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[qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31 #include "bitmap.h"
32
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
35
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66
67 #ifdef CONFIG_SECCOMP
68 #include "qemu-seccomp.h"
69 #endif
70
71 #ifdef __sun__
72 #include <sys/stat.h>
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
81 #include <net/if.h>
82 #include <syslog.h>
83 #include <stropts.h>
84 #endif
85 #endif
86 #endif
87
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
90 #endif
91
92 #ifdef _WIN32
93 #include <windows.h>
94 #endif
95
96 #ifdef CONFIG_SDL
97 #if defined(__APPLE__) || defined(main)
98 #include <SDL.h>
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
101 {
102 return qemu_main(argc, argv, NULL);
103 }
104 #undef main
105 #define main qemu_main
106 #endif
107 #endif /* CONFIG_SDL */
108
109 #ifdef CONFIG_COCOA
110 #undef main
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
113
114 #include <glib.h>
115
116 #include "hw/hw.h"
117 #include "hw/boards.h"
118 #include "hw/usb.h"
119 #include "hw/pcmcia.h"
120 #include "hw/pc.h"
121 #include "hw/isa.h"
122 #include "hw/baum.h"
123 #include "hw/bt.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
126 #include "hw/xen.h"
127 #include "hw/qdev.h"
128 #include "hw/loader.h"
129 #include "bt-host.h"
130 #include "net.h"
131 #include "net/slirp.h"
132 #include "monitor.h"
133 #include "console.h"
134 #include "sysemu.h"
135 #include "gdbstub.h"
136 #include "qemu-timer.h"
137 #include "qemu-char.h"
138 #include "cache-utils.h"
139 #include "blockdev.h"
140 #include "hw/block-common.h"
141 #include "block-migration.h"
142 #include "dma.h"
143 #include "audio/audio.h"
144 #include "migration.h"
145 #include "kvm.h"
146 #include "qjson.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "main-loop.h"
152 #ifdef CONFIG_VIRTFS
153 #include "fsdev/qemu-fsdev.h"
154 #endif
155 #include "qtest.h"
156
157 #include "disas.h"
158
159 #include "qemu_socket.h"
160
161 #include "slirp/libslirp.h"
162
163 #include "trace.h"
164 #include "trace/control.h"
165 #include "qemu-queue.h"
166 #include "cpus.h"
167 #include "arch_init.h"
168 #include "osdep.h"
169
170 #include "ui/qemu-spice.h"
171
172 //#define DEBUG_NET
173 //#define DEBUG_SLIRP
174
175 #define DEFAULT_RAM_SIZE 128
176
177 #define MAX_VIRTIO_CONSOLES 1
178
179 static const char *data_dir;
180 const char *bios_name = NULL;
181 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
182 DisplayType display_type = DT_DEFAULT;
183 int display_remote = 0;
184 const char* keyboard_layout = NULL;
185 ram_addr_t ram_size;
186 const char *mem_path = NULL;
187 #ifdef MAP_POPULATE
188 int mem_prealloc = 0; /* force preallocation of physical target memory */
189 #endif
190 int nb_nics;
191 NICInfo nd_table[MAX_NICS];
192 int autostart;
193 static int rtc_utc = 1;
194 static int rtc_date_offset = -1; /* -1 means no change */
195 QEMUClock *rtc_clock;
196 int vga_interface_type = VGA_NONE;
197 static int full_screen = 0;
198 #ifdef CONFIG_SDL
199 static int no_frame = 0;
200 #endif
201 int no_quit = 0;
202 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
203 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
204 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
205 int win2k_install_hack = 0;
206 int singlestep = 0;
207 int smp_cpus = 1;
208 int max_cpus = 0;
209 int smp_cores = 1;
210 int smp_threads = 1;
211 #ifdef CONFIG_VNC
212 const char *vnc_display;
213 #endif
214 int acpi_enabled = 1;
215 int no_hpet = 0;
216 int fd_bootchk = 1;
217 int no_reboot = 0;
218 int no_shutdown = 0;
219 int cursor_hide = 1;
220 int graphic_rotate = 0;
221 const char *watchdog;
222 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
223 int nb_option_roms;
224 int semihosting_enabled = 0;
225 int old_param = 0;
226 const char *qemu_name;
227 int alt_grab = 0;
228 int ctrl_grab = 0;
229 unsigned int nb_prom_envs = 0;
230 const char *prom_envs[MAX_PROM_ENVS];
231 int boot_menu;
232 uint8_t *boot_splash_filedata;
233 int boot_splash_filedata_size;
234 uint8_t qemu_extra_params_fw[2];
235
236 typedef struct FWBootEntry FWBootEntry;
237
238 struct FWBootEntry {
239 QTAILQ_ENTRY(FWBootEntry) link;
240 int32_t bootindex;
241 DeviceState *dev;
242 char *suffix;
243 };
244
245 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
246
247 int nb_numa_nodes;
248 uint64_t node_mem[MAX_NODES];
249 unsigned long *node_cpumask[MAX_NODES];
250
251 uint8_t qemu_uuid[16];
252
253 static QEMUBootSetHandler *boot_set_handler;
254 static void *boot_set_opaque;
255
256 static NotifierList exit_notifiers =
257 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
258
259 static NotifierList machine_init_done_notifiers =
260 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
261
262 static int tcg_allowed = 1;
263 int kvm_allowed = 0;
264 int xen_allowed = 0;
265 uint32_t xen_domid;
266 enum xen_mode xen_mode = XEN_EMULATE;
267 static int tcg_tb_size;
268
269 static int default_serial = 1;
270 static int default_parallel = 1;
271 static int default_virtcon = 1;
272 static int default_monitor = 1;
273 static int default_floppy = 1;
274 static int default_cdrom = 1;
275 static int default_sdcard = 1;
276 static int default_vga = 1;
277
278 static struct {
279 const char *driver;
280 int *flag;
281 } default_list[] = {
282 { .driver = "isa-serial", .flag = &default_serial },
283 { .driver = "isa-parallel", .flag = &default_parallel },
284 { .driver = "isa-fdc", .flag = &default_floppy },
285 { .driver = "ide-cd", .flag = &default_cdrom },
286 { .driver = "ide-hd", .flag = &default_cdrom },
287 { .driver = "ide-drive", .flag = &default_cdrom },
288 { .driver = "scsi-cd", .flag = &default_cdrom },
289 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
290 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
291 { .driver = "virtio-serial", .flag = &default_virtcon },
292 { .driver = "VGA", .flag = &default_vga },
293 { .driver = "isa-vga", .flag = &default_vga },
294 { .driver = "cirrus-vga", .flag = &default_vga },
295 { .driver = "isa-cirrus-vga", .flag = &default_vga },
296 { .driver = "vmware-svga", .flag = &default_vga },
297 { .driver = "qxl-vga", .flag = &default_vga },
298 };
299
300 const char *qemu_get_vm_name(void)
301 {
302 return qemu_name;
303 }
304
305 static void res_free(void)
306 {
307 if (boot_splash_filedata != NULL) {
308 g_free(boot_splash_filedata);
309 boot_splash_filedata = NULL;
310 }
311 }
312
313 static int default_driver_check(QemuOpts *opts, void *opaque)
314 {
315 const char *driver = qemu_opt_get(opts, "driver");
316 int i;
317
318 if (!driver)
319 return 0;
320 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
321 if (strcmp(default_list[i].driver, driver) != 0)
322 continue;
323 *(default_list[i].flag) = 0;
324 }
325 return 0;
326 }
327
328 /***********************************************************/
329 /* QEMU state */
330
331 static RunState current_run_state = RUN_STATE_PRELAUNCH;
332
333 typedef struct {
334 RunState from;
335 RunState to;
336 } RunStateTransition;
337
338 static const RunStateTransition runstate_transitions_def[] = {
339 /* from -> to */
340 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
341
342 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
343 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
344
345 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
346 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
347
348 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
349 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
350
351 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
352 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
353
354 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
355 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
356
357 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
358 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
359 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
360
361 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
362 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
363
364 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
365
366 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
367 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
368 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
369 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
370 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
371 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
372 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
373 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
374 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
375
376 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
377
378 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
379 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
380
381 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
382 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
383 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
384 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
385
386 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
387 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
388
389 { RUN_STATE_MAX, RUN_STATE_MAX },
390 };
391
392 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
393
394 bool runstate_check(RunState state)
395 {
396 return current_run_state == state;
397 }
398
399 void runstate_init(void)
400 {
401 const RunStateTransition *p;
402
403 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
404
405 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
406 runstate_valid_transitions[p->from][p->to] = true;
407 }
408 }
409
410 /* This function will abort() on invalid state transitions */
411 void runstate_set(RunState new_state)
412 {
413 assert(new_state < RUN_STATE_MAX);
414
415 if (!runstate_valid_transitions[current_run_state][new_state]) {
416 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
417 RunState_lookup[current_run_state],
418 RunState_lookup[new_state]);
419 abort();
420 }
421
422 current_run_state = new_state;
423 }
424
425 int runstate_is_running(void)
426 {
427 return runstate_check(RUN_STATE_RUNNING);
428 }
429
430 StatusInfo *qmp_query_status(Error **errp)
431 {
432 StatusInfo *info = g_malloc0(sizeof(*info));
433
434 info->running = runstate_is_running();
435 info->singlestep = singlestep;
436 info->status = current_run_state;
437
438 return info;
439 }
440
441 /***********************************************************/
442 /* real time host monotonic timer */
443
444 /***********************************************************/
445 /* host time/date access */
446 void qemu_get_timedate(struct tm *tm, int offset)
447 {
448 time_t ti;
449 struct tm *ret;
450
451 time(&ti);
452 ti += offset;
453 if (rtc_date_offset == -1) {
454 if (rtc_utc)
455 ret = gmtime(&ti);
456 else
457 ret = localtime(&ti);
458 } else {
459 ti -= rtc_date_offset;
460 ret = gmtime(&ti);
461 }
462
463 memcpy(tm, ret, sizeof(struct tm));
464 }
465
466 int qemu_timedate_diff(struct tm *tm)
467 {
468 time_t seconds;
469
470 if (rtc_date_offset == -1)
471 if (rtc_utc)
472 seconds = mktimegm(tm);
473 else {
474 struct tm tmp = *tm;
475 tmp.tm_isdst = -1; /* use timezone to figure it out */
476 seconds = mktime(&tmp);
477 }
478 else
479 seconds = mktimegm(tm) + rtc_date_offset;
480
481 return seconds - time(NULL);
482 }
483
484 void rtc_change_mon_event(struct tm *tm)
485 {
486 QObject *data;
487
488 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
489 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
490 qobject_decref(data);
491 }
492
493 static void configure_rtc_date_offset(const char *startdate, int legacy)
494 {
495 time_t rtc_start_date;
496 struct tm tm;
497
498 if (!strcmp(startdate, "now") && legacy) {
499 rtc_date_offset = -1;
500 } else {
501 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
502 &tm.tm_year,
503 &tm.tm_mon,
504 &tm.tm_mday,
505 &tm.tm_hour,
506 &tm.tm_min,
507 &tm.tm_sec) == 6) {
508 /* OK */
509 } else if (sscanf(startdate, "%d-%d-%d",
510 &tm.tm_year,
511 &tm.tm_mon,
512 &tm.tm_mday) == 3) {
513 tm.tm_hour = 0;
514 tm.tm_min = 0;
515 tm.tm_sec = 0;
516 } else {
517 goto date_fail;
518 }
519 tm.tm_year -= 1900;
520 tm.tm_mon--;
521 rtc_start_date = mktimegm(&tm);
522 if (rtc_start_date == -1) {
523 date_fail:
524 fprintf(stderr, "Invalid date format. Valid formats are:\n"
525 "'2006-06-17T16:01:21' or '2006-06-17'\n");
526 exit(1);
527 }
528 rtc_date_offset = time(NULL) - rtc_start_date;
529 }
530 }
531
532 static void configure_rtc(QemuOpts *opts)
533 {
534 const char *value;
535
536 value = qemu_opt_get(opts, "base");
537 if (value) {
538 if (!strcmp(value, "utc")) {
539 rtc_utc = 1;
540 } else if (!strcmp(value, "localtime")) {
541 rtc_utc = 0;
542 } else {
543 configure_rtc_date_offset(value, 0);
544 }
545 }
546 value = qemu_opt_get(opts, "clock");
547 if (value) {
548 if (!strcmp(value, "host")) {
549 rtc_clock = host_clock;
550 } else if (!strcmp(value, "rt")) {
551 rtc_clock = rt_clock;
552 } else if (!strcmp(value, "vm")) {
553 rtc_clock = vm_clock;
554 } else {
555 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
556 exit(1);
557 }
558 }
559 value = qemu_opt_get(opts, "driftfix");
560 if (value) {
561 if (!strcmp(value, "slew")) {
562 static GlobalProperty slew_lost_ticks[] = {
563 {
564 .driver = "mc146818rtc",
565 .property = "lost_tick_policy",
566 .value = "slew",
567 },
568 { /* end of list */ }
569 };
570
571 qdev_prop_register_global_list(slew_lost_ticks);
572 } else if (!strcmp(value, "none")) {
573 /* discard is default */
574 } else {
575 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
576 exit(1);
577 }
578 }
579 }
580
581 /***********************************************************/
582 /* Bluetooth support */
583 static int nb_hcis;
584 static int cur_hci;
585 static struct HCIInfo *hci_table[MAX_NICS];
586
587 static struct bt_vlan_s {
588 struct bt_scatternet_s net;
589 int id;
590 struct bt_vlan_s *next;
591 } *first_bt_vlan;
592
593 /* find or alloc a new bluetooth "VLAN" */
594 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
595 {
596 struct bt_vlan_s **pvlan, *vlan;
597 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
598 if (vlan->id == id)
599 return &vlan->net;
600 }
601 vlan = g_malloc0(sizeof(struct bt_vlan_s));
602 vlan->id = id;
603 pvlan = &first_bt_vlan;
604 while (*pvlan != NULL)
605 pvlan = &(*pvlan)->next;
606 *pvlan = vlan;
607 return &vlan->net;
608 }
609
610 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
611 {
612 }
613
614 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
615 {
616 return -ENOTSUP;
617 }
618
619 static struct HCIInfo null_hci = {
620 .cmd_send = null_hci_send,
621 .sco_send = null_hci_send,
622 .acl_send = null_hci_send,
623 .bdaddr_set = null_hci_addr_set,
624 };
625
626 struct HCIInfo *qemu_next_hci(void)
627 {
628 if (cur_hci == nb_hcis)
629 return &null_hci;
630
631 return hci_table[cur_hci++];
632 }
633
634 static struct HCIInfo *hci_init(const char *str)
635 {
636 char *endp;
637 struct bt_scatternet_s *vlan = 0;
638
639 if (!strcmp(str, "null"))
640 /* null */
641 return &null_hci;
642 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
643 /* host[:hciN] */
644 return bt_host_hci(str[4] ? str + 5 : "hci0");
645 else if (!strncmp(str, "hci", 3)) {
646 /* hci[,vlan=n] */
647 if (str[3]) {
648 if (!strncmp(str + 3, ",vlan=", 6)) {
649 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
650 if (*endp)
651 vlan = 0;
652 }
653 } else
654 vlan = qemu_find_bt_vlan(0);
655 if (vlan)
656 return bt_new_hci(vlan);
657 }
658
659 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
660
661 return 0;
662 }
663
664 static int bt_hci_parse(const char *str)
665 {
666 struct HCIInfo *hci;
667 bdaddr_t bdaddr;
668
669 if (nb_hcis >= MAX_NICS) {
670 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
671 return -1;
672 }
673
674 hci = hci_init(str);
675 if (!hci)
676 return -1;
677
678 bdaddr.b[0] = 0x52;
679 bdaddr.b[1] = 0x54;
680 bdaddr.b[2] = 0x00;
681 bdaddr.b[3] = 0x12;
682 bdaddr.b[4] = 0x34;
683 bdaddr.b[5] = 0x56 + nb_hcis;
684 hci->bdaddr_set(hci, bdaddr.b);
685
686 hci_table[nb_hcis++] = hci;
687
688 return 0;
689 }
690
691 static void bt_vhci_add(int vlan_id)
692 {
693 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
694
695 if (!vlan->slave)
696 fprintf(stderr, "qemu: warning: adding a VHCI to "
697 "an empty scatternet %i\n", vlan_id);
698
699 bt_vhci_init(bt_new_hci(vlan));
700 }
701
702 static struct bt_device_s *bt_device_add(const char *opt)
703 {
704 struct bt_scatternet_s *vlan;
705 int vlan_id = 0;
706 char *endp = strstr(opt, ",vlan=");
707 int len = (endp ? endp - opt : strlen(opt)) + 1;
708 char devname[10];
709
710 pstrcpy(devname, MIN(sizeof(devname), len), opt);
711
712 if (endp) {
713 vlan_id = strtol(endp + 6, &endp, 0);
714 if (*endp) {
715 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
716 return 0;
717 }
718 }
719
720 vlan = qemu_find_bt_vlan(vlan_id);
721
722 if (!vlan->slave)
723 fprintf(stderr, "qemu: warning: adding a slave device to "
724 "an empty scatternet %i\n", vlan_id);
725
726 if (!strcmp(devname, "keyboard"))
727 return bt_keyboard_init(vlan);
728
729 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
730 return 0;
731 }
732
733 static int bt_parse(const char *opt)
734 {
735 const char *endp, *p;
736 int vlan;
737
738 if (strstart(opt, "hci", &endp)) {
739 if (!*endp || *endp == ',') {
740 if (*endp)
741 if (!strstart(endp, ",vlan=", 0))
742 opt = endp + 1;
743
744 return bt_hci_parse(opt);
745 }
746 } else if (strstart(opt, "vhci", &endp)) {
747 if (!*endp || *endp == ',') {
748 if (*endp) {
749 if (strstart(endp, ",vlan=", &p)) {
750 vlan = strtol(p, (char **) &endp, 0);
751 if (*endp) {
752 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
753 return 1;
754 }
755 } else {
756 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
757 return 1;
758 }
759 } else
760 vlan = 0;
761
762 bt_vhci_add(vlan);
763 return 0;
764 }
765 } else if (strstart(opt, "device:", &endp))
766 return !bt_device_add(endp);
767
768 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
769 return 1;
770 }
771
772 static int parse_sandbox(QemuOpts *opts, void *opaque)
773 {
774 /* FIXME: change this to true for 1.3 */
775 if (qemu_opt_get_bool(opts, "enable", false)) {
776 #ifdef CONFIG_SECCOMP
777 if (seccomp_start() < 0) {
778 qerror_report(ERROR_CLASS_GENERIC_ERROR,
779 "failed to install seccomp syscall filter in the kernel");
780 return -1;
781 }
782 #else
783 qerror_report(ERROR_CLASS_GENERIC_ERROR,
784 "sandboxing request but seccomp is not compiled into this build");
785 return -1;
786 #endif
787 }
788
789 return 0;
790 }
791
792 /*********QEMU USB setting******/
793 bool usb_enabled(bool default_usb)
794 {
795 QemuOpts *mach_opts;
796 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
797 if (mach_opts) {
798 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
799 }
800 return default_usb;
801 }
802
803 #ifndef _WIN32
804 static int parse_add_fd(QemuOpts *opts, void *opaque)
805 {
806 int fd, dupfd, flags;
807 int64_t fdset_id;
808 const char *fd_opaque = NULL;
809
810 fd = qemu_opt_get_number(opts, "fd", -1);
811 fdset_id = qemu_opt_get_number(opts, "set", -1);
812 fd_opaque = qemu_opt_get(opts, "opaque");
813
814 if (fd < 0) {
815 qerror_report(ERROR_CLASS_GENERIC_ERROR,
816 "fd option is required and must be non-negative");
817 return -1;
818 }
819
820 if (fd <= STDERR_FILENO) {
821 qerror_report(ERROR_CLASS_GENERIC_ERROR,
822 "fd cannot be a standard I/O stream");
823 return -1;
824 }
825
826 /*
827 * All fds inherited across exec() necessarily have FD_CLOEXEC
828 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
829 */
830 flags = fcntl(fd, F_GETFD);
831 if (flags == -1 || (flags & FD_CLOEXEC)) {
832 qerror_report(ERROR_CLASS_GENERIC_ERROR,
833 "fd is not valid or already in use");
834 return -1;
835 }
836
837 if (fdset_id < 0) {
838 qerror_report(ERROR_CLASS_GENERIC_ERROR,
839 "set option is required and must be non-negative");
840 return -1;
841 }
842
843 #ifdef F_DUPFD_CLOEXEC
844 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
845 #else
846 dupfd = dup(fd);
847 if (dupfd != -1) {
848 qemu_set_cloexec(dupfd);
849 }
850 #endif
851 if (dupfd == -1) {
852 qerror_report(ERROR_CLASS_GENERIC_ERROR,
853 "Error duplicating fd: %s", strerror(errno));
854 return -1;
855 }
856
857 /* add the duplicate fd, and optionally the opaque string, to the fd set */
858 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
859 fd_opaque, NULL);
860
861 return 0;
862 }
863
864 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
865 {
866 int fd;
867
868 fd = qemu_opt_get_number(opts, "fd", -1);
869 close(fd);
870
871 return 0;
872 }
873 #endif
874
875 /***********************************************************/
876 /* QEMU Block devices */
877
878 #define HD_OPTS "media=disk"
879 #define CDROM_OPTS "media=cdrom"
880 #define FD_OPTS ""
881 #define PFLASH_OPTS ""
882 #define MTD_OPTS ""
883 #define SD_OPTS ""
884
885 static int drive_init_func(QemuOpts *opts, void *opaque)
886 {
887 int *use_scsi = opaque;
888
889 return drive_init(opts, *use_scsi) == NULL;
890 }
891
892 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
893 {
894 if (NULL == qemu_opt_get(opts, "snapshot")) {
895 qemu_opt_set(opts, "snapshot", "on");
896 }
897 return 0;
898 }
899
900 static void default_drive(int enable, int snapshot, int use_scsi,
901 BlockInterfaceType type, int index,
902 const char *optstr)
903 {
904 QemuOpts *opts;
905
906 if (type == IF_DEFAULT) {
907 type = use_scsi ? IF_SCSI : IF_IDE;
908 }
909
910 if (!enable || drive_get_by_index(type, index)) {
911 return;
912 }
913
914 opts = drive_add(type, index, NULL, optstr);
915 if (snapshot) {
916 drive_enable_snapshot(opts, NULL);
917 }
918 if (!drive_init(opts, use_scsi)) {
919 exit(1);
920 }
921 }
922
923 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
924 {
925 boot_set_handler = func;
926 boot_set_opaque = opaque;
927 }
928
929 int qemu_boot_set(const char *boot_devices)
930 {
931 if (!boot_set_handler) {
932 return -EINVAL;
933 }
934 return boot_set_handler(boot_set_opaque, boot_devices);
935 }
936
937 static void validate_bootdevices(char *devices)
938 {
939 /* We just do some generic consistency checks */
940 const char *p;
941 int bitmap = 0;
942
943 for (p = devices; *p != '\0'; p++) {
944 /* Allowed boot devices are:
945 * a-b: floppy disk drives
946 * c-f: IDE disk drives
947 * g-m: machine implementation dependent drives
948 * n-p: network devices
949 * It's up to each machine implementation to check if the given boot
950 * devices match the actual hardware implementation and firmware
951 * features.
952 */
953 if (*p < 'a' || *p > 'p') {
954 fprintf(stderr, "Invalid boot device '%c'\n", *p);
955 exit(1);
956 }
957 if (bitmap & (1 << (*p - 'a'))) {
958 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
959 exit(1);
960 }
961 bitmap |= 1 << (*p - 'a');
962 }
963 }
964
965 static void restore_boot_devices(void *opaque)
966 {
967 char *standard_boot_devices = opaque;
968 static int first = 1;
969
970 /* Restore boot order and remove ourselves after the first boot */
971 if (first) {
972 first = 0;
973 return;
974 }
975
976 qemu_boot_set(standard_boot_devices);
977
978 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
979 g_free(standard_boot_devices);
980 }
981
982 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
983 const char *suffix)
984 {
985 FWBootEntry *node, *i;
986
987 if (bootindex < 0) {
988 return;
989 }
990
991 assert(dev != NULL || suffix != NULL);
992
993 node = g_malloc0(sizeof(FWBootEntry));
994 node->bootindex = bootindex;
995 node->suffix = suffix ? g_strdup(suffix) : NULL;
996 node->dev = dev;
997
998 QTAILQ_FOREACH(i, &fw_boot_order, link) {
999 if (i->bootindex == bootindex) {
1000 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1001 exit(1);
1002 } else if (i->bootindex < bootindex) {
1003 continue;
1004 }
1005 QTAILQ_INSERT_BEFORE(i, node, link);
1006 return;
1007 }
1008 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1009 }
1010
1011 /*
1012 * This function returns null terminated string that consist of new line
1013 * separated device paths.
1014 *
1015 * memory pointed by "size" is assigned total length of the array in bytes
1016 *
1017 */
1018 char *get_boot_devices_list(uint32_t *size)
1019 {
1020 FWBootEntry *i;
1021 uint32_t total = 0;
1022 char *list = NULL;
1023
1024 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1025 char *devpath = NULL, *bootpath;
1026 int len;
1027
1028 if (i->dev) {
1029 devpath = qdev_get_fw_dev_path(i->dev);
1030 assert(devpath);
1031 }
1032
1033 if (i->suffix && devpath) {
1034 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1035
1036 bootpath = g_malloc(bootpathlen);
1037 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1038 g_free(devpath);
1039 } else if (devpath) {
1040 bootpath = devpath;
1041 } else {
1042 assert(i->suffix);
1043 bootpath = g_strdup(i->suffix);
1044 }
1045
1046 if (total) {
1047 list[total-1] = '\n';
1048 }
1049 len = strlen(bootpath) + 1;
1050 list = g_realloc(list, total + len);
1051 memcpy(&list[total], bootpath, len);
1052 total += len;
1053 g_free(bootpath);
1054 }
1055
1056 *size = total;
1057
1058 return list;
1059 }
1060
1061 static void numa_add(const char *optarg)
1062 {
1063 char option[128];
1064 char *endptr;
1065 unsigned long long value, endvalue;
1066 int nodenr;
1067
1068 value = endvalue = 0ULL;
1069
1070 optarg = get_opt_name(option, 128, optarg, ',') + 1;
1071 if (!strcmp(option, "node")) {
1072 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1073 nodenr = nb_numa_nodes;
1074 } else {
1075 nodenr = strtoull(option, NULL, 10);
1076 }
1077
1078 if (get_param_value(option, 128, "mem", optarg) == 0) {
1079 node_mem[nodenr] = 0;
1080 } else {
1081 int64_t sval;
1082 sval = strtosz(option, &endptr);
1083 if (sval < 0 || *endptr) {
1084 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1085 exit(1);
1086 }
1087 node_mem[nodenr] = sval;
1088 }
1089 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1090 value = strtoull(option, &endptr, 10);
1091 if (*endptr == '-') {
1092 endvalue = strtoull(endptr+1, &endptr, 10);
1093 } else {
1094 endvalue = value;
1095 }
1096
1097 if (!(endvalue < MAX_CPUMASK_BITS)) {
1098 endvalue = MAX_CPUMASK_BITS - 1;
1099 fprintf(stderr,
1100 "A max of %d CPUs are supported in a guest\n",
1101 MAX_CPUMASK_BITS);
1102 }
1103
1104 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1105 }
1106 nb_numa_nodes++;
1107 }
1108 }
1109
1110 static void smp_parse(const char *optarg)
1111 {
1112 int smp, sockets = 0, threads = 0, cores = 0;
1113 char *endptr;
1114 char option[128];
1115
1116 smp = strtoul(optarg, &endptr, 10);
1117 if (endptr != optarg) {
1118 if (*endptr == ',') {
1119 endptr++;
1120 }
1121 }
1122 if (get_param_value(option, 128, "sockets", endptr) != 0)
1123 sockets = strtoull(option, NULL, 10);
1124 if (get_param_value(option, 128, "cores", endptr) != 0)
1125 cores = strtoull(option, NULL, 10);
1126 if (get_param_value(option, 128, "threads", endptr) != 0)
1127 threads = strtoull(option, NULL, 10);
1128 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1129 max_cpus = strtoull(option, NULL, 10);
1130
1131 /* compute missing values, prefer sockets over cores over threads */
1132 if (smp == 0 || sockets == 0) {
1133 sockets = sockets > 0 ? sockets : 1;
1134 cores = cores > 0 ? cores : 1;
1135 threads = threads > 0 ? threads : 1;
1136 if (smp == 0) {
1137 smp = cores * threads * sockets;
1138 }
1139 } else {
1140 if (cores == 0) {
1141 threads = threads > 0 ? threads : 1;
1142 cores = smp / (sockets * threads);
1143 } else {
1144 threads = smp / (cores * sockets);
1145 }
1146 }
1147 smp_cpus = smp;
1148 smp_cores = cores > 0 ? cores : 1;
1149 smp_threads = threads > 0 ? threads : 1;
1150 if (max_cpus == 0)
1151 max_cpus = smp_cpus;
1152 }
1153
1154 /***********************************************************/
1155 /* USB devices */
1156
1157 static int usb_device_add(const char *devname)
1158 {
1159 const char *p;
1160 USBDevice *dev = NULL;
1161
1162 if (!usb_enabled(false)) {
1163 return -1;
1164 }
1165
1166 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1167 dev = usbdevice_create(devname);
1168 if (dev)
1169 goto done;
1170
1171 /* the other ones */
1172 #ifndef CONFIG_LINUX
1173 /* only the linux version is qdev-ified, usb-bsd still needs this */
1174 if (strstart(devname, "host:", &p)) {
1175 dev = usb_host_device_open(usb_bus_find(-1), p);
1176 } else
1177 #endif
1178 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1179 dev = usb_bt_init(usb_bus_find(-1),
1180 devname[2] ? hci_init(p)
1181 : bt_new_hci(qemu_find_bt_vlan(0)));
1182 } else {
1183 return -1;
1184 }
1185 if (!dev)
1186 return -1;
1187
1188 done:
1189 return 0;
1190 }
1191
1192 static int usb_device_del(const char *devname)
1193 {
1194 int bus_num, addr;
1195 const char *p;
1196
1197 if (strstart(devname, "host:", &p))
1198 return usb_host_device_close(p);
1199
1200 if (!usb_enabled(false)) {
1201 return -1;
1202 }
1203
1204 p = strchr(devname, '.');
1205 if (!p)
1206 return -1;
1207 bus_num = strtoul(devname, NULL, 0);
1208 addr = strtoul(p + 1, NULL, 0);
1209
1210 return usb_device_delete_addr(bus_num, addr);
1211 }
1212
1213 static int usb_parse(const char *cmdline)
1214 {
1215 int r;
1216 r = usb_device_add(cmdline);
1217 if (r < 0) {
1218 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1219 }
1220 return r;
1221 }
1222
1223 void do_usb_add(Monitor *mon, const QDict *qdict)
1224 {
1225 const char *devname = qdict_get_str(qdict, "devname");
1226 if (usb_device_add(devname) < 0) {
1227 error_report("could not add USB device '%s'", devname);
1228 }
1229 }
1230
1231 void do_usb_del(Monitor *mon, const QDict *qdict)
1232 {
1233 const char *devname = qdict_get_str(qdict, "devname");
1234 if (usb_device_del(devname) < 0) {
1235 error_report("could not delete USB device '%s'", devname);
1236 }
1237 }
1238
1239 /***********************************************************/
1240 /* PCMCIA/Cardbus */
1241
1242 static struct pcmcia_socket_entry_s {
1243 PCMCIASocket *socket;
1244 struct pcmcia_socket_entry_s *next;
1245 } *pcmcia_sockets = 0;
1246
1247 void pcmcia_socket_register(PCMCIASocket *socket)
1248 {
1249 struct pcmcia_socket_entry_s *entry;
1250
1251 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1252 entry->socket = socket;
1253 entry->next = pcmcia_sockets;
1254 pcmcia_sockets = entry;
1255 }
1256
1257 void pcmcia_socket_unregister(PCMCIASocket *socket)
1258 {
1259 struct pcmcia_socket_entry_s *entry, **ptr;
1260
1261 ptr = &pcmcia_sockets;
1262 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1263 if (entry->socket == socket) {
1264 *ptr = entry->next;
1265 g_free(entry);
1266 }
1267 }
1268
1269 void pcmcia_info(Monitor *mon)
1270 {
1271 struct pcmcia_socket_entry_s *iter;
1272
1273 if (!pcmcia_sockets)
1274 monitor_printf(mon, "No PCMCIA sockets\n");
1275
1276 for (iter = pcmcia_sockets; iter; iter = iter->next)
1277 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1278 iter->socket->attached ? iter->socket->card_string :
1279 "Empty");
1280 }
1281
1282 /***********************************************************/
1283 /* machine registration */
1284
1285 static QEMUMachine *first_machine = NULL;
1286 QEMUMachine *current_machine = NULL;
1287
1288 int qemu_register_machine(QEMUMachine *m)
1289 {
1290 QEMUMachine **pm;
1291 pm = &first_machine;
1292 while (*pm != NULL)
1293 pm = &(*pm)->next;
1294 m->next = NULL;
1295 *pm = m;
1296 return 0;
1297 }
1298
1299 static QEMUMachine *find_machine(const char *name)
1300 {
1301 QEMUMachine *m;
1302
1303 for(m = first_machine; m != NULL; m = m->next) {
1304 if (!strcmp(m->name, name))
1305 return m;
1306 if (m->alias && !strcmp(m->alias, name))
1307 return m;
1308 }
1309 return NULL;
1310 }
1311
1312 QEMUMachine *find_default_machine(void)
1313 {
1314 QEMUMachine *m;
1315
1316 for(m = first_machine; m != NULL; m = m->next) {
1317 if (m->is_default) {
1318 return m;
1319 }
1320 }
1321 return NULL;
1322 }
1323
1324 MachineInfoList *qmp_query_machines(Error **errp)
1325 {
1326 MachineInfoList *mach_list = NULL;
1327 QEMUMachine *m;
1328
1329 for (m = first_machine; m; m = m->next) {
1330 MachineInfoList *entry;
1331 MachineInfo *info;
1332
1333 info = g_malloc0(sizeof(*info));
1334 if (m->is_default) {
1335 info->has_is_default = true;
1336 info->is_default = true;
1337 }
1338
1339 if (m->alias) {
1340 info->has_alias = true;
1341 info->alias = g_strdup(m->alias);
1342 }
1343
1344 info->name = g_strdup(m->name);
1345
1346 entry = g_malloc0(sizeof(*entry));
1347 entry->value = info;
1348 entry->next = mach_list;
1349 mach_list = entry;
1350 }
1351
1352 return mach_list;
1353 }
1354
1355 /***********************************************************/
1356 /* main execution loop */
1357
1358 static void gui_update(void *opaque)
1359 {
1360 uint64_t interval = GUI_REFRESH_INTERVAL;
1361 DisplayState *ds = opaque;
1362 DisplayChangeListener *dcl;
1363
1364 dpy_refresh(ds);
1365
1366 QLIST_FOREACH(dcl, &ds->listeners, next) {
1367 if (dcl->gui_timer_interval &&
1368 dcl->gui_timer_interval < interval)
1369 interval = dcl->gui_timer_interval;
1370 }
1371 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1372 }
1373
1374 void gui_setup_refresh(DisplayState *ds)
1375 {
1376 DisplayChangeListener *dcl;
1377 bool need_timer = false;
1378
1379 QLIST_FOREACH(dcl, &ds->listeners, next) {
1380 if (dcl->dpy_refresh != NULL) {
1381 need_timer = true;
1382 break;
1383 }
1384 }
1385
1386 if (need_timer && ds->gui_timer == NULL) {
1387 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
1388 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
1389 }
1390 if (!need_timer && ds->gui_timer != NULL) {
1391 qemu_del_timer(ds->gui_timer);
1392 qemu_free_timer(ds->gui_timer);
1393 ds->gui_timer = NULL;
1394 }
1395 }
1396
1397 struct vm_change_state_entry {
1398 VMChangeStateHandler *cb;
1399 void *opaque;
1400 QLIST_ENTRY (vm_change_state_entry) entries;
1401 };
1402
1403 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1404
1405 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1406 void *opaque)
1407 {
1408 VMChangeStateEntry *e;
1409
1410 e = g_malloc0(sizeof (*e));
1411
1412 e->cb = cb;
1413 e->opaque = opaque;
1414 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1415 return e;
1416 }
1417
1418 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1419 {
1420 QLIST_REMOVE (e, entries);
1421 g_free (e);
1422 }
1423
1424 void vm_state_notify(int running, RunState state)
1425 {
1426 VMChangeStateEntry *e;
1427
1428 trace_vm_state_notify(running, state);
1429
1430 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1431 e->cb(e->opaque, running, state);
1432 }
1433 }
1434
1435 void vm_start(void)
1436 {
1437 if (!runstate_is_running()) {
1438 cpu_enable_ticks();
1439 runstate_set(RUN_STATE_RUNNING);
1440 vm_state_notify(1, RUN_STATE_RUNNING);
1441 resume_all_vcpus();
1442 monitor_protocol_event(QEVENT_RESUME, NULL);
1443 }
1444 }
1445
1446 /* reset/shutdown handler */
1447
1448 typedef struct QEMUResetEntry {
1449 QTAILQ_ENTRY(QEMUResetEntry) entry;
1450 QEMUResetHandler *func;
1451 void *opaque;
1452 } QEMUResetEntry;
1453
1454 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1455 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1456 static int reset_requested;
1457 static int shutdown_requested, shutdown_signal = -1;
1458 static pid_t shutdown_pid;
1459 static int powerdown_requested;
1460 static int debug_requested;
1461 static int suspend_requested;
1462 static int wakeup_requested;
1463 static NotifierList powerdown_notifiers =
1464 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1465 static NotifierList suspend_notifiers =
1466 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1467 static NotifierList wakeup_notifiers =
1468 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1469 static uint32_t wakeup_reason_mask = ~0;
1470 static RunState vmstop_requested = RUN_STATE_MAX;
1471
1472 int qemu_shutdown_requested_get(void)
1473 {
1474 return shutdown_requested;
1475 }
1476
1477 int qemu_reset_requested_get(void)
1478 {
1479 return reset_requested;
1480 }
1481
1482 int qemu_shutdown_requested(void)
1483 {
1484 int r = shutdown_requested;
1485 shutdown_requested = 0;
1486 return r;
1487 }
1488
1489 void qemu_kill_report(void)
1490 {
1491 if (!qtest_enabled() && shutdown_signal != -1) {
1492 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1493 if (shutdown_pid == 0) {
1494 /* This happens for eg ^C at the terminal, so it's worth
1495 * avoiding printing an odd message in that case.
1496 */
1497 fputc('\n', stderr);
1498 } else {
1499 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1500 }
1501 shutdown_signal = -1;
1502 }
1503 }
1504
1505 int qemu_reset_requested(void)
1506 {
1507 int r = reset_requested;
1508 reset_requested = 0;
1509 return r;
1510 }
1511
1512 static int qemu_suspend_requested(void)
1513 {
1514 int r = suspend_requested;
1515 suspend_requested = 0;
1516 return r;
1517 }
1518
1519 static int qemu_wakeup_requested(void)
1520 {
1521 int r = wakeup_requested;
1522 wakeup_requested = 0;
1523 return r;
1524 }
1525
1526 int qemu_powerdown_requested(void)
1527 {
1528 int r = powerdown_requested;
1529 powerdown_requested = 0;
1530 return r;
1531 }
1532
1533 static int qemu_debug_requested(void)
1534 {
1535 int r = debug_requested;
1536 debug_requested = 0;
1537 return r;
1538 }
1539
1540 /* We use RUN_STATE_MAX but any invalid value will do */
1541 static bool qemu_vmstop_requested(RunState *r)
1542 {
1543 if (vmstop_requested < RUN_STATE_MAX) {
1544 *r = vmstop_requested;
1545 vmstop_requested = RUN_STATE_MAX;
1546 return true;
1547 }
1548
1549 return false;
1550 }
1551
1552 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1553 {
1554 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1555
1556 re->func = func;
1557 re->opaque = opaque;
1558 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1559 }
1560
1561 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1562 {
1563 QEMUResetEntry *re;
1564
1565 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1566 if (re->func == func && re->opaque == opaque) {
1567 QTAILQ_REMOVE(&reset_handlers, re, entry);
1568 g_free(re);
1569 return;
1570 }
1571 }
1572 }
1573
1574 void qemu_devices_reset(void)
1575 {
1576 QEMUResetEntry *re, *nre;
1577
1578 /* reset all devices */
1579 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1580 re->func(re->opaque);
1581 }
1582 }
1583
1584 void qemu_system_reset(bool report)
1585 {
1586 if (current_machine && current_machine->reset) {
1587 current_machine->reset();
1588 } else {
1589 qemu_devices_reset();
1590 }
1591 if (report) {
1592 monitor_protocol_event(QEVENT_RESET, NULL);
1593 }
1594 cpu_synchronize_all_post_reset();
1595 }
1596
1597 void qemu_system_reset_request(void)
1598 {
1599 if (no_reboot) {
1600 shutdown_requested = 1;
1601 } else {
1602 reset_requested = 1;
1603 }
1604 cpu_stop_current();
1605 qemu_notify_event();
1606 }
1607
1608 static void qemu_system_suspend(void)
1609 {
1610 pause_all_vcpus();
1611 notifier_list_notify(&suspend_notifiers, NULL);
1612 runstate_set(RUN_STATE_SUSPENDED);
1613 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1614 }
1615
1616 void qemu_system_suspend_request(void)
1617 {
1618 if (runstate_check(RUN_STATE_SUSPENDED)) {
1619 return;
1620 }
1621 suspend_requested = 1;
1622 cpu_stop_current();
1623 qemu_notify_event();
1624 }
1625
1626 void qemu_register_suspend_notifier(Notifier *notifier)
1627 {
1628 notifier_list_add(&suspend_notifiers, notifier);
1629 }
1630
1631 void qemu_system_wakeup_request(WakeupReason reason)
1632 {
1633 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1634 return;
1635 }
1636 if (!(wakeup_reason_mask & (1 << reason))) {
1637 return;
1638 }
1639 runstate_set(RUN_STATE_RUNNING);
1640 notifier_list_notify(&wakeup_notifiers, &reason);
1641 wakeup_requested = 1;
1642 qemu_notify_event();
1643 }
1644
1645 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1646 {
1647 if (enabled) {
1648 wakeup_reason_mask |= (1 << reason);
1649 } else {
1650 wakeup_reason_mask &= ~(1 << reason);
1651 }
1652 }
1653
1654 void qemu_register_wakeup_notifier(Notifier *notifier)
1655 {
1656 notifier_list_add(&wakeup_notifiers, notifier);
1657 }
1658
1659 void qemu_system_killed(int signal, pid_t pid)
1660 {
1661 shutdown_signal = signal;
1662 shutdown_pid = pid;
1663 no_shutdown = 0;
1664 qemu_system_shutdown_request();
1665 }
1666
1667 void qemu_system_shutdown_request(void)
1668 {
1669 shutdown_requested = 1;
1670 qemu_notify_event();
1671 }
1672
1673 static void qemu_system_powerdown(void)
1674 {
1675 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1676 notifier_list_notify(&powerdown_notifiers, NULL);
1677 }
1678
1679 void qemu_system_powerdown_request(void)
1680 {
1681 powerdown_requested = 1;
1682 qemu_notify_event();
1683 }
1684
1685 void qemu_register_powerdown_notifier(Notifier *notifier)
1686 {
1687 notifier_list_add(&powerdown_notifiers, notifier);
1688 }
1689
1690 void qemu_system_debug_request(void)
1691 {
1692 debug_requested = 1;
1693 qemu_notify_event();
1694 }
1695
1696 void qemu_system_vmstop_request(RunState state)
1697 {
1698 vmstop_requested = state;
1699 qemu_notify_event();
1700 }
1701
1702 static bool main_loop_should_exit(void)
1703 {
1704 RunState r;
1705 if (qemu_debug_requested()) {
1706 vm_stop(RUN_STATE_DEBUG);
1707 }
1708 if (qemu_suspend_requested()) {
1709 qemu_system_suspend();
1710 }
1711 if (qemu_shutdown_requested()) {
1712 qemu_kill_report();
1713 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1714 if (no_shutdown) {
1715 vm_stop(RUN_STATE_SHUTDOWN);
1716 } else {
1717 return true;
1718 }
1719 }
1720 if (qemu_reset_requested()) {
1721 pause_all_vcpus();
1722 cpu_synchronize_all_states();
1723 qemu_system_reset(VMRESET_REPORT);
1724 resume_all_vcpus();
1725 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1726 runstate_check(RUN_STATE_SHUTDOWN)) {
1727 runstate_set(RUN_STATE_PAUSED);
1728 }
1729 }
1730 if (qemu_wakeup_requested()) {
1731 pause_all_vcpus();
1732 cpu_synchronize_all_states();
1733 qemu_system_reset(VMRESET_SILENT);
1734 resume_all_vcpus();
1735 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1736 }
1737 if (qemu_powerdown_requested()) {
1738 qemu_system_powerdown();
1739 }
1740 if (qemu_vmstop_requested(&r)) {
1741 vm_stop(r);
1742 }
1743 return false;
1744 }
1745
1746 static void main_loop(void)
1747 {
1748 bool nonblocking;
1749 int last_io = 0;
1750 #ifdef CONFIG_PROFILER
1751 int64_t ti;
1752 #endif
1753 do {
1754 nonblocking = !kvm_enabled() && last_io > 0;
1755 #ifdef CONFIG_PROFILER
1756 ti = profile_getclock();
1757 #endif
1758 last_io = main_loop_wait(nonblocking);
1759 #ifdef CONFIG_PROFILER
1760 dev_time += profile_getclock() - ti;
1761 #endif
1762 } while (!main_loop_should_exit());
1763 }
1764
1765 static void version(void)
1766 {
1767 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1768 }
1769
1770 static void help(int exitcode)
1771 {
1772 version();
1773 printf("usage: %s [options] [disk_image]\n\n"
1774 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1775 error_get_progname());
1776
1777 #define QEMU_OPTIONS_GENERATE_HELP
1778 #include "qemu-options-wrapper.h"
1779
1780 printf("\nDuring emulation, the following keys are useful:\n"
1781 "ctrl-alt-f toggle full screen\n"
1782 "ctrl-alt-n switch to virtual console 'n'\n"
1783 "ctrl-alt toggle mouse and keyboard grab\n"
1784 "\n"
1785 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1786
1787 exit(exitcode);
1788 }
1789
1790 #define HAS_ARG 0x0001
1791
1792 typedef struct QEMUOption {
1793 const char *name;
1794 int flags;
1795 int index;
1796 uint32_t arch_mask;
1797 } QEMUOption;
1798
1799 static const QEMUOption qemu_options[] = {
1800 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1801 #define QEMU_OPTIONS_GENERATE_OPTIONS
1802 #include "qemu-options-wrapper.h"
1803 { NULL },
1804 };
1805
1806 static bool vga_available(void)
1807 {
1808 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1809 }
1810
1811 static bool cirrus_vga_available(void)
1812 {
1813 return object_class_by_name("cirrus-vga")
1814 || object_class_by_name("isa-cirrus-vga");
1815 }
1816
1817 static bool vmware_vga_available(void)
1818 {
1819 return object_class_by_name("vmware-svga");
1820 }
1821
1822 static bool qxl_vga_available(void)
1823 {
1824 return object_class_by_name("qxl-vga");
1825 }
1826
1827 static void select_vgahw (const char *p)
1828 {
1829 const char *opts;
1830
1831 vga_interface_type = VGA_NONE;
1832 if (strstart(p, "std", &opts)) {
1833 if (vga_available()) {
1834 vga_interface_type = VGA_STD;
1835 } else {
1836 fprintf(stderr, "Error: standard VGA not available\n");
1837 exit(0);
1838 }
1839 } else if (strstart(p, "cirrus", &opts)) {
1840 if (cirrus_vga_available()) {
1841 vga_interface_type = VGA_CIRRUS;
1842 } else {
1843 fprintf(stderr, "Error: Cirrus VGA not available\n");
1844 exit(0);
1845 }
1846 } else if (strstart(p, "vmware", &opts)) {
1847 if (vmware_vga_available()) {
1848 vga_interface_type = VGA_VMWARE;
1849 } else {
1850 fprintf(stderr, "Error: VMWare SVGA not available\n");
1851 exit(0);
1852 }
1853 } else if (strstart(p, "xenfb", &opts)) {
1854 vga_interface_type = VGA_XENFB;
1855 } else if (strstart(p, "qxl", &opts)) {
1856 if (qxl_vga_available()) {
1857 vga_interface_type = VGA_QXL;
1858 } else {
1859 fprintf(stderr, "Error: QXL VGA not available\n");
1860 exit(0);
1861 }
1862 } else if (!strstart(p, "none", &opts)) {
1863 invalid_vga:
1864 fprintf(stderr, "Unknown vga type: %s\n", p);
1865 exit(1);
1866 }
1867 while (*opts) {
1868 const char *nextopt;
1869
1870 if (strstart(opts, ",retrace=", &nextopt)) {
1871 opts = nextopt;
1872 if (strstart(opts, "dumb", &nextopt))
1873 vga_retrace_method = VGA_RETRACE_DUMB;
1874 else if (strstart(opts, "precise", &nextopt))
1875 vga_retrace_method = VGA_RETRACE_PRECISE;
1876 else goto invalid_vga;
1877 } else goto invalid_vga;
1878 opts = nextopt;
1879 }
1880 }
1881
1882 static DisplayType select_display(const char *p)
1883 {
1884 const char *opts;
1885 DisplayType display = DT_DEFAULT;
1886
1887 if (strstart(p, "sdl", &opts)) {
1888 #ifdef CONFIG_SDL
1889 display = DT_SDL;
1890 while (*opts) {
1891 const char *nextopt;
1892
1893 if (strstart(opts, ",frame=", &nextopt)) {
1894 opts = nextopt;
1895 if (strstart(opts, "on", &nextopt)) {
1896 no_frame = 0;
1897 } else if (strstart(opts, "off", &nextopt)) {
1898 no_frame = 1;
1899 } else {
1900 goto invalid_sdl_args;
1901 }
1902 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1903 opts = nextopt;
1904 if (strstart(opts, "on", &nextopt)) {
1905 alt_grab = 1;
1906 } else if (strstart(opts, "off", &nextopt)) {
1907 alt_grab = 0;
1908 } else {
1909 goto invalid_sdl_args;
1910 }
1911 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1912 opts = nextopt;
1913 if (strstart(opts, "on", &nextopt)) {
1914 ctrl_grab = 1;
1915 } else if (strstart(opts, "off", &nextopt)) {
1916 ctrl_grab = 0;
1917 } else {
1918 goto invalid_sdl_args;
1919 }
1920 } else if (strstart(opts, ",window_close=", &nextopt)) {
1921 opts = nextopt;
1922 if (strstart(opts, "on", &nextopt)) {
1923 no_quit = 0;
1924 } else if (strstart(opts, "off", &nextopt)) {
1925 no_quit = 1;
1926 } else {
1927 goto invalid_sdl_args;
1928 }
1929 } else {
1930 invalid_sdl_args:
1931 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1932 exit(1);
1933 }
1934 opts = nextopt;
1935 }
1936 #else
1937 fprintf(stderr, "SDL support is disabled\n");
1938 exit(1);
1939 #endif
1940 } else if (strstart(p, "vnc", &opts)) {
1941 #ifdef CONFIG_VNC
1942 display_remote++;
1943
1944 if (*opts) {
1945 const char *nextopt;
1946
1947 if (strstart(opts, "=", &nextopt)) {
1948 vnc_display = nextopt;
1949 }
1950 }
1951 if (!vnc_display) {
1952 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1953 exit(1);
1954 }
1955 #else
1956 fprintf(stderr, "VNC support is disabled\n");
1957 exit(1);
1958 #endif
1959 } else if (strstart(p, "curses", &opts)) {
1960 #ifdef CONFIG_CURSES
1961 display = DT_CURSES;
1962 #else
1963 fprintf(stderr, "Curses support is disabled\n");
1964 exit(1);
1965 #endif
1966 } else if (strstart(p, "none", &opts)) {
1967 display = DT_NONE;
1968 } else {
1969 fprintf(stderr, "Unknown display type: %s\n", p);
1970 exit(1);
1971 }
1972
1973 return display;
1974 }
1975
1976 static int balloon_parse(const char *arg)
1977 {
1978 QemuOpts *opts;
1979
1980 if (strcmp(arg, "none") == 0) {
1981 return 0;
1982 }
1983
1984 if (!strncmp(arg, "virtio", 6)) {
1985 if (arg[6] == ',') {
1986 /* have params -> parse them */
1987 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1988 if (!opts)
1989 return -1;
1990 } else {
1991 /* create empty opts */
1992 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1993 }
1994 qemu_opt_set(opts, "driver", "virtio-balloon");
1995 return 0;
1996 }
1997
1998 return -1;
1999 }
2000
2001 char *qemu_find_file(int type, const char *name)
2002 {
2003 int len;
2004 const char *subdir;
2005 char *buf;
2006
2007 /* Try the name as a straight path first */
2008 if (access(name, R_OK) == 0) {
2009 return g_strdup(name);
2010 }
2011 switch (type) {
2012 case QEMU_FILE_TYPE_BIOS:
2013 subdir = "";
2014 break;
2015 case QEMU_FILE_TYPE_KEYMAP:
2016 subdir = "keymaps/";
2017 break;
2018 default:
2019 abort();
2020 }
2021 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2022 buf = g_malloc0(len);
2023 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2024 if (access(buf, R_OK)) {
2025 g_free(buf);
2026 return NULL;
2027 }
2028 return buf;
2029 }
2030
2031 static int device_help_func(QemuOpts *opts, void *opaque)
2032 {
2033 return qdev_device_help(opts);
2034 }
2035
2036 static int device_init_func(QemuOpts *opts, void *opaque)
2037 {
2038 DeviceState *dev;
2039
2040 dev = qdev_device_add(opts);
2041 if (!dev)
2042 return -1;
2043 return 0;
2044 }
2045
2046 static int chardev_init_func(QemuOpts *opts, void *opaque)
2047 {
2048 CharDriverState *chr;
2049
2050 chr = qemu_chr_new_from_opts(opts, NULL);
2051 if (!chr)
2052 return -1;
2053 return 0;
2054 }
2055
2056 #ifdef CONFIG_VIRTFS
2057 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2058 {
2059 int ret;
2060 ret = qemu_fsdev_add(opts);
2061
2062 return ret;
2063 }
2064 #endif
2065
2066 static int mon_init_func(QemuOpts *opts, void *opaque)
2067 {
2068 CharDriverState *chr;
2069 const char *chardev;
2070 const char *mode;
2071 int flags;
2072
2073 mode = qemu_opt_get(opts, "mode");
2074 if (mode == NULL) {
2075 mode = "readline";
2076 }
2077 if (strcmp(mode, "readline") == 0) {
2078 flags = MONITOR_USE_READLINE;
2079 } else if (strcmp(mode, "control") == 0) {
2080 flags = MONITOR_USE_CONTROL;
2081 } else {
2082 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2083 exit(1);
2084 }
2085
2086 if (qemu_opt_get_bool(opts, "pretty", 0))
2087 flags |= MONITOR_USE_PRETTY;
2088
2089 if (qemu_opt_get_bool(opts, "default", 0))
2090 flags |= MONITOR_IS_DEFAULT;
2091
2092 chardev = qemu_opt_get(opts, "chardev");
2093 chr = qemu_chr_find(chardev);
2094 if (chr == NULL) {
2095 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2096 exit(1);
2097 }
2098
2099 monitor_init(chr, flags);
2100 return 0;
2101 }
2102
2103 static void monitor_parse(const char *optarg, const char *mode)
2104 {
2105 static int monitor_device_index = 0;
2106 QemuOpts *opts;
2107 const char *p;
2108 char label[32];
2109 int def = 0;
2110
2111 if (strstart(optarg, "chardev:", &p)) {
2112 snprintf(label, sizeof(label), "%s", p);
2113 } else {
2114 snprintf(label, sizeof(label), "compat_monitor%d",
2115 monitor_device_index);
2116 if (monitor_device_index == 0) {
2117 def = 1;
2118 }
2119 opts = qemu_chr_parse_compat(label, optarg);
2120 if (!opts) {
2121 fprintf(stderr, "parse error: %s\n", optarg);
2122 exit(1);
2123 }
2124 }
2125
2126 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2127 if (!opts) {
2128 fprintf(stderr, "duplicate chardev: %s\n", label);
2129 exit(1);
2130 }
2131 qemu_opt_set(opts, "mode", mode);
2132 qemu_opt_set(opts, "chardev", label);
2133 if (def)
2134 qemu_opt_set(opts, "default", "on");
2135 monitor_device_index++;
2136 }
2137
2138 struct device_config {
2139 enum {
2140 DEV_USB, /* -usbdevice */
2141 DEV_BT, /* -bt */
2142 DEV_SERIAL, /* -serial */
2143 DEV_PARALLEL, /* -parallel */
2144 DEV_VIRTCON, /* -virtioconsole */
2145 DEV_DEBUGCON, /* -debugcon */
2146 DEV_GDB, /* -gdb, -s */
2147 } type;
2148 const char *cmdline;
2149 Location loc;
2150 QTAILQ_ENTRY(device_config) next;
2151 };
2152 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2153
2154 static void add_device_config(int type, const char *cmdline)
2155 {
2156 struct device_config *conf;
2157
2158 conf = g_malloc0(sizeof(*conf));
2159 conf->type = type;
2160 conf->cmdline = cmdline;
2161 loc_save(&conf->loc);
2162 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2163 }
2164
2165 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2166 {
2167 struct device_config *conf;
2168 int rc;
2169
2170 QTAILQ_FOREACH(conf, &device_configs, next) {
2171 if (conf->type != type)
2172 continue;
2173 loc_push_restore(&conf->loc);
2174 rc = func(conf->cmdline);
2175 loc_pop(&conf->loc);
2176 if (0 != rc)
2177 return rc;
2178 }
2179 return 0;
2180 }
2181
2182 static int serial_parse(const char *devname)
2183 {
2184 static int index = 0;
2185 char label[32];
2186
2187 if (strcmp(devname, "none") == 0)
2188 return 0;
2189 if (index == MAX_SERIAL_PORTS) {
2190 fprintf(stderr, "qemu: too many serial ports\n");
2191 exit(1);
2192 }
2193 snprintf(label, sizeof(label), "serial%d", index);
2194 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2195 if (!serial_hds[index]) {
2196 fprintf(stderr, "qemu: could not connect serial device"
2197 " to character backend '%s'\n", devname);
2198 return -1;
2199 }
2200 index++;
2201 return 0;
2202 }
2203
2204 static int parallel_parse(const char *devname)
2205 {
2206 static int index = 0;
2207 char label[32];
2208
2209 if (strcmp(devname, "none") == 0)
2210 return 0;
2211 if (index == MAX_PARALLEL_PORTS) {
2212 fprintf(stderr, "qemu: too many parallel ports\n");
2213 exit(1);
2214 }
2215 snprintf(label, sizeof(label), "parallel%d", index);
2216 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2217 if (!parallel_hds[index]) {
2218 fprintf(stderr, "qemu: could not connect parallel device"
2219 " to character backend '%s'\n", devname);
2220 return -1;
2221 }
2222 index++;
2223 return 0;
2224 }
2225
2226 static int virtcon_parse(const char *devname)
2227 {
2228 QemuOptsList *device = qemu_find_opts("device");
2229 static int index = 0;
2230 char label[32];
2231 QemuOpts *bus_opts, *dev_opts;
2232
2233 if (strcmp(devname, "none") == 0)
2234 return 0;
2235 if (index == MAX_VIRTIO_CONSOLES) {
2236 fprintf(stderr, "qemu: too many virtio consoles\n");
2237 exit(1);
2238 }
2239
2240 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2241 if (arch_type == QEMU_ARCH_S390X) {
2242 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2243 } else {
2244 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2245 }
2246
2247 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2248 qemu_opt_set(dev_opts, "driver", "virtconsole");
2249
2250 snprintf(label, sizeof(label), "virtcon%d", index);
2251 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2252 if (!virtcon_hds[index]) {
2253 fprintf(stderr, "qemu: could not connect virtio console"
2254 " to character backend '%s'\n", devname);
2255 return -1;
2256 }
2257 qemu_opt_set(dev_opts, "chardev", label);
2258
2259 index++;
2260 return 0;
2261 }
2262
2263 static int debugcon_parse(const char *devname)
2264 {
2265 QemuOpts *opts;
2266
2267 if (!qemu_chr_new("debugcon", devname, NULL)) {
2268 exit(1);
2269 }
2270 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2271 if (!opts) {
2272 fprintf(stderr, "qemu: already have a debugcon device\n");
2273 exit(1);
2274 }
2275 qemu_opt_set(opts, "driver", "isa-debugcon");
2276 qemu_opt_set(opts, "chardev", "debugcon");
2277 return 0;
2278 }
2279
2280 static QEMUMachine *machine_parse(const char *name)
2281 {
2282 QEMUMachine *m, *machine = NULL;
2283
2284 if (name) {
2285 machine = find_machine(name);
2286 }
2287 if (machine) {
2288 return machine;
2289 }
2290 printf("Supported machines are:\n");
2291 for (m = first_machine; m != NULL; m = m->next) {
2292 if (m->alias) {
2293 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2294 }
2295 printf("%-20s %s%s\n", m->name, m->desc,
2296 m->is_default ? " (default)" : "");
2297 }
2298 exit(!name || !is_help_option(name));
2299 }
2300
2301 static int tcg_init(void)
2302 {
2303 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2304 return 0;
2305 }
2306
2307 static struct {
2308 const char *opt_name;
2309 const char *name;
2310 int (*available)(void);
2311 int (*init)(void);
2312 int *allowed;
2313 } accel_list[] = {
2314 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2315 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2316 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2317 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2318 };
2319
2320 static int configure_accelerator(void)
2321 {
2322 const char *p = NULL;
2323 char buf[10];
2324 int i, ret;
2325 bool accel_initialised = 0;
2326 bool init_failed = 0;
2327
2328 QemuOptsList *list = qemu_find_opts("machine");
2329 if (!QTAILQ_EMPTY(&list->head)) {
2330 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2331 }
2332
2333 if (p == NULL) {
2334 /* Use the default "accelerator", tcg */
2335 p = "tcg";
2336 }
2337
2338 while (!accel_initialised && *p != '\0') {
2339 if (*p == ':') {
2340 p++;
2341 }
2342 p = get_opt_name(buf, sizeof (buf), p, ':');
2343 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2344 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2345 *(accel_list[i].allowed) = 1;
2346 ret = accel_list[i].init();
2347 if (ret < 0) {
2348 init_failed = 1;
2349 if (!accel_list[i].available()) {
2350 printf("%s not supported for this target\n",
2351 accel_list[i].name);
2352 } else {
2353 fprintf(stderr, "failed to initialize %s: %s\n",
2354 accel_list[i].name,
2355 strerror(-ret));
2356 }
2357 *(accel_list[i].allowed) = 0;
2358 } else {
2359 accel_initialised = 1;
2360 }
2361 break;
2362 }
2363 }
2364 if (i == ARRAY_SIZE(accel_list)) {
2365 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2366 }
2367 }
2368
2369 if (!accel_initialised) {
2370 fprintf(stderr, "No accelerator found!\n");
2371 exit(1);
2372 }
2373
2374 if (init_failed) {
2375 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2376 }
2377
2378 return !accel_initialised;
2379 }
2380
2381 void qemu_add_exit_notifier(Notifier *notify)
2382 {
2383 notifier_list_add(&exit_notifiers, notify);
2384 }
2385
2386 void qemu_remove_exit_notifier(Notifier *notify)
2387 {
2388 notifier_remove(notify);
2389 }
2390
2391 static void qemu_run_exit_notifiers(void)
2392 {
2393 notifier_list_notify(&exit_notifiers, NULL);
2394 }
2395
2396 void qemu_add_machine_init_done_notifier(Notifier *notify)
2397 {
2398 notifier_list_add(&machine_init_done_notifiers, notify);
2399 }
2400
2401 static void qemu_run_machine_init_done_notifiers(void)
2402 {
2403 notifier_list_notify(&machine_init_done_notifiers, NULL);
2404 }
2405
2406 static const QEMUOption *lookup_opt(int argc, char **argv,
2407 const char **poptarg, int *poptind)
2408 {
2409 const QEMUOption *popt;
2410 int optind = *poptind;
2411 char *r = argv[optind];
2412 const char *optarg;
2413
2414 loc_set_cmdline(argv, optind, 1);
2415 optind++;
2416 /* Treat --foo the same as -foo. */
2417 if (r[1] == '-')
2418 r++;
2419 popt = qemu_options;
2420 for(;;) {
2421 if (!popt->name) {
2422 error_report("invalid option");
2423 exit(1);
2424 }
2425 if (!strcmp(popt->name, r + 1))
2426 break;
2427 popt++;
2428 }
2429 if (popt->flags & HAS_ARG) {
2430 if (optind >= argc) {
2431 error_report("requires an argument");
2432 exit(1);
2433 }
2434 optarg = argv[optind++];
2435 loc_set_cmdline(argv, optind - 2, 2);
2436 } else {
2437 optarg = NULL;
2438 }
2439
2440 *poptarg = optarg;
2441 *poptind = optind;
2442
2443 return popt;
2444 }
2445
2446 static gpointer malloc_and_trace(gsize n_bytes)
2447 {
2448 void *ptr = malloc(n_bytes);
2449 trace_g_malloc(n_bytes, ptr);
2450 return ptr;
2451 }
2452
2453 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2454 {
2455 void *ptr = realloc(mem, n_bytes);
2456 trace_g_realloc(mem, n_bytes, ptr);
2457 return ptr;
2458 }
2459
2460 static void free_and_trace(gpointer mem)
2461 {
2462 trace_g_free(mem);
2463 free(mem);
2464 }
2465
2466 int qemu_init_main_loop(void)
2467 {
2468 return main_loop_init();
2469 }
2470
2471 int main(int argc, char **argv, char **envp)
2472 {
2473 int i;
2474 int snapshot, linux_boot;
2475 const char *icount_option = NULL;
2476 const char *initrd_filename;
2477 const char *kernel_filename, *kernel_cmdline;
2478 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2479 DisplayState *ds;
2480 int cyls, heads, secs, translation;
2481 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2482 QemuOptsList *olist;
2483 int optind;
2484 const char *optarg;
2485 const char *loadvm = NULL;
2486 QEMUMachine *machine;
2487 const char *cpu_model;
2488 const char *vga_model = "none";
2489 const char *pid_file = NULL;
2490 const char *incoming = NULL;
2491 #ifdef CONFIG_VNC
2492 int show_vnc_port = 0;
2493 #endif
2494 bool defconfig = true;
2495 bool userconfig = true;
2496 const char *log_mask = NULL;
2497 const char *log_file = NULL;
2498 GMemVTable mem_trace = {
2499 .malloc = malloc_and_trace,
2500 .realloc = realloc_and_trace,
2501 .free = free_and_trace,
2502 };
2503 const char *trace_events = NULL;
2504 const char *trace_file = NULL;
2505
2506 atexit(qemu_run_exit_notifiers);
2507 error_set_progname(argv[0]);
2508
2509 g_mem_set_vtable(&mem_trace);
2510 if (!g_thread_supported()) {
2511 #if !GLIB_CHECK_VERSION(2, 31, 0)
2512 g_thread_init(NULL);
2513 #else
2514 fprintf(stderr, "glib threading failed to initialize.\n");
2515 exit(1);
2516 #endif
2517 }
2518
2519 module_call_init(MODULE_INIT_QOM);
2520
2521 runstate_init();
2522
2523 init_clocks();
2524 rtc_clock = host_clock;
2525
2526 qemu_cache_utils_init(envp);
2527
2528 QLIST_INIT (&vm_change_state_head);
2529 os_setup_early_signal_handling();
2530
2531 module_call_init(MODULE_INIT_MACHINE);
2532 machine = find_default_machine();
2533 cpu_model = NULL;
2534 ram_size = 0;
2535 snapshot = 0;
2536 cyls = heads = secs = 0;
2537 translation = BIOS_ATA_TRANSLATION_AUTO;
2538
2539 for (i = 0; i < MAX_NODES; i++) {
2540 node_mem[i] = 0;
2541 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2542 }
2543
2544 nb_numa_nodes = 0;
2545 nb_nics = 0;
2546
2547 autostart= 1;
2548
2549 /* first pass of option parsing */
2550 optind = 1;
2551 while (optind < argc) {
2552 if (argv[optind][0] != '-') {
2553 /* disk image */
2554 optind++;
2555 continue;
2556 } else {
2557 const QEMUOption *popt;
2558
2559 popt = lookup_opt(argc, argv, &optarg, &optind);
2560 switch (popt->index) {
2561 case QEMU_OPTION_nodefconfig:
2562 defconfig = false;
2563 break;
2564 case QEMU_OPTION_nouserconfig:
2565 userconfig = false;
2566 break;
2567 }
2568 }
2569 }
2570
2571 if (defconfig) {
2572 int ret;
2573 ret = qemu_read_default_config_files(userconfig);
2574 if (ret < 0) {
2575 exit(1);
2576 }
2577 }
2578
2579 /* second pass of option parsing */
2580 optind = 1;
2581 for(;;) {
2582 if (optind >= argc)
2583 break;
2584 if (argv[optind][0] != '-') {
2585 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2586 } else {
2587 const QEMUOption *popt;
2588
2589 popt = lookup_opt(argc, argv, &optarg, &optind);
2590 if (!(popt->arch_mask & arch_type)) {
2591 printf("Option %s not supported for this target\n", popt->name);
2592 exit(1);
2593 }
2594 switch(popt->index) {
2595 case QEMU_OPTION_M:
2596 machine = machine_parse(optarg);
2597 break;
2598 case QEMU_OPTION_cpu:
2599 /* hw initialization will check this */
2600 cpu_model = optarg;
2601 break;
2602 case QEMU_OPTION_hda:
2603 {
2604 char buf[256];
2605 if (cyls == 0)
2606 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2607 else
2608 snprintf(buf, sizeof(buf),
2609 "%s,cyls=%d,heads=%d,secs=%d%s",
2610 HD_OPTS , cyls, heads, secs,
2611 translation == BIOS_ATA_TRANSLATION_LBA ?
2612 ",trans=lba" :
2613 translation == BIOS_ATA_TRANSLATION_NONE ?
2614 ",trans=none" : "");
2615 drive_add(IF_DEFAULT, 0, optarg, buf);
2616 break;
2617 }
2618 case QEMU_OPTION_hdb:
2619 case QEMU_OPTION_hdc:
2620 case QEMU_OPTION_hdd:
2621 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2622 HD_OPTS);
2623 break;
2624 case QEMU_OPTION_drive:
2625 if (drive_def(optarg) == NULL) {
2626 exit(1);
2627 }
2628 break;
2629 case QEMU_OPTION_set:
2630 if (qemu_set_option(optarg) != 0)
2631 exit(1);
2632 break;
2633 case QEMU_OPTION_global:
2634 if (qemu_global_option(optarg) != 0)
2635 exit(1);
2636 break;
2637 case QEMU_OPTION_mtdblock:
2638 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2639 break;
2640 case QEMU_OPTION_sd:
2641 drive_add(IF_SD, 0, optarg, SD_OPTS);
2642 break;
2643 case QEMU_OPTION_pflash:
2644 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2645 break;
2646 case QEMU_OPTION_snapshot:
2647 snapshot = 1;
2648 break;
2649 case QEMU_OPTION_hdachs:
2650 {
2651 const char *p;
2652 p = optarg;
2653 cyls = strtol(p, (char **)&p, 0);
2654 if (cyls < 1 || cyls > 16383)
2655 goto chs_fail;
2656 if (*p != ',')
2657 goto chs_fail;
2658 p++;
2659 heads = strtol(p, (char **)&p, 0);
2660 if (heads < 1 || heads > 16)
2661 goto chs_fail;
2662 if (*p != ',')
2663 goto chs_fail;
2664 p++;
2665 secs = strtol(p, (char **)&p, 0);
2666 if (secs < 1 || secs > 63)
2667 goto chs_fail;
2668 if (*p == ',') {
2669 p++;
2670 if (!strcmp(p, "none"))
2671 translation = BIOS_ATA_TRANSLATION_NONE;
2672 else if (!strcmp(p, "lba"))
2673 translation = BIOS_ATA_TRANSLATION_LBA;
2674 else if (!strcmp(p, "auto"))
2675 translation = BIOS_ATA_TRANSLATION_AUTO;
2676 else
2677 goto chs_fail;
2678 } else if (*p != '\0') {
2679 chs_fail:
2680 fprintf(stderr, "qemu: invalid physical CHS format\n");
2681 exit(1);
2682 }
2683 if (hda_opts != NULL) {
2684 char num[16];
2685 snprintf(num, sizeof(num), "%d", cyls);
2686 qemu_opt_set(hda_opts, "cyls", num);
2687 snprintf(num, sizeof(num), "%d", heads);
2688 qemu_opt_set(hda_opts, "heads", num);
2689 snprintf(num, sizeof(num), "%d", secs);
2690 qemu_opt_set(hda_opts, "secs", num);
2691 if (translation == BIOS_ATA_TRANSLATION_LBA)
2692 qemu_opt_set(hda_opts, "trans", "lba");
2693 if (translation == BIOS_ATA_TRANSLATION_NONE)
2694 qemu_opt_set(hda_opts, "trans", "none");
2695 }
2696 }
2697 break;
2698 case QEMU_OPTION_numa:
2699 if (nb_numa_nodes >= MAX_NODES) {
2700 fprintf(stderr, "qemu: too many NUMA nodes\n");
2701 exit(1);
2702 }
2703 numa_add(optarg);
2704 break;
2705 case QEMU_OPTION_display:
2706 display_type = select_display(optarg);
2707 break;
2708 case QEMU_OPTION_nographic:
2709 display_type = DT_NOGRAPHIC;
2710 break;
2711 case QEMU_OPTION_curses:
2712 #ifdef CONFIG_CURSES
2713 display_type = DT_CURSES;
2714 #else
2715 fprintf(stderr, "Curses support is disabled\n");
2716 exit(1);
2717 #endif
2718 break;
2719 case QEMU_OPTION_portrait:
2720 graphic_rotate = 90;
2721 break;
2722 case QEMU_OPTION_rotate:
2723 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2724 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2725 graphic_rotate != 180 && graphic_rotate != 270) {
2726 fprintf(stderr,
2727 "qemu: only 90, 180, 270 deg rotation is available\n");
2728 exit(1);
2729 }
2730 break;
2731 case QEMU_OPTION_kernel:
2732 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2733 break;
2734 case QEMU_OPTION_initrd:
2735 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2736 break;
2737 case QEMU_OPTION_append:
2738 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2739 break;
2740 case QEMU_OPTION_dtb:
2741 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2742 break;
2743 case QEMU_OPTION_cdrom:
2744 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2745 break;
2746 case QEMU_OPTION_boot:
2747 {
2748 static const char * const params[] = {
2749 "order", "once", "menu",
2750 "splash", "splash-time",
2751 "reboot-timeout", NULL
2752 };
2753 char buf[sizeof(boot_devices)];
2754 char *standard_boot_devices;
2755 int legacy = 0;
2756
2757 if (!strchr(optarg, '=')) {
2758 legacy = 1;
2759 pstrcpy(buf, sizeof(buf), optarg);
2760 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2761 fprintf(stderr,
2762 "qemu: unknown boot parameter '%s' in '%s'\n",
2763 buf, optarg);
2764 exit(1);
2765 }
2766
2767 if (legacy ||
2768 get_param_value(buf, sizeof(buf), "order", optarg)) {
2769 validate_bootdevices(buf);
2770 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2771 }
2772 if (!legacy) {
2773 if (get_param_value(buf, sizeof(buf),
2774 "once", optarg)) {
2775 validate_bootdevices(buf);
2776 standard_boot_devices = g_strdup(boot_devices);
2777 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2778 qemu_register_reset(restore_boot_devices,
2779 standard_boot_devices);
2780 }
2781 if (get_param_value(buf, sizeof(buf),
2782 "menu", optarg)) {
2783 if (!strcmp(buf, "on")) {
2784 boot_menu = 1;
2785 } else if (!strcmp(buf, "off")) {
2786 boot_menu = 0;
2787 } else {
2788 fprintf(stderr,
2789 "qemu: invalid option value '%s'\n",
2790 buf);
2791 exit(1);
2792 }
2793 }
2794 qemu_opts_parse(qemu_find_opts("boot-opts"),
2795 optarg, 0);
2796 }
2797 }
2798 break;
2799 case QEMU_OPTION_fda:
2800 case QEMU_OPTION_fdb:
2801 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2802 optarg, FD_OPTS);
2803 break;
2804 case QEMU_OPTION_no_fd_bootchk:
2805 fd_bootchk = 0;
2806 break;
2807 case QEMU_OPTION_netdev:
2808 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2809 exit(1);
2810 }
2811 break;
2812 case QEMU_OPTION_net:
2813 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2814 exit(1);
2815 }
2816 break;
2817 #ifdef CONFIG_LIBISCSI
2818 case QEMU_OPTION_iscsi:
2819 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2820 if (!opts) {
2821 exit(1);
2822 }
2823 break;
2824 #endif
2825 #ifdef CONFIG_SLIRP
2826 case QEMU_OPTION_tftp:
2827 legacy_tftp_prefix = optarg;
2828 break;
2829 case QEMU_OPTION_bootp:
2830 legacy_bootp_filename = optarg;
2831 break;
2832 case QEMU_OPTION_redir:
2833 if (net_slirp_redir(optarg) < 0)
2834 exit(1);
2835 break;
2836 #endif
2837 case QEMU_OPTION_bt:
2838 add_device_config(DEV_BT, optarg);
2839 break;
2840 case QEMU_OPTION_audio_help:
2841 if (!(audio_available())) {
2842 printf("Option %s not supported for this target\n", popt->name);
2843 exit(1);
2844 }
2845 AUD_help ();
2846 exit (0);
2847 break;
2848 case QEMU_OPTION_soundhw:
2849 if (!(audio_available())) {
2850 printf("Option %s not supported for this target\n", popt->name);
2851 exit(1);
2852 }
2853 select_soundhw (optarg);
2854 break;
2855 case QEMU_OPTION_h:
2856 help(0);
2857 break;
2858 case QEMU_OPTION_version:
2859 version();
2860 exit(0);
2861 break;
2862 case QEMU_OPTION_m: {
2863 int64_t value;
2864 uint64_t sz;
2865 char *end;
2866
2867 value = strtosz(optarg, &end);
2868 if (value < 0 || *end) {
2869 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2870 exit(1);
2871 }
2872 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2873 ram_size = sz;
2874 if (ram_size != sz) {
2875 fprintf(stderr, "qemu: ram size too large\n");
2876 exit(1);
2877 }
2878 break;
2879 }
2880 case QEMU_OPTION_mempath:
2881 mem_path = optarg;
2882 break;
2883 #ifdef MAP_POPULATE
2884 case QEMU_OPTION_mem_prealloc:
2885 mem_prealloc = 1;
2886 break;
2887 #endif
2888 case QEMU_OPTION_d:
2889 log_mask = optarg;
2890 break;
2891 case QEMU_OPTION_D:
2892 log_file = optarg;
2893 break;
2894 case QEMU_OPTION_s:
2895 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2896 break;
2897 case QEMU_OPTION_gdb:
2898 add_device_config(DEV_GDB, optarg);
2899 break;
2900 case QEMU_OPTION_L:
2901 data_dir = optarg;
2902 break;
2903 case QEMU_OPTION_bios:
2904 bios_name = optarg;
2905 break;
2906 case QEMU_OPTION_singlestep:
2907 singlestep = 1;
2908 break;
2909 case QEMU_OPTION_S:
2910 autostart = 0;
2911 break;
2912 case QEMU_OPTION_k:
2913 keyboard_layout = optarg;
2914 break;
2915 case QEMU_OPTION_localtime:
2916 rtc_utc = 0;
2917 break;
2918 case QEMU_OPTION_vga:
2919 vga_model = optarg;
2920 default_vga = 0;
2921 break;
2922 case QEMU_OPTION_g:
2923 {
2924 const char *p;
2925 int w, h, depth;
2926 p = optarg;
2927 w = strtol(p, (char **)&p, 10);
2928 if (w <= 0) {
2929 graphic_error:
2930 fprintf(stderr, "qemu: invalid resolution or depth\n");
2931 exit(1);
2932 }
2933 if (*p != 'x')
2934 goto graphic_error;
2935 p++;
2936 h = strtol(p, (char **)&p, 10);
2937 if (h <= 0)
2938 goto graphic_error;
2939 if (*p == 'x') {
2940 p++;
2941 depth = strtol(p, (char **)&p, 10);
2942 if (depth != 8 && depth != 15 && depth != 16 &&
2943 depth != 24 && depth != 32)
2944 goto graphic_error;
2945 } else if (*p == '\0') {
2946 depth = graphic_depth;
2947 } else {
2948 goto graphic_error;
2949 }
2950
2951 graphic_width = w;
2952 graphic_height = h;
2953 graphic_depth = depth;
2954 }
2955 break;
2956 case QEMU_OPTION_echr:
2957 {
2958 char *r;
2959 term_escape_char = strtol(optarg, &r, 0);
2960 if (r == optarg)
2961 printf("Bad argument to echr\n");
2962 break;
2963 }
2964 case QEMU_OPTION_monitor:
2965 monitor_parse(optarg, "readline");
2966 default_monitor = 0;
2967 break;
2968 case QEMU_OPTION_qmp:
2969 monitor_parse(optarg, "control");
2970 default_monitor = 0;
2971 break;
2972 case QEMU_OPTION_mon:
2973 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2974 if (!opts) {
2975 exit(1);
2976 }
2977 default_monitor = 0;
2978 break;
2979 case QEMU_OPTION_chardev:
2980 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2981 if (!opts) {
2982 exit(1);
2983 }
2984 break;
2985 case QEMU_OPTION_fsdev:
2986 olist = qemu_find_opts("fsdev");
2987 if (!olist) {
2988 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2989 exit(1);
2990 }
2991 opts = qemu_opts_parse(olist, optarg, 1);
2992 if (!opts) {
2993 fprintf(stderr, "parse error: %s\n", optarg);
2994 exit(1);
2995 }
2996 break;
2997 case QEMU_OPTION_virtfs: {
2998 QemuOpts *fsdev;
2999 QemuOpts *device;
3000 const char *writeout, *sock_fd, *socket;
3001
3002 olist = qemu_find_opts("virtfs");
3003 if (!olist) {
3004 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3005 exit(1);
3006 }
3007 opts = qemu_opts_parse(olist, optarg, 1);
3008 if (!opts) {
3009 fprintf(stderr, "parse error: %s\n", optarg);
3010 exit(1);
3011 }
3012
3013 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3014 qemu_opt_get(opts, "mount_tag") == NULL) {
3015 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3016 exit(1);
3017 }
3018 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3019 qemu_opt_get(opts, "mount_tag"),
3020 1, NULL);
3021 if (!fsdev) {
3022 fprintf(stderr, "duplicate fsdev id: %s\n",
3023 qemu_opt_get(opts, "mount_tag"));
3024 exit(1);
3025 }
3026
3027 writeout = qemu_opt_get(opts, "writeout");
3028 if (writeout) {
3029 #ifdef CONFIG_SYNC_FILE_RANGE
3030 qemu_opt_set(fsdev, "writeout", writeout);
3031 #else
3032 fprintf(stderr, "writeout=immediate not supported on "
3033 "this platform\n");
3034 exit(1);
3035 #endif
3036 }
3037 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3038 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3039 qemu_opt_set(fsdev, "security_model",
3040 qemu_opt_get(opts, "security_model"));
3041 socket = qemu_opt_get(opts, "socket");
3042 if (socket) {
3043 qemu_opt_set(fsdev, "socket", socket);
3044 }
3045 sock_fd = qemu_opt_get(opts, "sock_fd");
3046 if (sock_fd) {
3047 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3048 }
3049
3050 qemu_opt_set_bool(fsdev, "readonly",
3051 qemu_opt_get_bool(opts, "readonly", 0));
3052 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3053 NULL);
3054 qemu_opt_set(device, "driver", "virtio-9p-pci");
3055 qemu_opt_set(device, "fsdev",
3056 qemu_opt_get(opts, "mount_tag"));
3057 qemu_opt_set(device, "mount_tag",
3058 qemu_opt_get(opts, "mount_tag"));
3059 break;
3060 }
3061 case QEMU_OPTION_virtfs_synth: {
3062 QemuOpts *fsdev;
3063 QemuOpts *device;
3064
3065 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3066 1, NULL);
3067 if (!fsdev) {
3068 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3069 exit(1);
3070 }
3071 qemu_opt_set(fsdev, "fsdriver", "synth");
3072
3073 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3074 NULL);
3075 qemu_opt_set(device, "driver", "virtio-9p-pci");
3076 qemu_opt_set(device, "fsdev", "v_synth");
3077 qemu_opt_set(device, "mount_tag", "v_synth");
3078 break;
3079 }
3080 case QEMU_OPTION_serial:
3081 add_device_config(DEV_SERIAL, optarg);
3082 default_serial = 0;
3083 if (strncmp(optarg, "mon:", 4) == 0) {
3084 default_monitor = 0;
3085 }
3086 break;
3087 case QEMU_OPTION_watchdog:
3088 if (watchdog) {
3089 fprintf(stderr,
3090 "qemu: only one watchdog option may be given\n");
3091 return 1;
3092 }
3093 watchdog = optarg;
3094 break;
3095 case QEMU_OPTION_watchdog_action:
3096 if (select_watchdog_action(optarg) == -1) {
3097 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3098 exit(1);
3099 }
3100 break;
3101 case QEMU_OPTION_virtiocon:
3102 add_device_config(DEV_VIRTCON, optarg);
3103 default_virtcon = 0;
3104 if (strncmp(optarg, "mon:", 4) == 0) {
3105 default_monitor = 0;
3106 }
3107 break;
3108 case QEMU_OPTION_parallel:
3109 add_device_config(DEV_PARALLEL, optarg);
3110 default_parallel = 0;
3111 if (strncmp(optarg, "mon:", 4) == 0) {
3112 default_monitor = 0;
3113 }
3114 break;
3115 case QEMU_OPTION_debugcon:
3116 add_device_config(DEV_DEBUGCON, optarg);
3117 break;
3118 case QEMU_OPTION_loadvm:
3119 loadvm = optarg;
3120 break;
3121 case QEMU_OPTION_full_screen:
3122 full_screen = 1;
3123 break;
3124 #ifdef CONFIG_SDL
3125 case QEMU_OPTION_no_frame:
3126 no_frame = 1;
3127 break;
3128 case QEMU_OPTION_alt_grab:
3129 alt_grab = 1;
3130 break;
3131 case QEMU_OPTION_ctrl_grab:
3132 ctrl_grab = 1;
3133 break;
3134 case QEMU_OPTION_no_quit:
3135 no_quit = 1;
3136 break;
3137 case QEMU_OPTION_sdl:
3138 display_type = DT_SDL;
3139 break;
3140 #else
3141 case QEMU_OPTION_no_frame:
3142 case QEMU_OPTION_alt_grab:
3143 case QEMU_OPTION_ctrl_grab:
3144 case QEMU_OPTION_no_quit:
3145 case QEMU_OPTION_sdl:
3146 fprintf(stderr, "SDL support is disabled\n");
3147 exit(1);
3148 #endif
3149 case QEMU_OPTION_pidfile:
3150 pid_file = optarg;
3151 break;
3152 case QEMU_OPTION_win2k_hack:
3153 win2k_install_hack = 1;
3154 break;
3155 case QEMU_OPTION_rtc_td_hack: {
3156 static GlobalProperty slew_lost_ticks[] = {
3157 {
3158 .driver = "mc146818rtc",
3159 .property = "lost_tick_policy",
3160 .value = "slew",
3161 },
3162 { /* end of list */ }
3163 };
3164
3165 qdev_prop_register_global_list(slew_lost_ticks);
3166 break;
3167 }
3168 case QEMU_OPTION_acpitable:
3169 do_acpitable_option(optarg);
3170 break;
3171 case QEMU_OPTION_smbios:
3172 do_smbios_option(optarg);
3173 break;
3174 case QEMU_OPTION_enable_kvm:
3175 olist = qemu_find_opts("machine");
3176 qemu_opts_parse(olist, "accel=kvm", 0);
3177 break;
3178 case QEMU_OPTION_machine:
3179 olist = qemu_find_opts("machine");
3180 opts = qemu_opts_parse(olist, optarg, 1);
3181 if (!opts) {
3182 fprintf(stderr, "parse error: %s\n", optarg);
3183 exit(1);
3184 }
3185 optarg = qemu_opt_get(opts, "type");
3186 if (optarg) {
3187 machine = machine_parse(optarg);
3188 }
3189 break;
3190 case QEMU_OPTION_usb:
3191 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3192 if (machine_opts) {
3193 qemu_opt_set_bool(machine_opts, "usb", true);
3194 }
3195 break;
3196 case QEMU_OPTION_usbdevice:
3197 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3198 if (machine_opts) {
3199 qemu_opt_set_bool(machine_opts, "usb", true);
3200 }
3201 add_device_config(DEV_USB, optarg);
3202 break;
3203 case QEMU_OPTION_device:
3204 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3205 exit(1);
3206 }
3207 break;
3208 case QEMU_OPTION_smp:
3209 smp_parse(optarg);
3210 if (smp_cpus < 1) {
3211 fprintf(stderr, "Invalid number of CPUs\n");
3212 exit(1);
3213 }
3214 if (max_cpus < smp_cpus) {
3215 fprintf(stderr, "maxcpus must be equal to or greater than "
3216 "smp\n");
3217 exit(1);
3218 }
3219 if (max_cpus > 255) {
3220 fprintf(stderr, "Unsupported number of maxcpus\n");
3221 exit(1);
3222 }
3223 break;
3224 case QEMU_OPTION_vnc:
3225 #ifdef CONFIG_VNC
3226 display_remote++;
3227 vnc_display = optarg;
3228 #else
3229 fprintf(stderr, "VNC support is disabled\n");
3230 exit(1);
3231 #endif
3232 break;
3233 case QEMU_OPTION_no_acpi:
3234 acpi_enabled = 0;
3235 break;
3236 case QEMU_OPTION_no_hpet:
3237 no_hpet = 1;
3238 break;
3239 case QEMU_OPTION_balloon:
3240 if (balloon_parse(optarg) < 0) {
3241 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3242 exit(1);
3243 }
3244 break;
3245 case QEMU_OPTION_no_reboot:
3246 no_reboot = 1;
3247 break;
3248 case QEMU_OPTION_no_shutdown:
3249 no_shutdown = 1;
3250 break;
3251 case QEMU_OPTION_show_cursor:
3252 cursor_hide = 0;
3253 break;
3254 case QEMU_OPTION_uuid:
3255 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3256 fprintf(stderr, "Fail to parse UUID string."
3257 " Wrong format.\n");
3258 exit(1);
3259 }
3260 break;
3261 case QEMU_OPTION_option_rom:
3262 if (nb_option_roms >= MAX_OPTION_ROMS) {
3263 fprintf(stderr, "Too many option ROMs\n");
3264 exit(1);
3265 }
3266 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3267 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3268 option_rom[nb_option_roms].bootindex =
3269 qemu_opt_get_number(opts, "bootindex", -1);
3270 if (!option_rom[nb_option_roms].name) {
3271 fprintf(stderr, "Option ROM file is not specified\n");
3272 exit(1);
3273 }
3274 nb_option_roms++;
3275 break;
3276 case QEMU_OPTION_semihosting:
3277 semihosting_enabled = 1;
3278 break;
3279 case QEMU_OPTION_name:
3280 qemu_name = g_strdup(optarg);
3281 {
3282 char *p = strchr(qemu_name, ',');
3283 if (p != NULL) {
3284 *p++ = 0;
3285 if (strncmp(p, "process=", 8)) {
3286 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3287 exit(1);
3288 }
3289 p += 8;
3290 os_set_proc_name(p);
3291 }
3292 }
3293 break;
3294 case QEMU_OPTION_prom_env:
3295 if (nb_prom_envs >= MAX_PROM_ENVS) {
3296 fprintf(stderr, "Too many prom variables\n");
3297 exit(1);
3298 }
3299 prom_envs[nb_prom_envs] = optarg;
3300 nb_prom_envs++;
3301 break;
3302 case QEMU_OPTION_old_param:
3303 old_param = 1;
3304 break;
3305 case QEMU_OPTION_clock:
3306 configure_alarms(optarg);
3307 break;
3308 case QEMU_OPTION_startdate:
3309 configure_rtc_date_offset(optarg, 1);
3310 break;
3311 case QEMU_OPTION_rtc:
3312 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3313 if (!opts) {
3314 exit(1);
3315 }
3316 configure_rtc(opts);
3317 break;
3318 case QEMU_OPTION_tb_size:
3319 tcg_tb_size = strtol(optarg, NULL, 0);
3320 if (tcg_tb_size < 0) {
3321 tcg_tb_size = 0;
3322 }
3323 break;
3324 case QEMU_OPTION_icount:
3325 icount_option = optarg;
3326 break;
3327 case QEMU_OPTION_incoming:
3328 incoming = optarg;
3329 runstate_set(RUN_STATE_INMIGRATE);
3330 break;
3331 case QEMU_OPTION_nodefaults:
3332 default_serial = 0;
3333 default_parallel = 0;
3334 default_virtcon = 0;
3335 default_monitor = 0;
3336 default_net = 0;
3337 default_floppy = 0;
3338 default_cdrom = 0;
3339 default_sdcard = 0;
3340 default_vga = 0;
3341 break;
3342 case QEMU_OPTION_xen_domid:
3343 if (!(xen_available())) {
3344 printf("Option %s not supported for this target\n", popt->name);
3345 exit(1);
3346 }
3347 xen_domid = atoi(optarg);
3348 break;
3349 case QEMU_OPTION_xen_create:
3350 if (!(xen_available())) {
3351 printf("Option %s not supported for this target\n", popt->name);
3352 exit(1);
3353 }
3354 xen_mode = XEN_CREATE;
3355 break;
3356 case QEMU_OPTION_xen_attach:
3357 if (!(xen_available())) {
3358 printf("Option %s not supported for this target\n", popt->name);
3359 exit(1);
3360 }
3361 xen_mode = XEN_ATTACH;
3362 break;
3363 case QEMU_OPTION_trace:
3364 {
3365 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3366 if (!opts) {
3367 exit(1);
3368 }
3369 trace_events = qemu_opt_get(opts, "events");
3370 trace_file = qemu_opt_get(opts, "file");
3371 break;
3372 }
3373 case QEMU_OPTION_readconfig:
3374 {
3375 int ret = qemu_read_config_file(optarg);
3376 if (ret < 0) {
3377 fprintf(stderr, "read config %s: %s\n", optarg,
3378 strerror(-ret));
3379 exit(1);
3380 }
3381 break;
3382 }
3383 case QEMU_OPTION_spice:
3384 olist = qemu_find_opts("spice");
3385 if (!olist) {
3386 fprintf(stderr, "spice is not supported by this qemu build.\n");
3387 exit(1);
3388 }
3389 opts = qemu_opts_parse(olist, optarg, 0);
3390 if (!opts) {
3391 fprintf(stderr, "parse error: %s\n", optarg);
3392 exit(1);
3393 }
3394 break;
3395 case QEMU_OPTION_writeconfig:
3396 {
3397 FILE *fp;
3398 if (strcmp(optarg, "-") == 0) {
3399 fp = stdout;
3400 } else {
3401 fp = fopen(optarg, "w");
3402 if (fp == NULL) {
3403 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3404 exit(1);
3405 }
3406 }
3407 qemu_config_write(fp);
3408 fclose(fp);
3409 break;
3410 }
3411 case QEMU_OPTION_qtest:
3412 qtest_chrdev = optarg;
3413 break;
3414 case QEMU_OPTION_qtest_log:
3415 qtest_log = optarg;
3416 break;
3417 case QEMU_OPTION_sandbox:
3418 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3419 if (!opts) {
3420 exit(0);
3421 }
3422 break;
3423 case QEMU_OPTION_add_fd:
3424 #ifndef _WIN32
3425 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3426 if (!opts) {
3427 exit(0);
3428 }
3429 #else
3430 error_report("File descriptor passing is disabled on this "
3431 "platform");
3432 exit(1);
3433 #endif
3434 break;
3435 default:
3436 os_parse_cmd_args(popt->index, optarg);
3437 }
3438 }
3439 }
3440 loc_set_none();
3441
3442 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3443 exit(1);
3444 }
3445
3446 #ifndef _WIN32
3447 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3448 exit(1);
3449 }
3450
3451 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3452 exit(1);
3453 }
3454 #endif
3455
3456 if (machine == NULL) {
3457 fprintf(stderr, "No machine found.\n");
3458 exit(1);
3459 }
3460
3461 if (machine->hw_version) {
3462 qemu_set_version(machine->hw_version);
3463 }
3464
3465 /* Init CPU def lists, based on config
3466 * - Must be called after all the qemu_read_config_file() calls
3467 * - Must be called before list_cpus()
3468 * - Must be called before machine->init()
3469 */
3470 cpudef_init();
3471
3472 if (cpu_model && is_help_option(cpu_model)) {
3473 list_cpus(stdout, &fprintf, cpu_model);
3474 exit(0);
3475 }
3476
3477 /* Open the logfile at this point, if necessary. We can't open the logfile
3478 * when encountering either of the logging options (-d or -D) because the
3479 * other one may be encountered later on the command line, changing the
3480 * location or level of logging.
3481 */
3482 if (log_mask) {
3483 if (log_file) {
3484 set_cpu_log_filename(log_file);
3485 }
3486 set_cpu_log(log_mask);
3487 }
3488
3489 if (!trace_backend_init(trace_events, trace_file)) {
3490 exit(1);
3491 }
3492
3493 /* If no data_dir is specified then try to find it relative to the
3494 executable path. */
3495 if (!data_dir) {
3496 data_dir = os_find_datadir(argv[0]);
3497 }
3498 /* If all else fails use the install path specified when building. */
3499 if (!data_dir) {
3500 data_dir = CONFIG_QEMU_DATADIR;
3501 }
3502
3503 /*
3504 * Default to max_cpus = smp_cpus, in case the user doesn't
3505 * specify a max_cpus value.
3506 */
3507 if (!max_cpus)
3508 max_cpus = smp_cpus;
3509
3510 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3511 if (smp_cpus > machine->max_cpus) {
3512 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3513 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3514 machine->max_cpus);
3515 exit(1);
3516 }
3517
3518 /*
3519 * Get the default machine options from the machine if it is not already
3520 * specified either by the configuration file or by the command line.
3521 */
3522 if (machine->default_machine_opts) {
3523 qemu_opts_set_defaults(qemu_find_opts("machine"),
3524 machine->default_machine_opts, 0);
3525 }
3526
3527 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3528 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3529
3530 if (machine->no_serial) {
3531 default_serial = 0;
3532 }
3533 if (machine->no_parallel) {
3534 default_parallel = 0;
3535 }
3536 if (!machine->use_virtcon) {
3537 default_virtcon = 0;
3538 }
3539 if (machine->no_floppy) {
3540 default_floppy = 0;
3541 }
3542 if (machine->no_cdrom) {
3543 default_cdrom = 0;
3544 }
3545 if (machine->no_sdcard) {
3546 default_sdcard = 0;
3547 }
3548
3549 if (display_type == DT_NOGRAPHIC) {
3550 if (default_parallel)
3551 add_device_config(DEV_PARALLEL, "null");
3552 if (default_serial && default_monitor) {
3553 add_device_config(DEV_SERIAL, "mon:stdio");
3554 } else if (default_virtcon && default_monitor) {
3555 add_device_config(DEV_VIRTCON, "mon:stdio");
3556 } else {
3557 if (default_serial)
3558 add_device_config(DEV_SERIAL, "stdio");
3559 if (default_virtcon)
3560 add_device_config(DEV_VIRTCON, "stdio");
3561 if (default_monitor)
3562 monitor_parse("stdio", "readline");
3563 }
3564 } else {
3565 if (default_serial)
3566 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3567 if (default_parallel)
3568 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3569 if (default_monitor)
3570 monitor_parse("vc:80Cx24C", "readline");
3571 if (default_virtcon)
3572 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3573 }
3574
3575 if (init_timer_alarm() < 0) {
3576 fprintf(stderr, "could not initialize alarm timer\n");
3577 exit(1);
3578 }
3579
3580 socket_init();
3581
3582 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3583 exit(1);
3584 #ifdef CONFIG_VIRTFS
3585 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3586 exit(1);
3587 }
3588 #endif
3589
3590 os_daemonize();
3591
3592 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3593 os_pidfile_error();
3594 exit(1);
3595 }
3596
3597 /* init the memory */
3598 if (ram_size == 0) {
3599 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3600 }
3601
3602 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3603 != 0) {
3604 exit(0);
3605 }
3606
3607 configure_accelerator();
3608
3609 qemu_init_cpu_loop();
3610 if (qemu_init_main_loop()) {
3611 fprintf(stderr, "qemu_init_main_loop failed\n");
3612 exit(1);
3613 }
3614
3615 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3616 if (machine_opts) {
3617 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3618 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3619 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3620 } else {
3621 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3622 }
3623
3624 if (!kernel_cmdline) {
3625 kernel_cmdline = "";
3626 }
3627
3628 linux_boot = (kernel_filename != NULL);
3629
3630 if (!linux_boot && *kernel_cmdline != '\0') {
3631 fprintf(stderr, "-append only allowed with -kernel option\n");
3632 exit(1);
3633 }
3634
3635 if (!linux_boot && initrd_filename != NULL) {
3636 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3637 exit(1);
3638 }
3639
3640 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3641 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3642 exit(1);
3643 }
3644
3645 os_set_line_buffering();
3646
3647 #ifdef CONFIG_SPICE
3648 /* spice needs the timers to be initialized by this point */
3649 qemu_spice_init();
3650 #endif
3651
3652 if (icount_option && (kvm_enabled() || xen_enabled())) {
3653 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3654 exit(1);
3655 }
3656 configure_icount(icount_option);
3657
3658 if (net_init_clients() < 0) {
3659 exit(1);
3660 }
3661
3662 /* init the bluetooth world */
3663 if (foreach_device_config(DEV_BT, bt_parse))
3664 exit(1);
3665
3666 if (!xen_enabled()) {
3667 /* On 32-bit hosts, QEMU is limited by virtual address space */
3668 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3669 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3670 exit(1);
3671 }
3672 }
3673
3674 cpu_exec_init_all();
3675
3676 bdrv_init_with_whitelist();
3677
3678 blk_mig_init();
3679
3680 /* open the virtual block devices */
3681 if (snapshot)
3682 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3683 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3684 exit(1);
3685
3686 default_drive(default_cdrom, snapshot, machine->use_scsi,
3687 IF_DEFAULT, 2, CDROM_OPTS);
3688 default_drive(default_floppy, snapshot, machine->use_scsi,
3689 IF_FLOPPY, 0, FD_OPTS);
3690 default_drive(default_sdcard, snapshot, machine->use_scsi,
3691 IF_SD, 0, SD_OPTS);
3692
3693 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3694
3695 if (nb_numa_nodes > 0) {
3696 int i;
3697
3698 if (nb_numa_nodes > MAX_NODES) {
3699 nb_numa_nodes = MAX_NODES;
3700 }
3701
3702 /* If no memory size if given for any node, assume the default case
3703 * and distribute the available memory equally across all nodes
3704 */
3705 for (i = 0; i < nb_numa_nodes; i++) {
3706 if (node_mem[i] != 0)
3707 break;
3708 }
3709 if (i == nb_numa_nodes) {
3710 uint64_t usedmem = 0;
3711
3712 /* On Linux, the each node's border has to be 8MB aligned,
3713 * the final node gets the rest.
3714 */
3715 for (i = 0; i < nb_numa_nodes - 1; i++) {
3716 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3717 usedmem += node_mem[i];
3718 }
3719 node_mem[i] = ram_size - usedmem;
3720 }
3721
3722 for (i = 0; i < nb_numa_nodes; i++) {
3723 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3724 break;
3725 }
3726 }
3727 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3728 * must cope with this anyway, because there are BIOSes out there in
3729 * real machines which also use this scheme.
3730 */
3731 if (i == nb_numa_nodes) {
3732 for (i = 0; i < max_cpus; i++) {
3733 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3734 }
3735 }
3736 }
3737
3738 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3739 exit(1);
3740 }
3741
3742 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3743 exit(1);
3744 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3745 exit(1);
3746 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3747 exit(1);
3748 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3749 exit(1);
3750
3751 /* If no default VGA is requested, the default is "none". */
3752 if (default_vga) {
3753 if (cirrus_vga_available()) {
3754 vga_model = "cirrus";
3755 } else if (vga_available()) {
3756 vga_model = "std";
3757 }
3758 }
3759 select_vgahw(vga_model);
3760
3761 if (watchdog) {
3762 i = select_watchdog(watchdog);
3763 if (i > 0)
3764 exit (i == 1 ? 1 : 0);
3765 }
3766
3767 if (machine->compat_props) {
3768 qdev_prop_register_global_list(machine->compat_props);
3769 }
3770 qemu_add_globals();
3771
3772 qdev_machine_init();
3773
3774 QEMUMachineInitArgs args = { .ram_size = ram_size,
3775 .boot_device = boot_devices,
3776 .kernel_filename = kernel_filename,
3777 .kernel_cmdline = kernel_cmdline,
3778 .initrd_filename = initrd_filename,
3779 .cpu_model = cpu_model };
3780 machine->init(&args);
3781
3782 cpu_synchronize_all_post_init();
3783
3784 set_numa_modes();
3785
3786 current_machine = machine;
3787
3788 /* init USB devices */
3789 if (usb_enabled(false)) {
3790 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3791 exit(1);
3792 }
3793
3794 /* init generic devices */
3795 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3796 exit(1);
3797
3798 net_check_clients();
3799
3800 /* just use the first displaystate for the moment */
3801 ds = get_displaystate();
3802
3803 if (using_spice)
3804 display_remote++;
3805 if (display_type == DT_DEFAULT && !display_remote) {
3806 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3807 display_type = DT_SDL;
3808 #elif defined(CONFIG_VNC)
3809 vnc_display = "localhost:0,to=99";
3810 show_vnc_port = 1;
3811 #else
3812 display_type = DT_NONE;
3813 #endif
3814 }
3815
3816
3817 /* init local displays */
3818 switch (display_type) {
3819 case DT_NOGRAPHIC:
3820 break;
3821 #if defined(CONFIG_CURSES)
3822 case DT_CURSES:
3823 if (!is_daemonized()) {
3824 curses_display_init(ds, full_screen);
3825 }
3826 break;
3827 #endif
3828 #if defined(CONFIG_SDL)
3829 case DT_SDL:
3830 sdl_display_init(ds, full_screen, no_frame);
3831 break;
3832 #elif defined(CONFIG_COCOA)
3833 case DT_SDL:
3834 cocoa_display_init(ds, full_screen);
3835 break;
3836 #endif
3837 default:
3838 break;
3839 }
3840
3841 /* must be after terminal init, SDL library changes signal handlers */
3842 os_setup_signal_handling();
3843
3844 #ifdef CONFIG_VNC
3845 /* init remote displays */
3846 if (vnc_display) {
3847 Error *local_err = NULL;
3848 vnc_display_init(ds);
3849 vnc_display_open(ds, vnc_display, &local_err);
3850 if (local_err != NULL) {
3851 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3852 vnc_display, error_get_pretty(local_err));
3853 error_free(local_err);
3854 exit(1);
3855 }
3856
3857 if (show_vnc_port) {
3858 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3859 }
3860 }
3861 #endif
3862 #ifdef CONFIG_SPICE
3863 if (using_spice && !qxl_enabled) {
3864 qemu_spice_display_init(ds);
3865 }
3866 #endif
3867
3868 /* display setup */
3869 dpy_resize(ds);
3870 text_consoles_set_display(ds);
3871
3872 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3873 exit(1);
3874 }
3875
3876 qdev_machine_creation_done();
3877
3878 if (rom_load_all() != 0) {
3879 fprintf(stderr, "rom loading failed\n");
3880 exit(1);
3881 }
3882
3883 /* TODO: once all bus devices are qdevified, this should be done
3884 * when bus is created by qdev.c */
3885 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3886 qemu_run_machine_init_done_notifiers();
3887
3888 qemu_system_reset(VMRESET_SILENT);
3889 if (loadvm) {
3890 if (load_vmstate(loadvm) < 0) {
3891 autostart = 0;
3892 }
3893 }
3894
3895 if (incoming) {
3896 Error *local_err = NULL;
3897 qemu_start_incoming_migration(incoming, &local_err);
3898 if (local_err) {
3899 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
3900 error_free(local_err);
3901 exit(1);
3902 }
3903 } else if (autostart) {
3904 vm_start();
3905 }
3906
3907 os_setup_post();
3908
3909 resume_all_vcpus();
3910 main_loop();
3911 bdrv_close_all();
3912 pause_all_vcpus();
3913 net_cleanup();
3914 res_free();
3915
3916 return 0;
3917 }
Qemu copy for testing