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Introduce powerdown_notifiers
[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
67 #ifdef CONFIG_SECCOMP
68 #include "qemu-seccomp.h"
69 #endif
70
71 #ifdef __sun__
72 #include <sys/stat.h>
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
81 #include <net/if.h>
82 #include <syslog.h>
83 #include <stropts.h>
84 #endif
85 #endif
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include <glib.h>
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/pc.h"
121 #include "hw/isa.h"
122 #include "hw/baum.h"
123 #include "hw/bt.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
126 #include "hw/xen.h"
127 #include "hw/qdev.h"
128 #include "hw/loader.h"
129 #include "bt-host.h"
130 #include "net.h"
131 #include "net/slirp.h"
132 #include "monitor.h"
133 #include "console.h"
134 #include "sysemu.h"
135 #include "gdbstub.h"
136 #include "qemu-timer.h"
137 #include "qemu-char.h"
138 #include "cache-utils.h"
139 #include "blockdev.h"
140 #include "hw/block-common.h"
141 #include "block-migration.h"
142 #include "dma.h"
143 #include "audio/audio.h"
144 #include "migration.h"
145 #include "kvm.h"
146 #include "qjson.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "main-loop.h"
152 #ifdef CONFIG_VIRTFS
153 #include "fsdev/qemu-fsdev.h"
154 #endif
155 #include "qtest.h"
156
157 #include "disas.h"
158
159 #include "qemu_socket.h"
160
161 #include "slirp/libslirp.h"
162
163 #include "trace.h"
164 #include "trace/control.h"
165 #include "qemu-queue.h"
166 #include "cpus.h"
167 #include "arch_init.h"
168 #include "osdep.h"
169
170 #include "ui/qemu-spice.h"
171
172 //#define DEBUG_NET
173 //#define DEBUG_SLIRP
174
175 #define DEFAULT_RAM_SIZE 128
176
177 #define MAX_VIRTIO_CONSOLES 1
178
179 static const char *data_dir;
180 const char *bios_name = NULL;
181 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
182 DisplayType display_type = DT_DEFAULT;
183 int display_remote = 0;
184 const char* keyboard_layout = NULL;
185 ram_addr_t ram_size;
186 const char *mem_path = NULL;
187 #ifdef MAP_POPULATE
188 int mem_prealloc = 0; /* force preallocation of physical target memory */
189 #endif
190 int nb_nics;
191 NICInfo nd_table[MAX_NICS];
192 int autostart;
193 static int rtc_utc = 1;
194 static int rtc_date_offset = -1; /* -1 means no change */
195 QEMUClock *rtc_clock;
196 int vga_interface_type = VGA_NONE;
197 static int full_screen = 0;
198 #ifdef CONFIG_SDL
199 static int no_frame = 0;
200 #endif
201 int no_quit = 0;
202 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
203 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
204 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
205 int win2k_install_hack = 0;
206 int usb_enabled = 0;
207 int singlestep = 0;
208 int smp_cpus = 1;
209 int max_cpus = 0;
210 int smp_cores = 1;
211 int smp_threads = 1;
212 #ifdef CONFIG_VNC
213 const char *vnc_display;
214 #endif
215 int acpi_enabled = 1;
216 int no_hpet = 0;
217 int fd_bootchk = 1;
218 int no_reboot = 0;
219 int no_shutdown = 0;
220 int cursor_hide = 1;
221 int graphic_rotate = 0;
222 const char *watchdog;
223 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
224 int nb_option_roms;
225 int semihosting_enabled = 0;
226 int old_param = 0;
227 const char *qemu_name;
228 int alt_grab = 0;
229 int ctrl_grab = 0;
230 unsigned int nb_prom_envs = 0;
231 const char *prom_envs[MAX_PROM_ENVS];
232 int boot_menu;
233 uint8_t *boot_splash_filedata;
234 int boot_splash_filedata_size;
235 uint8_t qemu_extra_params_fw[2];
236
237 typedef struct FWBootEntry FWBootEntry;
238
239 struct FWBootEntry {
240 QTAILQ_ENTRY(FWBootEntry) link;
241 int32_t bootindex;
242 DeviceState *dev;
243 char *suffix;
244 };
245
246 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
247
248 int nb_numa_nodes;
249 uint64_t node_mem[MAX_NODES];
250 unsigned long *node_cpumask[MAX_NODES];
251
252 uint8_t qemu_uuid[16];
253
254 static QEMUBootSetHandler *boot_set_handler;
255 static void *boot_set_opaque;
256
257 static NotifierList exit_notifiers =
258 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
259
260 static NotifierList machine_init_done_notifiers =
261 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
262
263 static int tcg_allowed = 1;
264 int kvm_allowed = 0;
265 int xen_allowed = 0;
266 uint32_t xen_domid;
267 enum xen_mode xen_mode = XEN_EMULATE;
268 static int tcg_tb_size;
269
270 static int default_serial = 1;
271 static int default_parallel = 1;
272 static int default_virtcon = 1;
273 static int default_monitor = 1;
274 static int default_floppy = 1;
275 static int default_cdrom = 1;
276 static int default_sdcard = 1;
277 static int default_vga = 1;
278
279 static struct {
280 const char *driver;
281 int *flag;
282 } default_list[] = {
283 { .driver = "isa-serial", .flag = &default_serial },
284 { .driver = "isa-parallel", .flag = &default_parallel },
285 { .driver = "isa-fdc", .flag = &default_floppy },
286 { .driver = "ide-cd", .flag = &default_cdrom },
287 { .driver = "ide-hd", .flag = &default_cdrom },
288 { .driver = "ide-drive", .flag = &default_cdrom },
289 { .driver = "scsi-cd", .flag = &default_cdrom },
290 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
291 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
292 { .driver = "virtio-serial", .flag = &default_virtcon },
293 { .driver = "VGA", .flag = &default_vga },
294 { .driver = "isa-vga", .flag = &default_vga },
295 { .driver = "cirrus-vga", .flag = &default_vga },
296 { .driver = "isa-cirrus-vga", .flag = &default_vga },
297 { .driver = "vmware-svga", .flag = &default_vga },
298 { .driver = "qxl-vga", .flag = &default_vga },
299 };
300
301 const char *qemu_get_vm_name(void)
302 {
303 return qemu_name;
304 }
305
306 static void res_free(void)
307 {
308 if (boot_splash_filedata != NULL) {
309 g_free(boot_splash_filedata);
310 boot_splash_filedata = NULL;
311 }
312 }
313
314 static int default_driver_check(QemuOpts *opts, void *opaque)
315 {
316 const char *driver = qemu_opt_get(opts, "driver");
317 int i;
318
319 if (!driver)
320 return 0;
321 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
322 if (strcmp(default_list[i].driver, driver) != 0)
323 continue;
324 *(default_list[i].flag) = 0;
325 }
326 return 0;
327 }
328
329 /***********************************************************/
330 /* QEMU state */
331
332 static RunState current_run_state = RUN_STATE_PRELAUNCH;
333
334 typedef struct {
335 RunState from;
336 RunState to;
337 } RunStateTransition;
338
339 static const RunStateTransition runstate_transitions_def[] = {
340 /* from -> to */
341 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
342
343 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
344 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
345
346 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
347 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
348
349 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
350 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
351
352 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
353 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
354
355 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
356 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
357
358 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
359 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
360 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
361
362 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
363 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
364
365 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
366
367 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
368 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
369 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
370 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
371 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
372 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
373 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
374 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
375 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
376
377 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
378
379 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
380 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
381
382 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
383 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
384 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
385 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
386
387 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
388 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
389
390 { RUN_STATE_MAX, RUN_STATE_MAX },
391 };
392
393 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
394
395 bool runstate_check(RunState state)
396 {
397 return current_run_state == state;
398 }
399
400 void runstate_init(void)
401 {
402 const RunStateTransition *p;
403
404 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
405
406 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
407 runstate_valid_transitions[p->from][p->to] = true;
408 }
409 }
410
411 /* This function will abort() on invalid state transitions */
412 void runstate_set(RunState new_state)
413 {
414 assert(new_state < RUN_STATE_MAX);
415
416 if (!runstate_valid_transitions[current_run_state][new_state]) {
417 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
418 RunState_lookup[current_run_state],
419 RunState_lookup[new_state]);
420 abort();
421 }
422
423 current_run_state = new_state;
424 }
425
426 int runstate_is_running(void)
427 {
428 return runstate_check(RUN_STATE_RUNNING);
429 }
430
431 StatusInfo *qmp_query_status(Error **errp)
432 {
433 StatusInfo *info = g_malloc0(sizeof(*info));
434
435 info->running = runstate_is_running();
436 info->singlestep = singlestep;
437 info->status = current_run_state;
438
439 return info;
440 }
441
442 /***********************************************************/
443 /* real time host monotonic timer */
444
445 /***********************************************************/
446 /* host time/date access */
447 void qemu_get_timedate(struct tm *tm, int offset)
448 {
449 time_t ti;
450 struct tm *ret;
451
452 time(&ti);
453 ti += offset;
454 if (rtc_date_offset == -1) {
455 if (rtc_utc)
456 ret = gmtime(&ti);
457 else
458 ret = localtime(&ti);
459 } else {
460 ti -= rtc_date_offset;
461 ret = gmtime(&ti);
462 }
463
464 memcpy(tm, ret, sizeof(struct tm));
465 }
466
467 int qemu_timedate_diff(struct tm *tm)
468 {
469 time_t seconds;
470
471 if (rtc_date_offset == -1)
472 if (rtc_utc)
473 seconds = mktimegm(tm);
474 else {
475 struct tm tmp = *tm;
476 tmp.tm_isdst = -1; /* use timezone to figure it out */
477 seconds = mktime(&tmp);
478 }
479 else
480 seconds = mktimegm(tm) + rtc_date_offset;
481
482 return seconds - time(NULL);
483 }
484
485 void rtc_change_mon_event(struct tm *tm)
486 {
487 QObject *data;
488
489 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
490 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
491 qobject_decref(data);
492 }
493
494 static void configure_rtc_date_offset(const char *startdate, int legacy)
495 {
496 time_t rtc_start_date;
497 struct tm tm;
498
499 if (!strcmp(startdate, "now") && legacy) {
500 rtc_date_offset = -1;
501 } else {
502 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
503 &tm.tm_year,
504 &tm.tm_mon,
505 &tm.tm_mday,
506 &tm.tm_hour,
507 &tm.tm_min,
508 &tm.tm_sec) == 6) {
509 /* OK */
510 } else if (sscanf(startdate, "%d-%d-%d",
511 &tm.tm_year,
512 &tm.tm_mon,
513 &tm.tm_mday) == 3) {
514 tm.tm_hour = 0;
515 tm.tm_min = 0;
516 tm.tm_sec = 0;
517 } else {
518 goto date_fail;
519 }
520 tm.tm_year -= 1900;
521 tm.tm_mon--;
522 rtc_start_date = mktimegm(&tm);
523 if (rtc_start_date == -1) {
524 date_fail:
525 fprintf(stderr, "Invalid date format. Valid formats are:\n"
526 "'2006-06-17T16:01:21' or '2006-06-17'\n");
527 exit(1);
528 }
529 rtc_date_offset = time(NULL) - rtc_start_date;
530 }
531 }
532
533 static void configure_rtc(QemuOpts *opts)
534 {
535 const char *value;
536
537 value = qemu_opt_get(opts, "base");
538 if (value) {
539 if (!strcmp(value, "utc")) {
540 rtc_utc = 1;
541 } else if (!strcmp(value, "localtime")) {
542 rtc_utc = 0;
543 } else {
544 configure_rtc_date_offset(value, 0);
545 }
546 }
547 value = qemu_opt_get(opts, "clock");
548 if (value) {
549 if (!strcmp(value, "host")) {
550 rtc_clock = host_clock;
551 } else if (!strcmp(value, "rt")) {
552 rtc_clock = rt_clock;
553 } else if (!strcmp(value, "vm")) {
554 rtc_clock = vm_clock;
555 } else {
556 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
557 exit(1);
558 }
559 }
560 value = qemu_opt_get(opts, "driftfix");
561 if (value) {
562 if (!strcmp(value, "slew")) {
563 static GlobalProperty slew_lost_ticks[] = {
564 {
565 .driver = "mc146818rtc",
566 .property = "lost_tick_policy",
567 .value = "slew",
568 },
569 { /* end of list */ }
570 };
571
572 qdev_prop_register_global_list(slew_lost_ticks);
573 } else if (!strcmp(value, "none")) {
574 /* discard is default */
575 } else {
576 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
577 exit(1);
578 }
579 }
580 }
581
582 /***********************************************************/
583 /* Bluetooth support */
584 static int nb_hcis;
585 static int cur_hci;
586 static struct HCIInfo *hci_table[MAX_NICS];
587
588 static struct bt_vlan_s {
589 struct bt_scatternet_s net;
590 int id;
591 struct bt_vlan_s *next;
592 } *first_bt_vlan;
593
594 /* find or alloc a new bluetooth "VLAN" */
595 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
596 {
597 struct bt_vlan_s **pvlan, *vlan;
598 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
599 if (vlan->id == id)
600 return &vlan->net;
601 }
602 vlan = g_malloc0(sizeof(struct bt_vlan_s));
603 vlan->id = id;
604 pvlan = &first_bt_vlan;
605 while (*pvlan != NULL)
606 pvlan = &(*pvlan)->next;
607 *pvlan = vlan;
608 return &vlan->net;
609 }
610
611 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
612 {
613 }
614
615 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
616 {
617 return -ENOTSUP;
618 }
619
620 static struct HCIInfo null_hci = {
621 .cmd_send = null_hci_send,
622 .sco_send = null_hci_send,
623 .acl_send = null_hci_send,
624 .bdaddr_set = null_hci_addr_set,
625 };
626
627 struct HCIInfo *qemu_next_hci(void)
628 {
629 if (cur_hci == nb_hcis)
630 return &null_hci;
631
632 return hci_table[cur_hci++];
633 }
634
635 static struct HCIInfo *hci_init(const char *str)
636 {
637 char *endp;
638 struct bt_scatternet_s *vlan = 0;
639
640 if (!strcmp(str, "null"))
641 /* null */
642 return &null_hci;
643 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
644 /* host[:hciN] */
645 return bt_host_hci(str[4] ? str + 5 : "hci0");
646 else if (!strncmp(str, "hci", 3)) {
647 /* hci[,vlan=n] */
648 if (str[3]) {
649 if (!strncmp(str + 3, ",vlan=", 6)) {
650 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
651 if (*endp)
652 vlan = 0;
653 }
654 } else
655 vlan = qemu_find_bt_vlan(0);
656 if (vlan)
657 return bt_new_hci(vlan);
658 }
659
660 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
661
662 return 0;
663 }
664
665 static int bt_hci_parse(const char *str)
666 {
667 struct HCIInfo *hci;
668 bdaddr_t bdaddr;
669
670 if (nb_hcis >= MAX_NICS) {
671 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
672 return -1;
673 }
674
675 hci = hci_init(str);
676 if (!hci)
677 return -1;
678
679 bdaddr.b[0] = 0x52;
680 bdaddr.b[1] = 0x54;
681 bdaddr.b[2] = 0x00;
682 bdaddr.b[3] = 0x12;
683 bdaddr.b[4] = 0x34;
684 bdaddr.b[5] = 0x56 + nb_hcis;
685 hci->bdaddr_set(hci, bdaddr.b);
686
687 hci_table[nb_hcis++] = hci;
688
689 return 0;
690 }
691
692 static void bt_vhci_add(int vlan_id)
693 {
694 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
695
696 if (!vlan->slave)
697 fprintf(stderr, "qemu: warning: adding a VHCI to "
698 "an empty scatternet %i\n", vlan_id);
699
700 bt_vhci_init(bt_new_hci(vlan));
701 }
702
703 static struct bt_device_s *bt_device_add(const char *opt)
704 {
705 struct bt_scatternet_s *vlan;
706 int vlan_id = 0;
707 char *endp = strstr(opt, ",vlan=");
708 int len = (endp ? endp - opt : strlen(opt)) + 1;
709 char devname[10];
710
711 pstrcpy(devname, MIN(sizeof(devname), len), opt);
712
713 if (endp) {
714 vlan_id = strtol(endp + 6, &endp, 0);
715 if (*endp) {
716 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
717 return 0;
718 }
719 }
720
721 vlan = qemu_find_bt_vlan(vlan_id);
722
723 if (!vlan->slave)
724 fprintf(stderr, "qemu: warning: adding a slave device to "
725 "an empty scatternet %i\n", vlan_id);
726
727 if (!strcmp(devname, "keyboard"))
728 return bt_keyboard_init(vlan);
729
730 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
731 return 0;
732 }
733
734 static int bt_parse(const char *opt)
735 {
736 const char *endp, *p;
737 int vlan;
738
739 if (strstart(opt, "hci", &endp)) {
740 if (!*endp || *endp == ',') {
741 if (*endp)
742 if (!strstart(endp, ",vlan=", 0))
743 opt = endp + 1;
744
745 return bt_hci_parse(opt);
746 }
747 } else if (strstart(opt, "vhci", &endp)) {
748 if (!*endp || *endp == ',') {
749 if (*endp) {
750 if (strstart(endp, ",vlan=", &p)) {
751 vlan = strtol(p, (char **) &endp, 0);
752 if (*endp) {
753 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
754 return 1;
755 }
756 } else {
757 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
758 return 1;
759 }
760 } else
761 vlan = 0;
762
763 bt_vhci_add(vlan);
764 return 0;
765 }
766 } else if (strstart(opt, "device:", &endp))
767 return !bt_device_add(endp);
768
769 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
770 return 1;
771 }
772
773 static int parse_sandbox(QemuOpts *opts, void *opaque)
774 {
775 /* FIXME: change this to true for 1.3 */
776 if (qemu_opt_get_bool(opts, "enable", false)) {
777 #ifdef CONFIG_SECCOMP
778 if (seccomp_start() < 0) {
779 qerror_report(ERROR_CLASS_GENERIC_ERROR,
780 "failed to install seccomp syscall filter in the kernel");
781 return -1;
782 }
783 #else
784 qerror_report(ERROR_CLASS_GENERIC_ERROR,
785 "sandboxing request but seccomp is not compiled into this build");
786 return -1;
787 #endif
788 }
789
790 return 0;
791 }
792
793 /***********************************************************/
794 /* QEMU Block devices */
795
796 #define HD_OPTS "media=disk"
797 #define CDROM_OPTS "media=cdrom"
798 #define FD_OPTS ""
799 #define PFLASH_OPTS ""
800 #define MTD_OPTS ""
801 #define SD_OPTS ""
802
803 static int drive_init_func(QemuOpts *opts, void *opaque)
804 {
805 int *use_scsi = opaque;
806
807 return drive_init(opts, *use_scsi) == NULL;
808 }
809
810 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
811 {
812 if (NULL == qemu_opt_get(opts, "snapshot")) {
813 qemu_opt_set(opts, "snapshot", "on");
814 }
815 return 0;
816 }
817
818 static void default_drive(int enable, int snapshot, int use_scsi,
819 BlockInterfaceType type, int index,
820 const char *optstr)
821 {
822 QemuOpts *opts;
823
824 if (type == IF_DEFAULT) {
825 type = use_scsi ? IF_SCSI : IF_IDE;
826 }
827
828 if (!enable || drive_get_by_index(type, index)) {
829 return;
830 }
831
832 opts = drive_add(type, index, NULL, optstr);
833 if (snapshot) {
834 drive_enable_snapshot(opts, NULL);
835 }
836 if (!drive_init(opts, use_scsi)) {
837 exit(1);
838 }
839 }
840
841 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
842 {
843 boot_set_handler = func;
844 boot_set_opaque = opaque;
845 }
846
847 int qemu_boot_set(const char *boot_devices)
848 {
849 if (!boot_set_handler) {
850 return -EINVAL;
851 }
852 return boot_set_handler(boot_set_opaque, boot_devices);
853 }
854
855 static void validate_bootdevices(char *devices)
856 {
857 /* We just do some generic consistency checks */
858 const char *p;
859 int bitmap = 0;
860
861 for (p = devices; *p != '\0'; p++) {
862 /* Allowed boot devices are:
863 * a-b: floppy disk drives
864 * c-f: IDE disk drives
865 * g-m: machine implementation dependent drives
866 * n-p: network devices
867 * It's up to each machine implementation to check if the given boot
868 * devices match the actual hardware implementation and firmware
869 * features.
870 */
871 if (*p < 'a' || *p > 'p') {
872 fprintf(stderr, "Invalid boot device '%c'\n", *p);
873 exit(1);
874 }
875 if (bitmap & (1 << (*p - 'a'))) {
876 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
877 exit(1);
878 }
879 bitmap |= 1 << (*p - 'a');
880 }
881 }
882
883 static void restore_boot_devices(void *opaque)
884 {
885 char *standard_boot_devices = opaque;
886 static int first = 1;
887
888 /* Restore boot order and remove ourselves after the first boot */
889 if (first) {
890 first = 0;
891 return;
892 }
893
894 qemu_boot_set(standard_boot_devices);
895
896 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
897 g_free(standard_boot_devices);
898 }
899
900 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
901 const char *suffix)
902 {
903 FWBootEntry *node, *i;
904
905 if (bootindex < 0) {
906 return;
907 }
908
909 assert(dev != NULL || suffix != NULL);
910
911 node = g_malloc0(sizeof(FWBootEntry));
912 node->bootindex = bootindex;
913 node->suffix = suffix ? g_strdup(suffix) : NULL;
914 node->dev = dev;
915
916 QTAILQ_FOREACH(i, &fw_boot_order, link) {
917 if (i->bootindex == bootindex) {
918 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
919 exit(1);
920 } else if (i->bootindex < bootindex) {
921 continue;
922 }
923 QTAILQ_INSERT_BEFORE(i, node, link);
924 return;
925 }
926 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
927 }
928
929 /*
930 * This function returns null terminated string that consist of new line
931 * separated device paths.
932 *
933 * memory pointed by "size" is assigned total length of the array in bytes
934 *
935 */
936 char *get_boot_devices_list(uint32_t *size)
937 {
938 FWBootEntry *i;
939 uint32_t total = 0;
940 char *list = NULL;
941
942 QTAILQ_FOREACH(i, &fw_boot_order, link) {
943 char *devpath = NULL, *bootpath;
944 int len;
945
946 if (i->dev) {
947 devpath = qdev_get_fw_dev_path(i->dev);
948 assert(devpath);
949 }
950
951 if (i->suffix && devpath) {
952 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
953
954 bootpath = g_malloc(bootpathlen);
955 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
956 g_free(devpath);
957 } else if (devpath) {
958 bootpath = devpath;
959 } else {
960 assert(i->suffix);
961 bootpath = g_strdup(i->suffix);
962 }
963
964 if (total) {
965 list[total-1] = '\n';
966 }
967 len = strlen(bootpath) + 1;
968 list = g_realloc(list, total + len);
969 memcpy(&list[total], bootpath, len);
970 total += len;
971 g_free(bootpath);
972 }
973
974 *size = total;
975
976 return list;
977 }
978
979 static void numa_add(const char *optarg)
980 {
981 char option[128];
982 char *endptr;
983 unsigned long long value, endvalue;
984 int nodenr;
985
986 value = endvalue = 0ULL;
987
988 optarg = get_opt_name(option, 128, optarg, ',') + 1;
989 if (!strcmp(option, "node")) {
990 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
991 nodenr = nb_numa_nodes;
992 } else {
993 nodenr = strtoull(option, NULL, 10);
994 }
995
996 if (get_param_value(option, 128, "mem", optarg) == 0) {
997 node_mem[nodenr] = 0;
998 } else {
999 int64_t sval;
1000 sval = strtosz(option, &endptr);
1001 if (sval < 0 || *endptr) {
1002 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1003 exit(1);
1004 }
1005 node_mem[nodenr] = sval;
1006 }
1007 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1008 value = strtoull(option, &endptr, 10);
1009 if (*endptr == '-') {
1010 endvalue = strtoull(endptr+1, &endptr, 10);
1011 } else {
1012 endvalue = value;
1013 }
1014
1015 if (!(endvalue < MAX_CPUMASK_BITS)) {
1016 endvalue = MAX_CPUMASK_BITS - 1;
1017 fprintf(stderr,
1018 "A max of %d CPUs are supported in a guest\n",
1019 MAX_CPUMASK_BITS);
1020 }
1021
1022 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1023 }
1024 nb_numa_nodes++;
1025 }
1026 return;
1027 }
1028
1029 static void smp_parse(const char *optarg)
1030 {
1031 int smp, sockets = 0, threads = 0, cores = 0;
1032 char *endptr;
1033 char option[128];
1034
1035 smp = strtoul(optarg, &endptr, 10);
1036 if (endptr != optarg) {
1037 if (*endptr == ',') {
1038 endptr++;
1039 }
1040 }
1041 if (get_param_value(option, 128, "sockets", endptr) != 0)
1042 sockets = strtoull(option, NULL, 10);
1043 if (get_param_value(option, 128, "cores", endptr) != 0)
1044 cores = strtoull(option, NULL, 10);
1045 if (get_param_value(option, 128, "threads", endptr) != 0)
1046 threads = strtoull(option, NULL, 10);
1047 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1048 max_cpus = strtoull(option, NULL, 10);
1049
1050 /* compute missing values, prefer sockets over cores over threads */
1051 if (smp == 0 || sockets == 0) {
1052 sockets = sockets > 0 ? sockets : 1;
1053 cores = cores > 0 ? cores : 1;
1054 threads = threads > 0 ? threads : 1;
1055 if (smp == 0) {
1056 smp = cores * threads * sockets;
1057 }
1058 } else {
1059 if (cores == 0) {
1060 threads = threads > 0 ? threads : 1;
1061 cores = smp / (sockets * threads);
1062 } else {
1063 threads = smp / (cores * sockets);
1064 }
1065 }
1066 smp_cpus = smp;
1067 smp_cores = cores > 0 ? cores : 1;
1068 smp_threads = threads > 0 ? threads : 1;
1069 if (max_cpus == 0)
1070 max_cpus = smp_cpus;
1071 }
1072
1073 /***********************************************************/
1074 /* USB devices */
1075
1076 static int usb_device_add(const char *devname)
1077 {
1078 const char *p;
1079 USBDevice *dev = NULL;
1080
1081 if (!usb_enabled)
1082 return -1;
1083
1084 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1085 dev = usbdevice_create(devname);
1086 if (dev)
1087 goto done;
1088
1089 /* the other ones */
1090 #ifndef CONFIG_LINUX
1091 /* only the linux version is qdev-ified, usb-bsd still needs this */
1092 if (strstart(devname, "host:", &p)) {
1093 dev = usb_host_device_open(usb_bus_find(-1), p);
1094 } else
1095 #endif
1096 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1097 dev = usb_bt_init(usb_bus_find(-1),
1098 devname[2] ? hci_init(p)
1099 : bt_new_hci(qemu_find_bt_vlan(0)));
1100 } else {
1101 return -1;
1102 }
1103 if (!dev)
1104 return -1;
1105
1106 done:
1107 return 0;
1108 }
1109
1110 static int usb_device_del(const char *devname)
1111 {
1112 int bus_num, addr;
1113 const char *p;
1114
1115 if (strstart(devname, "host:", &p))
1116 return usb_host_device_close(p);
1117
1118 if (!usb_enabled)
1119 return -1;
1120
1121 p = strchr(devname, '.');
1122 if (!p)
1123 return -1;
1124 bus_num = strtoul(devname, NULL, 0);
1125 addr = strtoul(p + 1, NULL, 0);
1126
1127 return usb_device_delete_addr(bus_num, addr);
1128 }
1129
1130 static int usb_parse(const char *cmdline)
1131 {
1132 int r;
1133 r = usb_device_add(cmdline);
1134 if (r < 0) {
1135 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1136 }
1137 return r;
1138 }
1139
1140 void do_usb_add(Monitor *mon, const QDict *qdict)
1141 {
1142 const char *devname = qdict_get_str(qdict, "devname");
1143 if (usb_device_add(devname) < 0) {
1144 error_report("could not add USB device '%s'", devname);
1145 }
1146 }
1147
1148 void do_usb_del(Monitor *mon, const QDict *qdict)
1149 {
1150 const char *devname = qdict_get_str(qdict, "devname");
1151 if (usb_device_del(devname) < 0) {
1152 error_report("could not delete USB device '%s'", devname);
1153 }
1154 }
1155
1156 /***********************************************************/
1157 /* PCMCIA/Cardbus */
1158
1159 static struct pcmcia_socket_entry_s {
1160 PCMCIASocket *socket;
1161 struct pcmcia_socket_entry_s *next;
1162 } *pcmcia_sockets = 0;
1163
1164 void pcmcia_socket_register(PCMCIASocket *socket)
1165 {
1166 struct pcmcia_socket_entry_s *entry;
1167
1168 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1169 entry->socket = socket;
1170 entry->next = pcmcia_sockets;
1171 pcmcia_sockets = entry;
1172 }
1173
1174 void pcmcia_socket_unregister(PCMCIASocket *socket)
1175 {
1176 struct pcmcia_socket_entry_s *entry, **ptr;
1177
1178 ptr = &pcmcia_sockets;
1179 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1180 if (entry->socket == socket) {
1181 *ptr = entry->next;
1182 g_free(entry);
1183 }
1184 }
1185
1186 void pcmcia_info(Monitor *mon)
1187 {
1188 struct pcmcia_socket_entry_s *iter;
1189
1190 if (!pcmcia_sockets)
1191 monitor_printf(mon, "No PCMCIA sockets\n");
1192
1193 for (iter = pcmcia_sockets; iter; iter = iter->next)
1194 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1195 iter->socket->attached ? iter->socket->card_string :
1196 "Empty");
1197 }
1198
1199 /***********************************************************/
1200 /* machine registration */
1201
1202 static QEMUMachine *first_machine = NULL;
1203 QEMUMachine *current_machine = NULL;
1204
1205 int qemu_register_machine(QEMUMachine *m)
1206 {
1207 QEMUMachine **pm;
1208 pm = &first_machine;
1209 while (*pm != NULL)
1210 pm = &(*pm)->next;
1211 m->next = NULL;
1212 *pm = m;
1213 return 0;
1214 }
1215
1216 static QEMUMachine *find_machine(const char *name)
1217 {
1218 QEMUMachine *m;
1219
1220 for(m = first_machine; m != NULL; m = m->next) {
1221 if (!strcmp(m->name, name))
1222 return m;
1223 if (m->alias && !strcmp(m->alias, name))
1224 return m;
1225 }
1226 return NULL;
1227 }
1228
1229 QEMUMachine *find_default_machine(void)
1230 {
1231 QEMUMachine *m;
1232
1233 for(m = first_machine; m != NULL; m = m->next) {
1234 if (m->is_default) {
1235 return m;
1236 }
1237 }
1238 return NULL;
1239 }
1240
1241 MachineInfoList *qmp_query_machines(Error **errp)
1242 {
1243 MachineInfoList *mach_list = NULL;
1244 QEMUMachine *m;
1245
1246 for (m = first_machine; m; m = m->next) {
1247 MachineInfoList *entry;
1248 MachineInfo *info;
1249
1250 info = g_malloc0(sizeof(*info));
1251 if (m->is_default) {
1252 info->has_is_default = true;
1253 info->is_default = true;
1254 }
1255
1256 if (m->alias) {
1257 info->has_alias = true;
1258 info->alias = g_strdup(m->alias);
1259 }
1260
1261 info->name = g_strdup(m->name);
1262
1263 entry = g_malloc0(sizeof(*entry));
1264 entry->value = info;
1265 entry->next = mach_list;
1266 mach_list = entry;
1267 }
1268
1269 return mach_list;
1270 }
1271
1272 /***********************************************************/
1273 /* main execution loop */
1274
1275 static void gui_update(void *opaque)
1276 {
1277 uint64_t interval = GUI_REFRESH_INTERVAL;
1278 DisplayState *ds = opaque;
1279 DisplayChangeListener *dcl = ds->listeners;
1280
1281 dpy_refresh(ds);
1282
1283 while (dcl != NULL) {
1284 if (dcl->gui_timer_interval &&
1285 dcl->gui_timer_interval < interval)
1286 interval = dcl->gui_timer_interval;
1287 dcl = dcl->next;
1288 }
1289 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1290 }
1291
1292 struct vm_change_state_entry {
1293 VMChangeStateHandler *cb;
1294 void *opaque;
1295 QLIST_ENTRY (vm_change_state_entry) entries;
1296 };
1297
1298 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1299
1300 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1301 void *opaque)
1302 {
1303 VMChangeStateEntry *e;
1304
1305 e = g_malloc0(sizeof (*e));
1306
1307 e->cb = cb;
1308 e->opaque = opaque;
1309 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1310 return e;
1311 }
1312
1313 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1314 {
1315 QLIST_REMOVE (e, entries);
1316 g_free (e);
1317 }
1318
1319 void vm_state_notify(int running, RunState state)
1320 {
1321 VMChangeStateEntry *e;
1322
1323 trace_vm_state_notify(running, state);
1324
1325 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1326 e->cb(e->opaque, running, state);
1327 }
1328 }
1329
1330 void vm_start(void)
1331 {
1332 if (!runstate_is_running()) {
1333 cpu_enable_ticks();
1334 runstate_set(RUN_STATE_RUNNING);
1335 vm_state_notify(1, RUN_STATE_RUNNING);
1336 resume_all_vcpus();
1337 monitor_protocol_event(QEVENT_RESUME, NULL);
1338 }
1339 }
1340
1341 /* reset/shutdown handler */
1342
1343 typedef struct QEMUResetEntry {
1344 QTAILQ_ENTRY(QEMUResetEntry) entry;
1345 QEMUResetHandler *func;
1346 void *opaque;
1347 } QEMUResetEntry;
1348
1349 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1350 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1351 static int reset_requested;
1352 static int shutdown_requested, shutdown_signal = -1;
1353 static pid_t shutdown_pid;
1354 static int powerdown_requested;
1355 static int debug_requested;
1356 static int suspend_requested;
1357 static int wakeup_requested;
1358 static NotifierList powerdown_notifiers =
1359 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1360 static NotifierList suspend_notifiers =
1361 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1362 static NotifierList wakeup_notifiers =
1363 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1364 static uint32_t wakeup_reason_mask = ~0;
1365 static RunState vmstop_requested = RUN_STATE_MAX;
1366
1367 int qemu_shutdown_requested_get(void)
1368 {
1369 return shutdown_requested;
1370 }
1371
1372 int qemu_reset_requested_get(void)
1373 {
1374 return reset_requested;
1375 }
1376
1377 int qemu_shutdown_requested(void)
1378 {
1379 int r = shutdown_requested;
1380 shutdown_requested = 0;
1381 return r;
1382 }
1383
1384 void qemu_kill_report(void)
1385 {
1386 if (!qtest_enabled() && shutdown_signal != -1) {
1387 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1388 if (shutdown_pid == 0) {
1389 /* This happens for eg ^C at the terminal, so it's worth
1390 * avoiding printing an odd message in that case.
1391 */
1392 fputc('\n', stderr);
1393 } else {
1394 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1395 }
1396 shutdown_signal = -1;
1397 }
1398 }
1399
1400 int qemu_reset_requested(void)
1401 {
1402 int r = reset_requested;
1403 reset_requested = 0;
1404 return r;
1405 }
1406
1407 static int qemu_suspend_requested(void)
1408 {
1409 int r = suspend_requested;
1410 suspend_requested = 0;
1411 return r;
1412 }
1413
1414 static int qemu_wakeup_requested(void)
1415 {
1416 int r = wakeup_requested;
1417 wakeup_requested = 0;
1418 return r;
1419 }
1420
1421 int qemu_powerdown_requested(void)
1422 {
1423 int r = powerdown_requested;
1424 powerdown_requested = 0;
1425 return r;
1426 }
1427
1428 static int qemu_debug_requested(void)
1429 {
1430 int r = debug_requested;
1431 debug_requested = 0;
1432 return r;
1433 }
1434
1435 /* We use RUN_STATE_MAX but any invalid value will do */
1436 static bool qemu_vmstop_requested(RunState *r)
1437 {
1438 if (vmstop_requested < RUN_STATE_MAX) {
1439 *r = vmstop_requested;
1440 vmstop_requested = RUN_STATE_MAX;
1441 return true;
1442 }
1443
1444 return false;
1445 }
1446
1447 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1448 {
1449 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1450
1451 re->func = func;
1452 re->opaque = opaque;
1453 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1454 }
1455
1456 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1457 {
1458 QEMUResetEntry *re;
1459
1460 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1461 if (re->func == func && re->opaque == opaque) {
1462 QTAILQ_REMOVE(&reset_handlers, re, entry);
1463 g_free(re);
1464 return;
1465 }
1466 }
1467 }
1468
1469 void qemu_devices_reset(void)
1470 {
1471 QEMUResetEntry *re, *nre;
1472
1473 /* reset all devices */
1474 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1475 re->func(re->opaque);
1476 }
1477 }
1478
1479 void qemu_system_reset(bool report)
1480 {
1481 if (current_machine && current_machine->reset) {
1482 current_machine->reset();
1483 } else {
1484 qemu_devices_reset();
1485 }
1486 if (report) {
1487 monitor_protocol_event(QEVENT_RESET, NULL);
1488 }
1489 cpu_synchronize_all_post_reset();
1490 }
1491
1492 void qemu_system_reset_request(void)
1493 {
1494 if (no_reboot) {
1495 shutdown_requested = 1;
1496 } else {
1497 reset_requested = 1;
1498 }
1499 cpu_stop_current();
1500 qemu_notify_event();
1501 }
1502
1503 static void qemu_system_suspend(void)
1504 {
1505 pause_all_vcpus();
1506 notifier_list_notify(&suspend_notifiers, NULL);
1507 runstate_set(RUN_STATE_SUSPENDED);
1508 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1509 }
1510
1511 void qemu_system_suspend_request(void)
1512 {
1513 if (runstate_check(RUN_STATE_SUSPENDED)) {
1514 return;
1515 }
1516 suspend_requested = 1;
1517 cpu_stop_current();
1518 qemu_notify_event();
1519 }
1520
1521 void qemu_register_suspend_notifier(Notifier *notifier)
1522 {
1523 notifier_list_add(&suspend_notifiers, notifier);
1524 }
1525
1526 void qemu_system_wakeup_request(WakeupReason reason)
1527 {
1528 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1529 return;
1530 }
1531 if (!(wakeup_reason_mask & (1 << reason))) {
1532 return;
1533 }
1534 runstate_set(RUN_STATE_RUNNING);
1535 notifier_list_notify(&wakeup_notifiers, &reason);
1536 wakeup_requested = 1;
1537 qemu_notify_event();
1538 }
1539
1540 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1541 {
1542 if (enabled) {
1543 wakeup_reason_mask |= (1 << reason);
1544 } else {
1545 wakeup_reason_mask &= ~(1 << reason);
1546 }
1547 }
1548
1549 void qemu_register_wakeup_notifier(Notifier *notifier)
1550 {
1551 notifier_list_add(&wakeup_notifiers, notifier);
1552 }
1553
1554 void qemu_system_killed(int signal, pid_t pid)
1555 {
1556 shutdown_signal = signal;
1557 shutdown_pid = pid;
1558 no_shutdown = 0;
1559 qemu_system_shutdown_request();
1560 }
1561
1562 void qemu_system_shutdown_request(void)
1563 {
1564 shutdown_requested = 1;
1565 qemu_notify_event();
1566 }
1567
1568 void qemu_system_powerdown_request(void)
1569 {
1570 powerdown_requested = 1;
1571 qemu_notify_event();
1572 }
1573
1574 void qemu_register_powerdown_notifier(Notifier *notifier)
1575 {
1576 notifier_list_add(&powerdown_notifiers, notifier);
1577 }
1578
1579 void qemu_system_debug_request(void)
1580 {
1581 debug_requested = 1;
1582 qemu_notify_event();
1583 }
1584
1585 void qemu_system_vmstop_request(RunState state)
1586 {
1587 vmstop_requested = state;
1588 qemu_notify_event();
1589 }
1590
1591 qemu_irq qemu_system_powerdown;
1592
1593 static bool main_loop_should_exit(void)
1594 {
1595 RunState r;
1596 if (qemu_debug_requested()) {
1597 vm_stop(RUN_STATE_DEBUG);
1598 }
1599 if (qemu_suspend_requested()) {
1600 qemu_system_suspend();
1601 }
1602 if (qemu_shutdown_requested()) {
1603 qemu_kill_report();
1604 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1605 if (no_shutdown) {
1606 vm_stop(RUN_STATE_SHUTDOWN);
1607 } else {
1608 return true;
1609 }
1610 }
1611 if (qemu_reset_requested()) {
1612 pause_all_vcpus();
1613 cpu_synchronize_all_states();
1614 qemu_system_reset(VMRESET_REPORT);
1615 resume_all_vcpus();
1616 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1617 runstate_check(RUN_STATE_SHUTDOWN)) {
1618 runstate_set(RUN_STATE_PAUSED);
1619 }
1620 }
1621 if (qemu_wakeup_requested()) {
1622 pause_all_vcpus();
1623 cpu_synchronize_all_states();
1624 qemu_system_reset(VMRESET_SILENT);
1625 resume_all_vcpus();
1626 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1627 }
1628 if (qemu_powerdown_requested()) {
1629 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1630 notifier_list_notify(&powerdown_notifiers, NULL);
1631 qemu_irq_raise(qemu_system_powerdown);
1632 }
1633 if (qemu_vmstop_requested(&r)) {
1634 vm_stop(r);
1635 }
1636 return false;
1637 }
1638
1639 static void main_loop(void)
1640 {
1641 bool nonblocking;
1642 int last_io = 0;
1643 #ifdef CONFIG_PROFILER
1644 int64_t ti;
1645 #endif
1646 do {
1647 nonblocking = !kvm_enabled() && last_io > 0;
1648 #ifdef CONFIG_PROFILER
1649 ti = profile_getclock();
1650 #endif
1651 last_io = main_loop_wait(nonblocking);
1652 #ifdef CONFIG_PROFILER
1653 dev_time += profile_getclock() - ti;
1654 #endif
1655 } while (!main_loop_should_exit());
1656 }
1657
1658 static void version(void)
1659 {
1660 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1661 }
1662
1663 static void help(int exitcode)
1664 {
1665 version();
1666 printf("usage: %s [options] [disk_image]\n\n"
1667 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1668 error_get_progname());
1669
1670 #define QEMU_OPTIONS_GENERATE_HELP
1671 #include "qemu-options-wrapper.h"
1672
1673 printf("\nDuring emulation, the following keys are useful:\n"
1674 "ctrl-alt-f toggle full screen\n"
1675 "ctrl-alt-n switch to virtual console 'n'\n"
1676 "ctrl-alt toggle mouse and keyboard grab\n"
1677 "\n"
1678 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1679
1680 exit(exitcode);
1681 }
1682
1683 #define HAS_ARG 0x0001
1684
1685 typedef struct QEMUOption {
1686 const char *name;
1687 int flags;
1688 int index;
1689 uint32_t arch_mask;
1690 } QEMUOption;
1691
1692 static const QEMUOption qemu_options[] = {
1693 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1694 #define QEMU_OPTIONS_GENERATE_OPTIONS
1695 #include "qemu-options-wrapper.h"
1696 { NULL },
1697 };
1698
1699 static bool vga_available(void)
1700 {
1701 return qdev_exists("VGA") || qdev_exists("isa-vga");
1702 }
1703
1704 static bool cirrus_vga_available(void)
1705 {
1706 return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1707 }
1708
1709 static bool vmware_vga_available(void)
1710 {
1711 return qdev_exists("vmware-svga");
1712 }
1713
1714 static void select_vgahw (const char *p)
1715 {
1716 const char *opts;
1717
1718 vga_interface_type = VGA_NONE;
1719 if (strstart(p, "std", &opts)) {
1720 if (vga_available()) {
1721 vga_interface_type = VGA_STD;
1722 } else {
1723 fprintf(stderr, "Error: standard VGA not available\n");
1724 exit(0);
1725 }
1726 } else if (strstart(p, "cirrus", &opts)) {
1727 if (cirrus_vga_available()) {
1728 vga_interface_type = VGA_CIRRUS;
1729 } else {
1730 fprintf(stderr, "Error: Cirrus VGA not available\n");
1731 exit(0);
1732 }
1733 } else if (strstart(p, "vmware", &opts)) {
1734 if (vmware_vga_available()) {
1735 vga_interface_type = VGA_VMWARE;
1736 } else {
1737 fprintf(stderr, "Error: VMWare SVGA not available\n");
1738 exit(0);
1739 }
1740 } else if (strstart(p, "xenfb", &opts)) {
1741 vga_interface_type = VGA_XENFB;
1742 } else if (strstart(p, "qxl", &opts)) {
1743 vga_interface_type = VGA_QXL;
1744 } else if (!strstart(p, "none", &opts)) {
1745 invalid_vga:
1746 fprintf(stderr, "Unknown vga type: %s\n", p);
1747 exit(1);
1748 }
1749 while (*opts) {
1750 const char *nextopt;
1751
1752 if (strstart(opts, ",retrace=", &nextopt)) {
1753 opts = nextopt;
1754 if (strstart(opts, "dumb", &nextopt))
1755 vga_retrace_method = VGA_RETRACE_DUMB;
1756 else if (strstart(opts, "precise", &nextopt))
1757 vga_retrace_method = VGA_RETRACE_PRECISE;
1758 else goto invalid_vga;
1759 } else goto invalid_vga;
1760 opts = nextopt;
1761 }
1762 }
1763
1764 static DisplayType select_display(const char *p)
1765 {
1766 const char *opts;
1767 DisplayType display = DT_DEFAULT;
1768
1769 if (strstart(p, "sdl", &opts)) {
1770 #ifdef CONFIG_SDL
1771 display = DT_SDL;
1772 while (*opts) {
1773 const char *nextopt;
1774
1775 if (strstart(opts, ",frame=", &nextopt)) {
1776 opts = nextopt;
1777 if (strstart(opts, "on", &nextopt)) {
1778 no_frame = 0;
1779 } else if (strstart(opts, "off", &nextopt)) {
1780 no_frame = 1;
1781 } else {
1782 goto invalid_sdl_args;
1783 }
1784 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1785 opts = nextopt;
1786 if (strstart(opts, "on", &nextopt)) {
1787 alt_grab = 1;
1788 } else if (strstart(opts, "off", &nextopt)) {
1789 alt_grab = 0;
1790 } else {
1791 goto invalid_sdl_args;
1792 }
1793 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1794 opts = nextopt;
1795 if (strstart(opts, "on", &nextopt)) {
1796 ctrl_grab = 1;
1797 } else if (strstart(opts, "off", &nextopt)) {
1798 ctrl_grab = 0;
1799 } else {
1800 goto invalid_sdl_args;
1801 }
1802 } else if (strstart(opts, ",window_close=", &nextopt)) {
1803 opts = nextopt;
1804 if (strstart(opts, "on", &nextopt)) {
1805 no_quit = 0;
1806 } else if (strstart(opts, "off", &nextopt)) {
1807 no_quit = 1;
1808 } else {
1809 goto invalid_sdl_args;
1810 }
1811 } else {
1812 invalid_sdl_args:
1813 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1814 exit(1);
1815 }
1816 opts = nextopt;
1817 }
1818 #else
1819 fprintf(stderr, "SDL support is disabled\n");
1820 exit(1);
1821 #endif
1822 } else if (strstart(p, "vnc", &opts)) {
1823 #ifdef CONFIG_VNC
1824 display_remote++;
1825
1826 if (*opts) {
1827 const char *nextopt;
1828
1829 if (strstart(opts, "=", &nextopt)) {
1830 vnc_display = nextopt;
1831 }
1832 }
1833 if (!vnc_display) {
1834 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1835 exit(1);
1836 }
1837 #else
1838 fprintf(stderr, "VNC support is disabled\n");
1839 exit(1);
1840 #endif
1841 } else if (strstart(p, "curses", &opts)) {
1842 #ifdef CONFIG_CURSES
1843 display = DT_CURSES;
1844 #else
1845 fprintf(stderr, "Curses support is disabled\n");
1846 exit(1);
1847 #endif
1848 } else if (strstart(p, "none", &opts)) {
1849 display = DT_NONE;
1850 } else {
1851 fprintf(stderr, "Unknown display type: %s\n", p);
1852 exit(1);
1853 }
1854
1855 return display;
1856 }
1857
1858 static int balloon_parse(const char *arg)
1859 {
1860 QemuOpts *opts;
1861
1862 if (strcmp(arg, "none") == 0) {
1863 return 0;
1864 }
1865
1866 if (!strncmp(arg, "virtio", 6)) {
1867 if (arg[6] == ',') {
1868 /* have params -> parse them */
1869 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1870 if (!opts)
1871 return -1;
1872 } else {
1873 /* create empty opts */
1874 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1875 }
1876 qemu_opt_set(opts, "driver", "virtio-balloon");
1877 return 0;
1878 }
1879
1880 return -1;
1881 }
1882
1883 char *qemu_find_file(int type, const char *name)
1884 {
1885 int len;
1886 const char *subdir;
1887 char *buf;
1888
1889 /* Try the name as a straight path first */
1890 if (access(name, R_OK) == 0) {
1891 return g_strdup(name);
1892 }
1893 switch (type) {
1894 case QEMU_FILE_TYPE_BIOS:
1895 subdir = "";
1896 break;
1897 case QEMU_FILE_TYPE_KEYMAP:
1898 subdir = "keymaps/";
1899 break;
1900 default:
1901 abort();
1902 }
1903 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1904 buf = g_malloc0(len);
1905 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1906 if (access(buf, R_OK)) {
1907 g_free(buf);
1908 return NULL;
1909 }
1910 return buf;
1911 }
1912
1913 static int device_help_func(QemuOpts *opts, void *opaque)
1914 {
1915 return qdev_device_help(opts);
1916 }
1917
1918 static int device_init_func(QemuOpts *opts, void *opaque)
1919 {
1920 DeviceState *dev;
1921
1922 dev = qdev_device_add(opts);
1923 if (!dev)
1924 return -1;
1925 return 0;
1926 }
1927
1928 static int chardev_init_func(QemuOpts *opts, void *opaque)
1929 {
1930 CharDriverState *chr;
1931
1932 chr = qemu_chr_new_from_opts(opts, NULL);
1933 if (!chr)
1934 return -1;
1935 return 0;
1936 }
1937
1938 #ifdef CONFIG_VIRTFS
1939 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1940 {
1941 int ret;
1942 ret = qemu_fsdev_add(opts);
1943
1944 return ret;
1945 }
1946 #endif
1947
1948 static int mon_init_func(QemuOpts *opts, void *opaque)
1949 {
1950 CharDriverState *chr;
1951 const char *chardev;
1952 const char *mode;
1953 int flags;
1954
1955 mode = qemu_opt_get(opts, "mode");
1956 if (mode == NULL) {
1957 mode = "readline";
1958 }
1959 if (strcmp(mode, "readline") == 0) {
1960 flags = MONITOR_USE_READLINE;
1961 } else if (strcmp(mode, "control") == 0) {
1962 flags = MONITOR_USE_CONTROL;
1963 } else {
1964 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1965 exit(1);
1966 }
1967
1968 if (qemu_opt_get_bool(opts, "pretty", 0))
1969 flags |= MONITOR_USE_PRETTY;
1970
1971 if (qemu_opt_get_bool(opts, "default", 0))
1972 flags |= MONITOR_IS_DEFAULT;
1973
1974 chardev = qemu_opt_get(opts, "chardev");
1975 chr = qemu_chr_find(chardev);
1976 if (chr == NULL) {
1977 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1978 exit(1);
1979 }
1980
1981 monitor_init(chr, flags);
1982 return 0;
1983 }
1984
1985 static void monitor_parse(const char *optarg, const char *mode)
1986 {
1987 static int monitor_device_index = 0;
1988 QemuOpts *opts;
1989 const char *p;
1990 char label[32];
1991 int def = 0;
1992
1993 if (strstart(optarg, "chardev:", &p)) {
1994 snprintf(label, sizeof(label), "%s", p);
1995 } else {
1996 snprintf(label, sizeof(label), "compat_monitor%d",
1997 monitor_device_index);
1998 if (monitor_device_index == 0) {
1999 def = 1;
2000 }
2001 opts = qemu_chr_parse_compat(label, optarg);
2002 if (!opts) {
2003 fprintf(stderr, "parse error: %s\n", optarg);
2004 exit(1);
2005 }
2006 }
2007
2008 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2009 if (!opts) {
2010 fprintf(stderr, "duplicate chardev: %s\n", label);
2011 exit(1);
2012 }
2013 qemu_opt_set(opts, "mode", mode);
2014 qemu_opt_set(opts, "chardev", label);
2015 if (def)
2016 qemu_opt_set(opts, "default", "on");
2017 monitor_device_index++;
2018 }
2019
2020 struct device_config {
2021 enum {
2022 DEV_USB, /* -usbdevice */
2023 DEV_BT, /* -bt */
2024 DEV_SERIAL, /* -serial */
2025 DEV_PARALLEL, /* -parallel */
2026 DEV_VIRTCON, /* -virtioconsole */
2027 DEV_DEBUGCON, /* -debugcon */
2028 DEV_GDB, /* -gdb, -s */
2029 } type;
2030 const char *cmdline;
2031 Location loc;
2032 QTAILQ_ENTRY(device_config) next;
2033 };
2034 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2035
2036 static void add_device_config(int type, const char *cmdline)
2037 {
2038 struct device_config *conf;
2039
2040 conf = g_malloc0(sizeof(*conf));
2041 conf->type = type;
2042 conf->cmdline = cmdline;
2043 loc_save(&conf->loc);
2044 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2045 }
2046
2047 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2048 {
2049 struct device_config *conf;
2050 int rc;
2051
2052 QTAILQ_FOREACH(conf, &device_configs, next) {
2053 if (conf->type != type)
2054 continue;
2055 loc_push_restore(&conf->loc);
2056 rc = func(conf->cmdline);
2057 loc_pop(&conf->loc);
2058 if (0 != rc)
2059 return rc;
2060 }
2061 return 0;
2062 }
2063
2064 static int serial_parse(const char *devname)
2065 {
2066 static int index = 0;
2067 char label[32];
2068
2069 if (strcmp(devname, "none") == 0)
2070 return 0;
2071 if (index == MAX_SERIAL_PORTS) {
2072 fprintf(stderr, "qemu: too many serial ports\n");
2073 exit(1);
2074 }
2075 snprintf(label, sizeof(label), "serial%d", index);
2076 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2077 if (!serial_hds[index]) {
2078 fprintf(stderr, "qemu: could not connect serial device"
2079 " to character backend '%s'\n", devname);
2080 return -1;
2081 }
2082 index++;
2083 return 0;
2084 }
2085
2086 static int parallel_parse(const char *devname)
2087 {
2088 static int index = 0;
2089 char label[32];
2090
2091 if (strcmp(devname, "none") == 0)
2092 return 0;
2093 if (index == MAX_PARALLEL_PORTS) {
2094 fprintf(stderr, "qemu: too many parallel ports\n");
2095 exit(1);
2096 }
2097 snprintf(label, sizeof(label), "parallel%d", index);
2098 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2099 if (!parallel_hds[index]) {
2100 fprintf(stderr, "qemu: could not connect parallel device"
2101 " to character backend '%s'\n", devname);
2102 return -1;
2103 }
2104 index++;
2105 return 0;
2106 }
2107
2108 static int virtcon_parse(const char *devname)
2109 {
2110 QemuOptsList *device = qemu_find_opts("device");
2111 static int index = 0;
2112 char label[32];
2113 QemuOpts *bus_opts, *dev_opts;
2114
2115 if (strcmp(devname, "none") == 0)
2116 return 0;
2117 if (index == MAX_VIRTIO_CONSOLES) {
2118 fprintf(stderr, "qemu: too many virtio consoles\n");
2119 exit(1);
2120 }
2121
2122 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2123 if (arch_type == QEMU_ARCH_S390X) {
2124 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2125 } else {
2126 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2127 }
2128
2129 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2130 qemu_opt_set(dev_opts, "driver", "virtconsole");
2131
2132 snprintf(label, sizeof(label), "virtcon%d", index);
2133 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2134 if (!virtcon_hds[index]) {
2135 fprintf(stderr, "qemu: could not connect virtio console"
2136 " to character backend '%s'\n", devname);
2137 return -1;
2138 }
2139 qemu_opt_set(dev_opts, "chardev", label);
2140
2141 index++;
2142 return 0;
2143 }
2144
2145 static int debugcon_parse(const char *devname)
2146 {
2147 QemuOpts *opts;
2148
2149 if (!qemu_chr_new("debugcon", devname, NULL)) {
2150 exit(1);
2151 }
2152 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2153 if (!opts) {
2154 fprintf(stderr, "qemu: already have a debugcon device\n");
2155 exit(1);
2156 }
2157 qemu_opt_set(opts, "driver", "isa-debugcon");
2158 qemu_opt_set(opts, "chardev", "debugcon");
2159 return 0;
2160 }
2161
2162 static QEMUMachine *machine_parse(const char *name)
2163 {
2164 QEMUMachine *m, *machine = NULL;
2165
2166 if (name) {
2167 machine = find_machine(name);
2168 }
2169 if (machine) {
2170 return machine;
2171 }
2172 printf("Supported machines are:\n");
2173 for (m = first_machine; m != NULL; m = m->next) {
2174 if (m->alias) {
2175 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2176 }
2177 printf("%-20s %s%s\n", m->name, m->desc,
2178 m->is_default ? " (default)" : "");
2179 }
2180 exit(!name || !is_help_option(name));
2181 }
2182
2183 static int tcg_init(void)
2184 {
2185 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2186 return 0;
2187 }
2188
2189 static struct {
2190 const char *opt_name;
2191 const char *name;
2192 int (*available)(void);
2193 int (*init)(void);
2194 int *allowed;
2195 } accel_list[] = {
2196 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2197 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2198 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2199 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2200 };
2201
2202 static int configure_accelerator(void)
2203 {
2204 const char *p = NULL;
2205 char buf[10];
2206 int i, ret;
2207 bool accel_initialised = 0;
2208 bool init_failed = 0;
2209
2210 QemuOptsList *list = qemu_find_opts("machine");
2211 if (!QTAILQ_EMPTY(&list->head)) {
2212 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2213 }
2214
2215 if (p == NULL) {
2216 /* Use the default "accelerator", tcg */
2217 p = "tcg";
2218 }
2219
2220 while (!accel_initialised && *p != '\0') {
2221 if (*p == ':') {
2222 p++;
2223 }
2224 p = get_opt_name(buf, sizeof (buf), p, ':');
2225 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2226 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2227 *(accel_list[i].allowed) = 1;
2228 ret = accel_list[i].init();
2229 if (ret < 0) {
2230 init_failed = 1;
2231 if (!accel_list[i].available()) {
2232 printf("%s not supported for this target\n",
2233 accel_list[i].name);
2234 } else {
2235 fprintf(stderr, "failed to initialize %s: %s\n",
2236 accel_list[i].name,
2237 strerror(-ret));
2238 }
2239 *(accel_list[i].allowed) = 0;
2240 } else {
2241 accel_initialised = 1;
2242 }
2243 break;
2244 }
2245 }
2246 if (i == ARRAY_SIZE(accel_list)) {
2247 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2248 }
2249 }
2250
2251 if (!accel_initialised) {
2252 fprintf(stderr, "No accelerator found!\n");
2253 exit(1);
2254 }
2255
2256 if (init_failed) {
2257 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2258 }
2259
2260 return !accel_initialised;
2261 }
2262
2263 void qemu_add_exit_notifier(Notifier *notify)
2264 {
2265 notifier_list_add(&exit_notifiers, notify);
2266 }
2267
2268 void qemu_remove_exit_notifier(Notifier *notify)
2269 {
2270 notifier_remove(notify);
2271 }
2272
2273 static void qemu_run_exit_notifiers(void)
2274 {
2275 notifier_list_notify(&exit_notifiers, NULL);
2276 }
2277
2278 void qemu_add_machine_init_done_notifier(Notifier *notify)
2279 {
2280 notifier_list_add(&machine_init_done_notifiers, notify);
2281 }
2282
2283 static void qemu_run_machine_init_done_notifiers(void)
2284 {
2285 notifier_list_notify(&machine_init_done_notifiers, NULL);
2286 }
2287
2288 static const QEMUOption *lookup_opt(int argc, char **argv,
2289 const char **poptarg, int *poptind)
2290 {
2291 const QEMUOption *popt;
2292 int optind = *poptind;
2293 char *r = argv[optind];
2294 const char *optarg;
2295
2296 loc_set_cmdline(argv, optind, 1);
2297 optind++;
2298 /* Treat --foo the same as -foo. */
2299 if (r[1] == '-')
2300 r++;
2301 popt = qemu_options;
2302 for(;;) {
2303 if (!popt->name) {
2304 error_report("invalid option");
2305 exit(1);
2306 }
2307 if (!strcmp(popt->name, r + 1))
2308 break;
2309 popt++;
2310 }
2311 if (popt->flags & HAS_ARG) {
2312 if (optind >= argc) {
2313 error_report("requires an argument");
2314 exit(1);
2315 }
2316 optarg = argv[optind++];
2317 loc_set_cmdline(argv, optind - 2, 2);
2318 } else {
2319 optarg = NULL;
2320 }
2321
2322 *poptarg = optarg;
2323 *poptind = optind;
2324
2325 return popt;
2326 }
2327
2328 static gpointer malloc_and_trace(gsize n_bytes)
2329 {
2330 void *ptr = malloc(n_bytes);
2331 trace_g_malloc(n_bytes, ptr);
2332 return ptr;
2333 }
2334
2335 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2336 {
2337 void *ptr = realloc(mem, n_bytes);
2338 trace_g_realloc(mem, n_bytes, ptr);
2339 return ptr;
2340 }
2341
2342 static void free_and_trace(gpointer mem)
2343 {
2344 trace_g_free(mem);
2345 free(mem);
2346 }
2347
2348 int qemu_init_main_loop(void)
2349 {
2350 return main_loop_init();
2351 }
2352
2353 int main(int argc, char **argv, char **envp)
2354 {
2355 int i;
2356 int snapshot, linux_boot;
2357 const char *icount_option = NULL;
2358 const char *initrd_filename;
2359 const char *kernel_filename, *kernel_cmdline;
2360 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2361 DisplayState *ds;
2362 DisplayChangeListener *dcl;
2363 int cyls, heads, secs, translation;
2364 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2365 QemuOptsList *olist;
2366 int optind;
2367 const char *optarg;
2368 const char *loadvm = NULL;
2369 QEMUMachine *machine;
2370 const char *cpu_model;
2371 const char *vga_model = "none";
2372 const char *pid_file = NULL;
2373 const char *incoming = NULL;
2374 #ifdef CONFIG_VNC
2375 int show_vnc_port = 0;
2376 #endif
2377 bool defconfig = true;
2378 bool userconfig = true;
2379 const char *log_mask = NULL;
2380 const char *log_file = NULL;
2381 GMemVTable mem_trace = {
2382 .malloc = malloc_and_trace,
2383 .realloc = realloc_and_trace,
2384 .free = free_and_trace,
2385 };
2386 const char *trace_events = NULL;
2387 const char *trace_file = NULL;
2388
2389 atexit(qemu_run_exit_notifiers);
2390 error_set_progname(argv[0]);
2391
2392 g_mem_set_vtable(&mem_trace);
2393 if (!g_thread_supported()) {
2394 #if !GLIB_CHECK_VERSION(2, 31, 0)
2395 g_thread_init(NULL);
2396 #else
2397 fprintf(stderr, "glib threading failed to initialize.\n");
2398 exit(1);
2399 #endif
2400 }
2401
2402 module_call_init(MODULE_INIT_QOM);
2403
2404 runstate_init();
2405
2406 init_clocks();
2407 rtc_clock = host_clock;
2408
2409 qemu_cache_utils_init(envp);
2410
2411 QLIST_INIT (&vm_change_state_head);
2412 os_setup_early_signal_handling();
2413
2414 module_call_init(MODULE_INIT_MACHINE);
2415 machine = find_default_machine();
2416 cpu_model = NULL;
2417 ram_size = 0;
2418 snapshot = 0;
2419 cyls = heads = secs = 0;
2420 translation = BIOS_ATA_TRANSLATION_AUTO;
2421
2422 for (i = 0; i < MAX_NODES; i++) {
2423 node_mem[i] = 0;
2424 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2425 }
2426
2427 nb_numa_nodes = 0;
2428 nb_nics = 0;
2429
2430 autostart= 1;
2431
2432 /* first pass of option parsing */
2433 optind = 1;
2434 while (optind < argc) {
2435 if (argv[optind][0] != '-') {
2436 /* disk image */
2437 optind++;
2438 continue;
2439 } else {
2440 const QEMUOption *popt;
2441
2442 popt = lookup_opt(argc, argv, &optarg, &optind);
2443 switch (popt->index) {
2444 case QEMU_OPTION_nodefconfig:
2445 defconfig = false;
2446 break;
2447 case QEMU_OPTION_nouserconfig:
2448 userconfig = false;
2449 break;
2450 }
2451 }
2452 }
2453
2454 if (defconfig) {
2455 int ret;
2456 ret = qemu_read_default_config_files(userconfig);
2457 if (ret < 0) {
2458 exit(1);
2459 }
2460 }
2461
2462 /* second pass of option parsing */
2463 optind = 1;
2464 for(;;) {
2465 if (optind >= argc)
2466 break;
2467 if (argv[optind][0] != '-') {
2468 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2469 } else {
2470 const QEMUOption *popt;
2471
2472 popt = lookup_opt(argc, argv, &optarg, &optind);
2473 if (!(popt->arch_mask & arch_type)) {
2474 printf("Option %s not supported for this target\n", popt->name);
2475 exit(1);
2476 }
2477 switch(popt->index) {
2478 case QEMU_OPTION_M:
2479 machine = machine_parse(optarg);
2480 break;
2481 case QEMU_OPTION_cpu:
2482 /* hw initialization will check this */
2483 cpu_model = optarg;
2484 break;
2485 case QEMU_OPTION_hda:
2486 {
2487 char buf[256];
2488 if (cyls == 0)
2489 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2490 else
2491 snprintf(buf, sizeof(buf),
2492 "%s,cyls=%d,heads=%d,secs=%d%s",
2493 HD_OPTS , cyls, heads, secs,
2494 translation == BIOS_ATA_TRANSLATION_LBA ?
2495 ",trans=lba" :
2496 translation == BIOS_ATA_TRANSLATION_NONE ?
2497 ",trans=none" : "");
2498 drive_add(IF_DEFAULT, 0, optarg, buf);
2499 break;
2500 }
2501 case QEMU_OPTION_hdb:
2502 case QEMU_OPTION_hdc:
2503 case QEMU_OPTION_hdd:
2504 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2505 HD_OPTS);
2506 break;
2507 case QEMU_OPTION_drive:
2508 if (drive_def(optarg) == NULL) {
2509 exit(1);
2510 }
2511 break;
2512 case QEMU_OPTION_set:
2513 if (qemu_set_option(optarg) != 0)
2514 exit(1);
2515 break;
2516 case QEMU_OPTION_global:
2517 if (qemu_global_option(optarg) != 0)
2518 exit(1);
2519 break;
2520 case QEMU_OPTION_mtdblock:
2521 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2522 break;
2523 case QEMU_OPTION_sd:
2524 drive_add(IF_SD, 0, optarg, SD_OPTS);
2525 break;
2526 case QEMU_OPTION_pflash:
2527 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2528 break;
2529 case QEMU_OPTION_snapshot:
2530 snapshot = 1;
2531 break;
2532 case QEMU_OPTION_hdachs:
2533 {
2534 const char *p;
2535 p = optarg;
2536 cyls = strtol(p, (char **)&p, 0);
2537 if (cyls < 1 || cyls > 16383)
2538 goto chs_fail;
2539 if (*p != ',')
2540 goto chs_fail;
2541 p++;
2542 heads = strtol(p, (char **)&p, 0);
2543 if (heads < 1 || heads > 16)
2544 goto chs_fail;
2545 if (*p != ',')
2546 goto chs_fail;
2547 p++;
2548 secs = strtol(p, (char **)&p, 0);
2549 if (secs < 1 || secs > 63)
2550 goto chs_fail;
2551 if (*p == ',') {
2552 p++;
2553 if (!strcmp(p, "none"))
2554 translation = BIOS_ATA_TRANSLATION_NONE;
2555 else if (!strcmp(p, "lba"))
2556 translation = BIOS_ATA_TRANSLATION_LBA;
2557 else if (!strcmp(p, "auto"))
2558 translation = BIOS_ATA_TRANSLATION_AUTO;
2559 else
2560 goto chs_fail;
2561 } else if (*p != '\0') {
2562 chs_fail:
2563 fprintf(stderr, "qemu: invalid physical CHS format\n");
2564 exit(1);
2565 }
2566 if (hda_opts != NULL) {
2567 char num[16];
2568 snprintf(num, sizeof(num), "%d", cyls);
2569 qemu_opt_set(hda_opts, "cyls", num);
2570 snprintf(num, sizeof(num), "%d", heads);
2571 qemu_opt_set(hda_opts, "heads", num);
2572 snprintf(num, sizeof(num), "%d", secs);
2573 qemu_opt_set(hda_opts, "secs", num);
2574 if (translation == BIOS_ATA_TRANSLATION_LBA)
2575 qemu_opt_set(hda_opts, "trans", "lba");
2576 if (translation == BIOS_ATA_TRANSLATION_NONE)
2577 qemu_opt_set(hda_opts, "trans", "none");
2578 }
2579 }
2580 break;
2581 case QEMU_OPTION_numa:
2582 if (nb_numa_nodes >= MAX_NODES) {
2583 fprintf(stderr, "qemu: too many NUMA nodes\n");
2584 exit(1);
2585 }
2586 numa_add(optarg);
2587 break;
2588 case QEMU_OPTION_display:
2589 display_type = select_display(optarg);
2590 break;
2591 case QEMU_OPTION_nographic:
2592 display_type = DT_NOGRAPHIC;
2593 break;
2594 case QEMU_OPTION_curses:
2595 #ifdef CONFIG_CURSES
2596 display_type = DT_CURSES;
2597 #else
2598 fprintf(stderr, "Curses support is disabled\n");
2599 exit(1);
2600 #endif
2601 break;
2602 case QEMU_OPTION_portrait:
2603 graphic_rotate = 90;
2604 break;
2605 case QEMU_OPTION_rotate:
2606 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2607 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2608 graphic_rotate != 180 && graphic_rotate != 270) {
2609 fprintf(stderr,
2610 "qemu: only 90, 180, 270 deg rotation is available\n");
2611 exit(1);
2612 }
2613 break;
2614 case QEMU_OPTION_kernel:
2615 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2616 break;
2617 case QEMU_OPTION_initrd:
2618 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2619 break;
2620 case QEMU_OPTION_append:
2621 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2622 break;
2623 case QEMU_OPTION_dtb:
2624 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2625 break;
2626 case QEMU_OPTION_cdrom:
2627 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2628 break;
2629 case QEMU_OPTION_boot:
2630 {
2631 static const char * const params[] = {
2632 "order", "once", "menu",
2633 "splash", "splash-time", NULL
2634 };
2635 char buf[sizeof(boot_devices)];
2636 char *standard_boot_devices;
2637 int legacy = 0;
2638
2639 if (!strchr(optarg, '=')) {
2640 legacy = 1;
2641 pstrcpy(buf, sizeof(buf), optarg);
2642 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2643 fprintf(stderr,
2644 "qemu: unknown boot parameter '%s' in '%s'\n",
2645 buf, optarg);
2646 exit(1);
2647 }
2648
2649 if (legacy ||
2650 get_param_value(buf, sizeof(buf), "order", optarg)) {
2651 validate_bootdevices(buf);
2652 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2653 }
2654 if (!legacy) {
2655 if (get_param_value(buf, sizeof(buf),
2656 "once", optarg)) {
2657 validate_bootdevices(buf);
2658 standard_boot_devices = g_strdup(boot_devices);
2659 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2660 qemu_register_reset(restore_boot_devices,
2661 standard_boot_devices);
2662 }
2663 if (get_param_value(buf, sizeof(buf),
2664 "menu", optarg)) {
2665 if (!strcmp(buf, "on")) {
2666 boot_menu = 1;
2667 } else if (!strcmp(buf, "off")) {
2668 boot_menu = 0;
2669 } else {
2670 fprintf(stderr,
2671 "qemu: invalid option value '%s'\n",
2672 buf);
2673 exit(1);
2674 }
2675 }
2676 qemu_opts_parse(qemu_find_opts("boot-opts"),
2677 optarg, 0);
2678 }
2679 }
2680 break;
2681 case QEMU_OPTION_fda:
2682 case QEMU_OPTION_fdb:
2683 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2684 optarg, FD_OPTS);
2685 break;
2686 case QEMU_OPTION_no_fd_bootchk:
2687 fd_bootchk = 0;
2688 break;
2689 case QEMU_OPTION_netdev:
2690 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2691 exit(1);
2692 }
2693 break;
2694 case QEMU_OPTION_net:
2695 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2696 exit(1);
2697 }
2698 break;
2699 #ifdef CONFIG_LIBISCSI
2700 case QEMU_OPTION_iscsi:
2701 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2702 if (!opts) {
2703 exit(1);
2704 }
2705 break;
2706 #endif
2707 #ifdef CONFIG_SLIRP
2708 case QEMU_OPTION_tftp:
2709 legacy_tftp_prefix = optarg;
2710 break;
2711 case QEMU_OPTION_bootp:
2712 legacy_bootp_filename = optarg;
2713 break;
2714 case QEMU_OPTION_redir:
2715 if (net_slirp_redir(optarg) < 0)
2716 exit(1);
2717 break;
2718 #endif
2719 case QEMU_OPTION_bt:
2720 add_device_config(DEV_BT, optarg);
2721 break;
2722 case QEMU_OPTION_audio_help:
2723 if (!(audio_available())) {
2724 printf("Option %s not supported for this target\n", popt->name);
2725 exit(1);
2726 }
2727 AUD_help ();
2728 exit (0);
2729 break;
2730 case QEMU_OPTION_soundhw:
2731 if (!(audio_available())) {
2732 printf("Option %s not supported for this target\n", popt->name);
2733 exit(1);
2734 }
2735 select_soundhw (optarg);
2736 break;
2737 case QEMU_OPTION_h:
2738 help(0);
2739 break;
2740 case QEMU_OPTION_version:
2741 version();
2742 exit(0);
2743 break;
2744 case QEMU_OPTION_m: {
2745 int64_t value;
2746 uint64_t sz;
2747 char *end;
2748
2749 value = strtosz(optarg, &end);
2750 if (value < 0 || *end) {
2751 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2752 exit(1);
2753 }
2754 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2755 ram_size = sz;
2756 if (ram_size != sz) {
2757 fprintf(stderr, "qemu: ram size too large\n");
2758 exit(1);
2759 }
2760 break;
2761 }
2762 case QEMU_OPTION_mempath:
2763 mem_path = optarg;
2764 break;
2765 #ifdef MAP_POPULATE
2766 case QEMU_OPTION_mem_prealloc:
2767 mem_prealloc = 1;
2768 break;
2769 #endif
2770 case QEMU_OPTION_d:
2771 log_mask = optarg;
2772 break;
2773 case QEMU_OPTION_D:
2774 log_file = optarg;
2775 break;
2776 case QEMU_OPTION_s:
2777 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2778 break;
2779 case QEMU_OPTION_gdb:
2780 add_device_config(DEV_GDB, optarg);
2781 break;
2782 case QEMU_OPTION_L:
2783 data_dir = optarg;
2784 break;
2785 case QEMU_OPTION_bios:
2786 bios_name = optarg;
2787 break;
2788 case QEMU_OPTION_singlestep:
2789 singlestep = 1;
2790 break;
2791 case QEMU_OPTION_S:
2792 autostart = 0;
2793 break;
2794 case QEMU_OPTION_k:
2795 keyboard_layout = optarg;
2796 break;
2797 case QEMU_OPTION_localtime:
2798 rtc_utc = 0;
2799 break;
2800 case QEMU_OPTION_vga:
2801 vga_model = optarg;
2802 default_vga = 0;
2803 break;
2804 case QEMU_OPTION_g:
2805 {
2806 const char *p;
2807 int w, h, depth;
2808 p = optarg;
2809 w = strtol(p, (char **)&p, 10);
2810 if (w <= 0) {
2811 graphic_error:
2812 fprintf(stderr, "qemu: invalid resolution or depth\n");
2813 exit(1);
2814 }
2815 if (*p != 'x')
2816 goto graphic_error;
2817 p++;
2818 h = strtol(p, (char **)&p, 10);
2819 if (h <= 0)
2820 goto graphic_error;
2821 if (*p == 'x') {
2822 p++;
2823 depth = strtol(p, (char **)&p, 10);
2824 if (depth != 8 && depth != 15 && depth != 16 &&
2825 depth != 24 && depth != 32)
2826 goto graphic_error;
2827 } else if (*p == '\0') {
2828 depth = graphic_depth;
2829 } else {
2830 goto graphic_error;
2831 }
2832
2833 graphic_width = w;
2834 graphic_height = h;
2835 graphic_depth = depth;
2836 }
2837 break;
2838 case QEMU_OPTION_echr:
2839 {
2840 char *r;
2841 term_escape_char = strtol(optarg, &r, 0);
2842 if (r == optarg)
2843 printf("Bad argument to echr\n");
2844 break;
2845 }
2846 case QEMU_OPTION_monitor:
2847 monitor_parse(optarg, "readline");
2848 default_monitor = 0;
2849 break;
2850 case QEMU_OPTION_qmp:
2851 monitor_parse(optarg, "control");
2852 default_monitor = 0;
2853 break;
2854 case QEMU_OPTION_mon:
2855 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2856 if (!opts) {
2857 exit(1);
2858 }
2859 default_monitor = 0;
2860 break;
2861 case QEMU_OPTION_chardev:
2862 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2863 if (!opts) {
2864 exit(1);
2865 }
2866 break;
2867 case QEMU_OPTION_fsdev:
2868 olist = qemu_find_opts("fsdev");
2869 if (!olist) {
2870 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2871 exit(1);
2872 }
2873 opts = qemu_opts_parse(olist, optarg, 1);
2874 if (!opts) {
2875 fprintf(stderr, "parse error: %s\n", optarg);
2876 exit(1);
2877 }
2878 break;
2879 case QEMU_OPTION_virtfs: {
2880 QemuOpts *fsdev;
2881 QemuOpts *device;
2882 const char *writeout, *sock_fd, *socket;
2883
2884 olist = qemu_find_opts("virtfs");
2885 if (!olist) {
2886 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2887 exit(1);
2888 }
2889 opts = qemu_opts_parse(olist, optarg, 1);
2890 if (!opts) {
2891 fprintf(stderr, "parse error: %s\n", optarg);
2892 exit(1);
2893 }
2894
2895 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2896 qemu_opt_get(opts, "mount_tag") == NULL) {
2897 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2898 exit(1);
2899 }
2900 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2901 qemu_opt_get(opts, "mount_tag"),
2902 1, NULL);
2903 if (!fsdev) {
2904 fprintf(stderr, "duplicate fsdev id: %s\n",
2905 qemu_opt_get(opts, "mount_tag"));
2906 exit(1);
2907 }
2908
2909 writeout = qemu_opt_get(opts, "writeout");
2910 if (writeout) {
2911 #ifdef CONFIG_SYNC_FILE_RANGE
2912 qemu_opt_set(fsdev, "writeout", writeout);
2913 #else
2914 fprintf(stderr, "writeout=immediate not supported on "
2915 "this platform\n");
2916 exit(1);
2917 #endif
2918 }
2919 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2920 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2921 qemu_opt_set(fsdev, "security_model",
2922 qemu_opt_get(opts, "security_model"));
2923 socket = qemu_opt_get(opts, "socket");
2924 if (socket) {
2925 qemu_opt_set(fsdev, "socket", socket);
2926 }
2927 sock_fd = qemu_opt_get(opts, "sock_fd");
2928 if (sock_fd) {
2929 qemu_opt_set(fsdev, "sock_fd", sock_fd);
2930 }
2931
2932 qemu_opt_set_bool(fsdev, "readonly",
2933 qemu_opt_get_bool(opts, "readonly", 0));
2934 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2935 NULL);
2936 qemu_opt_set(device, "driver", "virtio-9p-pci");
2937 qemu_opt_set(device, "fsdev",
2938 qemu_opt_get(opts, "mount_tag"));
2939 qemu_opt_set(device, "mount_tag",
2940 qemu_opt_get(opts, "mount_tag"));
2941 break;
2942 }
2943 case QEMU_OPTION_virtfs_synth: {
2944 QemuOpts *fsdev;
2945 QemuOpts *device;
2946
2947 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2948 1, NULL);
2949 if (!fsdev) {
2950 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2951 exit(1);
2952 }
2953 qemu_opt_set(fsdev, "fsdriver", "synth");
2954
2955 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2956 NULL);
2957 qemu_opt_set(device, "driver", "virtio-9p-pci");
2958 qemu_opt_set(device, "fsdev", "v_synth");
2959 qemu_opt_set(device, "mount_tag", "v_synth");
2960 break;
2961 }
2962 case QEMU_OPTION_serial:
2963 add_device_config(DEV_SERIAL, optarg);
2964 default_serial = 0;
2965 if (strncmp(optarg, "mon:", 4) == 0) {
2966 default_monitor = 0;
2967 }
2968 break;
2969 case QEMU_OPTION_watchdog:
2970 if (watchdog) {
2971 fprintf(stderr,
2972 "qemu: only one watchdog option may be given\n");
2973 return 1;
2974 }
2975 watchdog = optarg;
2976 break;
2977 case QEMU_OPTION_watchdog_action:
2978 if (select_watchdog_action(optarg) == -1) {
2979 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2980 exit(1);
2981 }
2982 break;
2983 case QEMU_OPTION_virtiocon:
2984 add_device_config(DEV_VIRTCON, optarg);
2985 default_virtcon = 0;
2986 if (strncmp(optarg, "mon:", 4) == 0) {
2987 default_monitor = 0;
2988 }
2989 break;
2990 case QEMU_OPTION_parallel:
2991 add_device_config(DEV_PARALLEL, optarg);
2992 default_parallel = 0;
2993 if (strncmp(optarg, "mon:", 4) == 0) {
2994 default_monitor = 0;
2995 }
2996 break;
2997 case QEMU_OPTION_debugcon:
2998 add_device_config(DEV_DEBUGCON, optarg);
2999 break;
3000 case QEMU_OPTION_loadvm:
3001 loadvm = optarg;
3002 break;
3003 case QEMU_OPTION_full_screen:
3004 full_screen = 1;
3005 break;
3006 #ifdef CONFIG_SDL
3007 case QEMU_OPTION_no_frame:
3008 no_frame = 1;
3009 break;
3010 case QEMU_OPTION_alt_grab:
3011 alt_grab = 1;
3012 break;
3013 case QEMU_OPTION_ctrl_grab:
3014 ctrl_grab = 1;
3015 break;
3016 case QEMU_OPTION_no_quit:
3017 no_quit = 1;
3018 break;
3019 case QEMU_OPTION_sdl:
3020 display_type = DT_SDL;
3021 break;
3022 #else
3023 case QEMU_OPTION_no_frame:
3024 case QEMU_OPTION_alt_grab:
3025 case QEMU_OPTION_ctrl_grab:
3026 case QEMU_OPTION_no_quit:
3027 case QEMU_OPTION_sdl:
3028 fprintf(stderr, "SDL support is disabled\n");
3029 exit(1);
3030 #endif
3031 case QEMU_OPTION_pidfile:
3032 pid_file = optarg;
3033 break;
3034 case QEMU_OPTION_win2k_hack:
3035 win2k_install_hack = 1;
3036 break;
3037 case QEMU_OPTION_rtc_td_hack: {
3038 static GlobalProperty slew_lost_ticks[] = {
3039 {
3040 .driver = "mc146818rtc",
3041 .property = "lost_tick_policy",
3042 .value = "slew",
3043 },
3044 { /* end of list */ }
3045 };
3046
3047 qdev_prop_register_global_list(slew_lost_ticks);
3048 break;
3049 }
3050 case QEMU_OPTION_acpitable:
3051 do_acpitable_option(optarg);
3052 break;
3053 case QEMU_OPTION_smbios:
3054 do_smbios_option(optarg);
3055 break;
3056 case QEMU_OPTION_enable_kvm:
3057 olist = qemu_find_opts("machine");
3058 qemu_opts_parse(olist, "accel=kvm", 0);
3059 break;
3060 case QEMU_OPTION_machine:
3061 olist = qemu_find_opts("machine");
3062 opts = qemu_opts_parse(olist, optarg, 1);
3063 if (!opts) {
3064 fprintf(stderr, "parse error: %s\n", optarg);
3065 exit(1);
3066 }
3067 optarg = qemu_opt_get(opts, "type");
3068 if (optarg) {
3069 machine = machine_parse(optarg);
3070 }
3071 break;
3072 case QEMU_OPTION_usb:
3073 usb_enabled = 1;
3074 break;
3075 case QEMU_OPTION_usbdevice:
3076 usb_enabled = 1;
3077 add_device_config(DEV_USB, optarg);
3078 break;
3079 case QEMU_OPTION_device:
3080 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3081 exit(1);
3082 }
3083 break;
3084 case QEMU_OPTION_smp:
3085 smp_parse(optarg);
3086 if (smp_cpus < 1) {
3087 fprintf(stderr, "Invalid number of CPUs\n");
3088 exit(1);
3089 }
3090 if (max_cpus < smp_cpus) {
3091 fprintf(stderr, "maxcpus must be equal to or greater than "
3092 "smp\n");
3093 exit(1);
3094 }
3095 if (max_cpus > 255) {
3096 fprintf(stderr, "Unsupported number of maxcpus\n");
3097 exit(1);
3098 }
3099 break;
3100 case QEMU_OPTION_vnc:
3101 #ifdef CONFIG_VNC
3102 display_remote++;
3103 vnc_display = optarg;
3104 #else
3105 fprintf(stderr, "VNC support is disabled\n");
3106 exit(1);
3107 #endif
3108 break;
3109 case QEMU_OPTION_no_acpi:
3110 acpi_enabled = 0;
3111 break;
3112 case QEMU_OPTION_no_hpet:
3113 no_hpet = 1;
3114 break;
3115 case QEMU_OPTION_balloon:
3116 if (balloon_parse(optarg) < 0) {
3117 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3118 exit(1);
3119 }
3120 break;
3121 case QEMU_OPTION_no_reboot:
3122 no_reboot = 1;
3123 break;
3124 case QEMU_OPTION_no_shutdown:
3125 no_shutdown = 1;
3126 break;
3127 case QEMU_OPTION_show_cursor:
3128 cursor_hide = 0;
3129 break;
3130 case QEMU_OPTION_uuid:
3131 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3132 fprintf(stderr, "Fail to parse UUID string."
3133 " Wrong format.\n");
3134 exit(1);
3135 }
3136 break;
3137 case QEMU_OPTION_option_rom:
3138 if (nb_option_roms >= MAX_OPTION_ROMS) {
3139 fprintf(stderr, "Too many option ROMs\n");
3140 exit(1);
3141 }
3142 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3143 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3144 option_rom[nb_option_roms].bootindex =
3145 qemu_opt_get_number(opts, "bootindex", -1);
3146 if (!option_rom[nb_option_roms].name) {
3147 fprintf(stderr, "Option ROM file is not specified\n");
3148 exit(1);
3149 }
3150 nb_option_roms++;
3151 break;
3152 case QEMU_OPTION_semihosting:
3153 semihosting_enabled = 1;
3154 break;
3155 case QEMU_OPTION_name:
3156 qemu_name = g_strdup(optarg);
3157 {
3158 char *p = strchr(qemu_name, ',');
3159 if (p != NULL) {
3160 *p++ = 0;
3161 if (strncmp(p, "process=", 8)) {
3162 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3163 exit(1);
3164 }
3165 p += 8;
3166 os_set_proc_name(p);
3167 }
3168 }
3169 break;
3170 case QEMU_OPTION_prom_env:
3171 if (nb_prom_envs >= MAX_PROM_ENVS) {
3172 fprintf(stderr, "Too many prom variables\n");
3173 exit(1);
3174 }
3175 prom_envs[nb_prom_envs] = optarg;
3176 nb_prom_envs++;
3177 break;
3178 case QEMU_OPTION_old_param:
3179 old_param = 1;
3180 break;
3181 case QEMU_OPTION_clock:
3182 configure_alarms(optarg);
3183 break;
3184 case QEMU_OPTION_startdate:
3185 configure_rtc_date_offset(optarg, 1);
3186 break;
3187 case QEMU_OPTION_rtc:
3188 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3189 if (!opts) {
3190 exit(1);
3191 }
3192 configure_rtc(opts);
3193 break;
3194 case QEMU_OPTION_tb_size:
3195 tcg_tb_size = strtol(optarg, NULL, 0);
3196 if (tcg_tb_size < 0) {
3197 tcg_tb_size = 0;
3198 }
3199 break;
3200 case QEMU_OPTION_icount:
3201 icount_option = optarg;
3202 break;
3203 case QEMU_OPTION_incoming:
3204 incoming = optarg;
3205 runstate_set(RUN_STATE_INMIGRATE);
3206 break;
3207 case QEMU_OPTION_nodefaults:
3208 default_serial = 0;
3209 default_parallel = 0;
3210 default_virtcon = 0;
3211 default_monitor = 0;
3212 default_net = 0;
3213 default_floppy = 0;
3214 default_cdrom = 0;
3215 default_sdcard = 0;
3216 default_vga = 0;
3217 break;
3218 case QEMU_OPTION_xen_domid:
3219 if (!(xen_available())) {
3220 printf("Option %s not supported for this target\n", popt->name);
3221 exit(1);
3222 }
3223 xen_domid = atoi(optarg);
3224 break;
3225 case QEMU_OPTION_xen_create:
3226 if (!(xen_available())) {
3227 printf("Option %s not supported for this target\n", popt->name);
3228 exit(1);
3229 }
3230 xen_mode = XEN_CREATE;
3231 break;
3232 case QEMU_OPTION_xen_attach:
3233 if (!(xen_available())) {
3234 printf("Option %s not supported for this target\n", popt->name);
3235 exit(1);
3236 }
3237 xen_mode = XEN_ATTACH;
3238 break;
3239 case QEMU_OPTION_trace:
3240 {
3241 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3242 if (!opts) {
3243 exit(1);
3244 }
3245 trace_events = qemu_opt_get(opts, "events");
3246 trace_file = qemu_opt_get(opts, "file");
3247 break;
3248 }
3249 case QEMU_OPTION_readconfig:
3250 {
3251 int ret = qemu_read_config_file(optarg);
3252 if (ret < 0) {
3253 fprintf(stderr, "read config %s: %s\n", optarg,
3254 strerror(-ret));
3255 exit(1);
3256 }
3257 break;
3258 }
3259 case QEMU_OPTION_spice:
3260 olist = qemu_find_opts("spice");
3261 if (!olist) {
3262 fprintf(stderr, "spice is not supported by this qemu build.\n");
3263 exit(1);
3264 }
3265 opts = qemu_opts_parse(olist, optarg, 0);
3266 if (!opts) {
3267 fprintf(stderr, "parse error: %s\n", optarg);
3268 exit(1);
3269 }
3270 break;
3271 case QEMU_OPTION_writeconfig:
3272 {
3273 FILE *fp;
3274 if (strcmp(optarg, "-") == 0) {
3275 fp = stdout;
3276 } else {
3277 fp = fopen(optarg, "w");
3278 if (fp == NULL) {
3279 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3280 exit(1);
3281 }
3282 }
3283 qemu_config_write(fp);
3284 fclose(fp);
3285 break;
3286 }
3287 case QEMU_OPTION_qtest:
3288 qtest_chrdev = optarg;
3289 break;
3290 case QEMU_OPTION_qtest_log:
3291 qtest_log = optarg;
3292 break;
3293 case QEMU_OPTION_sandbox:
3294 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3295 if (!opts) {
3296 exit(0);
3297 }
3298 break;
3299 default:
3300 os_parse_cmd_args(popt->index, optarg);
3301 }
3302 }
3303 }
3304 loc_set_none();
3305
3306 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3307 exit(1);
3308 }
3309
3310 if (machine == NULL) {
3311 fprintf(stderr, "No machine found.\n");
3312 exit(1);
3313 }
3314
3315 if (machine->hw_version) {
3316 qemu_set_version(machine->hw_version);
3317 }
3318
3319 /* Init CPU def lists, based on config
3320 * - Must be called after all the qemu_read_config_file() calls
3321 * - Must be called before list_cpus()
3322 * - Must be called before machine->init()
3323 */
3324 cpudef_init();
3325
3326 if (cpu_model && is_help_option(cpu_model)) {
3327 list_cpus(stdout, &fprintf, cpu_model);
3328 exit(0);
3329 }
3330
3331 /* Open the logfile at this point, if necessary. We can't open the logfile
3332 * when encountering either of the logging options (-d or -D) because the
3333 * other one may be encountered later on the command line, changing the
3334 * location or level of logging.
3335 */
3336 if (log_mask) {
3337 if (log_file) {
3338 set_cpu_log_filename(log_file);
3339 }
3340 set_cpu_log(log_mask);
3341 }
3342
3343 if (!trace_backend_init(trace_events, trace_file)) {
3344 exit(1);
3345 }
3346
3347 /* If no data_dir is specified then try to find it relative to the
3348 executable path. */
3349 if (!data_dir) {
3350 data_dir = os_find_datadir(argv[0]);
3351 }
3352 /* If all else fails use the install path specified when building. */
3353 if (!data_dir) {
3354 data_dir = CONFIG_QEMU_DATADIR;
3355 }
3356
3357 /*
3358 * Default to max_cpus = smp_cpus, in case the user doesn't
3359 * specify a max_cpus value.
3360 */
3361 if (!max_cpus)
3362 max_cpus = smp_cpus;
3363
3364 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3365 if (smp_cpus > machine->max_cpus) {
3366 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3367 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3368 machine->max_cpus);
3369 exit(1);
3370 }
3371
3372 /*
3373 * Get the default machine options from the machine if it is not already
3374 * specified either by the configuration file or by the command line.
3375 */
3376 if (machine->default_machine_opts) {
3377 qemu_opts_set_defaults(qemu_find_opts("machine"),
3378 machine->default_machine_opts, 0);
3379 }
3380
3381 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3382 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3383
3384 if (machine->no_serial) {
3385 default_serial = 0;
3386 }
3387 if (machine->no_parallel) {
3388 default_parallel = 0;
3389 }
3390 if (!machine->use_virtcon) {
3391 default_virtcon = 0;
3392 }
3393 if (machine->no_floppy) {
3394 default_floppy = 0;
3395 }
3396 if (machine->no_cdrom) {
3397 default_cdrom = 0;
3398 }
3399 if (machine->no_sdcard) {
3400 default_sdcard = 0;
3401 }
3402
3403 if (display_type == DT_NOGRAPHIC) {
3404 if (default_parallel)
3405 add_device_config(DEV_PARALLEL, "null");
3406 if (default_serial && default_monitor) {
3407 add_device_config(DEV_SERIAL, "mon:stdio");
3408 } else if (default_virtcon && default_monitor) {
3409 add_device_config(DEV_VIRTCON, "mon:stdio");
3410 } else {
3411 if (default_serial)
3412 add_device_config(DEV_SERIAL, "stdio");
3413 if (default_virtcon)
3414 add_device_config(DEV_VIRTCON, "stdio");
3415 if (default_monitor)
3416 monitor_parse("stdio", "readline");
3417 }
3418 } else {
3419 if (default_serial)
3420 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3421 if (default_parallel)
3422 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3423 if (default_monitor)
3424 monitor_parse("vc:80Cx24C", "readline");
3425 if (default_virtcon)
3426 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3427 }
3428
3429 socket_init();
3430
3431 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3432 exit(1);
3433 #ifdef CONFIG_VIRTFS
3434 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3435 exit(1);
3436 }
3437 #endif
3438
3439 os_daemonize();
3440
3441 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3442 os_pidfile_error();
3443 exit(1);
3444 }
3445
3446 /* init the memory */
3447 if (ram_size == 0) {
3448 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3449 }
3450
3451 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3452 != 0) {
3453 exit(0);
3454 }
3455
3456 configure_accelerator();
3457
3458 qemu_init_cpu_loop();
3459 if (qemu_init_main_loop()) {
3460 fprintf(stderr, "qemu_init_main_loop failed\n");
3461 exit(1);
3462 }
3463
3464 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3465 if (machine_opts) {
3466 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3467 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3468 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3469 } else {
3470 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3471 }
3472
3473 if (!kernel_cmdline) {
3474 kernel_cmdline = "";
3475 }
3476
3477 linux_boot = (kernel_filename != NULL);
3478
3479 if (!linux_boot && *kernel_cmdline != '\0') {
3480 fprintf(stderr, "-append only allowed with -kernel option\n");
3481 exit(1);
3482 }
3483
3484 if (!linux_boot && initrd_filename != NULL) {
3485 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3486 exit(1);
3487 }
3488
3489 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3490 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3491 exit(1);
3492 }
3493
3494 os_set_line_buffering();
3495
3496 if (init_timer_alarm() < 0) {
3497 fprintf(stderr, "could not initialize alarm timer\n");
3498 exit(1);
3499 }
3500
3501 #ifdef CONFIG_SPICE
3502 /* spice needs the timers to be initialized by this point */
3503 qemu_spice_init();
3504 #endif
3505
3506 if (icount_option && (kvm_enabled() || xen_enabled())) {
3507 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3508 exit(1);
3509 }
3510 configure_icount(icount_option);
3511
3512 if (net_init_clients() < 0) {
3513 exit(1);
3514 }
3515
3516 /* init the bluetooth world */
3517 if (foreach_device_config(DEV_BT, bt_parse))
3518 exit(1);
3519
3520 if (!xen_enabled()) {
3521 /* On 32-bit hosts, QEMU is limited by virtual address space */
3522 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3523 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3524 exit(1);
3525 }
3526 }
3527
3528 cpu_exec_init_all();
3529
3530 bdrv_init_with_whitelist();
3531
3532 blk_mig_init();
3533
3534 /* open the virtual block devices */
3535 if (snapshot)
3536 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3537 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3538 exit(1);
3539
3540 default_drive(default_cdrom, snapshot, machine->use_scsi,
3541 IF_DEFAULT, 2, CDROM_OPTS);
3542 default_drive(default_floppy, snapshot, machine->use_scsi,
3543 IF_FLOPPY, 0, FD_OPTS);
3544 default_drive(default_sdcard, snapshot, machine->use_scsi,
3545 IF_SD, 0, SD_OPTS);
3546
3547 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3548
3549 if (nb_numa_nodes > 0) {
3550 int i;
3551
3552 if (nb_numa_nodes > MAX_NODES) {
3553 nb_numa_nodes = MAX_NODES;
3554 }
3555
3556 /* If no memory size if given for any node, assume the default case
3557 * and distribute the available memory equally across all nodes
3558 */
3559 for (i = 0; i < nb_numa_nodes; i++) {
3560 if (node_mem[i] != 0)
3561 break;
3562 }
3563 if (i == nb_numa_nodes) {
3564 uint64_t usedmem = 0;
3565
3566 /* On Linux, the each node's border has to be 8MB aligned,
3567 * the final node gets the rest.
3568 */
3569 for (i = 0; i < nb_numa_nodes - 1; i++) {
3570 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3571 usedmem += node_mem[i];
3572 }
3573 node_mem[i] = ram_size - usedmem;
3574 }
3575
3576 for (i = 0; i < nb_numa_nodes; i++) {
3577 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3578 break;
3579 }
3580 }
3581 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3582 * must cope with this anyway, because there are BIOSes out there in
3583 * real machines which also use this scheme.
3584 */
3585 if (i == nb_numa_nodes) {
3586 for (i = 0; i < max_cpus; i++) {
3587 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3588 }
3589 }
3590 }
3591
3592 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3593 exit(1);
3594 }
3595
3596 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3597 exit(1);
3598 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3599 exit(1);
3600 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3601 exit(1);
3602 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3603 exit(1);
3604
3605 /* If no default VGA is requested, the default is "none". */
3606 if (default_vga && cirrus_vga_available()) {
3607 vga_model = "cirrus";
3608 }
3609 select_vgahw(vga_model);
3610
3611 if (watchdog) {
3612 i = select_watchdog(watchdog);
3613 if (i > 0)
3614 exit (i == 1 ? 1 : 0);
3615 }
3616
3617 if (machine->compat_props) {
3618 qdev_prop_register_global_list(machine->compat_props);
3619 }
3620 qemu_add_globals();
3621
3622 qdev_machine_init();
3623
3624 machine->init(ram_size, boot_devices,
3625 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3626
3627 cpu_synchronize_all_post_init();
3628
3629 set_numa_modes();
3630
3631 current_machine = machine;
3632
3633 /* init USB devices */
3634 if (usb_enabled) {
3635 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3636 exit(1);
3637 }
3638
3639 /* init generic devices */
3640 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3641 exit(1);
3642
3643 net_check_clients();
3644
3645 /* just use the first displaystate for the moment */
3646 ds = get_displaystate();
3647
3648 if (using_spice)
3649 display_remote++;
3650 if (display_type == DT_DEFAULT && !display_remote) {
3651 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3652 display_type = DT_SDL;
3653 #elif defined(CONFIG_VNC)
3654 vnc_display = "localhost:0,to=99";
3655 show_vnc_port = 1;
3656 #else
3657 display_type = DT_NONE;
3658 #endif
3659 }
3660
3661
3662 /* init local displays */
3663 switch (display_type) {
3664 case DT_NOGRAPHIC:
3665 break;
3666 #if defined(CONFIG_CURSES)
3667 case DT_CURSES:
3668 if (!is_daemonized()) {
3669 curses_display_init(ds, full_screen);
3670 }
3671 break;
3672 #endif
3673 #if defined(CONFIG_SDL)
3674 case DT_SDL:
3675 sdl_display_init(ds, full_screen, no_frame);
3676 break;
3677 #elif defined(CONFIG_COCOA)
3678 case DT_SDL:
3679 cocoa_display_init(ds, full_screen);
3680 break;
3681 #endif
3682 default:
3683 break;
3684 }
3685
3686 /* must be after terminal init, SDL library changes signal handlers */
3687 os_setup_signal_handling();
3688
3689 #ifdef CONFIG_VNC
3690 /* init remote displays */
3691 if (vnc_display) {
3692 vnc_display_init(ds);
3693 if (vnc_display_open(ds, vnc_display) < 0) {
3694 fprintf(stderr, "Failed to start VNC server on `%s'\n",
3695 vnc_display);
3696 exit(1);
3697 }
3698
3699 if (show_vnc_port) {
3700 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3701 }
3702 }
3703 #endif
3704 #ifdef CONFIG_SPICE
3705 if (using_spice && !qxl_enabled) {
3706 qemu_spice_display_init(ds);
3707 }
3708 #endif
3709
3710 /* display setup */
3711 dpy_resize(ds);
3712 dcl = ds->listeners;
3713 while (dcl != NULL) {
3714 if (dcl->dpy_refresh != NULL) {
3715 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3716 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3717 break;
3718 }
3719 dcl = dcl->next;
3720 }
3721 text_consoles_set_display(ds);
3722
3723 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3724 exit(1);
3725 }
3726
3727 qdev_machine_creation_done();
3728
3729 if (rom_load_all() != 0) {
3730 fprintf(stderr, "rom loading failed\n");
3731 exit(1);
3732 }
3733
3734 /* TODO: once all bus devices are qdevified, this should be done
3735 * when bus is created by qdev.c */
3736 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3737 qemu_run_machine_init_done_notifiers();
3738
3739 qemu_system_reset(VMRESET_SILENT);
3740 if (loadvm) {
3741 if (load_vmstate(loadvm) < 0) {
3742 autostart = 0;
3743 }
3744 }
3745
3746 if (incoming) {
3747 Error *errp = NULL;
3748 int ret = qemu_start_incoming_migration(incoming, &errp);
3749 if (ret < 0) {
3750 if (error_is_set(&errp)) {
3751 fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3752 error_free(errp);
3753 }
3754 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3755 incoming, ret);
3756 exit(ret);
3757 }
3758 } else if (autostart) {
3759 vm_start();
3760 }
3761
3762 os_setup_post();
3763
3764 resume_all_vcpus();
3765 main_loop();
3766 bdrv_close_all();
3767 pause_all_vcpus();
3768 net_cleanup();
3769 res_free();
3770
3771 return 0;
3772 }
Qemu copy for testing