]> Git Repo - qemu.git/blame - vl.c
projects / qemu.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Add KVM support to QEMU
[qemu.git] / vl.c
CommitLineData
0824d6fc 1/*
80cabfad 2 * QEMU System Emulator
5fafdf24 3 *
68d0f70e 4 * Copyright (c) 2003-2008 Fabrice Bellard
5fafdf24 5 *
1df912cf
FB		 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
0824d6fc 23 */
87ecb68b
PB		 24#include "hw/hw.h"
25#include "hw/boards.h"
26#include "hw/usb.h"
27#include "hw/pcmcia.h"
28#include "hw/pc.h"
87ecb68b
PB		 29#include "hw/audiodev.h"
30#include "hw/isa.h"
2e4d9fb1 31#include "hw/baum.h"
1ae26a18 32#include "hw/bt.h"
87ecb68b
PB		 33#include "net.h"
34#include "console.h"
35#include "sysemu.h"
36#include "gdbstub.h"
37#include "qemu-timer.h"
38#include "qemu-char.h"
39#include "block.h"
40#include "audio/audio.h"
5bb7910a 41#include "migration.h"
7ba1e619 42#include "kvm.h"
67b915a5 43
0824d6fc 44#include <unistd.h>
0824d6fc
FB		 45#include <fcntl.h>
46#include <signal.h>
47#include <time.h>
0824d6fc 48#include <errno.h>
67b915a5 49#include <sys/time.h>
c88676f8 50#include <zlib.h>
67b915a5
FB		 51
52#ifndef _WIN32
53#include <sys/times.h>
f1510b2c 54#include <sys/wait.h>
67b915a5 55#include <termios.h>
67b915a5 56#include <sys/mman.h>
f1510b2c
FB		 57#include <sys/ioctl.h>
58#include <sys/socket.h>
c94c8d64 59#include <netinet/in.h>
9d728e8c 60#include <dirent.h>
7c9d8e07 61#include <netdb.h>
cb4b976b
TS		 62#include <sys/select.h>
63#include <arpa/inet.h>
7d3505c5
FB		 64#ifdef _BSD
65#include <sys/stat.h>
128ab2ff 66#if !defined(__APPLE__) && !defined(__OpenBSD__)
7d3505c5 67#include <libutil.h>
83fb7adf 68#endif
128ab2ff
BS		 69#ifdef __OpenBSD__
70#include <net/if.h>
71#endif
5c40d2bd
TS		 72#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
73#include <freebsd/stdlib.h>
7d3505c5 74#else
223f0d72 75#ifdef __linux__
f1510b2c
FB		 76#include <linux/if.h>
77#include <linux/if_tun.h>
7d3505c5
FB		 78#include <pty.h>
79#include <malloc.h>
fd872598 80#include <linux/rtc.h>
bd494f4c
TS		 81
82/* For the benefit of older linux systems which don't supply it,
83 we use a local copy of hpet.h. */
84/* #include <linux/hpet.h> */
85#include "hpet.h"
86
e57a8c0e 87#include <linux/ppdev.h>
5867c88a 88#include <linux/parport.h>
223f0d72
BS		 89#endif
90#ifdef __sun__
d5d10bc3
TS		 91#include <sys/stat.h>
92#include <sys/ethernet.h>
93#include <sys/sockio.h>
d5d10bc3
TS		 94#include <netinet/arp.h>
95#include <netinet/in.h>
96#include <netinet/in_systm.h>
97#include <netinet/ip.h>
98#include <netinet/ip_icmp.h> // must come after ip.h
99#include <netinet/udp.h>
100#include <netinet/tcp.h>
101#include <net/if.h>
102#include <syslog.h>
103#include <stropts.h>
67b915a5 104#endif
7d3505c5 105#endif
ec530c81 106#endif
67b915a5 107
03ff3ca3
AL		 108#include "qemu_socket.h"
109
c20709aa
FB		 110#if defined(CONFIG_SLIRP)
111#include "libslirp.h"
112#endif
113
9892fbfb
BS		 114#if defined(__OpenBSD__)
115#include <util.h>
116#endif
117
8a16d273
TS		 118#if defined(CONFIG_VDE)
119#include <libvdeplug.h>
120#endif
121
67b915a5 122#ifdef _WIN32
7d3505c5 123#include <malloc.h>
67b915a5 124#include <sys/timeb.h>
4fddf62a 125#include <mmsystem.h>
67b915a5
FB		 126#define getopt_long_only getopt_long
127#define memalign(align, size) malloc(size)
128#endif
129
73332e5c 130#ifdef CONFIG_SDL
96bcd4f8 131#ifdef __APPLE__
83fb7adf 132#include <SDL/SDL.h>
96bcd4f8 133#endif
73332e5c 134#endif /* CONFIG_SDL */
0824d6fc 135
5b0753e0
FB		 136#ifdef CONFIG_COCOA
137#undef main
138#define main qemu_main
139#endif /* CONFIG_COCOA */
140
0824d6fc 141#include "disas.h"
fc01f7e7 142
8a7ddc38 143#include "exec-all.h"
0824d6fc 144
5a67135a 145#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
b46a8906 146#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
a14d6c8c
PB		 147#ifdef __sun__
148#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
149#else
150#define SMBD_COMMAND "/usr/sbin/smbd"
151#endif
f1510b2c 152
0824d6fc 153//#define DEBUG_UNUSED_IOPORT
fd872598 154//#define DEBUG_IOPORT
9dc63a1e
BS		 155//#define DEBUG_NET
156//#define DEBUG_SLIRP
330d0414 157
77d4bc34
FB		 158#ifdef TARGET_PPC
159#define DEFAULT_RAM_SIZE 144
160#else
1bfe856e 161#define DEFAULT_RAM_SIZE 128
77d4bc34 162#endif
313aa567 163
0d92ed30
PB		 164/* Max number of USB devices that can be specified on the commandline. */
165#define MAX_USB_CMDLINE 8
166
7dea1da4
FB		 167/* XXX: use a two level table to limit memory usage */
168#define MAX_IOPORTS 65536
0824d6fc 169
80cabfad 170const char *bios_dir = CONFIG_QEMU_SHAREDIR;
1192dad8 171const char *bios_name = NULL;
dbed7e40
BS		 172static void *ioport_opaque[MAX_IOPORTS];
173static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
174static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
e4bcb14c 175/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
faea38e7 176 to store the VM snapshots */
e4bcb14c
TS		 177DriveInfo drives_table[MAX_DRIVES+1];
178int nb_drives;
faea38e7 179/* point to the block driver where the snapshots are managed */
dbed7e40
BS		 180static BlockDriverState *bs_snapshots;
181static int vga_ram_size;
cb5a7aa8 182enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
0e82f34d 183DisplayState display_state;
a20dd508 184int nographic;
dbed7e40 185static int curses;
3d11d0eb 186const char* keyboard_layout = NULL;
313aa567 187int64_t ticks_per_sec;
00f82b8a 188ram_addr_t ram_size;
c4b1fcc0 189int nb_nics;
7c9d8e07 190NICInfo nd_table[MAX_NICS];
8a7ddc38 191int vm_running;
f6503059
AZ		 192static int rtc_utc = 1;
193static int rtc_date_offset = -1; /* -1 means no change */
1bfe856e 194int cirrus_vga_enabled = 1;
d34cab9f 195int vmsvga_enabled = 0;
d827220b
FB		 196#ifdef TARGET_SPARC
197int graphic_width = 1024;
198int graphic_height = 768;
eee0b836 199int graphic_depth = 8;
d827220b 200#else
1bfe856e
FB		 201int graphic_width = 800;
202int graphic_height = 600;
e9b137c2 203int graphic_depth = 15;
eee0b836 204#endif
dbed7e40
BS		 205static int full_screen = 0;
206static int no_frame = 0;
667accab 207int no_quit = 0;
8d11df9e 208CharDriverState *serial_hds[MAX_SERIAL_PORTS];
6508fe59 209CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
a09db21f
FB		 210#ifdef TARGET_I386
211int win2k_install_hack = 0;
212#endif
bb36d470 213int usb_enabled = 0;
6a00d601 214int smp_cpus = 1;
73fc9742 215const char *vnc_display;
6515b203 216int acpi_enabled = 1;
52ca8d6a 217int fd_bootchk = 1;
d1beab82 218int no_reboot = 0;
b2f76161 219int no_shutdown = 0;
9467cd46 220int cursor_hide = 1;
a171fe39 221int graphic_rotate = 0;
71e3ceb8 222int daemonize = 0;
9ae02555
TS		 223const char *option_rom[MAX_OPTION_ROMS];
224int nb_option_roms;
8e71621f 225int semihosting_enabled = 0;
2b8f2d41
AZ		 226#ifdef TARGET_ARM
227int old_param = 0;
228#endif
c35734b2 229const char *qemu_name;
3780e197 230int alt_grab = 0;
66508601
BS		 231#ifdef TARGET_SPARC
232unsigned int nb_prom_envs = 0;
233const char *prom_envs[MAX_PROM_ENVS];
234#endif
dbed7e40
BS		 235static int nb_drives_opt;
236static struct drive_opt {
609497ab
AZ		 237 const char *file;
238 char opt[1024];
239} drives_opt[MAX_DRIVES];
0824d6fc 240
ee5605e5
AZ		 241static CPUState *cur_cpu;
242static CPUState *next_cpu;
76ea08f9 243static int event_pending = 1;
bf20dc07 244/* Conversion factor from emulated instructions to virtual clock ticks. */
2e70f6ef 245static int icount_time_shift;
bf20dc07 246/* Arbitrarily pick 1MIPS as the minimum allowable speed. */
2e70f6ef
PB		 247#define MAX_ICOUNT_SHIFT 10
248/* Compensate for varying guest execution speed. */
249static int64_t qemu_icount_bias;
dbed7e40
BS		 250static QEMUTimer *icount_rt_timer;
251static QEMUTimer *icount_vm_timer;
ee5605e5 252
8fcb1b90
BS		 253uint8_t qemu_uuid[16];
254
0824d6fc 255/***********************************************************/
26aa7d72
FB		 256/* x86 ISA bus support */
257
258target_phys_addr_t isa_mem_base = 0;
3de388f6 259PicState2 *isa_pic;
0824d6fc 260
477e3edf
AL		 261static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
262static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
263
264static uint32_t ioport_read(int index, uint32_t address)
265{
266 static IOPortReadFunc *default_func[3] = {
267 default_ioport_readb,
268 default_ioport_readw,
269 default_ioport_readl
270 };
271 IOPortReadFunc *func = ioport_read_table[index][address];
272 if (!func)
273 func = default_func[index];
274 return func(ioport_opaque[address], address);
275}
276
277static void ioport_write(int index, uint32_t address, uint32_t data)
278{
279 static IOPortWriteFunc *default_func[3] = {
280 default_ioport_writeb,
281 default_ioport_writew,
282 default_ioport_writel
283 };
284 IOPortWriteFunc *func = ioport_write_table[index][address];
285 if (!func)
286 func = default_func[index];
287 func(ioport_opaque[address], address, data);
288}
289
9596ebb7 290static uint32_t default_ioport_readb(void *opaque, uint32_t address)
0824d6fc
FB		 291{
292#ifdef DEBUG_UNUSED_IOPORT
1196be37 293 fprintf(stderr, "unused inb: port=0x%04x\n", address);
0824d6fc 294#endif
fc01f7e7 295 return 0xff;
0824d6fc
FB		 296}
297
9596ebb7 298static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
0824d6fc
FB		 299{
300#ifdef DEBUG_UNUSED_IOPORT
1196be37 301 fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
0824d6fc
FB		 302#endif
303}
304
305/* default is to make two byte accesses */
9596ebb7 306static uint32_t default_ioport_readw(void *opaque, uint32_t address)
0824d6fc
FB		 307{
308 uint32_t data;
477e3edf 309 data = ioport_read(0, address);
db45c29a 310 address = (address + 1) & (MAX_IOPORTS - 1);
477e3edf 311 data |= ioport_read(0, address) << 8;
0824d6fc
FB		 312 return data;
313}
314
9596ebb7 315static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
0824d6fc 316{
477e3edf 317 ioport_write(0, address, data & 0xff);
db45c29a 318 address = (address + 1) & (MAX_IOPORTS - 1);
477e3edf 319 ioport_write(0, address, (data >> 8) & 0xff);
0824d6fc
FB		 320}
321
9596ebb7 322static uint32_t default_ioport_readl(void *opaque, uint32_t address)
0824d6fc 323{
fc01f7e7 324#ifdef DEBUG_UNUSED_IOPORT
1196be37 325 fprintf(stderr, "unused inl: port=0x%04x\n", address);
fc01f7e7
FB		 326#endif
327 return 0xffffffff;
0824d6fc
FB		 328}
329
9596ebb7 330static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
0824d6fc 331{
fc01f7e7 332#ifdef DEBUG_UNUSED_IOPORT
1196be37 333 fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
fc01f7e7 334#endif
0824d6fc
FB		 335}
336
fc01f7e7 337/* size is the word size in byte */
5fafdf24 338int register_ioport_read(int start, int length, int size,
c4b1fcc0 339 IOPortReadFunc *func, void *opaque)
f1510b2c 340{
fc01f7e7 341 int i, bsize;
f1510b2c 342
c4b1fcc0 343 if (size == 1) {
fc01f7e7 344 bsize = 0;
c4b1fcc0 345 } else if (size == 2) {
fc01f7e7 346 bsize = 1;
c4b1fcc0 347 } else if (size == 4) {
fc01f7e7 348 bsize = 2;
c4b1fcc0 349 } else {
88fdf56f 350 hw_error("register_ioport_read: invalid size");
fc01f7e7 351 return -1;
c4b1fcc0
FB		 352 }
353 for(i = start; i < start + length; i += size) {
fc01f7e7 354 ioport_read_table[bsize][i] = func;
c4b1fcc0 355 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
88fdf56f 356 hw_error("register_ioport_read: invalid opaque");
c4b1fcc0
FB		 357 ioport_opaque[i] = opaque;
358 }
f1510b2c
FB		 359 return 0;
360}
361
fc01f7e7 362/* size is the word size in byte */
5fafdf24 363int register_ioport_write(int start, int length, int size,
c4b1fcc0 364 IOPortWriteFunc *func, void *opaque)
f1510b2c 365{
fc01f7e7 366 int i, bsize;
f1510b2c 367
c4b1fcc0 368 if (size == 1) {
fc01f7e7 369 bsize = 0;
c4b1fcc0 370 } else if (size == 2) {
fc01f7e7 371 bsize = 1;
c4b1fcc0 372 } else if (size == 4) {
fc01f7e7 373 bsize = 2;
c4b1fcc0 374 } else {
88fdf56f 375 hw_error("register_ioport_write: invalid size");
fc01f7e7 376 return -1;
c4b1fcc0
FB		 377 }
378 for(i = start; i < start + length; i += size) {
fc01f7e7 379 ioport_write_table[bsize][i] = func;
88fdf56f
AZ		 380 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
381 hw_error("register_ioport_write: invalid opaque");
c4b1fcc0
FB		 382 ioport_opaque[i] = opaque;
383 }
f1510b2c
FB		 384 return 0;
385}
386
69b91039
FB		 387void isa_unassign_ioport(int start, int length)
388{
389 int i;
390
391 for(i = start; i < start + length; i++) {
392 ioport_read_table[0][i] = default_ioport_readb;
393 ioport_read_table[1][i] = default_ioport_readw;
394 ioport_read_table[2][i] = default_ioport_readl;
395
396 ioport_write_table[0][i] = default_ioport_writeb;
397 ioport_write_table[1][i] = default_ioport_writew;
398 ioport_write_table[2][i] = default_ioport_writel;
399 }
400}
401
20f32282
FB		 402/***********************************************************/
403
c45886db 404void cpu_outb(CPUState *env, int addr, int val)
0824d6fc 405{
fd872598
FB		 406#ifdef DEBUG_IOPORT
407 if (loglevel & CPU_LOG_IOPORT)
408 fprintf(logfile, "outb: %04x %02x\n", addr, val);
3b46e624 409#endif
477e3edf 410 ioport_write(0, addr, val);
89bfc105
FB		 411#ifdef USE_KQEMU
412 if (env)
413 env->last_io_time = cpu_get_time_fast();
414#endif
0824d6fc
FB		 415}
416
c45886db 417void cpu_outw(CPUState *env, int addr, int val)
0824d6fc 418{
fd872598
FB		 419#ifdef DEBUG_IOPORT
420 if (loglevel & CPU_LOG_IOPORT)
421 fprintf(logfile, "outw: %04x %04x\n", addr, val);
3b46e624 422#endif
477e3edf 423 ioport_write(1, addr, val);
89bfc105
FB		 424#ifdef USE_KQEMU
425 if (env)
426 env->last_io_time = cpu_get_time_fast();
427#endif
0824d6fc
FB		 428}
429
c45886db 430void cpu_outl(CPUState *env, int addr, int val)
0824d6fc 431{
fd872598
FB		 432#ifdef DEBUG_IOPORT
433 if (loglevel & CPU_LOG_IOPORT)
434 fprintf(logfile, "outl: %04x %08x\n", addr, val);
435#endif
477e3edf 436 ioport_write(2, addr, val);
89bfc105
FB		 437#ifdef USE_KQEMU
438 if (env)
439 env->last_io_time = cpu_get_time_fast();
440#endif
0824d6fc
FB		 441}
442
c45886db 443int cpu_inb(CPUState *env, int addr)
0824d6fc 444{
fd872598 445 int val;
477e3edf 446 val = ioport_read(0, addr);
fd872598
FB		 447#ifdef DEBUG_IOPORT
448 if (loglevel & CPU_LOG_IOPORT)
449 fprintf(logfile, "inb : %04x %02x\n", addr, val);
89bfc105
FB		 450#endif
451#ifdef USE_KQEMU
452 if (env)
453 env->last_io_time = cpu_get_time_fast();
fd872598
FB		 454#endif
455 return val;
0824d6fc
FB		 456}
457
c45886db 458int cpu_inw(CPUState *env, int addr)
0824d6fc 459{
fd872598 460 int val;
477e3edf 461 val = ioport_read(1, addr);
fd872598
FB		 462#ifdef DEBUG_IOPORT
463 if (loglevel & CPU_LOG_IOPORT)
464 fprintf(logfile, "inw : %04x %04x\n", addr, val);
89bfc105
FB		 465#endif
466#ifdef USE_KQEMU
467 if (env)
468 env->last_io_time = cpu_get_time_fast();
fd872598
FB		 469#endif
470 return val;
0824d6fc
FB		 471}
472
c45886db 473int cpu_inl(CPUState *env, int addr)
0824d6fc 474{
fd872598 475 int val;
477e3edf 476 val = ioport_read(2, addr);
fd872598
FB		 477#ifdef DEBUG_IOPORT
478 if (loglevel & CPU_LOG_IOPORT)
479 fprintf(logfile, "inl : %04x %08x\n", addr, val);
89bfc105
FB		 480#endif
481#ifdef USE_KQEMU
482 if (env)
483 env->last_io_time = cpu_get_time_fast();
fd872598
FB		 484#endif
485 return val;
0824d6fc
FB		 486}
487
488/***********************************************************/
0824d6fc
FB		 489void hw_error(const char *fmt, ...)
490{
491 va_list ap;
6a00d601 492 CPUState *env;
0824d6fc
FB		 493
494 va_start(ap, fmt);
495 fprintf(stderr, "qemu: hardware error: ");
496 vfprintf(stderr, fmt, ap);
497 fprintf(stderr, "\n");
6a00d601
FB		 498 for(env = first_cpu; env != NULL; env = env->next_cpu) {
499 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
0824d6fc 500#ifdef TARGET_I386
6a00d601 501 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
c45886db 502#else
6a00d601 503 cpu_dump_state(env, stderr, fprintf, 0);
0824d6fc 504#endif
6a00d601 505 }
0824d6fc
FB		 506 va_end(ap);
507 abort();
508}
509
63066f4f
FB		 510/***********************************************************/
511/* keyboard/mouse */
512
513static QEMUPutKBDEvent *qemu_put_kbd_event;
514static void *qemu_put_kbd_event_opaque;
455204eb
TS		 515static QEMUPutMouseEntry *qemu_put_mouse_event_head;
516static QEMUPutMouseEntry *qemu_put_mouse_event_current;
63066f4f
FB		 517
518void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
519{
520 qemu_put_kbd_event_opaque = opaque;
521 qemu_put_kbd_event = func;
522}
523
455204eb
TS		 524QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
525 void *opaque, int absolute,
526 const char *name)
63066f4f 527{
455204eb
TS		 528 QEMUPutMouseEntry *s, *cursor;
529
530 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
531 if (!s)
532 return NULL;
533
534 s->qemu_put_mouse_event = func;
535 s->qemu_put_mouse_event_opaque = opaque;
536 s->qemu_put_mouse_event_absolute = absolute;
537 s->qemu_put_mouse_event_name = qemu_strdup(name);
538 s->next = NULL;
539
540 if (!qemu_put_mouse_event_head) {
541 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
542 return s;
543 }
544
545 cursor = qemu_put_mouse_event_head;
546 while (cursor->next != NULL)
547 cursor = cursor->next;
548
549 cursor->next = s;
550 qemu_put_mouse_event_current = s;
551
552 return s;
553}
554
555void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
556{
557 QEMUPutMouseEntry *prev = NULL, *cursor;
558
559 if (!qemu_put_mouse_event_head || entry == NULL)
560 return;
561
562 cursor = qemu_put_mouse_event_head;
563 while (cursor != NULL && cursor != entry) {
564 prev = cursor;
565 cursor = cursor->next;
566 }
567
568 if (cursor == NULL) // does not exist or list empty
569 return;
570 else if (prev == NULL) { // entry is head
571 qemu_put_mouse_event_head = cursor->next;
572 if (qemu_put_mouse_event_current == entry)
573 qemu_put_mouse_event_current = cursor->next;
574 qemu_free(entry->qemu_put_mouse_event_name);
575 qemu_free(entry);
576 return;
577 }
578
579 prev->next = entry->next;
580
581 if (qemu_put_mouse_event_current == entry)
582 qemu_put_mouse_event_current = prev;
583
584 qemu_free(entry->qemu_put_mouse_event_name);
585 qemu_free(entry);
63066f4f
FB		 586}
587
588void kbd_put_keycode(int keycode)
589{
590 if (qemu_put_kbd_event) {
591 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
592 }
593}
594
595void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
596{
455204eb
TS		 597 QEMUPutMouseEvent *mouse_event;
598 void *mouse_event_opaque;
a171fe39 599 int width;
455204eb
TS		 600
601 if (!qemu_put_mouse_event_current) {
602 return;
603 }
604
605 mouse_event =
606 qemu_put_mouse_event_current->qemu_put_mouse_event;
607 mouse_event_opaque =
608 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
609
610 if (mouse_event) {
a171fe39
AZ		 611 if (graphic_rotate) {
612 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
613 width = 0x7fff;
614 else
b94ed577 615 width = graphic_width - 1;
a171fe39
AZ		 616 mouse_event(mouse_event_opaque,
617 width - dy, dx, dz, buttons_state);
618 } else
619 mouse_event(mouse_event_opaque,
620 dx, dy, dz, buttons_state);
63066f4f
FB		 621 }
622}
623
09b26c5e
FB		 624int kbd_mouse_is_absolute(void)
625{
455204eb
TS		 626 if (!qemu_put_mouse_event_current)
627 return 0;
628
629 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
630}
631
632void do_info_mice(void)
633{
634 QEMUPutMouseEntry *cursor;
635 int index = 0;
636
637 if (!qemu_put_mouse_event_head) {
638 term_printf("No mouse devices connected\n");
639 return;
640 }
641
642 term_printf("Mouse devices available:\n");
643 cursor = qemu_put_mouse_event_head;
644 while (cursor != NULL) {
645 term_printf("%c Mouse #%d: %s\n",
646 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
647 index, cursor->qemu_put_mouse_event_name);
648 index++;
649 cursor = cursor->next;
650 }
651}
652
653void do_mouse_set(int index)
654{
655 QEMUPutMouseEntry *cursor;
656 int i = 0;
657
658 if (!qemu_put_mouse_event_head) {
659 term_printf("No mouse devices connected\n");
660 return;
661 }
662
663 cursor = qemu_put_mouse_event_head;
664 while (cursor != NULL && index != i) {
665 i++;
666 cursor = cursor->next;
667 }
668
669 if (cursor != NULL)
670 qemu_put_mouse_event_current = cursor;
671 else
672 term_printf("Mouse at given index not found\n");
09b26c5e
FB		 673}
674
1dce7c3c
FB		 675/* compute with 96 bit intermediate result: (a*b)/c */
676uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
0824d6fc 677{
1dce7c3c
FB		 678 union {
679 uint64_t ll;
680 struct {
681#ifdef WORDS_BIGENDIAN
682 uint32_t high, low;
683#else
684 uint32_t low, high;
3b46e624 685#endif
1dce7c3c
FB		 686 } l;
687 } u, res;
688 uint64_t rl, rh;
0824d6fc 689
1dce7c3c
FB		 690 u.ll = a;
691 rl = (uint64_t)u.l.low * (uint64_t)b;
692 rh = (uint64_t)u.l.high * (uint64_t)b;
693 rh += (rl >> 32);
694 res.l.high = rh / c;
695 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
696 return res.ll;
34865134
FB		 697}
698
1dce7c3c
FB		 699/***********************************************************/
700/* real time host monotonic timer */
34865134 701
1dce7c3c 702#define QEMU_TIMER_BASE 1000000000LL
34865134 703
1dce7c3c 704#ifdef WIN32
0824d6fc 705
1dce7c3c 706static int64_t clock_freq;
1115dde7 707
1dce7c3c 708static void init_get_clock(void)
1115dde7 709{
a8e5ac33
FB		 710 LARGE_INTEGER freq;
711 int ret;
1dce7c3c
FB		 712 ret = QueryPerformanceFrequency(&freq);
713 if (ret == 0) {
714 fprintf(stderr, "Could not calibrate ticks\n");
715 exit(1);
716 }
717 clock_freq = freq.QuadPart;
1115dde7
FB		 718}
719
1dce7c3c 720static int64_t get_clock(void)
b8076a74 721{
1dce7c3c
FB		 722 LARGE_INTEGER ti;
723 QueryPerformanceCounter(&ti);
724 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
b8076a74
FB		 725}
726
1dce7c3c 727#else
90cb9493 728
1dce7c3c
FB		 729static int use_rt_clock;
730
731static void init_get_clock(void)
90cb9493 732{
1dce7c3c 733 use_rt_clock = 0;
60759371 734#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
1dce7c3c
FB		 735 {
736 struct timespec ts;
737 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
738 use_rt_clock = 1;
739 }
740 }
741#endif
90cb9493
FB		 742}
743
1dce7c3c 744static int64_t get_clock(void)
fdbb4691 745{
60759371 746#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000)
1dce7c3c
FB		 747 if (use_rt_clock) {
748 struct timespec ts;
749 clock_gettime(CLOCK_MONOTONIC, &ts);
750 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
5fafdf24 751 } else
fdbb4691 752#endif
1dce7c3c
FB		 753 {
754 /* XXX: using gettimeofday leads to problems if the date
755 changes, so it should be avoided. */
756 struct timeval tv;
757 gettimeofday(&tv, NULL);
758 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
759 }
fdbb4691 760}
34865134
FB		 761#endif
762
2e70f6ef
PB		 763/* Return the virtual CPU time, based on the instruction counter. */
764static int64_t cpu_get_icount(void)
765{
766 int64_t icount;
767 CPUState *env = cpu_single_env;;
768 icount = qemu_icount;
769 if (env) {
770 if (!can_do_io(env))
771 fprintf(stderr, "Bad clock read\n");
772 icount -= (env->icount_decr.u16.low + env->icount_extra);
773 }
774 return qemu_icount_bias + (icount << icount_time_shift);
775}
776
1dce7c3c
FB		 777/***********************************************************/
778/* guest cycle counter */
779
eade0f19 780static int64_t cpu_ticks_prev;
34865134 781static int64_t cpu_ticks_offset;
1dce7c3c 782static int64_t cpu_clock_offset;
8a7ddc38 783static int cpu_ticks_enabled;
34865134 784
1dce7c3c
FB		 785/* return the host CPU cycle counter and handle stop/restart */
786int64_t cpu_get_ticks(void)
34865134 787{
2e70f6ef
PB		 788 if (use_icount) {
789 return cpu_get_icount();
790 }
8a7ddc38
FB		 791 if (!cpu_ticks_enabled) {
792 return cpu_ticks_offset;
793 } else {
eade0f19
FB		 794 int64_t ticks;
795 ticks = cpu_get_real_ticks();
796 if (cpu_ticks_prev > ticks) {
797 /* Note: non increasing ticks may happen if the host uses
798 software suspend */
799 cpu_ticks_offset += cpu_ticks_prev - ticks;
800 }
801 cpu_ticks_prev = ticks;
802 return ticks + cpu_ticks_offset;
8a7ddc38 803 }
34865134
FB		 804}
805
1dce7c3c
FB		 806/* return the host CPU monotonic timer and handle stop/restart */
807static int64_t cpu_get_clock(void)
808{
809 int64_t ti;
810 if (!cpu_ticks_enabled) {
811 return cpu_clock_offset;
812 } else {
813 ti = get_clock();
814 return ti + cpu_clock_offset;
815 }
816}
817
34865134
FB		 818/* enable cpu_get_ticks() */
819void cpu_enable_ticks(void)
820{
8a7ddc38
FB		 821 if (!cpu_ticks_enabled) {
822 cpu_ticks_offset -= cpu_get_real_ticks();
1dce7c3c 823 cpu_clock_offset -= get_clock();
8a7ddc38
FB		 824 cpu_ticks_enabled = 1;
825 }
34865134
FB		 826}
827
828/* disable cpu_get_ticks() : the clock is stopped. You must not call
829 cpu_get_ticks() after that. */
830void cpu_disable_ticks(void)
831{
8a7ddc38
FB		 832 if (cpu_ticks_enabled) {
833 cpu_ticks_offset = cpu_get_ticks();
1dce7c3c 834 cpu_clock_offset = cpu_get_clock();
8a7ddc38
FB		 835 cpu_ticks_enabled = 0;
836 }
34865134
FB		 837}
838
1dce7c3c
FB		 839/***********************************************************/
840/* timers */
5fafdf24 841
8a7ddc38
FB		 842#define QEMU_TIMER_REALTIME 0
843#define QEMU_TIMER_VIRTUAL 1
844
845struct QEMUClock {
846 int type;
847 /* XXX: add frequency */
848};
849
850struct QEMUTimer {
851 QEMUClock *clock;
852 int64_t expire_time;
853 QEMUTimerCB *cb;
854 void *opaque;
855 struct QEMUTimer *next;
856};
857
c8994013
TS		 858struct qemu_alarm_timer {
859 char const *name;
efe75411 860 unsigned int flags;
c8994013
TS		 861
862 int (*start)(struct qemu_alarm_timer *t);
863 void (*stop)(struct qemu_alarm_timer *t);
efe75411 864 void (*rearm)(struct qemu_alarm_timer *t);
c8994013
TS		 865 void *priv;
866};
867
efe75411 868#define ALARM_FLAG_DYNTICKS 0x1
d5d08334 869#define ALARM_FLAG_EXPIRED 0x2
efe75411
TS		 870
871static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
872{
873 return t->flags & ALARM_FLAG_DYNTICKS;
874}
875
876static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
877{
878 if (!alarm_has_dynticks(t))
879 return;
880
881 t->rearm(t);
882}
883
884/* TODO: MIN_TIMER_REARM_US should be optimized */
885#define MIN_TIMER_REARM_US 250
886
c8994013 887static struct qemu_alarm_timer *alarm_timer;
8a7ddc38 888
40c3bac3 889#ifdef _WIN32
c8994013
TS		 890
891struct qemu_alarm_win32 {
892 MMRESULT timerId;
893 HANDLE host_alarm;
894 unsigned int period;
895} alarm_win32_data = {0, NULL, -1};
896
897static int win32_start_timer(struct qemu_alarm_timer *t);
898static void win32_stop_timer(struct qemu_alarm_timer *t);
efe75411 899static void win32_rearm_timer(struct qemu_alarm_timer *t);
c8994013 900
40c3bac3 901#else
c8994013
TS		 902
903static int unix_start_timer(struct qemu_alarm_timer *t);
904static void unix_stop_timer(struct qemu_alarm_timer *t);
905
231c6586
TS		 906#ifdef __linux__
907
efe75411
TS		 908static int dynticks_start_timer(struct qemu_alarm_timer *t);
909static void dynticks_stop_timer(struct qemu_alarm_timer *t);
910static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
911
c40ec5a9
TS		 912static int hpet_start_timer(struct qemu_alarm_timer *t);
913static void hpet_stop_timer(struct qemu_alarm_timer *t);
914
c8994013
TS		 915static int rtc_start_timer(struct qemu_alarm_timer *t);
916static void rtc_stop_timer(struct qemu_alarm_timer *t);
917
efe75411 918#endif /* __linux__ */
8a7ddc38 919
c8994013
TS		 920#endif /* _WIN32 */
921
2e70f6ef 922/* Correlation between real and virtual time is always going to be
bf20dc07 923 fairly approximate, so ignore small variation.
2e70f6ef
PB		 924 When the guest is idle real and virtual time will be aligned in
925 the IO wait loop. */
926#define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
927
928static void icount_adjust(void)
929{
930 int64_t cur_time;
931 int64_t cur_icount;
932 int64_t delta;
933 static int64_t last_delta;
934 /* If the VM is not running, then do nothing. */
935 if (!vm_running)
936 return;
937
938 cur_time = cpu_get_clock();
939 cur_icount = qemu_get_clock(vm_clock);
940 delta = cur_icount - cur_time;
941 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
942 if (delta > 0
943 && last_delta + ICOUNT_WOBBLE < delta * 2
944 && icount_time_shift > 0) {
945 /* The guest is getting too far ahead. Slow time down. */
946 icount_time_shift--;
947 }
948 if (delta < 0
949 && last_delta - ICOUNT_WOBBLE > delta * 2
950 && icount_time_shift < MAX_ICOUNT_SHIFT) {
951 /* The guest is getting too far behind. Speed time up. */
952 icount_time_shift++;
953 }
954 last_delta = delta;
955 qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
956}
957
958static void icount_adjust_rt(void * opaque)
959{
960 qemu_mod_timer(icount_rt_timer,
961 qemu_get_clock(rt_clock) + 1000);
962 icount_adjust();
963}
964
965static void icount_adjust_vm(void * opaque)
966{
967 qemu_mod_timer(icount_vm_timer,
968 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
969 icount_adjust();
970}
971
972static void init_icount_adjust(void)
973{
974 /* Have both realtime and virtual time triggers for speed adjustment.
975 The realtime trigger catches emulated time passing too slowly,
976 the virtual time trigger catches emulated time passing too fast.
977 Realtime triggers occur even when idle, so use them less frequently
978 than VM triggers. */
979 icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
980 qemu_mod_timer(icount_rt_timer,
981 qemu_get_clock(rt_clock) + 1000);
982 icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
983 qemu_mod_timer(icount_vm_timer,
984 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
985}
986
c8994013 987static struct qemu_alarm_timer alarm_timers[] = {
efe75411 988#ifndef _WIN32
231c6586 989#ifdef __linux__
efe75411
TS		 990 {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
991 dynticks_stop_timer, dynticks_rearm_timer, NULL},
c40ec5a9 992 /* HPET - if available - is preferred */
efe75411 993 {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
c40ec5a9 994 /* ...otherwise try RTC */
efe75411 995 {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
c8994013 996#endif
efe75411 997 {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
c8994013 998#else
efe75411
TS		 999 {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
1000 win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
1001 {"win32", 0, win32_start_timer,
1002 win32_stop_timer, NULL, &alarm_win32_data},
c8994013
TS		 1003#endif
1004 {NULL, }
1005};
1006
3f47aa8c 1007static void show_available_alarms(void)
f3dcfada
TS		 1008{
1009 int i;
1010
1011 printf("Available alarm timers, in order of precedence:\n");
1012 for (i = 0; alarm_timers[i].name; i++)
1013 printf("%s\n", alarm_timers[i].name);
1014}
1015
1016static void configure_alarms(char const *opt)
1017{
1018 int i;
1019 int cur = 0;
1020 int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1;
1021 char *arg;
1022 char *name;
2e70f6ef 1023 struct qemu_alarm_timer tmp;
f3dcfada 1024
3adda04c 1025 if (!strcmp(opt, "?")) {
f3dcfada
TS		 1026 show_available_alarms();
1027 exit(0);
1028 }
1029
1030 arg = strdup(opt);
1031
1032 /* Reorder the array */
1033 name = strtok(arg, ",");
1034 while (name) {
e2b577e5 1035 for (i = 0; i < count && alarm_timers[i].name; i++) {
f3dcfada
TS		 1036 if (!strcmp(alarm_timers[i].name, name))
1037 break;
1038 }
1039
1040 if (i == count) {
1041 fprintf(stderr, "Unknown clock %s\n", name);
1042 goto next;
1043 }
1044
1045 if (i < cur)
1046 /* Ignore */
1047 goto next;
1048
1049 /* Swap */
1050 tmp = alarm_timers[i];
1051 alarm_timers[i] = alarm_timers[cur];
1052 alarm_timers[cur] = tmp;
1053
1054 cur++;
1055next:
1056 name = strtok(NULL, ",");
1057 }
1058
1059 free(arg);
1060
1061 if (cur) {
2e70f6ef 1062 /* Disable remaining timers */
f3dcfada
TS		 1063 for (i = cur; i < count; i++)
1064 alarm_timers[i].name = NULL;
3adda04c
AJ		 1065 } else {
1066 show_available_alarms();
1067 exit(1);
f3dcfada 1068 }
f3dcfada
TS		 1069}
1070
c8994013
TS		 1071QEMUClock *rt_clock;
1072QEMUClock *vm_clock;
1073
1074static QEMUTimer *active_timers[2];
1075
9596ebb7 1076static QEMUClock *qemu_new_clock(int type)
8a7ddc38
FB		 1077{
1078 QEMUClock *clock;
1079 clock = qemu_mallocz(sizeof(QEMUClock));
1080 if (!clock)
1081 return NULL;
1082 clock->type = type;
1083 return clock;
1084}
1085
1086QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
1087{
1088 QEMUTimer *ts;
1089
1090 ts = qemu_mallocz(sizeof(QEMUTimer));
1091 ts->clock = clock;
1092 ts->cb = cb;
1093 ts->opaque = opaque;
1094 return ts;
1095}
1096
1097void qemu_free_timer(QEMUTimer *ts)
1098{
1099 qemu_free(ts);
1100}
1101
1102/* stop a timer, but do not dealloc it */
1103void qemu_del_timer(QEMUTimer *ts)
1104{
1105 QEMUTimer **pt, *t;
1106
1107 /* NOTE: this code must be signal safe because
1108 qemu_timer_expired() can be called from a signal. */
1109 pt = &active_timers[ts->clock->type];
1110 for(;;) {
1111 t = *pt;
1112 if (!t)
1113 break;
1114 if (t == ts) {
1115 *pt = t->next;
1116 break;
1117 }
1118 pt = &t->next;
1119 }
1120}
1121
1122/* modify the current timer so that it will be fired when current_time
1123 >= expire_time. The corresponding callback will be called. */
1124void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
1125{
1126 QEMUTimer **pt, *t;
1127
1128 qemu_del_timer(ts);
1129
1130 /* add the timer in the sorted list */
1131 /* NOTE: this code must be signal safe because
1132 qemu_timer_expired() can be called from a signal. */
1133 pt = &active_timers[ts->clock->type];
1134 for(;;) {
1135 t = *pt;
1136 if (!t)
1137 break;
5fafdf24 1138 if (t->expire_time > expire_time)
8a7ddc38
FB		 1139 break;
1140 pt = &t->next;
1141 }
1142 ts->expire_time = expire_time;
1143 ts->next = *pt;
1144 *pt = ts;
d5d08334
AZ		 1145
1146 /* Rearm if necessary */
2e70f6ef
PB		 1147 if (pt == &active_timers[ts->clock->type]) {
1148 if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
1149 qemu_rearm_alarm_timer(alarm_timer);
1150 }
1151 /* Interrupt execution to force deadline recalculation. */
1152 if (use_icount && cpu_single_env) {
1153 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
1154 }
1155 }
8a7ddc38
FB		 1156}
1157
1158int qemu_timer_pending(QEMUTimer *ts)
1159{
1160 QEMUTimer *t;
1161 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
1162 if (t == ts)
1163 return 1;
1164 }
1165 return 0;
1166}
1167
1168static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
1169{
1170 if (!timer_head)
1171 return 0;
1172 return (timer_head->expire_time <= current_time);
1173}
1174
1175static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
1176{
1177 QEMUTimer *ts;
3b46e624 1178
8a7ddc38
FB		 1179 for(;;) {
1180 ts = *ptimer_head;
e95c8d51 1181 if (!ts || ts->expire_time > current_time)
8a7ddc38
FB		 1182 break;
1183 /* remove timer from the list before calling the callback */
1184 *ptimer_head = ts->next;
1185 ts->next = NULL;
3b46e624 1186
8a7ddc38
FB		 1187 /* run the callback (the timer list can be modified) */
1188 ts->cb(ts->opaque);
1189 }
1190}
1191
1192int64_t qemu_get_clock(QEMUClock *clock)
1193{
1194 switch(clock->type) {
1195 case QEMU_TIMER_REALTIME:
1dce7c3c 1196 return get_clock() / 1000000;
8a7ddc38
FB		 1197 default:
1198 case QEMU_TIMER_VIRTUAL:
2e70f6ef
PB		 1199 if (use_icount) {
1200 return cpu_get_icount();
1201 } else {
1202 return cpu_get_clock();
1203 }
8a7ddc38
FB		 1204 }
1205}
1206
1dce7c3c
FB		 1207static void init_timers(void)
1208{
1209 init_get_clock();
1210 ticks_per_sec = QEMU_TIMER_BASE;
1211 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
1212 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
1213}
1214
8a7ddc38
FB		 1215/* save a timer */
1216void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
1217{
1218 uint64_t expire_time;
1219
1220 if (qemu_timer_pending(ts)) {
1221 expire_time = ts->expire_time;
1222 } else {
1223 expire_time = -1;
1224 }
1225 qemu_put_be64(f, expire_time);
1226}
1227
1228void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
1229{
1230 uint64_t expire_time;
1231
1232 expire_time = qemu_get_be64(f);
1233 if (expire_time != -1) {
1234 qemu_mod_timer(ts, expire_time);
1235 } else {
1236 qemu_del_timer(ts);
1237 }
1238}
1239
1240static void timer_save(QEMUFile *f, void *opaque)
1241{
1242 if (cpu_ticks_enabled) {
1243 hw_error("cannot save state if virtual timers are running");
1244 }
bee8d684
TS		 1245 qemu_put_be64(f, cpu_ticks_offset);
1246 qemu_put_be64(f, ticks_per_sec);
1247 qemu_put_be64(f, cpu_clock_offset);
8a7ddc38
FB		 1248}
1249
1250static int timer_load(QEMUFile *f, void *opaque, int version_id)
1251{
c88676f8 1252 if (version_id != 1 && version_id != 2)
8a7ddc38
FB		 1253 return -EINVAL;
1254 if (cpu_ticks_enabled) {
1255 return -EINVAL;
1256 }
bee8d684
TS		 1257 cpu_ticks_offset=qemu_get_be64(f);
1258 ticks_per_sec=qemu_get_be64(f);
c88676f8 1259 if (version_id == 2) {
bee8d684 1260 cpu_clock_offset=qemu_get_be64(f);
c88676f8 1261 }
8a7ddc38
FB		 1262 return 0;
1263}
1264
67b915a5 1265#ifdef _WIN32
5fafdf24 1266void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
67b915a5
FB		 1267 DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
1268#else
8a7ddc38 1269static void host_alarm_handler(int host_signum)
67b915a5 1270#endif
8a7ddc38 1271{
02ba45c5
FB		 1272#if 0
1273#define DISP_FREQ 1000
1274 {
1275 static int64_t delta_min = INT64_MAX;
1276 static int64_t delta_max, delta_cum, last_clock, delta, ti;
1277 static int count;
1278 ti = qemu_get_clock(vm_clock);
1279 if (last_clock != 0) {
1280 delta = ti - last_clock;
1281 if (delta < delta_min)
1282 delta_min = delta;
1283 if (delta > delta_max)
1284 delta_max = delta;
1285 delta_cum += delta;
1286 if (++count == DISP_FREQ) {
26a76461 1287 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
02ba45c5
FB		 1288 muldiv64(delta_min, 1000000, ticks_per_sec),
1289 muldiv64(delta_max, 1000000, ticks_per_sec),
1290 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
1291 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
1292 count = 0;
1293 delta_min = INT64_MAX;
1294 delta_max = 0;
1295 delta_cum = 0;
1296 }
1297 }
1298 last_clock = ti;
1299 }
1300#endif
efe75411 1301 if (alarm_has_dynticks(alarm_timer) ||
2e70f6ef
PB		 1302 (!use_icount &&
1303 qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1304 qemu_get_clock(vm_clock))) ||
8a7ddc38
FB		 1305 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1306 qemu_get_clock(rt_clock))) {
06d9f2f7 1307#ifdef _WIN32
c8994013
TS		 1308 struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv;
1309 SetEvent(data->host_alarm);
06d9f2f7 1310#endif
ee5605e5
AZ		 1311 CPUState *env = next_cpu;
1312
d5d08334
AZ		 1313 alarm_timer->flags |= ALARM_FLAG_EXPIRED;
1314
4f8eb8da
AZ		 1315 if (env) {
1316 /* stop the currently executing cpu because a timer occured */
1317 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
a332e112 1318#ifdef USE_KQEMU
4f8eb8da
AZ		 1319 if (env->kqemu_enabled) {
1320 kqemu_cpu_interrupt(env);
1321 }
ee5605e5 1322#endif
4f8eb8da 1323 }
ee5605e5 1324 event_pending = 1;
8a7ddc38
FB		 1325 }
1326}
1327
2e70f6ef 1328static int64_t qemu_next_deadline(void)
efe75411 1329{
2e70f6ef 1330 int64_t delta;
efe75411
TS		 1331
1332 if (active_timers[QEMU_TIMER_VIRTUAL]) {
2e70f6ef
PB		 1333 delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
1334 qemu_get_clock(vm_clock);
1335 } else {
1336 /* To avoid problems with overflow limit this to 2^32. */
1337 delta = INT32_MAX;
efe75411
TS		 1338 }
1339
2e70f6ef
PB		 1340 if (delta < 0)
1341 delta = 0;
efe75411 1342
2e70f6ef
PB		 1343 return delta;
1344}
1345
8632fb9a 1346#if defined(__linux__) || defined(_WIN32)
2e70f6ef
PB		 1347static uint64_t qemu_next_deadline_dyntick(void)
1348{
1349 int64_t delta;
1350 int64_t rtdelta;
1351
1352 if (use_icount)
1353 delta = INT32_MAX;
1354 else
1355 delta = (qemu_next_deadline() + 999) / 1000;
1356
1357 if (active_timers[QEMU_TIMER_REALTIME]) {
1358 rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
1359 qemu_get_clock(rt_clock))*1000;
1360 if (rtdelta < delta)
1361 delta = rtdelta;
1362 }
1363
1364 if (delta < MIN_TIMER_REARM_US)
1365 delta = MIN_TIMER_REARM_US;
1366
1367 return delta;
efe75411 1368}
8632fb9a 1369#endif
efe75411 1370
fd872598
FB		 1371#ifndef _WIN32
1372
829309c7
FB		 1373#if defined(__linux__)
1374
fd872598
FB		 1375#define RTC_FREQ 1024
1376
c8994013
TS		 1377static void enable_sigio_timer(int fd)
1378{
1379 struct sigaction act;
1380
1381 /* timer signal */
1382 sigfillset(&act.sa_mask);
1383 act.sa_flags = 0;
c8994013
TS		 1384 act.sa_handler = host_alarm_handler;
1385
1386 sigaction(SIGIO, &act, NULL);
1387 fcntl(fd, F_SETFL, O_ASYNC);
1388 fcntl(fd, F_SETOWN, getpid());
1389}
829309c7 1390
c40ec5a9
TS		 1391static int hpet_start_timer(struct qemu_alarm_timer *t)
1392{
1393 struct hpet_info info;
1394 int r, fd;
1395
1396 fd = open("/dev/hpet", O_RDONLY);
1397 if (fd < 0)
1398 return -1;
1399
1400 /* Set frequency */
1401 r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
1402 if (r < 0) {
1403 fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1404 "error, but for better emulation accuracy type:\n"
1405 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1406 goto fail;
1407 }
1408
1409 /* Check capabilities */
1410 r = ioctl(fd, HPET_INFO, &info);
1411 if (r < 0)
1412 goto fail;
1413
1414 /* Enable periodic mode */
1415 r = ioctl(fd, HPET_EPI, 0);
1416 if (info.hi_flags && (r < 0))
1417 goto fail;
1418
1419 /* Enable interrupt */
1420 r = ioctl(fd, HPET_IE_ON, 0);
1421 if (r < 0)
1422 goto fail;
1423
1424 enable_sigio_timer(fd);
fcdc2129 1425 t->priv = (void *)(long)fd;
c40ec5a9
TS		 1426
1427 return 0;
1428fail:
1429 close(fd);
1430 return -1;
1431}
1432
1433static void hpet_stop_timer(struct qemu_alarm_timer *t)
1434{
fcdc2129 1435 int fd = (long)t->priv;
c40ec5a9
TS		 1436
1437 close(fd);
1438}
1439
c8994013 1440static int rtc_start_timer(struct qemu_alarm_timer *t)
fd872598 1441{
c8994013 1442 int rtc_fd;
b5a23ad4 1443 unsigned long current_rtc_freq = 0;
c8994013 1444
aeb30be6 1445 TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
fd872598
FB		 1446 if (rtc_fd < 0)
1447 return -1;
b5a23ad4
AZ		 1448 ioctl(rtc_fd, RTC_IRQP_READ, &current_rtc_freq);
1449 if (current_rtc_freq != RTC_FREQ &&
1450 ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
fd872598
FB		 1451 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1452 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1453 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1454 goto fail;
1455 }
1456 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1457 fail:
1458 close(rtc_fd);
1459 return -1;
1460 }
c8994013
TS		 1461
1462 enable_sigio_timer(rtc_fd);
1463
fcdc2129 1464 t->priv = (void *)(long)rtc_fd;
c8994013 1465
fd872598
FB		 1466 return 0;
1467}
1468
c8994013 1469static void rtc_stop_timer(struct qemu_alarm_timer *t)
829309c7 1470{
fcdc2129 1471 int rtc_fd = (long)t->priv;
c8994013
TS		 1472
1473 close(rtc_fd);
829309c7
FB		 1474}
1475
efe75411
TS		 1476static int dynticks_start_timer(struct qemu_alarm_timer *t)
1477{
1478 struct sigevent ev;
1479 timer_t host_timer;
1480 struct sigaction act;
1481
1482 sigfillset(&act.sa_mask);
1483 act.sa_flags = 0;
efe75411
TS		 1484 act.sa_handler = host_alarm_handler;
1485
1486 sigaction(SIGALRM, &act, NULL);
1487
1488 ev.sigev_value.sival_int = 0;
1489 ev.sigev_notify = SIGEV_SIGNAL;
1490 ev.sigev_signo = SIGALRM;
1491
1492 if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
1493 perror("timer_create");
1494
1495 /* disable dynticks */
1496 fprintf(stderr, "Dynamic Ticks disabled\n");
1497
1498 return -1;
1499 }
1500
1501 t->priv = (void *)host_timer;
1502
1503 return 0;
1504}
1505
1506static void dynticks_stop_timer(struct qemu_alarm_timer *t)
1507{
1508 timer_t host_timer = (timer_t)t->priv;
1509
1510 timer_delete(host_timer);
1511}
1512
1513static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
1514{
1515 timer_t host_timer = (timer_t)t->priv;
1516 struct itimerspec timeout;
1517 int64_t nearest_delta_us = INT64_MAX;
1518 int64_t current_us;
1519
1520 if (!active_timers[QEMU_TIMER_REALTIME] &&
1521 !active_timers[QEMU_TIMER_VIRTUAL])
d5d08334 1522 return;
efe75411 1523
2e70f6ef 1524 nearest_delta_us = qemu_next_deadline_dyntick();
efe75411
TS		 1525
1526 /* check whether a timer is already running */
1527 if (timer_gettime(host_timer, &timeout)) {
1528 perror("gettime");
1529 fprintf(stderr, "Internal timer error: aborting\n");
1530 exit(1);
1531 }
1532 current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
1533 if (current_us && current_us <= nearest_delta_us)
1534 return;
1535
1536 timeout.it_interval.tv_sec = 0;
1537 timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
1538 timeout.it_value.tv_sec = nearest_delta_us / 1000000;
1539 timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
1540 if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
1541 perror("settime");
1542 fprintf(stderr, "Internal timer error: aborting\n");
1543 exit(1);
1544 }
1545}
1546
70744b3a 1547#endif /* defined(__linux__) */
231c6586 1548
c8994013
TS		 1549static int unix_start_timer(struct qemu_alarm_timer *t)
1550{
1551 struct sigaction act;
1552 struct itimerval itv;
1553 int err;
1554
1555 /* timer signal */
1556 sigfillset(&act.sa_mask);
1557 act.sa_flags = 0;
c8994013
TS		 1558 act.sa_handler = host_alarm_handler;
1559
1560 sigaction(SIGALRM, &act, NULL);
1561
1562 itv.it_interval.tv_sec = 0;
1563 /* for i386 kernel 2.6 to get 1 ms */
1564 itv.it_interval.tv_usec = 999;
1565 itv.it_value.tv_sec = 0;
1566 itv.it_value.tv_usec = 10 * 1000;
1567
1568 err = setitimer(ITIMER_REAL, &itv, NULL);
1569 if (err)
1570 return -1;
1571
1572 return 0;
1573}
1574
1575static void unix_stop_timer(struct qemu_alarm_timer *t)
1576{
1577 struct itimerval itv;
1578
1579 memset(&itv, 0, sizeof(itv));
1580 setitimer(ITIMER_REAL, &itv, NULL);
1581}
1582
829309c7 1583#endif /* !defined(_WIN32) */
fd872598 1584
c8994013
TS		 1585#ifdef _WIN32
1586
1587static int win32_start_timer(struct qemu_alarm_timer *t)
1588{
1589 TIMECAPS tc;
1590 struct qemu_alarm_win32 *data = t->priv;
efe75411 1591 UINT flags;
c8994013
TS		 1592
1593 data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
1594 if (!data->host_alarm) {
1595 perror("Failed CreateEvent");
c396a7f0 1596 return -1;
c8994013
TS		 1597 }
1598
1599 memset(&tc, 0, sizeof(tc));
1600 timeGetDevCaps(&tc, sizeof(tc));
1601
1602 if (data->period < tc.wPeriodMin)
1603 data->period = tc.wPeriodMin;
1604
1605 timeBeginPeriod(data->period);
1606
efe75411
TS		 1607 flags = TIME_CALLBACK_FUNCTION;
1608 if (alarm_has_dynticks(t))
1609 flags |= TIME_ONESHOT;
1610 else
1611 flags |= TIME_PERIODIC;
1612
c8994013
TS		 1613 data->timerId = timeSetEvent(1, // interval (ms)
1614 data->period, // resolution
1615 host_alarm_handler, // function
1616 (DWORD)t, // parameter
efe75411 1617 flags);
c8994013
TS		 1618
1619 if (!data->timerId) {
1620 perror("Failed to initialize win32 alarm timer");
1621
1622 timeEndPeriod(data->period);
1623 CloseHandle(data->host_alarm);
1624 return -1;
1625 }
1626
1627 qemu_add_wait_object(data->host_alarm, NULL, NULL);
1628
1629 return 0;
1630}
1631
1632static void win32_stop_timer(struct qemu_alarm_timer *t)
1633{
1634 struct qemu_alarm_win32 *data = t->priv;
1635
1636 timeKillEvent(data->timerId);
1637 timeEndPeriod(data->period);
1638
1639 CloseHandle(data->host_alarm);
1640}
1641
efe75411
TS		 1642static void win32_rearm_timer(struct qemu_alarm_timer *t)
1643{
1644 struct qemu_alarm_win32 *data = t->priv;
1645 uint64_t nearest_delta_us;
1646
1647 if (!active_timers[QEMU_TIMER_REALTIME] &&
1648 !active_timers[QEMU_TIMER_VIRTUAL])
d5d08334 1649 return;
efe75411 1650
2e70f6ef 1651 nearest_delta_us = qemu_next_deadline_dyntick();
efe75411
TS		 1652 nearest_delta_us /= 1000;
1653
1654 timeKillEvent(data->timerId);
1655
1656 data->timerId = timeSetEvent(1,
1657 data->period,
1658 host_alarm_handler,
1659 (DWORD)t,
1660 TIME_ONESHOT | TIME_PERIODIC);
1661
1662 if (!data->timerId) {
1663 perror("Failed to re-arm win32 alarm timer");
1664
1665 timeEndPeriod(data->period);
1666 CloseHandle(data->host_alarm);
1667 exit(1);
1668 }
1669}
1670
c8994013
TS		 1671#endif /* _WIN32 */
1672
1dce7c3c 1673static void init_timer_alarm(void)
8a7ddc38 1674{
223f0d72 1675 struct qemu_alarm_timer *t = NULL;
c8994013
TS		 1676 int i, err = -1;
1677
1678 for (i = 0; alarm_timers[i].name; i++) {
1679 t = &alarm_timers[i];
1680
c8994013
TS		 1681 err = t->start(t);
1682 if (!err)
1683 break;
67b915a5 1684 }
fd872598 1685
c8994013
TS		 1686 if (err) {
1687 fprintf(stderr, "Unable to find any suitable alarm timer.\n");
1688 fprintf(stderr, "Terminating\n");
1689 exit(1);
67b915a5 1690 }
c8994013
TS		 1691
1692 alarm_timer = t;
8a7ddc38
FB		 1693}
1694
9596ebb7 1695static void quit_timers(void)
40c3bac3 1696{
c8994013
TS		 1697 alarm_timer->stop(alarm_timer);
1698 alarm_timer = NULL;
40c3bac3
FB		 1699}
1700
f6503059
AZ		 1701/***********************************************************/
1702/* host time/date access */
1703void qemu_get_timedate(struct tm *tm, int offset)
1704{
1705 time_t ti;
1706 struct tm *ret;
1707
1708 time(&ti);
1709 ti += offset;
1710 if (rtc_date_offset == -1) {
1711 if (rtc_utc)
1712 ret = gmtime(&ti);
1713 else
1714 ret = localtime(&ti);
1715 } else {
1716 ti -= rtc_date_offset;
1717 ret = gmtime(&ti);
1718 }
1719
1720 memcpy(tm, ret, sizeof(struct tm));
1721}
1722
1723int qemu_timedate_diff(struct tm *tm)
1724{
1725 time_t seconds;
1726
1727 if (rtc_date_offset == -1)
1728 if (rtc_utc)
1729 seconds = mktimegm(tm);
1730 else
1731 seconds = mktime(tm);
1732 else
1733 seconds = mktimegm(tm) + rtc_date_offset;
1734
1735 return seconds - time(NULL);
1736}
1737
fd1dff4b 1738#ifdef _WIN32
fd1dff4b
FB		 1739static void socket_cleanup(void)
1740{
1741 WSACleanup();
1742}
82c643ff 1743
fd1dff4b
FB		 1744static int socket_init(void)
1745{
1746 WSADATA Data;
1747 int ret, err;
1748
1749 ret = WSAStartup(MAKEWORD(2,2), &Data);
1750 if (ret != 0) {
1751 err = WSAGetLastError();
1752 fprintf(stderr, "WSAStartup: %d\n", err);
1753 return -1;
1754 }
1755 atexit(socket_cleanup);
1756 return 0;
1757}
64b7b733
AJ		 1758#endif
1759
63a01ef8 1760const char *get_opt_name(char *buf, int buf_size, const char *p)
609497ab
AZ		 1761{
1762 char *q;
1763
1764 q = buf;
1765 while (*p != '\0' && *p != '=') {
1766 if (q && (q - buf) < buf_size - 1)
1767 *q++ = *p;
1768 p++;
1769 }
1770 if (q)
1771 *q = '\0';
1772
1773 return p;
1774}
1775
63a01ef8 1776const char *get_opt_value(char *buf, int buf_size, const char *p)
e4bcb14c
TS		 1777{
1778 char *q;
e4bcb14c 1779
e4bcb14c
TS		 1780 q = buf;
1781 while (*p != '\0') {
609497ab
AZ		 1782 if (*p == ',') {
1783 if (*(p + 1) != ',')
e4bcb14c 1784 break;
e4bcb14c 1785 p++;
609497ab 1786 }
e4bcb14c
TS		 1787 if (q && (q - buf) < buf_size - 1)
1788 *q++ = *p;
1789 p++;
1790 }
1791 if (q)
1792 *q = '\0';
1793
1794 return p;
1795}
1796
63a01ef8
AL		 1797int get_param_value(char *buf, int buf_size,
1798 const char *tag, const char *str)
7c9d8e07
FB		 1799{
1800 const char *p;
7c9d8e07
FB		 1801 char option[128];
1802
1803 p = str;
1804 for(;;) {
609497ab 1805 p = get_opt_name(option, sizeof(option), p);
7c9d8e07
FB		 1806 if (*p != '=')
1807 break;
1808 p++;
1809 if (!strcmp(tag, option)) {
609497ab 1810 (void)get_opt_value(buf, buf_size, p);
e4bcb14c 1811 return strlen(buf);
7c9d8e07 1812 } else {
609497ab 1813 p = get_opt_value(NULL, 0, p);
7c9d8e07
FB		 1814 }
1815 if (*p != ',')
1816 break;
1817 p++;
1818 }
1819 return 0;
1820}
1821
63a01ef8
AL		 1822int check_params(char *buf, int buf_size,
1823 const char * const *params, const char *str)
e4bcb14c
TS		 1824{
1825 const char *p;
1826 int i;
1827
1828 p = str;
1829 for(;;) {
609497ab 1830 p = get_opt_name(buf, buf_size, p);
e4bcb14c
TS		 1831 if (*p != '=')
1832 return -1;
1833 p++;
1834 for(i = 0; params[i] != NULL; i++)
1835 if (!strcmp(params[i], buf))
1836 break;
1837 if (params[i] == NULL)
1838 return -1;
609497ab 1839 p = get_opt_value(NULL, 0, p);
e4bcb14c
TS		 1840 if (*p != ',')
1841 break;
1842 p++;
1843 }
1844 return 0;
1845}
1846
1ae26a18
AZ		 1847/***********************************************************/
1848/* Bluetooth support */
1849static int nb_hcis;
1850static int cur_hci;
1851static struct HCIInfo *hci_table[MAX_NICS];
40ea94a5 1852#if 0
1ae26a18
AZ		 1853static struct bt_vlan_s {
1854 struct bt_scatternet_s net;
1855 int id;
1856 struct bt_vlan_s *next;
1857} *first_bt_vlan;
1858
1859/* find or alloc a new bluetooth "VLAN" */
674bb261 1860static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1ae26a18
AZ		 1861{
1862 struct bt_vlan_s **pvlan, *vlan;
1863 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
1864 if (vlan->id == id)
1865 return &vlan->net;
1866 }
1867 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
1868 vlan->id = id;
1869 pvlan = &first_bt_vlan;
1870 while (*pvlan != NULL)
1871 pvlan = &(*pvlan)->next;
1872 *pvlan = vlan;
1873 return &vlan->net;
1874}
40ea94a5 1875#endif
1ae26a18
AZ		 1876
1877static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
1878{
1879}
1880
1881static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
1882{
1883 return -ENOTSUP;
1884}
1885
1886static struct HCIInfo null_hci = {
1887 .cmd_send = null_hci_send,
1888 .sco_send = null_hci_send,
1889 .acl_send = null_hci_send,
1890 .bdaddr_set = null_hci_addr_set,
1891};
1892
1893struct HCIInfo *qemu_next_hci(void)
1894{
1895 if (cur_hci == nb_hcis)
1896 return &null_hci;
1897
1898 return hci_table[cur_hci++];
1899}
1900
1901/***********************************************************/
1902/* QEMU Block devices */
1903
609497ab 1904#define HD_ALIAS "index=%d,media=disk"
e4bcb14c
TS		 1905#ifdef TARGET_PPC
1906#define CDROM_ALIAS "index=1,media=cdrom"
1907#else
1908#define CDROM_ALIAS "index=2,media=cdrom"
1909#endif
1910#define FD_ALIAS "index=%d,if=floppy"
609497ab
AZ		 1911#define PFLASH_ALIAS "if=pflash"
1912#define MTD_ALIAS "if=mtd"
9d413d1d 1913#define SD_ALIAS "index=0,if=sd"
e4bcb14c 1914
609497ab 1915static int drive_add(const char *file, const char *fmt, ...)
e4bcb14c
TS		 1916{
1917 va_list ap;
1918
1919 if (nb_drives_opt >= MAX_DRIVES) {
1920 fprintf(stderr, "qemu: too many drives\n");
1921 exit(1);
1922 }
1923
609497ab 1924 drives_opt[nb_drives_opt].file = file;
e4bcb14c 1925 va_start(ap, fmt);
609497ab
AZ		 1926 vsnprintf(drives_opt[nb_drives_opt].opt,
1927 sizeof(drives_opt[0].opt), fmt, ap);
e4bcb14c
TS		 1928 va_end(ap);
1929
1930 return nb_drives_opt++;
1931}
1932
f60d39bc 1933int drive_get_index(BlockInterfaceType type, int bus, int unit)
e4bcb14c
TS		 1934{
1935 int index;
1936
1937 /* seek interface, bus and unit */
1938
1939 for (index = 0; index < nb_drives; index++)
f60d39bc 1940 if (drives_table[index].type == type &&
e4bcb14c
TS		 1941 drives_table[index].bus == bus &&
1942 drives_table[index].unit == unit)
1943 return index;
1944
1945 return -1;
1946}
1947
f60d39bc 1948int drive_get_max_bus(BlockInterfaceType type)
e4bcb14c
TS		 1949{
1950 int max_bus;
1951 int index;
1952
1953 max_bus = -1;
1954 for (index = 0; index < nb_drives; index++) {
f60d39bc 1955 if(drives_table[index].type == type &&
e4bcb14c
TS		 1956 drives_table[index].bus > max_bus)
1957 max_bus = drives_table[index].bus;
1958 }
1959 return max_bus;
1960}
1961
a1620fac
AJ		 1962static void bdrv_format_print(void *opaque, const char *name)
1963{
1964 fprintf(stderr, " %s", name);
1965}
1966
609497ab
AZ		 1967static int drive_init(struct drive_opt *arg, int snapshot,
1968 QEMUMachine *machine)
e4bcb14c
TS		 1969{
1970 char buf[128];
1971 char file[1024];
c8522bdf
AZ		 1972 char devname[128];
1973 const char *mediastr = "";
f60d39bc 1974 BlockInterfaceType type;
e4bcb14c
TS		 1975 enum { MEDIA_DISK, MEDIA_CDROM } media;
1976 int bus_id, unit_id;
1977 int cyls, heads, secs, translation;
1978 BlockDriverState *bdrv;
1e72d3b7 1979 BlockDriver *drv = NULL;
e4bcb14c
TS		 1980 int max_devs;
1981 int index;
33f00271
AZ		 1982 int cache;
1983 int bdrv_flags;
609497ab 1984 char *str = arg->opt;
7ccfb2eb
BS		 1985 static const char * const params[] = { "bus", "unit", "if", "index",
1986 "cyls", "heads", "secs", "trans",
1987 "media", "snapshot", "file",
1988 "cache", "format", NULL };
e4bcb14c
TS		 1989
1990 if (check_params(buf, sizeof(buf), params, str) < 0) {
ff993638 1991 fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
e4bcb14c
TS		 1992 buf, str);
1993 return -1;
1994 }
1995
1996 file[0] = 0;
1997 cyls = heads = secs = 0;
1998 bus_id = 0;
1999 unit_id = -1;
2000 translation = BIOS_ATA_TRANSLATION_AUTO;
2001 index = -1;
33f00271 2002 cache = 1;
e4bcb14c 2003
c9b1ae2c 2004 if (machine->use_scsi) {
f60d39bc 2005 type = IF_SCSI;
e4bcb14c 2006 max_devs = MAX_SCSI_DEVS;
363a37d5 2007 pstrcpy(devname, sizeof(devname), "scsi");
e4bcb14c 2008 } else {
f60d39bc 2009 type = IF_IDE;
e4bcb14c 2010 max_devs = MAX_IDE_DEVS;
363a37d5 2011 pstrcpy(devname, sizeof(devname), "ide");
e4bcb14c
TS		 2012 }
2013 media = MEDIA_DISK;
2014
2015 /* extract parameters */
2016
2017 if (get_param_value(buf, sizeof(buf), "bus", str)) {
2018 bus_id = strtol(buf, NULL, 0);
2019 if (bus_id < 0) {
2020 fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
2021 return -1;
2022 }
2023 }
2024
2025 if (get_param_value(buf, sizeof(buf), "unit", str)) {
2026 unit_id = strtol(buf, NULL, 0);
2027 if (unit_id < 0) {
2028 fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
2029 return -1;
2030 }
2031 }
2032
2033 if (get_param_value(buf, sizeof(buf), "if", str)) {
ae45d369 2034 pstrcpy(devname, sizeof(devname), buf);
e4bcb14c 2035 if (!strcmp(buf, "ide")) {
f60d39bc 2036 type = IF_IDE;
e4bcb14c
TS		 2037 max_devs = MAX_IDE_DEVS;
2038 } else if (!strcmp(buf, "scsi")) {
f60d39bc 2039 type = IF_SCSI;
e4bcb14c
TS		 2040 max_devs = MAX_SCSI_DEVS;
2041 } else if (!strcmp(buf, "floppy")) {
f60d39bc 2042 type = IF_FLOPPY;
e4bcb14c
TS		 2043 max_devs = 0;
2044 } else if (!strcmp(buf, "pflash")) {
f60d39bc 2045 type = IF_PFLASH;
e4bcb14c
TS		 2046 max_devs = 0;
2047 } else if (!strcmp(buf, "mtd")) {
f60d39bc 2048 type = IF_MTD;
e4bcb14c
TS		 2049 max_devs = 0;
2050 } else if (!strcmp(buf, "sd")) {
f60d39bc 2051 type = IF_SD;
e4bcb14c
TS		 2052 max_devs = 0;
2053 } else {
2054 fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
2055 return -1;
2056 }
2057 }
2058
2059 if (get_param_value(buf, sizeof(buf), "index", str)) {
2060 index = strtol(buf, NULL, 0);
2061 if (index < 0) {
2062 fprintf(stderr, "qemu: '%s' invalid index\n", str);
2063 return -1;
2064 }
2065 }
2066
2067 if (get_param_value(buf, sizeof(buf), "cyls", str)) {
2068 cyls = strtol(buf, NULL, 0);
2069 }
2070
2071 if (get_param_value(buf, sizeof(buf), "heads", str)) {
2072 heads = strtol(buf, NULL, 0);
2073 }
2074
2075 if (get_param_value(buf, sizeof(buf), "secs", str)) {
2076 secs = strtol(buf, NULL, 0);
2077 }
2078
2079 if (cyls || heads || secs) {
2080 if (cyls < 1 || cyls > 16383) {
2081 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
2082 return -1;
2083 }
2084 if (heads < 1 || heads > 16) {
2085 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
2086 return -1;
2087 }
2088 if (secs < 1 || secs > 63) {
2089 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
2090 return -1;
2091 }
2092 }
2093
2094 if (get_param_value(buf, sizeof(buf), "trans", str)) {
2095 if (!cyls) {
2096 fprintf(stderr,
2097 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2098 str);
2099 return -1;
2100 }
2101 if (!strcmp(buf, "none"))
2102 translation = BIOS_ATA_TRANSLATION_NONE;
2103 else if (!strcmp(buf, "lba"))
2104 translation = BIOS_ATA_TRANSLATION_LBA;
2105 else if (!strcmp(buf, "auto"))
2106 translation = BIOS_ATA_TRANSLATION_AUTO;
2107 else {
2108 fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
2109 return -1;
2110 }
2111 }
2112
2113 if (get_param_value(buf, sizeof(buf), "media", str)) {
2114 if (!strcmp(buf, "disk")) {
2115 media = MEDIA_DISK;
2116 } else if (!strcmp(buf, "cdrom")) {
2117 if (cyls || secs || heads) {
2118 fprintf(stderr,
2119 "qemu: '%s' invalid physical CHS format\n", str);
2120 return -1;
2121 }
2122 media = MEDIA_CDROM;
2123 } else {
2124 fprintf(stderr, "qemu: '%s' invalid media\n", str);
2125 return -1;
2126 }
2127 }
2128
2129 if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
2130 if (!strcmp(buf, "on"))
2131 snapshot = 1;
2132 else if (!strcmp(buf, "off"))
2133 snapshot = 0;
2134 else {
2135 fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
2136 return -1;
2137 }
2138 }
2139
33f00271 2140 if (get_param_value(buf, sizeof(buf), "cache", str)) {
9f7965c7 2141 if (!strcmp(buf, "off") || !strcmp(buf, "none"))
33f00271 2142 cache = 0;
9f7965c7 2143 else if (!strcmp(buf, "writethrough"))
33f00271 2144 cache = 1;
9f7965c7
AL		 2145 else if (!strcmp(buf, "writeback"))
2146 cache = 2;
33f00271
AZ		 2147 else {
2148 fprintf(stderr, "qemu: invalid cache option\n");
2149 return -1;
2150 }
2151 }
2152
1e72d3b7 2153 if (get_param_value(buf, sizeof(buf), "format", str)) {
a1620fac
AJ		 2154 if (strcmp(buf, "?") == 0) {
2155 fprintf(stderr, "qemu: Supported formats:");
2156 bdrv_iterate_format(bdrv_format_print, NULL);
2157 fprintf(stderr, "\n");
2158 return -1;
2159 }
1e72d3b7
AJ		 2160 drv = bdrv_find_format(buf);
2161 if (!drv) {
2162 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
2163 return -1;
2164 }
2165 }
2166
609497ab
AZ		 2167 if (arg->file == NULL)
2168 get_param_value(file, sizeof(file), "file", str);
2169 else
2170 pstrcpy(file, sizeof(file), arg->file);
e4bcb14c
TS		 2171
2172 /* compute bus and unit according index */
2173
2174 if (index != -1) {
2175 if (bus_id != 0 || unit_id != -1) {
2176 fprintf(stderr,
2177 "qemu: '%s' index cannot be used with bus and unit\n", str);
2178 return -1;
2179 }
2180 if (max_devs == 0)
2181 {
2182 unit_id = index;
2183 bus_id = 0;
2184 } else {
2185 unit_id = index % max_devs;
2186 bus_id = index / max_devs;
2187 }
2188 }
2189
2190 /* if user doesn't specify a unit_id,
2191 * try to find the first free
2192 */
2193
2194 if (unit_id == -1) {
2195 unit_id = 0;
f60d39bc 2196 while (drive_get_index(type, bus_id, unit_id) != -1) {
e4bcb14c
TS		 2197 unit_id++;
2198 if (max_devs && unit_id >= max_devs) {
2199 unit_id -= max_devs;
2200 bus_id++;
2201 }
2202 }
2203 }
2204
2205 /* check unit id */
2206
2207 if (max_devs && unit_id >= max_devs) {
2208 fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
2209 str, unit_id, max_devs - 1);
2210 return -1;
2211 }
2212
2213 /*
2214 * ignore multiple definitions
2215 */
2216
f60d39bc 2217 if (drive_get_index(type, bus_id, unit_id) != -1)
e4bcb14c
TS		 2218 return 0;
2219
2220 /* init */
2221
f60d39bc 2222 if (type == IF_IDE || type == IF_SCSI)
c8522bdf 2223 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
e6198a70
AZ		 2224 if (max_devs)
2225 snprintf(buf, sizeof(buf), "%s%i%s%i",
2226 devname, bus_id, mediastr, unit_id);
2227 else
2228 snprintf(buf, sizeof(buf), "%s%s%i",
2229 devname, mediastr, unit_id);
e4bcb14c
TS		 2230 bdrv = bdrv_new(buf);
2231 drives_table[nb_drives].bdrv = bdrv;
f60d39bc 2232 drives_table[nb_drives].type = type;
e4bcb14c
TS		 2233 drives_table[nb_drives].bus = bus_id;
2234 drives_table[nb_drives].unit = unit_id;
2235 nb_drives++;
2236
f60d39bc 2237 switch(type) {
e4bcb14c
TS		 2238 case IF_IDE:
2239 case IF_SCSI:
2240 switch(media) {
2241 case MEDIA_DISK:
2242 if (cyls != 0) {
2243 bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
2244 bdrv_set_translation_hint(bdrv, translation);
2245 }
2246 break;
2247 case MEDIA_CDROM:
2248 bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
2249 break;
2250 }
2251 break;
2252 case IF_SD:
2253 /* FIXME: This isn't really a floppy, but it's a reasonable
2254 approximation. */
2255 case IF_FLOPPY:
2256 bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
2257 break;
2258 case IF_PFLASH:
2259 case IF_MTD:
2260 break;
2261 }
2262 if (!file[0])
2263 return 0;
33f00271 2264 bdrv_flags = 0;
9f7965c7 2265 if (snapshot) {
33f00271 2266 bdrv_flags |= BDRV_O_SNAPSHOT;
9f7965c7
AL		 2267 cache = 2; /* always use write-back with snapshot */
2268 }
2269 if (cache == 0) /* no caching */
2270 bdrv_flags |= BDRV_O_NOCACHE;
2271 else if (cache == 2) /* write-back */
2272 bdrv_flags |= BDRV_O_CACHE_WB;
83ab7950 2273 if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
e4bcb14c
TS		 2274 fprintf(stderr, "qemu: could not open disk image %s\n",
2275 file);
2276 return -1;
2277 }
2278 return 0;
2279}
2280
a594cfbf
FB		 2281/***********************************************************/
2282/* USB devices */
2283
0d92ed30
PB		 2284static USBPort *used_usb_ports;
2285static USBPort *free_usb_ports;
2286
2287/* ??? Maybe change this to register a hub to keep track of the topology. */
2288void qemu_register_usb_port(USBPort *port, void *opaque, int index,
2289 usb_attachfn attach)
2290{
2291 port->opaque = opaque;
2292 port->index = index;
2293 port->attach = attach;
2294 port->next = free_usb_ports;
2295 free_usb_ports = port;
2296}
2297
4b096fc9
AL		 2298int usb_device_add_dev(USBDevice *dev)
2299{
2300 USBPort *port;
2301
2302 /* Find a USB port to add the device to. */
2303 port = free_usb_ports;
2304 if (!port->next) {
2305 USBDevice *hub;
2306
2307 /* Create a new hub and chain it on. */
2308 free_usb_ports = NULL;
2309 port->next = used_usb_ports;
2310 used_usb_ports = port;
2311
2312 hub = usb_hub_init(VM_USB_HUB_SIZE);
2313 usb_attach(port, hub);
2314 port = free_usb_ports;
2315 }
2316
2317 free_usb_ports = port->next;
2318 port->next = used_usb_ports;
2319 used_usb_ports = port;
2320 usb_attach(port, dev);
2321 return 0;
2322}
2323
a594cfbf
FB		 2324static int usb_device_add(const char *devname)
2325{
2326 const char *p;
2327 USBDevice *dev;
a594cfbf 2328
0d92ed30 2329 if (!free_usb_ports)
a594cfbf
FB		 2330 return -1;
2331
2332 if (strstart(devname, "host:", &p)) {
2333 dev = usb_host_device_open(p);
a594cfbf
FB		 2334 } else if (!strcmp(devname, "mouse")) {
2335 dev = usb_mouse_init();
09b26c5e 2336 } else if (!strcmp(devname, "tablet")) {
47b2d338
AZ		 2337 dev = usb_tablet_init();
2338 } else if (!strcmp(devname, "keyboard")) {
2339 dev = usb_keyboard_init();
2e5d83bb
PB		 2340 } else if (strstart(devname, "disk:", &p)) {
2341 dev = usb_msd_init(p);
f6d2a316
AZ		 2342 } else if (!strcmp(devname, "wacom-tablet")) {
2343 dev = usb_wacom_init();
a7954218
AZ		 2344 } else if (strstart(devname, "serial:", &p)) {
2345 dev = usb_serial_init(p);
2e4d9fb1
AJ		 2346#ifdef CONFIG_BRLAPI
2347 } else if (!strcmp(devname, "braille")) {
2348 dev = usb_baum_init();
2349#endif
6c9f886c 2350 } else if (strstart(devname, "net:", &p)) {
9ad97e65 2351 int nic = nb_nics;
6c9f886c 2352
9ad97e65 2353 if (net_client_init("nic", p) < 0)
6c9f886c 2354 return -1;
9ad97e65
AZ		 2355 nd_table[nic].model = "usb";
2356 dev = usb_net_init(&nd_table[nic]);
a594cfbf
FB		 2357 } else {
2358 return -1;
2359 }
0d92ed30
PB		 2360 if (!dev)
2361 return -1;
2362
4b096fc9 2363 return usb_device_add_dev(dev);
a594cfbf
FB		 2364}
2365
1f3870ab 2366int usb_device_del_addr(int bus_num, int addr)
a594cfbf 2367{
0d92ed30
PB		 2368 USBPort *port;
2369 USBPort **lastp;
059809e4 2370 USBDevice *dev;
a594cfbf 2371
0d92ed30 2372 if (!used_usb_ports)
a594cfbf
FB		 2373 return -1;
2374
a594cfbf
FB		 2375 if (bus_num != 0)
2376 return -1;
0d92ed30
PB		 2377
2378 lastp = &used_usb_ports;
2379 port = used_usb_ports;
2380 while (port && port->dev->addr != addr) {
2381 lastp = &port->next;
2382 port = port->next;
a594cfbf 2383 }
0d92ed30
PB		 2384
2385 if (!port)
a594cfbf 2386 return -1;
0d92ed30 2387
059809e4 2388 dev = port->dev;
0d92ed30
PB		 2389 *lastp = port->next;
2390 usb_attach(port, NULL);
059809e4 2391 dev->handle_destroy(dev);
0d92ed30
PB		 2392 port->next = free_usb_ports;
2393 free_usb_ports = port;
a594cfbf
FB		 2394 return 0;
2395}
2396
1f3870ab
AL		 2397static int usb_device_del(const char *devname)
2398{
2399 int bus_num, addr;
2400 const char *p;
2401
5d0c5750
AL		 2402 if (strstart(devname, "host:", &p))
2403 return usb_host_device_close(p);
2404
1f3870ab
AL		 2405 if (!used_usb_ports)
2406 return -1;
2407
2408 p = strchr(devname, '.');
2409 if (!p)
2410 return -1;
2411 bus_num = strtoul(devname, NULL, 0);
2412 addr = strtoul(p + 1, NULL, 0);
2413
2414 return usb_device_del_addr(bus_num, addr);
2415}
2416
a594cfbf
FB		 2417void do_usb_add(const char *devname)
2418{
4b096fc9 2419 usb_device_add(devname);
a594cfbf
FB		 2420}
2421
2422void do_usb_del(const char *devname)
2423{
4b096fc9 2424 usb_device_del(devname);
a594cfbf
FB		 2425}
2426
2427void usb_info(void)
2428{
2429 USBDevice *dev;
0d92ed30 2430 USBPort *port;
a594cfbf
FB		 2431 const char *speed_str;
2432
0d92ed30 2433 if (!usb_enabled) {
a594cfbf
FB		 2434 term_printf("USB support not enabled\n");
2435 return;
2436 }
2437
0d92ed30
PB		 2438 for (port = used_usb_ports; port; port = port->next) {
2439 dev = port->dev;
2440 if (!dev)
2441 continue;
2442 switch(dev->speed) {
5fafdf24
TS		 2443 case USB_SPEED_LOW:
2444 speed_str = "1.5";
0d92ed30 2445 break;
5fafdf24
TS		 2446 case USB_SPEED_FULL:
2447 speed_str = "12";
0d92ed30 2448 break;
5fafdf24
TS		 2449 case USB_SPEED_HIGH:
2450 speed_str = "480";
0d92ed30
PB		 2451 break;
2452 default:
5fafdf24 2453 speed_str = "?";
0d92ed30 2454 break;
a594cfbf 2455 }
5fafdf24 2456 term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
1f6e24e7 2457 0, dev->addr, speed_str, dev->devname);
a594cfbf
FB		 2458 }
2459}
2460
201a51fc
AZ		 2461/***********************************************************/
2462/* PCMCIA/Cardbus */
2463
2464static struct pcmcia_socket_entry_s {
2465 struct pcmcia_socket_s *socket;
2466 struct pcmcia_socket_entry_s *next;
2467} *pcmcia_sockets = 0;
2468
2469void pcmcia_socket_register(struct pcmcia_socket_s *socket)
2470{
2471 struct pcmcia_socket_entry_s *entry;
2472
2473 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
2474 entry->socket = socket;
2475 entry->next = pcmcia_sockets;
2476 pcmcia_sockets = entry;
2477}
2478
2479void pcmcia_socket_unregister(struct pcmcia_socket_s *socket)
2480{
2481 struct pcmcia_socket_entry_s *entry, **ptr;
2482
2483 ptr = &pcmcia_sockets;
2484 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
2485 if (entry->socket == socket) {
2486 *ptr = entry->next;
2487 qemu_free(entry);
2488 }
2489}
2490
2491void pcmcia_info(void)
2492{
2493 struct pcmcia_socket_entry_s *iter;
2494 if (!pcmcia_sockets)
2495 term_printf("No PCMCIA sockets\n");
2496
2497 for (iter = pcmcia_sockets; iter; iter = iter->next)
2498 term_printf("%s: %s\n", iter->socket->slot_string,
2499 iter->socket->attached ? iter->socket->card_string :
2500 "Empty");
2501}
2502
2ff89790
TS		 2503/***********************************************************/
2504/* dumb display */
2505
2506static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
2507{
2508}
2509
2510static void dumb_resize(DisplayState *ds, int w, int h)
2511{
2512}
2513
2ff89790
TS		 2514static void dumb_display_init(DisplayState *ds)
2515{
2516 ds->data = NULL;
2517 ds->linesize = 0;
2518 ds->depth = 0;
2519 ds->dpy_update = dumb_update;
2520 ds->dpy_resize = dumb_resize;
2ad1a437
AL		 2521 ds->dpy_refresh = NULL;
2522 ds->gui_timer_interval = 0;
bcfad70f 2523 ds->idle = 1;
2ff89790
TS		 2524}
2525
8a7ddc38
FB		 2526/***********************************************************/
2527/* I/O handling */
0824d6fc 2528
c4b1fcc0
FB		 2529#define MAX_IO_HANDLERS 64
2530
2531typedef struct IOHandlerRecord {
2532 int fd;
7c9d8e07
FB		 2533 IOCanRWHandler *fd_read_poll;
2534 IOHandler *fd_read;
2535 IOHandler *fd_write;
cafffd40 2536 int deleted;
c4b1fcc0
FB		 2537 void *opaque;
2538 /* temporary data */
2539 struct pollfd *ufd;
8a7ddc38 2540 struct IOHandlerRecord *next;
c4b1fcc0
FB		 2541} IOHandlerRecord;
2542
8a7ddc38 2543static IOHandlerRecord *first_io_handler;
c4b1fcc0 2544
7c9d8e07
FB		 2545/* XXX: fd_read_poll should be suppressed, but an API change is
2546 necessary in the character devices to suppress fd_can_read(). */
5fafdf24
TS		 2547int qemu_set_fd_handler2(int fd,
2548 IOCanRWHandler *fd_read_poll,
2549 IOHandler *fd_read,
2550 IOHandler *fd_write,
7c9d8e07 2551 void *opaque)
c4b1fcc0 2552{
7c9d8e07 2553 IOHandlerRecord **pioh, *ioh;
c4b1fcc0 2554
7c9d8e07
FB		 2555 if (!fd_read && !fd_write) {
2556 pioh = &first_io_handler;
2557 for(;;) {
2558 ioh = *pioh;
2559 if (ioh == NULL)
2560 break;
2561 if (ioh->fd == fd) {
cafffd40 2562 ioh->deleted = 1;
7c9d8e07
FB		 2563 break;
2564 }
2565 pioh = &ioh->next;
2566 }
2567 } else {
2568 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2569 if (ioh->fd == fd)
2570 goto found;
2571 }
2572 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
2573 if (!ioh)
2574 return -1;
2575 ioh->next = first_io_handler;
2576 first_io_handler = ioh;
2577 found:
2578 ioh->fd = fd;
2579 ioh->fd_read_poll = fd_read_poll;
2580 ioh->fd_read = fd_read;
2581 ioh->fd_write = fd_write;
2582 ioh->opaque = opaque;
cafffd40 2583 ioh->deleted = 0;
7c9d8e07 2584 }
c4b1fcc0
FB		 2585 return 0;
2586}
2587
5fafdf24
TS		 2588int qemu_set_fd_handler(int fd,
2589 IOHandler *fd_read,
2590 IOHandler *fd_write,
7c9d8e07 2591 void *opaque)
8a7ddc38 2592{
7c9d8e07 2593 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
8a7ddc38
FB		 2594}
2595
56f3a5d0 2596#ifdef _WIN32
f331110f
FB		 2597/***********************************************************/
2598/* Polling handling */
2599
2600typedef struct PollingEntry {
2601 PollingFunc *func;
2602 void *opaque;
2603 struct PollingEntry *next;
2604} PollingEntry;
2605
2606static PollingEntry *first_polling_entry;
2607
2608int qemu_add_polling_cb(PollingFunc *func, void *opaque)
2609{
2610 PollingEntry **ppe, *pe;
2611 pe = qemu_mallocz(sizeof(PollingEntry));
2612 if (!pe)
2613 return -1;
2614 pe->func = func;
2615 pe->opaque = opaque;
2616 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
2617 *ppe = pe;
2618 return 0;
2619}
2620
2621void qemu_del_polling_cb(PollingFunc *func, void *opaque)
2622{
2623 PollingEntry **ppe, *pe;
2624 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
2625 pe = *ppe;
2626 if (pe->func == func && pe->opaque == opaque) {
2627 *ppe = pe->next;
2628 qemu_free(pe);
2629 break;
2630 }
2631 }
2632}
2633
a18e524a
FB		 2634/***********************************************************/
2635/* Wait objects support */
2636typedef struct WaitObjects {
2637 int num;
2638 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
2639 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
2640 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
2641} WaitObjects;
2642
2643static WaitObjects wait_objects = {0};
3b46e624 2644
a18e524a
FB		 2645int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2646{
2647 WaitObjects *w = &wait_objects;
2648
2649 if (w->num >= MAXIMUM_WAIT_OBJECTS)
2650 return -1;
2651 w->events[w->num] = handle;
2652 w->func[w->num] = func;
2653 w->opaque[w->num] = opaque;
2654 w->num++;
2655 return 0;
2656}
2657
2658void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
2659{
2660 int i, found;
2661 WaitObjects *w = &wait_objects;
2662
2663 found = 0;
2664 for (i = 0; i < w->num; i++) {
2665 if (w->events[i] == handle)
2666 found = 1;
2667 if (found) {
2668 w->events[i] = w->events[i + 1];
2669 w->func[i] = w->func[i + 1];
2670 w->opaque[i] = w->opaque[i + 1];
3b46e624 2671 }
a18e524a
FB		 2672 }
2673 if (found)
2674 w->num--;
2675}
2676#endif
2677
210f41ba
AL		 2678#define SELF_ANNOUNCE_ROUNDS 5
2679#define ETH_P_EXPERIMENTAL 0x01F1 /* just a number */
2680//#define ETH_P_EXPERIMENTAL 0x0012 /* make it the size of the packet */
2681#define EXPERIMENTAL_MAGIC 0xf1f23f4f
2682
2683static int announce_self_create(uint8_t *buf,
2684 uint8_t *mac_addr)
2685{
2686 uint32_t magic = EXPERIMENTAL_MAGIC;
2687 uint16_t proto = htons(ETH_P_EXPERIMENTAL);
2688
2689 /* FIXME: should we send a different packet (arp/rarp/ping)? */
2690
2691 memset(buf, 0xff, 6); /* h_dst */
2692 memcpy(buf + 6, mac_addr, 6); /* h_src */
2693 memcpy(buf + 12, &proto, 2); /* h_proto */
2694 memcpy(buf + 14, &magic, 4); /* magic */
2695
2696 return 18; /* len */
2697}
2698
2699void qemu_announce_self(void)
2700{
2701 int i, j, len;
2702 VLANState *vlan;
2703 VLANClientState *vc;
2704 uint8_t buf[256];
2705
2706 for (i = 0; i < nb_nics; i++) {
2707 len = announce_self_create(buf, nd_table[i].macaddr);
2708 vlan = nd_table[i].vlan;
2709 for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
17e90973
AL		 2710 for (j=0; j < SELF_ANNOUNCE_ROUNDS; j++)
2711 vc->fd_read(vc->opaque, buf, len);
210f41ba
AL		 2712 }
2713 }
2714}
2715
8a7ddc38
FB		 2716/***********************************************************/
2717/* savevm/loadvm support */
2718
faea38e7
FB		 2719#define IO_BUF_SIZE 32768
2720
2721struct QEMUFile {
5dafc53f
AL		 2722 QEMUFilePutBufferFunc *put_buffer;
2723 QEMUFileGetBufferFunc *get_buffer;
2724 QEMUFileCloseFunc *close;
2725 QEMUFileRateLimit *rate_limit;
2726 void *opaque;
871d2f07 2727 int is_write;
5dafc53f 2728
faea38e7
FB		 2729 int64_t buf_offset; /* start of buffer when writing, end of buffer
2730 when reading */
2731 int buf_index;
2732 int buf_size; /* 0 when writing */
2733 uint8_t buf[IO_BUF_SIZE];
871d2f07
AL		 2734
2735 int has_error;
faea38e7
FB		 2736};
2737
c1d36665 2738typedef struct QEMUFileSocket
5dafc53f
AL		 2739{
2740 int fd;
2741 QEMUFile *file;
c1d36665 2742} QEMUFileSocket;
5dafc53f 2743
c1d36665 2744static int socket_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
5dafc53f 2745{
c1d36665 2746 QEMUFileSocket *s = opaque;
5dafc53f
AL		 2747 ssize_t len;
2748
2749 do {
c1d36665
AL		 2750 len = recv(s->fd, buf, size, 0);
2751 } while (len == -1 && socket_error() == EINTR);
5dafc53f
AL		 2752
2753 if (len == -1)
c1d36665 2754 len = -socket_error();
5dafc53f
AL		 2755
2756 return len;
2757}
2758
c1d36665 2759static int socket_close(void *opaque)
5dafc53f 2760{
c1d36665 2761 QEMUFileSocket *s = opaque;
5dafc53f
AL		 2762 qemu_free(s);
2763 return 0;
2764}
2765
c1d36665 2766QEMUFile *qemu_fopen_socket(int fd)
5dafc53f 2767{
c1d36665 2768 QEMUFileSocket *s = qemu_mallocz(sizeof(QEMUFileSocket));
5dafc53f
AL		 2769
2770 if (s == NULL)
2771 return NULL;
2772
2773 s->fd = fd;
c1d36665 2774 s->file = qemu_fopen_ops(s, NULL, socket_get_buffer, socket_close, NULL);
5dafc53f
AL		 2775 return s->file;
2776}
2777
2778typedef struct QEMUFileStdio
2779{
2780 FILE *outfile;
2781} QEMUFileStdio;
2782
871d2f07 2783static int file_put_buffer(void *opaque, const uint8_t *buf,
5dafc53f
AL		 2784 int64_t pos, int size)
2785{
2786 QEMUFileStdio *s = opaque;
2787 fseek(s->outfile, pos, SEEK_SET);
2788 fwrite(buf, 1, size, s->outfile);
871d2f07 2789 return size;
5dafc53f
AL		 2790}
2791
2792static int file_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
2793{
2794 QEMUFileStdio *s = opaque;
2795 fseek(s->outfile, pos, SEEK_SET);
2796 return fread(buf, 1, size, s->outfile);
2797}
2798
2799static int file_close(void *opaque)
2800{
2801 QEMUFileStdio *s = opaque;
2802 fclose(s->outfile);
2803 qemu_free(s);
2804 return 0;
2805}
2806
faea38e7
FB		 2807QEMUFile *qemu_fopen(const char *filename, const char *mode)
2808{
5dafc53f 2809 QEMUFileStdio *s;
faea38e7 2810
5dafc53f
AL		 2811 s = qemu_mallocz(sizeof(QEMUFileStdio));
2812 if (!s)
faea38e7 2813 return NULL;
5dafc53f
AL		 2814
2815 s->outfile = fopen(filename, mode);
2816 if (!s->outfile)
faea38e7 2817 goto fail;
5dafc53f
AL		 2818
2819 if (!strcmp(mode, "wb"))
2820 return qemu_fopen_ops(s, file_put_buffer, NULL, file_close, NULL);
2821 else if (!strcmp(mode, "rb"))
2822 return qemu_fopen_ops(s, NULL, file_get_buffer, file_close, NULL);
2823
2824fail:
2825 if (s->outfile)
2826 fclose(s->outfile);
2827 qemu_free(s);
faea38e7
FB		 2828 return NULL;
2829}
2830
5dafc53f
AL		 2831typedef struct QEMUFileBdrv
2832{
2833 BlockDriverState *bs;
2834 int64_t base_offset;
2835} QEMUFileBdrv;
2836
871d2f07
AL		 2837static int bdrv_put_buffer(void *opaque, const uint8_t *buf,
2838 int64_t pos, int size)
5dafc53f
AL		 2839{
2840 QEMUFileBdrv *s = opaque;
2841 bdrv_pwrite(s->bs, s->base_offset + pos, buf, size);
871d2f07 2842 return size;
5dafc53f
AL		 2843}
2844
2845static int bdrv_get_buffer(void *opaque, uint8_t *buf, int64_t pos, int size)
2846{
2847 QEMUFileBdrv *s = opaque;
2848 return bdrv_pread(s->bs, s->base_offset + pos, buf, size);
2849}
2850
2851static int bdrv_fclose(void *opaque)
2852{
2853 QEMUFileBdrv *s = opaque;
2854 qemu_free(s);
2855 return 0;
2856}
2857
674bb261 2858static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
5dafc53f
AL		 2859{
2860 QEMUFileBdrv *s;
2861
2862 s = qemu_mallocz(sizeof(QEMUFileBdrv));
2863 if (!s)
2864 return NULL;
2865
2866 s->bs = bs;
2867 s->base_offset = offset;
2868
2869 if (is_writable)
2870 return qemu_fopen_ops(s, bdrv_put_buffer, NULL, bdrv_fclose, NULL);
2871
2872 return qemu_fopen_ops(s, NULL, bdrv_get_buffer, bdrv_fclose, NULL);
2873}
2874
2875QEMUFile *qemu_fopen_ops(void *opaque, QEMUFilePutBufferFunc *put_buffer,
2876 QEMUFileGetBufferFunc *get_buffer,
2877 QEMUFileCloseFunc *close,
2878 QEMUFileRateLimit *rate_limit)
faea38e7
FB		 2879{
2880 QEMUFile *f;
2881
2882 f = qemu_mallocz(sizeof(QEMUFile));
2883 if (!f)
2884 return NULL;
5dafc53f
AL		 2885
2886 f->opaque = opaque;
2887 f->put_buffer = put_buffer;
2888 f->get_buffer = get_buffer;
2889 f->close = close;
2890 f->rate_limit = rate_limit;
871d2f07 2891 f->is_write = 0;
5dafc53f 2892
faea38e7
FB		 2893 return f;
2894}
2895
871d2f07
AL		 2896int qemu_file_has_error(QEMUFile *f)
2897{
2898 return f->has_error;
2899}
2900
faea38e7
FB		 2901void qemu_fflush(QEMUFile *f)
2902{
5dafc53f 2903 if (!f->put_buffer)
faea38e7 2904 return;
5dafc53f 2905
871d2f07
AL		 2906 if (f->is_write && f->buf_index > 0) {
2907 int len;
2908
2909 len = f->put_buffer(f->opaque, f->buf, f->buf_offset, f->buf_index);
2910 if (len > 0)
2911 f->buf_offset += f->buf_index;
2912 else
2913 f->has_error = 1;
faea38e7
FB		 2914 f->buf_index = 0;
2915 }
2916}
2917
2918static void qemu_fill_buffer(QEMUFile *f)
2919{
2920 int len;
2921
5dafc53f 2922 if (!f->get_buffer)
faea38e7 2923 return;
5dafc53f 2924
871d2f07
AL		 2925 if (f->is_write)
2926 abort();
5dafc53f 2927
871d2f07
AL		 2928 len = f->get_buffer(f->opaque, f->buf, f->buf_offset, IO_BUF_SIZE);
2929 if (len > 0) {
2930 f->buf_index = 0;
2931 f->buf_size = len;
2932 f->buf_offset += len;
2933 } else if (len != -EAGAIN)
2934 f->has_error = 1;
faea38e7
FB		 2935}
2936
5dafc53f 2937int qemu_fclose(QEMUFile *f)
faea38e7 2938{
5dafc53f
AL		 2939 int ret = 0;
2940 qemu_fflush(f);
2941 if (f->close)
2942 ret = f->close(f->opaque);
faea38e7 2943 qemu_free(f);
5dafc53f
AL		 2944 return ret;
2945}
2946
2947void qemu_file_put_notify(QEMUFile *f)
2948{
2949 f->put_buffer(f->opaque, NULL, 0, 0);
faea38e7
FB		 2950}
2951
2ca83a8d 2952void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
b4608c04 2953{
2ca83a8d 2954 int l;
871d2f07
AL		 2955
2956 if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
2957 fprintf(stderr,
2958 "Attempted to write to buffer while read buffer is not empty\n");
2959 abort();
2960 }
2961
2962 while (!f->has_error && size > 0) {
faea38e7
FB		 2963 l = IO_BUF_SIZE - f->buf_index;
2964 if (l > size)
2965 l = size;
2966 memcpy(f->buf + f->buf_index, buf, l);
871d2f07 2967 f->is_write = 1;
faea38e7
FB		 2968 f->buf_index += l;
2969 buf += l;
2970 size -= l;
2971 if (f->buf_index >= IO_BUF_SIZE)
2972 qemu_fflush(f);
2973 }
b4608c04
FB		 2974}
2975
2ca83a8d 2976void qemu_put_byte(QEMUFile *f, int v)
b4608c04 2977{
871d2f07
AL		 2978 if (!f->has_error && f->is_write == 0 && f->buf_index > 0) {
2979 fprintf(stderr,
2980 "Attempted to write to buffer while read buffer is not empty\n");
2981 abort();
2982 }
2983
faea38e7 2984 f->buf[f->buf_index++] = v;
871d2f07 2985 f->is_write = 1;
faea38e7
FB		 2986 if (f->buf_index >= IO_BUF_SIZE)
2987 qemu_fflush(f);
2988}
2989
2ca83a8d 2990int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
faea38e7 2991{
2ca83a8d 2992 int size, l;
faea38e7 2993
871d2f07
AL		 2994 if (f->is_write)
2995 abort();
2996
faea38e7
FB		 2997 size = size1;
2998 while (size > 0) {
2999 l = f->buf_size - f->buf_index;
3000 if (l == 0) {
3001 qemu_fill_buffer(f);
3002 l = f->buf_size - f->buf_index;
3003 if (l == 0)
3004 break;
3005 }
3006 if (l > size)
3007 l = size;
3008 memcpy(buf, f->buf + f->buf_index, l);
3009 f->buf_index += l;
3010 buf += l;
3011 size -= l;
3012 }
3013 return size1 - size;
3014}
3015
2ca83a8d 3016int qemu_get_byte(QEMUFile *f)
faea38e7 3017{
871d2f07
AL		 3018 if (f->is_write)
3019 abort();
3020
faea38e7
FB		 3021 if (f->buf_index >= f->buf_size) {
3022 qemu_fill_buffer(f);
3023 if (f->buf_index >= f->buf_size)
3024 return 0;
3025 }
3026 return f->buf[f->buf_index++];
3027}
3028
3029int64_t qemu_ftell(QEMUFile *f)
3030{
3031 return f->buf_offset - f->buf_size + f->buf_index;
3032}
3033
3034int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
3035{
3036 if (whence == SEEK_SET) {
3037 /* nothing to do */
3038 } else if (whence == SEEK_CUR) {
3039 pos += qemu_ftell(f);
3040 } else {
3041 /* SEEK_END not supported */
3042 return -1;
3043 }
5dafc53f 3044 if (f->put_buffer) {
faea38e7
FB		 3045 qemu_fflush(f);
3046 f->buf_offset = pos;
3047 } else {
3048 f->buf_offset = pos;
3049 f->buf_index = 0;
3050 f->buf_size = 0;
3051 }
3052 return pos;
8a7ddc38
FB		 3053}
3054
5dafc53f
AL		 3055int qemu_file_rate_limit(QEMUFile *f)
3056{
3057 if (f->rate_limit)
3058 return f->rate_limit(f->opaque);
3059
3060 return 0;
3061}
3062
2ca83a8d 3063void qemu_put_be16(QEMUFile *f, unsigned int v)
8a7ddc38
FB		 3064{
3065 qemu_put_byte(f, v >> 8);
3066 qemu_put_byte(f, v);
3067}
3068
2ca83a8d 3069void qemu_put_be32(QEMUFile *f, unsigned int v)
8a7ddc38
FB		 3070{
3071 qemu_put_byte(f, v >> 24);
3072 qemu_put_byte(f, v >> 16);
3073 qemu_put_byte(f, v >> 8);
3074 qemu_put_byte(f, v);
3075}
3076
3077void qemu_put_be64(QEMUFile *f, uint64_t v)
3078{
3079 qemu_put_be32(f, v >> 32);
3080 qemu_put_be32(f, v);
3081}
3082
2ca83a8d 3083unsigned int qemu_get_be16(QEMUFile *f)
8a7ddc38 3084{
2ca83a8d 3085 unsigned int v;
8a7ddc38
FB		 3086 v = qemu_get_byte(f) << 8;
3087 v |= qemu_get_byte(f);
3088 return v;
3089}
3090
2ca83a8d 3091unsigned int qemu_get_be32(QEMUFile *f)
8a7ddc38 3092{
2ca83a8d 3093 unsigned int v;
8a7ddc38
FB		 3094 v = qemu_get_byte(f) << 24;
3095 v |= qemu_get_byte(f) << 16;
3096 v |= qemu_get_byte(f) << 8;
3097 v |= qemu_get_byte(f);
3098 return v;
3099}
3100
3101uint64_t qemu_get_be64(QEMUFile *f)
3102{
3103 uint64_t v;
3104 v = (uint64_t)qemu_get_be32(f) << 32;
3105 v |= qemu_get_be32(f);
3106 return v;
3107}
3108
8a7ddc38
FB		 3109typedef struct SaveStateEntry {
3110 char idstr[256];
3111 int instance_id;
3112 int version_id;
9366f418
AL		 3113 int section_id;
3114 SaveLiveStateHandler *save_live_state;
8a7ddc38
FB		 3115 SaveStateHandler *save_state;
3116 LoadStateHandler *load_state;
3117 void *opaque;
3118 struct SaveStateEntry *next;
3119} SaveStateEntry;
b4608c04 3120
8a7ddc38
FB		 3121static SaveStateEntry *first_se;
3122
18be5187 3123/* TODO: Individual devices generally have very little idea about the rest
18fdb1c5
TS		 3124 of the system, so instance_id should be removed/replaced.
3125 Meanwhile pass -1 as instance_id if you do not already have a clearly
3126 distinguishing id for all instances of your device class. */
9366f418
AL		 3127int register_savevm_live(const char *idstr,
3128 int instance_id,
3129 int version_id,
3130 SaveLiveStateHandler *save_live_state,
3131 SaveStateHandler *save_state,
3132 LoadStateHandler *load_state,
3133 void *opaque)
8a7ddc38
FB		 3134{
3135 SaveStateEntry *se, **pse;
9366f418 3136 static int global_section_id;
8a7ddc38
FB		 3137
3138 se = qemu_malloc(sizeof(SaveStateEntry));
3139 if (!se)
3140 return -1;
3141 pstrcpy(se->idstr, sizeof(se->idstr), idstr);
18be5187 3142 se->instance_id = (instance_id == -1) ? 0 : instance_id;
8a7ddc38 3143 se->version_id = version_id;
9366f418
AL		 3144 se->section_id = global_section_id++;
3145 se->save_live_state = save_live_state;
8a7ddc38
FB		 3146 se->save_state = save_state;
3147 se->load_state = load_state;
3148 se->opaque = opaque;
3149 se->next = NULL;
3150
3151 /* add at the end of list */
3152 pse = &first_se;
18be5187
PB		 3153 while (*pse != NULL) {
3154 if (instance_id == -1
3155 && strcmp(se->idstr, (*pse)->idstr) == 0
3156 && se->instance_id <= (*pse)->instance_id)
3157 se->instance_id = (*pse)->instance_id + 1;
8a7ddc38 3158 pse = &(*pse)->next;
18be5187 3159 }
8a7ddc38
FB		 3160 *pse = se;
3161 return 0;
3162}
3163
9366f418
AL		 3164int register_savevm(const char *idstr,
3165 int instance_id,
3166 int version_id,
3167 SaveStateHandler *save_state,
3168 LoadStateHandler *load_state,
3169 void *opaque)
3170{
3171 return register_savevm_live(idstr, instance_id, version_id,
3172 NULL, save_state, load_state, opaque);
3173}
3174
3175#define QEMU_VM_FILE_MAGIC 0x5145564d
3176#define QEMU_VM_FILE_VERSION_COMPAT 0x00000002
3177#define QEMU_VM_FILE_VERSION 0x00000003
3178
3179#define QEMU_VM_EOF 0x00
3180#define QEMU_VM_SECTION_START 0x01
3181#define QEMU_VM_SECTION_PART 0x02
3182#define QEMU_VM_SECTION_END 0x03
3183#define QEMU_VM_SECTION_FULL 0x04
8a7ddc38 3184
9366f418 3185int qemu_savevm_state_begin(QEMUFile *f)
8a7ddc38
FB		 3186{
3187 SaveStateEntry *se;
313aa567 3188
8a7ddc38
FB		 3189 qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
3190 qemu_put_be32(f, QEMU_VM_FILE_VERSION);
9366f418
AL		 3191
3192 for (se = first_se; se != NULL; se = se->next) {
3193 int len;
3194
3195 if (se->save_live_state == NULL)
3196 continue;
3197
3198 /* Section type */
3199 qemu_put_byte(f, QEMU_VM_SECTION_START);
3200 qemu_put_be32(f, se->section_id);
3201
3202 /* ID string */
3203 len = strlen(se->idstr);
3204 qemu_put_byte(f, len);
3205 qemu_put_buffer(f, (uint8_t *)se->idstr, len);
3206
3207 qemu_put_be32(f, se->instance_id);
3208 qemu_put_be32(f, se->version_id);
3209
3210 se->save_live_state(f, QEMU_VM_SECTION_START, se->opaque);
3211 }
3212
871d2f07
AL		 3213 if (qemu_file_has_error(f))
3214 return -EIO;
3215
9366f418
AL		 3216 return 0;
3217}
3218
3219int qemu_savevm_state_iterate(QEMUFile *f)
3220{
3221 SaveStateEntry *se;
475e4277 3222 int ret = 1;
9366f418
AL		 3223
3224 for (se = first_se; se != NULL; se = se->next) {
3225 if (se->save_live_state == NULL)
3226 continue;
3227
3228 /* Section type */
3229 qemu_put_byte(f, QEMU_VM_SECTION_PART);
3230 qemu_put_be32(f, se->section_id);
3231
475e4277 3232 ret &= !!se->save_live_state(f, QEMU_VM_SECTION_PART, se->opaque);
9366f418
AL		 3233 }
3234
3235 if (ret)
3236 return 1;
3237
871d2f07
AL		 3238 if (qemu_file_has_error(f))
3239 return -EIO;
3240
9366f418
AL		 3241 return 0;
3242}
3243
3244int qemu_savevm_state_complete(QEMUFile *f)
3245{
3246 SaveStateEntry *se;
3247
3248 for (se = first_se; se != NULL; se = se->next) {
3249 if (se->save_live_state == NULL)
3250 continue;
3251
3252 /* Section type */
3253 qemu_put_byte(f, QEMU_VM_SECTION_END);
3254 qemu_put_be32(f, se->section_id);
3255
3256 se->save_live_state(f, QEMU_VM_SECTION_END, se->opaque);
3257 }
8a7ddc38
FB		 3258
3259 for(se = first_se; se != NULL; se = se->next) {
9366f418
AL		 3260 int len;
3261
d978c02c 3262 if (se->save_state == NULL)
d978c02c
AJ		 3263 continue;
3264
9366f418
AL		 3265 /* Section type */
3266 qemu_put_byte(f, QEMU_VM_SECTION_FULL);
3267 qemu_put_be32(f, se->section_id);
3268
8a7ddc38
FB		 3269 /* ID string */
3270 len = strlen(se->idstr);
3271 qemu_put_byte(f, len);
ffe8ab83 3272 qemu_put_buffer(f, (uint8_t *)se->idstr, len);
8a7ddc38
FB		 3273
3274 qemu_put_be32(f, se->instance_id);
3275 qemu_put_be32(f, se->version_id);
3276
8a7ddc38 3277 se->save_state(f, se->opaque);
8a7ddc38
FB		 3278 }
3279
9366f418
AL		 3280 qemu_put_byte(f, QEMU_VM_EOF);
3281
871d2f07
AL		 3282 if (qemu_file_has_error(f))
3283 return -EIO;
3284
9366f418
AL		 3285 return 0;
3286}
3287
3288int qemu_savevm_state(QEMUFile *f)
3289{
3290 int saved_vm_running;
3291 int ret;
3292
3293 saved_vm_running = vm_running;
3294 vm_stop(0);
3295
5bb7910a
AL		 3296 bdrv_flush_all();
3297
9366f418
AL		 3298 ret = qemu_savevm_state_begin(f);
3299 if (ret < 0)
3300 goto out;
3301
3302 do {
3303 ret = qemu_savevm_state_iterate(f);
3304 if (ret < 0)
3305 goto out;
475e4277 3306 } while (ret == 0);
9366f418
AL		 3307
3308 ret = qemu_savevm_state_complete(f);
3309
3310out:
871d2f07
AL		 3311 if (qemu_file_has_error(f))
3312 ret = -EIO;
3313
3314 if (!ret && saved_vm_running)
9366f418 3315 vm_start();
871d2f07 3316
8a7ddc38
FB		 3317 return ret;
3318}
3319
3320static SaveStateEntry *find_se(const char *idstr, int instance_id)
3321{
3322 SaveStateEntry *se;
3323
3324 for(se = first_se; se != NULL; se = se->next) {
5fafdf24 3325 if (!strcmp(se->idstr, idstr) &&
8a7ddc38
FB		 3326 instance_id == se->instance_id)
3327 return se;
3328 }
3329 return NULL;
3330}
3331
9366f418
AL		 3332typedef struct LoadStateEntry {
3333 SaveStateEntry *se;
3334 int section_id;
3335 int version_id;
3336 struct LoadStateEntry *next;
3337} LoadStateEntry;
3338
3339static int qemu_loadvm_state_v2(QEMUFile *f)
8a7ddc38
FB		 3340{
3341 SaveStateEntry *se;
faea38e7
FB		 3342 int len, ret, instance_id, record_len, version_id;
3343 int64_t total_len, end_pos, cur_pos;
8a7ddc38 3344 char idstr[256];
3b46e624 3345
faea38e7
FB		 3346 total_len = qemu_get_be64(f);
3347 end_pos = total_len + qemu_ftell(f);
b4608c04 3348 for(;;) {
faea38e7 3349 if (qemu_ftell(f) >= end_pos)
cd4c3e88 3350 break;
faea38e7 3351 len = qemu_get_byte(f);
ffe8ab83 3352 qemu_get_buffer(f, (uint8_t *)idstr, len);
8a7ddc38
FB		 3353 idstr[len] = '\0';
3354 instance_id = qemu_get_be32(f);
3355 version_id = qemu_get_be32(f);
3356 record_len = qemu_get_be32(f);
faea38e7 3357 cur_pos = qemu_ftell(f);
8a7ddc38
FB		 3358 se = find_se(idstr, instance_id);
3359 if (!se) {
5fafdf24 3360 fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
8a7ddc38
FB		 3361 instance_id, idstr);
3362 } else {
3363 ret = se->load_state(f, se->opaque, version_id);
3364 if (ret < 0) {
5fafdf24 3365 fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
8a7ddc38
FB		 3366 instance_id, idstr);
3367 }
34865134 3368 }
8a7ddc38
FB		 3369 /* always seek to exact end of record */
3370 qemu_fseek(f, cur_pos + record_len, SEEK_SET);
3371 }
871d2f07
AL		 3372
3373 if (qemu_file_has_error(f))
3374 return -EIO;
3375
9366f418
AL		 3376 return 0;
3377}
3378
3379int qemu_loadvm_state(QEMUFile *f)
3380{
3381 LoadStateEntry *first_le = NULL;
3382 uint8_t section_type;
3383 unsigned int v;
3384 int ret;
3385
3386 v = qemu_get_be32(f);
3387 if (v != QEMU_VM_FILE_MAGIC)
3388 return -EINVAL;
3389
3390 v = qemu_get_be32(f);
3391 if (v == QEMU_VM_FILE_VERSION_COMPAT)
3392 return qemu_loadvm_state_v2(f);
3393 if (v != QEMU_VM_FILE_VERSION)
3394 return -ENOTSUP;
3395
3396 while ((section_type = qemu_get_byte(f)) != QEMU_VM_EOF) {
3397 uint32_t instance_id, version_id, section_id;
3398 LoadStateEntry *le;
3399 SaveStateEntry *se;
3400 char idstr[257];
3401 int len;
3402
3403 switch (section_type) {
3404 case QEMU_VM_SECTION_START:
3405 case QEMU_VM_SECTION_FULL:
3406 /* Read section start */
3407 section_id = qemu_get_be32(f);
3408 len = qemu_get_byte(f);
3409 qemu_get_buffer(f, (uint8_t *)idstr, len);
3410 idstr[len] = 0;
3411 instance_id = qemu_get_be32(f);
3412 version_id = qemu_get_be32(f);
3413
3414 /* Find savevm section */
3415 se = find_se(idstr, instance_id);
3416 if (se == NULL) {
3417 fprintf(stderr, "Unknown savevm section or instance '%s' %d\n", idstr, instance_id);
3418 ret = -EINVAL;
3419 goto out;
3420 }
3421
3422 /* Validate version */
3423 if (version_id > se->version_id) {
3424 fprintf(stderr, "savevm: unsupported version %d for '%s' v%d\n",
3425 version_id, idstr, se->version_id);
3426 ret = -EINVAL;
3427 goto out;
3428 }
3429
3430 /* Add entry */
3431 le = qemu_mallocz(sizeof(*le));
3432 if (le == NULL) {
3433 ret = -ENOMEM;
3434 goto out;
3435 }
3436
3437 le->se = se;
3438 le->section_id = section_id;
3439 le->version_id = version_id;
3440 le->next = first_le;
3441 first_le = le;
3442
3443 le->se->load_state(f, le->se->opaque, le->version_id);
3444 break;
3445 case QEMU_VM_SECTION_PART:
3446 case QEMU_VM_SECTION_END:
3447 section_id = qemu_get_be32(f);
3448
3449 for (le = first_le; le && le->section_id != section_id; le = le->next);
3450 if (le == NULL) {
3451 fprintf(stderr, "Unknown savevm section %d\n", section_id);
3452 ret = -EINVAL;
3453 goto out;
3454 }
3455
3456 le->se->load_state(f, le->se->opaque, le->version_id);
3457 break;
3458 default:
3459 fprintf(stderr, "Unknown savevm section type %d\n", section_type);
3460 ret = -EINVAL;
3461 goto out;
3462 }
3463 }
3464
8a7ddc38 3465 ret = 0;
9366f418
AL		 3466
3467out:
3468 while (first_le) {
3469 LoadStateEntry *le = first_le;
3470 first_le = first_le->next;
3471 qemu_free(le);
3472 }
3473
871d2f07
AL		 3474 if (qemu_file_has_error(f))
3475 ret = -EIO;
3476
faea38e7
FB		 3477 return ret;
3478}
3479
3480/* device can contain snapshots */
3481static int bdrv_can_snapshot(BlockDriverState *bs)
3482{
3483 return (bs &&
3484 !bdrv_is_removable(bs) &&
3485 !bdrv_is_read_only(bs));
3486}
3487
3488/* device must be snapshots in order to have a reliable snapshot */
3489static int bdrv_has_snapshot(BlockDriverState *bs)
3490{
3491 return (bs &&
3492 !bdrv_is_removable(bs) &&
3493 !bdrv_is_read_only(bs));
3494}
3495
3496static BlockDriverState *get_bs_snapshots(void)
3497{
3498 BlockDriverState *bs;
3499 int i;
3500
3501 if (bs_snapshots)
3502 return bs_snapshots;
e4bcb14c
TS		 3503 for(i = 0; i <= nb_drives; i++) {
3504 bs = drives_table[i].bdrv;
faea38e7
FB		 3505 if (bdrv_can_snapshot(bs))
3506 goto ok;
3507 }
3508 return NULL;
3509 ok:
3510 bs_snapshots = bs;
3511 return bs;
3512}
3513
3514static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
3515 const char *name)
3516{
3517 QEMUSnapshotInfo *sn_tab, *sn;
3518 int nb_sns, i, ret;
3b46e624 3519
faea38e7
FB		 3520 ret = -ENOENT;
3521 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
3522 if (nb_sns < 0)
3523 return ret;
3524 for(i = 0; i < nb_sns; i++) {
3525 sn = &sn_tab[i];
3526 if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
3527 *sn_info = *sn;
3528 ret = 0;
3529 break;
3530 }
3531 }
3532 qemu_free(sn_tab);
3533 return ret;
3534}
3535
3536void do_savevm(const char *name)
3537{
3538 BlockDriverState *bs, *bs1;
3539 QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
3540 int must_delete, ret, i;
3541 BlockDriverInfo bdi1, *bdi = &bdi1;
3542 QEMUFile *f;
3543 int saved_vm_running;
4c279bdf
FB		 3544#ifdef _WIN32
3545 struct _timeb tb;
3546#else
faea38e7 3547 struct timeval tv;
4c279bdf 3548#endif
faea38e7
FB		 3549
3550 bs = get_bs_snapshots();
3551 if (!bs) {
3552 term_printf("No block device can accept snapshots\n");
3553 return;
3554 }
3555
6192bc37
PB		 3556 /* ??? Should this occur after vm_stop? */
3557 qemu_aio_flush();
3558
faea38e7
FB		 3559 saved_vm_running = vm_running;
3560 vm_stop(0);
3b46e624 3561
faea38e7
FB		 3562 must_delete = 0;
3563 if (name) {
3564 ret = bdrv_snapshot_find(bs, old_sn, name);
3565 if (ret >= 0) {
3566 must_delete = 1;
3567 }
3568 }
3569 memset(sn, 0, sizeof(*sn));
3570 if (must_delete) {
3571 pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
3572 pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
3573 } else {
3574 if (name)
3575 pstrcpy(sn->name, sizeof(sn->name), name);
3576 }
3577
3578 /* fill auxiliary fields */
4c279bdf
FB		 3579#ifdef _WIN32
3580 _ftime(&tb);
3581 sn->date_sec = tb.time;
3582 sn->date_nsec = tb.millitm * 1000000;
3583#else
faea38e7
FB		 3584 gettimeofday(&tv, NULL);
3585 sn->date_sec = tv.tv_sec;
3586 sn->date_nsec = tv.tv_usec * 1000;
4c279bdf 3587#endif
faea38e7 3588 sn->vm_clock_nsec = qemu_get_clock(vm_clock);
3b46e624 3589
faea38e7
FB		 3590 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
3591 term_printf("Device %s does not support VM state snapshots\n",
3592 bdrv_get_device_name(bs));
3593 goto the_end;
3594 }
3b46e624 3595
faea38e7
FB		 3596 /* save the VM state */
3597 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
3598 if (!f) {
3599 term_printf("Could not open VM state file\n");
3600 goto the_end;
3601 }
3602 ret = qemu_savevm_state(f);
3603 sn->vm_state_size = qemu_ftell(f);
3604 qemu_fclose(f);
3605 if (ret < 0) {
3606 term_printf("Error %d while writing VM\n", ret);
3607 goto the_end;
3608 }
3b46e624 3609
faea38e7
FB		 3610 /* create the snapshots */
3611
e4bcb14c
TS		 3612 for(i = 0; i < nb_drives; i++) {
3613 bs1 = drives_table[i].bdrv;
faea38e7
FB		 3614 if (bdrv_has_snapshot(bs1)) {
3615 if (must_delete) {
3616 ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
3617 if (ret < 0) {
3618 term_printf("Error while deleting snapshot on '%s'\n",
3619 bdrv_get_device_name(bs1));
3620 }
3621 }
3622 ret = bdrv_snapshot_create(bs1, sn);
3623 if (ret < 0) {
3624 term_printf("Error while creating snapshot on '%s'\n",
3625 bdrv_get_device_name(bs1));
3626 }
3627 }
3628 }
3629
8a7ddc38
FB		 3630 the_end:
3631 if (saved_vm_running)
3632 vm_start();
faea38e7
FB		 3633}
3634
3635void do_loadvm(const char *name)
3636{
3637 BlockDriverState *bs, *bs1;
3638 BlockDriverInfo bdi1, *bdi = &bdi1;
3639 QEMUFile *f;
3640 int i, ret;
3641 int saved_vm_running;
3642
3643 bs = get_bs_snapshots();
3644 if (!bs) {
3645 term_printf("No block device supports snapshots\n");
3646 return;
3647 }
3b46e624 3648
6192bc37
PB		 3649 /* Flush all IO requests so they don't interfere with the new state. */
3650 qemu_aio_flush();
3651
faea38e7
FB		 3652 saved_vm_running = vm_running;
3653 vm_stop(0);
3654
e4bcb14c
TS		 3655 for(i = 0; i <= nb_drives; i++) {
3656 bs1 = drives_table[i].bdrv;
faea38e7
FB		 3657 if (bdrv_has_snapshot(bs1)) {
3658 ret = bdrv_snapshot_goto(bs1, name);
3659 if (ret < 0) {
3660 if (bs != bs1)
3661 term_printf("Warning: ");
3662 switch(ret) {
3663 case -ENOTSUP:
3664 term_printf("Snapshots not supported on device '%s'\n",
3665 bdrv_get_device_name(bs1));
3666 break;
3667 case -ENOENT:
3668 term_printf("Could not find snapshot '%s' on device '%s'\n",
3669 name, bdrv_get_device_name(bs1));
3670 break;
3671 default:
3672 term_printf("Error %d while activating snapshot on '%s'\n",
3673 ret, bdrv_get_device_name(bs1));
3674 break;
3675 }
3676 /* fatal on snapshot block device */
3677 if (bs == bs1)
3678 goto the_end;
3679 }
3680 }
3681 }
3682
3683 if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
3684 term_printf("Device %s does not support VM state snapshots\n",
3685 bdrv_get_device_name(bs));
3686 return;
3687 }
3b46e624 3688
faea38e7
FB		 3689 /* restore the VM state */
3690 f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
3691 if (!f) {
3692 term_printf("Could not open VM state file\n");
3693 goto the_end;
3694 }
3695 ret = qemu_loadvm_state(f);
3696 qemu_fclose(f);
3697 if (ret < 0) {
3698 term_printf("Error %d while loading VM state\n", ret);
3699 }
3700 the_end:
3701 if (saved_vm_running)
3702 vm_start();
3703}
3704
3705void do_delvm(const char *name)
3706{
3707 BlockDriverState *bs, *bs1;
3708 int i, ret;
3709
3710 bs = get_bs_snapshots();
3711 if (!bs) {
3712 term_printf("No block device supports snapshots\n");
3713 return;
3714 }
3b46e624 3715
e4bcb14c
TS		 3716 for(i = 0; i <= nb_drives; i++) {
3717 bs1 = drives_table[i].bdrv;
faea38e7
FB		 3718 if (bdrv_has_snapshot(bs1)) {
3719 ret = bdrv_snapshot_delete(bs1, name);
3720 if (ret < 0) {
3721 if (ret == -ENOTSUP)
3722 term_printf("Snapshots not supported on device '%s'\n",
3723 bdrv_get_device_name(bs1));
3724 else
3725 term_printf("Error %d while deleting snapshot on '%s'\n",
3726 ret, bdrv_get_device_name(bs1));
3727 }
3728 }
3729 }
3730}
3731
3732void do_info_snapshots(void)
3733{
3734 BlockDriverState *bs, *bs1;
3735 QEMUSnapshotInfo *sn_tab, *sn;
3736 int nb_sns, i;
3737 char buf[256];
3738
3739 bs = get_bs_snapshots();
3740 if (!bs) {
3741 term_printf("No available block device supports snapshots\n");
3742 return;
3743 }
3744 term_printf("Snapshot devices:");
e4bcb14c
TS		 3745 for(i = 0; i <= nb_drives; i++) {
3746 bs1 = drives_table[i].bdrv;
faea38e7
FB		 3747 if (bdrv_has_snapshot(bs1)) {
3748 if (bs == bs1)
3749 term_printf(" %s", bdrv_get_device_name(bs1));
3750 }
3751 }
3752 term_printf("\n");
3753
3754 nb_sns = bdrv_snapshot_list(bs, &sn_tab);
3755 if (nb_sns < 0) {
3756 term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
3757 return;
3758 }
3759 term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
3760 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
3761 for(i = 0; i < nb_sns; i++) {
3762 sn = &sn_tab[i];
3763 term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
3764 }
3765 qemu_free(sn_tab);
8a7ddc38
FB		 3766}
3767
8a7ddc38
FB		 3768/***********************************************************/
3769/* ram save/restore */
3770
8a7ddc38
FB		 3771static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
3772{
3773 int v;
3774
3775 v = qemu_get_byte(f);
3776 switch(v) {
3777 case 0:
3778 if (qemu_get_buffer(f, buf, len) != len)
3779 return -EIO;
3780 break;
3781 case 1:
3782 v = qemu_get_byte(f);
3783 memset(buf, v, len);
3784 break;
3785 default:
3786 return -EINVAL;
3787 }
871d2f07
AL		 3788
3789 if (qemu_file_has_error(f))
3790 return -EIO;
3791
8a7ddc38
FB		 3792 return 0;
3793}
3794
c88676f8
FB		 3795static int ram_load_v1(QEMUFile *f, void *opaque)
3796{
00f82b8a
AJ		 3797 int ret;
3798 ram_addr_t i;
c88676f8
FB		 3799
3800 if (qemu_get_be32(f) != phys_ram_size)
3801 return -EINVAL;
3802 for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
3803 ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
3804 if (ret)
3805 return ret;
3806 }
3807 return 0;
3808}
3809
3810#define BDRV_HASH_BLOCK_SIZE 1024
3811#define IOBUF_SIZE 4096
3812#define RAM_CBLOCK_MAGIC 0xfabe
3813
c88676f8
FB		 3814typedef struct RamDecompressState {
3815 z_stream zstream;
3816 QEMUFile *f;
3817 uint8_t buf[IOBUF_SIZE];
3818} RamDecompressState;
3819
3820static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
3821{
3822 int ret;
3823 memset(s, 0, sizeof(*s));
3824 s->f = f;
3825 ret = inflateInit(&s->zstream);
3826 if (ret != Z_OK)
3827 return -1;
3828 return 0;
3829}
3830
3831static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
3832{
3833 int ret, clen;
3834
3835 s->zstream.avail_out = len;
3836 s->zstream.next_out = buf;
3837 while (s->zstream.avail_out > 0) {
3838 if (s->zstream.avail_in == 0) {
3839 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
3840 return -1;
3841 clen = qemu_get_be16(s->f);
3842 if (clen > IOBUF_SIZE)
3843 return -1;
3844 qemu_get_buffer(s->f, s->buf, clen);
3845 s->zstream.avail_in = clen;
3846 s->zstream.next_in = s->buf;
3847 }
3848 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
3849 if (ret != Z_OK && ret != Z_STREAM_END) {
3850 return -1;
3851 }
3852 }
3853 return 0;
3854}
3855
3856static void ram_decompress_close(RamDecompressState *s)
3857{
3858 inflateEnd(&s->zstream);
3859}
3860
475e4277
AL		 3861#define RAM_SAVE_FLAG_FULL 0x01
3862#define RAM_SAVE_FLAG_COMPRESS 0x02
3863#define RAM_SAVE_FLAG_MEM_SIZE 0x04
3864#define RAM_SAVE_FLAG_PAGE 0x08
3865#define RAM_SAVE_FLAG_EOS 0x10
3866
3867static int is_dup_page(uint8_t *page, uint8_t ch)
8a7ddc38 3868{
475e4277
AL		 3869 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
3870 uint32_t *array = (uint32_t *)page;
3871 int i;
3b46e624 3872
475e4277
AL		 3873 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
3874 if (array[i] != val)
3875 return 0;
3876 }
3877
3878 return 1;
3879}
3880
3881static int ram_save_block(QEMUFile *f)
3882{
3883 static ram_addr_t current_addr = 0;
3884 ram_addr_t saved_addr = current_addr;
3885 ram_addr_t addr = 0;
3886 int found = 0;
3887
3888 while (addr < phys_ram_size) {
3889 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
3890 uint8_t ch;
3891
3892 cpu_physical_memory_reset_dirty(current_addr,
3893 current_addr + TARGET_PAGE_SIZE,
3894 MIGRATION_DIRTY_FLAG);
3895
3896 ch = *(phys_ram_base + current_addr);
3897
3898 if (is_dup_page(phys_ram_base + current_addr, ch)) {
3899 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
3900 qemu_put_byte(f, ch);
3901 } else {
3902 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
3903 qemu_put_buffer(f, phys_ram_base + current_addr, TARGET_PAGE_SIZE);
c88676f8 3904 }
475e4277
AL		 3905
3906 found = 1;
3907 break;
c88676f8 3908 }
475e4277
AL		 3909 addr += TARGET_PAGE_SIZE;
3910 current_addr = (saved_addr + addr) % phys_ram_size;
8a7ddc38 3911 }
475e4277
AL		 3912
3913 return found;
8a7ddc38
FB		 3914}
3915
475e4277
AL		 3916static ram_addr_t ram_save_threshold = 10;
3917
3918static ram_addr_t ram_save_remaining(void)
3919{
3920 ram_addr_t addr;
3921 ram_addr_t count = 0;
3922
3923 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
3924 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3925 count++;
3926 }
3927
3928 return count;
3929}
3930
3931static int ram_save_live(QEMUFile *f, int stage, void *opaque)
3932{
3933 ram_addr_t addr;
3934
3935 if (stage == 1) {
3936 /* Make sure all dirty bits are set */
3937 for (addr = 0; addr < phys_ram_size; addr += TARGET_PAGE_SIZE) {
3938 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3939 cpu_physical_memory_set_dirty(addr);
3940 }
3941
3942 /* Enable dirty memory tracking */
3943 cpu_physical_memory_set_dirty_tracking(1);
3944
3945 qemu_put_be64(f, phys_ram_size | RAM_SAVE_FLAG_MEM_SIZE);
3946 }
3947
3948 while (!qemu_file_rate_limit(f)) {
3949 int ret;
3950
3951 ret = ram_save_block(f);
3952 if (ret == 0) /* no more blocks */
3953 break;
3954 }
3955
3956 /* try transferring iterative blocks of memory */
3957
3958 if (stage == 3) {
3959 cpu_physical_memory_set_dirty_tracking(0);
3960
3961 /* flush all remaining blocks regardless of rate limiting */
3962 while (ram_save_block(f) != 0);
3963 }
3964
3965 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
3966
3967 return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
3968}
3969
3970static int ram_load_dead(QEMUFile *f, void *opaque)
8a7ddc38 3971{
c88676f8
FB		 3972 RamDecompressState s1, *s = &s1;
3973 uint8_t buf[10];
00f82b8a 3974 ram_addr_t i;
8a7ddc38 3975
c88676f8
FB		 3976 if (ram_decompress_open(s, f) < 0)
3977 return -EINVAL;
3978 for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
3979 if (ram_decompress_buf(s, buf, 1) < 0) {
3980 fprintf(stderr, "Error while reading ram block header\n");
3981 goto error;
3982 }
3983 if (buf[0] == 0) {
3984 if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
00f82b8a 3985 fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
c88676f8
FB		 3986 goto error;
3987 }
475e4277 3988 } else {
c88676f8
FB		 3989 error:
3990 printf("Error block header\n");
3991 return -EINVAL;
3992 }
8a7ddc38 3993 }
c88676f8 3994 ram_decompress_close(s);
475e4277
AL		 3995
3996 return 0;
3997}
3998
3999static int ram_load(QEMUFile *f, void *opaque, int version_id)
4000{
4001 ram_addr_t addr;
4002 int flags;
4003
4004 if (version_id == 1)
4005 return ram_load_v1(f, opaque);
4006
4007 if (version_id == 2) {
4008 if (qemu_get_be32(f) != phys_ram_size)
4009 return -EINVAL;
4010 return ram_load_dead(f, opaque);
4011 }
4012
4013 if (version_id != 3)
4014 return -EINVAL;
4015
4016 do {
4017 addr = qemu_get_be64(f);
4018
4019 flags = addr & ~TARGET_PAGE_MASK;
4020 addr &= TARGET_PAGE_MASK;
4021
4022 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
4023 if (addr != phys_ram_size)
4024 return -EINVAL;
4025 }
4026
4027 if (flags & RAM_SAVE_FLAG_FULL) {
4028 if (ram_load_dead(f, opaque) < 0)
4029 return -EINVAL;
4030 }
4031
4032 if (flags & RAM_SAVE_FLAG_COMPRESS) {
4033 uint8_t ch = qemu_get_byte(f);
4034 memset(phys_ram_base + addr, ch, TARGET_PAGE_SIZE);
4035 } else if (flags & RAM_SAVE_FLAG_PAGE)
4036 qemu_get_buffer(f, phys_ram_base + addr, TARGET_PAGE_SIZE);
4037 } while (!(flags & RAM_SAVE_FLAG_EOS));
4038
8a7ddc38
FB		 4039 return 0;
4040}
4041
9e472e10
AL		 4042void qemu_service_io(void)
4043{
4044 CPUState *env = cpu_single_env;
4045 if (env) {
4046 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
4047#ifdef USE_KQEMU
4048 if (env->kqemu_enabled) {
4049 kqemu_cpu_interrupt(env);
4050 }
4051#endif
4052 }
4053}
4054
83f64091
FB		 4055/***********************************************************/
4056/* bottom halves (can be seen as timers which expire ASAP) */
4057
4058struct QEMUBH {
4059 QEMUBHFunc *cb;
4060 void *opaque;
4061 int scheduled;
1b435b10
AL		 4062 int idle;
4063 int deleted;
83f64091
FB		 4064 QEMUBH *next;
4065};
4066
4067static QEMUBH *first_bh = NULL;
4068
4069QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
4070{
4071 QEMUBH *bh;
4072 bh = qemu_mallocz(sizeof(QEMUBH));
4073 if (!bh)
4074 return NULL;
4075 bh->cb = cb;
4076 bh->opaque = opaque;
1b435b10
AL		 4077 bh->next = first_bh;
4078 first_bh = bh;
83f64091
FB		 4079 return bh;
4080}
4081
6eb5733a 4082int qemu_bh_poll(void)
83f64091 4083{
1b435b10 4084 QEMUBH *bh, **bhp;
6eb5733a 4085 int ret;
83f64091 4086
6eb5733a 4087 ret = 0;
1b435b10
AL		 4088 for (bh = first_bh; bh; bh = bh->next) {
4089 if (!bh->deleted && bh->scheduled) {
4090 bh->scheduled = 0;
4091 if (!bh->idle)
4092 ret = 1;
4093 bh->idle = 0;
4094 bh->cb(bh->opaque);
4095 }
83f64091 4096 }
1b435b10
AL		 4097
4098 /* remove deleted bhs */
4099 bhp = &first_bh;
4100 while (*bhp) {
4101 bh = *bhp;
4102 if (bh->deleted) {
4103 *bhp = bh->next;
4104 qemu_free(bh);
4105 } else
4106 bhp = &bh->next;
4107 }
4108
6eb5733a 4109 return ret;
83f64091
FB		 4110}
4111
1b435b10
AL		 4112void qemu_bh_schedule_idle(QEMUBH *bh)
4113{
4114 if (bh->scheduled)
4115 return;
4116 bh->scheduled = 1;
4117 bh->idle = 1;
4118}
4119
83f64091
FB		 4120void qemu_bh_schedule(QEMUBH *bh)
4121{
4122 CPUState *env = cpu_single_env;
4123 if (bh->scheduled)
4124 return;
4125 bh->scheduled = 1;
1b435b10 4126 bh->idle = 0;
83f64091
FB		 4127 /* stop the currently executing CPU to execute the BH ASAP */
4128 if (env) {
4129 cpu_interrupt(env, CPU_INTERRUPT_EXIT);
4130 }
4131}
4132
4133void qemu_bh_cancel(QEMUBH *bh)
4134{
1b435b10 4135 bh->scheduled = 0;
83f64091
FB		 4136}
4137
4138void qemu_bh_delete(QEMUBH *bh)
4139{
1b435b10
AL		 4140 bh->scheduled = 0;
4141 bh->deleted = 1;
83f64091
FB		 4142}
4143
56f3a5d0
AL		 4144static void qemu_bh_update_timeout(int *timeout)
4145{
4146 QEMUBH *bh;
4147
4148 for (bh = first_bh; bh; bh = bh->next) {
4149 if (!bh->deleted && bh->scheduled) {
4150 if (bh->idle) {
4151 /* idle bottom halves will be polled at least
4152 * every 10ms */
4153 *timeout = MIN(10, *timeout);
4154 } else {
4155 /* non-idle bottom halves will be executed
4156 * immediately */
4157 *timeout = 0;
4158 break;
4159 }
4160 }
4161 }
4162}
4163
cc1daa40
FB		 4164/***********************************************************/
4165/* machine registration */
4166
bdaf78e0 4167static QEMUMachine *first_machine = NULL;
cc1daa40
FB		 4168
4169int qemu_register_machine(QEMUMachine *m)
4170{
4171 QEMUMachine **pm;
4172 pm = &first_machine;
4173 while (*pm != NULL)
4174 pm = &(*pm)->next;
4175 m->next = NULL;
4176 *pm = m;
4177 return 0;
4178}
4179
9596ebb7 4180static QEMUMachine *find_machine(const char *name)
cc1daa40
FB		 4181{
4182 QEMUMachine *m;
4183
4184 for(m = first_machine; m != NULL; m = m->next) {
4185 if (!strcmp(m->name, name))
4186 return m;
4187 }
4188 return NULL;
4189}
4190
8a7ddc38
FB		 4191/***********************************************************/
4192/* main execution loop */
4193
9596ebb7 4194static void gui_update(void *opaque)
8a7ddc38 4195{
740733bb
TS		 4196 DisplayState *ds = opaque;
4197 ds->dpy_refresh(ds);
f442e08b
AJ		 4198 qemu_mod_timer(ds->gui_timer,
4199 (ds->gui_timer_interval ?
4200 ds->gui_timer_interval :
4201 GUI_REFRESH_INTERVAL)
4202 + qemu_get_clock(rt_clock));
8a7ddc38
FB		 4203}
4204
0bd48850
FB		 4205struct vm_change_state_entry {
4206 VMChangeStateHandler *cb;
4207 void *opaque;
4208 LIST_ENTRY (vm_change_state_entry) entries;
4209};
4210
4211static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
4212
4213VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
4214 void *opaque)
4215{
4216 VMChangeStateEntry *e;
4217
4218 e = qemu_mallocz(sizeof (*e));
4219 if (!e)
4220 return NULL;
4221
4222 e->cb = cb;
4223 e->opaque = opaque;
4224 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
4225 return e;
4226}
4227
4228void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
4229{
4230 LIST_REMOVE (e, entries);
4231 qemu_free (e);
4232}
4233
4234static void vm_state_notify(int running)
4235{
4236 VMChangeStateEntry *e;
4237
4238 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
4239 e->cb(e->opaque, running);
4240 }
4241}
4242
8a7ddc38 4243/* XXX: support several handlers */
0bd48850
FB		 4244static VMStopHandler *vm_stop_cb;
4245static void *vm_stop_opaque;
8a7ddc38
FB		 4246
4247int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
4248{
4249 vm_stop_cb = cb;
4250 vm_stop_opaque = opaque;
4251 return 0;
4252}
4253
4254void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
4255{
4256 vm_stop_cb = NULL;
4257}
4258
4259void vm_start(void)
4260{
4261 if (!vm_running) {
4262 cpu_enable_ticks();
4263 vm_running = 1;
0bd48850 4264 vm_state_notify(1);
efe75411 4265 qemu_rearm_alarm_timer(alarm_timer);
8a7ddc38
FB		 4266 }
4267}
4268
5fafdf24 4269void vm_stop(int reason)
8a7ddc38
FB		 4270{
4271 if (vm_running) {
4272 cpu_disable_ticks();
4273 vm_running = 0;
4274 if (reason != 0) {
4275 if (vm_stop_cb) {
4276 vm_stop_cb(vm_stop_opaque, reason);
4277 }
34865134 4278 }
0bd48850 4279 vm_state_notify(0);
8a7ddc38
FB		 4280 }
4281}
4282
bb0c6722
FB		 4283/* reset/shutdown handler */
4284
4285typedef struct QEMUResetEntry {
4286 QEMUResetHandler *func;
4287 void *opaque;
4288 struct QEMUResetEntry *next;
4289} QEMUResetEntry;
4290
4291static QEMUResetEntry *first_reset_entry;
4292static int reset_requested;
4293static int shutdown_requested;
3475187d 4294static int powerdown_requested;
bb0c6722 4295
cf7a2fe2
AJ		 4296int qemu_shutdown_requested(void)
4297{
4298 int r = shutdown_requested;
4299 shutdown_requested = 0;
4300 return r;
4301}
4302
4303int qemu_reset_requested(void)
4304{
4305 int r = reset_requested;
4306 reset_requested = 0;
4307 return r;
4308}
4309
4310int qemu_powerdown_requested(void)
4311{
4312 int r = powerdown_requested;
4313 powerdown_requested = 0;
4314 return r;
4315}
4316
bb0c6722
FB		 4317void qemu_register_reset(QEMUResetHandler *func, void *opaque)
4318{
4319 QEMUResetEntry **pre, *re;
4320
4321 pre = &first_reset_entry;
4322 while (*pre != NULL)
4323 pre = &(*pre)->next;
4324 re = qemu_mallocz(sizeof(QEMUResetEntry));
4325 re->func = func;
4326 re->opaque = opaque;
4327 re->next = NULL;
4328 *pre = re;
4329}
4330
cf7a2fe2 4331void qemu_system_reset(void)
bb0c6722
FB		 4332{
4333 QEMUResetEntry *re;
4334
4335 /* reset all devices */
4336 for(re = first_reset_entry; re != NULL; re = re->next) {
4337 re->func(re->opaque);
4338 }
4339}
4340
4341void qemu_system_reset_request(void)
4342{
d1beab82
FB		 4343 if (no_reboot) {
4344 shutdown_requested = 1;
4345 } else {
4346 reset_requested = 1;
4347 }
6a00d601
FB		 4348 if (cpu_single_env)
4349 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
bb0c6722
FB		 4350}
4351
4352void qemu_system_shutdown_request(void)
4353{
4354 shutdown_requested = 1;
6a00d601
FB		 4355 if (cpu_single_env)
4356 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
bb0c6722
FB		 4357}
4358
3475187d
FB		 4359void qemu_system_powerdown_request(void)
4360{
4361 powerdown_requested = 1;
6a00d601
FB		 4362 if (cpu_single_env)
4363 cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
bb0c6722
FB		 4364}
4365
877cf882 4366#ifdef _WIN32
56f3a5d0
AL		 4367void host_main_loop_wait(int *timeout)
4368{
4369 int ret, ret2, i;
f331110f
FB		 4370 PollingEntry *pe;
4371
c4b1fcc0 4372
f331110f
FB		 4373 /* XXX: need to suppress polling by better using win32 events */
4374 ret = 0;
4375 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
4376 ret |= pe->func(pe->opaque);
4377 }
e6b1e558 4378 if (ret == 0) {
a18e524a
FB		 4379 int err;
4380 WaitObjects *w = &wait_objects;
3b46e624 4381
56f3a5d0 4382 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
a18e524a
FB		 4383 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
4384 if (w->func[ret - WAIT_OBJECT_0])
4385 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
3b46e624 4386
5fafdf24 4387 /* Check for additional signaled events */
e6b1e558 4388 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
3b46e624 4389
e6b1e558
TS		 4390 /* Check if event is signaled */
4391 ret2 = WaitForSingleObject(w->events[i], 0);
4392 if(ret2 == WAIT_OBJECT_0) {
4393 if (w->func[i])
4394 w->func[i](w->opaque[i]);
4395 } else if (ret2 == WAIT_TIMEOUT) {
4396 } else {
4397 err = GetLastError();
4398 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
3b46e624
TS		 4399 }
4400 }
a18e524a
FB		 4401 } else if (ret == WAIT_TIMEOUT) {
4402 } else {
4403 err = GetLastError();
e6b1e558 4404 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
a18e524a 4405 }
f331110f 4406 }
56f3a5d0
AL		 4407
4408 *timeout = 0;
4409}
4410#else
4411void host_main_loop_wait(int *timeout)
4412{
4413}
fd1dff4b 4414#endif
56f3a5d0
AL		 4415
4416void main_loop_wait(int timeout)
4417{
4418 IOHandlerRecord *ioh;
4419 fd_set rfds, wfds, xfds;
4420 int ret, nfds;
4421 struct timeval tv;
4422
4423 qemu_bh_update_timeout(&timeout);
4424
4425 host_main_loop_wait(&timeout);
4426
fd1dff4b
FB		 4427 /* poll any events */
4428 /* XXX: separate device handlers from system ones */
4429 nfds = -1;
4430 FD_ZERO(&rfds);
4431 FD_ZERO(&wfds);
e035649e 4432 FD_ZERO(&xfds);
fd1dff4b 4433 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
cafffd40
TS		 4434 if (ioh->deleted)
4435 continue;
fd1dff4b
FB		 4436 if (ioh->fd_read &&
4437 (!ioh->fd_read_poll ||
4438 ioh->fd_read_poll(ioh->opaque) != 0)) {
4439 FD_SET(ioh->fd, &rfds);
4440 if (ioh->fd > nfds)
4441 nfds = ioh->fd;
4442 }
4443 if (ioh->fd_write) {
4444 FD_SET(ioh->fd, &wfds);
4445 if (ioh->fd > nfds)
4446 nfds = ioh->fd;
4447 }
4448 }
3b46e624 4449
56f3a5d0
AL		 4450 tv.tv_sec = timeout / 1000;
4451 tv.tv_usec = (timeout % 1000) * 1000;
4452
e035649e 4453#if defined(CONFIG_SLIRP)
63a01ef8 4454 if (slirp_is_inited()) {
e035649e
FB		 4455 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
4456 }
4457#endif
4458 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
fd1dff4b 4459 if (ret > 0) {
cafffd40
TS		 4460 IOHandlerRecord **pioh;
4461
4462 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
6ab43fdc 4463 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
fd1dff4b 4464 ioh->fd_read(ioh->opaque);
7c9d8e07 4465 }
6ab43fdc 4466 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
fd1dff4b 4467 ioh->fd_write(ioh->opaque);
c4b1fcc0 4468 }
b4608c04 4469 }
cafffd40
TS		 4470
4471 /* remove deleted IO handlers */
4472 pioh = &first_io_handler;
4473 while (*pioh) {
4474 ioh = *pioh;
4475 if (ioh->deleted) {
4476 *pioh = ioh->next;
4477 qemu_free(ioh);
5fafdf24 4478 } else
cafffd40
TS		 4479 pioh = &ioh->next;
4480 }
fd1dff4b 4481 }
c20709aa 4482#if defined(CONFIG_SLIRP)
63a01ef8 4483 if (slirp_is_inited()) {
e035649e
FB		 4484 if (ret < 0) {
4485 FD_ZERO(&rfds);
4486 FD_ZERO(&wfds);
4487 FD_ZERO(&xfds);
c20709aa 4488 }
e035649e 4489 slirp_select_poll(&rfds, &wfds, &xfds);
fd1dff4b 4490 }
e035649e 4491#endif
b4608c04 4492
fd1dff4b 4493 if (vm_running) {
21b20814 4494 if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
5fafdf24 4495 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
fd1dff4b 4496 qemu_get_clock(vm_clock));
fd1dff4b 4497 }
423f0742 4498
fd1dff4b 4499 /* real time timers */
5fafdf24 4500 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
fd1dff4b 4501 qemu_get_clock(rt_clock));
423f0742 4502
d5d08334
AZ		 4503 if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
4504 alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED);
4505 qemu_rearm_alarm_timer(alarm_timer);
4506 }
b99dc0d1 4507
423f0742
PB		 4508 /* Check bottom-halves last in case any of the earlier events triggered
4509 them. */
4510 qemu_bh_poll();
3b46e624 4511
5905b2e5
FB		 4512}
4513
9596ebb7 4514static int main_loop(void)
5905b2e5
FB		 4515{
4516 int ret, timeout;
89bfc105
FB		 4517#ifdef CONFIG_PROFILER
4518 int64_t ti;
4519#endif
6a00d601 4520 CPUState *env;
5905b2e5 4521
6a00d601 4522 cur_cpu = first_cpu;
ee5605e5 4523 next_cpu = cur_cpu->next_cpu ?: first_cpu;
5905b2e5
FB		 4524 for(;;) {
4525 if (vm_running) {
15a76449 4526
15a76449
FB		 4527 for(;;) {
4528 /* get next cpu */
ee5605e5 4529 env = next_cpu;
89bfc105
FB		 4530#ifdef CONFIG_PROFILER
4531 ti = profile_getclock();
4532#endif
2e70f6ef
PB		 4533 if (use_icount) {
4534 int64_t count;
4535 int decr;
4536 qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
4537 env->icount_decr.u16.low = 0;
4538 env->icount_extra = 0;
4539 count = qemu_next_deadline();
4540 count = (count + (1 << icount_time_shift) - 1)
4541 >> icount_time_shift;
4542 qemu_icount += count;
4543 decr = (count > 0xffff) ? 0xffff : count;
4544 count -= decr;
4545 env->icount_decr.u16.low = decr;
4546 env->icount_extra = count;
4547 }
6a00d601 4548 ret = cpu_exec(env);
89bfc105
FB		 4549#ifdef CONFIG_PROFILER
4550 qemu_time += profile_getclock() - ti;
4551#endif
2e70f6ef
PB		 4552 if (use_icount) {
4553 /* Fold pending instructions back into the
4554 instruction counter, and clear the interrupt flag. */
4555 qemu_icount -= (env->icount_decr.u16.low
4556 + env->icount_extra);
4557 env->icount_decr.u32 = 0;
4558 env->icount_extra = 0;
4559 }
ee5605e5 4560 next_cpu = env->next_cpu ?: first_cpu;
95b01009 4561 if (event_pending && likely(ret != EXCP_DEBUG)) {
ee5605e5
AZ		 4562 ret = EXCP_INTERRUPT;
4563 event_pending = 0;
4564 break;
4565 }
bd967e05
PB		 4566 if (ret == EXCP_HLT) {
4567 /* Give the next CPU a chance to run. */
4568 cur_cpu = env;
4569 continue;
4570 }
15a76449
FB		 4571 if (ret != EXCP_HALTED)
4572 break;
4573 /* all CPUs are halted ? */
bd967e05 4574 if (env == cur_cpu)
15a76449 4575 break;
15a76449
FB		 4576 }
4577 cur_cpu = env;
4578
5905b2e5 4579 if (shutdown_requested) {
3475187d 4580 ret = EXCP_INTERRUPT;
b2f76161
AJ		 4581 if (no_shutdown) {
4582 vm_stop(0);
4583 no_shutdown = 0;
4584 }
4585 else
4586 break;
5905b2e5
FB		 4587 }
4588 if (reset_requested) {
4589 reset_requested = 0;
4590 qemu_system_reset();
3475187d
FB		 4591 ret = EXCP_INTERRUPT;
4592 }
4593 if (powerdown_requested) {
4594 powerdown_requested = 0;
4595 qemu_system_powerdown();
4596 ret = EXCP_INTERRUPT;
5905b2e5 4597 }
95b01009 4598 if (unlikely(ret == EXCP_DEBUG)) {
5905b2e5
FB		 4599 vm_stop(EXCP_DEBUG);
4600 }
bd967e05 4601 /* If all cpus are halted then wait until the next IRQ */
5905b2e5 4602 /* XXX: use timeout computed from timers */
2e70f6ef
PB		 4603 if (ret == EXCP_HALTED) {
4604 if (use_icount) {
4605 int64_t add;
4606 int64_t delta;
4607 /* Advance virtual time to the next event. */
4608 if (use_icount == 1) {
4609 /* When not using an adaptive execution frequency
4610 we tend to get badly out of sync with real time,
bf20dc07 4611 so just delay for a reasonable amount of time. */
2e70f6ef
PB		 4612 delta = 0;
4613 } else {
4614 delta = cpu_get_icount() - cpu_get_clock();
4615 }
4616 if (delta > 0) {
4617 /* If virtual time is ahead of real time then just
4618 wait for IO. */
4619 timeout = (delta / 1000000) + 1;
4620 } else {
4621 /* Wait for either IO to occur or the next
4622 timer event. */
4623 add = qemu_next_deadline();
4624 /* We advance the timer before checking for IO.
4625 Limit the amount we advance so that early IO
4626 activity won't get the guest too far ahead. */
4627 if (add > 10000000)
4628 add = 10000000;
4629 delta += add;
4630 add = (add + (1 << icount_time_shift) - 1)
4631 >> icount_time_shift;
4632 qemu_icount += add;
4633 timeout = delta / 1000000;
4634 if (timeout < 0)
4635 timeout = 0;
4636 }
4637 } else {
0a1af395 4638 timeout = 5000;
2e70f6ef
PB		 4639 }
4640 } else {
5905b2e5 4641 timeout = 0;
2e70f6ef 4642 }
5905b2e5 4643 } else {
98448f58
BS		 4644 if (shutdown_requested) {
4645 ret = EXCP_INTERRUPT;
5b08fc10 4646 break;
98448f58 4647 }
0a1af395 4648 timeout = 5000;
5905b2e5 4649 }
89bfc105
FB		 4650#ifdef CONFIG_PROFILER
4651 ti = profile_getclock();
4652#endif
5905b2e5 4653 main_loop_wait(timeout);
89bfc105
FB		 4654#ifdef CONFIG_PROFILER
4655 dev_time += profile_getclock() - ti;
4656#endif
b4608c04 4657 }
34865134
FB		 4658 cpu_disable_ticks();
4659 return ret;
b4608c04
FB		 4660}
4661
15f82208 4662static void help(int exitcode)
0824d6fc 4663{
68d0f70e 4664 printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n"
0db63474 4665 "usage: %s [options] [disk_image]\n"
0824d6fc 4666 "\n"
a20dd508 4667 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
fc01f7e7 4668 "\n"
a20dd508 4669 "Standard options:\n"
cc1daa40 4670 "-M machine select emulated machine (-M ? for list)\n"
5adb4839 4671 "-cpu cpu select CPU (-cpu ? for list)\n"
c45886db 4672 "-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
36b486bb
FB		 4673 "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
4674 "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
c4b1fcc0 4675 "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
a1620fac
AJ		 4676 "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n"
4677 " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n"
9f7965c7 4678 " [,cache=writethrough|writeback|none][,format=f]\n"
e4bcb14c 4679 " use 'file' as a drive image\n"
3e3d5815 4680 "-mtdblock file use 'file' as on-board Flash memory image\n"
a1bb27b1 4681 "-sd file use 'file' as SecureDigital card image\n"
86f55663 4682 "-pflash file use 'file' as a parallel flash image\n"
eec85c2a 4683 "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
667accab
TS		 4684 "-snapshot write to temporary files instead of disk image files\n"
4685#ifdef CONFIG_SDL
43523e93 4686 "-no-frame open SDL window without a frame and window decorations\n"
3780e197 4687 "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n"
667accab
TS		 4688 "-no-quit disable SDL window close capability\n"
4689#endif
52ca8d6a
FB		 4690#ifdef TARGET_I386
4691 "-no-fd-bootchk disable boot signature checking for floppy disks\n"
4692#endif
a00bad7e 4693 "-m megs set virtual RAM size to megs MB [default=%d]\n"
91fc2119 4694 "-smp n set the number of CPUs to 'n' [default=1]\n"
c4b1fcc0 4695 "-nographic disable graphical output and redirect serial I/Os to console\n"
a171fe39 4696 "-portrait rotate graphical output 90 deg left (only PXA LCD)\n"
4ca0074c 4697#ifndef _WIN32
667accab 4698 "-k language use keyboard layout (for example \"fr\" for French)\n"
4ca0074c 4699#endif
1d14ffa9 4700#ifdef HAS_AUDIO
1d14ffa9 4701 "-audio-help print list of audio drivers and their options\n"
c0fe3827
FB		 4702 "-soundhw c1,... enable audio support\n"
4703 " and only specified sound cards (comma separated list)\n"
4704 " use -soundhw ? to get the list of supported cards\n"
6a36d84e 4705 " use -soundhw all to enable all of them\n"
1d14ffa9 4706#endif
3893c124 4707 "-vga [std|cirrus|vmware]\n"
4708 " select video card type\n"
89980284 4709 "-localtime set the real time clock to local time [default=utc]\n"
d63d307f 4710 "-full-screen start in full screen\n"
a09db21f
FB		 4711#ifdef TARGET_I386
4712 "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
4713#endif
b389dbfb
FB		 4714 "-usb enable the USB driver (will be the default soon)\n"
4715 "-usbdevice name add the host or guest USB device 'name'\n"
6f7e9aec
FB		 4716#if defined(TARGET_PPC) || defined(TARGET_SPARC)
4717 "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
bb0c6722 4718#endif
c35734b2 4719 "-name string set the name of the guest\n"
8fcb1b90 4720 "-uuid %%08x-%%04x-%%04x-%%04x-%%012x specify machine UUID\n"
c4b1fcc0
FB		 4721 "\n"
4722 "Network options:\n"
a41b2ff2 4723 "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
7c9d8e07 4724 " create a new Network Interface Card and connect it to VLAN 'n'\n"
c20709aa 4725#ifdef CONFIG_SLIRP
115defd1
PB		 4726 "-net user[,vlan=n][,hostname=host]\n"
4727 " connect the user mode network stack to VLAN 'n' and send\n"
4728 " hostname 'host' to DHCP clients\n"
7c9d8e07 4729#endif
7fb843f8
FB		 4730#ifdef _WIN32
4731 "-net tap[,vlan=n],ifname=name\n"
4732 " connect the host TAP network interface to VLAN 'n'\n"
4733#else
b46a8906
TS		 4734 "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n"
4735 " connect the host TAP network interface to VLAN 'n' and use the\n"
4736 " network scripts 'file' (default=%s)\n"
4737 " and 'dfile' (default=%s);\n"
4738 " use '[down]script=no' to disable script execution;\n"
7c9d8e07 4739 " use 'fd=h' to connect to an already opened TAP interface\n"
7fb843f8 4740#endif
6a00d601 4741 "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
7c9d8e07 4742 " connect the vlan 'n' to another VLAN using a socket connection\n"
3d830459
FB		 4743 "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
4744 " connect the vlan 'n' to multicast maddr and port\n"
8a16d273
TS		 4745#ifdef CONFIG_VDE
4746 "-net vde[,vlan=n][,sock=socketpath][,port=n][,group=groupname][,mode=octalmode]\n"
4747 " connect the vlan 'n' to port 'n' of a vde switch running\n"
4748 " on host and listening for incoming connections on 'socketpath'.\n"
4749 " Use group 'groupname' and mode 'octalmode' to change default\n"
4750 " ownership and permissions for communication port.\n"
4751#endif
7c9d8e07
FB		 4752 "-net none use it alone to have zero network devices; if no -net option\n"
4753 " is provided, the default is '-net nic -net user'\n"
4754 "\n"
4755#ifdef CONFIG_SLIRP
0db1137d 4756 "-tftp dir allow tftp access to files in dir [-net user]\n"
47d5d01a 4757 "-bootp file advertise file in BOOTP replies\n"
7c9d8e07
FB		 4758#ifndef _WIN32
4759 "-smb dir allow SMB access to files in 'dir' [-net user]\n"
c94c8d64 4760#endif
9bf05444 4761 "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
7c9d8e07 4762 " redirect TCP or UDP connections from host to guest [-net user]\n"
c20709aa 4763#endif
a20dd508 4764 "\n"
c4b1fcc0 4765 "Linux boot specific:\n"
a20dd508
FB		 4766 "-kernel bzImage use 'bzImage' as kernel image\n"
4767 "-append cmdline use 'cmdline' as kernel command line\n"
4768 "-initrd file use 'file' as initial ram disk\n"
fc01f7e7 4769 "\n"
330d0414 4770 "Debug/Expert options:\n"
82c643ff
FB		 4771 "-monitor dev redirect the monitor to char device 'dev'\n"
4772 "-serial dev redirect the serial port to char device 'dev'\n"
6508fe59 4773 "-parallel dev redirect the parallel port to char device 'dev'\n"
f7cce898 4774 "-pidfile file Write PID to 'file'\n"
cd6f1169 4775 "-S freeze CPU at startup (use 'c' to start execution)\n"
cfc3475a
PB		 4776 "-s wait gdb connection to port\n"
4777 "-p port set gdb connection port [default=%s]\n"
f193c797 4778 "-d item1,... output log to %s (use -d ? for a list of log items)\n"
46d4767d
FB		 4779 "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
4780 " translation (t=none or lba) (usually qemu can guess them)\n"
87b47350 4781 "-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
d993e026 4782#ifdef USE_KQEMU
6515b203 4783 "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
d993e026
FB		 4784 "-no-kqemu disable KQEMU kernel module usage\n"
4785#endif
7ba1e619
AL		 4786#ifdef CONFIG_KVM
4787 "-enable-kvm enable KVM full virtualization support\n"
4788#endif
bb0c6722 4789#ifdef TARGET_I386
6515b203 4790 "-no-acpi disable ACPI\n"
4d3b6f6e
AZ		 4791#endif
4792#ifdef CONFIG_CURSES
4793 "-curses use a curses/ncurses interface instead of SDL\n"
bb0c6722 4794#endif
d1beab82 4795 "-no-reboot exit instead of rebooting\n"
b2f76161 4796 "-no-shutdown stop before shutdown\n"
a8080006 4797 "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n"
24236869 4798 "-vnc display start a VNC server on display\n"
71e3ceb8
TS		 4799#ifndef _WIN32
4800 "-daemonize daemonize QEMU after initializing\n"
4801#endif
9ae02555 4802 "-option-rom rom load a file, rom, into the option ROM space\n"
66508601
BS		 4803#ifdef TARGET_SPARC
4804 "-prom-env variable=value set OpenBIOS nvram variables\n"
4805#endif
f3dcfada 4806 "-clock force the use of the given methods for timer alarm.\n"
3adda04c 4807 " To see what timers are available use -clock ?\n"
bce61846 4808 "-startdate select initial date of the clock\n"
2e70f6ef 4809 "-icount [N|auto]\n"
dd5d6fe9 4810 " Enable virtual instruction counter with 2^N clock ticks per instruction\n"
0824d6fc 4811 "\n"
82c643ff 4812 "During emulation, the following keys are useful:\n"
032a8c9e
FB		 4813 "ctrl-alt-f toggle full screen\n"
4814 "ctrl-alt-n switch to virtual console 'n'\n"
4815 "ctrl-alt toggle mouse and keyboard grab\n"
82c643ff
FB		 4816 "\n"
4817 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4818 ,
0db63474 4819 "qemu",
a00bad7e 4820 DEFAULT_RAM_SIZE,
7c9d8e07 4821#ifndef _WIN32
a00bad7e 4822 DEFAULT_NETWORK_SCRIPT,
b46a8906 4823 DEFAULT_NETWORK_DOWN_SCRIPT,
7c9d8e07 4824#endif
6e44ba7f 4825 DEFAULT_GDBSTUB_PORT,
bce61846 4826 "/tmp/qemu.log");
15f82208 4827 exit(exitcode);
0824d6fc
FB		 4828}
4829
cd6f1169
FB		 4830#define HAS_ARG 0x0001
4831
4832enum {
4833 QEMU_OPTION_h,
4834
cc1daa40 4835 QEMU_OPTION_M,
94fc95cd 4836 QEMU_OPTION_cpu,
cd6f1169
FB		 4837 QEMU_OPTION_fda,
4838 QEMU_OPTION_fdb,
4839 QEMU_OPTION_hda,
4840 QEMU_OPTION_hdb,
4841 QEMU_OPTION_hdc,
4842 QEMU_OPTION_hdd,
e4bcb14c 4843 QEMU_OPTION_drive,
cd6f1169 4844 QEMU_OPTION_cdrom,
3e3d5815 4845 QEMU_OPTION_mtdblock,
a1bb27b1 4846 QEMU_OPTION_sd,
86f55663 4847 QEMU_OPTION_pflash,
cd6f1169
FB		 4848 QEMU_OPTION_boot,
4849 QEMU_OPTION_snapshot,
52ca8d6a
FB		 4850#ifdef TARGET_I386
4851 QEMU_OPTION_no_fd_bootchk,
4852#endif
cd6f1169
FB		 4853 QEMU_OPTION_m,
4854 QEMU_OPTION_nographic,
a171fe39 4855 QEMU_OPTION_portrait,
1d14ffa9 4856#ifdef HAS_AUDIO
1d14ffa9
FB		 4857 QEMU_OPTION_audio_help,
4858 QEMU_OPTION_soundhw,
4859#endif
cd6f1169 4860
7c9d8e07 4861 QEMU_OPTION_net,
c7f74643 4862 QEMU_OPTION_tftp,
47d5d01a 4863 QEMU_OPTION_bootp,
9d728e8c 4864 QEMU_OPTION_smb,
9bf05444 4865 QEMU_OPTION_redir,
cd6f1169
FB		 4866
4867 QEMU_OPTION_kernel,
4868 QEMU_OPTION_append,
4869 QEMU_OPTION_initrd,
4870
4871 QEMU_OPTION_S,
4872 QEMU_OPTION_s,
4873 QEMU_OPTION_p,
4874 QEMU_OPTION_d,
4875 QEMU_OPTION_hdachs,
4876 QEMU_OPTION_L,
1192dad8 4877 QEMU_OPTION_bios,
3d11d0eb 4878 QEMU_OPTION_k,
ee22c2f7 4879 QEMU_OPTION_localtime,
e9b137c2 4880 QEMU_OPTION_g,
3893c124 4881 QEMU_OPTION_vga,
20d8a3ed 4882 QEMU_OPTION_echr,
82c643ff
FB		 4883 QEMU_OPTION_monitor,
4884 QEMU_OPTION_serial,
6508fe59 4885 QEMU_OPTION_parallel,
d63d307f
FB		 4886 QEMU_OPTION_loadvm,
4887 QEMU_OPTION_full_screen,
43523e93 4888 QEMU_OPTION_no_frame,
3780e197 4889 QEMU_OPTION_alt_grab,
667accab 4890 QEMU_OPTION_no_quit,
f7cce898 4891 QEMU_OPTION_pidfile,
d993e026 4892 QEMU_OPTION_no_kqemu,
89bfc105 4893 QEMU_OPTION_kernel_kqemu,
7ba1e619 4894 QEMU_OPTION_enable_kvm,
a09db21f 4895 QEMU_OPTION_win2k_hack,
bb36d470 4896 QEMU_OPTION_usb,
a594cfbf 4897 QEMU_OPTION_usbdevice,
6a00d601 4898 QEMU_OPTION_smp,
24236869 4899 QEMU_OPTION_vnc,
6515b203 4900 QEMU_OPTION_no_acpi,
4d3b6f6e 4901 QEMU_OPTION_curses,
d1beab82 4902 QEMU_OPTION_no_reboot,
b2f76161 4903 QEMU_OPTION_no_shutdown,
9467cd46 4904 QEMU_OPTION_show_cursor,
71e3ceb8 4905 QEMU_OPTION_daemonize,
9ae02555 4906 QEMU_OPTION_option_rom,
c35734b2
TS		 4907 QEMU_OPTION_semihosting,
4908 QEMU_OPTION_name,
66508601 4909 QEMU_OPTION_prom_env,
2b8f2d41 4910 QEMU_OPTION_old_param,
f3dcfada 4911 QEMU_OPTION_clock,
7e0af5d0 4912 QEMU_OPTION_startdate,
26a5f13b 4913 QEMU_OPTION_tb_size,
2e70f6ef 4914 QEMU_OPTION_icount,
8fcb1b90 4915 QEMU_OPTION_uuid,
5bb7910a 4916 QEMU_OPTION_incoming,
cd6f1169
FB		 4917};
4918
4919typedef struct QEMUOption {
4920 const char *name;
4921 int flags;
4922 int index;
4923} QEMUOption;
4924
dbed7e40 4925static const QEMUOption qemu_options[] = {
cd6f1169 4926 { "h", 0, QEMU_OPTION_h },
64423fb2 4927 { "help", 0, QEMU_OPTION_h },
cd6f1169 4928
cc1daa40 4929 { "M", HAS_ARG, QEMU_OPTION_M },
94fc95cd 4930 { "cpu", HAS_ARG, QEMU_OPTION_cpu },
cd6f1169
FB		 4931 { "fda", HAS_ARG, QEMU_OPTION_fda },
4932 { "fdb", HAS_ARG, QEMU_OPTION_fdb },
4933 { "hda", HAS_ARG, QEMU_OPTION_hda },
4934 { "hdb", HAS_ARG, QEMU_OPTION_hdb },
4935 { "hdc", HAS_ARG, QEMU_OPTION_hdc },
4936 { "hdd", HAS_ARG, QEMU_OPTION_hdd },
e4bcb14c 4937 { "drive", HAS_ARG, QEMU_OPTION_drive },
cd6f1169 4938 { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
3e3d5815 4939 { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock },
a1bb27b1 4940 { "sd", HAS_ARG, QEMU_OPTION_sd },
86f55663 4941 { "pflash", HAS_ARG, QEMU_OPTION_pflash },
cd6f1169
FB		 4942 { "boot", HAS_ARG, QEMU_OPTION_boot },
4943 { "snapshot", 0, QEMU_OPTION_snapshot },
52ca8d6a
FB		 4944#ifdef TARGET_I386
4945 { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
4946#endif
cd6f1169
FB		 4947 { "m", HAS_ARG, QEMU_OPTION_m },
4948 { "nographic", 0, QEMU_OPTION_nographic },
a171fe39 4949 { "portrait", 0, QEMU_OPTION_portrait },
3d11d0eb 4950 { "k", HAS_ARG, QEMU_OPTION_k },
1d14ffa9 4951#ifdef HAS_AUDIO
1d14ffa9
FB		 4952 { "audio-help", 0, QEMU_OPTION_audio_help },
4953 { "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
4954#endif
cd6f1169 4955
7c9d8e07 4956 { "net", HAS_ARG, QEMU_OPTION_net},
158156d1 4957#ifdef CONFIG_SLIRP
c7f74643 4958 { "tftp", HAS_ARG, QEMU_OPTION_tftp },
47d5d01a 4959 { "bootp", HAS_ARG, QEMU_OPTION_bootp },
c94c8d64 4960#ifndef _WIN32
9d728e8c 4961 { "smb", HAS_ARG, QEMU_OPTION_smb },
c94c8d64 4962#endif
9bf05444 4963 { "redir", HAS_ARG, QEMU_OPTION_redir },
158156d1 4964#endif
cd6f1169
FB		 4965
4966 { "kernel", HAS_ARG, QEMU_OPTION_kernel },
4967 { "append", HAS_ARG, QEMU_OPTION_append },
4968 { "initrd", HAS_ARG, QEMU_OPTION_initrd },
4969
4970 { "S", 0, QEMU_OPTION_S },
4971 { "s", 0, QEMU_OPTION_s },
4972 { "p", HAS_ARG, QEMU_OPTION_p },
4973 { "d", HAS_ARG, QEMU_OPTION_d },
4974 { "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
4975 { "L", HAS_ARG, QEMU_OPTION_L },
1192dad8 4976 { "bios", HAS_ARG, QEMU_OPTION_bios },
d993e026
FB		 4977#ifdef USE_KQEMU
4978 { "no-kqemu", 0, QEMU_OPTION_no_kqemu },
89bfc105 4979 { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
d993e026 4980#endif
7ba1e619
AL		 4981#ifdef CONFIG_KVM
4982 { "enable-kvm", 0, QEMU_OPTION_enable_kvm },
4983#endif
6f7e9aec 4984#if defined(TARGET_PPC) || defined(TARGET_SPARC)
e9b137c2 4985 { "g", 1, QEMU_OPTION_g },
77d4bc34 4986#endif
ee22c2f7 4987 { "localtime", 0, QEMU_OPTION_localtime },
3893c124 4988 { "vga", HAS_ARG, QEMU_OPTION_vga },
8b6e0729
AZ		 4989 { "echr", HAS_ARG, QEMU_OPTION_echr },
4990 { "monitor", HAS_ARG, QEMU_OPTION_monitor },
4991 { "serial", HAS_ARG, QEMU_OPTION_serial },
4992 { "parallel", HAS_ARG, QEMU_OPTION_parallel },
d63d307f
FB		 4993 { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
4994 { "full-screen", 0, QEMU_OPTION_full_screen },
667accab 4995#ifdef CONFIG_SDL
43523e93 4996 { "no-frame", 0, QEMU_OPTION_no_frame },
3780e197 4997 { "alt-grab", 0, QEMU_OPTION_alt_grab },
667accab
TS		 4998 { "no-quit", 0, QEMU_OPTION_no_quit },
4999#endif
f7cce898 5000 { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
a09db21f 5001 { "win2k-hack", 0, QEMU_OPTION_win2k_hack },
a594cfbf 5002 { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
6a00d601 5003 { "smp", HAS_ARG, QEMU_OPTION_smp },
24236869 5004 { "vnc", HAS_ARG, QEMU_OPTION_vnc },
4d3b6f6e
AZ		 5005#ifdef CONFIG_CURSES
5006 { "curses", 0, QEMU_OPTION_curses },
5007#endif
8fcb1b90 5008 { "uuid", HAS_ARG, QEMU_OPTION_uuid },
96d30e48 5009
1f04275e 5010 /* temporary options */
a594cfbf 5011 { "usb", 0, QEMU_OPTION_usb },
6515b203 5012 { "no-acpi", 0, QEMU_OPTION_no_acpi },
d1beab82 5013 { "no-reboot", 0, QEMU_OPTION_no_reboot },
b2f76161 5014 { "no-shutdown", 0, QEMU_OPTION_no_shutdown },
9467cd46 5015 { "show-cursor", 0, QEMU_OPTION_show_cursor },
71e3ceb8 5016 { "daemonize", 0, QEMU_OPTION_daemonize },
9ae02555 5017 { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
a87295e8 5018#if defined(TARGET_ARM) || defined(TARGET_M68K)
8e71621f
PB		 5019 { "semihosting", 0, QEMU_OPTION_semihosting },
5020#endif
c35734b2 5021 { "name", HAS_ARG, QEMU_OPTION_name },
66508601
BS		 5022#if defined(TARGET_SPARC)
5023 { "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
2b8f2d41
AZ		 5024#endif
5025#if defined(TARGET_ARM)
5026 { "old-param", 0, QEMU_OPTION_old_param },
66508601 5027#endif
f3dcfada 5028 { "clock", HAS_ARG, QEMU_OPTION_clock },
7e0af5d0 5029 { "startdate", HAS_ARG, QEMU_OPTION_startdate },
26a5f13b 5030 { "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
2e70f6ef 5031 { "icount", HAS_ARG, QEMU_OPTION_icount },
5bb7910a 5032 { "incoming", HAS_ARG, QEMU_OPTION_incoming },
cd6f1169 5033 { NULL },
fc01f7e7
FB		 5034};
5035
5905b2e5
FB		 5036/* password input */
5037
2bac6019
AZ		 5038int qemu_key_check(BlockDriverState *bs, const char *name)
5039{
5040 char password[256];
5041 int i;
5042
5043 if (!bdrv_is_encrypted(bs))
5044 return 0;
5045
5046 term_printf("%s is encrypted.\n", name);
5047 for(i = 0; i < 3; i++) {
5048 monitor_readline("Password: ", 1, password, sizeof(password));
5049 if (bdrv_set_key(bs, password) == 0)
5050 return 0;
5051 term_printf("invalid password\n");
5052 }
5053 return -EPERM;
5054}
5055
83ab7950
AL		 5056static BlockDriverState *get_bdrv(int index)
5057{
5058 if (index > nb_drives)
5059 return NULL;
5060 return drives_table[index].bdrv;
5061}
5062
5905b2e5
FB		 5063static void read_passwords(void)
5064{
5065 BlockDriverState *bs;
2bac6019 5066 int i;
5905b2e5 5067
83ab7950
AL		 5068 for(i = 0; i < 6; i++) {
5069 bs = get_bdrv(i);
5070 if (bs)
5071 qemu_key_check(bs, bdrv_get_device_name(bs));
5905b2e5
FB		 5072 }
5073}
5074
1d14ffa9 5075#ifdef HAS_AUDIO
6a36d84e 5076struct soundhw soundhw[] = {
b00052e4 5077#ifdef HAS_AUDIO_CHOICE
4ce7ff6e 5078#if defined(TARGET_I386) || defined(TARGET_MIPS)
fd06c375
FB		 5079 {
5080 "pcspk",
5081 "PC speaker",
5082 0,
5083 1,
5084 { .init_isa = pcspk_audio_init }
5085 },
5086#endif
6a36d84e
FB		 5087 {
5088 "sb16",
5089 "Creative Sound Blaster 16",
5090 0,
5091 1,
5092 { .init_isa = SB16_init }
5093 },
5094
cc53d26d 5095#ifdef CONFIG_CS4231A
5096 {
5097 "cs4231a",
5098 "CS4231A",
5099 0,
5100 1,
5101 { .init_isa = cs4231a_init }
5102 },
5103#endif
5104
1d14ffa9 5105#ifdef CONFIG_ADLIB
6a36d84e
FB		 5106 {
5107 "adlib",
1d14ffa9 5108#ifdef HAS_YMF262
6a36d84e 5109 "Yamaha YMF262 (OPL3)",
1d14ffa9 5110#else
6a36d84e 5111 "Yamaha YM3812 (OPL2)",
1d14ffa9 5112#endif
6a36d84e
FB		 5113 0,
5114 1,
5115 { .init_isa = Adlib_init }
5116 },
1d14ffa9 5117#endif
6a36d84e 5118
1d14ffa9 5119#ifdef CONFIG_GUS
6a36d84e
FB		 5120 {
5121 "gus",
5122 "Gravis Ultrasound GF1",
5123 0,
5124 1,
5125 { .init_isa = GUS_init }
5126 },
1d14ffa9 5127#endif
6a36d84e 5128
e5c9a13e
AZ		 5129#ifdef CONFIG_AC97
5130 {
5131 "ac97",
5132 "Intel 82801AA AC97 Audio",
5133 0,
5134 0,
5135 { .init_pci = ac97_init }
5136 },
5137#endif
5138
6a36d84e
FB		 5139 {
5140 "es1370",
5141 "ENSONIQ AudioPCI ES1370",
5142 0,
5143 0,
5144 { .init_pci = es1370_init }
5145 },
b00052e4 5146#endif
6a36d84e
FB		 5147
5148 { NULL, NULL, 0, 0, { NULL } }
5149};
5150
5151static void select_soundhw (const char *optarg)
5152{
5153 struct soundhw *c;
5154
5155 if (*optarg == '?') {
5156 show_valid_cards:
5157
5158 printf ("Valid sound card names (comma separated):\n");
5159 for (c = soundhw; c->name; ++c) {
5160 printf ("%-11s %s\n", c->name, c->descr);
5161 }
5162 printf ("\n-soundhw all will enable all of the above\n");
1d14ffa9
FB		 5163 exit (*optarg != '?');
5164 }
5165 else {
6a36d84e 5166 size_t l;
1d14ffa9
FB		 5167 const char *p;
5168 char *e;
5169 int bad_card = 0;
5170
6a36d84e
FB		 5171 if (!strcmp (optarg, "all")) {
5172 for (c = soundhw; c->name; ++c) {
5173 c->enabled = 1;
5174 }
5175 return;
5176 }
1d14ffa9 5177
6a36d84e 5178 p = optarg;
1d14ffa9
FB		 5179 while (*p) {
5180 e = strchr (p, ',');
5181 l = !e ? strlen (p) : (size_t) (e - p);
6a36d84e
FB		 5182
5183 for (c = soundhw; c->name; ++c) {
5184 if (!strncmp (c->name, p, l)) {
5185 c->enabled = 1;
1d14ffa9
FB		 5186 break;
5187 }
5188 }
6a36d84e
FB		 5189
5190 if (!c->name) {
1d14ffa9
FB		 5191 if (l > 80) {
5192 fprintf (stderr,
5193 "Unknown sound card name (too big to show)\n");
5194 }
5195 else {
5196 fprintf (stderr, "Unknown sound card name `%.*s'\n",
5197 (int) l, p);
5198 }
5199 bad_card = 1;
5200 }
5201 p += l + (e != NULL);
5202 }
5203
5204 if (bad_card)
5205 goto show_valid_cards;
5206 }
5207}
5208#endif
5209
3893c124 5210static void select_vgahw (const char *p)
5211{
5212 const char *opts;
5213
5214 if (strstart(p, "std", &opts)) {
5215 cirrus_vga_enabled = 0;
5216 vmsvga_enabled = 0;
5217 } else if (strstart(p, "cirrus", &opts)) {
5218 cirrus_vga_enabled = 1;
5219 vmsvga_enabled = 0;
5220 } else if (strstart(p, "vmware", &opts)) {
5221 cirrus_vga_enabled = 0;
5222 vmsvga_enabled = 1;
5223 } else {
5224 invalid_vga:
5225 fprintf(stderr, "Unknown vga type: %s\n", p);
5226 exit(1);
5227 }
cb5a7aa8 5228 while (*opts) {
5229 const char *nextopt;
5230
5231 if (strstart(opts, ",retrace=", &nextopt)) {
5232 opts = nextopt;
5233 if (strstart(opts, "dumb", &nextopt))
5234 vga_retrace_method = VGA_RETRACE_DUMB;
5235 else if (strstart(opts, "precise", &nextopt))
5236 vga_retrace_method = VGA_RETRACE_PRECISE;
5237 else goto invalid_vga;
5238 } else goto invalid_vga;
5239 opts = nextopt;
5240 }
3893c124 5241}
5242
3587d7e6
FB		 5243#ifdef _WIN32
5244static BOOL WINAPI qemu_ctrl_handler(DWORD type)
5245{
5246 exit(STATUS_CONTROL_C_EXIT);
5247 return TRUE;
5248}
5249#endif
5250
8fcb1b90
BS		 5251static int qemu_uuid_parse(const char *str, uint8_t *uuid)
5252{
5253 int ret;
5254
5255 if(strlen(str) != 36)
5256 return -1;
5257
5258 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
5259 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
5260 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
5261
5262 if(ret != 16)
5263 return -1;
5264
5265 return 0;
5266}
5267
7c9d8e07 5268#define MAX_NET_CLIENTS 32
c20709aa 5269
5b08fc10
AL		 5270#ifndef _WIN32
5271
5272static void termsig_handler(int signal)
5273{
5274 qemu_system_shutdown_request();
5275}
5276
6f9e3801 5277static void termsig_setup(void)
5b08fc10
AL		 5278{
5279 struct sigaction act;
5280
5281 memset(&act, 0, sizeof(act));
5282 act.sa_handler = termsig_handler;
5283 sigaction(SIGINT, &act, NULL);
5284 sigaction(SIGHUP, &act, NULL);
5285 sigaction(SIGTERM, &act, NULL);
5286}
5287
5288#endif
5289
0824d6fc
FB		 5290int main(int argc, char **argv)
5291{
67b915a5 5292#ifdef CONFIG_GDBSTUB
cfc3475a
PB		 5293 int use_gdbstub;
5294 const char *gdbstub_port;
67b915a5 5295#endif
28c5af54 5296 uint32_t boot_devices_bitmap = 0;
e4bcb14c 5297 int i;
28c5af54 5298 int snapshot, linux_boot, net_boot;
7f7f9873 5299 const char *initrd_filename;
a20dd508 5300 const char *kernel_filename, *kernel_cmdline;
28c5af54 5301 const char *boot_devices = "";
313aa567 5302 DisplayState *ds = &display_state;
46d4767d 5303 int cyls, heads, secs, translation;
fd5f393a 5304 const char *net_clients[MAX_NET_CLIENTS];
7c9d8e07 5305 int nb_net_clients;
e4bcb14c 5306 int hda_index;
cd6f1169
FB		 5307 int optind;
5308 const char *r, *optarg;
82c643ff 5309 CharDriverState *monitor_hd;
fd5f393a
PB		 5310 const char *monitor_device;
5311 const char *serial_devices[MAX_SERIAL_PORTS];
8d11df9e 5312 int serial_device_index;
fd5f393a 5313 const char *parallel_devices[MAX_PARALLEL_PORTS];
6508fe59 5314 int parallel_device_index;
d63d307f 5315 const char *loadvm = NULL;
cc1daa40 5316 QEMUMachine *machine;
94fc95cd 5317 const char *cpu_model;
fd5f393a 5318 const char *usb_devices[MAX_USB_CMDLINE];
a594cfbf 5319 int usb_devices_index;
71e3ceb8 5320 int fds[2];
26a5f13b 5321 int tb_size;
93815bc2 5322 const char *pid_file = NULL;
41bd639b 5323 int autostart;
5bb7910a 5324 const char *incoming = NULL;
0bd48850
FB		 5325
5326 LIST_INIT (&vm_change_state_head);
be995c27
FB		 5327#ifndef _WIN32
5328 {
5329 struct sigaction act;
5330 sigfillset(&act.sa_mask);
5331 act.sa_flags = 0;
5332 act.sa_handler = SIG_IGN;
5333 sigaction(SIGPIPE, &act, NULL);
5334 }
3587d7e6
FB		 5335#else
5336 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
a8e5ac33
FB		 5337 /* Note: cpu_interrupt() is currently not SMP safe, so we force
5338 QEMU to run on a single CPU */
5339 {
5340 HANDLE h;
5341 DWORD mask, smask;
5342 int i;
5343 h = GetCurrentProcess();
5344 if (GetProcessAffinityMask(h, &mask, &smask)) {
5345 for(i = 0; i < 32; i++) {
5346 if (mask & (1 << i))
5347 break;
5348 }
5349 if (i != 32) {
5350 mask = 1 << i;
5351 SetProcessAffinityMask(h, mask);
5352 }
5353 }
5354 }
67b915a5 5355#endif
be995c27 5356
cc1daa40
FB		 5357 register_machines();
5358 machine = first_machine;
94fc95cd 5359 cpu_model = NULL;
fc01f7e7 5360 initrd_filename = NULL;
4fc5d071 5361 ram_size = 0;
313aa567 5362 vga_ram_size = VGA_RAM_SIZE;
67b915a5 5363#ifdef CONFIG_GDBSTUB
b4608c04 5364 use_gdbstub = 0;
c636bb66 5365 gdbstub_port = DEFAULT_GDBSTUB_PORT;
67b915a5 5366#endif
33e3963e 5367 snapshot = 0;
a20dd508 5368 nographic = 0;
4d3b6f6e 5369 curses = 0;
a20dd508
FB		 5370 kernel_filename = NULL;
5371 kernel_cmdline = "";
c4b1fcc0 5372 cyls = heads = secs = 0;
46d4767d 5373 translation = BIOS_ATA_TRANSLATION_AUTO;
c60e08d9 5374 monitor_device = "vc";
c4b1fcc0 5375
c75a823c 5376 serial_devices[0] = "vc:80Cx24C";
8d11df9e 5377 for(i = 1; i < MAX_SERIAL_PORTS; i++)
fd5f393a 5378 serial_devices[i] = NULL;
8d11df9e 5379 serial_device_index = 0;
3b46e624 5380
c75a823c 5381 parallel_devices[0] = "vc:640x480";
6508fe59 5382 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
fd5f393a 5383 parallel_devices[i] = NULL;
6508fe59 5384 parallel_device_index = 0;
3b46e624 5385
a594cfbf 5386 usb_devices_index = 0;
3b46e624 5387
7c9d8e07 5388 nb_net_clients = 0;
e4bcb14c
TS		 5389 nb_drives = 0;
5390 nb_drives_opt = 0;
5391 hda_index = -1;
7c9d8e07
FB		 5392
5393 nb_nics = 0;
3b46e624 5394
26a5f13b 5395 tb_size = 0;
41bd639b
BS		 5396 autostart= 1;
5397
cd6f1169 5398 optind = 1;
0824d6fc 5399 for(;;) {
cd6f1169 5400 if (optind >= argc)
0824d6fc 5401 break;
cd6f1169
FB		 5402 r = argv[optind];
5403 if (r[0] != '-') {
609497ab 5404 hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
cd6f1169
FB		 5405 } else {
5406 const QEMUOption *popt;
5407
5408 optind++;
dff5efc8
PB		 5409 /* Treat --foo the same as -foo. */
5410 if (r[1] == '-')
5411 r++;
cd6f1169
FB		 5412 popt = qemu_options;
5413 for(;;) {
5414 if (!popt->name) {
5fafdf24 5415 fprintf(stderr, "%s: invalid option -- '%s'\n",
cd6f1169
FB		 5416 argv[0], r);
5417 exit(1);
5418 }
5419 if (!strcmp(popt->name, r + 1))
5420 break;
5421 popt++;
5422 }
5423 if (popt->flags & HAS_ARG) {
5424 if (optind >= argc) {
5425 fprintf(stderr, "%s: option '%s' requires an argument\n",
5426 argv[0], r);
5427 exit(1);
5428 }
5429 optarg = argv[optind++];
5430 } else {
5431 optarg = NULL;
5432 }
5433
5434 switch(popt->index) {
cc1daa40
FB		 5435 case QEMU_OPTION_M:
5436 machine = find_machine(optarg);
5437 if (!machine) {
5438 QEMUMachine *m;
5439 printf("Supported machines are:\n");
5440 for(m = first_machine; m != NULL; m = m->next) {
5441 printf("%-10s %s%s\n",
5fafdf24 5442 m->name, m->desc,
cc1daa40
FB		 5443 m == first_machine ? " (default)" : "");
5444 }
15f82208 5445 exit(*optarg != '?');
cc1daa40
FB		 5446 }
5447 break;
94fc95cd
JM		 5448 case QEMU_OPTION_cpu:
5449 /* hw initialization will check this */
15f82208 5450 if (*optarg == '?') {
c732abe2
JM		 5451/* XXX: implement xxx_cpu_list for targets that still miss it */
5452#if defined(cpu_list)
5453 cpu_list(stdout, &fprintf);
94fc95cd 5454#endif
15f82208 5455 exit(0);
94fc95cd
JM		 5456 } else {
5457 cpu_model = optarg;
5458 }
5459 break;
cd6f1169 5460 case QEMU_OPTION_initrd:
fc01f7e7
FB		 5461 initrd_filename = optarg;
5462 break;
cd6f1169 5463 case QEMU_OPTION_hda:
e4bcb14c 5464 if (cyls == 0)
609497ab 5465 hda_index = drive_add(optarg, HD_ALIAS, 0);
e4bcb14c 5466 else
609497ab 5467 hda_index = drive_add(optarg, HD_ALIAS
e4bcb14c 5468 ",cyls=%d,heads=%d,secs=%d%s",
609497ab 5469 0, cyls, heads, secs,
e4bcb14c
TS		 5470 translation == BIOS_ATA_TRANSLATION_LBA ?
5471 ",trans=lba" :
5472 translation == BIOS_ATA_TRANSLATION_NONE ?
5473 ",trans=none" : "");
5474 break;
cd6f1169 5475 case QEMU_OPTION_hdb:
cc1daa40
FB		 5476 case QEMU_OPTION_hdc:
5477 case QEMU_OPTION_hdd:
609497ab 5478 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
fc01f7e7 5479 break;
e4bcb14c 5480 case QEMU_OPTION_drive:
609497ab 5481 drive_add(NULL, "%s", optarg);
e4bcb14c 5482 break;
3e3d5815 5483 case QEMU_OPTION_mtdblock:
609497ab 5484 drive_add(optarg, MTD_ALIAS);
3e3d5815 5485 break;
a1bb27b1 5486 case QEMU_OPTION_sd:
609497ab 5487 drive_add(optarg, SD_ALIAS);
a1bb27b1 5488 break;
86f55663 5489 case QEMU_OPTION_pflash:
609497ab 5490 drive_add(optarg, PFLASH_ALIAS);
86f55663 5491 break;
cd6f1169 5492 case QEMU_OPTION_snapshot:
33e3963e
FB		 5493 snapshot = 1;
5494 break;
cd6f1169 5495 case QEMU_OPTION_hdachs:
330d0414 5496 {
330d0414
FB		 5497 const char *p;
5498 p = optarg;
5499 cyls = strtol(p, (char **)&p, 0);
46d4767d
FB		 5500 if (cyls < 1 || cyls > 16383)
5501 goto chs_fail;
330d0414
FB		 5502 if (*p != ',')
5503 goto chs_fail;
5504 p++;
5505 heads = strtol(p, (char **)&p, 0);
46d4767d
FB		 5506 if (heads < 1 || heads > 16)
5507 goto chs_fail;
330d0414
FB		 5508 if (*p != ',')
5509 goto chs_fail;
5510 p++;
5511 secs = strtol(p, (char **)&p, 0);
46d4767d
FB		 5512 if (secs < 1 || secs > 63)
5513 goto chs_fail;
5514 if (*p == ',') {
5515 p++;
5516 if (!strcmp(p, "none"))
5517 translation = BIOS_ATA_TRANSLATION_NONE;
5518 else if (!strcmp(p, "lba"))
5519 translation = BIOS_ATA_TRANSLATION_LBA;
5520 else if (!strcmp(p, "auto"))
5521 translation = BIOS_ATA_TRANSLATION_AUTO;
5522 else
5523 goto chs_fail;
5524 } else if (*p != '\0') {
c4b1fcc0 5525 chs_fail:
46d4767d
FB		 5526 fprintf(stderr, "qemu: invalid physical CHS format\n");
5527 exit(1);
c4b1fcc0 5528 }
e4bcb14c 5529 if (hda_index != -1)
609497ab
AZ		 5530 snprintf(drives_opt[hda_index].opt,
5531 sizeof(drives_opt[hda_index].opt),
5532 HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
5533 0, cyls, heads, secs,
e4bcb14c
TS		 5534 translation == BIOS_ATA_TRANSLATION_LBA ?
5535 ",trans=lba" :
5536 translation == BIOS_ATA_TRANSLATION_NONE ?
5537 ",trans=none" : "");
330d0414
FB		 5538 }
5539 break;
cd6f1169 5540 case QEMU_OPTION_nographic:
a20dd508
FB		 5541 nographic = 1;
5542 break;
4d3b6f6e
AZ		 5543#ifdef CONFIG_CURSES
5544 case QEMU_OPTION_curses:
5545 curses = 1;
5546 break;
5547#endif
a171fe39
AZ		 5548 case QEMU_OPTION_portrait:
5549 graphic_rotate = 1;
5550 break;
cd6f1169 5551 case QEMU_OPTION_kernel:
a20dd508
FB		 5552 kernel_filename = optarg;
5553 break;
cd6f1169 5554 case QEMU_OPTION_append:
a20dd508 5555 kernel_cmdline = optarg;
313aa567 5556 break;
cd6f1169 5557 case QEMU_OPTION_cdrom:
609497ab 5558 drive_add(optarg, CDROM_ALIAS);
36b486bb 5559 break;
cd6f1169 5560 case QEMU_OPTION_boot:
28c5af54
JM		 5561 boot_devices = optarg;
5562 /* We just do some generic consistency checks */
5563 {
5564 /* Could easily be extended to 64 devices if needed */
60fe76f3 5565 const char *p;
28c5af54
JM		 5566
5567 boot_devices_bitmap = 0;
5568 for (p = boot_devices; *p != '\0'; p++) {
5569 /* Allowed boot devices are:
5570 * a b : floppy disk drives
5571 * c ... f : IDE disk drives
5572 * g ... m : machine implementation dependant drives
5573 * n ... p : network devices
5574 * It's up to each machine implementation to check
5575 * if the given boot devices match the actual hardware
5576 * implementation and firmware features.
5577 */
5578 if (*p < 'a' || *p > 'q') {
5579 fprintf(stderr, "Invalid boot device '%c'\n", *p);
5580 exit(1);
5581 }
5582 if (boot_devices_bitmap & (1 << (*p - 'a'))) {
5583 fprintf(stderr,
5584 "Boot device '%c' was given twice\n",*p);
5585 exit(1);
5586 }
5587 boot_devices_bitmap |= 1 << (*p - 'a');
5588 }
36b486bb
FB		 5589 }
5590 break;
cd6f1169 5591 case QEMU_OPTION_fda:
cd6f1169 5592 case QEMU_OPTION_fdb:
609497ab 5593 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
c45886db 5594 break;
52ca8d6a
FB		 5595#ifdef TARGET_I386
5596 case QEMU_OPTION_no_fd_bootchk:
5597 fd_bootchk = 0;
5598 break;
5599#endif
7c9d8e07
FB		 5600 case QEMU_OPTION_net:
5601 if (nb_net_clients >= MAX_NET_CLIENTS) {
5602 fprintf(stderr, "qemu: too many network clients\n");
c4b1fcc0
FB		 5603 exit(1);
5604 }
fd5f393a 5605 net_clients[nb_net_clients] = optarg;
7c9d8e07 5606 nb_net_clients++;
702c651c 5607 break;
c7f74643
FB		 5608#ifdef CONFIG_SLIRP
5609 case QEMU_OPTION_tftp:
c7f74643 5610 tftp_prefix = optarg;
9bf05444 5611 break;
47d5d01a
TS		 5612 case QEMU_OPTION_bootp:
5613 bootp_filename = optarg;
5614 break;
c94c8d64 5615#ifndef _WIN32
9d728e8c
FB		 5616 case QEMU_OPTION_smb:
5617 net_slirp_smb(optarg);
5618 break;
c94c8d64 5619#endif
9bf05444 5620 case QEMU_OPTION_redir:
3b46e624 5621 net_slirp_redir(optarg);
9bf05444 5622 break;
c7f74643 5623#endif
1d14ffa9 5624#ifdef HAS_AUDIO
1d14ffa9
FB		 5625 case QEMU_OPTION_audio_help:
5626 AUD_help ();
5627 exit (0);
5628 break;
5629 case QEMU_OPTION_soundhw:
5630 select_soundhw (optarg);
5631 break;
5632#endif
cd6f1169 5633 case QEMU_OPTION_h:
15f82208 5634 help(0);
cd6f1169 5635 break;
00f82b8a
AJ		 5636 case QEMU_OPTION_m: {
5637 uint64_t value;
5638 char *ptr;
5639
5640 value = strtoul(optarg, &ptr, 10);
5641 switch (*ptr) {
5642 case 0: case 'M': case 'm':
5643 value <<= 20;
5644 break;
5645 case 'G': case 'g':
5646 value <<= 30;
5647 break;
5648 default:
5649 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
cd6f1169
FB		 5650 exit(1);
5651 }
00f82b8a
AJ		 5652
5653 /* On 32-bit hosts, QEMU is limited by virtual address space */
5654 if (value > (2047 << 20)
5655#ifndef USE_KQEMU
5656 && HOST_LONG_BITS == 32
5657#endif
5658 ) {
5659 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
5660 exit(1);
5661 }
5662 if (value != (uint64_t)(ram_addr_t)value) {
5663 fprintf(stderr, "qemu: ram size too large\n");
5664 exit(1);
5665 }
5666 ram_size = value;
cd6f1169 5667 break;
00f82b8a 5668 }
cd6f1169
FB		 5669 case QEMU_OPTION_d:
5670 {
5671 int mask;
c7cd6a37 5672 const CPULogItem *item;
3b46e624 5673
cd6f1169
FB		 5674 mask = cpu_str_to_log_mask(optarg);
5675 if (!mask) {
5676 printf("Log items (comma separated):\n");
f193c797
FB		 5677 for(item = cpu_log_items; item->mask != 0; item++) {
5678 printf("%-10s %s\n", item->name, item->help);
5679 }
5680 exit(1);
cd6f1169
FB		 5681 }
5682 cpu_set_log(mask);
f193c797 5683 }
cd6f1169 5684 break;
67b915a5 5685#ifdef CONFIG_GDBSTUB
cd6f1169
FB		 5686 case QEMU_OPTION_s:
5687 use_gdbstub = 1;
5688 break;
5689 case QEMU_OPTION_p:
cfc3475a 5690 gdbstub_port = optarg;
cd6f1169 5691 break;
67b915a5 5692#endif
cd6f1169
FB		 5693 case QEMU_OPTION_L:
5694 bios_dir = optarg;
5695 break;
1192dad8
JM		 5696 case QEMU_OPTION_bios:
5697 bios_name = optarg;
5698 break;
cd6f1169 5699 case QEMU_OPTION_S:
3c07f8e8 5700 autostart = 0;
cd6f1169 5701 break;
3d11d0eb
FB		 5702 case QEMU_OPTION_k:
5703 keyboard_layout = optarg;
5704 break;
ee22c2f7
FB		 5705 case QEMU_OPTION_localtime:
5706 rtc_utc = 0;
5707 break;
3893c124 5708 case QEMU_OPTION_vga:
5709 select_vgahw (optarg);
1bfe856e 5710 break;
e9b137c2
FB		 5711 case QEMU_OPTION_g:
5712 {
5713 const char *p;
5714 int w, h, depth;
5715 p = optarg;
5716 w = strtol(p, (char **)&p, 10);
5717 if (w <= 0) {
5718 graphic_error:
5719 fprintf(stderr, "qemu: invalid resolution or depth\n");
5720 exit(1);
5721 }
5722 if (*p != 'x')
5723 goto graphic_error;
5724 p++;
5725 h = strtol(p, (char **)&p, 10);
5726 if (h <= 0)
5727 goto graphic_error;
5728 if (*p == 'x') {
5729 p++;
5730 depth = strtol(p, (char **)&p, 10);
5fafdf24 5731 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB		 5732 depth != 24 && depth != 32)
5733 goto graphic_error;
5734 } else if (*p == '\0') {
5735 depth = graphic_depth;
5736 } else {
5737 goto graphic_error;
5738 }
3b46e624 5739
e9b137c2
FB		 5740 graphic_width = w;
5741 graphic_height = h;
5742 graphic_depth = depth;
5743 }
5744 break;
20d8a3ed
TS		 5745 case QEMU_OPTION_echr:
5746 {
5747 char *r;
5748 term_escape_char = strtol(optarg, &r, 0);
5749 if (r == optarg)
5750 printf("Bad argument to echr\n");
5751 break;
5752 }
82c643ff 5753 case QEMU_OPTION_monitor:
fd5f393a 5754 monitor_device = optarg;
82c643ff
FB		 5755 break;
5756 case QEMU_OPTION_serial:
8d11df9e
FB		 5757 if (serial_device_index >= MAX_SERIAL_PORTS) {
5758 fprintf(stderr, "qemu: too many serial ports\n");
5759 exit(1);
5760 }
fd5f393a 5761 serial_devices[serial_device_index] = optarg;
8d11df9e 5762 serial_device_index++;
82c643ff 5763 break;
6508fe59
FB		 5764 case QEMU_OPTION_parallel:
5765 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
5766 fprintf(stderr, "qemu: too many parallel ports\n");
5767 exit(1);
5768 }
fd5f393a 5769 parallel_devices[parallel_device_index] = optarg;
6508fe59
FB		 5770 parallel_device_index++;
5771 break;
d63d307f
FB		 5772 case QEMU_OPTION_loadvm:
5773 loadvm = optarg;
5774 break;
5775 case QEMU_OPTION_full_screen:
5776 full_screen = 1;
5777 break;
667accab 5778#ifdef CONFIG_SDL
43523e93
TS		 5779 case QEMU_OPTION_no_frame:
5780 no_frame = 1;
5781 break;
3780e197
TS		 5782 case QEMU_OPTION_alt_grab:
5783 alt_grab = 1;
5784 break;
667accab
TS		 5785 case QEMU_OPTION_no_quit:
5786 no_quit = 1;
5787 break;
5788#endif
f7cce898 5789 case QEMU_OPTION_pidfile:
93815bc2 5790 pid_file = optarg;
f7cce898 5791 break;
a09db21f
FB		 5792#ifdef TARGET_I386
5793 case QEMU_OPTION_win2k_hack:
5794 win2k_install_hack = 1;
5795 break;
5796#endif
d993e026
FB		 5797#ifdef USE_KQEMU
5798 case QEMU_OPTION_no_kqemu:
5799 kqemu_allowed = 0;
5800 break;
89bfc105
FB		 5801 case QEMU_OPTION_kernel_kqemu:
5802 kqemu_allowed = 2;
5803 break;
7ba1e619
AL		 5804#endif
5805#ifdef CONFIG_KVM
5806 case QEMU_OPTION_enable_kvm:
5807 kvm_allowed = 1;
5808#ifdef USE_KQEMU
5809 kqemu_allowed = 0;
5810#endif
5811 break;
d993e026 5812#endif
bb36d470
FB		 5813 case QEMU_OPTION_usb:
5814 usb_enabled = 1;
5815 break;
a594cfbf
FB		 5816 case QEMU_OPTION_usbdevice:
5817 usb_enabled = 1;
0d92ed30 5818 if (usb_devices_index >= MAX_USB_CMDLINE) {
a594cfbf
FB		 5819 fprintf(stderr, "Too many USB devices\n");
5820 exit(1);
5821 }
fd5f393a 5822 usb_devices[usb_devices_index] = optarg;
a594cfbf
FB		 5823 usb_devices_index++;
5824 break;
6a00d601
FB		 5825 case QEMU_OPTION_smp:
5826 smp_cpus = atoi(optarg);
b2097003 5827 if (smp_cpus < 1) {
6a00d601
FB		 5828 fprintf(stderr, "Invalid number of CPUs\n");
5829 exit(1);
5830 }
5831 break;
24236869 5832 case QEMU_OPTION_vnc:
73fc9742 5833 vnc_display = optarg;
24236869 5834 break;
6515b203
FB		 5835 case QEMU_OPTION_no_acpi:
5836 acpi_enabled = 0;
5837 break;
d1beab82
FB		 5838 case QEMU_OPTION_no_reboot:
5839 no_reboot = 1;
5840 break;
b2f76161
AJ		 5841 case QEMU_OPTION_no_shutdown:
5842 no_shutdown = 1;
5843 break;
9467cd46
AZ		 5844 case QEMU_OPTION_show_cursor:
5845 cursor_hide = 0;
5846 break;
8fcb1b90
BS		 5847 case QEMU_OPTION_uuid:
5848 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
5849 fprintf(stderr, "Fail to parse UUID string."
5850 " Wrong format.\n");
5851 exit(1);
5852 }
5853 break;
71e3ceb8
TS		 5854 case QEMU_OPTION_daemonize:
5855 daemonize = 1;
5856 break;
9ae02555
TS		 5857 case QEMU_OPTION_option_rom:
5858 if (nb_option_roms >= MAX_OPTION_ROMS) {
5859 fprintf(stderr, "Too many option ROMs\n");
5860 exit(1);
5861 }
5862 option_rom[nb_option_roms] = optarg;
5863 nb_option_roms++;
5864 break;
8e71621f
PB		 5865 case QEMU_OPTION_semihosting:
5866 semihosting_enabled = 1;
5867 break;
c35734b2
TS		 5868 case QEMU_OPTION_name:
5869 qemu_name = optarg;
5870 break;
66508601
BS		 5871#ifdef TARGET_SPARC
5872 case QEMU_OPTION_prom_env:
5873 if (nb_prom_envs >= MAX_PROM_ENVS) {
5874 fprintf(stderr, "Too many prom variables\n");
5875 exit(1);
5876 }
5877 prom_envs[nb_prom_envs] = optarg;
5878 nb_prom_envs++;
5879 break;
2b8f2d41
AZ		 5880#endif
5881#ifdef TARGET_ARM
5882 case QEMU_OPTION_old_param:
5883 old_param = 1;
05ebd537 5884 break;
66508601 5885#endif
f3dcfada
TS		 5886 case QEMU_OPTION_clock:
5887 configure_alarms(optarg);
5888 break;
7e0af5d0
FB		 5889 case QEMU_OPTION_startdate:
5890 {
5891 struct tm tm;
f6503059 5892 time_t rtc_start_date;
7e0af5d0 5893 if (!strcmp(optarg, "now")) {
f6503059 5894 rtc_date_offset = -1;
7e0af5d0
FB		 5895 } else {
5896 if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
5897 &tm.tm_year,
5898 &tm.tm_mon,
5899 &tm.tm_mday,
5900 &tm.tm_hour,
5901 &tm.tm_min,
5902 &tm.tm_sec) == 6) {
5903 /* OK */
5904 } else if (sscanf(optarg, "%d-%d-%d",
5905 &tm.tm_year,
5906 &tm.tm_mon,
5907 &tm.tm_mday) == 3) {
5908 tm.tm_hour = 0;
5909 tm.tm_min = 0;
5910 tm.tm_sec = 0;
5911 } else {
5912 goto date_fail;
5913 }
5914 tm.tm_year -= 1900;
5915 tm.tm_mon--;
3c6b2088 5916 rtc_start_date = mktimegm(&tm);
7e0af5d0
FB		 5917 if (rtc_start_date == -1) {
5918 date_fail:
5919 fprintf(stderr, "Invalid date format. Valid format are:\n"
5920 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5921 exit(1);
5922 }
f6503059 5923 rtc_date_offset = time(NULL) - rtc_start_date;
7e0af5d0
FB		 5924 }
5925 }
5926 break;
26a5f13b
FB		 5927 case QEMU_OPTION_tb_size:
5928 tb_size = strtol(optarg, NULL, 0);
5929 if (tb_size < 0)
5930 tb_size = 0;
5931 break;
2e70f6ef
PB		 5932 case QEMU_OPTION_icount:
5933 use_icount = 1;
5934 if (strcmp(optarg, "auto") == 0) {
5935 icount_time_shift = -1;
5936 } else {
5937 icount_time_shift = strtol(optarg, NULL, 0);
5938 }
5939 break;
5bb7910a
AL		 5940 case QEMU_OPTION_incoming:
5941 incoming = optarg;
5942 break;
cd6f1169 5943 }
0824d6fc
FB		 5944 }
5945 }
330d0414 5946
7ba1e619
AL		 5947#if defined(CONFIG_KVM) && defined(USE_KQEMU)
5948 if (kvm_allowed && kqemu_allowed) {
5949 fprintf(stderr,
5950 "You can not enable both KVM and kqemu at the same time\n");
5951 exit(1);
5952 }
5953#endif
5954
3d878caa 5955 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
b2097003
AL		 5956 if (smp_cpus > machine->max_cpus) {
5957 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
5958 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
5959 machine->max_cpus);
5960 exit(1);
5961 }
5962
bc0129d9
AL		 5963 if (nographic) {
5964 if (serial_device_index == 0)
5965 serial_devices[0] = "stdio";
5966 if (parallel_device_index == 0)
5967 parallel_devices[0] = "null";
5968 if (strncmp(monitor_device, "vc", 2) == 0)
5969 monitor_device = "stdio";
5970 }
5971
71e3ceb8 5972#ifndef _WIN32
71e3ceb8
TS		 5973 if (daemonize) {
5974 pid_t pid;
5975
5976 if (pipe(fds) == -1)
5977 exit(1);
5978
5979 pid = fork();
5980 if (pid > 0) {
5981 uint8_t status;
5982 ssize_t len;
5983
5984 close(fds[1]);
5985
5986 again:
93815bc2
TS		 5987 len = read(fds[0], &status, 1);
5988 if (len == -1 && (errno == EINTR))
5989 goto again;
5990
5991 if (len != 1)
5992 exit(1);
5993 else if (status == 1) {
5994 fprintf(stderr, "Could not acquire pidfile\n");
5995 exit(1);
5996 } else
5997 exit(0);
71e3ceb8 5998 } else if (pid < 0)
93815bc2 5999 exit(1);
71e3ceb8
TS		 6000
6001 setsid();
6002
6003 pid = fork();
6004 if (pid > 0)
6005 exit(0);
6006 else if (pid < 0)
6007 exit(1);
6008
6009 umask(027);
71e3ceb8
TS		 6010
6011 signal(SIGTSTP, SIG_IGN);
6012 signal(SIGTTOU, SIG_IGN);
6013 signal(SIGTTIN, SIG_IGN);
6014 }
6015#endif
6016
aa26bb2d 6017 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
93815bc2
TS		 6018 if (daemonize) {
6019 uint8_t status = 1;
6020 write(fds[1], &status, 1);
6021 } else
6022 fprintf(stderr, "Could not acquire pid file\n");
6023 exit(1);
6024 }
6025
ff3fbb30
FB		 6026#ifdef USE_KQEMU
6027 if (smp_cpus > 1)
6028 kqemu_allowed = 0;
6029#endif
a20dd508 6030 linux_boot = (kernel_filename != NULL);
7317b8ca 6031 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
6c41b272 6032
28c5af54 6033 if (!linux_boot && net_boot == 0 &&
f88e4b91 6034 !machine->nodisk_ok && nb_drives_opt == 0)
15f82208 6035 help(1);
0824d6fc 6036
f8d39c01
TS		 6037 if (!linux_boot && *kernel_cmdline != '\0') {
6038 fprintf(stderr, "-append only allowed with -kernel option\n");
6039 exit(1);
6040 }
6041
6042 if (!linux_boot && initrd_filename != NULL) {
6043 fprintf(stderr, "-initrd only allowed with -kernel option\n");
6044 exit(1);
6045 }
6046
96d30e48 6047 /* boot to floppy or the default cd if no hard disk defined yet */
28c5af54 6048 if (!boot_devices[0]) {
e4bcb14c 6049 boot_devices = "cad";
96d30e48 6050 }
b118d61e 6051 setvbuf(stdout, NULL, _IOLBF, 0);
3b46e624 6052
634fce96
PB		 6053 init_timers();
6054 init_timer_alarm();
2e70f6ef
PB		 6055 if (use_icount && icount_time_shift < 0) {
6056 use_icount = 2;
6057 /* 125MIPS seems a reasonable initial guess at the guest speed.
6058 It will be corrected fairly quickly anyway. */
6059 icount_time_shift = 3;
6060 init_icount_adjust();
6061 }
634fce96 6062
fd1dff4b
FB		 6063#ifdef _WIN32
6064 socket_init();
6065#endif
6066
7c9d8e07
FB		 6067 /* init network clients */
6068 if (nb_net_clients == 0) {
6069 /* if no clients, we use a default config */
f441b28b
AL		 6070 net_clients[nb_net_clients++] = "nic";
6071#ifdef CONFIG_SLIRP
6072 net_clients[nb_net_clients++] = "user";
6073#endif
c20709aa
FB		 6074 }
6075
7c9d8e07 6076 for(i = 0;i < nb_net_clients; i++) {
9ad97e65 6077 if (net_client_parse(net_clients[i]) < 0)
7c9d8e07 6078 exit(1);
702c651c 6079 }
63a01ef8 6080 net_client_check();
f1510b2c 6081
eec85c2a 6082#ifdef TARGET_I386
ed494d87 6083 /* XXX: this should be moved in the PC machine instantiation code */
28c5af54
JM		 6084 if (net_boot != 0) {
6085 int netroms = 0;
6086 for (i = 0; i < nb_nics && i < 4; i++) {
eec85c2a
TS		 6087 const char *model = nd_table[i].model;
6088 char buf[1024];
28c5af54
JM		 6089 if (net_boot & (1 << i)) {
6090 if (model == NULL)
6091 model = "ne2k_pci";
6092 snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
6093 if (get_image_size(buf) > 0) {
6094 if (nb_option_roms >= MAX_OPTION_ROMS) {
6095 fprintf(stderr, "Too many option ROMs\n");
6096 exit(1);
6097 }
6098 option_rom[nb_option_roms] = strdup(buf);
6099 nb_option_roms++;
6100 netroms++;
6101 }
6102 }
eec85c2a 6103 }
28c5af54 6104 if (netroms == 0) {
eec85c2a
TS		 6105 fprintf(stderr, "No valid PXE rom found for network device\n");
6106 exit(1);
6107 }
eec85c2a
TS		 6108 }
6109#endif
6110
0824d6fc 6111 /* init the memory */
7fb4fdcf
AZ		 6112 phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED;
6113
6114 if (machine->ram_require & RAMSIZE_FIXED) {
6115 if (ram_size > 0) {
6116 if (ram_size < phys_ram_size) {
cd940061
AJ		 6117 fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n",
6118 machine->name, (unsigned long long) phys_ram_size);
7fb4fdcf
AZ		 6119 exit(-1);
6120 }
6121
6122 phys_ram_size = ram_size;
6123 } else
6124 ram_size = phys_ram_size;
6125 } else {
4fc5d071 6126 if (ram_size == 0)
7fb4fdcf
AZ		 6127 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
6128
6129 phys_ram_size += ram_size;
6130 }
9ae02555 6131
d993e026 6132 phys_ram_base = qemu_vmalloc(phys_ram_size);
7f7f9873
FB		 6133 if (!phys_ram_base) {
6134 fprintf(stderr, "Could not allocate physical memory\n");
0824d6fc
FB		 6135 exit(1);
6136 }
6137
26a5f13b
FB		 6138 /* init the dynamic translator */
6139 cpu_exec_init_all(tb_size * 1024 * 1024);
6140
5905b2e5 6141 bdrv_init();
c4b1fcc0 6142
e4bcb14c 6143 /* we always create the cdrom drive, even if no disk is there */
c4b1fcc0 6144
e4bcb14c 6145 if (nb_drives_opt < MAX_DRIVES)
609497ab 6146 drive_add(NULL, CDROM_ALIAS);
c4b1fcc0 6147
9d413d1d 6148 /* we always create at least one floppy */
33e3963e 6149
e4bcb14c 6150 if (nb_drives_opt < MAX_DRIVES)
609497ab 6151 drive_add(NULL, FD_ALIAS, 0);
86f55663 6152
9d413d1d
AZ		 6153 /* we always create one sd slot, even if no card is in it */
6154
6155 if (nb_drives_opt < MAX_DRIVES)
609497ab 6156 drive_add(NULL, SD_ALIAS);
9d413d1d 6157
e4bcb14c
TS		 6158 /* open the virtual block devices */
6159
6160 for(i = 0; i < nb_drives_opt; i++)
609497ab 6161 if (drive_init(&drives_opt[i], snapshot, machine) == -1)
e4bcb14c 6162 exit(1);
3e3d5815 6163
c88676f8 6164 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
475e4277 6165 register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
8a7ddc38 6166
313aa567 6167 /* terminal init */
740733bb 6168 memset(&display_state, 0, sizeof(display_state));
a20dd508 6169 if (nographic) {
4d3b6f6e
AZ		 6170 if (curses) {
6171 fprintf(stderr, "fatal: -nographic can't be used with -curses\n");
6172 exit(1);
6173 }
2ff89790
TS		 6174 /* nearly nothing to do */
6175 dumb_display_init(ds);
73fc9742 6176 } else if (vnc_display != NULL) {
71cab5ca
TS		 6177 vnc_display_init(ds);
6178 if (vnc_display_open(ds, vnc_display) < 0)
6179 exit(1);
4d3b6f6e
AZ		 6180 } else
6181#if defined(CONFIG_CURSES)
6182 if (curses) {
6183 curses_display_init(ds, full_screen);
6184 } else
6185#endif
6186 {
5b0753e0 6187#if defined(CONFIG_SDL)
43523e93 6188 sdl_display_init(ds, full_screen, no_frame);
5b0753e0
FB		 6189#elif defined(CONFIG_COCOA)
6190 cocoa_display_init(ds, full_screen);
67276f53
PB		 6191#else
6192 dumb_display_init(ds);
313aa567
FB		 6193#endif
6194 }
0824d6fc 6195
5b08fc10
AL		 6196#ifndef _WIN32
6197 /* must be after terminal init, SDL library changes signal handlers */
6198 termsig_setup();
6199#endif
6200
20d8a3ed
TS		 6201 /* Maintain compatibility with multiple stdio monitors */
6202 if (!strcmp(monitor_device,"stdio")) {
6203 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
fd5f393a
PB		 6204 const char *devname = serial_devices[i];
6205 if (devname && !strcmp(devname,"mon:stdio")) {
6206 monitor_device = NULL;
20d8a3ed 6207 break;
fd5f393a
PB		 6208 } else if (devname && !strcmp(devname,"stdio")) {
6209 monitor_device = NULL;
6210 serial_devices[i] = "mon:stdio";
20d8a3ed
TS		 6211 break;
6212 }
6213 }
6214 }
fd5f393a 6215 if (monitor_device) {
5ccfae10 6216 monitor_hd = qemu_chr_open("monitor", monitor_device);
20d8a3ed
TS		 6217 if (!monitor_hd) {
6218 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
6219 exit(1);
6220 }
6221 monitor_init(monitor_hd, !nographic);
82c643ff 6222 }
82c643ff 6223
8d11df9e 6224 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
c03b0f0f 6225 const char *devname = serial_devices[i];
fd5f393a 6226 if (devname && strcmp(devname, "none")) {
5ccfae10
AL		 6227 char label[32];
6228 snprintf(label, sizeof(label), "serial%d", i);
6229 serial_hds[i] = qemu_chr_open(label, devname);
8d11df9e 6230 if (!serial_hds[i]) {
5fafdf24 6231 fprintf(stderr, "qemu: could not open serial device '%s'\n",
c03b0f0f 6232 devname);
8d11df9e
FB		 6233 exit(1);
6234 }
af3a9031 6235 if (strstart(devname, "vc", 0))
7ba1260a 6236 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
8d11df9e 6237 }
82c643ff 6238 }
82c643ff 6239
6508fe59 6240 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
c03b0f0f 6241 const char *devname = parallel_devices[i];
fd5f393a 6242 if (devname && strcmp(devname, "none")) {
5ccfae10
AL		 6243 char label[32];
6244 snprintf(label, sizeof(label), "parallel%d", i);
6245 parallel_hds[i] = qemu_chr_open(label, devname);
6508fe59 6246 if (!parallel_hds[i]) {
5fafdf24 6247 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
c03b0f0f 6248 devname);
6508fe59
FB		 6249 exit(1);
6250 }
af3a9031 6251 if (strstart(devname, "vc", 0))
7ba1260a 6252 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
6508fe59
FB		 6253 }
6254 }
6255
7ba1e619
AL		 6256 if (kvm_enabled()) {
6257 int ret;
6258
6259 ret = kvm_init(smp_cpus);
6260 if (ret < 0) {
6261 fprintf(stderr, "failed to initialize KVM\n");
6262 exit(1);
6263 }
6264 }
6265
b881c2c6 6266 machine->init(ram_size, vga_ram_size, boot_devices, ds,
94fc95cd 6267 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
73332e5c 6268
0d92ed30
PB		 6269 /* init USB devices */
6270 if (usb_enabled) {
6271 for(i = 0; i < usb_devices_index; i++) {
6272 if (usb_device_add(usb_devices[i]) < 0) {
6273 fprintf(stderr, "Warning: could not add USB device %s\n",
6274 usb_devices[i]);
6275 }
6276 }
6277 }
6278
740733bb
TS		 6279 if (display_state.dpy_refresh) {
6280 display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state);
6281 qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock));
6282 }
7f7f9873 6283
67b915a5 6284#ifdef CONFIG_GDBSTUB
b4608c04 6285 if (use_gdbstub) {
c636bb66
FB		 6286 /* XXX: use standard host:port notation and modify options
6287 accordingly. */
cfc3475a
PB		 6288 if (gdbserver_start(gdbstub_port) < 0) {
6289 fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
c636bb66 6290 gdbstub_port);
8a7ddc38 6291 exit(1);
8a7ddc38 6292 }
45669e00 6293 }
67b915a5 6294#endif
45669e00 6295
d63d307f 6296 if (loadvm)
faea38e7 6297 do_loadvm(loadvm);
d63d307f 6298
5bb7910a
AL		 6299 if (incoming) {
6300 autostart = 0; /* fixme how to deal with -daemonize */
6301 qemu_start_incoming_migration(incoming);
6302 }
6303
67b915a5 6304 {
5905b2e5 6305 /* XXX: simplify init */
83ab7950 6306 read_passwords();
3c07f8e8 6307 if (autostart) {
5905b2e5
FB		 6308 vm_start();
6309 }
0824d6fc 6310 }
ffd843bc 6311
71e3ceb8
TS		 6312 if (daemonize) {
6313 uint8_t status = 0;
6314 ssize_t len;
6315 int fd;
6316
6317 again1:
6318 len = write(fds[1], &status, 1);
6319 if (len == -1 && (errno == EINTR))
6320 goto again1;
6321
6322 if (len != 1)
6323 exit(1);
6324
bd54b863 6325 chdir("/");
aeb30be6 6326 TFR(fd = open("/dev/null", O_RDWR));
71e3ceb8
TS		 6327 if (fd == -1)
6328 exit(1);
6329
6330 dup2(fd, 0);
6331 dup2(fd, 1);
6332 dup2(fd, 2);
6333
6334 close(fd);
6335 }
6336
8a7ddc38 6337 main_loop();
40c3bac3 6338 quit_timers();
63a01ef8 6339 net_cleanup();
b46a8906 6340
0824d6fc
FB		 6341 return 0;
6342}
Empty description
This page took 1.601922 seconds and 4 git commands to generate.