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Merge remote-tracking branch 'bonzini/scsi-next' into staging
[qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31 #include "bitmap.h"
32
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
35
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66 #ifdef __sun__
67 #include <sys/stat.h>
68 #include <sys/ethernet.h>
69 #include <sys/sockio.h>
70 #include <netinet/arp.h>
71 #include <netinet/in_systm.h>
72 #include <netinet/ip.h>
73 #include <netinet/ip_icmp.h> // must come after ip.h
74 #include <netinet/udp.h>
75 #include <netinet/tcp.h>
76 #include <net/if.h>
77 #include <syslog.h>
78 #include <stropts.h>
79 #endif
80 #endif
81 #endif
82
83 #if defined(CONFIG_VDE)
84 #include <libvdeplug.h>
85 #endif
86
87 #ifdef _WIN32
88 #include <windows.h>
89 #endif
90
91 #ifdef CONFIG_SDL
92 #if defined(__APPLE__) || defined(main)
93 #include <SDL.h>
94 int qemu_main(int argc, char **argv, char **envp);
95 int main(int argc, char **argv)
96 {
97 return qemu_main(argc, argv, NULL);
98 }
99 #undef main
100 #define main qemu_main
101 #endif
102 #endif /* CONFIG_SDL */
103
104 #ifdef CONFIG_COCOA
105 #undef main
106 #define main qemu_main
107 #endif /* CONFIG_COCOA */
108
109 #include <glib.h>
110
111 #include "hw/hw.h"
112 #include "hw/boards.h"
113 #include "hw/usb.h"
114 #include "hw/pcmcia.h"
115 #include "hw/pc.h"
116 #include "hw/isa.h"
117 #include "hw/baum.h"
118 #include "hw/bt.h"
119 #include "hw/watchdog.h"
120 #include "hw/smbios.h"
121 #include "hw/xen.h"
122 #include "hw/qdev.h"
123 #include "hw/loader.h"
124 #include "bt-host.h"
125 #include "net.h"
126 #include "net/slirp.h"
127 #include "monitor.h"
128 #include "console.h"
129 #include "sysemu.h"
130 #include "gdbstub.h"
131 #include "qemu-timer.h"
132 #include "qemu-char.h"
133 #include "cache-utils.h"
134 #include "blockdev.h"
135 #include "hw/block-common.h"
136 #include "block-migration.h"
137 #include "dma.h"
138 #include "audio/audio.h"
139 #include "migration.h"
140 #include "kvm.h"
141 #include "qjson.h"
142 #include "qemu-option.h"
143 #include "qemu-config.h"
144 #include "qemu-options.h"
145 #include "qmp-commands.h"
146 #include "main-loop.h"
147 #ifdef CONFIG_VIRTFS
148 #include "fsdev/qemu-fsdev.h"
149 #endif
150 #include "qtest.h"
151
152 #include "disas.h"
153
154 #include "qemu_socket.h"
155
156 #include "slirp/libslirp.h"
157
158 #include "trace.h"
159 #include "trace/control.h"
160 #include "qemu-queue.h"
161 #include "cpus.h"
162 #include "arch_init.h"
163 #include "osdep.h"
164
165 #include "ui/qemu-spice.h"
166
167 //#define DEBUG_NET
168 //#define DEBUG_SLIRP
169
170 #define DEFAULT_RAM_SIZE 128
171
172 #define MAX_VIRTIO_CONSOLES 1
173
174 static const char *data_dir;
175 const char *bios_name = NULL;
176 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
177 DisplayType display_type = DT_DEFAULT;
178 int display_remote = 0;
179 const char* keyboard_layout = NULL;
180 ram_addr_t ram_size;
181 const char *mem_path = NULL;
182 #ifdef MAP_POPULATE
183 int mem_prealloc = 0; /* force preallocation of physical target memory */
184 #endif
185 int nb_nics;
186 NICInfo nd_table[MAX_NICS];
187 int autostart;
188 static int rtc_utc = 1;
189 static int rtc_date_offset = -1; /* -1 means no change */
190 QEMUClock *rtc_clock;
191 int vga_interface_type = VGA_NONE;
192 static int full_screen = 0;
193 #ifdef CONFIG_SDL
194 static int no_frame = 0;
195 #endif
196 int no_quit = 0;
197 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
198 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
199 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
200 int win2k_install_hack = 0;
201 int usb_enabled = 0;
202 int singlestep = 0;
203 int smp_cpus = 1;
204 int max_cpus = 0;
205 int smp_cores = 1;
206 int smp_threads = 1;
207 #ifdef CONFIG_VNC
208 const char *vnc_display;
209 #endif
210 int acpi_enabled = 1;
211 int no_hpet = 0;
212 int fd_bootchk = 1;
213 int no_reboot = 0;
214 int no_shutdown = 0;
215 int cursor_hide = 1;
216 int graphic_rotate = 0;
217 const char *watchdog;
218 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
219 int nb_option_roms;
220 int semihosting_enabled = 0;
221 int old_param = 0;
222 const char *qemu_name;
223 int alt_grab = 0;
224 int ctrl_grab = 0;
225 unsigned int nb_prom_envs = 0;
226 const char *prom_envs[MAX_PROM_ENVS];
227 int boot_menu;
228 uint8_t *boot_splash_filedata;
229 int boot_splash_filedata_size;
230 uint8_t qemu_extra_params_fw[2];
231
232 typedef struct FWBootEntry FWBootEntry;
233
234 struct FWBootEntry {
235 QTAILQ_ENTRY(FWBootEntry) link;
236 int32_t bootindex;
237 DeviceState *dev;
238 char *suffix;
239 };
240
241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
242
243 int nb_numa_nodes;
244 uint64_t node_mem[MAX_NODES];
245 unsigned long *node_cpumask[MAX_NODES];
246
247 uint8_t qemu_uuid[16];
248
249 static QEMUBootSetHandler *boot_set_handler;
250 static void *boot_set_opaque;
251
252 static NotifierList exit_notifiers =
253 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
254
255 static NotifierList machine_init_done_notifiers =
256 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
257
258 static int tcg_allowed = 1;
259 int kvm_allowed = 0;
260 int xen_allowed = 0;
261 uint32_t xen_domid;
262 enum xen_mode xen_mode = XEN_EMULATE;
263 static int tcg_tb_size;
264
265 static int default_serial = 1;
266 static int default_parallel = 1;
267 static int default_virtcon = 1;
268 static int default_monitor = 1;
269 static int default_floppy = 1;
270 static int default_cdrom = 1;
271 static int default_sdcard = 1;
272 static int default_vga = 1;
273
274 static struct {
275 const char *driver;
276 int *flag;
277 } default_list[] = {
278 { .driver = "isa-serial", .flag = &default_serial },
279 { .driver = "isa-parallel", .flag = &default_parallel },
280 { .driver = "isa-fdc", .flag = &default_floppy },
281 { .driver = "ide-cd", .flag = &default_cdrom },
282 { .driver = "ide-hd", .flag = &default_cdrom },
283 { .driver = "ide-drive", .flag = &default_cdrom },
284 { .driver = "scsi-cd", .flag = &default_cdrom },
285 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
286 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
287 { .driver = "virtio-serial", .flag = &default_virtcon },
288 { .driver = "VGA", .flag = &default_vga },
289 { .driver = "isa-vga", .flag = &default_vga },
290 { .driver = "cirrus-vga", .flag = &default_vga },
291 { .driver = "isa-cirrus-vga", .flag = &default_vga },
292 { .driver = "vmware-svga", .flag = &default_vga },
293 { .driver = "qxl-vga", .flag = &default_vga },
294 };
295
296 const char *qemu_get_vm_name(void)
297 {
298 return qemu_name;
299 }
300
301 static void res_free(void)
302 {
303 if (boot_splash_filedata != NULL) {
304 g_free(boot_splash_filedata);
305 boot_splash_filedata = NULL;
306 }
307 }
308
309 static int default_driver_check(QemuOpts *opts, void *opaque)
310 {
311 const char *driver = qemu_opt_get(opts, "driver");
312 int i;
313
314 if (!driver)
315 return 0;
316 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
317 if (strcmp(default_list[i].driver, driver) != 0)
318 continue;
319 *(default_list[i].flag) = 0;
320 }
321 return 0;
322 }
323
324 /***********************************************************/
325 /* QEMU state */
326
327 static RunState current_run_state = RUN_STATE_PRELAUNCH;
328
329 typedef struct {
330 RunState from;
331 RunState to;
332 } RunStateTransition;
333
334 static const RunStateTransition runstate_transitions_def[] = {
335 /* from -> to */
336 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
337
338 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
339 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
340
341 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
342 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
343
344 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
345 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
346
347 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
348 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
349
350 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
351 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
352
353 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
354 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
355 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
356
357 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
358 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
359
360 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
361
362 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
363 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
364 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
365 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
366 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
367 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
368 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
369 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
370 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
371
372 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
373
374 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
375 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
376
377 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
378 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
379 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
380 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
381
382 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
383 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
384
385 { RUN_STATE_MAX, RUN_STATE_MAX },
386 };
387
388 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
389
390 bool runstate_check(RunState state)
391 {
392 return current_run_state == state;
393 }
394
395 void runstate_init(void)
396 {
397 const RunStateTransition *p;
398
399 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
400
401 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
402 runstate_valid_transitions[p->from][p->to] = true;
403 }
404 }
405
406 /* This function will abort() on invalid state transitions */
407 void runstate_set(RunState new_state)
408 {
409 assert(new_state < RUN_STATE_MAX);
410
411 if (!runstate_valid_transitions[current_run_state][new_state]) {
412 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
413 RunState_lookup[current_run_state],
414 RunState_lookup[new_state]);
415 abort();
416 }
417
418 current_run_state = new_state;
419 }
420
421 int runstate_is_running(void)
422 {
423 return runstate_check(RUN_STATE_RUNNING);
424 }
425
426 StatusInfo *qmp_query_status(Error **errp)
427 {
428 StatusInfo *info = g_malloc0(sizeof(*info));
429
430 info->running = runstate_is_running();
431 info->singlestep = singlestep;
432 info->status = current_run_state;
433
434 return info;
435 }
436
437 /***********************************************************/
438 /* real time host monotonic timer */
439
440 /***********************************************************/
441 /* host time/date access */
442 void qemu_get_timedate(struct tm *tm, int offset)
443 {
444 time_t ti;
445 struct tm *ret;
446
447 time(&ti);
448 ti += offset;
449 if (rtc_date_offset == -1) {
450 if (rtc_utc)
451 ret = gmtime(&ti);
452 else
453 ret = localtime(&ti);
454 } else {
455 ti -= rtc_date_offset;
456 ret = gmtime(&ti);
457 }
458
459 memcpy(tm, ret, sizeof(struct tm));
460 }
461
462 int qemu_timedate_diff(struct tm *tm)
463 {
464 time_t seconds;
465
466 if (rtc_date_offset == -1)
467 if (rtc_utc)
468 seconds = mktimegm(tm);
469 else {
470 struct tm tmp = *tm;
471 tmp.tm_isdst = -1; /* use timezone to figure it out */
472 seconds = mktime(&tmp);
473 }
474 else
475 seconds = mktimegm(tm) + rtc_date_offset;
476
477 return seconds - time(NULL);
478 }
479
480 void rtc_change_mon_event(struct tm *tm)
481 {
482 QObject *data;
483
484 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
485 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
486 qobject_decref(data);
487 }
488
489 static void configure_rtc_date_offset(const char *startdate, int legacy)
490 {
491 time_t rtc_start_date;
492 struct tm tm;
493
494 if (!strcmp(startdate, "now") && legacy) {
495 rtc_date_offset = -1;
496 } else {
497 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
498 &tm.tm_year,
499 &tm.tm_mon,
500 &tm.tm_mday,
501 &tm.tm_hour,
502 &tm.tm_min,
503 &tm.tm_sec) == 6) {
504 /* OK */
505 } else if (sscanf(startdate, "%d-%d-%d",
506 &tm.tm_year,
507 &tm.tm_mon,
508 &tm.tm_mday) == 3) {
509 tm.tm_hour = 0;
510 tm.tm_min = 0;
511 tm.tm_sec = 0;
512 } else {
513 goto date_fail;
514 }
515 tm.tm_year -= 1900;
516 tm.tm_mon--;
517 rtc_start_date = mktimegm(&tm);
518 if (rtc_start_date == -1) {
519 date_fail:
520 fprintf(stderr, "Invalid date format. Valid formats are:\n"
521 "'2006-06-17T16:01:21' or '2006-06-17'\n");
522 exit(1);
523 }
524 rtc_date_offset = time(NULL) - rtc_start_date;
525 }
526 }
527
528 static void configure_rtc(QemuOpts *opts)
529 {
530 const char *value;
531
532 value = qemu_opt_get(opts, "base");
533 if (value) {
534 if (!strcmp(value, "utc")) {
535 rtc_utc = 1;
536 } else if (!strcmp(value, "localtime")) {
537 rtc_utc = 0;
538 } else {
539 configure_rtc_date_offset(value, 0);
540 }
541 }
542 value = qemu_opt_get(opts, "clock");
543 if (value) {
544 if (!strcmp(value, "host")) {
545 rtc_clock = host_clock;
546 } else if (!strcmp(value, "rt")) {
547 rtc_clock = rt_clock;
548 } else if (!strcmp(value, "vm")) {
549 rtc_clock = vm_clock;
550 } else {
551 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
552 exit(1);
553 }
554 }
555 value = qemu_opt_get(opts, "driftfix");
556 if (value) {
557 if (!strcmp(value, "slew")) {
558 static GlobalProperty slew_lost_ticks[] = {
559 {
560 .driver = "mc146818rtc",
561 .property = "lost_tick_policy",
562 .value = "slew",
563 },
564 { /* end of list */ }
565 };
566
567 qdev_prop_register_global_list(slew_lost_ticks);
568 } else if (!strcmp(value, "none")) {
569 /* discard is default */
570 } else {
571 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
572 exit(1);
573 }
574 }
575 }
576
577 /***********************************************************/
578 /* Bluetooth support */
579 static int nb_hcis;
580 static int cur_hci;
581 static struct HCIInfo *hci_table[MAX_NICS];
582
583 static struct bt_vlan_s {
584 struct bt_scatternet_s net;
585 int id;
586 struct bt_vlan_s *next;
587 } *first_bt_vlan;
588
589 /* find or alloc a new bluetooth "VLAN" */
590 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
591 {
592 struct bt_vlan_s **pvlan, *vlan;
593 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
594 if (vlan->id == id)
595 return &vlan->net;
596 }
597 vlan = g_malloc0(sizeof(struct bt_vlan_s));
598 vlan->id = id;
599 pvlan = &first_bt_vlan;
600 while (*pvlan != NULL)
601 pvlan = &(*pvlan)->next;
602 *pvlan = vlan;
603 return &vlan->net;
604 }
605
606 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
607 {
608 }
609
610 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
611 {
612 return -ENOTSUP;
613 }
614
615 static struct HCIInfo null_hci = {
616 .cmd_send = null_hci_send,
617 .sco_send = null_hci_send,
618 .acl_send = null_hci_send,
619 .bdaddr_set = null_hci_addr_set,
620 };
621
622 struct HCIInfo *qemu_next_hci(void)
623 {
624 if (cur_hci == nb_hcis)
625 return &null_hci;
626
627 return hci_table[cur_hci++];
628 }
629
630 static struct HCIInfo *hci_init(const char *str)
631 {
632 char *endp;
633 struct bt_scatternet_s *vlan = 0;
634
635 if (!strcmp(str, "null"))
636 /* null */
637 return &null_hci;
638 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
639 /* host[:hciN] */
640 return bt_host_hci(str[4] ? str + 5 : "hci0");
641 else if (!strncmp(str, "hci", 3)) {
642 /* hci[,vlan=n] */
643 if (str[3]) {
644 if (!strncmp(str + 3, ",vlan=", 6)) {
645 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
646 if (*endp)
647 vlan = 0;
648 }
649 } else
650 vlan = qemu_find_bt_vlan(0);
651 if (vlan)
652 return bt_new_hci(vlan);
653 }
654
655 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
656
657 return 0;
658 }
659
660 static int bt_hci_parse(const char *str)
661 {
662 struct HCIInfo *hci;
663 bdaddr_t bdaddr;
664
665 if (nb_hcis >= MAX_NICS) {
666 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
667 return -1;
668 }
669
670 hci = hci_init(str);
671 if (!hci)
672 return -1;
673
674 bdaddr.b[0] = 0x52;
675 bdaddr.b[1] = 0x54;
676 bdaddr.b[2] = 0x00;
677 bdaddr.b[3] = 0x12;
678 bdaddr.b[4] = 0x34;
679 bdaddr.b[5] = 0x56 + nb_hcis;
680 hci->bdaddr_set(hci, bdaddr.b);
681
682 hci_table[nb_hcis++] = hci;
683
684 return 0;
685 }
686
687 static void bt_vhci_add(int vlan_id)
688 {
689 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
690
691 if (!vlan->slave)
692 fprintf(stderr, "qemu: warning: adding a VHCI to "
693 "an empty scatternet %i\n", vlan_id);
694
695 bt_vhci_init(bt_new_hci(vlan));
696 }
697
698 static struct bt_device_s *bt_device_add(const char *opt)
699 {
700 struct bt_scatternet_s *vlan;
701 int vlan_id = 0;
702 char *endp = strstr(opt, ",vlan=");
703 int len = (endp ? endp - opt : strlen(opt)) + 1;
704 char devname[10];
705
706 pstrcpy(devname, MIN(sizeof(devname), len), opt);
707
708 if (endp) {
709 vlan_id = strtol(endp + 6, &endp, 0);
710 if (*endp) {
711 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
712 return 0;
713 }
714 }
715
716 vlan = qemu_find_bt_vlan(vlan_id);
717
718 if (!vlan->slave)
719 fprintf(stderr, "qemu: warning: adding a slave device to "
720 "an empty scatternet %i\n", vlan_id);
721
722 if (!strcmp(devname, "keyboard"))
723 return bt_keyboard_init(vlan);
724
725 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
726 return 0;
727 }
728
729 static int bt_parse(const char *opt)
730 {
731 const char *endp, *p;
732 int vlan;
733
734 if (strstart(opt, "hci", &endp)) {
735 if (!*endp || *endp == ',') {
736 if (*endp)
737 if (!strstart(endp, ",vlan=", 0))
738 opt = endp + 1;
739
740 return bt_hci_parse(opt);
741 }
742 } else if (strstart(opt, "vhci", &endp)) {
743 if (!*endp || *endp == ',') {
744 if (*endp) {
745 if (strstart(endp, ",vlan=", &p)) {
746 vlan = strtol(p, (char **) &endp, 0);
747 if (*endp) {
748 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
749 return 1;
750 }
751 } else {
752 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
753 return 1;
754 }
755 } else
756 vlan = 0;
757
758 bt_vhci_add(vlan);
759 return 0;
760 }
761 } else if (strstart(opt, "device:", &endp))
762 return !bt_device_add(endp);
763
764 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
765 return 1;
766 }
767
768 /***********************************************************/
769 /* QEMU Block devices */
770
771 #define HD_OPTS "media=disk"
772 #define CDROM_OPTS "media=cdrom"
773 #define FD_OPTS ""
774 #define PFLASH_OPTS ""
775 #define MTD_OPTS ""
776 #define SD_OPTS ""
777
778 static int drive_init_func(QemuOpts *opts, void *opaque)
779 {
780 int *use_scsi = opaque;
781
782 return drive_init(opts, *use_scsi) == NULL;
783 }
784
785 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
786 {
787 if (NULL == qemu_opt_get(opts, "snapshot")) {
788 qemu_opt_set(opts, "snapshot", "on");
789 }
790 return 0;
791 }
792
793 static void default_drive(int enable, int snapshot, int use_scsi,
794 BlockInterfaceType type, int index,
795 const char *optstr)
796 {
797 QemuOpts *opts;
798
799 if (type == IF_DEFAULT) {
800 type = use_scsi ? IF_SCSI : IF_IDE;
801 }
802
803 if (!enable || drive_get_by_index(type, index)) {
804 return;
805 }
806
807 opts = drive_add(type, index, NULL, optstr);
808 if (snapshot) {
809 drive_enable_snapshot(opts, NULL);
810 }
811 if (!drive_init(opts, use_scsi)) {
812 exit(1);
813 }
814 }
815
816 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
817 {
818 boot_set_handler = func;
819 boot_set_opaque = opaque;
820 }
821
822 int qemu_boot_set(const char *boot_devices)
823 {
824 if (!boot_set_handler) {
825 return -EINVAL;
826 }
827 return boot_set_handler(boot_set_opaque, boot_devices);
828 }
829
830 static void validate_bootdevices(char *devices)
831 {
832 /* We just do some generic consistency checks */
833 const char *p;
834 int bitmap = 0;
835
836 for (p = devices; *p != '\0'; p++) {
837 /* Allowed boot devices are:
838 * a-b: floppy disk drives
839 * c-f: IDE disk drives
840 * g-m: machine implementation dependent drives
841 * n-p: network devices
842 * It's up to each machine implementation to check if the given boot
843 * devices match the actual hardware implementation and firmware
844 * features.
845 */
846 if (*p < 'a' || *p > 'p') {
847 fprintf(stderr, "Invalid boot device '%c'\n", *p);
848 exit(1);
849 }
850 if (bitmap & (1 << (*p - 'a'))) {
851 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
852 exit(1);
853 }
854 bitmap |= 1 << (*p - 'a');
855 }
856 }
857
858 static void restore_boot_devices(void *opaque)
859 {
860 char *standard_boot_devices = opaque;
861 static int first = 1;
862
863 /* Restore boot order and remove ourselves after the first boot */
864 if (first) {
865 first = 0;
866 return;
867 }
868
869 qemu_boot_set(standard_boot_devices);
870
871 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
872 g_free(standard_boot_devices);
873 }
874
875 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
876 const char *suffix)
877 {
878 FWBootEntry *node, *i;
879
880 if (bootindex < 0) {
881 return;
882 }
883
884 assert(dev != NULL || suffix != NULL);
885
886 node = g_malloc0(sizeof(FWBootEntry));
887 node->bootindex = bootindex;
888 node->suffix = suffix ? g_strdup(suffix) : NULL;
889 node->dev = dev;
890
891 QTAILQ_FOREACH(i, &fw_boot_order, link) {
892 if (i->bootindex == bootindex) {
893 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
894 exit(1);
895 } else if (i->bootindex < bootindex) {
896 continue;
897 }
898 QTAILQ_INSERT_BEFORE(i, node, link);
899 return;
900 }
901 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
902 }
903
904 /*
905 * This function returns null terminated string that consist of new line
906 * separated device paths.
907 *
908 * memory pointed by "size" is assigned total length of the array in bytes
909 *
910 */
911 char *get_boot_devices_list(uint32_t *size)
912 {
913 FWBootEntry *i;
914 uint32_t total = 0;
915 char *list = NULL;
916
917 QTAILQ_FOREACH(i, &fw_boot_order, link) {
918 char *devpath = NULL, *bootpath;
919 int len;
920
921 if (i->dev) {
922 devpath = qdev_get_fw_dev_path(i->dev);
923 assert(devpath);
924 }
925
926 if (i->suffix && devpath) {
927 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
928
929 bootpath = g_malloc(bootpathlen);
930 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
931 g_free(devpath);
932 } else if (devpath) {
933 bootpath = devpath;
934 } else {
935 assert(i->suffix);
936 bootpath = g_strdup(i->suffix);
937 }
938
939 if (total) {
940 list[total-1] = '\n';
941 }
942 len = strlen(bootpath) + 1;
943 list = g_realloc(list, total + len);
944 memcpy(&list[total], bootpath, len);
945 total += len;
946 g_free(bootpath);
947 }
948
949 *size = total;
950
951 return list;
952 }
953
954 static void numa_add(const char *optarg)
955 {
956 char option[128];
957 char *endptr;
958 unsigned long long value, endvalue;
959 int nodenr;
960
961 value = endvalue = 0ULL;
962
963 optarg = get_opt_name(option, 128, optarg, ',') + 1;
964 if (!strcmp(option, "node")) {
965 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
966 nodenr = nb_numa_nodes;
967 } else {
968 nodenr = strtoull(option, NULL, 10);
969 }
970
971 if (get_param_value(option, 128, "mem", optarg) == 0) {
972 node_mem[nodenr] = 0;
973 } else {
974 int64_t sval;
975 sval = strtosz(option, &endptr);
976 if (sval < 0 || *endptr) {
977 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
978 exit(1);
979 }
980 node_mem[nodenr] = sval;
981 }
982 if (get_param_value(option, 128, "cpus", optarg) != 0) {
983 value = strtoull(option, &endptr, 10);
984 if (*endptr == '-') {
985 endvalue = strtoull(endptr+1, &endptr, 10);
986 } else {
987 endvalue = value;
988 }
989
990 if (!(endvalue < MAX_CPUMASK_BITS)) {
991 endvalue = MAX_CPUMASK_BITS - 1;
992 fprintf(stderr,
993 "A max of %d CPUs are supported in a guest\n",
994 MAX_CPUMASK_BITS);
995 }
996
997 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
998 }
999 nb_numa_nodes++;
1000 }
1001 return;
1002 }
1003
1004 static void smp_parse(const char *optarg)
1005 {
1006 int smp, sockets = 0, threads = 0, cores = 0;
1007 char *endptr;
1008 char option[128];
1009
1010 smp = strtoul(optarg, &endptr, 10);
1011 if (endptr != optarg) {
1012 if (*endptr == ',') {
1013 endptr++;
1014 }
1015 }
1016 if (get_param_value(option, 128, "sockets", endptr) != 0)
1017 sockets = strtoull(option, NULL, 10);
1018 if (get_param_value(option, 128, "cores", endptr) != 0)
1019 cores = strtoull(option, NULL, 10);
1020 if (get_param_value(option, 128, "threads", endptr) != 0)
1021 threads = strtoull(option, NULL, 10);
1022 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1023 max_cpus = strtoull(option, NULL, 10);
1024
1025 /* compute missing values, prefer sockets over cores over threads */
1026 if (smp == 0 || sockets == 0) {
1027 sockets = sockets > 0 ? sockets : 1;
1028 cores = cores > 0 ? cores : 1;
1029 threads = threads > 0 ? threads : 1;
1030 if (smp == 0) {
1031 smp = cores * threads * sockets;
1032 }
1033 } else {
1034 if (cores == 0) {
1035 threads = threads > 0 ? threads : 1;
1036 cores = smp / (sockets * threads);
1037 } else {
1038 threads = smp / (cores * sockets);
1039 }
1040 }
1041 smp_cpus = smp;
1042 smp_cores = cores > 0 ? cores : 1;
1043 smp_threads = threads > 0 ? threads : 1;
1044 if (max_cpus == 0)
1045 max_cpus = smp_cpus;
1046 }
1047
1048 /***********************************************************/
1049 /* USB devices */
1050
1051 static int usb_device_add(const char *devname)
1052 {
1053 const char *p;
1054 USBDevice *dev = NULL;
1055
1056 if (!usb_enabled)
1057 return -1;
1058
1059 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1060 dev = usbdevice_create(devname);
1061 if (dev)
1062 goto done;
1063
1064 /* the other ones */
1065 #ifndef CONFIG_LINUX
1066 /* only the linux version is qdev-ified, usb-bsd still needs this */
1067 if (strstart(devname, "host:", &p)) {
1068 dev = usb_host_device_open(usb_bus_find(-1), p);
1069 } else
1070 #endif
1071 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1072 dev = usb_bt_init(usb_bus_find(-1),
1073 devname[2] ? hci_init(p)
1074 : bt_new_hci(qemu_find_bt_vlan(0)));
1075 } else {
1076 return -1;
1077 }
1078 if (!dev)
1079 return -1;
1080
1081 done:
1082 return 0;
1083 }
1084
1085 static int usb_device_del(const char *devname)
1086 {
1087 int bus_num, addr;
1088 const char *p;
1089
1090 if (strstart(devname, "host:", &p))
1091 return usb_host_device_close(p);
1092
1093 if (!usb_enabled)
1094 return -1;
1095
1096 p = strchr(devname, '.');
1097 if (!p)
1098 return -1;
1099 bus_num = strtoul(devname, NULL, 0);
1100 addr = strtoul(p + 1, NULL, 0);
1101
1102 return usb_device_delete_addr(bus_num, addr);
1103 }
1104
1105 static int usb_parse(const char *cmdline)
1106 {
1107 int r;
1108 r = usb_device_add(cmdline);
1109 if (r < 0) {
1110 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1111 }
1112 return r;
1113 }
1114
1115 void do_usb_add(Monitor *mon, const QDict *qdict)
1116 {
1117 const char *devname = qdict_get_str(qdict, "devname");
1118 if (usb_device_add(devname) < 0) {
1119 error_report("could not add USB device '%s'", devname);
1120 }
1121 }
1122
1123 void do_usb_del(Monitor *mon, const QDict *qdict)
1124 {
1125 const char *devname = qdict_get_str(qdict, "devname");
1126 if (usb_device_del(devname) < 0) {
1127 error_report("could not delete USB device '%s'", devname);
1128 }
1129 }
1130
1131 /***********************************************************/
1132 /* PCMCIA/Cardbus */
1133
1134 static struct pcmcia_socket_entry_s {
1135 PCMCIASocket *socket;
1136 struct pcmcia_socket_entry_s *next;
1137 } *pcmcia_sockets = 0;
1138
1139 void pcmcia_socket_register(PCMCIASocket *socket)
1140 {
1141 struct pcmcia_socket_entry_s *entry;
1142
1143 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1144 entry->socket = socket;
1145 entry->next = pcmcia_sockets;
1146 pcmcia_sockets = entry;
1147 }
1148
1149 void pcmcia_socket_unregister(PCMCIASocket *socket)
1150 {
1151 struct pcmcia_socket_entry_s *entry, **ptr;
1152
1153 ptr = &pcmcia_sockets;
1154 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1155 if (entry->socket == socket) {
1156 *ptr = entry->next;
1157 g_free(entry);
1158 }
1159 }
1160
1161 void pcmcia_info(Monitor *mon)
1162 {
1163 struct pcmcia_socket_entry_s *iter;
1164
1165 if (!pcmcia_sockets)
1166 monitor_printf(mon, "No PCMCIA sockets\n");
1167
1168 for (iter = pcmcia_sockets; iter; iter = iter->next)
1169 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1170 iter->socket->attached ? iter->socket->card_string :
1171 "Empty");
1172 }
1173
1174 /***********************************************************/
1175 /* machine registration */
1176
1177 static QEMUMachine *first_machine = NULL;
1178 QEMUMachine *current_machine = NULL;
1179
1180 int qemu_register_machine(QEMUMachine *m)
1181 {
1182 QEMUMachine **pm;
1183 pm = &first_machine;
1184 while (*pm != NULL)
1185 pm = &(*pm)->next;
1186 m->next = NULL;
1187 *pm = m;
1188 return 0;
1189 }
1190
1191 static QEMUMachine *find_machine(const char *name)
1192 {
1193 QEMUMachine *m;
1194
1195 for(m = first_machine; m != NULL; m = m->next) {
1196 if (!strcmp(m->name, name))
1197 return m;
1198 if (m->alias && !strcmp(m->alias, name))
1199 return m;
1200 }
1201 return NULL;
1202 }
1203
1204 QEMUMachine *find_default_machine(void)
1205 {
1206 QEMUMachine *m;
1207
1208 for(m = first_machine; m != NULL; m = m->next) {
1209 if (m->is_default) {
1210 return m;
1211 }
1212 }
1213 return NULL;
1214 }
1215
1216 /***********************************************************/
1217 /* main execution loop */
1218
1219 static void gui_update(void *opaque)
1220 {
1221 uint64_t interval = GUI_REFRESH_INTERVAL;
1222 DisplayState *ds = opaque;
1223 DisplayChangeListener *dcl = ds->listeners;
1224
1225 dpy_refresh(ds);
1226
1227 while (dcl != NULL) {
1228 if (dcl->gui_timer_interval &&
1229 dcl->gui_timer_interval < interval)
1230 interval = dcl->gui_timer_interval;
1231 dcl = dcl->next;
1232 }
1233 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1234 }
1235
1236 struct vm_change_state_entry {
1237 VMChangeStateHandler *cb;
1238 void *opaque;
1239 QLIST_ENTRY (vm_change_state_entry) entries;
1240 };
1241
1242 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1243
1244 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1245 void *opaque)
1246 {
1247 VMChangeStateEntry *e;
1248
1249 e = g_malloc0(sizeof (*e));
1250
1251 e->cb = cb;
1252 e->opaque = opaque;
1253 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1254 return e;
1255 }
1256
1257 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1258 {
1259 QLIST_REMOVE (e, entries);
1260 g_free (e);
1261 }
1262
1263 void vm_state_notify(int running, RunState state)
1264 {
1265 VMChangeStateEntry *e;
1266
1267 trace_vm_state_notify(running, state);
1268
1269 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1270 e->cb(e->opaque, running, state);
1271 }
1272 }
1273
1274 void vm_start(void)
1275 {
1276 if (!runstate_is_running()) {
1277 cpu_enable_ticks();
1278 runstate_set(RUN_STATE_RUNNING);
1279 vm_state_notify(1, RUN_STATE_RUNNING);
1280 resume_all_vcpus();
1281 monitor_protocol_event(QEVENT_RESUME, NULL);
1282 }
1283 }
1284
1285 /* reset/shutdown handler */
1286
1287 typedef struct QEMUResetEntry {
1288 QTAILQ_ENTRY(QEMUResetEntry) entry;
1289 QEMUResetHandler *func;
1290 void *opaque;
1291 } QEMUResetEntry;
1292
1293 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1294 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1295 static int reset_requested;
1296 static int shutdown_requested, shutdown_signal = -1;
1297 static pid_t shutdown_pid;
1298 static int powerdown_requested;
1299 static int debug_requested;
1300 static int suspend_requested;
1301 static NotifierList suspend_notifiers =
1302 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1303 static NotifierList wakeup_notifiers =
1304 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1305 static uint32_t wakeup_reason_mask = ~0;
1306 static RunState vmstop_requested = RUN_STATE_MAX;
1307
1308 int qemu_shutdown_requested_get(void)
1309 {
1310 return shutdown_requested;
1311 }
1312
1313 int qemu_reset_requested_get(void)
1314 {
1315 return reset_requested;
1316 }
1317
1318 int qemu_shutdown_requested(void)
1319 {
1320 int r = shutdown_requested;
1321 shutdown_requested = 0;
1322 return r;
1323 }
1324
1325 void qemu_kill_report(void)
1326 {
1327 if (!qtest_enabled() && shutdown_signal != -1) {
1328 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1329 if (shutdown_pid == 0) {
1330 /* This happens for eg ^C at the terminal, so it's worth
1331 * avoiding printing an odd message in that case.
1332 */
1333 fputc('\n', stderr);
1334 } else {
1335 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1336 }
1337 shutdown_signal = -1;
1338 }
1339 }
1340
1341 int qemu_reset_requested(void)
1342 {
1343 int r = reset_requested;
1344 reset_requested = 0;
1345 return r;
1346 }
1347
1348 static int qemu_suspend_requested(void)
1349 {
1350 int r = suspend_requested;
1351 suspend_requested = 0;
1352 return r;
1353 }
1354
1355 int qemu_powerdown_requested(void)
1356 {
1357 int r = powerdown_requested;
1358 powerdown_requested = 0;
1359 return r;
1360 }
1361
1362 static int qemu_debug_requested(void)
1363 {
1364 int r = debug_requested;
1365 debug_requested = 0;
1366 return r;
1367 }
1368
1369 /* We use RUN_STATE_MAX but any invalid value will do */
1370 static bool qemu_vmstop_requested(RunState *r)
1371 {
1372 if (vmstop_requested < RUN_STATE_MAX) {
1373 *r = vmstop_requested;
1374 vmstop_requested = RUN_STATE_MAX;
1375 return true;
1376 }
1377
1378 return false;
1379 }
1380
1381 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1382 {
1383 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1384
1385 re->func = func;
1386 re->opaque = opaque;
1387 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1388 }
1389
1390 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1391 {
1392 QEMUResetEntry *re;
1393
1394 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1395 if (re->func == func && re->opaque == opaque) {
1396 QTAILQ_REMOVE(&reset_handlers, re, entry);
1397 g_free(re);
1398 return;
1399 }
1400 }
1401 }
1402
1403 void qemu_system_reset(bool report)
1404 {
1405 QEMUResetEntry *re, *nre;
1406
1407 /* reset all devices */
1408 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1409 re->func(re->opaque);
1410 }
1411 if (report) {
1412 monitor_protocol_event(QEVENT_RESET, NULL);
1413 }
1414 cpu_synchronize_all_post_reset();
1415 }
1416
1417 void qemu_system_reset_request(void)
1418 {
1419 if (no_reboot) {
1420 shutdown_requested = 1;
1421 } else {
1422 reset_requested = 1;
1423 }
1424 cpu_stop_current();
1425 qemu_notify_event();
1426 }
1427
1428 static void qemu_system_suspend(void)
1429 {
1430 pause_all_vcpus();
1431 notifier_list_notify(&suspend_notifiers, NULL);
1432 runstate_set(RUN_STATE_SUSPENDED);
1433 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1434 }
1435
1436 void qemu_system_suspend_request(void)
1437 {
1438 if (runstate_check(RUN_STATE_SUSPENDED)) {
1439 return;
1440 }
1441 suspend_requested = 1;
1442 cpu_stop_current();
1443 qemu_notify_event();
1444 }
1445
1446 void qemu_register_suspend_notifier(Notifier *notifier)
1447 {
1448 notifier_list_add(&suspend_notifiers, notifier);
1449 }
1450
1451 void qemu_system_wakeup_request(WakeupReason reason)
1452 {
1453 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1454 return;
1455 }
1456 if (!(wakeup_reason_mask & (1 << reason))) {
1457 return;
1458 }
1459 runstate_set(RUN_STATE_RUNNING);
1460 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1461 notifier_list_notify(&wakeup_notifiers, &reason);
1462 reset_requested = 1;
1463 qemu_notify_event();
1464 }
1465
1466 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1467 {
1468 if (enabled) {
1469 wakeup_reason_mask |= (1 << reason);
1470 } else {
1471 wakeup_reason_mask &= ~(1 << reason);
1472 }
1473 }
1474
1475 void qemu_register_wakeup_notifier(Notifier *notifier)
1476 {
1477 notifier_list_add(&wakeup_notifiers, notifier);
1478 }
1479
1480 void qemu_system_killed(int signal, pid_t pid)
1481 {
1482 shutdown_signal = signal;
1483 shutdown_pid = pid;
1484 no_shutdown = 0;
1485 qemu_system_shutdown_request();
1486 }
1487
1488 void qemu_system_shutdown_request(void)
1489 {
1490 shutdown_requested = 1;
1491 qemu_notify_event();
1492 }
1493
1494 void qemu_system_powerdown_request(void)
1495 {
1496 powerdown_requested = 1;
1497 qemu_notify_event();
1498 }
1499
1500 void qemu_system_debug_request(void)
1501 {
1502 debug_requested = 1;
1503 qemu_notify_event();
1504 }
1505
1506 void qemu_system_vmstop_request(RunState state)
1507 {
1508 vmstop_requested = state;
1509 qemu_notify_event();
1510 }
1511
1512 qemu_irq qemu_system_powerdown;
1513
1514 static bool main_loop_should_exit(void)
1515 {
1516 RunState r;
1517 if (qemu_debug_requested()) {
1518 vm_stop(RUN_STATE_DEBUG);
1519 }
1520 if (qemu_suspend_requested()) {
1521 qemu_system_suspend();
1522 }
1523 if (qemu_shutdown_requested()) {
1524 qemu_kill_report();
1525 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1526 if (no_shutdown) {
1527 vm_stop(RUN_STATE_SHUTDOWN);
1528 } else {
1529 return true;
1530 }
1531 }
1532 if (qemu_reset_requested()) {
1533 pause_all_vcpus();
1534 cpu_synchronize_all_states();
1535 qemu_system_reset(VMRESET_REPORT);
1536 resume_all_vcpus();
1537 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1538 runstate_check(RUN_STATE_SHUTDOWN)) {
1539 runstate_set(RUN_STATE_PAUSED);
1540 }
1541 }
1542 if (qemu_powerdown_requested()) {
1543 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1544 qemu_irq_raise(qemu_system_powerdown);
1545 }
1546 if (qemu_vmstop_requested(&r)) {
1547 vm_stop(r);
1548 }
1549 return false;
1550 }
1551
1552 static void main_loop(void)
1553 {
1554 bool nonblocking;
1555 int last_io = 0;
1556 #ifdef CONFIG_PROFILER
1557 int64_t ti;
1558 #endif
1559 do {
1560 nonblocking = !kvm_enabled() && last_io > 0;
1561 #ifdef CONFIG_PROFILER
1562 ti = profile_getclock();
1563 #endif
1564 last_io = main_loop_wait(nonblocking);
1565 #ifdef CONFIG_PROFILER
1566 dev_time += profile_getclock() - ti;
1567 #endif
1568 } while (!main_loop_should_exit());
1569 }
1570
1571 static void version(void)
1572 {
1573 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1574 }
1575
1576 static void help(int exitcode)
1577 {
1578 version();
1579 printf("usage: %s [options] [disk_image]\n\n"
1580 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1581 error_get_progname());
1582
1583 #define QEMU_OPTIONS_GENERATE_HELP
1584 #include "qemu-options-wrapper.h"
1585
1586 printf("\nDuring emulation, the following keys are useful:\n"
1587 "ctrl-alt-f toggle full screen\n"
1588 "ctrl-alt-n switch to virtual console 'n'\n"
1589 "ctrl-alt toggle mouse and keyboard grab\n"
1590 "\n"
1591 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1592
1593 exit(exitcode);
1594 }
1595
1596 #define HAS_ARG 0x0001
1597
1598 typedef struct QEMUOption {
1599 const char *name;
1600 int flags;
1601 int index;
1602 uint32_t arch_mask;
1603 } QEMUOption;
1604
1605 static const QEMUOption qemu_options[] = {
1606 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1607 #define QEMU_OPTIONS_GENERATE_OPTIONS
1608 #include "qemu-options-wrapper.h"
1609 { NULL },
1610 };
1611
1612 static bool vga_available(void)
1613 {
1614 return qdev_exists("VGA") || qdev_exists("isa-vga");
1615 }
1616
1617 static bool cirrus_vga_available(void)
1618 {
1619 return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1620 }
1621
1622 static bool vmware_vga_available(void)
1623 {
1624 return qdev_exists("vmware-svga");
1625 }
1626
1627 static void select_vgahw (const char *p)
1628 {
1629 const char *opts;
1630
1631 vga_interface_type = VGA_NONE;
1632 if (strstart(p, "std", &opts)) {
1633 if (vga_available()) {
1634 vga_interface_type = VGA_STD;
1635 } else {
1636 fprintf(stderr, "Error: standard VGA not available\n");
1637 exit(0);
1638 }
1639 } else if (strstart(p, "cirrus", &opts)) {
1640 if (cirrus_vga_available()) {
1641 vga_interface_type = VGA_CIRRUS;
1642 } else {
1643 fprintf(stderr, "Error: Cirrus VGA not available\n");
1644 exit(0);
1645 }
1646 } else if (strstart(p, "vmware", &opts)) {
1647 if (vmware_vga_available()) {
1648 vga_interface_type = VGA_VMWARE;
1649 } else {
1650 fprintf(stderr, "Error: VMWare SVGA not available\n");
1651 exit(0);
1652 }
1653 } else if (strstart(p, "xenfb", &opts)) {
1654 vga_interface_type = VGA_XENFB;
1655 } else if (strstart(p, "qxl", &opts)) {
1656 vga_interface_type = VGA_QXL;
1657 } else if (!strstart(p, "none", &opts)) {
1658 invalid_vga:
1659 fprintf(stderr, "Unknown vga type: %s\n", p);
1660 exit(1);
1661 }
1662 while (*opts) {
1663 const char *nextopt;
1664
1665 if (strstart(opts, ",retrace=", &nextopt)) {
1666 opts = nextopt;
1667 if (strstart(opts, "dumb", &nextopt))
1668 vga_retrace_method = VGA_RETRACE_DUMB;
1669 else if (strstart(opts, "precise", &nextopt))
1670 vga_retrace_method = VGA_RETRACE_PRECISE;
1671 else goto invalid_vga;
1672 } else goto invalid_vga;
1673 opts = nextopt;
1674 }
1675 }
1676
1677 static DisplayType select_display(const char *p)
1678 {
1679 const char *opts;
1680 DisplayType display = DT_DEFAULT;
1681
1682 if (strstart(p, "sdl", &opts)) {
1683 #ifdef CONFIG_SDL
1684 display = DT_SDL;
1685 while (*opts) {
1686 const char *nextopt;
1687
1688 if (strstart(opts, ",frame=", &nextopt)) {
1689 opts = nextopt;
1690 if (strstart(opts, "on", &nextopt)) {
1691 no_frame = 0;
1692 } else if (strstart(opts, "off", &nextopt)) {
1693 no_frame = 1;
1694 } else {
1695 goto invalid_sdl_args;
1696 }
1697 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1698 opts = nextopt;
1699 if (strstart(opts, "on", &nextopt)) {
1700 alt_grab = 1;
1701 } else if (strstart(opts, "off", &nextopt)) {
1702 alt_grab = 0;
1703 } else {
1704 goto invalid_sdl_args;
1705 }
1706 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1707 opts = nextopt;
1708 if (strstart(opts, "on", &nextopt)) {
1709 ctrl_grab = 1;
1710 } else if (strstart(opts, "off", &nextopt)) {
1711 ctrl_grab = 0;
1712 } else {
1713 goto invalid_sdl_args;
1714 }
1715 } else if (strstart(opts, ",window_close=", &nextopt)) {
1716 opts = nextopt;
1717 if (strstart(opts, "on", &nextopt)) {
1718 no_quit = 0;
1719 } else if (strstart(opts, "off", &nextopt)) {
1720 no_quit = 1;
1721 } else {
1722 goto invalid_sdl_args;
1723 }
1724 } else {
1725 invalid_sdl_args:
1726 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1727 exit(1);
1728 }
1729 opts = nextopt;
1730 }
1731 #else
1732 fprintf(stderr, "SDL support is disabled\n");
1733 exit(1);
1734 #endif
1735 } else if (strstart(p, "vnc", &opts)) {
1736 #ifdef CONFIG_VNC
1737 display_remote++;
1738
1739 if (*opts) {
1740 const char *nextopt;
1741
1742 if (strstart(opts, "=", &nextopt)) {
1743 vnc_display = nextopt;
1744 }
1745 }
1746 if (!vnc_display) {
1747 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1748 exit(1);
1749 }
1750 #else
1751 fprintf(stderr, "VNC support is disabled\n");
1752 exit(1);
1753 #endif
1754 } else if (strstart(p, "curses", &opts)) {
1755 #ifdef CONFIG_CURSES
1756 display = DT_CURSES;
1757 #else
1758 fprintf(stderr, "Curses support is disabled\n");
1759 exit(1);
1760 #endif
1761 } else if (strstart(p, "none", &opts)) {
1762 display = DT_NONE;
1763 } else {
1764 fprintf(stderr, "Unknown display type: %s\n", p);
1765 exit(1);
1766 }
1767
1768 return display;
1769 }
1770
1771 static int balloon_parse(const char *arg)
1772 {
1773 QemuOpts *opts;
1774
1775 if (strcmp(arg, "none") == 0) {
1776 return 0;
1777 }
1778
1779 if (!strncmp(arg, "virtio", 6)) {
1780 if (arg[6] == ',') {
1781 /* have params -> parse them */
1782 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1783 if (!opts)
1784 return -1;
1785 } else {
1786 /* create empty opts */
1787 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1788 }
1789 qemu_opt_set(opts, "driver", "virtio-balloon");
1790 return 0;
1791 }
1792
1793 return -1;
1794 }
1795
1796 char *qemu_find_file(int type, const char *name)
1797 {
1798 int len;
1799 const char *subdir;
1800 char *buf;
1801
1802 /* Try the name as a straight path first */
1803 if (access(name, R_OK) == 0) {
1804 return g_strdup(name);
1805 }
1806 switch (type) {
1807 case QEMU_FILE_TYPE_BIOS:
1808 subdir = "";
1809 break;
1810 case QEMU_FILE_TYPE_KEYMAP:
1811 subdir = "keymaps/";
1812 break;
1813 default:
1814 abort();
1815 }
1816 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1817 buf = g_malloc0(len);
1818 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1819 if (access(buf, R_OK)) {
1820 g_free(buf);
1821 return NULL;
1822 }
1823 return buf;
1824 }
1825
1826 static int device_help_func(QemuOpts *opts, void *opaque)
1827 {
1828 return qdev_device_help(opts);
1829 }
1830
1831 static int device_init_func(QemuOpts *opts, void *opaque)
1832 {
1833 DeviceState *dev;
1834
1835 dev = qdev_device_add(opts);
1836 if (!dev)
1837 return -1;
1838 return 0;
1839 }
1840
1841 static int chardev_init_func(QemuOpts *opts, void *opaque)
1842 {
1843 CharDriverState *chr;
1844
1845 chr = qemu_chr_new_from_opts(opts, NULL);
1846 if (!chr)
1847 return -1;
1848 return 0;
1849 }
1850
1851 #ifdef CONFIG_VIRTFS
1852 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1853 {
1854 int ret;
1855 ret = qemu_fsdev_add(opts);
1856
1857 return ret;
1858 }
1859 #endif
1860
1861 static int mon_init_func(QemuOpts *opts, void *opaque)
1862 {
1863 CharDriverState *chr;
1864 const char *chardev;
1865 const char *mode;
1866 int flags;
1867
1868 mode = qemu_opt_get(opts, "mode");
1869 if (mode == NULL) {
1870 mode = "readline";
1871 }
1872 if (strcmp(mode, "readline") == 0) {
1873 flags = MONITOR_USE_READLINE;
1874 } else if (strcmp(mode, "control") == 0) {
1875 flags = MONITOR_USE_CONTROL;
1876 } else {
1877 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1878 exit(1);
1879 }
1880
1881 if (qemu_opt_get_bool(opts, "pretty", 0))
1882 flags |= MONITOR_USE_PRETTY;
1883
1884 if (qemu_opt_get_bool(opts, "default", 0))
1885 flags |= MONITOR_IS_DEFAULT;
1886
1887 chardev = qemu_opt_get(opts, "chardev");
1888 chr = qemu_chr_find(chardev);
1889 if (chr == NULL) {
1890 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1891 exit(1);
1892 }
1893
1894 monitor_init(chr, flags);
1895 return 0;
1896 }
1897
1898 static void monitor_parse(const char *optarg, const char *mode)
1899 {
1900 static int monitor_device_index = 0;
1901 QemuOpts *opts;
1902 const char *p;
1903 char label[32];
1904 int def = 0;
1905
1906 if (strstart(optarg, "chardev:", &p)) {
1907 snprintf(label, sizeof(label), "%s", p);
1908 } else {
1909 snprintf(label, sizeof(label), "compat_monitor%d",
1910 monitor_device_index);
1911 if (monitor_device_index == 0) {
1912 def = 1;
1913 }
1914 opts = qemu_chr_parse_compat(label, optarg);
1915 if (!opts) {
1916 fprintf(stderr, "parse error: %s\n", optarg);
1917 exit(1);
1918 }
1919 }
1920
1921 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
1922 if (!opts) {
1923 fprintf(stderr, "duplicate chardev: %s\n", label);
1924 exit(1);
1925 }
1926 qemu_opt_set(opts, "mode", mode);
1927 qemu_opt_set(opts, "chardev", label);
1928 if (def)
1929 qemu_opt_set(opts, "default", "on");
1930 monitor_device_index++;
1931 }
1932
1933 struct device_config {
1934 enum {
1935 DEV_USB, /* -usbdevice */
1936 DEV_BT, /* -bt */
1937 DEV_SERIAL, /* -serial */
1938 DEV_PARALLEL, /* -parallel */
1939 DEV_VIRTCON, /* -virtioconsole */
1940 DEV_DEBUGCON, /* -debugcon */
1941 DEV_GDB, /* -gdb, -s */
1942 } type;
1943 const char *cmdline;
1944 Location loc;
1945 QTAILQ_ENTRY(device_config) next;
1946 };
1947 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1948
1949 static void add_device_config(int type, const char *cmdline)
1950 {
1951 struct device_config *conf;
1952
1953 conf = g_malloc0(sizeof(*conf));
1954 conf->type = type;
1955 conf->cmdline = cmdline;
1956 loc_save(&conf->loc);
1957 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1958 }
1959
1960 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1961 {
1962 struct device_config *conf;
1963 int rc;
1964
1965 QTAILQ_FOREACH(conf, &device_configs, next) {
1966 if (conf->type != type)
1967 continue;
1968 loc_push_restore(&conf->loc);
1969 rc = func(conf->cmdline);
1970 loc_pop(&conf->loc);
1971 if (0 != rc)
1972 return rc;
1973 }
1974 return 0;
1975 }
1976
1977 static int serial_parse(const char *devname)
1978 {
1979 static int index = 0;
1980 char label[32];
1981
1982 if (strcmp(devname, "none") == 0)
1983 return 0;
1984 if (index == MAX_SERIAL_PORTS) {
1985 fprintf(stderr, "qemu: too many serial ports\n");
1986 exit(1);
1987 }
1988 snprintf(label, sizeof(label), "serial%d", index);
1989 serial_hds[index] = qemu_chr_new(label, devname, NULL);
1990 if (!serial_hds[index]) {
1991 fprintf(stderr, "qemu: could not connect serial device"
1992 " to character backend '%s'\n", devname);
1993 return -1;
1994 }
1995 index++;
1996 return 0;
1997 }
1998
1999 static int parallel_parse(const char *devname)
2000 {
2001 static int index = 0;
2002 char label[32];
2003
2004 if (strcmp(devname, "none") == 0)
2005 return 0;
2006 if (index == MAX_PARALLEL_PORTS) {
2007 fprintf(stderr, "qemu: too many parallel ports\n");
2008 exit(1);
2009 }
2010 snprintf(label, sizeof(label), "parallel%d", index);
2011 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2012 if (!parallel_hds[index]) {
2013 fprintf(stderr, "qemu: could not connect parallel device"
2014 " to character backend '%s'\n", devname);
2015 return -1;
2016 }
2017 index++;
2018 return 0;
2019 }
2020
2021 static int virtcon_parse(const char *devname)
2022 {
2023 QemuOptsList *device = qemu_find_opts("device");
2024 static int index = 0;
2025 char label[32];
2026 QemuOpts *bus_opts, *dev_opts;
2027
2028 if (strcmp(devname, "none") == 0)
2029 return 0;
2030 if (index == MAX_VIRTIO_CONSOLES) {
2031 fprintf(stderr, "qemu: too many virtio consoles\n");
2032 exit(1);
2033 }
2034
2035 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2036 if (arch_type == QEMU_ARCH_S390X) {
2037 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2038 } else {
2039 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2040 }
2041
2042 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2043 qemu_opt_set(dev_opts, "driver", "virtconsole");
2044
2045 snprintf(label, sizeof(label), "virtcon%d", index);
2046 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2047 if (!virtcon_hds[index]) {
2048 fprintf(stderr, "qemu: could not connect virtio console"
2049 " to character backend '%s'\n", devname);
2050 return -1;
2051 }
2052 qemu_opt_set(dev_opts, "chardev", label);
2053
2054 index++;
2055 return 0;
2056 }
2057
2058 static int debugcon_parse(const char *devname)
2059 {
2060 QemuOpts *opts;
2061
2062 if (!qemu_chr_new("debugcon", devname, NULL)) {
2063 exit(1);
2064 }
2065 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2066 if (!opts) {
2067 fprintf(stderr, "qemu: already have a debugcon device\n");
2068 exit(1);
2069 }
2070 qemu_opt_set(opts, "driver", "isa-debugcon");
2071 qemu_opt_set(opts, "chardev", "debugcon");
2072 return 0;
2073 }
2074
2075 static QEMUMachine *machine_parse(const char *name)
2076 {
2077 QEMUMachine *m, *machine = NULL;
2078
2079 if (name) {
2080 machine = find_machine(name);
2081 }
2082 if (machine) {
2083 return machine;
2084 }
2085 printf("Supported machines are:\n");
2086 for (m = first_machine; m != NULL; m = m->next) {
2087 if (m->alias) {
2088 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2089 }
2090 printf("%-20s %s%s\n", m->name, m->desc,
2091 m->is_default ? " (default)" : "");
2092 }
2093 exit(!name || !is_help_option(name));
2094 }
2095
2096 static int tcg_init(void)
2097 {
2098 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2099 return 0;
2100 }
2101
2102 static struct {
2103 const char *opt_name;
2104 const char *name;
2105 int (*available)(void);
2106 int (*init)(void);
2107 int *allowed;
2108 } accel_list[] = {
2109 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2110 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2111 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2112 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2113 };
2114
2115 static int configure_accelerator(void)
2116 {
2117 const char *p = NULL;
2118 char buf[10];
2119 int i, ret;
2120 bool accel_initialised = 0;
2121 bool init_failed = 0;
2122
2123 QemuOptsList *list = qemu_find_opts("machine");
2124 if (!QTAILQ_EMPTY(&list->head)) {
2125 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2126 }
2127
2128 if (p == NULL) {
2129 /* Use the default "accelerator", tcg */
2130 p = "tcg";
2131 }
2132
2133 while (!accel_initialised && *p != '\0') {
2134 if (*p == ':') {
2135 p++;
2136 }
2137 p = get_opt_name(buf, sizeof (buf), p, ':');
2138 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2139 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2140 *(accel_list[i].allowed) = 1;
2141 ret = accel_list[i].init();
2142 if (ret < 0) {
2143 init_failed = 1;
2144 if (!accel_list[i].available()) {
2145 printf("%s not supported for this target\n",
2146 accel_list[i].name);
2147 } else {
2148 fprintf(stderr, "failed to initialize %s: %s\n",
2149 accel_list[i].name,
2150 strerror(-ret));
2151 }
2152 *(accel_list[i].allowed) = 0;
2153 } else {
2154 accel_initialised = 1;
2155 }
2156 break;
2157 }
2158 }
2159 if (i == ARRAY_SIZE(accel_list)) {
2160 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2161 }
2162 }
2163
2164 if (!accel_initialised) {
2165 fprintf(stderr, "No accelerator found!\n");
2166 exit(1);
2167 }
2168
2169 if (init_failed) {
2170 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2171 }
2172
2173 return !accel_initialised;
2174 }
2175
2176 void qemu_add_exit_notifier(Notifier *notify)
2177 {
2178 notifier_list_add(&exit_notifiers, notify);
2179 }
2180
2181 void qemu_remove_exit_notifier(Notifier *notify)
2182 {
2183 notifier_remove(notify);
2184 }
2185
2186 static void qemu_run_exit_notifiers(void)
2187 {
2188 notifier_list_notify(&exit_notifiers, NULL);
2189 }
2190
2191 void qemu_add_machine_init_done_notifier(Notifier *notify)
2192 {
2193 notifier_list_add(&machine_init_done_notifiers, notify);
2194 }
2195
2196 static void qemu_run_machine_init_done_notifiers(void)
2197 {
2198 notifier_list_notify(&machine_init_done_notifiers, NULL);
2199 }
2200
2201 static const QEMUOption *lookup_opt(int argc, char **argv,
2202 const char **poptarg, int *poptind)
2203 {
2204 const QEMUOption *popt;
2205 int optind = *poptind;
2206 char *r = argv[optind];
2207 const char *optarg;
2208
2209 loc_set_cmdline(argv, optind, 1);
2210 optind++;
2211 /* Treat --foo the same as -foo. */
2212 if (r[1] == '-')
2213 r++;
2214 popt = qemu_options;
2215 for(;;) {
2216 if (!popt->name) {
2217 error_report("invalid option");
2218 exit(1);
2219 }
2220 if (!strcmp(popt->name, r + 1))
2221 break;
2222 popt++;
2223 }
2224 if (popt->flags & HAS_ARG) {
2225 if (optind >= argc) {
2226 error_report("requires an argument");
2227 exit(1);
2228 }
2229 optarg = argv[optind++];
2230 loc_set_cmdline(argv, optind - 2, 2);
2231 } else {
2232 optarg = NULL;
2233 }
2234
2235 *poptarg = optarg;
2236 *poptind = optind;
2237
2238 return popt;
2239 }
2240
2241 static gpointer malloc_and_trace(gsize n_bytes)
2242 {
2243 void *ptr = malloc(n_bytes);
2244 trace_g_malloc(n_bytes, ptr);
2245 return ptr;
2246 }
2247
2248 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2249 {
2250 void *ptr = realloc(mem, n_bytes);
2251 trace_g_realloc(mem, n_bytes, ptr);
2252 return ptr;
2253 }
2254
2255 static void free_and_trace(gpointer mem)
2256 {
2257 trace_g_free(mem);
2258 free(mem);
2259 }
2260
2261 int qemu_init_main_loop(void)
2262 {
2263 return main_loop_init();
2264 }
2265
2266 int main(int argc, char **argv, char **envp)
2267 {
2268 int i;
2269 int snapshot, linux_boot;
2270 const char *icount_option = NULL;
2271 const char *initrd_filename;
2272 const char *kernel_filename, *kernel_cmdline;
2273 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2274 DisplayState *ds;
2275 DisplayChangeListener *dcl;
2276 int cyls, heads, secs, translation;
2277 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2278 QemuOptsList *olist;
2279 int optind;
2280 const char *optarg;
2281 const char *loadvm = NULL;
2282 QEMUMachine *machine;
2283 const char *cpu_model;
2284 const char *vga_model = "none";
2285 const char *pid_file = NULL;
2286 const char *incoming = NULL;
2287 #ifdef CONFIG_VNC
2288 int show_vnc_port = 0;
2289 #endif
2290 bool defconfig = true;
2291 bool userconfig = true;
2292 const char *log_mask = NULL;
2293 const char *log_file = NULL;
2294 GMemVTable mem_trace = {
2295 .malloc = malloc_and_trace,
2296 .realloc = realloc_and_trace,
2297 .free = free_and_trace,
2298 };
2299 const char *trace_events = NULL;
2300 const char *trace_file = NULL;
2301
2302 atexit(qemu_run_exit_notifiers);
2303 error_set_progname(argv[0]);
2304
2305 g_mem_set_vtable(&mem_trace);
2306 if (!g_thread_supported()) {
2307 #if !GLIB_CHECK_VERSION(2, 31, 0)
2308 g_thread_init(NULL);
2309 #else
2310 fprintf(stderr, "glib threading failed to initialize.\n");
2311 exit(1);
2312 #endif
2313 }
2314
2315 module_call_init(MODULE_INIT_QOM);
2316
2317 runstate_init();
2318
2319 init_clocks();
2320 rtc_clock = host_clock;
2321
2322 qemu_cache_utils_init(envp);
2323
2324 QLIST_INIT (&vm_change_state_head);
2325 os_setup_early_signal_handling();
2326
2327 module_call_init(MODULE_INIT_MACHINE);
2328 machine = find_default_machine();
2329 cpu_model = NULL;
2330 ram_size = 0;
2331 snapshot = 0;
2332 cyls = heads = secs = 0;
2333 translation = BIOS_ATA_TRANSLATION_AUTO;
2334
2335 for (i = 0; i < MAX_NODES; i++) {
2336 node_mem[i] = 0;
2337 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2338 }
2339
2340 nb_numa_nodes = 0;
2341 nb_nics = 0;
2342
2343 autostart= 1;
2344
2345 /* first pass of option parsing */
2346 optind = 1;
2347 while (optind < argc) {
2348 if (argv[optind][0] != '-') {
2349 /* disk image */
2350 optind++;
2351 continue;
2352 } else {
2353 const QEMUOption *popt;
2354
2355 popt = lookup_opt(argc, argv, &optarg, &optind);
2356 switch (popt->index) {
2357 case QEMU_OPTION_nodefconfig:
2358 defconfig = false;
2359 break;
2360 case QEMU_OPTION_nouserconfig:
2361 userconfig = false;
2362 break;
2363 }
2364 }
2365 }
2366
2367 if (defconfig) {
2368 int ret;
2369 ret = qemu_read_default_config_files(userconfig);
2370 if (ret < 0) {
2371 exit(1);
2372 }
2373 }
2374
2375 /* second pass of option parsing */
2376 optind = 1;
2377 for(;;) {
2378 if (optind >= argc)
2379 break;
2380 if (argv[optind][0] != '-') {
2381 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2382 } else {
2383 const QEMUOption *popt;
2384
2385 popt = lookup_opt(argc, argv, &optarg, &optind);
2386 if (!(popt->arch_mask & arch_type)) {
2387 printf("Option %s not supported for this target\n", popt->name);
2388 exit(1);
2389 }
2390 switch(popt->index) {
2391 case QEMU_OPTION_M:
2392 machine = machine_parse(optarg);
2393 break;
2394 case QEMU_OPTION_cpu:
2395 /* hw initialization will check this */
2396 cpu_model = optarg;
2397 break;
2398 case QEMU_OPTION_hda:
2399 {
2400 char buf[256];
2401 if (cyls == 0)
2402 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2403 else
2404 snprintf(buf, sizeof(buf),
2405 "%s,cyls=%d,heads=%d,secs=%d%s",
2406 HD_OPTS , cyls, heads, secs,
2407 translation == BIOS_ATA_TRANSLATION_LBA ?
2408 ",trans=lba" :
2409 translation == BIOS_ATA_TRANSLATION_NONE ?
2410 ",trans=none" : "");
2411 drive_add(IF_DEFAULT, 0, optarg, buf);
2412 break;
2413 }
2414 case QEMU_OPTION_hdb:
2415 case QEMU_OPTION_hdc:
2416 case QEMU_OPTION_hdd:
2417 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2418 HD_OPTS);
2419 break;
2420 case QEMU_OPTION_drive:
2421 if (drive_def(optarg) == NULL) {
2422 exit(1);
2423 }
2424 break;
2425 case QEMU_OPTION_set:
2426 if (qemu_set_option(optarg) != 0)
2427 exit(1);
2428 break;
2429 case QEMU_OPTION_global:
2430 if (qemu_global_option(optarg) != 0)
2431 exit(1);
2432 break;
2433 case QEMU_OPTION_mtdblock:
2434 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2435 break;
2436 case QEMU_OPTION_sd:
2437 drive_add(IF_SD, 0, optarg, SD_OPTS);
2438 break;
2439 case QEMU_OPTION_pflash:
2440 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2441 break;
2442 case QEMU_OPTION_snapshot:
2443 snapshot = 1;
2444 break;
2445 case QEMU_OPTION_hdachs:
2446 {
2447 const char *p;
2448 p = optarg;
2449 cyls = strtol(p, (char **)&p, 0);
2450 if (cyls < 1 || cyls > 16383)
2451 goto chs_fail;
2452 if (*p != ',')
2453 goto chs_fail;
2454 p++;
2455 heads = strtol(p, (char **)&p, 0);
2456 if (heads < 1 || heads > 16)
2457 goto chs_fail;
2458 if (*p != ',')
2459 goto chs_fail;
2460 p++;
2461 secs = strtol(p, (char **)&p, 0);
2462 if (secs < 1 || secs > 63)
2463 goto chs_fail;
2464 if (*p == ',') {
2465 p++;
2466 if (!strcmp(p, "none"))
2467 translation = BIOS_ATA_TRANSLATION_NONE;
2468 else if (!strcmp(p, "lba"))
2469 translation = BIOS_ATA_TRANSLATION_LBA;
2470 else if (!strcmp(p, "auto"))
2471 translation = BIOS_ATA_TRANSLATION_AUTO;
2472 else
2473 goto chs_fail;
2474 } else if (*p != '\0') {
2475 chs_fail:
2476 fprintf(stderr, "qemu: invalid physical CHS format\n");
2477 exit(1);
2478 }
2479 if (hda_opts != NULL) {
2480 char num[16];
2481 snprintf(num, sizeof(num), "%d", cyls);
2482 qemu_opt_set(hda_opts, "cyls", num);
2483 snprintf(num, sizeof(num), "%d", heads);
2484 qemu_opt_set(hda_opts, "heads", num);
2485 snprintf(num, sizeof(num), "%d", secs);
2486 qemu_opt_set(hda_opts, "secs", num);
2487 if (translation == BIOS_ATA_TRANSLATION_LBA)
2488 qemu_opt_set(hda_opts, "trans", "lba");
2489 if (translation == BIOS_ATA_TRANSLATION_NONE)
2490 qemu_opt_set(hda_opts, "trans", "none");
2491 }
2492 }
2493 break;
2494 case QEMU_OPTION_numa:
2495 if (nb_numa_nodes >= MAX_NODES) {
2496 fprintf(stderr, "qemu: too many NUMA nodes\n");
2497 exit(1);
2498 }
2499 numa_add(optarg);
2500 break;
2501 case QEMU_OPTION_display:
2502 display_type = select_display(optarg);
2503 break;
2504 case QEMU_OPTION_nographic:
2505 display_type = DT_NOGRAPHIC;
2506 break;
2507 case QEMU_OPTION_curses:
2508 #ifdef CONFIG_CURSES
2509 display_type = DT_CURSES;
2510 #else
2511 fprintf(stderr, "Curses support is disabled\n");
2512 exit(1);
2513 #endif
2514 break;
2515 case QEMU_OPTION_portrait:
2516 graphic_rotate = 90;
2517 break;
2518 case QEMU_OPTION_rotate:
2519 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2520 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2521 graphic_rotate != 180 && graphic_rotate != 270) {
2522 fprintf(stderr,
2523 "qemu: only 90, 180, 270 deg rotation is available\n");
2524 exit(1);
2525 }
2526 break;
2527 case QEMU_OPTION_kernel:
2528 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2529 break;
2530 case QEMU_OPTION_initrd:
2531 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2532 break;
2533 case QEMU_OPTION_append:
2534 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2535 break;
2536 case QEMU_OPTION_dtb:
2537 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2538 break;
2539 case QEMU_OPTION_cdrom:
2540 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2541 break;
2542 case QEMU_OPTION_boot:
2543 {
2544 static const char * const params[] = {
2545 "order", "once", "menu",
2546 "splash", "splash-time", NULL
2547 };
2548 char buf[sizeof(boot_devices)];
2549 char *standard_boot_devices;
2550 int legacy = 0;
2551
2552 if (!strchr(optarg, '=')) {
2553 legacy = 1;
2554 pstrcpy(buf, sizeof(buf), optarg);
2555 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2556 fprintf(stderr,
2557 "qemu: unknown boot parameter '%s' in '%s'\n",
2558 buf, optarg);
2559 exit(1);
2560 }
2561
2562 if (legacy ||
2563 get_param_value(buf, sizeof(buf), "order", optarg)) {
2564 validate_bootdevices(buf);
2565 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2566 }
2567 if (!legacy) {
2568 if (get_param_value(buf, sizeof(buf),
2569 "once", optarg)) {
2570 validate_bootdevices(buf);
2571 standard_boot_devices = g_strdup(boot_devices);
2572 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2573 qemu_register_reset(restore_boot_devices,
2574 standard_boot_devices);
2575 }
2576 if (get_param_value(buf, sizeof(buf),
2577 "menu", optarg)) {
2578 if (!strcmp(buf, "on")) {
2579 boot_menu = 1;
2580 } else if (!strcmp(buf, "off")) {
2581 boot_menu = 0;
2582 } else {
2583 fprintf(stderr,
2584 "qemu: invalid option value '%s'\n",
2585 buf);
2586 exit(1);
2587 }
2588 }
2589 qemu_opts_parse(qemu_find_opts("boot-opts"),
2590 optarg, 0);
2591 }
2592 }
2593 break;
2594 case QEMU_OPTION_fda:
2595 case QEMU_OPTION_fdb:
2596 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2597 optarg, FD_OPTS);
2598 break;
2599 case QEMU_OPTION_no_fd_bootchk:
2600 fd_bootchk = 0;
2601 break;
2602 case QEMU_OPTION_netdev:
2603 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2604 exit(1);
2605 }
2606 break;
2607 case QEMU_OPTION_net:
2608 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2609 exit(1);
2610 }
2611 break;
2612 #ifdef CONFIG_LIBISCSI
2613 case QEMU_OPTION_iscsi:
2614 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2615 if (!opts) {
2616 exit(1);
2617 }
2618 break;
2619 #endif
2620 #ifdef CONFIG_SLIRP
2621 case QEMU_OPTION_tftp:
2622 legacy_tftp_prefix = optarg;
2623 break;
2624 case QEMU_OPTION_bootp:
2625 legacy_bootp_filename = optarg;
2626 break;
2627 case QEMU_OPTION_redir:
2628 if (net_slirp_redir(optarg) < 0)
2629 exit(1);
2630 break;
2631 #endif
2632 case QEMU_OPTION_bt:
2633 add_device_config(DEV_BT, optarg);
2634 break;
2635 case QEMU_OPTION_audio_help:
2636 if (!(audio_available())) {
2637 printf("Option %s not supported for this target\n", popt->name);
2638 exit(1);
2639 }
2640 AUD_help ();
2641 exit (0);
2642 break;
2643 case QEMU_OPTION_soundhw:
2644 if (!(audio_available())) {
2645 printf("Option %s not supported for this target\n", popt->name);
2646 exit(1);
2647 }
2648 select_soundhw (optarg);
2649 break;
2650 case QEMU_OPTION_h:
2651 help(0);
2652 break;
2653 case QEMU_OPTION_version:
2654 version();
2655 exit(0);
2656 break;
2657 case QEMU_OPTION_m: {
2658 int64_t value;
2659 char *end;
2660
2661 value = strtosz(optarg, &end);
2662 if (value < 0 || *end) {
2663 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2664 exit(1);
2665 }
2666
2667 if (value != (uint64_t)(ram_addr_t)value) {
2668 fprintf(stderr, "qemu: ram size too large\n");
2669 exit(1);
2670 }
2671 ram_size = value;
2672 break;
2673 }
2674 case QEMU_OPTION_mempath:
2675 mem_path = optarg;
2676 break;
2677 #ifdef MAP_POPULATE
2678 case QEMU_OPTION_mem_prealloc:
2679 mem_prealloc = 1;
2680 break;
2681 #endif
2682 case QEMU_OPTION_d:
2683 log_mask = optarg;
2684 break;
2685 case QEMU_OPTION_D:
2686 log_file = optarg;
2687 break;
2688 case QEMU_OPTION_s:
2689 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2690 break;
2691 case QEMU_OPTION_gdb:
2692 add_device_config(DEV_GDB, optarg);
2693 break;
2694 case QEMU_OPTION_L:
2695 data_dir = optarg;
2696 break;
2697 case QEMU_OPTION_bios:
2698 bios_name = optarg;
2699 break;
2700 case QEMU_OPTION_singlestep:
2701 singlestep = 1;
2702 break;
2703 case QEMU_OPTION_S:
2704 autostart = 0;
2705 break;
2706 case QEMU_OPTION_k:
2707 keyboard_layout = optarg;
2708 break;
2709 case QEMU_OPTION_localtime:
2710 rtc_utc = 0;
2711 break;
2712 case QEMU_OPTION_vga:
2713 vga_model = optarg;
2714 default_vga = 0;
2715 break;
2716 case QEMU_OPTION_g:
2717 {
2718 const char *p;
2719 int w, h, depth;
2720 p = optarg;
2721 w = strtol(p, (char **)&p, 10);
2722 if (w <= 0) {
2723 graphic_error:
2724 fprintf(stderr, "qemu: invalid resolution or depth\n");
2725 exit(1);
2726 }
2727 if (*p != 'x')
2728 goto graphic_error;
2729 p++;
2730 h = strtol(p, (char **)&p, 10);
2731 if (h <= 0)
2732 goto graphic_error;
2733 if (*p == 'x') {
2734 p++;
2735 depth = strtol(p, (char **)&p, 10);
2736 if (depth != 8 && depth != 15 && depth != 16 &&
2737 depth != 24 && depth != 32)
2738 goto graphic_error;
2739 } else if (*p == '\0') {
2740 depth = graphic_depth;
2741 } else {
2742 goto graphic_error;
2743 }
2744
2745 graphic_width = w;
2746 graphic_height = h;
2747 graphic_depth = depth;
2748 }
2749 break;
2750 case QEMU_OPTION_echr:
2751 {
2752 char *r;
2753 term_escape_char = strtol(optarg, &r, 0);
2754 if (r == optarg)
2755 printf("Bad argument to echr\n");
2756 break;
2757 }
2758 case QEMU_OPTION_monitor:
2759 monitor_parse(optarg, "readline");
2760 default_monitor = 0;
2761 break;
2762 case QEMU_OPTION_qmp:
2763 monitor_parse(optarg, "control");
2764 default_monitor = 0;
2765 break;
2766 case QEMU_OPTION_mon:
2767 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2768 if (!opts) {
2769 exit(1);
2770 }
2771 default_monitor = 0;
2772 break;
2773 case QEMU_OPTION_chardev:
2774 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2775 if (!opts) {
2776 exit(1);
2777 }
2778 break;
2779 case QEMU_OPTION_fsdev:
2780 olist = qemu_find_opts("fsdev");
2781 if (!olist) {
2782 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2783 exit(1);
2784 }
2785 opts = qemu_opts_parse(olist, optarg, 1);
2786 if (!opts) {
2787 fprintf(stderr, "parse error: %s\n", optarg);
2788 exit(1);
2789 }
2790 break;
2791 case QEMU_OPTION_virtfs: {
2792 QemuOpts *fsdev;
2793 QemuOpts *device;
2794 const char *writeout, *sock_fd, *socket;
2795
2796 olist = qemu_find_opts("virtfs");
2797 if (!olist) {
2798 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2799 exit(1);
2800 }
2801 opts = qemu_opts_parse(olist, optarg, 1);
2802 if (!opts) {
2803 fprintf(stderr, "parse error: %s\n", optarg);
2804 exit(1);
2805 }
2806
2807 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2808 qemu_opt_get(opts, "mount_tag") == NULL) {
2809 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2810 exit(1);
2811 }
2812 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2813 qemu_opt_get(opts, "mount_tag"),
2814 1, NULL);
2815 if (!fsdev) {
2816 fprintf(stderr, "duplicate fsdev id: %s\n",
2817 qemu_opt_get(opts, "mount_tag"));
2818 exit(1);
2819 }
2820
2821 writeout = qemu_opt_get(opts, "writeout");
2822 if (writeout) {
2823 #ifdef CONFIG_SYNC_FILE_RANGE
2824 qemu_opt_set(fsdev, "writeout", writeout);
2825 #else
2826 fprintf(stderr, "writeout=immediate not supported on "
2827 "this platform\n");
2828 exit(1);
2829 #endif
2830 }
2831 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2832 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2833 qemu_opt_set(fsdev, "security_model",
2834 qemu_opt_get(opts, "security_model"));
2835 socket = qemu_opt_get(opts, "socket");
2836 if (socket) {
2837 qemu_opt_set(fsdev, "socket", socket);
2838 }
2839 sock_fd = qemu_opt_get(opts, "sock_fd");
2840 if (sock_fd) {
2841 qemu_opt_set(fsdev, "sock_fd", sock_fd);
2842 }
2843
2844 qemu_opt_set_bool(fsdev, "readonly",
2845 qemu_opt_get_bool(opts, "readonly", 0));
2846 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2847 NULL);
2848 qemu_opt_set(device, "driver", "virtio-9p-pci");
2849 qemu_opt_set(device, "fsdev",
2850 qemu_opt_get(opts, "mount_tag"));
2851 qemu_opt_set(device, "mount_tag",
2852 qemu_opt_get(opts, "mount_tag"));
2853 break;
2854 }
2855 case QEMU_OPTION_virtfs_synth: {
2856 QemuOpts *fsdev;
2857 QemuOpts *device;
2858
2859 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2860 1, NULL);
2861 if (!fsdev) {
2862 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2863 exit(1);
2864 }
2865 qemu_opt_set(fsdev, "fsdriver", "synth");
2866
2867 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2868 NULL);
2869 qemu_opt_set(device, "driver", "virtio-9p-pci");
2870 qemu_opt_set(device, "fsdev", "v_synth");
2871 qemu_opt_set(device, "mount_tag", "v_synth");
2872 break;
2873 }
2874 case QEMU_OPTION_serial:
2875 add_device_config(DEV_SERIAL, optarg);
2876 default_serial = 0;
2877 if (strncmp(optarg, "mon:", 4) == 0) {
2878 default_monitor = 0;
2879 }
2880 break;
2881 case QEMU_OPTION_watchdog:
2882 if (watchdog) {
2883 fprintf(stderr,
2884 "qemu: only one watchdog option may be given\n");
2885 return 1;
2886 }
2887 watchdog = optarg;
2888 break;
2889 case QEMU_OPTION_watchdog_action:
2890 if (select_watchdog_action(optarg) == -1) {
2891 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2892 exit(1);
2893 }
2894 break;
2895 case QEMU_OPTION_virtiocon:
2896 add_device_config(DEV_VIRTCON, optarg);
2897 default_virtcon = 0;
2898 if (strncmp(optarg, "mon:", 4) == 0) {
2899 default_monitor = 0;
2900 }
2901 break;
2902 case QEMU_OPTION_parallel:
2903 add_device_config(DEV_PARALLEL, optarg);
2904 default_parallel = 0;
2905 if (strncmp(optarg, "mon:", 4) == 0) {
2906 default_monitor = 0;
2907 }
2908 break;
2909 case QEMU_OPTION_debugcon:
2910 add_device_config(DEV_DEBUGCON, optarg);
2911 break;
2912 case QEMU_OPTION_loadvm:
2913 loadvm = optarg;
2914 break;
2915 case QEMU_OPTION_full_screen:
2916 full_screen = 1;
2917 break;
2918 #ifdef CONFIG_SDL
2919 case QEMU_OPTION_no_frame:
2920 no_frame = 1;
2921 break;
2922 case QEMU_OPTION_alt_grab:
2923 alt_grab = 1;
2924 break;
2925 case QEMU_OPTION_ctrl_grab:
2926 ctrl_grab = 1;
2927 break;
2928 case QEMU_OPTION_no_quit:
2929 no_quit = 1;
2930 break;
2931 case QEMU_OPTION_sdl:
2932 display_type = DT_SDL;
2933 break;
2934 #else
2935 case QEMU_OPTION_no_frame:
2936 case QEMU_OPTION_alt_grab:
2937 case QEMU_OPTION_ctrl_grab:
2938 case QEMU_OPTION_no_quit:
2939 case QEMU_OPTION_sdl:
2940 fprintf(stderr, "SDL support is disabled\n");
2941 exit(1);
2942 #endif
2943 case QEMU_OPTION_pidfile:
2944 pid_file = optarg;
2945 break;
2946 case QEMU_OPTION_win2k_hack:
2947 win2k_install_hack = 1;
2948 break;
2949 case QEMU_OPTION_rtc_td_hack: {
2950 static GlobalProperty slew_lost_ticks[] = {
2951 {
2952 .driver = "mc146818rtc",
2953 .property = "lost_tick_policy",
2954 .value = "slew",
2955 },
2956 { /* end of list */ }
2957 };
2958
2959 qdev_prop_register_global_list(slew_lost_ticks);
2960 break;
2961 }
2962 case QEMU_OPTION_acpitable:
2963 do_acpitable_option(optarg);
2964 break;
2965 case QEMU_OPTION_smbios:
2966 do_smbios_option(optarg);
2967 break;
2968 case QEMU_OPTION_enable_kvm:
2969 olist = qemu_find_opts("machine");
2970 qemu_opts_parse(olist, "accel=kvm", 0);
2971 break;
2972 case QEMU_OPTION_machine:
2973 olist = qemu_find_opts("machine");
2974 opts = qemu_opts_parse(olist, optarg, 1);
2975 if (!opts) {
2976 fprintf(stderr, "parse error: %s\n", optarg);
2977 exit(1);
2978 }
2979 optarg = qemu_opt_get(opts, "type");
2980 if (optarg) {
2981 machine = machine_parse(optarg);
2982 }
2983 break;
2984 case QEMU_OPTION_usb:
2985 usb_enabled = 1;
2986 break;
2987 case QEMU_OPTION_usbdevice:
2988 usb_enabled = 1;
2989 add_device_config(DEV_USB, optarg);
2990 break;
2991 case QEMU_OPTION_device:
2992 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2993 exit(1);
2994 }
2995 break;
2996 case QEMU_OPTION_smp:
2997 smp_parse(optarg);
2998 if (smp_cpus < 1) {
2999 fprintf(stderr, "Invalid number of CPUs\n");
3000 exit(1);
3001 }
3002 if (max_cpus < smp_cpus) {
3003 fprintf(stderr, "maxcpus must be equal to or greater than "
3004 "smp\n");
3005 exit(1);
3006 }
3007 if (max_cpus > 255) {
3008 fprintf(stderr, "Unsupported number of maxcpus\n");
3009 exit(1);
3010 }
3011 break;
3012 case QEMU_OPTION_vnc:
3013 #ifdef CONFIG_VNC
3014 display_remote++;
3015 vnc_display = optarg;
3016 #else
3017 fprintf(stderr, "VNC support is disabled\n");
3018 exit(1);
3019 #endif
3020 break;
3021 case QEMU_OPTION_no_acpi:
3022 acpi_enabled = 0;
3023 break;
3024 case QEMU_OPTION_no_hpet:
3025 no_hpet = 1;
3026 break;
3027 case QEMU_OPTION_balloon:
3028 if (balloon_parse(optarg) < 0) {
3029 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3030 exit(1);
3031 }
3032 break;
3033 case QEMU_OPTION_no_reboot:
3034 no_reboot = 1;
3035 break;
3036 case QEMU_OPTION_no_shutdown:
3037 no_shutdown = 1;
3038 break;
3039 case QEMU_OPTION_show_cursor:
3040 cursor_hide = 0;
3041 break;
3042 case QEMU_OPTION_uuid:
3043 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3044 fprintf(stderr, "Fail to parse UUID string."
3045 " Wrong format.\n");
3046 exit(1);
3047 }
3048 break;
3049 case QEMU_OPTION_option_rom:
3050 if (nb_option_roms >= MAX_OPTION_ROMS) {
3051 fprintf(stderr, "Too many option ROMs\n");
3052 exit(1);
3053 }
3054 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3055 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3056 option_rom[nb_option_roms].bootindex =
3057 qemu_opt_get_number(opts, "bootindex", -1);
3058 if (!option_rom[nb_option_roms].name) {
3059 fprintf(stderr, "Option ROM file is not specified\n");
3060 exit(1);
3061 }
3062 nb_option_roms++;
3063 break;
3064 case QEMU_OPTION_semihosting:
3065 semihosting_enabled = 1;
3066 break;
3067 case QEMU_OPTION_name:
3068 qemu_name = g_strdup(optarg);
3069 {
3070 char *p = strchr(qemu_name, ',');
3071 if (p != NULL) {
3072 *p++ = 0;
3073 if (strncmp(p, "process=", 8)) {
3074 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3075 exit(1);
3076 }
3077 p += 8;
3078 os_set_proc_name(p);
3079 }
3080 }
3081 break;
3082 case QEMU_OPTION_prom_env:
3083 if (nb_prom_envs >= MAX_PROM_ENVS) {
3084 fprintf(stderr, "Too many prom variables\n");
3085 exit(1);
3086 }
3087 prom_envs[nb_prom_envs] = optarg;
3088 nb_prom_envs++;
3089 break;
3090 case QEMU_OPTION_old_param:
3091 old_param = 1;
3092 break;
3093 case QEMU_OPTION_clock:
3094 configure_alarms(optarg);
3095 break;
3096 case QEMU_OPTION_startdate:
3097 configure_rtc_date_offset(optarg, 1);
3098 break;
3099 case QEMU_OPTION_rtc:
3100 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3101 if (!opts) {
3102 exit(1);
3103 }
3104 configure_rtc(opts);
3105 break;
3106 case QEMU_OPTION_tb_size:
3107 tcg_tb_size = strtol(optarg, NULL, 0);
3108 if (tcg_tb_size < 0) {
3109 tcg_tb_size = 0;
3110 }
3111 break;
3112 case QEMU_OPTION_icount:
3113 icount_option = optarg;
3114 break;
3115 case QEMU_OPTION_incoming:
3116 incoming = optarg;
3117 runstate_set(RUN_STATE_INMIGRATE);
3118 break;
3119 case QEMU_OPTION_nodefaults:
3120 default_serial = 0;
3121 default_parallel = 0;
3122 default_virtcon = 0;
3123 default_monitor = 0;
3124 default_net = 0;
3125 default_floppy = 0;
3126 default_cdrom = 0;
3127 default_sdcard = 0;
3128 default_vga = 0;
3129 break;
3130 case QEMU_OPTION_xen_domid:
3131 if (!(xen_available())) {
3132 printf("Option %s not supported for this target\n", popt->name);
3133 exit(1);
3134 }
3135 xen_domid = atoi(optarg);
3136 break;
3137 case QEMU_OPTION_xen_create:
3138 if (!(xen_available())) {
3139 printf("Option %s not supported for this target\n", popt->name);
3140 exit(1);
3141 }
3142 xen_mode = XEN_CREATE;
3143 break;
3144 case QEMU_OPTION_xen_attach:
3145 if (!(xen_available())) {
3146 printf("Option %s not supported for this target\n", popt->name);
3147 exit(1);
3148 }
3149 xen_mode = XEN_ATTACH;
3150 break;
3151 case QEMU_OPTION_trace:
3152 {
3153 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3154 if (!opts) {
3155 exit(1);
3156 }
3157 trace_events = qemu_opt_get(opts, "events");
3158 trace_file = qemu_opt_get(opts, "file");
3159 break;
3160 }
3161 case QEMU_OPTION_readconfig:
3162 {
3163 int ret = qemu_read_config_file(optarg);
3164 if (ret < 0) {
3165 fprintf(stderr, "read config %s: %s\n", optarg,
3166 strerror(-ret));
3167 exit(1);
3168 }
3169 break;
3170 }
3171 case QEMU_OPTION_spice:
3172 olist = qemu_find_opts("spice");
3173 if (!olist) {
3174 fprintf(stderr, "spice is not supported by this qemu build.\n");
3175 exit(1);
3176 }
3177 opts = qemu_opts_parse(olist, optarg, 0);
3178 if (!opts) {
3179 fprintf(stderr, "parse error: %s\n", optarg);
3180 exit(1);
3181 }
3182 break;
3183 case QEMU_OPTION_writeconfig:
3184 {
3185 FILE *fp;
3186 if (strcmp(optarg, "-") == 0) {
3187 fp = stdout;
3188 } else {
3189 fp = fopen(optarg, "w");
3190 if (fp == NULL) {
3191 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3192 exit(1);
3193 }
3194 }
3195 qemu_config_write(fp);
3196 fclose(fp);
3197 break;
3198 }
3199 case QEMU_OPTION_qtest:
3200 qtest_chrdev = optarg;
3201 break;
3202 case QEMU_OPTION_qtest_log:
3203 qtest_log = optarg;
3204 break;
3205 default:
3206 os_parse_cmd_args(popt->index, optarg);
3207 }
3208 }
3209 }
3210 loc_set_none();
3211
3212 if (machine->hw_version) {
3213 qemu_set_version(machine->hw_version);
3214 }
3215
3216 /* Init CPU def lists, based on config
3217 * - Must be called after all the qemu_read_config_file() calls
3218 * - Must be called before list_cpus()
3219 * - Must be called before machine->init()
3220 */
3221 cpudef_init();
3222
3223 if (cpu_model && is_help_option(cpu_model)) {
3224 list_cpus(stdout, &fprintf, cpu_model);
3225 exit(0);
3226 }
3227
3228 /* Open the logfile at this point, if necessary. We can't open the logfile
3229 * when encountering either of the logging options (-d or -D) because the
3230 * other one may be encountered later on the command line, changing the
3231 * location or level of logging.
3232 */
3233 if (log_mask) {
3234 if (log_file) {
3235 set_cpu_log_filename(log_file);
3236 }
3237 set_cpu_log(log_mask);
3238 }
3239
3240 if (!trace_backend_init(trace_events, trace_file)) {
3241 exit(1);
3242 }
3243
3244 /* If no data_dir is specified then try to find it relative to the
3245 executable path. */
3246 if (!data_dir) {
3247 data_dir = os_find_datadir(argv[0]);
3248 }
3249 /* If all else fails use the install path specified when building. */
3250 if (!data_dir) {
3251 data_dir = CONFIG_QEMU_DATADIR;
3252 }
3253
3254 if (machine == NULL) {
3255 fprintf(stderr, "No machine found.\n");
3256 exit(1);
3257 }
3258
3259 /*
3260 * Default to max_cpus = smp_cpus, in case the user doesn't
3261 * specify a max_cpus value.
3262 */
3263 if (!max_cpus)
3264 max_cpus = smp_cpus;
3265
3266 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3267 if (smp_cpus > machine->max_cpus) {
3268 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3269 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3270 machine->max_cpus);
3271 exit(1);
3272 }
3273
3274 /*
3275 * Get the default machine options from the machine if it is not already
3276 * specified either by the configuration file or by the command line.
3277 */
3278 if (machine->default_machine_opts) {
3279 qemu_opts_set_defaults(qemu_find_opts("machine"),
3280 machine->default_machine_opts, 0);
3281 }
3282
3283 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3284 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3285
3286 if (machine->no_serial) {
3287 default_serial = 0;
3288 }
3289 if (machine->no_parallel) {
3290 default_parallel = 0;
3291 }
3292 if (!machine->use_virtcon) {
3293 default_virtcon = 0;
3294 }
3295 if (machine->no_floppy) {
3296 default_floppy = 0;
3297 }
3298 if (machine->no_cdrom) {
3299 default_cdrom = 0;
3300 }
3301 if (machine->no_sdcard) {
3302 default_sdcard = 0;
3303 }
3304
3305 if (display_type == DT_NOGRAPHIC) {
3306 if (default_parallel)
3307 add_device_config(DEV_PARALLEL, "null");
3308 if (default_serial && default_monitor) {
3309 add_device_config(DEV_SERIAL, "mon:stdio");
3310 } else if (default_virtcon && default_monitor) {
3311 add_device_config(DEV_VIRTCON, "mon:stdio");
3312 } else {
3313 if (default_serial)
3314 add_device_config(DEV_SERIAL, "stdio");
3315 if (default_virtcon)
3316 add_device_config(DEV_VIRTCON, "stdio");
3317 if (default_monitor)
3318 monitor_parse("stdio", "readline");
3319 }
3320 } else {
3321 if (default_serial)
3322 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3323 if (default_parallel)
3324 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3325 if (default_monitor)
3326 monitor_parse("vc:80Cx24C", "readline");
3327 if (default_virtcon)
3328 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3329 }
3330
3331 socket_init();
3332
3333 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3334 exit(1);
3335 #ifdef CONFIG_VIRTFS
3336 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3337 exit(1);
3338 }
3339 #endif
3340
3341 os_daemonize();
3342
3343 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3344 os_pidfile_error();
3345 exit(1);
3346 }
3347
3348 /* init the memory */
3349 if (ram_size == 0) {
3350 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3351 }
3352
3353 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3354 != 0) {
3355 exit(0);
3356 }
3357
3358 configure_accelerator();
3359
3360 qemu_init_cpu_loop();
3361 if (qemu_init_main_loop()) {
3362 fprintf(stderr, "qemu_init_main_loop failed\n");
3363 exit(1);
3364 }
3365
3366 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3367 if (machine_opts) {
3368 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3369 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3370 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3371 } else {
3372 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3373 }
3374
3375 if (!kernel_cmdline) {
3376 kernel_cmdline = "";
3377 }
3378
3379 linux_boot = (kernel_filename != NULL);
3380
3381 if (!linux_boot && *kernel_cmdline != '\0') {
3382 fprintf(stderr, "-append only allowed with -kernel option\n");
3383 exit(1);
3384 }
3385
3386 if (!linux_boot && initrd_filename != NULL) {
3387 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3388 exit(1);
3389 }
3390
3391 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3392 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3393 exit(1);
3394 }
3395
3396 os_set_line_buffering();
3397
3398 if (init_timer_alarm() < 0) {
3399 fprintf(stderr, "could not initialize alarm timer\n");
3400 exit(1);
3401 }
3402
3403 #ifdef CONFIG_SPICE
3404 /* spice needs the timers to be initialized by this point */
3405 qemu_spice_init();
3406 #endif
3407
3408 if (icount_option && (kvm_enabled() || xen_enabled())) {
3409 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3410 exit(1);
3411 }
3412 configure_icount(icount_option);
3413
3414 if (net_init_clients() < 0) {
3415 exit(1);
3416 }
3417
3418 /* init the bluetooth world */
3419 if (foreach_device_config(DEV_BT, bt_parse))
3420 exit(1);
3421
3422 if (!xen_enabled()) {
3423 /* On 32-bit hosts, QEMU is limited by virtual address space */
3424 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3425 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3426 exit(1);
3427 }
3428 }
3429
3430 cpu_exec_init_all();
3431
3432 bdrv_init_with_whitelist();
3433
3434 blk_mig_init();
3435
3436 /* open the virtual block devices */
3437 if (snapshot)
3438 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3439 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3440 exit(1);
3441
3442 default_drive(default_cdrom, snapshot, machine->use_scsi,
3443 IF_DEFAULT, 2, CDROM_OPTS);
3444 default_drive(default_floppy, snapshot, machine->use_scsi,
3445 IF_FLOPPY, 0, FD_OPTS);
3446 default_drive(default_sdcard, snapshot, machine->use_scsi,
3447 IF_SD, 0, SD_OPTS);
3448
3449 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3450
3451 if (nb_numa_nodes > 0) {
3452 int i;
3453
3454 if (nb_numa_nodes > MAX_NODES) {
3455 nb_numa_nodes = MAX_NODES;
3456 }
3457
3458 /* If no memory size if given for any node, assume the default case
3459 * and distribute the available memory equally across all nodes
3460 */
3461 for (i = 0; i < nb_numa_nodes; i++) {
3462 if (node_mem[i] != 0)
3463 break;
3464 }
3465 if (i == nb_numa_nodes) {
3466 uint64_t usedmem = 0;
3467
3468 /* On Linux, the each node's border has to be 8MB aligned,
3469 * the final node gets the rest.
3470 */
3471 for (i = 0; i < nb_numa_nodes - 1; i++) {
3472 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3473 usedmem += node_mem[i];
3474 }
3475 node_mem[i] = ram_size - usedmem;
3476 }
3477
3478 for (i = 0; i < nb_numa_nodes; i++) {
3479 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3480 break;
3481 }
3482 }
3483 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3484 * must cope with this anyway, because there are BIOSes out there in
3485 * real machines which also use this scheme.
3486 */
3487 if (i == nb_numa_nodes) {
3488 for (i = 0; i < max_cpus; i++) {
3489 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3490 }
3491 }
3492 }
3493
3494 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3495 exit(1);
3496 }
3497
3498 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3499 exit(1);
3500 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3501 exit(1);
3502 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3503 exit(1);
3504 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3505 exit(1);
3506
3507 /* If no default VGA is requested, the default is "none". */
3508 if (default_vga && cirrus_vga_available()) {
3509 vga_model = "cirrus";
3510 }
3511 select_vgahw(vga_model);
3512
3513 if (watchdog) {
3514 i = select_watchdog(watchdog);
3515 if (i > 0)
3516 exit (i == 1 ? 1 : 0);
3517 }
3518
3519 if (machine->compat_props) {
3520 qdev_prop_register_global_list(machine->compat_props);
3521 }
3522 qemu_add_globals();
3523
3524 qdev_machine_init();
3525
3526 machine->init(ram_size, boot_devices,
3527 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3528
3529 cpu_synchronize_all_post_init();
3530
3531 set_numa_modes();
3532
3533 current_machine = machine;
3534
3535 /* init USB devices */
3536 if (usb_enabled) {
3537 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3538 exit(1);
3539 }
3540
3541 /* init generic devices */
3542 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3543 exit(1);
3544
3545 net_check_clients();
3546
3547 /* just use the first displaystate for the moment */
3548 ds = get_displaystate();
3549
3550 if (using_spice)
3551 display_remote++;
3552 if (display_type == DT_DEFAULT && !display_remote) {
3553 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3554 display_type = DT_SDL;
3555 #elif defined(CONFIG_VNC)
3556 vnc_display = "localhost:0,to=99";
3557 show_vnc_port = 1;
3558 #else
3559 display_type = DT_NONE;
3560 #endif
3561 }
3562
3563
3564 /* init local displays */
3565 switch (display_type) {
3566 case DT_NOGRAPHIC:
3567 break;
3568 #if defined(CONFIG_CURSES)
3569 case DT_CURSES:
3570 curses_display_init(ds, full_screen);
3571 break;
3572 #endif
3573 #if defined(CONFIG_SDL)
3574 case DT_SDL:
3575 sdl_display_init(ds, full_screen, no_frame);
3576 break;
3577 #elif defined(CONFIG_COCOA)
3578 case DT_SDL:
3579 cocoa_display_init(ds, full_screen);
3580 break;
3581 #endif
3582 default:
3583 break;
3584 }
3585
3586 /* must be after terminal init, SDL library changes signal handlers */
3587 os_setup_signal_handling();
3588
3589 #ifdef CONFIG_VNC
3590 /* init remote displays */
3591 if (vnc_display) {
3592 vnc_display_init(ds);
3593 if (vnc_display_open(ds, vnc_display) < 0) {
3594 fprintf(stderr, "Failed to start VNC server on `%s'\n",
3595 vnc_display);
3596 exit(1);
3597 }
3598
3599 if (show_vnc_port) {
3600 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3601 }
3602 }
3603 #endif
3604 #ifdef CONFIG_SPICE
3605 if (using_spice && !qxl_enabled) {
3606 qemu_spice_display_init(ds);
3607 }
3608 #endif
3609
3610 /* display setup */
3611 dpy_resize(ds);
3612 dcl = ds->listeners;
3613 while (dcl != NULL) {
3614 if (dcl->dpy_refresh != NULL) {
3615 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3616 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3617 break;
3618 }
3619 dcl = dcl->next;
3620 }
3621 text_consoles_set_display(ds);
3622
3623 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3624 exit(1);
3625 }
3626
3627 qdev_machine_creation_done();
3628
3629 if (rom_load_all() != 0) {
3630 fprintf(stderr, "rom loading failed\n");
3631 exit(1);
3632 }
3633
3634 /* TODO: once all bus devices are qdevified, this should be done
3635 * when bus is created by qdev.c */
3636 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3637 qemu_run_machine_init_done_notifiers();
3638
3639 qemu_system_reset(VMRESET_SILENT);
3640 if (loadvm) {
3641 if (load_vmstate(loadvm) < 0) {
3642 autostart = 0;
3643 }
3644 }
3645
3646 if (incoming) {
3647 Error *errp = NULL;
3648 int ret = qemu_start_incoming_migration(incoming, &errp);
3649 if (ret < 0) {
3650 if (error_is_set(&errp)) {
3651 fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3652 error_free(errp);
3653 }
3654 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3655 incoming, ret);
3656 exit(ret);
3657 }
3658 } else if (autostart) {
3659 vm_start();
3660 }
3661
3662 os_setup_post();
3663
3664 resume_all_vcpus();
3665 main_loop();
3666 bdrv_close_all();
3667 pause_all_vcpus();
3668 net_cleanup();
3669 res_free();
3670
3671 return 0;
3672 }
Qemu copy for testing