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vmdk: Fix possible segfaults
[qemu.git] / vl.c
blob1ddb17bfd950f34164629437b5d7a94b0809a982
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 "qemu-option.h"
147 #include "qemu-config.h"
148 #include "qemu-objects.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 uint8_t irq0override = 1;
222 const char *watchdog;
223 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
224 int nb_option_roms;
225 int semihosting_enabled = 0;
226 int old_param = 0;
227 const char *qemu_name;
228 int alt_grab = 0;
229 int ctrl_grab = 0;
230 unsigned int nb_prom_envs = 0;
231 const char *prom_envs[MAX_PROM_ENVS];
232 int boot_menu;
233 uint8_t *boot_splash_filedata;
234 int boot_splash_filedata_size;
235 uint8_t qemu_extra_params_fw[2];
236
237 typedef struct FWBootEntry FWBootEntry;
238
239 struct FWBootEntry {
240 QTAILQ_ENTRY(FWBootEntry) link;
241 int32_t bootindex;
242 DeviceState *dev;
243 char *suffix;
244 };
245
246 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
247
248 int nb_numa_nodes;
249 uint64_t node_mem[MAX_NODES];
250 uint64_t node_cpumask[MAX_NODES];
251
252 uint8_t qemu_uuid[16];
253
254 static QEMUBootSetHandler *boot_set_handler;
255 static void *boot_set_opaque;
256
257 static NotifierList exit_notifiers =
258 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
259
260 static NotifierList machine_init_done_notifiers =
261 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
262
263 static int tcg_allowed = 1;
264 int kvm_allowed = 0;
265 int xen_allowed = 0;
266 uint32_t xen_domid;
267 enum xen_mode xen_mode = XEN_EMULATE;
268 static int tcg_tb_size;
269
270 static int default_serial = 1;
271 static int default_parallel = 1;
272 static int default_virtcon = 1;
273 static int default_monitor = 1;
274 static int default_vga = 1;
275 static int default_floppy = 1;
276 static int default_cdrom = 1;
277 static int default_sdcard = 1;
278
279 static struct {
280 const char *driver;
281 int *flag;
282 } default_list[] = {
283 { .driver = "isa-serial", .flag = &default_serial },
284 { .driver = "isa-parallel", .flag = &default_parallel },
285 { .driver = "isa-fdc", .flag = &default_floppy },
286 { .driver = "ide-cd", .flag = &default_cdrom },
287 { .driver = "ide-hd", .flag = &default_cdrom },
288 { .driver = "ide-drive", .flag = &default_cdrom },
289 { .driver = "scsi-cd", .flag = &default_cdrom },
290 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
291 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
292 { .driver = "virtio-serial", .flag = &default_virtcon },
293 { .driver = "VGA", .flag = &default_vga },
294 { .driver = "cirrus-vga", .flag = &default_vga },
295 { .driver = "vmware-svga", .flag = &default_vga },
296 { .driver = "isa-vga", .flag = &default_vga },
297 { .driver = "qxl-vga", .flag = &default_vga },
298 };
299
300 static void res_free(void)
301 {
302 if (boot_splash_filedata != NULL) {
303 g_free(boot_splash_filedata);
304 boot_splash_filedata = NULL;
305 }
306 }
307
308 static int default_driver_check(QemuOpts *opts, void *opaque)
309 {
310 const char *driver = qemu_opt_get(opts, "driver");
311 int i;
312
313 if (!driver)
314 return 0;
315 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
316 if (strcmp(default_list[i].driver, driver) != 0)
317 continue;
318 *(default_list[i].flag) = 0;
319 }
320 return 0;
321 }
322
323 /***********************************************************/
324 /* QEMU state */
325
326 static RunState current_run_state = RUN_STATE_PRELAUNCH;
327
328 typedef struct {
329 RunState from;
330 RunState to;
331 } RunStateTransition;
332
333 static const RunStateTransition runstate_transitions_def[] = {
334 /* from -> to */
335 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
336
337 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
338 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
339
340 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
341 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
342
343 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
344 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
345
346 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
347 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
348
349 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
350 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
351
352 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
353 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
354 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
355
356 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
357 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
358
359 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
360
361 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
362 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
363 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
364 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
365 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
366 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
367 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
368 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
369 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
370
371 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
372
373 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
374 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
375
376 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
377 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
378
379 { RUN_STATE_MAX, RUN_STATE_MAX },
380 };
381
382 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
383
384 bool runstate_check(RunState state)
385 {
386 return current_run_state == state;
387 }
388
389 void runstate_init(void)
390 {
391 const RunStateTransition *p;
392
393 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
394
395 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
396 runstate_valid_transitions[p->from][p->to] = true;
397 }
398 }
399
400 /* This function will abort() on invalid state transitions */
401 void runstate_set(RunState new_state)
402 {
403 assert(new_state < RUN_STATE_MAX);
404
405 if (!runstate_valid_transitions[current_run_state][new_state]) {
406 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
407 RunState_lookup[current_run_state],
408 RunState_lookup[new_state]);
409 abort();
410 }
411
412 current_run_state = new_state;
413 }
414
415 int runstate_is_running(void)
416 {
417 return runstate_check(RUN_STATE_RUNNING);
418 }
419
420 StatusInfo *qmp_query_status(Error **errp)
421 {
422 StatusInfo *info = g_malloc0(sizeof(*info));
423
424 info->running = runstate_is_running();
425 info->singlestep = singlestep;
426 info->status = current_run_state;
427
428 return info;
429 }
430
431 /***********************************************************/
432 /* real time host monotonic timer */
433
434 /***********************************************************/
435 /* host time/date access */
436 void qemu_get_timedate(struct tm *tm, int offset)
437 {
438 time_t ti;
439 struct tm *ret;
440
441 time(&ti);
442 ti += offset;
443 if (rtc_date_offset == -1) {
444 if (rtc_utc)
445 ret = gmtime(&ti);
446 else
447 ret = localtime(&ti);
448 } else {
449 ti -= rtc_date_offset;
450 ret = gmtime(&ti);
451 }
452
453 memcpy(tm, ret, sizeof(struct tm));
454 }
455
456 int qemu_timedate_diff(struct tm *tm)
457 {
458 time_t seconds;
459
460 if (rtc_date_offset == -1)
461 if (rtc_utc)
462 seconds = mktimegm(tm);
463 else
464 seconds = mktime(tm);
465 else
466 seconds = mktimegm(tm) + rtc_date_offset;
467
468 return seconds - time(NULL);
469 }
470
471 void rtc_change_mon_event(struct tm *tm)
472 {
473 QObject *data;
474
475 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
476 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
477 qobject_decref(data);
478 }
479
480 static void configure_rtc_date_offset(const char *startdate, int legacy)
481 {
482 time_t rtc_start_date;
483 struct tm tm;
484
485 if (!strcmp(startdate, "now") && legacy) {
486 rtc_date_offset = -1;
487 } else {
488 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
489 &tm.tm_year,
490 &tm.tm_mon,
491 &tm.tm_mday,
492 &tm.tm_hour,
493 &tm.tm_min,
494 &tm.tm_sec) == 6) {
495 /* OK */
496 } else if (sscanf(startdate, "%d-%d-%d",
497 &tm.tm_year,
498 &tm.tm_mon,
499 &tm.tm_mday) == 3) {
500 tm.tm_hour = 0;
501 tm.tm_min = 0;
502 tm.tm_sec = 0;
503 } else {
504 goto date_fail;
505 }
506 tm.tm_year -= 1900;
507 tm.tm_mon--;
508 rtc_start_date = mktimegm(&tm);
509 if (rtc_start_date == -1) {
510 date_fail:
511 fprintf(stderr, "Invalid date format. Valid formats are:\n"
512 "'2006-06-17T16:01:21' or '2006-06-17'\n");
513 exit(1);
514 }
515 rtc_date_offset = time(NULL) - rtc_start_date;
516 }
517 }
518
519 static void configure_rtc(QemuOpts *opts)
520 {
521 const char *value;
522
523 value = qemu_opt_get(opts, "base");
524 if (value) {
525 if (!strcmp(value, "utc")) {
526 rtc_utc = 1;
527 } else if (!strcmp(value, "localtime")) {
528 rtc_utc = 0;
529 } else {
530 configure_rtc_date_offset(value, 0);
531 }
532 }
533 value = qemu_opt_get(opts, "clock");
534 if (value) {
535 if (!strcmp(value, "host")) {
536 rtc_clock = host_clock;
537 } else if (!strcmp(value, "vm")) {
538 rtc_clock = vm_clock;
539 } else {
540 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
541 exit(1);
542 }
543 }
544 value = qemu_opt_get(opts, "driftfix");
545 if (value) {
546 if (!strcmp(value, "slew")) {
547 rtc_td_hack = 1;
548 } else if (!strcmp(value, "none")) {
549 rtc_td_hack = 0;
550 } else {
551 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
552 exit(1);
553 }
554 }
555 }
556
557 /***********************************************************/
558 /* Bluetooth support */
559 static int nb_hcis;
560 static int cur_hci;
561 static struct HCIInfo *hci_table[MAX_NICS];
562
563 static struct bt_vlan_s {
564 struct bt_scatternet_s net;
565 int id;
566 struct bt_vlan_s *next;
567 } *first_bt_vlan;
568
569 /* find or alloc a new bluetooth "VLAN" */
570 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
571 {
572 struct bt_vlan_s **pvlan, *vlan;
573 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
574 if (vlan->id == id)
575 return &vlan->net;
576 }
577 vlan = g_malloc0(sizeof(struct bt_vlan_s));
578 vlan->id = id;
579 pvlan = &first_bt_vlan;
580 while (*pvlan != NULL)
581 pvlan = &(*pvlan)->next;
582 *pvlan = vlan;
583 return &vlan->net;
584 }
585
586 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
587 {
588 }
589
590 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
591 {
592 return -ENOTSUP;
593 }
594
595 static struct HCIInfo null_hci = {
596 .cmd_send = null_hci_send,
597 .sco_send = null_hci_send,
598 .acl_send = null_hci_send,
599 .bdaddr_set = null_hci_addr_set,
600 };
601
602 struct HCIInfo *qemu_next_hci(void)
603 {
604 if (cur_hci == nb_hcis)
605 return &null_hci;
606
607 return hci_table[cur_hci++];
608 }
609
610 static struct HCIInfo *hci_init(const char *str)
611 {
612 char *endp;
613 struct bt_scatternet_s *vlan = 0;
614
615 if (!strcmp(str, "null"))
616 /* null */
617 return &null_hci;
618 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
619 /* host[:hciN] */
620 return bt_host_hci(str[4] ? str + 5 : "hci0");
621 else if (!strncmp(str, "hci", 3)) {
622 /* hci[,vlan=n] */
623 if (str[3]) {
624 if (!strncmp(str + 3, ",vlan=", 6)) {
625 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
626 if (*endp)
627 vlan = 0;
628 }
629 } else
630 vlan = qemu_find_bt_vlan(0);
631 if (vlan)
632 return bt_new_hci(vlan);
633 }
634
635 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
636
637 return 0;
638 }
639
640 static int bt_hci_parse(const char *str)
641 {
642 struct HCIInfo *hci;
643 bdaddr_t bdaddr;
644
645 if (nb_hcis >= MAX_NICS) {
646 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
647 return -1;
648 }
649
650 hci = hci_init(str);
651 if (!hci)
652 return -1;
653
654 bdaddr.b[0] = 0x52;
655 bdaddr.b[1] = 0x54;
656 bdaddr.b[2] = 0x00;
657 bdaddr.b[3] = 0x12;
658 bdaddr.b[4] = 0x34;
659 bdaddr.b[5] = 0x56 + nb_hcis;
660 hci->bdaddr_set(hci, bdaddr.b);
661
662 hci_table[nb_hcis++] = hci;
663
664 return 0;
665 }
666
667 static void bt_vhci_add(int vlan_id)
668 {
669 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
670
671 if (!vlan->slave)
672 fprintf(stderr, "qemu: warning: adding a VHCI to "
673 "an empty scatternet %i\n", vlan_id);
674
675 bt_vhci_init(bt_new_hci(vlan));
676 }
677
678 static struct bt_device_s *bt_device_add(const char *opt)
679 {
680 struct bt_scatternet_s *vlan;
681 int vlan_id = 0;
682 char *endp = strstr(opt, ",vlan=");
683 int len = (endp ? endp - opt : strlen(opt)) + 1;
684 char devname[10];
685
686 pstrcpy(devname, MIN(sizeof(devname), len), opt);
687
688 if (endp) {
689 vlan_id = strtol(endp + 6, &endp, 0);
690 if (*endp) {
691 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
692 return 0;
693 }
694 }
695
696 vlan = qemu_find_bt_vlan(vlan_id);
697
698 if (!vlan->slave)
699 fprintf(stderr, "qemu: warning: adding a slave device to "
700 "an empty scatternet %i\n", vlan_id);
701
702 if (!strcmp(devname, "keyboard"))
703 return bt_keyboard_init(vlan);
704
705 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
706 return 0;
707 }
708
709 static int bt_parse(const char *opt)
710 {
711 const char *endp, *p;
712 int vlan;
713
714 if (strstart(opt, "hci", &endp)) {
715 if (!*endp || *endp == ',') {
716 if (*endp)
717 if (!strstart(endp, ",vlan=", 0))
718 opt = endp + 1;
719
720 return bt_hci_parse(opt);
721 }
722 } else if (strstart(opt, "vhci", &endp)) {
723 if (!*endp || *endp == ',') {
724 if (*endp) {
725 if (strstart(endp, ",vlan=", &p)) {
726 vlan = strtol(p, (char **) &endp, 0);
727 if (*endp) {
728 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
729 return 1;
730 }
731 } else {
732 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
733 return 1;
734 }
735 } else
736 vlan = 0;
737
738 bt_vhci_add(vlan);
739 return 0;
740 }
741 } else if (strstart(opt, "device:", &endp))
742 return !bt_device_add(endp);
743
744 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
745 return 1;
746 }
747
748 /***********************************************************/
749 /* QEMU Block devices */
750
751 #define HD_OPTS "media=disk"
752 #define CDROM_OPTS "media=cdrom"
753 #define FD_OPTS ""
754 #define PFLASH_OPTS ""
755 #define MTD_OPTS ""
756 #define SD_OPTS ""
757
758 static int drive_init_func(QemuOpts *opts, void *opaque)
759 {
760 int *use_scsi = opaque;
761
762 return drive_init(opts, *use_scsi) == NULL;
763 }
764
765 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
766 {
767 if (NULL == qemu_opt_get(opts, "snapshot")) {
768 qemu_opt_set(opts, "snapshot", "on");
769 }
770 return 0;
771 }
772
773 static void default_drive(int enable, int snapshot, int use_scsi,
774 BlockInterfaceType type, int index,
775 const char *optstr)
776 {
777 QemuOpts *opts;
778
779 if (type == IF_DEFAULT) {
780 type = use_scsi ? IF_SCSI : IF_IDE;
781 }
782
783 if (!enable || drive_get_by_index(type, index)) {
784 return;
785 }
786
787 opts = drive_add(type, index, NULL, optstr);
788 if (snapshot) {
789 drive_enable_snapshot(opts, NULL);
790 }
791 if (!drive_init(opts, use_scsi)) {
792 exit(1);
793 }
794 }
795
796 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
797 {
798 boot_set_handler = func;
799 boot_set_opaque = opaque;
800 }
801
802 int qemu_boot_set(const char *boot_devices)
803 {
804 if (!boot_set_handler) {
805 return -EINVAL;
806 }
807 return boot_set_handler(boot_set_opaque, boot_devices);
808 }
809
810 static void validate_bootdevices(char *devices)
811 {
812 /* We just do some generic consistency checks */
813 const char *p;
814 int bitmap = 0;
815
816 for (p = devices; *p != '\0'; p++) {
817 /* Allowed boot devices are:
818 * a-b: floppy disk drives
819 * c-f: IDE disk drives
820 * g-m: machine implementation dependant drives
821 * n-p: network devices
822 * It's up to each machine implementation to check if the given boot
823 * devices match the actual hardware implementation and firmware
824 * features.
825 */
826 if (*p < 'a' || *p > 'p') {
827 fprintf(stderr, "Invalid boot device '%c'\n", *p);
828 exit(1);
829 }
830 if (bitmap & (1 << (*p - 'a'))) {
831 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
832 exit(1);
833 }
834 bitmap |= 1 << (*p - 'a');
835 }
836 }
837
838 static void restore_boot_devices(void *opaque)
839 {
840 char *standard_boot_devices = opaque;
841 static int first = 1;
842
843 /* Restore boot order and remove ourselves after the first boot */
844 if (first) {
845 first = 0;
846 return;
847 }
848
849 qemu_boot_set(standard_boot_devices);
850
851 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
852 g_free(standard_boot_devices);
853 }
854
855 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
856 const char *suffix)
857 {
858 FWBootEntry *node, *i;
859
860 if (bootindex < 0) {
861 return;
862 }
863
864 assert(dev != NULL || suffix != NULL);
865
866 node = g_malloc0(sizeof(FWBootEntry));
867 node->bootindex = bootindex;
868 node->suffix = suffix ? g_strdup(suffix) : NULL;
869 node->dev = dev;
870
871 QTAILQ_FOREACH(i, &fw_boot_order, link) {
872 if (i->bootindex == bootindex) {
873 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
874 exit(1);
875 } else if (i->bootindex < bootindex) {
876 continue;
877 }
878 QTAILQ_INSERT_BEFORE(i, node, link);
879 return;
880 }
881 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
882 }
883
884 /*
885 * This function returns null terminated string that consist of new line
886 * separated device paths.
887 *
888 * memory pointed by "size" is assigned total length of the array in bytes
889 *
890 */
891 char *get_boot_devices_list(uint32_t *size)
892 {
893 FWBootEntry *i;
894 uint32_t total = 0;
895 char *list = NULL;
896
897 QTAILQ_FOREACH(i, &fw_boot_order, link) {
898 char *devpath = NULL, *bootpath;
899 int len;
900
901 if (i->dev) {
902 devpath = qdev_get_fw_dev_path(i->dev);
903 assert(devpath);
904 }
905
906 if (i->suffix && devpath) {
907 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
908
909 bootpath = g_malloc(bootpathlen);
910 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
911 g_free(devpath);
912 } else if (devpath) {
913 bootpath = devpath;
914 } else {
915 bootpath = g_strdup(i->suffix);
916 assert(bootpath);
917 }
918
919 if (total) {
920 list[total-1] = '\n';
921 }
922 len = strlen(bootpath) + 1;
923 list = g_realloc(list, total + len);
924 memcpy(&list[total], bootpath, len);
925 total += len;
926 g_free(bootpath);
927 }
928
929 *size = total;
930
931 return list;
932 }
933
934 static void numa_add(const char *optarg)
935 {
936 char option[128];
937 char *endptr;
938 unsigned long long value, endvalue;
939 int nodenr;
940
941 optarg = get_opt_name(option, 128, optarg, ',') + 1;
942 if (!strcmp(option, "node")) {
943 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
944 nodenr = nb_numa_nodes;
945 } else {
946 nodenr = strtoull(option, NULL, 10);
947 }
948
949 if (get_param_value(option, 128, "mem", optarg) == 0) {
950 node_mem[nodenr] = 0;
951 } else {
952 int64_t sval;
953 sval = strtosz(option, NULL);
954 if (sval < 0) {
955 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
956 exit(1);
957 }
958 node_mem[nodenr] = sval;
959 }
960 if (get_param_value(option, 128, "cpus", optarg) == 0) {
961 node_cpumask[nodenr] = 0;
962 } else {
963 value = strtoull(option, &endptr, 10);
964 if (value >= 64) {
965 value = 63;
966 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
967 } else {
968 if (*endptr == '-') {
969 endvalue = strtoull(endptr+1, &endptr, 10);
970 if (endvalue >= 63) {
971 endvalue = 62;
972 fprintf(stderr,
973 "only 63 CPUs in NUMA mode supported.\n");
974 }
975 value = (2ULL << endvalue) - (1ULL << value);
976 } else {
977 value = 1ULL << value;
978 }
979 }
980 node_cpumask[nodenr] = value;
981 }
982 nb_numa_nodes++;
983 }
984 return;
985 }
986
987 static void smp_parse(const char *optarg)
988 {
989 int smp, sockets = 0, threads = 0, cores = 0;
990 char *endptr;
991 char option[128];
992
993 smp = strtoul(optarg, &endptr, 10);
994 if (endptr != optarg) {
995 if (*endptr == ',') {
996 endptr++;
997 }
998 }
999 if (get_param_value(option, 128, "sockets", endptr) != 0)
1000 sockets = strtoull(option, NULL, 10);
1001 if (get_param_value(option, 128, "cores", endptr) != 0)
1002 cores = strtoull(option, NULL, 10);
1003 if (get_param_value(option, 128, "threads", endptr) != 0)
1004 threads = strtoull(option, NULL, 10);
1005 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1006 max_cpus = strtoull(option, NULL, 10);
1007
1008 /* compute missing values, prefer sockets over cores over threads */
1009 if (smp == 0 || sockets == 0) {
1010 sockets = sockets > 0 ? sockets : 1;
1011 cores = cores > 0 ? cores : 1;
1012 threads = threads > 0 ? threads : 1;
1013 if (smp == 0) {
1014 smp = cores * threads * sockets;
1015 }
1016 } else {
1017 if (cores == 0) {
1018 threads = threads > 0 ? threads : 1;
1019 cores = smp / (sockets * threads);
1020 } else {
1021 threads = smp / (cores * sockets);
1022 }
1023 }
1024 smp_cpus = smp;
1025 smp_cores = cores > 0 ? cores : 1;
1026 smp_threads = threads > 0 ? threads : 1;
1027 if (max_cpus == 0)
1028 max_cpus = smp_cpus;
1029 }
1030
1031 /***********************************************************/
1032 /* USB devices */
1033
1034 static int usb_device_add(const char *devname)
1035 {
1036 const char *p;
1037 USBDevice *dev = NULL;
1038
1039 if (!usb_enabled)
1040 return -1;
1041
1042 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1043 dev = usbdevice_create(devname);
1044 if (dev)
1045 goto done;
1046
1047 /* the other ones */
1048 #ifndef CONFIG_LINUX
1049 /* only the linux version is qdev-ified, usb-bsd still needs this */
1050 if (strstart(devname, "host:", &p)) {
1051 dev = usb_host_device_open(p);
1052 } else
1053 #endif
1054 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1055 dev = usb_bt_init(devname[2] ? hci_init(p) :
1056 bt_new_hci(qemu_find_bt_vlan(0)));
1057 } else {
1058 return -1;
1059 }
1060 if (!dev)
1061 return -1;
1062
1063 done:
1064 return 0;
1065 }
1066
1067 static int usb_device_del(const char *devname)
1068 {
1069 int bus_num, addr;
1070 const char *p;
1071
1072 if (strstart(devname, "host:", &p))
1073 return usb_host_device_close(p);
1074
1075 if (!usb_enabled)
1076 return -1;
1077
1078 p = strchr(devname, '.');
1079 if (!p)
1080 return -1;
1081 bus_num = strtoul(devname, NULL, 0);
1082 addr = strtoul(p + 1, NULL, 0);
1083
1084 return usb_device_delete_addr(bus_num, addr);
1085 }
1086
1087 static int usb_parse(const char *cmdline)
1088 {
1089 int r;
1090 r = usb_device_add(cmdline);
1091 if (r < 0) {
1092 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1093 }
1094 return r;
1095 }
1096
1097 void do_usb_add(Monitor *mon, const QDict *qdict)
1098 {
1099 const char *devname = qdict_get_str(qdict, "devname");
1100 if (usb_device_add(devname) < 0) {
1101 error_report("could not add USB device '%s'", devname);
1102 }
1103 }
1104
1105 void do_usb_del(Monitor *mon, const QDict *qdict)
1106 {
1107 const char *devname = qdict_get_str(qdict, "devname");
1108 if (usb_device_del(devname) < 0) {
1109 error_report("could not delete USB device '%s'", devname);
1110 }
1111 }
1112
1113 /***********************************************************/
1114 /* PCMCIA/Cardbus */
1115
1116 static struct pcmcia_socket_entry_s {
1117 PCMCIASocket *socket;
1118 struct pcmcia_socket_entry_s *next;
1119 } *pcmcia_sockets = 0;
1120
1121 void pcmcia_socket_register(PCMCIASocket *socket)
1122 {
1123 struct pcmcia_socket_entry_s *entry;
1124
1125 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1126 entry->socket = socket;
1127 entry->next = pcmcia_sockets;
1128 pcmcia_sockets = entry;
1129 }
1130
1131 void pcmcia_socket_unregister(PCMCIASocket *socket)
1132 {
1133 struct pcmcia_socket_entry_s *entry, **ptr;
1134
1135 ptr = &pcmcia_sockets;
1136 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1137 if (entry->socket == socket) {
1138 *ptr = entry->next;
1139 g_free(entry);
1140 }
1141 }
1142
1143 void pcmcia_info(Monitor *mon)
1144 {
1145 struct pcmcia_socket_entry_s *iter;
1146
1147 if (!pcmcia_sockets)
1148 monitor_printf(mon, "No PCMCIA sockets\n");
1149
1150 for (iter = pcmcia_sockets; iter; iter = iter->next)
1151 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1152 iter->socket->attached ? iter->socket->card_string :
1153 "Empty");
1154 }
1155
1156 /***********************************************************/
1157 /* machine registration */
1158
1159 static QEMUMachine *first_machine = NULL;
1160 QEMUMachine *current_machine = NULL;
1161
1162 int qemu_register_machine(QEMUMachine *m)
1163 {
1164 QEMUMachine **pm;
1165 pm = &first_machine;
1166 while (*pm != NULL)
1167 pm = &(*pm)->next;
1168 m->next = NULL;
1169 *pm = m;
1170 return 0;
1171 }
1172
1173 static QEMUMachine *find_machine(const char *name)
1174 {
1175 QEMUMachine *m;
1176
1177 for(m = first_machine; m != NULL; m = m->next) {
1178 if (!strcmp(m->name, name))
1179 return m;
1180 if (m->alias && !strcmp(m->alias, name))
1181 return m;
1182 }
1183 return NULL;
1184 }
1185
1186 static QEMUMachine *find_default_machine(void)
1187 {
1188 QEMUMachine *m;
1189
1190 for(m = first_machine; m != NULL; m = m->next) {
1191 if (m->is_default) {
1192 return m;
1193 }
1194 }
1195 return NULL;
1196 }
1197
1198 /***********************************************************/
1199 /* main execution loop */
1200
1201 static void gui_update(void *opaque)
1202 {
1203 uint64_t interval = GUI_REFRESH_INTERVAL;
1204 DisplayState *ds = opaque;
1205 DisplayChangeListener *dcl = ds->listeners;
1206
1207 dpy_refresh(ds);
1208
1209 while (dcl != NULL) {
1210 if (dcl->gui_timer_interval &&
1211 dcl->gui_timer_interval < interval)
1212 interval = dcl->gui_timer_interval;
1213 dcl = dcl->next;
1214 }
1215 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1216 }
1217
1218 struct vm_change_state_entry {
1219 VMChangeStateHandler *cb;
1220 void *opaque;
1221 QLIST_ENTRY (vm_change_state_entry) entries;
1222 };
1223
1224 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1225
1226 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1227 void *opaque)
1228 {
1229 VMChangeStateEntry *e;
1230
1231 e = g_malloc0(sizeof (*e));
1232
1233 e->cb = cb;
1234 e->opaque = opaque;
1235 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1236 return e;
1237 }
1238
1239 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1240 {
1241 QLIST_REMOVE (e, entries);
1242 g_free (e);
1243 }
1244
1245 void vm_state_notify(int running, RunState state)
1246 {
1247 VMChangeStateEntry *e;
1248
1249 trace_vm_state_notify(running, state);
1250
1251 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1252 e->cb(e->opaque, running, state);
1253 }
1254 }
1255
1256 void vm_start(void)
1257 {
1258 if (!runstate_is_running()) {
1259 cpu_enable_ticks();
1260 runstate_set(RUN_STATE_RUNNING);
1261 vm_state_notify(1, RUN_STATE_RUNNING);
1262 resume_all_vcpus();
1263 monitor_protocol_event(QEVENT_RESUME, NULL);
1264 }
1265 }
1266
1267 /* reset/shutdown handler */
1268
1269 typedef struct QEMUResetEntry {
1270 QTAILQ_ENTRY(QEMUResetEntry) entry;
1271 QEMUResetHandler *func;
1272 void *opaque;
1273 } QEMUResetEntry;
1274
1275 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1276 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1277 static int reset_requested;
1278 static int shutdown_requested, shutdown_signal = -1;
1279 static pid_t shutdown_pid;
1280 static int powerdown_requested;
1281 static int debug_requested;
1282 static RunState vmstop_requested = RUN_STATE_MAX;
1283
1284 int qemu_shutdown_requested_get(void)
1285 {
1286 return shutdown_requested;
1287 }
1288
1289 int qemu_reset_requested_get(void)
1290 {
1291 return reset_requested;
1292 }
1293
1294 int qemu_shutdown_requested(void)
1295 {
1296 int r = shutdown_requested;
1297 shutdown_requested = 0;
1298 return r;
1299 }
1300
1301 void qemu_kill_report(void)
1302 {
1303 if (shutdown_signal != -1) {
1304 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1305 if (shutdown_pid == 0) {
1306 /* This happens for eg ^C at the terminal, so it's worth
1307 * avoiding printing an odd message in that case.
1308 */
1309 fputc('\n', stderr);
1310 } else {
1311 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1312 }
1313 shutdown_signal = -1;
1314 }
1315 }
1316
1317 int qemu_reset_requested(void)
1318 {
1319 int r = reset_requested;
1320 reset_requested = 0;
1321 return r;
1322 }
1323
1324 int qemu_powerdown_requested(void)
1325 {
1326 int r = powerdown_requested;
1327 powerdown_requested = 0;
1328 return r;
1329 }
1330
1331 static int qemu_debug_requested(void)
1332 {
1333 int r = debug_requested;
1334 debug_requested = 0;
1335 return r;
1336 }
1337
1338 /* We use RUN_STATE_MAX but any invalid value will do */
1339 static bool qemu_vmstop_requested(RunState *r)
1340 {
1341 if (vmstop_requested < RUN_STATE_MAX) {
1342 *r = vmstop_requested;
1343 vmstop_requested = RUN_STATE_MAX;
1344 return true;
1345 }
1346
1347 return false;
1348 }
1349
1350 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1351 {
1352 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1353
1354 re->func = func;
1355 re->opaque = opaque;
1356 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1357 }
1358
1359 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1360 {
1361 QEMUResetEntry *re;
1362
1363 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1364 if (re->func == func && re->opaque == opaque) {
1365 QTAILQ_REMOVE(&reset_handlers, re, entry);
1366 g_free(re);
1367 return;
1368 }
1369 }
1370 }
1371
1372 void qemu_system_reset(bool report)
1373 {
1374 QEMUResetEntry *re, *nre;
1375
1376 /* reset all devices */
1377 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1378 re->func(re->opaque);
1379 }
1380 if (report) {
1381 monitor_protocol_event(QEVENT_RESET, NULL);
1382 }
1383 cpu_synchronize_all_post_reset();
1384 }
1385
1386 void qemu_system_reset_request(void)
1387 {
1388 if (no_reboot) {
1389 shutdown_requested = 1;
1390 } else {
1391 reset_requested = 1;
1392 }
1393 cpu_stop_current();
1394 qemu_notify_event();
1395 }
1396
1397 void qemu_system_killed(int signal, pid_t pid)
1398 {
1399 shutdown_signal = signal;
1400 shutdown_pid = pid;
1401 no_shutdown = 0;
1402 qemu_system_shutdown_request();
1403 }
1404
1405 void qemu_system_shutdown_request(void)
1406 {
1407 shutdown_requested = 1;
1408 qemu_notify_event();
1409 }
1410
1411 void qemu_system_powerdown_request(void)
1412 {
1413 powerdown_requested = 1;
1414 qemu_notify_event();
1415 }
1416
1417 void qemu_system_debug_request(void)
1418 {
1419 debug_requested = 1;
1420 qemu_notify_event();
1421 }
1422
1423 void qemu_system_vmstop_request(RunState state)
1424 {
1425 vmstop_requested = state;
1426 qemu_notify_event();
1427 }
1428
1429 qemu_irq qemu_system_powerdown;
1430
1431 static bool main_loop_should_exit(void)
1432 {
1433 RunState r;
1434 if (qemu_debug_requested()) {
1435 vm_stop(RUN_STATE_DEBUG);
1436 }
1437 if (qemu_shutdown_requested()) {
1438 qemu_kill_report();
1439 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1440 if (no_shutdown) {
1441 vm_stop(RUN_STATE_SHUTDOWN);
1442 } else {
1443 return true;
1444 }
1445 }
1446 if (qemu_reset_requested()) {
1447 pause_all_vcpus();
1448 cpu_synchronize_all_states();
1449 qemu_system_reset(VMRESET_REPORT);
1450 resume_all_vcpus();
1451 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1452 runstate_check(RUN_STATE_SHUTDOWN)) {
1453 runstate_set(RUN_STATE_PAUSED);
1454 }
1455 }
1456 if (qemu_powerdown_requested()) {
1457 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1458 qemu_irq_raise(qemu_system_powerdown);
1459 }
1460 if (qemu_vmstop_requested(&r)) {
1461 vm_stop(r);
1462 }
1463 return false;
1464 }
1465
1466 static void main_loop(void)
1467 {
1468 bool nonblocking;
1469 int last_io = 0;
1470 #ifdef CONFIG_PROFILER
1471 int64_t ti;
1472 #endif
1473 do {
1474 nonblocking = !kvm_enabled() && last_io > 0;
1475 #ifdef CONFIG_PROFILER
1476 ti = profile_getclock();
1477 #endif
1478 last_io = main_loop_wait(nonblocking);
1479 #ifdef CONFIG_PROFILER
1480 dev_time += profile_getclock() - ti;
1481 #endif
1482 } while (!main_loop_should_exit());
1483 }
1484
1485 static void version(void)
1486 {
1487 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1488 }
1489
1490 static void help(int exitcode)
1491 {
1492 const char *options_help =
1493 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1494 opt_help
1495 #define DEFHEADING(text) stringify(text) "\n"
1496 #include "qemu-options.def"
1497 #undef DEF
1498 #undef DEFHEADING
1499 #undef GEN_DOCS
1500 ;
1501 version();
1502 printf("usage: %s [options] [disk_image]\n"
1503 "\n"
1504 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1505 "\n"
1506 "%s\n"
1507 "During emulation, the following keys are useful:\n"
1508 "ctrl-alt-f toggle full screen\n"
1509 "ctrl-alt-n switch to virtual console 'n'\n"
1510 "ctrl-alt toggle mouse and keyboard grab\n"
1511 "\n"
1512 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1513 "qemu",
1514 options_help);
1515 exit(exitcode);
1516 }
1517
1518 #define HAS_ARG 0x0001
1519
1520 typedef struct QEMUOption {
1521 const char *name;
1522 int flags;
1523 int index;
1524 uint32_t arch_mask;
1525 } QEMUOption;
1526
1527 static const QEMUOption qemu_options[] = {
1528 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1529 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1530 { option, opt_arg, opt_enum, arch_mask },
1531 #define DEFHEADING(text)
1532 #include "qemu-options.def"
1533 #undef DEF
1534 #undef DEFHEADING
1535 #undef GEN_DOCS
1536 { NULL },
1537 };
1538 static void select_vgahw (const char *p)
1539 {
1540 const char *opts;
1541
1542 default_vga = 0;
1543 vga_interface_type = VGA_NONE;
1544 if (strstart(p, "std", &opts)) {
1545 vga_interface_type = VGA_STD;
1546 } else if (strstart(p, "cirrus", &opts)) {
1547 vga_interface_type = VGA_CIRRUS;
1548 } else if (strstart(p, "vmware", &opts)) {
1549 vga_interface_type = VGA_VMWARE;
1550 } else if (strstart(p, "xenfb", &opts)) {
1551 vga_interface_type = VGA_XENFB;
1552 } else if (strstart(p, "qxl", &opts)) {
1553 vga_interface_type = VGA_QXL;
1554 } else if (!strstart(p, "none", &opts)) {
1555 invalid_vga:
1556 fprintf(stderr, "Unknown vga type: %s\n", p);
1557 exit(1);
1558 }
1559 while (*opts) {
1560 const char *nextopt;
1561
1562 if (strstart(opts, ",retrace=", &nextopt)) {
1563 opts = nextopt;
1564 if (strstart(opts, "dumb", &nextopt))
1565 vga_retrace_method = VGA_RETRACE_DUMB;
1566 else if (strstart(opts, "precise", &nextopt))
1567 vga_retrace_method = VGA_RETRACE_PRECISE;
1568 else goto invalid_vga;
1569 } else goto invalid_vga;
1570 opts = nextopt;
1571 }
1572 }
1573
1574 static DisplayType select_display(const char *p)
1575 {
1576 const char *opts;
1577 DisplayType display = DT_DEFAULT;
1578
1579 if (strstart(p, "sdl", &opts)) {
1580 #ifdef CONFIG_SDL
1581 display = DT_SDL;
1582 while (*opts) {
1583 const char *nextopt;
1584
1585 if (strstart(opts, ",frame=", &nextopt)) {
1586 opts = nextopt;
1587 if (strstart(opts, "on", &nextopt)) {
1588 no_frame = 0;
1589 } else if (strstart(opts, "off", &nextopt)) {
1590 no_frame = 1;
1591 } else {
1592 goto invalid_sdl_args;
1593 }
1594 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1595 opts = nextopt;
1596 if (strstart(opts, "on", &nextopt)) {
1597 alt_grab = 1;
1598 } else if (strstart(opts, "off", &nextopt)) {
1599 alt_grab = 0;
1600 } else {
1601 goto invalid_sdl_args;
1602 }
1603 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1604 opts = nextopt;
1605 if (strstart(opts, "on", &nextopt)) {
1606 ctrl_grab = 1;
1607 } else if (strstart(opts, "off", &nextopt)) {
1608 ctrl_grab = 0;
1609 } else {
1610 goto invalid_sdl_args;
1611 }
1612 } else if (strstart(opts, ",window_close=", &nextopt)) {
1613 opts = nextopt;
1614 if (strstart(opts, "on", &nextopt)) {
1615 no_quit = 0;
1616 } else if (strstart(opts, "off", &nextopt)) {
1617 no_quit = 1;
1618 } else {
1619 goto invalid_sdl_args;
1620 }
1621 } else {
1622 invalid_sdl_args:
1623 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1624 exit(1);
1625 }
1626 opts = nextopt;
1627 }
1628 #else
1629 fprintf(stderr, "SDL support is disabled\n");
1630 exit(1);
1631 #endif
1632 } else if (strstart(p, "vnc", &opts)) {
1633 #ifdef CONFIG_VNC
1634 display_remote++;
1635
1636 if (*opts) {
1637 const char *nextopt;
1638
1639 if (strstart(opts, "=", &nextopt)) {
1640 vnc_display = nextopt;
1641 }
1642 }
1643 if (!vnc_display) {
1644 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1645 exit(1);
1646 }
1647 #else
1648 fprintf(stderr, "VNC support is disabled\n");
1649 exit(1);
1650 #endif
1651 } else if (strstart(p, "curses", &opts)) {
1652 #ifdef CONFIG_CURSES
1653 display = DT_CURSES;
1654 #else
1655 fprintf(stderr, "Curses support is disabled\n");
1656 exit(1);
1657 #endif
1658 } else if (strstart(p, "none", &opts)) {
1659 display = DT_NONE;
1660 } else {
1661 fprintf(stderr, "Unknown display type: %s\n", p);
1662 exit(1);
1663 }
1664
1665 return display;
1666 }
1667
1668 static int balloon_parse(const char *arg)
1669 {
1670 QemuOpts *opts;
1671
1672 if (strcmp(arg, "none") == 0) {
1673 return 0;
1674 }
1675
1676 if (!strncmp(arg, "virtio", 6)) {
1677 if (arg[6] == ',') {
1678 /* have params -> parse them */
1679 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1680 if (!opts)
1681 return -1;
1682 } else {
1683 /* create empty opts */
1684 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1685 }
1686 qemu_opt_set(opts, "driver", "virtio-balloon");
1687 return 0;
1688 }
1689
1690 return -1;
1691 }
1692
1693 char *qemu_find_file(int type, const char *name)
1694 {
1695 int len;
1696 const char *subdir;
1697 char *buf;
1698
1699 /* If name contains path separators then try it as a straight path. */
1700 if ((strchr(name, '/') || strchr(name, '\\'))
1701 && access(name, R_OK) == 0) {
1702 return g_strdup(name);
1703 }
1704 switch (type) {
1705 case QEMU_FILE_TYPE_BIOS:
1706 subdir = "";
1707 break;
1708 case QEMU_FILE_TYPE_KEYMAP:
1709 subdir = "keymaps/";
1710 break;
1711 default:
1712 abort();
1713 }
1714 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1715 buf = g_malloc0(len);
1716 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1717 if (access(buf, R_OK)) {
1718 g_free(buf);
1719 return NULL;
1720 }
1721 return buf;
1722 }
1723
1724 static int device_help_func(QemuOpts *opts, void *opaque)
1725 {
1726 return qdev_device_help(opts);
1727 }
1728
1729 static int device_init_func(QemuOpts *opts, void *opaque)
1730 {
1731 DeviceState *dev;
1732
1733 dev = qdev_device_add(opts);
1734 if (!dev)
1735 return -1;
1736 return 0;
1737 }
1738
1739 static int chardev_init_func(QemuOpts *opts, void *opaque)
1740 {
1741 CharDriverState *chr;
1742
1743 chr = qemu_chr_new_from_opts(opts, NULL);
1744 if (!chr)
1745 return -1;
1746 return 0;
1747 }
1748
1749 #ifdef CONFIG_VIRTFS
1750 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1751 {
1752 int ret;
1753 ret = qemu_fsdev_add(opts);
1754
1755 return ret;
1756 }
1757 #endif
1758
1759 static int mon_init_func(QemuOpts *opts, void *opaque)
1760 {
1761 CharDriverState *chr;
1762 const char *chardev;
1763 const char *mode;
1764 int flags;
1765
1766 mode = qemu_opt_get(opts, "mode");
1767 if (mode == NULL) {
1768 mode = "readline";
1769 }
1770 if (strcmp(mode, "readline") == 0) {
1771 flags = MONITOR_USE_READLINE;
1772 } else if (strcmp(mode, "control") == 0) {
1773 flags = MONITOR_USE_CONTROL;
1774 } else {
1775 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1776 exit(1);
1777 }
1778
1779 if (qemu_opt_get_bool(opts, "pretty", 0))
1780 flags |= MONITOR_USE_PRETTY;
1781
1782 if (qemu_opt_get_bool(opts, "default", 0))
1783 flags |= MONITOR_IS_DEFAULT;
1784
1785 chardev = qemu_opt_get(opts, "chardev");
1786 chr = qemu_chr_find(chardev);
1787 if (chr == NULL) {
1788 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1789 exit(1);
1790 }
1791
1792 monitor_init(chr, flags);
1793 return 0;
1794 }
1795
1796 static void monitor_parse(const char *optarg, const char *mode)
1797 {
1798 static int monitor_device_index = 0;
1799 QemuOpts *opts;
1800 const char *p;
1801 char label[32];
1802 int def = 0;
1803
1804 if (strstart(optarg, "chardev:", &p)) {
1805 snprintf(label, sizeof(label), "%s", p);
1806 } else {
1807 snprintf(label, sizeof(label), "compat_monitor%d",
1808 monitor_device_index);
1809 if (monitor_device_index == 0) {
1810 def = 1;
1811 }
1812 opts = qemu_chr_parse_compat(label, optarg);
1813 if (!opts) {
1814 fprintf(stderr, "parse error: %s\n", optarg);
1815 exit(1);
1816 }
1817 }
1818
1819 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1820 if (!opts) {
1821 fprintf(stderr, "duplicate chardev: %s\n", label);
1822 exit(1);
1823 }
1824 qemu_opt_set(opts, "mode", mode);
1825 qemu_opt_set(opts, "chardev", label);
1826 if (def)
1827 qemu_opt_set(opts, "default", "on");
1828 monitor_device_index++;
1829 }
1830
1831 struct device_config {
1832 enum {
1833 DEV_USB, /* -usbdevice */
1834 DEV_BT, /* -bt */
1835 DEV_SERIAL, /* -serial */
1836 DEV_PARALLEL, /* -parallel */
1837 DEV_VIRTCON, /* -virtioconsole */
1838 DEV_DEBUGCON, /* -debugcon */
1839 } type;
1840 const char *cmdline;
1841 QTAILQ_ENTRY(device_config) next;
1842 };
1843 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1844
1845 static void add_device_config(int type, const char *cmdline)
1846 {
1847 struct device_config *conf;
1848
1849 conf = g_malloc0(sizeof(*conf));
1850 conf->type = type;
1851 conf->cmdline = cmdline;
1852 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1853 }
1854
1855 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1856 {
1857 struct device_config *conf;
1858 int rc;
1859
1860 QTAILQ_FOREACH(conf, &device_configs, next) {
1861 if (conf->type != type)
1862 continue;
1863 rc = func(conf->cmdline);
1864 if (0 != rc)
1865 return rc;
1866 }
1867 return 0;
1868 }
1869
1870 static int serial_parse(const char *devname)
1871 {
1872 static int index = 0;
1873 char label[32];
1874
1875 if (strcmp(devname, "none") == 0)
1876 return 0;
1877 if (index == MAX_SERIAL_PORTS) {
1878 fprintf(stderr, "qemu: too many serial ports\n");
1879 exit(1);
1880 }
1881 snprintf(label, sizeof(label), "serial%d", index);
1882 serial_hds[index] = qemu_chr_new(label, devname, NULL);
1883 if (!serial_hds[index]) {
1884 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1885 devname, strerror(errno));
1886 return -1;
1887 }
1888 index++;
1889 return 0;
1890 }
1891
1892 static int parallel_parse(const char *devname)
1893 {
1894 static int index = 0;
1895 char label[32];
1896
1897 if (strcmp(devname, "none") == 0)
1898 return 0;
1899 if (index == MAX_PARALLEL_PORTS) {
1900 fprintf(stderr, "qemu: too many parallel ports\n");
1901 exit(1);
1902 }
1903 snprintf(label, sizeof(label), "parallel%d", index);
1904 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
1905 if (!parallel_hds[index]) {
1906 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1907 devname, strerror(errno));
1908 return -1;
1909 }
1910 index++;
1911 return 0;
1912 }
1913
1914 static int virtcon_parse(const char *devname)
1915 {
1916 QemuOptsList *device = qemu_find_opts("device");
1917 static int index = 0;
1918 char label[32];
1919 QemuOpts *bus_opts, *dev_opts;
1920
1921 if (strcmp(devname, "none") == 0)
1922 return 0;
1923 if (index == MAX_VIRTIO_CONSOLES) {
1924 fprintf(stderr, "qemu: too many virtio consoles\n");
1925 exit(1);
1926 }
1927
1928 bus_opts = qemu_opts_create(device, NULL, 0);
1929 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1930
1931 dev_opts = qemu_opts_create(device, NULL, 0);
1932 qemu_opt_set(dev_opts, "driver", "virtconsole");
1933
1934 snprintf(label, sizeof(label), "virtcon%d", index);
1935 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
1936 if (!virtcon_hds[index]) {
1937 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1938 devname, strerror(errno));
1939 return -1;
1940 }
1941 qemu_opt_set(dev_opts, "chardev", label);
1942
1943 index++;
1944 return 0;
1945 }
1946
1947 static int debugcon_parse(const char *devname)
1948 {
1949 QemuOpts *opts;
1950
1951 if (!qemu_chr_new("debugcon", devname, NULL)) {
1952 exit(1);
1953 }
1954 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1955 if (!opts) {
1956 fprintf(stderr, "qemu: already have a debugcon device\n");
1957 exit(1);
1958 }
1959 qemu_opt_set(opts, "driver", "isa-debugcon");
1960 qemu_opt_set(opts, "chardev", "debugcon");
1961 return 0;
1962 }
1963
1964 static QEMUMachine *machine_parse(const char *name)
1965 {
1966 QEMUMachine *m, *machine = NULL;
1967
1968 if (name) {
1969 machine = find_machine(name);
1970 }
1971 if (machine) {
1972 return machine;
1973 }
1974 printf("Supported machines are:\n");
1975 for (m = first_machine; m != NULL; m = m->next) {
1976 if (m->alias) {
1977 printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
1978 }
1979 printf("%-10s %s%s\n", m->name, m->desc,
1980 m->is_default ? " (default)" : "");
1981 }
1982 exit(!name || *name != '?');
1983 }
1984
1985 static int tcg_init(void)
1986 {
1987 tcg_exec_init(tcg_tb_size * 1024 * 1024);
1988 return 0;
1989 }
1990
1991 static struct {
1992 const char *opt_name;
1993 const char *name;
1994 int (*available)(void);
1995 int (*init)(void);
1996 int *allowed;
1997 } accel_list[] = {
1998 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1999 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2000 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2001 };
2002
2003 static int configure_accelerator(void)
2004 {
2005 const char *p = NULL;
2006 char buf[10];
2007 int i, ret;
2008 bool accel_initalised = 0;
2009 bool init_failed = 0;
2010
2011 QemuOptsList *list = qemu_find_opts("machine");
2012 if (!QTAILQ_EMPTY(&list->head)) {
2013 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2014 }
2015
2016 if (p == NULL) {
2017 /* Use the default "accelerator", tcg */
2018 p = "tcg";
2019 }
2020
2021 while (!accel_initalised && *p != '\0') {
2022 if (*p == ':') {
2023 p++;
2024 }
2025 p = get_opt_name(buf, sizeof (buf), p, ':');
2026 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2027 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2028 *(accel_list[i].allowed) = 1;
2029 ret = accel_list[i].init();
2030 if (ret < 0) {
2031 init_failed = 1;
2032 if (!accel_list[i].available()) {
2033 printf("%s not supported for this target\n",
2034 accel_list[i].name);
2035 } else {
2036 fprintf(stderr, "failed to initialize %s: %s\n",
2037 accel_list[i].name,
2038 strerror(-ret));
2039 }
2040 *(accel_list[i].allowed) = 0;
2041 } else {
2042 accel_initalised = 1;
2043 }
2044 break;
2045 }
2046 }
2047 if (i == ARRAY_SIZE(accel_list)) {
2048 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2049 }
2050 }
2051
2052 if (!accel_initalised) {
2053 fprintf(stderr, "No accelerator found!\n");
2054 exit(1);
2055 }
2056
2057 if (init_failed) {
2058 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2059 }
2060
2061 return !accel_initalised;
2062 }
2063
2064 void qemu_add_exit_notifier(Notifier *notify)
2065 {
2066 notifier_list_add(&exit_notifiers, notify);
2067 }
2068
2069 void qemu_remove_exit_notifier(Notifier *notify)
2070 {
2071 notifier_list_remove(&exit_notifiers, notify);
2072 }
2073
2074 static void qemu_run_exit_notifiers(void)
2075 {
2076 notifier_list_notify(&exit_notifiers, NULL);
2077 }
2078
2079 void qemu_add_machine_init_done_notifier(Notifier *notify)
2080 {
2081 notifier_list_add(&machine_init_done_notifiers, notify);
2082 }
2083
2084 static void qemu_run_machine_init_done_notifiers(void)
2085 {
2086 notifier_list_notify(&machine_init_done_notifiers, NULL);
2087 }
2088
2089 static const QEMUOption *lookup_opt(int argc, char **argv,
2090 const char **poptarg, int *poptind)
2091 {
2092 const QEMUOption *popt;
2093 int optind = *poptind;
2094 char *r = argv[optind];
2095 const char *optarg;
2096
2097 loc_set_cmdline(argv, optind, 1);
2098 optind++;
2099 /* Treat --foo the same as -foo. */
2100 if (r[1] == '-')
2101 r++;
2102 popt = qemu_options;
2103 for(;;) {
2104 if (!popt->name) {
2105 error_report("invalid option");
2106 exit(1);
2107 }
2108 if (!strcmp(popt->name, r + 1))
2109 break;
2110 popt++;
2111 }
2112 if (popt->flags & HAS_ARG) {
2113 if (optind >= argc) {
2114 error_report("requires an argument");
2115 exit(1);
2116 }
2117 optarg = argv[optind++];
2118 loc_set_cmdline(argv, optind - 2, 2);
2119 } else {
2120 optarg = NULL;
2121 }
2122
2123 *poptarg = optarg;
2124 *poptind = optind;
2125
2126 return popt;
2127 }
2128
2129 static gpointer malloc_and_trace(gsize n_bytes)
2130 {
2131 void *ptr = malloc(n_bytes);
2132 trace_g_malloc(n_bytes, ptr);
2133 return ptr;
2134 }
2135
2136 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2137 {
2138 void *ptr = realloc(mem, n_bytes);
2139 trace_g_realloc(mem, n_bytes, ptr);
2140 return ptr;
2141 }
2142
2143 static void free_and_trace(gpointer mem)
2144 {
2145 trace_g_free(mem);
2146 free(mem);
2147 }
2148
2149 int main(int argc, char **argv, char **envp)
2150 {
2151 const char *gdbstub_dev = NULL;
2152 int i;
2153 int snapshot, linux_boot;
2154 const char *icount_option = NULL;
2155 const char *initrd_filename;
2156 const char *kernel_filename, *kernel_cmdline;
2157 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2158 DisplayState *ds;
2159 DisplayChangeListener *dcl;
2160 int cyls, heads, secs, translation;
2161 QemuOpts *hda_opts = NULL, *opts;
2162 QemuOptsList *olist;
2163 int optind;
2164 const char *optarg;
2165 const char *loadvm = NULL;
2166 QEMUMachine *machine;
2167 const char *cpu_model;
2168 const char *pid_file = NULL;
2169 const char *incoming = NULL;
2170 #ifdef CONFIG_VNC
2171 int show_vnc_port = 0;
2172 #endif
2173 int defconfig = 1;
2174 const char *log_mask = NULL;
2175 const char *log_file = NULL;
2176 GMemVTable mem_trace = {
2177 .malloc = malloc_and_trace,
2178 .realloc = realloc_and_trace,
2179 .free = free_and_trace,
2180 };
2181 const char *trace_events = NULL;
2182 const char *trace_file = NULL;
2183
2184 atexit(qemu_run_exit_notifiers);
2185 error_set_progname(argv[0]);
2186
2187 g_mem_set_vtable(&mem_trace);
2188 g_thread_init(NULL);
2189
2190 runstate_init();
2191
2192 init_clocks();
2193 rtc_clock = host_clock;
2194
2195 qemu_cache_utils_init(envp);
2196
2197 QLIST_INIT (&vm_change_state_head);
2198 os_setup_early_signal_handling();
2199
2200 module_call_init(MODULE_INIT_MACHINE);
2201 machine = find_default_machine();
2202 cpu_model = NULL;
2203 initrd_filename = NULL;
2204 ram_size = 0;
2205 snapshot = 0;
2206 kernel_filename = NULL;
2207 kernel_cmdline = "";
2208 cyls = heads = secs = 0;
2209 translation = BIOS_ATA_TRANSLATION_AUTO;
2210
2211 for (i = 0; i < MAX_NODES; i++) {
2212 node_mem[i] = 0;
2213 node_cpumask[i] = 0;
2214 }
2215
2216 nb_numa_nodes = 0;
2217 nb_nics = 0;
2218
2219 autostart= 1;
2220
2221 /* first pass of option parsing */
2222 optind = 1;
2223 while (optind < argc) {
2224 if (argv[optind][0] != '-') {
2225 /* disk image */
2226 optind++;
2227 continue;
2228 } else {
2229 const QEMUOption *popt;
2230
2231 popt = lookup_opt(argc, argv, &optarg, &optind);
2232 switch (popt->index) {
2233 case QEMU_OPTION_nodefconfig:
2234 defconfig=0;
2235 break;
2236 }
2237 }
2238 }
2239
2240 if (defconfig) {
2241 int ret;
2242
2243 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2244 if (ret < 0 && ret != -ENOENT) {
2245 exit(1);
2246 }
2247
2248 ret = qemu_read_config_file(arch_config_name);
2249 if (ret < 0 && ret != -ENOENT) {
2250 exit(1);
2251 }
2252 }
2253 cpudef_init();
2254
2255 /* second pass of option parsing */
2256 optind = 1;
2257 for(;;) {
2258 if (optind >= argc)
2259 break;
2260 if (argv[optind][0] != '-') {
2261 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2262 } else {
2263 const QEMUOption *popt;
2264
2265 popt = lookup_opt(argc, argv, &optarg, &optind);
2266 if (!(popt->arch_mask & arch_type)) {
2267 printf("Option %s not supported for this target\n", popt->name);
2268 exit(1);
2269 }
2270 switch(popt->index) {
2271 case QEMU_OPTION_M:
2272 machine = machine_parse(optarg);
2273 break;
2274 case QEMU_OPTION_cpu:
2275 /* hw initialization will check this */
2276 if (*optarg == '?') {
2277 list_cpus(stdout, &fprintf, optarg);
2278 exit(0);
2279 } else {
2280 cpu_model = optarg;
2281 }
2282 break;
2283 case QEMU_OPTION_initrd:
2284 initrd_filename = optarg;
2285 break;
2286 case QEMU_OPTION_hda:
2287 {
2288 char buf[256];
2289 if (cyls == 0)
2290 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2291 else
2292 snprintf(buf, sizeof(buf),
2293 "%s,cyls=%d,heads=%d,secs=%d%s",
2294 HD_OPTS , cyls, heads, secs,
2295 translation == BIOS_ATA_TRANSLATION_LBA ?
2296 ",trans=lba" :
2297 translation == BIOS_ATA_TRANSLATION_NONE ?
2298 ",trans=none" : "");
2299 drive_add(IF_DEFAULT, 0, optarg, buf);
2300 break;
2301 }
2302 case QEMU_OPTION_hdb:
2303 case QEMU_OPTION_hdc:
2304 case QEMU_OPTION_hdd:
2305 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2306 HD_OPTS);
2307 break;
2308 case QEMU_OPTION_drive:
2309 if (drive_def(optarg) == NULL) {
2310 exit(1);
2311 }
2312 break;
2313 case QEMU_OPTION_set:
2314 if (qemu_set_option(optarg) != 0)
2315 exit(1);
2316 break;
2317 case QEMU_OPTION_global:
2318 if (qemu_global_option(optarg) != 0)
2319 exit(1);
2320 break;
2321 case QEMU_OPTION_mtdblock:
2322 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2323 break;
2324 case QEMU_OPTION_sd:
2325 drive_add(IF_SD, 0, optarg, SD_OPTS);
2326 break;
2327 case QEMU_OPTION_pflash:
2328 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2329 break;
2330 case QEMU_OPTION_snapshot:
2331 snapshot = 1;
2332 break;
2333 case QEMU_OPTION_hdachs:
2334 {
2335 const char *p;
2336 p = optarg;
2337 cyls = strtol(p, (char **)&p, 0);
2338 if (cyls < 1 || cyls > 16383)
2339 goto chs_fail;
2340 if (*p != ',')
2341 goto chs_fail;
2342 p++;
2343 heads = strtol(p, (char **)&p, 0);
2344 if (heads < 1 || heads > 16)
2345 goto chs_fail;
2346 if (*p != ',')
2347 goto chs_fail;
2348 p++;
2349 secs = strtol(p, (char **)&p, 0);
2350 if (secs < 1 || secs > 63)
2351 goto chs_fail;
2352 if (*p == ',') {
2353 p++;
2354 if (!strcmp(p, "none"))
2355 translation = BIOS_ATA_TRANSLATION_NONE;
2356 else if (!strcmp(p, "lba"))
2357 translation = BIOS_ATA_TRANSLATION_LBA;
2358 else if (!strcmp(p, "auto"))
2359 translation = BIOS_ATA_TRANSLATION_AUTO;
2360 else
2361 goto chs_fail;
2362 } else if (*p != '\0') {
2363 chs_fail:
2364 fprintf(stderr, "qemu: invalid physical CHS format\n");
2365 exit(1);
2366 }
2367 if (hda_opts != NULL) {
2368 char num[16];
2369 snprintf(num, sizeof(num), "%d", cyls);
2370 qemu_opt_set(hda_opts, "cyls", num);
2371 snprintf(num, sizeof(num), "%d", heads);
2372 qemu_opt_set(hda_opts, "heads", num);
2373 snprintf(num, sizeof(num), "%d", secs);
2374 qemu_opt_set(hda_opts, "secs", num);
2375 if (translation == BIOS_ATA_TRANSLATION_LBA)
2376 qemu_opt_set(hda_opts, "trans", "lba");
2377 if (translation == BIOS_ATA_TRANSLATION_NONE)
2378 qemu_opt_set(hda_opts, "trans", "none");
2379 }
2380 }
2381 break;
2382 case QEMU_OPTION_numa:
2383 if (nb_numa_nodes >= MAX_NODES) {
2384 fprintf(stderr, "qemu: too many NUMA nodes\n");
2385 exit(1);
2386 }
2387 numa_add(optarg);
2388 break;
2389 case QEMU_OPTION_display:
2390 display_type = select_display(optarg);
2391 break;
2392 case QEMU_OPTION_nographic:
2393 display_type = DT_NOGRAPHIC;
2394 break;
2395 case QEMU_OPTION_curses:
2396 #ifdef CONFIG_CURSES
2397 display_type = DT_CURSES;
2398 #else
2399 fprintf(stderr, "Curses support is disabled\n");
2400 exit(1);
2401 #endif
2402 break;
2403 case QEMU_OPTION_portrait:
2404 graphic_rotate = 90;
2405 break;
2406 case QEMU_OPTION_rotate:
2407 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2408 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2409 graphic_rotate != 180 && graphic_rotate != 270) {
2410 fprintf(stderr,
2411 "qemu: only 90, 180, 270 deg rotation is available\n");
2412 exit(1);
2413 }
2414 break;
2415 case QEMU_OPTION_kernel:
2416 kernel_filename = optarg;
2417 break;
2418 case QEMU_OPTION_append:
2419 kernel_cmdline = optarg;
2420 break;
2421 case QEMU_OPTION_cdrom:
2422 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2423 break;
2424 case QEMU_OPTION_boot:
2425 {
2426 static const char * const params[] = {
2427 "order", "once", "menu",
2428 "splash", "splash-time", NULL
2429 };
2430 char buf[sizeof(boot_devices)];
2431 char *standard_boot_devices;
2432 int legacy = 0;
2433
2434 if (!strchr(optarg, '=')) {
2435 legacy = 1;
2436 pstrcpy(buf, sizeof(buf), optarg);
2437 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2438 fprintf(stderr,
2439 "qemu: unknown boot parameter '%s' in '%s'\n",
2440 buf, optarg);
2441 exit(1);
2442 }
2443
2444 if (legacy ||
2445 get_param_value(buf, sizeof(buf), "order", optarg)) {
2446 validate_bootdevices(buf);
2447 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2448 }
2449 if (!legacy) {
2450 if (get_param_value(buf, sizeof(buf),
2451 "once", optarg)) {
2452 validate_bootdevices(buf);
2453 standard_boot_devices = g_strdup(boot_devices);
2454 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2455 qemu_register_reset(restore_boot_devices,
2456 standard_boot_devices);
2457 }
2458 if (get_param_value(buf, sizeof(buf),
2459 "menu", optarg)) {
2460 if (!strcmp(buf, "on")) {
2461 boot_menu = 1;
2462 } else if (!strcmp(buf, "off")) {
2463 boot_menu = 0;
2464 } else {
2465 fprintf(stderr,
2466 "qemu: invalid option value '%s'\n",
2467 buf);
2468 exit(1);
2469 }
2470 }
2471 qemu_opts_parse(qemu_find_opts("boot-opts"),
2472 optarg, 0);
2473 }
2474 }
2475 break;
2476 case QEMU_OPTION_fda:
2477 case QEMU_OPTION_fdb:
2478 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2479 optarg, FD_OPTS);
2480 break;
2481 case QEMU_OPTION_no_fd_bootchk:
2482 fd_bootchk = 0;
2483 break;
2484 case QEMU_OPTION_netdev:
2485 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2486 exit(1);
2487 }
2488 break;
2489 case QEMU_OPTION_net:
2490 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2491 exit(1);
2492 }
2493 break;
2494 #ifdef CONFIG_SLIRP
2495 case QEMU_OPTION_tftp:
2496 legacy_tftp_prefix = optarg;
2497 break;
2498 case QEMU_OPTION_bootp:
2499 legacy_bootp_filename = optarg;
2500 break;
2501 case QEMU_OPTION_redir:
2502 if (net_slirp_redir(optarg) < 0)
2503 exit(1);
2504 break;
2505 #endif
2506 case QEMU_OPTION_bt:
2507 add_device_config(DEV_BT, optarg);
2508 break;
2509 case QEMU_OPTION_audio_help:
2510 if (!(audio_available())) {
2511 printf("Option %s not supported for this target\n", popt->name);
2512 exit(1);
2513 }
2514 AUD_help ();
2515 exit (0);
2516 break;
2517 case QEMU_OPTION_soundhw:
2518 if (!(audio_available())) {
2519 printf("Option %s not supported for this target\n", popt->name);
2520 exit(1);
2521 }
2522 select_soundhw (optarg);
2523 break;
2524 case QEMU_OPTION_h:
2525 help(0);
2526 break;
2527 case QEMU_OPTION_version:
2528 version();
2529 exit(0);
2530 break;
2531 case QEMU_OPTION_m: {
2532 int64_t value;
2533
2534 value = strtosz(optarg, NULL);
2535 if (value < 0) {
2536 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2537 exit(1);
2538 }
2539
2540 if (value != (uint64_t)(ram_addr_t)value) {
2541 fprintf(stderr, "qemu: ram size too large\n");
2542 exit(1);
2543 }
2544 ram_size = value;
2545 break;
2546 }
2547 case QEMU_OPTION_mempath:
2548 mem_path = optarg;
2549 break;
2550 #ifdef MAP_POPULATE
2551 case QEMU_OPTION_mem_prealloc:
2552 mem_prealloc = 1;
2553 break;
2554 #endif
2555 case QEMU_OPTION_d:
2556 log_mask = optarg;
2557 break;
2558 case QEMU_OPTION_D:
2559 log_file = optarg;
2560 break;
2561 case QEMU_OPTION_s:
2562 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2563 break;
2564 case QEMU_OPTION_gdb:
2565 gdbstub_dev = optarg;
2566 break;
2567 case QEMU_OPTION_L:
2568 data_dir = optarg;
2569 break;
2570 case QEMU_OPTION_bios:
2571 bios_name = optarg;
2572 break;
2573 case QEMU_OPTION_singlestep:
2574 singlestep = 1;
2575 break;
2576 case QEMU_OPTION_S:
2577 autostart = 0;
2578 break;
2579 case QEMU_OPTION_k:
2580 keyboard_layout = optarg;
2581 break;
2582 case QEMU_OPTION_localtime:
2583 rtc_utc = 0;
2584 break;
2585 case QEMU_OPTION_vga:
2586 select_vgahw (optarg);
2587 break;
2588 case QEMU_OPTION_g:
2589 {
2590 const char *p;
2591 int w, h, depth;
2592 p = optarg;
2593 w = strtol(p, (char **)&p, 10);
2594 if (w <= 0) {
2595 graphic_error:
2596 fprintf(stderr, "qemu: invalid resolution or depth\n");
2597 exit(1);
2598 }
2599 if (*p != 'x')
2600 goto graphic_error;
2601 p++;
2602 h = strtol(p, (char **)&p, 10);
2603 if (h <= 0)
2604 goto graphic_error;
2605 if (*p == 'x') {
2606 p++;
2607 depth = strtol(p, (char **)&p, 10);
2608 if (depth != 8 && depth != 15 && depth != 16 &&
2609 depth != 24 && depth != 32)
2610 goto graphic_error;
2611 } else if (*p == '\0') {
2612 depth = graphic_depth;
2613 } else {
2614 goto graphic_error;
2615 }
2616
2617 graphic_width = w;
2618 graphic_height = h;
2619 graphic_depth = depth;
2620 }
2621 break;
2622 case QEMU_OPTION_echr:
2623 {
2624 char *r;
2625 term_escape_char = strtol(optarg, &r, 0);
2626 if (r == optarg)
2627 printf("Bad argument to echr\n");
2628 break;
2629 }
2630 case QEMU_OPTION_monitor:
2631 monitor_parse(optarg, "readline");
2632 default_monitor = 0;
2633 break;
2634 case QEMU_OPTION_qmp:
2635 monitor_parse(optarg, "control");
2636 default_monitor = 0;
2637 break;
2638 case QEMU_OPTION_mon:
2639 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2640 if (!opts) {
2641 exit(1);
2642 }
2643 default_monitor = 0;
2644 break;
2645 case QEMU_OPTION_chardev:
2646 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2647 if (!opts) {
2648 exit(1);
2649 }
2650 break;
2651 case QEMU_OPTION_fsdev:
2652 olist = qemu_find_opts("fsdev");
2653 if (!olist) {
2654 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2655 exit(1);
2656 }
2657 opts = qemu_opts_parse(olist, optarg, 1);
2658 if (!opts) {
2659 fprintf(stderr, "parse error: %s\n", optarg);
2660 exit(1);
2661 }
2662 break;
2663 case QEMU_OPTION_virtfs: {
2664 QemuOpts *fsdev;
2665 QemuOpts *device;
2666 const char *writeout;
2667
2668 olist = qemu_find_opts("virtfs");
2669 if (!olist) {
2670 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2671 exit(1);
2672 }
2673 opts = qemu_opts_parse(olist, optarg, 1);
2674 if (!opts) {
2675 fprintf(stderr, "parse error: %s\n", optarg);
2676 exit(1);
2677 }
2678
2679 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2680 qemu_opt_get(opts, "mount_tag") == NULL ||
2681 qemu_opt_get(opts, "path") == NULL) {
2682 fprintf(stderr, "Usage: -virtfs fsdriver,path=/share_path/,"
2683 "[security_model={mapped|passthrough|none}],"
2684 "mount_tag=tag.\n");
2685 exit(1);
2686 }
2687 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2688 qemu_opt_get(opts, "mount_tag"), 1);
2689 if (!fsdev) {
2690 fprintf(stderr, "duplicate fsdev id: %s\n",
2691 qemu_opt_get(opts, "mount_tag"));
2692 exit(1);
2693 }
2694
2695 writeout = qemu_opt_get(opts, "writeout");
2696 if (writeout) {
2697 #ifdef CONFIG_SYNC_FILE_RANGE
2698 qemu_opt_set(fsdev, "writeout", writeout);
2699 #else
2700 fprintf(stderr, "writeout=immediate not supported on "
2701 "this platform\n");
2702 exit(1);
2703 #endif
2704 }
2705 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2706 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2707 qemu_opt_set(fsdev, "security_model",
2708 qemu_opt_get(opts, "security_model"));
2709
2710 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2711 qemu_opt_set(device, "driver", "virtio-9p-pci");
2712 qemu_opt_set(device, "fsdev",
2713 qemu_opt_get(opts, "mount_tag"));
2714 qemu_opt_set(device, "mount_tag",
2715 qemu_opt_get(opts, "mount_tag"));
2716 break;
2717 }
2718 case QEMU_OPTION_serial:
2719 add_device_config(DEV_SERIAL, optarg);
2720 default_serial = 0;
2721 if (strncmp(optarg, "mon:", 4) == 0) {
2722 default_monitor = 0;
2723 }
2724 break;
2725 case QEMU_OPTION_watchdog:
2726 if (watchdog) {
2727 fprintf(stderr,
2728 "qemu: only one watchdog option may be given\n");
2729 return 1;
2730 }
2731 watchdog = optarg;
2732 break;
2733 case QEMU_OPTION_watchdog_action:
2734 if (select_watchdog_action(optarg) == -1) {
2735 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2736 exit(1);
2737 }
2738 break;
2739 case QEMU_OPTION_virtiocon:
2740 add_device_config(DEV_VIRTCON, optarg);
2741 default_virtcon = 0;
2742 if (strncmp(optarg, "mon:", 4) == 0) {
2743 default_monitor = 0;
2744 }
2745 break;
2746 case QEMU_OPTION_parallel:
2747 add_device_config(DEV_PARALLEL, optarg);
2748 default_parallel = 0;
2749 if (strncmp(optarg, "mon:", 4) == 0) {
2750 default_monitor = 0;
2751 }
2752 break;
2753 case QEMU_OPTION_debugcon:
2754 add_device_config(DEV_DEBUGCON, optarg);
2755 break;
2756 case QEMU_OPTION_loadvm:
2757 loadvm = optarg;
2758 break;
2759 case QEMU_OPTION_full_screen:
2760 full_screen = 1;
2761 break;
2762 #ifdef CONFIG_SDL
2763 case QEMU_OPTION_no_frame:
2764 no_frame = 1;
2765 break;
2766 case QEMU_OPTION_alt_grab:
2767 alt_grab = 1;
2768 break;
2769 case QEMU_OPTION_ctrl_grab:
2770 ctrl_grab = 1;
2771 break;
2772 case QEMU_OPTION_no_quit:
2773 no_quit = 1;
2774 break;
2775 case QEMU_OPTION_sdl:
2776 display_type = DT_SDL;
2777 break;
2778 #else
2779 case QEMU_OPTION_no_frame:
2780 case QEMU_OPTION_alt_grab:
2781 case QEMU_OPTION_ctrl_grab:
2782 case QEMU_OPTION_no_quit:
2783 case QEMU_OPTION_sdl:
2784 fprintf(stderr, "SDL support is disabled\n");
2785 exit(1);
2786 #endif
2787 case QEMU_OPTION_pidfile:
2788 pid_file = optarg;
2789 break;
2790 case QEMU_OPTION_win2k_hack:
2791 win2k_install_hack = 1;
2792 break;
2793 case QEMU_OPTION_rtc_td_hack:
2794 rtc_td_hack = 1;
2795 break;
2796 case QEMU_OPTION_acpitable:
2797 do_acpitable_option(optarg);
2798 break;
2799 case QEMU_OPTION_smbios:
2800 do_smbios_option(optarg);
2801 break;
2802 case QEMU_OPTION_enable_kvm:
2803 olist = qemu_find_opts("machine");
2804 qemu_opts_reset(olist);
2805 qemu_opts_parse(olist, "accel=kvm", 0);
2806 break;
2807 case QEMU_OPTION_machine:
2808 olist = qemu_find_opts("machine");
2809 qemu_opts_reset(olist);
2810 opts = qemu_opts_parse(olist, optarg, 1);
2811 if (!opts) {
2812 fprintf(stderr, "parse error: %s\n", optarg);
2813 exit(1);
2814 }
2815 optarg = qemu_opt_get(opts, "type");
2816 if (optarg) {
2817 machine = machine_parse(optarg);
2818 }
2819 break;
2820 case QEMU_OPTION_usb:
2821 usb_enabled = 1;
2822 break;
2823 case QEMU_OPTION_usbdevice:
2824 usb_enabled = 1;
2825 add_device_config(DEV_USB, optarg);
2826 break;
2827 case QEMU_OPTION_device:
2828 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2829 exit(1);
2830 }
2831 break;
2832 case QEMU_OPTION_smp:
2833 smp_parse(optarg);
2834 if (smp_cpus < 1) {
2835 fprintf(stderr, "Invalid number of CPUs\n");
2836 exit(1);
2837 }
2838 if (max_cpus < smp_cpus) {
2839 fprintf(stderr, "maxcpus must be equal to or greater than "
2840 "smp\n");
2841 exit(1);
2842 }
2843 if (max_cpus > 255) {
2844 fprintf(stderr, "Unsupported number of maxcpus\n");
2845 exit(1);
2846 }
2847 break;
2848 case QEMU_OPTION_vnc:
2849 #ifdef CONFIG_VNC
2850 display_remote++;
2851 vnc_display = optarg;
2852 #else
2853 fprintf(stderr, "VNC support is disabled\n");
2854 exit(1);
2855 #endif
2856 break;
2857 case QEMU_OPTION_no_acpi:
2858 acpi_enabled = 0;
2859 break;
2860 case QEMU_OPTION_no_hpet:
2861 no_hpet = 1;
2862 break;
2863 case QEMU_OPTION_balloon:
2864 if (balloon_parse(optarg) < 0) {
2865 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2866 exit(1);
2867 }
2868 break;
2869 case QEMU_OPTION_no_reboot:
2870 no_reboot = 1;
2871 break;
2872 case QEMU_OPTION_no_shutdown:
2873 no_shutdown = 1;
2874 break;
2875 case QEMU_OPTION_show_cursor:
2876 cursor_hide = 0;
2877 break;
2878 case QEMU_OPTION_uuid:
2879 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2880 fprintf(stderr, "Fail to parse UUID string."
2881 " Wrong format.\n");
2882 exit(1);
2883 }
2884 break;
2885 case QEMU_OPTION_option_rom:
2886 if (nb_option_roms >= MAX_OPTION_ROMS) {
2887 fprintf(stderr, "Too many option ROMs\n");
2888 exit(1);
2889 }
2890 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2891 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2892 option_rom[nb_option_roms].bootindex =
2893 qemu_opt_get_number(opts, "bootindex", -1);
2894 if (!option_rom[nb_option_roms].name) {
2895 fprintf(stderr, "Option ROM file is not specified\n");
2896 exit(1);
2897 }
2898 nb_option_roms++;
2899 break;
2900 case QEMU_OPTION_semihosting:
2901 semihosting_enabled = 1;
2902 break;
2903 case QEMU_OPTION_name:
2904 qemu_name = g_strdup(optarg);
2905 {
2906 char *p = strchr(qemu_name, ',');
2907 if (p != NULL) {
2908 *p++ = 0;
2909 if (strncmp(p, "process=", 8)) {
2910 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2911 exit(1);
2912 }
2913 p += 8;
2914 os_set_proc_name(p);
2915 }
2916 }
2917 break;
2918 case QEMU_OPTION_prom_env:
2919 if (nb_prom_envs >= MAX_PROM_ENVS) {
2920 fprintf(stderr, "Too many prom variables\n");
2921 exit(1);
2922 }
2923 prom_envs[nb_prom_envs] = optarg;
2924 nb_prom_envs++;
2925 break;
2926 case QEMU_OPTION_old_param:
2927 old_param = 1;
2928 break;
2929 case QEMU_OPTION_clock:
2930 configure_alarms(optarg);
2931 break;
2932 case QEMU_OPTION_startdate:
2933 configure_rtc_date_offset(optarg, 1);
2934 break;
2935 case QEMU_OPTION_rtc:
2936 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2937 if (!opts) {
2938 exit(1);
2939 }
2940 configure_rtc(opts);
2941 break;
2942 case QEMU_OPTION_tb_size:
2943 tcg_tb_size = strtol(optarg, NULL, 0);
2944 if (tcg_tb_size < 0) {
2945 tcg_tb_size = 0;
2946 }
2947 break;
2948 case QEMU_OPTION_icount:
2949 icount_option = optarg;
2950 break;
2951 case QEMU_OPTION_incoming:
2952 incoming = optarg;
2953 break;
2954 case QEMU_OPTION_nodefaults:
2955 default_serial = 0;
2956 default_parallel = 0;
2957 default_virtcon = 0;
2958 default_monitor = 0;
2959 default_vga = 0;
2960 default_net = 0;
2961 default_floppy = 0;
2962 default_cdrom = 0;
2963 default_sdcard = 0;
2964 break;
2965 case QEMU_OPTION_xen_domid:
2966 if (!(xen_available())) {
2967 printf("Option %s not supported for this target\n", popt->name);
2968 exit(1);
2969 }
2970 xen_domid = atoi(optarg);
2971 break;
2972 case QEMU_OPTION_xen_create:
2973 if (!(xen_available())) {
2974 printf("Option %s not supported for this target\n", popt->name);
2975 exit(1);
2976 }
2977 xen_mode = XEN_CREATE;
2978 break;
2979 case QEMU_OPTION_xen_attach:
2980 if (!(xen_available())) {
2981 printf("Option %s not supported for this target\n", popt->name);
2982 exit(1);
2983 }
2984 xen_mode = XEN_ATTACH;
2985 break;
2986 case QEMU_OPTION_trace:
2987 {
2988 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2989 if (!opts) {
2990 exit(1);
2991 }
2992 trace_events = qemu_opt_get(opts, "events");
2993 trace_file = qemu_opt_get(opts, "file");
2994 break;
2995 }
2996 case QEMU_OPTION_readconfig:
2997 {
2998 int ret = qemu_read_config_file(optarg);
2999 if (ret < 0) {
3000 fprintf(stderr, "read config %s: %s\n", optarg,
3001 strerror(-ret));
3002 exit(1);
3003 }
3004 break;
3005 }
3006 case QEMU_OPTION_spice:
3007 olist = qemu_find_opts("spice");
3008 if (!olist) {
3009 fprintf(stderr, "spice is not supported by this qemu build.\n");
3010 exit(1);
3011 }
3012 opts = qemu_opts_parse(olist, optarg, 0);
3013 if (!opts) {
3014 fprintf(stderr, "parse error: %s\n", optarg);
3015 exit(1);
3016 }
3017 break;
3018 case QEMU_OPTION_writeconfig:
3019 {
3020 FILE *fp;
3021 if (strcmp(optarg, "-") == 0) {
3022 fp = stdout;
3023 } else {
3024 fp = fopen(optarg, "w");
3025 if (fp == NULL) {
3026 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3027 exit(1);
3028 }
3029 }
3030 qemu_config_write(fp);
3031 fclose(fp);
3032 break;
3033 }
3034 default:
3035 os_parse_cmd_args(popt->index, optarg);
3036 }
3037 }
3038 }
3039 loc_set_none();
3040
3041 /* Open the logfile at this point, if necessary. We can't open the logfile
3042 * when encountering either of the logging options (-d or -D) because the
3043 * other one may be encountered later on the command line, changing the
3044 * location or level of logging.
3045 */
3046 if (log_mask) {
3047 if (log_file) {
3048 set_cpu_log_filename(log_file);
3049 }
3050 set_cpu_log(log_mask);
3051 }
3052
3053 if (!trace_backend_init(trace_events, trace_file)) {
3054 exit(1);
3055 }
3056
3057 /* If no data_dir is specified then try to find it relative to the
3058 executable path. */
3059 if (!data_dir) {
3060 data_dir = os_find_datadir(argv[0]);
3061 }
3062 /* If all else fails use the install path specified when building. */
3063 if (!data_dir) {
3064 data_dir = CONFIG_QEMU_DATADIR;
3065 }
3066
3067 /*
3068 * Default to max_cpus = smp_cpus, in case the user doesn't
3069 * specify a max_cpus value.
3070 */
3071 if (!max_cpus)
3072 max_cpus = smp_cpus;
3073
3074 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3075 if (smp_cpus > machine->max_cpus) {
3076 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3077 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3078 machine->max_cpus);
3079 exit(1);
3080 }
3081
3082 /*
3083 * Get the default machine options from the machine if it is not already
3084 * specified either by the configuration file or by the command line.
3085 */
3086 if (machine->default_machine_opts) {
3087 QemuOptsList *list = qemu_find_opts("machine");
3088 const char *p = NULL;
3089
3090 if (!QTAILQ_EMPTY(&list->head)) {
3091 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
3092 }
3093 if (p == NULL) {
3094 qemu_opts_reset(list);
3095 opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
3096 if (!opts) {
3097 fprintf(stderr, "parse error for machine %s: %s\n",
3098 machine->name, machine->default_machine_opts);
3099 exit(1);
3100 }
3101 }
3102 }
3103
3104 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3105 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3106
3107 if (machine->no_serial) {
3108 default_serial = 0;
3109 }
3110 if (machine->no_parallel) {
3111 default_parallel = 0;
3112 }
3113 if (!machine->use_virtcon) {
3114 default_virtcon = 0;
3115 }
3116 if (machine->no_vga) {
3117 default_vga = 0;
3118 }
3119 if (machine->no_floppy) {
3120 default_floppy = 0;
3121 }
3122 if (machine->no_cdrom) {
3123 default_cdrom = 0;
3124 }
3125 if (machine->no_sdcard) {
3126 default_sdcard = 0;
3127 }
3128
3129 if (display_type == DT_NOGRAPHIC) {
3130 if (default_parallel)
3131 add_device_config(DEV_PARALLEL, "null");
3132 if (default_serial && default_monitor) {
3133 add_device_config(DEV_SERIAL, "mon:stdio");
3134 } else if (default_virtcon && default_monitor) {
3135 add_device_config(DEV_VIRTCON, "mon:stdio");
3136 } else {
3137 if (default_serial)
3138 add_device_config(DEV_SERIAL, "stdio");
3139 if (default_virtcon)
3140 add_device_config(DEV_VIRTCON, "stdio");
3141 if (default_monitor)
3142 monitor_parse("stdio", "readline");
3143 }
3144 } else {
3145 if (default_serial)
3146 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3147 if (default_parallel)
3148 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3149 if (default_monitor)
3150 monitor_parse("vc:80Cx24C", "readline");
3151 if (default_virtcon)
3152 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3153 }
3154 if (default_vga)
3155 vga_interface_type = VGA_CIRRUS;
3156
3157 socket_init();
3158
3159 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3160 exit(1);
3161 #ifdef CONFIG_VIRTFS
3162 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3163 exit(1);
3164 }
3165 #endif
3166
3167 os_daemonize();
3168
3169 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3170 os_pidfile_error();
3171 exit(1);
3172 }
3173
3174 /* init the memory */
3175 if (ram_size == 0) {
3176 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3177 }
3178
3179 configure_accelerator();
3180
3181 qemu_init_cpu_loop();
3182 if (qemu_init_main_loop()) {
3183 fprintf(stderr, "qemu_init_main_loop failed\n");
3184 exit(1);
3185 }
3186 linux_boot = (kernel_filename != NULL);
3187
3188 if (!linux_boot && *kernel_cmdline != '\0') {
3189 fprintf(stderr, "-append only allowed with -kernel option\n");
3190 exit(1);
3191 }
3192
3193 if (!linux_boot && initrd_filename != NULL) {
3194 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3195 exit(1);
3196 }
3197
3198 os_set_line_buffering();
3199
3200 if (init_timer_alarm() < 0) {
3201 fprintf(stderr, "could not initialize alarm timer\n");
3202 exit(1);
3203 }
3204 configure_icount(icount_option);
3205
3206 if (net_init_clients() < 0) {
3207 exit(1);
3208 }
3209
3210 /* init the bluetooth world */
3211 if (foreach_device_config(DEV_BT, bt_parse))
3212 exit(1);
3213
3214 if (!xen_enabled()) {
3215 /* On 32-bit hosts, QEMU is limited by virtual address space */
3216 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3217 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3218 exit(1);
3219 }
3220 }
3221
3222 cpu_exec_init_all();
3223
3224 bdrv_init_with_whitelist();
3225
3226 blk_mig_init();
3227
3228 /* open the virtual block devices */
3229 if (snapshot)
3230 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3231 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3232 exit(1);
3233
3234 default_drive(default_cdrom, snapshot, machine->use_scsi,
3235 IF_DEFAULT, 2, CDROM_OPTS);
3236 default_drive(default_floppy, snapshot, machine->use_scsi,
3237 IF_FLOPPY, 0, FD_OPTS);
3238 default_drive(default_sdcard, snapshot, machine->use_scsi,
3239 IF_SD, 0, SD_OPTS);
3240
3241 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3242 ram_load, NULL);
3243
3244 if (nb_numa_nodes > 0) {
3245 int i;
3246
3247 if (nb_numa_nodes > MAX_NODES) {
3248 nb_numa_nodes = MAX_NODES;
3249 }
3250
3251 /* If no memory size if given for any node, assume the default case
3252 * and distribute the available memory equally across all nodes
3253 */
3254 for (i = 0; i < nb_numa_nodes; i++) {
3255 if (node_mem[i] != 0)
3256 break;
3257 }
3258 if (i == nb_numa_nodes) {
3259 uint64_t usedmem = 0;
3260
3261 /* On Linux, the each node's border has to be 8MB aligned,
3262 * the final node gets the rest.
3263 */
3264 for (i = 0; i < nb_numa_nodes - 1; i++) {
3265 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3266 usedmem += node_mem[i];
3267 }
3268 node_mem[i] = ram_size - usedmem;
3269 }
3270
3271 for (i = 0; i < nb_numa_nodes; i++) {
3272 if (node_cpumask[i] != 0)
3273 break;
3274 }
3275 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3276 * must cope with this anyway, because there are BIOSes out there in
3277 * real machines which also use this scheme.
3278 */
3279 if (i == nb_numa_nodes) {
3280 for (i = 0; i < smp_cpus; i++) {
3281 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3282 }
3283 }
3284 }
3285
3286 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3287 exit(1);
3288 }
3289
3290 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3291 exit(1);
3292 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3293 exit(1);
3294 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3295 exit(1);
3296 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3297 exit(1);
3298
3299 module_call_init(MODULE_INIT_DEVICE);
3300
3301 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3302 exit(0);
3303
3304 if (watchdog) {
3305 i = select_watchdog(watchdog);
3306 if (i > 0)
3307 exit (i == 1 ? 1 : 0);
3308 }
3309
3310 if (machine->compat_props) {
3311 qdev_prop_register_global_list(machine->compat_props);
3312 }
3313 qemu_add_globals();
3314
3315 machine->init(ram_size, boot_devices,
3316 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3317
3318 cpu_synchronize_all_post_init();
3319
3320 set_numa_modes();
3321
3322 current_machine = machine;
3323
3324 /* init USB devices */
3325 if (usb_enabled) {
3326 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3327 exit(1);
3328 }
3329
3330 /* init generic devices */
3331 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3332 exit(1);
3333
3334 net_check_clients();
3335
3336 /* just use the first displaystate for the moment */
3337 ds = get_displaystate();
3338
3339 if (using_spice)
3340 display_remote++;
3341 if (display_type == DT_DEFAULT && !display_remote) {
3342 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3343 display_type = DT_SDL;
3344 #elif defined(CONFIG_VNC)
3345 vnc_display = "localhost:0,to=99";
3346 show_vnc_port = 1;
3347 #else
3348 display_type = DT_NONE;
3349 #endif
3350 }
3351
3352
3353 /* init local displays */
3354 switch (display_type) {
3355 case DT_NOGRAPHIC:
3356 break;
3357 #if defined(CONFIG_CURSES)
3358 case DT_CURSES:
3359 curses_display_init(ds, full_screen);
3360 break;
3361 #endif
3362 #if defined(CONFIG_SDL)
3363 case DT_SDL:
3364 sdl_display_init(ds, full_screen, no_frame);
3365 break;
3366 #elif defined(CONFIG_COCOA)
3367 case DT_SDL:
3368 cocoa_display_init(ds, full_screen);
3369 break;
3370 #endif
3371 default:
3372 break;
3373 }
3374
3375 /* must be after terminal init, SDL library changes signal handlers */
3376 os_setup_signal_handling();
3377
3378 #ifdef CONFIG_VNC
3379 /* init remote displays */
3380 if (vnc_display) {
3381 vnc_display_init(ds);
3382 if (vnc_display_open(ds, vnc_display) < 0)
3383 exit(1);
3384
3385 if (show_vnc_port) {
3386 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3387 }
3388 }
3389 #endif
3390 #ifdef CONFIG_SPICE
3391 if (using_spice && !qxl_enabled) {
3392 qemu_spice_display_init(ds);
3393 }
3394 #endif
3395
3396 /* display setup */
3397 dpy_resize(ds);
3398 dcl = ds->listeners;
3399 while (dcl != NULL) {
3400 if (dcl->dpy_refresh != NULL) {
3401 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3402 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3403 break;
3404 }
3405 dcl = dcl->next;
3406 }
3407 text_consoles_set_display(ds);
3408
3409 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3410 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3411 gdbstub_dev);
3412 exit(1);
3413 }
3414
3415 qdev_machine_creation_done();
3416
3417 if (rom_load_all() != 0) {
3418 fprintf(stderr, "rom loading failed\n");
3419 exit(1);
3420 }
3421
3422 /* TODO: once all bus devices are qdevified, this should be done
3423 * when bus is created by qdev.c */
3424 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3425 qemu_run_machine_init_done_notifiers();
3426
3427 qemu_system_reset(VMRESET_SILENT);
3428 if (loadvm) {
3429 if (load_vmstate(loadvm) < 0) {
3430 autostart = 0;
3431 }
3432 }
3433
3434 if (incoming) {
3435 runstate_set(RUN_STATE_INMIGRATE);
3436 int ret = qemu_start_incoming_migration(incoming);
3437 if (ret < 0) {
3438 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3439 incoming, ret);
3440 exit(ret);
3441 }
3442 } else if (autostart) {
3443 vm_start();
3444 }
3445
3446 os_setup_post();
3447
3448 resume_all_vcpus();
3449 main_loop();
3450 bdrv_close_all();
3451 pause_all_vcpus();
3452 net_cleanup();
3453 res_free();
3454
3455 return 0;
3456 }
QEmu