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Merge remote-tracking branch 'bonzini/threadpool' into staging
[qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30 #include <zlib.h>
31 #include "bitmap.h"
32
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
35
36 #ifndef _WIN32
37 #include <libgen.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51
52 #ifdef CONFIG_BSD
53 #include <sys/stat.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <malloc.h>
62
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
65 #endif
66
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 = ds->listeners;
1363
1364 dpy_refresh(ds);
1365
1366 while (dcl != NULL) {
1367 if (dcl->gui_timer_interval &&
1368 dcl->gui_timer_interval < interval)
1369 interval = dcl->gui_timer_interval;
1370 dcl = dcl->next;
1371 }
1372 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1373 }
1374
1375 struct vm_change_state_entry {
1376 VMChangeStateHandler *cb;
1377 void *opaque;
1378 QLIST_ENTRY (vm_change_state_entry) entries;
1379 };
1380
1381 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1382
1383 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1384 void *opaque)
1385 {
1386 VMChangeStateEntry *e;
1387
1388 e = g_malloc0(sizeof (*e));
1389
1390 e->cb = cb;
1391 e->opaque = opaque;
1392 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1393 return e;
1394 }
1395
1396 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1397 {
1398 QLIST_REMOVE (e, entries);
1399 g_free (e);
1400 }
1401
1402 void vm_state_notify(int running, RunState state)
1403 {
1404 VMChangeStateEntry *e;
1405
1406 trace_vm_state_notify(running, state);
1407
1408 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1409 e->cb(e->opaque, running, state);
1410 }
1411 }
1412
1413 void vm_start(void)
1414 {
1415 if (!runstate_is_running()) {
1416 cpu_enable_ticks();
1417 runstate_set(RUN_STATE_RUNNING);
1418 vm_state_notify(1, RUN_STATE_RUNNING);
1419 resume_all_vcpus();
1420 monitor_protocol_event(QEVENT_RESUME, NULL);
1421 }
1422 }
1423
1424 /* reset/shutdown handler */
1425
1426 typedef struct QEMUResetEntry {
1427 QTAILQ_ENTRY(QEMUResetEntry) entry;
1428 QEMUResetHandler *func;
1429 void *opaque;
1430 } QEMUResetEntry;
1431
1432 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1433 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1434 static int reset_requested;
1435 static int shutdown_requested, shutdown_signal = -1;
1436 static pid_t shutdown_pid;
1437 static int powerdown_requested;
1438 static int debug_requested;
1439 static int suspend_requested;
1440 static int wakeup_requested;
1441 static NotifierList powerdown_notifiers =
1442 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1443 static NotifierList suspend_notifiers =
1444 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1445 static NotifierList wakeup_notifiers =
1446 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1447 static uint32_t wakeup_reason_mask = ~0;
1448 static RunState vmstop_requested = RUN_STATE_MAX;
1449
1450 int qemu_shutdown_requested_get(void)
1451 {
1452 return shutdown_requested;
1453 }
1454
1455 int qemu_reset_requested_get(void)
1456 {
1457 return reset_requested;
1458 }
1459
1460 int qemu_shutdown_requested(void)
1461 {
1462 int r = shutdown_requested;
1463 shutdown_requested = 0;
1464 return r;
1465 }
1466
1467 void qemu_kill_report(void)
1468 {
1469 if (!qtest_enabled() && shutdown_signal != -1) {
1470 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1471 if (shutdown_pid == 0) {
1472 /* This happens for eg ^C at the terminal, so it's worth
1473 * avoiding printing an odd message in that case.
1474 */
1475 fputc('\n', stderr);
1476 } else {
1477 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1478 }
1479 shutdown_signal = -1;
1480 }
1481 }
1482
1483 int qemu_reset_requested(void)
1484 {
1485 int r = reset_requested;
1486 reset_requested = 0;
1487 return r;
1488 }
1489
1490 static int qemu_suspend_requested(void)
1491 {
1492 int r = suspend_requested;
1493 suspend_requested = 0;
1494 return r;
1495 }
1496
1497 static int qemu_wakeup_requested(void)
1498 {
1499 int r = wakeup_requested;
1500 wakeup_requested = 0;
1501 return r;
1502 }
1503
1504 int qemu_powerdown_requested(void)
1505 {
1506 int r = powerdown_requested;
1507 powerdown_requested = 0;
1508 return r;
1509 }
1510
1511 static int qemu_debug_requested(void)
1512 {
1513 int r = debug_requested;
1514 debug_requested = 0;
1515 return r;
1516 }
1517
1518 /* We use RUN_STATE_MAX but any invalid value will do */
1519 static bool qemu_vmstop_requested(RunState *r)
1520 {
1521 if (vmstop_requested < RUN_STATE_MAX) {
1522 *r = vmstop_requested;
1523 vmstop_requested = RUN_STATE_MAX;
1524 return true;
1525 }
1526
1527 return false;
1528 }
1529
1530 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1531 {
1532 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1533
1534 re->func = func;
1535 re->opaque = opaque;
1536 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1537 }
1538
1539 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1540 {
1541 QEMUResetEntry *re;
1542
1543 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1544 if (re->func == func && re->opaque == opaque) {
1545 QTAILQ_REMOVE(&reset_handlers, re, entry);
1546 g_free(re);
1547 return;
1548 }
1549 }
1550 }
1551
1552 void qemu_devices_reset(void)
1553 {
1554 QEMUResetEntry *re, *nre;
1555
1556 /* reset all devices */
1557 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1558 re->func(re->opaque);
1559 }
1560 }
1561
1562 void qemu_system_reset(bool report)
1563 {
1564 if (current_machine && current_machine->reset) {
1565 current_machine->reset();
1566 } else {
1567 qemu_devices_reset();
1568 }
1569 if (report) {
1570 monitor_protocol_event(QEVENT_RESET, NULL);
1571 }
1572 cpu_synchronize_all_post_reset();
1573 }
1574
1575 void qemu_system_reset_request(void)
1576 {
1577 if (no_reboot) {
1578 shutdown_requested = 1;
1579 } else {
1580 reset_requested = 1;
1581 }
1582 cpu_stop_current();
1583 qemu_notify_event();
1584 }
1585
1586 static void qemu_system_suspend(void)
1587 {
1588 pause_all_vcpus();
1589 notifier_list_notify(&suspend_notifiers, NULL);
1590 runstate_set(RUN_STATE_SUSPENDED);
1591 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1592 }
1593
1594 void qemu_system_suspend_request(void)
1595 {
1596 if (runstate_check(RUN_STATE_SUSPENDED)) {
1597 return;
1598 }
1599 suspend_requested = 1;
1600 cpu_stop_current();
1601 qemu_notify_event();
1602 }
1603
1604 void qemu_register_suspend_notifier(Notifier *notifier)
1605 {
1606 notifier_list_add(&suspend_notifiers, notifier);
1607 }
1608
1609 void qemu_system_wakeup_request(WakeupReason reason)
1610 {
1611 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1612 return;
1613 }
1614 if (!(wakeup_reason_mask & (1 << reason))) {
1615 return;
1616 }
1617 runstate_set(RUN_STATE_RUNNING);
1618 notifier_list_notify(&wakeup_notifiers, &reason);
1619 wakeup_requested = 1;
1620 qemu_notify_event();
1621 }
1622
1623 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1624 {
1625 if (enabled) {
1626 wakeup_reason_mask |= (1 << reason);
1627 } else {
1628 wakeup_reason_mask &= ~(1 << reason);
1629 }
1630 }
1631
1632 void qemu_register_wakeup_notifier(Notifier *notifier)
1633 {
1634 notifier_list_add(&wakeup_notifiers, notifier);
1635 }
1636
1637 void qemu_system_killed(int signal, pid_t pid)
1638 {
1639 shutdown_signal = signal;
1640 shutdown_pid = pid;
1641 no_shutdown = 0;
1642 qemu_system_shutdown_request();
1643 }
1644
1645 void qemu_system_shutdown_request(void)
1646 {
1647 shutdown_requested = 1;
1648 qemu_notify_event();
1649 }
1650
1651 static void qemu_system_powerdown(void)
1652 {
1653 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1654 notifier_list_notify(&powerdown_notifiers, NULL);
1655 }
1656
1657 void qemu_system_powerdown_request(void)
1658 {
1659 powerdown_requested = 1;
1660 qemu_notify_event();
1661 }
1662
1663 void qemu_register_powerdown_notifier(Notifier *notifier)
1664 {
1665 notifier_list_add(&powerdown_notifiers, notifier);
1666 }
1667
1668 void qemu_system_debug_request(void)
1669 {
1670 debug_requested = 1;
1671 qemu_notify_event();
1672 }
1673
1674 void qemu_system_vmstop_request(RunState state)
1675 {
1676 vmstop_requested = state;
1677 qemu_notify_event();
1678 }
1679
1680 static bool main_loop_should_exit(void)
1681 {
1682 RunState r;
1683 if (qemu_debug_requested()) {
1684 vm_stop(RUN_STATE_DEBUG);
1685 }
1686 if (qemu_suspend_requested()) {
1687 qemu_system_suspend();
1688 }
1689 if (qemu_shutdown_requested()) {
1690 qemu_kill_report();
1691 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1692 if (no_shutdown) {
1693 vm_stop(RUN_STATE_SHUTDOWN);
1694 } else {
1695 return true;
1696 }
1697 }
1698 if (qemu_reset_requested()) {
1699 pause_all_vcpus();
1700 cpu_synchronize_all_states();
1701 qemu_system_reset(VMRESET_REPORT);
1702 resume_all_vcpus();
1703 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1704 runstate_check(RUN_STATE_SHUTDOWN)) {
1705 runstate_set(RUN_STATE_PAUSED);
1706 }
1707 }
1708 if (qemu_wakeup_requested()) {
1709 pause_all_vcpus();
1710 cpu_synchronize_all_states();
1711 qemu_system_reset(VMRESET_SILENT);
1712 resume_all_vcpus();
1713 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1714 }
1715 if (qemu_powerdown_requested()) {
1716 qemu_system_powerdown();
1717 }
1718 if (qemu_vmstop_requested(&r)) {
1719 vm_stop(r);
1720 }
1721 return false;
1722 }
1723
1724 static void main_loop(void)
1725 {
1726 bool nonblocking;
1727 int last_io = 0;
1728 #ifdef CONFIG_PROFILER
1729 int64_t ti;
1730 #endif
1731 do {
1732 nonblocking = !kvm_enabled() && last_io > 0;
1733 #ifdef CONFIG_PROFILER
1734 ti = profile_getclock();
1735 #endif
1736 last_io = main_loop_wait(nonblocking);
1737 #ifdef CONFIG_PROFILER
1738 dev_time += profile_getclock() - ti;
1739 #endif
1740 } while (!main_loop_should_exit());
1741 }
1742
1743 static void version(void)
1744 {
1745 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1746 }
1747
1748 static void help(int exitcode)
1749 {
1750 version();
1751 printf("usage: %s [options] [disk_image]\n\n"
1752 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1753 error_get_progname());
1754
1755 #define QEMU_OPTIONS_GENERATE_HELP
1756 #include "qemu-options-wrapper.h"
1757
1758 printf("\nDuring emulation, the following keys are useful:\n"
1759 "ctrl-alt-f toggle full screen\n"
1760 "ctrl-alt-n switch to virtual console 'n'\n"
1761 "ctrl-alt toggle mouse and keyboard grab\n"
1762 "\n"
1763 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1764
1765 exit(exitcode);
1766 }
1767
1768 #define HAS_ARG 0x0001
1769
1770 typedef struct QEMUOption {
1771 const char *name;
1772 int flags;
1773 int index;
1774 uint32_t arch_mask;
1775 } QEMUOption;
1776
1777 static const QEMUOption qemu_options[] = {
1778 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1779 #define QEMU_OPTIONS_GENERATE_OPTIONS
1780 #include "qemu-options-wrapper.h"
1781 { NULL },
1782 };
1783
1784 static bool vga_available(void)
1785 {
1786 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1787 }
1788
1789 static bool cirrus_vga_available(void)
1790 {
1791 return object_class_by_name("cirrus-vga")
1792 || object_class_by_name("isa-cirrus-vga");
1793 }
1794
1795 static bool vmware_vga_available(void)
1796 {
1797 return object_class_by_name("vmware-svga");
1798 }
1799
1800 static bool qxl_vga_available(void)
1801 {
1802 return object_class_by_name("qxl-vga");
1803 }
1804
1805 static void select_vgahw (const char *p)
1806 {
1807 const char *opts;
1808
1809 vga_interface_type = VGA_NONE;
1810 if (strstart(p, "std", &opts)) {
1811 if (vga_available()) {
1812 vga_interface_type = VGA_STD;
1813 } else {
1814 fprintf(stderr, "Error: standard VGA not available\n");
1815 exit(0);
1816 }
1817 } else if (strstart(p, "cirrus", &opts)) {
1818 if (cirrus_vga_available()) {
1819 vga_interface_type = VGA_CIRRUS;
1820 } else {
1821 fprintf(stderr, "Error: Cirrus VGA not available\n");
1822 exit(0);
1823 }
1824 } else if (strstart(p, "vmware", &opts)) {
1825 if (vmware_vga_available()) {
1826 vga_interface_type = VGA_VMWARE;
1827 } else {
1828 fprintf(stderr, "Error: VMWare SVGA not available\n");
1829 exit(0);
1830 }
1831 } else if (strstart(p, "xenfb", &opts)) {
1832 vga_interface_type = VGA_XENFB;
1833 } else if (strstart(p, "qxl", &opts)) {
1834 if (qxl_vga_available()) {
1835 vga_interface_type = VGA_QXL;
1836 } else {
1837 fprintf(stderr, "Error: QXL VGA not available\n");
1838 exit(0);
1839 }
1840 } else if (!strstart(p, "none", &opts)) {
1841 invalid_vga:
1842 fprintf(stderr, "Unknown vga type: %s\n", p);
1843 exit(1);
1844 }
1845 while (*opts) {
1846 const char *nextopt;
1847
1848 if (strstart(opts, ",retrace=", &nextopt)) {
1849 opts = nextopt;
1850 if (strstart(opts, "dumb", &nextopt))
1851 vga_retrace_method = VGA_RETRACE_DUMB;
1852 else if (strstart(opts, "precise", &nextopt))
1853 vga_retrace_method = VGA_RETRACE_PRECISE;
1854 else goto invalid_vga;
1855 } else goto invalid_vga;
1856 opts = nextopt;
1857 }
1858 }
1859
1860 static DisplayType select_display(const char *p)
1861 {
1862 const char *opts;
1863 DisplayType display = DT_DEFAULT;
1864
1865 if (strstart(p, "sdl", &opts)) {
1866 #ifdef CONFIG_SDL
1867 display = DT_SDL;
1868 while (*opts) {
1869 const char *nextopt;
1870
1871 if (strstart(opts, ",frame=", &nextopt)) {
1872 opts = nextopt;
1873 if (strstart(opts, "on", &nextopt)) {
1874 no_frame = 0;
1875 } else if (strstart(opts, "off", &nextopt)) {
1876 no_frame = 1;
1877 } else {
1878 goto invalid_sdl_args;
1879 }
1880 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1881 opts = nextopt;
1882 if (strstart(opts, "on", &nextopt)) {
1883 alt_grab = 1;
1884 } else if (strstart(opts, "off", &nextopt)) {
1885 alt_grab = 0;
1886 } else {
1887 goto invalid_sdl_args;
1888 }
1889 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1890 opts = nextopt;
1891 if (strstart(opts, "on", &nextopt)) {
1892 ctrl_grab = 1;
1893 } else if (strstart(opts, "off", &nextopt)) {
1894 ctrl_grab = 0;
1895 } else {
1896 goto invalid_sdl_args;
1897 }
1898 } else if (strstart(opts, ",window_close=", &nextopt)) {
1899 opts = nextopt;
1900 if (strstart(opts, "on", &nextopt)) {
1901 no_quit = 0;
1902 } else if (strstart(opts, "off", &nextopt)) {
1903 no_quit = 1;
1904 } else {
1905 goto invalid_sdl_args;
1906 }
1907 } else {
1908 invalid_sdl_args:
1909 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1910 exit(1);
1911 }
1912 opts = nextopt;
1913 }
1914 #else
1915 fprintf(stderr, "SDL support is disabled\n");
1916 exit(1);
1917 #endif
1918 } else if (strstart(p, "vnc", &opts)) {
1919 #ifdef CONFIG_VNC
1920 display_remote++;
1921
1922 if (*opts) {
1923 const char *nextopt;
1924
1925 if (strstart(opts, "=", &nextopt)) {
1926 vnc_display = nextopt;
1927 }
1928 }
1929 if (!vnc_display) {
1930 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1931 exit(1);
1932 }
1933 #else
1934 fprintf(stderr, "VNC support is disabled\n");
1935 exit(1);
1936 #endif
1937 } else if (strstart(p, "curses", &opts)) {
1938 #ifdef CONFIG_CURSES
1939 display = DT_CURSES;
1940 #else
1941 fprintf(stderr, "Curses support is disabled\n");
1942 exit(1);
1943 #endif
1944 } else if (strstart(p, "none", &opts)) {
1945 display = DT_NONE;
1946 } else {
1947 fprintf(stderr, "Unknown display type: %s\n", p);
1948 exit(1);
1949 }
1950
1951 return display;
1952 }
1953
1954 static int balloon_parse(const char *arg)
1955 {
1956 QemuOpts *opts;
1957
1958 if (strcmp(arg, "none") == 0) {
1959 return 0;
1960 }
1961
1962 if (!strncmp(arg, "virtio", 6)) {
1963 if (arg[6] == ',') {
1964 /* have params -> parse them */
1965 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1966 if (!opts)
1967 return -1;
1968 } else {
1969 /* create empty opts */
1970 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1971 }
1972 qemu_opt_set(opts, "driver", "virtio-balloon");
1973 return 0;
1974 }
1975
1976 return -1;
1977 }
1978
1979 char *qemu_find_file(int type, const char *name)
1980 {
1981 int len;
1982 const char *subdir;
1983 char *buf;
1984
1985 /* Try the name as a straight path first */
1986 if (access(name, R_OK) == 0) {
1987 return g_strdup(name);
1988 }
1989 switch (type) {
1990 case QEMU_FILE_TYPE_BIOS:
1991 subdir = "";
1992 break;
1993 case QEMU_FILE_TYPE_KEYMAP:
1994 subdir = "keymaps/";
1995 break;
1996 default:
1997 abort();
1998 }
1999 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2000 buf = g_malloc0(len);
2001 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2002 if (access(buf, R_OK)) {
2003 g_free(buf);
2004 return NULL;
2005 }
2006 return buf;
2007 }
2008
2009 static int device_help_func(QemuOpts *opts, void *opaque)
2010 {
2011 return qdev_device_help(opts);
2012 }
2013
2014 static int device_init_func(QemuOpts *opts, void *opaque)
2015 {
2016 DeviceState *dev;
2017
2018 dev = qdev_device_add(opts);
2019 if (!dev)
2020 return -1;
2021 return 0;
2022 }
2023
2024 static int chardev_init_func(QemuOpts *opts, void *opaque)
2025 {
2026 CharDriverState *chr;
2027
2028 chr = qemu_chr_new_from_opts(opts, NULL);
2029 if (!chr)
2030 return -1;
2031 return 0;
2032 }
2033
2034 #ifdef CONFIG_VIRTFS
2035 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2036 {
2037 int ret;
2038 ret = qemu_fsdev_add(opts);
2039
2040 return ret;
2041 }
2042 #endif
2043
2044 static int mon_init_func(QemuOpts *opts, void *opaque)
2045 {
2046 CharDriverState *chr;
2047 const char *chardev;
2048 const char *mode;
2049 int flags;
2050
2051 mode = qemu_opt_get(opts, "mode");
2052 if (mode == NULL) {
2053 mode = "readline";
2054 }
2055 if (strcmp(mode, "readline") == 0) {
2056 flags = MONITOR_USE_READLINE;
2057 } else if (strcmp(mode, "control") == 0) {
2058 flags = MONITOR_USE_CONTROL;
2059 } else {
2060 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2061 exit(1);
2062 }
2063
2064 if (qemu_opt_get_bool(opts, "pretty", 0))
2065 flags |= MONITOR_USE_PRETTY;
2066
2067 if (qemu_opt_get_bool(opts, "default", 0))
2068 flags |= MONITOR_IS_DEFAULT;
2069
2070 chardev = qemu_opt_get(opts, "chardev");
2071 chr = qemu_chr_find(chardev);
2072 if (chr == NULL) {
2073 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2074 exit(1);
2075 }
2076
2077 monitor_init(chr, flags);
2078 return 0;
2079 }
2080
2081 static void monitor_parse(const char *optarg, const char *mode)
2082 {
2083 static int monitor_device_index = 0;
2084 QemuOpts *opts;
2085 const char *p;
2086 char label[32];
2087 int def = 0;
2088
2089 if (strstart(optarg, "chardev:", &p)) {
2090 snprintf(label, sizeof(label), "%s", p);
2091 } else {
2092 snprintf(label, sizeof(label), "compat_monitor%d",
2093 monitor_device_index);
2094 if (monitor_device_index == 0) {
2095 def = 1;
2096 }
2097 opts = qemu_chr_parse_compat(label, optarg);
2098 if (!opts) {
2099 fprintf(stderr, "parse error: %s\n", optarg);
2100 exit(1);
2101 }
2102 }
2103
2104 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2105 if (!opts) {
2106 fprintf(stderr, "duplicate chardev: %s\n", label);
2107 exit(1);
2108 }
2109 qemu_opt_set(opts, "mode", mode);
2110 qemu_opt_set(opts, "chardev", label);
2111 if (def)
2112 qemu_opt_set(opts, "default", "on");
2113 monitor_device_index++;
2114 }
2115
2116 struct device_config {
2117 enum {
2118 DEV_USB, /* -usbdevice */
2119 DEV_BT, /* -bt */
2120 DEV_SERIAL, /* -serial */
2121 DEV_PARALLEL, /* -parallel */
2122 DEV_VIRTCON, /* -virtioconsole */
2123 DEV_DEBUGCON, /* -debugcon */
2124 DEV_GDB, /* -gdb, -s */
2125 } type;
2126 const char *cmdline;
2127 Location loc;
2128 QTAILQ_ENTRY(device_config) next;
2129 };
2130 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2131
2132 static void add_device_config(int type, const char *cmdline)
2133 {
2134 struct device_config *conf;
2135
2136 conf = g_malloc0(sizeof(*conf));
2137 conf->type = type;
2138 conf->cmdline = cmdline;
2139 loc_save(&conf->loc);
2140 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2141 }
2142
2143 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2144 {
2145 struct device_config *conf;
2146 int rc;
2147
2148 QTAILQ_FOREACH(conf, &device_configs, next) {
2149 if (conf->type != type)
2150 continue;
2151 loc_push_restore(&conf->loc);
2152 rc = func(conf->cmdline);
2153 loc_pop(&conf->loc);
2154 if (0 != rc)
2155 return rc;
2156 }
2157 return 0;
2158 }
2159
2160 static int serial_parse(const char *devname)
2161 {
2162 static int index = 0;
2163 char label[32];
2164
2165 if (strcmp(devname, "none") == 0)
2166 return 0;
2167 if (index == MAX_SERIAL_PORTS) {
2168 fprintf(stderr, "qemu: too many serial ports\n");
2169 exit(1);
2170 }
2171 snprintf(label, sizeof(label), "serial%d", index);
2172 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2173 if (!serial_hds[index]) {
2174 fprintf(stderr, "qemu: could not connect serial device"
2175 " to character backend '%s'\n", devname);
2176 return -1;
2177 }
2178 index++;
2179 return 0;
2180 }
2181
2182 static int parallel_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_PARALLEL_PORTS) {
2190 fprintf(stderr, "qemu: too many parallel ports\n");
2191 exit(1);
2192 }
2193 snprintf(label, sizeof(label), "parallel%d", index);
2194 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2195 if (!parallel_hds[index]) {
2196 fprintf(stderr, "qemu: could not connect parallel device"
2197 " to character backend '%s'\n", devname);
2198 return -1;
2199 }
2200 index++;
2201 return 0;
2202 }
2203
2204 static int virtcon_parse(const char *devname)
2205 {
2206 QemuOptsList *device = qemu_find_opts("device");
2207 static int index = 0;
2208 char label[32];
2209 QemuOpts *bus_opts, *dev_opts;
2210
2211 if (strcmp(devname, "none") == 0)
2212 return 0;
2213 if (index == MAX_VIRTIO_CONSOLES) {
2214 fprintf(stderr, "qemu: too many virtio consoles\n");
2215 exit(1);
2216 }
2217
2218 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2219 if (arch_type == QEMU_ARCH_S390X) {
2220 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2221 } else {
2222 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2223 }
2224
2225 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2226 qemu_opt_set(dev_opts, "driver", "virtconsole");
2227
2228 snprintf(label, sizeof(label), "virtcon%d", index);
2229 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2230 if (!virtcon_hds[index]) {
2231 fprintf(stderr, "qemu: could not connect virtio console"
2232 " to character backend '%s'\n", devname);
2233 return -1;
2234 }
2235 qemu_opt_set(dev_opts, "chardev", label);
2236
2237 index++;
2238 return 0;
2239 }
2240
2241 static int debugcon_parse(const char *devname)
2242 {
2243 QemuOpts *opts;
2244
2245 if (!qemu_chr_new("debugcon", devname, NULL)) {
2246 exit(1);
2247 }
2248 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2249 if (!opts) {
2250 fprintf(stderr, "qemu: already have a debugcon device\n");
2251 exit(1);
2252 }
2253 qemu_opt_set(opts, "driver", "isa-debugcon");
2254 qemu_opt_set(opts, "chardev", "debugcon");
2255 return 0;
2256 }
2257
2258 static QEMUMachine *machine_parse(const char *name)
2259 {
2260 QEMUMachine *m, *machine = NULL;
2261
2262 if (name) {
2263 machine = find_machine(name);
2264 }
2265 if (machine) {
2266 return machine;
2267 }
2268 printf("Supported machines are:\n");
2269 for (m = first_machine; m != NULL; m = m->next) {
2270 if (m->alias) {
2271 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2272 }
2273 printf("%-20s %s%s\n", m->name, m->desc,
2274 m->is_default ? " (default)" : "");
2275 }
2276 exit(!name || !is_help_option(name));
2277 }
2278
2279 static int tcg_init(void)
2280 {
2281 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2282 return 0;
2283 }
2284
2285 static struct {
2286 const char *opt_name;
2287 const char *name;
2288 int (*available)(void);
2289 int (*init)(void);
2290 int *allowed;
2291 } accel_list[] = {
2292 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2293 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2294 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2295 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2296 };
2297
2298 static int configure_accelerator(void)
2299 {
2300 const char *p = NULL;
2301 char buf[10];
2302 int i, ret;
2303 bool accel_initialised = 0;
2304 bool init_failed = 0;
2305
2306 QemuOptsList *list = qemu_find_opts("machine");
2307 if (!QTAILQ_EMPTY(&list->head)) {
2308 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2309 }
2310
2311 if (p == NULL) {
2312 /* Use the default "accelerator", tcg */
2313 p = "tcg";
2314 }
2315
2316 while (!accel_initialised && *p != '\0') {
2317 if (*p == ':') {
2318 p++;
2319 }
2320 p = get_opt_name(buf, sizeof (buf), p, ':');
2321 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2322 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2323 *(accel_list[i].allowed) = 1;
2324 ret = accel_list[i].init();
2325 if (ret < 0) {
2326 init_failed = 1;
2327 if (!accel_list[i].available()) {
2328 printf("%s not supported for this target\n",
2329 accel_list[i].name);
2330 } else {
2331 fprintf(stderr, "failed to initialize %s: %s\n",
2332 accel_list[i].name,
2333 strerror(-ret));
2334 }
2335 *(accel_list[i].allowed) = 0;
2336 } else {
2337 accel_initialised = 1;
2338 }
2339 break;
2340 }
2341 }
2342 if (i == ARRAY_SIZE(accel_list)) {
2343 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2344 }
2345 }
2346
2347 if (!accel_initialised) {
2348 fprintf(stderr, "No accelerator found!\n");
2349 exit(1);
2350 }
2351
2352 if (init_failed) {
2353 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2354 }
2355
2356 return !accel_initialised;
2357 }
2358
2359 void qemu_add_exit_notifier(Notifier *notify)
2360 {
2361 notifier_list_add(&exit_notifiers, notify);
2362 }
2363
2364 void qemu_remove_exit_notifier(Notifier *notify)
2365 {
2366 notifier_remove(notify);
2367 }
2368
2369 static void qemu_run_exit_notifiers(void)
2370 {
2371 notifier_list_notify(&exit_notifiers, NULL);
2372 }
2373
2374 void qemu_add_machine_init_done_notifier(Notifier *notify)
2375 {
2376 notifier_list_add(&machine_init_done_notifiers, notify);
2377 }
2378
2379 static void qemu_run_machine_init_done_notifiers(void)
2380 {
2381 notifier_list_notify(&machine_init_done_notifiers, NULL);
2382 }
2383
2384 static const QEMUOption *lookup_opt(int argc, char **argv,
2385 const char **poptarg, int *poptind)
2386 {
2387 const QEMUOption *popt;
2388 int optind = *poptind;
2389 char *r = argv[optind];
2390 const char *optarg;
2391
2392 loc_set_cmdline(argv, optind, 1);
2393 optind++;
2394 /* Treat --foo the same as -foo. */
2395 if (r[1] == '-')
2396 r++;
2397 popt = qemu_options;
2398 for(;;) {
2399 if (!popt->name) {
2400 error_report("invalid option");
2401 exit(1);
2402 }
2403 if (!strcmp(popt->name, r + 1))
2404 break;
2405 popt++;
2406 }
2407 if (popt->flags & HAS_ARG) {
2408 if (optind >= argc) {
2409 error_report("requires an argument");
2410 exit(1);
2411 }
2412 optarg = argv[optind++];
2413 loc_set_cmdline(argv, optind - 2, 2);
2414 } else {
2415 optarg = NULL;
2416 }
2417
2418 *poptarg = optarg;
2419 *poptind = optind;
2420
2421 return popt;
2422 }
2423
2424 static gpointer malloc_and_trace(gsize n_bytes)
2425 {
2426 void *ptr = malloc(n_bytes);
2427 trace_g_malloc(n_bytes, ptr);
2428 return ptr;
2429 }
2430
2431 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2432 {
2433 void *ptr = realloc(mem, n_bytes);
2434 trace_g_realloc(mem, n_bytes, ptr);
2435 return ptr;
2436 }
2437
2438 static void free_and_trace(gpointer mem)
2439 {
2440 trace_g_free(mem);
2441 free(mem);
2442 }
2443
2444 int main(int argc, char **argv, char **envp)
2445 {
2446 int i;
2447 int snapshot, linux_boot;
2448 const char *icount_option = NULL;
2449 const char *initrd_filename;
2450 const char *kernel_filename, *kernel_cmdline;
2451 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2452 DisplayState *ds;
2453 DisplayChangeListener *dcl;
2454 int cyls, heads, secs, translation;
2455 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2456 QemuOptsList *olist;
2457 int optind;
2458 const char *optarg;
2459 const char *loadvm = NULL;
2460 QEMUMachine *machine;
2461 const char *cpu_model;
2462 const char *vga_model = "none";
2463 const char *pid_file = NULL;
2464 const char *incoming = NULL;
2465 #ifdef CONFIG_VNC
2466 int show_vnc_port = 0;
2467 #endif
2468 bool defconfig = true;
2469 bool userconfig = true;
2470 const char *log_mask = NULL;
2471 const char *log_file = NULL;
2472 GMemVTable mem_trace = {
2473 .malloc = malloc_and_trace,
2474 .realloc = realloc_and_trace,
2475 .free = free_and_trace,
2476 };
2477 const char *trace_events = NULL;
2478 const char *trace_file = NULL;
2479
2480 atexit(qemu_run_exit_notifiers);
2481 error_set_progname(argv[0]);
2482
2483 g_mem_set_vtable(&mem_trace);
2484 if (!g_thread_supported()) {
2485 #if !GLIB_CHECK_VERSION(2, 31, 0)
2486 g_thread_init(NULL);
2487 #else
2488 fprintf(stderr, "glib threading failed to initialize.\n");
2489 exit(1);
2490 #endif
2491 }
2492
2493 module_call_init(MODULE_INIT_QOM);
2494
2495 runstate_init();
2496
2497 init_clocks();
2498 rtc_clock = host_clock;
2499
2500 qemu_cache_utils_init(envp);
2501
2502 QLIST_INIT (&vm_change_state_head);
2503 os_setup_early_signal_handling();
2504
2505 module_call_init(MODULE_INIT_MACHINE);
2506 machine = find_default_machine();
2507 cpu_model = NULL;
2508 ram_size = 0;
2509 snapshot = 0;
2510 cyls = heads = secs = 0;
2511 translation = BIOS_ATA_TRANSLATION_AUTO;
2512
2513 for (i = 0; i < MAX_NODES; i++) {
2514 node_mem[i] = 0;
2515 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2516 }
2517
2518 nb_numa_nodes = 0;
2519 nb_nics = 0;
2520
2521 autostart= 1;
2522
2523 /* first pass of option parsing */
2524 optind = 1;
2525 while (optind < argc) {
2526 if (argv[optind][0] != '-') {
2527 /* disk image */
2528 optind++;
2529 continue;
2530 } else {
2531 const QEMUOption *popt;
2532
2533 popt = lookup_opt(argc, argv, &optarg, &optind);
2534 switch (popt->index) {
2535 case QEMU_OPTION_nodefconfig:
2536 defconfig = false;
2537 break;
2538 case QEMU_OPTION_nouserconfig:
2539 userconfig = false;
2540 break;
2541 }
2542 }
2543 }
2544
2545 if (defconfig) {
2546 int ret;
2547 ret = qemu_read_default_config_files(userconfig);
2548 if (ret < 0) {
2549 exit(1);
2550 }
2551 }
2552
2553 /* second pass of option parsing */
2554 optind = 1;
2555 for(;;) {
2556 if (optind >= argc)
2557 break;
2558 if (argv[optind][0] != '-') {
2559 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2560 } else {
2561 const QEMUOption *popt;
2562
2563 popt = lookup_opt(argc, argv, &optarg, &optind);
2564 if (!(popt->arch_mask & arch_type)) {
2565 printf("Option %s not supported for this target\n", popt->name);
2566 exit(1);
2567 }
2568 switch(popt->index) {
2569 case QEMU_OPTION_M:
2570 machine = machine_parse(optarg);
2571 break;
2572 case QEMU_OPTION_no_kvm_irqchip: {
2573 olist = qemu_find_opts("machine");
2574 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2575 break;
2576 }
2577 case QEMU_OPTION_cpu:
2578 /* hw initialization will check this */
2579 cpu_model = optarg;
2580 break;
2581 case QEMU_OPTION_hda:
2582 {
2583 char buf[256];
2584 if (cyls == 0)
2585 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2586 else
2587 snprintf(buf, sizeof(buf),
2588 "%s,cyls=%d,heads=%d,secs=%d%s",
2589 HD_OPTS , cyls, heads, secs,
2590 translation == BIOS_ATA_TRANSLATION_LBA ?
2591 ",trans=lba" :
2592 translation == BIOS_ATA_TRANSLATION_NONE ?
2593 ",trans=none" : "");
2594 drive_add(IF_DEFAULT, 0, optarg, buf);
2595 break;
2596 }
2597 case QEMU_OPTION_hdb:
2598 case QEMU_OPTION_hdc:
2599 case QEMU_OPTION_hdd:
2600 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2601 HD_OPTS);
2602 break;
2603 case QEMU_OPTION_drive:
2604 if (drive_def(optarg) == NULL) {
2605 exit(1);
2606 }
2607 break;
2608 case QEMU_OPTION_set:
2609 if (qemu_set_option(optarg) != 0)
2610 exit(1);
2611 break;
2612 case QEMU_OPTION_global:
2613 if (qemu_global_option(optarg) != 0)
2614 exit(1);
2615 break;
2616 case QEMU_OPTION_mtdblock:
2617 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2618 break;
2619 case QEMU_OPTION_sd:
2620 drive_add(IF_SD, 0, optarg, SD_OPTS);
2621 break;
2622 case QEMU_OPTION_pflash:
2623 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2624 break;
2625 case QEMU_OPTION_snapshot:
2626 snapshot = 1;
2627 break;
2628 case QEMU_OPTION_hdachs:
2629 {
2630 const char *p;
2631 p = optarg;
2632 cyls = strtol(p, (char **)&p, 0);
2633 if (cyls < 1 || cyls > 16383)
2634 goto chs_fail;
2635 if (*p != ',')
2636 goto chs_fail;
2637 p++;
2638 heads = strtol(p, (char **)&p, 0);
2639 if (heads < 1 || heads > 16)
2640 goto chs_fail;
2641 if (*p != ',')
2642 goto chs_fail;
2643 p++;
2644 secs = strtol(p, (char **)&p, 0);
2645 if (secs < 1 || secs > 63)
2646 goto chs_fail;
2647 if (*p == ',') {
2648 p++;
2649 if (!strcmp(p, "none"))
2650 translation = BIOS_ATA_TRANSLATION_NONE;
2651 else if (!strcmp(p, "lba"))
2652 translation = BIOS_ATA_TRANSLATION_LBA;
2653 else if (!strcmp(p, "auto"))
2654 translation = BIOS_ATA_TRANSLATION_AUTO;
2655 else
2656 goto chs_fail;
2657 } else if (*p != '\0') {
2658 chs_fail:
2659 fprintf(stderr, "qemu: invalid physical CHS format\n");
2660 exit(1);
2661 }
2662 if (hda_opts != NULL) {
2663 char num[16];
2664 snprintf(num, sizeof(num), "%d", cyls);
2665 qemu_opt_set(hda_opts, "cyls", num);
2666 snprintf(num, sizeof(num), "%d", heads);
2667 qemu_opt_set(hda_opts, "heads", num);
2668 snprintf(num, sizeof(num), "%d", secs);
2669 qemu_opt_set(hda_opts, "secs", num);
2670 if (translation == BIOS_ATA_TRANSLATION_LBA)
2671 qemu_opt_set(hda_opts, "trans", "lba");
2672 if (translation == BIOS_ATA_TRANSLATION_NONE)
2673 qemu_opt_set(hda_opts, "trans", "none");
2674 }
2675 }
2676 break;
2677 case QEMU_OPTION_numa:
2678 if (nb_numa_nodes >= MAX_NODES) {
2679 fprintf(stderr, "qemu: too many NUMA nodes\n");
2680 exit(1);
2681 }
2682 numa_add(optarg);
2683 break;
2684 case QEMU_OPTION_display:
2685 display_type = select_display(optarg);
2686 break;
2687 case QEMU_OPTION_nographic:
2688 display_type = DT_NOGRAPHIC;
2689 break;
2690 case QEMU_OPTION_curses:
2691 #ifdef CONFIG_CURSES
2692 display_type = DT_CURSES;
2693 #else
2694 fprintf(stderr, "Curses support is disabled\n");
2695 exit(1);
2696 #endif
2697 break;
2698 case QEMU_OPTION_portrait:
2699 graphic_rotate = 90;
2700 break;
2701 case QEMU_OPTION_rotate:
2702 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2703 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2704 graphic_rotate != 180 && graphic_rotate != 270) {
2705 fprintf(stderr,
2706 "qemu: only 90, 180, 270 deg rotation is available\n");
2707 exit(1);
2708 }
2709 break;
2710 case QEMU_OPTION_kernel:
2711 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2712 break;
2713 case QEMU_OPTION_initrd:
2714 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2715 break;
2716 case QEMU_OPTION_append:
2717 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2718 break;
2719 case QEMU_OPTION_dtb:
2720 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2721 break;
2722 case QEMU_OPTION_cdrom:
2723 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2724 break;
2725 case QEMU_OPTION_boot:
2726 {
2727 static const char * const params[] = {
2728 "order", "once", "menu",
2729 "splash", "splash-time",
2730 "reboot-timeout", NULL
2731 };
2732 char buf[sizeof(boot_devices)];
2733 char *standard_boot_devices;
2734 int legacy = 0;
2735
2736 if (!strchr(optarg, '=')) {
2737 legacy = 1;
2738 pstrcpy(buf, sizeof(buf), optarg);
2739 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2740 fprintf(stderr,
2741 "qemu: unknown boot parameter '%s' in '%s'\n",
2742 buf, optarg);
2743 exit(1);
2744 }
2745
2746 if (legacy ||
2747 get_param_value(buf, sizeof(buf), "order", optarg)) {
2748 validate_bootdevices(buf);
2749 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2750 }
2751 if (!legacy) {
2752 if (get_param_value(buf, sizeof(buf),
2753 "once", optarg)) {
2754 validate_bootdevices(buf);
2755 standard_boot_devices = g_strdup(boot_devices);
2756 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2757 qemu_register_reset(restore_boot_devices,
2758 standard_boot_devices);
2759 }
2760 if (get_param_value(buf, sizeof(buf),
2761 "menu", optarg)) {
2762 if (!strcmp(buf, "on")) {
2763 boot_menu = 1;
2764 } else if (!strcmp(buf, "off")) {
2765 boot_menu = 0;
2766 } else {
2767 fprintf(stderr,
2768 "qemu: invalid option value '%s'\n",
2769 buf);
2770 exit(1);
2771 }
2772 }
2773 qemu_opts_parse(qemu_find_opts("boot-opts"),
2774 optarg, 0);
2775 }
2776 }
2777 break;
2778 case QEMU_OPTION_fda:
2779 case QEMU_OPTION_fdb:
2780 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2781 optarg, FD_OPTS);
2782 break;
2783 case QEMU_OPTION_no_fd_bootchk:
2784 fd_bootchk = 0;
2785 break;
2786 case QEMU_OPTION_netdev:
2787 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2788 exit(1);
2789 }
2790 break;
2791 case QEMU_OPTION_net:
2792 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2793 exit(1);
2794 }
2795 break;
2796 #ifdef CONFIG_LIBISCSI
2797 case QEMU_OPTION_iscsi:
2798 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2799 if (!opts) {
2800 exit(1);
2801 }
2802 break;
2803 #endif
2804 #ifdef CONFIG_SLIRP
2805 case QEMU_OPTION_tftp:
2806 legacy_tftp_prefix = optarg;
2807 break;
2808 case QEMU_OPTION_bootp:
2809 legacy_bootp_filename = optarg;
2810 break;
2811 case QEMU_OPTION_redir:
2812 if (net_slirp_redir(optarg) < 0)
2813 exit(1);
2814 break;
2815 #endif
2816 case QEMU_OPTION_bt:
2817 add_device_config(DEV_BT, optarg);
2818 break;
2819 case QEMU_OPTION_audio_help:
2820 if (!(audio_available())) {
2821 printf("Option %s not supported for this target\n", popt->name);
2822 exit(1);
2823 }
2824 AUD_help ();
2825 exit (0);
2826 break;
2827 case QEMU_OPTION_soundhw:
2828 if (!(audio_available())) {
2829 printf("Option %s not supported for this target\n", popt->name);
2830 exit(1);
2831 }
2832 select_soundhw (optarg);
2833 break;
2834 case QEMU_OPTION_h:
2835 help(0);
2836 break;
2837 case QEMU_OPTION_version:
2838 version();
2839 exit(0);
2840 break;
2841 case QEMU_OPTION_m: {
2842 int64_t value;
2843 uint64_t sz;
2844 char *end;
2845
2846 value = strtosz(optarg, &end);
2847 if (value < 0 || *end) {
2848 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2849 exit(1);
2850 }
2851 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2852 ram_size = sz;
2853 if (ram_size != sz) {
2854 fprintf(stderr, "qemu: ram size too large\n");
2855 exit(1);
2856 }
2857 break;
2858 }
2859 case QEMU_OPTION_mempath:
2860 mem_path = optarg;
2861 break;
2862 #ifdef MAP_POPULATE
2863 case QEMU_OPTION_mem_prealloc:
2864 mem_prealloc = 1;
2865 break;
2866 #endif
2867 case QEMU_OPTION_d:
2868 log_mask = optarg;
2869 break;
2870 case QEMU_OPTION_D:
2871 log_file = optarg;
2872 break;
2873 case QEMU_OPTION_s:
2874 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2875 break;
2876 case QEMU_OPTION_gdb:
2877 add_device_config(DEV_GDB, optarg);
2878 break;
2879 case QEMU_OPTION_L:
2880 data_dir = optarg;
2881 break;
2882 case QEMU_OPTION_bios:
2883 bios_name = optarg;
2884 break;
2885 case QEMU_OPTION_singlestep:
2886 singlestep = 1;
2887 break;
2888 case QEMU_OPTION_S:
2889 autostart = 0;
2890 break;
2891 case QEMU_OPTION_k:
2892 keyboard_layout = optarg;
2893 break;
2894 case QEMU_OPTION_localtime:
2895 rtc_utc = 0;
2896 break;
2897 case QEMU_OPTION_vga:
2898 vga_model = optarg;
2899 default_vga = 0;
2900 break;
2901 case QEMU_OPTION_g:
2902 {
2903 const char *p;
2904 int w, h, depth;
2905 p = optarg;
2906 w = strtol(p, (char **)&p, 10);
2907 if (w <= 0) {
2908 graphic_error:
2909 fprintf(stderr, "qemu: invalid resolution or depth\n");
2910 exit(1);
2911 }
2912 if (*p != 'x')
2913 goto graphic_error;
2914 p++;
2915 h = strtol(p, (char **)&p, 10);
2916 if (h <= 0)
2917 goto graphic_error;
2918 if (*p == 'x') {
2919 p++;
2920 depth = strtol(p, (char **)&p, 10);
2921 if (depth != 8 && depth != 15 && depth != 16 &&
2922 depth != 24 && depth != 32)
2923 goto graphic_error;
2924 } else if (*p == '\0') {
2925 depth = graphic_depth;
2926 } else {
2927 goto graphic_error;
2928 }
2929
2930 graphic_width = w;
2931 graphic_height = h;
2932 graphic_depth = depth;
2933 }
2934 break;
2935 case QEMU_OPTION_echr:
2936 {
2937 char *r;
2938 term_escape_char = strtol(optarg, &r, 0);
2939 if (r == optarg)
2940 printf("Bad argument to echr\n");
2941 break;
2942 }
2943 case QEMU_OPTION_monitor:
2944 monitor_parse(optarg, "readline");
2945 default_monitor = 0;
2946 break;
2947 case QEMU_OPTION_qmp:
2948 monitor_parse(optarg, "control");
2949 default_monitor = 0;
2950 break;
2951 case QEMU_OPTION_mon:
2952 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2953 if (!opts) {
2954 exit(1);
2955 }
2956 default_monitor = 0;
2957 break;
2958 case QEMU_OPTION_chardev:
2959 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2960 if (!opts) {
2961 exit(1);
2962 }
2963 break;
2964 case QEMU_OPTION_fsdev:
2965 olist = qemu_find_opts("fsdev");
2966 if (!olist) {
2967 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2968 exit(1);
2969 }
2970 opts = qemu_opts_parse(olist, optarg, 1);
2971 if (!opts) {
2972 fprintf(stderr, "parse error: %s\n", optarg);
2973 exit(1);
2974 }
2975 break;
2976 case QEMU_OPTION_virtfs: {
2977 QemuOpts *fsdev;
2978 QemuOpts *device;
2979 const char *writeout, *sock_fd, *socket;
2980
2981 olist = qemu_find_opts("virtfs");
2982 if (!olist) {
2983 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2984 exit(1);
2985 }
2986 opts = qemu_opts_parse(olist, optarg, 1);
2987 if (!opts) {
2988 fprintf(stderr, "parse error: %s\n", optarg);
2989 exit(1);
2990 }
2991
2992 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2993 qemu_opt_get(opts, "mount_tag") == NULL) {
2994 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2995 exit(1);
2996 }
2997 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2998 qemu_opt_get(opts, "mount_tag"),
2999 1, NULL);
3000 if (!fsdev) {
3001 fprintf(stderr, "duplicate fsdev id: %s\n",
3002 qemu_opt_get(opts, "mount_tag"));
3003 exit(1);
3004 }
3005
3006 writeout = qemu_opt_get(opts, "writeout");
3007 if (writeout) {
3008 #ifdef CONFIG_SYNC_FILE_RANGE
3009 qemu_opt_set(fsdev, "writeout", writeout);
3010 #else
3011 fprintf(stderr, "writeout=immediate not supported on "
3012 "this platform\n");
3013 exit(1);
3014 #endif
3015 }
3016 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3017 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3018 qemu_opt_set(fsdev, "security_model",
3019 qemu_opt_get(opts, "security_model"));
3020 socket = qemu_opt_get(opts, "socket");
3021 if (socket) {
3022 qemu_opt_set(fsdev, "socket", socket);
3023 }
3024 sock_fd = qemu_opt_get(opts, "sock_fd");
3025 if (sock_fd) {
3026 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3027 }
3028
3029 qemu_opt_set_bool(fsdev, "readonly",
3030 qemu_opt_get_bool(opts, "readonly", 0));
3031 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3032 NULL);
3033 qemu_opt_set(device, "driver", "virtio-9p-pci");
3034 qemu_opt_set(device, "fsdev",
3035 qemu_opt_get(opts, "mount_tag"));
3036 qemu_opt_set(device, "mount_tag",
3037 qemu_opt_get(opts, "mount_tag"));
3038 break;
3039 }
3040 case QEMU_OPTION_virtfs_synth: {
3041 QemuOpts *fsdev;
3042 QemuOpts *device;
3043
3044 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3045 1, NULL);
3046 if (!fsdev) {
3047 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3048 exit(1);
3049 }
3050 qemu_opt_set(fsdev, "fsdriver", "synth");
3051
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", "v_synth");
3056 qemu_opt_set(device, "mount_tag", "v_synth");
3057 break;
3058 }
3059 case QEMU_OPTION_serial:
3060 add_device_config(DEV_SERIAL, optarg);
3061 default_serial = 0;
3062 if (strncmp(optarg, "mon:", 4) == 0) {
3063 default_monitor = 0;
3064 }
3065 break;
3066 case QEMU_OPTION_watchdog:
3067 if (watchdog) {
3068 fprintf(stderr,
3069 "qemu: only one watchdog option may be given\n");
3070 return 1;
3071 }
3072 watchdog = optarg;
3073 break;
3074 case QEMU_OPTION_watchdog_action:
3075 if (select_watchdog_action(optarg) == -1) {
3076 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3077 exit(1);
3078 }
3079 break;
3080 case QEMU_OPTION_virtiocon:
3081 add_device_config(DEV_VIRTCON, optarg);
3082 default_virtcon = 0;
3083 if (strncmp(optarg, "mon:", 4) == 0) {
3084 default_monitor = 0;
3085 }
3086 break;
3087 case QEMU_OPTION_parallel:
3088 add_device_config(DEV_PARALLEL, optarg);
3089 default_parallel = 0;
3090 if (strncmp(optarg, "mon:", 4) == 0) {
3091 default_monitor = 0;
3092 }
3093 break;
3094 case QEMU_OPTION_debugcon:
3095 add_device_config(DEV_DEBUGCON, optarg);
3096 break;
3097 case QEMU_OPTION_loadvm:
3098 loadvm = optarg;
3099 break;
3100 case QEMU_OPTION_full_screen:
3101 full_screen = 1;
3102 break;
3103 #ifdef CONFIG_SDL
3104 case QEMU_OPTION_no_frame:
3105 no_frame = 1;
3106 break;
3107 case QEMU_OPTION_alt_grab:
3108 alt_grab = 1;
3109 break;
3110 case QEMU_OPTION_ctrl_grab:
3111 ctrl_grab = 1;
3112 break;
3113 case QEMU_OPTION_no_quit:
3114 no_quit = 1;
3115 break;
3116 case QEMU_OPTION_sdl:
3117 display_type = DT_SDL;
3118 break;
3119 #else
3120 case QEMU_OPTION_no_frame:
3121 case QEMU_OPTION_alt_grab:
3122 case QEMU_OPTION_ctrl_grab:
3123 case QEMU_OPTION_no_quit:
3124 case QEMU_OPTION_sdl:
3125 fprintf(stderr, "SDL support is disabled\n");
3126 exit(1);
3127 #endif
3128 case QEMU_OPTION_pidfile:
3129 pid_file = optarg;
3130 break;
3131 case QEMU_OPTION_win2k_hack:
3132 win2k_install_hack = 1;
3133 break;
3134 case QEMU_OPTION_rtc_td_hack: {
3135 static GlobalProperty slew_lost_ticks[] = {
3136 {
3137 .driver = "mc146818rtc",
3138 .property = "lost_tick_policy",
3139 .value = "slew",
3140 },
3141 { /* end of list */ }
3142 };
3143
3144 qdev_prop_register_global_list(slew_lost_ticks);
3145 break;
3146 }
3147 case QEMU_OPTION_acpitable:
3148 do_acpitable_option(optarg);
3149 break;
3150 case QEMU_OPTION_smbios:
3151 do_smbios_option(optarg);
3152 break;
3153 case QEMU_OPTION_enable_kvm:
3154 olist = qemu_find_opts("machine");
3155 qemu_opts_parse(olist, "accel=kvm", 0);
3156 break;
3157 case QEMU_OPTION_machine:
3158 olist = qemu_find_opts("machine");
3159 opts = qemu_opts_parse(olist, optarg, 1);
3160 if (!opts) {
3161 fprintf(stderr, "parse error: %s\n", optarg);
3162 exit(1);
3163 }
3164 optarg = qemu_opt_get(opts, "type");
3165 if (optarg) {
3166 machine = machine_parse(optarg);
3167 }
3168 break;
3169 case QEMU_OPTION_no_kvm:
3170 olist = qemu_find_opts("machine");
3171 qemu_opts_parse(olist, "accel=tcg", 0);
3172 break;
3173 case QEMU_OPTION_no_kvm_pit: {
3174 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3175 "separately.\n");
3176 break;
3177 }
3178 case QEMU_OPTION_no_kvm_pit_reinjection: {
3179 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3180 {
3181 .driver = "kvm-pit",
3182 .property = "lost_tick_policy",
3183 .value = "discard",
3184 },
3185 { /* end of list */ }
3186 };
3187
3188 fprintf(stderr, "Warning: option deprecated, use "
3189 "lost_tick_policy property of kvm-pit instead.\n");
3190 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3191 break;
3192 }
3193 case QEMU_OPTION_usb:
3194 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3195 if (machine_opts) {
3196 qemu_opt_set_bool(machine_opts, "usb", true);
3197 }
3198 break;
3199 case QEMU_OPTION_usbdevice:
3200 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3201 if (machine_opts) {
3202 qemu_opt_set_bool(machine_opts, "usb", true);
3203 }
3204 add_device_config(DEV_USB, optarg);
3205 break;
3206 case QEMU_OPTION_device:
3207 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3208 exit(1);
3209 }
3210 break;
3211 case QEMU_OPTION_smp:
3212 smp_parse(optarg);
3213 if (smp_cpus < 1) {
3214 fprintf(stderr, "Invalid number of CPUs\n");
3215 exit(1);
3216 }
3217 if (max_cpus < smp_cpus) {
3218 fprintf(stderr, "maxcpus must be equal to or greater than "
3219 "smp\n");
3220 exit(1);
3221 }
3222 if (max_cpus > 255) {
3223 fprintf(stderr, "Unsupported number of maxcpus\n");
3224 exit(1);
3225 }
3226 break;
3227 case QEMU_OPTION_vnc:
3228 #ifdef CONFIG_VNC
3229 display_remote++;
3230 vnc_display = optarg;
3231 #else
3232 fprintf(stderr, "VNC support is disabled\n");
3233 exit(1);
3234 #endif
3235 break;
3236 case QEMU_OPTION_no_acpi:
3237 acpi_enabled = 0;
3238 break;
3239 case QEMU_OPTION_no_hpet:
3240 no_hpet = 1;
3241 break;
3242 case QEMU_OPTION_balloon:
3243 if (balloon_parse(optarg) < 0) {
3244 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3245 exit(1);
3246 }
3247 break;
3248 case QEMU_OPTION_no_reboot:
3249 no_reboot = 1;
3250 break;
3251 case QEMU_OPTION_no_shutdown:
3252 no_shutdown = 1;
3253 break;
3254 case QEMU_OPTION_show_cursor:
3255 cursor_hide = 0;
3256 break;
3257 case QEMU_OPTION_uuid:
3258 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3259 fprintf(stderr, "Fail to parse UUID string."
3260 " Wrong format.\n");
3261 exit(1);
3262 }
3263 break;
3264 case QEMU_OPTION_option_rom:
3265 if (nb_option_roms >= MAX_OPTION_ROMS) {
3266 fprintf(stderr, "Too many option ROMs\n");
3267 exit(1);
3268 }
3269 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3270 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3271 option_rom[nb_option_roms].bootindex =
3272 qemu_opt_get_number(opts, "bootindex", -1);
3273 if (!option_rom[nb_option_roms].name) {
3274 fprintf(stderr, "Option ROM file is not specified\n");
3275 exit(1);
3276 }
3277 nb_option_roms++;
3278 break;
3279 case QEMU_OPTION_semihosting:
3280 semihosting_enabled = 1;
3281 break;
3282 case QEMU_OPTION_tdf:
3283 fprintf(stderr, "Warning: user space PIT time drift fix "
3284 "is no longer supported.\n");
3285 break;
3286 case QEMU_OPTION_name:
3287 qemu_name = g_strdup(optarg);
3288 {
3289 char *p = strchr(qemu_name, ',');
3290 if (p != NULL) {
3291 *p++ = 0;
3292 if (strncmp(p, "process=", 8)) {
3293 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3294 exit(1);
3295 }
3296 p += 8;
3297 os_set_proc_name(p);
3298 }
3299 }
3300 break;
3301 case QEMU_OPTION_prom_env:
3302 if (nb_prom_envs >= MAX_PROM_ENVS) {
3303 fprintf(stderr, "Too many prom variables\n");
3304 exit(1);
3305 }
3306 prom_envs[nb_prom_envs] = optarg;
3307 nb_prom_envs++;
3308 break;
3309 case QEMU_OPTION_old_param:
3310 old_param = 1;
3311 break;
3312 case QEMU_OPTION_clock:
3313 configure_alarms(optarg);
3314 break;
3315 case QEMU_OPTION_startdate:
3316 configure_rtc_date_offset(optarg, 1);
3317 break;
3318 case QEMU_OPTION_rtc:
3319 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3320 if (!opts) {
3321 exit(1);
3322 }
3323 configure_rtc(opts);
3324 break;
3325 case QEMU_OPTION_tb_size:
3326 tcg_tb_size = strtol(optarg, NULL, 0);
3327 if (tcg_tb_size < 0) {
3328 tcg_tb_size = 0;
3329 }
3330 break;
3331 case QEMU_OPTION_icount:
3332 icount_option = optarg;
3333 break;
3334 case QEMU_OPTION_incoming:
3335 incoming = optarg;
3336 runstate_set(RUN_STATE_INMIGRATE);
3337 break;
3338 case QEMU_OPTION_nodefaults:
3339 default_serial = 0;
3340 default_parallel = 0;
3341 default_virtcon = 0;
3342 default_monitor = 0;
3343 default_net = 0;
3344 default_floppy = 0;
3345 default_cdrom = 0;
3346 default_sdcard = 0;
3347 default_vga = 0;
3348 break;
3349 case QEMU_OPTION_xen_domid:
3350 if (!(xen_available())) {
3351 printf("Option %s not supported for this target\n", popt->name);
3352 exit(1);
3353 }
3354 xen_domid = atoi(optarg);
3355 break;
3356 case QEMU_OPTION_xen_create:
3357 if (!(xen_available())) {
3358 printf("Option %s not supported for this target\n", popt->name);
3359 exit(1);
3360 }
3361 xen_mode = XEN_CREATE;
3362 break;
3363 case QEMU_OPTION_xen_attach:
3364 if (!(xen_available())) {
3365 printf("Option %s not supported for this target\n", popt->name);
3366 exit(1);
3367 }
3368 xen_mode = XEN_ATTACH;
3369 break;
3370 case QEMU_OPTION_trace:
3371 {
3372 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3373 if (!opts) {
3374 exit(1);
3375 }
3376 trace_events = qemu_opt_get(opts, "events");
3377 trace_file = qemu_opt_get(opts, "file");
3378 break;
3379 }
3380 case QEMU_OPTION_readconfig:
3381 {
3382 int ret = qemu_read_config_file(optarg);
3383 if (ret < 0) {
3384 fprintf(stderr, "read config %s: %s\n", optarg,
3385 strerror(-ret));
3386 exit(1);
3387 }
3388 break;
3389 }
3390 case QEMU_OPTION_spice:
3391 olist = qemu_find_opts("spice");
3392 if (!olist) {
3393 fprintf(stderr, "spice is not supported by this qemu build.\n");
3394 exit(1);
3395 }
3396 opts = qemu_opts_parse(olist, optarg, 0);
3397 if (!opts) {
3398 fprintf(stderr, "parse error: %s\n", optarg);
3399 exit(1);
3400 }
3401 break;
3402 case QEMU_OPTION_writeconfig:
3403 {
3404 FILE *fp;
3405 if (strcmp(optarg, "-") == 0) {
3406 fp = stdout;
3407 } else {
3408 fp = fopen(optarg, "w");
3409 if (fp == NULL) {
3410 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3411 exit(1);
3412 }
3413 }
3414 qemu_config_write(fp);
3415 fclose(fp);
3416 break;
3417 }
3418 case QEMU_OPTION_qtest:
3419 qtest_chrdev = optarg;
3420 break;
3421 case QEMU_OPTION_qtest_log:
3422 qtest_log = optarg;
3423 break;
3424 case QEMU_OPTION_sandbox:
3425 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3426 if (!opts) {
3427 exit(0);
3428 }
3429 break;
3430 case QEMU_OPTION_add_fd:
3431 #ifndef _WIN32
3432 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3433 if (!opts) {
3434 exit(0);
3435 }
3436 #else
3437 error_report("File descriptor passing is disabled on this "
3438 "platform");
3439 exit(1);
3440 #endif
3441 break;
3442 default:
3443 os_parse_cmd_args(popt->index, optarg);
3444 }
3445 }
3446 }
3447 loc_set_none();
3448
3449 qemu_init_cpu_loop();
3450 if (qemu_init_main_loop()) {
3451 fprintf(stderr, "qemu_init_main_loop failed\n");
3452 exit(1);
3453 }
3454
3455 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3456 exit(1);
3457 }
3458
3459 #ifndef _WIN32
3460 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3461 exit(1);
3462 }
3463
3464 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3465 exit(1);
3466 }
3467 #endif
3468
3469 if (machine == NULL) {
3470 fprintf(stderr, "No machine found.\n");
3471 exit(1);
3472 }
3473
3474 if (machine->hw_version) {
3475 qemu_set_version(machine->hw_version);
3476 }
3477
3478 /* Init CPU def lists, based on config
3479 * - Must be called after all the qemu_read_config_file() calls
3480 * - Must be called before list_cpus()
3481 * - Must be called before machine->init()
3482 */
3483 cpudef_init();
3484
3485 if (cpu_model && is_help_option(cpu_model)) {
3486 list_cpus(stdout, &fprintf, cpu_model);
3487 exit(0);
3488 }
3489
3490 /* Open the logfile at this point, if necessary. We can't open the logfile
3491 * when encountering either of the logging options (-d or -D) because the
3492 * other one may be encountered later on the command line, changing the
3493 * location or level of logging.
3494 */
3495 if (log_mask) {
3496 if (log_file) {
3497 set_cpu_log_filename(log_file);
3498 }
3499 set_cpu_log(log_mask);
3500 }
3501
3502 if (!trace_backend_init(trace_events, trace_file)) {
3503 exit(1);
3504 }
3505
3506 /* If no data_dir is specified then try to find it relative to the
3507 executable path. */
3508 if (!data_dir) {
3509 data_dir = os_find_datadir(argv[0]);
3510 }
3511 /* If all else fails use the install path specified when building. */
3512 if (!data_dir) {
3513 data_dir = CONFIG_QEMU_DATADIR;
3514 }
3515
3516 /*
3517 * Default to max_cpus = smp_cpus, in case the user doesn't
3518 * specify a max_cpus value.
3519 */
3520 if (!max_cpus)
3521 max_cpus = smp_cpus;
3522
3523 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3524 if (smp_cpus > machine->max_cpus) {
3525 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3526 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3527 machine->max_cpus);
3528 exit(1);
3529 }
3530
3531 /*
3532 * Get the default machine options from the machine if it is not already
3533 * specified either by the configuration file or by the command line.
3534 */
3535 if (machine->default_machine_opts) {
3536 qemu_opts_set_defaults(qemu_find_opts("machine"),
3537 machine->default_machine_opts, 0);
3538 }
3539
3540 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3541 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3542
3543 if (machine->no_serial) {
3544 default_serial = 0;
3545 }
3546 if (machine->no_parallel) {
3547 default_parallel = 0;
3548 }
3549 if (!machine->use_virtcon) {
3550 default_virtcon = 0;
3551 }
3552 if (machine->no_floppy) {
3553 default_floppy = 0;
3554 }
3555 if (machine->no_cdrom) {
3556 default_cdrom = 0;
3557 }
3558 if (machine->no_sdcard) {
3559 default_sdcard = 0;
3560 }
3561
3562 if (display_type == DT_NOGRAPHIC) {
3563 if (default_parallel)
3564 add_device_config(DEV_PARALLEL, "null");
3565 if (default_serial && default_monitor) {
3566 add_device_config(DEV_SERIAL, "mon:stdio");
3567 } else if (default_virtcon && default_monitor) {
3568 add_device_config(DEV_VIRTCON, "mon:stdio");
3569 } else {
3570 if (default_serial)
3571 add_device_config(DEV_SERIAL, "stdio");
3572 if (default_virtcon)
3573 add_device_config(DEV_VIRTCON, "stdio");
3574 if (default_monitor)
3575 monitor_parse("stdio", "readline");
3576 }
3577 } else {
3578 if (default_serial)
3579 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3580 if (default_parallel)
3581 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3582 if (default_monitor)
3583 monitor_parse("vc:80Cx24C", "readline");
3584 if (default_virtcon)
3585 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3586 }
3587
3588 if (init_timer_alarm() < 0) {
3589 fprintf(stderr, "could not initialize alarm timer\n");
3590 exit(1);
3591 }
3592
3593 socket_init();
3594
3595 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3596 exit(1);
3597 #ifdef CONFIG_VIRTFS
3598 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3599 exit(1);
3600 }
3601 #endif
3602
3603 os_daemonize();
3604
3605 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3606 os_pidfile_error();
3607 exit(1);
3608 }
3609
3610 /* init the memory */
3611 if (ram_size == 0) {
3612 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3613 }
3614
3615 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3616 != 0) {
3617 exit(0);
3618 }
3619
3620 configure_accelerator();
3621
3622 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3623 if (machine_opts) {
3624 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3625 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3626 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3627 } else {
3628 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3629 }
3630
3631 if (!kernel_cmdline) {
3632 kernel_cmdline = "";
3633 }
3634
3635 linux_boot = (kernel_filename != NULL);
3636
3637 if (!linux_boot && *kernel_cmdline != '\0') {
3638 fprintf(stderr, "-append only allowed with -kernel option\n");
3639 exit(1);
3640 }
3641
3642 if (!linux_boot && initrd_filename != NULL) {
3643 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3644 exit(1);
3645 }
3646
3647 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3648 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3649 exit(1);
3650 }
3651
3652 os_set_line_buffering();
3653
3654 #ifdef CONFIG_SPICE
3655 /* spice needs the timers to be initialized by this point */
3656 qemu_spice_init();
3657 #endif
3658
3659 if (icount_option && (kvm_enabled() || xen_enabled())) {
3660 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3661 exit(1);
3662 }
3663 configure_icount(icount_option);
3664
3665 if (net_init_clients() < 0) {
3666 exit(1);
3667 }
3668
3669 /* init the bluetooth world */
3670 if (foreach_device_config(DEV_BT, bt_parse))
3671 exit(1);
3672
3673 if (!xen_enabled()) {
3674 /* On 32-bit hosts, QEMU is limited by virtual address space */
3675 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3676 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3677 exit(1);
3678 }
3679 }
3680
3681 cpu_exec_init_all();
3682
3683 bdrv_init_with_whitelist();
3684
3685 blk_mig_init();
3686
3687 /* open the virtual block devices */
3688 if (snapshot)
3689 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3690 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3691 exit(1);
3692
3693 default_drive(default_cdrom, snapshot, machine->use_scsi,
3694 IF_DEFAULT, 2, CDROM_OPTS);
3695 default_drive(default_floppy, snapshot, machine->use_scsi,
3696 IF_FLOPPY, 0, FD_OPTS);
3697 default_drive(default_sdcard, snapshot, machine->use_scsi,
3698 IF_SD, 0, SD_OPTS);
3699
3700 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3701
3702 if (nb_numa_nodes > 0) {
3703 int i;
3704
3705 if (nb_numa_nodes > MAX_NODES) {
3706 nb_numa_nodes = MAX_NODES;
3707 }
3708
3709 /* If no memory size if given for any node, assume the default case
3710 * and distribute the available memory equally across all nodes
3711 */
3712 for (i = 0; i < nb_numa_nodes; i++) {
3713 if (node_mem[i] != 0)
3714 break;
3715 }
3716 if (i == nb_numa_nodes) {
3717 uint64_t usedmem = 0;
3718
3719 /* On Linux, the each node's border has to be 8MB aligned,
3720 * the final node gets the rest.
3721 */
3722 for (i = 0; i < nb_numa_nodes - 1; i++) {
3723 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3724 usedmem += node_mem[i];
3725 }
3726 node_mem[i] = ram_size - usedmem;
3727 }
3728
3729 for (i = 0; i < nb_numa_nodes; i++) {
3730 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3731 break;
3732 }
3733 }
3734 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3735 * must cope with this anyway, because there are BIOSes out there in
3736 * real machines which also use this scheme.
3737 */
3738 if (i == nb_numa_nodes) {
3739 for (i = 0; i < max_cpus; i++) {
3740 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3741 }
3742 }
3743 }
3744
3745 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3746 exit(1);
3747 }
3748
3749 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3750 exit(1);
3751 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3752 exit(1);
3753 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3754 exit(1);
3755 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3756 exit(1);
3757
3758 /* If no default VGA is requested, the default is "none". */
3759 if (default_vga) {
3760 if (cirrus_vga_available()) {
3761 vga_model = "cirrus";
3762 } else if (vga_available()) {
3763 vga_model = "std";
3764 }
3765 }
3766 select_vgahw(vga_model);
3767
3768 if (watchdog) {
3769 i = select_watchdog(watchdog);
3770 if (i > 0)
3771 exit (i == 1 ? 1 : 0);
3772 }
3773
3774 if (machine->compat_props) {
3775 qdev_prop_register_global_list(machine->compat_props);
3776 }
3777 qemu_add_globals();
3778
3779 qdev_machine_init();
3780
3781 QEMUMachineInitArgs args = { .ram_size = ram_size,
3782 .boot_device = boot_devices,
3783 .kernel_filename = kernel_filename,
3784 .kernel_cmdline = kernel_cmdline,
3785 .initrd_filename = initrd_filename,
3786 .cpu_model = cpu_model };
3787 machine->init(&args);
3788
3789 cpu_synchronize_all_post_init();
3790
3791 set_numa_modes();
3792
3793 current_machine = machine;
3794
3795 /* init USB devices */
3796 if (usb_enabled(false)) {
3797 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3798 exit(1);
3799 }
3800
3801 /* init generic devices */
3802 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3803 exit(1);
3804
3805 net_check_clients();
3806
3807 /* just use the first displaystate for the moment */
3808 ds = get_displaystate();
3809
3810 if (using_spice)
3811 display_remote++;
3812 if (display_type == DT_DEFAULT && !display_remote) {
3813 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3814 display_type = DT_SDL;
3815 #elif defined(CONFIG_VNC)
3816 vnc_display = "localhost:0,to=99";
3817 show_vnc_port = 1;
3818 #else
3819 display_type = DT_NONE;
3820 #endif
3821 }
3822
3823
3824 /* init local displays */
3825 switch (display_type) {
3826 case DT_NOGRAPHIC:
3827 break;
3828 #if defined(CONFIG_CURSES)
3829 case DT_CURSES:
3830 if (!is_daemonized()) {
3831 curses_display_init(ds, full_screen);
3832 }
3833 break;
3834 #endif
3835 #if defined(CONFIG_SDL)
3836 case DT_SDL:
3837 sdl_display_init(ds, full_screen, no_frame);
3838 break;
3839 #elif defined(CONFIG_COCOA)
3840 case DT_SDL:
3841 cocoa_display_init(ds, full_screen);
3842 break;
3843 #endif
3844 default:
3845 break;
3846 }
3847
3848 /* must be after terminal init, SDL library changes signal handlers */
3849 os_setup_signal_handling();
3850
3851 #ifdef CONFIG_VNC
3852 /* init remote displays */
3853 if (vnc_display) {
3854 Error *local_err = NULL;
3855 vnc_display_init(ds);
3856 vnc_display_open(ds, vnc_display, &local_err);
3857 if (local_err != NULL) {
3858 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3859 vnc_display, error_get_pretty(local_err));
3860 error_free(local_err);
3861 exit(1);
3862 }
3863
3864 if (show_vnc_port) {
3865 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3866 }
3867 }
3868 #endif
3869 #ifdef CONFIG_SPICE
3870 if (using_spice && !qxl_enabled) {
3871 qemu_spice_display_init(ds);
3872 }
3873 #endif
3874
3875 /* display setup */
3876 dpy_resize(ds);
3877 dcl = ds->listeners;
3878 while (dcl != NULL) {
3879 if (dcl->dpy_refresh != NULL) {
3880 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3881 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3882 break;
3883 }
3884 dcl = dcl->next;
3885 }
3886 text_consoles_set_display(ds);
3887
3888 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3889 exit(1);
3890 }
3891
3892 qdev_machine_creation_done();
3893
3894 if (rom_load_all() != 0) {
3895 fprintf(stderr, "rom loading failed\n");
3896 exit(1);
3897 }
3898
3899 /* TODO: once all bus devices are qdevified, this should be done
3900 * when bus is created by qdev.c */
3901 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3902 qemu_run_machine_init_done_notifiers();
3903
3904 qemu_system_reset(VMRESET_SILENT);
3905 if (loadvm) {
3906 if (load_vmstate(loadvm) < 0) {
3907 autostart = 0;
3908 }
3909 }
3910
3911 if (incoming) {
3912 Error *local_err = NULL;
3913 qemu_start_incoming_migration(incoming, &local_err);
3914 if (local_err) {
3915 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
3916 error_free(local_err);
3917 exit(1);
3918 }
3919 } else if (autostart) {
3920 vm_start();
3921 }
3922
3923 os_setup_post();
3924
3925 resume_all_vcpus();
3926 main_loop();
3927 bdrv_close_all();
3928 pause_all_vcpus();
3929 net_cleanup();
3930 res_free();
3931
3932 return 0;
3933 }
Qemu copy for testing