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Merge remote-tracking branch 'stefanha/trivial-patches' into staging
[qemu.git] / vl.c
blobb362871089a83c5bc53efbbc84352eb3b2201f39
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 "hw/hw.h"
115 #include "hw/boards.h"
116 #include "hw/usb.h"
117 #include "hw/pcmcia.h"
118 #include "hw/pc.h"
119 #include "hw/isa.h"
120 #include "hw/baum.h"
121 #include "hw/bt.h"
122 #include "hw/watchdog.h"
123 #include "hw/smbios.h"
124 #include "hw/xen.h"
125 #include "hw/qdev.h"
126 #include "hw/loader.h"
127 #include "bt-host.h"
128 #include "net.h"
129 #include "net/slirp.h"
130 #include "monitor.h"
131 #include "console.h"
132 #include "sysemu.h"
133 #include "gdbstub.h"
134 #include "qemu-timer.h"
135 #include "qemu-char.h"
136 #include "cache-utils.h"
137 #include "block.h"
138 #include "blockdev.h"
139 #include "block-migration.h"
140 #include "dma.h"
141 #include "audio/audio.h"
142 #include "migration.h"
143 #include "kvm.h"
144 #include "qemu-option.h"
145 #include "qemu-config.h"
146 #include "qemu-objects.h"
147 #include "qemu-options.h"
148 #ifdef CONFIG_VIRTFS
149 #include "fsdev/qemu-fsdev.h"
150 #endif
151
152 #include "disas.h"
153
154 #include "qemu_socket.h"
155
156 #include "slirp/libslirp.h"
157
158 #include "trace.h"
159 #include "simpletrace.h"
160 #include "qemu-queue.h"
161 #include "cpus.h"
162 #include "arch_init.h"
163
164 #include "ui/qemu-spice.h"
165
166 //#define DEBUG_NET
167 //#define DEBUG_SLIRP
168
169 #define DEFAULT_RAM_SIZE 128
170
171 #define MAX_VIRTIO_CONSOLES 1
172
173 static const char *data_dir;
174 const char *bios_name = NULL;
175 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
176 DisplayType display_type = DT_DEFAULT;
177 int display_remote = 0;
178 const char* keyboard_layout = NULL;
179 ram_addr_t ram_size;
180 const char *mem_path = NULL;
181 #ifdef MAP_POPULATE
182 int mem_prealloc = 0; /* force preallocation of physical target memory */
183 #endif
184 int nb_nics;
185 NICInfo nd_table[MAX_NICS];
186 int vm_running;
187 int autostart;
188 int incoming_expected; /* Started with -incoming and waiting for incoming */
189 static int rtc_utc = 1;
190 static int rtc_date_offset = -1; /* -1 means no change */
191 QEMUClock *rtc_clock;
192 int vga_interface_type = VGA_NONE;
193 static int full_screen = 0;
194 #ifdef CONFIG_SDL
195 static int no_frame = 0;
196 #endif
197 int no_quit = 0;
198 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
199 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
200 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
201 int win2k_install_hack = 0;
202 int rtc_td_hack = 0;
203 int usb_enabled = 0;
204 int singlestep = 0;
205 int smp_cpus = 1;
206 int max_cpus = 0;
207 int smp_cores = 1;
208 int smp_threads = 1;
209 #ifdef CONFIG_VNC
210 const char *vnc_display;
211 #endif
212 int acpi_enabled = 1;
213 int no_hpet = 0;
214 int fd_bootchk = 1;
215 int no_reboot = 0;
216 int no_shutdown = 0;
217 int cursor_hide = 1;
218 int graphic_rotate = 0;
219 uint8_t irq0override = 1;
220 const char *watchdog;
221 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
222 int nb_option_roms;
223 int semihosting_enabled = 0;
224 int old_param = 0;
225 const char *qemu_name;
226 int alt_grab = 0;
227 int ctrl_grab = 0;
228 unsigned int nb_prom_envs = 0;
229 const char *prom_envs[MAX_PROM_ENVS];
230 int boot_menu;
231
232 typedef struct FWBootEntry FWBootEntry;
233
234 struct FWBootEntry {
235 QTAILQ_ENTRY(FWBootEntry) link;
236 int32_t bootindex;
237 DeviceState *dev;
238 char *suffix;
239 };
240
241 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
242
243 int nb_numa_nodes;
244 uint64_t node_mem[MAX_NODES];
245 uint64_t node_cpumask[MAX_NODES];
246
247 static QEMUTimer *nographic_timer;
248
249 uint8_t qemu_uuid[16];
250
251 static QEMUBootSetHandler *boot_set_handler;
252 static void *boot_set_opaque;
253
254 static NotifierList exit_notifiers =
255 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
256
257 static NotifierList machine_init_done_notifiers =
258 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
259
260 static int tcg_allowed = 1;
261 int kvm_allowed = 0;
262 int xen_allowed = 0;
263 uint32_t xen_domid;
264 enum xen_mode xen_mode = XEN_EMULATE;
265
266 static int default_serial = 1;
267 static int default_parallel = 1;
268 static int default_virtcon = 1;
269 static int default_monitor = 1;
270 static int default_vga = 1;
271 static int default_floppy = 1;
272 static int default_cdrom = 1;
273 static int default_sdcard = 1;
274
275 static struct {
276 const char *driver;
277 int *flag;
278 } default_list[] = {
279 { .driver = "isa-serial", .flag = &default_serial },
280 { .driver = "isa-parallel", .flag = &default_parallel },
281 { .driver = "isa-fdc", .flag = &default_floppy },
282 { .driver = "ide-cd", .flag = &default_cdrom },
283 { .driver = "ide-hd", .flag = &default_cdrom },
284 { .driver = "ide-drive", .flag = &default_cdrom },
285 { .driver = "scsi-cd", .flag = &default_cdrom },
286 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
287 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
288 { .driver = "virtio-serial", .flag = &default_virtcon },
289 { .driver = "VGA", .flag = &default_vga },
290 { .driver = "cirrus-vga", .flag = &default_vga },
291 { .driver = "vmware-svga", .flag = &default_vga },
292 };
293
294 static int default_driver_check(QemuOpts *opts, void *opaque)
295 {
296 const char *driver = qemu_opt_get(opts, "driver");
297 int i;
298
299 if (!driver)
300 return 0;
301 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
302 if (strcmp(default_list[i].driver, driver) != 0)
303 continue;
304 *(default_list[i].flag) = 0;
305 }
306 return 0;
307 }
308
309 /***********************************************************/
310 /* real time host monotonic timer */
311
312 /***********************************************************/
313 /* host time/date access */
314 void qemu_get_timedate(struct tm *tm, int offset)
315 {
316 time_t ti;
317 struct tm *ret;
318
319 time(&ti);
320 ti += offset;
321 if (rtc_date_offset == -1) {
322 if (rtc_utc)
323 ret = gmtime(&ti);
324 else
325 ret = localtime(&ti);
326 } else {
327 ti -= rtc_date_offset;
328 ret = gmtime(&ti);
329 }
330
331 memcpy(tm, ret, sizeof(struct tm));
332 }
333
334 int qemu_timedate_diff(struct tm *tm)
335 {
336 time_t seconds;
337
338 if (rtc_date_offset == -1)
339 if (rtc_utc)
340 seconds = mktimegm(tm);
341 else
342 seconds = mktime(tm);
343 else
344 seconds = mktimegm(tm) + rtc_date_offset;
345
346 return seconds - time(NULL);
347 }
348
349 void rtc_change_mon_event(struct tm *tm)
350 {
351 QObject *data;
352
353 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
354 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
355 qobject_decref(data);
356 }
357
358 static void configure_rtc_date_offset(const char *startdate, int legacy)
359 {
360 time_t rtc_start_date;
361 struct tm tm;
362
363 if (!strcmp(startdate, "now") && legacy) {
364 rtc_date_offset = -1;
365 } else {
366 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
367 &tm.tm_year,
368 &tm.tm_mon,
369 &tm.tm_mday,
370 &tm.tm_hour,
371 &tm.tm_min,
372 &tm.tm_sec) == 6) {
373 /* OK */
374 } else if (sscanf(startdate, "%d-%d-%d",
375 &tm.tm_year,
376 &tm.tm_mon,
377 &tm.tm_mday) == 3) {
378 tm.tm_hour = 0;
379 tm.tm_min = 0;
380 tm.tm_sec = 0;
381 } else {
382 goto date_fail;
383 }
384 tm.tm_year -= 1900;
385 tm.tm_mon--;
386 rtc_start_date = mktimegm(&tm);
387 if (rtc_start_date == -1) {
388 date_fail:
389 fprintf(stderr, "Invalid date format. Valid formats are:\n"
390 "'2006-06-17T16:01:21' or '2006-06-17'\n");
391 exit(1);
392 }
393 rtc_date_offset = time(NULL) - rtc_start_date;
394 }
395 }
396
397 static void configure_rtc(QemuOpts *opts)
398 {
399 const char *value;
400
401 value = qemu_opt_get(opts, "base");
402 if (value) {
403 if (!strcmp(value, "utc")) {
404 rtc_utc = 1;
405 } else if (!strcmp(value, "localtime")) {
406 rtc_utc = 0;
407 } else {
408 configure_rtc_date_offset(value, 0);
409 }
410 }
411 value = qemu_opt_get(opts, "clock");
412 if (value) {
413 if (!strcmp(value, "host")) {
414 rtc_clock = host_clock;
415 } else if (!strcmp(value, "vm")) {
416 rtc_clock = vm_clock;
417 } else {
418 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
419 exit(1);
420 }
421 }
422 value = qemu_opt_get(opts, "driftfix");
423 if (value) {
424 if (!strcmp(value, "slew")) {
425 rtc_td_hack = 1;
426 } else if (!strcmp(value, "none")) {
427 rtc_td_hack = 0;
428 } else {
429 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
430 exit(1);
431 }
432 }
433 }
434
435 /***********************************************************/
436 /* Bluetooth support */
437 static int nb_hcis;
438 static int cur_hci;
439 static struct HCIInfo *hci_table[MAX_NICS];
440
441 static struct bt_vlan_s {
442 struct bt_scatternet_s net;
443 int id;
444 struct bt_vlan_s *next;
445 } *first_bt_vlan;
446
447 /* find or alloc a new bluetooth "VLAN" */
448 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
449 {
450 struct bt_vlan_s **pvlan, *vlan;
451 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
452 if (vlan->id == id)
453 return &vlan->net;
454 }
455 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
456 vlan->id = id;
457 pvlan = &first_bt_vlan;
458 while (*pvlan != NULL)
459 pvlan = &(*pvlan)->next;
460 *pvlan = vlan;
461 return &vlan->net;
462 }
463
464 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
465 {
466 }
467
468 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
469 {
470 return -ENOTSUP;
471 }
472
473 static struct HCIInfo null_hci = {
474 .cmd_send = null_hci_send,
475 .sco_send = null_hci_send,
476 .acl_send = null_hci_send,
477 .bdaddr_set = null_hci_addr_set,
478 };
479
480 struct HCIInfo *qemu_next_hci(void)
481 {
482 if (cur_hci == nb_hcis)
483 return &null_hci;
484
485 return hci_table[cur_hci++];
486 }
487
488 static struct HCIInfo *hci_init(const char *str)
489 {
490 char *endp;
491 struct bt_scatternet_s *vlan = 0;
492
493 if (!strcmp(str, "null"))
494 /* null */
495 return &null_hci;
496 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
497 /* host[:hciN] */
498 return bt_host_hci(str[4] ? str + 5 : "hci0");
499 else if (!strncmp(str, "hci", 3)) {
500 /* hci[,vlan=n] */
501 if (str[3]) {
502 if (!strncmp(str + 3, ",vlan=", 6)) {
503 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
504 if (*endp)
505 vlan = 0;
506 }
507 } else
508 vlan = qemu_find_bt_vlan(0);
509 if (vlan)
510 return bt_new_hci(vlan);
511 }
512
513 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
514
515 return 0;
516 }
517
518 static int bt_hci_parse(const char *str)
519 {
520 struct HCIInfo *hci;
521 bdaddr_t bdaddr;
522
523 if (nb_hcis >= MAX_NICS) {
524 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
525 return -1;
526 }
527
528 hci = hci_init(str);
529 if (!hci)
530 return -1;
531
532 bdaddr.b[0] = 0x52;
533 bdaddr.b[1] = 0x54;
534 bdaddr.b[2] = 0x00;
535 bdaddr.b[3] = 0x12;
536 bdaddr.b[4] = 0x34;
537 bdaddr.b[5] = 0x56 + nb_hcis;
538 hci->bdaddr_set(hci, bdaddr.b);
539
540 hci_table[nb_hcis++] = hci;
541
542 return 0;
543 }
544
545 static void bt_vhci_add(int vlan_id)
546 {
547 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
548
549 if (!vlan->slave)
550 fprintf(stderr, "qemu: warning: adding a VHCI to "
551 "an empty scatternet %i\n", vlan_id);
552
553 bt_vhci_init(bt_new_hci(vlan));
554 }
555
556 static struct bt_device_s *bt_device_add(const char *opt)
557 {
558 struct bt_scatternet_s *vlan;
559 int vlan_id = 0;
560 char *endp = strstr(opt, ",vlan=");
561 int len = (endp ? endp - opt : strlen(opt)) + 1;
562 char devname[10];
563
564 pstrcpy(devname, MIN(sizeof(devname), len), opt);
565
566 if (endp) {
567 vlan_id = strtol(endp + 6, &endp, 0);
568 if (*endp) {
569 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
570 return 0;
571 }
572 }
573
574 vlan = qemu_find_bt_vlan(vlan_id);
575
576 if (!vlan->slave)
577 fprintf(stderr, "qemu: warning: adding a slave device to "
578 "an empty scatternet %i\n", vlan_id);
579
580 if (!strcmp(devname, "keyboard"))
581 return bt_keyboard_init(vlan);
582
583 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
584 return 0;
585 }
586
587 static int bt_parse(const char *opt)
588 {
589 const char *endp, *p;
590 int vlan;
591
592 if (strstart(opt, "hci", &endp)) {
593 if (!*endp || *endp == ',') {
594 if (*endp)
595 if (!strstart(endp, ",vlan=", 0))
596 opt = endp + 1;
597
598 return bt_hci_parse(opt);
599 }
600 } else if (strstart(opt, "vhci", &endp)) {
601 if (!*endp || *endp == ',') {
602 if (*endp) {
603 if (strstart(endp, ",vlan=", &p)) {
604 vlan = strtol(p, (char **) &endp, 0);
605 if (*endp) {
606 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
607 return 1;
608 }
609 } else {
610 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
611 return 1;
612 }
613 } else
614 vlan = 0;
615
616 bt_vhci_add(vlan);
617 return 0;
618 }
619 } else if (strstart(opt, "device:", &endp))
620 return !bt_device_add(endp);
621
622 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
623 return 1;
624 }
625
626 /***********************************************************/
627 /* QEMU Block devices */
628
629 #define HD_OPTS "media=disk"
630 #define CDROM_OPTS "media=cdrom"
631 #define FD_OPTS ""
632 #define PFLASH_OPTS ""
633 #define MTD_OPTS ""
634 #define SD_OPTS ""
635
636 static int drive_init_func(QemuOpts *opts, void *opaque)
637 {
638 int *use_scsi = opaque;
639
640 return drive_init(opts, *use_scsi) == NULL;
641 }
642
643 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
644 {
645 if (NULL == qemu_opt_get(opts, "snapshot")) {
646 qemu_opt_set(opts, "snapshot", "on");
647 }
648 return 0;
649 }
650
651 static void default_drive(int enable, int snapshot, int use_scsi,
652 BlockInterfaceType type, int index,
653 const char *optstr)
654 {
655 QemuOpts *opts;
656
657 if (type == IF_DEFAULT) {
658 type = use_scsi ? IF_SCSI : IF_IDE;
659 }
660
661 if (!enable || drive_get_by_index(type, index)) {
662 return;
663 }
664
665 opts = drive_add(type, index, NULL, optstr);
666 if (snapshot) {
667 drive_enable_snapshot(opts, NULL);
668 }
669 if (!drive_init(opts, use_scsi)) {
670 exit(1);
671 }
672 }
673
674 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
675 {
676 boot_set_handler = func;
677 boot_set_opaque = opaque;
678 }
679
680 int qemu_boot_set(const char *boot_devices)
681 {
682 if (!boot_set_handler) {
683 return -EINVAL;
684 }
685 return boot_set_handler(boot_set_opaque, boot_devices);
686 }
687
688 static void validate_bootdevices(char *devices)
689 {
690 /* We just do some generic consistency checks */
691 const char *p;
692 int bitmap = 0;
693
694 for (p = devices; *p != '\0'; p++) {
695 /* Allowed boot devices are:
696 * a-b: floppy disk drives
697 * c-f: IDE disk drives
698 * g-m: machine implementation dependant drives
699 * n-p: network devices
700 * It's up to each machine implementation to check if the given boot
701 * devices match the actual hardware implementation and firmware
702 * features.
703 */
704 if (*p < 'a' || *p > 'p') {
705 fprintf(stderr, "Invalid boot device '%c'\n", *p);
706 exit(1);
707 }
708 if (bitmap & (1 << (*p - 'a'))) {
709 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
710 exit(1);
711 }
712 bitmap |= 1 << (*p - 'a');
713 }
714 }
715
716 static void restore_boot_devices(void *opaque)
717 {
718 char *standard_boot_devices = opaque;
719 static int first = 1;
720
721 /* Restore boot order and remove ourselves after the first boot */
722 if (first) {
723 first = 0;
724 return;
725 }
726
727 qemu_boot_set(standard_boot_devices);
728
729 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
730 qemu_free(standard_boot_devices);
731 }
732
733 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
734 const char *suffix)
735 {
736 FWBootEntry *node, *i;
737
738 if (bootindex < 0) {
739 return;
740 }
741
742 assert(dev != NULL || suffix != NULL);
743
744 node = qemu_mallocz(sizeof(FWBootEntry));
745 node->bootindex = bootindex;
746 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
747 node->dev = dev;
748
749 QTAILQ_FOREACH(i, &fw_boot_order, link) {
750 if (i->bootindex == bootindex) {
751 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
752 exit(1);
753 } else if (i->bootindex < bootindex) {
754 continue;
755 }
756 QTAILQ_INSERT_BEFORE(i, node, link);
757 return;
758 }
759 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
760 }
761
762 /*
763 * This function returns null terminated string that consist of new line
764 * separated device paths.
765 *
766 * memory pointed by "size" is assigned total length of the array in bytes
767 *
768 */
769 char *get_boot_devices_list(uint32_t *size)
770 {
771 FWBootEntry *i;
772 uint32_t total = 0;
773 char *list = NULL;
774
775 QTAILQ_FOREACH(i, &fw_boot_order, link) {
776 char *devpath = NULL, *bootpath;
777 int len;
778
779 if (i->dev) {
780 devpath = qdev_get_fw_dev_path(i->dev);
781 assert(devpath);
782 }
783
784 if (i->suffix && devpath) {
785 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
786
787 bootpath = qemu_malloc(bootpathlen);
788 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
789 qemu_free(devpath);
790 } else if (devpath) {
791 bootpath = devpath;
792 } else {
793 bootpath = qemu_strdup(i->suffix);
794 assert(bootpath);
795 }
796
797 if (total) {
798 list[total-1] = '\n';
799 }
800 len = strlen(bootpath) + 1;
801 list = qemu_realloc(list, total + len);
802 memcpy(&list[total], bootpath, len);
803 total += len;
804 qemu_free(bootpath);
805 }
806
807 *size = total;
808
809 return list;
810 }
811
812 static void numa_add(const char *optarg)
813 {
814 char option[128];
815 char *endptr;
816 unsigned long long value, endvalue;
817 int nodenr;
818
819 optarg = get_opt_name(option, 128, optarg, ',') + 1;
820 if (!strcmp(option, "node")) {
821 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
822 nodenr = nb_numa_nodes;
823 } else {
824 nodenr = strtoull(option, NULL, 10);
825 }
826
827 if (get_param_value(option, 128, "mem", optarg) == 0) {
828 node_mem[nodenr] = 0;
829 } else {
830 int64_t sval;
831 sval = strtosz(option, NULL);
832 if (sval < 0) {
833 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
834 exit(1);
835 }
836 node_mem[nodenr] = sval;
837 }
838 if (get_param_value(option, 128, "cpus", optarg) == 0) {
839 node_cpumask[nodenr] = 0;
840 } else {
841 value = strtoull(option, &endptr, 10);
842 if (value >= 64) {
843 value = 63;
844 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
845 } else {
846 if (*endptr == '-') {
847 endvalue = strtoull(endptr+1, &endptr, 10);
848 if (endvalue >= 63) {
849 endvalue = 62;
850 fprintf(stderr,
851 "only 63 CPUs in NUMA mode supported.\n");
852 }
853 value = (2ULL << endvalue) - (1ULL << value);
854 } else {
855 value = 1ULL << value;
856 }
857 }
858 node_cpumask[nodenr] = value;
859 }
860 nb_numa_nodes++;
861 }
862 return;
863 }
864
865 static void smp_parse(const char *optarg)
866 {
867 int smp, sockets = 0, threads = 0, cores = 0;
868 char *endptr;
869 char option[128];
870
871 smp = strtoul(optarg, &endptr, 10);
872 if (endptr != optarg) {
873 if (*endptr == ',') {
874 endptr++;
875 }
876 }
877 if (get_param_value(option, 128, "sockets", endptr) != 0)
878 sockets = strtoull(option, NULL, 10);
879 if (get_param_value(option, 128, "cores", endptr) != 0)
880 cores = strtoull(option, NULL, 10);
881 if (get_param_value(option, 128, "threads", endptr) != 0)
882 threads = strtoull(option, NULL, 10);
883 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
884 max_cpus = strtoull(option, NULL, 10);
885
886 /* compute missing values, prefer sockets over cores over threads */
887 if (smp == 0 || sockets == 0) {
888 sockets = sockets > 0 ? sockets : 1;
889 cores = cores > 0 ? cores : 1;
890 threads = threads > 0 ? threads : 1;
891 if (smp == 0) {
892 smp = cores * threads * sockets;
893 }
894 } else {
895 if (cores == 0) {
896 threads = threads > 0 ? threads : 1;
897 cores = smp / (sockets * threads);
898 } else {
899 threads = smp / (cores * sockets);
900 }
901 }
902 smp_cpus = smp;
903 smp_cores = cores > 0 ? cores : 1;
904 smp_threads = threads > 0 ? threads : 1;
905 if (max_cpus == 0)
906 max_cpus = smp_cpus;
907 }
908
909 /***********************************************************/
910 /* USB devices */
911
912 static int usb_device_add(const char *devname)
913 {
914 const char *p;
915 USBDevice *dev = NULL;
916
917 if (!usb_enabled)
918 return -1;
919
920 /* drivers with .usbdevice_name entry in USBDeviceInfo */
921 dev = usbdevice_create(devname);
922 if (dev)
923 goto done;
924
925 /* the other ones */
926 if (strstart(devname, "host:", &p)) {
927 dev = usb_host_device_open(p);
928 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
929 dev = usb_bt_init(devname[2] ? hci_init(p) :
930 bt_new_hci(qemu_find_bt_vlan(0)));
931 } else {
932 return -1;
933 }
934 if (!dev)
935 return -1;
936
937 done:
938 return 0;
939 }
940
941 static int usb_device_del(const char *devname)
942 {
943 int bus_num, addr;
944 const char *p;
945
946 if (strstart(devname, "host:", &p))
947 return usb_host_device_close(p);
948
949 if (!usb_enabled)
950 return -1;
951
952 p = strchr(devname, '.');
953 if (!p)
954 return -1;
955 bus_num = strtoul(devname, NULL, 0);
956 addr = strtoul(p + 1, NULL, 0);
957
958 return usb_device_delete_addr(bus_num, addr);
959 }
960
961 static int usb_parse(const char *cmdline)
962 {
963 int r;
964 r = usb_device_add(cmdline);
965 if (r < 0) {
966 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
967 }
968 return r;
969 }
970
971 void do_usb_add(Monitor *mon, const QDict *qdict)
972 {
973 const char *devname = qdict_get_str(qdict, "devname");
974 if (usb_device_add(devname) < 0) {
975 error_report("could not add USB device '%s'", devname);
976 }
977 }
978
979 void do_usb_del(Monitor *mon, const QDict *qdict)
980 {
981 const char *devname = qdict_get_str(qdict, "devname");
982 if (usb_device_del(devname) < 0) {
983 error_report("could not delete USB device '%s'", devname);
984 }
985 }
986
987 /***********************************************************/
988 /* PCMCIA/Cardbus */
989
990 static struct pcmcia_socket_entry_s {
991 PCMCIASocket *socket;
992 struct pcmcia_socket_entry_s *next;
993 } *pcmcia_sockets = 0;
994
995 void pcmcia_socket_register(PCMCIASocket *socket)
996 {
997 struct pcmcia_socket_entry_s *entry;
998
999 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1000 entry->socket = socket;
1001 entry->next = pcmcia_sockets;
1002 pcmcia_sockets = entry;
1003 }
1004
1005 void pcmcia_socket_unregister(PCMCIASocket *socket)
1006 {
1007 struct pcmcia_socket_entry_s *entry, **ptr;
1008
1009 ptr = &pcmcia_sockets;
1010 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1011 if (entry->socket == socket) {
1012 *ptr = entry->next;
1013 qemu_free(entry);
1014 }
1015 }
1016
1017 void pcmcia_info(Monitor *mon)
1018 {
1019 struct pcmcia_socket_entry_s *iter;
1020
1021 if (!pcmcia_sockets)
1022 monitor_printf(mon, "No PCMCIA sockets\n");
1023
1024 for (iter = pcmcia_sockets; iter; iter = iter->next)
1025 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1026 iter->socket->attached ? iter->socket->card_string :
1027 "Empty");
1028 }
1029
1030 /***********************************************************/
1031 /* machine registration */
1032
1033 static QEMUMachine *first_machine = NULL;
1034 QEMUMachine *current_machine = NULL;
1035
1036 int qemu_register_machine(QEMUMachine *m)
1037 {
1038 QEMUMachine **pm;
1039 pm = &first_machine;
1040 while (*pm != NULL)
1041 pm = &(*pm)->next;
1042 m->next = NULL;
1043 *pm = m;
1044 return 0;
1045 }
1046
1047 static QEMUMachine *find_machine(const char *name)
1048 {
1049 QEMUMachine *m;
1050
1051 for(m = first_machine; m != NULL; m = m->next) {
1052 if (!strcmp(m->name, name))
1053 return m;
1054 if (m->alias && !strcmp(m->alias, name))
1055 return m;
1056 }
1057 return NULL;
1058 }
1059
1060 static QEMUMachine *find_default_machine(void)
1061 {
1062 QEMUMachine *m;
1063
1064 for(m = first_machine; m != NULL; m = m->next) {
1065 if (m->is_default) {
1066 return m;
1067 }
1068 }
1069 return NULL;
1070 }
1071
1072 /***********************************************************/
1073 /* main execution loop */
1074
1075 static void gui_update(void *opaque)
1076 {
1077 uint64_t interval = GUI_REFRESH_INTERVAL;
1078 DisplayState *ds = opaque;
1079 DisplayChangeListener *dcl = ds->listeners;
1080
1081 qemu_flush_coalesced_mmio_buffer();
1082 dpy_refresh(ds);
1083
1084 while (dcl != NULL) {
1085 if (dcl->gui_timer_interval &&
1086 dcl->gui_timer_interval < interval)
1087 interval = dcl->gui_timer_interval;
1088 dcl = dcl->next;
1089 }
1090 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1091 }
1092
1093 static void nographic_update(void *opaque)
1094 {
1095 uint64_t interval = GUI_REFRESH_INTERVAL;
1096
1097 qemu_flush_coalesced_mmio_buffer();
1098 qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1099 }
1100
1101 struct vm_change_state_entry {
1102 VMChangeStateHandler *cb;
1103 void *opaque;
1104 QLIST_ENTRY (vm_change_state_entry) entries;
1105 };
1106
1107 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1108
1109 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1110 void *opaque)
1111 {
1112 VMChangeStateEntry *e;
1113
1114 e = qemu_mallocz(sizeof (*e));
1115
1116 e->cb = cb;
1117 e->opaque = opaque;
1118 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1119 return e;
1120 }
1121
1122 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1123 {
1124 QLIST_REMOVE (e, entries);
1125 qemu_free (e);
1126 }
1127
1128 void vm_state_notify(int running, int reason)
1129 {
1130 VMChangeStateEntry *e;
1131
1132 trace_vm_state_notify(running, reason);
1133
1134 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1135 e->cb(e->opaque, running, reason);
1136 }
1137 }
1138
1139 void vm_start(void)
1140 {
1141 if (!vm_running) {
1142 cpu_enable_ticks();
1143 vm_running = 1;
1144 vm_state_notify(1, 0);
1145 resume_all_vcpus();
1146 monitor_protocol_event(QEVENT_RESUME, NULL);
1147 }
1148 }
1149
1150 /* reset/shutdown handler */
1151
1152 typedef struct QEMUResetEntry {
1153 QTAILQ_ENTRY(QEMUResetEntry) entry;
1154 QEMUResetHandler *func;
1155 void *opaque;
1156 } QEMUResetEntry;
1157
1158 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1159 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1160 static int reset_requested;
1161 static int shutdown_requested, shutdown_signal = -1;
1162 static pid_t shutdown_pid;
1163 static int powerdown_requested;
1164 static int debug_requested;
1165 static int vmstop_requested;
1166
1167 int qemu_shutdown_requested_get(void)
1168 {
1169 return shutdown_requested;
1170 }
1171
1172 int qemu_reset_requested_get(void)
1173 {
1174 return reset_requested;
1175 }
1176
1177 int qemu_shutdown_requested(void)
1178 {
1179 int r = shutdown_requested;
1180 shutdown_requested = 0;
1181 return r;
1182 }
1183
1184 void qemu_kill_report(void)
1185 {
1186 if (shutdown_signal != -1) {
1187 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1188 if (shutdown_pid == 0) {
1189 /* This happens for eg ^C at the terminal, so it's worth
1190 * avoiding printing an odd message in that case.
1191 */
1192 fputc('\n', stderr);
1193 } else {
1194 fprintf(stderr, " from pid %d\n", shutdown_pid);
1195 }
1196 shutdown_signal = -1;
1197 }
1198 }
1199
1200 int qemu_reset_requested(void)
1201 {
1202 int r = reset_requested;
1203 reset_requested = 0;
1204 return r;
1205 }
1206
1207 int qemu_powerdown_requested(void)
1208 {
1209 int r = powerdown_requested;
1210 powerdown_requested = 0;
1211 return r;
1212 }
1213
1214 static int qemu_debug_requested(void)
1215 {
1216 int r = debug_requested;
1217 debug_requested = 0;
1218 return r;
1219 }
1220
1221 static int qemu_vmstop_requested(void)
1222 {
1223 int r = vmstop_requested;
1224 vmstop_requested = 0;
1225 return r;
1226 }
1227
1228 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1229 {
1230 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1231
1232 re->func = func;
1233 re->opaque = opaque;
1234 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1235 }
1236
1237 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1238 {
1239 QEMUResetEntry *re;
1240
1241 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1242 if (re->func == func && re->opaque == opaque) {
1243 QTAILQ_REMOVE(&reset_handlers, re, entry);
1244 qemu_free(re);
1245 return;
1246 }
1247 }
1248 }
1249
1250 void qemu_system_reset(void)
1251 {
1252 QEMUResetEntry *re, *nre;
1253
1254 /* reset all devices */
1255 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1256 re->func(re->opaque);
1257 }
1258 monitor_protocol_event(QEVENT_RESET, NULL);
1259 cpu_synchronize_all_post_reset();
1260 }
1261
1262 void qemu_system_reset_request(void)
1263 {
1264 if (no_reboot) {
1265 shutdown_requested = 1;
1266 } else {
1267 reset_requested = 1;
1268 }
1269 cpu_stop_current();
1270 qemu_notify_event();
1271 }
1272
1273 void qemu_system_killed(int signal, pid_t pid)
1274 {
1275 shutdown_signal = signal;
1276 shutdown_pid = pid;
1277 qemu_system_shutdown_request();
1278 }
1279
1280 void qemu_system_shutdown_request(void)
1281 {
1282 shutdown_requested = 1;
1283 qemu_notify_event();
1284 }
1285
1286 void qemu_system_powerdown_request(void)
1287 {
1288 powerdown_requested = 1;
1289 qemu_notify_event();
1290 }
1291
1292 void qemu_system_debug_request(void)
1293 {
1294 debug_requested = 1;
1295 qemu_notify_event();
1296 }
1297
1298 void qemu_system_vmstop_request(int reason)
1299 {
1300 vmstop_requested = reason;
1301 qemu_notify_event();
1302 }
1303
1304 void main_loop_wait(int nonblocking)
1305 {
1306 fd_set rfds, wfds, xfds;
1307 int ret, nfds;
1308 struct timeval tv;
1309 int timeout;
1310
1311 if (nonblocking)
1312 timeout = 0;
1313 else {
1314 timeout = qemu_calculate_timeout();
1315 qemu_bh_update_timeout(&timeout);
1316 }
1317
1318 os_host_main_loop_wait(&timeout);
1319
1320 tv.tv_sec = timeout / 1000;
1321 tv.tv_usec = (timeout % 1000) * 1000;
1322
1323 /* poll any events */
1324 /* XXX: separate device handlers from system ones */
1325 nfds = -1;
1326 FD_ZERO(&rfds);
1327 FD_ZERO(&wfds);
1328 FD_ZERO(&xfds);
1329 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1330 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1331
1332 qemu_mutex_unlock_iothread();
1333 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1334 qemu_mutex_lock_iothread();
1335
1336 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1337 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1338
1339 qemu_run_all_timers();
1340
1341 /* Check bottom-halves last in case any of the earlier events triggered
1342 them. */
1343 qemu_bh_poll();
1344
1345 }
1346
1347 #ifndef CONFIG_IOTHREAD
1348 static int vm_request_pending(void)
1349 {
1350 return powerdown_requested ||
1351 reset_requested ||
1352 shutdown_requested ||
1353 debug_requested ||
1354 vmstop_requested;
1355 }
1356 #endif
1357
1358 qemu_irq qemu_system_powerdown;
1359
1360 static void main_loop(void)
1361 {
1362 bool nonblocking = false;
1363 #ifdef CONFIG_PROFILER
1364 int64_t ti;
1365 #endif
1366 int r;
1367
1368 qemu_main_loop_start();
1369
1370 for (;;) {
1371 #ifndef CONFIG_IOTHREAD
1372 nonblocking = cpu_exec_all();
1373 if (vm_request_pending()) {
1374 nonblocking = true;
1375 }
1376 #endif
1377 #ifdef CONFIG_PROFILER
1378 ti = profile_getclock();
1379 #endif
1380 main_loop_wait(nonblocking);
1381 #ifdef CONFIG_PROFILER
1382 dev_time += profile_getclock() - ti;
1383 #endif
1384
1385 if (qemu_debug_requested()) {
1386 vm_stop(VMSTOP_DEBUG);
1387 }
1388 if (qemu_shutdown_requested()) {
1389 qemu_kill_report();
1390 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1391 if (no_shutdown) {
1392 vm_stop(VMSTOP_SHUTDOWN);
1393 no_shutdown = 0;
1394 } else
1395 break;
1396 }
1397 if (qemu_reset_requested()) {
1398 pause_all_vcpus();
1399 cpu_synchronize_all_states();
1400 qemu_system_reset();
1401 resume_all_vcpus();
1402 }
1403 if (qemu_powerdown_requested()) {
1404 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1405 qemu_irq_raise(qemu_system_powerdown);
1406 }
1407 if ((r = qemu_vmstop_requested())) {
1408 vm_stop(r);
1409 }
1410 }
1411 bdrv_close_all();
1412 pause_all_vcpus();
1413 }
1414
1415 static void version(void)
1416 {
1417 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1418 }
1419
1420 static void help(int exitcode)
1421 {
1422 const char *options_help =
1423 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1424 opt_help
1425 #define DEFHEADING(text) stringify(text) "\n"
1426 #include "qemu-options.def"
1427 #undef DEF
1428 #undef DEFHEADING
1429 #undef GEN_DOCS
1430 ;
1431 version();
1432 printf("usage: %s [options] [disk_image]\n"
1433 "\n"
1434 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1435 "\n"
1436 "%s\n"
1437 "During emulation, the following keys are useful:\n"
1438 "ctrl-alt-f toggle full screen\n"
1439 "ctrl-alt-n switch to virtual console 'n'\n"
1440 "ctrl-alt toggle mouse and keyboard grab\n"
1441 "\n"
1442 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1443 "qemu",
1444 options_help);
1445 exit(exitcode);
1446 }
1447
1448 #define HAS_ARG 0x0001
1449
1450 typedef struct QEMUOption {
1451 const char *name;
1452 int flags;
1453 int index;
1454 uint32_t arch_mask;
1455 } QEMUOption;
1456
1457 static const QEMUOption qemu_options[] = {
1458 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1459 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1460 { option, opt_arg, opt_enum, arch_mask },
1461 #define DEFHEADING(text)
1462 #include "qemu-options.def"
1463 #undef DEF
1464 #undef DEFHEADING
1465 #undef GEN_DOCS
1466 { NULL },
1467 };
1468 static void select_vgahw (const char *p)
1469 {
1470 const char *opts;
1471
1472 default_vga = 0;
1473 vga_interface_type = VGA_NONE;
1474 if (strstart(p, "std", &opts)) {
1475 vga_interface_type = VGA_STD;
1476 } else if (strstart(p, "cirrus", &opts)) {
1477 vga_interface_type = VGA_CIRRUS;
1478 } else if (strstart(p, "vmware", &opts)) {
1479 vga_interface_type = VGA_VMWARE;
1480 } else if (strstart(p, "xenfb", &opts)) {
1481 vga_interface_type = VGA_XENFB;
1482 } else if (strstart(p, "qxl", &opts)) {
1483 vga_interface_type = VGA_QXL;
1484 } else if (!strstart(p, "none", &opts)) {
1485 invalid_vga:
1486 fprintf(stderr, "Unknown vga type: %s\n", p);
1487 exit(1);
1488 }
1489 while (*opts) {
1490 const char *nextopt;
1491
1492 if (strstart(opts, ",retrace=", &nextopt)) {
1493 opts = nextopt;
1494 if (strstart(opts, "dumb", &nextopt))
1495 vga_retrace_method = VGA_RETRACE_DUMB;
1496 else if (strstart(opts, "precise", &nextopt))
1497 vga_retrace_method = VGA_RETRACE_PRECISE;
1498 else goto invalid_vga;
1499 } else goto invalid_vga;
1500 opts = nextopt;
1501 }
1502 }
1503
1504 static DisplayType select_display(const char *p)
1505 {
1506 const char *opts;
1507 DisplayType display = DT_DEFAULT;
1508
1509 if (strstart(p, "sdl", &opts)) {
1510 #ifdef CONFIG_SDL
1511 display = DT_SDL;
1512 while (*opts) {
1513 const char *nextopt;
1514
1515 if (strstart(opts, ",frame=", &nextopt)) {
1516 opts = nextopt;
1517 if (strstart(opts, "on", &nextopt)) {
1518 no_frame = 0;
1519 } else if (strstart(opts, "off", &nextopt)) {
1520 no_frame = 1;
1521 } else {
1522 goto invalid_sdl_args;
1523 }
1524 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1525 opts = nextopt;
1526 if (strstart(opts, "on", &nextopt)) {
1527 alt_grab = 1;
1528 } else if (strstart(opts, "off", &nextopt)) {
1529 alt_grab = 0;
1530 } else {
1531 goto invalid_sdl_args;
1532 }
1533 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1534 opts = nextopt;
1535 if (strstart(opts, "on", &nextopt)) {
1536 ctrl_grab = 1;
1537 } else if (strstart(opts, "off", &nextopt)) {
1538 ctrl_grab = 0;
1539 } else {
1540 goto invalid_sdl_args;
1541 }
1542 } else if (strstart(opts, ",window_close=", &nextopt)) {
1543 opts = nextopt;
1544 if (strstart(opts, "on", &nextopt)) {
1545 no_quit = 0;
1546 } else if (strstart(opts, "off", &nextopt)) {
1547 no_quit = 1;
1548 } else {
1549 goto invalid_sdl_args;
1550 }
1551 } else {
1552 invalid_sdl_args:
1553 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1554 exit(1);
1555 }
1556 opts = nextopt;
1557 }
1558 #else
1559 fprintf(stderr, "SDL support is disabled\n");
1560 exit(1);
1561 #endif
1562 } else if (strstart(p, "vnc", &opts)) {
1563 #ifdef CONFIG_VNC
1564 display_remote++;
1565
1566 if (*opts) {
1567 const char *nextopt;
1568
1569 if (strstart(opts, "=", &nextopt)) {
1570 vnc_display = nextopt;
1571 }
1572 }
1573 if (!vnc_display) {
1574 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1575 exit(1);
1576 }
1577 #else
1578 fprintf(stderr, "VNC support is disabled\n");
1579 exit(1);
1580 #endif
1581 } else if (strstart(p, "curses", &opts)) {
1582 #ifdef CONFIG_CURSES
1583 display = DT_CURSES;
1584 #else
1585 fprintf(stderr, "Curses support is disabled\n");
1586 exit(1);
1587 #endif
1588 } else if (strstart(p, "none", &opts)) {
1589 display = DT_NONE;
1590 } else {
1591 fprintf(stderr, "Unknown display type: %s\n", p);
1592 exit(1);
1593 }
1594
1595 return display;
1596 }
1597
1598 static int balloon_parse(const char *arg)
1599 {
1600 QemuOpts *opts;
1601
1602 if (strcmp(arg, "none") == 0) {
1603 return 0;
1604 }
1605
1606 if (!strncmp(arg, "virtio", 6)) {
1607 if (arg[6] == ',') {
1608 /* have params -> parse them */
1609 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1610 if (!opts)
1611 return -1;
1612 } else {
1613 /* create empty opts */
1614 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1615 }
1616 qemu_opt_set(opts, "driver", "virtio-balloon");
1617 return 0;
1618 }
1619
1620 return -1;
1621 }
1622
1623 char *qemu_find_file(int type, const char *name)
1624 {
1625 int len;
1626 const char *subdir;
1627 char *buf;
1628
1629 /* If name contains path separators then try it as a straight path. */
1630 if ((strchr(name, '/') || strchr(name, '\\'))
1631 && access(name, R_OK) == 0) {
1632 return qemu_strdup(name);
1633 }
1634 switch (type) {
1635 case QEMU_FILE_TYPE_BIOS:
1636 subdir = "";
1637 break;
1638 case QEMU_FILE_TYPE_KEYMAP:
1639 subdir = "keymaps/";
1640 break;
1641 default:
1642 abort();
1643 }
1644 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1645 buf = qemu_mallocz(len);
1646 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1647 if (access(buf, R_OK)) {
1648 qemu_free(buf);
1649 return NULL;
1650 }
1651 return buf;
1652 }
1653
1654 static int device_help_func(QemuOpts *opts, void *opaque)
1655 {
1656 return qdev_device_help(opts);
1657 }
1658
1659 static int device_init_func(QemuOpts *opts, void *opaque)
1660 {
1661 DeviceState *dev;
1662
1663 dev = qdev_device_add(opts);
1664 if (!dev)
1665 return -1;
1666 return 0;
1667 }
1668
1669 static int chardev_init_func(QemuOpts *opts, void *opaque)
1670 {
1671 CharDriverState *chr;
1672
1673 chr = qemu_chr_open_opts(opts, NULL);
1674 if (!chr)
1675 return -1;
1676 return 0;
1677 }
1678
1679 #ifdef CONFIG_VIRTFS
1680 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1681 {
1682 int ret;
1683 ret = qemu_fsdev_add(opts);
1684
1685 return ret;
1686 }
1687 #endif
1688
1689 static int mon_init_func(QemuOpts *opts, void *opaque)
1690 {
1691 CharDriverState *chr;
1692 const char *chardev;
1693 const char *mode;
1694 int flags;
1695
1696 mode = qemu_opt_get(opts, "mode");
1697 if (mode == NULL) {
1698 mode = "readline";
1699 }
1700 if (strcmp(mode, "readline") == 0) {
1701 flags = MONITOR_USE_READLINE;
1702 } else if (strcmp(mode, "control") == 0) {
1703 flags = MONITOR_USE_CONTROL;
1704 } else {
1705 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1706 exit(1);
1707 }
1708
1709 if (qemu_opt_get_bool(opts, "pretty", 0))
1710 flags |= MONITOR_USE_PRETTY;
1711
1712 if (qemu_opt_get_bool(opts, "default", 0))
1713 flags |= MONITOR_IS_DEFAULT;
1714
1715 chardev = qemu_opt_get(opts, "chardev");
1716 chr = qemu_chr_find(chardev);
1717 if (chr == NULL) {
1718 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1719 exit(1);
1720 }
1721
1722 monitor_init(chr, flags);
1723 return 0;
1724 }
1725
1726 static void monitor_parse(const char *optarg, const char *mode)
1727 {
1728 static int monitor_device_index = 0;
1729 QemuOpts *opts;
1730 const char *p;
1731 char label[32];
1732 int def = 0;
1733
1734 if (strstart(optarg, "chardev:", &p)) {
1735 snprintf(label, sizeof(label), "%s", p);
1736 } else {
1737 snprintf(label, sizeof(label), "compat_monitor%d",
1738 monitor_device_index);
1739 if (monitor_device_index == 0) {
1740 def = 1;
1741 }
1742 opts = qemu_chr_parse_compat(label, optarg);
1743 if (!opts) {
1744 fprintf(stderr, "parse error: %s\n", optarg);
1745 exit(1);
1746 }
1747 }
1748
1749 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1750 if (!opts) {
1751 fprintf(stderr, "duplicate chardev: %s\n", label);
1752 exit(1);
1753 }
1754 qemu_opt_set(opts, "mode", mode);
1755 qemu_opt_set(opts, "chardev", label);
1756 if (def)
1757 qemu_opt_set(opts, "default", "on");
1758 monitor_device_index++;
1759 }
1760
1761 struct device_config {
1762 enum {
1763 DEV_USB, /* -usbdevice */
1764 DEV_BT, /* -bt */
1765 DEV_SERIAL, /* -serial */
1766 DEV_PARALLEL, /* -parallel */
1767 DEV_VIRTCON, /* -virtioconsole */
1768 DEV_DEBUGCON, /* -debugcon */
1769 } type;
1770 const char *cmdline;
1771 QTAILQ_ENTRY(device_config) next;
1772 };
1773 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1774
1775 static void add_device_config(int type, const char *cmdline)
1776 {
1777 struct device_config *conf;
1778
1779 conf = qemu_mallocz(sizeof(*conf));
1780 conf->type = type;
1781 conf->cmdline = cmdline;
1782 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1783 }
1784
1785 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1786 {
1787 struct device_config *conf;
1788 int rc;
1789
1790 QTAILQ_FOREACH(conf, &device_configs, next) {
1791 if (conf->type != type)
1792 continue;
1793 rc = func(conf->cmdline);
1794 if (0 != rc)
1795 return rc;
1796 }
1797 return 0;
1798 }
1799
1800 static int serial_parse(const char *devname)
1801 {
1802 static int index = 0;
1803 char label[32];
1804
1805 if (strcmp(devname, "none") == 0)
1806 return 0;
1807 if (index == MAX_SERIAL_PORTS) {
1808 fprintf(stderr, "qemu: too many serial ports\n");
1809 exit(1);
1810 }
1811 snprintf(label, sizeof(label), "serial%d", index);
1812 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1813 if (!serial_hds[index]) {
1814 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1815 devname, strerror(errno));
1816 return -1;
1817 }
1818 index++;
1819 return 0;
1820 }
1821
1822 static int parallel_parse(const char *devname)
1823 {
1824 static int index = 0;
1825 char label[32];
1826
1827 if (strcmp(devname, "none") == 0)
1828 return 0;
1829 if (index == MAX_PARALLEL_PORTS) {
1830 fprintf(stderr, "qemu: too many parallel ports\n");
1831 exit(1);
1832 }
1833 snprintf(label, sizeof(label), "parallel%d", index);
1834 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1835 if (!parallel_hds[index]) {
1836 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1837 devname, strerror(errno));
1838 return -1;
1839 }
1840 index++;
1841 return 0;
1842 }
1843
1844 static int virtcon_parse(const char *devname)
1845 {
1846 QemuOptsList *device = qemu_find_opts("device");
1847 static int index = 0;
1848 char label[32];
1849 QemuOpts *bus_opts, *dev_opts;
1850
1851 if (strcmp(devname, "none") == 0)
1852 return 0;
1853 if (index == MAX_VIRTIO_CONSOLES) {
1854 fprintf(stderr, "qemu: too many virtio consoles\n");
1855 exit(1);
1856 }
1857
1858 bus_opts = qemu_opts_create(device, NULL, 0);
1859 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1860
1861 dev_opts = qemu_opts_create(device, NULL, 0);
1862 qemu_opt_set(dev_opts, "driver", "virtconsole");
1863
1864 snprintf(label, sizeof(label), "virtcon%d", index);
1865 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1866 if (!virtcon_hds[index]) {
1867 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1868 devname, strerror(errno));
1869 return -1;
1870 }
1871 qemu_opt_set(dev_opts, "chardev", label);
1872
1873 index++;
1874 return 0;
1875 }
1876
1877 static int debugcon_parse(const char *devname)
1878 {
1879 QemuOpts *opts;
1880
1881 if (!qemu_chr_open("debugcon", devname, NULL)) {
1882 exit(1);
1883 }
1884 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1885 if (!opts) {
1886 fprintf(stderr, "qemu: already have a debugcon device\n");
1887 exit(1);
1888 }
1889 qemu_opt_set(opts, "driver", "isa-debugcon");
1890 qemu_opt_set(opts, "chardev", "debugcon");
1891 return 0;
1892 }
1893
1894 static int tcg_init(void)
1895 {
1896 return 0;
1897 }
1898
1899 static struct {
1900 const char *opt_name;
1901 const char *name;
1902 int (*available)(void);
1903 int (*init)(void);
1904 int *allowed;
1905 } accel_list[] = {
1906 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1907 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1908 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1909 };
1910
1911 static int configure_accelerator(void)
1912 {
1913 const char *p = NULL;
1914 char buf[10];
1915 int i, ret;
1916 bool accel_initalised = 0;
1917 bool init_failed = 0;
1918
1919 QemuOptsList *list = qemu_find_opts("machine");
1920 if (!QTAILQ_EMPTY(&list->head)) {
1921 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
1922 }
1923
1924 if (p == NULL) {
1925 /* Use the default "accelerator", tcg */
1926 p = "tcg";
1927 }
1928
1929 while (!accel_initalised && *p != '\0') {
1930 if (*p == ':') {
1931 p++;
1932 }
1933 p = get_opt_name(buf, sizeof (buf), p, ':');
1934 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
1935 if (strcmp(accel_list[i].opt_name, buf) == 0) {
1936 ret = accel_list[i].init();
1937 if (ret < 0) {
1938 init_failed = 1;
1939 if (!accel_list[i].available()) {
1940 printf("%s not supported for this target\n",
1941 accel_list[i].name);
1942 } else {
1943 fprintf(stderr, "failed to initialize %s: %s\n",
1944 accel_list[i].name,
1945 strerror(-ret));
1946 }
1947 } else {
1948 accel_initalised = 1;
1949 *(accel_list[i].allowed) = 1;
1950 }
1951 break;
1952 }
1953 }
1954 if (i == ARRAY_SIZE(accel_list)) {
1955 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
1956 }
1957 }
1958
1959 if (!accel_initalised) {
1960 fprintf(stderr, "No accelerator found!\n");
1961 exit(1);
1962 }
1963
1964 if (init_failed) {
1965 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
1966 }
1967
1968 return !accel_initalised;
1969 }
1970
1971 void qemu_add_exit_notifier(Notifier *notify)
1972 {
1973 notifier_list_add(&exit_notifiers, notify);
1974 }
1975
1976 void qemu_remove_exit_notifier(Notifier *notify)
1977 {
1978 notifier_list_remove(&exit_notifiers, notify);
1979 }
1980
1981 static void qemu_run_exit_notifiers(void)
1982 {
1983 notifier_list_notify(&exit_notifiers);
1984 }
1985
1986 void qemu_add_machine_init_done_notifier(Notifier *notify)
1987 {
1988 notifier_list_add(&machine_init_done_notifiers, notify);
1989 }
1990
1991 static void qemu_run_machine_init_done_notifiers(void)
1992 {
1993 notifier_list_notify(&machine_init_done_notifiers);
1994 }
1995
1996 static const QEMUOption *lookup_opt(int argc, char **argv,
1997 const char **poptarg, int *poptind)
1998 {
1999 const QEMUOption *popt;
2000 int optind = *poptind;
2001 char *r = argv[optind];
2002 const char *optarg;
2003
2004 loc_set_cmdline(argv, optind, 1);
2005 optind++;
2006 /* Treat --foo the same as -foo. */
2007 if (r[1] == '-')
2008 r++;
2009 popt = qemu_options;
2010 for(;;) {
2011 if (!popt->name) {
2012 error_report("invalid option");
2013 exit(1);
2014 }
2015 if (!strcmp(popt->name, r + 1))
2016 break;
2017 popt++;
2018 }
2019 if (popt->flags & HAS_ARG) {
2020 if (optind >= argc) {
2021 error_report("requires an argument");
2022 exit(1);
2023 }
2024 optarg = argv[optind++];
2025 loc_set_cmdline(argv, optind - 2, 2);
2026 } else {
2027 optarg = NULL;
2028 }
2029
2030 *poptarg = optarg;
2031 *poptind = optind;
2032
2033 return popt;
2034 }
2035
2036 int main(int argc, char **argv, char **envp)
2037 {
2038 const char *gdbstub_dev = NULL;
2039 int i;
2040 int snapshot, linux_boot;
2041 const char *icount_option = NULL;
2042 const char *initrd_filename;
2043 const char *kernel_filename, *kernel_cmdline;
2044 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2045 DisplayState *ds;
2046 DisplayChangeListener *dcl;
2047 int cyls, heads, secs, translation;
2048 QemuOpts *hda_opts = NULL, *opts;
2049 QemuOptsList *olist;
2050 int optind;
2051 const char *optarg;
2052 const char *loadvm = NULL;
2053 QEMUMachine *machine;
2054 const char *cpu_model;
2055 int tb_size;
2056 const char *pid_file = NULL;
2057 const char *incoming = NULL;
2058 #ifdef CONFIG_VNC
2059 int show_vnc_port = 0;
2060 #endif
2061 int defconfig = 1;
2062 const char *trace_file = NULL;
2063
2064 atexit(qemu_run_exit_notifiers);
2065 error_set_progname(argv[0]);
2066
2067 init_clocks();
2068
2069 qemu_cache_utils_init(envp);
2070
2071 QLIST_INIT (&vm_change_state_head);
2072 os_setup_early_signal_handling();
2073
2074 module_call_init(MODULE_INIT_MACHINE);
2075 machine = find_default_machine();
2076 cpu_model = NULL;
2077 initrd_filename = NULL;
2078 ram_size = 0;
2079 snapshot = 0;
2080 kernel_filename = NULL;
2081 kernel_cmdline = "";
2082 cyls = heads = secs = 0;
2083 translation = BIOS_ATA_TRANSLATION_AUTO;
2084
2085 for (i = 0; i < MAX_NODES; i++) {
2086 node_mem[i] = 0;
2087 node_cpumask[i] = 0;
2088 }
2089
2090 nb_numa_nodes = 0;
2091 nb_nics = 0;
2092
2093 tb_size = 0;
2094 autostart= 1;
2095
2096 /* first pass of option parsing */
2097 optind = 1;
2098 while (optind < argc) {
2099 if (argv[optind][0] != '-') {
2100 /* disk image */
2101 optind++;
2102 continue;
2103 } else {
2104 const QEMUOption *popt;
2105
2106 popt = lookup_opt(argc, argv, &optarg, &optind);
2107 switch (popt->index) {
2108 case QEMU_OPTION_nodefconfig:
2109 defconfig=0;
2110 break;
2111 }
2112 }
2113 }
2114
2115 if (defconfig) {
2116 int ret;
2117
2118 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2119 if (ret < 0 && ret != -ENOENT) {
2120 exit(1);
2121 }
2122
2123 ret = qemu_read_config_file(arch_config_name);
2124 if (ret < 0 && ret != -ENOENT) {
2125 exit(1);
2126 }
2127 }
2128 cpudef_init();
2129
2130 /* second pass of option parsing */
2131 optind = 1;
2132 for(;;) {
2133 if (optind >= argc)
2134 break;
2135 if (argv[optind][0] != '-') {
2136 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2137 } else {
2138 const QEMUOption *popt;
2139
2140 popt = lookup_opt(argc, argv, &optarg, &optind);
2141 if (!(popt->arch_mask & arch_type)) {
2142 printf("Option %s not supported for this target\n", popt->name);
2143 exit(1);
2144 }
2145 switch(popt->index) {
2146 case QEMU_OPTION_M:
2147 machine = find_machine(optarg);
2148 if (!machine) {
2149 QEMUMachine *m;
2150 printf("Supported machines are:\n");
2151 for(m = first_machine; m != NULL; m = m->next) {
2152 if (m->alias)
2153 printf("%-10s %s (alias of %s)\n",
2154 m->alias, m->desc, m->name);
2155 printf("%-10s %s%s\n",
2156 m->name, m->desc,
2157 m->is_default ? " (default)" : "");
2158 }
2159 exit(*optarg != '?');
2160 }
2161 break;
2162 case QEMU_OPTION_cpu:
2163 /* hw initialization will check this */
2164 if (*optarg == '?') {
2165 list_cpus(stdout, &fprintf, optarg);
2166 exit(0);
2167 } else {
2168 cpu_model = optarg;
2169 }
2170 break;
2171 case QEMU_OPTION_initrd:
2172 initrd_filename = optarg;
2173 break;
2174 case QEMU_OPTION_hda:
2175 {
2176 char buf[256];
2177 if (cyls == 0)
2178 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2179 else
2180 snprintf(buf, sizeof(buf),
2181 "%s,cyls=%d,heads=%d,secs=%d%s",
2182 HD_OPTS , cyls, heads, secs,
2183 translation == BIOS_ATA_TRANSLATION_LBA ?
2184 ",trans=lba" :
2185 translation == BIOS_ATA_TRANSLATION_NONE ?
2186 ",trans=none" : "");
2187 drive_add(IF_DEFAULT, 0, optarg, buf);
2188 break;
2189 }
2190 case QEMU_OPTION_hdb:
2191 case QEMU_OPTION_hdc:
2192 case QEMU_OPTION_hdd:
2193 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2194 HD_OPTS);
2195 break;
2196 case QEMU_OPTION_drive:
2197 if (drive_def(optarg) == NULL) {
2198 exit(1);
2199 }
2200 break;
2201 case QEMU_OPTION_set:
2202 if (qemu_set_option(optarg) != 0)
2203 exit(1);
2204 break;
2205 case QEMU_OPTION_global:
2206 if (qemu_global_option(optarg) != 0)
2207 exit(1);
2208 break;
2209 case QEMU_OPTION_mtdblock:
2210 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2211 break;
2212 case QEMU_OPTION_sd:
2213 drive_add(IF_SD, 0, optarg, SD_OPTS);
2214 break;
2215 case QEMU_OPTION_pflash:
2216 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2217 break;
2218 case QEMU_OPTION_snapshot:
2219 snapshot = 1;
2220 break;
2221 case QEMU_OPTION_hdachs:
2222 {
2223 const char *p;
2224 p = optarg;
2225 cyls = strtol(p, (char **)&p, 0);
2226 if (cyls < 1 || cyls > 16383)
2227 goto chs_fail;
2228 if (*p != ',')
2229 goto chs_fail;
2230 p++;
2231 heads = strtol(p, (char **)&p, 0);
2232 if (heads < 1 || heads > 16)
2233 goto chs_fail;
2234 if (*p != ',')
2235 goto chs_fail;
2236 p++;
2237 secs = strtol(p, (char **)&p, 0);
2238 if (secs < 1 || secs > 63)
2239 goto chs_fail;
2240 if (*p == ',') {
2241 p++;
2242 if (!strcmp(p, "none"))
2243 translation = BIOS_ATA_TRANSLATION_NONE;
2244 else if (!strcmp(p, "lba"))
2245 translation = BIOS_ATA_TRANSLATION_LBA;
2246 else if (!strcmp(p, "auto"))
2247 translation = BIOS_ATA_TRANSLATION_AUTO;
2248 else
2249 goto chs_fail;
2250 } else if (*p != '\0') {
2251 chs_fail:
2252 fprintf(stderr, "qemu: invalid physical CHS format\n");
2253 exit(1);
2254 }
2255 if (hda_opts != NULL) {
2256 char num[16];
2257 snprintf(num, sizeof(num), "%d", cyls);
2258 qemu_opt_set(hda_opts, "cyls", num);
2259 snprintf(num, sizeof(num), "%d", heads);
2260 qemu_opt_set(hda_opts, "heads", num);
2261 snprintf(num, sizeof(num), "%d", secs);
2262 qemu_opt_set(hda_opts, "secs", num);
2263 if (translation == BIOS_ATA_TRANSLATION_LBA)
2264 qemu_opt_set(hda_opts, "trans", "lba");
2265 if (translation == BIOS_ATA_TRANSLATION_NONE)
2266 qemu_opt_set(hda_opts, "trans", "none");
2267 }
2268 }
2269 break;
2270 case QEMU_OPTION_numa:
2271 if (nb_numa_nodes >= MAX_NODES) {
2272 fprintf(stderr, "qemu: too many NUMA nodes\n");
2273 exit(1);
2274 }
2275 numa_add(optarg);
2276 break;
2277 case QEMU_OPTION_display:
2278 display_type = select_display(optarg);
2279 break;
2280 case QEMU_OPTION_nographic:
2281 display_type = DT_NOGRAPHIC;
2282 break;
2283 case QEMU_OPTION_curses:
2284 #ifdef CONFIG_CURSES
2285 display_type = DT_CURSES;
2286 #else
2287 fprintf(stderr, "Curses support is disabled\n");
2288 exit(1);
2289 #endif
2290 break;
2291 case QEMU_OPTION_portrait:
2292 graphic_rotate = 1;
2293 break;
2294 case QEMU_OPTION_kernel:
2295 kernel_filename = optarg;
2296 break;
2297 case QEMU_OPTION_append:
2298 kernel_cmdline = optarg;
2299 break;
2300 case QEMU_OPTION_cdrom:
2301 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2302 break;
2303 case QEMU_OPTION_boot:
2304 {
2305 static const char * const params[] = {
2306 "order", "once", "menu", NULL
2307 };
2308 char buf[sizeof(boot_devices)];
2309 char *standard_boot_devices;
2310 int legacy = 0;
2311
2312 if (!strchr(optarg, '=')) {
2313 legacy = 1;
2314 pstrcpy(buf, sizeof(buf), optarg);
2315 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2316 fprintf(stderr,
2317 "qemu: unknown boot parameter '%s' in '%s'\n",
2318 buf, optarg);
2319 exit(1);
2320 }
2321
2322 if (legacy ||
2323 get_param_value(buf, sizeof(buf), "order", optarg)) {
2324 validate_bootdevices(buf);
2325 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2326 }
2327 if (!legacy) {
2328 if (get_param_value(buf, sizeof(buf),
2329 "once", optarg)) {
2330 validate_bootdevices(buf);
2331 standard_boot_devices = qemu_strdup(boot_devices);
2332 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2333 qemu_register_reset(restore_boot_devices,
2334 standard_boot_devices);
2335 }
2336 if (get_param_value(buf, sizeof(buf),
2337 "menu", optarg)) {
2338 if (!strcmp(buf, "on")) {
2339 boot_menu = 1;
2340 } else if (!strcmp(buf, "off")) {
2341 boot_menu = 0;
2342 } else {
2343 fprintf(stderr,
2344 "qemu: invalid option value '%s'\n",
2345 buf);
2346 exit(1);
2347 }
2348 }
2349 }
2350 }
2351 break;
2352 case QEMU_OPTION_fda:
2353 case QEMU_OPTION_fdb:
2354 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2355 optarg, FD_OPTS);
2356 break;
2357 case QEMU_OPTION_no_fd_bootchk:
2358 fd_bootchk = 0;
2359 break;
2360 case QEMU_OPTION_netdev:
2361 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2362 exit(1);
2363 }
2364 break;
2365 case QEMU_OPTION_net:
2366 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2367 exit(1);
2368 }
2369 break;
2370 #ifdef CONFIG_SLIRP
2371 case QEMU_OPTION_tftp:
2372 legacy_tftp_prefix = optarg;
2373 break;
2374 case QEMU_OPTION_bootp:
2375 legacy_bootp_filename = optarg;
2376 break;
2377 case QEMU_OPTION_redir:
2378 if (net_slirp_redir(optarg) < 0)
2379 exit(1);
2380 break;
2381 #endif
2382 case QEMU_OPTION_bt:
2383 add_device_config(DEV_BT, optarg);
2384 break;
2385 case QEMU_OPTION_audio_help:
2386 if (!(audio_available())) {
2387 printf("Option %s not supported for this target\n", popt->name);
2388 exit(1);
2389 }
2390 AUD_help ();
2391 exit (0);
2392 break;
2393 case QEMU_OPTION_soundhw:
2394 if (!(audio_available())) {
2395 printf("Option %s not supported for this target\n", popt->name);
2396 exit(1);
2397 }
2398 select_soundhw (optarg);
2399 break;
2400 case QEMU_OPTION_h:
2401 help(0);
2402 break;
2403 case QEMU_OPTION_version:
2404 version();
2405 exit(0);
2406 break;
2407 case QEMU_OPTION_m: {
2408 int64_t value;
2409
2410 value = strtosz(optarg, NULL);
2411 if (value < 0) {
2412 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2413 exit(1);
2414 }
2415
2416 /* On 32-bit hosts, QEMU is limited by virtual address space */
2417 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2418 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2419 exit(1);
2420 }
2421 if (value != (uint64_t)(ram_addr_t)value) {
2422 fprintf(stderr, "qemu: ram size too large\n");
2423 exit(1);
2424 }
2425 ram_size = value;
2426 break;
2427 }
2428 case QEMU_OPTION_mempath:
2429 mem_path = optarg;
2430 break;
2431 #ifdef MAP_POPULATE
2432 case QEMU_OPTION_mem_prealloc:
2433 mem_prealloc = 1;
2434 break;
2435 #endif
2436 case QEMU_OPTION_d:
2437 set_cpu_log(optarg);
2438 break;
2439 case QEMU_OPTION_s:
2440 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2441 break;
2442 case QEMU_OPTION_gdb:
2443 gdbstub_dev = optarg;
2444 break;
2445 case QEMU_OPTION_L:
2446 data_dir = optarg;
2447 break;
2448 case QEMU_OPTION_bios:
2449 bios_name = optarg;
2450 break;
2451 case QEMU_OPTION_singlestep:
2452 singlestep = 1;
2453 break;
2454 case QEMU_OPTION_S:
2455 autostart = 0;
2456 break;
2457 case QEMU_OPTION_k:
2458 keyboard_layout = optarg;
2459 break;
2460 case QEMU_OPTION_localtime:
2461 rtc_utc = 0;
2462 break;
2463 case QEMU_OPTION_vga:
2464 select_vgahw (optarg);
2465 break;
2466 case QEMU_OPTION_g:
2467 {
2468 const char *p;
2469 int w, h, depth;
2470 p = optarg;
2471 w = strtol(p, (char **)&p, 10);
2472 if (w <= 0) {
2473 graphic_error:
2474 fprintf(stderr, "qemu: invalid resolution or depth\n");
2475 exit(1);
2476 }
2477 if (*p != 'x')
2478 goto graphic_error;
2479 p++;
2480 h = strtol(p, (char **)&p, 10);
2481 if (h <= 0)
2482 goto graphic_error;
2483 if (*p == 'x') {
2484 p++;
2485 depth = strtol(p, (char **)&p, 10);
2486 if (depth != 8 && depth != 15 && depth != 16 &&
2487 depth != 24 && depth != 32)
2488 goto graphic_error;
2489 } else if (*p == '\0') {
2490 depth = graphic_depth;
2491 } else {
2492 goto graphic_error;
2493 }
2494
2495 graphic_width = w;
2496 graphic_height = h;
2497 graphic_depth = depth;
2498 }
2499 break;
2500 case QEMU_OPTION_echr:
2501 {
2502 char *r;
2503 term_escape_char = strtol(optarg, &r, 0);
2504 if (r == optarg)
2505 printf("Bad argument to echr\n");
2506 break;
2507 }
2508 case QEMU_OPTION_monitor:
2509 monitor_parse(optarg, "readline");
2510 default_monitor = 0;
2511 break;
2512 case QEMU_OPTION_qmp:
2513 monitor_parse(optarg, "control");
2514 default_monitor = 0;
2515 break;
2516 case QEMU_OPTION_mon:
2517 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2518 if (!opts) {
2519 exit(1);
2520 }
2521 default_monitor = 0;
2522 break;
2523 case QEMU_OPTION_chardev:
2524 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2525 if (!opts) {
2526 exit(1);
2527 }
2528 break;
2529 case QEMU_OPTION_fsdev:
2530 olist = qemu_find_opts("fsdev");
2531 if (!olist) {
2532 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2533 exit(1);
2534 }
2535 opts = qemu_opts_parse(olist, optarg, 1);
2536 if (!opts) {
2537 fprintf(stderr, "parse error: %s\n", optarg);
2538 exit(1);
2539 }
2540 break;
2541 case QEMU_OPTION_virtfs: {
2542 QemuOpts *fsdev;
2543 QemuOpts *device;
2544
2545 olist = qemu_find_opts("virtfs");
2546 if (!olist) {
2547 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2548 exit(1);
2549 }
2550 opts = qemu_opts_parse(olist, optarg, 1);
2551 if (!opts) {
2552 fprintf(stderr, "parse error: %s\n", optarg);
2553 exit(1);
2554 }
2555
2556 if (qemu_opt_get(opts, "fstype") == NULL ||
2557 qemu_opt_get(opts, "mount_tag") == NULL ||
2558 qemu_opt_get(opts, "path") == NULL ||
2559 qemu_opt_get(opts, "security_model") == NULL) {
2560 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2561 "security_model=[mapped|passthrough|none],"
2562 "mount_tag=tag.\n");
2563 exit(1);
2564 }
2565
2566 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2567 qemu_opt_get(opts, "mount_tag"), 1);
2568 if (!fsdev) {
2569 fprintf(stderr, "duplicate fsdev id: %s\n",
2570 qemu_opt_get(opts, "mount_tag"));
2571 exit(1);
2572 }
2573 qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2574 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2575 qemu_opt_set(fsdev, "security_model",
2576 qemu_opt_get(opts, "security_model"));
2577
2578 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2579 qemu_opt_set(device, "driver", "virtio-9p-pci");
2580 qemu_opt_set(device, "fsdev",
2581 qemu_opt_get(opts, "mount_tag"));
2582 qemu_opt_set(device, "mount_tag",
2583 qemu_opt_get(opts, "mount_tag"));
2584 break;
2585 }
2586 case QEMU_OPTION_serial:
2587 add_device_config(DEV_SERIAL, optarg);
2588 default_serial = 0;
2589 if (strncmp(optarg, "mon:", 4) == 0) {
2590 default_monitor = 0;
2591 }
2592 break;
2593 case QEMU_OPTION_watchdog:
2594 if (watchdog) {
2595 fprintf(stderr,
2596 "qemu: only one watchdog option may be given\n");
2597 return 1;
2598 }
2599 watchdog = optarg;
2600 break;
2601 case QEMU_OPTION_watchdog_action:
2602 if (select_watchdog_action(optarg) == -1) {
2603 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2604 exit(1);
2605 }
2606 break;
2607 case QEMU_OPTION_virtiocon:
2608 add_device_config(DEV_VIRTCON, optarg);
2609 default_virtcon = 0;
2610 if (strncmp(optarg, "mon:", 4) == 0) {
2611 default_monitor = 0;
2612 }
2613 break;
2614 case QEMU_OPTION_parallel:
2615 add_device_config(DEV_PARALLEL, optarg);
2616 default_parallel = 0;
2617 if (strncmp(optarg, "mon:", 4) == 0) {
2618 default_monitor = 0;
2619 }
2620 break;
2621 case QEMU_OPTION_debugcon:
2622 add_device_config(DEV_DEBUGCON, optarg);
2623 break;
2624 case QEMU_OPTION_loadvm:
2625 loadvm = optarg;
2626 break;
2627 case QEMU_OPTION_full_screen:
2628 full_screen = 1;
2629 break;
2630 #ifdef CONFIG_SDL
2631 case QEMU_OPTION_no_frame:
2632 no_frame = 1;
2633 break;
2634 case QEMU_OPTION_alt_grab:
2635 alt_grab = 1;
2636 break;
2637 case QEMU_OPTION_ctrl_grab:
2638 ctrl_grab = 1;
2639 break;
2640 case QEMU_OPTION_no_quit:
2641 no_quit = 1;
2642 break;
2643 case QEMU_OPTION_sdl:
2644 display_type = DT_SDL;
2645 break;
2646 #else
2647 case QEMU_OPTION_no_frame:
2648 case QEMU_OPTION_alt_grab:
2649 case QEMU_OPTION_ctrl_grab:
2650 case QEMU_OPTION_no_quit:
2651 case QEMU_OPTION_sdl:
2652 fprintf(stderr, "SDL support is disabled\n");
2653 exit(1);
2654 #endif
2655 case QEMU_OPTION_pidfile:
2656 pid_file = optarg;
2657 break;
2658 case QEMU_OPTION_win2k_hack:
2659 win2k_install_hack = 1;
2660 break;
2661 case QEMU_OPTION_rtc_td_hack:
2662 rtc_td_hack = 1;
2663 break;
2664 case QEMU_OPTION_acpitable:
2665 do_acpitable_option(optarg);
2666 break;
2667 case QEMU_OPTION_smbios:
2668 do_smbios_option(optarg);
2669 break;
2670 case QEMU_OPTION_enable_kvm:
2671 olist = qemu_find_opts("machine");
2672 qemu_opts_reset(olist);
2673 qemu_opts_parse(olist, "accel=kvm", 0);
2674 break;
2675 case QEMU_OPTION_machine:
2676 olist = qemu_find_opts("machine");
2677 qemu_opts_reset(olist);
2678 opts = qemu_opts_parse(olist, optarg, 0);
2679 if (!opts) {
2680 fprintf(stderr, "parse error: %s\n", optarg);
2681 exit(1);
2682 }
2683 break;
2684 case QEMU_OPTION_usb:
2685 usb_enabled = 1;
2686 break;
2687 case QEMU_OPTION_usbdevice:
2688 usb_enabled = 1;
2689 add_device_config(DEV_USB, optarg);
2690 break;
2691 case QEMU_OPTION_device:
2692 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2693 exit(1);
2694 }
2695 break;
2696 case QEMU_OPTION_smp:
2697 smp_parse(optarg);
2698 if (smp_cpus < 1) {
2699 fprintf(stderr, "Invalid number of CPUs\n");
2700 exit(1);
2701 }
2702 if (max_cpus < smp_cpus) {
2703 fprintf(stderr, "maxcpus must be equal to or greater than "
2704 "smp\n");
2705 exit(1);
2706 }
2707 if (max_cpus > 255) {
2708 fprintf(stderr, "Unsupported number of maxcpus\n");
2709 exit(1);
2710 }
2711 break;
2712 case QEMU_OPTION_vnc:
2713 #ifdef CONFIG_VNC
2714 display_remote++;
2715 vnc_display = optarg;
2716 #else
2717 fprintf(stderr, "VNC support is disabled\n");
2718 exit(1);
2719 #endif
2720 break;
2721 case QEMU_OPTION_no_acpi:
2722 acpi_enabled = 0;
2723 break;
2724 case QEMU_OPTION_no_hpet:
2725 no_hpet = 1;
2726 break;
2727 case QEMU_OPTION_balloon:
2728 if (balloon_parse(optarg) < 0) {
2729 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2730 exit(1);
2731 }
2732 break;
2733 case QEMU_OPTION_no_reboot:
2734 no_reboot = 1;
2735 break;
2736 case QEMU_OPTION_no_shutdown:
2737 no_shutdown = 1;
2738 break;
2739 case QEMU_OPTION_show_cursor:
2740 cursor_hide = 0;
2741 break;
2742 case QEMU_OPTION_uuid:
2743 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2744 fprintf(stderr, "Fail to parse UUID string."
2745 " Wrong format.\n");
2746 exit(1);
2747 }
2748 break;
2749 case QEMU_OPTION_option_rom:
2750 if (nb_option_roms >= MAX_OPTION_ROMS) {
2751 fprintf(stderr, "Too many option ROMs\n");
2752 exit(1);
2753 }
2754 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2755 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2756 option_rom[nb_option_roms].bootindex =
2757 qemu_opt_get_number(opts, "bootindex", -1);
2758 if (!option_rom[nb_option_roms].name) {
2759 fprintf(stderr, "Option ROM file is not specified\n");
2760 exit(1);
2761 }
2762 nb_option_roms++;
2763 break;
2764 case QEMU_OPTION_semihosting:
2765 semihosting_enabled = 1;
2766 break;
2767 case QEMU_OPTION_name:
2768 qemu_name = qemu_strdup(optarg);
2769 {
2770 char *p = strchr(qemu_name, ',');
2771 if (p != NULL) {
2772 *p++ = 0;
2773 if (strncmp(p, "process=", 8)) {
2774 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2775 exit(1);
2776 }
2777 p += 8;
2778 os_set_proc_name(p);
2779 }
2780 }
2781 break;
2782 case QEMU_OPTION_prom_env:
2783 if (nb_prom_envs >= MAX_PROM_ENVS) {
2784 fprintf(stderr, "Too many prom variables\n");
2785 exit(1);
2786 }
2787 prom_envs[nb_prom_envs] = optarg;
2788 nb_prom_envs++;
2789 break;
2790 case QEMU_OPTION_old_param:
2791 old_param = 1;
2792 break;
2793 case QEMU_OPTION_clock:
2794 configure_alarms(optarg);
2795 break;
2796 case QEMU_OPTION_startdate:
2797 configure_rtc_date_offset(optarg, 1);
2798 break;
2799 case QEMU_OPTION_rtc:
2800 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2801 if (!opts) {
2802 exit(1);
2803 }
2804 configure_rtc(opts);
2805 break;
2806 case QEMU_OPTION_tb_size:
2807 tb_size = strtol(optarg, NULL, 0);
2808 if (tb_size < 0)
2809 tb_size = 0;
2810 break;
2811 case QEMU_OPTION_icount:
2812 icount_option = optarg;
2813 break;
2814 case QEMU_OPTION_incoming:
2815 incoming = optarg;
2816 incoming_expected = true;
2817 break;
2818 case QEMU_OPTION_nodefaults:
2819 default_serial = 0;
2820 default_parallel = 0;
2821 default_virtcon = 0;
2822 default_monitor = 0;
2823 default_vga = 0;
2824 default_net = 0;
2825 default_floppy = 0;
2826 default_cdrom = 0;
2827 default_sdcard = 0;
2828 break;
2829 case QEMU_OPTION_xen_domid:
2830 if (!(xen_available())) {
2831 printf("Option %s not supported for this target\n", popt->name);
2832 exit(1);
2833 }
2834 xen_domid = atoi(optarg);
2835 break;
2836 case QEMU_OPTION_xen_create:
2837 if (!(xen_available())) {
2838 printf("Option %s not supported for this target\n", popt->name);
2839 exit(1);
2840 }
2841 xen_mode = XEN_CREATE;
2842 break;
2843 case QEMU_OPTION_xen_attach:
2844 if (!(xen_available())) {
2845 printf("Option %s not supported for this target\n", popt->name);
2846 exit(1);
2847 }
2848 xen_mode = XEN_ATTACH;
2849 break;
2850 #ifdef CONFIG_SIMPLE_TRACE
2851 case QEMU_OPTION_trace:
2852 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2853 if (opts) {
2854 trace_file = qemu_opt_get(opts, "file");
2855 }
2856 break;
2857 #endif
2858 case QEMU_OPTION_readconfig:
2859 {
2860 int ret = qemu_read_config_file(optarg);
2861 if (ret < 0) {
2862 fprintf(stderr, "read config %s: %s\n", optarg,
2863 strerror(-ret));
2864 exit(1);
2865 }
2866 break;
2867 }
2868 case QEMU_OPTION_spice:
2869 olist = qemu_find_opts("spice");
2870 if (!olist) {
2871 fprintf(stderr, "spice is not supported by this qemu build.\n");
2872 exit(1);
2873 }
2874 opts = qemu_opts_parse(olist, optarg, 0);
2875 if (!opts) {
2876 fprintf(stderr, "parse error: %s\n", optarg);
2877 exit(1);
2878 }
2879 break;
2880 case QEMU_OPTION_writeconfig:
2881 {
2882 FILE *fp;
2883 if (strcmp(optarg, "-") == 0) {
2884 fp = stdout;
2885 } else {
2886 fp = fopen(optarg, "w");
2887 if (fp == NULL) {
2888 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2889 exit(1);
2890 }
2891 }
2892 qemu_config_write(fp);
2893 fclose(fp);
2894 break;
2895 }
2896 default:
2897 os_parse_cmd_args(popt->index, optarg);
2898 }
2899 }
2900 }
2901 loc_set_none();
2902
2903 if (!st_init(trace_file)) {
2904 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2905 }
2906
2907 /* If no data_dir is specified then try to find it relative to the
2908 executable path. */
2909 if (!data_dir) {
2910 data_dir = os_find_datadir(argv[0]);
2911 }
2912 /* If all else fails use the install patch specified when building. */
2913 if (!data_dir) {
2914 data_dir = CONFIG_QEMU_DATADIR;
2915 }
2916
2917 /*
2918 * Default to max_cpus = smp_cpus, in case the user doesn't
2919 * specify a max_cpus value.
2920 */
2921 if (!max_cpus)
2922 max_cpus = smp_cpus;
2923
2924 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2925 if (smp_cpus > machine->max_cpus) {
2926 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2927 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2928 machine->max_cpus);
2929 exit(1);
2930 }
2931
2932 /*
2933 * Get the default machine options from the machine if it is not already
2934 * specified either by the configuration file or by the command line.
2935 */
2936 if (machine->default_machine_opts) {
2937 QemuOptsList *list = qemu_find_opts("machine");
2938 const char *p = NULL;
2939
2940 if (!QTAILQ_EMPTY(&list->head)) {
2941 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2942 }
2943 if (p == NULL) {
2944 opts = qemu_opts_parse(qemu_find_opts("machine"),
2945 machine->default_machine_opts, 0);
2946 if (!opts) {
2947 fprintf(stderr, "parse error for machine %s: %s\n",
2948 machine->name, machine->default_machine_opts);
2949 exit(1);
2950 }
2951 }
2952 }
2953
2954 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2955 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2956
2957 if (machine->no_serial) {
2958 default_serial = 0;
2959 }
2960 if (machine->no_parallel) {
2961 default_parallel = 0;
2962 }
2963 if (!machine->use_virtcon) {
2964 default_virtcon = 0;
2965 }
2966 if (machine->no_vga) {
2967 default_vga = 0;
2968 }
2969 if (machine->no_floppy) {
2970 default_floppy = 0;
2971 }
2972 if (machine->no_cdrom) {
2973 default_cdrom = 0;
2974 }
2975 if (machine->no_sdcard) {
2976 default_sdcard = 0;
2977 }
2978
2979 if (display_type == DT_NOGRAPHIC) {
2980 if (default_parallel)
2981 add_device_config(DEV_PARALLEL, "null");
2982 if (default_serial && default_monitor) {
2983 add_device_config(DEV_SERIAL, "mon:stdio");
2984 } else if (default_virtcon && default_monitor) {
2985 add_device_config(DEV_VIRTCON, "mon:stdio");
2986 } else {
2987 if (default_serial)
2988 add_device_config(DEV_SERIAL, "stdio");
2989 if (default_virtcon)
2990 add_device_config(DEV_VIRTCON, "stdio");
2991 if (default_monitor)
2992 monitor_parse("stdio", "readline");
2993 }
2994 } else {
2995 if (default_serial)
2996 add_device_config(DEV_SERIAL, "vc:80Cx24C");
2997 if (default_parallel)
2998 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
2999 if (default_monitor)
3000 monitor_parse("vc:80Cx24C", "readline");
3001 if (default_virtcon)
3002 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3003 }
3004 if (default_vga)
3005 vga_interface_type = VGA_CIRRUS;
3006
3007 socket_init();
3008
3009 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3010 exit(1);
3011 #ifdef CONFIG_VIRTFS
3012 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3013 exit(1);
3014 }
3015 #endif
3016
3017 os_daemonize();
3018
3019 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3020 os_pidfile_error();
3021 exit(1);
3022 }
3023
3024 configure_accelerator();
3025
3026 if (qemu_init_main_loop()) {
3027 fprintf(stderr, "qemu_init_main_loop failed\n");
3028 exit(1);
3029 }
3030 linux_boot = (kernel_filename != NULL);
3031
3032 if (!linux_boot && *kernel_cmdline != '\0') {
3033 fprintf(stderr, "-append only allowed with -kernel option\n");
3034 exit(1);
3035 }
3036
3037 if (!linux_boot && initrd_filename != NULL) {
3038 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3039 exit(1);
3040 }
3041
3042 os_set_line_buffering();
3043
3044 if (init_timer_alarm() < 0) {
3045 fprintf(stderr, "could not initialize alarm timer\n");
3046 exit(1);
3047 }
3048 configure_icount(icount_option);
3049
3050 if (net_init_clients() < 0) {
3051 exit(1);
3052 }
3053
3054 /* init the bluetooth world */
3055 if (foreach_device_config(DEV_BT, bt_parse))
3056 exit(1);
3057
3058 /* init the memory */
3059 if (ram_size == 0)
3060 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3061
3062 /* init the dynamic translator */
3063 cpu_exec_init_all(tb_size * 1024 * 1024);
3064
3065 bdrv_init_with_whitelist();
3066
3067 blk_mig_init();
3068
3069 /* open the virtual block devices */
3070 if (snapshot)
3071 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3072 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3073 exit(1);
3074
3075 default_drive(default_cdrom, snapshot, machine->use_scsi,
3076 IF_DEFAULT, 2, CDROM_OPTS);
3077 default_drive(default_floppy, snapshot, machine->use_scsi,
3078 IF_FLOPPY, 0, FD_OPTS);
3079 default_drive(default_sdcard, snapshot, machine->use_scsi,
3080 IF_SD, 0, SD_OPTS);
3081
3082 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3083 ram_load, NULL);
3084
3085 if (nb_numa_nodes > 0) {
3086 int i;
3087
3088 if (nb_numa_nodes > smp_cpus) {
3089 nb_numa_nodes = smp_cpus;
3090 }
3091
3092 /* If no memory size if given for any node, assume the default case
3093 * and distribute the available memory equally across all nodes
3094 */
3095 for (i = 0; i < nb_numa_nodes; i++) {
3096 if (node_mem[i] != 0)
3097 break;
3098 }
3099 if (i == nb_numa_nodes) {
3100 uint64_t usedmem = 0;
3101
3102 /* On Linux, the each node's border has to be 8MB aligned,
3103 * the final node gets the rest.
3104 */
3105 for (i = 0; i < nb_numa_nodes - 1; i++) {
3106 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3107 usedmem += node_mem[i];
3108 }
3109 node_mem[i] = ram_size - usedmem;
3110 }
3111
3112 for (i = 0; i < nb_numa_nodes; i++) {
3113 if (node_cpumask[i] != 0)
3114 break;
3115 }
3116 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3117 * must cope with this anyway, because there are BIOSes out there in
3118 * real machines which also use this scheme.
3119 */
3120 if (i == nb_numa_nodes) {
3121 for (i = 0; i < smp_cpus; i++) {
3122 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3123 }
3124 }
3125 }
3126
3127 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3128 exit(1);
3129 }
3130
3131 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3132 exit(1);
3133 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3134 exit(1);
3135 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3136 exit(1);
3137 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3138 exit(1);
3139
3140 module_call_init(MODULE_INIT_DEVICE);
3141
3142 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3143 exit(0);
3144
3145 if (watchdog) {
3146 i = select_watchdog(watchdog);
3147 if (i > 0)
3148 exit (i == 1 ? 1 : 0);
3149 }
3150
3151 if (machine->compat_props) {
3152 qdev_prop_register_global_list(machine->compat_props);
3153 }
3154 qemu_add_globals();
3155
3156 machine->init(ram_size, boot_devices,
3157 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3158
3159 cpu_synchronize_all_post_init();
3160
3161 set_numa_modes();
3162
3163 current_machine = machine;
3164
3165 /* init USB devices */
3166 if (usb_enabled) {
3167 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3168 exit(1);
3169 }
3170
3171 /* init generic devices */
3172 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3173 exit(1);
3174
3175 net_check_clients();
3176
3177 /* just use the first displaystate for the moment */
3178 ds = get_displaystate();
3179
3180 if (using_spice)
3181 display_remote++;
3182 if (display_type == DT_DEFAULT && !display_remote) {
3183 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3184 display_type = DT_SDL;
3185 #elif defined(CONFIG_VNC)
3186 vnc_display = "localhost:0,to=99";
3187 show_vnc_port = 1;
3188 #else
3189 display_type = DT_NONE;
3190 #endif
3191 }
3192
3193
3194 /* init local displays */
3195 switch (display_type) {
3196 case DT_NOGRAPHIC:
3197 break;
3198 #if defined(CONFIG_CURSES)
3199 case DT_CURSES:
3200 curses_display_init(ds, full_screen);
3201 break;
3202 #endif
3203 #if defined(CONFIG_SDL)
3204 case DT_SDL:
3205 sdl_display_init(ds, full_screen, no_frame);
3206 break;
3207 #elif defined(CONFIG_COCOA)
3208 case DT_SDL:
3209 cocoa_display_init(ds, full_screen);
3210 break;
3211 #endif
3212 default:
3213 break;
3214 }
3215
3216 /* must be after terminal init, SDL library changes signal handlers */
3217 os_setup_signal_handling();
3218
3219 #ifdef CONFIG_VNC
3220 /* init remote displays */
3221 if (vnc_display) {
3222 vnc_display_init(ds);
3223 if (vnc_display_open(ds, vnc_display) < 0)
3224 exit(1);
3225
3226 if (show_vnc_port) {
3227 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3228 }
3229 }
3230 #endif
3231 #ifdef CONFIG_SPICE
3232 if (using_spice && !qxl_enabled) {
3233 qemu_spice_display_init(ds);
3234 }
3235 #endif
3236
3237 /* display setup */
3238 dpy_resize(ds);
3239 dcl = ds->listeners;
3240 while (dcl != NULL) {
3241 if (dcl->dpy_refresh != NULL) {
3242 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3243 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3244 break;
3245 }
3246 dcl = dcl->next;
3247 }
3248 if (ds->gui_timer == NULL) {
3249 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3250 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3251 }
3252 text_consoles_set_display(ds);
3253
3254 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3255 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3256 gdbstub_dev);
3257 exit(1);
3258 }
3259
3260 qdev_machine_creation_done();
3261
3262 if (rom_load_all() != 0) {
3263 fprintf(stderr, "rom loading failed\n");
3264 exit(1);
3265 }
3266
3267 /* TODO: once all bus devices are qdevified, this should be done
3268 * when bus is created by qdev.c */
3269 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3270 qemu_run_machine_init_done_notifiers();
3271
3272 qemu_system_reset();
3273 if (loadvm) {
3274 if (load_vmstate(loadvm) < 0) {
3275 autostart = 0;
3276 }
3277 }
3278
3279 if (incoming) {
3280 int ret = qemu_start_incoming_migration(incoming);
3281 if (ret < 0) {
3282 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3283 incoming, ret);
3284 exit(ret);
3285 }
3286 } else if (autostart) {
3287 vm_start();
3288 }
3289
3290 os_setup_post();
3291
3292 main_loop();
3293 quit_timers();
3294 net_cleanup();
3295
3296 return 0;
3297 }
QEmu