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guest agent: add --enable-guest-agent config option
[qemu.git] / vl.c
blob426cea7c37e2e069cc391e44696a950b84b07531
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 uint8_t *boot_splash_filedata;
232 int boot_splash_filedata_size;
233 uint8_t qemu_extra_params_fw[2];
234
235 typedef struct FWBootEntry FWBootEntry;
236
237 struct FWBootEntry {
238 QTAILQ_ENTRY(FWBootEntry) link;
239 int32_t bootindex;
240 DeviceState *dev;
241 char *suffix;
242 };
243
244 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
245
246 int nb_numa_nodes;
247 uint64_t node_mem[MAX_NODES];
248 uint64_t node_cpumask[MAX_NODES];
249
250 static QEMUTimer *nographic_timer;
251
252 uint8_t qemu_uuid[16];
253
254 static QEMUBootSetHandler *boot_set_handler;
255 static void *boot_set_opaque;
256
257 static NotifierList exit_notifiers =
258 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
259
260 static NotifierList machine_init_done_notifiers =
261 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
262
263 static int tcg_allowed = 1;
264 int kvm_allowed = 0;
265 int xen_allowed = 0;
266 uint32_t xen_domid;
267 enum xen_mode xen_mode = XEN_EMULATE;
268
269 static int default_serial = 1;
270 static int default_parallel = 1;
271 static int default_virtcon = 1;
272 static int default_monitor = 1;
273 static int default_vga = 1;
274 static int default_floppy = 1;
275 static int default_cdrom = 1;
276 static int default_sdcard = 1;
277
278 static struct {
279 const char *driver;
280 int *flag;
281 } default_list[] = {
282 { .driver = "isa-serial", .flag = &default_serial },
283 { .driver = "isa-parallel", .flag = &default_parallel },
284 { .driver = "isa-fdc", .flag = &default_floppy },
285 { .driver = "ide-cd", .flag = &default_cdrom },
286 { .driver = "ide-hd", .flag = &default_cdrom },
287 { .driver = "ide-drive", .flag = &default_cdrom },
288 { .driver = "scsi-cd", .flag = &default_cdrom },
289 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
290 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
291 { .driver = "virtio-serial", .flag = &default_virtcon },
292 { .driver = "VGA", .flag = &default_vga },
293 { .driver = "cirrus-vga", .flag = &default_vga },
294 { .driver = "vmware-svga", .flag = &default_vga },
295 { .driver = "isa-vga", .flag = &default_vga },
296 { .driver = "qxl-vga", .flag = &default_vga },
297 };
298
299 static void res_free(void)
300 {
301 if (boot_splash_filedata != NULL) {
302 qemu_free(boot_splash_filedata);
303 boot_splash_filedata = NULL;
304 }
305 }
306
307 static int default_driver_check(QemuOpts *opts, void *opaque)
308 {
309 const char *driver = qemu_opt_get(opts, "driver");
310 int i;
311
312 if (!driver)
313 return 0;
314 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
315 if (strcmp(default_list[i].driver, driver) != 0)
316 continue;
317 *(default_list[i].flag) = 0;
318 }
319 return 0;
320 }
321
322 /***********************************************************/
323 /* real time host monotonic timer */
324
325 /***********************************************************/
326 /* host time/date access */
327 void qemu_get_timedate(struct tm *tm, int offset)
328 {
329 time_t ti;
330 struct tm *ret;
331
332 time(&ti);
333 ti += offset;
334 if (rtc_date_offset == -1) {
335 if (rtc_utc)
336 ret = gmtime(&ti);
337 else
338 ret = localtime(&ti);
339 } else {
340 ti -= rtc_date_offset;
341 ret = gmtime(&ti);
342 }
343
344 memcpy(tm, ret, sizeof(struct tm));
345 }
346
347 int qemu_timedate_diff(struct tm *tm)
348 {
349 time_t seconds;
350
351 if (rtc_date_offset == -1)
352 if (rtc_utc)
353 seconds = mktimegm(tm);
354 else
355 seconds = mktime(tm);
356 else
357 seconds = mktimegm(tm) + rtc_date_offset;
358
359 return seconds - time(NULL);
360 }
361
362 void rtc_change_mon_event(struct tm *tm)
363 {
364 QObject *data;
365
366 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
367 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
368 qobject_decref(data);
369 }
370
371 static void configure_rtc_date_offset(const char *startdate, int legacy)
372 {
373 time_t rtc_start_date;
374 struct tm tm;
375
376 if (!strcmp(startdate, "now") && legacy) {
377 rtc_date_offset = -1;
378 } else {
379 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
380 &tm.tm_year,
381 &tm.tm_mon,
382 &tm.tm_mday,
383 &tm.tm_hour,
384 &tm.tm_min,
385 &tm.tm_sec) == 6) {
386 /* OK */
387 } else if (sscanf(startdate, "%d-%d-%d",
388 &tm.tm_year,
389 &tm.tm_mon,
390 &tm.tm_mday) == 3) {
391 tm.tm_hour = 0;
392 tm.tm_min = 0;
393 tm.tm_sec = 0;
394 } else {
395 goto date_fail;
396 }
397 tm.tm_year -= 1900;
398 tm.tm_mon--;
399 rtc_start_date = mktimegm(&tm);
400 if (rtc_start_date == -1) {
401 date_fail:
402 fprintf(stderr, "Invalid date format. Valid formats are:\n"
403 "'2006-06-17T16:01:21' or '2006-06-17'\n");
404 exit(1);
405 }
406 rtc_date_offset = time(NULL) - rtc_start_date;
407 }
408 }
409
410 static void configure_rtc(QemuOpts *opts)
411 {
412 const char *value;
413
414 value = qemu_opt_get(opts, "base");
415 if (value) {
416 if (!strcmp(value, "utc")) {
417 rtc_utc = 1;
418 } else if (!strcmp(value, "localtime")) {
419 rtc_utc = 0;
420 } else {
421 configure_rtc_date_offset(value, 0);
422 }
423 }
424 value = qemu_opt_get(opts, "clock");
425 if (value) {
426 if (!strcmp(value, "host")) {
427 rtc_clock = host_clock;
428 } else if (!strcmp(value, "vm")) {
429 rtc_clock = vm_clock;
430 } else {
431 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
432 exit(1);
433 }
434 }
435 value = qemu_opt_get(opts, "driftfix");
436 if (value) {
437 if (!strcmp(value, "slew")) {
438 rtc_td_hack = 1;
439 } else if (!strcmp(value, "none")) {
440 rtc_td_hack = 0;
441 } else {
442 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
443 exit(1);
444 }
445 }
446 }
447
448 /***********************************************************/
449 /* Bluetooth support */
450 static int nb_hcis;
451 static int cur_hci;
452 static struct HCIInfo *hci_table[MAX_NICS];
453
454 static struct bt_vlan_s {
455 struct bt_scatternet_s net;
456 int id;
457 struct bt_vlan_s *next;
458 } *first_bt_vlan;
459
460 /* find or alloc a new bluetooth "VLAN" */
461 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
462 {
463 struct bt_vlan_s **pvlan, *vlan;
464 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
465 if (vlan->id == id)
466 return &vlan->net;
467 }
468 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
469 vlan->id = id;
470 pvlan = &first_bt_vlan;
471 while (*pvlan != NULL)
472 pvlan = &(*pvlan)->next;
473 *pvlan = vlan;
474 return &vlan->net;
475 }
476
477 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
478 {
479 }
480
481 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
482 {
483 return -ENOTSUP;
484 }
485
486 static struct HCIInfo null_hci = {
487 .cmd_send = null_hci_send,
488 .sco_send = null_hci_send,
489 .acl_send = null_hci_send,
490 .bdaddr_set = null_hci_addr_set,
491 };
492
493 struct HCIInfo *qemu_next_hci(void)
494 {
495 if (cur_hci == nb_hcis)
496 return &null_hci;
497
498 return hci_table[cur_hci++];
499 }
500
501 static struct HCIInfo *hci_init(const char *str)
502 {
503 char *endp;
504 struct bt_scatternet_s *vlan = 0;
505
506 if (!strcmp(str, "null"))
507 /* null */
508 return &null_hci;
509 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
510 /* host[:hciN] */
511 return bt_host_hci(str[4] ? str + 5 : "hci0");
512 else if (!strncmp(str, "hci", 3)) {
513 /* hci[,vlan=n] */
514 if (str[3]) {
515 if (!strncmp(str + 3, ",vlan=", 6)) {
516 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
517 if (*endp)
518 vlan = 0;
519 }
520 } else
521 vlan = qemu_find_bt_vlan(0);
522 if (vlan)
523 return bt_new_hci(vlan);
524 }
525
526 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
527
528 return 0;
529 }
530
531 static int bt_hci_parse(const char *str)
532 {
533 struct HCIInfo *hci;
534 bdaddr_t bdaddr;
535
536 if (nb_hcis >= MAX_NICS) {
537 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
538 return -1;
539 }
540
541 hci = hci_init(str);
542 if (!hci)
543 return -1;
544
545 bdaddr.b[0] = 0x52;
546 bdaddr.b[1] = 0x54;
547 bdaddr.b[2] = 0x00;
548 bdaddr.b[3] = 0x12;
549 bdaddr.b[4] = 0x34;
550 bdaddr.b[5] = 0x56 + nb_hcis;
551 hci->bdaddr_set(hci, bdaddr.b);
552
553 hci_table[nb_hcis++] = hci;
554
555 return 0;
556 }
557
558 static void bt_vhci_add(int vlan_id)
559 {
560 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
561
562 if (!vlan->slave)
563 fprintf(stderr, "qemu: warning: adding a VHCI to "
564 "an empty scatternet %i\n", vlan_id);
565
566 bt_vhci_init(bt_new_hci(vlan));
567 }
568
569 static struct bt_device_s *bt_device_add(const char *opt)
570 {
571 struct bt_scatternet_s *vlan;
572 int vlan_id = 0;
573 char *endp = strstr(opt, ",vlan=");
574 int len = (endp ? endp - opt : strlen(opt)) + 1;
575 char devname[10];
576
577 pstrcpy(devname, MIN(sizeof(devname), len), opt);
578
579 if (endp) {
580 vlan_id = strtol(endp + 6, &endp, 0);
581 if (*endp) {
582 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
583 return 0;
584 }
585 }
586
587 vlan = qemu_find_bt_vlan(vlan_id);
588
589 if (!vlan->slave)
590 fprintf(stderr, "qemu: warning: adding a slave device to "
591 "an empty scatternet %i\n", vlan_id);
592
593 if (!strcmp(devname, "keyboard"))
594 return bt_keyboard_init(vlan);
595
596 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
597 return 0;
598 }
599
600 static int bt_parse(const char *opt)
601 {
602 const char *endp, *p;
603 int vlan;
604
605 if (strstart(opt, "hci", &endp)) {
606 if (!*endp || *endp == ',') {
607 if (*endp)
608 if (!strstart(endp, ",vlan=", 0))
609 opt = endp + 1;
610
611 return bt_hci_parse(opt);
612 }
613 } else if (strstart(opt, "vhci", &endp)) {
614 if (!*endp || *endp == ',') {
615 if (*endp) {
616 if (strstart(endp, ",vlan=", &p)) {
617 vlan = strtol(p, (char **) &endp, 0);
618 if (*endp) {
619 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
620 return 1;
621 }
622 } else {
623 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
624 return 1;
625 }
626 } else
627 vlan = 0;
628
629 bt_vhci_add(vlan);
630 return 0;
631 }
632 } else if (strstart(opt, "device:", &endp))
633 return !bt_device_add(endp);
634
635 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
636 return 1;
637 }
638
639 /***********************************************************/
640 /* QEMU Block devices */
641
642 #define HD_OPTS "media=disk"
643 #define CDROM_OPTS "media=cdrom"
644 #define FD_OPTS ""
645 #define PFLASH_OPTS ""
646 #define MTD_OPTS ""
647 #define SD_OPTS ""
648
649 static int drive_init_func(QemuOpts *opts, void *opaque)
650 {
651 int *use_scsi = opaque;
652
653 return drive_init(opts, *use_scsi) == NULL;
654 }
655
656 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
657 {
658 if (NULL == qemu_opt_get(opts, "snapshot")) {
659 qemu_opt_set(opts, "snapshot", "on");
660 }
661 return 0;
662 }
663
664 static void default_drive(int enable, int snapshot, int use_scsi,
665 BlockInterfaceType type, int index,
666 const char *optstr)
667 {
668 QemuOpts *opts;
669
670 if (type == IF_DEFAULT) {
671 type = use_scsi ? IF_SCSI : IF_IDE;
672 }
673
674 if (!enable || drive_get_by_index(type, index)) {
675 return;
676 }
677
678 opts = drive_add(type, index, NULL, optstr);
679 if (snapshot) {
680 drive_enable_snapshot(opts, NULL);
681 }
682 if (!drive_init(opts, use_scsi)) {
683 exit(1);
684 }
685 }
686
687 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
688 {
689 boot_set_handler = func;
690 boot_set_opaque = opaque;
691 }
692
693 int qemu_boot_set(const char *boot_devices)
694 {
695 if (!boot_set_handler) {
696 return -EINVAL;
697 }
698 return boot_set_handler(boot_set_opaque, boot_devices);
699 }
700
701 static void validate_bootdevices(char *devices)
702 {
703 /* We just do some generic consistency checks */
704 const char *p;
705 int bitmap = 0;
706
707 for (p = devices; *p != '\0'; p++) {
708 /* Allowed boot devices are:
709 * a-b: floppy disk drives
710 * c-f: IDE disk drives
711 * g-m: machine implementation dependant drives
712 * n-p: network devices
713 * It's up to each machine implementation to check if the given boot
714 * devices match the actual hardware implementation and firmware
715 * features.
716 */
717 if (*p < 'a' || *p > 'p') {
718 fprintf(stderr, "Invalid boot device '%c'\n", *p);
719 exit(1);
720 }
721 if (bitmap & (1 << (*p - 'a'))) {
722 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
723 exit(1);
724 }
725 bitmap |= 1 << (*p - 'a');
726 }
727 }
728
729 static void restore_boot_devices(void *opaque)
730 {
731 char *standard_boot_devices = opaque;
732 static int first = 1;
733
734 /* Restore boot order and remove ourselves after the first boot */
735 if (first) {
736 first = 0;
737 return;
738 }
739
740 qemu_boot_set(standard_boot_devices);
741
742 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
743 qemu_free(standard_boot_devices);
744 }
745
746 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
747 const char *suffix)
748 {
749 FWBootEntry *node, *i;
750
751 if (bootindex < 0) {
752 return;
753 }
754
755 assert(dev != NULL || suffix != NULL);
756
757 node = qemu_mallocz(sizeof(FWBootEntry));
758 node->bootindex = bootindex;
759 node->suffix = suffix ? qemu_strdup(suffix) : NULL;
760 node->dev = dev;
761
762 QTAILQ_FOREACH(i, &fw_boot_order, link) {
763 if (i->bootindex == bootindex) {
764 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
765 exit(1);
766 } else if (i->bootindex < bootindex) {
767 continue;
768 }
769 QTAILQ_INSERT_BEFORE(i, node, link);
770 return;
771 }
772 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
773 }
774
775 /*
776 * This function returns null terminated string that consist of new line
777 * separated device paths.
778 *
779 * memory pointed by "size" is assigned total length of the array in bytes
780 *
781 */
782 char *get_boot_devices_list(uint32_t *size)
783 {
784 FWBootEntry *i;
785 uint32_t total = 0;
786 char *list = NULL;
787
788 QTAILQ_FOREACH(i, &fw_boot_order, link) {
789 char *devpath = NULL, *bootpath;
790 int len;
791
792 if (i->dev) {
793 devpath = qdev_get_fw_dev_path(i->dev);
794 assert(devpath);
795 }
796
797 if (i->suffix && devpath) {
798 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
799
800 bootpath = qemu_malloc(bootpathlen);
801 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
802 qemu_free(devpath);
803 } else if (devpath) {
804 bootpath = devpath;
805 } else {
806 bootpath = qemu_strdup(i->suffix);
807 assert(bootpath);
808 }
809
810 if (total) {
811 list[total-1] = '\n';
812 }
813 len = strlen(bootpath) + 1;
814 list = qemu_realloc(list, total + len);
815 memcpy(&list[total], bootpath, len);
816 total += len;
817 qemu_free(bootpath);
818 }
819
820 *size = total;
821
822 return list;
823 }
824
825 static void numa_add(const char *optarg)
826 {
827 char option[128];
828 char *endptr;
829 unsigned long long value, endvalue;
830 int nodenr;
831
832 optarg = get_opt_name(option, 128, optarg, ',') + 1;
833 if (!strcmp(option, "node")) {
834 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
835 nodenr = nb_numa_nodes;
836 } else {
837 nodenr = strtoull(option, NULL, 10);
838 }
839
840 if (get_param_value(option, 128, "mem", optarg) == 0) {
841 node_mem[nodenr] = 0;
842 } else {
843 int64_t sval;
844 sval = strtosz(option, NULL);
845 if (sval < 0) {
846 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
847 exit(1);
848 }
849 node_mem[nodenr] = sval;
850 }
851 if (get_param_value(option, 128, "cpus", optarg) == 0) {
852 node_cpumask[nodenr] = 0;
853 } else {
854 value = strtoull(option, &endptr, 10);
855 if (value >= 64) {
856 value = 63;
857 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
858 } else {
859 if (*endptr == '-') {
860 endvalue = strtoull(endptr+1, &endptr, 10);
861 if (endvalue >= 63) {
862 endvalue = 62;
863 fprintf(stderr,
864 "only 63 CPUs in NUMA mode supported.\n");
865 }
866 value = (2ULL << endvalue) - (1ULL << value);
867 } else {
868 value = 1ULL << value;
869 }
870 }
871 node_cpumask[nodenr] = value;
872 }
873 nb_numa_nodes++;
874 }
875 return;
876 }
877
878 static void smp_parse(const char *optarg)
879 {
880 int smp, sockets = 0, threads = 0, cores = 0;
881 char *endptr;
882 char option[128];
883
884 smp = strtoul(optarg, &endptr, 10);
885 if (endptr != optarg) {
886 if (*endptr == ',') {
887 endptr++;
888 }
889 }
890 if (get_param_value(option, 128, "sockets", endptr) != 0)
891 sockets = strtoull(option, NULL, 10);
892 if (get_param_value(option, 128, "cores", endptr) != 0)
893 cores = strtoull(option, NULL, 10);
894 if (get_param_value(option, 128, "threads", endptr) != 0)
895 threads = strtoull(option, NULL, 10);
896 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
897 max_cpus = strtoull(option, NULL, 10);
898
899 /* compute missing values, prefer sockets over cores over threads */
900 if (smp == 0 || sockets == 0) {
901 sockets = sockets > 0 ? sockets : 1;
902 cores = cores > 0 ? cores : 1;
903 threads = threads > 0 ? threads : 1;
904 if (smp == 0) {
905 smp = cores * threads * sockets;
906 }
907 } else {
908 if (cores == 0) {
909 threads = threads > 0 ? threads : 1;
910 cores = smp / (sockets * threads);
911 } else {
912 threads = smp / (cores * sockets);
913 }
914 }
915 smp_cpus = smp;
916 smp_cores = cores > 0 ? cores : 1;
917 smp_threads = threads > 0 ? threads : 1;
918 if (max_cpus == 0)
919 max_cpus = smp_cpus;
920 }
921
922 /***********************************************************/
923 /* USB devices */
924
925 static int usb_device_add(const char *devname)
926 {
927 const char *p;
928 USBDevice *dev = NULL;
929
930 if (!usb_enabled)
931 return -1;
932
933 /* drivers with .usbdevice_name entry in USBDeviceInfo */
934 dev = usbdevice_create(devname);
935 if (dev)
936 goto done;
937
938 /* the other ones */
939 #ifndef CONFIG_LINUX
940 /* only the linux version is qdev-ified, usb-bsd still needs this */
941 if (strstart(devname, "host:", &p)) {
942 dev = usb_host_device_open(p);
943 } else
944 #endif
945 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
946 dev = usb_bt_init(devname[2] ? hci_init(p) :
947 bt_new_hci(qemu_find_bt_vlan(0)));
948 } else {
949 return -1;
950 }
951 if (!dev)
952 return -1;
953
954 done:
955 return 0;
956 }
957
958 static int usb_device_del(const char *devname)
959 {
960 int bus_num, addr;
961 const char *p;
962
963 if (strstart(devname, "host:", &p))
964 return usb_host_device_close(p);
965
966 if (!usb_enabled)
967 return -1;
968
969 p = strchr(devname, '.');
970 if (!p)
971 return -1;
972 bus_num = strtoul(devname, NULL, 0);
973 addr = strtoul(p + 1, NULL, 0);
974
975 return usb_device_delete_addr(bus_num, addr);
976 }
977
978 static int usb_parse(const char *cmdline)
979 {
980 int r;
981 r = usb_device_add(cmdline);
982 if (r < 0) {
983 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
984 }
985 return r;
986 }
987
988 void do_usb_add(Monitor *mon, const QDict *qdict)
989 {
990 const char *devname = qdict_get_str(qdict, "devname");
991 if (usb_device_add(devname) < 0) {
992 error_report("could not add USB device '%s'", devname);
993 }
994 }
995
996 void do_usb_del(Monitor *mon, const QDict *qdict)
997 {
998 const char *devname = qdict_get_str(qdict, "devname");
999 if (usb_device_del(devname) < 0) {
1000 error_report("could not delete USB device '%s'", devname);
1001 }
1002 }
1003
1004 /***********************************************************/
1005 /* PCMCIA/Cardbus */
1006
1007 static struct pcmcia_socket_entry_s {
1008 PCMCIASocket *socket;
1009 struct pcmcia_socket_entry_s *next;
1010 } *pcmcia_sockets = 0;
1011
1012 void pcmcia_socket_register(PCMCIASocket *socket)
1013 {
1014 struct pcmcia_socket_entry_s *entry;
1015
1016 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1017 entry->socket = socket;
1018 entry->next = pcmcia_sockets;
1019 pcmcia_sockets = entry;
1020 }
1021
1022 void pcmcia_socket_unregister(PCMCIASocket *socket)
1023 {
1024 struct pcmcia_socket_entry_s *entry, **ptr;
1025
1026 ptr = &pcmcia_sockets;
1027 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1028 if (entry->socket == socket) {
1029 *ptr = entry->next;
1030 qemu_free(entry);
1031 }
1032 }
1033
1034 void pcmcia_info(Monitor *mon)
1035 {
1036 struct pcmcia_socket_entry_s *iter;
1037
1038 if (!pcmcia_sockets)
1039 monitor_printf(mon, "No PCMCIA sockets\n");
1040
1041 for (iter = pcmcia_sockets; iter; iter = iter->next)
1042 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1043 iter->socket->attached ? iter->socket->card_string :
1044 "Empty");
1045 }
1046
1047 /***********************************************************/
1048 /* machine registration */
1049
1050 static QEMUMachine *first_machine = NULL;
1051 QEMUMachine *current_machine = NULL;
1052
1053 int qemu_register_machine(QEMUMachine *m)
1054 {
1055 QEMUMachine **pm;
1056 pm = &first_machine;
1057 while (*pm != NULL)
1058 pm = &(*pm)->next;
1059 m->next = NULL;
1060 *pm = m;
1061 return 0;
1062 }
1063
1064 static QEMUMachine *find_machine(const char *name)
1065 {
1066 QEMUMachine *m;
1067
1068 for(m = first_machine; m != NULL; m = m->next) {
1069 if (!strcmp(m->name, name))
1070 return m;
1071 if (m->alias && !strcmp(m->alias, name))
1072 return m;
1073 }
1074 return NULL;
1075 }
1076
1077 static QEMUMachine *find_default_machine(void)
1078 {
1079 QEMUMachine *m;
1080
1081 for(m = first_machine; m != NULL; m = m->next) {
1082 if (m->is_default) {
1083 return m;
1084 }
1085 }
1086 return NULL;
1087 }
1088
1089 /***********************************************************/
1090 /* main execution loop */
1091
1092 static void gui_update(void *opaque)
1093 {
1094 uint64_t interval = GUI_REFRESH_INTERVAL;
1095 DisplayState *ds = opaque;
1096 DisplayChangeListener *dcl = ds->listeners;
1097
1098 qemu_flush_coalesced_mmio_buffer();
1099 dpy_refresh(ds);
1100
1101 while (dcl != NULL) {
1102 if (dcl->gui_timer_interval &&
1103 dcl->gui_timer_interval < interval)
1104 interval = dcl->gui_timer_interval;
1105 dcl = dcl->next;
1106 }
1107 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1108 }
1109
1110 static void nographic_update(void *opaque)
1111 {
1112 uint64_t interval = GUI_REFRESH_INTERVAL;
1113
1114 qemu_flush_coalesced_mmio_buffer();
1115 qemu_mod_timer(nographic_timer, interval + qemu_get_clock_ms(rt_clock));
1116 }
1117
1118 struct vm_change_state_entry {
1119 VMChangeStateHandler *cb;
1120 void *opaque;
1121 QLIST_ENTRY (vm_change_state_entry) entries;
1122 };
1123
1124 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1125
1126 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1127 void *opaque)
1128 {
1129 VMChangeStateEntry *e;
1130
1131 e = qemu_mallocz(sizeof (*e));
1132
1133 e->cb = cb;
1134 e->opaque = opaque;
1135 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1136 return e;
1137 }
1138
1139 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1140 {
1141 QLIST_REMOVE (e, entries);
1142 qemu_free (e);
1143 }
1144
1145 void vm_state_notify(int running, int reason)
1146 {
1147 VMChangeStateEntry *e;
1148
1149 trace_vm_state_notify(running, reason);
1150
1151 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1152 e->cb(e->opaque, running, reason);
1153 }
1154 }
1155
1156 void vm_start(void)
1157 {
1158 if (!vm_running) {
1159 cpu_enable_ticks();
1160 vm_running = 1;
1161 vm_state_notify(1, 0);
1162 resume_all_vcpus();
1163 monitor_protocol_event(QEVENT_RESUME, NULL);
1164 }
1165 }
1166
1167 /* reset/shutdown handler */
1168
1169 typedef struct QEMUResetEntry {
1170 QTAILQ_ENTRY(QEMUResetEntry) entry;
1171 QEMUResetHandler *func;
1172 void *opaque;
1173 } QEMUResetEntry;
1174
1175 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1176 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1177 static int reset_requested;
1178 static int shutdown_requested, shutdown_signal = -1;
1179 static pid_t shutdown_pid;
1180 static int powerdown_requested;
1181 static int debug_requested;
1182 static int vmstop_requested;
1183
1184 int qemu_shutdown_requested_get(void)
1185 {
1186 return shutdown_requested;
1187 }
1188
1189 int qemu_reset_requested_get(void)
1190 {
1191 return reset_requested;
1192 }
1193
1194 int qemu_shutdown_requested(void)
1195 {
1196 int r = shutdown_requested;
1197 shutdown_requested = 0;
1198 return r;
1199 }
1200
1201 void qemu_kill_report(void)
1202 {
1203 if (shutdown_signal != -1) {
1204 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1205 if (shutdown_pid == 0) {
1206 /* This happens for eg ^C at the terminal, so it's worth
1207 * avoiding printing an odd message in that case.
1208 */
1209 fputc('\n', stderr);
1210 } else {
1211 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1212 }
1213 shutdown_signal = -1;
1214 }
1215 }
1216
1217 int qemu_reset_requested(void)
1218 {
1219 int r = reset_requested;
1220 reset_requested = 0;
1221 return r;
1222 }
1223
1224 int qemu_powerdown_requested(void)
1225 {
1226 int r = powerdown_requested;
1227 powerdown_requested = 0;
1228 return r;
1229 }
1230
1231 static int qemu_debug_requested(void)
1232 {
1233 int r = debug_requested;
1234 debug_requested = 0;
1235 return r;
1236 }
1237
1238 static int qemu_vmstop_requested(void)
1239 {
1240 int r = vmstop_requested;
1241 vmstop_requested = 0;
1242 return r;
1243 }
1244
1245 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1246 {
1247 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1248
1249 re->func = func;
1250 re->opaque = opaque;
1251 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1252 }
1253
1254 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1255 {
1256 QEMUResetEntry *re;
1257
1258 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1259 if (re->func == func && re->opaque == opaque) {
1260 QTAILQ_REMOVE(&reset_handlers, re, entry);
1261 qemu_free(re);
1262 return;
1263 }
1264 }
1265 }
1266
1267 void qemu_system_reset(bool report)
1268 {
1269 QEMUResetEntry *re, *nre;
1270
1271 /* reset all devices */
1272 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1273 re->func(re->opaque);
1274 }
1275 if (report) {
1276 monitor_protocol_event(QEVENT_RESET, NULL);
1277 }
1278 cpu_synchronize_all_post_reset();
1279 }
1280
1281 void qemu_system_reset_request(void)
1282 {
1283 if (no_reboot) {
1284 shutdown_requested = 1;
1285 } else {
1286 reset_requested = 1;
1287 }
1288 cpu_stop_current();
1289 qemu_notify_event();
1290 }
1291
1292 void qemu_system_killed(int signal, pid_t pid)
1293 {
1294 shutdown_signal = signal;
1295 shutdown_pid = pid;
1296 qemu_system_shutdown_request();
1297 }
1298
1299 void qemu_system_shutdown_request(void)
1300 {
1301 shutdown_requested = 1;
1302 qemu_notify_event();
1303 }
1304
1305 void qemu_system_powerdown_request(void)
1306 {
1307 powerdown_requested = 1;
1308 qemu_notify_event();
1309 }
1310
1311 void qemu_system_debug_request(void)
1312 {
1313 debug_requested = 1;
1314 qemu_notify_event();
1315 }
1316
1317 void qemu_system_vmstop_request(int reason)
1318 {
1319 vmstop_requested = reason;
1320 qemu_notify_event();
1321 }
1322
1323 void main_loop_wait(int nonblocking)
1324 {
1325 fd_set rfds, wfds, xfds;
1326 int ret, nfds;
1327 struct timeval tv;
1328 int timeout;
1329
1330 if (nonblocking)
1331 timeout = 0;
1332 else {
1333 timeout = qemu_calculate_timeout();
1334 qemu_bh_update_timeout(&timeout);
1335 }
1336
1337 os_host_main_loop_wait(&timeout);
1338
1339 tv.tv_sec = timeout / 1000;
1340 tv.tv_usec = (timeout % 1000) * 1000;
1341
1342 /* poll any events */
1343 /* XXX: separate device handlers from system ones */
1344 nfds = -1;
1345 FD_ZERO(&rfds);
1346 FD_ZERO(&wfds);
1347 FD_ZERO(&xfds);
1348 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1349 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1350
1351 qemu_mutex_unlock_iothread();
1352 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1353 qemu_mutex_lock_iothread();
1354
1355 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1356 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1357
1358 qemu_run_all_timers();
1359
1360 /* Check bottom-halves last in case any of the earlier events triggered
1361 them. */
1362 qemu_bh_poll();
1363
1364 }
1365
1366 #ifndef CONFIG_IOTHREAD
1367 static int vm_request_pending(void)
1368 {
1369 return powerdown_requested ||
1370 reset_requested ||
1371 shutdown_requested ||
1372 debug_requested ||
1373 vmstop_requested;
1374 }
1375 #endif
1376
1377 qemu_irq qemu_system_powerdown;
1378
1379 static void main_loop(void)
1380 {
1381 bool nonblocking = false;
1382 #ifdef CONFIG_PROFILER
1383 int64_t ti;
1384 #endif
1385 int r;
1386
1387 qemu_main_loop_start();
1388
1389 for (;;) {
1390 #ifndef CONFIG_IOTHREAD
1391 nonblocking = cpu_exec_all();
1392 if (vm_request_pending()) {
1393 nonblocking = true;
1394 }
1395 #endif
1396 #ifdef CONFIG_PROFILER
1397 ti = profile_getclock();
1398 #endif
1399 main_loop_wait(nonblocking);
1400 #ifdef CONFIG_PROFILER
1401 dev_time += profile_getclock() - ti;
1402 #endif
1403
1404 if (qemu_debug_requested()) {
1405 vm_stop(VMSTOP_DEBUG);
1406 }
1407 if (qemu_shutdown_requested()) {
1408 qemu_kill_report();
1409 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1410 if (no_shutdown) {
1411 vm_stop(VMSTOP_SHUTDOWN);
1412 } else
1413 break;
1414 }
1415 if (qemu_reset_requested()) {
1416 pause_all_vcpus();
1417 cpu_synchronize_all_states();
1418 qemu_system_reset(VMRESET_REPORT);
1419 resume_all_vcpus();
1420 }
1421 if (qemu_powerdown_requested()) {
1422 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1423 qemu_irq_raise(qemu_system_powerdown);
1424 }
1425 if ((r = qemu_vmstop_requested())) {
1426 vm_stop(r);
1427 }
1428 }
1429 bdrv_close_all();
1430 pause_all_vcpus();
1431 }
1432
1433 static void version(void)
1434 {
1435 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1436 }
1437
1438 static void help(int exitcode)
1439 {
1440 const char *options_help =
1441 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1442 opt_help
1443 #define DEFHEADING(text) stringify(text) "\n"
1444 #include "qemu-options.def"
1445 #undef DEF
1446 #undef DEFHEADING
1447 #undef GEN_DOCS
1448 ;
1449 version();
1450 printf("usage: %s [options] [disk_image]\n"
1451 "\n"
1452 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1453 "\n"
1454 "%s\n"
1455 "During emulation, the following keys are useful:\n"
1456 "ctrl-alt-f toggle full screen\n"
1457 "ctrl-alt-n switch to virtual console 'n'\n"
1458 "ctrl-alt toggle mouse and keyboard grab\n"
1459 "\n"
1460 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1461 "qemu",
1462 options_help);
1463 exit(exitcode);
1464 }
1465
1466 #define HAS_ARG 0x0001
1467
1468 typedef struct QEMUOption {
1469 const char *name;
1470 int flags;
1471 int index;
1472 uint32_t arch_mask;
1473 } QEMUOption;
1474
1475 static const QEMUOption qemu_options[] = {
1476 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1477 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1478 { option, opt_arg, opt_enum, arch_mask },
1479 #define DEFHEADING(text)
1480 #include "qemu-options.def"
1481 #undef DEF
1482 #undef DEFHEADING
1483 #undef GEN_DOCS
1484 { NULL },
1485 };
1486 static void select_vgahw (const char *p)
1487 {
1488 const char *opts;
1489
1490 default_vga = 0;
1491 vga_interface_type = VGA_NONE;
1492 if (strstart(p, "std", &opts)) {
1493 vga_interface_type = VGA_STD;
1494 } else if (strstart(p, "cirrus", &opts)) {
1495 vga_interface_type = VGA_CIRRUS;
1496 } else if (strstart(p, "vmware", &opts)) {
1497 vga_interface_type = VGA_VMWARE;
1498 } else if (strstart(p, "xenfb", &opts)) {
1499 vga_interface_type = VGA_XENFB;
1500 } else if (strstart(p, "qxl", &opts)) {
1501 vga_interface_type = VGA_QXL;
1502 } else if (!strstart(p, "none", &opts)) {
1503 invalid_vga:
1504 fprintf(stderr, "Unknown vga type: %s\n", p);
1505 exit(1);
1506 }
1507 while (*opts) {
1508 const char *nextopt;
1509
1510 if (strstart(opts, ",retrace=", &nextopt)) {
1511 opts = nextopt;
1512 if (strstart(opts, "dumb", &nextopt))
1513 vga_retrace_method = VGA_RETRACE_DUMB;
1514 else if (strstart(opts, "precise", &nextopt))
1515 vga_retrace_method = VGA_RETRACE_PRECISE;
1516 else goto invalid_vga;
1517 } else goto invalid_vga;
1518 opts = nextopt;
1519 }
1520 }
1521
1522 static DisplayType select_display(const char *p)
1523 {
1524 const char *opts;
1525 DisplayType display = DT_DEFAULT;
1526
1527 if (strstart(p, "sdl", &opts)) {
1528 #ifdef CONFIG_SDL
1529 display = DT_SDL;
1530 while (*opts) {
1531 const char *nextopt;
1532
1533 if (strstart(opts, ",frame=", &nextopt)) {
1534 opts = nextopt;
1535 if (strstart(opts, "on", &nextopt)) {
1536 no_frame = 0;
1537 } else if (strstart(opts, "off", &nextopt)) {
1538 no_frame = 1;
1539 } else {
1540 goto invalid_sdl_args;
1541 }
1542 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1543 opts = nextopt;
1544 if (strstart(opts, "on", &nextopt)) {
1545 alt_grab = 1;
1546 } else if (strstart(opts, "off", &nextopt)) {
1547 alt_grab = 0;
1548 } else {
1549 goto invalid_sdl_args;
1550 }
1551 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1552 opts = nextopt;
1553 if (strstart(opts, "on", &nextopt)) {
1554 ctrl_grab = 1;
1555 } else if (strstart(opts, "off", &nextopt)) {
1556 ctrl_grab = 0;
1557 } else {
1558 goto invalid_sdl_args;
1559 }
1560 } else if (strstart(opts, ",window_close=", &nextopt)) {
1561 opts = nextopt;
1562 if (strstart(opts, "on", &nextopt)) {
1563 no_quit = 0;
1564 } else if (strstart(opts, "off", &nextopt)) {
1565 no_quit = 1;
1566 } else {
1567 goto invalid_sdl_args;
1568 }
1569 } else {
1570 invalid_sdl_args:
1571 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1572 exit(1);
1573 }
1574 opts = nextopt;
1575 }
1576 #else
1577 fprintf(stderr, "SDL support is disabled\n");
1578 exit(1);
1579 #endif
1580 } else if (strstart(p, "vnc", &opts)) {
1581 #ifdef CONFIG_VNC
1582 display_remote++;
1583
1584 if (*opts) {
1585 const char *nextopt;
1586
1587 if (strstart(opts, "=", &nextopt)) {
1588 vnc_display = nextopt;
1589 }
1590 }
1591 if (!vnc_display) {
1592 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1593 exit(1);
1594 }
1595 #else
1596 fprintf(stderr, "VNC support is disabled\n");
1597 exit(1);
1598 #endif
1599 } else if (strstart(p, "curses", &opts)) {
1600 #ifdef CONFIG_CURSES
1601 display = DT_CURSES;
1602 #else
1603 fprintf(stderr, "Curses support is disabled\n");
1604 exit(1);
1605 #endif
1606 } else if (strstart(p, "none", &opts)) {
1607 display = DT_NONE;
1608 } else {
1609 fprintf(stderr, "Unknown display type: %s\n", p);
1610 exit(1);
1611 }
1612
1613 return display;
1614 }
1615
1616 static int balloon_parse(const char *arg)
1617 {
1618 QemuOpts *opts;
1619
1620 if (strcmp(arg, "none") == 0) {
1621 return 0;
1622 }
1623
1624 if (!strncmp(arg, "virtio", 6)) {
1625 if (arg[6] == ',') {
1626 /* have params -> parse them */
1627 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1628 if (!opts)
1629 return -1;
1630 } else {
1631 /* create empty opts */
1632 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1633 }
1634 qemu_opt_set(opts, "driver", "virtio-balloon");
1635 return 0;
1636 }
1637
1638 return -1;
1639 }
1640
1641 char *qemu_find_file(int type, const char *name)
1642 {
1643 int len;
1644 const char *subdir;
1645 char *buf;
1646
1647 /* If name contains path separators then try it as a straight path. */
1648 if ((strchr(name, '/') || strchr(name, '\\'))
1649 && access(name, R_OK) == 0) {
1650 return qemu_strdup(name);
1651 }
1652 switch (type) {
1653 case QEMU_FILE_TYPE_BIOS:
1654 subdir = "";
1655 break;
1656 case QEMU_FILE_TYPE_KEYMAP:
1657 subdir = "keymaps/";
1658 break;
1659 default:
1660 abort();
1661 }
1662 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1663 buf = qemu_mallocz(len);
1664 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1665 if (access(buf, R_OK)) {
1666 qemu_free(buf);
1667 return NULL;
1668 }
1669 return buf;
1670 }
1671
1672 static int device_help_func(QemuOpts *opts, void *opaque)
1673 {
1674 return qdev_device_help(opts);
1675 }
1676
1677 static int device_init_func(QemuOpts *opts, void *opaque)
1678 {
1679 DeviceState *dev;
1680
1681 dev = qdev_device_add(opts);
1682 if (!dev)
1683 return -1;
1684 return 0;
1685 }
1686
1687 static int chardev_init_func(QemuOpts *opts, void *opaque)
1688 {
1689 CharDriverState *chr;
1690
1691 chr = qemu_chr_open_opts(opts, NULL);
1692 if (!chr)
1693 return -1;
1694 return 0;
1695 }
1696
1697 #ifdef CONFIG_VIRTFS
1698 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1699 {
1700 int ret;
1701 ret = qemu_fsdev_add(opts);
1702
1703 return ret;
1704 }
1705 #endif
1706
1707 static int mon_init_func(QemuOpts *opts, void *opaque)
1708 {
1709 CharDriverState *chr;
1710 const char *chardev;
1711 const char *mode;
1712 int flags;
1713
1714 mode = qemu_opt_get(opts, "mode");
1715 if (mode == NULL) {
1716 mode = "readline";
1717 }
1718 if (strcmp(mode, "readline") == 0) {
1719 flags = MONITOR_USE_READLINE;
1720 } else if (strcmp(mode, "control") == 0) {
1721 flags = MONITOR_USE_CONTROL;
1722 } else {
1723 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1724 exit(1);
1725 }
1726
1727 if (qemu_opt_get_bool(opts, "pretty", 0))
1728 flags |= MONITOR_USE_PRETTY;
1729
1730 if (qemu_opt_get_bool(opts, "default", 0))
1731 flags |= MONITOR_IS_DEFAULT;
1732
1733 chardev = qemu_opt_get(opts, "chardev");
1734 chr = qemu_chr_find(chardev);
1735 if (chr == NULL) {
1736 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1737 exit(1);
1738 }
1739
1740 monitor_init(chr, flags);
1741 return 0;
1742 }
1743
1744 static void monitor_parse(const char *optarg, const char *mode)
1745 {
1746 static int monitor_device_index = 0;
1747 QemuOpts *opts;
1748 const char *p;
1749 char label[32];
1750 int def = 0;
1751
1752 if (strstart(optarg, "chardev:", &p)) {
1753 snprintf(label, sizeof(label), "%s", p);
1754 } else {
1755 snprintf(label, sizeof(label), "compat_monitor%d",
1756 monitor_device_index);
1757 if (monitor_device_index == 0) {
1758 def = 1;
1759 }
1760 opts = qemu_chr_parse_compat(label, optarg);
1761 if (!opts) {
1762 fprintf(stderr, "parse error: %s\n", optarg);
1763 exit(1);
1764 }
1765 }
1766
1767 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1768 if (!opts) {
1769 fprintf(stderr, "duplicate chardev: %s\n", label);
1770 exit(1);
1771 }
1772 qemu_opt_set(opts, "mode", mode);
1773 qemu_opt_set(opts, "chardev", label);
1774 if (def)
1775 qemu_opt_set(opts, "default", "on");
1776 monitor_device_index++;
1777 }
1778
1779 struct device_config {
1780 enum {
1781 DEV_USB, /* -usbdevice */
1782 DEV_BT, /* -bt */
1783 DEV_SERIAL, /* -serial */
1784 DEV_PARALLEL, /* -parallel */
1785 DEV_VIRTCON, /* -virtioconsole */
1786 DEV_DEBUGCON, /* -debugcon */
1787 } type;
1788 const char *cmdline;
1789 QTAILQ_ENTRY(device_config) next;
1790 };
1791 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1792
1793 static void add_device_config(int type, const char *cmdline)
1794 {
1795 struct device_config *conf;
1796
1797 conf = qemu_mallocz(sizeof(*conf));
1798 conf->type = type;
1799 conf->cmdline = cmdline;
1800 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1801 }
1802
1803 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1804 {
1805 struct device_config *conf;
1806 int rc;
1807
1808 QTAILQ_FOREACH(conf, &device_configs, next) {
1809 if (conf->type != type)
1810 continue;
1811 rc = func(conf->cmdline);
1812 if (0 != rc)
1813 return rc;
1814 }
1815 return 0;
1816 }
1817
1818 static int serial_parse(const char *devname)
1819 {
1820 static int index = 0;
1821 char label[32];
1822
1823 if (strcmp(devname, "none") == 0)
1824 return 0;
1825 if (index == MAX_SERIAL_PORTS) {
1826 fprintf(stderr, "qemu: too many serial ports\n");
1827 exit(1);
1828 }
1829 snprintf(label, sizeof(label), "serial%d", index);
1830 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1831 if (!serial_hds[index]) {
1832 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1833 devname, strerror(errno));
1834 return -1;
1835 }
1836 index++;
1837 return 0;
1838 }
1839
1840 static int parallel_parse(const char *devname)
1841 {
1842 static int index = 0;
1843 char label[32];
1844
1845 if (strcmp(devname, "none") == 0)
1846 return 0;
1847 if (index == MAX_PARALLEL_PORTS) {
1848 fprintf(stderr, "qemu: too many parallel ports\n");
1849 exit(1);
1850 }
1851 snprintf(label, sizeof(label), "parallel%d", index);
1852 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1853 if (!parallel_hds[index]) {
1854 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1855 devname, strerror(errno));
1856 return -1;
1857 }
1858 index++;
1859 return 0;
1860 }
1861
1862 static int virtcon_parse(const char *devname)
1863 {
1864 QemuOptsList *device = qemu_find_opts("device");
1865 static int index = 0;
1866 char label[32];
1867 QemuOpts *bus_opts, *dev_opts;
1868
1869 if (strcmp(devname, "none") == 0)
1870 return 0;
1871 if (index == MAX_VIRTIO_CONSOLES) {
1872 fprintf(stderr, "qemu: too many virtio consoles\n");
1873 exit(1);
1874 }
1875
1876 bus_opts = qemu_opts_create(device, NULL, 0);
1877 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1878
1879 dev_opts = qemu_opts_create(device, NULL, 0);
1880 qemu_opt_set(dev_opts, "driver", "virtconsole");
1881
1882 snprintf(label, sizeof(label), "virtcon%d", index);
1883 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1884 if (!virtcon_hds[index]) {
1885 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1886 devname, strerror(errno));
1887 return -1;
1888 }
1889 qemu_opt_set(dev_opts, "chardev", label);
1890
1891 index++;
1892 return 0;
1893 }
1894
1895 static int debugcon_parse(const char *devname)
1896 {
1897 QemuOpts *opts;
1898
1899 if (!qemu_chr_open("debugcon", devname, NULL)) {
1900 exit(1);
1901 }
1902 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1903 if (!opts) {
1904 fprintf(stderr, "qemu: already have a debugcon device\n");
1905 exit(1);
1906 }
1907 qemu_opt_set(opts, "driver", "isa-debugcon");
1908 qemu_opt_set(opts, "chardev", "debugcon");
1909 return 0;
1910 }
1911
1912 static QEMUMachine *machine_parse(const char *name)
1913 {
1914 QEMUMachine *m, *machine = NULL;
1915
1916 if (name) {
1917 machine = find_machine(name);
1918 }
1919 if (machine) {
1920 return machine;
1921 }
1922 printf("Supported machines are:\n");
1923 for (m = first_machine; m != NULL; m = m->next) {
1924 if (m->alias) {
1925 printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
1926 }
1927 printf("%-10s %s%s\n", m->name, m->desc,
1928 m->is_default ? " (default)" : "");
1929 }
1930 exit(!name || *name != '?');
1931 }
1932
1933 static int tcg_init(void)
1934 {
1935 return 0;
1936 }
1937
1938 static struct {
1939 const char *opt_name;
1940 const char *name;
1941 int (*available)(void);
1942 int (*init)(void);
1943 int *allowed;
1944 } accel_list[] = {
1945 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1946 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1947 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1948 };
1949
1950 static int configure_accelerator(void)
1951 {
1952 const char *p = NULL;
1953 char buf[10];
1954 int i, ret;
1955 bool accel_initalised = 0;
1956 bool init_failed = 0;
1957
1958 QemuOptsList *list = qemu_find_opts("machine");
1959 if (!QTAILQ_EMPTY(&list->head)) {
1960 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
1961 }
1962
1963 if (p == NULL) {
1964 /* Use the default "accelerator", tcg */
1965 p = "tcg";
1966 }
1967
1968 while (!accel_initalised && *p != '\0') {
1969 if (*p == ':') {
1970 p++;
1971 }
1972 p = get_opt_name(buf, sizeof (buf), p, ':');
1973 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
1974 if (strcmp(accel_list[i].opt_name, buf) == 0) {
1975 *(accel_list[i].allowed) = 1;
1976 ret = accel_list[i].init();
1977 if (ret < 0) {
1978 init_failed = 1;
1979 if (!accel_list[i].available()) {
1980 printf("%s not supported for this target\n",
1981 accel_list[i].name);
1982 } else {
1983 fprintf(stderr, "failed to initialize %s: %s\n",
1984 accel_list[i].name,
1985 strerror(-ret));
1986 }
1987 *(accel_list[i].allowed) = 0;
1988 } else {
1989 accel_initalised = 1;
1990 }
1991 break;
1992 }
1993 }
1994 if (i == ARRAY_SIZE(accel_list)) {
1995 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
1996 }
1997 }
1998
1999 if (!accel_initalised) {
2000 fprintf(stderr, "No accelerator found!\n");
2001 exit(1);
2002 }
2003
2004 if (init_failed) {
2005 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2006 }
2007
2008 return !accel_initalised;
2009 }
2010
2011 void qemu_add_exit_notifier(Notifier *notify)
2012 {
2013 notifier_list_add(&exit_notifiers, notify);
2014 }
2015
2016 void qemu_remove_exit_notifier(Notifier *notify)
2017 {
2018 notifier_list_remove(&exit_notifiers, notify);
2019 }
2020
2021 static void qemu_run_exit_notifiers(void)
2022 {
2023 notifier_list_notify(&exit_notifiers, NULL);
2024 }
2025
2026 void qemu_add_machine_init_done_notifier(Notifier *notify)
2027 {
2028 notifier_list_add(&machine_init_done_notifiers, notify);
2029 }
2030
2031 static void qemu_run_machine_init_done_notifiers(void)
2032 {
2033 notifier_list_notify(&machine_init_done_notifiers, NULL);
2034 }
2035
2036 static const QEMUOption *lookup_opt(int argc, char **argv,
2037 const char **poptarg, int *poptind)
2038 {
2039 const QEMUOption *popt;
2040 int optind = *poptind;
2041 char *r = argv[optind];
2042 const char *optarg;
2043
2044 loc_set_cmdline(argv, optind, 1);
2045 optind++;
2046 /* Treat --foo the same as -foo. */
2047 if (r[1] == '-')
2048 r++;
2049 popt = qemu_options;
2050 for(;;) {
2051 if (!popt->name) {
2052 error_report("invalid option");
2053 exit(1);
2054 }
2055 if (!strcmp(popt->name, r + 1))
2056 break;
2057 popt++;
2058 }
2059 if (popt->flags & HAS_ARG) {
2060 if (optind >= argc) {
2061 error_report("requires an argument");
2062 exit(1);
2063 }
2064 optarg = argv[optind++];
2065 loc_set_cmdline(argv, optind - 2, 2);
2066 } else {
2067 optarg = NULL;
2068 }
2069
2070 *poptarg = optarg;
2071 *poptind = optind;
2072
2073 return popt;
2074 }
2075
2076 int main(int argc, char **argv, char **envp)
2077 {
2078 const char *gdbstub_dev = NULL;
2079 int i;
2080 int snapshot, linux_boot;
2081 const char *icount_option = NULL;
2082 const char *initrd_filename;
2083 const char *kernel_filename, *kernel_cmdline;
2084 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2085 DisplayState *ds;
2086 DisplayChangeListener *dcl;
2087 int cyls, heads, secs, translation;
2088 QemuOpts *hda_opts = NULL, *opts;
2089 QemuOptsList *olist;
2090 int optind;
2091 const char *optarg;
2092 const char *loadvm = NULL;
2093 QEMUMachine *machine;
2094 const char *cpu_model;
2095 int tb_size;
2096 const char *pid_file = NULL;
2097 const char *incoming = NULL;
2098 #ifdef CONFIG_VNC
2099 int show_vnc_port = 0;
2100 #endif
2101 int defconfig = 1;
2102 const char *trace_file = NULL;
2103 const char *log_mask = NULL;
2104 const char *log_file = NULL;
2105
2106 atexit(qemu_run_exit_notifiers);
2107 error_set_progname(argv[0]);
2108
2109 init_clocks();
2110
2111 qemu_cache_utils_init(envp);
2112
2113 QLIST_INIT (&vm_change_state_head);
2114 os_setup_early_signal_handling();
2115
2116 module_call_init(MODULE_INIT_MACHINE);
2117 machine = find_default_machine();
2118 cpu_model = NULL;
2119 initrd_filename = NULL;
2120 ram_size = 0;
2121 snapshot = 0;
2122 kernel_filename = NULL;
2123 kernel_cmdline = "";
2124 cyls = heads = secs = 0;
2125 translation = BIOS_ATA_TRANSLATION_AUTO;
2126
2127 for (i = 0; i < MAX_NODES; i++) {
2128 node_mem[i] = 0;
2129 node_cpumask[i] = 0;
2130 }
2131
2132 nb_numa_nodes = 0;
2133 nb_nics = 0;
2134
2135 tb_size = 0;
2136 autostart= 1;
2137
2138 /* first pass of option parsing */
2139 optind = 1;
2140 while (optind < argc) {
2141 if (argv[optind][0] != '-') {
2142 /* disk image */
2143 optind++;
2144 continue;
2145 } else {
2146 const QEMUOption *popt;
2147
2148 popt = lookup_opt(argc, argv, &optarg, &optind);
2149 switch (popt->index) {
2150 case QEMU_OPTION_nodefconfig:
2151 defconfig=0;
2152 break;
2153 }
2154 }
2155 }
2156
2157 if (defconfig) {
2158 int ret;
2159
2160 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2161 if (ret < 0 && ret != -ENOENT) {
2162 exit(1);
2163 }
2164
2165 ret = qemu_read_config_file(arch_config_name);
2166 if (ret < 0 && ret != -ENOENT) {
2167 exit(1);
2168 }
2169 }
2170 cpudef_init();
2171
2172 /* second pass of option parsing */
2173 optind = 1;
2174 for(;;) {
2175 if (optind >= argc)
2176 break;
2177 if (argv[optind][0] != '-') {
2178 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2179 } else {
2180 const QEMUOption *popt;
2181
2182 popt = lookup_opt(argc, argv, &optarg, &optind);
2183 if (!(popt->arch_mask & arch_type)) {
2184 printf("Option %s not supported for this target\n", popt->name);
2185 exit(1);
2186 }
2187 switch(popt->index) {
2188 case QEMU_OPTION_M:
2189 machine = machine_parse(optarg);
2190 break;
2191 case QEMU_OPTION_cpu:
2192 /* hw initialization will check this */
2193 if (*optarg == '?') {
2194 list_cpus(stdout, &fprintf, optarg);
2195 exit(0);
2196 } else {
2197 cpu_model = optarg;
2198 }
2199 break;
2200 case QEMU_OPTION_initrd:
2201 initrd_filename = optarg;
2202 break;
2203 case QEMU_OPTION_hda:
2204 {
2205 char buf[256];
2206 if (cyls == 0)
2207 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2208 else
2209 snprintf(buf, sizeof(buf),
2210 "%s,cyls=%d,heads=%d,secs=%d%s",
2211 HD_OPTS , cyls, heads, secs,
2212 translation == BIOS_ATA_TRANSLATION_LBA ?
2213 ",trans=lba" :
2214 translation == BIOS_ATA_TRANSLATION_NONE ?
2215 ",trans=none" : "");
2216 drive_add(IF_DEFAULT, 0, optarg, buf);
2217 break;
2218 }
2219 case QEMU_OPTION_hdb:
2220 case QEMU_OPTION_hdc:
2221 case QEMU_OPTION_hdd:
2222 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2223 HD_OPTS);
2224 break;
2225 case QEMU_OPTION_drive:
2226 if (drive_def(optarg) == NULL) {
2227 exit(1);
2228 }
2229 break;
2230 case QEMU_OPTION_set:
2231 if (qemu_set_option(optarg) != 0)
2232 exit(1);
2233 break;
2234 case QEMU_OPTION_global:
2235 if (qemu_global_option(optarg) != 0)
2236 exit(1);
2237 break;
2238 case QEMU_OPTION_mtdblock:
2239 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2240 break;
2241 case QEMU_OPTION_sd:
2242 drive_add(IF_SD, 0, optarg, SD_OPTS);
2243 break;
2244 case QEMU_OPTION_pflash:
2245 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2246 break;
2247 case QEMU_OPTION_snapshot:
2248 snapshot = 1;
2249 break;
2250 case QEMU_OPTION_hdachs:
2251 {
2252 const char *p;
2253 p = optarg;
2254 cyls = strtol(p, (char **)&p, 0);
2255 if (cyls < 1 || cyls > 16383)
2256 goto chs_fail;
2257 if (*p != ',')
2258 goto chs_fail;
2259 p++;
2260 heads = strtol(p, (char **)&p, 0);
2261 if (heads < 1 || heads > 16)
2262 goto chs_fail;
2263 if (*p != ',')
2264 goto chs_fail;
2265 p++;
2266 secs = strtol(p, (char **)&p, 0);
2267 if (secs < 1 || secs > 63)
2268 goto chs_fail;
2269 if (*p == ',') {
2270 p++;
2271 if (!strcmp(p, "none"))
2272 translation = BIOS_ATA_TRANSLATION_NONE;
2273 else if (!strcmp(p, "lba"))
2274 translation = BIOS_ATA_TRANSLATION_LBA;
2275 else if (!strcmp(p, "auto"))
2276 translation = BIOS_ATA_TRANSLATION_AUTO;
2277 else
2278 goto chs_fail;
2279 } else if (*p != '\0') {
2280 chs_fail:
2281 fprintf(stderr, "qemu: invalid physical CHS format\n");
2282 exit(1);
2283 }
2284 if (hda_opts != NULL) {
2285 char num[16];
2286 snprintf(num, sizeof(num), "%d", cyls);
2287 qemu_opt_set(hda_opts, "cyls", num);
2288 snprintf(num, sizeof(num), "%d", heads);
2289 qemu_opt_set(hda_opts, "heads", num);
2290 snprintf(num, sizeof(num), "%d", secs);
2291 qemu_opt_set(hda_opts, "secs", num);
2292 if (translation == BIOS_ATA_TRANSLATION_LBA)
2293 qemu_opt_set(hda_opts, "trans", "lba");
2294 if (translation == BIOS_ATA_TRANSLATION_NONE)
2295 qemu_opt_set(hda_opts, "trans", "none");
2296 }
2297 }
2298 break;
2299 case QEMU_OPTION_numa:
2300 if (nb_numa_nodes >= MAX_NODES) {
2301 fprintf(stderr, "qemu: too many NUMA nodes\n");
2302 exit(1);
2303 }
2304 numa_add(optarg);
2305 break;
2306 case QEMU_OPTION_display:
2307 display_type = select_display(optarg);
2308 break;
2309 case QEMU_OPTION_nographic:
2310 display_type = DT_NOGRAPHIC;
2311 break;
2312 case QEMU_OPTION_curses:
2313 #ifdef CONFIG_CURSES
2314 display_type = DT_CURSES;
2315 #else
2316 fprintf(stderr, "Curses support is disabled\n");
2317 exit(1);
2318 #endif
2319 break;
2320 case QEMU_OPTION_portrait:
2321 graphic_rotate = 90;
2322 break;
2323 case QEMU_OPTION_rotate:
2324 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2325 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2326 graphic_rotate != 180 && graphic_rotate != 270) {
2327 fprintf(stderr,
2328 "qemu: only 90, 180, 270 deg rotation is available\n");
2329 exit(1);
2330 }
2331 break;
2332 case QEMU_OPTION_kernel:
2333 kernel_filename = optarg;
2334 break;
2335 case QEMU_OPTION_append:
2336 kernel_cmdline = optarg;
2337 break;
2338 case QEMU_OPTION_cdrom:
2339 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2340 break;
2341 case QEMU_OPTION_boot:
2342 {
2343 static const char * const params[] = {
2344 "order", "once", "menu",
2345 "splash", "splash-time", NULL
2346 };
2347 char buf[sizeof(boot_devices)];
2348 char *standard_boot_devices;
2349 int legacy = 0;
2350
2351 if (!strchr(optarg, '=')) {
2352 legacy = 1;
2353 pstrcpy(buf, sizeof(buf), optarg);
2354 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2355 fprintf(stderr,
2356 "qemu: unknown boot parameter '%s' in '%s'\n",
2357 buf, optarg);
2358 exit(1);
2359 }
2360
2361 if (legacy ||
2362 get_param_value(buf, sizeof(buf), "order", optarg)) {
2363 validate_bootdevices(buf);
2364 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2365 }
2366 if (!legacy) {
2367 if (get_param_value(buf, sizeof(buf),
2368 "once", optarg)) {
2369 validate_bootdevices(buf);
2370 standard_boot_devices = qemu_strdup(boot_devices);
2371 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2372 qemu_register_reset(restore_boot_devices,
2373 standard_boot_devices);
2374 }
2375 if (get_param_value(buf, sizeof(buf),
2376 "menu", optarg)) {
2377 if (!strcmp(buf, "on")) {
2378 boot_menu = 1;
2379 } else if (!strcmp(buf, "off")) {
2380 boot_menu = 0;
2381 } else {
2382 fprintf(stderr,
2383 "qemu: invalid option value '%s'\n",
2384 buf);
2385 exit(1);
2386 }
2387 }
2388 qemu_opts_parse(qemu_find_opts("boot-opts"),
2389 optarg, 0);
2390 }
2391 }
2392 break;
2393 case QEMU_OPTION_fda:
2394 case QEMU_OPTION_fdb:
2395 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2396 optarg, FD_OPTS);
2397 break;
2398 case QEMU_OPTION_no_fd_bootchk:
2399 fd_bootchk = 0;
2400 break;
2401 case QEMU_OPTION_netdev:
2402 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2403 exit(1);
2404 }
2405 break;
2406 case QEMU_OPTION_net:
2407 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2408 exit(1);
2409 }
2410 break;
2411 #ifdef CONFIG_SLIRP
2412 case QEMU_OPTION_tftp:
2413 legacy_tftp_prefix = optarg;
2414 break;
2415 case QEMU_OPTION_bootp:
2416 legacy_bootp_filename = optarg;
2417 break;
2418 case QEMU_OPTION_redir:
2419 if (net_slirp_redir(optarg) < 0)
2420 exit(1);
2421 break;
2422 #endif
2423 case QEMU_OPTION_bt:
2424 add_device_config(DEV_BT, optarg);
2425 break;
2426 case QEMU_OPTION_audio_help:
2427 if (!(audio_available())) {
2428 printf("Option %s not supported for this target\n", popt->name);
2429 exit(1);
2430 }
2431 AUD_help ();
2432 exit (0);
2433 break;
2434 case QEMU_OPTION_soundhw:
2435 if (!(audio_available())) {
2436 printf("Option %s not supported for this target\n", popt->name);
2437 exit(1);
2438 }
2439 select_soundhw (optarg);
2440 break;
2441 case QEMU_OPTION_h:
2442 help(0);
2443 break;
2444 case QEMU_OPTION_version:
2445 version();
2446 exit(0);
2447 break;
2448 case QEMU_OPTION_m: {
2449 int64_t value;
2450
2451 value = strtosz(optarg, NULL);
2452 if (value < 0) {
2453 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2454 exit(1);
2455 }
2456
2457 if (value != (uint64_t)(ram_addr_t)value) {
2458 fprintf(stderr, "qemu: ram size too large\n");
2459 exit(1);
2460 }
2461 ram_size = value;
2462 break;
2463 }
2464 case QEMU_OPTION_mempath:
2465 mem_path = optarg;
2466 break;
2467 #ifdef MAP_POPULATE
2468 case QEMU_OPTION_mem_prealloc:
2469 mem_prealloc = 1;
2470 break;
2471 #endif
2472 case QEMU_OPTION_d:
2473 log_mask = optarg;
2474 break;
2475 case QEMU_OPTION_D:
2476 log_file = optarg;
2477 break;
2478 case QEMU_OPTION_s:
2479 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2480 break;
2481 case QEMU_OPTION_gdb:
2482 gdbstub_dev = optarg;
2483 break;
2484 case QEMU_OPTION_L:
2485 data_dir = optarg;
2486 break;
2487 case QEMU_OPTION_bios:
2488 bios_name = optarg;
2489 break;
2490 case QEMU_OPTION_singlestep:
2491 singlestep = 1;
2492 break;
2493 case QEMU_OPTION_S:
2494 autostart = 0;
2495 break;
2496 case QEMU_OPTION_k:
2497 keyboard_layout = optarg;
2498 break;
2499 case QEMU_OPTION_localtime:
2500 rtc_utc = 0;
2501 break;
2502 case QEMU_OPTION_vga:
2503 select_vgahw (optarg);
2504 break;
2505 case QEMU_OPTION_g:
2506 {
2507 const char *p;
2508 int w, h, depth;
2509 p = optarg;
2510 w = strtol(p, (char **)&p, 10);
2511 if (w <= 0) {
2512 graphic_error:
2513 fprintf(stderr, "qemu: invalid resolution or depth\n");
2514 exit(1);
2515 }
2516 if (*p != 'x')
2517 goto graphic_error;
2518 p++;
2519 h = strtol(p, (char **)&p, 10);
2520 if (h <= 0)
2521 goto graphic_error;
2522 if (*p == 'x') {
2523 p++;
2524 depth = strtol(p, (char **)&p, 10);
2525 if (depth != 8 && depth != 15 && depth != 16 &&
2526 depth != 24 && depth != 32)
2527 goto graphic_error;
2528 } else if (*p == '\0') {
2529 depth = graphic_depth;
2530 } else {
2531 goto graphic_error;
2532 }
2533
2534 graphic_width = w;
2535 graphic_height = h;
2536 graphic_depth = depth;
2537 }
2538 break;
2539 case QEMU_OPTION_echr:
2540 {
2541 char *r;
2542 term_escape_char = strtol(optarg, &r, 0);
2543 if (r == optarg)
2544 printf("Bad argument to echr\n");
2545 break;
2546 }
2547 case QEMU_OPTION_monitor:
2548 monitor_parse(optarg, "readline");
2549 default_monitor = 0;
2550 break;
2551 case QEMU_OPTION_qmp:
2552 monitor_parse(optarg, "control");
2553 default_monitor = 0;
2554 break;
2555 case QEMU_OPTION_mon:
2556 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2557 if (!opts) {
2558 exit(1);
2559 }
2560 default_monitor = 0;
2561 break;
2562 case QEMU_OPTION_chardev:
2563 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2564 if (!opts) {
2565 exit(1);
2566 }
2567 break;
2568 case QEMU_OPTION_fsdev:
2569 olist = qemu_find_opts("fsdev");
2570 if (!olist) {
2571 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2572 exit(1);
2573 }
2574 opts = qemu_opts_parse(olist, optarg, 1);
2575 if (!opts) {
2576 fprintf(stderr, "parse error: %s\n", optarg);
2577 exit(1);
2578 }
2579 break;
2580 case QEMU_OPTION_virtfs: {
2581 QemuOpts *fsdev;
2582 QemuOpts *device;
2583
2584 olist = qemu_find_opts("virtfs");
2585 if (!olist) {
2586 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2587 exit(1);
2588 }
2589 opts = qemu_opts_parse(olist, optarg, 1);
2590 if (!opts) {
2591 fprintf(stderr, "parse error: %s\n", optarg);
2592 exit(1);
2593 }
2594
2595 if (qemu_opt_get(opts, "fstype") == NULL ||
2596 qemu_opt_get(opts, "mount_tag") == NULL ||
2597 qemu_opt_get(opts, "path") == NULL ||
2598 qemu_opt_get(opts, "security_model") == NULL) {
2599 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2600 "security_model=[mapped|passthrough|none],"
2601 "mount_tag=tag.\n");
2602 exit(1);
2603 }
2604
2605 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2606 qemu_opt_get(opts, "mount_tag"), 1);
2607 if (!fsdev) {
2608 fprintf(stderr, "duplicate fsdev id: %s\n",
2609 qemu_opt_get(opts, "mount_tag"));
2610 exit(1);
2611 }
2612 qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2613 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2614 qemu_opt_set(fsdev, "security_model",
2615 qemu_opt_get(opts, "security_model"));
2616
2617 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2618 qemu_opt_set(device, "driver", "virtio-9p-pci");
2619 qemu_opt_set(device, "fsdev",
2620 qemu_opt_get(opts, "mount_tag"));
2621 qemu_opt_set(device, "mount_tag",
2622 qemu_opt_get(opts, "mount_tag"));
2623 break;
2624 }
2625 case QEMU_OPTION_serial:
2626 add_device_config(DEV_SERIAL, optarg);
2627 default_serial = 0;
2628 if (strncmp(optarg, "mon:", 4) == 0) {
2629 default_monitor = 0;
2630 }
2631 break;
2632 case QEMU_OPTION_watchdog:
2633 if (watchdog) {
2634 fprintf(stderr,
2635 "qemu: only one watchdog option may be given\n");
2636 return 1;
2637 }
2638 watchdog = optarg;
2639 break;
2640 case QEMU_OPTION_watchdog_action:
2641 if (select_watchdog_action(optarg) == -1) {
2642 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2643 exit(1);
2644 }
2645 break;
2646 case QEMU_OPTION_virtiocon:
2647 add_device_config(DEV_VIRTCON, optarg);
2648 default_virtcon = 0;
2649 if (strncmp(optarg, "mon:", 4) == 0) {
2650 default_monitor = 0;
2651 }
2652 break;
2653 case QEMU_OPTION_parallel:
2654 add_device_config(DEV_PARALLEL, optarg);
2655 default_parallel = 0;
2656 if (strncmp(optarg, "mon:", 4) == 0) {
2657 default_monitor = 0;
2658 }
2659 break;
2660 case QEMU_OPTION_debugcon:
2661 add_device_config(DEV_DEBUGCON, optarg);
2662 break;
2663 case QEMU_OPTION_loadvm:
2664 loadvm = optarg;
2665 break;
2666 case QEMU_OPTION_full_screen:
2667 full_screen = 1;
2668 break;
2669 #ifdef CONFIG_SDL
2670 case QEMU_OPTION_no_frame:
2671 no_frame = 1;
2672 break;
2673 case QEMU_OPTION_alt_grab:
2674 alt_grab = 1;
2675 break;
2676 case QEMU_OPTION_ctrl_grab:
2677 ctrl_grab = 1;
2678 break;
2679 case QEMU_OPTION_no_quit:
2680 no_quit = 1;
2681 break;
2682 case QEMU_OPTION_sdl:
2683 display_type = DT_SDL;
2684 break;
2685 #else
2686 case QEMU_OPTION_no_frame:
2687 case QEMU_OPTION_alt_grab:
2688 case QEMU_OPTION_ctrl_grab:
2689 case QEMU_OPTION_no_quit:
2690 case QEMU_OPTION_sdl:
2691 fprintf(stderr, "SDL support is disabled\n");
2692 exit(1);
2693 #endif
2694 case QEMU_OPTION_pidfile:
2695 pid_file = optarg;
2696 break;
2697 case QEMU_OPTION_win2k_hack:
2698 win2k_install_hack = 1;
2699 break;
2700 case QEMU_OPTION_rtc_td_hack:
2701 rtc_td_hack = 1;
2702 break;
2703 case QEMU_OPTION_acpitable:
2704 do_acpitable_option(optarg);
2705 break;
2706 case QEMU_OPTION_smbios:
2707 do_smbios_option(optarg);
2708 break;
2709 case QEMU_OPTION_enable_kvm:
2710 olist = qemu_find_opts("machine");
2711 qemu_opts_reset(olist);
2712 qemu_opts_parse(olist, "accel=kvm", 0);
2713 break;
2714 case QEMU_OPTION_machine:
2715 olist = qemu_find_opts("machine");
2716 qemu_opts_reset(olist);
2717 opts = qemu_opts_parse(olist, optarg, 1);
2718 if (!opts) {
2719 fprintf(stderr, "parse error: %s\n", optarg);
2720 exit(1);
2721 }
2722 optarg = qemu_opt_get(opts, "type");
2723 if (optarg) {
2724 machine = machine_parse(optarg);
2725 }
2726 break;
2727 case QEMU_OPTION_usb:
2728 usb_enabled = 1;
2729 break;
2730 case QEMU_OPTION_usbdevice:
2731 usb_enabled = 1;
2732 add_device_config(DEV_USB, optarg);
2733 break;
2734 case QEMU_OPTION_device:
2735 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2736 exit(1);
2737 }
2738 break;
2739 case QEMU_OPTION_smp:
2740 smp_parse(optarg);
2741 if (smp_cpus < 1) {
2742 fprintf(stderr, "Invalid number of CPUs\n");
2743 exit(1);
2744 }
2745 if (max_cpus < smp_cpus) {
2746 fprintf(stderr, "maxcpus must be equal to or greater than "
2747 "smp\n");
2748 exit(1);
2749 }
2750 if (max_cpus > 255) {
2751 fprintf(stderr, "Unsupported number of maxcpus\n");
2752 exit(1);
2753 }
2754 break;
2755 case QEMU_OPTION_vnc:
2756 #ifdef CONFIG_VNC
2757 display_remote++;
2758 vnc_display = optarg;
2759 #else
2760 fprintf(stderr, "VNC support is disabled\n");
2761 exit(1);
2762 #endif
2763 break;
2764 case QEMU_OPTION_no_acpi:
2765 acpi_enabled = 0;
2766 break;
2767 case QEMU_OPTION_no_hpet:
2768 no_hpet = 1;
2769 break;
2770 case QEMU_OPTION_balloon:
2771 if (balloon_parse(optarg) < 0) {
2772 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2773 exit(1);
2774 }
2775 break;
2776 case QEMU_OPTION_no_reboot:
2777 no_reboot = 1;
2778 break;
2779 case QEMU_OPTION_no_shutdown:
2780 no_shutdown = 1;
2781 break;
2782 case QEMU_OPTION_show_cursor:
2783 cursor_hide = 0;
2784 break;
2785 case QEMU_OPTION_uuid:
2786 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2787 fprintf(stderr, "Fail to parse UUID string."
2788 " Wrong format.\n");
2789 exit(1);
2790 }
2791 break;
2792 case QEMU_OPTION_option_rom:
2793 if (nb_option_roms >= MAX_OPTION_ROMS) {
2794 fprintf(stderr, "Too many option ROMs\n");
2795 exit(1);
2796 }
2797 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2798 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2799 option_rom[nb_option_roms].bootindex =
2800 qemu_opt_get_number(opts, "bootindex", -1);
2801 if (!option_rom[nb_option_roms].name) {
2802 fprintf(stderr, "Option ROM file is not specified\n");
2803 exit(1);
2804 }
2805 nb_option_roms++;
2806 break;
2807 case QEMU_OPTION_semihosting:
2808 semihosting_enabled = 1;
2809 break;
2810 case QEMU_OPTION_name:
2811 qemu_name = qemu_strdup(optarg);
2812 {
2813 char *p = strchr(qemu_name, ',');
2814 if (p != NULL) {
2815 *p++ = 0;
2816 if (strncmp(p, "process=", 8)) {
2817 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2818 exit(1);
2819 }
2820 p += 8;
2821 os_set_proc_name(p);
2822 }
2823 }
2824 break;
2825 case QEMU_OPTION_prom_env:
2826 if (nb_prom_envs >= MAX_PROM_ENVS) {
2827 fprintf(stderr, "Too many prom variables\n");
2828 exit(1);
2829 }
2830 prom_envs[nb_prom_envs] = optarg;
2831 nb_prom_envs++;
2832 break;
2833 case QEMU_OPTION_old_param:
2834 old_param = 1;
2835 break;
2836 case QEMU_OPTION_clock:
2837 configure_alarms(optarg);
2838 break;
2839 case QEMU_OPTION_startdate:
2840 configure_rtc_date_offset(optarg, 1);
2841 break;
2842 case QEMU_OPTION_rtc:
2843 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2844 if (!opts) {
2845 exit(1);
2846 }
2847 configure_rtc(opts);
2848 break;
2849 case QEMU_OPTION_tb_size:
2850 tb_size = strtol(optarg, NULL, 0);
2851 if (tb_size < 0)
2852 tb_size = 0;
2853 break;
2854 case QEMU_OPTION_icount:
2855 icount_option = optarg;
2856 break;
2857 case QEMU_OPTION_incoming:
2858 incoming = optarg;
2859 incoming_expected = true;
2860 break;
2861 case QEMU_OPTION_nodefaults:
2862 default_serial = 0;
2863 default_parallel = 0;
2864 default_virtcon = 0;
2865 default_monitor = 0;
2866 default_vga = 0;
2867 default_net = 0;
2868 default_floppy = 0;
2869 default_cdrom = 0;
2870 default_sdcard = 0;
2871 break;
2872 case QEMU_OPTION_xen_domid:
2873 if (!(xen_available())) {
2874 printf("Option %s not supported for this target\n", popt->name);
2875 exit(1);
2876 }
2877 xen_domid = atoi(optarg);
2878 break;
2879 case QEMU_OPTION_xen_create:
2880 if (!(xen_available())) {
2881 printf("Option %s not supported for this target\n", popt->name);
2882 exit(1);
2883 }
2884 xen_mode = XEN_CREATE;
2885 break;
2886 case QEMU_OPTION_xen_attach:
2887 if (!(xen_available())) {
2888 printf("Option %s not supported for this target\n", popt->name);
2889 exit(1);
2890 }
2891 xen_mode = XEN_ATTACH;
2892 break;
2893 #ifdef CONFIG_SIMPLE_TRACE
2894 case QEMU_OPTION_trace:
2895 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2896 if (opts) {
2897 trace_file = qemu_opt_get(opts, "file");
2898 }
2899 break;
2900 #endif
2901 case QEMU_OPTION_readconfig:
2902 {
2903 int ret = qemu_read_config_file(optarg);
2904 if (ret < 0) {
2905 fprintf(stderr, "read config %s: %s\n", optarg,
2906 strerror(-ret));
2907 exit(1);
2908 }
2909 break;
2910 }
2911 case QEMU_OPTION_spice:
2912 olist = qemu_find_opts("spice");
2913 if (!olist) {
2914 fprintf(stderr, "spice is not supported by this qemu build.\n");
2915 exit(1);
2916 }
2917 opts = qemu_opts_parse(olist, optarg, 0);
2918 if (!opts) {
2919 fprintf(stderr, "parse error: %s\n", optarg);
2920 exit(1);
2921 }
2922 break;
2923 case QEMU_OPTION_writeconfig:
2924 {
2925 FILE *fp;
2926 if (strcmp(optarg, "-") == 0) {
2927 fp = stdout;
2928 } else {
2929 fp = fopen(optarg, "w");
2930 if (fp == NULL) {
2931 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2932 exit(1);
2933 }
2934 }
2935 qemu_config_write(fp);
2936 fclose(fp);
2937 break;
2938 }
2939 default:
2940 os_parse_cmd_args(popt->index, optarg);
2941 }
2942 }
2943 }
2944 loc_set_none();
2945
2946 /* Open the logfile at this point, if necessary. We can't open the logfile
2947 * when encountering either of the logging options (-d or -D) because the
2948 * other one may be encountered later on the command line, changing the
2949 * location or level of logging.
2950 */
2951 if (log_mask) {
2952 if (log_file) {
2953 set_cpu_log_filename(log_file);
2954 }
2955 set_cpu_log(log_mask);
2956 }
2957
2958 if (!st_init(trace_file)) {
2959 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2960 }
2961
2962 /* If no data_dir is specified then try to find it relative to the
2963 executable path. */
2964 if (!data_dir) {
2965 data_dir = os_find_datadir(argv[0]);
2966 }
2967 /* If all else fails use the install patch specified when building. */
2968 if (!data_dir) {
2969 data_dir = CONFIG_QEMU_DATADIR;
2970 }
2971
2972 /*
2973 * Default to max_cpus = smp_cpus, in case the user doesn't
2974 * specify a max_cpus value.
2975 */
2976 if (!max_cpus)
2977 max_cpus = smp_cpus;
2978
2979 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2980 if (smp_cpus > machine->max_cpus) {
2981 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2982 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2983 machine->max_cpus);
2984 exit(1);
2985 }
2986
2987 /*
2988 * Get the default machine options from the machine if it is not already
2989 * specified either by the configuration file or by the command line.
2990 */
2991 if (machine->default_machine_opts) {
2992 QemuOptsList *list = qemu_find_opts("machine");
2993 const char *p = NULL;
2994
2995 if (!QTAILQ_EMPTY(&list->head)) {
2996 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2997 }
2998 if (p == NULL) {
2999 qemu_opts_reset(list);
3000 opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
3001 if (!opts) {
3002 fprintf(stderr, "parse error for machine %s: %s\n",
3003 machine->name, machine->default_machine_opts);
3004 exit(1);
3005 }
3006 }
3007 }
3008
3009 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3010 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3011
3012 if (machine->no_serial) {
3013 default_serial = 0;
3014 }
3015 if (machine->no_parallel) {
3016 default_parallel = 0;
3017 }
3018 if (!machine->use_virtcon) {
3019 default_virtcon = 0;
3020 }
3021 if (machine->no_vga) {
3022 default_vga = 0;
3023 }
3024 if (machine->no_floppy) {
3025 default_floppy = 0;
3026 }
3027 if (machine->no_cdrom) {
3028 default_cdrom = 0;
3029 }
3030 if (machine->no_sdcard) {
3031 default_sdcard = 0;
3032 }
3033
3034 if (display_type == DT_NOGRAPHIC) {
3035 if (default_parallel)
3036 add_device_config(DEV_PARALLEL, "null");
3037 if (default_serial && default_monitor) {
3038 add_device_config(DEV_SERIAL, "mon:stdio");
3039 } else if (default_virtcon && default_monitor) {
3040 add_device_config(DEV_VIRTCON, "mon:stdio");
3041 } else {
3042 if (default_serial)
3043 add_device_config(DEV_SERIAL, "stdio");
3044 if (default_virtcon)
3045 add_device_config(DEV_VIRTCON, "stdio");
3046 if (default_monitor)
3047 monitor_parse("stdio", "readline");
3048 }
3049 } else {
3050 if (default_serial)
3051 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3052 if (default_parallel)
3053 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3054 if (default_monitor)
3055 monitor_parse("vc:80Cx24C", "readline");
3056 if (default_virtcon)
3057 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3058 }
3059 if (default_vga)
3060 vga_interface_type = VGA_CIRRUS;
3061
3062 socket_init();
3063
3064 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3065 exit(1);
3066 #ifdef CONFIG_VIRTFS
3067 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3068 exit(1);
3069 }
3070 #endif
3071
3072 os_daemonize();
3073
3074 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3075 os_pidfile_error();
3076 exit(1);
3077 }
3078
3079 configure_accelerator();
3080
3081 if (qemu_init_main_loop()) {
3082 fprintf(stderr, "qemu_init_main_loop failed\n");
3083 exit(1);
3084 }
3085 linux_boot = (kernel_filename != NULL);
3086
3087 if (!linux_boot && *kernel_cmdline != '\0') {
3088 fprintf(stderr, "-append only allowed with -kernel option\n");
3089 exit(1);
3090 }
3091
3092 if (!linux_boot && initrd_filename != NULL) {
3093 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3094 exit(1);
3095 }
3096
3097 os_set_line_buffering();
3098
3099 if (init_timer_alarm() < 0) {
3100 fprintf(stderr, "could not initialize alarm timer\n");
3101 exit(1);
3102 }
3103 configure_icount(icount_option);
3104
3105 if (net_init_clients() < 0) {
3106 exit(1);
3107 }
3108
3109 /* init the bluetooth world */
3110 if (foreach_device_config(DEV_BT, bt_parse))
3111 exit(1);
3112
3113 /* init the memory */
3114 if (ram_size == 0) {
3115 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3116 }
3117
3118 if (!xen_enabled()) {
3119 /* On 32-bit hosts, QEMU is limited by virtual address space */
3120 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3121 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3122 exit(1);
3123 }
3124 }
3125
3126 /* init the dynamic translator */
3127 cpu_exec_init_all(tb_size * 1024 * 1024);
3128
3129 bdrv_init_with_whitelist();
3130
3131 blk_mig_init();
3132
3133 /* open the virtual block devices */
3134 if (snapshot)
3135 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3136 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3137 exit(1);
3138
3139 default_drive(default_cdrom, snapshot, machine->use_scsi,
3140 IF_DEFAULT, 2, CDROM_OPTS);
3141 default_drive(default_floppy, snapshot, machine->use_scsi,
3142 IF_FLOPPY, 0, FD_OPTS);
3143 default_drive(default_sdcard, snapshot, machine->use_scsi,
3144 IF_SD, 0, SD_OPTS);
3145
3146 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3147 ram_load, NULL);
3148
3149 if (nb_numa_nodes > 0) {
3150 int i;
3151
3152 if (nb_numa_nodes > MAX_NODES) {
3153 nb_numa_nodes = MAX_NODES;
3154 }
3155
3156 /* If no memory size if given for any node, assume the default case
3157 * and distribute the available memory equally across all nodes
3158 */
3159 for (i = 0; i < nb_numa_nodes; i++) {
3160 if (node_mem[i] != 0)
3161 break;
3162 }
3163 if (i == nb_numa_nodes) {
3164 uint64_t usedmem = 0;
3165
3166 /* On Linux, the each node's border has to be 8MB aligned,
3167 * the final node gets the rest.
3168 */
3169 for (i = 0; i < nb_numa_nodes - 1; i++) {
3170 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3171 usedmem += node_mem[i];
3172 }
3173 node_mem[i] = ram_size - usedmem;
3174 }
3175
3176 for (i = 0; i < nb_numa_nodes; i++) {
3177 if (node_cpumask[i] != 0)
3178 break;
3179 }
3180 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3181 * must cope with this anyway, because there are BIOSes out there in
3182 * real machines which also use this scheme.
3183 */
3184 if (i == nb_numa_nodes) {
3185 for (i = 0; i < smp_cpus; i++) {
3186 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3187 }
3188 }
3189 }
3190
3191 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3192 exit(1);
3193 }
3194
3195 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3196 exit(1);
3197 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3198 exit(1);
3199 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3200 exit(1);
3201 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3202 exit(1);
3203
3204 module_call_init(MODULE_INIT_DEVICE);
3205
3206 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3207 exit(0);
3208
3209 if (watchdog) {
3210 i = select_watchdog(watchdog);
3211 if (i > 0)
3212 exit (i == 1 ? 1 : 0);
3213 }
3214
3215 if (machine->compat_props) {
3216 qdev_prop_register_global_list(machine->compat_props);
3217 }
3218 qemu_add_globals();
3219
3220 machine->init(ram_size, boot_devices,
3221 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3222
3223 cpu_synchronize_all_post_init();
3224
3225 set_numa_modes();
3226
3227 current_machine = machine;
3228
3229 /* init USB devices */
3230 if (usb_enabled) {
3231 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3232 exit(1);
3233 }
3234
3235 /* init generic devices */
3236 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3237 exit(1);
3238
3239 net_check_clients();
3240
3241 /* just use the first displaystate for the moment */
3242 ds = get_displaystate();
3243
3244 if (using_spice)
3245 display_remote++;
3246 if (display_type == DT_DEFAULT && !display_remote) {
3247 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3248 display_type = DT_SDL;
3249 #elif defined(CONFIG_VNC)
3250 vnc_display = "localhost:0,to=99";
3251 show_vnc_port = 1;
3252 #else
3253 display_type = DT_NONE;
3254 #endif
3255 }
3256
3257
3258 /* init local displays */
3259 switch (display_type) {
3260 case DT_NOGRAPHIC:
3261 break;
3262 #if defined(CONFIG_CURSES)
3263 case DT_CURSES:
3264 curses_display_init(ds, full_screen);
3265 break;
3266 #endif
3267 #if defined(CONFIG_SDL)
3268 case DT_SDL:
3269 sdl_display_init(ds, full_screen, no_frame);
3270 break;
3271 #elif defined(CONFIG_COCOA)
3272 case DT_SDL:
3273 cocoa_display_init(ds, full_screen);
3274 break;
3275 #endif
3276 default:
3277 break;
3278 }
3279
3280 /* must be after terminal init, SDL library changes signal handlers */
3281 os_setup_signal_handling();
3282
3283 #ifdef CONFIG_VNC
3284 /* init remote displays */
3285 if (vnc_display) {
3286 vnc_display_init(ds);
3287 if (vnc_display_open(ds, vnc_display) < 0)
3288 exit(1);
3289
3290 if (show_vnc_port) {
3291 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3292 }
3293 }
3294 #endif
3295 #ifdef CONFIG_SPICE
3296 if (using_spice && !qxl_enabled) {
3297 qemu_spice_display_init(ds);
3298 }
3299 #endif
3300
3301 /* display setup */
3302 dpy_resize(ds);
3303 dcl = ds->listeners;
3304 while (dcl != NULL) {
3305 if (dcl->dpy_refresh != NULL) {
3306 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3307 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3308 break;
3309 }
3310 dcl = dcl->next;
3311 }
3312 if (ds->gui_timer == NULL) {
3313 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3314 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3315 }
3316 text_consoles_set_display(ds);
3317
3318 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3319 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3320 gdbstub_dev);
3321 exit(1);
3322 }
3323
3324 qdev_machine_creation_done();
3325
3326 if (rom_load_all() != 0) {
3327 fprintf(stderr, "rom loading failed\n");
3328 exit(1);
3329 }
3330
3331 /* TODO: once all bus devices are qdevified, this should be done
3332 * when bus is created by qdev.c */
3333 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3334 qemu_run_machine_init_done_notifiers();
3335
3336 qemu_system_reset(VMRESET_SILENT);
3337 if (loadvm) {
3338 if (load_vmstate(loadvm) < 0) {
3339 autostart = 0;
3340 }
3341 }
3342
3343 if (incoming) {
3344 int ret = qemu_start_incoming_migration(incoming);
3345 if (ret < 0) {
3346 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3347 incoming, ret);
3348 exit(ret);
3349 }
3350 } else if (autostart) {
3351 vm_start();
3352 }
3353
3354 os_setup_post();
3355
3356 main_loop();
3357 quit_timers();
3358 net_cleanup();
3359 res_free();
3360
3361 return 0;
3362 }
QEmu