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Merge remote-tracking branch 'quintela/migration-pull' into staging
[qemu.git] / vl.c
blob66f70fb6ae08ef2077793e724894f7c1079375ee
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 #ifdef CONFIG_VIRTFS
152 #include "fsdev/qemu-fsdev.h"
153 #endif
154
155 #include "disas.h"
156
157 #include "qemu_socket.h"
158
159 #include "slirp/libslirp.h"
160
161 #include "trace.h"
162 #include "trace/control.h"
163 #include "qemu-queue.h"
164 #include "cpus.h"
165 #include "arch_init.h"
166
167 #include "ui/qemu-spice.h"
168
169 //#define DEBUG_NET
170 //#define DEBUG_SLIRP
171
172 #define DEFAULT_RAM_SIZE 128
173
174 #define MAX_VIRTIO_CONSOLES 1
175
176 static const char *data_dir;
177 const char *bios_name = NULL;
178 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
179 DisplayType display_type = DT_DEFAULT;
180 int display_remote = 0;
181 const char* keyboard_layout = NULL;
182 ram_addr_t ram_size;
183 const char *mem_path = NULL;
184 #ifdef MAP_POPULATE
185 int mem_prealloc = 0; /* force preallocation of physical target memory */
186 #endif
187 int nb_nics;
188 NICInfo nd_table[MAX_NICS];
189 int autostart;
190 static int rtc_utc = 1;
191 static int rtc_date_offset = -1; /* -1 means no change */
192 QEMUClock *rtc_clock;
193 int vga_interface_type = VGA_NONE;
194 static int full_screen = 0;
195 #ifdef CONFIG_SDL
196 static int no_frame = 0;
197 #endif
198 int no_quit = 0;
199 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
200 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
201 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
202 int win2k_install_hack = 0;
203 int rtc_td_hack = 0;
204 int usb_enabled = 0;
205 int singlestep = 0;
206 int smp_cpus = 1;
207 int max_cpus = 0;
208 int smp_cores = 1;
209 int smp_threads = 1;
210 #ifdef CONFIG_VNC
211 const char *vnc_display;
212 #endif
213 int acpi_enabled = 1;
214 int no_hpet = 0;
215 int fd_bootchk = 1;
216 int no_reboot = 0;
217 int no_shutdown = 0;
218 int cursor_hide = 1;
219 int graphic_rotate = 0;
220 uint8_t irq0override = 1;
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_vga = 1;
274 static int default_floppy = 1;
275 static int default_cdrom = 1;
276 static int default_sdcard = 1;
277
278 static struct {
279 const char *driver;
280 int *flag;
281 } default_list[] = {
282 { .driver = "isa-serial", .flag = &default_serial },
283 { .driver = "isa-parallel", .flag = &default_parallel },
284 { .driver = "isa-fdc", .flag = &default_floppy },
285 { .driver = "ide-cd", .flag = &default_cdrom },
286 { .driver = "ide-hd", .flag = &default_cdrom },
287 { .driver = "ide-drive", .flag = &default_cdrom },
288 { .driver = "scsi-cd", .flag = &default_cdrom },
289 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
290 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
291 { .driver = "virtio-serial", .flag = &default_virtcon },
292 { .driver = "VGA", .flag = &default_vga },
293 { .driver = "cirrus-vga", .flag = &default_vga },
294 { .driver = "vmware-svga", .flag = &default_vga },
295 { .driver = "isa-vga", .flag = &default_vga },
296 { .driver = "qxl-vga", .flag = &default_vga },
297 };
298
299 static void res_free(void)
300 {
301 if (boot_splash_filedata != NULL) {
302 g_free(boot_splash_filedata);
303 boot_splash_filedata = NULL;
304 }
305 }
306
307 static int default_driver_check(QemuOpts *opts, void *opaque)
308 {
309 const char *driver = qemu_opt_get(opts, "driver");
310 int i;
311
312 if (!driver)
313 return 0;
314 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
315 if (strcmp(default_list[i].driver, driver) != 0)
316 continue;
317 *(default_list[i].flag) = 0;
318 }
319 return 0;
320 }
321
322 /***********************************************************/
323 /* QEMU state */
324
325 static RunState current_run_state = RUN_STATE_PRELAUNCH;
326
327 typedef struct {
328 RunState from;
329 RunState to;
330 } RunStateTransition;
331
332 static const RunStateTransition runstate_transitions_def[] = {
333 /* from -> to */
334 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
335
336 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
337 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
338
339 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
340 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
341
342 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
343 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
344
345 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
346 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
347
348 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
349 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
350
351 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
352 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
353 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
354
355 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
356 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
357
358 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
359
360 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
361 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
362 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
363 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
364 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
365 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
366 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
367 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
368 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
369
370 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
371
372 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
373 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
374
375 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
376 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
377
378 { RUN_STATE_MAX, RUN_STATE_MAX },
379 };
380
381 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
382
383 bool runstate_check(RunState state)
384 {
385 return current_run_state == state;
386 }
387
388 void runstate_init(void)
389 {
390 const RunStateTransition *p;
391
392 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
393
394 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
395 runstate_valid_transitions[p->from][p->to] = true;
396 }
397 }
398
399 /* This function will abort() on invalid state transitions */
400 void runstate_set(RunState new_state)
401 {
402 assert(new_state < RUN_STATE_MAX);
403
404 if (!runstate_valid_transitions[current_run_state][new_state]) {
405 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
406 RunState_lookup[current_run_state],
407 RunState_lookup[new_state]);
408 abort();
409 }
410
411 current_run_state = new_state;
412 }
413
414 int runstate_is_running(void)
415 {
416 return runstate_check(RUN_STATE_RUNNING);
417 }
418
419 StatusInfo *qmp_query_status(Error **errp)
420 {
421 StatusInfo *info = g_malloc0(sizeof(*info));
422
423 info->running = runstate_is_running();
424 info->singlestep = singlestep;
425 info->status = current_run_state;
426
427 return info;
428 }
429
430 /***********************************************************/
431 /* real time host monotonic timer */
432
433 /***********************************************************/
434 /* host time/date access */
435 void qemu_get_timedate(struct tm *tm, int offset)
436 {
437 time_t ti;
438 struct tm *ret;
439
440 time(&ti);
441 ti += offset;
442 if (rtc_date_offset == -1) {
443 if (rtc_utc)
444 ret = gmtime(&ti);
445 else
446 ret = localtime(&ti);
447 } else {
448 ti -= rtc_date_offset;
449 ret = gmtime(&ti);
450 }
451
452 memcpy(tm, ret, sizeof(struct tm));
453 }
454
455 int qemu_timedate_diff(struct tm *tm)
456 {
457 time_t seconds;
458
459 if (rtc_date_offset == -1)
460 if (rtc_utc)
461 seconds = mktimegm(tm);
462 else
463 seconds = mktime(tm);
464 else
465 seconds = mktimegm(tm) + rtc_date_offset;
466
467 return seconds - time(NULL);
468 }
469
470 void rtc_change_mon_event(struct tm *tm)
471 {
472 QObject *data;
473
474 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
475 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
476 qobject_decref(data);
477 }
478
479 static void configure_rtc_date_offset(const char *startdate, int legacy)
480 {
481 time_t rtc_start_date;
482 struct tm tm;
483
484 if (!strcmp(startdate, "now") && legacy) {
485 rtc_date_offset = -1;
486 } else {
487 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
488 &tm.tm_year,
489 &tm.tm_mon,
490 &tm.tm_mday,
491 &tm.tm_hour,
492 &tm.tm_min,
493 &tm.tm_sec) == 6) {
494 /* OK */
495 } else if (sscanf(startdate, "%d-%d-%d",
496 &tm.tm_year,
497 &tm.tm_mon,
498 &tm.tm_mday) == 3) {
499 tm.tm_hour = 0;
500 tm.tm_min = 0;
501 tm.tm_sec = 0;
502 } else {
503 goto date_fail;
504 }
505 tm.tm_year -= 1900;
506 tm.tm_mon--;
507 rtc_start_date = mktimegm(&tm);
508 if (rtc_start_date == -1) {
509 date_fail:
510 fprintf(stderr, "Invalid date format. Valid formats are:\n"
511 "'2006-06-17T16:01:21' or '2006-06-17'\n");
512 exit(1);
513 }
514 rtc_date_offset = time(NULL) - rtc_start_date;
515 }
516 }
517
518 static void configure_rtc(QemuOpts *opts)
519 {
520 const char *value;
521
522 value = qemu_opt_get(opts, "base");
523 if (value) {
524 if (!strcmp(value, "utc")) {
525 rtc_utc = 1;
526 } else if (!strcmp(value, "localtime")) {
527 rtc_utc = 0;
528 } else {
529 configure_rtc_date_offset(value, 0);
530 }
531 }
532 value = qemu_opt_get(opts, "clock");
533 if (value) {
534 if (!strcmp(value, "host")) {
535 rtc_clock = host_clock;
536 } else if (!strcmp(value, "vm")) {
537 rtc_clock = vm_clock;
538 } else {
539 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
540 exit(1);
541 }
542 }
543 value = qemu_opt_get(opts, "driftfix");
544 if (value) {
545 if (!strcmp(value, "slew")) {
546 rtc_td_hack = 1;
547 } else if (!strcmp(value, "none")) {
548 rtc_td_hack = 0;
549 } else {
550 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
551 exit(1);
552 }
553 }
554 }
555
556 /***********************************************************/
557 /* Bluetooth support */
558 static int nb_hcis;
559 static int cur_hci;
560 static struct HCIInfo *hci_table[MAX_NICS];
561
562 static struct bt_vlan_s {
563 struct bt_scatternet_s net;
564 int id;
565 struct bt_vlan_s *next;
566 } *first_bt_vlan;
567
568 /* find or alloc a new bluetooth "VLAN" */
569 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
570 {
571 struct bt_vlan_s **pvlan, *vlan;
572 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
573 if (vlan->id == id)
574 return &vlan->net;
575 }
576 vlan = g_malloc0(sizeof(struct bt_vlan_s));
577 vlan->id = id;
578 pvlan = &first_bt_vlan;
579 while (*pvlan != NULL)
580 pvlan = &(*pvlan)->next;
581 *pvlan = vlan;
582 return &vlan->net;
583 }
584
585 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
586 {
587 }
588
589 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
590 {
591 return -ENOTSUP;
592 }
593
594 static struct HCIInfo null_hci = {
595 .cmd_send = null_hci_send,
596 .sco_send = null_hci_send,
597 .acl_send = null_hci_send,
598 .bdaddr_set = null_hci_addr_set,
599 };
600
601 struct HCIInfo *qemu_next_hci(void)
602 {
603 if (cur_hci == nb_hcis)
604 return &null_hci;
605
606 return hci_table[cur_hci++];
607 }
608
609 static struct HCIInfo *hci_init(const char *str)
610 {
611 char *endp;
612 struct bt_scatternet_s *vlan = 0;
613
614 if (!strcmp(str, "null"))
615 /* null */
616 return &null_hci;
617 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
618 /* host[:hciN] */
619 return bt_host_hci(str[4] ? str + 5 : "hci0");
620 else if (!strncmp(str, "hci", 3)) {
621 /* hci[,vlan=n] */
622 if (str[3]) {
623 if (!strncmp(str + 3, ",vlan=", 6)) {
624 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
625 if (*endp)
626 vlan = 0;
627 }
628 } else
629 vlan = qemu_find_bt_vlan(0);
630 if (vlan)
631 return bt_new_hci(vlan);
632 }
633
634 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
635
636 return 0;
637 }
638
639 static int bt_hci_parse(const char *str)
640 {
641 struct HCIInfo *hci;
642 bdaddr_t bdaddr;
643
644 if (nb_hcis >= MAX_NICS) {
645 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
646 return -1;
647 }
648
649 hci = hci_init(str);
650 if (!hci)
651 return -1;
652
653 bdaddr.b[0] = 0x52;
654 bdaddr.b[1] = 0x54;
655 bdaddr.b[2] = 0x00;
656 bdaddr.b[3] = 0x12;
657 bdaddr.b[4] = 0x34;
658 bdaddr.b[5] = 0x56 + nb_hcis;
659 hci->bdaddr_set(hci, bdaddr.b);
660
661 hci_table[nb_hcis++] = hci;
662
663 return 0;
664 }
665
666 static void bt_vhci_add(int vlan_id)
667 {
668 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
669
670 if (!vlan->slave)
671 fprintf(stderr, "qemu: warning: adding a VHCI to "
672 "an empty scatternet %i\n", vlan_id);
673
674 bt_vhci_init(bt_new_hci(vlan));
675 }
676
677 static struct bt_device_s *bt_device_add(const char *opt)
678 {
679 struct bt_scatternet_s *vlan;
680 int vlan_id = 0;
681 char *endp = strstr(opt, ",vlan=");
682 int len = (endp ? endp - opt : strlen(opt)) + 1;
683 char devname[10];
684
685 pstrcpy(devname, MIN(sizeof(devname), len), opt);
686
687 if (endp) {
688 vlan_id = strtol(endp + 6, &endp, 0);
689 if (*endp) {
690 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
691 return 0;
692 }
693 }
694
695 vlan = qemu_find_bt_vlan(vlan_id);
696
697 if (!vlan->slave)
698 fprintf(stderr, "qemu: warning: adding a slave device to "
699 "an empty scatternet %i\n", vlan_id);
700
701 if (!strcmp(devname, "keyboard"))
702 return bt_keyboard_init(vlan);
703
704 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
705 return 0;
706 }
707
708 static int bt_parse(const char *opt)
709 {
710 const char *endp, *p;
711 int vlan;
712
713 if (strstart(opt, "hci", &endp)) {
714 if (!*endp || *endp == ',') {
715 if (*endp)
716 if (!strstart(endp, ",vlan=", 0))
717 opt = endp + 1;
718
719 return bt_hci_parse(opt);
720 }
721 } else if (strstart(opt, "vhci", &endp)) {
722 if (!*endp || *endp == ',') {
723 if (*endp) {
724 if (strstart(endp, ",vlan=", &p)) {
725 vlan = strtol(p, (char **) &endp, 0);
726 if (*endp) {
727 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
728 return 1;
729 }
730 } else {
731 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
732 return 1;
733 }
734 } else
735 vlan = 0;
736
737 bt_vhci_add(vlan);
738 return 0;
739 }
740 } else if (strstart(opt, "device:", &endp))
741 return !bt_device_add(endp);
742
743 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
744 return 1;
745 }
746
747 /***********************************************************/
748 /* QEMU Block devices */
749
750 #define HD_OPTS "media=disk"
751 #define CDROM_OPTS "media=cdrom"
752 #define FD_OPTS ""
753 #define PFLASH_OPTS ""
754 #define MTD_OPTS ""
755 #define SD_OPTS ""
756
757 static int drive_init_func(QemuOpts *opts, void *opaque)
758 {
759 int *use_scsi = opaque;
760
761 return drive_init(opts, *use_scsi) == NULL;
762 }
763
764 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
765 {
766 if (NULL == qemu_opt_get(opts, "snapshot")) {
767 qemu_opt_set(opts, "snapshot", "on");
768 }
769 return 0;
770 }
771
772 static void default_drive(int enable, int snapshot, int use_scsi,
773 BlockInterfaceType type, int index,
774 const char *optstr)
775 {
776 QemuOpts *opts;
777
778 if (type == IF_DEFAULT) {
779 type = use_scsi ? IF_SCSI : IF_IDE;
780 }
781
782 if (!enable || drive_get_by_index(type, index)) {
783 return;
784 }
785
786 opts = drive_add(type, index, NULL, optstr);
787 if (snapshot) {
788 drive_enable_snapshot(opts, NULL);
789 }
790 if (!drive_init(opts, use_scsi)) {
791 exit(1);
792 }
793 }
794
795 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
796 {
797 boot_set_handler = func;
798 boot_set_opaque = opaque;
799 }
800
801 int qemu_boot_set(const char *boot_devices)
802 {
803 if (!boot_set_handler) {
804 return -EINVAL;
805 }
806 return boot_set_handler(boot_set_opaque, boot_devices);
807 }
808
809 static void validate_bootdevices(char *devices)
810 {
811 /* We just do some generic consistency checks */
812 const char *p;
813 int bitmap = 0;
814
815 for (p = devices; *p != '\0'; p++) {
816 /* Allowed boot devices are:
817 * a-b: floppy disk drives
818 * c-f: IDE disk drives
819 * g-m: machine implementation dependant drives
820 * n-p: network devices
821 * It's up to each machine implementation to check if the given boot
822 * devices match the actual hardware implementation and firmware
823 * features.
824 */
825 if (*p < 'a' || *p > 'p') {
826 fprintf(stderr, "Invalid boot device '%c'\n", *p);
827 exit(1);
828 }
829 if (bitmap & (1 << (*p - 'a'))) {
830 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
831 exit(1);
832 }
833 bitmap |= 1 << (*p - 'a');
834 }
835 }
836
837 static void restore_boot_devices(void *opaque)
838 {
839 char *standard_boot_devices = opaque;
840 static int first = 1;
841
842 /* Restore boot order and remove ourselves after the first boot */
843 if (first) {
844 first = 0;
845 return;
846 }
847
848 qemu_boot_set(standard_boot_devices);
849
850 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
851 g_free(standard_boot_devices);
852 }
853
854 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
855 const char *suffix)
856 {
857 FWBootEntry *node, *i;
858
859 if (bootindex < 0) {
860 return;
861 }
862
863 assert(dev != NULL || suffix != NULL);
864
865 node = g_malloc0(sizeof(FWBootEntry));
866 node->bootindex = bootindex;
867 node->suffix = suffix ? g_strdup(suffix) : NULL;
868 node->dev = dev;
869
870 QTAILQ_FOREACH(i, &fw_boot_order, link) {
871 if (i->bootindex == bootindex) {
872 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
873 exit(1);
874 } else if (i->bootindex < bootindex) {
875 continue;
876 }
877 QTAILQ_INSERT_BEFORE(i, node, link);
878 return;
879 }
880 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
881 }
882
883 /*
884 * This function returns null terminated string that consist of new line
885 * separated device paths.
886 *
887 * memory pointed by "size" is assigned total length of the array in bytes
888 *
889 */
890 char *get_boot_devices_list(uint32_t *size)
891 {
892 FWBootEntry *i;
893 uint32_t total = 0;
894 char *list = NULL;
895
896 QTAILQ_FOREACH(i, &fw_boot_order, link) {
897 char *devpath = NULL, *bootpath;
898 int len;
899
900 if (i->dev) {
901 devpath = qdev_get_fw_dev_path(i->dev);
902 assert(devpath);
903 }
904
905 if (i->suffix && devpath) {
906 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
907
908 bootpath = g_malloc(bootpathlen);
909 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
910 g_free(devpath);
911 } else if (devpath) {
912 bootpath = devpath;
913 } else {
914 bootpath = g_strdup(i->suffix);
915 assert(bootpath);
916 }
917
918 if (total) {
919 list[total-1] = '\n';
920 }
921 len = strlen(bootpath) + 1;
922 list = g_realloc(list, total + len);
923 memcpy(&list[total], bootpath, len);
924 total += len;
925 g_free(bootpath);
926 }
927
928 *size = total;
929
930 return list;
931 }
932
933 static void numa_add(const char *optarg)
934 {
935 char option[128];
936 char *endptr;
937 unsigned long long value, endvalue;
938 int nodenr;
939
940 optarg = get_opt_name(option, 128, optarg, ',') + 1;
941 if (!strcmp(option, "node")) {
942 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
943 nodenr = nb_numa_nodes;
944 } else {
945 nodenr = strtoull(option, NULL, 10);
946 }
947
948 if (get_param_value(option, 128, "mem", optarg) == 0) {
949 node_mem[nodenr] = 0;
950 } else {
951 int64_t sval;
952 sval = strtosz(option, NULL);
953 if (sval < 0) {
954 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
955 exit(1);
956 }
957 node_mem[nodenr] = sval;
958 }
959 if (get_param_value(option, 128, "cpus", optarg) == 0) {
960 node_cpumask[nodenr] = 0;
961 } else {
962 value = strtoull(option, &endptr, 10);
963 if (value >= 64) {
964 value = 63;
965 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
966 } else {
967 if (*endptr == '-') {
968 endvalue = strtoull(endptr+1, &endptr, 10);
969 if (endvalue >= 63) {
970 endvalue = 62;
971 fprintf(stderr,
972 "only 63 CPUs in NUMA mode supported.\n");
973 }
974 value = (2ULL << endvalue) - (1ULL << value);
975 } else {
976 value = 1ULL << value;
977 }
978 }
979 node_cpumask[nodenr] = value;
980 }
981 nb_numa_nodes++;
982 }
983 return;
984 }
985
986 static void smp_parse(const char *optarg)
987 {
988 int smp, sockets = 0, threads = 0, cores = 0;
989 char *endptr;
990 char option[128];
991
992 smp = strtoul(optarg, &endptr, 10);
993 if (endptr != optarg) {
994 if (*endptr == ',') {
995 endptr++;
996 }
997 }
998 if (get_param_value(option, 128, "sockets", endptr) != 0)
999 sockets = strtoull(option, NULL, 10);
1000 if (get_param_value(option, 128, "cores", endptr) != 0)
1001 cores = strtoull(option, NULL, 10);
1002 if (get_param_value(option, 128, "threads", endptr) != 0)
1003 threads = strtoull(option, NULL, 10);
1004 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1005 max_cpus = strtoull(option, NULL, 10);
1006
1007 /* compute missing values, prefer sockets over cores over threads */
1008 if (smp == 0 || sockets == 0) {
1009 sockets = sockets > 0 ? sockets : 1;
1010 cores = cores > 0 ? cores : 1;
1011 threads = threads > 0 ? threads : 1;
1012 if (smp == 0) {
1013 smp = cores * threads * sockets;
1014 }
1015 } else {
1016 if (cores == 0) {
1017 threads = threads > 0 ? threads : 1;
1018 cores = smp / (sockets * threads);
1019 } else {
1020 threads = smp / (cores * sockets);
1021 }
1022 }
1023 smp_cpus = smp;
1024 smp_cores = cores > 0 ? cores : 1;
1025 smp_threads = threads > 0 ? threads : 1;
1026 if (max_cpus == 0)
1027 max_cpus = smp_cpus;
1028 }
1029
1030 /***********************************************************/
1031 /* USB devices */
1032
1033 static int usb_device_add(const char *devname)
1034 {
1035 const char *p;
1036 USBDevice *dev = NULL;
1037
1038 if (!usb_enabled)
1039 return -1;
1040
1041 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1042 dev = usbdevice_create(devname);
1043 if (dev)
1044 goto done;
1045
1046 /* the other ones */
1047 #ifndef CONFIG_LINUX
1048 /* only the linux version is qdev-ified, usb-bsd still needs this */
1049 if (strstart(devname, "host:", &p)) {
1050 dev = usb_host_device_open(p);
1051 } else
1052 #endif
1053 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1054 dev = usb_bt_init(devname[2] ? hci_init(p) :
1055 bt_new_hci(qemu_find_bt_vlan(0)));
1056 } else {
1057 return -1;
1058 }
1059 if (!dev)
1060 return -1;
1061
1062 done:
1063 return 0;
1064 }
1065
1066 static int usb_device_del(const char *devname)
1067 {
1068 int bus_num, addr;
1069 const char *p;
1070
1071 if (strstart(devname, "host:", &p))
1072 return usb_host_device_close(p);
1073
1074 if (!usb_enabled)
1075 return -1;
1076
1077 p = strchr(devname, '.');
1078 if (!p)
1079 return -1;
1080 bus_num = strtoul(devname, NULL, 0);
1081 addr = strtoul(p + 1, NULL, 0);
1082
1083 return usb_device_delete_addr(bus_num, addr);
1084 }
1085
1086 static int usb_parse(const char *cmdline)
1087 {
1088 int r;
1089 r = usb_device_add(cmdline);
1090 if (r < 0) {
1091 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1092 }
1093 return r;
1094 }
1095
1096 void do_usb_add(Monitor *mon, const QDict *qdict)
1097 {
1098 const char *devname = qdict_get_str(qdict, "devname");
1099 if (usb_device_add(devname) < 0) {
1100 error_report("could not add USB device '%s'", devname);
1101 }
1102 }
1103
1104 void do_usb_del(Monitor *mon, const QDict *qdict)
1105 {
1106 const char *devname = qdict_get_str(qdict, "devname");
1107 if (usb_device_del(devname) < 0) {
1108 error_report("could not delete USB device '%s'", devname);
1109 }
1110 }
1111
1112 /***********************************************************/
1113 /* PCMCIA/Cardbus */
1114
1115 static struct pcmcia_socket_entry_s {
1116 PCMCIASocket *socket;
1117 struct pcmcia_socket_entry_s *next;
1118 } *pcmcia_sockets = 0;
1119
1120 void pcmcia_socket_register(PCMCIASocket *socket)
1121 {
1122 struct pcmcia_socket_entry_s *entry;
1123
1124 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1125 entry->socket = socket;
1126 entry->next = pcmcia_sockets;
1127 pcmcia_sockets = entry;
1128 }
1129
1130 void pcmcia_socket_unregister(PCMCIASocket *socket)
1131 {
1132 struct pcmcia_socket_entry_s *entry, **ptr;
1133
1134 ptr = &pcmcia_sockets;
1135 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1136 if (entry->socket == socket) {
1137 *ptr = entry->next;
1138 g_free(entry);
1139 }
1140 }
1141
1142 void pcmcia_info(Monitor *mon)
1143 {
1144 struct pcmcia_socket_entry_s *iter;
1145
1146 if (!pcmcia_sockets)
1147 monitor_printf(mon, "No PCMCIA sockets\n");
1148
1149 for (iter = pcmcia_sockets; iter; iter = iter->next)
1150 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1151 iter->socket->attached ? iter->socket->card_string :
1152 "Empty");
1153 }
1154
1155 /***********************************************************/
1156 /* machine registration */
1157
1158 static QEMUMachine *first_machine = NULL;
1159 QEMUMachine *current_machine = NULL;
1160
1161 int qemu_register_machine(QEMUMachine *m)
1162 {
1163 QEMUMachine **pm;
1164 pm = &first_machine;
1165 while (*pm != NULL)
1166 pm = &(*pm)->next;
1167 m->next = NULL;
1168 *pm = m;
1169 return 0;
1170 }
1171
1172 static QEMUMachine *find_machine(const char *name)
1173 {
1174 QEMUMachine *m;
1175
1176 for(m = first_machine; m != NULL; m = m->next) {
1177 if (!strcmp(m->name, name))
1178 return m;
1179 if (m->alias && !strcmp(m->alias, name))
1180 return m;
1181 }
1182 return NULL;
1183 }
1184
1185 static QEMUMachine *find_default_machine(void)
1186 {
1187 QEMUMachine *m;
1188
1189 for(m = first_machine; m != NULL; m = m->next) {
1190 if (m->is_default) {
1191 return m;
1192 }
1193 }
1194 return NULL;
1195 }
1196
1197 /***********************************************************/
1198 /* main execution loop */
1199
1200 static void gui_update(void *opaque)
1201 {
1202 uint64_t interval = GUI_REFRESH_INTERVAL;
1203 DisplayState *ds = opaque;
1204 DisplayChangeListener *dcl = ds->listeners;
1205
1206 dpy_refresh(ds);
1207
1208 while (dcl != NULL) {
1209 if (dcl->gui_timer_interval &&
1210 dcl->gui_timer_interval < interval)
1211 interval = dcl->gui_timer_interval;
1212 dcl = dcl->next;
1213 }
1214 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1215 }
1216
1217 struct vm_change_state_entry {
1218 VMChangeStateHandler *cb;
1219 void *opaque;
1220 QLIST_ENTRY (vm_change_state_entry) entries;
1221 };
1222
1223 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1224
1225 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1226 void *opaque)
1227 {
1228 VMChangeStateEntry *e;
1229
1230 e = g_malloc0(sizeof (*e));
1231
1232 e->cb = cb;
1233 e->opaque = opaque;
1234 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1235 return e;
1236 }
1237
1238 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1239 {
1240 QLIST_REMOVE (e, entries);
1241 g_free (e);
1242 }
1243
1244 void vm_state_notify(int running, RunState state)
1245 {
1246 VMChangeStateEntry *e;
1247
1248 trace_vm_state_notify(running, state);
1249
1250 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1251 e->cb(e->opaque, running, state);
1252 }
1253 }
1254
1255 void vm_start(void)
1256 {
1257 if (!runstate_is_running()) {
1258 cpu_enable_ticks();
1259 runstate_set(RUN_STATE_RUNNING);
1260 vm_state_notify(1, RUN_STATE_RUNNING);
1261 resume_all_vcpus();
1262 monitor_protocol_event(QEVENT_RESUME, NULL);
1263 }
1264 }
1265
1266 /* reset/shutdown handler */
1267
1268 typedef struct QEMUResetEntry {
1269 QTAILQ_ENTRY(QEMUResetEntry) entry;
1270 QEMUResetHandler *func;
1271 void *opaque;
1272 } QEMUResetEntry;
1273
1274 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1275 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1276 static int reset_requested;
1277 static int shutdown_requested, shutdown_signal = -1;
1278 static pid_t shutdown_pid;
1279 static int powerdown_requested;
1280 static int debug_requested;
1281 static RunState vmstop_requested = RUN_STATE_MAX;
1282
1283 int qemu_shutdown_requested_get(void)
1284 {
1285 return shutdown_requested;
1286 }
1287
1288 int qemu_reset_requested_get(void)
1289 {
1290 return reset_requested;
1291 }
1292
1293 int qemu_shutdown_requested(void)
1294 {
1295 int r = shutdown_requested;
1296 shutdown_requested = 0;
1297 return r;
1298 }
1299
1300 void qemu_kill_report(void)
1301 {
1302 if (shutdown_signal != -1) {
1303 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1304 if (shutdown_pid == 0) {
1305 /* This happens for eg ^C at the terminal, so it's worth
1306 * avoiding printing an odd message in that case.
1307 */
1308 fputc('\n', stderr);
1309 } else {
1310 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1311 }
1312 shutdown_signal = -1;
1313 }
1314 }
1315
1316 int qemu_reset_requested(void)
1317 {
1318 int r = reset_requested;
1319 reset_requested = 0;
1320 return r;
1321 }
1322
1323 int qemu_powerdown_requested(void)
1324 {
1325 int r = powerdown_requested;
1326 powerdown_requested = 0;
1327 return r;
1328 }
1329
1330 static int qemu_debug_requested(void)
1331 {
1332 int r = debug_requested;
1333 debug_requested = 0;
1334 return r;
1335 }
1336
1337 /* We use RUN_STATE_MAX but any invalid value will do */
1338 static bool qemu_vmstop_requested(RunState *r)
1339 {
1340 if (vmstop_requested < RUN_STATE_MAX) {
1341 *r = vmstop_requested;
1342 vmstop_requested = RUN_STATE_MAX;
1343 return true;
1344 }
1345
1346 return false;
1347 }
1348
1349 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1350 {
1351 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1352
1353 re->func = func;
1354 re->opaque = opaque;
1355 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1356 }
1357
1358 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1359 {
1360 QEMUResetEntry *re;
1361
1362 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1363 if (re->func == func && re->opaque == opaque) {
1364 QTAILQ_REMOVE(&reset_handlers, re, entry);
1365 g_free(re);
1366 return;
1367 }
1368 }
1369 }
1370
1371 void qemu_system_reset(bool report)
1372 {
1373 QEMUResetEntry *re, *nre;
1374
1375 /* reset all devices */
1376 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1377 re->func(re->opaque);
1378 }
1379 if (report) {
1380 monitor_protocol_event(QEVENT_RESET, NULL);
1381 }
1382 cpu_synchronize_all_post_reset();
1383 }
1384
1385 void qemu_system_reset_request(void)
1386 {
1387 if (no_reboot) {
1388 shutdown_requested = 1;
1389 } else {
1390 reset_requested = 1;
1391 }
1392 cpu_stop_current();
1393 qemu_notify_event();
1394 }
1395
1396 void qemu_system_killed(int signal, pid_t pid)
1397 {
1398 shutdown_signal = signal;
1399 shutdown_pid = pid;
1400 no_shutdown = 0;
1401 qemu_system_shutdown_request();
1402 }
1403
1404 void qemu_system_shutdown_request(void)
1405 {
1406 shutdown_requested = 1;
1407 qemu_notify_event();
1408 }
1409
1410 void qemu_system_powerdown_request(void)
1411 {
1412 powerdown_requested = 1;
1413 qemu_notify_event();
1414 }
1415
1416 void qemu_system_debug_request(void)
1417 {
1418 debug_requested = 1;
1419 qemu_notify_event();
1420 }
1421
1422 void qemu_system_vmstop_request(RunState state)
1423 {
1424 vmstop_requested = state;
1425 qemu_notify_event();
1426 }
1427
1428 static GPollFD poll_fds[1024 * 2]; /* this is probably overkill */
1429 static int n_poll_fds;
1430 static int max_priority;
1431
1432 static void glib_select_fill(int *max_fd, fd_set *rfds, fd_set *wfds,
1433 fd_set *xfds, struct timeval *tv)
1434 {
1435 GMainContext *context = g_main_context_default();
1436 int i;
1437 int timeout = 0, cur_timeout;
1438
1439 g_main_context_prepare(context, &max_priority);
1440
1441 n_poll_fds = g_main_context_query(context, max_priority, &timeout,
1442 poll_fds, ARRAY_SIZE(poll_fds));
1443 g_assert(n_poll_fds <= ARRAY_SIZE(poll_fds));
1444
1445 for (i = 0; i < n_poll_fds; i++) {
1446 GPollFD *p = &poll_fds[i];
1447
1448 if ((p->events & G_IO_IN)) {
1449 FD_SET(p->fd, rfds);
1450 *max_fd = MAX(*max_fd, p->fd);
1451 }
1452 if ((p->events & G_IO_OUT)) {
1453 FD_SET(p->fd, wfds);
1454 *max_fd = MAX(*max_fd, p->fd);
1455 }
1456 if ((p->events & G_IO_ERR)) {
1457 FD_SET(p->fd, xfds);
1458 *max_fd = MAX(*max_fd, p->fd);
1459 }
1460 }
1461
1462 cur_timeout = (tv->tv_sec * 1000) + ((tv->tv_usec + 500) / 1000);
1463 if (timeout >= 0 && timeout < cur_timeout) {
1464 tv->tv_sec = timeout / 1000;
1465 tv->tv_usec = (timeout % 1000) * 1000;
1466 }
1467 }
1468
1469 static void glib_select_poll(fd_set *rfds, fd_set *wfds, fd_set *xfds,
1470 bool err)
1471 {
1472 GMainContext *context = g_main_context_default();
1473
1474 if (!err) {
1475 int i;
1476
1477 for (i = 0; i < n_poll_fds; i++) {
1478 GPollFD *p = &poll_fds[i];
1479
1480 if ((p->events & G_IO_IN) && FD_ISSET(p->fd, rfds)) {
1481 p->revents |= G_IO_IN;
1482 }
1483 if ((p->events & G_IO_OUT) && FD_ISSET(p->fd, wfds)) {
1484 p->revents |= G_IO_OUT;
1485 }
1486 if ((p->events & G_IO_ERR) && FD_ISSET(p->fd, xfds)) {
1487 p->revents |= G_IO_ERR;
1488 }
1489 }
1490 }
1491
1492 if (g_main_context_check(context, max_priority, poll_fds, n_poll_fds)) {
1493 g_main_context_dispatch(context);
1494 }
1495 }
1496
1497 int main_loop_wait(int nonblocking)
1498 {
1499 fd_set rfds, wfds, xfds;
1500 int ret, nfds;
1501 struct timeval tv;
1502 int timeout;
1503
1504 if (nonblocking)
1505 timeout = 0;
1506 else {
1507 timeout = qemu_calculate_timeout();
1508 qemu_bh_update_timeout(&timeout);
1509 }
1510
1511 os_host_main_loop_wait(&timeout);
1512
1513 tv.tv_sec = timeout / 1000;
1514 tv.tv_usec = (timeout % 1000) * 1000;
1515
1516 /* poll any events */
1517 /* XXX: separate device handlers from system ones */
1518 nfds = -1;
1519 FD_ZERO(&rfds);
1520 FD_ZERO(&wfds);
1521 FD_ZERO(&xfds);
1522
1523 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1524 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1525 glib_select_fill(&nfds, &rfds, &wfds, &xfds, &tv);
1526
1527 if (timeout > 0) {
1528 qemu_mutex_unlock_iothread();
1529 }
1530
1531 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1532
1533 if (timeout > 0) {
1534 qemu_mutex_lock_iothread();
1535 }
1536
1537 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1538 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1539 glib_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1540
1541 qemu_run_all_timers();
1542
1543 /* Check bottom-halves last in case any of the earlier events triggered
1544 them. */
1545 qemu_bh_poll();
1546
1547 return ret;
1548 }
1549
1550 qemu_irq qemu_system_powerdown;
1551
1552 static void main_loop(void)
1553 {
1554 bool nonblocking;
1555 int last_io __attribute__ ((unused)) = 0;
1556 #ifdef CONFIG_PROFILER
1557 int64_t ti;
1558 #endif
1559 RunState r;
1560
1561 qemu_main_loop_start();
1562
1563 for (;;) {
1564 nonblocking = !kvm_enabled() && last_io > 0;
1565 #ifdef CONFIG_PROFILER
1566 ti = profile_getclock();
1567 #endif
1568 last_io = main_loop_wait(nonblocking);
1569 #ifdef CONFIG_PROFILER
1570 dev_time += profile_getclock() - ti;
1571 #endif
1572
1573 if (qemu_debug_requested()) {
1574 vm_stop(RUN_STATE_DEBUG);
1575 }
1576 if (qemu_shutdown_requested()) {
1577 qemu_kill_report();
1578 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1579 if (no_shutdown) {
1580 vm_stop(RUN_STATE_SHUTDOWN);
1581 } else
1582 break;
1583 }
1584 if (qemu_reset_requested()) {
1585 pause_all_vcpus();
1586 cpu_synchronize_all_states();
1587 qemu_system_reset(VMRESET_REPORT);
1588 resume_all_vcpus();
1589 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1590 runstate_check(RUN_STATE_SHUTDOWN)) {
1591 runstate_set(RUN_STATE_PAUSED);
1592 }
1593 }
1594 if (qemu_powerdown_requested()) {
1595 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1596 qemu_irq_raise(qemu_system_powerdown);
1597 }
1598 if (qemu_vmstop_requested(&r)) {
1599 vm_stop(r);
1600 }
1601 }
1602 bdrv_close_all();
1603 pause_all_vcpus();
1604 }
1605
1606 static void version(void)
1607 {
1608 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1609 }
1610
1611 static void help(int exitcode)
1612 {
1613 const char *options_help =
1614 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1615 opt_help
1616 #define DEFHEADING(text) stringify(text) "\n"
1617 #include "qemu-options.def"
1618 #undef DEF
1619 #undef DEFHEADING
1620 #undef GEN_DOCS
1621 ;
1622 version();
1623 printf("usage: %s [options] [disk_image]\n"
1624 "\n"
1625 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1626 "\n"
1627 "%s\n"
1628 "During emulation, the following keys are useful:\n"
1629 "ctrl-alt-f toggle full screen\n"
1630 "ctrl-alt-n switch to virtual console 'n'\n"
1631 "ctrl-alt toggle mouse and keyboard grab\n"
1632 "\n"
1633 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1634 "qemu",
1635 options_help);
1636 exit(exitcode);
1637 }
1638
1639 #define HAS_ARG 0x0001
1640
1641 typedef struct QEMUOption {
1642 const char *name;
1643 int flags;
1644 int index;
1645 uint32_t arch_mask;
1646 } QEMUOption;
1647
1648 static const QEMUOption qemu_options[] = {
1649 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1650 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1651 { option, opt_arg, opt_enum, arch_mask },
1652 #define DEFHEADING(text)
1653 #include "qemu-options.def"
1654 #undef DEF
1655 #undef DEFHEADING
1656 #undef GEN_DOCS
1657 { NULL },
1658 };
1659 static void select_vgahw (const char *p)
1660 {
1661 const char *opts;
1662
1663 default_vga = 0;
1664 vga_interface_type = VGA_NONE;
1665 if (strstart(p, "std", &opts)) {
1666 vga_interface_type = VGA_STD;
1667 } else if (strstart(p, "cirrus", &opts)) {
1668 vga_interface_type = VGA_CIRRUS;
1669 } else if (strstart(p, "vmware", &opts)) {
1670 vga_interface_type = VGA_VMWARE;
1671 } else if (strstart(p, "xenfb", &opts)) {
1672 vga_interface_type = VGA_XENFB;
1673 } else if (strstart(p, "qxl", &opts)) {
1674 vga_interface_type = VGA_QXL;
1675 } else if (!strstart(p, "none", &opts)) {
1676 invalid_vga:
1677 fprintf(stderr, "Unknown vga type: %s\n", p);
1678 exit(1);
1679 }
1680 while (*opts) {
1681 const char *nextopt;
1682
1683 if (strstart(opts, ",retrace=", &nextopt)) {
1684 opts = nextopt;
1685 if (strstart(opts, "dumb", &nextopt))
1686 vga_retrace_method = VGA_RETRACE_DUMB;
1687 else if (strstart(opts, "precise", &nextopt))
1688 vga_retrace_method = VGA_RETRACE_PRECISE;
1689 else goto invalid_vga;
1690 } else goto invalid_vga;
1691 opts = nextopt;
1692 }
1693 }
1694
1695 static DisplayType select_display(const char *p)
1696 {
1697 const char *opts;
1698 DisplayType display = DT_DEFAULT;
1699
1700 if (strstart(p, "sdl", &opts)) {
1701 #ifdef CONFIG_SDL
1702 display = DT_SDL;
1703 while (*opts) {
1704 const char *nextopt;
1705
1706 if (strstart(opts, ",frame=", &nextopt)) {
1707 opts = nextopt;
1708 if (strstart(opts, "on", &nextopt)) {
1709 no_frame = 0;
1710 } else if (strstart(opts, "off", &nextopt)) {
1711 no_frame = 1;
1712 } else {
1713 goto invalid_sdl_args;
1714 }
1715 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1716 opts = nextopt;
1717 if (strstart(opts, "on", &nextopt)) {
1718 alt_grab = 1;
1719 } else if (strstart(opts, "off", &nextopt)) {
1720 alt_grab = 0;
1721 } else {
1722 goto invalid_sdl_args;
1723 }
1724 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1725 opts = nextopt;
1726 if (strstart(opts, "on", &nextopt)) {
1727 ctrl_grab = 1;
1728 } else if (strstart(opts, "off", &nextopt)) {
1729 ctrl_grab = 0;
1730 } else {
1731 goto invalid_sdl_args;
1732 }
1733 } else if (strstart(opts, ",window_close=", &nextopt)) {
1734 opts = nextopt;
1735 if (strstart(opts, "on", &nextopt)) {
1736 no_quit = 0;
1737 } else if (strstart(opts, "off", &nextopt)) {
1738 no_quit = 1;
1739 } else {
1740 goto invalid_sdl_args;
1741 }
1742 } else {
1743 invalid_sdl_args:
1744 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1745 exit(1);
1746 }
1747 opts = nextopt;
1748 }
1749 #else
1750 fprintf(stderr, "SDL support is disabled\n");
1751 exit(1);
1752 #endif
1753 } else if (strstart(p, "vnc", &opts)) {
1754 #ifdef CONFIG_VNC
1755 display_remote++;
1756
1757 if (*opts) {
1758 const char *nextopt;
1759
1760 if (strstart(opts, "=", &nextopt)) {
1761 vnc_display = nextopt;
1762 }
1763 }
1764 if (!vnc_display) {
1765 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1766 exit(1);
1767 }
1768 #else
1769 fprintf(stderr, "VNC support is disabled\n");
1770 exit(1);
1771 #endif
1772 } else if (strstart(p, "curses", &opts)) {
1773 #ifdef CONFIG_CURSES
1774 display = DT_CURSES;
1775 #else
1776 fprintf(stderr, "Curses support is disabled\n");
1777 exit(1);
1778 #endif
1779 } else if (strstart(p, "none", &opts)) {
1780 display = DT_NONE;
1781 } else {
1782 fprintf(stderr, "Unknown display type: %s\n", p);
1783 exit(1);
1784 }
1785
1786 return display;
1787 }
1788
1789 static int balloon_parse(const char *arg)
1790 {
1791 QemuOpts *opts;
1792
1793 if (strcmp(arg, "none") == 0) {
1794 return 0;
1795 }
1796
1797 if (!strncmp(arg, "virtio", 6)) {
1798 if (arg[6] == ',') {
1799 /* have params -> parse them */
1800 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1801 if (!opts)
1802 return -1;
1803 } else {
1804 /* create empty opts */
1805 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1806 }
1807 qemu_opt_set(opts, "driver", "virtio-balloon");
1808 return 0;
1809 }
1810
1811 return -1;
1812 }
1813
1814 char *qemu_find_file(int type, const char *name)
1815 {
1816 int len;
1817 const char *subdir;
1818 char *buf;
1819
1820 /* If name contains path separators then try it as a straight path. */
1821 if ((strchr(name, '/') || strchr(name, '\\'))
1822 && access(name, R_OK) == 0) {
1823 return g_strdup(name);
1824 }
1825 switch (type) {
1826 case QEMU_FILE_TYPE_BIOS:
1827 subdir = "";
1828 break;
1829 case QEMU_FILE_TYPE_KEYMAP:
1830 subdir = "keymaps/";
1831 break;
1832 default:
1833 abort();
1834 }
1835 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1836 buf = g_malloc0(len);
1837 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1838 if (access(buf, R_OK)) {
1839 g_free(buf);
1840 return NULL;
1841 }
1842 return buf;
1843 }
1844
1845 static int device_help_func(QemuOpts *opts, void *opaque)
1846 {
1847 return qdev_device_help(opts);
1848 }
1849
1850 static int device_init_func(QemuOpts *opts, void *opaque)
1851 {
1852 DeviceState *dev;
1853
1854 dev = qdev_device_add(opts);
1855 if (!dev)
1856 return -1;
1857 return 0;
1858 }
1859
1860 static int chardev_init_func(QemuOpts *opts, void *opaque)
1861 {
1862 CharDriverState *chr;
1863
1864 chr = qemu_chr_new_from_opts(opts, NULL);
1865 if (!chr)
1866 return -1;
1867 return 0;
1868 }
1869
1870 #ifdef CONFIG_VIRTFS
1871 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1872 {
1873 int ret;
1874 ret = qemu_fsdev_add(opts);
1875
1876 return ret;
1877 }
1878 #endif
1879
1880 static int mon_init_func(QemuOpts *opts, void *opaque)
1881 {
1882 CharDriverState *chr;
1883 const char *chardev;
1884 const char *mode;
1885 int flags;
1886
1887 mode = qemu_opt_get(opts, "mode");
1888 if (mode == NULL) {
1889 mode = "readline";
1890 }
1891 if (strcmp(mode, "readline") == 0) {
1892 flags = MONITOR_USE_READLINE;
1893 } else if (strcmp(mode, "control") == 0) {
1894 flags = MONITOR_USE_CONTROL;
1895 } else {
1896 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1897 exit(1);
1898 }
1899
1900 if (qemu_opt_get_bool(opts, "pretty", 0))
1901 flags |= MONITOR_USE_PRETTY;
1902
1903 if (qemu_opt_get_bool(opts, "default", 0))
1904 flags |= MONITOR_IS_DEFAULT;
1905
1906 chardev = qemu_opt_get(opts, "chardev");
1907 chr = qemu_chr_find(chardev);
1908 if (chr == NULL) {
1909 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1910 exit(1);
1911 }
1912
1913 monitor_init(chr, flags);
1914 return 0;
1915 }
1916
1917 static void monitor_parse(const char *optarg, const char *mode)
1918 {
1919 static int monitor_device_index = 0;
1920 QemuOpts *opts;
1921 const char *p;
1922 char label[32];
1923 int def = 0;
1924
1925 if (strstart(optarg, "chardev:", &p)) {
1926 snprintf(label, sizeof(label), "%s", p);
1927 } else {
1928 snprintf(label, sizeof(label), "compat_monitor%d",
1929 monitor_device_index);
1930 if (monitor_device_index == 0) {
1931 def = 1;
1932 }
1933 opts = qemu_chr_parse_compat(label, optarg);
1934 if (!opts) {
1935 fprintf(stderr, "parse error: %s\n", optarg);
1936 exit(1);
1937 }
1938 }
1939
1940 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1941 if (!opts) {
1942 fprintf(stderr, "duplicate chardev: %s\n", label);
1943 exit(1);
1944 }
1945 qemu_opt_set(opts, "mode", mode);
1946 qemu_opt_set(opts, "chardev", label);
1947 if (def)
1948 qemu_opt_set(opts, "default", "on");
1949 monitor_device_index++;
1950 }
1951
1952 struct device_config {
1953 enum {
1954 DEV_USB, /* -usbdevice */
1955 DEV_BT, /* -bt */
1956 DEV_SERIAL, /* -serial */
1957 DEV_PARALLEL, /* -parallel */
1958 DEV_VIRTCON, /* -virtioconsole */
1959 DEV_DEBUGCON, /* -debugcon */
1960 } type;
1961 const char *cmdline;
1962 QTAILQ_ENTRY(device_config) next;
1963 };
1964 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1965
1966 static void add_device_config(int type, const char *cmdline)
1967 {
1968 struct device_config *conf;
1969
1970 conf = g_malloc0(sizeof(*conf));
1971 conf->type = type;
1972 conf->cmdline = cmdline;
1973 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1974 }
1975
1976 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1977 {
1978 struct device_config *conf;
1979 int rc;
1980
1981 QTAILQ_FOREACH(conf, &device_configs, next) {
1982 if (conf->type != type)
1983 continue;
1984 rc = func(conf->cmdline);
1985 if (0 != rc)
1986 return rc;
1987 }
1988 return 0;
1989 }
1990
1991 static int serial_parse(const char *devname)
1992 {
1993 static int index = 0;
1994 char label[32];
1995
1996 if (strcmp(devname, "none") == 0)
1997 return 0;
1998 if (index == MAX_SERIAL_PORTS) {
1999 fprintf(stderr, "qemu: too many serial ports\n");
2000 exit(1);
2001 }
2002 snprintf(label, sizeof(label), "serial%d", index);
2003 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2004 if (!serial_hds[index]) {
2005 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
2006 devname, strerror(errno));
2007 return -1;
2008 }
2009 index++;
2010 return 0;
2011 }
2012
2013 static int parallel_parse(const char *devname)
2014 {
2015 static int index = 0;
2016 char label[32];
2017
2018 if (strcmp(devname, "none") == 0)
2019 return 0;
2020 if (index == MAX_PARALLEL_PORTS) {
2021 fprintf(stderr, "qemu: too many parallel ports\n");
2022 exit(1);
2023 }
2024 snprintf(label, sizeof(label), "parallel%d", index);
2025 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2026 if (!parallel_hds[index]) {
2027 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2028 devname, strerror(errno));
2029 return -1;
2030 }
2031 index++;
2032 return 0;
2033 }
2034
2035 static int virtcon_parse(const char *devname)
2036 {
2037 QemuOptsList *device = qemu_find_opts("device");
2038 static int index = 0;
2039 char label[32];
2040 QemuOpts *bus_opts, *dev_opts;
2041
2042 if (strcmp(devname, "none") == 0)
2043 return 0;
2044 if (index == MAX_VIRTIO_CONSOLES) {
2045 fprintf(stderr, "qemu: too many virtio consoles\n");
2046 exit(1);
2047 }
2048
2049 bus_opts = qemu_opts_create(device, NULL, 0);
2050 qemu_opt_set(bus_opts, "driver", "virtio-serial");
2051
2052 dev_opts = qemu_opts_create(device, NULL, 0);
2053 qemu_opt_set(dev_opts, "driver", "virtconsole");
2054
2055 snprintf(label, sizeof(label), "virtcon%d", index);
2056 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2057 if (!virtcon_hds[index]) {
2058 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2059 devname, strerror(errno));
2060 return -1;
2061 }
2062 qemu_opt_set(dev_opts, "chardev", label);
2063
2064 index++;
2065 return 0;
2066 }
2067
2068 static int debugcon_parse(const char *devname)
2069 {
2070 QemuOpts *opts;
2071
2072 if (!qemu_chr_new("debugcon", devname, NULL)) {
2073 exit(1);
2074 }
2075 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
2076 if (!opts) {
2077 fprintf(stderr, "qemu: already have a debugcon device\n");
2078 exit(1);
2079 }
2080 qemu_opt_set(opts, "driver", "isa-debugcon");
2081 qemu_opt_set(opts, "chardev", "debugcon");
2082 return 0;
2083 }
2084
2085 static QEMUMachine *machine_parse(const char *name)
2086 {
2087 QEMUMachine *m, *machine = NULL;
2088
2089 if (name) {
2090 machine = find_machine(name);
2091 }
2092 if (machine) {
2093 return machine;
2094 }
2095 printf("Supported machines are:\n");
2096 for (m = first_machine; m != NULL; m = m->next) {
2097 if (m->alias) {
2098 printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
2099 }
2100 printf("%-10s %s%s\n", m->name, m->desc,
2101 m->is_default ? " (default)" : "");
2102 }
2103 exit(!name || *name != '?');
2104 }
2105
2106 static int tcg_init(void)
2107 {
2108 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2109 return 0;
2110 }
2111
2112 static struct {
2113 const char *opt_name;
2114 const char *name;
2115 int (*available)(void);
2116 int (*init)(void);
2117 int *allowed;
2118 } accel_list[] = {
2119 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2120 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2121 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2122 };
2123
2124 static int configure_accelerator(void)
2125 {
2126 const char *p = NULL;
2127 char buf[10];
2128 int i, ret;
2129 bool accel_initalised = 0;
2130 bool init_failed = 0;
2131
2132 QemuOptsList *list = qemu_find_opts("machine");
2133 if (!QTAILQ_EMPTY(&list->head)) {
2134 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2135 }
2136
2137 if (p == NULL) {
2138 /* Use the default "accelerator", tcg */
2139 p = "tcg";
2140 }
2141
2142 while (!accel_initalised && *p != '\0') {
2143 if (*p == ':') {
2144 p++;
2145 }
2146 p = get_opt_name(buf, sizeof (buf), p, ':');
2147 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2148 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2149 *(accel_list[i].allowed) = 1;
2150 ret = accel_list[i].init();
2151 if (ret < 0) {
2152 init_failed = 1;
2153 if (!accel_list[i].available()) {
2154 printf("%s not supported for this target\n",
2155 accel_list[i].name);
2156 } else {
2157 fprintf(stderr, "failed to initialize %s: %s\n",
2158 accel_list[i].name,
2159 strerror(-ret));
2160 }
2161 *(accel_list[i].allowed) = 0;
2162 } else {
2163 accel_initalised = 1;
2164 }
2165 break;
2166 }
2167 }
2168 if (i == ARRAY_SIZE(accel_list)) {
2169 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2170 }
2171 }
2172
2173 if (!accel_initalised) {
2174 fprintf(stderr, "No accelerator found!\n");
2175 exit(1);
2176 }
2177
2178 if (init_failed) {
2179 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2180 }
2181
2182 return !accel_initalised;
2183 }
2184
2185 void qemu_add_exit_notifier(Notifier *notify)
2186 {
2187 notifier_list_add(&exit_notifiers, notify);
2188 }
2189
2190 void qemu_remove_exit_notifier(Notifier *notify)
2191 {
2192 notifier_list_remove(&exit_notifiers, notify);
2193 }
2194
2195 static void qemu_run_exit_notifiers(void)
2196 {
2197 notifier_list_notify(&exit_notifiers, NULL);
2198 }
2199
2200 void qemu_add_machine_init_done_notifier(Notifier *notify)
2201 {
2202 notifier_list_add(&machine_init_done_notifiers, notify);
2203 }
2204
2205 static void qemu_run_machine_init_done_notifiers(void)
2206 {
2207 notifier_list_notify(&machine_init_done_notifiers, NULL);
2208 }
2209
2210 static const QEMUOption *lookup_opt(int argc, char **argv,
2211 const char **poptarg, int *poptind)
2212 {
2213 const QEMUOption *popt;
2214 int optind = *poptind;
2215 char *r = argv[optind];
2216 const char *optarg;
2217
2218 loc_set_cmdline(argv, optind, 1);
2219 optind++;
2220 /* Treat --foo the same as -foo. */
2221 if (r[1] == '-')
2222 r++;
2223 popt = qemu_options;
2224 for(;;) {
2225 if (!popt->name) {
2226 error_report("invalid option");
2227 exit(1);
2228 }
2229 if (!strcmp(popt->name, r + 1))
2230 break;
2231 popt++;
2232 }
2233 if (popt->flags & HAS_ARG) {
2234 if (optind >= argc) {
2235 error_report("requires an argument");
2236 exit(1);
2237 }
2238 optarg = argv[optind++];
2239 loc_set_cmdline(argv, optind - 2, 2);
2240 } else {
2241 optarg = NULL;
2242 }
2243
2244 *poptarg = optarg;
2245 *poptind = optind;
2246
2247 return popt;
2248 }
2249
2250 static gpointer malloc_and_trace(gsize n_bytes)
2251 {
2252 void *ptr = malloc(n_bytes);
2253 trace_g_malloc(n_bytes, ptr);
2254 return ptr;
2255 }
2256
2257 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2258 {
2259 void *ptr = realloc(mem, n_bytes);
2260 trace_g_realloc(mem, n_bytes, ptr);
2261 return ptr;
2262 }
2263
2264 static void free_and_trace(gpointer mem)
2265 {
2266 trace_g_free(mem);
2267 free(mem);
2268 }
2269
2270 int main(int argc, char **argv, char **envp)
2271 {
2272 const char *gdbstub_dev = NULL;
2273 int i;
2274 int snapshot, linux_boot;
2275 const char *icount_option = NULL;
2276 const char *initrd_filename;
2277 const char *kernel_filename, *kernel_cmdline;
2278 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2279 DisplayState *ds;
2280 DisplayChangeListener *dcl;
2281 int cyls, heads, secs, translation;
2282 QemuOpts *hda_opts = NULL, *opts;
2283 QemuOptsList *olist;
2284 int optind;
2285 const char *optarg;
2286 const char *loadvm = NULL;
2287 QEMUMachine *machine;
2288 const char *cpu_model;
2289 const char *pid_file = NULL;
2290 const char *incoming = NULL;
2291 #ifdef CONFIG_VNC
2292 int show_vnc_port = 0;
2293 #endif
2294 int defconfig = 1;
2295 const char *log_mask = NULL;
2296 const char *log_file = NULL;
2297 GMemVTable mem_trace = {
2298 .malloc = malloc_and_trace,
2299 .realloc = realloc_and_trace,
2300 .free = free_and_trace,
2301 };
2302 const char *trace_events = NULL;
2303 const char *trace_file = NULL;
2304
2305 atexit(qemu_run_exit_notifiers);
2306 error_set_progname(argv[0]);
2307
2308 g_mem_set_vtable(&mem_trace);
2309 g_thread_init(NULL);
2310
2311 runstate_init();
2312
2313 init_clocks();
2314
2315 qemu_cache_utils_init(envp);
2316
2317 QLIST_INIT (&vm_change_state_head);
2318 os_setup_early_signal_handling();
2319
2320 module_call_init(MODULE_INIT_MACHINE);
2321 machine = find_default_machine();
2322 cpu_model = NULL;
2323 initrd_filename = NULL;
2324 ram_size = 0;
2325 snapshot = 0;
2326 kernel_filename = NULL;
2327 kernel_cmdline = "";
2328 cyls = heads = secs = 0;
2329 translation = BIOS_ATA_TRANSLATION_AUTO;
2330
2331 for (i = 0; i < MAX_NODES; i++) {
2332 node_mem[i] = 0;
2333 node_cpumask[i] = 0;
2334 }
2335
2336 nb_numa_nodes = 0;
2337 nb_nics = 0;
2338
2339 autostart= 1;
2340
2341 /* first pass of option parsing */
2342 optind = 1;
2343 while (optind < argc) {
2344 if (argv[optind][0] != '-') {
2345 /* disk image */
2346 optind++;
2347 continue;
2348 } else {
2349 const QEMUOption *popt;
2350
2351 popt = lookup_opt(argc, argv, &optarg, &optind);
2352 switch (popt->index) {
2353 case QEMU_OPTION_nodefconfig:
2354 defconfig=0;
2355 break;
2356 }
2357 }
2358 }
2359
2360 if (defconfig) {
2361 int ret;
2362
2363 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2364 if (ret < 0 && ret != -ENOENT) {
2365 exit(1);
2366 }
2367
2368 ret = qemu_read_config_file(arch_config_name);
2369 if (ret < 0 && ret != -ENOENT) {
2370 exit(1);
2371 }
2372 }
2373 cpudef_init();
2374
2375 /* second pass of option parsing */
2376 optind = 1;
2377 for(;;) {
2378 if (optind >= argc)
2379 break;
2380 if (argv[optind][0] != '-') {
2381 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2382 } else {
2383 const QEMUOption *popt;
2384
2385 popt = lookup_opt(argc, argv, &optarg, &optind);
2386 if (!(popt->arch_mask & arch_type)) {
2387 printf("Option %s not supported for this target\n", popt->name);
2388 exit(1);
2389 }
2390 switch(popt->index) {
2391 case QEMU_OPTION_M:
2392 machine = machine_parse(optarg);
2393 break;
2394 case QEMU_OPTION_cpu:
2395 /* hw initialization will check this */
2396 if (*optarg == '?') {
2397 list_cpus(stdout, &fprintf, optarg);
2398 exit(0);
2399 } else {
2400 cpu_model = optarg;
2401 }
2402 break;
2403 case QEMU_OPTION_initrd:
2404 initrd_filename = optarg;
2405 break;
2406 case QEMU_OPTION_hda:
2407 {
2408 char buf[256];
2409 if (cyls == 0)
2410 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2411 else
2412 snprintf(buf, sizeof(buf),
2413 "%s,cyls=%d,heads=%d,secs=%d%s",
2414 HD_OPTS , cyls, heads, secs,
2415 translation == BIOS_ATA_TRANSLATION_LBA ?
2416 ",trans=lba" :
2417 translation == BIOS_ATA_TRANSLATION_NONE ?
2418 ",trans=none" : "");
2419 drive_add(IF_DEFAULT, 0, optarg, buf);
2420 break;
2421 }
2422 case QEMU_OPTION_hdb:
2423 case QEMU_OPTION_hdc:
2424 case QEMU_OPTION_hdd:
2425 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2426 HD_OPTS);
2427 break;
2428 case QEMU_OPTION_drive:
2429 if (drive_def(optarg) == NULL) {
2430 exit(1);
2431 }
2432 break;
2433 case QEMU_OPTION_set:
2434 if (qemu_set_option(optarg) != 0)
2435 exit(1);
2436 break;
2437 case QEMU_OPTION_global:
2438 if (qemu_global_option(optarg) != 0)
2439 exit(1);
2440 break;
2441 case QEMU_OPTION_mtdblock:
2442 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2443 break;
2444 case QEMU_OPTION_sd:
2445 drive_add(IF_SD, 0, optarg, SD_OPTS);
2446 break;
2447 case QEMU_OPTION_pflash:
2448 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2449 break;
2450 case QEMU_OPTION_snapshot:
2451 snapshot = 1;
2452 break;
2453 case QEMU_OPTION_hdachs:
2454 {
2455 const char *p;
2456 p = optarg;
2457 cyls = strtol(p, (char **)&p, 0);
2458 if (cyls < 1 || cyls > 16383)
2459 goto chs_fail;
2460 if (*p != ',')
2461 goto chs_fail;
2462 p++;
2463 heads = strtol(p, (char **)&p, 0);
2464 if (heads < 1 || heads > 16)
2465 goto chs_fail;
2466 if (*p != ',')
2467 goto chs_fail;
2468 p++;
2469 secs = strtol(p, (char **)&p, 0);
2470 if (secs < 1 || secs > 63)
2471 goto chs_fail;
2472 if (*p == ',') {
2473 p++;
2474 if (!strcmp(p, "none"))
2475 translation = BIOS_ATA_TRANSLATION_NONE;
2476 else if (!strcmp(p, "lba"))
2477 translation = BIOS_ATA_TRANSLATION_LBA;
2478 else if (!strcmp(p, "auto"))
2479 translation = BIOS_ATA_TRANSLATION_AUTO;
2480 else
2481 goto chs_fail;
2482 } else if (*p != '\0') {
2483 chs_fail:
2484 fprintf(stderr, "qemu: invalid physical CHS format\n");
2485 exit(1);
2486 }
2487 if (hda_opts != NULL) {
2488 char num[16];
2489 snprintf(num, sizeof(num), "%d", cyls);
2490 qemu_opt_set(hda_opts, "cyls", num);
2491 snprintf(num, sizeof(num), "%d", heads);
2492 qemu_opt_set(hda_opts, "heads", num);
2493 snprintf(num, sizeof(num), "%d", secs);
2494 qemu_opt_set(hda_opts, "secs", num);
2495 if (translation == BIOS_ATA_TRANSLATION_LBA)
2496 qemu_opt_set(hda_opts, "trans", "lba");
2497 if (translation == BIOS_ATA_TRANSLATION_NONE)
2498 qemu_opt_set(hda_opts, "trans", "none");
2499 }
2500 }
2501 break;
2502 case QEMU_OPTION_numa:
2503 if (nb_numa_nodes >= MAX_NODES) {
2504 fprintf(stderr, "qemu: too many NUMA nodes\n");
2505 exit(1);
2506 }
2507 numa_add(optarg);
2508 break;
2509 case QEMU_OPTION_display:
2510 display_type = select_display(optarg);
2511 break;
2512 case QEMU_OPTION_nographic:
2513 display_type = DT_NOGRAPHIC;
2514 break;
2515 case QEMU_OPTION_curses:
2516 #ifdef CONFIG_CURSES
2517 display_type = DT_CURSES;
2518 #else
2519 fprintf(stderr, "Curses support is disabled\n");
2520 exit(1);
2521 #endif
2522 break;
2523 case QEMU_OPTION_portrait:
2524 graphic_rotate = 90;
2525 break;
2526 case QEMU_OPTION_rotate:
2527 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2528 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2529 graphic_rotate != 180 && graphic_rotate != 270) {
2530 fprintf(stderr,
2531 "qemu: only 90, 180, 270 deg rotation is available\n");
2532 exit(1);
2533 }
2534 break;
2535 case QEMU_OPTION_kernel:
2536 kernel_filename = optarg;
2537 break;
2538 case QEMU_OPTION_append:
2539 kernel_cmdline = optarg;
2540 break;
2541 case QEMU_OPTION_cdrom:
2542 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2543 break;
2544 case QEMU_OPTION_boot:
2545 {
2546 static const char * const params[] = {
2547 "order", "once", "menu",
2548 "splash", "splash-time", NULL
2549 };
2550 char buf[sizeof(boot_devices)];
2551 char *standard_boot_devices;
2552 int legacy = 0;
2553
2554 if (!strchr(optarg, '=')) {
2555 legacy = 1;
2556 pstrcpy(buf, sizeof(buf), optarg);
2557 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2558 fprintf(stderr,
2559 "qemu: unknown boot parameter '%s' in '%s'\n",
2560 buf, optarg);
2561 exit(1);
2562 }
2563
2564 if (legacy ||
2565 get_param_value(buf, sizeof(buf), "order", optarg)) {
2566 validate_bootdevices(buf);
2567 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2568 }
2569 if (!legacy) {
2570 if (get_param_value(buf, sizeof(buf),
2571 "once", optarg)) {
2572 validate_bootdevices(buf);
2573 standard_boot_devices = g_strdup(boot_devices);
2574 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2575 qemu_register_reset(restore_boot_devices,
2576 standard_boot_devices);
2577 }
2578 if (get_param_value(buf, sizeof(buf),
2579 "menu", optarg)) {
2580 if (!strcmp(buf, "on")) {
2581 boot_menu = 1;
2582 } else if (!strcmp(buf, "off")) {
2583 boot_menu = 0;
2584 } else {
2585 fprintf(stderr,
2586 "qemu: invalid option value '%s'\n",
2587 buf);
2588 exit(1);
2589 }
2590 }
2591 qemu_opts_parse(qemu_find_opts("boot-opts"),
2592 optarg, 0);
2593 }
2594 }
2595 break;
2596 case QEMU_OPTION_fda:
2597 case QEMU_OPTION_fdb:
2598 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2599 optarg, FD_OPTS);
2600 break;
2601 case QEMU_OPTION_no_fd_bootchk:
2602 fd_bootchk = 0;
2603 break;
2604 case QEMU_OPTION_netdev:
2605 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2606 exit(1);
2607 }
2608 break;
2609 case QEMU_OPTION_net:
2610 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2611 exit(1);
2612 }
2613 break;
2614 #ifdef CONFIG_SLIRP
2615 case QEMU_OPTION_tftp:
2616 legacy_tftp_prefix = optarg;
2617 break;
2618 case QEMU_OPTION_bootp:
2619 legacy_bootp_filename = optarg;
2620 break;
2621 case QEMU_OPTION_redir:
2622 if (net_slirp_redir(optarg) < 0)
2623 exit(1);
2624 break;
2625 #endif
2626 case QEMU_OPTION_bt:
2627 add_device_config(DEV_BT, optarg);
2628 break;
2629 case QEMU_OPTION_audio_help:
2630 if (!(audio_available())) {
2631 printf("Option %s not supported for this target\n", popt->name);
2632 exit(1);
2633 }
2634 AUD_help ();
2635 exit (0);
2636 break;
2637 case QEMU_OPTION_soundhw:
2638 if (!(audio_available())) {
2639 printf("Option %s not supported for this target\n", popt->name);
2640 exit(1);
2641 }
2642 select_soundhw (optarg);
2643 break;
2644 case QEMU_OPTION_h:
2645 help(0);
2646 break;
2647 case QEMU_OPTION_version:
2648 version();
2649 exit(0);
2650 break;
2651 case QEMU_OPTION_m: {
2652 int64_t value;
2653
2654 value = strtosz(optarg, NULL);
2655 if (value < 0) {
2656 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2657 exit(1);
2658 }
2659
2660 if (value != (uint64_t)(ram_addr_t)value) {
2661 fprintf(stderr, "qemu: ram size too large\n");
2662 exit(1);
2663 }
2664 ram_size = value;
2665 break;
2666 }
2667 case QEMU_OPTION_mempath:
2668 mem_path = optarg;
2669 break;
2670 #ifdef MAP_POPULATE
2671 case QEMU_OPTION_mem_prealloc:
2672 mem_prealloc = 1;
2673 break;
2674 #endif
2675 case QEMU_OPTION_d:
2676 log_mask = optarg;
2677 break;
2678 case QEMU_OPTION_D:
2679 log_file = optarg;
2680 break;
2681 case QEMU_OPTION_s:
2682 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2683 break;
2684 case QEMU_OPTION_gdb:
2685 gdbstub_dev = optarg;
2686 break;
2687 case QEMU_OPTION_L:
2688 data_dir = optarg;
2689 break;
2690 case QEMU_OPTION_bios:
2691 bios_name = optarg;
2692 break;
2693 case QEMU_OPTION_singlestep:
2694 singlestep = 1;
2695 break;
2696 case QEMU_OPTION_S:
2697 autostart = 0;
2698 break;
2699 case QEMU_OPTION_k:
2700 keyboard_layout = optarg;
2701 break;
2702 case QEMU_OPTION_localtime:
2703 rtc_utc = 0;
2704 break;
2705 case QEMU_OPTION_vga:
2706 select_vgahw (optarg);
2707 break;
2708 case QEMU_OPTION_g:
2709 {
2710 const char *p;
2711 int w, h, depth;
2712 p = optarg;
2713 w = strtol(p, (char **)&p, 10);
2714 if (w <= 0) {
2715 graphic_error:
2716 fprintf(stderr, "qemu: invalid resolution or depth\n");
2717 exit(1);
2718 }
2719 if (*p != 'x')
2720 goto graphic_error;
2721 p++;
2722 h = strtol(p, (char **)&p, 10);
2723 if (h <= 0)
2724 goto graphic_error;
2725 if (*p == 'x') {
2726 p++;
2727 depth = strtol(p, (char **)&p, 10);
2728 if (depth != 8 && depth != 15 && depth != 16 &&
2729 depth != 24 && depth != 32)
2730 goto graphic_error;
2731 } else if (*p == '\0') {
2732 depth = graphic_depth;
2733 } else {
2734 goto graphic_error;
2735 }
2736
2737 graphic_width = w;
2738 graphic_height = h;
2739 graphic_depth = depth;
2740 }
2741 break;
2742 case QEMU_OPTION_echr:
2743 {
2744 char *r;
2745 term_escape_char = strtol(optarg, &r, 0);
2746 if (r == optarg)
2747 printf("Bad argument to echr\n");
2748 break;
2749 }
2750 case QEMU_OPTION_monitor:
2751 monitor_parse(optarg, "readline");
2752 default_monitor = 0;
2753 break;
2754 case QEMU_OPTION_qmp:
2755 monitor_parse(optarg, "control");
2756 default_monitor = 0;
2757 break;
2758 case QEMU_OPTION_mon:
2759 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2760 if (!opts) {
2761 exit(1);
2762 }
2763 default_monitor = 0;
2764 break;
2765 case QEMU_OPTION_chardev:
2766 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2767 if (!opts) {
2768 exit(1);
2769 }
2770 break;
2771 case QEMU_OPTION_fsdev:
2772 olist = qemu_find_opts("fsdev");
2773 if (!olist) {
2774 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2775 exit(1);
2776 }
2777 opts = qemu_opts_parse(olist, optarg, 1);
2778 if (!opts) {
2779 fprintf(stderr, "parse error: %s\n", optarg);
2780 exit(1);
2781 }
2782 break;
2783 case QEMU_OPTION_virtfs: {
2784 QemuOpts *fsdev;
2785 QemuOpts *device;
2786 const char *writeout;
2787
2788 olist = qemu_find_opts("virtfs");
2789 if (!olist) {
2790 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2791 exit(1);
2792 }
2793 opts = qemu_opts_parse(olist, optarg, 1);
2794 if (!opts) {
2795 fprintf(stderr, "parse error: %s\n", optarg);
2796 exit(1);
2797 }
2798
2799 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2800 qemu_opt_get(opts, "mount_tag") == NULL ||
2801 qemu_opt_get(opts, "path") == NULL) {
2802 fprintf(stderr, "Usage: -virtfs fsdriver,path=/share_path/,"
2803 "[security_model={mapped|passthrough|none}],"
2804 "mount_tag=tag.\n");
2805 exit(1);
2806 }
2807 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2808 qemu_opt_get(opts, "mount_tag"), 1);
2809 if (!fsdev) {
2810 fprintf(stderr, "duplicate fsdev id: %s\n",
2811 qemu_opt_get(opts, "mount_tag"));
2812 exit(1);
2813 }
2814
2815 writeout = qemu_opt_get(opts, "writeout");
2816 if (writeout) {
2817 #ifdef CONFIG_SYNC_FILE_RANGE
2818 qemu_opt_set(fsdev, "writeout", writeout);
2819 #else
2820 fprintf(stderr, "writeout=immediate not supported on "
2821 "this platform\n");
2822 exit(1);
2823 #endif
2824 }
2825 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2826 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2827 qemu_opt_set(fsdev, "security_model",
2828 qemu_opt_get(opts, "security_model"));
2829
2830 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2831 qemu_opt_set(device, "driver", "virtio-9p-pci");
2832 qemu_opt_set(device, "fsdev",
2833 qemu_opt_get(opts, "mount_tag"));
2834 qemu_opt_set(device, "mount_tag",
2835 qemu_opt_get(opts, "mount_tag"));
2836 break;
2837 }
2838 case QEMU_OPTION_serial:
2839 add_device_config(DEV_SERIAL, optarg);
2840 default_serial = 0;
2841 if (strncmp(optarg, "mon:", 4) == 0) {
2842 default_monitor = 0;
2843 }
2844 break;
2845 case QEMU_OPTION_watchdog:
2846 if (watchdog) {
2847 fprintf(stderr,
2848 "qemu: only one watchdog option may be given\n");
2849 return 1;
2850 }
2851 watchdog = optarg;
2852 break;
2853 case QEMU_OPTION_watchdog_action:
2854 if (select_watchdog_action(optarg) == -1) {
2855 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2856 exit(1);
2857 }
2858 break;
2859 case QEMU_OPTION_virtiocon:
2860 add_device_config(DEV_VIRTCON, optarg);
2861 default_virtcon = 0;
2862 if (strncmp(optarg, "mon:", 4) == 0) {
2863 default_monitor = 0;
2864 }
2865 break;
2866 case QEMU_OPTION_parallel:
2867 add_device_config(DEV_PARALLEL, optarg);
2868 default_parallel = 0;
2869 if (strncmp(optarg, "mon:", 4) == 0) {
2870 default_monitor = 0;
2871 }
2872 break;
2873 case QEMU_OPTION_debugcon:
2874 add_device_config(DEV_DEBUGCON, optarg);
2875 break;
2876 case QEMU_OPTION_loadvm:
2877 loadvm = optarg;
2878 break;
2879 case QEMU_OPTION_full_screen:
2880 full_screen = 1;
2881 break;
2882 #ifdef CONFIG_SDL
2883 case QEMU_OPTION_no_frame:
2884 no_frame = 1;
2885 break;
2886 case QEMU_OPTION_alt_grab:
2887 alt_grab = 1;
2888 break;
2889 case QEMU_OPTION_ctrl_grab:
2890 ctrl_grab = 1;
2891 break;
2892 case QEMU_OPTION_no_quit:
2893 no_quit = 1;
2894 break;
2895 case QEMU_OPTION_sdl:
2896 display_type = DT_SDL;
2897 break;
2898 #else
2899 case QEMU_OPTION_no_frame:
2900 case QEMU_OPTION_alt_grab:
2901 case QEMU_OPTION_ctrl_grab:
2902 case QEMU_OPTION_no_quit:
2903 case QEMU_OPTION_sdl:
2904 fprintf(stderr, "SDL support is disabled\n");
2905 exit(1);
2906 #endif
2907 case QEMU_OPTION_pidfile:
2908 pid_file = optarg;
2909 break;
2910 case QEMU_OPTION_win2k_hack:
2911 win2k_install_hack = 1;
2912 break;
2913 case QEMU_OPTION_rtc_td_hack:
2914 rtc_td_hack = 1;
2915 break;
2916 case QEMU_OPTION_acpitable:
2917 do_acpitable_option(optarg);
2918 break;
2919 case QEMU_OPTION_smbios:
2920 do_smbios_option(optarg);
2921 break;
2922 case QEMU_OPTION_enable_kvm:
2923 olist = qemu_find_opts("machine");
2924 qemu_opts_reset(olist);
2925 qemu_opts_parse(olist, "accel=kvm", 0);
2926 break;
2927 case QEMU_OPTION_machine:
2928 olist = qemu_find_opts("machine");
2929 qemu_opts_reset(olist);
2930 opts = qemu_opts_parse(olist, optarg, 1);
2931 if (!opts) {
2932 fprintf(stderr, "parse error: %s\n", optarg);
2933 exit(1);
2934 }
2935 optarg = qemu_opt_get(opts, "type");
2936 if (optarg) {
2937 machine = machine_parse(optarg);
2938 }
2939 break;
2940 case QEMU_OPTION_usb:
2941 usb_enabled = 1;
2942 break;
2943 case QEMU_OPTION_usbdevice:
2944 usb_enabled = 1;
2945 add_device_config(DEV_USB, optarg);
2946 break;
2947 case QEMU_OPTION_device:
2948 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2949 exit(1);
2950 }
2951 break;
2952 case QEMU_OPTION_smp:
2953 smp_parse(optarg);
2954 if (smp_cpus < 1) {
2955 fprintf(stderr, "Invalid number of CPUs\n");
2956 exit(1);
2957 }
2958 if (max_cpus < smp_cpus) {
2959 fprintf(stderr, "maxcpus must be equal to or greater than "
2960 "smp\n");
2961 exit(1);
2962 }
2963 if (max_cpus > 255) {
2964 fprintf(stderr, "Unsupported number of maxcpus\n");
2965 exit(1);
2966 }
2967 break;
2968 case QEMU_OPTION_vnc:
2969 #ifdef CONFIG_VNC
2970 display_remote++;
2971 vnc_display = optarg;
2972 #else
2973 fprintf(stderr, "VNC support is disabled\n");
2974 exit(1);
2975 #endif
2976 break;
2977 case QEMU_OPTION_no_acpi:
2978 acpi_enabled = 0;
2979 break;
2980 case QEMU_OPTION_no_hpet:
2981 no_hpet = 1;
2982 break;
2983 case QEMU_OPTION_balloon:
2984 if (balloon_parse(optarg) < 0) {
2985 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2986 exit(1);
2987 }
2988 break;
2989 case QEMU_OPTION_no_reboot:
2990 no_reboot = 1;
2991 break;
2992 case QEMU_OPTION_no_shutdown:
2993 no_shutdown = 1;
2994 break;
2995 case QEMU_OPTION_show_cursor:
2996 cursor_hide = 0;
2997 break;
2998 case QEMU_OPTION_uuid:
2999 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3000 fprintf(stderr, "Fail to parse UUID string."
3001 " Wrong format.\n");
3002 exit(1);
3003 }
3004 break;
3005 case QEMU_OPTION_option_rom:
3006 if (nb_option_roms >= MAX_OPTION_ROMS) {
3007 fprintf(stderr, "Too many option ROMs\n");
3008 exit(1);
3009 }
3010 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3011 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3012 option_rom[nb_option_roms].bootindex =
3013 qemu_opt_get_number(opts, "bootindex", -1);
3014 if (!option_rom[nb_option_roms].name) {
3015 fprintf(stderr, "Option ROM file is not specified\n");
3016 exit(1);
3017 }
3018 nb_option_roms++;
3019 break;
3020 case QEMU_OPTION_semihosting:
3021 semihosting_enabled = 1;
3022 break;
3023 case QEMU_OPTION_name:
3024 qemu_name = g_strdup(optarg);
3025 {
3026 char *p = strchr(qemu_name, ',');
3027 if (p != NULL) {
3028 *p++ = 0;
3029 if (strncmp(p, "process=", 8)) {
3030 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3031 exit(1);
3032 }
3033 p += 8;
3034 os_set_proc_name(p);
3035 }
3036 }
3037 break;
3038 case QEMU_OPTION_prom_env:
3039 if (nb_prom_envs >= MAX_PROM_ENVS) {
3040 fprintf(stderr, "Too many prom variables\n");
3041 exit(1);
3042 }
3043 prom_envs[nb_prom_envs] = optarg;
3044 nb_prom_envs++;
3045 break;
3046 case QEMU_OPTION_old_param:
3047 old_param = 1;
3048 break;
3049 case QEMU_OPTION_clock:
3050 configure_alarms(optarg);
3051 break;
3052 case QEMU_OPTION_startdate:
3053 configure_rtc_date_offset(optarg, 1);
3054 break;
3055 case QEMU_OPTION_rtc:
3056 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3057 if (!opts) {
3058 exit(1);
3059 }
3060 configure_rtc(opts);
3061 break;
3062 case QEMU_OPTION_tb_size:
3063 tcg_tb_size = strtol(optarg, NULL, 0);
3064 if (tcg_tb_size < 0) {
3065 tcg_tb_size = 0;
3066 }
3067 break;
3068 case QEMU_OPTION_icount:
3069 icount_option = optarg;
3070 break;
3071 case QEMU_OPTION_incoming:
3072 incoming = optarg;
3073 break;
3074 case QEMU_OPTION_nodefaults:
3075 default_serial = 0;
3076 default_parallel = 0;
3077 default_virtcon = 0;
3078 default_monitor = 0;
3079 default_vga = 0;
3080 default_net = 0;
3081 default_floppy = 0;
3082 default_cdrom = 0;
3083 default_sdcard = 0;
3084 break;
3085 case QEMU_OPTION_xen_domid:
3086 if (!(xen_available())) {
3087 printf("Option %s not supported for this target\n", popt->name);
3088 exit(1);
3089 }
3090 xen_domid = atoi(optarg);
3091 break;
3092 case QEMU_OPTION_xen_create:
3093 if (!(xen_available())) {
3094 printf("Option %s not supported for this target\n", popt->name);
3095 exit(1);
3096 }
3097 xen_mode = XEN_CREATE;
3098 break;
3099 case QEMU_OPTION_xen_attach:
3100 if (!(xen_available())) {
3101 printf("Option %s not supported for this target\n", popt->name);
3102 exit(1);
3103 }
3104 xen_mode = XEN_ATTACH;
3105 break;
3106 case QEMU_OPTION_trace:
3107 {
3108 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3109 if (!opts) {
3110 exit(1);
3111 }
3112 trace_events = qemu_opt_get(opts, "events");
3113 trace_file = qemu_opt_get(opts, "file");
3114 break;
3115 }
3116 case QEMU_OPTION_readconfig:
3117 {
3118 int ret = qemu_read_config_file(optarg);
3119 if (ret < 0) {
3120 fprintf(stderr, "read config %s: %s\n", optarg,
3121 strerror(-ret));
3122 exit(1);
3123 }
3124 break;
3125 }
3126 case QEMU_OPTION_spice:
3127 olist = qemu_find_opts("spice");
3128 if (!olist) {
3129 fprintf(stderr, "spice is not supported by this qemu build.\n");
3130 exit(1);
3131 }
3132 opts = qemu_opts_parse(olist, optarg, 0);
3133 if (!opts) {
3134 fprintf(stderr, "parse error: %s\n", optarg);
3135 exit(1);
3136 }
3137 break;
3138 case QEMU_OPTION_writeconfig:
3139 {
3140 FILE *fp;
3141 if (strcmp(optarg, "-") == 0) {
3142 fp = stdout;
3143 } else {
3144 fp = fopen(optarg, "w");
3145 if (fp == NULL) {
3146 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3147 exit(1);
3148 }
3149 }
3150 qemu_config_write(fp);
3151 fclose(fp);
3152 break;
3153 }
3154 default:
3155 os_parse_cmd_args(popt->index, optarg);
3156 }
3157 }
3158 }
3159 loc_set_none();
3160
3161 /* Open the logfile at this point, if necessary. We can't open the logfile
3162 * when encountering either of the logging options (-d or -D) because the
3163 * other one may be encountered later on the command line, changing the
3164 * location or level of logging.
3165 */
3166 if (log_mask) {
3167 if (log_file) {
3168 set_cpu_log_filename(log_file);
3169 }
3170 set_cpu_log(log_mask);
3171 }
3172
3173 if (!trace_backend_init(trace_events, trace_file)) {
3174 exit(1);
3175 }
3176
3177 /* If no data_dir is specified then try to find it relative to the
3178 executable path. */
3179 if (!data_dir) {
3180 data_dir = os_find_datadir(argv[0]);
3181 }
3182 /* If all else fails use the install path specified when building. */
3183 if (!data_dir) {
3184 data_dir = CONFIG_QEMU_DATADIR;
3185 }
3186
3187 /*
3188 * Default to max_cpus = smp_cpus, in case the user doesn't
3189 * specify a max_cpus value.
3190 */
3191 if (!max_cpus)
3192 max_cpus = smp_cpus;
3193
3194 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3195 if (smp_cpus > machine->max_cpus) {
3196 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3197 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3198 machine->max_cpus);
3199 exit(1);
3200 }
3201
3202 /*
3203 * Get the default machine options from the machine if it is not already
3204 * specified either by the configuration file or by the command line.
3205 */
3206 if (machine->default_machine_opts) {
3207 QemuOptsList *list = qemu_find_opts("machine");
3208 const char *p = NULL;
3209
3210 if (!QTAILQ_EMPTY(&list->head)) {
3211 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
3212 }
3213 if (p == NULL) {
3214 qemu_opts_reset(list);
3215 opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
3216 if (!opts) {
3217 fprintf(stderr, "parse error for machine %s: %s\n",
3218 machine->name, machine->default_machine_opts);
3219 exit(1);
3220 }
3221 }
3222 }
3223
3224 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3225 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3226
3227 if (machine->no_serial) {
3228 default_serial = 0;
3229 }
3230 if (machine->no_parallel) {
3231 default_parallel = 0;
3232 }
3233 if (!machine->use_virtcon) {
3234 default_virtcon = 0;
3235 }
3236 if (machine->no_vga) {
3237 default_vga = 0;
3238 }
3239 if (machine->no_floppy) {
3240 default_floppy = 0;
3241 }
3242 if (machine->no_cdrom) {
3243 default_cdrom = 0;
3244 }
3245 if (machine->no_sdcard) {
3246 default_sdcard = 0;
3247 }
3248
3249 if (display_type == DT_NOGRAPHIC) {
3250 if (default_parallel)
3251 add_device_config(DEV_PARALLEL, "null");
3252 if (default_serial && default_monitor) {
3253 add_device_config(DEV_SERIAL, "mon:stdio");
3254 } else if (default_virtcon && default_monitor) {
3255 add_device_config(DEV_VIRTCON, "mon:stdio");
3256 } else {
3257 if (default_serial)
3258 add_device_config(DEV_SERIAL, "stdio");
3259 if (default_virtcon)
3260 add_device_config(DEV_VIRTCON, "stdio");
3261 if (default_monitor)
3262 monitor_parse("stdio", "readline");
3263 }
3264 } else {
3265 if (default_serial)
3266 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3267 if (default_parallel)
3268 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3269 if (default_monitor)
3270 monitor_parse("vc:80Cx24C", "readline");
3271 if (default_virtcon)
3272 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3273 }
3274 if (default_vga)
3275 vga_interface_type = VGA_CIRRUS;
3276
3277 socket_init();
3278
3279 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3280 exit(1);
3281 #ifdef CONFIG_VIRTFS
3282 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3283 exit(1);
3284 }
3285 #endif
3286
3287 os_daemonize();
3288
3289 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3290 os_pidfile_error();
3291 exit(1);
3292 }
3293
3294 /* init the memory */
3295 if (ram_size == 0) {
3296 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3297 }
3298
3299 configure_accelerator();
3300
3301 if (qemu_init_main_loop()) {
3302 fprintf(stderr, "qemu_init_main_loop failed\n");
3303 exit(1);
3304 }
3305 linux_boot = (kernel_filename != NULL);
3306
3307 if (!linux_boot && *kernel_cmdline != '\0') {
3308 fprintf(stderr, "-append only allowed with -kernel option\n");
3309 exit(1);
3310 }
3311
3312 if (!linux_boot && initrd_filename != NULL) {
3313 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3314 exit(1);
3315 }
3316
3317 os_set_line_buffering();
3318
3319 if (init_timer_alarm() < 0) {
3320 fprintf(stderr, "could not initialize alarm timer\n");
3321 exit(1);
3322 }
3323 configure_icount(icount_option);
3324
3325 if (net_init_clients() < 0) {
3326 exit(1);
3327 }
3328
3329 /* init the bluetooth world */
3330 if (foreach_device_config(DEV_BT, bt_parse))
3331 exit(1);
3332
3333 if (!xen_enabled()) {
3334 /* On 32-bit hosts, QEMU is limited by virtual address space */
3335 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3336 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3337 exit(1);
3338 }
3339 }
3340
3341 cpu_exec_init_all();
3342
3343 bdrv_init_with_whitelist();
3344
3345 blk_mig_init();
3346
3347 /* open the virtual block devices */
3348 if (snapshot)
3349 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3350 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3351 exit(1);
3352
3353 default_drive(default_cdrom, snapshot, machine->use_scsi,
3354 IF_DEFAULT, 2, CDROM_OPTS);
3355 default_drive(default_floppy, snapshot, machine->use_scsi,
3356 IF_FLOPPY, 0, FD_OPTS);
3357 default_drive(default_sdcard, snapshot, machine->use_scsi,
3358 IF_SD, 0, SD_OPTS);
3359
3360 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3361 ram_load, NULL);
3362
3363 if (nb_numa_nodes > 0) {
3364 int i;
3365
3366 if (nb_numa_nodes > MAX_NODES) {
3367 nb_numa_nodes = MAX_NODES;
3368 }
3369
3370 /* If no memory size if given for any node, assume the default case
3371 * and distribute the available memory equally across all nodes
3372 */
3373 for (i = 0; i < nb_numa_nodes; i++) {
3374 if (node_mem[i] != 0)
3375 break;
3376 }
3377 if (i == nb_numa_nodes) {
3378 uint64_t usedmem = 0;
3379
3380 /* On Linux, the each node's border has to be 8MB aligned,
3381 * the final node gets the rest.
3382 */
3383 for (i = 0; i < nb_numa_nodes - 1; i++) {
3384 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3385 usedmem += node_mem[i];
3386 }
3387 node_mem[i] = ram_size - usedmem;
3388 }
3389
3390 for (i = 0; i < nb_numa_nodes; i++) {
3391 if (node_cpumask[i] != 0)
3392 break;
3393 }
3394 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3395 * must cope with this anyway, because there are BIOSes out there in
3396 * real machines which also use this scheme.
3397 */
3398 if (i == nb_numa_nodes) {
3399 for (i = 0; i < smp_cpus; i++) {
3400 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3401 }
3402 }
3403 }
3404
3405 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3406 exit(1);
3407 }
3408
3409 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3410 exit(1);
3411 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3412 exit(1);
3413 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3414 exit(1);
3415 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3416 exit(1);
3417
3418 module_call_init(MODULE_INIT_DEVICE);
3419
3420 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3421 exit(0);
3422
3423 if (watchdog) {
3424 i = select_watchdog(watchdog);
3425 if (i > 0)
3426 exit (i == 1 ? 1 : 0);
3427 }
3428
3429 if (machine->compat_props) {
3430 qdev_prop_register_global_list(machine->compat_props);
3431 }
3432 qemu_add_globals();
3433
3434 machine->init(ram_size, boot_devices,
3435 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3436
3437 cpu_synchronize_all_post_init();
3438
3439 set_numa_modes();
3440
3441 current_machine = machine;
3442
3443 /* init USB devices */
3444 if (usb_enabled) {
3445 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3446 exit(1);
3447 }
3448
3449 /* init generic devices */
3450 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3451 exit(1);
3452
3453 net_check_clients();
3454
3455 /* just use the first displaystate for the moment */
3456 ds = get_displaystate();
3457
3458 if (using_spice)
3459 display_remote++;
3460 if (display_type == DT_DEFAULT && !display_remote) {
3461 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3462 display_type = DT_SDL;
3463 #elif defined(CONFIG_VNC)
3464 vnc_display = "localhost:0,to=99";
3465 show_vnc_port = 1;
3466 #else
3467 display_type = DT_NONE;
3468 #endif
3469 }
3470
3471
3472 /* init local displays */
3473 switch (display_type) {
3474 case DT_NOGRAPHIC:
3475 break;
3476 #if defined(CONFIG_CURSES)
3477 case DT_CURSES:
3478 curses_display_init(ds, full_screen);
3479 break;
3480 #endif
3481 #if defined(CONFIG_SDL)
3482 case DT_SDL:
3483 sdl_display_init(ds, full_screen, no_frame);
3484 break;
3485 #elif defined(CONFIG_COCOA)
3486 case DT_SDL:
3487 cocoa_display_init(ds, full_screen);
3488 break;
3489 #endif
3490 default:
3491 break;
3492 }
3493
3494 /* must be after terminal init, SDL library changes signal handlers */
3495 os_setup_signal_handling();
3496
3497 #ifdef CONFIG_VNC
3498 /* init remote displays */
3499 if (vnc_display) {
3500 vnc_display_init(ds);
3501 if (vnc_display_open(ds, vnc_display) < 0)
3502 exit(1);
3503
3504 if (show_vnc_port) {
3505 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3506 }
3507 }
3508 #endif
3509 #ifdef CONFIG_SPICE
3510 if (using_spice && !qxl_enabled) {
3511 qemu_spice_display_init(ds);
3512 }
3513 #endif
3514
3515 /* display setup */
3516 dpy_resize(ds);
3517 dcl = ds->listeners;
3518 while (dcl != NULL) {
3519 if (dcl->dpy_refresh != NULL) {
3520 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3521 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3522 break;
3523 }
3524 dcl = dcl->next;
3525 }
3526 text_consoles_set_display(ds);
3527
3528 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3529 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3530 gdbstub_dev);
3531 exit(1);
3532 }
3533
3534 qdev_machine_creation_done();
3535
3536 if (rom_load_all() != 0) {
3537 fprintf(stderr, "rom loading failed\n");
3538 exit(1);
3539 }
3540
3541 /* TODO: once all bus devices are qdevified, this should be done
3542 * when bus is created by qdev.c */
3543 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3544 qemu_run_machine_init_done_notifiers();
3545
3546 qemu_system_reset(VMRESET_SILENT);
3547 if (loadvm) {
3548 if (load_vmstate(loadvm) < 0) {
3549 autostart = 0;
3550 }
3551 }
3552
3553 if (incoming) {
3554 runstate_set(RUN_STATE_INMIGRATE);
3555 int ret = qemu_start_incoming_migration(incoming);
3556 if (ret < 0) {
3557 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3558 incoming, ret);
3559 exit(ret);
3560 }
3561 } else if (autostart) {
3562 vm_start();
3563 }
3564
3565 os_setup_post();
3566
3567 main_loop();
3568 quit_timers();
3569 net_cleanup();
3570 res_free();
3571
3572 return 0;
3573 }
QEmu