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Merge remote-tracking branch 'agraf/s390-for-upstream' into staging
[qemu-kvm.git] / vl.c
blobd01256a6a3f82ab08097ddf2c2b1d6afab8eaf25
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31 #include "bitmap.h"
32
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
35
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66 #ifdef __sun__
67 #include <sys/stat.h>
68 #include <sys/ethernet.h>
69 #include <sys/sockio.h>
70 #include <netinet/arp.h>
71 #include <netinet/in_systm.h>
72 #include <netinet/ip.h>
73 #include <netinet/ip_icmp.h> // must come after ip.h
74 #include <netinet/udp.h>
75 #include <netinet/tcp.h>
76 #include <net/if.h>
77 #include <syslog.h>
78 #include <stropts.h>
79 #endif
80 #endif
81 #endif
82
83 #if defined(CONFIG_VDE)
84 #include <libvdeplug.h>
85 #endif
86
87 #ifdef _WIN32
88 #include <windows.h>
89 #endif
90
91 #ifdef CONFIG_SDL
92 #if defined(__APPLE__) || defined(main)
93 #include <SDL.h>
94 int qemu_main(int argc, char **argv, char **envp);
95 int main(int argc, char **argv)
96 {
97 return qemu_main(argc, argv, NULL);
98 }
99 #undef main
100 #define main qemu_main
101 #endif
102 #endif /* CONFIG_SDL */
103
104 #ifdef CONFIG_COCOA
105 #undef main
106 #define main qemu_main
107 #endif /* CONFIG_COCOA */
108
109 #include <glib.h>
110
111 #include "hw/hw.h"
112 #include "hw/boards.h"
113 #include "hw/usb.h"
114 #include "hw/pcmcia.h"
115 #include "hw/pc.h"
116 #include "hw/isa.h"
117 #include "hw/baum.h"
118 #include "hw/bt.h"
119 #include "hw/watchdog.h"
120 #include "hw/smbios.h"
121 #include "hw/xen.h"
122 #include "hw/qdev.h"
123 #include "hw/loader.h"
124 #include "bt-host.h"
125 #include "net.h"
126 #include "net/slirp.h"
127 #include "monitor.h"
128 #include "console.h"
129 #include "sysemu.h"
130 #include "gdbstub.h"
131 #include "qemu-timer.h"
132 #include "qemu-char.h"
133 #include "cache-utils.h"
134 #include "blockdev.h"
135 #include "hw/block-common.h"
136 #include "block-migration.h"
137 #include "dma.h"
138 #include "audio/audio.h"
139 #include "migration.h"
140 #include "kvm.h"
141 #include "qjson.h"
142 #include "qemu-option.h"
143 #include "qemu-config.h"
144 #include "qemu-options.h"
145 #include "qmp-commands.h"
146 #include "main-loop.h"
147 #ifdef CONFIG_VIRTFS
148 #include "fsdev/qemu-fsdev.h"
149 #endif
150 #include "qtest.h"
151
152 #include "disas.h"
153
154 #include "qemu_socket.h"
155
156 #include "slirp/libslirp.h"
157
158 #include "trace.h"
159 #include "trace/control.h"
160 #include "qemu-queue.h"
161 #include "cpus.h"
162 #include "arch_init.h"
163 #include "osdep.h"
164
165 #include "ui/qemu-spice.h"
166
167 //#define DEBUG_NET
168 //#define DEBUG_SLIRP
169
170 #define DEFAULT_RAM_SIZE 128
171
172 #define MAX_VIRTIO_CONSOLES 1
173
174 static const char *data_dir;
175 const char *bios_name = NULL;
176 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
177 DisplayType display_type = DT_DEFAULT;
178 int display_remote = 0;
179 const char* keyboard_layout = NULL;
180 ram_addr_t ram_size;
181 const char *mem_path = NULL;
182 #ifdef MAP_POPULATE
183 int mem_prealloc = 0; /* force preallocation of physical target memory */
184 #endif
185 int nb_nics;
186 NICInfo nd_table[MAX_NICS];
187 int autostart;
188 static int rtc_utc = 1;
189 static int rtc_date_offset = -1; /* -1 means no change */
190 QEMUClock *rtc_clock;
191 int vga_interface_type = VGA_NONE;
192 static int full_screen = 0;
193 #ifdef CONFIG_SDL
194 static int no_frame = 0;
195 #endif
196 int no_quit = 0;
197 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
198 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
199 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
200 int win2k_install_hack = 0;
201 int usb_enabled = 0;
202 int singlestep = 0;
203 int smp_cpus = 1;
204 int max_cpus = 0;
205 int smp_cores = 1;
206 int smp_threads = 1;
207 #ifdef CONFIG_VNC
208 const char *vnc_display;
209 #endif
210 int acpi_enabled = 1;
211 int no_hpet = 0;
212 int fd_bootchk = 1;
213 int no_reboot = 0;
214 int no_shutdown = 0;
215 int cursor_hide = 1;
216 int graphic_rotate = 0;
217 const char *watchdog;
218 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
219 int nb_option_roms;
220 int semihosting_enabled = 0;
221 int old_param = 0;
222 const char *qemu_name;
223 int alt_grab = 0;
224 int ctrl_grab = 0;
225 unsigned int nb_prom_envs = 0;
226 const char *prom_envs[MAX_PROM_ENVS];
227 int boot_menu;
228 uint8_t *boot_splash_filedata;
229 int boot_splash_filedata_size;
230 uint8_t qemu_extra_params_fw[2];
231
232 typedef struct FWBootEntry FWBootEntry;
233
234 struct FWBootEntry {
235 QTAILQ_ENTRY(FWBootEntry) link;
236 int32_t bootindex;
237 DeviceState *dev;
238 char *suffix;
239 };
240
241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
242
243 int nb_numa_nodes;
244 uint64_t node_mem[MAX_NODES];
245 unsigned long *node_cpumask[MAX_NODES];
246
247 uint8_t qemu_uuid[16];
248
249 static QEMUBootSetHandler *boot_set_handler;
250 static void *boot_set_opaque;
251
252 static NotifierList exit_notifiers =
253 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
254
255 static NotifierList machine_init_done_notifiers =
256 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
257
258 static int tcg_allowed = 1;
259 int kvm_allowed = 0;
260 int xen_allowed = 0;
261 uint32_t xen_domid;
262 enum xen_mode xen_mode = XEN_EMULATE;
263 static int tcg_tb_size;
264
265 static int default_serial = 1;
266 static int default_parallel = 1;
267 static int default_virtcon = 1;
268 static int default_monitor = 1;
269 static int default_floppy = 1;
270 static int default_cdrom = 1;
271 static int default_sdcard = 1;
272 static int default_vga = 1;
273
274 static struct {
275 const char *driver;
276 int *flag;
277 } default_list[] = {
278 { .driver = "isa-serial", .flag = &default_serial },
279 { .driver = "isa-parallel", .flag = &default_parallel },
280 { .driver = "isa-fdc", .flag = &default_floppy },
281 { .driver = "ide-cd", .flag = &default_cdrom },
282 { .driver = "ide-hd", .flag = &default_cdrom },
283 { .driver = "ide-drive", .flag = &default_cdrom },
284 { .driver = "scsi-cd", .flag = &default_cdrom },
285 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
286 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
287 { .driver = "virtio-serial", .flag = &default_virtcon },
288 { .driver = "VGA", .flag = &default_vga },
289 { .driver = "isa-vga", .flag = &default_vga },
290 { .driver = "cirrus-vga", .flag = &default_vga },
291 { .driver = "isa-cirrus-vga", .flag = &default_vga },
292 { .driver = "vmware-svga", .flag = &default_vga },
293 { .driver = "qxl-vga", .flag = &default_vga },
294 };
295
296 const char *qemu_get_vm_name(void)
297 {
298 return qemu_name;
299 }
300
301 static void res_free(void)
302 {
303 if (boot_splash_filedata != NULL) {
304 g_free(boot_splash_filedata);
305 boot_splash_filedata = NULL;
306 }
307 }
308
309 static int default_driver_check(QemuOpts *opts, void *opaque)
310 {
311 const char *driver = qemu_opt_get(opts, "driver");
312 int i;
313
314 if (!driver)
315 return 0;
316 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
317 if (strcmp(default_list[i].driver, driver) != 0)
318 continue;
319 *(default_list[i].flag) = 0;
320 }
321 return 0;
322 }
323
324 /***********************************************************/
325 /* QEMU state */
326
327 static RunState current_run_state = RUN_STATE_PRELAUNCH;
328
329 typedef struct {
330 RunState from;
331 RunState to;
332 } RunStateTransition;
333
334 static const RunStateTransition runstate_transitions_def[] = {
335 /* from -> to */
336 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
337
338 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
339 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
340
341 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
342 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
343
344 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
345 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
346
347 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
348 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
349
350 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
351 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
352
353 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
354 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
355 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
356
357 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
358 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
359
360 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
361
362 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
363 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
364 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
365 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
366 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
367 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
368 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
369 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
370 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
371
372 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
373
374 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
375 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
376
377 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
378 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
379 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
380 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
381
382 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
383 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
384
385 { RUN_STATE_MAX, RUN_STATE_MAX },
386 };
387
388 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
389
390 bool runstate_check(RunState state)
391 {
392 return current_run_state == state;
393 }
394
395 void runstate_init(void)
396 {
397 const RunStateTransition *p;
398
399 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
400
401 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
402 runstate_valid_transitions[p->from][p->to] = true;
403 }
404 }
405
406 /* This function will abort() on invalid state transitions */
407 void runstate_set(RunState new_state)
408 {
409 assert(new_state < RUN_STATE_MAX);
410
411 if (!runstate_valid_transitions[current_run_state][new_state]) {
412 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
413 RunState_lookup[current_run_state],
414 RunState_lookup[new_state]);
415 abort();
416 }
417
418 current_run_state = new_state;
419 }
420
421 int runstate_is_running(void)
422 {
423 return runstate_check(RUN_STATE_RUNNING);
424 }
425
426 StatusInfo *qmp_query_status(Error **errp)
427 {
428 StatusInfo *info = g_malloc0(sizeof(*info));
429
430 info->running = runstate_is_running();
431 info->singlestep = singlestep;
432 info->status = current_run_state;
433
434 return info;
435 }
436
437 /***********************************************************/
438 /* real time host monotonic timer */
439
440 /***********************************************************/
441 /* host time/date access */
442 void qemu_get_timedate(struct tm *tm, int offset)
443 {
444 time_t ti;
445 struct tm *ret;
446
447 time(&ti);
448 ti += offset;
449 if (rtc_date_offset == -1) {
450 if (rtc_utc)
451 ret = gmtime(&ti);
452 else
453 ret = localtime(&ti);
454 } else {
455 ti -= rtc_date_offset;
456 ret = gmtime(&ti);
457 }
458
459 memcpy(tm, ret, sizeof(struct tm));
460 }
461
462 int qemu_timedate_diff(struct tm *tm)
463 {
464 time_t seconds;
465
466 if (rtc_date_offset == -1)
467 if (rtc_utc)
468 seconds = mktimegm(tm);
469 else {
470 struct tm tmp = *tm;
471 tmp.tm_isdst = -1; /* use timezone to figure it out */
472 seconds = mktime(&tmp);
473 }
474 else
475 seconds = mktimegm(tm) + rtc_date_offset;
476
477 return seconds - time(NULL);
478 }
479
480 void rtc_change_mon_event(struct tm *tm)
481 {
482 QObject *data;
483
484 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
485 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
486 qobject_decref(data);
487 }
488
489 static void configure_rtc_date_offset(const char *startdate, int legacy)
490 {
491 time_t rtc_start_date;
492 struct tm tm;
493
494 if (!strcmp(startdate, "now") && legacy) {
495 rtc_date_offset = -1;
496 } else {
497 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
498 &tm.tm_year,
499 &tm.tm_mon,
500 &tm.tm_mday,
501 &tm.tm_hour,
502 &tm.tm_min,
503 &tm.tm_sec) == 6) {
504 /* OK */
505 } else if (sscanf(startdate, "%d-%d-%d",
506 &tm.tm_year,
507 &tm.tm_mon,
508 &tm.tm_mday) == 3) {
509 tm.tm_hour = 0;
510 tm.tm_min = 0;
511 tm.tm_sec = 0;
512 } else {
513 goto date_fail;
514 }
515 tm.tm_year -= 1900;
516 tm.tm_mon--;
517 rtc_start_date = mktimegm(&tm);
518 if (rtc_start_date == -1) {
519 date_fail:
520 fprintf(stderr, "Invalid date format. Valid formats are:\n"
521 "'2006-06-17T16:01:21' or '2006-06-17'\n");
522 exit(1);
523 }
524 rtc_date_offset = time(NULL) - rtc_start_date;
525 }
526 }
527
528 static void configure_rtc(QemuOpts *opts)
529 {
530 const char *value;
531
532 value = qemu_opt_get(opts, "base");
533 if (value) {
534 if (!strcmp(value, "utc")) {
535 rtc_utc = 1;
536 } else if (!strcmp(value, "localtime")) {
537 rtc_utc = 0;
538 } else {
539 configure_rtc_date_offset(value, 0);
540 }
541 }
542 value = qemu_opt_get(opts, "clock");
543 if (value) {
544 if (!strcmp(value, "host")) {
545 rtc_clock = host_clock;
546 } else if (!strcmp(value, "rt")) {
547 rtc_clock = rt_clock;
548 } else if (!strcmp(value, "vm")) {
549 rtc_clock = vm_clock;
550 } else {
551 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
552 exit(1);
553 }
554 }
555 value = qemu_opt_get(opts, "driftfix");
556 if (value) {
557 if (!strcmp(value, "slew")) {
558 static GlobalProperty slew_lost_ticks[] = {
559 {
560 .driver = "mc146818rtc",
561 .property = "lost_tick_policy",
562 .value = "slew",
563 },
564 { /* end of list */ }
565 };
566
567 qdev_prop_register_global_list(slew_lost_ticks);
568 } else if (!strcmp(value, "none")) {
569 /* discard is default */
570 } else {
571 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
572 exit(1);
573 }
574 }
575 }
576
577 /***********************************************************/
578 /* Bluetooth support */
579 static int nb_hcis;
580 static int cur_hci;
581 static struct HCIInfo *hci_table[MAX_NICS];
582
583 static struct bt_vlan_s {
584 struct bt_scatternet_s net;
585 int id;
586 struct bt_vlan_s *next;
587 } *first_bt_vlan;
588
589 /* find or alloc a new bluetooth "VLAN" */
590 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
591 {
592 struct bt_vlan_s **pvlan, *vlan;
593 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
594 if (vlan->id == id)
595 return &vlan->net;
596 }
597 vlan = g_malloc0(sizeof(struct bt_vlan_s));
598 vlan->id = id;
599 pvlan = &first_bt_vlan;
600 while (*pvlan != NULL)
601 pvlan = &(*pvlan)->next;
602 *pvlan = vlan;
603 return &vlan->net;
604 }
605
606 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
607 {
608 }
609
610 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
611 {
612 return -ENOTSUP;
613 }
614
615 static struct HCIInfo null_hci = {
616 .cmd_send = null_hci_send,
617 .sco_send = null_hci_send,
618 .acl_send = null_hci_send,
619 .bdaddr_set = null_hci_addr_set,
620 };
621
622 struct HCIInfo *qemu_next_hci(void)
623 {
624 if (cur_hci == nb_hcis)
625 return &null_hci;
626
627 return hci_table[cur_hci++];
628 }
629
630 static struct HCIInfo *hci_init(const char *str)
631 {
632 char *endp;
633 struct bt_scatternet_s *vlan = 0;
634
635 if (!strcmp(str, "null"))
636 /* null */
637 return &null_hci;
638 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
639 /* host[:hciN] */
640 return bt_host_hci(str[4] ? str + 5 : "hci0");
641 else if (!strncmp(str, "hci", 3)) {
642 /* hci[,vlan=n] */
643 if (str[3]) {
644 if (!strncmp(str + 3, ",vlan=", 6)) {
645 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
646 if (*endp)
647 vlan = 0;
648 }
649 } else
650 vlan = qemu_find_bt_vlan(0);
651 if (vlan)
652 return bt_new_hci(vlan);
653 }
654
655 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
656
657 return 0;
658 }
659
660 static int bt_hci_parse(const char *str)
661 {
662 struct HCIInfo *hci;
663 bdaddr_t bdaddr;
664
665 if (nb_hcis >= MAX_NICS) {
666 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
667 return -1;
668 }
669
670 hci = hci_init(str);
671 if (!hci)
672 return -1;
673
674 bdaddr.b[0] = 0x52;
675 bdaddr.b[1] = 0x54;
676 bdaddr.b[2] = 0x00;
677 bdaddr.b[3] = 0x12;
678 bdaddr.b[4] = 0x34;
679 bdaddr.b[5] = 0x56 + nb_hcis;
680 hci->bdaddr_set(hci, bdaddr.b);
681
682 hci_table[nb_hcis++] = hci;
683
684 return 0;
685 }
686
687 static void bt_vhci_add(int vlan_id)
688 {
689 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
690
691 if (!vlan->slave)
692 fprintf(stderr, "qemu: warning: adding a VHCI to "
693 "an empty scatternet %i\n", vlan_id);
694
695 bt_vhci_init(bt_new_hci(vlan));
696 }
697
698 static struct bt_device_s *bt_device_add(const char *opt)
699 {
700 struct bt_scatternet_s *vlan;
701 int vlan_id = 0;
702 char *endp = strstr(opt, ",vlan=");
703 int len = (endp ? endp - opt : strlen(opt)) + 1;
704 char devname[10];
705
706 pstrcpy(devname, MIN(sizeof(devname), len), opt);
707
708 if (endp) {
709 vlan_id = strtol(endp + 6, &endp, 0);
710 if (*endp) {
711 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
712 return 0;
713 }
714 }
715
716 vlan = qemu_find_bt_vlan(vlan_id);
717
718 if (!vlan->slave)
719 fprintf(stderr, "qemu: warning: adding a slave device to "
720 "an empty scatternet %i\n", vlan_id);
721
722 if (!strcmp(devname, "keyboard"))
723 return bt_keyboard_init(vlan);
724
725 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
726 return 0;
727 }
728
729 static int bt_parse(const char *opt)
730 {
731 const char *endp, *p;
732 int vlan;
733
734 if (strstart(opt, "hci", &endp)) {
735 if (!*endp || *endp == ',') {
736 if (*endp)
737 if (!strstart(endp, ",vlan=", 0))
738 opt = endp + 1;
739
740 return bt_hci_parse(opt);
741 }
742 } else if (strstart(opt, "vhci", &endp)) {
743 if (!*endp || *endp == ',') {
744 if (*endp) {
745 if (strstart(endp, ",vlan=", &p)) {
746 vlan = strtol(p, (char **) &endp, 0);
747 if (*endp) {
748 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
749 return 1;
750 }
751 } else {
752 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
753 return 1;
754 }
755 } else
756 vlan = 0;
757
758 bt_vhci_add(vlan);
759 return 0;
760 }
761 } else if (strstart(opt, "device:", &endp))
762 return !bt_device_add(endp);
763
764 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
765 return 1;
766 }
767
768 /***********************************************************/
769 /* QEMU Block devices */
770
771 #define HD_OPTS "media=disk"
772 #define CDROM_OPTS "media=cdrom"
773 #define FD_OPTS ""
774 #define PFLASH_OPTS ""
775 #define MTD_OPTS ""
776 #define SD_OPTS ""
777
778 static int drive_init_func(QemuOpts *opts, void *opaque)
779 {
780 int *use_scsi = opaque;
781
782 return drive_init(opts, *use_scsi) == NULL;
783 }
784
785 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
786 {
787 if (NULL == qemu_opt_get(opts, "snapshot")) {
788 qemu_opt_set(opts, "snapshot", "on");
789 }
790 return 0;
791 }
792
793 static void default_drive(int enable, int snapshot, int use_scsi,
794 BlockInterfaceType type, int index,
795 const char *optstr)
796 {
797 QemuOpts *opts;
798
799 if (type == IF_DEFAULT) {
800 type = use_scsi ? IF_SCSI : IF_IDE;
801 }
802
803 if (!enable || drive_get_by_index(type, index)) {
804 return;
805 }
806
807 opts = drive_add(type, index, NULL, optstr);
808 if (snapshot) {
809 drive_enable_snapshot(opts, NULL);
810 }
811 if (!drive_init(opts, use_scsi)) {
812 exit(1);
813 }
814 }
815
816 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
817 {
818 boot_set_handler = func;
819 boot_set_opaque = opaque;
820 }
821
822 int qemu_boot_set(const char *boot_devices)
823 {
824 if (!boot_set_handler) {
825 return -EINVAL;
826 }
827 return boot_set_handler(boot_set_opaque, boot_devices);
828 }
829
830 static void validate_bootdevices(char *devices)
831 {
832 /* We just do some generic consistency checks */
833 const char *p;
834 int bitmap = 0;
835
836 for (p = devices; *p != '\0'; p++) {
837 /* Allowed boot devices are:
838 * a-b: floppy disk drives
839 * c-f: IDE disk drives
840 * g-m: machine implementation dependent drives
841 * n-p: network devices
842 * It's up to each machine implementation to check if the given boot
843 * devices match the actual hardware implementation and firmware
844 * features.
845 */
846 if (*p < 'a' || *p > 'p') {
847 fprintf(stderr, "Invalid boot device '%c'\n", *p);
848 exit(1);
849 }
850 if (bitmap & (1 << (*p - 'a'))) {
851 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
852 exit(1);
853 }
854 bitmap |= 1 << (*p - 'a');
855 }
856 }
857
858 static void restore_boot_devices(void *opaque)
859 {
860 char *standard_boot_devices = opaque;
861 static int first = 1;
862
863 /* Restore boot order and remove ourselves after the first boot */
864 if (first) {
865 first = 0;
866 return;
867 }
868
869 qemu_boot_set(standard_boot_devices);
870
871 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
872 g_free(standard_boot_devices);
873 }
874
875 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
876 const char *suffix)
877 {
878 FWBootEntry *node, *i;
879
880 if (bootindex < 0) {
881 return;
882 }
883
884 assert(dev != NULL || suffix != NULL);
885
886 node = g_malloc0(sizeof(FWBootEntry));
887 node->bootindex = bootindex;
888 node->suffix = suffix ? g_strdup(suffix) : NULL;
889 node->dev = dev;
890
891 QTAILQ_FOREACH(i, &fw_boot_order, link) {
892 if (i->bootindex == bootindex) {
893 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
894 exit(1);
895 } else if (i->bootindex < bootindex) {
896 continue;
897 }
898 QTAILQ_INSERT_BEFORE(i, node, link);
899 return;
900 }
901 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
902 }
903
904 /*
905 * This function returns null terminated string that consist of new line
906 * separated device paths.
907 *
908 * memory pointed by "size" is assigned total length of the array in bytes
909 *
910 */
911 char *get_boot_devices_list(uint32_t *size)
912 {
913 FWBootEntry *i;
914 uint32_t total = 0;
915 char *list = NULL;
916
917 QTAILQ_FOREACH(i, &fw_boot_order, link) {
918 char *devpath = NULL, *bootpath;
919 int len;
920
921 if (i->dev) {
922 devpath = qdev_get_fw_dev_path(i->dev);
923 assert(devpath);
924 }
925
926 if (i->suffix && devpath) {
927 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
928
929 bootpath = g_malloc(bootpathlen);
930 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
931 g_free(devpath);
932 } else if (devpath) {
933 bootpath = devpath;
934 } else {
935 assert(i->suffix);
936 bootpath = g_strdup(i->suffix);
937 }
938
939 if (total) {
940 list[total-1] = '\n';
941 }
942 len = strlen(bootpath) + 1;
943 list = g_realloc(list, total + len);
944 memcpy(&list[total], bootpath, len);
945 total += len;
946 g_free(bootpath);
947 }
948
949 *size = total;
950
951 return list;
952 }
953
954 static void numa_add(const char *optarg)
955 {
956 char option[128];
957 char *endptr;
958 unsigned long long value, endvalue;
959 int nodenr;
960
961 value = endvalue = 0ULL;
962
963 optarg = get_opt_name(option, 128, optarg, ',') + 1;
964 if (!strcmp(option, "node")) {
965 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
966 nodenr = nb_numa_nodes;
967 } else {
968 nodenr = strtoull(option, NULL, 10);
969 }
970
971 if (get_param_value(option, 128, "mem", optarg) == 0) {
972 node_mem[nodenr] = 0;
973 } else {
974 int64_t sval;
975 sval = strtosz(option, &endptr);
976 if (sval < 0 || *endptr) {
977 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
978 exit(1);
979 }
980 node_mem[nodenr] = sval;
981 }
982 if (get_param_value(option, 128, "cpus", optarg) != 0) {
983 value = strtoull(option, &endptr, 10);
984 if (*endptr == '-') {
985 endvalue = strtoull(endptr+1, &endptr, 10);
986 } else {
987 endvalue = value;
988 }
989
990 if (!(endvalue < MAX_CPUMASK_BITS)) {
991 endvalue = MAX_CPUMASK_BITS - 1;
992 fprintf(stderr,
993 "A max of %d CPUs are supported in a guest\n",
994 MAX_CPUMASK_BITS);
995 }
996
997 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
998 }
999 nb_numa_nodes++;
1000 }
1001 return;
1002 }
1003
1004 static void smp_parse(const char *optarg)
1005 {
1006 int smp, sockets = 0, threads = 0, cores = 0;
1007 char *endptr;
1008 char option[128];
1009
1010 smp = strtoul(optarg, &endptr, 10);
1011 if (endptr != optarg) {
1012 if (*endptr == ',') {
1013 endptr++;
1014 }
1015 }
1016 if (get_param_value(option, 128, "sockets", endptr) != 0)
1017 sockets = strtoull(option, NULL, 10);
1018 if (get_param_value(option, 128, "cores", endptr) != 0)
1019 cores = strtoull(option, NULL, 10);
1020 if (get_param_value(option, 128, "threads", endptr) != 0)
1021 threads = strtoull(option, NULL, 10);
1022 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1023 max_cpus = strtoull(option, NULL, 10);
1024
1025 /* compute missing values, prefer sockets over cores over threads */
1026 if (smp == 0 || sockets == 0) {
1027 sockets = sockets > 0 ? sockets : 1;
1028 cores = cores > 0 ? cores : 1;
1029 threads = threads > 0 ? threads : 1;
1030 if (smp == 0) {
1031 smp = cores * threads * sockets;
1032 }
1033 } else {
1034 if (cores == 0) {
1035 threads = threads > 0 ? threads : 1;
1036 cores = smp / (sockets * threads);
1037 } else {
1038 threads = smp / (cores * sockets);
1039 }
1040 }
1041 smp_cpus = smp;
1042 smp_cores = cores > 0 ? cores : 1;
1043 smp_threads = threads > 0 ? threads : 1;
1044 if (max_cpus == 0)
1045 max_cpus = smp_cpus;
1046 }
1047
1048 /***********************************************************/
1049 /* USB devices */
1050
1051 static int usb_device_add(const char *devname)
1052 {
1053 const char *p;
1054 USBDevice *dev = NULL;
1055
1056 if (!usb_enabled)
1057 return -1;
1058
1059 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1060 dev = usbdevice_create(devname);
1061 if (dev)
1062 goto done;
1063
1064 /* the other ones */
1065 #ifndef CONFIG_LINUX
1066 /* only the linux version is qdev-ified, usb-bsd still needs this */
1067 if (strstart(devname, "host:", &p)) {
1068 dev = usb_host_device_open(usb_bus_find(-1), p);
1069 } else
1070 #endif
1071 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1072 dev = usb_bt_init(usb_bus_find(-1),
1073 devname[2] ? hci_init(p)
1074 : bt_new_hci(qemu_find_bt_vlan(0)));
1075 } else {
1076 return -1;
1077 }
1078 if (!dev)
1079 return -1;
1080
1081 done:
1082 return 0;
1083 }
1084
1085 static int usb_device_del(const char *devname)
1086 {
1087 int bus_num, addr;
1088 const char *p;
1089
1090 if (strstart(devname, "host:", &p))
1091 return usb_host_device_close(p);
1092
1093 if (!usb_enabled)
1094 return -1;
1095
1096 p = strchr(devname, '.');
1097 if (!p)
1098 return -1;
1099 bus_num = strtoul(devname, NULL, 0);
1100 addr = strtoul(p + 1, NULL, 0);
1101
1102 return usb_device_delete_addr(bus_num, addr);
1103 }
1104
1105 static int usb_parse(const char *cmdline)
1106 {
1107 int r;
1108 r = usb_device_add(cmdline);
1109 if (r < 0) {
1110 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1111 }
1112 return r;
1113 }
1114
1115 void do_usb_add(Monitor *mon, const QDict *qdict)
1116 {
1117 const char *devname = qdict_get_str(qdict, "devname");
1118 if (usb_device_add(devname) < 0) {
1119 error_report("could not add USB device '%s'", devname);
1120 }
1121 }
1122
1123 void do_usb_del(Monitor *mon, const QDict *qdict)
1124 {
1125 const char *devname = qdict_get_str(qdict, "devname");
1126 if (usb_device_del(devname) < 0) {
1127 error_report("could not delete USB device '%s'", devname);
1128 }
1129 }
1130
1131 /***********************************************************/
1132 /* PCMCIA/Cardbus */
1133
1134 static struct pcmcia_socket_entry_s {
1135 PCMCIASocket *socket;
1136 struct pcmcia_socket_entry_s *next;
1137 } *pcmcia_sockets = 0;
1138
1139 void pcmcia_socket_register(PCMCIASocket *socket)
1140 {
1141 struct pcmcia_socket_entry_s *entry;
1142
1143 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1144 entry->socket = socket;
1145 entry->next = pcmcia_sockets;
1146 pcmcia_sockets = entry;
1147 }
1148
1149 void pcmcia_socket_unregister(PCMCIASocket *socket)
1150 {
1151 struct pcmcia_socket_entry_s *entry, **ptr;
1152
1153 ptr = &pcmcia_sockets;
1154 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1155 if (entry->socket == socket) {
1156 *ptr = entry->next;
1157 g_free(entry);
1158 }
1159 }
1160
1161 void pcmcia_info(Monitor *mon)
1162 {
1163 struct pcmcia_socket_entry_s *iter;
1164
1165 if (!pcmcia_sockets)
1166 monitor_printf(mon, "No PCMCIA sockets\n");
1167
1168 for (iter = pcmcia_sockets; iter; iter = iter->next)
1169 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1170 iter->socket->attached ? iter->socket->card_string :
1171 "Empty");
1172 }
1173
1174 /***********************************************************/
1175 /* machine registration */
1176
1177 static QEMUMachine *first_machine = NULL;
1178 QEMUMachine *current_machine = NULL;
1179
1180 int qemu_register_machine(QEMUMachine *m)
1181 {
1182 QEMUMachine **pm;
1183 pm = &first_machine;
1184 while (*pm != NULL)
1185 pm = &(*pm)->next;
1186 m->next = NULL;
1187 *pm = m;
1188 return 0;
1189 }
1190
1191 static QEMUMachine *find_machine(const char *name)
1192 {
1193 QEMUMachine *m;
1194
1195 for(m = first_machine; m != NULL; m = m->next) {
1196 if (!strcmp(m->name, name))
1197 return m;
1198 if (m->alias && !strcmp(m->alias, name))
1199 return m;
1200 }
1201 return NULL;
1202 }
1203
1204 QEMUMachine *find_default_machine(void)
1205 {
1206 QEMUMachine *m;
1207
1208 for(m = first_machine; m != NULL; m = m->next) {
1209 if (m->is_default) {
1210 return m;
1211 }
1212 }
1213 return NULL;
1214 }
1215
1216 MachineInfoList *qmp_query_machines(Error **errp)
1217 {
1218 MachineInfoList *mach_list = NULL;
1219 QEMUMachine *m;
1220
1221 for (m = first_machine; m; m = m->next) {
1222 MachineInfoList *entry;
1223 MachineInfo *info;
1224
1225 info = g_malloc0(sizeof(*info));
1226 if (m->is_default) {
1227 info->has_is_default = true;
1228 info->is_default = true;
1229 }
1230
1231 if (m->alias) {
1232 info->has_alias = true;
1233 info->alias = g_strdup(m->alias);
1234 }
1235
1236 info->name = g_strdup(m->name);
1237
1238 entry = g_malloc0(sizeof(*entry));
1239 entry->value = info;
1240 entry->next = mach_list;
1241 mach_list = entry;
1242 }
1243
1244 return mach_list;
1245 }
1246
1247 /***********************************************************/
1248 /* main execution loop */
1249
1250 static void gui_update(void *opaque)
1251 {
1252 uint64_t interval = GUI_REFRESH_INTERVAL;
1253 DisplayState *ds = opaque;
1254 DisplayChangeListener *dcl = ds->listeners;
1255
1256 dpy_refresh(ds);
1257
1258 while (dcl != NULL) {
1259 if (dcl->gui_timer_interval &&
1260 dcl->gui_timer_interval < interval)
1261 interval = dcl->gui_timer_interval;
1262 dcl = dcl->next;
1263 }
1264 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1265 }
1266
1267 struct vm_change_state_entry {
1268 VMChangeStateHandler *cb;
1269 void *opaque;
1270 QLIST_ENTRY (vm_change_state_entry) entries;
1271 };
1272
1273 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1274
1275 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1276 void *opaque)
1277 {
1278 VMChangeStateEntry *e;
1279
1280 e = g_malloc0(sizeof (*e));
1281
1282 e->cb = cb;
1283 e->opaque = opaque;
1284 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1285 return e;
1286 }
1287
1288 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1289 {
1290 QLIST_REMOVE (e, entries);
1291 g_free (e);
1292 }
1293
1294 void vm_state_notify(int running, RunState state)
1295 {
1296 VMChangeStateEntry *e;
1297
1298 trace_vm_state_notify(running, state);
1299
1300 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1301 e->cb(e->opaque, running, state);
1302 }
1303 }
1304
1305 void vm_start(void)
1306 {
1307 if (!runstate_is_running()) {
1308 cpu_enable_ticks();
1309 runstate_set(RUN_STATE_RUNNING);
1310 vm_state_notify(1, RUN_STATE_RUNNING);
1311 resume_all_vcpus();
1312 monitor_protocol_event(QEVENT_RESUME, NULL);
1313 }
1314 }
1315
1316 /* reset/shutdown handler */
1317
1318 typedef struct QEMUResetEntry {
1319 QTAILQ_ENTRY(QEMUResetEntry) entry;
1320 QEMUResetHandler *func;
1321 void *opaque;
1322 } QEMUResetEntry;
1323
1324 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1325 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1326 static int reset_requested;
1327 static int shutdown_requested, shutdown_signal = -1;
1328 static pid_t shutdown_pid;
1329 static int powerdown_requested;
1330 static int debug_requested;
1331 static int suspend_requested;
1332 static int wakeup_requested;
1333 static NotifierList suspend_notifiers =
1334 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1335 static NotifierList wakeup_notifiers =
1336 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1337 static uint32_t wakeup_reason_mask = ~0;
1338 static RunState vmstop_requested = RUN_STATE_MAX;
1339
1340 int qemu_shutdown_requested_get(void)
1341 {
1342 return shutdown_requested;
1343 }
1344
1345 int qemu_reset_requested_get(void)
1346 {
1347 return reset_requested;
1348 }
1349
1350 int qemu_shutdown_requested(void)
1351 {
1352 int r = shutdown_requested;
1353 shutdown_requested = 0;
1354 return r;
1355 }
1356
1357 void qemu_kill_report(void)
1358 {
1359 if (!qtest_enabled() && shutdown_signal != -1) {
1360 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1361 if (shutdown_pid == 0) {
1362 /* This happens for eg ^C at the terminal, so it's worth
1363 * avoiding printing an odd message in that case.
1364 */
1365 fputc('\n', stderr);
1366 } else {
1367 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1368 }
1369 shutdown_signal = -1;
1370 }
1371 }
1372
1373 int qemu_reset_requested(void)
1374 {
1375 int r = reset_requested;
1376 reset_requested = 0;
1377 return r;
1378 }
1379
1380 static int qemu_suspend_requested(void)
1381 {
1382 int r = suspend_requested;
1383 suspend_requested = 0;
1384 return r;
1385 }
1386
1387 static int qemu_wakeup_requested(void)
1388 {
1389 int r = wakeup_requested;
1390 wakeup_requested = 0;
1391 return r;
1392 }
1393
1394 int qemu_powerdown_requested(void)
1395 {
1396 int r = powerdown_requested;
1397 powerdown_requested = 0;
1398 return r;
1399 }
1400
1401 static int qemu_debug_requested(void)
1402 {
1403 int r = debug_requested;
1404 debug_requested = 0;
1405 return r;
1406 }
1407
1408 /* We use RUN_STATE_MAX but any invalid value will do */
1409 static bool qemu_vmstop_requested(RunState *r)
1410 {
1411 if (vmstop_requested < RUN_STATE_MAX) {
1412 *r = vmstop_requested;
1413 vmstop_requested = RUN_STATE_MAX;
1414 return true;
1415 }
1416
1417 return false;
1418 }
1419
1420 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1421 {
1422 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1423
1424 re->func = func;
1425 re->opaque = opaque;
1426 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1427 }
1428
1429 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1430 {
1431 QEMUResetEntry *re;
1432
1433 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1434 if (re->func == func && re->opaque == opaque) {
1435 QTAILQ_REMOVE(&reset_handlers, re, entry);
1436 g_free(re);
1437 return;
1438 }
1439 }
1440 }
1441
1442 void qemu_system_reset(bool report)
1443 {
1444 QEMUResetEntry *re, *nre;
1445
1446 /* reset all devices */
1447 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1448 re->func(re->opaque);
1449 }
1450 if (report) {
1451 monitor_protocol_event(QEVENT_RESET, NULL);
1452 }
1453 cpu_synchronize_all_post_reset();
1454 }
1455
1456 void qemu_system_reset_request(void)
1457 {
1458 if (no_reboot) {
1459 shutdown_requested = 1;
1460 } else {
1461 reset_requested = 1;
1462 }
1463 cpu_stop_current();
1464 qemu_notify_event();
1465 }
1466
1467 static void qemu_system_suspend(void)
1468 {
1469 pause_all_vcpus();
1470 notifier_list_notify(&suspend_notifiers, NULL);
1471 runstate_set(RUN_STATE_SUSPENDED);
1472 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1473 }
1474
1475 void qemu_system_suspend_request(void)
1476 {
1477 if (runstate_check(RUN_STATE_SUSPENDED)) {
1478 return;
1479 }
1480 suspend_requested = 1;
1481 cpu_stop_current();
1482 qemu_notify_event();
1483 }
1484
1485 void qemu_register_suspend_notifier(Notifier *notifier)
1486 {
1487 notifier_list_add(&suspend_notifiers, notifier);
1488 }
1489
1490 void qemu_system_wakeup_request(WakeupReason reason)
1491 {
1492 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1493 return;
1494 }
1495 if (!(wakeup_reason_mask & (1 << reason))) {
1496 return;
1497 }
1498 runstate_set(RUN_STATE_RUNNING);
1499 notifier_list_notify(&wakeup_notifiers, &reason);
1500 wakeup_requested = 1;
1501 qemu_notify_event();
1502 }
1503
1504 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1505 {
1506 if (enabled) {
1507 wakeup_reason_mask |= (1 << reason);
1508 } else {
1509 wakeup_reason_mask &= ~(1 << reason);
1510 }
1511 }
1512
1513 void qemu_register_wakeup_notifier(Notifier *notifier)
1514 {
1515 notifier_list_add(&wakeup_notifiers, notifier);
1516 }
1517
1518 void qemu_system_killed(int signal, pid_t pid)
1519 {
1520 shutdown_signal = signal;
1521 shutdown_pid = pid;
1522 no_shutdown = 0;
1523 qemu_system_shutdown_request();
1524 }
1525
1526 void qemu_system_shutdown_request(void)
1527 {
1528 shutdown_requested = 1;
1529 qemu_notify_event();
1530 }
1531
1532 void qemu_system_powerdown_request(void)
1533 {
1534 powerdown_requested = 1;
1535 qemu_notify_event();
1536 }
1537
1538 void qemu_system_debug_request(void)
1539 {
1540 debug_requested = 1;
1541 qemu_notify_event();
1542 }
1543
1544 void qemu_system_vmstop_request(RunState state)
1545 {
1546 vmstop_requested = state;
1547 qemu_notify_event();
1548 }
1549
1550 qemu_irq qemu_system_powerdown;
1551
1552 static bool main_loop_should_exit(void)
1553 {
1554 RunState r;
1555 if (qemu_debug_requested()) {
1556 vm_stop(RUN_STATE_DEBUG);
1557 }
1558 if (qemu_suspend_requested()) {
1559 qemu_system_suspend();
1560 }
1561 if (qemu_shutdown_requested()) {
1562 qemu_kill_report();
1563 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1564 if (no_shutdown) {
1565 vm_stop(RUN_STATE_SHUTDOWN);
1566 } else {
1567 return true;
1568 }
1569 }
1570 if (qemu_reset_requested()) {
1571 pause_all_vcpus();
1572 cpu_synchronize_all_states();
1573 qemu_system_reset(VMRESET_REPORT);
1574 resume_all_vcpus();
1575 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1576 runstate_check(RUN_STATE_SHUTDOWN)) {
1577 runstate_set(RUN_STATE_PAUSED);
1578 }
1579 }
1580 if (qemu_wakeup_requested()) {
1581 pause_all_vcpus();
1582 cpu_synchronize_all_states();
1583 qemu_system_reset(VMRESET_SILENT);
1584 resume_all_vcpus();
1585 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1586 }
1587 if (qemu_powerdown_requested()) {
1588 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1589 qemu_irq_raise(qemu_system_powerdown);
1590 }
1591 if (qemu_vmstop_requested(&r)) {
1592 vm_stop(r);
1593 }
1594 return false;
1595 }
1596
1597 static void main_loop(void)
1598 {
1599 bool nonblocking;
1600 int last_io = 0;
1601 #ifdef CONFIG_PROFILER
1602 int64_t ti;
1603 #endif
1604 do {
1605 nonblocking = !kvm_enabled() && last_io > 0;
1606 #ifdef CONFIG_PROFILER
1607 ti = profile_getclock();
1608 #endif
1609 last_io = main_loop_wait(nonblocking);
1610 #ifdef CONFIG_PROFILER
1611 dev_time += profile_getclock() - ti;
1612 #endif
1613 } while (!main_loop_should_exit());
1614 }
1615
1616 static void version(void)
1617 {
1618 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1619 }
1620
1621 static void help(int exitcode)
1622 {
1623 version();
1624 printf("usage: %s [options] [disk_image]\n\n"
1625 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1626 error_get_progname());
1627
1628 #define QEMU_OPTIONS_GENERATE_HELP
1629 #include "qemu-options-wrapper.h"
1630
1631 printf("\nDuring emulation, the following keys are useful:\n"
1632 "ctrl-alt-f toggle full screen\n"
1633 "ctrl-alt-n switch to virtual console 'n'\n"
1634 "ctrl-alt toggle mouse and keyboard grab\n"
1635 "\n"
1636 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1637
1638 exit(exitcode);
1639 }
1640
1641 #define HAS_ARG 0x0001
1642
1643 typedef struct QEMUOption {
1644 const char *name;
1645 int flags;
1646 int index;
1647 uint32_t arch_mask;
1648 } QEMUOption;
1649
1650 static const QEMUOption qemu_options[] = {
1651 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1652 #define QEMU_OPTIONS_GENERATE_OPTIONS
1653 #include "qemu-options-wrapper.h"
1654 { NULL },
1655 };
1656
1657 static bool vga_available(void)
1658 {
1659 return qdev_exists("VGA") || qdev_exists("isa-vga");
1660 }
1661
1662 static bool cirrus_vga_available(void)
1663 {
1664 return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1665 }
1666
1667 static bool vmware_vga_available(void)
1668 {
1669 return qdev_exists("vmware-svga");
1670 }
1671
1672 static void select_vgahw (const char *p)
1673 {
1674 const char *opts;
1675
1676 vga_interface_type = VGA_NONE;
1677 if (strstart(p, "std", &opts)) {
1678 if (vga_available()) {
1679 vga_interface_type = VGA_STD;
1680 } else {
1681 fprintf(stderr, "Error: standard VGA not available\n");
1682 exit(0);
1683 }
1684 } else if (strstart(p, "cirrus", &opts)) {
1685 if (cirrus_vga_available()) {
1686 vga_interface_type = VGA_CIRRUS;
1687 } else {
1688 fprintf(stderr, "Error: Cirrus VGA not available\n");
1689 exit(0);
1690 }
1691 } else if (strstart(p, "vmware", &opts)) {
1692 if (vmware_vga_available()) {
1693 vga_interface_type = VGA_VMWARE;
1694 } else {
1695 fprintf(stderr, "Error: VMWare SVGA not available\n");
1696 exit(0);
1697 }
1698 } else if (strstart(p, "xenfb", &opts)) {
1699 vga_interface_type = VGA_XENFB;
1700 } else if (strstart(p, "qxl", &opts)) {
1701 vga_interface_type = VGA_QXL;
1702 } else if (!strstart(p, "none", &opts)) {
1703 invalid_vga:
1704 fprintf(stderr, "Unknown vga type: %s\n", p);
1705 exit(1);
1706 }
1707 while (*opts) {
1708 const char *nextopt;
1709
1710 if (strstart(opts, ",retrace=", &nextopt)) {
1711 opts = nextopt;
1712 if (strstart(opts, "dumb", &nextopt))
1713 vga_retrace_method = VGA_RETRACE_DUMB;
1714 else if (strstart(opts, "precise", &nextopt))
1715 vga_retrace_method = VGA_RETRACE_PRECISE;
1716 else goto invalid_vga;
1717 } else goto invalid_vga;
1718 opts = nextopt;
1719 }
1720 }
1721
1722 static DisplayType select_display(const char *p)
1723 {
1724 const char *opts;
1725 DisplayType display = DT_DEFAULT;
1726
1727 if (strstart(p, "sdl", &opts)) {
1728 #ifdef CONFIG_SDL
1729 display = DT_SDL;
1730 while (*opts) {
1731 const char *nextopt;
1732
1733 if (strstart(opts, ",frame=", &nextopt)) {
1734 opts = nextopt;
1735 if (strstart(opts, "on", &nextopt)) {
1736 no_frame = 0;
1737 } else if (strstart(opts, "off", &nextopt)) {
1738 no_frame = 1;
1739 } else {
1740 goto invalid_sdl_args;
1741 }
1742 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1743 opts = nextopt;
1744 if (strstart(opts, "on", &nextopt)) {
1745 alt_grab = 1;
1746 } else if (strstart(opts, "off", &nextopt)) {
1747 alt_grab = 0;
1748 } else {
1749 goto invalid_sdl_args;
1750 }
1751 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1752 opts = nextopt;
1753 if (strstart(opts, "on", &nextopt)) {
1754 ctrl_grab = 1;
1755 } else if (strstart(opts, "off", &nextopt)) {
1756 ctrl_grab = 0;
1757 } else {
1758 goto invalid_sdl_args;
1759 }
1760 } else if (strstart(opts, ",window_close=", &nextopt)) {
1761 opts = nextopt;
1762 if (strstart(opts, "on", &nextopt)) {
1763 no_quit = 0;
1764 } else if (strstart(opts, "off", &nextopt)) {
1765 no_quit = 1;
1766 } else {
1767 goto invalid_sdl_args;
1768 }
1769 } else {
1770 invalid_sdl_args:
1771 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1772 exit(1);
1773 }
1774 opts = nextopt;
1775 }
1776 #else
1777 fprintf(stderr, "SDL support is disabled\n");
1778 exit(1);
1779 #endif
1780 } else if (strstart(p, "vnc", &opts)) {
1781 #ifdef CONFIG_VNC
1782 display_remote++;
1783
1784 if (*opts) {
1785 const char *nextopt;
1786
1787 if (strstart(opts, "=", &nextopt)) {
1788 vnc_display = nextopt;
1789 }
1790 }
1791 if (!vnc_display) {
1792 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1793 exit(1);
1794 }
1795 #else
1796 fprintf(stderr, "VNC support is disabled\n");
1797 exit(1);
1798 #endif
1799 } else if (strstart(p, "curses", &opts)) {
1800 #ifdef CONFIG_CURSES
1801 display = DT_CURSES;
1802 #else
1803 fprintf(stderr, "Curses support is disabled\n");
1804 exit(1);
1805 #endif
1806 } else if (strstart(p, "none", &opts)) {
1807 display = DT_NONE;
1808 } else {
1809 fprintf(stderr, "Unknown display type: %s\n", p);
1810 exit(1);
1811 }
1812
1813 return display;
1814 }
1815
1816 static int balloon_parse(const char *arg)
1817 {
1818 QemuOpts *opts;
1819
1820 if (strcmp(arg, "none") == 0) {
1821 return 0;
1822 }
1823
1824 if (!strncmp(arg, "virtio", 6)) {
1825 if (arg[6] == ',') {
1826 /* have params -> parse them */
1827 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1828 if (!opts)
1829 return -1;
1830 } else {
1831 /* create empty opts */
1832 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1833 }
1834 qemu_opt_set(opts, "driver", "virtio-balloon");
1835 return 0;
1836 }
1837
1838 return -1;
1839 }
1840
1841 char *qemu_find_file(int type, const char *name)
1842 {
1843 int len;
1844 const char *subdir;
1845 char *buf;
1846
1847 /* Try the name as a straight path first */
1848 if (access(name, R_OK) == 0) {
1849 return g_strdup(name);
1850 }
1851 switch (type) {
1852 case QEMU_FILE_TYPE_BIOS:
1853 subdir = "";
1854 break;
1855 case QEMU_FILE_TYPE_KEYMAP:
1856 subdir = "keymaps/";
1857 break;
1858 default:
1859 abort();
1860 }
1861 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1862 buf = g_malloc0(len);
1863 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1864 if (access(buf, R_OK)) {
1865 g_free(buf);
1866 return NULL;
1867 }
1868 return buf;
1869 }
1870
1871 static int device_help_func(QemuOpts *opts, void *opaque)
1872 {
1873 return qdev_device_help(opts);
1874 }
1875
1876 static int device_init_func(QemuOpts *opts, void *opaque)
1877 {
1878 DeviceState *dev;
1879
1880 dev = qdev_device_add(opts);
1881 if (!dev)
1882 return -1;
1883 return 0;
1884 }
1885
1886 static int chardev_init_func(QemuOpts *opts, void *opaque)
1887 {
1888 CharDriverState *chr;
1889
1890 chr = qemu_chr_new_from_opts(opts, NULL);
1891 if (!chr)
1892 return -1;
1893 return 0;
1894 }
1895
1896 #ifdef CONFIG_VIRTFS
1897 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1898 {
1899 int ret;
1900 ret = qemu_fsdev_add(opts);
1901
1902 return ret;
1903 }
1904 #endif
1905
1906 static int mon_init_func(QemuOpts *opts, void *opaque)
1907 {
1908 CharDriverState *chr;
1909 const char *chardev;
1910 const char *mode;
1911 int flags;
1912
1913 mode = qemu_opt_get(opts, "mode");
1914 if (mode == NULL) {
1915 mode = "readline";
1916 }
1917 if (strcmp(mode, "readline") == 0) {
1918 flags = MONITOR_USE_READLINE;
1919 } else if (strcmp(mode, "control") == 0) {
1920 flags = MONITOR_USE_CONTROL;
1921 } else {
1922 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1923 exit(1);
1924 }
1925
1926 if (qemu_opt_get_bool(opts, "pretty", 0))
1927 flags |= MONITOR_USE_PRETTY;
1928
1929 if (qemu_opt_get_bool(opts, "default", 0))
1930 flags |= MONITOR_IS_DEFAULT;
1931
1932 chardev = qemu_opt_get(opts, "chardev");
1933 chr = qemu_chr_find(chardev);
1934 if (chr == NULL) {
1935 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1936 exit(1);
1937 }
1938
1939 monitor_init(chr, flags);
1940 return 0;
1941 }
1942
1943 static void monitor_parse(const char *optarg, const char *mode)
1944 {
1945 static int monitor_device_index = 0;
1946 QemuOpts *opts;
1947 const char *p;
1948 char label[32];
1949 int def = 0;
1950
1951 if (strstart(optarg, "chardev:", &p)) {
1952 snprintf(label, sizeof(label), "%s", p);
1953 } else {
1954 snprintf(label, sizeof(label), "compat_monitor%d",
1955 monitor_device_index);
1956 if (monitor_device_index == 0) {
1957 def = 1;
1958 }
1959 opts = qemu_chr_parse_compat(label, optarg);
1960 if (!opts) {
1961 fprintf(stderr, "parse error: %s\n", optarg);
1962 exit(1);
1963 }
1964 }
1965
1966 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
1967 if (!opts) {
1968 fprintf(stderr, "duplicate chardev: %s\n", label);
1969 exit(1);
1970 }
1971 qemu_opt_set(opts, "mode", mode);
1972 qemu_opt_set(opts, "chardev", label);
1973 if (def)
1974 qemu_opt_set(opts, "default", "on");
1975 monitor_device_index++;
1976 }
1977
1978 struct device_config {
1979 enum {
1980 DEV_USB, /* -usbdevice */
1981 DEV_BT, /* -bt */
1982 DEV_SERIAL, /* -serial */
1983 DEV_PARALLEL, /* -parallel */
1984 DEV_VIRTCON, /* -virtioconsole */
1985 DEV_DEBUGCON, /* -debugcon */
1986 DEV_GDB, /* -gdb, -s */
1987 } type;
1988 const char *cmdline;
1989 Location loc;
1990 QTAILQ_ENTRY(device_config) next;
1991 };
1992 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1993
1994 static void add_device_config(int type, const char *cmdline)
1995 {
1996 struct device_config *conf;
1997
1998 conf = g_malloc0(sizeof(*conf));
1999 conf->type = type;
2000 conf->cmdline = cmdline;
2001 loc_save(&conf->loc);
2002 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2003 }
2004
2005 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2006 {
2007 struct device_config *conf;
2008 int rc;
2009
2010 QTAILQ_FOREACH(conf, &device_configs, next) {
2011 if (conf->type != type)
2012 continue;
2013 loc_push_restore(&conf->loc);
2014 rc = func(conf->cmdline);
2015 loc_pop(&conf->loc);
2016 if (0 != rc)
2017 return rc;
2018 }
2019 return 0;
2020 }
2021
2022 static int serial_parse(const char *devname)
2023 {
2024 static int index = 0;
2025 char label[32];
2026
2027 if (strcmp(devname, "none") == 0)
2028 return 0;
2029 if (index == MAX_SERIAL_PORTS) {
2030 fprintf(stderr, "qemu: too many serial ports\n");
2031 exit(1);
2032 }
2033 snprintf(label, sizeof(label), "serial%d", index);
2034 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2035 if (!serial_hds[index]) {
2036 fprintf(stderr, "qemu: could not connect serial device"
2037 " to character backend '%s'\n", devname);
2038 return -1;
2039 }
2040 index++;
2041 return 0;
2042 }
2043
2044 static int parallel_parse(const char *devname)
2045 {
2046 static int index = 0;
2047 char label[32];
2048
2049 if (strcmp(devname, "none") == 0)
2050 return 0;
2051 if (index == MAX_PARALLEL_PORTS) {
2052 fprintf(stderr, "qemu: too many parallel ports\n");
2053 exit(1);
2054 }
2055 snprintf(label, sizeof(label), "parallel%d", index);
2056 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2057 if (!parallel_hds[index]) {
2058 fprintf(stderr, "qemu: could not connect parallel device"
2059 " to character backend '%s'\n", devname);
2060 return -1;
2061 }
2062 index++;
2063 return 0;
2064 }
2065
2066 static int virtcon_parse(const char *devname)
2067 {
2068 QemuOptsList *device = qemu_find_opts("device");
2069 static int index = 0;
2070 char label[32];
2071 QemuOpts *bus_opts, *dev_opts;
2072
2073 if (strcmp(devname, "none") == 0)
2074 return 0;
2075 if (index == MAX_VIRTIO_CONSOLES) {
2076 fprintf(stderr, "qemu: too many virtio consoles\n");
2077 exit(1);
2078 }
2079
2080 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2081 if (arch_type == QEMU_ARCH_S390X) {
2082 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2083 } else {
2084 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2085 }
2086
2087 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2088 qemu_opt_set(dev_opts, "driver", "virtconsole");
2089
2090 snprintf(label, sizeof(label), "virtcon%d", index);
2091 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2092 if (!virtcon_hds[index]) {
2093 fprintf(stderr, "qemu: could not connect virtio console"
2094 " to character backend '%s'\n", devname);
2095 return -1;
2096 }
2097 qemu_opt_set(dev_opts, "chardev", label);
2098
2099 index++;
2100 return 0;
2101 }
2102
2103 static int debugcon_parse(const char *devname)
2104 {
2105 QemuOpts *opts;
2106
2107 if (!qemu_chr_new("debugcon", devname, NULL)) {
2108 exit(1);
2109 }
2110 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2111 if (!opts) {
2112 fprintf(stderr, "qemu: already have a debugcon device\n");
2113 exit(1);
2114 }
2115 qemu_opt_set(opts, "driver", "isa-debugcon");
2116 qemu_opt_set(opts, "chardev", "debugcon");
2117 return 0;
2118 }
2119
2120 static QEMUMachine *machine_parse(const char *name)
2121 {
2122 QEMUMachine *m, *machine = NULL;
2123
2124 if (name) {
2125 machine = find_machine(name);
2126 }
2127 if (machine) {
2128 return machine;
2129 }
2130 printf("Supported machines are:\n");
2131 for (m = first_machine; m != NULL; m = m->next) {
2132 if (m->alias) {
2133 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2134 }
2135 printf("%-20s %s%s\n", m->name, m->desc,
2136 m->is_default ? " (default)" : "");
2137 }
2138 exit(!name || !is_help_option(name));
2139 }
2140
2141 static int tcg_init(void)
2142 {
2143 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2144 return 0;
2145 }
2146
2147 static struct {
2148 const char *opt_name;
2149 const char *name;
2150 int (*available)(void);
2151 int (*init)(void);
2152 int *allowed;
2153 } accel_list[] = {
2154 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2155 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2156 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2157 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2158 };
2159
2160 static int configure_accelerator(void)
2161 {
2162 const char *p = NULL;
2163 char buf[10];
2164 int i, ret;
2165 bool accel_initialised = 0;
2166 bool init_failed = 0;
2167
2168 QemuOptsList *list = qemu_find_opts("machine");
2169 if (!QTAILQ_EMPTY(&list->head)) {
2170 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2171 }
2172
2173 if (p == NULL) {
2174 /* Use the default "accelerator", tcg */
2175 p = "tcg";
2176 }
2177
2178 while (!accel_initialised && *p != '\0') {
2179 if (*p == ':') {
2180 p++;
2181 }
2182 p = get_opt_name(buf, sizeof (buf), p, ':');
2183 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2184 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2185 *(accel_list[i].allowed) = 1;
2186 ret = accel_list[i].init();
2187 if (ret < 0) {
2188 init_failed = 1;
2189 if (!accel_list[i].available()) {
2190 printf("%s not supported for this target\n",
2191 accel_list[i].name);
2192 } else {
2193 fprintf(stderr, "failed to initialize %s: %s\n",
2194 accel_list[i].name,
2195 strerror(-ret));
2196 }
2197 *(accel_list[i].allowed) = 0;
2198 } else {
2199 accel_initialised = 1;
2200 }
2201 break;
2202 }
2203 }
2204 if (i == ARRAY_SIZE(accel_list)) {
2205 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2206 }
2207 }
2208
2209 if (!accel_initialised) {
2210 fprintf(stderr, "No accelerator found!\n");
2211 exit(1);
2212 }
2213
2214 if (init_failed) {
2215 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2216 }
2217
2218 return !accel_initialised;
2219 }
2220
2221 void qemu_add_exit_notifier(Notifier *notify)
2222 {
2223 notifier_list_add(&exit_notifiers, notify);
2224 }
2225
2226 void qemu_remove_exit_notifier(Notifier *notify)
2227 {
2228 notifier_remove(notify);
2229 }
2230
2231 static void qemu_run_exit_notifiers(void)
2232 {
2233 notifier_list_notify(&exit_notifiers, NULL);
2234 }
2235
2236 void qemu_add_machine_init_done_notifier(Notifier *notify)
2237 {
2238 notifier_list_add(&machine_init_done_notifiers, notify);
2239 }
2240
2241 static void qemu_run_machine_init_done_notifiers(void)
2242 {
2243 notifier_list_notify(&machine_init_done_notifiers, NULL);
2244 }
2245
2246 static const QEMUOption *lookup_opt(int argc, char **argv,
2247 const char **poptarg, int *poptind)
2248 {
2249 const QEMUOption *popt;
2250 int optind = *poptind;
2251 char *r = argv[optind];
2252 const char *optarg;
2253
2254 loc_set_cmdline(argv, optind, 1);
2255 optind++;
2256 /* Treat --foo the same as -foo. */
2257 if (r[1] == '-')
2258 r++;
2259 popt = qemu_options;
2260 for(;;) {
2261 if (!popt->name) {
2262 error_report("invalid option");
2263 exit(1);
2264 }
2265 if (!strcmp(popt->name, r + 1))
2266 break;
2267 popt++;
2268 }
2269 if (popt->flags & HAS_ARG) {
2270 if (optind >= argc) {
2271 error_report("requires an argument");
2272 exit(1);
2273 }
2274 optarg = argv[optind++];
2275 loc_set_cmdline(argv, optind - 2, 2);
2276 } else {
2277 optarg = NULL;
2278 }
2279
2280 *poptarg = optarg;
2281 *poptind = optind;
2282
2283 return popt;
2284 }
2285
2286 static gpointer malloc_and_trace(gsize n_bytes)
2287 {
2288 void *ptr = malloc(n_bytes);
2289 trace_g_malloc(n_bytes, ptr);
2290 return ptr;
2291 }
2292
2293 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2294 {
2295 void *ptr = realloc(mem, n_bytes);
2296 trace_g_realloc(mem, n_bytes, ptr);
2297 return ptr;
2298 }
2299
2300 static void free_and_trace(gpointer mem)
2301 {
2302 trace_g_free(mem);
2303 free(mem);
2304 }
2305
2306 int qemu_init_main_loop(void)
2307 {
2308 return main_loop_init();
2309 }
2310
2311 int main(int argc, char **argv, char **envp)
2312 {
2313 int i;
2314 int snapshot, linux_boot;
2315 const char *icount_option = NULL;
2316 const char *initrd_filename;
2317 const char *kernel_filename, *kernel_cmdline;
2318 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2319 DisplayState *ds;
2320 DisplayChangeListener *dcl;
2321 int cyls, heads, secs, translation;
2322 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2323 QemuOptsList *olist;
2324 int optind;
2325 const char *optarg;
2326 const char *loadvm = NULL;
2327 QEMUMachine *machine;
2328 const char *cpu_model;
2329 const char *vga_model = "none";
2330 const char *pid_file = NULL;
2331 const char *incoming = NULL;
2332 #ifdef CONFIG_VNC
2333 int show_vnc_port = 0;
2334 #endif
2335 bool defconfig = true;
2336 bool userconfig = true;
2337 const char *log_mask = NULL;
2338 const char *log_file = NULL;
2339 GMemVTable mem_trace = {
2340 .malloc = malloc_and_trace,
2341 .realloc = realloc_and_trace,
2342 .free = free_and_trace,
2343 };
2344 const char *trace_events = NULL;
2345 const char *trace_file = NULL;
2346
2347 atexit(qemu_run_exit_notifiers);
2348 error_set_progname(argv[0]);
2349
2350 g_mem_set_vtable(&mem_trace);
2351 if (!g_thread_supported()) {
2352 #if !GLIB_CHECK_VERSION(2, 31, 0)
2353 g_thread_init(NULL);
2354 #else
2355 fprintf(stderr, "glib threading failed to initialize.\n");
2356 exit(1);
2357 #endif
2358 }
2359
2360 module_call_init(MODULE_INIT_QOM);
2361
2362 runstate_init();
2363
2364 init_clocks();
2365 rtc_clock = host_clock;
2366
2367 qemu_cache_utils_init(envp);
2368
2369 QLIST_INIT (&vm_change_state_head);
2370 os_setup_early_signal_handling();
2371
2372 module_call_init(MODULE_INIT_MACHINE);
2373 machine = find_default_machine();
2374 cpu_model = NULL;
2375 ram_size = 0;
2376 snapshot = 0;
2377 cyls = heads = secs = 0;
2378 translation = BIOS_ATA_TRANSLATION_AUTO;
2379
2380 for (i = 0; i < MAX_NODES; i++) {
2381 node_mem[i] = 0;
2382 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2383 }
2384
2385 nb_numa_nodes = 0;
2386 nb_nics = 0;
2387
2388 autostart= 1;
2389
2390 /* first pass of option parsing */
2391 optind = 1;
2392 while (optind < argc) {
2393 if (argv[optind][0] != '-') {
2394 /* disk image */
2395 optind++;
2396 continue;
2397 } else {
2398 const QEMUOption *popt;
2399
2400 popt = lookup_opt(argc, argv, &optarg, &optind);
2401 switch (popt->index) {
2402 case QEMU_OPTION_nodefconfig:
2403 defconfig = false;
2404 break;
2405 case QEMU_OPTION_nouserconfig:
2406 userconfig = false;
2407 break;
2408 }
2409 }
2410 }
2411
2412 if (defconfig) {
2413 int ret;
2414 ret = qemu_read_default_config_files(userconfig);
2415 if (ret < 0) {
2416 exit(1);
2417 }
2418 }
2419
2420 /* second pass of option parsing */
2421 optind = 1;
2422 for(;;) {
2423 if (optind >= argc)
2424 break;
2425 if (argv[optind][0] != '-') {
2426 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2427 } else {
2428 const QEMUOption *popt;
2429
2430 popt = lookup_opt(argc, argv, &optarg, &optind);
2431 if (!(popt->arch_mask & arch_type)) {
2432 printf("Option %s not supported for this target\n", popt->name);
2433 exit(1);
2434 }
2435 switch(popt->index) {
2436 case QEMU_OPTION_M:
2437 machine = machine_parse(optarg);
2438 break;
2439 case QEMU_OPTION_cpu:
2440 /* hw initialization will check this */
2441 cpu_model = optarg;
2442 break;
2443 case QEMU_OPTION_hda:
2444 {
2445 char buf[256];
2446 if (cyls == 0)
2447 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2448 else
2449 snprintf(buf, sizeof(buf),
2450 "%s,cyls=%d,heads=%d,secs=%d%s",
2451 HD_OPTS , cyls, heads, secs,
2452 translation == BIOS_ATA_TRANSLATION_LBA ?
2453 ",trans=lba" :
2454 translation == BIOS_ATA_TRANSLATION_NONE ?
2455 ",trans=none" : "");
2456 drive_add(IF_DEFAULT, 0, optarg, buf);
2457 break;
2458 }
2459 case QEMU_OPTION_hdb:
2460 case QEMU_OPTION_hdc:
2461 case QEMU_OPTION_hdd:
2462 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2463 HD_OPTS);
2464 break;
2465 case QEMU_OPTION_drive:
2466 if (drive_def(optarg) == NULL) {
2467 exit(1);
2468 }
2469 break;
2470 case QEMU_OPTION_set:
2471 if (qemu_set_option(optarg) != 0)
2472 exit(1);
2473 break;
2474 case QEMU_OPTION_global:
2475 if (qemu_global_option(optarg) != 0)
2476 exit(1);
2477 break;
2478 case QEMU_OPTION_mtdblock:
2479 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2480 break;
2481 case QEMU_OPTION_sd:
2482 drive_add(IF_SD, 0, optarg, SD_OPTS);
2483 break;
2484 case QEMU_OPTION_pflash:
2485 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2486 break;
2487 case QEMU_OPTION_snapshot:
2488 snapshot = 1;
2489 break;
2490 case QEMU_OPTION_hdachs:
2491 {
2492 const char *p;
2493 p = optarg;
2494 cyls = strtol(p, (char **)&p, 0);
2495 if (cyls < 1 || cyls > 16383)
2496 goto chs_fail;
2497 if (*p != ',')
2498 goto chs_fail;
2499 p++;
2500 heads = strtol(p, (char **)&p, 0);
2501 if (heads < 1 || heads > 16)
2502 goto chs_fail;
2503 if (*p != ',')
2504 goto chs_fail;
2505 p++;
2506 secs = strtol(p, (char **)&p, 0);
2507 if (secs < 1 || secs > 63)
2508 goto chs_fail;
2509 if (*p == ',') {
2510 p++;
2511 if (!strcmp(p, "none"))
2512 translation = BIOS_ATA_TRANSLATION_NONE;
2513 else if (!strcmp(p, "lba"))
2514 translation = BIOS_ATA_TRANSLATION_LBA;
2515 else if (!strcmp(p, "auto"))
2516 translation = BIOS_ATA_TRANSLATION_AUTO;
2517 else
2518 goto chs_fail;
2519 } else if (*p != '\0') {
2520 chs_fail:
2521 fprintf(stderr, "qemu: invalid physical CHS format\n");
2522 exit(1);
2523 }
2524 if (hda_opts != NULL) {
2525 char num[16];
2526 snprintf(num, sizeof(num), "%d", cyls);
2527 qemu_opt_set(hda_opts, "cyls", num);
2528 snprintf(num, sizeof(num), "%d", heads);
2529 qemu_opt_set(hda_opts, "heads", num);
2530 snprintf(num, sizeof(num), "%d", secs);
2531 qemu_opt_set(hda_opts, "secs", num);
2532 if (translation == BIOS_ATA_TRANSLATION_LBA)
2533 qemu_opt_set(hda_opts, "trans", "lba");
2534 if (translation == BIOS_ATA_TRANSLATION_NONE)
2535 qemu_opt_set(hda_opts, "trans", "none");
2536 }
2537 }
2538 break;
2539 case QEMU_OPTION_numa:
2540 if (nb_numa_nodes >= MAX_NODES) {
2541 fprintf(stderr, "qemu: too many NUMA nodes\n");
2542 exit(1);
2543 }
2544 numa_add(optarg);
2545 break;
2546 case QEMU_OPTION_display:
2547 display_type = select_display(optarg);
2548 break;
2549 case QEMU_OPTION_nographic:
2550 display_type = DT_NOGRAPHIC;
2551 break;
2552 case QEMU_OPTION_curses:
2553 #ifdef CONFIG_CURSES
2554 display_type = DT_CURSES;
2555 #else
2556 fprintf(stderr, "Curses support is disabled\n");
2557 exit(1);
2558 #endif
2559 break;
2560 case QEMU_OPTION_portrait:
2561 graphic_rotate = 90;
2562 break;
2563 case QEMU_OPTION_rotate:
2564 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2565 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2566 graphic_rotate != 180 && graphic_rotate != 270) {
2567 fprintf(stderr,
2568 "qemu: only 90, 180, 270 deg rotation is available\n");
2569 exit(1);
2570 }
2571 break;
2572 case QEMU_OPTION_kernel:
2573 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2574 break;
2575 case QEMU_OPTION_initrd:
2576 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2577 break;
2578 case QEMU_OPTION_append:
2579 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2580 break;
2581 case QEMU_OPTION_dtb:
2582 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2583 break;
2584 case QEMU_OPTION_cdrom:
2585 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2586 break;
2587 case QEMU_OPTION_boot:
2588 {
2589 static const char * const params[] = {
2590 "order", "once", "menu",
2591 "splash", "splash-time", NULL
2592 };
2593 char buf[sizeof(boot_devices)];
2594 char *standard_boot_devices;
2595 int legacy = 0;
2596
2597 if (!strchr(optarg, '=')) {
2598 legacy = 1;
2599 pstrcpy(buf, sizeof(buf), optarg);
2600 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2601 fprintf(stderr,
2602 "qemu: unknown boot parameter '%s' in '%s'\n",
2603 buf, optarg);
2604 exit(1);
2605 }
2606
2607 if (legacy ||
2608 get_param_value(buf, sizeof(buf), "order", optarg)) {
2609 validate_bootdevices(buf);
2610 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2611 }
2612 if (!legacy) {
2613 if (get_param_value(buf, sizeof(buf),
2614 "once", optarg)) {
2615 validate_bootdevices(buf);
2616 standard_boot_devices = g_strdup(boot_devices);
2617 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2618 qemu_register_reset(restore_boot_devices,
2619 standard_boot_devices);
2620 }
2621 if (get_param_value(buf, sizeof(buf),
2622 "menu", optarg)) {
2623 if (!strcmp(buf, "on")) {
2624 boot_menu = 1;
2625 } else if (!strcmp(buf, "off")) {
2626 boot_menu = 0;
2627 } else {
2628 fprintf(stderr,
2629 "qemu: invalid option value '%s'\n",
2630 buf);
2631 exit(1);
2632 }
2633 }
2634 qemu_opts_parse(qemu_find_opts("boot-opts"),
2635 optarg, 0);
2636 }
2637 }
2638 break;
2639 case QEMU_OPTION_fda:
2640 case QEMU_OPTION_fdb:
2641 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2642 optarg, FD_OPTS);
2643 break;
2644 case QEMU_OPTION_no_fd_bootchk:
2645 fd_bootchk = 0;
2646 break;
2647 case QEMU_OPTION_netdev:
2648 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2649 exit(1);
2650 }
2651 break;
2652 case QEMU_OPTION_net:
2653 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2654 exit(1);
2655 }
2656 break;
2657 #ifdef CONFIG_LIBISCSI
2658 case QEMU_OPTION_iscsi:
2659 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2660 if (!opts) {
2661 exit(1);
2662 }
2663 break;
2664 #endif
2665 #ifdef CONFIG_SLIRP
2666 case QEMU_OPTION_tftp:
2667 legacy_tftp_prefix = optarg;
2668 break;
2669 case QEMU_OPTION_bootp:
2670 legacy_bootp_filename = optarg;
2671 break;
2672 case QEMU_OPTION_redir:
2673 if (net_slirp_redir(optarg) < 0)
2674 exit(1);
2675 break;
2676 #endif
2677 case QEMU_OPTION_bt:
2678 add_device_config(DEV_BT, optarg);
2679 break;
2680 case QEMU_OPTION_audio_help:
2681 if (!(audio_available())) {
2682 printf("Option %s not supported for this target\n", popt->name);
2683 exit(1);
2684 }
2685 AUD_help ();
2686 exit (0);
2687 break;
2688 case QEMU_OPTION_soundhw:
2689 if (!(audio_available())) {
2690 printf("Option %s not supported for this target\n", popt->name);
2691 exit(1);
2692 }
2693 select_soundhw (optarg);
2694 break;
2695 case QEMU_OPTION_h:
2696 help(0);
2697 break;
2698 case QEMU_OPTION_version:
2699 version();
2700 exit(0);
2701 break;
2702 case QEMU_OPTION_m: {
2703 int64_t value;
2704 char *end;
2705
2706 value = strtosz(optarg, &end);
2707 if (value < 0 || *end) {
2708 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2709 exit(1);
2710 }
2711
2712 if (value != (uint64_t)(ram_addr_t)value) {
2713 fprintf(stderr, "qemu: ram size too large\n");
2714 exit(1);
2715 }
2716 ram_size = value;
2717 break;
2718 }
2719 case QEMU_OPTION_mempath:
2720 mem_path = optarg;
2721 break;
2722 #ifdef MAP_POPULATE
2723 case QEMU_OPTION_mem_prealloc:
2724 mem_prealloc = 1;
2725 break;
2726 #endif
2727 case QEMU_OPTION_d:
2728 log_mask = optarg;
2729 break;
2730 case QEMU_OPTION_D:
2731 log_file = optarg;
2732 break;
2733 case QEMU_OPTION_s:
2734 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2735 break;
2736 case QEMU_OPTION_gdb:
2737 add_device_config(DEV_GDB, optarg);
2738 break;
2739 case QEMU_OPTION_L:
2740 data_dir = optarg;
2741 break;
2742 case QEMU_OPTION_bios:
2743 bios_name = optarg;
2744 break;
2745 case QEMU_OPTION_singlestep:
2746 singlestep = 1;
2747 break;
2748 case QEMU_OPTION_S:
2749 autostart = 0;
2750 break;
2751 case QEMU_OPTION_k:
2752 keyboard_layout = optarg;
2753 break;
2754 case QEMU_OPTION_localtime:
2755 rtc_utc = 0;
2756 break;
2757 case QEMU_OPTION_vga:
2758 vga_model = optarg;
2759 default_vga = 0;
2760 break;
2761 case QEMU_OPTION_g:
2762 {
2763 const char *p;
2764 int w, h, depth;
2765 p = optarg;
2766 w = strtol(p, (char **)&p, 10);
2767 if (w <= 0) {
2768 graphic_error:
2769 fprintf(stderr, "qemu: invalid resolution or depth\n");
2770 exit(1);
2771 }
2772 if (*p != 'x')
2773 goto graphic_error;
2774 p++;
2775 h = strtol(p, (char **)&p, 10);
2776 if (h <= 0)
2777 goto graphic_error;
2778 if (*p == 'x') {
2779 p++;
2780 depth = strtol(p, (char **)&p, 10);
2781 if (depth != 8 && depth != 15 && depth != 16 &&
2782 depth != 24 && depth != 32)
2783 goto graphic_error;
2784 } else if (*p == '\0') {
2785 depth = graphic_depth;
2786 } else {
2787 goto graphic_error;
2788 }
2789
2790 graphic_width = w;
2791 graphic_height = h;
2792 graphic_depth = depth;
2793 }
2794 break;
2795 case QEMU_OPTION_echr:
2796 {
2797 char *r;
2798 term_escape_char = strtol(optarg, &r, 0);
2799 if (r == optarg)
2800 printf("Bad argument to echr\n");
2801 break;
2802 }
2803 case QEMU_OPTION_monitor:
2804 monitor_parse(optarg, "readline");
2805 default_monitor = 0;
2806 break;
2807 case QEMU_OPTION_qmp:
2808 monitor_parse(optarg, "control");
2809 default_monitor = 0;
2810 break;
2811 case QEMU_OPTION_mon:
2812 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2813 if (!opts) {
2814 exit(1);
2815 }
2816 default_monitor = 0;
2817 break;
2818 case QEMU_OPTION_chardev:
2819 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2820 if (!opts) {
2821 exit(1);
2822 }
2823 break;
2824 case QEMU_OPTION_fsdev:
2825 olist = qemu_find_opts("fsdev");
2826 if (!olist) {
2827 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2828 exit(1);
2829 }
2830 opts = qemu_opts_parse(olist, optarg, 1);
2831 if (!opts) {
2832 fprintf(stderr, "parse error: %s\n", optarg);
2833 exit(1);
2834 }
2835 break;
2836 case QEMU_OPTION_virtfs: {
2837 QemuOpts *fsdev;
2838 QemuOpts *device;
2839 const char *writeout, *sock_fd, *socket;
2840
2841 olist = qemu_find_opts("virtfs");
2842 if (!olist) {
2843 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2844 exit(1);
2845 }
2846 opts = qemu_opts_parse(olist, optarg, 1);
2847 if (!opts) {
2848 fprintf(stderr, "parse error: %s\n", optarg);
2849 exit(1);
2850 }
2851
2852 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2853 qemu_opt_get(opts, "mount_tag") == NULL) {
2854 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2855 exit(1);
2856 }
2857 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2858 qemu_opt_get(opts, "mount_tag"),
2859 1, NULL);
2860 if (!fsdev) {
2861 fprintf(stderr, "duplicate fsdev id: %s\n",
2862 qemu_opt_get(opts, "mount_tag"));
2863 exit(1);
2864 }
2865
2866 writeout = qemu_opt_get(opts, "writeout");
2867 if (writeout) {
2868 #ifdef CONFIG_SYNC_FILE_RANGE
2869 qemu_opt_set(fsdev, "writeout", writeout);
2870 #else
2871 fprintf(stderr, "writeout=immediate not supported on "
2872 "this platform\n");
2873 exit(1);
2874 #endif
2875 }
2876 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2877 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2878 qemu_opt_set(fsdev, "security_model",
2879 qemu_opt_get(opts, "security_model"));
2880 socket = qemu_opt_get(opts, "socket");
2881 if (socket) {
2882 qemu_opt_set(fsdev, "socket", socket);
2883 }
2884 sock_fd = qemu_opt_get(opts, "sock_fd");
2885 if (sock_fd) {
2886 qemu_opt_set(fsdev, "sock_fd", sock_fd);
2887 }
2888
2889 qemu_opt_set_bool(fsdev, "readonly",
2890 qemu_opt_get_bool(opts, "readonly", 0));
2891 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2892 NULL);
2893 qemu_opt_set(device, "driver", "virtio-9p-pci");
2894 qemu_opt_set(device, "fsdev",
2895 qemu_opt_get(opts, "mount_tag"));
2896 qemu_opt_set(device, "mount_tag",
2897 qemu_opt_get(opts, "mount_tag"));
2898 break;
2899 }
2900 case QEMU_OPTION_virtfs_synth: {
2901 QemuOpts *fsdev;
2902 QemuOpts *device;
2903
2904 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2905 1, NULL);
2906 if (!fsdev) {
2907 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2908 exit(1);
2909 }
2910 qemu_opt_set(fsdev, "fsdriver", "synth");
2911
2912 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2913 NULL);
2914 qemu_opt_set(device, "driver", "virtio-9p-pci");
2915 qemu_opt_set(device, "fsdev", "v_synth");
2916 qemu_opt_set(device, "mount_tag", "v_synth");
2917 break;
2918 }
2919 case QEMU_OPTION_serial:
2920 add_device_config(DEV_SERIAL, optarg);
2921 default_serial = 0;
2922 if (strncmp(optarg, "mon:", 4) == 0) {
2923 default_monitor = 0;
2924 }
2925 break;
2926 case QEMU_OPTION_watchdog:
2927 if (watchdog) {
2928 fprintf(stderr,
2929 "qemu: only one watchdog option may be given\n");
2930 return 1;
2931 }
2932 watchdog = optarg;
2933 break;
2934 case QEMU_OPTION_watchdog_action:
2935 if (select_watchdog_action(optarg) == -1) {
2936 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2937 exit(1);
2938 }
2939 break;
2940 case QEMU_OPTION_virtiocon:
2941 add_device_config(DEV_VIRTCON, optarg);
2942 default_virtcon = 0;
2943 if (strncmp(optarg, "mon:", 4) == 0) {
2944 default_monitor = 0;
2945 }
2946 break;
2947 case QEMU_OPTION_parallel:
2948 add_device_config(DEV_PARALLEL, optarg);
2949 default_parallel = 0;
2950 if (strncmp(optarg, "mon:", 4) == 0) {
2951 default_monitor = 0;
2952 }
2953 break;
2954 case QEMU_OPTION_debugcon:
2955 add_device_config(DEV_DEBUGCON, optarg);
2956 break;
2957 case QEMU_OPTION_loadvm:
2958 loadvm = optarg;
2959 break;
2960 case QEMU_OPTION_full_screen:
2961 full_screen = 1;
2962 break;
2963 #ifdef CONFIG_SDL
2964 case QEMU_OPTION_no_frame:
2965 no_frame = 1;
2966 break;
2967 case QEMU_OPTION_alt_grab:
2968 alt_grab = 1;
2969 break;
2970 case QEMU_OPTION_ctrl_grab:
2971 ctrl_grab = 1;
2972 break;
2973 case QEMU_OPTION_no_quit:
2974 no_quit = 1;
2975 break;
2976 case QEMU_OPTION_sdl:
2977 display_type = DT_SDL;
2978 break;
2979 #else
2980 case QEMU_OPTION_no_frame:
2981 case QEMU_OPTION_alt_grab:
2982 case QEMU_OPTION_ctrl_grab:
2983 case QEMU_OPTION_no_quit:
2984 case QEMU_OPTION_sdl:
2985 fprintf(stderr, "SDL support is disabled\n");
2986 exit(1);
2987 #endif
2988 case QEMU_OPTION_pidfile:
2989 pid_file = optarg;
2990 break;
2991 case QEMU_OPTION_win2k_hack:
2992 win2k_install_hack = 1;
2993 break;
2994 case QEMU_OPTION_rtc_td_hack: {
2995 static GlobalProperty slew_lost_ticks[] = {
2996 {
2997 .driver = "mc146818rtc",
2998 .property = "lost_tick_policy",
2999 .value = "slew",
3000 },
3001 { /* end of list */ }
3002 };
3003
3004 qdev_prop_register_global_list(slew_lost_ticks);
3005 break;
3006 }
3007 case QEMU_OPTION_acpitable:
3008 do_acpitable_option(optarg);
3009 break;
3010 case QEMU_OPTION_smbios:
3011 do_smbios_option(optarg);
3012 break;
3013 case QEMU_OPTION_enable_kvm:
3014 olist = qemu_find_opts("machine");
3015 qemu_opts_parse(olist, "accel=kvm", 0);
3016 break;
3017 case QEMU_OPTION_machine:
3018 olist = qemu_find_opts("machine");
3019 opts = qemu_opts_parse(olist, optarg, 1);
3020 if (!opts) {
3021 fprintf(stderr, "parse error: %s\n", optarg);
3022 exit(1);
3023 }
3024 optarg = qemu_opt_get(opts, "type");
3025 if (optarg) {
3026 machine = machine_parse(optarg);
3027 }
3028 break;
3029 case QEMU_OPTION_usb:
3030 usb_enabled = 1;
3031 break;
3032 case QEMU_OPTION_usbdevice:
3033 usb_enabled = 1;
3034 add_device_config(DEV_USB, optarg);
3035 break;
3036 case QEMU_OPTION_device:
3037 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3038 exit(1);
3039 }
3040 break;
3041 case QEMU_OPTION_smp:
3042 smp_parse(optarg);
3043 if (smp_cpus < 1) {
3044 fprintf(stderr, "Invalid number of CPUs\n");
3045 exit(1);
3046 }
3047 if (max_cpus < smp_cpus) {
3048 fprintf(stderr, "maxcpus must be equal to or greater than "
3049 "smp\n");
3050 exit(1);
3051 }
3052 if (max_cpus > 255) {
3053 fprintf(stderr, "Unsupported number of maxcpus\n");
3054 exit(1);
3055 }
3056 break;
3057 case QEMU_OPTION_vnc:
3058 #ifdef CONFIG_VNC
3059 display_remote++;
3060 vnc_display = optarg;
3061 #else
3062 fprintf(stderr, "VNC support is disabled\n");
3063 exit(1);
3064 #endif
3065 break;
3066 case QEMU_OPTION_no_acpi:
3067 acpi_enabled = 0;
3068 break;
3069 case QEMU_OPTION_no_hpet:
3070 no_hpet = 1;
3071 break;
3072 case QEMU_OPTION_balloon:
3073 if (balloon_parse(optarg) < 0) {
3074 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3075 exit(1);
3076 }
3077 break;
3078 case QEMU_OPTION_no_reboot:
3079 no_reboot = 1;
3080 break;
3081 case QEMU_OPTION_no_shutdown:
3082 no_shutdown = 1;
3083 break;
3084 case QEMU_OPTION_show_cursor:
3085 cursor_hide = 0;
3086 break;
3087 case QEMU_OPTION_uuid:
3088 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3089 fprintf(stderr, "Fail to parse UUID string."
3090 " Wrong format.\n");
3091 exit(1);
3092 }
3093 break;
3094 case QEMU_OPTION_option_rom:
3095 if (nb_option_roms >= MAX_OPTION_ROMS) {
3096 fprintf(stderr, "Too many option ROMs\n");
3097 exit(1);
3098 }
3099 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3100 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3101 option_rom[nb_option_roms].bootindex =
3102 qemu_opt_get_number(opts, "bootindex", -1);
3103 if (!option_rom[nb_option_roms].name) {
3104 fprintf(stderr, "Option ROM file is not specified\n");
3105 exit(1);
3106 }
3107 nb_option_roms++;
3108 break;
3109 case QEMU_OPTION_semihosting:
3110 semihosting_enabled = 1;
3111 break;
3112 case QEMU_OPTION_name:
3113 qemu_name = g_strdup(optarg);
3114 {
3115 char *p = strchr(qemu_name, ',');
3116 if (p != NULL) {
3117 *p++ = 0;
3118 if (strncmp(p, "process=", 8)) {
3119 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3120 exit(1);
3121 }
3122 p += 8;
3123 os_set_proc_name(p);
3124 }
3125 }
3126 break;
3127 case QEMU_OPTION_prom_env:
3128 if (nb_prom_envs >= MAX_PROM_ENVS) {
3129 fprintf(stderr, "Too many prom variables\n");
3130 exit(1);
3131 }
3132 prom_envs[nb_prom_envs] = optarg;
3133 nb_prom_envs++;
3134 break;
3135 case QEMU_OPTION_old_param:
3136 old_param = 1;
3137 break;
3138 case QEMU_OPTION_clock:
3139 configure_alarms(optarg);
3140 break;
3141 case QEMU_OPTION_startdate:
3142 configure_rtc_date_offset(optarg, 1);
3143 break;
3144 case QEMU_OPTION_rtc:
3145 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3146 if (!opts) {
3147 exit(1);
3148 }
3149 configure_rtc(opts);
3150 break;
3151 case QEMU_OPTION_tb_size:
3152 tcg_tb_size = strtol(optarg, NULL, 0);
3153 if (tcg_tb_size < 0) {
3154 tcg_tb_size = 0;
3155 }
3156 break;
3157 case QEMU_OPTION_icount:
3158 icount_option = optarg;
3159 break;
3160 case QEMU_OPTION_incoming:
3161 incoming = optarg;
3162 runstate_set(RUN_STATE_INMIGRATE);
3163 break;
3164 case QEMU_OPTION_nodefaults:
3165 default_serial = 0;
3166 default_parallel = 0;
3167 default_virtcon = 0;
3168 default_monitor = 0;
3169 default_net = 0;
3170 default_floppy = 0;
3171 default_cdrom = 0;
3172 default_sdcard = 0;
3173 default_vga = 0;
3174 break;
3175 case QEMU_OPTION_xen_domid:
3176 if (!(xen_available())) {
3177 printf("Option %s not supported for this target\n", popt->name);
3178 exit(1);
3179 }
3180 xen_domid = atoi(optarg);
3181 break;
3182 case QEMU_OPTION_xen_create:
3183 if (!(xen_available())) {
3184 printf("Option %s not supported for this target\n", popt->name);
3185 exit(1);
3186 }
3187 xen_mode = XEN_CREATE;
3188 break;
3189 case QEMU_OPTION_xen_attach:
3190 if (!(xen_available())) {
3191 printf("Option %s not supported for this target\n", popt->name);
3192 exit(1);
3193 }
3194 xen_mode = XEN_ATTACH;
3195 break;
3196 case QEMU_OPTION_trace:
3197 {
3198 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3199 if (!opts) {
3200 exit(1);
3201 }
3202 trace_events = qemu_opt_get(opts, "events");
3203 trace_file = qemu_opt_get(opts, "file");
3204 break;
3205 }
3206 case QEMU_OPTION_readconfig:
3207 {
3208 int ret = qemu_read_config_file(optarg);
3209 if (ret < 0) {
3210 fprintf(stderr, "read config %s: %s\n", optarg,
3211 strerror(-ret));
3212 exit(1);
3213 }
3214 break;
3215 }
3216 case QEMU_OPTION_spice:
3217 olist = qemu_find_opts("spice");
3218 if (!olist) {
3219 fprintf(stderr, "spice is not supported by this qemu build.\n");
3220 exit(1);
3221 }
3222 opts = qemu_opts_parse(olist, optarg, 0);
3223 if (!opts) {
3224 fprintf(stderr, "parse error: %s\n", optarg);
3225 exit(1);
3226 }
3227 break;
3228 case QEMU_OPTION_writeconfig:
3229 {
3230 FILE *fp;
3231 if (strcmp(optarg, "-") == 0) {
3232 fp = stdout;
3233 } else {
3234 fp = fopen(optarg, "w");
3235 if (fp == NULL) {
3236 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3237 exit(1);
3238 }
3239 }
3240 qemu_config_write(fp);
3241 fclose(fp);
3242 break;
3243 }
3244 case QEMU_OPTION_qtest:
3245 qtest_chrdev = optarg;
3246 break;
3247 case QEMU_OPTION_qtest_log:
3248 qtest_log = optarg;
3249 break;
3250 default:
3251 os_parse_cmd_args(popt->index, optarg);
3252 }
3253 }
3254 }
3255 loc_set_none();
3256
3257 if (machine == NULL) {
3258 fprintf(stderr, "No machine found.\n");
3259 exit(1);
3260 }
3261
3262 if (machine->hw_version) {
3263 qemu_set_version(machine->hw_version);
3264 }
3265
3266 /* Init CPU def lists, based on config
3267 * - Must be called after all the qemu_read_config_file() calls
3268 * - Must be called before list_cpus()
3269 * - Must be called before machine->init()
3270 */
3271 cpudef_init();
3272
3273 if (cpu_model && is_help_option(cpu_model)) {
3274 list_cpus(stdout, &fprintf, cpu_model);
3275 exit(0);
3276 }
3277
3278 /* Open the logfile at this point, if necessary. We can't open the logfile
3279 * when encountering either of the logging options (-d or -D) because the
3280 * other one may be encountered later on the command line, changing the
3281 * location or level of logging.
3282 */
3283 if (log_mask) {
3284 if (log_file) {
3285 set_cpu_log_filename(log_file);
3286 }
3287 set_cpu_log(log_mask);
3288 }
3289
3290 if (!trace_backend_init(trace_events, trace_file)) {
3291 exit(1);
3292 }
3293
3294 /* If no data_dir is specified then try to find it relative to the
3295 executable path. */
3296 if (!data_dir) {
3297 data_dir = os_find_datadir(argv[0]);
3298 }
3299 /* If all else fails use the install path specified when building. */
3300 if (!data_dir) {
3301 data_dir = CONFIG_QEMU_DATADIR;
3302 }
3303
3304 /*
3305 * Default to max_cpus = smp_cpus, in case the user doesn't
3306 * specify a max_cpus value.
3307 */
3308 if (!max_cpus)
3309 max_cpus = smp_cpus;
3310
3311 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3312 if (smp_cpus > machine->max_cpus) {
3313 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3314 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3315 machine->max_cpus);
3316 exit(1);
3317 }
3318
3319 /*
3320 * Get the default machine options from the machine if it is not already
3321 * specified either by the configuration file or by the command line.
3322 */
3323 if (machine->default_machine_opts) {
3324 qemu_opts_set_defaults(qemu_find_opts("machine"),
3325 machine->default_machine_opts, 0);
3326 }
3327
3328 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3329 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3330
3331 if (machine->no_serial) {
3332 default_serial = 0;
3333 }
3334 if (machine->no_parallel) {
3335 default_parallel = 0;
3336 }
3337 if (!machine->use_virtcon) {
3338 default_virtcon = 0;
3339 }
3340 if (machine->no_floppy) {
3341 default_floppy = 0;
3342 }
3343 if (machine->no_cdrom) {
3344 default_cdrom = 0;
3345 }
3346 if (machine->no_sdcard) {
3347 default_sdcard = 0;
3348 }
3349
3350 if (display_type == DT_NOGRAPHIC) {
3351 if (default_parallel)
3352 add_device_config(DEV_PARALLEL, "null");
3353 if (default_serial && default_monitor) {
3354 add_device_config(DEV_SERIAL, "mon:stdio");
3355 } else if (default_virtcon && default_monitor) {
3356 add_device_config(DEV_VIRTCON, "mon:stdio");
3357 } else {
3358 if (default_serial)
3359 add_device_config(DEV_SERIAL, "stdio");
3360 if (default_virtcon)
3361 add_device_config(DEV_VIRTCON, "stdio");
3362 if (default_monitor)
3363 monitor_parse("stdio", "readline");
3364 }
3365 } else {
3366 if (default_serial)
3367 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3368 if (default_parallel)
3369 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3370 if (default_monitor)
3371 monitor_parse("vc:80Cx24C", "readline");
3372 if (default_virtcon)
3373 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3374 }
3375
3376 socket_init();
3377
3378 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3379 exit(1);
3380 #ifdef CONFIG_VIRTFS
3381 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3382 exit(1);
3383 }
3384 #endif
3385
3386 os_daemonize();
3387
3388 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3389 os_pidfile_error();
3390 exit(1);
3391 }
3392
3393 /* init the memory */
3394 if (ram_size == 0) {
3395 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3396 }
3397
3398 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3399 != 0) {
3400 exit(0);
3401 }
3402
3403 configure_accelerator();
3404
3405 qemu_init_cpu_loop();
3406 if (qemu_init_main_loop()) {
3407 fprintf(stderr, "qemu_init_main_loop failed\n");
3408 exit(1);
3409 }
3410
3411 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3412 if (machine_opts) {
3413 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3414 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3415 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3416 } else {
3417 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3418 }
3419
3420 if (!kernel_cmdline) {
3421 kernel_cmdline = "";
3422 }
3423
3424 linux_boot = (kernel_filename != NULL);
3425
3426 if (!linux_boot && *kernel_cmdline != '\0') {
3427 fprintf(stderr, "-append only allowed with -kernel option\n");
3428 exit(1);
3429 }
3430
3431 if (!linux_boot && initrd_filename != NULL) {
3432 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3433 exit(1);
3434 }
3435
3436 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3437 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3438 exit(1);
3439 }
3440
3441 os_set_line_buffering();
3442
3443 if (init_timer_alarm() < 0) {
3444 fprintf(stderr, "could not initialize alarm timer\n");
3445 exit(1);
3446 }
3447
3448 #ifdef CONFIG_SPICE
3449 /* spice needs the timers to be initialized by this point */
3450 qemu_spice_init();
3451 #endif
3452
3453 if (icount_option && (kvm_enabled() || xen_enabled())) {
3454 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3455 exit(1);
3456 }
3457 configure_icount(icount_option);
3458
3459 if (net_init_clients() < 0) {
3460 exit(1);
3461 }
3462
3463 /* init the bluetooth world */
3464 if (foreach_device_config(DEV_BT, bt_parse))
3465 exit(1);
3466
3467 if (!xen_enabled()) {
3468 /* On 32-bit hosts, QEMU is limited by virtual address space */
3469 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3470 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3471 exit(1);
3472 }
3473 }
3474
3475 cpu_exec_init_all();
3476
3477 bdrv_init_with_whitelist();
3478
3479 blk_mig_init();
3480
3481 /* open the virtual block devices */
3482 if (snapshot)
3483 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3484 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3485 exit(1);
3486
3487 default_drive(default_cdrom, snapshot, machine->use_scsi,
3488 IF_DEFAULT, 2, CDROM_OPTS);
3489 default_drive(default_floppy, snapshot, machine->use_scsi,
3490 IF_FLOPPY, 0, FD_OPTS);
3491 default_drive(default_sdcard, snapshot, machine->use_scsi,
3492 IF_SD, 0, SD_OPTS);
3493
3494 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3495
3496 if (nb_numa_nodes > 0) {
3497 int i;
3498
3499 if (nb_numa_nodes > MAX_NODES) {
3500 nb_numa_nodes = MAX_NODES;
3501 }
3502
3503 /* If no memory size if given for any node, assume the default case
3504 * and distribute the available memory equally across all nodes
3505 */
3506 for (i = 0; i < nb_numa_nodes; i++) {
3507 if (node_mem[i] != 0)
3508 break;
3509 }
3510 if (i == nb_numa_nodes) {
3511 uint64_t usedmem = 0;
3512
3513 /* On Linux, the each node's border has to be 8MB aligned,
3514 * the final node gets the rest.
3515 */
3516 for (i = 0; i < nb_numa_nodes - 1; i++) {
3517 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3518 usedmem += node_mem[i];
3519 }
3520 node_mem[i] = ram_size - usedmem;
3521 }
3522
3523 for (i = 0; i < nb_numa_nodes; i++) {
3524 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3525 break;
3526 }
3527 }
3528 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3529 * must cope with this anyway, because there are BIOSes out there in
3530 * real machines which also use this scheme.
3531 */
3532 if (i == nb_numa_nodes) {
3533 for (i = 0; i < max_cpus; i++) {
3534 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3535 }
3536 }
3537 }
3538
3539 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3540 exit(1);
3541 }
3542
3543 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3544 exit(1);
3545 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3546 exit(1);
3547 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3548 exit(1);
3549 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3550 exit(1);
3551
3552 /* If no default VGA is requested, the default is "none". */
3553 if (default_vga && cirrus_vga_available()) {
3554 vga_model = "cirrus";
3555 }
3556 select_vgahw(vga_model);
3557
3558 if (watchdog) {
3559 i = select_watchdog(watchdog);
3560 if (i > 0)
3561 exit (i == 1 ? 1 : 0);
3562 }
3563
3564 if (machine->compat_props) {
3565 qdev_prop_register_global_list(machine->compat_props);
3566 }
3567 qemu_add_globals();
3568
3569 qdev_machine_init();
3570
3571 machine->init(ram_size, boot_devices,
3572 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3573
3574 cpu_synchronize_all_post_init();
3575
3576 set_numa_modes();
3577
3578 current_machine = machine;
3579
3580 /* init USB devices */
3581 if (usb_enabled) {
3582 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3583 exit(1);
3584 }
3585
3586 /* init generic devices */
3587 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3588 exit(1);
3589
3590 net_check_clients();
3591
3592 /* just use the first displaystate for the moment */
3593 ds = get_displaystate();
3594
3595 if (using_spice)
3596 display_remote++;
3597 if (display_type == DT_DEFAULT && !display_remote) {
3598 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3599 display_type = DT_SDL;
3600 #elif defined(CONFIG_VNC)
3601 vnc_display = "localhost:0,to=99";
3602 show_vnc_port = 1;
3603 #else
3604 display_type = DT_NONE;
3605 #endif
3606 }
3607
3608
3609 /* init local displays */
3610 switch (display_type) {
3611 case DT_NOGRAPHIC:
3612 break;
3613 #if defined(CONFIG_CURSES)
3614 case DT_CURSES:
3615 curses_display_init(ds, full_screen);
3616 break;
3617 #endif
3618 #if defined(CONFIG_SDL)
3619 case DT_SDL:
3620 sdl_display_init(ds, full_screen, no_frame);
3621 break;
3622 #elif defined(CONFIG_COCOA)
3623 case DT_SDL:
3624 cocoa_display_init(ds, full_screen);
3625 break;
3626 #endif
3627 default:
3628 break;
3629 }
3630
3631 /* must be after terminal init, SDL library changes signal handlers */
3632 os_setup_signal_handling();
3633
3634 #ifdef CONFIG_VNC
3635 /* init remote displays */
3636 if (vnc_display) {
3637 vnc_display_init(ds);
3638 if (vnc_display_open(ds, vnc_display) < 0) {
3639 fprintf(stderr, "Failed to start VNC server on `%s'\n",
3640 vnc_display);
3641 exit(1);
3642 }
3643
3644 if (show_vnc_port) {
3645 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3646 }
3647 }
3648 #endif
3649 #ifdef CONFIG_SPICE
3650 if (using_spice && !qxl_enabled) {
3651 qemu_spice_display_init(ds);
3652 }
3653 #endif
3654
3655 /* display setup */
3656 dpy_resize(ds);
3657 dcl = ds->listeners;
3658 while (dcl != NULL) {
3659 if (dcl->dpy_refresh != NULL) {
3660 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3661 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3662 break;
3663 }
3664 dcl = dcl->next;
3665 }
3666 text_consoles_set_display(ds);
3667
3668 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3669 exit(1);
3670 }
3671
3672 qdev_machine_creation_done();
3673
3674 if (rom_load_all() != 0) {
3675 fprintf(stderr, "rom loading failed\n");
3676 exit(1);
3677 }
3678
3679 /* TODO: once all bus devices are qdevified, this should be done
3680 * when bus is created by qdev.c */
3681 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3682 qemu_run_machine_init_done_notifiers();
3683
3684 qemu_system_reset(VMRESET_SILENT);
3685 if (loadvm) {
3686 if (load_vmstate(loadvm) < 0) {
3687 autostart = 0;
3688 }
3689 }
3690
3691 if (incoming) {
3692 Error *errp = NULL;
3693 int ret = qemu_start_incoming_migration(incoming, &errp);
3694 if (ret < 0) {
3695 if (error_is_set(&errp)) {
3696 fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3697 error_free(errp);
3698 }
3699 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3700 incoming, ret);
3701 exit(ret);
3702 }
3703 } else if (autostart) {
3704 vm_start();
3705 }
3706
3707 os_setup_post();
3708
3709 resume_all_vcpus();
3710 main_loop();
3711 bdrv_close_all();
3712 pause_all_vcpus();
3713 net_cleanup();
3714 res_free();
3715
3716 return 0;
3717 }
QEMU modified to work with kvm