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Compile ide/macio only once
[qemu/aliguori-queue.git] / vl.c
blob7c0a825a5f37626260f796544c5a41d06a9c9ebb
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 <pwd.h>
38 #include <sys/times.h>
39 #include <sys/wait.h>
40 #include <termios.h>
41 #include <sys/mman.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46 #include <net/if.h>
47 #include <arpa/inet.h>
48 #include <dirent.h>
49 #include <netdb.h>
50 #include <sys/select.h>
51 #ifdef CONFIG_BSD
52 #include <sys/stat.h>
53 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54 #include <libutil.h>
55 #else
56 #include <util.h>
57 #endif
58 #else
59 #ifdef __linux__
60 #include <pty.h>
61 #include <malloc.h>
62 #include <sys/prctl.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.h>
73 #include <netinet/in_systm.h>
74 #include <netinet/ip.h>
75 #include <netinet/ip_icmp.h> // must come after ip.h
76 #include <netinet/udp.h>
77 #include <netinet/tcp.h>
78 #include <net/if.h>
79 #include <syslog.h>
80 #include <stropts.h>
81 /* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for
82 discussion about Solaris header problems */
83 extern int madvise(caddr_t, size_t, int);
84 #endif
85 #endif
86 #endif
87
88 #if defined(__OpenBSD__)
89 #include <util.h>
90 #endif
91
92 #if defined(CONFIG_VDE)
93 #include <libvdeplug.h>
94 #endif
95
96 #ifdef _WIN32
97 #include <windows.h>
98 #endif
99
100 #ifdef CONFIG_SDL
101 #if defined(__APPLE__) || defined(main)
102 #include <SDL.h>
103 int qemu_main(int argc, char **argv, char **envp);
104 int main(int argc, char **argv)
105 {
106 return qemu_main(argc, argv, NULL);
107 }
108 #undef main
109 #define main qemu_main
110 #endif
111 #endif /* CONFIG_SDL */
112
113 #ifdef CONFIG_COCOA
114 #undef main
115 #define main qemu_main
116 #endif /* CONFIG_COCOA */
117
118 #include "hw/hw.h"
119 #include "hw/boards.h"
120 #include "hw/usb.h"
121 #include "hw/pcmcia.h"
122 #include "hw/pc.h"
123 #include "hw/isa.h"
124 #include "hw/baum.h"
125 #include "hw/bt.h"
126 #include "hw/watchdog.h"
127 #include "hw/smbios.h"
128 #include "hw/xen.h"
129 #include "hw/qdev.h"
130 #include "hw/loader.h"
131 #include "bt-host.h"
132 #include "net.h"
133 #include "net/slirp.h"
134 #include "monitor.h"
135 #include "console.h"
136 #include "sysemu.h"
137 #include "gdbstub.h"
138 #include "qemu-timer.h"
139 #include "qemu-char.h"
140 #include "cache-utils.h"
141 #include "block.h"
142 #include "block_int.h"
143 #include "block-migration.h"
144 #include "dma.h"
145 #include "audio/audio.h"
146 #include "migration.h"
147 #include "kvm.h"
148 #include "balloon.h"
149 #include "qemu-option.h"
150 #include "qemu-config.h"
151 #include "qemu-objects.h"
152
153 #include "disas.h"
154
155 #include "qemu_socket.h"
156
157 #include "slirp/libslirp.h"
158
159 #include "qemu-queue.h"
160 #include "cpus.h"
161 #include "arch_init.h"
162
163 //#define DEBUG_NET
164 //#define DEBUG_SLIRP
165
166 #define DEFAULT_RAM_SIZE 128
167
168 #define MAX_VIRTIO_CONSOLES 1
169
170 static const char *data_dir;
171 const char *bios_name = NULL;
172 /* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
173 to store the VM snapshots */
174 struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
175 struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts);
176 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
177 DisplayType display_type = DT_DEFAULT;
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 static int rtc_utc = 1;
189 static int rtc_date_offset = -1; /* -1 means no change */
190 QEMUClock *rtc_clock;
191 int vga_interface_type = VGA_NONE;
192 static int full_screen = 0;
193 #ifdef CONFIG_SDL
194 static int no_frame = 0;
195 #endif
196 int no_quit = 0;
197 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
198 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
199 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
200 int win2k_install_hack = 0;
201 int rtc_td_hack = 0;
202 int usb_enabled = 0;
203 int singlestep = 0;
204 int smp_cpus = 1;
205 int max_cpus = 0;
206 int smp_cores = 1;
207 int smp_threads = 1;
208 const char *vnc_display;
209 int acpi_enabled = 1;
210 int no_hpet = 0;
211 int fd_bootchk = 1;
212 int no_reboot = 0;
213 int no_shutdown = 0;
214 int cursor_hide = 1;
215 int graphic_rotate = 0;
216 uint8_t irq0override = 1;
217 #ifndef _WIN32
218 int daemonize = 0;
219 #endif
220 const char *watchdog;
221 const char *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 int nb_numa_nodes;
233 uint64_t node_mem[MAX_NODES];
234 uint64_t node_cpumask[MAX_NODES];
235
236 static QEMUTimer *nographic_timer;
237
238 uint8_t qemu_uuid[16];
239
240 static QEMUBootSetHandler *boot_set_handler;
241 static void *boot_set_opaque;
242
243 int kvm_allowed = 0;
244 uint32_t xen_domid;
245 enum xen_mode xen_mode = XEN_EMULATE;
246
247 #ifdef SIGRTMIN
248 #define SIG_IPI (SIGRTMIN+4)
249 #else
250 #define SIG_IPI SIGUSR1
251 #endif
252
253 static int default_serial = 1;
254 static int default_parallel = 1;
255 static int default_virtcon = 1;
256 static int default_monitor = 1;
257 static int default_vga = 1;
258 static int default_floppy = 1;
259 static int default_cdrom = 1;
260 static int default_sdcard = 1;
261
262 static struct {
263 const char *driver;
264 int *flag;
265 } default_list[] = {
266 { .driver = "isa-serial", .flag = &default_serial },
267 { .driver = "isa-parallel", .flag = &default_parallel },
268 { .driver = "isa-fdc", .flag = &default_floppy },
269 { .driver = "ide-drive", .flag = &default_cdrom },
270 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
271 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
272 { .driver = "virtio-serial", .flag = &default_virtcon },
273 { .driver = "VGA", .flag = &default_vga },
274 { .driver = "cirrus-vga", .flag = &default_vga },
275 { .driver = "vmware-svga", .flag = &default_vga },
276 };
277
278 static int default_driver_check(QemuOpts *opts, void *opaque)
279 {
280 const char *driver = qemu_opt_get(opts, "driver");
281 int i;
282
283 if (!driver)
284 return 0;
285 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
286 if (strcmp(default_list[i].driver, driver) != 0)
287 continue;
288 *(default_list[i].flag) = 0;
289 }
290 return 0;
291 }
292
293 /***********************************************************/
294 /* x86 ISA bus support */
295
296 target_phys_addr_t isa_mem_base = 0;
297 PicState2 *isa_pic;
298
299 static void set_proc_name(const char *s)
300 {
301 #if defined(__linux__) && defined(PR_SET_NAME)
302 char name[16];
303 if (!s)
304 return;
305 name[sizeof(name) - 1] = 0;
306 strncpy(name, s, sizeof(name));
307 /* Could rewrite argv[0] too, but that's a bit more complicated.
308 This simple way is enough for `top'. */
309 prctl(PR_SET_NAME, name);
310 #endif
311 }
312
313 /***************/
314 /* ballooning */
315
316 static QEMUBalloonEvent *qemu_balloon_event;
317 void *qemu_balloon_event_opaque;
318
319 void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
320 {
321 qemu_balloon_event = func;
322 qemu_balloon_event_opaque = opaque;
323 }
324
325 int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque)
326 {
327 if (qemu_balloon_event) {
328 qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque);
329 return 1;
330 } else {
331 return 0;
332 }
333 }
334
335 int qemu_balloon_status(MonitorCompletion cb, void *opaque)
336 {
337 if (qemu_balloon_event) {
338 qemu_balloon_event(qemu_balloon_event_opaque, 0, cb, opaque);
339 return 1;
340 } else {
341 return 0;
342 }
343 }
344
345
346 /***********************************************************/
347 /* real time host monotonic timer */
348
349 /* compute with 96 bit intermediate result: (a*b)/c */
350 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
351 {
352 union {
353 uint64_t ll;
354 struct {
355 #ifdef HOST_WORDS_BIGENDIAN
356 uint32_t high, low;
357 #else
358 uint32_t low, high;
359 #endif
360 } l;
361 } u, res;
362 uint64_t rl, rh;
363
364 u.ll = a;
365 rl = (uint64_t)u.l.low * (uint64_t)b;
366 rh = (uint64_t)u.l.high * (uint64_t)b;
367 rh += (rl >> 32);
368 res.l.high = rh / c;
369 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
370 return res.ll;
371 }
372
373 /***********************************************************/
374 /* host time/date access */
375 void qemu_get_timedate(struct tm *tm, int offset)
376 {
377 time_t ti;
378 struct tm *ret;
379
380 time(&ti);
381 ti += offset;
382 if (rtc_date_offset == -1) {
383 if (rtc_utc)
384 ret = gmtime(&ti);
385 else
386 ret = localtime(&ti);
387 } else {
388 ti -= rtc_date_offset;
389 ret = gmtime(&ti);
390 }
391
392 memcpy(tm, ret, sizeof(struct tm));
393 }
394
395 int qemu_timedate_diff(struct tm *tm)
396 {
397 time_t seconds;
398
399 if (rtc_date_offset == -1)
400 if (rtc_utc)
401 seconds = mktimegm(tm);
402 else
403 seconds = mktime(tm);
404 else
405 seconds = mktimegm(tm) + rtc_date_offset;
406
407 return seconds - time(NULL);
408 }
409
410 void rtc_change_mon_event(struct tm *tm)
411 {
412 QObject *data;
413
414 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
415 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
416 qobject_decref(data);
417 }
418
419 static void configure_rtc_date_offset(const char *startdate, int legacy)
420 {
421 time_t rtc_start_date;
422 struct tm tm;
423
424 if (!strcmp(startdate, "now") && legacy) {
425 rtc_date_offset = -1;
426 } else {
427 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
428 &tm.tm_year,
429 &tm.tm_mon,
430 &tm.tm_mday,
431 &tm.tm_hour,
432 &tm.tm_min,
433 &tm.tm_sec) == 6) {
434 /* OK */
435 } else if (sscanf(startdate, "%d-%d-%d",
436 &tm.tm_year,
437 &tm.tm_mon,
438 &tm.tm_mday) == 3) {
439 tm.tm_hour = 0;
440 tm.tm_min = 0;
441 tm.tm_sec = 0;
442 } else {
443 goto date_fail;
444 }
445 tm.tm_year -= 1900;
446 tm.tm_mon--;
447 rtc_start_date = mktimegm(&tm);
448 if (rtc_start_date == -1) {
449 date_fail:
450 fprintf(stderr, "Invalid date format. Valid formats are:\n"
451 "'2006-06-17T16:01:21' or '2006-06-17'\n");
452 exit(1);
453 }
454 rtc_date_offset = time(NULL) - rtc_start_date;
455 }
456 }
457
458 static void configure_rtc(QemuOpts *opts)
459 {
460 const char *value;
461
462 value = qemu_opt_get(opts, "base");
463 if (value) {
464 if (!strcmp(value, "utc")) {
465 rtc_utc = 1;
466 } else if (!strcmp(value, "localtime")) {
467 rtc_utc = 0;
468 } else {
469 configure_rtc_date_offset(value, 0);
470 }
471 }
472 value = qemu_opt_get(opts, "clock");
473 if (value) {
474 if (!strcmp(value, "host")) {
475 rtc_clock = host_clock;
476 } else if (!strcmp(value, "vm")) {
477 rtc_clock = vm_clock;
478 } else {
479 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
480 exit(1);
481 }
482 }
483 value = qemu_opt_get(opts, "driftfix");
484 if (value) {
485 if (!strcmp(value, "slew")) {
486 rtc_td_hack = 1;
487 } else if (!strcmp(value, "none")) {
488 rtc_td_hack = 0;
489 } else {
490 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
491 exit(1);
492 }
493 }
494 }
495
496 #ifdef _WIN32
497 static void socket_cleanup(void)
498 {
499 WSACleanup();
500 }
501
502 static int socket_init(void)
503 {
504 WSADATA Data;
505 int ret, err;
506
507 ret = WSAStartup(MAKEWORD(2,2), &Data);
508 if (ret != 0) {
509 err = WSAGetLastError();
510 fprintf(stderr, "WSAStartup: %d\n", err);
511 return -1;
512 }
513 atexit(socket_cleanup);
514 return 0;
515 }
516 #endif
517
518 /***********************************************************/
519 /* Bluetooth support */
520 static int nb_hcis;
521 static int cur_hci;
522 static struct HCIInfo *hci_table[MAX_NICS];
523
524 static struct bt_vlan_s {
525 struct bt_scatternet_s net;
526 int id;
527 struct bt_vlan_s *next;
528 } *first_bt_vlan;
529
530 /* find or alloc a new bluetooth "VLAN" */
531 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
532 {
533 struct bt_vlan_s **pvlan, *vlan;
534 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
535 if (vlan->id == id)
536 return &vlan->net;
537 }
538 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
539 vlan->id = id;
540 pvlan = &first_bt_vlan;
541 while (*pvlan != NULL)
542 pvlan = &(*pvlan)->next;
543 *pvlan = vlan;
544 return &vlan->net;
545 }
546
547 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
548 {
549 }
550
551 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
552 {
553 return -ENOTSUP;
554 }
555
556 static struct HCIInfo null_hci = {
557 .cmd_send = null_hci_send,
558 .sco_send = null_hci_send,
559 .acl_send = null_hci_send,
560 .bdaddr_set = null_hci_addr_set,
561 };
562
563 struct HCIInfo *qemu_next_hci(void)
564 {
565 if (cur_hci == nb_hcis)
566 return &null_hci;
567
568 return hci_table[cur_hci++];
569 }
570
571 static struct HCIInfo *hci_init(const char *str)
572 {
573 char *endp;
574 struct bt_scatternet_s *vlan = 0;
575
576 if (!strcmp(str, "null"))
577 /* null */
578 return &null_hci;
579 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
580 /* host[:hciN] */
581 return bt_host_hci(str[4] ? str + 5 : "hci0");
582 else if (!strncmp(str, "hci", 3)) {
583 /* hci[,vlan=n] */
584 if (str[3]) {
585 if (!strncmp(str + 3, ",vlan=", 6)) {
586 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
587 if (*endp)
588 vlan = 0;
589 }
590 } else
591 vlan = qemu_find_bt_vlan(0);
592 if (vlan)
593 return bt_new_hci(vlan);
594 }
595
596 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
597
598 return 0;
599 }
600
601 static int bt_hci_parse(const char *str)
602 {
603 struct HCIInfo *hci;
604 bdaddr_t bdaddr;
605
606 if (nb_hcis >= MAX_NICS) {
607 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
608 return -1;
609 }
610
611 hci = hci_init(str);
612 if (!hci)
613 return -1;
614
615 bdaddr.b[0] = 0x52;
616 bdaddr.b[1] = 0x54;
617 bdaddr.b[2] = 0x00;
618 bdaddr.b[3] = 0x12;
619 bdaddr.b[4] = 0x34;
620 bdaddr.b[5] = 0x56 + nb_hcis;
621 hci->bdaddr_set(hci, bdaddr.b);
622
623 hci_table[nb_hcis++] = hci;
624
625 return 0;
626 }
627
628 static void bt_vhci_add(int vlan_id)
629 {
630 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
631
632 if (!vlan->slave)
633 fprintf(stderr, "qemu: warning: adding a VHCI to "
634 "an empty scatternet %i\n", vlan_id);
635
636 bt_vhci_init(bt_new_hci(vlan));
637 }
638
639 static struct bt_device_s *bt_device_add(const char *opt)
640 {
641 struct bt_scatternet_s *vlan;
642 int vlan_id = 0;
643 char *endp = strstr(opt, ",vlan=");
644 int len = (endp ? endp - opt : strlen(opt)) + 1;
645 char devname[10];
646
647 pstrcpy(devname, MIN(sizeof(devname), len), opt);
648
649 if (endp) {
650 vlan_id = strtol(endp + 6, &endp, 0);
651 if (*endp) {
652 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
653 return 0;
654 }
655 }
656
657 vlan = qemu_find_bt_vlan(vlan_id);
658
659 if (!vlan->slave)
660 fprintf(stderr, "qemu: warning: adding a slave device to "
661 "an empty scatternet %i\n", vlan_id);
662
663 if (!strcmp(devname, "keyboard"))
664 return bt_keyboard_init(vlan);
665
666 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
667 return 0;
668 }
669
670 static int bt_parse(const char *opt)
671 {
672 const char *endp, *p;
673 int vlan;
674
675 if (strstart(opt, "hci", &endp)) {
676 if (!*endp || *endp == ',') {
677 if (*endp)
678 if (!strstart(endp, ",vlan=", 0))
679 opt = endp + 1;
680
681 return bt_hci_parse(opt);
682 }
683 } else if (strstart(opt, "vhci", &endp)) {
684 if (!*endp || *endp == ',') {
685 if (*endp) {
686 if (strstart(endp, ",vlan=", &p)) {
687 vlan = strtol(p, (char **) &endp, 0);
688 if (*endp) {
689 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
690 return 1;
691 }
692 } else {
693 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
694 return 1;
695 }
696 } else
697 vlan = 0;
698
699 bt_vhci_add(vlan);
700 return 0;
701 }
702 } else if (strstart(opt, "device:", &endp))
703 return !bt_device_add(endp);
704
705 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
706 return 1;
707 }
708
709 /***********************************************************/
710 /* QEMU Block devices */
711
712 #define HD_ALIAS "index=%d,media=disk"
713 #define CDROM_ALIAS "index=2,media=cdrom"
714 #define FD_ALIAS "index=%d,if=floppy"
715 #define PFLASH_ALIAS "if=pflash"
716 #define MTD_ALIAS "if=mtd"
717 #define SD_ALIAS "index=0,if=sd"
718
719 QemuOpts *drive_add(const char *file, const char *fmt, ...)
720 {
721 va_list ap;
722 char optstr[1024];
723 QemuOpts *opts;
724
725 va_start(ap, fmt);
726 vsnprintf(optstr, sizeof(optstr), fmt, ap);
727 va_end(ap);
728
729 opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
730 if (!opts) {
731 fprintf(stderr, "%s: huh? duplicate? (%s)\n",
732 __FUNCTION__, optstr);
733 return NULL;
734 }
735 if (file)
736 qemu_opt_set(opts, "file", file);
737 return opts;
738 }
739
740 DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
741 {
742 DriveInfo *dinfo;
743
744 /* seek interface, bus and unit */
745
746 QTAILQ_FOREACH(dinfo, &drives, next) {
747 if (dinfo->type == type &&
748 dinfo->bus == bus &&
749 dinfo->unit == unit)
750 return dinfo;
751 }
752
753 return NULL;
754 }
755
756 DriveInfo *drive_get_by_id(const char *id)
757 {
758 DriveInfo *dinfo;
759
760 QTAILQ_FOREACH(dinfo, &drives, next) {
761 if (strcmp(id, dinfo->id))
762 continue;
763 return dinfo;
764 }
765 return NULL;
766 }
767
768 int drive_get_max_bus(BlockInterfaceType type)
769 {
770 int max_bus;
771 DriveInfo *dinfo;
772
773 max_bus = -1;
774 QTAILQ_FOREACH(dinfo, &drives, next) {
775 if(dinfo->type == type &&
776 dinfo->bus > max_bus)
777 max_bus = dinfo->bus;
778 }
779 return max_bus;
780 }
781
782 const char *drive_get_serial(BlockDriverState *bdrv)
783 {
784 DriveInfo *dinfo;
785
786 QTAILQ_FOREACH(dinfo, &drives, next) {
787 if (dinfo->bdrv == bdrv)
788 return dinfo->serial;
789 }
790
791 return "\0";
792 }
793
794 BlockInterfaceErrorAction drive_get_on_error(
795 BlockDriverState *bdrv, int is_read)
796 {
797 DriveInfo *dinfo;
798
799 QTAILQ_FOREACH(dinfo, &drives, next) {
800 if (dinfo->bdrv == bdrv)
801 return is_read ? dinfo->on_read_error : dinfo->on_write_error;
802 }
803
804 return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC;
805 }
806
807 static void bdrv_format_print(void *opaque, const char *name)
808 {
809 fprintf(stderr, " %s", name);
810 }
811
812 void drive_uninit(DriveInfo *dinfo)
813 {
814 qemu_opts_del(dinfo->opts);
815 bdrv_delete(dinfo->bdrv);
816 QTAILQ_REMOVE(&drives, dinfo, next);
817 qemu_free(dinfo);
818 }
819
820 static int parse_block_error_action(const char *buf, int is_read)
821 {
822 if (!strcmp(buf, "ignore")) {
823 return BLOCK_ERR_IGNORE;
824 } else if (!is_read && !strcmp(buf, "enospc")) {
825 return BLOCK_ERR_STOP_ENOSPC;
826 } else if (!strcmp(buf, "stop")) {
827 return BLOCK_ERR_STOP_ANY;
828 } else if (!strcmp(buf, "report")) {
829 return BLOCK_ERR_REPORT;
830 } else {
831 fprintf(stderr, "qemu: '%s' invalid %s error action\n",
832 buf, is_read ? "read" : "write");
833 return -1;
834 }
835 }
836
837 DriveInfo *drive_init(QemuOpts *opts, void *opaque,
838 int *fatal_error)
839 {
840 const char *buf;
841 const char *file = NULL;
842 char devname[128];
843 const char *serial;
844 const char *mediastr = "";
845 BlockInterfaceType type;
846 enum { MEDIA_DISK, MEDIA_CDROM } media;
847 int bus_id, unit_id;
848 int cyls, heads, secs, translation;
849 BlockDriver *drv = NULL;
850 QEMUMachine *machine = opaque;
851 int max_devs;
852 int index;
853 int cache;
854 int aio = 0;
855 int ro = 0;
856 int bdrv_flags;
857 int on_read_error, on_write_error;
858 const char *devaddr;
859 DriveInfo *dinfo;
860 int snapshot = 0;
861
862 *fatal_error = 1;
863
864 translation = BIOS_ATA_TRANSLATION_AUTO;
865 cache = 1;
866
867 if (machine && machine->use_scsi) {
868 type = IF_SCSI;
869 max_devs = MAX_SCSI_DEVS;
870 pstrcpy(devname, sizeof(devname), "scsi");
871 } else {
872 type = IF_IDE;
873 max_devs = MAX_IDE_DEVS;
874 pstrcpy(devname, sizeof(devname), "ide");
875 }
876 media = MEDIA_DISK;
877
878 /* extract parameters */
879 bus_id = qemu_opt_get_number(opts, "bus", 0);
880 unit_id = qemu_opt_get_number(opts, "unit", -1);
881 index = qemu_opt_get_number(opts, "index", -1);
882
883 cyls = qemu_opt_get_number(opts, "cyls", 0);
884 heads = qemu_opt_get_number(opts, "heads", 0);
885 secs = qemu_opt_get_number(opts, "secs", 0);
886
887 snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
888 ro = qemu_opt_get_bool(opts, "readonly", 0);
889
890 file = qemu_opt_get(opts, "file");
891 serial = qemu_opt_get(opts, "serial");
892
893 if ((buf = qemu_opt_get(opts, "if")) != NULL) {
894 pstrcpy(devname, sizeof(devname), buf);
895 if (!strcmp(buf, "ide")) {
896 type = IF_IDE;
897 max_devs = MAX_IDE_DEVS;
898 } else if (!strcmp(buf, "scsi")) {
899 type = IF_SCSI;
900 max_devs = MAX_SCSI_DEVS;
901 } else if (!strcmp(buf, "floppy")) {
902 type = IF_FLOPPY;
903 max_devs = 0;
904 } else if (!strcmp(buf, "pflash")) {
905 type = IF_PFLASH;
906 max_devs = 0;
907 } else if (!strcmp(buf, "mtd")) {
908 type = IF_MTD;
909 max_devs = 0;
910 } else if (!strcmp(buf, "sd")) {
911 type = IF_SD;
912 max_devs = 0;
913 } else if (!strcmp(buf, "virtio")) {
914 type = IF_VIRTIO;
915 max_devs = 0;
916 } else if (!strcmp(buf, "xen")) {
917 type = IF_XEN;
918 max_devs = 0;
919 } else if (!strcmp(buf, "none")) {
920 type = IF_NONE;
921 max_devs = 0;
922 } else {
923 fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
924 return NULL;
925 }
926 }
927
928 if (cyls || heads || secs) {
929 if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
930 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
931 return NULL;
932 }
933 if (heads < 1 || (type == IF_IDE && heads > 16)) {
934 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
935 return NULL;
936 }
937 if (secs < 1 || (type == IF_IDE && secs > 63)) {
938 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
939 return NULL;
940 }
941 }
942
943 if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
944 if (!cyls) {
945 fprintf(stderr,
946 "qemu: '%s' trans must be used with cyls,heads and secs\n",
947 buf);
948 return NULL;
949 }
950 if (!strcmp(buf, "none"))
951 translation = BIOS_ATA_TRANSLATION_NONE;
952 else if (!strcmp(buf, "lba"))
953 translation = BIOS_ATA_TRANSLATION_LBA;
954 else if (!strcmp(buf, "auto"))
955 translation = BIOS_ATA_TRANSLATION_AUTO;
956 else {
957 fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
958 return NULL;
959 }
960 }
961
962 if ((buf = qemu_opt_get(opts, "media")) != NULL) {
963 if (!strcmp(buf, "disk")) {
964 media = MEDIA_DISK;
965 } else if (!strcmp(buf, "cdrom")) {
966 if (cyls || secs || heads) {
967 fprintf(stderr,
968 "qemu: '%s' invalid physical CHS format\n", buf);
969 return NULL;
970 }
971 media = MEDIA_CDROM;
972 } else {
973 fprintf(stderr, "qemu: '%s' invalid media\n", buf);
974 return NULL;
975 }
976 }
977
978 if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
979 if (!strcmp(buf, "off") || !strcmp(buf, "none"))
980 cache = 0;
981 else if (!strcmp(buf, "writethrough"))
982 cache = 1;
983 else if (!strcmp(buf, "writeback"))
984 cache = 2;
985 else {
986 fprintf(stderr, "qemu: invalid cache option\n");
987 return NULL;
988 }
989 }
990
991 #ifdef CONFIG_LINUX_AIO
992 if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
993 if (!strcmp(buf, "threads"))
994 aio = 0;
995 else if (!strcmp(buf, "native"))
996 aio = 1;
997 else {
998 fprintf(stderr, "qemu: invalid aio option\n");
999 return NULL;
1000 }
1001 }
1002 #endif
1003
1004 if ((buf = qemu_opt_get(opts, "format")) != NULL) {
1005 if (strcmp(buf, "?") == 0) {
1006 fprintf(stderr, "qemu: Supported formats:");
1007 bdrv_iterate_format(bdrv_format_print, NULL);
1008 fprintf(stderr, "\n");
1009 return NULL;
1010 }
1011 drv = bdrv_find_whitelisted_format(buf);
1012 if (!drv) {
1013 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
1014 return NULL;
1015 }
1016 }
1017
1018 on_write_error = BLOCK_ERR_STOP_ENOSPC;
1019 if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
1020 if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
1021 fprintf(stderr, "werror is no supported by this format\n");
1022 return NULL;
1023 }
1024
1025 on_write_error = parse_block_error_action(buf, 0);
1026 if (on_write_error < 0) {
1027 return NULL;
1028 }
1029 }
1030
1031 on_read_error = BLOCK_ERR_REPORT;
1032 if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
1033 if (type != IF_IDE && type != IF_VIRTIO) {
1034 fprintf(stderr, "rerror is no supported by this format\n");
1035 return NULL;
1036 }
1037
1038 on_read_error = parse_block_error_action(buf, 1);
1039 if (on_read_error < 0) {
1040 return NULL;
1041 }
1042 }
1043
1044 if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
1045 if (type != IF_VIRTIO) {
1046 fprintf(stderr, "addr is not supported\n");
1047 return NULL;
1048 }
1049 }
1050
1051 /* compute bus and unit according index */
1052
1053 if (index != -1) {
1054 if (bus_id != 0 || unit_id != -1) {
1055 fprintf(stderr,
1056 "qemu: index cannot be used with bus and unit\n");
1057 return NULL;
1058 }
1059 if (max_devs == 0)
1060 {
1061 unit_id = index;
1062 bus_id = 0;
1063 } else {
1064 unit_id = index % max_devs;
1065 bus_id = index / max_devs;
1066 }
1067 }
1068
1069 /* if user doesn't specify a unit_id,
1070 * try to find the first free
1071 */
1072
1073 if (unit_id == -1) {
1074 unit_id = 0;
1075 while (drive_get(type, bus_id, unit_id) != NULL) {
1076 unit_id++;
1077 if (max_devs && unit_id >= max_devs) {
1078 unit_id -= max_devs;
1079 bus_id++;
1080 }
1081 }
1082 }
1083
1084 /* check unit id */
1085
1086 if (max_devs && unit_id >= max_devs) {
1087 fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
1088 unit_id, max_devs - 1);
1089 return NULL;
1090 }
1091
1092 /*
1093 * ignore multiple definitions
1094 */
1095
1096 if (drive_get(type, bus_id, unit_id) != NULL) {
1097 *fatal_error = 0;
1098 return NULL;
1099 }
1100
1101 /* init */
1102
1103 dinfo = qemu_mallocz(sizeof(*dinfo));
1104 if ((buf = qemu_opts_id(opts)) != NULL) {
1105 dinfo->id = qemu_strdup(buf);
1106 } else {
1107 /* no id supplied -> create one */
1108 dinfo->id = qemu_mallocz(32);
1109 if (type == IF_IDE || type == IF_SCSI)
1110 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
1111 if (max_devs)
1112 snprintf(dinfo->id, 32, "%s%i%s%i",
1113 devname, bus_id, mediastr, unit_id);
1114 else
1115 snprintf(dinfo->id, 32, "%s%s%i",
1116 devname, mediastr, unit_id);
1117 }
1118 dinfo->bdrv = bdrv_new(dinfo->id);
1119 dinfo->devaddr = devaddr;
1120 dinfo->type = type;
1121 dinfo->bus = bus_id;
1122 dinfo->unit = unit_id;
1123 dinfo->on_read_error = on_read_error;
1124 dinfo->on_write_error = on_write_error;
1125 dinfo->opts = opts;
1126 if (serial)
1127 strncpy(dinfo->serial, serial, sizeof(serial));
1128 QTAILQ_INSERT_TAIL(&drives, dinfo, next);
1129
1130 switch(type) {
1131 case IF_IDE:
1132 case IF_SCSI:
1133 case IF_XEN:
1134 case IF_NONE:
1135 switch(media) {
1136 case MEDIA_DISK:
1137 if (cyls != 0) {
1138 bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
1139 bdrv_set_translation_hint(dinfo->bdrv, translation);
1140 }
1141 break;
1142 case MEDIA_CDROM:
1143 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
1144 break;
1145 }
1146 break;
1147 case IF_SD:
1148 /* FIXME: This isn't really a floppy, but it's a reasonable
1149 approximation. */
1150 case IF_FLOPPY:
1151 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
1152 break;
1153 case IF_PFLASH:
1154 case IF_MTD:
1155 break;
1156 case IF_VIRTIO:
1157 /* add virtio block device */
1158 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1159 qemu_opt_set(opts, "driver", "virtio-blk-pci");
1160 qemu_opt_set(opts, "drive", dinfo->id);
1161 if (devaddr)
1162 qemu_opt_set(opts, "addr", devaddr);
1163 break;
1164 case IF_COUNT:
1165 abort();
1166 }
1167 if (!file) {
1168 *fatal_error = 0;
1169 return NULL;
1170 }
1171 bdrv_flags = 0;
1172 if (snapshot) {
1173 bdrv_flags |= BDRV_O_SNAPSHOT;
1174 cache = 2; /* always use write-back with snapshot */
1175 }
1176 if (cache == 0) /* no caching */
1177 bdrv_flags |= BDRV_O_NOCACHE;
1178 else if (cache == 2) /* write-back */
1179 bdrv_flags |= BDRV_O_CACHE_WB;
1180
1181 if (aio == 1) {
1182 bdrv_flags |= BDRV_O_NATIVE_AIO;
1183 } else {
1184 bdrv_flags &= ~BDRV_O_NATIVE_AIO;
1185 }
1186
1187 if (ro == 1) {
1188 if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY) {
1189 fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
1190 return NULL;
1191 }
1192 }
1193 /*
1194 * cdrom is read-only. Set it now, after above interface checking
1195 * since readonly attribute not explicitly required, so no error.
1196 */
1197 if (media == MEDIA_CDROM) {
1198 ro = 1;
1199 }
1200 bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
1201
1202 if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
1203 fprintf(stderr, "qemu: could not open disk image %s: %s\n",
1204 file, strerror(errno));
1205 return NULL;
1206 }
1207
1208 if (bdrv_key_required(dinfo->bdrv))
1209 autostart = 0;
1210 *fatal_error = 0;
1211 return dinfo;
1212 }
1213
1214 static int drive_init_func(QemuOpts *opts, void *opaque)
1215 {
1216 QEMUMachine *machine = opaque;
1217 int fatal_error = 0;
1218
1219 if (drive_init(opts, machine, &fatal_error) == NULL) {
1220 if (fatal_error)
1221 return 1;
1222 }
1223 return 0;
1224 }
1225
1226 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1227 {
1228 if (NULL == qemu_opt_get(opts, "snapshot")) {
1229 qemu_opt_set(opts, "snapshot", "on");
1230 }
1231 return 0;
1232 }
1233
1234 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1235 {
1236 boot_set_handler = func;
1237 boot_set_opaque = opaque;
1238 }
1239
1240 int qemu_boot_set(const char *boot_devices)
1241 {
1242 if (!boot_set_handler) {
1243 return -EINVAL;
1244 }
1245 return boot_set_handler(boot_set_opaque, boot_devices);
1246 }
1247
1248 static int parse_bootdevices(char *devices)
1249 {
1250 /* We just do some generic consistency checks */
1251 const char *p;
1252 int bitmap = 0;
1253
1254 for (p = devices; *p != '\0'; p++) {
1255 /* Allowed boot devices are:
1256 * a-b: floppy disk drives
1257 * c-f: IDE disk drives
1258 * g-m: machine implementation dependant drives
1259 * n-p: network devices
1260 * It's up to each machine implementation to check if the given boot
1261 * devices match the actual hardware implementation and firmware
1262 * features.
1263 */
1264 if (*p < 'a' || *p > 'p') {
1265 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1266 exit(1);
1267 }
1268 if (bitmap & (1 << (*p - 'a'))) {
1269 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1270 exit(1);
1271 }
1272 bitmap |= 1 << (*p - 'a');
1273 }
1274 return bitmap;
1275 }
1276
1277 static void restore_boot_devices(void *opaque)
1278 {
1279 char *standard_boot_devices = opaque;
1280
1281 qemu_boot_set(standard_boot_devices);
1282
1283 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1284 qemu_free(standard_boot_devices);
1285 }
1286
1287 static void numa_add(const char *optarg)
1288 {
1289 char option[128];
1290 char *endptr;
1291 unsigned long long value, endvalue;
1292 int nodenr;
1293
1294 optarg = get_opt_name(option, 128, optarg, ',') + 1;
1295 if (!strcmp(option, "node")) {
1296 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1297 nodenr = nb_numa_nodes;
1298 } else {
1299 nodenr = strtoull(option, NULL, 10);
1300 }
1301
1302 if (get_param_value(option, 128, "mem", optarg) == 0) {
1303 node_mem[nodenr] = 0;
1304 } else {
1305 value = strtoull(option, &endptr, 0);
1306 switch (*endptr) {
1307 case 0: case 'M': case 'm':
1308 value <<= 20;
1309 break;
1310 case 'G': case 'g':
1311 value <<= 30;
1312 break;
1313 }
1314 node_mem[nodenr] = value;
1315 }
1316 if (get_param_value(option, 128, "cpus", optarg) == 0) {
1317 node_cpumask[nodenr] = 0;
1318 } else {
1319 value = strtoull(option, &endptr, 10);
1320 if (value >= 64) {
1321 value = 63;
1322 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
1323 } else {
1324 if (*endptr == '-') {
1325 endvalue = strtoull(endptr+1, &endptr, 10);
1326 if (endvalue >= 63) {
1327 endvalue = 62;
1328 fprintf(stderr,
1329 "only 63 CPUs in NUMA mode supported.\n");
1330 }
1331 value = (2ULL << endvalue) - (1ULL << value);
1332 } else {
1333 value = 1ULL << value;
1334 }
1335 }
1336 node_cpumask[nodenr] = value;
1337 }
1338 nb_numa_nodes++;
1339 }
1340 return;
1341 }
1342
1343 static void smp_parse(const char *optarg)
1344 {
1345 int smp, sockets = 0, threads = 0, cores = 0;
1346 char *endptr;
1347 char option[128];
1348
1349 smp = strtoul(optarg, &endptr, 10);
1350 if (endptr != optarg) {
1351 if (*endptr == ',') {
1352 endptr++;
1353 }
1354 }
1355 if (get_param_value(option, 128, "sockets", endptr) != 0)
1356 sockets = strtoull(option, NULL, 10);
1357 if (get_param_value(option, 128, "cores", endptr) != 0)
1358 cores = strtoull(option, NULL, 10);
1359 if (get_param_value(option, 128, "threads", endptr) != 0)
1360 threads = strtoull(option, NULL, 10);
1361 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1362 max_cpus = strtoull(option, NULL, 10);
1363
1364 /* compute missing values, prefer sockets over cores over threads */
1365 if (smp == 0 || sockets == 0) {
1366 sockets = sockets > 0 ? sockets : 1;
1367 cores = cores > 0 ? cores : 1;
1368 threads = threads > 0 ? threads : 1;
1369 if (smp == 0) {
1370 smp = cores * threads * sockets;
1371 }
1372 } else {
1373 if (cores == 0) {
1374 threads = threads > 0 ? threads : 1;
1375 cores = smp / (sockets * threads);
1376 } else {
1377 if (sockets) {
1378 threads = smp / (cores * sockets);
1379 }
1380 }
1381 }
1382 smp_cpus = smp;
1383 smp_cores = cores > 0 ? cores : 1;
1384 smp_threads = threads > 0 ? threads : 1;
1385 if (max_cpus == 0)
1386 max_cpus = smp_cpus;
1387 }
1388
1389 /***********************************************************/
1390 /* USB devices */
1391
1392 static int usb_device_add(const char *devname, int is_hotplug)
1393 {
1394 const char *p;
1395 USBDevice *dev = NULL;
1396
1397 if (!usb_enabled)
1398 return -1;
1399
1400 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1401 dev = usbdevice_create(devname);
1402 if (dev)
1403 goto done;
1404
1405 /* the other ones */
1406 if (strstart(devname, "host:", &p)) {
1407 dev = usb_host_device_open(p);
1408 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1409 dev = usb_bt_init(devname[2] ? hci_init(p) :
1410 bt_new_hci(qemu_find_bt_vlan(0)));
1411 } else {
1412 return -1;
1413 }
1414 if (!dev)
1415 return -1;
1416
1417 done:
1418 return 0;
1419 }
1420
1421 static int usb_device_del(const char *devname)
1422 {
1423 int bus_num, addr;
1424 const char *p;
1425
1426 if (strstart(devname, "host:", &p))
1427 return usb_host_device_close(p);
1428
1429 if (!usb_enabled)
1430 return -1;
1431
1432 p = strchr(devname, '.');
1433 if (!p)
1434 return -1;
1435 bus_num = strtoul(devname, NULL, 0);
1436 addr = strtoul(p + 1, NULL, 0);
1437
1438 return usb_device_delete_addr(bus_num, addr);
1439 }
1440
1441 static int usb_parse(const char *cmdline)
1442 {
1443 int r;
1444 r = usb_device_add(cmdline, 0);
1445 if (r < 0) {
1446 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1447 }
1448 return r;
1449 }
1450
1451 void do_usb_add(Monitor *mon, const QDict *qdict)
1452 {
1453 const char *devname = qdict_get_str(qdict, "devname");
1454 if (usb_device_add(devname, 1) < 0) {
1455 error_report("could not add USB device '%s'", devname);
1456 }
1457 }
1458
1459 void do_usb_del(Monitor *mon, const QDict *qdict)
1460 {
1461 const char *devname = qdict_get_str(qdict, "devname");
1462 if (usb_device_del(devname) < 0) {
1463 error_report("could not delete USB device '%s'", devname);
1464 }
1465 }
1466
1467 /***********************************************************/
1468 /* PCMCIA/Cardbus */
1469
1470 static struct pcmcia_socket_entry_s {
1471 PCMCIASocket *socket;
1472 struct pcmcia_socket_entry_s *next;
1473 } *pcmcia_sockets = 0;
1474
1475 void pcmcia_socket_register(PCMCIASocket *socket)
1476 {
1477 struct pcmcia_socket_entry_s *entry;
1478
1479 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1480 entry->socket = socket;
1481 entry->next = pcmcia_sockets;
1482 pcmcia_sockets = entry;
1483 }
1484
1485 void pcmcia_socket_unregister(PCMCIASocket *socket)
1486 {
1487 struct pcmcia_socket_entry_s *entry, **ptr;
1488
1489 ptr = &pcmcia_sockets;
1490 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1491 if (entry->socket == socket) {
1492 *ptr = entry->next;
1493 qemu_free(entry);
1494 }
1495 }
1496
1497 void pcmcia_info(Monitor *mon)
1498 {
1499 struct pcmcia_socket_entry_s *iter;
1500
1501 if (!pcmcia_sockets)
1502 monitor_printf(mon, "No PCMCIA sockets\n");
1503
1504 for (iter = pcmcia_sockets; iter; iter = iter->next)
1505 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1506 iter->socket->attached ? iter->socket->card_string :
1507 "Empty");
1508 }
1509
1510 /***********************************************************/
1511 /* I/O handling */
1512
1513 typedef struct IOHandlerRecord {
1514 int fd;
1515 IOCanReadHandler *fd_read_poll;
1516 IOHandler *fd_read;
1517 IOHandler *fd_write;
1518 int deleted;
1519 void *opaque;
1520 /* temporary data */
1521 struct pollfd *ufd;
1522 QLIST_ENTRY(IOHandlerRecord) next;
1523 } IOHandlerRecord;
1524
1525 static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1526 QLIST_HEAD_INITIALIZER(io_handlers);
1527
1528
1529 /* XXX: fd_read_poll should be suppressed, but an API change is
1530 necessary in the character devices to suppress fd_can_read(). */
1531 int qemu_set_fd_handler2(int fd,
1532 IOCanReadHandler *fd_read_poll,
1533 IOHandler *fd_read,
1534 IOHandler *fd_write,
1535 void *opaque)
1536 {
1537 IOHandlerRecord *ioh;
1538
1539 if (!fd_read && !fd_write) {
1540 QLIST_FOREACH(ioh, &io_handlers, next) {
1541 if (ioh->fd == fd) {
1542 ioh->deleted = 1;
1543 break;
1544 }
1545 }
1546 } else {
1547 QLIST_FOREACH(ioh, &io_handlers, next) {
1548 if (ioh->fd == fd)
1549 goto found;
1550 }
1551 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
1552 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
1553 found:
1554 ioh->fd = fd;
1555 ioh->fd_read_poll = fd_read_poll;
1556 ioh->fd_read = fd_read;
1557 ioh->fd_write = fd_write;
1558 ioh->opaque = opaque;
1559 ioh->deleted = 0;
1560 }
1561 return 0;
1562 }
1563
1564 int qemu_set_fd_handler(int fd,
1565 IOHandler *fd_read,
1566 IOHandler *fd_write,
1567 void *opaque)
1568 {
1569 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
1570 }
1571
1572 #ifdef _WIN32
1573 /***********************************************************/
1574 /* Polling handling */
1575
1576 typedef struct PollingEntry {
1577 PollingFunc *func;
1578 void *opaque;
1579 struct PollingEntry *next;
1580 } PollingEntry;
1581
1582 static PollingEntry *first_polling_entry;
1583
1584 int qemu_add_polling_cb(PollingFunc *func, void *opaque)
1585 {
1586 PollingEntry **ppe, *pe;
1587 pe = qemu_mallocz(sizeof(PollingEntry));
1588 pe->func = func;
1589 pe->opaque = opaque;
1590 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
1591 *ppe = pe;
1592 return 0;
1593 }
1594
1595 void qemu_del_polling_cb(PollingFunc *func, void *opaque)
1596 {
1597 PollingEntry **ppe, *pe;
1598 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
1599 pe = *ppe;
1600 if (pe->func == func && pe->opaque == opaque) {
1601 *ppe = pe->next;
1602 qemu_free(pe);
1603 break;
1604 }
1605 }
1606 }
1607
1608 /***********************************************************/
1609 /* Wait objects support */
1610 typedef struct WaitObjects {
1611 int num;
1612 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
1613 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
1614 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
1615 } WaitObjects;
1616
1617 static WaitObjects wait_objects = {0};
1618
1619 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1620 {
1621 WaitObjects *w = &wait_objects;
1622
1623 if (w->num >= MAXIMUM_WAIT_OBJECTS)
1624 return -1;
1625 w->events[w->num] = handle;
1626 w->func[w->num] = func;
1627 w->opaque[w->num] = opaque;
1628 w->num++;
1629 return 0;
1630 }
1631
1632 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1633 {
1634 int i, found;
1635 WaitObjects *w = &wait_objects;
1636
1637 found = 0;
1638 for (i = 0; i < w->num; i++) {
1639 if (w->events[i] == handle)
1640 found = 1;
1641 if (found) {
1642 w->events[i] = w->events[i + 1];
1643 w->func[i] = w->func[i + 1];
1644 w->opaque[i] = w->opaque[i + 1];
1645 }
1646 }
1647 if (found)
1648 w->num--;
1649 }
1650 #endif
1651
1652 /***********************************************************/
1653 /* machine registration */
1654
1655 static QEMUMachine *first_machine = NULL;
1656 QEMUMachine *current_machine = NULL;
1657
1658 int qemu_register_machine(QEMUMachine *m)
1659 {
1660 QEMUMachine **pm;
1661 pm = &first_machine;
1662 while (*pm != NULL)
1663 pm = &(*pm)->next;
1664 m->next = NULL;
1665 *pm = m;
1666 return 0;
1667 }
1668
1669 static QEMUMachine *find_machine(const char *name)
1670 {
1671 QEMUMachine *m;
1672
1673 for(m = first_machine; m != NULL; m = m->next) {
1674 if (!strcmp(m->name, name))
1675 return m;
1676 if (m->alias && !strcmp(m->alias, name))
1677 return m;
1678 }
1679 return NULL;
1680 }
1681
1682 static QEMUMachine *find_default_machine(void)
1683 {
1684 QEMUMachine *m;
1685
1686 for(m = first_machine; m != NULL; m = m->next) {
1687 if (m->is_default) {
1688 return m;
1689 }
1690 }
1691 return NULL;
1692 }
1693
1694 /***********************************************************/
1695 /* main execution loop */
1696
1697 static void gui_update(void *opaque)
1698 {
1699 uint64_t interval = GUI_REFRESH_INTERVAL;
1700 DisplayState *ds = opaque;
1701 DisplayChangeListener *dcl = ds->listeners;
1702
1703 qemu_flush_coalesced_mmio_buffer();
1704 dpy_refresh(ds);
1705
1706 while (dcl != NULL) {
1707 if (dcl->gui_timer_interval &&
1708 dcl->gui_timer_interval < interval)
1709 interval = dcl->gui_timer_interval;
1710 dcl = dcl->next;
1711 }
1712 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
1713 }
1714
1715 static void nographic_update(void *opaque)
1716 {
1717 uint64_t interval = GUI_REFRESH_INTERVAL;
1718
1719 qemu_flush_coalesced_mmio_buffer();
1720 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1721 }
1722
1723 struct vm_change_state_entry {
1724 VMChangeStateHandler *cb;
1725 void *opaque;
1726 QLIST_ENTRY (vm_change_state_entry) entries;
1727 };
1728
1729 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1730
1731 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1732 void *opaque)
1733 {
1734 VMChangeStateEntry *e;
1735
1736 e = qemu_mallocz(sizeof (*e));
1737
1738 e->cb = cb;
1739 e->opaque = opaque;
1740 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1741 return e;
1742 }
1743
1744 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1745 {
1746 QLIST_REMOVE (e, entries);
1747 qemu_free (e);
1748 }
1749
1750 void vm_state_notify(int running, int reason)
1751 {
1752 VMChangeStateEntry *e;
1753
1754 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1755 e->cb(e->opaque, running, reason);
1756 }
1757 }
1758
1759 void vm_start(void)
1760 {
1761 if (!vm_running) {
1762 cpu_enable_ticks();
1763 vm_running = 1;
1764 vm_state_notify(1, 0);
1765 resume_all_vcpus();
1766 }
1767 }
1768
1769 /* reset/shutdown handler */
1770
1771 typedef struct QEMUResetEntry {
1772 QTAILQ_ENTRY(QEMUResetEntry) entry;
1773 QEMUResetHandler *func;
1774 void *opaque;
1775 } QEMUResetEntry;
1776
1777 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1778 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1779 static int reset_requested;
1780 static int shutdown_requested;
1781 static int powerdown_requested;
1782 int debug_requested;
1783 static int vmstop_requested;
1784
1785 int qemu_shutdown_requested(void)
1786 {
1787 int r = shutdown_requested;
1788 shutdown_requested = 0;
1789 return r;
1790 }
1791
1792 int qemu_reset_requested(void)
1793 {
1794 int r = reset_requested;
1795 reset_requested = 0;
1796 return r;
1797 }
1798
1799 int qemu_powerdown_requested(void)
1800 {
1801 int r = powerdown_requested;
1802 powerdown_requested = 0;
1803 return r;
1804 }
1805
1806 static int qemu_debug_requested(void)
1807 {
1808 int r = debug_requested;
1809 debug_requested = 0;
1810 return r;
1811 }
1812
1813 static int qemu_vmstop_requested(void)
1814 {
1815 int r = vmstop_requested;
1816 vmstop_requested = 0;
1817 return r;
1818 }
1819
1820 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1821 {
1822 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
1823
1824 re->func = func;
1825 re->opaque = opaque;
1826 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1827 }
1828
1829 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1830 {
1831 QEMUResetEntry *re;
1832
1833 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1834 if (re->func == func && re->opaque == opaque) {
1835 QTAILQ_REMOVE(&reset_handlers, re, entry);
1836 qemu_free(re);
1837 return;
1838 }
1839 }
1840 }
1841
1842 void qemu_system_reset(void)
1843 {
1844 QEMUResetEntry *re, *nre;
1845
1846 /* reset all devices */
1847 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1848 re->func(re->opaque);
1849 }
1850 monitor_protocol_event(QEVENT_RESET, NULL);
1851 cpu_synchronize_all_post_reset();
1852 }
1853
1854 void qemu_system_reset_request(void)
1855 {
1856 if (no_reboot) {
1857 shutdown_requested = 1;
1858 } else {
1859 reset_requested = 1;
1860 }
1861 qemu_notify_event();
1862 }
1863
1864 void qemu_system_shutdown_request(void)
1865 {
1866 shutdown_requested = 1;
1867 qemu_notify_event();
1868 }
1869
1870 void qemu_system_powerdown_request(void)
1871 {
1872 powerdown_requested = 1;
1873 qemu_notify_event();
1874 }
1875
1876 #ifdef _WIN32
1877 static void host_main_loop_wait(int *timeout)
1878 {
1879 int ret, ret2, i;
1880 PollingEntry *pe;
1881
1882
1883 /* XXX: need to suppress polling by better using win32 events */
1884 ret = 0;
1885 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
1886 ret |= pe->func(pe->opaque);
1887 }
1888 if (ret == 0) {
1889 int err;
1890 WaitObjects *w = &wait_objects;
1891
1892 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
1893 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
1894 if (w->func[ret - WAIT_OBJECT_0])
1895 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
1896
1897 /* Check for additional signaled events */
1898 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
1899
1900 /* Check if event is signaled */
1901 ret2 = WaitForSingleObject(w->events[i], 0);
1902 if(ret2 == WAIT_OBJECT_0) {
1903 if (w->func[i])
1904 w->func[i](w->opaque[i]);
1905 } else if (ret2 == WAIT_TIMEOUT) {
1906 } else {
1907 err = GetLastError();
1908 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
1909 }
1910 }
1911 } else if (ret == WAIT_TIMEOUT) {
1912 } else {
1913 err = GetLastError();
1914 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
1915 }
1916 }
1917
1918 *timeout = 0;
1919 }
1920 #else
1921 static void host_main_loop_wait(int *timeout)
1922 {
1923 }
1924 #endif
1925
1926 void main_loop_wait(int nonblocking)
1927 {
1928 IOHandlerRecord *ioh;
1929 fd_set rfds, wfds, xfds;
1930 int ret, nfds;
1931 struct timeval tv;
1932 int timeout;
1933
1934 if (nonblocking)
1935 timeout = 0;
1936 else {
1937 timeout = qemu_calculate_timeout();
1938 qemu_bh_update_timeout(&timeout);
1939 }
1940
1941 host_main_loop_wait(&timeout);
1942
1943 /* poll any events */
1944 /* XXX: separate device handlers from system ones */
1945 nfds = -1;
1946 FD_ZERO(&rfds);
1947 FD_ZERO(&wfds);
1948 FD_ZERO(&xfds);
1949 QLIST_FOREACH(ioh, &io_handlers, next) {
1950 if (ioh->deleted)
1951 continue;
1952 if (ioh->fd_read &&
1953 (!ioh->fd_read_poll ||
1954 ioh->fd_read_poll(ioh->opaque) != 0)) {
1955 FD_SET(ioh->fd, &rfds);
1956 if (ioh->fd > nfds)
1957 nfds = ioh->fd;
1958 }
1959 if (ioh->fd_write) {
1960 FD_SET(ioh->fd, &wfds);
1961 if (ioh->fd > nfds)
1962 nfds = ioh->fd;
1963 }
1964 }
1965
1966 tv.tv_sec = timeout / 1000;
1967 tv.tv_usec = (timeout % 1000) * 1000;
1968
1969 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1970
1971 qemu_mutex_unlock_iothread();
1972 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
1973 qemu_mutex_lock_iothread();
1974 if (ret > 0) {
1975 IOHandlerRecord *pioh;
1976
1977 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
1978 if (ioh->deleted) {
1979 QLIST_REMOVE(ioh, next);
1980 qemu_free(ioh);
1981 continue;
1982 }
1983 if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1984 ioh->fd_read(ioh->opaque);
1985 }
1986 if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1987 ioh->fd_write(ioh->opaque);
1988 }
1989 }
1990 }
1991
1992 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
1993
1994 qemu_run_all_timers();
1995
1996 /* Check bottom-halves last in case any of the earlier events triggered
1997 them. */
1998 qemu_bh_poll();
1999
2000 }
2001
2002 static int vm_can_run(void)
2003 {
2004 if (powerdown_requested)
2005 return 0;
2006 if (reset_requested)
2007 return 0;
2008 if (shutdown_requested)
2009 return 0;
2010 if (debug_requested)
2011 return 0;
2012 return 1;
2013 }
2014
2015 qemu_irq qemu_system_powerdown;
2016
2017 static void main_loop(void)
2018 {
2019 int r;
2020
2021 #ifdef CONFIG_IOTHREAD
2022 qemu_system_ready = 1;
2023 qemu_cond_broadcast(&qemu_system_cond);
2024 #endif
2025
2026 for (;;) {
2027 do {
2028 bool nonblocking = false;
2029 #ifdef CONFIG_PROFILER
2030 int64_t ti;
2031 #endif
2032 #ifndef CONFIG_IOTHREAD
2033 nonblocking = tcg_cpu_exec();
2034 #endif
2035 #ifdef CONFIG_PROFILER
2036 ti = profile_getclock();
2037 #endif
2038 main_loop_wait(nonblocking);
2039 #ifdef CONFIG_PROFILER
2040 dev_time += profile_getclock() - ti;
2041 #endif
2042 } while (vm_can_run());
2043
2044 if ((r = qemu_debug_requested())) {
2045 vm_stop(r);
2046 }
2047 if (qemu_shutdown_requested()) {
2048 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
2049 if (no_shutdown) {
2050 vm_stop(0);
2051 no_shutdown = 0;
2052 } else
2053 break;
2054 }
2055 if (qemu_reset_requested()) {
2056 pause_all_vcpus();
2057 qemu_system_reset();
2058 resume_all_vcpus();
2059 }
2060 if (qemu_powerdown_requested()) {
2061 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
2062 qemu_irq_raise(qemu_system_powerdown);
2063 }
2064 if ((r = qemu_vmstop_requested())) {
2065 vm_stop(r);
2066 }
2067 }
2068 pause_all_vcpus();
2069 }
2070
2071 static void version(void)
2072 {
2073 printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
2074 }
2075
2076 static void help(int exitcode)
2077 {
2078 const char *options_help =
2079 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
2080 opt_help
2081 #define DEFHEADING(text) stringify(text) "\n"
2082 #include "qemu-options.h"
2083 #undef DEF
2084 #undef DEFHEADING
2085 #undef GEN_DOCS
2086 ;
2087 version();
2088 printf("usage: %s [options] [disk_image]\n"
2089 "\n"
2090 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
2091 "\n"
2092 "%s\n"
2093 "During emulation, the following keys are useful:\n"
2094 "ctrl-alt-f toggle full screen\n"
2095 "ctrl-alt-n switch to virtual console 'n'\n"
2096 "ctrl-alt toggle mouse and keyboard grab\n"
2097 "\n"
2098 "When using -nographic, press 'ctrl-a h' to get some help.\n",
2099 "qemu",
2100 options_help);
2101 exit(exitcode);
2102 }
2103
2104 #define HAS_ARG 0x0001
2105
2106 enum {
2107 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
2108 opt_enum,
2109 #define DEFHEADING(text)
2110 #include "qemu-options.h"
2111 #undef DEF
2112 #undef DEFHEADING
2113 #undef GEN_DOCS
2114 };
2115
2116 typedef struct QEMUOption {
2117 const char *name;
2118 int flags;
2119 int index;
2120 uint32_t arch_mask;
2121 } QEMUOption;
2122
2123 static const QEMUOption qemu_options[] = {
2124 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2125 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
2126 { option, opt_arg, opt_enum, arch_mask },
2127 #define DEFHEADING(text)
2128 #include "qemu-options.h"
2129 #undef DEF
2130 #undef DEFHEADING
2131 #undef GEN_DOCS
2132 { NULL },
2133 };
2134 static void select_vgahw (const char *p)
2135 {
2136 const char *opts;
2137
2138 default_vga = 0;
2139 vga_interface_type = VGA_NONE;
2140 if (strstart(p, "std", &opts)) {
2141 vga_interface_type = VGA_STD;
2142 } else if (strstart(p, "cirrus", &opts)) {
2143 vga_interface_type = VGA_CIRRUS;
2144 } else if (strstart(p, "vmware", &opts)) {
2145 vga_interface_type = VGA_VMWARE;
2146 } else if (strstart(p, "xenfb", &opts)) {
2147 vga_interface_type = VGA_XENFB;
2148 } else if (!strstart(p, "none", &opts)) {
2149 invalid_vga:
2150 fprintf(stderr, "Unknown vga type: %s\n", p);
2151 exit(1);
2152 }
2153 while (*opts) {
2154 const char *nextopt;
2155
2156 if (strstart(opts, ",retrace=", &nextopt)) {
2157 opts = nextopt;
2158 if (strstart(opts, "dumb", &nextopt))
2159 vga_retrace_method = VGA_RETRACE_DUMB;
2160 else if (strstart(opts, "precise", &nextopt))
2161 vga_retrace_method = VGA_RETRACE_PRECISE;
2162 else goto invalid_vga;
2163 } else goto invalid_vga;
2164 opts = nextopt;
2165 }
2166 }
2167
2168 static int balloon_parse(const char *arg)
2169 {
2170 QemuOpts *opts;
2171
2172 if (strcmp(arg, "none") == 0) {
2173 return 0;
2174 }
2175
2176 if (!strncmp(arg, "virtio", 6)) {
2177 if (arg[6] == ',') {
2178 /* have params -> parse them */
2179 opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
2180 if (!opts)
2181 return -1;
2182 } else {
2183 /* create empty opts */
2184 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2185 }
2186 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
2187 return 0;
2188 }
2189
2190 return -1;
2191 }
2192
2193 #ifdef _WIN32
2194 static BOOL WINAPI qemu_ctrl_handler(DWORD type)
2195 {
2196 exit(STATUS_CONTROL_C_EXIT);
2197 return TRUE;
2198 }
2199 #endif
2200
2201 #ifndef _WIN32
2202
2203 static void termsig_handler(int signal)
2204 {
2205 qemu_system_shutdown_request();
2206 }
2207
2208 static void sigchld_handler(int signal)
2209 {
2210 waitpid(-1, NULL, WNOHANG);
2211 }
2212
2213 static void sighandler_setup(void)
2214 {
2215 struct sigaction act;
2216
2217 memset(&act, 0, sizeof(act));
2218 act.sa_handler = termsig_handler;
2219 sigaction(SIGINT, &act, NULL);
2220 sigaction(SIGHUP, &act, NULL);
2221 sigaction(SIGTERM, &act, NULL);
2222
2223 act.sa_handler = sigchld_handler;
2224 act.sa_flags = SA_NOCLDSTOP;
2225 sigaction(SIGCHLD, &act, NULL);
2226 }
2227
2228 #endif
2229
2230 #ifdef _WIN32
2231 /* Look for support files in the same directory as the executable. */
2232 static char *find_datadir(const char *argv0)
2233 {
2234 char *p;
2235 char buf[MAX_PATH];
2236 DWORD len;
2237
2238 len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
2239 if (len == 0) {
2240 return NULL;
2241 }
2242
2243 buf[len] = 0;
2244 p = buf + len - 1;
2245 while (p != buf && *p != '\\')
2246 p--;
2247 *p = 0;
2248 if (access(buf, R_OK) == 0) {
2249 return qemu_strdup(buf);
2250 }
2251 return NULL;
2252 }
2253 #else /* !_WIN32 */
2254
2255 /* Find a likely location for support files using the location of the binary.
2256 For installed binaries this will be "$bindir/../share/qemu". When
2257 running from the build tree this will be "$bindir/../pc-bios". */
2258 #define SHARE_SUFFIX "/share/qemu"
2259 #define BUILD_SUFFIX "/pc-bios"
2260 static char *find_datadir(const char *argv0)
2261 {
2262 char *dir;
2263 char *p = NULL;
2264 char *res;
2265 char buf[PATH_MAX];
2266 size_t max_len;
2267
2268 #if defined(__linux__)
2269 {
2270 int len;
2271 len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
2272 if (len > 0) {
2273 buf[len] = 0;
2274 p = buf;
2275 }
2276 }
2277 #elif defined(__FreeBSD__)
2278 {
2279 int len;
2280 len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
2281 if (len > 0) {
2282 buf[len] = 0;
2283 p = buf;
2284 }
2285 }
2286 #endif
2287 /* If we don't have any way of figuring out the actual executable
2288 location then try argv[0]. */
2289 if (!p) {
2290 p = realpath(argv0, buf);
2291 if (!p) {
2292 return NULL;
2293 }
2294 }
2295 dir = dirname(p);
2296 dir = dirname(dir);
2297
2298 max_len = strlen(dir) +
2299 MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
2300 res = qemu_mallocz(max_len);
2301 snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
2302 if (access(res, R_OK)) {
2303 snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
2304 if (access(res, R_OK)) {
2305 qemu_free(res);
2306 res = NULL;
2307 }
2308 }
2309
2310 return res;
2311 }
2312 #undef SHARE_SUFFIX
2313 #undef BUILD_SUFFIX
2314 #endif
2315
2316 char *qemu_find_file(int type, const char *name)
2317 {
2318 int len;
2319 const char *subdir;
2320 char *buf;
2321
2322 /* If name contains path separators then try it as a straight path. */
2323 if ((strchr(name, '/') || strchr(name, '\\'))
2324 && access(name, R_OK) == 0) {
2325 return qemu_strdup(name);
2326 }
2327 switch (type) {
2328 case QEMU_FILE_TYPE_BIOS:
2329 subdir = "";
2330 break;
2331 case QEMU_FILE_TYPE_KEYMAP:
2332 subdir = "keymaps/";
2333 break;
2334 default:
2335 abort();
2336 }
2337 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2338 buf = qemu_mallocz(len);
2339 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2340 if (access(buf, R_OK)) {
2341 qemu_free(buf);
2342 return NULL;
2343 }
2344 return buf;
2345 }
2346
2347 static int device_help_func(QemuOpts *opts, void *opaque)
2348 {
2349 return qdev_device_help(opts);
2350 }
2351
2352 static int device_init_func(QemuOpts *opts, void *opaque)
2353 {
2354 DeviceState *dev;
2355
2356 dev = qdev_device_add(opts);
2357 if (!dev)
2358 return -1;
2359 return 0;
2360 }
2361
2362 static int chardev_init_func(QemuOpts *opts, void *opaque)
2363 {
2364 CharDriverState *chr;
2365
2366 chr = qemu_chr_open_opts(opts, NULL);
2367 if (!chr)
2368 return -1;
2369 return 0;
2370 }
2371
2372 static int mon_init_func(QemuOpts *opts, void *opaque)
2373 {
2374 CharDriverState *chr;
2375 const char *chardev;
2376 const char *mode;
2377 int flags;
2378
2379 mode = qemu_opt_get(opts, "mode");
2380 if (mode == NULL) {
2381 mode = "readline";
2382 }
2383 if (strcmp(mode, "readline") == 0) {
2384 flags = MONITOR_USE_READLINE;
2385 } else if (strcmp(mode, "control") == 0) {
2386 flags = MONITOR_USE_CONTROL;
2387 } else {
2388 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2389 exit(1);
2390 }
2391
2392 if (qemu_opt_get_bool(opts, "default", 0))
2393 flags |= MONITOR_IS_DEFAULT;
2394
2395 chardev = qemu_opt_get(opts, "chardev");
2396 chr = qemu_chr_find(chardev);
2397 if (chr == NULL) {
2398 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2399 exit(1);
2400 }
2401
2402 monitor_init(chr, flags);
2403 return 0;
2404 }
2405
2406 static void monitor_parse(const char *optarg, const char *mode)
2407 {
2408 static int monitor_device_index = 0;
2409 QemuOpts *opts;
2410 const char *p;
2411 char label[32];
2412 int def = 0;
2413
2414 if (strstart(optarg, "chardev:", &p)) {
2415 snprintf(label, sizeof(label), "%s", p);
2416 } else {
2417 if (monitor_device_index) {
2418 snprintf(label, sizeof(label), "monitor%d",
2419 monitor_device_index);
2420 } else {
2421 snprintf(label, sizeof(label), "monitor");
2422 def = 1;
2423 }
2424 opts = qemu_chr_parse_compat(label, optarg);
2425 if (!opts) {
2426 fprintf(stderr, "parse error: %s\n", optarg);
2427 exit(1);
2428 }
2429 }
2430
2431 opts = qemu_opts_create(&qemu_mon_opts, label, 1);
2432 if (!opts) {
2433 fprintf(stderr, "duplicate chardev: %s\n", label);
2434 exit(1);
2435 }
2436 qemu_opt_set(opts, "mode", mode);
2437 qemu_opt_set(opts, "chardev", label);
2438 if (def)
2439 qemu_opt_set(opts, "default", "on");
2440 monitor_device_index++;
2441 }
2442
2443 struct device_config {
2444 enum {
2445 DEV_USB, /* -usbdevice */
2446 DEV_BT, /* -bt */
2447 DEV_SERIAL, /* -serial */
2448 DEV_PARALLEL, /* -parallel */
2449 DEV_VIRTCON, /* -virtioconsole */
2450 DEV_DEBUGCON, /* -debugcon */
2451 } type;
2452 const char *cmdline;
2453 QTAILQ_ENTRY(device_config) next;
2454 };
2455 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2456
2457 static void add_device_config(int type, const char *cmdline)
2458 {
2459 struct device_config *conf;
2460
2461 conf = qemu_mallocz(sizeof(*conf));
2462 conf->type = type;
2463 conf->cmdline = cmdline;
2464 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2465 }
2466
2467 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2468 {
2469 struct device_config *conf;
2470 int rc;
2471
2472 QTAILQ_FOREACH(conf, &device_configs, next) {
2473 if (conf->type != type)
2474 continue;
2475 rc = func(conf->cmdline);
2476 if (0 != rc)
2477 return rc;
2478 }
2479 return 0;
2480 }
2481
2482 static int serial_parse(const char *devname)
2483 {
2484 static int index = 0;
2485 char label[32];
2486
2487 if (strcmp(devname, "none") == 0)
2488 return 0;
2489 if (index == MAX_SERIAL_PORTS) {
2490 fprintf(stderr, "qemu: too many serial ports\n");
2491 exit(1);
2492 }
2493 snprintf(label, sizeof(label), "serial%d", index);
2494 serial_hds[index] = qemu_chr_open(label, devname, NULL);
2495 if (!serial_hds[index]) {
2496 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
2497 devname, strerror(errno));
2498 return -1;
2499 }
2500 index++;
2501 return 0;
2502 }
2503
2504 static int parallel_parse(const char *devname)
2505 {
2506 static int index = 0;
2507 char label[32];
2508
2509 if (strcmp(devname, "none") == 0)
2510 return 0;
2511 if (index == MAX_PARALLEL_PORTS) {
2512 fprintf(stderr, "qemu: too many parallel ports\n");
2513 exit(1);
2514 }
2515 snprintf(label, sizeof(label), "parallel%d", index);
2516 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
2517 if (!parallel_hds[index]) {
2518 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2519 devname, strerror(errno));
2520 return -1;
2521 }
2522 index++;
2523 return 0;
2524 }
2525
2526 static int virtcon_parse(const char *devname)
2527 {
2528 static int index = 0;
2529 char label[32];
2530 QemuOpts *bus_opts, *dev_opts;
2531
2532 if (strcmp(devname, "none") == 0)
2533 return 0;
2534 if (index == MAX_VIRTIO_CONSOLES) {
2535 fprintf(stderr, "qemu: too many virtio consoles\n");
2536 exit(1);
2537 }
2538
2539 bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2540 qemu_opt_set(bus_opts, "driver", "virtio-serial");
2541
2542 dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2543 qemu_opt_set(dev_opts, "driver", "virtconsole");
2544
2545 snprintf(label, sizeof(label), "virtcon%d", index);
2546 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
2547 if (!virtcon_hds[index]) {
2548 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2549 devname, strerror(errno));
2550 return -1;
2551 }
2552 qemu_opt_set(dev_opts, "chardev", label);
2553
2554 index++;
2555 return 0;
2556 }
2557
2558 static int debugcon_parse(const char *devname)
2559 {
2560 QemuOpts *opts;
2561
2562 if (!qemu_chr_open("debugcon", devname, NULL)) {
2563 exit(1);
2564 }
2565 opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
2566 if (!opts) {
2567 fprintf(stderr, "qemu: already have a debugcon device\n");
2568 exit(1);
2569 }
2570 qemu_opt_set(opts, "driver", "isa-debugcon");
2571 qemu_opt_set(opts, "chardev", "debugcon");
2572 return 0;
2573 }
2574
2575 static const QEMUOption *lookup_opt(int argc, char **argv,
2576 const char **poptarg, int *poptind)
2577 {
2578 const QEMUOption *popt;
2579 int optind = *poptind;
2580 char *r = argv[optind];
2581 const char *optarg;
2582
2583 loc_set_cmdline(argv, optind, 1);
2584 optind++;
2585 /* Treat --foo the same as -foo. */
2586 if (r[1] == '-')
2587 r++;
2588 popt = qemu_options;
2589 for(;;) {
2590 if (!popt->name) {
2591 error_report("invalid option");
2592 exit(1);
2593 }
2594 if (!strcmp(popt->name, r + 1))
2595 break;
2596 popt++;
2597 }
2598 if (popt->flags & HAS_ARG) {
2599 if (optind >= argc) {
2600 error_report("requires an argument");
2601 exit(1);
2602 }
2603 optarg = argv[optind++];
2604 loc_set_cmdline(argv, optind - 2, 2);
2605 } else {
2606 optarg = NULL;
2607 }
2608
2609 *poptarg = optarg;
2610 *poptind = optind;
2611
2612 return popt;
2613 }
2614
2615 int main(int argc, char **argv, char **envp)
2616 {
2617 const char *gdbstub_dev = NULL;
2618 uint32_t boot_devices_bitmap = 0;
2619 int i;
2620 int snapshot, linux_boot, net_boot;
2621 const char *icount_option = NULL;
2622 const char *initrd_filename;
2623 const char *kernel_filename, *kernel_cmdline;
2624 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2625 DisplayState *ds;
2626 DisplayChangeListener *dcl;
2627 int cyls, heads, secs, translation;
2628 QemuOpts *hda_opts = NULL, *opts;
2629 int optind;
2630 const char *optarg;
2631 const char *loadvm = NULL;
2632 QEMUMachine *machine;
2633 const char *cpu_model;
2634 #ifndef _WIN32
2635 int fds[2];
2636 #endif
2637 int tb_size;
2638 const char *pid_file = NULL;
2639 const char *incoming = NULL;
2640 #ifndef _WIN32
2641 int fd = 0;
2642 struct passwd *pwd = NULL;
2643 const char *chroot_dir = NULL;
2644 const char *run_as = NULL;
2645 #endif
2646 int show_vnc_port = 0;
2647 int defconfig = 1;
2648
2649 error_set_progname(argv[0]);
2650
2651 init_clocks();
2652
2653 qemu_cache_utils_init(envp);
2654
2655 QLIST_INIT (&vm_change_state_head);
2656 #ifndef _WIN32
2657 {
2658 struct sigaction act;
2659 sigfillset(&act.sa_mask);
2660 act.sa_flags = 0;
2661 act.sa_handler = SIG_IGN;
2662 sigaction(SIGPIPE, &act, NULL);
2663 }
2664 #else
2665 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
2666 /* Note: cpu_interrupt() is currently not SMP safe, so we force
2667 QEMU to run on a single CPU */
2668 {
2669 HANDLE h;
2670 DWORD mask, smask;
2671 int i;
2672 h = GetCurrentProcess();
2673 if (GetProcessAffinityMask(h, &mask, &smask)) {
2674 for(i = 0; i < 32; i++) {
2675 if (mask & (1 << i))
2676 break;
2677 }
2678 if (i != 32) {
2679 mask = 1 << i;
2680 SetProcessAffinityMask(h, mask);
2681 }
2682 }
2683 }
2684 #endif
2685
2686 module_call_init(MODULE_INIT_MACHINE);
2687 machine = find_default_machine();
2688 cpu_model = NULL;
2689 initrd_filename = NULL;
2690 ram_size = 0;
2691 snapshot = 0;
2692 kernel_filename = NULL;
2693 kernel_cmdline = "";
2694 cyls = heads = secs = 0;
2695 translation = BIOS_ATA_TRANSLATION_AUTO;
2696
2697 for (i = 0; i < MAX_NODES; i++) {
2698 node_mem[i] = 0;
2699 node_cpumask[i] = 0;
2700 }
2701
2702 nb_numa_nodes = 0;
2703 nb_nics = 0;
2704
2705 tb_size = 0;
2706 autostart= 1;
2707
2708 /* first pass of option parsing */
2709 optind = 1;
2710 while (optind < argc) {
2711 if (argv[optind][0] != '-') {
2712 /* disk image */
2713 optind++;
2714 continue;
2715 } else {
2716 const QEMUOption *popt;
2717
2718 popt = lookup_opt(argc, argv, &optarg, &optind);
2719 switch (popt->index) {
2720 case QEMU_OPTION_nodefconfig:
2721 defconfig=0;
2722 break;
2723 }
2724 }
2725 }
2726
2727 if (defconfig) {
2728 const char *fname;
2729 FILE *fp;
2730
2731 fname = CONFIG_QEMU_CONFDIR "/qemu.conf";
2732 fp = fopen(fname, "r");
2733 if (fp) {
2734 if (qemu_config_parse(fp, fname) != 0) {
2735 exit(1);
2736 }
2737 fclose(fp);
2738 }
2739
2740 fname = arch_config_name;
2741 fp = fopen(fname, "r");
2742 if (fp) {
2743 if (qemu_config_parse(fp, fname) != 0) {
2744 exit(1);
2745 }
2746 fclose(fp);
2747 }
2748 }
2749 cpudef_init();
2750
2751 /* second pass of option parsing */
2752 optind = 1;
2753 for(;;) {
2754 if (optind >= argc)
2755 break;
2756 if (argv[optind][0] != '-') {
2757 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
2758 } else {
2759 const QEMUOption *popt;
2760
2761 popt = lookup_opt(argc, argv, &optarg, &optind);
2762 if (!(popt->arch_mask & arch_type)) {
2763 printf("Option %s not supported for this target\n", popt->name);
2764 exit(1);
2765 }
2766 switch(popt->index) {
2767 case QEMU_OPTION_M:
2768 machine = find_machine(optarg);
2769 if (!machine) {
2770 QEMUMachine *m;
2771 printf("Supported machines are:\n");
2772 for(m = first_machine; m != NULL; m = m->next) {
2773 if (m->alias)
2774 printf("%-10s %s (alias of %s)\n",
2775 m->alias, m->desc, m->name);
2776 printf("%-10s %s%s\n",
2777 m->name, m->desc,
2778 m->is_default ? " (default)" : "");
2779 }
2780 exit(*optarg != '?');
2781 }
2782 break;
2783 case QEMU_OPTION_cpu:
2784 /* hw initialization will check this */
2785 if (*optarg == '?') {
2786 /* XXX: implement xxx_cpu_list for targets that still miss it */
2787 #if defined(cpu_list_id)
2788 cpu_list_id(stdout, &fprintf, optarg);
2789 #elif defined(cpu_list)
2790 cpu_list(stdout, &fprintf); /* deprecated */
2791 #endif
2792 exit(0);
2793 } else {
2794 cpu_model = optarg;
2795 }
2796 break;
2797 case QEMU_OPTION_initrd:
2798 initrd_filename = optarg;
2799 break;
2800 case QEMU_OPTION_hda:
2801 if (cyls == 0)
2802 hda_opts = drive_add(optarg, HD_ALIAS, 0);
2803 else
2804 hda_opts = drive_add(optarg, HD_ALIAS
2805 ",cyls=%d,heads=%d,secs=%d%s",
2806 0, cyls, heads, secs,
2807 translation == BIOS_ATA_TRANSLATION_LBA ?
2808 ",trans=lba" :
2809 translation == BIOS_ATA_TRANSLATION_NONE ?
2810 ",trans=none" : "");
2811 break;
2812 case QEMU_OPTION_hdb:
2813 case QEMU_OPTION_hdc:
2814 case QEMU_OPTION_hdd:
2815 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
2816 break;
2817 case QEMU_OPTION_drive:
2818 drive_add(NULL, "%s", optarg);
2819 break;
2820 case QEMU_OPTION_set:
2821 if (qemu_set_option(optarg) != 0)
2822 exit(1);
2823 break;
2824 case QEMU_OPTION_global:
2825 if (qemu_global_option(optarg) != 0)
2826 exit(1);
2827 break;
2828 case QEMU_OPTION_mtdblock:
2829 drive_add(optarg, MTD_ALIAS);
2830 break;
2831 case QEMU_OPTION_sd:
2832 drive_add(optarg, SD_ALIAS);
2833 break;
2834 case QEMU_OPTION_pflash:
2835 drive_add(optarg, PFLASH_ALIAS);
2836 break;
2837 case QEMU_OPTION_snapshot:
2838 snapshot = 1;
2839 break;
2840 case QEMU_OPTION_hdachs:
2841 {
2842 const char *p;
2843 p = optarg;
2844 cyls = strtol(p, (char **)&p, 0);
2845 if (cyls < 1 || cyls > 16383)
2846 goto chs_fail;
2847 if (*p != ',')
2848 goto chs_fail;
2849 p++;
2850 heads = strtol(p, (char **)&p, 0);
2851 if (heads < 1 || heads > 16)
2852 goto chs_fail;
2853 if (*p != ',')
2854 goto chs_fail;
2855 p++;
2856 secs = strtol(p, (char **)&p, 0);
2857 if (secs < 1 || secs > 63)
2858 goto chs_fail;
2859 if (*p == ',') {
2860 p++;
2861 if (!strcmp(p, "none"))
2862 translation = BIOS_ATA_TRANSLATION_NONE;
2863 else if (!strcmp(p, "lba"))
2864 translation = BIOS_ATA_TRANSLATION_LBA;
2865 else if (!strcmp(p, "auto"))
2866 translation = BIOS_ATA_TRANSLATION_AUTO;
2867 else
2868 goto chs_fail;
2869 } else if (*p != '\0') {
2870 chs_fail:
2871 fprintf(stderr, "qemu: invalid physical CHS format\n");
2872 exit(1);
2873 }
2874 if (hda_opts != NULL) {
2875 char num[16];
2876 snprintf(num, sizeof(num), "%d", cyls);
2877 qemu_opt_set(hda_opts, "cyls", num);
2878 snprintf(num, sizeof(num), "%d", heads);
2879 qemu_opt_set(hda_opts, "heads", num);
2880 snprintf(num, sizeof(num), "%d", secs);
2881 qemu_opt_set(hda_opts, "secs", num);
2882 if (translation == BIOS_ATA_TRANSLATION_LBA)
2883 qemu_opt_set(hda_opts, "trans", "lba");
2884 if (translation == BIOS_ATA_TRANSLATION_NONE)
2885 qemu_opt_set(hda_opts, "trans", "none");
2886 }
2887 }
2888 break;
2889 case QEMU_OPTION_numa:
2890 if (nb_numa_nodes >= MAX_NODES) {
2891 fprintf(stderr, "qemu: too many NUMA nodes\n");
2892 exit(1);
2893 }
2894 numa_add(optarg);
2895 break;
2896 case QEMU_OPTION_nographic:
2897 display_type = DT_NOGRAPHIC;
2898 break;
2899 #ifdef CONFIG_CURSES
2900 case QEMU_OPTION_curses:
2901 display_type = DT_CURSES;
2902 break;
2903 #endif
2904 case QEMU_OPTION_portrait:
2905 graphic_rotate = 1;
2906 break;
2907 case QEMU_OPTION_kernel:
2908 kernel_filename = optarg;
2909 break;
2910 case QEMU_OPTION_append:
2911 kernel_cmdline = optarg;
2912 break;
2913 case QEMU_OPTION_cdrom:
2914 drive_add(optarg, CDROM_ALIAS);
2915 break;
2916 case QEMU_OPTION_boot:
2917 {
2918 static const char * const params[] = {
2919 "order", "once", "menu", NULL
2920 };
2921 char buf[sizeof(boot_devices)];
2922 char *standard_boot_devices;
2923 int legacy = 0;
2924
2925 if (!strchr(optarg, '=')) {
2926 legacy = 1;
2927 pstrcpy(buf, sizeof(buf), optarg);
2928 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2929 fprintf(stderr,
2930 "qemu: unknown boot parameter '%s' in '%s'\n",
2931 buf, optarg);
2932 exit(1);
2933 }
2934
2935 if (legacy ||
2936 get_param_value(buf, sizeof(buf), "order", optarg)) {
2937 boot_devices_bitmap = parse_bootdevices(buf);
2938 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2939 }
2940 if (!legacy) {
2941 if (get_param_value(buf, sizeof(buf),
2942 "once", optarg)) {
2943 boot_devices_bitmap |= parse_bootdevices(buf);
2944 standard_boot_devices = qemu_strdup(boot_devices);
2945 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2946 qemu_register_reset(restore_boot_devices,
2947 standard_boot_devices);
2948 }
2949 if (get_param_value(buf, sizeof(buf),
2950 "menu", optarg)) {
2951 if (!strcmp(buf, "on")) {
2952 boot_menu = 1;
2953 } else if (!strcmp(buf, "off")) {
2954 boot_menu = 0;
2955 } else {
2956 fprintf(stderr,
2957 "qemu: invalid option value '%s'\n",
2958 buf);
2959 exit(1);
2960 }
2961 }
2962 }
2963 }
2964 break;
2965 case QEMU_OPTION_fda:
2966 case QEMU_OPTION_fdb:
2967 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
2968 break;
2969 case QEMU_OPTION_no_fd_bootchk:
2970 fd_bootchk = 0;
2971 break;
2972 case QEMU_OPTION_netdev:
2973 if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2974 exit(1);
2975 }
2976 break;
2977 case QEMU_OPTION_net:
2978 if (net_client_parse(&qemu_net_opts, optarg) == -1) {
2979 exit(1);
2980 }
2981 break;
2982 #ifdef CONFIG_SLIRP
2983 case QEMU_OPTION_tftp:
2984 legacy_tftp_prefix = optarg;
2985 break;
2986 case QEMU_OPTION_bootp:
2987 legacy_bootp_filename = optarg;
2988 break;
2989 #ifndef _WIN32
2990 case QEMU_OPTION_smb:
2991 if (net_slirp_smb(optarg) < 0)
2992 exit(1);
2993 break;
2994 #endif
2995 case QEMU_OPTION_redir:
2996 if (net_slirp_redir(optarg) < 0)
2997 exit(1);
2998 break;
2999 #endif
3000 case QEMU_OPTION_bt:
3001 add_device_config(DEV_BT, optarg);
3002 break;
3003 case QEMU_OPTION_audio_help:
3004 if (!(audio_available())) {
3005 printf("Option %s not supported for this target\n", popt->name);
3006 exit(1);
3007 }
3008 AUD_help ();
3009 exit (0);
3010 break;
3011 case QEMU_OPTION_soundhw:
3012 if (!(audio_available())) {
3013 printf("Option %s not supported for this target\n", popt->name);
3014 exit(1);
3015 }
3016 select_soundhw (optarg);
3017 break;
3018 case QEMU_OPTION_h:
3019 help(0);
3020 break;
3021 case QEMU_OPTION_version:
3022 version();
3023 exit(0);
3024 break;
3025 case QEMU_OPTION_m: {
3026 uint64_t value;
3027 char *ptr;
3028
3029 value = strtoul(optarg, &ptr, 10);
3030 switch (*ptr) {
3031 case 0: case 'M': case 'm':
3032 value <<= 20;
3033 break;
3034 case 'G': case 'g':
3035 value <<= 30;
3036 break;
3037 default:
3038 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
3039 exit(1);
3040 }
3041
3042 /* On 32-bit hosts, QEMU is limited by virtual address space */
3043 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
3044 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3045 exit(1);
3046 }
3047 if (value != (uint64_t)(ram_addr_t)value) {
3048 fprintf(stderr, "qemu: ram size too large\n");
3049 exit(1);
3050 }
3051 ram_size = value;
3052 break;
3053 }
3054 case QEMU_OPTION_mempath:
3055 mem_path = optarg;
3056 break;
3057 #ifdef MAP_POPULATE
3058 case QEMU_OPTION_mem_prealloc:
3059 mem_prealloc = 1;
3060 break;
3061 #endif
3062 case QEMU_OPTION_d:
3063 set_cpu_log(optarg);
3064 break;
3065 case QEMU_OPTION_s:
3066 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
3067 break;
3068 case QEMU_OPTION_gdb:
3069 gdbstub_dev = optarg;
3070 break;
3071 case QEMU_OPTION_L:
3072 data_dir = optarg;
3073 break;
3074 case QEMU_OPTION_bios:
3075 bios_name = optarg;
3076 break;
3077 case QEMU_OPTION_singlestep:
3078 singlestep = 1;
3079 break;
3080 case QEMU_OPTION_S:
3081 autostart = 0;
3082 break;
3083 case QEMU_OPTION_k:
3084 keyboard_layout = optarg;
3085 break;
3086 case QEMU_OPTION_localtime:
3087 rtc_utc = 0;
3088 break;
3089 case QEMU_OPTION_vga:
3090 select_vgahw (optarg);
3091 break;
3092 case QEMU_OPTION_g:
3093 {
3094 const char *p;
3095 int w, h, depth;
3096 p = optarg;
3097 w = strtol(p, (char **)&p, 10);
3098 if (w <= 0) {
3099 graphic_error:
3100 fprintf(stderr, "qemu: invalid resolution or depth\n");
3101 exit(1);
3102 }
3103 if (*p != 'x')
3104 goto graphic_error;
3105 p++;
3106 h = strtol(p, (char **)&p, 10);
3107 if (h <= 0)
3108 goto graphic_error;
3109 if (*p == 'x') {
3110 p++;
3111 depth = strtol(p, (char **)&p, 10);
3112 if (depth != 8 && depth != 15 && depth != 16 &&
3113 depth != 24 && depth != 32)
3114 goto graphic_error;
3115 } else if (*p == '\0') {
3116 depth = graphic_depth;
3117 } else {
3118 goto graphic_error;
3119 }
3120
3121 graphic_width = w;
3122 graphic_height = h;
3123 graphic_depth = depth;
3124 }
3125 break;
3126 case QEMU_OPTION_echr:
3127 {
3128 char *r;
3129 term_escape_char = strtol(optarg, &r, 0);
3130 if (r == optarg)
3131 printf("Bad argument to echr\n");
3132 break;
3133 }
3134 case QEMU_OPTION_monitor:
3135 monitor_parse(optarg, "readline");
3136 default_monitor = 0;
3137 break;
3138 case QEMU_OPTION_qmp:
3139 monitor_parse(optarg, "control");
3140 default_monitor = 0;
3141 break;
3142 case QEMU_OPTION_mon:
3143 opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
3144 if (!opts) {
3145 fprintf(stderr, "parse error: %s\n", optarg);
3146 exit(1);
3147 }
3148 default_monitor = 0;
3149 break;
3150 case QEMU_OPTION_chardev:
3151 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
3152 if (!opts) {
3153 fprintf(stderr, "parse error: %s\n", optarg);
3154 exit(1);
3155 }
3156 break;
3157 case QEMU_OPTION_serial:
3158 add_device_config(DEV_SERIAL, optarg);
3159 default_serial = 0;
3160 if (strncmp(optarg, "mon:", 4) == 0) {
3161 default_monitor = 0;
3162 }
3163 break;
3164 case QEMU_OPTION_watchdog:
3165 if (watchdog) {
3166 fprintf(stderr,
3167 "qemu: only one watchdog option may be given\n");
3168 return 1;
3169 }
3170 watchdog = optarg;
3171 break;
3172 case QEMU_OPTION_watchdog_action:
3173 if (select_watchdog_action(optarg) == -1) {
3174 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3175 exit(1);
3176 }
3177 break;
3178 case QEMU_OPTION_virtiocon:
3179 add_device_config(DEV_VIRTCON, optarg);
3180 default_virtcon = 0;
3181 if (strncmp(optarg, "mon:", 4) == 0) {
3182 default_monitor = 0;
3183 }
3184 break;
3185 case QEMU_OPTION_parallel:
3186 add_device_config(DEV_PARALLEL, optarg);
3187 default_parallel = 0;
3188 if (strncmp(optarg, "mon:", 4) == 0) {
3189 default_monitor = 0;
3190 }
3191 break;
3192 case QEMU_OPTION_debugcon:
3193 add_device_config(DEV_DEBUGCON, optarg);
3194 break;
3195 case QEMU_OPTION_loadvm:
3196 loadvm = optarg;
3197 break;
3198 case QEMU_OPTION_full_screen:
3199 full_screen = 1;
3200 break;
3201 #ifdef CONFIG_SDL
3202 case QEMU_OPTION_no_frame:
3203 no_frame = 1;
3204 break;
3205 case QEMU_OPTION_alt_grab:
3206 alt_grab = 1;
3207 break;
3208 case QEMU_OPTION_ctrl_grab:
3209 ctrl_grab = 1;
3210 break;
3211 case QEMU_OPTION_no_quit:
3212 no_quit = 1;
3213 break;
3214 case QEMU_OPTION_sdl:
3215 display_type = DT_SDL;
3216 break;
3217 #endif
3218 case QEMU_OPTION_pidfile:
3219 pid_file = optarg;
3220 break;
3221 case QEMU_OPTION_win2k_hack:
3222 win2k_install_hack = 1;
3223 break;
3224 case QEMU_OPTION_rtc_td_hack:
3225 rtc_td_hack = 1;
3226 break;
3227 case QEMU_OPTION_acpitable:
3228 do_acpitable_option(optarg);
3229 break;
3230 case QEMU_OPTION_smbios:
3231 do_smbios_option(optarg);
3232 break;
3233 case QEMU_OPTION_enable_kvm:
3234 if (!(kvm_available())) {
3235 printf("Option %s not supported for this target\n", popt->name);
3236 exit(1);
3237 }
3238 kvm_allowed = 1;
3239 break;
3240 case QEMU_OPTION_usb:
3241 usb_enabled = 1;
3242 break;
3243 case QEMU_OPTION_usbdevice:
3244 usb_enabled = 1;
3245 add_device_config(DEV_USB, optarg);
3246 break;
3247 case QEMU_OPTION_device:
3248 if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
3249 exit(1);
3250 }
3251 break;
3252 case QEMU_OPTION_smp:
3253 smp_parse(optarg);
3254 if (smp_cpus < 1) {
3255 fprintf(stderr, "Invalid number of CPUs\n");
3256 exit(1);
3257 }
3258 if (max_cpus < smp_cpus) {
3259 fprintf(stderr, "maxcpus must be equal to or greater than "
3260 "smp\n");
3261 exit(1);
3262 }
3263 if (max_cpus > 255) {
3264 fprintf(stderr, "Unsupported number of maxcpus\n");
3265 exit(1);
3266 }
3267 break;
3268 case QEMU_OPTION_vnc:
3269 display_type = DT_VNC;
3270 vnc_display = optarg;
3271 break;
3272 case QEMU_OPTION_no_acpi:
3273 acpi_enabled = 0;
3274 break;
3275 case QEMU_OPTION_no_hpet:
3276 no_hpet = 1;
3277 break;
3278 case QEMU_OPTION_balloon:
3279 if (balloon_parse(optarg) < 0) {
3280 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3281 exit(1);
3282 }
3283 break;
3284 case QEMU_OPTION_no_reboot:
3285 no_reboot = 1;
3286 break;
3287 case QEMU_OPTION_no_shutdown:
3288 no_shutdown = 1;
3289 break;
3290 case QEMU_OPTION_show_cursor:
3291 cursor_hide = 0;
3292 break;
3293 case QEMU_OPTION_uuid:
3294 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3295 fprintf(stderr, "Fail to parse UUID string."
3296 " Wrong format.\n");
3297 exit(1);
3298 }
3299 break;
3300 #ifndef _WIN32
3301 case QEMU_OPTION_daemonize:
3302 daemonize = 1;
3303 break;
3304 #endif
3305 case QEMU_OPTION_option_rom:
3306 if (nb_option_roms >= MAX_OPTION_ROMS) {
3307 fprintf(stderr, "Too many option ROMs\n");
3308 exit(1);
3309 }
3310 option_rom[nb_option_roms] = optarg;
3311 nb_option_roms++;
3312 break;
3313 case QEMU_OPTION_semihosting:
3314 semihosting_enabled = 1;
3315 break;
3316 case QEMU_OPTION_name:
3317 qemu_name = qemu_strdup(optarg);
3318 {
3319 char *p = strchr(qemu_name, ',');
3320 if (p != NULL) {
3321 *p++ = 0;
3322 if (strncmp(p, "process=", 8)) {
3323 fprintf(stderr, "Unknown subargument %s to -name", p);
3324 exit(1);
3325 }
3326 p += 8;
3327 set_proc_name(p);
3328 }
3329 }
3330 break;
3331 case QEMU_OPTION_prom_env:
3332 if (nb_prom_envs >= MAX_PROM_ENVS) {
3333 fprintf(stderr, "Too many prom variables\n");
3334 exit(1);
3335 }
3336 prom_envs[nb_prom_envs] = optarg;
3337 nb_prom_envs++;
3338 break;
3339 case QEMU_OPTION_old_param:
3340 old_param = 1;
3341 break;
3342 case QEMU_OPTION_clock:
3343 configure_alarms(optarg);
3344 break;
3345 case QEMU_OPTION_startdate:
3346 configure_rtc_date_offset(optarg, 1);
3347 break;
3348 case QEMU_OPTION_rtc:
3349 opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
3350 if (!opts) {
3351 fprintf(stderr, "parse error: %s\n", optarg);
3352 exit(1);
3353 }
3354 configure_rtc(opts);
3355 break;
3356 case QEMU_OPTION_tb_size:
3357 tb_size = strtol(optarg, NULL, 0);
3358 if (tb_size < 0)
3359 tb_size = 0;
3360 break;
3361 case QEMU_OPTION_icount:
3362 icount_option = optarg;
3363 break;
3364 case QEMU_OPTION_incoming:
3365 incoming = optarg;
3366 break;
3367 case QEMU_OPTION_nodefaults:
3368 default_serial = 0;
3369 default_parallel = 0;
3370 default_virtcon = 0;
3371 default_monitor = 0;
3372 default_vga = 0;
3373 default_net = 0;
3374 default_floppy = 0;
3375 default_cdrom = 0;
3376 default_sdcard = 0;
3377 break;
3378 #ifndef _WIN32
3379 case QEMU_OPTION_chroot:
3380 chroot_dir = optarg;
3381 break;
3382 case QEMU_OPTION_runas:
3383 run_as = optarg;
3384 break;
3385 #endif
3386 case QEMU_OPTION_xen_domid:
3387 if (!(xen_available())) {
3388 printf("Option %s not supported for this target\n", popt->name);
3389 exit(1);
3390 }
3391 xen_domid = atoi(optarg);
3392 break;
3393 case QEMU_OPTION_xen_create:
3394 if (!(xen_available())) {
3395 printf("Option %s not supported for this target\n", popt->name);
3396 exit(1);
3397 }
3398 xen_mode = XEN_CREATE;
3399 break;
3400 case QEMU_OPTION_xen_attach:
3401 if (!(xen_available())) {
3402 printf("Option %s not supported for this target\n", popt->name);
3403 exit(1);
3404 }
3405 xen_mode = XEN_ATTACH;
3406 break;
3407 case QEMU_OPTION_readconfig:
3408 {
3409 FILE *fp;
3410 fp = fopen(optarg, "r");
3411 if (fp == NULL) {
3412 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3413 exit(1);
3414 }
3415 if (qemu_config_parse(fp, optarg) != 0) {
3416 exit(1);
3417 }
3418 fclose(fp);
3419 break;
3420 }
3421 case QEMU_OPTION_writeconfig:
3422 {
3423 FILE *fp;
3424 if (strcmp(optarg, "-") == 0) {
3425 fp = stdout;
3426 } else {
3427 fp = fopen(optarg, "w");
3428 if (fp == NULL) {
3429 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3430 exit(1);
3431 }
3432 }
3433 qemu_config_write(fp);
3434 fclose(fp);
3435 break;
3436 }
3437 }
3438 }
3439 }
3440 loc_set_none();
3441
3442 /* If no data_dir is specified then try to find it relative to the
3443 executable path. */
3444 if (!data_dir) {
3445 data_dir = find_datadir(argv[0]);
3446 }
3447 /* If all else fails use the install patch specified when building. */
3448 if (!data_dir) {
3449 data_dir = CONFIG_QEMU_SHAREDIR;
3450 }
3451
3452 /*
3453 * Default to max_cpus = smp_cpus, in case the user doesn't
3454 * specify a max_cpus value.
3455 */
3456 if (!max_cpus)
3457 max_cpus = smp_cpus;
3458
3459 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3460 if (smp_cpus > machine->max_cpus) {
3461 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3462 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3463 machine->max_cpus);
3464 exit(1);
3465 }
3466
3467 qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
3468 qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
3469
3470 if (machine->no_serial) {
3471 default_serial = 0;
3472 }
3473 if (machine->no_parallel) {
3474 default_parallel = 0;
3475 }
3476 if (!machine->use_virtcon) {
3477 default_virtcon = 0;
3478 }
3479 if (machine->no_vga) {
3480 default_vga = 0;
3481 }
3482 if (machine->no_floppy) {
3483 default_floppy = 0;
3484 }
3485 if (machine->no_cdrom) {
3486 default_cdrom = 0;
3487 }
3488 if (machine->no_sdcard) {
3489 default_sdcard = 0;
3490 }
3491
3492 if (display_type == DT_NOGRAPHIC) {
3493 if (default_parallel)
3494 add_device_config(DEV_PARALLEL, "null");
3495 if (default_serial && default_monitor) {
3496 add_device_config(DEV_SERIAL, "mon:stdio");
3497 } else if (default_virtcon && default_monitor) {
3498 add_device_config(DEV_VIRTCON, "mon:stdio");
3499 } else {
3500 if (default_serial)
3501 add_device_config(DEV_SERIAL, "stdio");
3502 if (default_virtcon)
3503 add_device_config(DEV_VIRTCON, "stdio");
3504 if (default_monitor)
3505 monitor_parse("stdio", "readline");
3506 }
3507 } else {
3508 if (default_serial)
3509 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3510 if (default_parallel)
3511 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3512 if (default_monitor)
3513 monitor_parse("vc:80Cx24C", "readline");
3514 if (default_virtcon)
3515 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3516 }
3517 if (default_vga)
3518 vga_interface_type = VGA_CIRRUS;
3519
3520 if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
3521 exit(1);
3522
3523 #ifndef _WIN32
3524 if (daemonize) {
3525 pid_t pid;
3526
3527 if (pipe(fds) == -1)
3528 exit(1);
3529
3530 pid = fork();
3531 if (pid > 0) {
3532 uint8_t status;
3533 ssize_t len;
3534
3535 close(fds[1]);
3536
3537 again:
3538 len = read(fds[0], &status, 1);
3539 if (len == -1 && (errno == EINTR))
3540 goto again;
3541
3542 if (len != 1)
3543 exit(1);
3544 else if (status == 1) {
3545 fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
3546 exit(1);
3547 } else
3548 exit(0);
3549 } else if (pid < 0)
3550 exit(1);
3551
3552 close(fds[0]);
3553 qemu_set_cloexec(fds[1]);
3554
3555 setsid();
3556
3557 pid = fork();
3558 if (pid > 0)
3559 exit(0);
3560 else if (pid < 0)
3561 exit(1);
3562
3563 umask(027);
3564
3565 signal(SIGTSTP, SIG_IGN);
3566 signal(SIGTTOU, SIG_IGN);
3567 signal(SIGTTIN, SIG_IGN);
3568 }
3569 #endif
3570
3571 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3572 #ifndef _WIN32
3573 if (daemonize) {
3574 uint8_t status = 1;
3575 if (write(fds[1], &status, 1) != 1) {
3576 perror("daemonize. Writing to pipe\n");
3577 }
3578 } else
3579 #endif
3580 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
3581 exit(1);
3582 }
3583
3584 if (kvm_enabled()) {
3585 int ret;
3586
3587 ret = kvm_init(smp_cpus);
3588 if (ret < 0) {
3589 fprintf(stderr, "failed to initialize KVM\n");
3590 exit(1);
3591 }
3592 }
3593
3594 if (qemu_init_main_loop()) {
3595 fprintf(stderr, "qemu_init_main_loop failed\n");
3596 exit(1);
3597 }
3598 linux_boot = (kernel_filename != NULL);
3599
3600 if (!linux_boot && *kernel_cmdline != '\0') {
3601 fprintf(stderr, "-append only allowed with -kernel option\n");
3602 exit(1);
3603 }
3604
3605 if (!linux_boot && initrd_filename != NULL) {
3606 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3607 exit(1);
3608 }
3609
3610 #ifndef _WIN32
3611 /* Win32 doesn't support line-buffering and requires size >= 2 */
3612 setvbuf(stdout, NULL, _IOLBF, 0);
3613 #endif
3614
3615 if (init_timer_alarm() < 0) {
3616 fprintf(stderr, "could not initialize alarm timer\n");
3617 exit(1);
3618 }
3619 configure_icount(icount_option);
3620
3621 #ifdef _WIN32
3622 socket_init();
3623 #endif
3624
3625 if (net_init_clients() < 0) {
3626 exit(1);
3627 }
3628
3629 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
3630 net_set_boot_mask(net_boot);
3631
3632 /* init the bluetooth world */
3633 if (foreach_device_config(DEV_BT, bt_parse))
3634 exit(1);
3635
3636 /* init the memory */
3637 if (ram_size == 0)
3638 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3639
3640 /* init the dynamic translator */
3641 cpu_exec_init_all(tb_size * 1024 * 1024);
3642
3643 bdrv_init_with_whitelist();
3644
3645 blk_mig_init();
3646
3647 if (default_cdrom) {
3648 /* we always create the cdrom drive, even if no disk is there */
3649 drive_add(NULL, CDROM_ALIAS);
3650 }
3651
3652 if (default_floppy) {
3653 /* we always create at least one floppy */
3654 drive_add(NULL, FD_ALIAS, 0);
3655 }
3656
3657 if (default_sdcard) {
3658 /* we always create one sd slot, even if no card is in it */
3659 drive_add(NULL, SD_ALIAS);
3660 }
3661
3662 /* open the virtual block devices */
3663 if (snapshot)
3664 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
3665 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
3666 exit(1);
3667
3668 register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL,
3669 ram_load, NULL);
3670
3671 if (nb_numa_nodes > 0) {
3672 int i;
3673
3674 if (nb_numa_nodes > smp_cpus) {
3675 nb_numa_nodes = smp_cpus;
3676 }
3677
3678 /* If no memory size if given for any node, assume the default case
3679 * and distribute the available memory equally across all nodes
3680 */
3681 for (i = 0; i < nb_numa_nodes; i++) {
3682 if (node_mem[i] != 0)
3683 break;
3684 }
3685 if (i == nb_numa_nodes) {
3686 uint64_t usedmem = 0;
3687
3688 /* On Linux, the each node's border has to be 8MB aligned,
3689 * the final node gets the rest.
3690 */
3691 for (i = 0; i < nb_numa_nodes - 1; i++) {
3692 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3693 usedmem += node_mem[i];
3694 }
3695 node_mem[i] = ram_size - usedmem;
3696 }
3697
3698 for (i = 0; i < nb_numa_nodes; i++) {
3699 if (node_cpumask[i] != 0)
3700 break;
3701 }
3702 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3703 * must cope with this anyway, because there are BIOSes out there in
3704 * real machines which also use this scheme.
3705 */
3706 if (i == nb_numa_nodes) {
3707 for (i = 0; i < smp_cpus; i++) {
3708 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3709 }
3710 }
3711 }
3712
3713 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3714 exit(1);
3715 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3716 exit(1);
3717 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3718 exit(1);
3719 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3720 exit(1);
3721
3722 module_call_init(MODULE_INIT_DEVICE);
3723
3724 if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
3725 exit(0);
3726
3727 if (watchdog) {
3728 i = select_watchdog(watchdog);
3729 if (i > 0)
3730 exit (i == 1 ? 1 : 0);
3731 }
3732
3733 if (machine->compat_props) {
3734 qdev_prop_register_global_list(machine->compat_props);
3735 }
3736 qemu_add_globals();
3737
3738 machine->init(ram_size, boot_devices,
3739 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3740
3741 cpu_synchronize_all_post_init();
3742
3743 #ifndef _WIN32
3744 /* must be after terminal init, SDL library changes signal handlers */
3745 sighandler_setup();
3746 #endif
3747
3748 set_numa_modes();
3749
3750 current_machine = machine;
3751
3752 /* init USB devices */
3753 if (usb_enabled) {
3754 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3755 exit(1);
3756 }
3757
3758 /* init generic devices */
3759 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
3760 exit(1);
3761
3762 net_check_clients();
3763
3764 /* just use the first displaystate for the moment */
3765 ds = get_displaystate();
3766
3767 if (display_type == DT_DEFAULT) {
3768 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3769 display_type = DT_SDL;
3770 #else
3771 display_type = DT_VNC;
3772 vnc_display = "localhost:0,to=99";
3773 show_vnc_port = 1;
3774 #endif
3775 }
3776
3777
3778 switch (display_type) {
3779 case DT_NOGRAPHIC:
3780 break;
3781 #if defined(CONFIG_CURSES)
3782 case DT_CURSES:
3783 curses_display_init(ds, full_screen);
3784 break;
3785 #endif
3786 #if defined(CONFIG_SDL)
3787 case DT_SDL:
3788 sdl_display_init(ds, full_screen, no_frame);
3789 break;
3790 #elif defined(CONFIG_COCOA)
3791 case DT_SDL:
3792 cocoa_display_init(ds, full_screen);
3793 break;
3794 #endif
3795 case DT_VNC:
3796 vnc_display_init(ds);
3797 if (vnc_display_open(ds, vnc_display) < 0)
3798 exit(1);
3799
3800 if (show_vnc_port) {
3801 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3802 }
3803 break;
3804 default:
3805 break;
3806 }
3807 dpy_resize(ds);
3808
3809 dcl = ds->listeners;
3810 while (dcl != NULL) {
3811 if (dcl->dpy_refresh != NULL) {
3812 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3813 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
3814 }
3815 dcl = dcl->next;
3816 }
3817
3818 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
3819 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3820 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3821 }
3822
3823 text_consoles_set_display(ds);
3824
3825 if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0)
3826 exit(1);
3827
3828 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3829 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3830 gdbstub_dev);
3831 exit(1);
3832 }
3833
3834 qdev_machine_creation_done();
3835
3836 if (rom_load_all() != 0) {
3837 fprintf(stderr, "rom loading failed\n");
3838 exit(1);
3839 }
3840
3841 qemu_system_reset();
3842 if (loadvm) {
3843 if (load_vmstate(loadvm) < 0) {
3844 autostart = 0;
3845 }
3846 }
3847
3848 if (incoming) {
3849 qemu_start_incoming_migration(incoming);
3850 } else if (autostart) {
3851 vm_start();
3852 }
3853
3854 #ifndef _WIN32
3855 if (daemonize) {
3856 uint8_t status = 0;
3857 ssize_t len;
3858
3859 again1:
3860 len = write(fds[1], &status, 1);
3861 if (len == -1 && (errno == EINTR))
3862 goto again1;
3863
3864 if (len != 1)
3865 exit(1);
3866
3867 if (chdir("/")) {
3868 perror("not able to chdir to /");
3869 exit(1);
3870 }
3871 TFR(fd = qemu_open("/dev/null", O_RDWR));
3872 if (fd == -1)
3873 exit(1);
3874 }
3875
3876 if (run_as) {
3877 pwd = getpwnam(run_as);
3878 if (!pwd) {
3879 fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
3880 exit(1);
3881 }
3882 }
3883
3884 if (chroot_dir) {
3885 if (chroot(chroot_dir) < 0) {
3886 fprintf(stderr, "chroot failed\n");
3887 exit(1);
3888 }
3889 if (chdir("/")) {
3890 perror("not able to chdir to /");
3891 exit(1);
3892 }
3893 }
3894
3895 if (run_as) {
3896 if (setgid(pwd->pw_gid) < 0) {
3897 fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
3898 exit(1);
3899 }
3900 if (setuid(pwd->pw_uid) < 0) {
3901 fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
3902 exit(1);
3903 }
3904 if (setuid(0) != -1) {
3905 fprintf(stderr, "Dropping privileges failed\n");
3906 exit(1);
3907 }
3908 }
3909
3910 if (daemonize) {
3911 dup2(fd, 0);
3912 dup2(fd, 1);
3913 dup2(fd, 2);
3914
3915 close(fd);
3916 }
3917 #endif
3918
3919 main_loop();
3920 quit_timers();
3921 net_cleanup();
3922
3923 return 0;
3924 }
Anthony Liguori's QEMU queue