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qemu-sockets: avoid strlen of NULL pointer
[qemu.git] / vl.c
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0824d6fc 1/*
80cabfad 2 * QEMU System Emulator
5fafdf24 3 *
68d0f70e 4 * Copyright (c) 2003-2008 Fabrice Bellard
5fafdf24 5 *
1df912cf
FB		 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.
0824d6fc 23 */
0824d6fc 24#include <unistd.h>
0824d6fc
FB		 25#include <fcntl.h>
26#include <signal.h>
27#include <time.h>
0824d6fc 28#include <errno.h>
67b915a5 29#include <sys/time.h>
c88676f8 30#include <zlib.h>
67b915a5 31
71e72a19 32/* Needed early for CONFIG_BSD etc. */
d40cdb10
BS		 33#include "config-host.h"
34
67b915a5 35#ifndef _WIN32
5cea8590 36#include <libgen.h>
0858532e 37#include <pwd.h>
67b915a5 38#include <sys/times.h>
f1510b2c 39#include <sys/wait.h>
67b915a5 40#include <termios.h>
67b915a5 41#include <sys/mman.h>
f1510b2c 42#include <sys/ioctl.h>
24646c7e 43#include <sys/resource.h>
f1510b2c 44#include <sys/socket.h>
c94c8d64 45#include <netinet/in.h>
24646c7e 46#include <net/if.h>
24646c7e 47#include <arpa/inet.h>
9d728e8c 48#include <dirent.h>
7c9d8e07 49#include <netdb.h>
cb4b976b 50#include <sys/select.h>
71e72a19 51#ifdef CONFIG_BSD
7d3505c5 52#include <sys/stat.h>
a167ba50 53#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
7d3505c5 54#include <libutil.h>
92c0e657 55#include <sys/sysctl.h>
24646c7e
BS		 56#else
57#include <util.h>
128ab2ff 58#endif
bbe813a2 59#else
223f0d72 60#ifdef __linux__
7d3505c5
FB		 61#include <pty.h>
62#include <malloc.h>
1889465a 63#include <sys/prctl.h>
bd494f4c 64
e57a8c0e 65#include <linux/ppdev.h>
5867c88a 66#include <linux/parport.h>
223f0d72
BS		 67#endif
68#ifdef __sun__
d5d10bc3
TS		 69#include <sys/stat.h>
70#include <sys/ethernet.h>
71#include <sys/sockio.h>
d5d10bc3
TS		 72#include <netinet/arp.h>
73#include <netinet/in.h>
74#include <netinet/in_systm.h>
75#include <netinet/ip.h>
76#include <netinet/ip_icmp.h> // must come after ip.h
77#include <netinet/udp.h>
78#include <netinet/tcp.h>
79#include <net/if.h>
80#include <syslog.h>
81#include <stropts.h>
8d32cf0e
BS		 82/* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for
83 discussion about Solaris header problems */
84extern int madvise(caddr_t, size_t, int);
67b915a5 85#endif
7d3505c5 86#endif
ec530c81 87#endif
67b915a5 88
9892fbfb
BS		 89#if defined(__OpenBSD__)
90#include <util.h>
91#endif
92
8a16d273
TS		 93#if defined(CONFIG_VDE)
94#include <libvdeplug.h>
95#endif
96
67b915a5 97#ifdef _WIN32
49dc768d 98#include <windows.h>
67b915a5
FB		 99#endif
100
73332e5c 101#ifdef CONFIG_SDL
59a36a2f 102#if defined(__APPLE__) || defined(main)
6693665a 103#include <SDL.h>
880fec5d 104int qemu_main(int argc, char **argv, char **envp);
105int main(int argc, char **argv)
106{
59a36a2f 107 return qemu_main(argc, argv, NULL);
880fec5d 108}
109#undef main
110#define main qemu_main
96bcd4f8 111#endif
73332e5c 112#endif /* CONFIG_SDL */
0824d6fc 113
5b0753e0
FB		 114#ifdef CONFIG_COCOA
115#undef main
116#define main qemu_main
117#endif /* CONFIG_COCOA */
118
511d2b14
BS		 119#include "hw/hw.h"
120#include "hw/boards.h"
121#include "hw/usb.h"
122#include "hw/pcmcia.h"
123#include "hw/pc.h"
511d2b14
BS		 124#include "hw/isa.h"
125#include "hw/baum.h"
126#include "hw/bt.h"
9dd986cc 127#include "hw/watchdog.h"
b6f6e3d3 128#include "hw/smbios.h"
e37630ca 129#include "hw/xen.h"
bd3c948d 130#include "hw/qdev.h"
45a50b16 131#include "hw/loader.h"
5ef4efa4 132#include "bt-host.h"
511d2b14 133#include "net.h"
68ac40d2 134#include "net/slirp.h"
511d2b14
BS		 135#include "monitor.h"
136#include "console.h"
137#include "sysemu.h"
138#include "gdbstub.h"
139#include "qemu-timer.h"
140#include "qemu-char.h"
141#include "cache-utils.h"
142#include "block.h"
c163b5ca 143#include "block_int.h"
144#include "block-migration.h"
a718acec 145#include "dma.h"
511d2b14
BS		 146#include "audio/audio.h"
147#include "migration.h"
148#include "kvm.h"
d3f24367 149#include "qemu-option.h"
7282a033 150#include "qemu-config.h"
e78c48ec 151#include "qemu-objects.h"
74db920c
GS		 152#ifdef CONFIG_LINUX
153#include "fsdev/qemu-fsdev.h"
154#endif
511d2b14 155
0824d6fc 156#include "disas.h"
fc01f7e7 157
511d2b14
BS		 158#include "qemu_socket.h"
159
d918f23e 160#include "slirp/libslirp.h"
511d2b14 161
72cf2d4f 162#include "qemu-queue.h"
296af7c9 163#include "cpus.h"
ad96090a 164#include "arch_init.h"
72cf2d4f 165
9dc63a1e
BS		 166//#define DEBUG_NET
167//#define DEBUG_SLIRP
330d0414 168
1bfe856e 169#define DEFAULT_RAM_SIZE 128
313aa567 170
98b19252
AS		 171#define MAX_VIRTIO_CONSOLES 1
172
5cea8590 173static const char *data_dir;
1192dad8 174const char *bios_name = NULL;
e4bcb14c 175/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
faea38e7 176 to store the VM snapshots */
72cf2d4f
BS		 177struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
178struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts);
cb5a7aa8 179enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
993fbfdb 180DisplayType display_type = DT_DEFAULT;
3d11d0eb 181const char* keyboard_layout = NULL;
c227f099 182ram_addr_t ram_size;
c902760f
MT		 183const char *mem_path = NULL;
184#ifdef MAP_POPULATE
185int mem_prealloc = 0; /* force preallocation of physical target memory */
186#endif
c4b1fcc0 187int nb_nics;
7c9d8e07 188NICInfo nd_table[MAX_NICS];
8a7ddc38 189int vm_running;
d399f677 190int autostart;
f6503059
AZ		 191static int rtc_utc = 1;
192static int rtc_date_offset = -1; /* -1 means no change */
6875204c 193QEMUClock *rtc_clock;
64465297 194int vga_interface_type = VGA_NONE;
dbed7e40 195static int full_screen = 0;
634a21f6 196#ifdef CONFIG_SDL
dbed7e40 197static int no_frame = 0;
634a21f6 198#endif
667accab 199int no_quit = 0;
8d11df9e 200CharDriverState *serial_hds[MAX_SERIAL_PORTS];
6508fe59 201CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
9ede2fde 202CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
a09db21f 203int win2k_install_hack = 0;
73822ec8 204int rtc_td_hack = 0;
bb36d470 205int usb_enabled = 0;
1b530a6d 206int singlestep = 0;
6a00d601 207int smp_cpus = 1;
6be68d7e 208int max_cpus = 0;
dc6b1c09
AP		 209int smp_cores = 1;
210int smp_threads = 1;
73fc9742 211const char *vnc_display;
6515b203 212int acpi_enabled = 1;
16b29ae1 213int no_hpet = 0;
52ca8d6a 214int fd_bootchk = 1;
d1beab82 215int no_reboot = 0;
b2f76161 216int no_shutdown = 0;
9467cd46 217int cursor_hide = 1;
a171fe39 218int graphic_rotate = 0;
6b35e7bf 219uint8_t irq0override = 1;
b9e82a59 220#ifndef _WIN32
71e3ceb8 221int daemonize = 0;
b9e82a59 222#endif
09aaa160 223const char *watchdog;
9ae02555
TS		 224const char *option_rom[MAX_OPTION_ROMS];
225int nb_option_roms;
8e71621f 226int semihosting_enabled = 0;
2b8f2d41 227int old_param = 0;
c35734b2 228const char *qemu_name;
3780e197 229int alt_grab = 0;
0ca9f8a4 230int ctrl_grab = 0;
66508601
BS		 231unsigned int nb_prom_envs = 0;
232const char *prom_envs[MAX_PROM_ENVS];
95387491 233int boot_menu;
0824d6fc 234
268a362c
AL		 235int nb_numa_nodes;
236uint64_t node_mem[MAX_NODES];
237uint64_t node_cpumask[MAX_NODES];
238
9043b62d 239static QEMUTimer *nographic_timer;
ee5605e5 240
8fcb1b90
BS		 241uint8_t qemu_uuid[16];
242
76e30d0f
JK		 243static QEMUBootSetHandler *boot_set_handler;
244static void *boot_set_opaque;
245
d745bef8
BS		 246int kvm_allowed = 0;
247uint32_t xen_domid;
248enum xen_mode xen_mode = XEN_EMULATE;
249
998bbd74 250static int default_serial = 1;
6a5e8b0e 251static int default_parallel = 1;
986c5f78 252static int default_virtcon = 1;
abdeed06 253static int default_monitor = 1;
64465297 254static int default_vga = 1;
ac33f8fa
GH		 255static int default_floppy = 1;
256static int default_cdrom = 1;
257static int default_sdcard = 1;
998bbd74
GH		 258
259static struct {
260 const char *driver;
261 int *flag;
262} default_list[] = {
6a5e8b0e
GH		 263 { .driver = "isa-serial", .flag = &default_serial },
264 { .driver = "isa-parallel", .flag = &default_parallel },
d8bcbabf
GH		 265 { .driver = "isa-fdc", .flag = &default_floppy },
266 { .driver = "ide-drive", .flag = &default_cdrom },
392ecf54
AS		 267 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
268 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
269 { .driver = "virtio-serial", .flag = &default_virtcon },
64465297 270 { .driver = "VGA", .flag = &default_vga },
69fd02ee
GH		 271 { .driver = "cirrus-vga", .flag = &default_vga },
272 { .driver = "vmware-svga", .flag = &default_vga },
998bbd74
GH		 273};
274
275static int default_driver_check(QemuOpts *opts, void *opaque)
276{
277 const char *driver = qemu_opt_get(opts, "driver");
278 int i;
279
280 if (!driver)
281 return 0;
282 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
283 if (strcmp(default_list[i].driver, driver) != 0)
284 continue;
285 *(default_list[i].flag) = 0;
286 }
287 return 0;
288}
289
0824d6fc 290/***********************************************************/
0824d6fc 291
1889465a
AK		 292static void set_proc_name(const char *s)
293{
6ca8d0fd 294#if defined(__linux__) && defined(PR_SET_NAME)
1889465a
AK		 295 char name[16];
296 if (!s)
297 return;
298 name[sizeof(name) - 1] = 0;
299 strncpy(name, s, sizeof(name));
300 /* Could rewrite argv[0] too, but that's a bit more complicated.
301 This simple way is enough for `top'. */
302 prctl(PR_SET_NAME, name);
303#endif
304}
df751fa8 305
8f0056b7
PB		 306/***********************************************************/
307/* real time host monotonic timer */
09b26c5e 308
1dce7c3c
FB		 309/* compute with 96 bit intermediate result: (a*b)/c */
310uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
0824d6fc 311{
1dce7c3c
FB		 312 union {
313 uint64_t ll;
314 struct {
e2542fe2 315#ifdef HOST_WORDS_BIGENDIAN
1dce7c3c
FB		 316 uint32_t high, low;
317#else
318 uint32_t low, high;
3b46e624 319#endif
1dce7c3c
FB		 320 } l;
321 } u, res;
322 uint64_t rl, rh;
0824d6fc 323
1dce7c3c
FB		 324 u.ll = a;
325 rl = (uint64_t)u.l.low * (uint64_t)b;
326 rh = (uint64_t)u.l.high * (uint64_t)b;
327 rh += (rl >> 32);
328 res.l.high = rh / c;
329 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
330 return res.ll;
34865134
FB		 331}
332
f6503059
AZ		 333/***********************************************************/
334/* host time/date access */
335void qemu_get_timedate(struct tm *tm, int offset)
336{
337 time_t ti;
338 struct tm *ret;
339
340 time(&ti);
341 ti += offset;
342 if (rtc_date_offset == -1) {
343 if (rtc_utc)
344 ret = gmtime(&ti);
345 else
346 ret = localtime(&ti);
347 } else {
348 ti -= rtc_date_offset;
349 ret = gmtime(&ti);
350 }
351
352 memcpy(tm, ret, sizeof(struct tm));
353}
354
355int qemu_timedate_diff(struct tm *tm)
356{
357 time_t seconds;
358
359 if (rtc_date_offset == -1)
360 if (rtc_utc)
361 seconds = mktimegm(tm);
362 else
363 seconds = mktime(tm);
364 else
365 seconds = mktimegm(tm) + rtc_date_offset;
366
367 return seconds - time(NULL);
368}
369
80cd3478
LC		 370void rtc_change_mon_event(struct tm *tm)
371{
372 QObject *data;
373
374 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
375 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
376 qobject_decref(data);
377}
378
1ed2fc1f
JK		 379static void configure_rtc_date_offset(const char *startdate, int legacy)
380{
381 time_t rtc_start_date;
382 struct tm tm;
383
384 if (!strcmp(startdate, "now") && legacy) {
385 rtc_date_offset = -1;
386 } else {
387 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
388 &tm.tm_year,
389 &tm.tm_mon,
390 &tm.tm_mday,
391 &tm.tm_hour,
392 &tm.tm_min,
393 &tm.tm_sec) == 6) {
394 /* OK */
395 } else if (sscanf(startdate, "%d-%d-%d",
396 &tm.tm_year,
397 &tm.tm_mon,
398 &tm.tm_mday) == 3) {
399 tm.tm_hour = 0;
400 tm.tm_min = 0;
401 tm.tm_sec = 0;
402 } else {
403 goto date_fail;
404 }
405 tm.tm_year -= 1900;
406 tm.tm_mon--;
407 rtc_start_date = mktimegm(&tm);
408 if (rtc_start_date == -1) {
409 date_fail:
410 fprintf(stderr, "Invalid date format. Valid formats are:\n"
411 "'2006-06-17T16:01:21' or '2006-06-17'\n");
412 exit(1);
413 }
414 rtc_date_offset = time(NULL) - rtc_start_date;
415 }
416}
417
418static void configure_rtc(QemuOpts *opts)
419{
420 const char *value;
421
422 value = qemu_opt_get(opts, "base");
423 if (value) {
424 if (!strcmp(value, "utc")) {
425 rtc_utc = 1;
426 } else if (!strcmp(value, "localtime")) {
427 rtc_utc = 0;
428 } else {
429 configure_rtc_date_offset(value, 0);
430 }
431 }
6875204c
JK		 432 value = qemu_opt_get(opts, "clock");
433 if (value) {
434 if (!strcmp(value, "host")) {
435 rtc_clock = host_clock;
436 } else if (!strcmp(value, "vm")) {
437 rtc_clock = vm_clock;
438 } else {
439 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
440 exit(1);
441 }
442 }
1ed2fc1f
JK		 443 value = qemu_opt_get(opts, "driftfix");
444 if (value) {
7e4c0336 445 if (!strcmp(value, "slew")) {
1ed2fc1f 446 rtc_td_hack = 1;
7e4c0336 447 } else if (!strcmp(value, "none")) {
1ed2fc1f
JK		 448 rtc_td_hack = 0;
449 } else {
450 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
451 exit(1);
452 }
453 }
1ed2fc1f
JK		 454}
455
1ae26a18
AZ		 456/***********************************************************/
457/* Bluetooth support */
458static int nb_hcis;
459static int cur_hci;
460static struct HCIInfo *hci_table[MAX_NICS];
dc72ac14 461
1ae26a18
AZ		 462static struct bt_vlan_s {
463 struct bt_scatternet_s net;
464 int id;
465 struct bt_vlan_s *next;
466} *first_bt_vlan;
467
468/* find or alloc a new bluetooth "VLAN" */
674bb261 469static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1ae26a18
AZ		 470{
471 struct bt_vlan_s **pvlan, *vlan;
472 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
473 if (vlan->id == id)
474 return &vlan->net;
475 }
476 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
477 vlan->id = id;
478 pvlan = &first_bt_vlan;
479 while (*pvlan != NULL)
480 pvlan = &(*pvlan)->next;
481 *pvlan = vlan;
482 return &vlan->net;
483}
484
485static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
486{
487}
488
489static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
490{
491 return -ENOTSUP;
492}
493
494static struct HCIInfo null_hci = {
495 .cmd_send = null_hci_send,
496 .sco_send = null_hci_send,
497 .acl_send = null_hci_send,
498 .bdaddr_set = null_hci_addr_set,
499};
500
501struct HCIInfo *qemu_next_hci(void)
502{
503 if (cur_hci == nb_hcis)
504 return &null_hci;
505
506 return hci_table[cur_hci++];
507}
508
dc72ac14
AZ		 509static struct HCIInfo *hci_init(const char *str)
510{
511 char *endp;
512 struct bt_scatternet_s *vlan = 0;
513
514 if (!strcmp(str, "null"))
515 /* null */
516 return &null_hci;
517 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
518 /* host[:hciN] */
519 return bt_host_hci(str[4] ? str + 5 : "hci0");
520 else if (!strncmp(str, "hci", 3)) {
521 /* hci[,vlan=n] */
522 if (str[3]) {
523 if (!strncmp(str + 3, ",vlan=", 6)) {
524 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
525 if (*endp)
526 vlan = 0;
527 }
528 } else
529 vlan = qemu_find_bt_vlan(0);
530 if (vlan)
531 return bt_new_hci(vlan);
532 }
533
534 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
535
536 return 0;
537}
538
539static int bt_hci_parse(const char *str)
540{
541 struct HCIInfo *hci;
c227f099 542 bdaddr_t bdaddr;
dc72ac14
AZ		 543
544 if (nb_hcis >= MAX_NICS) {
545 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
546 return -1;
547 }
548
549 hci = hci_init(str);
550 if (!hci)
551 return -1;
552
553 bdaddr.b[0] = 0x52;
554 bdaddr.b[1] = 0x54;
555 bdaddr.b[2] = 0x00;
556 bdaddr.b[3] = 0x12;
557 bdaddr.b[4] = 0x34;
558 bdaddr.b[5] = 0x56 + nb_hcis;
559 hci->bdaddr_set(hci, bdaddr.b);
560
561 hci_table[nb_hcis++] = hci;
562
563 return 0;
564}
565
566static void bt_vhci_add(int vlan_id)
567{
568 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
569
570 if (!vlan->slave)
571 fprintf(stderr, "qemu: warning: adding a VHCI to "
572 "an empty scatternet %i\n", vlan_id);
573
574 bt_vhci_init(bt_new_hci(vlan));
575}
576
577static struct bt_device_s *bt_device_add(const char *opt)
578{
579 struct bt_scatternet_s *vlan;
580 int vlan_id = 0;
581 char *endp = strstr(opt, ",vlan=");
582 int len = (endp ? endp - opt : strlen(opt)) + 1;
583 char devname[10];
584
585 pstrcpy(devname, MIN(sizeof(devname), len), opt);
586
587 if (endp) {
588 vlan_id = strtol(endp + 6, &endp, 0);
589 if (*endp) {
590 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
591 return 0;
592 }
593 }
594
595 vlan = qemu_find_bt_vlan(vlan_id);
596
597 if (!vlan->slave)
598 fprintf(stderr, "qemu: warning: adding a slave device to "
599 "an empty scatternet %i\n", vlan_id);
600
601 if (!strcmp(devname, "keyboard"))
602 return bt_keyboard_init(vlan);
603
604 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
605 return 0;
606}
607
608static int bt_parse(const char *opt)
609{
610 const char *endp, *p;
611 int vlan;
612
613 if (strstart(opt, "hci", &endp)) {
614 if (!*endp || *endp == ',') {
615 if (*endp)
616 if (!strstart(endp, ",vlan=", 0))
617 opt = endp + 1;
618
619 return bt_hci_parse(opt);
620 }
621 } else if (strstart(opt, "vhci", &endp)) {
622 if (!*endp || *endp == ',') {
623 if (*endp) {
624 if (strstart(endp, ",vlan=", &p)) {
625 vlan = strtol(p, (char **) &endp, 0);
626 if (*endp) {
627 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
628 return 1;
629 }
630 } else {
631 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
632 return 1;
633 }
634 } else
635 vlan = 0;
636
637 bt_vhci_add(vlan);
638 return 0;
639 }
640 } else if (strstart(opt, "device:", &endp))
641 return !bt_device_add(endp);
642
643 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
644 return 1;
645}
646
1ae26a18
AZ		 647/***********************************************************/
648/* QEMU Block devices */
649
609497ab 650#define HD_ALIAS "index=%d,media=disk"
e4bcb14c 651#define CDROM_ALIAS "index=2,media=cdrom"
e4bcb14c 652#define FD_ALIAS "index=%d,if=floppy"
609497ab
AZ		 653#define PFLASH_ALIAS "if=pflash"
654#define MTD_ALIAS "if=mtd"
9d413d1d 655#define SD_ALIAS "index=0,if=sd"
e4bcb14c 656
9dfd7c7a 657QemuOpts *drive_add(const char *file, const char *fmt, ...)
e4bcb14c
TS		 658{
659 va_list ap;
9dfd7c7a
GH		 660 char optstr[1024];
661 QemuOpts *opts;
e4bcb14c 662
e4bcb14c 663 va_start(ap, fmt);
9dfd7c7a 664 vsnprintf(optstr, sizeof(optstr), fmt, ap);
e4bcb14c
TS		 665 va_end(ap);
666
8212c64f 667 opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
9dfd7c7a 668 if (!opts) {
9dfd7c7a
GH		 669 return NULL;
670 }
671 if (file)
672 qemu_opt_set(opts, "file", file);
673 return opts;
b01b1111
AL		 674}
675
751c6a17 676DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
e4bcb14c 677{
751c6a17 678 DriveInfo *dinfo;
e4bcb14c
TS		 679
680 /* seek interface, bus and unit */
681
72cf2d4f 682 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH		 683 if (dinfo->type == type &&
684 dinfo->bus == bus &&
685 dinfo->unit == unit)
686 return dinfo;
687 }
e4bcb14c 688
751c6a17 689 return NULL;
e4bcb14c
TS		 690}
691
2e810b36 692DriveInfo *drive_get_by_id(const char *id)
1dae12e6
GH		 693{
694 DriveInfo *dinfo;
695
72cf2d4f 696 QTAILQ_FOREACH(dinfo, &drives, next) {
1dae12e6
GH		 697 if (strcmp(id, dinfo->id))
698 continue;
699 return dinfo;
700 }
701 return NULL;
702}
703
f60d39bc 704int drive_get_max_bus(BlockInterfaceType type)
e4bcb14c
TS		 705{
706 int max_bus;
751c6a17 707 DriveInfo *dinfo;
e4bcb14c
TS		 708
709 max_bus = -1;
72cf2d4f 710 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH		 711 if(dinfo->type == type &&
712 dinfo->bus > max_bus)
713 max_bus = dinfo->bus;
e4bcb14c
TS		 714 }
715 return max_bus;
716}
717
fa879c64
AL		 718const char *drive_get_serial(BlockDriverState *bdrv)
719{
751c6a17 720 DriveInfo *dinfo;
fa879c64 721
72cf2d4f 722 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH		 723 if (dinfo->bdrv == bdrv)
724 return dinfo->serial;
725 }
fa879c64
AL		 726
727 return "\0";
728}
729
f7850099
KW		 730BlockInterfaceErrorAction drive_get_on_error(
731 BlockDriverState *bdrv, int is_read)
428c5705 732{
751c6a17 733 DriveInfo *dinfo;
428c5705 734
72cf2d4f 735 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17 736 if (dinfo->bdrv == bdrv)
e9b2e818 737 return is_read ? dinfo->on_read_error : dinfo->on_write_error;
751c6a17 738 }
428c5705 739
e9b2e818 740 return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC;
428c5705
AL		 741}
742
a1620fac
AJ		 743static void bdrv_format_print(void *opaque, const char *name)
744{
745 fprintf(stderr, " %s", name);
746}
747
56a14938 748void drive_uninit(DriveInfo *dinfo)
b01b1111 749{
56a14938
GH		 750 qemu_opts_del(dinfo->opts);
751 bdrv_delete(dinfo->bdrv);
752 QTAILQ_REMOVE(&drives, dinfo, next);
753 qemu_free(dinfo);
b01b1111
AL		 754}
755
e9b2e818
KW		 756static int parse_block_error_action(const char *buf, int is_read)
757{
758 if (!strcmp(buf, "ignore")) {
759 return BLOCK_ERR_IGNORE;
760 } else if (!is_read && !strcmp(buf, "enospc")) {
761 return BLOCK_ERR_STOP_ENOSPC;
762 } else if (!strcmp(buf, "stop")) {
763 return BLOCK_ERR_STOP_ANY;
764 } else if (!strcmp(buf, "report")) {
765 return BLOCK_ERR_REPORT;
766 } else {
767 fprintf(stderr, "qemu: '%s' invalid %s error action\n",
768 buf, is_read ? "read" : "write");
769 return -1;
770 }
771}
772
9dfd7c7a 773DriveInfo *drive_init(QemuOpts *opts, void *opaque,
751c6a17 774 int *fatal_error)
e4bcb14c 775{
9dfd7c7a
GH		 776 const char *buf;
777 const char *file = NULL;
c8522bdf 778 char devname[128];
9dfd7c7a 779 const char *serial;
c8522bdf 780 const char *mediastr = "";
f60d39bc 781 BlockInterfaceType type;
e4bcb14c
TS		 782 enum { MEDIA_DISK, MEDIA_CDROM } media;
783 int bus_id, unit_id;
784 int cyls, heads, secs, translation;
1e72d3b7 785 BlockDriver *drv = NULL;
4d73cd3b 786 QEMUMachine *machine = opaque;
e4bcb14c
TS		 787 int max_devs;
788 int index;
59f2689d 789 int ro = 0;
763b6084 790 int bdrv_flags = 0;
e9b2e818 791 int on_read_error, on_write_error;
c2cc47a4 792 const char *devaddr;
751c6a17 793 DriveInfo *dinfo;
9dfd7c7a 794 int snapshot = 0;
e4bcb14c 795
9dfd7c7a 796 *fatal_error = 1;
e4bcb14c 797
e4bcb14c 798 translation = BIOS_ATA_TRANSLATION_AUTO;
e4bcb14c 799
4d007814 800 if (machine && machine->use_scsi) {
f60d39bc 801 type = IF_SCSI;
e4bcb14c 802 max_devs = MAX_SCSI_DEVS;
363a37d5 803 pstrcpy(devname, sizeof(devname), "scsi");
e4bcb14c 804 } else {
f60d39bc 805 type = IF_IDE;
e4bcb14c 806 max_devs = MAX_IDE_DEVS;
363a37d5 807 pstrcpy(devname, sizeof(devname), "ide");
e4bcb14c
TS		 808 }
809 media = MEDIA_DISK;
810
811 /* extract parameters */
9dfd7c7a
GH		 812 bus_id = qemu_opt_get_number(opts, "bus", 0);
813 unit_id = qemu_opt_get_number(opts, "unit", -1);
814 index = qemu_opt_get_number(opts, "index", -1);
e4bcb14c 815
9dfd7c7a
GH		 816 cyls = qemu_opt_get_number(opts, "cyls", 0);
817 heads = qemu_opt_get_number(opts, "heads", 0);
818 secs = qemu_opt_get_number(opts, "secs", 0);
e4bcb14c 819
9dfd7c7a 820 snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
59f2689d 821 ro = qemu_opt_get_bool(opts, "readonly", 0);
e4bcb14c 822
9dfd7c7a
GH		 823 file = qemu_opt_get(opts, "file");
824 serial = qemu_opt_get(opts, "serial");
825
826 if ((buf = qemu_opt_get(opts, "if")) != NULL) {
ae45d369 827 pstrcpy(devname, sizeof(devname), buf);
e4bcb14c 828 if (!strcmp(buf, "ide")) {
f60d39bc 829 type = IF_IDE;
e4bcb14c
TS		 830 max_devs = MAX_IDE_DEVS;
831 } else if (!strcmp(buf, "scsi")) {
f60d39bc 832 type = IF_SCSI;
e4bcb14c
TS		 833 max_devs = MAX_SCSI_DEVS;
834 } else if (!strcmp(buf, "floppy")) {
f60d39bc 835 type = IF_FLOPPY;
e4bcb14c
TS		 836 max_devs = 0;
837 } else if (!strcmp(buf, "pflash")) {
f60d39bc 838 type = IF_PFLASH;
e4bcb14c
TS		 839 max_devs = 0;
840 } else if (!strcmp(buf, "mtd")) {
f60d39bc 841 type = IF_MTD;
e4bcb14c
TS		 842 max_devs = 0;
843 } else if (!strcmp(buf, "sd")) {
f60d39bc 844 type = IF_SD;
e4bcb14c 845 max_devs = 0;
6e02c38d
AL		 846 } else if (!strcmp(buf, "virtio")) {
847 type = IF_VIRTIO;
848 max_devs = 0;
62d23efa
AL		 849 } else if (!strcmp(buf, "xen")) {
850 type = IF_XEN;
851 max_devs = 0;
a8659e90
GH		 852 } else if (!strcmp(buf, "none")) {
853 type = IF_NONE;
854 max_devs = 0;
62d23efa 855 } else {
9dfd7c7a 856 fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
751c6a17 857 return NULL;
e4bcb14c
TS		 858 }
859 }
860
e4bcb14c 861 if (cyls || heads || secs) {
5afe3f04 862 if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
9dfd7c7a 863 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
751c6a17 864 return NULL;
e4bcb14c 865 }
5afe3f04 866 if (heads < 1 || (type == IF_IDE && heads > 16)) {
9dfd7c7a 867 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
751c6a17 868 return NULL;
e4bcb14c 869 }
5afe3f04 870 if (secs < 1 || (type == IF_IDE && secs > 63)) {
9dfd7c7a 871 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
751c6a17 872 return NULL;
e4bcb14c
TS		 873 }
874 }
875
9dfd7c7a 876 if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
e4bcb14c
TS		 877 if (!cyls) {
878 fprintf(stderr,
879 "qemu: '%s' trans must be used with cyls,heads and secs\n",
9dfd7c7a 880 buf);
751c6a17 881 return NULL;
e4bcb14c
TS		 882 }
883 if (!strcmp(buf, "none"))
884 translation = BIOS_ATA_TRANSLATION_NONE;
885 else if (!strcmp(buf, "lba"))
886 translation = BIOS_ATA_TRANSLATION_LBA;
887 else if (!strcmp(buf, "auto"))
888 translation = BIOS_ATA_TRANSLATION_AUTO;
889 else {
9dfd7c7a 890 fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
751c6a17 891 return NULL;
e4bcb14c
TS		 892 }
893 }
894
9dfd7c7a 895 if ((buf = qemu_opt_get(opts, "media")) != NULL) {
e4bcb14c
TS		 896 if (!strcmp(buf, "disk")) {
897 media = MEDIA_DISK;
898 } else if (!strcmp(buf, "cdrom")) {
899 if (cyls || secs || heads) {
900 fprintf(stderr,
9dfd7c7a 901 "qemu: '%s' invalid physical CHS format\n", buf);
751c6a17 902 return NULL;
e4bcb14c
TS		 903 }
904 media = MEDIA_CDROM;
905 } else {
9dfd7c7a 906 fprintf(stderr, "qemu: '%s' invalid media\n", buf);
751c6a17 907 return NULL;
e4bcb14c
TS		 908 }
909 }
910
9dfd7c7a 911 if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
763b6084
CH		 912 if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
913 bdrv_flags |= BDRV_O_NOCACHE;
914 } else if (!strcmp(buf, "writeback")) {
915 bdrv_flags |= BDRV_O_CACHE_WB;
916 } else if (!strcmp(buf, "writethrough")) {
917 /* this is the default */
918 } else {
33f00271 919 fprintf(stderr, "qemu: invalid cache option\n");
751c6a17 920 return NULL;
33f00271
AZ		 921 }
922 }
923
5c6c3a6c
CH		 924#ifdef CONFIG_LINUX_AIO
925 if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
763b6084
CH		 926 if (!strcmp(buf, "native")) {
927 bdrv_flags |= BDRV_O_NATIVE_AIO;
928 } else if (!strcmp(buf, "threads")) {
929 /* this is the default */
930 } else {
5c6c3a6c
CH		 931 fprintf(stderr, "qemu: invalid aio option\n");
932 return NULL;
933 }
934 }
935#endif
936
9dfd7c7a 937 if ((buf = qemu_opt_get(opts, "format")) != NULL) {
a1620fac
AJ		 938 if (strcmp(buf, "?") == 0) {
939 fprintf(stderr, "qemu: Supported formats:");
940 bdrv_iterate_format(bdrv_format_print, NULL);
941 fprintf(stderr, "\n");
751c6a17 942 return NULL;
a1620fac 943 }
eb852011 944 drv = bdrv_find_whitelisted_format(buf);
1e72d3b7
AJ		 945 if (!drv) {
946 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
751c6a17 947 return NULL;
1e72d3b7
AJ		 948 }
949 }
950
e9b2e818 951 on_write_error = BLOCK_ERR_STOP_ENOSPC;
9dfd7c7a 952 if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
869a5c6d 953 if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
ea8a5d7f 954 fprintf(stderr, "werror is no supported by this format\n");
751c6a17 955 return NULL;
428c5705 956 }
e9b2e818
KW		 957
958 on_write_error = parse_block_error_action(buf, 0);
959 if (on_write_error < 0) {
960 return NULL;
961 }
962 }
963
964 on_read_error = BLOCK_ERR_REPORT;
965 if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
f35d68f0 966 if (type != IF_IDE && type != IF_VIRTIO) {
e9b2e818
KW		 967 fprintf(stderr, "rerror is no supported by this format\n");
968 return NULL;
969 }
970
971 on_read_error = parse_block_error_action(buf, 1);
972 if (on_read_error < 0) {
751c6a17 973 return NULL;
428c5705
AL		 974 }
975 }
976
9dfd7c7a 977 if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
c2cc47a4 978 if (type != IF_VIRTIO) {
9dfd7c7a 979 fprintf(stderr, "addr is not supported\n");
751c6a17 980 return NULL;
c2cc47a4 981 }
c2cc47a4
MA		 982 }
983
e4bcb14c
TS		 984 /* compute bus and unit according index */
985
986 if (index != -1) {
987 if (bus_id != 0 || unit_id != -1) {
988 fprintf(stderr,
9dfd7c7a 989 "qemu: index cannot be used with bus and unit\n");
751c6a17 990 return NULL;
e4bcb14c
TS		 991 }
992 if (max_devs == 0)
993 {
994 unit_id = index;
995 bus_id = 0;
996 } else {
997 unit_id = index % max_devs;
998 bus_id = index / max_devs;
999 }
1000 }
1001
1002 /* if user doesn't specify a unit_id,
1003 * try to find the first free
1004 */
1005
1006 if (unit_id == -1) {
1007 unit_id = 0;
751c6a17 1008 while (drive_get(type, bus_id, unit_id) != NULL) {
e4bcb14c
TS		 1009 unit_id++;
1010 if (max_devs && unit_id >= max_devs) {
1011 unit_id -= max_devs;
1012 bus_id++;
1013 }
1014 }
1015 }
1016
1017 /* check unit id */
1018
1019 if (max_devs && unit_id >= max_devs) {
9dfd7c7a
GH		 1020 fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
1021 unit_id, max_devs - 1);
751c6a17 1022 return NULL;
e4bcb14c
TS		 1023 }
1024
1025 /*
1026 * ignore multiple definitions
1027 */
1028
751c6a17
GH		 1029 if (drive_get(type, bus_id, unit_id) != NULL) {
1030 *fatal_error = 0;
1031 return NULL;
1032 }
e4bcb14c
TS		 1033
1034 /* init */
1035
751c6a17 1036 dinfo = qemu_mallocz(sizeof(*dinfo));
e23d9c4d 1037 if ((buf = qemu_opts_id(opts)) != NULL) {
9dfd7c7a
GH		 1038 dinfo->id = qemu_strdup(buf);
1039 } else {
1dae12e6 1040 /* no id supplied -> create one */
9dfd7c7a 1041 dinfo->id = qemu_mallocz(32);
1dae12e6
GH		 1042 if (type == IF_IDE || type == IF_SCSI)
1043 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
1044 if (max_devs)
9dfd7c7a 1045 snprintf(dinfo->id, 32, "%s%i%s%i",
1dae12e6
GH		 1046 devname, bus_id, mediastr, unit_id);
1047 else
9dfd7c7a 1048 snprintf(dinfo->id, 32, "%s%s%i",
1dae12e6
GH		 1049 devname, mediastr, unit_id);
1050 }
1dae12e6 1051 dinfo->bdrv = bdrv_new(dinfo->id);
751c6a17
GH		 1052 dinfo->devaddr = devaddr;
1053 dinfo->type = type;
1054 dinfo->bus = bus_id;
1055 dinfo->unit = unit_id;
e9b2e818
KW		 1056 dinfo->on_read_error = on_read_error;
1057 dinfo->on_write_error = on_write_error;
9dfd7c7a
GH		 1058 dinfo->opts = opts;
1059 if (serial)
1060 strncpy(dinfo->serial, serial, sizeof(serial));
72cf2d4f 1061 QTAILQ_INSERT_TAIL(&drives, dinfo, next);
e4bcb14c 1062
f60d39bc 1063 switch(type) {
e4bcb14c
TS		 1064 case IF_IDE:
1065 case IF_SCSI:
62d23efa 1066 case IF_XEN:
c219331e 1067 case IF_NONE:
e4bcb14c
TS		 1068 switch(media) {
1069 case MEDIA_DISK:
1070 if (cyls != 0) {
1dae12e6
GH		 1071 bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
1072 bdrv_set_translation_hint(dinfo->bdrv, translation);
e4bcb14c
TS		 1073 }
1074 break;
1075 case MEDIA_CDROM:
1dae12e6 1076 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
e4bcb14c
TS		 1077 break;
1078 }
1079 break;
1080 case IF_SD:
1081 /* FIXME: This isn't really a floppy, but it's a reasonable
1082 approximation. */
1083 case IF_FLOPPY:
1dae12e6 1084 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
e4bcb14c
TS		 1085 break;
1086 case IF_PFLASH:
1087 case IF_MTD:
1088 break;
d176c495
GH		 1089 case IF_VIRTIO:
1090 /* add virtio block device */
1091 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1092 qemu_opt_set(opts, "driver", "virtio-blk-pci");
1093 qemu_opt_set(opts, "drive", dinfo->id);
1094 if (devaddr)
1095 qemu_opt_set(opts, "addr", devaddr);
1096 break;
aae9460e
PB		 1097 case IF_COUNT:
1098 abort();
e4bcb14c 1099 }
9dfd7c7a 1100 if (!file) {
751c6a17
GH		 1101 *fatal_error = 0;
1102 return NULL;
1103 }
9f7965c7 1104 if (snapshot) {
763b6084
CH		 1105 /* always use write-back with snapshot */
1106 bdrv_flags &= ~BDRV_O_CACHE_MASK;
1107 bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB);
5c6c3a6c
CH		 1108 }
1109
2db7ad59
NS		 1110 if (media == MEDIA_CDROM) {
1111 /* CDROM is fine for any interface, don't check. */
1112 ro = 1;
1113 } else if (ro == 1) {
f5edb014
NS		 1114 if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY) {
1115 fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
59f2689d
NS		 1116 return NULL;
1117 }
b196b153 1118 }
2db7ad59 1119
f5edb014 1120 bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
59f2689d 1121
d6e9098e 1122 if (bdrv_open(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
850810d0
JF		 1123 fprintf(stderr, "qemu: could not open disk image %s: %s\n",
1124 file, strerror(errno));
751c6a17 1125 return NULL;
e4bcb14c 1126 }
5c6c3a6c 1127
1dae12e6 1128 if (bdrv_key_required(dinfo->bdrv))
c0f4ce77 1129 autostart = 0;
751c6a17
GH		 1130 *fatal_error = 0;
1131 return dinfo;
e4bcb14c
TS		 1132}
1133
9dfd7c7a
GH		 1134static int drive_init_func(QemuOpts *opts, void *opaque)
1135{
1136 QEMUMachine *machine = opaque;
1137 int fatal_error = 0;
1138
1139 if (drive_init(opts, machine, &fatal_error) == NULL) {
1140 if (fatal_error)
1141 return 1;
1142 }
1143 return 0;
1144}
1145
1146static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1147{
1148 if (NULL == qemu_opt_get(opts, "snapshot")) {
1149 qemu_opt_set(opts, "snapshot", "on");
1150 }
1151 return 0;
1152}
1153
76e30d0f
JK		 1154void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1155{
1156 boot_set_handler = func;
1157 boot_set_opaque = opaque;
1158}
1159
1160int qemu_boot_set(const char *boot_devices)
1161{
1162 if (!boot_set_handler) {
1163 return -EINVAL;
1164 }
1165 return boot_set_handler(boot_set_opaque, boot_devices);
1166}
1167
4e9e9d6e 1168static void validate_bootdevices(char *devices)
ef3adf68
JK		 1169{
1170 /* We just do some generic consistency checks */
1171 const char *p;
1172 int bitmap = 0;
1173
1174 for (p = devices; *p != '\0'; p++) {
1175 /* Allowed boot devices are:
1176 * a-b: floppy disk drives
1177 * c-f: IDE disk drives
1178 * g-m: machine implementation dependant drives
1179 * n-p: network devices
1180 * It's up to each machine implementation to check if the given boot
1181 * devices match the actual hardware implementation and firmware
1182 * features.
1183 */
1184 if (*p < 'a' || *p > 'p') {
1185 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1186 exit(1);
1187 }
1188 if (bitmap & (1 << (*p - 'a'))) {
1189 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1190 exit(1);
1191 }
1192 bitmap |= 1 << (*p - 'a');
1193 }
ef3adf68
JK		 1194}
1195
e0f084bf
JK		 1196static void restore_boot_devices(void *opaque)
1197{
1198 char *standard_boot_devices = opaque;
37905d6a
AW		 1199 static int first = 1;
1200
1201 /* Restore boot order and remove ourselves after the first boot */
1202 if (first) {
1203 first = 0;
1204 return;
1205 }
e0f084bf
JK		 1206
1207 qemu_boot_set(standard_boot_devices);
1208
1209 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1210 qemu_free(standard_boot_devices);
1211}
1212
268a362c
AL		 1213static void numa_add(const char *optarg)
1214{
1215 char option[128];
1216 char *endptr;
1217 unsigned long long value, endvalue;
1218 int nodenr;
1219
1220 optarg = get_opt_name(option, 128, optarg, ',') + 1;
1221 if (!strcmp(option, "node")) {
1222 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1223 nodenr = nb_numa_nodes;
1224 } else {
1225 nodenr = strtoull(option, NULL, 10);
1226 }
1227
1228 if (get_param_value(option, 128, "mem", optarg) == 0) {
1229 node_mem[nodenr] = 0;
1230 } else {
1231 value = strtoull(option, &endptr, 0);
1232 switch (*endptr) {
1233 case 0: case 'M': case 'm':
1234 value <<= 20;
1235 break;
1236 case 'G': case 'g':
1237 value <<= 30;
1238 break;
1239 }
1240 node_mem[nodenr] = value;
1241 }
1242 if (get_param_value(option, 128, "cpus", optarg) == 0) {
1243 node_cpumask[nodenr] = 0;
1244 } else {
1245 value = strtoull(option, &endptr, 10);
1246 if (value >= 64) {
1247 value = 63;
1248 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
1249 } else {
1250 if (*endptr == '-') {
1251 endvalue = strtoull(endptr+1, &endptr, 10);
1252 if (endvalue >= 63) {
1253 endvalue = 62;
1254 fprintf(stderr,
1255 "only 63 CPUs in NUMA mode supported.\n");
1256 }
0dfbd514 1257 value = (2ULL << endvalue) - (1ULL << value);
268a362c 1258 } else {
0dfbd514 1259 value = 1ULL << value;
268a362c
AL		 1260 }
1261 }
1262 node_cpumask[nodenr] = value;
1263 }
1264 nb_numa_nodes++;
1265 }
1266 return;
1267}
1268
dc6b1c09
AP		 1269static void smp_parse(const char *optarg)
1270{
1271 int smp, sockets = 0, threads = 0, cores = 0;
1272 char *endptr;
1273 char option[128];
1274
1275 smp = strtoul(optarg, &endptr, 10);
1276 if (endptr != optarg) {
1277 if (*endptr == ',') {
1278 endptr++;
1279 }
1280 }
1281 if (get_param_value(option, 128, "sockets", endptr) != 0)
1282 sockets = strtoull(option, NULL, 10);
1283 if (get_param_value(option, 128, "cores", endptr) != 0)
1284 cores = strtoull(option, NULL, 10);
1285 if (get_param_value(option, 128, "threads", endptr) != 0)
1286 threads = strtoull(option, NULL, 10);
1287 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1288 max_cpus = strtoull(option, NULL, 10);
1289
1290 /* compute missing values, prefer sockets over cores over threads */
1291 if (smp == 0 || sockets == 0) {
1292 sockets = sockets > 0 ? sockets : 1;
1293 cores = cores > 0 ? cores : 1;
1294 threads = threads > 0 ? threads : 1;
1295 if (smp == 0) {
1296 smp = cores * threads * sockets;
dc6b1c09
AP		 1297 }
1298 } else {
1299 if (cores == 0) {
1300 threads = threads > 0 ? threads : 1;
1301 cores = smp / (sockets * threads);
1302 } else {
5cdc9b76 1303 if (sockets) {
dc6b1c09
AP		 1304 threads = smp / (cores * sockets);
1305 }
1306 }
1307 }
1308 smp_cpus = smp;
1309 smp_cores = cores > 0 ? cores : 1;
1310 smp_threads = threads > 0 ? threads : 1;
1311 if (max_cpus == 0)
1312 max_cpus = smp_cpus;
1313}
1314
a594cfbf
FB		 1315/***********************************************************/
1316/* USB devices */
1317
c0f4ce77 1318static int usb_device_add(const char *devname, int is_hotplug)
a594cfbf
FB		 1319{
1320 const char *p;
a5d2f727 1321 USBDevice *dev = NULL;
a594cfbf 1322
a5d2f727 1323 if (!usb_enabled)
a594cfbf
FB		 1324 return -1;
1325
0958b4cc
GH		 1326 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1327 dev = usbdevice_create(devname);
1328 if (dev)
1329 goto done;
1330
a5d2f727 1331 /* the other ones */
a594cfbf
FB		 1332 if (strstart(devname, "host:", &p)) {
1333 dev = usb_host_device_open(p);
dc72ac14
AZ		 1334 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1335 dev = usb_bt_init(devname[2] ? hci_init(p) :
1336 bt_new_hci(qemu_find_bt_vlan(0)));
a594cfbf
FB		 1337 } else {
1338 return -1;
1339 }
0d92ed30
PB		 1340 if (!dev)
1341 return -1;
1342
a5d2f727 1343done:
a594cfbf
FB		 1344 return 0;
1345}
1346
1f3870ab
AL		 1347static int usb_device_del(const char *devname)
1348{
1349 int bus_num, addr;
1350 const char *p;
1351
5d0c5750
AL		 1352 if (strstart(devname, "host:", &p))
1353 return usb_host_device_close(p);
1354
a5d2f727 1355 if (!usb_enabled)
1f3870ab
AL		 1356 return -1;
1357
1358 p = strchr(devname, '.');
1359 if (!p)
1360 return -1;
1361 bus_num = strtoul(devname, NULL, 0);
1362 addr = strtoul(p + 1, NULL, 0);
1363
a5d2f727 1364 return usb_device_delete_addr(bus_num, addr);
1f3870ab
AL		 1365}
1366
bd3c948d
GH		 1367static int usb_parse(const char *cmdline)
1368{
59d1c1c2
ST		 1369 int r;
1370 r = usb_device_add(cmdline, 0);
1371 if (r < 0) {
1372 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1373 }
1374 return r;
bd3c948d
GH		 1375}
1376
d54908a5 1377void do_usb_add(Monitor *mon, const QDict *qdict)
a594cfbf 1378{
59d1c1c2
ST		 1379 const char *devname = qdict_get_str(qdict, "devname");
1380 if (usb_device_add(devname, 1) < 0) {
1ecda02b 1381 error_report("could not add USB device '%s'", devname);
59d1c1c2 1382 }
a594cfbf
FB		 1383}
1384
d54908a5 1385void do_usb_del(Monitor *mon, const QDict *qdict)
a594cfbf 1386{
59d1c1c2
ST		 1387 const char *devname = qdict_get_str(qdict, "devname");
1388 if (usb_device_del(devname) < 0) {
1ecda02b 1389 error_report("could not delete USB device '%s'", devname);
59d1c1c2 1390 }
a594cfbf
FB		 1391}
1392
201a51fc
AZ		 1393/***********************************************************/
1394/* PCMCIA/Cardbus */
1395
1396static struct pcmcia_socket_entry_s {
bc24a225 1397 PCMCIASocket *socket;
201a51fc
AZ		 1398 struct pcmcia_socket_entry_s *next;
1399} *pcmcia_sockets = 0;
1400
bc24a225 1401void pcmcia_socket_register(PCMCIASocket *socket)
201a51fc
AZ		 1402{
1403 struct pcmcia_socket_entry_s *entry;
1404
1405 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1406 entry->socket = socket;
1407 entry->next = pcmcia_sockets;
1408 pcmcia_sockets = entry;
1409}
1410
bc24a225 1411void pcmcia_socket_unregister(PCMCIASocket *socket)
201a51fc
AZ		 1412{
1413 struct pcmcia_socket_entry_s *entry, **ptr;
1414
1415 ptr = &pcmcia_sockets;
1416 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1417 if (entry->socket == socket) {
1418 *ptr = entry->next;
1419 qemu_free(entry);
1420 }
1421}
1422
376253ec 1423void pcmcia_info(Monitor *mon)
201a51fc
AZ		 1424{
1425 struct pcmcia_socket_entry_s *iter;
376253ec 1426
201a51fc 1427 if (!pcmcia_sockets)
376253ec 1428 monitor_printf(mon, "No PCMCIA sockets\n");
201a51fc
AZ		 1429
1430 for (iter = pcmcia_sockets; iter; iter = iter->next)
376253ec
AL		 1431 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1432 iter->socket->attached ? iter->socket->card_string :
1433 "Empty");
201a51fc
AZ		 1434}
1435
2ff89790 1436/***********************************************************/
8a7ddc38 1437/* I/O handling */
0824d6fc 1438
c4b1fcc0
FB		 1439typedef struct IOHandlerRecord {
1440 int fd;
7b27a769 1441 IOCanReadHandler *fd_read_poll;
7c9d8e07
FB		 1442 IOHandler *fd_read;
1443 IOHandler *fd_write;
cafffd40 1444 int deleted;
c4b1fcc0
FB		 1445 void *opaque;
1446 /* temporary data */
1447 struct pollfd *ufd;
31d4ee6c 1448 QLIST_ENTRY(IOHandlerRecord) next;
c4b1fcc0
FB		 1449} IOHandlerRecord;
1450
31d4ee6c
JQ		 1451static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1452 QLIST_HEAD_INITIALIZER(io_handlers);
1453
c4b1fcc0 1454
7c9d8e07
FB		 1455/* XXX: fd_read_poll should be suppressed, but an API change is
1456 necessary in the character devices to suppress fd_can_read(). */
5fafdf24 1457int qemu_set_fd_handler2(int fd,
7b27a769 1458 IOCanReadHandler *fd_read_poll,
5fafdf24
TS		 1459 IOHandler *fd_read,
1460 IOHandler *fd_write,
7c9d8e07 1461 void *opaque)
c4b1fcc0 1462{
31d4ee6c 1463 IOHandlerRecord *ioh;
c4b1fcc0 1464
7c9d8e07 1465 if (!fd_read && !fd_write) {
31d4ee6c 1466 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07 1467 if (ioh->fd == fd) {
cafffd40 1468 ioh->deleted = 1;
7c9d8e07
FB		 1469 break;
1470 }
7c9d8e07
FB		 1471 }
1472 } else {
31d4ee6c 1473 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07
FB		 1474 if (ioh->fd == fd)
1475 goto found;
1476 }
1477 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
31d4ee6c 1478 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
7c9d8e07
FB		 1479 found:
1480 ioh->fd = fd;
1481 ioh->fd_read_poll = fd_read_poll;
1482 ioh->fd_read = fd_read;
1483 ioh->fd_write = fd_write;
1484 ioh->opaque = opaque;
cafffd40 1485 ioh->deleted = 0;
7c9d8e07 1486 }
c4b1fcc0
FB		 1487 return 0;
1488}
1489
5fafdf24
TS		 1490int qemu_set_fd_handler(int fd,
1491 IOHandler *fd_read,
1492 IOHandler *fd_write,
7c9d8e07 1493 void *opaque)
8a7ddc38 1494{
7c9d8e07 1495 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
8a7ddc38
FB		 1496}
1497
56f3a5d0 1498#ifdef _WIN32
f331110f
FB		 1499/***********************************************************/
1500/* Polling handling */
1501
1502typedef struct PollingEntry {
1503 PollingFunc *func;
1504 void *opaque;
1505 struct PollingEntry *next;
1506} PollingEntry;
1507
1508static PollingEntry *first_polling_entry;
1509
1510int qemu_add_polling_cb(PollingFunc *func, void *opaque)
1511{
1512 PollingEntry **ppe, *pe;
1513 pe = qemu_mallocz(sizeof(PollingEntry));
f331110f
FB		 1514 pe->func = func;
1515 pe->opaque = opaque;
1516 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
1517 *ppe = pe;
1518 return 0;
1519}
1520
1521void qemu_del_polling_cb(PollingFunc *func, void *opaque)
1522{
1523 PollingEntry **ppe, *pe;
1524 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
1525 pe = *ppe;
1526 if (pe->func == func && pe->opaque == opaque) {
1527 *ppe = pe->next;
1528 qemu_free(pe);
1529 break;
1530 }
1531 }
1532}
1533
a18e524a
FB		 1534/***********************************************************/
1535/* Wait objects support */
1536typedef struct WaitObjects {
1537 int num;
1538 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
1539 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
1540 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
1541} WaitObjects;
1542
1543static WaitObjects wait_objects = {0};
3b46e624 1544
a18e524a
FB		 1545int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1546{
1547 WaitObjects *w = &wait_objects;
1548
1549 if (w->num >= MAXIMUM_WAIT_OBJECTS)
1550 return -1;
1551 w->events[w->num] = handle;
1552 w->func[w->num] = func;
1553 w->opaque[w->num] = opaque;
1554 w->num++;
1555 return 0;
1556}
1557
1558void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1559{
1560 int i, found;
1561 WaitObjects *w = &wait_objects;
1562
1563 found = 0;
1564 for (i = 0; i < w->num; i++) {
1565 if (w->events[i] == handle)
1566 found = 1;
1567 if (found) {
1568 w->events[i] = w->events[i + 1];
1569 w->func[i] = w->func[i + 1];
1570 w->opaque[i] = w->opaque[i + 1];
3b46e624 1571 }
a18e524a
FB		 1572 }
1573 if (found)
1574 w->num--;
1575}
1576#endif
1577
cc1daa40
FB		 1578/***********************************************************/
1579/* machine registration */
1580
bdaf78e0 1581static QEMUMachine *first_machine = NULL;
6f338c34 1582QEMUMachine *current_machine = NULL;
cc1daa40
FB		 1583
1584int qemu_register_machine(QEMUMachine *m)
1585{
1586 QEMUMachine **pm;
1587 pm = &first_machine;
1588 while (*pm != NULL)
1589 pm = &(*pm)->next;
1590 m->next = NULL;
1591 *pm = m;
1592 return 0;
1593}
1594
9596ebb7 1595static QEMUMachine *find_machine(const char *name)
cc1daa40
FB		 1596{
1597 QEMUMachine *m;
1598
1599 for(m = first_machine; m != NULL; m = m->next) {
1600 if (!strcmp(m->name, name))
1601 return m;
3f6599e6
MM		 1602 if (m->alias && !strcmp(m->alias, name))
1603 return m;
cc1daa40
FB		 1604 }
1605 return NULL;
1606}
1607
0c257437
AL		 1608static QEMUMachine *find_default_machine(void)
1609{
1610 QEMUMachine *m;
1611
1612 for(m = first_machine; m != NULL; m = m->next) {
1613 if (m->is_default) {
1614 return m;
1615 }
1616 }
1617 return NULL;
1618}
1619
8a7ddc38
FB		 1620/***********************************************************/
1621/* main execution loop */
1622
9596ebb7 1623static void gui_update(void *opaque)
8a7ddc38 1624{
7d957bd8 1625 uint64_t interval = GUI_REFRESH_INTERVAL;
740733bb 1626 DisplayState *ds = opaque;
7d957bd8
AL		 1627 DisplayChangeListener *dcl = ds->listeners;
1628
62a2744c 1629 qemu_flush_coalesced_mmio_buffer();
7d957bd8
AL		 1630 dpy_refresh(ds);
1631
1632 while (dcl != NULL) {
1633 if (dcl->gui_timer_interval &&
1634 dcl->gui_timer_interval < interval)
1635 interval = dcl->gui_timer_interval;
1636 dcl = dcl->next;
1637 }
1638 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
8a7ddc38
FB		 1639}
1640
9043b62d
BS		 1641static void nographic_update(void *opaque)
1642{
1643 uint64_t interval = GUI_REFRESH_INTERVAL;
1644
62a2744c 1645 qemu_flush_coalesced_mmio_buffer();
9043b62d
BS		 1646 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1647}
1648
0bd48850
FB		 1649struct vm_change_state_entry {
1650 VMChangeStateHandler *cb;
1651 void *opaque;
72cf2d4f 1652 QLIST_ENTRY (vm_change_state_entry) entries;
0bd48850
FB		 1653};
1654
72cf2d4f 1655static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
0bd48850
FB		 1656
1657VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1658 void *opaque)
1659{
1660 VMChangeStateEntry *e;
1661
1662 e = qemu_mallocz(sizeof (*e));
0bd48850
FB		 1663
1664 e->cb = cb;
1665 e->opaque = opaque;
72cf2d4f 1666 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
0bd48850
FB		 1667 return e;
1668}
1669
1670void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1671{
72cf2d4f 1672 QLIST_REMOVE (e, entries);
0bd48850
FB		 1673 qemu_free (e);
1674}
1675
296af7c9 1676void vm_state_notify(int running, int reason)
0bd48850
FB		 1677{
1678 VMChangeStateEntry *e;
1679
1680 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
9781e040 1681 e->cb(e->opaque, running, reason);
0bd48850
FB		 1682 }
1683}
1684
8a7ddc38
FB		 1685void vm_start(void)
1686{
1687 if (!vm_running) {
1688 cpu_enable_ticks();
1689 vm_running = 1;
9781e040 1690 vm_state_notify(1, 0);
d6dc3d42 1691 resume_all_vcpus();
6ed2c484 1692 monitor_protocol_event(QEVENT_RESUME, NULL);
8a7ddc38
FB		 1693 }
1694}
1695
bb0c6722
FB		 1696/* reset/shutdown handler */
1697
1698typedef struct QEMUResetEntry {
72cf2d4f 1699 QTAILQ_ENTRY(QEMUResetEntry) entry;
bb0c6722
FB		 1700 QEMUResetHandler *func;
1701 void *opaque;
bb0c6722
FB		 1702} QEMUResetEntry;
1703
72cf2d4f
BS		 1704static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1705 QTAILQ_HEAD_INITIALIZER(reset_handlers);
bb0c6722
FB		 1706static int reset_requested;
1707static int shutdown_requested;
3475187d 1708static int powerdown_requested;
296af7c9 1709int debug_requested;
7277e027 1710int vmstop_requested;
0e8d2b55 1711static int exit_requested;
bb0c6722 1712
cf7a2fe2
AJ		 1713int qemu_shutdown_requested(void)
1714{
1715 int r = shutdown_requested;
1716 shutdown_requested = 0;
1717 return r;
1718}
1719
1720int qemu_reset_requested(void)
1721{
1722 int r = reset_requested;
1723 reset_requested = 0;
1724 return r;
1725}
1726
1727int qemu_powerdown_requested(void)
1728{
1729 int r = powerdown_requested;
1730 powerdown_requested = 0;
1731 return r;
1732}
1733
0e8d2b55
LC		 1734int qemu_exit_requested(void)
1735{
1736 /* just return it, we'll exit() anyway */
1737 return exit_requested;
1738}
1739
e568902a
AL		 1740static int qemu_debug_requested(void)
1741{
1742 int r = debug_requested;
1743 debug_requested = 0;
1744 return r;
1745}
1746
6e29f5da
AL		 1747static int qemu_vmstop_requested(void)
1748{
1749 int r = vmstop_requested;
1750 vmstop_requested = 0;
1751 return r;
1752}
1753
a08d4367 1754void qemu_register_reset(QEMUResetHandler *func, void *opaque)
bb0c6722 1755{
55ddfe8e 1756 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
bb0c6722 1757
bb0c6722
FB		 1758 re->func = func;
1759 re->opaque = opaque;
72cf2d4f 1760 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
bb0c6722
FB		 1761}
1762
dda9b29f 1763void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
bb0c6722
FB		 1764{
1765 QEMUResetEntry *re;
1766
72cf2d4f 1767 QTAILQ_FOREACH(re, &reset_handlers, entry) {
dda9b29f 1768 if (re->func == func && re->opaque == opaque) {
72cf2d4f 1769 QTAILQ_REMOVE(&reset_handlers, re, entry);
dda9b29f
JK		 1770 qemu_free(re);
1771 return;
1772 }
1773 }
1774}
1775
1776void qemu_system_reset(void)
1777{
1778 QEMUResetEntry *re, *nre;
1779
1780 /* reset all devices */
72cf2d4f 1781 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
bb0c6722
FB		 1782 re->func(re->opaque);
1783 }
81d9b784 1784 monitor_protocol_event(QEVENT_RESET, NULL);
ea375f9a 1785 cpu_synchronize_all_post_reset();
bb0c6722
FB		 1786}
1787
1788void qemu_system_reset_request(void)
1789{
d1beab82
FB		 1790 if (no_reboot) {
1791 shutdown_requested = 1;
1792 } else {
1793 reset_requested = 1;
1794 }
d9f75a4e 1795 qemu_notify_event();
bb0c6722
FB		 1796}
1797
1798void qemu_system_shutdown_request(void)
1799{
1800 shutdown_requested = 1;
d9f75a4e 1801 qemu_notify_event();
bb0c6722
FB		 1802}
1803
3475187d
FB		 1804void qemu_system_powerdown_request(void)
1805{
1806 powerdown_requested = 1;
d9f75a4e
AL		 1807 qemu_notify_event();
1808}
1809
0e8d2b55
LC		 1810void qemu_system_exit_request(void)
1811{
1812 exit_requested = 1;
1813 qemu_notify_event();
1814}
1815
877cf882 1816#ifdef _WIN32
69d6451c 1817static void host_main_loop_wait(int *timeout)
56f3a5d0
AL		 1818{
1819 int ret, ret2, i;
f331110f
FB		 1820 PollingEntry *pe;
1821
c4b1fcc0 1822
f331110f
FB		 1823 /* XXX: need to suppress polling by better using win32 events */
1824 ret = 0;
1825 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
1826 ret |= pe->func(pe->opaque);
1827 }
e6b1e558 1828 if (ret == 0) {
a18e524a
FB		 1829 int err;
1830 WaitObjects *w = &wait_objects;
3b46e624 1831
56f3a5d0 1832 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
a18e524a
FB		 1833 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
1834 if (w->func[ret - WAIT_OBJECT_0])
1835 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
3b46e624 1836
5fafdf24 1837 /* Check for additional signaled events */
e6b1e558 1838 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
3b46e624 1839
e6b1e558
TS		 1840 /* Check if event is signaled */
1841 ret2 = WaitForSingleObject(w->events[i], 0);
1842 if(ret2 == WAIT_OBJECT_0) {
1843 if (w->func[i])
1844 w->func[i](w->opaque[i]);
1845 } else if (ret2 == WAIT_TIMEOUT) {
1846 } else {
1847 err = GetLastError();
1848 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
3b46e624
TS		 1849 }
1850 }
a18e524a
FB		 1851 } else if (ret == WAIT_TIMEOUT) {
1852 } else {
1853 err = GetLastError();
e6b1e558 1854 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
a18e524a 1855 }
f331110f 1856 }
56f3a5d0
AL		 1857
1858 *timeout = 0;
1859}
1860#else
69d6451c 1861static void host_main_loop_wait(int *timeout)
56f3a5d0
AL		 1862{
1863}
fd1dff4b 1864#endif
56f3a5d0 1865
d6f4ade2 1866void main_loop_wait(int nonblocking)
56f3a5d0
AL		 1867{
1868 IOHandlerRecord *ioh;
1869 fd_set rfds, wfds, xfds;
1870 int ret, nfds;
1871 struct timeval tv;
d6f4ade2 1872 int timeout;
56f3a5d0 1873
d6f4ade2
PB		 1874 if (nonblocking)
1875 timeout = 0;
1876 else {
1877 timeout = qemu_calculate_timeout();
1878 qemu_bh_update_timeout(&timeout);
1879 }
56f3a5d0
AL		 1880
1881 host_main_loop_wait(&timeout);
1882
fd1dff4b
FB		 1883 /* poll any events */
1884 /* XXX: separate device handlers from system ones */
6abfbd79 1885 nfds = -1;
fd1dff4b
FB		 1886 FD_ZERO(&rfds);
1887 FD_ZERO(&wfds);
e035649e 1888 FD_ZERO(&xfds);
31d4ee6c 1889 QLIST_FOREACH(ioh, &io_handlers, next) {
cafffd40
TS		 1890 if (ioh->deleted)
1891 continue;
fd1dff4b
FB		 1892 if (ioh->fd_read &&
1893 (!ioh->fd_read_poll ||
1894 ioh->fd_read_poll(ioh->opaque) != 0)) {
1895 FD_SET(ioh->fd, &rfds);
1896 if (ioh->fd > nfds)
1897 nfds = ioh->fd;
1898 }
1899 if (ioh->fd_write) {
1900 FD_SET(ioh->fd, &wfds);
1901 if (ioh->fd > nfds)
1902 nfds = ioh->fd;
1903 }
1904 }
3b46e624 1905
56f3a5d0
AL		 1906 tv.tv_sec = timeout / 1000;
1907 tv.tv_usec = (timeout % 1000) * 1000;
1908
d918f23e
JK		 1909 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1910
4870852c 1911 qemu_mutex_unlock_iothread();
e035649e 1912 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
4870852c 1913 qemu_mutex_lock_iothread();
fd1dff4b 1914 if (ret > 0) {
31d4ee6c 1915 IOHandlerRecord *pioh;
cafffd40 1916
31d4ee6c 1917 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
cafffd40 1918 if (ioh->deleted) {
31d4ee6c 1919 QLIST_REMOVE(ioh, next);
cafffd40 1920 qemu_free(ioh);
4bed9837
JQ		 1921 continue;
1922 }
1923 if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1924 ioh->fd_read(ioh->opaque);
1925 }
1926 if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1927 ioh->fd_write(ioh->opaque);
31d4ee6c 1928 }
cafffd40 1929 }
fd1dff4b 1930 }
d918f23e
JK		 1931
1932 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
b4608c04 1933
b6964827 1934 qemu_run_all_timers();
21d5d12b 1935
423f0742
PB		 1936 /* Check bottom-halves last in case any of the earlier events triggered
1937 them. */
1938 qemu_bh_poll();
3b46e624 1939
5905b2e5
FB		 1940}
1941
43b96858
AL		 1942static int vm_can_run(void)
1943{
1944 if (powerdown_requested)
1945 return 0;
1946 if (reset_requested)
1947 return 0;
1948 if (shutdown_requested)
1949 return 0;
e568902a
AL		 1950 if (debug_requested)
1951 return 0;
0e8d2b55
LC		 1952 if (exit_requested)
1953 return 0;
43b96858
AL		 1954 return 1;
1955}
1956
d9c32310
BS		 1957qemu_irq qemu_system_powerdown;
1958
43b96858
AL		 1959static void main_loop(void)
1960{
6e29f5da 1961 int r;
e6e35b1e 1962
7277e027 1963 qemu_main_loop_start();
d6dc3d42 1964
6e29f5da 1965 for (;;) {
43b96858 1966 do {
d6f4ade2 1967 bool nonblocking = false;
e6e35b1e
AL		 1968#ifdef CONFIG_PROFILER
1969 int64_t ti;
1970#endif
d6dc3d42 1971#ifndef CONFIG_IOTHREAD
d6f4ade2 1972 nonblocking = tcg_cpu_exec();
d6dc3d42 1973#endif
89bfc105 1974#ifdef CONFIG_PROFILER
43b96858 1975 ti = profile_getclock();
89bfc105 1976#endif
d6f4ade2 1977 main_loop_wait(nonblocking);
89bfc105 1978#ifdef CONFIG_PROFILER
43b96858 1979 dev_time += profile_getclock() - ti;
89bfc105 1980#endif
e568902a 1981 } while (vm_can_run());
43b96858 1982
54fc6ea9
BS		 1983 if ((r = qemu_debug_requested())) {
1984 vm_stop(r);
b1a15e7e 1985 }
43b96858 1986 if (qemu_shutdown_requested()) {
242cd003 1987 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
43b96858
AL		 1988 if (no_shutdown) {
1989 vm_stop(0);
1990 no_shutdown = 0;
1991 } else
1992 break;
1993 }
d6dc3d42
AL		 1994 if (qemu_reset_requested()) {
1995 pause_all_vcpus();
43b96858 1996 qemu_system_reset();
d6dc3d42
AL		 1997 resume_all_vcpus();
1998 }
d9c32310 1999 if (qemu_powerdown_requested()) {
242cd003 2000 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
d9c32310
BS		 2001 qemu_irq_raise(qemu_system_powerdown);
2002 }
b1a15e7e 2003 if ((r = qemu_vmstop_requested())) {
6e29f5da 2004 vm_stop(r);
b1a15e7e 2005 }
0e8d2b55
LC		 2006 if (qemu_exit_requested()) {
2007 exit(0);
2008 }
b4608c04 2009 }
d6dc3d42 2010 pause_all_vcpus();
b4608c04
FB		 2011}
2012
9bd7e6d9
PB		 2013static void version(void)
2014{
f75ca1ae 2015 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
9bd7e6d9
PB		 2016}
2017
15f82208 2018static void help(int exitcode)
0824d6fc 2019{
e8105ebb 2020 const char *options_help =
ad96090a
BS		 2021#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
2022 opt_help
5824d651
BS		 2023#define DEFHEADING(text) stringify(text) "\n"
2024#include "qemu-options.h"
2025#undef DEF
2026#undef DEFHEADING
2027#undef GEN_DOCS
e8105ebb
PB		 2028 ;
2029 version();
2030 printf("usage: %s [options] [disk_image]\n"
2031 "\n"
f75ca1ae 2032 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
3f020d70 2033 "\n"
e8105ebb 2034 "%s\n"
3f020d70 2035 "During emulation, the following keys are useful:\n"
2036 "ctrl-alt-f toggle full screen\n"
2037 "ctrl-alt-n switch to virtual console 'n'\n"
2038 "ctrl-alt toggle mouse and keyboard grab\n"
2039 "\n"
e8105ebb
PB		 2040 "When using -nographic, press 'ctrl-a h' to get some help.\n",
2041 "qemu",
2042 options_help);
15f82208 2043 exit(exitcode);
0824d6fc
FB		 2044}
2045
cd6f1169
FB		 2046#define HAS_ARG 0x0001
2047
2048enum {
ad96090a 2049#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
5824d651
BS		 2050 opt_enum,
2051#define DEFHEADING(text)
2052#include "qemu-options.h"
2053#undef DEF
2054#undef DEFHEADING
2055#undef GEN_DOCS
cd6f1169
FB		 2056};
2057
2058typedef struct QEMUOption {
2059 const char *name;
2060 int flags;
2061 int index;
ad96090a 2062 uint32_t arch_mask;
cd6f1169
FB		 2063} QEMUOption;
2064
dbed7e40 2065static const QEMUOption qemu_options[] = {
ad96090a
BS		 2066 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2067#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
2068 { option, opt_arg, opt_enum, arch_mask },
5824d651
BS		 2069#define DEFHEADING(text)
2070#include "qemu-options.h"
2071#undef DEF
2072#undef DEFHEADING
2073#undef GEN_DOCS
cd6f1169 2074 { NULL },
fc01f7e7 2075};
3893c124 2076static void select_vgahw (const char *p)
2077{
2078 const char *opts;
2079
64465297 2080 default_vga = 0;
86176759 2081 vga_interface_type = VGA_NONE;
3893c124 2082 if (strstart(p, "std", &opts)) {
86176759 2083 vga_interface_type = VGA_STD;
3893c124 2084 } else if (strstart(p, "cirrus", &opts)) {
86176759 2085 vga_interface_type = VGA_CIRRUS;
3893c124 2086 } else if (strstart(p, "vmware", &opts)) {
86176759 2087 vga_interface_type = VGA_VMWARE;
94909d9f 2088 } else if (strstart(p, "xenfb", &opts)) {
86176759 2089 vga_interface_type = VGA_XENFB;
28b85ed8 2090 } else if (!strstart(p, "none", &opts)) {
3893c124 2091 invalid_vga:
2092 fprintf(stderr, "Unknown vga type: %s\n", p);
2093 exit(1);
2094 }
cb5a7aa8 2095 while (*opts) {
2096 const char *nextopt;
2097
2098 if (strstart(opts, ",retrace=", &nextopt)) {
2099 opts = nextopt;
2100 if (strstart(opts, "dumb", &nextopt))
2101 vga_retrace_method = VGA_RETRACE_DUMB;
2102 else if (strstart(opts, "precise", &nextopt))
2103 vga_retrace_method = VGA_RETRACE_PRECISE;
2104 else goto invalid_vga;
2105 } else goto invalid_vga;
2106 opts = nextopt;
2107 }
3893c124 2108}
2109
7d4c3d53
MA		 2110static int balloon_parse(const char *arg)
2111{
382f0743 2112 QemuOpts *opts;
7d4c3d53 2113
382f0743
GH		 2114 if (strcmp(arg, "none") == 0) {
2115 return 0;
2116 }
2117
2118 if (!strncmp(arg, "virtio", 6)) {
2119 if (arg[6] == ',') {
2120 /* have params -> parse them */
8212c64f 2121 opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
382f0743
GH		 2122 if (!opts)
2123 return -1;
2124 } else {
2125 /* create empty opts */
2126 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
7d4c3d53 2127 }
382f0743
GH		 2128 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
2129 return 0;
7d4c3d53 2130 }
382f0743
GH		 2131
2132 return -1;
7d4c3d53 2133}
7d4c3d53 2134
3587d7e6
FB		 2135#ifdef _WIN32
2136static BOOL WINAPI qemu_ctrl_handler(DWORD type)
2137{
2138 exit(STATUS_CONTROL_C_EXIT);
2139 return TRUE;
2140}
2141#endif
2142
5b08fc10
AL		 2143#ifndef _WIN32
2144
2145static void termsig_handler(int signal)
2146{
2147 qemu_system_shutdown_request();
2148}
2149
7c3370d4
JK		 2150static void sigchld_handler(int signal)
2151{
2152 waitpid(-1, NULL, WNOHANG);
2153}
2154
2155static void sighandler_setup(void)
5b08fc10
AL		 2156{
2157 struct sigaction act;
2158
2159 memset(&act, 0, sizeof(act));
2160 act.sa_handler = termsig_handler;
2161 sigaction(SIGINT, &act, NULL);
2162 sigaction(SIGHUP, &act, NULL);
2163 sigaction(SIGTERM, &act, NULL);
7c3370d4
JK		 2164
2165 act.sa_handler = sigchld_handler;
2166 act.sa_flags = SA_NOCLDSTOP;
2167 sigaction(SIGCHLD, &act, NULL);
5b08fc10
AL		 2168}
2169
2170#endif
2171
5cea8590
PB		 2172#ifdef _WIN32
2173/* Look for support files in the same directory as the executable. */
2174static char *find_datadir(const char *argv0)
2175{
2176 char *p;
2177 char buf[MAX_PATH];
2178 DWORD len;
2179
2180 len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
2181 if (len == 0) {
c5947808 2182 return NULL;
5cea8590
PB		 2183 }
2184
2185 buf[len] = 0;
2186 p = buf + len - 1;
2187 while (p != buf && *p != '\\')
2188 p--;
2189 *p = 0;
2190 if (access(buf, R_OK) == 0) {
2191 return qemu_strdup(buf);
2192 }
2193 return NULL;
2194}
2195#else /* !_WIN32 */
2196
2197/* Find a likely location for support files using the location of the binary.
2198 For installed binaries this will be "$bindir/../share/qemu". When
2199 running from the build tree this will be "$bindir/../pc-bios". */
2200#define SHARE_SUFFIX "/share/qemu"
2201#define BUILD_SUFFIX "/pc-bios"
2202static char *find_datadir(const char *argv0)
2203{
2204 char *dir;
2205 char *p = NULL;
2206 char *res;
5cea8590 2207 char buf[PATH_MAX];
3a41759d 2208 size_t max_len;
5cea8590
PB		 2209
2210#if defined(__linux__)
2211 {
2212 int len;
2213 len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
2214 if (len > 0) {
2215 buf[len] = 0;
2216 p = buf;
2217 }
2218 }
2219#elif defined(__FreeBSD__)
2220 {
92c0e657
JL		 2221 static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
2222 size_t len = sizeof(buf) - 1;
2223
2224 *buf = '\0';
2225 if (!sysctl(mib, sizeof(mib)/sizeof(*mib), buf, &len, NULL, 0) &&
2226 *buf) {
2227 buf[sizeof(buf) - 1] = '\0';
5cea8590
PB		 2228 p = buf;
2229 }
2230 }
2231#endif
2232 /* If we don't have any way of figuring out the actual executable
2233 location then try argv[0]. */
2234 if (!p) {
4d224196 2235 p = realpath(argv0, buf);
5cea8590
PB		 2236 if (!p) {
2237 return NULL;
2238 }
2239 }
2240 dir = dirname(p);
2241 dir = dirname(dir);
2242
3a41759d
BS		 2243 max_len = strlen(dir) +
2244 MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
2245 res = qemu_mallocz(max_len);
2246 snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
5cea8590 2247 if (access(res, R_OK)) {
3a41759d 2248 snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
5cea8590
PB		 2249 if (access(res, R_OK)) {
2250 qemu_free(res);
2251 res = NULL;
2252 }
2253 }
4d224196 2254
5cea8590
PB		 2255 return res;
2256}
2257#undef SHARE_SUFFIX
2258#undef BUILD_SUFFIX
2259#endif
2260
2261char *qemu_find_file(int type, const char *name)
2262{
2263 int len;
2264 const char *subdir;
2265 char *buf;
2266
2267 /* If name contains path separators then try it as a straight path. */
2268 if ((strchr(name, '/') || strchr(name, '\\'))
2269 && access(name, R_OK) == 0) {
73ffc805 2270 return qemu_strdup(name);
5cea8590
PB		 2271 }
2272 switch (type) {
2273 case QEMU_FILE_TYPE_BIOS:
2274 subdir = "";
2275 break;
2276 case QEMU_FILE_TYPE_KEYMAP:
2277 subdir = "keymaps/";
2278 break;
2279 default:
2280 abort();
2281 }
2282 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2283 buf = qemu_mallocz(len);
3a41759d 2284 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
5cea8590
PB		 2285 if (access(buf, R_OK)) {
2286 qemu_free(buf);
2287 return NULL;
2288 }
2289 return buf;
2290}
2291
ff952ba2
MA		 2292static int device_help_func(QemuOpts *opts, void *opaque)
2293{
2294 return qdev_device_help(opts);
2295}
2296
f31d07d1
GH		 2297static int device_init_func(QemuOpts *opts, void *opaque)
2298{
2299 DeviceState *dev;
2300
2301 dev = qdev_device_add(opts);
2302 if (!dev)
2303 return -1;
2304 return 0;
2305}
2306
1a688d3b
GH		 2307static int chardev_init_func(QemuOpts *opts, void *opaque)
2308{
2309 CharDriverState *chr;
2310
2311 chr = qemu_chr_open_opts(opts, NULL);
2312 if (!chr)
2313 return -1;
2314 return 0;
2315}
2316
74db920c
GS		 2317#ifdef CONFIG_LINUX
2318static int fsdev_init_func(QemuOpts *opts, void *opaque)
2319{
2320 int ret;
2321 ret = qemu_fsdev_add(opts);
2322
2323 return ret;
2324}
2325#endif
2326
88589343
GH		 2327static int mon_init_func(QemuOpts *opts, void *opaque)
2328{
2329 CharDriverState *chr;
2330 const char *chardev;
2331 const char *mode;
2332 int flags;
2333
2334 mode = qemu_opt_get(opts, "mode");
2335 if (mode == NULL) {
2336 mode = "readline";
2337 }
2338 if (strcmp(mode, "readline") == 0) {
2339 flags = MONITOR_USE_READLINE;
2340 } else if (strcmp(mode, "control") == 0) {
2341 flags = MONITOR_USE_CONTROL;
2342 } else {
2343 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2344 exit(1);
2345 }
2346
2347 if (qemu_opt_get_bool(opts, "default", 0))
2348 flags |= MONITOR_IS_DEFAULT;
2349
2350 chardev = qemu_opt_get(opts, "chardev");
2351 chr = qemu_chr_find(chardev);
2352 if (chr == NULL) {
2353 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2354 exit(1);
2355 }
2356
2357 monitor_init(chr, flags);
2358 return 0;
2359}
2360
6ca5582d 2361static void monitor_parse(const char *optarg, const char *mode)
88589343
GH		 2362{
2363 static int monitor_device_index = 0;
2364 QemuOpts *opts;
2365 const char *p;
2366 char label[32];
2367 int def = 0;
2368
2369 if (strstart(optarg, "chardev:", &p)) {
2370 snprintf(label, sizeof(label), "%s", p);
2371 } else {
140e065d
JK		 2372 snprintf(label, sizeof(label), "compat_monitor%d",
2373 monitor_device_index);
2374 if (monitor_device_index == 0) {
88589343
GH		 2375 def = 1;
2376 }
2377 opts = qemu_chr_parse_compat(label, optarg);
2378 if (!opts) {
2379 fprintf(stderr, "parse error: %s\n", optarg);
2380 exit(1);
2381 }
2382 }
2383
2384 opts = qemu_opts_create(&qemu_mon_opts, label, 1);
2385 if (!opts) {
2386 fprintf(stderr, "duplicate chardev: %s\n", label);
2387 exit(1);
2388 }
6ca5582d 2389 qemu_opt_set(opts, "mode", mode);
88589343
GH		 2390 qemu_opt_set(opts, "chardev", label);
2391 if (def)
2392 qemu_opt_set(opts, "default", "on");
2393 monitor_device_index++;
2394}
2395
bd3c948d
GH		 2396struct device_config {
2397 enum {
aee1b935
GH		 2398 DEV_USB, /* -usbdevice */
2399 DEV_BT, /* -bt */
2400 DEV_SERIAL, /* -serial */
2401 DEV_PARALLEL, /* -parallel */
2402 DEV_VIRTCON, /* -virtioconsole */
c9f398e5 2403 DEV_DEBUGCON, /* -debugcon */
bd3c948d
GH		 2404 } type;
2405 const char *cmdline;
72cf2d4f 2406 QTAILQ_ENTRY(device_config) next;
bd3c948d 2407};
72cf2d4f 2408QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH		 2409
2410static void add_device_config(int type, const char *cmdline)
2411{
2412 struct device_config *conf;
2413
2414 conf = qemu_mallocz(sizeof(*conf));
2415 conf->type = type;
2416 conf->cmdline = cmdline;
72cf2d4f 2417 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH		 2418}
2419
2420static int foreach_device_config(int type, int (*func)(const char *cmdline))
2421{
2422 struct device_config *conf;
2423 int rc;
2424
72cf2d4f 2425 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH		 2426 if (conf->type != type)
2427 continue;
2428 rc = func(conf->cmdline);
2429 if (0 != rc)
2430 return rc;
2431 }
2432 return 0;
2433}
2434
998bbd74
GH		 2435static int serial_parse(const char *devname)
2436{
2437 static int index = 0;
2438 char label[32];
2439
2440 if (strcmp(devname, "none") == 0)
2441 return 0;
2442 if (index == MAX_SERIAL_PORTS) {
2443 fprintf(stderr, "qemu: too many serial ports\n");
2444 exit(1);
2445 }
2446 snprintf(label, sizeof(label), "serial%d", index);
2447 serial_hds[index] = qemu_chr_open(label, devname, NULL);
2448 if (!serial_hds[index]) {
2449 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
2450 devname, strerror(errno));
2451 return -1;
2452 }
2453 index++;
2454 return 0;
2455}
2456
6a5e8b0e
GH		 2457static int parallel_parse(const char *devname)
2458{
2459 static int index = 0;
2460 char label[32];
2461
2462 if (strcmp(devname, "none") == 0)
2463 return 0;
2464 if (index == MAX_PARALLEL_PORTS) {
2465 fprintf(stderr, "qemu: too many parallel ports\n");
2466 exit(1);
2467 }
2468 snprintf(label, sizeof(label), "parallel%d", index);
2469 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
2470 if (!parallel_hds[index]) {
2471 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2472 devname, strerror(errno));
2473 return -1;
2474 }
2475 index++;
2476 return 0;
2477}
2478
aee1b935
GH		 2479static int virtcon_parse(const char *devname)
2480{
2481 static int index = 0;
2482 char label[32];
392ecf54 2483 QemuOpts *bus_opts, *dev_opts;
aee1b935
GH		 2484
2485 if (strcmp(devname, "none") == 0)
2486 return 0;
2487 if (index == MAX_VIRTIO_CONSOLES) {
2488 fprintf(stderr, "qemu: too many virtio consoles\n");
2489 exit(1);
2490 }
392ecf54
AS		 2491
2492 bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2493 qemu_opt_set(bus_opts, "driver", "virtio-serial");
2494
2495 dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2496 qemu_opt_set(dev_opts, "driver", "virtconsole");
2497
aee1b935
GH		 2498 snprintf(label, sizeof(label), "virtcon%d", index);
2499 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
2500 if (!virtcon_hds[index]) {
2501 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2502 devname, strerror(errno));
2503 return -1;
2504 }
392ecf54
AS		 2505 qemu_opt_set(dev_opts, "chardev", label);
2506
aee1b935
GH		 2507 index++;
2508 return 0;
2509}
2510
c9f398e5
PA		 2511static int debugcon_parse(const char *devname)
2512{
2513 QemuOpts *opts;
2514
2515 if (!qemu_chr_open("debugcon", devname, NULL)) {
2516 exit(1);
2517 }
2518 opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
2519 if (!opts) {
2520 fprintf(stderr, "qemu: already have a debugcon device\n");
2521 exit(1);
2522 }
2523 qemu_opt_set(opts, "driver", "isa-debugcon");
2524 qemu_opt_set(opts, "chardev", "debugcon");
2525 return 0;
2526}
2527
6530a97b
AL		 2528static const QEMUOption *lookup_opt(int argc, char **argv,
2529 const char **poptarg, int *poptind)
2530{
2531 const QEMUOption *popt;
2532 int optind = *poptind;
2533 char *r = argv[optind];
2534 const char *optarg;
2535
0f0bc3f1 2536 loc_set_cmdline(argv, optind, 1);
6530a97b
AL		 2537 optind++;
2538 /* Treat --foo the same as -foo. */
2539 if (r[1] == '-')
2540 r++;
2541 popt = qemu_options;
2542 for(;;) {
2543 if (!popt->name) {
0f0bc3f1 2544 error_report("invalid option");
6530a97b
AL		 2545 exit(1);
2546 }
2547 if (!strcmp(popt->name, r + 1))
2548 break;
2549 popt++;
2550 }
2551 if (popt->flags & HAS_ARG) {
2552 if (optind >= argc) {
0f0bc3f1 2553 error_report("requires an argument");
6530a97b
AL		 2554 exit(1);
2555 }
2556 optarg = argv[optind++];
0f0bc3f1 2557 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL		 2558 } else {
2559 optarg = NULL;
2560 }
2561
2562 *poptarg = optarg;
2563 *poptind = optind;
2564
2565 return popt;
2566}
2567
902b3d5c 2568int main(int argc, char **argv, char **envp)
0824d6fc 2569{
59030a8c 2570 const char *gdbstub_dev = NULL;
e4bcb14c 2571 int i;
da1fcfda 2572 int snapshot, linux_boot;
4e3de9e9 2573 const char *icount_option = NULL;
7f7f9873 2574 const char *initrd_filename;
a20dd508 2575 const char *kernel_filename, *kernel_cmdline;
195325a4 2576 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
3023f332 2577 DisplayState *ds;
7d957bd8 2578 DisplayChangeListener *dcl;
46d4767d 2579 int cyls, heads, secs, translation;
f31d07d1 2580 QemuOpts *hda_opts = NULL, *opts;
cd6f1169 2581 int optind;
6530a97b 2582 const char *optarg;
d63d307f 2583 const char *loadvm = NULL;
cc1daa40 2584 QEMUMachine *machine;
94fc95cd 2585 const char *cpu_model;
b9e82a59 2586#ifndef _WIN32
71e3ceb8 2587 int fds[2];
b9e82a59 2588#endif
26a5f13b 2589 int tb_size;
93815bc2 2590 const char *pid_file = NULL;
5bb7910a 2591 const char *incoming = NULL;
b9e82a59 2592#ifndef _WIN32
54042bcf
AL		 2593 int fd = 0;
2594 struct passwd *pwd = NULL;
0858532e
AL		 2595 const char *chroot_dir = NULL;
2596 const char *run_as = NULL;
b9e82a59 2597#endif
993fbfdb 2598 int show_vnc_port = 0;
292444cb 2599 int defconfig = 1;
0bd48850 2600
65abca0a
MA		 2601 error_set_progname(argv[0]);
2602
6875204c
JK		 2603 init_clocks();
2604
902b3d5c 2605 qemu_cache_utils_init(envp);
2606
72cf2d4f 2607 QLIST_INIT (&vm_change_state_head);
be995c27
FB		 2608#ifndef _WIN32
2609 {
2610 struct sigaction act;
2611 sigfillset(&act.sa_mask);
2612 act.sa_flags = 0;
2613 act.sa_handler = SIG_IGN;
2614 sigaction(SIGPIPE, &act, NULL);
2615 }
3587d7e6
FB		 2616#else
2617 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
a8e5ac33
FB		 2618 /* Note: cpu_interrupt() is currently not SMP safe, so we force
2619 QEMU to run on a single CPU */
2620 {
2621 HANDLE h;
2622 DWORD mask, smask;
2623 int i;
2624 h = GetCurrentProcess();
2625 if (GetProcessAffinityMask(h, &mask, &smask)) {
2626 for(i = 0; i < 32; i++) {
2627 if (mask & (1 << i))
2628 break;
2629 }
2630 if (i != 32) {
2631 mask = 1 << i;
2632 SetProcessAffinityMask(h, mask);
2633 }
2634 }
2635 }
67b915a5 2636#endif
be995c27 2637
f80f9ec9 2638 module_call_init(MODULE_INIT_MACHINE);
0c257437 2639 machine = find_default_machine();
94fc95cd 2640 cpu_model = NULL;
fc01f7e7 2641 initrd_filename = NULL;
4fc5d071 2642 ram_size = 0;
33e3963e 2643 snapshot = 0;
a20dd508
FB		 2644 kernel_filename = NULL;
2645 kernel_cmdline = "";
c4b1fcc0 2646 cyls = heads = secs = 0;
46d4767d 2647 translation = BIOS_ATA_TRANSLATION_AUTO;
c4b1fcc0 2648
268a362c
AL		 2649 for (i = 0; i < MAX_NODES; i++) {
2650 node_mem[i] = 0;
2651 node_cpumask[i] = 0;
2652 }
2653
268a362c 2654 nb_numa_nodes = 0;
7c9d8e07 2655 nb_nics = 0;
3b46e624 2656
26a5f13b 2657 tb_size = 0;
41bd639b
BS		 2658 autostart= 1;
2659
292444cb
AL		 2660 /* first pass of option parsing */
2661 optind = 1;
2662 while (optind < argc) {
2663 if (argv[optind][0] != '-') {
2664 /* disk image */
28e68d68 2665 optind++;
292444cb
AL		 2666 continue;
2667 } else {
2668 const QEMUOption *popt;
2669
2670 popt = lookup_opt(argc, argv, &optarg, &optind);
2671 switch (popt->index) {
2672 case QEMU_OPTION_nodefconfig:
2673 defconfig=0;
2674 break;
2675 }
2676 }
2677 }
2678
2679 if (defconfig) {
dcfb0939 2680 int ret;
cf5a65aa 2681
dcfb0939
KW		 2682 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2683 if (ret == -EINVAL) {
2684 exit(1);
292444cb
AL		 2685 }
2686
dcfb0939
KW		 2687 ret = qemu_read_config_file(arch_config_name);
2688 if (ret == -EINVAL) {
2689 exit(1);
292444cb
AL		 2690 }
2691 }
de06f8d1 2692 cpudef_init();
292444cb
AL		 2693
2694 /* second pass of option parsing */
cd6f1169 2695 optind = 1;
0824d6fc 2696 for(;;) {
cd6f1169 2697 if (optind >= argc)
0824d6fc 2698 break;
6530a97b 2699 if (argv[optind][0] != '-') {
9dfd7c7a 2700 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
cd6f1169
FB		 2701 } else {
2702 const QEMUOption *popt;
2703
6530a97b 2704 popt = lookup_opt(argc, argv, &optarg, &optind);
ad96090a
BS		 2705 if (!(popt->arch_mask & arch_type)) {
2706 printf("Option %s not supported for this target\n", popt->name);
2707 exit(1);
2708 }
cd6f1169 2709 switch(popt->index) {
cc1daa40
FB		 2710 case QEMU_OPTION_M:
2711 machine = find_machine(optarg);
2712 if (!machine) {
2713 QEMUMachine *m;
2714 printf("Supported machines are:\n");
2715 for(m = first_machine; m != NULL; m = m->next) {
3f6599e6
MM		 2716 if (m->alias)
2717 printf("%-10s %s (alias of %s)\n",
2718 m->alias, m->desc, m->name);
cc1daa40 2719 printf("%-10s %s%s\n",
5fafdf24 2720 m->name, m->desc,
0c257437 2721 m->is_default ? " (default)" : "");
cc1daa40 2722 }
15f82208 2723 exit(*optarg != '?');
cc1daa40
FB		 2724 }
2725 break;
94fc95cd
JM		 2726 case QEMU_OPTION_cpu:
2727 /* hw initialization will check this */
15f82208 2728 if (*optarg == '?') {
262353cb 2729 list_cpus(stdout, &fprintf, optarg);
15f82208 2730 exit(0);
94fc95cd
JM		 2731 } else {
2732 cpu_model = optarg;
2733 }
2734 break;
cd6f1169 2735 case QEMU_OPTION_initrd:
fc01f7e7
FB		 2736 initrd_filename = optarg;
2737 break;
cd6f1169 2738 case QEMU_OPTION_hda:
e4bcb14c 2739 if (cyls == 0)
9dfd7c7a 2740 hda_opts = drive_add(optarg, HD_ALIAS, 0);
e4bcb14c 2741 else
9dfd7c7a 2742 hda_opts = drive_add(optarg, HD_ALIAS
e4bcb14c 2743 ",cyls=%d,heads=%d,secs=%d%s",
609497ab 2744 0, cyls, heads, secs,
e4bcb14c
TS		 2745 translation == BIOS_ATA_TRANSLATION_LBA ?
2746 ",trans=lba" :
2747 translation == BIOS_ATA_TRANSLATION_NONE ?
2748 ",trans=none" : "");
2749 break;
cd6f1169 2750 case QEMU_OPTION_hdb:
cc1daa40
FB		 2751 case QEMU_OPTION_hdc:
2752 case QEMU_OPTION_hdd:
609497ab 2753 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
fc01f7e7 2754 break;
e4bcb14c 2755 case QEMU_OPTION_drive:
609497ab 2756 drive_add(NULL, "%s", optarg);
e4bcb14c 2757 break;
d058fe03
GH		 2758 case QEMU_OPTION_set:
2759 if (qemu_set_option(optarg) != 0)
2760 exit(1);
2761 break;
d0fef6fb
GH		 2762 case QEMU_OPTION_global:
2763 if (qemu_global_option(optarg) != 0)
2764 exit(1);
2765 break;
3e3d5815 2766 case QEMU_OPTION_mtdblock:
609497ab 2767 drive_add(optarg, MTD_ALIAS);
3e3d5815 2768 break;
a1bb27b1 2769 case QEMU_OPTION_sd:
609497ab 2770 drive_add(optarg, SD_ALIAS);
a1bb27b1 2771 break;
86f55663 2772 case QEMU_OPTION_pflash:
609497ab 2773 drive_add(optarg, PFLASH_ALIAS);
86f55663 2774 break;
cd6f1169 2775 case QEMU_OPTION_snapshot:
33e3963e
FB		 2776 snapshot = 1;
2777 break;
cd6f1169 2778 case QEMU_OPTION_hdachs:
330d0414 2779 {
330d0414
FB		 2780 const char *p;
2781 p = optarg;
2782 cyls = strtol(p, (char **)&p, 0);
46d4767d
FB		 2783 if (cyls < 1 || cyls > 16383)
2784 goto chs_fail;
330d0414
FB		 2785 if (*p != ',')
2786 goto chs_fail;
2787 p++;
2788 heads = strtol(p, (char **)&p, 0);
46d4767d
FB		 2789 if (heads < 1 || heads > 16)
2790 goto chs_fail;
330d0414
FB		 2791 if (*p != ',')
2792 goto chs_fail;
2793 p++;
2794 secs = strtol(p, (char **)&p, 0);
46d4767d
FB		 2795 if (secs < 1 || secs > 63)
2796 goto chs_fail;
2797 if (*p == ',') {
2798 p++;
2799 if (!strcmp(p, "none"))
2800 translation = BIOS_ATA_TRANSLATION_NONE;
2801 else if (!strcmp(p, "lba"))
2802 translation = BIOS_ATA_TRANSLATION_LBA;
2803 else if (!strcmp(p, "auto"))
2804 translation = BIOS_ATA_TRANSLATION_AUTO;
2805 else
2806 goto chs_fail;
2807 } else if (*p != '\0') {
c4b1fcc0 2808 chs_fail:
46d4767d
FB		 2809 fprintf(stderr, "qemu: invalid physical CHS format\n");
2810 exit(1);
c4b1fcc0 2811 }
9dfd7c7a
GH		 2812 if (hda_opts != NULL) {
2813 char num[16];
2814 snprintf(num, sizeof(num), "%d", cyls);
2815 qemu_opt_set(hda_opts, "cyls", num);
2816 snprintf(num, sizeof(num), "%d", heads);
2817 qemu_opt_set(hda_opts, "heads", num);
2818 snprintf(num, sizeof(num), "%d", secs);
2819 qemu_opt_set(hda_opts, "secs", num);
2820 if (translation == BIOS_ATA_TRANSLATION_LBA)
2821 qemu_opt_set(hda_opts, "trans", "lba");
2822 if (translation == BIOS_ATA_TRANSLATION_NONE)
2823 qemu_opt_set(hda_opts, "trans", "none");
2824 }
330d0414
FB		 2825 }
2826 break;
268a362c
AL		 2827 case QEMU_OPTION_numa:
2828 if (nb_numa_nodes >= MAX_NODES) {
2829 fprintf(stderr, "qemu: too many NUMA nodes\n");
2830 exit(1);
2831 }
2832 numa_add(optarg);
2833 break;
cd6f1169 2834 case QEMU_OPTION_nographic:
993fbfdb 2835 display_type = DT_NOGRAPHIC;
a20dd508 2836 break;
4d3b6f6e
AZ		 2837#ifdef CONFIG_CURSES
2838 case QEMU_OPTION_curses:
993fbfdb 2839 display_type = DT_CURSES;
4d3b6f6e
AZ		 2840 break;
2841#endif
a171fe39
AZ		 2842 case QEMU_OPTION_portrait:
2843 graphic_rotate = 1;
2844 break;
cd6f1169 2845 case QEMU_OPTION_kernel:
a20dd508
FB		 2846 kernel_filename = optarg;
2847 break;
cd6f1169 2848 case QEMU_OPTION_append:
a20dd508 2849 kernel_cmdline = optarg;
313aa567 2850 break;
cd6f1169 2851 case QEMU_OPTION_cdrom:
609497ab 2852 drive_add(optarg, CDROM_ALIAS);
36b486bb 2853 break;
cd6f1169 2854 case QEMU_OPTION_boot:
28c5af54 2855 {
ef3adf68 2856 static const char * const params[] = {
95387491 2857 "order", "once", "menu", NULL
ef3adf68
JK		 2858 };
2859 char buf[sizeof(boot_devices)];
e0f084bf 2860 char *standard_boot_devices;
ef3adf68
JK		 2861 int legacy = 0;
2862
2863 if (!strchr(optarg, '=')) {
2864 legacy = 1;
2865 pstrcpy(buf, sizeof(buf), optarg);
2866 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2867 fprintf(stderr,
2868 "qemu: unknown boot parameter '%s' in '%s'\n",
2869 buf, optarg);
2870 exit(1);
2871 }
2872
2873 if (legacy ||
2874 get_param_value(buf, sizeof(buf), "order", optarg)) {
4e9e9d6e 2875 validate_bootdevices(buf);
ef3adf68 2876 pstrcpy(boot_devices, sizeof(boot_devices), buf);
28c5af54 2877 }
e0f084bf
JK		 2878 if (!legacy) {
2879 if (get_param_value(buf, sizeof(buf),
2880 "once", optarg)) {
4e9e9d6e 2881 validate_bootdevices(buf);
e0f084bf
JK		 2882 standard_boot_devices = qemu_strdup(boot_devices);
2883 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2884 qemu_register_reset(restore_boot_devices,
2885 standard_boot_devices);
2886 }
95387491
JK		 2887 if (get_param_value(buf, sizeof(buf),
2888 "menu", optarg)) {
2889 if (!strcmp(buf, "on")) {
2890 boot_menu = 1;
2891 } else if (!strcmp(buf, "off")) {
2892 boot_menu = 0;
2893 } else {
2894 fprintf(stderr,
2895 "qemu: invalid option value '%s'\n",
2896 buf);
2897 exit(1);
2898 }
2899 }
e0f084bf 2900 }
36b486bb
FB		 2901 }
2902 break;
cd6f1169 2903 case QEMU_OPTION_fda:
cd6f1169 2904 case QEMU_OPTION_fdb:
609497ab 2905 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
c45886db 2906 break;
52ca8d6a
FB		 2907 case QEMU_OPTION_no_fd_bootchk:
2908 fd_bootchk = 0;
2909 break;
a1ea458f
MM		 2910 case QEMU_OPTION_netdev:
2911 if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2912 exit(1);
2913 }
2914 break;
7c9d8e07 2915 case QEMU_OPTION_net:
7f161aae 2916 if (net_client_parse(&qemu_net_opts, optarg) == -1) {
c4b1fcc0
FB		 2917 exit(1);
2918 }
702c651c 2919 break;
c7f74643
FB		 2920#ifdef CONFIG_SLIRP
2921 case QEMU_OPTION_tftp:
ad196a9d 2922 legacy_tftp_prefix = optarg;
9bf05444 2923 break;
47d5d01a 2924 case QEMU_OPTION_bootp:
ad196a9d 2925 legacy_bootp_filename = optarg;
47d5d01a 2926 break;
c94c8d64 2927#ifndef _WIN32
9d728e8c 2928 case QEMU_OPTION_smb:
0752706d
MA		 2929 if (net_slirp_smb(optarg) < 0)
2930 exit(1);
9d728e8c 2931 break;
c94c8d64 2932#endif
9bf05444 2933 case QEMU_OPTION_redir:
0752706d
MA		 2934 if (net_slirp_redir(optarg) < 0)
2935 exit(1);
9bf05444 2936 break;
c7f74643 2937#endif
dc72ac14 2938 case QEMU_OPTION_bt:
bd3c948d 2939 add_device_config(DEV_BT, optarg);
dc72ac14 2940 break;
1d14ffa9 2941 case QEMU_OPTION_audio_help:
ad96090a
BS		 2942 if (!(audio_available())) {
2943 printf("Option %s not supported for this target\n", popt->name);
2944 exit(1);
2945 }
1d14ffa9
FB		 2946 AUD_help ();
2947 exit (0);
2948 break;
2949 case QEMU_OPTION_soundhw:
ad96090a
BS		 2950 if (!(audio_available())) {
2951 printf("Option %s not supported for this target\n", popt->name);
2952 exit(1);
2953 }
1d14ffa9
FB		 2954 select_soundhw (optarg);
2955 break;
cd6f1169 2956 case QEMU_OPTION_h:
15f82208 2957 help(0);
cd6f1169 2958 break;
9bd7e6d9
PB		 2959 case QEMU_OPTION_version:
2960 version();
2961 exit(0);
2962 break;
00f82b8a
AJ		 2963 case QEMU_OPTION_m: {
2964 uint64_t value;
2965 char *ptr;
2966
2967 value = strtoul(optarg, &ptr, 10);
2968 switch (*ptr) {
2969 case 0: case 'M': case 'm':
2970 value <<= 20;
2971 break;
2972 case 'G': case 'g':
2973 value <<= 30;
2974 break;
2975 default:
2976 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
cd6f1169
FB		 2977 exit(1);
2978 }
00f82b8a
AJ		 2979
2980 /* On 32-bit hosts, QEMU is limited by virtual address space */
4a1418e0 2981 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
00f82b8a
AJ		 2982 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2983 exit(1);
2984 }
c227f099 2985 if (value != (uint64_t)(ram_addr_t)value) {
00f82b8a
AJ		 2986 fprintf(stderr, "qemu: ram size too large\n");
2987 exit(1);
2988 }
2989 ram_size = value;
cd6f1169 2990 break;
00f82b8a 2991 }
c902760f
MT		 2992 case QEMU_OPTION_mempath:
2993 mem_path = optarg;
2994 break;
2995#ifdef MAP_POPULATE
2996 case QEMU_OPTION_mem_prealloc:
2997 mem_prealloc = 1;
2998 break;
2999#endif
cd6f1169 3000 case QEMU_OPTION_d:
de06f8d1 3001 set_cpu_log(optarg);
cd6f1169 3002 break;
cd6f1169 3003 case QEMU_OPTION_s:
59030a8c 3004 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
cd6f1169 3005 break;
59030a8c
AL		 3006 case QEMU_OPTION_gdb:
3007 gdbstub_dev = optarg;
cd6f1169 3008 break;
cd6f1169 3009 case QEMU_OPTION_L:
5cea8590 3010 data_dir = optarg;
cd6f1169 3011 break;
1192dad8
JM		 3012 case QEMU_OPTION_bios:
3013 bios_name = optarg;
3014 break;
1b530a6d
AJ		 3015 case QEMU_OPTION_singlestep:
3016 singlestep = 1;
3017 break;
cd6f1169 3018 case QEMU_OPTION_S:
3c07f8e8 3019 autostart = 0;
cd6f1169 3020 break;
3d11d0eb
FB		 3021 case QEMU_OPTION_k:
3022 keyboard_layout = optarg;
3023 break;
ee22c2f7
FB		 3024 case QEMU_OPTION_localtime:
3025 rtc_utc = 0;
3026 break;
3893c124 3027 case QEMU_OPTION_vga:
3028 select_vgahw (optarg);
1bfe856e 3029 break;
e9b137c2
FB		 3030 case QEMU_OPTION_g:
3031 {
3032 const char *p;
3033 int w, h, depth;
3034 p = optarg;
3035 w = strtol(p, (char **)&p, 10);
3036 if (w <= 0) {
3037 graphic_error:
3038 fprintf(stderr, "qemu: invalid resolution or depth\n");
3039 exit(1);
3040 }
3041 if (*p != 'x')
3042 goto graphic_error;
3043 p++;
3044 h = strtol(p, (char **)&p, 10);
3045 if (h <= 0)
3046 goto graphic_error;
3047 if (*p == 'x') {
3048 p++;
3049 depth = strtol(p, (char **)&p, 10);
5fafdf24 3050 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB		 3051 depth != 24 && depth != 32)
3052 goto graphic_error;
3053 } else if (*p == '\0') {
3054 depth = graphic_depth;
3055 } else {
3056 goto graphic_error;
3057 }
3b46e624 3058
e9b137c2
FB		 3059 graphic_width = w;
3060 graphic_height = h;
3061 graphic_depth = depth;
3062 }
3063 break;
20d8a3ed
TS		 3064 case QEMU_OPTION_echr:
3065 {
3066 char *r;
3067 term_escape_char = strtol(optarg, &r, 0);
3068 if (r == optarg)
3069 printf("Bad argument to echr\n");
3070 break;
3071 }
82c643ff 3072 case QEMU_OPTION_monitor:
6ca5582d
GH		 3073 monitor_parse(optarg, "readline");
3074 default_monitor = 0;
3075 break;
3076 case QEMU_OPTION_qmp:
3077 monitor_parse(optarg, "control");
2d114dc1 3078 default_monitor = 0;
82c643ff 3079 break;
22a0e04b 3080 case QEMU_OPTION_mon:
8212c64f 3081 opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
22a0e04b 3082 if (!opts) {
22a0e04b
GH		 3083 exit(1);
3084 }
2d114dc1 3085 default_monitor = 0;
22a0e04b 3086 break;
191bc01b 3087 case QEMU_OPTION_chardev:
8212c64f 3088 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
191bc01b 3089 if (!opts) {
191bc01b
GH		 3090 exit(1);
3091 }
191bc01b 3092 break;
74db920c
GS		 3093#ifdef CONFIG_LINUX
3094 case QEMU_OPTION_fsdev:
3095 opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
3096 if (!opts) {
3097 fprintf(stderr, "parse error: %s\n", optarg);
3098 exit(1);
3099 }
3100 break;
3d54abc7
GS		 3101 case QEMU_OPTION_virtfs: {
3102 char *arg_fsdev = NULL;
3103 char *arg_9p = NULL;
3104 int len = 0;
3105
3106 opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
3107 if (!opts) {
3108 fprintf(stderr, "parse error: %s\n", optarg);
3109 exit(1);
3110 }
3111
3112 len = strlen(",id=,path=");
3113 len += strlen(qemu_opt_get(opts, "fstype"));
3114 len += strlen(qemu_opt_get(opts, "mount_tag"));
3115 len += strlen(qemu_opt_get(opts, "path"));
3116 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
3117
3118 if (!arg_fsdev) {
3119 fprintf(stderr, "No memory to parse -fsdev for %s\n",
3120 optarg);
3121 exit(1);
3122 }
3123
3124 sprintf(arg_fsdev, "%s,id=%s,path=%s",
3125 qemu_opt_get(opts, "fstype"),
3126 qemu_opt_get(opts, "mount_tag"),
3127 qemu_opt_get(opts, "path"));
3128
3129 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
3130 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
3131 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
3132
3133 if (!arg_9p) {
3134 fprintf(stderr, "No memory to parse -device for %s\n",
3135 optarg);
3136 exit(1);
3137 }
3138
3139 sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
3140 qemu_opt_get(opts, "mount_tag"),
3141 qemu_opt_get(opts, "mount_tag"));
3142
3143 if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
3144 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
3145 exit(1);
3146 }
3147
3148 if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
3149 fprintf(stderr, "parse error [device]: %s\n", optarg);
3150 exit(1);
3151 }
3152
3153 qemu_free(arg_fsdev);
3154 qemu_free(arg_9p);
3155 break;
3156 }
74db920c 3157#endif
82c643ff 3158 case QEMU_OPTION_serial:
998bbd74
GH		 3159 add_device_config(DEV_SERIAL, optarg);
3160 default_serial = 0;
18141ed6
JK		 3161 if (strncmp(optarg, "mon:", 4) == 0) {
3162 default_monitor = 0;
3163 }
82c643ff 3164 break;
9dd986cc 3165 case QEMU_OPTION_watchdog:
09aaa160
MA		 3166 if (watchdog) {
3167 fprintf(stderr,
3168 "qemu: only one watchdog option may be given\n");
3169 return 1;
3170 }
3171 watchdog = optarg;
9dd986cc
RJ		 3172 break;
3173 case QEMU_OPTION_watchdog_action:
3174 if (select_watchdog_action(optarg) == -1) {
3175 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3176 exit(1);
3177 }
3178 break;
51ecf136 3179 case QEMU_OPTION_virtiocon:
aee1b935
GH		 3180 add_device_config(DEV_VIRTCON, optarg);
3181 default_virtcon = 0;
18141ed6
JK		 3182 if (strncmp(optarg, "mon:", 4) == 0) {
3183 default_monitor = 0;
3184 }
51ecf136 3185 break;
6508fe59 3186 case QEMU_OPTION_parallel:
6a5e8b0e
GH		 3187 add_device_config(DEV_PARALLEL, optarg);
3188 default_parallel = 0;
18141ed6
JK		 3189 if (strncmp(optarg, "mon:", 4) == 0) {
3190 default_monitor = 0;
3191 }
6508fe59 3192 break;
c9f398e5
PA		 3193 case QEMU_OPTION_debugcon:
3194 add_device_config(DEV_DEBUGCON, optarg);
3195 break;
d63d307f
FB		 3196 case QEMU_OPTION_loadvm:
3197 loadvm = optarg;
3198 break;
3199 case QEMU_OPTION_full_screen:
3200 full_screen = 1;
3201 break;
667accab 3202#ifdef CONFIG_SDL
43523e93
TS		 3203 case QEMU_OPTION_no_frame:
3204 no_frame = 1;
3205 break;
3780e197
TS		 3206 case QEMU_OPTION_alt_grab:
3207 alt_grab = 1;
3208 break;
0ca9f8a4
DK		 3209 case QEMU_OPTION_ctrl_grab:
3210 ctrl_grab = 1;
3211 break;
667accab
TS		 3212 case QEMU_OPTION_no_quit:
3213 no_quit = 1;
3214 break;
7d957bd8 3215 case QEMU_OPTION_sdl:
993fbfdb 3216 display_type = DT_SDL;
7d957bd8 3217 break;
667accab 3218#endif
f7cce898 3219 case QEMU_OPTION_pidfile:
93815bc2 3220 pid_file = optarg;
f7cce898 3221 break;
a09db21f
FB		 3222 case QEMU_OPTION_win2k_hack:
3223 win2k_install_hack = 1;
3224 break;
73822ec8
AL		 3225 case QEMU_OPTION_rtc_td_hack:
3226 rtc_td_hack = 1;
3227 break;
8a92ea2f 3228 case QEMU_OPTION_acpitable:
de06f8d1 3229 do_acpitable_option(optarg);
8a92ea2f 3230 break;
b6f6e3d3 3231 case QEMU_OPTION_smbios:
de06f8d1 3232 do_smbios_option(optarg);
b6f6e3d3 3233 break;
7ba1e619
AL		 3234 case QEMU_OPTION_enable_kvm:
3235 kvm_allowed = 1;
7ba1e619 3236 break;
bb36d470
FB		 3237 case QEMU_OPTION_usb:
3238 usb_enabled = 1;
3239 break;
a594cfbf
FB		 3240 case QEMU_OPTION_usbdevice:
3241 usb_enabled = 1;
bd3c948d
GH		 3242 add_device_config(DEV_USB, optarg);
3243 break;
3244 case QEMU_OPTION_device:
8212c64f 3245 if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
f31d07d1
GH		 3246 exit(1);
3247 }
a594cfbf 3248 break;
6a00d601 3249 case QEMU_OPTION_smp:
dc6b1c09 3250 smp_parse(optarg);
b2097003 3251 if (smp_cpus < 1) {
6a00d601
FB		 3252 fprintf(stderr, "Invalid number of CPUs\n");
3253 exit(1);
3254 }
6be68d7e
JS		 3255 if (max_cpus < smp_cpus) {
3256 fprintf(stderr, "maxcpus must be equal to or greater than "
3257 "smp\n");
3258 exit(1);
3259 }
3260 if (max_cpus > 255) {
3261 fprintf(stderr, "Unsupported number of maxcpus\n");
3262 exit(1);
3263 }
6a00d601 3264 break;
24236869 3265 case QEMU_OPTION_vnc:
993fbfdb 3266 display_type = DT_VNC;
73fc9742 3267 vnc_display = optarg;
24236869 3268 break;
6515b203
FB		 3269 case QEMU_OPTION_no_acpi:
3270 acpi_enabled = 0;
3271 break;
16b29ae1
AL		 3272 case QEMU_OPTION_no_hpet:
3273 no_hpet = 1;
3274 break;
7d4c3d53
MA		 3275 case QEMU_OPTION_balloon:
3276 if (balloon_parse(optarg) < 0) {
3277 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3278 exit(1);
3279 }
df97b920 3280 break;
d1beab82
FB		 3281 case QEMU_OPTION_no_reboot:
3282 no_reboot = 1;
3283 break;
b2f76161
AJ		 3284 case QEMU_OPTION_no_shutdown:
3285 no_shutdown = 1;
3286 break;
9467cd46
AZ		 3287 case QEMU_OPTION_show_cursor:
3288 cursor_hide = 0;
3289 break;
8fcb1b90
BS		 3290 case QEMU_OPTION_uuid:
3291 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3292 fprintf(stderr, "Fail to parse UUID string."
3293 " Wrong format.\n");
3294 exit(1);
3295 }
3296 break;
5824d651 3297#ifndef _WIN32
71e3ceb8
TS		 3298 case QEMU_OPTION_daemonize:
3299 daemonize = 1;
3300 break;
5824d651 3301#endif
9ae02555
TS		 3302 case QEMU_OPTION_option_rom:
3303 if (nb_option_roms >= MAX_OPTION_ROMS) {
3304 fprintf(stderr, "Too many option ROMs\n");
3305 exit(1);
3306 }
3307 option_rom[nb_option_roms] = optarg;
3308 nb_option_roms++;
3309 break;
8e71621f
PB		 3310 case QEMU_OPTION_semihosting:
3311 semihosting_enabled = 1;
3312 break;
c35734b2 3313 case QEMU_OPTION_name:
1889465a
AK		 3314 qemu_name = qemu_strdup(optarg);
3315 {
3316 char *p = strchr(qemu_name, ',');
3317 if (p != NULL) {
3318 *p++ = 0;
3319 if (strncmp(p, "process=", 8)) {
3320 fprintf(stderr, "Unknown subargument %s to -name", p);
3321 exit(1);
3322 }
3323 p += 8;
3324 set_proc_name(p);
3325 }
3326 }
c35734b2 3327 break;
66508601
BS		 3328 case QEMU_OPTION_prom_env:
3329 if (nb_prom_envs >= MAX_PROM_ENVS) {
3330 fprintf(stderr, "Too many prom variables\n");
3331 exit(1);
3332 }
3333 prom_envs[nb_prom_envs] = optarg;
3334 nb_prom_envs++;
3335 break;
2b8f2d41
AZ		 3336 case QEMU_OPTION_old_param:
3337 old_param = 1;
05ebd537 3338 break;
f3dcfada
TS		 3339 case QEMU_OPTION_clock:
3340 configure_alarms(optarg);
3341 break;
7e0af5d0 3342 case QEMU_OPTION_startdate:
1ed2fc1f
JK		 3343 configure_rtc_date_offset(optarg, 1);
3344 break;
3345 case QEMU_OPTION_rtc:
8212c64f 3346 opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
1ed2fc1f 3347 if (!opts) {
1ed2fc1f 3348 exit(1);
7e0af5d0 3349 }
1ed2fc1f 3350 configure_rtc(opts);
7e0af5d0 3351 break;
26a5f13b
FB		 3352 case QEMU_OPTION_tb_size:
3353 tb_size = strtol(optarg, NULL, 0);
3354 if (tb_size < 0)
3355 tb_size = 0;
3356 break;
2e70f6ef 3357 case QEMU_OPTION_icount:
4e3de9e9 3358 icount_option = optarg;
2e70f6ef 3359 break;
5bb7910a
AL		 3360 case QEMU_OPTION_incoming:
3361 incoming = optarg;
3362 break;
d8c208dd
GH		 3363 case QEMU_OPTION_nodefaults:
3364 default_serial = 0;
3365 default_parallel = 0;
aee1b935 3366 default_virtcon = 0;
d8c208dd
GH		 3367 default_monitor = 0;
3368 default_vga = 0;
cb4522cc 3369 default_net = 0;
ac33f8fa
GH		 3370 default_floppy = 0;
3371 default_cdrom = 0;
3372 default_sdcard = 0;
d8c208dd 3373 break;
5824d651 3374#ifndef _WIN32
0858532e
AL		 3375 case QEMU_OPTION_chroot:
3376 chroot_dir = optarg;
3377 break;
3378 case QEMU_OPTION_runas:
3379 run_as = optarg;
3380 break;
e37630ca 3381#endif
e37630ca 3382 case QEMU_OPTION_xen_domid:
ad96090a
BS		 3383 if (!(xen_available())) {
3384 printf("Option %s not supported for this target\n", popt->name);
3385 exit(1);
3386 }
e37630ca
AL		 3387 xen_domid = atoi(optarg);
3388 break;
3389 case QEMU_OPTION_xen_create:
ad96090a
BS		 3390 if (!(xen_available())) {
3391 printf("Option %s not supported for this target\n", popt->name);
3392 exit(1);
3393 }
e37630ca
AL		 3394 xen_mode = XEN_CREATE;
3395 break;
3396 case QEMU_OPTION_xen_attach:
ad96090a
BS		 3397 if (!(xen_available())) {
3398 printf("Option %s not supported for this target\n", popt->name);
3399 exit(1);
3400 }
e37630ca
AL		 3401 xen_mode = XEN_ATTACH;
3402 break;
715a664a
GH		 3403 case QEMU_OPTION_readconfig:
3404 {
dcfb0939
KW		 3405 int ret = qemu_read_config_file(optarg);
3406 if (ret < 0) {
3407 fprintf(stderr, "read config %s: %s\n", optarg,
3408 strerror(-ret));
715a664a
GH		 3409 exit(1);
3410 }
715a664a
GH		 3411 break;
3412 }
3413 case QEMU_OPTION_writeconfig:
3414 {
3415 FILE *fp;
3416 if (strcmp(optarg, "-") == 0) {
3417 fp = stdout;
3418 } else {
3419 fp = fopen(optarg, "w");
3420 if (fp == NULL) {
3421 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3422 exit(1);
3423 }
3424 }
3425 qemu_config_write(fp);
3426 fclose(fp);
3427 break;
3428 }
cd6f1169 3429 }
0824d6fc
FB		 3430 }
3431 }
0f0bc3f1 3432 loc_set_none();
330d0414 3433
5cea8590
PB		 3434 /* If no data_dir is specified then try to find it relative to the
3435 executable path. */
3436 if (!data_dir) {
3437 data_dir = find_datadir(argv[0]);
3438 }
3439 /* If all else fails use the install patch specified when building. */
3440 if (!data_dir) {
3441 data_dir = CONFIG_QEMU_SHAREDIR;
3442 }
3443
6be68d7e
JS		 3444 /*
3445 * Default to max_cpus = smp_cpus, in case the user doesn't
3446 * specify a max_cpus value.
3447 */
3448 if (!max_cpus)
3449 max_cpus = smp_cpus;
3450
3d878caa 3451 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
b2097003
AL		 3452 if (smp_cpus > machine->max_cpus) {
3453 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3454 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3455 machine->max_cpus);
3456 exit(1);
3457 }
3458
998bbd74 3459 qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
d8bcbabf 3460 qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
998bbd74 3461
986c5f78
GH		 3462 if (machine->no_serial) {
3463 default_serial = 0;
3464 }
3465 if (machine->no_parallel) {
3466 default_parallel = 0;
3467 }
3468 if (!machine->use_virtcon) {
3469 default_virtcon = 0;
3470 }
3471 if (machine->no_vga) {
3472 default_vga = 0;
3473 }
ac33f8fa
GH		 3474 if (machine->no_floppy) {
3475 default_floppy = 0;
3476 }
3477 if (machine->no_cdrom) {
3478 default_cdrom = 0;
3479 }
3480 if (machine->no_sdcard) {
3481 default_sdcard = 0;
3482 }
986c5f78 3483
993fbfdb 3484 if (display_type == DT_NOGRAPHIC) {
6a5e8b0e
GH		 3485 if (default_parallel)
3486 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH		 3487 if (default_serial && default_monitor) {
3488 add_device_config(DEV_SERIAL, "mon:stdio");
986c5f78
GH		 3489 } else if (default_virtcon && default_monitor) {
3490 add_device_config(DEV_VIRTCON, "mon:stdio");
e1c09175
GH		 3491 } else {
3492 if (default_serial)
3493 add_device_config(DEV_SERIAL, "stdio");
986c5f78
GH		 3494 if (default_virtcon)
3495 add_device_config(DEV_VIRTCON, "stdio");
e1c09175 3496 if (default_monitor)
6ca5582d 3497 monitor_parse("stdio", "readline");
e1c09175 3498 }
998bbd74
GH		 3499 } else {
3500 if (default_serial)
3501 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH		 3502 if (default_parallel)
3503 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 3504 if (default_monitor)
6ca5582d 3505 monitor_parse("vc:80Cx24C", "readline");
38536da1
AG		 3506 if (default_virtcon)
3507 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
bc0129d9 3508 }
64465297
GH		 3509 if (default_vga)
3510 vga_interface_type = VGA_CIRRUS;
bc0129d9 3511
1a688d3b
GH		 3512 if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
3513 exit(1);
74db920c
GS		 3514#ifdef CONFIG_LINUX
3515 if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
3516 exit(1);
3517 }
3518#endif
1a688d3b 3519
71e3ceb8 3520#ifndef _WIN32
71e3ceb8
TS		 3521 if (daemonize) {
3522 pid_t pid;
3523
3524 if (pipe(fds) == -1)
3525 exit(1);
3526
3527 pid = fork();
3528 if (pid > 0) {
3529 uint8_t status;
3530 ssize_t len;
3531
3532 close(fds[1]);
3533
3534 again:
93815bc2
TS		 3535 len = read(fds[0], &status, 1);
3536 if (len == -1 && (errno == EINTR))
3537 goto again;
3538
3539 if (len != 1)
3540 exit(1);
3541 else if (status == 1) {
850810d0 3542 fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
93815bc2
TS		 3543 exit(1);
3544 } else
3545 exit(0);
71e3ceb8 3546 } else if (pid < 0)
93815bc2 3547 exit(1);
71e3ceb8 3548
40ff6d7e
KW		 3549 close(fds[0]);
3550 qemu_set_cloexec(fds[1]);
3551
71e3ceb8
TS		 3552 setsid();
3553
3554 pid = fork();
3555 if (pid > 0)
3556 exit(0);
3557 else if (pid < 0)
3558 exit(1);
3559
3560 umask(027);
71e3ceb8
TS		 3561
3562 signal(SIGTSTP, SIG_IGN);
3563 signal(SIGTTOU, SIG_IGN);
3564 signal(SIGTTIN, SIG_IGN);
3565 }
099fe236 3566#endif
71e3ceb8 3567
aa26bb2d 3568 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
099fe236 3569#ifndef _WIN32
93815bc2
TS		 3570 if (daemonize) {
3571 uint8_t status = 1;
dc330e28
KS		 3572 if (write(fds[1], &status, 1) != 1) {
3573 perror("daemonize. Writing to pipe\n");
3574 }
93815bc2 3575 } else
099fe236 3576#endif
850810d0 3577 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
93815bc2
TS		 3578 exit(1);
3579 }
3580
98c8573e
PB		 3581 if (kvm_allowed) {
3582 int ret = kvm_init(smp_cpus);
214910a7 3583 if (ret < 0) {
98c8573e
PB		 3584 if (!kvm_available()) {
3585 printf("KVM not supported for this target\n");
3586 } else {
3587 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
3588 }
214910a7
MT		 3589 exit(1);
3590 }
3591 }
3592
3fcf7b6b
AL		 3593 if (qemu_init_main_loop()) {
3594 fprintf(stderr, "qemu_init_main_loop failed\n");
3595 exit(1);
3596 }
a20dd508 3597 linux_boot = (kernel_filename != NULL);
6c41b272 3598
f8d39c01
TS		 3599 if (!linux_boot && *kernel_cmdline != '\0') {
3600 fprintf(stderr, "-append only allowed with -kernel option\n");
3601 exit(1);
3602 }
3603
3604 if (!linux_boot && initrd_filename != NULL) {
3605 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3606 exit(1);
3607 }
3608
bf65f53f
FN		 3609#ifndef _WIN32
3610 /* Win32 doesn't support line-buffering and requires size >= 2 */
b118d61e 3611 setvbuf(stdout, NULL, _IOLBF, 0);
bf65f53f 3612#endif
3b46e624 3613
7183b4b4
AL		 3614 if (init_timer_alarm() < 0) {
3615 fprintf(stderr, "could not initialize alarm timer\n");
3616 exit(1);
3617 }
4e3de9e9 3618 configure_icount(icount_option);
634fce96 3619
fd1dff4b 3620 socket_init();
fd1dff4b 3621
dc1c9fe8
MM		 3622 if (net_init_clients() < 0) {
3623 exit(1);
702c651c 3624 }
f1510b2c 3625
dc72ac14 3626 /* init the bluetooth world */
bd3c948d
GH		 3627 if (foreach_device_config(DEV_BT, bt_parse))
3628 exit(1);
dc72ac14 3629
0824d6fc 3630 /* init the memory */
94a6b54f
PB		 3631 if (ram_size == 0)
3632 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
9ae02555 3633
26a5f13b
FB		 3634 /* init the dynamic translator */
3635 cpu_exec_init_all(tb_size * 1024 * 1024);
3636
eb852011 3637 bdrv_init_with_whitelist();
c4b1fcc0 3638
c163b5ca 3639 blk_mig_init();
3640
ac33f8fa 3641 if (default_cdrom) {
aa40fc9c
GH		 3642 /* we always create the cdrom drive, even if no disk is there */
3643 drive_add(NULL, CDROM_ALIAS);
ac33f8fa 3644 }
c4b1fcc0 3645
ac33f8fa 3646 if (default_floppy) {
aa40fc9c
GH		 3647 /* we always create at least one floppy */
3648 drive_add(NULL, FD_ALIAS, 0);
ac33f8fa 3649 }
86f55663 3650
ac33f8fa 3651 if (default_sdcard) {
aa40fc9c
GH		 3652 /* we always create one sd slot, even if no card is in it */
3653 drive_add(NULL, SD_ALIAS);
3654 }
9d413d1d 3655
e4bcb14c 3656 /* open the virtual block devices */
9dfd7c7a 3657 if (snapshot)
7282a033
GH		 3658 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
3659 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
9dfd7c7a 3660 exit(1);
3e3d5815 3661
c163b5ca 3662 register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL,
3663 ram_load, NULL);
8a7ddc38 3664
268a362c
AL		 3665 if (nb_numa_nodes > 0) {
3666 int i;
3667
3668 if (nb_numa_nodes > smp_cpus) {
3669 nb_numa_nodes = smp_cpus;
3670 }
3671
3672 /* If no memory size if given for any node, assume the default case
3673 * and distribute the available memory equally across all nodes
3674 */
3675 for (i = 0; i < nb_numa_nodes; i++) {
3676 if (node_mem[i] != 0)
3677 break;
3678 }
3679 if (i == nb_numa_nodes) {
3680 uint64_t usedmem = 0;
3681
3682 /* On Linux, the each node's border has to be 8MB aligned,
3683 * the final node gets the rest.
3684 */
3685 for (i = 0; i < nb_numa_nodes - 1; i++) {
3686 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3687 usedmem += node_mem[i];
3688 }
3689 node_mem[i] = ram_size - usedmem;
3690 }
3691
3692 for (i = 0; i < nb_numa_nodes; i++) {
3693 if (node_cpumask[i] != 0)
3694 break;
3695 }
3696 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3697 * must cope with this anyway, because there are BIOSes out there in
3698 * real machines which also use this scheme.
3699 */
3700 if (i == nb_numa_nodes) {
3701 for (i = 0; i < smp_cpus; i++) {
3702 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3703 }
3704 }
3705 }
3706
157b9319
JK		 3707 if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
3708 exit(1);
3709 }
3710
998bbd74
GH		 3711 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3712 exit(1);
6a5e8b0e
GH		 3713 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3714 exit(1);
aee1b935
GH		 3715 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3716 exit(1);
c9f398e5
PA		 3717 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3718 exit(1);
2796dae0 3719
aae9460e
PB		 3720 module_call_init(MODULE_INIT_DEVICE);
3721
ff952ba2
MA		 3722 if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
3723 exit(0);
3724
09aaa160
MA		 3725 if (watchdog) {
3726 i = select_watchdog(watchdog);
3727 if (i > 0)
3728 exit (i == 1 ? 1 : 0);
3729 }
3730
b6b61144 3731 if (machine->compat_props) {
458fb679 3732 qdev_prop_register_global_list(machine->compat_props);
b6b61144 3733 }
d0fef6fb
GH		 3734 qemu_add_globals();
3735
fbe1b595 3736 machine->init(ram_size, boot_devices,
3023f332
AL		 3737 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3738
ea375f9a 3739 cpu_synchronize_all_post_init();
268a362c 3740
67b3b71d
JQ		 3741#ifndef _WIN32
3742 /* must be after terminal init, SDL library changes signal handlers */
3743 sighandler_setup();
3744#endif
3745
87d0a28e 3746 set_numa_modes();
268a362c 3747
6f338c34
AL		 3748 current_machine = machine;
3749
3023f332
AL		 3750 /* init USB devices */
3751 if (usb_enabled) {
0752706d
MA		 3752 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3753 exit(1);
3023f332
AL		 3754 }
3755
bd3c948d 3756 /* init generic devices */
f31d07d1 3757 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
bd3c948d
GH		 3758 exit(1);
3759
668680f7
MA		 3760 net_check_clients();
3761
3023f332 3762 /* just use the first displaystate for the moment */
b473df6e 3763 ds = get_displaystate();
993fbfdb
AL		 3764
3765 if (display_type == DT_DEFAULT) {
3766#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3767 display_type = DT_SDL;
3768#else
3769 display_type = DT_VNC;
3770 vnc_display = "localhost:0,to=99";
3771 show_vnc_port = 1;
3772#endif
3773 }
3774
3775
3776 switch (display_type) {
3777 case DT_NOGRAPHIC:
3778 break;
4d3b6f6e 3779#if defined(CONFIG_CURSES)
993fbfdb
AL		 3780 case DT_CURSES:
3781 curses_display_init(ds, full_screen);
3782 break;
4d3b6f6e 3783#endif
5b0753e0 3784#if defined(CONFIG_SDL)
993fbfdb
AL		 3785 case DT_SDL:
3786 sdl_display_init(ds, full_screen, no_frame);
3787 break;
5b0753e0 3788#elif defined(CONFIG_COCOA)
993fbfdb
AL		 3789 case DT_SDL:
3790 cocoa_display_init(ds, full_screen);
3791 break;
313aa567 3792#endif
993fbfdb
AL		 3793 case DT_VNC:
3794 vnc_display_init(ds);
3795 if (vnc_display_open(ds, vnc_display) < 0)
3796 exit(1);
f92f8afe 3797
993fbfdb
AL		 3798 if (show_vnc_port) {
3799 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
f92f8afe 3800 }
993fbfdb
AL		 3801 break;
3802 default:
3803 break;
313aa567 3804 }
7d957bd8 3805 dpy_resize(ds);
5b08fc10 3806
3023f332
AL		 3807 dcl = ds->listeners;
3808 while (dcl != NULL) {
3809 if (dcl->dpy_refresh != NULL) {
3810 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3811 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
20d8a3ed 3812 }
3023f332 3813 dcl = dcl->next;
20d8a3ed 3814 }
3023f332 3815
993fbfdb 3816 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
9043b62d
BS		 3817 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3818 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3819 }
3820
b473df6e 3821 text_consoles_set_display(ds);
2796dae0 3822
59030a8c
AL		 3823 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3824 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3825 gdbstub_dev);
3826 exit(1);
45669e00 3827 }
45669e00 3828
3418bd25
GH		 3829 qdev_machine_creation_done();
3830
15ff7705
GH		 3831 if (rom_load_all() != 0) {
3832 fprintf(stderr, "rom loading failed\n");
3833 exit(1);
3834 }
45a50b16 3835
504c2948 3836 qemu_system_reset();
05f2401e 3837 if (loadvm) {
03cd4655 3838 if (load_vmstate(loadvm) < 0) {
05f2401e
JQ		 3839 autostart = 0;
3840 }
3841 }
d63d307f 3842
2bb8c10c 3843 if (incoming) {
5bb7910a 3844 qemu_start_incoming_migration(incoming);
6b99dadc 3845 } else if (autostart) {
c0f4ce77 3846 vm_start();
6b99dadc 3847 }
ffd843bc 3848
b9e82a59 3849#ifndef _WIN32
71e3ceb8
TS		 3850 if (daemonize) {
3851 uint8_t status = 0;
3852 ssize_t len;
71e3ceb8
TS		 3853
3854 again1:
3855 len = write(fds[1], &status, 1);
3856 if (len == -1 && (errno == EINTR))
3857 goto again1;
3858
3859 if (len != 1)
3860 exit(1);
3861
dc330e28
KS		 3862 if (chdir("/")) {
3863 perror("not able to chdir to /");
3864 exit(1);
3865 }
40ff6d7e 3866 TFR(fd = qemu_open("/dev/null", O_RDWR));
71e3ceb8
TS		 3867 if (fd == -1)
3868 exit(1);
0858532e 3869 }
71e3ceb8 3870
0858532e
AL		 3871 if (run_as) {
3872 pwd = getpwnam(run_as);
3873 if (!pwd) {
3874 fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
3875 exit(1);
3876 }
3877 }
3878
3879 if (chroot_dir) {
3880 if (chroot(chroot_dir) < 0) {
3881 fprintf(stderr, "chroot failed\n");
3882 exit(1);
3883 }
dc330e28
KS		 3884 if (chdir("/")) {
3885 perror("not able to chdir to /");
3886 exit(1);
3887 }
0858532e
AL		 3888 }
3889
3890 if (run_as) {
3891 if (setgid(pwd->pw_gid) < 0) {
3892 fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
3893 exit(1);
3894 }
3895 if (setuid(pwd->pw_uid) < 0) {
3896 fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
3897 exit(1);
3898 }
3899 if (setuid(0) != -1) {
3900 fprintf(stderr, "Dropping privileges failed\n");
3901 exit(1);
3902 }
3903 }
0858532e
AL		 3904
3905 if (daemonize) {
3906 dup2(fd, 0);
3907 dup2(fd, 1);
3908 dup2(fd, 2);
71e3ceb8 3909
0858532e 3910 close(fd);
71e3ceb8 3911 }
b9e82a59 3912#endif
71e3ceb8 3913
8a7ddc38 3914 main_loop();
40c3bac3 3915 quit_timers();
63a01ef8 3916 net_cleanup();
b46a8906 3917
0824d6fc
FB		 3918 return 0;
3919}
Qemu copy for testing