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slirp: Fix unusual "comments" in unused code
[qemu.git] / vl.c
blob4b6688b5536e1f24d05c8be5bd64fd1c2602cae0
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(bool report)
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 if (report) {
1265 monitor_protocol_event(QEVENT_RESET, NULL);
1266 }
1267 cpu_synchronize_all_post_reset();
1268 }
1269
1270 void qemu_system_reset_request(void)
1271 {
1272 if (no_reboot) {
1273 shutdown_requested = 1;
1274 } else {
1275 reset_requested = 1;
1276 }
1277 cpu_stop_current();
1278 qemu_notify_event();
1279 }
1280
1281 void qemu_system_killed(int signal, pid_t pid)
1282 {
1283 shutdown_signal = signal;
1284 shutdown_pid = pid;
1285 qemu_system_shutdown_request();
1286 }
1287
1288 void qemu_system_shutdown_request(void)
1289 {
1290 shutdown_requested = 1;
1291 qemu_notify_event();
1292 }
1293
1294 void qemu_system_powerdown_request(void)
1295 {
1296 powerdown_requested = 1;
1297 qemu_notify_event();
1298 }
1299
1300 void qemu_system_debug_request(void)
1301 {
1302 debug_requested = 1;
1303 qemu_notify_event();
1304 }
1305
1306 void qemu_system_vmstop_request(int reason)
1307 {
1308 vmstop_requested = reason;
1309 qemu_notify_event();
1310 }
1311
1312 void main_loop_wait(int nonblocking)
1313 {
1314 fd_set rfds, wfds, xfds;
1315 int ret, nfds;
1316 struct timeval tv;
1317 int timeout;
1318
1319 if (nonblocking)
1320 timeout = 0;
1321 else {
1322 timeout = qemu_calculate_timeout();
1323 qemu_bh_update_timeout(&timeout);
1324 }
1325
1326 os_host_main_loop_wait(&timeout);
1327
1328 tv.tv_sec = timeout / 1000;
1329 tv.tv_usec = (timeout % 1000) * 1000;
1330
1331 /* poll any events */
1332 /* XXX: separate device handlers from system ones */
1333 nfds = -1;
1334 FD_ZERO(&rfds);
1335 FD_ZERO(&wfds);
1336 FD_ZERO(&xfds);
1337 qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds);
1338 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1339
1340 qemu_mutex_unlock_iothread();
1341 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1342 qemu_mutex_lock_iothread();
1343
1344 qemu_iohandler_poll(&rfds, &wfds, &xfds, ret);
1345 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1346
1347 qemu_run_all_timers();
1348
1349 /* Check bottom-halves last in case any of the earlier events triggered
1350 them. */
1351 qemu_bh_poll();
1352
1353 }
1354
1355 #ifndef CONFIG_IOTHREAD
1356 static int vm_request_pending(void)
1357 {
1358 return powerdown_requested ||
1359 reset_requested ||
1360 shutdown_requested ||
1361 debug_requested ||
1362 vmstop_requested;
1363 }
1364 #endif
1365
1366 qemu_irq qemu_system_powerdown;
1367
1368 static void main_loop(void)
1369 {
1370 bool nonblocking = false;
1371 #ifdef CONFIG_PROFILER
1372 int64_t ti;
1373 #endif
1374 int r;
1375
1376 qemu_main_loop_start();
1377
1378 for (;;) {
1379 #ifndef CONFIG_IOTHREAD
1380 nonblocking = cpu_exec_all();
1381 if (vm_request_pending()) {
1382 nonblocking = true;
1383 }
1384 #endif
1385 #ifdef CONFIG_PROFILER
1386 ti = profile_getclock();
1387 #endif
1388 main_loop_wait(nonblocking);
1389 #ifdef CONFIG_PROFILER
1390 dev_time += profile_getclock() - ti;
1391 #endif
1392
1393 if (qemu_debug_requested()) {
1394 vm_stop(VMSTOP_DEBUG);
1395 }
1396 if (qemu_shutdown_requested()) {
1397 qemu_kill_report();
1398 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1399 if (no_shutdown) {
1400 vm_stop(VMSTOP_SHUTDOWN);
1401 } else
1402 break;
1403 }
1404 if (qemu_reset_requested()) {
1405 pause_all_vcpus();
1406 cpu_synchronize_all_states();
1407 qemu_system_reset(VMRESET_REPORT);
1408 resume_all_vcpus();
1409 }
1410 if (qemu_powerdown_requested()) {
1411 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1412 qemu_irq_raise(qemu_system_powerdown);
1413 }
1414 if ((r = qemu_vmstop_requested())) {
1415 vm_stop(r);
1416 }
1417 }
1418 bdrv_close_all();
1419 pause_all_vcpus();
1420 }
1421
1422 static void version(void)
1423 {
1424 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1425 }
1426
1427 static void help(int exitcode)
1428 {
1429 const char *options_help =
1430 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1431 opt_help
1432 #define DEFHEADING(text) stringify(text) "\n"
1433 #include "qemu-options.def"
1434 #undef DEF
1435 #undef DEFHEADING
1436 #undef GEN_DOCS
1437 ;
1438 version();
1439 printf("usage: %s [options] [disk_image]\n"
1440 "\n"
1441 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
1442 "\n"
1443 "%s\n"
1444 "During emulation, the following keys are useful:\n"
1445 "ctrl-alt-f toggle full screen\n"
1446 "ctrl-alt-n switch to virtual console 'n'\n"
1447 "ctrl-alt toggle mouse and keyboard grab\n"
1448 "\n"
1449 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1450 "qemu",
1451 options_help);
1452 exit(exitcode);
1453 }
1454
1455 #define HAS_ARG 0x0001
1456
1457 typedef struct QEMUOption {
1458 const char *name;
1459 int flags;
1460 int index;
1461 uint32_t arch_mask;
1462 } QEMUOption;
1463
1464 static const QEMUOption qemu_options[] = {
1465 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1466 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1467 { option, opt_arg, opt_enum, arch_mask },
1468 #define DEFHEADING(text)
1469 #include "qemu-options.def"
1470 #undef DEF
1471 #undef DEFHEADING
1472 #undef GEN_DOCS
1473 { NULL },
1474 };
1475 static void select_vgahw (const char *p)
1476 {
1477 const char *opts;
1478
1479 default_vga = 0;
1480 vga_interface_type = VGA_NONE;
1481 if (strstart(p, "std", &opts)) {
1482 vga_interface_type = VGA_STD;
1483 } else if (strstart(p, "cirrus", &opts)) {
1484 vga_interface_type = VGA_CIRRUS;
1485 } else if (strstart(p, "vmware", &opts)) {
1486 vga_interface_type = VGA_VMWARE;
1487 } else if (strstart(p, "xenfb", &opts)) {
1488 vga_interface_type = VGA_XENFB;
1489 } else if (strstart(p, "qxl", &opts)) {
1490 vga_interface_type = VGA_QXL;
1491 } else if (!strstart(p, "none", &opts)) {
1492 invalid_vga:
1493 fprintf(stderr, "Unknown vga type: %s\n", p);
1494 exit(1);
1495 }
1496 while (*opts) {
1497 const char *nextopt;
1498
1499 if (strstart(opts, ",retrace=", &nextopt)) {
1500 opts = nextopt;
1501 if (strstart(opts, "dumb", &nextopt))
1502 vga_retrace_method = VGA_RETRACE_DUMB;
1503 else if (strstart(opts, "precise", &nextopt))
1504 vga_retrace_method = VGA_RETRACE_PRECISE;
1505 else goto invalid_vga;
1506 } else goto invalid_vga;
1507 opts = nextopt;
1508 }
1509 }
1510
1511 static DisplayType select_display(const char *p)
1512 {
1513 const char *opts;
1514 DisplayType display = DT_DEFAULT;
1515
1516 if (strstart(p, "sdl", &opts)) {
1517 #ifdef CONFIG_SDL
1518 display = DT_SDL;
1519 while (*opts) {
1520 const char *nextopt;
1521
1522 if (strstart(opts, ",frame=", &nextopt)) {
1523 opts = nextopt;
1524 if (strstart(opts, "on", &nextopt)) {
1525 no_frame = 0;
1526 } else if (strstart(opts, "off", &nextopt)) {
1527 no_frame = 1;
1528 } else {
1529 goto invalid_sdl_args;
1530 }
1531 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1532 opts = nextopt;
1533 if (strstart(opts, "on", &nextopt)) {
1534 alt_grab = 1;
1535 } else if (strstart(opts, "off", &nextopt)) {
1536 alt_grab = 0;
1537 } else {
1538 goto invalid_sdl_args;
1539 }
1540 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1541 opts = nextopt;
1542 if (strstart(opts, "on", &nextopt)) {
1543 ctrl_grab = 1;
1544 } else if (strstart(opts, "off", &nextopt)) {
1545 ctrl_grab = 0;
1546 } else {
1547 goto invalid_sdl_args;
1548 }
1549 } else if (strstart(opts, ",window_close=", &nextopt)) {
1550 opts = nextopt;
1551 if (strstart(opts, "on", &nextopt)) {
1552 no_quit = 0;
1553 } else if (strstart(opts, "off", &nextopt)) {
1554 no_quit = 1;
1555 } else {
1556 goto invalid_sdl_args;
1557 }
1558 } else {
1559 invalid_sdl_args:
1560 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1561 exit(1);
1562 }
1563 opts = nextopt;
1564 }
1565 #else
1566 fprintf(stderr, "SDL support is disabled\n");
1567 exit(1);
1568 #endif
1569 } else if (strstart(p, "vnc", &opts)) {
1570 #ifdef CONFIG_VNC
1571 display_remote++;
1572
1573 if (*opts) {
1574 const char *nextopt;
1575
1576 if (strstart(opts, "=", &nextopt)) {
1577 vnc_display = nextopt;
1578 }
1579 }
1580 if (!vnc_display) {
1581 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1582 exit(1);
1583 }
1584 #else
1585 fprintf(stderr, "VNC support is disabled\n");
1586 exit(1);
1587 #endif
1588 } else if (strstart(p, "curses", &opts)) {
1589 #ifdef CONFIG_CURSES
1590 display = DT_CURSES;
1591 #else
1592 fprintf(stderr, "Curses support is disabled\n");
1593 exit(1);
1594 #endif
1595 } else if (strstart(p, "none", &opts)) {
1596 display = DT_NONE;
1597 } else {
1598 fprintf(stderr, "Unknown display type: %s\n", p);
1599 exit(1);
1600 }
1601
1602 return display;
1603 }
1604
1605 static int balloon_parse(const char *arg)
1606 {
1607 QemuOpts *opts;
1608
1609 if (strcmp(arg, "none") == 0) {
1610 return 0;
1611 }
1612
1613 if (!strncmp(arg, "virtio", 6)) {
1614 if (arg[6] == ',') {
1615 /* have params -> parse them */
1616 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1617 if (!opts)
1618 return -1;
1619 } else {
1620 /* create empty opts */
1621 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1622 }
1623 qemu_opt_set(opts, "driver", "virtio-balloon");
1624 return 0;
1625 }
1626
1627 return -1;
1628 }
1629
1630 char *qemu_find_file(int type, const char *name)
1631 {
1632 int len;
1633 const char *subdir;
1634 char *buf;
1635
1636 /* If name contains path separators then try it as a straight path. */
1637 if ((strchr(name, '/') || strchr(name, '\\'))
1638 && access(name, R_OK) == 0) {
1639 return qemu_strdup(name);
1640 }
1641 switch (type) {
1642 case QEMU_FILE_TYPE_BIOS:
1643 subdir = "";
1644 break;
1645 case QEMU_FILE_TYPE_KEYMAP:
1646 subdir = "keymaps/";
1647 break;
1648 default:
1649 abort();
1650 }
1651 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1652 buf = qemu_mallocz(len);
1653 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1654 if (access(buf, R_OK)) {
1655 qemu_free(buf);
1656 return NULL;
1657 }
1658 return buf;
1659 }
1660
1661 static int device_help_func(QemuOpts *opts, void *opaque)
1662 {
1663 return qdev_device_help(opts);
1664 }
1665
1666 static int device_init_func(QemuOpts *opts, void *opaque)
1667 {
1668 DeviceState *dev;
1669
1670 dev = qdev_device_add(opts);
1671 if (!dev)
1672 return -1;
1673 return 0;
1674 }
1675
1676 static int chardev_init_func(QemuOpts *opts, void *opaque)
1677 {
1678 CharDriverState *chr;
1679
1680 chr = qemu_chr_open_opts(opts, NULL);
1681 if (!chr)
1682 return -1;
1683 return 0;
1684 }
1685
1686 #ifdef CONFIG_VIRTFS
1687 static int fsdev_init_func(QemuOpts *opts, void *opaque)
1688 {
1689 int ret;
1690 ret = qemu_fsdev_add(opts);
1691
1692 return ret;
1693 }
1694 #endif
1695
1696 static int mon_init_func(QemuOpts *opts, void *opaque)
1697 {
1698 CharDriverState *chr;
1699 const char *chardev;
1700 const char *mode;
1701 int flags;
1702
1703 mode = qemu_opt_get(opts, "mode");
1704 if (mode == NULL) {
1705 mode = "readline";
1706 }
1707 if (strcmp(mode, "readline") == 0) {
1708 flags = MONITOR_USE_READLINE;
1709 } else if (strcmp(mode, "control") == 0) {
1710 flags = MONITOR_USE_CONTROL;
1711 } else {
1712 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1713 exit(1);
1714 }
1715
1716 if (qemu_opt_get_bool(opts, "pretty", 0))
1717 flags |= MONITOR_USE_PRETTY;
1718
1719 if (qemu_opt_get_bool(opts, "default", 0))
1720 flags |= MONITOR_IS_DEFAULT;
1721
1722 chardev = qemu_opt_get(opts, "chardev");
1723 chr = qemu_chr_find(chardev);
1724 if (chr == NULL) {
1725 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1726 exit(1);
1727 }
1728
1729 monitor_init(chr, flags);
1730 return 0;
1731 }
1732
1733 static void monitor_parse(const char *optarg, const char *mode)
1734 {
1735 static int monitor_device_index = 0;
1736 QemuOpts *opts;
1737 const char *p;
1738 char label[32];
1739 int def = 0;
1740
1741 if (strstart(optarg, "chardev:", &p)) {
1742 snprintf(label, sizeof(label), "%s", p);
1743 } else {
1744 snprintf(label, sizeof(label), "compat_monitor%d",
1745 monitor_device_index);
1746 if (monitor_device_index == 0) {
1747 def = 1;
1748 }
1749 opts = qemu_chr_parse_compat(label, optarg);
1750 if (!opts) {
1751 fprintf(stderr, "parse error: %s\n", optarg);
1752 exit(1);
1753 }
1754 }
1755
1756 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1757 if (!opts) {
1758 fprintf(stderr, "duplicate chardev: %s\n", label);
1759 exit(1);
1760 }
1761 qemu_opt_set(opts, "mode", mode);
1762 qemu_opt_set(opts, "chardev", label);
1763 if (def)
1764 qemu_opt_set(opts, "default", "on");
1765 monitor_device_index++;
1766 }
1767
1768 struct device_config {
1769 enum {
1770 DEV_USB, /* -usbdevice */
1771 DEV_BT, /* -bt */
1772 DEV_SERIAL, /* -serial */
1773 DEV_PARALLEL, /* -parallel */
1774 DEV_VIRTCON, /* -virtioconsole */
1775 DEV_DEBUGCON, /* -debugcon */
1776 } type;
1777 const char *cmdline;
1778 QTAILQ_ENTRY(device_config) next;
1779 };
1780 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1781
1782 static void add_device_config(int type, const char *cmdline)
1783 {
1784 struct device_config *conf;
1785
1786 conf = qemu_mallocz(sizeof(*conf));
1787 conf->type = type;
1788 conf->cmdline = cmdline;
1789 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1790 }
1791
1792 static int foreach_device_config(int type, int (*func)(const char *cmdline))
1793 {
1794 struct device_config *conf;
1795 int rc;
1796
1797 QTAILQ_FOREACH(conf, &device_configs, next) {
1798 if (conf->type != type)
1799 continue;
1800 rc = func(conf->cmdline);
1801 if (0 != rc)
1802 return rc;
1803 }
1804 return 0;
1805 }
1806
1807 static int serial_parse(const char *devname)
1808 {
1809 static int index = 0;
1810 char label[32];
1811
1812 if (strcmp(devname, "none") == 0)
1813 return 0;
1814 if (index == MAX_SERIAL_PORTS) {
1815 fprintf(stderr, "qemu: too many serial ports\n");
1816 exit(1);
1817 }
1818 snprintf(label, sizeof(label), "serial%d", index);
1819 serial_hds[index] = qemu_chr_open(label, devname, NULL);
1820 if (!serial_hds[index]) {
1821 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1822 devname, strerror(errno));
1823 return -1;
1824 }
1825 index++;
1826 return 0;
1827 }
1828
1829 static int parallel_parse(const char *devname)
1830 {
1831 static int index = 0;
1832 char label[32];
1833
1834 if (strcmp(devname, "none") == 0)
1835 return 0;
1836 if (index == MAX_PARALLEL_PORTS) {
1837 fprintf(stderr, "qemu: too many parallel ports\n");
1838 exit(1);
1839 }
1840 snprintf(label, sizeof(label), "parallel%d", index);
1841 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
1842 if (!parallel_hds[index]) {
1843 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
1844 devname, strerror(errno));
1845 return -1;
1846 }
1847 index++;
1848 return 0;
1849 }
1850
1851 static int virtcon_parse(const char *devname)
1852 {
1853 QemuOptsList *device = qemu_find_opts("device");
1854 static int index = 0;
1855 char label[32];
1856 QemuOpts *bus_opts, *dev_opts;
1857
1858 if (strcmp(devname, "none") == 0)
1859 return 0;
1860 if (index == MAX_VIRTIO_CONSOLES) {
1861 fprintf(stderr, "qemu: too many virtio consoles\n");
1862 exit(1);
1863 }
1864
1865 bus_opts = qemu_opts_create(device, NULL, 0);
1866 qemu_opt_set(bus_opts, "driver", "virtio-serial");
1867
1868 dev_opts = qemu_opts_create(device, NULL, 0);
1869 qemu_opt_set(dev_opts, "driver", "virtconsole");
1870
1871 snprintf(label, sizeof(label), "virtcon%d", index);
1872 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
1873 if (!virtcon_hds[index]) {
1874 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
1875 devname, strerror(errno));
1876 return -1;
1877 }
1878 qemu_opt_set(dev_opts, "chardev", label);
1879
1880 index++;
1881 return 0;
1882 }
1883
1884 static int debugcon_parse(const char *devname)
1885 {
1886 QemuOpts *opts;
1887
1888 if (!qemu_chr_open("debugcon", devname, NULL)) {
1889 exit(1);
1890 }
1891 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
1892 if (!opts) {
1893 fprintf(stderr, "qemu: already have a debugcon device\n");
1894 exit(1);
1895 }
1896 qemu_opt_set(opts, "driver", "isa-debugcon");
1897 qemu_opt_set(opts, "chardev", "debugcon");
1898 return 0;
1899 }
1900
1901 static QEMUMachine *machine_parse(const char *name)
1902 {
1903 QEMUMachine *m, *machine = NULL;
1904
1905 if (name) {
1906 machine = find_machine(name);
1907 }
1908 if (machine) {
1909 return machine;
1910 }
1911 printf("Supported machines are:\n");
1912 for (m = first_machine; m != NULL; m = m->next) {
1913 if (m->alias) {
1914 printf("%-10s %s (alias of %s)\n", m->alias, m->desc, m->name);
1915 }
1916 printf("%-10s %s%s\n", m->name, m->desc,
1917 m->is_default ? " (default)" : "");
1918 }
1919 exit(!name || *name != '?');
1920 }
1921
1922 static int tcg_init(void)
1923 {
1924 return 0;
1925 }
1926
1927 static struct {
1928 const char *opt_name;
1929 const char *name;
1930 int (*available)(void);
1931 int (*init)(void);
1932 int *allowed;
1933 } accel_list[] = {
1934 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
1935 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
1936 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
1937 };
1938
1939 static int configure_accelerator(void)
1940 {
1941 const char *p = NULL;
1942 char buf[10];
1943 int i, ret;
1944 bool accel_initalised = 0;
1945 bool init_failed = 0;
1946
1947 QemuOptsList *list = qemu_find_opts("machine");
1948 if (!QTAILQ_EMPTY(&list->head)) {
1949 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
1950 }
1951
1952 if (p == NULL) {
1953 /* Use the default "accelerator", tcg */
1954 p = "tcg";
1955 }
1956
1957 while (!accel_initalised && *p != '\0') {
1958 if (*p == ':') {
1959 p++;
1960 }
1961 p = get_opt_name(buf, sizeof (buf), p, ':');
1962 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
1963 if (strcmp(accel_list[i].opt_name, buf) == 0) {
1964 *(accel_list[i].allowed) = 1;
1965 ret = accel_list[i].init();
1966 if (ret < 0) {
1967 init_failed = 1;
1968 if (!accel_list[i].available()) {
1969 printf("%s not supported for this target\n",
1970 accel_list[i].name);
1971 } else {
1972 fprintf(stderr, "failed to initialize %s: %s\n",
1973 accel_list[i].name,
1974 strerror(-ret));
1975 }
1976 *(accel_list[i].allowed) = 0;
1977 } else {
1978 accel_initalised = 1;
1979 }
1980 break;
1981 }
1982 }
1983 if (i == ARRAY_SIZE(accel_list)) {
1984 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
1985 }
1986 }
1987
1988 if (!accel_initalised) {
1989 fprintf(stderr, "No accelerator found!\n");
1990 exit(1);
1991 }
1992
1993 if (init_failed) {
1994 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
1995 }
1996
1997 return !accel_initalised;
1998 }
1999
2000 void qemu_add_exit_notifier(Notifier *notify)
2001 {
2002 notifier_list_add(&exit_notifiers, notify);
2003 }
2004
2005 void qemu_remove_exit_notifier(Notifier *notify)
2006 {
2007 notifier_list_remove(&exit_notifiers, notify);
2008 }
2009
2010 static void qemu_run_exit_notifiers(void)
2011 {
2012 notifier_list_notify(&exit_notifiers, NULL);
2013 }
2014
2015 void qemu_add_machine_init_done_notifier(Notifier *notify)
2016 {
2017 notifier_list_add(&machine_init_done_notifiers, notify);
2018 }
2019
2020 static void qemu_run_machine_init_done_notifiers(void)
2021 {
2022 notifier_list_notify(&machine_init_done_notifiers, NULL);
2023 }
2024
2025 static const QEMUOption *lookup_opt(int argc, char **argv,
2026 const char **poptarg, int *poptind)
2027 {
2028 const QEMUOption *popt;
2029 int optind = *poptind;
2030 char *r = argv[optind];
2031 const char *optarg;
2032
2033 loc_set_cmdline(argv, optind, 1);
2034 optind++;
2035 /* Treat --foo the same as -foo. */
2036 if (r[1] == '-')
2037 r++;
2038 popt = qemu_options;
2039 for(;;) {
2040 if (!popt->name) {
2041 error_report("invalid option");
2042 exit(1);
2043 }
2044 if (!strcmp(popt->name, r + 1))
2045 break;
2046 popt++;
2047 }
2048 if (popt->flags & HAS_ARG) {
2049 if (optind >= argc) {
2050 error_report("requires an argument");
2051 exit(1);
2052 }
2053 optarg = argv[optind++];
2054 loc_set_cmdline(argv, optind - 2, 2);
2055 } else {
2056 optarg = NULL;
2057 }
2058
2059 *poptarg = optarg;
2060 *poptind = optind;
2061
2062 return popt;
2063 }
2064
2065 int main(int argc, char **argv, char **envp)
2066 {
2067 const char *gdbstub_dev = NULL;
2068 int i;
2069 int snapshot, linux_boot;
2070 const char *icount_option = NULL;
2071 const char *initrd_filename;
2072 const char *kernel_filename, *kernel_cmdline;
2073 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2074 DisplayState *ds;
2075 DisplayChangeListener *dcl;
2076 int cyls, heads, secs, translation;
2077 QemuOpts *hda_opts = NULL, *opts;
2078 QemuOptsList *olist;
2079 int optind;
2080 const char *optarg;
2081 const char *loadvm = NULL;
2082 QEMUMachine *machine;
2083 const char *cpu_model;
2084 int tb_size;
2085 const char *pid_file = NULL;
2086 const char *incoming = NULL;
2087 #ifdef CONFIG_VNC
2088 int show_vnc_port = 0;
2089 #endif
2090 int defconfig = 1;
2091 const char *trace_file = NULL;
2092 const char *log_mask = NULL;
2093 const char *log_file = NULL;
2094
2095 atexit(qemu_run_exit_notifiers);
2096 error_set_progname(argv[0]);
2097
2098 init_clocks();
2099
2100 qemu_cache_utils_init(envp);
2101
2102 QLIST_INIT (&vm_change_state_head);
2103 os_setup_early_signal_handling();
2104
2105 module_call_init(MODULE_INIT_MACHINE);
2106 machine = find_default_machine();
2107 cpu_model = NULL;
2108 initrd_filename = NULL;
2109 ram_size = 0;
2110 snapshot = 0;
2111 kernel_filename = NULL;
2112 kernel_cmdline = "";
2113 cyls = heads = secs = 0;
2114 translation = BIOS_ATA_TRANSLATION_AUTO;
2115
2116 for (i = 0; i < MAX_NODES; i++) {
2117 node_mem[i] = 0;
2118 node_cpumask[i] = 0;
2119 }
2120
2121 nb_numa_nodes = 0;
2122 nb_nics = 0;
2123
2124 tb_size = 0;
2125 autostart= 1;
2126
2127 /* first pass of option parsing */
2128 optind = 1;
2129 while (optind < argc) {
2130 if (argv[optind][0] != '-') {
2131 /* disk image */
2132 optind++;
2133 continue;
2134 } else {
2135 const QEMUOption *popt;
2136
2137 popt = lookup_opt(argc, argv, &optarg, &optind);
2138 switch (popt->index) {
2139 case QEMU_OPTION_nodefconfig:
2140 defconfig=0;
2141 break;
2142 }
2143 }
2144 }
2145
2146 if (defconfig) {
2147 int ret;
2148
2149 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2150 if (ret < 0 && ret != -ENOENT) {
2151 exit(1);
2152 }
2153
2154 ret = qemu_read_config_file(arch_config_name);
2155 if (ret < 0 && ret != -ENOENT) {
2156 exit(1);
2157 }
2158 }
2159 cpudef_init();
2160
2161 /* second pass of option parsing */
2162 optind = 1;
2163 for(;;) {
2164 if (optind >= argc)
2165 break;
2166 if (argv[optind][0] != '-') {
2167 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2168 } else {
2169 const QEMUOption *popt;
2170
2171 popt = lookup_opt(argc, argv, &optarg, &optind);
2172 if (!(popt->arch_mask & arch_type)) {
2173 printf("Option %s not supported for this target\n", popt->name);
2174 exit(1);
2175 }
2176 switch(popt->index) {
2177 case QEMU_OPTION_M:
2178 machine = machine_parse(optarg);
2179 break;
2180 case QEMU_OPTION_cpu:
2181 /* hw initialization will check this */
2182 if (*optarg == '?') {
2183 list_cpus(stdout, &fprintf, optarg);
2184 exit(0);
2185 } else {
2186 cpu_model = optarg;
2187 }
2188 break;
2189 case QEMU_OPTION_initrd:
2190 initrd_filename = optarg;
2191 break;
2192 case QEMU_OPTION_hda:
2193 {
2194 char buf[256];
2195 if (cyls == 0)
2196 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2197 else
2198 snprintf(buf, sizeof(buf),
2199 "%s,cyls=%d,heads=%d,secs=%d%s",
2200 HD_OPTS , cyls, heads, secs,
2201 translation == BIOS_ATA_TRANSLATION_LBA ?
2202 ",trans=lba" :
2203 translation == BIOS_ATA_TRANSLATION_NONE ?
2204 ",trans=none" : "");
2205 drive_add(IF_DEFAULT, 0, optarg, buf);
2206 break;
2207 }
2208 case QEMU_OPTION_hdb:
2209 case QEMU_OPTION_hdc:
2210 case QEMU_OPTION_hdd:
2211 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2212 HD_OPTS);
2213 break;
2214 case QEMU_OPTION_drive:
2215 if (drive_def(optarg) == NULL) {
2216 exit(1);
2217 }
2218 break;
2219 case QEMU_OPTION_set:
2220 if (qemu_set_option(optarg) != 0)
2221 exit(1);
2222 break;
2223 case QEMU_OPTION_global:
2224 if (qemu_global_option(optarg) != 0)
2225 exit(1);
2226 break;
2227 case QEMU_OPTION_mtdblock:
2228 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2229 break;
2230 case QEMU_OPTION_sd:
2231 drive_add(IF_SD, 0, optarg, SD_OPTS);
2232 break;
2233 case QEMU_OPTION_pflash:
2234 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2235 break;
2236 case QEMU_OPTION_snapshot:
2237 snapshot = 1;
2238 break;
2239 case QEMU_OPTION_hdachs:
2240 {
2241 const char *p;
2242 p = optarg;
2243 cyls = strtol(p, (char **)&p, 0);
2244 if (cyls < 1 || cyls > 16383)
2245 goto chs_fail;
2246 if (*p != ',')
2247 goto chs_fail;
2248 p++;
2249 heads = strtol(p, (char **)&p, 0);
2250 if (heads < 1 || heads > 16)
2251 goto chs_fail;
2252 if (*p != ',')
2253 goto chs_fail;
2254 p++;
2255 secs = strtol(p, (char **)&p, 0);
2256 if (secs < 1 || secs > 63)
2257 goto chs_fail;
2258 if (*p == ',') {
2259 p++;
2260 if (!strcmp(p, "none"))
2261 translation = BIOS_ATA_TRANSLATION_NONE;
2262 else if (!strcmp(p, "lba"))
2263 translation = BIOS_ATA_TRANSLATION_LBA;
2264 else if (!strcmp(p, "auto"))
2265 translation = BIOS_ATA_TRANSLATION_AUTO;
2266 else
2267 goto chs_fail;
2268 } else if (*p != '\0') {
2269 chs_fail:
2270 fprintf(stderr, "qemu: invalid physical CHS format\n");
2271 exit(1);
2272 }
2273 if (hda_opts != NULL) {
2274 char num[16];
2275 snprintf(num, sizeof(num), "%d", cyls);
2276 qemu_opt_set(hda_opts, "cyls", num);
2277 snprintf(num, sizeof(num), "%d", heads);
2278 qemu_opt_set(hda_opts, "heads", num);
2279 snprintf(num, sizeof(num), "%d", secs);
2280 qemu_opt_set(hda_opts, "secs", num);
2281 if (translation == BIOS_ATA_TRANSLATION_LBA)
2282 qemu_opt_set(hda_opts, "trans", "lba");
2283 if (translation == BIOS_ATA_TRANSLATION_NONE)
2284 qemu_opt_set(hda_opts, "trans", "none");
2285 }
2286 }
2287 break;
2288 case QEMU_OPTION_numa:
2289 if (nb_numa_nodes >= MAX_NODES) {
2290 fprintf(stderr, "qemu: too many NUMA nodes\n");
2291 exit(1);
2292 }
2293 numa_add(optarg);
2294 break;
2295 case QEMU_OPTION_display:
2296 display_type = select_display(optarg);
2297 break;
2298 case QEMU_OPTION_nographic:
2299 display_type = DT_NOGRAPHIC;
2300 break;
2301 case QEMU_OPTION_curses:
2302 #ifdef CONFIG_CURSES
2303 display_type = DT_CURSES;
2304 #else
2305 fprintf(stderr, "Curses support is disabled\n");
2306 exit(1);
2307 #endif
2308 break;
2309 case QEMU_OPTION_portrait:
2310 graphic_rotate = 90;
2311 break;
2312 case QEMU_OPTION_rotate:
2313 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2314 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2315 graphic_rotate != 180 && graphic_rotate != 270) {
2316 fprintf(stderr,
2317 "qemu: only 90, 180, 270 deg rotation is available\n");
2318 exit(1);
2319 }
2320 break;
2321 case QEMU_OPTION_kernel:
2322 kernel_filename = optarg;
2323 break;
2324 case QEMU_OPTION_append:
2325 kernel_cmdline = optarg;
2326 break;
2327 case QEMU_OPTION_cdrom:
2328 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2329 break;
2330 case QEMU_OPTION_boot:
2331 {
2332 static const char * const params[] = {
2333 "order", "once", "menu", NULL
2334 };
2335 char buf[sizeof(boot_devices)];
2336 char *standard_boot_devices;
2337 int legacy = 0;
2338
2339 if (!strchr(optarg, '=')) {
2340 legacy = 1;
2341 pstrcpy(buf, sizeof(buf), optarg);
2342 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2343 fprintf(stderr,
2344 "qemu: unknown boot parameter '%s' in '%s'\n",
2345 buf, optarg);
2346 exit(1);
2347 }
2348
2349 if (legacy ||
2350 get_param_value(buf, sizeof(buf), "order", optarg)) {
2351 validate_bootdevices(buf);
2352 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2353 }
2354 if (!legacy) {
2355 if (get_param_value(buf, sizeof(buf),
2356 "once", optarg)) {
2357 validate_bootdevices(buf);
2358 standard_boot_devices = qemu_strdup(boot_devices);
2359 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2360 qemu_register_reset(restore_boot_devices,
2361 standard_boot_devices);
2362 }
2363 if (get_param_value(buf, sizeof(buf),
2364 "menu", optarg)) {
2365 if (!strcmp(buf, "on")) {
2366 boot_menu = 1;
2367 } else if (!strcmp(buf, "off")) {
2368 boot_menu = 0;
2369 } else {
2370 fprintf(stderr,
2371 "qemu: invalid option value '%s'\n",
2372 buf);
2373 exit(1);
2374 }
2375 }
2376 }
2377 }
2378 break;
2379 case QEMU_OPTION_fda:
2380 case QEMU_OPTION_fdb:
2381 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2382 optarg, FD_OPTS);
2383 break;
2384 case QEMU_OPTION_no_fd_bootchk:
2385 fd_bootchk = 0;
2386 break;
2387 case QEMU_OPTION_netdev:
2388 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2389 exit(1);
2390 }
2391 break;
2392 case QEMU_OPTION_net:
2393 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2394 exit(1);
2395 }
2396 break;
2397 #ifdef CONFIG_SLIRP
2398 case QEMU_OPTION_tftp:
2399 legacy_tftp_prefix = optarg;
2400 break;
2401 case QEMU_OPTION_bootp:
2402 legacy_bootp_filename = optarg;
2403 break;
2404 case QEMU_OPTION_redir:
2405 if (net_slirp_redir(optarg) < 0)
2406 exit(1);
2407 break;
2408 #endif
2409 case QEMU_OPTION_bt:
2410 add_device_config(DEV_BT, optarg);
2411 break;
2412 case QEMU_OPTION_audio_help:
2413 if (!(audio_available())) {
2414 printf("Option %s not supported for this target\n", popt->name);
2415 exit(1);
2416 }
2417 AUD_help ();
2418 exit (0);
2419 break;
2420 case QEMU_OPTION_soundhw:
2421 if (!(audio_available())) {
2422 printf("Option %s not supported for this target\n", popt->name);
2423 exit(1);
2424 }
2425 select_soundhw (optarg);
2426 break;
2427 case QEMU_OPTION_h:
2428 help(0);
2429 break;
2430 case QEMU_OPTION_version:
2431 version();
2432 exit(0);
2433 break;
2434 case QEMU_OPTION_m: {
2435 int64_t value;
2436
2437 value = strtosz(optarg, NULL);
2438 if (value < 0) {
2439 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2440 exit(1);
2441 }
2442
2443 /* On 32-bit hosts, QEMU is limited by virtual address space */
2444 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
2445 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2446 exit(1);
2447 }
2448 if (value != (uint64_t)(ram_addr_t)value) {
2449 fprintf(stderr, "qemu: ram size too large\n");
2450 exit(1);
2451 }
2452 ram_size = value;
2453 break;
2454 }
2455 case QEMU_OPTION_mempath:
2456 mem_path = optarg;
2457 break;
2458 #ifdef MAP_POPULATE
2459 case QEMU_OPTION_mem_prealloc:
2460 mem_prealloc = 1;
2461 break;
2462 #endif
2463 case QEMU_OPTION_d:
2464 log_mask = optarg;
2465 break;
2466 case QEMU_OPTION_D:
2467 log_file = optarg;
2468 break;
2469 case QEMU_OPTION_s:
2470 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
2471 break;
2472 case QEMU_OPTION_gdb:
2473 gdbstub_dev = optarg;
2474 break;
2475 case QEMU_OPTION_L:
2476 data_dir = optarg;
2477 break;
2478 case QEMU_OPTION_bios:
2479 bios_name = optarg;
2480 break;
2481 case QEMU_OPTION_singlestep:
2482 singlestep = 1;
2483 break;
2484 case QEMU_OPTION_S:
2485 autostart = 0;
2486 break;
2487 case QEMU_OPTION_k:
2488 keyboard_layout = optarg;
2489 break;
2490 case QEMU_OPTION_localtime:
2491 rtc_utc = 0;
2492 break;
2493 case QEMU_OPTION_vga:
2494 select_vgahw (optarg);
2495 break;
2496 case QEMU_OPTION_g:
2497 {
2498 const char *p;
2499 int w, h, depth;
2500 p = optarg;
2501 w = strtol(p, (char **)&p, 10);
2502 if (w <= 0) {
2503 graphic_error:
2504 fprintf(stderr, "qemu: invalid resolution or depth\n");
2505 exit(1);
2506 }
2507 if (*p != 'x')
2508 goto graphic_error;
2509 p++;
2510 h = strtol(p, (char **)&p, 10);
2511 if (h <= 0)
2512 goto graphic_error;
2513 if (*p == 'x') {
2514 p++;
2515 depth = strtol(p, (char **)&p, 10);
2516 if (depth != 8 && depth != 15 && depth != 16 &&
2517 depth != 24 && depth != 32)
2518 goto graphic_error;
2519 } else if (*p == '\0') {
2520 depth = graphic_depth;
2521 } else {
2522 goto graphic_error;
2523 }
2524
2525 graphic_width = w;
2526 graphic_height = h;
2527 graphic_depth = depth;
2528 }
2529 break;
2530 case QEMU_OPTION_echr:
2531 {
2532 char *r;
2533 term_escape_char = strtol(optarg, &r, 0);
2534 if (r == optarg)
2535 printf("Bad argument to echr\n");
2536 break;
2537 }
2538 case QEMU_OPTION_monitor:
2539 monitor_parse(optarg, "readline");
2540 default_monitor = 0;
2541 break;
2542 case QEMU_OPTION_qmp:
2543 monitor_parse(optarg, "control");
2544 default_monitor = 0;
2545 break;
2546 case QEMU_OPTION_mon:
2547 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2548 if (!opts) {
2549 exit(1);
2550 }
2551 default_monitor = 0;
2552 break;
2553 case QEMU_OPTION_chardev:
2554 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2555 if (!opts) {
2556 exit(1);
2557 }
2558 break;
2559 case QEMU_OPTION_fsdev:
2560 olist = qemu_find_opts("fsdev");
2561 if (!olist) {
2562 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2563 exit(1);
2564 }
2565 opts = qemu_opts_parse(olist, optarg, 1);
2566 if (!opts) {
2567 fprintf(stderr, "parse error: %s\n", optarg);
2568 exit(1);
2569 }
2570 break;
2571 case QEMU_OPTION_virtfs: {
2572 QemuOpts *fsdev;
2573 QemuOpts *device;
2574
2575 olist = qemu_find_opts("virtfs");
2576 if (!olist) {
2577 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2578 exit(1);
2579 }
2580 opts = qemu_opts_parse(olist, optarg, 1);
2581 if (!opts) {
2582 fprintf(stderr, "parse error: %s\n", optarg);
2583 exit(1);
2584 }
2585
2586 if (qemu_opt_get(opts, "fstype") == NULL ||
2587 qemu_opt_get(opts, "mount_tag") == NULL ||
2588 qemu_opt_get(opts, "path") == NULL ||
2589 qemu_opt_get(opts, "security_model") == NULL) {
2590 fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
2591 "security_model=[mapped|passthrough|none],"
2592 "mount_tag=tag.\n");
2593 exit(1);
2594 }
2595
2596 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2597 qemu_opt_get(opts, "mount_tag"), 1);
2598 if (!fsdev) {
2599 fprintf(stderr, "duplicate fsdev id: %s\n",
2600 qemu_opt_get(opts, "mount_tag"));
2601 exit(1);
2602 }
2603 qemu_opt_set(fsdev, "fstype", qemu_opt_get(opts, "fstype"));
2604 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2605 qemu_opt_set(fsdev, "security_model",
2606 qemu_opt_get(opts, "security_model"));
2607
2608 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2609 qemu_opt_set(device, "driver", "virtio-9p-pci");
2610 qemu_opt_set(device, "fsdev",
2611 qemu_opt_get(opts, "mount_tag"));
2612 qemu_opt_set(device, "mount_tag",
2613 qemu_opt_get(opts, "mount_tag"));
2614 break;
2615 }
2616 case QEMU_OPTION_serial:
2617 add_device_config(DEV_SERIAL, optarg);
2618 default_serial = 0;
2619 if (strncmp(optarg, "mon:", 4) == 0) {
2620 default_monitor = 0;
2621 }
2622 break;
2623 case QEMU_OPTION_watchdog:
2624 if (watchdog) {
2625 fprintf(stderr,
2626 "qemu: only one watchdog option may be given\n");
2627 return 1;
2628 }
2629 watchdog = optarg;
2630 break;
2631 case QEMU_OPTION_watchdog_action:
2632 if (select_watchdog_action(optarg) == -1) {
2633 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2634 exit(1);
2635 }
2636 break;
2637 case QEMU_OPTION_virtiocon:
2638 add_device_config(DEV_VIRTCON, optarg);
2639 default_virtcon = 0;
2640 if (strncmp(optarg, "mon:", 4) == 0) {
2641 default_monitor = 0;
2642 }
2643 break;
2644 case QEMU_OPTION_parallel:
2645 add_device_config(DEV_PARALLEL, optarg);
2646 default_parallel = 0;
2647 if (strncmp(optarg, "mon:", 4) == 0) {
2648 default_monitor = 0;
2649 }
2650 break;
2651 case QEMU_OPTION_debugcon:
2652 add_device_config(DEV_DEBUGCON, optarg);
2653 break;
2654 case QEMU_OPTION_loadvm:
2655 loadvm = optarg;
2656 break;
2657 case QEMU_OPTION_full_screen:
2658 full_screen = 1;
2659 break;
2660 #ifdef CONFIG_SDL
2661 case QEMU_OPTION_no_frame:
2662 no_frame = 1;
2663 break;
2664 case QEMU_OPTION_alt_grab:
2665 alt_grab = 1;
2666 break;
2667 case QEMU_OPTION_ctrl_grab:
2668 ctrl_grab = 1;
2669 break;
2670 case QEMU_OPTION_no_quit:
2671 no_quit = 1;
2672 break;
2673 case QEMU_OPTION_sdl:
2674 display_type = DT_SDL;
2675 break;
2676 #else
2677 case QEMU_OPTION_no_frame:
2678 case QEMU_OPTION_alt_grab:
2679 case QEMU_OPTION_ctrl_grab:
2680 case QEMU_OPTION_no_quit:
2681 case QEMU_OPTION_sdl:
2682 fprintf(stderr, "SDL support is disabled\n");
2683 exit(1);
2684 #endif
2685 case QEMU_OPTION_pidfile:
2686 pid_file = optarg;
2687 break;
2688 case QEMU_OPTION_win2k_hack:
2689 win2k_install_hack = 1;
2690 break;
2691 case QEMU_OPTION_rtc_td_hack:
2692 rtc_td_hack = 1;
2693 break;
2694 case QEMU_OPTION_acpitable:
2695 do_acpitable_option(optarg);
2696 break;
2697 case QEMU_OPTION_smbios:
2698 do_smbios_option(optarg);
2699 break;
2700 case QEMU_OPTION_enable_kvm:
2701 olist = qemu_find_opts("machine");
2702 qemu_opts_reset(olist);
2703 qemu_opts_parse(olist, "accel=kvm", 0);
2704 break;
2705 case QEMU_OPTION_machine:
2706 olist = qemu_find_opts("machine");
2707 qemu_opts_reset(olist);
2708 opts = qemu_opts_parse(olist, optarg, 1);
2709 if (!opts) {
2710 fprintf(stderr, "parse error: %s\n", optarg);
2711 exit(1);
2712 }
2713 machine = machine_parse(qemu_opt_get(opts, "type"));
2714 break;
2715 case QEMU_OPTION_usb:
2716 usb_enabled = 1;
2717 break;
2718 case QEMU_OPTION_usbdevice:
2719 usb_enabled = 1;
2720 add_device_config(DEV_USB, optarg);
2721 break;
2722 case QEMU_OPTION_device:
2723 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2724 exit(1);
2725 }
2726 break;
2727 case QEMU_OPTION_smp:
2728 smp_parse(optarg);
2729 if (smp_cpus < 1) {
2730 fprintf(stderr, "Invalid number of CPUs\n");
2731 exit(1);
2732 }
2733 if (max_cpus < smp_cpus) {
2734 fprintf(stderr, "maxcpus must be equal to or greater than "
2735 "smp\n");
2736 exit(1);
2737 }
2738 if (max_cpus > 255) {
2739 fprintf(stderr, "Unsupported number of maxcpus\n");
2740 exit(1);
2741 }
2742 break;
2743 case QEMU_OPTION_vnc:
2744 #ifdef CONFIG_VNC
2745 display_remote++;
2746 vnc_display = optarg;
2747 #else
2748 fprintf(stderr, "VNC support is disabled\n");
2749 exit(1);
2750 #endif
2751 break;
2752 case QEMU_OPTION_no_acpi:
2753 acpi_enabled = 0;
2754 break;
2755 case QEMU_OPTION_no_hpet:
2756 no_hpet = 1;
2757 break;
2758 case QEMU_OPTION_balloon:
2759 if (balloon_parse(optarg) < 0) {
2760 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
2761 exit(1);
2762 }
2763 break;
2764 case QEMU_OPTION_no_reboot:
2765 no_reboot = 1;
2766 break;
2767 case QEMU_OPTION_no_shutdown:
2768 no_shutdown = 1;
2769 break;
2770 case QEMU_OPTION_show_cursor:
2771 cursor_hide = 0;
2772 break;
2773 case QEMU_OPTION_uuid:
2774 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
2775 fprintf(stderr, "Fail to parse UUID string."
2776 " Wrong format.\n");
2777 exit(1);
2778 }
2779 break;
2780 case QEMU_OPTION_option_rom:
2781 if (nb_option_roms >= MAX_OPTION_ROMS) {
2782 fprintf(stderr, "Too many option ROMs\n");
2783 exit(1);
2784 }
2785 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
2786 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
2787 option_rom[nb_option_roms].bootindex =
2788 qemu_opt_get_number(opts, "bootindex", -1);
2789 if (!option_rom[nb_option_roms].name) {
2790 fprintf(stderr, "Option ROM file is not specified\n");
2791 exit(1);
2792 }
2793 nb_option_roms++;
2794 break;
2795 case QEMU_OPTION_semihosting:
2796 semihosting_enabled = 1;
2797 break;
2798 case QEMU_OPTION_name:
2799 qemu_name = qemu_strdup(optarg);
2800 {
2801 char *p = strchr(qemu_name, ',');
2802 if (p != NULL) {
2803 *p++ = 0;
2804 if (strncmp(p, "process=", 8)) {
2805 fprintf(stderr, "Unknown subargument %s to -name\n", p);
2806 exit(1);
2807 }
2808 p += 8;
2809 os_set_proc_name(p);
2810 }
2811 }
2812 break;
2813 case QEMU_OPTION_prom_env:
2814 if (nb_prom_envs >= MAX_PROM_ENVS) {
2815 fprintf(stderr, "Too many prom variables\n");
2816 exit(1);
2817 }
2818 prom_envs[nb_prom_envs] = optarg;
2819 nb_prom_envs++;
2820 break;
2821 case QEMU_OPTION_old_param:
2822 old_param = 1;
2823 break;
2824 case QEMU_OPTION_clock:
2825 configure_alarms(optarg);
2826 break;
2827 case QEMU_OPTION_startdate:
2828 configure_rtc_date_offset(optarg, 1);
2829 break;
2830 case QEMU_OPTION_rtc:
2831 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
2832 if (!opts) {
2833 exit(1);
2834 }
2835 configure_rtc(opts);
2836 break;
2837 case QEMU_OPTION_tb_size:
2838 tb_size = strtol(optarg, NULL, 0);
2839 if (tb_size < 0)
2840 tb_size = 0;
2841 break;
2842 case QEMU_OPTION_icount:
2843 icount_option = optarg;
2844 break;
2845 case QEMU_OPTION_incoming:
2846 incoming = optarg;
2847 incoming_expected = true;
2848 break;
2849 case QEMU_OPTION_nodefaults:
2850 default_serial = 0;
2851 default_parallel = 0;
2852 default_virtcon = 0;
2853 default_monitor = 0;
2854 default_vga = 0;
2855 default_net = 0;
2856 default_floppy = 0;
2857 default_cdrom = 0;
2858 default_sdcard = 0;
2859 break;
2860 case QEMU_OPTION_xen_domid:
2861 if (!(xen_available())) {
2862 printf("Option %s not supported for this target\n", popt->name);
2863 exit(1);
2864 }
2865 xen_domid = atoi(optarg);
2866 break;
2867 case QEMU_OPTION_xen_create:
2868 if (!(xen_available())) {
2869 printf("Option %s not supported for this target\n", popt->name);
2870 exit(1);
2871 }
2872 xen_mode = XEN_CREATE;
2873 break;
2874 case QEMU_OPTION_xen_attach:
2875 if (!(xen_available())) {
2876 printf("Option %s not supported for this target\n", popt->name);
2877 exit(1);
2878 }
2879 xen_mode = XEN_ATTACH;
2880 break;
2881 #ifdef CONFIG_SIMPLE_TRACE
2882 case QEMU_OPTION_trace:
2883 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
2884 if (opts) {
2885 trace_file = qemu_opt_get(opts, "file");
2886 }
2887 break;
2888 #endif
2889 case QEMU_OPTION_readconfig:
2890 {
2891 int ret = qemu_read_config_file(optarg);
2892 if (ret < 0) {
2893 fprintf(stderr, "read config %s: %s\n", optarg,
2894 strerror(-ret));
2895 exit(1);
2896 }
2897 break;
2898 }
2899 case QEMU_OPTION_spice:
2900 olist = qemu_find_opts("spice");
2901 if (!olist) {
2902 fprintf(stderr, "spice is not supported by this qemu build.\n");
2903 exit(1);
2904 }
2905 opts = qemu_opts_parse(olist, optarg, 0);
2906 if (!opts) {
2907 fprintf(stderr, "parse error: %s\n", optarg);
2908 exit(1);
2909 }
2910 break;
2911 case QEMU_OPTION_writeconfig:
2912 {
2913 FILE *fp;
2914 if (strcmp(optarg, "-") == 0) {
2915 fp = stdout;
2916 } else {
2917 fp = fopen(optarg, "w");
2918 if (fp == NULL) {
2919 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
2920 exit(1);
2921 }
2922 }
2923 qemu_config_write(fp);
2924 fclose(fp);
2925 break;
2926 }
2927 default:
2928 os_parse_cmd_args(popt->index, optarg);
2929 }
2930 }
2931 }
2932 loc_set_none();
2933
2934 /* Open the logfile at this point, if necessary. We can't open the logfile
2935 * when encountering either of the logging options (-d or -D) because the
2936 * other one may be encountered later on the command line, changing the
2937 * location or level of logging.
2938 */
2939 if (log_mask) {
2940 if (log_file) {
2941 set_cpu_log_filename(log_file);
2942 }
2943 set_cpu_log(log_mask);
2944 }
2945
2946 if (!st_init(trace_file)) {
2947 fprintf(stderr, "warning: unable to initialize simple trace backend\n");
2948 }
2949
2950 /* If no data_dir is specified then try to find it relative to the
2951 executable path. */
2952 if (!data_dir) {
2953 data_dir = os_find_datadir(argv[0]);
2954 }
2955 /* If all else fails use the install patch specified when building. */
2956 if (!data_dir) {
2957 data_dir = CONFIG_QEMU_DATADIR;
2958 }
2959
2960 /*
2961 * Default to max_cpus = smp_cpus, in case the user doesn't
2962 * specify a max_cpus value.
2963 */
2964 if (!max_cpus)
2965 max_cpus = smp_cpus;
2966
2967 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
2968 if (smp_cpus > machine->max_cpus) {
2969 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
2970 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
2971 machine->max_cpus);
2972 exit(1);
2973 }
2974
2975 /*
2976 * Get the default machine options from the machine if it is not already
2977 * specified either by the configuration file or by the command line.
2978 */
2979 if (machine->default_machine_opts) {
2980 QemuOptsList *list = qemu_find_opts("machine");
2981 const char *p = NULL;
2982
2983 if (!QTAILQ_EMPTY(&list->head)) {
2984 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2985 }
2986 if (p == NULL) {
2987 qemu_opts_reset(list);
2988 opts = qemu_opts_parse(list, machine->default_machine_opts, 0);
2989 if (!opts) {
2990 fprintf(stderr, "parse error for machine %s: %s\n",
2991 machine->name, machine->default_machine_opts);
2992 exit(1);
2993 }
2994 }
2995 }
2996
2997 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
2998 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
2999
3000 if (machine->no_serial) {
3001 default_serial = 0;
3002 }
3003 if (machine->no_parallel) {
3004 default_parallel = 0;
3005 }
3006 if (!machine->use_virtcon) {
3007 default_virtcon = 0;
3008 }
3009 if (machine->no_vga) {
3010 default_vga = 0;
3011 }
3012 if (machine->no_floppy) {
3013 default_floppy = 0;
3014 }
3015 if (machine->no_cdrom) {
3016 default_cdrom = 0;
3017 }
3018 if (machine->no_sdcard) {
3019 default_sdcard = 0;
3020 }
3021
3022 if (display_type == DT_NOGRAPHIC) {
3023 if (default_parallel)
3024 add_device_config(DEV_PARALLEL, "null");
3025 if (default_serial && default_monitor) {
3026 add_device_config(DEV_SERIAL, "mon:stdio");
3027 } else if (default_virtcon && default_monitor) {
3028 add_device_config(DEV_VIRTCON, "mon:stdio");
3029 } else {
3030 if (default_serial)
3031 add_device_config(DEV_SERIAL, "stdio");
3032 if (default_virtcon)
3033 add_device_config(DEV_VIRTCON, "stdio");
3034 if (default_monitor)
3035 monitor_parse("stdio", "readline");
3036 }
3037 } else {
3038 if (default_serial)
3039 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3040 if (default_parallel)
3041 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3042 if (default_monitor)
3043 monitor_parse("vc:80Cx24C", "readline");
3044 if (default_virtcon)
3045 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3046 }
3047 if (default_vga)
3048 vga_interface_type = VGA_CIRRUS;
3049
3050 socket_init();
3051
3052 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3053 exit(1);
3054 #ifdef CONFIG_VIRTFS
3055 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3056 exit(1);
3057 }
3058 #endif
3059
3060 os_daemonize();
3061
3062 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3063 os_pidfile_error();
3064 exit(1);
3065 }
3066
3067 configure_accelerator();
3068
3069 if (qemu_init_main_loop()) {
3070 fprintf(stderr, "qemu_init_main_loop failed\n");
3071 exit(1);
3072 }
3073 linux_boot = (kernel_filename != NULL);
3074
3075 if (!linux_boot && *kernel_cmdline != '\0') {
3076 fprintf(stderr, "-append only allowed with -kernel option\n");
3077 exit(1);
3078 }
3079
3080 if (!linux_boot && initrd_filename != NULL) {
3081 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3082 exit(1);
3083 }
3084
3085 os_set_line_buffering();
3086
3087 if (init_timer_alarm() < 0) {
3088 fprintf(stderr, "could not initialize alarm timer\n");
3089 exit(1);
3090 }
3091 configure_icount(icount_option);
3092
3093 if (net_init_clients() < 0) {
3094 exit(1);
3095 }
3096
3097 /* init the bluetooth world */
3098 if (foreach_device_config(DEV_BT, bt_parse))
3099 exit(1);
3100
3101 /* init the memory */
3102 if (ram_size == 0)
3103 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3104
3105 /* init the dynamic translator */
3106 cpu_exec_init_all(tb_size * 1024 * 1024);
3107
3108 bdrv_init_with_whitelist();
3109
3110 blk_mig_init();
3111
3112 /* open the virtual block devices */
3113 if (snapshot)
3114 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3115 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3116 exit(1);
3117
3118 default_drive(default_cdrom, snapshot, machine->use_scsi,
3119 IF_DEFAULT, 2, CDROM_OPTS);
3120 default_drive(default_floppy, snapshot, machine->use_scsi,
3121 IF_FLOPPY, 0, FD_OPTS);
3122 default_drive(default_sdcard, snapshot, machine->use_scsi,
3123 IF_SD, 0, SD_OPTS);
3124
3125 register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3126 ram_load, NULL);
3127
3128 if (nb_numa_nodes > 0) {
3129 int i;
3130
3131 if (nb_numa_nodes > MAX_NODES) {
3132 nb_numa_nodes = MAX_NODES;
3133 }
3134
3135 /* If no memory size if given for any node, assume the default case
3136 * and distribute the available memory equally across all nodes
3137 */
3138 for (i = 0; i < nb_numa_nodes; i++) {
3139 if (node_mem[i] != 0)
3140 break;
3141 }
3142 if (i == nb_numa_nodes) {
3143 uint64_t usedmem = 0;
3144
3145 /* On Linux, the each node's border has to be 8MB aligned,
3146 * the final node gets the rest.
3147 */
3148 for (i = 0; i < nb_numa_nodes - 1; i++) {
3149 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3150 usedmem += node_mem[i];
3151 }
3152 node_mem[i] = ram_size - usedmem;
3153 }
3154
3155 for (i = 0; i < nb_numa_nodes; i++) {
3156 if (node_cpumask[i] != 0)
3157 break;
3158 }
3159 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3160 * must cope with this anyway, because there are BIOSes out there in
3161 * real machines which also use this scheme.
3162 */
3163 if (i == nb_numa_nodes) {
3164 for (i = 0; i < smp_cpus; i++) {
3165 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3166 }
3167 }
3168 }
3169
3170 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3171 exit(1);
3172 }
3173
3174 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3175 exit(1);
3176 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3177 exit(1);
3178 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3179 exit(1);
3180 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3181 exit(1);
3182
3183 module_call_init(MODULE_INIT_DEVICE);
3184
3185 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3186 exit(0);
3187
3188 if (watchdog) {
3189 i = select_watchdog(watchdog);
3190 if (i > 0)
3191 exit (i == 1 ? 1 : 0);
3192 }
3193
3194 if (machine->compat_props) {
3195 qdev_prop_register_global_list(machine->compat_props);
3196 }
3197 qemu_add_globals();
3198
3199 machine->init(ram_size, boot_devices,
3200 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3201
3202 cpu_synchronize_all_post_init();
3203
3204 set_numa_modes();
3205
3206 current_machine = machine;
3207
3208 /* init USB devices */
3209 if (usb_enabled) {
3210 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3211 exit(1);
3212 }
3213
3214 /* init generic devices */
3215 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3216 exit(1);
3217
3218 net_check_clients();
3219
3220 /* just use the first displaystate for the moment */
3221 ds = get_displaystate();
3222
3223 if (using_spice)
3224 display_remote++;
3225 if (display_type == DT_DEFAULT && !display_remote) {
3226 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3227 display_type = DT_SDL;
3228 #elif defined(CONFIG_VNC)
3229 vnc_display = "localhost:0,to=99";
3230 show_vnc_port = 1;
3231 #else
3232 display_type = DT_NONE;
3233 #endif
3234 }
3235
3236
3237 /* init local displays */
3238 switch (display_type) {
3239 case DT_NOGRAPHIC:
3240 break;
3241 #if defined(CONFIG_CURSES)
3242 case DT_CURSES:
3243 curses_display_init(ds, full_screen);
3244 break;
3245 #endif
3246 #if defined(CONFIG_SDL)
3247 case DT_SDL:
3248 sdl_display_init(ds, full_screen, no_frame);
3249 break;
3250 #elif defined(CONFIG_COCOA)
3251 case DT_SDL:
3252 cocoa_display_init(ds, full_screen);
3253 break;
3254 #endif
3255 default:
3256 break;
3257 }
3258
3259 /* must be after terminal init, SDL library changes signal handlers */
3260 os_setup_signal_handling();
3261
3262 #ifdef CONFIG_VNC
3263 /* init remote displays */
3264 if (vnc_display) {
3265 vnc_display_init(ds);
3266 if (vnc_display_open(ds, vnc_display) < 0)
3267 exit(1);
3268
3269 if (show_vnc_port) {
3270 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3271 }
3272 }
3273 #endif
3274 #ifdef CONFIG_SPICE
3275 if (using_spice && !qxl_enabled) {
3276 qemu_spice_display_init(ds);
3277 }
3278 #endif
3279
3280 /* display setup */
3281 dpy_resize(ds);
3282 dcl = ds->listeners;
3283 while (dcl != NULL) {
3284 if (dcl->dpy_refresh != NULL) {
3285 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3286 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3287 break;
3288 }
3289 dcl = dcl->next;
3290 }
3291 if (ds->gui_timer == NULL) {
3292 nographic_timer = qemu_new_timer_ms(rt_clock, nographic_update, NULL);
3293 qemu_mod_timer(nographic_timer, qemu_get_clock_ms(rt_clock));
3294 }
3295 text_consoles_set_display(ds);
3296
3297 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3298 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3299 gdbstub_dev);
3300 exit(1);
3301 }
3302
3303 qdev_machine_creation_done();
3304
3305 if (rom_load_all() != 0) {
3306 fprintf(stderr, "rom loading failed\n");
3307 exit(1);
3308 }
3309
3310 /* TODO: once all bus devices are qdevified, this should be done
3311 * when bus is created by qdev.c */
3312 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3313 qemu_run_machine_init_done_notifiers();
3314
3315 qemu_system_reset(VMRESET_SILENT);
3316 if (loadvm) {
3317 if (load_vmstate(loadvm) < 0) {
3318 autostart = 0;
3319 }
3320 }
3321
3322 if (incoming) {
3323 int ret = qemu_start_incoming_migration(incoming);
3324 if (ret < 0) {
3325 fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3326 incoming, ret);
3327 exit(ret);
3328 }
3329 } else if (autostart) {
3330 vm_start();
3331 }
3332
3333 os_setup_post();
3334
3335 main_loop();
3336 quit_timers();
3337 net_cleanup();
3338
3339 return 0;
3340 }
QEmu