN_STATE_SHUTDOWN);
692 }
693
694 StatusInfo *qmp_query_status(Error **errp)
695 {
696 StatusInfo *info = g_malloc0(sizeof(*info));
697
698 info->running = runstate_is_running();
699 info->singlestep = singlestep;
700 info->status = current_run_state;
701
702 return info;
703 }
704
705 /***********************************************************/
706 /* real time host monotonic timer */
707
708 /***********************************************************/
709 /* host time/date access */
710 void qemu_get_timedate(struct tm *tm, int offset)
711 {
712 time_t ti;
713
714 time(&ti);
715 ti += offset;
716 if (rtc_date_offset == -1) {
717 if (rtc_utc)
718 gmtime_r(&ti, tm);
719 else
720 localtime_r(&ti, tm);
721 } else {
722 ti -= rtc_date_offset;
723 gmtime_r(&ti, tm);
724 }
725 }
726
727 int qemu_timedate_diff(struct tm *tm)
728 {
729 time_t seconds;
730
731 if (rtc_date_offset == -1)
732 if (rtc_utc)
733 seconds = mktimegm(tm);
734 else {
735 struct tm tmp = *tm;
736 tmp.tm_isdst = -1; /* use timezone to figure it out */
737 seconds = mktime(&tmp);
738 }
739 else
740 seconds = mktimegm(tm) + rtc_date_offset;
741
742 return seconds - time(NULL);
743 }
744
745 void rtc_change_mon_event(struct tm *tm)
746 {
747 QObject *data;
748
749 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
750 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
751 qobject_decref(data);
752 }
753
754 static void configure_rtc_date_offset(const char *startdate, int legacy)
755 {
756 time_t rtc_start_date;
757 struct tm tm;
758
759 if (!strcmp(startdate, "now") && legacy) {
760 rtc_date_offset = -1;
761 } else {
762 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
763 &tm.tm_year,
764 &tm.tm_mon,
765 &tm.tm_mday,
766 &tm.tm_hour,
767 &tm.tm_min,
768 &tm.tm_sec) == 6) {
769 /* OK */
770 } else if (sscanf(startdate, "%d-%d-%d",
771 &tm.tm_year,
772 &tm.tm_mon,
773 &tm.tm_mday) == 3) {
774 tm.tm_hour = 0;
775 tm.tm_min = 0;
776 tm.tm_sec = 0;
777 } else {
778 goto date_fail;
779 }
780 tm.tm_year -= 1900;
781 tm.tm_mon--;
782 rtc_start_date = mktimegm(&tm);
783 if (rtc_start_date == -1) {
784 date_fail:
785 fprintf(stderr, "Invalid date format. Valid formats are:\n"
786 "'2006-06-17T16:01:21' or '2006-06-17'\n");
787 exit(1);
788 }
789 rtc_date_offset = time(NULL) - rtc_start_date;
790 }
791 }
792
793 static void configure_rtc(QemuOpts *opts)
794 {
795 const char *value;
796
797 value = qemu_opt_get(opts, "base");
798 if (value) {
799 if (!strcmp(value, "utc")) {
800 rtc_utc = 1;
801 } else if (!strcmp(value, "localtime")) {
802 rtc_utc = 0;
803 } else {
804 configure_rtc_date_offset(value, 0);
805 }
806 }
807 value = qemu_opt_get(opts, "clock");
808 if (value) {
809 if (!strcmp(value, "host")) {
810 rtc_clock = QEMU_CLOCK_HOST;
811 } else if (!strcmp(value, "rt")) {
812 rtc_clock = QEMU_CLOCK_REALTIME;
813 } else if (!strcmp(value, "vm")) {
814 rtc_clock = QEMU_CLOCK_VIRTUAL;
815 } else {
816 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
817 exit(1);
818 }
819 }
820 value = qemu_opt_get(opts, "driftfix");
821 if (value) {
822 if (!strcmp(value, "slew")) {
823 static GlobalProperty slew_lost_ticks[] = {
824 {
825 .driver = "mc146818rtc",
826 .property = "lost_tick_policy",
827 .value = "slew",
828 },
829 { /* end of list */ }
830 };
831
832 qdev_prop_register_global_list(slew_lost_ticks);
833 } else if (!strcmp(value, "none")) {
834 /* discard is default */
835 } else {
836 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
837 exit(1);
838 }
839 }
840 }
841
842 /***********************************************************/
843 /* Bluetooth support */
844 static int nb_hcis;
845 static int cur_hci;
846 static struct HCIInfo *hci_table[MAX_NICS];
847
848 struct HCIInfo *qemu_next_hci(void)
849 {
850 if (cur_hci == nb_hcis)
851 return &null_hci;
852
853 return hci_table[cur_hci++];
854 }
855
856 static int bt_hci_parse(const char *str)
857 {
858 struct HCIInfo *hci;
859 bdaddr_t bdaddr;
860
861 if (nb_hcis >= MAX_NICS) {
862 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
863 return -1;
864 }
865
866 hci = hci_init(str);
867 if (!hci)
868 return -1;
869
870 bdaddr.b[0] = 0x52;
871 bdaddr.b[1] = 0x54;
872 bdaddr.b[2] = 0x00;
873 bdaddr.b[3] = 0x12;
874 bdaddr.b[4] = 0x34;
875 bdaddr.b[5] = 0x56 + nb_hcis;
876 hci->bdaddr_set(hci, bdaddr.b);
877
878 hci_table[nb_hcis++] = hci;
879
880 return 0;
881 }
882
883 static void bt_vhci_add(int vlan_id)
884 {
885 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
886
887 if (!vlan->slave)
888 fprintf(stderr, "qemu: warning: adding a VHCI to "
889 "an empty scatternet %i\n", vlan_id);
890
891 bt_vhci_init(bt_new_hci(vlan));
892 }
893
894 static struct bt_device_s *bt_device_add(const char *opt)
895 {
896 struct bt_scatternet_s *vlan;
897 int vlan_id = 0;
898 char *endp = strstr(opt, ",vlan=");
899 int len = (endp ? endp - opt : strlen(opt)) + 1;
900 char devname[10];
901
902 pstrcpy(devname, MIN(sizeof(devname), len), opt);
903
904 if (endp) {
905 vlan_id = strtol(endp + 6, &endp, 0);
906 if (*endp) {
907 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
908 return 0;
909 }
910 }
911
912 vlan = qemu_find_bt_vlan(vlan_id);
913
914 if (!vlan->slave)
915 fprintf(stderr, "qemu: warning: adding a slave device to "
916 "an empty scatternet %i\n", vlan_id);
917
918 if (!strcmp(devname, "keyboard"))
919 return bt_keyboard_init(vlan);
920
921 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
922 return 0;
923 }
924
925 static int bt_parse(const char *opt)
926 {
927 const char *endp, *p;
928 int vlan;
929
930 if (strstart(opt, "hci", &endp)) {
931 if (!*endp || *endp == ',') {
932 if (*endp)
933 if (!strstart(endp, ",vlan=", 0))
934 opt = endp + 1;
935
936 return bt_hci_parse(opt);
937 }
938 } else if (strstart(opt, "vhci", &endp)) {
939 if (!*endp || *endp == ',') {
940 if (*endp) {
941 if (strstart(endp, ",vlan=", &p)) {
942 vlan = strtol(p, (char **) &endp, 0);
943 if (*endp) {
944 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
945 return 1;
946 }
947 } else {
948 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
949 return 1;
950 }
951 } else
952 vlan = 0;
953
954 bt_vhci_add(vlan);
955 return 0;
956 }
957 } else if (strstart(opt, "device:", &endp))
958 return !bt_device_add(endp);
959
960 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
961 return 1;
962 }
963
964 static int parse_sandbox(QemuOpts *opts, void *opaque)
965 {
966 /* FIXME: change this to true for 1.3 */
967 if (qemu_opt_get_bool(opts, "enable", false)) {
968 #ifdef CONFIG_SECCOMP
969 if (seccomp_start() < 0) {
970 qerror_report(ERROR_CLASS_GENERIC_ERROR,
971 "failed to install seccomp syscall filter in the kernel");
972 return -1;
973 }
974 #else
975 qerror_report(ERROR_CLASS_GENERIC_ERROR,
976 "sandboxing request but seccomp is not compiled into this build");
977 return -1;
978 #endif
979 }
980
981 return 0;
982 }
983
984 bool usb_enabled(bool default_usb)
985 {
986 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", default_usb);
987 }
988
989 #ifndef _WIN32
990 static int parse_add_fd(QemuOpts *opts, void *opaque)
991 {
992 int fd, dupfd, flags;
993 int64_t fdset_id;
994 const char *fd_opaque = NULL;
995
996 fd = qemu_opt_get_number(opts, "fd", -1);
997 fdset_id = qemu_opt_get_number(opts, "set", -1);
998 fd_opaque = qemu_opt_get(opts, "opaque");
999
1000 if (fd < 0) {
1001 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1002 "fd option is required and must be non-negative");
1003 return -1;
1004 }
1005
1006 if (fd <= STDERR_FILENO) {
1007 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1008 "fd cannot be a standard I/O stream");
1009 return -1;
1010 }
1011
1012 /*
1013 * All fds inherited across exec() necessarily have FD_CLOEXEC
1014 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1015 */
1016 flags = fcntl(fd, F_GETFD);
1017 if (flags == -1 || (flags & FD_CLOEXEC)) {
1018 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1019 "fd is not valid or already in use");
1020 return -1;
1021 }
1022
1023 if (fdset_id < 0) {
1024 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1025 "set option is required and must be non-negative");
1026 return -1;
1027 }
1028
1029 #ifdef F_DUPFD_CLOEXEC
1030 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1031 #else
1032 dupfd = dup(fd);
1033 if (dupfd != -1) {
1034 qemu_set_cloexec(dupfd);
1035 }
1036 #endif
1037 if (dupfd == -1) {
1038 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1039 "Error duplicating fd: %s", strerror(errno));
1040 return -1;
1041 }
1042
1043 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1044 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1045 fd_opaque, NULL);
1046
1047 return 0;
1048 }
1049
1050 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1051 {
1052 int fd;
1053
1054 fd = qemu_opt_get_number(opts, "fd", -1);
1055 close(fd);
1056
1057 return 0;
1058 }
1059 #endif
1060
1061 /***********************************************************/
1062 /* QEMU Block devices */
1063
1064 #define HD_OPTS "media=disk"
1065 #define CDROM_OPTS "media=cdrom"
1066 #define FD_OPTS ""
1067 #define PFLASH_OPTS ""
1068 #define MTD_OPTS ""
1069 #define SD_OPTS ""
1070
1071 static int drive_init_func(QemuOpts *opts, void *opaque)
1072 {
1073 BlockInterfaceType *block_default_type = opaque;
1074
1075 return drive_init(opts, *block_default_type) == NULL;
1076 }
1077
1078 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1079 {
1080 if (NULL == qemu_opt_get(opts, "snapshot")) {
1081 qemu_opt_set(opts, "snapshot", "on");
1082 }
1083 return 0;
1084 }
1085
1086 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1087 int index, const char *optstr)
1088 {
1089 QemuOpts *opts;
1090
1091 if (!enable || drive_get_by_index(type, index)) {
1092 return;
1093 }
1094
1095 opts = drive_add(type, index, NULL, optstr);
1096 if (snapshot) {
1097 drive_enable_snapshot(opts, NULL);
1098 }
1099 if (!drive_init(opts, type)) {
1100 exit(1);
1101 }
1102 }
1103
1104 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1105 {
1106 boot_set_handler = func;
1107 boot_set_opaque = opaque;
1108 }
1109
1110 int qemu_boot_set(const char *boot_order)
1111 {
1112 if (!boot_set_handler) {
1113 return -EINVAL;
1114 }
1115 return boot_set_handler(boot_set_opaque, boot_order);
1116 }
1117
1118 static void validate_bootdevices(const char *devices)
1119 {
1120 /* We just do some generic consistency checks */
1121 const char *p;
1122 int bitmap = 0;
1123
1124 for (p = devices; *p != '\0'; p++) {
1125 /* Allowed boot devices are:
1126 * a-b: floppy disk drives
1127 * c-f: IDE disk drives
1128 * g-m: machine implementation dependent drives
1129 * n-p: network devices
1130 * It's up to each machine implementation to check if the given boot
1131 * devices match the actual hardware implementation and firmware
1132 * features.
1133 */
1134 if (*p < 'a' || *p > 'p') {
1135 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1136 exit(1);
1137 }
1138 if (bitmap & (1 << (*p - 'a'))) {
1139 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1140 exit(1);
1141 }
1142 bitmap |= 1 << (*p - 'a');
1143 }
1144 }
1145
1146 static void restore_boot_order(void *opaque)
1147 {
1148 char *normal_boot_order = opaque;
1149 static int first = 1;
1150
1151 /* Restore boot order and remove ourselves after the first boot */
1152 if (first) {
1153 first = 0;
1154 return;
1155 }
1156
1157 qemu_boot_set(normal_boot_order);
1158
1159 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1160 g_free(normal_boot_order);
1161 }
1162
1163 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
1164 const char *suffix)
1165 {
1166 FWBootEntry *node, *i;
1167
1168 if (bootindex < 0) {
1169 return;
1170 }
1171
1172 assert(dev != NULL || suffix != NULL);
1173
1174 node = g_malloc0(sizeof(FWBootEntry));
1175 node->bootindex = bootindex;
1176 node->suffix = g_strdup(suffix);
1177 node->dev = dev;
1178
1179 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1180 if (i->bootindex == bootindex) {
1181 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1182 exit(1);
1183 } else if (i->bootindex < bootindex) {
1184 continue;
1185 }
1186 QTAILQ_INSERT_BEFORE(i, node, link);
1187 return;
1188 }
1189 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1190 }
1191
1192 DeviceState *get_boot_device(uint32_t position)
1193 {
1194 uint32_t counter = 0;
1195 FWBootEntry *i = NULL;
1196 DeviceState *res = NULL;
1197
1198 if (!QTAILQ_EMPTY(&fw_boot_order)) {
1199 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1200 if (counter == position) {
1201 res = i->dev;
1202 break;
1203 }
1204 counter++;
1205 }
1206 }
1207 return res;
1208 }
1209
1210 /*
1211 * This function returns null terminated string that consist of new line
1212 * separated device paths.
1213 *
1214 * memory pointed by "size" is assigned total length of the array in bytes
1215 *
1216 */
1217 char *get_boot_devices_list(size_t *size)
1218 {
1219 FWBootEntry *i;
1220 size_t total = 0;
1221 char *list = NULL;
1222
1223 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1224 char *devpath = NULL, *bootpath;
1225 size_t len;
1226
1227 if (i->dev) {
1228 devpath = qdev_get_fw_dev_path(i->dev);
1229 assert(devpath);
1230 }
1231
1232 if (i->suffix && devpath) {
1233 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1234
1235 bootpath = g_malloc(bootpathlen);
1236 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1237 g_free(devpath);
1238 } else if (devpath) {
1239 bootpath = devpath;
1240 } else {
1241 assert(i->suffix);
1242 bootpath = g_strdup(i->suffix);
1243 }
1244
1245 if (total) {
1246 list[total-1] = '\n';
1247 }
1248 len = strlen(bootpath) + 1;
1249 list = g_realloc(list, total + len);
1250 memcpy(&list[total], bootpath, len);
1251 total += len;
1252 g_free(bootpath);
1253 }
1254
1255 *size = total;
1256
1257 if (boot_strict && *size > 0) {
1258 list[total-1] = '\n';
1259 list = g_realloc(list, total + 5);
1260 memcpy(&list[total], "HALT", 5);
1261 *size = total + 5;
1262 }
1263 return list;
1264 }
1265
1266 static void numa_node_parse_cpus(int nodenr, const char *cpus)
1267 {
1268 char *endptr;
1269 unsigned long long value, endvalue;
1270
1271 /* Empty CPU range strings will be considered valid, they will simply
1272 * not set any bit in the CPU bitmap.
1273 */
1274 if (!*cpus) {
1275 return;
1276 }
1277
1278 if (parse_uint(cpus, &value, &endptr, 10) < 0) {
1279 goto error;
1280 }
1281 if (*endptr == '-') {
1282 if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
1283 goto error;
1284 }
1285 } else if (*endptr == '\0') {
1286 endvalue = value;
1287 } else {
1288 goto error;
1289 }
1290
1291 if (endvalue >= MAX_CPUMASK_BITS) {
1292 endvalue = MAX_CPUMASK_BITS - 1;
1293 fprintf(stderr,
1294 "qemu: NUMA: A max of %d VCPUs are supported\n",
1295 MAX_CPUMASK_BITS);
1296 }
1297
1298 if (endvalue < value) {
1299 goto error;
1300 }
1301
1302 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1303 return;
1304
1305 error:
1306 fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
1307 exit(1);
1308 }
1309
1310 static void numa_add(const char *optarg)
1311 {
1312 char option[128];
1313 char *endptr;
1314 unsigned long long nodenr;
1315
1316 optarg = get_opt_name(option, 128, optarg, ',');
1317 if (*optarg == ',') {
1318 optarg++;
1319 }
1320 if (!strcmp(option, "node")) {
1321
1322 if (nb_numa_nodes >= MAX_NODES) {
1323 fprintf(stderr, "qemu: too many NUMA nodes\n");
1324 exit(1);
1325 }
1326
1327 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1328 nodenr = nb_numa_nodes;
1329 } else {
1330 if (parse_uint_full(option, &nodenr, 10) < 0) {
1331 fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
1332 exit(1);
1333 }
1334 }
1335
1336 if (nodenr >= MAX_NODES) {
1337 fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr);
1338 exit(1);
1339 }
1340
1341 if (get_param_value(option, 128, "mem", optarg) == 0) {
1342 node_mem[nodenr] = 0;
1343 } else {
1344 int64_t sval;
1345 sval = strtosz(option, &endptr);
1346 if (sval < 0 || *endptr) {
1347 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1348 exit(1);
1349 }
1350 node_mem[nodenr] = sval;
1351 }
1352 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1353 numa_node_parse_cpus(nodenr, option);
1354 }
1355 nb_numa_nodes++;
1356 } else {
1357 fprintf(stderr, "Invalid -numa option: %s\n", option);
1358 exit(1);
1359 }
1360 }
1361
1362 static QemuOptsList qemu_smp_opts = {
1363 .name = "smp-opts",
1364 .implied_opt_name = "cpus",
1365 .merge_lists = true,
1366 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1367 .desc = {
1368 {
1369 .name = "cpus",
1370 .type = QEMU_OPT_NUMBER,
1371 }, {
1372 .name = "sockets",
1373 .type = QEMU_OPT_NUMBER,
1374 }, {
1375 .name = "cores",
1376 .type = QEMU_OPT_NUMBER,
1377 }, {
1378 .name = "threads",
1379 .type = QEMU_OPT_NUMBER,
1380 }, {
1381 .name = "maxcpus",
1382 .type = QEMU_OPT_NUMBER,
1383 },
1384 { /*End of list */ }
1385 },
1386 };
1387
1388 static void smp_parse(QemuOpts *opts)
1389 {
1390 if (opts) {
1391
1392 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1393 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1394 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1395 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1396
1397 /* compute missing values, prefer sockets over cores over threads */
1398 if (cpus == 0 || sockets == 0) {
1399 sockets = sockets > 0 ? sockets : 1;
1400 cores = cores > 0 ? cores : 1;
1401 threads = threads > 0 ? threads : 1;
1402 if (cpus == 0) {
1403 cpus = cores * threads * sockets;
1404 }
1405 } else {
1406 if (cores == 0) {
1407 threads = threads > 0 ? threads : 1;
1408 cores = cpus / (sockets * threads);
1409 } else {
1410 threads = cpus / (cores * sockets);
1411 }
1412 }
1413
1414 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1415
1416 smp_cpus = cpus;
1417 smp_cores = cores > 0 ? cores : 1;
1418 smp_threads = threads > 0 ? threads : 1;
1419
1420 }
1421
1422 if (max_cpus == 0) {
1423 max_cpus = smp_cpus;
1424 }
1425
1426 if (max_cpus > 255) {
1427 fprintf(stderr, "Unsupported number of maxcpus\n");
1428 exit(1);
1429 }
1430 if (max_cpus < smp_cpus) {
1431 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1432 exit(1);
1433 }
1434
1435 }
1436
1437 static void configure_realtime(QemuOpts *opts)
1438 {
1439 bool enable_mlock;
1440
1441 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
1442
1443 if (enable_mlock) {
1444 if (os_mlock() < 0) {
1445 fprintf(stderr, "qemu: locking memory failed\n");
1446 exit(1);
1447 }
1448 }
1449 }
1450
1451
1452 static void configure_msg(QemuOpts *opts)
1453 {
1454 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1455 }
1456
1457 /***********************************************************/
1458 /* USB devices */
1459
1460 static int usb_device_add(const char *devname)
1461 {
1462 USBDevice *dev = NULL;
1463 #ifndef CONFIG_LINUX
1464 const char *p;
1465 #endif
1466
1467 if (!usb_enabled(false)) {
1468 return -1;
1469 }
1470
1471 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1472 dev = usbdevice_create(devname);
1473 if (dev)
1474 goto done;
1475
1476 /* the other ones */
1477 #ifndef CONFIG_LINUX
1478 /* only the linux version is qdev-ified, usb-bsd still needs this */
1479 if (strstart(devname, "host:", &p)) {
1480 dev = usb_host_device_open(usb_bus_find(-1), p);
1481 }
1482 #endif
1483 if (!dev)
1484 return -1;
1485
1486 done:
1487 return 0;
1488 }
1489
1490 static int usb_device_del(const char *devname)
1491 {
1492 int bus_num, addr;
1493 const char *p;
1494
1495 if (strstart(devname, "host:", &p)) {
1496 return -1;
1497 }
1498
1499 if (!usb_enabled(false)) {
1500 return -1;
1501 }
1502
1503 p = strchr(devname, '.');
1504 if (!p)
1505 return -1;
1506 bus_num = strtoul(devname, NULL, 0);
1507 addr = strtoul(p + 1, NULL, 0);
1508
1509 return usb_device_delete_addr(bus_num, addr);
1510 }
1511
1512 static int usb_parse(const char *cmdline)
1513 {
1514 int r;
1515 r = usb_device_add(cmdline);
1516 if (r < 0) {
1517 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1518 }
1519 return r;
1520 }
1521
1522 void do_usb_add(Monitor *mon, const QDict *qdict)
1523 {
1524 const char *devname = qdict_get_str(qdict, "devname");
1525 if (usb_device_add(devname) < 0) {
1526 error_report("could not add USB device '%s'", devname);
1527 }
1528 }
1529
1530 void do_usb_del(Monitor *mon, const QDict *qdict)
1531 {
1532 const char *devname = qdict_get_str(qdict, "devname");
1533 if (usb_device_del(devname) < 0) {
1534 error_report("could not delete USB device '%s'", devname);
1535 }
1536 }
1537
1538 /***********************************************************/
1539 /* PCMCIA/Cardbus */
1540
1541 static struct pcmcia_socket_entry_s {
1542 PCMCIASocket *socket;
1543 struct pcmcia_socket_entry_s *next;
1544 } *pcmcia_sockets = 0;
1545
1546 void pcmcia_socket_register(PCMCIASocket *socket)
1547 {
1548 struct pcmcia_socket_entry_s *entry;
1549
1550 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1551 entry->socket = socket;
1552 entry->next = pcmcia_sockets;
1553 pcmcia_sockets = entry;
1554 }
1555
1556 void pcmcia_socket_unregister(PCMCIASocket *socket)
1557 {
1558 struct pcmcia_socket_entry_s *entry, **ptr;
1559
1560 ptr = &pcmcia_sockets;
1561 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1562 if (entry->socket == socket) {
1563 *ptr = entry->next;
1564 g_free(entry);
1565 }
1566 }
1567
1568 void pcmcia_info(Monitor *mon, const QDict *qdict)
1569 {
1570 struct pcmcia_socket_entry_s *iter;
1571
1572 if (!pcmcia_sockets)
1573 monitor_printf(mon, "No PCMCIA sockets\n");
1574
1575 for (iter = pcmcia_sockets; iter; iter = iter->next)
1576 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1577 iter->socket->attached ? iter->socket->card_string :
1578 "Empty");
1579 }
1580
1581 /***********************************************************/
1582 /* machine registration */
1583
1584 static QEMUMachine *first_machine = NULL;
1585 QEMUMachine *current_machine = NULL;
1586
1587 int qemu_register_machine(QEMUMachine *m)
1588 {
1589 QEMUMachine **pm;
1590 pm = &first_machine;
1591 while (*pm != NULL)
1592 pm = &(*pm)->next;
1593 m->next = NULL;
1594 *pm = m;
1595 return 0;
1596 }
1597
1598 static QEMUMachine *find_machine(const char *name)
1599 {
1600 QEMUMachine *m;
1601
1602 for(m = first_machine; m != NULL; m = m->next) {
1603 if (!strcmp(m->name, name))
1604 return m;
1605 if (m->alias && !strcmp(m->alias, name))
1606 return m;
1607 }
1608 return NULL;
1609 }
1610
1611 QEMUMachine *find_default_machine(void)
1612 {
1613 QEMUMachine *m;
1614
1615 for(m = first_machine; m != NULL; m = m->next) {
1616 if (m->is_default) {
1617 return m;
1618 }
1619 }
1620 return NULL;
1621 }
1622
1623 MachineInfoList *qmp_query_machines(Error **errp)
1624 {
1625 MachineInfoList *mach_list = NULL;
1626 QEMUMachine *m;
1627
1628 for (m = first_machine; m; m = m->next) {
1629 MachineInfoList *entry;
1630 MachineInfo *info;
1631
1632 info = g_malloc0(sizeof(*info));
1633 if (m->is_default) {
1634 info->has_is_default = true;
1635 info->is_default = true;
1636 }
1637
1638 if (m->alias) {
1639 info->has_alias = true;
1640 info->alias = g_strdup(m->alias);
1641 }
1642
1643 info->name = g_strdup(m->name);
1644 info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
1645
1646 entry = g_malloc0(sizeof(*entry));
1647 entry->value = info;
1648 entry->next = mach_list;
1649 mach_list = entry;
1650 }
1651
1652 return mach_list;
1653 }
1654
1655 /***********************************************************/
1656 /* main execution loop */
1657
1658 struct vm_change_state_entry {
1659 VMChangeStateHandler *cb;
1660 void *opaque;
1661 QLIST_ENTRY (vm_change_state_entry) entries;
1662 };
1663
1664 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1665
1666 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1667 void *opaque)
1668 {
1669 VMChangeStateEntry *e;
1670
1671 e = g_malloc0(sizeof (*e));
1672
1673 e->cb = cb;
1674 e->opaque = opaque;
1675 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1676 return e;
1677 }
1678
1679 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1680 {
1681 QLIST_REMOVE (e, entries);
1682 g_free (e);
1683 }
1684
1685 void vm_state_notify(int running, RunState state)
1686 {
1687 VMChangeStateEntry *e;
1688
1689 trace_vm_state_notify(running, state);
1690
1691 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1692 e->cb(e->opaque, running, state);
1693 }
1694 }
1695
1696 void vm_start(void)
1697 {
1698 if (!runstate_is_running()) {
1699 cpu_enable_ticks();
1700 runstate_set(RUN_STATE_RUNNING);
1701 vm_state_notify(1, RUN_STATE_RUNNING);
1702 resume_all_vcpus();
1703 monitor_protocol_event(QEVENT_RESUME, NULL);
1704 }
1705 }
1706
1707 /* reset/shutdown handler */
1708
1709 typedef struct QEMUResetEntry {
1710 QTAILQ_ENTRY(QEMUResetEntry) entry;
1711 QEMUResetHandler *func;
1712 void *opaque;
1713 } QEMUResetEntry;
1714
1715 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1716 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1717 static int reset_requested;
1718 static int shutdown_requested, shutdown_signal = -1;
1719 static pid_t shutdown_pid;
1720 static int powerdown_requested;
1721 static int debug_requested;
1722 static int suspend_requested;
1723 static WakeupReason wakeup_reason;
1724 static NotifierList powerdown_notifiers =
1725 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1726 static NotifierList suspend_notifiers =
1727 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1728 static NotifierList wakeup_notifiers =
1729 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1730 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1731 static RunState vmstop_requested = RUN_STATE_MAX;
1732
1733 int qemu_shutdown_requested_get(void)
1734 {
1735 return shutdown_requested;
1736 }
1737
1738 int qemu_reset_requested_get(void)
1739 {
1740 return reset_requested;
1741 }
1742
1743 static int qemu_shutdown_requested(void)
1744 {
1745 int r = shutdown_requested;
1746 shutdown_requested = 0;
1747 return r;
1748 }
1749
1750 static void qemu_kill_report(void)
1751 {
1752 if (!qtest_enabled() && shutdown_signal != -1) {
1753 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1754 if (shutdown_pid == 0) {
1755 /* This happens for eg ^C at the terminal, so it's worth
1756 * avoiding printing an odd message in that case.
1757 */
1758 fputc('\n', stderr);
1759 } else {
1760 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1761 }
1762 shutdown_signal = -1;
1763 }
1764 }
1765
1766 static int qemu_reset_requested(void)
1767 {
1768 int r = reset_requested;
1769 reset_requested = 0;
1770 return r;
1771 }
1772
1773 static int qemu_suspend_requested(void)
1774 {
1775 int r = suspend_requested;
1776 suspend_requested = 0;
1777 return r;
1778 }
1779
1780 static WakeupReason qemu_wakeup_requested(void)
1781 {
1782 return wakeup_reason;
1783 }
1784
1785 static int qemu_powerdown_requested(void)
1786 {
1787 int r = powerdown_requested;
1788 powerdown_requested = 0;
1789 return r;
1790 }
1791
1792 static int qemu_debug_requested(void)
1793 {
1794 int r = debug_requested;
1795 debug_requested = 0;
1796 return r;
1797 }
1798
1799 /* We use RUN_STATE_MAX but any invalid value will do */
1800 static bool qemu_vmstop_requested(RunState *r)
1801 {
1802 if (vmstop_requested < RUN_STATE_MAX) {
1803 *r = vmstop_requested;
1804 vmstop_requested = RUN_STATE_MAX;
1805 return true;
1806 }
1807
1808 return false;
1809 }
1810
1811 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1812 {
1813 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1814
1815 re->func = func;
1816 re->opaque = opaque;
1817 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1818 }
1819
1820 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1821 {
1822 QEMUResetEntry *re;
1823
1824 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1825 if (re->func == func && re->opaque == opaque) {
1826 QTAILQ_REMOVE(&reset_handlers, re, entry);
1827 g_free(re);
1828 return;
1829 }
1830 }
1831 }
1832
1833 void qemu_devices_reset(void)
1834 {
1835 QEMUResetEntry *re, *nre;
1836
1837 /* reset all devices */
1838 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1839 re->func(re->opaque);
1840 }
1841 }
1842
1843 void qemu_system_reset(bool report)
1844 {
1845 if (current_machine && current_machine->reset) {
1846 current_machine->reset();
1847 } else {
1848 qemu_devices_reset();
1849 }
1850 if (report) {
1851 monitor_protocol_event(QEVENT_RESET, NULL);
1852 }
1853 cpu_synchronize_all_post_reset();
1854 }
1855
1856 void qemu_system_reset_request(void)
1857 {
1858 if (no_reboot) {
1859 shutdown_requested = 1;
1860 } else {
1861 reset_requested = 1;
1862 }
1863 cpu_stop_current();
1864 qemu_notify_event();
1865 }
1866
1867 static void qemu_system_suspend(void)
1868 {
1869 pause_all_vcpus();
1870 notifier_list_notify(&suspend_notifiers, NULL);
1871 runstate_set(RUN_STATE_SUSPENDED);
1872 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1873 }
1874
1875 void qemu_system_suspend_request(void)
1876 {
1877 if (runstate_check(RUN_STATE_SUSPENDED)) {
1878 return;
1879 }
1880 suspend_requested = 1;
1881 cpu_stop_current();
1882 qemu_notify_event();
1883 }
1884
1885 void qemu_register_suspend_notifier(Notifier *notifier)
1886 {
1887 notifier_list_add(&suspend_notifiers, notifier);
1888 }
1889
1890 void qemu_system_wakeup_request(WakeupReason reason)
1891 {
1892 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1893 return;
1894 }
1895 if (!(wakeup_reason_mask & (1 << reason))) {
1896 return;
1897 }
1898 runstate_set(RUN_STATE_RUNNING);
1899 wakeup_reason = reason;
1900 qemu_notify_event();
1901 }
1902
1903 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1904 {
1905 if (enabled) {
1906 wakeup_reason_mask |= (1 << reason);
1907 } else {
1908 wakeup_reason_mask &= ~(1 << reason);
1909 }
1910 }
1911
1912 void qemu_register_wakeup_notifier(Notifier *notifier)
1913 {
1914 notifier_list_add(&wakeup_notifiers, notifier);
1915 }
1916
1917 void qemu_system_killed(int signal, pid_t pid)
1918 {
1919 shutdown_signal = signal;
1920 shutdown_pid = pid;
1921 no_shutdown = 0;
1922 qemu_system_shutdown_request();
1923 }
1924
1925 void qemu_system_shutdown_request(void)
1926 {
1927 shutdown_requested = 1;
1928 qemu_notify_event();
1929 }
1930
1931 static void qemu_system_powerdown(void)
1932 {
1933 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1934 notifier_list_notify(&powerdown_notifiers, NULL);
1935 }
1936
1937 void qemu_system_powerdown_request(void)
1938 {
1939 powerdown_requested = 1;
1940 qemu_notify_event();
1941 }
1942
1943 void qemu_register_powerdown_notifier(Notifier *notifier)
1944 {
1945 notifier_list_add(&powerdown_notifiers, notifier);
1946 }
1947
1948 void qemu_system_debug_request(void)
1949 {
1950 debug_requested = 1;
1951 qemu_notify_event();
1952 }
1953
1954 void qemu_system_vmstop_request(RunState state)
1955 {
1956 vmstop_requested = state;
1957 qemu_notify_event();
1958 }
1959
1960 static bool main_loop_should_exit(void)
1961 {
1962 RunState r;
1963 if (qemu_debug_requested()) {
1964 vm_stop(RUN_STATE_DEBUG);
1965 }
1966 if (qemu_suspend_requested()) {
1967 qemu_system_suspend();
1968 }
1969 if (qemu_shutdown_requested()) {
1970 qemu_kill_report();
1971 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1972 if (no_shutdown) {
1973 vm_stop(RUN_STATE_SHUTDOWN);
1974 } else {
1975 return true;
1976 }
1977 }
1978 if (qemu_reset_requested()) {
1979 pause_all_vcpus();
1980 cpu_synchronize_all_states();
1981 qemu_system_reset(VMRESET_REPORT);
1982 resume_all_vcpus();
1983 if (runstate_needs_reset()) {
1984 runstate_set(RUN_STATE_PAUSED);
1985 }
1986 }
1987 if (qemu_wakeup_requested()) {
1988 pause_all_vcpus();
1989 cpu_synchronize_all_states();
1990 qemu_system_reset(VMRESET_SILENT);
1991 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1992 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1993 resume_all_vcpus();
1994 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1995 }
1996 if (qemu_powerdown_requested()) {
1997 qemu_system_powerdown();
1998 }
1999 if (qemu_vmstop_requested(&r)) {
2000 vm_stop(r);
2001 }
2002 return false;
2003 }
2004
2005 static void main_loop(void)
2006 {
2007 bool nonblocking;
2008 int last_io = 0;
2009 #ifdef CONFIG_PROFILER
2010 int64_t ti;
2011 #endif
2012 do {
2013 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
2014 #ifdef CONFIG_PROFILER
2015 ti = profile_getclock();
2016 #endif
2017 last_io = main_loop_wait(nonblocking);
2018 #ifdef CONFIG_PROFILER
2019 dev_time += profile_getclock() - ti;
2020 #endif
2021 } while (!main_loop_should_exit());
2022 }
2023
2024 static void version(void)
2025 {
2026 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2027 }
2028
2029 static void help(int exitcode)
2030 {
2031 version();
2032 printf("usage: %s [options] [disk_image]\n\n"
2033 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2034 error_get_progname());
2035
2036 #define QEMU_OPTIONS_GENERATE_HELP
2037 #include "qemu-options-wrapper.h"
2038
2039 printf("\nDuring emulation, the following keys are useful:\n"
2040 "ctrl-alt-f toggle full screen\n"
2041 "ctrl-alt-n switch to virtual console 'n'\n"
2042 "ctrl-alt toggle mouse and keyboard grab\n"
2043 "\n"
2044 "When using -nographic, press 'ctrl-a h' to get some help.\n");
2045
2046 exit(exitcode);
2047 }
2048
2049 #define HAS_ARG 0x0001
2050
2051 typedef struct QEMUOption {
2052 const char *name;
2053 int flags;
2054 int index;
2055 uint32_t arch_mask;
2056 } QEMUOption;
2057
2058 static const QEMUOption qemu_options[] = {
2059 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2060 #define QEMU_OPTIONS_GENERATE_OPTIONS
2061 #include "qemu-options-wrapper.h"
2062 { NULL },
2063 };
2064
2065 static bool vga_available(void)
2066 {
2067 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
2068 }
2069
2070 static bool cirrus_vga_available(void)
2071 {
2072 return object_class_by_name("cirrus-vga")
2073 || object_class_by_name("isa-cirrus-vga");
2074 }
2075
2076 static bool vmware_vga_available(void)
2077 {
2078 return object_class_by_name("vmware-svga");
2079 }
2080
2081 static bool qxl_vga_available(void)
2082 {
2083 return object_class_by_name("qxl-vga");
2084 }
2085
2086 static void select_vgahw (const char *p)
2087 {
2088 const char *opts;
2089
2090 vga_interface_type = VGA_NONE;
2091 if (strstart(p, "std", &opts)) {
2092 if (vga_available()) {
2093 vga_interface_type = VGA_STD;
2094 } else {
2095 fprintf(stderr, "Error: standard VGA not available\n");
2096 exit(0);
2097 }
2098 } else if (strstart(p, "cirrus", &opts)) {
2099 if (cirrus_vga_available()) {
2100 vga_interface_type = VGA_CIRRUS;
2101 } else {
2102 fprintf(stderr, "Error: Cirrus VGA not available\n");
2103 exit(0);
2104 }
2105 } else if (strstart(p, "vmware", &opts)) {
2106 if (vmware_vga_available()) {
2107 vga_interface_type = VGA_VMWARE;
2108 } else {
2109 fprintf(stderr, "Error: VMWare SVGA not available\n");
2110 exit(0);
2111 }
2112 } else if (strstart(p, "xenfb", &opts)) {
2113 vga_interface_type = VGA_XENFB;
2114 } else if (strstart(p, "qxl", &opts)) {
2115 if (qxl_vga_available()) {
2116 vga_interface_type = VGA_QXL;
2117 } else {
2118 fprintf(stderr, "Error: QXL VGA not available\n");
2119 exit(0);
2120 }
2121 } else if (!strstart(p, "none", &opts)) {
2122 invalid_vga:
2123 fprintf(stderr, "Unknown vga type: %s\n", p);
2124 exit(1);
2125 }
2126 while (*opts) {
2127 const char *nextopt;
2128
2129 if (strstart(opts, ",retrace=", &nextopt)) {
2130 opts = nextopt;
2131 if (strstart(opts, "dumb", &nextopt))
2132 vga_retrace_method = VGA_RETRACE_DUMB;
2133 else if (strstart(opts, "precise", &nextopt))
2134 vga_retrace_method = VGA_RETRACE_PRECISE;
2135 else goto invalid_vga;
2136 } else goto invalid_vga;
2137 opts = nextopt;
2138 }
2139 }
2140
2141 static DisplayType select_display(const char *p)
2142 {
2143 const char *opts;
2144 DisplayType display = DT_DEFAULT;
2145
2146 if (strstart(p, "sdl", &opts)) {
2147 #ifdef CONFIG_SDL
2148 display = DT_SDL;
2149 while (*opts) {
2150 const char *nextopt;
2151
2152 if (strstart(opts, ",frame=", &nextopt)) {
2153 opts = nextopt;
2154 if (strstart(opts, "on", &nextopt)) {
2155 no_frame = 0;
2156 } else if (strstart(opts, "off", &nextopt)) {
2157 no_frame = 1;
2158 } else {
2159 goto invalid_sdl_args;
2160 }
2161 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2162 opts = nextopt;
2163 if (strstart(opts, "on", &nextopt)) {
2164 alt_grab = 1;
2165 } else if (strstart(opts, "off", &nextopt)) {
2166 alt_grab = 0;
2167 } else {
2168 goto invalid_sdl_args;
2169 }
2170 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2171 opts = nextopt;
2172 if (strstart(opts, "on", &nextopt)) {
2173 ctrl_grab = 1;
2174 } else if (strstart(opts, "off", &nextopt)) {
2175 ctrl_grab = 0;
2176 } else {
2177 goto invalid_sdl_args;
2178 }
2179 } else if (strstart(opts, ",window_close=", &nextopt)) {
2180 opts = nextopt;
2181 if (strstart(opts, "on", &nextopt)) {
2182 no_quit = 0;
2183 } else if (strstart(opts, "off", &nextopt)) {
2184 no_quit = 1;
2185 } else {
2186 goto invalid_sdl_args;
2187 }
2188 } else {
2189 invalid_sdl_args:
2190 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2191 exit(1);
2192 }
2193 opts = nextopt;
2194 }
2195 #else
2196 fprintf(stderr, "SDL support is disabled\n");
2197 exit(1);
2198 #endif
2199 } else if (strstart(p, "vnc", &opts)) {
2200 #ifdef CONFIG_VNC
2201 display_remote++;
2202
2203 if (*opts) {
2204 const char *nextopt;
2205
2206 if (strstart(opts, "=", &nextopt)) {
2207 vnc_display = nextopt;
2208 }
2209 }
2210 if (!vnc_display) {
2211 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2212 exit(1);
2213 }
2214 #else
2215 fprintf(stderr, "VNC support is disabled\n");
2216 exit(1);
2217 #endif
2218 } else if (strstart(p, "curses", &opts)) {
2219 #ifdef CONFIG_CURSES
2220 display = DT_CURSES;
2221 #else
2222 fprintf(stderr, "Curses support is disabled\n");
2223 exit(1);
2224 #endif
2225 } else if (strstart(p, "gtk", &opts)) {
2226 #ifdef CONFIG_GTK
2227 display = DT_GTK;
2228 #else
2229 fprintf(stderr, "GTK support is disabled\n");
2230 exit(1);
2231 #endif
2232 } else if (strstart(p, "none", &opts)) {
2233 display = DT_NONE;
2234 } else {
2235 fprintf(stderr, "Unknown display type: %s\n", p);
2236 exit(1);
2237 }
2238
2239 return display;
2240 }
2241
2242 static int balloon_parse(const char *arg)
2243 {
2244 QemuOpts *opts;
2245
2246 if (strcmp(arg, "none") == 0) {
2247 return 0;
2248 }
2249
2250 if (!strncmp(arg, "virtio", 6)) {
2251 if (arg[6] == ',') {
2252 /* have params -> parse them */
2253 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2254 if (!opts)
2255 return -1;
2256 } else {
2257 /* create empty opts */
2258 opts = qemu_opts_create_nofail(qemu_find_opts("device"));
2259 }
2260 qemu_opt_set(opts, "driver", "virtio-balloon");
2261 return 0;
2262 }
2263
2264 return -1;
2265 }
2266
2267 char *qemu_find_file(int type, const char *name)
2268 {
2269 int i;
2270 const char *subdir;
2271 char *buf;
2272
2273 /* Try the name as a straight path first */
2274 if (access(name, R_OK) == 0) {
2275 trace_load_file(name, name);
2276 return g_strdup(name);
2277 }
2278
2279 switch (type) {
2280 case QEMU_FILE_TYPE_BIOS:
2281 subdir = "";
2282 break;
2283 case QEMU_FILE_TYPE_KEYMAP:
2284 subdir = "keymaps/";
2285 break;
2286 default:
2287 abort();
2288 }
2289
2290 for (i = 0; i < data_dir_idx; i++) {
2291 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2292 if (access(buf, R_OK) == 0) {
2293 trace_load_file(name, buf);
2294 return buf;
2295 }
2296 g_free(buf);
2297 }
2298 return NULL;
2299 }
2300
2301 static int device_help_func(QemuOpts *opts, void *opaque)
2302 {
2303 return qdev_device_help(opts);
2304 }
2305
2306 static int device_init_func(QemuOpts *opts, void *opaque)
2307 {
2308 DeviceState *dev;
2309
2310 dev = qdev_device_add(opts);
2311 if (!dev)
2312 return -1;
2313 object_unref(OBJECT(dev));
2314 return 0;
2315 }
2316
2317 static int chardev_init_func(QemuOpts *opts, void *opaque)
2318 {
2319 Error *local_err = NULL;
2320
2321 qemu_chr_new_from_opts(opts, NULL, &local_err);
2322 if (error_is_set(&local_err)) {
2323 error_report("%s", error_get_pretty(local_err));
2324 error_free(local_err);
2325 return -1;
2326 }
2327 return 0;
2328 }
2329
2330 #ifdef CONFIG_VIRTFS
2331 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2332 {
2333 int ret;
2334 ret = qemu_fsdev_add(opts);
2335
2336 return ret;
2337 }
2338 #endif
2339
2340 static int mon_init_func(QemuOpts *opts, void *opaque)
2341 {
2342 CharDriverState *chr;
2343 const char *chardev;
2344 const char *mode;
2345 int flags;
2346
2347 mode = qemu_opt_get(opts, "mode");
2348 if (mode == NULL) {
2349 mode = "readline";
2350 }
2351 if (strcmp(mode, "readline") == 0) {
2352 flags = MONITOR_USE_READLINE;
2353 } else if (strcmp(mode, "control") == 0) {
2354 flags = MONITOR_USE_CONTROL;
2355 } else {
2356 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2357 exit(1);
2358 }
2359
2360 if (qemu_opt_get_bool(opts, "pretty", 0))
2361 flags |= MONITOR_USE_PRETTY;
2362
2363 if (qemu_opt_get_bool(opts, "default", 0))
2364 flags |= MONITOR_IS_DEFAULT;
2365
2366 chardev = qemu_opt_get(opts, "chardev");
2367 chr = qemu_chr_find(chardev);
2368 if (chr == NULL) {
2369 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2370 exit(1);
2371 }
2372
2373 qemu_chr_fe_claim_no_fail(chr);
2374 monitor_init(chr, flags);
2375 return 0;
2376 }
2377
2378 static void monitor_parse(const char *optarg, const char *mode)
2379 {
2380 static int monitor_device_index = 0;
2381 QemuOpts *opts;
2382 const char *p;
2383 char label[32];
2384 int def = 0;
2385
2386 if (strstart(optarg, "chardev:", &p)) {
2387 snprintf(label, sizeof(label), "%s", p);
2388 } else {
2389 snprintf(label, sizeof(label), "compat_monitor%d",
2390 monitor_device_index);
2391 if (monitor_device_index == 0) {
2392 def = 1;
2393 }
2394 opts = qemu_chr_parse_compat(label, optarg);
2395 if (!opts) {
2396 fprintf(stderr, "parse error: %s\n", optarg);
2397 exit(1);
2398 }
2399 }
2400
2401 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2402 if (!opts) {
2403 fprintf(stderr, "duplicate chardev: %s\n", label);
2404 exit(1);
2405 }
2406 qemu_opt_set(opts, "mode", mode);
2407 qemu_opt_set(opts, "chardev", label);
2408 if (def)
2409 qemu_opt_set(opts, "default", "on");
2410 monitor_device_index++;
2411 }
2412
2413 struct device_config {
2414 enum {
2415 DEV_USB, /* -usbdevice */
2416 DEV_BT, /* -bt */
2417 DEV_SERIAL, /* -serial */
2418 DEV_PARALLEL, /* -parallel */
2419 DEV_VIRTCON, /* -virtioconsole */
2420 DEV_DEBUGCON, /* -debugcon */
2421 DEV_GDB, /* -gdb, -s */
2422 DEV_SCLP, /* s390 sclp */
2423 } type;
2424 const char *cmdline;
2425 Location loc;
2426 QTAILQ_ENTRY(device_config) next;
2427 };
2428
2429 static QTAILQ_HEAD(, device_config) device_configs =
2430 QTAILQ_HEAD_INITIALIZER(device_configs);
2431
2432 static void add_device_config(int type, const char *cmdline)
2433 {
2434 struct device_config *conf;
2435
2436 conf = g_malloc0(sizeof(*conf));
2437 conf->type = type;
2438 conf->cmdline = cmdline;
2439 loc_save(&conf->loc);
2440 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2441 }
2442
2443 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2444 {
2445 struct device_config *conf;
2446 int rc;
2447
2448 QTAILQ_FOREACH(conf, &device_configs, next) {
2449 if (conf->type != type)
2450 continue;
2451 loc_push_restore(&conf->loc);
2452 rc = func(conf->cmdline);
2453 loc_pop(&conf->loc);
2454 if (0 != rc)
2455 return rc;
2456 }
2457 return 0;
2458 }
2459
2460 static int serial_parse(const char *devname)
2461 {
2462 static int index = 0;
2463 char label[32];
2464
2465 if (strcmp(devname, "none") == 0)
2466 return 0;
2467 if (index == MAX_SERIAL_PORTS) {
2468 fprintf(stderr, "qemu: too many serial ports\n");
2469 exit(1);
2470 }
2471 snprintf(label, sizeof(label), "serial%d", index);
2472 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2473 if (!serial_hds[index]) {
2474 fprintf(stderr, "qemu: could not connect serial device"
2475 " to character backend '%s'\n", devname);
2476 return -1;
2477 }
2478 index++;
2479 return 0;
2480 }
2481
2482 static int parallel_parse(const char *devname)
2483 {
2484 static int index = 0;
2485 char label[32];
2486
2487 if (strcmp(devname, "none") == 0)
2488 return 0;
2489 if (index == MAX_PARALLEL_PORTS) {
2490 fprintf(stderr, "qemu: too many parallel ports\n");
2491 exit(1);
2492 }
2493 snprintf(label, sizeof(label), "parallel%d", index);
2494 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2495 if (!parallel_hds[index]) {
2496 fprintf(stderr, "qemu: could not connect parallel device"
2497 " to character backend '%s'\n", devname);
2498 return -1;
2499 }
2500 index++;
2501 return 0;
2502 }
2503
2504 static int virtcon_parse(const char *devname)
2505 {
2506 QemuOptsList *device = qemu_find_opts("device");
2507 static int index = 0;
2508 char label[32];
2509 QemuOpts *bus_opts, *dev_opts;
2510
2511 if (strcmp(devname, "none") == 0)
2512 return 0;
2513 if (index == MAX_VIRTIO_CONSOLES) {
2514 fprintf(stderr, "qemu: too many virtio consoles\n");
2515 exit(1);
2516 }
2517
2518 bus_opts = qemu_opts_create_nofail(device);
2519 if (arch_type == QEMU_ARCH_S390X) {
2520 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2521 } else {
2522 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2523 }
2524
2525 dev_opts = qemu_opts_create_nofail(device);
2526 qemu_opt_set(dev_opts, "driver", "virtconsole");
2527
2528 snprintf(label, sizeof(label), "virtcon%d", index);
2529 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2530 if (!virtcon_hds[index]) {
2531 fprintf(stderr, "qemu: could not connect virtio console"
2532 " to character backend '%s'\n", devname);
2533 return -1;
2534 }
2535 qemu_opt_set(dev_opts, "chardev", label);
2536
2537 index++;
2538 return 0;
2539 }
2540
2541 static int sclp_parse(const char *devname)
2542 {
2543 QemuOptsList *device = qemu_find_opts("device");
2544 static int index = 0;
2545 char label[32];
2546 QemuOpts *dev_opts;
2547
2548 if (strcmp(devname, "none") == 0) {
2549 return 0;
2550 }
2551 if (index == MAX_SCLP_CONSOLES) {
2552 fprintf(stderr, "qemu: too many sclp consoles\n");
2553 exit(1);
2554 }
2555
2556 assert(arch_type == QEMU_ARCH_S390X);
2557
2558 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2559 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2560
2561 snprintf(label, sizeof(label), "sclpcon%d", index);
2562 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2563 if (!sclp_hds[index]) {
2564 fprintf(stderr, "qemu: could not connect sclp console"
2565 " to character backend '%s'\n", devname);
2566 return -1;
2567 }
2568 qemu_opt_set(dev_opts, "chardev", label);
2569
2570 index++;
2571 return 0;
2572 }
2573
2574 static int debugcon_parse(const char *devname)
2575 {
2576 QemuOpts *opts;
2577
2578 if (!qemu_chr_new("debugcon", devname, NULL)) {
2579 exit(1);
2580 }
2581 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2582 if (!opts) {
2583 fprintf(stderr, "qemu: already have a debugcon device\n");
2584 exit(1);
2585 }
2586 qemu_opt_set(opts, "driver", "isa-debugcon");
2587 qemu_opt_set(opts, "chardev", "debugcon");
2588 return 0;
2589 }
2590
2591 static QEMUMachine *machine_parse(const char *name)
2592 {
2593 QEMUMachine *m, *machine = NULL;
2594
2595 if (name) {
2596 machine = find_machine(name);
2597 }
2598 if (machine) {
2599 return machine;
2600 }
2601 printf("Supported machines are:\n");
2602 for (m = first_machine; m != NULL; m = m->next) {
2603 if (m->alias) {
2604 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2605 }
2606 printf("%-20s %s%s\n", m->name, m->desc,
2607 m->is_default ? " (default)" : "");
2608 }
2609 exit(!name || !is_help_option(name));
2610 }
2611
2612 static int tcg_init(void)
2613 {
2614 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2615 return 0;
2616 }
2617
2618 static struct {
2619 const char *opt_name;
2620 const char *name;
2621 int (*available)(void);
2622 int (*init)(void);
2623 bool *allowed;
2624 } accel_list[] = {
2625 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2626 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2627 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2628 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2629 };
2630
2631 static int configure_accelerator(void)
2632 {
2633 const char *p;
2634 char buf[10];
2635 int i, ret;
2636 bool accel_initialised = false;
2637 bool init_failed = false;
2638
2639 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2640 if (p == NULL) {
2641 /* Use the default "accelerator", tcg */
2642 p = "tcg";
2643 }
2644
2645 while (!accel_initialised && *p != '\0') {
2646 if (*p == ':') {
2647 p++;
2648 }
2649 p = get_opt_name(buf, sizeof (buf), p, ':');
2650 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2651 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2652 if (!accel_list[i].available()) {
2653 printf("%s not supported for this target\n",
2654 accel_list[i].name);
2655 continue;
2656 }
2657 *(accel_list[i].allowed) = true;
2658 ret = accel_list[i].init();
2659 if (ret < 0) {
2660 init_failed = true;
2661 fprintf(stderr, "failed to initialize %s: %s\n",
2662 accel_list[i].name,
2663 strerror(-ret));
2664 *(accel_list[i].allowed) = false;
2665 } else {
2666 accel_initialised = true;
2667 }
2668 break;
2669 }
2670 }
2671 if (i == ARRAY_SIZE(accel_list)) {
2672 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2673 }
2674 }
2675
2676 if (!accel_initialised) {
2677 if (!init_failed) {
2678 fprintf(stderr, "No accelerator found!\n");
2679 }
2680 exit(1);
2681 }
2682
2683 if (init_failed) {
2684 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2685 }
2686
2687 return !accel_initialised;
2688 }
2689
2690 void qemu_add_exit_notifier(Notifier *notify)
2691 {
2692 notifier_list_add(&exit_notifiers, notify);
2693 }
2694
2695 void qemu_remove_exit_notifier(Notifier *notify)
2696 {
2697 notifier_remove(notify);
2698 }
2699
2700 static void qemu_run_exit_notifiers(void)
2701 {
2702 notifier_list_notify(&exit_notifiers, NULL);
2703 }
2704
2705 void qemu_add_machine_init_done_notifier(Notifier *notify)
2706 {
2707 notifier_list_add(&machine_init_done_notifiers, notify);
2708 }
2709
2710 static void qemu_run_machine_init_done_notifiers(void)
2711 {
2712 notifier_list_notify(&machine_init_done_notifiers, NULL);
2713 }
2714
2715 static const QEMUOption *lookup_opt(int argc, char **argv,
2716 const char **poptarg, int *poptind)
2717 {
2718 const QEMUOption *popt;
2719 int optind = *poptind;
2720 char *r = argv[optind];
2721 const char *optarg;
2722
2723 loc_set_cmdline(argv, optind, 1);
2724 optind++;
2725 /* Treat --foo the same as -foo. */
2726 if (r[1] == '-')
2727 r++;
2728 popt = qemu_options;
2729 for(;;) {
2730 if (!popt->name) {
2731 error_report("invalid option");
2732 exit(1);
2733 }
2734 if (!strcmp(popt->name, r + 1))
2735 break;
2736 popt++;
2737 }
2738 if (popt->flags & HAS_ARG) {
2739 if (optind >= argc) {
2740 error_report("requires an argument");
2741 exit(1);
2742 }
2743 optarg = argv[optind++];
2744 loc_set_cmdline(argv, optind - 2, 2);
2745 } else {
2746 optarg = NULL;
2747 }
2748
2749 *poptarg = optarg;
2750 *poptind = optind;
2751
2752 return popt;
2753 }
2754
2755 static gpointer malloc_and_trace(gsize n_bytes)
2756 {
2757 void *ptr = malloc(n_bytes);
2758 trace_g_malloc(n_bytes, ptr);
2759 return ptr;
2760 }
2761
2762 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2763 {
2764 void *ptr = realloc(mem, n_bytes);
2765 trace_g_realloc(mem, n_bytes, ptr);
2766 return ptr;
2767 }
2768
2769 static void free_and_trace(gpointer mem)
2770 {
2771 trace_g_free(mem);
2772 free(mem);
2773 }
2774
2775 static int object_set_property(const char *name, const char *value, void *opaque)
2776 {
2777 Object *obj = OBJECT(opaque);
2778 StringInputVisitor *siv;
2779 Error *local_err = NULL;
2780
2781 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2782 return 0;
2783 }
2784
2785 siv = string_input_visitor_new(value);
2786 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2787 string_input_visitor_cleanup(siv);
2788
2789 if (local_err) {
2790 qerror_report_err(local_err);
2791 error_free(local_err);
2792 return -1;
2793 }
2794
2795 return 0;
2796 }
2797
2798 static int object_create(QemuOpts *opts, void *opaque)
2799 {
2800 const char *type = qemu_opt_get(opts, "qom-type");
2801 const char *id = qemu_opts_id(opts);
2802 Object *obj;
2803
2804 g_assert(type != NULL);
2805
2806 if (id == NULL) {
2807 qerror_report(QERR_MISSING_PARAMETER, "id");
2808 return -1;
2809 }
2810
2811 obj = object_new(type);
2812 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2813 return -1;
2814 }
2815
2816 object_property_add_child(container_get(object_get_root(), "/objects"),
2817 id, obj, NULL);
2818
2819 return 0;
2820 }
2821
2822 int main(int argc, char **argv, char **envp)
2823 {
2824 int i;
2825 int snapshot, linux_boot;
2826 const char *icount_option = NULL;
2827 const char *initrd_filename;
2828 const char *kernel_filename, *kernel_cmdline;
2829 const char *boot_order;
2830 DisplayState *ds;
2831 int cyls, heads, secs, translation;
2832 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2833 QemuOptsList *olist;
2834 int optind;
2835 const char *optarg;
2836 const char *loadvm = NULL;
2837 QEMUMachine *machine;
2838 const char *cpu_model;
2839 const char *vga_model = "none";
2840 const char *qtest_chrdev = NULL;
2841 const char *qtest_log = NULL;
2842 const char *pid_file = NULL;
2843 const char *incoming = NULL;
2844 #ifdef CONFIG_VNC
2845 int show_vnc_port = 0;
2846 #endif
2847 bool defconfig = true;
2848 bool userconfig = true;
2849 const char *log_mask = NULL;
2850 const char *log_file = NULL;
2851 GMemVTable mem_trace = {
2852 .malloc = malloc_and_trace,
2853 .realloc = realloc_and_trace,
2854 .free = free_and_trace,
2855 };
2856 const char *trace_events = NULL;
2857 const char *trace_file = NULL;
2858
2859 atexit(qemu_run_exit_notifiers);
2860 error_set_progname(argv[0]);
2861
2862 g_mem_set_vtable(&mem_trace);
2863 if (!g_thread_supported()) {
2864 #if !GLIB_CHECK_VERSION(2, 31, 0)
2865 g_thread_init(NULL);
2866 #else
2867 fprintf(stderr, "glib threading failed to initialize.\n");
2868 exit(1);
2869 #endif
2870 }
2871
2872 module_call_init(MODULE_INIT_QOM);
2873
2874 qemu_add_opts(&qemu_drive_opts);
2875 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2876 qemu_add_drive_opts(&qemu_common_drive_opts);
2877 qemu_add_drive_opts(&qemu_drive_opts);
2878 qemu_add_opts(&qemu_chardev_opts);
2879 qemu_add_opts(&qemu_device_opts);
2880 qemu_add_opts(&qemu_netdev_opts);
2881 qemu_add_opts(&qemu_net_opts);
2882 qemu_add_opts(&qemu_rtc_opts);
2883 qemu_add_opts(&qemu_global_opts);
2884 qemu_add_opts(&qemu_mon_opts);
2885 qemu_add_opts(&qemu_trace_opts);
2886 qemu_add_opts(&qemu_option_rom_opts);
2887 qemu_add_opts(&qemu_machine_opts);
2888 qemu_add_opts(&qemu_smp_opts);
2889 qemu_add_opts(&qemu_boot_opts);
2890 qemu_add_opts(&qemu_sandbox_opts);
2891 qemu_add_opts(&qemu_add_fd_opts);
2892 qemu_add_opts(&qemu_object_opts);
2893 qemu_add_opts(&qemu_tpmdev_opts);
2894 qemu_add_opts(&qemu_realtime_opts);
2895 qemu_add_opts(&qemu_msg_opts);
2896
2897 runstate_init();
2898
2899 init_clocks();
2900 rtc_clock = QEMU_CLOCK_HOST;
2901
2902 qemu_init_auxval(envp);
2903 qemu_cache_utils_init();
2904
2905 QLIST_INIT (&vm_change_state_head);
2906 os_setup_early_signal_handling();
2907
2908 module_call_init(MODULE_INIT_MACHINE);
2909 machine = find_default_machine();
2910 cpu_model = NULL;
2911 ram_size = 0;
2912 snapshot = 0;
2913 cyls = heads = secs = 0;
2914 translation = BIOS_ATA_TRANSLATION_AUTO;
2915
2916 for (i = 0; i < MAX_NODES; i++) {
2917 node_mem[i] = 0;
2918 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2919 }
2920
2921 nb_numa_nodes = 0;
2922 nb_nics = 0;
2923
2924 bdrv_init_with_whitelist();
2925
2926 autostart= 1;
2927
2928 /* first pass of option parsing */
2929 optind = 1;
2930 while (optind < argc) {
2931 if (argv[optind][0] != '-') {
2932 /* disk image */
2933 optind++;
2934 continue;
2935 } else {
2936 const QEMUOption *popt;
2937
2938 popt = lookup_opt(argc, argv, &optarg, &optind);
2939 switch (popt->index) {
2940 case QEMU_OPTION_nodefconfig:
2941 defconfig = false;
2942 break;
2943 case QEMU_OPTION_nouserconfig:
2944 userconfig = false;
2945 break;
2946 }
2947 }
2948 }
2949
2950 if (defconfig) {
2951 int ret;
2952 ret = qemu_read_default_config_files(userconfig);
2953 if (ret < 0) {
2954 exit(1);
2955 }
2956 }
2957
2958 /* second pass of option parsing */
2959 optind = 1;
2960 for(;;) {
2961 if (optind >= argc)
2962 break;
2963 if (argv[optind][0] != '-') {
2964 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2965 } else {
2966 const QEMUOption *popt;
2967
2968 popt = lookup_opt(argc, argv, &optarg, &optind);
2969 if (!(popt->arch_mask & arch_type)) {
2970 printf("Option %s not supported for this target\n", popt->name);
2971 exit(1);
2972 }
2973 switch(popt->index) {
2974 case QEMU_OPTION_M:
2975 machine = machine_parse(optarg);
2976 break;
2977 case QEMU_OPTION_no_kvm_irqchip: {
2978 olist = qemu_find_opts("machine");
2979 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2980 break;
2981 }
2982 case QEMU_OPTION_cpu:
2983 /* hw initialization will check this */
2984 cpu_model = optarg;
2985 break;
2986 case QEMU_OPTION_hda:
2987 {
2988 char buf[256];
2989 if (cyls == 0)
2990 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2991 else
2992 snprintf(buf, sizeof(buf),
2993 "%s,cyls=%d,heads=%d,secs=%d%s",
2994 HD_OPTS , cyls, heads, secs,
2995 translation == BIOS_ATA_TRANSLATION_LBA ?
2996 ",trans=lba" :
2997 translation == BIOS_ATA_TRANSLATION_NONE ?
2998 ",trans=none" : "");
2999 drive_add(IF_DEFAULT, 0, optarg, buf);
3000 break;
3001 }
3002 case QEMU_OPTION_hdb:
3003 case QEMU_OPTION_hdc:
3004 case QEMU_OPTION_hdd:
3005 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3006 HD_OPTS);
3007 break;
3008 case QEMU_OPTION_drive:
3009 if (drive_def(optarg) == NULL) {
3010 exit(1);
3011 }
3012 break;
3013 case QEMU_OPTION_set:
3014 if (qemu_set_option(optarg) != 0)
3015 exit(1);
3016 break;
3017 case QEMU_OPTION_global:
3018 if (qemu_global_option(optarg) != 0)
3019 exit(1);
3020 break;
3021 case QEMU_OPTION_mtdblock:
3022 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3023 break;
3024 case QEMU_OPTION_sd:
3025 drive_add(IF_SD, -1, optarg, SD_OPTS);
3026 break;
3027 case QEMU_OPTION_pflash:
3028 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3029 break;
3030 case QEMU_OPTION_snapshot:
3031 snapshot = 1;
3032 break;
3033 case QEMU_OPTION_hdachs:
3034 {
3035 const char *p;
3036 p = optarg;
3037 cyls = strtol(p, (char **)&p, 0);
3038 if (cyls < 1 || cyls > 16383)
3039 goto chs_fail;
3040 if (*p != ',')
3041 goto chs_fail;
3042 p++;
3043 heads = strtol(p, (char **)&p, 0);
3044 if (heads < 1 || heads > 16)
3045 goto chs_fail;
3046 if (*p != ',')
3047 goto chs_fail;
3048 p++;
3049 secs = strtol(p, (char **)&p, 0);
3050 if (secs < 1 || secs > 63)
3051 goto chs_fail;
3052 if (*p == ',') {
3053 p++;
3054 if (!strcmp(p, "none"))
3055 translation = BIOS_ATA_TRANSLATION_NONE;
3056 else if (!strcmp(p, "lba"))
3057 translation = BIOS_ATA_TRANSLATION_LBA;
3058 else if (!strcmp(p, "auto"))
3059 translation = BIOS_ATA_TRANSLATION_AUTO;
3060 else
3061 goto chs_fail;
3062 } else if (*p != '\0') {
3063 chs_fail:
3064 fprintf(stderr, "qemu: invalid physical CHS format\n");
3065 exit(1);
3066 }
3067 if (hda_opts != NULL) {
3068 char num[16];
3069 snprintf(num, sizeof(num), "%d", cyls);
3070 qemu_opt_set(hda_opts, "cyls", num);
3071 snprintf(num, sizeof(num), "%d", heads);
3072 qemu_opt_set(hda_opts, "heads", num);
3073 snprintf(num, sizeof(num), "%d", secs);
3074 qemu_opt_set(hda_opts, "secs", num);
3075 if (translation == BIOS_ATA_TRANSLATION_LBA)
3076 qemu_opt_set(hda_opts, "trans", "lba");
3077 if (translation == BIOS_ATA_TRANSLATION_NONE)
3078 qemu_opt_set(hda_opts, "trans", "none");
3079 }
3080 }
3081 break;
3082 case QEMU_OPTION_numa:
3083 numa_add(optarg);
3084 break;
3085 case QEMU_OPTION_display:
3086 display_type = select_display(optarg);
3087 break;
3088 case QEMU_OPTION_nographic:
3089 display_type = DT_NOGRAPHIC;
3090 break;
3091 case QEMU_OPTION_curses:
3092 #ifdef CONFIG_CURSES
3093 display_type = DT_CURSES;
3094 #else
3095 fprintf(stderr, "Curses support is disabled\n");
3096 exit(1);
3097 #endif
3098 break;
3099 case QEMU_OPTION_portrait:
3100 graphic_rotate = 90;
3101 break;
3102 case QEMU_OPTION_rotate:
3103 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3104 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3105 graphic_rotate != 180 && graphic_rotate != 270) {
3106 fprintf(stderr,
3107 "qemu: only 90, 180, 270 deg rotation is available\n");
3108 exit(1);
3109 }
3110 break;
3111 case QEMU_OPTION_kernel:
3112 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3113 break;
3114 case QEMU_OPTION_initrd:
3115 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3116 break;
3117 case QEMU_OPTION_append:
3118 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3119 break;
3120 case QEMU_OPTION_dtb:
3121 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3122 break;
3123 case QEMU_OPTION_cdrom:
3124 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3125 break;
3126 case QEMU_OPTION_boot:
3127 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3128 if (!opts) {
3129 exit(1);
3130 }
3131 break;
3132 case QEMU_OPTION_fda:
3133 case QEMU_OPTION_fdb:
3134 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3135 optarg, FD_OPTS);
3136 break;
3137 case QEMU_OPTION_no_fd_bootchk:
3138 fd_bootchk = 0;
3139 break;
3140 case QEMU_OPTION_netdev:
3141 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3142 exit(1);
3143 }
3144 break;
3145 case QEMU_OPTION_net:
3146 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3147 exit(1);
3148 }
3149 break;
3150 #ifdef CONFIG_LIBISCSI
3151 case QEMU_OPTION_iscsi:
3152 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3153 if (!opts) {
3154 exit(1);
3155 }
3156 break;
3157 #endif
3158 #ifdef CONFIG_SLIRP
3159 case QEMU_OPTION_tftp:
3160 legacy_tftp_prefix = optarg;
3161 break;
3162 case QEMU_OPTION_bootp:
3163 legacy_bootp_filename = optarg;
3164 break;
3165 case QEMU_OPTION_redir:
3166 if (net_slirp_redir(optarg) < 0)
3167 exit(1);
3168 break;
3169 #endif
3170 case QEMU_OPTION_bt:
3171 add_device_config(DEV_BT, optarg);
3172 break;
3173 case QEMU_OPTION_audio_help:
3174 AUD_help ();
3175 exit (0);
3176 break;
3177 case QEMU_OPTION_soundhw:
3178 select_soundhw (optarg);
3179 break;
3180 case QEMU_OPTION_h:
3181 help(0);
3182 break;
3183 case QEMU_OPTION_version:
3184 version();
3185 exit(0);
3186 break;
3187 case QEMU_OPTION_m: {
3188 int64_t value;
3189 uint64_t sz;
3190 char *end;
3191
3192 value = strtosz(optarg, &end);
3193 if (value < 0 || *end) {
3194 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3195 exit(1);
3196 }
3197 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3198 ram_size = sz;
3199 if (ram_size != sz) {
3200 fprintf(stderr, "qemu: ram size too large\n");
3201 exit(1);
3202 }
3203 break;
3204 }
3205 #ifdef CONFIG_TPM
3206 case QEMU_OPTION_tpmdev:
3207 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3208 exit(1);
3209 }
3210 break;
3211 #endif
3212 case QEMU_OPTION_mempath:
3213 mem_path = optarg;
3214 break;
3215 case QEMU_OPTION_mem_prealloc:
3216 mem_prealloc = 1;
3217 break;
3218 case QEMU_OPTION_d:
3219 log_mask = optarg;
3220 break;
3221 case QEMU_OPTION_D:
3222 log_file = optarg;
3223 break;
3224 case QEMU_OPTION_s:
3225 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3226 break;
3227 case QEMU_OPTION_gdb:
3228 add_device_config(DEV_GDB, optarg);
3229 break;
3230 case QEMU_OPTION_L:
3231 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3232 data_dir[data_dir_idx++] = optarg;
3233 }
3234 break;
3235 case QEMU_OPTION_bios:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3237 break;
3238 case QEMU_OPTION_singlestep:
3239 singlestep = 1;
3240 break;
3241 case QEMU_OPTION_S:
3242 autostart = 0;
3243 break;
3244 case QEMU_OPTION_k:
3245 keyboard_layout = optarg;
3246 break;
3247 case QEMU_OPTION_localtime:
3248 rtc_utc = 0;
3249 break;
3250 case QEMU_OPTION_vga:
3251 vga_model = optarg;
3252 default_vga = 0;
3253 break;
3254 case QEMU_OPTION_g:
3255 {
3256 const char *p;
3257 int w, h, depth;
3258 p = optarg;
3259 w = strtol(p, (char **)&p, 10);
3260 if (w <= 0) {
3261 graphic_error:
3262 fprintf(stderr, "qemu: invalid resolution or depth\n");
3263 exit(1);
3264 }
3265 if (*p != 'x')
3266 goto graphic_error;
3267 p++;
3268 h = strtol(p, (char **)&p, 10);
3269 if (h <= 0)
3270 goto graphic_error;
3271 if (*p == 'x') {
3272 p++;
3273 depth = strtol(p, (char **)&p, 10);
3274 if (depth != 8 && depth != 15 && depth != 16 &&
3275 depth != 24 && depth != 32)
3276 goto graphic_error;
3277 } else if (*p == '\0') {
3278 depth = graphic_depth;
3279 } else {
3280 goto graphic_error;
3281 }
3282
3283 graphic_width = w;
3284 graphic_height = h;
3285 graphic_depth = depth;
3286 }
3287 break;
3288 case QEMU_OPTION_echr:
3289 {
3290 char *r;
3291 term_escape_char = strtol(optarg, &r, 0);
3292 if (r == optarg)
3293 printf("Bad argument to echr\n");
3294 break;
3295 }
3296 case QEMU_OPTION_monitor:
3297 default_monitor = 0;
3298 if (strncmp(optarg, "none", 4)) {
3299 monitor_parse(optarg, "readline");
3300 }
3301 break;
3302 case QEMU_OPTION_qmp:
3303 monitor_parse(optarg, "control");
3304 default_monitor = 0;
3305 break;
3306 case QEMU_OPTION_mon:
3307 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3308 if (!opts) {
3309 exit(1);
3310 }
3311 default_monitor = 0;
3312 break;
3313 case QEMU_OPTION_chardev:
3314 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3315 if (!opts) {
3316 exit(1);
3317 }
3318 break;
3319 case QEMU_OPTION_fsdev:
3320 olist = qemu_find_opts("fsdev");
3321 if (!olist) {
3322 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3323 exit(1);
3324 }
3325 opts = qemu_opts_parse(olist, optarg, 1);
3326 if (!opts) {
3327 exit(1);
3328 }
3329 break;
3330 case QEMU_OPTION_virtfs: {
3331 QemuOpts *fsdev;
3332 QemuOpts *device;
3333 const char *writeout, *sock_fd, *socket;
3334
3335 olist = qemu_find_opts("virtfs");
3336 if (!olist) {
3337 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3338 exit(1);
3339 }
3340 opts = qemu_opts_parse(olist, optarg, 1);
3341 if (!opts) {
3342 exit(1);
3343 }
3344
3345 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3346 qemu_opt_get(opts, "mount_tag") == NULL) {
3347 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3348 exit(1);
3349 }
3350 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3351 qemu_opt_get(opts, "mount_tag"),
3352 1, NULL);
3353 if (!fsdev) {
3354 fprintf(stderr, "duplicate fsdev id: %s\n",
3355 qemu_opt_get(opts, "mount_tag"));
3356 exit(1);
3357 }
3358
3359 writeout = qemu_opt_get(opts, "writeout");
3360 if (writeout) {
3361 #ifdef CONFIG_SYNC_FILE_RANGE
3362 qemu_opt_set(fsdev, "writeout", writeout);
3363 #else
3364 fprintf(stderr, "writeout=immediate not supported on "
3365 "this platform\n");
3366 exit(1);
3367 #endif
3368 }
3369 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3370 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3371 qemu_opt_set(fsdev, "security_model",
3372 qemu_opt_get(opts, "security_model"));
3373 socket = qemu_opt_get(opts, "socket");
3374 if (socket) {
3375 qemu_opt_set(fsdev, "socket", socket);
3376 }
3377 sock_fd = qemu_opt_get(opts, "sock_fd");
3378 if (sock_fd) {
3379 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3380 }
3381
3382 qemu_opt_set_bool(fsdev, "readonly",
3383 qemu_opt_get_bool(opts, "readonly", 0));
3384 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3385 qemu_opt_set(device, "driver", "virtio-9p-pci");
3386 qemu_opt_set(device, "fsdev",
3387 qemu_opt_get(opts, "mount_tag"));
3388 qemu_opt_set(device, "mount_tag",
3389 qemu_opt_get(opts, "mount_tag"));
3390 break;
3391 }
3392 case QEMU_OPTION_virtfs_synth: {
3393 QemuOpts *fsdev;
3394 QemuOpts *device;
3395
3396 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3397 1, NULL);
3398 if (!fsdev) {
3399 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3400 exit(1);
3401 }
3402 qemu_opt_set(fsdev, "fsdriver", "synth");
3403
3404 device = qemu_opts_create_nofail(qemu_find_opts("device"));
3405 qemu_opt_set(device, "driver", "virtio-9p-pci");
3406 qemu_opt_set(device, "fsdev", "v_synth");
3407 qemu_opt_set(device, "mount_tag", "v_synth");
3408 break;
3409 }
3410 case QEMU_OPTION_serial:
3411 add_device_config(DEV_SERIAL, optarg);
3412 default_serial = 0;
3413 if (strncmp(optarg, "mon:", 4) == 0) {
3414 default_monitor = 0;
3415 }
3416 break;
3417 case QEMU_OPTION_watchdog:
3418 if (watchdog) {
3419 fprintf(stderr,
3420 "qemu: only one watchdog option may be given\n");
3421 return 1;
3422 }
3423 watchdog = optarg;
3424 break;
3425 case QEMU_OPTION_watchdog_action:
3426 if (select_watchdog_action(optarg) == -1) {
3427 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3428 exit(1);
3429 }
3430 break;
3431 case QEMU_OPTION_virtiocon:
3432 add_device_config(DEV_VIRTCON, optarg);
3433 default_virtcon = 0;
3434 if (strncmp(optarg, "mon:", 4) == 0) {
3435 default_monitor = 0;
3436 }
3437 break;
3438 case QEMU_OPTION_parallel:
3439 add_device_config(DEV_PARALLEL, optarg);
3440 default_parallel = 0;
3441 if (strncmp(optarg, "mon:", 4) == 0) {
3442 default_monitor = 0;
3443 }
3444 break;
3445 case QEMU_OPTION_debugcon:
3446 add_device_config(DEV_DEBUGCON, optarg);
3447 break;
3448 case QEMU_OPTION_loadvm:
3449 loadvm = optarg;
3450 break;
3451 case QEMU_OPTION_full_screen:
3452 full_screen = 1;
3453 break;
3454 case QEMU_OPTION_no_frame:
3455 no_frame = 1;
3456 break;
3457 case QEMU_OPTION_alt_grab:
3458 alt_grab = 1;
3459 break;
3460 case QEMU_OPTION_ctrl_grab:
3461 ctrl_grab = 1;
3462 break;
3463 case QEMU_OPTION_no_quit:
3464 no_quit = 1;
3465 break;
3466 case QEMU_OPTION_sdl:
3467 #ifdef CONFIG_SDL
3468 display_type = DT_SDL;
3469 break;
3470 #else
3471 fprintf(stderr, "SDL support is disabled\n");
3472 exit(1);
3473 #endif
3474 case QEMU_OPTION_pidfile:
3475 pid_file = optarg;
3476 break;
3477 case QEMU_OPTION_win2k_hack:
3478 win2k_install_hack = 1;
3479 break;
3480 case QEMU_OPTION_rtc_td_hack: {
3481 static GlobalProperty slew_lost_ticks[] = {
3482 {
3483 .driver = "mc146818rtc",
3484 .property = "lost_tick_policy",
3485 .value = "slew",
3486 },
3487 { /* end of list */ }
3488 };
3489
3490 qdev_prop_register_global_list(slew_lost_ticks);
3491 break;
3492 }
3493 case QEMU_OPTION_acpitable:
3494 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3495 if (!opts) {
3496 exit(1);
3497 }
3498 do_acpitable_option(opts);
3499 break;
3500 case QEMU_OPTION_smbios:
3501 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3502 if (!opts) {
3503 exit(1);
3504 }
3505 do_smbios_option(opts);
3506 break;
3507 case QEMU_OPTION_enable_kvm:
3508 olist = qemu_find_opts("machine");
3509 qemu_opts_parse(olist, "accel=kvm", 0);
3510 break;
3511 case QEMU_OPTION_machine:
3512 olist = qemu_find_opts("machine");
3513 opts = qemu_opts_parse(olist, optarg, 1);
3514 if (!opts) {
3515 exit(1);
3516 }
3517 optarg = qemu_opt_get(opts, "type");
3518 if (optarg) {
3519 machine = machine_parse(optarg);
3520 }
3521 break;
3522 case QEMU_OPTION_no_kvm:
3523 olist = qemu_find_opts("machine");
3524 qemu_opts_parse(olist, "accel=tcg", 0);
3525 break;
3526 case QEMU_OPTION_no_kvm_pit: {
3527 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3528 "separately.\n");
3529 break;
3530 }
3531 case QEMU_OPTION_no_kvm_pit_reinjection: {
3532 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3533 {
3534 .driver = "kvm-pit",
3535 .property = "lost_tick_policy",
3536 .value = "discard",
3537 },
3538 { /* end of list */ }
3539 };
3540
3541 fprintf(stderr, "Warning: option deprecated, use "
3542 "lost_tick_policy property of kvm-pit instead.\n");
3543 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3544 break;
3545 }
3546 case QEMU_OPTION_usb:
3547 olist = qemu_find_opts("machine");
3548 qemu_opts_parse(olist, "usb=on", 0);
3549 break;
3550 case QEMU_OPTION_usbdevice:
3551 olist = qemu_find_opts("machine");
3552 qemu_opts_parse(olist, "usb=on", 0);
3553 add_device_config(DEV_USB, optarg);
3554 break;
3555 case QEMU_OPTION_device:
3556 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3557 exit(1);
3558 }
3559 break;
3560 case QEMU_OPTION_smp:
3561 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3562 exit(1);
3563 }
3564 break;
3565 case QEMU_OPTION_vnc:
3566 #ifdef CONFIG_VNC
3567 display_remote++;
3568 vnc_display = optarg;
3569 #else
3570 fprintf(stderr, "VNC support is disabled\n");
3571 exit(1);
3572 #endif
3573 break;
3574 case QEMU_OPTION_no_acpi:
3575 acpi_enabled = 0;
3576 break;
3577 case QEMU_OPTION_no_hpet:
3578 no_hpet = 1;
3579 break;
3580 case QEMU_OPTION_balloon:
3581 if (balloon_parse(optarg) < 0) {
3582 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3583 exit(1);
3584 }
3585 break;
3586 case QEMU_OPTION_no_reboot:
3587 no_reboot = 1;
3588 break;
3589 case QEMU_OPTION_no_shutdown:
3590 no_shutdown = 1;
3591 break;
3592 case QEMU_OPTION_show_cursor:
3593 cursor_hide = 0;
3594 break;
3595 case QEMU_OPTION_uuid:
3596 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3597 fprintf(stderr, "Fail to parse UUID string."
3598 " Wrong format.\n");
3599 exit(1);
3600 }
3601 qemu_uuid_set = true;
3602 break;
3603 case QEMU_OPTION_option_rom:
3604 if (nb_option_roms >= MAX_OPTION_ROMS) {
3605 fprintf(stderr, "Too many option ROMs\n");
3606 exit(1);
3607 }
3608 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3609 if (!opts) {
3610 exit(1);
3611 }
3612 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3613 option_rom[nb_option_roms].bootindex =
3614 qemu_opt_get_number(opts, "bootindex", -1);
3615 if (!option_rom[nb_option_roms].name) {
3616 fprintf(stderr, "Option ROM file is not specified\n");
3617 exit(1);
3618 }
3619 nb_option_roms++;
3620 break;
3621 case QEMU_OPTION_semihosting:
3622 semihosting_enabled = 1;
3623 break;
3624 case QEMU_OPTION_tdf:
3625 fprintf(stderr, "Warning: user space PIT time drift fix "
3626 "is no longer supported.\n");
3627 break;
3628 case QEMU_OPTION_name:
3629 qemu_name = g_strdup(optarg);
3630 {
3631 char *p = strchr(qemu_name, ',');
3632 if (p != NULL) {
3633 *p++ = 0;
3634 if (strncmp(p, "process=", 8)) {
3635 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3636 exit(1);
3637 }
3638 p += 8;
3639 os_set_proc_name(p);
3640 }
3641 }
3642 break;
3643 case QEMU_OPTION_prom_env:
3644 if (nb_prom_envs >= MAX_PROM_ENVS) {
3645 fprintf(stderr, "Too many prom variables\n");
3646 exit(1);
3647 }
3648 prom_envs[nb_prom_envs] = optarg;
3649 nb_prom_envs++;
3650 break;
3651 case QEMU_OPTION_old_param:
3652 old_param = 1;
3653 break;
3654 case QEMU_OPTION_clock:
3655 /* Clock options no longer exist. Keep this option for
3656 * backward compatibility.
3657 */
3658 break;
3659 case QEMU_OPTION_startdate:
3660 configure_rtc_date_offset(optarg, 1);
3661 break;
3662 case QEMU_OPTION_rtc:
3663 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3664 if (!opts) {
3665 exit(1);
3666 }
3667 configure_rtc(opts);
3668 break;
3669 case QEMU_OPTION_tb_size:
3670 tcg_tb_size = strtol(optarg, NULL, 0);
3671 if (tcg_tb_size < 0) {
3672 tcg_tb_size = 0;
3673 }
3674 break;
3675 case QEMU_OPTION_icount:
3676 icount_option = optarg;
3677 break;
3678 case QEMU_OPTION_incoming:
3679 incoming = optarg;
3680 runstate_set(RUN_STATE_INMIGRATE);
3681 break;
3682 case QEMU_OPTION_nodefaults:
3683 default_serial = 0;
3684 default_parallel = 0;
3685 default_virtcon = 0;
3686 default_sclp = 0;
3687 default_monitor = 0;
3688 default_net = 0;
3689 default_floppy = 0;
3690 default_cdrom = 0;
3691 default_sdcard = 0;
3692 default_vga = 0;
3693 break;
3694 case QEMU_OPTION_xen_domid:
3695 if (!(xen_available())) {
3696 printf("Option %s not supported for this target\n", popt->name);
3697 exit(1);
3698 }
3699 xen_domid = atoi(optarg);
3700 break;
3701 case QEMU_OPTION_xen_create:
3702 if (!(xen_available())) {
3703 printf("Option %s not supported for this target\n", popt->name);
3704 exit(1);
3705 }
3706 xen_mode = XEN_CREATE;
3707 break;
3708 case QEMU_OPTION_xen_attach:
3709 if (!(xen_available())) {
3710 printf("Option %s not supported for this target\n", popt->name);
3711 exit(1);
3712 }
3713 xen_mode = XEN_ATTACH;
3714 break;
3715 case QEMU_OPTION_trace:
3716 {
3717 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3718 if (!opts) {
3719 exit(1);
3720 }
3721 trace_events = qemu_opt_get(opts, "events");
3722 trace_file = qemu_opt_get(opts, "file");
3723 break;
3724 }
3725 case QEMU_OPTION_readconfig:
3726 {
3727 int ret = qemu_read_config_file(optarg);
3728 if (ret < 0) {
3729 fprintf(stderr, "read config %s: %s\n", optarg,
3730 strerror(-ret));
3731 exit(1);
3732 }
3733 break;
3734 }
3735 case QEMU_OPTION_spice:
3736 olist = qemu_find_opts("spice");
3737 if (!olist) {
3738 fprintf(stderr, "spice is not supported by this qemu build.\n");
3739 exit(1);
3740 }
3741 opts = qemu_opts_parse(olist, optarg, 0);
3742 if (!opts) {
3743 exit(1);
3744 }
3745 display_remote++;
3746 break;
3747 case QEMU_OPTION_writeconfig:
3748 {
3749 FILE *fp;
3750 if (strcmp(optarg, "-") == 0) {
3751 fp = stdout;
3752 } else {
3753 fp = fopen(optarg, "w");
3754 if (fp == NULL) {
3755 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3756 exit(1);
3757 }
3758 }
3759 qemu_config_write(fp);
3760 fclose(fp);
3761 break;
3762 }
3763 case QEMU_OPTION_qtest:
3764 qtest_chrdev = optarg;
3765 break;
3766 case QEMU_OPTION_qtest_log:
3767 qtest_log = optarg;
3768 break;
3769 case QEMU_OPTION_sandbox:
3770 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3771 if (!opts) {
3772 exit(1);
3773 }
3774 break;
3775 case QEMU_OPTION_add_fd:
3776 #ifndef _WIN32
3777 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3778 if (!opts) {
3779 exit(1);
3780 }
3781 #else
3782 error_report("File descriptor passing is disabled on this "
3783 "platform");
3784 exit(1);
3785 #endif
3786 break;
3787 case QEMU_OPTION_object:
3788 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3789 if (!opts) {
3790 exit(1);
3791 }
3792 break;
3793 case QEMU_OPTION_realtime:
3794 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3795 if (!opts) {
3796 exit(1);
3797 }
3798 configure_realtime(opts);
3799 break;
3800 case QEMU_OPTION_msg:
3801 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3802 if (!opts) {
3803 exit(1);
3804 }
3805 configure_msg(opts);
3806 break;
3807 default:
3808 os_parse_cmd_args(popt->index, optarg);
3809 }
3810 }
3811 }
3812 loc_set_none();
3813
3814 if (qemu_init_main_loop()) {
3815 fprintf(stderr, "qemu_init_main_loop failed\n");
3816 exit(1);
3817 }
3818
3819 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3820 exit(1);
3821 }
3822
3823 #ifndef _WIN32
3824 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3825 exit(1);
3826 }
3827
3828 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3829 exit(1);
3830 }
3831 #endif
3832
3833 if (machine == NULL) {
3834 fprintf(stderr, "No machine found.\n");
3835 exit(1);
3836 }
3837
3838 if (machine->hw_version) {
3839 qemu_set_version(machine->hw_version);
3840 }
3841
3842 if (qemu_opts_foreach(qemu_find_opts("object"),
3843 object_create, NULL, 0) != 0) {
3844 exit(1);
3845 }
3846
3847 /* Init CPU def lists, based on config
3848 * - Must be called after all the qemu_read_config_file() calls
3849 * - Must be called before list_cpus()
3850 * - Must be called before machine->init()
3851 */
3852 cpudef_init();
3853
3854 if (cpu_model && is_help_option(cpu_model)) {
3855 list_cpus(stdout, &fprintf, cpu_model);
3856 exit(0);
3857 }
3858
3859 /* Open the logfile at this point, if necessary. We can't open the logfile
3860 * when encountering either of the logging options (-d or -D) because the
3861 * other one may be encountered later on the command line, changing the
3862 * location or level of logging.
3863 */
3864 if (log_mask) {
3865 int mask;
3866 if (log_file) {
3867 qemu_set_log_filename(log_file);
3868 }
3869
3870 mask = qemu_str_to_log_mask(log_mask);
3871 if (!mask) {
3872 qemu_print_log_usage(stdout);
3873 exit(1);
3874 }
3875 qemu_set_log(mask);
3876 }
3877
3878 if (!trace_backend_init(trace_events, trace_file)) {
3879 exit(1);
3880 }
3881
3882 /* If no data_dir is specified then try to find it relative to the
3883 executable path. */
3884 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3885 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3886 if (data_dir[data_dir_idx] != NULL) {
3887 data_dir_idx++;
3888 }
3889 }
3890 /* If all else fails use the install path specified when building. */
3891 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3892 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3893 }
3894
3895 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3896
3897 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3898 if (smp_cpus > machine->max_cpus) {
3899 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3900 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3901 machine->max_cpus);
3902 exit(1);
3903 }
3904
3905 /*
3906 * Get the default machine options from the machine if it is not already
3907 * specified either by the configuration file or by the command line.
3908 */
3909 if (machine->default_machine_opts) {
3910 qemu_opts_set_defaults(qemu_find_opts("machine"),
3911 machine->default_machine_opts, 0);
3912 }
3913
3914 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3915 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3916
3917 if (machine->no_serial) {
3918 default_serial = 0;
3919 }
3920 if (machine->no_parallel) {
3921 default_parallel = 0;
3922 }
3923 if (!machine->use_virtcon) {
3924 default_virtcon = 0;
3925 }
3926 if (!machine->use_sclp) {
3927 default_sclp = 0;
3928 }
3929 if (machine->no_floppy) {
3930 default_floppy = 0;
3931 }
3932 if (machine->no_cdrom) {
3933 default_cdrom = 0;
3934 }
3935 if (machine->no_sdcard) {
3936 default_sdcard = 0;
3937 }
3938
3939 if (is_daemonized()) {
3940 /* According to documentation and historically, -nographic redirects
3941 * serial port, parallel port and monitor to stdio, which does not work
3942 * with -daemonize. We can redirect these to null instead, but since
3943 * -nographic is legacy, let's just error out.
3944 * We disallow -nographic only if all other ports are not redirected
3945 * explicitly, to not break existing legacy setups which uses
3946 * -nographic _and_ redirects all ports explicitly - this is valid
3947 * usage, -nographic is just a no-op in this case.
3948 */
3949 if (display_type == DT_NOGRAPHIC
3950 && (default_parallel || default_serial
3951 || default_monitor || default_virtcon)) {
3952 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3953 exit(1);
3954 }
3955 #ifdef CONFIG_CURSES
3956 if (display_type == DT_CURSES) {
3957 fprintf(stderr, "curses display can not be used with -daemonize\n");
3958 exit(1);
3959 }
3960 #endif
3961 }
3962
3963 if (display_type == DT_NOGRAPHIC) {
3964 if (default_parallel)
3965 add_device_config(DEV_PARALLEL, "null");
3966 if (default_serial && default_monitor) {
3967 add_device_config(DEV_SERIAL, "mon:stdio");
3968 } else if (default_virtcon && default_monitor) {
3969 add_device_config(DEV_VIRTCON, "mon:stdio");
3970 } else if (default_sclp && default_monitor) {
3971 add_device_config(DEV_SCLP, "mon:stdio");
3972 } else {
3973 if (default_serial)
3974 add_device_config(DEV_SERIAL, "stdio");
3975 if (default_virtcon)
3976 add_device_config(DEV_VIRTCON, "stdio");
3977 if (default_sclp) {
3978 add_device_config(DEV_SCLP, "stdio");
3979 }
3980 if (default_monitor)
3981 monitor_parse("stdio", "readline");
3982 }
3983 } else {
3984 if (default_serial)
3985 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3986 if (default_parallel)
3987 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3988 if (default_monitor)
3989 monitor_parse("vc:80Cx24C", "readline");
3990 if (default_virtcon)
3991 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3992 if (default_sclp) {
3993 add_device_config(DEV_SCLP, "vc:80Cx24C");
3994 }
3995 }
3996
3997 if (display_type == DT_DEFAULT && !display_remote) {
3998 #if defined(CONFIG_GTK)
3999 display_type = DT_GTK;
4000 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4001 display_type = DT_SDL;
4002 #elif defined(CONFIG_VNC)
4003 vnc_display = "localhost:0,to=99";
4004 show_vnc_port = 1;
4005 #else
4006 display_type = DT_NONE;
4007 #endif
4008 }
4009
4010 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4011 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4012 "for SDL, ignoring option\n");
4013 }
4014 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4015 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4016 "ignoring option\n");
4017 }
4018
4019 #if defined(CONFIG_GTK)
4020 if (display_type == DT_GTK) {
4021 early_gtk_display_init();
4022 }
4023 #endif
4024
4025 socket_init();
4026
4027 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4028 exit(1);
4029 #ifdef CONFIG_VIRTFS
4030 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4031 exit(1);
4032 }
4033 #endif
4034
4035 os_daemonize();
4036
4037 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4038 os_pidfile_error();
4039 exit(1);
4040 }
4041
4042 /* init the memory */
4043 if (ram_size == 0) {
4044 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4045 }
4046
4047 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4048 != 0) {
4049 exit(0);
4050 }
4051
4052 configure_accelerator();
4053
4054 if (qtest_chrdev) {
4055 qtest_init(qtest_chrdev, qtest_log);
4056 }
4057
4058 machine_opts = qemu_get_machine_opts();
4059 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4060 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4061 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4062 bios_name = qemu_opt_get(machine_opts, "firmware");
4063
4064 boot_order = machine->default_boot_order;
4065 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4066 if (opts) {
4067 char *normal_boot_order;
4068 const char *order, *once;
4069
4070 order = qemu_opt_get(opts, "order");
4071 if (order) {
4072 validate_bootdevices(order);
4073 boot_order = order;
4074 }
4075
4076 once = qemu_opt_get(opts, "once");
4077 if (once) {
4078 validate_bootdevices(once);
4079 normal_boot_order = g_strdup(boot_order);
4080 boot_order = once;
4081 qemu_register_reset(restore_boot_order, normal_boot_order);
4082 }
4083
4084 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4085 }
4086
4087 if (!kernel_cmdline) {
4088 kernel_cmdline = "";
4089 }
4090
4091 linux_boot = (kernel_filename != NULL);
4092
4093 if (!linux_boot && *kernel_cmdline != '\0') {
4094 fprintf(stderr, "-append only allowed with -kernel option\n");
4095 exit(1);
4096 }
4097
4098 if (!linux_boot && initrd_filename != NULL) {
4099 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4100 exit(1);
4101 }
4102
4103 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4104 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4105 exit(1);
4106 }
4107
4108 os_set_line_buffering();
4109
4110 qemu_init_cpu_loop();
4111 qemu_mutex_lock_iothread();
4112
4113 #ifdef CONFIG_SPICE
4114 /* spice needs the timers to be initialized by this point */
4115 qemu_spice_init();
4116 #endif
4117
4118 if (icount_option && (kvm_enabled() || xen_enabled())) {
4119 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4120 exit(1);
4121 }
4122 configure_icount(icount_option);
4123
4124 /* clean up network at qemu process termination */
4125 atexit(&net_cleanup);
4126
4127 if (net_init_clients() < 0) {
4128 exit(1);
4129 }
4130
4131 #ifdef CONFIG_TPM
4132 if (tpm_init() < 0) {
4133 exit(1);
4134 }
4135 #endif
4136
4137 /* init the bluetooth world */
4138 if (foreach_device_config(DEV_BT, bt_parse))
4139 exit(1);
4140
4141 if (!xen_enabled()) {
4142 /* On 32-bit hosts, QEMU is limited by virtual address space */
4143 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4144 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4145 exit(1);
4146 }
4147 }
4148
4149 cpu_exec_init_all();
4150
4151 blk_mig_init();
4152
4153 /* open the virtual block devices */
4154 if (snapshot)
4155 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4156 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4157 &machine->block_default_type, 1) != 0) {
4158 exit(1);
4159 }
4160
4161 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4162 CDROM_OPTS);
4163 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4164 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4165
4166 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4167
4168 if (nb_numa_nodes > 0) {
4169 int i;
4170
4171 if (nb_numa_nodes > MAX_NODES) {
4172 nb_numa_nodes = MAX_NODES;
4173 }
4174
4175 /* If no memory size if given for any node, assume the default case
4176 * and distribute the available memory equally across all nodes
4177 */
4178 for (i = 0; i < nb_numa_nodes; i++) {
4179 if (node_mem[i] != 0)
4180 break;
4181 }
4182 if (i == nb_numa_nodes) {
4183 uint64_t usedmem = 0;
4184
4185 /* On Linux, the each node's border has to be 8MB aligned,
4186 * the final node gets the rest.
4187 */
4188 for (i = 0; i < nb_numa_nodes - 1; i++) {
4189 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4190 usedmem += node_mem[i];
4191 }
4192 node_mem[i] = ram_size - usedmem;
4193 }
4194
4195 for (i = 0; i < nb_numa_nodes; i++) {
4196 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4197 break;
4198 }
4199 }
4200 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4201 * must cope with this anyway, because there are BIOSes out there in
4202 * real machines which also use this scheme.
4203 */
4204 if (i == nb_numa_nodes) {
4205 for (i = 0; i < max_cpus; i++) {
4206 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4207 }
4208 }
4209 }
4210
4211 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4212 exit(1);
4213 }
4214
4215 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4216 exit(1);
4217 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4218 exit(1);
4219 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4220 exit(1);
4221 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4222 exit(1);
4223 }
4224 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4225 exit(1);
4226
4227 /* If no default VGA is requested, the default is "none". */
4228 if (default_vga) {
4229 if (cirrus_vga_available()) {
4230 vga_model = "cirrus";
4231 } else if (vga_available()) {
4232 vga_model = "std";
4233 }
4234 }
4235 select_vgahw(vga_model);
4236
4237 if (watchdog) {
4238 i = select_watchdog(watchdog);
4239 if (i > 0)
4240 exit (i == 1 ? 1 : 0);
4241 }
4242
4243 if (machine->compat_props) {
4244 qdev_prop_register_global_list(machine->compat_props);
4245 }
4246 qemu_add_globals();
4247
4248 qdev_machine_init();
4249
4250 QEMUMachineInitArgs args = { .machine = machine,
4251 .ram_size = ram_size,
4252 .boot_order = boot_order,
4253 .kernel_filename = kernel_filename,
4254 .kernel_cmdline = kernel_cmdline,
4255 .initrd_filename = initrd_filename,
4256 .cpu_model = cpu_model };
4257 machine->init(&args);
4258
4259 audio_init();
4260
4261 cpu_synchronize_all_post_init();
4262
4263 set_numa_modes();
4264
4265 current_machine = machine;
4266
4267 /* init USB devices */
4268 if (usb_enabled(false)) {
4269 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4270 exit(1);
4271 }
4272
4273 /* init generic devices */
4274 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4275 exit(1);
4276
4277 net_check_clients();
4278
4279 ds = init_displaystate();
4280
4281 /* init local displays */
4282 switch (display_type) {
4283 case DT_NOGRAPHIC:
4284 (void)ds; /* avoid warning if no display is configured */
4285 break;
4286 #if defined(CONFIG_CURSES)
4287 case DT_CURSES:
4288 curses_display_init(ds, full_screen);
4289 break;
4290 #endif
4291 #if defined(CONFIG_SDL)
4292 case DT_SDL:
4293 sdl_display_init(ds, full_screen, no_frame);
4294 break;
4295 #elif defined(CONFIG_COCOA)
4296 case DT_SDL:
4297 cocoa_display_init(ds, full_screen);
4298 break;
4299 #endif
4300 #if defined(CONFIG_GTK)
4301 case DT_GTK:
4302 gtk_display_init(ds, full_screen);
4303 break;
4304 #endif
4305 default:
4306 break;
4307 }
4308
4309 /* must be after terminal init, SDL library changes signal handlers */
4310 os_setup_signal_handling();
4311
4312 #ifdef CONFIG_VNC
4313 /* init remote displays */
4314 if (vnc_display) {
4315 Error *local_err = NULL;
4316 vnc_display_init(ds);
4317 vnc_display_open(ds, vnc_display, &local_err);
4318 if (local_err != NULL) {
4319 error_report("Failed to start VNC server on `%s': %s",
4320 vnc_display, error_get_pretty(local_err));
4321 error_free(local_err);
4322 exit(1);
4323 }
4324
4325 if (show_vnc_port) {
4326 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4327 }
4328 }
4329 #endif
4330 #ifdef CONFIG_SPICE
4331 if (using_spice) {
4332 qemu_spice_display_init();
4333 }
4334 #endif
4335
4336 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4337 exit(1);
4338 }
4339
4340 qdev_machine_creation_done();
4341
4342 if (rom_load_all() != 0) {
4343 fprintf(stderr, "rom loading failed\n");
4344 exit(1);
4345 }
4346
4347 /* TODO: once all bus devices are qdevified, this should be done
4348 * when bus is created by qdev.c */
4349 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4350 qemu_run_machine_init_done_notifiers();
4351
4352 /* Done notifiers can load ROMs */
4353 rom_load_done();
4354
4355 qemu_system_reset(VMRESET_SILENT);
4356 if (loadvm) {
4357 if (load_vmstate(loadvm) < 0) {
4358 autostart = 0;
4359 }
4360 }
4361
4362 if (incoming) {
4363 Error *local_err = NULL;
4364 qemu_start_incoming_migration(incoming, &local_err);
4365 if (local_err) {
4366 error_report("-incoming %s: %s", incoming,
4367 error_get_pretty(local_err));
4368 error_free(local_err);
4369 exit(1);
4370 }
4371 } else if (autostart) {
4372 vm_start();
4373 }
4374
4375 os_setup_post();
4376
4377 main_loop();
4378 bdrv_close_all();
4379 pause_all_vcpus();
4380 res_free();
4381 #ifdef CONFIG_TPM
4382 tpm_cleanup();
4383 #endif
4384
4385 return 0;
4386 }
QEMU modified to work with kvm