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Merge remote-tracking branch 'agraf/xen-next' into staging
[qemu.git] / vl.c
blobdbdec7199a3e7cb827bec03809eadaf082cdf6f5
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 { .driver = "isa-vga", .flag = &default_vga },
293 { .driver = "qxl-vga", .flag = &default_vga },
294 };
295
296 static int default_driver_check(QemuOpts *opts, void *opaque)
297 {
298 const char *driver = qemu_opt_get(opts, "driver");
299 int i;
300
301 if (!driver)
302 return 0;
303 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
304 if (strcmp(default_list[i].driver, driver) != 0)
305 continue;
306 *(default_list[i].flag) = 0;
307 }
308 return 0;
309 }
310
311 /***********************************************************/
312 /* real time host monotonic timer */
313
314 /***********************************************************/
315 /* host time/date access */
316 void qemu_get_timedate(struct tm *tm, int offset)
317 {
318 time_t ti;
319 struct tm *ret;
320
321 time(&ti);
322 ti += offset;
323 if (rtc_date_offset == -1) {
324 if (rtc_utc)
325 ret = gmtime(&ti);
326 else
327 ret = localtime(&ti);
328 } else {
329 ti -= rtc_date_offset;
330 ret = gmtime(&ti);
331 }
332
333 memcpy(tm, ret, sizeof(struct tm));
334 }
335
336 int qemu_timedate_diff(struct tm *tm)
337 {
338 time_t seconds;
339
340 if (rtc_date_offset == -1)
341 if (rtc_utc)
342 seconds = mktimegm(tm);
343 else
344 seconds = mktime(tm);
345 else
346 seconds = mktimegm(tm) + rtc_date_offset;
347
348 return seconds - time(NULL);
349 }
350
351 void rtc_change_mon_event(struct tm *tm)
352 {
353 QObject *data;
354
355 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
356 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
357 qobject_decref(data);
358 }
359
360 static void configure_rtc_date_offset(const char *startdate, int legacy)
361 {
362 time_t rtc_start_date;
363 struct tm tm;
364
365 if (!strcmp(startdate, "now") && legacy) {
366 rtc_date_offset = -1;
367 } else {
368 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
369 &tm.tm_year,
370 &tm.tm_mon,
371 &tm.tm_mday,
372 &tm.tm_hour,
373 &tm.tm_min,
374 &tm.tm_sec) == 6) {
375 /* OK */
376 } else if (sscanf(startdate, "%d-%d-%d",
377 &tm.tm_year,
378 &tm.tm_mon,
379 &tm.tm_mday) == 3) {
380 tm.tm_hour = 0;
381 tm.tm_min = 0;
382 tm.tm_sec = 0;
383 } else {
384 goto date_fail;
385 }
386 tm.tm_year -= 1900;
387 tm.tm_mon--;
388 rtc_start_date = mktimegm(&tm);
389 if (rtc_start_date == -1) {
390 date_fail:
391 fprintf(stderr, "Invalid date format. Valid formats are:\n"
392 "'2006-06-17T16:01:21' or '2006-06-17'\n");
393 exit(1);
394 }
395 rtc_date_offset = time(NULL) - rtc_start_date;
396 }
397 }
398
399 static void configure_rtc(QemuOpts *opts)
400 {
401 const char *value;
402
403 value = qemu_opt_get(opts, "base");
404 if (value) {
405 if (!strcmp(value, "utc")) {
406 rtc_utc = 1;
407 } else if (!strcmp(value, "localtime")) {
408 rtc_utc = 0;
409 } else {
410 configure_rtc_date_offset(value, 0);
411 }
412 }
413 value = qemu_opt_get(opts, "clock");
414 if (value) {
415 if (!strcmp(value, "host")) {
416 rtc_clock = host_clock;
417 } else if (!strcmp(value, "vm")) {
418 rtc_clock = vm_clock;
419 } else {
420 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
421 exit(1);
422 }
423 }
424 value = qemu_opt_get(opts, "driftfix");
425 if (value) {
426 if (!strcmp(value, "slew")) {
427 rtc_td_hack = 1;
428 } else if (!strcmp(value, "none")) {
429 rtc_td_hack = 0;
430 } else {
431 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
432 exit(1);
433 }
434 }
435 }
436
437 /***********************************************************/
438 /* Bluetooth support */
439 static int nb_hcis;
440 static int cur_hci;
441 static struct HCIInfo *hci_table[MAX_NICS];
442
443 static struct bt_vlan_s {
444 struct bt_scatternet_s net;
445 int id;
446 struct bt_vlan_s *next;
447 } *first_bt_vlan;
448
449 /* find or alloc a new bluetooth "VLAN" */
450 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
451 {
452 struct bt_vlan_s **pvlan, *vlan;
453 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
454 if (vlan->id == id)
455 return &vlan->net;
456 }
457 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
458 vlan->id = id;
459 pvlan = &first_bt_vlan;
460 while (*pvlan != NULL)
461 pvlan = &(*pvlan)->next;
462 *pvlan = vlan;
463 return &vlan->net;
464 }
465
466 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
467 {
468 }
469
470 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
471 {
472 return -ENOTSUP;
473 }
474
475 static struct HCIInfo null_hci = {
476 .cmd_send = null_hci_send,
477 .sco_send = null_hci_send,
478 .acl_send = null_hci_send,
479 .bdaddr_set = null_hci_addr_set,
480 };
481
482 struct HCIInfo *qemu_next_hci(void)
483 {
484 if (cur_hci == nb_hcis)
485 return &null_hci;
486
487 return hci_table[cur_hci++];
488 }
489
490 static struct HCIInfo *hci_init(const char *str)
491 {
492 char *endp;
493 struct bt_scatternet_s *vlan = 0;
494
495 if (!strcmp(str, "null"))
496 /* null */
497 return &null_hci;
498 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
499 /* host[:hciN] */
500 return bt_host_hci(str[4] ? str + 5 : "hci0");
501 else if (!strncmp(str, "hci", 3)) {
502 /* hci[,vlan=n] */
503 if (str[3]) {
504 if (!strncmp(str + 3, ",vlan=", 6)) {
505 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
506 if (*endp)
507 vlan = 0;
508 }
509 } else
510 vlan = qemu_find_bt_vlan(0);
511 if (vlan)
512 return bt_new_hci(vlan);
513 }
514
515 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
516
517 return 0;
518 }
519
520 static int bt_hci_parse(const char *str)
521 {
522 struct HCIInfo *hci;
523 bdaddr_t bdaddr;
524
525 if (nb_hcis >= MAX_NICS) {
526 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
527 return -1;
528 }
529
530 hci = hci_init(str);
531 if (!hci)
532 return -1;
533
534 bdaddr.b[0] = 0x52;
535 bdaddr.b[1] = 0x54;
536 bdaddr.b[2] = 0x00;
537 bdaddr.b[3] = 0x12;
538 bdaddr.b[4] = 0x34;
539 bdaddr.b[5] = 0x56 + nb_hcis;
540 hci->bdaddr_set(hci, bdaddr.b);
541
542 hci_table[nb_hcis++] = hci;
543
544 return 0;
545 }
546
547 static void bt_vhci_add(int vlan_id)
548 {
549 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
550
551 if (!vlan->slave)
552 fprintf(stderr, "qemu: warning: adding a VHCI to "
553 "an empty scatternet %i\n", vlan_id);
554
555 bt_vhci_init(bt_new_hci(vlan));
556 }
557
558 static struct bt_device_s *bt_device_add(const char *opt)
559 {
560 struct bt_scatternet_s *vlan;
561 int vlan_id = 0;
562 char *endp = strstr(opt, ",vlan=");
563 int len = (endp ? endp - opt : strlen(opt)) + 1;
564 char devname[10];
565
566 pstrcpy(devname, MIN(sizeof(devname), len), opt);
567
568 if (endp) {
569 vlan_id = strtol(endp + 6, &endp, 0);
570 if (*endp) {
571 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
572 return 0;
573 }
574 }
575
576 vlan = qemu_find_bt_vlan(vlan_id);
577
578 if (!vlan->slave)
579 fprintf(stderr, "qemu: warning: adding a slave device to "
580 "an empty scatternet %i\n", vlan_id);
581
582 if (!strcmp(devname, "keyboard"))
583 return bt_keyboard_init(vlan);
584
585 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
586 return 0;
587 }
588
589 static int bt_parse(const char *opt)
590 {
591 const char *endp, *p;
592 int vlan;
593
594 if (strstart(opt, "hci", &endp)) {
595 if (!*endp || *endp == ',') {
596 if (*endp)
597 if (!strstart(endp, ",vlan=", 0))
598 opt = endp + 1;
599
600 return bt_hci_parse(opt);
601 }
602 } else if (strstart(opt, "vhci", &endp)) {
603 if (!*endp || *endp == ',') {
604 if (*endp) {
605 if (strstart(endp, ",vlan=", &p)) {
606 vlan = strtol(p, (char **) &endp, 0);
607 if (*endp) {
608 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
609 return 1;
610 }
611 } else {
612 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
613 return 1;
614 }
615 } else
616 vlan = 0;
617
618 bt_vhci_add(vlan);
619 return 0;
620 }
621 } else if (strstart(opt, "device:", &endp))
622 return !bt_device_add(endp);
623
624 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
625 return 1;
626 }
627
628 /***********************************************************/
629 /* QEMU Block devices */
630
631 #define HD_OPTS "media=disk"
632 #define CDROM_OPTS "media=cdrom"
633 #define FD_OPTS ""
634 #define PFLASH_OPTS ""
635 #define MTD_OPTS ""
636 #define SD_OPTS ""
637
638 static int drive_init_func(QemuOpts *opts, void *opaque)
639 {
640 int *use_scsi = opaque;
641
642 return drive_init(opts, *use_scsi) == NULL;
643 }
644
645 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
646 {
647 if (NULL == qemu_opt_get(opts, "snapshot")) {
648 qemu_opt_set(opts, "snapshot", "on");
649 }
650 return 0;
651 }
652
653 static void default_drive(int enable, int snapshot, int use_scsi,
654 BlockInterfaceType type, int index,
655 const char *optstr)
656 {
657 QemuOpts *opts;
658
659 if (type == IF_DEFAULT) {
660 type = use_scsi ? IF_SCSI : IF_IDE;
661 }
662
663 if (!enable || drive_get_by_index(type, index)) {
664 return;
665 }
666
667 opts = drive_add(type, index, NULL, optstr);
668 if (snapshot) {
669 drive_enable_snapshot(opts, NULL);
670 }
671 if (!drive_init(opts, use_scsi)) {
672 exit(1);
673 }
674 }
675
676 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
677 {
678 boot_set_handler = func;
679 boot_set_opaque = opaque;
680 }
681
682 int qemu_boot_set(const char *boot_devices)
683 {
684 if (!boot_set_handler) {
685 return -EINVAL;
686 }
687 return boot_set_handler(boot_set_opaque, boot_devices);
688 }
689
690 static void validate_bootdevices(char *devices)
691 {
692 /* We just do some generic consistency checks */
693 const char *p;
694 int bitmap = 0;
695
696 for (p = devices; *p != '\0'; p++) {
697 /* Allowed boot devices are:
698 * a-b: floppy disk drives
699 * c-f: IDE disk drives
700 * g-m: machine implementation dependant drives
701 * n-p: network devices
702 * It's up to each machine implementation to check if the given boot
703 * devices match the actual hardware implementation and firmware
704 * features.
705 */
706 if (*p < 'a' || *p > 'p') {
707 fprintf(stderr, "Invalid boot device '%c'\n", *p);
708 exit(1);
709 }
710 if (bitmap & (1 << (*p - 'a'))) {
711 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
712 exit(1);
713 }
714 bitmap |= 1 << (*p - 'a');
715 }
716 }
717
718 static void restore_boot_devices(void *opaque)
719 {
720 char *standard_boot_devices = opaque;
721 static int first = 1;
722
723 /* Restore boot order and remove ourselves after the first boot */
724 if (first) {
725 first = 0;
726 return;
727 }
728
729 qemu_boot_set(standard_boot_devices);
730
731 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
732 qemu_free(standard_boot_devices);
733 }
734
735 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
736 const char *suffix)
737 {
738 FWBootEntry *node, *i;
739
740 if (bootindex < 0) {
741 return;
742 }
743
744 assert(dev != NULL || suffix != NULL);
745
746 node = qemu_mallocz(sizeof(FWBootEntry));
747 node->bootindex = bootindex;
748 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
749 node->dev = dev;
750
751 QTAILQ_FOREACH(i, &fw_boot_order, link) {
752 if (i->bootindex == bootindex) {
753 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
754 exit(1);
755 } else if (i->bootindex < bootindex) {
756 continue;
757 }
758 QTAILQ_INSERT_BEFORE(i, node, link);
759 return;
760 }
761 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
762 }
763
764 /*
765 * This function returns null terminated string that consist of new line
766 * separated device paths.
767 *
768 * memory pointed by "size" is assigned total length of the array in bytes
769 *
770 */
771 char *get_boot_devices_list(uint32_t *size)
772 {
773 FWBootEntry *i;
774 uint32_t total = 0;
775 char *list = NULL;
776
777 QTAILQ_FOREACH(i, &fw_boot_order, link) {
778 char *devpath = NULL, *bootpath;
779 int len;
780
781 if (i->dev) {
782 devpath = qdev_get_fw_dev_path(i->dev);
783 assert(devpath);
784 }
785
786 if (i->suffix && devpath) {
787 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
788
789 bootpath = qemu_malloc(bootpathlen);
790 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
791 qemu_free(devpath);
792 } else if (devpath) {
793 bootpath = devpath;
794 } else {
795 bootpath = qemu_strdup(i->suffix);
796 assert(bootpath);
797 }
798
799 if (total) {
800 list[total-1] = '\n';
801 }
802 len = strlen(bootpath) + 1;
803 list = qemu_realloc(list, total + len);
804 memcpy(&list[total], bootpath, len);
805 total += len;
806 qemu_free(bootpath);
807 }
808
809 *size = total;
810
811 return list;
812 }
813
814 static void numa_add(const char *optarg)
815 {
816 char option[128];
817 char *endptr;
818 unsigned long long value, endvalue;
819 int nodenr;
820
821 optarg = get_opt_name(option, 128, optarg, ',') + 1;
822 if (!strcmp(option, "node")) {
823 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
824 nodenr = nb_numa_nodes;
825 } else {
826 nodenr = strtoull(option, NULL, 10);
827 }
828
829 if (get_param_value(option, 128, "mem", optarg) == 0) {
830 node_mem[nodenr] = 0;
831 } else {
832 int64_t sval;
833 sval = strtosz(option, NULL);
834 if (sval < 0) {
835 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
836 exit(1);
837 }
838 node_mem[nodenr] = sval;
839 }
840 if (get_param_value(option, 128, "cpus", optarg) == 0) {
841 node_cpumask[nodenr] = 0;
842 } else {
843 value = strtoull(option, &endptr, 10);
844 if (value >= 64) {
845 value = 63;
846 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
847 } else {
848 if (*endptr == '-') {
849 endvalue = strtoull(endptr+1, &endptr, 10);
850 if (endvalue >= 63) {
851 endvalue = 62;
852 fprintf(stderr,
853 "only 63 CPUs in NUMA mode supported.\n");
854 }
855 value = (2ULL << endvalue) - (1ULL << value);
856 } else {
857 value = 1ULL << value;
858 }
859 }
860 node_cpumask[nodenr] = value;
861 }
862 nb_numa_nodes++;
863 }
864 return;
865 }
866
867 static void smp_parse(const char *optarg)
868 {
869 int smp, sockets = 0, threads = 0, cores = 0;
870 char *endptr;
871 char option[128];
872
873 smp = strtoul(optarg, &endptr, 10);
874 if (endptr != optarg) {
875 if (*endptr == ',') {
876 endptr++;
877 }
878 }
879 if (get_param_value(option, 128, "sockets", endptr) != 0)
880 sockets = strtoull(option, NULL, 10);
881 if (get_param_value(option, 128, "cores", endptr) != 0)
882 cores = strtoull(option, NULL, 10);
883 if (get_param_value(option, 128, "threads", endptr) != 0)
884 threads = strtoull(option, NULL, 10);
885 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
886 max_cpus = strtoull(option, NULL, 10);
887
888 /* compute missing values, prefer sockets over cores over threads */
889 if (smp == 0 || sockets == 0) {
890 sockets = sockets > 0 ? sockets : 1;
891 cores = cores > 0 ? cores : 1;
892 threads = threads > 0 ? threads : 1;
893 if (smp == 0) {
894 smp = cores * threads * sockets;
895 }
896 } else {
897 if (cores == 0) {
898 threads = threads > 0 ? threads : 1;
899 cores = smp / (sockets * threads);
900 } else {
901 threads = smp / (cores * sockets);
902 }
903 }
904 smp_cpus = smp;
905 smp_cores = cores > 0 ? cores : 1;
906 smp_threads = threads > 0 ? threads : 1;
907 if (max_cpus == 0)
908 max_cpus = smp_cpus;
909 }
910
911 /***********************************************************/
912 /* USB devices */
913
914 static int usb_device_add(const char *devname)
915 {
916 const char *p;
917 USBDevice *dev = NULL;
918
919 if (!usb_enabled)
920 return -1;
921
922 /* drivers with .usbdevice_name entry in USBDeviceInfo */
923 dev = usbdevice_create(devname);
924 if (dev)
925 goto done;
926
927 /* the other ones */
928 #ifndef CONFIG_LINUX
929 /* only the linux version is qdev-ified, usb-bsd still needs this */
930 if (strstart(devname, "host:", &p)) {
931 dev = usb_host_device_open(p);
932 } else
933 #endif
934 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
935 dev = usb_bt_init(devname[2] ? hci_init(p) :
936 bt_new_hci(qemu_find_bt_vlan(0)));
937 } else {
938 return -1;
939 }
940 if (!dev)
941 return -1;
942
943 done:
944 return 0;
945 }
946
947 static int usb_device_del(const char *devname)
948 {
949 int bus_num, addr;
950 const char *p;
951
952 if (strstart(devname, "host:", &p))
953 return usb_host_device_close(p);
954
955 if (!usb_enabled)
956 return -1;
957
958 p = strchr(devname, '.');
959 if (!p)
960 return -1;
961 bus_num = strtoul(devname, NULL, 0);
962 addr = strtoul(p + 1, NULL, 0);
963
964 return usb_device_delete_addr(bus_num, addr);
965 }
966
967 static int usb_parse(const char *cmdline)
968 {
969 int r;
970 r = usb_device_add(cmdline);
971 if (r < 0) {
972 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
973 }
974 return r;
975 }
976
977 void do_usb_add(Monitor *mon, const QDict *qdict)
978 {
979 const char *devname = qdict_get_str(qdict, "devname");
980 if (usb_device_add(devname) < 0) {
981 error_report("could not add USB device '%s'", devname);
982 }
983 }
984
985 void do_usb_del(Monitor *mon, const QDict *qdict)
986 {
987 const char *devname = qdict_get_str(qdict, "devname");
988 if (usb_device_del(devname) < 0) {
989 error_report("could not delete USB device '%s'", devname);
990 }
991 }
992
993 /***********************************************************/
994 /* PCMCIA/Cardbus */
995
996 static struct pcmcia_socket_entry_s {
997 PCMCIASocket *socket;
998 struct pcmcia_socket_entry_s *next;
999 } *pcmcia_sockets = 0;
1000
1001 void pcmcia_socket_register(PCMCIASocket *socket)
1002 {
1003 struct pcmcia_socket_entry_s *entry;
1004
1005 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1006 entry->socket = socket;
1007 entry->next = pcmcia_sockets;
1008 pcmcia_sockets = entry;
1009 }
1010
1011 void pcmcia_socket_unregister(PCMCIASocket *socket)
1012 {
1013 struct pcmcia_socket_entry_s *entry, **ptr;
1014
1015 ptr = &pcmcia_sockets;
1016 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1017 if (entry->socket == socket) {
1018 *ptr = entry->next;
1019 qemu_free(entry);
1020 }
1021 }
1022
1023 void pcmcia_info(Monitor *mon)
1024 {
1025 struct pcmcia_socket_entry_s *iter;
1026
1027 if (!pcmcia_sockets)
1028 monitor_printf(mon, "No PCMCIA sockets\n");
1029
1030 for (iter = pcmcia_sockets; iter; iter = iter->next)
1031 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1032 iter->socket->attached ? iter->socket->card_string :
1033 "Empty");
1034 }
1035
1036 /***********************************************************/
1037 /* machine registration */
1038
1039 static QEMUMachine *first_machine = NULL;
1040 QEMUMachine *current_machine = NULL;
1041
1042 int qemu_register_machine(QEMUMachine *m)
1043 {
1044 QEMUMachine **pm;
1045 pm = &first_machine;
1046 while (*pm != NULL)
1047 pm = &(*pm)->next;
1048 m->next = NULL;
1049 *pm = m;
1050 return 0;
1051 }
1052
1053 static QEMUMachine *find_machine(const char *name)
1054 {
1055 QEMUMachine *m;
1056
1057 for(m = first_machine; m != NULL; m = m->next) {
1058 if (!strcmp(m->name, name))
1059 return m;
1060 if (m->alias && !strcmp(m->alias, name))
1061 return m;
1062 }
1063 return NULL;
1064 }
1065
1066 static QEMUMachine *find_default_machine(void)
1067 {
1068 QEMUMachine *m;
1069
1070 for(m = first_machine; m != NULL; m = m->next) {
1071 if (m->is_default) {
1072 return m;
1073 }
1074 }
1075 return NULL;
1076 }
1077
1078 /***********************************************************/
1079 /* main execution loop */
1080
1081 static void gui_update(void *opaque)
1082 {
1083 uint64_t interval = GUI_REFRESH_INTERVAL;
1084 DisplayState *ds = opaque;
1085 DisplayChangeListener *dcl = ds->listeners;
1086
1087 qemu_flush_coalesced_mmio_buffer();
1088 dpy_refresh(ds);
1089
1090 while (dcl != NULL) {
1091 if (dcl->gui_timer_interval &&
1092 dcl->gui_timer_interval < interval)
1093 interval = dcl->gui_timer_interval;
1094 dcl = dcl->next;
1095 }
1096 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1097 }
1098
1099 static void nographic_update(void *opaque)
1100 {
1101 uint64_t interval = GUI_REFRESH_INTERVAL;
1102
1103 qemu_flush_coalesced_mmio_buffer();
1104 qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1105 }
1106
1107 struct vm_change_state_entry {
1108 VMChangeStateHandler *cb;
1109 void *opaque;
1110 QLIST_ENTRY (vm_change_state_entry) entries;
1111 };
1112
1113 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1114
1115 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1116 void *opaque)
1117 {
1118 VMChangeStateEntry *e;
1119
1120 e = qemu_mallocz(sizeof (*e));
1121
1122 e->cb = cb;
1123 e->opaque = opaque;
1124 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1125 return e;
1126 }
1127
1128 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1129 {
1130 QLIST_REMOVE (e, entries);
1131 qemu_free (e);
1132 }
1133
1134 void vm_state_notify(int running, int reason)
1135 {
1136 VMChangeStateEntry *e;
1137
1138 trace_vm_state_notify(running, reason);
1139
1140 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1141 e->cb(e->opaque, running, reason);
1142 }
1143 }
1144
1145 void vm_start(void)
1146 {
1147 if (!vm_running) {
1148 cpu_enable_ticks();
1149 vm_running = 1;
1150 vm_state_notify(1, 0);
1151 resume_all_vcpus();
1152 monitor_protocol_event(QEVENT_RESUME, NULL);
1153 }
1154 }
1155
1156 /* reset/shutdown handler */
1157
1158 typedef struct QEMUResetEntry {
1159 QTAILQ_ENTRY(QEMUResetEntry) entry;
1160 QEMUResetHandler *func;
1161 void *opaque;
1162 } QEMUResetEntry;
1163
1164 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1165 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1166 static int reset_requested;
1167 static int shutdown_requested, shutdown_signal = -1;
1168 static pid_t shutdown_pid;
1169 static int powerdown_requested;
1170 static int debug_requested;
1171 static int vmstop_requested;
1172
1173 int qemu_shutdown_requested_get(void)
1174 {
1175 return shutdown_requested;
1176 }
1177
1178 int qemu_reset_requested_get(void)
1179 {
1180 return reset_requested;
1181 }
1182
1183 int qemu_shutdown_requested(void)
1184 {
1185 int r = shutdown_requested;
1186 shutdown_requested = 0;
1187 return r;
1188 }
1189
1190 void qemu_kill_report(void)
1191 {
1192 if (shutdown_signal != -1) {
1193 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1194 if (shutdown_pid == 0) {
1195 /* This happens for eg ^C at the terminal, so it's worth
1196 * avoiding printing an odd message in that case.
1197 */
1198 fputc('\n', stderr);
1199 } else {
1200 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1201 }
1202 shutdown_signal = -1;
1203 }
1204 }
1205
1206 int qemu_reset_requested(void)
1207 {
1208 int r = reset_requested;
1209 reset_requested = 0;
1210 return r;
1211 }
1212
1213 int qemu_powerdown_requested(void)
1214 {
1215 int r = powerdown_requested;
1216 powerdown_requested = 0;
1217 return r;
1218 }
1219
1220 static int qemu_debug_requested(void)
1221 {
1222 int r = debug_requested;
1223 debug_requested = 0;
1224 return r;
1225 }
1226
1227 static int qemu_vmstop_requested(void)
1228 {
1229 int r = vmstop_requested;
1230 vmstop_requested = 0;
1231 return r;
1232 }
1233
1234 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1235 {
1236 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1237
1238 re->func = func;
1239 re->opaque = opaque;
1240 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1241 }
1242
1243 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1244 {
1245 QEMUResetEntry *re;
1246
1247 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1248 if (re->func == func && re->opaque == opaque) {
1249 QTAILQ_REMOVE(&reset_handlers, re, entry);
1250 qemu_free(re);
1251 return;
1252 }
1253 }
1254 }
1255
1256 void qemu_system_reset(void)
1257 {
1258 QEMUResetEntry *re, *nre;
1259
1260 /* reset all devices */
1261 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1262 re->func(re->opaque);
1263 }
1264 monitor_protocol_event(QEVENT_RESET, NULL);
1265 cpu_synchronize_all_post_reset();
1266 }
1267
1268 void qemu_system_reset_request(void)
1269 {
1270 if (no_reboot) {
1271 shutdown_requested = 1;
1272 } else {
1273 reset_requested = 1;
1274 }
1275 cpu_stop_current();
1276 qemu_notify_event();
1277 }
1278
1279 void qemu_system_killed(int signal, pid_t pid)
1280 {
1281 shutdown_signal = signal;
1282 shutdown_pid = pid;
1283 qemu_system_shutdown_request();
1284 }
1285
1286 void qemu_system_shutdown_request(void)
1287 {
1288 shutdown_requested = 1;
1289 qemu_notify_event();
1290 }
1291
1292 void qemu_system_powerdown_request(void)
1293 {
1294 powerdown_requested = 1;
1295 qemu_notify_event();
1296 }
1297
1298 void qemu_system_debug_request(void)
1299 {
1300 debug_requested = 1;
1301 qemu_notify_event();
1302 }
1303
1304 void qemu_system_vmstop_request(int reason)
1305 {
1306 vmstop_requested = reason;
1307 qemu_notify_event();
1308 }
1309
1310 void main_loop_wait(int nonblocking)
1311 {
1312 fd_set rfds, wfds, xfds;
1313 int ret, nfds;
1314 struct timeval tv;
1315 int timeout;
1316
1317 if (nonblocking)
1318 timeout = 0;
1319 else {
1320 timeout = qemu_calculate_timeout();
1321 qemu_bh_update_timeout(&timeout);
1322 }
1323
1324 os_host_main_loop_wait(&timeout);
1325
1326 tv.tv_sec = timeout / 1000;
1327 tv.tv_usec = (timeout % 1000) * 1000;
1328
1329 /* poll any events */
1330 /* XXX: separate device handlers from system ones */
1331 nfds = -1;
1332 FD_ZERO(&rfds);
1333 FD_ZERO(&wfds);
1334 FD_ZERO(&xfds);
1335 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1336 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1337
1338 qemu_mutex_unlock_iothread();
1339 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1340 qemu_mutex_lock_iothread();
1341
1342 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1343 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1344
1345 qemu_run_all_timers();
1346
1347 /* Check bottom-halves last in case any of the earlier events triggered
1348 them. */
1349 qemu_bh_poll();
1350
1351 }
1352
1353 #ifndef CONFIG_IOTHREAD
1354 static int vm_request_pending(void)
1355 {
1356 return powerdown_requested ||
1357 reset_requested ||
1358 shutdown_requested ||
1359 debug_requested ||
1360 vmstop_requested;
1361 }
1362 #endif
1363
1364 qemu_irq qemu_system_powerdown;
1365
1366 static void main_loop(void)
1367 {
1368 bool nonblocking = false;
1369 #ifdef CONFIG_PROFILER
1370 int64_t ti;
1371 #endif
1372 int r;
1373
1374 qemu_main_loop_start();
1375
1376 for (;;) {
1377 #ifndef CONFIG_IOTHREAD
1378 nonblocking = cpu_exec_all();
1379 if (vm_request_pending()) {
1380 nonblocking = true;
1381 }
1382 #endif
1383 #ifdef CONFIG_PROFILER
1384 ti = profile_getclock();
1385 #endif
1386 main_loop_wait(nonblocking);
1387 #ifdef CONFIG_PROFILER
1388 dev_time += profile_getclock() - ti;
1389 #endif
1390
1391 if (qemu_debug_requested()) {
1392 vm_stop(VMSTOP_DEBUG);
1393 }
1394 if (qemu_shutdown_requested()) {
1395 qemu_kill_report();
1396 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1397 if (no_shutdown) {
1398 vm_stop(VMSTOP_SHUTDOWN);
1399 no_shutdown = 0;
1400 } else
1401 break;
1402 }
1403 if (qemu_reset_requested()) {
1404 pause_all_vcpus();
1405 cpu_synchronize_all_states();
1406 qemu_system_reset();
1407 resume_all_vcpus();
1408 }
1409 if (qemu_powerdown_requested()) {
1410 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1411 qemu_irq_raise(qemu_system_powerdown);
1412 }
1413 if ((r = qemu_vmstop_requested())) {
1414 vm_stop(r);
1415 }
1416 }
1417 bdrv_close_all();
1418 pause_all_vcpus();
1419 }
1420
1421 static void version(void)
1422 {
1423 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1424 }
1425
1426 static void help(int exitcode)
1427 {
1428 const char *options_help =
1429 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1430 opt_help
1431 #define DEFHEADING(text) stringify(text) "\n"
1432 #include "qemu-options.def"
1433 #undef DEF
1434 #undef DEFHEADING
1435 #undef GEN_DOCS
1436 ;
1437 version();
1438 printf("usage: %s [options] [disk_image]\n"
1439 "\n"
1440 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1441 "\n"
1442 "%s\n"
1443 "During emulation, the following keys are useful:\n"
1444 "ctrl-alt-f toggle full screen\n"
1445 "ctrl-alt-n switch to virtual console 'n'\n"
1446 "ctrl-alt toggle mouse and keyboard grab\n"
1447 "\n"
1448 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1449 "qemu",
1450 options_help);
1451 exit(exitcode);
1452 }
1453
1454 #define HAS_ARG 0x0001
1455
1456 typedef struct QEMUOption {
1457 const char *name;
1458 int flags;
1459 int index;
1460 uint32_t arch_mask;
1461 } QEMUOption;
1462
1463 static const QEMUOption qemu_options[] = {
1464 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1465 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1466 { option, opt_arg, opt_enum, arch_mask },
1467 #define DEFHEADING(text)
1468 #include "qemu-options.def"
1469 #undef DEF
1470 #undef DEFHEADING
1471 #undef GEN_DOCS
1472 { NULL },
1473 };
1474 static void select_vgahw (const char *p)
1475 {
1476 const char *opts;
1477
1478 default_vga = 0;
1479 vga_interface_type = VGA_NONE;
1480 if (strstart(p, "std", &opts)) {
1481 vga_interface_type = VGA_STD;
1482 } else if (strstart(p, "cirrus", &opts)) {
1483 vga_interface_type = VGA_CIRRUS;
1484 } else if (strstart(p, "vmware", &opts)) {
1485 vga_interface_type = VGA_VMWARE;
1486 } else if (strstart(p, "xenfb", &opts)) {
1487 vga_interface_type = VGA_XENFB;
1488 } else if (strstart(p, "qxl", &opts)) {
1489 vga_interface_type = VGA_QXL;
1490 } else if (!strstart(p, "none", &opts)) {
1491 invalid_vga:
1492 fprintf(stderr, "Unknown vga type: %s\n", p);
1493 exit(1);
1494 }
1495 while (*opts) {
1496 const char *nextopt;
1497
1498 if (strstart(opts, ",retrace=", &nextopt)) {
1499 opts = nextopt;
1500 if (strstart(opts, "dumb", &nextopt))
1501 vga_retrace_method = VGA_RETRACE_DUMB;
1502 else if (strstart(opts, "precise", &nextopt))
1503 vga_retrace_method = VGA_RETRACE_PRECISE;
1504 else goto invalid_vga;
1505 } else goto invalid_vga;
1506 opts = nextopt;
1507 }
1508 }
1509
1510 static DisplayType select_display(const char *p)
1511 {
1512 const char *opts;
1513 DisplayType display = DT_DEFAULT;
1514
1515 if (strstart(p, "sdl", &opts)) {
1516 #ifdef CONFIG_SDL
1517 display = DT_SDL;
1518 while (*opts) {
1519 const char *nextopt;
1520
1521 if (strstart(opts, ",frame=", &nextopt)) {
1522 opts = nextopt;
1523 if (strstart(opts, "on", &nextopt)) {
1524 no_frame = 0;
1525 } else if (strstart(opts, "off", &nextopt)) {
1526 no_frame = 1;
1527 } else {
1528 goto invalid_sdl_args;
1529 }
1530 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1531 opts = nextopt;
1532 if (strstart(opts, "on", &nextopt)) {
1533 alt_grab = 1;
1534 } else if (strstart(opts, "off", &nextopt)) {
1535 alt_grab = 0;
1536 } else {
1537 goto invalid_sdl_args;
1538 }
1539 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1540 opts = nextopt;
1541 if (strstart(opts, "on", &nextopt)) {
1542 ctrl_grab = 1;
1543 } else if (strstart(opts, "off", &nextopt)) {
1544 ctrl_grab = 0;
1545 } else {
1546 goto invalid_sdl_args;
1547 }
1548 } else if (strstart(opts, ",window_close=", &nextopt)) {
1549 opts = nextopt;
1550 if (strstart(opts, "on", &nextopt)) {
1551 no_quit = 0;
1552 } else if (strstart(opts, "off", &nextopt)) {
1553 no_quit = 1;
1554 } else {
1555 goto invalid_sdl_args;
1556 }
1557 } else {
1558 invalid_sdl_args:
1559 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1560 exit(1);
1561 }
1562 opts = nextopt;
1563 }
1564 #else
1565 fprintf(stderr, "SDL support is disabled\n");
1566 exit(1);
1567 #endif
1568 } else if (strstart(p, "vnc", &opts)) {
1569 #ifdef CONFIG_VNC
1570 display_remote++;
1571
1572 if (*opts) {
1573 const char *nextopt;
1574
1575 if (strstart(opts, "=", &nextopt)) {
1576 vnc_display = nextopt;
1577 }
1578 }
1579 if (!vnc_display) {
1580 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1581 exit(1);
1582 }
1583 #else
1584 fprintf(stderr, "VNC support is disabled\n");
1585 exit(1);
1586 #endif
1587 } else if (strstart(p, "curses", &opts)) {
1588 #ifdef CONFIG_CURSES
1589 display = DT_CURSES;
1590 #else
1591 fprintf(stderr, "Curses support is disabled\n");
1592 exit(1);
1593 #endif
1594 } else if (strstart(p, "none", &opts)) {
1595 display = DT_NONE;
1596 } else {
1597 fprintf(stderr, "Unknown display type: %s\n", p);
1598 exit(1);
1599 }
1600
1601 return display;
1602 }
1603
1604 static int balloon_parse(const char *arg)
1605 {
1606 QemuOpts *opts;
1607
1608 if (strcmp(arg, "none") == 0) {
1609 return 0;
1610 }
1611
1612 if (!strncmp(arg, "virtio", 6)) {
1613 if (arg[6] == ',') {
1614 /* have params -> parse them */
1615 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1616 if (!opts)
1617 return -1;
1618 } else {
1619 /* create empty opts */
1620 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1621 }
1622 qemu_opt_set(opts, "driver", "virtio-balloon");
1623 return 0;
1624 }
1625
1626 return -1;
1627 }
1628
1629 char *qemu_find_file(int type, const char *name)
1630 {
1631 int len;
1632 const char *subdir;
1633 char *buf;
1634
1635 /* If name contains path separators then try it as a straight path. */
1636 if ((strchr(name, '/') || strchr(name, '\\'))
1637 && access(name, R_OK) == 0) {
1638 return qemu_strdup(name);
1639 }
1640 switch (type) {
1641 case QEMU_FILE_TYPE_BIOS:
1642 subdir = "";
1643 break;
1644 case QEMU_FILE_TYPE_KEYMAP:
1645 subdir = "keymaps/";
1646 break;
1647 default:
1648 abort();
1649 }
1650 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1651 buf = qemu_mallocz(len);
1652 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1653 if (access(buf, R_OK)) {
1654 qemu_free(buf);
1655 return NULL;
1656 }
1657 return buf;
1658 }
1659
1660 static int device_help_func(QemuOpts *opts, void *opaque)
1661 {
1662 return qdev_device_help(opts);
1663 }
1664
1665 static int device_init_func(QemuOpts *opts, void *opaque)
1666 {
1667 DeviceState *dev;
1668
1669 dev = qdev_device_add(opts);
1670 if (!dev)
1671 return -1;
1672 return 0;
1673 }
1674
1675 static int chardev_init_func(QemuOpts *opts, void *opaque)
1676 {
1677 CharDriverState *chr;
1678
1679 chr = qemu_chr_open_opts(opts, NULL);
1680 if (!chr)
1681 return -1;
1682 return 0;
1683 }
1684
1685 #ifdef CONFIG_VIRTFS
1686 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1687 {
1688 int ret;
1689 ret = qemu_fsdev_add(opts);
1690
1691 return ret;
1692 }
1693 #endif
1694
1695 static int mon_init_func(QemuOpts *opts, void *opaque)
1696 {
1697 CharDriverState *chr;
1698 const char *chardev;
1699 const char *mode;
1700 int flags;
1701
1702 mode = qemu_opt_get(opts, "mode");
1703 if (mode == NULL) {
1704 mode = "readline";
1705 }
1706 if (strcmp(mode, "readline") == 0) {
1707 flags = MONITOR_USE_READLINE;
1708 } else if (strcmp(mode, "control") == 0) {
1709 flags = MONITOR_USE_CONTROL;
1710 } else {
1711 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1712 exit(1);
1713 }
1714
1715 if (qemu_opt_get_bool(opts, "pretty", 0))
1716 flags |= MONITOR_USE_PRETTY;
1717
1718 if (qemu_opt_get_bool(opts, "default", 0))
1719 flags |= MONITOR_IS_DEFAULT;
1720
1721 chardev = qemu_opt_get(opts, "chardev");
1722 chr = qemu_chr_find(chardev);
1723 if (chr == NULL) {
1724 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1725 exit(1);
1726 }
1727
1728 monitor_init(chr, flags);
1729 return 0;
1730 }
1731
1732 static void monitor_parse(const char *optarg, const char *mode)
1733 {
1734 static int monitor_device_index = 0;
1735 QemuOpts *opts;
1736 const char *p;
1737 char label[32];
1738 int def = 0;
1739
1740 if (strstart(optarg, "chardev:", &p)) {
1741 snprintf(label, sizeof(label), "%s", p);
1742 } else {
1743 snprintf(label, sizeof(label), "compat_monitor%d",
1744 monitor_device_index);
1745 if (monitor_device_index == 0) {
1746 def = 1;
1747 }
1748 opts = qemu_chr_parse_compat(label, optarg);
1749 if (!opts) {
1750 fprintf(stderr, "parse error: %s\n", optarg);
1751 exit(1);
1752 }
1753 }
1754
1755 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1756 if (!opts) {
1757 fprintf(stderr, "duplicate chardev: %s\n", label);
1758 exit(1);
1759 }
1760 qemu_opt_set(opts, "mode", mode);
1761 qemu_opt_set(opts, "chardev", label);
1762 if (def)
1763 qemu_opt_set(opts, "default", "on");
1764 monitor_device_index++;
1765 }
1766
1767 struct device_config {
1768 enum {
1769 DEV_USB, /* -usbdevice */
1770 DEV_BT, /* -bt */
1771 DEV_SERIAL, /* -serial */
1772 DEV_PARALLEL, /* -parallel */
1773 DEV_VIRTCON, /* -virtioconsole */
1774 DEV_DEBUGCON, /* -debugcon */
1775 } type;
1776 const char *cmdline;
1777 QTAILQ_ENTRY(device_config) next;
1778 };
1779 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1780
1781 static void add_device_config(int type, const char *cmdline)
1782 {
1783 struct device_config *conf;
1784
1785 conf = qemu_mallocz(sizeof(*conf));
1786 conf->type = type;
1787 conf->cmdline = cmdline;
1788 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1789 }
1790
1791 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1792 {
1793 struct device_config *conf;
1794 int rc;
1795
1796 QTAILQ_FOREACH(conf, &device_configs, next) {
1797 if (conf->type != type)
1798 continue;
1799 rc = func(conf->cmdline);
1800 if (0 != rc)
1801 return rc;
1802 }
1803 return 0;
1804 }
1805
1806 static int serial_parse(const char *devname)
1807 {
1808 static int index = 0;
1809 char label[32];
1810
1811 if (strcmp(devname, "none") == 0)
1812 return 0;
1813 if (index == MAX_SERIAL_PORTS) {
1814 fprintf(stderr, "qemu: too many serial ports\n");
1815 exit(1);
1816 }
1817 snprintf(label, sizeof(label), "serial%d", index);
1818 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1819 if (!serial_hds[index]) {
1820 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1821 devname, strerror(errno));
1822 return -1;
1823 }
1824 index++;
1825 return 0;
1826 }
1827
1828 static int parallel_parse(const char *devname)
1829 {
1830 static int index = 0;
1831 char label[32];
1832
1833 if (strcmp(devname, "none") == 0)
1834 return 0;
1835 if (index == MAX_PARALLEL_PORTS) {
1836 fprintf(stderr, "qemu: too many parallel ports\n");
1837 exit(1);
1838 }
1839 snprintf(label, sizeof(label), "parallel%d", index);
1840 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1841 if (!parallel_hds[index]) {
1842 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1843 devname, strerror(errno));
1844 return -1;
1845 }
1846 index++;
1847 return 0;
1848 }
1849
1850 static int virtcon_parse(const char *devname)
1851 {
1852 QemuOptsList *device = qemu_find_opts("device");
1853 static int index = 0;
1854 char label[32];
1855 QemuOpts *bus_opts, *dev_opts;
1856
1857 if (strcmp(devname, "none") == 0)
1858 return 0;
1859 if (index == MAX_VIRTIO_CONSOLES) {
1860 fprintf(stderr, "qemu: too many virtio consoles\n");
1861 exit(1);
1862 }
1863
1864 bus_opts = qemu_opts_create(device, NULL, 0);
1865 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1866
1867 dev_opts = qemu_opts_create(device, NULL, 0);
1868 qemu_opt_set(dev_opts, "driver", "virtconsole");
1869
1870 snprintf(label, sizeof(label), "virtcon%d", index);
1871 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1872 if (!virtcon_hds[index]) {
1873 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1874 devname, strerror(errno));
1875 return -1;
1876 }
1877 qemu_opt_set(dev_opts, "chardev", label);
1878
1879 index++;
1880 return 0;
1881 }
1882
1883 static int debugcon_parse(const char *devname)
1884 {
1885 QemuOpts *opts;
1886
1887 if (!qemu_chr_open("debugcon", devname, NULL)) {
1888 exit(1);
1889 }
1890 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1891 if (!opts) {
1892 fprintf(stderr, "qemu: already have a debugcon device\n");
1893 exit(1);
1894 }
1895 qemu_opt_set(opts, "driver", "isa-debugcon");
1896 qemu_opt_set(opts, "chardev", "debugcon");
1897 return 0;
1898 }
1899
1900 static int tcg_init(void)
1901 {
1902 return 0;
1903 }
1904
1905 static struct {
1906 const char *opt_name;
1907 const char *name;
1908 int (*available)(void);
1909 int (*init)(void);
1910 int *allowed;
1911 } accel_list[] = {
1912 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1913 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1914 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1915 };
1916
1917 static int configure_accelerator(void)
1918 {
1919 const char *p = NULL;
1920 char buf[10];
1921 int i, ret;
1922 bool accel_initalised = 0;
1923 bool init_failed = 0;
1924
1925 QemuOptsList *list = qemu_find_opts("machine");
1926 if (!QTAILQ_EMPTY(&list->head)) {
1927 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
1928 }
1929
1930 if (p == NULL) {
1931 /* Use the default "accelerator", tcg */
1932 p = "tcg";
1933 }
1934
1935 while (!accel_initalised && *p != '\0') {
1936 if (*p == ':') {
1937 p++;
1938 }
1939 p = get_opt_name(buf, sizeof (buf), p, ':');
1940 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
1941 if (strcmp(accel_list[i].opt_name, buf) == 0) {
1942 *(accel_list[i].allowed) = 1;
1943 ret = accel_list[i].init();
1944 if (ret < 0) {
1945 init_failed = 1;
1946 if (!accel_list[i].available()) {
1947 printf("%s not supported for this target\n",
1948 accel_list[i].name);
1949 } else {
1950 fprintf(stderr, "failed to initialize %s: %s\n",
1951 accel_list[i].name,
1952 strerror(-ret));
1953 }
1954 *(accel_list[i].allowed) = 0;
1955 } else {
1956 accel_initalised = 1;
1957 }
1958 break;
1959 }
1960 }
1961 if (i == ARRAY_SIZE(accel_list)) {
1962 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
1963 }
1964 }
1965
1966 if (!accel_initalised) {
1967 fprintf(stderr, "No accelerator found!\n");
1968 exit(1);
1969 }
1970
1971 if (init_failed) {
1972 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
1973 }
1974
1975 return !accel_initalised;
1976 }
1977
1978 void qemu_add_exit_notifier(Notifier *notify)
1979 {
1980 notifier_list_add(&exit_notifiers, notify);
1981 }
1982
1983 void qemu_remove_exit_notifier(Notifier *notify)
1984 {
1985 notifier_list_remove(&exit_notifiers, notify);
1986 }
1987
1988 static void qemu_run_exit_notifiers(void)
1989 {
1990 notifier_list_notify(&exit_notifiers);
1991 }
1992
1993 void qemu_add_machine_init_done_notifier(Notifier *notify)
1994 {
1995 notifier_list_add(&machine_init_done_notifiers, notify);
1996 }
1997
1998 static void qemu_run_machine_init_done_notifiers(void)
1999 {
2000 notifier_list_notify(&machine_init_done_notifiers);
2001 }
2002
2003 static const QEMUOption *lookup_opt(int argc, char **argv,
2004 const char **poptarg, int *poptind)
2005 {
2006 const QEMUOption *popt;
2007 int optind = *poptind;
2008 char *r = argv[optind];
2009 const char *optarg;
2010
2011 loc_set_cmdline(argv, optind, 1);
2012 optind++;
2013 /* Treat --foo the same as -foo. */
2014 if (r[1] == '-')
2015 r++;
2016 popt = qemu_options;
2017 for(;;) {
2018 if (!popt->name) {
2019 error_report("invalid option");
2020 exit(1);
2021 }
2022 if (!strcmp(popt->name, r + 1))
2023 break;
2024 popt++;
2025 }
2026 if (popt->flags & HAS_ARG) {
2027 if (optind >= argc) {
2028 error_report("requires an argument");
2029 exit(1);
2030 }
2031 optarg = argv[optind++];
2032 loc_set_cmdline(argv, optind - 2, 2);
2033 } else {
2034 optarg = NULL;
2035 }
2036
2037 *poptarg = optarg;
2038 *poptind = optind;
2039
2040 return popt;
2041 }
2042
2043 int main(int argc, char **argv, char **envp)
2044 {
2045 const char *gdbstub_dev = NULL;
2046 int i;
2047 int snapshot, linux_boot;
2048 const char *icount_option = NULL;
2049 const char *initrd_filename;
2050 const char *kernel_filename, *kernel_cmdline;
2051 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2052 DisplayState *ds;
2053 DisplayChangeListener *dcl;
2054 int cyls, heads, secs, translation;
2055 QemuOpts *hda_opts = NULL, *opts;
2056 QemuOptsList *olist;
2057 int optind;
2058 const char *optarg;
2059 const char *loadvm = NULL;
2060 QEMUMachine *machine;
2061 const char *cpu_model;
2062 int tb_size;
2063 const char *pid_file = NULL;
2064 const char *incoming = NULL;
2065 #ifdef CONFIG_VNC
2066 int show_vnc_port = 0;
2067 #endif
2068 int defconfig = 1;
2069 const char *trace_file = NULL;
2070 const char *log_mask = NULL;
2071 const char *log_file = NULL;
2072
2073 atexit(qemu_run_exit_notifiers);
2074 error_set_progname(argv[0]);
2075
2076 init_clocks();
2077
2078 qemu_cache_utils_init(envp);
2079
2080 QLIST_INIT (&vm_change_state_head);
2081 os_setup_early_signal_handling();
2082
2083 module_call_init(MODULE_INIT_MACHINE);
2084 machine = find_default_machine();
2085 cpu_model = NULL;
2086 initrd_filename = NULL;
2087 ram_size = 0;
2088 snapshot = 0;
2089 kernel_filename = NULL;
2090 kernel_cmdline = "";
2091 cyls = heads = secs = 0;
2092 translation = BIOS_ATA_TRANSLATION_AUTO;
2093
2094 for (i = 0; i < MAX_NODES; i++) {
2095 node_mem[i] = 0;
2096 node_cpumask[i] = 0;
2097 }
2098
2099 nb_numa_nodes = 0;
2100 nb_nics = 0;
2101
2102 tb_size = 0;
2103 autostart= 1;
2104
2105 /* first pass of option parsing */
2106 optind = 1;
2107 while (optind < argc) {
2108 if (argv[optind][0] != '-') {
2109 /* disk image */
2110 optind++;
2111 continue;
2112 } else {
2113 const QEMUOption *popt;
2114
2115 popt = lookup_opt(argc, argv, &optarg, &optind);
2116 switch (popt->index) {
2117 case QEMU_OPTION_nodefconfig:
2118 defconfig=0;
2119 break;
2120 }
2121 }
2122 }
2123
2124 if (defconfig) {
2125 int ret;
2126
2127 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2128 if (ret < 0 && ret != -ENOENT) {
2129 exit(1);
2130 }
2131
2132 ret = qemu_read_config_file(arch_config_name);
2133 if (ret < 0 && ret != -ENOENT) {
2134 exit(1);
2135 }
2136 }
2137 cpudef_init();
2138
2139 /* second pass of option parsing */
2140 optind = 1;
2141 for(;;) {
2142 if (optind >= argc)
2143 break;
2144 if (argv[optind][0] != '-') {
2145 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2146 } else {
2147 const QEMUOption *popt;
2148
2149 popt = lookup_opt(argc, argv, &optarg, &optind);
2150 if (!(popt->arch_mask & arch_type)) {
2151 printf("Option %s not supported for this target\n", popt->name);
2152 exit(1);
2153 }
2154 switch(popt->index) {
2155 case QEMU_OPTION_M:
2156 machine = find_machine(optarg);
2157 if (!machine) {
2158 QEMUMachine *m;
2159 printf("Supported machines are:\n");
2160 for(m = first_machine; m != NULL; m = m->next) {
2161 if (m->alias)
2162 printf("%-10s %s (alias of %s)\n",
2163 m->alias, m->desc, m->name);
2164 printf("%-10s %s%s\n",
2165 m->name, m->desc,
2166 m->is_default ? " (default)" : "");
2167 }
2168 exit(*optarg != '?');
2169 }
2170 break;
2171 case QEMU_OPTION_cpu:
2172 /* hw initialization will check this */
2173 if (*optarg == '?') {
2174 list_cpus(stdout, &fprintf, optarg);
2175 exit(0);
2176 } else {
2177 cpu_model = optarg;
2178 }
2179 break;
2180 case QEMU_OPTION_initrd:
2181 initrd_filename = optarg;
2182 break;
2183 case QEMU_OPTION_hda:
2184 {
2185 char buf[256];
2186 if (cyls == 0)
2187 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2188 else
2189 snprintf(buf, sizeof(buf),
2190 "%s,cyls=%d,heads=%d,secs=%d%s",
2191 HD_OPTS , cyls, heads, secs,
2192 translation == BIOS_ATA_TRANSLATION_LBA ?
2193 ",trans=lba" :
2194 translation == BIOS_ATA_TRANSLATION_NONE ?
2195 ",trans=none" : "");
2196 drive_add(IF_DEFAULT, 0, optarg, buf);
2197 break;
2198 }
2199 case QEMU_OPTION_hdb:
2200 case QEMU_OPTION_hdc:
2201 case QEMU_OPTION_hdd:
2202 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2203 HD_OPTS);
2204 break;
2205 case QEMU_OPTION_drive:
2206 if (drive_def(optarg) == NULL) {
2207 exit(1);
2208 }
2209 break;
2210 case QEMU_OPTION_set:
2211 if (qemu_set_option(optarg) != 0)
2212 exit(1);
2213 break;
2214 case QEMU_OPTION_global:
2215 if (qemu_global_option(optarg) != 0)
2216 exit(1);
2217 break;
2218 case QEMU_OPTION_mtdblock:
2219 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2220 break;
2221 case QEMU_OPTION_sd:
2222 drive_add(IF_SD, 0, optarg, SD_OPTS);
2223 break;
2224 case QEMU_OPTION_pflash:
2225 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2226 break;
2227 case QEMU_OPTION_snapshot:
2228 snapshot = 1;
2229 break;
2230 case QEMU_OPTION_hdachs:
2231 {
2232 const char *p;
2233 p = optarg;
2234 cyls = strtol(p, (char **)&p, 0);
2235 if (cyls < 1 || cyls > 16383)
2236 goto chs_fail;
2237 if (*p != ',')
2238 goto chs_fail;
2239 p++;
2240 heads = strtol(p, (char **)&p, 0);
2241 if (heads < 1 || heads > 16)
2242 goto chs_fail;
2243 if (*p != ',')
2244 goto chs_fail;
2245 p++;
2246 secs = strtol(p, (char **)&p, 0);
2247 if (secs < 1 || secs > 63)
2248 goto chs_fail;
2249 if (*p == ',') {
2250 p++;
2251 if (!strcmp(p, "none"))
2252 translation = BIOS_ATA_TRANSLATION_NONE;
2253 else if (!strcmp(p, "lba"))
2254 translation = BIOS_ATA_TRANSLATION_LBA;
2255 else if (!strcmp(p, "auto"))
2256 translation = BIOS_ATA_TRANSLATION_AUTO;
2257 else
2258 goto chs_fail;
2259 } else if (*p != '\0') {
2260 chs_fail:
2261 fprintf(stderr, "qemu: invalid physical CHS format\n");
2262 exit(1);
2263 }
2264 if (hda_opts != NULL) {
2265 char num[16];
2266 snprintf(num, sizeof(num), "%d", cyls);
2267 qemu_opt_set(hda_opts, "cyls", num);
2268 snprintf(num, sizeof(num), "%d", heads);
2269 qemu_opt_set(hda_opts, "heads", num);
2270 snprintf(num, sizeof(num), "%d", secs);
2271 qemu_opt_set(hda_opts, "secs", num);
2272 if (translation == BIOS_ATA_TRANSLATION_LBA)
2273 qemu_opt_set(hda_opts, "trans", "lba");
2274 if (translation == BIOS_ATA_TRANSLATION_NONE)
2275 qemu_opt_set(hda_opts, "trans", "none");
2276 }
2277 }
2278 break;
2279 case QEMU_OPTION_numa:
2280 if (nb_numa_nodes >= MAX_NODES) {
2281 fprintf(stderr, "qemu: too many NUMA nodes\n");
2282 exit(1);
2283 }
2284 numa_add(optarg);
2285 break;
2286 case QEMU_OPTION_display:
2287 display_type = select_display(optarg);
2288 break;
2289 case QEMU_OPTION_nographic:
2290 display_type = DT_NOGRAPHIC;
2291 break;
2292 case QEMU_OPTION_curses:
2293 #ifdef CONFIG_CURSES
2294 display_type = DT_CURSES;
2295 #else
2296 fprintf(stderr, "Curses support is disabled\n");
2297 exit(1);
2298 #endif
2299 break;
2300 case QEMU_OPTION_portrait:
2301 graphic_rotate = 1;
2302 break;
2303 case QEMU_OPTION_kernel:
2304 kernel_filename = optarg;
2305 break;
2306 case QEMU_OPTION_append:
2307 kernel_cmdline = optarg;
2308 break;
2309 case QEMU_OPTION_cdrom:
2310 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2311 break;
2312 case QEMU_OPTION_boot:
2313 {
2314 static const char * const params[] = {
2315 "order", "once", "menu", NULL
2316 };
2317 char buf[sizeof(boot_devices)];
2318 char *standard_boot_devices;
2319 int legacy = 0;
2320
2321 if (!strchr(optarg, '=')) {
2322 legacy = 1;
2323 pstrcpy(buf, sizeof(buf), optarg);
2324 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2325 fprintf(stderr,
2326 "qemu: unknown boot parameter '%s' in '%s'\n",
2327 buf, optarg);
2328 exit(1);
2329 }
2330
2331 if (legacy ||
2332 get_param_value(buf, sizeof(buf), "order", optarg)) {
2333 validate_bootdevices(buf);
2334 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2335 }
2336 if (!legacy) {
2337 if (get_param_value(buf, sizeof(buf),
2338 "once", optarg)) {
2339 validate_bootdevices(buf);
2340 standard_boot_devices = qemu_strdup(boot_devices);
2341 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2342 qemu_register_reset(restore_boot_devices,
2343 standard_boot_devices);
2344 }
2345 if (get_param_value(buf, sizeof(buf),
2346 "menu", optarg)) {
2347 if (!strcmp(buf, "on")) {
2348 boot_menu = 1;
2349 } else if (!strcmp(buf, "off")) {
2350 boot_menu = 0;
2351 } else {
2352 fprintf(stderr,
2353 "qemu: invalid option value '%s'\n",
2354 buf);
2355 exit(1);
2356 }
2357 }
2358 }
2359 }
2360 break;
2361 case QEMU_OPTION_fda:
2362 case QEMU_OPTION_fdb:
2363 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2364 optarg, FD_OPTS);
2365 break;
2366 case QEMU_OPTION_no_fd_bootchk:
2367 fd_bootchk = 0;
2368 break;
2369 case QEMU_OPTION_netdev:
2370 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2371 exit(1);
2372 }
2373 break;
2374 case QEMU_OPTION_net:
2375 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2376 exit(1);
2377 }
2378 break;
2379 #ifdef CONFIG_SLIRP
2380 case QEMU_OPTION_tftp:
2381 legacy_tftp_prefix = optarg;
2382 break;
2383 case QEMU_OPTION_bootp:
2384 legacy_bootp_filename = optarg;
2385 break;
2386 case QEMU_OPTION_redir:
2387 if (net_slirp_redir(optarg) < 0)
2388 exit(1);
2389 break;
2390 #endif
2391 case QEMU_OPTION_bt:
2392 add_device_config(DEV_BT, optarg);
2393 break;
2394 case QEMU_OPTION_audio_help:
2395 if (!(audio_available())) {
2396 printf("Option %s not supported for this target\n", popt->name);
2397 exit(1);
2398 }
2399 AUD_help ();
2400 exit (0);
2401 break;
2402 case QEMU_OPTION_soundhw:
2403 if (!(audio_available())) {
2404 printf("Option %s not supported for this target\n", popt->name);
2405 exit(1);
2406 }
2407 select_soundhw (optarg);
2408 break;
2409 case QEMU_OPTION_h:
2410 help(0);
2411 break;
2412 case QEMU_OPTION_version:
2413 version();
2414 exit(0);
2415 break;
2416 case QEMU_OPTION_m: {
2417 int64_t value;
2418
2419 value = strtosz(optarg, NULL);
2420 if (value < 0) {
2421 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2422 exit(1);
2423 }
2424
2425 /* On 32-bit hosts, QEMU is limited by virtual address space */
2426 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2427 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2428 exit(1);
2429 }
2430 if (value != (uint64_t)(ram_addr_t)value) {
2431 fprintf(stderr, "qemu: ram size too large\n");
2432 exit(1);
2433 }
2434 ram_size = value;
2435 break;
2436 }
2437 case QEMU_OPTION_mempath:
2438 mem_path = optarg;
2439 break;
2440 #ifdef MAP_POPULATE
2441 case QEMU_OPTION_mem_prealloc:
2442 mem_prealloc = 1;
2443 break;
2444 #endif
2445 case QEMU_OPTION_d:
2446 log_mask = optarg;
2447 break;
2448 case QEMU_OPTION_D:
2449 log_file = optarg;
2450 break;
2451 case QEMU_OPTION_s:
2452 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2453 break;
2454 case QEMU_OPTION_gdb:
2455 gdbstub_dev = optarg;
2456 break;
2457 case QEMU_OPTION_L:
2458 data_dir = optarg;
2459 break;
2460 case QEMU_OPTION_bios:
2461 bios_name = optarg;
2462 break;
2463 case QEMU_OPTION_singlestep:
2464 singlestep = 1;
2465 break;
2466 case QEMU_OPTION_S:
2467 autostart = 0;
2468 break;
2469 case QEMU_OPTION_k:
2470 keyboard_layout = optarg;
2471 break;
2472 case QEMU_OPTION_localtime:
2473 rtc_utc = 0;
2474 break;
2475 case QEMU_OPTION_vga:
2476 select_vgahw (optarg);
2477 break;
2478 case QEMU_OPTION_g:
2479 {
2480 const char *p;
2481 int w, h, depth;
2482 p = optarg;
2483 w = strtol(p, (char **)&p, 10);
2484 if (w <= 0) {
2485 graphic_error:
2486 fprintf(stderr, "qemu: invalid resolution or depth\n");
2487 exit(1);
2488 }
2489 if (*p != 'x')
2490 goto graphic_error;
2491 p++;
2492 h = strtol(p, (char **)&p, 10);
2493 if (h <= 0)
2494 goto graphic_error;
2495 if (*p == 'x') {
2496 p++;
2497 depth = strtol(p, (char **)&p, 10);
2498 if (depth != 8 && depth != 15 && depth != 16 &&
2499 depth != 24 && depth != 32)
2500 goto graphic_error;
2501 } else if (*p == '\0') {
2502 depth = graphic_depth;
2503 } else {
2504 goto graphic_error;
2505 }
2506
2507 graphic_width = w;
2508 graphic_height = h;
2509 graphic_depth = depth;
2510 }
2511 break;
2512 case QEMU_OPTION_echr:
2513 {
2514 char *r;
2515 term_escape_char = strtol(optarg, &r, 0);
2516 if (r == optarg)
2517 printf("Bad argument to echr\n");
2518 break;
2519 }
2520 case QEMU_OPTION_monitor:
2521 monitor_parse(optarg, "readline");
2522 default_monitor = 0;
2523 break;
2524 case QEMU_OPTION_qmp:
2525 monitor_parse(optarg, "control");
2526 default_monitor = 0;
2527 break;
2528 case QEMU_OPTION_mon:
2529 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2530 if (!opts) {
2531 exit(1);
2532 }
2533 default_monitor = 0;
2534 break;
2535 case QEMU_OPTION_chardev:
2536 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2537 if (!opts) {
2538 exit(1);
2539 }
2540 break;
2541 case QEMU_OPTION_fsdev:
2542 olist = qemu_find_opts("fsdev");
2543 if (!olist) {
2544 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2545 exit(1);
2546 }
2547 opts = qemu_opts_parse(olist, optarg, 1);
2548 if (!opts) {
2549 fprintf(stderr, "parse error: %s\n", optarg);
2550 exit(1);
2551 }
2552 break;
2553 case QEMU_OPTION_virtfs: {
2554 QemuOpts *fsdev;
2555 QemuOpts *device;
2556
2557 olist = qemu_find_opts("virtfs");
2558 if (!olist) {
2559 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2560 exit(1);
2561 }
2562 opts = qemu_opts_parse(olist, optarg, 1);
2563 if (!opts) {
2564 fprintf(stderr, "parse error: %s\n", optarg);
2565 exit(1);
2566 }
2567
2568 if (qemu_opt_get(opts, "fstype") == NULL ||
2569 qemu_opt_get(opts, "mount_tag") == NULL ||
2570 qemu_opt_get(opts, "path") == NULL ||
2571 qemu_opt_get(opts, "security_model") == NULL) {
2572 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2573 "security_model=[mapped|passthrough|none],"
2574 "mount_tag=tag.\n");
2575 exit(1);
2576 }
2577
2578 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2579 qemu_opt_get(opts, "mount_tag"), 1);
2580 if (!fsdev) {
2581 fprintf(stderr, "duplicate fsdev id: %s\n",
2582 qemu_opt_get(opts, "mount_tag"));
2583 exit(1);
2584 }
2585 qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2586 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2587 qemu_opt_set(fsdev, "security_model",
2588 qemu_opt_get(opts, "security_model"));
2589
2590 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2591 qemu_opt_set(device, "driver", "virtio-9p-pci");
2592 qemu_opt_set(device, "fsdev",
2593 qemu_opt_get(opts, "mount_tag"));
2594 qemu_opt_set(device, "mount_tag",
2595 qemu_opt_get(opts, "mount_tag"));
2596 break;
2597 }
2598 case QEMU_OPTION_serial:
2599 add_device_config(DEV_SERIAL, optarg);
2600 default_serial = 0;
2601 if (strncmp(optarg, "mon:", 4) == 0) {
2602 default_monitor = 0;
2603 }
2604 break;
2605 case QEMU_OPTION_watchdog:
2606 if (watchdog) {
2607 fprintf(stderr,
2608 "qemu: only one watchdog option may be given\n");
2609 return 1;
2610 }
2611 watchdog = optarg;
2612 break;
2613 case QEMU_OPTION_watchdog_action:
2614 if (select_watchdog_action(optarg) == -1) {
2615 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2616 exit(1);
2617 }
2618 break;
2619 case QEMU_OPTION_virtiocon:
2620 add_device_config(DEV_VIRTCON, optarg);
2621 default_virtcon = 0;
2622 if (strncmp(optarg, "mon:", 4) == 0) {
2623 default_monitor = 0;
2624 }
2625 break;
2626 case QEMU_OPTION_parallel:
2627 add_device_config(DEV_PARALLEL, optarg);
2628 default_parallel = 0;
2629 if (strncmp(optarg, "mon:", 4) == 0) {
2630 default_monitor = 0;
2631 }
2632 break;
2633 case QEMU_OPTION_debugcon:
2634 add_device_config(DEV_DEBUGCON, optarg);
2635 break;
2636 case QEMU_OPTION_loadvm:
2637 loadvm = optarg;
2638 break;
2639 case QEMU_OPTION_full_screen:
2640 full_screen = 1;
2641 break;
2642 #ifdef CONFIG_SDL
2643 case QEMU_OPTION_no_frame:
2644 no_frame = 1;
2645 break;
2646 case QEMU_OPTION_alt_grab:
2647 alt_grab = 1;
2648 break;
2649 case QEMU_OPTION_ctrl_grab:
2650 ctrl_grab = 1;
2651 break;
2652 case QEMU_OPTION_no_quit:
2653 no_quit = 1;
2654 break;
2655 case QEMU_OPTION_sdl:
2656 display_type = DT_SDL;
2657 break;
2658 #else
2659 case QEMU_OPTION_no_frame:
2660 case QEMU_OPTION_alt_grab:
2661 case QEMU_OPTION_ctrl_grab:
2662 case QEMU_OPTION_no_quit:
2663 case QEMU_OPTION_sdl:
2664 fprintf(stderr, "SDL support is disabled\n");
2665 exit(1);
2666 #endif
2667 case QEMU_OPTION_pidfile:
2668 pid_file = optarg;
2669 break;
2670 case QEMU_OPTION_win2k_hack:
2671 win2k_install_hack = 1;
2672 break;
2673 case QEMU_OPTION_rtc_td_hack:
2674 rtc_td_hack = 1;
2675 break;
2676 case QEMU_OPTION_acpitable:
2677 do_acpitable_option(optarg);
2678 break;
2679 case QEMU_OPTION_smbios:
2680 do_smbios_option(optarg);
2681 break;
2682 case QEMU_OPTION_enable_kvm:
2683 olist = qemu_find_opts("machine");
2684 qemu_opts_reset(olist);
2685 qemu_opts_parse(olist, "accel=kvm", 0);
2686 break;
2687 case QEMU_OPTION_machine:
2688 olist = qemu_find_opts("machine");
2689 qemu_opts_reset(olist);
2690 opts = qemu_opts_parse(olist, optarg, 0);
2691 if (!opts) {
2692 fprintf(stderr, "parse error: %s\n", optarg);
2693 exit(1);
2694 }
2695 break;
2696 case QEMU_OPTION_usb:
2697 usb_enabled = 1;
2698 break;
2699 case QEMU_OPTION_usbdevice:
2700 usb_enabled = 1;
2701 add_device_config(DEV_USB, optarg);
2702 break;
2703 case QEMU_OPTION_device:
2704 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2705 exit(1);
2706 }
2707 break;
2708 case QEMU_OPTION_smp:
2709 smp_parse(optarg);
2710 if (smp_cpus < 1) {
2711 fprintf(stderr, "Invalid number of CPUs\n");
2712 exit(1);
2713 }
2714 if (max_cpus < smp_cpus) {
2715 fprintf(stderr, "maxcpus must be equal to or greater than "
2716 "smp\n");
2717 exit(1);
2718 }
2719 if (max_cpus > 255) {
2720 fprintf(stderr, "Unsupported number of maxcpus\n");
2721 exit(1);
2722 }
2723 break;
2724 case QEMU_OPTION_vnc:
2725 #ifdef CONFIG_VNC
2726 display_remote++;
2727 vnc_display = optarg;
2728 #else
2729 fprintf(stderr, "VNC support is disabled\n");
2730 exit(1);
2731 #endif
2732 break;
2733 case QEMU_OPTION_no_acpi:
2734 acpi_enabled = 0;
2735 break;
2736 case QEMU_OPTION_no_hpet:
2737 no_hpet = 1;
2738 break;
2739 case QEMU_OPTION_balloon:
2740 if (balloon_parse(optarg) < 0) {
2741 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2742 exit(1);
2743 }
2744 break;
2745 case QEMU_OPTION_no_reboot:
2746 no_reboot = 1;
2747 break;
2748 case QEMU_OPTION_no_shutdown:
2749 no_shutdown = 1;
2750 break;
2751 case QEMU_OPTION_show_cursor:
2752 cursor_hide = 0;
2753 break;
2754 case QEMU_OPTION_uuid:
2755 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2756 fprintf(stderr, "Fail to parse UUID string."
2757 " Wrong format.\n");
2758 exit(1);
2759 }
2760 break;
2761 case QEMU_OPTION_option_rom:
2762 if (nb_option_roms >= MAX_OPTION_ROMS) {
2763 fprintf(stderr, "Too many option ROMs\n");
2764 exit(1);
2765 }
2766 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2767 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2768 option_rom[nb_option_roms].bootindex =
2769 qemu_opt_get_number(opts, "bootindex", -1);
2770 if (!option_rom[nb_option_roms].name) {
2771 fprintf(stderr, "Option ROM file is not specified\n");
2772 exit(1);
2773 }
2774 nb_option_roms++;
2775 break;
2776 case QEMU_OPTION_semihosting:
2777 semihosting_enabled = 1;
2778 break;
2779 case QEMU_OPTION_name:
2780 qemu_name = qemu_strdup(optarg);
2781 {
2782 char *p = strchr(qemu_name, ',');
2783 if (p != NULL) {
2784 *p++ = 0;
2785 if (strncmp(p, "process=", 8)) {
2786 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2787 exit(1);
2788 }
2789 p += 8;
2790 os_set_proc_name(p);
2791 }
2792 }
2793 break;
2794 case QEMU_OPTION_prom_env:
2795 if (nb_prom_envs >= MAX_PROM_ENVS) {
2796 fprintf(stderr, "Too many prom variables\n");
2797 exit(1);
2798 }
2799 prom_envs[nb_prom_envs] = optarg;
2800 nb_prom_envs++;
2801 break;
2802 case QEMU_OPTION_old_param:
2803 old_param = 1;
2804 break;
2805 case QEMU_OPTION_clock:
2806 configure_alarms(optarg);
2807 break;
2808 case QEMU_OPTION_startdate:
2809 configure_rtc_date_offset(optarg, 1);
2810 break;
2811 case QEMU_OPTION_rtc:
2812 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2813 if (!opts) {
2814 exit(1);
2815 }
2816 configure_rtc(opts);
2817 break;
2818 case QEMU_OPTION_tb_size:
2819 tb_size = strtol(optarg, NULL, 0);
2820 if (tb_size < 0)
2821 tb_size = 0;
2822 break;
2823 case QEMU_OPTION_icount:
2824 icount_option = optarg;
2825 break;
2826 case QEMU_OPTION_incoming:
2827 incoming = optarg;
2828 incoming_expected = true;
2829 break;
2830 case QEMU_OPTION_nodefaults:
2831 default_serial = 0;
2832 default_parallel = 0;
2833 default_virtcon = 0;
2834 default_monitor = 0;
2835 default_vga = 0;
2836 default_net = 0;
2837 default_floppy = 0;
2838 default_cdrom = 0;
2839 default_sdcard = 0;
2840 break;
2841 case QEMU_OPTION_xen_domid:
2842 if (!(xen_available())) {
2843 printf("Option %s not supported for this target\n", popt->name);
2844 exit(1);
2845 }
2846 xen_domid = atoi(optarg);
2847 break;
2848 case QEMU_OPTION_xen_create:
2849 if (!(xen_available())) {
2850 printf("Option %s not supported for this target\n", popt->name);
2851 exit(1);
2852 }
2853 xen_mode = XEN_CREATE;
2854 break;
2855 case QEMU_OPTION_xen_attach:
2856 if (!(xen_available())) {
2857 printf("Option %s not supported for this target\n", popt->name);
2858 exit(1);
2859 }
2860 xen_mode = XEN_ATTACH;
2861 break;
2862 #ifdef CONFIG_SIMPLE_TRACE
2863 case QEMU_OPTION_trace:
2864 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2865 if (opts) {
2866 trace_file = qemu_opt_get(opts, "file");
2867 }
2868 break;
2869 #endif
2870 case QEMU_OPTION_readconfig:
2871 {
2872 int ret = qemu_read_config_file(optarg);
2873 if (ret < 0) {
2874 fprintf(stderr, "read config %s: %s\n", optarg,
2875 strerror(-ret));
2876 exit(1);
2877 }
2878 break;
2879 }
2880 case QEMU_OPTION_spice:
2881 olist = qemu_find_opts("spice");
2882 if (!olist) {
2883 fprintf(stderr, "spice is not supported by this qemu build.\n");
2884 exit(1);
2885 }
2886 opts = qemu_opts_parse(olist, optarg, 0);
2887 if (!opts) {
2888 fprintf(stderr, "parse error: %s\n", optarg);
2889 exit(1);
2890 }
2891 break;
2892 case QEMU_OPTION_writeconfig:
2893 {
2894 FILE *fp;
2895 if (strcmp(optarg, "-") == 0) {
2896 fp = stdout;
2897 } else {
2898 fp = fopen(optarg, "w");
2899 if (fp == NULL) {
2900 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2901 exit(1);
2902 }
2903 }
2904 qemu_config_write(fp);
2905 fclose(fp);
2906 break;
2907 }
2908 default:
2909 os_parse_cmd_args(popt->index, optarg);
2910 }
2911 }
2912 }
2913 loc_set_none();
2914
2915 /* Open the logfile at this point, if necessary. We can't open the logfile
2916 * when encountering either of the logging options (-d or -D) because the
2917 * other one may be encountered later on the command line, changing the
2918 * location or level of logging.
2919 */
2920 if (log_mask) {
2921 if (log_file) {
2922 set_cpu_log_filename(log_file);
2923 }
2924 set_cpu_log(log_mask);
2925 }
2926
2927 if (!st_init(trace_file)) {
2928 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2929 }
2930
2931 /* If no data_dir is specified then try to find it relative to the
2932 executable path. */
2933 if (!data_dir) {
2934 data_dir = os_find_datadir(argv[0]);
2935 }
2936 /* If all else fails use the install patch specified when building. */
2937 if (!data_dir) {
2938 data_dir = CONFIG_QEMU_DATADIR;
2939 }
2940
2941 /*
2942 * Default to max_cpus = smp_cpus, in case the user doesn't
2943 * specify a max_cpus value.
2944 */
2945 if (!max_cpus)
2946 max_cpus = smp_cpus;
2947
2948 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2949 if (smp_cpus > machine->max_cpus) {
2950 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2951 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2952 machine->max_cpus);
2953 exit(1);
2954 }
2955
2956 /*
2957 * Get the default machine options from the machine if it is not already
2958 * specified either by the configuration file or by the command line.
2959 */
2960 if (machine->default_machine_opts) {
2961 QemuOptsList *list = qemu_find_opts("machine");
2962 const char *p = NULL;
2963
2964 if (!QTAILQ_EMPTY(&list->head)) {
2965 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2966 }
2967 if (p == NULL) {
2968 opts = qemu_opts_parse(qemu_find_opts("machine"),
2969 machine->default_machine_opts, 0);
2970 if (!opts) {
2971 fprintf(stderr, "parse error for machine %s: %s\n",
2972 machine->name, machine->default_machine_opts);
2973 exit(1);
2974 }
2975 }
2976 }
2977
2978 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2979 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2980
2981 if (machine->no_serial) {
2982 default_serial = 0;
2983 }
2984 if (machine->no_parallel) {
2985 default_parallel = 0;
2986 }
2987 if (!machine->use_virtcon) {
2988 default_virtcon = 0;
2989 }
2990 if (machine->no_vga) {
2991 default_vga = 0;
2992 }
2993 if (machine->no_floppy) {
2994 default_floppy = 0;
2995 }
2996 if (machine->no_cdrom) {
2997 default_cdrom = 0;
2998 }
2999 if (machine->no_sdcard) {
3000 default_sdcard = 0;
3001 }
3002
3003 if (display_type == DT_NOGRAPHIC) {
3004 if (default_parallel)
3005 add_device_config(DEV_PARALLEL, "null");
3006 if (default_serial && default_monitor) {
3007 add_device_config(DEV_SERIAL, "mon:stdio");
3008 } else if (default_virtcon && default_monitor) {
3009 add_device_config(DEV_VIRTCON, "mon:stdio");
3010 } else {
3011 if (default_serial)
3012 add_device_config(DEV_SERIAL, "stdio");
3013 if (default_virtcon)
3014 add_device_config(DEV_VIRTCON, "stdio");
3015 if (default_monitor)
3016 monitor_parse("stdio", "readline");
3017 }
3018 } else {
3019 if (default_serial)
3020 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3021 if (default_parallel)
3022 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3023 if (default_monitor)
3024 monitor_parse("vc:80Cx24C", "readline");
3025 if (default_virtcon)
3026 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3027 }
3028 if (default_vga)
3029 vga_interface_type = VGA_CIRRUS;
3030
3031 socket_init();
3032
3033 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3034 exit(1);
3035 #ifdef CONFIG_VIRTFS
3036 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3037 exit(1);
3038 }
3039 #endif
3040
3041 os_daemonize();
3042
3043 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3044 os_pidfile_error();
3045 exit(1);
3046 }
3047
3048 configure_accelerator();
3049
3050 if (qemu_init_main_loop()) {
3051 fprintf(stderr, "qemu_init_main_loop failed\n");
3052 exit(1);
3053 }
3054 linux_boot = (kernel_filename != NULL);
3055
3056 if (!linux_boot && *kernel_cmdline != '\0') {
3057 fprintf(stderr, "-append only allowed with -kernel option\n");
3058 exit(1);
3059 }
3060
3061 if (!linux_boot && initrd_filename != NULL) {
3062 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3063 exit(1);
3064 }
3065
3066 os_set_line_buffering();
3067
3068 if (init_timer_alarm() < 0) {
3069 fprintf(stderr, "could not initialize alarm timer\n");
3070 exit(1);
3071 }
3072 configure_icount(icount_option);
3073
3074 if (net_init_clients() < 0) {
3075 exit(1);
3076 }
3077
3078 /* init the bluetooth world */
3079 if (foreach_device_config(DEV_BT, bt_parse))
3080 exit(1);
3081
3082 /* init the memory */
3083 if (ram_size == 0)
3084 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3085
3086 /* init the dynamic translator */
3087 cpu_exec_init_all(tb_size * 1024 * 1024);
3088
3089 bdrv_init_with_whitelist();
3090
3091 blk_mig_init();
3092
3093 /* open the virtual block devices */
3094 if (snapshot)
3095 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3096 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3097 exit(1);
3098
3099 default_drive(default_cdrom, snapshot, machine->use_scsi,
3100 IF_DEFAULT, 2, CDROM_OPTS);
3101 default_drive(default_floppy, snapshot, machine->use_scsi,
3102 IF_FLOPPY, 0, FD_OPTS);
3103 default_drive(default_sdcard, snapshot, machine->use_scsi,
3104 IF_SD, 0, SD_OPTS);
3105
3106 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3107 ram_load, NULL);
3108
3109 if (nb_numa_nodes > 0) {
3110 int i;
3111
3112 if (nb_numa_nodes > smp_cpus) {
3113 nb_numa_nodes = smp_cpus;
3114 }
3115
3116 /* If no memory size if given for any node, assume the default case
3117 * and distribute the available memory equally across all nodes
3118 */
3119 for (i = 0; i < nb_numa_nodes; i++) {
3120 if (node_mem[i] != 0)
3121 break;
3122 }
3123 if (i == nb_numa_nodes) {
3124 uint64_t usedmem = 0;
3125
3126 /* On Linux, the each node's border has to be 8MB aligned,
3127 * the final node gets the rest.
3128 */
3129 for (i = 0; i < nb_numa_nodes - 1; i++) {
3130 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3131 usedmem += node_mem[i];
3132 }
3133 node_mem[i] = ram_size - usedmem;
3134 }
3135
3136 for (i = 0; i < nb_numa_nodes; i++) {
3137 if (node_cpumask[i] != 0)
3138 break;
3139 }
3140 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3141 * must cope with this anyway, because there are BIOSes out there in
3142 * real machines which also use this scheme.
3143 */
3144 if (i == nb_numa_nodes) {
3145 for (i = 0; i < smp_cpus; i++) {
3146 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3147 }
3148 }
3149 }
3150
3151 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3152 exit(1);
3153 }
3154
3155 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3156 exit(1);
3157 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3158 exit(1);
3159 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3160 exit(1);
3161 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3162 exit(1);
3163
3164 module_call_init(MODULE_INIT_DEVICE);
3165
3166 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3167 exit(0);
3168
3169 if (watchdog) {
3170 i = select_watchdog(watchdog);
3171 if (i > 0)
3172 exit (i == 1 ? 1 : 0);
3173 }
3174
3175 if (machine->compat_props) {
3176 qdev_prop_register_global_list(machine->compat_props);
3177 }
3178 qemu_add_globals();
3179
3180 machine->init(ram_size, boot_devices,
3181 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3182
3183 cpu_synchronize_all_post_init();
3184
3185 set_numa_modes();
3186
3187 current_machine = machine;
3188
3189 /* init USB devices */
3190 if (usb_enabled) {
3191 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3192 exit(1);
3193 }
3194
3195 /* init generic devices */
3196 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3197 exit(1);
3198
3199 net_check_clients();
3200
3201 /* just use the first displaystate for the moment */
3202 ds = get_displaystate();
3203
3204 if (using_spice)
3205 display_remote++;
3206 if (display_type == DT_DEFAULT && !display_remote) {
3207 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3208 display_type = DT_SDL;
3209 #elif defined(CONFIG_VNC)
3210 vnc_display = "localhost:0,to=99";
3211 show_vnc_port = 1;
3212 #else
3213 display_type = DT_NONE;
3214 #endif
3215 }
3216
3217
3218 /* init local displays */
3219 switch (display_type) {
3220 case DT_NOGRAPHIC:
3221 break;
3222 #if defined(CONFIG_CURSES)
3223 case DT_CURSES:
3224 curses_display_init(ds, full_screen);
3225 break;
3226 #endif
3227 #if defined(CONFIG_SDL)
3228 case DT_SDL:
3229 sdl_display_init(ds, full_screen, no_frame);
3230 break;
3231 #elif defined(CONFIG_COCOA)
3232 case DT_SDL:
3233 cocoa_display_init(ds, full_screen);
3234 break;
3235 #endif
3236 default:
3237 break;
3238 }
3239
3240 /* must be after terminal init, SDL library changes signal handlers */
3241 os_setup_signal_handling();
3242
3243 #ifdef CONFIG_VNC
3244 /* init remote displays */
3245 if (vnc_display) {
3246 vnc_display_init(ds);
3247 if (vnc_display_open(ds, vnc_display) < 0)
3248 exit(1);
3249
3250 if (show_vnc_port) {
3251 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3252 }
3253 }
3254 #endif
3255 #ifdef CONFIG_SPICE
3256 if (using_spice && !qxl_enabled) {
3257 qemu_spice_display_init(ds);
3258 }
3259 #endif
3260
3261 /* display setup */
3262 dpy_resize(ds);
3263 dcl = ds->listeners;
3264 while (dcl != NULL) {
3265 if (dcl->dpy_refresh != NULL) {
3266 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3267 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3268 break;
3269 }
3270 dcl = dcl->next;
3271 }
3272 if (ds->gui_timer == NULL) {
3273 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3274 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3275 }
3276 text_consoles_set_display(ds);
3277
3278 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3279 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3280 gdbstub_dev);
3281 exit(1);
3282 }
3283
3284 qdev_machine_creation_done();
3285
3286 if (rom_load_all() != 0) {
3287 fprintf(stderr, "rom loading failed\n");
3288 exit(1);
3289 }
3290
3291 /* TODO: once all bus devices are qdevified, this should be done
3292 * when bus is created by qdev.c */
3293 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3294 qemu_run_machine_init_done_notifiers();
3295
3296 qemu_system_reset();
3297 if (loadvm) {
3298 if (load_vmstate(loadvm) < 0) {
3299 autostart = 0;
3300 }
3301 }
3302
3303 if (incoming) {
3304 int ret = qemu_start_incoming_migration(incoming);
3305 if (ret < 0) {
3306 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3307 incoming, ret);
3308 exit(ret);
3309 }
3310 } else if (autostart) {
3311 vm_start();
3312 }
3313
3314 os_setup_post();
3315
3316 main_loop();
3317 quit_timers();
3318 net_cleanup();
3319
3320 return 0;
3321 }
QEmu