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block: add bdrv_find_backing_image
[qemu-kvm.git] / vl.c
blobd88a18c0474320d77c1b1aa134ebbc32a75e3268
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
32 /* Needed early for CONFIG_BSD etc. */
33 #include "config-host.h"
34
35 #ifndef _WIN32
36 #include <libgen.h>
37 #include <sys/times.h>
38 #include <sys/wait.h>
39 #include <termios.h>
40 #include <sys/mman.h>
41 #include <sys/ioctl.h>
42 #include <sys/resource.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45 #include <net/if.h>
46 #include <arpa/inet.h>
47 #include <dirent.h>
48 #include <netdb.h>
49 #include <sys/select.h>
50
51 #ifdef CONFIG_BSD
52 #include <sys/stat.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54 #include <libutil.h>
55 #include <sys/sysctl.h>
56 #else
57 #include <util.h>
58 #endif
59 #else
60 #ifdef __linux__
61 #include <pty.h>
62 #include <malloc.h>
63
64 #include <linux/ppdev.h>
65 #include <linux/parport.h>
66 #endif
67 #ifdef __sun__
68 #include <sys/stat.h>
69 #include <sys/ethernet.h>
70 #include <sys/sockio.h>
71 #include <netinet/arp.h>
72 #include <netinet/in_systm.h>
73 #include <netinet/ip.h>
74 #include <netinet/ip_icmp.h> // must come after ip.h
75 #include <netinet/udp.h>
76 #include <netinet/tcp.h>
77 #include <net/if.h>
78 #include <syslog.h>
79 #include <stropts.h>
80 #endif
81 #endif
82 #endif
83
84 #if defined(__OpenBSD__)
85 #include <util.h>
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 "block.h"
140 #include "blockdev.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
156 #include "disas.h"
157
158 #include "qemu_socket.h"
159
160 #include "slirp/libslirp.h"
161
162 #include "trace.h"
163 #include "trace/control.h"
164 #include "qemu-queue.h"
165 #include "cpus.h"
166 #include "arch_init.h"
167
168 #include "ui/qemu-spice.h"
169
170 //#define DEBUG_NET
171 //#define DEBUG_SLIRP
172
173 #define DEFAULT_RAM_SIZE 128
174
175 #define MAX_VIRTIO_CONSOLES 1
176
177 static const char *data_dir;
178 const char *bios_name = NULL;
179 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
180 DisplayType display_type = DT_DEFAULT;
181 int display_remote = 0;
182 const char* keyboard_layout = NULL;
183 ram_addr_t ram_size;
184 const char *mem_path = NULL;
185 #ifdef MAP_POPULATE
186 int mem_prealloc = 0; /* force preallocation of physical target memory */
187 #endif
188 int nb_nics;
189 NICInfo nd_table[MAX_NICS];
190 int autostart;
191 static int rtc_utc = 1;
192 static int rtc_date_offset = -1; /* -1 means no change */
193 QEMUClock *rtc_clock;
194 int vga_interface_type = VGA_NONE;
195 static int full_screen = 0;
196 #ifdef CONFIG_SDL
197 static int no_frame = 0;
198 #endif
199 int no_quit = 0;
200 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
201 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
202 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
203 int win2k_install_hack = 0;
204 int rtc_td_hack = 0;
205 int usb_enabled = 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 uint64_t 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
277 static struct {
278 const char *driver;
279 int *flag;
280 } default_list[] = {
281 { .driver = "isa-serial", .flag = &default_serial },
282 { .driver = "isa-parallel", .flag = &default_parallel },
283 { .driver = "isa-fdc", .flag = &default_floppy },
284 { .driver = "ide-cd", .flag = &default_cdrom },
285 { .driver = "ide-hd", .flag = &default_cdrom },
286 { .driver = "ide-drive", .flag = &default_cdrom },
287 { .driver = "scsi-cd", .flag = &default_cdrom },
288 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
289 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
290 { .driver = "virtio-serial", .flag = &default_virtcon },
291 };
292
293 static void res_free(void)
294 {
295 if (boot_splash_filedata != NULL) {
296 g_free(boot_splash_filedata);
297 boot_splash_filedata = NULL;
298 }
299 }
300
301 static int default_driver_check(QemuOpts *opts, void *opaque)
302 {
303 const char *driver = qemu_opt_get(opts, "driver");
304 int i;
305
306 if (!driver)
307 return 0;
308 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
309 if (strcmp(default_list[i].driver, driver) != 0)
310 continue;
311 *(default_list[i].flag) = 0;
312 }
313 return 0;
314 }
315
316 /***********************************************************/
317 /* QEMU state */
318
319 static RunState current_run_state = RUN_STATE_PRELAUNCH;
320
321 typedef struct {
322 RunState from;
323 RunState to;
324 } RunStateTransition;
325
326 static const RunStateTransition runstate_transitions_def[] = {
327 /* from -> to */
328 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
329
330 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
331 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
332
333 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
334 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
335
336 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
337 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
338
339 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
340 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
341
342 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
343 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
344
345 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
346 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
347 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
348
349 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
350 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
351
352 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
353
354 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
355 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
356 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
357 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
358 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
359 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
360 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
361 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
362 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
363
364 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
365
366 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
367 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
368
369 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
370 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
371
372 { RUN_STATE_MAX, RUN_STATE_MAX },
373 };
374
375 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
376
377 bool runstate_check(RunState state)
378 {
379 return current_run_state == state;
380 }
381
382 void runstate_init(void)
383 {
384 const RunStateTransition *p;
385
386 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
387
388 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
389 runstate_valid_transitions[p->from][p->to] = true;
390 }
391 }
392
393 /* This function will abort() on invalid state transitions */
394 void runstate_set(RunState new_state)
395 {
396 assert(new_state < RUN_STATE_MAX);
397
398 if (!runstate_valid_transitions[current_run_state][new_state]) {
399 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
400 RunState_lookup[current_run_state],
401 RunState_lookup[new_state]);
402 abort();
403 }
404
405 current_run_state = new_state;
406 }
407
408 int runstate_is_running(void)
409 {
410 return runstate_check(RUN_STATE_RUNNING);
411 }
412
413 StatusInfo *qmp_query_status(Error **errp)
414 {
415 StatusInfo *info = g_malloc0(sizeof(*info));
416
417 info->running = runstate_is_running();
418 info->singlestep = singlestep;
419 info->status = current_run_state;
420
421 return info;
422 }
423
424 /***********************************************************/
425 /* real time host monotonic timer */
426
427 /***********************************************************/
428 /* host time/date access */
429 void qemu_get_timedate(struct tm *tm, int offset)
430 {
431 time_t ti;
432 struct tm *ret;
433
434 time(&ti);
435 ti += offset;
436 if (rtc_date_offset == -1) {
437 if (rtc_utc)
438 ret = gmtime(&ti);
439 else
440 ret = localtime(&ti);
441 } else {
442 ti -= rtc_date_offset;
443 ret = gmtime(&ti);
444 }
445
446 memcpy(tm, ret, sizeof(struct tm));
447 }
448
449 int qemu_timedate_diff(struct tm *tm)
450 {
451 time_t seconds;
452
453 if (rtc_date_offset == -1)
454 if (rtc_utc)
455 seconds = mktimegm(tm);
456 else {
457 struct tm tmp = *tm;
458 tmp.tm_isdst = -1; /* use timezone to figure it out */
459 seconds = mktime(&tmp);
460 }
461 else
462 seconds = mktimegm(tm) + rtc_date_offset;
463
464 return seconds - time(NULL);
465 }
466
467 void rtc_change_mon_event(struct tm *tm)
468 {
469 QObject *data;
470
471 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
472 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
473 qobject_decref(data);
474 }
475
476 static void configure_rtc_date_offset(const char *startdate, int legacy)
477 {
478 time_t rtc_start_date;
479 struct tm tm;
480
481 if (!strcmp(startdate, "now") && legacy) {
482 rtc_date_offset = -1;
483 } else {
484 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
485 &tm.tm_year,
486 &tm.tm_mon,
487 &tm.tm_mday,
488 &tm.tm_hour,
489 &tm.tm_min,
490 &tm.tm_sec) == 6) {
491 /* OK */
492 } else if (sscanf(startdate, "%d-%d-%d",
493 &tm.tm_year,
494 &tm.tm_mon,
495 &tm.tm_mday) == 3) {
496 tm.tm_hour = 0;
497 tm.tm_min = 0;
498 tm.tm_sec = 0;
499 } else {
500 goto date_fail;
501 }
502 tm.tm_year -= 1900;
503 tm.tm_mon--;
504 rtc_start_date = mktimegm(&tm);
505 if (rtc_start_date == -1) {
506 date_fail:
507 fprintf(stderr, "Invalid date format. Valid formats are:\n"
508 "'2006-06-17T16:01:21' or '2006-06-17'\n");
509 exit(1);
510 }
511 rtc_date_offset = time(NULL) - rtc_start_date;
512 }
513 }
514
515 static void configure_rtc(QemuOpts *opts)
516 {
517 const char *value;
518
519 value = qemu_opt_get(opts, "base");
520 if (value) {
521 if (!strcmp(value, "utc")) {
522 rtc_utc = 1;
523 } else if (!strcmp(value, "localtime")) {
524 rtc_utc = 0;
525 } else {
526 configure_rtc_date_offset(value, 0);
527 }
528 }
529 value = qemu_opt_get(opts, "clock");
530 if (value) {
531 if (!strcmp(value, "host")) {
532 rtc_clock = host_clock;
533 } else if (!strcmp(value, "vm")) {
534 rtc_clock = vm_clock;
535 } else {
536 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
537 exit(1);
538 }
539 }
540 value = qemu_opt_get(opts, "driftfix");
541 if (value) {
542 if (!strcmp(value, "slew")) {
543 rtc_td_hack = 1;
544 } else if (!strcmp(value, "none")) {
545 rtc_td_hack = 0;
546 } else {
547 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
548 exit(1);
549 }
550 }
551 }
552
553 /***********************************************************/
554 /* Bluetooth support */
555 static int nb_hcis;
556 static int cur_hci;
557 static struct HCIInfo *hci_table[MAX_NICS];
558
559 static struct bt_vlan_s {
560 struct bt_scatternet_s net;
561 int id;
562 struct bt_vlan_s *next;
563 } *first_bt_vlan;
564
565 /* find or alloc a new bluetooth "VLAN" */
566 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
567 {
568 struct bt_vlan_s **pvlan, *vlan;
569 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
570 if (vlan->id == id)
571 return &vlan->net;
572 }
573 vlan = g_malloc0(sizeof(struct bt_vlan_s));
574 vlan->id = id;
575 pvlan = &first_bt_vlan;
576 while (*pvlan != NULL)
577 pvlan = &(*pvlan)->next;
578 *pvlan = vlan;
579 return &vlan->net;
580 }
581
582 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
583 {
584 }
585
586 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
587 {
588 return -ENOTSUP;
589 }
590
591 static struct HCIInfo null_hci = {
592 .cmd_send = null_hci_send,
593 .sco_send = null_hci_send,
594 .acl_send = null_hci_send,
595 .bdaddr_set = null_hci_addr_set,
596 };
597
598 struct HCIInfo *qemu_next_hci(void)
599 {
600 if (cur_hci == nb_hcis)
601 return &null_hci;
602
603 return hci_table[cur_hci++];
604 }
605
606 static struct HCIInfo *hci_init(const char *str)
607 {
608 char *endp;
609 struct bt_scatternet_s *vlan = 0;
610
611 if (!strcmp(str, "null"))
612 /* null */
613 return &null_hci;
614 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
615 /* host[:hciN] */
616 return bt_host_hci(str[4] ? str + 5 : "hci0");
617 else if (!strncmp(str, "hci", 3)) {
618 /* hci[,vlan=n] */
619 if (str[3]) {
620 if (!strncmp(str + 3, ",vlan=", 6)) {
621 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
622 if (*endp)
623 vlan = 0;
624 }
625 } else
626 vlan = qemu_find_bt_vlan(0);
627 if (vlan)
628 return bt_new_hci(vlan);
629 }
630
631 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
632
633 return 0;
634 }
635
636 static int bt_hci_parse(const char *str)
637 {
638 struct HCIInfo *hci;
639 bdaddr_t bdaddr;
640
641 if (nb_hcis >= MAX_NICS) {
642 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
643 return -1;
644 }
645
646 hci = hci_init(str);
647 if (!hci)
648 return -1;
649
650 bdaddr.b[0] = 0x52;
651 bdaddr.b[1] = 0x54;
652 bdaddr.b[2] = 0x00;
653 bdaddr.b[3] = 0x12;
654 bdaddr.b[4] = 0x34;
655 bdaddr.b[5] = 0x56 + nb_hcis;
656 hci->bdaddr_set(hci, bdaddr.b);
657
658 hci_table[nb_hcis++] = hci;
659
660 return 0;
661 }
662
663 static void bt_vhci_add(int vlan_id)
664 {
665 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
666
667 if (!vlan->slave)
668 fprintf(stderr, "qemu: warning: adding a VHCI to "
669 "an empty scatternet %i\n", vlan_id);
670
671 bt_vhci_init(bt_new_hci(vlan));
672 }
673
674 static struct bt_device_s *bt_device_add(const char *opt)
675 {
676 struct bt_scatternet_s *vlan;
677 int vlan_id = 0;
678 char *endp = strstr(opt, ",vlan=");
679 int len = (endp ? endp - opt : strlen(opt)) + 1;
680 char devname[10];
681
682 pstrcpy(devname, MIN(sizeof(devname), len), opt);
683
684 if (endp) {
685 vlan_id = strtol(endp + 6, &endp, 0);
686 if (*endp) {
687 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
688 return 0;
689 }
690 }
691
692 vlan = qemu_find_bt_vlan(vlan_id);
693
694 if (!vlan->slave)
695 fprintf(stderr, "qemu: warning: adding a slave device to "
696 "an empty scatternet %i\n", vlan_id);
697
698 if (!strcmp(devname, "keyboard"))
699 return bt_keyboard_init(vlan);
700
701 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
702 return 0;
703 }
704
705 static int bt_parse(const char *opt)
706 {
707 const char *endp, *p;
708 int vlan;
709
710 if (strstart(opt, "hci", &endp)) {
711 if (!*endp || *endp == ',') {
712 if (*endp)
713 if (!strstart(endp, ",vlan=", 0))
714 opt = endp + 1;
715
716 return bt_hci_parse(opt);
717 }
718 } else if (strstart(opt, "vhci", &endp)) {
719 if (!*endp || *endp == ',') {
720 if (*endp) {
721 if (strstart(endp, ",vlan=", &p)) {
722 vlan = strtol(p, (char **) &endp, 0);
723 if (*endp) {
724 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
725 return 1;
726 }
727 } else {
728 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
729 return 1;
730 }
731 } else
732 vlan = 0;
733
734 bt_vhci_add(vlan);
735 return 0;
736 }
737 } else if (strstart(opt, "device:", &endp))
738 return !bt_device_add(endp);
739
740 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
741 return 1;
742 }
743
744 /***********************************************************/
745 /* QEMU Block devices */
746
747 #define HD_OPTS "media=disk"
748 #define CDROM_OPTS "media=cdrom"
749 #define FD_OPTS ""
750 #define PFLASH_OPTS ""
751 #define MTD_OPTS ""
752 #define SD_OPTS ""
753
754 static int drive_init_func(QemuOpts *opts, void *opaque)
755 {
756 int *use_scsi = opaque;
757
758 return drive_init(opts, *use_scsi) == NULL;
759 }
760
761 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
762 {
763 if (NULL == qemu_opt_get(opts, "snapshot")) {
764 qemu_opt_set(opts, "snapshot", "on");
765 }
766 return 0;
767 }
768
769 static void default_drive(int enable, int snapshot, int use_scsi,
770 BlockInterfaceType type, int index,
771 const char *optstr)
772 {
773 QemuOpts *opts;
774
775 if (type == IF_DEFAULT) {
776 type = use_scsi ? IF_SCSI : IF_IDE;
777 }
778
779 if (!enable || drive_get_by_index(type, index)) {
780 return;
781 }
782
783 opts = drive_add(type, index, NULL, optstr);
784 if (snapshot) {
785 drive_enable_snapshot(opts, NULL);
786 }
787 if (!drive_init(opts, use_scsi)) {
788 exit(1);
789 }
790 }
791
792 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
793 {
794 boot_set_handler = func;
795 boot_set_opaque = opaque;
796 }
797
798 int qemu_boot_set(const char *boot_devices)
799 {
800 if (!boot_set_handler) {
801 return -EINVAL;
802 }
803 return boot_set_handler(boot_set_opaque, boot_devices);
804 }
805
806 static void validate_bootdevices(char *devices)
807 {
808 /* We just do some generic consistency checks */
809 const char *p;
810 int bitmap = 0;
811
812 for (p = devices; *p != '\0'; p++) {
813 /* Allowed boot devices are:
814 * a-b: floppy disk drives
815 * c-f: IDE disk drives
816 * g-m: machine implementation dependent drives
817 * n-p: network devices
818 * It's up to each machine implementation to check if the given boot
819 * devices match the actual hardware implementation and firmware
820 * features.
821 */
822 if (*p < 'a' || *p > 'p') {
823 fprintf(stderr, "Invalid boot device '%c'\n", *p);
824 exit(1);
825 }
826 if (bitmap & (1 << (*p - 'a'))) {
827 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
828 exit(1);
829 }
830 bitmap |= 1 << (*p - 'a');
831 }
832 }
833
834 static void restore_boot_devices(void *opaque)
835 {
836 char *standard_boot_devices = opaque;
837 static int first = 1;
838
839 /* Restore boot order and remove ourselves after the first boot */
840 if (first) {
841 first = 0;
842 return;
843 }
844
845 qemu_boot_set(standard_boot_devices);
846
847 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
848 g_free(standard_boot_devices);
849 }
850
851 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
852 const char *suffix)
853 {
854 FWBootEntry *node, *i;
855
856 if (bootindex < 0) {
857 return;
858 }
859
860 assert(dev != NULL || suffix != NULL);
861
862 node = g_malloc0(sizeof(FWBootEntry));
863 node->bootindex = bootindex;
864 node->suffix = suffix ? g_strdup(suffix) : NULL;
865 node->dev = dev;
866
867 QTAILQ_FOREACH(i, &fw_boot_order, link) {
868 if (i->bootindex == bootindex) {
869 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
870 exit(1);
871 } else if (i->bootindex < bootindex) {
872 continue;
873 }
874 QTAILQ_INSERT_BEFORE(i, node, link);
875 return;
876 }
877 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
878 }
879
880 /*
881 * This function returns null terminated string that consist of new line
882 * separated device paths.
883 *
884 * memory pointed by "size" is assigned total length of the array in bytes
885 *
886 */
887 char *get_boot_devices_list(uint32_t *size)
888 {
889 FWBootEntry *i;
890 uint32_t total = 0;
891 char *list = NULL;
892
893 QTAILQ_FOREACH(i, &fw_boot_order, link) {
894 char *devpath = NULL, *bootpath;
895 int len;
896
897 if (i->dev) {
898 devpath = qdev_get_fw_dev_path(i->dev);
899 assert(devpath);
900 }
901
902 if (i->suffix && devpath) {
903 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
904
905 bootpath = g_malloc(bootpathlen);
906 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
907 g_free(devpath);
908 } else if (devpath) {
909 bootpath = devpath;
910 } else {
911 assert(i->suffix);
912 bootpath = g_strdup(i->suffix);
913 }
914
915 if (total) {
916 list[total-1] = '\n';
917 }
918 len = strlen(bootpath) + 1;
919 list = g_realloc(list, total + len);
920 memcpy(&list[total], bootpath, len);
921 total += len;
922 g_free(bootpath);
923 }
924
925 *size = total;
926
927 return list;
928 }
929
930 static void numa_add(const char *optarg)
931 {
932 char option[128];
933 char *endptr;
934 unsigned long long value, endvalue;
935 int nodenr;
936
937 optarg = get_opt_name(option, 128, optarg, ',') + 1;
938 if (!strcmp(option, "node")) {
939 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
940 nodenr = nb_numa_nodes;
941 } else {
942 nodenr = strtoull(option, NULL, 10);
943 }
944
945 if (get_param_value(option, 128, "mem", optarg) == 0) {
946 node_mem[nodenr] = 0;
947 } else {
948 int64_t sval;
949 sval = strtosz(option, &endptr);
950 if (sval < 0 || *endptr) {
951 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
952 exit(1);
953 }
954 node_mem[nodenr] = sval;
955 }
956 if (get_param_value(option, 128, "cpus", optarg) == 0) {
957 node_cpumask[nodenr] = 0;
958 } else {
959 value = strtoull(option, &endptr, 10);
960 if (value >= 64) {
961 value = 63;
962 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
963 } else {
964 if (*endptr == '-') {
965 endvalue = strtoull(endptr+1, &endptr, 10);
966 if (endvalue >= 63) {
967 endvalue = 62;
968 fprintf(stderr,
969 "only 63 CPUs in NUMA mode supported.\n");
970 }
971 value = (2ULL << endvalue) - (1ULL << value);
972 } else {
973 value = 1ULL << value;
974 }
975 }
976 node_cpumask[nodenr] = value;
977 }
978 nb_numa_nodes++;
979 }
980 return;
981 }
982
983 static void smp_parse(const char *optarg)
984 {
985 int smp, sockets = 0, threads = 0, cores = 0;
986 char *endptr;
987 char option[128];
988
989 smp = strtoul(optarg, &endptr, 10);
990 if (endptr != optarg) {
991 if (*endptr == ',') {
992 endptr++;
993 }
994 }
995 if (get_param_value(option, 128, "sockets", endptr) != 0)
996 sockets = strtoull(option, NULL, 10);
997 if (get_param_value(option, 128, "cores", endptr) != 0)
998 cores = strtoull(option, NULL, 10);
999 if (get_param_value(option, 128, "threads", endptr) != 0)
1000 threads = strtoull(option, NULL, 10);
1001 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1002 max_cpus = strtoull(option, NULL, 10);
1003
1004 /* compute missing values, prefer sockets over cores over threads */
1005 if (smp == 0 || sockets == 0) {
1006 sockets = sockets > 0 ? sockets : 1;
1007 cores = cores > 0 ? cores : 1;
1008 threads = threads > 0 ? threads : 1;
1009 if (smp == 0) {
1010 smp = cores * threads * sockets;
1011 }
1012 } else {
1013 if (cores == 0) {
1014 threads = threads > 0 ? threads : 1;
1015 cores = smp / (sockets * threads);
1016 } else {
1017 threads = smp / (cores * sockets);
1018 }
1019 }
1020 smp_cpus = smp;
1021 smp_cores = cores > 0 ? cores : 1;
1022 smp_threads = threads > 0 ? threads : 1;
1023 if (max_cpus == 0)
1024 max_cpus = smp_cpus;
1025 }
1026
1027 /***********************************************************/
1028 /* USB devices */
1029
1030 static int usb_device_add(const char *devname)
1031 {
1032 const char *p;
1033 USBDevice *dev = NULL;
1034
1035 if (!usb_enabled)
1036 return -1;
1037
1038 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1039 dev = usbdevice_create(devname);
1040 if (dev)
1041 goto done;
1042
1043 /* the other ones */
1044 #ifndef CONFIG_LINUX
1045 /* only the linux version is qdev-ified, usb-bsd still needs this */
1046 if (strstart(devname, "host:", &p)) {
1047 dev = usb_host_device_open(p);
1048 } else
1049 #endif
1050 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1051 dev = usb_bt_init(devname[2] ? hci_init(p) :
1052 bt_new_hci(qemu_find_bt_vlan(0)));
1053 } else {
1054 return -1;
1055 }
1056 if (!dev)
1057 return -1;
1058
1059 done:
1060 return 0;
1061 }
1062
1063 static int usb_device_del(const char *devname)
1064 {
1065 int bus_num, addr;
1066 const char *p;
1067
1068 if (strstart(devname, "host:", &p))
1069 return usb_host_device_close(p);
1070
1071 if (!usb_enabled)
1072 return -1;
1073
1074 p = strchr(devname, '.');
1075 if (!p)
1076 return -1;
1077 bus_num = strtoul(devname, NULL, 0);
1078 addr = strtoul(p + 1, NULL, 0);
1079
1080 return usb_device_delete_addr(bus_num, addr);
1081 }
1082
1083 static int usb_parse(const char *cmdline)
1084 {
1085 int r;
1086 r = usb_device_add(cmdline);
1087 if (r < 0) {
1088 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1089 }
1090 return r;
1091 }
1092
1093 void do_usb_add(Monitor *mon, const QDict *qdict)
1094 {
1095 const char *devname = qdict_get_str(qdict, "devname");
1096 if (usb_device_add(devname) < 0) {
1097 error_report("could not add USB device '%s'", devname);
1098 }
1099 }
1100
1101 void do_usb_del(Monitor *mon, const QDict *qdict)
1102 {
1103 const char *devname = qdict_get_str(qdict, "devname");
1104 if (usb_device_del(devname) < 0) {
1105 error_report("could not delete USB device '%s'", devname);
1106 }
1107 }
1108
1109 /***********************************************************/
1110 /* PCMCIA/Cardbus */
1111
1112 static struct pcmcia_socket_entry_s {
1113 PCMCIASocket *socket;
1114 struct pcmcia_socket_entry_s *next;
1115 } *pcmcia_sockets = 0;
1116
1117 void pcmcia_socket_register(PCMCIASocket *socket)
1118 {
1119 struct pcmcia_socket_entry_s *entry;
1120
1121 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1122 entry->socket = socket;
1123 entry->next = pcmcia_sockets;
1124 pcmcia_sockets = entry;
1125 }
1126
1127 void pcmcia_socket_unregister(PCMCIASocket *socket)
1128 {
1129 struct pcmcia_socket_entry_s *entry, **ptr;
1130
1131 ptr = &pcmcia_sockets;
1132 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1133 if (entry->socket == socket) {
1134 *ptr = entry->next;
1135 g_free(entry);
1136 }
1137 }
1138
1139 void pcmcia_info(Monitor *mon)
1140 {
1141 struct pcmcia_socket_entry_s *iter;
1142
1143 if (!pcmcia_sockets)
1144 monitor_printf(mon, "No PCMCIA sockets\n");
1145
1146 for (iter = pcmcia_sockets; iter; iter = iter->next)
1147 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1148 iter->socket->attached ? iter->socket->card_string :
1149 "Empty");
1150 }
1151
1152 /***********************************************************/
1153 /* machine registration */
1154
1155 static QEMUMachine *first_machine = NULL;
1156 QEMUMachine *current_machine = NULL;
1157
1158 int qemu_register_machine(QEMUMachine *m)
1159 {
1160 QEMUMachine **pm;
1161 pm = &first_machine;
1162 while (*pm != NULL)
1163 pm = &(*pm)->next;
1164 m->next = NULL;
1165 *pm = m;
1166 return 0;
1167 }
1168
1169 static QEMUMachine *find_machine(const char *name)
1170 {
1171 QEMUMachine *m;
1172
1173 for(m = first_machine; m != NULL; m = m->next) {
1174 if (!strcmp(m->name, name))
1175 return m;
1176 if (m->alias && !strcmp(m->alias, name))
1177 return m;
1178 }
1179 return NULL;
1180 }
1181
1182 static QEMUMachine *find_default_machine(void)
1183 {
1184 QEMUMachine *m;
1185
1186 for(m = first_machine; m != NULL; m = m->next) {
1187 if (m->is_default) {
1188 return m;
1189 }
1190 }
1191 return NULL;
1192 }
1193
1194 /***********************************************************/
1195 /* main execution loop */
1196
1197 static void gui_update(void *opaque)
1198 {
1199 uint64_t interval = GUI_REFRESH_INTERVAL;
1200 DisplayState *ds = opaque;
1201 DisplayChangeListener *dcl = ds->listeners;
1202
1203 dpy_refresh(ds);
1204
1205 while (dcl != NULL) {
1206 if (dcl->gui_timer_interval &&
1207 dcl->gui_timer_interval < interval)
1208 interval = dcl->gui_timer_interval;
1209 dcl = dcl->next;
1210 }
1211 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1212 }
1213
1214 struct vm_change_state_entry {
1215 VMChangeStateHandler *cb;
1216 void *opaque;
1217 QLIST_ENTRY (vm_change_state_entry) entries;
1218 };
1219
1220 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1221
1222 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1223 void *opaque)
1224 {
1225 VMChangeStateEntry *e;
1226
1227 e = g_malloc0(sizeof (*e));
1228
1229 e->cb = cb;
1230 e->opaque = opaque;
1231 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1232 return e;
1233 }
1234
1235 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1236 {
1237 QLIST_REMOVE (e, entries);
1238 g_free (e);
1239 }
1240
1241 void vm_state_notify(int running, RunState state)
1242 {
1243 VMChangeStateEntry *e;
1244
1245 trace_vm_state_notify(running, state);
1246
1247 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1248 e->cb(e->opaque, running, state);
1249 }
1250 }
1251
1252 void vm_start(void)
1253 {
1254 if (!runstate_is_running()) {
1255 cpu_enable_ticks();
1256 runstate_set(RUN_STATE_RUNNING);
1257 vm_state_notify(1, RUN_STATE_RUNNING);
1258 resume_all_vcpus();
1259 monitor_protocol_event(QEVENT_RESUME, NULL);
1260 }
1261 }
1262
1263 /* reset/shutdown handler */
1264
1265 typedef struct QEMUResetEntry {
1266 QTAILQ_ENTRY(QEMUResetEntry) entry;
1267 QEMUResetHandler *func;
1268 void *opaque;
1269 } QEMUResetEntry;
1270
1271 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1272 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1273 static int reset_requested;
1274 static int shutdown_requested, shutdown_signal = -1;
1275 static pid_t shutdown_pid;
1276 static int powerdown_requested;
1277 static int debug_requested;
1278 static RunState vmstop_requested = RUN_STATE_MAX;
1279
1280 int qemu_shutdown_requested_get(void)
1281 {
1282 return shutdown_requested;
1283 }
1284
1285 int qemu_reset_requested_get(void)
1286 {
1287 return reset_requested;
1288 }
1289
1290 int qemu_shutdown_requested(void)
1291 {
1292 int r = shutdown_requested;
1293 shutdown_requested = 0;
1294 return r;
1295 }
1296
1297 void qemu_kill_report(void)
1298 {
1299 if (shutdown_signal != -1) {
1300 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1301 if (shutdown_pid == 0) {
1302 /* This happens for eg ^C at the terminal, so it's worth
1303 * avoiding printing an odd message in that case.
1304 */
1305 fputc('\n', stderr);
1306 } else {
1307 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1308 }
1309 shutdown_signal = -1;
1310 }
1311 }
1312
1313 int qemu_reset_requested(void)
1314 {
1315 int r = reset_requested;
1316 reset_requested = 0;
1317 return r;
1318 }
1319
1320 int qemu_powerdown_requested(void)
1321 {
1322 int r = powerdown_requested;
1323 powerdown_requested = 0;
1324 return r;
1325 }
1326
1327 static int qemu_debug_requested(void)
1328 {
1329 int r = debug_requested;
1330 debug_requested = 0;
1331 return r;
1332 }
1333
1334 /* We use RUN_STATE_MAX but any invalid value will do */
1335 static bool qemu_vmstop_requested(RunState *r)
1336 {
1337 if (vmstop_requested < RUN_STATE_MAX) {
1338 *r = vmstop_requested;
1339 vmstop_requested = RUN_STATE_MAX;
1340 return true;
1341 }
1342
1343 return false;
1344 }
1345
1346 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1347 {
1348 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1349
1350 re->func = func;
1351 re->opaque = opaque;
1352 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1353 }
1354
1355 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1356 {
1357 QEMUResetEntry *re;
1358
1359 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1360 if (re->func == func && re->opaque == opaque) {
1361 QTAILQ_REMOVE(&reset_handlers, re, entry);
1362 g_free(re);
1363 return;
1364 }
1365 }
1366 }
1367
1368 void qemu_system_reset(bool report)
1369 {
1370 QEMUResetEntry *re, *nre;
1371
1372 /* reset all devices */
1373 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1374 re->func(re->opaque);
1375 }
1376 if (report) {
1377 monitor_protocol_event(QEVENT_RESET, NULL);
1378 }
1379 cpu_synchronize_all_post_reset();
1380 }
1381
1382 void qemu_system_reset_request(void)
1383 {
1384 if (no_reboot) {
1385 shutdown_requested = 1;
1386 } else {
1387 reset_requested = 1;
1388 }
1389 cpu_stop_current();
1390 qemu_notify_event();
1391 }
1392
1393 void qemu_system_killed(int signal, pid_t pid)
1394 {
1395 shutdown_signal = signal;
1396 shutdown_pid = pid;
1397 no_shutdown = 0;
1398 qemu_system_shutdown_request();
1399 }
1400
1401 void qemu_system_shutdown_request(void)
1402 {
1403 shutdown_requested = 1;
1404 qemu_notify_event();
1405 }
1406
1407 void qemu_system_powerdown_request(void)
1408 {
1409 powerdown_requested = 1;
1410 qemu_notify_event();
1411 }
1412
1413 void qemu_system_debug_request(void)
1414 {
1415 debug_requested = 1;
1416 qemu_notify_event();
1417 }
1418
1419 void qemu_system_vmstop_request(RunState state)
1420 {
1421 vmstop_requested = state;
1422 qemu_notify_event();
1423 }
1424
1425 qemu_irq qemu_system_powerdown;
1426
1427 static bool main_loop_should_exit(void)
1428 {
1429 RunState r;
1430 if (qemu_debug_requested()) {
1431 vm_stop(RUN_STATE_DEBUG);
1432 }
1433 if (qemu_shutdown_requested()) {
1434 qemu_kill_report();
1435 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1436 if (no_shutdown) {
1437 vm_stop(RUN_STATE_SHUTDOWN);
1438 } else {
1439 return true;
1440 }
1441 }
1442 if (qemu_reset_requested()) {
1443 pause_all_vcpus();
1444 cpu_synchronize_all_states();
1445 qemu_system_reset(VMRESET_REPORT);
1446 resume_all_vcpus();
1447 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1448 runstate_check(RUN_STATE_SHUTDOWN)) {
1449 runstate_set(RUN_STATE_PAUSED);
1450 }
1451 }
1452 if (qemu_powerdown_requested()) {
1453 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1454 qemu_irq_raise(qemu_system_powerdown);
1455 }
1456 if (qemu_vmstop_requested(&r)) {
1457 vm_stop(r);
1458 }
1459 return false;
1460 }
1461
1462 static void main_loop(void)
1463 {
1464 bool nonblocking;
1465 int last_io = 0;
1466 #ifdef CONFIG_PROFILER
1467 int64_t ti;
1468 #endif
1469 do {
1470 nonblocking = !kvm_enabled() && last_io > 0;
1471 #ifdef CONFIG_PROFILER
1472 ti = profile_getclock();
1473 #endif
1474 last_io = main_loop_wait(nonblocking);
1475 #ifdef CONFIG_PROFILER
1476 dev_time += profile_getclock() - ti;
1477 #endif
1478 } while (!main_loop_should_exit());
1479 }
1480
1481 static void version(void)
1482 {
1483 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1484 }
1485
1486 static void help(int exitcode)
1487 {
1488 version();
1489 printf("usage: %s [options] [disk_image]\n\n"
1490 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1491 error_get_progname());
1492
1493 #define QEMU_OPTIONS_GENERATE_HELP
1494 #include "qemu-options-wrapper.h"
1495
1496 printf("\nDuring emulation, the following keys are useful:\n"
1497 "ctrl-alt-f toggle full screen\n"
1498 "ctrl-alt-n switch to virtual console 'n'\n"
1499 "ctrl-alt toggle mouse and keyboard grab\n"
1500 "\n"
1501 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1502
1503 exit(exitcode);
1504 }
1505
1506 #define HAS_ARG 0x0001
1507
1508 typedef struct QEMUOption {
1509 const char *name;
1510 int flags;
1511 int index;
1512 uint32_t arch_mask;
1513 } QEMUOption;
1514
1515 static const QEMUOption qemu_options[] = {
1516 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1517 #define QEMU_OPTIONS_GENERATE_OPTIONS
1518 #include "qemu-options-wrapper.h"
1519 { NULL },
1520 };
1521
1522 static bool vga_available(void)
1523 {
1524 return qdev_exists("VGA") || qdev_exists("isa-vga");
1525 }
1526
1527 static bool cirrus_vga_available(void)
1528 {
1529 return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1530 }
1531
1532 static bool vmware_vga_available(void)
1533 {
1534 return qdev_exists("vmware-svga");
1535 }
1536
1537 static void select_vgahw (const char *p)
1538 {
1539 const char *opts;
1540
1541 vga_interface_type = VGA_NONE;
1542 if (strstart(p, "std", &opts)) {
1543 if (vga_available()) {
1544 vga_interface_type = VGA_STD;
1545 } else {
1546 fprintf(stderr, "Error: standard VGA not available\n");
1547 exit(0);
1548 }
1549 } else if (strstart(p, "cirrus", &opts)) {
1550 if (cirrus_vga_available()) {
1551 vga_interface_type = VGA_CIRRUS;
1552 } else {
1553 fprintf(stderr, "Error: Cirrus VGA not available\n");
1554 exit(0);
1555 }
1556 } else if (strstart(p, "vmware", &opts)) {
1557 if (vmware_vga_available()) {
1558 vga_interface_type = VGA_VMWARE;
1559 } else {
1560 fprintf(stderr, "Error: VMWare SVGA not available\n");
1561 exit(0);
1562 }
1563 } else if (strstart(p, "xenfb", &opts)) {
1564 vga_interface_type = VGA_XENFB;
1565 } else if (strstart(p, "qxl", &opts)) {
1566 vga_interface_type = VGA_QXL;
1567 } else if (!strstart(p, "none", &opts)) {
1568 invalid_vga:
1569 fprintf(stderr, "Unknown vga type: %s\n", p);
1570 exit(1);
1571 }
1572 while (*opts) {
1573 const char *nextopt;
1574
1575 if (strstart(opts, ",retrace=", &nextopt)) {
1576 opts = nextopt;
1577 if (strstart(opts, "dumb", &nextopt))
1578 vga_retrace_method = VGA_RETRACE_DUMB;
1579 else if (strstart(opts, "precise", &nextopt))
1580 vga_retrace_method = VGA_RETRACE_PRECISE;
1581 else goto invalid_vga;
1582 } else goto invalid_vga;
1583 opts = nextopt;
1584 }
1585 }
1586
1587 static DisplayType select_display(const char *p)
1588 {
1589 const char *opts;
1590 DisplayType display = DT_DEFAULT;
1591
1592 if (strstart(p, "sdl", &opts)) {
1593 #ifdef CONFIG_SDL
1594 display = DT_SDL;
1595 while (*opts) {
1596 const char *nextopt;
1597
1598 if (strstart(opts, ",frame=", &nextopt)) {
1599 opts = nextopt;
1600 if (strstart(opts, "on", &nextopt)) {
1601 no_frame = 0;
1602 } else if (strstart(opts, "off", &nextopt)) {
1603 no_frame = 1;
1604 } else {
1605 goto invalid_sdl_args;
1606 }
1607 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1608 opts = nextopt;
1609 if (strstart(opts, "on", &nextopt)) {
1610 alt_grab = 1;
1611 } else if (strstart(opts, "off", &nextopt)) {
1612 alt_grab = 0;
1613 } else {
1614 goto invalid_sdl_args;
1615 }
1616 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1617 opts = nextopt;
1618 if (strstart(opts, "on", &nextopt)) {
1619 ctrl_grab = 1;
1620 } else if (strstart(opts, "off", &nextopt)) {
1621 ctrl_grab = 0;
1622 } else {
1623 goto invalid_sdl_args;
1624 }
1625 } else if (strstart(opts, ",window_close=", &nextopt)) {
1626 opts = nextopt;
1627 if (strstart(opts, "on", &nextopt)) {
1628 no_quit = 0;
1629 } else if (strstart(opts, "off", &nextopt)) {
1630 no_quit = 1;
1631 } else {
1632 goto invalid_sdl_args;
1633 }
1634 } else {
1635 invalid_sdl_args:
1636 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1637 exit(1);
1638 }
1639 opts = nextopt;
1640 }
1641 #else
1642 fprintf(stderr, "SDL support is disabled\n");
1643 exit(1);
1644 #endif
1645 } else if (strstart(p, "vnc", &opts)) {
1646 #ifdef CONFIG_VNC
1647 display_remote++;
1648
1649 if (*opts) {
1650 const char *nextopt;
1651
1652 if (strstart(opts, "=", &nextopt)) {
1653 vnc_display = nextopt;
1654 }
1655 }
1656 if (!vnc_display) {
1657 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1658 exit(1);
1659 }
1660 #else
1661 fprintf(stderr, "VNC support is disabled\n");
1662 exit(1);
1663 #endif
1664 } else if (strstart(p, "curses", &opts)) {
1665 #ifdef CONFIG_CURSES
1666 display = DT_CURSES;
1667 #else
1668 fprintf(stderr, "Curses support is disabled\n");
1669 exit(1);
1670 #endif
1671 } else if (strstart(p, "none", &opts)) {
1672 display = DT_NONE;
1673 } else {
1674 fprintf(stderr, "Unknown display type: %s\n", p);
1675 exit(1);
1676 }
1677
1678 return display;
1679 }
1680
1681 static int balloon_parse(const char *arg)
1682 {
1683 QemuOpts *opts;
1684
1685 if (strcmp(arg, "none") == 0) {
1686 return 0;
1687 }
1688
1689 if (!strncmp(arg, "virtio", 6)) {
1690 if (arg[6] == ',') {
1691 /* have params -> parse them */
1692 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1693 if (!opts)
1694 return -1;
1695 } else {
1696 /* create empty opts */
1697 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1698 }
1699 qemu_opt_set(opts, "driver", "virtio-balloon");
1700 return 0;
1701 }
1702
1703 return -1;
1704 }
1705
1706 char *qemu_find_file(int type, const char *name)
1707 {
1708 int len;
1709 const char *subdir;
1710 char *buf;
1711
1712 /* If name contains path separators then try it as a straight path. */
1713 if ((strchr(name, '/') || strchr(name, '\\'))
1714 && access(name, R_OK) == 0) {
1715 return g_strdup(name);
1716 }
1717 switch (type) {
1718 case QEMU_FILE_TYPE_BIOS:
1719 subdir = "";
1720 break;
1721 case QEMU_FILE_TYPE_KEYMAP:
1722 subdir = "keymaps/";
1723 break;
1724 default:
1725 abort();
1726 }
1727 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1728 buf = g_malloc0(len);
1729 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1730 if (access(buf, R_OK)) {
1731 g_free(buf);
1732 return NULL;
1733 }
1734 return buf;
1735 }
1736
1737 static int device_help_func(QemuOpts *opts, void *opaque)
1738 {
1739 return qdev_device_help(opts);
1740 }
1741
1742 static int device_init_func(QemuOpts *opts, void *opaque)
1743 {
1744 DeviceState *dev;
1745
1746 dev = qdev_device_add(opts);
1747 if (!dev)
1748 return -1;
1749 return 0;
1750 }
1751
1752 static int chardev_init_func(QemuOpts *opts, void *opaque)
1753 {
1754 CharDriverState *chr;
1755
1756 chr = qemu_chr_new_from_opts(opts, NULL);
1757 if (!chr)
1758 return -1;
1759 return 0;
1760 }
1761
1762 #ifdef CONFIG_VIRTFS
1763 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1764 {
1765 int ret;
1766 ret = qemu_fsdev_add(opts);
1767
1768 return ret;
1769 }
1770 #endif
1771
1772 static int mon_init_func(QemuOpts *opts, void *opaque)
1773 {
1774 CharDriverState *chr;
1775 const char *chardev;
1776 const char *mode;
1777 int flags;
1778
1779 mode = qemu_opt_get(opts, "mode");
1780 if (mode == NULL) {
1781 mode = "readline";
1782 }
1783 if (strcmp(mode, "readline") == 0) {
1784 flags = MONITOR_USE_READLINE;
1785 } else if (strcmp(mode, "control") == 0) {
1786 flags = MONITOR_USE_CONTROL;
1787 } else {
1788 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1789 exit(1);
1790 }
1791
1792 if (qemu_opt_get_bool(opts, "pretty", 0))
1793 flags |= MONITOR_USE_PRETTY;
1794
1795 if (qemu_opt_get_bool(opts, "default", 0))
1796 flags |= MONITOR_IS_DEFAULT;
1797
1798 chardev = qemu_opt_get(opts, "chardev");
1799 chr = qemu_chr_find(chardev);
1800 if (chr == NULL) {
1801 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1802 exit(1);
1803 }
1804
1805 monitor_init(chr, flags);
1806 return 0;
1807 }
1808
1809 static void monitor_parse(const char *optarg, const char *mode)
1810 {
1811 static int monitor_device_index = 0;
1812 QemuOpts *opts;
1813 const char *p;
1814 char label[32];
1815 int def = 0;
1816
1817 if (strstart(optarg, "chardev:", &p)) {
1818 snprintf(label, sizeof(label), "%s", p);
1819 } else {
1820 snprintf(label, sizeof(label), "compat_monitor%d",
1821 monitor_device_index);
1822 if (monitor_device_index == 0) {
1823 def = 1;
1824 }
1825 opts = qemu_chr_parse_compat(label, optarg);
1826 if (!opts) {
1827 fprintf(stderr, "parse error: %s\n", optarg);
1828 exit(1);
1829 }
1830 }
1831
1832 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1833 if (!opts) {
1834 fprintf(stderr, "duplicate chardev: %s\n", label);
1835 exit(1);
1836 }
1837 qemu_opt_set(opts, "mode", mode);
1838 qemu_opt_set(opts, "chardev", label);
1839 if (def)
1840 qemu_opt_set(opts, "default", "on");
1841 monitor_device_index++;
1842 }
1843
1844 struct device_config {
1845 enum {
1846 DEV_USB, /* -usbdevice */
1847 DEV_BT, /* -bt */
1848 DEV_SERIAL, /* -serial */
1849 DEV_PARALLEL, /* -parallel */
1850 DEV_VIRTCON, /* -virtioconsole */
1851 DEV_DEBUGCON, /* -debugcon */
1852 } type;
1853 const char *cmdline;
1854 QTAILQ_ENTRY(device_config) next;
1855 };
1856 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1857
1858 static void add_device_config(int type, const char *cmdline)
1859 {
1860 struct device_config *conf;
1861
1862 conf = g_malloc0(sizeof(*conf));
1863 conf->type = type;
1864 conf->cmdline = cmdline;
1865 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1866 }
1867
1868 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1869 {
1870 struct device_config *conf;
1871 int rc;
1872
1873 QTAILQ_FOREACH(conf, &device_configs, next) {
1874 if (conf->type != type)
1875 continue;
1876 rc = func(conf->cmdline);
1877 if (0 != rc)
1878 return rc;
1879 }
1880 return 0;
1881 }
1882
1883 static int serial_parse(const char *devname)
1884 {
1885 static int index = 0;
1886 char label[32];
1887
1888 if (strcmp(devname, "none") == 0)
1889 return 0;
1890 if (index == MAX_SERIAL_PORTS) {
1891 fprintf(stderr, "qemu: too many serial ports\n");
1892 exit(1);
1893 }
1894 snprintf(label, sizeof(label), "serial%d", index);
1895 serial_hds[index] = qemu_chr_new(label, devname, NULL);
1896 if (!serial_hds[index]) {
1897 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1898 devname, strerror(errno));
1899 return -1;
1900 }
1901 index++;
1902 return 0;
1903 }
1904
1905 static int parallel_parse(const char *devname)
1906 {
1907 static int index = 0;
1908 char label[32];
1909
1910 if (strcmp(devname, "none") == 0)
1911 return 0;
1912 if (index == MAX_PARALLEL_PORTS) {
1913 fprintf(stderr, "qemu: too many parallel ports\n");
1914 exit(1);
1915 }
1916 snprintf(label, sizeof(label), "parallel%d", index);
1917 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
1918 if (!parallel_hds[index]) {
1919 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1920 devname, strerror(errno));
1921 return -1;
1922 }
1923 index++;
1924 return 0;
1925 }
1926
1927 static int virtcon_parse(const char *devname)
1928 {
1929 QemuOptsList *device = qemu_find_opts("device");
1930 static int index = 0;
1931 char label[32];
1932 QemuOpts *bus_opts, *dev_opts;
1933
1934 if (strcmp(devname, "none") == 0)
1935 return 0;
1936 if (index == MAX_VIRTIO_CONSOLES) {
1937 fprintf(stderr, "qemu: too many virtio consoles\n");
1938 exit(1);
1939 }
1940
1941 bus_opts = qemu_opts_create(device, NULL, 0);
1942 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1943
1944 dev_opts = qemu_opts_create(device, NULL, 0);
1945 qemu_opt_set(dev_opts, "driver", "virtconsole");
1946
1947 snprintf(label, sizeof(label), "virtcon%d", index);
1948 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
1949 if (!virtcon_hds[index]) {
1950 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1951 devname, strerror(errno));
1952 return -1;
1953 }
1954 qemu_opt_set(dev_opts, "chardev", label);
1955
1956 index++;
1957 return 0;
1958 }
1959
1960 static int debugcon_parse(const char *devname)
1961 {
1962 QemuOpts *opts;
1963
1964 if (!qemu_chr_new("debugcon", devname, NULL)) {
1965 exit(1);
1966 }
1967 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1968 if (!opts) {
1969 fprintf(stderr, "qemu: already have a debugcon device\n");
1970 exit(1);
1971 }
1972 qemu_opt_set(opts, "driver", "isa-debugcon");
1973 qemu_opt_set(opts, "chardev", "debugcon");
1974 return 0;
1975 }
1976
1977 static QEMUMachine *machine_parse(const char *name)
1978 {
1979 QEMUMachine *m, *machine = NULL;
1980
1981 if (name) {
1982 machine = find_machine(name);
1983 }
1984 if (machine) {
1985 return machine;
1986 }
1987 printf("Supported machines are:\n");
1988 for (m = first_machine; m != NULL; m = m->next) {
1989 if (m->alias) {
1990 printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
1991 }
1992 printf("%-10s %s%s\n", m->name, m->desc,
1993 m->is_default ? " (default)" : "");
1994 }
1995 exit(!name || *name != '?');
1996 }
1997
1998 static int tcg_init(void)
1999 {
2000 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2001 return 0;
2002 }
2003
2004 static struct {
2005 const char *opt_name;
2006 const char *name;
2007 int (*available)(void);
2008 int (*init)(void);
2009 int *allowed;
2010 } accel_list[] = {
2011 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2012 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2013 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2014 };
2015
2016 static int configure_accelerator(void)
2017 {
2018 const char *p = NULL;
2019 char buf[10];
2020 int i, ret;
2021 bool accel_initalised = 0;
2022 bool init_failed = 0;
2023
2024 QemuOptsList *list = qemu_find_opts("machine");
2025 if (!QTAILQ_EMPTY(&list->head)) {
2026 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2027 }
2028
2029 if (p == NULL) {
2030 /* Use the default "accelerator", tcg */
2031 p = "tcg";
2032 }
2033
2034 while (!accel_initalised && *p != '\0') {
2035 if (*p == ':') {
2036 p++;
2037 }
2038 p = get_opt_name(buf, sizeof (buf), p, ':');
2039 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2040 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2041 *(accel_list[i].allowed) = 1;
2042 ret = accel_list[i].init();
2043 if (ret < 0) {
2044 init_failed = 1;
2045 if (!accel_list[i].available()) {
2046 printf("%s not supported for this target\n",
2047 accel_list[i].name);
2048 } else {
2049 fprintf(stderr, "failed to initialize %s: %s\n",
2050 accel_list[i].name,
2051 strerror(-ret));
2052 }
2053 *(accel_list[i].allowed) = 0;
2054 } else {
2055 accel_initalised = 1;
2056 }
2057 break;
2058 }
2059 }
2060 if (i == ARRAY_SIZE(accel_list)) {
2061 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2062 }
2063 }
2064
2065 if (!accel_initalised) {
2066 fprintf(stderr, "No accelerator found!\n");
2067 exit(1);
2068 }
2069
2070 if (init_failed) {
2071 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2072 }
2073
2074 return !accel_initalised;
2075 }
2076
2077 void qemu_add_exit_notifier(Notifier *notify)
2078 {
2079 notifier_list_add(&exit_notifiers, notify);
2080 }
2081
2082 void qemu_remove_exit_notifier(Notifier *notify)
2083 {
2084 notifier_list_remove(&exit_notifiers, notify);
2085 }
2086
2087 static void qemu_run_exit_notifiers(void)
2088 {
2089 notifier_list_notify(&exit_notifiers, NULL);
2090 }
2091
2092 void qemu_add_machine_init_done_notifier(Notifier *notify)
2093 {
2094 notifier_list_add(&machine_init_done_notifiers, notify);
2095 }
2096
2097 static void qemu_run_machine_init_done_notifiers(void)
2098 {
2099 notifier_list_notify(&machine_init_done_notifiers, NULL);
2100 }
2101
2102 static const QEMUOption *lookup_opt(int argc, char **argv,
2103 const char **poptarg, int *poptind)
2104 {
2105 const QEMUOption *popt;
2106 int optind = *poptind;
2107 char *r = argv[optind];
2108 const char *optarg;
2109
2110 loc_set_cmdline(argv, optind, 1);
2111 optind++;
2112 /* Treat --foo the same as -foo. */
2113 if (r[1] == '-')
2114 r++;
2115 popt = qemu_options;
2116 for(;;) {
2117 if (!popt->name) {
2118 error_report("invalid option");
2119 exit(1);
2120 }
2121 if (!strcmp(popt->name, r + 1))
2122 break;
2123 popt++;
2124 }
2125 if (popt->flags & HAS_ARG) {
2126 if (optind >= argc) {
2127 error_report("requires an argument");
2128 exit(1);
2129 }
2130 optarg = argv[optind++];
2131 loc_set_cmdline(argv, optind - 2, 2);
2132 } else {
2133 optarg = NULL;
2134 }
2135
2136 *poptarg = optarg;
2137 *poptind = optind;
2138
2139 return popt;
2140 }
2141
2142 static gpointer malloc_and_trace(gsize n_bytes)
2143 {
2144 void *ptr = malloc(n_bytes);
2145 trace_g_malloc(n_bytes, ptr);
2146 return ptr;
2147 }
2148
2149 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2150 {
2151 void *ptr = realloc(mem, n_bytes);
2152 trace_g_realloc(mem, n_bytes, ptr);
2153 return ptr;
2154 }
2155
2156 static void free_and_trace(gpointer mem)
2157 {
2158 trace_g_free(mem);
2159 free(mem);
2160 }
2161
2162 int main(int argc, char **argv, char **envp)
2163 {
2164 const char *gdbstub_dev = NULL;
2165 int i;
2166 int snapshot, linux_boot;
2167 const char *icount_option = NULL;
2168 const char *initrd_filename;
2169 const char *kernel_filename, *kernel_cmdline;
2170 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2171 DisplayState *ds;
2172 DisplayChangeListener *dcl;
2173 int cyls, heads, secs, translation;
2174 QemuOpts *hda_opts = NULL, *opts;
2175 QemuOptsList *olist;
2176 int optind;
2177 const char *optarg;
2178 const char *loadvm = NULL;
2179 QEMUMachine *machine;
2180 const char *cpu_model;
2181 const char *vga_model = NULL;
2182 const char *pid_file = NULL;
2183 const char *incoming = NULL;
2184 #ifdef CONFIG_VNC
2185 int show_vnc_port = 0;
2186 #endif
2187 int defconfig = 1;
2188 const char *log_mask = NULL;
2189 const char *log_file = NULL;
2190 GMemVTable mem_trace = {
2191 .malloc = malloc_and_trace,
2192 .realloc = realloc_and_trace,
2193 .free = free_and_trace,
2194 };
2195 const char *trace_events = NULL;
2196 const char *trace_file = NULL;
2197
2198 atexit(qemu_run_exit_notifiers);
2199 error_set_progname(argv[0]);
2200
2201 g_mem_set_vtable(&mem_trace);
2202 if (!g_thread_supported()) {
2203 #if !GLIB_CHECK_VERSION(2, 31, 0)
2204 g_thread_init(NULL);
2205 #else
2206 fprintf(stderr, "glib threading failed to initialize.\n");
2207 exit(1);
2208 #endif
2209 }
2210
2211 runstate_init();
2212
2213 init_clocks();
2214 rtc_clock = host_clock;
2215
2216 qemu_cache_utils_init(envp);
2217
2218 QLIST_INIT (&vm_change_state_head);
2219 os_setup_early_signal_handling();
2220
2221 module_call_init(MODULE_INIT_MACHINE);
2222 machine = find_default_machine();
2223 cpu_model = NULL;
2224 initrd_filename = NULL;
2225 ram_size = 0;
2226 snapshot = 0;
2227 kernel_filename = NULL;
2228 kernel_cmdline = "";
2229 cyls = heads = secs = 0;
2230 translation = BIOS_ATA_TRANSLATION_AUTO;
2231
2232 for (i = 0; i < MAX_NODES; i++) {
2233 node_mem[i] = 0;
2234 node_cpumask[i] = 0;
2235 }
2236
2237 nb_numa_nodes = 0;
2238 nb_nics = 0;
2239
2240 autostart= 1;
2241
2242 /* first pass of option parsing */
2243 optind = 1;
2244 while (optind < argc) {
2245 if (argv[optind][0] != '-') {
2246 /* disk image */
2247 optind++;
2248 continue;
2249 } else {
2250 const QEMUOption *popt;
2251
2252 popt = lookup_opt(argc, argv, &optarg, &optind);
2253 switch (popt->index) {
2254 case QEMU_OPTION_nodefconfig:
2255 defconfig=0;
2256 break;
2257 }
2258 }
2259 }
2260
2261 if (defconfig) {
2262 int ret;
2263
2264 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2265 if (ret < 0 && ret != -ENOENT) {
2266 exit(1);
2267 }
2268
2269 ret = qemu_read_config_file(arch_config_name);
2270 if (ret < 0 && ret != -ENOENT) {
2271 exit(1);
2272 }
2273 }
2274 cpudef_init();
2275
2276 /* second pass of option parsing */
2277 optind = 1;
2278 for(;;) {
2279 if (optind >= argc)
2280 break;
2281 if (argv[optind][0] != '-') {
2282 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2283 } else {
2284 const QEMUOption *popt;
2285
2286 popt = lookup_opt(argc, argv, &optarg, &optind);
2287 if (!(popt->arch_mask & arch_type)) {
2288 printf("Option %s not supported for this target\n", popt->name);
2289 exit(1);
2290 }
2291 switch(popt->index) {
2292 case QEMU_OPTION_M:
2293 machine = machine_parse(optarg);
2294 break;
2295 case QEMU_OPTION_cpu:
2296 /* hw initialization will check this */
2297 if (*optarg == '?') {
2298 list_cpus(stdout, &fprintf, optarg);
2299 exit(0);
2300 } else {
2301 cpu_model = optarg;
2302 }
2303 break;
2304 case QEMU_OPTION_initrd:
2305 initrd_filename = optarg;
2306 break;
2307 case QEMU_OPTION_hda:
2308 {
2309 char buf[256];
2310 if (cyls == 0)
2311 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2312 else
2313 snprintf(buf, sizeof(buf),
2314 "%s,cyls=%d,heads=%d,secs=%d%s",
2315 HD_OPTS , cyls, heads, secs,
2316 translation == BIOS_ATA_TRANSLATION_LBA ?
2317 ",trans=lba" :
2318 translation == BIOS_ATA_TRANSLATION_NONE ?
2319 ",trans=none" : "");
2320 drive_add(IF_DEFAULT, 0, optarg, buf);
2321 break;
2322 }
2323 case QEMU_OPTION_hdb:
2324 case QEMU_OPTION_hdc:
2325 case QEMU_OPTION_hdd:
2326 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2327 HD_OPTS);
2328 break;
2329 case QEMU_OPTION_drive:
2330 if (drive_def(optarg) == NULL) {
2331 exit(1);
2332 }
2333 break;
2334 case QEMU_OPTION_set:
2335 if (qemu_set_option(optarg) != 0)
2336 exit(1);
2337 break;
2338 case QEMU_OPTION_global:
2339 if (qemu_global_option(optarg) != 0)
2340 exit(1);
2341 break;
2342 case QEMU_OPTION_mtdblock:
2343 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2344 break;
2345 case QEMU_OPTION_sd:
2346 drive_add(IF_SD, 0, optarg, SD_OPTS);
2347 break;
2348 case QEMU_OPTION_pflash:
2349 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2350 break;
2351 case QEMU_OPTION_snapshot:
2352 snapshot = 1;
2353 break;
2354 case QEMU_OPTION_hdachs:
2355 {
2356 const char *p;
2357 p = optarg;
2358 cyls = strtol(p, (char **)&p, 0);
2359 if (cyls < 1 || cyls > 16383)
2360 goto chs_fail;
2361 if (*p != ',')
2362 goto chs_fail;
2363 p++;
2364 heads = strtol(p, (char **)&p, 0);
2365 if (heads < 1 || heads > 16)
2366 goto chs_fail;
2367 if (*p != ',')
2368 goto chs_fail;
2369 p++;
2370 secs = strtol(p, (char **)&p, 0);
2371 if (secs < 1 || secs > 63)
2372 goto chs_fail;
2373 if (*p == ',') {
2374 p++;
2375 if (!strcmp(p, "none"))
2376 translation = BIOS_ATA_TRANSLATION_NONE;
2377 else if (!strcmp(p, "lba"))
2378 translation = BIOS_ATA_TRANSLATION_LBA;
2379 else if (!strcmp(p, "auto"))
2380 translation = BIOS_ATA_TRANSLATION_AUTO;
2381 else
2382 goto chs_fail;
2383 } else if (*p != '\0') {
2384 chs_fail:
2385 fprintf(stderr, "qemu: invalid physical CHS format\n");
2386 exit(1);
2387 }
2388 if (hda_opts != NULL) {
2389 char num[16];
2390 snprintf(num, sizeof(num), "%d", cyls);
2391 qemu_opt_set(hda_opts, "cyls", num);
2392 snprintf(num, sizeof(num), "%d", heads);
2393 qemu_opt_set(hda_opts, "heads", num);
2394 snprintf(num, sizeof(num), "%d", secs);
2395 qemu_opt_set(hda_opts, "secs", num);
2396 if (translation == BIOS_ATA_TRANSLATION_LBA)
2397 qemu_opt_set(hda_opts, "trans", "lba");
2398 if (translation == BIOS_ATA_TRANSLATION_NONE)
2399 qemu_opt_set(hda_opts, "trans", "none");
2400 }
2401 }
2402 break;
2403 case QEMU_OPTION_numa:
2404 if (nb_numa_nodes >= MAX_NODES) {
2405 fprintf(stderr, "qemu: too many NUMA nodes\n");
2406 exit(1);
2407 }
2408 numa_add(optarg);
2409 break;
2410 case QEMU_OPTION_display:
2411 display_type = select_display(optarg);
2412 break;
2413 case QEMU_OPTION_nographic:
2414 display_type = DT_NOGRAPHIC;
2415 break;
2416 case QEMU_OPTION_curses:
2417 #ifdef CONFIG_CURSES
2418 display_type = DT_CURSES;
2419 #else
2420 fprintf(stderr, "Curses support is disabled\n");
2421 exit(1);
2422 #endif
2423 break;
2424 case QEMU_OPTION_portrait:
2425 graphic_rotate = 90;
2426 break;
2427 case QEMU_OPTION_rotate:
2428 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2429 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2430 graphic_rotate != 180 && graphic_rotate != 270) {
2431 fprintf(stderr,
2432 "qemu: only 90, 180, 270 deg rotation is available\n");
2433 exit(1);
2434 }
2435 break;
2436 case QEMU_OPTION_kernel:
2437 kernel_filename = optarg;
2438 break;
2439 case QEMU_OPTION_append:
2440 kernel_cmdline = optarg;
2441 break;
2442 case QEMU_OPTION_cdrom:
2443 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2444 break;
2445 case QEMU_OPTION_boot:
2446 {
2447 static const char * const params[] = {
2448 "order", "once", "menu",
2449 "splash", "splash-time", NULL
2450 };
2451 char buf[sizeof(boot_devices)];
2452 char *standard_boot_devices;
2453 int legacy = 0;
2454
2455 if (!strchr(optarg, '=')) {
2456 legacy = 1;
2457 pstrcpy(buf, sizeof(buf), optarg);
2458 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2459 fprintf(stderr,
2460 "qemu: unknown boot parameter '%s' in '%s'\n",
2461 buf, optarg);
2462 exit(1);
2463 }
2464
2465 if (legacy ||
2466 get_param_value(buf, sizeof(buf), "order", optarg)) {
2467 validate_bootdevices(buf);
2468 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2469 }
2470 if (!legacy) {
2471 if (get_param_value(buf, sizeof(buf),
2472 "once", optarg)) {
2473 validate_bootdevices(buf);
2474 standard_boot_devices = g_strdup(boot_devices);
2475 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2476 qemu_register_reset(restore_boot_devices,
2477 standard_boot_devices);
2478 }
2479 if (get_param_value(buf, sizeof(buf),
2480 "menu", optarg)) {
2481 if (!strcmp(buf, "on")) {
2482 boot_menu = 1;
2483 } else if (!strcmp(buf, "off")) {
2484 boot_menu = 0;
2485 } else {
2486 fprintf(stderr,
2487 "qemu: invalid option value '%s'\n",
2488 buf);
2489 exit(1);
2490 }
2491 }
2492 qemu_opts_parse(qemu_find_opts("boot-opts"),
2493 optarg, 0);
2494 }
2495 }
2496 break;
2497 case QEMU_OPTION_fda:
2498 case QEMU_OPTION_fdb:
2499 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2500 optarg, FD_OPTS);
2501 break;
2502 case QEMU_OPTION_no_fd_bootchk:
2503 fd_bootchk = 0;
2504 break;
2505 case QEMU_OPTION_netdev:
2506 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2507 exit(1);
2508 }
2509 break;
2510 case QEMU_OPTION_net:
2511 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2512 exit(1);
2513 }
2514 break;
2515 #ifdef CONFIG_SLIRP
2516 case QEMU_OPTION_tftp:
2517 legacy_tftp_prefix = optarg;
2518 break;
2519 case QEMU_OPTION_bootp:
2520 legacy_bootp_filename = optarg;
2521 break;
2522 case QEMU_OPTION_redir:
2523 if (net_slirp_redir(optarg) < 0)
2524 exit(1);
2525 break;
2526 #endif
2527 case QEMU_OPTION_bt:
2528 add_device_config(DEV_BT, optarg);
2529 break;
2530 case QEMU_OPTION_audio_help:
2531 if (!(audio_available())) {
2532 printf("Option %s not supported for this target\n", popt->name);
2533 exit(1);
2534 }
2535 AUD_help ();
2536 exit (0);
2537 break;
2538 case QEMU_OPTION_soundhw:
2539 if (!(audio_available())) {
2540 printf("Option %s not supported for this target\n", popt->name);
2541 exit(1);
2542 }
2543 select_soundhw (optarg);
2544 break;
2545 case QEMU_OPTION_h:
2546 help(0);
2547 break;
2548 case QEMU_OPTION_version:
2549 version();
2550 exit(0);
2551 break;
2552 case QEMU_OPTION_m: {
2553 int64_t value;
2554 char *end;
2555
2556 value = strtosz(optarg, &end);
2557 if (value < 0 || *end) {
2558 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2559 exit(1);
2560 }
2561
2562 if (value != (uint64_t)(ram_addr_t)value) {
2563 fprintf(stderr, "qemu: ram size too large\n");
2564 exit(1);
2565 }
2566 ram_size = value;
2567 break;
2568 }
2569 case QEMU_OPTION_mempath:
2570 mem_path = optarg;
2571 break;
2572 #ifdef MAP_POPULATE
2573 case QEMU_OPTION_mem_prealloc:
2574 mem_prealloc = 1;
2575 break;
2576 #endif
2577 case QEMU_OPTION_d:
2578 log_mask = optarg;
2579 break;
2580 case QEMU_OPTION_D:
2581 log_file = optarg;
2582 break;
2583 case QEMU_OPTION_s:
2584 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2585 break;
2586 case QEMU_OPTION_gdb:
2587 gdbstub_dev = optarg;
2588 break;
2589 case QEMU_OPTION_L:
2590 data_dir = optarg;
2591 break;
2592 case QEMU_OPTION_bios:
2593 bios_name = optarg;
2594 break;
2595 case QEMU_OPTION_singlestep:
2596 singlestep = 1;
2597 break;
2598 case QEMU_OPTION_S:
2599 autostart = 0;
2600 break;
2601 case QEMU_OPTION_k:
2602 keyboard_layout = optarg;
2603 break;
2604 case QEMU_OPTION_localtime:
2605 rtc_utc = 0;
2606 break;
2607 case QEMU_OPTION_vga:
2608 vga_model = optarg;
2609 break;
2610 case QEMU_OPTION_g:
2611 {
2612 const char *p;
2613 int w, h, depth;
2614 p = optarg;
2615 w = strtol(p, (char **)&p, 10);
2616 if (w <= 0) {
2617 graphic_error:
2618 fprintf(stderr, "qemu: invalid resolution or depth\n");
2619 exit(1);
2620 }
2621 if (*p != 'x')
2622 goto graphic_error;
2623 p++;
2624 h = strtol(p, (char **)&p, 10);
2625 if (h <= 0)
2626 goto graphic_error;
2627 if (*p == 'x') {
2628 p++;
2629 depth = strtol(p, (char **)&p, 10);
2630 if (depth != 8 && depth != 15 && depth != 16 &&
2631 depth != 24 && depth != 32)
2632 goto graphic_error;
2633 } else if (*p == '\0') {
2634 depth = graphic_depth;
2635 } else {
2636 goto graphic_error;
2637 }
2638
2639 graphic_width = w;
2640 graphic_height = h;
2641 graphic_depth = depth;
2642 }
2643 break;
2644 case QEMU_OPTION_echr:
2645 {
2646 char *r;
2647 term_escape_char = strtol(optarg, &r, 0);
2648 if (r == optarg)
2649 printf("Bad argument to echr\n");
2650 break;
2651 }
2652 case QEMU_OPTION_monitor:
2653 monitor_parse(optarg, "readline");
2654 default_monitor = 0;
2655 break;
2656 case QEMU_OPTION_qmp:
2657 monitor_parse(optarg, "control");
2658 default_monitor = 0;
2659 break;
2660 case QEMU_OPTION_mon:
2661 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2662 if (!opts) {
2663 exit(1);
2664 }
2665 default_monitor = 0;
2666 break;
2667 case QEMU_OPTION_chardev:
2668 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2669 if (!opts) {
2670 exit(1);
2671 }
2672 break;
2673 case QEMU_OPTION_fsdev:
2674 olist = qemu_find_opts("fsdev");
2675 if (!olist) {
2676 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2677 exit(1);
2678 }
2679 opts = qemu_opts_parse(olist, optarg, 1);
2680 if (!opts) {
2681 fprintf(stderr, "parse error: %s\n", optarg);
2682 exit(1);
2683 }
2684 break;
2685 case QEMU_OPTION_virtfs: {
2686 QemuOpts *fsdev;
2687 QemuOpts *device;
2688 const char *writeout, *sock_fd, *socket;
2689
2690 olist = qemu_find_opts("virtfs");
2691 if (!olist) {
2692 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2693 exit(1);
2694 }
2695 opts = qemu_opts_parse(olist, optarg, 1);
2696 if (!opts) {
2697 fprintf(stderr, "parse error: %s\n", optarg);
2698 exit(1);
2699 }
2700
2701 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2702 qemu_opt_get(opts, "mount_tag") == NULL) {
2703 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2704 exit(1);
2705 }
2706 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2707 qemu_opt_get(opts, "mount_tag"), 1);
2708 if (!fsdev) {
2709 fprintf(stderr, "duplicate fsdev id: %s\n",
2710 qemu_opt_get(opts, "mount_tag"));
2711 exit(1);
2712 }
2713
2714 writeout = qemu_opt_get(opts, "writeout");
2715 if (writeout) {
2716 #ifdef CONFIG_SYNC_FILE_RANGE
2717 qemu_opt_set(fsdev, "writeout", writeout);
2718 #else
2719 fprintf(stderr, "writeout=immediate not supported on "
2720 "this platform\n");
2721 exit(1);
2722 #endif
2723 }
2724 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2725 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2726 qemu_opt_set(fsdev, "security_model",
2727 qemu_opt_get(opts, "security_model"));
2728 socket = qemu_opt_get(opts, "socket");
2729 if (socket) {
2730 qemu_opt_set(fsdev, "socket", socket);
2731 }
2732 sock_fd = qemu_opt_get(opts, "sock_fd");
2733 if (sock_fd) {
2734 qemu_opt_set(fsdev, "sock_fd", sock_fd);
2735 }
2736
2737 qemu_opt_set_bool(fsdev, "readonly",
2738 qemu_opt_get_bool(opts, "readonly", 0));
2739 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2740 qemu_opt_set(device, "driver", "virtio-9p-pci");
2741 qemu_opt_set(device, "fsdev",
2742 qemu_opt_get(opts, "mount_tag"));
2743 qemu_opt_set(device, "mount_tag",
2744 qemu_opt_get(opts, "mount_tag"));
2745 break;
2746 }
2747 case QEMU_OPTION_virtfs_synth: {
2748 QemuOpts *fsdev;
2749 QemuOpts *device;
2750
2751 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2752 if (!fsdev) {
2753 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2754 exit(1);
2755 }
2756 qemu_opt_set(fsdev, "fsdriver", "synth");
2757
2758 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2759 qemu_opt_set(device, "driver", "virtio-9p-pci");
2760 qemu_opt_set(device, "fsdev", "v_synth");
2761 qemu_opt_set(device, "mount_tag", "v_synth");
2762 break;
2763 }
2764 case QEMU_OPTION_serial:
2765 add_device_config(DEV_SERIAL, optarg);
2766 default_serial = 0;
2767 if (strncmp(optarg, "mon:", 4) == 0) {
2768 default_monitor = 0;
2769 }
2770 break;
2771 case QEMU_OPTION_watchdog:
2772 if (watchdog) {
2773 fprintf(stderr,
2774 "qemu: only one watchdog option may be given\n");
2775 return 1;
2776 }
2777 watchdog = optarg;
2778 break;
2779 case QEMU_OPTION_watchdog_action:
2780 if (select_watchdog_action(optarg) == -1) {
2781 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2782 exit(1);
2783 }
2784 break;
2785 case QEMU_OPTION_virtiocon:
2786 add_device_config(DEV_VIRTCON, optarg);
2787 default_virtcon = 0;
2788 if (strncmp(optarg, "mon:", 4) == 0) {
2789 default_monitor = 0;
2790 }
2791 break;
2792 case QEMU_OPTION_parallel:
2793 add_device_config(DEV_PARALLEL, optarg);
2794 default_parallel = 0;
2795 if (strncmp(optarg, "mon:", 4) == 0) {
2796 default_monitor = 0;
2797 }
2798 break;
2799 case QEMU_OPTION_debugcon:
2800 add_device_config(DEV_DEBUGCON, optarg);
2801 break;
2802 case QEMU_OPTION_loadvm:
2803 loadvm = optarg;
2804 break;
2805 case QEMU_OPTION_full_screen:
2806 full_screen = 1;
2807 break;
2808 #ifdef CONFIG_SDL
2809 case QEMU_OPTION_no_frame:
2810 no_frame = 1;
2811 break;
2812 case QEMU_OPTION_alt_grab:
2813 alt_grab = 1;
2814 break;
2815 case QEMU_OPTION_ctrl_grab:
2816 ctrl_grab = 1;
2817 break;
2818 case QEMU_OPTION_no_quit:
2819 no_quit = 1;
2820 break;
2821 case QEMU_OPTION_sdl:
2822 display_type = DT_SDL;
2823 break;
2824 #else
2825 case QEMU_OPTION_no_frame:
2826 case QEMU_OPTION_alt_grab:
2827 case QEMU_OPTION_ctrl_grab:
2828 case QEMU_OPTION_no_quit:
2829 case QEMU_OPTION_sdl:
2830 fprintf(stderr, "SDL support is disabled\n");
2831 exit(1);
2832 #endif
2833 case QEMU_OPTION_pidfile:
2834 pid_file = optarg;
2835 break;
2836 case QEMU_OPTION_win2k_hack:
2837 win2k_install_hack = 1;
2838 break;
2839 case QEMU_OPTION_rtc_td_hack:
2840 rtc_td_hack = 1;
2841 break;
2842 case QEMU_OPTION_acpitable:
2843 do_acpitable_option(optarg);
2844 break;
2845 case QEMU_OPTION_smbios:
2846 do_smbios_option(optarg);
2847 break;
2848 case QEMU_OPTION_enable_kvm:
2849 olist = qemu_find_opts("machine");
2850 qemu_opts_reset(olist);
2851 qemu_opts_parse(olist, "accel=kvm", 0);
2852 break;
2853 case QEMU_OPTION_machine:
2854 olist = qemu_find_opts("machine");
2855 qemu_opts_reset(olist);
2856 opts = qemu_opts_parse(olist, optarg, 1);
2857 if (!opts) {
2858 fprintf(stderr, "parse error: %s\n", optarg);
2859 exit(1);
2860 }
2861 optarg = qemu_opt_get(opts, "type");
2862 if (optarg) {
2863 machine = machine_parse(optarg);
2864 }
2865 break;
2866 case QEMU_OPTION_usb:
2867 usb_enabled = 1;
2868 break;
2869 case QEMU_OPTION_usbdevice:
2870 usb_enabled = 1;
2871 add_device_config(DEV_USB, optarg);
2872 break;
2873 case QEMU_OPTION_device:
2874 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2875 exit(1);
2876 }
2877 break;
2878 case QEMU_OPTION_smp:
2879 smp_parse(optarg);
2880 if (smp_cpus < 1) {
2881 fprintf(stderr, "Invalid number of CPUs\n");
2882 exit(1);
2883 }
2884 if (max_cpus < smp_cpus) {
2885 fprintf(stderr, "maxcpus must be equal to or greater than "
2886 "smp\n");
2887 exit(1);
2888 }
2889 if (max_cpus > 255) {
2890 fprintf(stderr, "Unsupported number of maxcpus\n");
2891 exit(1);
2892 }
2893 break;
2894 case QEMU_OPTION_vnc:
2895 #ifdef CONFIG_VNC
2896 display_remote++;
2897 vnc_display = optarg;
2898 #else
2899 fprintf(stderr, "VNC support is disabled\n");
2900 exit(1);
2901 #endif
2902 break;
2903 case QEMU_OPTION_no_acpi:
2904 acpi_enabled = 0;
2905 break;
2906 case QEMU_OPTION_no_hpet:
2907 no_hpet = 1;
2908 break;
2909 case QEMU_OPTION_balloon:
2910 if (balloon_parse(optarg) < 0) {
2911 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2912 exit(1);
2913 }
2914 break;
2915 case QEMU_OPTION_no_reboot:
2916 no_reboot = 1;
2917 break;
2918 case QEMU_OPTION_no_shutdown:
2919 no_shutdown = 1;
2920 break;
2921 case QEMU_OPTION_show_cursor:
2922 cursor_hide = 0;
2923 break;
2924 case QEMU_OPTION_uuid:
2925 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2926 fprintf(stderr, "Fail to parse UUID string."
2927 " Wrong format.\n");
2928 exit(1);
2929 }
2930 break;
2931 case QEMU_OPTION_option_rom:
2932 if (nb_option_roms >= MAX_OPTION_ROMS) {
2933 fprintf(stderr, "Too many option ROMs\n");
2934 exit(1);
2935 }
2936 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2937 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2938 option_rom[nb_option_roms].bootindex =
2939 qemu_opt_get_number(opts, "bootindex", -1);
2940 if (!option_rom[nb_option_roms].name) {
2941 fprintf(stderr, "Option ROM file is not specified\n");
2942 exit(1);
2943 }
2944 nb_option_roms++;
2945 break;
2946 case QEMU_OPTION_semihosting:
2947 semihosting_enabled = 1;
2948 break;
2949 case QEMU_OPTION_name:
2950 qemu_name = g_strdup(optarg);
2951 {
2952 char *p = strchr(qemu_name, ',');
2953 if (p != NULL) {
2954 *p++ = 0;
2955 if (strncmp(p, "process=", 8)) {
2956 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2957 exit(1);
2958 }
2959 p += 8;
2960 os_set_proc_name(p);
2961 }
2962 }
2963 break;
2964 case QEMU_OPTION_prom_env:
2965 if (nb_prom_envs >= MAX_PROM_ENVS) {
2966 fprintf(stderr, "Too many prom variables\n");
2967 exit(1);
2968 }
2969 prom_envs[nb_prom_envs] = optarg;
2970 nb_prom_envs++;
2971 break;
2972 case QEMU_OPTION_old_param:
2973 old_param = 1;
2974 break;
2975 case QEMU_OPTION_clock:
2976 configure_alarms(optarg);
2977 break;
2978 case QEMU_OPTION_startdate:
2979 configure_rtc_date_offset(optarg, 1);
2980 break;
2981 case QEMU_OPTION_rtc:
2982 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2983 if (!opts) {
2984 exit(1);
2985 }
2986 configure_rtc(opts);
2987 break;
2988 case QEMU_OPTION_tb_size:
2989 tcg_tb_size = strtol(optarg, NULL, 0);
2990 if (tcg_tb_size < 0) {
2991 tcg_tb_size = 0;
2992 }
2993 break;
2994 case QEMU_OPTION_icount:
2995 icount_option = optarg;
2996 break;
2997 case QEMU_OPTION_incoming:
2998 incoming = optarg;
2999 break;
3000 case QEMU_OPTION_nodefaults:
3001 default_serial = 0;
3002 default_parallel = 0;
3003 default_virtcon = 0;
3004 default_monitor = 0;
3005 default_net = 0;
3006 default_floppy = 0;
3007 default_cdrom = 0;
3008 default_sdcard = 0;
3009 vga_model = "none";
3010 break;
3011 case QEMU_OPTION_xen_domid:
3012 if (!(xen_available())) {
3013 printf("Option %s not supported for this target\n", popt->name);
3014 exit(1);
3015 }
3016 xen_domid = atoi(optarg);
3017 break;
3018 case QEMU_OPTION_xen_create:
3019 if (!(xen_available())) {
3020 printf("Option %s not supported for this target\n", popt->name);
3021 exit(1);
3022 }
3023 xen_mode = XEN_CREATE;
3024 break;
3025 case QEMU_OPTION_xen_attach:
3026 if (!(xen_available())) {
3027 printf("Option %s not supported for this target\n", popt->name);
3028 exit(1);
3029 }
3030 xen_mode = XEN_ATTACH;
3031 break;
3032 case QEMU_OPTION_trace:
3033 {
3034 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3035 if (!opts) {
3036 exit(1);
3037 }
3038 trace_events = qemu_opt_get(opts, "events");
3039 trace_file = qemu_opt_get(opts, "file");
3040 break;
3041 }
3042 case QEMU_OPTION_readconfig:
3043 {
3044 int ret = qemu_read_config_file(optarg);
3045 if (ret < 0) {
3046 fprintf(stderr, "read config %s: %s\n", optarg,
3047 strerror(-ret));
3048 exit(1);
3049 }
3050 break;
3051 }
3052 case QEMU_OPTION_spice:
3053 olist = qemu_find_opts("spice");
3054 if (!olist) {
3055 fprintf(stderr, "spice is not supported by this qemu build.\n");
3056 exit(1);
3057 }
3058 opts = qemu_opts_parse(olist, optarg, 0);
3059 if (!opts) {
3060 fprintf(stderr, "parse error: %s\n", optarg);
3061 exit(1);
3062 }
3063 break;
3064 case QEMU_OPTION_writeconfig:
3065 {
3066 FILE *fp;
3067 if (strcmp(optarg, "-") == 0) {
3068 fp = stdout;
3069 } else {
3070 fp = fopen(optarg, "w");
3071 if (fp == NULL) {
3072 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3073 exit(1);
3074 }
3075 }
3076 qemu_config_write(fp);
3077 fclose(fp);
3078 break;
3079 }
3080 default:
3081 os_parse_cmd_args(popt->index, optarg);
3082 }
3083 }
3084 }
3085 loc_set_none();
3086
3087 /* Open the logfile at this point, if necessary. We can't open the logfile
3088 * when encountering either of the logging options (-d or -D) because the
3089 * other one may be encountered later on the command line, changing the
3090 * location or level of logging.
3091 */
3092 if (log_mask) {
3093 if (log_file) {
3094 set_cpu_log_filename(log_file);
3095 }
3096 set_cpu_log(log_mask);
3097 }
3098
3099 if (!trace_backend_init(trace_events, trace_file)) {
3100 exit(1);
3101 }
3102
3103 /* If no data_dir is specified then try to find it relative to the
3104 executable path. */
3105 if (!data_dir) {
3106 data_dir = os_find_datadir(argv[0]);
3107 }
3108 /* If all else fails use the install path specified when building. */
3109 if (!data_dir) {
3110 data_dir = CONFIG_QEMU_DATADIR;
3111 }
3112
3113 if (machine == NULL) {
3114 fprintf(stderr, "No machine found.\n");
3115 exit(1);
3116 }
3117
3118 /*
3119 * Default to max_cpus = smp_cpus, in case the user doesn't
3120 * specify a max_cpus value.
3121 */
3122 if (!max_cpus)
3123 max_cpus = smp_cpus;
3124
3125 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3126 if (smp_cpus > machine->max_cpus) {
3127 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3128 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3129 machine->max_cpus);
3130 exit(1);
3131 }
3132
3133 /*
3134 * Get the default machine options from the machine if it is not already
3135 * specified either by the configuration file or by the command line.
3136 */
3137 if (machine->default_machine_opts) {
3138 QemuOptsList *list = qemu_find_opts("machine");
3139 const char *p = NULL;
3140
3141 if (!QTAILQ_EMPTY(&list->head)) {
3142 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
3143 }
3144 if (p == NULL) {
3145 qemu_opts_reset(list);
3146 opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
3147 if (!opts) {
3148 fprintf(stderr, "parse error for machine %s: %s\n",
3149 machine->name, machine->default_machine_opts);
3150 exit(1);
3151 }
3152 }
3153 }
3154
3155 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3156 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3157
3158 if (machine->no_serial) {
3159 default_serial = 0;
3160 }
3161 if (machine->no_parallel) {
3162 default_parallel = 0;
3163 }
3164 if (!machine->use_virtcon) {
3165 default_virtcon = 0;
3166 }
3167 if (machine->no_floppy) {
3168 default_floppy = 0;
3169 }
3170 if (machine->no_cdrom) {
3171 default_cdrom = 0;
3172 }
3173 if (machine->no_sdcard) {
3174 default_sdcard = 0;
3175 }
3176
3177 if (display_type == DT_NOGRAPHIC) {
3178 if (default_parallel)
3179 add_device_config(DEV_PARALLEL, "null");
3180 if (default_serial && default_monitor) {
3181 add_device_config(DEV_SERIAL, "mon:stdio");
3182 } else if (default_virtcon && default_monitor) {
3183 add_device_config(DEV_VIRTCON, "mon:stdio");
3184 } else {
3185 if (default_serial)
3186 add_device_config(DEV_SERIAL, "stdio");
3187 if (default_virtcon)
3188 add_device_config(DEV_VIRTCON, "stdio");
3189 if (default_monitor)
3190 monitor_parse("stdio", "readline");
3191 }
3192 } else {
3193 if (default_serial)
3194 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3195 if (default_parallel)
3196 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3197 if (default_monitor)
3198 monitor_parse("vc:80Cx24C", "readline");
3199 if (default_virtcon)
3200 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3201 }
3202
3203 socket_init();
3204
3205 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3206 exit(1);
3207 #ifdef CONFIG_VIRTFS
3208 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3209 exit(1);
3210 }
3211 #endif
3212
3213 os_daemonize();
3214
3215 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3216 os_pidfile_error();
3217 exit(1);
3218 }
3219
3220 /* init the memory */
3221 if (ram_size == 0) {
3222 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3223 }
3224
3225 configure_accelerator();
3226
3227 qemu_init_cpu_loop();
3228 if (qemu_init_main_loop()) {
3229 fprintf(stderr, "qemu_init_main_loop failed\n");
3230 exit(1);
3231 }
3232 linux_boot = (kernel_filename != NULL);
3233
3234 if (!linux_boot && *kernel_cmdline != '\0') {
3235 fprintf(stderr, "-append only allowed with -kernel option\n");
3236 exit(1);
3237 }
3238
3239 if (!linux_boot && initrd_filename != NULL) {
3240 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3241 exit(1);
3242 }
3243
3244 os_set_line_buffering();
3245
3246 if (init_timer_alarm() < 0) {
3247 fprintf(stderr, "could not initialize alarm timer\n");
3248 exit(1);
3249 }
3250
3251 if (icount_option && (kvm_enabled() || xen_enabled())) {
3252 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3253 exit(1);
3254 }
3255 configure_icount(icount_option);
3256
3257 if (net_init_clients() < 0) {
3258 exit(1);
3259 }
3260
3261 /* init the bluetooth world */
3262 if (foreach_device_config(DEV_BT, bt_parse))
3263 exit(1);
3264
3265 if (!xen_enabled()) {
3266 /* On 32-bit hosts, QEMU is limited by virtual address space */
3267 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3268 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3269 exit(1);
3270 }
3271 }
3272
3273 cpu_exec_init_all();
3274
3275 bdrv_init_with_whitelist();
3276
3277 blk_mig_init();
3278
3279 /* open the virtual block devices */
3280 if (snapshot)
3281 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3282 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3283 exit(1);
3284
3285 default_drive(default_cdrom, snapshot, machine->use_scsi,
3286 IF_DEFAULT, 2, CDROM_OPTS);
3287 default_drive(default_floppy, snapshot, machine->use_scsi,
3288 IF_FLOPPY, 0, FD_OPTS);
3289 default_drive(default_sdcard, snapshot, machine->use_scsi,
3290 IF_SD, 0, SD_OPTS);
3291
3292 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3293 ram_load, NULL);
3294
3295 if (nb_numa_nodes > 0) {
3296 int i;
3297
3298 if (nb_numa_nodes > MAX_NODES) {
3299 nb_numa_nodes = MAX_NODES;
3300 }
3301
3302 /* If no memory size if given for any node, assume the default case
3303 * and distribute the available memory equally across all nodes
3304 */
3305 for (i = 0; i < nb_numa_nodes; i++) {
3306 if (node_mem[i] != 0)
3307 break;
3308 }
3309 if (i == nb_numa_nodes) {
3310 uint64_t usedmem = 0;
3311
3312 /* On Linux, the each node's border has to be 8MB aligned,
3313 * the final node gets the rest.
3314 */
3315 for (i = 0; i < nb_numa_nodes - 1; i++) {
3316 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3317 usedmem += node_mem[i];
3318 }
3319 node_mem[i] = ram_size - usedmem;
3320 }
3321
3322 for (i = 0; i < nb_numa_nodes; i++) {
3323 if (node_cpumask[i] != 0)
3324 break;
3325 }
3326 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3327 * must cope with this anyway, because there are BIOSes out there in
3328 * real machines which also use this scheme.
3329 */
3330 if (i == nb_numa_nodes) {
3331 for (i = 0; i < max_cpus; i++) {
3332 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3333 }
3334 }
3335 }
3336
3337 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3338 exit(1);
3339 }
3340
3341 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3342 exit(1);
3343 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3344 exit(1);
3345 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3346 exit(1);
3347 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3348 exit(1);
3349
3350 module_call_init(MODULE_INIT_DEVICE);
3351
3352 /* must be after qdev registration but before machine init */
3353 if (vga_model) {
3354 select_vgahw(vga_model);
3355 } else if (cirrus_vga_available()) {
3356 select_vgahw("cirrus");
3357 } else {
3358 select_vgahw("none");
3359 }
3360
3361 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3362 exit(0);
3363
3364 if (watchdog) {
3365 i = select_watchdog(watchdog);
3366 if (i > 0)
3367 exit (i == 1 ? 1 : 0);
3368 }
3369
3370 if (machine->compat_props) {
3371 qdev_prop_register_global_list(machine->compat_props);
3372 }
3373 qemu_add_globals();
3374
3375 qdev_machine_init();
3376
3377 machine->init(ram_size, boot_devices,
3378 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3379
3380 cpu_synchronize_all_post_init();
3381
3382 set_numa_modes();
3383
3384 current_machine = machine;
3385
3386 /* init USB devices */
3387 if (usb_enabled) {
3388 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3389 exit(1);
3390 }
3391
3392 /* init generic devices */
3393 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3394 exit(1);
3395
3396 net_check_clients();
3397
3398 /* just use the first displaystate for the moment */
3399 ds = get_displaystate();
3400
3401 if (using_spice)
3402 display_remote++;
3403 if (display_type == DT_DEFAULT && !display_remote) {
3404 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3405 display_type = DT_SDL;
3406 #elif defined(CONFIG_VNC)
3407 vnc_display = "localhost:0,to=99";
3408 show_vnc_port = 1;
3409 #else
3410 display_type = DT_NONE;
3411 #endif
3412 }
3413
3414
3415 /* init local displays */
3416 switch (display_type) {
3417 case DT_NOGRAPHIC:
3418 break;
3419 #if defined(CONFIG_CURSES)
3420 case DT_CURSES:
3421 curses_display_init(ds, full_screen);
3422 break;
3423 #endif
3424 #if defined(CONFIG_SDL)
3425 case DT_SDL:
3426 sdl_display_init(ds, full_screen, no_frame);
3427 break;
3428 #elif defined(CONFIG_COCOA)
3429 case DT_SDL:
3430 cocoa_display_init(ds, full_screen);
3431 break;
3432 #endif
3433 default:
3434 break;
3435 }
3436
3437 /* must be after terminal init, SDL library changes signal handlers */
3438 os_setup_signal_handling();
3439
3440 #ifdef CONFIG_VNC
3441 /* init remote displays */
3442 if (vnc_display) {
3443 vnc_display_init(ds);
3444 if (vnc_display_open(ds, vnc_display) < 0)
3445 exit(1);
3446
3447 if (show_vnc_port) {
3448 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3449 }
3450 }
3451 #endif
3452 #ifdef CONFIG_SPICE
3453 if (using_spice && !qxl_enabled) {
3454 qemu_spice_display_init(ds);
3455 }
3456 #endif
3457
3458 /* display setup */
3459 dpy_resize(ds);
3460 dcl = ds->listeners;
3461 while (dcl != NULL) {
3462 if (dcl->dpy_refresh != NULL) {
3463 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3464 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3465 break;
3466 }
3467 dcl = dcl->next;
3468 }
3469 text_consoles_set_display(ds);
3470
3471 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3472 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3473 gdbstub_dev);
3474 exit(1);
3475 }
3476
3477 qdev_machine_creation_done();
3478
3479 if (rom_load_all() != 0) {
3480 fprintf(stderr, "rom loading failed\n");
3481 exit(1);
3482 }
3483
3484 /* TODO: once all bus devices are qdevified, this should be done
3485 * when bus is created by qdev.c */
3486 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3487 qemu_run_machine_init_done_notifiers();
3488
3489 qemu_system_reset(VMRESET_SILENT);
3490 if (loadvm) {
3491 if (load_vmstate(loadvm) < 0) {
3492 autostart = 0;
3493 }
3494 }
3495
3496 if (incoming) {
3497 runstate_set(RUN_STATE_INMIGRATE);
3498 int ret = qemu_start_incoming_migration(incoming);
3499 if (ret < 0) {
3500 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3501 incoming, ret);
3502 exit(ret);
3503 }
3504 } else if (autostart) {
3505 vm_start();
3506 }
3507
3508 os_setup_post();
3509
3510 resume_all_vcpus();
3511 main_loop();
3512 bdrv_close_all();
3513 pause_all_vcpus();
3514 net_cleanup();
3515 res_free();
3516
3517 return 0;
3518 }
QEMU modified to work with kvm