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0824d6fc 1/*
80cabfad 2 * QEMU System Emulator
5fafdf24 3 *
68d0f70e 4 * Copyright (c) 2003-2008 Fabrice Bellard
5fafdf24 5 *
1df912cf
FB
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
0824d6fc 23 */
0824d6fc 24#include <unistd.h>
0824d6fc
FB
25#include <fcntl.h>
26#include <signal.h>
27#include <time.h>
0824d6fc 28#include <errno.h>
67b915a5 29#include <sys/time.h>
c88676f8 30#include <zlib.h>
67b915a5 31
71e72a19 32/* Needed early for CONFIG_BSD etc. */
d40cdb10
BS
33#include "config-host.h"
34
67b915a5 35#ifndef _WIN32
5cea8590 36#include <libgen.h>
0858532e 37#include <pwd.h>
67b915a5 38#include <sys/times.h>
f1510b2c 39#include <sys/wait.h>
67b915a5 40#include <termios.h>
67b915a5 41#include <sys/mman.h>
f1510b2c 42#include <sys/ioctl.h>
24646c7e 43#include <sys/resource.h>
f1510b2c 44#include <sys/socket.h>
c94c8d64 45#include <netinet/in.h>
24646c7e 46#include <net/if.h>
24646c7e 47#include <arpa/inet.h>
9d728e8c 48#include <dirent.h>
7c9d8e07 49#include <netdb.h>
cb4b976b 50#include <sys/select.h>
71e72a19 51#ifdef CONFIG_BSD
7d3505c5 52#include <sys/stat.h>
a167ba50 53#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
7d3505c5 54#include <libutil.h>
24646c7e
BS
55#else
56#include <util.h>
128ab2ff 57#endif
bbe813a2 58#else
223f0d72 59#ifdef __linux__
7d3505c5
FB
60#include <pty.h>
61#include <malloc.h>
1889465a 62#include <sys/prctl.h>
bd494f4c 63
e57a8c0e 64#include <linux/ppdev.h>
5867c88a 65#include <linux/parport.h>
223f0d72
BS
66#endif
67#ifdef __sun__
d5d10bc3
TS
68#include <sys/stat.h>
69#include <sys/ethernet.h>
70#include <sys/sockio.h>
d5d10bc3
TS
71#include <netinet/arp.h>
72#include <netinet/in.h>
73#include <netinet/in_systm.h>
74#include <netinet/ip.h>
75#include <netinet/ip_icmp.h> // must come after ip.h
76#include <netinet/udp.h>
77#include <netinet/tcp.h>
78#include <net/if.h>
79#include <syslog.h>
80#include <stropts.h>
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"
123#include "hw/audiodev.h"
124#include "hw/isa.h"
125#include "hw/baum.h"
126#include "hw/bt.h"
9dd986cc 127#include "hw/watchdog.h"
b6f6e3d3 128#include "hw/smbios.h"
e37630ca 129#include "hw/xen.h"
bd3c948d 130#include "hw/qdev.h"
45a50b16 131#include "hw/loader.h"
5ef4efa4 132#include "bt-host.h"
511d2b14 133#include "net.h"
68ac40d2 134#include "net/slirp.h"
511d2b14
BS
135#include "monitor.h"
136#include "console.h"
137#include "sysemu.h"
138#include "gdbstub.h"
139#include "qemu-timer.h"
140#include "qemu-char.h"
141#include "cache-utils.h"
142#include "block.h"
c163b5ca
LS
143#include "block_int.h"
144#include "block-migration.h"
a718acec 145#include "dma.h"
511d2b14
BS
146#include "audio/audio.h"
147#include "migration.h"
148#include "kvm.h"
149#include "balloon.h"
d3f24367 150#include "qemu-option.h"
7282a033 151#include "qemu-config.h"
e78c48ec 152#include "qemu-objects.h"
511d2b14 153
0824d6fc 154#include "disas.h"
fc01f7e7 155
8a7ddc38 156#include "exec-all.h"
0824d6fc 157
511d2b14
BS
158#include "qemu_socket.h"
159
d918f23e 160#include "slirp/libslirp.h"
511d2b14 161
72cf2d4f
BS
162#include "qemu-queue.h"
163
9dc63a1e
BS
164//#define DEBUG_NET
165//#define DEBUG_SLIRP
330d0414 166
1bfe856e 167#define DEFAULT_RAM_SIZE 128
313aa567 168
98b19252
AS
169#define MAX_VIRTIO_CONSOLES 1
170
5cea8590 171static const char *data_dir;
1192dad8 172const char *bios_name = NULL;
e4bcb14c 173/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
faea38e7 174 to store the VM snapshots */
72cf2d4f
BS
175struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
176struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts);
cb5a7aa8 177enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
993fbfdb 178DisplayType display_type = DT_DEFAULT;
3d11d0eb 179const char* keyboard_layout = NULL;
c227f099 180ram_addr_t ram_size;
c902760f
MT
181const char *mem_path = NULL;
182#ifdef MAP_POPULATE
183int mem_prealloc = 0; /* force preallocation of physical target memory */
184#endif
c4b1fcc0 185int nb_nics;
7c9d8e07 186NICInfo nd_table[MAX_NICS];
8a7ddc38 187int vm_running;
d399f677 188int autostart;
f6503059
AZ
189static int rtc_utc = 1;
190static int rtc_date_offset = -1; /* -1 means no change */
6875204c 191QEMUClock *rtc_clock;
64465297 192int vga_interface_type = VGA_NONE;
d827220b
FB
193#ifdef TARGET_SPARC
194int graphic_width = 1024;
195int graphic_height = 768;
eee0b836 196int graphic_depth = 8;
d827220b 197#else
1bfe856e
FB
198int graphic_width = 800;
199int graphic_height = 600;
e9b137c2 200int graphic_depth = 15;
eee0b836 201#endif
dbed7e40 202static int full_screen = 0;
634a21f6 203#ifdef CONFIG_SDL
dbed7e40 204static int no_frame = 0;
634a21f6 205#endif
667accab 206int no_quit = 0;
8d11df9e 207CharDriverState *serial_hds[MAX_SERIAL_PORTS];
6508fe59 208CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
9ede2fde 209CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
a09db21f
FB
210#ifdef TARGET_I386
211int win2k_install_hack = 0;
73822ec8 212int rtc_td_hack = 0;
a09db21f 213#endif
bb36d470 214int usb_enabled = 0;
1b530a6d 215int singlestep = 0;
6a00d601 216int smp_cpus = 1;
6be68d7e 217int max_cpus = 0;
dc6b1c09
AP
218int smp_cores = 1;
219int smp_threads = 1;
73fc9742 220const char *vnc_display;
6515b203 221int acpi_enabled = 1;
16b29ae1 222int no_hpet = 0;
52ca8d6a 223int fd_bootchk = 1;
d1beab82 224int no_reboot = 0;
b2f76161 225int no_shutdown = 0;
9467cd46 226int cursor_hide = 1;
a171fe39 227int graphic_rotate = 0;
6b35e7bf 228uint8_t irq0override = 1;
b9e82a59 229#ifndef _WIN32
71e3ceb8 230int daemonize = 0;
b9e82a59 231#endif
09aaa160 232const char *watchdog;
9ae02555
TS
233const char *option_rom[MAX_OPTION_ROMS];
234int nb_option_roms;
8e71621f 235int semihosting_enabled = 0;
2b8f2d41
AZ
236#ifdef TARGET_ARM
237int old_param = 0;
238#endif
c35734b2 239const char *qemu_name;
3780e197 240int alt_grab = 0;
0ca9f8a4 241int ctrl_grab = 0;
95efd11c 242#if defined(TARGET_SPARC) || defined(TARGET_PPC)
66508601
BS
243unsigned int nb_prom_envs = 0;
244const char *prom_envs[MAX_PROM_ENVS];
245#endif
95387491 246int boot_menu;
0824d6fc 247
268a362c
AL
248int nb_numa_nodes;
249uint64_t node_mem[MAX_NODES];
250uint64_t node_cpumask[MAX_NODES];
251
ee5605e5
AZ
252static CPUState *cur_cpu;
253static CPUState *next_cpu;
9043b62d 254static QEMUTimer *nographic_timer;
ee5605e5 255
8fcb1b90
BS
256uint8_t qemu_uuid[16];
257
76e30d0f
JK
258static QEMUBootSetHandler *boot_set_handler;
259static void *boot_set_opaque;
260
cc84de95
MT
261#ifdef SIGRTMIN
262#define SIG_IPI (SIGRTMIN+4)
263#else
264#define SIG_IPI SIGUSR1
265#endif
266
998bbd74 267static int default_serial = 1;
6a5e8b0e 268static int default_parallel = 1;
986c5f78 269static int default_virtcon = 1;
abdeed06 270static int default_monitor = 1;
64465297 271static int default_vga = 1;
ac33f8fa
GH
272static int default_floppy = 1;
273static int default_cdrom = 1;
274static int default_sdcard = 1;
998bbd74
GH
275
276static struct {
277 const char *driver;
278 int *flag;
279} default_list[] = {
6a5e8b0e
GH
280 { .driver = "isa-serial", .flag = &default_serial },
281 { .driver = "isa-parallel", .flag = &default_parallel },
d8bcbabf
GH
282 { .driver = "isa-fdc", .flag = &default_floppy },
283 { .driver = "ide-drive", .flag = &default_cdrom },
392ecf54
AS
284 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
285 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
286 { .driver = "virtio-serial", .flag = &default_virtcon },
64465297 287 { .driver = "VGA", .flag = &default_vga },
69fd02ee
GH
288 { .driver = "cirrus-vga", .flag = &default_vga },
289 { .driver = "vmware-svga", .flag = &default_vga },
998bbd74
GH
290};
291
292static int default_driver_check(QemuOpts *opts, void *opaque)
293{
294 const char *driver = qemu_opt_get(opts, "driver");
295 int i;
296
297 if (!driver)
298 return 0;
299 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
300 if (strcmp(default_list[i].driver, driver) != 0)
301 continue;
302 *(default_list[i].flag) = 0;
303 }
304 return 0;
305}
306
0824d6fc 307/***********************************************************/
26aa7d72
FB
308/* x86 ISA bus support */
309
c227f099 310target_phys_addr_t isa_mem_base = 0;
3de388f6 311PicState2 *isa_pic;
0824d6fc 312
0824d6fc 313/***********************************************************/
0824d6fc
FB
314void hw_error(const char *fmt, ...)
315{
316 va_list ap;
6a00d601 317 CPUState *env;
0824d6fc
FB
318
319 va_start(ap, fmt);
320 fprintf(stderr, "qemu: hardware error: ");
321 vfprintf(stderr, fmt, ap);
322 fprintf(stderr, "\n");
6a00d601
FB
323 for(env = first_cpu; env != NULL; env = env->next_cpu) {
324 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
0824d6fc 325#ifdef TARGET_I386
6a00d601 326 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
c45886db 327#else
6a00d601 328 cpu_dump_state(env, stderr, fprintf, 0);
0824d6fc 329#endif
6a00d601 330 }
0824d6fc
FB
331 va_end(ap);
332 abort();
333}
1889465a
AK
334
335static void set_proc_name(const char *s)
336{
6ca8d0fd 337#if defined(__linux__) && defined(PR_SET_NAME)
1889465a
AK
338 char name[16];
339 if (!s)
340 return;
341 name[sizeof(name) - 1] = 0;
342 strncpy(name, s, sizeof(name));
343 /* Could rewrite argv[0] too, but that's a bit more complicated.
344 This simple way is enough for `top'. */
345 prctl(PR_SET_NAME, name);
346#endif
347}
df751fa8
AL
348
349/***************/
350/* ballooning */
351
352static QEMUBalloonEvent *qemu_balloon_event;
353void *qemu_balloon_event_opaque;
354
355void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
356{
357 qemu_balloon_event = func;
358 qemu_balloon_event_opaque = opaque;
359}
360
625a5bef 361int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque)
df751fa8 362{
625a5bef
AL
363 if (qemu_balloon_event) {
364 qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque);
365 return 1;
366 } else {
367 return 0;
368 }
df751fa8
AL
369}
370
625a5bef 371int qemu_balloon_status(MonitorCompletion cb, void *opaque)
df751fa8 372{
625a5bef
AL
373 if (qemu_balloon_event) {
374 qemu_balloon_event(qemu_balloon_event_opaque, 0, cb, opaque);
375 return 1;
376 } else {
377 return 0;
378 }
df751fa8 379}
0824d6fc 380
455204eb 381
8f0056b7
PB
382/***********************************************************/
383/* real time host monotonic timer */
09b26c5e 384
1dce7c3c
FB
385/* compute with 96 bit intermediate result: (a*b)/c */
386uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
0824d6fc 387{
1dce7c3c
FB
388 union {
389 uint64_t ll;
390 struct {
e2542fe2 391#ifdef HOST_WORDS_BIGENDIAN
1dce7c3c
FB
392 uint32_t high, low;
393#else
394 uint32_t low, high;
3b46e624 395#endif
1dce7c3c
FB
396 } l;
397 } u, res;
398 uint64_t rl, rh;
0824d6fc 399
1dce7c3c
FB
400 u.ll = a;
401 rl = (uint64_t)u.l.low * (uint64_t)b;
402 rh = (uint64_t)u.l.high * (uint64_t)b;
403 rh += (rl >> 32);
404 res.l.high = rh / c;
405 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
406 return res.ll;
34865134
FB
407}
408
f6503059
AZ
409/***********************************************************/
410/* host time/date access */
411void qemu_get_timedate(struct tm *tm, int offset)
412{
413 time_t ti;
414 struct tm *ret;
415
416 time(&ti);
417 ti += offset;
418 if (rtc_date_offset == -1) {
419 if (rtc_utc)
420 ret = gmtime(&ti);
421 else
422 ret = localtime(&ti);
423 } else {
424 ti -= rtc_date_offset;
425 ret = gmtime(&ti);
426 }
427
428 memcpy(tm, ret, sizeof(struct tm));
429}
430
431int qemu_timedate_diff(struct tm *tm)
432{
433 time_t seconds;
434
435 if (rtc_date_offset == -1)
436 if (rtc_utc)
437 seconds = mktimegm(tm);
438 else
439 seconds = mktime(tm);
440 else
441 seconds = mktimegm(tm) + rtc_date_offset;
442
443 return seconds - time(NULL);
444}
445
80cd3478
LC
446void rtc_change_mon_event(struct tm *tm)
447{
448 QObject *data;
449
450 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
451 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
452 qobject_decref(data);
453}
454
1ed2fc1f
JK
455static void configure_rtc_date_offset(const char *startdate, int legacy)
456{
457 time_t rtc_start_date;
458 struct tm tm;
459
460 if (!strcmp(startdate, "now") && legacy) {
461 rtc_date_offset = -1;
462 } else {
463 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
464 &tm.tm_year,
465 &tm.tm_mon,
466 &tm.tm_mday,
467 &tm.tm_hour,
468 &tm.tm_min,
469 &tm.tm_sec) == 6) {
470 /* OK */
471 } else if (sscanf(startdate, "%d-%d-%d",
472 &tm.tm_year,
473 &tm.tm_mon,
474 &tm.tm_mday) == 3) {
475 tm.tm_hour = 0;
476 tm.tm_min = 0;
477 tm.tm_sec = 0;
478 } else {
479 goto date_fail;
480 }
481 tm.tm_year -= 1900;
482 tm.tm_mon--;
483 rtc_start_date = mktimegm(&tm);
484 if (rtc_start_date == -1) {
485 date_fail:
486 fprintf(stderr, "Invalid date format. Valid formats are:\n"
487 "'2006-06-17T16:01:21' or '2006-06-17'\n");
488 exit(1);
489 }
490 rtc_date_offset = time(NULL) - rtc_start_date;
491 }
492}
493
494static void configure_rtc(QemuOpts *opts)
495{
496 const char *value;
497
498 value = qemu_opt_get(opts, "base");
499 if (value) {
500 if (!strcmp(value, "utc")) {
501 rtc_utc = 1;
502 } else if (!strcmp(value, "localtime")) {
503 rtc_utc = 0;
504 } else {
505 configure_rtc_date_offset(value, 0);
506 }
507 }
6875204c
JK
508 value = qemu_opt_get(opts, "clock");
509 if (value) {
510 if (!strcmp(value, "host")) {
511 rtc_clock = host_clock;
512 } else if (!strcmp(value, "vm")) {
513 rtc_clock = vm_clock;
514 } else {
515 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
516 exit(1);
517 }
518 }
1ed2fc1f
JK
519#ifdef CONFIG_TARGET_I386
520 value = qemu_opt_get(opts, "driftfix");
521 if (value) {
522 if (!strcmp(buf, "slew")) {
523 rtc_td_hack = 1;
524 } else if (!strcmp(buf, "none")) {
525 rtc_td_hack = 0;
526 } else {
527 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
528 exit(1);
529 }
530 }
531#endif
532}
533
fd1dff4b 534#ifdef _WIN32
fd1dff4b
FB
535static void socket_cleanup(void)
536{
537 WSACleanup();
538}
82c643ff 539
fd1dff4b
FB
540static int socket_init(void)
541{
542 WSADATA Data;
543 int ret, err;
544
545 ret = WSAStartup(MAKEWORD(2,2), &Data);
546 if (ret != 0) {
547 err = WSAGetLastError();
548 fprintf(stderr, "WSAStartup: %d\n", err);
549 return -1;
550 }
551 atexit(socket_cleanup);
552 return 0;
553}
64b7b733
AJ
554#endif
555
1ae26a18
AZ
556/***********************************************************/
557/* Bluetooth support */
558static int nb_hcis;
559static int cur_hci;
560static struct HCIInfo *hci_table[MAX_NICS];
dc72ac14 561
1ae26a18
AZ
562static struct bt_vlan_s {
563 struct bt_scatternet_s net;
564 int id;
565 struct bt_vlan_s *next;
566} *first_bt_vlan;
567
568/* find or alloc a new bluetooth "VLAN" */
674bb261 569static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1ae26a18
AZ
570{
571 struct bt_vlan_s **pvlan, *vlan;
572 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
573 if (vlan->id == id)
574 return &vlan->net;
575 }
576 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
577 vlan->id = id;
578 pvlan = &first_bt_vlan;
579 while (*pvlan != NULL)
580 pvlan = &(*pvlan)->next;
581 *pvlan = vlan;
582 return &vlan->net;
583}
584
585static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
586{
587}
588
589static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
590{
591 return -ENOTSUP;
592}
593
594static struct HCIInfo null_hci = {
595 .cmd_send = null_hci_send,
596 .sco_send = null_hci_send,
597 .acl_send = null_hci_send,
598 .bdaddr_set = null_hci_addr_set,
599};
600
601struct HCIInfo *qemu_next_hci(void)
602{
603 if (cur_hci == nb_hcis)
604 return &null_hci;
605
606 return hci_table[cur_hci++];
607}
608
dc72ac14
AZ
609static struct HCIInfo *hci_init(const char *str)
610{
611 char *endp;
612 struct bt_scatternet_s *vlan = 0;
613
614 if (!strcmp(str, "null"))
615 /* null */
616 return &null_hci;
617 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
618 /* host[:hciN] */
619 return bt_host_hci(str[4] ? str + 5 : "hci0");
620 else if (!strncmp(str, "hci", 3)) {
621 /* hci[,vlan=n] */
622 if (str[3]) {
623 if (!strncmp(str + 3, ",vlan=", 6)) {
624 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
625 if (*endp)
626 vlan = 0;
627 }
628 } else
629 vlan = qemu_find_bt_vlan(0);
630 if (vlan)
631 return bt_new_hci(vlan);
632 }
633
634 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
635
636 return 0;
637}
638
639static int bt_hci_parse(const char *str)
640{
641 struct HCIInfo *hci;
c227f099 642 bdaddr_t bdaddr;
dc72ac14
AZ
643
644 if (nb_hcis >= MAX_NICS) {
645 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
646 return -1;
647 }
648
649 hci = hci_init(str);
650 if (!hci)
651 return -1;
652
653 bdaddr.b[0] = 0x52;
654 bdaddr.b[1] = 0x54;
655 bdaddr.b[2] = 0x00;
656 bdaddr.b[3] = 0x12;
657 bdaddr.b[4] = 0x34;
658 bdaddr.b[5] = 0x56 + nb_hcis;
659 hci->bdaddr_set(hci, bdaddr.b);
660
661 hci_table[nb_hcis++] = hci;
662
663 return 0;
664}
665
666static void bt_vhci_add(int vlan_id)
667{
668 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
669
670 if (!vlan->slave)
671 fprintf(stderr, "qemu: warning: adding a VHCI to "
672 "an empty scatternet %i\n", vlan_id);
673
674 bt_vhci_init(bt_new_hci(vlan));
675}
676
677static struct bt_device_s *bt_device_add(const char *opt)
678{
679 struct bt_scatternet_s *vlan;
680 int vlan_id = 0;
681 char *endp = strstr(opt, ",vlan=");
682 int len = (endp ? endp - opt : strlen(opt)) + 1;
683 char devname[10];
684
685 pstrcpy(devname, MIN(sizeof(devname), len), opt);
686
687 if (endp) {
688 vlan_id = strtol(endp + 6, &endp, 0);
689 if (*endp) {
690 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
691 return 0;
692 }
693 }
694
695 vlan = qemu_find_bt_vlan(vlan_id);
696
697 if (!vlan->slave)
698 fprintf(stderr, "qemu: warning: adding a slave device to "
699 "an empty scatternet %i\n", vlan_id);
700
701 if (!strcmp(devname, "keyboard"))
702 return bt_keyboard_init(vlan);
703
704 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
705 return 0;
706}
707
708static int bt_parse(const char *opt)
709{
710 const char *endp, *p;
711 int vlan;
712
713 if (strstart(opt, "hci", &endp)) {
714 if (!*endp || *endp == ',') {
715 if (*endp)
716 if (!strstart(endp, ",vlan=", 0))
717 opt = endp + 1;
718
719 return bt_hci_parse(opt);
720 }
721 } else if (strstart(opt, "vhci", &endp)) {
722 if (!*endp || *endp == ',') {
723 if (*endp) {
724 if (strstart(endp, ",vlan=", &p)) {
725 vlan = strtol(p, (char **) &endp, 0);
726 if (*endp) {
727 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
728 return 1;
729 }
730 } else {
731 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
732 return 1;
733 }
734 } else
735 vlan = 0;
736
737 bt_vhci_add(vlan);
738 return 0;
739 }
740 } else if (strstart(opt, "device:", &endp))
741 return !bt_device_add(endp);
742
743 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
744 return 1;
745}
746
1ae26a18
AZ
747/***********************************************************/
748/* QEMU Block devices */
749
609497ab 750#define HD_ALIAS "index=%d,media=disk"
e4bcb14c 751#define CDROM_ALIAS "index=2,media=cdrom"
e4bcb14c 752#define FD_ALIAS "index=%d,if=floppy"
609497ab
AZ
753#define PFLASH_ALIAS "if=pflash"
754#define MTD_ALIAS "if=mtd"
9d413d1d 755#define SD_ALIAS "index=0,if=sd"
e4bcb14c 756
9dfd7c7a 757QemuOpts *drive_add(const char *file, const char *fmt, ...)
e4bcb14c
TS
758{
759 va_list ap;
9dfd7c7a
GH
760 char optstr[1024];
761 QemuOpts *opts;
e4bcb14c 762
e4bcb14c 763 va_start(ap, fmt);
9dfd7c7a 764 vsnprintf(optstr, sizeof(optstr), fmt, ap);
e4bcb14c
TS
765 va_end(ap);
766
8212c64f 767 opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
9dfd7c7a
GH
768 if (!opts) {
769 fprintf(stderr, "%s: huh? duplicate? (%s)\n",
770 __FUNCTION__, optstr);
771 return NULL;
772 }
773 if (file)
774 qemu_opt_set(opts, "file", file);
775 return opts;
b01b1111
AL
776}
777
751c6a17 778DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
e4bcb14c 779{
751c6a17 780 DriveInfo *dinfo;
e4bcb14c
TS
781
782 /* seek interface, bus and unit */
783
72cf2d4f 784 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH
785 if (dinfo->type == type &&
786 dinfo->bus == bus &&
787 dinfo->unit == unit)
788 return dinfo;
789 }
e4bcb14c 790
751c6a17 791 return NULL;
e4bcb14c
TS
792}
793
2e810b36 794DriveInfo *drive_get_by_id(const char *id)
1dae12e6
GH
795{
796 DriveInfo *dinfo;
797
72cf2d4f 798 QTAILQ_FOREACH(dinfo, &drives, next) {
1dae12e6
GH
799 if (strcmp(id, dinfo->id))
800 continue;
801 return dinfo;
802 }
803 return NULL;
804}
805
f60d39bc 806int drive_get_max_bus(BlockInterfaceType type)
e4bcb14c
TS
807{
808 int max_bus;
751c6a17 809 DriveInfo *dinfo;
e4bcb14c
TS
810
811 max_bus = -1;
72cf2d4f 812 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH
813 if(dinfo->type == type &&
814 dinfo->bus > max_bus)
815 max_bus = dinfo->bus;
e4bcb14c
TS
816 }
817 return max_bus;
818}
819
fa879c64
AL
820const char *drive_get_serial(BlockDriverState *bdrv)
821{
751c6a17 822 DriveInfo *dinfo;
fa879c64 823
72cf2d4f 824 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17
GH
825 if (dinfo->bdrv == bdrv)
826 return dinfo->serial;
827 }
fa879c64
AL
828
829 return "\0";
830}
831
f7850099
KW
832BlockInterfaceErrorAction drive_get_on_error(
833 BlockDriverState *bdrv, int is_read)
428c5705 834{
751c6a17 835 DriveInfo *dinfo;
428c5705 836
72cf2d4f 837 QTAILQ_FOREACH(dinfo, &drives, next) {
751c6a17 838 if (dinfo->bdrv == bdrv)
e9b2e818 839 return is_read ? dinfo->on_read_error : dinfo->on_write_error;
751c6a17 840 }
428c5705 841
e9b2e818 842 return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC;
428c5705
AL
843}
844
a1620fac
AJ
845static void bdrv_format_print(void *opaque, const char *name)
846{
847 fprintf(stderr, " %s", name);
848}
849
56a14938 850void drive_uninit(DriveInfo *dinfo)
b01b1111 851{
56a14938
GH
852 qemu_opts_del(dinfo->opts);
853 bdrv_delete(dinfo->bdrv);
854 QTAILQ_REMOVE(&drives, dinfo, next);
855 qemu_free(dinfo);
b01b1111
AL
856}
857
e9b2e818
KW
858static int parse_block_error_action(const char *buf, int is_read)
859{
860 if (!strcmp(buf, "ignore")) {
861 return BLOCK_ERR_IGNORE;
862 } else if (!is_read && !strcmp(buf, "enospc")) {
863 return BLOCK_ERR_STOP_ENOSPC;
864 } else if (!strcmp(buf, "stop")) {
865 return BLOCK_ERR_STOP_ANY;
866 } else if (!strcmp(buf, "report")) {
867 return BLOCK_ERR_REPORT;
868 } else {
869 fprintf(stderr, "qemu: '%s' invalid %s error action\n",
870 buf, is_read ? "read" : "write");
871 return -1;
872 }
873}
874
9dfd7c7a 875DriveInfo *drive_init(QemuOpts *opts, void *opaque,
751c6a17 876 int *fatal_error)
e4bcb14c 877{
9dfd7c7a
GH
878 const char *buf;
879 const char *file = NULL;
c8522bdf 880 char devname[128];
9dfd7c7a 881 const char *serial;
c8522bdf 882 const char *mediastr = "";
f60d39bc 883 BlockInterfaceType type;
e4bcb14c
TS
884 enum { MEDIA_DISK, MEDIA_CDROM } media;
885 int bus_id, unit_id;
886 int cyls, heads, secs, translation;
1e72d3b7 887 BlockDriver *drv = NULL;
4d73cd3b 888 QEMUMachine *machine = opaque;
e4bcb14c
TS
889 int max_devs;
890 int index;
33f00271 891 int cache;
5c6c3a6c 892 int aio = 0;
59f2689d 893 int ro = 0;
e9b2e818
KW
894 int bdrv_flags;
895 int on_read_error, on_write_error;
c2cc47a4 896 const char *devaddr;
751c6a17 897 DriveInfo *dinfo;
9dfd7c7a 898 int snapshot = 0;
e4bcb14c 899
9dfd7c7a 900 *fatal_error = 1;
e4bcb14c 901
e4bcb14c 902 translation = BIOS_ATA_TRANSLATION_AUTO;
0aa217e4 903 cache = 1;
e4bcb14c 904
4d007814 905 if (machine && machine->use_scsi) {
f60d39bc 906 type = IF_SCSI;
e4bcb14c 907 max_devs = MAX_SCSI_DEVS;
363a37d5 908 pstrcpy(devname, sizeof(devname), "scsi");
e4bcb14c 909 } else {
f60d39bc 910 type = IF_IDE;
e4bcb14c 911 max_devs = MAX_IDE_DEVS;
363a37d5 912 pstrcpy(devname, sizeof(devname), "ide");
e4bcb14c
TS
913 }
914 media = MEDIA_DISK;
915
916 /* extract parameters */
9dfd7c7a
GH
917 bus_id = qemu_opt_get_number(opts, "bus", 0);
918 unit_id = qemu_opt_get_number(opts, "unit", -1);
919 index = qemu_opt_get_number(opts, "index", -1);
e4bcb14c 920
9dfd7c7a
GH
921 cyls = qemu_opt_get_number(opts, "cyls", 0);
922 heads = qemu_opt_get_number(opts, "heads", 0);
923 secs = qemu_opt_get_number(opts, "secs", 0);
e4bcb14c 924
9dfd7c7a 925 snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
59f2689d 926 ro = qemu_opt_get_bool(opts, "readonly", 0);
e4bcb14c 927
9dfd7c7a
GH
928 file = qemu_opt_get(opts, "file");
929 serial = qemu_opt_get(opts, "serial");
930
931 if ((buf = qemu_opt_get(opts, "if")) != NULL) {
ae45d369 932 pstrcpy(devname, sizeof(devname), buf);
e4bcb14c 933 if (!strcmp(buf, "ide")) {
f60d39bc 934 type = IF_IDE;
e4bcb14c
TS
935 max_devs = MAX_IDE_DEVS;
936 } else if (!strcmp(buf, "scsi")) {
f60d39bc 937 type = IF_SCSI;
e4bcb14c
TS
938 max_devs = MAX_SCSI_DEVS;
939 } else if (!strcmp(buf, "floppy")) {
f60d39bc 940 type = IF_FLOPPY;
e4bcb14c
TS
941 max_devs = 0;
942 } else if (!strcmp(buf, "pflash")) {
f60d39bc 943 type = IF_PFLASH;
e4bcb14c
TS
944 max_devs = 0;
945 } else if (!strcmp(buf, "mtd")) {
f60d39bc 946 type = IF_MTD;
e4bcb14c
TS
947 max_devs = 0;
948 } else if (!strcmp(buf, "sd")) {
f60d39bc 949 type = IF_SD;
e4bcb14c 950 max_devs = 0;
6e02c38d
AL
951 } else if (!strcmp(buf, "virtio")) {
952 type = IF_VIRTIO;
953 max_devs = 0;
62d23efa
AL
954 } else if (!strcmp(buf, "xen")) {
955 type = IF_XEN;
956 max_devs = 0;
a8659e90
GH
957 } else if (!strcmp(buf, "none")) {
958 type = IF_NONE;
959 max_devs = 0;
62d23efa 960 } else {
9dfd7c7a 961 fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
751c6a17 962 return NULL;
e4bcb14c
TS
963 }
964 }
965
e4bcb14c 966 if (cyls || heads || secs) {
5afe3f04 967 if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
9dfd7c7a 968 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
751c6a17 969 return NULL;
e4bcb14c 970 }
5afe3f04 971 if (heads < 1 || (type == IF_IDE && heads > 16)) {
9dfd7c7a 972 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
751c6a17 973 return NULL;
e4bcb14c 974 }
5afe3f04 975 if (secs < 1 || (type == IF_IDE && secs > 63)) {
9dfd7c7a 976 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
751c6a17 977 return NULL;
e4bcb14c
TS
978 }
979 }
980
9dfd7c7a 981 if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
e4bcb14c
TS
982 if (!cyls) {
983 fprintf(stderr,
984 "qemu: '%s' trans must be used with cyls,heads and secs\n",
9dfd7c7a 985 buf);
751c6a17 986 return NULL;
e4bcb14c
TS
987 }
988 if (!strcmp(buf, "none"))
989 translation = BIOS_ATA_TRANSLATION_NONE;
990 else if (!strcmp(buf, "lba"))
991 translation = BIOS_ATA_TRANSLATION_LBA;
992 else if (!strcmp(buf, "auto"))
993 translation = BIOS_ATA_TRANSLATION_AUTO;
994 else {
9dfd7c7a 995 fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
751c6a17 996 return NULL;
e4bcb14c
TS
997 }
998 }
999
9dfd7c7a 1000 if ((buf = qemu_opt_get(opts, "media")) != NULL) {
e4bcb14c
TS
1001 if (!strcmp(buf, "disk")) {
1002 media = MEDIA_DISK;
1003 } else if (!strcmp(buf, "cdrom")) {
1004 if (cyls || secs || heads) {
1005 fprintf(stderr,
9dfd7c7a 1006 "qemu: '%s' invalid physical CHS format\n", buf);
751c6a17 1007 return NULL;
e4bcb14c
TS
1008 }
1009 media = MEDIA_CDROM;
1010 } else {
9dfd7c7a 1011 fprintf(stderr, "qemu: '%s' invalid media\n", buf);
751c6a17 1012 return NULL;
e4bcb14c
TS
1013 }
1014 }
1015
9dfd7c7a 1016 if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
9f7965c7 1017 if (!strcmp(buf, "off") || !strcmp(buf, "none"))
33f00271 1018 cache = 0;
9f7965c7 1019 else if (!strcmp(buf, "writethrough"))
33f00271 1020 cache = 1;
9f7965c7
AL
1021 else if (!strcmp(buf, "writeback"))
1022 cache = 2;
33f00271
AZ
1023 else {
1024 fprintf(stderr, "qemu: invalid cache option\n");
751c6a17 1025 return NULL;
33f00271
AZ
1026 }
1027 }
1028
5c6c3a6c
CH
1029#ifdef CONFIG_LINUX_AIO
1030 if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
1031 if (!strcmp(buf, "threads"))
1032 aio = 0;
1033 else if (!strcmp(buf, "native"))
1034 aio = 1;
1035 else {
1036 fprintf(stderr, "qemu: invalid aio option\n");
1037 return NULL;
1038 }
1039 }
1040#endif
1041
9dfd7c7a 1042 if ((buf = qemu_opt_get(opts, "format")) != NULL) {
a1620fac
AJ
1043 if (strcmp(buf, "?") == 0) {
1044 fprintf(stderr, "qemu: Supported formats:");
1045 bdrv_iterate_format(bdrv_format_print, NULL);
1046 fprintf(stderr, "\n");
751c6a17 1047 return NULL;
a1620fac 1048 }
eb852011 1049 drv = bdrv_find_whitelisted_format(buf);
1e72d3b7
AJ
1050 if (!drv) {
1051 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
751c6a17 1052 return NULL;
1e72d3b7
AJ
1053 }
1054 }
1055
e9b2e818 1056 on_write_error = BLOCK_ERR_STOP_ENOSPC;
9dfd7c7a 1057 if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
869a5c6d 1058 if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
ea8a5d7f 1059 fprintf(stderr, "werror is no supported by this format\n");
751c6a17 1060 return NULL;
428c5705 1061 }
e9b2e818
KW
1062
1063 on_write_error = parse_block_error_action(buf, 0);
1064 if (on_write_error < 0) {
1065 return NULL;
1066 }
1067 }
1068
1069 on_read_error = BLOCK_ERR_REPORT;
1070 if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
f35d68f0 1071 if (type != IF_IDE && type != IF_VIRTIO) {
e9b2e818
KW
1072 fprintf(stderr, "rerror is no supported by this format\n");
1073 return NULL;
1074 }
1075
1076 on_read_error = parse_block_error_action(buf, 1);
1077 if (on_read_error < 0) {
751c6a17 1078 return NULL;
428c5705
AL
1079 }
1080 }
1081
9dfd7c7a 1082 if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
c2cc47a4 1083 if (type != IF_VIRTIO) {
9dfd7c7a 1084 fprintf(stderr, "addr is not supported\n");
751c6a17 1085 return NULL;
c2cc47a4 1086 }
c2cc47a4
MA
1087 }
1088
e4bcb14c
TS
1089 /* compute bus and unit according index */
1090
1091 if (index != -1) {
1092 if (bus_id != 0 || unit_id != -1) {
1093 fprintf(stderr,
9dfd7c7a 1094 "qemu: index cannot be used with bus and unit\n");
751c6a17 1095 return NULL;
e4bcb14c
TS
1096 }
1097 if (max_devs == 0)
1098 {
1099 unit_id = index;
1100 bus_id = 0;
1101 } else {
1102 unit_id = index % max_devs;
1103 bus_id = index / max_devs;
1104 }
1105 }
1106
1107 /* if user doesn't specify a unit_id,
1108 * try to find the first free
1109 */
1110
1111 if (unit_id == -1) {
1112 unit_id = 0;
751c6a17 1113 while (drive_get(type, bus_id, unit_id) != NULL) {
e4bcb14c
TS
1114 unit_id++;
1115 if (max_devs && unit_id >= max_devs) {
1116 unit_id -= max_devs;
1117 bus_id++;
1118 }
1119 }
1120 }
1121
1122 /* check unit id */
1123
1124 if (max_devs && unit_id >= max_devs) {
9dfd7c7a
GH
1125 fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
1126 unit_id, max_devs - 1);
751c6a17 1127 return NULL;
e4bcb14c
TS
1128 }
1129
1130 /*
1131 * ignore multiple definitions
1132 */
1133
751c6a17
GH
1134 if (drive_get(type, bus_id, unit_id) != NULL) {
1135 *fatal_error = 0;
1136 return NULL;
1137 }
e4bcb14c
TS
1138
1139 /* init */
1140
751c6a17 1141 dinfo = qemu_mallocz(sizeof(*dinfo));
e23d9c4d 1142 if ((buf = qemu_opts_id(opts)) != NULL) {
9dfd7c7a
GH
1143 dinfo->id = qemu_strdup(buf);
1144 } else {
1dae12e6 1145 /* no id supplied -> create one */
9dfd7c7a 1146 dinfo->id = qemu_mallocz(32);
1dae12e6
GH
1147 if (type == IF_IDE || type == IF_SCSI)
1148 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
1149 if (max_devs)
9dfd7c7a 1150 snprintf(dinfo->id, 32, "%s%i%s%i",
1dae12e6
GH
1151 devname, bus_id, mediastr, unit_id);
1152 else
9dfd7c7a 1153 snprintf(dinfo->id, 32, "%s%s%i",
1dae12e6
GH
1154 devname, mediastr, unit_id);
1155 }
1dae12e6 1156 dinfo->bdrv = bdrv_new(dinfo->id);
751c6a17
GH
1157 dinfo->devaddr = devaddr;
1158 dinfo->type = type;
1159 dinfo->bus = bus_id;
1160 dinfo->unit = unit_id;
e9b2e818
KW
1161 dinfo->on_read_error = on_read_error;
1162 dinfo->on_write_error = on_write_error;
9dfd7c7a
GH
1163 dinfo->opts = opts;
1164 if (serial)
1165 strncpy(dinfo->serial, serial, sizeof(serial));
72cf2d4f 1166 QTAILQ_INSERT_TAIL(&drives, dinfo, next);
e4bcb14c 1167
f60d39bc 1168 switch(type) {
e4bcb14c
TS
1169 case IF_IDE:
1170 case IF_SCSI:
62d23efa 1171 case IF_XEN:
c219331e 1172 case IF_NONE:
e4bcb14c
TS
1173 switch(media) {
1174 case MEDIA_DISK:
1175 if (cyls != 0) {
1dae12e6
GH
1176 bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
1177 bdrv_set_translation_hint(dinfo->bdrv, translation);
e4bcb14c
TS
1178 }
1179 break;
1180 case MEDIA_CDROM:
1dae12e6 1181 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
e4bcb14c
TS
1182 break;
1183 }
1184 break;
1185 case IF_SD:
1186 /* FIXME: This isn't really a floppy, but it's a reasonable
1187 approximation. */
1188 case IF_FLOPPY:
1dae12e6 1189 bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
e4bcb14c
TS
1190 break;
1191 case IF_PFLASH:
1192 case IF_MTD:
1193 break;
d176c495
GH
1194 case IF_VIRTIO:
1195 /* add virtio block device */
1196 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
1197 qemu_opt_set(opts, "driver", "virtio-blk-pci");
1198 qemu_opt_set(opts, "drive", dinfo->id);
1199 if (devaddr)
1200 qemu_opt_set(opts, "addr", devaddr);
1201 break;
aae9460e
PB
1202 case IF_COUNT:
1203 abort();
e4bcb14c 1204 }
9dfd7c7a 1205 if (!file) {
751c6a17
GH
1206 *fatal_error = 0;
1207 return NULL;
1208 }
33f00271 1209 bdrv_flags = 0;
9f7965c7 1210 if (snapshot) {
33f00271 1211 bdrv_flags |= BDRV_O_SNAPSHOT;
9f7965c7
AL
1212 cache = 2; /* always use write-back with snapshot */
1213 }
1214 if (cache == 0) /* no caching */
1215 bdrv_flags |= BDRV_O_NOCACHE;
1216 else if (cache == 2) /* write-back */
1217 bdrv_flags |= BDRV_O_CACHE_WB;
5c6c3a6c
CH
1218
1219 if (aio == 1) {
1220 bdrv_flags |= BDRV_O_NATIVE_AIO;
1221 } else {
1222 bdrv_flags &= ~BDRV_O_NATIVE_AIO;
1223 }
1224
59f2689d 1225 if (ro == 1) {
f5edb014
NS
1226 if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY) {
1227 fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
59f2689d
NS
1228 return NULL;
1229 }
b196b153
NS
1230 }
1231 /*
1232 * cdrom is read-only. Set it now, after above interface checking
1233 * since readonly attribute not explicitly required, so no error.
1234 */
1235 if (media == MEDIA_CDROM) {
f5edb014 1236 ro = 1;
59f2689d 1237 }
f5edb014 1238 bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
59f2689d 1239
1dae12e6 1240 if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
850810d0
JF
1241 fprintf(stderr, "qemu: could not open disk image %s: %s\n",
1242 file, strerror(errno));
751c6a17 1243 return NULL;
e4bcb14c 1244 }
5c6c3a6c 1245
1dae12e6 1246 if (bdrv_key_required(dinfo->bdrv))
c0f4ce77 1247 autostart = 0;
751c6a17
GH
1248 *fatal_error = 0;
1249 return dinfo;
e4bcb14c
TS
1250}
1251
9dfd7c7a
GH
1252static int drive_init_func(QemuOpts *opts, void *opaque)
1253{
1254 QEMUMachine *machine = opaque;
1255 int fatal_error = 0;
1256
1257 if (drive_init(opts, machine, &fatal_error) == NULL) {
1258 if (fatal_error)
1259 return 1;
1260 }
1261 return 0;
1262}
1263
1264static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1265{
1266 if (NULL == qemu_opt_get(opts, "snapshot")) {
1267 qemu_opt_set(opts, "snapshot", "on");
1268 }
1269 return 0;
1270}
1271
76e30d0f
JK
1272void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1273{
1274 boot_set_handler = func;
1275 boot_set_opaque = opaque;
1276}
1277
1278int qemu_boot_set(const char *boot_devices)
1279{
1280 if (!boot_set_handler) {
1281 return -EINVAL;
1282 }
1283 return boot_set_handler(boot_set_opaque, boot_devices);
1284}
1285
ef3adf68
JK
1286static int parse_bootdevices(char *devices)
1287{
1288 /* We just do some generic consistency checks */
1289 const char *p;
1290 int bitmap = 0;
1291
1292 for (p = devices; *p != '\0'; p++) {
1293 /* Allowed boot devices are:
1294 * a-b: floppy disk drives
1295 * c-f: IDE disk drives
1296 * g-m: machine implementation dependant drives
1297 * n-p: network devices
1298 * It's up to each machine implementation to check if the given boot
1299 * devices match the actual hardware implementation and firmware
1300 * features.
1301 */
1302 if (*p < 'a' || *p > 'p') {
1303 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1304 exit(1);
1305 }
1306 if (bitmap & (1 << (*p - 'a'))) {
1307 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1308 exit(1);
1309 }
1310 bitmap |= 1 << (*p - 'a');
1311 }
1312 return bitmap;
1313}
1314
e0f084bf
JK
1315static void restore_boot_devices(void *opaque)
1316{
1317 char *standard_boot_devices = opaque;
1318
1319 qemu_boot_set(standard_boot_devices);
1320
1321 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
1322 qemu_free(standard_boot_devices);
1323}
1324
268a362c
AL
1325static void numa_add(const char *optarg)
1326{
1327 char option[128];
1328 char *endptr;
1329 unsigned long long value, endvalue;
1330 int nodenr;
1331
1332 optarg = get_opt_name(option, 128, optarg, ',') + 1;
1333 if (!strcmp(option, "node")) {
1334 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1335 nodenr = nb_numa_nodes;
1336 } else {
1337 nodenr = strtoull(option, NULL, 10);
1338 }
1339
1340 if (get_param_value(option, 128, "mem", optarg) == 0) {
1341 node_mem[nodenr] = 0;
1342 } else {
1343 value = strtoull(option, &endptr, 0);
1344 switch (*endptr) {
1345 case 0: case 'M': case 'm':
1346 value <<= 20;
1347 break;
1348 case 'G': case 'g':
1349 value <<= 30;
1350 break;
1351 }
1352 node_mem[nodenr] = value;
1353 }
1354 if (get_param_value(option, 128, "cpus", optarg) == 0) {
1355 node_cpumask[nodenr] = 0;
1356 } else {
1357 value = strtoull(option, &endptr, 10);
1358 if (value >= 64) {
1359 value = 63;
1360 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
1361 } else {
1362 if (*endptr == '-') {
1363 endvalue = strtoull(endptr+1, &endptr, 10);
1364 if (endvalue >= 63) {
1365 endvalue = 62;
1366 fprintf(stderr,
1367 "only 63 CPUs in NUMA mode supported.\n");
1368 }
0dfbd514 1369 value = (2ULL << endvalue) - (1ULL << value);
268a362c 1370 } else {
0dfbd514 1371 value = 1ULL << value;
268a362c
AL
1372 }
1373 }
1374 node_cpumask[nodenr] = value;
1375 }
1376 nb_numa_nodes++;
1377 }
1378 return;
1379}
1380
dc6b1c09
AP
1381static void smp_parse(const char *optarg)
1382{
1383 int smp, sockets = 0, threads = 0, cores = 0;
1384 char *endptr;
1385 char option[128];
1386
1387 smp = strtoul(optarg, &endptr, 10);
1388 if (endptr != optarg) {
1389 if (*endptr == ',') {
1390 endptr++;
1391 }
1392 }
1393 if (get_param_value(option, 128, "sockets", endptr) != 0)
1394 sockets = strtoull(option, NULL, 10);
1395 if (get_param_value(option, 128, "cores", endptr) != 0)
1396 cores = strtoull(option, NULL, 10);
1397 if (get_param_value(option, 128, "threads", endptr) != 0)
1398 threads = strtoull(option, NULL, 10);
1399 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1400 max_cpus = strtoull(option, NULL, 10);
1401
1402 /* compute missing values, prefer sockets over cores over threads */
1403 if (smp == 0 || sockets == 0) {
1404 sockets = sockets > 0 ? sockets : 1;
1405 cores = cores > 0 ? cores : 1;
1406 threads = threads > 0 ? threads : 1;
1407 if (smp == 0) {
1408 smp = cores * threads * sockets;
dc6b1c09
AP
1409 }
1410 } else {
1411 if (cores == 0) {
1412 threads = threads > 0 ? threads : 1;
1413 cores = smp / (sockets * threads);
1414 } else {
5cdc9b76 1415 if (sockets) {
dc6b1c09
AP
1416 threads = smp / (cores * sockets);
1417 }
1418 }
1419 }
1420 smp_cpus = smp;
1421 smp_cores = cores > 0 ? cores : 1;
1422 smp_threads = threads > 0 ? threads : 1;
1423 if (max_cpus == 0)
1424 max_cpus = smp_cpus;
1425}
1426
a594cfbf
FB
1427/***********************************************************/
1428/* USB devices */
1429
c0f4ce77 1430static int usb_device_add(const char *devname, int is_hotplug)
a594cfbf
FB
1431{
1432 const char *p;
a5d2f727 1433 USBDevice *dev = NULL;
a594cfbf 1434
a5d2f727 1435 if (!usb_enabled)
a594cfbf
FB
1436 return -1;
1437
0958b4cc
GH
1438 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1439 dev = usbdevice_create(devname);
1440 if (dev)
1441 goto done;
1442
a5d2f727 1443 /* the other ones */
a594cfbf
FB
1444 if (strstart(devname, "host:", &p)) {
1445 dev = usb_host_device_open(p);
dc72ac14
AZ
1446 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1447 dev = usb_bt_init(devname[2] ? hci_init(p) :
1448 bt_new_hci(qemu_find_bt_vlan(0)));
a594cfbf
FB
1449 } else {
1450 return -1;
1451 }
0d92ed30
PB
1452 if (!dev)
1453 return -1;
1454
a5d2f727 1455done:
a594cfbf
FB
1456 return 0;
1457}
1458
1f3870ab
AL
1459static int usb_device_del(const char *devname)
1460{
1461 int bus_num, addr;
1462 const char *p;
1463
5d0c5750
AL
1464 if (strstart(devname, "host:", &p))
1465 return usb_host_device_close(p);
1466
a5d2f727 1467 if (!usb_enabled)
1f3870ab
AL
1468 return -1;
1469
1470 p = strchr(devname, '.');
1471 if (!p)
1472 return -1;
1473 bus_num = strtoul(devname, NULL, 0);
1474 addr = strtoul(p + 1, NULL, 0);
1475
a5d2f727 1476 return usb_device_delete_addr(bus_num, addr);
1f3870ab
AL
1477}
1478
bd3c948d
GH
1479static int usb_parse(const char *cmdline)
1480{
59d1c1c2
ST
1481 int r;
1482 r = usb_device_add(cmdline, 0);
1483 if (r < 0) {
1484 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1485 }
1486 return r;
bd3c948d
GH
1487}
1488
d54908a5 1489void do_usb_add(Monitor *mon, const QDict *qdict)
a594cfbf 1490{
59d1c1c2
ST
1491 const char *devname = qdict_get_str(qdict, "devname");
1492 if (usb_device_add(devname, 1) < 0) {
1ecda02b 1493 error_report("could not add USB device '%s'", devname);
59d1c1c2 1494 }
a594cfbf
FB
1495}
1496
d54908a5 1497void do_usb_del(Monitor *mon, const QDict *qdict)
a594cfbf 1498{
59d1c1c2
ST
1499 const char *devname = qdict_get_str(qdict, "devname");
1500 if (usb_device_del(devname) < 0) {
1ecda02b 1501 error_report("could not delete USB device '%s'", devname);
59d1c1c2 1502 }
a594cfbf
FB
1503}
1504
201a51fc
AZ
1505/***********************************************************/
1506/* PCMCIA/Cardbus */
1507
1508static struct pcmcia_socket_entry_s {
bc24a225 1509 PCMCIASocket *socket;
201a51fc
AZ
1510 struct pcmcia_socket_entry_s *next;
1511} *pcmcia_sockets = 0;
1512
bc24a225 1513void pcmcia_socket_register(PCMCIASocket *socket)
201a51fc
AZ
1514{
1515 struct pcmcia_socket_entry_s *entry;
1516
1517 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
1518 entry->socket = socket;
1519 entry->next = pcmcia_sockets;
1520 pcmcia_sockets = entry;
1521}
1522
bc24a225 1523void pcmcia_socket_unregister(PCMCIASocket *socket)
201a51fc
AZ
1524{
1525 struct pcmcia_socket_entry_s *entry, **ptr;
1526
1527 ptr = &pcmcia_sockets;
1528 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1529 if (entry->socket == socket) {
1530 *ptr = entry->next;
1531 qemu_free(entry);
1532 }
1533}
1534
376253ec 1535void pcmcia_info(Monitor *mon)
201a51fc
AZ
1536{
1537 struct pcmcia_socket_entry_s *iter;
376253ec 1538
201a51fc 1539 if (!pcmcia_sockets)
376253ec 1540 monitor_printf(mon, "No PCMCIA sockets\n");
201a51fc
AZ
1541
1542 for (iter = pcmcia_sockets; iter; iter = iter->next)
376253ec
AL
1543 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1544 iter->socket->attached ? iter->socket->card_string :
1545 "Empty");
201a51fc
AZ
1546}
1547
2ff89790 1548/***********************************************************/
8a7ddc38 1549/* I/O handling */
0824d6fc 1550
c4b1fcc0
FB
1551typedef struct IOHandlerRecord {
1552 int fd;
7c9d8e07
FB
1553 IOCanRWHandler *fd_read_poll;
1554 IOHandler *fd_read;
1555 IOHandler *fd_write;
cafffd40 1556 int deleted;
c4b1fcc0
FB
1557 void *opaque;
1558 /* temporary data */
1559 struct pollfd *ufd;
31d4ee6c 1560 QLIST_ENTRY(IOHandlerRecord) next;
c4b1fcc0
FB
1561} IOHandlerRecord;
1562
31d4ee6c
JQ
1563static QLIST_HEAD(, IOHandlerRecord) io_handlers =
1564 QLIST_HEAD_INITIALIZER(io_handlers);
1565
c4b1fcc0 1566
7c9d8e07
FB
1567/* XXX: fd_read_poll should be suppressed, but an API change is
1568 necessary in the character devices to suppress fd_can_read(). */
5fafdf24
TS
1569int qemu_set_fd_handler2(int fd,
1570 IOCanRWHandler *fd_read_poll,
1571 IOHandler *fd_read,
1572 IOHandler *fd_write,
7c9d8e07 1573 void *opaque)
c4b1fcc0 1574{
31d4ee6c 1575 IOHandlerRecord *ioh;
c4b1fcc0 1576
7c9d8e07 1577 if (!fd_read && !fd_write) {
31d4ee6c 1578 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07 1579 if (ioh->fd == fd) {
cafffd40 1580 ioh->deleted = 1;
7c9d8e07
FB
1581 break;
1582 }
7c9d8e07
FB
1583 }
1584 } else {
31d4ee6c 1585 QLIST_FOREACH(ioh, &io_handlers, next) {
7c9d8e07
FB
1586 if (ioh->fd == fd)
1587 goto found;
1588 }
1589 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
31d4ee6c 1590 QLIST_INSERT_HEAD(&io_handlers, ioh, next);
7c9d8e07
FB
1591 found:
1592 ioh->fd = fd;
1593 ioh->fd_read_poll = fd_read_poll;
1594 ioh->fd_read = fd_read;
1595 ioh->fd_write = fd_write;
1596 ioh->opaque = opaque;
cafffd40 1597 ioh->deleted = 0;
7c9d8e07 1598 }
c4b1fcc0
FB
1599 return 0;
1600}
1601
5fafdf24
TS
1602int qemu_set_fd_handler(int fd,
1603 IOHandler *fd_read,
1604 IOHandler *fd_write,
7c9d8e07 1605 void *opaque)
8a7ddc38 1606{
7c9d8e07 1607 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
8a7ddc38
FB
1608}
1609
56f3a5d0 1610#ifdef _WIN32
f331110f
FB
1611/***********************************************************/
1612/* Polling handling */
1613
1614typedef struct PollingEntry {
1615 PollingFunc *func;
1616 void *opaque;
1617 struct PollingEntry *next;
1618} PollingEntry;
1619
1620static PollingEntry *first_polling_entry;
1621
1622int qemu_add_polling_cb(PollingFunc *func, void *opaque)
1623{
1624 PollingEntry **ppe, *pe;
1625 pe = qemu_mallocz(sizeof(PollingEntry));
f331110f
FB
1626 pe->func = func;
1627 pe->opaque = opaque;
1628 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
1629 *ppe = pe;
1630 return 0;
1631}
1632
1633void qemu_del_polling_cb(PollingFunc *func, void *opaque)
1634{
1635 PollingEntry **ppe, *pe;
1636 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
1637 pe = *ppe;
1638 if (pe->func == func && pe->opaque == opaque) {
1639 *ppe = pe->next;
1640 qemu_free(pe);
1641 break;
1642 }
1643 }
1644}
1645
a18e524a
FB
1646/***********************************************************/
1647/* Wait objects support */
1648typedef struct WaitObjects {
1649 int num;
1650 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
1651 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
1652 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
1653} WaitObjects;
1654
1655static WaitObjects wait_objects = {0};
3b46e624 1656
a18e524a
FB
1657int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1658{
1659 WaitObjects *w = &wait_objects;
1660
1661 if (w->num >= MAXIMUM_WAIT_OBJECTS)
1662 return -1;
1663 w->events[w->num] = handle;
1664 w->func[w->num] = func;
1665 w->opaque[w->num] = opaque;
1666 w->num++;
1667 return 0;
1668}
1669
1670void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
1671{
1672 int i, found;
1673 WaitObjects *w = &wait_objects;
1674
1675 found = 0;
1676 for (i = 0; i < w->num; i++) {
1677 if (w->events[i] == handle)
1678 found = 1;
1679 if (found) {
1680 w->events[i] = w->events[i + 1];
1681 w->func[i] = w->func[i + 1];
1682 w->opaque[i] = w->opaque[i + 1];
3b46e624 1683 }
a18e524a
FB
1684 }
1685 if (found)
1686 w->num--;
1687}
1688#endif
1689
8a7ddc38
FB
1690/***********************************************************/
1691/* ram save/restore */
1692
94fb0909 1693#define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */
475e4277
AL
1694#define RAM_SAVE_FLAG_COMPRESS 0x02
1695#define RAM_SAVE_FLAG_MEM_SIZE 0x04
1696#define RAM_SAVE_FLAG_PAGE 0x08
1697#define RAM_SAVE_FLAG_EOS 0x10
1698
1699static int is_dup_page(uint8_t *page, uint8_t ch)
8a7ddc38 1700{
475e4277
AL
1701 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
1702 uint32_t *array = (uint32_t *)page;
1703 int i;
3b46e624 1704
475e4277
AL
1705 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
1706 if (array[i] != val)
1707 return 0;
1708 }
1709
1710 return 1;
1711}
1712
1713static int ram_save_block(QEMUFile *f)
1714{
c227f099
AL
1715 static ram_addr_t current_addr = 0;
1716 ram_addr_t saved_addr = current_addr;
1717 ram_addr_t addr = 0;
475e4277
AL
1718 int found = 0;
1719
94a6b54f 1720 while (addr < last_ram_offset) {
475e4277 1721 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
5579c7f3 1722 uint8_t *p;
475e4277
AL
1723
1724 cpu_physical_memory_reset_dirty(current_addr,
1725 current_addr + TARGET_PAGE_SIZE,
1726 MIGRATION_DIRTY_FLAG);
1727
5579c7f3 1728 p = qemu_get_ram_ptr(current_addr);
475e4277 1729
5579c7f3 1730 if (is_dup_page(p, *p)) {
475e4277 1731 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
5579c7f3 1732 qemu_put_byte(f, *p);
475e4277
AL
1733 } else {
1734 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
5579c7f3 1735 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
c88676f8 1736 }
475e4277
AL
1737
1738 found = 1;
1739 break;
c88676f8 1740 }
475e4277 1741 addr += TARGET_PAGE_SIZE;
94a6b54f 1742 current_addr = (saved_addr + addr) % last_ram_offset;
8a7ddc38 1743 }
475e4277
AL
1744
1745 return found;
8a7ddc38
FB
1746}
1747
84307938 1748static uint64_t bytes_transferred;
475e4277 1749
c227f099 1750static ram_addr_t ram_save_remaining(void)
475e4277 1751{
c227f099
AL
1752 ram_addr_t addr;
1753 ram_addr_t count = 0;
475e4277 1754
94a6b54f 1755 for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
475e4277
AL
1756 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
1757 count++;
1758 }
1759
1760 return count;
1761}
1762
9f9e28cd
GC
1763uint64_t ram_bytes_remaining(void)
1764{
1765 return ram_save_remaining() * TARGET_PAGE_SIZE;
1766}
1767
1768uint64_t ram_bytes_transferred(void)
1769{
1770 return bytes_transferred;
1771}
1772
1773uint64_t ram_bytes_total(void)
1774{
1775 return last_ram_offset;
1776}
1777
f327aa0c 1778static int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
475e4277 1779{
c227f099 1780 ram_addr_t addr;
a0a3fd60
GC
1781 uint64_t bytes_transferred_last;
1782 double bwidth = 0;
1783 uint64_t expected_time = 0;
475e4277 1784
4ec7fcc7
JK
1785 if (stage < 0) {
1786 cpu_physical_memory_set_dirty_tracking(0);
1787 return 0;
1788 }
1789
9fa06385 1790 if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
b0a46a33
JK
1791 qemu_file_set_error(f);
1792 return 0;
1793 }
1794
475e4277 1795 if (stage == 1) {
84307938
JK
1796 bytes_transferred = 0;
1797
475e4277 1798 /* Make sure all dirty bits are set */
94a6b54f 1799 for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
475e4277
AL
1800 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
1801 cpu_physical_memory_set_dirty(addr);
1802 }
b0a46a33 1803
475e4277
AL
1804 /* Enable dirty memory tracking */
1805 cpu_physical_memory_set_dirty_tracking(1);
1806
94a6b54f 1807 qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE);
475e4277
AL
1808 }
1809
a0a3fd60 1810 bytes_transferred_last = bytes_transferred;
41c872b6 1811 bwidth = qemu_get_clock_ns(rt_clock);
a0a3fd60 1812
475e4277
AL
1813 while (!qemu_file_rate_limit(f)) {
1814 int ret;
1815
1816 ret = ram_save_block(f);
9f9e28cd 1817 bytes_transferred += ret * TARGET_PAGE_SIZE;
475e4277
AL
1818 if (ret == 0) /* no more blocks */
1819 break;
1820 }
1821
41c872b6 1822 bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
a0a3fd60
GC
1823 bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
1824
1825 /* if we haven't transferred anything this round, force expected_time to a
1826 * a very high value, but without crashing */
1827 if (bwidth == 0)
1828 bwidth = 0.000001;
1829
475e4277 1830 /* try transferring iterative blocks of memory */
475e4277 1831 if (stage == 3) {
475e4277 1832 /* flush all remaining blocks regardless of rate limiting */
9f9e28cd
GC
1833 while (ram_save_block(f) != 0) {
1834 bytes_transferred += TARGET_PAGE_SIZE;
1835 }
8215e914 1836 cpu_physical_memory_set_dirty_tracking(0);
475e4277
AL
1837 }
1838
1839 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
1840
a0a3fd60
GC
1841 expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
1842
1843 return (stage == 2) && (expected_time <= migrate_max_downtime());
475e4277
AL
1844}
1845
475e4277
AL
1846static int ram_load(QEMUFile *f, void *opaque, int version_id)
1847{
c227f099 1848 ram_addr_t addr;
475e4277
AL
1849 int flags;
1850
475e4277
AL
1851 if (version_id != 3)
1852 return -EINVAL;
1853
1854 do {
1855 addr = qemu_get_be64(f);
1856
1857 flags = addr & ~TARGET_PAGE_MASK;
1858 addr &= TARGET_PAGE_MASK;
1859
1860 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
94a6b54f 1861 if (addr != last_ram_offset)
475e4277
AL
1862 return -EINVAL;
1863 }
1864
475e4277
AL
1865 if (flags & RAM_SAVE_FLAG_COMPRESS) {
1866 uint8_t ch = qemu_get_byte(f);
779c6bef
AL
1867 memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
1868#ifndef _WIN32
30868442
AL
1869 if (ch == 0 &&
1870 (!kvm_enabled() || kvm_has_sync_mmu())) {
1871 madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE, MADV_DONTNEED);
779c6bef 1872 }
30868442 1873#endif
9a743e5b 1874 } else if (flags & RAM_SAVE_FLAG_PAGE) {
5579c7f3 1875 qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
9a743e5b
JK
1876 }
1877 if (qemu_file_has_error(f)) {
1878 return -EIO;
1879 }
475e4277
AL
1880 } while (!(flags & RAM_SAVE_FLAG_EOS));
1881
8a7ddc38
FB
1882 return 0;
1883}
1884
9e472e10
AL
1885void qemu_service_io(void)
1886{
d9f75a4e 1887 qemu_notify_event();
9e472e10
AL
1888}
1889
cc1daa40
FB
1890/***********************************************************/
1891/* machine registration */
1892
bdaf78e0 1893static QEMUMachine *first_machine = NULL;
6f338c34 1894QEMUMachine *current_machine = NULL;
cc1daa40
FB
1895
1896int qemu_register_machine(QEMUMachine *m)
1897{
1898 QEMUMachine **pm;
1899 pm = &first_machine;
1900 while (*pm != NULL)
1901 pm = &(*pm)->next;
1902 m->next = NULL;
1903 *pm = m;
1904 return 0;
1905}
1906
9596ebb7 1907static QEMUMachine *find_machine(const char *name)
cc1daa40
FB
1908{
1909 QEMUMachine *m;
1910
1911 for(m = first_machine; m != NULL; m = m->next) {
1912 if (!strcmp(m->name, name))
1913 return m;
3f6599e6
MM
1914 if (m->alias && !strcmp(m->alias, name))
1915 return m;
cc1daa40
FB
1916 }
1917 return NULL;
1918}
1919
0c257437
AL
1920static QEMUMachine *find_default_machine(void)
1921{
1922 QEMUMachine *m;
1923
1924 for(m = first_machine; m != NULL; m = m->next) {
1925 if (m->is_default) {
1926 return m;
1927 }
1928 }
1929 return NULL;
1930}
1931
8a7ddc38
FB
1932/***********************************************************/
1933/* main execution loop */
1934
9596ebb7 1935static void gui_update(void *opaque)
8a7ddc38 1936{
7d957bd8 1937 uint64_t interval = GUI_REFRESH_INTERVAL;
740733bb 1938 DisplayState *ds = opaque;
7d957bd8
AL
1939 DisplayChangeListener *dcl = ds->listeners;
1940
62a2744c 1941 qemu_flush_coalesced_mmio_buffer();
7d957bd8
AL
1942 dpy_refresh(ds);
1943
1944 while (dcl != NULL) {
1945 if (dcl->gui_timer_interval &&
1946 dcl->gui_timer_interval < interval)
1947 interval = dcl->gui_timer_interval;
1948 dcl = dcl->next;
1949 }
1950 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
8a7ddc38
FB
1951}
1952
9043b62d
BS
1953static void nographic_update(void *opaque)
1954{
1955 uint64_t interval = GUI_REFRESH_INTERVAL;
1956
62a2744c 1957 qemu_flush_coalesced_mmio_buffer();
9043b62d
BS
1958 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
1959}
1960
ea375f9a
JK
1961void cpu_synchronize_all_states(void)
1962{
1963 CPUState *cpu;
1964
1965 for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
1966 cpu_synchronize_state(cpu);
1967 }
1968}
1969
1970void cpu_synchronize_all_post_reset(void)
1971{
1972 CPUState *cpu;
1973
1974 for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
1975 cpu_synchronize_post_reset(cpu);
1976 }
1977}
1978
1979void cpu_synchronize_all_post_init(void)
1980{
1981 CPUState *cpu;
1982
1983 for (cpu = first_cpu; cpu; cpu = cpu->next_cpu) {
1984 cpu_synchronize_post_init(cpu);
1985 }
1986}
1987
0bd48850
FB
1988struct vm_change_state_entry {
1989 VMChangeStateHandler *cb;
1990 void *opaque;
72cf2d4f 1991 QLIST_ENTRY (vm_change_state_entry) entries;
0bd48850
FB
1992};
1993
72cf2d4f 1994static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
0bd48850
FB
1995
1996VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1997 void *opaque)
1998{
1999 VMChangeStateEntry *e;
2000
2001 e = qemu_mallocz(sizeof (*e));
0bd48850
FB
2002
2003 e->cb = cb;
2004 e->opaque = opaque;
72cf2d4f 2005 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
0bd48850
FB
2006 return e;
2007}
2008
2009void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
2010{
72cf2d4f 2011 QLIST_REMOVE (e, entries);
0bd48850
FB
2012 qemu_free (e);
2013}
2014
9781e040 2015static void vm_state_notify(int running, int reason)
0bd48850
FB
2016{
2017 VMChangeStateEntry *e;
2018
2019 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
9781e040 2020 e->cb(e->opaque, running, reason);
0bd48850
FB
2021 }
2022}
2023
d6dc3d42
AL
2024static void resume_all_vcpus(void);
2025static void pause_all_vcpus(void);
2026
8a7ddc38
FB
2027void vm_start(void)
2028{
2029 if (!vm_running) {
2030 cpu_enable_ticks();
2031 vm_running = 1;
9781e040 2032 vm_state_notify(1, 0);
d6dc3d42 2033 resume_all_vcpus();
8a7ddc38
FB
2034 }
2035}
2036
bb0c6722
FB
2037/* reset/shutdown handler */
2038
2039typedef struct QEMUResetEntry {
72cf2d4f 2040 QTAILQ_ENTRY(QEMUResetEntry) entry;
bb0c6722
FB
2041 QEMUResetHandler *func;
2042 void *opaque;
bb0c6722
FB
2043} QEMUResetEntry;
2044
72cf2d4f
BS
2045static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
2046 QTAILQ_HEAD_INITIALIZER(reset_handlers);
bb0c6722
FB
2047static int reset_requested;
2048static int shutdown_requested;
3475187d 2049static int powerdown_requested;
e568902a 2050static int debug_requested;
6e29f5da 2051static int vmstop_requested;
bb0c6722 2052
cf7a2fe2
AJ
2053int qemu_shutdown_requested(void)
2054{
2055 int r = shutdown_requested;
2056 shutdown_requested = 0;
2057 return r;
2058}
2059
2060int qemu_reset_requested(void)
2061{
2062 int r = reset_requested;
2063 reset_requested = 0;
2064 return r;
2065}
2066
2067int qemu_powerdown_requested(void)
2068{
2069 int r = powerdown_requested;
2070 powerdown_requested = 0;
2071 return r;
2072}
2073
e568902a
AL
2074static int qemu_debug_requested(void)
2075{
2076 int r = debug_requested;
2077 debug_requested = 0;
2078 return r;
2079}
2080
6e29f5da
AL
2081static int qemu_vmstop_requested(void)
2082{
2083 int r = vmstop_requested;
2084 vmstop_requested = 0;
2085 return r;
2086}
2087
2088static void do_vm_stop(int reason)
2089{
2090 if (vm_running) {
2091 cpu_disable_ticks();
2092 vm_running = 0;
d6dc3d42 2093 pause_all_vcpus();
6e29f5da 2094 vm_state_notify(0, reason);
6b8f8fff 2095 monitor_protocol_event(QEVENT_STOP, NULL);
6e29f5da
AL
2096 }
2097}
2098
a08d4367 2099void qemu_register_reset(QEMUResetHandler *func, void *opaque)
bb0c6722 2100{
55ddfe8e 2101 QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry));
bb0c6722 2102
bb0c6722
FB
2103 re->func = func;
2104 re->opaque = opaque;
72cf2d4f 2105 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
bb0c6722
FB
2106}
2107
dda9b29f 2108void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
bb0c6722
FB
2109{
2110 QEMUResetEntry *re;
2111
72cf2d4f 2112 QTAILQ_FOREACH(re, &reset_handlers, entry) {
dda9b29f 2113 if (re->func == func && re->opaque == opaque) {
72cf2d4f 2114 QTAILQ_REMOVE(&reset_handlers, re, entry);
dda9b29f
JK
2115 qemu_free(re);
2116 return;
2117 }
2118 }
2119}
2120
2121void qemu_system_reset(void)
2122{
2123 QEMUResetEntry *re, *nre;
2124
2125 /* reset all devices */
72cf2d4f 2126 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
bb0c6722
FB
2127 re->func(re->opaque);
2128 }
81d9b784 2129 monitor_protocol_event(QEVENT_RESET, NULL);
ea375f9a 2130 cpu_synchronize_all_post_reset();
bb0c6722
FB
2131}
2132
2133void qemu_system_reset_request(void)
2134{
d1beab82
FB
2135 if (no_reboot) {
2136 shutdown_requested = 1;
2137 } else {
2138 reset_requested = 1;
2139 }
d9f75a4e 2140 qemu_notify_event();
bb0c6722
FB
2141}
2142
2143void qemu_system_shutdown_request(void)
2144{
2145 shutdown_requested = 1;
d9f75a4e 2146 qemu_notify_event();
bb0c6722
FB
2147}
2148
3475187d
FB
2149void qemu_system_powerdown_request(void)
2150{
2151 powerdown_requested = 1;
d9f75a4e
AL
2152 qemu_notify_event();
2153}
2154
16b151c3 2155static int cpu_can_run(CPUState *env)
d9f75a4e 2156{
16b151c3
PB
2157 if (env->stop)
2158 return 0;
2159 if (env->stopped)
2160 return 0;
2161 if (!vm_running)
2162 return 0;
2163 return 1;
2164}
2165
2166static int cpu_has_work(CPUState *env)
2167{
2168 if (env->stop)
2169 return 1;
2170 if (env->stopped)
2171 return 0;
2172 if (!env->halted)
2173 return 1;
2174 if (qemu_cpu_has_work(env))
2175 return 1;
2176 return 0;
2177}
2178
2179static int tcg_has_work(void)
2180{
2181 CPUState *env;
2182
2183 for (env = first_cpu; env != NULL; env = env->next_cpu)
2184 if (cpu_has_work(env))
2185 return 1;
2186 return 0;
bb0c6722
FB
2187}
2188
50317c7f
AL
2189#ifndef _WIN32
2190static int io_thread_fd = -1;
2191
2192static void qemu_event_increment(void)
3fcf7b6b 2193{
f3dfda61
PB
2194 /* Write 8 bytes to be compatible with eventfd. */
2195 static uint64_t val = 1;
dc330e28 2196 ssize_t ret;
50317c7f
AL
2197
2198 if (io_thread_fd == -1)
2199 return;
2200
652ce2d4 2201 do {
f3dfda61 2202 ret = write(io_thread_fd, &val, sizeof(val));
652ce2d4
PB
2203 } while (ret < 0 && errno == EINTR);
2204
2205 /* EAGAIN is fine, a read must be pending. */
2206 if (ret < 0 && errno != EAGAIN) {
dc330e28
KS
2207 fprintf(stderr, "qemu_event_increment: write() filed: %s\n",
2208 strerror(errno));
2209 exit (1);
2210 }
50317c7f
AL
2211}
2212
2213static void qemu_event_read(void *opaque)
2214{
2215 int fd = (unsigned long)opaque;
2216 ssize_t len;
1d0f0d91 2217 char buffer[512];
50317c7f 2218
f3dfda61 2219 /* Drain the notify pipe. For eventfd, only 8 bytes will be read. */
50317c7f 2220 do {
50317c7f 2221 len = read(fd, buffer, sizeof(buffer));
1d0f0d91 2222 } while ((len == -1 && errno == EINTR) || len == sizeof(buffer));
50317c7f
AL
2223}
2224
2225static int qemu_event_init(void)
2226{
2227 int err;
2228 int fds[2];
2229
f3dfda61 2230 err = qemu_eventfd(fds);
50317c7f
AL
2231 if (err == -1)
2232 return -errno;
2233
2234 err = fcntl_setfl(fds[0], O_NONBLOCK);
2235 if (err < 0)
2236 goto fail;
2237
2238 err = fcntl_setfl(fds[1], O_NONBLOCK);
2239 if (err < 0)
2240 goto fail;
2241
2242 qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL,
2243 (void *)(unsigned long)fds[0]);
2244
2245 io_thread_fd = fds[1];
a7e21219
JK
2246 return 0;
2247
50317c7f
AL
2248fail:
2249 close(fds[0]);
2250 close(fds[1]);
2251 return err;
2252}
2253#else
2254HANDLE qemu_event_handle;
2255
2256static void dummy_event_handler(void *opaque)
2257{
2258}
2259
2260static int qemu_event_init(void)
2261{
2262 qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL);
2263 if (!qemu_event_handle) {
20889d4e 2264 fprintf(stderr, "Failed CreateEvent: %ld\n", GetLastError());
50317c7f
AL
2265 return -1;
2266 }
2267 qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL);
3fcf7b6b
AL
2268 return 0;
2269}
2270
50317c7f
AL
2271static void qemu_event_increment(void)
2272{
de1c90cf 2273 if (!SetEvent(qemu_event_handle)) {
20889d4e 2274 fprintf(stderr, "qemu_event_increment: SetEvent failed: %ld\n",
de1c90cf 2275 GetLastError());
2276 exit (1);
2277 }
50317c7f
AL
2278}
2279#endif
2280
d6dc3d42 2281#ifndef CONFIG_IOTHREAD
50317c7f
AL
2282static int qemu_init_main_loop(void)
2283{
2284 return qemu_event_init();
2285}
2286
0bf46a40
AL
2287void qemu_init_vcpu(void *_env)
2288{
2289 CPUState *env = _env;
2290
dc6b1c09
AP
2291 env->nr_cores = smp_cores;
2292 env->nr_threads = smp_threads;
3f7638ec
JD
2293 if (kvm_enabled())
2294 kvm_init_vcpu(env);
0bf46a40
AL
2295 return;
2296}
2297
8edac960
AL
2298int qemu_cpu_self(void *env)
2299{
2300 return 1;
2301}
2302
d6dc3d42
AL
2303static void resume_all_vcpus(void)
2304{
2305}
2306
2307static void pause_all_vcpus(void)
2308{
2309}
2310
8edac960
AL
2311void qemu_cpu_kick(void *env)
2312{
2313 return;
2314}
2315
d6dc3d42
AL
2316void qemu_notify_event(void)
2317{
2318 CPUState *env = cpu_single_env;
2319
7a5e5838 2320 qemu_event_increment ();
d6dc3d42
AL
2321 if (env) {
2322 cpu_exit(env);
4a1418e0 2323 }
1db89e91
PB
2324 if (next_cpu && env != next_cpu) {
2325 cpu_exit(next_cpu);
2326 }
d6dc3d42
AL
2327}
2328
d549db5a
GC
2329void qemu_mutex_lock_iothread(void) {}
2330void qemu_mutex_unlock_iothread(void) {}
4870852c 2331
6e29f5da
AL
2332void vm_stop(int reason)
2333{
2334 do_vm_stop(reason);
2335}
2336
d6dc3d42
AL
2337#else /* CONFIG_IOTHREAD */
2338
2339#include "qemu-thread.h"
2340
2341QemuMutex qemu_global_mutex;
2342static QemuMutex qemu_fair_mutex;
2343
2344static QemuThread io_thread;
2345
2346static QemuThread *tcg_cpu_thread;
2347static QemuCond *tcg_halt_cond;
2348
2349static int qemu_system_ready;
2350/* cpu creation */
2351static QemuCond qemu_cpu_cond;
2352/* system init */
2353static QemuCond qemu_system_cond;
2354static QemuCond qemu_pause_cond;
2355
cc84de95
MT
2356static void tcg_block_io_signals(void);
2357static void kvm_block_io_signals(CPUState *env);
d6dc3d42 2358static void unblock_io_signals(void);
d6dc3d42
AL
2359
2360static int qemu_init_main_loop(void)
2361{
2362 int ret;
2363
2364 ret = qemu_event_init();
2365 if (ret)
2366 return ret;
2367
2368 qemu_cond_init(&qemu_pause_cond);
2369 qemu_mutex_init(&qemu_fair_mutex);
2370 qemu_mutex_init(&qemu_global_mutex);
2371 qemu_mutex_lock(&qemu_global_mutex);
2372
2373 unblock_io_signals();
2374 qemu_thread_self(&io_thread);
2375
2376 return 0;
2377}
2378
fed6c344
MT
2379static void qemu_wait_io_event_common(CPUState *env)
2380{
2381 if (env->stop) {
2382 env->stop = 0;
2383 env->stopped = 1;
2384 qemu_cond_signal(&qemu_pause_cond);
2385 }
2386}
2387
d6dc3d42
AL
2388static void qemu_wait_io_event(CPUState *env)
2389{
2390 while (!tcg_has_work())
2391 qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
2392
2393 qemu_mutex_unlock(&qemu_global_mutex);
2394
2395 /*
2396 * Users of qemu_global_mutex can be starved, having no chance
2397 * to acquire it since this path will get to it first.
2398 * So use another lock to provide fairness.
2399 */
2400 qemu_mutex_lock(&qemu_fair_mutex);
2401 qemu_mutex_unlock(&qemu_fair_mutex);
2402
2403 qemu_mutex_lock(&qemu_global_mutex);
fed6c344
MT
2404 qemu_wait_io_event_common(env);
2405}
2406
cc84de95
MT
2407static void qemu_kvm_eat_signal(CPUState *env, int timeout)
2408{
2409 struct timespec ts;
2410 int r, e;
2411 siginfo_t siginfo;
2412 sigset_t waitset;
2413
2414 ts.tv_sec = timeout / 1000;
2415 ts.tv_nsec = (timeout % 1000) * 1000000;
2416
2417 sigemptyset(&waitset);
2418 sigaddset(&waitset, SIG_IPI);
2419
2420 qemu_mutex_unlock(&qemu_global_mutex);
2421 r = sigtimedwait(&waitset, &siginfo, &ts);
2422 e = errno;
2423 qemu_mutex_lock(&qemu_global_mutex);
2424
2425 if (r == -1 && !(e == EAGAIN || e == EINTR)) {
2426 fprintf(stderr, "sigtimedwait: %s\n", strerror(e));
2427 exit(1);
d6dc3d42
AL
2428 }
2429}
2430
fed6c344
MT
2431static void qemu_kvm_wait_io_event(CPUState *env)
2432{
2433 while (!cpu_has_work(env))
2434 qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
2435
cc84de95 2436 qemu_kvm_eat_signal(env, 0);
fed6c344 2437 qemu_wait_io_event_common(env);
d6dc3d42
AL
2438}
2439
2440static int qemu_cpu_exec(CPUState *env);
2441
2442static void *kvm_cpu_thread_fn(void *arg)
2443{
2444 CPUState *env = arg;
2445
d6dc3d42 2446 qemu_thread_self(env->thread);
321c1cb1
JCD
2447 if (kvm_enabled())
2448 kvm_init_vcpu(env);
d6dc3d42 2449
cc84de95
MT
2450 kvm_block_io_signals(env);
2451
d6dc3d42
AL
2452 /* signal CPU creation */
2453 qemu_mutex_lock(&qemu_global_mutex);
2454 env->created = 1;
2455 qemu_cond_signal(&qemu_cpu_cond);
2456
2457 /* and wait for machine initialization */
2458 while (!qemu_system_ready)
2459 qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
2460
2461 while (1) {
2462 if (cpu_can_run(env))
2463 qemu_cpu_exec(env);
fed6c344 2464 qemu_kvm_wait_io_event(env);
d6dc3d42
AL
2465 }
2466
2467 return NULL;
2468}
2469
d6f4ade2 2470static bool tcg_cpu_exec(void);
d6dc3d42
AL
2471
2472static void *tcg_cpu_thread_fn(void *arg)
2473{
2474 CPUState *env = arg;
2475
cc84de95 2476 tcg_block_io_signals();
d6dc3d42
AL
2477 qemu_thread_self(env->thread);
2478
2479 /* signal CPU creation */
2480 qemu_mutex_lock(&qemu_global_mutex);
2481 for (env = first_cpu; env != NULL; env = env->next_cpu)
2482 env->created = 1;
2483 qemu_cond_signal(&qemu_cpu_cond);
2484
2485 /* and wait for machine initialization */
2486 while (!qemu_system_ready)
2487 qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
2488
2489 while (1) {
2490 tcg_cpu_exec();
2491 qemu_wait_io_event(cur_cpu);
2492 }
2493
2494 return NULL;
2495}
2496
2497void qemu_cpu_kick(void *_env)
2498{
2499 CPUState *env = _env;
2500 qemu_cond_broadcast(env->halt_cond);
2501 if (kvm_enabled())
cc84de95 2502 qemu_thread_signal(env->thread, SIG_IPI);
d6dc3d42
AL
2503}
2504
e5bc201d 2505int qemu_cpu_self(void *_env)
d6dc3d42 2506{
e5bc201d
GC
2507 CPUState *env = _env;
2508 QemuThread this;
2509
2510 qemu_thread_self(&this);
2511
2512 return qemu_thread_equal(&this, env->thread);
d6dc3d42
AL
2513}
2514
2515static void cpu_signal(int sig)
2516{
2517 if (cpu_single_env)
2518 cpu_exit(cpu_single_env);
2519}
2520
cc84de95 2521static void tcg_block_io_signals(void)
d6dc3d42
AL
2522{
2523 sigset_t set;
2524 struct sigaction sigact;
2525
2526 sigemptyset(&set);
2527 sigaddset(&set, SIGUSR2);
2528 sigaddset(&set, SIGIO);
2529 sigaddset(&set, SIGALRM);
adc8c965 2530 sigaddset(&set, SIGCHLD);
d6dc3d42
AL
2531 pthread_sigmask(SIG_BLOCK, &set, NULL);
2532
2533 sigemptyset(&set);
cc84de95 2534 sigaddset(&set, SIG_IPI);
d6dc3d42
AL
2535 pthread_sigmask(SIG_UNBLOCK, &set, NULL);
2536
2537 memset(&sigact, 0, sizeof(sigact));
2538 sigact.sa_handler = cpu_signal;
cc84de95
MT
2539 sigaction(SIG_IPI, &sigact, NULL);
2540}
2541
2542static void dummy_signal(int sig)
2543{
2544}
2545
2546static void kvm_block_io_signals(CPUState *env)
2547{
2548 int r;
2549 sigset_t set;
2550 struct sigaction sigact;
2551
2552 sigemptyset(&set);
2553 sigaddset(&set, SIGUSR2);
2554 sigaddset(&set, SIGIO);
2555 sigaddset(&set, SIGALRM);
2556 sigaddset(&set, SIGCHLD);
2557 sigaddset(&set, SIG_IPI);
2558 pthread_sigmask(SIG_BLOCK, &set, NULL);
2559
2560 pthread_sigmask(SIG_BLOCK, NULL, &set);
2561 sigdelset(&set, SIG_IPI);
2562
2563 memset(&sigact, 0, sizeof(sigact));
2564 sigact.sa_handler = dummy_signal;
2565 sigaction(SIG_IPI, &sigact, NULL);
2566
2567 r = kvm_set_signal_mask(env, &set);
2568 if (r) {
2569 fprintf(stderr, "kvm_set_signal_mask: %s\n", strerror(r));
2570 exit(1);
2571 }
d6dc3d42
AL
2572}
2573
2574static void unblock_io_signals(void)
2575{
2576 sigset_t set;
2577
2578 sigemptyset(&set);
2579 sigaddset(&set, SIGUSR2);
2580 sigaddset(&set, SIGIO);
2581 sigaddset(&set, SIGALRM);
2582 pthread_sigmask(SIG_UNBLOCK, &set, NULL);
2583
2584 sigemptyset(&set);
cc84de95 2585 sigaddset(&set, SIG_IPI);
d6dc3d42
AL
2586 pthread_sigmask(SIG_BLOCK, &set, NULL);
2587}
2588
2589static void qemu_signal_lock(unsigned int msecs)
2590{
2591 qemu_mutex_lock(&qemu_fair_mutex);
2592
2593 while (qemu_mutex_trylock(&qemu_global_mutex)) {
cc84de95 2594 qemu_thread_signal(tcg_cpu_thread, SIG_IPI);
d6dc3d42
AL
2595 if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs))
2596 break;
2597 }
2598 qemu_mutex_unlock(&qemu_fair_mutex);
2599}
2600
d549db5a 2601void qemu_mutex_lock_iothread(void)
d6dc3d42
AL
2602{
2603 if (kvm_enabled()) {
2604 qemu_mutex_lock(&qemu_fair_mutex);
2605 qemu_mutex_lock(&qemu_global_mutex);
2606 qemu_mutex_unlock(&qemu_fair_mutex);
2607 } else
2608 qemu_signal_lock(100);
2609}
2610
d549db5a 2611void qemu_mutex_unlock_iothread(void)
d6dc3d42
AL
2612{
2613 qemu_mutex_unlock(&qemu_global_mutex);
2614}
2615
2616static int all_vcpus_paused(void)
2617{
2618 CPUState *penv = first_cpu;
2619
2620 while (penv) {
2621 if (!penv->stopped)
2622 return 0;
2623 penv = (CPUState *)penv->next_cpu;
2624 }
2625
2626 return 1;
2627}
2628
2629static void pause_all_vcpus(void)
2630{
2631 CPUState *penv = first_cpu;
2632
2633 while (penv) {
2634 penv->stop = 1;
cc84de95 2635 qemu_thread_signal(penv->thread, SIG_IPI);
d6dc3d42
AL
2636 qemu_cpu_kick(penv);
2637 penv = (CPUState *)penv->next_cpu;
2638 }
2639
2640 while (!all_vcpus_paused()) {
2641 qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
2642 penv = first_cpu;
2643 while (penv) {
cc84de95 2644 qemu_thread_signal(penv->thread, SIG_IPI);
d6dc3d42
AL
2645 penv = (CPUState *)penv->next_cpu;
2646 }
2647 }
2648}
2649
2650static void resume_all_vcpus(void)
2651{
2652 CPUState *penv = first_cpu;
2653
2654 while (penv) {
2655 penv->stop = 0;
2656 penv->stopped = 0;
cc84de95 2657 qemu_thread_signal(penv->thread, SIG_IPI);
d6dc3d42
AL
2658 qemu_cpu_kick(penv);
2659 penv = (CPUState *)penv->next_cpu;
2660 }
2661}
2662
2663static void tcg_init_vcpu(void *_env)
2664{
2665 CPUState *env = _env;
2666 /* share a single thread for all cpus with TCG */
2667 if (!tcg_cpu_thread) {
2668 env->thread = qemu_mallocz(sizeof(QemuThread));
2669 env->halt_cond = qemu_mallocz(sizeof(QemuCond));
2670 qemu_cond_init(env->halt_cond);
2671 qemu_thread_create(env->thread, tcg_cpu_thread_fn, env);
2672 while (env->created == 0)
2673 qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
2674 tcg_cpu_thread = env->thread;
2675 tcg_halt_cond = env->halt_cond;
2676 } else {
2677 env->thread = tcg_cpu_thread;
2678 env->halt_cond = tcg_halt_cond;
2679 }
2680}
2681
2682static void kvm_start_vcpu(CPUState *env)
2683{
d6dc3d42
AL
2684 env->thread = qemu_mallocz(sizeof(QemuThread));
2685 env->halt_cond = qemu_mallocz(sizeof(QemuCond));
2686 qemu_cond_init(env->halt_cond);
2687 qemu_thread_create(env->thread, kvm_cpu_thread_fn, env);
2688 while (env->created == 0)
2689 qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
2690}
2691
2692void qemu_init_vcpu(void *_env)
2693{
2694 CPUState *env = _env;
2695
3f7638ec
JD
2696 env->nr_cores = smp_cores;
2697 env->nr_threads = smp_threads;
d6dc3d42
AL
2698 if (kvm_enabled())
2699 kvm_start_vcpu(env);
2700 else
2701 tcg_init_vcpu(env);
2702}
2703
2704void qemu_notify_event(void)
2705{
2706 qemu_event_increment();
2707}
2708
16b151c3
PB
2709static void qemu_system_vmstop_request(int reason)
2710{
2711 vmstop_requested = reason;
2712 qemu_notify_event();
2713}
2714
d6dc3d42
AL
2715void vm_stop(int reason)
2716{
2717 QemuThread me;
2718 qemu_thread_self(&me);
2719
2720 if (!qemu_thread_equal(&me, &io_thread)) {
2721 qemu_system_vmstop_request(reason);
2722 /*
2723 * FIXME: should not return to device code in case
2724 * vm_stop() has been requested.
2725 */
2726 if (cpu_single_env) {
2727 cpu_exit(cpu_single_env);
2728 cpu_single_env->stop = 1;
2729 }
2730 return;
2731 }
2732 do_vm_stop(reason);
2733}
2734
2735#endif
2736
2737
877cf882 2738#ifdef _WIN32
69d6451c 2739static void host_main_loop_wait(int *timeout)
56f3a5d0
AL
2740{
2741 int ret, ret2, i;
f331110f
FB
2742 PollingEntry *pe;
2743
c4b1fcc0 2744
f331110f
FB
2745 /* XXX: need to suppress polling by better using win32 events */
2746 ret = 0;
2747 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
2748 ret |= pe->func(pe->opaque);
2749 }
e6b1e558 2750 if (ret == 0) {
a18e524a
FB
2751 int err;
2752 WaitObjects *w = &wait_objects;
3b46e624 2753
56f3a5d0 2754 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
a18e524a
FB
2755 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
2756 if (w->func[ret - WAIT_OBJECT_0])
2757 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
3b46e624 2758
5fafdf24 2759 /* Check for additional signaled events */
e6b1e558 2760 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
3b46e624 2761
e6b1e558
TS
2762 /* Check if event is signaled */
2763 ret2 = WaitForSingleObject(w->events[i], 0);
2764 if(ret2 == WAIT_OBJECT_0) {
2765 if (w->func[i])
2766 w->func[i](w->opaque[i]);
2767 } else if (ret2 == WAIT_TIMEOUT) {
2768 } else {
2769 err = GetLastError();
2770 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
3b46e624
TS
2771 }
2772 }
a18e524a
FB
2773 } else if (ret == WAIT_TIMEOUT) {
2774 } else {
2775 err = GetLastError();
e6b1e558 2776 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
a18e524a 2777 }
f331110f 2778 }
56f3a5d0
AL
2779
2780 *timeout = 0;
2781}
2782#else
69d6451c 2783static void host_main_loop_wait(int *timeout)
56f3a5d0
AL
2784{
2785}
fd1dff4b 2786#endif
56f3a5d0 2787
d6f4ade2 2788void main_loop_wait(int nonblocking)
56f3a5d0
AL
2789{
2790 IOHandlerRecord *ioh;
2791 fd_set rfds, wfds, xfds;
2792 int ret, nfds;
2793 struct timeval tv;
d6f4ade2 2794 int timeout;
56f3a5d0 2795
d6f4ade2
PB
2796 if (nonblocking)
2797 timeout = 0;
2798 else {
2799 timeout = qemu_calculate_timeout();
2800 qemu_bh_update_timeout(&timeout);
2801 }
56f3a5d0
AL
2802
2803 host_main_loop_wait(&timeout);
2804
fd1dff4b
FB
2805 /* poll any events */
2806 /* XXX: separate device handlers from system ones */
6abfbd79 2807 nfds = -1;
fd1dff4b
FB
2808 FD_ZERO(&rfds);
2809 FD_ZERO(&wfds);
e035649e 2810 FD_ZERO(&xfds);
31d4ee6c 2811 QLIST_FOREACH(ioh, &io_handlers, next) {
cafffd40
TS
2812 if (ioh->deleted)
2813 continue;
fd1dff4b
FB
2814 if (ioh->fd_read &&
2815 (!ioh->fd_read_poll ||
2816 ioh->fd_read_poll(ioh->opaque) != 0)) {
2817 FD_SET(ioh->fd, &rfds);
2818 if (ioh->fd > nfds)
2819 nfds = ioh->fd;
2820 }
2821 if (ioh->fd_write) {
2822 FD_SET(ioh->fd, &wfds);
2823 if (ioh->fd > nfds)
2824 nfds = ioh->fd;
2825 }
2826 }
3b46e624 2827
56f3a5d0
AL
2828 tv.tv_sec = timeout / 1000;
2829 tv.tv_usec = (timeout % 1000) * 1000;
2830
d918f23e
JK
2831 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
2832
4870852c 2833 qemu_mutex_unlock_iothread();
e035649e 2834 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
4870852c 2835 qemu_mutex_lock_iothread();
fd1dff4b 2836 if (ret > 0) {
31d4ee6c 2837 IOHandlerRecord *pioh;
cafffd40 2838
31d4ee6c 2839 QLIST_FOREACH(ioh, &io_handlers, next) {
6ab43fdc 2840 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
fd1dff4b 2841 ioh->fd_read(ioh->opaque);
7c9d8e07 2842 }
6ab43fdc 2843 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
fd1dff4b 2844 ioh->fd_write(ioh->opaque);
c4b1fcc0 2845 }
b4608c04 2846 }
cafffd40
TS
2847
2848 /* remove deleted IO handlers */
31d4ee6c 2849 QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) {
cafffd40 2850 if (ioh->deleted) {
31d4ee6c 2851 QLIST_REMOVE(ioh, next);
cafffd40 2852 qemu_free(ioh);
31d4ee6c 2853 }
cafffd40 2854 }
fd1dff4b 2855 }
d918f23e
JK
2856
2857 slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0));
b4608c04 2858
b6964827 2859 qemu_run_all_timers();
21d5d12b 2860
423f0742
PB
2861 /* Check bottom-halves last in case any of the earlier events triggered
2862 them. */
2863 qemu_bh_poll();
3b46e624 2864
5905b2e5
FB
2865}
2866
43b96858 2867static int qemu_cpu_exec(CPUState *env)
5905b2e5 2868{
43b96858 2869 int ret;
89bfc105
FB
2870#ifdef CONFIG_PROFILER
2871 int64_t ti;
2872#endif
5905b2e5 2873
89bfc105 2874#ifdef CONFIG_PROFILER
43b96858 2875 ti = profile_getclock();
89bfc105 2876#endif
43b96858
AL
2877 if (use_icount) {
2878 int64_t count;
2879 int decr;
2880 qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
2881 env->icount_decr.u16.low = 0;
2882 env->icount_extra = 0;
e2a7bb4b 2883 count = qemu_icount_round (qemu_next_deadline());
43b96858
AL
2884 qemu_icount += count;
2885 decr = (count > 0xffff) ? 0xffff : count;
2886 count -= decr;
2887 env->icount_decr.u16.low = decr;
2888 env->icount_extra = count;
2889 }
2890 ret = cpu_exec(env);
89bfc105 2891#ifdef CONFIG_PROFILER
43b96858 2892 qemu_time += profile_getclock() - ti;
89bfc105 2893#endif
43b96858
AL
2894 if (use_icount) {
2895 /* Fold pending instructions back into the
2896 instruction counter, and clear the interrupt flag. */
2897 qemu_icount -= (env->icount_decr.u16.low
2898 + env->icount_extra);
2899 env->icount_decr.u32 = 0;
2900 env->icount_extra = 0;
2901 }
2902 return ret;
2903}
2904
d6f4ade2 2905static bool tcg_cpu_exec(void)
e6e35b1e 2906{
d6dc3d42 2907 int ret = 0;
e6e35b1e
AL
2908
2909 if (next_cpu == NULL)
2910 next_cpu = first_cpu;
2911 for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) {
2912 CPUState *env = cur_cpu = next_cpu;
2913
972abbe0
PB
2914 qemu_clock_enable(vm_clock,
2915 (cur_cpu->singlestep_enabled & SSTEP_NOTIMER) == 0);
2916
63255043 2917 if (qemu_alarm_pending())
e6e35b1e 2918 break;
d6dc3d42
AL
2919 if (cpu_can_run(env))
2920 ret = qemu_cpu_exec(env);
c37cc7b0
MT
2921 else if (env->stop)
2922 break;
2923
e6e35b1e
AL
2924 if (ret == EXCP_DEBUG) {
2925 gdb_set_stop_cpu(env);
2926 debug_requested = 1;
2927 break;
2928 }
2929 }
d6f4ade2 2930 return tcg_has_work();
e6e35b1e
AL
2931}
2932
43b96858
AL
2933static int vm_can_run(void)
2934{
2935 if (powerdown_requested)
2936 return 0;
2937 if (reset_requested)
2938 return 0;
2939 if (shutdown_requested)
2940 return 0;
e568902a
AL
2941 if (debug_requested)
2942 return 0;
43b96858
AL
2943 return 1;
2944}
2945
d9c32310
BS
2946qemu_irq qemu_system_powerdown;
2947
43b96858
AL
2948static void main_loop(void)
2949{
6e29f5da 2950 int r;
e6e35b1e 2951
d6dc3d42
AL
2952#ifdef CONFIG_IOTHREAD
2953 qemu_system_ready = 1;
2954 qemu_cond_broadcast(&qemu_system_cond);
2955#endif
2956
6e29f5da 2957 for (;;) {
43b96858 2958 do {
d6f4ade2 2959 bool nonblocking = false;
e6e35b1e
AL
2960#ifdef CONFIG_PROFILER
2961 int64_t ti;
2962#endif
d6dc3d42 2963#ifndef CONFIG_IOTHREAD
d6f4ade2 2964 nonblocking = tcg_cpu_exec();
d6dc3d42 2965#endif
89bfc105 2966#ifdef CONFIG_PROFILER
43b96858 2967 ti = profile_getclock();
89bfc105 2968#endif
d6f4ade2 2969 main_loop_wait(nonblocking);
89bfc105 2970#ifdef CONFIG_PROFILER
43b96858 2971 dev_time += profile_getclock() - ti;
89bfc105 2972#endif
e568902a 2973 } while (vm_can_run());
43b96858 2974
b1a15e7e 2975 if (qemu_debug_requested()) {
e568902a 2976 vm_stop(EXCP_DEBUG);
b1a15e7e 2977 }
43b96858 2978 if (qemu_shutdown_requested()) {
242cd003 2979 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
43b96858
AL
2980 if (no_shutdown) {
2981 vm_stop(0);
2982 no_shutdown = 0;
2983 } else
2984 break;
2985 }
d6dc3d42
AL
2986 if (qemu_reset_requested()) {
2987 pause_all_vcpus();
43b96858 2988 qemu_system_reset();
d6dc3d42
AL
2989 resume_all_vcpus();
2990 }
d9c32310 2991 if (qemu_powerdown_requested()) {
242cd003 2992 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
d9c32310
BS
2993 qemu_irq_raise(qemu_system_powerdown);
2994 }
b1a15e7e 2995 if ((r = qemu_vmstop_requested())) {
6e29f5da 2996 vm_stop(r);
b1a15e7e 2997 }
b4608c04 2998 }
d6dc3d42 2999 pause_all_vcpus();
b4608c04
FB
3000}
3001
9bd7e6d9
PB
3002static void version(void)
3003{
4a19f1ec 3004 printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
9bd7e6d9
PB
3005}
3006
15f82208 3007static void help(int exitcode)
0824d6fc 3008{
e8105ebb 3009 const char *options_help =
5824d651
BS
3010#define DEF(option, opt_arg, opt_enum, opt_help) \
3011 opt_help
3012#define DEFHEADING(text) stringify(text) "\n"
3013#include "qemu-options.h"
3014#undef DEF
3015#undef DEFHEADING
3016#undef GEN_DOCS
e8105ebb
PB
3017 ;
3018 version();
3019 printf("usage: %s [options] [disk_image]\n"
3020 "\n"
3021 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
3f020d70 3022 "\n"
e8105ebb 3023 "%s\n"
3f020d70 3024 "During emulation, the following keys are useful:\n"
3025 "ctrl-alt-f toggle full screen\n"
3026 "ctrl-alt-n switch to virtual console 'n'\n"
3027 "ctrl-alt toggle mouse and keyboard grab\n"
3028 "\n"
e8105ebb
PB
3029 "When using -nographic, press 'ctrl-a h' to get some help.\n",
3030 "qemu",
3031 options_help);
15f82208 3032 exit(exitcode);
0824d6fc
FB
3033}
3034
cd6f1169
FB
3035#define HAS_ARG 0x0001
3036
3037enum {
5824d651
BS
3038#define DEF(option, opt_arg, opt_enum, opt_help) \
3039 opt_enum,
3040#define DEFHEADING(text)
3041#include "qemu-options.h"
3042#undef DEF
3043#undef DEFHEADING
3044#undef GEN_DOCS
cd6f1169
FB
3045};
3046
3047typedef struct QEMUOption {
3048 const char *name;
3049 int flags;
3050 int index;
3051} QEMUOption;
3052
dbed7e40 3053static const QEMUOption qemu_options[] = {
cd6f1169 3054 { "h", 0, QEMU_OPTION_h },
5824d651
BS
3055#define DEF(option, opt_arg, opt_enum, opt_help) \
3056 { option, opt_arg, opt_enum },
3057#define DEFHEADING(text)
3058#include "qemu-options.h"
3059#undef DEF
3060#undef DEFHEADING
3061#undef GEN_DOCS
cd6f1169 3062 { NULL },
fc01f7e7
FB
3063};
3064
1d14ffa9 3065#ifdef HAS_AUDIO
6a36d84e 3066struct soundhw soundhw[] = {
b00052e4 3067#ifdef HAS_AUDIO_CHOICE
4ce7ff6e 3068#if defined(TARGET_I386) || defined(TARGET_MIPS)
fd06c375
FB
3069 {
3070 "pcspk",
3071 "PC speaker",
3072 0,
3073 1,
3074 { .init_isa = pcspk_audio_init }
3075 },
3076#endif
4c9b53e3 3077
3078#ifdef CONFIG_SB16
6a36d84e
FB
3079 {
3080 "sb16",
3081 "Creative Sound Blaster 16",
3082 0,
3083 1,
3084 { .init_isa = SB16_init }
3085 },
4c9b53e3 3086#endif
6a36d84e 3087
cc53d26d 3088#ifdef CONFIG_CS4231A
3089 {
3090 "cs4231a",
3091 "CS4231A",
3092 0,
3093 1,
3094 { .init_isa = cs4231a_init }
3095 },
3096#endif
3097
1d14ffa9 3098#ifdef CONFIG_ADLIB
6a36d84e
FB
3099 {
3100 "adlib",
1d14ffa9 3101#ifdef HAS_YMF262
6a36d84e 3102 "Yamaha YMF262 (OPL3)",
1d14ffa9 3103#else
6a36d84e 3104 "Yamaha YM3812 (OPL2)",
1d14ffa9 3105#endif
6a36d84e
FB
3106 0,
3107 1,
3108 { .init_isa = Adlib_init }
3109 },
1d14ffa9 3110#endif
6a36d84e 3111
1d14ffa9 3112#ifdef CONFIG_GUS
6a36d84e
FB
3113 {
3114 "gus",
3115 "Gravis Ultrasound GF1",
3116 0,
3117 1,
3118 { .init_isa = GUS_init }
3119 },
1d14ffa9 3120#endif
6a36d84e 3121
4c9b53e3 3122#ifdef CONFIG_AC97
e5c9a13e
AZ
3123 {
3124 "ac97",
3125 "Intel 82801AA AC97 Audio",
3126 0,
3127 0,
3128 { .init_pci = ac97_init }
3129 },
4c9b53e3 3130#endif
e5c9a13e 3131
4c9b53e3 3132#ifdef CONFIG_ES1370
6a36d84e
FB
3133 {
3134 "es1370",
3135 "ENSONIQ AudioPCI ES1370",
3136 0,
3137 0,
3138 { .init_pci = es1370_init }
3139 },
b00052e4 3140#endif
6a36d84e 3141
4c9b53e3 3142#endif /* HAS_AUDIO_CHOICE */
3143
6a36d84e
FB
3144 { NULL, NULL, 0, 0, { NULL } }
3145};
3146
3147static void select_soundhw (const char *optarg)
3148{
3149 struct soundhw *c;
3150
3151 if (*optarg == '?') {
3152 show_valid_cards:
3153
3154 printf ("Valid sound card names (comma separated):\n");
3155 for (c = soundhw; c->name; ++c) {
3156 printf ("%-11s %s\n", c->name, c->descr);
3157 }
3158 printf ("\n-soundhw all will enable all of the above\n");
1d14ffa9
FB
3159 exit (*optarg != '?');
3160 }
3161 else {
6a36d84e 3162 size_t l;
1d14ffa9
FB
3163 const char *p;
3164 char *e;
3165 int bad_card = 0;
3166
6a36d84e
FB
3167 if (!strcmp (optarg, "all")) {
3168 for (c = soundhw; c->name; ++c) {
3169 c->enabled = 1;
3170 }
3171 return;
3172 }
1d14ffa9 3173
6a36d84e 3174 p = optarg;
1d14ffa9
FB
3175 while (*p) {
3176 e = strchr (p, ',');
3177 l = !e ? strlen (p) : (size_t) (e - p);
6a36d84e
FB
3178
3179 for (c = soundhw; c->name; ++c) {
b3d6fb4a 3180 if (!strncmp (c->name, p, l) && !c->name[l]) {
6a36d84e 3181 c->enabled = 1;
1d14ffa9
FB
3182 break;
3183 }
3184 }
6a36d84e
FB
3185
3186 if (!c->name) {
1d14ffa9
FB
3187 if (l > 80) {
3188 fprintf (stderr,
3189 "Unknown sound card name (too big to show)\n");
3190 }
3191 else {
3192 fprintf (stderr, "Unknown sound card name `%.*s'\n",
3193 (int) l, p);
3194 }
3195 bad_card = 1;
3196 }
3197 p += l + (e != NULL);
3198 }
3199
3200 if (bad_card)
3201 goto show_valid_cards;
3202 }
3203}
3204#endif
3205
3893c124 3206static void select_vgahw (const char *p)
3207{
3208 const char *opts;
3209
64465297 3210 default_vga = 0;
86176759 3211 vga_interface_type = VGA_NONE;
3893c124 3212 if (strstart(p, "std", &opts)) {
86176759 3213 vga_interface_type = VGA_STD;
3893c124 3214 } else if (strstart(p, "cirrus", &opts)) {
86176759 3215 vga_interface_type = VGA_CIRRUS;
3893c124 3216 } else if (strstart(p, "vmware", &opts)) {
86176759 3217 vga_interface_type = VGA_VMWARE;
94909d9f 3218 } else if (strstart(p, "xenfb", &opts)) {
86176759 3219 vga_interface_type = VGA_XENFB;
28b85ed8 3220 } else if (!strstart(p, "none", &opts)) {
3893c124 3221 invalid_vga:
3222 fprintf(stderr, "Unknown vga type: %s\n", p);
3223 exit(1);
3224 }
cb5a7aa8 3225 while (*opts) {
3226 const char *nextopt;
3227
3228 if (strstart(opts, ",retrace=", &nextopt)) {
3229 opts = nextopt;
3230 if (strstart(opts, "dumb", &nextopt))
3231 vga_retrace_method = VGA_RETRACE_DUMB;
3232 else if (strstart(opts, "precise", &nextopt))
3233 vga_retrace_method = VGA_RETRACE_PRECISE;
3234 else goto invalid_vga;
3235 } else goto invalid_vga;
3236 opts = nextopt;
3237 }
3893c124 3238}
3239
7d4c3d53
MA
3240#ifdef TARGET_I386
3241static int balloon_parse(const char *arg)
3242{
382f0743 3243 QemuOpts *opts;
7d4c3d53 3244
382f0743
GH
3245 if (strcmp(arg, "none") == 0) {
3246 return 0;
3247 }
3248
3249 if (!strncmp(arg, "virtio", 6)) {
3250 if (arg[6] == ',') {
3251 /* have params -> parse them */
8212c64f 3252 opts = qemu_opts_parse(&qemu_device_opts, arg+7, 0);
382f0743
GH
3253 if (!opts)
3254 return -1;
3255 } else {
3256 /* create empty opts */
3257 opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
7d4c3d53 3258 }
382f0743
GH
3259 qemu_opt_set(opts, "driver", "virtio-balloon-pci");
3260 return 0;
7d4c3d53 3261 }
382f0743
GH
3262
3263 return -1;
7d4c3d53
MA
3264}
3265#endif
3266
3587d7e6
FB
3267#ifdef _WIN32
3268static BOOL WINAPI qemu_ctrl_handler(DWORD type)
3269{
3270 exit(STATUS_CONTROL_C_EXIT);
3271 return TRUE;
3272}
3273#endif
3274
c4be29ff 3275int qemu_uuid_parse(const char *str, uint8_t *uuid)
8fcb1b90
BS
3276{
3277 int ret;
3278
3279 if(strlen(str) != 36)
3280 return -1;
3281
3282 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
3283 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
3284 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
3285
3286 if(ret != 16)
3287 return -1;
3288
b6f6e3d3
AL
3289#ifdef TARGET_I386
3290 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
3291#endif
3292
8fcb1b90
BS
3293 return 0;
3294}
3295
5b08fc10
AL
3296#ifndef _WIN32
3297
3298static void termsig_handler(int signal)
3299{
3300 qemu_system_shutdown_request();
3301}
3302
7c3370d4
JK
3303static void sigchld_handler(int signal)
3304{
3305 waitpid(-1, NULL, WNOHANG);
3306}
3307
3308static void sighandler_setup(void)
5b08fc10
AL
3309{
3310 struct sigaction act;
3311
3312 memset(&act, 0, sizeof(act));
3313 act.sa_handler = termsig_handler;
3314 sigaction(SIGINT, &act, NULL);
3315 sigaction(SIGHUP, &act, NULL);
3316 sigaction(SIGTERM, &act, NULL);
7c3370d4
JK
3317
3318 act.sa_handler = sigchld_handler;
3319 act.sa_flags = SA_NOCLDSTOP;
3320 sigaction(SIGCHLD, &act, NULL);
5b08fc10
AL
3321}
3322
3323#endif
3324
5cea8590
PB
3325#ifdef _WIN32
3326/* Look for support files in the same directory as the executable. */
3327static char *find_datadir(const char *argv0)
3328{
3329 char *p;
3330 char buf[MAX_PATH];
3331 DWORD len;
3332
3333 len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
3334 if (len == 0) {
c5947808 3335 return NULL;
5cea8590
PB
3336 }
3337
3338 buf[len] = 0;
3339 p = buf + len - 1;
3340 while (p != buf && *p != '\\')
3341 p--;
3342 *p = 0;
3343 if (access(buf, R_OK) == 0) {
3344 return qemu_strdup(buf);
3345 }
3346 return NULL;
3347}
3348#else /* !_WIN32 */
3349
3350/* Find a likely location for support files using the location of the binary.
3351 For installed binaries this will be "$bindir/../share/qemu". When
3352 running from the build tree this will be "$bindir/../pc-bios". */
3353#define SHARE_SUFFIX "/share/qemu"
3354#define BUILD_SUFFIX "/pc-bios"
3355static char *find_datadir(const char *argv0)
3356{
3357 char *dir;
3358 char *p = NULL;
3359 char *res;
5cea8590 3360 char buf[PATH_MAX];
3a41759d 3361 size_t max_len;
5cea8590
PB
3362
3363#if defined(__linux__)
3364 {
3365 int len;
3366 len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
3367 if (len > 0) {
3368 buf[len] = 0;
3369 p = buf;
3370 }
3371 }
3372#elif defined(__FreeBSD__)
3373 {
3374 int len;
3375 len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
3376 if (len > 0) {
3377 buf[len] = 0;
3378 p = buf;
3379 }
3380 }
3381#endif
3382 /* If we don't have any way of figuring out the actual executable
3383 location then try argv[0]. */
3384 if (!p) {
4d224196 3385 p = realpath(argv0, buf);
5cea8590
PB
3386 if (!p) {
3387 return NULL;
3388 }
3389 }
3390 dir = dirname(p);
3391 dir = dirname(dir);
3392
3a41759d
BS
3393 max_len = strlen(dir) +
3394 MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
3395 res = qemu_mallocz(max_len);
3396 snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
5cea8590 3397 if (access(res, R_OK)) {
3a41759d 3398 snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
5cea8590
PB
3399 if (access(res, R_OK)) {
3400 qemu_free(res);
3401 res = NULL;
3402 }
3403 }
4d224196 3404
5cea8590
PB
3405 return res;
3406}
3407#undef SHARE_SUFFIX
3408#undef BUILD_SUFFIX
3409#endif
3410
3411char *qemu_find_file(int type, const char *name)
3412{
3413 int len;
3414 const char *subdir;
3415 char *buf;
3416
3417 /* If name contains path separators then try it as a straight path. */
3418 if ((strchr(name, '/') || strchr(name, '\\'))
3419 && access(name, R_OK) == 0) {
73ffc805 3420 return qemu_strdup(name);
5cea8590
PB
3421 }
3422 switch (type) {
3423 case QEMU_FILE_TYPE_BIOS:
3424 subdir = "";
3425 break;
3426 case QEMU_FILE_TYPE_KEYMAP:
3427 subdir = "keymaps/";
3428 break;
3429 default:
3430 abort();
3431 }
3432 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
3433 buf = qemu_mallocz(len);
3a41759d 3434 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
5cea8590
PB
3435 if (access(buf, R_OK)) {
3436 qemu_free(buf);
3437 return NULL;
3438 }
3439 return buf;
3440}
3441
ff952ba2
MA
3442static int device_help_func(QemuOpts *opts, void *opaque)
3443{
3444 return qdev_device_help(opts);
3445}
3446
f31d07d1
GH
3447static int device_init_func(QemuOpts *opts, void *opaque)
3448{
3449 DeviceState *dev;
3450
3451 dev = qdev_device_add(opts);
3452 if (!dev)
3453 return -1;
3454 return 0;
3455}
3456
1a688d3b
GH
3457static int chardev_init_func(QemuOpts *opts, void *opaque)
3458{
3459 CharDriverState *chr;
3460
3461 chr = qemu_chr_open_opts(opts, NULL);
3462 if (!chr)
3463 return -1;
3464 return 0;
3465}
3466
88589343
GH
3467static int mon_init_func(QemuOpts *opts, void *opaque)
3468{
3469 CharDriverState *chr;
3470 const char *chardev;
3471 const char *mode;
3472 int flags;
3473
3474 mode = qemu_opt_get(opts, "mode");
3475 if (mode == NULL) {
3476 mode = "readline";
3477 }
3478 if (strcmp(mode, "readline") == 0) {
3479 flags = MONITOR_USE_READLINE;
3480 } else if (strcmp(mode, "control") == 0) {
3481 flags = MONITOR_USE_CONTROL;
3482 } else {
3483 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
3484 exit(1);
3485 }
3486
3487 if (qemu_opt_get_bool(opts, "default", 0))
3488 flags |= MONITOR_IS_DEFAULT;
3489
3490 chardev = qemu_opt_get(opts, "chardev");
3491 chr = qemu_chr_find(chardev);
3492 if (chr == NULL) {
3493 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
3494 exit(1);
3495 }
3496
3497 monitor_init(chr, flags);
3498 return 0;
3499}
3500
6ca5582d 3501static void monitor_parse(const char *optarg, const char *mode)
88589343
GH
3502{
3503 static int monitor_device_index = 0;
3504 QemuOpts *opts;
3505 const char *p;
3506 char label[32];
3507 int def = 0;
3508
3509 if (strstart(optarg, "chardev:", &p)) {
3510 snprintf(label, sizeof(label), "%s", p);
3511 } else {
3512 if (monitor_device_index) {
3513 snprintf(label, sizeof(label), "monitor%d",
3514 monitor_device_index);
3515 } else {
3516 snprintf(label, sizeof(label), "monitor");
3517 def = 1;
3518 }
3519 opts = qemu_chr_parse_compat(label, optarg);
3520 if (!opts) {
3521 fprintf(stderr, "parse error: %s\n", optarg);
3522 exit(1);
3523 }
3524 }
3525
3526 opts = qemu_opts_create(&qemu_mon_opts, label, 1);
3527 if (!opts) {
3528 fprintf(stderr, "duplicate chardev: %s\n", label);
3529 exit(1);
3530 }
6ca5582d 3531 qemu_opt_set(opts, "mode", mode);
88589343
GH
3532 qemu_opt_set(opts, "chardev", label);
3533 if (def)
3534 qemu_opt_set(opts, "default", "on");
3535 monitor_device_index++;
3536}
3537
bd3c948d
GH
3538struct device_config {
3539 enum {
aee1b935
GH
3540 DEV_USB, /* -usbdevice */
3541 DEV_BT, /* -bt */
3542 DEV_SERIAL, /* -serial */
3543 DEV_PARALLEL, /* -parallel */
3544 DEV_VIRTCON, /* -virtioconsole */
c9f398e5 3545 DEV_DEBUGCON, /* -debugcon */
bd3c948d
GH
3546 } type;
3547 const char *cmdline;
72cf2d4f 3548 QTAILQ_ENTRY(device_config) next;
bd3c948d 3549};
72cf2d4f 3550QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
bd3c948d
GH
3551
3552static void add_device_config(int type, const char *cmdline)
3553{
3554 struct device_config *conf;
3555
3556 conf = qemu_mallocz(sizeof(*conf));
3557 conf->type = type;
3558 conf->cmdline = cmdline;
72cf2d4f 3559 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
bd3c948d
GH
3560}
3561
3562static int foreach_device_config(int type, int (*func)(const char *cmdline))
3563{
3564 struct device_config *conf;
3565 int rc;
3566
72cf2d4f 3567 QTAILQ_FOREACH(conf, &device_configs, next) {
bd3c948d
GH
3568 if (conf->type != type)
3569 continue;
3570 rc = func(conf->cmdline);
3571 if (0 != rc)
3572 return rc;
3573 }
3574 return 0;
3575}
3576
998bbd74
GH
3577static int serial_parse(const char *devname)
3578{
3579 static int index = 0;
3580 char label[32];
3581
3582 if (strcmp(devname, "none") == 0)
3583 return 0;
3584 if (index == MAX_SERIAL_PORTS) {
3585 fprintf(stderr, "qemu: too many serial ports\n");
3586 exit(1);
3587 }
3588 snprintf(label, sizeof(label), "serial%d", index);
3589 serial_hds[index] = qemu_chr_open(label, devname, NULL);
3590 if (!serial_hds[index]) {
3591 fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
3592 devname, strerror(errno));
3593 return -1;
3594 }
3595 index++;
3596 return 0;
3597}
3598
6a5e8b0e
GH
3599static int parallel_parse(const char *devname)
3600{
3601 static int index = 0;
3602 char label[32];
3603
3604 if (strcmp(devname, "none") == 0)
3605 return 0;
3606 if (index == MAX_PARALLEL_PORTS) {
3607 fprintf(stderr, "qemu: too many parallel ports\n");
3608 exit(1);
3609 }
3610 snprintf(label, sizeof(label), "parallel%d", index);
3611 parallel_hds[index] = qemu_chr_open(label, devname, NULL);
3612 if (!parallel_hds[index]) {
3613 fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
3614 devname, strerror(errno));
3615 return -1;
3616 }
3617 index++;
3618 return 0;
3619}
3620
aee1b935
GH
3621static int virtcon_parse(const char *devname)
3622{
3623 static int index = 0;
3624 char label[32];
392ecf54 3625 QemuOpts *bus_opts, *dev_opts;
aee1b935
GH
3626
3627 if (strcmp(devname, "none") == 0)
3628 return 0;
3629 if (index == MAX_VIRTIO_CONSOLES) {
3630 fprintf(stderr, "qemu: too many virtio consoles\n");
3631 exit(1);
3632 }
392ecf54
AS
3633
3634 bus_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
3635 qemu_opt_set(bus_opts, "driver", "virtio-serial");
3636
3637 dev_opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
3638 qemu_opt_set(dev_opts, "driver", "virtconsole");
3639
aee1b935
GH
3640 snprintf(label, sizeof(label), "virtcon%d", index);
3641 virtcon_hds[index] = qemu_chr_open(label, devname, NULL);
3642 if (!virtcon_hds[index]) {
3643 fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
3644 devname, strerror(errno));
3645 return -1;
3646 }
392ecf54
AS
3647 qemu_opt_set(dev_opts, "chardev", label);
3648
aee1b935
GH
3649 index++;
3650 return 0;
3651}
3652
c9f398e5
PA
3653static int debugcon_parse(const char *devname)
3654{
3655 QemuOpts *opts;
3656
3657 if (!qemu_chr_open("debugcon", devname, NULL)) {
3658 exit(1);
3659 }
3660 opts = qemu_opts_create(&qemu_device_opts, "debugcon", 1);
3661 if (!opts) {
3662 fprintf(stderr, "qemu: already have a debugcon device\n");
3663 exit(1);
3664 }
3665 qemu_opt_set(opts, "driver", "isa-debugcon");
3666 qemu_opt_set(opts, "chardev", "debugcon");
3667 return 0;
3668}
3669
6530a97b
AL
3670static const QEMUOption *lookup_opt(int argc, char **argv,
3671 const char **poptarg, int *poptind)
3672{
3673 const QEMUOption *popt;
3674 int optind = *poptind;
3675 char *r = argv[optind];
3676 const char *optarg;
3677
0f0bc3f1 3678 loc_set_cmdline(argv, optind, 1);
6530a97b
AL
3679 optind++;
3680 /* Treat --foo the same as -foo. */
3681 if (r[1] == '-')
3682 r++;
3683 popt = qemu_options;
3684 for(;;) {
3685 if (!popt->name) {
0f0bc3f1 3686 error_report("invalid option");
6530a97b
AL
3687 exit(1);
3688 }
3689 if (!strcmp(popt->name, r + 1))
3690 break;
3691 popt++;
3692 }
3693 if (popt->flags & HAS_ARG) {
3694 if (optind >= argc) {
0f0bc3f1 3695 error_report("requires an argument");
6530a97b
AL
3696 exit(1);
3697 }
3698 optarg = argv[optind++];
0f0bc3f1 3699 loc_set_cmdline(argv, optind - 2, 2);
6530a97b
AL
3700 } else {
3701 optarg = NULL;
3702 }
3703
3704 *poptarg = optarg;
3705 *poptind = optind;
3706
3707 return popt;
3708}
3709
902b3d5c 3710int main(int argc, char **argv, char **envp)
0824d6fc 3711{
59030a8c 3712 const char *gdbstub_dev = NULL;
28c5af54 3713 uint32_t boot_devices_bitmap = 0;
e4bcb14c 3714 int i;
28c5af54 3715 int snapshot, linux_boot, net_boot;
4e3de9e9 3716 const char *icount_option = NULL;
7f7f9873 3717 const char *initrd_filename;
a20dd508 3718 const char *kernel_filename, *kernel_cmdline;
195325a4 3719 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
3023f332 3720 DisplayState *ds;
7d957bd8 3721 DisplayChangeListener *dcl;
46d4767d 3722 int cyls, heads, secs, translation;
f31d07d1 3723 QemuOpts *hda_opts = NULL, *opts;
cd6f1169 3724 int optind;
6530a97b 3725 const char *optarg;
d63d307f 3726 const char *loadvm = NULL;
cc1daa40 3727 QEMUMachine *machine;
94fc95cd 3728 const char *cpu_model;
b9e82a59 3729#ifndef _WIN32
71e3ceb8 3730 int fds[2];
b9e82a59 3731#endif
26a5f13b 3732 int tb_size;
93815bc2 3733 const char *pid_file = NULL;
5bb7910a 3734 const char *incoming = NULL;
b9e82a59 3735#ifndef _WIN32
54042bcf
AL
3736 int fd = 0;
3737 struct passwd *pwd = NULL;
0858532e
AL
3738 const char *chroot_dir = NULL;
3739 const char *run_as = NULL;
b9e82a59 3740#endif
268a362c 3741 CPUState *env;
993fbfdb 3742 int show_vnc_port = 0;
292444cb 3743 int defconfig = 1;
0bd48850 3744
65abca0a
MA
3745 error_set_progname(argv[0]);
3746
6875204c
JK
3747 init_clocks();
3748
902b3d5c 3749 qemu_cache_utils_init(envp);
3750
72cf2d4f 3751 QLIST_INIT (&vm_change_state_head);
be995c27
FB
3752#ifndef _WIN32
3753 {
3754 struct sigaction act;
3755 sigfillset(&act.sa_mask);
3756 act.sa_flags = 0;
3757 act.sa_handler = SIG_IGN;
3758 sigaction(SIGPIPE, &act, NULL);
3759 }
3587d7e6
FB
3760#else
3761 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
a8e5ac33
FB
3762 /* Note: cpu_interrupt() is currently not SMP safe, so we force
3763 QEMU to run on a single CPU */
3764 {
3765 HANDLE h;
3766 DWORD mask, smask;
3767 int i;
3768 h = GetCurrentProcess();
3769 if (GetProcessAffinityMask(h, &mask, &smask)) {
3770 for(i = 0; i < 32; i++) {
3771 if (mask & (1 << i))
3772 break;
3773 }
3774 if (i != 32) {
3775 mask = 1 << i;
3776 SetProcessAffinityMask(h, mask);
3777 }
3778 }
3779 }
67b915a5 3780#endif
be995c27 3781
f80f9ec9 3782 module_call_init(MODULE_INIT_MACHINE);
0c257437 3783 machine = find_default_machine();
94fc95cd 3784 cpu_model = NULL;
fc01f7e7 3785 initrd_filename = NULL;
4fc5d071 3786 ram_size = 0;
33e3963e 3787 snapshot = 0;
a20dd508
FB
3788 kernel_filename = NULL;
3789 kernel_cmdline = "";
c4b1fcc0 3790 cyls = heads = secs = 0;
46d4767d 3791 translation = BIOS_ATA_TRANSLATION_AUTO;
c4b1fcc0 3792
268a362c
AL
3793 for (i = 0; i < MAX_NODES; i++) {
3794 node_mem[i] = 0;
3795 node_cpumask[i] = 0;
3796 }
3797
268a362c 3798 nb_numa_nodes = 0;
7c9d8e07 3799 nb_nics = 0;
3b46e624 3800
26a5f13b 3801 tb_size = 0;
41bd639b
BS
3802 autostart= 1;
3803
292444cb
AL
3804 /* first pass of option parsing */
3805 optind = 1;
3806 while (optind < argc) {
3807 if (argv[optind][0] != '-') {
3808 /* disk image */
28e68d68 3809 optind++;
292444cb
AL
3810 continue;
3811 } else {
3812 const QEMUOption *popt;
3813
3814 popt = lookup_opt(argc, argv, &optarg, &optind);
3815 switch (popt->index) {
3816 case QEMU_OPTION_nodefconfig:
3817 defconfig=0;
3818 break;
3819 }
3820 }
3821 }
3822
3823 if (defconfig) {
cf5a65aa 3824 const char *fname;
292444cb 3825 FILE *fp;
cf5a65aa
MA
3826
3827 fname = CONFIG_QEMU_CONFDIR "/qemu.conf";
3828 fp = fopen(fname, "r");
292444cb 3829 if (fp) {
cf5a65aa 3830 if (qemu_config_parse(fp, fname) != 0) {
292444cb
AL
3831 exit(1);
3832 }
3833 fclose(fp);
3834 }
3835
cf5a65aa
MA
3836 fname = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf";
3837 fp = fopen(fname, "r");
292444cb 3838 if (fp) {
cf5a65aa 3839 if (qemu_config_parse(fp, fname) != 0) {
292444cb
AL
3840 exit(1);
3841 }
3842 fclose(fp);
3843 }
3844 }
b5ec5ce0 3845#if defined(cpudef_setup)
3846 cpudef_setup(); /* parse cpu definitions in target config file */
3847#endif
292444cb
AL
3848
3849 /* second pass of option parsing */
cd6f1169 3850 optind = 1;
0824d6fc 3851 for(;;) {
cd6f1169 3852 if (optind >= argc)
0824d6fc 3853 break;
6530a97b 3854 if (argv[optind][0] != '-') {
9dfd7c7a 3855 hda_opts = drive_add(argv[optind++], HD_ALIAS, 0);
cd6f1169
FB
3856 } else {
3857 const QEMUOption *popt;
3858
6530a97b 3859 popt = lookup_opt(argc, argv, &optarg, &optind);
cd6f1169 3860 switch(popt->index) {
cc1daa40
FB
3861 case QEMU_OPTION_M:
3862 machine = find_machine(optarg);
3863 if (!machine) {
3864 QEMUMachine *m;
3865 printf("Supported machines are:\n");
3866 for(m = first_machine; m != NULL; m = m->next) {
3f6599e6
MM
3867 if (m->alias)
3868 printf("%-10s %s (alias of %s)\n",
3869 m->alias, m->desc, m->name);
cc1daa40 3870 printf("%-10s %s%s\n",
5fafdf24 3871 m->name, m->desc,
0c257437 3872 m->is_default ? " (default)" : "");
cc1daa40 3873 }
15f82208 3874 exit(*optarg != '?');
cc1daa40
FB
3875 }
3876 break;
94fc95cd
JM
3877 case QEMU_OPTION_cpu:
3878 /* hw initialization will check this */
15f82208 3879 if (*optarg == '?') {
c732abe2 3880/* XXX: implement xxx_cpu_list for targets that still miss it */
b5ec5ce0 3881#if defined(cpu_list_id)
3882 cpu_list_id(stdout, &fprintf, optarg);
3883#elif defined(cpu_list)
3884 cpu_list(stdout, &fprintf); /* deprecated */
94fc95cd 3885#endif
15f82208 3886 exit(0);
94fc95cd
JM
3887 } else {
3888 cpu_model = optarg;
3889 }
3890 break;
cd6f1169 3891 case QEMU_OPTION_initrd:
fc01f7e7
FB
3892 initrd_filename = optarg;
3893 break;
cd6f1169 3894 case QEMU_OPTION_hda:
e4bcb14c 3895 if (cyls == 0)
9dfd7c7a 3896 hda_opts = drive_add(optarg, HD_ALIAS, 0);
e4bcb14c 3897 else
9dfd7c7a 3898 hda_opts = drive_add(optarg, HD_ALIAS
e4bcb14c 3899 ",cyls=%d,heads=%d,secs=%d%s",
609497ab 3900 0, cyls, heads, secs,
e4bcb14c
TS
3901 translation == BIOS_ATA_TRANSLATION_LBA ?
3902 ",trans=lba" :
3903 translation == BIOS_ATA_TRANSLATION_NONE ?
3904 ",trans=none" : "");
3905 break;
cd6f1169 3906 case QEMU_OPTION_hdb:
cc1daa40
FB
3907 case QEMU_OPTION_hdc:
3908 case QEMU_OPTION_hdd:
609497ab 3909 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
fc01f7e7 3910 break;
e4bcb14c 3911 case QEMU_OPTION_drive:
609497ab 3912 drive_add(NULL, "%s", optarg);
e4bcb14c 3913 break;
d058fe03
GH
3914 case QEMU_OPTION_set:
3915 if (qemu_set_option(optarg) != 0)
3916 exit(1);
3917 break;
d0fef6fb
GH
3918 case QEMU_OPTION_global:
3919 if (qemu_global_option(optarg) != 0)
3920 exit(1);
3921 break;
3e3d5815 3922 case QEMU_OPTION_mtdblock:
609497ab 3923 drive_add(optarg, MTD_ALIAS);
3e3d5815 3924 break;
a1bb27b1 3925 case QEMU_OPTION_sd:
609497ab 3926 drive_add(optarg, SD_ALIAS);
a1bb27b1 3927 break;
86f55663 3928 case QEMU_OPTION_pflash:
609497ab 3929 drive_add(optarg, PFLASH_ALIAS);
86f55663 3930 break;
cd6f1169 3931 case QEMU_OPTION_snapshot:
33e3963e
FB
3932 snapshot = 1;
3933 break;
cd6f1169 3934 case QEMU_OPTION_hdachs:
330d0414 3935 {
330d0414
FB
3936 const char *p;
3937 p = optarg;
3938 cyls = strtol(p, (char **)&p, 0);
46d4767d
FB
3939 if (cyls < 1 || cyls > 16383)
3940 goto chs_fail;
330d0414
FB
3941 if (*p != ',')
3942 goto chs_fail;
3943 p++;
3944 heads = strtol(p, (char **)&p, 0);
46d4767d
FB
3945 if (heads < 1 || heads > 16)
3946 goto chs_fail;
330d0414
FB
3947 if (*p != ',')
3948 goto chs_fail;
3949 p++;
3950 secs = strtol(p, (char **)&p, 0);
46d4767d
FB
3951 if (secs < 1 || secs > 63)
3952 goto chs_fail;
3953 if (*p == ',') {
3954 p++;
3955 if (!strcmp(p, "none"))
3956 translation = BIOS_ATA_TRANSLATION_NONE;
3957 else if (!strcmp(p, "lba"))
3958 translation = BIOS_ATA_TRANSLATION_LBA;
3959 else if (!strcmp(p, "auto"))
3960 translation = BIOS_ATA_TRANSLATION_AUTO;
3961 else
3962 goto chs_fail;
3963 } else if (*p != '\0') {
c4b1fcc0 3964 chs_fail:
46d4767d
FB
3965 fprintf(stderr, "qemu: invalid physical CHS format\n");
3966 exit(1);
c4b1fcc0 3967 }
9dfd7c7a
GH
3968 if (hda_opts != NULL) {
3969 char num[16];
3970 snprintf(num, sizeof(num), "%d", cyls);
3971 qemu_opt_set(hda_opts, "cyls", num);
3972 snprintf(num, sizeof(num), "%d", heads);
3973 qemu_opt_set(hda_opts, "heads", num);
3974 snprintf(num, sizeof(num), "%d", secs);
3975 qemu_opt_set(hda_opts, "secs", num);
3976 if (translation == BIOS_ATA_TRANSLATION_LBA)
3977 qemu_opt_set(hda_opts, "trans", "lba");
3978 if (translation == BIOS_ATA_TRANSLATION_NONE)
3979 qemu_opt_set(hda_opts, "trans", "none");
3980 }
330d0414
FB
3981 }
3982 break;
268a362c
AL
3983 case QEMU_OPTION_numa:
3984 if (nb_numa_nodes >= MAX_NODES) {
3985 fprintf(stderr, "qemu: too many NUMA nodes\n");
3986 exit(1);
3987 }
3988 numa_add(optarg);
3989 break;
cd6f1169 3990 case QEMU_OPTION_nographic:
993fbfdb 3991 display_type = DT_NOGRAPHIC;
a20dd508 3992 break;
4d3b6f6e
AZ
3993#ifdef CONFIG_CURSES
3994 case QEMU_OPTION_curses:
993fbfdb 3995 display_type = DT_CURSES;
4d3b6f6e
AZ
3996 break;
3997#endif
a171fe39
AZ
3998 case QEMU_OPTION_portrait:
3999 graphic_rotate = 1;
4000 break;
cd6f1169 4001 case QEMU_OPTION_kernel:
a20dd508
FB
4002 kernel_filename = optarg;
4003 break;
cd6f1169 4004 case QEMU_OPTION_append:
a20dd508 4005 kernel_cmdline = optarg;
313aa567 4006 break;
cd6f1169 4007 case QEMU_OPTION_cdrom:
609497ab 4008 drive_add(optarg, CDROM_ALIAS);
36b486bb 4009 break;
cd6f1169 4010 case QEMU_OPTION_boot:
28c5af54 4011 {
ef3adf68 4012 static const char * const params[] = {
95387491 4013 "order", "once", "menu", NULL
ef3adf68
JK
4014 };
4015 char buf[sizeof(boot_devices)];
e0f084bf 4016 char *standard_boot_devices;
ef3adf68
JK
4017 int legacy = 0;
4018
4019 if (!strchr(optarg, '=')) {
4020 legacy = 1;
4021 pstrcpy(buf, sizeof(buf), optarg);
4022 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
4023 fprintf(stderr,
4024 "qemu: unknown boot parameter '%s' in '%s'\n",
4025 buf, optarg);
4026 exit(1);
4027 }
4028
4029 if (legacy ||
4030 get_param_value(buf, sizeof(buf), "order", optarg)) {
4031 boot_devices_bitmap = parse_bootdevices(buf);
4032 pstrcpy(boot_devices, sizeof(boot_devices), buf);
28c5af54 4033 }
e0f084bf
JK
4034 if (!legacy) {
4035 if (get_param_value(buf, sizeof(buf),
4036 "once", optarg)) {
4037 boot_devices_bitmap |= parse_bootdevices(buf);
4038 standard_boot_devices = qemu_strdup(boot_devices);
4039 pstrcpy(boot_devices, sizeof(boot_devices), buf);
4040 qemu_register_reset(restore_boot_devices,
4041 standard_boot_devices);
4042 }
95387491
JK
4043 if (get_param_value(buf, sizeof(buf),
4044 "menu", optarg)) {
4045 if (!strcmp(buf, "on")) {
4046 boot_menu = 1;
4047 } else if (!strcmp(buf, "off")) {
4048 boot_menu = 0;
4049 } else {
4050 fprintf(stderr,
4051 "qemu: invalid option value '%s'\n",
4052 buf);
4053 exit(1);
4054 }
4055 }
e0f084bf 4056 }
36b486bb
FB
4057 }
4058 break;
cd6f1169 4059 case QEMU_OPTION_fda:
cd6f1169 4060 case QEMU_OPTION_fdb:
609497ab 4061 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
c45886db 4062 break;
52ca8d6a
FB
4063#ifdef TARGET_I386
4064 case QEMU_OPTION_no_fd_bootchk:
4065 fd_bootchk = 0;
4066 break;
4067#endif
a1ea458f
MM
4068 case QEMU_OPTION_netdev:
4069 if (net_client_parse(&qemu_netdev_opts, optarg) == -1) {
4070 exit(1);
4071 }
4072 break;
7c9d8e07 4073 case QEMU_OPTION_net:
7f161aae 4074 if (net_client_parse(&qemu_net_opts, optarg) == -1) {
c4b1fcc0
FB
4075 exit(1);
4076 }
702c651c 4077 break;
c7f74643
FB
4078#ifdef CONFIG_SLIRP
4079 case QEMU_OPTION_tftp:
ad196a9d 4080 legacy_tftp_prefix = optarg;
9bf05444 4081 break;
47d5d01a 4082 case QEMU_OPTION_bootp:
ad196a9d 4083 legacy_bootp_filename = optarg;
47d5d01a 4084 break;
c94c8d64 4085#ifndef _WIN32
9d728e8c 4086 case QEMU_OPTION_smb:
0752706d
MA
4087 if (net_slirp_smb(optarg) < 0)
4088 exit(1);
9d728e8c 4089 break;
c94c8d64 4090#endif
9bf05444 4091 case QEMU_OPTION_redir:
0752706d
MA
4092 if (net_slirp_redir(optarg) < 0)
4093 exit(1);
9bf05444 4094 break;
c7f74643 4095#endif
dc72ac14 4096 case QEMU_OPTION_bt:
bd3c948d 4097 add_device_config(DEV_BT, optarg);
dc72ac14 4098 break;
1d14ffa9 4099#ifdef HAS_AUDIO
1d14ffa9
FB
4100 case QEMU_OPTION_audio_help:
4101 AUD_help ();
4102 exit (0);
4103 break;
4104 case QEMU_OPTION_soundhw:
4105 select_soundhw (optarg);
4106 break;
4107#endif
cd6f1169 4108 case QEMU_OPTION_h:
15f82208 4109 help(0);
cd6f1169 4110 break;
9bd7e6d9
PB
4111 case QEMU_OPTION_version:
4112 version();
4113 exit(0);
4114 break;
00f82b8a
AJ
4115 case QEMU_OPTION_m: {
4116 uint64_t value;
4117 char *ptr;
4118
4119 value = strtoul(optarg, &ptr, 10);
4120 switch (*ptr) {
4121 case 0: case 'M': case 'm':
4122 value <<= 20;
4123 break;
4124 case 'G': case 'g':
4125 value <<= 30;
4126 break;
4127 default:
4128 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
cd6f1169
FB
4129 exit(1);
4130 }
00f82b8a
AJ
4131
4132 /* On 32-bit hosts, QEMU is limited by virtual address space */
4a1418e0 4133 if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
00f82b8a
AJ
4134 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4135 exit(1);
4136 }
c227f099 4137 if (value != (uint64_t)(ram_addr_t)value) {
00f82b8a
AJ
4138 fprintf(stderr, "qemu: ram size too large\n");
4139 exit(1);
4140 }
4141 ram_size = value;
cd6f1169 4142 break;
00f82b8a 4143 }
c902760f
MT
4144 case QEMU_OPTION_mempath:
4145 mem_path = optarg;
4146 break;
4147#ifdef MAP_POPULATE
4148 case QEMU_OPTION_mem_prealloc:
4149 mem_prealloc = 1;
4150 break;
4151#endif
cd6f1169
FB
4152 case QEMU_OPTION_d:
4153 {
4154 int mask;
c7cd6a37 4155 const CPULogItem *item;
3b46e624 4156
cd6f1169
FB
4157 mask = cpu_str_to_log_mask(optarg);
4158 if (!mask) {
4159 printf("Log items (comma separated):\n");
f193c797
FB
4160 for(item = cpu_log_items; item->mask != 0; item++) {
4161 printf("%-10s %s\n", item->name, item->help);
4162 }
4163 exit(1);
cd6f1169
FB
4164 }
4165 cpu_set_log(mask);
f193c797 4166 }
cd6f1169 4167 break;
cd6f1169 4168 case QEMU_OPTION_s:
59030a8c 4169 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
cd6f1169 4170 break;
59030a8c
AL
4171 case QEMU_OPTION_gdb:
4172 gdbstub_dev = optarg;
cd6f1169 4173 break;
cd6f1169 4174 case QEMU_OPTION_L:
5cea8590 4175 data_dir = optarg;
cd6f1169 4176 break;
1192dad8
JM
4177 case QEMU_OPTION_bios:
4178 bios_name = optarg;
4179 break;
1b530a6d
AJ
4180 case QEMU_OPTION_singlestep:
4181 singlestep = 1;
4182 break;
cd6f1169 4183 case QEMU_OPTION_S:
3c07f8e8 4184 autostart = 0;
cd6f1169 4185 break;
3d11d0eb
FB
4186 case QEMU_OPTION_k:
4187 keyboard_layout = optarg;
4188 break;
ee22c2f7
FB
4189 case QEMU_OPTION_localtime:
4190 rtc_utc = 0;
4191 break;
3893c124 4192 case QEMU_OPTION_vga:
4193 select_vgahw (optarg);
1bfe856e 4194 break;
5824d651 4195#if defined(TARGET_PPC) || defined(TARGET_SPARC)
e9b137c2
FB
4196 case QEMU_OPTION_g:
4197 {
4198 const char *p;
4199 int w, h, depth;
4200 p = optarg;
4201 w = strtol(p, (char **)&p, 10);
4202 if (w <= 0) {
4203 graphic_error:
4204 fprintf(stderr, "qemu: invalid resolution or depth\n");
4205 exit(1);
4206 }
4207 if (*p != 'x')
4208 goto graphic_error;
4209 p++;
4210 h = strtol(p, (char **)&p, 10);
4211 if (h <= 0)
4212 goto graphic_error;
4213 if (*p == 'x') {
4214 p++;
4215 depth = strtol(p, (char **)&p, 10);
5fafdf24 4216 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB
4217 depth != 24 && depth != 32)
4218 goto graphic_error;
4219 } else if (*p == '\0') {
4220 depth = graphic_depth;
4221 } else {
4222 goto graphic_error;
4223 }
3b46e624 4224
e9b137c2
FB
4225 graphic_width = w;
4226 graphic_height = h;
4227 graphic_depth = depth;
4228 }
4229 break;
5824d651 4230#endif
20d8a3ed
TS
4231 case QEMU_OPTION_echr:
4232 {
4233 char *r;
4234 term_escape_char = strtol(optarg, &r, 0);
4235 if (r == optarg)
4236 printf("Bad argument to echr\n");
4237 break;
4238 }
82c643ff 4239 case QEMU_OPTION_monitor:
6ca5582d
GH
4240 monitor_parse(optarg, "readline");
4241 default_monitor = 0;
4242 break;
4243 case QEMU_OPTION_qmp:
4244 monitor_parse(optarg, "control");
abdeed06 4245 default_monitor = 0;
82c643ff 4246 break;
22a0e04b 4247 case QEMU_OPTION_mon:
8212c64f 4248 opts = qemu_opts_parse(&qemu_mon_opts, optarg, 1);
22a0e04b
GH
4249 if (!opts) {
4250 fprintf(stderr, "parse error: %s\n", optarg);
4251 exit(1);
4252 }
4253 default_monitor = 0;
4254 break;
191bc01b 4255 case QEMU_OPTION_chardev:
8212c64f 4256 opts = qemu_opts_parse(&qemu_chardev_opts, optarg, 1);
191bc01b
GH
4257 if (!opts) {
4258 fprintf(stderr, "parse error: %s\n", optarg);
4259 exit(1);
4260 }
191bc01b 4261 break;
82c643ff 4262 case QEMU_OPTION_serial:
998bbd74
GH
4263 add_device_config(DEV_SERIAL, optarg);
4264 default_serial = 0;
18141ed6
JK
4265 if (strncmp(optarg, "mon:", 4) == 0) {
4266 default_monitor = 0;
4267 }
82c643ff 4268 break;
9dd986cc 4269 case QEMU_OPTION_watchdog:
09aaa160
MA
4270 if (watchdog) {
4271 fprintf(stderr,
4272 "qemu: only one watchdog option may be given\n");
4273 return 1;
4274 }
4275 watchdog = optarg;
9dd986cc
RJ
4276 break;
4277 case QEMU_OPTION_watchdog_action:
4278 if (select_watchdog_action(optarg) == -1) {
4279 fprintf(stderr, "Unknown -watchdog-action parameter\n");
4280 exit(1);
4281 }
4282 break;
51ecf136 4283 case QEMU_OPTION_virtiocon:
aee1b935
GH
4284 add_device_config(DEV_VIRTCON, optarg);
4285 default_virtcon = 0;
18141ed6
JK
4286 if (strncmp(optarg, "mon:", 4) == 0) {
4287 default_monitor = 0;
4288 }
51ecf136 4289 break;
6508fe59 4290 case QEMU_OPTION_parallel:
6a5e8b0e
GH
4291 add_device_config(DEV_PARALLEL, optarg);
4292 default_parallel = 0;
18141ed6
JK
4293 if (strncmp(optarg, "mon:", 4) == 0) {
4294 default_monitor = 0;
4295 }
6508fe59 4296 break;
c9f398e5
PA
4297 case QEMU_OPTION_debugcon:
4298 add_device_config(DEV_DEBUGCON, optarg);
4299 break;
d63d307f
FB
4300 case QEMU_OPTION_loadvm:
4301 loadvm = optarg;
4302 break;
4303 case QEMU_OPTION_full_screen:
4304 full_screen = 1;
4305 break;
667accab 4306#ifdef CONFIG_SDL
43523e93
TS
4307 case QEMU_OPTION_no_frame:
4308 no_frame = 1;
4309 break;
3780e197
TS
4310 case QEMU_OPTION_alt_grab:
4311 alt_grab = 1;
4312 break;
0ca9f8a4
DK
4313 case QEMU_OPTION_ctrl_grab:
4314 ctrl_grab = 1;
4315 break;
667accab
TS
4316 case QEMU_OPTION_no_quit:
4317 no_quit = 1;
4318 break;
7d957bd8 4319 case QEMU_OPTION_sdl:
993fbfdb 4320 display_type = DT_SDL;
7d957bd8 4321 break;
667accab 4322#endif
f7cce898 4323 case QEMU_OPTION_pidfile:
93815bc2 4324 pid_file = optarg;
f7cce898 4325 break;
a09db21f
FB
4326#ifdef TARGET_I386
4327 case QEMU_OPTION_win2k_hack:
4328 win2k_install_hack = 1;
4329 break;
73822ec8
AL
4330 case QEMU_OPTION_rtc_td_hack:
4331 rtc_td_hack = 1;
4332 break;
8a92ea2f
AL
4333 case QEMU_OPTION_acpitable:
4334 if(acpi_table_add(optarg) < 0) {
4335 fprintf(stderr, "Wrong acpi table provided\n");
4336 exit(1);
4337 }
4338 break;
b6f6e3d3
AL
4339 case QEMU_OPTION_smbios:
4340 if(smbios_entry_add(optarg) < 0) {
4341 fprintf(stderr, "Wrong smbios provided\n");
4342 exit(1);
4343 }
4344 break;
a09db21f 4345#endif
7ba1e619
AL
4346#ifdef CONFIG_KVM
4347 case QEMU_OPTION_enable_kvm:
4348 kvm_allowed = 1;
7ba1e619 4349 break;
d993e026 4350#endif
bb36d470
FB
4351 case QEMU_OPTION_usb:
4352 usb_enabled = 1;
4353 break;
a594cfbf
FB
4354 case QEMU_OPTION_usbdevice:
4355 usb_enabled = 1;
bd3c948d
GH
4356 add_device_config(DEV_USB, optarg);
4357 break;
4358 case QEMU_OPTION_device:
8212c64f 4359 if (!qemu_opts_parse(&qemu_device_opts, optarg, 1)) {
f31d07d1
GH
4360 exit(1);
4361 }
a594cfbf 4362 break;
6a00d601 4363 case QEMU_OPTION_smp:
dc6b1c09 4364 smp_parse(optarg);
b2097003 4365 if (smp_cpus < 1) {
6a00d601
FB
4366 fprintf(stderr, "Invalid number of CPUs\n");
4367 exit(1);
4368 }
6be68d7e
JS
4369 if (max_cpus < smp_cpus) {
4370 fprintf(stderr, "maxcpus must be equal to or greater than "
4371 "smp\n");
4372 exit(1);
4373 }
4374 if (max_cpus > 255) {
4375 fprintf(stderr, "Unsupported number of maxcpus\n");
4376 exit(1);
4377 }
6a00d601 4378 break;
24236869 4379 case QEMU_OPTION_vnc:
993fbfdb 4380 display_type = DT_VNC;
73fc9742 4381 vnc_display = optarg;
24236869 4382 break;
5824d651 4383#ifdef TARGET_I386
6515b203
FB
4384 case QEMU_OPTION_no_acpi:
4385 acpi_enabled = 0;
4386 break;
16b29ae1
AL
4387 case QEMU_OPTION_no_hpet:
4388 no_hpet = 1;
4389 break;
7d4c3d53
MA
4390 case QEMU_OPTION_balloon:
4391 if (balloon_parse(optarg) < 0) {
4392 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
4393 exit(1);
4394 }
df97b920 4395 break;
5824d651 4396#endif
d1beab82
FB
4397 case QEMU_OPTION_no_reboot:
4398 no_reboot = 1;
4399 break;
b2f76161
AJ
4400 case QEMU_OPTION_no_shutdown:
4401 no_shutdown = 1;
4402 break;
9467cd46
AZ
4403 case QEMU_OPTION_show_cursor:
4404 cursor_hide = 0;
4405 break;
8fcb1b90
BS
4406 case QEMU_OPTION_uuid:
4407 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
4408 fprintf(stderr, "Fail to parse UUID string."
4409 " Wrong format.\n");
4410 exit(1);
4411 }
4412 break;
5824d651 4413#ifndef _WIN32
71e3ceb8
TS
4414 case QEMU_OPTION_daemonize:
4415 daemonize = 1;
4416 break;
5824d651 4417#endif
9ae02555
TS
4418 case QEMU_OPTION_option_rom:
4419 if (nb_option_roms >= MAX_OPTION_ROMS) {
4420 fprintf(stderr, "Too many option ROMs\n");
4421 exit(1);
4422 }
4423 option_rom[nb_option_roms] = optarg;
4424 nb_option_roms++;
4425 break;
5824d651 4426#if defined(TARGET_ARM) || defined(TARGET_M68K)
8e71621f
PB
4427 case QEMU_OPTION_semihosting:
4428 semihosting_enabled = 1;
4429 break;
5824d651 4430#endif
c35734b2 4431 case QEMU_OPTION_name:
1889465a
AK
4432 qemu_name = qemu_strdup(optarg);
4433 {
4434 char *p = strchr(qemu_name, ',');
4435 if (p != NULL) {
4436 *p++ = 0;
4437 if (strncmp(p, "process=", 8)) {
4438 fprintf(stderr, "Unknown subargument %s to -name", p);
4439 exit(1);
4440 }
4441 p += 8;
4442 set_proc_name(p);
4443 }
4444 }
c35734b2 4445 break;
95efd11c 4446#if defined(TARGET_SPARC) || defined(TARGET_PPC)
66508601
BS
4447 case QEMU_OPTION_prom_env:
4448 if (nb_prom_envs >= MAX_PROM_ENVS) {
4449 fprintf(stderr, "Too many prom variables\n");
4450 exit(1);
4451 }
4452 prom_envs[nb_prom_envs] = optarg;
4453 nb_prom_envs++;
4454 break;
2b8f2d41
AZ
4455#endif
4456#ifdef TARGET_ARM
4457 case QEMU_OPTION_old_param:
4458 old_param = 1;
05ebd537 4459 break;
66508601 4460#endif
f3dcfada
TS
4461 case QEMU_OPTION_clock:
4462 configure_alarms(optarg);
4463 break;
7e0af5d0 4464 case QEMU_OPTION_startdate:
1ed2fc1f
JK
4465 configure_rtc_date_offset(optarg, 1);
4466 break;
4467 case QEMU_OPTION_rtc:
8212c64f 4468 opts = qemu_opts_parse(&qemu_rtc_opts, optarg, 0);
1ed2fc1f
JK
4469 if (!opts) {
4470 fprintf(stderr, "parse error: %s\n", optarg);
4471 exit(1);
7e0af5d0 4472 }
1ed2fc1f 4473 configure_rtc(opts);
7e0af5d0 4474 break;
26a5f13b
FB
4475 case QEMU_OPTION_tb_size:
4476 tb_size = strtol(optarg, NULL, 0);
4477 if (tb_size < 0)
4478 tb_size = 0;
4479 break;
2e70f6ef 4480 case QEMU_OPTION_icount:
4e3de9e9 4481 icount_option = optarg;
2e70f6ef 4482 break;
5bb7910a
AL
4483 case QEMU_OPTION_incoming:
4484 incoming = optarg;
4485 break;
d8c208dd
GH
4486 case QEMU_OPTION_nodefaults:
4487 default_serial = 0;
4488 default_parallel = 0;
aee1b935 4489 default_virtcon = 0;
d8c208dd
GH
4490 default_monitor = 0;
4491 default_vga = 0;
cb4522cc 4492 default_net = 0;
ac33f8fa
GH
4493 default_floppy = 0;
4494 default_cdrom = 0;
4495 default_sdcard = 0;
d8c208dd 4496 break;
5824d651 4497#ifndef _WIN32
0858532e
AL
4498 case QEMU_OPTION_chroot:
4499 chroot_dir = optarg;
4500 break;
4501 case QEMU_OPTION_runas:
4502 run_as = optarg;
4503 break;
e37630ca
AL
4504#endif
4505#ifdef CONFIG_XEN
4506 case QEMU_OPTION_xen_domid:
4507 xen_domid = atoi(optarg);
4508 break;
4509 case QEMU_OPTION_xen_create:
4510 xen_mode = XEN_CREATE;
4511 break;
4512 case QEMU_OPTION_xen_attach:
4513 xen_mode = XEN_ATTACH;
4514 break;
5824d651 4515#endif
715a664a
GH
4516 case QEMU_OPTION_readconfig:
4517 {
4518 FILE *fp;
4519 fp = fopen(optarg, "r");
4520 if (fp == NULL) {
4521 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4522 exit(1);
4523 }
cf5a65aa 4524 if (qemu_config_parse(fp, optarg) != 0) {
715a664a
GH
4525 exit(1);
4526 }
4527 fclose(fp);
4528 break;
4529 }
4530 case QEMU_OPTION_writeconfig:
4531 {
4532 FILE *fp;
4533 if (strcmp(optarg, "-") == 0) {
4534 fp = stdout;
4535 } else {
4536 fp = fopen(optarg, "w");
4537 if (fp == NULL) {
4538 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
4539 exit(1);
4540 }
4541 }
4542 qemu_config_write(fp);
4543 fclose(fp);
4544 break;
4545 }
cd6f1169 4546 }
0824d6fc
FB
4547 }
4548 }
0f0bc3f1 4549 loc_set_none();
330d0414 4550
5cea8590
PB
4551 /* If no data_dir is specified then try to find it relative to the
4552 executable path. */
4553 if (!data_dir) {
4554 data_dir = find_datadir(argv[0]);
4555 }
4556 /* If all else fails use the install patch specified when building. */
4557 if (!data_dir) {
4558 data_dir = CONFIG_QEMU_SHAREDIR;
4559 }
4560
6be68d7e
JS
4561 /*
4562 * Default to max_cpus = smp_cpus, in case the user doesn't
4563 * specify a max_cpus value.
4564 */
4565 if (!max_cpus)
4566 max_cpus = smp_cpus;
4567
3d878caa 4568 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
b2097003
AL
4569 if (smp_cpus > machine->max_cpus) {
4570 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
4571 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
4572 machine->max_cpus);
4573 exit(1);
4574 }
4575
998bbd74 4576 qemu_opts_foreach(&qemu_device_opts, default_driver_check, NULL, 0);
d8bcbabf 4577 qemu_opts_foreach(&qemu_global_opts, default_driver_check, NULL, 0);
998bbd74 4578
986c5f78
GH
4579 if (machine->no_serial) {
4580 default_serial = 0;
4581 }
4582 if (machine->no_parallel) {
4583 default_parallel = 0;
4584 }
4585 if (!machine->use_virtcon) {
4586 default_virtcon = 0;
4587 }
4588 if (machine->no_vga) {
4589 default_vga = 0;
4590 }
ac33f8fa
GH
4591 if (machine->no_floppy) {
4592 default_floppy = 0;
4593 }
4594 if (machine->no_cdrom) {
4595 default_cdrom = 0;
4596 }
4597 if (machine->no_sdcard) {
4598 default_sdcard = 0;
4599 }
986c5f78 4600
993fbfdb 4601 if (display_type == DT_NOGRAPHIC) {
6a5e8b0e
GH
4602 if (default_parallel)
4603 add_device_config(DEV_PARALLEL, "null");
e1c09175
GH
4604 if (default_serial && default_monitor) {
4605 add_device_config(DEV_SERIAL, "mon:stdio");
986c5f78
GH
4606 } else if (default_virtcon && default_monitor) {
4607 add_device_config(DEV_VIRTCON, "mon:stdio");
e1c09175
GH
4608 } else {
4609 if (default_serial)
4610 add_device_config(DEV_SERIAL, "stdio");
986c5f78
GH
4611 if (default_virtcon)
4612 add_device_config(DEV_VIRTCON, "stdio");
e1c09175 4613 if (default_monitor)
6ca5582d 4614 monitor_parse("stdio", "readline");
e1c09175 4615 }
998bbd74
GH
4616 } else {
4617 if (default_serial)
4618 add_device_config(DEV_SERIAL, "vc:80Cx24C");
6a5e8b0e
GH
4619 if (default_parallel)
4620 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
abdeed06 4621 if (default_monitor)
6ca5582d 4622 monitor_parse("vc:80Cx24C", "readline");
38536da1
AG
4623 if (default_virtcon)
4624 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
bc0129d9 4625 }
64465297
GH
4626 if (default_vga)
4627 vga_interface_type = VGA_CIRRUS;
bc0129d9 4628
1a688d3b
GH
4629 if (qemu_opts_foreach(&qemu_chardev_opts, chardev_init_func, NULL, 1) != 0)
4630 exit(1);
4631
71e3ceb8 4632#ifndef _WIN32
71e3ceb8
TS
4633 if (daemonize) {
4634 pid_t pid;
4635
4636 if (pipe(fds) == -1)
4637 exit(1);
4638
4639 pid = fork();
4640 if (pid > 0) {
4641 uint8_t status;
4642 ssize_t len;
4643
4644 close(fds[1]);
4645
4646 again:
93815bc2
TS
4647 len = read(fds[0], &status, 1);
4648 if (len == -1 && (errno == EINTR))
4649 goto again;
4650
4651 if (len != 1)
4652 exit(1);
4653 else if (status == 1) {
850810d0 4654 fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
93815bc2
TS
4655 exit(1);
4656 } else
4657 exit(0);
71e3ceb8 4658 } else if (pid < 0)
93815bc2 4659 exit(1);
71e3ceb8 4660
40ff6d7e
KW
4661 close(fds[0]);
4662 qemu_set_cloexec(fds[1]);
4663
71e3ceb8
TS
4664 setsid();
4665
4666 pid = fork();
4667 if (pid > 0)
4668 exit(0);
4669 else if (pid < 0)
4670 exit(1);
4671
4672 umask(027);
71e3ceb8
TS
4673
4674 signal(SIGTSTP, SIG_IGN);
4675 signal(SIGTTOU, SIG_IGN);
4676 signal(SIGTTIN, SIG_IGN);
4677 }
099fe236 4678#endif
71e3ceb8 4679
aa26bb2d 4680 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
099fe236 4681#ifndef _WIN32
93815bc2
TS
4682 if (daemonize) {
4683 uint8_t status = 1;
dc330e28
KS
4684 if (write(fds[1], &status, 1) != 1) {
4685 perror("daemonize. Writing to pipe\n");
4686 }
93815bc2 4687 } else
099fe236 4688#endif
850810d0 4689 fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
93815bc2
TS
4690 exit(1);
4691 }
4692
214910a7
MT
4693 if (kvm_enabled()) {
4694 int ret;
4695
4696 ret = kvm_init(smp_cpus);
4697 if (ret < 0) {
4698 fprintf(stderr, "failed to initialize KVM\n");
4699 exit(1);
4700 }
4701 }
4702
3fcf7b6b
AL
4703 if (qemu_init_main_loop()) {
4704 fprintf(stderr, "qemu_init_main_loop failed\n");
4705 exit(1);
4706 }
a20dd508 4707 linux_boot = (kernel_filename != NULL);
6c41b272 4708
f8d39c01
TS
4709 if (!linux_boot && *kernel_cmdline != '\0') {
4710 fprintf(stderr, "-append only allowed with -kernel option\n");
4711 exit(1);
4712 }
4713
4714 if (!linux_boot && initrd_filename != NULL) {
4715 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4716 exit(1);
4717 }
4718
bf65f53f
FN
4719#ifndef _WIN32
4720 /* Win32 doesn't support line-buffering and requires size >= 2 */
b118d61e 4721 setvbuf(stdout, NULL, _IOLBF, 0);
bf65f53f 4722#endif
3b46e624 4723
7183b4b4
AL
4724 if (init_timer_alarm() < 0) {
4725 fprintf(stderr, "could not initialize alarm timer\n");
4726 exit(1);
4727 }
4e3de9e9 4728 configure_icount(icount_option);
634fce96 4729
fd1dff4b
FB
4730#ifdef _WIN32
4731 socket_init();
4732#endif
4733
dc1c9fe8
MM
4734 if (net_init_clients() < 0) {
4735 exit(1);
702c651c 4736 }
f1510b2c 4737
406c8df3
GC
4738 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
4739 net_set_boot_mask(net_boot);
4740
dc72ac14 4741 /* init the bluetooth world */
bd3c948d
GH
4742 if (foreach_device_config(DEV_BT, bt_parse))
4743 exit(1);
dc72ac14 4744
0824d6fc 4745 /* init the memory */
94a6b54f
PB
4746 if (ram_size == 0)
4747 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
9ae02555 4748
26a5f13b
FB
4749 /* init the dynamic translator */
4750 cpu_exec_init_all(tb_size * 1024 * 1024);
4751
eb852011 4752 bdrv_init_with_whitelist();
c4b1fcc0 4753
c163b5ca
LS
4754 blk_mig_init();
4755
ac33f8fa 4756 if (default_cdrom) {
aa40fc9c
GH
4757 /* we always create the cdrom drive, even if no disk is there */
4758 drive_add(NULL, CDROM_ALIAS);
ac33f8fa 4759 }
c4b1fcc0 4760
ac33f8fa 4761 if (default_floppy) {
aa40fc9c
GH
4762 /* we always create at least one floppy */
4763 drive_add(NULL, FD_ALIAS, 0);
ac33f8fa 4764 }
86f55663 4765
ac33f8fa 4766 if (default_sdcard) {
aa40fc9c
GH
4767 /* we always create one sd slot, even if no card is in it */
4768 drive_add(NULL, SD_ALIAS);
4769 }
9d413d1d 4770
e4bcb14c 4771 /* open the virtual block devices */
9dfd7c7a 4772 if (snapshot)
7282a033
GH
4773 qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
4774 if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
9dfd7c7a 4775 exit(1);
3e3d5815 4776
c163b5ca
LS
4777 register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL,
4778 ram_load, NULL);
8a7ddc38 4779
268a362c
AL
4780 if (nb_numa_nodes > 0) {
4781 int i;
4782
4783 if (nb_numa_nodes > smp_cpus) {
4784 nb_numa_nodes = smp_cpus;
4785 }
4786
4787 /* If no memory size if given for any node, assume the default case
4788 * and distribute the available memory equally across all nodes
4789 */
4790 for (i = 0; i < nb_numa_nodes; i++) {
4791 if (node_mem[i] != 0)
4792 break;
4793 }
4794 if (i == nb_numa_nodes) {
4795 uint64_t usedmem = 0;
4796
4797 /* On Linux, the each node's border has to be 8MB aligned,
4798 * the final node gets the rest.
4799 */
4800 for (i = 0; i < nb_numa_nodes - 1; i++) {
4801 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
4802 usedmem += node_mem[i];
4803 }
4804 node_mem[i] = ram_size - usedmem;
4805 }
4806
4807 for (i = 0; i < nb_numa_nodes; i++) {
4808 if (node_cpumask[i] != 0)
4809 break;
4810 }
4811 /* assigning the VCPUs round-robin is easier to implement, guest OSes
4812 * must cope with this anyway, because there are BIOSes out there in
4813 * real machines which also use this scheme.
4814 */
4815 if (i == nb_numa_nodes) {
4816 for (i = 0; i < smp_cpus; i++) {
4817 node_cpumask[i % nb_numa_nodes] |= 1 << i;
4818 }
4819 }
4820 }
4821
998bbd74
GH
4822 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4823 exit(1);
6a5e8b0e
GH
4824 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4825 exit(1);
aee1b935
GH
4826 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4827 exit(1);
c9f398e5
PA
4828 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4829 exit(1);
2796dae0 4830
aae9460e
PB
4831 module_call_init(MODULE_INIT_DEVICE);
4832
ff952ba2
MA
4833 if (qemu_opts_foreach(&qemu_device_opts, device_help_func, NULL, 0) != 0)
4834 exit(0);
4835
09aaa160
MA
4836 if (watchdog) {
4837 i = select_watchdog(watchdog);
4838 if (i > 0)
4839 exit (i == 1 ? 1 : 0);
4840 }
4841
b6b61144 4842 if (machine->compat_props) {
458fb679 4843 qdev_prop_register_global_list(machine->compat_props);
b6b61144 4844 }
d0fef6fb
GH
4845 qemu_add_globals();
4846
fbe1b595 4847 machine->init(ram_size, boot_devices,
3023f332
AL
4848 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
4849
ea375f9a 4850 cpu_synchronize_all_post_init();
268a362c 4851
67b3b71d
JQ
4852#ifndef _WIN32
4853 /* must be after terminal init, SDL library changes signal handlers */
4854 sighandler_setup();
4855#endif
4856
268a362c
AL
4857 for (env = first_cpu; env != NULL; env = env->next_cpu) {
4858 for (i = 0; i < nb_numa_nodes; i++) {
4859 if (node_cpumask[i] & (1 << env->cpu_index)) {
4860 env->numa_node = i;
4861 }
4862 }
4863 }
4864
6f338c34
AL
4865 current_machine = machine;
4866
3023f332
AL
4867 /* init USB devices */
4868 if (usb_enabled) {
0752706d
MA
4869 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4870 exit(1);
3023f332
AL
4871 }
4872
bd3c948d 4873 /* init generic devices */
f31d07d1 4874 if (qemu_opts_foreach(&qemu_device_opts, device_init_func, NULL, 1) != 0)
bd3c948d
GH
4875 exit(1);
4876
668680f7
MA
4877 net_check_clients();
4878
3023f332 4879 /* just use the first displaystate for the moment */
b473df6e 4880 ds = get_displaystate();
993fbfdb
AL
4881
4882 if (display_type == DT_DEFAULT) {
4883#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
4884 display_type = DT_SDL;
4885#else
4886 display_type = DT_VNC;
4887 vnc_display = "localhost:0,to=99";
4888 show_vnc_port = 1;
4889#endif
4890 }
4891
4892
4893 switch (display_type) {
4894 case DT_NOGRAPHIC:
4895 break;
4d3b6f6e 4896#if defined(CONFIG_CURSES)
993fbfdb
AL
4897 case DT_CURSES:
4898 curses_display_init(ds, full_screen);
4899 break;
4d3b6f6e 4900#endif
5b0753e0 4901#if defined(CONFIG_SDL)
993fbfdb
AL
4902 case DT_SDL:
4903 sdl_display_init(ds, full_screen, no_frame);
4904 break;
5b0753e0 4905#elif defined(CONFIG_COCOA)
993fbfdb
AL
4906 case DT_SDL:
4907 cocoa_display_init(ds, full_screen);
4908 break;
313aa567 4909#endif
993fbfdb
AL
4910 case DT_VNC:
4911 vnc_display_init(ds);
4912 if (vnc_display_open(ds, vnc_display) < 0)
4913 exit(1);
f92f8afe 4914
993fbfdb
AL
4915 if (show_vnc_port) {
4916 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
f92f8afe 4917 }
993fbfdb
AL
4918 break;
4919 default:
4920 break;
313aa567 4921 }
7d957bd8 4922 dpy_resize(ds);
5b08fc10 4923
3023f332
AL
4924 dcl = ds->listeners;
4925 while (dcl != NULL) {
4926 if (dcl->dpy_refresh != NULL) {
4927 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
4928 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
20d8a3ed 4929 }
3023f332 4930 dcl = dcl->next;
20d8a3ed 4931 }
3023f332 4932
993fbfdb 4933 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
9043b62d
BS
4934 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
4935 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
4936 }
4937
b473df6e 4938 text_consoles_set_display(ds);
2796dae0 4939
88589343
GH
4940 if (qemu_opts_foreach(&qemu_mon_opts, mon_init_func, NULL, 1) != 0)
4941 exit(1);
82c643ff 4942
59030a8c
AL
4943 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
4944 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
4945 gdbstub_dev);
4946 exit(1);
45669e00 4947 }
45669e00 4948
3418bd25
GH
4949 qdev_machine_creation_done();
4950
15ff7705
GH
4951 if (rom_load_all() != 0) {
4952 fprintf(stderr, "rom loading failed\n");
4953 exit(1);
4954 }
45a50b16 4955
504c2948 4956 qemu_system_reset();
05f2401e 4957 if (loadvm) {
03cd4655 4958 if (load_vmstate(loadvm) < 0) {
05f2401e
JQ
4959 autostart = 0;
4960 }
4961 }
d63d307f 4962
2bb8c10c 4963 if (incoming) {
5bb7910a 4964 qemu_start_incoming_migration(incoming);
6b99dadc 4965 } else if (autostart) {
c0f4ce77 4966 vm_start();
6b99dadc 4967 }
ffd843bc 4968
b9e82a59 4969#ifndef _WIN32
71e3ceb8
TS
4970 if (daemonize) {
4971 uint8_t status = 0;
4972 ssize_t len;
71e3ceb8
TS
4973
4974 again1:
4975 len = write(fds[1], &status, 1);
4976 if (len == -1 && (errno == EINTR))
4977 goto again1;
4978
4979 if (len != 1)
4980 exit(1);
4981
dc330e28
KS
4982 if (chdir("/")) {
4983 perror("not able to chdir to /");
4984 exit(1);
4985 }
40ff6d7e 4986 TFR(fd = qemu_open("/dev/null", O_RDWR));
71e3ceb8
TS
4987 if (fd == -1)
4988 exit(1);
0858532e 4989 }
71e3ceb8 4990
0858532e
AL
4991 if (run_as) {
4992 pwd = getpwnam(run_as);
4993 if (!pwd) {
4994 fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
4995 exit(1);
4996 }
4997 }
4998
4999 if (chroot_dir) {
5000 if (chroot(chroot_dir) < 0) {
5001 fprintf(stderr, "chroot failed\n");
5002 exit(1);
5003 }
dc330e28
KS
5004 if (chdir("/")) {
5005 perror("not able to chdir to /");
5006 exit(1);
5007 }
0858532e
AL
5008 }
5009
5010 if (run_as) {
5011 if (setgid(pwd->pw_gid) < 0) {
5012 fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
5013 exit(1);
5014 }
5015 if (setuid(pwd->pw_uid) < 0) {
5016 fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
5017 exit(1);
5018 }
5019 if (setuid(0) != -1) {
5020 fprintf(stderr, "Dropping privileges failed\n");
5021 exit(1);
5022 }
5023 }
0858532e
AL
5024
5025 if (daemonize) {
5026 dup2(fd, 0);
5027 dup2(fd, 1);
5028 dup2(fd, 2);
71e3ceb8 5029
0858532e 5030 close(fd);
71e3ceb8 5031 }
b9e82a59 5032#endif
71e3ceb8 5033
8a7ddc38 5034 main_loop();
40c3bac3 5035 quit_timers();
63a01ef8 5036 net_cleanup();
b46a8906 5037
0824d6fc
FB
5038 return 0;
5039}