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Merge remote-tracking branch 'qemu-kvm/memory/urgent' into staging
[qemu/agraf.git] / vl.c
blobee3c43ae2f131db8dddef5e325cc7dfe4473ad60
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31 #include "bitmap.h"
32
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
35
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66
67 #ifdef CONFIG_SECCOMP
68 #include "qemu-seccomp.h"
69 #endif
70
71 #ifdef __sun__
72 #include <sys/stat.h>
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
81 #include <net/if.h>
82 #include <syslog.h>
83 #include <stropts.h>
84 #endif
85 #endif
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include <glib.h>
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/pc.h"
121 #include "hw/isa.h"
122 #include "hw/baum.h"
123 #include "hw/bt.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
126 #include "hw/xen.h"
127 #include "hw/qdev.h"
128 #include "hw/loader.h"
129 #include "bt-host.h"
130 #include "net.h"
131 #include "net/slirp.h"
132 #include "monitor.h"
133 #include "console.h"
134 #include "sysemu.h"
135 #include "gdbstub.h"
136 #include "qemu-timer.h"
137 #include "qemu-char.h"
138 #include "cache-utils.h"
139 #include "blockdev.h"
140 #include "hw/block-common.h"
141 #include "block-migration.h"
142 #include "dma.h"
143 #include "audio/audio.h"
144 #include "migration.h"
145 #include "kvm.h"
146 #include "qjson.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "main-loop.h"
152 #ifdef CONFIG_VIRTFS
153 #include "fsdev/qemu-fsdev.h"
154 #endif
155 #include "qtest.h"
156
157 #include "disas.h"
158
159 #include "qemu_socket.h"
160
161 #include "slirp/libslirp.h"
162
163 #include "trace.h"
164 #include "trace/control.h"
165 #include "qemu-queue.h"
166 #include "cpus.h"
167 #include "arch_init.h"
168 #include "osdep.h"
169
170 #include "ui/qemu-spice.h"
171
172 //#define DEBUG_NET
173 //#define DEBUG_SLIRP
174
175 #define DEFAULT_RAM_SIZE 128
176
177 #define MAX_VIRTIO_CONSOLES 1
178
179 static const char *data_dir;
180 const char *bios_name = NULL;
181 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
182 DisplayType display_type = DT_DEFAULT;
183 int display_remote = 0;
184 const char* keyboard_layout = NULL;
185 ram_addr_t ram_size;
186 const char *mem_path = NULL;
187 #ifdef MAP_POPULATE
188 int mem_prealloc = 0; /* force preallocation of physical target memory */
189 #endif
190 int nb_nics;
191 NICInfo nd_table[MAX_NICS];
192 int autostart;
193 static int rtc_utc = 1;
194 static int rtc_date_offset = -1; /* -1 means no change */
195 QEMUClock *rtc_clock;
196 int vga_interface_type = VGA_NONE;
197 static int full_screen = 0;
198 #ifdef CONFIG_SDL
199 static int no_frame = 0;
200 #endif
201 int no_quit = 0;
202 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
203 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
204 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
205 int win2k_install_hack = 0;
206 int usb_enabled = 0;
207 int singlestep = 0;
208 int smp_cpus = 1;
209 int max_cpus = 0;
210 int smp_cores = 1;
211 int smp_threads = 1;
212 #ifdef CONFIG_VNC
213 const char *vnc_display;
214 #endif
215 int acpi_enabled = 1;
216 int no_hpet = 0;
217 int fd_bootchk = 1;
218 int no_reboot = 0;
219 int no_shutdown = 0;
220 int cursor_hide = 1;
221 int graphic_rotate = 0;
222 const char *watchdog;
223 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
224 int nb_option_roms;
225 int semihosting_enabled = 0;
226 int old_param = 0;
227 const char *qemu_name;
228 int alt_grab = 0;
229 int ctrl_grab = 0;
230 unsigned int nb_prom_envs = 0;
231 const char *prom_envs[MAX_PROM_ENVS];
232 int boot_menu;
233 uint8_t *boot_splash_filedata;
234 int boot_splash_filedata_size;
235 uint8_t qemu_extra_params_fw[2];
236
237 typedef struct FWBootEntry FWBootEntry;
238
239 struct FWBootEntry {
240 QTAILQ_ENTRY(FWBootEntry) link;
241 int32_t bootindex;
242 DeviceState *dev;
243 char *suffix;
244 };
245
246 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
247
248 int nb_numa_nodes;
249 uint64_t node_mem[MAX_NODES];
250 unsigned long *node_cpumask[MAX_NODES];
251
252 uint8_t qemu_uuid[16];
253
254 static QEMUBootSetHandler *boot_set_handler;
255 static void *boot_set_opaque;
256
257 static NotifierList exit_notifiers =
258 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
259
260 static NotifierList machine_init_done_notifiers =
261 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
262
263 static int tcg_allowed = 1;
264 int kvm_allowed = 0;
265 int xen_allowed = 0;
266 uint32_t xen_domid;
267 enum xen_mode xen_mode = XEN_EMULATE;
268 static int tcg_tb_size;
269
270 static int default_serial = 1;
271 static int default_parallel = 1;
272 static int default_virtcon = 1;
273 static int default_monitor = 1;
274 static int default_floppy = 1;
275 static int default_cdrom = 1;
276 static int default_sdcard = 1;
277 static int default_vga = 1;
278
279 static struct {
280 const char *driver;
281 int *flag;
282 } default_list[] = {
283 { .driver = "isa-serial", .flag = &default_serial },
284 { .driver = "isa-parallel", .flag = &default_parallel },
285 { .driver = "isa-fdc", .flag = &default_floppy },
286 { .driver = "ide-cd", .flag = &default_cdrom },
287 { .driver = "ide-hd", .flag = &default_cdrom },
288 { .driver = "ide-drive", .flag = &default_cdrom },
289 { .driver = "scsi-cd", .flag = &default_cdrom },
290 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
291 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
292 { .driver = "virtio-serial", .flag = &default_virtcon },
293 { .driver = "VGA", .flag = &default_vga },
294 { .driver = "isa-vga", .flag = &default_vga },
295 { .driver = "cirrus-vga", .flag = &default_vga },
296 { .driver = "isa-cirrus-vga", .flag = &default_vga },
297 { .driver = "vmware-svga", .flag = &default_vga },
298 { .driver = "qxl-vga", .flag = &default_vga },
299 };
300
301 const char *qemu_get_vm_name(void)
302 {
303 return qemu_name;
304 }
305
306 static void res_free(void)
307 {
308 if (boot_splash_filedata != NULL) {
309 g_free(boot_splash_filedata);
310 boot_splash_filedata = NULL;
311 }
312 }
313
314 static int default_driver_check(QemuOpts *opts, void *opaque)
315 {
316 const char *driver = qemu_opt_get(opts, "driver");
317 int i;
318
319 if (!driver)
320 return 0;
321 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
322 if (strcmp(default_list[i].driver, driver) != 0)
323 continue;
324 *(default_list[i].flag) = 0;
325 }
326 return 0;
327 }
328
329 /***********************************************************/
330 /* QEMU state */
331
332 static RunState current_run_state = RUN_STATE_PRELAUNCH;
333
334 typedef struct {
335 RunState from;
336 RunState to;
337 } RunStateTransition;
338
339 static const RunStateTransition runstate_transitions_def[] = {
340 /* from -> to */
341 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
342
343 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
344 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
345
346 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
347 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
348
349 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
350 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
351
352 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
353 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
354
355 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
356 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
357
358 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
359 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
360 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
361
362 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
363 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
364
365 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
366
367 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
368 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
369 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
370 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
371 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
372 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
373 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
374 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
375 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
376
377 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
378
379 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
380 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
381
382 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
383 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
384 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
385 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
386
387 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
388 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
389
390 { RUN_STATE_MAX, RUN_STATE_MAX },
391 };
392
393 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
394
395 bool runstate_check(RunState state)
396 {
397 return current_run_state == state;
398 }
399
400 void runstate_init(void)
401 {
402 const RunStateTransition *p;
403
404 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
405
406 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
407 runstate_valid_transitions[p->from][p->to] = true;
408 }
409 }
410
411 /* This function will abort() on invalid state transitions */
412 void runstate_set(RunState new_state)
413 {
414 assert(new_state < RUN_STATE_MAX);
415
416 if (!runstate_valid_transitions[current_run_state][new_state]) {
417 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
418 RunState_lookup[current_run_state],
419 RunState_lookup[new_state]);
420 abort();
421 }
422
423 current_run_state = new_state;
424 }
425
426 int runstate_is_running(void)
427 {
428 return runstate_check(RUN_STATE_RUNNING);
429 }
430
431 StatusInfo *qmp_query_status(Error **errp)
432 {
433 StatusInfo *info = g_malloc0(sizeof(*info));
434
435 info->running = runstate_is_running();
436 info->singlestep = singlestep;
437 info->status = current_run_state;
438
439 return info;
440 }
441
442 /***********************************************************/
443 /* real time host monotonic timer */
444
445 /***********************************************************/
446 /* host time/date access */
447 void qemu_get_timedate(struct tm *tm, int offset)
448 {
449 time_t ti;
450 struct tm *ret;
451
452 time(&ti);
453 ti += offset;
454 if (rtc_date_offset == -1) {
455 if (rtc_utc)
456 ret = gmtime(&ti);
457 else
458 ret = localtime(&ti);
459 } else {
460 ti -= rtc_date_offset;
461 ret = gmtime(&ti);
462 }
463
464 memcpy(tm, ret, sizeof(struct tm));
465 }
466
467 int qemu_timedate_diff(struct tm *tm)
468 {
469 time_t seconds;
470
471 if (rtc_date_offset == -1)
472 if (rtc_utc)
473 seconds = mktimegm(tm);
474 else {
475 struct tm tmp = *tm;
476 tmp.tm_isdst = -1; /* use timezone to figure it out */
477 seconds = mktime(&tmp);
478 }
479 else
480 seconds = mktimegm(tm) + rtc_date_offset;
481
482 return seconds - time(NULL);
483 }
484
485 void rtc_change_mon_event(struct tm *tm)
486 {
487 QObject *data;
488
489 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
490 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
491 qobject_decref(data);
492 }
493
494 static void configure_rtc_date_offset(const char *startdate, int legacy)
495 {
496 time_t rtc_start_date;
497 struct tm tm;
498
499 if (!strcmp(startdate, "now") && legacy) {
500 rtc_date_offset = -1;
501 } else {
502 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
503 &tm.tm_year,
504 &tm.tm_mon,
505 &tm.tm_mday,
506 &tm.tm_hour,
507 &tm.tm_min,
508 &tm.tm_sec) == 6) {
509 /* OK */
510 } else if (sscanf(startdate, "%d-%d-%d",
511 &tm.tm_year,
512 &tm.tm_mon,
513 &tm.tm_mday) == 3) {
514 tm.tm_hour = 0;
515 tm.tm_min = 0;
516 tm.tm_sec = 0;
517 } else {
518 goto date_fail;
519 }
520 tm.tm_year -= 1900;
521 tm.tm_mon--;
522 rtc_start_date = mktimegm(&tm);
523 if (rtc_start_date == -1) {
524 date_fail:
525 fprintf(stderr, "Invalid date format. Valid formats are:\n"
526 "'2006-06-17T16:01:21' or '2006-06-17'\n");
527 exit(1);
528 }
529 rtc_date_offset = time(NULL) - rtc_start_date;
530 }
531 }
532
533 static void configure_rtc(QemuOpts *opts)
534 {
535 const char *value;
536
537 value = qemu_opt_get(opts, "base");
538 if (value) {
539 if (!strcmp(value, "utc")) {
540 rtc_utc = 1;
541 } else if (!strcmp(value, "localtime")) {
542 rtc_utc = 0;
543 } else {
544 configure_rtc_date_offset(value, 0);
545 }
546 }
547 value = qemu_opt_get(opts, "clock");
548 if (value) {
549 if (!strcmp(value, "host")) {
550 rtc_clock = host_clock;
551 } else if (!strcmp(value, "rt")) {
552 rtc_clock = rt_clock;
553 } else if (!strcmp(value, "vm")) {
554 rtc_clock = vm_clock;
555 } else {
556 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
557 exit(1);
558 }
559 }
560 value = qemu_opt_get(opts, "driftfix");
561 if (value) {
562 if (!strcmp(value, "slew")) {
563 static GlobalProperty slew_lost_ticks[] = {
564 {
565 .driver = "mc146818rtc",
566 .property = "lost_tick_policy",
567 .value = "slew",
568 },
569 { /* end of list */ }
570 };
571
572 qdev_prop_register_global_list(slew_lost_ticks);
573 } else if (!strcmp(value, "none")) {
574 /* discard is default */
575 } else {
576 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
577 exit(1);
578 }
579 }
580 }
581
582 /***********************************************************/
583 /* Bluetooth support */
584 static int nb_hcis;
585 static int cur_hci;
586 static struct HCIInfo *hci_table[MAX_NICS];
587
588 static struct bt_vlan_s {
589 struct bt_scatternet_s net;
590 int id;
591 struct bt_vlan_s *next;
592 } *first_bt_vlan;
593
594 /* find or alloc a new bluetooth "VLAN" */
595 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
596 {
597 struct bt_vlan_s **pvlan, *vlan;
598 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
599 if (vlan->id == id)
600 return &vlan->net;
601 }
602 vlan = g_malloc0(sizeof(struct bt_vlan_s));
603 vlan->id = id;
604 pvlan = &first_bt_vlan;
605 while (*pvlan != NULL)
606 pvlan = &(*pvlan)->next;
607 *pvlan = vlan;
608 return &vlan->net;
609 }
610
611 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
612 {
613 }
614
615 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
616 {
617 return -ENOTSUP;
618 }
619
620 static struct HCIInfo null_hci = {
621 .cmd_send = null_hci_send,
622 .sco_send = null_hci_send,
623 .acl_send = null_hci_send,
624 .bdaddr_set = null_hci_addr_set,
625 };
626
627 struct HCIInfo *qemu_next_hci(void)
628 {
629 if (cur_hci == nb_hcis)
630 return &null_hci;
631
632 return hci_table[cur_hci++];
633 }
634
635 static struct HCIInfo *hci_init(const char *str)
636 {
637 char *endp;
638 struct bt_scatternet_s *vlan = 0;
639
640 if (!strcmp(str, "null"))
641 /* null */
642 return &null_hci;
643 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
644 /* host[:hciN] */
645 return bt_host_hci(str[4] ? str + 5 : "hci0");
646 else if (!strncmp(str, "hci", 3)) {
647 /* hci[,vlan=n] */
648 if (str[3]) {
649 if (!strncmp(str + 3, ",vlan=", 6)) {
650 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
651 if (*endp)
652 vlan = 0;
653 }
654 } else
655 vlan = qemu_find_bt_vlan(0);
656 if (vlan)
657 return bt_new_hci(vlan);
658 }
659
660 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
661
662 return 0;
663 }
664
665 static int bt_hci_parse(const char *str)
666 {
667 struct HCIInfo *hci;
668 bdaddr_t bdaddr;
669
670 if (nb_hcis >= MAX_NICS) {
671 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
672 return -1;
673 }
674
675 hci = hci_init(str);
676 if (!hci)
677 return -1;
678
679 bdaddr.b[0] = 0x52;
680 bdaddr.b[1] = 0x54;
681 bdaddr.b[2] = 0x00;
682 bdaddr.b[3] = 0x12;
683 bdaddr.b[4] = 0x34;
684 bdaddr.b[5] = 0x56 + nb_hcis;
685 hci->bdaddr_set(hci, bdaddr.b);
686
687 hci_table[nb_hcis++] = hci;
688
689 return 0;
690 }
691
692 static void bt_vhci_add(int vlan_id)
693 {
694 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
695
696 if (!vlan->slave)
697 fprintf(stderr, "qemu: warning: adding a VHCI to "
698 "an empty scatternet %i\n", vlan_id);
699
700 bt_vhci_init(bt_new_hci(vlan));
701 }
702
703 static struct bt_device_s *bt_device_add(const char *opt)
704 {
705 struct bt_scatternet_s *vlan;
706 int vlan_id = 0;
707 char *endp = strstr(opt, ",vlan=");
708 int len = (endp ? endp - opt : strlen(opt)) + 1;
709 char devname[10];
710
711 pstrcpy(devname, MIN(sizeof(devname), len), opt);
712
713 if (endp) {
714 vlan_id = strtol(endp + 6, &endp, 0);
715 if (*endp) {
716 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
717 return 0;
718 }
719 }
720
721 vlan = qemu_find_bt_vlan(vlan_id);
722
723 if (!vlan->slave)
724 fprintf(stderr, "qemu: warning: adding a slave device to "
725 "an empty scatternet %i\n", vlan_id);
726
727 if (!strcmp(devname, "keyboard"))
728 return bt_keyboard_init(vlan);
729
730 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
731 return 0;
732 }
733
734 static int bt_parse(const char *opt)
735 {
736 const char *endp, *p;
737 int vlan;
738
739 if (strstart(opt, "hci", &endp)) {
740 if (!*endp || *endp == ',') {
741 if (*endp)
742 if (!strstart(endp, ",vlan=", 0))
743 opt = endp + 1;
744
745 return bt_hci_parse(opt);
746 }
747 } else if (strstart(opt, "vhci", &endp)) {
748 if (!*endp || *endp == ',') {
749 if (*endp) {
750 if (strstart(endp, ",vlan=", &p)) {
751 vlan = strtol(p, (char **) &endp, 0);
752 if (*endp) {
753 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
754 return 1;
755 }
756 } else {
757 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
758 return 1;
759 }
760 } else
761 vlan = 0;
762
763 bt_vhci_add(vlan);
764 return 0;
765 }
766 } else if (strstart(opt, "device:", &endp))
767 return !bt_device_add(endp);
768
769 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
770 return 1;
771 }
772
773 static int parse_sandbox(QemuOpts *opts, void *opaque)
774 {
775 /* FIXME: change this to true for 1.3 */
776 if (qemu_opt_get_bool(opts, "enable", false)) {
777 #ifdef CONFIG_SECCOMP
778 if (seccomp_start() < 0) {
779 qerror_report(ERROR_CLASS_GENERIC_ERROR,
780 "failed to install seccomp syscall filter in the kernel");
781 return -1;
782 }
783 #else
784 qerror_report(ERROR_CLASS_GENERIC_ERROR,
785 "sandboxing request but seccomp is not compiled into this build");
786 return -1;
787 #endif
788 }
789
790 return 0;
791 }
792
793 /***********************************************************/
794 /* QEMU Block devices */
795
796 #define HD_OPTS "media=disk"
797 #define CDROM_OPTS "media=cdrom"
798 #define FD_OPTS ""
799 #define PFLASH_OPTS ""
800 #define MTD_OPTS ""
801 #define SD_OPTS ""
802
803 static int drive_init_func(QemuOpts *opts, void *opaque)
804 {
805 int *use_scsi = opaque;
806
807 return drive_init(opts, *use_scsi) == NULL;
808 }
809
810 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
811 {
812 if (NULL == qemu_opt_get(opts, "snapshot")) {
813 qemu_opt_set(opts, "snapshot", "on");
814 }
815 return 0;
816 }
817
818 static void default_drive(int enable, int snapshot, int use_scsi,
819 BlockInterfaceType type, int index,
820 const char *optstr)
821 {
822 QemuOpts *opts;
823
824 if (type == IF_DEFAULT) {
825 type = use_scsi ? IF_SCSI : IF_IDE;
826 }
827
828 if (!enable || drive_get_by_index(type, index)) {
829 return;
830 }
831
832 opts = drive_add(type, index, NULL, optstr);
833 if (snapshot) {
834 drive_enable_snapshot(opts, NULL);
835 }
836 if (!drive_init(opts, use_scsi)) {
837 exit(1);
838 }
839 }
840
841 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
842 {
843 boot_set_handler = func;
844 boot_set_opaque = opaque;
845 }
846
847 int qemu_boot_set(const char *boot_devices)
848 {
849 if (!boot_set_handler) {
850 return -EINVAL;
851 }
852 return boot_set_handler(boot_set_opaque, boot_devices);
853 }
854
855 static void validate_bootdevices(char *devices)
856 {
857 /* We just do some generic consistency checks */
858 const char *p;
859 int bitmap = 0;
860
861 for (p = devices; *p != '\0'; p++) {
862 /* Allowed boot devices are:
863 * a-b: floppy disk drives
864 * c-f: IDE disk drives
865 * g-m: machine implementation dependent drives
866 * n-p: network devices
867 * It's up to each machine implementation to check if the given boot
868 * devices match the actual hardware implementation and firmware
869 * features.
870 */
871 if (*p < 'a' || *p > 'p') {
872 fprintf(stderr, "Invalid boot device '%c'\n", *p);
873 exit(1);
874 }
875 if (bitmap & (1 << (*p - 'a'))) {
876 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
877 exit(1);
878 }
879 bitmap |= 1 << (*p - 'a');
880 }
881 }
882
883 static void restore_boot_devices(void *opaque)
884 {
885 char *standard_boot_devices = opaque;
886 static int first = 1;
887
888 /* Restore boot order and remove ourselves after the first boot */
889 if (first) {
890 first = 0;
891 return;
892 }
893
894 qemu_boot_set(standard_boot_devices);
895
896 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
897 g_free(standard_boot_devices);
898 }
899
900 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
901 const char *suffix)
902 {
903 FWBootEntry *node, *i;
904
905 if (bootindex < 0) {
906 return;
907 }
908
909 assert(dev != NULL || suffix != NULL);
910
911 node = g_malloc0(sizeof(FWBootEntry));
912 node->bootindex = bootindex;
913 node->suffix = suffix ? g_strdup(suffix) : NULL;
914 node->dev = dev;
915
916 QTAILQ_FOREACH(i, &fw_boot_order, link) {
917 if (i->bootindex == bootindex) {
918 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
919 exit(1);
920 } else if (i->bootindex < bootindex) {
921 continue;
922 }
923 QTAILQ_INSERT_BEFORE(i, node, link);
924 return;
925 }
926 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
927 }
928
929 /*
930 * This function returns null terminated string that consist of new line
931 * separated device paths.
932 *
933 * memory pointed by "size" is assigned total length of the array in bytes
934 *
935 */
936 char *get_boot_devices_list(uint32_t *size)
937 {
938 FWBootEntry *i;
939 uint32_t total = 0;
940 char *list = NULL;
941
942 QTAILQ_FOREACH(i, &fw_boot_order, link) {
943 char *devpath = NULL, *bootpath;
944 int len;
945
946 if (i->dev) {
947 devpath = qdev_get_fw_dev_path(i->dev);
948 assert(devpath);
949 }
950
951 if (i->suffix && devpath) {
952 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
953
954 bootpath = g_malloc(bootpathlen);
955 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
956 g_free(devpath);
957 } else if (devpath) {
958 bootpath = devpath;
959 } else {
960 assert(i->suffix);
961 bootpath = g_strdup(i->suffix);
962 }
963
964 if (total) {
965 list[total-1] = '\n';
966 }
967 len = strlen(bootpath) + 1;
968 list = g_realloc(list, total + len);
969 memcpy(&list[total], bootpath, len);
970 total += len;
971 g_free(bootpath);
972 }
973
974 *size = total;
975
976 return list;
977 }
978
979 static void numa_add(const char *optarg)
980 {
981 char option[128];
982 char *endptr;
983 unsigned long long value, endvalue;
984 int nodenr;
985
986 value = endvalue = 0ULL;
987
988 optarg = get_opt_name(option, 128, optarg, ',') + 1;
989 if (!strcmp(option, "node")) {
990 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
991 nodenr = nb_numa_nodes;
992 } else {
993 nodenr = strtoull(option, NULL, 10);
994 }
995
996 if (get_param_value(option, 128, "mem", optarg) == 0) {
997 node_mem[nodenr] = 0;
998 } else {
999 int64_t sval;
1000 sval = strtosz(option, &endptr);
1001 if (sval < 0 || *endptr) {
1002 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1003 exit(1);
1004 }
1005 node_mem[nodenr] = sval;
1006 }
1007 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1008 value = strtoull(option, &endptr, 10);
1009 if (*endptr == '-') {
1010 endvalue = strtoull(endptr+1, &endptr, 10);
1011 } else {
1012 endvalue = value;
1013 }
1014
1015 if (!(endvalue < MAX_CPUMASK_BITS)) {
1016 endvalue = MAX_CPUMASK_BITS - 1;
1017 fprintf(stderr,
1018 "A max of %d CPUs are supported in a guest\n",
1019 MAX_CPUMASK_BITS);
1020 }
1021
1022 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1023 }
1024 nb_numa_nodes++;
1025 }
1026 }
1027
1028 static void smp_parse(const char *optarg)
1029 {
1030 int smp, sockets = 0, threads = 0, cores = 0;
1031 char *endptr;
1032 char option[128];
1033
1034 smp = strtoul(optarg, &endptr, 10);
1035 if (endptr != optarg) {
1036 if (*endptr == ',') {
1037 endptr++;
1038 }
1039 }
1040 if (get_param_value(option, 128, "sockets", endptr) != 0)
1041 sockets = strtoull(option, NULL, 10);
1042 if (get_param_value(option, 128, "cores", endptr) != 0)
1043 cores = strtoull(option, NULL, 10);
1044 if (get_param_value(option, 128, "threads", endptr) != 0)
1045 threads = strtoull(option, NULL, 10);
1046 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1047 max_cpus = strtoull(option, NULL, 10);
1048
1049 /* compute missing values, prefer sockets over cores over threads */
1050 if (smp == 0 || sockets == 0) {
1051 sockets = sockets > 0 ? sockets : 1;
1052 cores = cores > 0 ? cores : 1;
1053 threads = threads > 0 ? threads : 1;
1054 if (smp == 0) {
1055 smp = cores * threads * sockets;
1056 }
1057 } else {
1058 if (cores == 0) {
1059 threads = threads > 0 ? threads : 1;
1060 cores = smp / (sockets * threads);
1061 } else {
1062 threads = smp / (cores * sockets);
1063 }
1064 }
1065 smp_cpus = smp;
1066 smp_cores = cores > 0 ? cores : 1;
1067 smp_threads = threads > 0 ? threads : 1;
1068 if (max_cpus == 0)
1069 max_cpus = smp_cpus;
1070 }
1071
1072 /***********************************************************/
1073 /* USB devices */
1074
1075 static int usb_device_add(const char *devname)
1076 {
1077 const char *p;
1078 USBDevice *dev = NULL;
1079
1080 if (!usb_enabled)
1081 return -1;
1082
1083 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1084 dev = usbdevice_create(devname);
1085 if (dev)
1086 goto done;
1087
1088 /* the other ones */
1089 #ifndef CONFIG_LINUX
1090 /* only the linux version is qdev-ified, usb-bsd still needs this */
1091 if (strstart(devname, "host:", &p)) {
1092 dev = usb_host_device_open(usb_bus_find(-1), p);
1093 } else
1094 #endif
1095 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1096 dev = usb_bt_init(usb_bus_find(-1),
1097 devname[2] ? hci_init(p)
1098 : bt_new_hci(qemu_find_bt_vlan(0)));
1099 } else {
1100 return -1;
1101 }
1102 if (!dev)
1103 return -1;
1104
1105 done:
1106 return 0;
1107 }
1108
1109 static int usb_device_del(const char *devname)
1110 {
1111 int bus_num, addr;
1112 const char *p;
1113
1114 if (strstart(devname, "host:", &p))
1115 return usb_host_device_close(p);
1116
1117 if (!usb_enabled)
1118 return -1;
1119
1120 p = strchr(devname, '.');
1121 if (!p)
1122 return -1;
1123 bus_num = strtoul(devname, NULL, 0);
1124 addr = strtoul(p + 1, NULL, 0);
1125
1126 return usb_device_delete_addr(bus_num, addr);
1127 }
1128
1129 static int usb_parse(const char *cmdline)
1130 {
1131 int r;
1132 r = usb_device_add(cmdline);
1133 if (r < 0) {
1134 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1135 }
1136 return r;
1137 }
1138
1139 void do_usb_add(Monitor *mon, const QDict *qdict)
1140 {
1141 const char *devname = qdict_get_str(qdict, "devname");
1142 if (usb_device_add(devname) < 0) {
1143 error_report("could not add USB device '%s'", devname);
1144 }
1145 }
1146
1147 void do_usb_del(Monitor *mon, const QDict *qdict)
1148 {
1149 const char *devname = qdict_get_str(qdict, "devname");
1150 if (usb_device_del(devname) < 0) {
1151 error_report("could not delete USB device '%s'", devname);
1152 }
1153 }
1154
1155 /***********************************************************/
1156 /* PCMCIA/Cardbus */
1157
1158 static struct pcmcia_socket_entry_s {
1159 PCMCIASocket *socket;
1160 struct pcmcia_socket_entry_s *next;
1161 } *pcmcia_sockets = 0;
1162
1163 void pcmcia_socket_register(PCMCIASocket *socket)
1164 {
1165 struct pcmcia_socket_entry_s *entry;
1166
1167 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1168 entry->socket = socket;
1169 entry->next = pcmcia_sockets;
1170 pcmcia_sockets = entry;
1171 }
1172
1173 void pcmcia_socket_unregister(PCMCIASocket *socket)
1174 {
1175 struct pcmcia_socket_entry_s *entry, **ptr;
1176
1177 ptr = &pcmcia_sockets;
1178 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1179 if (entry->socket == socket) {
1180 *ptr = entry->next;
1181 g_free(entry);
1182 }
1183 }
1184
1185 void pcmcia_info(Monitor *mon)
1186 {
1187 struct pcmcia_socket_entry_s *iter;
1188
1189 if (!pcmcia_sockets)
1190 monitor_printf(mon, "No PCMCIA sockets\n");
1191
1192 for (iter = pcmcia_sockets; iter; iter = iter->next)
1193 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1194 iter->socket->attached ? iter->socket->card_string :
1195 "Empty");
1196 }
1197
1198 /***********************************************************/
1199 /* machine registration */
1200
1201 static QEMUMachine *first_machine = NULL;
1202 QEMUMachine *current_machine = NULL;
1203
1204 int qemu_register_machine(QEMUMachine *m)
1205 {
1206 QEMUMachine **pm;
1207 pm = &first_machine;
1208 while (*pm != NULL)
1209 pm = &(*pm)->next;
1210 m->next = NULL;
1211 *pm = m;
1212 return 0;
1213 }
1214
1215 static QEMUMachine *find_machine(const char *name)
1216 {
1217 QEMUMachine *m;
1218
1219 for(m = first_machine; m != NULL; m = m->next) {
1220 if (!strcmp(m->name, name))
1221 return m;
1222 if (m->alias && !strcmp(m->alias, name))
1223 return m;
1224 }
1225 return NULL;
1226 }
1227
1228 QEMUMachine *find_default_machine(void)
1229 {
1230 QEMUMachine *m;
1231
1232 for(m = first_machine; m != NULL; m = m->next) {
1233 if (m->is_default) {
1234 return m;
1235 }
1236 }
1237 return NULL;
1238 }
1239
1240 MachineInfoList *qmp_query_machines(Error **errp)
1241 {
1242 MachineInfoList *mach_list = NULL;
1243 QEMUMachine *m;
1244
1245 for (m = first_machine; m; m = m->next) {
1246 MachineInfoList *entry;
1247 MachineInfo *info;
1248
1249 info = g_malloc0(sizeof(*info));
1250 if (m->is_default) {
1251 info->has_is_default = true;
1252 info->is_default = true;
1253 }
1254
1255 if (m->alias) {
1256 info->has_alias = true;
1257 info->alias = g_strdup(m->alias);
1258 }
1259
1260 info->name = g_strdup(m->name);
1261
1262 entry = g_malloc0(sizeof(*entry));
1263 entry->value = info;
1264 entry->next = mach_list;
1265 mach_list = entry;
1266 }
1267
1268 return mach_list;
1269 }
1270
1271 /***********************************************************/
1272 /* main execution loop */
1273
1274 static void gui_update(void *opaque)
1275 {
1276 uint64_t interval = GUI_REFRESH_INTERVAL;
1277 DisplayState *ds = opaque;
1278 DisplayChangeListener *dcl = ds->listeners;
1279
1280 dpy_refresh(ds);
1281
1282 while (dcl != NULL) {
1283 if (dcl->gui_timer_interval &&
1284 dcl->gui_timer_interval < interval)
1285 interval = dcl->gui_timer_interval;
1286 dcl = dcl->next;
1287 }
1288 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1289 }
1290
1291 struct vm_change_state_entry {
1292 VMChangeStateHandler *cb;
1293 void *opaque;
1294 QLIST_ENTRY (vm_change_state_entry) entries;
1295 };
1296
1297 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1298
1299 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1300 void *opaque)
1301 {
1302 VMChangeStateEntry *e;
1303
1304 e = g_malloc0(sizeof (*e));
1305
1306 e->cb = cb;
1307 e->opaque = opaque;
1308 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1309 return e;
1310 }
1311
1312 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1313 {
1314 QLIST_REMOVE (e, entries);
1315 g_free (e);
1316 }
1317
1318 void vm_state_notify(int running, RunState state)
1319 {
1320 VMChangeStateEntry *e;
1321
1322 trace_vm_state_notify(running, state);
1323
1324 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1325 e->cb(e->opaque, running, state);
1326 }
1327 }
1328
1329 void vm_start(void)
1330 {
1331 if (!runstate_is_running()) {
1332 cpu_enable_ticks();
1333 runstate_set(RUN_STATE_RUNNING);
1334 vm_state_notify(1, RUN_STATE_RUNNING);
1335 resume_all_vcpus();
1336 monitor_protocol_event(QEVENT_RESUME, NULL);
1337 }
1338 }
1339
1340 /* reset/shutdown handler */
1341
1342 typedef struct QEMUResetEntry {
1343 QTAILQ_ENTRY(QEMUResetEntry) entry;
1344 QEMUResetHandler *func;
1345 void *opaque;
1346 } QEMUResetEntry;
1347
1348 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1349 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1350 static int reset_requested;
1351 static int shutdown_requested, shutdown_signal = -1;
1352 static pid_t shutdown_pid;
1353 static int powerdown_requested;
1354 static int debug_requested;
1355 static int suspend_requested;
1356 static int wakeup_requested;
1357 static NotifierList powerdown_notifiers =
1358 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1359 static NotifierList suspend_notifiers =
1360 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1361 static NotifierList wakeup_notifiers =
1362 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1363 static uint32_t wakeup_reason_mask = ~0;
1364 static RunState vmstop_requested = RUN_STATE_MAX;
1365
1366 int qemu_shutdown_requested_get(void)
1367 {
1368 return shutdown_requested;
1369 }
1370
1371 int qemu_reset_requested_get(void)
1372 {
1373 return reset_requested;
1374 }
1375
1376 int qemu_shutdown_requested(void)
1377 {
1378 int r = shutdown_requested;
1379 shutdown_requested = 0;
1380 return r;
1381 }
1382
1383 void qemu_kill_report(void)
1384 {
1385 if (!qtest_enabled() && shutdown_signal != -1) {
1386 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1387 if (shutdown_pid == 0) {
1388 /* This happens for eg ^C at the terminal, so it's worth
1389 * avoiding printing an odd message in that case.
1390 */
1391 fputc('\n', stderr);
1392 } else {
1393 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1394 }
1395 shutdown_signal = -1;
1396 }
1397 }
1398
1399 int qemu_reset_requested(void)
1400 {
1401 int r = reset_requested;
1402 reset_requested = 0;
1403 return r;
1404 }
1405
1406 static int qemu_suspend_requested(void)
1407 {
1408 int r = suspend_requested;
1409 suspend_requested = 0;
1410 return r;
1411 }
1412
1413 static int qemu_wakeup_requested(void)
1414 {
1415 int r = wakeup_requested;
1416 wakeup_requested = 0;
1417 return r;
1418 }
1419
1420 int qemu_powerdown_requested(void)
1421 {
1422 int r = powerdown_requested;
1423 powerdown_requested = 0;
1424 return r;
1425 }
1426
1427 static int qemu_debug_requested(void)
1428 {
1429 int r = debug_requested;
1430 debug_requested = 0;
1431 return r;
1432 }
1433
1434 /* We use RUN_STATE_MAX but any invalid value will do */
1435 static bool qemu_vmstop_requested(RunState *r)
1436 {
1437 if (vmstop_requested < RUN_STATE_MAX) {
1438 *r = vmstop_requested;
1439 vmstop_requested = RUN_STATE_MAX;
1440 return true;
1441 }
1442
1443 return false;
1444 }
1445
1446 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1447 {
1448 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1449
1450 re->func = func;
1451 re->opaque = opaque;
1452 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1453 }
1454
1455 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1456 {
1457 QEMUResetEntry *re;
1458
1459 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1460 if (re->func == func && re->opaque == opaque) {
1461 QTAILQ_REMOVE(&reset_handlers, re, entry);
1462 g_free(re);
1463 return;
1464 }
1465 }
1466 }
1467
1468 void qemu_devices_reset(void)
1469 {
1470 QEMUResetEntry *re, *nre;
1471
1472 /* reset all devices */
1473 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1474 re->func(re->opaque);
1475 }
1476 }
1477
1478 void qemu_system_reset(bool report)
1479 {
1480 if (current_machine && current_machine->reset) {
1481 current_machine->reset();
1482 } else {
1483 qemu_devices_reset();
1484 }
1485 if (report) {
1486 monitor_protocol_event(QEVENT_RESET, NULL);
1487 }
1488 cpu_synchronize_all_post_reset();
1489 }
1490
1491 void qemu_system_reset_request(void)
1492 {
1493 if (no_reboot) {
1494 shutdown_requested = 1;
1495 } else {
1496 reset_requested = 1;
1497 }
1498 cpu_stop_current();
1499 qemu_notify_event();
1500 }
1501
1502 static void qemu_system_suspend(void)
1503 {
1504 pause_all_vcpus();
1505 notifier_list_notify(&suspend_notifiers, NULL);
1506 runstate_set(RUN_STATE_SUSPENDED);
1507 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1508 }
1509
1510 void qemu_system_suspend_request(void)
1511 {
1512 if (runstate_check(RUN_STATE_SUSPENDED)) {
1513 return;
1514 }
1515 suspend_requested = 1;
1516 cpu_stop_current();
1517 qemu_notify_event();
1518 }
1519
1520 void qemu_register_suspend_notifier(Notifier *notifier)
1521 {
1522 notifier_list_add(&suspend_notifiers, notifier);
1523 }
1524
1525 void qemu_system_wakeup_request(WakeupReason reason)
1526 {
1527 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1528 return;
1529 }
1530 if (!(wakeup_reason_mask & (1 << reason))) {
1531 return;
1532 }
1533 runstate_set(RUN_STATE_RUNNING);
1534 notifier_list_notify(&wakeup_notifiers, &reason);
1535 wakeup_requested = 1;
1536 qemu_notify_event();
1537 }
1538
1539 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1540 {
1541 if (enabled) {
1542 wakeup_reason_mask |= (1 << reason);
1543 } else {
1544 wakeup_reason_mask &= ~(1 << reason);
1545 }
1546 }
1547
1548 void qemu_register_wakeup_notifier(Notifier *notifier)
1549 {
1550 notifier_list_add(&wakeup_notifiers, notifier);
1551 }
1552
1553 void qemu_system_killed(int signal, pid_t pid)
1554 {
1555 shutdown_signal = signal;
1556 shutdown_pid = pid;
1557 no_shutdown = 0;
1558 qemu_system_shutdown_request();
1559 }
1560
1561 void qemu_system_shutdown_request(void)
1562 {
1563 shutdown_requested = 1;
1564 qemu_notify_event();
1565 }
1566
1567 static void qemu_system_powerdown(void)
1568 {
1569 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1570 notifier_list_notify(&powerdown_notifiers, NULL);
1571 }
1572
1573 void qemu_system_powerdown_request(void)
1574 {
1575 powerdown_requested = 1;
1576 qemu_notify_event();
1577 }
1578
1579 void qemu_register_powerdown_notifier(Notifier *notifier)
1580 {
1581 notifier_list_add(&powerdown_notifiers, notifier);
1582 }
1583
1584 void qemu_system_debug_request(void)
1585 {
1586 debug_requested = 1;
1587 qemu_notify_event();
1588 }
1589
1590 void qemu_system_vmstop_request(RunState state)
1591 {
1592 vmstop_requested = state;
1593 qemu_notify_event();
1594 }
1595
1596 static bool main_loop_should_exit(void)
1597 {
1598 RunState r;
1599 if (qemu_debug_requested()) {
1600 vm_stop(RUN_STATE_DEBUG);
1601 }
1602 if (qemu_suspend_requested()) {
1603 qemu_system_suspend();
1604 }
1605 if (qemu_shutdown_requested()) {
1606 qemu_kill_report();
1607 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1608 if (no_shutdown) {
1609 vm_stop(RUN_STATE_SHUTDOWN);
1610 } else {
1611 return true;
1612 }
1613 }
1614 if (qemu_reset_requested()) {
1615 pause_all_vcpus();
1616 cpu_synchronize_all_states();
1617 qemu_system_reset(VMRESET_REPORT);
1618 resume_all_vcpus();
1619 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1620 runstate_check(RUN_STATE_SHUTDOWN)) {
1621 runstate_set(RUN_STATE_PAUSED);
1622 }
1623 }
1624 if (qemu_wakeup_requested()) {
1625 pause_all_vcpus();
1626 cpu_synchronize_all_states();
1627 qemu_system_reset(VMRESET_SILENT);
1628 resume_all_vcpus();
1629 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1630 }
1631 if (qemu_powerdown_requested()) {
1632 qemu_system_powerdown();
1633 }
1634 if (qemu_vmstop_requested(&r)) {
1635 vm_stop(r);
1636 }
1637 return false;
1638 }
1639
1640 static void main_loop(void)
1641 {
1642 bool nonblocking;
1643 int last_io = 0;
1644 #ifdef CONFIG_PROFILER
1645 int64_t ti;
1646 #endif
1647 do {
1648 nonblocking = !kvm_enabled() && last_io > 0;
1649 #ifdef CONFIG_PROFILER
1650 ti = profile_getclock();
1651 #endif
1652 last_io = main_loop_wait(nonblocking);
1653 #ifdef CONFIG_PROFILER
1654 dev_time += profile_getclock() - ti;
1655 #endif
1656 } while (!main_loop_should_exit());
1657 }
1658
1659 static void version(void)
1660 {
1661 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1662 }
1663
1664 static void help(int exitcode)
1665 {
1666 version();
1667 printf("usage: %s [options] [disk_image]\n\n"
1668 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1669 error_get_progname());
1670
1671 #define QEMU_OPTIONS_GENERATE_HELP
1672 #include "qemu-options-wrapper.h"
1673
1674 printf("\nDuring emulation, the following keys are useful:\n"
1675 "ctrl-alt-f toggle full screen\n"
1676 "ctrl-alt-n switch to virtual console 'n'\n"
1677 "ctrl-alt toggle mouse and keyboard grab\n"
1678 "\n"
1679 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1680
1681 exit(exitcode);
1682 }
1683
1684 #define HAS_ARG 0x0001
1685
1686 typedef struct QEMUOption {
1687 const char *name;
1688 int flags;
1689 int index;
1690 uint32_t arch_mask;
1691 } QEMUOption;
1692
1693 static const QEMUOption qemu_options[] = {
1694 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1695 #define QEMU_OPTIONS_GENERATE_OPTIONS
1696 #include "qemu-options-wrapper.h"
1697 { NULL },
1698 };
1699
1700 static bool vga_available(void)
1701 {
1702 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1703 }
1704
1705 static bool cirrus_vga_available(void)
1706 {
1707 return object_class_by_name("cirrus-vga")
1708 || object_class_by_name("isa-cirrus-vga");
1709 }
1710
1711 static bool vmware_vga_available(void)
1712 {
1713 return object_class_by_name("vmware-svga");
1714 }
1715
1716 static bool qxl_vga_available(void)
1717 {
1718 return object_class_by_name("qxl-vga");
1719 }
1720
1721 static void select_vgahw (const char *p)
1722 {
1723 const char *opts;
1724
1725 vga_interface_type = VGA_NONE;
1726 if (strstart(p, "std", &opts)) {
1727 if (vga_available()) {
1728 vga_interface_type = VGA_STD;
1729 } else {
1730 fprintf(stderr, "Error: standard VGA not available\n");
1731 exit(0);
1732 }
1733 } else if (strstart(p, "cirrus", &opts)) {
1734 if (cirrus_vga_available()) {
1735 vga_interface_type = VGA_CIRRUS;
1736 } else {
1737 fprintf(stderr, "Error: Cirrus VGA not available\n");
1738 exit(0);
1739 }
1740 } else if (strstart(p, "vmware", &opts)) {
1741 if (vmware_vga_available()) {
1742 vga_interface_type = VGA_VMWARE;
1743 } else {
1744 fprintf(stderr, "Error: VMWare SVGA not available\n");
1745 exit(0);
1746 }
1747 } else if (strstart(p, "xenfb", &opts)) {
1748 vga_interface_type = VGA_XENFB;
1749 } else if (strstart(p, "qxl", &opts)) {
1750 if (qxl_vga_available()) {
1751 vga_interface_type = VGA_QXL;
1752 } else {
1753 fprintf(stderr, "Error: QXL VGA not available\n");
1754 exit(0);
1755 }
1756 } else if (!strstart(p, "none", &opts)) {
1757 invalid_vga:
1758 fprintf(stderr, "Unknown vga type: %s\n", p);
1759 exit(1);
1760 }
1761 while (*opts) {
1762 const char *nextopt;
1763
1764 if (strstart(opts, ",retrace=", &nextopt)) {
1765 opts = nextopt;
1766 if (strstart(opts, "dumb", &nextopt))
1767 vga_retrace_method = VGA_RETRACE_DUMB;
1768 else if (strstart(opts, "precise", &nextopt))
1769 vga_retrace_method = VGA_RETRACE_PRECISE;
1770 else goto invalid_vga;
1771 } else goto invalid_vga;
1772 opts = nextopt;
1773 }
1774 }
1775
1776 static DisplayType select_display(const char *p)
1777 {
1778 const char *opts;
1779 DisplayType display = DT_DEFAULT;
1780
1781 if (strstart(p, "sdl", &opts)) {
1782 #ifdef CONFIG_SDL
1783 display = DT_SDL;
1784 while (*opts) {
1785 const char *nextopt;
1786
1787 if (strstart(opts, ",frame=", &nextopt)) {
1788 opts = nextopt;
1789 if (strstart(opts, "on", &nextopt)) {
1790 no_frame = 0;
1791 } else if (strstart(opts, "off", &nextopt)) {
1792 no_frame = 1;
1793 } else {
1794 goto invalid_sdl_args;
1795 }
1796 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1797 opts = nextopt;
1798 if (strstart(opts, "on", &nextopt)) {
1799 alt_grab = 1;
1800 } else if (strstart(opts, "off", &nextopt)) {
1801 alt_grab = 0;
1802 } else {
1803 goto invalid_sdl_args;
1804 }
1805 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1806 opts = nextopt;
1807 if (strstart(opts, "on", &nextopt)) {
1808 ctrl_grab = 1;
1809 } else if (strstart(opts, "off", &nextopt)) {
1810 ctrl_grab = 0;
1811 } else {
1812 goto invalid_sdl_args;
1813 }
1814 } else if (strstart(opts, ",window_close=", &nextopt)) {
1815 opts = nextopt;
1816 if (strstart(opts, "on", &nextopt)) {
1817 no_quit = 0;
1818 } else if (strstart(opts, "off", &nextopt)) {
1819 no_quit = 1;
1820 } else {
1821 goto invalid_sdl_args;
1822 }
1823 } else {
1824 invalid_sdl_args:
1825 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1826 exit(1);
1827 }
1828 opts = nextopt;
1829 }
1830 #else
1831 fprintf(stderr, "SDL support is disabled\n");
1832 exit(1);
1833 #endif
1834 } else if (strstart(p, "vnc", &opts)) {
1835 #ifdef CONFIG_VNC
1836 display_remote++;
1837
1838 if (*opts) {
1839 const char *nextopt;
1840
1841 if (strstart(opts, "=", &nextopt)) {
1842 vnc_display = nextopt;
1843 }
1844 }
1845 if (!vnc_display) {
1846 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1847 exit(1);
1848 }
1849 #else
1850 fprintf(stderr, "VNC support is disabled\n");
1851 exit(1);
1852 #endif
1853 } else if (strstart(p, "curses", &opts)) {
1854 #ifdef CONFIG_CURSES
1855 display = DT_CURSES;
1856 #else
1857 fprintf(stderr, "Curses support is disabled\n");
1858 exit(1);
1859 #endif
1860 } else if (strstart(p, "none", &opts)) {
1861 display = DT_NONE;
1862 } else {
1863 fprintf(stderr, "Unknown display type: %s\n", p);
1864 exit(1);
1865 }
1866
1867 return display;
1868 }
1869
1870 static int balloon_parse(const char *arg)
1871 {
1872 QemuOpts *opts;
1873
1874 if (strcmp(arg, "none") == 0) {
1875 return 0;
1876 }
1877
1878 if (!strncmp(arg, "virtio", 6)) {
1879 if (arg[6] == ',') {
1880 /* have params -> parse them */
1881 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1882 if (!opts)
1883 return -1;
1884 } else {
1885 /* create empty opts */
1886 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1887 }
1888 qemu_opt_set(opts, "driver", "virtio-balloon");
1889 return 0;
1890 }
1891
1892 return -1;
1893 }
1894
1895 char *qemu_find_file(int type, const char *name)
1896 {
1897 int len;
1898 const char *subdir;
1899 char *buf;
1900
1901 /* Try the name as a straight path first */
1902 if (access(name, R_OK) == 0) {
1903 return g_strdup(name);
1904 }
1905 switch (type) {
1906 case QEMU_FILE_TYPE_BIOS:
1907 subdir = "";
1908 break;
1909 case QEMU_FILE_TYPE_KEYMAP:
1910 subdir = "keymaps/";
1911 break;
1912 default:
1913 abort();
1914 }
1915 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1916 buf = g_malloc0(len);
1917 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1918 if (access(buf, R_OK)) {
1919 g_free(buf);
1920 return NULL;
1921 }
1922 return buf;
1923 }
1924
1925 static int device_help_func(QemuOpts *opts, void *opaque)
1926 {
1927 return qdev_device_help(opts);
1928 }
1929
1930 static int device_init_func(QemuOpts *opts, void *opaque)
1931 {
1932 DeviceState *dev;
1933
1934 dev = qdev_device_add(opts);
1935 if (!dev)
1936 return -1;
1937 return 0;
1938 }
1939
1940 static int chardev_init_func(QemuOpts *opts, void *opaque)
1941 {
1942 CharDriverState *chr;
1943
1944 chr = qemu_chr_new_from_opts(opts, NULL);
1945 if (!chr)
1946 return -1;
1947 return 0;
1948 }
1949
1950 #ifdef CONFIG_VIRTFS
1951 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1952 {
1953 int ret;
1954 ret = qemu_fsdev_add(opts);
1955
1956 return ret;
1957 }
1958 #endif
1959
1960 static int mon_init_func(QemuOpts *opts, void *opaque)
1961 {
1962 CharDriverState *chr;
1963 const char *chardev;
1964 const char *mode;
1965 int flags;
1966
1967 mode = qemu_opt_get(opts, "mode");
1968 if (mode == NULL) {
1969 mode = "readline";
1970 }
1971 if (strcmp(mode, "readline") == 0) {
1972 flags = MONITOR_USE_READLINE;
1973 } else if (strcmp(mode, "control") == 0) {
1974 flags = MONITOR_USE_CONTROL;
1975 } else {
1976 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1977 exit(1);
1978 }
1979
1980 if (qemu_opt_get_bool(opts, "pretty", 0))
1981 flags |= MONITOR_USE_PRETTY;
1982
1983 if (qemu_opt_get_bool(opts, "default", 0))
1984 flags |= MONITOR_IS_DEFAULT;
1985
1986 chardev = qemu_opt_get(opts, "chardev");
1987 chr = qemu_chr_find(chardev);
1988 if (chr == NULL) {
1989 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1990 exit(1);
1991 }
1992
1993 monitor_init(chr, flags);
1994 return 0;
1995 }
1996
1997 static void monitor_parse(const char *optarg, const char *mode)
1998 {
1999 static int monitor_device_index = 0;
2000 QemuOpts *opts;
2001 const char *p;
2002 char label[32];
2003 int def = 0;
2004
2005 if (strstart(optarg, "chardev:", &p)) {
2006 snprintf(label, sizeof(label), "%s", p);
2007 } else {
2008 snprintf(label, sizeof(label), "compat_monitor%d",
2009 monitor_device_index);
2010 if (monitor_device_index == 0) {
2011 def = 1;
2012 }
2013 opts = qemu_chr_parse_compat(label, optarg);
2014 if (!opts) {
2015 fprintf(stderr, "parse error: %s\n", optarg);
2016 exit(1);
2017 }
2018 }
2019
2020 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2021 if (!opts) {
2022 fprintf(stderr, "duplicate chardev: %s\n", label);
2023 exit(1);
2024 }
2025 qemu_opt_set(opts, "mode", mode);
2026 qemu_opt_set(opts, "chardev", label);
2027 if (def)
2028 qemu_opt_set(opts, "default", "on");
2029 monitor_device_index++;
2030 }
2031
2032 struct device_config {
2033 enum {
2034 DEV_USB, /* -usbdevice */
2035 DEV_BT, /* -bt */
2036 DEV_SERIAL, /* -serial */
2037 DEV_PARALLEL, /* -parallel */
2038 DEV_VIRTCON, /* -virtioconsole */
2039 DEV_DEBUGCON, /* -debugcon */
2040 DEV_GDB, /* -gdb, -s */
2041 } type;
2042 const char *cmdline;
2043 Location loc;
2044 QTAILQ_ENTRY(device_config) next;
2045 };
2046 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2047
2048 static void add_device_config(int type, const char *cmdline)
2049 {
2050 struct device_config *conf;
2051
2052 conf = g_malloc0(sizeof(*conf));
2053 conf->type = type;
2054 conf->cmdline = cmdline;
2055 loc_save(&conf->loc);
2056 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2057 }
2058
2059 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2060 {
2061 struct device_config *conf;
2062 int rc;
2063
2064 QTAILQ_FOREACH(conf, &device_configs, next) {
2065 if (conf->type != type)
2066 continue;
2067 loc_push_restore(&conf->loc);
2068 rc = func(conf->cmdline);
2069 loc_pop(&conf->loc);
2070 if (0 != rc)
2071 return rc;
2072 }
2073 return 0;
2074 }
2075
2076 static int serial_parse(const char *devname)
2077 {
2078 static int index = 0;
2079 char label[32];
2080
2081 if (strcmp(devname, "none") == 0)
2082 return 0;
2083 if (index == MAX_SERIAL_PORTS) {
2084 fprintf(stderr, "qemu: too many serial ports\n");
2085 exit(1);
2086 }
2087 snprintf(label, sizeof(label), "serial%d", index);
2088 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2089 if (!serial_hds[index]) {
2090 fprintf(stderr, "qemu: could not connect serial device"
2091 " to character backend '%s'\n", devname);
2092 return -1;
2093 }
2094 index++;
2095 return 0;
2096 }
2097
2098 static int parallel_parse(const char *devname)
2099 {
2100 static int index = 0;
2101 char label[32];
2102
2103 if (strcmp(devname, "none") == 0)
2104 return 0;
2105 if (index == MAX_PARALLEL_PORTS) {
2106 fprintf(stderr, "qemu: too many parallel ports\n");
2107 exit(1);
2108 }
2109 snprintf(label, sizeof(label), "parallel%d", index);
2110 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2111 if (!parallel_hds[index]) {
2112 fprintf(stderr, "qemu: could not connect parallel device"
2113 " to character backend '%s'\n", devname);
2114 return -1;
2115 }
2116 index++;
2117 return 0;
2118 }
2119
2120 static int virtcon_parse(const char *devname)
2121 {
2122 QemuOptsList *device = qemu_find_opts("device");
2123 static int index = 0;
2124 char label[32];
2125 QemuOpts *bus_opts, *dev_opts;
2126
2127 if (strcmp(devname, "none") == 0)
2128 return 0;
2129 if (index == MAX_VIRTIO_CONSOLES) {
2130 fprintf(stderr, "qemu: too many virtio consoles\n");
2131 exit(1);
2132 }
2133
2134 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2135 if (arch_type == QEMU_ARCH_S390X) {
2136 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2137 } else {
2138 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2139 }
2140
2141 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2142 qemu_opt_set(dev_opts, "driver", "virtconsole");
2143
2144 snprintf(label, sizeof(label), "virtcon%d", index);
2145 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2146 if (!virtcon_hds[index]) {
2147 fprintf(stderr, "qemu: could not connect virtio console"
2148 " to character backend '%s'\n", devname);
2149 return -1;
2150 }
2151 qemu_opt_set(dev_opts, "chardev", label);
2152
2153 index++;
2154 return 0;
2155 }
2156
2157 static int debugcon_parse(const char *devname)
2158 {
2159 QemuOpts *opts;
2160
2161 if (!qemu_chr_new("debugcon", devname, NULL)) {
2162 exit(1);
2163 }
2164 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2165 if (!opts) {
2166 fprintf(stderr, "qemu: already have a debugcon device\n");
2167 exit(1);
2168 }
2169 qemu_opt_set(opts, "driver", "isa-debugcon");
2170 qemu_opt_set(opts, "chardev", "debugcon");
2171 return 0;
2172 }
2173
2174 static QEMUMachine *machine_parse(const char *name)
2175 {
2176 QEMUMachine *m, *machine = NULL;
2177
2178 if (name) {
2179 machine = find_machine(name);
2180 }
2181 if (machine) {
2182 return machine;
2183 }
2184 printf("Supported machines are:\n");
2185 for (m = first_machine; m != NULL; m = m->next) {
2186 if (m->alias) {
2187 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2188 }
2189 printf("%-20s %s%s\n", m->name, m->desc,
2190 m->is_default ? " (default)" : "");
2191 }
2192 exit(!name || !is_help_option(name));
2193 }
2194
2195 static int tcg_init(void)
2196 {
2197 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2198 return 0;
2199 }
2200
2201 static struct {
2202 const char *opt_name;
2203 const char *name;
2204 int (*available)(void);
2205 int (*init)(void);
2206 int *allowed;
2207 } accel_list[] = {
2208 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2209 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2210 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2211 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2212 };
2213
2214 static int configure_accelerator(void)
2215 {
2216 const char *p = NULL;
2217 char buf[10];
2218 int i, ret;
2219 bool accel_initialised = 0;
2220 bool init_failed = 0;
2221
2222 QemuOptsList *list = qemu_find_opts("machine");
2223 if (!QTAILQ_EMPTY(&list->head)) {
2224 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2225 }
2226
2227 if (p == NULL) {
2228 /* Use the default "accelerator", tcg */
2229 p = "tcg";
2230 }
2231
2232 while (!accel_initialised && *p != '\0') {
2233 if (*p == ':') {
2234 p++;
2235 }
2236 p = get_opt_name(buf, sizeof (buf), p, ':');
2237 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2238 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2239 *(accel_list[i].allowed) = 1;
2240 ret = accel_list[i].init();
2241 if (ret < 0) {
2242 init_failed = 1;
2243 if (!accel_list[i].available()) {
2244 printf("%s not supported for this target\n",
2245 accel_list[i].name);
2246 } else {
2247 fprintf(stderr, "failed to initialize %s: %s\n",
2248 accel_list[i].name,
2249 strerror(-ret));
2250 }
2251 *(accel_list[i].allowed) = 0;
2252 } else {
2253 accel_initialised = 1;
2254 }
2255 break;
2256 }
2257 }
2258 if (i == ARRAY_SIZE(accel_list)) {
2259 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2260 }
2261 }
2262
2263 if (!accel_initialised) {
2264 fprintf(stderr, "No accelerator found!\n");
2265 exit(1);
2266 }
2267
2268 if (init_failed) {
2269 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2270 }
2271
2272 return !accel_initialised;
2273 }
2274
2275 void qemu_add_exit_notifier(Notifier *notify)
2276 {
2277 notifier_list_add(&exit_notifiers, notify);
2278 }
2279
2280 void qemu_remove_exit_notifier(Notifier *notify)
2281 {
2282 notifier_remove(notify);
2283 }
2284
2285 static void qemu_run_exit_notifiers(void)
2286 {
2287 notifier_list_notify(&exit_notifiers, NULL);
2288 }
2289
2290 void qemu_add_machine_init_done_notifier(Notifier *notify)
2291 {
2292 notifier_list_add(&machine_init_done_notifiers, notify);
2293 }
2294
2295 static void qemu_run_machine_init_done_notifiers(void)
2296 {
2297 notifier_list_notify(&machine_init_done_notifiers, NULL);
2298 }
2299
2300 static const QEMUOption *lookup_opt(int argc, char **argv,
2301 const char **poptarg, int *poptind)
2302 {
2303 const QEMUOption *popt;
2304 int optind = *poptind;
2305 char *r = argv[optind];
2306 const char *optarg;
2307
2308 loc_set_cmdline(argv, optind, 1);
2309 optind++;
2310 /* Treat --foo the same as -foo. */
2311 if (r[1] == '-')
2312 r++;
2313 popt = qemu_options;
2314 for(;;) {
2315 if (!popt->name) {
2316 error_report("invalid option");
2317 exit(1);
2318 }
2319 if (!strcmp(popt->name, r + 1))
2320 break;
2321 popt++;
2322 }
2323 if (popt->flags & HAS_ARG) {
2324 if (optind >= argc) {
2325 error_report("requires an argument");
2326 exit(1);
2327 }
2328 optarg = argv[optind++];
2329 loc_set_cmdline(argv, optind - 2, 2);
2330 } else {
2331 optarg = NULL;
2332 }
2333
2334 *poptarg = optarg;
2335 *poptind = optind;
2336
2337 return popt;
2338 }
2339
2340 static gpointer malloc_and_trace(gsize n_bytes)
2341 {
2342 void *ptr = malloc(n_bytes);
2343 trace_g_malloc(n_bytes, ptr);
2344 return ptr;
2345 }
2346
2347 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2348 {
2349 void *ptr = realloc(mem, n_bytes);
2350 trace_g_realloc(mem, n_bytes, ptr);
2351 return ptr;
2352 }
2353
2354 static void free_and_trace(gpointer mem)
2355 {
2356 trace_g_free(mem);
2357 free(mem);
2358 }
2359
2360 int qemu_init_main_loop(void)
2361 {
2362 return main_loop_init();
2363 }
2364
2365 int main(int argc, char **argv, char **envp)
2366 {
2367 int i;
2368 int snapshot, linux_boot;
2369 const char *icount_option = NULL;
2370 const char *initrd_filename;
2371 const char *kernel_filename, *kernel_cmdline;
2372 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2373 DisplayState *ds;
2374 DisplayChangeListener *dcl;
2375 int cyls, heads, secs, translation;
2376 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2377 QemuOptsList *olist;
2378 int optind;
2379 const char *optarg;
2380 const char *loadvm = NULL;
2381 QEMUMachine *machine;
2382 const char *cpu_model;
2383 const char *vga_model = "none";
2384 const char *pid_file = NULL;
2385 const char *incoming = NULL;
2386 #ifdef CONFIG_VNC
2387 int show_vnc_port = 0;
2388 #endif
2389 bool defconfig = true;
2390 bool userconfig = true;
2391 const char *log_mask = NULL;
2392 const char *log_file = NULL;
2393 GMemVTable mem_trace = {
2394 .malloc = malloc_and_trace,
2395 .realloc = realloc_and_trace,
2396 .free = free_and_trace,
2397 };
2398 const char *trace_events = NULL;
2399 const char *trace_file = NULL;
2400
2401 atexit(qemu_run_exit_notifiers);
2402 error_set_progname(argv[0]);
2403
2404 g_mem_set_vtable(&mem_trace);
2405 if (!g_thread_supported()) {
2406 #if !GLIB_CHECK_VERSION(2, 31, 0)
2407 g_thread_init(NULL);
2408 #else
2409 fprintf(stderr, "glib threading failed to initialize.\n");
2410 exit(1);
2411 #endif
2412 }
2413
2414 module_call_init(MODULE_INIT_QOM);
2415
2416 runstate_init();
2417
2418 init_clocks();
2419 rtc_clock = host_clock;
2420
2421 qemu_cache_utils_init(envp);
2422
2423 QLIST_INIT (&vm_change_state_head);
2424 os_setup_early_signal_handling();
2425
2426 module_call_init(MODULE_INIT_MACHINE);
2427 machine = find_default_machine();
2428 cpu_model = NULL;
2429 ram_size = 0;
2430 snapshot = 0;
2431 cyls = heads = secs = 0;
2432 translation = BIOS_ATA_TRANSLATION_AUTO;
2433
2434 for (i = 0; i < MAX_NODES; i++) {
2435 node_mem[i] = 0;
2436 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2437 }
2438
2439 nb_numa_nodes = 0;
2440 nb_nics = 0;
2441
2442 autostart= 1;
2443
2444 /* first pass of option parsing */
2445 optind = 1;
2446 while (optind < argc) {
2447 if (argv[optind][0] != '-') {
2448 /* disk image */
2449 optind++;
2450 continue;
2451 } else {
2452 const QEMUOption *popt;
2453
2454 popt = lookup_opt(argc, argv, &optarg, &optind);
2455 switch (popt->index) {
2456 case QEMU_OPTION_nodefconfig:
2457 defconfig = false;
2458 break;
2459 case QEMU_OPTION_nouserconfig:
2460 userconfig = false;
2461 break;
2462 }
2463 }
2464 }
2465
2466 if (defconfig) {
2467 int ret;
2468 ret = qemu_read_default_config_files(userconfig);
2469 if (ret < 0) {
2470 exit(1);
2471 }
2472 }
2473
2474 /* second pass of option parsing */
2475 optind = 1;
2476 for(;;) {
2477 if (optind >= argc)
2478 break;
2479 if (argv[optind][0] != '-') {
2480 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2481 } else {
2482 const QEMUOption *popt;
2483
2484 popt = lookup_opt(argc, argv, &optarg, &optind);
2485 if (!(popt->arch_mask & arch_type)) {
2486 printf("Option %s not supported for this target\n", popt->name);
2487 exit(1);
2488 }
2489 switch(popt->index) {
2490 case QEMU_OPTION_M:
2491 machine = machine_parse(optarg);
2492 break;
2493 case QEMU_OPTION_cpu:
2494 /* hw initialization will check this */
2495 cpu_model = optarg;
2496 break;
2497 case QEMU_OPTION_hda:
2498 {
2499 char buf[256];
2500 if (cyls == 0)
2501 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2502 else
2503 snprintf(buf, sizeof(buf),
2504 "%s,cyls=%d,heads=%d,secs=%d%s",
2505 HD_OPTS , cyls, heads, secs,
2506 translation == BIOS_ATA_TRANSLATION_LBA ?
2507 ",trans=lba" :
2508 translation == BIOS_ATA_TRANSLATION_NONE ?
2509 ",trans=none" : "");
2510 drive_add(IF_DEFAULT, 0, optarg, buf);
2511 break;
2512 }
2513 case QEMU_OPTION_hdb:
2514 case QEMU_OPTION_hdc:
2515 case QEMU_OPTION_hdd:
2516 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2517 HD_OPTS);
2518 break;
2519 case QEMU_OPTION_drive:
2520 if (drive_def(optarg) == NULL) {
2521 exit(1);
2522 }
2523 break;
2524 case QEMU_OPTION_set:
2525 if (qemu_set_option(optarg) != 0)
2526 exit(1);
2527 break;
2528 case QEMU_OPTION_global:
2529 if (qemu_global_option(optarg) != 0)
2530 exit(1);
2531 break;
2532 case QEMU_OPTION_mtdblock:
2533 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2534 break;
2535 case QEMU_OPTION_sd:
2536 drive_add(IF_SD, 0, optarg, SD_OPTS);
2537 break;
2538 case QEMU_OPTION_pflash:
2539 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2540 break;
2541 case QEMU_OPTION_snapshot:
2542 snapshot = 1;
2543 break;
2544 case QEMU_OPTION_hdachs:
2545 {
2546 const char *p;
2547 p = optarg;
2548 cyls = strtol(p, (char **)&p, 0);
2549 if (cyls < 1 || cyls > 16383)
2550 goto chs_fail;
2551 if (*p != ',')
2552 goto chs_fail;
2553 p++;
2554 heads = strtol(p, (char **)&p, 0);
2555 if (heads < 1 || heads > 16)
2556 goto chs_fail;
2557 if (*p != ',')
2558 goto chs_fail;
2559 p++;
2560 secs = strtol(p, (char **)&p, 0);
2561 if (secs < 1 || secs > 63)
2562 goto chs_fail;
2563 if (*p == ',') {
2564 p++;
2565 if (!strcmp(p, "none"))
2566 translation = BIOS_ATA_TRANSLATION_NONE;
2567 else if (!strcmp(p, "lba"))
2568 translation = BIOS_ATA_TRANSLATION_LBA;
2569 else if (!strcmp(p, "auto"))
2570 translation = BIOS_ATA_TRANSLATION_AUTO;
2571 else
2572 goto chs_fail;
2573 } else if (*p != '\0') {
2574 chs_fail:
2575 fprintf(stderr, "qemu: invalid physical CHS format\n");
2576 exit(1);
2577 }
2578 if (hda_opts != NULL) {
2579 char num[16];
2580 snprintf(num, sizeof(num), "%d", cyls);
2581 qemu_opt_set(hda_opts, "cyls", num);
2582 snprintf(num, sizeof(num), "%d", heads);
2583 qemu_opt_set(hda_opts, "heads", num);
2584 snprintf(num, sizeof(num), "%d", secs);
2585 qemu_opt_set(hda_opts, "secs", num);
2586 if (translation == BIOS_ATA_TRANSLATION_LBA)
2587 qemu_opt_set(hda_opts, "trans", "lba");
2588 if (translation == BIOS_ATA_TRANSLATION_NONE)
2589 qemu_opt_set(hda_opts, "trans", "none");
2590 }
2591 }
2592 break;
2593 case QEMU_OPTION_numa:
2594 if (nb_numa_nodes >= MAX_NODES) {
2595 fprintf(stderr, "qemu: too many NUMA nodes\n");
2596 exit(1);
2597 }
2598 numa_add(optarg);
2599 break;
2600 case QEMU_OPTION_display:
2601 display_type = select_display(optarg);
2602 break;
2603 case QEMU_OPTION_nographic:
2604 display_type = DT_NOGRAPHIC;
2605 break;
2606 case QEMU_OPTION_curses:
2607 #ifdef CONFIG_CURSES
2608 display_type = DT_CURSES;
2609 #else
2610 fprintf(stderr, "Curses support is disabled\n");
2611 exit(1);
2612 #endif
2613 break;
2614 case QEMU_OPTION_portrait:
2615 graphic_rotate = 90;
2616 break;
2617 case QEMU_OPTION_rotate:
2618 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2619 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2620 graphic_rotate != 180 && graphic_rotate != 270) {
2621 fprintf(stderr,
2622 "qemu: only 90, 180, 270 deg rotation is available\n");
2623 exit(1);
2624 }
2625 break;
2626 case QEMU_OPTION_kernel:
2627 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2628 break;
2629 case QEMU_OPTION_initrd:
2630 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2631 break;
2632 case QEMU_OPTION_append:
2633 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2634 break;
2635 case QEMU_OPTION_dtb:
2636 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2637 break;
2638 case QEMU_OPTION_cdrom:
2639 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2640 break;
2641 case QEMU_OPTION_boot:
2642 {
2643 static const char * const params[] = {
2644 "order", "once", "menu",
2645 "splash", "splash-time",
2646 "reboot-timeout", NULL
2647 };
2648 char buf[sizeof(boot_devices)];
2649 char *standard_boot_devices;
2650 int legacy = 0;
2651
2652 if (!strchr(optarg, '=')) {
2653 legacy = 1;
2654 pstrcpy(buf, sizeof(buf), optarg);
2655 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2656 fprintf(stderr,
2657 "qemu: unknown boot parameter '%s' in '%s'\n",
2658 buf, optarg);
2659 exit(1);
2660 }
2661
2662 if (legacy ||
2663 get_param_value(buf, sizeof(buf), "order", optarg)) {
2664 validate_bootdevices(buf);
2665 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2666 }
2667 if (!legacy) {
2668 if (get_param_value(buf, sizeof(buf),
2669 "once", optarg)) {
2670 validate_bootdevices(buf);
2671 standard_boot_devices = g_strdup(boot_devices);
2672 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2673 qemu_register_reset(restore_boot_devices,
2674 standard_boot_devices);
2675 }
2676 if (get_param_value(buf, sizeof(buf),
2677 "menu", optarg)) {
2678 if (!strcmp(buf, "on")) {
2679 boot_menu = 1;
2680 } else if (!strcmp(buf, "off")) {
2681 boot_menu = 0;
2682 } else {
2683 fprintf(stderr,
2684 "qemu: invalid option value '%s'\n",
2685 buf);
2686 exit(1);
2687 }
2688 }
2689 qemu_opts_parse(qemu_find_opts("boot-opts"),
2690 optarg, 0);
2691 }
2692 }
2693 break;
2694 case QEMU_OPTION_fda:
2695 case QEMU_OPTION_fdb:
2696 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2697 optarg, FD_OPTS);
2698 break;
2699 case QEMU_OPTION_no_fd_bootchk:
2700 fd_bootchk = 0;
2701 break;
2702 case QEMU_OPTION_netdev:
2703 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2704 exit(1);
2705 }
2706 break;
2707 case QEMU_OPTION_net:
2708 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2709 exit(1);
2710 }
2711 break;
2712 #ifdef CONFIG_LIBISCSI
2713 case QEMU_OPTION_iscsi:
2714 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2715 if (!opts) {
2716 exit(1);
2717 }
2718 break;
2719 #endif
2720 #ifdef CONFIG_SLIRP
2721 case QEMU_OPTION_tftp:
2722 legacy_tftp_prefix = optarg;
2723 break;
2724 case QEMU_OPTION_bootp:
2725 legacy_bootp_filename = optarg;
2726 break;
2727 case QEMU_OPTION_redir:
2728 if (net_slirp_redir(optarg) < 0)
2729 exit(1);
2730 break;
2731 #endif
2732 case QEMU_OPTION_bt:
2733 add_device_config(DEV_BT, optarg);
2734 break;
2735 case QEMU_OPTION_audio_help:
2736 if (!(audio_available())) {
2737 printf("Option %s not supported for this target\n", popt->name);
2738 exit(1);
2739 }
2740 AUD_help ();
2741 exit (0);
2742 break;
2743 case QEMU_OPTION_soundhw:
2744 if (!(audio_available())) {
2745 printf("Option %s not supported for this target\n", popt->name);
2746 exit(1);
2747 }
2748 select_soundhw (optarg);
2749 break;
2750 case QEMU_OPTION_h:
2751 help(0);
2752 break;
2753 case QEMU_OPTION_version:
2754 version();
2755 exit(0);
2756 break;
2757 case QEMU_OPTION_m: {
2758 int64_t value;
2759 uint64_t sz;
2760 char *end;
2761
2762 value = strtosz(optarg, &end);
2763 if (value < 0 || *end) {
2764 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2765 exit(1);
2766 }
2767 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2768 ram_size = sz;
2769 if (ram_size != sz) {
2770 fprintf(stderr, "qemu: ram size too large\n");
2771 exit(1);
2772 }
2773 break;
2774 }
2775 case QEMU_OPTION_mempath:
2776 mem_path = optarg;
2777 break;
2778 #ifdef MAP_POPULATE
2779 case QEMU_OPTION_mem_prealloc:
2780 mem_prealloc = 1;
2781 break;
2782 #endif
2783 case QEMU_OPTION_d:
2784 log_mask = optarg;
2785 break;
2786 case QEMU_OPTION_D:
2787 log_file = optarg;
2788 break;
2789 case QEMU_OPTION_s:
2790 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2791 break;
2792 case QEMU_OPTION_gdb:
2793 add_device_config(DEV_GDB, optarg);
2794 break;
2795 case QEMU_OPTION_L:
2796 data_dir = optarg;
2797 break;
2798 case QEMU_OPTION_bios:
2799 bios_name = optarg;
2800 break;
2801 case QEMU_OPTION_singlestep:
2802 singlestep = 1;
2803 break;
2804 case QEMU_OPTION_S:
2805 autostart = 0;
2806 break;
2807 case QEMU_OPTION_k:
2808 keyboard_layout = optarg;
2809 break;
2810 case QEMU_OPTION_localtime:
2811 rtc_utc = 0;
2812 break;
2813 case QEMU_OPTION_vga:
2814 vga_model = optarg;
2815 default_vga = 0;
2816 break;
2817 case QEMU_OPTION_g:
2818 {
2819 const char *p;
2820 int w, h, depth;
2821 p = optarg;
2822 w = strtol(p, (char **)&p, 10);
2823 if (w <= 0) {
2824 graphic_error:
2825 fprintf(stderr, "qemu: invalid resolution or depth\n");
2826 exit(1);
2827 }
2828 if (*p != 'x')
2829 goto graphic_error;
2830 p++;
2831 h = strtol(p, (char **)&p, 10);
2832 if (h <= 0)
2833 goto graphic_error;
2834 if (*p == 'x') {
2835 p++;
2836 depth = strtol(p, (char **)&p, 10);
2837 if (depth != 8 && depth != 15 && depth != 16 &&
2838 depth != 24 && depth != 32)
2839 goto graphic_error;
2840 } else if (*p == '\0') {
2841 depth = graphic_depth;
2842 } else {
2843 goto graphic_error;
2844 }
2845
2846 graphic_width = w;
2847 graphic_height = h;
2848 graphic_depth = depth;
2849 }
2850 break;
2851 case QEMU_OPTION_echr:
2852 {
2853 char *r;
2854 term_escape_char = strtol(optarg, &r, 0);
2855 if (r == optarg)
2856 printf("Bad argument to echr\n");
2857 break;
2858 }
2859 case QEMU_OPTION_monitor:
2860 monitor_parse(optarg, "readline");
2861 default_monitor = 0;
2862 break;
2863 case QEMU_OPTION_qmp:
2864 monitor_parse(optarg, "control");
2865 default_monitor = 0;
2866 break;
2867 case QEMU_OPTION_mon:
2868 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2869 if (!opts) {
2870 exit(1);
2871 }
2872 default_monitor = 0;
2873 break;
2874 case QEMU_OPTION_chardev:
2875 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2876 if (!opts) {
2877 exit(1);
2878 }
2879 break;
2880 case QEMU_OPTION_fsdev:
2881 olist = qemu_find_opts("fsdev");
2882 if (!olist) {
2883 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2884 exit(1);
2885 }
2886 opts = qemu_opts_parse(olist, optarg, 1);
2887 if (!opts) {
2888 fprintf(stderr, "parse error: %s\n", optarg);
2889 exit(1);
2890 }
2891 break;
2892 case QEMU_OPTION_virtfs: {
2893 QemuOpts *fsdev;
2894 QemuOpts *device;
2895 const char *writeout, *sock_fd, *socket;
2896
2897 olist = qemu_find_opts("virtfs");
2898 if (!olist) {
2899 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2900 exit(1);
2901 }
2902 opts = qemu_opts_parse(olist, optarg, 1);
2903 if (!opts) {
2904 fprintf(stderr, "parse error: %s\n", optarg);
2905 exit(1);
2906 }
2907
2908 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2909 qemu_opt_get(opts, "mount_tag") == NULL) {
2910 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2911 exit(1);
2912 }
2913 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2914 qemu_opt_get(opts, "mount_tag"),
2915 1, NULL);
2916 if (!fsdev) {
2917 fprintf(stderr, "duplicate fsdev id: %s\n",
2918 qemu_opt_get(opts, "mount_tag"));
2919 exit(1);
2920 }
2921
2922 writeout = qemu_opt_get(opts, "writeout");
2923 if (writeout) {
2924 #ifdef CONFIG_SYNC_FILE_RANGE
2925 qemu_opt_set(fsdev, "writeout", writeout);
2926 #else
2927 fprintf(stderr, "writeout=immediate not supported on "
2928 "this platform\n");
2929 exit(1);
2930 #endif
2931 }
2932 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2933 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2934 qemu_opt_set(fsdev, "security_model",
2935 qemu_opt_get(opts, "security_model"));
2936 socket = qemu_opt_get(opts, "socket");
2937 if (socket) {
2938 qemu_opt_set(fsdev, "socket", socket);
2939 }
2940 sock_fd = qemu_opt_get(opts, "sock_fd");
2941 if (sock_fd) {
2942 qemu_opt_set(fsdev, "sock_fd", sock_fd);
2943 }
2944
2945 qemu_opt_set_bool(fsdev, "readonly",
2946 qemu_opt_get_bool(opts, "readonly", 0));
2947 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2948 NULL);
2949 qemu_opt_set(device, "driver", "virtio-9p-pci");
2950 qemu_opt_set(device, "fsdev",
2951 qemu_opt_get(opts, "mount_tag"));
2952 qemu_opt_set(device, "mount_tag",
2953 qemu_opt_get(opts, "mount_tag"));
2954 break;
2955 }
2956 case QEMU_OPTION_virtfs_synth: {
2957 QemuOpts *fsdev;
2958 QemuOpts *device;
2959
2960 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
2961 1, NULL);
2962 if (!fsdev) {
2963 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2964 exit(1);
2965 }
2966 qemu_opt_set(fsdev, "fsdriver", "synth");
2967
2968 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2969 NULL);
2970 qemu_opt_set(device, "driver", "virtio-9p-pci");
2971 qemu_opt_set(device, "fsdev", "v_synth");
2972 qemu_opt_set(device, "mount_tag", "v_synth");
2973 break;
2974 }
2975 case QEMU_OPTION_serial:
2976 add_device_config(DEV_SERIAL, optarg);
2977 default_serial = 0;
2978 if (strncmp(optarg, "mon:", 4) == 0) {
2979 default_monitor = 0;
2980 }
2981 break;
2982 case QEMU_OPTION_watchdog:
2983 if (watchdog) {
2984 fprintf(stderr,
2985 "qemu: only one watchdog option may be given\n");
2986 return 1;
2987 }
2988 watchdog = optarg;
2989 break;
2990 case QEMU_OPTION_watchdog_action:
2991 if (select_watchdog_action(optarg) == -1) {
2992 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2993 exit(1);
2994 }
2995 break;
2996 case QEMU_OPTION_virtiocon:
2997 add_device_config(DEV_VIRTCON, optarg);
2998 default_virtcon = 0;
2999 if (strncmp(optarg, "mon:", 4) == 0) {
3000 default_monitor = 0;
3001 }
3002 break;
3003 case QEMU_OPTION_parallel:
3004 add_device_config(DEV_PARALLEL, optarg);
3005 default_parallel = 0;
3006 if (strncmp(optarg, "mon:", 4) == 0) {
3007 default_monitor = 0;
3008 }
3009 break;
3010 case QEMU_OPTION_debugcon:
3011 add_device_config(DEV_DEBUGCON, optarg);
3012 break;
3013 case QEMU_OPTION_loadvm:
3014 loadvm = optarg;
3015 break;
3016 case QEMU_OPTION_full_screen:
3017 full_screen = 1;
3018 break;
3019 #ifdef CONFIG_SDL
3020 case QEMU_OPTION_no_frame:
3021 no_frame = 1;
3022 break;
3023 case QEMU_OPTION_alt_grab:
3024 alt_grab = 1;
3025 break;
3026 case QEMU_OPTION_ctrl_grab:
3027 ctrl_grab = 1;
3028 break;
3029 case QEMU_OPTION_no_quit:
3030 no_quit = 1;
3031 break;
3032 case QEMU_OPTION_sdl:
3033 display_type = DT_SDL;
3034 break;
3035 #else
3036 case QEMU_OPTION_no_frame:
3037 case QEMU_OPTION_alt_grab:
3038 case QEMU_OPTION_ctrl_grab:
3039 case QEMU_OPTION_no_quit:
3040 case QEMU_OPTION_sdl:
3041 fprintf(stderr, "SDL support is disabled\n");
3042 exit(1);
3043 #endif
3044 case QEMU_OPTION_pidfile:
3045 pid_file = optarg;
3046 break;
3047 case QEMU_OPTION_win2k_hack:
3048 win2k_install_hack = 1;
3049 break;
3050 case QEMU_OPTION_rtc_td_hack: {
3051 static GlobalProperty slew_lost_ticks[] = {
3052 {
3053 .driver = "mc146818rtc",
3054 .property = "lost_tick_policy",
3055 .value = "slew",
3056 },
3057 { /* end of list */ }
3058 };
3059
3060 qdev_prop_register_global_list(slew_lost_ticks);
3061 break;
3062 }
3063 case QEMU_OPTION_acpitable:
3064 do_acpitable_option(optarg);
3065 break;
3066 case QEMU_OPTION_smbios:
3067 do_smbios_option(optarg);
3068 break;
3069 case QEMU_OPTION_enable_kvm:
3070 olist = qemu_find_opts("machine");
3071 qemu_opts_parse(olist, "accel=kvm", 0);
3072 break;
3073 case QEMU_OPTION_machine:
3074 olist = qemu_find_opts("machine");
3075 opts = qemu_opts_parse(olist, optarg, 1);
3076 if (!opts) {
3077 fprintf(stderr, "parse error: %s\n", optarg);
3078 exit(1);
3079 }
3080 optarg = qemu_opt_get(opts, "type");
3081 if (optarg) {
3082 machine = machine_parse(optarg);
3083 }
3084 break;
3085 case QEMU_OPTION_usb:
3086 usb_enabled = 1;
3087 break;
3088 case QEMU_OPTION_usbdevice:
3089 usb_enabled = 1;
3090 add_device_config(DEV_USB, optarg);
3091 break;
3092 case QEMU_OPTION_device:
3093 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3094 exit(1);
3095 }
3096 break;
3097 case QEMU_OPTION_smp:
3098 smp_parse(optarg);
3099 if (smp_cpus < 1) {
3100 fprintf(stderr, "Invalid number of CPUs\n");
3101 exit(1);
3102 }
3103 if (max_cpus < smp_cpus) {
3104 fprintf(stderr, "maxcpus must be equal to or greater than "
3105 "smp\n");
3106 exit(1);
3107 }
3108 if (max_cpus > 255) {
3109 fprintf(stderr, "Unsupported number of maxcpus\n");
3110 exit(1);
3111 }
3112 break;
3113 case QEMU_OPTION_vnc:
3114 #ifdef CONFIG_VNC
3115 display_remote++;
3116 vnc_display = optarg;
3117 #else
3118 fprintf(stderr, "VNC support is disabled\n");
3119 exit(1);
3120 #endif
3121 break;
3122 case QEMU_OPTION_no_acpi:
3123 acpi_enabled = 0;
3124 break;
3125 case QEMU_OPTION_no_hpet:
3126 no_hpet = 1;
3127 break;
3128 case QEMU_OPTION_balloon:
3129 if (balloon_parse(optarg) < 0) {
3130 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3131 exit(1);
3132 }
3133 break;
3134 case QEMU_OPTION_no_reboot:
3135 no_reboot = 1;
3136 break;
3137 case QEMU_OPTION_no_shutdown:
3138 no_shutdown = 1;
3139 break;
3140 case QEMU_OPTION_show_cursor:
3141 cursor_hide = 0;
3142 break;
3143 case QEMU_OPTION_uuid:
3144 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3145 fprintf(stderr, "Fail to parse UUID string."
3146 " Wrong format.\n");
3147 exit(1);
3148 }
3149 break;
3150 case QEMU_OPTION_option_rom:
3151 if (nb_option_roms >= MAX_OPTION_ROMS) {
3152 fprintf(stderr, "Too many option ROMs\n");
3153 exit(1);
3154 }
3155 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3156 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3157 option_rom[nb_option_roms].bootindex =
3158 qemu_opt_get_number(opts, "bootindex", -1);
3159 if (!option_rom[nb_option_roms].name) {
3160 fprintf(stderr, "Option ROM file is not specified\n");
3161 exit(1);
3162 }
3163 nb_option_roms++;
3164 break;
3165 case QEMU_OPTION_semihosting:
3166 semihosting_enabled = 1;
3167 break;
3168 case QEMU_OPTION_name:
3169 qemu_name = g_strdup(optarg);
3170 {
3171 char *p = strchr(qemu_name, ',');
3172 if (p != NULL) {
3173 *p++ = 0;
3174 if (strncmp(p, "process=", 8)) {
3175 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3176 exit(1);
3177 }
3178 p += 8;
3179 os_set_proc_name(p);
3180 }
3181 }
3182 break;
3183 case QEMU_OPTION_prom_env:
3184 if (nb_prom_envs >= MAX_PROM_ENVS) {
3185 fprintf(stderr, "Too many prom variables\n");
3186 exit(1);
3187 }
3188 prom_envs[nb_prom_envs] = optarg;
3189 nb_prom_envs++;
3190 break;
3191 case QEMU_OPTION_old_param:
3192 old_param = 1;
3193 break;
3194 case QEMU_OPTION_clock:
3195 configure_alarms(optarg);
3196 break;
3197 case QEMU_OPTION_startdate:
3198 configure_rtc_date_offset(optarg, 1);
3199 break;
3200 case QEMU_OPTION_rtc:
3201 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3202 if (!opts) {
3203 exit(1);
3204 }
3205 configure_rtc(opts);
3206 break;
3207 case QEMU_OPTION_tb_size:
3208 tcg_tb_size = strtol(optarg, NULL, 0);
3209 if (tcg_tb_size < 0) {
3210 tcg_tb_size = 0;
3211 }
3212 break;
3213 case QEMU_OPTION_icount:
3214 icount_option = optarg;
3215 break;
3216 case QEMU_OPTION_incoming:
3217 incoming = optarg;
3218 runstate_set(RUN_STATE_INMIGRATE);
3219 break;
3220 case QEMU_OPTION_nodefaults:
3221 default_serial = 0;
3222 default_parallel = 0;
3223 default_virtcon = 0;
3224 default_monitor = 0;
3225 default_net = 0;
3226 default_floppy = 0;
3227 default_cdrom = 0;
3228 default_sdcard = 0;
3229 default_vga = 0;
3230 break;
3231 case QEMU_OPTION_xen_domid:
3232 if (!(xen_available())) {
3233 printf("Option %s not supported for this target\n", popt->name);
3234 exit(1);
3235 }
3236 xen_domid = atoi(optarg);
3237 break;
3238 case QEMU_OPTION_xen_create:
3239 if (!(xen_available())) {
3240 printf("Option %s not supported for this target\n", popt->name);
3241 exit(1);
3242 }
3243 xen_mode = XEN_CREATE;
3244 break;
3245 case QEMU_OPTION_xen_attach:
3246 if (!(xen_available())) {
3247 printf("Option %s not supported for this target\n", popt->name);
3248 exit(1);
3249 }
3250 xen_mode = XEN_ATTACH;
3251 break;
3252 case QEMU_OPTION_trace:
3253 {
3254 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3255 if (!opts) {
3256 exit(1);
3257 }
3258 trace_events = qemu_opt_get(opts, "events");
3259 trace_file = qemu_opt_get(opts, "file");
3260 break;
3261 }
3262 case QEMU_OPTION_readconfig:
3263 {
3264 int ret = qemu_read_config_file(optarg);
3265 if (ret < 0) {
3266 fprintf(stderr, "read config %s: %s\n", optarg,
3267 strerror(-ret));
3268 exit(1);
3269 }
3270 break;
3271 }
3272 case QEMU_OPTION_spice:
3273 olist = qemu_find_opts("spice");
3274 if (!olist) {
3275 fprintf(stderr, "spice is not supported by this qemu build.\n");
3276 exit(1);
3277 }
3278 opts = qemu_opts_parse(olist, optarg, 0);
3279 if (!opts) {
3280 fprintf(stderr, "parse error: %s\n", optarg);
3281 exit(1);
3282 }
3283 break;
3284 case QEMU_OPTION_writeconfig:
3285 {
3286 FILE *fp;
3287 if (strcmp(optarg, "-") == 0) {
3288 fp = stdout;
3289 } else {
3290 fp = fopen(optarg, "w");
3291 if (fp == NULL) {
3292 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3293 exit(1);
3294 }
3295 }
3296 qemu_config_write(fp);
3297 fclose(fp);
3298 break;
3299 }
3300 case QEMU_OPTION_qtest:
3301 qtest_chrdev = optarg;
3302 break;
3303 case QEMU_OPTION_qtest_log:
3304 qtest_log = optarg;
3305 break;
3306 case QEMU_OPTION_sandbox:
3307 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3308 if (!opts) {
3309 exit(0);
3310 }
3311 break;
3312 default:
3313 os_parse_cmd_args(popt->index, optarg);
3314 }
3315 }
3316 }
3317 loc_set_none();
3318
3319 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3320 exit(1);
3321 }
3322
3323 if (machine == NULL) {
3324 fprintf(stderr, "No machine found.\n");
3325 exit(1);
3326 }
3327
3328 if (machine->hw_version) {
3329 qemu_set_version(machine->hw_version);
3330 }
3331
3332 /* Init CPU def lists, based on config
3333 * - Must be called after all the qemu_read_config_file() calls
3334 * - Must be called before list_cpus()
3335 * - Must be called before machine->init()
3336 */
3337 cpudef_init();
3338
3339 if (cpu_model && is_help_option(cpu_model)) {
3340 list_cpus(stdout, &fprintf, cpu_model);
3341 exit(0);
3342 }
3343
3344 /* Open the logfile at this point, if necessary. We can't open the logfile
3345 * when encountering either of the logging options (-d or -D) because the
3346 * other one may be encountered later on the command line, changing the
3347 * location or level of logging.
3348 */
3349 if (log_mask) {
3350 if (log_file) {
3351 set_cpu_log_filename(log_file);
3352 }
3353 set_cpu_log(log_mask);
3354 }
3355
3356 if (!trace_backend_init(trace_events, trace_file)) {
3357 exit(1);
3358 }
3359
3360 /* If no data_dir is specified then try to find it relative to the
3361 executable path. */
3362 if (!data_dir) {
3363 data_dir = os_find_datadir(argv[0]);
3364 }
3365 /* If all else fails use the install path specified when building. */
3366 if (!data_dir) {
3367 data_dir = CONFIG_QEMU_DATADIR;
3368 }
3369
3370 /*
3371 * Default to max_cpus = smp_cpus, in case the user doesn't
3372 * specify a max_cpus value.
3373 */
3374 if (!max_cpus)
3375 max_cpus = smp_cpus;
3376
3377 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3378 if (smp_cpus > machine->max_cpus) {
3379 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3380 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3381 machine->max_cpus);
3382 exit(1);
3383 }
3384
3385 /*
3386 * Get the default machine options from the machine if it is not already
3387 * specified either by the configuration file or by the command line.
3388 */
3389 if (machine->default_machine_opts) {
3390 qemu_opts_set_defaults(qemu_find_opts("machine"),
3391 machine->default_machine_opts, 0);
3392 }
3393
3394 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3395 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3396
3397 if (machine->no_serial) {
3398 default_serial = 0;
3399 }
3400 if (machine->no_parallel) {
3401 default_parallel = 0;
3402 }
3403 if (!machine->use_virtcon) {
3404 default_virtcon = 0;
3405 }
3406 if (machine->no_floppy) {
3407 default_floppy = 0;
3408 }
3409 if (machine->no_cdrom) {
3410 default_cdrom = 0;
3411 }
3412 if (machine->no_sdcard) {
3413 default_sdcard = 0;
3414 }
3415
3416 if (display_type == DT_NOGRAPHIC) {
3417 if (default_parallel)
3418 add_device_config(DEV_PARALLEL, "null");
3419 if (default_serial && default_monitor) {
3420 add_device_config(DEV_SERIAL, "mon:stdio");
3421 } else if (default_virtcon && default_monitor) {
3422 add_device_config(DEV_VIRTCON, "mon:stdio");
3423 } else {
3424 if (default_serial)
3425 add_device_config(DEV_SERIAL, "stdio");
3426 if (default_virtcon)
3427 add_device_config(DEV_VIRTCON, "stdio");
3428 if (default_monitor)
3429 monitor_parse("stdio", "readline");
3430 }
3431 } else {
3432 if (default_serial)
3433 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3434 if (default_parallel)
3435 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3436 if (default_monitor)
3437 monitor_parse("vc:80Cx24C", "readline");
3438 if (default_virtcon)
3439 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3440 }
3441
3442 socket_init();
3443
3444 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3445 exit(1);
3446 #ifdef CONFIG_VIRTFS
3447 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3448 exit(1);
3449 }
3450 #endif
3451
3452 os_daemonize();
3453
3454 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3455 os_pidfile_error();
3456 exit(1);
3457 }
3458
3459 /* init the memory */
3460 if (ram_size == 0) {
3461 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3462 }
3463
3464 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3465 != 0) {
3466 exit(0);
3467 }
3468
3469 configure_accelerator();
3470
3471 qemu_init_cpu_loop();
3472 if (qemu_init_main_loop()) {
3473 fprintf(stderr, "qemu_init_main_loop failed\n");
3474 exit(1);
3475 }
3476
3477 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3478 if (machine_opts) {
3479 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3480 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3481 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3482 } else {
3483 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3484 }
3485
3486 if (!kernel_cmdline) {
3487 kernel_cmdline = "";
3488 }
3489
3490 linux_boot = (kernel_filename != NULL);
3491
3492 if (!linux_boot && *kernel_cmdline != '\0') {
3493 fprintf(stderr, "-append only allowed with -kernel option\n");
3494 exit(1);
3495 }
3496
3497 if (!linux_boot && initrd_filename != NULL) {
3498 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3499 exit(1);
3500 }
3501
3502 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3503 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3504 exit(1);
3505 }
3506
3507 os_set_line_buffering();
3508
3509 if (init_timer_alarm() < 0) {
3510 fprintf(stderr, "could not initialize alarm timer\n");
3511 exit(1);
3512 }
3513
3514 #ifdef CONFIG_SPICE
3515 /* spice needs the timers to be initialized by this point */
3516 qemu_spice_init();
3517 #endif
3518
3519 if (icount_option && (kvm_enabled() || xen_enabled())) {
3520 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3521 exit(1);
3522 }
3523 configure_icount(icount_option);
3524
3525 if (net_init_clients() < 0) {
3526 exit(1);
3527 }
3528
3529 /* init the bluetooth world */
3530 if (foreach_device_config(DEV_BT, bt_parse))
3531 exit(1);
3532
3533 if (!xen_enabled()) {
3534 /* On 32-bit hosts, QEMU is limited by virtual address space */
3535 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3536 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3537 exit(1);
3538 }
3539 }
3540
3541 cpu_exec_init_all();
3542
3543 bdrv_init_with_whitelist();
3544
3545 blk_mig_init();
3546
3547 /* open the virtual block devices */
3548 if (snapshot)
3549 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3550 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3551 exit(1);
3552
3553 default_drive(default_cdrom, snapshot, machine->use_scsi,
3554 IF_DEFAULT, 2, CDROM_OPTS);
3555 default_drive(default_floppy, snapshot, machine->use_scsi,
3556 IF_FLOPPY, 0, FD_OPTS);
3557 default_drive(default_sdcard, snapshot, machine->use_scsi,
3558 IF_SD, 0, SD_OPTS);
3559
3560 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3561
3562 if (nb_numa_nodes > 0) {
3563 int i;
3564
3565 if (nb_numa_nodes > MAX_NODES) {
3566 nb_numa_nodes = MAX_NODES;
3567 }
3568
3569 /* If no memory size if given for any node, assume the default case
3570 * and distribute the available memory equally across all nodes
3571 */
3572 for (i = 0; i < nb_numa_nodes; i++) {
3573 if (node_mem[i] != 0)
3574 break;
3575 }
3576 if (i == nb_numa_nodes) {
3577 uint64_t usedmem = 0;
3578
3579 /* On Linux, the each node's border has to be 8MB aligned,
3580 * the final node gets the rest.
3581 */
3582 for (i = 0; i < nb_numa_nodes - 1; i++) {
3583 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3584 usedmem += node_mem[i];
3585 }
3586 node_mem[i] = ram_size - usedmem;
3587 }
3588
3589 for (i = 0; i < nb_numa_nodes; i++) {
3590 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3591 break;
3592 }
3593 }
3594 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3595 * must cope with this anyway, because there are BIOSes out there in
3596 * real machines which also use this scheme.
3597 */
3598 if (i == nb_numa_nodes) {
3599 for (i = 0; i < max_cpus; i++) {
3600 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3601 }
3602 }
3603 }
3604
3605 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3606 exit(1);
3607 }
3608
3609 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3610 exit(1);
3611 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3612 exit(1);
3613 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3614 exit(1);
3615 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3616 exit(1);
3617
3618 /* If no default VGA is requested, the default is "none". */
3619 if (default_vga) {
3620 if (cirrus_vga_available()) {
3621 vga_model = "cirrus";
3622 } else if (vga_available()) {
3623 vga_model = "std";
3624 }
3625 }
3626 select_vgahw(vga_model);
3627
3628 if (watchdog) {
3629 i = select_watchdog(watchdog);
3630 if (i > 0)
3631 exit (i == 1 ? 1 : 0);
3632 }
3633
3634 if (machine->compat_props) {
3635 qdev_prop_register_global_list(machine->compat_props);
3636 }
3637 qemu_add_globals();
3638
3639 qdev_machine_init();
3640
3641 QEMUMachineInitArgs args = { .ram_size = ram_size,
3642 .boot_device = boot_devices,
3643 .kernel_filename = kernel_filename,
3644 .kernel_cmdline = kernel_cmdline,
3645 .initrd_filename = initrd_filename,
3646 .cpu_model = cpu_model };
3647 machine->init(&args);
3648
3649 cpu_synchronize_all_post_init();
3650
3651 set_numa_modes();
3652
3653 current_machine = machine;
3654
3655 /* init USB devices */
3656 if (usb_enabled) {
3657 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3658 exit(1);
3659 }
3660
3661 /* init generic devices */
3662 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3663 exit(1);
3664
3665 net_check_clients();
3666
3667 /* just use the first displaystate for the moment */
3668 ds = get_displaystate();
3669
3670 if (using_spice)
3671 display_remote++;
3672 if (display_type == DT_DEFAULT && !display_remote) {
3673 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3674 display_type = DT_SDL;
3675 #elif defined(CONFIG_VNC)
3676 vnc_display = "localhost:0,to=99";
3677 show_vnc_port = 1;
3678 #else
3679 display_type = DT_NONE;
3680 #endif
3681 }
3682
3683
3684 /* init local displays */
3685 switch (display_type) {
3686 case DT_NOGRAPHIC:
3687 break;
3688 #if defined(CONFIG_CURSES)
3689 case DT_CURSES:
3690 if (!is_daemonized()) {
3691 curses_display_init(ds, full_screen);
3692 }
3693 break;
3694 #endif
3695 #if defined(CONFIG_SDL)
3696 case DT_SDL:
3697 sdl_display_init(ds, full_screen, no_frame);
3698 break;
3699 #elif defined(CONFIG_COCOA)
3700 case DT_SDL:
3701 cocoa_display_init(ds, full_screen);
3702 break;
3703 #endif
3704 default:
3705 break;
3706 }
3707
3708 /* must be after terminal init, SDL library changes signal handlers */
3709 os_setup_signal_handling();
3710
3711 #ifdef CONFIG_VNC
3712 /* init remote displays */
3713 if (vnc_display) {
3714 vnc_display_init(ds);
3715 if (vnc_display_open(ds, vnc_display) < 0) {
3716 fprintf(stderr, "Failed to start VNC server on `%s'\n",
3717 vnc_display);
3718 exit(1);
3719 }
3720
3721 if (show_vnc_port) {
3722 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3723 }
3724 }
3725 #endif
3726 #ifdef CONFIG_SPICE
3727 if (using_spice && !qxl_enabled) {
3728 qemu_spice_display_init(ds);
3729 }
3730 #endif
3731
3732 /* display setup */
3733 dpy_resize(ds);
3734 dcl = ds->listeners;
3735 while (dcl != NULL) {
3736 if (dcl->dpy_refresh != NULL) {
3737 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3738 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3739 break;
3740 }
3741 dcl = dcl->next;
3742 }
3743 text_consoles_set_display(ds);
3744
3745 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3746 exit(1);
3747 }
3748
3749 qdev_machine_creation_done();
3750
3751 if (rom_load_all() != 0) {
3752 fprintf(stderr, "rom loading failed\n");
3753 exit(1);
3754 }
3755
3756 /* TODO: once all bus devices are qdevified, this should be done
3757 * when bus is created by qdev.c */
3758 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3759 qemu_run_machine_init_done_notifiers();
3760
3761 qemu_system_reset(VMRESET_SILENT);
3762 if (loadvm) {
3763 if (load_vmstate(loadvm) < 0) {
3764 autostart = 0;
3765 }
3766 }
3767
3768 if (incoming) {
3769 Error *errp = NULL;
3770 int ret = qemu_start_incoming_migration(incoming, &errp);
3771 if (ret < 0) {
3772 if (error_is_set(&errp)) {
3773 fprintf(stderr, "Migrate: %s\n", error_get_pretty(errp));
3774 error_free(errp);
3775 }
3776 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3777 incoming, ret);
3778 exit(ret);
3779 }
3780 } else if (autostart) {
3781 vm_start();
3782 }
3783
3784 os_setup_post();
3785
3786 resume_all_vcpus();
3787 main_loop();
3788 bdrv_close_all();
3789 pause_all_vcpus();
3790 net_cleanup();
3791 res_free();
3792
3793 return 0;
3794 }
Qemu with PowerPC KVM improvements