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Move main signal handler setup to os specificfiles.
[qemu.git] / vl.c
CommitLineData
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 72#include <netinet/arp.h>
d5d10bc3
TS		 73#include <netinet/in_systm.h>
74#include <netinet/ip.h>
75#include <netinet/ip_icmp.h> // must come after ip.h
76#include <netinet/udp.h>
77#include <netinet/tcp.h>
78#include <net/if.h>
79#include <syslog.h>
80#include <stropts.h>
8d32cf0e
BS		 81/* See MySQL bug #7156 (http://bugs.mysql.com/bug.php?id=7156) for
82 discussion about Solaris header problems */
83extern int madvise(caddr_t, size_t, int);
67b915a5 84#endif
7d3505c5 85#endif
ec530c81 86#endif
67b915a5 87
9892fbfb
BS		 88#if defined(__OpenBSD__)
89#include <util.h>
90#endif
91
8a16d273
TS		 92#if defined(CONFIG_VDE)
93#include <libvdeplug.h>
94#endif
95
67b915a5 96#ifdef _WIN32
49dc768d 97#include <windows.h>
67b915a5
FB		 98#endif
99
73332e5c 100#ifdef CONFIG_SDL
59a36a2f 101#if defined(__APPLE__) || defined(main)
6693665a 102#include <SDL.h>
880fec5d 103int qemu_main(int argc, char **argv, char **envp);
104int main(int argc, char **argv)
105{
59a36a2f 106 return qemu_main(argc, argv, NULL);
880fec5d 107}
108#undef main
109#define main qemu_main
96bcd4f8 110#endif
73332e5c 111#endif /* CONFIG_SDL */
0824d6fc 112
5b0753e0
FB		 113#ifdef CONFIG_COCOA
114#undef main
115#define main qemu_main
116#endif /* CONFIG_COCOA */
117
511d2b14
BS		 118#include "hw/hw.h"
119#include "hw/boards.h"
120#include "hw/usb.h"
121#include "hw/pcmcia.h"
122#include "hw/pc.h"
511d2b14
BS		 123#include "hw/isa.h"
124#include "hw/baum.h"
125#include "hw/bt.h"
9dd986cc 126#include "hw/watchdog.h"
b6f6e3d3 127#include "hw/smbios.h"
e37630ca 128#include "hw/xen.h"
bd3c948d 129#include "hw/qdev.h"
45a50b16 130#include "hw/loader.h"
5ef4efa4 131#include "bt-host.h"
511d2b14 132#include "net.h"
68ac40d2 133#include "net/slirp.h"
511d2b14
BS		 134#include "monitor.h"
135#include "console.h"
136#include "sysemu.h"
137#include "gdbstub.h"
138#include "qemu-timer.h"
139#include "qemu-char.h"
140#include "cache-utils.h"
141#include "block.h"
c163b5ca 142#include "block_int.h"
143#include "block-migration.h"
a718acec 144#include "dma.h"
511d2b14
BS		 145#include "audio/audio.h"
146#include "migration.h"
147#include "kvm.h"
d3f24367 148#include "qemu-option.h"
7282a033 149#include "qemu-config.h"
e78c48ec 150#include "qemu-objects.h"
74db920c
GS		 151#ifdef CONFIG_LINUX
152#include "fsdev/qemu-fsdev.h"
153#endif
511d2b14 154
0824d6fc 155#include "disas.h"
fc01f7e7 156
511d2b14
BS		 157#include "qemu_socket.h"
158
d918f23e 159#include "slirp/libslirp.h"
511d2b14 160
72cf2d4f 161#include "qemu-queue.h"
296af7c9 162#include "cpus.h"
ad96090a 163#include "arch_init.h"
72cf2d4f 164
9dc63a1e
BS		 165//#define DEBUG_NET
166//#define DEBUG_SLIRP
330d0414 167
1bfe856e 168#define DEFAULT_RAM_SIZE 128
313aa567 169
98b19252
AS		 170#define MAX_VIRTIO_CONSOLES 1
171
5cea8590 172static const char *data_dir;
1192dad8 173const char *bios_name = NULL;
e4bcb14c 174/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
faea38e7 175 to store the VM snapshots */
72cf2d4f
BS		 176struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
177struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts);
cb5a7aa8 178enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
993fbfdb 179DisplayType display_type = DT_DEFAULT;
3d11d0eb 180const char* keyboard_layout = NULL;
c227f099 181ram_addr_t ram_size;
c902760f
MT		 182const char *mem_path = NULL;
183#ifdef MAP_POPULATE
184int mem_prealloc = 0; /* force preallocation of physical target memory */
185#endif
c4b1fcc0 186int nb_nics;
7c9d8e07 187NICInfo nd_table[MAX_NICS];
8a7ddc38 188int vm_running;
d399f677 189int autostart;
f6503059
AZ		 190static int rtc_utc = 1;
191static int rtc_date_offset = -1; /* -1 means no change */
6875204c 192QEMUClock *rtc_clock;
64465297 193int vga_interface_type = VGA_NONE;
dbed7e40 194static int full_screen = 0;
634a21f6 195#ifdef CONFIG_SDL
dbed7e40 196static int no_frame = 0;
634a21f6 197#endif
667accab 198int no_quit = 0;
8d11df9e 199CharDriverState *serial_hds[MAX_SERIAL_PORTS];
6508fe59 200CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
9ede2fde 201CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
a09db21f 202int win2k_install_hack = 0;
73822ec8 203int rtc_td_hack = 0;
bb36d470 204int usb_enabled = 0;
1b530a6d 205int singlestep = 0;
6a00d601 206int smp_cpus = 1;
6be68d7e 207int max_cpus = 0;
dc6b1c09
AP		 208int smp_cores = 1;
209int smp_threads = 1;
73fc9742 210const char *vnc_display;
6515b203 211int acpi_enabled = 1;
16b29ae1 212int no_hpet = 0;
52ca8d6a 213int fd_bootchk = 1;
d1beab82 214int no_reboot = 0;
b2f76161 215int no_shutdown = 0;
9467cd46 216int cursor_hide = 1;
a171fe39 217int graphic_rotate = 0;
6b35e7bf 218uint8_t irq0override = 1;
b9e82a59 219#ifndef _WIN32
71e3ceb8 220int daemonize = 0;
b9e82a59 221#endif
09aaa160 222const char *watchdog;
9ae02555
TS		 223const char *option_rom[MAX_OPTION_ROMS];
224int nb_option_roms;
8e71621f 225int semihosting_enabled = 0;
2b8f2d41 226int old_param = 0;
c35734b2 227const char *qemu_name;
3780e197 228int alt_grab = 0;
0ca9f8a4 229int ctrl_grab = 0;
66508601
BS		 230unsigned int nb_prom_envs = 0;
231const char *prom_envs[MAX_PROM_ENVS];
95387491 232int boot_menu;
0824d6fc 233
268a362c
AL		 234int nb_numa_nodes;
235uint64_t node_mem[MAX_NODES];
236uint64_t node_cpumask[MAX_NODES];
237
9043b62d 238static QEMUTimer *nographic_timer;
ee5605e5 239
8fcb1b90
BS		 240uint8_t qemu_uuid[16];
241
76e30d0f
JK		 242static QEMUBootSetHandler *boot_set_handler;
243static void *boot_set_opaque;
244
d745bef8
BS		 245int kvm_allowed = 0;
246uint32_t xen_domid;
247enum xen_mode xen_mode = XEN_EMULATE;
248
998bbd74 249static int default_serial = 1;
6a5e8b0e 250static int default_parallel = 1;
986c5f78 251static int default_virtcon = 1;
abdeed06 252static int default_monitor = 1;
64465297 253static int default_vga = 1;
ac33f8fa
GH		 254static int default_floppy = 1;
255static int default_cdrom = 1;
256static int default_sdcard = 1;
998bbd74
GH		 257
258static struct {
259 const char *driver;
260 int *flag;
261} default_list[] = {
6a5e8b0e
GH		 262 { .driver = "isa-serial", .flag = &default_serial },
263 { .driver = "isa-parallel", .flag = &default_parallel },
d8bcbabf
GH		 264 { .driver = "isa-fdc", .flag = &default_floppy },
265 { .driver = "ide-drive", .flag = &default_cdrom },
392ecf54
AS		 266 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
267 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
268 { .driver = "virtio-serial", .flag = &default_virtcon },
64465297 269 { .driver = "VGA", .flag = &default_vga },
69fd02ee
GH		 270 { .driver = "cirrus-vga", .flag = &default_vga },
271 { .driver = "vmware-svga", .flag = &default_vga },
998bbd74
GH		 272};
273
274static int default_driver_check(QemuOpts *opts, void *opaque)
275{
276 const char *driver = qemu_opt_get(opts, "driver");
277 int i;
278
279 if (!driver)
280 return 0;
281 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
282 if (strcmp(default_list[i].driver, driver) != 0)
283 continue;
284 *(default_list[i].flag) = 0;
285 }
286 return 0;
287}
288
0824d6fc 289/***********************************************************/
0824d6fc 290
1889465a
AK		 291static void set_proc_name(const char *s)
292{
6ca8d0fd 293#if defined(__linux__) && defined(PR_SET_NAME)
1889465a
AK		 294 char name[16];
295 if (!s)
296 return;
297 name[sizeof(name) - 1] = 0;
298 strncpy(name, s, sizeof(name));
299 /* Could rewrite argv[0] too, but that's a bit more complicated.
300 This simple way is enough for `top'. */
301 prctl(PR_SET_NAME, name);
302#endif
303}
df751fa8 304
8f0056b7
PB		 305/***********************************************************/
306/* real time host monotonic timer */
09b26c5e 307
1dce7c3c
FB		 308/* compute with 96 bit intermediate result: (a*b)/c */
309uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
0824d6fc 310{
1dce7c3c
FB		 311 union {
312 uint64_t ll;
313 struct {
e2542fe2 314#ifdef HOST_WORDS_BIGENDIAN
1dce7c3c
FB		 315 uint32_t high, low;
316#else
317 uint32_t low, high;
3b46e624 318#endif
1dce7c3c
FB		 319 } l;
320 } u, res;
321 uint64_t rl, rh;
0824d6fc 322
1dce7c3c
FB		 323 u.ll = a;
324 rl = (uint64_t)u.l.low * (uint64_t)b;
325 rh = (uint64_t)u.l.high * (uint64_t)b;
326 rh += (rl >> 32);
327 res.l.high = rh / c;
328 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
329 return res.ll;
34865134
FB		 330}
331
f6503059
AZ		 332/***********************************************************/
333/* host time/date access */
334void qemu_get_timedate(struct tm *tm, int offset)
335{
336 time_t ti;
337 struct tm *ret;
338
339 time(&ti);
340 ti += offset;
341 if (rtc_date_offset == -1) {
342 if (rtc_utc)
343 ret = gmtime(&ti);
344 else
345 ret = localtime(&ti);
346 } else {
347 ti -= rtc_date_offset;
348 ret = gmtime(&ti);
349 }
350
351 memcpy(tm, ret, sizeof(struct tm));
352}
353
354int qemu_timedate_diff(struct tm *tm)
355{
356 time_t seconds;
357
358 if (rtc_date_offset == -1)
359 if (rtc_utc)
360 seconds = mktimegm(tm);
361 else
362 seconds = mktime(tm);
363 else
364 seconds = mktimegm(tm) + rtc_date_offset;
365
366 return seconds - time(NULL);
367}
368
80cd3478
LC		 369void rtc_change_mon_event(struct tm *tm)
370{
371 QObject *data;
372
373 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
374 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
375 qobject_decref(data);
376}
377
1ed2fc1f
JK		 378static void configure_rtc_date_offset(const char *startdate, int legacy)
379{
380 time_t rtc_start_date;
381 struct tm tm;
382
383 if (!strcmp(startdate, "now") && legacy) {
384 rtc_date_offset = -1;
385 } else {
386 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
387 &tm.tm_year,
388 &tm.tm_mon,
389 &tm.tm_mday,
390 &tm.tm_hour,
391 &tm.tm_min,
392 &tm.tm_sec) == 6) {
393 /* OK */
394 } else if (sscanf(startdate, "%d-%d-%d",
395 &tm.tm_year,
396 &tm.tm_mon,
397 &tm.tm_mday) == 3) {
398 tm.tm_hour = 0;
399 tm.tm_min = 0;
400 tm.tm_sec = 0;
401 } else {
402 goto date_fail;
403 }
404 tm.tm_year -= 1900;
405 tm.tm_mon--;
406 rtc_start_date = mktimegm(&tm);
407 if (rtc_start_date == -1) {
408 date_fail:
409 fprintf(stderr, "Invalid date format. Valid formats are:\n"
410 "'2006-06-17T16:01:21' or '2006-06-17'\n");
411 exit(1);
412 }
413 rtc_date_offset = time(NULL) - rtc_start_date;
414 }
415}
416
417static void configure_rtc(QemuOpts *opts)
418{
419 const char *value;
420
421 value = qemu_opt_get(opts, "base");
422 if (value) {
423 if (!strcmp(value, "utc")) {
424 rtc_utc = 1;
425 } else if (!strcmp(value, "localtime")) {
426 rtc_utc = 0;
427 } else {
428 configure_rtc_date_offset(value, 0);
429 }
430 }
6875204c
JK		 431 value = qemu_opt_get(opts, "clock");
432 if (value) {
433 if (!strcmp(value, "host")) {
434 rtc_clock = host_clock;
435 } else if (!strcmp(value, "vm")) {
436 rtc_clock = vm_clock;
437 } else {
438 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
439 exit(1);
440 }
441 }
1ed2fc1f
JK		 442 value = qemu_opt_get(opts, "driftfix");
443 if (value) {
7e4c0336 444 if (!strcmp(value, "slew")) {
1ed2fc1f 445 rtc_td_hack = 1;
7e4c0336 446 } else if (!strcmp(value, "none")) {
1ed2fc1f
JK		 447 rtc_td_hack = 0;
448 } else {
449 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
450 exit(1);
451 }
452 }
1ed2fc1f
JK		 453}
454
1ae26a18
AZ		 455/***********************************************************/
456/* Bluetooth support */
457static int nb_hcis;
458static int cur_hci;
459static struct HCIInfo *hci_table[MAX_NICS];
dc72ac14 460
1ae26a18
AZ		 461static struct bt_vlan_s {
462 struct bt_scatternet_s net;
463 int id;
464 struct bt_vlan_s *next;
465} *first_bt_vlan;
466
467/* find or alloc a new bluetooth "VLAN" */
674bb261 468static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1ae26a18
AZ		 469{
470 struct bt_vlan_s **pvlan, *vlan;
471 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
472 if (vlan->id == id)
473 return &vlan->net;
474 }
475 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
476 vlan->id = id;
477 pvlan = &first_bt_vlan;
478 while (*pvlan != NULL)
479 pvlan = &(*pvlan)->next;
480 *pvlan = vlan;
481 return &vlan->net;
482}
483
484static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
485{
486}
487
488static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
489{
490 return -ENOTSUP;
491}
492
493static struct HCIInfo null_hci = {
494 .cmd_send = null_hci_send,
495 .sco_send = null_hci_send,
496 .acl_send = null_hci_send,
497 .bdaddr_set = null_hci_addr_set,
498};
499
500struct HCIInfo *qemu_next_hci(void)
501{
502 if (cur_hci == nb_hcis)
503 return &null_hci;
504
505 return hci_table[cur_hci++];
506}
507
dc72ac14
AZ		 508static struct HCIInfo *hci_init(const char *str)
509{
510 char *endp;
511 struct bt_scatternet_s *vlan = 0;
512
513 if (!strcmp(str, "null"))
514 /* null */
515 return &null_hci;
516 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
517 /* host[:hciN] */
518 return bt_host_hci(str[4] ? str + 5 : "hci0");
519 else if (!strncmp(str, "hci", 3)) {
520 /* hci[,vlan=n] */
521 if (str[3]) {
522 if (!strncmp(str + 3, ",vlan=", 6)) {
523 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
524 if (*endp)
525 vlan = 0;
526 }
527 } else
528 vlan = qemu_find_bt_vlan(0);
529 if (vlan)
530 return bt_new_hci(vlan);
531 }
532
533 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
534
535 return 0;
536}
537
538static int bt_hci_parse(const char *str)
539{
540 struct HCIInfo *hci;
c227f099 541 bdaddr_t bdaddr;
dc72ac14
AZ		 542
543 if (nb_hcis >= MAX_NICS) {
544 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
545 return -1;
546 }
547
548 hci = hci_init(str);
549 if (!hci)
550 return -1;
551
552 bdaddr.b[0] = 0x52;
553 bdaddr.b[1] = 0x54;
554 bdaddr.b[2] = 0x00;
555 bdaddr.b[3] = 0x12;
556 bdaddr.b[4] = 0x34;
557 bdaddr.b[5] = 0x56 + nb_hcis;
558 hci->bdaddr_set(hci, bdaddr.b);
559
560 hci_table[nb_hcis++] = hci;
561
562 return 0;
563}
564
565static void bt_vhci_add(int vlan_id)
566{
567 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
568
569 if (!vlan->slave)
570 fprintf(stderr, "qemu: warning: adding a VHCI to "
571 "an empty scatternet %i\n", vlan_id);
572
573 bt_vhci_init(bt_new_hci(vlan));
574}
575
576static struct bt_device_s *bt_device_add(const char *opt)
577{
578 struct bt_scatternet_s *vlan;
579 int vlan_id = 0;
580 char *endp = strstr(opt, ",vlan=");
581 int len = (endp ? endp - opt : strlen(opt)) + 1;
582 char devname[10];
583
584 pstrcpy(devname, MIN(sizeof(devname), len), opt);
585
586 if (endp) {
587 vlan_id = strtol(endp + 6, &endp, 0);
588 if (*endp) {
589 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
590 return 0;
591 }
592 }
593
594 vlan = qemu_find_bt_vlan(vlan_id);
595
596 if (!vlan->slave)
597 fprintf(stderr, "qemu: warning: adding a slave device to "
598 "an empty scatternet %i\n", vlan_id);
599
600 if (!strcmp(devname, "keyboard"))
601 return bt_keyboard_init(vlan);
602
603 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
604 return 0;
605}
606
607static int bt_parse(const char *opt)
608{
609 const char *endp, *p;
610 int vlan;
611
612 if (strstart(opt, "hci", &endp)) {
613 if (!*endp || *endp == ',') {
614 if (*endp)
615 if (!strstart(endp, ",vlan=", 0))
616 opt = endp + 1;
617
618 return bt_hci_parse(opt);
619 }
620 } else if (strstart(opt, "vhci", &endp)) {
621 if (!*endp || *endp == ',') {
622 if (*endp) {
623 if (strstart(endp, ",vlan=", &p)) {
624 vlan = strtol(p, (char **) &endp, 0);
625 if (*endp) {
626 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
627 return 1;
628 }
629 } else {
630 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
631 return 1;
632 }
633 } else
634 vlan = 0;
635
636 bt_vhci_add(vlan);
637 return 0;
638 }
639 } else if (strstart(opt, "device:", &endp))
640 return !bt_device_add(endp);
641
642 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
643 return 1;
644}
645
1ae26a18
AZ		 646/***********************************************************/
647/* QEMU Block devices */
648
609497ab 649#define HD_ALIAS "index=%d,media=disk"
e4bcb14c 650#define CDROM_ALIAS "index=2,media=cdrom"
e4bcb14c 651#define FD_ALIAS "index=%d,if=floppy"
609497ab
AZ		 652#define PFLASH_ALIAS "if=pflash"
653#define MTD_ALIAS "if=mtd"
9d413d1d 654#define SD_ALIAS "index=0,if=sd"
e4bcb14c 655
9dfd7c7a 656QemuOpts *drive_add(const char *file, const char *fmt, ...)
e4bcb14c
TS		 657{
658 va_list ap;
9dfd7c7a
GH		 659 char optstr[1024];
660 QemuOpts *opts;
e4bcb14c 661
e4bcb14c 662 va_start(ap, fmt);
9dfd7c7a 663 vsnprintf(optstr, sizeof(optstr), fmt, ap);
e4bcb14c
TS		 664 va_end(ap);
665
8212c64f 666 opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
9dfd7c7a 667 if (!opts) {
9dfd7c7a
GH		 668 return NULL;
669 }
670 if (file)
671 qemu_opt_set(opts, "file", file);
672 return opts;
b01b1111
AL		 673}
674
751c6a17 675DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
e4bcb14c 676{
751c6a17 677 DriveInfo *dinfo;
e4bcb14c
TS		 678
679 /* seek interface, bus and unit */
680
72cf2d4f 681 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH		 682 if (dinfo->type == type &&
683 dinfo->bus == bus &&
684 dinfo->unit == unit)
685 return dinfo;
686 }
e4bcb14c 687
751c6a17 688 return NULL;
e4bcb14c
TS		 689}
690
2e810b36 691DriveInfo *drive_get_by_id(const char *id)
1dae12e6
GH		 692{
693 DriveInfo *dinfo;
694
72cf2d4f 695 QTAILQ_FOREACH(dinfo, &drives, next) {
1dae12e6
GH		 696 if (strcmp(id, dinfo->id))
697 continue;
698 return dinfo;
699 }
700 return NULL;
701}
702
f60d39bc 703int drive_get_max_bus(BlockInterfaceType type)
e4bcb14c
TS		 704{
705 int max_bus;
751c6a17 706 DriveInfo *dinfo;
e4bcb14c
TS		 707
708 max_bus = -1;
72cf2d4f 709 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH		 710 if(dinfo->type == type &&
711 dinfo->bus > max_bus)
712 max_bus = dinfo->bus;
e4bcb14c
TS		 713 }
714 return max_bus;
715}
716
fa879c64
AL		 717const char *drive_get_serial(BlockDriverState *bdrv)
718{
751c6a17 719 DriveInfo *dinfo;
fa879c64 720
72cf2d4f 721 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH		 722 if (dinfo->bdrv == bdrv)
723 return dinfo->serial;
724 }
fa879c64
AL		 725
726 return "\0";
727}
728
f7850099
KW		 729BlockInterfaceErrorAction drive_get_on_error(
730 BlockDriverState *bdrv, int is_read)
428c5705 731{
751c6a17 732 DriveInfo *dinfo;
428c5705 733
72cf2d4f 734 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17 735 if (dinfo->bdrv == bdrv)
e9b2e818 736 return is_read ? dinfo->on_read_error : dinfo->on_write_error;
751c6a17 737 }
428c5705 738
e9b2e818 739 return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC;
428c5705
AL		 740}
741
a1620fac
AJ		 742static void bdrv_format_print(void *opaque, const char *name)
743{
744 fprintf(stderr, " %s", name);
745}
746
56a14938 747void drive_uninit(DriveInfo *dinfo)
b01b1111 748{
56a14938
GH		 749 qemu_opts_del(dinfo->opts);
750 bdrv_delete(dinfo->bdrv);
751 QTAILQ_REMOVE(&drives, dinfo, next);
752 qemu_free(dinfo);
b01b1111
AL		 753}
754
e9b2e818
KW		 755static int parse_block_error_action(const char *buf, int is_read)
756{
757 if (!strcmp(buf, "ignore")) {
758 return BLOCK_ERR_IGNORE;
759 } else if (!is_read && !strcmp(buf, "enospc")) {
760 return BLOCK_ERR_STOP_ENOSPC;
761 } else if (!strcmp(buf, "stop")) {
762 return BLOCK_ERR_STOP_ANY;
763 } else if (!strcmp(buf, "report")) {
764 return BLOCK_ERR_REPORT;
765 } else {
766 fprintf(stderr, "qemu: '%s' invalid %s error action\n",
767 buf, is_read ? "read" : "write");
768 return -1;
769 }
770}
771
9dfd7c7a 772DriveInfo *drive_init(QemuOpts *opts, void *opaque,
751c6a17 773 int *fatal_error)
e4bcb14c 774{
9dfd7c7a
GH		 775 const char *buf;
776 const char *file = NULL;
c8522bdf 777 char devname[128];
9dfd7c7a 778 const char *serial;
c8522bdf 779 const char *mediastr = "";
f60d39bc 780 BlockInterfaceType type;
e4bcb14c
TS		 781 enum { MEDIA_DISK, MEDIA_CDROM } media;
782 int bus_id, unit_id;
783 int cyls, heads, secs, translation;
1e72d3b7 784 BlockDriver *drv = NULL;
4d73cd3b 785 QEMUMachine *machine = opaque;
e4bcb14c
TS		 786 int max_devs;
787 int index;
59f2689d 788 int ro = 0;
763b6084 789 int bdrv_flags = 0;
e9b2e818 790 int on_read_error, on_write_error;
c2cc47a4 791 const char *devaddr;
751c6a17 792 DriveInfo *dinfo;
9dfd7c7a 793 int snapshot = 0;
e4bcb14c 794
9dfd7c7a 795 *fatal_error = 1;
e4bcb14c 796
e4bcb14c 797 translation = BIOS_ATA_TRANSLATION_AUTO;
e4bcb14c 798
4d007814 799 if (machine && machine->use_scsi) {
f60d39bc 800 type = IF_SCSI;
e4bcb14c 801 max_devs = MAX_SCSI_DEVS;
363a37d5 802 pstrcpy(devname, sizeof(devname), "scsi");
e4bcb14c 803 } else {
f60d39bc 804 type = IF_IDE;
e4bcb14c 805 max_devs = MAX_IDE_DEVS;
363a37d5 806 pstrcpy(devname, sizeof(devname), "ide");
e4bcb14c
TS		 807 }
808 media = MEDIA_DISK;
809
810 /* extract parameters */
9dfd7c7a
GH		 811 bus_id = qemu_opt_get_number(opts, "bus", 0);
812 unit_id = qemu_opt_get_number(opts, "unit", -1);
813 index = qemu_opt_get_number(opts, "index", -1);
e4bcb14c 814
9dfd7c7a
GH		 815 cyls = qemu_opt_get_number(opts, "cyls", 0);
816 heads = qemu_opt_get_number(opts, "heads", 0);
817 secs = qemu_opt_get_number(opts, "secs", 0);
e4bcb14c 818
9dfd7c7a 819 snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
59f2689d 820 ro = qemu_opt_get_bool(opts, "readonly", 0);
e4bcb14c 821
9dfd7c7a
GH		 822 file = qemu_opt_get(opts, "file");
823 serial = qemu_opt_get(opts, "serial");
824
825 if ((buf = qemu_opt_get(opts, "if")) != NULL) {
ae45d369 826 pstrcpy(devname, sizeof(devname), buf);
e4bcb14c 827 if (!strcmp(buf, "ide")) {
f60d39bc 828 type = IF_IDE;
e4bcb14c
TS		 829 max_devs = MAX_IDE_DEVS;
830 } else if (!strcmp(buf, "scsi")) {
f60d39bc 831 type = IF_SCSI;
e4bcb14c
TS		 832 max_devs = MAX_SCSI_DEVS;
833 } else if (!strcmp(buf, "floppy")) {
f60d39bc 834 type = IF_FLOPPY;
e4bcb14c
TS		 835 max_devs = 0;
836 } else if (!strcmp(buf, "pflash")) {
f60d39bc 837 type = IF_PFLASH;
e4bcb14c
TS		 838 max_devs = 0;
839 } else if (!strcmp(buf, "mtd")) {
f60d39bc 840 type = IF_MTD;
e4bcb14c
TS		 841 max_devs = 0;
842 } else if (!strcmp(buf, "sd")) {
f60d39bc 843 type = IF_SD;
e4bcb14c 844 max_devs = 0;
6e02c38d
AL		 845 } else if (!strcmp(buf, "virtio")) {
846 type = IF_VIRTIO;
847 max_devs = 0;
62d23efa
AL		 848 } else if (!strcmp(buf, "xen")) {
849 type = IF_XEN;
850 max_devs = 0;
a8659e90
GH		 851 } else if (!strcmp(buf, "none")) {
852 type = IF_NONE;
853 max_devs = 0;
62d23efa 854 } else {
9dfd7c7a 855 fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
751c6a17 856 return NULL;
e4bcb14c
TS		 857 }
858 }
859
e4bcb14c 860 if (cyls || heads || secs) {
5afe3f04 861 if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
9dfd7c7a 862 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
751c6a17 863 return NULL;
e4bcb14c 864 }
5afe3f04 865 if (heads < 1 || (type == IF_IDE && heads > 16)) {
9dfd7c7a 866 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
751c6a17 867 return NULL;
e4bcb14c 868 }
5afe3f04 869 if (secs < 1 || (type == IF_IDE && secs > 63)) {
9dfd7c7a 870 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
751c6a17 871 return NULL;
e4bcb14c
TS		 872 }
873 }
874
9dfd7c7a 875 if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
e4bcb14c
TS		 876 if (!cyls) {
877 fprintf(stderr,
878 "qemu: '%s' trans must be used with cyls,heads and secs\n",
9dfd7c7a 879 buf);
751c6a17 880 return NULL;
e4bcb14c
TS		 881 }
882 if (!strcmp(buf, "none"))
883 translation = BIOS_ATA_TRANSLATION_NONE;
884 else if (!strcmp(buf, "lba"))
885 translation = BIOS_ATA_TRANSLATION_LBA;
886 else if (!strcmp(buf, "auto"))
887 translation = BIOS_ATA_TRANSLATION_AUTO;
888 else {
9dfd7c7a 889 fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
751c6a17 890 return NULL;
e4bcb14c
TS		 891 }
892 }
893
9dfd7c7a 894 if ((buf = qemu_opt_get(opts, "media")) != NULL) {
e4bcb14c
TS		 895 if (!strcmp(buf, "disk")) {
896 media = MEDIA_DISK;
897 } else if (!strcmp(buf, "cdrom")) {
898 if (cyls || secs || heads) {
899 fprintf(stderr,
9dfd7c7a 900 "qemu: '%s' invalid physical CHS format\n", buf);
751c6a17 901 return NULL;
e4bcb14c
TS		 902 }
903 media = MEDIA_CDROM;
904 } else {
9dfd7c7a 905 fprintf(stderr, "qemu: '%s' invalid media\n", buf);
751c6a17 906 return NULL;
e4bcb14c
TS		 907 }
908 }
909
9dfd7c7a 910 if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
763b6084
CH		 911 if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
912 bdrv_flags |= BDRV_O_NOCACHE;
913 } else if (!strcmp(buf, "writeback")) {
914 bdrv_flags |= BDRV_O_CACHE_WB;
016f5cf6
AG		 915 } else if (!strcmp(buf, "unsafe")) {
916 bdrv_flags |= BDRV_O_CACHE_WB;
917 bdrv_flags |= BDRV_O_NO_FLUSH;
763b6084
CH		 918 } else if (!strcmp(buf, "writethrough")) {
919 /* this is the default */
920 } else {
33f00271 921 fprintf(stderr, "qemu: invalid cache option\n");
751c6a17 922 return NULL;
33f00271
AZ		 923 }
924 }
925
5c6c3a6c
CH		 926#ifdef CONFIG_LINUX_AIO
927 if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
763b6084
CH		 928 if (!strcmp(buf, "native")) {
929 bdrv_flags |= BDRV_O_NATIVE_AIO;
930 } else if (!strcmp(buf, "threads")) {
931 /* this is the default */
932 } else {
5c6c3a6c
CH		 933 fprintf(stderr, "qemu: invalid aio option\n");
934 return NULL;
935 }
936 }
937#endif
938
9dfd7c7a 939 if ((buf = qemu_opt_get(opts, "format")) != NULL) {
a1620fac
AJ		 940 if (strcmp(buf, "?") == 0) {
941 fprintf(stderr, "qemu: Supported formats:");
942 bdrv_iterate_format(bdrv_format_print, NULL);
943 fprintf(stderr, "\n");
751c6a17 944 return NULL;
a1620fac 945 }
eb852011 946 drv = bdrv_find_whitelisted_format(buf);
1e72d3b7
AJ		 947 if (!drv) {
948 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
751c6a17 949 return NULL;
1e72d3b7
AJ		 950 }
951 }
952
e9b2e818 953 on_write_error = BLOCK_ERR_STOP_ENOSPC;
9dfd7c7a 954 if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
dc33bb34 955 if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO && type != IF_NONE) {
ea8a5d7f 956 fprintf(stderr, "werror is no supported by this format\n");
751c6a17 957 return NULL;
428c5705 958 }
e9b2e818
KW		 959
960 on_write_error = parse_block_error_action(buf, 0);
961 if (on_write_error < 0) {
962 return NULL;
963 }
964 }
965
966 on_read_error = BLOCK_ERR_REPORT;
967 if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
dc33bb34 968 if (type != IF_IDE && type != IF_VIRTIO && type != IF_NONE) {
e9b2e818
KW		 969 fprintf(stderr, "rerror is no supported by this format\n");
970 return NULL;
971 }
972
973 on_read_error = parse_block_error_action(buf, 1);
974 if (on_read_error < 0) {
751c6a17 975 return NULL;
428c5705
AL		 976 }
977 }
978
9dfd7c7a 979 if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
c2cc47a4 980 if (type != IF_VIRTIO) {
9dfd7c7a 981 fprintf(stderr, "addr is not supported\n");
751c6a17 982 return NULL;
c2cc47a4 983 }
c2cc47a4
MA		 984 }
985
e4bcb14c
TS		 986 /* compute bus and unit according index */
987
988 if (index != -1) {
989 if (bus_id != 0 || unit_id != -1) {
990 fprintf(stderr,
9dfd7c7a 991 "qemu: index cannot be used with bus and unit\n");
751c6a17 992 return NULL;
e4bcb14c
TS		 993 }
994 if (max_devs == 0)
995 {
996 unit_id = index;
997 bus_id = 0;
998 } else {
999 unit_id = index % max_devs;
1000 bus_id = index / max_devs;
1001 }
1002 }
1003
1004 /* if user doesn't specify a unit_id,
1005 * try to find the first free
1006 */
1007
1008 if (unit_id == -1) {
1009 unit_id = 0;
751c6a17 1010 while (drive_get(type, bus_id, unit_id) != NULL) {
e4bcb14c
TS		 1011 unit_id++;
1012 if (max_devs && unit_id >= max_devs) {
1013 unit_id -= max_devs;
1014 bus_id++;
1015 }
1016 }
1017 }
1018
1019 /* check unit id */
1020
1021 if (max_devs && unit_id >= max_devs) {
9dfd7c7a
GH		 1022 fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
1023 unit_id, max_devs - 1);
751c6a17 1024 return NULL;
e4bcb14c
TS		 1025 }
1026
1027 /*
1028 * ignore multiple definitions
1029 */
1030
751c6a17
GH		 1031 if (drive_get(type, bus_id, unit_id) != NULL) {
1032 *fatal_error = 0;
1033 return NULL;
1034 }
e4bcb14c
TS		 1035
1036 /* init */
1037
751c6a17 1038 dinfo = qemu_mallocz(sizeof(*dinfo));
e23d9c4d 1039 if ((buf = qemu_opts_id(opts)) != NULL) {
9dfd7c7a
GH		 1040 dinfo->id = qemu_strdup(buf);
1041 } else {
1dae12e6 1042 /* no id supplied -> create one */
9dfd7c7a 1043 dinfo->id = qemu_mallocz(32);
1dae12e6
GH		 1044 if (type == IF_IDE || type == IF_SCSI)
1045 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
1046 if (max_devs)
9dfd7c7a 1047 snprintf(dinfo->id, 32, "%s%i%s%i",
1dae12e6
GH		 1048 devname, bus_id, mediastr, unit_id);
1049 else
9dfd7c7a 1050 snprintf(dinfo->id, 32, "%s%s%i",
1dae12e6
GH		 1051 devname, mediastr, unit_id);
1052 }
1dae12e6 1053 dinfo->bdrv = bdrv_new(dinfo->id);
751c6a17
GH		 1054 dinfo->devaddr = devaddr;
1055 dinfo->type = type;
1056 dinfo->bus = bus_id;
1057 dinfo->unit = unit_id;
e9b2e818
KW		 1058 dinfo->on_read_error = on_read_error;
1059 dinfo->on_write_error = on_write_error;
9dfd7c7a
GH		 1060 dinfo->opts = opts;
1061 if (serial)
1062 strncpy(dinfo->serial, serial, sizeof(serial));
72cf2d4f 1063 QTAILQ_INSERT_TAIL(&drives, dinfo, next);
e4bcb14c 1064
f60d39bc 1065 switch(type) {
e4bcb14c
TS		 1066 case IF_IDE:
1067 case IF_SCSI:
62d23efa 1068 case IF_XEN:
c219331e 1069 case IF_NONE:
e4bcb14c
TS		 1070 switch(media) {
1071 case MEDIA_DISK:
1072 if (cyls != 0) {
1dae12e6
GH		 1073 bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
1074 bdrv_set_translation_hint(dinfo->bdrv, translation);
e4bcb14c
TS		 1075 }
1076 break;
1077 case MEDIA_CDROM:
1dae12e6 1078 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
e4bcb14c
TS		 1079 break;
1080 }
1081 break;
1082 case IF_SD:
1083 /* FIXME: This isn't really a floppy, but it's a reasonable
1084 approximation. */
1085 case IF_FLOPPY:
1dae12e6 1086 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
e4bcb14c
TS		 1087 break;
1088 case IF_PFLASH:
1089 case IF_MTD:
1090 break;
d176c495
GH		 1091 case IF_VIRTIO:
1092 /* add virtio block device */
1093 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1094 qemu_opt_set(opts, "driver", "virtio-blk-pci");
1095 qemu_opt_set(opts, "drive", dinfo->id);
1096 if (devaddr)
1097 qemu_opt_set(opts, "addr", devaddr);
1098 break;
aae9460e
PB		 1099 case IF_COUNT:
1100 abort();
e4bcb14c 1101 }
9dfd7c7a 1102 if (!file) {
751c6a17
GH		 1103 *fatal_error = 0;
1104 return NULL;
1105 }
9f7965c7 1106 if (snapshot) {
c3177288 1107 /* always use cache=unsafe with snapshot */
763b6084 1108 bdrv_flags &= ~BDRV_O_CACHE_MASK;
c3177288 1109 bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB|BDRV_O_NO_FLUSH);
5c6c3a6c
CH		 1110 }
1111
2db7ad59
NS		 1112 if (media == MEDIA_CDROM) {
1113 /* CDROM is fine for any interface, don't check. */
1114 ro = 1;
1115 } else if (ro == 1) {
dc33bb34 1116 if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY && type != IF_NONE) {
f5edb014 1117 fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
59f2689d
NS		 1118 return NULL;
1119 }
b196b153 1120 }
2db7ad59 1121
f5edb014 1122 bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
59f2689d 1123
d6e9098e 1124 if (bdrv_open(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
850810d0
JF		 1125 fprintf(stderr, "qemu: could not open disk image %s: %s\n",
1126 file, strerror(errno));
751c6a17 1127 return NULL;
e4bcb14c 1128 }
5c6c3a6c 1129
1dae12e6 1130 if (bdrv_key_required(dinfo->bdrv))
c0f4ce77 1131 autostart = 0;
751c6a17
GH		 1132 *fatal_error = 0;
1133 return dinfo;
e4bcb14c
TS		 1134}
1135
9dfd7c7a
GH		 1136static int drive_init_func(QemuOpts *opts, void *opaque)
1137{
1138 QEMUMachine *machine = opaque;
1139 int fatal_error = 0;
1140
1141 if (drive_init(opts, machine, &fatal_error) == NULL) {
1142 if (fatal_error)
1143 return 1;
1144 }
1145 return 0;
1146}
1147
1148static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1149{
1150 if (NULL == qemu_opt_get(opts, "snapshot")) {
1151 qemu_opt_set(opts, "snapshot", "on");
1152 }
1153 return 0;
1154}
1155
76e30d0f
JK		 1156void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1157{
1158 boot_set_handler = func;
1159 boot_set_opaque = opaque;
1160}
1161
1162int qemu_boot_set(const char *boot_devices)
1163{
1164 if (!boot_set_handler) {
1165 return -EINVAL;
1166 }
1167 return boot_set_handler(boot_set_opaque, boot_devices);
1168}
1169
4e9e9d6e 1170static void validate_bootdevices(char *devices)
ef3adf68
JK		 1171{
1172 /* We just do some generic consistency checks */
1173 const char *p;
1174 int bitmap = 0;
1175
1176 for (p = devices; *p != '\0'; p++) {
1177 /* Allowed boot devices are:
1178 * a-b: floppy disk drives
1179 * c-f: IDE disk drives
1180 * g-m: machine implementation dependant drives
1181 * n-p: network devices
1182 * It's up to each machine implementation to check if the given boot
1183 * devices match the actual hardware implementation and firmware
1184 * features.
1185 */
1186 if (*p < 'a' || *p > 'p') {
1187 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1188 exit(1);
1189 }
1190 if (bitmap & (1 << (*p - 'a'))) {
1191 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1192 exit(1);
1193 }
1194 bitmap |= 1 << (*p - 'a');
1195 }
ef3adf68
JK		 1196}
1197
e0f084bf
JK		 1198static void restore_boot_devices(void *opaque)
1199{
1200 char *standard_boot_devices = opaque;
37905d6a
AW		 1201 static int first = 1;
1202
1203 /* Restore boot order and remove ourselves after the first boot */
1204 if (first) {
1205 first = 0;
1206 return;
1207 }
e0f084bf
JK		 1208
1209 qemu_boot_set(standard_boot_devices);
1210
1211 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1212 qemu_free(standard_boot_devices);
1213}
1214
268a362c
AL		 1215static void numa_add(const char *optarg)
1216{
1217 char option[128];
1218 char *endptr;
1219 unsigned long long value, endvalue;
1220 int nodenr;
1221
1222 optarg = get_opt_name(option, 128, optarg, ',') + 1;
1223 if (!strcmp(option, "node")) {
1224 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1225 nodenr = nb_numa_nodes;
1226 } else {
1227 nodenr = strtoull(option, NULL, 10);
1228 }
1229
1230 if (get_param_value(option, 128, "mem", optarg) == 0) {
1231 node_mem[nodenr] = 0;
1232 } else {
1233 value = strtoull(option, &endptr, 0);
1234 switch (*endptr) {
1235 case 0: case 'M': case 'm':
1236 value <<= 20;
1237 break;
1238 case 'G': case 'g':
1239 value <<= 30;
1240 break;
1241 }
1242 node_mem[nodenr] = value;
1243 }
1244 if (get_param_value(option, 128, "cpus", optarg) == 0) {
1245 node_cpumask[nodenr] = 0;
1246 } else {
1247 value = strtoull(option, &endptr, 10);
1248 if (value >= 64) {
1249 value = 63;
1250 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
1251 } else {
1252 if (*endptr == '-') {
1253 endvalue = strtoull(endptr+1, &endptr, 10);
1254 if (endvalue >= 63) {
1255 endvalue = 62;
1256 fprintf(stderr,
1257 "only 63 CPUs in NUMA mode supported.\n");
1258 }
0dfbd514 1259 value = (2ULL << endvalue) - (1ULL << value);
268a362c 1260 } else {
0dfbd514 1261 value = 1ULL << value;
268a362c
AL		 1262 }
1263 }
1264 node_cpumask[nodenr] = value;
1265 }
1266 nb_numa_nodes++;
1267 }
1268 return;
1269}
1270
dc6b1c09
AP		 1271static void smp_parse(const char *optarg)
1272{
1273 int smp, sockets = 0, threads = 0, cores = 0;
1274 char *endptr;
1275 char option[128];
1276
1277 smp = strtoul(optarg, &endptr, 10);
1278 if (endptr != optarg) {
1279 if (*endptr == ',') {
1280 endptr++;
1281 }
1282 }
1283 if (get_param_value(option, 128, "sockets", endptr) != 0)
1284 sockets = strtoull(option, NULL, 10);
1285 if (get_param_value(option, 128, "cores", endptr) != 0)
1286 cores = strtoull(option, NULL, 10);
1287 if (get_param_value(option, 128, "threads", endptr) != 0)
1288 threads = strtoull(option, NULL, 10);
1289 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1290 max_cpus = strtoull(option, NULL, 10);
1291
1292 /* compute missing values, prefer sockets over cores over threads */
1293 if (smp == 0 || sockets == 0) {
1294 sockets = sockets > 0 ? sockets : 1;
1295 cores = cores > 0 ? cores : 1;
1296 threads = threads > 0 ? threads : 1;
1297 if (smp == 0) {
1298 smp = cores * threads * sockets;
dc6b1c09
AP		 1299 }
1300 } else {
1301 if (cores == 0) {
1302 threads = threads > 0 ? threads : 1;
1303 cores = smp / (sockets * threads);
1304 } else {
5cdc9b76 1305 if (sockets) {
dc6b1c09
AP		 1306 threads = smp / (cores * sockets);
1307 }
1308 }
1309 }
1310 smp_cpus = smp;
1311 smp_cores = cores > 0 ? cores : 1;
1312 smp_threads = threads > 0 ? threads : 1;
1313 if (max_cpus == 0)
1314 max_cpus = smp_cpus;
1315}
1316
a594cfbf
FB		 1317/***********************************************************/
1318/* USB devices */
1319
c0f4ce77 1320static int usb_device_add(const char *devname, int is_hotplug)
a594cfbf
FB		 1321{
1322 const char *p;
a5d2f727 1323 USBDevice *dev = NULL;
a594cfbf 1324
a5d2f727 1325 if (!usb_enabled)
a594cfbf
FB		 1326 return -1;
1327
0958b4cc
GH		 1328 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1329 dev = usbdevice_create(devname);
1330 if (dev)
1331 goto done;
1332
a5d2f727 1333 /* the other ones */
a594cfbf
FB		 1334 if (strstart(devname, "host:", &p)) {
1335 dev = usb_host_device_open(p);
dc72ac14
AZ		 1336 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1337 dev = usb_bt_init(devname[2] ? hci_init(p) :
1338 bt_new_hci(qemu_find_bt_vlan(0)));
a594cfbf
FB		 1339 } else {
1340 return -1;
1341 }
0d92ed30
PB		 1342 if (!dev)
1343 return -1;
1344
a5d2f727 1345done:
a594cfbf
FB		 1346 return 0;
1347}
1348
1f3870ab
AL		 1349static int usb_device_del(const char *devname)
1350{
1351 int bus_num, addr;
1352 const char *p;
1353
5d0c5750
AL		 1354 if (strstart(devname, "host:", &p))
1355 return usb_host_device_close(p);
1356
a5d2f727 1357 if (!usb_enabled)
1f3870ab
AL		 1358 return -1;
1359
1360 p = strchr(devname, '.');
1361 if (!p)
1362 return -1;
1363 bus_num = strtoul(devname, NULL, 0);
1364 addr = strtoul(p + 1, NULL, 0);
1365
a5d2f727 1366 return usb_device_delete_addr(bus_num, addr);
1f3870ab
AL		 1367}
1368
bd3c948d
GH		 1369static int usb_parse(const char *cmdline)
1370{
59d1c1c2
ST		 1371 int r;
1372 r = usb_device_add(cmdline, 0);
1373 if (r < 0) {
1374 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1375 }
1376 return r;
bd3c948d
GH		 1377}
1378
d54908a5 1379void do_usb_add(Monitor *mon, const QDict *qdict)
a594cfbf 1380{
59d1c1c2
ST		 1381 const char *devname = qdict_get_str(qdict, "devname");
1382 if (usb_device_add(devname, 1) < 0) {
1ecda02b 1383 error_report("could not add USB device '%s'", devname);
59d1c1c2 1384 }
a594cfbf
FB		 1385}
1386
d54908a5 1387void do_usb_del(Monitor *mon, const QDict *qdict)
a594cfbf 1388{
59d1c1c2
ST		 1389 const char *devname = qdict_get_str(qdict, "devname");
1390 if (usb_device_del(devname) < 0) {
1ecda02b 1391 error_report("could not delete USB device '%s'", devname);
59d1c1c2 1392 }
a594cfbf
FB		 1393}
1394
201a51fc
AZ		 1395/***********************************************************/
1396/* PCMCIA/Cardbus */
1397
1398static struct pcmcia_socket_entry_s {
bc24a225 1399 PCMCIASocket *socket;
201a51fc
AZ		 1400 struct pcmcia_socket_entry_s *next;
1401} *pcmcia_sockets = 0;
1402
bc24a225 1403void pcmcia_socket_register(PCMCIASocket *socket)
201a51fc
AZ		 1404{
1405 struct pcmcia_socket_entry_s *entry;
1406
1407 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1408 entry->socket = socket;
1409 entry->next = pcmcia_sockets;
1410 pcmcia_sockets = entry;
1411}
1412
bc24a225 1413void pcmcia_socket_unregister(PCMCIASocket *socket)
201a51fc
AZ		 1414{
1415 struct pcmcia_socket_entry_s *entry, **ptr;
1416
1417 ptr = &pcmcia_sockets;
1418 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1419 if (entry->socket == socket) {
1420 *ptr = entry->next;
1421 qemu_free(entry);
1422 }
1423}
1424
376253ec 1425void pcmcia_info(Monitor *mon)
201a51fc
AZ		 1426{
1427 struct pcmcia_socket_entry_s *iter;
376253ec 1428
201a51fc 1429 if (!pcmcia_sockets)
376253ec 1430 monitor_printf(mon, "No PCMCIA sockets\n");
201a51fc
AZ		 1431
1432 for (iter = pcmcia_sockets; iter; iter = iter->next)
376253ec
AL		 1433 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1434 iter->socket->attached ? iter->socket->card_string :
1435 "Empty");
201a51fc
AZ		 1436}
1437
2ff89790 1438/***********************************************************/
8a7ddc38 1439/* I/O handling */
0824d6fc 1440
c4b1fcc0
FB		 1441typedef struct IOHandlerRecord {
1442 int fd;
7b27a769 1443 IOCanReadHandler *fd_read_poll;
7c9d8e07
FB		 1444 IOHandler *fd_read;
1445 IOHandler *fd_write;
cafffd40 1446 int deleted;
c4b1fcc0
FB		 1447 void *opaque;
1448 /* temporary data */
1449 struct pollfd *ufd;
31d4ee6c 1450 QLIST_ENTRY(IOHandlerRecord) next;
c4b1fcc0
FB		 1451} IOHandlerRecord;
1452
31d4ee6c
JQ		 1453static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1454 QLIST_HEAD_INITIALIZER(io_handlers);
1455
c4b1fcc0 1456
7c9d8e07
FB		 1457/* XXX: fd_read_poll should be suppressed, but an API change is
1458 necessary in the character devices to suppress fd_can_read(). */
5fafdf24 1459int qemu_set_fd_handler2(int fd,
7b27a769 1460 IOCanReadHandler *fd_read_poll,
5fafdf24
TS		 1461 IOHandler *fd_read,
1462 IOHandler *fd_write,
7c9d8e07 1463 void *opaque)
c4b1fcc0 1464{
31d4ee6c 1465 IOHandlerRecord *ioh;
c4b1fcc0 1466
7c9d8e07 1467 if (!fd_read && !fd_write) {
31d4ee6c 1468 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07 1469 if (ioh->fd == fd) {
cafffd40 1470 ioh->deleted = 1;
7c9d8e07
FB		 1471 break;
1472 }
7c9d8e07
FB		 1473 }
1474 } else {
31d4ee6c 1475 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07
FB		 1476 if (ioh->fd == fd)
1477 goto found;
1478 }
1479 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
31d4ee6c 1480 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
7c9d8e07
FB		 1481 found:
1482 ioh->fd = fd;
1483 ioh->fd_read_poll = fd_read_poll;
1484 ioh->fd_read = fd_read;
1485 ioh->fd_write = fd_write;
1486 ioh->opaque = opaque;
cafffd40 1487 ioh->deleted = 0;
7c9d8e07 1488 }
c4b1fcc0
FB		 1489 return 0;
1490}
1491
5fafdf24
TS		 1492int qemu_set_fd_handler(int fd,
1493 IOHandler *fd_read,
1494 IOHandler *fd_write,
7c9d8e07 1495 void *opaque)
8a7ddc38 1496{
7c9d8e07 1497 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
8a7ddc38
FB		 1498}
1499
cc1daa40
FB		 1500/***********************************************************/
1501/* machine registration */
1502
bdaf78e0 1503static QEMUMachine *first_machine = NULL;
6f338c34 1504QEMUMachine *current_machine = NULL;
cc1daa40
FB		 1505
1506int qemu_register_machine(QEMUMachine *m)
1507{
1508 QEMUMachine **pm;
1509 pm = &first_machine;
1510 while (*pm != NULL)
1511 pm = &(*pm)->next;
1512 m->next = NULL;
1513 *pm = m;
1514 return 0;
1515}
1516
9596ebb7 1517static QEMUMachine *find_machine(const char *name)
cc1daa40
FB		 1518{
1519 QEMUMachine *m;
1520
1521 for(m = first_machine; m != NULL; m = m->next) {
1522 if (!strcmp(m->name, name))
1523 return m;
3f6599e6
MM		 1524 if (m->alias && !strcmp(m->alias, name))
1525 return m;
cc1daa40
FB		 1526 }
1527 return NULL;
1528}
1529
0c257437
AL		 1530static QEMUMachine *find_default_machine(void)
1531{
1532 QEMUMachine *m;
1533
1534 for(m = first_machine; m != NULL; m = m->next) {
1535 if (m->is_default) {
1536 return m;
1537 }
1538 }
1539 return NULL;
1540}
1541
8a7ddc38
FB		 1542/***********************************************************/
1543/* main execution loop */
1544
9596ebb7 1545static void gui_update(void *opaque)
8a7ddc38 1546{
7d957bd8 1547 uint64_t interval = GUI_REFRESH_INTERVAL;
740733bb 1548 DisplayState *ds = opaque;
7d957bd8
AL		 1549 DisplayChangeListener *dcl = ds->listeners;
1550
62a2744c 1551 qemu_flush_coalesced_mmio_buffer();
7d957bd8
AL		 1552 dpy_refresh(ds);
1553
1554 while (dcl != NULL) {
1555 if (dcl->gui_timer_interval &&
1556 dcl->gui_timer_interval < interval)
1557 interval = dcl->gui_timer_interval;
1558 dcl = dcl->next;
1559 }
1560 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
8a7ddc38
FB		 1561}
1562
9043b62d
BS		 1563static void nographic_update(void *opaque)
1564{
1565 uint64_t interval = GUI_REFRESH_INTERVAL;
1566
62a2744c 1567 qemu_flush_coalesced_mmio_buffer();
9043b62d
BS		 1568 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1569}
1570
0bd48850
FB		 1571struct vm_change_state_entry {
1572 VMChangeStateHandler *cb;
1573 void *opaque;
72cf2d4f 1574 QLIST_ENTRY (vm_change_state_entry) entries;
0bd48850
FB		 1575};
1576
72cf2d4f 1577static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
0bd48850
FB		 1578
1579VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1580 void *opaque)
1581{
1582 VMChangeStateEntry *e;
1583
1584 e = qemu_mallocz(sizeof (*e));
0bd48850
FB		 1585
1586 e->cb = cb;
1587 e->opaque = opaque;
72cf2d4f 1588 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
0bd48850
FB		 1589 return e;
1590}
1591
1592void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1593{
72cf2d4f 1594 QLIST_REMOVE (e, entries);
0bd48850
FB		 1595 qemu_free (e);
1596}
1597
296af7c9 1598void vm_state_notify(int running, int reason)
0bd48850
FB		 1599{
1600 VMChangeStateEntry *e;
1601
1602 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
9781e040 1603 e->cb(e->opaque, running, reason);
0bd48850
FB		 1604 }
1605}
1606
8a7ddc38
FB		 1607void vm_start(void)
1608{
1609 if (!vm_running) {
1610 cpu_enable_ticks();
1611 vm_running = 1;
9781e040 1612 vm_state_notify(1, 0);
d6dc3d42 1613 resume_all_vcpus();
6ed2c484 1614 monitor_protocol_event(QEVENT_RESUME, NULL);
8a7ddc38
FB		 1615 }
1616}
1617
bb0c6722
FB		 1618/* reset/shutdown handler */
1619
1620typedef struct QEMUResetEntry {
72cf2d4f 1621 QTAILQ_ENTRY(QEMUResetEntry) entry;
bb0c6722
FB		 1622 QEMUResetHandler *func;
1623 void *opaque;
bb0c6722
FB		 1624} QEMUResetEntry;
1625
72cf2d4f
BS		 1626static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1627 QTAILQ_HEAD_INITIALIZER(reset_handlers);
bb0c6722
FB		 1628static int reset_requested;
1629static int shutdown_requested;
3475187d 1630static int powerdown_requested;
296af7c9 1631int debug_requested;
7277e027 1632int vmstop_requested;
bb0c6722 1633
cf7a2fe2
AJ		 1634int qemu_shutdown_requested(void)
1635{
1636 int r = shutdown_requested;
1637 shutdown_requested = 0;
1638 return r;
1639}
1640
1641int qemu_reset_requested(void)
1642{
1643 int r = reset_requested;
1644 reset_requested = 0;
1645 return r;
1646}
1647
1648int qemu_powerdown_requested(void)
1649{
1650 int r = powerdown_requested;
1651 powerdown_requested = 0;
1652 return r;
1653}
1654
e568902a
AL		 1655static int qemu_debug_requested(void)
1656{
1657 int r = debug_requested;
1658 debug_requested = 0;
1659 return r;
1660}
1661
6e29f5da
AL		 1662static int qemu_vmstop_requested(void)
1663{
1664 int r = vmstop_requested;
1665 vmstop_requested = 0;
1666 return r;
1667}
1668
a08d4367 1669void qemu_register_reset(QEMUResetHandler *func, void *opaque)
bb0c6722 1670{
55ddfe8e 1671 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
bb0c6722 1672
bb0c6722
FB		 1673 re->func = func;
1674 re->opaque = opaque;
72cf2d4f 1675 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
bb0c6722
FB		 1676}
1677
dda9b29f 1678void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
bb0c6722
FB		 1679{
1680 QEMUResetEntry *re;
1681
72cf2d4f 1682 QTAILQ_FOREACH(re, &reset_handlers, entry) {
dda9b29f 1683 if (re->func == func && re->opaque == opaque) {
72cf2d4f 1684 QTAILQ_REMOVE(&reset_handlers, re, entry);
dda9b29f
JK		 1685 qemu_free(re);
1686 return;
1687 }
1688 }
1689}
1690
1691void qemu_system_reset(void)
1692{
1693 QEMUResetEntry *re, *nre;
1694
1695 /* reset all devices */
72cf2d4f 1696 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
bb0c6722
FB		 1697 re->func(re->opaque);
1698 }
81d9b784 1699 monitor_protocol_event(QEVENT_RESET, NULL);
ea375f9a 1700 cpu_synchronize_all_post_reset();
bb0c6722
FB		 1701}
1702
1703void qemu_system_reset_request(void)
1704{
d1beab82
FB		 1705 if (no_reboot) {
1706 shutdown_requested = 1;
1707 } else {
1708 reset_requested = 1;
1709 }
d9f75a4e 1710 qemu_notify_event();
bb0c6722
FB		 1711}
1712
1713void qemu_system_shutdown_request(void)
1714{
1715 shutdown_requested = 1;
d9f75a4e 1716 qemu_notify_event();
bb0c6722
FB		 1717}
1718
3475187d
FB		 1719void qemu_system_powerdown_request(void)
1720{
1721 powerdown_requested = 1;
d9f75a4e
AL		 1722 qemu_notify_event();
1723}
1724
d6f4ade2 1725void main_loop_wait(int nonblocking)
56f3a5d0
AL		 1726{
1727 IOHandlerRecord *ioh;
1728 fd_set rfds, wfds, xfds;
1729 int ret, nfds;
1730 struct timeval tv;
d6f4ade2 1731 int timeout;
56f3a5d0 1732
d6f4ade2
PB		 1733 if (nonblocking)
1734 timeout = 0;
1735 else {
1736 timeout = qemu_calculate_timeout();
1737 qemu_bh_update_timeout(&timeout);
1738 }
56f3a5d0 1739
0d93ca7c 1740 os_host_main_loop_wait(&timeout);
56f3a5d0 1741
fd1dff4b
FB		 1742 /* poll any events */
1743 /* XXX: separate device handlers from system ones */
6abfbd79 1744 nfds = -1;
fd1dff4b
FB		 1745 FD_ZERO(&rfds);
1746 FD_ZERO(&wfds);
e035649e 1747 FD_ZERO(&xfds);
31d4ee6c 1748 QLIST_FOREACH(ioh, &io_handlers, next) {
cafffd40
TS		 1749 if (ioh->deleted)
1750 continue;
fd1dff4b
FB		 1751 if (ioh->fd_read &&
1752 (!ioh->fd_read_poll ||
1753 ioh->fd_read_poll(ioh->opaque) != 0)) {
1754 FD_SET(ioh->fd, &rfds);
1755 if (ioh->fd > nfds)
1756 nfds = ioh->fd;
1757 }
1758 if (ioh->fd_write) {
1759 FD_SET(ioh->fd, &wfds);
1760 if (ioh->fd > nfds)
1761 nfds = ioh->fd;
1762 }
1763 }
3b46e624 1764
56f3a5d0
AL		 1765 tv.tv_sec = timeout / 1000;
1766 tv.tv_usec = (timeout % 1000) * 1000;
1767
d918f23e
JK		 1768 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
1769
4870852c 1770 qemu_mutex_unlock_iothread();
e035649e 1771 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
4870852c 1772 qemu_mutex_lock_iothread();
fd1dff4b 1773 if (ret > 0) {
31d4ee6c 1774 IOHandlerRecord *pioh;
cafffd40 1775
31d4ee6c 1776 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
cafffd40 1777 if (ioh->deleted) {
31d4ee6c 1778 QLIST_REMOVE(ioh, next);
cafffd40 1779 qemu_free(ioh);
4bed9837
JQ		 1780 continue;
1781 }
1782 if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
1783 ioh->fd_read(ioh->opaque);
1784 }
1785 if (ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
1786 ioh->fd_write(ioh->opaque);
31d4ee6c 1787 }
cafffd40 1788 }
fd1dff4b 1789 }
d918f23e
JK		 1790
1791 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
b4608c04 1792
b6964827 1793 qemu_run_all_timers();
21d5d12b 1794
423f0742
PB		 1795 /* Check bottom-halves last in case any of the earlier events triggered
1796 them. */
1797 qemu_bh_poll();
3b46e624 1798
5905b2e5
FB		 1799}
1800
43b96858
AL		 1801static int vm_can_run(void)
1802{
1803 if (powerdown_requested)
1804 return 0;
1805 if (reset_requested)
1806 return 0;
1807 if (shutdown_requested)
1808 return 0;
e568902a
AL		 1809 if (debug_requested)
1810 return 0;
43b96858
AL		 1811 return 1;
1812}
1813
d9c32310
BS		 1814qemu_irq qemu_system_powerdown;
1815
43b96858
AL		 1816static void main_loop(void)
1817{
6e29f5da 1818 int r;
e6e35b1e 1819
7277e027 1820 qemu_main_loop_start();
d6dc3d42 1821
6e29f5da 1822 for (;;) {
43b96858 1823 do {
d6f4ade2 1824 bool nonblocking = false;
e6e35b1e
AL		 1825#ifdef CONFIG_PROFILER
1826 int64_t ti;
1827#endif
d6dc3d42 1828#ifndef CONFIG_IOTHREAD
d6f4ade2 1829 nonblocking = tcg_cpu_exec();
d6dc3d42 1830#endif
89bfc105 1831#ifdef CONFIG_PROFILER
43b96858 1832 ti = profile_getclock();
89bfc105 1833#endif
d6f4ade2 1834 main_loop_wait(nonblocking);
89bfc105 1835#ifdef CONFIG_PROFILER
43b96858 1836 dev_time += profile_getclock() - ti;
89bfc105 1837#endif
e568902a 1838 } while (vm_can_run());
43b96858 1839
54fc6ea9
BS		 1840 if ((r = qemu_debug_requested())) {
1841 vm_stop(r);
b1a15e7e 1842 }
43b96858 1843 if (qemu_shutdown_requested()) {
242cd003 1844 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
43b96858
AL		 1845 if (no_shutdown) {
1846 vm_stop(0);
1847 no_shutdown = 0;
1848 } else
1849 break;
1850 }
d6dc3d42
AL		 1851 if (qemu_reset_requested()) {
1852 pause_all_vcpus();
43b96858 1853 qemu_system_reset();
d6dc3d42
AL		 1854 resume_all_vcpus();
1855 }
d9c32310 1856 if (qemu_powerdown_requested()) {
242cd003 1857 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
d9c32310
BS		 1858 qemu_irq_raise(qemu_system_powerdown);
1859 }
b1a15e7e 1860 if ((r = qemu_vmstop_requested())) {
6e29f5da 1861 vm_stop(r);
b1a15e7e 1862 }
b4608c04 1863 }
d6dc3d42 1864 pause_all_vcpus();
b4608c04
FB		 1865}
1866
9bd7e6d9
PB		 1867static void version(void)
1868{
f75ca1ae 1869 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
9bd7e6d9
PB		 1870}
1871
15f82208 1872static void help(int exitcode)
0824d6fc 1873{
e8105ebb 1874 const char *options_help =
ad96090a
BS		 1875#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1876 opt_help
5824d651
BS		 1877#define DEFHEADING(text) stringify(text) "\n"
1878#include "qemu-options.h"
1879#undef DEF
1880#undef DEFHEADING
1881#undef GEN_DOCS
e8105ebb
PB		 1882 ;
1883 version();
1884 printf("usage: %s [options] [disk_image]\n"
1885 "\n"
f75ca1ae 1886 "'disk_image' is a raw hard disk image for IDE hard disk 0\n"
3f020d70 1887 "\n"
e8105ebb 1888 "%s\n"
3f020d70 1889 "During emulation, the following keys are useful:\n"
1890 "ctrl-alt-f toggle full screen\n"
1891 "ctrl-alt-n switch to virtual console 'n'\n"
1892 "ctrl-alt toggle mouse and keyboard grab\n"
1893 "\n"
e8105ebb
PB		 1894 "When using -nographic, press 'ctrl-a h' to get some help.\n",
1895 "qemu",
1896 options_help);
15f82208 1897 exit(exitcode);
0824d6fc
FB		 1898}
1899
cd6f1169
FB		 1900#define HAS_ARG 0x0001
1901
1902enum {
ad96090a 1903#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
5824d651
BS		 1904 opt_enum,
1905#define DEFHEADING(text)
1906#include "qemu-options.h"
1907#undef DEF
1908#undef DEFHEADING
1909#undef GEN_DOCS
cd6f1169
FB		 1910};
1911
1912typedef struct QEMUOption {
1913 const char *name;
1914 int flags;
1915 int index;
ad96090a 1916 uint32_t arch_mask;
cd6f1169
FB		 1917} QEMUOption;
1918
dbed7e40 1919static const QEMUOption qemu_options[] = {
ad96090a
BS		 1920 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1921#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
1922 { option, opt_arg, opt_enum, arch_mask },
5824d651
BS		 1923#define DEFHEADING(text)
1924#include "qemu-options.h"
1925#undef DEF
1926#undef DEFHEADING
1927#undef GEN_DOCS
cd6f1169 1928 { NULL },
fc01f7e7 1929};
3893c124 1930static void select_vgahw (const char *p)
1931{
1932 const char *opts;
1933
64465297 1934 default_vga = 0;
86176759 1935 vga_interface_type = VGA_NONE;
3893c124 1936 if (strstart(p, "std", &opts)) {
86176759 1937 vga_interface_type = VGA_STD;
3893c124 1938 } else if (strstart(p, "cirrus", &opts)) {
86176759 1939 vga_interface_type = VGA_CIRRUS;
3893c124 1940 } else if (strstart(p, "vmware", &opts)) {
86176759 1941 vga_interface_type = VGA_VMWARE;
94909d9f 1942 } else if (strstart(p, "xenfb", &opts)) {
86176759 1943 vga_interface_type = VGA_XENFB;
28b85ed8 1944 } else if (!strstart(p, "none", &opts)) {
3893c124 1945 invalid_vga:
1946 fprintf(stderr, "Unknown vga type: %s\n", p);
1947 exit(1);
1948 }
cb5a7aa8 1949 while (*opts) {
1950 const char *nextopt;
1951
1952 if (strstart(opts, ",retrace=", &nextopt)) {
1953 opts = nextopt;
1954 if (strstart(opts, "dumb", &nextopt))
1955 vga_retrace_method = VGA_RETRACE_DUMB;
1956 else if (strstart(opts, "precise", &nextopt))
1957 vga_retrace_method = VGA_RETRACE_PRECISE;
1958 else goto invalid_vga;
1959 } else goto invalid_vga;
1960 opts = nextopt;
1961 }
3893c124 1962}
1963
7d4c3d53
MA		 1964static int balloon_parse(const char *arg)
1965{
382f0743 1966 QemuOpts *opts;
7d4c3d53 1967
382f0743
GH		 1968 if (strcmp(arg, "none") == 0) {
1969 return 0;
1970 }
1971
1972 if (!strncmp(arg, "virtio", 6)) {
1973 if (arg[6] == ',') {
1974 /* have params -> parse them */
8212c64f 1975 opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
382f0743
GH		 1976 if (!opts)
1977 return -1;
1978 } else {
1979 /* create empty opts */
1980 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
7d4c3d53 1981 }
382f0743
GH		 1982 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
1983 return 0;
7d4c3d53 1984 }
382f0743
GH		 1985
1986 return -1;
7d4c3d53 1987}
7d4c3d53 1988
5cea8590
PB		 1989#ifdef _WIN32
1990/* Look for support files in the same directory as the executable. */
1991static char *find_datadir(const char *argv0)
1992{
1993 char *p;
1994 char buf[MAX_PATH];
1995 DWORD len;
1996
1997 len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
1998 if (len == 0) {
c5947808 1999 return NULL;
5cea8590
PB		 2000 }
2001
2002 buf[len] = 0;
2003 p = buf + len - 1;
2004 while (p != buf && *p != '\\')
2005 p--;
2006 *p = 0;
2007 if (access(buf, R_OK) == 0) {
2008 return qemu_strdup(buf);
2009 }
2010 return NULL;
2011}
2012#else /* !_WIN32 */
2013
2014/* Find a likely location for support files using the location of the binary.
2015 For installed binaries this will be "$bindir/../share/qemu". When
2016 running from the build tree this will be "$bindir/../pc-bios". */
2017#define SHARE_SUFFIX "/share/qemu"
2018#define BUILD_SUFFIX "/pc-bios"
2019static char *find_datadir(const char *argv0)
2020{
2021 char *dir;
2022 char *p = NULL;
2023 char *res;
5cea8590 2024 char buf[PATH_MAX];
3a41759d 2025 size_t max_len;
5cea8590
PB		 2026
2027#if defined(__linux__)
2028 {
2029 int len;
2030 len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
2031 if (len > 0) {
2032 buf[len] = 0;
2033 p = buf;
2034 }
2035 }
2036#elif defined(__FreeBSD__)
2037 {
92c0e657
JL		 2038 static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
2039 size_t len = sizeof(buf) - 1;
2040
2041 *buf = '\0';
2042 if (!sysctl(mib, sizeof(mib)/sizeof(*mib), buf, &len, NULL, 0) &&
2043 *buf) {
2044 buf[sizeof(buf) - 1] = '\0';
5cea8590
PB		 2045 p = buf;
2046 }
2047 }
2048#endif
2049 /* If we don't have any way of figuring out the actual executable
2050 location then try argv[0]. */
2051 if (!p) {
4d224196 2052 p = realpath(argv0, buf);
5cea8590
PB		 2053 if (!p) {
2054 return NULL;
2055 }
2056 }
2057 dir = dirname(p);
2058 dir = dirname(dir);
2059
3a41759d
BS		 2060 max_len = strlen(dir) +
2061 MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
2062 res = qemu_mallocz(max_len);
2063 snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
5cea8590 2064 if (access(res, R_OK)) {
3a41759d 2065 snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
5cea8590
PB		 2066 if (access(res, R_OK)) {
2067 qemu_free(res);
2068 res = NULL;
2069 }
2070 }
4d224196 2071
5cea8590
PB		 2072 return res;
2073}
2074#undef SHARE_SUFFIX
2075#undef BUILD_SUFFIX
2076#endif
2077
2078char *qemu_find_file(int type, const char *name)
2079{
2080 int len;
2081 const char *subdir;
2082 char *buf;
2083
2084 /* If name contains path separators then try it as a straight path. */
2085 if ((strchr(name, '/') || strchr(name, '\\'))
2086 && access(name, R_OK) == 0) {
73ffc805 2087 return qemu_strdup(name);
5cea8590
PB		 2088 }
2089 switch (type) {
2090 case QEMU_FILE_TYPE_BIOS:
2091 subdir = "";
2092 break;
2093 case QEMU_FILE_TYPE_KEYMAP:
2094 subdir = "keymaps/";
2095 break;
2096 default:
2097 abort();
2098 }
2099 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2100 buf = qemu_mallocz(len);
3a41759d 2101 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
5cea8590
PB		 2102 if (access(buf, R_OK)) {
2103 qemu_free(buf);
2104 return NULL;
2105 }
2106 return buf;
2107}
2108
ff952ba2
MA		 2109static int device_help_func(QemuOpts *opts, void *opaque)
2110{
2111 return qdev_device_help(opts);
2112}
2113
f31d07d1
GH		 2114static int device_init_func(QemuOpts *opts, void *opaque)
2115{
2116 DeviceState *dev;
2117
2118 dev = qdev_device_add(opts);
2119 if (!dev)
2120 return -1;
2121 return 0;
2122}
2123
1a688d3b
GH		 2124static int chardev_init_func(QemuOpts *opts, void *opaque)
2125{
2126 CharDriverState *chr;
2127
2128 chr = qemu_chr_open_opts(opts, NULL);
2129 if (!chr)
2130 return -1;
2131 return 0;
2132}
2133
74db920c
GS		 2134#ifdef CONFIG_LINUX
2135static int fsdev_init_func(QemuOpts *opts, void *opaque)
2136{
2137 int ret;
2138 ret = qemu_fsdev_add(opts);
2139
2140 return ret;
2141}
2142#endif
2143
88589343
GH		 2144static int mon_init_func(QemuOpts *opts, void *opaque)
2145{
2146 CharDriverState *chr;
2147 const char *chardev;
2148 const char *mode;
2149 int flags;
2150
2151 mode = qemu_opt_get(opts, "mode");
2152 if (mode == NULL) {
2153 mode = "readline";
2154 }
2155 if (strcmp(mode, "readline") == 0) {
2156 flags = MONITOR_USE_READLINE;
2157 } else if (strcmp(mode, "control") == 0) {
2158 flags = MONITOR_USE_CONTROL;
2159 } else {
2160 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2161 exit(1);
2162 }
2163
2164 if (qemu_opt_get_bool(opts, "default", 0))
2165 flags |= MONITOR_IS_DEFAULT;
2166
2167 chardev = qemu_opt_get(opts, "chardev");
2168 chr = qemu_chr_find(chardev);
2169 if (chr == NULL) {
2170 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2171 exit(1);
2172 }
2173
2174 monitor_init(chr, flags);
2175 return 0;
2176}
2177
6ca5582d 2178static void monitor_parse(const char *optarg, const char *mode)
88589343
GH		 2179{
2180 static int monitor_device_index = 0;
2181 QemuOpts *opts;
2182 const char *p;
2183 char label[32];
2184 int def = 0;
2185
2186 if (strstart(optarg, "chardev:", &p)) {
2187 snprintf(label, sizeof(label), "%s", p);
2188 } else {
140e065d
JK		 2189 snprintf(label, sizeof(label), "compat_monitor%d",
2190 monitor_device_index);
2191 if (monitor_device_index == 0) {
88589343
GH		 2192 def = 1;
2193 }
2194 opts = qemu_chr_parse_compat(label, optarg);
2195 if (!opts) {
2196 fprintf(stderr, "parse error: %s\n", optarg);
2197 exit(1);
2198 }
2199 }
2200
2201 opts = qemu_opts_create(&qemu_mon_opts, label, 1);
2202 if (!opts) {
2203 fprintf(stderr, "duplicate chardev: %s\n", label);
2204 exit(1);
2205 }
6ca5582d 2206 qemu_opt_set(opts, "mode", mode);
88589343
GH		 2207 qemu_opt_set(opts, "chardev", label);
2208 if (def)
2209 qemu_opt_set(opts, "default", "on");
2210 monitor_device_index++;
2211}
2212
bd3c948d
GH		 2213struct device_config {
2214 enum {
aee1b935
GH		 2215 DEV_USB, /* -usbdevice */
2216 DEV_BT, /* -bt */
2217 DEV_SERIAL, /* -serial */
2218 DEV_PARALLEL, /* -parallel */
2219 DEV_VIRTCON, /* -virtioconsole */
c9f398e5 2220 DEV_DEBUGCON, /* -debugcon */
bd3c948d
GH		 2221 } type;
2222 const char *cmdline;
72cf2d4f 2223 QTAILQ_ENTRY(device_config) next;
bd3c948d 2224};
72cf2d4f 2225QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH		 2226
2227static void add_device_config(int type, const char *cmdline)
2228{
2229 struct device_config *conf;
2230
2231 conf = qemu_mallocz(sizeof(*conf));
2232 conf->type = type;
2233 conf->cmdline = cmdline;
72cf2d4f 2234 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH		 2235}
2236
2237static int foreach_device_config(int type, int (*func)(const char *cmdline))
2238{
2239 struct device_config *conf;
2240 int rc;
2241
72cf2d4f 2242 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH		 2243 if (conf->type != type)
2244 continue;
2245 rc = func(conf->cmdline);
2246 if (0 != rc)
2247 return rc;
2248 }
2249 return 0;
2250}
2251
998bbd74
GH		 2252static int serial_parse(const char *devname)
2253{
2254 static int index = 0;
2255 char label[32];
2256
2257 if (strcmp(devname, "none") == 0)
2258 return 0;
2259 if (index == MAX_SERIAL_PORTS) {
2260 fprintf(stderr, "qemu: too many serial ports\n");
2261 exit(1);
2262 }
2263 snprintf(label, sizeof(label), "serial%d", index);
2264 serial_hds[index] = qemu_chr_open(label, devname, NULL);
2265 if (!serial_hds[index]) {
2266 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
2267 devname, strerror(errno));
2268 return -1;
2269 }
2270 index++;
2271 return 0;
2272}
2273
6a5e8b0e
GH		 2274static int parallel_parse(const char *devname)
2275{
2276 static int index = 0;
2277 char label[32];
2278
2279 if (strcmp(devname, "none") == 0)
2280 return 0;
2281 if (index == MAX_PARALLEL_PORTS) {
2282 fprintf(stderr, "qemu: too many parallel ports\n");
2283 exit(1);
2284 }
2285 snprintf(label, sizeof(label), "parallel%d", index);
2286 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
2287 if (!parallel_hds[index]) {
2288 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2289 devname, strerror(errno));
2290 return -1;
2291 }
2292 index++;
2293 return 0;
2294}
2295
aee1b935
GH		 2296static int virtcon_parse(const char *devname)
2297{
2298 static int index = 0;
2299 char label[32];
392ecf54 2300 QemuOpts *bus_opts, *dev_opts;
aee1b935
GH		 2301
2302 if (strcmp(devname, "none") == 0)
2303 return 0;
2304 if (index == MAX_VIRTIO_CONSOLES) {
2305 fprintf(stderr, "qemu: too many virtio consoles\n");
2306 exit(1);
2307 }
392ecf54
AS		 2308
2309 bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2310 qemu_opt_set(bus_opts, "driver", "virtio-serial");
2311
2312 dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
2313 qemu_opt_set(dev_opts, "driver", "virtconsole");
2314
aee1b935
GH		 2315 snprintf(label, sizeof(label), "virtcon%d", index);
2316 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
2317 if (!virtcon_hds[index]) {
2318 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2319 devname, strerror(errno));
2320 return -1;
2321 }
392ecf54
AS		 2322 qemu_opt_set(dev_opts, "chardev", label);
2323
aee1b935
GH		 2324 index++;
2325 return 0;
2326}
2327
c9f398e5
PA		 2328static int debugcon_parse(const char *devname)
2329{
2330 QemuOpts *opts;
2331
2332 if (!qemu_chr_open("debugcon", devname, NULL)) {
2333 exit(1);
2334 }
2335 opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
2336 if (!opts) {
2337 fprintf(stderr, "qemu: already have a debugcon device\n");
2338 exit(1);
2339 }
2340 qemu_opt_set(opts, "driver", "isa-debugcon");
2341 qemu_opt_set(opts, "chardev", "debugcon");
2342 return 0;
2343}
2344
6530a97b
AL		 2345static const QEMUOption *lookup_opt(int argc, char **argv,
2346 const char **poptarg, int *poptind)
2347{
2348 const QEMUOption *popt;
2349 int optind = *poptind;
2350 char *r = argv[optind];
2351 const char *optarg;
2352
0f0bc3f1 2353 loc_set_cmdline(argv, optind, 1);
6530a97b
AL		 2354 optind++;
2355 /* Treat --foo the same as -foo. */
2356 if (r[1] == '-')
2357 r++;
2358 popt = qemu_options;
2359 for(;;) {
2360 if (!popt->name) {
0f0bc3f1 2361 error_report("invalid option");
6530a97b
AL		 2362 exit(1);
2363 }
2364 if (!strcmp(popt->name, r + 1))
2365 break;
2366 popt++;
2367 }
2368 if (popt->flags & HAS_ARG) {
2369 if (optind >= argc) {
0f0bc3f1 2370 error_report("requires an argument");
6530a97b
AL		 2371 exit(1);
2372 }
2373 optarg = argv[optind++];
0f0bc3f1 2374 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL		 2375 } else {
2376 optarg = NULL;
2377 }
2378
2379 *poptarg = optarg;
2380 *poptind = optind;
2381
2382 return popt;
2383}
2384
902b3d5c 2385int main(int argc, char **argv, char **envp)
0824d6fc 2386{
59030a8c 2387 const char *gdbstub_dev = NULL;
e4bcb14c 2388 int i;
da1fcfda 2389 int snapshot, linux_boot;
4e3de9e9 2390 const char *icount_option = NULL;
7f7f9873 2391 const char *initrd_filename;
a20dd508 2392 const char *kernel_filename, *kernel_cmdline;
195325a4 2393 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
3023f332 2394 DisplayState *ds;
7d957bd8 2395 DisplayChangeListener *dcl;
46d4767d 2396 int cyls, heads, secs, translation;
f31d07d1 2397 QemuOpts *hda_opts = NULL, *opts;
cd6f1169 2398 int optind;
6530a97b 2399 const char *optarg;
d63d307f 2400 const char *loadvm = NULL;
cc1daa40 2401 QEMUMachine *machine;
94fc95cd 2402 const char *cpu_model;
b9e82a59 2403#ifndef _WIN32
71e3ceb8 2404 int fds[2];
b9e82a59 2405#endif
26a5f13b 2406 int tb_size;
93815bc2 2407 const char *pid_file = NULL;
5bb7910a 2408 const char *incoming = NULL;
b9e82a59 2409#ifndef _WIN32
54042bcf
AL		 2410 int fd = 0;
2411 struct passwd *pwd = NULL;
0858532e
AL		 2412 const char *chroot_dir = NULL;
2413 const char *run_as = NULL;
b9e82a59 2414#endif
993fbfdb 2415 int show_vnc_port = 0;
292444cb 2416 int defconfig = 1;
0bd48850 2417
65abca0a
MA		 2418 error_set_progname(argv[0]);
2419
6875204c
JK		 2420 init_clocks();
2421
902b3d5c 2422 qemu_cache_utils_init(envp);
2423
72cf2d4f 2424 QLIST_INIT (&vm_change_state_head);
fe98ac14 2425 os_setup_early_signal_handling();
be995c27 2426
f80f9ec9 2427 module_call_init(MODULE_INIT_MACHINE);
0c257437 2428 machine = find_default_machine();
94fc95cd 2429 cpu_model = NULL;
fc01f7e7 2430 initrd_filename = NULL;
4fc5d071 2431 ram_size = 0;
33e3963e 2432 snapshot = 0;
a20dd508
FB		 2433 kernel_filename = NULL;
2434 kernel_cmdline = "";
c4b1fcc0 2435 cyls = heads = secs = 0;
46d4767d 2436 translation = BIOS_ATA_TRANSLATION_AUTO;
c4b1fcc0 2437
268a362c
AL		 2438 for (i = 0; i < MAX_NODES; i++) {
2439 node_mem[i] = 0;
2440 node_cpumask[i] = 0;
2441 }
2442
268a362c 2443 nb_numa_nodes = 0;
7c9d8e07 2444 nb_nics = 0;
3b46e624 2445
26a5f13b 2446 tb_size = 0;
41bd639b
BS		 2447 autostart= 1;
2448
292444cb
AL		 2449 /* first pass of option parsing */
2450 optind = 1;
2451 while (optind < argc) {
2452 if (argv[optind][0] != '-') {
2453 /* disk image */
28e68d68 2454 optind++;
292444cb
AL		 2455 continue;
2456 } else {
2457 const QEMUOption *popt;
2458
2459 popt = lookup_opt(argc, argv, &optarg, &optind);
2460 switch (popt->index) {
2461 case QEMU_OPTION_nodefconfig:
2462 defconfig=0;
2463 break;
2464 }
2465 }
2466 }
2467
2468 if (defconfig) {
dcfb0939 2469 int ret;
cf5a65aa 2470
dcfb0939 2471 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
019e78ba 2472 if (ret < 0 && ret != -ENOENT) {
dcfb0939 2473 exit(1);
292444cb
AL		 2474 }
2475
dcfb0939 2476 ret = qemu_read_config_file(arch_config_name);
019e78ba 2477 if (ret < 0 && ret != -ENOENT) {
dcfb0939 2478 exit(1);
292444cb
AL		 2479 }
2480 }
de06f8d1 2481 cpudef_init();
292444cb
AL		 2482
2483 /* second pass of option parsing */
cd6f1169 2484 optind = 1;
0824d6fc 2485 for(;;) {
cd6f1169 2486 if (optind >= argc)
0824d6fc 2487 break;
6530a97b 2488 if (argv[optind][0] != '-') {
9dfd7c7a 2489 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
cd6f1169
FB		 2490 } else {
2491 const QEMUOption *popt;
2492
6530a97b 2493 popt = lookup_opt(argc, argv, &optarg, &optind);
ad96090a
BS		 2494 if (!(popt->arch_mask & arch_type)) {
2495 printf("Option %s not supported for this target\n", popt->name);
2496 exit(1);
2497 }
cd6f1169 2498 switch(popt->index) {
cc1daa40
FB		 2499 case QEMU_OPTION_M:
2500 machine = find_machine(optarg);
2501 if (!machine) {
2502 QEMUMachine *m;
2503 printf("Supported machines are:\n");
2504 for(m = first_machine; m != NULL; m = m->next) {
3f6599e6
MM		 2505 if (m->alias)
2506 printf("%-10s %s (alias of %s)\n",
2507 m->alias, m->desc, m->name);
cc1daa40 2508 printf("%-10s %s%s\n",
5fafdf24 2509 m->name, m->desc,
0c257437 2510 m->is_default ? " (default)" : "");
cc1daa40 2511 }
15f82208 2512 exit(*optarg != '?');
cc1daa40
FB		 2513 }
2514 break;
94fc95cd
JM		 2515 case QEMU_OPTION_cpu:
2516 /* hw initialization will check this */
15f82208 2517 if (*optarg == '?') {
262353cb 2518 list_cpus(stdout, &fprintf, optarg);
15f82208 2519 exit(0);
94fc95cd
JM		 2520 } else {
2521 cpu_model = optarg;
2522 }
2523 break;
cd6f1169 2524 case QEMU_OPTION_initrd:
fc01f7e7
FB		 2525 initrd_filename = optarg;
2526 break;
cd6f1169 2527 case QEMU_OPTION_hda:
e4bcb14c 2528 if (cyls == 0)
9dfd7c7a 2529 hda_opts = drive_add(optarg, HD_ALIAS, 0);
e4bcb14c 2530 else
9dfd7c7a 2531 hda_opts = drive_add(optarg, HD_ALIAS
e4bcb14c 2532 ",cyls=%d,heads=%d,secs=%d%s",
609497ab 2533 0, cyls, heads, secs,
e4bcb14c
TS		 2534 translation == BIOS_ATA_TRANSLATION_LBA ?
2535 ",trans=lba" :
2536 translation == BIOS_ATA_TRANSLATION_NONE ?
2537 ",trans=none" : "");
2538 break;
cd6f1169 2539 case QEMU_OPTION_hdb:
cc1daa40
FB		 2540 case QEMU_OPTION_hdc:
2541 case QEMU_OPTION_hdd:
609497ab 2542 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
fc01f7e7 2543 break;
e4bcb14c 2544 case QEMU_OPTION_drive:
609497ab 2545 drive_add(NULL, "%s", optarg);
e4bcb14c 2546 break;
d058fe03
GH		 2547 case QEMU_OPTION_set:
2548 if (qemu_set_option(optarg) != 0)
2549 exit(1);
2550 break;
d0fef6fb
GH		 2551 case QEMU_OPTION_global:
2552 if (qemu_global_option(optarg) != 0)
2553 exit(1);
2554 break;
3e3d5815 2555 case QEMU_OPTION_mtdblock:
609497ab 2556 drive_add(optarg, MTD_ALIAS);
3e3d5815 2557 break;
a1bb27b1 2558 case QEMU_OPTION_sd:
609497ab 2559 drive_add(optarg, SD_ALIAS);
a1bb27b1 2560 break;
86f55663 2561 case QEMU_OPTION_pflash:
609497ab 2562 drive_add(optarg, PFLASH_ALIAS);
86f55663 2563 break;
cd6f1169 2564 case QEMU_OPTION_snapshot:
33e3963e
FB		 2565 snapshot = 1;
2566 break;
cd6f1169 2567 case QEMU_OPTION_hdachs:
330d0414 2568 {
330d0414
FB		 2569 const char *p;
2570 p = optarg;
2571 cyls = strtol(p, (char **)&p, 0);
46d4767d
FB		 2572 if (cyls < 1 || cyls > 16383)
2573 goto chs_fail;
330d0414
FB		 2574 if (*p != ',')
2575 goto chs_fail;
2576 p++;
2577 heads = strtol(p, (char **)&p, 0);
46d4767d
FB		 2578 if (heads < 1 || heads > 16)
2579 goto chs_fail;
330d0414
FB		 2580 if (*p != ',')
2581 goto chs_fail;
2582 p++;
2583 secs = strtol(p, (char **)&p, 0);
46d4767d
FB		 2584 if (secs < 1 || secs > 63)
2585 goto chs_fail;
2586 if (*p == ',') {
2587 p++;
2588 if (!strcmp(p, "none"))
2589 translation = BIOS_ATA_TRANSLATION_NONE;
2590 else if (!strcmp(p, "lba"))
2591 translation = BIOS_ATA_TRANSLATION_LBA;
2592 else if (!strcmp(p, "auto"))
2593 translation = BIOS_ATA_TRANSLATION_AUTO;
2594 else
2595 goto chs_fail;
2596 } else if (*p != '\0') {
c4b1fcc0 2597 chs_fail:
46d4767d
FB		 2598 fprintf(stderr, "qemu: invalid physical CHS format\n");
2599 exit(1);
c4b1fcc0 2600 }
9dfd7c7a
GH		 2601 if (hda_opts != NULL) {
2602 char num[16];
2603 snprintf(num, sizeof(num), "%d", cyls);
2604 qemu_opt_set(hda_opts, "cyls", num);
2605 snprintf(num, sizeof(num), "%d", heads);
2606 qemu_opt_set(hda_opts, "heads", num);
2607 snprintf(num, sizeof(num), "%d", secs);
2608 qemu_opt_set(hda_opts, "secs", num);
2609 if (translation == BIOS_ATA_TRANSLATION_LBA)
2610 qemu_opt_set(hda_opts, "trans", "lba");
2611 if (translation == BIOS_ATA_TRANSLATION_NONE)
2612 qemu_opt_set(hda_opts, "trans", "none");
2613 }
330d0414
FB		 2614 }
2615 break;
268a362c
AL		 2616 case QEMU_OPTION_numa:
2617 if (nb_numa_nodes >= MAX_NODES) {
2618 fprintf(stderr, "qemu: too many NUMA nodes\n");
2619 exit(1);
2620 }
2621 numa_add(optarg);
2622 break;
cd6f1169 2623 case QEMU_OPTION_nographic:
993fbfdb 2624 display_type = DT_NOGRAPHIC;
a20dd508 2625 break;
4d3b6f6e
AZ		 2626#ifdef CONFIG_CURSES
2627 case QEMU_OPTION_curses:
993fbfdb 2628 display_type = DT_CURSES;
4d3b6f6e
AZ		 2629 break;
2630#endif
a171fe39
AZ		 2631 case QEMU_OPTION_portrait:
2632 graphic_rotate = 1;
2633 break;
cd6f1169 2634 case QEMU_OPTION_kernel:
a20dd508
FB		 2635 kernel_filename = optarg;
2636 break;
cd6f1169 2637 case QEMU_OPTION_append:
a20dd508 2638 kernel_cmdline = optarg;
313aa567 2639 break;
cd6f1169 2640 case QEMU_OPTION_cdrom:
609497ab 2641 drive_add(optarg, CDROM_ALIAS);
36b486bb 2642 break;
cd6f1169 2643 case QEMU_OPTION_boot:
28c5af54 2644 {
ef3adf68 2645 static const char * const params[] = {
95387491 2646 "order", "once", "menu", NULL
ef3adf68
JK		 2647 };
2648 char buf[sizeof(boot_devices)];
e0f084bf 2649 char *standard_boot_devices;
ef3adf68
JK		 2650 int legacy = 0;
2651
2652 if (!strchr(optarg, '=')) {
2653 legacy = 1;
2654 pstrcpy(buf, sizeof(buf), optarg);
2655 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2656 fprintf(stderr,
2657 "qemu: unknown boot parameter '%s' in '%s'\n",
2658 buf, optarg);
2659 exit(1);
2660 }
2661
2662 if (legacy ||
2663 get_param_value(buf, sizeof(buf), "order", optarg)) {
4e9e9d6e 2664 validate_bootdevices(buf);
ef3adf68 2665 pstrcpy(boot_devices, sizeof(boot_devices), buf);
28c5af54 2666 }
e0f084bf
JK		 2667 if (!legacy) {
2668 if (get_param_value(buf, sizeof(buf),
2669 "once", optarg)) {
4e9e9d6e 2670 validate_bootdevices(buf);
e0f084bf
JK		 2671 standard_boot_devices = qemu_strdup(boot_devices);
2672 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2673 qemu_register_reset(restore_boot_devices,
2674 standard_boot_devices);
2675 }
95387491
JK		 2676 if (get_param_value(buf, sizeof(buf),
2677 "menu", optarg)) {
2678 if (!strcmp(buf, "on")) {
2679 boot_menu = 1;
2680 } else if (!strcmp(buf, "off")) {
2681 boot_menu = 0;
2682 } else {
2683 fprintf(stderr,
2684 "qemu: invalid option value '%s'\n",
2685 buf);
2686 exit(1);
2687 }
2688 }
e0f084bf 2689 }
36b486bb
FB		 2690 }
2691 break;
cd6f1169 2692 case QEMU_OPTION_fda:
cd6f1169 2693 case QEMU_OPTION_fdb:
609497ab 2694 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
c45886db 2695 break;
52ca8d6a
FB		 2696 case QEMU_OPTION_no_fd_bootchk:
2697 fd_bootchk = 0;
2698 break;
a1ea458f
MM		 2699 case QEMU_OPTION_netdev:
2700 if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
2701 exit(1);
2702 }
2703 break;
7c9d8e07 2704 case QEMU_OPTION_net:
7f161aae 2705 if (net_client_parse(&qemu_net_opts, optarg) == -1) {
c4b1fcc0
FB		 2706 exit(1);
2707 }
702c651c 2708 break;
c7f74643
FB		 2709#ifdef CONFIG_SLIRP
2710 case QEMU_OPTION_tftp:
ad196a9d 2711 legacy_tftp_prefix = optarg;
9bf05444 2712 break;
47d5d01a 2713 case QEMU_OPTION_bootp:
ad196a9d 2714 legacy_bootp_filename = optarg;
47d5d01a 2715 break;
c94c8d64 2716#ifndef _WIN32
9d728e8c 2717 case QEMU_OPTION_smb:
0752706d
MA		 2718 if (net_slirp_smb(optarg) < 0)
2719 exit(1);
9d728e8c 2720 break;
c94c8d64 2721#endif
9bf05444 2722 case QEMU_OPTION_redir:
0752706d
MA		 2723 if (net_slirp_redir(optarg) < 0)
2724 exit(1);
9bf05444 2725 break;
c7f74643 2726#endif
dc72ac14 2727 case QEMU_OPTION_bt:
bd3c948d 2728 add_device_config(DEV_BT, optarg);
dc72ac14 2729 break;
1d14ffa9 2730 case QEMU_OPTION_audio_help:
ad96090a
BS		 2731 if (!(audio_available())) {
2732 printf("Option %s not supported for this target\n", popt->name);
2733 exit(1);
2734 }
1d14ffa9
FB		 2735 AUD_help ();
2736 exit (0);
2737 break;
2738 case QEMU_OPTION_soundhw:
ad96090a
BS		 2739 if (!(audio_available())) {
2740 printf("Option %s not supported for this target\n", popt->name);
2741 exit(1);
2742 }
1d14ffa9
FB		 2743 select_soundhw (optarg);
2744 break;
cd6f1169 2745 case QEMU_OPTION_h:
15f82208 2746 help(0);
cd6f1169 2747 break;
9bd7e6d9
PB		 2748 case QEMU_OPTION_version:
2749 version();
2750 exit(0);
2751 break;
00f82b8a
AJ		 2752 case QEMU_OPTION_m: {
2753 uint64_t value;
2754 char *ptr;
2755
2756 value = strtoul(optarg, &ptr, 10);
2757 switch (*ptr) {
2758 case 0: case 'M': case 'm':
2759 value <<= 20;
2760 break;
2761 case 'G': case 'g':
2762 value <<= 30;
2763 break;
2764 default:
2765 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
cd6f1169
FB		 2766 exit(1);
2767 }
00f82b8a
AJ		 2768
2769 /* On 32-bit hosts, QEMU is limited by virtual address space */
4a1418e0 2770 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
00f82b8a
AJ		 2771 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
2772 exit(1);
2773 }
c227f099 2774 if (value != (uint64_t)(ram_addr_t)value) {
00f82b8a
AJ		 2775 fprintf(stderr, "qemu: ram size too large\n");
2776 exit(1);
2777 }
2778 ram_size = value;
cd6f1169 2779 break;
00f82b8a 2780 }
c902760f
MT		 2781 case QEMU_OPTION_mempath:
2782 mem_path = optarg;
2783 break;
2784#ifdef MAP_POPULATE
2785 case QEMU_OPTION_mem_prealloc:
2786 mem_prealloc = 1;
2787 break;
2788#endif
cd6f1169 2789 case QEMU_OPTION_d:
de06f8d1 2790 set_cpu_log(optarg);
cd6f1169 2791 break;
cd6f1169 2792 case QEMU_OPTION_s:
59030a8c 2793 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
cd6f1169 2794 break;
59030a8c
AL		 2795 case QEMU_OPTION_gdb:
2796 gdbstub_dev = optarg;
cd6f1169 2797 break;
cd6f1169 2798 case QEMU_OPTION_L:
5cea8590 2799 data_dir = optarg;
cd6f1169 2800 break;
1192dad8
JM		 2801 case QEMU_OPTION_bios:
2802 bios_name = optarg;
2803 break;
1b530a6d
AJ		 2804 case QEMU_OPTION_singlestep:
2805 singlestep = 1;
2806 break;
cd6f1169 2807 case QEMU_OPTION_S:
3c07f8e8 2808 autostart = 0;
cd6f1169 2809 break;
3d11d0eb
FB		 2810 case QEMU_OPTION_k:
2811 keyboard_layout = optarg;
2812 break;
ee22c2f7
FB		 2813 case QEMU_OPTION_localtime:
2814 rtc_utc = 0;
2815 break;
3893c124 2816 case QEMU_OPTION_vga:
2817 select_vgahw (optarg);
1bfe856e 2818 break;
e9b137c2
FB		 2819 case QEMU_OPTION_g:
2820 {
2821 const char *p;
2822 int w, h, depth;
2823 p = optarg;
2824 w = strtol(p, (char **)&p, 10);
2825 if (w <= 0) {
2826 graphic_error:
2827 fprintf(stderr, "qemu: invalid resolution or depth\n");
2828 exit(1);
2829 }
2830 if (*p != 'x')
2831 goto graphic_error;
2832 p++;
2833 h = strtol(p, (char **)&p, 10);
2834 if (h <= 0)
2835 goto graphic_error;
2836 if (*p == 'x') {
2837 p++;
2838 depth = strtol(p, (char **)&p, 10);
5fafdf24 2839 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB		 2840 depth != 24 && depth != 32)
2841 goto graphic_error;
2842 } else if (*p == '\0') {
2843 depth = graphic_depth;
2844 } else {
2845 goto graphic_error;
2846 }
3b46e624 2847
e9b137c2
FB		 2848 graphic_width = w;
2849 graphic_height = h;
2850 graphic_depth = depth;
2851 }
2852 break;
20d8a3ed
TS		 2853 case QEMU_OPTION_echr:
2854 {
2855 char *r;
2856 term_escape_char = strtol(optarg, &r, 0);
2857 if (r == optarg)
2858 printf("Bad argument to echr\n");
2859 break;
2860 }
82c643ff 2861 case QEMU_OPTION_monitor:
6ca5582d
GH		 2862 monitor_parse(optarg, "readline");
2863 default_monitor = 0;
2864 break;
2865 case QEMU_OPTION_qmp:
2866 monitor_parse(optarg, "control");
2d114dc1 2867 default_monitor = 0;
82c643ff 2868 break;
22a0e04b 2869 case QEMU_OPTION_mon:
8212c64f 2870 opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
22a0e04b 2871 if (!opts) {
22a0e04b
GH		 2872 exit(1);
2873 }
2d114dc1 2874 default_monitor = 0;
22a0e04b 2875 break;
191bc01b 2876 case QEMU_OPTION_chardev:
8212c64f 2877 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
191bc01b 2878 if (!opts) {
191bc01b
GH		 2879 exit(1);
2880 }
191bc01b 2881 break;
74db920c
GS		 2882#ifdef CONFIG_LINUX
2883 case QEMU_OPTION_fsdev:
2884 opts = qemu_opts_parse(&qemu_fsdev_opts, optarg, 1);
2885 if (!opts) {
2886 fprintf(stderr, "parse error: %s\n", optarg);
2887 exit(1);
2888 }
2889 break;
3d54abc7
GS		 2890 case QEMU_OPTION_virtfs: {
2891 char *arg_fsdev = NULL;
2892 char *arg_9p = NULL;
2893 int len = 0;
2894
2895 opts = qemu_opts_parse(&qemu_virtfs_opts, optarg, 1);
2896 if (!opts) {
2897 fprintf(stderr, "parse error: %s\n", optarg);
2898 exit(1);
2899 }
2900
2901 len = strlen(",id=,path=");
2902 len += strlen(qemu_opt_get(opts, "fstype"));
2903 len += strlen(qemu_opt_get(opts, "mount_tag"));
2904 len += strlen(qemu_opt_get(opts, "path"));
2905 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
2906
2907 if (!arg_fsdev) {
2908 fprintf(stderr, "No memory to parse -fsdev for %s\n",
2909 optarg);
2910 exit(1);
2911 }
2912
2913 sprintf(arg_fsdev, "%s,id=%s,path=%s",
2914 qemu_opt_get(opts, "fstype"),
2915 qemu_opt_get(opts, "mount_tag"),
2916 qemu_opt_get(opts, "path"));
2917
2918 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
2919 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));
2920 arg_9p = qemu_malloc((len + 1) * sizeof(*arg_9p));
2921
2922 if (!arg_9p) {
2923 fprintf(stderr, "No memory to parse -device for %s\n",
2924 optarg);
2925 exit(1);
2926 }
2927
2928 sprintf(arg_9p, "virtio-9p-pci,fsdev=%s,mount_tag=%s",
2929 qemu_opt_get(opts, "mount_tag"),
2930 qemu_opt_get(opts, "mount_tag"));
2931
2932 if (!qemu_opts_parse(&qemu_fsdev_opts, arg_fsdev, 1)) {
2933 fprintf(stderr, "parse error [fsdev]: %s\n", optarg);
2934 exit(1);
2935 }
2936
2937 if (!qemu_opts_parse(&qemu_device_opts, arg_9p, 1)) {
2938 fprintf(stderr, "parse error [device]: %s\n", optarg);
2939 exit(1);
2940 }
2941
2942 qemu_free(arg_fsdev);
2943 qemu_free(arg_9p);
2944 break;
2945 }
74db920c 2946#endif
82c643ff 2947 case QEMU_OPTION_serial:
998bbd74
GH		 2948 add_device_config(DEV_SERIAL, optarg);
2949 default_serial = 0;
18141ed6
JK		 2950 if (strncmp(optarg, "mon:", 4) == 0) {
2951 default_monitor = 0;
2952 }
82c643ff 2953 break;
9dd986cc 2954 case QEMU_OPTION_watchdog:
09aaa160
MA		 2955 if (watchdog) {
2956 fprintf(stderr,
2957 "qemu: only one watchdog option may be given\n");
2958 return 1;
2959 }
2960 watchdog = optarg;
9dd986cc
RJ		 2961 break;
2962 case QEMU_OPTION_watchdog_action:
2963 if (select_watchdog_action(optarg) == -1) {
2964 fprintf(stderr, "Unknown -watchdog-action parameter\n");
2965 exit(1);
2966 }
2967 break;
51ecf136 2968 case QEMU_OPTION_virtiocon:
aee1b935
GH		 2969 add_device_config(DEV_VIRTCON, optarg);
2970 default_virtcon = 0;
18141ed6
JK		 2971 if (strncmp(optarg, "mon:", 4) == 0) {
2972 default_monitor = 0;
2973 }
51ecf136 2974 break;
6508fe59 2975 case QEMU_OPTION_parallel:
6a5e8b0e
GH		 2976 add_device_config(DEV_PARALLEL, optarg);
2977 default_parallel = 0;
18141ed6
JK		 2978 if (strncmp(optarg, "mon:", 4) == 0) {
2979 default_monitor = 0;
2980 }
6508fe59 2981 break;
c9f398e5
PA		 2982 case QEMU_OPTION_debugcon:
2983 add_device_config(DEV_DEBUGCON, optarg);
2984 break;
d63d307f
FB		 2985 case QEMU_OPTION_loadvm:
2986 loadvm = optarg;
2987 break;
2988 case QEMU_OPTION_full_screen:
2989 full_screen = 1;
2990 break;
667accab 2991#ifdef CONFIG_SDL
43523e93
TS		 2992 case QEMU_OPTION_no_frame:
2993 no_frame = 1;
2994 break;
3780e197
TS		 2995 case QEMU_OPTION_alt_grab:
2996 alt_grab = 1;
2997 break;
0ca9f8a4
DK		 2998 case QEMU_OPTION_ctrl_grab:
2999 ctrl_grab = 1;
3000 break;
667accab
TS		 3001 case QEMU_OPTION_no_quit:
3002 no_quit = 1;
3003 break;
7d957bd8 3004 case QEMU_OPTION_sdl:
993fbfdb 3005 display_type = DT_SDL;
7d957bd8 3006 break;
667accab 3007#endif
f7cce898 3008 case QEMU_OPTION_pidfile:
93815bc2 3009 pid_file = optarg;
f7cce898 3010 break;
a09db21f
FB		 3011 case QEMU_OPTION_win2k_hack:
3012 win2k_install_hack = 1;
3013 break;
73822ec8
AL		 3014 case QEMU_OPTION_rtc_td_hack:
3015 rtc_td_hack = 1;
3016 break;
8a92ea2f 3017 case QEMU_OPTION_acpitable:
de06f8d1 3018 do_acpitable_option(optarg);
8a92ea2f 3019 break;
b6f6e3d3 3020 case QEMU_OPTION_smbios:
de06f8d1 3021 do_smbios_option(optarg);
b6f6e3d3 3022 break;
7ba1e619
AL		 3023 case QEMU_OPTION_enable_kvm:
3024 kvm_allowed = 1;
7ba1e619 3025 break;
bb36d470
FB		 3026 case QEMU_OPTION_usb:
3027 usb_enabled = 1;
3028 break;
a594cfbf
FB		 3029 case QEMU_OPTION_usbdevice:
3030 usb_enabled = 1;
bd3c948d
GH		 3031 add_device_config(DEV_USB, optarg);
3032 break;
3033 case QEMU_OPTION_device:
8212c64f 3034 if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
f31d07d1
GH		 3035 exit(1);
3036 }
a594cfbf 3037 break;
6a00d601 3038 case QEMU_OPTION_smp:
dc6b1c09 3039 smp_parse(optarg);
b2097003 3040 if (smp_cpus < 1) {
6a00d601
FB		 3041 fprintf(stderr, "Invalid number of CPUs\n");
3042 exit(1);
3043 }
6be68d7e
JS		 3044 if (max_cpus < smp_cpus) {
3045 fprintf(stderr, "maxcpus must be equal to or greater than "
3046 "smp\n");
3047 exit(1);
3048 }
3049 if (max_cpus > 255) {
3050 fprintf(stderr, "Unsupported number of maxcpus\n");
3051 exit(1);
3052 }
6a00d601 3053 break;
24236869 3054 case QEMU_OPTION_vnc:
993fbfdb 3055 display_type = DT_VNC;
73fc9742 3056 vnc_display = optarg;
24236869 3057 break;
6515b203
FB		 3058 case QEMU_OPTION_no_acpi:
3059 acpi_enabled = 0;
3060 break;
16b29ae1
AL		 3061 case QEMU_OPTION_no_hpet:
3062 no_hpet = 1;
3063 break;
7d4c3d53
MA		 3064 case QEMU_OPTION_balloon:
3065 if (balloon_parse(optarg) < 0) {
3066 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3067 exit(1);
3068 }
df97b920 3069 break;
d1beab82
FB		 3070 case QEMU_OPTION_no_reboot:
3071 no_reboot = 1;
3072 break;
b2f76161
AJ		 3073 case QEMU_OPTION_no_shutdown:
3074 no_shutdown = 1;
3075 break;
9467cd46
AZ		 3076 case QEMU_OPTION_show_cursor:
3077 cursor_hide = 0;
3078 break;
8fcb1b90
BS		 3079 case QEMU_OPTION_uuid:
3080 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3081 fprintf(stderr, "Fail to parse UUID string."
3082 " Wrong format.\n");
3083 exit(1);
3084 }
3085 break;
5824d651 3086#ifndef _WIN32
71e3ceb8
TS		 3087 case QEMU_OPTION_daemonize:
3088 daemonize = 1;
3089 break;
5824d651 3090#endif
9ae02555
TS		 3091 case QEMU_OPTION_option_rom:
3092 if (nb_option_roms >= MAX_OPTION_ROMS) {
3093 fprintf(stderr, "Too many option ROMs\n");
3094 exit(1);
3095 }
3096 option_rom[nb_option_roms] = optarg;
3097 nb_option_roms++;
3098 break;
8e71621f
PB		 3099 case QEMU_OPTION_semihosting:
3100 semihosting_enabled = 1;
3101 break;
c35734b2 3102 case QEMU_OPTION_name:
1889465a
AK		 3103 qemu_name = qemu_strdup(optarg);
3104 {
3105 char *p = strchr(qemu_name, ',');
3106 if (p != NULL) {
3107 *p++ = 0;
3108 if (strncmp(p, "process=", 8)) {
3109 fprintf(stderr, "Unknown subargument %s to -name", p);
3110 exit(1);
3111 }
3112 p += 8;
3113 set_proc_name(p);
3114 }
3115 }
c35734b2 3116 break;
66508601
BS		 3117 case QEMU_OPTION_prom_env:
3118 if (nb_prom_envs >= MAX_PROM_ENVS) {
3119 fprintf(stderr, "Too many prom variables\n");
3120 exit(1);
3121 }
3122 prom_envs[nb_prom_envs] = optarg;
3123 nb_prom_envs++;
3124 break;
2b8f2d41
AZ		 3125 case QEMU_OPTION_old_param:
3126 old_param = 1;
05ebd537 3127 break;
f3dcfada
TS		 3128 case QEMU_OPTION_clock:
3129 configure_alarms(optarg);
3130 break;
7e0af5d0 3131 case QEMU_OPTION_startdate:
1ed2fc1f
JK		 3132 configure_rtc_date_offset(optarg, 1);
3133 break;
3134 case QEMU_OPTION_rtc:
8212c64f 3135 opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
1ed2fc1f 3136 if (!opts) {
1ed2fc1f 3137 exit(1);
7e0af5d0 3138 }
1ed2fc1f 3139 configure_rtc(opts);
7e0af5d0 3140 break;
26a5f13b
FB		 3141 case QEMU_OPTION_tb_size:
3142 tb_size = strtol(optarg, NULL, 0);
3143 if (tb_size < 0)
3144 tb_size = 0;
3145 break;
2e70f6ef 3146 case QEMU_OPTION_icount:
4e3de9e9 3147 icount_option = optarg;
2e70f6ef 3148 break;
5bb7910a
AL		 3149 case QEMU_OPTION_incoming:
3150 incoming = optarg;
3151 break;
d8c208dd
GH		 3152 case QEMU_OPTION_nodefaults:
3153 default_serial = 0;
3154 default_parallel = 0;
aee1b935 3155 default_virtcon = 0;
d8c208dd
GH		 3156 default_monitor = 0;
3157 default_vga = 0;
cb4522cc 3158 default_net = 0;
ac33f8fa
GH		 3159 default_floppy = 0;
3160 default_cdrom = 0;
3161 default_sdcard = 0;
d8c208dd 3162 break;
5824d651 3163#ifndef _WIN32
0858532e
AL		 3164 case QEMU_OPTION_chroot:
3165 chroot_dir = optarg;
3166 break;
3167 case QEMU_OPTION_runas:
3168 run_as = optarg;
3169 break;
e37630ca 3170#endif
e37630ca 3171 case QEMU_OPTION_xen_domid:
ad96090a
BS		 3172 if (!(xen_available())) {
3173 printf("Option %s not supported for this target\n", popt->name);
3174 exit(1);
3175 }
e37630ca
AL		 3176 xen_domid = atoi(optarg);
3177 break;
3178 case QEMU_OPTION_xen_create:
ad96090a
BS		 3179 if (!(xen_available())) {
3180 printf("Option %s not supported for this target\n", popt->name);
3181 exit(1);
3182 }
e37630ca
AL		 3183 xen_mode = XEN_CREATE;
3184 break;
3185 case QEMU_OPTION_xen_attach:
ad96090a
BS		 3186 if (!(xen_available())) {
3187 printf("Option %s not supported for this target\n", popt->name);
3188 exit(1);
3189 }
e37630ca
AL		 3190 xen_mode = XEN_ATTACH;
3191 break;
715a664a
GH		 3192 case QEMU_OPTION_readconfig:
3193 {
dcfb0939
KW		 3194 int ret = qemu_read_config_file(optarg);
3195 if (ret < 0) {
3196 fprintf(stderr, "read config %s: %s\n", optarg,
3197 strerror(-ret));
715a664a
GH		 3198 exit(1);
3199 }
715a664a
GH		 3200 break;
3201 }
3202 case QEMU_OPTION_writeconfig:
3203 {
3204 FILE *fp;
3205 if (strcmp(optarg, "-") == 0) {
3206 fp = stdout;
3207 } else {
3208 fp = fopen(optarg, "w");
3209 if (fp == NULL) {
3210 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3211 exit(1);
3212 }
3213 }
3214 qemu_config_write(fp);
3215 fclose(fp);
3216 break;
3217 }
cd6f1169 3218 }
0824d6fc
FB		 3219 }
3220 }
0f0bc3f1 3221 loc_set_none();
330d0414 3222
5cea8590
PB		 3223 /* If no data_dir is specified then try to find it relative to the
3224 executable path. */
3225 if (!data_dir) {
3226 data_dir = find_datadir(argv[0]);
3227 }
3228 /* If all else fails use the install patch specified when building. */
3229 if (!data_dir) {
1dabe05c 3230 data_dir = CONFIG_QEMU_DATADIR;
5cea8590
PB		 3231 }
3232
6be68d7e
JS		 3233 /*
3234 * Default to max_cpus = smp_cpus, in case the user doesn't
3235 * specify a max_cpus value.
3236 */
3237 if (!max_cpus)
3238 max_cpus = smp_cpus;
3239
3d878caa 3240 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
b2097003
AL		 3241 if (smp_cpus > machine->max_cpus) {
3242 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3243 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3244 machine->max_cpus);
3245 exit(1);
3246 }
3247
998bbd74 3248 qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
d8bcbabf 3249 qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
998bbd74 3250
986c5f78
GH		 3251 if (machine->no_serial) {
3252 default_serial = 0;
3253 }
3254 if (machine->no_parallel) {
3255 default_parallel = 0;
3256 }
3257 if (!machine->use_virtcon) {
3258 default_virtcon = 0;
3259 }
3260 if (machine->no_vga) {
3261 default_vga = 0;
3262 }
ac33f8fa
GH		 3263 if (machine->no_floppy) {
3264 default_floppy = 0;
3265 }
3266 if (machine->no_cdrom) {
3267 default_cdrom = 0;
3268 }
3269 if (machine->no_sdcard) {
3270 default_sdcard = 0;
3271 }
986c5f78 3272
993fbfdb 3273 if (display_type == DT_NOGRAPHIC) {
6a5e8b0e
GH		 3274 if (default_parallel)
3275 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH		 3276 if (default_serial && default_monitor) {
3277 add_device_config(DEV_SERIAL, "mon:stdio");
986c5f78
GH		 3278 } else if (default_virtcon && default_monitor) {
3279 add_device_config(DEV_VIRTCON, "mon:stdio");
e1c09175
GH		 3280 } else {
3281 if (default_serial)
3282 add_device_config(DEV_SERIAL, "stdio");
986c5f78
GH		 3283 if (default_virtcon)
3284 add_device_config(DEV_VIRTCON, "stdio");
e1c09175 3285 if (default_monitor)
6ca5582d 3286 monitor_parse("stdio", "readline");
e1c09175 3287 }
998bbd74
GH		 3288 } else {
3289 if (default_serial)
3290 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH		 3291 if (default_parallel)
3292 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 3293 if (default_monitor)
6ca5582d 3294 monitor_parse("vc:80Cx24C", "readline");
38536da1
AG		 3295 if (default_virtcon)
3296 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
bc0129d9 3297 }
64465297
GH		 3298 if (default_vga)
3299 vga_interface_type = VGA_CIRRUS;
bc0129d9 3300
a5829fd9
T		 3301 socket_init();
3302
1a688d3b
GH		 3303 if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
3304 exit(1);
74db920c
GS		 3305#ifdef CONFIG_LINUX
3306 if (qemu_opts_foreach(&qemu_fsdev_opts, fsdev_init_func, NULL, 1) != 0) {
3307 exit(1);
3308 }
3309#endif
1a688d3b 3310
71e3ceb8 3311#ifndef _WIN32
71e3ceb8
TS		 3312 if (daemonize) {
3313 pid_t pid;
3314
3315 if (pipe(fds) == -1)
3316 exit(1);
3317
3318 pid = fork();
3319 if (pid > 0) {
3320 uint8_t status;
3321 ssize_t len;
3322
3323 close(fds[1]);
3324
3325 again:
93815bc2
TS		 3326 len = read(fds[0], &status, 1);
3327 if (len == -1 && (errno == EINTR))
3328 goto again;
3329
3330 if (len != 1)
3331 exit(1);
3332 else if (status == 1) {
850810d0 3333 fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
93815bc2
TS		 3334 exit(1);
3335 } else
3336 exit(0);
71e3ceb8 3337 } else if (pid < 0)
93815bc2 3338 exit(1);
71e3ceb8 3339
40ff6d7e
KW		 3340 close(fds[0]);
3341 qemu_set_cloexec(fds[1]);
3342
71e3ceb8
TS		 3343 setsid();
3344
3345 pid = fork();
3346 if (pid > 0)
3347 exit(0);
3348 else if (pid < 0)
3349 exit(1);
3350
3351 umask(027);
71e3ceb8
TS		 3352
3353 signal(SIGTSTP, SIG_IGN);
3354 signal(SIGTTOU, SIG_IGN);
3355 signal(SIGTTIN, SIG_IGN);
3356 }
099fe236 3357#endif
71e3ceb8 3358
aa26bb2d 3359 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
099fe236 3360#ifndef _WIN32
93815bc2
TS		 3361 if (daemonize) {
3362 uint8_t status = 1;
dc330e28
KS		 3363 if (write(fds[1], &status, 1) != 1) {
3364 perror("daemonize. Writing to pipe\n");
3365 }
93815bc2 3366 } else
099fe236 3367#endif
850810d0 3368 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
93815bc2
TS		 3369 exit(1);
3370 }
3371
98c8573e
PB		 3372 if (kvm_allowed) {
3373 int ret = kvm_init(smp_cpus);
214910a7 3374 if (ret < 0) {
98c8573e
PB		 3375 if (!kvm_available()) {
3376 printf("KVM not supported for this target\n");
3377 } else {
3378 fprintf(stderr, "failed to initialize KVM: %s\n", strerror(-ret));
3379 }
214910a7
MT		 3380 exit(1);
3381 }
3382 }
3383
3fcf7b6b
AL		 3384 if (qemu_init_main_loop()) {
3385 fprintf(stderr, "qemu_init_main_loop failed\n");
3386 exit(1);
3387 }
a20dd508 3388 linux_boot = (kernel_filename != NULL);
6c41b272 3389
f8d39c01
TS		 3390 if (!linux_boot && *kernel_cmdline != '\0') {
3391 fprintf(stderr, "-append only allowed with -kernel option\n");
3392 exit(1);
3393 }
3394
3395 if (!linux_boot && initrd_filename != NULL) {
3396 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3397 exit(1);
3398 }
3399
bf65f53f
FN		 3400#ifndef _WIN32
3401 /* Win32 doesn't support line-buffering and requires size >= 2 */
b118d61e 3402 setvbuf(stdout, NULL, _IOLBF, 0);
bf65f53f 3403#endif
3b46e624 3404
7183b4b4
AL		 3405 if (init_timer_alarm() < 0) {
3406 fprintf(stderr, "could not initialize alarm timer\n");
3407 exit(1);
3408 }
4e3de9e9 3409 configure_icount(icount_option);
634fce96 3410
dc1c9fe8
MM		 3411 if (net_init_clients() < 0) {
3412 exit(1);
702c651c 3413 }
f1510b2c 3414
dc72ac14 3415 /* init the bluetooth world */
bd3c948d
GH		 3416 if (foreach_device_config(DEV_BT, bt_parse))
3417 exit(1);
dc72ac14 3418
0824d6fc 3419 /* init the memory */
94a6b54f
PB		 3420 if (ram_size == 0)
3421 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
9ae02555 3422
26a5f13b
FB		 3423 /* init the dynamic translator */
3424 cpu_exec_init_all(tb_size * 1024 * 1024);
3425
eb852011 3426 bdrv_init_with_whitelist();
c4b1fcc0 3427
c163b5ca 3428 blk_mig_init();
3429
ac33f8fa 3430 if (default_cdrom) {
aa40fc9c
GH		 3431 /* we always create the cdrom drive, even if no disk is there */
3432 drive_add(NULL, CDROM_ALIAS);
ac33f8fa 3433 }
c4b1fcc0 3434
ac33f8fa 3435 if (default_floppy) {
aa40fc9c
GH		 3436 /* we always create at least one floppy */
3437 drive_add(NULL, FD_ALIAS, 0);
ac33f8fa 3438 }
86f55663 3439
ac33f8fa 3440 if (default_sdcard) {
aa40fc9c
GH		 3441 /* we always create one sd slot, even if no card is in it */
3442 drive_add(NULL, SD_ALIAS);
3443 }
9d413d1d 3444
e4bcb14c 3445 /* open the virtual block devices */
9dfd7c7a 3446 if (snapshot)
7282a033
GH		 3447 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
3448 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
9dfd7c7a 3449 exit(1);
3e3d5815 3450
c163b5ca 3451 register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL,
3452 ram_load, NULL);
8a7ddc38 3453
268a362c
AL		 3454 if (nb_numa_nodes > 0) {
3455 int i;
3456
3457 if (nb_numa_nodes > smp_cpus) {
3458 nb_numa_nodes = smp_cpus;
3459 }
3460
3461 /* If no memory size if given for any node, assume the default case
3462 * and distribute the available memory equally across all nodes
3463 */
3464 for (i = 0; i < nb_numa_nodes; i++) {
3465 if (node_mem[i] != 0)
3466 break;
3467 }
3468 if (i == nb_numa_nodes) {
3469 uint64_t usedmem = 0;
3470
3471 /* On Linux, the each node's border has to be 8MB aligned,
3472 * the final node gets the rest.
3473 */
3474 for (i = 0; i < nb_numa_nodes - 1; i++) {
3475 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3476 usedmem += node_mem[i];
3477 }
3478 node_mem[i] = ram_size - usedmem;
3479 }
3480
3481 for (i = 0; i < nb_numa_nodes; i++) {
3482 if (node_cpumask[i] != 0)
3483 break;
3484 }
3485 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3486 * must cope with this anyway, because there are BIOSes out there in
3487 * real machines which also use this scheme.
3488 */
3489 if (i == nb_numa_nodes) {
3490 for (i = 0; i < smp_cpus; i++) {
3491 node_cpumask[i % nb_numa_nodes] |= 1 << i;
3492 }
3493 }
3494 }
3495
157b9319
JK		 3496 if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0) {
3497 exit(1);
3498 }
3499
998bbd74
GH		 3500 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3501 exit(1);
6a5e8b0e
GH		 3502 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3503 exit(1);
aee1b935
GH		 3504 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3505 exit(1);
c9f398e5
PA		 3506 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3507 exit(1);
2796dae0 3508
aae9460e
PB		 3509 module_call_init(MODULE_INIT_DEVICE);
3510
ff952ba2
MA		 3511 if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
3512 exit(0);
3513
09aaa160
MA		 3514 if (watchdog) {
3515 i = select_watchdog(watchdog);
3516 if (i > 0)
3517 exit (i == 1 ? 1 : 0);
3518 }
3519
b6b61144 3520 if (machine->compat_props) {
458fb679 3521 qdev_prop_register_global_list(machine->compat_props);
b6b61144 3522 }
d0fef6fb
GH		 3523 qemu_add_globals();
3524
fbe1b595 3525 machine->init(ram_size, boot_devices,
3023f332
AL		 3526 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3527
ea375f9a 3528 cpu_synchronize_all_post_init();
268a362c 3529
67b3b71d 3530 /* must be after terminal init, SDL library changes signal handlers */
8d963e6a 3531 os_setup_signal_handling();
67b3b71d 3532
87d0a28e 3533 set_numa_modes();
268a362c 3534
6f338c34
AL		 3535 current_machine = machine;
3536
3023f332
AL		 3537 /* init USB devices */
3538 if (usb_enabled) {
0752706d
MA		 3539 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3540 exit(1);
3023f332
AL		 3541 }
3542
bd3c948d 3543 /* init generic devices */
f31d07d1 3544 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
bd3c948d
GH		 3545 exit(1);
3546
668680f7
MA		 3547 net_check_clients();
3548
3023f332 3549 /* just use the first displaystate for the moment */
b473df6e 3550 ds = get_displaystate();
993fbfdb
AL		 3551
3552 if (display_type == DT_DEFAULT) {
3553#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3554 display_type = DT_SDL;
3555#else
3556 display_type = DT_VNC;
3557 vnc_display = "localhost:0,to=99";
3558 show_vnc_port = 1;
3559#endif
3560 }
3561
3562
3563 switch (display_type) {
3564 case DT_NOGRAPHIC:
3565 break;
4d3b6f6e 3566#if defined(CONFIG_CURSES)
993fbfdb
AL		 3567 case DT_CURSES:
3568 curses_display_init(ds, full_screen);
3569 break;
4d3b6f6e 3570#endif
5b0753e0 3571#if defined(CONFIG_SDL)
993fbfdb
AL		 3572 case DT_SDL:
3573 sdl_display_init(ds, full_screen, no_frame);
3574 break;
5b0753e0 3575#elif defined(CONFIG_COCOA)
993fbfdb
AL		 3576 case DT_SDL:
3577 cocoa_display_init(ds, full_screen);
3578 break;
313aa567 3579#endif
993fbfdb
AL		 3580 case DT_VNC:
3581 vnc_display_init(ds);
3582 if (vnc_display_open(ds, vnc_display) < 0)
3583 exit(1);
f92f8afe 3584
993fbfdb
AL		 3585 if (show_vnc_port) {
3586 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
f92f8afe 3587 }
993fbfdb
AL		 3588 break;
3589 default:
3590 break;
313aa567 3591 }
7d957bd8 3592 dpy_resize(ds);
5b08fc10 3593
3023f332
AL		 3594 dcl = ds->listeners;
3595 while (dcl != NULL) {
3596 if (dcl->dpy_refresh != NULL) {
3597 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
3598 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
0f2ad63f 3599 break;
20d8a3ed 3600 }
3023f332 3601 dcl = dcl->next;
20d8a3ed 3602 }
3023f332 3603
993fbfdb 3604 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
9043b62d
BS		 3605 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
3606 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
3607 }
3608
b473df6e 3609 text_consoles_set_display(ds);
2796dae0 3610
59030a8c
AL		 3611 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
3612 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
3613 gdbstub_dev);
3614 exit(1);
45669e00 3615 }
45669e00 3616
3418bd25
GH		 3617 qdev_machine_creation_done();
3618
15ff7705
GH		 3619 if (rom_load_all() != 0) {
3620 fprintf(stderr, "rom loading failed\n");
3621 exit(1);
3622 }
45a50b16 3623
504c2948 3624 qemu_system_reset();
05f2401e 3625 if (loadvm) {
03cd4655 3626 if (load_vmstate(loadvm) < 0) {
05f2401e
JQ		 3627 autostart = 0;
3628 }
3629 }
d63d307f 3630
2bb8c10c 3631 if (incoming) {
5bb7910a 3632 qemu_start_incoming_migration(incoming);
6b99dadc 3633 } else if (autostart) {
c0f4ce77 3634 vm_start();
6b99dadc 3635 }
ffd843bc 3636
b9e82a59 3637#ifndef _WIN32
71e3ceb8
TS		 3638 if (daemonize) {
3639 uint8_t status = 0;
3640 ssize_t len;
71e3ceb8
TS		 3641
3642 again1:
3643 len = write(fds[1], &status, 1);
3644 if (len == -1 && (errno == EINTR))
3645 goto again1;
3646
3647 if (len != 1)
3648 exit(1);
3649
dc330e28
KS		 3650 if (chdir("/")) {
3651 perror("not able to chdir to /");
3652 exit(1);
3653 }
40ff6d7e 3654 TFR(fd = qemu_open("/dev/null", O_RDWR));
71e3ceb8
TS		 3655 if (fd == -1)
3656 exit(1);
0858532e 3657 }
71e3ceb8 3658
0858532e
AL		 3659 if (run_as) {
3660 pwd = getpwnam(run_as);
3661 if (!pwd) {
3662 fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
3663 exit(1);
3664 }
3665 }
3666
3667 if (chroot_dir) {
3668 if (chroot(chroot_dir) < 0) {
3669 fprintf(stderr, "chroot failed\n");
3670 exit(1);
3671 }
dc330e28
KS		 3672 if (chdir("/")) {
3673 perror("not able to chdir to /");
3674 exit(1);
3675 }
0858532e
AL		 3676 }
3677
3678 if (run_as) {
3679 if (setgid(pwd->pw_gid) < 0) {
3680 fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
3681 exit(1);
3682 }
3683 if (setuid(pwd->pw_uid) < 0) {
3684 fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
3685 exit(1);
3686 }
3687 if (setuid(0) != -1) {
3688 fprintf(stderr, "Dropping privileges failed\n");
3689 exit(1);
3690 }
3691 }
0858532e
AL		 3692
3693 if (daemonize) {
3694 dup2(fd, 0);
3695 dup2(fd, 1);
3696 dup2(fd, 2);
71e3ceb8 3697
0858532e 3698 close(fd);
71e3ceb8 3699 }
b9e82a59 3700#endif
71e3ceb8 3701
8a7ddc38 3702 main_loop();
40c3bac3 3703 quit_timers();
63a01ef8 3704 net_cleanup();
b46a8906 3705
0824d6fc
FB		 3706 return 0;
3707}
Qemu copy for testing