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0824d6fc 1/*
80cabfad 2 * QEMU System Emulator
5fafdf24 3 *
68d0f70e 4 * Copyright (c) 2003-2008 Fabrice Bellard
5fafdf24 5 *
1df912cf
FB		 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
0824d6fc 23 */
0824d6fc 24#include <unistd.h>
0824d6fc
FB		 25#include <fcntl.h>
26#include <signal.h>
27#include <time.h>
0824d6fc 28#include <errno.h>
67b915a5 29#include <sys/time.h>
c88676f8 30#include <zlib.h>
67b915a5 31
179a2c19 32/* Needed early for HOST_BSD etc. */
d40cdb10
BS		 33#include "config-host.h"
34
67b915a5 35#ifndef _WIN32
5cea8590 36#include <libgen.h>
0858532e 37#include <pwd.h>
67b915a5 38#include <sys/times.h>
f1510b2c 39#include <sys/wait.h>
67b915a5 40#include <termios.h>
67b915a5 41#include <sys/mman.h>
f1510b2c 42#include <sys/ioctl.h>
24646c7e 43#include <sys/resource.h>
f1510b2c 44#include <sys/socket.h>
c94c8d64 45#include <netinet/in.h>
24646c7e
BS		 46#include <net/if.h>
47#if defined(__NetBSD__)
48#include <net/if_tap.h>
49#endif
50#ifdef __linux__
51#include <linux/if_tun.h>
52#endif
53#include <arpa/inet.h>
9d728e8c 54#include <dirent.h>
7c9d8e07 55#include <netdb.h>
cb4b976b 56#include <sys/select.h>
179a2c19 57#ifdef HOST_BSD
7d3505c5 58#include <sys/stat.h>
c5e97233 59#if defined(__FreeBSD__) || defined(__DragonFly__)
7d3505c5 60#include <libutil.h>
24646c7e
BS		 61#else
62#include <util.h>
128ab2ff 63#endif
5c40d2bd
TS		 64#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__)
65#include <freebsd/stdlib.h>
7d3505c5 66#else
223f0d72 67#ifdef __linux__
7d3505c5
FB		 68#include <pty.h>
69#include <malloc.h>
fd872598 70#include <linux/rtc.h>
bd494f4c
TS		 71
72/* For the benefit of older linux systems which don't supply it,
73 we use a local copy of hpet.h. */
74/* #include <linux/hpet.h> */
75#include "hpet.h"
76
e57a8c0e 77#include <linux/ppdev.h>
5867c88a 78#include <linux/parport.h>
223f0d72
BS		 79#endif
80#ifdef __sun__
d5d10bc3
TS		 81#include <sys/stat.h>
82#include <sys/ethernet.h>
83#include <sys/sockio.h>
d5d10bc3
TS		 84#include <netinet/arp.h>
85#include <netinet/in.h>
86#include <netinet/in_systm.h>
87#include <netinet/ip.h>
88#include <netinet/ip_icmp.h> // must come after ip.h
89#include <netinet/udp.h>
90#include <netinet/tcp.h>
91#include <net/if.h>
92#include <syslog.h>
93#include <stropts.h>
67b915a5 94#endif
7d3505c5 95#endif
ec530c81 96#endif
67b915a5 97
9892fbfb
BS		 98#if defined(__OpenBSD__)
99#include <util.h>
100#endif
101
8a16d273
TS		 102#if defined(CONFIG_VDE)
103#include <libvdeplug.h>
104#endif
105
67b915a5 106#ifdef _WIN32
49dc768d 107#include <windows.h>
7d3505c5 108#include <malloc.h>
67b915a5 109#include <sys/timeb.h>
4fddf62a 110#include <mmsystem.h>
67b915a5
FB		 111#define getopt_long_only getopt_long
112#define memalign(align, size) malloc(size)
113#endif
114
73332e5c 115#ifdef CONFIG_SDL
96bcd4f8 116#ifdef __APPLE__
83fb7adf 117#include <SDL/SDL.h>
880fec5d 118int qemu_main(int argc, char **argv, char **envp);
119int main(int argc, char **argv)
120{
121 qemu_main(argc, argv, NULL);
122}
123#undef main
124#define main qemu_main
96bcd4f8 125#endif
73332e5c 126#endif /* CONFIG_SDL */
0824d6fc 127
5b0753e0
FB		 128#ifdef CONFIG_COCOA
129#undef main
130#define main qemu_main
131#endif /* CONFIG_COCOA */
132
511d2b14
BS		 133#include "hw/hw.h"
134#include "hw/boards.h"
135#include "hw/usb.h"
136#include "hw/pcmcia.h"
137#include "hw/pc.h"
138#include "hw/audiodev.h"
139#include "hw/isa.h"
140#include "hw/baum.h"
141#include "hw/bt.h"
9dd986cc 142#include "hw/watchdog.h"
b6f6e3d3 143#include "hw/smbios.h"
e37630ca 144#include "hw/xen.h"
5ef4efa4 145#include "bt-host.h"
511d2b14
BS		 146#include "net.h"
147#include "monitor.h"
148#include "console.h"
149#include "sysemu.h"
150#include "gdbstub.h"
151#include "qemu-timer.h"
152#include "qemu-char.h"
153#include "cache-utils.h"
154#include "block.h"
a718acec 155#include "dma.h"
511d2b14
BS		 156#include "audio/audio.h"
157#include "migration.h"
158#include "kvm.h"
159#include "balloon.h"
d3f24367 160#include "qemu-option.h"
511d2b14 161
0824d6fc 162#include "disas.h"
fc01f7e7 163
8a7ddc38 164#include "exec-all.h"
0824d6fc 165
511d2b14
BS		 166#include "qemu_socket.h"
167
168#if defined(CONFIG_SLIRP)
169#include "libslirp.h"
170#endif
171
0824d6fc 172//#define DEBUG_UNUSED_IOPORT
fd872598 173//#define DEBUG_IOPORT
9dc63a1e
BS		 174//#define DEBUG_NET
175//#define DEBUG_SLIRP
330d0414 176
d12d51d5
AL		 177
178#ifdef DEBUG_IOPORT
93fcfe39 179# define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
d12d51d5
AL		 180#else
181# define LOG_IOPORT(...) do { } while (0)
182#endif
183
1bfe856e 184#define DEFAULT_RAM_SIZE 128
313aa567 185
0d92ed30
PB		 186/* Max number of USB devices that can be specified on the commandline. */
187#define MAX_USB_CMDLINE 8
188
dc72ac14
AZ		 189/* Max number of bluetooth switches on the commandline. */
190#define MAX_BT_CMDLINE 10
191
7dea1da4
FB		 192/* XXX: use a two level table to limit memory usage */
193#define MAX_IOPORTS 65536
0824d6fc 194
5cea8590 195static const char *data_dir;
1192dad8 196const char *bios_name = NULL;
dbed7e40
BS		 197static void *ioport_opaque[MAX_IOPORTS];
198static IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
199static IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
e4bcb14c 200/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
faea38e7 201 to store the VM snapshots */
e4bcb14c
TS		 202DriveInfo drives_table[MAX_DRIVES+1];
203int nb_drives;
cb5a7aa8 204enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
3023f332 205static DisplayState *display_state;
993fbfdb 206DisplayType display_type = DT_DEFAULT;
3d11d0eb 207const char* keyboard_layout = NULL;
313aa567 208int64_t ticks_per_sec;
00f82b8a 209ram_addr_t ram_size;
c4b1fcc0 210int nb_nics;
7c9d8e07 211NICInfo nd_table[MAX_NICS];
8a7ddc38 212int vm_running;
c0f4ce77 213static int autostart;
f6503059
AZ		 214static int rtc_utc = 1;
215static int rtc_date_offset = -1; /* -1 means no change */
1bfe856e 216int cirrus_vga_enabled = 1;
c2b3b41a 217int std_vga_enabled = 0;
d34cab9f 218int vmsvga_enabled = 0;
94909d9f 219int xenfb_enabled = 0;
d827220b
FB		 220#ifdef TARGET_SPARC
221int graphic_width = 1024;
222int graphic_height = 768;
eee0b836 223int graphic_depth = 8;
d827220b 224#else
1bfe856e
FB		 225int graphic_width = 800;
226int graphic_height = 600;
e9b137c2 227int graphic_depth = 15;
eee0b836 228#endif
dbed7e40 229static int full_screen = 0;
634a21f6 230#ifdef CONFIG_SDL
dbed7e40 231static int no_frame = 0;
634a21f6 232#endif
667accab 233int no_quit = 0;
8d11df9e 234CharDriverState *serial_hds[MAX_SERIAL_PORTS];
6508fe59 235CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
9ede2fde 236CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
a09db21f
FB		 237#ifdef TARGET_I386
238int win2k_install_hack = 0;
73822ec8 239int rtc_td_hack = 0;
a09db21f 240#endif
bb36d470 241int usb_enabled = 0;
1b530a6d 242int singlestep = 0;
6a00d601 243int smp_cpus = 1;
73fc9742 244const char *vnc_display;
6515b203 245int acpi_enabled = 1;
16b29ae1 246int no_hpet = 0;
52ca8d6a 247int fd_bootchk = 1;
d1beab82 248int no_reboot = 0;
b2f76161 249int no_shutdown = 0;
9467cd46 250int cursor_hide = 1;
a171fe39 251int graphic_rotate = 0;
b9e82a59 252#ifndef _WIN32
71e3ceb8 253int daemonize = 0;
b9e82a59 254#endif
9dd986cc
RJ		 255WatchdogTimerModel *watchdog = NULL;
256int watchdog_action = WDT_RESET;
9ae02555
TS		 257const char *option_rom[MAX_OPTION_ROMS];
258int nb_option_roms;
8e71621f 259int semihosting_enabled = 0;
2b8f2d41
AZ		 260#ifdef TARGET_ARM
261int old_param = 0;
262#endif
c35734b2 263const char *qemu_name;
3780e197 264int alt_grab = 0;
95efd11c 265#if defined(TARGET_SPARC) || defined(TARGET_PPC)
66508601
BS		 266unsigned int nb_prom_envs = 0;
267const char *prom_envs[MAX_PROM_ENVS];
268#endif
ec691c80
AL		 269int nb_drives_opt;
270struct drive_opt drives_opt[MAX_DRIVES];
0824d6fc 271
268a362c
AL		 272int nb_numa_nodes;
273uint64_t node_mem[MAX_NODES];
274uint64_t node_cpumask[MAX_NODES];
275
ee5605e5
AZ		 276static CPUState *cur_cpu;
277static CPUState *next_cpu;
43b96858 278static int timer_alarm_pending = 1;
bf20dc07 279/* Conversion factor from emulated instructions to virtual clock ticks. */
2e70f6ef 280static int icount_time_shift;
bf20dc07 281/* Arbitrarily pick 1MIPS as the minimum allowable speed. */
2e70f6ef
PB		 282#define MAX_ICOUNT_SHIFT 10
283/* Compensate for varying guest execution speed. */
284static int64_t qemu_icount_bias;
dbed7e40
BS		 285static QEMUTimer *icount_rt_timer;
286static QEMUTimer *icount_vm_timer;
9043b62d 287static QEMUTimer *nographic_timer;
ee5605e5 288
8fcb1b90
BS		 289uint8_t qemu_uuid[16];
290
0824d6fc 291/***********************************************************/
26aa7d72
FB		 292/* x86 ISA bus support */
293
294target_phys_addr_t isa_mem_base = 0;
3de388f6 295PicState2 *isa_pic;
0824d6fc 296
477e3edf
AL		 297static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl;
298static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel;
299
300static uint32_t ioport_read(int index, uint32_t address)
301{
302 static IOPortReadFunc *default_func[3] = {
303 default_ioport_readb,
304 default_ioport_readw,
305 default_ioport_readl
306 };
307 IOPortReadFunc *func = ioport_read_table[index][address];
308 if (!func)
309 func = default_func[index];
310 return func(ioport_opaque[address], address);
311}
312
313static void ioport_write(int index, uint32_t address, uint32_t data)
314{
315 static IOPortWriteFunc *default_func[3] = {
316 default_ioport_writeb,
317 default_ioport_writew,
318 default_ioport_writel
319 };
320 IOPortWriteFunc *func = ioport_write_table[index][address];
321 if (!func)
322 func = default_func[index];
323 func(ioport_opaque[address], address, data);
324}
325
9596ebb7 326static uint32_t default_ioport_readb(void *opaque, uint32_t address)
0824d6fc
FB		 327{
328#ifdef DEBUG_UNUSED_IOPORT
1196be37 329 fprintf(stderr, "unused inb: port=0x%04x\n", address);
0824d6fc 330#endif
fc01f7e7 331 return 0xff;
0824d6fc
FB		 332}
333
9596ebb7 334static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
0824d6fc
FB		 335{
336#ifdef DEBUG_UNUSED_IOPORT
1196be37 337 fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
0824d6fc
FB		 338#endif
339}
340
341/* default is to make two byte accesses */
9596ebb7 342static uint32_t default_ioport_readw(void *opaque, uint32_t address)
0824d6fc
FB		 343{
344 uint32_t data;
477e3edf 345 data = ioport_read(0, address);
db45c29a 346 address = (address + 1) & (MAX_IOPORTS - 1);
477e3edf 347 data |= ioport_read(0, address) << 8;
0824d6fc
FB		 348 return data;
349}
350
9596ebb7 351static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
0824d6fc 352{
477e3edf 353 ioport_write(0, address, data & 0xff);
db45c29a 354 address = (address + 1) & (MAX_IOPORTS - 1);
477e3edf 355 ioport_write(0, address, (data >> 8) & 0xff);
0824d6fc
FB		 356}
357
9596ebb7 358static uint32_t default_ioport_readl(void *opaque, uint32_t address)
0824d6fc 359{
fc01f7e7 360#ifdef DEBUG_UNUSED_IOPORT
1196be37 361 fprintf(stderr, "unused inl: port=0x%04x\n", address);
fc01f7e7
FB		 362#endif
363 return 0xffffffff;
0824d6fc
FB		 364}
365
9596ebb7 366static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
0824d6fc 367{
fc01f7e7 368#ifdef DEBUG_UNUSED_IOPORT
1196be37 369 fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
fc01f7e7 370#endif
0824d6fc
FB		 371}
372
fc01f7e7 373/* size is the word size in byte */
5fafdf24 374int register_ioport_read(int start, int length, int size,
c4b1fcc0 375 IOPortReadFunc *func, void *opaque)
f1510b2c 376{
fc01f7e7 377 int i, bsize;
f1510b2c 378
c4b1fcc0 379 if (size == 1) {
fc01f7e7 380 bsize = 0;
c4b1fcc0 381 } else if (size == 2) {
fc01f7e7 382 bsize = 1;
c4b1fcc0 383 } else if (size == 4) {
fc01f7e7 384 bsize = 2;
c4b1fcc0 385 } else {
88fdf56f 386 hw_error("register_ioport_read: invalid size");
fc01f7e7 387 return -1;
c4b1fcc0
FB		 388 }
389 for(i = start; i < start + length; i += size) {
fc01f7e7 390 ioport_read_table[bsize][i] = func;
c4b1fcc0 391 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
88fdf56f 392 hw_error("register_ioport_read: invalid opaque");
c4b1fcc0
FB		 393 ioport_opaque[i] = opaque;
394 }
f1510b2c
FB		 395 return 0;
396}
397
fc01f7e7 398/* size is the word size in byte */
5fafdf24 399int register_ioport_write(int start, int length, int size,
c4b1fcc0 400 IOPortWriteFunc *func, void *opaque)
f1510b2c 401{
fc01f7e7 402 int i, bsize;
f1510b2c 403
c4b1fcc0 404 if (size == 1) {
fc01f7e7 405 bsize = 0;
c4b1fcc0 406 } else if (size == 2) {
fc01f7e7 407 bsize = 1;
c4b1fcc0 408 } else if (size == 4) {
fc01f7e7 409 bsize = 2;
c4b1fcc0 410 } else {
88fdf56f 411 hw_error("register_ioport_write: invalid size");
fc01f7e7 412 return -1;
c4b1fcc0
FB		 413 }
414 for(i = start; i < start + length; i += size) {
fc01f7e7 415 ioport_write_table[bsize][i] = func;
88fdf56f
AZ		 416 if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
417 hw_error("register_ioport_write: invalid opaque");
c4b1fcc0
FB		 418 ioport_opaque[i] = opaque;
419 }
f1510b2c
FB		 420 return 0;
421}
422
69b91039
FB		 423void isa_unassign_ioport(int start, int length)
424{
425 int i;
426
427 for(i = start; i < start + length; i++) {
428 ioport_read_table[0][i] = default_ioport_readb;
429 ioport_read_table[1][i] = default_ioport_readw;
430 ioport_read_table[2][i] = default_ioport_readl;
431
432 ioport_write_table[0][i] = default_ioport_writeb;
433 ioport_write_table[1][i] = default_ioport_writew;
434 ioport_write_table[2][i] = default_ioport_writel;
a7607f7e
AL		 435
436 ioport_opaque[i] = NULL;
69b91039
FB		 437 }
438}
439
20f32282
FB		 440/***********************************************************/
441
c45886db 442void cpu_outb(CPUState *env, int addr, int val)
0824d6fc 443{
d12d51d5 444 LOG_IOPORT("outb: %04x %02x\n", addr, val);
477e3edf 445 ioport_write(0, addr, val);
640f42e4 446#ifdef CONFIG_KQEMU
89bfc105
FB		 447 if (env)
448 env->last_io_time = cpu_get_time_fast();
449#endif
0824d6fc
FB		 450}
451
c45886db 452void cpu_outw(CPUState *env, int addr, int val)
0824d6fc 453{
d12d51d5 454 LOG_IOPORT("outw: %04x %04x\n", addr, val);
477e3edf 455 ioport_write(1, addr, val);
640f42e4 456#ifdef CONFIG_KQEMU
89bfc105
FB		 457 if (env)
458 env->last_io_time = cpu_get_time_fast();
459#endif
0824d6fc
FB		 460}
461
c45886db 462void cpu_outl(CPUState *env, int addr, int val)
0824d6fc 463{
d12d51d5 464 LOG_IOPORT("outl: %04x %08x\n", addr, val);
477e3edf 465 ioport_write(2, addr, val);
640f42e4 466#ifdef CONFIG_KQEMU
89bfc105
FB		 467 if (env)
468 env->last_io_time = cpu_get_time_fast();
469#endif
0824d6fc
FB		 470}
471
c45886db 472int cpu_inb(CPUState *env, int addr)
0824d6fc 473{
fd872598 474 int val;
477e3edf 475 val = ioport_read(0, addr);
d12d51d5 476 LOG_IOPORT("inb : %04x %02x\n", addr, val);
640f42e4 477#ifdef CONFIG_KQEMU
89bfc105
FB		 478 if (env)
479 env->last_io_time = cpu_get_time_fast();
fd872598
FB		 480#endif
481 return val;
0824d6fc
FB		 482}
483
c45886db 484int cpu_inw(CPUState *env, int addr)
0824d6fc 485{
fd872598 486 int val;
477e3edf 487 val = ioport_read(1, addr);
d12d51d5 488 LOG_IOPORT("inw : %04x %04x\n", addr, val);
640f42e4 489#ifdef CONFIG_KQEMU
89bfc105
FB		 490 if (env)
491 env->last_io_time = cpu_get_time_fast();
fd872598
FB		 492#endif
493 return val;
0824d6fc
FB		 494}
495
c45886db 496int cpu_inl(CPUState *env, int addr)
0824d6fc 497{
fd872598 498 int val;
477e3edf 499 val = ioport_read(2, addr);
d12d51d5 500 LOG_IOPORT("inl : %04x %08x\n", addr, val);
640f42e4 501#ifdef CONFIG_KQEMU
89bfc105
FB		 502 if (env)
503 env->last_io_time = cpu_get_time_fast();
fd872598
FB		 504#endif
505 return val;
0824d6fc
FB		 506}
507
508/***********************************************************/
0824d6fc
FB		 509void hw_error(const char *fmt, ...)
510{
511 va_list ap;
6a00d601 512 CPUState *env;
0824d6fc
FB		 513
514 va_start(ap, fmt);
515 fprintf(stderr, "qemu: hardware error: ");
516 vfprintf(stderr, fmt, ap);
517 fprintf(stderr, "\n");
6a00d601
FB		 518 for(env = first_cpu; env != NULL; env = env->next_cpu) {
519 fprintf(stderr, "CPU #%d:\n", env->cpu_index);
0824d6fc 520#ifdef TARGET_I386
6a00d601 521 cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
c45886db 522#else
6a00d601 523 cpu_dump_state(env, stderr, fprintf, 0);
0824d6fc 524#endif
6a00d601 525 }
0824d6fc
FB		 526 va_end(ap);
527 abort();
528}
df751fa8
AL		 529
530/***************/
531/* ballooning */
532
533static QEMUBalloonEvent *qemu_balloon_event;
534void *qemu_balloon_event_opaque;
535
536void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque)
537{
538 qemu_balloon_event = func;
539 qemu_balloon_event_opaque = opaque;
540}
541
542void qemu_balloon(ram_addr_t target)
543{
544 if (qemu_balloon_event)
545 qemu_balloon_event(qemu_balloon_event_opaque, target);
546}
547
548ram_addr_t qemu_balloon_status(void)
549{
550 if (qemu_balloon_event)
551 return qemu_balloon_event(qemu_balloon_event_opaque, 0);
552 return 0;
553}
0824d6fc 554
63066f4f
FB		 555/***********************************************************/
556/* keyboard/mouse */
557
558static QEMUPutKBDEvent *qemu_put_kbd_event;
559static void *qemu_put_kbd_event_opaque;
455204eb
TS		 560static QEMUPutMouseEntry *qemu_put_mouse_event_head;
561static QEMUPutMouseEntry *qemu_put_mouse_event_current;
63066f4f
FB		 562
563void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
564{
565 qemu_put_kbd_event_opaque = opaque;
566 qemu_put_kbd_event = func;
567}
568
455204eb
TS		 569QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
570 void *opaque, int absolute,
571 const char *name)
63066f4f 572{
455204eb
TS		 573 QEMUPutMouseEntry *s, *cursor;
574
575 s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
455204eb
TS		 576
577 s->qemu_put_mouse_event = func;
578 s->qemu_put_mouse_event_opaque = opaque;
579 s->qemu_put_mouse_event_absolute = absolute;
580 s->qemu_put_mouse_event_name = qemu_strdup(name);
581 s->next = NULL;
582
583 if (!qemu_put_mouse_event_head) {
584 qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
585 return s;
586 }
587
588 cursor = qemu_put_mouse_event_head;
589 while (cursor->next != NULL)
590 cursor = cursor->next;
591
592 cursor->next = s;
593 qemu_put_mouse_event_current = s;
594
595 return s;
596}
597
598void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
599{
600 QEMUPutMouseEntry *prev = NULL, *cursor;
601
602 if (!qemu_put_mouse_event_head || entry == NULL)
603 return;
604
605 cursor = qemu_put_mouse_event_head;
606 while (cursor != NULL && cursor != entry) {
607 prev = cursor;
608 cursor = cursor->next;
609 }
610
611 if (cursor == NULL) // does not exist or list empty
612 return;
613 else if (prev == NULL) { // entry is head
614 qemu_put_mouse_event_head = cursor->next;
615 if (qemu_put_mouse_event_current == entry)
616 qemu_put_mouse_event_current = cursor->next;
617 qemu_free(entry->qemu_put_mouse_event_name);
618 qemu_free(entry);
619 return;
620 }
621
622 prev->next = entry->next;
623
624 if (qemu_put_mouse_event_current == entry)
625 qemu_put_mouse_event_current = prev;
626
627 qemu_free(entry->qemu_put_mouse_event_name);
628 qemu_free(entry);
63066f4f
FB		 629}
630
631void kbd_put_keycode(int keycode)
632{
633 if (qemu_put_kbd_event) {
634 qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
635 }
636}
637
638void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
639{
455204eb
TS		 640 QEMUPutMouseEvent *mouse_event;
641 void *mouse_event_opaque;
a171fe39 642 int width;
455204eb
TS		 643
644 if (!qemu_put_mouse_event_current) {
645 return;
646 }
647
648 mouse_event =
649 qemu_put_mouse_event_current->qemu_put_mouse_event;
650 mouse_event_opaque =
651 qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
652
653 if (mouse_event) {
a171fe39
AZ		 654 if (graphic_rotate) {
655 if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute)
656 width = 0x7fff;
657 else
b94ed577 658 width = graphic_width - 1;
a171fe39
AZ		 659 mouse_event(mouse_event_opaque,
660 width - dy, dx, dz, buttons_state);
661 } else
662 mouse_event(mouse_event_opaque,
663 dx, dy, dz, buttons_state);
63066f4f
FB		 664 }
665}
666
09b26c5e
FB		 667int kbd_mouse_is_absolute(void)
668{
455204eb
TS		 669 if (!qemu_put_mouse_event_current)
670 return 0;
671
672 return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
673}
674
376253ec 675void do_info_mice(Monitor *mon)
455204eb
TS		 676{
677 QEMUPutMouseEntry *cursor;
678 int index = 0;
679
680 if (!qemu_put_mouse_event_head) {
376253ec 681 monitor_printf(mon, "No mouse devices connected\n");
455204eb
TS		 682 return;
683 }
684
376253ec 685 monitor_printf(mon, "Mouse devices available:\n");
455204eb
TS		 686 cursor = qemu_put_mouse_event_head;
687 while (cursor != NULL) {
376253ec
AL		 688 monitor_printf(mon, "%c Mouse #%d: %s\n",
689 (cursor == qemu_put_mouse_event_current ? '*' : ' '),
690 index, cursor->qemu_put_mouse_event_name);
455204eb
TS		 691 index++;
692 cursor = cursor->next;
693 }
694}
695
376253ec 696void do_mouse_set(Monitor *mon, int index)
455204eb
TS		 697{
698 QEMUPutMouseEntry *cursor;
699 int i = 0;
700
701 if (!qemu_put_mouse_event_head) {
376253ec 702 monitor_printf(mon, "No mouse devices connected\n");
455204eb
TS		 703 return;
704 }
705
706 cursor = qemu_put_mouse_event_head;
707 while (cursor != NULL && index != i) {
708 i++;
709 cursor = cursor->next;
710 }
711
712 if (cursor != NULL)
713 qemu_put_mouse_event_current = cursor;
714 else
376253ec 715 monitor_printf(mon, "Mouse at given index not found\n");
09b26c5e
FB		 716}
717
1dce7c3c
FB		 718/* compute with 96 bit intermediate result: (a*b)/c */
719uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
0824d6fc 720{
1dce7c3c
FB		 721 union {
722 uint64_t ll;
723 struct {
724#ifdef WORDS_BIGENDIAN
725 uint32_t high, low;
726#else
727 uint32_t low, high;
3b46e624 728#endif
1dce7c3c
FB		 729 } l;
730 } u, res;
731 uint64_t rl, rh;
0824d6fc 732
1dce7c3c
FB		 733 u.ll = a;
734 rl = (uint64_t)u.l.low * (uint64_t)b;
735 rh = (uint64_t)u.l.high * (uint64_t)b;
736 rh += (rl >> 32);
737 res.l.high = rh / c;
738 res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
739 return res.ll;
34865134
FB		 740}
741
1dce7c3c
FB		 742/***********************************************************/
743/* real time host monotonic timer */
34865134 744
1dce7c3c 745#define QEMU_TIMER_BASE 1000000000LL
34865134 746
1dce7c3c 747#ifdef WIN32
0824d6fc 748
1dce7c3c 749static int64_t clock_freq;
1115dde7 750
1dce7c3c 751static void init_get_clock(void)
1115dde7 752{
a8e5ac33
FB		 753 LARGE_INTEGER freq;
754 int ret;
1dce7c3c
FB		 755 ret = QueryPerformanceFrequency(&freq);
756 if (ret == 0) {
757 fprintf(stderr, "Could not calibrate ticks\n");
758 exit(1);
759 }
760 clock_freq = freq.QuadPart;
1115dde7
FB		 761}
762
1dce7c3c 763static int64_t get_clock(void)
b8076a74 764{
1dce7c3c
FB		 765 LARGE_INTEGER ti;
766 QueryPerformanceCounter(&ti);
767 return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
b8076a74
FB		 768}
769
1dce7c3c 770#else
90cb9493 771
1dce7c3c
FB		 772static int use_rt_clock;
773
774static void init_get_clock(void)
90cb9493 775{
1dce7c3c 776 use_rt_clock = 0;
c5e97233
BS		 777#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
778 || defined(__DragonFly__)
1dce7c3c
FB		 779 {
780 struct timespec ts;
781 if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
782 use_rt_clock = 1;
783 }
784 }
785#endif
90cb9493
FB		 786}
787
1dce7c3c 788static int64_t get_clock(void)
fdbb4691 789{
c5e97233
BS		 790#if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
791 || defined(__DragonFly__)
1dce7c3c
FB		 792 if (use_rt_clock) {
793 struct timespec ts;
794 clock_gettime(CLOCK_MONOTONIC, &ts);
795 return ts.tv_sec * 1000000000LL + ts.tv_nsec;
5fafdf24 796 } else
fdbb4691 797#endif
1dce7c3c
FB		 798 {
799 /* XXX: using gettimeofday leads to problems if the date
800 changes, so it should be avoided. */
801 struct timeval tv;
802 gettimeofday(&tv, NULL);
803 return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
804 }
fdbb4691 805}
34865134
FB		 806#endif
807
2e70f6ef
PB		 808/* Return the virtual CPU time, based on the instruction counter. */
809static int64_t cpu_get_icount(void)
810{
811 int64_t icount;
812 CPUState *env = cpu_single_env;;
813 icount = qemu_icount;
814 if (env) {
815 if (!can_do_io(env))
816 fprintf(stderr, "Bad clock read\n");
817 icount -= (env->icount_decr.u16.low + env->icount_extra);
818 }
819 return qemu_icount_bias + (icount << icount_time_shift);
820}
821
1dce7c3c
FB		 822/***********************************************************/
823/* guest cycle counter */
824
eade0f19 825static int64_t cpu_ticks_prev;
34865134 826static int64_t cpu_ticks_offset;
1dce7c3c 827static int64_t cpu_clock_offset;
8a7ddc38 828static int cpu_ticks_enabled;
34865134 829
1dce7c3c
FB		 830/* return the host CPU cycle counter and handle stop/restart */
831int64_t cpu_get_ticks(void)
34865134 832{
2e70f6ef
PB		 833 if (use_icount) {
834 return cpu_get_icount();
835 }
8a7ddc38
FB		 836 if (!cpu_ticks_enabled) {
837 return cpu_ticks_offset;
838 } else {
eade0f19
FB		 839 int64_t ticks;
840 ticks = cpu_get_real_ticks();
841 if (cpu_ticks_prev > ticks) {
842 /* Note: non increasing ticks may happen if the host uses
843 software suspend */
844 cpu_ticks_offset += cpu_ticks_prev - ticks;
845 }
846 cpu_ticks_prev = ticks;
847 return ticks + cpu_ticks_offset;
8a7ddc38 848 }
34865134
FB		 849}
850
1dce7c3c
FB		 851/* return the host CPU monotonic timer and handle stop/restart */
852static int64_t cpu_get_clock(void)
853{
854 int64_t ti;
855 if (!cpu_ticks_enabled) {
856 return cpu_clock_offset;
857 } else {
858 ti = get_clock();
859 return ti + cpu_clock_offset;
860 }
861}
862
34865134
FB		 863/* enable cpu_get_ticks() */
864void cpu_enable_ticks(void)
865{
8a7ddc38
FB		 866 if (!cpu_ticks_enabled) {
867 cpu_ticks_offset -= cpu_get_real_ticks();
1dce7c3c 868 cpu_clock_offset -= get_clock();
8a7ddc38
FB		 869 cpu_ticks_enabled = 1;
870 }
34865134
FB		 871}
872
873/* disable cpu_get_ticks() : the clock is stopped. You must not call
874 cpu_get_ticks() after that. */
875void cpu_disable_ticks(void)
876{
8a7ddc38
FB		 877 if (cpu_ticks_enabled) {
878 cpu_ticks_offset = cpu_get_ticks();
1dce7c3c 879 cpu_clock_offset = cpu_get_clock();
8a7ddc38
FB		 880 cpu_ticks_enabled = 0;
881 }
34865134
FB		 882}
883
1dce7c3c
FB		 884/***********************************************************/
885/* timers */
5fafdf24 886
8a7ddc38
FB		 887#define QEMU_TIMER_REALTIME 0
888#define QEMU_TIMER_VIRTUAL 1
889
890struct QEMUClock {
891 int type;
892 /* XXX: add frequency */
893};
894
895struct QEMUTimer {
896 QEMUClock *clock;
897 int64_t expire_time;
898 QEMUTimerCB *cb;
899 void *opaque;
900 struct QEMUTimer *next;
901};
902
c8994013
TS		 903struct qemu_alarm_timer {
904 char const *name;
efe75411 905 unsigned int flags;
c8994013
TS		 906
907 int (*start)(struct qemu_alarm_timer *t);
908 void (*stop)(struct qemu_alarm_timer *t);
efe75411 909 void (*rearm)(struct qemu_alarm_timer *t);
c8994013
TS		 910 void *priv;
911};
912
efe75411 913#define ALARM_FLAG_DYNTICKS 0x1
d5d08334 914#define ALARM_FLAG_EXPIRED 0x2
efe75411
TS		 915
916static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
917{
e332340a 918 return t && (t->flags & ALARM_FLAG_DYNTICKS);
efe75411
TS		 919}
920
921static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
922{
923 if (!alarm_has_dynticks(t))
924 return;
925
926 t->rearm(t);
927}
928
929/* TODO: MIN_TIMER_REARM_US should be optimized */
930#define MIN_TIMER_REARM_US 250
931
c8994013 932static struct qemu_alarm_timer *alarm_timer;
8a7ddc38 933
40c3bac3 934#ifdef _WIN32
c8994013
TS		 935
936struct qemu_alarm_win32 {
937 MMRESULT timerId;
c8994013 938 unsigned int period;
ef28c4b0 939} alarm_win32_data = {0, -1};
c8994013
TS		 940
941static int win32_start_timer(struct qemu_alarm_timer *t);
942static void win32_stop_timer(struct qemu_alarm_timer *t);
efe75411 943static void win32_rearm_timer(struct qemu_alarm_timer *t);
c8994013 944
40c3bac3 945#else
c8994013
TS		 946
947static int unix_start_timer(struct qemu_alarm_timer *t);
948static void unix_stop_timer(struct qemu_alarm_timer *t);
949
231c6586
TS		 950#ifdef __linux__
951
efe75411
TS		 952static int dynticks_start_timer(struct qemu_alarm_timer *t);
953static void dynticks_stop_timer(struct qemu_alarm_timer *t);
954static void dynticks_rearm_timer(struct qemu_alarm_timer *t);
955
c40ec5a9
TS		 956static int hpet_start_timer(struct qemu_alarm_timer *t);
957static void hpet_stop_timer(struct qemu_alarm_timer *t);
958
c8994013
TS		 959static int rtc_start_timer(struct qemu_alarm_timer *t);
960static void rtc_stop_timer(struct qemu_alarm_timer *t);
961
efe75411 962#endif /* __linux__ */
8a7ddc38 963
c8994013
TS		 964#endif /* _WIN32 */
965
2e70f6ef 966/* Correlation between real and virtual time is always going to be
bf20dc07 967 fairly approximate, so ignore small variation.
2e70f6ef
PB		 968 When the guest is idle real and virtual time will be aligned in
969 the IO wait loop. */
970#define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10)
971
972static void icount_adjust(void)
973{
974 int64_t cur_time;
975 int64_t cur_icount;
976 int64_t delta;
977 static int64_t last_delta;
978 /* If the VM is not running, then do nothing. */
979 if (!vm_running)
980 return;
981
982 cur_time = cpu_get_clock();
983 cur_icount = qemu_get_clock(vm_clock);
984 delta = cur_icount - cur_time;
985 /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */
986 if (delta > 0
987 && last_delta + ICOUNT_WOBBLE < delta * 2
988 && icount_time_shift > 0) {
989 /* The guest is getting too far ahead. Slow time down. */
990 icount_time_shift--;
991 }
992 if (delta < 0
993 && last_delta - ICOUNT_WOBBLE > delta * 2
994 && icount_time_shift < MAX_ICOUNT_SHIFT) {
995 /* The guest is getting too far behind. Speed time up. */
996 icount_time_shift++;
997 }
998 last_delta = delta;
999 qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift);
1000}
1001
1002static void icount_adjust_rt(void * opaque)
1003{
1004 qemu_mod_timer(icount_rt_timer,
1005 qemu_get_clock(rt_clock) + 1000);
1006 icount_adjust();
1007}
1008
1009static void icount_adjust_vm(void * opaque)
1010{
1011 qemu_mod_timer(icount_vm_timer,
1012 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
1013 icount_adjust();
1014}
1015
1016static void init_icount_adjust(void)
1017{
1018 /* Have both realtime and virtual time triggers for speed adjustment.
1019 The realtime trigger catches emulated time passing too slowly,
1020 the virtual time trigger catches emulated time passing too fast.
1021 Realtime triggers occur even when idle, so use them less frequently
1022 than VM triggers. */
1023 icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL);
1024 qemu_mod_timer(icount_rt_timer,
1025 qemu_get_clock(rt_clock) + 1000);
1026 icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL);
1027 qemu_mod_timer(icount_vm_timer,
1028 qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10);
1029}
1030
c8994013 1031static struct qemu_alarm_timer alarm_timers[] = {
efe75411 1032#ifndef _WIN32
231c6586 1033#ifdef __linux__
efe75411
TS		 1034 {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer,
1035 dynticks_stop_timer, dynticks_rearm_timer, NULL},
c40ec5a9 1036 /* HPET - if available - is preferred */
efe75411 1037 {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL},
c40ec5a9 1038 /* ...otherwise try RTC */
efe75411 1039 {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL},
c8994013 1040#endif
efe75411 1041 {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL},
c8994013 1042#else
efe75411
TS		 1043 {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer,
1044 win32_stop_timer, win32_rearm_timer, &alarm_win32_data},
1045 {"win32", 0, win32_start_timer,
1046 win32_stop_timer, NULL, &alarm_win32_data},
c8994013
TS		 1047#endif
1048 {NULL, }
1049};
1050
3f47aa8c 1051static void show_available_alarms(void)
f3dcfada
TS		 1052{
1053 int i;
1054
1055 printf("Available alarm timers, in order of precedence:\n");
1056 for (i = 0; alarm_timers[i].name; i++)
1057 printf("%s\n", alarm_timers[i].name);
1058}
1059
1060static void configure_alarms(char const *opt)
1061{
1062 int i;
1063 int cur = 0;
b1503cda 1064 int count = ARRAY_SIZE(alarm_timers) - 1;
f3dcfada
TS		 1065 char *arg;
1066 char *name;
2e70f6ef 1067 struct qemu_alarm_timer tmp;
f3dcfada 1068
3adda04c 1069 if (!strcmp(opt, "?")) {
f3dcfada
TS		 1070 show_available_alarms();
1071 exit(0);
1072 }
1073
1074 arg = strdup(opt);
1075
1076 /* Reorder the array */
1077 name = strtok(arg, ",");
1078 while (name) {
e2b577e5 1079 for (i = 0; i < count && alarm_timers[i].name; i++) {
f3dcfada
TS		 1080 if (!strcmp(alarm_timers[i].name, name))
1081 break;
1082 }
1083
1084 if (i == count) {
1085 fprintf(stderr, "Unknown clock %s\n", name);
1086 goto next;
1087 }
1088
1089 if (i < cur)
1090 /* Ignore */
1091 goto next;
1092
1093 /* Swap */
1094 tmp = alarm_timers[i];
1095 alarm_timers[i] = alarm_timers[cur];
1096 alarm_timers[cur] = tmp;
1097
1098 cur++;
1099next:
1100 name = strtok(NULL, ",");
1101 }
1102
1103 free(arg);
1104
1105 if (cur) {
2e70f6ef 1106 /* Disable remaining timers */
f3dcfada
TS		 1107 for (i = cur; i < count; i++)
1108 alarm_timers[i].name = NULL;
3adda04c
AJ		 1109 } else {
1110 show_available_alarms();
1111 exit(1);
f3dcfada 1112 }
f3dcfada
TS		 1113}
1114
c8994013
TS		 1115QEMUClock *rt_clock;
1116QEMUClock *vm_clock;
1117
1118static QEMUTimer *active_timers[2];
1119
9596ebb7 1120static QEMUClock *qemu_new_clock(int type)
8a7ddc38
FB		 1121{
1122 QEMUClock *clock;
1123 clock = qemu_mallocz(sizeof(QEMUClock));
8a7ddc38
FB		 1124 clock->type = type;
1125 return clock;
1126}
1127
1128QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
1129{
1130 QEMUTimer *ts;
1131
1132 ts = qemu_mallocz(sizeof(QEMUTimer));
1133 ts->clock = clock;
1134 ts->cb = cb;
1135 ts->opaque = opaque;
1136 return ts;
1137}
1138
1139void qemu_free_timer(QEMUTimer *ts)
1140{
1141 qemu_free(ts);
1142}
1143
1144/* stop a timer, but do not dealloc it */
1145void qemu_del_timer(QEMUTimer *ts)
1146{
1147 QEMUTimer **pt, *t;
1148
1149 /* NOTE: this code must be signal safe because
1150 qemu_timer_expired() can be called from a signal. */
1151 pt = &active_timers[ts->clock->type];
1152 for(;;) {
1153 t = *pt;
1154 if (!t)
1155 break;
1156 if (t == ts) {
1157 *pt = t->next;
1158 break;
1159 }
1160 pt = &t->next;
1161 }
1162}
1163
1164/* modify the current timer so that it will be fired when current_time
1165 >= expire_time. The corresponding callback will be called. */
1166void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
1167{
1168 QEMUTimer **pt, *t;
1169
1170 qemu_del_timer(ts);
1171
1172 /* add the timer in the sorted list */
1173 /* NOTE: this code must be signal safe because
1174 qemu_timer_expired() can be called from a signal. */
1175 pt = &active_timers[ts->clock->type];
1176 for(;;) {
1177 t = *pt;
1178 if (!t)
1179 break;
5fafdf24 1180 if (t->expire_time > expire_time)
8a7ddc38
FB		 1181 break;
1182 pt = &t->next;
1183 }
1184 ts->expire_time = expire_time;
1185 ts->next = *pt;
1186 *pt = ts;
d5d08334
AZ		 1187
1188 /* Rearm if necessary */
2e70f6ef
PB		 1189 if (pt == &active_timers[ts->clock->type]) {
1190 if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) {
1191 qemu_rearm_alarm_timer(alarm_timer);
1192 }
1193 /* Interrupt execution to force deadline recalculation. */
d9f75a4e
AL		 1194 if (use_icount)
1195 qemu_notify_event();
2e70f6ef 1196 }
8a7ddc38
FB		 1197}
1198
1199int qemu_timer_pending(QEMUTimer *ts)
1200{
1201 QEMUTimer *t;
1202 for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
1203 if (t == ts)
1204 return 1;
1205 }
1206 return 0;
1207}
1208
1209static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
1210{
1211 if (!timer_head)
1212 return 0;
1213 return (timer_head->expire_time <= current_time);
1214}
1215
1216static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
1217{
1218 QEMUTimer *ts;
3b46e624 1219
8a7ddc38
FB		 1220 for(;;) {
1221 ts = *ptimer_head;
e95c8d51 1222 if (!ts || ts->expire_time > current_time)
8a7ddc38
FB		 1223 break;
1224 /* remove timer from the list before calling the callback */
1225 *ptimer_head = ts->next;
1226 ts->next = NULL;
3b46e624 1227
8a7ddc38
FB		 1228 /* run the callback (the timer list can be modified) */
1229 ts->cb(ts->opaque);
1230 }
1231}
1232
1233int64_t qemu_get_clock(QEMUClock *clock)
1234{
1235 switch(clock->type) {
1236 case QEMU_TIMER_REALTIME:
1dce7c3c 1237 return get_clock() / 1000000;
8a7ddc38
FB		 1238 default:
1239 case QEMU_TIMER_VIRTUAL:
2e70f6ef
PB		 1240 if (use_icount) {
1241 return cpu_get_icount();
1242 } else {
1243 return cpu_get_clock();
1244 }
8a7ddc38
FB		 1245 }
1246}
1247
1dce7c3c
FB		 1248static void init_timers(void)
1249{
1250 init_get_clock();
1251 ticks_per_sec = QEMU_TIMER_BASE;
1252 rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
1253 vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
1254}
1255
8a7ddc38
FB		 1256/* save a timer */
1257void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
1258{
1259 uint64_t expire_time;
1260
1261 if (qemu_timer_pending(ts)) {
1262 expire_time = ts->expire_time;
1263 } else {
1264 expire_time = -1;
1265 }
1266 qemu_put_be64(f, expire_time);
1267}
1268
1269void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
1270{
1271 uint64_t expire_time;
1272
1273 expire_time = qemu_get_be64(f);
1274 if (expire_time != -1) {
1275 qemu_mod_timer(ts, expire_time);
1276 } else {
1277 qemu_del_timer(ts);
1278 }
1279}
1280
1281static void timer_save(QEMUFile *f, void *opaque)
1282{
1283 if (cpu_ticks_enabled) {
1284 hw_error("cannot save state if virtual timers are running");
1285 }
bee8d684
TS		 1286 qemu_put_be64(f, cpu_ticks_offset);
1287 qemu_put_be64(f, ticks_per_sec);
1288 qemu_put_be64(f, cpu_clock_offset);
8a7ddc38
FB		 1289}
1290
1291static int timer_load(QEMUFile *f, void *opaque, int version_id)
1292{
c88676f8 1293 if (version_id != 1 && version_id != 2)
8a7ddc38
FB		 1294 return -EINVAL;
1295 if (cpu_ticks_enabled) {
1296 return -EINVAL;
1297 }
bee8d684
TS		 1298 cpu_ticks_offset=qemu_get_be64(f);
1299 ticks_per_sec=qemu_get_be64(f);
c88676f8 1300 if (version_id == 2) {
bee8d684 1301 cpu_clock_offset=qemu_get_be64(f);
c88676f8 1302 }
8a7ddc38
FB		 1303 return 0;
1304}
1305
50317c7f
AL		 1306static void qemu_event_increment(void);
1307
67b915a5 1308#ifdef _WIN32
b9e82a59
BS		 1309static void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
1310 DWORD_PTR dwUser, DWORD_PTR dw1,
1311 DWORD_PTR dw2)
67b915a5 1312#else
8a7ddc38 1313static void host_alarm_handler(int host_signum)
67b915a5 1314#endif
8a7ddc38 1315{
02ba45c5
FB		 1316#if 0
1317#define DISP_FREQ 1000
1318 {
1319 static int64_t delta_min = INT64_MAX;
1320 static int64_t delta_max, delta_cum, last_clock, delta, ti;
1321 static int count;
1322 ti = qemu_get_clock(vm_clock);
1323 if (last_clock != 0) {
1324 delta = ti - last_clock;
1325 if (delta < delta_min)
1326 delta_min = delta;
1327 if (delta > delta_max)
1328 delta_max = delta;
1329 delta_cum += delta;
1330 if (++count == DISP_FREQ) {
26a76461 1331 printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
02ba45c5
FB		 1332 muldiv64(delta_min, 1000000, ticks_per_sec),
1333 muldiv64(delta_max, 1000000, ticks_per_sec),
1334 muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
1335 (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
1336 count = 0;
1337 delta_min = INT64_MAX;
1338 delta_max = 0;
1339 delta_cum = 0;
1340 }
1341 }
1342 last_clock = ti;
1343 }
1344#endif
efe75411 1345 if (alarm_has_dynticks(alarm_timer) ||
2e70f6ef
PB		 1346 (!use_icount &&
1347 qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
1348 qemu_get_clock(vm_clock))) ||
8a7ddc38
FB		 1349 qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
1350 qemu_get_clock(rt_clock))) {
50317c7f 1351 qemu_event_increment();
e332340a 1352 if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED;
d5d08334 1353
d6dc3d42
AL		 1354#ifndef CONFIG_IOTHREAD
1355 if (next_cpu) {
4f8eb8da 1356 /* stop the currently executing cpu because a timer occured */
d6dc3d42 1357 cpu_exit(next_cpu);
640f42e4 1358#ifdef CONFIG_KQEMU
d6dc3d42
AL		 1359 if (next_cpu->kqemu_enabled) {
1360 kqemu_cpu_interrupt(next_cpu);
4f8eb8da 1361 }
ee5605e5 1362#endif
4f8eb8da 1363 }
d6dc3d42 1364#endif
43b96858 1365 timer_alarm_pending = 1;
d9f75a4e 1366 qemu_notify_event();
8a7ddc38
FB		 1367 }
1368}
1369
2e70f6ef 1370static int64_t qemu_next_deadline(void)
efe75411 1371{
2e70f6ef 1372 int64_t delta;
efe75411
TS		 1373
1374 if (active_timers[QEMU_TIMER_VIRTUAL]) {
2e70f6ef
PB		 1375 delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time -
1376 qemu_get_clock(vm_clock);
1377 } else {
1378 /* To avoid problems with overflow limit this to 2^32. */
1379 delta = INT32_MAX;
efe75411
TS		 1380 }
1381
2e70f6ef
PB		 1382 if (delta < 0)
1383 delta = 0;
efe75411 1384
2e70f6ef
PB		 1385 return delta;
1386}
1387
8632fb9a 1388#if defined(__linux__) || defined(_WIN32)
2e70f6ef
PB		 1389static uint64_t qemu_next_deadline_dyntick(void)
1390{
1391 int64_t delta;
1392 int64_t rtdelta;
1393
1394 if (use_icount)
1395 delta = INT32_MAX;
1396 else
1397 delta = (qemu_next_deadline() + 999) / 1000;
1398
1399 if (active_timers[QEMU_TIMER_REALTIME]) {
1400 rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time -
1401 qemu_get_clock(rt_clock))*1000;
1402 if (rtdelta < delta)
1403 delta = rtdelta;
1404 }
1405
1406 if (delta < MIN_TIMER_REARM_US)
1407 delta = MIN_TIMER_REARM_US;
1408
1409 return delta;
efe75411 1410}
8632fb9a 1411#endif
efe75411 1412
fd872598
FB		 1413#ifndef _WIN32
1414
7183b4b4
AL		 1415/* Sets a specific flag */
1416static int fcntl_setfl(int fd, int flag)
1417{
1418 int flags;
1419
1420 flags = fcntl(fd, F_GETFL);
1421 if (flags == -1)
1422 return -errno;
1423
1424 if (fcntl(fd, F_SETFL, flags | flag) == -1)
1425 return -errno;
1426
1427 return 0;
1428}
1429
829309c7
FB		 1430#if defined(__linux__)
1431
fd872598
FB		 1432#define RTC_FREQ 1024
1433
de9a95f0 1434static void enable_sigio_timer(int fd)
c8994013
TS		 1435{
1436 struct sigaction act;
1437
1438 /* timer signal */
1439 sigfillset(&act.sa_mask);
1440 act.sa_flags = 0;
c8994013
TS		 1441 act.sa_handler = host_alarm_handler;
1442
1443 sigaction(SIGIO, &act, NULL);
7183b4b4 1444 fcntl_setfl(fd, O_ASYNC);
c8994013
TS		 1445 fcntl(fd, F_SETOWN, getpid());
1446}
829309c7 1447
c40ec5a9
TS		 1448static int hpet_start_timer(struct qemu_alarm_timer *t)
1449{
1450 struct hpet_info info;
1451 int r, fd;
1452
1453 fd = open("/dev/hpet", O_RDONLY);
1454 if (fd < 0)
1455 return -1;
1456
1457 /* Set frequency */
1458 r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ);
1459 if (r < 0) {
1460 fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n"
1461 "error, but for better emulation accuracy type:\n"
1462 "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n");
1463 goto fail;
1464 }
1465
1466 /* Check capabilities */
1467 r = ioctl(fd, HPET_INFO, &info);
1468 if (r < 0)
1469 goto fail;
1470
1471 /* Enable periodic mode */
1472 r = ioctl(fd, HPET_EPI, 0);
1473 if (info.hi_flags && (r < 0))
1474 goto fail;
1475
1476 /* Enable interrupt */
1477 r = ioctl(fd, HPET_IE_ON, 0);
1478 if (r < 0)
1479 goto fail;
1480
1481 enable_sigio_timer(fd);
fcdc2129 1482 t->priv = (void *)(long)fd;
c40ec5a9
TS		 1483
1484 return 0;
1485fail:
1486 close(fd);
1487 return -1;
1488}
1489
1490static void hpet_stop_timer(struct qemu_alarm_timer *t)
1491{
fcdc2129 1492 int fd = (long)t->priv;
c40ec5a9
TS		 1493
1494 close(fd);
1495}
1496
c8994013 1497static int rtc_start_timer(struct qemu_alarm_timer *t)
fd872598 1498{
c8994013 1499 int rtc_fd;
b5a23ad4 1500 unsigned long current_rtc_freq = 0;
c8994013 1501
aeb30be6 1502 TFR(rtc_fd = open("/dev/rtc", O_RDONLY));
fd872598
FB		 1503 if (rtc_fd < 0)
1504 return -1;
b5a23ad4
AZ		 1505 ioctl(rtc_fd, RTC_IRQP_READ, &current_rtc_freq);
1506 if (current_rtc_freq != RTC_FREQ &&
1507 ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
fd872598
FB		 1508 fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
1509 "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
1510 "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
1511 goto fail;
1512 }
1513 if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
1514 fail:
1515 close(rtc_fd);
1516 return -1;
1517 }
c8994013
TS		 1518
1519 enable_sigio_timer(rtc_fd);
1520
fcdc2129 1521 t->priv = (void *)(long)rtc_fd;
c8994013 1522
fd872598
FB		 1523 return 0;
1524}
1525
c8994013 1526static void rtc_stop_timer(struct qemu_alarm_timer *t)
829309c7 1527{
fcdc2129 1528 int rtc_fd = (long)t->priv;
c8994013
TS		 1529
1530 close(rtc_fd);
829309c7
FB		 1531}
1532
efe75411
TS		 1533static int dynticks_start_timer(struct qemu_alarm_timer *t)
1534{
1535 struct sigevent ev;
1536 timer_t host_timer;
1537 struct sigaction act;
1538
1539 sigfillset(&act.sa_mask);
1540 act.sa_flags = 0;
efe75411
TS		 1541 act.sa_handler = host_alarm_handler;
1542
1543 sigaction(SIGALRM, &act, NULL);
1544
9ed415b2
JCD		 1545 /*
1546 * Initialize ev struct to 0 to avoid valgrind complaining
1547 * about uninitialized data in timer_create call
1548 */
1549 memset(&ev, 0, sizeof(ev));
efe75411
TS		 1550 ev.sigev_value.sival_int = 0;
1551 ev.sigev_notify = SIGEV_SIGNAL;
1552 ev.sigev_signo = SIGALRM;
1553
1554 if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
1555 perror("timer_create");
1556
1557 /* disable dynticks */
1558 fprintf(stderr, "Dynamic Ticks disabled\n");
1559
1560 return -1;
1561 }
1562
0399bfe0 1563 t->priv = (void *)(long)host_timer;
efe75411
TS		 1564
1565 return 0;
1566}
1567
1568static void dynticks_stop_timer(struct qemu_alarm_timer *t)
1569{
0399bfe0 1570 timer_t host_timer = (timer_t)(long)t->priv;
efe75411
TS		 1571
1572 timer_delete(host_timer);
1573}
1574
1575static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
1576{
0399bfe0 1577 timer_t host_timer = (timer_t)(long)t->priv;
efe75411
TS		 1578 struct itimerspec timeout;
1579 int64_t nearest_delta_us = INT64_MAX;
1580 int64_t current_us;
1581
1582 if (!active_timers[QEMU_TIMER_REALTIME] &&
1583 !active_timers[QEMU_TIMER_VIRTUAL])
d5d08334 1584 return;
efe75411 1585
2e70f6ef 1586 nearest_delta_us = qemu_next_deadline_dyntick();
efe75411
TS		 1587
1588 /* check whether a timer is already running */
1589 if (timer_gettime(host_timer, &timeout)) {
1590 perror("gettime");
1591 fprintf(stderr, "Internal timer error: aborting\n");
1592 exit(1);
1593 }
1594 current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000;
1595 if (current_us && current_us <= nearest_delta_us)
1596 return;
1597
1598 timeout.it_interval.tv_sec = 0;
1599 timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */
1600 timeout.it_value.tv_sec = nearest_delta_us / 1000000;
1601 timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000;
1602 if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) {
1603 perror("settime");
1604 fprintf(stderr, "Internal timer error: aborting\n");
1605 exit(1);
1606 }
1607}
1608
70744b3a 1609#endif /* defined(__linux__) */
231c6586 1610
c8994013
TS		 1611static int unix_start_timer(struct qemu_alarm_timer *t)
1612{
1613 struct sigaction act;
1614 struct itimerval itv;
1615 int err;
1616
1617 /* timer signal */
1618 sigfillset(&act.sa_mask);
1619 act.sa_flags = 0;
c8994013
TS		 1620 act.sa_handler = host_alarm_handler;
1621
1622 sigaction(SIGALRM, &act, NULL);
1623
1624 itv.it_interval.tv_sec = 0;
1625 /* for i386 kernel 2.6 to get 1 ms */
1626 itv.it_interval.tv_usec = 999;
1627 itv.it_value.tv_sec = 0;
1628 itv.it_value.tv_usec = 10 * 1000;
1629
1630 err = setitimer(ITIMER_REAL, &itv, NULL);
1631 if (err)
1632 return -1;
1633
1634 return 0;
1635}
1636
1637static void unix_stop_timer(struct qemu_alarm_timer *t)
1638{
1639 struct itimerval itv;
1640
1641 memset(&itv, 0, sizeof(itv));
1642 setitimer(ITIMER_REAL, &itv, NULL);
1643}
1644
829309c7 1645#endif /* !defined(_WIN32) */
fd872598 1646
f49e58dc 1647
c8994013
TS		 1648#ifdef _WIN32
1649
1650static int win32_start_timer(struct qemu_alarm_timer *t)
1651{
1652 TIMECAPS tc;
1653 struct qemu_alarm_win32 *data = t->priv;
efe75411 1654 UINT flags;
c8994013 1655
c8994013
TS		 1656 memset(&tc, 0, sizeof(tc));
1657 timeGetDevCaps(&tc, sizeof(tc));
1658
1659 if (data->period < tc.wPeriodMin)
1660 data->period = tc.wPeriodMin;
1661
1662 timeBeginPeriod(data->period);
1663
efe75411
TS		 1664 flags = TIME_CALLBACK_FUNCTION;
1665 if (alarm_has_dynticks(t))
1666 flags |= TIME_ONESHOT;
1667 else
1668 flags |= TIME_PERIODIC;
1669
c8994013
TS		 1670 data->timerId = timeSetEvent(1, // interval (ms)
1671 data->period, // resolution
1672 host_alarm_handler, // function
1673 (DWORD)t, // parameter
efe75411 1674 flags);
c8994013
TS		 1675
1676 if (!data->timerId) {
1677 perror("Failed to initialize win32 alarm timer");
c8994013 1678 timeEndPeriod(data->period);
c8994013
TS		 1679 return -1;
1680 }
1681
c8994013
TS		 1682 return 0;
1683}
1684
1685static void win32_stop_timer(struct qemu_alarm_timer *t)
1686{
1687 struct qemu_alarm_win32 *data = t->priv;
1688
1689 timeKillEvent(data->timerId);
1690 timeEndPeriod(data->period);
c8994013
TS		 1691}
1692
efe75411
TS		 1693static void win32_rearm_timer(struct qemu_alarm_timer *t)
1694{
1695 struct qemu_alarm_win32 *data = t->priv;
1696 uint64_t nearest_delta_us;
1697
1698 if (!active_timers[QEMU_TIMER_REALTIME] &&
1699 !active_timers[QEMU_TIMER_VIRTUAL])
d5d08334 1700 return;
efe75411 1701
2e70f6ef 1702 nearest_delta_us = qemu_next_deadline_dyntick();
efe75411
TS		 1703 nearest_delta_us /= 1000;
1704
1705 timeKillEvent(data->timerId);
1706
1707 data->timerId = timeSetEvent(1,
1708 data->period,
1709 host_alarm_handler,
1710 (DWORD)t,
1711 TIME_ONESHOT | TIME_PERIODIC);
1712
1713 if (!data->timerId) {
1714 perror("Failed to re-arm win32 alarm timer");
1715
1716 timeEndPeriod(data->period);
efe75411
TS		 1717 exit(1);
1718 }
1719}
1720
c8994013
TS		 1721#endif /* _WIN32 */
1722
7183b4b4 1723static int init_timer_alarm(void)
8a7ddc38 1724{
223f0d72 1725 struct qemu_alarm_timer *t = NULL;
c8994013 1726 int i, err = -1;
f49e58dc 1727
c8994013
TS		 1728 for (i = 0; alarm_timers[i].name; i++) {
1729 t = &alarm_timers[i];
1730
c8994013
TS		 1731 err = t->start(t);
1732 if (!err)
1733 break;
67b915a5 1734 }
fd872598 1735
c8994013 1736 if (err) {
7183b4b4
AL		 1737 err = -ENOENT;
1738 goto fail;
67b915a5 1739 }
c8994013
TS		 1740
1741 alarm_timer = t;
7183b4b4 1742
6abfbd79 1743 return 0;
7183b4b4
AL		 1744
1745fail:
7183b4b4 1746 return err;
8a7ddc38
FB		 1747}
1748
9596ebb7 1749static void quit_timers(void)
40c3bac3 1750{
c8994013
TS		 1751 alarm_timer->stop(alarm_timer);
1752 alarm_timer = NULL;
40c3bac3
FB		 1753}
1754
f6503059
AZ		 1755/***********************************************************/
1756/* host time/date access */
1757void qemu_get_timedate(struct tm *tm, int offset)
1758{
1759 time_t ti;
1760 struct tm *ret;
1761
1762 time(&ti);
1763 ti += offset;
1764 if (rtc_date_offset == -1) {
1765 if (rtc_utc)
1766 ret = gmtime(&ti);
1767 else
1768 ret = localtime(&ti);
1769 } else {
1770 ti -= rtc_date_offset;
1771 ret = gmtime(&ti);
1772 }
1773
1774 memcpy(tm, ret, sizeof(struct tm));
1775}
1776
1777int qemu_timedate_diff(struct tm *tm)
1778{
1779 time_t seconds;
1780
1781 if (rtc_date_offset == -1)
1782 if (rtc_utc)
1783 seconds = mktimegm(tm);
1784 else
1785 seconds = mktime(tm);
1786 else
1787 seconds = mktimegm(tm) + rtc_date_offset;
1788
1789 return seconds - time(NULL);
1790}
1791
fd1dff4b 1792#ifdef _WIN32
fd1dff4b
FB		 1793static void socket_cleanup(void)
1794{
1795 WSACleanup();
1796}
82c643ff 1797
fd1dff4b
FB		 1798static int socket_init(void)
1799{
1800 WSADATA Data;
1801 int ret, err;
1802
1803 ret = WSAStartup(MAKEWORD(2,2), &Data);
1804 if (ret != 0) {
1805 err = WSAGetLastError();
1806 fprintf(stderr, "WSAStartup: %d\n", err);
1807 return -1;
1808 }
1809 atexit(socket_cleanup);
1810 return 0;
1811}
64b7b733
AJ		 1812#endif
1813
63a01ef8
AL		 1814int get_param_value(char *buf, int buf_size,
1815 const char *tag, const char *str)
7c9d8e07
FB		 1816{
1817 const char *p;
7c9d8e07
FB		 1818 char option[128];
1819
1820 p = str;
1821 for(;;) {
268a362c 1822 p = get_opt_name(option, sizeof(option), p, '=');
7c9d8e07
FB		 1823 if (*p != '=')
1824 break;
1825 p++;
1826 if (!strcmp(tag, option)) {
609497ab 1827 (void)get_opt_value(buf, buf_size, p);
e4bcb14c 1828 return strlen(buf);
7c9d8e07 1829 } else {
609497ab 1830 p = get_opt_value(NULL, 0, p);
7c9d8e07
FB		 1831 }
1832 if (*p != ',')
1833 break;
1834 p++;
1835 }
1836 return 0;
1837}
1838
0aa7a205
JK		 1839int check_params(char *buf, int buf_size,
1840 const char * const *params, const char *str)
e4bcb14c
TS		 1841{
1842 const char *p;
0aa7a205 1843 int i;
e4bcb14c
TS		 1844
1845 p = str;
10300216 1846 while (*p != '\0') {
0aa7a205 1847 p = get_opt_name(buf, buf_size, p, '=');
ffad4116 1848 if (*p != '=') {
0aa7a205 1849 return -1;
ffad4116 1850 }
e4bcb14c 1851 p++;
0aa7a205
JK		 1852 for (i = 0; params[i] != NULL; i++) {
1853 if (!strcmp(params[i], buf)) {
e4bcb14c 1854 break;
0aa7a205
JK		 1855 }
1856 }
ffad4116 1857 if (params[i] == NULL) {
0aa7a205 1858 return -1;
ffad4116 1859 }
609497ab 1860 p = get_opt_value(NULL, 0, p);
0aa7a205 1861 if (*p != ',') {
e4bcb14c 1862 break;
0aa7a205 1863 }
e4bcb14c
TS		 1864 p++;
1865 }
0aa7a205 1866 return 0;
e4bcb14c
TS		 1867}
1868
1ae26a18
AZ		 1869/***********************************************************/
1870/* Bluetooth support */
1871static int nb_hcis;
1872static int cur_hci;
1873static struct HCIInfo *hci_table[MAX_NICS];
dc72ac14 1874
1ae26a18
AZ		 1875static struct bt_vlan_s {
1876 struct bt_scatternet_s net;
1877 int id;
1878 struct bt_vlan_s *next;
1879} *first_bt_vlan;
1880
1881/* find or alloc a new bluetooth "VLAN" */
674bb261 1882static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
1ae26a18
AZ		 1883{
1884 struct bt_vlan_s **pvlan, *vlan;
1885 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
1886 if (vlan->id == id)
1887 return &vlan->net;
1888 }
1889 vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
1890 vlan->id = id;
1891 pvlan = &first_bt_vlan;
1892 while (*pvlan != NULL)
1893 pvlan = &(*pvlan)->next;
1894 *pvlan = vlan;
1895 return &vlan->net;
1896}
1897
1898static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
1899{
1900}
1901
1902static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
1903{
1904 return -ENOTSUP;
1905}
1906
1907static struct HCIInfo null_hci = {
1908 .cmd_send = null_hci_send,
1909 .sco_send = null_hci_send,
1910 .acl_send = null_hci_send,
1911 .bdaddr_set = null_hci_addr_set,
1912};
1913
1914struct HCIInfo *qemu_next_hci(void)
1915{
1916 if (cur_hci == nb_hcis)
1917 return &null_hci;
1918
1919 return hci_table[cur_hci++];
1920}
1921
dc72ac14
AZ		 1922static struct HCIInfo *hci_init(const char *str)
1923{
1924 char *endp;
1925 struct bt_scatternet_s *vlan = 0;
1926
1927 if (!strcmp(str, "null"))
1928 /* null */
1929 return &null_hci;
1930 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
1931 /* host[:hciN] */
1932 return bt_host_hci(str[4] ? str + 5 : "hci0");
1933 else if (!strncmp(str, "hci", 3)) {
1934 /* hci[,vlan=n] */
1935 if (str[3]) {
1936 if (!strncmp(str + 3, ",vlan=", 6)) {
1937 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
1938 if (*endp)
1939 vlan = 0;
1940 }
1941 } else
1942 vlan = qemu_find_bt_vlan(0);
1943 if (vlan)
1944 return bt_new_hci(vlan);
1945 }
1946
1947 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
1948
1949 return 0;
1950}
1951
1952static int bt_hci_parse(const char *str)
1953{
1954 struct HCIInfo *hci;
1955 bdaddr_t bdaddr;
1956
1957 if (nb_hcis >= MAX_NICS) {
1958 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
1959 return -1;
1960 }
1961
1962 hci = hci_init(str);
1963 if (!hci)
1964 return -1;
1965
1966 bdaddr.b[0] = 0x52;
1967 bdaddr.b[1] = 0x54;
1968 bdaddr.b[2] = 0x00;
1969 bdaddr.b[3] = 0x12;
1970 bdaddr.b[4] = 0x34;
1971 bdaddr.b[5] = 0x56 + nb_hcis;
1972 hci->bdaddr_set(hci, bdaddr.b);
1973
1974 hci_table[nb_hcis++] = hci;
1975
1976 return 0;
1977}
1978
1979static void bt_vhci_add(int vlan_id)
1980{
1981 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
1982
1983 if (!vlan->slave)
1984 fprintf(stderr, "qemu: warning: adding a VHCI to "
1985 "an empty scatternet %i\n", vlan_id);
1986
1987 bt_vhci_init(bt_new_hci(vlan));
1988}
1989
1990static struct bt_device_s *bt_device_add(const char *opt)
1991{
1992 struct bt_scatternet_s *vlan;
1993 int vlan_id = 0;
1994 char *endp = strstr(opt, ",vlan=");
1995 int len = (endp ? endp - opt : strlen(opt)) + 1;
1996 char devname[10];
1997
1998 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1999
2000 if (endp) {
2001 vlan_id = strtol(endp + 6, &endp, 0);
2002 if (*endp) {
2003 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
2004 return 0;
2005 }
2006 }
2007
2008 vlan = qemu_find_bt_vlan(vlan_id);
2009
2010 if (!vlan->slave)
2011 fprintf(stderr, "qemu: warning: adding a slave device to "
2012 "an empty scatternet %i\n", vlan_id);
2013
2014 if (!strcmp(devname, "keyboard"))
2015 return bt_keyboard_init(vlan);
2016
2017 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
2018 return 0;
2019}
2020
2021static int bt_parse(const char *opt)
2022{
2023 const char *endp, *p;
2024 int vlan;
2025
2026 if (strstart(opt, "hci", &endp)) {
2027 if (!*endp || *endp == ',') {
2028 if (*endp)
2029 if (!strstart(endp, ",vlan=", 0))
2030 opt = endp + 1;
2031
2032 return bt_hci_parse(opt);
2033 }
2034 } else if (strstart(opt, "vhci", &endp)) {
2035 if (!*endp || *endp == ',') {
2036 if (*endp) {
2037 if (strstart(endp, ",vlan=", &p)) {
2038 vlan = strtol(p, (char **) &endp, 0);
2039 if (*endp) {
2040 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
2041 return 1;
2042 }
2043 } else {
2044 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
2045 return 1;
2046 }
2047 } else
2048 vlan = 0;
2049
2050 bt_vhci_add(vlan);
2051 return 0;
2052 }
2053 } else if (strstart(opt, "device:", &endp))
2054 return !bt_device_add(endp);
2055
2056 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
2057 return 1;
2058}
2059
1ae26a18
AZ		 2060/***********************************************************/
2061/* QEMU Block devices */
2062
609497ab 2063#define HD_ALIAS "index=%d,media=disk"
e4bcb14c 2064#define CDROM_ALIAS "index=2,media=cdrom"
e4bcb14c 2065#define FD_ALIAS "index=%d,if=floppy"
609497ab
AZ		 2066#define PFLASH_ALIAS "if=pflash"
2067#define MTD_ALIAS "if=mtd"
9d413d1d 2068#define SD_ALIAS "index=0,if=sd"
e4bcb14c 2069
7d5aca9e
AL		 2070static int drive_opt_get_free_idx(void)
2071{
2072 int index;
2073
2074 for (index = 0; index < MAX_DRIVES; index++)
2075 if (!drives_opt[index].used) {
2076 drives_opt[index].used = 1;
2077 return index;
2078 }
2079
2080 return -1;
2081}
2082
2083static int drive_get_free_idx(void)
2084{
2085 int index;
2086
2087 for (index = 0; index < MAX_DRIVES; index++)
2088 if (!drives_table[index].used) {
2089 drives_table[index].used = 1;
2090 return index;
2091 }
2092
2093 return -1;
2094}
2095
4d73cd3b 2096int drive_add(const char *file, const char *fmt, ...)
e4bcb14c
TS		 2097{
2098 va_list ap;
7d5aca9e 2099 int index = drive_opt_get_free_idx();
e4bcb14c 2100
7d5aca9e 2101 if (nb_drives_opt >= MAX_DRIVES || index == -1) {
e4bcb14c 2102 fprintf(stderr, "qemu: too many drives\n");
4d73cd3b 2103 return -1;
e4bcb14c
TS		 2104 }
2105
7d5aca9e 2106 drives_opt[index].file = file;
e4bcb14c 2107 va_start(ap, fmt);
7d5aca9e 2108 vsnprintf(drives_opt[index].opt,
609497ab 2109 sizeof(drives_opt[0].opt), fmt, ap);
e4bcb14c
TS		 2110 va_end(ap);
2111
7d5aca9e
AL		 2112 nb_drives_opt++;
2113 return index;
e4bcb14c
TS		 2114}
2115
b01b1111
AL		 2116void drive_remove(int index)
2117{
2118 drives_opt[index].used = 0;
2119 nb_drives_opt--;
2120}
2121
f60d39bc 2122int drive_get_index(BlockInterfaceType type, int bus, int unit)
e4bcb14c
TS		 2123{
2124 int index;
2125
2126 /* seek interface, bus and unit */
2127
7d5aca9e 2128 for (index = 0; index < MAX_DRIVES; index++)
f60d39bc 2129 if (drives_table[index].type == type &&
e4bcb14c 2130 drives_table[index].bus == bus &&
7d5aca9e
AL		 2131 drives_table[index].unit == unit &&
2132 drives_table[index].used)
e4bcb14c
TS		 2133 return index;
2134
2135 return -1;
2136}
2137
f60d39bc 2138int drive_get_max_bus(BlockInterfaceType type)
e4bcb14c
TS		 2139{
2140 int max_bus;
2141 int index;
2142
2143 max_bus = -1;
2144 for (index = 0; index < nb_drives; index++) {
f60d39bc 2145 if(drives_table[index].type == type &&
e4bcb14c
TS		 2146 drives_table[index].bus > max_bus)
2147 max_bus = drives_table[index].bus;
2148 }
2149 return max_bus;
2150}
2151
fa879c64
AL		 2152const char *drive_get_serial(BlockDriverState *bdrv)
2153{
2154 int index;
2155
2156 for (index = 0; index < nb_drives; index++)
2157 if (drives_table[index].bdrv == bdrv)
2158 return drives_table[index].serial;
2159
2160 return "\0";
2161}
2162
428c5705
AL		 2163BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv)
2164{
2165 int index;
2166
2167 for (index = 0; index < nb_drives; index++)
2168 if (drives_table[index].bdrv == bdrv)
2169 return drives_table[index].onerror;
2170
cdad4bd8 2171 return BLOCK_ERR_STOP_ENOSPC;
428c5705
AL		 2172}
2173
a1620fac
AJ		 2174static void bdrv_format_print(void *opaque, const char *name)
2175{
2176 fprintf(stderr, " %s", name);
2177}
2178
b01b1111
AL		 2179void drive_uninit(BlockDriverState *bdrv)
2180{
2181 int i;
2182
2183 for (i = 0; i < MAX_DRIVES; i++)
2184 if (drives_table[i].bdrv == bdrv) {
2185 drives_table[i].bdrv = NULL;
2186 drives_table[i].used = 0;
2187 drive_remove(drives_table[i].drive_opt_idx);
2188 nb_drives--;
2189 break;
2190 }
2191}
2192
4d73cd3b 2193int drive_init(struct drive_opt *arg, int snapshot, void *opaque)
e4bcb14c
TS		 2194{
2195 char buf[128];
2196 char file[1024];
c8522bdf 2197 char devname[128];
fa879c64 2198 char serial[21];
c8522bdf 2199 const char *mediastr = "";
f60d39bc 2200 BlockInterfaceType type;
e4bcb14c
TS		 2201 enum { MEDIA_DISK, MEDIA_CDROM } media;
2202 int bus_id, unit_id;
2203 int cyls, heads, secs, translation;
2204 BlockDriverState *bdrv;
1e72d3b7 2205 BlockDriver *drv = NULL;
4d73cd3b 2206 QEMUMachine *machine = opaque;
e4bcb14c
TS		 2207 int max_devs;
2208 int index;
33f00271 2209 int cache;
428c5705 2210 int bdrv_flags, onerror;
7d5aca9e 2211 int drives_table_idx;
609497ab 2212 char *str = arg->opt;
7ccfb2eb
BS		 2213 static const char * const params[] = { "bus", "unit", "if", "index",
2214 "cyls", "heads", "secs", "trans",
2215 "media", "snapshot", "file",
428c5705
AL		 2216 "cache", "format", "serial", "werror",
2217 NULL };
e4bcb14c 2218
0aa7a205 2219 if (check_params(buf, sizeof(buf), params, str) < 0) {
cda94b27
MM		 2220 fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n",
2221 buf, str);
e4bcb14c
TS		 2222 return -1;
2223 }
2224
2225 file[0] = 0;
2226 cyls = heads = secs = 0;
2227 bus_id = 0;
2228 unit_id = -1;
2229 translation = BIOS_ATA_TRANSLATION_AUTO;
2230 index = -1;
4dc822d7 2231 cache = 3;
e4bcb14c 2232
c9b1ae2c 2233 if (machine->use_scsi) {
f60d39bc 2234 type = IF_SCSI;
e4bcb14c 2235 max_devs = MAX_SCSI_DEVS;
363a37d5 2236 pstrcpy(devname, sizeof(devname), "scsi");
e4bcb14c 2237 } else {
f60d39bc 2238 type = IF_IDE;
e4bcb14c 2239 max_devs = MAX_IDE_DEVS;
363a37d5 2240 pstrcpy(devname, sizeof(devname), "ide");
e4bcb14c
TS		 2241 }
2242 media = MEDIA_DISK;
2243
2244 /* extract parameters */
2245
2246 if (get_param_value(buf, sizeof(buf), "bus", str)) {
2247 bus_id = strtol(buf, NULL, 0);
2248 if (bus_id < 0) {
2249 fprintf(stderr, "qemu: '%s' invalid bus id\n", str);
2250 return -1;
2251 }
2252 }
2253
2254 if (get_param_value(buf, sizeof(buf), "unit", str)) {
2255 unit_id = strtol(buf, NULL, 0);
2256 if (unit_id < 0) {
2257 fprintf(stderr, "qemu: '%s' invalid unit id\n", str);
2258 return -1;
2259 }
2260 }
2261
2262 if (get_param_value(buf, sizeof(buf), "if", str)) {
ae45d369 2263 pstrcpy(devname, sizeof(devname), buf);
e4bcb14c 2264 if (!strcmp(buf, "ide")) {
f60d39bc 2265 type = IF_IDE;
e4bcb14c
TS		 2266 max_devs = MAX_IDE_DEVS;
2267 } else if (!strcmp(buf, "scsi")) {
f60d39bc 2268 type = IF_SCSI;
e4bcb14c
TS		 2269 max_devs = MAX_SCSI_DEVS;
2270 } else if (!strcmp(buf, "floppy")) {
f60d39bc 2271 type = IF_FLOPPY;
e4bcb14c
TS		 2272 max_devs = 0;
2273 } else if (!strcmp(buf, "pflash")) {
f60d39bc 2274 type = IF_PFLASH;
e4bcb14c
TS		 2275 max_devs = 0;
2276 } else if (!strcmp(buf, "mtd")) {
f60d39bc 2277 type = IF_MTD;
e4bcb14c
TS		 2278 max_devs = 0;
2279 } else if (!strcmp(buf, "sd")) {
f60d39bc 2280 type = IF_SD;
e4bcb14c 2281 max_devs = 0;
6e02c38d
AL		 2282 } else if (!strcmp(buf, "virtio")) {
2283 type = IF_VIRTIO;
2284 max_devs = 0;
62d23efa
AL		 2285 } else if (!strcmp(buf, "xen")) {
2286 type = IF_XEN;
2287 max_devs = 0;
2288 } else {
e4bcb14c
TS		 2289 fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf);
2290 return -1;
2291 }
2292 }
2293
2294 if (get_param_value(buf, sizeof(buf), "index", str)) {
2295 index = strtol(buf, NULL, 0);
2296 if (index < 0) {
2297 fprintf(stderr, "qemu: '%s' invalid index\n", str);
2298 return -1;
2299 }
2300 }
2301
2302 if (get_param_value(buf, sizeof(buf), "cyls", str)) {
2303 cyls = strtol(buf, NULL, 0);
2304 }
2305
2306 if (get_param_value(buf, sizeof(buf), "heads", str)) {
2307 heads = strtol(buf, NULL, 0);
2308 }
2309
2310 if (get_param_value(buf, sizeof(buf), "secs", str)) {
2311 secs = strtol(buf, NULL, 0);
2312 }
2313
2314 if (cyls || heads || secs) {
2315 if (cyls < 1 || cyls > 16383) {
2316 fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str);
2317 return -1;
2318 }
2319 if (heads < 1 || heads > 16) {
2320 fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str);
2321 return -1;
2322 }
2323 if (secs < 1 || secs > 63) {
2324 fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str);
2325 return -1;
2326 }
2327 }
2328
2329 if (get_param_value(buf, sizeof(buf), "trans", str)) {
2330 if (!cyls) {
2331 fprintf(stderr,
2332 "qemu: '%s' trans must be used with cyls,heads and secs\n",
2333 str);
2334 return -1;
2335 }
2336 if (!strcmp(buf, "none"))
2337 translation = BIOS_ATA_TRANSLATION_NONE;
2338 else if (!strcmp(buf, "lba"))
2339 translation = BIOS_ATA_TRANSLATION_LBA;
2340 else if (!strcmp(buf, "auto"))
2341 translation = BIOS_ATA_TRANSLATION_AUTO;
2342 else {
2343 fprintf(stderr, "qemu: '%s' invalid translation type\n", str);
2344 return -1;
2345 }
2346 }
2347
2348 if (get_param_value(buf, sizeof(buf), "media", str)) {
2349 if (!strcmp(buf, "disk")) {
2350 media = MEDIA_DISK;
2351 } else if (!strcmp(buf, "cdrom")) {
2352 if (cyls || secs || heads) {
2353 fprintf(stderr,
2354 "qemu: '%s' invalid physical CHS format\n", str);
2355 return -1;
2356 }
2357 media = MEDIA_CDROM;
2358 } else {
2359 fprintf(stderr, "qemu: '%s' invalid media\n", str);
2360 return -1;
2361 }
2362 }
2363
2364 if (get_param_value(buf, sizeof(buf), "snapshot", str)) {
2365 if (!strcmp(buf, "on"))
2366 snapshot = 1;
2367 else if (!strcmp(buf, "off"))
2368 snapshot = 0;
2369 else {
2370 fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str);
2371 return -1;
2372 }
2373 }
2374
33f00271 2375 if (get_param_value(buf, sizeof(buf), "cache", str)) {
9f7965c7 2376 if (!strcmp(buf, "off") || !strcmp(buf, "none"))
33f00271 2377 cache = 0;
9f7965c7 2378 else if (!strcmp(buf, "writethrough"))
33f00271 2379 cache = 1;
9f7965c7
AL		 2380 else if (!strcmp(buf, "writeback"))
2381 cache = 2;
33f00271
AZ		 2382 else {
2383 fprintf(stderr, "qemu: invalid cache option\n");
2384 return -1;
2385 }
2386 }
2387
1e72d3b7 2388 if (get_param_value(buf, sizeof(buf), "format", str)) {
a1620fac
AJ		 2389 if (strcmp(buf, "?") == 0) {
2390 fprintf(stderr, "qemu: Supported formats:");
2391 bdrv_iterate_format(bdrv_format_print, NULL);
2392 fprintf(stderr, "\n");
2393 return -1;
2394 }
1e72d3b7
AJ		 2395 drv = bdrv_find_format(buf);
2396 if (!drv) {
2397 fprintf(stderr, "qemu: '%s' invalid format\n", buf);
2398 return -1;
2399 }
2400 }
2401
609497ab
AZ		 2402 if (arg->file == NULL)
2403 get_param_value(file, sizeof(file), "file", str);
2404 else
2405 pstrcpy(file, sizeof(file), arg->file);
e4bcb14c 2406
fa879c64
AL		 2407 if (!get_param_value(serial, sizeof(serial), "serial", str))
2408 memset(serial, 0, sizeof(serial));
2409
cdad4bd8 2410 onerror = BLOCK_ERR_STOP_ENOSPC;
428c5705 2411 if (get_param_value(buf, sizeof(serial), "werror", str)) {
869a5c6d 2412 if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
ea8a5d7f 2413 fprintf(stderr, "werror is no supported by this format\n");
428c5705
AL		 2414 return -1;
2415 }
2416 if (!strcmp(buf, "ignore"))
2417 onerror = BLOCK_ERR_IGNORE;
2418 else if (!strcmp(buf, "enospc"))
2419 onerror = BLOCK_ERR_STOP_ENOSPC;
2420 else if (!strcmp(buf, "stop"))
2421 onerror = BLOCK_ERR_STOP_ANY;
2422 else if (!strcmp(buf, "report"))
2423 onerror = BLOCK_ERR_REPORT;
2424 else {
2425 fprintf(stderr, "qemu: '%s' invalid write error action\n", buf);
2426 return -1;
2427 }
2428 }
2429
e4bcb14c
TS		 2430 /* compute bus and unit according index */
2431
2432 if (index != -1) {
2433 if (bus_id != 0 || unit_id != -1) {
2434 fprintf(stderr,
2435 "qemu: '%s' index cannot be used with bus and unit\n", str);
2436 return -1;
2437 }
2438 if (max_devs == 0)
2439 {
2440 unit_id = index;
2441 bus_id = 0;
2442 } else {
2443 unit_id = index % max_devs;
2444 bus_id = index / max_devs;
2445 }
2446 }
2447
2448 /* if user doesn't specify a unit_id,
2449 * try to find the first free
2450 */
2451
2452 if (unit_id == -1) {
2453 unit_id = 0;
f60d39bc 2454 while (drive_get_index(type, bus_id, unit_id) != -1) {
e4bcb14c
TS		 2455 unit_id++;
2456 if (max_devs && unit_id >= max_devs) {
2457 unit_id -= max_devs;
2458 bus_id++;
2459 }
2460 }
2461 }
2462
2463 /* check unit id */
2464
2465 if (max_devs && unit_id >= max_devs) {
2466 fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n",
2467 str, unit_id, max_devs - 1);
2468 return -1;
2469 }
2470
2471 /*
2472 * ignore multiple definitions
2473 */
2474
f60d39bc 2475 if (drive_get_index(type, bus_id, unit_id) != -1)
4d73cd3b 2476 return -2;
e4bcb14c
TS		 2477
2478 /* init */
2479
f60d39bc 2480 if (type == IF_IDE || type == IF_SCSI)
c8522bdf 2481 mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
e6198a70
AZ		 2482 if (max_devs)
2483 snprintf(buf, sizeof(buf), "%s%i%s%i",
2484 devname, bus_id, mediastr, unit_id);
2485 else
2486 snprintf(buf, sizeof(buf), "%s%s%i",
2487 devname, mediastr, unit_id);
e4bcb14c 2488 bdrv = bdrv_new(buf);
7d5aca9e
AL		 2489 drives_table_idx = drive_get_free_idx();
2490 drives_table[drives_table_idx].bdrv = bdrv;
2491 drives_table[drives_table_idx].type = type;
2492 drives_table[drives_table_idx].bus = bus_id;
2493 drives_table[drives_table_idx].unit = unit_id;
2494 drives_table[drives_table_idx].onerror = onerror;
b01b1111 2495 drives_table[drives_table_idx].drive_opt_idx = arg - drives_opt;
e6a6dfe4 2496 strncpy(drives_table[drives_table_idx].serial, serial, sizeof(serial));
e4bcb14c
TS		 2497 nb_drives++;
2498
f60d39bc 2499 switch(type) {
e4bcb14c
TS		 2500 case IF_IDE:
2501 case IF_SCSI:
62d23efa 2502 case IF_XEN:
e4bcb14c
TS		 2503 switch(media) {
2504 case MEDIA_DISK:
2505 if (cyls != 0) {
2506 bdrv_set_geometry_hint(bdrv, cyls, heads, secs);
2507 bdrv_set_translation_hint(bdrv, translation);
2508 }
2509 break;
2510 case MEDIA_CDROM:
2511 bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM);
2512 break;
2513 }
2514 break;
2515 case IF_SD:
2516 /* FIXME: This isn't really a floppy, but it's a reasonable
2517 approximation. */
2518 case IF_FLOPPY:
2519 bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY);
2520 break;
2521 case IF_PFLASH:
2522 case IF_MTD:
6e02c38d 2523 case IF_VIRTIO:
e4bcb14c 2524 break;
aae9460e
PB		 2525 case IF_COUNT:
2526 abort();
e4bcb14c
TS		 2527 }
2528 if (!file[0])
4d73cd3b 2529 return -2;
33f00271 2530 bdrv_flags = 0;
9f7965c7 2531 if (snapshot) {
33f00271 2532 bdrv_flags |= BDRV_O_SNAPSHOT;
9f7965c7
AL		 2533 cache = 2; /* always use write-back with snapshot */
2534 }
2535 if (cache == 0) /* no caching */
2536 bdrv_flags |= BDRV_O_NOCACHE;
2537 else if (cache == 2) /* write-back */
2538 bdrv_flags |= BDRV_O_CACHE_WB;
4dc822d7
AL		 2539 else if (cache == 3) /* not specified */
2540 bdrv_flags |= BDRV_O_CACHE_DEF;
c0f4ce77 2541 if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0) {
e4bcb14c
TS		 2542 fprintf(stderr, "qemu: could not open disk image %s\n",
2543 file);
2544 return -1;
2545 }
c0f4ce77
AL		 2546 if (bdrv_key_required(bdrv))
2547 autostart = 0;
4d73cd3b 2548 return drives_table_idx;
e4bcb14c
TS		 2549}
2550
268a362c
AL		 2551static void numa_add(const char *optarg)
2552{
2553 char option[128];
2554 char *endptr;
2555 unsigned long long value, endvalue;
2556 int nodenr;
2557
2558 optarg = get_opt_name(option, 128, optarg, ',') + 1;
2559 if (!strcmp(option, "node")) {
2560 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
2561 nodenr = nb_numa_nodes;
2562 } else {
2563 nodenr = strtoull(option, NULL, 10);
2564 }
2565
2566 if (get_param_value(option, 128, "mem", optarg) == 0) {
2567 node_mem[nodenr] = 0;
2568 } else {
2569 value = strtoull(option, &endptr, 0);
2570 switch (*endptr) {
2571 case 0: case 'M': case 'm':
2572 value <<= 20;
2573 break;
2574 case 'G': case 'g':
2575 value <<= 30;
2576 break;
2577 }
2578 node_mem[nodenr] = value;
2579 }
2580 if (get_param_value(option, 128, "cpus", optarg) == 0) {
2581 node_cpumask[nodenr] = 0;
2582 } else {
2583 value = strtoull(option, &endptr, 10);
2584 if (value >= 64) {
2585 value = 63;
2586 fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
2587 } else {
2588 if (*endptr == '-') {
2589 endvalue = strtoull(endptr+1, &endptr, 10);
2590 if (endvalue >= 63) {
2591 endvalue = 62;
2592 fprintf(stderr,
2593 "only 63 CPUs in NUMA mode supported.\n");
2594 }
2595 value = (1 << (endvalue + 1)) - (1 << value);
2596 } else {
2597 value = 1 << value;
2598 }
2599 }
2600 node_cpumask[nodenr] = value;
2601 }
2602 nb_numa_nodes++;
2603 }
2604 return;
2605}
2606
a594cfbf
FB		 2607/***********************************************************/
2608/* USB devices */
2609
0d92ed30
PB		 2610static USBPort *used_usb_ports;
2611static USBPort *free_usb_ports;
2612
2613/* ??? Maybe change this to register a hub to keep track of the topology. */
2614void qemu_register_usb_port(USBPort *port, void *opaque, int index,
2615 usb_attachfn attach)
2616{
2617 port->opaque = opaque;
2618 port->index = index;
2619 port->attach = attach;
2620 port->next = free_usb_ports;
2621 free_usb_ports = port;
2622}
2623
4b096fc9
AL		 2624int usb_device_add_dev(USBDevice *dev)
2625{
2626 USBPort *port;
2627
2628 /* Find a USB port to add the device to. */
2629 port = free_usb_ports;
2630 if (!port->next) {
2631 USBDevice *hub;
2632
2633 /* Create a new hub and chain it on. */
2634 free_usb_ports = NULL;
2635 port->next = used_usb_ports;
2636 used_usb_ports = port;
2637
2638 hub = usb_hub_init(VM_USB_HUB_SIZE);
2639 usb_attach(port, hub);
2640 port = free_usb_ports;
2641 }
2642
2643 free_usb_ports = port->next;
2644 port->next = used_usb_ports;
2645 used_usb_ports = port;
2646 usb_attach(port, dev);
2647 return 0;
2648}
2649
bb5fc20f
AL		 2650static void usb_msd_password_cb(void *opaque, int err)
2651{
2652 USBDevice *dev = opaque;
2653
2654 if (!err)
2655 usb_device_add_dev(dev);
2656 else
2657 dev->handle_destroy(dev);
2658}
2659
c0f4ce77 2660static int usb_device_add(const char *devname, int is_hotplug)
a594cfbf
FB		 2661{
2662 const char *p;
2663 USBDevice *dev;
a594cfbf 2664
0d92ed30 2665 if (!free_usb_ports)
a594cfbf
FB		 2666 return -1;
2667
2668 if (strstart(devname, "host:", &p)) {
2669 dev = usb_host_device_open(p);
a594cfbf
FB		 2670 } else if (!strcmp(devname, "mouse")) {
2671 dev = usb_mouse_init();
09b26c5e 2672 } else if (!strcmp(devname, "tablet")) {
47b2d338
AZ		 2673 dev = usb_tablet_init();
2674 } else if (!strcmp(devname, "keyboard")) {
2675 dev = usb_keyboard_init();
2e5d83bb 2676 } else if (strstart(devname, "disk:", &p)) {
c0f4ce77
AL		 2677 BlockDriverState *bs;
2678
bb5fc20f 2679 dev = usb_msd_init(p);
c0f4ce77
AL		 2680 if (!dev)
2681 return -1;
bb5fc20f 2682 bs = usb_msd_get_bdrv(dev);
c0f4ce77
AL		 2683 if (bdrv_key_required(bs)) {
2684 autostart = 0;
bb5fc20f 2685 if (is_hotplug) {
376253ec
AL		 2686 monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb,
2687 dev);
bb5fc20f 2688 return 0;
c0f4ce77
AL		 2689 }
2690 }
f6d2a316
AZ		 2691 } else if (!strcmp(devname, "wacom-tablet")) {
2692 dev = usb_wacom_init();
a7954218
AZ		 2693 } else if (strstart(devname, "serial:", &p)) {
2694 dev = usb_serial_init(p);
2e4d9fb1
AJ		 2695#ifdef CONFIG_BRLAPI
2696 } else if (!strcmp(devname, "braille")) {
2697 dev = usb_baum_init();
2698#endif
6c9f886c 2699 } else if (strstart(devname, "net:", &p)) {
9ad97e65 2700 int nic = nb_nics;
6c9f886c 2701
9ad97e65 2702 if (net_client_init("nic", p) < 0)
6c9f886c 2703 return -1;
9ad97e65
AZ		 2704 nd_table[nic].model = "usb";
2705 dev = usb_net_init(&nd_table[nic]);
dc72ac14
AZ		 2706 } else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
2707 dev = usb_bt_init(devname[2] ? hci_init(p) :
2708 bt_new_hci(qemu_find_bt_vlan(0)));
a594cfbf
FB		 2709 } else {
2710 return -1;
2711 }
0d92ed30
PB		 2712 if (!dev)
2713 return -1;
2714
4b096fc9 2715 return usb_device_add_dev(dev);
a594cfbf
FB		 2716}
2717
1f3870ab 2718int usb_device_del_addr(int bus_num, int addr)
a594cfbf 2719{
0d92ed30
PB		 2720 USBPort *port;
2721 USBPort **lastp;
059809e4 2722 USBDevice *dev;
a594cfbf 2723
0d92ed30 2724 if (!used_usb_ports)
a594cfbf
FB		 2725 return -1;
2726
a594cfbf
FB		 2727 if (bus_num != 0)
2728 return -1;
0d92ed30
PB		 2729
2730 lastp = &used_usb_ports;
2731 port = used_usb_ports;
2732 while (port && port->dev->addr != addr) {
2733 lastp = &port->next;
2734 port = port->next;
a594cfbf 2735 }
0d92ed30
PB		 2736
2737 if (!port)
a594cfbf 2738 return -1;
0d92ed30 2739
059809e4 2740 dev = port->dev;
0d92ed30
PB		 2741 *lastp = port->next;
2742 usb_attach(port, NULL);
059809e4 2743 dev->handle_destroy(dev);
0d92ed30
PB		 2744 port->next = free_usb_ports;
2745 free_usb_ports = port;
a594cfbf
FB		 2746 return 0;
2747}
2748
1f3870ab
AL		 2749static int usb_device_del(const char *devname)
2750{
2751 int bus_num, addr;
2752 const char *p;
2753
5d0c5750
AL		 2754 if (strstart(devname, "host:", &p))
2755 return usb_host_device_close(p);
2756
1f3870ab
AL		 2757 if (!used_usb_ports)
2758 return -1;
2759
2760 p = strchr(devname, '.');
2761 if (!p)
2762 return -1;
2763 bus_num = strtoul(devname, NULL, 0);
2764 addr = strtoul(p + 1, NULL, 0);
2765
2766 return usb_device_del_addr(bus_num, addr);
2767}
2768
376253ec 2769void do_usb_add(Monitor *mon, const char *devname)
a594cfbf 2770{
c0f4ce77 2771 usb_device_add(devname, 1);
a594cfbf
FB		 2772}
2773
376253ec 2774void do_usb_del(Monitor *mon, const char *devname)
a594cfbf 2775{
4b096fc9 2776 usb_device_del(devname);
a594cfbf
FB		 2777}
2778
376253ec 2779void usb_info(Monitor *mon)
a594cfbf
FB		 2780{
2781 USBDevice *dev;
0d92ed30 2782 USBPort *port;
a594cfbf
FB		 2783 const char *speed_str;
2784
0d92ed30 2785 if (!usb_enabled) {
376253ec 2786 monitor_printf(mon, "USB support not enabled\n");
a594cfbf
FB		 2787 return;
2788 }
2789
0d92ed30
PB		 2790 for (port = used_usb_ports; port; port = port->next) {
2791 dev = port->dev;
2792 if (!dev)
2793 continue;
2794 switch(dev->speed) {
5fafdf24
TS		 2795 case USB_SPEED_LOW:
2796 speed_str = "1.5";
0d92ed30 2797 break;
5fafdf24
TS		 2798 case USB_SPEED_FULL:
2799 speed_str = "12";
0d92ed30 2800 break;
5fafdf24
TS		 2801 case USB_SPEED_HIGH:
2802 speed_str = "480";
0d92ed30
PB		 2803 break;
2804 default:
5fafdf24 2805 speed_str = "?";
0d92ed30 2806 break;
a594cfbf 2807 }
376253ec
AL		 2808 monitor_printf(mon, " Device %d.%d, Speed %s Mb/s, Product %s\n",
2809 0, dev->addr, speed_str, dev->devname);
a594cfbf
FB		 2810 }
2811}
2812
201a51fc
AZ		 2813/***********************************************************/
2814/* PCMCIA/Cardbus */
2815
2816static struct pcmcia_socket_entry_s {
bc24a225 2817 PCMCIASocket *socket;
201a51fc
AZ		 2818 struct pcmcia_socket_entry_s *next;
2819} *pcmcia_sockets = 0;
2820
bc24a225 2821void pcmcia_socket_register(PCMCIASocket *socket)
201a51fc
AZ		 2822{
2823 struct pcmcia_socket_entry_s *entry;
2824
2825 entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
2826 entry->socket = socket;
2827 entry->next = pcmcia_sockets;
2828 pcmcia_sockets = entry;
2829}
2830
bc24a225 2831void pcmcia_socket_unregister(PCMCIASocket *socket)
201a51fc
AZ		 2832{
2833 struct pcmcia_socket_entry_s *entry, **ptr;
2834
2835 ptr = &pcmcia_sockets;
2836 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
2837 if (entry->socket == socket) {
2838 *ptr = entry->next;
2839 qemu_free(entry);
2840 }
2841}
2842
376253ec 2843void pcmcia_info(Monitor *mon)
201a51fc
AZ		 2844{
2845 struct pcmcia_socket_entry_s *iter;
376253ec 2846
201a51fc 2847 if (!pcmcia_sockets)
376253ec 2848 monitor_printf(mon, "No PCMCIA sockets\n");
201a51fc
AZ		 2849
2850 for (iter = pcmcia_sockets; iter; iter = iter->next)
376253ec
AL		 2851 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
2852 iter->socket->attached ? iter->socket->card_string :
2853 "Empty");
201a51fc
AZ		 2854}
2855
2ff89790 2856/***********************************************************/
3023f332
AL		 2857/* register display */
2858
7b5d76da
AL		 2859struct DisplayAllocator default_allocator = {
2860 defaultallocator_create_displaysurface,
2861 defaultallocator_resize_displaysurface,
2862 defaultallocator_free_displaysurface
2863};
2864
3023f332
AL		 2865void register_displaystate(DisplayState *ds)
2866{
2867 DisplayState **s;
2868 s = &display_state;
2869 while (*s != NULL)
2870 s = &(*s)->next;
2871 ds->next = NULL;
2872 *s = ds;
2873}
2874
2875DisplayState *get_displaystate(void)
2876{
2877 return display_state;
2878}
2879
7b5d76da
AL		 2880DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da)
2881{
2882 if(ds->allocator == &default_allocator) ds->allocator = da;
2883 return ds->allocator;
2884}
2885
2ff89790
TS		 2886/* dumb display */
2887
8f391ab4 2888static void dumb_display_init(void)
2ff89790 2889{
8f391ab4 2890 DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
7b5d76da
AL		 2891 ds->allocator = &default_allocator;
2892 ds->surface = qemu_create_displaysurface(ds, 640, 480);
8f391ab4 2893 register_displaystate(ds);
2ff89790
TS		 2894}
2895
8a7ddc38
FB		 2896/***********************************************************/
2897/* I/O handling */
0824d6fc 2898
c4b1fcc0
FB		 2899typedef struct IOHandlerRecord {
2900 int fd;
7c9d8e07
FB		 2901 IOCanRWHandler *fd_read_poll;
2902 IOHandler *fd_read;
2903 IOHandler *fd_write;
cafffd40 2904 int deleted;
c4b1fcc0
FB		 2905 void *opaque;
2906 /* temporary data */
2907 struct pollfd *ufd;
8a7ddc38 2908 struct IOHandlerRecord *next;
c4b1fcc0
FB		 2909} IOHandlerRecord;
2910
8a7ddc38 2911static IOHandlerRecord *first_io_handler;
c4b1fcc0 2912
7c9d8e07
FB		 2913/* XXX: fd_read_poll should be suppressed, but an API change is
2914 necessary in the character devices to suppress fd_can_read(). */
5fafdf24
TS		 2915int qemu_set_fd_handler2(int fd,
2916 IOCanRWHandler *fd_read_poll,
2917 IOHandler *fd_read,
2918 IOHandler *fd_write,
7c9d8e07 2919 void *opaque)
c4b1fcc0 2920{
7c9d8e07 2921 IOHandlerRecord **pioh, *ioh;
c4b1fcc0 2922
7c9d8e07
FB		 2923 if (!fd_read && !fd_write) {
2924 pioh = &first_io_handler;
2925 for(;;) {
2926 ioh = *pioh;
2927 if (ioh == NULL)
2928 break;
2929 if (ioh->fd == fd) {
cafffd40 2930 ioh->deleted = 1;
7c9d8e07
FB		 2931 break;
2932 }
2933 pioh = &ioh->next;
2934 }
2935 } else {
2936 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
2937 if (ioh->fd == fd)
2938 goto found;
2939 }
2940 ioh = qemu_mallocz(sizeof(IOHandlerRecord));
7c9d8e07
FB		 2941 ioh->next = first_io_handler;
2942 first_io_handler = ioh;
2943 found:
2944 ioh->fd = fd;
2945 ioh->fd_read_poll = fd_read_poll;
2946 ioh->fd_read = fd_read;
2947 ioh->fd_write = fd_write;
2948 ioh->opaque = opaque;
cafffd40 2949 ioh->deleted = 0;
7c9d8e07 2950 }
c4b1fcc0
FB		 2951 return 0;
2952}
2953
5fafdf24
TS		 2954int qemu_set_fd_handler(int fd,
2955 IOHandler *fd_read,
2956 IOHandler *fd_write,
7c9d8e07 2957 void *opaque)
8a7ddc38 2958{
7c9d8e07 2959 return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
8a7ddc38
FB		 2960}
2961
56f3a5d0 2962#ifdef _WIN32
f331110f
FB		 2963/***********************************************************/
2964/* Polling handling */
2965
2966typedef struct PollingEntry {
2967 PollingFunc *func;
2968 void *opaque;
2969 struct PollingEntry *next;
2970} PollingEntry;
2971
2972static PollingEntry *first_polling_entry;
2973
2974int qemu_add_polling_cb(PollingFunc *func, void *opaque)
2975{
2976 PollingEntry **ppe, *pe;
2977 pe = qemu_mallocz(sizeof(PollingEntry));
f331110f
FB		 2978 pe->func = func;
2979 pe->opaque = opaque;
2980 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
2981 *ppe = pe;
2982 return 0;
2983}
2984
2985void qemu_del_polling_cb(PollingFunc *func, void *opaque)
2986{
2987 PollingEntry **ppe, *pe;
2988 for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
2989 pe = *ppe;
2990 if (pe->func == func && pe->opaque == opaque) {
2991 *ppe = pe->next;
2992 qemu_free(pe);
2993 break;
2994 }
2995 }
2996}
2997
a18e524a
FB		 2998/***********************************************************/
2999/* Wait objects support */
3000typedef struct WaitObjects {
3001 int num;
3002 HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
3003 WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
3004 void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
3005} WaitObjects;
3006
3007static WaitObjects wait_objects = {0};
3b46e624 3008
a18e524a
FB		 3009int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
3010{
3011 WaitObjects *w = &wait_objects;
3012
3013 if (w->num >= MAXIMUM_WAIT_OBJECTS)
3014 return -1;
3015 w->events[w->num] = handle;
3016 w->func[w->num] = func;
3017 w->opaque[w->num] = opaque;
3018 w->num++;
3019 return 0;
3020}
3021
3022void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
3023{
3024 int i, found;
3025 WaitObjects *w = &wait_objects;
3026
3027 found = 0;
3028 for (i = 0; i < w->num; i++) {
3029 if (w->events[i] == handle)
3030 found = 1;
3031 if (found) {
3032 w->events[i] = w->events[i + 1];
3033 w->func[i] = w->func[i + 1];
3034 w->opaque[i] = w->opaque[i + 1];
3b46e624 3035 }
a18e524a
FB		 3036 }
3037 if (found)
3038 w->num--;
3039}
3040#endif
3041
8a7ddc38
FB		 3042/***********************************************************/
3043/* ram save/restore */
3044
8a7ddc38
FB		 3045static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
3046{
3047 int v;
3048
3049 v = qemu_get_byte(f);
3050 switch(v) {
3051 case 0:
3052 if (qemu_get_buffer(f, buf, len) != len)
3053 return -EIO;
3054 break;
3055 case 1:
3056 v = qemu_get_byte(f);
3057 memset(buf, v, len);
3058 break;
3059 default:
3060 return -EINVAL;
3061 }
871d2f07
AL		 3062
3063 if (qemu_file_has_error(f))
3064 return -EIO;
3065
8a7ddc38
FB		 3066 return 0;
3067}
3068
c88676f8
FB		 3069static int ram_load_v1(QEMUFile *f, void *opaque)
3070{
00f82b8a
AJ		 3071 int ret;
3072 ram_addr_t i;
c88676f8 3073
94a6b54f 3074 if (qemu_get_be32(f) != last_ram_offset)
c88676f8 3075 return -EINVAL;
94a6b54f 3076 for(i = 0; i < last_ram_offset; i+= TARGET_PAGE_SIZE) {
5579c7f3 3077 ret = ram_get_page(f, qemu_get_ram_ptr(i), TARGET_PAGE_SIZE);
c88676f8
FB		 3078 if (ret)
3079 return ret;
3080 }
3081 return 0;
3082}
3083
3084#define BDRV_HASH_BLOCK_SIZE 1024
3085#define IOBUF_SIZE 4096
3086#define RAM_CBLOCK_MAGIC 0xfabe
3087
c88676f8
FB		 3088typedef struct RamDecompressState {
3089 z_stream zstream;
3090 QEMUFile *f;
3091 uint8_t buf[IOBUF_SIZE];
3092} RamDecompressState;
3093
3094static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
3095{
3096 int ret;
3097 memset(s, 0, sizeof(*s));
3098 s->f = f;
3099 ret = inflateInit(&s->zstream);
3100 if (ret != Z_OK)
3101 return -1;
3102 return 0;
3103}
3104
3105static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
3106{
3107 int ret, clen;
3108
3109 s->zstream.avail_out = len;
3110 s->zstream.next_out = buf;
3111 while (s->zstream.avail_out > 0) {
3112 if (s->zstream.avail_in == 0) {
3113 if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
3114 return -1;
3115 clen = qemu_get_be16(s->f);
3116 if (clen > IOBUF_SIZE)
3117 return -1;
3118 qemu_get_buffer(s->f, s->buf, clen);
3119 s->zstream.avail_in = clen;
3120 s->zstream.next_in = s->buf;
3121 }
3122 ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
3123 if (ret != Z_OK && ret != Z_STREAM_END) {
3124 return -1;
3125 }
3126 }
3127 return 0;
3128}
3129
3130static void ram_decompress_close(RamDecompressState *s)
3131{
3132 inflateEnd(&s->zstream);
3133}
3134
475e4277
AL		 3135#define RAM_SAVE_FLAG_FULL 0x01
3136#define RAM_SAVE_FLAG_COMPRESS 0x02
3137#define RAM_SAVE_FLAG_MEM_SIZE 0x04
3138#define RAM_SAVE_FLAG_PAGE 0x08
3139#define RAM_SAVE_FLAG_EOS 0x10
3140
3141static int is_dup_page(uint8_t *page, uint8_t ch)
8a7ddc38 3142{
475e4277
AL		 3143 uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
3144 uint32_t *array = (uint32_t *)page;
3145 int i;
3b46e624 3146
475e4277
AL		 3147 for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
3148 if (array[i] != val)
3149 return 0;
3150 }
3151
3152 return 1;
3153}
3154
3155static int ram_save_block(QEMUFile *f)
3156{
3157 static ram_addr_t current_addr = 0;
3158 ram_addr_t saved_addr = current_addr;
3159 ram_addr_t addr = 0;
3160 int found = 0;
3161
94a6b54f 3162 while (addr < last_ram_offset) {
475e4277 3163 if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
5579c7f3 3164 uint8_t *p;
475e4277
AL		 3165
3166 cpu_physical_memory_reset_dirty(current_addr,
3167 current_addr + TARGET_PAGE_SIZE,
3168 MIGRATION_DIRTY_FLAG);
3169
5579c7f3 3170 p = qemu_get_ram_ptr(current_addr);
475e4277 3171
5579c7f3 3172 if (is_dup_page(p, *p)) {
475e4277 3173 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
5579c7f3 3174 qemu_put_byte(f, *p);
475e4277
AL		 3175 } else {
3176 qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
5579c7f3 3177 qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
c88676f8 3178 }
475e4277
AL		 3179
3180 found = 1;
3181 break;
c88676f8 3182 }
475e4277 3183 addr += TARGET_PAGE_SIZE;
94a6b54f 3184 current_addr = (saved_addr + addr) % last_ram_offset;
8a7ddc38 3185 }
475e4277
AL		 3186
3187 return found;
8a7ddc38
FB		 3188}
3189
475e4277 3190static ram_addr_t ram_save_threshold = 10;
9f9e28cd 3191static uint64_t bytes_transferred = 0;
475e4277
AL		 3192
3193static ram_addr_t ram_save_remaining(void)
3194{
3195 ram_addr_t addr;
3196 ram_addr_t count = 0;
3197
94a6b54f 3198 for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
475e4277
AL		 3199 if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3200 count++;
3201 }
3202
3203 return count;
3204}
3205
9f9e28cd
GC		 3206uint64_t ram_bytes_remaining(void)
3207{
3208 return ram_save_remaining() * TARGET_PAGE_SIZE;
3209}
3210
3211uint64_t ram_bytes_transferred(void)
3212{
3213 return bytes_transferred;
3214}
3215
3216uint64_t ram_bytes_total(void)
3217{
3218 return last_ram_offset;
3219}
3220
475e4277
AL		 3221static int ram_save_live(QEMUFile *f, int stage, void *opaque)
3222{
3223 ram_addr_t addr;
3224
9fa06385 3225 if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
b0a46a33
JK		 3226 qemu_file_set_error(f);
3227 return 0;
3228 }
3229
475e4277
AL		 3230 if (stage == 1) {
3231 /* Make sure all dirty bits are set */
94a6b54f 3232 for (addr = 0; addr < last_ram_offset; addr += TARGET_PAGE_SIZE) {
475e4277
AL		 3233 if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG))
3234 cpu_physical_memory_set_dirty(addr);
3235 }
b0a46a33 3236
475e4277
AL		 3237 /* Enable dirty memory tracking */
3238 cpu_physical_memory_set_dirty_tracking(1);
3239
94a6b54f 3240 qemu_put_be64(f, last_ram_offset | RAM_SAVE_FLAG_MEM_SIZE);
475e4277
AL		 3241 }
3242
3243 while (!qemu_file_rate_limit(f)) {
3244 int ret;
3245
3246 ret = ram_save_block(f);
9f9e28cd 3247 bytes_transferred += ret * TARGET_PAGE_SIZE;
475e4277
AL		 3248 if (ret == 0) /* no more blocks */
3249 break;
3250 }
3251
3252 /* try transferring iterative blocks of memory */
3253
3254 if (stage == 3) {
475e4277
AL		 3255
3256 /* flush all remaining blocks regardless of rate limiting */
9f9e28cd
GC		 3257 while (ram_save_block(f) != 0) {
3258 bytes_transferred += TARGET_PAGE_SIZE;
3259 }
8215e914 3260 cpu_physical_memory_set_dirty_tracking(0);
475e4277
AL		 3261 }
3262
3263 qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
3264
3265 return (stage == 2) && (ram_save_remaining() < ram_save_threshold);
3266}
3267
3268static int ram_load_dead(QEMUFile *f, void *opaque)
8a7ddc38 3269{
c88676f8
FB		 3270 RamDecompressState s1, *s = &s1;
3271 uint8_t buf[10];
00f82b8a 3272 ram_addr_t i;
8a7ddc38 3273
c88676f8
FB		 3274 if (ram_decompress_open(s, f) < 0)
3275 return -EINVAL;
94a6b54f 3276 for(i = 0; i < last_ram_offset; i+= BDRV_HASH_BLOCK_SIZE) {
c88676f8
FB		 3277 if (ram_decompress_buf(s, buf, 1) < 0) {
3278 fprintf(stderr, "Error while reading ram block header\n");
3279 goto error;
3280 }
3281 if (buf[0] == 0) {
5579c7f3
PB		 3282 if (ram_decompress_buf(s, qemu_get_ram_ptr(i),
3283 BDRV_HASH_BLOCK_SIZE) < 0) {
00f82b8a 3284 fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i);
c88676f8
FB		 3285 goto error;
3286 }
475e4277 3287 } else {
c88676f8
FB		 3288 error:
3289 printf("Error block header\n");
3290 return -EINVAL;
3291 }
8a7ddc38 3292 }
c88676f8 3293 ram_decompress_close(s);
475e4277
AL		 3294
3295 return 0;
3296}
3297
3298static int ram_load(QEMUFile *f, void *opaque, int version_id)
3299{
3300 ram_addr_t addr;
3301 int flags;
3302
3303 if (version_id == 1)
3304 return ram_load_v1(f, opaque);
3305
3306 if (version_id == 2) {
94a6b54f 3307 if (qemu_get_be32(f) != last_ram_offset)
475e4277
AL		 3308 return -EINVAL;
3309 return ram_load_dead(f, opaque);
3310 }
3311
3312 if (version_id != 3)
3313 return -EINVAL;
3314
3315 do {
3316 addr = qemu_get_be64(f);
3317
3318 flags = addr & ~TARGET_PAGE_MASK;
3319 addr &= TARGET_PAGE_MASK;
3320
3321 if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
94a6b54f 3322 if (addr != last_ram_offset)
475e4277
AL		 3323 return -EINVAL;
3324 }
3325
3326 if (flags & RAM_SAVE_FLAG_FULL) {
3327 if (ram_load_dead(f, opaque) < 0)
3328 return -EINVAL;
3329 }
3330
3331 if (flags & RAM_SAVE_FLAG_COMPRESS) {
3332 uint8_t ch = qemu_get_byte(f);
5579c7f3 3333 memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
475e4277 3334 } else if (flags & RAM_SAVE_FLAG_PAGE)
5579c7f3 3335 qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
475e4277
AL		 3336 } while (!(flags & RAM_SAVE_FLAG_EOS));
3337
8a7ddc38
FB		 3338 return 0;
3339}
3340
9e472e10
AL		 3341void qemu_service_io(void)
3342{
d9f75a4e 3343 qemu_notify_event();
9e472e10
AL		 3344}
3345
83f64091
FB		 3346/***********************************************************/
3347/* bottom halves (can be seen as timers which expire ASAP) */
3348
3349struct QEMUBH {
3350 QEMUBHFunc *cb;
3351 void *opaque;
3352 int scheduled;
1b435b10
AL		 3353 int idle;
3354 int deleted;
83f64091
FB		 3355 QEMUBH *next;
3356};
3357
3358static QEMUBH *first_bh = NULL;
3359
3360QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
3361{
3362 QEMUBH *bh;
3363 bh = qemu_mallocz(sizeof(QEMUBH));
83f64091
FB		 3364 bh->cb = cb;
3365 bh->opaque = opaque;
1b435b10
AL		 3366 bh->next = first_bh;
3367 first_bh = bh;
83f64091
FB		 3368 return bh;
3369}
3370
6eb5733a 3371int qemu_bh_poll(void)
83f64091 3372{
1b435b10 3373 QEMUBH *bh, **bhp;
6eb5733a 3374 int ret;
83f64091 3375
6eb5733a 3376 ret = 0;
1b435b10
AL		 3377 for (bh = first_bh; bh; bh = bh->next) {
3378 if (!bh->deleted && bh->scheduled) {
3379 bh->scheduled = 0;
3380 if (!bh->idle)
3381 ret = 1;
3382 bh->idle = 0;
3383 bh->cb(bh->opaque);
3384 }
83f64091 3385 }
1b435b10
AL		 3386
3387 /* remove deleted bhs */
3388 bhp = &first_bh;
3389 while (*bhp) {
3390 bh = *bhp;
3391 if (bh->deleted) {
3392 *bhp = bh->next;
3393 qemu_free(bh);
3394 } else
3395 bhp = &bh->next;
3396 }
3397
6eb5733a 3398 return ret;
83f64091
FB		 3399}
3400
1b435b10
AL		 3401void qemu_bh_schedule_idle(QEMUBH *bh)
3402{
3403 if (bh->scheduled)
3404 return;
3405 bh->scheduled = 1;
3406 bh->idle = 1;
3407}
3408
83f64091
FB		 3409void qemu_bh_schedule(QEMUBH *bh)
3410{
83f64091
FB		 3411 if (bh->scheduled)
3412 return;
3413 bh->scheduled = 1;
1b435b10 3414 bh->idle = 0;
83f64091 3415 /* stop the currently executing CPU to execute the BH ASAP */
d9f75a4e 3416 qemu_notify_event();
83f64091
FB		 3417}
3418
3419void qemu_bh_cancel(QEMUBH *bh)
3420{
1b435b10 3421 bh->scheduled = 0;
83f64091
FB		 3422}
3423
3424void qemu_bh_delete(QEMUBH *bh)
3425{
1b435b10
AL		 3426 bh->scheduled = 0;
3427 bh->deleted = 1;
83f64091
FB		 3428}
3429
56f3a5d0
AL		 3430static void qemu_bh_update_timeout(int *timeout)
3431{
3432 QEMUBH *bh;
3433
3434 for (bh = first_bh; bh; bh = bh->next) {
3435 if (!bh->deleted && bh->scheduled) {
3436 if (bh->idle) {
3437 /* idle bottom halves will be polled at least
3438 * every 10ms */
3439 *timeout = MIN(10, *timeout);
3440 } else {
3441 /* non-idle bottom halves will be executed
3442 * immediately */
3443 *timeout = 0;
3444 break;
3445 }
3446 }
3447 }
3448}
3449
cc1daa40
FB		 3450/***********************************************************/
3451/* machine registration */
3452
bdaf78e0 3453static QEMUMachine *first_machine = NULL;
6f338c34 3454QEMUMachine *current_machine = NULL;
cc1daa40
FB		 3455
3456int qemu_register_machine(QEMUMachine *m)
3457{
3458 QEMUMachine **pm;
3459 pm = &first_machine;
3460 while (*pm != NULL)
3461 pm = &(*pm)->next;
3462 m->next = NULL;
3463 *pm = m;
3464 return 0;
3465}
3466
9596ebb7 3467static QEMUMachine *find_machine(const char *name)
cc1daa40
FB		 3468{
3469 QEMUMachine *m;
3470
3471 for(m = first_machine; m != NULL; m = m->next) {
3472 if (!strcmp(m->name, name))
3473 return m;
3474 }
3475 return NULL;
3476}
3477
0c257437
AL		 3478static QEMUMachine *find_default_machine(void)
3479{
3480 QEMUMachine *m;
3481
3482 for(m = first_machine; m != NULL; m = m->next) {
3483 if (m->is_default) {
3484 return m;
3485 }
3486 }
3487 return NULL;
3488}
3489
8a7ddc38
FB		 3490/***********************************************************/
3491/* main execution loop */
3492
9596ebb7 3493static void gui_update(void *opaque)
8a7ddc38 3494{
7d957bd8 3495 uint64_t interval = GUI_REFRESH_INTERVAL;
740733bb 3496 DisplayState *ds = opaque;
7d957bd8
AL		 3497 DisplayChangeListener *dcl = ds->listeners;
3498
3499 dpy_refresh(ds);
3500
3501 while (dcl != NULL) {
3502 if (dcl->gui_timer_interval &&
3503 dcl->gui_timer_interval < interval)
3504 interval = dcl->gui_timer_interval;
3505 dcl = dcl->next;
3506 }
3507 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock(rt_clock));
8a7ddc38
FB		 3508}
3509
9043b62d
BS		 3510static void nographic_update(void *opaque)
3511{
3512 uint64_t interval = GUI_REFRESH_INTERVAL;
3513
3514 qemu_mod_timer(nographic_timer, interval + qemu_get_clock(rt_clock));
3515}
3516
0bd48850
FB		 3517struct vm_change_state_entry {
3518 VMChangeStateHandler *cb;
3519 void *opaque;
3520 LIST_ENTRY (vm_change_state_entry) entries;
3521};
3522
3523static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
3524
3525VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
3526 void *opaque)
3527{
3528 VMChangeStateEntry *e;
3529
3530 e = qemu_mallocz(sizeof (*e));
0bd48850
FB		 3531
3532 e->cb = cb;
3533 e->opaque = opaque;
3534 LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
3535 return e;
3536}
3537
3538void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
3539{
3540 LIST_REMOVE (e, entries);
3541 qemu_free (e);
3542}
3543
9781e040 3544static void vm_state_notify(int running, int reason)
0bd48850
FB		 3545{
3546 VMChangeStateEntry *e;
3547
3548 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
9781e040 3549 e->cb(e->opaque, running, reason);
0bd48850
FB		 3550 }
3551}
3552
d6dc3d42
AL		 3553static void resume_all_vcpus(void);
3554static void pause_all_vcpus(void);
3555
8a7ddc38
FB		 3556void vm_start(void)
3557{
3558 if (!vm_running) {
3559 cpu_enable_ticks();
3560 vm_running = 1;
9781e040 3561 vm_state_notify(1, 0);
efe75411 3562 qemu_rearm_alarm_timer(alarm_timer);
d6dc3d42 3563 resume_all_vcpus();
8a7ddc38
FB		 3564 }
3565}
3566
bb0c6722
FB		 3567/* reset/shutdown handler */
3568
3569typedef struct QEMUResetEntry {
3570 QEMUResetHandler *func;
3571 void *opaque;
8217606e 3572 int order;
bb0c6722
FB		 3573 struct QEMUResetEntry *next;
3574} QEMUResetEntry;
3575
3576static QEMUResetEntry *first_reset_entry;
3577static int reset_requested;
3578static int shutdown_requested;
3475187d 3579static int powerdown_requested;
e568902a 3580static int debug_requested;
6e29f5da 3581static int vmstop_requested;
bb0c6722 3582
cf7a2fe2
AJ		 3583int qemu_shutdown_requested(void)
3584{
3585 int r = shutdown_requested;
3586 shutdown_requested = 0;
3587 return r;
3588}
3589
3590int qemu_reset_requested(void)
3591{
3592 int r = reset_requested;
3593 reset_requested = 0;
3594 return r;
3595}
3596
3597int qemu_powerdown_requested(void)
3598{
3599 int r = powerdown_requested;
3600 powerdown_requested = 0;
3601 return r;
3602}
3603
e568902a
AL		 3604static int qemu_debug_requested(void)
3605{
3606 int r = debug_requested;
3607 debug_requested = 0;
3608 return r;
3609}
3610
6e29f5da
AL		 3611static int qemu_vmstop_requested(void)
3612{
3613 int r = vmstop_requested;
3614 vmstop_requested = 0;
3615 return r;
3616}
3617
3618static void do_vm_stop(int reason)
3619{
3620 if (vm_running) {
3621 cpu_disable_ticks();
3622 vm_running = 0;
d6dc3d42 3623 pause_all_vcpus();
6e29f5da
AL		 3624 vm_state_notify(0, reason);
3625 }
3626}
3627
8217606e 3628void qemu_register_reset(QEMUResetHandler *func, int order, void *opaque)
bb0c6722
FB		 3629{
3630 QEMUResetEntry **pre, *re;
3631
3632 pre = &first_reset_entry;
8217606e 3633 while (*pre != NULL && (*pre)->order >= order) {
bb0c6722 3634 pre = &(*pre)->next;
8217606e 3635 }
bb0c6722
FB		 3636 re = qemu_mallocz(sizeof(QEMUResetEntry));
3637 re->func = func;
3638 re->opaque = opaque;
8217606e 3639 re->order = order;
bb0c6722
FB		 3640 re->next = NULL;
3641 *pre = re;
3642}
3643
cf7a2fe2 3644void qemu_system_reset(void)
bb0c6722
FB		 3645{
3646 QEMUResetEntry *re;
3647
3648 /* reset all devices */
3649 for(re = first_reset_entry; re != NULL; re = re->next) {
3650 re->func(re->opaque);
3651 }
3652}
3653
3654void qemu_system_reset_request(void)
3655{
d1beab82
FB		 3656 if (no_reboot) {
3657 shutdown_requested = 1;
3658 } else {
3659 reset_requested = 1;
3660 }
d9f75a4e 3661 qemu_notify_event();
bb0c6722
FB		 3662}
3663
3664void qemu_system_shutdown_request(void)
3665{
3666 shutdown_requested = 1;
d9f75a4e 3667 qemu_notify_event();
bb0c6722
FB		 3668}
3669
3475187d
FB		 3670void qemu_system_powerdown_request(void)
3671{
3672 powerdown_requested = 1;
d9f75a4e
AL		 3673 qemu_notify_event();
3674}
3675
d6dc3d42
AL		 3676#ifdef CONFIG_IOTHREAD
3677static void qemu_system_vmstop_request(int reason)
d9f75a4e 3678{
d6dc3d42
AL		 3679 vmstop_requested = reason;
3680 qemu_notify_event();
bb0c6722 3681}
d6dc3d42 3682#endif
bb0c6722 3683
50317c7f
AL		 3684#ifndef _WIN32
3685static int io_thread_fd = -1;
3686
3687static void qemu_event_increment(void)
3fcf7b6b 3688{
50317c7f
AL		 3689 static const char byte = 0;
3690
3691 if (io_thread_fd == -1)
3692 return;
3693
3694 write(io_thread_fd, &byte, sizeof(byte));
3695}
3696
3697static void qemu_event_read(void *opaque)
3698{
3699 int fd = (unsigned long)opaque;
3700 ssize_t len;
3701
3702 /* Drain the notify pipe */
3703 do {
3704 char buffer[512];
3705 len = read(fd, buffer, sizeof(buffer));
3706 } while ((len == -1 && errno == EINTR) || len > 0);
3707}
3708
3709static int qemu_event_init(void)
3710{
3711 int err;
3712 int fds[2];
3713
3714 err = pipe(fds);
3715 if (err == -1)
3716 return -errno;
3717
3718 err = fcntl_setfl(fds[0], O_NONBLOCK);
3719 if (err < 0)
3720 goto fail;
3721
3722 err = fcntl_setfl(fds[1], O_NONBLOCK);
3723 if (err < 0)
3724 goto fail;
3725
3726 qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL,
3727 (void *)(unsigned long)fds[0]);
3728
3729 io_thread_fd = fds[1];
a7e21219
JK		 3730 return 0;
3731
50317c7f
AL		 3732fail:
3733 close(fds[0]);
3734 close(fds[1]);
3735 return err;
3736}
3737#else
3738HANDLE qemu_event_handle;
3739
3740static void dummy_event_handler(void *opaque)
3741{
3742}
3743
3744static int qemu_event_init(void)
3745{
3746 qemu_event_handle = CreateEvent(NULL, FALSE, FALSE, NULL);
3747 if (!qemu_event_handle) {
3748 perror("Failed CreateEvent");
3749 return -1;
3750 }
3751 qemu_add_wait_object(qemu_event_handle, dummy_event_handler, NULL);
3fcf7b6b
AL		 3752 return 0;
3753}
3754
50317c7f
AL		 3755static void qemu_event_increment(void)
3756{
3757 SetEvent(qemu_event_handle);
3758}
3759#endif
3760
d6dc3d42
AL		 3761static int cpu_can_run(CPUState *env)
3762{
3763 if (env->stop)
3764 return 0;
3765 if (env->stopped)
3766 return 0;
3767 return 1;
3768}
3769
3770#ifndef CONFIG_IOTHREAD
50317c7f
AL		 3771static int qemu_init_main_loop(void)
3772{
3773 return qemu_event_init();
3774}
3775
0bf46a40
AL		 3776void qemu_init_vcpu(void *_env)
3777{
3778 CPUState *env = _env;
3779
3780 if (kvm_enabled())
3781 kvm_init_vcpu(env);
3782 return;
3783}
3784
8edac960
AL		 3785int qemu_cpu_self(void *env)
3786{
3787 return 1;
3788}
3789
d6dc3d42
AL		 3790static void resume_all_vcpus(void)
3791{
3792}
3793
3794static void pause_all_vcpus(void)
3795{
3796}
3797
8edac960
AL		 3798void qemu_cpu_kick(void *env)
3799{
3800 return;
3801}
3802
d6dc3d42
AL		 3803void qemu_notify_event(void)
3804{
3805 CPUState *env = cpu_single_env;
3806
3807 if (env) {
3808 cpu_exit(env);
3809#ifdef USE_KQEMU
3810 if (env->kqemu_enabled)
3811 kqemu_cpu_interrupt(env);
3812#endif
3813 }
3814}
3815
4870852c
AL		 3816#define qemu_mutex_lock_iothread() do { } while (0)
3817#define qemu_mutex_unlock_iothread() do { } while (0)
3818
6e29f5da
AL		 3819void vm_stop(int reason)
3820{
3821 do_vm_stop(reason);
3822}
3823
d6dc3d42
AL		 3824#else /* CONFIG_IOTHREAD */
3825
3826#include "qemu-thread.h"
3827
3828QemuMutex qemu_global_mutex;
3829static QemuMutex qemu_fair_mutex;
3830
3831static QemuThread io_thread;
3832
3833static QemuThread *tcg_cpu_thread;
3834static QemuCond *tcg_halt_cond;
3835
3836static int qemu_system_ready;
3837/* cpu creation */
3838static QemuCond qemu_cpu_cond;
3839/* system init */
3840static QemuCond qemu_system_cond;
3841static QemuCond qemu_pause_cond;
3842
3843static void block_io_signals(void);
3844static void unblock_io_signals(void);
3845static int tcg_has_work(void);
3846
3847static int qemu_init_main_loop(void)
3848{
3849 int ret;
3850
3851 ret = qemu_event_init();
3852 if (ret)
3853 return ret;
3854
3855 qemu_cond_init(&qemu_pause_cond);
3856 qemu_mutex_init(&qemu_fair_mutex);
3857 qemu_mutex_init(&qemu_global_mutex);
3858 qemu_mutex_lock(&qemu_global_mutex);
3859
3860 unblock_io_signals();
3861 qemu_thread_self(&io_thread);
3862
3863 return 0;
3864}
3865
3866static void qemu_wait_io_event(CPUState *env)
3867{
3868 while (!tcg_has_work())
3869 qemu_cond_timedwait(env->halt_cond, &qemu_global_mutex, 1000);
3870
3871 qemu_mutex_unlock(&qemu_global_mutex);
3872
3873 /*
3874 * Users of qemu_global_mutex can be starved, having no chance
3875 * to acquire it since this path will get to it first.
3876 * So use another lock to provide fairness.
3877 */
3878 qemu_mutex_lock(&qemu_fair_mutex);
3879 qemu_mutex_unlock(&qemu_fair_mutex);
3880
3881 qemu_mutex_lock(&qemu_global_mutex);
3882 if (env->stop) {
3883 env->stop = 0;
3884 env->stopped = 1;
3885 qemu_cond_signal(&qemu_pause_cond);
3886 }
3887}
3888
3889static int qemu_cpu_exec(CPUState *env);
3890
3891static void *kvm_cpu_thread_fn(void *arg)
3892{
3893 CPUState *env = arg;
3894
3895 block_io_signals();
3896 qemu_thread_self(env->thread);
3897
3898 /* signal CPU creation */
3899 qemu_mutex_lock(&qemu_global_mutex);
3900 env->created = 1;
3901 qemu_cond_signal(&qemu_cpu_cond);
3902
3903 /* and wait for machine initialization */
3904 while (!qemu_system_ready)
3905 qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
3906
3907 while (1) {
3908 if (cpu_can_run(env))
3909 qemu_cpu_exec(env);
3910 qemu_wait_io_event(env);
3911 }
3912
3913 return NULL;
3914}
3915
3916static void tcg_cpu_exec(void);
3917
3918static void *tcg_cpu_thread_fn(void *arg)
3919{
3920 CPUState *env = arg;
3921
3922 block_io_signals();
3923 qemu_thread_self(env->thread);
3924
3925 /* signal CPU creation */
3926 qemu_mutex_lock(&qemu_global_mutex);
3927 for (env = first_cpu; env != NULL; env = env->next_cpu)
3928 env->created = 1;
3929 qemu_cond_signal(&qemu_cpu_cond);
3930
3931 /* and wait for machine initialization */
3932 while (!qemu_system_ready)
3933 qemu_cond_timedwait(&qemu_system_cond, &qemu_global_mutex, 100);
3934
3935 while (1) {
3936 tcg_cpu_exec();
3937 qemu_wait_io_event(cur_cpu);
3938 }
3939
3940 return NULL;
3941}
3942
3943void qemu_cpu_kick(void *_env)
3944{
3945 CPUState *env = _env;
3946 qemu_cond_broadcast(env->halt_cond);
3947 if (kvm_enabled())
3948 qemu_thread_signal(env->thread, SIGUSR1);
3949}
3950
3951int qemu_cpu_self(void *env)
3952{
3953 return (cpu_single_env != NULL);
3954}
3955
3956static void cpu_signal(int sig)
3957{
3958 if (cpu_single_env)
3959 cpu_exit(cpu_single_env);
3960}
3961
3962static void block_io_signals(void)
3963{
3964 sigset_t set;
3965 struct sigaction sigact;
3966
3967 sigemptyset(&set);
3968 sigaddset(&set, SIGUSR2);
3969 sigaddset(&set, SIGIO);
3970 sigaddset(&set, SIGALRM);
3971 pthread_sigmask(SIG_BLOCK, &set, NULL);
3972
3973 sigemptyset(&set);
3974 sigaddset(&set, SIGUSR1);
3975 pthread_sigmask(SIG_UNBLOCK, &set, NULL);
3976
3977 memset(&sigact, 0, sizeof(sigact));
3978 sigact.sa_handler = cpu_signal;
3979 sigaction(SIGUSR1, &sigact, NULL);
3980}
3981
3982static void unblock_io_signals(void)
3983{
3984 sigset_t set;
3985
3986 sigemptyset(&set);
3987 sigaddset(&set, SIGUSR2);
3988 sigaddset(&set, SIGIO);
3989 sigaddset(&set, SIGALRM);
3990 pthread_sigmask(SIG_UNBLOCK, &set, NULL);
3991
3992 sigemptyset(&set);
3993 sigaddset(&set, SIGUSR1);
3994 pthread_sigmask(SIG_BLOCK, &set, NULL);
3995}
3996
3997static void qemu_signal_lock(unsigned int msecs)
3998{
3999 qemu_mutex_lock(&qemu_fair_mutex);
4000
4001 while (qemu_mutex_trylock(&qemu_global_mutex)) {
4002 qemu_thread_signal(tcg_cpu_thread, SIGUSR1);
4003 if (!qemu_mutex_timedlock(&qemu_global_mutex, msecs))
4004 break;
4005 }
4006 qemu_mutex_unlock(&qemu_fair_mutex);
4007}
4008
4009static void qemu_mutex_lock_iothread(void)
4010{
4011 if (kvm_enabled()) {
4012 qemu_mutex_lock(&qemu_fair_mutex);
4013 qemu_mutex_lock(&qemu_global_mutex);
4014 qemu_mutex_unlock(&qemu_fair_mutex);
4015 } else
4016 qemu_signal_lock(100);
4017}
4018
4019static void qemu_mutex_unlock_iothread(void)
4020{
4021 qemu_mutex_unlock(&qemu_global_mutex);
4022}
4023
4024static int all_vcpus_paused(void)
4025{
4026 CPUState *penv = first_cpu;
4027
4028 while (penv) {
4029 if (!penv->stopped)
4030 return 0;
4031 penv = (CPUState *)penv->next_cpu;
4032 }
4033
4034 return 1;
4035}
4036
4037static void pause_all_vcpus(void)
4038{
4039 CPUState *penv = first_cpu;
4040
4041 while (penv) {
4042 penv->stop = 1;
4043 qemu_thread_signal(penv->thread, SIGUSR1);
4044 qemu_cpu_kick(penv);
4045 penv = (CPUState *)penv->next_cpu;
4046 }
4047
4048 while (!all_vcpus_paused()) {
4049 qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
4050 penv = first_cpu;
4051 while (penv) {
4052 qemu_thread_signal(penv->thread, SIGUSR1);
4053 penv = (CPUState *)penv->next_cpu;
4054 }
4055 }
4056}
4057
4058static void resume_all_vcpus(void)
4059{
4060 CPUState *penv = first_cpu;
4061
4062 while (penv) {
4063 penv->stop = 0;
4064 penv->stopped = 0;
4065 qemu_thread_signal(penv->thread, SIGUSR1);
4066 qemu_cpu_kick(penv);
4067 penv = (CPUState *)penv->next_cpu;
4068 }
4069}
4070
4071static void tcg_init_vcpu(void *_env)
4072{
4073 CPUState *env = _env;
4074 /* share a single thread for all cpus with TCG */
4075 if (!tcg_cpu_thread) {
4076 env->thread = qemu_mallocz(sizeof(QemuThread));
4077 env->halt_cond = qemu_mallocz(sizeof(QemuCond));
4078 qemu_cond_init(env->halt_cond);
4079 qemu_thread_create(env->thread, tcg_cpu_thread_fn, env);
4080 while (env->created == 0)
4081 qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
4082 tcg_cpu_thread = env->thread;
4083 tcg_halt_cond = env->halt_cond;
4084 } else {
4085 env->thread = tcg_cpu_thread;
4086 env->halt_cond = tcg_halt_cond;
4087 }
4088}
4089
4090static void kvm_start_vcpu(CPUState *env)
4091{
4092 kvm_init_vcpu(env);
4093 env->thread = qemu_mallocz(sizeof(QemuThread));
4094 env->halt_cond = qemu_mallocz(sizeof(QemuCond));
4095 qemu_cond_init(env->halt_cond);
4096 qemu_thread_create(env->thread, kvm_cpu_thread_fn, env);
4097 while (env->created == 0)
4098 qemu_cond_timedwait(&qemu_cpu_cond, &qemu_global_mutex, 100);
4099}
4100
4101void qemu_init_vcpu(void *_env)
4102{
4103 CPUState *env = _env;
4104
4105 if (kvm_enabled())
4106 kvm_start_vcpu(env);
4107 else
4108 tcg_init_vcpu(env);
4109}
4110
4111void qemu_notify_event(void)
4112{
4113 qemu_event_increment();
4114}
4115
4116void vm_stop(int reason)
4117{
4118 QemuThread me;
4119 qemu_thread_self(&me);
4120
4121 if (!qemu_thread_equal(&me, &io_thread)) {
4122 qemu_system_vmstop_request(reason);
4123 /*
4124 * FIXME: should not return to device code in case
4125 * vm_stop() has been requested.
4126 */
4127 if (cpu_single_env) {
4128 cpu_exit(cpu_single_env);
4129 cpu_single_env->stop = 1;
4130 }
4131 return;
4132 }
4133 do_vm_stop(reason);
4134}
4135
4136#endif
4137
4138
877cf882 4139#ifdef _WIN32
69d6451c 4140static void host_main_loop_wait(int *timeout)
56f3a5d0
AL		 4141{
4142 int ret, ret2, i;
f331110f
FB		 4143 PollingEntry *pe;
4144
c4b1fcc0 4145
f331110f
FB		 4146 /* XXX: need to suppress polling by better using win32 events */
4147 ret = 0;
4148 for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
4149 ret |= pe->func(pe->opaque);
4150 }
e6b1e558 4151 if (ret == 0) {
a18e524a
FB		 4152 int err;
4153 WaitObjects *w = &wait_objects;
3b46e624 4154
56f3a5d0 4155 ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
a18e524a
FB		 4156 if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
4157 if (w->func[ret - WAIT_OBJECT_0])
4158 w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
3b46e624 4159
5fafdf24 4160 /* Check for additional signaled events */
e6b1e558 4161 for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
3b46e624 4162
e6b1e558
TS		 4163 /* Check if event is signaled */
4164 ret2 = WaitForSingleObject(w->events[i], 0);
4165 if(ret2 == WAIT_OBJECT_0) {
4166 if (w->func[i])
4167 w->func[i](w->opaque[i]);
4168 } else if (ret2 == WAIT_TIMEOUT) {
4169 } else {
4170 err = GetLastError();
4171 fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
3b46e624
TS		 4172 }
4173 }
a18e524a
FB		 4174 } else if (ret == WAIT_TIMEOUT) {
4175 } else {
4176 err = GetLastError();
e6b1e558 4177 fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
a18e524a 4178 }
f331110f 4179 }
56f3a5d0
AL		 4180
4181 *timeout = 0;
4182}
4183#else
69d6451c 4184static void host_main_loop_wait(int *timeout)
56f3a5d0
AL		 4185{
4186}
fd1dff4b 4187#endif
56f3a5d0
AL		 4188
4189void main_loop_wait(int timeout)
4190{
4191 IOHandlerRecord *ioh;
4192 fd_set rfds, wfds, xfds;
4193 int ret, nfds;
4194 struct timeval tv;
4195
4196 qemu_bh_update_timeout(&timeout);
4197
4198 host_main_loop_wait(&timeout);
4199
fd1dff4b
FB		 4200 /* poll any events */
4201 /* XXX: separate device handlers from system ones */
6abfbd79 4202 nfds = -1;
fd1dff4b
FB		 4203 FD_ZERO(&rfds);
4204 FD_ZERO(&wfds);
e035649e 4205 FD_ZERO(&xfds);
fd1dff4b 4206 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
cafffd40
TS		 4207 if (ioh->deleted)
4208 continue;
fd1dff4b
FB		 4209 if (ioh->fd_read &&
4210 (!ioh->fd_read_poll ||
4211 ioh->fd_read_poll(ioh->opaque) != 0)) {
4212 FD_SET(ioh->fd, &rfds);
4213 if (ioh->fd > nfds)
4214 nfds = ioh->fd;
4215 }
4216 if (ioh->fd_write) {
4217 FD_SET(ioh->fd, &wfds);
4218 if (ioh->fd > nfds)
4219 nfds = ioh->fd;
4220 }
4221 }
3b46e624 4222
56f3a5d0
AL		 4223 tv.tv_sec = timeout / 1000;
4224 tv.tv_usec = (timeout % 1000) * 1000;
4225
e035649e 4226#if defined(CONFIG_SLIRP)
63a01ef8 4227 if (slirp_is_inited()) {
e035649e
FB		 4228 slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
4229 }
4230#endif
4870852c 4231 qemu_mutex_unlock_iothread();
e035649e 4232 ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
4870852c 4233 qemu_mutex_lock_iothread();
fd1dff4b 4234 if (ret > 0) {
cafffd40
TS		 4235 IOHandlerRecord **pioh;
4236
4237 for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
6ab43fdc 4238 if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) {
fd1dff4b 4239 ioh->fd_read(ioh->opaque);
7c9d8e07 4240 }
6ab43fdc 4241 if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) {
fd1dff4b 4242 ioh->fd_write(ioh->opaque);
c4b1fcc0 4243 }
b4608c04 4244 }
cafffd40
TS		 4245
4246 /* remove deleted IO handlers */
4247 pioh = &first_io_handler;
4248 while (*pioh) {
4249 ioh = *pioh;
4250 if (ioh->deleted) {
4251 *pioh = ioh->next;
4252 qemu_free(ioh);
5fafdf24 4253 } else
cafffd40
TS		 4254 pioh = &ioh->next;
4255 }
fd1dff4b 4256 }
c20709aa 4257#if defined(CONFIG_SLIRP)
63a01ef8 4258 if (slirp_is_inited()) {
e035649e
FB		 4259 if (ret < 0) {
4260 FD_ZERO(&rfds);
4261 FD_ZERO(&wfds);
4262 FD_ZERO(&xfds);
c20709aa 4263 }
e035649e 4264 slirp_select_poll(&rfds, &wfds, &xfds);
fd1dff4b 4265 }
e035649e 4266#endif
b4608c04 4267
50317c7f
AL		 4268 /* rearm timer, if not periodic */
4269 if (alarm_timer->flags & ALARM_FLAG_EXPIRED) {
4270 alarm_timer->flags &= ~ALARM_FLAG_EXPIRED;
4271 qemu_rearm_alarm_timer(alarm_timer);
4272 }
4273
357c692c 4274 /* vm time timers */
d6dc3d42
AL		 4275 if (vm_running) {
4276 if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER)))
4277 qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
4278 qemu_get_clock(vm_clock));
4279 }
357c692c
AL		 4280
4281 /* real time timers */
4282 qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
4283 qemu_get_clock(rt_clock));
4284
423f0742
PB		 4285 /* Check bottom-halves last in case any of the earlier events triggered
4286 them. */
4287 qemu_bh_poll();
3b46e624 4288
5905b2e5
FB		 4289}
4290
43b96858 4291static int qemu_cpu_exec(CPUState *env)
5905b2e5 4292{
43b96858 4293 int ret;
89bfc105
FB		 4294#ifdef CONFIG_PROFILER
4295 int64_t ti;
4296#endif
5905b2e5 4297
89bfc105 4298#ifdef CONFIG_PROFILER
43b96858 4299 ti = profile_getclock();
89bfc105 4300#endif
43b96858
AL		 4301 if (use_icount) {
4302 int64_t count;
4303 int decr;
4304 qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
4305 env->icount_decr.u16.low = 0;
4306 env->icount_extra = 0;
4307 count = qemu_next_deadline();
4308 count = (count + (1 << icount_time_shift) - 1)
4309 >> icount_time_shift;
4310 qemu_icount += count;
4311 decr = (count > 0xffff) ? 0xffff : count;
4312 count -= decr;
4313 env->icount_decr.u16.low = decr;
4314 env->icount_extra = count;
4315 }
4316 ret = cpu_exec(env);
89bfc105 4317#ifdef CONFIG_PROFILER
43b96858 4318 qemu_time += profile_getclock() - ti;
89bfc105 4319#endif
43b96858
AL		 4320 if (use_icount) {
4321 /* Fold pending instructions back into the
4322 instruction counter, and clear the interrupt flag. */
4323 qemu_icount -= (env->icount_decr.u16.low
4324 + env->icount_extra);
4325 env->icount_decr.u32 = 0;
4326 env->icount_extra = 0;
4327 }
4328 return ret;
4329}
4330
e6e35b1e
AL		 4331static void tcg_cpu_exec(void)
4332{
d6dc3d42 4333 int ret = 0;
e6e35b1e
AL		 4334
4335 if (next_cpu == NULL)
4336 next_cpu = first_cpu;
4337 for (; next_cpu != NULL; next_cpu = next_cpu->next_cpu) {
4338 CPUState *env = cur_cpu = next_cpu;
4339
4340 if (!vm_running)
4341 break;
4342 if (timer_alarm_pending) {
4343 timer_alarm_pending = 0;
4344 break;
4345 }
d6dc3d42
AL		 4346 if (cpu_can_run(env))
4347 ret = qemu_cpu_exec(env);
e6e35b1e
AL		 4348 if (ret == EXCP_DEBUG) {
4349 gdb_set_stop_cpu(env);
4350 debug_requested = 1;
4351 break;
4352 }
4353 }
4354}
4355
43b96858
AL		 4356static int cpu_has_work(CPUState *env)
4357{
d6dc3d42
AL		 4358 if (env->stop)
4359 return 1;
4360 if (env->stopped)
4361 return 0;
43b96858
AL		 4362 if (!env->halted)
4363 return 1;
4364 if (qemu_cpu_has_work(env))
4365 return 1;
4366 return 0;
4367}
4368
4369static int tcg_has_work(void)
4370{
4371 CPUState *env;
4372
4373 for (env = first_cpu; env != NULL; env = env->next_cpu)
4374 if (cpu_has_work(env))
4375 return 1;
4376 return 0;
4377}
4378
4379static int qemu_calculate_timeout(void)
4380{
4381 int timeout;
4382
4383 if (!vm_running)
4384 timeout = 5000;
4385 else if (tcg_has_work())
4386 timeout = 0;
4387 else if (!use_icount)
4388 timeout = 5000;
4389 else {
4390 /* XXX: use timeout computed from timers */
4391 int64_t add;
4392 int64_t delta;
4393 /* Advance virtual time to the next event. */
4394 if (use_icount == 1) {
4395 /* When not using an adaptive execution frequency
4396 we tend to get badly out of sync with real time,
4397 so just delay for a reasonable amount of time. */
4398 delta = 0;
4399 } else {
4400 delta = cpu_get_icount() - cpu_get_clock();
4401 }
4402 if (delta > 0) {
4403 /* If virtual time is ahead of real time then just
4404 wait for IO. */
4405 timeout = (delta / 1000000) + 1;
4406 } else {
4407 /* Wait for either IO to occur or the next
4408 timer event. */
4409 add = qemu_next_deadline();
4410 /* We advance the timer before checking for IO.
4411 Limit the amount we advance so that early IO
4412 activity won't get the guest too far ahead. */
4413 if (add > 10000000)
4414 add = 10000000;
4415 delta += add;
4416 add = (add + (1 << icount_time_shift) - 1)
4417 >> icount_time_shift;
4418 qemu_icount += add;
4419 timeout = delta / 1000000;
4420 if (timeout < 0)
4421 timeout = 0;
4422 }
4423 }
4424
4425 return timeout;
4426}
4427
4428static int vm_can_run(void)
4429{
4430 if (powerdown_requested)
4431 return 0;
4432 if (reset_requested)
4433 return 0;
4434 if (shutdown_requested)
4435 return 0;
e568902a
AL		 4436 if (debug_requested)
4437 return 0;
43b96858
AL		 4438 return 1;
4439}
4440
4441static void main_loop(void)
4442{
6e29f5da 4443 int r;
e6e35b1e 4444
d6dc3d42
AL		 4445#ifdef CONFIG_IOTHREAD
4446 qemu_system_ready = 1;
4447 qemu_cond_broadcast(&qemu_system_cond);
4448#endif
4449
6e29f5da 4450 for (;;) {
43b96858 4451 do {
e6e35b1e
AL		 4452#ifdef CONFIG_PROFILER
4453 int64_t ti;
4454#endif
d6dc3d42 4455#ifndef CONFIG_IOTHREAD
e6e35b1e 4456 tcg_cpu_exec();
d6dc3d42 4457#endif
89bfc105 4458#ifdef CONFIG_PROFILER
43b96858 4459 ti = profile_getclock();
89bfc105 4460#endif
d6dc3d42
AL		 4461#ifdef CONFIG_IOTHREAD
4462 main_loop_wait(1000);
4463#else
43b96858 4464 main_loop_wait(qemu_calculate_timeout());
d6dc3d42 4465#endif
89bfc105 4466#ifdef CONFIG_PROFILER
43b96858 4467 dev_time += profile_getclock() - ti;
89bfc105 4468#endif
e568902a 4469 } while (vm_can_run());
43b96858 4470
e568902a
AL		 4471 if (qemu_debug_requested())
4472 vm_stop(EXCP_DEBUG);
43b96858
AL		 4473 if (qemu_shutdown_requested()) {
4474 if (no_shutdown) {
4475 vm_stop(0);
4476 no_shutdown = 0;
4477 } else
4478 break;
4479 }
d6dc3d42
AL		 4480 if (qemu_reset_requested()) {
4481 pause_all_vcpus();
43b96858 4482 qemu_system_reset();
d6dc3d42
AL		 4483 resume_all_vcpus();
4484 }
43b96858
AL		 4485 if (qemu_powerdown_requested())
4486 qemu_system_powerdown();
6e29f5da
AL		 4487 if ((r = qemu_vmstop_requested()))
4488 vm_stop(r);
b4608c04 4489 }
d6dc3d42 4490 pause_all_vcpus();
b4608c04
FB		 4491}
4492
9bd7e6d9
PB		 4493static void version(void)
4494{
4a19f1ec 4495 printf("QEMU PC emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
9bd7e6d9
PB		 4496}
4497
15f82208 4498static void help(int exitcode)
0824d6fc 4499{
9bd7e6d9
PB		 4500 version();
4501 printf("usage: %s [options] [disk_image]\n"
0824d6fc 4502 "\n"
a20dd508 4503 "'disk_image' is a raw hard image image for IDE hard disk 0\n"
fc01f7e7 4504 "\n"
5824d651
BS		 4505#define DEF(option, opt_arg, opt_enum, opt_help) \
4506 opt_help
4507#define DEFHEADING(text) stringify(text) "\n"
4508#include "qemu-options.h"
4509#undef DEF
4510#undef DEFHEADING
4511#undef GEN_DOCS
0824d6fc 4512 "\n"
82c643ff 4513 "During emulation, the following keys are useful:\n"
032a8c9e
FB		 4514 "ctrl-alt-f toggle full screen\n"
4515 "ctrl-alt-n switch to virtual console 'n'\n"
4516 "ctrl-alt toggle mouse and keyboard grab\n"
82c643ff
FB		 4517 "\n"
4518 "When using -nographic, press 'ctrl-a h' to get some help.\n"
4519 ,
0db63474 4520 "qemu",
a00bad7e 4521 DEFAULT_RAM_SIZE,
7c9d8e07 4522#ifndef _WIN32
a00bad7e 4523 DEFAULT_NETWORK_SCRIPT,
b46a8906 4524 DEFAULT_NETWORK_DOWN_SCRIPT,
7c9d8e07 4525#endif
6e44ba7f 4526 DEFAULT_GDBSTUB_PORT,
bce61846 4527 "/tmp/qemu.log");
15f82208 4528 exit(exitcode);
0824d6fc
FB		 4529}
4530
cd6f1169
FB		 4531#define HAS_ARG 0x0001
4532
4533enum {
5824d651
BS		 4534#define DEF(option, opt_arg, opt_enum, opt_help) \
4535 opt_enum,
4536#define DEFHEADING(text)
4537#include "qemu-options.h"
4538#undef DEF
4539#undef DEFHEADING
4540#undef GEN_DOCS
cd6f1169
FB		 4541};
4542
4543typedef struct QEMUOption {
4544 const char *name;
4545 int flags;
4546 int index;
4547} QEMUOption;
4548
dbed7e40 4549static const QEMUOption qemu_options[] = {
cd6f1169 4550 { "h", 0, QEMU_OPTION_h },
5824d651
BS		 4551#define DEF(option, opt_arg, opt_enum, opt_help) \
4552 { option, opt_arg, opt_enum },
4553#define DEFHEADING(text)
4554#include "qemu-options.h"
4555#undef DEF
4556#undef DEFHEADING
4557#undef GEN_DOCS
cd6f1169 4558 { NULL },
fc01f7e7
FB		 4559};
4560
1d14ffa9 4561#ifdef HAS_AUDIO
6a36d84e 4562struct soundhw soundhw[] = {
b00052e4 4563#ifdef HAS_AUDIO_CHOICE
4ce7ff6e 4564#if defined(TARGET_I386) || defined(TARGET_MIPS)
fd06c375
FB		 4565 {
4566 "pcspk",
4567 "PC speaker",
4568 0,
4569 1,
4570 { .init_isa = pcspk_audio_init }
4571 },
4572#endif
4c9b53e3 4573
4574#ifdef CONFIG_SB16
6a36d84e
FB		 4575 {
4576 "sb16",
4577 "Creative Sound Blaster 16",
4578 0,
4579 1,
4580 { .init_isa = SB16_init }
4581 },
4c9b53e3 4582#endif
6a36d84e 4583
cc53d26d 4584#ifdef CONFIG_CS4231A
4585 {
4586 "cs4231a",
4587 "CS4231A",
4588 0,
4589 1,
4590 { .init_isa = cs4231a_init }
4591 },
4592#endif
4593
1d14ffa9 4594#ifdef CONFIG_ADLIB
6a36d84e
FB		 4595 {
4596 "adlib",
1d14ffa9 4597#ifdef HAS_YMF262
6a36d84e 4598 "Yamaha YMF262 (OPL3)",
1d14ffa9 4599#else
6a36d84e 4600 "Yamaha YM3812 (OPL2)",
1d14ffa9 4601#endif
6a36d84e
FB		 4602 0,
4603 1,
4604 { .init_isa = Adlib_init }
4605 },
1d14ffa9 4606#endif
6a36d84e 4607
1d14ffa9 4608#ifdef CONFIG_GUS
6a36d84e
FB		 4609 {
4610 "gus",
4611 "Gravis Ultrasound GF1",
4612 0,
4613 1,
4614 { .init_isa = GUS_init }
4615 },
1d14ffa9 4616#endif
6a36d84e 4617
4c9b53e3 4618#ifdef CONFIG_AC97
e5c9a13e
AZ		 4619 {
4620 "ac97",
4621 "Intel 82801AA AC97 Audio",
4622 0,
4623 0,
4624 { .init_pci = ac97_init }
4625 },
4c9b53e3 4626#endif
e5c9a13e 4627
4c9b53e3 4628#ifdef CONFIG_ES1370
6a36d84e
FB		 4629 {
4630 "es1370",
4631 "ENSONIQ AudioPCI ES1370",
4632 0,
4633 0,
4634 { .init_pci = es1370_init }
4635 },
b00052e4 4636#endif
6a36d84e 4637
4c9b53e3 4638#endif /* HAS_AUDIO_CHOICE */
4639
6a36d84e
FB		 4640 { NULL, NULL, 0, 0, { NULL } }
4641};
4642
4643static void select_soundhw (const char *optarg)
4644{
4645 struct soundhw *c;
4646
4647 if (*optarg == '?') {
4648 show_valid_cards:
4649
4650 printf ("Valid sound card names (comma separated):\n");
4651 for (c = soundhw; c->name; ++c) {
4652 printf ("%-11s %s\n", c->name, c->descr);
4653 }
4654 printf ("\n-soundhw all will enable all of the above\n");
1d14ffa9
FB		 4655 exit (*optarg != '?');
4656 }
4657 else {
6a36d84e 4658 size_t l;
1d14ffa9
FB		 4659 const char *p;
4660 char *e;
4661 int bad_card = 0;
4662
6a36d84e
FB		 4663 if (!strcmp (optarg, "all")) {
4664 for (c = soundhw; c->name; ++c) {
4665 c->enabled = 1;
4666 }
4667 return;
4668 }
1d14ffa9 4669
6a36d84e 4670 p = optarg;
1d14ffa9
FB		 4671 while (*p) {
4672 e = strchr (p, ',');
4673 l = !e ? strlen (p) : (size_t) (e - p);
6a36d84e
FB		 4674
4675 for (c = soundhw; c->name; ++c) {
4676 if (!strncmp (c->name, p, l)) {
4677 c->enabled = 1;
1d14ffa9
FB		 4678 break;
4679 }
4680 }
6a36d84e
FB		 4681
4682 if (!c->name) {
1d14ffa9
FB		 4683 if (l > 80) {
4684 fprintf (stderr,
4685 "Unknown sound card name (too big to show)\n");
4686 }
4687 else {
4688 fprintf (stderr, "Unknown sound card name `%.*s'\n",
4689 (int) l, p);
4690 }
4691 bad_card = 1;
4692 }
4693 p += l + (e != NULL);
4694 }
4695
4696 if (bad_card)
4697 goto show_valid_cards;
4698 }
4699}
4700#endif
4701
3893c124 4702static void select_vgahw (const char *p)
4703{
4704 const char *opts;
4705
28b85ed8
AL		 4706 cirrus_vga_enabled = 0;
4707 std_vga_enabled = 0;
4708 vmsvga_enabled = 0;
94909d9f 4709 xenfb_enabled = 0;
3893c124 4710 if (strstart(p, "std", &opts)) {
c2b3b41a 4711 std_vga_enabled = 1;
3893c124 4712 } else if (strstart(p, "cirrus", &opts)) {
4713 cirrus_vga_enabled = 1;
3893c124 4714 } else if (strstart(p, "vmware", &opts)) {
3893c124 4715 vmsvga_enabled = 1;
94909d9f
AL		 4716 } else if (strstart(p, "xenfb", &opts)) {
4717 xenfb_enabled = 1;
28b85ed8 4718 } else if (!strstart(p, "none", &opts)) {
3893c124 4719 invalid_vga:
4720 fprintf(stderr, "Unknown vga type: %s\n", p);
4721 exit(1);
4722 }
cb5a7aa8 4723 while (*opts) {
4724 const char *nextopt;
4725
4726 if (strstart(opts, ",retrace=", &nextopt)) {
4727 opts = nextopt;
4728 if (strstart(opts, "dumb", &nextopt))
4729 vga_retrace_method = VGA_RETRACE_DUMB;
4730 else if (strstart(opts, "precise", &nextopt))
4731 vga_retrace_method = VGA_RETRACE_PRECISE;
4732 else goto invalid_vga;
4733 } else goto invalid_vga;
4734 opts = nextopt;
4735 }
3893c124 4736}
4737
3587d7e6
FB		 4738#ifdef _WIN32
4739static BOOL WINAPI qemu_ctrl_handler(DWORD type)
4740{
4741 exit(STATUS_CONTROL_C_EXIT);
4742 return TRUE;
4743}
4744#endif
4745
c4be29ff 4746int qemu_uuid_parse(const char *str, uint8_t *uuid)
8fcb1b90
BS		 4747{
4748 int ret;
4749
4750 if(strlen(str) != 36)
4751 return -1;
4752
4753 ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
4754 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
4755 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], &uuid[15]);
4756
4757 if(ret != 16)
4758 return -1;
4759
b6f6e3d3
AL		 4760#ifdef TARGET_I386
4761 smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
4762#endif
4763
8fcb1b90
BS		 4764 return 0;
4765}
4766
7c9d8e07 4767#define MAX_NET_CLIENTS 32
c20709aa 4768
5b08fc10
AL		 4769#ifndef _WIN32
4770
4771static void termsig_handler(int signal)
4772{
4773 qemu_system_shutdown_request();
4774}
4775
7c3370d4
JK		 4776static void sigchld_handler(int signal)
4777{
4778 waitpid(-1, NULL, WNOHANG);
4779}
4780
4781static void sighandler_setup(void)
5b08fc10
AL		 4782{
4783 struct sigaction act;
4784
4785 memset(&act, 0, sizeof(act));
4786 act.sa_handler = termsig_handler;
4787 sigaction(SIGINT, &act, NULL);
4788 sigaction(SIGHUP, &act, NULL);
4789 sigaction(SIGTERM, &act, NULL);
7c3370d4
JK		 4790
4791 act.sa_handler = sigchld_handler;
4792 act.sa_flags = SA_NOCLDSTOP;
4793 sigaction(SIGCHLD, &act, NULL);
5b08fc10
AL		 4794}
4795
4796#endif
4797
5cea8590
PB		 4798#ifdef _WIN32
4799/* Look for support files in the same directory as the executable. */
4800static char *find_datadir(const char *argv0)
4801{
4802 char *p;
4803 char buf[MAX_PATH];
4804 DWORD len;
4805
4806 len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
4807 if (len == 0) {
4808 return len;
4809 }
4810
4811 buf[len] = 0;
4812 p = buf + len - 1;
4813 while (p != buf && *p != '\\')
4814 p--;
4815 *p = 0;
4816 if (access(buf, R_OK) == 0) {
4817 return qemu_strdup(buf);
4818 }
4819 return NULL;
4820}
4821#else /* !_WIN32 */
4822
4823/* Find a likely location for support files using the location of the binary.
4824 For installed binaries this will be "$bindir/../share/qemu". When
4825 running from the build tree this will be "$bindir/../pc-bios". */
4826#define SHARE_SUFFIX "/share/qemu"
4827#define BUILD_SUFFIX "/pc-bios"
4828static char *find_datadir(const char *argv0)
4829{
4830 char *dir;
4831 char *p = NULL;
4832 char *res;
4833#ifdef PATH_MAX
4834 char buf[PATH_MAX];
4835#endif
4836
4837#if defined(__linux__)
4838 {
4839 int len;
4840 len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
4841 if (len > 0) {
4842 buf[len] = 0;
4843 p = buf;
4844 }
4845 }
4846#elif defined(__FreeBSD__)
4847 {
4848 int len;
4849 len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
4850 if (len > 0) {
4851 buf[len] = 0;
4852 p = buf;
4853 }
4854 }
4855#endif
4856 /* If we don't have any way of figuring out the actual executable
4857 location then try argv[0]. */
4858 if (!p) {
4859#ifdef PATH_MAX
4860 p = buf;
4861#endif
4862 p = realpath(argv0, p);
4863 if (!p) {
4864 return NULL;
4865 }
4866 }
4867 dir = dirname(p);
4868 dir = dirname(dir);
4869
4870 res = qemu_mallocz(strlen(dir) +
4871 MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1);
4872 sprintf(res, "%s%s", dir, SHARE_SUFFIX);
4873 if (access(res, R_OK)) {
4874 sprintf(res, "%s%s", dir, BUILD_SUFFIX);
4875 if (access(res, R_OK)) {
4876 qemu_free(res);
4877 res = NULL;
4878 }
4879 }
4880#ifndef PATH_MAX
4881 free(p);
4882#endif
4883 return res;
4884}
4885#undef SHARE_SUFFIX
4886#undef BUILD_SUFFIX
4887#endif
4888
4889char *qemu_find_file(int type, const char *name)
4890{
4891 int len;
4892 const char *subdir;
4893 char *buf;
4894
4895 /* If name contains path separators then try it as a straight path. */
4896 if ((strchr(name, '/') || strchr(name, '\\'))
4897 && access(name, R_OK) == 0) {
4898 return strdup(name);
4899 }
4900 switch (type) {
4901 case QEMU_FILE_TYPE_BIOS:
4902 subdir = "";
4903 break;
4904 case QEMU_FILE_TYPE_KEYMAP:
4905 subdir = "keymaps/";
4906 break;
4907 default:
4908 abort();
4909 }
4910 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
4911 buf = qemu_mallocz(len);
4912 sprintf(buf, "%s/%s%s", data_dir, subdir, name);
4913 if (access(buf, R_OK)) {
4914 qemu_free(buf);
4915 return NULL;
4916 }
4917 return buf;
4918}
4919
902b3d5c 4920int main(int argc, char **argv, char **envp)
0824d6fc 4921{
59030a8c 4922 const char *gdbstub_dev = NULL;
28c5af54 4923 uint32_t boot_devices_bitmap = 0;
e4bcb14c 4924 int i;
28c5af54 4925 int snapshot, linux_boot, net_boot;
7f7f9873 4926 const char *initrd_filename;
a20dd508 4927 const char *kernel_filename, *kernel_cmdline;
28c5af54 4928 const char *boot_devices = "";
3023f332 4929 DisplayState *ds;
7d957bd8 4930 DisplayChangeListener *dcl;
46d4767d 4931 int cyls, heads, secs, translation;
fd5f393a 4932 const char *net_clients[MAX_NET_CLIENTS];
7c9d8e07 4933 int nb_net_clients;
dc72ac14
AZ		 4934 const char *bt_opts[MAX_BT_CMDLINE];
4935 int nb_bt_opts;
e4bcb14c 4936 int hda_index;
cd6f1169
FB		 4937 int optind;
4938 const char *r, *optarg;
4c621805 4939 CharDriverState *monitor_hd = NULL;
fd5f393a
PB		 4940 const char *monitor_device;
4941 const char *serial_devices[MAX_SERIAL_PORTS];
8d11df9e 4942 int serial_device_index;
fd5f393a 4943 const char *parallel_devices[MAX_PARALLEL_PORTS];
6508fe59 4944 int parallel_device_index;
9ede2fde
AL		 4945 const char *virtio_consoles[MAX_VIRTIO_CONSOLES];
4946 int virtio_console_index;
d63d307f 4947 const char *loadvm = NULL;
cc1daa40 4948 QEMUMachine *machine;
94fc95cd 4949 const char *cpu_model;
fd5f393a 4950 const char *usb_devices[MAX_USB_CMDLINE];
a594cfbf 4951 int usb_devices_index;
b9e82a59 4952#ifndef _WIN32
71e3ceb8 4953 int fds[2];
b9e82a59 4954#endif
26a5f13b 4955 int tb_size;
93815bc2 4956 const char *pid_file = NULL;
5bb7910a 4957 const char *incoming = NULL;
b9e82a59 4958#ifndef _WIN32
54042bcf
AL		 4959 int fd = 0;
4960 struct passwd *pwd = NULL;
0858532e
AL		 4961 const char *chroot_dir = NULL;
4962 const char *run_as = NULL;
b9e82a59 4963#endif
268a362c 4964 CPUState *env;
993fbfdb 4965 int show_vnc_port = 0;
0bd48850 4966
902b3d5c 4967 qemu_cache_utils_init(envp);
4968
0bd48850 4969 LIST_INIT (&vm_change_state_head);
be995c27
FB		 4970#ifndef _WIN32
4971 {
4972 struct sigaction act;
4973 sigfillset(&act.sa_mask);
4974 act.sa_flags = 0;
4975 act.sa_handler = SIG_IGN;
4976 sigaction(SIGPIPE, &act, NULL);
4977 }
3587d7e6
FB		 4978#else
4979 SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
a8e5ac33
FB		 4980 /* Note: cpu_interrupt() is currently not SMP safe, so we force
4981 QEMU to run on a single CPU */
4982 {
4983 HANDLE h;
4984 DWORD mask, smask;
4985 int i;
4986 h = GetCurrentProcess();
4987 if (GetProcessAffinityMask(h, &mask, &smask)) {
4988 for(i = 0; i < 32; i++) {
4989 if (mask & (1 << i))
4990 break;
4991 }
4992 if (i != 32) {
4993 mask = 1 << i;
4994 SetProcessAffinityMask(h, mask);
4995 }
4996 }
4997 }
67b915a5 4998#endif
be995c27 4999
f80f9ec9 5000 module_call_init(MODULE_INIT_MACHINE);
0c257437 5001 machine = find_default_machine();
94fc95cd 5002 cpu_model = NULL;
fc01f7e7 5003 initrd_filename = NULL;
4fc5d071 5004 ram_size = 0;
33e3963e 5005 snapshot = 0;
a20dd508
FB		 5006 kernel_filename = NULL;
5007 kernel_cmdline = "";
c4b1fcc0 5008 cyls = heads = secs = 0;
46d4767d 5009 translation = BIOS_ATA_TRANSLATION_AUTO;
d47d13b9 5010 monitor_device = "vc:80Cx24C";
c4b1fcc0 5011
c75a823c 5012 serial_devices[0] = "vc:80Cx24C";
8d11df9e 5013 for(i = 1; i < MAX_SERIAL_PORTS; i++)
fd5f393a 5014 serial_devices[i] = NULL;
8d11df9e 5015 serial_device_index = 0;
3b46e624 5016
8290edda 5017 parallel_devices[0] = "vc:80Cx24C";
6508fe59 5018 for(i = 1; i < MAX_PARALLEL_PORTS; i++)
fd5f393a 5019 parallel_devices[i] = NULL;
6508fe59 5020 parallel_device_index = 0;
3b46e624 5021
1b8fc811 5022 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++)
9ede2fde
AL		 5023 virtio_consoles[i] = NULL;
5024 virtio_console_index = 0;
5025
268a362c
AL		 5026 for (i = 0; i < MAX_NODES; i++) {
5027 node_mem[i] = 0;
5028 node_cpumask[i] = 0;
5029 }
5030
a594cfbf 5031 usb_devices_index = 0;
3b46e624 5032
7c9d8e07 5033 nb_net_clients = 0;
dc72ac14 5034 nb_bt_opts = 0;
e4bcb14c
TS		 5035 nb_drives = 0;
5036 nb_drives_opt = 0;
268a362c 5037 nb_numa_nodes = 0;
e4bcb14c 5038 hda_index = -1;
7c9d8e07
FB		 5039
5040 nb_nics = 0;
3b46e624 5041
26a5f13b 5042 tb_size = 0;
41bd639b
BS		 5043 autostart= 1;
5044
9dd986cc
RJ		 5045 register_watchdogs();
5046
cd6f1169 5047 optind = 1;
0824d6fc 5048 for(;;) {
cd6f1169 5049 if (optind >= argc)
0824d6fc 5050 break;
cd6f1169
FB		 5051 r = argv[optind];
5052 if (r[0] != '-') {
609497ab 5053 hda_index = drive_add(argv[optind++], HD_ALIAS, 0);
cd6f1169
FB		 5054 } else {
5055 const QEMUOption *popt;
5056
5057 optind++;
dff5efc8
PB		 5058 /* Treat --foo the same as -foo. */
5059 if (r[1] == '-')
5060 r++;
cd6f1169
FB		 5061 popt = qemu_options;
5062 for(;;) {
5063 if (!popt->name) {
5fafdf24 5064 fprintf(stderr, "%s: invalid option -- '%s'\n",
cd6f1169
FB		 5065 argv[0], r);
5066 exit(1);
5067 }
5068 if (!strcmp(popt->name, r + 1))
5069 break;
5070 popt++;
5071 }
5072 if (popt->flags & HAS_ARG) {
5073 if (optind >= argc) {
5074 fprintf(stderr, "%s: option '%s' requires an argument\n",
5075 argv[0], r);
5076 exit(1);
5077 }
5078 optarg = argv[optind++];
5079 } else {
5080 optarg = NULL;
5081 }
5082
5083 switch(popt->index) {
cc1daa40
FB		 5084 case QEMU_OPTION_M:
5085 machine = find_machine(optarg);
5086 if (!machine) {
5087 QEMUMachine *m;
5088 printf("Supported machines are:\n");
5089 for(m = first_machine; m != NULL; m = m->next) {
5090 printf("%-10s %s%s\n",
5fafdf24 5091 m->name, m->desc,
0c257437 5092 m->is_default ? " (default)" : "");
cc1daa40 5093 }
15f82208 5094 exit(*optarg != '?');
cc1daa40
FB		 5095 }
5096 break;
94fc95cd
JM		 5097 case QEMU_OPTION_cpu:
5098 /* hw initialization will check this */
15f82208 5099 if (*optarg == '?') {
c732abe2
JM		 5100/* XXX: implement xxx_cpu_list for targets that still miss it */
5101#if defined(cpu_list)
5102 cpu_list(stdout, &fprintf);
94fc95cd 5103#endif
15f82208 5104 exit(0);
94fc95cd
JM		 5105 } else {
5106 cpu_model = optarg;
5107 }
5108 break;
cd6f1169 5109 case QEMU_OPTION_initrd:
fc01f7e7
FB		 5110 initrd_filename = optarg;
5111 break;
cd6f1169 5112 case QEMU_OPTION_hda:
e4bcb14c 5113 if (cyls == 0)
609497ab 5114 hda_index = drive_add(optarg, HD_ALIAS, 0);
e4bcb14c 5115 else
609497ab 5116 hda_index = drive_add(optarg, HD_ALIAS
e4bcb14c 5117 ",cyls=%d,heads=%d,secs=%d%s",
609497ab 5118 0, cyls, heads, secs,
e4bcb14c
TS		 5119 translation == BIOS_ATA_TRANSLATION_LBA ?
5120 ",trans=lba" :
5121 translation == BIOS_ATA_TRANSLATION_NONE ?
5122 ",trans=none" : "");
5123 break;
cd6f1169 5124 case QEMU_OPTION_hdb:
cc1daa40
FB		 5125 case QEMU_OPTION_hdc:
5126 case QEMU_OPTION_hdd:
609497ab 5127 drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda);
fc01f7e7 5128 break;
e4bcb14c 5129 case QEMU_OPTION_drive:
609497ab 5130 drive_add(NULL, "%s", optarg);
e4bcb14c 5131 break;
3e3d5815 5132 case QEMU_OPTION_mtdblock:
609497ab 5133 drive_add(optarg, MTD_ALIAS);
3e3d5815 5134 break;
a1bb27b1 5135 case QEMU_OPTION_sd:
609497ab 5136 drive_add(optarg, SD_ALIAS);
a1bb27b1 5137 break;
86f55663 5138 case QEMU_OPTION_pflash:
609497ab 5139 drive_add(optarg, PFLASH_ALIAS);
86f55663 5140 break;
cd6f1169 5141 case QEMU_OPTION_snapshot:
33e3963e
FB		 5142 snapshot = 1;
5143 break;
cd6f1169 5144 case QEMU_OPTION_hdachs:
330d0414 5145 {
330d0414
FB		 5146 const char *p;
5147 p = optarg;
5148 cyls = strtol(p, (char **)&p, 0);
46d4767d
FB		 5149 if (cyls < 1 || cyls > 16383)
5150 goto chs_fail;
330d0414
FB		 5151 if (*p != ',')
5152 goto chs_fail;
5153 p++;
5154 heads = strtol(p, (char **)&p, 0);
46d4767d
FB		 5155 if (heads < 1 || heads > 16)
5156 goto chs_fail;
330d0414
FB		 5157 if (*p != ',')
5158 goto chs_fail;
5159 p++;
5160 secs = strtol(p, (char **)&p, 0);
46d4767d
FB		 5161 if (secs < 1 || secs > 63)
5162 goto chs_fail;
5163 if (*p == ',') {
5164 p++;
5165 if (!strcmp(p, "none"))
5166 translation = BIOS_ATA_TRANSLATION_NONE;
5167 else if (!strcmp(p, "lba"))
5168 translation = BIOS_ATA_TRANSLATION_LBA;
5169 else if (!strcmp(p, "auto"))
5170 translation = BIOS_ATA_TRANSLATION_AUTO;
5171 else
5172 goto chs_fail;
5173 } else if (*p != '\0') {
c4b1fcc0 5174 chs_fail:
46d4767d
FB		 5175 fprintf(stderr, "qemu: invalid physical CHS format\n");
5176 exit(1);
c4b1fcc0 5177 }
e4bcb14c 5178 if (hda_index != -1)
609497ab
AZ		 5179 snprintf(drives_opt[hda_index].opt,
5180 sizeof(drives_opt[hda_index].opt),
5181 HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s",
5182 0, cyls, heads, secs,
e4bcb14c
TS		 5183 translation == BIOS_ATA_TRANSLATION_LBA ?
5184 ",trans=lba" :
5185 translation == BIOS_ATA_TRANSLATION_NONE ?
5186 ",trans=none" : "");
330d0414
FB		 5187 }
5188 break;
268a362c
AL		 5189 case QEMU_OPTION_numa:
5190 if (nb_numa_nodes >= MAX_NODES) {
5191 fprintf(stderr, "qemu: too many NUMA nodes\n");
5192 exit(1);
5193 }
5194 numa_add(optarg);
5195 break;
cd6f1169 5196 case QEMU_OPTION_nographic:
993fbfdb 5197 display_type = DT_NOGRAPHIC;
a20dd508 5198 break;
4d3b6f6e
AZ		 5199#ifdef CONFIG_CURSES
5200 case QEMU_OPTION_curses:
993fbfdb 5201 display_type = DT_CURSES;
4d3b6f6e
AZ		 5202 break;
5203#endif
a171fe39
AZ		 5204 case QEMU_OPTION_portrait:
5205 graphic_rotate = 1;
5206 break;
cd6f1169 5207 case QEMU_OPTION_kernel:
a20dd508
FB		 5208 kernel_filename = optarg;
5209 break;
cd6f1169 5210 case QEMU_OPTION_append:
a20dd508 5211 kernel_cmdline = optarg;
313aa567 5212 break;
cd6f1169 5213 case QEMU_OPTION_cdrom:
609497ab 5214 drive_add(optarg, CDROM_ALIAS);
36b486bb 5215 break;
cd6f1169 5216 case QEMU_OPTION_boot:
28c5af54
JM		 5217 boot_devices = optarg;
5218 /* We just do some generic consistency checks */
5219 {
5220 /* Could easily be extended to 64 devices if needed */
60fe76f3 5221 const char *p;
28c5af54
JM		 5222
5223 boot_devices_bitmap = 0;
5224 for (p = boot_devices; *p != '\0'; p++) {
5225 /* Allowed boot devices are:
5226 * a b : floppy disk drives
5227 * c ... f : IDE disk drives
5228 * g ... m : machine implementation dependant drives
5229 * n ... p : network devices
5230 * It's up to each machine implementation to check
5231 * if the given boot devices match the actual hardware
5232 * implementation and firmware features.
5233 */
5234 if (*p < 'a' || *p > 'q') {
5235 fprintf(stderr, "Invalid boot device '%c'\n", *p);
5236 exit(1);
5237 }
5238 if (boot_devices_bitmap & (1 << (*p - 'a'))) {
5239 fprintf(stderr,
5240 "Boot device '%c' was given twice\n",*p);
5241 exit(1);
5242 }
5243 boot_devices_bitmap |= 1 << (*p - 'a');
5244 }
36b486bb
FB		 5245 }
5246 break;
cd6f1169 5247 case QEMU_OPTION_fda:
cd6f1169 5248 case QEMU_OPTION_fdb:
609497ab 5249 drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda);
c45886db 5250 break;
52ca8d6a
FB		 5251#ifdef TARGET_I386
5252 case QEMU_OPTION_no_fd_bootchk:
5253 fd_bootchk = 0;
5254 break;
5255#endif
7c9d8e07
FB		 5256 case QEMU_OPTION_net:
5257 if (nb_net_clients >= MAX_NET_CLIENTS) {
5258 fprintf(stderr, "qemu: too many network clients\n");
c4b1fcc0
FB		 5259 exit(1);
5260 }
fd5f393a 5261 net_clients[nb_net_clients] = optarg;
7c9d8e07 5262 nb_net_clients++;
702c651c 5263 break;
c7f74643
FB		 5264#ifdef CONFIG_SLIRP
5265 case QEMU_OPTION_tftp:
c7f74643 5266 tftp_prefix = optarg;
9bf05444 5267 break;
47d5d01a
TS		 5268 case QEMU_OPTION_bootp:
5269 bootp_filename = optarg;
5270 break;
c94c8d64 5271#ifndef _WIN32
9d728e8c
FB		 5272 case QEMU_OPTION_smb:
5273 net_slirp_smb(optarg);
5274 break;
c94c8d64 5275#endif
9bf05444 5276 case QEMU_OPTION_redir:
c1261d8d 5277 net_slirp_redir(NULL, optarg, NULL);
9bf05444 5278 break;
c7f74643 5279#endif
dc72ac14
AZ		 5280 case QEMU_OPTION_bt:
5281 if (nb_bt_opts >= MAX_BT_CMDLINE) {
5282 fprintf(stderr, "qemu: too many bluetooth options\n");
5283 exit(1);
5284 }
5285 bt_opts[nb_bt_opts++] = optarg;
5286 break;
1d14ffa9 5287#ifdef HAS_AUDIO
1d14ffa9
FB		 5288 case QEMU_OPTION_audio_help:
5289 AUD_help ();
5290 exit (0);
5291 break;
5292 case QEMU_OPTION_soundhw:
5293 select_soundhw (optarg);
5294 break;
5295#endif
cd6f1169 5296 case QEMU_OPTION_h:
15f82208 5297 help(0);
cd6f1169 5298 break;
9bd7e6d9
PB		 5299 case QEMU_OPTION_version:
5300 version();
5301 exit(0);
5302 break;
00f82b8a
AJ		 5303 case QEMU_OPTION_m: {
5304 uint64_t value;
5305 char *ptr;
5306
5307 value = strtoul(optarg, &ptr, 10);
5308 switch (*ptr) {
5309 case 0: case 'M': case 'm':
5310 value <<= 20;
5311 break;
5312 case 'G': case 'g':
5313 value <<= 30;
5314 break;
5315 default:
5316 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
cd6f1169
FB		 5317 exit(1);
5318 }
00f82b8a
AJ		 5319
5320 /* On 32-bit hosts, QEMU is limited by virtual address space */
5321 if (value > (2047 << 20)
640f42e4 5322#ifndef CONFIG_KQEMU
00f82b8a
AJ		 5323 && HOST_LONG_BITS == 32
5324#endif
5325 ) {
5326 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
5327 exit(1);
5328 }
5329 if (value != (uint64_t)(ram_addr_t)value) {
5330 fprintf(stderr, "qemu: ram size too large\n");
5331 exit(1);
5332 }
5333 ram_size = value;
cd6f1169 5334 break;
00f82b8a 5335 }
cd6f1169
FB		 5336 case QEMU_OPTION_d:
5337 {
5338 int mask;
c7cd6a37 5339 const CPULogItem *item;
3b46e624 5340
cd6f1169
FB		 5341 mask = cpu_str_to_log_mask(optarg);
5342 if (!mask) {
5343 printf("Log items (comma separated):\n");
f193c797
FB		 5344 for(item = cpu_log_items; item->mask != 0; item++) {
5345 printf("%-10s %s\n", item->name, item->help);
5346 }
5347 exit(1);
cd6f1169
FB		 5348 }
5349 cpu_set_log(mask);
f193c797 5350 }
cd6f1169 5351 break;
cd6f1169 5352 case QEMU_OPTION_s:
59030a8c 5353 gdbstub_dev = "tcp::" DEFAULT_GDBSTUB_PORT;
cd6f1169 5354 break;
59030a8c
AL		 5355 case QEMU_OPTION_gdb:
5356 gdbstub_dev = optarg;
cd6f1169 5357 break;
cd6f1169 5358 case QEMU_OPTION_L:
5cea8590 5359 data_dir = optarg;
cd6f1169 5360 break;
1192dad8
JM		 5361 case QEMU_OPTION_bios:
5362 bios_name = optarg;
5363 break;
1b530a6d
AJ		 5364 case QEMU_OPTION_singlestep:
5365 singlestep = 1;
5366 break;
cd6f1169 5367 case QEMU_OPTION_S:
3c07f8e8 5368 autostart = 0;
cd6f1169 5369 break;
5824d651 5370#ifndef _WIN32
3d11d0eb
FB		 5371 case QEMU_OPTION_k:
5372 keyboard_layout = optarg;
5373 break;
5824d651 5374#endif
ee22c2f7
FB		 5375 case QEMU_OPTION_localtime:
5376 rtc_utc = 0;
5377 break;
3893c124 5378 case QEMU_OPTION_vga:
5379 select_vgahw (optarg);
1bfe856e 5380 break;
5824d651 5381#if defined(TARGET_PPC) || defined(TARGET_SPARC)
e9b137c2
FB		 5382 case QEMU_OPTION_g:
5383 {
5384 const char *p;
5385 int w, h, depth;
5386 p = optarg;
5387 w = strtol(p, (char **)&p, 10);
5388 if (w <= 0) {
5389 graphic_error:
5390 fprintf(stderr, "qemu: invalid resolution or depth\n");
5391 exit(1);
5392 }
5393 if (*p != 'x')
5394 goto graphic_error;
5395 p++;
5396 h = strtol(p, (char **)&p, 10);
5397 if (h <= 0)
5398 goto graphic_error;
5399 if (*p == 'x') {
5400 p++;
5401 depth = strtol(p, (char **)&p, 10);
5fafdf24 5402 if (depth != 8 && depth != 15 && depth != 16 &&
e9b137c2
FB		 5403 depth != 24 && depth != 32)
5404 goto graphic_error;
5405 } else if (*p == '\0') {
5406 depth = graphic_depth;
5407 } else {
5408 goto graphic_error;
5409 }
3b46e624 5410
e9b137c2
FB		 5411 graphic_width = w;
5412 graphic_height = h;
5413 graphic_depth = depth;
5414 }
5415 break;
5824d651 5416#endif
20d8a3ed
TS		 5417 case QEMU_OPTION_echr:
5418 {
5419 char *r;
5420 term_escape_char = strtol(optarg, &r, 0);
5421 if (r == optarg)
5422 printf("Bad argument to echr\n");
5423 break;
5424 }
82c643ff 5425 case QEMU_OPTION_monitor:
fd5f393a 5426 monitor_device = optarg;
82c643ff
FB		 5427 break;
5428 case QEMU_OPTION_serial:
8d11df9e
FB		 5429 if (serial_device_index >= MAX_SERIAL_PORTS) {
5430 fprintf(stderr, "qemu: too many serial ports\n");
5431 exit(1);
5432 }
fd5f393a 5433 serial_devices[serial_device_index] = optarg;
8d11df9e 5434 serial_device_index++;
82c643ff 5435 break;
9dd986cc
RJ		 5436 case QEMU_OPTION_watchdog:
5437 i = select_watchdog(optarg);
5438 if (i > 0)
5439 exit (i == 1 ? 1 : 0);
5440 break;
5441 case QEMU_OPTION_watchdog_action:
5442 if (select_watchdog_action(optarg) == -1) {
5443 fprintf(stderr, "Unknown -watchdog-action parameter\n");
5444 exit(1);
5445 }
5446 break;
51ecf136
AL		 5447 case QEMU_OPTION_virtiocon:
5448 if (virtio_console_index >= MAX_VIRTIO_CONSOLES) {
5449 fprintf(stderr, "qemu: too many virtio consoles\n");
5450 exit(1);
5451 }
5452 virtio_consoles[virtio_console_index] = optarg;
5453 virtio_console_index++;
5454 break;
6508fe59
FB		 5455 case QEMU_OPTION_parallel:
5456 if (parallel_device_index >= MAX_PARALLEL_PORTS) {
5457 fprintf(stderr, "qemu: too many parallel ports\n");
5458 exit(1);
5459 }
fd5f393a 5460 parallel_devices[parallel_device_index] = optarg;
6508fe59
FB		 5461 parallel_device_index++;
5462 break;
d63d307f
FB		 5463 case QEMU_OPTION_loadvm:
5464 loadvm = optarg;
5465 break;
5466 case QEMU_OPTION_full_screen:
5467 full_screen = 1;
5468 break;
667accab 5469#ifdef CONFIG_SDL
43523e93
TS		 5470 case QEMU_OPTION_no_frame:
5471 no_frame = 1;
5472 break;
3780e197
TS		 5473 case QEMU_OPTION_alt_grab:
5474 alt_grab = 1;
5475 break;
667accab
TS		 5476 case QEMU_OPTION_no_quit:
5477 no_quit = 1;
5478 break;
7d957bd8 5479 case QEMU_OPTION_sdl:
993fbfdb 5480 display_type = DT_SDL;
7d957bd8 5481 break;
667accab 5482#endif
f7cce898 5483 case QEMU_OPTION_pidfile:
93815bc2 5484 pid_file = optarg;
f7cce898 5485 break;
a09db21f
FB		 5486#ifdef TARGET_I386
5487 case QEMU_OPTION_win2k_hack:
5488 win2k_install_hack = 1;
5489 break;
73822ec8
AL		 5490 case QEMU_OPTION_rtc_td_hack:
5491 rtc_td_hack = 1;
5492 break;
8a92ea2f
AL		 5493 case QEMU_OPTION_acpitable:
5494 if(acpi_table_add(optarg) < 0) {
5495 fprintf(stderr, "Wrong acpi table provided\n");
5496 exit(1);
5497 }
5498 break;
b6f6e3d3
AL		 5499 case QEMU_OPTION_smbios:
5500 if(smbios_entry_add(optarg) < 0) {
5501 fprintf(stderr, "Wrong smbios provided\n");
5502 exit(1);
5503 }
5504 break;
a09db21f 5505#endif
640f42e4 5506#ifdef CONFIG_KQEMU
d993e026
FB		 5507 case QEMU_OPTION_no_kqemu:
5508 kqemu_allowed = 0;
5509 break;
89bfc105
FB		 5510 case QEMU_OPTION_kernel_kqemu:
5511 kqemu_allowed = 2;
5512 break;
7ba1e619
AL		 5513#endif
5514#ifdef CONFIG_KVM
5515 case QEMU_OPTION_enable_kvm:
5516 kvm_allowed = 1;
640f42e4 5517#ifdef CONFIG_KQEMU
7ba1e619
AL		 5518 kqemu_allowed = 0;
5519#endif
5520 break;
d993e026 5521#endif
bb36d470
FB		 5522 case QEMU_OPTION_usb:
5523 usb_enabled = 1;
5524 break;
a594cfbf
FB		 5525 case QEMU_OPTION_usbdevice:
5526 usb_enabled = 1;
0d92ed30 5527 if (usb_devices_index >= MAX_USB_CMDLINE) {
a594cfbf
FB		 5528 fprintf(stderr, "Too many USB devices\n");
5529 exit(1);
5530 }
fd5f393a 5531 usb_devices[usb_devices_index] = optarg;
a594cfbf
FB		 5532 usb_devices_index++;
5533 break;
6a00d601
FB		 5534 case QEMU_OPTION_smp:
5535 smp_cpus = atoi(optarg);
b2097003 5536 if (smp_cpus < 1) {
6a00d601
FB		 5537 fprintf(stderr, "Invalid number of CPUs\n");
5538 exit(1);
5539 }
5540 break;
24236869 5541 case QEMU_OPTION_vnc:
993fbfdb 5542 display_type = DT_VNC;
73fc9742 5543 vnc_display = optarg;
24236869 5544 break;
5824d651 5545#ifdef TARGET_I386
6515b203
FB		 5546 case QEMU_OPTION_no_acpi:
5547 acpi_enabled = 0;
5548 break;
16b29ae1
AL		 5549 case QEMU_OPTION_no_hpet:
5550 no_hpet = 1;
5551 break;
5824d651 5552#endif
d1beab82
FB		 5553 case QEMU_OPTION_no_reboot:
5554 no_reboot = 1;
5555 break;
b2f76161
AJ		 5556 case QEMU_OPTION_no_shutdown:
5557 no_shutdown = 1;
5558 break;
9467cd46
AZ		 5559 case QEMU_OPTION_show_cursor:
5560 cursor_hide = 0;
5561 break;
8fcb1b90
BS		 5562 case QEMU_OPTION_uuid:
5563 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
5564 fprintf(stderr, "Fail to parse UUID string."
5565 " Wrong format.\n");
5566 exit(1);
5567 }
5568 break;
5824d651 5569#ifndef _WIN32
71e3ceb8
TS		 5570 case QEMU_OPTION_daemonize:
5571 daemonize = 1;
5572 break;
5824d651 5573#endif
9ae02555
TS		 5574 case QEMU_OPTION_option_rom:
5575 if (nb_option_roms >= MAX_OPTION_ROMS) {
5576 fprintf(stderr, "Too many option ROMs\n");
5577 exit(1);
5578 }
5579 option_rom[nb_option_roms] = optarg;
5580 nb_option_roms++;
5581 break;
5824d651 5582#if defined(TARGET_ARM) || defined(TARGET_M68K)
8e71621f
PB		 5583 case QEMU_OPTION_semihosting:
5584 semihosting_enabled = 1;
5585 break;
5824d651 5586#endif
c35734b2
TS		 5587 case QEMU_OPTION_name:
5588 qemu_name = optarg;
5589 break;
95efd11c 5590#if defined(TARGET_SPARC) || defined(TARGET_PPC)
66508601
BS		 5591 case QEMU_OPTION_prom_env:
5592 if (nb_prom_envs >= MAX_PROM_ENVS) {
5593 fprintf(stderr, "Too many prom variables\n");
5594 exit(1);
5595 }
5596 prom_envs[nb_prom_envs] = optarg;
5597 nb_prom_envs++;
5598 break;
2b8f2d41
AZ		 5599#endif
5600#ifdef TARGET_ARM
5601 case QEMU_OPTION_old_param:
5602 old_param = 1;
05ebd537 5603 break;
66508601 5604#endif
f3dcfada
TS		 5605 case QEMU_OPTION_clock:
5606 configure_alarms(optarg);
5607 break;
7e0af5d0
FB		 5608 case QEMU_OPTION_startdate:
5609 {
5610 struct tm tm;
f6503059 5611 time_t rtc_start_date;
7e0af5d0 5612 if (!strcmp(optarg, "now")) {
f6503059 5613 rtc_date_offset = -1;
7e0af5d0
FB		 5614 } else {
5615 if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
5616 &tm.tm_year,
5617 &tm.tm_mon,
5618 &tm.tm_mday,
5619 &tm.tm_hour,
5620 &tm.tm_min,
5621 &tm.tm_sec) == 6) {
5622 /* OK */
5623 } else if (sscanf(optarg, "%d-%d-%d",
5624 &tm.tm_year,
5625 &tm.tm_mon,
5626 &tm.tm_mday) == 3) {
5627 tm.tm_hour = 0;
5628 tm.tm_min = 0;
5629 tm.tm_sec = 0;
5630 } else {
5631 goto date_fail;
5632 }
5633 tm.tm_year -= 1900;
5634 tm.tm_mon--;
3c6b2088 5635 rtc_start_date = mktimegm(&tm);
7e0af5d0
FB		 5636 if (rtc_start_date == -1) {
5637 date_fail:
5638 fprintf(stderr, "Invalid date format. Valid format are:\n"
5639 "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
5640 exit(1);
5641 }
f6503059 5642 rtc_date_offset = time(NULL) - rtc_start_date;
7e0af5d0
FB		 5643 }
5644 }
5645 break;
26a5f13b
FB		 5646 case QEMU_OPTION_tb_size:
5647 tb_size = strtol(optarg, NULL, 0);
5648 if (tb_size < 0)
5649 tb_size = 0;
5650 break;
2e70f6ef
PB		 5651 case QEMU_OPTION_icount:
5652 use_icount = 1;
5653 if (strcmp(optarg, "auto") == 0) {
5654 icount_time_shift = -1;
5655 } else {
5656 icount_time_shift = strtol(optarg, NULL, 0);
5657 }
5658 break;
5bb7910a
AL		 5659 case QEMU_OPTION_incoming:
5660 incoming = optarg;
5661 break;
5824d651 5662#ifndef _WIN32
0858532e
AL		 5663 case QEMU_OPTION_chroot:
5664 chroot_dir = optarg;
5665 break;
5666 case QEMU_OPTION_runas:
5667 run_as = optarg;
5668 break;
e37630ca
AL		 5669#endif
5670#ifdef CONFIG_XEN
5671 case QEMU_OPTION_xen_domid:
5672 xen_domid = atoi(optarg);
5673 break;
5674 case QEMU_OPTION_xen_create:
5675 xen_mode = XEN_CREATE;
5676 break;
5677 case QEMU_OPTION_xen_attach:
5678 xen_mode = XEN_ATTACH;
5679 break;
5824d651 5680#endif
cd6f1169 5681 }
0824d6fc
FB		 5682 }
5683 }
330d0414 5684
5cea8590
PB		 5685 /* If no data_dir is specified then try to find it relative to the
5686 executable path. */
5687 if (!data_dir) {
5688 data_dir = find_datadir(argv[0]);
5689 }
5690 /* If all else fails use the install patch specified when building. */
5691 if (!data_dir) {
5692 data_dir = CONFIG_QEMU_SHAREDIR;
5693 }
5694
640f42e4 5695#if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
7ba1e619
AL		 5696 if (kvm_allowed && kqemu_allowed) {
5697 fprintf(stderr,
5698 "You can not enable both KVM and kqemu at the same time\n");
5699 exit(1);
5700 }
5701#endif
5702
3d878caa 5703 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
b2097003
AL		 5704 if (smp_cpus > machine->max_cpus) {
5705 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
5706 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
5707 machine->max_cpus);
5708 exit(1);
5709 }
5710
993fbfdb 5711 if (display_type == DT_NOGRAPHIC) {
bc0129d9
AL		 5712 if (serial_device_index == 0)
5713 serial_devices[0] = "stdio";
5714 if (parallel_device_index == 0)
5715 parallel_devices[0] = "null";
5716 if (strncmp(monitor_device, "vc", 2) == 0)
5717 monitor_device = "stdio";
5718 }
5719
71e3ceb8 5720#ifndef _WIN32
71e3ceb8
TS		 5721 if (daemonize) {
5722 pid_t pid;
5723
5724 if (pipe(fds) == -1)
5725 exit(1);
5726
5727 pid = fork();
5728 if (pid > 0) {
5729 uint8_t status;
5730 ssize_t len;
5731
5732 close(fds[1]);
5733
5734 again:
93815bc2
TS		 5735 len = read(fds[0], &status, 1);
5736 if (len == -1 && (errno == EINTR))
5737 goto again;
5738
5739 if (len != 1)
5740 exit(1);
5741 else if (status == 1) {
5742 fprintf(stderr, "Could not acquire pidfile\n");
5743 exit(1);
5744 } else
5745 exit(0);
71e3ceb8 5746 } else if (pid < 0)
93815bc2 5747 exit(1);
71e3ceb8
TS		 5748
5749 setsid();
5750
5751 pid = fork();
5752 if (pid > 0)
5753 exit(0);
5754 else if (pid < 0)
5755 exit(1);
5756
5757 umask(027);
71e3ceb8
TS		 5758
5759 signal(SIGTSTP, SIG_IGN);
5760 signal(SIGTTOU, SIG_IGN);
5761 signal(SIGTTIN, SIG_IGN);
5762 }
71e3ceb8 5763
aa26bb2d 5764 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
93815bc2
TS		 5765 if (daemonize) {
5766 uint8_t status = 1;
5767 write(fds[1], &status, 1);
5768 } else
5769 fprintf(stderr, "Could not acquire pid file\n");
5770 exit(1);
5771 }
b9e82a59 5772#endif
93815bc2 5773
640f42e4 5774#ifdef CONFIG_KQEMU
ff3fbb30
FB		 5775 if (smp_cpus > 1)
5776 kqemu_allowed = 0;
5777#endif
3fcf7b6b
AL		 5778 if (qemu_init_main_loop()) {
5779 fprintf(stderr, "qemu_init_main_loop failed\n");
5780 exit(1);
5781 }
a20dd508 5782 linux_boot = (kernel_filename != NULL);
7317b8ca 5783 net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
6c41b272 5784
f8d39c01
TS		 5785 if (!linux_boot && *kernel_cmdline != '\0') {
5786 fprintf(stderr, "-append only allowed with -kernel option\n");
5787 exit(1);
5788 }
5789
5790 if (!linux_boot && initrd_filename != NULL) {
5791 fprintf(stderr, "-initrd only allowed with -kernel option\n");
5792 exit(1);
5793 }
5794
96d30e48 5795 /* boot to floppy or the default cd if no hard disk defined yet */
28c5af54 5796 if (!boot_devices[0]) {
e4bcb14c 5797 boot_devices = "cad";
96d30e48 5798 }
b118d61e 5799 setvbuf(stdout, NULL, _IOLBF, 0);
3b46e624 5800
634fce96 5801 init_timers();
7183b4b4
AL		 5802 if (init_timer_alarm() < 0) {
5803 fprintf(stderr, "could not initialize alarm timer\n");
5804 exit(1);
5805 }
2e70f6ef
PB		 5806 if (use_icount && icount_time_shift < 0) {
5807 use_icount = 2;
5808 /* 125MIPS seems a reasonable initial guess at the guest speed.
5809 It will be corrected fairly quickly anyway. */
5810 icount_time_shift = 3;
5811 init_icount_adjust();
5812 }
634fce96 5813
fd1dff4b
FB		 5814#ifdef _WIN32
5815 socket_init();
5816#endif
5817
7c9d8e07
FB		 5818 /* init network clients */
5819 if (nb_net_clients == 0) {
5820 /* if no clients, we use a default config */
f441b28b
AL		 5821 net_clients[nb_net_clients++] = "nic";
5822#ifdef CONFIG_SLIRP
5823 net_clients[nb_net_clients++] = "user";
5824#endif
c20709aa
FB		 5825 }
5826
7c9d8e07 5827 for(i = 0;i < nb_net_clients; i++) {
9ad97e65 5828 if (net_client_parse(net_clients[i]) < 0)
7c9d8e07 5829 exit(1);
702c651c 5830 }
63a01ef8 5831 net_client_check();
f1510b2c 5832
eec85c2a 5833#ifdef TARGET_I386
ed494d87 5834 /* XXX: this should be moved in the PC machine instantiation code */
28c5af54
JM		 5835 if (net_boot != 0) {
5836 int netroms = 0;
5837 for (i = 0; i < nb_nics && i < 4; i++) {
eec85c2a
TS		 5838 const char *model = nd_table[i].model;
5839 char buf[1024];
5cea8590 5840 char *filename;
28c5af54
JM		 5841 if (net_boot & (1 << i)) {
5842 if (model == NULL)
5843 model = "ne2k_pci";
5cea8590
PB		 5844 snprintf(buf, sizeof(buf), "pxe-%s.bin", model);
5845 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, buf);
5846 if (filename && get_image_size(filename) > 0) {
28c5af54
JM		 5847 if (nb_option_roms >= MAX_OPTION_ROMS) {
5848 fprintf(stderr, "Too many option ROMs\n");
5849 exit(1);
5850 }
5cea8590 5851 option_rom[nb_option_roms] = qemu_strdup(buf);
28c5af54
JM		 5852 nb_option_roms++;
5853 netroms++;
5854 }
5cea8590
PB		 5855 if (filename) {
5856 qemu_free(filename);
5857 }
28c5af54 5858 }
eec85c2a 5859 }
28c5af54 5860 if (netroms == 0) {
eec85c2a
TS		 5861 fprintf(stderr, "No valid PXE rom found for network device\n");
5862 exit(1);
5863 }
eec85c2a
TS		 5864 }
5865#endif
5866
dc72ac14
AZ		 5867 /* init the bluetooth world */
5868 for (i = 0; i < nb_bt_opts; i++)
5869 if (bt_parse(bt_opts[i]))
5870 exit(1);
5871
0824d6fc 5872 /* init the memory */
94a6b54f
PB		 5873 if (ram_size == 0)
5874 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
9ae02555 5875
640f42e4 5876#ifdef CONFIG_KQEMU
94a6b54f
PB		 5877 /* FIXME: This is a nasty hack because kqemu can't cope with dynamic
5878 guest ram allocation. It needs to go away. */
5879 if (kqemu_allowed) {
4cfce484 5880 kqemu_phys_ram_size = ram_size + 8 * 1024 * 1024 + 4 * 1024 * 1024;
94a6b54f
PB		 5881 kqemu_phys_ram_base = qemu_vmalloc(kqemu_phys_ram_size);
5882 if (!kqemu_phys_ram_base) {
5883 fprintf(stderr, "Could not allocate physical memory\n");
5884 exit(1);
5885 }
0824d6fc 5886 }
94a6b54f 5887#endif
0824d6fc 5888
26a5f13b
FB		 5889 /* init the dynamic translator */
5890 cpu_exec_init_all(tb_size * 1024 * 1024);
5891
5905b2e5 5892 bdrv_init();
c4b1fcc0 5893
e4bcb14c 5894 /* we always create the cdrom drive, even if no disk is there */
c4b1fcc0 5895
e4bcb14c 5896 if (nb_drives_opt < MAX_DRIVES)
609497ab 5897 drive_add(NULL, CDROM_ALIAS);
c4b1fcc0 5898
9d413d1d 5899 /* we always create at least one floppy */
33e3963e 5900
e4bcb14c 5901 if (nb_drives_opt < MAX_DRIVES)
609497ab 5902 drive_add(NULL, FD_ALIAS, 0);
86f55663 5903
9d413d1d
AZ		 5904 /* we always create one sd slot, even if no card is in it */
5905
5906 if (nb_drives_opt < MAX_DRIVES)
609497ab 5907 drive_add(NULL, SD_ALIAS);
9d413d1d 5908
e4bcb14c
TS		 5909 /* open the virtual block devices */
5910
5911 for(i = 0; i < nb_drives_opt; i++)
609497ab 5912 if (drive_init(&drives_opt[i], snapshot, machine) == -1)
e4bcb14c 5913 exit(1);
3e3d5815 5914
c88676f8 5915 register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
475e4277 5916 register_savevm_live("ram", 0, 3, ram_save_live, NULL, ram_load, NULL);
8a7ddc38 5917
3023f332
AL		 5918#ifndef _WIN32
5919 /* must be after terminal init, SDL library changes signal handlers */
7c3370d4 5920 sighandler_setup();
3023f332
AL		 5921#endif
5922
5923 /* Maintain compatibility with multiple stdio monitors */
5924 if (!strcmp(monitor_device,"stdio")) {
5925 for (i = 0; i < MAX_SERIAL_PORTS; i++) {
5926 const char *devname = serial_devices[i];
5927 if (devname && !strcmp(devname,"mon:stdio")) {
5928 monitor_device = NULL;
5929 break;
5930 } else if (devname && !strcmp(devname,"stdio")) {
5931 monitor_device = NULL;
5932 serial_devices[i] = "mon:stdio";
5933 break;
5934 }
5935 }
5936 }
5937
268a362c
AL		 5938 if (nb_numa_nodes > 0) {
5939 int i;
5940
5941 if (nb_numa_nodes > smp_cpus) {
5942 nb_numa_nodes = smp_cpus;
5943 }
5944
5945 /* If no memory size if given for any node, assume the default case
5946 * and distribute the available memory equally across all nodes
5947 */
5948 for (i = 0; i < nb_numa_nodes; i++) {
5949 if (node_mem[i] != 0)
5950 break;
5951 }
5952 if (i == nb_numa_nodes) {
5953 uint64_t usedmem = 0;
5954
5955 /* On Linux, the each node's border has to be 8MB aligned,
5956 * the final node gets the rest.
5957 */
5958 for (i = 0; i < nb_numa_nodes - 1; i++) {
5959 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
5960 usedmem += node_mem[i];
5961 }
5962 node_mem[i] = ram_size - usedmem;
5963 }
5964
5965 for (i = 0; i < nb_numa_nodes; i++) {
5966 if (node_cpumask[i] != 0)
5967 break;
5968 }
5969 /* assigning the VCPUs round-robin is easier to implement, guest OSes
5970 * must cope with this anyway, because there are BIOSes out there in
5971 * real machines which also use this scheme.
5972 */
5973 if (i == nb_numa_nodes) {
5974 for (i = 0; i < smp_cpus; i++) {
5975 node_cpumask[i % nb_numa_nodes] |= 1 << i;
5976 }
5977 }
5978 }
5979
3023f332
AL		 5980 if (kvm_enabled()) {
5981 int ret;
5982
5983 ret = kvm_init(smp_cpus);
5984 if (ret < 0) {
5985 fprintf(stderr, "failed to initialize KVM\n");
5986 exit(1);
5987 }
5988 }
5989
4c621805 5990 if (monitor_device) {
ceecf1d1 5991 monitor_hd = qemu_chr_open("monitor", monitor_device, NULL);
4c621805
AL		 5992 if (!monitor_hd) {
5993 fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
5994 exit(1);
5995 }
5996 }
5997
2796dae0
AL		 5998 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
5999 const char *devname = serial_devices[i];
6000 if (devname && strcmp(devname, "none")) {
6001 char label[32];
6002 snprintf(label, sizeof(label), "serial%d", i);
ceecf1d1 6003 serial_hds[i] = qemu_chr_open(label, devname, NULL);
2796dae0
AL		 6004 if (!serial_hds[i]) {
6005 fprintf(stderr, "qemu: could not open serial device '%s'\n",
6006 devname);
6007 exit(1);
6008 }
6009 }
6010 }
6011
6012 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
6013 const char *devname = parallel_devices[i];
6014 if (devname && strcmp(devname, "none")) {
6015 char label[32];
6016 snprintf(label, sizeof(label), "parallel%d", i);
ceecf1d1 6017 parallel_hds[i] = qemu_chr_open(label, devname, NULL);
2796dae0
AL		 6018 if (!parallel_hds[i]) {
6019 fprintf(stderr, "qemu: could not open parallel device '%s'\n",
6020 devname);
6021 exit(1);
6022 }
6023 }
6024 }
6025
6026 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
6027 const char *devname = virtio_consoles[i];
6028 if (devname && strcmp(devname, "none")) {
6029 char label[32];
6030 snprintf(label, sizeof(label), "virtcon%d", i);
ceecf1d1 6031 virtcon_hds[i] = qemu_chr_open(label, devname, NULL);
2796dae0
AL		 6032 if (!virtcon_hds[i]) {
6033 fprintf(stderr, "qemu: could not open virtio console '%s'\n",
6034 devname);
6035 exit(1);
6036 }
6037 }
6038 }
6039
aae9460e
PB		 6040 module_call_init(MODULE_INIT_DEVICE);
6041
fbe1b595 6042 machine->init(ram_size, boot_devices,
3023f332
AL		 6043 kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
6044
268a362c
AL		 6045
6046 for (env = first_cpu; env != NULL; env = env->next_cpu) {
6047 for (i = 0; i < nb_numa_nodes; i++) {
6048 if (node_cpumask[i] & (1 << env->cpu_index)) {
6049 env->numa_node = i;
6050 }
6051 }
6052 }
6053
6f338c34
AL		 6054 current_machine = machine;
6055
3023f332
AL		 6056 /* Set KVM's vcpu state to qemu's initial CPUState. */
6057 if (kvm_enabled()) {
6058 int ret;
6059
6060 ret = kvm_sync_vcpus();
6061 if (ret < 0) {
6062 fprintf(stderr, "failed to initialize vcpus\n");
6063 exit(1);
6064 }
6065 }
6066
6067 /* init USB devices */
6068 if (usb_enabled) {
6069 for(i = 0; i < usb_devices_index; i++) {
c0f4ce77 6070 if (usb_device_add(usb_devices[i], 0) < 0) {
3023f332
AL		 6071 fprintf(stderr, "Warning: could not add USB device %s\n",
6072 usb_devices[i]);
6073 }
6074 }
6075 }
6076
8f391ab4
AL		 6077 if (!display_state)
6078 dumb_display_init();
3023f332
AL		 6079 /* just use the first displaystate for the moment */
6080 ds = display_state;
993fbfdb
AL		 6081
6082 if (display_type == DT_DEFAULT) {
6083#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
6084 display_type = DT_SDL;
6085#else
6086 display_type = DT_VNC;
6087 vnc_display = "localhost:0,to=99";
6088 show_vnc_port = 1;
6089#endif
6090 }
6091
6092
6093 switch (display_type) {
6094 case DT_NOGRAPHIC:
6095 break;
4d3b6f6e 6096#if defined(CONFIG_CURSES)
993fbfdb
AL		 6097 case DT_CURSES:
6098 curses_display_init(ds, full_screen);
6099 break;
4d3b6f6e 6100#endif
5b0753e0 6101#if defined(CONFIG_SDL)
993fbfdb
AL		 6102 case DT_SDL:
6103 sdl_display_init(ds, full_screen, no_frame);
6104 break;
5b0753e0 6105#elif defined(CONFIG_COCOA)
993fbfdb
AL		 6106 case DT_SDL:
6107 cocoa_display_init(ds, full_screen);
6108 break;
313aa567 6109#endif
993fbfdb
AL		 6110 case DT_VNC:
6111 vnc_display_init(ds);
6112 if (vnc_display_open(ds, vnc_display) < 0)
6113 exit(1);
f92f8afe 6114
993fbfdb
AL		 6115 if (show_vnc_port) {
6116 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
f92f8afe 6117 }
993fbfdb
AL		 6118 break;
6119 default:
6120 break;
313aa567 6121 }
7d957bd8 6122 dpy_resize(ds);
5b08fc10 6123
3023f332
AL		 6124 dcl = ds->listeners;
6125 while (dcl != NULL) {
6126 if (dcl->dpy_refresh != NULL) {
6127 ds->gui_timer = qemu_new_timer(rt_clock, gui_update, ds);
6128 qemu_mod_timer(ds->gui_timer, qemu_get_clock(rt_clock));
20d8a3ed 6129 }
3023f332 6130 dcl = dcl->next;
20d8a3ed 6131 }
3023f332 6132
993fbfdb 6133 if (display_type == DT_NOGRAPHIC || display_type == DT_VNC) {
9043b62d
BS		 6134 nographic_timer = qemu_new_timer(rt_clock, nographic_update, NULL);
6135 qemu_mod_timer(nographic_timer, qemu_get_clock(rt_clock));
6136 }
6137
2796dae0 6138 text_consoles_set_display(display_state);
2970a6c9 6139 qemu_chr_initial_reset();
2796dae0 6140
4c621805 6141 if (monitor_device && monitor_hd)
cde76ee1 6142 monitor_init(monitor_hd, MONITOR_USE_READLINE | MONITOR_IS_DEFAULT);
82c643ff 6143
8d11df9e 6144 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
c03b0f0f 6145 const char *devname = serial_devices[i];
fd5f393a 6146 if (devname && strcmp(devname, "none")) {
5ccfae10
AL		 6147 char label[32];
6148 snprintf(label, sizeof(label), "serial%d", i);
af3a9031 6149 if (strstart(devname, "vc", 0))
7ba1260a 6150 qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
8d11df9e 6151 }
82c643ff 6152 }
82c643ff 6153
6508fe59 6154 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
c03b0f0f 6155 const char *devname = parallel_devices[i];
fd5f393a 6156 if (devname && strcmp(devname, "none")) {
5ccfae10
AL		 6157 char label[32];
6158 snprintf(label, sizeof(label), "parallel%d", i);
af3a9031 6159 if (strstart(devname, "vc", 0))
7ba1260a 6160 qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
6508fe59
FB		 6161 }
6162 }
6163
9ede2fde
AL		 6164 for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
6165 const char *devname = virtio_consoles[i];
2796dae0 6166 if (virtcon_hds[i] && devname) {
9ede2fde
AL		 6167 char label[32];
6168 snprintf(label, sizeof(label), "virtcon%d", i);
9ede2fde
AL		 6169 if (strstart(devname, "vc", 0))
6170 qemu_chr_printf(virtcon_hds[i], "virtio console%d\r\n", i);
6171 }
6172 }
6173
59030a8c
AL		 6174 if (gdbstub_dev && gdbserver_start(gdbstub_dev) < 0) {
6175 fprintf(stderr, "qemu: could not open gdbserver on device '%s'\n",
6176 gdbstub_dev);
6177 exit(1);
45669e00 6178 }
45669e00 6179
d63d307f 6180 if (loadvm)
376253ec 6181 do_loadvm(cur_mon, loadvm);
d63d307f 6182
5bb7910a
AL		 6183 if (incoming) {
6184 autostart = 0; /* fixme how to deal with -daemonize */
6185 qemu_start_incoming_migration(incoming);
6186 }
6187
c0f4ce77
AL		 6188 if (autostart)
6189 vm_start();
ffd843bc 6190
b9e82a59 6191#ifndef _WIN32
71e3ceb8
TS		 6192 if (daemonize) {
6193 uint8_t status = 0;
6194 ssize_t len;
71e3ceb8
TS		 6195
6196 again1:
6197 len = write(fds[1], &status, 1);
6198 if (len == -1 && (errno == EINTR))
6199 goto again1;
6200
6201 if (len != 1)
6202 exit(1);
6203
bd54b863 6204 chdir("/");
aeb30be6 6205 TFR(fd = open("/dev/null", O_RDWR));
71e3ceb8
TS		 6206 if (fd == -1)
6207 exit(1);
0858532e 6208 }
71e3ceb8 6209
0858532e
AL		 6210 if (run_as) {
6211 pwd = getpwnam(run_as);
6212 if (!pwd) {
6213 fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
6214 exit(1);
6215 }
6216 }
6217
6218 if (chroot_dir) {
6219 if (chroot(chroot_dir) < 0) {
6220 fprintf(stderr, "chroot failed\n");
6221 exit(1);
6222 }
6223 chdir("/");
6224 }
6225
6226 if (run_as) {
6227 if (setgid(pwd->pw_gid) < 0) {
6228 fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
6229 exit(1);
6230 }
6231 if (setuid(pwd->pw_uid) < 0) {
6232 fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
6233 exit(1);
6234 }
6235 if (setuid(0) != -1) {
6236 fprintf(stderr, "Dropping privileges failed\n");
6237 exit(1);
6238 }
6239 }
0858532e
AL		 6240
6241 if (daemonize) {
6242 dup2(fd, 0);
6243 dup2(fd, 1);
6244 dup2(fd, 2);
71e3ceb8 6245
0858532e 6246 close(fd);
71e3ceb8 6247 }
b9e82a59 6248#endif
71e3ceb8 6249
8a7ddc38 6250 main_loop();
40c3bac3 6251 quit_timers();
63a01ef8 6252 net_cleanup();
b46a8906 6253
0824d6fc
FB		 6254 return 0;
6255}
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