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Merge remote-tracking branch 'afaerber-or/qom-cpu-4' into staging
[qemu.git] / vl.c
blob1fd11148e728db493aaec2f7f53e5d963986dae3
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
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
34
35 #ifndef _WIN32
36 #include <libgen.h>
37 #include <sys/times.h>
38 #include <sys/wait.h>
39 #include <termios.h>
40 #include <sys/mman.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45 #include <net/if.h>
46 #include <arpa/inet.h>
47 #include <dirent.h>
48 #include <netdb.h>
49 #include <sys/select.h>
50
51 #ifdef CONFIG_BSD
52 #include <sys/stat.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54 #include <sys/sysctl.h>
55 #else
56 #include <util.h>
57 #endif
58 #else
59 #ifdef __linux__
60 #include <malloc.h>
61
62 #include <linux/ppdev.h>
63 #include <linux/parport.h>
64 #endif
65 #ifdef __sun__
66 #include <sys/stat.h>
67 #include <sys/ethernet.h>
68 #include <sys/sockio.h>
69 #include <netinet/arp.h>
70 #include <netinet/in_systm.h>
71 #include <netinet/ip.h>
72 #include <netinet/ip_icmp.h> // must come after ip.h
73 #include <netinet/udp.h>
74 #include <netinet/tcp.h>
75 #include <net/if.h>
76 #include <syslog.h>
77 #include <stropts.h>
78 #endif
79 #endif
80 #endif
81
82 #if defined(CONFIG_VDE)
83 #include <libvdeplug.h>
84 #endif
85
86 #ifdef _WIN32
87 #include <windows.h>
88 #endif
89
90 #ifdef CONFIG_SDL
91 #if defined(__APPLE__) || defined(main)
92 #include <SDL.h>
93 int qemu_main(int argc, char **argv, char **envp);
94 int main(int argc, char **argv)
95 {
96 return qemu_main(argc, argv, NULL);
97 }
98 #undef main
99 #define main qemu_main
100 #endif
101 #endif /* CONFIG_SDL */
102
103 #ifdef CONFIG_COCOA
104 #undef main
105 #define main qemu_main
106 #endif /* CONFIG_COCOA */
107
108 #include <glib.h>
109
110 #include "hw/hw.h"
111 #include "hw/boards.h"
112 #include "hw/usb.h"
113 #include "hw/pcmcia.h"
114 #include "hw/pc.h"
115 #include "hw/isa.h"
116 #include "hw/baum.h"
117 #include "hw/bt.h"
118 #include "hw/watchdog.h"
119 #include "hw/smbios.h"
120 #include "hw/xen.h"
121 #include "hw/qdev.h"
122 #include "hw/loader.h"
123 #include "bt-host.h"
124 #include "net.h"
125 #include "net/slirp.h"
126 #include "monitor.h"
127 #include "console.h"
128 #include "sysemu.h"
129 #include "gdbstub.h"
130 #include "qemu-timer.h"
131 #include "qemu-char.h"
132 #include "cache-utils.h"
133 #include "blockdev.h"
134 #include "hw/block-common.h"
135 #include "block-migration.h"
136 #include "dma.h"
137 #include "audio/audio.h"
138 #include "migration.h"
139 #include "kvm.h"
140 #include "qjson.h"
141 #include "qemu-option.h"
142 #include "qemu-config.h"
143 #include "qemu-options.h"
144 #include "qmp-commands.h"
145 #include "main-loop.h"
146 #ifdef CONFIG_VIRTFS
147 #include "fsdev/qemu-fsdev.h"
148 #endif
149 #include "qtest.h"
150
151 #include "disas.h"
152
153 #include "qemu_socket.h"
154
155 #include "slirp/libslirp.h"
156
157 #include "trace.h"
158 #include "trace/control.h"
159 #include "qemu-queue.h"
160 #include "cpus.h"
161 #include "arch_init.h"
162
163 #include "ui/qemu-spice.h"
164
165 //#define DEBUG_NET
166 //#define DEBUG_SLIRP
167
168 #define DEFAULT_RAM_SIZE 128
169
170 #define MAX_VIRTIO_CONSOLES 1
171
172 static const char *data_dir;
173 const char *bios_name = NULL;
174 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
175 DisplayType display_type = DT_DEFAULT;
176 int display_remote = 0;
177 const char* keyboard_layout = NULL;
178 ram_addr_t ram_size;
179 const char *mem_path = NULL;
180 #ifdef MAP_POPULATE
181 int mem_prealloc = 0; /* force preallocation of physical target memory */
182 #endif
183 int nb_nics;
184 NICInfo nd_table[MAX_NICS];
185 int autostart;
186 static int rtc_utc = 1;
187 static int rtc_date_offset = -1; /* -1 means no change */
188 QEMUClock *rtc_clock;
189 int vga_interface_type = VGA_NONE;
190 static int full_screen = 0;
191 #ifdef CONFIG_SDL
192 static int no_frame = 0;
193 #endif
194 int no_quit = 0;
195 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
196 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
197 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
198 int win2k_install_hack = 0;
199 int usb_enabled = 0;
200 int singlestep = 0;
201 int smp_cpus = 1;
202 int max_cpus = 0;
203 int smp_cores = 1;
204 int smp_threads = 1;
205 #ifdef CONFIG_VNC
206 const char *vnc_display;
207 #endif
208 int acpi_enabled = 1;
209 int no_hpet = 0;
210 int fd_bootchk = 1;
211 int no_reboot = 0;
212 int no_shutdown = 0;
213 int cursor_hide = 1;
214 int graphic_rotate = 0;
215 const char *watchdog;
216 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
217 int nb_option_roms;
218 int semihosting_enabled = 0;
219 int old_param = 0;
220 const char *qemu_name;
221 int alt_grab = 0;
222 int ctrl_grab = 0;
223 unsigned int nb_prom_envs = 0;
224 const char *prom_envs[MAX_PROM_ENVS];
225 int boot_menu;
226 uint8_t *boot_splash_filedata;
227 int boot_splash_filedata_size;
228 uint8_t qemu_extra_params_fw[2];
229
230 typedef struct FWBootEntry FWBootEntry;
231
232 struct FWBootEntry {
233 QTAILQ_ENTRY(FWBootEntry) link;
234 int32_t bootindex;
235 DeviceState *dev;
236 char *suffix;
237 };
238
239 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
240
241 int nb_numa_nodes;
242 uint64_t node_mem[MAX_NODES];
243 uint64_t node_cpumask[MAX_NODES];
244
245 uint8_t qemu_uuid[16];
246
247 static QEMUBootSetHandler *boot_set_handler;
248 static void *boot_set_opaque;
249
250 static NotifierList exit_notifiers =
251 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
252
253 static NotifierList machine_init_done_notifiers =
254 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
255
256 static int tcg_allowed = 1;
257 int kvm_allowed = 0;
258 int xen_allowed = 0;
259 uint32_t xen_domid;
260 enum xen_mode xen_mode = XEN_EMULATE;
261 static int tcg_tb_size;
262
263 static int default_serial = 1;
264 static int default_parallel = 1;
265 static int default_virtcon = 1;
266 static int default_monitor = 1;
267 static int default_floppy = 1;
268 static int default_cdrom = 1;
269 static int default_sdcard = 1;
270 static int default_vga = 1;
271
272 static struct {
273 const char *driver;
274 int *flag;
275 } default_list[] = {
276 { .driver = "isa-serial", .flag = &default_serial },
277 { .driver = "isa-parallel", .flag = &default_parallel },
278 { .driver = "isa-fdc", .flag = &default_floppy },
279 { .driver = "ide-cd", .flag = &default_cdrom },
280 { .driver = "ide-hd", .flag = &default_cdrom },
281 { .driver = "ide-drive", .flag = &default_cdrom },
282 { .driver = "scsi-cd", .flag = &default_cdrom },
283 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
284 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
285 { .driver = "virtio-serial", .flag = &default_virtcon },
286 { .driver = "VGA", .flag = &default_vga },
287 { .driver = "isa-vga", .flag = &default_vga },
288 { .driver = "cirrus-vga", .flag = &default_vga },
289 { .driver = "isa-cirrus-vga", .flag = &default_vga },
290 { .driver = "vmware-svga", .flag = &default_vga },
291 { .driver = "qxl-vga", .flag = &default_vga },
292 };
293
294 static void res_free(void)
295 {
296 if (boot_splash_filedata != NULL) {
297 g_free(boot_splash_filedata);
298 boot_splash_filedata = NULL;
299 }
300 }
301
302 static int default_driver_check(QemuOpts *opts, void *opaque)
303 {
304 const char *driver = qemu_opt_get(opts, "driver");
305 int i;
306
307 if (!driver)
308 return 0;
309 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
310 if (strcmp(default_list[i].driver, driver) != 0)
311 continue;
312 *(default_list[i].flag) = 0;
313 }
314 return 0;
315 }
316
317 /***********************************************************/
318 /* QEMU state */
319
320 static RunState current_run_state = RUN_STATE_PRELAUNCH;
321
322 typedef struct {
323 RunState from;
324 RunState to;
325 } RunStateTransition;
326
327 static const RunStateTransition runstate_transitions_def[] = {
328 /* from -> to */
329 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
330
331 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
332 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
333
334 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
335 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
336
337 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
338 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
339
340 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
341 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
342
343 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
344 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
345
346 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
347 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
348 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
349
350 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
351 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
352
353 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
354
355 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
356 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
357 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
358 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
359 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
360 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
361 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
362 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
363 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
364
365 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
366
367 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
368 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
369
370 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
371 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
372 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
373 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
374
375 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
376 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
377
378 { RUN_STATE_MAX, RUN_STATE_MAX },
379 };
380
381 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
382
383 bool runstate_check(RunState state)
384 {
385 return current_run_state == state;
386 }
387
388 void runstate_init(void)
389 {
390 const RunStateTransition *p;
391
392 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
393
394 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
395 runstate_valid_transitions[p->from][p->to] = true;
396 }
397 }
398
399 /* This function will abort() on invalid state transitions */
400 void runstate_set(RunState new_state)
401 {
402 assert(new_state < RUN_STATE_MAX);
403
404 if (!runstate_valid_transitions[current_run_state][new_state]) {
405 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
406 RunState_lookup[current_run_state],
407 RunState_lookup[new_state]);
408 abort();
409 }
410
411 current_run_state = new_state;
412 }
413
414 int runstate_is_running(void)
415 {
416 return runstate_check(RUN_STATE_RUNNING);
417 }
418
419 StatusInfo *qmp_query_status(Error **errp)
420 {
421 StatusInfo *info = g_malloc0(sizeof(*info));
422
423 info->running = runstate_is_running();
424 info->singlestep = singlestep;
425 info->status = current_run_state;
426
427 return info;
428 }
429
430 /***********************************************************/
431 /* real time host monotonic timer */
432
433 /***********************************************************/
434 /* host time/date access */
435 void qemu_get_timedate(struct tm *tm, int offset)
436 {
437 time_t ti;
438 struct tm *ret;
439
440 time(&ti);
441 ti += offset;
442 if (rtc_date_offset == -1) {
443 if (rtc_utc)
444 ret = gmtime(&ti);
445 else
446 ret = localtime(&ti);
447 } else {
448 ti -= rtc_date_offset;
449 ret = gmtime(&ti);
450 }
451
452 memcpy(tm, ret, sizeof(struct tm));
453 }
454
455 int qemu_timedate_diff(struct tm *tm)
456 {
457 time_t seconds;
458
459 if (rtc_date_offset == -1)
460 if (rtc_utc)
461 seconds = mktimegm(tm);
462 else {
463 struct tm tmp = *tm;
464 tmp.tm_isdst = -1; /* use timezone to figure it out */
465 seconds = mktime(&tmp);
466 }
467 else
468 seconds = mktimegm(tm) + rtc_date_offset;
469
470 return seconds - time(NULL);
471 }
472
473 void rtc_change_mon_event(struct tm *tm)
474 {
475 QObject *data;
476
477 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
478 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
479 qobject_decref(data);
480 }
481
482 static void configure_rtc_date_offset(const char *startdate, int legacy)
483 {
484 time_t rtc_start_date;
485 struct tm tm;
486
487 if (!strcmp(startdate, "now") && legacy) {
488 rtc_date_offset = -1;
489 } else {
490 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
491 &tm.tm_year,
492 &tm.tm_mon,
493 &tm.tm_mday,
494 &tm.tm_hour,
495 &tm.tm_min,
496 &tm.tm_sec) == 6) {
497 /* OK */
498 } else if (sscanf(startdate, "%d-%d-%d",
499 &tm.tm_year,
500 &tm.tm_mon,
501 &tm.tm_mday) == 3) {
502 tm.tm_hour = 0;
503 tm.tm_min = 0;
504 tm.tm_sec = 0;
505 } else {
506 goto date_fail;
507 }
508 tm.tm_year -= 1900;
509 tm.tm_mon--;
510 rtc_start_date = mktimegm(&tm);
511 if (rtc_start_date == -1) {
512 date_fail:
513 fprintf(stderr, "Invalid date format. Valid formats are:\n"
514 "'2006-06-17T16:01:21' or '2006-06-17'\n");
515 exit(1);
516 }
517 rtc_date_offset = time(NULL) - rtc_start_date;
518 }
519 }
520
521 static void configure_rtc(QemuOpts *opts)
522 {
523 const char *value;
524
525 value = qemu_opt_get(opts, "base");
526 if (value) {
527 if (!strcmp(value, "utc")) {
528 rtc_utc = 1;
529 } else if (!strcmp(value, "localtime")) {
530 rtc_utc = 0;
531 } else {
532 configure_rtc_date_offset(value, 0);
533 }
534 }
535 value = qemu_opt_get(opts, "clock");
536 if (value) {
537 if (!strcmp(value, "host")) {
538 rtc_clock = host_clock;
539 } else if (!strcmp(value, "rt")) {
540 rtc_clock = rt_clock;
541 } else if (!strcmp(value, "vm")) {
542 rtc_clock = vm_clock;
543 } else {
544 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
545 exit(1);
546 }
547 }
548 value = qemu_opt_get(opts, "driftfix");
549 if (value) {
550 if (!strcmp(value, "slew")) {
551 static GlobalProperty slew_lost_ticks[] = {
552 {
553 .driver = "mc146818rtc",
554 .property = "lost_tick_policy",
555 .value = "slew",
556 },
557 { /* end of list */ }
558 };
559
560 qdev_prop_register_global_list(slew_lost_ticks);
561 } else if (!strcmp(value, "none")) {
562 /* discard is default */
563 } else {
564 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
565 exit(1);
566 }
567 }
568 }
569
570 /***********************************************************/
571 /* Bluetooth support */
572 static int nb_hcis;
573 static int cur_hci;
574 static struct HCIInfo *hci_table[MAX_NICS];
575
576 static struct bt_vlan_s {
577 struct bt_scatternet_s net;
578 int id;
579 struct bt_vlan_s *next;
580 } *first_bt_vlan;
581
582 /* find or alloc a new bluetooth "VLAN" */
583 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
584 {
585 struct bt_vlan_s **pvlan, *vlan;
586 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
587 if (vlan->id == id)
588 return &vlan->net;
589 }
590 vlan = g_malloc0(sizeof(struct bt_vlan_s));
591 vlan->id = id;
592 pvlan = &first_bt_vlan;
593 while (*pvlan != NULL)
594 pvlan = &(*pvlan)->next;
595 *pvlan = vlan;
596 return &vlan->net;
597 }
598
599 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
600 {
601 }
602
603 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
604 {
605 return -ENOTSUP;
606 }
607
608 static struct HCIInfo null_hci = {
609 .cmd_send = null_hci_send,
610 .sco_send = null_hci_send,
611 .acl_send = null_hci_send,
612 .bdaddr_set = null_hci_addr_set,
613 };
614
615 struct HCIInfo *qemu_next_hci(void)
616 {
617 if (cur_hci == nb_hcis)
618 return &null_hci;
619
620 return hci_table[cur_hci++];
621 }
622
623 static struct HCIInfo *hci_init(const char *str)
624 {
625 char *endp;
626 struct bt_scatternet_s *vlan = 0;
627
628 if (!strcmp(str, "null"))
629 /* null */
630 return &null_hci;
631 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
632 /* host[:hciN] */
633 return bt_host_hci(str[4] ? str + 5 : "hci0");
634 else if (!strncmp(str, "hci", 3)) {
635 /* hci[,vlan=n] */
636 if (str[3]) {
637 if (!strncmp(str + 3, ",vlan=", 6)) {
638 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
639 if (*endp)
640 vlan = 0;
641 }
642 } else
643 vlan = qemu_find_bt_vlan(0);
644 if (vlan)
645 return bt_new_hci(vlan);
646 }
647
648 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
649
650 return 0;
651 }
652
653 static int bt_hci_parse(const char *str)
654 {
655 struct HCIInfo *hci;
656 bdaddr_t bdaddr;
657
658 if (nb_hcis >= MAX_NICS) {
659 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
660 return -1;
661 }
662
663 hci = hci_init(str);
664 if (!hci)
665 return -1;
666
667 bdaddr.b[0] = 0x52;
668 bdaddr.b[1] = 0x54;
669 bdaddr.b[2] = 0x00;
670 bdaddr.b[3] = 0x12;
671 bdaddr.b[4] = 0x34;
672 bdaddr.b[5] = 0x56 + nb_hcis;
673 hci->bdaddr_set(hci, bdaddr.b);
674
675 hci_table[nb_hcis++] = hci;
676
677 return 0;
678 }
679
680 static void bt_vhci_add(int vlan_id)
681 {
682 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
683
684 if (!vlan->slave)
685 fprintf(stderr, "qemu: warning: adding a VHCI to "
686 "an empty scatternet %i\n", vlan_id);
687
688 bt_vhci_init(bt_new_hci(vlan));
689 }
690
691 static struct bt_device_s *bt_device_add(const char *opt)
692 {
693 struct bt_scatternet_s *vlan;
694 int vlan_id = 0;
695 char *endp = strstr(opt, ",vlan=");
696 int len = (endp ? endp - opt : strlen(opt)) + 1;
697 char devname[10];
698
699 pstrcpy(devname, MIN(sizeof(devname), len), opt);
700
701 if (endp) {
702 vlan_id = strtol(endp + 6, &endp, 0);
703 if (*endp) {
704 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
705 return 0;
706 }
707 }
708
709 vlan = qemu_find_bt_vlan(vlan_id);
710
711 if (!vlan->slave)
712 fprintf(stderr, "qemu: warning: adding a slave device to "
713 "an empty scatternet %i\n", vlan_id);
714
715 if (!strcmp(devname, "keyboard"))
716 return bt_keyboard_init(vlan);
717
718 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
719 return 0;
720 }
721
722 static int bt_parse(const char *opt)
723 {
724 const char *endp, *p;
725 int vlan;
726
727 if (strstart(opt, "hci", &endp)) {
728 if (!*endp || *endp == ',') {
729 if (*endp)
730 if (!strstart(endp, ",vlan=", 0))
731 opt = endp + 1;
732
733 return bt_hci_parse(opt);
734 }
735 } else if (strstart(opt, "vhci", &endp)) {
736 if (!*endp || *endp == ',') {
737 if (*endp) {
738 if (strstart(endp, ",vlan=", &p)) {
739 vlan = strtol(p, (char **) &endp, 0);
740 if (*endp) {
741 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
742 return 1;
743 }
744 } else {
745 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
746 return 1;
747 }
748 } else
749 vlan = 0;
750
751 bt_vhci_add(vlan);
752 return 0;
753 }
754 } else if (strstart(opt, "device:", &endp))
755 return !bt_device_add(endp);
756
757 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
758 return 1;
759 }
760
761 /***********************************************************/
762 /* QEMU Block devices */
763
764 #define HD_OPTS "media=disk"
765 #define CDROM_OPTS "media=cdrom"
766 #define FD_OPTS ""
767 #define PFLASH_OPTS ""
768 #define MTD_OPTS ""
769 #define SD_OPTS ""
770
771 static int drive_init_func(QemuOpts *opts, void *opaque)
772 {
773 int *use_scsi = opaque;
774
775 return drive_init(opts, *use_scsi) == NULL;
776 }
777
778 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
779 {
780 if (NULL == qemu_opt_get(opts, "snapshot")) {
781 qemu_opt_set(opts, "snapshot", "on");
782 }
783 return 0;
784 }
785
786 static void default_drive(int enable, int snapshot, int use_scsi,
787 BlockInterfaceType type, int index,
788 const char *optstr)
789 {
790 QemuOpts *opts;
791
792 if (type == IF_DEFAULT) {
793 type = use_scsi ? IF_SCSI : IF_IDE;
794 }
795
796 if (!enable || drive_get_by_index(type, index)) {
797 return;
798 }
799
800 opts = drive_add(type, index, NULL, optstr);
801 if (snapshot) {
802 drive_enable_snapshot(opts, NULL);
803 }
804 if (!drive_init(opts, use_scsi)) {
805 exit(1);
806 }
807 }
808
809 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
810 {
811 boot_set_handler = func;
812 boot_set_opaque = opaque;
813 }
814
815 int qemu_boot_set(const char *boot_devices)
816 {
817 if (!boot_set_handler) {
818 return -EINVAL;
819 }
820 return boot_set_handler(boot_set_opaque, boot_devices);
821 }
822
823 static void validate_bootdevices(char *devices)
824 {
825 /* We just do some generic consistency checks */
826 const char *p;
827 int bitmap = 0;
828
829 for (p = devices; *p != '\0'; p++) {
830 /* Allowed boot devices are:
831 * a-b: floppy disk drives
832 * c-f: IDE disk drives
833 * g-m: machine implementation dependent drives
834 * n-p: network devices
835 * It's up to each machine implementation to check if the given boot
836 * devices match the actual hardware implementation and firmware
837 * features.
838 */
839 if (*p < 'a' || *p > 'p') {
840 fprintf(stderr, "Invalid boot device '%c'\n", *p);
841 exit(1);
842 }
843 if (bitmap & (1 << (*p - 'a'))) {
844 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
845 exit(1);
846 }
847 bitmap |= 1 << (*p - 'a');
848 }
849 }
850
851 static void restore_boot_devices(void *opaque)
852 {
853 char *standard_boot_devices = opaque;
854 static int first = 1;
855
856 /* Restore boot order and remove ourselves after the first boot */
857 if (first) {
858 first = 0;
859 return;
860 }
861
862 qemu_boot_set(standard_boot_devices);
863
864 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
865 g_free(standard_boot_devices);
866 }
867
868 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
869 const char *suffix)
870 {
871 FWBootEntry *node, *i;
872
873 if (bootindex < 0) {
874 return;
875 }
876
877 assert(dev != NULL || suffix != NULL);
878
879 node = g_malloc0(sizeof(FWBootEntry));
880 node->bootindex = bootindex;
881 node->suffix = suffix ? g_strdup(suffix) : NULL;
882 node->dev = dev;
883
884 QTAILQ_FOREACH(i, &fw_boot_order, link) {
885 if (i->bootindex == bootindex) {
886 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
887 exit(1);
888 } else if (i->bootindex < bootindex) {
889 continue;
890 }
891 QTAILQ_INSERT_BEFORE(i, node, link);
892 return;
893 }
894 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
895 }
896
897 /*
898 * This function returns null terminated string that consist of new line
899 * separated device paths.
900 *
901 * memory pointed by "size" is assigned total length of the array in bytes
902 *
903 */
904 char *get_boot_devices_list(uint32_t *size)
905 {
906 FWBootEntry *i;
907 uint32_t total = 0;
908 char *list = NULL;
909
910 QTAILQ_FOREACH(i, &fw_boot_order, link) {
911 char *devpath = NULL, *bootpath;
912 int len;
913
914 if (i->dev) {
915 devpath = qdev_get_fw_dev_path(i->dev);
916 assert(devpath);
917 }
918
919 if (i->suffix && devpath) {
920 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
921
922 bootpath = g_malloc(bootpathlen);
923 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
924 g_free(devpath);
925 } else if (devpath) {
926 bootpath = devpath;
927 } else {
928 assert(i->suffix);
929 bootpath = g_strdup(i->suffix);
930 }
931
932 if (total) {
933 list[total-1] = '\n';
934 }
935 len = strlen(bootpath) + 1;
936 list = g_realloc(list, total + len);
937 memcpy(&list[total], bootpath, len);
938 total += len;
939 g_free(bootpath);
940 }
941
942 *size = total;
943
944 return list;
945 }
946
947 static void numa_add(const char *optarg)
948 {
949 char option[128];
950 char *endptr;
951 unsigned long long value, endvalue;
952 int nodenr;
953
954 optarg = get_opt_name(option, 128, optarg, ',') + 1;
955 if (!strcmp(option, "node")) {
956 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
957 nodenr = nb_numa_nodes;
958 } else {
959 nodenr = strtoull(option, NULL, 10);
960 }
961
962 if (get_param_value(option, 128, "mem", optarg) == 0) {
963 node_mem[nodenr] = 0;
964 } else {
965 int64_t sval;
966 sval = strtosz(option, &endptr);
967 if (sval < 0 || *endptr) {
968 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
969 exit(1);
970 }
971 node_mem[nodenr] = sval;
972 }
973 if (get_param_value(option, 128, "cpus", optarg) == 0) {
974 node_cpumask[nodenr] = 0;
975 } else {
976 value = strtoull(option, &endptr, 10);
977 if (value >= 64) {
978 value = 63;
979 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
980 } else {
981 if (*endptr == '-') {
982 endvalue = strtoull(endptr+1, &endptr, 10);
983 if (endvalue >= 63) {
984 endvalue = 62;
985 fprintf(stderr,
986 "only 63 CPUs in NUMA mode supported.\n");
987 }
988 value = (2ULL << endvalue) - (1ULL << value);
989 } else {
990 value = 1ULL << value;
991 }
992 }
993 node_cpumask[nodenr] = value;
994 }
995 nb_numa_nodes++;
996 }
997 return;
998 }
999
1000 static void smp_parse(const char *optarg)
1001 {
1002 int smp, sockets = 0, threads = 0, cores = 0;
1003 char *endptr;
1004 char option[128];
1005
1006 smp = strtoul(optarg, &endptr, 10);
1007 if (endptr != optarg) {
1008 if (*endptr == ',') {
1009 endptr++;
1010 }
1011 }
1012 if (get_param_value(option, 128, "sockets", endptr) != 0)
1013 sockets = strtoull(option, NULL, 10);
1014 if (get_param_value(option, 128, "cores", endptr) != 0)
1015 cores = strtoull(option, NULL, 10);
1016 if (get_param_value(option, 128, "threads", endptr) != 0)
1017 threads = strtoull(option, NULL, 10);
1018 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1019 max_cpus = strtoull(option, NULL, 10);
1020
1021 /* compute missing values, prefer sockets over cores over threads */
1022 if (smp == 0 || sockets == 0) {
1023 sockets = sockets > 0 ? sockets : 1;
1024 cores = cores > 0 ? cores : 1;
1025 threads = threads > 0 ? threads : 1;
1026 if (smp == 0) {
1027 smp = cores * threads * sockets;
1028 }
1029 } else {
1030 if (cores == 0) {
1031 threads = threads > 0 ? threads : 1;
1032 cores = smp / (sockets * threads);
1033 } else {
1034 threads = smp / (cores * sockets);
1035 }
1036 }
1037 smp_cpus = smp;
1038 smp_cores = cores > 0 ? cores : 1;
1039 smp_threads = threads > 0 ? threads : 1;
1040 if (max_cpus == 0)
1041 max_cpus = smp_cpus;
1042 }
1043
1044 /***********************************************************/
1045 /* USB devices */
1046
1047 static int usb_device_add(const char *devname)
1048 {
1049 const char *p;
1050 USBDevice *dev = NULL;
1051
1052 if (!usb_enabled)
1053 return -1;
1054
1055 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1056 dev = usbdevice_create(devname);
1057 if (dev)
1058 goto done;
1059
1060 /* the other ones */
1061 #ifndef CONFIG_LINUX
1062 /* only the linux version is qdev-ified, usb-bsd still needs this */
1063 if (strstart(devname, "host:", &p)) {
1064 dev = usb_host_device_open(usb_bus_find(-1), p);
1065 } else
1066 #endif
1067 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1068 dev = usb_bt_init(usb_bus_find(-1),
1069 devname[2] ? hci_init(p)
1070 : bt_new_hci(qemu_find_bt_vlan(0)));
1071 } else {
1072 return -1;
1073 }
1074 if (!dev)
1075 return -1;
1076
1077 done:
1078 return 0;
1079 }
1080
1081 static int usb_device_del(const char *devname)
1082 {
1083 int bus_num, addr;
1084 const char *p;
1085
1086 if (strstart(devname, "host:", &p))
1087 return usb_host_device_close(p);
1088
1089 if (!usb_enabled)
1090 return -1;
1091
1092 p = strchr(devname, '.');
1093 if (!p)
1094 return -1;
1095 bus_num = strtoul(devname, NULL, 0);
1096 addr = strtoul(p + 1, NULL, 0);
1097
1098 return usb_device_delete_addr(bus_num, addr);
1099 }
1100
1101 static int usb_parse(const char *cmdline)
1102 {
1103 int r;
1104 r = usb_device_add(cmdline);
1105 if (r < 0) {
1106 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1107 }
1108 return r;
1109 }
1110
1111 void do_usb_add(Monitor *mon, const QDict *qdict)
1112 {
1113 const char *devname = qdict_get_str(qdict, "devname");
1114 if (usb_device_add(devname) < 0) {
1115 error_report("could not add USB device '%s'", devname);
1116 }
1117 }
1118
1119 void do_usb_del(Monitor *mon, const QDict *qdict)
1120 {
1121 const char *devname = qdict_get_str(qdict, "devname");
1122 if (usb_device_del(devname) < 0) {
1123 error_report("could not delete USB device '%s'", devname);
1124 }
1125 }
1126
1127 /***********************************************************/
1128 /* PCMCIA/Cardbus */
1129
1130 static struct pcmcia_socket_entry_s {
1131 PCMCIASocket *socket;
1132 struct pcmcia_socket_entry_s *next;
1133 } *pcmcia_sockets = 0;
1134
1135 void pcmcia_socket_register(PCMCIASocket *socket)
1136 {
1137 struct pcmcia_socket_entry_s *entry;
1138
1139 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1140 entry->socket = socket;
1141 entry->next = pcmcia_sockets;
1142 pcmcia_sockets = entry;
1143 }
1144
1145 void pcmcia_socket_unregister(PCMCIASocket *socket)
1146 {
1147 struct pcmcia_socket_entry_s *entry, **ptr;
1148
1149 ptr = &pcmcia_sockets;
1150 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1151 if (entry->socket == socket) {
1152 *ptr = entry->next;
1153 g_free(entry);
1154 }
1155 }
1156
1157 void pcmcia_info(Monitor *mon)
1158 {
1159 struct pcmcia_socket_entry_s *iter;
1160
1161 if (!pcmcia_sockets)
1162 monitor_printf(mon, "No PCMCIA sockets\n");
1163
1164 for (iter = pcmcia_sockets; iter; iter = iter->next)
1165 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1166 iter->socket->attached ? iter->socket->card_string :
1167 "Empty");
1168 }
1169
1170 /***********************************************************/
1171 /* machine registration */
1172
1173 static QEMUMachine *first_machine = NULL;
1174 QEMUMachine *current_machine = NULL;
1175
1176 int qemu_register_machine(QEMUMachine *m)
1177 {
1178 QEMUMachine **pm;
1179 pm = &first_machine;
1180 while (*pm != NULL)
1181 pm = &(*pm)->next;
1182 m->next = NULL;
1183 *pm = m;
1184 return 0;
1185 }
1186
1187 static QEMUMachine *find_machine(const char *name)
1188 {
1189 QEMUMachine *m;
1190
1191 for(m = first_machine; m != NULL; m = m->next) {
1192 if (!strcmp(m->name, name))
1193 return m;
1194 if (m->alias && !strcmp(m->alias, name))
1195 return m;
1196 }
1197 return NULL;
1198 }
1199
1200 QEMUMachine *find_default_machine(void)
1201 {
1202 QEMUMachine *m;
1203
1204 for(m = first_machine; m != NULL; m = m->next) {
1205 if (m->is_default) {
1206 return m;
1207 }
1208 }
1209 return NULL;
1210 }
1211
1212 /***********************************************************/
1213 /* main execution loop */
1214
1215 static void gui_update(void *opaque)
1216 {
1217 uint64_t interval = GUI_REFRESH_INTERVAL;
1218 DisplayState *ds = opaque;
1219 DisplayChangeListener *dcl = ds->listeners;
1220
1221 dpy_refresh(ds);
1222
1223 while (dcl != NULL) {
1224 if (dcl->gui_timer_interval &&
1225 dcl->gui_timer_interval < interval)
1226 interval = dcl->gui_timer_interval;
1227 dcl = dcl->next;
1228 }
1229 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1230 }
1231
1232 struct vm_change_state_entry {
1233 VMChangeStateHandler *cb;
1234 void *opaque;
1235 QLIST_ENTRY (vm_change_state_entry) entries;
1236 };
1237
1238 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1239
1240 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1241 void *opaque)
1242 {
1243 VMChangeStateEntry *e;
1244
1245 e = g_malloc0(sizeof (*e));
1246
1247 e->cb = cb;
1248 e->opaque = opaque;
1249 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1250 return e;
1251 }
1252
1253 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1254 {
1255 QLIST_REMOVE (e, entries);
1256 g_free (e);
1257 }
1258
1259 void vm_state_notify(int running, RunState state)
1260 {
1261 VMChangeStateEntry *e;
1262
1263 trace_vm_state_notify(running, state);
1264
1265 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1266 e->cb(e->opaque, running, state);
1267 }
1268 }
1269
1270 void vm_start(void)
1271 {
1272 if (!runstate_is_running()) {
1273 cpu_enable_ticks();
1274 runstate_set(RUN_STATE_RUNNING);
1275 vm_state_notify(1, RUN_STATE_RUNNING);
1276 resume_all_vcpus();
1277 monitor_protocol_event(QEVENT_RESUME, NULL);
1278 }
1279 }
1280
1281 /* reset/shutdown handler */
1282
1283 typedef struct QEMUResetEntry {
1284 QTAILQ_ENTRY(QEMUResetEntry) entry;
1285 QEMUResetHandler *func;
1286 void *opaque;
1287 } QEMUResetEntry;
1288
1289 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1290 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1291 static int reset_requested;
1292 static int shutdown_requested, shutdown_signal = -1;
1293 static pid_t shutdown_pid;
1294 static int powerdown_requested;
1295 static int debug_requested;
1296 static int suspend_requested;
1297 static NotifierList suspend_notifiers =
1298 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1299 static NotifierList wakeup_notifiers =
1300 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1301 static uint32_t wakeup_reason_mask = ~0;
1302 static RunState vmstop_requested = RUN_STATE_MAX;
1303
1304 int qemu_shutdown_requested_get(void)
1305 {
1306 return shutdown_requested;
1307 }
1308
1309 int qemu_reset_requested_get(void)
1310 {
1311 return reset_requested;
1312 }
1313
1314 int qemu_shutdown_requested(void)
1315 {
1316 int r = shutdown_requested;
1317 shutdown_requested = 0;
1318 return r;
1319 }
1320
1321 void qemu_kill_report(void)
1322 {
1323 if (!qtest_enabled() && shutdown_signal != -1) {
1324 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1325 if (shutdown_pid == 0) {
1326 /* This happens for eg ^C at the terminal, so it's worth
1327 * avoiding printing an odd message in that case.
1328 */
1329 fputc('\n', stderr);
1330 } else {
1331 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1332 }
1333 shutdown_signal = -1;
1334 }
1335 }
1336
1337 int qemu_reset_requested(void)
1338 {
1339 int r = reset_requested;
1340 reset_requested = 0;
1341 return r;
1342 }
1343
1344 static int qemu_suspend_requested(void)
1345 {
1346 int r = suspend_requested;
1347 suspend_requested = 0;
1348 return r;
1349 }
1350
1351 int qemu_powerdown_requested(void)
1352 {
1353 int r = powerdown_requested;
1354 powerdown_requested = 0;
1355 return r;
1356 }
1357
1358 static int qemu_debug_requested(void)
1359 {
1360 int r = debug_requested;
1361 debug_requested = 0;
1362 return r;
1363 }
1364
1365 /* We use RUN_STATE_MAX but any invalid value will do */
1366 static bool qemu_vmstop_requested(RunState *r)
1367 {
1368 if (vmstop_requested < RUN_STATE_MAX) {
1369 *r = vmstop_requested;
1370 vmstop_requested = RUN_STATE_MAX;
1371 return true;
1372 }
1373
1374 return false;
1375 }
1376
1377 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1378 {
1379 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1380
1381 re->func = func;
1382 re->opaque = opaque;
1383 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1384 }
1385
1386 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1387 {
1388 QEMUResetEntry *re;
1389
1390 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1391 if (re->func == func && re->opaque == opaque) {
1392 QTAILQ_REMOVE(&reset_handlers, re, entry);
1393 g_free(re);
1394 return;
1395 }
1396 }
1397 }
1398
1399 void qemu_system_reset(bool report)
1400 {
1401 QEMUResetEntry *re, *nre;
1402
1403 /* reset all devices */
1404 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1405 re->func(re->opaque);
1406 }
1407 if (report) {
1408 monitor_protocol_event(QEVENT_RESET, NULL);
1409 }
1410 cpu_synchronize_all_post_reset();
1411 }
1412
1413 void qemu_system_reset_request(void)
1414 {
1415 if (no_reboot) {
1416 shutdown_requested = 1;
1417 } else {
1418 reset_requested = 1;
1419 }
1420 cpu_stop_current();
1421 qemu_notify_event();
1422 }
1423
1424 static void qemu_system_suspend(void)
1425 {
1426 pause_all_vcpus();
1427 notifier_list_notify(&suspend_notifiers, NULL);
1428 runstate_set(RUN_STATE_SUSPENDED);
1429 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1430 }
1431
1432 void qemu_system_suspend_request(void)
1433 {
1434 if (runstate_check(RUN_STATE_SUSPENDED)) {
1435 return;
1436 }
1437 suspend_requested = 1;
1438 cpu_stop_current();
1439 qemu_notify_event();
1440 }
1441
1442 void qemu_register_suspend_notifier(Notifier *notifier)
1443 {
1444 notifier_list_add(&suspend_notifiers, notifier);
1445 }
1446
1447 void qemu_system_wakeup_request(WakeupReason reason)
1448 {
1449 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1450 return;
1451 }
1452 if (!(wakeup_reason_mask & (1 << reason))) {
1453 return;
1454 }
1455 runstate_set(RUN_STATE_RUNNING);
1456 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1457 notifier_list_notify(&wakeup_notifiers, &reason);
1458 reset_requested = 1;
1459 qemu_notify_event();
1460 }
1461
1462 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1463 {
1464 if (enabled) {
1465 wakeup_reason_mask |= (1 << reason);
1466 } else {
1467 wakeup_reason_mask &= ~(1 << reason);
1468 }
1469 }
1470
1471 void qemu_register_wakeup_notifier(Notifier *notifier)
1472 {
1473 notifier_list_add(&wakeup_notifiers, notifier);
1474 }
1475
1476 void qemu_system_killed(int signal, pid_t pid)
1477 {
1478 shutdown_signal = signal;
1479 shutdown_pid = pid;
1480 no_shutdown = 0;
1481 qemu_system_shutdown_request();
1482 }
1483
1484 void qemu_system_shutdown_request(void)
1485 {
1486 shutdown_requested = 1;
1487 qemu_notify_event();
1488 }
1489
1490 void qemu_system_powerdown_request(void)
1491 {
1492 powerdown_requested = 1;
1493 qemu_notify_event();
1494 }
1495
1496 void qemu_system_debug_request(void)
1497 {
1498 debug_requested = 1;
1499 qemu_notify_event();
1500 }
1501
1502 void qemu_system_vmstop_request(RunState state)
1503 {
1504 vmstop_requested = state;
1505 qemu_notify_event();
1506 }
1507
1508 qemu_irq qemu_system_powerdown;
1509
1510 static bool main_loop_should_exit(void)
1511 {
1512 RunState r;
1513 if (qemu_debug_requested()) {
1514 vm_stop(RUN_STATE_DEBUG);
1515 }
1516 if (qemu_suspend_requested()) {
1517 qemu_system_suspend();
1518 }
1519 if (qemu_shutdown_requested()) {
1520 qemu_kill_report();
1521 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1522 if (no_shutdown) {
1523 vm_stop(RUN_STATE_SHUTDOWN);
1524 } else {
1525 return true;
1526 }
1527 }
1528 if (qemu_reset_requested()) {
1529 pause_all_vcpus();
1530 cpu_synchronize_all_states();
1531 qemu_system_reset(VMRESET_REPORT);
1532 resume_all_vcpus();
1533 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1534 runstate_check(RUN_STATE_SHUTDOWN)) {
1535 runstate_set(RUN_STATE_PAUSED);
1536 }
1537 }
1538 if (qemu_powerdown_requested()) {
1539 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1540 qemu_irq_raise(qemu_system_powerdown);
1541 }
1542 if (qemu_vmstop_requested(&r)) {
1543 vm_stop(r);
1544 }
1545 return false;
1546 }
1547
1548 static void main_loop(void)
1549 {
1550 bool nonblocking;
1551 int last_io = 0;
1552 #ifdef CONFIG_PROFILER
1553 int64_t ti;
1554 #endif
1555 do {
1556 nonblocking = !kvm_enabled() && last_io > 0;
1557 #ifdef CONFIG_PROFILER
1558 ti = profile_getclock();
1559 #endif
1560 last_io = main_loop_wait(nonblocking);
1561 #ifdef CONFIG_PROFILER
1562 dev_time += profile_getclock() - ti;
1563 #endif
1564 } while (!main_loop_should_exit());
1565 }
1566
1567 static void version(void)
1568 {
1569 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1570 }
1571
1572 static void help(int exitcode)
1573 {
1574 version();
1575 printf("usage: %s [options] [disk_image]\n\n"
1576 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1577 error_get_progname());
1578
1579 #define QEMU_OPTIONS_GENERATE_HELP
1580 #include "qemu-options-wrapper.h"
1581
1582 printf("\nDuring emulation, the following keys are useful:\n"
1583 "ctrl-alt-f toggle full screen\n"
1584 "ctrl-alt-n switch to virtual console 'n'\n"
1585 "ctrl-alt toggle mouse and keyboard grab\n"
1586 "\n"
1587 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1588
1589 exit(exitcode);
1590 }
1591
1592 #define HAS_ARG 0x0001
1593
1594 typedef struct QEMUOption {
1595 const char *name;
1596 int flags;
1597 int index;
1598 uint32_t arch_mask;
1599 } QEMUOption;
1600
1601 static const QEMUOption qemu_options[] = {
1602 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1603 #define QEMU_OPTIONS_GENERATE_OPTIONS
1604 #include "qemu-options-wrapper.h"
1605 { NULL },
1606 };
1607
1608 static bool vga_available(void)
1609 {
1610 return qdev_exists("VGA") || qdev_exists("isa-vga");
1611 }
1612
1613 static bool cirrus_vga_available(void)
1614 {
1615 return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1616 }
1617
1618 static bool vmware_vga_available(void)
1619 {
1620 return qdev_exists("vmware-svga");
1621 }
1622
1623 static void select_vgahw (const char *p)
1624 {
1625 const char *opts;
1626
1627 vga_interface_type = VGA_NONE;
1628 if (strstart(p, "std", &opts)) {
1629 if (vga_available()) {
1630 vga_interface_type = VGA_STD;
1631 } else {
1632 fprintf(stderr, "Error: standard VGA not available\n");
1633 exit(0);
1634 }
1635 } else if (strstart(p, "cirrus", &opts)) {
1636 if (cirrus_vga_available()) {
1637 vga_interface_type = VGA_CIRRUS;
1638 } else {
1639 fprintf(stderr, "Error: Cirrus VGA not available\n");
1640 exit(0);
1641 }
1642 } else if (strstart(p, "vmware", &opts)) {
1643 if (vmware_vga_available()) {
1644 vga_interface_type = VGA_VMWARE;
1645 } else {
1646 fprintf(stderr, "Error: VMWare SVGA not available\n");
1647 exit(0);
1648 }
1649 } else if (strstart(p, "xenfb", &opts)) {
1650 vga_interface_type = VGA_XENFB;
1651 } else if (strstart(p, "qxl", &opts)) {
1652 vga_interface_type = VGA_QXL;
1653 } else if (!strstart(p, "none", &opts)) {
1654 invalid_vga:
1655 fprintf(stderr, "Unknown vga type: %s\n", p);
1656 exit(1);
1657 }
1658 while (*opts) {
1659 const char *nextopt;
1660
1661 if (strstart(opts, ",retrace=", &nextopt)) {
1662 opts = nextopt;
1663 if (strstart(opts, "dumb", &nextopt))
1664 vga_retrace_method = VGA_RETRACE_DUMB;
1665 else if (strstart(opts, "precise", &nextopt))
1666 vga_retrace_method = VGA_RETRACE_PRECISE;
1667 else goto invalid_vga;
1668 } else goto invalid_vga;
1669 opts = nextopt;
1670 }
1671 }
1672
1673 static DisplayType select_display(const char *p)
1674 {
1675 const char *opts;
1676 DisplayType display = DT_DEFAULT;
1677
1678 if (strstart(p, "sdl", &opts)) {
1679 #ifdef CONFIG_SDL
1680 display = DT_SDL;
1681 while (*opts) {
1682 const char *nextopt;
1683
1684 if (strstart(opts, ",frame=", &nextopt)) {
1685 opts = nextopt;
1686 if (strstart(opts, "on", &nextopt)) {
1687 no_frame = 0;
1688 } else if (strstart(opts, "off", &nextopt)) {
1689 no_frame = 1;
1690 } else {
1691 goto invalid_sdl_args;
1692 }
1693 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1694 opts = nextopt;
1695 if (strstart(opts, "on", &nextopt)) {
1696 alt_grab = 1;
1697 } else if (strstart(opts, "off", &nextopt)) {
1698 alt_grab = 0;
1699 } else {
1700 goto invalid_sdl_args;
1701 }
1702 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1703 opts = nextopt;
1704 if (strstart(opts, "on", &nextopt)) {
1705 ctrl_grab = 1;
1706 } else if (strstart(opts, "off", &nextopt)) {
1707 ctrl_grab = 0;
1708 } else {
1709 goto invalid_sdl_args;
1710 }
1711 } else if (strstart(opts, ",window_close=", &nextopt)) {
1712 opts = nextopt;
1713 if (strstart(opts, "on", &nextopt)) {
1714 no_quit = 0;
1715 } else if (strstart(opts, "off", &nextopt)) {
1716 no_quit = 1;
1717 } else {
1718 goto invalid_sdl_args;
1719 }
1720 } else {
1721 invalid_sdl_args:
1722 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1723 exit(1);
1724 }
1725 opts = nextopt;
1726 }
1727 #else
1728 fprintf(stderr, "SDL support is disabled\n");
1729 exit(1);
1730 #endif
1731 } else if (strstart(p, "vnc", &opts)) {
1732 #ifdef CONFIG_VNC
1733 display_remote++;
1734
1735 if (*opts) {
1736 const char *nextopt;
1737
1738 if (strstart(opts, "=", &nextopt)) {
1739 vnc_display = nextopt;
1740 }
1741 }
1742 if (!vnc_display) {
1743 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1744 exit(1);
1745 }
1746 #else
1747 fprintf(stderr, "VNC support is disabled\n");
1748 exit(1);
1749 #endif
1750 } else if (strstart(p, "curses", &opts)) {
1751 #ifdef CONFIG_CURSES
1752 display = DT_CURSES;
1753 #else
1754 fprintf(stderr, "Curses support is disabled\n");
1755 exit(1);
1756 #endif
1757 } else if (strstart(p, "none", &opts)) {
1758 display = DT_NONE;
1759 } else {
1760 fprintf(stderr, "Unknown display type: %s\n", p);
1761 exit(1);
1762 }
1763
1764 return display;
1765 }
1766
1767 static int balloon_parse(const char *arg)
1768 {
1769 QemuOpts *opts;
1770
1771 if (strcmp(arg, "none") == 0) {
1772 return 0;
1773 }
1774
1775 if (!strncmp(arg, "virtio", 6)) {
1776 if (arg[6] == ',') {
1777 /* have params -> parse them */
1778 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1779 if (!opts)
1780 return -1;
1781 } else {
1782 /* create empty opts */
1783 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1784 }
1785 qemu_opt_set(opts, "driver", "virtio-balloon");
1786 return 0;
1787 }
1788
1789 return -1;
1790 }
1791
1792 char *qemu_find_file(int type, const char *name)
1793 {
1794 int len;
1795 const char *subdir;
1796 char *buf;
1797
1798 /* Try the name as a straight path first */
1799 if (access(name, R_OK) == 0) {
1800 return g_strdup(name);
1801 }
1802 switch (type) {
1803 case QEMU_FILE_TYPE_BIOS:
1804 subdir = "";
1805 break;
1806 case QEMU_FILE_TYPE_KEYMAP:
1807 subdir = "keymaps/";
1808 break;
1809 default:
1810 abort();
1811 }
1812 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1813 buf = g_malloc0(len);
1814 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1815 if (access(buf, R_OK)) {
1816 g_free(buf);
1817 return NULL;
1818 }
1819 return buf;
1820 }
1821
1822 static int device_help_func(QemuOpts *opts, void *opaque)
1823 {
1824 return qdev_device_help(opts);
1825 }
1826
1827 static int device_init_func(QemuOpts *opts, void *opaque)
1828 {
1829 DeviceState *dev;
1830
1831 dev = qdev_device_add(opts);
1832 if (!dev)
1833 return -1;
1834 return 0;
1835 }
1836
1837 static int chardev_init_func(QemuOpts *opts, void *opaque)
1838 {
1839 CharDriverState *chr;
1840
1841 chr = qemu_chr_new_from_opts(opts, NULL);
1842 if (!chr)
1843 return -1;
1844 return 0;
1845 }
1846
1847 #ifdef CONFIG_VIRTFS
1848 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1849 {
1850 int ret;
1851 ret = qemu_fsdev_add(opts);
1852
1853 return ret;
1854 }
1855 #endif
1856
1857 static int mon_init_func(QemuOpts *opts, void *opaque)
1858 {
1859 CharDriverState *chr;
1860 const char *chardev;
1861 const char *mode;
1862 int flags;
1863
1864 mode = qemu_opt_get(opts, "mode");
1865 if (mode == NULL) {
1866 mode = "readline";
1867 }
1868 if (strcmp(mode, "readline") == 0) {
1869 flags = MONITOR_USE_READLINE;
1870 } else if (strcmp(mode, "control") == 0) {
1871 flags = MONITOR_USE_CONTROL;
1872 } else {
1873 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1874 exit(1);
1875 }
1876
1877 if (qemu_opt_get_bool(opts, "pretty", 0))
1878 flags |= MONITOR_USE_PRETTY;
1879
1880 if (qemu_opt_get_bool(opts, "default", 0))
1881 flags |= MONITOR_IS_DEFAULT;
1882
1883 chardev = qemu_opt_get(opts, "chardev");
1884 chr = qemu_chr_find(chardev);
1885 if (chr == NULL) {
1886 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1887 exit(1);
1888 }
1889
1890 monitor_init(chr, flags);
1891 return 0;
1892 }
1893
1894 static void monitor_parse(const char *optarg, const char *mode)
1895 {
1896 static int monitor_device_index = 0;
1897 QemuOpts *opts;
1898 const char *p;
1899 char label[32];
1900 int def = 0;
1901
1902 if (strstart(optarg, "chardev:", &p)) {
1903 snprintf(label, sizeof(label), "%s", p);
1904 } else {
1905 snprintf(label, sizeof(label), "compat_monitor%d",
1906 monitor_device_index);
1907 if (monitor_device_index == 0) {
1908 def = 1;
1909 }
1910 opts = qemu_chr_parse_compat(label, optarg);
1911 if (!opts) {
1912 fprintf(stderr, "parse error: %s\n", optarg);
1913 exit(1);
1914 }
1915 }
1916
1917 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
1918 if (!opts) {
1919 fprintf(stderr, "duplicate chardev: %s\n", label);
1920 exit(1);
1921 }
1922 qemu_opt_set(opts, "mode", mode);
1923 qemu_opt_set(opts, "chardev", label);
1924 if (def)
1925 qemu_opt_set(opts, "default", "on");
1926 monitor_device_index++;
1927 }
1928
1929 struct device_config {
1930 enum {
1931 DEV_USB, /* -usbdevice */
1932 DEV_BT, /* -bt */
1933 DEV_SERIAL, /* -serial */
1934 DEV_PARALLEL, /* -parallel */
1935 DEV_VIRTCON, /* -virtioconsole */
1936 DEV_DEBUGCON, /* -debugcon */
1937 DEV_GDB, /* -gdb, -s */
1938 } type;
1939 const char *cmdline;
1940 Location loc;
1941 QTAILQ_ENTRY(device_config) next;
1942 };
1943 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1944
1945 static void add_device_config(int type, const char *cmdline)
1946 {
1947 struct device_config *conf;
1948
1949 conf = g_malloc0(sizeof(*conf));
1950 conf->type = type;
1951 conf->cmdline = cmdline;
1952 loc_save(&conf->loc);
1953 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1954 }
1955
1956 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1957 {
1958 struct device_config *conf;
1959 int rc;
1960
1961 QTAILQ_FOREACH(conf, &device_configs, next) {
1962 if (conf->type != type)
1963 continue;
1964 loc_push_restore(&conf->loc);
1965 rc = func(conf->cmdline);
1966 loc_pop(&conf->loc);
1967 if (0 != rc)
1968 return rc;
1969 }
1970 return 0;
1971 }
1972
1973 static int serial_parse(const char *devname)
1974 {
1975 static int index = 0;
1976 char label[32];
1977
1978 if (strcmp(devname, "none") == 0)
1979 return 0;
1980 if (index == MAX_SERIAL_PORTS) {
1981 fprintf(stderr, "qemu: too many serial ports\n");
1982 exit(1);
1983 }
1984 snprintf(label, sizeof(label), "serial%d", index);
1985 serial_hds[index] = qemu_chr_new(label, devname, NULL);
1986 if (!serial_hds[index]) {
1987 fprintf(stderr, "qemu: could not connect serial device"
1988 " to character backend '%s'\n", devname);
1989 return -1;
1990 }
1991 index++;
1992 return 0;
1993 }
1994
1995 static int parallel_parse(const char *devname)
1996 {
1997 static int index = 0;
1998 char label[32];
1999
2000 if (strcmp(devname, "none") == 0)
2001 return 0;
2002 if (index == MAX_PARALLEL_PORTS) {
2003 fprintf(stderr, "qemu: too many parallel ports\n");
2004 exit(1);
2005 }
2006 snprintf(label, sizeof(label), "parallel%d", index);
2007 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2008 if (!parallel_hds[index]) {
2009 fprintf(stderr, "qemu: could not connect parallel device"
2010 " to character backend '%s'\n", devname);
2011 return -1;
2012 }
2013 index++;
2014 return 0;
2015 }
2016
2017 static int virtcon_parse(const char *devname)
2018 {
2019 QemuOptsList *device = qemu_find_opts("device");
2020 static int index = 0;
2021 char label[32];
2022 QemuOpts *bus_opts, *dev_opts;
2023
2024 if (strcmp(devname, "none") == 0)
2025 return 0;
2026 if (index == MAX_VIRTIO_CONSOLES) {
2027 fprintf(stderr, "qemu: too many virtio consoles\n");
2028 exit(1);
2029 }
2030
2031 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2032 if (arch_type == QEMU_ARCH_S390X) {
2033 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2034 } else {
2035 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2036 }
2037
2038 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2039 qemu_opt_set(dev_opts, "driver", "virtconsole");
2040
2041 snprintf(label, sizeof(label), "virtcon%d", index);
2042 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2043 if (!virtcon_hds[index]) {
2044 fprintf(stderr, "qemu: could not connect virtio console"
2045 " to character backend '%s'\n", devname);
2046 return -1;
2047 }
2048 qemu_opt_set(dev_opts, "chardev", label);
2049
2050 index++;
2051 return 0;
2052 }
2053
2054 static int debugcon_parse(const char *devname)
2055 {
2056 QemuOpts *opts;
2057
2058 if (!qemu_chr_new("debugcon", devname, NULL)) {
2059 exit(1);
2060 }
2061 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2062 if (!opts) {
2063 fprintf(stderr, "qemu: already have a debugcon device\n");
2064 exit(1);
2065 }
2066 qemu_opt_set(opts, "driver", "isa-debugcon");
2067 qemu_opt_set(opts, "chardev", "debugcon");
2068 return 0;
2069 }
2070
2071 static QEMUMachine *machine_parse(const char *name)
2072 {
2073 QEMUMachine *m, *machine = NULL;
2074
2075 if (name) {
2076 machine = find_machine(name);
2077 }
2078 if (machine) {
2079 return machine;
2080 }
2081 printf("Supported machines are:\n");
2082 for (m = first_machine; m != NULL; m = m->next) {
2083 if (m->alias) {
2084 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2085 }
2086 printf("%-20s %s%s\n", m->name, m->desc,
2087 m->is_default ? " (default)" : "");
2088 }
2089 exit(!name || !is_help_option(name));
2090 }
2091
2092 static int tcg_init(void)
2093 {
2094 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2095 return 0;
2096 }
2097
2098 static struct {
2099 const char *opt_name;
2100 const char *name;
2101 int (*available)(void);
2102 int (*init)(void);
2103 int *allowed;
2104 } accel_list[] = {
2105 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2106 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2107 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2108 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2109 };
2110
2111 static int configure_accelerator(void)
2112 {
2113 const char *p = NULL;
2114 char buf[10];
2115 int i, ret;
2116 bool accel_initialised = 0;
2117 bool init_failed = 0;
2118
2119 QemuOptsList *list = qemu_find_opts("machine");
2120 if (!QTAILQ_EMPTY(&list->head)) {
2121 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2122 }
2123
2124 if (p == NULL) {
2125 /* Use the default "accelerator", tcg */
2126 p = "tcg";
2127 }
2128
2129 while (!accel_initialised && *p != '\0') {
2130 if (*p == ':') {
2131 p++;
2132 }
2133 p = get_opt_name(buf, sizeof (buf), p, ':');
2134 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2135 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2136 *(accel_list[i].allowed) = 1;
2137 ret = accel_list[i].init();
2138 if (ret < 0) {
2139 init_failed = 1;
2140 if (!accel_list[i].available()) {
2141 printf("%s not supported for this target\n",
2142 accel_list[i].name);
2143 } else {
2144 fprintf(stderr, "failed to initialize %s: %s\n",
2145 accel_list[i].name,
2146 strerror(-ret));
2147 }
2148 *(accel_list[i].allowed) = 0;
2149 } else {
2150 accel_initialised = 1;
2151 }
2152 break;
2153 }
2154 }
2155 if (i == ARRAY_SIZE(accel_list)) {
2156 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2157 }
2158 }
2159
2160 if (!accel_initialised) {
2161 fprintf(stderr, "No accelerator found!\n");
2162 exit(1);
2163 }
2164
2165 if (init_failed) {
2166 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2167 }
2168
2169 return !accel_initialised;
2170 }
2171
2172 void qemu_add_exit_notifier(Notifier *notify)
2173 {
2174 notifier_list_add(&exit_notifiers, notify);
2175 }
2176
2177 void qemu_remove_exit_notifier(Notifier *notify)
2178 {
2179 notifier_remove(notify);
2180 }
2181
2182 static void qemu_run_exit_notifiers(void)
2183 {
2184 notifier_list_notify(&exit_notifiers, NULL);
2185 }
2186
2187 void qemu_add_machine_init_done_notifier(Notifier *notify)
2188 {
2189 notifier_list_add(&machine_init_done_notifiers, notify);
2190 }
2191
2192 static void qemu_run_machine_init_done_notifiers(void)
2193 {
2194 notifier_list_notify(&machine_init_done_notifiers, NULL);
2195 }
2196
2197 static const QEMUOption *lookup_opt(int argc, char **argv,
2198 const char **poptarg, int *poptind)
2199 {
2200 const QEMUOption *popt;
2201 int optind = *poptind;
2202 char *r = argv[optind];
2203 const char *optarg;
2204
2205 loc_set_cmdline(argv, optind, 1);
2206 optind++;
2207 /* Treat --foo the same as -foo. */
2208 if (r[1] == '-')
2209 r++;
2210 popt = qemu_options;
2211 for(;;) {
2212 if (!popt->name) {
2213 error_report("invalid option");
2214 exit(1);
2215 }
2216 if (!strcmp(popt->name, r + 1))
2217 break;
2218 popt++;
2219 }
2220 if (popt->flags & HAS_ARG) {
2221 if (optind >= argc) {
2222 error_report("requires an argument");
2223 exit(1);
2224 }
2225 optarg = argv[optind++];
2226 loc_set_cmdline(argv, optind - 2, 2);
2227 } else {
2228 optarg = NULL;
2229 }
2230
2231 *poptarg = optarg;
2232 *poptind = optind;
2233
2234 return popt;
2235 }
2236
2237 static gpointer malloc_and_trace(gsize n_bytes)
2238 {
2239 void *ptr = malloc(n_bytes);
2240 trace_g_malloc(n_bytes, ptr);
2241 return ptr;
2242 }
2243
2244 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2245 {
2246 void *ptr = realloc(mem, n_bytes);
2247 trace_g_realloc(mem, n_bytes, ptr);
2248 return ptr;
2249 }
2250
2251 static void free_and_trace(gpointer mem)
2252 {
2253 trace_g_free(mem);
2254 free(mem);
2255 }
2256
2257 int qemu_init_main_loop(void)
2258 {
2259 return main_loop_init();
2260 }
2261
2262 int main(int argc, char **argv, char **envp)
2263 {
2264 int i;
2265 int snapshot, linux_boot;
2266 const char *icount_option = NULL;
2267 const char *initrd_filename;
2268 const char *kernel_filename, *kernel_cmdline;
2269 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2270 DisplayState *ds;
2271 DisplayChangeListener *dcl;
2272 int cyls, heads, secs, translation;
2273 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2274 QemuOptsList *olist;
2275 int optind;
2276 const char *optarg;
2277 const char *loadvm = NULL;
2278 QEMUMachine *machine;
2279 const char *cpu_model;
2280 const char *vga_model = "none";
2281 const char *pid_file = NULL;
2282 const char *incoming = NULL;
2283 #ifdef CONFIG_VNC
2284 int show_vnc_port = 0;
2285 #endif
2286 bool defconfig = true;
2287 bool userconfig = true;
2288 const char *log_mask = NULL;
2289 const char *log_file = NULL;
2290 GMemVTable mem_trace = {
2291 .malloc = malloc_and_trace,
2292 .realloc = realloc_and_trace,
2293 .free = free_and_trace,
2294 };
2295 const char *trace_events = NULL;
2296 const char *trace_file = NULL;
2297
2298 atexit(qemu_run_exit_notifiers);
2299 error_set_progname(argv[0]);
2300
2301 g_mem_set_vtable(&mem_trace);
2302 if (!g_thread_supported()) {
2303 #if !GLIB_CHECK_VERSION(2, 31, 0)
2304 g_thread_init(NULL);
2305 #else
2306 fprintf(stderr, "glib threading failed to initialize.\n");
2307 exit(1);
2308 #endif
2309 }
2310
2311 module_call_init(MODULE_INIT_QOM);
2312
2313 runstate_init();
2314
2315 init_clocks();
2316 rtc_clock = host_clock;
2317
2318 qemu_cache_utils_init(envp);
2319
2320 QLIST_INIT (&vm_change_state_head);
2321 os_setup_early_signal_handling();
2322
2323 module_call_init(MODULE_INIT_MACHINE);
2324 machine = find_default_machine();
2325 cpu_model = NULL;
2326 ram_size = 0;
2327 snapshot = 0;
2328 cyls = heads = secs = 0;
2329 translation = BIOS_ATA_TRANSLATION_AUTO;
2330
2331 for (i = 0; i < MAX_NODES; i++) {
2332 node_mem[i] = 0;
2333 node_cpumask[i] = 0;
2334 }
2335
2336 nb_numa_nodes = 0;
2337 nb_nics = 0;
2338
2339 autostart= 1;
2340
2341 /* first pass of option parsing */
2342 optind = 1;
2343 while (optind < argc) {
2344 if (argv[optind][0] != '-') {
2345 /* disk image */
2346 optind++;
2347 continue;
2348 } else {
2349 const QEMUOption *popt;
2350
2351 popt = lookup_opt(argc, argv, &optarg, &optind);
2352 switch (popt->index) {
2353 case QEMU_OPTION_nodefconfig:
2354 defconfig = false;
2355 break;
2356 case QEMU_OPTION_nouserconfig:
2357 userconfig = false;
2358 break;
2359 }
2360 }
2361 }
2362
2363 if (defconfig) {
2364 int ret;
2365 ret = qemu_read_default_config_files(userconfig);
2366 if (ret < 0) {
2367 exit(1);
2368 }
2369 }
2370
2371 /* second pass of option parsing */
2372 optind = 1;
2373 for(;;) {
2374 if (optind >= argc)
2375 break;
2376 if (argv[optind][0] != '-') {
2377 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2378 } else {
2379 const QEMUOption *popt;
2380
2381 popt = lookup_opt(argc, argv, &optarg, &optind);
2382 if (!(popt->arch_mask & arch_type)) {
2383 printf("Option %s not supported for this target\n", popt->name);
2384 exit(1);
2385 }
2386 switch(popt->index) {
2387 case QEMU_OPTION_M:
2388 machine = machine_parse(optarg);
2389 break;
2390 case QEMU_OPTION_cpu:
2391 /* hw initialization will check this */
2392 cpu_model = optarg;
2393 break;
2394 case QEMU_OPTION_hda:
2395 {
2396 char buf[256];
2397 if (cyls == 0)
2398 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2399 else
2400 snprintf(buf, sizeof(buf),
2401 "%s,cyls=%d,heads=%d,secs=%d%s",
2402 HD_OPTS , cyls, heads, secs,
2403 translation == BIOS_ATA_TRANSLATION_LBA ?
2404 ",trans=lba" :
2405 translation == BIOS_ATA_TRANSLATION_NONE ?
2406 ",trans=none" : "");
2407 drive_add(IF_DEFAULT, 0, optarg, buf);
2408 break;
2409 }
2410 case QEMU_OPTION_hdb:
2411 case QEMU_OPTION_hdc:
2412 case QEMU_OPTION_hdd:
2413 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2414 HD_OPTS);
2415 break;
2416 case QEMU_OPTION_drive:
2417 if (drive_def(optarg) == NULL) {
2418 exit(1);
2419 }
2420 break;
2421 case QEMU_OPTION_set:
2422 if (qemu_set_option(optarg) != 0)
2423 exit(1);
2424 break;
2425 case QEMU_OPTION_global:
2426 if (qemu_global_option(optarg) != 0)
2427 exit(1);
2428 break;
2429 case QEMU_OPTION_mtdblock:
2430 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2431 break;
2432 case QEMU_OPTION_sd:
2433 drive_add(IF_SD, 0, optarg, SD_OPTS);
2434 break;
2435 case QEMU_OPTION_pflash:
2436 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2437 break;
2438 case QEMU_OPTION_snapshot:
2439 snapshot = 1;
2440 break;
2441 case QEMU_OPTION_hdachs:
2442 {
2443 const char *p;
2444 p = optarg;
2445 cyls = strtol(p, (char **)&p, 0);
2446 if (cyls < 1 || cyls > 16383)
2447 goto chs_fail;
2448 if (*p != ',')
2449 goto chs_fail;
2450 p++;
2451 heads = strtol(p, (char **)&p, 0);
2452 if (heads < 1 || heads > 16)
2453 goto chs_fail;
2454 if (*p != ',')
2455 goto chs_fail;
2456 p++;
2457 secs = strtol(p, (char **)&p, 0);
2458 if (secs < 1 || secs > 63)
2459 goto chs_fail;
2460 if (*p == ',') {
2461 p++;
2462 if (!strcmp(p, "none"))
2463 translation = BIOS_ATA_TRANSLATION_NONE;
2464 else if (!strcmp(p, "lba"))
2465 translation = BIOS_ATA_TRANSLATION_LBA;
2466 else if (!strcmp(p, "auto"))
2467 translation = BIOS_ATA_TRANSLATION_AUTO;
2468 else
2469 goto chs_fail;
2470 } else if (*p != '\0') {
2471 chs_fail:
2472 fprintf(stderr, "qemu: invalid physical CHS format\n");
2473 exit(1);
2474 }
2475 if (hda_opts != NULL) {
2476 char num[16];
2477 snprintf(num, sizeof(num), "%d", cyls);
2478 qemu_opt_set(hda_opts, "cyls", num);
2479 snprintf(num, sizeof(num), "%d", heads);
2480 qemu_opt_set(hda_opts, "heads", num);
2481 snprintf(num, sizeof(num), "%d", secs);
2482 qemu_opt_set(hda_opts, "secs", num);
2483 if (translation == BIOS_ATA_TRANSLATION_LBA)
2484 qemu_opt_set(hda_opts, "trans", "lba");
2485 if (translation == BIOS_ATA_TRANSLATION_NONE)
2486 qemu_opt_set(hda_opts, "trans", "none");
2487 }
2488 }
2489 break;
2490 case QEMU_OPTION_numa:
2491 if (nb_numa_nodes >= MAX_NODES) {
2492 fprintf(stderr, "qemu: too many NUMA nodes\n");
2493 exit(1);
2494 }
2495 numa_add(optarg);
2496 break;
2497 case QEMU_OPTION_display:
2498 display_type = select_display(optarg);
2499 break;
2500 case QEMU_OPTION_nographic:
2501 display_type = DT_NOGRAPHIC;
2502 break;
2503 case QEMU_OPTION_curses:
2504 #ifdef CONFIG_CURSES
2505 display_type = DT_CURSES;
2506 #else
2507 fprintf(stderr, "Curses support is disabled\n");
2508 exit(1);
2509 #endif
2510 break;
2511 case QEMU_OPTION_portrait:
2512 graphic_rotate = 90;
2513 break;
2514 case QEMU_OPTION_rotate:
2515 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2516 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2517 graphic_rotate != 180 && graphic_rotate != 270) {
2518 fprintf(stderr,
2519 "qemu: only 90, 180, 270 deg rotation is available\n");
2520 exit(1);
2521 }
2522 break;
2523 case QEMU_OPTION_kernel:
2524 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2525 break;
2526 case QEMU_OPTION_initrd:
2527 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2528 break;
2529 case QEMU_OPTION_append:
2530 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2531 break;
2532 case QEMU_OPTION_dtb:
2533 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2534 break;
2535 case QEMU_OPTION_cdrom:
2536 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2537 break;
2538 case QEMU_OPTION_boot:
2539 {
2540 static const char * const params[] = {
2541 "order", "once", "menu",
2542 "splash", "splash-time", NULL
2543 };
2544 char buf[sizeof(boot_devices)];
2545 char *standard_boot_devices;
2546 int legacy = 0;
2547
2548 if (!strchr(optarg, '=')) {
2549 legacy = 1;
2550 pstrcpy(buf, sizeof(buf), optarg);
2551 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2552 fprintf(stderr,
2553 "qemu: unknown boot parameter '%s' in '%s'\n",
2554 buf, optarg);
2555 exit(1);
2556 }
2557
2558 if (legacy ||
2559 get_param_value(buf, sizeof(buf), "order", optarg)) {
2560 validate_bootdevices(buf);
2561 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2562 }
2563 if (!legacy) {
2564 if (get_param_value(buf, sizeof(buf),
2565 "once", optarg)) {
2566 validate_bootdevices(buf);
2567 standard_boot_devices = g_strdup(boot_devices);
2568 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2569 qemu_register_reset(restore_boot_devices,
2570 standard_boot_devices);
2571 }
2572 if (get_param_value(buf, sizeof(buf),
2573 "menu", optarg)) {
2574 if (!strcmp(buf, "on")) {
2575 boot_menu = 1;
2576 } else if (!strcmp(buf, "off")) {
2577 boot_menu = 0;
2578 } else {
2579 fprintf(stderr,
2580 "qemu: invalid option value '%s'\n",
2581 buf);
2582 exit(1);
2583 }
2584 }
2585 qemu_opts_parse(qemu_find_opts("boot-opts"),
2586 optarg, 0);
2587 }
2588 }
2589 break;
2590 case QEMU_OPTION_fda:
2591 case QEMU_OPTION_fdb:
2592 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2593 optarg, FD_OPTS);
2594 break;
2595 case QEMU_OPTION_no_fd_bootchk:
2596 fd_bootchk = 0;
2597 break;
2598 case QEMU_OPTION_netdev:
2599 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2600 exit(1);
2601 }
2602 break;
2603 case QEMU_OPTION_net:
2604 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2605 exit(1);
2606 }
2607 break;
2608 #ifdef CONFIG_LIBISCSI
2609 case QEMU_OPTION_iscsi:
2610 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2611 if (!opts) {
2612 exit(1);
2613 }
2614 break;
2615 #endif
2616 #ifdef CONFIG_SLIRP
2617 case QEMU_OPTION_tftp:
2618 legacy_tftp_prefix = optarg;
2619 break;
2620 case QEMU_OPTION_bootp:
2621 legacy_bootp_filename = optarg;
2622 break;
2623 case QEMU_OPTION_redir:
2624 if (net_slirp_redir(optarg) < 0)
2625 exit(1);
2626 break;
2627 #endif
2628 case QEMU_OPTION_bt:
2629 add_device_config(DEV_BT, optarg);
2630 break;
2631 case QEMU_OPTION_audio_help:
2632 if (!(audio_available())) {
2633 printf("Option %s not supported for this target\n", popt->name);
2634 exit(1);
2635 }
2636 AUD_help ();
2637 exit (0);
2638 break;
2639 case QEMU_OPTION_soundhw:
2640 if (!(audio_available())) {
2641 printf("Option %s not supported for this target\n", popt->name);
2642 exit(1);
2643 }
2644 select_soundhw (optarg);
2645 break;
2646 case QEMU_OPTION_h:
2647 help(0);
2648 break;
2649 case QEMU_OPTION_version:
2650 version();
2651 exit(0);
2652 break;
2653 case QEMU_OPTION_m: {
2654 int64_t value;
2655 char *end;
2656
2657 value = strtosz(optarg, &end);
2658 if (value < 0 || *end) {
2659 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2660 exit(1);
2661 }
2662
2663 if (value != (uint64_t)(ram_addr_t)value) {
2664 fprintf(stderr, "qemu: ram size too large\n");
2665 exit(1);
2666 }
2667 ram_size = value;
2668 break;
2669 }
2670 case QEMU_OPTION_mempath:
2671 mem_path = optarg;
2672 break;
2673 #ifdef MAP_POPULATE
2674 case QEMU_OPTION_mem_prealloc:
2675 mem_prealloc = 1;
2676 break;
2677 #endif
2678 case QEMU_OPTION_d:
2679 log_mask = optarg;
2680 break;
2681 case QEMU_OPTION_D:
2682 log_file = optarg;
2683 break;
2684 case QEMU_OPTION_s:
2685 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2686 break;
2687 case QEMU_OPTION_gdb:
2688 add_device_config(DEV_GDB, optarg);
2689 break;
2690 case QEMU_OPTION_L:
2691 data_dir = optarg;
2692 break;
2693 case QEMU_OPTION_bios:
2694 bios_name = optarg;
2695 break;
2696 case QEMU_OPTION_singlestep:
2697 singlestep = 1;
2698 break;
2699 case QEMU_OPTION_S:
2700 autostart = 0;
2701 break;
2702 case QEMU_OPTION_k:
2703 keyboard_layout = optarg;
2704 break;
2705 case QEMU_OPTION_localtime:
2706 rtc_utc = 0;
2707 break;
2708 case QEMU_OPTION_vga:
2709 vga_model = optarg;
2710 default_vga = 0;
2711 break;
2712 case QEMU_OPTION_g:
2713 {
2714 const char *p;
2715 int w, h, depth;
2716 p = optarg;
2717 w = strtol(p, (char **)&p, 10);
2718 if (w <= 0) {
2719 graphic_error:
2720 fprintf(stderr, "qemu: invalid resolution or depth\n");
2721 exit(1);
2722 }
2723 if (*p != 'x')
2724 goto graphic_error;
2725 p++;
2726 h = strtol(p, (char **)&p, 10);
2727 if (h <= 0)
2728 goto graphic_error;
2729 if (*p == 'x') {
2730 p++;
2731 depth = strtol(p, (char **)&p, 10);
2732 if (depth != 8 && depth != 15 && depth != 16 &&
2733 depth != 24 && depth != 32)
2734 goto graphic_error;
2735 } else if (*p == '\0') {
2736 depth = graphic_depth;
2737 } else {
2738 goto graphic_error;
2739 }
2740
2741 graphic_width = w;
2742 graphic_height = h;
2743 graphic_depth = depth;
2744 }
2745 break;
2746 case QEMU_OPTION_echr:
2747 {
2748 char *r;
2749 term_escape_char = strtol(optarg, &r, 0);
2750 if (r == optarg)
2751 printf("Bad argument to echr\n");
2752 break;
2753 }
2754 case QEMU_OPTION_monitor:
2755 monitor_parse(optarg, "readline");
2756 default_monitor = 0;
2757 break;
2758 case QEMU_OPTION_qmp:
2759 monitor_parse(optarg, "control");
2760 default_monitor = 0;
2761 break;
2762 case QEMU_OPTION_mon:
2763 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2764 if (!opts) {
2765 exit(1);
2766 }
2767 default_monitor = 0;
2768 break;
2769 case QEMU_OPTION_chardev:
2770 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2771 if (!opts) {
2772 exit(1);
2773 }
2774 break;
2775 case QEMU_OPTION_fsdev:
2776 olist = qemu_find_opts("fsdev");
2777 if (!olist) {
2778 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2779 exit(1);
2780 }
2781 opts = qemu_opts_parse(olist, optarg, 1);
2782 if (!opts) {
2783 fprintf(stderr, "parse error: %s\n", optarg);
2784 exit(1);
2785 }
2786 break;
2787 case QEMU_OPTION_virtfs: {
2788 QemuOpts *fsdev;
2789 QemuOpts *device;
2790 const char *writeout, *sock_fd, *socket;
2791
2792 olist = qemu_find_opts("virtfs");
2793 if (!olist) {
2794 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2795 exit(1);
2796 }
2797 opts = qemu_opts_parse(olist, optarg, 1);
2798 if (!opts) {
2799 fprintf(stderr, "parse error: %s\n", optarg);
2800 exit(1);
2801 }
2802
2803 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2804 qemu_opt_get(opts, "mount_tag") == NULL) {
2805 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2806 exit(1);
2807 }
2808 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2809 qemu_opt_get(opts, "mount_tag"),
2810 1, NULL);
2811 if (!fsdev) {
2812 fprintf(stderr, "duplicate fsdev id: %s\n",
2813 qemu_opt_get(opts, "mount_tag"));
2814 exit(1);
2815 }
2816
2817 writeout = qemu_opt_get(opts, "writeout");
2818 if (writeout) {
2819 #ifdef CONFIG_SYNC_FILE_RANGE
2820 qemu_opt_set(fsdev, "writeout", writeout);
2821 #else
2822 fprintf(stderr, "writeout=immediate not supported on "
2823 "this platform\n");
2824 exit(1);
2825 #endif
2826 }
2827 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2828 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2829 qemu_opt_set(fsdev, "security_model",
2830 qemu_opt_get(opts, "security_model"));
2831 socket = qemu_opt_get(opts, "socket");
2832 if (socket) {
2833 qemu_opt_set(fsdev, "socket", socket);
2834 }
2835 sock_fd = qemu_opt_get(opts, "sock_fd");
2836 if (sock_fd) {
2837 qemu_opt_set(fsdev, "sock_fd", sock_fd);
2838 }
2839
2840 qemu_opt_set_bool(fsdev, "readonly",
2841 qemu_opt_get_bool(opts, "readonly", 0));
2842 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2843 NULL);
2844 qemu_opt_set(device, "driver", "virtio-9p-pci");
2845 qemu_opt_set(device, "fsdev",
2846 qemu_opt_get(opts, "mount_tag"));
2847 qemu_opt_set(device, "mount_tag",
2848 qemu_opt_get(opts, "mount_tag"));
2849 break;
2850 }
2851 case QEMU_OPTION_virtfs_synth: {
2852 QemuOpts *fsdev;
2853 QemuOpts *device;
2854
2855 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2856 1, NULL);
2857 if (!fsdev) {
2858 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2859 exit(1);
2860 }
2861 qemu_opt_set(fsdev, "fsdriver", "synth");
2862
2863 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2864 NULL);
2865 qemu_opt_set(device, "driver", "virtio-9p-pci");
2866 qemu_opt_set(device, "fsdev", "v_synth");
2867 qemu_opt_set(device, "mount_tag", "v_synth");
2868 break;
2869 }
2870 case QEMU_OPTION_serial:
2871 add_device_config(DEV_SERIAL, optarg);
2872 default_serial = 0;
2873 if (strncmp(optarg, "mon:", 4) == 0) {
2874 default_monitor = 0;
2875 }
2876 break;
2877 case QEMU_OPTION_watchdog:
2878 if (watchdog) {
2879 fprintf(stderr,
2880 "qemu: only one watchdog option may be given\n");
2881 return 1;
2882 }
2883 watchdog = optarg;
2884 break;
2885 case QEMU_OPTION_watchdog_action:
2886 if (select_watchdog_action(optarg) == -1) {
2887 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2888 exit(1);
2889 }
2890 break;
2891 case QEMU_OPTION_virtiocon:
2892 add_device_config(DEV_VIRTCON, optarg);
2893 default_virtcon = 0;
2894 if (strncmp(optarg, "mon:", 4) == 0) {
2895 default_monitor = 0;
2896 }
2897 break;
2898 case QEMU_OPTION_parallel:
2899 add_device_config(DEV_PARALLEL, optarg);
2900 default_parallel = 0;
2901 if (strncmp(optarg, "mon:", 4) == 0) {
2902 default_monitor = 0;
2903 }
2904 break;
2905 case QEMU_OPTION_debugcon:
2906 add_device_config(DEV_DEBUGCON, optarg);
2907 break;
2908 case QEMU_OPTION_loadvm:
2909 loadvm = optarg;
2910 break;
2911 case QEMU_OPTION_full_screen:
2912 full_screen = 1;
2913 break;
2914 #ifdef CONFIG_SDL
2915 case QEMU_OPTION_no_frame:
2916 no_frame = 1;
2917 break;
2918 case QEMU_OPTION_alt_grab:
2919 alt_grab = 1;
2920 break;
2921 case QEMU_OPTION_ctrl_grab:
2922 ctrl_grab = 1;
2923 break;
2924 case QEMU_OPTION_no_quit:
2925 no_quit = 1;
2926 break;
2927 case QEMU_OPTION_sdl:
2928 display_type = DT_SDL;
2929 break;
2930 #else
2931 case QEMU_OPTION_no_frame:
2932 case QEMU_OPTION_alt_grab:
2933 case QEMU_OPTION_ctrl_grab:
2934 case QEMU_OPTION_no_quit:
2935 case QEMU_OPTION_sdl:
2936 fprintf(stderr, "SDL support is disabled\n");
2937 exit(1);
2938 #endif
2939 case QEMU_OPTION_pidfile:
2940 pid_file = optarg;
2941 break;
2942 case QEMU_OPTION_win2k_hack:
2943 win2k_install_hack = 1;
2944 break;
2945 case QEMU_OPTION_rtc_td_hack: {
2946 static GlobalProperty slew_lost_ticks[] = {
2947 {
2948 .driver = "mc146818rtc",
2949 .property = "lost_tick_policy",
2950 .value = "slew",
2951 },
2952 { /* end of list */ }
2953 };
2954
2955 qdev_prop_register_global_list(slew_lost_ticks);
2956 break;
2957 }
2958 case QEMU_OPTION_acpitable:
2959 do_acpitable_option(optarg);
2960 break;
2961 case QEMU_OPTION_smbios:
2962 do_smbios_option(optarg);
2963 break;
2964 case QEMU_OPTION_enable_kvm:
2965 olist = qemu_find_opts("machine");
2966 qemu_opts_parse(olist, "accel=kvm", 0);
2967 break;
2968 case QEMU_OPTION_machine:
2969 olist = qemu_find_opts("machine");
2970 opts = qemu_opts_parse(olist, optarg, 1);
2971 if (!opts) {
2972 fprintf(stderr, "parse error: %s\n", optarg);
2973 exit(1);
2974 }
2975 optarg = qemu_opt_get(opts, "type");
2976 if (optarg) {
2977 machine = machine_parse(optarg);
2978 }
2979 break;
2980 case QEMU_OPTION_usb:
2981 usb_enabled = 1;
2982 break;
2983 case QEMU_OPTION_usbdevice:
2984 usb_enabled = 1;
2985 add_device_config(DEV_USB, optarg);
2986 break;
2987 case QEMU_OPTION_device:
2988 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2989 exit(1);
2990 }
2991 break;
2992 case QEMU_OPTION_smp:
2993 smp_parse(optarg);
2994 if (smp_cpus < 1) {
2995 fprintf(stderr, "Invalid number of CPUs\n");
2996 exit(1);
2997 }
2998 if (max_cpus < smp_cpus) {
2999 fprintf(stderr, "maxcpus must be equal to or greater than "
3000 "smp\n");
3001 exit(1);
3002 }
3003 if (max_cpus > 255) {
3004 fprintf(stderr, "Unsupported number of maxcpus\n");
3005 exit(1);
3006 }
3007 break;
3008 case QEMU_OPTION_vnc:
3009 #ifdef CONFIG_VNC
3010 display_remote++;
3011 vnc_display = optarg;
3012 #else
3013 fprintf(stderr, "VNC support is disabled\n");
3014 exit(1);
3015 #endif
3016 break;
3017 case QEMU_OPTION_no_acpi:
3018 acpi_enabled = 0;
3019 break;
3020 case QEMU_OPTION_no_hpet:
3021 no_hpet = 1;
3022 break;
3023 case QEMU_OPTION_balloon:
3024 if (balloon_parse(optarg) < 0) {
3025 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3026 exit(1);
3027 }
3028 break;
3029 case QEMU_OPTION_no_reboot:
3030 no_reboot = 1;
3031 break;
3032 case QEMU_OPTION_no_shutdown:
3033 no_shutdown = 1;
3034 break;
3035 case QEMU_OPTION_show_cursor:
3036 cursor_hide = 0;
3037 break;
3038 case QEMU_OPTION_uuid:
3039 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3040 fprintf(stderr, "Fail to parse UUID string."
3041 " Wrong format.\n");
3042 exit(1);
3043 }
3044 break;
3045 case QEMU_OPTION_option_rom:
3046 if (nb_option_roms >= MAX_OPTION_ROMS) {
3047 fprintf(stderr, "Too many option ROMs\n");
3048 exit(1);
3049 }
3050 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3051 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3052 option_rom[nb_option_roms].bootindex =
3053 qemu_opt_get_number(opts, "bootindex", -1);
3054 if (!option_rom[nb_option_roms].name) {
3055 fprintf(stderr, "Option ROM file is not specified\n");
3056 exit(1);
3057 }
3058 nb_option_roms++;
3059 break;
3060 case QEMU_OPTION_semihosting:
3061 semihosting_enabled = 1;
3062 break;
3063 case QEMU_OPTION_name:
3064 qemu_name = g_strdup(optarg);
3065 {
3066 char *p = strchr(qemu_name, ',');
3067 if (p != NULL) {
3068 *p++ = 0;
3069 if (strncmp(p, "process=", 8)) {
3070 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3071 exit(1);
3072 }
3073 p += 8;
3074 os_set_proc_name(p);
3075 }
3076 }
3077 break;
3078 case QEMU_OPTION_prom_env:
3079 if (nb_prom_envs >= MAX_PROM_ENVS) {
3080 fprintf(stderr, "Too many prom variables\n");
3081 exit(1);
3082 }
3083 prom_envs[nb_prom_envs] = optarg;
3084 nb_prom_envs++;
3085 break;
3086 case QEMU_OPTION_old_param:
3087 old_param = 1;
3088 break;
3089 case QEMU_OPTION_clock:
3090 configure_alarms(optarg);
3091 break;
3092 case QEMU_OPTION_startdate:
3093 configure_rtc_date_offset(optarg, 1);
3094 break;
3095 case QEMU_OPTION_rtc:
3096 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3097 if (!opts) {
3098 exit(1);
3099 }
3100 configure_rtc(opts);
3101 break;
3102 case QEMU_OPTION_tb_size:
3103 tcg_tb_size = strtol(optarg, NULL, 0);
3104 if (tcg_tb_size < 0) {
3105 tcg_tb_size = 0;
3106 }
3107 break;
3108 case QEMU_OPTION_icount:
3109 icount_option = optarg;
3110 break;
3111 case QEMU_OPTION_incoming:
3112 incoming = optarg;
3113 runstate_set(RUN_STATE_INMIGRATE);
3114 break;
3115 case QEMU_OPTION_nodefaults:
3116 default_serial = 0;
3117 default_parallel = 0;
3118 default_virtcon = 0;
3119 default_monitor = 0;
3120 default_net = 0;
3121 default_floppy = 0;
3122 default_cdrom = 0;
3123 default_sdcard = 0;
3124 default_vga = 0;
3125 break;
3126 case QEMU_OPTION_xen_domid:
3127 if (!(xen_available())) {
3128 printf("Option %s not supported for this target\n", popt->name);
3129 exit(1);
3130 }
3131 xen_domid = atoi(optarg);
3132 break;
3133 case QEMU_OPTION_xen_create:
3134 if (!(xen_available())) {
3135 printf("Option %s not supported for this target\n", popt->name);
3136 exit(1);
3137 }
3138 xen_mode = XEN_CREATE;
3139 break;
3140 case QEMU_OPTION_xen_attach:
3141 if (!(xen_available())) {
3142 printf("Option %s not supported for this target\n", popt->name);
3143 exit(1);
3144 }
3145 xen_mode = XEN_ATTACH;
3146 break;
3147 case QEMU_OPTION_trace:
3148 {
3149 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3150 if (!opts) {
3151 exit(1);
3152 }
3153 trace_events = qemu_opt_get(opts, "events");
3154 trace_file = qemu_opt_get(opts, "file");
3155 break;
3156 }
3157 case QEMU_OPTION_readconfig:
3158 {
3159 int ret = qemu_read_config_file(optarg);
3160 if (ret < 0) {
3161 fprintf(stderr, "read config %s: %s\n", optarg,
3162 strerror(-ret));
3163 exit(1);
3164 }
3165 break;
3166 }
3167 case QEMU_OPTION_spice:
3168 olist = qemu_find_opts("spice");
3169 if (!olist) {
3170 fprintf(stderr, "spice is not supported by this qemu build.\n");
3171 exit(1);
3172 }
3173 opts = qemu_opts_parse(olist, optarg, 0);
3174 if (!opts) {
3175 fprintf(stderr, "parse error: %s\n", optarg);
3176 exit(1);
3177 }
3178 break;
3179 case QEMU_OPTION_writeconfig:
3180 {
3181 FILE *fp;
3182 if (strcmp(optarg, "-") == 0) {
3183 fp = stdout;
3184 } else {
3185 fp = fopen(optarg, "w");
3186 if (fp == NULL) {
3187 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3188 exit(1);
3189 }
3190 }
3191 qemu_config_write(fp);
3192 fclose(fp);
3193 break;
3194 }
3195 case QEMU_OPTION_qtest:
3196 qtest_chrdev = optarg;
3197 break;
3198 case QEMU_OPTION_qtest_log:
3199 qtest_log = optarg;
3200 break;
3201 default:
3202 os_parse_cmd_args(popt->index, optarg);
3203 }
3204 }
3205 }
3206 loc_set_none();
3207
3208 if (machine->hw_version) {
3209 qemu_set_version(machine->hw_version);
3210 }
3211
3212 /* Init CPU def lists, based on config
3213 * - Must be called after all the qemu_read_config_file() calls
3214 * - Must be called before list_cpus()
3215 * - Must be called before machine->init()
3216 */
3217 cpudef_init();
3218
3219 if (cpu_model && is_help_option(cpu_model)) {
3220 list_cpus(stdout, &fprintf, cpu_model);
3221 exit(0);
3222 }
3223
3224 /* Open the logfile at this point, if necessary. We can't open the logfile
3225 * when encountering either of the logging options (-d or -D) because the
3226 * other one may be encountered later on the command line, changing the
3227 * location or level of logging.
3228 */
3229 if (log_mask) {
3230 if (log_file) {
3231 set_cpu_log_filename(log_file);
3232 }
3233 set_cpu_log(log_mask);
3234 }
3235
3236 if (!trace_backend_init(trace_events, trace_file)) {
3237 exit(1);
3238 }
3239
3240 /* If no data_dir is specified then try to find it relative to the
3241 executable path. */
3242 if (!data_dir) {
3243 data_dir = os_find_datadir(argv[0]);
3244 }
3245 /* If all else fails use the install path specified when building. */
3246 if (!data_dir) {
3247 data_dir = CONFIG_QEMU_DATADIR;
3248 }
3249
3250 if (machine == NULL) {
3251 fprintf(stderr, "No machine found.\n");
3252 exit(1);
3253 }
3254
3255 /*
3256 * Default to max_cpus = smp_cpus, in case the user doesn't
3257 * specify a max_cpus value.
3258 */
3259 if (!max_cpus)
3260 max_cpus = smp_cpus;
3261
3262 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3263 if (smp_cpus > machine->max_cpus) {
3264 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3265 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3266 machine->max_cpus);
3267 exit(1);
3268 }
3269
3270 /*
3271 * Get the default machine options from the machine if it is not already
3272 * specified either by the configuration file or by the command line.
3273 */
3274 if (machine->default_machine_opts) {
3275 qemu_opts_set_defaults(qemu_find_opts("machine"),
3276 machine->default_machine_opts, 0);
3277 }
3278
3279 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3280 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3281
3282 if (machine->no_serial) {
3283 default_serial = 0;
3284 }
3285 if (machine->no_parallel) {
3286 default_parallel = 0;
3287 }
3288 if (!machine->use_virtcon) {
3289 default_virtcon = 0;
3290 }
3291 if (machine->no_floppy) {
3292 default_floppy = 0;
3293 }
3294 if (machine->no_cdrom) {
3295 default_cdrom = 0;
3296 }
3297 if (machine->no_sdcard) {
3298 default_sdcard = 0;
3299 }
3300
3301 if (display_type == DT_NOGRAPHIC) {
3302 if (default_parallel)
3303 add_device_config(DEV_PARALLEL, "null");
3304 if (default_serial && default_monitor) {
3305 add_device_config(DEV_SERIAL, "mon:stdio");
3306 } else if (default_virtcon && default_monitor) {
3307 add_device_config(DEV_VIRTCON, "mon:stdio");
3308 } else {
3309 if (default_serial)
3310 add_device_config(DEV_SERIAL, "stdio");
3311 if (default_virtcon)
3312 add_device_config(DEV_VIRTCON, "stdio");
3313 if (default_monitor)
3314 monitor_parse("stdio", "readline");
3315 }
3316 } else {
3317 if (default_serial)
3318 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3319 if (default_parallel)
3320 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3321 if (default_monitor)
3322 monitor_parse("vc:80Cx24C", "readline");
3323 if (default_virtcon)
3324 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3325 }
3326
3327 socket_init();
3328
3329 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3330 exit(1);
3331 #ifdef CONFIG_VIRTFS
3332 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3333 exit(1);
3334 }
3335 #endif
3336
3337 os_daemonize();
3338
3339 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3340 os_pidfile_error();
3341 exit(1);
3342 }
3343
3344 /* init the memory */
3345 if (ram_size == 0) {
3346 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3347 }
3348
3349 configure_accelerator();
3350
3351 qemu_init_cpu_loop();
3352 if (qemu_init_main_loop()) {
3353 fprintf(stderr, "qemu_init_main_loop failed\n");
3354 exit(1);
3355 }
3356
3357 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3358 if (machine_opts) {
3359 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3360 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3361 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3362 } else {
3363 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3364 }
3365
3366 if (!kernel_cmdline) {
3367 kernel_cmdline = "";
3368 }
3369
3370 linux_boot = (kernel_filename != NULL);
3371
3372 if (!linux_boot && *kernel_cmdline != '\0') {
3373 fprintf(stderr, "-append only allowed with -kernel option\n");
3374 exit(1);
3375 }
3376
3377 if (!linux_boot && initrd_filename != NULL) {
3378 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3379 exit(1);
3380 }
3381
3382 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3383 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3384 exit(1);
3385 }
3386
3387 os_set_line_buffering();
3388
3389 if (init_timer_alarm() < 0) {
3390 fprintf(stderr, "could not initialize alarm timer\n");
3391 exit(1);
3392 }
3393
3394 #ifdef CONFIG_SPICE
3395 /* spice needs the timers to be initialized by this point */
3396 qemu_spice_init();
3397 #endif
3398
3399 if (icount_option && (kvm_enabled() || xen_enabled())) {
3400 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3401 exit(1);
3402 }
3403 configure_icount(icount_option);
3404
3405 if (net_init_clients() < 0) {
3406 exit(1);
3407 }
3408
3409 /* init the bluetooth world */
3410 if (foreach_device_config(DEV_BT, bt_parse))
3411 exit(1);
3412
3413 if (!xen_enabled()) {
3414 /* On 32-bit hosts, QEMU is limited by virtual address space */
3415 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3416 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3417 exit(1);
3418 }
3419 }
3420
3421 cpu_exec_init_all();
3422
3423 bdrv_init_with_whitelist();
3424
3425 blk_mig_init();
3426
3427 /* open the virtual block devices */
3428 if (snapshot)
3429 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3430 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3431 exit(1);
3432
3433 default_drive(default_cdrom, snapshot, machine->use_scsi,
3434 IF_DEFAULT, 2, CDROM_OPTS);
3435 default_drive(default_floppy, snapshot, machine->use_scsi,
3436 IF_FLOPPY, 0, FD_OPTS);
3437 default_drive(default_sdcard, snapshot, machine->use_scsi,
3438 IF_SD, 0, SD_OPTS);
3439
3440 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3441
3442 if (nb_numa_nodes > 0) {
3443 int i;
3444
3445 if (nb_numa_nodes > MAX_NODES) {
3446 nb_numa_nodes = MAX_NODES;
3447 }
3448
3449 /* If no memory size if given for any node, assume the default case
3450 * and distribute the available memory equally across all nodes
3451 */
3452 for (i = 0; i < nb_numa_nodes; i++) {
3453 if (node_mem[i] != 0)
3454 break;
3455 }
3456 if (i == nb_numa_nodes) {
3457 uint64_t usedmem = 0;
3458
3459 /* On Linux, the each node's border has to be 8MB aligned,
3460 * the final node gets the rest.
3461 */
3462 for (i = 0; i < nb_numa_nodes - 1; i++) {
3463 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3464 usedmem += node_mem[i];
3465 }
3466 node_mem[i] = ram_size - usedmem;
3467 }
3468
3469 for (i = 0; i < nb_numa_nodes; i++) {
3470 if (node_cpumask[i] != 0)
3471 break;
3472 }
3473 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3474 * must cope with this anyway, because there are BIOSes out there in
3475 * real machines which also use this scheme.
3476 */
3477 if (i == nb_numa_nodes) {
3478 for (i = 0; i < max_cpus; i++) {
3479 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3480 }
3481 }
3482 }
3483
3484 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3485 exit(1);
3486 }
3487
3488 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3489 exit(1);
3490 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3491 exit(1);
3492 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3493 exit(1);
3494 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3495 exit(1);
3496
3497 /* If no default VGA is requested, the default is "none". */
3498 if (default_vga && cirrus_vga_available()) {
3499 vga_model = "cirrus";
3500 }
3501 select_vgahw(vga_model);
3502
3503 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3504 exit(0);
3505
3506 if (watchdog) {
3507 i = select_watchdog(watchdog);
3508 if (i > 0)
3509 exit (i == 1 ? 1 : 0);
3510 }
3511
3512 if (machine->compat_props) {
3513 qdev_prop_register_global_list(machine->compat_props);
3514 }
3515 qemu_add_globals();
3516
3517 qdev_machine_init();
3518
3519 machine->init(ram_size, boot_devices,
3520 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3521
3522 cpu_synchronize_all_post_init();
3523
3524 set_numa_modes();
3525
3526 current_machine = machine;
3527
3528 /* init USB devices */
3529 if (usb_enabled) {
3530 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3531 exit(1);
3532 }
3533
3534 /* init generic devices */
3535 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3536 exit(1);
3537
3538 net_check_clients();
3539
3540 /* just use the first displaystate for the moment */
3541 ds = get_displaystate();
3542
3543 if (using_spice)
3544 display_remote++;
3545 if (display_type == DT_DEFAULT && !display_remote) {
3546 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3547 display_type = DT_SDL;
3548 #elif defined(CONFIG_VNC)
3549 vnc_display = "localhost:0,to=99";
3550 show_vnc_port = 1;
3551 #else
3552 display_type = DT_NONE;
3553 #endif
3554 }
3555
3556
3557 /* init local displays */
3558 switch (display_type) {
3559 case DT_NOGRAPHIC:
3560 break;
3561 #if defined(CONFIG_CURSES)
3562 case DT_CURSES:
3563 curses_display_init(ds, full_screen);
3564 break;
3565 #endif
3566 #if defined(CONFIG_SDL)
3567 case DT_SDL:
3568 sdl_display_init(ds, full_screen, no_frame);
3569 break;
3570 #elif defined(CONFIG_COCOA)
3571 case DT_SDL:
3572 cocoa_display_init(ds, full_screen);
3573 break;
3574 #endif
3575 default:
3576 break;
3577 }
3578
3579 /* must be after terminal init, SDL library changes signal handlers */
3580 os_setup_signal_handling();
3581
3582 #ifdef CONFIG_VNC
3583 /* init remote displays */
3584 if (vnc_display) {
3585 vnc_display_init(ds);
3586 if (vnc_display_open(ds, vnc_display) < 0) {
3587 fprintf(stderr, "Failed to start VNC server on `%s'\n",
3588 vnc_display);
3589 exit(1);
3590 }
3591
3592 if (show_vnc_port) {
3593 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3594 }
3595 }
3596 #endif
3597 #ifdef CONFIG_SPICE
3598 if (using_spice && !qxl_enabled) {
3599 qemu_spice_display_init(ds);
3600 }
3601 #endif
3602
3603 /* display setup */
3604 dpy_resize(ds);
3605 dcl = ds->listeners;
3606 while (dcl != NULL) {
3607 if (dcl->dpy_refresh != NULL) {
3608 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3609 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3610 break;
3611 }
3612 dcl = dcl->next;
3613 }
3614 text_consoles_set_display(ds);
3615
3616 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3617 exit(1);
3618 }
3619
3620 qdev_machine_creation_done();
3621
3622 if (rom_load_all() != 0) {
3623 fprintf(stderr, "rom loading failed\n");
3624 exit(1);
3625 }
3626
3627 /* TODO: once all bus devices are qdevified, this should be done
3628 * when bus is created by qdev.c */
3629 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3630 qemu_run_machine_init_done_notifiers();
3631
3632 qemu_system_reset(VMRESET_SILENT);
3633 if (loadvm) {
3634 if (load_vmstate(loadvm) < 0) {
3635 autostart = 0;
3636 }
3637 }
3638
3639 if (incoming) {
3640 Error *errp = NULL;
3641 int ret = qemu_start_incoming_migration(incoming, &errp);
3642 if (ret < 0) {
3643 if (error_is_set(&errp)) {
3644 fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3645 error_free(errp);
3646 }
3647 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3648 incoming, ret);
3649 exit(ret);
3650 }
3651 } else if (autostart) {
3652 vm_start();
3653 }
3654
3655 os_setup_post();
3656
3657 resume_all_vcpus();
3658 main_loop();
3659 bdrv_close_all();
3660 pause_all_vcpus();
3661 net_cleanup();
3662 res_free();
3663
3664 return 0;
3665 }
QEmu