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1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <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 static 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_BOOL,
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(list, NULL, 0, &error_abort);
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(qemu_find_opts("device"), NULL, 0,
2259 &error_abort);
2260 }
2261 qemu_opt_set(opts, "driver", "virtio-balloon");
2262 return 0;
2263 }
2264
2265 return -1;
2266 }
2267
2268 char *qemu_find_file(int type, const char *name)
2269 {
2270 int i;
2271 const char *subdir;
2272 char *buf;
2273
2274 /* Try the name as a straight path first */
2275 if (access(name, R_OK) == 0) {
2276 trace_load_file(name, name);
2277 return g_strdup(name);
2278 }
2279
2280 switch (type) {
2281 case QEMU_FILE_TYPE_BIOS:
2282 subdir = "";
2283 break;
2284 case QEMU_FILE_TYPE_KEYMAP:
2285 subdir = "keymaps/";
2286 break;
2287 default:
2288 abort();
2289 }
2290
2291 for (i = 0; i < data_dir_idx; i++) {
2292 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2293 if (access(buf, R_OK) == 0) {
2294 trace_load_file(name, buf);
2295 return buf;
2296 }
2297 g_free(buf);
2298 }
2299 return NULL;
2300 }
2301
2302 static int device_help_func(QemuOpts *opts, void *opaque)
2303 {
2304 return qdev_device_help(opts);
2305 }
2306
2307 static int device_init_func(QemuOpts *opts, void *opaque)
2308 {
2309 DeviceState *dev;
2310
2311 dev = qdev_device_add(opts);
2312 if (!dev)
2313 return -1;
2314 object_unref(OBJECT(dev));
2315 return 0;
2316 }
2317
2318 static int chardev_init_func(QemuOpts *opts, void *opaque)
2319 {
2320 Error *local_err = NULL;
2321
2322 qemu_chr_new_from_opts(opts, NULL, &local_err);
2323 if (error_is_set(&local_err)) {
2324 error_report("%s", error_get_pretty(local_err));
2325 error_free(local_err);
2326 return -1;
2327 }
2328 return 0;
2329 }
2330
2331 #ifdef CONFIG_VIRTFS
2332 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2333 {
2334 int ret;
2335 ret = qemu_fsdev_add(opts);
2336
2337 return ret;
2338 }
2339 #endif
2340
2341 static int mon_init_func(QemuOpts *opts, void *opaque)
2342 {
2343 CharDriverState *chr;
2344 const char *chardev;
2345 const char *mode;
2346 int flags;
2347
2348 mode = qemu_opt_get(opts, "mode");
2349 if (mode == NULL) {
2350 mode = "readline";
2351 }
2352 if (strcmp(mode, "readline") == 0) {
2353 flags = MONITOR_USE_READLINE;
2354 } else if (strcmp(mode, "control") == 0) {
2355 flags = MONITOR_USE_CONTROL;
2356 } else {
2357 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2358 exit(1);
2359 }
2360
2361 if (qemu_opt_get_bool(opts, "pretty", 0))
2362 flags |= MONITOR_USE_PRETTY;
2363
2364 if (qemu_opt_get_bool(opts, "default", 0))
2365 flags |= MONITOR_IS_DEFAULT;
2366
2367 chardev = qemu_opt_get(opts, "chardev");
2368 chr = qemu_chr_find(chardev);
2369 if (chr == NULL) {
2370 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2371 exit(1);
2372 }
2373
2374 qemu_chr_fe_claim_no_fail(chr);
2375 monitor_init(chr, flags);
2376 return 0;
2377 }
2378
2379 static void monitor_parse(const char *optarg, const char *mode)
2380 {
2381 static int monitor_device_index = 0;
2382 QemuOpts *opts;
2383 const char *p;
2384 char label[32];
2385 int def = 0;
2386
2387 if (strstart(optarg, "chardev:", &p)) {
2388 snprintf(label, sizeof(label), "%s", p);
2389 } else {
2390 snprintf(label, sizeof(label), "compat_monitor%d",
2391 monitor_device_index);
2392 if (monitor_device_index == 0) {
2393 def = 1;
2394 }
2395 opts = qemu_chr_parse_compat(label, optarg);
2396 if (!opts) {
2397 fprintf(stderr, "parse error: %s\n", optarg);
2398 exit(1);
2399 }
2400 }
2401
2402 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2403 if (!opts) {
2404 fprintf(stderr, "duplicate chardev: %s\n", label);
2405 exit(1);
2406 }
2407 qemu_opt_set(opts, "mode", mode);
2408 qemu_opt_set(opts, "chardev", label);
2409 if (def)
2410 qemu_opt_set(opts, "default", "on");
2411 monitor_device_index++;
2412 }
2413
2414 struct device_config {
2415 enum {
2416 DEV_USB, /* -usbdevice */
2417 DEV_BT, /* -bt */
2418 DEV_SERIAL, /* -serial */
2419 DEV_PARALLEL, /* -parallel */
2420 DEV_VIRTCON, /* -virtioconsole */
2421 DEV_DEBUGCON, /* -debugcon */
2422 DEV_GDB, /* -gdb, -s */
2423 DEV_SCLP, /* s390 sclp */
2424 } type;
2425 const char *cmdline;
2426 Location loc;
2427 QTAILQ_ENTRY(device_config) next;
2428 };
2429
2430 static QTAILQ_HEAD(, device_config) device_configs =
2431 QTAILQ_HEAD_INITIALIZER(device_configs);
2432
2433 static void add_device_config(int type, const char *cmdline)
2434 {
2435 struct device_config *conf;
2436
2437 conf = g_malloc0(sizeof(*conf));
2438 conf->type = type;
2439 conf->cmdline = cmdline;
2440 loc_save(&conf->loc);
2441 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2442 }
2443
2444 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2445 {
2446 struct device_config *conf;
2447 int rc;
2448
2449 QTAILQ_FOREACH(conf, &device_configs, next) {
2450 if (conf->type != type)
2451 continue;
2452 loc_push_restore(&conf->loc);
2453 rc = func(conf->cmdline);
2454 loc_pop(&conf->loc);
2455 if (0 != rc)
2456 return rc;
2457 }
2458 return 0;
2459 }
2460
2461 static int serial_parse(const char *devname)
2462 {
2463 static int index = 0;
2464 char label[32];
2465
2466 if (strcmp(devname, "none") == 0)
2467 return 0;
2468 if (index == MAX_SERIAL_PORTS) {
2469 fprintf(stderr, "qemu: too many serial ports\n");
2470 exit(1);
2471 }
2472 snprintf(label, sizeof(label), "serial%d", index);
2473 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2474 if (!serial_hds[index]) {
2475 fprintf(stderr, "qemu: could not connect serial device"
2476 " to character backend '%s'\n", devname);
2477 return -1;
2478 }
2479 index++;
2480 return 0;
2481 }
2482
2483 static int parallel_parse(const char *devname)
2484 {
2485 static int index = 0;
2486 char label[32];
2487
2488 if (strcmp(devname, "none") == 0)
2489 return 0;
2490 if (index == MAX_PARALLEL_PORTS) {
2491 fprintf(stderr, "qemu: too many parallel ports\n");
2492 exit(1);
2493 }
2494 snprintf(label, sizeof(label), "parallel%d", index);
2495 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2496 if (!parallel_hds[index]) {
2497 fprintf(stderr, "qemu: could not connect parallel device"
2498 " to character backend '%s'\n", devname);
2499 return -1;
2500 }
2501 index++;
2502 return 0;
2503 }
2504
2505 static int virtcon_parse(const char *devname)
2506 {
2507 QemuOptsList *device = qemu_find_opts("device");
2508 static int index = 0;
2509 char label[32];
2510 QemuOpts *bus_opts, *dev_opts;
2511
2512 if (strcmp(devname, "none") == 0)
2513 return 0;
2514 if (index == MAX_VIRTIO_CONSOLES) {
2515 fprintf(stderr, "qemu: too many virtio consoles\n");
2516 exit(1);
2517 }
2518
2519 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2520 if (arch_type == QEMU_ARCH_S390X) {
2521 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2522 } else {
2523 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2524 }
2525
2526 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2527 qemu_opt_set(dev_opts, "driver", "virtconsole");
2528
2529 snprintf(label, sizeof(label), "virtcon%d", index);
2530 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2531 if (!virtcon_hds[index]) {
2532 fprintf(stderr, "qemu: could not connect virtio console"
2533 " to character backend '%s'\n", devname);
2534 return -1;
2535 }
2536 qemu_opt_set(dev_opts, "chardev", label);
2537
2538 index++;
2539 return 0;
2540 }
2541
2542 static int sclp_parse(const char *devname)
2543 {
2544 QemuOptsList *device = qemu_find_opts("device");
2545 static int index = 0;
2546 char label[32];
2547 QemuOpts *dev_opts;
2548
2549 if (strcmp(devname, "none") == 0) {
2550 return 0;
2551 }
2552 if (index == MAX_SCLP_CONSOLES) {
2553 fprintf(stderr, "qemu: too many sclp consoles\n");
2554 exit(1);
2555 }
2556
2557 assert(arch_type == QEMU_ARCH_S390X);
2558
2559 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2560 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2561
2562 snprintf(label, sizeof(label), "sclpcon%d", index);
2563 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2564 if (!sclp_hds[index]) {
2565 fprintf(stderr, "qemu: could not connect sclp console"
2566 " to character backend '%s'\n", devname);
2567 return -1;
2568 }
2569 qemu_opt_set(dev_opts, "chardev", label);
2570
2571 index++;
2572 return 0;
2573 }
2574
2575 static int debugcon_parse(const char *devname)
2576 {
2577 QemuOpts *opts;
2578
2579 if (!qemu_chr_new("debugcon", devname, NULL)) {
2580 exit(1);
2581 }
2582 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2583 if (!opts) {
2584 fprintf(stderr, "qemu: already have a debugcon device\n");
2585 exit(1);
2586 }
2587 qemu_opt_set(opts, "driver", "isa-debugcon");
2588 qemu_opt_set(opts, "chardev", "debugcon");
2589 return 0;
2590 }
2591
2592 static QEMUMachine *machine_parse(const char *name)
2593 {
2594 QEMUMachine *m, *machine = NULL;
2595
2596 if (name) {
2597 machine = find_machine(name);
2598 }
2599 if (machine) {
2600 return machine;
2601 }
2602 printf("Supported machines are:\n");
2603 for (m = first_machine; m != NULL; m = m->next) {
2604 if (m->alias) {
2605 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2606 }
2607 printf("%-20s %s%s\n", m->name, m->desc,
2608 m->is_default ? " (default)" : "");
2609 }
2610 exit(!name || !is_help_option(name));
2611 }
2612
2613 static int tcg_init(void)
2614 {
2615 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2616 return 0;
2617 }
2618
2619 static struct {
2620 const char *opt_name;
2621 const char *name;
2622 int (*available)(void);
2623 int (*init)(void);
2624 bool *allowed;
2625 } accel_list[] = {
2626 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2627 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2628 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2629 { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed },
2630 };
2631
2632 static int configure_accelerator(void)
2633 {
2634 const char *p;
2635 char buf[10];
2636 int i, ret;
2637 bool accel_initialised = false;
2638 bool init_failed = false;
2639
2640 p = qemu_opt_get(qemu_get_machine_opts(), "accel");
2641 if (p == NULL) {
2642 /* Use the default "accelerator", tcg */
2643 p = "tcg";
2644 }
2645
2646 while (!accel_initialised && *p != '\0') {
2647 if (*p == ':') {
2648 p++;
2649 }
2650 p = get_opt_name(buf, sizeof (buf), p, ':');
2651 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2652 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2653 if (!accel_list[i].available()) {
2654 printf("%s not supported for this target\n",
2655 accel_list[i].name);
2656 continue;
2657 }
2658 *(accel_list[i].allowed) = true;
2659 ret = accel_list[i].init();
2660 if (ret < 0) {
2661 init_failed = true;
2662 fprintf(stderr, "failed to initialize %s: %s\n",
2663 accel_list[i].name,
2664 strerror(-ret));
2665 *(accel_list[i].allowed) = false;
2666 } else {
2667 accel_initialised = true;
2668 }
2669 break;
2670 }
2671 }
2672 if (i == ARRAY_SIZE(accel_list)) {
2673 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2674 }
2675 }
2676
2677 if (!accel_initialised) {
2678 if (!init_failed) {
2679 fprintf(stderr, "No accelerator found!\n");
2680 }
2681 exit(1);
2682 }
2683
2684 if (init_failed) {
2685 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2686 }
2687
2688 return !accel_initialised;
2689 }
2690
2691 void qemu_add_exit_notifier(Notifier *notify)
2692 {
2693 notifier_list_add(&exit_notifiers, notify);
2694 }
2695
2696 void qemu_remove_exit_notifier(Notifier *notify)
2697 {
2698 notifier_remove(notify);
2699 }
2700
2701 static void qemu_run_exit_notifiers(void)
2702 {
2703 notifier_list_notify(&exit_notifiers, NULL);
2704 }
2705
2706 void qemu_add_machine_init_done_notifier(Notifier *notify)
2707 {
2708 notifier_list_add(&machine_init_done_notifiers, notify);
2709 }
2710
2711 static void qemu_run_machine_init_done_notifiers(void)
2712 {
2713 notifier_list_notify(&machine_init_done_notifiers, NULL);
2714 }
2715
2716 static const QEMUOption *lookup_opt(int argc, char **argv,
2717 const char **poptarg, int *poptind)
2718 {
2719 const QEMUOption *popt;
2720 int optind = *poptind;
2721 char *r = argv[optind];
2722 const char *optarg;
2723
2724 loc_set_cmdline(argv, optind, 1);
2725 optind++;
2726 /* Treat --foo the same as -foo. */
2727 if (r[1] == '-')
2728 r++;
2729 popt = qemu_options;
2730 for(;;) {
2731 if (!popt->name) {
2732 error_report("invalid option");
2733 exit(1);
2734 }
2735 if (!strcmp(popt->name, r + 1))
2736 break;
2737 popt++;
2738 }
2739 if (popt->flags & HAS_ARG) {
2740 if (optind >= argc) {
2741 error_report("requires an argument");
2742 exit(1);
2743 }
2744 optarg = argv[optind++];
2745 loc_set_cmdline(argv, optind - 2, 2);
2746 } else {
2747 optarg = NULL;
2748 }
2749
2750 *poptarg = optarg;
2751 *poptind = optind;
2752
2753 return popt;
2754 }
2755
2756 static gpointer malloc_and_trace(gsize n_bytes)
2757 {
2758 void *ptr = malloc(n_bytes);
2759 trace_g_malloc(n_bytes, ptr);
2760 return ptr;
2761 }
2762
2763 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2764 {
2765 void *ptr = realloc(mem, n_bytes);
2766 trace_g_realloc(mem, n_bytes, ptr);
2767 return ptr;
2768 }
2769
2770 static void free_and_trace(gpointer mem)
2771 {
2772 trace_g_free(mem);
2773 free(mem);
2774 }
2775
2776 static int object_set_property(const char *name, const char *value, void *opaque)
2777 {
2778 Object *obj = OBJECT(opaque);
2779 StringInputVisitor *siv;
2780 Error *local_err = NULL;
2781
2782 if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) {
2783 return 0;
2784 }
2785
2786 siv = string_input_visitor_new(value);
2787 object_property_set(obj, string_input_get_visitor(siv), name, &local_err);
2788 string_input_visitor_cleanup(siv);
2789
2790 if (local_err) {
2791 qerror_report_err(local_err);
2792 error_free(local_err);
2793 return -1;
2794 }
2795
2796 return 0;
2797 }
2798
2799 static int object_create(QemuOpts *opts, void *opaque)
2800 {
2801 const char *type = qemu_opt_get(opts, "qom-type");
2802 const char *id = qemu_opts_id(opts);
2803 Object *obj;
2804
2805 g_assert(type != NULL);
2806
2807 if (id == NULL) {
2808 qerror_report(QERR_MISSING_PARAMETER, "id");
2809 return -1;
2810 }
2811
2812 obj = object_new(type);
2813 if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) {
2814 object_unref(obj);
2815 return -1;
2816 }
2817
2818 object_property_add_child(container_get(object_get_root(), "/objects"),
2819 id, obj, NULL);
2820 object_unref(obj);
2821 return 0;
2822 }
2823
2824 int main(int argc, char **argv, char **envp)
2825 {
2826 int i;
2827 int snapshot, linux_boot;
2828 const char *icount_option = NULL;
2829 const char *initrd_filename;
2830 const char *kernel_filename, *kernel_cmdline;
2831 const char *boot_order;
2832 DisplayState *ds;
2833 int cyls, heads, secs, translation;
2834 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2835 QemuOptsList *olist;
2836 int optind;
2837 const char *optarg;
2838 const char *loadvm = NULL;
2839 QEMUMachine *machine;
2840 const char *cpu_model;
2841 const char *vga_model = "none";
2842 const char *qtest_chrdev = NULL;
2843 const char *qtest_log = NULL;
2844 const char *pid_file = NULL;
2845 const char *incoming = NULL;
2846 #ifdef CONFIG_VNC
2847 int show_vnc_port = 0;
2848 #endif
2849 bool defconfig = true;
2850 bool userconfig = true;
2851 const char *log_mask = NULL;
2852 const char *log_file = NULL;
2853 GMemVTable mem_trace = {
2854 .malloc = malloc_and_trace,
2855 .realloc = realloc_and_trace,
2856 .free = free_and_trace,
2857 };
2858 const char *trace_events = NULL;
2859 const char *trace_file = NULL;
2860
2861 atexit(qemu_run_exit_notifiers);
2862 error_set_progname(argv[0]);
2863
2864 g_mem_set_vtable(&mem_trace);
2865 if (!g_thread_supported()) {
2866 #if !GLIB_CHECK_VERSION(2, 31, 0)
2867 g_thread_init(NULL);
2868 #else
2869 fprintf(stderr, "glib threading failed to initialize.\n");
2870 exit(1);
2871 #endif
2872 }
2873
2874 module_call_init(MODULE_INIT_QOM);
2875
2876 qemu_add_opts(&qemu_drive_opts);
2877 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2878 qemu_add_drive_opts(&qemu_common_drive_opts);
2879 qemu_add_drive_opts(&qemu_drive_opts);
2880 qemu_add_opts(&qemu_chardev_opts);
2881 qemu_add_opts(&qemu_device_opts);
2882 qemu_add_opts(&qemu_netdev_opts);
2883 qemu_add_opts(&qemu_net_opts);
2884 qemu_add_opts(&qemu_rtc_opts);
2885 qemu_add_opts(&qemu_global_opts);
2886 qemu_add_opts(&qemu_mon_opts);
2887 qemu_add_opts(&qemu_trace_opts);
2888 qemu_add_opts(&qemu_option_rom_opts);
2889 qemu_add_opts(&qemu_machine_opts);
2890 qemu_add_opts(&qemu_smp_opts);
2891 qemu_add_opts(&qemu_boot_opts);
2892 qemu_add_opts(&qemu_sandbox_opts);
2893 qemu_add_opts(&qemu_add_fd_opts);
2894 qemu_add_opts(&qemu_object_opts);
2895 qemu_add_opts(&qemu_tpmdev_opts);
2896 qemu_add_opts(&qemu_realtime_opts);
2897 qemu_add_opts(&qemu_msg_opts);
2898
2899 runstate_init();
2900
2901 init_clocks();
2902 rtc_clock = QEMU_CLOCK_HOST;
2903
2904 qemu_init_auxval(envp);
2905 qemu_cache_utils_init();
2906
2907 QLIST_INIT (&vm_change_state_head);
2908 os_setup_early_signal_handling();
2909
2910 module_call_init(MODULE_INIT_MACHINE);
2911 machine = find_default_machine();
2912 cpu_model = NULL;
2913 ram_size = 0;
2914 snapshot = 0;
2915 cyls = heads = secs = 0;
2916 translation = BIOS_ATA_TRANSLATION_AUTO;
2917
2918 for (i = 0; i < MAX_NODES; i++) {
2919 node_mem[i] = 0;
2920 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2921 }
2922
2923 nb_numa_nodes = 0;
2924 nb_nics = 0;
2925
2926 bdrv_init_with_whitelist();
2927
2928 autostart= 1;
2929
2930 /* first pass of option parsing */
2931 optind = 1;
2932 while (optind < argc) {
2933 if (argv[optind][0] != '-') {
2934 /* disk image */
2935 optind++;
2936 continue;
2937 } else {
2938 const QEMUOption *popt;
2939
2940 popt = lookup_opt(argc, argv, &optarg, &optind);
2941 switch (popt->index) {
2942 case QEMU_OPTION_nodefconfig:
2943 defconfig = false;
2944 break;
2945 case QEMU_OPTION_nouserconfig:
2946 userconfig = false;
2947 break;
2948 }
2949 }
2950 }
2951
2952 if (defconfig) {
2953 int ret;
2954 ret = qemu_read_default_config_files(userconfig);
2955 if (ret < 0) {
2956 exit(1);
2957 }
2958 }
2959
2960 /* second pass of option parsing */
2961 optind = 1;
2962 for(;;) {
2963 if (optind >= argc)
2964 break;
2965 if (argv[optind][0] != '-') {
2966 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2967 } else {
2968 const QEMUOption *popt;
2969
2970 popt = lookup_opt(argc, argv, &optarg, &optind);
2971 if (!(popt->arch_mask & arch_type)) {
2972 printf("Option %s not supported for this target\n", popt->name);
2973 exit(1);
2974 }
2975 switch(popt->index) {
2976 case QEMU_OPTION_M:
2977 machine = machine_parse(optarg);
2978 break;
2979 case QEMU_OPTION_no_kvm_irqchip: {
2980 olist = qemu_find_opts("machine");
2981 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2982 break;
2983 }
2984 case QEMU_OPTION_cpu:
2985 /* hw initialization will check this */
2986 cpu_model = optarg;
2987 break;
2988 case QEMU_OPTION_hda:
2989 {
2990 char buf[256];
2991 if (cyls == 0)
2992 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2993 else
2994 snprintf(buf, sizeof(buf),
2995 "%s,cyls=%d,heads=%d,secs=%d%s",
2996 HD_OPTS , cyls, heads, secs,
2997 translation == BIOS_ATA_TRANSLATION_LBA ?
2998 ",trans=lba" :
2999 translation == BIOS_ATA_TRANSLATION_NONE ?
3000 ",trans=none" : "");
3001 drive_add(IF_DEFAULT, 0, optarg, buf);
3002 break;
3003 }
3004 case QEMU_OPTION_hdb:
3005 case QEMU_OPTION_hdc:
3006 case QEMU_OPTION_hdd:
3007 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3008 HD_OPTS);
3009 break;
3010 case QEMU_OPTION_drive:
3011 if (drive_def(optarg) == NULL) {
3012 exit(1);
3013 }
3014 break;
3015 case QEMU_OPTION_set:
3016 if (qemu_set_option(optarg) != 0)
3017 exit(1);
3018 break;
3019 case QEMU_OPTION_global:
3020 if (qemu_global_option(optarg) != 0)
3021 exit(1);
3022 break;
3023 case QEMU_OPTION_mtdblock:
3024 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3025 break;
3026 case QEMU_OPTION_sd:
3027 drive_add(IF_SD, -1, optarg, SD_OPTS);
3028 break;
3029 case QEMU_OPTION_pflash:
3030 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3031 break;
3032 case QEMU_OPTION_snapshot:
3033 snapshot = 1;
3034 break;
3035 case QEMU_OPTION_hdachs:
3036 {
3037 const char *p;
3038 p = optarg;
3039 cyls = strtol(p, (char **)&p, 0);
3040 if (cyls < 1 || cyls > 16383)
3041 goto chs_fail;
3042 if (*p != ',')
3043 goto chs_fail;
3044 p++;
3045 heads = strtol(p, (char **)&p, 0);
3046 if (heads < 1 || heads > 16)
3047 goto chs_fail;
3048 if (*p != ',')
3049 goto chs_fail;
3050 p++;
3051 secs = strtol(p, (char **)&p, 0);
3052 if (secs < 1 || secs > 63)
3053 goto chs_fail;
3054 if (*p == ',') {
3055 p++;
3056 if (!strcmp(p, "none"))
3057 translation = BIOS_ATA_TRANSLATION_NONE;
3058 else if (!strcmp(p, "lba"))
3059 translation = BIOS_ATA_TRANSLATION_LBA;
3060 else if (!strcmp(p, "auto"))
3061 translation = BIOS_ATA_TRANSLATION_AUTO;
3062 else
3063 goto chs_fail;
3064 } else if (*p != '\0') {
3065 chs_fail:
3066 fprintf(stderr, "qemu: invalid physical CHS format\n");
3067 exit(1);
3068 }
3069 if (hda_opts != NULL) {
3070 char num[16];
3071 snprintf(num, sizeof(num), "%d", cyls);
3072 qemu_opt_set(hda_opts, "cyls", num);
3073 snprintf(num, sizeof(num), "%d", heads);
3074 qemu_opt_set(hda_opts, "heads", num);
3075 snprintf(num, sizeof(num), "%d", secs);
3076 qemu_opt_set(hda_opts, "secs", num);
3077 if (translation == BIOS_ATA_TRANSLATION_LBA)
3078 qemu_opt_set(hda_opts, "trans", "lba");
3079 if (translation == BIOS_ATA_TRANSLATION_NONE)
3080 qemu_opt_set(hda_opts, "trans", "none");
3081 }
3082 }
3083 break;
3084 case QEMU_OPTION_numa:
3085 numa_add(optarg);
3086 break;
3087 case QEMU_OPTION_display:
3088 display_type = select_display(optarg);
3089 break;
3090 case QEMU_OPTION_nographic:
3091 display_type = DT_NOGRAPHIC;
3092 break;
3093 case QEMU_OPTION_curses:
3094 #ifdef CONFIG_CURSES
3095 display_type = DT_CURSES;
3096 #else
3097 fprintf(stderr, "Curses support is disabled\n");
3098 exit(1);
3099 #endif
3100 break;
3101 case QEMU_OPTION_portrait:
3102 graphic_rotate = 90;
3103 break;
3104 case QEMU_OPTION_rotate:
3105 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3106 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3107 graphic_rotate != 180 && graphic_rotate != 270) {
3108 fprintf(stderr,
3109 "qemu: only 90, 180, 270 deg rotation is available\n");
3110 exit(1);
3111 }
3112 break;
3113 case QEMU_OPTION_kernel:
3114 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3115 break;
3116 case QEMU_OPTION_initrd:
3117 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3118 break;
3119 case QEMU_OPTION_append:
3120 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3121 break;
3122 case QEMU_OPTION_dtb:
3123 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3124 break;
3125 case QEMU_OPTION_cdrom:
3126 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3127 break;
3128 case QEMU_OPTION_boot:
3129 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3130 if (!opts) {
3131 exit(1);
3132 }
3133 break;
3134 case QEMU_OPTION_fda:
3135 case QEMU_OPTION_fdb:
3136 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3137 optarg, FD_OPTS);
3138 break;
3139 case QEMU_OPTION_no_fd_bootchk:
3140 fd_bootchk = 0;
3141 break;
3142 case QEMU_OPTION_netdev:
3143 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3144 exit(1);
3145 }
3146 break;
3147 case QEMU_OPTION_net:
3148 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3149 exit(1);
3150 }
3151 break;
3152 #ifdef CONFIG_LIBISCSI
3153 case QEMU_OPTION_iscsi:
3154 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3155 if (!opts) {
3156 exit(1);
3157 }
3158 break;
3159 #endif
3160 #ifdef CONFIG_SLIRP
3161 case QEMU_OPTION_tftp:
3162 legacy_tftp_prefix = optarg;
3163 break;
3164 case QEMU_OPTION_bootp:
3165 legacy_bootp_filename = optarg;
3166 break;
3167 case QEMU_OPTION_redir:
3168 if (net_slirp_redir(optarg) < 0)
3169 exit(1);
3170 break;
3171 #endif
3172 case QEMU_OPTION_bt:
3173 add_device_config(DEV_BT, optarg);
3174 break;
3175 case QEMU_OPTION_audio_help:
3176 AUD_help ();
3177 exit (0);
3178 break;
3179 case QEMU_OPTION_soundhw:
3180 select_soundhw (optarg);
3181 break;
3182 case QEMU_OPTION_h:
3183 help(0);
3184 break;
3185 case QEMU_OPTION_version:
3186 version();
3187 exit(0);
3188 break;
3189 case QEMU_OPTION_m: {
3190 int64_t value;
3191 uint64_t sz;
3192 char *end;
3193
3194 value = strtosz(optarg, &end);
3195 if (value < 0 || *end) {
3196 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3197 exit(1);
3198 }
3199 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
3200 ram_size = sz;
3201 if (ram_size != sz) {
3202 fprintf(stderr, "qemu: ram size too large\n");
3203 exit(1);
3204 }
3205 break;
3206 }
3207 #ifdef CONFIG_TPM
3208 case QEMU_OPTION_tpmdev:
3209 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3210 exit(1);
3211 }
3212 break;
3213 #endif
3214 case QEMU_OPTION_mempath:
3215 mem_path = optarg;
3216 break;
3217 case QEMU_OPTION_mem_prealloc:
3218 mem_prealloc = 1;
3219 break;
3220 case QEMU_OPTION_d:
3221 log_mask = optarg;
3222 break;
3223 case QEMU_OPTION_D:
3224 log_file = optarg;
3225 break;
3226 case QEMU_OPTION_s:
3227 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3228 break;
3229 case QEMU_OPTION_gdb:
3230 add_device_config(DEV_GDB, optarg);
3231 break;
3232 case QEMU_OPTION_L:
3233 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3234 data_dir[data_dir_idx++] = optarg;
3235 }
3236 break;
3237 case QEMU_OPTION_bios:
3238 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3239 break;
3240 case QEMU_OPTION_singlestep:
3241 singlestep = 1;
3242 break;
3243 case QEMU_OPTION_S:
3244 autostart = 0;
3245 break;
3246 case QEMU_OPTION_k:
3247 keyboard_layout = optarg;
3248 break;
3249 case QEMU_OPTION_localtime:
3250 rtc_utc = 0;
3251 break;
3252 case QEMU_OPTION_vga:
3253 vga_model = optarg;
3254 default_vga = 0;
3255 break;
3256 case QEMU_OPTION_g:
3257 {
3258 const char *p;
3259 int w, h, depth;
3260 p = optarg;
3261 w = strtol(p, (char **)&p, 10);
3262 if (w <= 0) {
3263 graphic_error:
3264 fprintf(stderr, "qemu: invalid resolution or depth\n");
3265 exit(1);
3266 }
3267 if (*p != 'x')
3268 goto graphic_error;
3269 p++;
3270 h = strtol(p, (char **)&p, 10);
3271 if (h <= 0)
3272 goto graphic_error;
3273 if (*p == 'x') {
3274 p++;
3275 depth = strtol(p, (char **)&p, 10);
3276 if (depth != 8 && depth != 15 && depth != 16 &&
3277 depth != 24 && depth != 32)
3278 goto graphic_error;
3279 } else if (*p == '\0') {
3280 depth = graphic_depth;
3281 } else {
3282 goto graphic_error;
3283 }
3284
3285 graphic_width = w;
3286 graphic_height = h;
3287 graphic_depth = depth;
3288 }
3289 break;
3290 case QEMU_OPTION_echr:
3291 {
3292 char *r;
3293 term_escape_char = strtol(optarg, &r, 0);
3294 if (r == optarg)
3295 printf("Bad argument to echr\n");
3296 break;
3297 }
3298 case QEMU_OPTION_monitor:
3299 default_monitor = 0;
3300 if (strncmp(optarg, "none", 4)) {
3301 monitor_parse(optarg, "readline");
3302 }
3303 break;
3304 case QEMU_OPTION_qmp:
3305 monitor_parse(optarg, "control");
3306 default_monitor = 0;
3307 break;
3308 case QEMU_OPTION_mon:
3309 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3310 if (!opts) {
3311 exit(1);
3312 }
3313 default_monitor = 0;
3314 break;
3315 case QEMU_OPTION_chardev:
3316 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3317 if (!opts) {
3318 exit(1);
3319 }
3320 break;
3321 case QEMU_OPTION_fsdev:
3322 olist = qemu_find_opts("fsdev");
3323 if (!olist) {
3324 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3325 exit(1);
3326 }
3327 opts = qemu_opts_parse(olist, optarg, 1);
3328 if (!opts) {
3329 exit(1);
3330 }
3331 break;
3332 case QEMU_OPTION_virtfs: {
3333 QemuOpts *fsdev;
3334 QemuOpts *device;
3335 const char *writeout, *sock_fd, *socket;
3336
3337 olist = qemu_find_opts("virtfs");
3338 if (!olist) {
3339 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3340 exit(1);
3341 }
3342 opts = qemu_opts_parse(olist, optarg, 1);
3343 if (!opts) {
3344 exit(1);
3345 }
3346
3347 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3348 qemu_opt_get(opts, "mount_tag") == NULL) {
3349 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3350 exit(1);
3351 }
3352 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3353 qemu_opt_get(opts, "mount_tag"),
3354 1, NULL);
3355 if (!fsdev) {
3356 fprintf(stderr, "duplicate fsdev id: %s\n",
3357 qemu_opt_get(opts, "mount_tag"));
3358 exit(1);
3359 }
3360
3361 writeout = qemu_opt_get(opts, "writeout");
3362 if (writeout) {
3363 #ifdef CONFIG_SYNC_FILE_RANGE
3364 qemu_opt_set(fsdev, "writeout", writeout);
3365 #else
3366 fprintf(stderr, "writeout=immediate not supported on "
3367 "this platform\n");
3368 exit(1);
3369 #endif
3370 }
3371 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3372 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3373 qemu_opt_set(fsdev, "security_model",
3374 qemu_opt_get(opts, "security_model"));
3375 socket = qemu_opt_get(opts, "socket");
3376 if (socket) {
3377 qemu_opt_set(fsdev, "socket", socket);
3378 }
3379 sock_fd = qemu_opt_get(opts, "sock_fd");
3380 if (sock_fd) {
3381 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3382 }
3383
3384 qemu_opt_set_bool(fsdev, "readonly",
3385 qemu_opt_get_bool(opts, "readonly", 0));
3386 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3387 &error_abort);
3388 qemu_opt_set(device, "driver", "virtio-9p-pci");
3389 qemu_opt_set(device, "fsdev",
3390 qemu_opt_get(opts, "mount_tag"));
3391 qemu_opt_set(device, "mount_tag",
3392 qemu_opt_get(opts, "mount_tag"));
3393 break;
3394 }
3395 case QEMU_OPTION_virtfs_synth: {
3396 QemuOpts *fsdev;
3397 QemuOpts *device;
3398
3399 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3400 1, NULL);
3401 if (!fsdev) {
3402 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3403 exit(1);
3404 }
3405 qemu_opt_set(fsdev, "fsdriver", "synth");
3406
3407 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3408 &error_abort);
3409 qemu_opt_set(device, "driver", "virtio-9p-pci");
3410 qemu_opt_set(device, "fsdev", "v_synth");
3411 qemu_opt_set(device, "mount_tag", "v_synth");
3412 break;
3413 }
3414 case QEMU_OPTION_serial:
3415 add_device_config(DEV_SERIAL, optarg);
3416 default_serial = 0;
3417 if (strncmp(optarg, "mon:", 4) == 0) {
3418 default_monitor = 0;
3419 }
3420 break;
3421 case QEMU_OPTION_watchdog:
3422 if (watchdog) {
3423 fprintf(stderr,
3424 "qemu: only one watchdog option may be given\n");
3425 return 1;
3426 }
3427 watchdog = optarg;
3428 break;
3429 case QEMU_OPTION_watchdog_action:
3430 if (select_watchdog_action(optarg) == -1) {
3431 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3432 exit(1);
3433 }
3434 break;
3435 case QEMU_OPTION_virtiocon:
3436 add_device_config(DEV_VIRTCON, optarg);
3437 default_virtcon = 0;
3438 if (strncmp(optarg, "mon:", 4) == 0) {
3439 default_monitor = 0;
3440 }
3441 break;
3442 case QEMU_OPTION_parallel:
3443 add_device_config(DEV_PARALLEL, optarg);
3444 default_parallel = 0;
3445 if (strncmp(optarg, "mon:", 4) == 0) {
3446 default_monitor = 0;
3447 }
3448 break;
3449 case QEMU_OPTION_debugcon:
3450 add_device_config(DEV_DEBUGCON, optarg);
3451 break;
3452 case QEMU_OPTION_loadvm:
3453 loadvm = optarg;
3454 break;
3455 case QEMU_OPTION_full_screen:
3456 full_screen = 1;
3457 break;
3458 case QEMU_OPTION_no_frame:
3459 no_frame = 1;
3460 break;
3461 case QEMU_OPTION_alt_grab:
3462 alt_grab = 1;
3463 break;
3464 case QEMU_OPTION_ctrl_grab:
3465 ctrl_grab = 1;
3466 break;
3467 case QEMU_OPTION_no_quit:
3468 no_quit = 1;
3469 break;
3470 case QEMU_OPTION_sdl:
3471 #ifdef CONFIG_SDL
3472 display_type = DT_SDL;
3473 break;
3474 #else
3475 fprintf(stderr, "SDL support is disabled\n");
3476 exit(1);
3477 #endif
3478 case QEMU_OPTION_pidfile:
3479 pid_file = optarg;
3480 break;
3481 case QEMU_OPTION_win2k_hack:
3482 win2k_install_hack = 1;
3483 break;
3484 case QEMU_OPTION_rtc_td_hack: {
3485 static GlobalProperty slew_lost_ticks[] = {
3486 {
3487 .driver = "mc146818rtc",
3488 .property = "lost_tick_policy",
3489 .value = "slew",
3490 },
3491 { /* end of list */ }
3492 };
3493
3494 qdev_prop_register_global_list(slew_lost_ticks);
3495 break;
3496 }
3497 case QEMU_OPTION_acpitable:
3498 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3499 if (!opts) {
3500 exit(1);
3501 }
3502 do_acpitable_option(opts);
3503 break;
3504 case QEMU_OPTION_smbios:
3505 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3506 if (!opts) {
3507 exit(1);
3508 }
3509 do_smbios_option(opts);
3510 break;
3511 case QEMU_OPTION_enable_kvm:
3512 olist = qemu_find_opts("machine");
3513 qemu_opts_parse(olist, "accel=kvm", 0);
3514 break;
3515 case QEMU_OPTION_machine:
3516 olist = qemu_find_opts("machine");
3517 opts = qemu_opts_parse(olist, optarg, 1);
3518 if (!opts) {
3519 exit(1);
3520 }
3521 optarg = qemu_opt_get(opts, "type");
3522 if (optarg) {
3523 machine = machine_parse(optarg);
3524 }
3525 break;
3526 case QEMU_OPTION_no_kvm:
3527 olist = qemu_find_opts("machine");
3528 qemu_opts_parse(olist, "accel=tcg", 0);
3529 break;
3530 case QEMU_OPTION_no_kvm_pit: {
3531 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3532 "separately.\n");
3533 break;
3534 }
3535 case QEMU_OPTION_no_kvm_pit_reinjection: {
3536 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3537 {
3538 .driver = "kvm-pit",
3539 .property = "lost_tick_policy",
3540 .value = "discard",
3541 },
3542 { /* end of list */ }
3543 };
3544
3545 fprintf(stderr, "Warning: option deprecated, use "
3546 "lost_tick_policy property of kvm-pit instead.\n");
3547 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3548 break;
3549 }
3550 case QEMU_OPTION_usb:
3551 olist = qemu_find_opts("machine");
3552 qemu_opts_parse(olist, "usb=on", 0);
3553 break;
3554 case QEMU_OPTION_usbdevice:
3555 olist = qemu_find_opts("machine");
3556 qemu_opts_parse(olist, "usb=on", 0);
3557 add_device_config(DEV_USB, optarg);
3558 break;
3559 case QEMU_OPTION_device:
3560 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3561 exit(1);
3562 }
3563 break;
3564 case QEMU_OPTION_smp:
3565 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3566 exit(1);
3567 }
3568 break;
3569 case QEMU_OPTION_vnc:
3570 #ifdef CONFIG_VNC
3571 display_remote++;
3572 vnc_display = optarg;
3573 #else
3574 fprintf(stderr, "VNC support is disabled\n");
3575 exit(1);
3576 #endif
3577 break;
3578 case QEMU_OPTION_no_acpi:
3579 acpi_enabled = 0;
3580 break;
3581 case QEMU_OPTION_no_hpet:
3582 no_hpet = 1;
3583 break;
3584 case QEMU_OPTION_balloon:
3585 if (balloon_parse(optarg) < 0) {
3586 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3587 exit(1);
3588 }
3589 break;
3590 case QEMU_OPTION_no_reboot:
3591 no_reboot = 1;
3592 break;
3593 case QEMU_OPTION_no_shutdown:
3594 no_shutdown = 1;
3595 break;
3596 case QEMU_OPTION_show_cursor:
3597 cursor_hide = 0;
3598 break;
3599 case QEMU_OPTION_uuid:
3600 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3601 fprintf(stderr, "Fail to parse UUID string."
3602 " Wrong format.\n");
3603 exit(1);
3604 }
3605 qemu_uuid_set = true;
3606 break;
3607 case QEMU_OPTION_option_rom:
3608 if (nb_option_roms >= MAX_OPTION_ROMS) {
3609 fprintf(stderr, "Too many option ROMs\n");
3610 exit(1);
3611 }
3612 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3613 if (!opts) {
3614 exit(1);
3615 }
3616 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3617 option_rom[nb_option_roms].bootindex =
3618 qemu_opt_get_number(opts, "bootindex", -1);
3619 if (!option_rom[nb_option_roms].name) {
3620 fprintf(stderr, "Option ROM file is not specified\n");
3621 exit(1);
3622 }
3623 nb_option_roms++;
3624 break;
3625 case QEMU_OPTION_semihosting:
3626 semihosting_enabled = 1;
3627 break;
3628 case QEMU_OPTION_tdf:
3629 fprintf(stderr, "Warning: user space PIT time drift fix "
3630 "is no longer supported.\n");
3631 break;
3632 case QEMU_OPTION_name:
3633 qemu_name = g_strdup(optarg);
3634 {
3635 char *p = strchr(qemu_name, ',');
3636 if (p != NULL) {
3637 *p++ = 0;
3638 if (strncmp(p, "process=", 8)) {
3639 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3640 exit(1);
3641 }
3642 p += 8;
3643 os_set_proc_name(p);
3644 }
3645 }
3646 break;
3647 case QEMU_OPTION_prom_env:
3648 if (nb_prom_envs >= MAX_PROM_ENVS) {
3649 fprintf(stderr, "Too many prom variables\n");
3650 exit(1);
3651 }
3652 prom_envs[nb_prom_envs] = optarg;
3653 nb_prom_envs++;
3654 break;
3655 case QEMU_OPTION_old_param:
3656 old_param = 1;
3657 break;
3658 case QEMU_OPTION_clock:
3659 /* Clock options no longer exist. Keep this option for
3660 * backward compatibility.
3661 */
3662 break;
3663 case QEMU_OPTION_startdate:
3664 configure_rtc_date_offset(optarg, 1);
3665 break;
3666 case QEMU_OPTION_rtc:
3667 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3668 if (!opts) {
3669 exit(1);
3670 }
3671 configure_rtc(opts);
3672 break;
3673 case QEMU_OPTION_tb_size:
3674 tcg_tb_size = strtol(optarg, NULL, 0);
3675 if (tcg_tb_size < 0) {
3676 tcg_tb_size = 0;
3677 }
3678 break;
3679 case QEMU_OPTION_icount:
3680 icount_option = optarg;
3681 break;
3682 case QEMU_OPTION_incoming:
3683 incoming = optarg;
3684 runstate_set(RUN_STATE_INMIGRATE);
3685 break;
3686 case QEMU_OPTION_nodefaults:
3687 default_serial = 0;
3688 default_parallel = 0;
3689 default_virtcon = 0;
3690 default_sclp = 0;
3691 default_monitor = 0;
3692 default_net = 0;
3693 default_floppy = 0;
3694 default_cdrom = 0;
3695 default_sdcard = 0;
3696 default_vga = 0;
3697 break;
3698 case QEMU_OPTION_xen_domid:
3699 if (!(xen_available())) {
3700 printf("Option %s not supported for this target\n", popt->name);
3701 exit(1);
3702 }
3703 xen_domid = atoi(optarg);
3704 break;
3705 case QEMU_OPTION_xen_create:
3706 if (!(xen_available())) {
3707 printf("Option %s not supported for this target\n", popt->name);
3708 exit(1);
3709 }
3710 xen_mode = XEN_CREATE;
3711 break;
3712 case QEMU_OPTION_xen_attach:
3713 if (!(xen_available())) {
3714 printf("Option %s not supported for this target\n", popt->name);
3715 exit(1);
3716 }
3717 xen_mode = XEN_ATTACH;
3718 break;
3719 case QEMU_OPTION_trace:
3720 {
3721 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3722 if (!opts) {
3723 exit(1);
3724 }
3725 trace_events = qemu_opt_get(opts, "events");
3726 trace_file = qemu_opt_get(opts, "file");
3727 break;
3728 }
3729 case QEMU_OPTION_readconfig:
3730 {
3731 int ret = qemu_read_config_file(optarg);
3732 if (ret < 0) {
3733 fprintf(stderr, "read config %s: %s\n", optarg,
3734 strerror(-ret));
3735 exit(1);
3736 }
3737 break;
3738 }
3739 case QEMU_OPTION_spice:
3740 olist = qemu_find_opts("spice");
3741 if (!olist) {
3742 fprintf(stderr, "spice is not supported by this qemu build.\n");
3743 exit(1);
3744 }
3745 opts = qemu_opts_parse(olist, optarg, 0);
3746 if (!opts) {
3747 exit(1);
3748 }
3749 display_remote++;
3750 break;
3751 case QEMU_OPTION_writeconfig:
3752 {
3753 FILE *fp;
3754 if (strcmp(optarg, "-") == 0) {
3755 fp = stdout;
3756 } else {
3757 fp = fopen(optarg, "w");
3758 if (fp == NULL) {
3759 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3760 exit(1);
3761 }
3762 }
3763 qemu_config_write(fp);
3764 fclose(fp);
3765 break;
3766 }
3767 case QEMU_OPTION_qtest:
3768 qtest_chrdev = optarg;
3769 break;
3770 case QEMU_OPTION_qtest_log:
3771 qtest_log = optarg;
3772 break;
3773 case QEMU_OPTION_sandbox:
3774 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3775 if (!opts) {
3776 exit(1);
3777 }
3778 break;
3779 case QEMU_OPTION_add_fd:
3780 #ifndef _WIN32
3781 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3782 if (!opts) {
3783 exit(1);
3784 }
3785 #else
3786 error_report("File descriptor passing is disabled on this "
3787 "platform");
3788 exit(1);
3789 #endif
3790 break;
3791 case QEMU_OPTION_object:
3792 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3793 if (!opts) {
3794 exit(1);
3795 }
3796 break;
3797 case QEMU_OPTION_realtime:
3798 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3799 if (!opts) {
3800 exit(1);
3801 }
3802 configure_realtime(opts);
3803 break;
3804 case QEMU_OPTION_msg:
3805 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3806 if (!opts) {
3807 exit(1);
3808 }
3809 configure_msg(opts);
3810 break;
3811 default:
3812 os_parse_cmd_args(popt->index, optarg);
3813 }
3814 }
3815 }
3816 loc_set_none();
3817
3818 if (qemu_init_main_loop()) {
3819 fprintf(stderr, "qemu_init_main_loop failed\n");
3820 exit(1);
3821 }
3822
3823 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3824 exit(1);
3825 }
3826
3827 #ifndef _WIN32
3828 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3829 exit(1);
3830 }
3831
3832 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3833 exit(1);
3834 }
3835 #endif
3836
3837 if (machine == NULL) {
3838 fprintf(stderr, "No machine found.\n");
3839 exit(1);
3840 }
3841
3842 if (machine->hw_version) {
3843 qemu_set_version(machine->hw_version);
3844 }
3845
3846 if (qemu_opts_foreach(qemu_find_opts("object"),
3847 object_create, NULL, 0) != 0) {
3848 exit(1);
3849 }
3850
3851 /* Init CPU def lists, based on config
3852 * - Must be called after all the qemu_read_config_file() calls
3853 * - Must be called before list_cpus()
3854 * - Must be called before machine->init()
3855 */
3856 cpudef_init();
3857
3858 if (cpu_model && is_help_option(cpu_model)) {
3859 list_cpus(stdout, &fprintf, cpu_model);
3860 exit(0);
3861 }
3862
3863 /* Open the logfile at this point, if necessary. We can't open the logfile
3864 * when encountering either of the logging options (-d or -D) because the
3865 * other one may be encountered later on the command line, changing the
3866 * location or level of logging.
3867 */
3868 if (log_mask) {
3869 int mask;
3870 if (log_file) {
3871 qemu_set_log_filename(log_file);
3872 }
3873
3874 mask = qemu_str_to_log_mask(log_mask);
3875 if (!mask) {
3876 qemu_print_log_usage(stdout);
3877 exit(1);
3878 }
3879 qemu_set_log(mask);
3880 }
3881
3882 if (!trace_backend_init(trace_events, trace_file)) {
3883 exit(1);
3884 }
3885
3886 /* If no data_dir is specified then try to find it relative to the
3887 executable path. */
3888 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3889 data_dir[data_dir_idx] = os_find_datadir(argv[0]);
3890 if (data_dir[data_dir_idx] != NULL) {
3891 data_dir_idx++;
3892 }
3893 }
3894 /* If all else fails use the install path specified when building. */
3895 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3896 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3897 }
3898
3899 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3900
3901 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3902 if (smp_cpus > machine->max_cpus) {
3903 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3904 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3905 machine->max_cpus);
3906 exit(1);
3907 }
3908
3909 /*
3910 * Get the default machine options from the machine if it is not already
3911 * specified either by the configuration file or by the command line.
3912 */
3913 if (machine->default_machine_opts) {
3914 qemu_opts_set_defaults(qemu_find_opts("machine"),
3915 machine->default_machine_opts, 0);
3916 }
3917
3918 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3919 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3920
3921 if (machine->no_serial) {
3922 default_serial = 0;
3923 }
3924 if (machine->no_parallel) {
3925 default_parallel = 0;
3926 }
3927 if (!machine->use_virtcon) {
3928 default_virtcon = 0;
3929 }
3930 if (!machine->use_sclp) {
3931 default_sclp = 0;
3932 }
3933 if (machine->no_floppy) {
3934 default_floppy = 0;
3935 }
3936 if (machine->no_cdrom) {
3937 default_cdrom = 0;
3938 }
3939 if (machine->no_sdcard) {
3940 default_sdcard = 0;
3941 }
3942
3943 if (is_daemonized()) {
3944 /* According to documentation and historically, -nographic redirects
3945 * serial port, parallel port and monitor to stdio, which does not work
3946 * with -daemonize. We can redirect these to null instead, but since
3947 * -nographic is legacy, let's just error out.
3948 * We disallow -nographic only if all other ports are not redirected
3949 * explicitly, to not break existing legacy setups which uses
3950 * -nographic _and_ redirects all ports explicitly - this is valid
3951 * usage, -nographic is just a no-op in this case.
3952 */
3953 if (display_type == DT_NOGRAPHIC
3954 && (default_parallel || default_serial
3955 || default_monitor || default_virtcon)) {
3956 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3957 exit(1);
3958 }
3959 #ifdef CONFIG_CURSES
3960 if (display_type == DT_CURSES) {
3961 fprintf(stderr, "curses display can not be used with -daemonize\n");
3962 exit(1);
3963 }
3964 #endif
3965 }
3966
3967 if (display_type == DT_NOGRAPHIC) {
3968 if (default_parallel)
3969 add_device_config(DEV_PARALLEL, "null");
3970 if (default_serial && default_monitor) {
3971 add_device_config(DEV_SERIAL, "mon:stdio");
3972 } else if (default_virtcon && default_monitor) {
3973 add_device_config(DEV_VIRTCON, "mon:stdio");
3974 } else if (default_sclp && default_monitor) {
3975 add_device_config(DEV_SCLP, "mon:stdio");
3976 } else {
3977 if (default_serial)
3978 add_device_config(DEV_SERIAL, "stdio");
3979 if (default_virtcon)
3980 add_device_config(DEV_VIRTCON, "stdio");
3981 if (default_sclp) {
3982 add_device_config(DEV_SCLP, "stdio");
3983 }
3984 if (default_monitor)
3985 monitor_parse("stdio", "readline");
3986 }
3987 } else {
3988 if (default_serial)
3989 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3990 if (default_parallel)
3991 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3992 if (default_monitor)
3993 monitor_parse("vc:80Cx24C", "readline");
3994 if (default_virtcon)
3995 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3996 if (default_sclp) {
3997 add_device_config(DEV_SCLP, "vc:80Cx24C");
3998 }
3999 }
4000
4001 if (display_type == DT_DEFAULT && !display_remote) {
4002 #if defined(CONFIG_GTK)
4003 display_type = DT_GTK;
4004 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4005 display_type = DT_SDL;
4006 #elif defined(CONFIG_VNC)
4007 vnc_display = "localhost:0,to=99";
4008 show_vnc_port = 1;
4009 #else
4010 display_type = DT_NONE;
4011 #endif
4012 }
4013
4014 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4015 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
4016 "for SDL, ignoring option\n");
4017 }
4018 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4019 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
4020 "ignoring option\n");
4021 }
4022
4023 #if defined(CONFIG_GTK)
4024 if (display_type == DT_GTK) {
4025 early_gtk_display_init();
4026 }
4027 #endif
4028
4029 socket_init();
4030
4031 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4032 exit(1);
4033 #ifdef CONFIG_VIRTFS
4034 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4035 exit(1);
4036 }
4037 #endif
4038
4039 os_daemonize();
4040
4041 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4042 os_pidfile_error();
4043 exit(1);
4044 }
4045
4046 /* init the memory */
4047 if (ram_size == 0) {
4048 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
4049 }
4050
4051 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4052 != 0) {
4053 exit(0);
4054 }
4055
4056 configure_accelerator();
4057
4058 if (qtest_chrdev) {
4059 qtest_init(qtest_chrdev, qtest_log);
4060 }
4061
4062 machine_opts = qemu_get_machine_opts();
4063 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4064 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4065 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4066 bios_name = qemu_opt_get(machine_opts, "firmware");
4067
4068 boot_order = machine->default_boot_order;
4069 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4070 if (opts) {
4071 char *normal_boot_order;
4072 const char *order, *once;
4073
4074 order = qemu_opt_get(opts, "order");
4075 if (order) {
4076 validate_bootdevices(order);
4077 boot_order = order;
4078 }
4079
4080 once = qemu_opt_get(opts, "once");
4081 if (once) {
4082 validate_bootdevices(once);
4083 normal_boot_order = g_strdup(boot_order);
4084 boot_order = once;
4085 qemu_register_reset(restore_boot_order, normal_boot_order);
4086 }
4087
4088 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4089 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4090 }
4091
4092 if (!kernel_cmdline) {
4093 kernel_cmdline = "";
4094 }
4095
4096 linux_boot = (kernel_filename != NULL);
4097
4098 if (!linux_boot && *kernel_cmdline != '\0') {
4099 fprintf(stderr, "-append only allowed with -kernel option\n");
4100 exit(1);
4101 }
4102
4103 if (!linux_boot && initrd_filename != NULL) {
4104 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4105 exit(1);
4106 }
4107
4108 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4109 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4110 exit(1);
4111 }
4112
4113 os_set_line_buffering();
4114
4115 qemu_init_cpu_loop();
4116 qemu_mutex_lock_iothread();
4117
4118 #ifdef CONFIG_SPICE
4119 /* spice needs the timers to be initialized by this point */
4120 qemu_spice_init();
4121 #endif
4122
4123 if (icount_option && (kvm_enabled() || xen_enabled())) {
4124 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4125 exit(1);
4126 }
4127 configure_icount(icount_option);
4128
4129 /* clean up network at qemu process termination */
4130 atexit(&net_cleanup);
4131
4132 if (net_init_clients() < 0) {
4133 exit(1);
4134 }
4135
4136 #ifdef CONFIG_TPM
4137 if (tpm_init() < 0) {
4138 exit(1);
4139 }
4140 #endif
4141
4142 /* init the bluetooth world */
4143 if (foreach_device_config(DEV_BT, bt_parse))
4144 exit(1);
4145
4146 if (!xen_enabled()) {
4147 /* On 32-bit hosts, QEMU is limited by virtual address space */
4148 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4149 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4150 exit(1);
4151 }
4152 }
4153
4154 cpu_exec_init_all();
4155
4156 blk_mig_init();
4157
4158 /* open the virtual block devices */
4159 if (snapshot)
4160 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4161 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4162 &machine->block_default_type, 1) != 0) {
4163 exit(1);
4164 }
4165
4166 default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
4167 CDROM_OPTS);
4168 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4169 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4170
4171 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
4172
4173 if (nb_numa_nodes > 0) {
4174 int i;
4175
4176 if (nb_numa_nodes > MAX_NODES) {
4177 nb_numa_nodes = MAX_NODES;
4178 }
4179
4180 /* If no memory size if given for any node, assume the default case
4181 * and distribute the available memory equally across all nodes
4182 */
4183 for (i = 0; i < nb_numa_nodes; i++) {
4184 if (node_mem[i] != 0)
4185 break;
4186 }
4187 if (i == nb_numa_nodes) {
4188 uint64_t usedmem = 0;
4189
4190 /* On Linux, the each node's border has to be 8MB aligned,
4191 * the final node gets the rest.
4192 */
4193 for (i = 0; i < nb_numa_nodes - 1; i++) {
4194 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4195 usedmem += node_mem[i];
4196 }
4197 node_mem[i] = ram_size - usedmem;
4198 }
4199
4200 for (i = 0; i < nb_numa_nodes; i++) {
4201 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
4202 break;
4203 }
4204 }
4205 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4206 * must cope with this anyway, because there are BIOSes out there in
4207 * real machines which also use this scheme.
4208 */
4209 if (i == nb_numa_nodes) {
4210 for (i = 0; i < max_cpus; i++) {
4211 set_bit(i, node_cpumask[i % nb_numa_nodes]);
4212 }
4213 }
4214 }
4215
4216 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4217 exit(1);
4218 }
4219
4220 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4221 exit(1);
4222 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4223 exit(1);
4224 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4225 exit(1);
4226 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4227 exit(1);
4228 }
4229 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4230 exit(1);
4231
4232 /* If no default VGA is requested, the default is "none". */
4233 if (default_vga) {
4234 if (cirrus_vga_available()) {
4235 vga_model = "cirrus";
4236 } else if (vga_available()) {
4237 vga_model = "std";
4238 }
4239 }
4240 select_vgahw(vga_model);
4241
4242 if (watchdog) {
4243 i = select_watchdog(watchdog);
4244 if (i > 0)
4245 exit (i == 1 ? 1 : 0);
4246 }
4247
4248 if (machine->compat_props) {
4249 qdev_prop_register_global_list(machine->compat_props);
4250 }
4251 qemu_add_globals();
4252
4253 qdev_machine_init();
4254
4255 QEMUMachineInitArgs args = { .machine = machine,
4256 .ram_size = ram_size,
4257 .boot_order = boot_order,
4258 .kernel_filename = kernel_filename,
4259 .kernel_cmdline = kernel_cmdline,
4260 .initrd_filename = initrd_filename,
4261 .cpu_model = cpu_model };
4262 machine->init(&args);
4263
4264 audio_init();
4265
4266 cpu_synchronize_all_post_init();
4267
4268 set_numa_modes();
4269
4270 current_machine = machine;
4271
4272 /* init USB devices */
4273 if (usb_enabled(false)) {
4274 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4275 exit(1);
4276 }
4277
4278 /* init generic devices */
4279 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4280 exit(1);
4281
4282 net_check_clients();
4283
4284 ds = init_displaystate();
4285
4286 /* init local displays */
4287 switch (display_type) {
4288 case DT_NOGRAPHIC:
4289 (void)ds; /* avoid warning if no display is configured */
4290 break;
4291 #if defined(CONFIG_CURSES)
4292 case DT_CURSES:
4293 curses_display_init(ds, full_screen);
4294 break;
4295 #endif
4296 #if defined(CONFIG_SDL)
4297 case DT_SDL:
4298 sdl_display_init(ds, full_screen, no_frame);
4299 break;
4300 #elif defined(CONFIG_COCOA)
4301 case DT_SDL:
4302 cocoa_display_init(ds, full_screen);
4303 break;
4304 #endif
4305 #if defined(CONFIG_GTK)
4306 case DT_GTK:
4307 gtk_display_init(ds, full_screen);
4308 break;
4309 #endif
4310 default:
4311 break;
4312 }
4313
4314 /* must be after terminal init, SDL library changes signal handlers */
4315 os_setup_signal_handling();
4316
4317 #ifdef CONFIG_VNC
4318 /* init remote displays */
4319 if (vnc_display) {
4320 Error *local_err = NULL;
4321 vnc_display_init(ds);
4322 vnc_display_open(ds, vnc_display, &local_err);
4323 if (local_err != NULL) {
4324 error_report("Failed to start VNC server on `%s': %s",
4325 vnc_display, error_get_pretty(local_err));
4326 error_free(local_err);
4327 exit(1);
4328 }
4329
4330 if (show_vnc_port) {
4331 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4332 }
4333 }
4334 #endif
4335 #ifdef CONFIG_SPICE
4336 if (using_spice) {
4337 qemu_spice_display_init();
4338 }
4339 #endif
4340
4341 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4342 exit(1);
4343 }
4344
4345 qdev_machine_creation_done();
4346
4347 if (rom_load_all() != 0) {
4348 fprintf(stderr, "rom loading failed\n");
4349 exit(1);
4350 }
4351
4352 /* TODO: once all bus devices are qdevified, this should be done
4353 * when bus is created by qdev.c */
4354 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4355 qemu_run_machine_init_done_notifiers();
4356
4357 /* Done notifiers can load ROMs */
4358 rom_load_done();
4359
4360 qemu_system_reset(VMRESET_SILENT);
4361 if (loadvm) {
4362 if (load_vmstate(loadvm) < 0) {
4363 autostart = 0;
4364 }
4365 }
4366
4367 if (incoming) {
4368 Error *local_err = NULL;
4369 qemu_start_incoming_migration(incoming, &local_err);
4370 if (local_err) {
4371 error_report("-incoming %s: %s", incoming,
4372 error_get_pretty(local_err));
4373 error_free(local_err);
4374 exit(1);
4375 }
4376 } else if (autostart) {
4377 vm_start();
4378 }
4379
4380 os_setup_post();
4381
4382 main_loop();
4383 bdrv_close_all();
4384 pause_all_vcpus();
4385 res_free();
4386 #ifdef CONFIG_TPM
4387 tpm_cleanup();
4388 #endif
4389
4390 return 0;
4391 }
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