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tcg/ppc: Do not overwrite lower address word on Darwin and AIX
[qemu.git] / vl.c
blob5e0080b98faec0de09b069ce4d972d00bf289da1
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 <libutil.h>
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <pty.h>
62 #include <malloc.h>
63
64 #include <linux/ppdev.h>
65 #include <linux/parport.h>
66 #endif
67 #ifdef __sun__
68 #include <sys/stat.h>
69 #include <sys/ethernet.h>
70 #include <sys/sockio.h>
71 #include <netinet/arp.h>
72 #include <netinet/in_systm.h>
73 #include <netinet/ip.h>
74 #include <netinet/ip_icmp.h> // must come after ip.h
75 #include <netinet/udp.h>
76 #include <netinet/tcp.h>
77 #include <net/if.h>
78 #include <syslog.h>
79 #include <stropts.h>
80 #endif
81 #endif
82 #endif
83
84 #if defined(__OpenBSD__)
85 #include <util.h>
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include <glib.h>
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/pc.h"
121 #include "hw/isa.h"
122 #include "hw/baum.h"
123 #include "hw/bt.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
126 #include "hw/xen.h"
127 #include "hw/qdev.h"
128 #include "hw/loader.h"
129 #include "bt-host.h"
130 #include "net.h"
131 #include "net/slirp.h"
132 #include "monitor.h"
133 #include "console.h"
134 #include "sysemu.h"
135 #include "gdbstub.h"
136 #include "qemu-timer.h"
137 #include "qemu-char.h"
138 #include "cache-utils.h"
139 #include "block.h"
140 #include "blockdev.h"
141 #include "block-migration.h"
142 #include "dma.h"
143 #include "audio/audio.h"
144 #include "migration.h"
145 #include "kvm.h"
146 #include "qjson.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "main-loop.h"
152 #ifdef CONFIG_VIRTFS
153 #include "fsdev/qemu-fsdev.h"
154 #endif
155 #include "qtest.h"
156
157 #include "disas.h"
158
159 #include "qemu_socket.h"
160
161 #include "slirp/libslirp.h"
162
163 #include "trace.h"
164 #include "trace/control.h"
165 #include "qemu-queue.h"
166 #include "cpus.h"
167 #include "arch_init.h"
168
169 #include "ui/qemu-spice.h"
170
171 //#define DEBUG_NET
172 //#define DEBUG_SLIRP
173
174 #define DEFAULT_RAM_SIZE 128
175
176 #define MAX_VIRTIO_CONSOLES 1
177
178 static const char *data_dir;
179 const char *bios_name = NULL;
180 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
181 DisplayType display_type = DT_DEFAULT;
182 int display_remote = 0;
183 const char* keyboard_layout = NULL;
184 ram_addr_t ram_size;
185 const char *mem_path = NULL;
186 #ifdef MAP_POPULATE
187 int mem_prealloc = 0; /* force preallocation of physical target memory */
188 #endif
189 int nb_nics;
190 NICInfo nd_table[MAX_NICS];
191 int autostart;
192 static int rtc_utc = 1;
193 static int rtc_date_offset = -1; /* -1 means no change */
194 QEMUClock *rtc_clock;
195 int vga_interface_type = VGA_NONE;
196 static int full_screen = 0;
197 #ifdef CONFIG_SDL
198 static int no_frame = 0;
199 #endif
200 int no_quit = 0;
201 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
202 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
203 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
204 int win2k_install_hack = 0;
205 int usb_enabled = 0;
206 int singlestep = 0;
207 int smp_cpus = 1;
208 int max_cpus = 0;
209 int smp_cores = 1;
210 int smp_threads = 1;
211 #ifdef CONFIG_VNC
212 const char *vnc_display;
213 #endif
214 int acpi_enabled = 1;
215 int no_hpet = 0;
216 int fd_bootchk = 1;
217 int no_reboot = 0;
218 int no_shutdown = 0;
219 int cursor_hide = 1;
220 int graphic_rotate = 0;
221 const char *watchdog;
222 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
223 int nb_option_roms;
224 int semihosting_enabled = 0;
225 int old_param = 0;
226 const char *qemu_name;
227 int alt_grab = 0;
228 int ctrl_grab = 0;
229 unsigned int nb_prom_envs = 0;
230 const char *prom_envs[MAX_PROM_ENVS];
231 int boot_menu;
232 uint8_t *boot_splash_filedata;
233 int boot_splash_filedata_size;
234 uint8_t qemu_extra_params_fw[2];
235
236 typedef struct FWBootEntry FWBootEntry;
237
238 struct FWBootEntry {
239 QTAILQ_ENTRY(FWBootEntry) link;
240 int32_t bootindex;
241 DeviceState *dev;
242 char *suffix;
243 };
244
245 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
246
247 int nb_numa_nodes;
248 uint64_t node_mem[MAX_NODES];
249 uint64_t node_cpumask[MAX_NODES];
250
251 uint8_t qemu_uuid[16];
252
253 static QEMUBootSetHandler *boot_set_handler;
254 static void *boot_set_opaque;
255
256 static NotifierList exit_notifiers =
257 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
258
259 static NotifierList machine_init_done_notifiers =
260 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
261
262 static int tcg_allowed = 1;
263 int kvm_allowed = 0;
264 int xen_allowed = 0;
265 uint32_t xen_domid;
266 enum xen_mode xen_mode = XEN_EMULATE;
267 static int tcg_tb_size;
268
269 static int default_serial = 1;
270 static int default_parallel = 1;
271 static int default_virtcon = 1;
272 static int default_monitor = 1;
273 static int default_floppy = 1;
274 static int default_cdrom = 1;
275 static int default_sdcard = 1;
276
277 static struct {
278 const char *driver;
279 int *flag;
280 } default_list[] = {
281 { .driver = "isa-serial", .flag = &default_serial },
282 { .driver = "isa-parallel", .flag = &default_parallel },
283 { .driver = "isa-fdc", .flag = &default_floppy },
284 { .driver = "ide-cd", .flag = &default_cdrom },
285 { .driver = "ide-hd", .flag = &default_cdrom },
286 { .driver = "ide-drive", .flag = &default_cdrom },
287 { .driver = "scsi-cd", .flag = &default_cdrom },
288 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
289 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
290 { .driver = "virtio-serial", .flag = &default_virtcon },
291 };
292
293 static void res_free(void)
294 {
295 if (boot_splash_filedata != NULL) {
296 g_free(boot_splash_filedata);
297 boot_splash_filedata = NULL;
298 }
299 }
300
301 static int default_driver_check(QemuOpts *opts, void *opaque)
302 {
303 const char *driver = qemu_opt_get(opts, "driver");
304 int i;
305
306 if (!driver)
307 return 0;
308 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
309 if (strcmp(default_list[i].driver, driver) != 0)
310 continue;
311 *(default_list[i].flag) = 0;
312 }
313 return 0;
314 }
315
316 /***********************************************************/
317 /* QEMU state */
318
319 static RunState current_run_state = RUN_STATE_PRELAUNCH;
320
321 typedef struct {
322 RunState from;
323 RunState to;
324 } RunStateTransition;
325
326 static const RunStateTransition runstate_transitions_def[] = {
327 /* from -> to */
328 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
329
330 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
331 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
332
333 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
334 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
335
336 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
337 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
338
339 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
340 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
341
342 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
343 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
344
345 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
346 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
347 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
348
349 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
350 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
351
352 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
353
354 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
355 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
356 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
357 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
358 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
359 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
360 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
361 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
362 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
363
364 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
365
366 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
367 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
368
369 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
370 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
371 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
372 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
373
374 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
375 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
376
377 { RUN_STATE_MAX, RUN_STATE_MAX },
378 };
379
380 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
381
382 bool runstate_check(RunState state)
383 {
384 return current_run_state == state;
385 }
386
387 void runstate_init(void)
388 {
389 const RunStateTransition *p;
390
391 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
392
393 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
394 runstate_valid_transitions[p->from][p->to] = true;
395 }
396 }
397
398 /* This function will abort() on invalid state transitions */
399 void runstate_set(RunState new_state)
400 {
401 assert(new_state < RUN_STATE_MAX);
402
403 if (!runstate_valid_transitions[current_run_state][new_state]) {
404 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
405 RunState_lookup[current_run_state],
406 RunState_lookup[new_state]);
407 abort();
408 }
409
410 current_run_state = new_state;
411 }
412
413 int runstate_is_running(void)
414 {
415 return runstate_check(RUN_STATE_RUNNING);
416 }
417
418 StatusInfo *qmp_query_status(Error **errp)
419 {
420 StatusInfo *info = g_malloc0(sizeof(*info));
421
422 info->running = runstate_is_running();
423 info->singlestep = singlestep;
424 info->status = current_run_state;
425
426 return info;
427 }
428
429 /***********************************************************/
430 /* real time host monotonic timer */
431
432 /***********************************************************/
433 /* host time/date access */
434 void qemu_get_timedate(struct tm *tm, int offset)
435 {
436 time_t ti;
437 struct tm *ret;
438
439 time(&ti);
440 ti += offset;
441 if (rtc_date_offset == -1) {
442 if (rtc_utc)
443 ret = gmtime(&ti);
444 else
445 ret = localtime(&ti);
446 } else {
447 ti -= rtc_date_offset;
448 ret = gmtime(&ti);
449 }
450
451 memcpy(tm, ret, sizeof(struct tm));
452 }
453
454 int qemu_timedate_diff(struct tm *tm)
455 {
456 time_t seconds;
457
458 if (rtc_date_offset == -1)
459 if (rtc_utc)
460 seconds = mktimegm(tm);
461 else {
462 struct tm tmp = *tm;
463 tmp.tm_isdst = -1; /* use timezone to figure it out */
464 seconds = mktime(&tmp);
465 }
466 else
467 seconds = mktimegm(tm) + rtc_date_offset;
468
469 return seconds - time(NULL);
470 }
471
472 void rtc_change_mon_event(struct tm *tm)
473 {
474 QObject *data;
475
476 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
477 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
478 qobject_decref(data);
479 }
480
481 static void configure_rtc_date_offset(const char *startdate, int legacy)
482 {
483 time_t rtc_start_date;
484 struct tm tm;
485
486 if (!strcmp(startdate, "now") && legacy) {
487 rtc_date_offset = -1;
488 } else {
489 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
490 &tm.tm_year,
491 &tm.tm_mon,
492 &tm.tm_mday,
493 &tm.tm_hour,
494 &tm.tm_min,
495 &tm.tm_sec) == 6) {
496 /* OK */
497 } else if (sscanf(startdate, "%d-%d-%d",
498 &tm.tm_year,
499 &tm.tm_mon,
500 &tm.tm_mday) == 3) {
501 tm.tm_hour = 0;
502 tm.tm_min = 0;
503 tm.tm_sec = 0;
504 } else {
505 goto date_fail;
506 }
507 tm.tm_year -= 1900;
508 tm.tm_mon--;
509 rtc_start_date = mktimegm(&tm);
510 if (rtc_start_date == -1) {
511 date_fail:
512 fprintf(stderr, "Invalid date format. Valid formats are:\n"
513 "'2006-06-17T16:01:21' or '2006-06-17'\n");
514 exit(1);
515 }
516 rtc_date_offset = time(NULL) - rtc_start_date;
517 }
518 }
519
520 static void configure_rtc(QemuOpts *opts)
521 {
522 const char *value;
523
524 value = qemu_opt_get(opts, "base");
525 if (value) {
526 if (!strcmp(value, "utc")) {
527 rtc_utc = 1;
528 } else if (!strcmp(value, "localtime")) {
529 rtc_utc = 0;
530 } else {
531 configure_rtc_date_offset(value, 0);
532 }
533 }
534 value = qemu_opt_get(opts, "clock");
535 if (value) {
536 if (!strcmp(value, "host")) {
537 rtc_clock = host_clock;
538 } else if (!strcmp(value, "rt")) {
539 rtc_clock = rt_clock;
540 } else if (!strcmp(value, "vm")) {
541 rtc_clock = vm_clock;
542 } else {
543 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
544 exit(1);
545 }
546 }
547 value = qemu_opt_get(opts, "driftfix");
548 if (value) {
549 if (!strcmp(value, "slew")) {
550 static GlobalProperty slew_lost_ticks[] = {
551 {
552 .driver = "mc146818rtc",
553 .property = "lost_tick_policy",
554 .value = "slew",
555 },
556 { /* end of list */ }
557 };
558
559 qdev_prop_register_global_list(slew_lost_ticks);
560 } else if (!strcmp(value, "none")) {
561 /* discard is default */
562 } else {
563 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
564 exit(1);
565 }
566 }
567 }
568
569 /***********************************************************/
570 /* Bluetooth support */
571 static int nb_hcis;
572 static int cur_hci;
573 static struct HCIInfo *hci_table[MAX_NICS];
574
575 static struct bt_vlan_s {
576 struct bt_scatternet_s net;
577 int id;
578 struct bt_vlan_s *next;
579 } *first_bt_vlan;
580
581 /* find or alloc a new bluetooth "VLAN" */
582 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
583 {
584 struct bt_vlan_s **pvlan, *vlan;
585 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
586 if (vlan->id == id)
587 return &vlan->net;
588 }
589 vlan = g_malloc0(sizeof(struct bt_vlan_s));
590 vlan->id = id;
591 pvlan = &first_bt_vlan;
592 while (*pvlan != NULL)
593 pvlan = &(*pvlan)->next;
594 *pvlan = vlan;
595 return &vlan->net;
596 }
597
598 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
599 {
600 }
601
602 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
603 {
604 return -ENOTSUP;
605 }
606
607 static struct HCIInfo null_hci = {
608 .cmd_send = null_hci_send,
609 .sco_send = null_hci_send,
610 .acl_send = null_hci_send,
611 .bdaddr_set = null_hci_addr_set,
612 };
613
614 struct HCIInfo *qemu_next_hci(void)
615 {
616 if (cur_hci == nb_hcis)
617 return &null_hci;
618
619 return hci_table[cur_hci++];
620 }
621
622 static struct HCIInfo *hci_init(const char *str)
623 {
624 char *endp;
625 struct bt_scatternet_s *vlan = 0;
626
627 if (!strcmp(str, "null"))
628 /* null */
629 return &null_hci;
630 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
631 /* host[:hciN] */
632 return bt_host_hci(str[4] ? str + 5 : "hci0");
633 else if (!strncmp(str, "hci", 3)) {
634 /* hci[,vlan=n] */
635 if (str[3]) {
636 if (!strncmp(str + 3, ",vlan=", 6)) {
637 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
638 if (*endp)
639 vlan = 0;
640 }
641 } else
642 vlan = qemu_find_bt_vlan(0);
643 if (vlan)
644 return bt_new_hci(vlan);
645 }
646
647 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
648
649 return 0;
650 }
651
652 static int bt_hci_parse(const char *str)
653 {
654 struct HCIInfo *hci;
655 bdaddr_t bdaddr;
656
657 if (nb_hcis >= MAX_NICS) {
658 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
659 return -1;
660 }
661
662 hci = hci_init(str);
663 if (!hci)
664 return -1;
665
666 bdaddr.b[0] = 0x52;
667 bdaddr.b[1] = 0x54;
668 bdaddr.b[2] = 0x00;
669 bdaddr.b[3] = 0x12;
670 bdaddr.b[4] = 0x34;
671 bdaddr.b[5] = 0x56 + nb_hcis;
672 hci->bdaddr_set(hci, bdaddr.b);
673
674 hci_table[nb_hcis++] = hci;
675
676 return 0;
677 }
678
679 static void bt_vhci_add(int vlan_id)
680 {
681 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
682
683 if (!vlan->slave)
684 fprintf(stderr, "qemu: warning: adding a VHCI to "
685 "an empty scatternet %i\n", vlan_id);
686
687 bt_vhci_init(bt_new_hci(vlan));
688 }
689
690 static struct bt_device_s *bt_device_add(const char *opt)
691 {
692 struct bt_scatternet_s *vlan;
693 int vlan_id = 0;
694 char *endp = strstr(opt, ",vlan=");
695 int len = (endp ? endp - opt : strlen(opt)) + 1;
696 char devname[10];
697
698 pstrcpy(devname, MIN(sizeof(devname), len), opt);
699
700 if (endp) {
701 vlan_id = strtol(endp + 6, &endp, 0);
702 if (*endp) {
703 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
704 return 0;
705 }
706 }
707
708 vlan = qemu_find_bt_vlan(vlan_id);
709
710 if (!vlan->slave)
711 fprintf(stderr, "qemu: warning: adding a slave device to "
712 "an empty scatternet %i\n", vlan_id);
713
714 if (!strcmp(devname, "keyboard"))
715 return bt_keyboard_init(vlan);
716
717 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
718 return 0;
719 }
720
721 static int bt_parse(const char *opt)
722 {
723 const char *endp, *p;
724 int vlan;
725
726 if (strstart(opt, "hci", &endp)) {
727 if (!*endp || *endp == ',') {
728 if (*endp)
729 if (!strstart(endp, ",vlan=", 0))
730 opt = endp + 1;
731
732 return bt_hci_parse(opt);
733 }
734 } else if (strstart(opt, "vhci", &endp)) {
735 if (!*endp || *endp == ',') {
736 if (*endp) {
737 if (strstart(endp, ",vlan=", &p)) {
738 vlan = strtol(p, (char **) &endp, 0);
739 if (*endp) {
740 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
741 return 1;
742 }
743 } else {
744 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
745 return 1;
746 }
747 } else
748 vlan = 0;
749
750 bt_vhci_add(vlan);
751 return 0;
752 }
753 } else if (strstart(opt, "device:", &endp))
754 return !bt_device_add(endp);
755
756 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
757 return 1;
758 }
759
760 /***********************************************************/
761 /* QEMU Block devices */
762
763 #define HD_OPTS "media=disk"
764 #define CDROM_OPTS "media=cdrom"
765 #define FD_OPTS ""
766 #define PFLASH_OPTS ""
767 #define MTD_OPTS ""
768 #define SD_OPTS ""
769
770 static int drive_init_func(QemuOpts *opts, void *opaque)
771 {
772 int *use_scsi = opaque;
773
774 return drive_init(opts, *use_scsi) == NULL;
775 }
776
777 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
778 {
779 if (NULL == qemu_opt_get(opts, "snapshot")) {
780 qemu_opt_set(opts, "snapshot", "on");
781 }
782 return 0;
783 }
784
785 static void default_drive(int enable, int snapshot, int use_scsi,
786 BlockInterfaceType type, int index,
787 const char *optstr)
788 {
789 QemuOpts *opts;
790
791 if (type == IF_DEFAULT) {
792 type = use_scsi ? IF_SCSI : IF_IDE;
793 }
794
795 if (!enable || drive_get_by_index(type, index)) {
796 return;
797 }
798
799 opts = drive_add(type, index, NULL, optstr);
800 if (snapshot) {
801 drive_enable_snapshot(opts, NULL);
802 }
803 if (!drive_init(opts, use_scsi)) {
804 exit(1);
805 }
806 }
807
808 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
809 {
810 boot_set_handler = func;
811 boot_set_opaque = opaque;
812 }
813
814 int qemu_boot_set(const char *boot_devices)
815 {
816 if (!boot_set_handler) {
817 return -EINVAL;
818 }
819 return boot_set_handler(boot_set_opaque, boot_devices);
820 }
821
822 static void validate_bootdevices(char *devices)
823 {
824 /* We just do some generic consistency checks */
825 const char *p;
826 int bitmap = 0;
827
828 for (p = devices; *p != '\0'; p++) {
829 /* Allowed boot devices are:
830 * a-b: floppy disk drives
831 * c-f: IDE disk drives
832 * g-m: machine implementation dependent drives
833 * n-p: network devices
834 * It's up to each machine implementation to check if the given boot
835 * devices match the actual hardware implementation and firmware
836 * features.
837 */
838 if (*p < 'a' || *p > 'p') {
839 fprintf(stderr, "Invalid boot device '%c'\n", *p);
840 exit(1);
841 }
842 if (bitmap & (1 << (*p - 'a'))) {
843 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
844 exit(1);
845 }
846 bitmap |= 1 << (*p - 'a');
847 }
848 }
849
850 static void restore_boot_devices(void *opaque)
851 {
852 char *standard_boot_devices = opaque;
853 static int first = 1;
854
855 /* Restore boot order and remove ourselves after the first boot */
856 if (first) {
857 first = 0;
858 return;
859 }
860
861 qemu_boot_set(standard_boot_devices);
862
863 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
864 g_free(standard_boot_devices);
865 }
866
867 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
868 const char *suffix)
869 {
870 FWBootEntry *node, *i;
871
872 if (bootindex < 0) {
873 return;
874 }
875
876 assert(dev != NULL || suffix != NULL);
877
878 node = g_malloc0(sizeof(FWBootEntry));
879 node->bootindex = bootindex;
880 node->suffix = suffix ? g_strdup(suffix) : NULL;
881 node->dev = dev;
882
883 QTAILQ_FOREACH(i, &fw_boot_order, link) {
884 if (i->bootindex == bootindex) {
885 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
886 exit(1);
887 } else if (i->bootindex < bootindex) {
888 continue;
889 }
890 QTAILQ_INSERT_BEFORE(i, node, link);
891 return;
892 }
893 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
894 }
895
896 /*
897 * This function returns null terminated string that consist of new line
898 * separated device paths.
899 *
900 * memory pointed by "size" is assigned total length of the array in bytes
901 *
902 */
903 char *get_boot_devices_list(uint32_t *size)
904 {
905 FWBootEntry *i;
906 uint32_t total = 0;
907 char *list = NULL;
908
909 QTAILQ_FOREACH(i, &fw_boot_order, link) {
910 char *devpath = NULL, *bootpath;
911 int len;
912
913 if (i->dev) {
914 devpath = qdev_get_fw_dev_path(i->dev);
915 assert(devpath);
916 }
917
918 if (i->suffix && devpath) {
919 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
920
921 bootpath = g_malloc(bootpathlen);
922 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
923 g_free(devpath);
924 } else if (devpath) {
925 bootpath = devpath;
926 } else {
927 assert(i->suffix);
928 bootpath = g_strdup(i->suffix);
929 }
930
931 if (total) {
932 list[total-1] = '\n';
933 }
934 len = strlen(bootpath) + 1;
935 list = g_realloc(list, total + len);
936 memcpy(&list[total], bootpath, len);
937 total += len;
938 g_free(bootpath);
939 }
940
941 *size = total;
942
943 return list;
944 }
945
946 static void numa_add(const char *optarg)
947 {
948 char option[128];
949 char *endptr;
950 unsigned long long value, endvalue;
951 int nodenr;
952
953 optarg = get_opt_name(option, 128, optarg, ',') + 1;
954 if (!strcmp(option, "node")) {
955 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
956 nodenr = nb_numa_nodes;
957 } else {
958 nodenr = strtoull(option, NULL, 10);
959 }
960
961 if (get_param_value(option, 128, "mem", optarg) == 0) {
962 node_mem[nodenr] = 0;
963 } else {
964 int64_t sval;
965 sval = strtosz(option, &endptr);
966 if (sval < 0 || *endptr) {
967 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
968 exit(1);
969 }
970 node_mem[nodenr] = sval;
971 }
972 if (get_param_value(option, 128, "cpus", optarg) == 0) {
973 node_cpumask[nodenr] = 0;
974 } else {
975 value = strtoull(option, &endptr, 10);
976 if (value >= 64) {
977 value = 63;
978 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
979 } else {
980 if (*endptr == '-') {
981 endvalue = strtoull(endptr+1, &endptr, 10);
982 if (endvalue >= 63) {
983 endvalue = 62;
984 fprintf(stderr,
985 "only 63 CPUs in NUMA mode supported.\n");
986 }
987 value = (2ULL << endvalue) - (1ULL << value);
988 } else {
989 value = 1ULL << value;
990 }
991 }
992 node_cpumask[nodenr] = value;
993 }
994 nb_numa_nodes++;
995 }
996 return;
997 }
998
999 static void smp_parse(const char *optarg)
1000 {
1001 int smp, sockets = 0, threads = 0, cores = 0;
1002 char *endptr;
1003 char option[128];
1004
1005 smp = strtoul(optarg, &endptr, 10);
1006 if (endptr != optarg) {
1007 if (*endptr == ',') {
1008 endptr++;
1009 }
1010 }
1011 if (get_param_value(option, 128, "sockets", endptr) != 0)
1012 sockets = strtoull(option, NULL, 10);
1013 if (get_param_value(option, 128, "cores", endptr) != 0)
1014 cores = strtoull(option, NULL, 10);
1015 if (get_param_value(option, 128, "threads", endptr) != 0)
1016 threads = strtoull(option, NULL, 10);
1017 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1018 max_cpus = strtoull(option, NULL, 10);
1019
1020 /* compute missing values, prefer sockets over cores over threads */
1021 if (smp == 0 || sockets == 0) {
1022 sockets = sockets > 0 ? sockets : 1;
1023 cores = cores > 0 ? cores : 1;
1024 threads = threads > 0 ? threads : 1;
1025 if (smp == 0) {
1026 smp = cores * threads * sockets;
1027 }
1028 } else {
1029 if (cores == 0) {
1030 threads = threads > 0 ? threads : 1;
1031 cores = smp / (sockets * threads);
1032 } else {
1033 threads = smp / (cores * sockets);
1034 }
1035 }
1036 smp_cpus = smp;
1037 smp_cores = cores > 0 ? cores : 1;
1038 smp_threads = threads > 0 ? threads : 1;
1039 if (max_cpus == 0)
1040 max_cpus = smp_cpus;
1041 }
1042
1043 /***********************************************************/
1044 /* USB devices */
1045
1046 static int usb_device_add(const char *devname)
1047 {
1048 const char *p;
1049 USBDevice *dev = NULL;
1050
1051 if (!usb_enabled)
1052 return -1;
1053
1054 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1055 dev = usbdevice_create(devname);
1056 if (dev)
1057 goto done;
1058
1059 /* the other ones */
1060 #ifndef CONFIG_LINUX
1061 /* only the linux version is qdev-ified, usb-bsd still needs this */
1062 if (strstart(devname, "host:", &p)) {
1063 dev = usb_host_device_open(usb_bus_find(-1), p);
1064 } else
1065 #endif
1066 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1067 dev = usb_bt_init(usb_bus_find(-1),
1068 devname[2] ? hci_init(p)
1069 : bt_new_hci(qemu_find_bt_vlan(0)));
1070 } else {
1071 return -1;
1072 }
1073 if (!dev)
1074 return -1;
1075
1076 done:
1077 return 0;
1078 }
1079
1080 static int usb_device_del(const char *devname)
1081 {
1082 int bus_num, addr;
1083 const char *p;
1084
1085 if (strstart(devname, "host:", &p))
1086 return usb_host_device_close(p);
1087
1088 if (!usb_enabled)
1089 return -1;
1090
1091 p = strchr(devname, '.');
1092 if (!p)
1093 return -1;
1094 bus_num = strtoul(devname, NULL, 0);
1095 addr = strtoul(p + 1, NULL, 0);
1096
1097 return usb_device_delete_addr(bus_num, addr);
1098 }
1099
1100 static int usb_parse(const char *cmdline)
1101 {
1102 int r;
1103 r = usb_device_add(cmdline);
1104 if (r < 0) {
1105 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1106 }
1107 return r;
1108 }
1109
1110 void do_usb_add(Monitor *mon, const QDict *qdict)
1111 {
1112 const char *devname = qdict_get_str(qdict, "devname");
1113 if (usb_device_add(devname) < 0) {
1114 error_report("could not add USB device '%s'", devname);
1115 }
1116 }
1117
1118 void do_usb_del(Monitor *mon, const QDict *qdict)
1119 {
1120 const char *devname = qdict_get_str(qdict, "devname");
1121 if (usb_device_del(devname) < 0) {
1122 error_report("could not delete USB device '%s'", devname);
1123 }
1124 }
1125
1126 /***********************************************************/
1127 /* PCMCIA/Cardbus */
1128
1129 static struct pcmcia_socket_entry_s {
1130 PCMCIASocket *socket;
1131 struct pcmcia_socket_entry_s *next;
1132 } *pcmcia_sockets = 0;
1133
1134 void pcmcia_socket_register(PCMCIASocket *socket)
1135 {
1136 struct pcmcia_socket_entry_s *entry;
1137
1138 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1139 entry->socket = socket;
1140 entry->next = pcmcia_sockets;
1141 pcmcia_sockets = entry;
1142 }
1143
1144 void pcmcia_socket_unregister(PCMCIASocket *socket)
1145 {
1146 struct pcmcia_socket_entry_s *entry, **ptr;
1147
1148 ptr = &pcmcia_sockets;
1149 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1150 if (entry->socket == socket) {
1151 *ptr = entry->next;
1152 g_free(entry);
1153 }
1154 }
1155
1156 void pcmcia_info(Monitor *mon)
1157 {
1158 struct pcmcia_socket_entry_s *iter;
1159
1160 if (!pcmcia_sockets)
1161 monitor_printf(mon, "No PCMCIA sockets\n");
1162
1163 for (iter = pcmcia_sockets; iter; iter = iter->next)
1164 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1165 iter->socket->attached ? iter->socket->card_string :
1166 "Empty");
1167 }
1168
1169 /***********************************************************/
1170 /* machine registration */
1171
1172 static QEMUMachine *first_machine = NULL;
1173 QEMUMachine *current_machine = NULL;
1174
1175 int qemu_register_machine(QEMUMachine *m)
1176 {
1177 QEMUMachine **pm;
1178 pm = &first_machine;
1179 while (*pm != NULL)
1180 pm = &(*pm)->next;
1181 m->next = NULL;
1182 *pm = m;
1183 return 0;
1184 }
1185
1186 static QEMUMachine *find_machine(const char *name)
1187 {
1188 QEMUMachine *m;
1189
1190 for(m = first_machine; m != NULL; m = m->next) {
1191 if (!strcmp(m->name, name))
1192 return m;
1193 if (m->alias && !strcmp(m->alias, name))
1194 return m;
1195 }
1196 return NULL;
1197 }
1198
1199 QEMUMachine *find_default_machine(void)
1200 {
1201 QEMUMachine *m;
1202
1203 for(m = first_machine; m != NULL; m = m->next) {
1204 if (m->is_default) {
1205 return m;
1206 }
1207 }
1208 return NULL;
1209 }
1210
1211 /***********************************************************/
1212 /* main execution loop */
1213
1214 static void gui_update(void *opaque)
1215 {
1216 uint64_t interval = GUI_REFRESH_INTERVAL;
1217 DisplayState *ds = opaque;
1218 DisplayChangeListener *dcl = ds->listeners;
1219
1220 dpy_refresh(ds);
1221
1222 while (dcl != NULL) {
1223 if (dcl->gui_timer_interval &&
1224 dcl->gui_timer_interval < interval)
1225 interval = dcl->gui_timer_interval;
1226 dcl = dcl->next;
1227 }
1228 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1229 }
1230
1231 struct vm_change_state_entry {
1232 VMChangeStateHandler *cb;
1233 void *opaque;
1234 QLIST_ENTRY (vm_change_state_entry) entries;
1235 };
1236
1237 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1238
1239 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1240 void *opaque)
1241 {
1242 VMChangeStateEntry *e;
1243
1244 e = g_malloc0(sizeof (*e));
1245
1246 e->cb = cb;
1247 e->opaque = opaque;
1248 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1249 return e;
1250 }
1251
1252 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1253 {
1254 QLIST_REMOVE (e, entries);
1255 g_free (e);
1256 }
1257
1258 void vm_state_notify(int running, RunState state)
1259 {
1260 VMChangeStateEntry *e;
1261
1262 trace_vm_state_notify(running, state);
1263
1264 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1265 e->cb(e->opaque, running, state);
1266 }
1267 }
1268
1269 void vm_start(void)
1270 {
1271 if (!runstate_is_running()) {
1272 cpu_enable_ticks();
1273 runstate_set(RUN_STATE_RUNNING);
1274 vm_state_notify(1, RUN_STATE_RUNNING);
1275 resume_all_vcpus();
1276 monitor_protocol_event(QEVENT_RESUME, NULL);
1277 }
1278 }
1279
1280 /* reset/shutdown handler */
1281
1282 typedef struct QEMUResetEntry {
1283 QTAILQ_ENTRY(QEMUResetEntry) entry;
1284 QEMUResetHandler *func;
1285 void *opaque;
1286 } QEMUResetEntry;
1287
1288 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1289 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1290 static int reset_requested;
1291 static int shutdown_requested, shutdown_signal = -1;
1292 static pid_t shutdown_pid;
1293 static int powerdown_requested;
1294 static int debug_requested;
1295 static int suspend_requested;
1296 static NotifierList suspend_notifiers =
1297 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1298 static NotifierList wakeup_notifiers =
1299 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1300 static uint32_t wakeup_reason_mask = ~0;
1301 static RunState vmstop_requested = RUN_STATE_MAX;
1302
1303 int qemu_shutdown_requested_get(void)
1304 {
1305 return shutdown_requested;
1306 }
1307
1308 int qemu_reset_requested_get(void)
1309 {
1310 return reset_requested;
1311 }
1312
1313 int qemu_shutdown_requested(void)
1314 {
1315 int r = shutdown_requested;
1316 shutdown_requested = 0;
1317 return r;
1318 }
1319
1320 void qemu_kill_report(void)
1321 {
1322 if (!qtest_enabled() && shutdown_signal != -1) {
1323 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1324 if (shutdown_pid == 0) {
1325 /* This happens for eg ^C at the terminal, so it's worth
1326 * avoiding printing an odd message in that case.
1327 */
1328 fputc('\n', stderr);
1329 } else {
1330 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1331 }
1332 shutdown_signal = -1;
1333 }
1334 }
1335
1336 int qemu_reset_requested(void)
1337 {
1338 int r = reset_requested;
1339 reset_requested = 0;
1340 return r;
1341 }
1342
1343 static int qemu_suspend_requested(void)
1344 {
1345 int r = suspend_requested;
1346 suspend_requested = 0;
1347 return r;
1348 }
1349
1350 int qemu_powerdown_requested(void)
1351 {
1352 int r = powerdown_requested;
1353 powerdown_requested = 0;
1354 return r;
1355 }
1356
1357 static int qemu_debug_requested(void)
1358 {
1359 int r = debug_requested;
1360 debug_requested = 0;
1361 return r;
1362 }
1363
1364 /* We use RUN_STATE_MAX but any invalid value will do */
1365 static bool qemu_vmstop_requested(RunState *r)
1366 {
1367 if (vmstop_requested < RUN_STATE_MAX) {
1368 *r = vmstop_requested;
1369 vmstop_requested = RUN_STATE_MAX;
1370 return true;
1371 }
1372
1373 return false;
1374 }
1375
1376 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1377 {
1378 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1379
1380 re->func = func;
1381 re->opaque = opaque;
1382 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1383 }
1384
1385 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1386 {
1387 QEMUResetEntry *re;
1388
1389 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1390 if (re->func == func && re->opaque == opaque) {
1391 QTAILQ_REMOVE(&reset_handlers, re, entry);
1392 g_free(re);
1393 return;
1394 }
1395 }
1396 }
1397
1398 void qemu_system_reset(bool report)
1399 {
1400 QEMUResetEntry *re, *nre;
1401
1402 /* reset all devices */
1403 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1404 re->func(re->opaque);
1405 }
1406 if (report) {
1407 monitor_protocol_event(QEVENT_RESET, NULL);
1408 }
1409 cpu_synchronize_all_post_reset();
1410 }
1411
1412 void qemu_system_reset_request(void)
1413 {
1414 if (no_reboot) {
1415 shutdown_requested = 1;
1416 } else {
1417 reset_requested = 1;
1418 }
1419 cpu_stop_current();
1420 qemu_notify_event();
1421 }
1422
1423 static void qemu_system_suspend(void)
1424 {
1425 pause_all_vcpus();
1426 notifier_list_notify(&suspend_notifiers, NULL);
1427 runstate_set(RUN_STATE_SUSPENDED);
1428 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1429 }
1430
1431 void qemu_system_suspend_request(void)
1432 {
1433 if (runstate_check(RUN_STATE_SUSPENDED)) {
1434 return;
1435 }
1436 suspend_requested = 1;
1437 cpu_stop_current();
1438 qemu_notify_event();
1439 }
1440
1441 void qemu_register_suspend_notifier(Notifier *notifier)
1442 {
1443 notifier_list_add(&suspend_notifiers, notifier);
1444 }
1445
1446 void qemu_system_wakeup_request(WakeupReason reason)
1447 {
1448 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1449 return;
1450 }
1451 if (!(wakeup_reason_mask & (1 << reason))) {
1452 return;
1453 }
1454 runstate_set(RUN_STATE_RUNNING);
1455 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1456 notifier_list_notify(&wakeup_notifiers, &reason);
1457 reset_requested = 1;
1458 qemu_notify_event();
1459 }
1460
1461 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1462 {
1463 if (enabled) {
1464 wakeup_reason_mask |= (1 << reason);
1465 } else {
1466 wakeup_reason_mask &= ~(1 << reason);
1467 }
1468 }
1469
1470 void qemu_register_wakeup_notifier(Notifier *notifier)
1471 {
1472 notifier_list_add(&wakeup_notifiers, notifier);
1473 }
1474
1475 void qemu_system_killed(int signal, pid_t pid)
1476 {
1477 shutdown_signal = signal;
1478 shutdown_pid = pid;
1479 no_shutdown = 0;
1480 qemu_system_shutdown_request();
1481 }
1482
1483 void qemu_system_shutdown_request(void)
1484 {
1485 shutdown_requested = 1;
1486 qemu_notify_event();
1487 }
1488
1489 void qemu_system_powerdown_request(void)
1490 {
1491 powerdown_requested = 1;
1492 qemu_notify_event();
1493 }
1494
1495 void qemu_system_debug_request(void)
1496 {
1497 debug_requested = 1;
1498 qemu_notify_event();
1499 }
1500
1501 void qemu_system_vmstop_request(RunState state)
1502 {
1503 vmstop_requested = state;
1504 qemu_notify_event();
1505 }
1506
1507 qemu_irq qemu_system_powerdown;
1508
1509 static bool main_loop_should_exit(void)
1510 {
1511 RunState r;
1512 if (qemu_debug_requested()) {
1513 vm_stop(RUN_STATE_DEBUG);
1514 }
1515 if (qemu_suspend_requested()) {
1516 qemu_system_suspend();
1517 }
1518 if (qemu_shutdown_requested()) {
1519 qemu_kill_report();
1520 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1521 if (no_shutdown) {
1522 vm_stop(RUN_STATE_SHUTDOWN);
1523 } else {
1524 return true;
1525 }
1526 }
1527 if (qemu_reset_requested()) {
1528 pause_all_vcpus();
1529 cpu_synchronize_all_states();
1530 qemu_system_reset(VMRESET_REPORT);
1531 resume_all_vcpus();
1532 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1533 runstate_check(RUN_STATE_SHUTDOWN)) {
1534 runstate_set(RUN_STATE_PAUSED);
1535 }
1536 }
1537 if (qemu_powerdown_requested()) {
1538 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1539 qemu_irq_raise(qemu_system_powerdown);
1540 }
1541 if (qemu_vmstop_requested(&r)) {
1542 vm_stop(r);
1543 }
1544 return false;
1545 }
1546
1547 static void main_loop(void)
1548 {
1549 bool nonblocking;
1550 int last_io = 0;
1551 #ifdef CONFIG_PROFILER
1552 int64_t ti;
1553 #endif
1554 do {
1555 nonblocking = !kvm_enabled() && last_io > 0;
1556 #ifdef CONFIG_PROFILER
1557 ti = profile_getclock();
1558 #endif
1559 last_io = main_loop_wait(nonblocking);
1560 #ifdef CONFIG_PROFILER
1561 dev_time += profile_getclock() - ti;
1562 #endif
1563 } while (!main_loop_should_exit());
1564 }
1565
1566 static void version(void)
1567 {
1568 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1569 }
1570
1571 static void help(int exitcode)
1572 {
1573 version();
1574 printf("usage: %s [options] [disk_image]\n\n"
1575 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1576 error_get_progname());
1577
1578 #define QEMU_OPTIONS_GENERATE_HELP
1579 #include "qemu-options-wrapper.h"
1580
1581 printf("\nDuring emulation, the following keys are useful:\n"
1582 "ctrl-alt-f toggle full screen\n"
1583 "ctrl-alt-n switch to virtual console 'n'\n"
1584 "ctrl-alt toggle mouse and keyboard grab\n"
1585 "\n"
1586 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1587
1588 exit(exitcode);
1589 }
1590
1591 #define HAS_ARG 0x0001
1592
1593 typedef struct QEMUOption {
1594 const char *name;
1595 int flags;
1596 int index;
1597 uint32_t arch_mask;
1598 } QEMUOption;
1599
1600 static const QEMUOption qemu_options[] = {
1601 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1602 #define QEMU_OPTIONS_GENERATE_OPTIONS
1603 #include "qemu-options-wrapper.h"
1604 { NULL },
1605 };
1606
1607 static bool vga_available(void)
1608 {
1609 return qdev_exists("VGA") || qdev_exists("isa-vga");
1610 }
1611
1612 static bool cirrus_vga_available(void)
1613 {
1614 return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1615 }
1616
1617 static bool vmware_vga_available(void)
1618 {
1619 return qdev_exists("vmware-svga");
1620 }
1621
1622 static void select_vgahw (const char *p)
1623 {
1624 const char *opts;
1625
1626 vga_interface_type = VGA_NONE;
1627 if (strstart(p, "std", &opts)) {
1628 if (vga_available()) {
1629 vga_interface_type = VGA_STD;
1630 } else {
1631 fprintf(stderr, "Error: standard VGA not available\n");
1632 exit(0);
1633 }
1634 } else if (strstart(p, "cirrus", &opts)) {
1635 if (cirrus_vga_available()) {
1636 vga_interface_type = VGA_CIRRUS;
1637 } else {
1638 fprintf(stderr, "Error: Cirrus VGA not available\n");
1639 exit(0);
1640 }
1641 } else if (strstart(p, "vmware", &opts)) {
1642 if (vmware_vga_available()) {
1643 vga_interface_type = VGA_VMWARE;
1644 } else {
1645 fprintf(stderr, "Error: VMWare SVGA not available\n");
1646 exit(0);
1647 }
1648 } else if (strstart(p, "xenfb", &opts)) {
1649 vga_interface_type = VGA_XENFB;
1650 } else if (strstart(p, "qxl", &opts)) {
1651 vga_interface_type = VGA_QXL;
1652 } else if (!strstart(p, "none", &opts)) {
1653 invalid_vga:
1654 fprintf(stderr, "Unknown vga type: %s\n", p);
1655 exit(1);
1656 }
1657 while (*opts) {
1658 const char *nextopt;
1659
1660 if (strstart(opts, ",retrace=", &nextopt)) {
1661 opts = nextopt;
1662 if (strstart(opts, "dumb", &nextopt))
1663 vga_retrace_method = VGA_RETRACE_DUMB;
1664 else if (strstart(opts, "precise", &nextopt))
1665 vga_retrace_method = VGA_RETRACE_PRECISE;
1666 else goto invalid_vga;
1667 } else goto invalid_vga;
1668 opts = nextopt;
1669 }
1670 }
1671
1672 static DisplayType select_display(const char *p)
1673 {
1674 const char *opts;
1675 DisplayType display = DT_DEFAULT;
1676
1677 if (strstart(p, "sdl", &opts)) {
1678 #ifdef CONFIG_SDL
1679 display = DT_SDL;
1680 while (*opts) {
1681 const char *nextopt;
1682
1683 if (strstart(opts, ",frame=", &nextopt)) {
1684 opts = nextopt;
1685 if (strstart(opts, "on", &nextopt)) {
1686 no_frame = 0;
1687 } else if (strstart(opts, "off", &nextopt)) {
1688 no_frame = 1;
1689 } else {
1690 goto invalid_sdl_args;
1691 }
1692 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1693 opts = nextopt;
1694 if (strstart(opts, "on", &nextopt)) {
1695 alt_grab = 1;
1696 } else if (strstart(opts, "off", &nextopt)) {
1697 alt_grab = 0;
1698 } else {
1699 goto invalid_sdl_args;
1700 }
1701 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1702 opts = nextopt;
1703 if (strstart(opts, "on", &nextopt)) {
1704 ctrl_grab = 1;
1705 } else if (strstart(opts, "off", &nextopt)) {
1706 ctrl_grab = 0;
1707 } else {
1708 goto invalid_sdl_args;
1709 }
1710 } else if (strstart(opts, ",window_close=", &nextopt)) {
1711 opts = nextopt;
1712 if (strstart(opts, "on", &nextopt)) {
1713 no_quit = 0;
1714 } else if (strstart(opts, "off", &nextopt)) {
1715 no_quit = 1;
1716 } else {
1717 goto invalid_sdl_args;
1718 }
1719 } else {
1720 invalid_sdl_args:
1721 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1722 exit(1);
1723 }
1724 opts = nextopt;
1725 }
1726 #else
1727 fprintf(stderr, "SDL support is disabled\n");
1728 exit(1);
1729 #endif
1730 } else if (strstart(p, "vnc", &opts)) {
1731 #ifdef CONFIG_VNC
1732 display_remote++;
1733
1734 if (*opts) {
1735 const char *nextopt;
1736
1737 if (strstart(opts, "=", &nextopt)) {
1738 vnc_display = nextopt;
1739 }
1740 }
1741 if (!vnc_display) {
1742 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1743 exit(1);
1744 }
1745 #else
1746 fprintf(stderr, "VNC support is disabled\n");
1747 exit(1);
1748 #endif
1749 } else if (strstart(p, "curses", &opts)) {
1750 #ifdef CONFIG_CURSES
1751 display = DT_CURSES;
1752 #else
1753 fprintf(stderr, "Curses support is disabled\n");
1754 exit(1);
1755 #endif
1756 } else if (strstart(p, "none", &opts)) {
1757 display = DT_NONE;
1758 } else {
1759 fprintf(stderr, "Unknown display type: %s\n", p);
1760 exit(1);
1761 }
1762
1763 return display;
1764 }
1765
1766 static int balloon_parse(const char *arg)
1767 {
1768 QemuOpts *opts;
1769
1770 if (strcmp(arg, "none") == 0) {
1771 return 0;
1772 }
1773
1774 if (!strncmp(arg, "virtio", 6)) {
1775 if (arg[6] == ',') {
1776 /* have params -> parse them */
1777 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1778 if (!opts)
1779 return -1;
1780 } else {
1781 /* create empty opts */
1782 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1783 }
1784 qemu_opt_set(opts, "driver", "virtio-balloon");
1785 return 0;
1786 }
1787
1788 return -1;
1789 }
1790
1791 char *qemu_find_file(int type, const char *name)
1792 {
1793 int len;
1794 const char *subdir;
1795 char *buf;
1796
1797 /* If name contains path separators then try it as a straight path. */
1798 if ((strchr(name, '/') || strchr(name, '\\'))
1799 && 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);
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 open serial device '%s': %s\n",
1988 devname, strerror(errno));
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 open parallel device '%s': %s\n",
2010 devname, strerror(errno));
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);
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);
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 open virtio console '%s': %s\n",
2045 devname, strerror(errno));
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);
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 || *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 = NULL;
2281 const char *pid_file = NULL;
2282 const char *incoming = NULL;
2283 #ifdef CONFIG_VNC
2284 int show_vnc_port = 0;
2285 #endif
2286 int defconfig = 1;
2287 const char *log_mask = NULL;
2288 const char *log_file = NULL;
2289 GMemVTable mem_trace = {
2290 .malloc = malloc_and_trace,
2291 .realloc = realloc_and_trace,
2292 .free = free_and_trace,
2293 };
2294 const char *trace_events = NULL;
2295 const char *trace_file = NULL;
2296
2297 atexit(qemu_run_exit_notifiers);
2298 error_set_progname(argv[0]);
2299
2300 g_mem_set_vtable(&mem_trace);
2301 if (!g_thread_supported()) {
2302 #if !GLIB_CHECK_VERSION(2, 31, 0)
2303 g_thread_init(NULL);
2304 #else
2305 fprintf(stderr, "glib threading failed to initialize.\n");
2306 exit(1);
2307 #endif
2308 }
2309
2310 module_call_init(MODULE_INIT_QOM);
2311
2312 runstate_init();
2313
2314 init_clocks();
2315 rtc_clock = host_clock;
2316
2317 qemu_cache_utils_init(envp);
2318
2319 QLIST_INIT (&vm_change_state_head);
2320 os_setup_early_signal_handling();
2321
2322 module_call_init(MODULE_INIT_MACHINE);
2323 machine = find_default_machine();
2324 cpu_model = NULL;
2325 ram_size = 0;
2326 snapshot = 0;
2327 cyls = heads = secs = 0;
2328 translation = BIOS_ATA_TRANSLATION_AUTO;
2329
2330 for (i = 0; i < MAX_NODES; i++) {
2331 node_mem[i] = 0;
2332 node_cpumask[i] = 0;
2333 }
2334
2335 nb_numa_nodes = 0;
2336 nb_nics = 0;
2337
2338 autostart= 1;
2339
2340 /* first pass of option parsing */
2341 optind = 1;
2342 while (optind < argc) {
2343 if (argv[optind][0] != '-') {
2344 /* disk image */
2345 optind++;
2346 continue;
2347 } else {
2348 const QEMUOption *popt;
2349
2350 popt = lookup_opt(argc, argv, &optarg, &optind);
2351 switch (popt->index) {
2352 case QEMU_OPTION_nodefconfig:
2353 defconfig=0;
2354 break;
2355 }
2356 }
2357 }
2358
2359 if (defconfig) {
2360 int ret;
2361
2362 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2363 if (ret < 0 && ret != -ENOENT) {
2364 exit(1);
2365 }
2366
2367 ret = qemu_read_config_file(arch_config_name);
2368 if (ret < 0 && ret != -ENOENT) {
2369 exit(1);
2370 }
2371 }
2372
2373 /* second pass of option parsing */
2374 optind = 1;
2375 for(;;) {
2376 if (optind >= argc)
2377 break;
2378 if (argv[optind][0] != '-') {
2379 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2380 } else {
2381 const QEMUOption *popt;
2382
2383 popt = lookup_opt(argc, argv, &optarg, &optind);
2384 if (!(popt->arch_mask & arch_type)) {
2385 printf("Option %s not supported for this target\n", popt->name);
2386 exit(1);
2387 }
2388 switch(popt->index) {
2389 case QEMU_OPTION_M:
2390 machine = machine_parse(optarg);
2391 break;
2392 case QEMU_OPTION_cpu:
2393 /* hw initialization will check this */
2394 cpu_model = optarg;
2395 break;
2396 case QEMU_OPTION_hda:
2397 {
2398 char buf[256];
2399 if (cyls == 0)
2400 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2401 else
2402 snprintf(buf, sizeof(buf),
2403 "%s,cyls=%d,heads=%d,secs=%d%s",
2404 HD_OPTS , cyls, heads, secs,
2405 translation == BIOS_ATA_TRANSLATION_LBA ?
2406 ",trans=lba" :
2407 translation == BIOS_ATA_TRANSLATION_NONE ?
2408 ",trans=none" : "");
2409 drive_add(IF_DEFAULT, 0, optarg, buf);
2410 break;
2411 }
2412 case QEMU_OPTION_hdb:
2413 case QEMU_OPTION_hdc:
2414 case QEMU_OPTION_hdd:
2415 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2416 HD_OPTS);
2417 break;
2418 case QEMU_OPTION_drive:
2419 if (drive_def(optarg) == NULL) {
2420 exit(1);
2421 }
2422 break;
2423 case QEMU_OPTION_set:
2424 if (qemu_set_option(optarg) != 0)
2425 exit(1);
2426 break;
2427 case QEMU_OPTION_global:
2428 if (qemu_global_option(optarg) != 0)
2429 exit(1);
2430 break;
2431 case QEMU_OPTION_mtdblock:
2432 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2433 break;
2434 case QEMU_OPTION_sd:
2435 drive_add(IF_SD, 0, optarg, SD_OPTS);
2436 break;
2437 case QEMU_OPTION_pflash:
2438 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2439 break;
2440 case QEMU_OPTION_snapshot:
2441 snapshot = 1;
2442 break;
2443 case QEMU_OPTION_hdachs:
2444 {
2445 const char *p;
2446 p = optarg;
2447 cyls = strtol(p, (char **)&p, 0);
2448 if (cyls < 1 || cyls > 16383)
2449 goto chs_fail;
2450 if (*p != ',')
2451 goto chs_fail;
2452 p++;
2453 heads = strtol(p, (char **)&p, 0);
2454 if (heads < 1 || heads > 16)
2455 goto chs_fail;
2456 if (*p != ',')
2457 goto chs_fail;
2458 p++;
2459 secs = strtol(p, (char **)&p, 0);
2460 if (secs < 1 || secs > 63)
2461 goto chs_fail;
2462 if (*p == ',') {
2463 p++;
2464 if (!strcmp(p, "none"))
2465 translation = BIOS_ATA_TRANSLATION_NONE;
2466 else if (!strcmp(p, "lba"))
2467 translation = BIOS_ATA_TRANSLATION_LBA;
2468 else if (!strcmp(p, "auto"))
2469 translation = BIOS_ATA_TRANSLATION_AUTO;
2470 else
2471 goto chs_fail;
2472 } else if (*p != '\0') {
2473 chs_fail:
2474 fprintf(stderr, "qemu: invalid physical CHS format\n");
2475 exit(1);
2476 }
2477 if (hda_opts != NULL) {
2478 char num[16];
2479 snprintf(num, sizeof(num), "%d", cyls);
2480 qemu_opt_set(hda_opts, "cyls", num);
2481 snprintf(num, sizeof(num), "%d", heads);
2482 qemu_opt_set(hda_opts, "heads", num);
2483 snprintf(num, sizeof(num), "%d", secs);
2484 qemu_opt_set(hda_opts, "secs", num);
2485 if (translation == BIOS_ATA_TRANSLATION_LBA)
2486 qemu_opt_set(hda_opts, "trans", "lba");
2487 if (translation == BIOS_ATA_TRANSLATION_NONE)
2488 qemu_opt_set(hda_opts, "trans", "none");
2489 }
2490 }
2491 break;
2492 case QEMU_OPTION_numa:
2493 if (nb_numa_nodes >= MAX_NODES) {
2494 fprintf(stderr, "qemu: too many NUMA nodes\n");
2495 exit(1);
2496 }
2497 numa_add(optarg);
2498 break;
2499 case QEMU_OPTION_display:
2500 display_type = select_display(optarg);
2501 break;
2502 case QEMU_OPTION_nographic:
2503 display_type = DT_NOGRAPHIC;
2504 break;
2505 case QEMU_OPTION_curses:
2506 #ifdef CONFIG_CURSES
2507 display_type = DT_CURSES;
2508 #else
2509 fprintf(stderr, "Curses support is disabled\n");
2510 exit(1);
2511 #endif
2512 break;
2513 case QEMU_OPTION_portrait:
2514 graphic_rotate = 90;
2515 break;
2516 case QEMU_OPTION_rotate:
2517 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2518 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2519 graphic_rotate != 180 && graphic_rotate != 270) {
2520 fprintf(stderr,
2521 "qemu: only 90, 180, 270 deg rotation is available\n");
2522 exit(1);
2523 }
2524 break;
2525 case QEMU_OPTION_kernel:
2526 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2527 break;
2528 case QEMU_OPTION_initrd:
2529 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2530 break;
2531 case QEMU_OPTION_append:
2532 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2533 break;
2534 case QEMU_OPTION_dtb:
2535 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2536 break;
2537 case QEMU_OPTION_cdrom:
2538 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2539 break;
2540 case QEMU_OPTION_boot:
2541 {
2542 static const char * const params[] = {
2543 "order", "once", "menu",
2544 "splash", "splash-time", NULL
2545 };
2546 char buf[sizeof(boot_devices)];
2547 char *standard_boot_devices;
2548 int legacy = 0;
2549
2550 if (!strchr(optarg, '=')) {
2551 legacy = 1;
2552 pstrcpy(buf, sizeof(buf), optarg);
2553 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2554 fprintf(stderr,
2555 "qemu: unknown boot parameter '%s' in '%s'\n",
2556 buf, optarg);
2557 exit(1);
2558 }
2559
2560 if (legacy ||
2561 get_param_value(buf, sizeof(buf), "order", optarg)) {
2562 validate_bootdevices(buf);
2563 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2564 }
2565 if (!legacy) {
2566 if (get_param_value(buf, sizeof(buf),
2567 "once", optarg)) {
2568 validate_bootdevices(buf);
2569 standard_boot_devices = g_strdup(boot_devices);
2570 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2571 qemu_register_reset(restore_boot_devices,
2572 standard_boot_devices);
2573 }
2574 if (get_param_value(buf, sizeof(buf),
2575 "menu", optarg)) {
2576 if (!strcmp(buf, "on")) {
2577 boot_menu = 1;
2578 } else if (!strcmp(buf, "off")) {
2579 boot_menu = 0;
2580 } else {
2581 fprintf(stderr,
2582 "qemu: invalid option value '%s'\n",
2583 buf);
2584 exit(1);
2585 }
2586 }
2587 qemu_opts_parse(qemu_find_opts("boot-opts"),
2588 optarg, 0);
2589 }
2590 }
2591 break;
2592 case QEMU_OPTION_fda:
2593 case QEMU_OPTION_fdb:
2594 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2595 optarg, FD_OPTS);
2596 break;
2597 case QEMU_OPTION_no_fd_bootchk:
2598 fd_bootchk = 0;
2599 break;
2600 case QEMU_OPTION_netdev:
2601 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2602 exit(1);
2603 }
2604 break;
2605 case QEMU_OPTION_net:
2606 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2607 exit(1);
2608 }
2609 break;
2610 #ifdef CONFIG_LIBISCSI
2611 case QEMU_OPTION_iscsi:
2612 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2613 if (!opts) {
2614 exit(1);
2615 }
2616 break;
2617 #endif
2618 #ifdef CONFIG_SLIRP
2619 case QEMU_OPTION_tftp:
2620 legacy_tftp_prefix = optarg;
2621 break;
2622 case QEMU_OPTION_bootp:
2623 legacy_bootp_filename = optarg;
2624 break;
2625 case QEMU_OPTION_redir:
2626 if (net_slirp_redir(optarg) < 0)
2627 exit(1);
2628 break;
2629 #endif
2630 case QEMU_OPTION_bt:
2631 add_device_config(DEV_BT, optarg);
2632 break;
2633 case QEMU_OPTION_audio_help:
2634 if (!(audio_available())) {
2635 printf("Option %s not supported for this target\n", popt->name);
2636 exit(1);
2637 }
2638 AUD_help ();
2639 exit (0);
2640 break;
2641 case QEMU_OPTION_soundhw:
2642 if (!(audio_available())) {
2643 printf("Option %s not supported for this target\n", popt->name);
2644 exit(1);
2645 }
2646 select_soundhw (optarg);
2647 break;
2648 case QEMU_OPTION_h:
2649 help(0);
2650 break;
2651 case QEMU_OPTION_version:
2652 version();
2653 exit(0);
2654 break;
2655 case QEMU_OPTION_m: {
2656 int64_t value;
2657 char *end;
2658
2659 value = strtosz(optarg, &end);
2660 if (value < 0 || *end) {
2661 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2662 exit(1);
2663 }
2664
2665 if (value != (uint64_t)(ram_addr_t)value) {
2666 fprintf(stderr, "qemu: ram size too large\n");
2667 exit(1);
2668 }
2669 ram_size = value;
2670 break;
2671 }
2672 case QEMU_OPTION_mempath:
2673 mem_path = optarg;
2674 break;
2675 #ifdef MAP_POPULATE
2676 case QEMU_OPTION_mem_prealloc:
2677 mem_prealloc = 1;
2678 break;
2679 #endif
2680 case QEMU_OPTION_d:
2681 log_mask = optarg;
2682 break;
2683 case QEMU_OPTION_D:
2684 log_file = optarg;
2685 break;
2686 case QEMU_OPTION_s:
2687 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2688 break;
2689 case QEMU_OPTION_gdb:
2690 add_device_config(DEV_GDB, optarg);
2691 break;
2692 case QEMU_OPTION_L:
2693 data_dir = optarg;
2694 break;
2695 case QEMU_OPTION_bios:
2696 bios_name = optarg;
2697 break;
2698 case QEMU_OPTION_singlestep:
2699 singlestep = 1;
2700 break;
2701 case QEMU_OPTION_S:
2702 autostart = 0;
2703 break;
2704 case QEMU_OPTION_k:
2705 keyboard_layout = optarg;
2706 break;
2707 case QEMU_OPTION_localtime:
2708 rtc_utc = 0;
2709 break;
2710 case QEMU_OPTION_vga:
2711 vga_model = optarg;
2712 break;
2713 case QEMU_OPTION_g:
2714 {
2715 const char *p;
2716 int w, h, depth;
2717 p = optarg;
2718 w = strtol(p, (char **)&p, 10);
2719 if (w <= 0) {
2720 graphic_error:
2721 fprintf(stderr, "qemu: invalid resolution or depth\n");
2722 exit(1);
2723 }
2724 if (*p != 'x')
2725 goto graphic_error;
2726 p++;
2727 h = strtol(p, (char **)&p, 10);
2728 if (h <= 0)
2729 goto graphic_error;
2730 if (*p == 'x') {
2731 p++;
2732 depth = strtol(p, (char **)&p, 10);
2733 if (depth != 8 && depth != 15 && depth != 16 &&
2734 depth != 24 && depth != 32)
2735 goto graphic_error;
2736 } else if (*p == '\0') {
2737 depth = graphic_depth;
2738 } else {
2739 goto graphic_error;
2740 }
2741
2742 graphic_width = w;
2743 graphic_height = h;
2744 graphic_depth = depth;
2745 }
2746 break;
2747 case QEMU_OPTION_echr:
2748 {
2749 char *r;
2750 term_escape_char = strtol(optarg, &r, 0);
2751 if (r == optarg)
2752 printf("Bad argument to echr\n");
2753 break;
2754 }
2755 case QEMU_OPTION_monitor:
2756 monitor_parse(optarg, "readline");
2757 default_monitor = 0;
2758 break;
2759 case QEMU_OPTION_qmp:
2760 monitor_parse(optarg, "control");
2761 default_monitor = 0;
2762 break;
2763 case QEMU_OPTION_mon:
2764 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2765 if (!opts) {
2766 exit(1);
2767 }
2768 default_monitor = 0;
2769 break;
2770 case QEMU_OPTION_chardev:
2771 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2772 if (!opts) {
2773 exit(1);
2774 }
2775 break;
2776 case QEMU_OPTION_fsdev:
2777 olist = qemu_find_opts("fsdev");
2778 if (!olist) {
2779 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2780 exit(1);
2781 }
2782 opts = qemu_opts_parse(olist, optarg, 1);
2783 if (!opts) {
2784 fprintf(stderr, "parse error: %s\n", optarg);
2785 exit(1);
2786 }
2787 break;
2788 case QEMU_OPTION_virtfs: {
2789 QemuOpts *fsdev;
2790 QemuOpts *device;
2791 const char *writeout, *sock_fd, *socket;
2792
2793 olist = qemu_find_opts("virtfs");
2794 if (!olist) {
2795 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2796 exit(1);
2797 }
2798 opts = qemu_opts_parse(olist, optarg, 1);
2799 if (!opts) {
2800 fprintf(stderr, "parse error: %s\n", optarg);
2801 exit(1);
2802 }
2803
2804 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2805 qemu_opt_get(opts, "mount_tag") == NULL) {
2806 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2807 exit(1);
2808 }
2809 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2810 qemu_opt_get(opts, "mount_tag"), 1);
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 qemu_opt_set(device, "driver", "virtio-9p-pci");
2844 qemu_opt_set(device, "fsdev",
2845 qemu_opt_get(opts, "mount_tag"));
2846 qemu_opt_set(device, "mount_tag",
2847 qemu_opt_get(opts, "mount_tag"));
2848 break;
2849 }
2850 case QEMU_OPTION_virtfs_synth: {
2851 QemuOpts *fsdev;
2852 QemuOpts *device;
2853
2854 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2855 if (!fsdev) {
2856 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2857 exit(1);
2858 }
2859 qemu_opt_set(fsdev, "fsdriver", "synth");
2860
2861 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2862 qemu_opt_set(device, "driver", "virtio-9p-pci");
2863 qemu_opt_set(device, "fsdev", "v_synth");
2864 qemu_opt_set(device, "mount_tag", "v_synth");
2865 break;
2866 }
2867 case QEMU_OPTION_serial:
2868 add_device_config(DEV_SERIAL, optarg);
2869 default_serial = 0;
2870 if (strncmp(optarg, "mon:", 4) == 0) {
2871 default_monitor = 0;
2872 }
2873 break;
2874 case QEMU_OPTION_watchdog:
2875 if (watchdog) {
2876 fprintf(stderr,
2877 "qemu: only one watchdog option may be given\n");
2878 return 1;
2879 }
2880 watchdog = optarg;
2881 break;
2882 case QEMU_OPTION_watchdog_action:
2883 if (select_watchdog_action(optarg) == -1) {
2884 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2885 exit(1);
2886 }
2887 break;
2888 case QEMU_OPTION_virtiocon:
2889 add_device_config(DEV_VIRTCON, optarg);
2890 default_virtcon = 0;
2891 if (strncmp(optarg, "mon:", 4) == 0) {
2892 default_monitor = 0;
2893 }
2894 break;
2895 case QEMU_OPTION_parallel:
2896 add_device_config(DEV_PARALLEL, optarg);
2897 default_parallel = 0;
2898 if (strncmp(optarg, "mon:", 4) == 0) {
2899 default_monitor = 0;
2900 }
2901 break;
2902 case QEMU_OPTION_debugcon:
2903 add_device_config(DEV_DEBUGCON, optarg);
2904 break;
2905 case QEMU_OPTION_loadvm:
2906 loadvm = optarg;
2907 break;
2908 case QEMU_OPTION_full_screen:
2909 full_screen = 1;
2910 break;
2911 #ifdef CONFIG_SDL
2912 case QEMU_OPTION_no_frame:
2913 no_frame = 1;
2914 break;
2915 case QEMU_OPTION_alt_grab:
2916 alt_grab = 1;
2917 break;
2918 case QEMU_OPTION_ctrl_grab:
2919 ctrl_grab = 1;
2920 break;
2921 case QEMU_OPTION_no_quit:
2922 no_quit = 1;
2923 break;
2924 case QEMU_OPTION_sdl:
2925 display_type = DT_SDL;
2926 break;
2927 #else
2928 case QEMU_OPTION_no_frame:
2929 case QEMU_OPTION_alt_grab:
2930 case QEMU_OPTION_ctrl_grab:
2931 case QEMU_OPTION_no_quit:
2932 case QEMU_OPTION_sdl:
2933 fprintf(stderr, "SDL support is disabled\n");
2934 exit(1);
2935 #endif
2936 case QEMU_OPTION_pidfile:
2937 pid_file = optarg;
2938 break;
2939 case QEMU_OPTION_win2k_hack:
2940 win2k_install_hack = 1;
2941 break;
2942 case QEMU_OPTION_rtc_td_hack: {
2943 static GlobalProperty slew_lost_ticks[] = {
2944 {
2945 .driver = "mc146818rtc",
2946 .property = "lost_tick_policy",
2947 .value = "slew",
2948 },
2949 { /* end of list */ }
2950 };
2951
2952 qdev_prop_register_global_list(slew_lost_ticks);
2953 break;
2954 }
2955 case QEMU_OPTION_acpitable:
2956 do_acpitable_option(optarg);
2957 break;
2958 case QEMU_OPTION_smbios:
2959 do_smbios_option(optarg);
2960 break;
2961 case QEMU_OPTION_enable_kvm:
2962 olist = qemu_find_opts("machine");
2963 qemu_opts_parse(olist, "accel=kvm", 0);
2964 break;
2965 case QEMU_OPTION_machine:
2966 olist = qemu_find_opts("machine");
2967 opts = qemu_opts_parse(olist, optarg, 1);
2968 if (!opts) {
2969 fprintf(stderr, "parse error: %s\n", optarg);
2970 exit(1);
2971 }
2972 optarg = qemu_opt_get(opts, "type");
2973 if (optarg) {
2974 machine = machine_parse(optarg);
2975 }
2976 break;
2977 case QEMU_OPTION_usb:
2978 usb_enabled = 1;
2979 break;
2980 case QEMU_OPTION_usbdevice:
2981 usb_enabled = 1;
2982 add_device_config(DEV_USB, optarg);
2983 break;
2984 case QEMU_OPTION_device:
2985 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2986 exit(1);
2987 }
2988 break;
2989 case QEMU_OPTION_smp:
2990 smp_parse(optarg);
2991 if (smp_cpus < 1) {
2992 fprintf(stderr, "Invalid number of CPUs\n");
2993 exit(1);
2994 }
2995 if (max_cpus < smp_cpus) {
2996 fprintf(stderr, "maxcpus must be equal to or greater than "
2997 "smp\n");
2998 exit(1);
2999 }
3000 if (max_cpus > 255) {
3001 fprintf(stderr, "Unsupported number of maxcpus\n");
3002 exit(1);
3003 }
3004 break;
3005 case QEMU_OPTION_vnc:
3006 #ifdef CONFIG_VNC
3007 display_remote++;
3008 vnc_display = optarg;
3009 #else
3010 fprintf(stderr, "VNC support is disabled\n");
3011 exit(1);
3012 #endif
3013 break;
3014 case QEMU_OPTION_no_acpi:
3015 acpi_enabled = 0;
3016 break;
3017 case QEMU_OPTION_no_hpet:
3018 no_hpet = 1;
3019 break;
3020 case QEMU_OPTION_balloon:
3021 if (balloon_parse(optarg) < 0) {
3022 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3023 exit(1);
3024 }
3025 break;
3026 case QEMU_OPTION_no_reboot:
3027 no_reboot = 1;
3028 break;
3029 case QEMU_OPTION_no_shutdown:
3030 no_shutdown = 1;
3031 break;
3032 case QEMU_OPTION_show_cursor:
3033 cursor_hide = 0;
3034 break;
3035 case QEMU_OPTION_uuid:
3036 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3037 fprintf(stderr, "Fail to parse UUID string."
3038 " Wrong format.\n");
3039 exit(1);
3040 }
3041 break;
3042 case QEMU_OPTION_option_rom:
3043 if (nb_option_roms >= MAX_OPTION_ROMS) {
3044 fprintf(stderr, "Too many option ROMs\n");
3045 exit(1);
3046 }
3047 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3048 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3049 option_rom[nb_option_roms].bootindex =
3050 qemu_opt_get_number(opts, "bootindex", -1);
3051 if (!option_rom[nb_option_roms].name) {
3052 fprintf(stderr, "Option ROM file is not specified\n");
3053 exit(1);
3054 }
3055 nb_option_roms++;
3056 break;
3057 case QEMU_OPTION_semihosting:
3058 semihosting_enabled = 1;
3059 break;
3060 case QEMU_OPTION_name:
3061 qemu_name = g_strdup(optarg);
3062 {
3063 char *p = strchr(qemu_name, ',');
3064 if (p != NULL) {
3065 *p++ = 0;
3066 if (strncmp(p, "process=", 8)) {
3067 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3068 exit(1);
3069 }
3070 p += 8;
3071 os_set_proc_name(p);
3072 }
3073 }
3074 break;
3075 case QEMU_OPTION_prom_env:
3076 if (nb_prom_envs >= MAX_PROM_ENVS) {
3077 fprintf(stderr, "Too many prom variables\n");
3078 exit(1);
3079 }
3080 prom_envs[nb_prom_envs] = optarg;
3081 nb_prom_envs++;
3082 break;
3083 case QEMU_OPTION_old_param:
3084 old_param = 1;
3085 break;
3086 case QEMU_OPTION_clock:
3087 configure_alarms(optarg);
3088 break;
3089 case QEMU_OPTION_startdate:
3090 configure_rtc_date_offset(optarg, 1);
3091 break;
3092 case QEMU_OPTION_rtc:
3093 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3094 if (!opts) {
3095 exit(1);
3096 }
3097 configure_rtc(opts);
3098 break;
3099 case QEMU_OPTION_tb_size:
3100 tcg_tb_size = strtol(optarg, NULL, 0);
3101 if (tcg_tb_size < 0) {
3102 tcg_tb_size = 0;
3103 }
3104 break;
3105 case QEMU_OPTION_icount:
3106 icount_option = optarg;
3107 break;
3108 case QEMU_OPTION_incoming:
3109 incoming = optarg;
3110 runstate_set(RUN_STATE_INMIGRATE);
3111 break;
3112 case QEMU_OPTION_nodefaults:
3113 default_serial = 0;
3114 default_parallel = 0;
3115 default_virtcon = 0;
3116 default_monitor = 0;
3117 default_net = 0;
3118 default_floppy = 0;
3119 default_cdrom = 0;
3120 default_sdcard = 0;
3121 vga_model = "none";
3122 break;
3123 case QEMU_OPTION_xen_domid:
3124 if (!(xen_available())) {
3125 printf("Option %s not supported for this target\n", popt->name);
3126 exit(1);
3127 }
3128 xen_domid = atoi(optarg);
3129 break;
3130 case QEMU_OPTION_xen_create:
3131 if (!(xen_available())) {
3132 printf("Option %s not supported for this target\n", popt->name);
3133 exit(1);
3134 }
3135 xen_mode = XEN_CREATE;
3136 break;
3137 case QEMU_OPTION_xen_attach:
3138 if (!(xen_available())) {
3139 printf("Option %s not supported for this target\n", popt->name);
3140 exit(1);
3141 }
3142 xen_mode = XEN_ATTACH;
3143 break;
3144 case QEMU_OPTION_trace:
3145 {
3146 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3147 if (!opts) {
3148 exit(1);
3149 }
3150 trace_events = qemu_opt_get(opts, "events");
3151 trace_file = qemu_opt_get(opts, "file");
3152 break;
3153 }
3154 case QEMU_OPTION_readconfig:
3155 {
3156 int ret = qemu_read_config_file(optarg);
3157 if (ret < 0) {
3158 fprintf(stderr, "read config %s: %s\n", optarg,
3159 strerror(-ret));
3160 exit(1);
3161 }
3162 break;
3163 }
3164 case QEMU_OPTION_spice:
3165 olist = qemu_find_opts("spice");
3166 if (!olist) {
3167 fprintf(stderr, "spice is not supported by this qemu build.\n");
3168 exit(1);
3169 }
3170 opts = qemu_opts_parse(olist, optarg, 0);
3171 if (!opts) {
3172 fprintf(stderr, "parse error: %s\n", optarg);
3173 exit(1);
3174 }
3175 break;
3176 case QEMU_OPTION_writeconfig:
3177 {
3178 FILE *fp;
3179 if (strcmp(optarg, "-") == 0) {
3180 fp = stdout;
3181 } else {
3182 fp = fopen(optarg, "w");
3183 if (fp == NULL) {
3184 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3185 exit(1);
3186 }
3187 }
3188 qemu_config_write(fp);
3189 fclose(fp);
3190 break;
3191 }
3192 case QEMU_OPTION_qtest:
3193 qtest_chrdev = optarg;
3194 break;
3195 case QEMU_OPTION_qtest_log:
3196 qtest_log = optarg;
3197 break;
3198 default:
3199 os_parse_cmd_args(popt->index, optarg);
3200 }
3201 }
3202 }
3203 loc_set_none();
3204
3205 /* Init CPU def lists, based on config
3206 * - Must be called after all the qemu_read_config_file() calls
3207 * - Must be called before list_cpus()
3208 * - Must be called before machine->init()
3209 */
3210 cpudef_init();
3211
3212 if (cpu_model && *cpu_model == '?') {
3213 list_cpus(stdout, &fprintf, cpu_model);
3214 exit(0);
3215 }
3216
3217 /* Open the logfile at this point, if necessary. We can't open the logfile
3218 * when encountering either of the logging options (-d or -D) because the
3219 * other one may be encountered later on the command line, changing the
3220 * location or level of logging.
3221 */
3222 if (log_mask) {
3223 if (log_file) {
3224 set_cpu_log_filename(log_file);
3225 }
3226 set_cpu_log(log_mask);
3227 }
3228
3229 if (!trace_backend_init(trace_events, trace_file)) {
3230 exit(1);
3231 }
3232
3233 /* If no data_dir is specified then try to find it relative to the
3234 executable path. */
3235 if (!data_dir) {
3236 data_dir = os_find_datadir(argv[0]);
3237 }
3238 /* If all else fails use the install path specified when building. */
3239 if (!data_dir) {
3240 data_dir = CONFIG_QEMU_DATADIR;
3241 }
3242
3243 if (machine == NULL) {
3244 fprintf(stderr, "No machine found.\n");
3245 exit(1);
3246 }
3247
3248 /*
3249 * Default to max_cpus = smp_cpus, in case the user doesn't
3250 * specify a max_cpus value.
3251 */
3252 if (!max_cpus)
3253 max_cpus = smp_cpus;
3254
3255 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3256 if (smp_cpus > machine->max_cpus) {
3257 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3258 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3259 machine->max_cpus);
3260 exit(1);
3261 }
3262
3263 /*
3264 * Get the default machine options from the machine if it is not already
3265 * specified either by the configuration file or by the command line.
3266 */
3267 if (machine->default_machine_opts) {
3268 qemu_opts_set_defaults(qemu_find_opts("machine"),
3269 machine->default_machine_opts, 0);
3270 }
3271
3272 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3273 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3274
3275 if (machine->no_serial) {
3276 default_serial = 0;
3277 }
3278 if (machine->no_parallel) {
3279 default_parallel = 0;
3280 }
3281 if (!machine->use_virtcon) {
3282 default_virtcon = 0;
3283 }
3284 if (machine->no_floppy) {
3285 default_floppy = 0;
3286 }
3287 if (machine->no_cdrom) {
3288 default_cdrom = 0;
3289 }
3290 if (machine->no_sdcard) {
3291 default_sdcard = 0;
3292 }
3293
3294 if (display_type == DT_NOGRAPHIC) {
3295 if (default_parallel)
3296 add_device_config(DEV_PARALLEL, "null");
3297 if (default_serial && default_monitor) {
3298 add_device_config(DEV_SERIAL, "mon:stdio");
3299 } else if (default_virtcon && default_monitor) {
3300 add_device_config(DEV_VIRTCON, "mon:stdio");
3301 } else {
3302 if (default_serial)
3303 add_device_config(DEV_SERIAL, "stdio");
3304 if (default_virtcon)
3305 add_device_config(DEV_VIRTCON, "stdio");
3306 if (default_monitor)
3307 monitor_parse("stdio", "readline");
3308 }
3309 } else {
3310 if (default_serial)
3311 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3312 if (default_parallel)
3313 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3314 if (default_monitor)
3315 monitor_parse("vc:80Cx24C", "readline");
3316 if (default_virtcon)
3317 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3318 }
3319
3320 socket_init();
3321
3322 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3323 exit(1);
3324 #ifdef CONFIG_VIRTFS
3325 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3326 exit(1);
3327 }
3328 #endif
3329
3330 os_daemonize();
3331
3332 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3333 os_pidfile_error();
3334 exit(1);
3335 }
3336
3337 /* init the memory */
3338 if (ram_size == 0) {
3339 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3340 }
3341
3342 configure_accelerator();
3343
3344 qemu_init_cpu_loop();
3345 if (qemu_init_main_loop()) {
3346 fprintf(stderr, "qemu_init_main_loop failed\n");
3347 exit(1);
3348 }
3349
3350 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3351 if (machine_opts) {
3352 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3353 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3354 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3355 } else {
3356 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3357 }
3358
3359 if (!kernel_cmdline) {
3360 kernel_cmdline = "";
3361 }
3362
3363 linux_boot = (kernel_filename != NULL);
3364
3365 if (!linux_boot && *kernel_cmdline != '\0') {
3366 fprintf(stderr, "-append only allowed with -kernel option\n");
3367 exit(1);
3368 }
3369
3370 if (!linux_boot && initrd_filename != NULL) {
3371 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3372 exit(1);
3373 }
3374
3375 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3376 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3377 exit(1);
3378 }
3379
3380 os_set_line_buffering();
3381
3382 if (init_timer_alarm() < 0) {
3383 fprintf(stderr, "could not initialize alarm timer\n");
3384 exit(1);
3385 }
3386
3387 #ifdef CONFIG_SPICE
3388 /* spice needs the timers to be initialized by this point */
3389 qemu_spice_init();
3390 #endif
3391
3392 if (icount_option && (kvm_enabled() || xen_enabled())) {
3393 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3394 exit(1);
3395 }
3396 configure_icount(icount_option);
3397
3398 if (net_init_clients() < 0) {
3399 exit(1);
3400 }
3401
3402 /* init the bluetooth world */
3403 if (foreach_device_config(DEV_BT, bt_parse))
3404 exit(1);
3405
3406 if (!xen_enabled()) {
3407 /* On 32-bit hosts, QEMU is limited by virtual address space */
3408 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3409 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3410 exit(1);
3411 }
3412 }
3413
3414 cpu_exec_init_all();
3415
3416 bdrv_init_with_whitelist();
3417
3418 blk_mig_init();
3419
3420 /* open the virtual block devices */
3421 if (snapshot)
3422 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3423 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3424 exit(1);
3425
3426 default_drive(default_cdrom, snapshot, machine->use_scsi,
3427 IF_DEFAULT, 2, CDROM_OPTS);
3428 default_drive(default_floppy, snapshot, machine->use_scsi,
3429 IF_FLOPPY, 0, FD_OPTS);
3430 default_drive(default_sdcard, snapshot, machine->use_scsi,
3431 IF_SD, 0, SD_OPTS);
3432
3433 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3434 ram_load, NULL);
3435
3436 if (nb_numa_nodes > 0) {
3437 int i;
3438
3439 if (nb_numa_nodes > MAX_NODES) {
3440 nb_numa_nodes = MAX_NODES;
3441 }
3442
3443 /* If no memory size if given for any node, assume the default case
3444 * and distribute the available memory equally across all nodes
3445 */
3446 for (i = 0; i < nb_numa_nodes; i++) {
3447 if (node_mem[i] != 0)
3448 break;
3449 }
3450 if (i == nb_numa_nodes) {
3451 uint64_t usedmem = 0;
3452
3453 /* On Linux, the each node's border has to be 8MB aligned,
3454 * the final node gets the rest.
3455 */
3456 for (i = 0; i < nb_numa_nodes - 1; i++) {
3457 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3458 usedmem += node_mem[i];
3459 }
3460 node_mem[i] = ram_size - usedmem;
3461 }
3462
3463 for (i = 0; i < nb_numa_nodes; i++) {
3464 if (node_cpumask[i] != 0)
3465 break;
3466 }
3467 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3468 * must cope with this anyway, because there are BIOSes out there in
3469 * real machines which also use this scheme.
3470 */
3471 if (i == nb_numa_nodes) {
3472 for (i = 0; i < max_cpus; i++) {
3473 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3474 }
3475 }
3476 }
3477
3478 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3479 exit(1);
3480 }
3481
3482 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3483 exit(1);
3484 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3485 exit(1);
3486 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3487 exit(1);
3488 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3489 exit(1);
3490
3491 /* must be after qdev registration but before machine init */
3492 if (vga_model) {
3493 select_vgahw(vga_model);
3494 } else if (cirrus_vga_available()) {
3495 select_vgahw("cirrus");
3496 } else {
3497 select_vgahw("none");
3498 }
3499
3500 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3501 exit(0);
3502
3503 if (watchdog) {
3504 i = select_watchdog(watchdog);
3505 if (i > 0)
3506 exit (i == 1 ? 1 : 0);
3507 }
3508
3509 if (machine->compat_props) {
3510 qdev_prop_register_global_list(machine->compat_props);
3511 }
3512 qemu_add_globals();
3513
3514 qdev_machine_init();
3515
3516 machine->init(ram_size, boot_devices,
3517 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3518
3519 cpu_synchronize_all_post_init();
3520
3521 set_numa_modes();
3522
3523 current_machine = machine;
3524
3525 /* init USB devices */
3526 if (usb_enabled) {
3527 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3528 exit(1);
3529 }
3530
3531 /* init generic devices */
3532 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3533 exit(1);
3534
3535 net_check_clients();
3536
3537 /* just use the first displaystate for the moment */
3538 ds = get_displaystate();
3539
3540 if (using_spice)
3541 display_remote++;
3542 if (display_type == DT_DEFAULT && !display_remote) {
3543 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3544 display_type = DT_SDL;
3545 #elif defined(CONFIG_VNC)
3546 vnc_display = "localhost:0,to=99";
3547 show_vnc_port = 1;
3548 #else
3549 display_type = DT_NONE;
3550 #endif
3551 }
3552
3553
3554 /* init local displays */
3555 switch (display_type) {
3556 case DT_NOGRAPHIC:
3557 break;
3558 #if defined(CONFIG_CURSES)
3559 case DT_CURSES:
3560 curses_display_init(ds, full_screen);
3561 break;
3562 #endif
3563 #if defined(CONFIG_SDL)
3564 case DT_SDL:
3565 sdl_display_init(ds, full_screen, no_frame);
3566 break;
3567 #elif defined(CONFIG_COCOA)
3568 case DT_SDL:
3569 cocoa_display_init(ds, full_screen);
3570 break;
3571 #endif
3572 default:
3573 break;
3574 }
3575
3576 /* must be after terminal init, SDL library changes signal handlers */
3577 os_setup_signal_handling();
3578
3579 #ifdef CONFIG_VNC
3580 /* init remote displays */
3581 if (vnc_display) {
3582 vnc_display_init(ds);
3583 if (vnc_display_open(ds, vnc_display) < 0)
3584 exit(1);
3585
3586 if (show_vnc_port) {
3587 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3588 }
3589 }
3590 #endif
3591 #ifdef CONFIG_SPICE
3592 if (using_spice && !qxl_enabled) {
3593 qemu_spice_display_init(ds);
3594 }
3595 #endif
3596
3597 /* display setup */
3598 dpy_resize(ds);
3599 dcl = ds->listeners;
3600 while (dcl != NULL) {
3601 if (dcl->dpy_refresh != NULL) {
3602 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3603 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3604 break;
3605 }
3606 dcl = dcl->next;
3607 }
3608 text_consoles_set_display(ds);
3609
3610 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3611 exit(1);
3612 }
3613
3614 qdev_machine_creation_done();
3615
3616 if (rom_load_all() != 0) {
3617 fprintf(stderr, "rom loading failed\n");
3618 exit(1);
3619 }
3620
3621 /* TODO: once all bus devices are qdevified, this should be done
3622 * when bus is created by qdev.c */
3623 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3624 qemu_run_machine_init_done_notifiers();
3625
3626 qemu_system_reset(VMRESET_SILENT);
3627 if (loadvm) {
3628 if (load_vmstate(loadvm) < 0) {
3629 autostart = 0;
3630 }
3631 }
3632
3633 if (incoming) {
3634 int ret = qemu_start_incoming_migration(incoming);
3635 if (ret < 0) {
3636 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3637 incoming, ret);
3638 exit(ret);
3639 }
3640 } else if (autostart) {
3641 vm_start();
3642 }
3643
3644 os_setup_post();
3645
3646 resume_all_vcpus();
3647 main_loop();
3648 bdrv_close_all();
3649 pause_all_vcpus();
3650 net_cleanup();
3651 res_free();
3652
3653 return 0;
3654 }
QEmu