root / vl.c @ 4fa5d772
History | View | Annotate | Download (96.1 kB)
| 1 |
/*
|
|---|---|
| 2 |
* QEMU System Emulator
|
| 3 |
*
|
| 4 |
* Copyright (c) 2003-2004 Fabrice Bellard
|
| 5 |
*
|
| 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.
|
| 23 |
*/
|
| 24 |
#include "vl.h" |
| 25 |
|
| 26 |
#include <unistd.h> |
| 27 |
#include <fcntl.h> |
| 28 |
#include <signal.h> |
| 29 |
#include <time.h> |
| 30 |
#include <errno.h> |
| 31 |
#include <sys/time.h> |
| 32 |
|
| 33 |
#ifndef _WIN32
|
| 34 |
#include <sys/times.h> |
| 35 |
#include <sys/wait.h> |
| 36 |
#include <termios.h> |
| 37 |
#include <sys/poll.h> |
| 38 |
#include <sys/mman.h> |
| 39 |
#include <sys/ioctl.h> |
| 40 |
#include <sys/socket.h> |
| 41 |
#include <netinet/in.h> |
| 42 |
#include <dirent.h> |
| 43 |
#ifdef _BSD
|
| 44 |
#include <sys/stat.h> |
| 45 |
#ifndef __APPLE__
|
| 46 |
#include <libutil.h> |
| 47 |
#endif
|
| 48 |
#else
|
| 49 |
#include <linux/if.h> |
| 50 |
#include <linux/if_tun.h> |
| 51 |
#include <pty.h> |
| 52 |
#include <malloc.h> |
| 53 |
#include <linux/rtc.h> |
| 54 |
#endif
|
| 55 |
#endif
|
| 56 |
|
| 57 |
#if defined(CONFIG_SLIRP)
|
| 58 |
#include "libslirp.h" |
| 59 |
#endif
|
| 60 |
|
| 61 |
#ifdef _WIN32
|
| 62 |
#include <malloc.h> |
| 63 |
#include <sys/timeb.h> |
| 64 |
#include <windows.h> |
| 65 |
#define getopt_long_only getopt_long
|
| 66 |
#define memalign(align, size) malloc(size)
|
| 67 |
#endif
|
| 68 |
|
| 69 |
#ifdef CONFIG_SDL
|
| 70 |
#ifdef __APPLE__
|
| 71 |
#include <SDL/SDL.h> |
| 72 |
#endif
|
| 73 |
#endif /* CONFIG_SDL */ |
| 74 |
|
| 75 |
#include "disas.h" |
| 76 |
|
| 77 |
#include "exec-all.h" |
| 78 |
|
| 79 |
//#define DO_TB_FLUSH
|
| 80 |
|
| 81 |
#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" |
| 82 |
|
| 83 |
//#define DEBUG_UNUSED_IOPORT
|
| 84 |
//#define DEBUG_IOPORT
|
| 85 |
|
| 86 |
#if !defined(CONFIG_SOFTMMU)
|
| 87 |
#define PHYS_RAM_MAX_SIZE (256 * 1024 * 1024) |
| 88 |
#else
|
| 89 |
#define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024) |
| 90 |
#endif
|
| 91 |
|
| 92 |
#ifdef TARGET_PPC
|
| 93 |
#define DEFAULT_RAM_SIZE 144 |
| 94 |
#else
|
| 95 |
#define DEFAULT_RAM_SIZE 128 |
| 96 |
#endif
|
| 97 |
/* in ms */
|
| 98 |
#define GUI_REFRESH_INTERVAL 30 |
| 99 |
|
| 100 |
/* XXX: use a two level table to limit memory usage */
|
| 101 |
#define MAX_IOPORTS 65536 |
| 102 |
|
| 103 |
const char *bios_dir = CONFIG_QEMU_SHAREDIR; |
| 104 |
char phys_ram_file[1024]; |
| 105 |
CPUState *global_env; |
| 106 |
CPUState *cpu_single_env; |
| 107 |
void *ioport_opaque[MAX_IOPORTS];
|
| 108 |
IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
|
| 109 |
IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
|
| 110 |
BlockDriverState *bs_table[MAX_DISKS], *fd_table[MAX_FD]; |
| 111 |
int vga_ram_size;
|
| 112 |
int bios_size;
|
| 113 |
static DisplayState display_state;
|
| 114 |
int nographic;
|
| 115 |
const char* keyboard_layout = NULL; |
| 116 |
int64_t ticks_per_sec; |
| 117 |
int boot_device = 'c'; |
| 118 |
int ram_size;
|
| 119 |
static char network_script[1024]; |
| 120 |
int pit_min_timer_count = 0; |
| 121 |
int nb_nics;
|
| 122 |
NetDriverState nd_table[MAX_NICS]; |
| 123 |
QEMUTimer *gui_timer; |
| 124 |
int vm_running;
|
| 125 |
int audio_enabled = 0; |
| 126 |
int sb16_enabled = 1; |
| 127 |
int adlib_enabled = 1; |
| 128 |
int gus_enabled = 1; |
| 129 |
int pci_enabled = 1; |
| 130 |
int prep_enabled = 0; |
| 131 |
int rtc_utc = 1; |
| 132 |
int cirrus_vga_enabled = 1; |
| 133 |
int graphic_width = 800; |
| 134 |
int graphic_height = 600; |
| 135 |
int graphic_depth = 15; |
| 136 |
int full_screen = 0; |
| 137 |
TextConsole *vga_console; |
| 138 |
CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
| 139 |
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
| 140 |
|
| 141 |
/***********************************************************/
|
| 142 |
/* x86 ISA bus support */
|
| 143 |
|
| 144 |
target_phys_addr_t isa_mem_base = 0;
|
| 145 |
|
| 146 |
uint32_t default_ioport_readb(void *opaque, uint32_t address)
|
| 147 |
{
|
| 148 |
#ifdef DEBUG_UNUSED_IOPORT
|
| 149 |
fprintf(stderr, "inb: port=0x%04x\n", address);
|
| 150 |
#endif
|
| 151 |
return 0xff; |
| 152 |
} |
| 153 |
|
| 154 |
void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) |
| 155 |
{
|
| 156 |
#ifdef DEBUG_UNUSED_IOPORT
|
| 157 |
fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
|
| 158 |
#endif
|
| 159 |
} |
| 160 |
|
| 161 |
/* default is to make two byte accesses */
|
| 162 |
uint32_t default_ioport_readw(void *opaque, uint32_t address)
|
| 163 |
{
|
| 164 |
uint32_t data; |
| 165 |
data = ioport_read_table[0][address](ioport_opaque[address], address);
|
| 166 |
address = (address + 1) & (MAX_IOPORTS - 1); |
| 167 |
data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8; |
| 168 |
return data;
|
| 169 |
} |
| 170 |
|
| 171 |
void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) |
| 172 |
{
|
| 173 |
ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff); |
| 174 |
address = (address + 1) & (MAX_IOPORTS - 1); |
| 175 |
ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff); |
| 176 |
} |
| 177 |
|
| 178 |
uint32_t default_ioport_readl(void *opaque, uint32_t address)
|
| 179 |
{
|
| 180 |
#ifdef DEBUG_UNUSED_IOPORT
|
| 181 |
fprintf(stderr, "inl: port=0x%04x\n", address);
|
| 182 |
#endif
|
| 183 |
return 0xffffffff; |
| 184 |
} |
| 185 |
|
| 186 |
void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) |
| 187 |
{
|
| 188 |
#ifdef DEBUG_UNUSED_IOPORT
|
| 189 |
fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
|
| 190 |
#endif
|
| 191 |
} |
| 192 |
|
| 193 |
void init_ioports(void) |
| 194 |
{
|
| 195 |
int i;
|
| 196 |
|
| 197 |
for(i = 0; i < MAX_IOPORTS; i++) { |
| 198 |
ioport_read_table[0][i] = default_ioport_readb;
|
| 199 |
ioport_write_table[0][i] = default_ioport_writeb;
|
| 200 |
ioport_read_table[1][i] = default_ioport_readw;
|
| 201 |
ioport_write_table[1][i] = default_ioport_writew;
|
| 202 |
ioport_read_table[2][i] = default_ioport_readl;
|
| 203 |
ioport_write_table[2][i] = default_ioport_writel;
|
| 204 |
} |
| 205 |
} |
| 206 |
|
| 207 |
/* size is the word size in byte */
|
| 208 |
int register_ioport_read(int start, int length, int size, |
| 209 |
IOPortReadFunc *func, void *opaque)
|
| 210 |
{
|
| 211 |
int i, bsize;
|
| 212 |
|
| 213 |
if (size == 1) { |
| 214 |
bsize = 0;
|
| 215 |
} else if (size == 2) { |
| 216 |
bsize = 1;
|
| 217 |
} else if (size == 4) { |
| 218 |
bsize = 2;
|
| 219 |
} else {
|
| 220 |
hw_error("register_ioport_read: invalid size");
|
| 221 |
return -1; |
| 222 |
} |
| 223 |
for(i = start; i < start + length; i += size) {
|
| 224 |
ioport_read_table[bsize][i] = func; |
| 225 |
if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
| 226 |
hw_error("register_ioport_read: invalid opaque");
|
| 227 |
ioport_opaque[i] = opaque; |
| 228 |
} |
| 229 |
return 0; |
| 230 |
} |
| 231 |
|
| 232 |
/* size is the word size in byte */
|
| 233 |
int register_ioport_write(int start, int length, int size, |
| 234 |
IOPortWriteFunc *func, void *opaque)
|
| 235 |
{
|
| 236 |
int i, bsize;
|
| 237 |
|
| 238 |
if (size == 1) { |
| 239 |
bsize = 0;
|
| 240 |
} else if (size == 2) { |
| 241 |
bsize = 1;
|
| 242 |
} else if (size == 4) { |
| 243 |
bsize = 2;
|
| 244 |
} else {
|
| 245 |
hw_error("register_ioport_write: invalid size");
|
| 246 |
return -1; |
| 247 |
} |
| 248 |
for(i = start; i < start + length; i += size) {
|
| 249 |
ioport_write_table[bsize][i] = func; |
| 250 |
if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) |
| 251 |
hw_error("register_ioport_read: invalid opaque");
|
| 252 |
ioport_opaque[i] = opaque; |
| 253 |
} |
| 254 |
return 0; |
| 255 |
} |
| 256 |
|
| 257 |
void isa_unassign_ioport(int start, int length) |
| 258 |
{
|
| 259 |
int i;
|
| 260 |
|
| 261 |
for(i = start; i < start + length; i++) {
|
| 262 |
ioport_read_table[0][i] = default_ioport_readb;
|
| 263 |
ioport_read_table[1][i] = default_ioport_readw;
|
| 264 |
ioport_read_table[2][i] = default_ioport_readl;
|
| 265 |
|
| 266 |
ioport_write_table[0][i] = default_ioport_writeb;
|
| 267 |
ioport_write_table[1][i] = default_ioport_writew;
|
| 268 |
ioport_write_table[2][i] = default_ioport_writel;
|
| 269 |
} |
| 270 |
} |
| 271 |
|
| 272 |
/***********************************************************/
|
| 273 |
|
| 274 |
void pstrcpy(char *buf, int buf_size, const char *str) |
| 275 |
{
|
| 276 |
int c;
|
| 277 |
char *q = buf;
|
| 278 |
|
| 279 |
if (buf_size <= 0) |
| 280 |
return;
|
| 281 |
|
| 282 |
for(;;) {
|
| 283 |
c = *str++; |
| 284 |
if (c == 0 || q >= buf + buf_size - 1) |
| 285 |
break;
|
| 286 |
*q++ = c; |
| 287 |
} |
| 288 |
*q = '\0';
|
| 289 |
} |
| 290 |
|
| 291 |
/* strcat and truncate. */
|
| 292 |
char *pstrcat(char *buf, int buf_size, const char *s) |
| 293 |
{
|
| 294 |
int len;
|
| 295 |
len = strlen(buf); |
| 296 |
if (len < buf_size)
|
| 297 |
pstrcpy(buf + len, buf_size - len, s); |
| 298 |
return buf;
|
| 299 |
} |
| 300 |
|
| 301 |
int strstart(const char *str, const char *val, const char **ptr) |
| 302 |
{
|
| 303 |
const char *p, *q; |
| 304 |
p = str; |
| 305 |
q = val; |
| 306 |
while (*q != '\0') { |
| 307 |
if (*p != *q)
|
| 308 |
return 0; |
| 309 |
p++; |
| 310 |
q++; |
| 311 |
} |
| 312 |
if (ptr)
|
| 313 |
*ptr = p; |
| 314 |
return 1; |
| 315 |
} |
| 316 |
|
| 317 |
/* return the size or -1 if error */
|
| 318 |
int get_image_size(const char *filename) |
| 319 |
{
|
| 320 |
int fd, size;
|
| 321 |
fd = open(filename, O_RDONLY | O_BINARY); |
| 322 |
if (fd < 0) |
| 323 |
return -1; |
| 324 |
size = lseek(fd, 0, SEEK_END);
|
| 325 |
close(fd); |
| 326 |
return size;
|
| 327 |
} |
| 328 |
|
| 329 |
/* return the size or -1 if error */
|
| 330 |
int load_image(const char *filename, uint8_t *addr) |
| 331 |
{
|
| 332 |
int fd, size;
|
| 333 |
fd = open(filename, O_RDONLY | O_BINARY); |
| 334 |
if (fd < 0) |
| 335 |
return -1; |
| 336 |
size = lseek(fd, 0, SEEK_END);
|
| 337 |
lseek(fd, 0, SEEK_SET);
|
| 338 |
if (read(fd, addr, size) != size) {
|
| 339 |
close(fd); |
| 340 |
return -1; |
| 341 |
} |
| 342 |
close(fd); |
| 343 |
return size;
|
| 344 |
} |
| 345 |
|
| 346 |
void cpu_outb(CPUState *env, int addr, int val) |
| 347 |
{
|
| 348 |
#ifdef DEBUG_IOPORT
|
| 349 |
if (loglevel & CPU_LOG_IOPORT)
|
| 350 |
fprintf(logfile, "outb: %04x %02x\n", addr, val);
|
| 351 |
#endif
|
| 352 |
ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
|
| 353 |
} |
| 354 |
|
| 355 |
void cpu_outw(CPUState *env, int addr, int val) |
| 356 |
{
|
| 357 |
#ifdef DEBUG_IOPORT
|
| 358 |
if (loglevel & CPU_LOG_IOPORT)
|
| 359 |
fprintf(logfile, "outw: %04x %04x\n", addr, val);
|
| 360 |
#endif
|
| 361 |
ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
|
| 362 |
} |
| 363 |
|
| 364 |
void cpu_outl(CPUState *env, int addr, int val) |
| 365 |
{
|
| 366 |
#ifdef DEBUG_IOPORT
|
| 367 |
if (loglevel & CPU_LOG_IOPORT)
|
| 368 |
fprintf(logfile, "outl: %04x %08x\n", addr, val);
|
| 369 |
#endif
|
| 370 |
ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
|
| 371 |
} |
| 372 |
|
| 373 |
int cpu_inb(CPUState *env, int addr) |
| 374 |
{
|
| 375 |
int val;
|
| 376 |
val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
|
| 377 |
#ifdef DEBUG_IOPORT
|
| 378 |
if (loglevel & CPU_LOG_IOPORT)
|
| 379 |
fprintf(logfile, "inb : %04x %02x\n", addr, val);
|
| 380 |
#endif
|
| 381 |
return val;
|
| 382 |
} |
| 383 |
|
| 384 |
int cpu_inw(CPUState *env, int addr) |
| 385 |
{
|
| 386 |
int val;
|
| 387 |
val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
|
| 388 |
#ifdef DEBUG_IOPORT
|
| 389 |
if (loglevel & CPU_LOG_IOPORT)
|
| 390 |
fprintf(logfile, "inw : %04x %04x\n", addr, val);
|
| 391 |
#endif
|
| 392 |
return val;
|
| 393 |
} |
| 394 |
|
| 395 |
int cpu_inl(CPUState *env, int addr) |
| 396 |
{
|
| 397 |
int val;
|
| 398 |
val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
|
| 399 |
#ifdef DEBUG_IOPORT
|
| 400 |
if (loglevel & CPU_LOG_IOPORT)
|
| 401 |
fprintf(logfile, "inl : %04x %08x\n", addr, val);
|
| 402 |
#endif
|
| 403 |
return val;
|
| 404 |
} |
| 405 |
|
| 406 |
/***********************************************************/
|
| 407 |
void hw_error(const char *fmt, ...) |
| 408 |
{
|
| 409 |
va_list ap; |
| 410 |
|
| 411 |
va_start(ap, fmt); |
| 412 |
fprintf(stderr, "qemu: hardware error: ");
|
| 413 |
vfprintf(stderr, fmt, ap); |
| 414 |
fprintf(stderr, "\n");
|
| 415 |
#ifdef TARGET_I386
|
| 416 |
cpu_dump_state(global_env, stderr, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP); |
| 417 |
#else
|
| 418 |
cpu_dump_state(global_env, stderr, fprintf, 0);
|
| 419 |
#endif
|
| 420 |
va_end(ap); |
| 421 |
abort(); |
| 422 |
} |
| 423 |
|
| 424 |
/***********************************************************/
|
| 425 |
/* keyboard/mouse */
|
| 426 |
|
| 427 |
static QEMUPutKBDEvent *qemu_put_kbd_event;
|
| 428 |
static void *qemu_put_kbd_event_opaque; |
| 429 |
static QEMUPutMouseEvent *qemu_put_mouse_event;
|
| 430 |
static void *qemu_put_mouse_event_opaque; |
| 431 |
|
| 432 |
void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) |
| 433 |
{
|
| 434 |
qemu_put_kbd_event_opaque = opaque; |
| 435 |
qemu_put_kbd_event = func; |
| 436 |
} |
| 437 |
|
| 438 |
void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque) |
| 439 |
{
|
| 440 |
qemu_put_mouse_event_opaque = opaque; |
| 441 |
qemu_put_mouse_event = func; |
| 442 |
} |
| 443 |
|
| 444 |
void kbd_put_keycode(int keycode) |
| 445 |
{
|
| 446 |
if (qemu_put_kbd_event) {
|
| 447 |
qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); |
| 448 |
} |
| 449 |
} |
| 450 |
|
| 451 |
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) |
| 452 |
{
|
| 453 |
if (qemu_put_mouse_event) {
|
| 454 |
qemu_put_mouse_event(qemu_put_mouse_event_opaque, |
| 455 |
dx, dy, dz, buttons_state); |
| 456 |
} |
| 457 |
} |
| 458 |
|
| 459 |
/***********************************************************/
|
| 460 |
/* timers */
|
| 461 |
|
| 462 |
#if defined(__powerpc__)
|
| 463 |
|
| 464 |
static inline uint32_t get_tbl(void) |
| 465 |
{
|
| 466 |
uint32_t tbl; |
| 467 |
asm volatile("mftb %0" : "=r" (tbl)); |
| 468 |
return tbl;
|
| 469 |
} |
| 470 |
|
| 471 |
static inline uint32_t get_tbu(void) |
| 472 |
{
|
| 473 |
uint32_t tbl; |
| 474 |
asm volatile("mftbu %0" : "=r" (tbl)); |
| 475 |
return tbl;
|
| 476 |
} |
| 477 |
|
| 478 |
int64_t cpu_get_real_ticks(void)
|
| 479 |
{
|
| 480 |
uint32_t l, h, h1; |
| 481 |
/* NOTE: we test if wrapping has occurred */
|
| 482 |
do {
|
| 483 |
h = get_tbu(); |
| 484 |
l = get_tbl(); |
| 485 |
h1 = get_tbu(); |
| 486 |
} while (h != h1);
|
| 487 |
return ((int64_t)h << 32) | l; |
| 488 |
} |
| 489 |
|
| 490 |
#elif defined(__i386__)
|
| 491 |
|
| 492 |
int64_t cpu_get_real_ticks(void)
|
| 493 |
{
|
| 494 |
int64_t val; |
| 495 |
asm volatile ("rdtsc" : "=A" (val)); |
| 496 |
return val;
|
| 497 |
} |
| 498 |
|
| 499 |
#elif defined(__x86_64__)
|
| 500 |
|
| 501 |
int64_t cpu_get_real_ticks(void)
|
| 502 |
{
|
| 503 |
uint32_t low,high; |
| 504 |
int64_t val; |
| 505 |
asm volatile("rdtsc" : "=a" (low), "=d" (high)); |
| 506 |
val = high; |
| 507 |
val <<= 32;
|
| 508 |
val |= low; |
| 509 |
return val;
|
| 510 |
} |
| 511 |
|
| 512 |
#else
|
| 513 |
#error unsupported CPU
|
| 514 |
#endif
|
| 515 |
|
| 516 |
static int64_t cpu_ticks_offset;
|
| 517 |
static int cpu_ticks_enabled; |
| 518 |
|
| 519 |
static inline int64_t cpu_get_ticks(void) |
| 520 |
{
|
| 521 |
if (!cpu_ticks_enabled) {
|
| 522 |
return cpu_ticks_offset;
|
| 523 |
} else {
|
| 524 |
return cpu_get_real_ticks() + cpu_ticks_offset;
|
| 525 |
} |
| 526 |
} |
| 527 |
|
| 528 |
/* enable cpu_get_ticks() */
|
| 529 |
void cpu_enable_ticks(void) |
| 530 |
{
|
| 531 |
if (!cpu_ticks_enabled) {
|
| 532 |
cpu_ticks_offset -= cpu_get_real_ticks(); |
| 533 |
cpu_ticks_enabled = 1;
|
| 534 |
} |
| 535 |
} |
| 536 |
|
| 537 |
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
| 538 |
cpu_get_ticks() after that. */
|
| 539 |
void cpu_disable_ticks(void) |
| 540 |
{
|
| 541 |
if (cpu_ticks_enabled) {
|
| 542 |
cpu_ticks_offset = cpu_get_ticks(); |
| 543 |
cpu_ticks_enabled = 0;
|
| 544 |
} |
| 545 |
} |
| 546 |
|
| 547 |
static int64_t get_clock(void) |
| 548 |
{
|
| 549 |
#ifdef _WIN32
|
| 550 |
struct _timeb tb;
|
| 551 |
_ftime(&tb); |
| 552 |
return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; |
| 553 |
#else
|
| 554 |
struct timeval tv;
|
| 555 |
gettimeofday(&tv, NULL);
|
| 556 |
return tv.tv_sec * 1000000LL + tv.tv_usec; |
| 557 |
#endif
|
| 558 |
} |
| 559 |
|
| 560 |
void cpu_calibrate_ticks(void) |
| 561 |
{
|
| 562 |
int64_t usec, ticks; |
| 563 |
|
| 564 |
usec = get_clock(); |
| 565 |
ticks = cpu_get_real_ticks(); |
| 566 |
#ifdef _WIN32
|
| 567 |
Sleep(50);
|
| 568 |
#else
|
| 569 |
usleep(50 * 1000); |
| 570 |
#endif
|
| 571 |
usec = get_clock() - usec; |
| 572 |
ticks = cpu_get_real_ticks() - ticks; |
| 573 |
ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; |
| 574 |
} |
| 575 |
|
| 576 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
| 577 |
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
| 578 |
{
|
| 579 |
union {
|
| 580 |
uint64_t ll; |
| 581 |
struct {
|
| 582 |
#ifdef WORDS_BIGENDIAN
|
| 583 |
uint32_t high, low; |
| 584 |
#else
|
| 585 |
uint32_t low, high; |
| 586 |
#endif
|
| 587 |
} l; |
| 588 |
} u, res; |
| 589 |
uint64_t rl, rh; |
| 590 |
|
| 591 |
u.ll = a; |
| 592 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
| 593 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
| 594 |
rh += (rl >> 32);
|
| 595 |
res.l.high = rh / c; |
| 596 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
| 597 |
return res.ll;
|
| 598 |
} |
| 599 |
|
| 600 |
#define QEMU_TIMER_REALTIME 0 |
| 601 |
#define QEMU_TIMER_VIRTUAL 1 |
| 602 |
|
| 603 |
struct QEMUClock {
|
| 604 |
int type;
|
| 605 |
/* XXX: add frequency */
|
| 606 |
}; |
| 607 |
|
| 608 |
struct QEMUTimer {
|
| 609 |
QEMUClock *clock; |
| 610 |
int64_t expire_time; |
| 611 |
QEMUTimerCB *cb; |
| 612 |
void *opaque;
|
| 613 |
struct QEMUTimer *next;
|
| 614 |
}; |
| 615 |
|
| 616 |
QEMUClock *rt_clock; |
| 617 |
QEMUClock *vm_clock; |
| 618 |
|
| 619 |
static QEMUTimer *active_timers[2]; |
| 620 |
#ifdef _WIN32
|
| 621 |
static MMRESULT timerID;
|
| 622 |
#else
|
| 623 |
/* frequency of the times() clock tick */
|
| 624 |
static int timer_freq; |
| 625 |
#endif
|
| 626 |
|
| 627 |
QEMUClock *qemu_new_clock(int type)
|
| 628 |
{
|
| 629 |
QEMUClock *clock; |
| 630 |
clock = qemu_mallocz(sizeof(QEMUClock));
|
| 631 |
if (!clock)
|
| 632 |
return NULL; |
| 633 |
clock->type = type; |
| 634 |
return clock;
|
| 635 |
} |
| 636 |
|
| 637 |
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
| 638 |
{
|
| 639 |
QEMUTimer *ts; |
| 640 |
|
| 641 |
ts = qemu_mallocz(sizeof(QEMUTimer));
|
| 642 |
ts->clock = clock; |
| 643 |
ts->cb = cb; |
| 644 |
ts->opaque = opaque; |
| 645 |
return ts;
|
| 646 |
} |
| 647 |
|
| 648 |
void qemu_free_timer(QEMUTimer *ts)
|
| 649 |
{
|
| 650 |
qemu_free(ts); |
| 651 |
} |
| 652 |
|
| 653 |
/* stop a timer, but do not dealloc it */
|
| 654 |
void qemu_del_timer(QEMUTimer *ts)
|
| 655 |
{
|
| 656 |
QEMUTimer **pt, *t; |
| 657 |
|
| 658 |
/* NOTE: this code must be signal safe because
|
| 659 |
qemu_timer_expired() can be called from a signal. */
|
| 660 |
pt = &active_timers[ts->clock->type]; |
| 661 |
for(;;) {
|
| 662 |
t = *pt; |
| 663 |
if (!t)
|
| 664 |
break;
|
| 665 |
if (t == ts) {
|
| 666 |
*pt = t->next; |
| 667 |
break;
|
| 668 |
} |
| 669 |
pt = &t->next; |
| 670 |
} |
| 671 |
} |
| 672 |
|
| 673 |
/* modify the current timer so that it will be fired when current_time
|
| 674 |
>= expire_time. The corresponding callback will be called. */
|
| 675 |
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
| 676 |
{
|
| 677 |
QEMUTimer **pt, *t; |
| 678 |
|
| 679 |
qemu_del_timer(ts); |
| 680 |
|
| 681 |
/* add the timer in the sorted list */
|
| 682 |
/* NOTE: this code must be signal safe because
|
| 683 |
qemu_timer_expired() can be called from a signal. */
|
| 684 |
pt = &active_timers[ts->clock->type]; |
| 685 |
for(;;) {
|
| 686 |
t = *pt; |
| 687 |
if (!t)
|
| 688 |
break;
|
| 689 |
if (t->expire_time > expire_time)
|
| 690 |
break;
|
| 691 |
pt = &t->next; |
| 692 |
} |
| 693 |
ts->expire_time = expire_time; |
| 694 |
ts->next = *pt; |
| 695 |
*pt = ts; |
| 696 |
} |
| 697 |
|
| 698 |
int qemu_timer_pending(QEMUTimer *ts)
|
| 699 |
{
|
| 700 |
QEMUTimer *t; |
| 701 |
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { |
| 702 |
if (t == ts)
|
| 703 |
return 1; |
| 704 |
} |
| 705 |
return 0; |
| 706 |
} |
| 707 |
|
| 708 |
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) |
| 709 |
{
|
| 710 |
if (!timer_head)
|
| 711 |
return 0; |
| 712 |
return (timer_head->expire_time <= current_time);
|
| 713 |
} |
| 714 |
|
| 715 |
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) |
| 716 |
{
|
| 717 |
QEMUTimer *ts; |
| 718 |
|
| 719 |
for(;;) {
|
| 720 |
ts = *ptimer_head; |
| 721 |
if (!ts || ts->expire_time > current_time)
|
| 722 |
break;
|
| 723 |
/* remove timer from the list before calling the callback */
|
| 724 |
*ptimer_head = ts->next; |
| 725 |
ts->next = NULL;
|
| 726 |
|
| 727 |
/* run the callback (the timer list can be modified) */
|
| 728 |
ts->cb(ts->opaque); |
| 729 |
} |
| 730 |
} |
| 731 |
|
| 732 |
int64_t qemu_get_clock(QEMUClock *clock) |
| 733 |
{
|
| 734 |
switch(clock->type) {
|
| 735 |
case QEMU_TIMER_REALTIME:
|
| 736 |
#ifdef _WIN32
|
| 737 |
return GetTickCount();
|
| 738 |
#else
|
| 739 |
{
|
| 740 |
struct tms tp;
|
| 741 |
|
| 742 |
/* Note that using gettimeofday() is not a good solution
|
| 743 |
for timers because its value change when the date is
|
| 744 |
modified. */
|
| 745 |
if (timer_freq == 100) { |
| 746 |
return times(&tp) * 10; |
| 747 |
} else {
|
| 748 |
return ((int64_t)times(&tp) * 1000) / timer_freq; |
| 749 |
} |
| 750 |
} |
| 751 |
#endif
|
| 752 |
default:
|
| 753 |
case QEMU_TIMER_VIRTUAL:
|
| 754 |
return cpu_get_ticks();
|
| 755 |
} |
| 756 |
} |
| 757 |
|
| 758 |
/* save a timer */
|
| 759 |
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
| 760 |
{
|
| 761 |
uint64_t expire_time; |
| 762 |
|
| 763 |
if (qemu_timer_pending(ts)) {
|
| 764 |
expire_time = ts->expire_time; |
| 765 |
} else {
|
| 766 |
expire_time = -1;
|
| 767 |
} |
| 768 |
qemu_put_be64(f, expire_time); |
| 769 |
} |
| 770 |
|
| 771 |
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
| 772 |
{
|
| 773 |
uint64_t expire_time; |
| 774 |
|
| 775 |
expire_time = qemu_get_be64(f); |
| 776 |
if (expire_time != -1) { |
| 777 |
qemu_mod_timer(ts, expire_time); |
| 778 |
} else {
|
| 779 |
qemu_del_timer(ts); |
| 780 |
} |
| 781 |
} |
| 782 |
|
| 783 |
static void timer_save(QEMUFile *f, void *opaque) |
| 784 |
{
|
| 785 |
if (cpu_ticks_enabled) {
|
| 786 |
hw_error("cannot save state if virtual timers are running");
|
| 787 |
} |
| 788 |
qemu_put_be64s(f, &cpu_ticks_offset); |
| 789 |
qemu_put_be64s(f, &ticks_per_sec); |
| 790 |
} |
| 791 |
|
| 792 |
static int timer_load(QEMUFile *f, void *opaque, int version_id) |
| 793 |
{
|
| 794 |
if (version_id != 1) |
| 795 |
return -EINVAL;
|
| 796 |
if (cpu_ticks_enabled) {
|
| 797 |
return -EINVAL;
|
| 798 |
} |
| 799 |
qemu_get_be64s(f, &cpu_ticks_offset); |
| 800 |
qemu_get_be64s(f, &ticks_per_sec); |
| 801 |
return 0; |
| 802 |
} |
| 803 |
|
| 804 |
#ifdef _WIN32
|
| 805 |
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
| 806 |
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) |
| 807 |
#else
|
| 808 |
static void host_alarm_handler(int host_signum) |
| 809 |
#endif
|
| 810 |
{
|
| 811 |
#if 0
|
| 812 |
#define DISP_FREQ 1000
|
| 813 |
{
|
| 814 |
static int64_t delta_min = INT64_MAX;
|
| 815 |
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
| 816 |
static int count;
|
| 817 |
ti = qemu_get_clock(vm_clock);
|
| 818 |
if (last_clock != 0) {
|
| 819 |
delta = ti - last_clock;
|
| 820 |
if (delta < delta_min)
|
| 821 |
delta_min = delta;
|
| 822 |
if (delta > delta_max)
|
| 823 |
delta_max = delta;
|
| 824 |
delta_cum += delta;
|
| 825 |
if (++count == DISP_FREQ) {
|
| 826 |
printf("timer: min=%lld us max=%lld us avg=%lld us avg_freq=%0.3f Hz\n",
|
| 827 |
muldiv64(delta_min, 1000000, ticks_per_sec),
|
| 828 |
muldiv64(delta_max, 1000000, ticks_per_sec),
|
| 829 |
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
| 830 |
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
| 831 |
count = 0;
|
| 832 |
delta_min = INT64_MAX;
|
| 833 |
delta_max = 0;
|
| 834 |
delta_cum = 0;
|
| 835 |
}
|
| 836 |
}
|
| 837 |
last_clock = ti;
|
| 838 |
}
|
| 839 |
#endif
|
| 840 |
if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
|
| 841 |
qemu_get_clock(vm_clock)) || |
| 842 |
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], |
| 843 |
qemu_get_clock(rt_clock))) {
|
| 844 |
/* stop the cpu because a timer occured */
|
| 845 |
cpu_interrupt(global_env, CPU_INTERRUPT_EXIT); |
| 846 |
} |
| 847 |
} |
| 848 |
|
| 849 |
#ifndef _WIN32
|
| 850 |
|
| 851 |
#if defined(__linux__)
|
| 852 |
|
| 853 |
#define RTC_FREQ 1024 |
| 854 |
|
| 855 |
static int rtc_fd; |
| 856 |
|
| 857 |
static int start_rtc_timer(void) |
| 858 |
{
|
| 859 |
rtc_fd = open("/dev/rtc", O_RDONLY);
|
| 860 |
if (rtc_fd < 0) |
| 861 |
return -1; |
| 862 |
if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { |
| 863 |
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
| 864 |
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
| 865 |
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
| 866 |
goto fail;
|
| 867 |
} |
| 868 |
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { |
| 869 |
fail:
|
| 870 |
close(rtc_fd); |
| 871 |
return -1; |
| 872 |
} |
| 873 |
pit_min_timer_count = PIT_FREQ / RTC_FREQ; |
| 874 |
return 0; |
| 875 |
} |
| 876 |
|
| 877 |
#else
|
| 878 |
|
| 879 |
static int start_rtc_timer(void) |
| 880 |
{
|
| 881 |
return -1; |
| 882 |
} |
| 883 |
|
| 884 |
#endif /* !defined(__linux__) */ |
| 885 |
|
| 886 |
#endif /* !defined(_WIN32) */ |
| 887 |
|
| 888 |
static void init_timers(void) |
| 889 |
{
|
| 890 |
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); |
| 891 |
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); |
| 892 |
|
| 893 |
#ifdef _WIN32
|
| 894 |
{
|
| 895 |
int count=0; |
| 896 |
timerID = timeSetEvent(10, // interval (ms) |
| 897 |
0, // resolution |
| 898 |
host_alarm_handler, // function
|
| 899 |
(DWORD)&count, // user parameter
|
| 900 |
TIME_PERIODIC | TIME_CALLBACK_FUNCTION); |
| 901 |
if( !timerID ) {
|
| 902 |
perror("failed timer alarm");
|
| 903 |
exit(1);
|
| 904 |
} |
| 905 |
} |
| 906 |
pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; |
| 907 |
#else
|
| 908 |
{
|
| 909 |
struct sigaction act;
|
| 910 |
struct itimerval itv;
|
| 911 |
|
| 912 |
/* get times() syscall frequency */
|
| 913 |
timer_freq = sysconf(_SC_CLK_TCK); |
| 914 |
|
| 915 |
/* timer signal */
|
| 916 |
sigfillset(&act.sa_mask); |
| 917 |
act.sa_flags = 0;
|
| 918 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
| 919 |
act.sa_flags |= SA_ONSTACK; |
| 920 |
#endif
|
| 921 |
act.sa_handler = host_alarm_handler; |
| 922 |
sigaction(SIGALRM, &act, NULL);
|
| 923 |
|
| 924 |
itv.it_interval.tv_sec = 0;
|
| 925 |
itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */ |
| 926 |
itv.it_value.tv_sec = 0;
|
| 927 |
itv.it_value.tv_usec = 10 * 1000; |
| 928 |
setitimer(ITIMER_REAL, &itv, NULL);
|
| 929 |
/* we probe the tick duration of the kernel to inform the user if
|
| 930 |
the emulated kernel requested a too high timer frequency */
|
| 931 |
getitimer(ITIMER_REAL, &itv); |
| 932 |
|
| 933 |
#if defined(__linux__)
|
| 934 |
if (itv.it_interval.tv_usec > 1000) { |
| 935 |
/* try to use /dev/rtc to have a faster timer */
|
| 936 |
if (start_rtc_timer() < 0) |
| 937 |
goto use_itimer;
|
| 938 |
/* disable itimer */
|
| 939 |
itv.it_interval.tv_sec = 0;
|
| 940 |
itv.it_interval.tv_usec = 0;
|
| 941 |
itv.it_value.tv_sec = 0;
|
| 942 |
itv.it_value.tv_usec = 0;
|
| 943 |
setitimer(ITIMER_REAL, &itv, NULL);
|
| 944 |
|
| 945 |
/* use the RTC */
|
| 946 |
sigaction(SIGIO, &act, NULL);
|
| 947 |
fcntl(rtc_fd, F_SETFL, O_ASYNC); |
| 948 |
fcntl(rtc_fd, F_SETOWN, getpid()); |
| 949 |
} else
|
| 950 |
#endif /* defined(__linux__) */ |
| 951 |
{
|
| 952 |
use_itimer:
|
| 953 |
pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * |
| 954 |
PIT_FREQ) / 1000000;
|
| 955 |
} |
| 956 |
} |
| 957 |
#endif
|
| 958 |
} |
| 959 |
|
| 960 |
void quit_timers(void) |
| 961 |
{
|
| 962 |
#ifdef _WIN32
|
| 963 |
timeKillEvent(timerID); |
| 964 |
#endif
|
| 965 |
} |
| 966 |
|
| 967 |
/***********************************************************/
|
| 968 |
/* character device */
|
| 969 |
|
| 970 |
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) |
| 971 |
{
|
| 972 |
return s->chr_write(s, buf, len);
|
| 973 |
} |
| 974 |
|
| 975 |
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) |
| 976 |
{
|
| 977 |
char buf[4096]; |
| 978 |
va_list ap; |
| 979 |
va_start(ap, fmt); |
| 980 |
vsnprintf(buf, sizeof(buf), fmt, ap);
|
| 981 |
qemu_chr_write(s, buf, strlen(buf)); |
| 982 |
va_end(ap); |
| 983 |
} |
| 984 |
|
| 985 |
void qemu_chr_send_event(CharDriverState *s, int event) |
| 986 |
{
|
| 987 |
if (s->chr_send_event)
|
| 988 |
s->chr_send_event(s, event); |
| 989 |
} |
| 990 |
|
| 991 |
void qemu_chr_add_read_handler(CharDriverState *s,
|
| 992 |
IOCanRWHandler *fd_can_read, |
| 993 |
IOReadHandler *fd_read, void *opaque)
|
| 994 |
{
|
| 995 |
s->chr_add_read_handler(s, fd_can_read, fd_read, opaque); |
| 996 |
} |
| 997 |
|
| 998 |
void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
|
| 999 |
{
|
| 1000 |
s->chr_event = chr_event; |
| 1001 |
} |
| 1002 |
|
| 1003 |
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 1004 |
{
|
| 1005 |
return len;
|
| 1006 |
} |
| 1007 |
|
| 1008 |
static void null_chr_add_read_handler(CharDriverState *chr, |
| 1009 |
IOCanRWHandler *fd_can_read, |
| 1010 |
IOReadHandler *fd_read, void *opaque)
|
| 1011 |
{
|
| 1012 |
} |
| 1013 |
|
| 1014 |
CharDriverState *qemu_chr_open_null(void)
|
| 1015 |
{
|
| 1016 |
CharDriverState *chr; |
| 1017 |
|
| 1018 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 1019 |
if (!chr)
|
| 1020 |
return NULL; |
| 1021 |
chr->chr_write = null_chr_write; |
| 1022 |
chr->chr_add_read_handler = null_chr_add_read_handler; |
| 1023 |
return chr;
|
| 1024 |
} |
| 1025 |
|
| 1026 |
#ifndef _WIN32
|
| 1027 |
|
| 1028 |
typedef struct { |
| 1029 |
int fd_in, fd_out;
|
| 1030 |
/* for nographic stdio only */
|
| 1031 |
IOCanRWHandler *fd_can_read; |
| 1032 |
IOReadHandler *fd_read; |
| 1033 |
void *fd_opaque;
|
| 1034 |
} FDCharDriver; |
| 1035 |
|
| 1036 |
#define STDIO_MAX_CLIENTS 2 |
| 1037 |
|
| 1038 |
static int stdio_nb_clients; |
| 1039 |
static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
|
| 1040 |
|
| 1041 |
static int unix_write(int fd, const uint8_t *buf, int len1) |
| 1042 |
{
|
| 1043 |
int ret, len;
|
| 1044 |
|
| 1045 |
len = len1; |
| 1046 |
while (len > 0) { |
| 1047 |
ret = write(fd, buf, len); |
| 1048 |
if (ret < 0) { |
| 1049 |
if (errno != EINTR && errno != EAGAIN)
|
| 1050 |
return -1; |
| 1051 |
} else if (ret == 0) { |
| 1052 |
break;
|
| 1053 |
} else {
|
| 1054 |
buf += ret; |
| 1055 |
len -= ret; |
| 1056 |
} |
| 1057 |
} |
| 1058 |
return len1 - len;
|
| 1059 |
} |
| 1060 |
|
| 1061 |
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) |
| 1062 |
{
|
| 1063 |
FDCharDriver *s = chr->opaque; |
| 1064 |
return unix_write(s->fd_out, buf, len);
|
| 1065 |
} |
| 1066 |
|
| 1067 |
static void fd_chr_add_read_handler(CharDriverState *chr, |
| 1068 |
IOCanRWHandler *fd_can_read, |
| 1069 |
IOReadHandler *fd_read, void *opaque)
|
| 1070 |
{
|
| 1071 |
FDCharDriver *s = chr->opaque; |
| 1072 |
|
| 1073 |
if (nographic && s->fd_in == 0) { |
| 1074 |
s->fd_can_read = fd_can_read; |
| 1075 |
s->fd_read = fd_read; |
| 1076 |
s->fd_opaque = opaque; |
| 1077 |
} else {
|
| 1078 |
qemu_add_fd_read_handler(s->fd_in, fd_can_read, fd_read, opaque); |
| 1079 |
} |
| 1080 |
} |
| 1081 |
|
| 1082 |
/* open a character device to a unix fd */
|
| 1083 |
CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) |
| 1084 |
{
|
| 1085 |
CharDriverState *chr; |
| 1086 |
FDCharDriver *s; |
| 1087 |
|
| 1088 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
| 1089 |
if (!chr)
|
| 1090 |
return NULL; |
| 1091 |
s = qemu_mallocz(sizeof(FDCharDriver));
|
| 1092 |
if (!s) {
|
| 1093 |
free(chr); |
| 1094 |
return NULL; |
| 1095 |
} |
| 1096 |
s->fd_in = fd_in; |
| 1097 |
s->fd_out = fd_out; |
| 1098 |
chr->opaque = s; |
| 1099 |
chr->chr_write = fd_chr_write; |
| 1100 |
chr->chr_add_read_handler = fd_chr_add_read_handler; |
| 1101 |
return chr;
|
| 1102 |
} |
| 1103 |
|
| 1104 |
/* for STDIO, we handle the case where several clients use it
|
| 1105 |
(nographic mode) */
|
| 1106 |
|
| 1107 |
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ |
| 1108 |
|
| 1109 |
static int term_got_escape, client_index; |
| 1110 |
|
| 1111 |
void term_print_help(void) |
| 1112 |
{
|
| 1113 |
printf("\n"
|
| 1114 |
"C-a h print this help\n"
|
| 1115 |
"C-a x exit emulator\n"
|
| 1116 |
"C-a s save disk data back to file (if -snapshot)\n"
|
| 1117 |
"C-a b send break (magic sysrq)\n"
|
| 1118 |
"C-a c switch between console and monitor\n"
|
| 1119 |
"C-a C-a send C-a\n"
|
| 1120 |
); |
| 1121 |
} |
| 1122 |
|
| 1123 |
/* called when a char is received */
|
| 1124 |
static void stdio_received_byte(int ch) |
| 1125 |
{
|
| 1126 |
if (term_got_escape) {
|
| 1127 |
term_got_escape = 0;
|
| 1128 |
switch(ch) {
|
| 1129 |
case 'h': |
| 1130 |
term_print_help(); |
| 1131 |
break;
|
| 1132 |
case 'x': |
| 1133 |
exit(0);
|
| 1134 |
break;
|
| 1135 |
case 's': |
| 1136 |
{
|
| 1137 |
int i;
|
| 1138 |
for (i = 0; i < MAX_DISKS; i++) { |
| 1139 |
if (bs_table[i])
|
| 1140 |
bdrv_commit(bs_table[i]); |
| 1141 |
} |
| 1142 |
} |
| 1143 |
break;
|
| 1144 |
case 'b': |
| 1145 |
if (client_index < stdio_nb_clients) {
|
| 1146 |
CharDriverState *chr; |
| 1147 |
FDCharDriver *s; |
| 1148 |
|
| 1149 |
chr = stdio_clients[client_index]; |
| 1150 |
s = chr->opaque; |
| 1151 |
chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK); |
| 1152 |
} |
| 1153 |
break;
|
| 1154 |
case 'c': |
| 1155 |
client_index++; |
| 1156 |
if (client_index >= stdio_nb_clients)
|
| 1157 |
client_index = 0;
|
| 1158 |
if (client_index == 0) { |
| 1159 |
/* send a new line in the monitor to get the prompt */
|
| 1160 |
ch = '\r';
|
| 1161 |
goto send_char;
|
| 1162 |
} |
| 1163 |
break;
|
| 1164 |
case TERM_ESCAPE:
|
| 1165 |
goto send_char;
|
| 1166 |
} |
| 1167 |
} else if (ch == TERM_ESCAPE) { |
| 1168 |
term_got_escape = 1;
|
| 1169 |
} else {
|
| 1170 |
send_char:
|
| 1171 |
if (client_index < stdio_nb_clients) {
|
| 1172 |
uint8_t buf[1];
|
| 1173 |
CharDriverState *chr; |
| 1174 |
FDCharDriver *s; |
| 1175 |
|
| 1176 |
chr = stdio_clients[client_index]; |
| 1177 |
s = chr->opaque; |
| 1178 |
buf[0] = ch;
|
| 1179 |
/* XXX: should queue the char if the device is not
|
| 1180 |
ready */
|
| 1181 |
if (s->fd_can_read(s->fd_opaque) > 0) |
| 1182 |
s->fd_read(s->fd_opaque, buf, 1);
|
| 1183 |
} |
| 1184 |
} |
| 1185 |
} |
| 1186 |
|
| 1187 |
static int stdio_can_read(void *opaque) |
| 1188 |
{
|
| 1189 |
/* XXX: not strictly correct */
|
| 1190 |
return 1; |
| 1191 |
} |
| 1192 |
|
| 1193 |
static void stdio_read(void *opaque, const uint8_t *buf, int size) |
| 1194 |
{
|
| 1195 |
int i;
|
| 1196 |
for(i = 0; i < size; i++) |
| 1197 |
stdio_received_byte(buf[i]); |
| 1198 |
} |
| 1199 |
|
| 1200 |
/* init terminal so that we can grab keys */
|
| 1201 |
static struct termios oldtty; |
| 1202 |
static int old_fd0_flags; |
| 1203 |
|
| 1204 |
static void term_exit(void) |
| 1205 |
{
|
| 1206 |
tcsetattr (0, TCSANOW, &oldtty);
|
| 1207 |
fcntl(0, F_SETFL, old_fd0_flags);
|
| 1208 |
} |
| 1209 |
|
| 1210 |
static void term_init(void) |
| 1211 |
{
|
| 1212 |
struct termios tty;
|
| 1213 |
|
| 1214 |
tcgetattr (0, &tty);
|
| 1215 |
oldtty = tty; |
| 1216 |
old_fd0_flags = fcntl(0, F_GETFL);
|
| 1217 |
|
| 1218 |
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
| 1219 |
|INLCR|IGNCR|ICRNL|IXON); |
| 1220 |
tty.c_oflag |= OPOST; |
| 1221 |
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
| 1222 |
/* if graphical mode, we allow Ctrl-C handling */
|
| 1223 |
if (nographic)
|
| 1224 |
tty.c_lflag &= ~ISIG; |
| 1225 |
tty.c_cflag &= ~(CSIZE|PARENB); |
| 1226 |
tty.c_cflag |= CS8; |
| 1227 |
tty.c_cc[VMIN] = 1;
|
| 1228 |
tty.c_cc[VTIME] = 0;
|
| 1229 |
|
| 1230 |
tcsetattr (0, TCSANOW, &tty);
|
| 1231 |
|
| 1232 |
atexit(term_exit); |
| 1233 |
|
| 1234 |
fcntl(0, F_SETFL, O_NONBLOCK);
|
| 1235 |
} |
| 1236 |
|
| 1237 |
CharDriverState *qemu_chr_open_stdio(void)
|
| 1238 |
{
|
| 1239 |
CharDriverState *chr; |
| 1240 |
|
| 1241 |
if (nographic) {
|
| 1242 |
if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
|
| 1243 |
return NULL; |
| 1244 |
chr = qemu_chr_open_fd(0, 1); |
| 1245 |
if (stdio_nb_clients == 0) |
| 1246 |
qemu_add_fd_read_handler(0, stdio_can_read, stdio_read, NULL); |
| 1247 |
client_index = stdio_nb_clients; |
| 1248 |
} else {
|
| 1249 |
if (stdio_nb_clients != 0) |
| 1250 |
return NULL; |
| 1251 |
chr = qemu_chr_open_fd(0, 1); |
| 1252 |
} |
| 1253 |
stdio_clients[stdio_nb_clients++] = chr; |
| 1254 |
if (stdio_nb_clients == 1) { |
| 1255 |
/* set the terminal in raw mode */
|
| 1256 |
term_init(); |
| 1257 |
} |
| 1258 |
return chr;
|
| 1259 |
} |
| 1260 |
|
| 1261 |
#if defined(__linux__)
|
| 1262 |
CharDriverState *qemu_chr_open_pty(void)
|
| 1263 |
{
|
| 1264 |
char slave_name[1024]; |
| 1265 |
int master_fd, slave_fd;
|
| 1266 |
|
| 1267 |
/* Not satisfying */
|
| 1268 |
if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) { |
| 1269 |
return NULL; |
| 1270 |
} |
| 1271 |
fprintf(stderr, "char device redirected to %s\n", slave_name);
|
| 1272 |
return qemu_chr_open_fd(master_fd, master_fd);
|
| 1273 |
} |
| 1274 |
#else
|
| 1275 |
CharDriverState *qemu_chr_open_pty(void)
|
| 1276 |
{
|
| 1277 |
return NULL; |
| 1278 |
} |
| 1279 |
#endif
|
| 1280 |
|
| 1281 |
#endif /* !defined(_WIN32) */ |
| 1282 |
|
| 1283 |
CharDriverState *qemu_chr_open(const char *filename) |
| 1284 |
{
|
| 1285 |
if (!strcmp(filename, "vc")) { |
| 1286 |
return text_console_init(&display_state);
|
| 1287 |
} else if (!strcmp(filename, "null")) { |
| 1288 |
return qemu_chr_open_null();
|
| 1289 |
} else
|
| 1290 |
#ifndef _WIN32
|
| 1291 |
if (!strcmp(filename, "pty")) { |
| 1292 |
return qemu_chr_open_pty();
|
| 1293 |
} else if (!strcmp(filename, "stdio")) { |
| 1294 |
return qemu_chr_open_stdio();
|
| 1295 |
} else
|
| 1296 |
#endif
|
| 1297 |
{
|
| 1298 |
return NULL; |
| 1299 |
} |
| 1300 |
} |
| 1301 |
|
| 1302 |
/***********************************************************/
|
| 1303 |
/* Linux network device redirectors */
|
| 1304 |
|
| 1305 |
void hex_dump(FILE *f, const uint8_t *buf, int size) |
| 1306 |
{
|
| 1307 |
int len, i, j, c;
|
| 1308 |
|
| 1309 |
for(i=0;i<size;i+=16) { |
| 1310 |
len = size - i; |
| 1311 |
if (len > 16) |
| 1312 |
len = 16;
|
| 1313 |
fprintf(f, "%08x ", i);
|
| 1314 |
for(j=0;j<16;j++) { |
| 1315 |
if (j < len)
|
| 1316 |
fprintf(f, " %02x", buf[i+j]);
|
| 1317 |
else
|
| 1318 |
fprintf(f, " ");
|
| 1319 |
} |
| 1320 |
fprintf(f, " ");
|
| 1321 |
for(j=0;j<len;j++) { |
| 1322 |
c = buf[i+j]; |
| 1323 |
if (c < ' ' || c > '~') |
| 1324 |
c = '.';
|
| 1325 |
fprintf(f, "%c", c);
|
| 1326 |
} |
| 1327 |
fprintf(f, "\n");
|
| 1328 |
} |
| 1329 |
} |
| 1330 |
|
| 1331 |
void qemu_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
| 1332 |
{
|
| 1333 |
nd->send_packet(nd, buf, size); |
| 1334 |
} |
| 1335 |
|
| 1336 |
void qemu_add_read_packet(NetDriverState *nd, IOCanRWHandler *fd_can_read,
|
| 1337 |
IOReadHandler *fd_read, void *opaque)
|
| 1338 |
{
|
| 1339 |
nd->add_read_packet(nd, fd_can_read, fd_read, opaque); |
| 1340 |
} |
| 1341 |
|
| 1342 |
/* dummy network adapter */
|
| 1343 |
|
| 1344 |
static void dummy_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
| 1345 |
{
|
| 1346 |
} |
| 1347 |
|
| 1348 |
static void dummy_add_read_packet(NetDriverState *nd, |
| 1349 |
IOCanRWHandler *fd_can_read, |
| 1350 |
IOReadHandler *fd_read, void *opaque)
|
| 1351 |
{
|
| 1352 |
} |
| 1353 |
|
| 1354 |
static int net_dummy_init(NetDriverState *nd) |
| 1355 |
{
|
| 1356 |
nd->send_packet = dummy_send_packet; |
| 1357 |
nd->add_read_packet = dummy_add_read_packet; |
| 1358 |
pstrcpy(nd->ifname, sizeof(nd->ifname), "dummy"); |
| 1359 |
return 0; |
| 1360 |
} |
| 1361 |
|
| 1362 |
#if defined(CONFIG_SLIRP)
|
| 1363 |
|
| 1364 |
/* slirp network adapter */
|
| 1365 |
|
| 1366 |
static void *slirp_fd_opaque; |
| 1367 |
static IOCanRWHandler *slirp_fd_can_read;
|
| 1368 |
static IOReadHandler *slirp_fd_read;
|
| 1369 |
static int slirp_inited; |
| 1370 |
|
| 1371 |
int slirp_can_output(void) |
| 1372 |
{
|
| 1373 |
return slirp_fd_can_read(slirp_fd_opaque);
|
| 1374 |
} |
| 1375 |
|
| 1376 |
void slirp_output(const uint8_t *pkt, int pkt_len) |
| 1377 |
{
|
| 1378 |
#if 0
|
| 1379 |
printf("output:\n");
|
| 1380 |
hex_dump(stdout, pkt, pkt_len);
|
| 1381 |
#endif
|
| 1382 |
slirp_fd_read(slirp_fd_opaque, pkt, pkt_len); |
| 1383 |
} |
| 1384 |
|
| 1385 |
static void slirp_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
| 1386 |
{
|
| 1387 |
#if 0
|
| 1388 |
printf("input:\n");
|
| 1389 |
hex_dump(stdout, buf, size);
|
| 1390 |
#endif
|
| 1391 |
slirp_input(buf, size); |
| 1392 |
} |
| 1393 |
|
| 1394 |
static void slirp_add_read_packet(NetDriverState *nd, |
| 1395 |
IOCanRWHandler *fd_can_read, |
| 1396 |
IOReadHandler *fd_read, void *opaque)
|
| 1397 |
{
|
| 1398 |
slirp_fd_opaque = opaque; |
| 1399 |
slirp_fd_can_read = fd_can_read; |
| 1400 |
slirp_fd_read = fd_read; |
| 1401 |
} |
| 1402 |
|
| 1403 |
static int net_slirp_init(NetDriverState *nd) |
| 1404 |
{
|
| 1405 |
if (!slirp_inited) {
|
| 1406 |
slirp_inited = 1;
|
| 1407 |
slirp_init(); |
| 1408 |
} |
| 1409 |
nd->send_packet = slirp_send_packet; |
| 1410 |
nd->add_read_packet = slirp_add_read_packet; |
| 1411 |
pstrcpy(nd->ifname, sizeof(nd->ifname), "slirp"); |
| 1412 |
return 0; |
| 1413 |
} |
| 1414 |
|
| 1415 |
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) |
| 1416 |
{
|
| 1417 |
const char *p, *p1; |
| 1418 |
int len;
|
| 1419 |
p = *pp; |
| 1420 |
p1 = strchr(p, sep); |
| 1421 |
if (!p1)
|
| 1422 |
return -1; |
| 1423 |
len = p1 - p; |
| 1424 |
p1++; |
| 1425 |
if (buf_size > 0) { |
| 1426 |
if (len > buf_size - 1) |
| 1427 |
len = buf_size - 1;
|
| 1428 |
memcpy(buf, p, len); |
| 1429 |
buf[len] = '\0';
|
| 1430 |
} |
| 1431 |
*pp = p1; |
| 1432 |
return 0; |
| 1433 |
} |
| 1434 |
|
| 1435 |
static void net_slirp_redir(const char *redir_str) |
| 1436 |
{
|
| 1437 |
int is_udp;
|
| 1438 |
char buf[256], *r; |
| 1439 |
const char *p; |
| 1440 |
struct in_addr guest_addr;
|
| 1441 |
int host_port, guest_port;
|
| 1442 |
|
| 1443 |
if (!slirp_inited) {
|
| 1444 |
slirp_inited = 1;
|
| 1445 |
slirp_init(); |
| 1446 |
} |
| 1447 |
|
| 1448 |
p = redir_str; |
| 1449 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 1450 |
goto fail;
|
| 1451 |
if (!strcmp(buf, "tcp")) { |
| 1452 |
is_udp = 0;
|
| 1453 |
} else if (!strcmp(buf, "udp")) { |
| 1454 |
is_udp = 1;
|
| 1455 |
} else {
|
| 1456 |
goto fail;
|
| 1457 |
} |
| 1458 |
|
| 1459 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 1460 |
goto fail;
|
| 1461 |
host_port = strtol(buf, &r, 0);
|
| 1462 |
if (r == buf)
|
| 1463 |
goto fail;
|
| 1464 |
|
| 1465 |
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) |
| 1466 |
goto fail;
|
| 1467 |
if (buf[0] == '\0') { |
| 1468 |
pstrcpy(buf, sizeof(buf), "10.0.2.15"); |
| 1469 |
} |
| 1470 |
if (!inet_aton(buf, &guest_addr))
|
| 1471 |
goto fail;
|
| 1472 |
|
| 1473 |
guest_port = strtol(p, &r, 0);
|
| 1474 |
if (r == p)
|
| 1475 |
goto fail;
|
| 1476 |
|
| 1477 |
if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) { |
| 1478 |
fprintf(stderr, "qemu: could not set up redirection\n");
|
| 1479 |
exit(1);
|
| 1480 |
} |
| 1481 |
return;
|
| 1482 |
fail:
|
| 1483 |
fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
|
| 1484 |
exit(1);
|
| 1485 |
} |
| 1486 |
|
| 1487 |
#ifndef _WIN32
|
| 1488 |
|
| 1489 |
char smb_dir[1024]; |
| 1490 |
|
| 1491 |
static void smb_exit(void) |
| 1492 |
{
|
| 1493 |
DIR *d; |
| 1494 |
struct dirent *de;
|
| 1495 |
char filename[1024]; |
| 1496 |
|
| 1497 |
/* erase all the files in the directory */
|
| 1498 |
d = opendir(smb_dir); |
| 1499 |
for(;;) {
|
| 1500 |
de = readdir(d); |
| 1501 |
if (!de)
|
| 1502 |
break;
|
| 1503 |
if (strcmp(de->d_name, ".") != 0 && |
| 1504 |
strcmp(de->d_name, "..") != 0) { |
| 1505 |
snprintf(filename, sizeof(filename), "%s/%s", |
| 1506 |
smb_dir, de->d_name); |
| 1507 |
unlink(filename); |
| 1508 |
} |
| 1509 |
} |
| 1510 |
closedir(d); |
| 1511 |
rmdir(smb_dir); |
| 1512 |
} |
| 1513 |
|
| 1514 |
/* automatic user mode samba server configuration */
|
| 1515 |
void net_slirp_smb(const char *exported_dir) |
| 1516 |
{
|
| 1517 |
char smb_conf[1024]; |
| 1518 |
char smb_cmdline[1024]; |
| 1519 |
FILE *f; |
| 1520 |
|
| 1521 |
if (!slirp_inited) {
|
| 1522 |
slirp_inited = 1;
|
| 1523 |
slirp_init(); |
| 1524 |
} |
| 1525 |
|
| 1526 |
/* XXX: better tmp dir construction */
|
| 1527 |
snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); |
| 1528 |
if (mkdir(smb_dir, 0700) < 0) { |
| 1529 |
fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
|
| 1530 |
exit(1);
|
| 1531 |
} |
| 1532 |
snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); |
| 1533 |
|
| 1534 |
f = fopen(smb_conf, "w");
|
| 1535 |
if (!f) {
|
| 1536 |
fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
|
| 1537 |
exit(1);
|
| 1538 |
} |
| 1539 |
fprintf(f, |
| 1540 |
"[global]\n"
|
| 1541 |
"pid directory=%s\n"
|
| 1542 |
"lock directory=%s\n"
|
| 1543 |
"log file=%s/log.smbd\n"
|
| 1544 |
"smb passwd file=%s/smbpasswd\n"
|
| 1545 |
"security = share\n"
|
| 1546 |
"[qemu]\n"
|
| 1547 |
"path=%s\n"
|
| 1548 |
"read only=no\n"
|
| 1549 |
"guest ok=yes\n",
|
| 1550 |
smb_dir, |
| 1551 |
smb_dir, |
| 1552 |
smb_dir, |
| 1553 |
smb_dir, |
| 1554 |
exported_dir |
| 1555 |
); |
| 1556 |
fclose(f); |
| 1557 |
atexit(smb_exit); |
| 1558 |
|
| 1559 |
snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s", |
| 1560 |
smb_conf); |
| 1561 |
|
| 1562 |
slirp_add_exec(0, smb_cmdline, 4, 139); |
| 1563 |
} |
| 1564 |
|
| 1565 |
#endif /* !defined(_WIN32) */ |
| 1566 |
|
| 1567 |
#endif /* CONFIG_SLIRP */ |
| 1568 |
|
| 1569 |
#if !defined(_WIN32)
|
| 1570 |
#ifdef _BSD
|
| 1571 |
static int tun_open(char *ifname, int ifname_size) |
| 1572 |
{
|
| 1573 |
int fd;
|
| 1574 |
char *dev;
|
| 1575 |
struct stat s;
|
| 1576 |
|
| 1577 |
fd = open("/dev/tap", O_RDWR);
|
| 1578 |
if (fd < 0) { |
| 1579 |
fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
| 1580 |
return -1; |
| 1581 |
} |
| 1582 |
|
| 1583 |
fstat(fd, &s); |
| 1584 |
dev = devname(s.st_rdev, S_IFCHR); |
| 1585 |
pstrcpy(ifname, ifname_size, dev); |
| 1586 |
|
| 1587 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
| 1588 |
return fd;
|
| 1589 |
} |
| 1590 |
#else
|
| 1591 |
static int tun_open(char *ifname, int ifname_size) |
| 1592 |
{
|
| 1593 |
struct ifreq ifr;
|
| 1594 |
int fd, ret;
|
| 1595 |
|
| 1596 |
fd = open("/dev/net/tun", O_RDWR);
|
| 1597 |
if (fd < 0) { |
| 1598 |
fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
| 1599 |
return -1; |
| 1600 |
} |
| 1601 |
memset(&ifr, 0, sizeof(ifr)); |
| 1602 |
ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
| 1603 |
pstrcpy(ifr.ifr_name, IFNAMSIZ, "tun%d");
|
| 1604 |
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
| 1605 |
if (ret != 0) { |
| 1606 |
fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
| 1607 |
close(fd); |
| 1608 |
return -1; |
| 1609 |
} |
| 1610 |
printf("Connected to host network interface: %s\n", ifr.ifr_name);
|
| 1611 |
pstrcpy(ifname, ifname_size, ifr.ifr_name); |
| 1612 |
fcntl(fd, F_SETFL, O_NONBLOCK); |
| 1613 |
return fd;
|
| 1614 |
} |
| 1615 |
#endif
|
| 1616 |
|
| 1617 |
static void tun_send_packet(NetDriverState *nd, const uint8_t *buf, int size) |
| 1618 |
{
|
| 1619 |
write(nd->fd, buf, size); |
| 1620 |
} |
| 1621 |
|
| 1622 |
static void tun_add_read_packet(NetDriverState *nd, |
| 1623 |
IOCanRWHandler *fd_can_read, |
| 1624 |
IOReadHandler *fd_read, void *opaque)
|
| 1625 |
{
|
| 1626 |
qemu_add_fd_read_handler(nd->fd, fd_can_read, fd_read, opaque); |
| 1627 |
} |
| 1628 |
|
| 1629 |
static int net_tun_init(NetDriverState *nd) |
| 1630 |
{
|
| 1631 |
int pid, status;
|
| 1632 |
char *args[3]; |
| 1633 |
char **parg;
|
| 1634 |
|
| 1635 |
nd->fd = tun_open(nd->ifname, sizeof(nd->ifname));
|
| 1636 |
if (nd->fd < 0) |
| 1637 |
return -1; |
| 1638 |
|
| 1639 |
/* try to launch network init script */
|
| 1640 |
pid = fork(); |
| 1641 |
if (pid >= 0) { |
| 1642 |
if (pid == 0) { |
| 1643 |
parg = args; |
| 1644 |
*parg++ = network_script; |
| 1645 |
*parg++ = nd->ifname; |
| 1646 |
*parg++ = NULL;
|
| 1647 |
execv(network_script, args); |
| 1648 |
exit(1);
|
| 1649 |
} |
| 1650 |
while (waitpid(pid, &status, 0) != pid); |
| 1651 |
if (!WIFEXITED(status) ||
|
| 1652 |
WEXITSTATUS(status) != 0) {
|
| 1653 |
fprintf(stderr, "%s: could not launch network script\n",
|
| 1654 |
network_script); |
| 1655 |
} |
| 1656 |
} |
| 1657 |
nd->send_packet = tun_send_packet; |
| 1658 |
nd->add_read_packet = tun_add_read_packet; |
| 1659 |
return 0; |
| 1660 |
} |
| 1661 |
|
| 1662 |
static int net_fd_init(NetDriverState *nd, int fd) |
| 1663 |
{
|
| 1664 |
nd->fd = fd; |
| 1665 |
nd->send_packet = tun_send_packet; |
| 1666 |
nd->add_read_packet = tun_add_read_packet; |
| 1667 |
pstrcpy(nd->ifname, sizeof(nd->ifname), "tunfd"); |
| 1668 |
return 0; |
| 1669 |
} |
| 1670 |
|
| 1671 |
#endif /* !_WIN32 */ |
| 1672 |
|
| 1673 |
/***********************************************************/
|
| 1674 |
/* pid file */
|
| 1675 |
|
| 1676 |
static char *pid_filename; |
| 1677 |
|
| 1678 |
/* Remove PID file. Called on normal exit */
|
| 1679 |
|
| 1680 |
static void remove_pidfile(void) |
| 1681 |
{
|
| 1682 |
unlink (pid_filename); |
| 1683 |
} |
| 1684 |
|
| 1685 |
static void create_pidfile(const char *filename) |
| 1686 |
{
|
| 1687 |
struct stat pidstat;
|
| 1688 |
FILE *f; |
| 1689 |
|
| 1690 |
/* Try to write our PID to the named file */
|
| 1691 |
if (stat(filename, &pidstat) < 0) { |
| 1692 |
if (errno == ENOENT) {
|
| 1693 |
if ((f = fopen (filename, "w")) == NULL) { |
| 1694 |
perror("Opening pidfile");
|
| 1695 |
exit(1);
|
| 1696 |
} |
| 1697 |
fprintf(f, "%d\n", getpid());
|
| 1698 |
fclose(f); |
| 1699 |
pid_filename = qemu_strdup(filename); |
| 1700 |
if (!pid_filename) {
|
| 1701 |
fprintf(stderr, "Could not save PID filename");
|
| 1702 |
exit(1);
|
| 1703 |
} |
| 1704 |
atexit(remove_pidfile); |
| 1705 |
} |
| 1706 |
} else {
|
| 1707 |
fprintf(stderr, "%s already exists. Remove it and try again.\n",
|
| 1708 |
filename); |
| 1709 |
exit(1);
|
| 1710 |
} |
| 1711 |
} |
| 1712 |
|
| 1713 |
/***********************************************************/
|
| 1714 |
/* dumb display */
|
| 1715 |
|
| 1716 |
static void dumb_update(DisplayState *ds, int x, int y, int w, int h) |
| 1717 |
{
|
| 1718 |
} |
| 1719 |
|
| 1720 |
static void dumb_resize(DisplayState *ds, int w, int h) |
| 1721 |
{
|
| 1722 |
} |
| 1723 |
|
| 1724 |
static void dumb_refresh(DisplayState *ds) |
| 1725 |
{
|
| 1726 |
vga_update_display(); |
| 1727 |
} |
| 1728 |
|
| 1729 |
void dumb_display_init(DisplayState *ds)
|
| 1730 |
{
|
| 1731 |
ds->data = NULL;
|
| 1732 |
ds->linesize = 0;
|
| 1733 |
ds->depth = 0;
|
| 1734 |
ds->dpy_update = dumb_update; |
| 1735 |
ds->dpy_resize = dumb_resize; |
| 1736 |
ds->dpy_refresh = dumb_refresh; |
| 1737 |
} |
| 1738 |
|
| 1739 |
#if !defined(CONFIG_SOFTMMU)
|
| 1740 |
/***********************************************************/
|
| 1741 |
/* cpu signal handler */
|
| 1742 |
static void host_segv_handler(int host_signum, siginfo_t *info, |
| 1743 |
void *puc)
|
| 1744 |
{
|
| 1745 |
if (cpu_signal_handler(host_signum, info, puc))
|
| 1746 |
return;
|
| 1747 |
if (stdio_nb_clients > 0) |
| 1748 |
term_exit(); |
| 1749 |
abort(); |
| 1750 |
} |
| 1751 |
#endif
|
| 1752 |
|
| 1753 |
/***********************************************************/
|
| 1754 |
/* I/O handling */
|
| 1755 |
|
| 1756 |
#define MAX_IO_HANDLERS 64 |
| 1757 |
|
| 1758 |
typedef struct IOHandlerRecord { |
| 1759 |
int fd;
|
| 1760 |
IOCanRWHandler *fd_can_read; |
| 1761 |
IOReadHandler *fd_read; |
| 1762 |
void *opaque;
|
| 1763 |
/* temporary data */
|
| 1764 |
struct pollfd *ufd;
|
| 1765 |
int max_size;
|
| 1766 |
struct IOHandlerRecord *next;
|
| 1767 |
} IOHandlerRecord; |
| 1768 |
|
| 1769 |
static IOHandlerRecord *first_io_handler;
|
| 1770 |
|
| 1771 |
int qemu_add_fd_read_handler(int fd, IOCanRWHandler *fd_can_read, |
| 1772 |
IOReadHandler *fd_read, void *opaque)
|
| 1773 |
{
|
| 1774 |
IOHandlerRecord *ioh; |
| 1775 |
|
| 1776 |
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
| 1777 |
if (!ioh)
|
| 1778 |
return -1; |
| 1779 |
ioh->fd = fd; |
| 1780 |
ioh->fd_can_read = fd_can_read; |
| 1781 |
ioh->fd_read = fd_read; |
| 1782 |
ioh->opaque = opaque; |
| 1783 |
ioh->next = first_io_handler; |
| 1784 |
first_io_handler = ioh; |
| 1785 |
return 0; |
| 1786 |
} |
| 1787 |
|
| 1788 |
void qemu_del_fd_read_handler(int fd) |
| 1789 |
{
|
| 1790 |
IOHandlerRecord **pioh, *ioh; |
| 1791 |
|
| 1792 |
pioh = &first_io_handler; |
| 1793 |
for(;;) {
|
| 1794 |
ioh = *pioh; |
| 1795 |
if (ioh == NULL) |
| 1796 |
break;
|
| 1797 |
if (ioh->fd == fd) {
|
| 1798 |
*pioh = ioh->next; |
| 1799 |
break;
|
| 1800 |
} |
| 1801 |
pioh = &ioh->next; |
| 1802 |
} |
| 1803 |
} |
| 1804 |
|
| 1805 |
/***********************************************************/
|
| 1806 |
/* savevm/loadvm support */
|
| 1807 |
|
| 1808 |
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) |
| 1809 |
{
|
| 1810 |
fwrite(buf, 1, size, f);
|
| 1811 |
} |
| 1812 |
|
| 1813 |
void qemu_put_byte(QEMUFile *f, int v) |
| 1814 |
{
|
| 1815 |
fputc(v, f); |
| 1816 |
} |
| 1817 |
|
| 1818 |
void qemu_put_be16(QEMUFile *f, unsigned int v) |
| 1819 |
{
|
| 1820 |
qemu_put_byte(f, v >> 8);
|
| 1821 |
qemu_put_byte(f, v); |
| 1822 |
} |
| 1823 |
|
| 1824 |
void qemu_put_be32(QEMUFile *f, unsigned int v) |
| 1825 |
{
|
| 1826 |
qemu_put_byte(f, v >> 24);
|
| 1827 |
qemu_put_byte(f, v >> 16);
|
| 1828 |
qemu_put_byte(f, v >> 8);
|
| 1829 |
qemu_put_byte(f, v); |
| 1830 |
} |
| 1831 |
|
| 1832 |
void qemu_put_be64(QEMUFile *f, uint64_t v)
|
| 1833 |
{
|
| 1834 |
qemu_put_be32(f, v >> 32);
|
| 1835 |
qemu_put_be32(f, v); |
| 1836 |
} |
| 1837 |
|
| 1838 |
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size) |
| 1839 |
{
|
| 1840 |
return fread(buf, 1, size, f); |
| 1841 |
} |
| 1842 |
|
| 1843 |
int qemu_get_byte(QEMUFile *f)
|
| 1844 |
{
|
| 1845 |
int v;
|
| 1846 |
v = fgetc(f); |
| 1847 |
if (v == EOF) |
| 1848 |
return 0; |
| 1849 |
else
|
| 1850 |
return v;
|
| 1851 |
} |
| 1852 |
|
| 1853 |
unsigned int qemu_get_be16(QEMUFile *f) |
| 1854 |
{
|
| 1855 |
unsigned int v; |
| 1856 |
v = qemu_get_byte(f) << 8;
|
| 1857 |
v |= qemu_get_byte(f); |
| 1858 |
return v;
|
| 1859 |
} |
| 1860 |
|
| 1861 |
unsigned int qemu_get_be32(QEMUFile *f) |
| 1862 |
{
|
| 1863 |
unsigned int v; |
| 1864 |
v = qemu_get_byte(f) << 24;
|
| 1865 |
v |= qemu_get_byte(f) << 16;
|
| 1866 |
v |= qemu_get_byte(f) << 8;
|
| 1867 |
v |= qemu_get_byte(f); |
| 1868 |
return v;
|
| 1869 |
} |
| 1870 |
|
| 1871 |
uint64_t qemu_get_be64(QEMUFile *f) |
| 1872 |
{
|
| 1873 |
uint64_t v; |
| 1874 |
v = (uint64_t)qemu_get_be32(f) << 32;
|
| 1875 |
v |= qemu_get_be32(f); |
| 1876 |
return v;
|
| 1877 |
} |
| 1878 |
|
| 1879 |
int64_t qemu_ftell(QEMUFile *f) |
| 1880 |
{
|
| 1881 |
return ftell(f);
|
| 1882 |
} |
| 1883 |
|
| 1884 |
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
| 1885 |
{
|
| 1886 |
if (fseek(f, pos, whence) < 0) |
| 1887 |
return -1; |
| 1888 |
return ftell(f);
|
| 1889 |
} |
| 1890 |
|
| 1891 |
typedef struct SaveStateEntry { |
| 1892 |
char idstr[256]; |
| 1893 |
int instance_id;
|
| 1894 |
int version_id;
|
| 1895 |
SaveStateHandler *save_state; |
| 1896 |
LoadStateHandler *load_state; |
| 1897 |
void *opaque;
|
| 1898 |
struct SaveStateEntry *next;
|
| 1899 |
} SaveStateEntry; |
| 1900 |
|
| 1901 |
static SaveStateEntry *first_se;
|
| 1902 |
|
| 1903 |
int register_savevm(const char *idstr, |
| 1904 |
int instance_id,
|
| 1905 |
int version_id,
|
| 1906 |
SaveStateHandler *save_state, |
| 1907 |
LoadStateHandler *load_state, |
| 1908 |
void *opaque)
|
| 1909 |
{
|
| 1910 |
SaveStateEntry *se, **pse; |
| 1911 |
|
| 1912 |
se = qemu_malloc(sizeof(SaveStateEntry));
|
| 1913 |
if (!se)
|
| 1914 |
return -1; |
| 1915 |
pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
| 1916 |
se->instance_id = instance_id; |
| 1917 |
se->version_id = version_id; |
| 1918 |
se->save_state = save_state; |
| 1919 |
se->load_state = load_state; |
| 1920 |
se->opaque = opaque; |
| 1921 |
se->next = NULL;
|
| 1922 |
|
| 1923 |
/* add at the end of list */
|
| 1924 |
pse = &first_se; |
| 1925 |
while (*pse != NULL) |
| 1926 |
pse = &(*pse)->next; |
| 1927 |
*pse = se; |
| 1928 |
return 0; |
| 1929 |
} |
| 1930 |
|
| 1931 |
#define QEMU_VM_FILE_MAGIC 0x5145564d |
| 1932 |
#define QEMU_VM_FILE_VERSION 0x00000001 |
| 1933 |
|
| 1934 |
int qemu_savevm(const char *filename) |
| 1935 |
{
|
| 1936 |
SaveStateEntry *se; |
| 1937 |
QEMUFile *f; |
| 1938 |
int len, len_pos, cur_pos, saved_vm_running, ret;
|
| 1939 |
|
| 1940 |
saved_vm_running = vm_running; |
| 1941 |
vm_stop(0);
|
| 1942 |
|
| 1943 |
f = fopen(filename, "wb");
|
| 1944 |
if (!f) {
|
| 1945 |
ret = -1;
|
| 1946 |
goto the_end;
|
| 1947 |
} |
| 1948 |
|
| 1949 |
qemu_put_be32(f, QEMU_VM_FILE_MAGIC); |
| 1950 |
qemu_put_be32(f, QEMU_VM_FILE_VERSION); |
| 1951 |
|
| 1952 |
for(se = first_se; se != NULL; se = se->next) { |
| 1953 |
/* ID string */
|
| 1954 |
len = strlen(se->idstr); |
| 1955 |
qemu_put_byte(f, len); |
| 1956 |
qemu_put_buffer(f, se->idstr, len); |
| 1957 |
|
| 1958 |
qemu_put_be32(f, se->instance_id); |
| 1959 |
qemu_put_be32(f, se->version_id); |
| 1960 |
|
| 1961 |
/* record size: filled later */
|
| 1962 |
len_pos = ftell(f); |
| 1963 |
qemu_put_be32(f, 0);
|
| 1964 |
|
| 1965 |
se->save_state(f, se->opaque); |
| 1966 |
|
| 1967 |
/* fill record size */
|
| 1968 |
cur_pos = ftell(f); |
| 1969 |
len = ftell(f) - len_pos - 4;
|
| 1970 |
fseek(f, len_pos, SEEK_SET); |
| 1971 |
qemu_put_be32(f, len); |
| 1972 |
fseek(f, cur_pos, SEEK_SET); |
| 1973 |
} |
| 1974 |
|
| 1975 |
fclose(f); |
| 1976 |
ret = 0;
|
| 1977 |
the_end:
|
| 1978 |
if (saved_vm_running)
|
| 1979 |
vm_start(); |
| 1980 |
return ret;
|
| 1981 |
} |
| 1982 |
|
| 1983 |
static SaveStateEntry *find_se(const char *idstr, int instance_id) |
| 1984 |
{
|
| 1985 |
SaveStateEntry *se; |
| 1986 |
|
| 1987 |
for(se = first_se; se != NULL; se = se->next) { |
| 1988 |
if (!strcmp(se->idstr, idstr) &&
|
| 1989 |
instance_id == se->instance_id) |
| 1990 |
return se;
|
| 1991 |
} |
| 1992 |
return NULL; |
| 1993 |
} |
| 1994 |
|
| 1995 |
int qemu_loadvm(const char *filename) |
| 1996 |
{
|
| 1997 |
SaveStateEntry *se; |
| 1998 |
QEMUFile *f; |
| 1999 |
int len, cur_pos, ret, instance_id, record_len, version_id;
|
| 2000 |
int saved_vm_running;
|
| 2001 |
unsigned int v; |
| 2002 |
char idstr[256]; |
| 2003 |
|
| 2004 |
saved_vm_running = vm_running; |
| 2005 |
vm_stop(0);
|
| 2006 |
|
| 2007 |
f = fopen(filename, "rb");
|
| 2008 |
if (!f) {
|
| 2009 |
ret = -1;
|
| 2010 |
goto the_end;
|
| 2011 |
} |
| 2012 |
|
| 2013 |
v = qemu_get_be32(f); |
| 2014 |
if (v != QEMU_VM_FILE_MAGIC)
|
| 2015 |
goto fail;
|
| 2016 |
v = qemu_get_be32(f); |
| 2017 |
if (v != QEMU_VM_FILE_VERSION) {
|
| 2018 |
fail:
|
| 2019 |
fclose(f); |
| 2020 |
ret = -1;
|
| 2021 |
goto the_end;
|
| 2022 |
} |
| 2023 |
for(;;) {
|
| 2024 |
#if defined (DO_TB_FLUSH)
|
| 2025 |
tb_flush(global_env); |
| 2026 |
#endif
|
| 2027 |
len = qemu_get_byte(f); |
| 2028 |
if (feof(f))
|
| 2029 |
break;
|
| 2030 |
qemu_get_buffer(f, idstr, len); |
| 2031 |
idstr[len] = '\0';
|
| 2032 |
instance_id = qemu_get_be32(f); |
| 2033 |
version_id = qemu_get_be32(f); |
| 2034 |
record_len = qemu_get_be32(f); |
| 2035 |
#if 0
|
| 2036 |
printf("idstr=%s instance=0x%x version=%d len=%d\n",
|
| 2037 |
idstr, instance_id, version_id, record_len);
|
| 2038 |
#endif
|
| 2039 |
cur_pos = ftell(f); |
| 2040 |
se = find_se(idstr, instance_id); |
| 2041 |
if (!se) {
|
| 2042 |
fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
| 2043 |
instance_id, idstr); |
| 2044 |
} else {
|
| 2045 |
ret = se->load_state(f, se->opaque, version_id); |
| 2046 |
if (ret < 0) { |
| 2047 |
fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
| 2048 |
instance_id, idstr); |
| 2049 |
} |
| 2050 |
} |
| 2051 |
/* always seek to exact end of record */
|
| 2052 |
qemu_fseek(f, cur_pos + record_len, SEEK_SET); |
| 2053 |
} |
| 2054 |
fclose(f); |
| 2055 |
ret = 0;
|
| 2056 |
the_end:
|
| 2057 |
if (saved_vm_running)
|
| 2058 |
vm_start(); |
| 2059 |
return ret;
|
| 2060 |
} |
| 2061 |
|
| 2062 |
/***********************************************************/
|
| 2063 |
/* cpu save/restore */
|
| 2064 |
|
| 2065 |
#if defined(TARGET_I386)
|
| 2066 |
|
| 2067 |
static void cpu_put_seg(QEMUFile *f, SegmentCache *dt) |
| 2068 |
{
|
| 2069 |
qemu_put_be32(f, dt->selector); |
| 2070 |
qemu_put_betl(f, dt->base); |
| 2071 |
qemu_put_be32(f, dt->limit); |
| 2072 |
qemu_put_be32(f, dt->flags); |
| 2073 |
} |
| 2074 |
|
| 2075 |
static void cpu_get_seg(QEMUFile *f, SegmentCache *dt) |
| 2076 |
{
|
| 2077 |
dt->selector = qemu_get_be32(f); |
| 2078 |
dt->base = qemu_get_betl(f); |
| 2079 |
dt->limit = qemu_get_be32(f); |
| 2080 |
dt->flags = qemu_get_be32(f); |
| 2081 |
} |
| 2082 |
|
| 2083 |
void cpu_save(QEMUFile *f, void *opaque) |
| 2084 |
{
|
| 2085 |
CPUState *env = opaque; |
| 2086 |
uint16_t fptag, fpus, fpuc, fpregs_format; |
| 2087 |
uint32_t hflags; |
| 2088 |
int i;
|
| 2089 |
|
| 2090 |
for(i = 0; i < CPU_NB_REGS; i++) |
| 2091 |
qemu_put_betls(f, &env->regs[i]); |
| 2092 |
qemu_put_betls(f, &env->eip); |
| 2093 |
qemu_put_betls(f, &env->eflags); |
| 2094 |
hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
|
| 2095 |
qemu_put_be32s(f, &hflags); |
| 2096 |
|
| 2097 |
/* FPU */
|
| 2098 |
fpuc = env->fpuc; |
| 2099 |
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; |
| 2100 |
fptag = 0;
|
| 2101 |
for(i = 0; i < 8; i++) { |
| 2102 |
fptag |= ((!env->fptags[i]) << i); |
| 2103 |
} |
| 2104 |
|
| 2105 |
qemu_put_be16s(f, &fpuc); |
| 2106 |
qemu_put_be16s(f, &fpus); |
| 2107 |
qemu_put_be16s(f, &fptag); |
| 2108 |
|
| 2109 |
#ifdef USE_X86LDOUBLE
|
| 2110 |
fpregs_format = 0;
|
| 2111 |
#else
|
| 2112 |
fpregs_format = 1;
|
| 2113 |
#endif
|
| 2114 |
qemu_put_be16s(f, &fpregs_format); |
| 2115 |
|
| 2116 |
for(i = 0; i < 8; i++) { |
| 2117 |
#ifdef USE_X86LDOUBLE
|
| 2118 |
{
|
| 2119 |
uint64_t mant; |
| 2120 |
uint16_t exp; |
| 2121 |
/* we save the real CPU data (in case of MMX usage only 'mant'
|
| 2122 |
contains the MMX register */
|
| 2123 |
cpu_get_fp80(&mant, &exp, env->fpregs[i].d); |
| 2124 |
qemu_put_be64(f, mant); |
| 2125 |
qemu_put_be16(f, exp); |
| 2126 |
} |
| 2127 |
#else
|
| 2128 |
/* if we use doubles for float emulation, we save the doubles to
|
| 2129 |
avoid losing information in case of MMX usage. It can give
|
| 2130 |
problems if the image is restored on a CPU where long
|
| 2131 |
doubles are used instead. */
|
| 2132 |
qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
|
| 2133 |
#endif
|
| 2134 |
} |
| 2135 |
|
| 2136 |
for(i = 0; i < 6; i++) |
| 2137 |
cpu_put_seg(f, &env->segs[i]); |
| 2138 |
cpu_put_seg(f, &env->ldt); |
| 2139 |
cpu_put_seg(f, &env->tr); |
| 2140 |
cpu_put_seg(f, &env->gdt); |
| 2141 |
cpu_put_seg(f, &env->idt); |
| 2142 |
|
| 2143 |
qemu_put_be32s(f, &env->sysenter_cs); |
| 2144 |
qemu_put_be32s(f, &env->sysenter_esp); |
| 2145 |
qemu_put_be32s(f, &env->sysenter_eip); |
| 2146 |
|
| 2147 |
qemu_put_betls(f, &env->cr[0]);
|
| 2148 |
qemu_put_betls(f, &env->cr[2]);
|
| 2149 |
qemu_put_betls(f, &env->cr[3]);
|
| 2150 |
qemu_put_betls(f, &env->cr[4]);
|
| 2151 |
|
| 2152 |
for(i = 0; i < 8; i++) |
| 2153 |
qemu_put_betls(f, &env->dr[i]); |
| 2154 |
|
| 2155 |
/* MMU */
|
| 2156 |
qemu_put_be32s(f, &env->a20_mask); |
| 2157 |
|
| 2158 |
/* XMM */
|
| 2159 |
qemu_put_be32s(f, &env->mxcsr); |
| 2160 |
for(i = 0; i < CPU_NB_REGS; i++) { |
| 2161 |
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
| 2162 |
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
| 2163 |
} |
| 2164 |
|
| 2165 |
#ifdef TARGET_X86_64
|
| 2166 |
qemu_put_be64s(f, &env->efer); |
| 2167 |
qemu_put_be64s(f, &env->star); |
| 2168 |
qemu_put_be64s(f, &env->lstar); |
| 2169 |
qemu_put_be64s(f, &env->cstar); |
| 2170 |
qemu_put_be64s(f, &env->fmask); |
| 2171 |
qemu_put_be64s(f, &env->kernelgsbase); |
| 2172 |
#endif
|
| 2173 |
} |
| 2174 |
|
| 2175 |
#ifdef USE_X86LDOUBLE
|
| 2176 |
/* XXX: add that in a FPU generic layer */
|
| 2177 |
union x86_longdouble {
|
| 2178 |
uint64_t mant; |
| 2179 |
uint16_t exp; |
| 2180 |
}; |
| 2181 |
|
| 2182 |
#define MANTD1(fp) (fp & ((1LL << 52) - 1)) |
| 2183 |
#define EXPBIAS1 1023 |
| 2184 |
#define EXPD1(fp) ((fp >> 52) & 0x7FF) |
| 2185 |
#define SIGND1(fp) ((fp >> 32) & 0x80000000) |
| 2186 |
|
| 2187 |
static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp) |
| 2188 |
{
|
| 2189 |
int e;
|
| 2190 |
/* mantissa */
|
| 2191 |
p->mant = (MANTD1(temp) << 11) | (1LL << 63); |
| 2192 |
/* exponent + sign */
|
| 2193 |
e = EXPD1(temp) - EXPBIAS1 + 16383;
|
| 2194 |
e |= SIGND1(temp) >> 16;
|
| 2195 |
p->exp = e; |
| 2196 |
} |
| 2197 |
#endif
|
| 2198 |
|
| 2199 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
| 2200 |
{
|
| 2201 |
CPUState *env = opaque; |
| 2202 |
int i, guess_mmx;
|
| 2203 |
uint32_t hflags; |
| 2204 |
uint16_t fpus, fpuc, fptag, fpregs_format; |
| 2205 |
|
| 2206 |
if (version_id != 3) |
| 2207 |
return -EINVAL;
|
| 2208 |
for(i = 0; i < CPU_NB_REGS; i++) |
| 2209 |
qemu_get_betls(f, &env->regs[i]); |
| 2210 |
qemu_get_betls(f, &env->eip); |
| 2211 |
qemu_get_betls(f, &env->eflags); |
| 2212 |
qemu_get_be32s(f, &hflags); |
| 2213 |
|
| 2214 |
qemu_get_be16s(f, &fpuc); |
| 2215 |
qemu_get_be16s(f, &fpus); |
| 2216 |
qemu_get_be16s(f, &fptag); |
| 2217 |
qemu_get_be16s(f, &fpregs_format); |
| 2218 |
|
| 2219 |
/* NOTE: we cannot always restore the FPU state if the image come
|
| 2220 |
from a host with a different 'USE_X86LDOUBLE' define. We guess
|
| 2221 |
if we are in an MMX state to restore correctly in that case. */
|
| 2222 |
guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0); |
| 2223 |
for(i = 0; i < 8; i++) { |
| 2224 |
uint64_t mant; |
| 2225 |
uint16_t exp; |
| 2226 |
|
| 2227 |
switch(fpregs_format) {
|
| 2228 |
case 0: |
| 2229 |
mant = qemu_get_be64(f); |
| 2230 |
exp = qemu_get_be16(f); |
| 2231 |
#ifdef USE_X86LDOUBLE
|
| 2232 |
env->fpregs[i].d = cpu_set_fp80(mant, exp); |
| 2233 |
#else
|
| 2234 |
/* difficult case */
|
| 2235 |
if (guess_mmx)
|
| 2236 |
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
| 2237 |
else
|
| 2238 |
env->fpregs[i].d = cpu_set_fp80(mant, exp); |
| 2239 |
#endif
|
| 2240 |
break;
|
| 2241 |
case 1: |
| 2242 |
mant = qemu_get_be64(f); |
| 2243 |
#ifdef USE_X86LDOUBLE
|
| 2244 |
{
|
| 2245 |
union x86_longdouble *p;
|
| 2246 |
/* difficult case */
|
| 2247 |
p = (void *)&env->fpregs[i];
|
| 2248 |
if (guess_mmx) {
|
| 2249 |
p->mant = mant; |
| 2250 |
p->exp = 0xffff;
|
| 2251 |
} else {
|
| 2252 |
fp64_to_fp80(p, mant); |
| 2253 |
} |
| 2254 |
} |
| 2255 |
#else
|
| 2256 |
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
| 2257 |
#endif
|
| 2258 |
break;
|
| 2259 |
default:
|
| 2260 |
return -EINVAL;
|
| 2261 |
} |
| 2262 |
} |
| 2263 |
|
| 2264 |
env->fpuc = fpuc; |
| 2265 |
env->fpstt = (fpus >> 11) & 7; |
| 2266 |
env->fpus = fpus & ~0x3800;
|
| 2267 |
fptag ^= 0xff;
|
| 2268 |
for(i = 0; i < 8; i++) { |
| 2269 |
env->fptags[i] = (fptag >> i) & 1;
|
| 2270 |
} |
| 2271 |
|
| 2272 |
for(i = 0; i < 6; i++) |
| 2273 |
cpu_get_seg(f, &env->segs[i]); |
| 2274 |
cpu_get_seg(f, &env->ldt); |
| 2275 |
cpu_get_seg(f, &env->tr); |
| 2276 |
cpu_get_seg(f, &env->gdt); |
| 2277 |
cpu_get_seg(f, &env->idt); |
| 2278 |
|
| 2279 |
qemu_get_be32s(f, &env->sysenter_cs); |
| 2280 |
qemu_get_be32s(f, &env->sysenter_esp); |
| 2281 |
qemu_get_be32s(f, &env->sysenter_eip); |
| 2282 |
|
| 2283 |
qemu_get_betls(f, &env->cr[0]);
|
| 2284 |
qemu_get_betls(f, &env->cr[2]);
|
| 2285 |
qemu_get_betls(f, &env->cr[3]);
|
| 2286 |
qemu_get_betls(f, &env->cr[4]);
|
| 2287 |
|
| 2288 |
for(i = 0; i < 8; i++) |
| 2289 |
qemu_get_betls(f, &env->dr[i]); |
| 2290 |
|
| 2291 |
/* MMU */
|
| 2292 |
qemu_get_be32s(f, &env->a20_mask); |
| 2293 |
|
| 2294 |
qemu_get_be32s(f, &env->mxcsr); |
| 2295 |
for(i = 0; i < CPU_NB_REGS; i++) { |
| 2296 |
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
| 2297 |
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
| 2298 |
} |
| 2299 |
|
| 2300 |
#ifdef TARGET_X86_64
|
| 2301 |
qemu_get_be64s(f, &env->efer); |
| 2302 |
qemu_get_be64s(f, &env->star); |
| 2303 |
qemu_get_be64s(f, &env->lstar); |
| 2304 |
qemu_get_be64s(f, &env->cstar); |
| 2305 |
qemu_get_be64s(f, &env->fmask); |
| 2306 |
qemu_get_be64s(f, &env->kernelgsbase); |
| 2307 |
#endif
|
| 2308 |
|
| 2309 |
/* XXX: compute hflags from scratch, except for CPL and IIF */
|
| 2310 |
env->hflags = hflags; |
| 2311 |
tlb_flush(env, 1);
|
| 2312 |
return 0; |
| 2313 |
} |
| 2314 |
|
| 2315 |
#elif defined(TARGET_PPC)
|
| 2316 |
void cpu_save(QEMUFile *f, void *opaque) |
| 2317 |
{
|
| 2318 |
} |
| 2319 |
|
| 2320 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
| 2321 |
{
|
| 2322 |
return 0; |
| 2323 |
} |
| 2324 |
#elif defined(TARGET_SPARC)
|
| 2325 |
void cpu_save(QEMUFile *f, void *opaque) |
| 2326 |
{
|
| 2327 |
CPUState *env = opaque; |
| 2328 |
int i;
|
| 2329 |
uint32_t tmp; |
| 2330 |
|
| 2331 |
for(i = 0; i < 8; i++) |
| 2332 |
qemu_put_betls(f, &env->gregs[i]); |
| 2333 |
for(i = 0; i < NWINDOWS * 16; i++) |
| 2334 |
qemu_put_betls(f, &env->regbase[i]); |
| 2335 |
|
| 2336 |
/* FPU */
|
| 2337 |
for(i = 0; i < TARGET_FPREGS; i++) { |
| 2338 |
union {
|
| 2339 |
TARGET_FPREG_T f; |
| 2340 |
target_ulong i; |
| 2341 |
} u; |
| 2342 |
u.f = env->fpr[i]; |
| 2343 |
qemu_put_betl(f, u.i); |
| 2344 |
} |
| 2345 |
|
| 2346 |
qemu_put_betls(f, &env->pc); |
| 2347 |
qemu_put_betls(f, &env->npc); |
| 2348 |
qemu_put_betls(f, &env->y); |
| 2349 |
tmp = GET_PSR(env); |
| 2350 |
qemu_put_be32(f, tmp); |
| 2351 |
qemu_put_be32s(f, &env->fsr); |
| 2352 |
qemu_put_be32s(f, &env->wim); |
| 2353 |
qemu_put_be32s(f, &env->tbr); |
| 2354 |
/* MMU */
|
| 2355 |
for(i = 0; i < 16; i++) |
| 2356 |
qemu_put_be32s(f, &env->mmuregs[i]); |
| 2357 |
} |
| 2358 |
|
| 2359 |
int cpu_load(QEMUFile *f, void *opaque, int version_id) |
| 2360 |
{
|
| 2361 |
CPUState *env = opaque; |
| 2362 |
int i;
|
| 2363 |
uint32_t tmp; |
| 2364 |
|
| 2365 |
for(i = 0; i < 8; i++) |
| 2366 |
qemu_get_betls(f, &env->gregs[i]); |
| 2367 |
for(i = 0; i < NWINDOWS * 16; i++) |
| 2368 |
qemu_get_betls(f, &env->regbase[i]); |
| 2369 |
|
| 2370 |
/* FPU */
|
| 2371 |
for(i = 0; i < TARGET_FPREGS; i++) { |
| 2372 |
union {
|
| 2373 |
TARGET_FPREG_T f; |
| 2374 |
target_ulong i; |
| 2375 |
} u; |
| 2376 |
u.i = qemu_get_betl(f); |
| 2377 |
env->fpr[i] = u.f; |
| 2378 |
} |
| 2379 |
|
| 2380 |
qemu_get_betls(f, &env->pc); |
| 2381 |
qemu_get_betls(f, &env->npc); |
| 2382 |
qemu_get_betls(f, &env->y); |
| 2383 |
tmp = qemu_get_be32(f); |
| 2384 |
env->cwp = 0; /* needed to ensure that the wrapping registers are |
| 2385 |
correctly updated */
|
| 2386 |
PUT_PSR(env, tmp); |
| 2387 |
qemu_get_be32s(f, &env->fsr); |
| 2388 |
qemu_get_be32s(f, &env->wim); |
| 2389 |
qemu_get_be32s(f, &env->tbr); |
| 2390 |
/* MMU */
|
| 2391 |
for(i = 0; i < 16; i++) |
| 2392 |
qemu_get_be32s(f, &env->mmuregs[i]); |
| 2393 |
|
| 2394 |
tlb_flush(env, 1);
|
| 2395 |
return 0; |
| 2396 |
} |
| 2397 |
#else
|
| 2398 |
|
| 2399 |
#warning No CPU save/restore functions
|
| 2400 |
|
| 2401 |
#endif
|
| 2402 |
|
| 2403 |
/***********************************************************/
|
| 2404 |
/* ram save/restore */
|
| 2405 |
|
| 2406 |
/* we just avoid storing empty pages */
|
| 2407 |
static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) |
| 2408 |
{
|
| 2409 |
int i, v;
|
| 2410 |
|
| 2411 |
v = buf[0];
|
| 2412 |
for(i = 1; i < len; i++) { |
| 2413 |
if (buf[i] != v)
|
| 2414 |
goto normal_save;
|
| 2415 |
} |
| 2416 |
qemu_put_byte(f, 1);
|
| 2417 |
qemu_put_byte(f, v); |
| 2418 |
return;
|
| 2419 |
normal_save:
|
| 2420 |
qemu_put_byte(f, 0);
|
| 2421 |
qemu_put_buffer(f, buf, len); |
| 2422 |
} |
| 2423 |
|
| 2424 |
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) |
| 2425 |
{
|
| 2426 |
int v;
|
| 2427 |
|
| 2428 |
v = qemu_get_byte(f); |
| 2429 |
switch(v) {
|
| 2430 |
case 0: |
| 2431 |
if (qemu_get_buffer(f, buf, len) != len)
|
| 2432 |
return -EIO;
|
| 2433 |
break;
|
| 2434 |
case 1: |
| 2435 |
v = qemu_get_byte(f); |
| 2436 |
memset(buf, v, len); |
| 2437 |
break;
|
| 2438 |
default:
|
| 2439 |
return -EINVAL;
|
| 2440 |
} |
| 2441 |
return 0; |
| 2442 |
} |
| 2443 |
|
| 2444 |
static void ram_save(QEMUFile *f, void *opaque) |
| 2445 |
{
|
| 2446 |
int i;
|
| 2447 |
qemu_put_be32(f, phys_ram_size); |
| 2448 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
| 2449 |
ram_put_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
| 2450 |
} |
| 2451 |
} |
| 2452 |
|
| 2453 |
static int ram_load(QEMUFile *f, void *opaque, int version_id) |
| 2454 |
{
|
| 2455 |
int i, ret;
|
| 2456 |
|
| 2457 |
if (version_id != 1) |
| 2458 |
return -EINVAL;
|
| 2459 |
if (qemu_get_be32(f) != phys_ram_size)
|
| 2460 |
return -EINVAL;
|
| 2461 |
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { |
| 2462 |
ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); |
| 2463 |
if (ret)
|
| 2464 |
return ret;
|
| 2465 |
} |
| 2466 |
return 0; |
| 2467 |
} |
| 2468 |
|
| 2469 |
/***********************************************************/
|
| 2470 |
/* main execution loop */
|
| 2471 |
|
| 2472 |
void gui_update(void *opaque) |
| 2473 |
{
|
| 2474 |
display_state.dpy_refresh(&display_state); |
| 2475 |
qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock)); |
| 2476 |
} |
| 2477 |
|
| 2478 |
/* XXX: support several handlers */
|
| 2479 |
VMStopHandler *vm_stop_cb; |
| 2480 |
VMStopHandler *vm_stop_opaque; |
| 2481 |
|
| 2482 |
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) |
| 2483 |
{
|
| 2484 |
vm_stop_cb = cb; |
| 2485 |
vm_stop_opaque = opaque; |
| 2486 |
return 0; |
| 2487 |
} |
| 2488 |
|
| 2489 |
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) |
| 2490 |
{
|
| 2491 |
vm_stop_cb = NULL;
|
| 2492 |
} |
| 2493 |
|
| 2494 |
void vm_start(void) |
| 2495 |
{
|
| 2496 |
if (!vm_running) {
|
| 2497 |
cpu_enable_ticks(); |
| 2498 |
vm_running = 1;
|
| 2499 |
} |
| 2500 |
} |
| 2501 |
|
| 2502 |
void vm_stop(int reason) |
| 2503 |
{
|
| 2504 |
if (vm_running) {
|
| 2505 |
cpu_disable_ticks(); |
| 2506 |
vm_running = 0;
|
| 2507 |
if (reason != 0) { |
| 2508 |
if (vm_stop_cb) {
|
| 2509 |
vm_stop_cb(vm_stop_opaque, reason); |
| 2510 |
} |
| 2511 |
} |
| 2512 |
} |
| 2513 |
} |
| 2514 |
|
| 2515 |
/* reset/shutdown handler */
|
| 2516 |
|
| 2517 |
typedef struct QEMUResetEntry { |
| 2518 |
QEMUResetHandler *func; |
| 2519 |
void *opaque;
|
| 2520 |
struct QEMUResetEntry *next;
|
| 2521 |
} QEMUResetEntry; |
| 2522 |
|
| 2523 |
static QEMUResetEntry *first_reset_entry;
|
| 2524 |
static int reset_requested; |
| 2525 |
static int shutdown_requested; |
| 2526 |
|
| 2527 |
void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
| 2528 |
{
|
| 2529 |
QEMUResetEntry **pre, *re; |
| 2530 |
|
| 2531 |
pre = &first_reset_entry; |
| 2532 |
while (*pre != NULL) |
| 2533 |
pre = &(*pre)->next; |
| 2534 |
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
| 2535 |
re->func = func; |
| 2536 |
re->opaque = opaque; |
| 2537 |
re->next = NULL;
|
| 2538 |
*pre = re; |
| 2539 |
} |
| 2540 |
|
| 2541 |
void qemu_system_reset(void) |
| 2542 |
{
|
| 2543 |
QEMUResetEntry *re; |
| 2544 |
|
| 2545 |
/* reset all devices */
|
| 2546 |
for(re = first_reset_entry; re != NULL; re = re->next) { |
| 2547 |
re->func(re->opaque); |
| 2548 |
} |
| 2549 |
} |
| 2550 |
|
| 2551 |
void qemu_system_reset_request(void) |
| 2552 |
{
|
| 2553 |
reset_requested = 1;
|
| 2554 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 2555 |
} |
| 2556 |
|
| 2557 |
void qemu_system_shutdown_request(void) |
| 2558 |
{
|
| 2559 |
shutdown_requested = 1;
|
| 2560 |
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); |
| 2561 |
} |
| 2562 |
|
| 2563 |
static void main_cpu_reset(void *opaque) |
| 2564 |
{
|
| 2565 |
#if defined(TARGET_I386) || defined(TARGET_SPARC)
|
| 2566 |
CPUState *env = opaque; |
| 2567 |
cpu_reset(env); |
| 2568 |
#endif
|
| 2569 |
} |
| 2570 |
|
| 2571 |
void main_loop_wait(int timeout) |
| 2572 |
{
|
| 2573 |
#ifndef _WIN32
|
| 2574 |
struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; |
| 2575 |
IOHandlerRecord *ioh, *ioh_next; |
| 2576 |
uint8_t buf[4096];
|
| 2577 |
int n, max_size;
|
| 2578 |
#endif
|
| 2579 |
int ret;
|
| 2580 |
|
| 2581 |
#ifdef _WIN32
|
| 2582 |
if (timeout > 0) |
| 2583 |
Sleep(timeout); |
| 2584 |
#else
|
| 2585 |
/* poll any events */
|
| 2586 |
/* XXX: separate device handlers from system ones */
|
| 2587 |
pf = ufds; |
| 2588 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { |
| 2589 |
if (!ioh->fd_can_read) {
|
| 2590 |
max_size = 0;
|
| 2591 |
pf->fd = ioh->fd; |
| 2592 |
pf->events = POLLIN; |
| 2593 |
ioh->ufd = pf; |
| 2594 |
pf++; |
| 2595 |
} else {
|
| 2596 |
max_size = ioh->fd_can_read(ioh->opaque); |
| 2597 |
if (max_size > 0) { |
| 2598 |
if (max_size > sizeof(buf)) |
| 2599 |
max_size = sizeof(buf);
|
| 2600 |
pf->fd = ioh->fd; |
| 2601 |
pf->events = POLLIN; |
| 2602 |
ioh->ufd = pf; |
| 2603 |
pf++; |
| 2604 |
} else {
|
| 2605 |
ioh->ufd = NULL;
|
| 2606 |
} |
| 2607 |
} |
| 2608 |
ioh->max_size = max_size; |
| 2609 |
} |
| 2610 |
|
| 2611 |
ret = poll(ufds, pf - ufds, timeout); |
| 2612 |
if (ret > 0) { |
| 2613 |
/* XXX: better handling of removal */
|
| 2614 |
for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) { |
| 2615 |
ioh_next = ioh->next; |
| 2616 |
pf = ioh->ufd; |
| 2617 |
if (pf) {
|
| 2618 |
if (pf->revents & POLLIN) {
|
| 2619 |
if (ioh->max_size == 0) { |
| 2620 |
/* just a read event */
|
| 2621 |
ioh->fd_read(ioh->opaque, NULL, 0); |
| 2622 |
} else {
|
| 2623 |
n = read(ioh->fd, buf, ioh->max_size); |
| 2624 |
if (n >= 0) { |
| 2625 |
ioh->fd_read(ioh->opaque, buf, n); |
| 2626 |
} else if (errno != EAGAIN) { |
| 2627 |
ioh->fd_read(ioh->opaque, NULL, -errno);
|
| 2628 |
} |
| 2629 |
} |
| 2630 |
} |
| 2631 |
} |
| 2632 |
} |
| 2633 |
} |
| 2634 |
#endif /* !defined(_WIN32) */ |
| 2635 |
#if defined(CONFIG_SLIRP)
|
| 2636 |
/* XXX: merge with poll() */
|
| 2637 |
if (slirp_inited) {
|
| 2638 |
fd_set rfds, wfds, xfds; |
| 2639 |
int nfds;
|
| 2640 |
struct timeval tv;
|
| 2641 |
|
| 2642 |
nfds = -1;
|
| 2643 |
FD_ZERO(&rfds); |
| 2644 |
FD_ZERO(&wfds); |
| 2645 |
FD_ZERO(&xfds); |
| 2646 |
slirp_select_fill(&nfds, &rfds, &wfds, &xfds); |
| 2647 |
tv.tv_sec = 0;
|
| 2648 |
tv.tv_usec = 0;
|
| 2649 |
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
| 2650 |
if (ret >= 0) { |
| 2651 |
slirp_select_poll(&rfds, &wfds, &xfds); |
| 2652 |
} |
| 2653 |
} |
| 2654 |
#endif
|
| 2655 |
|
| 2656 |
if (vm_running) {
|
| 2657 |
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], |
| 2658 |
qemu_get_clock(vm_clock)); |
| 2659 |
/* run dma transfers, if any */
|
| 2660 |
DMA_run(); |
| 2661 |
} |
| 2662 |
|
| 2663 |
/* real time timers */
|
| 2664 |
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], |
| 2665 |
qemu_get_clock(rt_clock)); |
| 2666 |
} |
| 2667 |
|
| 2668 |
int main_loop(void) |
| 2669 |
{
|
| 2670 |
int ret, timeout;
|
| 2671 |
CPUState *env = global_env; |
| 2672 |
|
| 2673 |
for(;;) {
|
| 2674 |
if (vm_running) {
|
| 2675 |
ret = cpu_exec(env); |
| 2676 |
if (shutdown_requested) {
|
| 2677 |
ret = EXCP_INTERRUPT; |
| 2678 |
break;
|
| 2679 |
} |
| 2680 |
if (reset_requested) {
|
| 2681 |
reset_requested = 0;
|
| 2682 |
qemu_system_reset(); |
| 2683 |
ret = EXCP_INTERRUPT; |
| 2684 |
} |
| 2685 |
if (ret == EXCP_DEBUG) {
|
| 2686 |
vm_stop(EXCP_DEBUG); |
| 2687 |
} |
| 2688 |
/* if hlt instruction, we wait until the next IRQ */
|
| 2689 |
/* XXX: use timeout computed from timers */
|
| 2690 |
if (ret == EXCP_HLT)
|
| 2691 |
timeout = 10;
|
| 2692 |
else
|
| 2693 |
timeout = 0;
|
| 2694 |
} else {
|
| 2695 |
timeout = 10;
|
| 2696 |
} |
| 2697 |
main_loop_wait(timeout); |
| 2698 |
} |
| 2699 |
cpu_disable_ticks(); |
| 2700 |
return ret;
|
| 2701 |
} |
| 2702 |
|
| 2703 |
void help(void) |
| 2704 |
{
|
| 2705 |
printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2004 Fabrice Bellard\n" |
| 2706 |
"usage: %s [options] [disk_image]\n"
|
| 2707 |
"\n"
|
| 2708 |
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
| 2709 |
"\n"
|
| 2710 |
"Standard options:\n"
|
| 2711 |
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
| 2712 |
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
| 2713 |
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
| 2714 |
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
| 2715 |
"-boot [a|c|d] boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
|
| 2716 |
"-snapshot write to temporary files instead of disk image files\n"
|
| 2717 |
"-m megs set virtual RAM size to megs MB [default=%d]\n"
|
| 2718 |
"-nographic disable graphical output and redirect serial I/Os to console\n"
|
| 2719 |
#ifndef _WIN32
|
| 2720 |
"-k language use keyboard layout (for example \"fr\" for French)\n"
|
| 2721 |
#endif
|
| 2722 |
"-enable-audio enable audio support\n"
|
| 2723 |
"-localtime set the real time clock to local time [default=utc]\n"
|
| 2724 |
"-full-screen start in full screen\n"
|
| 2725 |
#ifdef TARGET_PPC
|
| 2726 |
"-prep Simulate a PREP system (default is PowerMAC)\n"
|
| 2727 |
"-g WxH[xDEPTH] Set the initial VGA graphic mode\n"
|
| 2728 |
#endif
|
| 2729 |
"\n"
|
| 2730 |
"Network options:\n"
|
| 2731 |
"-nics n simulate 'n' network cards [default=1]\n"
|
| 2732 |
"-macaddr addr set the mac address of the first interface\n"
|
| 2733 |
"-n script set tap/tun network init script [default=%s]\n"
|
| 2734 |
"-tun-fd fd use this fd as already opened tap/tun interface\n"
|
| 2735 |
#ifdef CONFIG_SLIRP
|
| 2736 |
"-user-net use user mode network stack [default if no tap/tun script]\n"
|
| 2737 |
"-tftp prefix allow tftp access to files starting with prefix [-user-net]\n"
|
| 2738 |
#ifndef _WIN32
|
| 2739 |
"-smb dir allow SMB access to files in 'dir' [-user-net]\n"
|
| 2740 |
#endif
|
| 2741 |
"-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
|
| 2742 |
" redirect TCP or UDP connections from host to guest [-user-net]\n"
|
| 2743 |
#endif
|
| 2744 |
"-dummy-net use dummy network stack\n"
|
| 2745 |
"\n"
|
| 2746 |
"Linux boot specific:\n"
|
| 2747 |
"-kernel bzImage use 'bzImage' as kernel image\n"
|
| 2748 |
"-append cmdline use 'cmdline' as kernel command line\n"
|
| 2749 |
"-initrd file use 'file' as initial ram disk\n"
|
| 2750 |
"\n"
|
| 2751 |
"Debug/Expert options:\n"
|
| 2752 |
"-monitor dev redirect the monitor to char device 'dev'\n"
|
| 2753 |
"-serial dev redirect the serial port to char device 'dev'\n"
|
| 2754 |
"-parallel dev redirect the parallel port to char device 'dev'\n"
|
| 2755 |
"-pidfile file Write PID to 'file'\n"
|
| 2756 |
"-S freeze CPU at startup (use 'c' to start execution)\n"
|
| 2757 |
"-s wait gdb connection to port %d\n"
|
| 2758 |
"-p port change gdb connection port\n"
|
| 2759 |
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
| 2760 |
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
|
| 2761 |
" translation (t=none or lba) (usually qemu can guess them)\n"
|
| 2762 |
"-L path set the directory for the BIOS and VGA BIOS\n"
|
| 2763 |
#ifdef USE_CODE_COPY
|
| 2764 |
"-no-code-copy disable code copy acceleration\n"
|
| 2765 |
#endif
|
| 2766 |
#ifdef TARGET_I386
|
| 2767 |
"-isa simulate an ISA-only system (default is PCI system)\n"
|
| 2768 |
"-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
|
| 2769 |
" (default is CL-GD5446 PCI VGA)\n"
|
| 2770 |
#endif
|
| 2771 |
"-loadvm file start right away with a saved state (loadvm in monitor)\n"
|
| 2772 |
"\n"
|
| 2773 |
"During emulation, the following keys are useful:\n"
|
| 2774 |
"ctrl-alt-f toggle full screen\n"
|
| 2775 |
"ctrl-alt-n switch to virtual console 'n'\n"
|
| 2776 |
"ctrl-alt toggle mouse and keyboard grab\n"
|
| 2777 |
"\n"
|
| 2778 |
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
| 2779 |
, |
| 2780 |
#ifdef CONFIG_SOFTMMU
|
| 2781 |
"qemu",
|
| 2782 |
#else
|
| 2783 |
"qemu-fast",
|
| 2784 |
#endif
|
| 2785 |
DEFAULT_RAM_SIZE, |
| 2786 |
DEFAULT_NETWORK_SCRIPT, |
| 2787 |
DEFAULT_GDBSTUB_PORT, |
| 2788 |
"/tmp/qemu.log");
|
| 2789 |
#ifndef CONFIG_SOFTMMU
|
| 2790 |
printf("\n"
|
| 2791 |
"NOTE: this version of QEMU is faster but it needs slightly patched OSes to\n"
|
| 2792 |
"work. Please use the 'qemu' executable to have a more accurate (but slower)\n"
|
| 2793 |
"PC emulation.\n");
|
| 2794 |
#endif
|
| 2795 |
exit(1);
|
| 2796 |
} |
| 2797 |
|
| 2798 |
#define HAS_ARG 0x0001 |
| 2799 |
|
| 2800 |
enum {
|
| 2801 |
QEMU_OPTION_h, |
| 2802 |
|
| 2803 |
QEMU_OPTION_fda, |
| 2804 |
QEMU_OPTION_fdb, |
| 2805 |
QEMU_OPTION_hda, |
| 2806 |
QEMU_OPTION_hdb, |
| 2807 |
QEMU_OPTION_hdc, |
| 2808 |
QEMU_OPTION_hdd, |
| 2809 |
QEMU_OPTION_cdrom, |
| 2810 |
QEMU_OPTION_boot, |
| 2811 |
QEMU_OPTION_snapshot, |
| 2812 |
QEMU_OPTION_m, |
| 2813 |
QEMU_OPTION_nographic, |
| 2814 |
QEMU_OPTION_enable_audio, |
| 2815 |
|
| 2816 |
QEMU_OPTION_nics, |
| 2817 |
QEMU_OPTION_macaddr, |
| 2818 |
QEMU_OPTION_n, |
| 2819 |
QEMU_OPTION_tun_fd, |
| 2820 |
QEMU_OPTION_user_net, |
| 2821 |
QEMU_OPTION_tftp, |
| 2822 |
QEMU_OPTION_smb, |
| 2823 |
QEMU_OPTION_redir, |
| 2824 |
QEMU_OPTION_dummy_net, |
| 2825 |
|
| 2826 |
QEMU_OPTION_kernel, |
| 2827 |
QEMU_OPTION_append, |
| 2828 |
QEMU_OPTION_initrd, |
| 2829 |
|
| 2830 |
QEMU_OPTION_S, |
| 2831 |
QEMU_OPTION_s, |
| 2832 |
QEMU_OPTION_p, |
| 2833 |
QEMU_OPTION_d, |
| 2834 |
QEMU_OPTION_hdachs, |
| 2835 |
QEMU_OPTION_L, |
| 2836 |
QEMU_OPTION_no_code_copy, |
| 2837 |
QEMU_OPTION_pci, |
| 2838 |
QEMU_OPTION_isa, |
| 2839 |
QEMU_OPTION_prep, |
| 2840 |
QEMU_OPTION_k, |
| 2841 |
QEMU_OPTION_localtime, |
| 2842 |
QEMU_OPTION_cirrusvga, |
| 2843 |
QEMU_OPTION_g, |
| 2844 |
QEMU_OPTION_std_vga, |
| 2845 |
QEMU_OPTION_monitor, |
| 2846 |
QEMU_OPTION_serial, |
| 2847 |
QEMU_OPTION_parallel, |
| 2848 |
QEMU_OPTION_loadvm, |
| 2849 |
QEMU_OPTION_full_screen, |
| 2850 |
QEMU_OPTION_pidfile, |
| 2851 |
}; |
| 2852 |
|
| 2853 |
typedef struct QEMUOption { |
| 2854 |
const char *name; |
| 2855 |
int flags;
|
| 2856 |
int index;
|
| 2857 |
} QEMUOption; |
| 2858 |
|
| 2859 |
const QEMUOption qemu_options[] = {
|
| 2860 |
{ "h", 0, QEMU_OPTION_h },
|
| 2861 |
|
| 2862 |
{ "fda", HAS_ARG, QEMU_OPTION_fda },
|
| 2863 |
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
|
| 2864 |
{ "hda", HAS_ARG, QEMU_OPTION_hda },
|
| 2865 |
{ "hdb", HAS_ARG, QEMU_OPTION_hdb },
|
| 2866 |
{ "hdc", HAS_ARG, QEMU_OPTION_hdc },
|
| 2867 |
{ "hdd", HAS_ARG, QEMU_OPTION_hdd },
|
| 2868 |
{ "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
|
| 2869 |
{ "boot", HAS_ARG, QEMU_OPTION_boot },
|
| 2870 |
{ "snapshot", 0, QEMU_OPTION_snapshot },
|
| 2871 |
{ "m", HAS_ARG, QEMU_OPTION_m },
|
| 2872 |
{ "nographic", 0, QEMU_OPTION_nographic },
|
| 2873 |
{ "k", HAS_ARG, QEMU_OPTION_k },
|
| 2874 |
{ "enable-audio", 0, QEMU_OPTION_enable_audio },
|
| 2875 |
|
| 2876 |
{ "nics", HAS_ARG, QEMU_OPTION_nics},
|
| 2877 |
{ "macaddr", HAS_ARG, QEMU_OPTION_macaddr},
|
| 2878 |
{ "n", HAS_ARG, QEMU_OPTION_n },
|
| 2879 |
{ "tun-fd", HAS_ARG, QEMU_OPTION_tun_fd },
|
| 2880 |
#ifdef CONFIG_SLIRP
|
| 2881 |
{ "user-net", 0, QEMU_OPTION_user_net },
|
| 2882 |
{ "tftp", HAS_ARG, QEMU_OPTION_tftp },
|
| 2883 |
#ifndef _WIN32
|
| 2884 |
{ "smb", HAS_ARG, QEMU_OPTION_smb },
|
| 2885 |
#endif
|
| 2886 |
{ "redir", HAS_ARG, QEMU_OPTION_redir },
|
| 2887 |
#endif
|
| 2888 |
{ "dummy-net", 0, QEMU_OPTION_dummy_net },
|
| 2889 |
|
| 2890 |
{ "kernel", HAS_ARG, QEMU_OPTION_kernel },
|
| 2891 |
{ "append", HAS_ARG, QEMU_OPTION_append },
|
| 2892 |
{ "initrd", HAS_ARG, QEMU_OPTION_initrd },
|
| 2893 |
|
| 2894 |
{ "S", 0, QEMU_OPTION_S },
|
| 2895 |
{ "s", 0, QEMU_OPTION_s },
|
| 2896 |
{ "p", HAS_ARG, QEMU_OPTION_p },
|
| 2897 |
{ "d", HAS_ARG, QEMU_OPTION_d },
|
| 2898 |
{ "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
|
| 2899 |
{ "L", HAS_ARG, QEMU_OPTION_L },
|
| 2900 |
{ "no-code-copy", 0, QEMU_OPTION_no_code_copy },
|
| 2901 |
#ifdef TARGET_PPC
|
| 2902 |
{ "prep", 0, QEMU_OPTION_prep },
|
| 2903 |
{ "g", 1, QEMU_OPTION_g },
|
| 2904 |
#endif
|
| 2905 |
{ "localtime", 0, QEMU_OPTION_localtime },
|
| 2906 |
{ "isa", 0, QEMU_OPTION_isa },
|
| 2907 |
{ "std-vga", 0, QEMU_OPTION_std_vga },
|
| 2908 |
{ "monitor", 1, QEMU_OPTION_monitor },
|
| 2909 |
{ "serial", 1, QEMU_OPTION_serial },
|
| 2910 |
{ "parallel", 1, QEMU_OPTION_parallel },
|
| 2911 |
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
|
| 2912 |
{ "full-screen", 0, QEMU_OPTION_full_screen },
|
| 2913 |
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
|
| 2914 |
|
| 2915 |
/* temporary options */
|
| 2916 |
{ "pci", 0, QEMU_OPTION_pci },
|
| 2917 |
{ "cirrusvga", 0, QEMU_OPTION_cirrusvga },
|
| 2918 |
{ NULL },
|
| 2919 |
}; |
| 2920 |
|
| 2921 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
| 2922 |
|
| 2923 |
/* this stack is only used during signal handling */
|
| 2924 |
#define SIGNAL_STACK_SIZE 32768 |
| 2925 |
|
| 2926 |
static uint8_t *signal_stack;
|
| 2927 |
|
| 2928 |
#endif
|
| 2929 |
|
| 2930 |
/* password input */
|
| 2931 |
|
| 2932 |
static BlockDriverState *get_bdrv(int index) |
| 2933 |
{
|
| 2934 |
BlockDriverState *bs; |
| 2935 |
|
| 2936 |
if (index < 4) { |
| 2937 |
bs = bs_table[index]; |
| 2938 |
} else if (index < 6) { |
| 2939 |
bs = fd_table[index - 4];
|
| 2940 |
} else {
|
| 2941 |
bs = NULL;
|
| 2942 |
} |
| 2943 |
return bs;
|
| 2944 |
} |
| 2945 |
|
| 2946 |
static void read_passwords(void) |
| 2947 |
{
|
| 2948 |
BlockDriverState *bs; |
| 2949 |
int i, j;
|
| 2950 |
char password[256]; |
| 2951 |
|
| 2952 |
for(i = 0; i < 6; i++) { |
| 2953 |
bs = get_bdrv(i); |
| 2954 |
if (bs && bdrv_is_encrypted(bs)) {
|
| 2955 |
term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
|
| 2956 |
for(j = 0; j < 3; j++) { |
| 2957 |
monitor_readline("Password: ",
|
| 2958 |
1, password, sizeof(password)); |
| 2959 |
if (bdrv_set_key(bs, password) == 0) |
| 2960 |
break;
|
| 2961 |
term_printf("invalid password\n");
|
| 2962 |
} |
| 2963 |
} |
| 2964 |
} |
| 2965 |
} |
| 2966 |
|
| 2967 |
#define NET_IF_TUN 0 |
| 2968 |
#define NET_IF_USER 1 |
| 2969 |
#define NET_IF_DUMMY 2 |
| 2970 |
|
| 2971 |
int main(int argc, char **argv) |
| 2972 |
{
|
| 2973 |
#ifdef CONFIG_GDBSTUB
|
| 2974 |
int use_gdbstub, gdbstub_port;
|
| 2975 |
#endif
|
| 2976 |
int i, has_cdrom;
|
| 2977 |
int snapshot, linux_boot;
|
| 2978 |
CPUState *env; |
| 2979 |
const char *initrd_filename; |
| 2980 |
const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD]; |
| 2981 |
const char *kernel_filename, *kernel_cmdline; |
| 2982 |
DisplayState *ds = &display_state; |
| 2983 |
int cyls, heads, secs, translation;
|
| 2984 |
int start_emulation = 1; |
| 2985 |
uint8_t macaddr[6];
|
| 2986 |
int net_if_type, nb_tun_fds, tun_fds[MAX_NICS];
|
| 2987 |
int optind;
|
| 2988 |
const char *r, *optarg; |
| 2989 |
CharDriverState *monitor_hd; |
| 2990 |
char monitor_device[128]; |
| 2991 |
char serial_devices[MAX_SERIAL_PORTS][128]; |
| 2992 |
int serial_device_index;
|
| 2993 |
char parallel_devices[MAX_PARALLEL_PORTS][128]; |
| 2994 |
int parallel_device_index;
|
| 2995 |
const char *loadvm = NULL; |
| 2996 |
|
| 2997 |
#if !defined(CONFIG_SOFTMMU)
|
| 2998 |
/* we never want that malloc() uses mmap() */
|
| 2999 |
mallopt(M_MMAP_THRESHOLD, 4096 * 1024); |
| 3000 |
#endif
|
| 3001 |
initrd_filename = NULL;
|
| 3002 |
for(i = 0; i < MAX_FD; i++) |
| 3003 |
fd_filename[i] = NULL;
|
| 3004 |
for(i = 0; i < MAX_DISKS; i++) |
| 3005 |
hd_filename[i] = NULL;
|
| 3006 |
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; |
| 3007 |
vga_ram_size = VGA_RAM_SIZE; |
| 3008 |
bios_size = BIOS_SIZE; |
| 3009 |
pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT);
|
| 3010 |
#ifdef CONFIG_GDBSTUB
|
| 3011 |
use_gdbstub = 0;
|
| 3012 |
gdbstub_port = DEFAULT_GDBSTUB_PORT; |
| 3013 |
#endif
|
| 3014 |
snapshot = 0;
|
| 3015 |
nographic = 0;
|
| 3016 |
kernel_filename = NULL;
|
| 3017 |
kernel_cmdline = "";
|
| 3018 |
has_cdrom = 1;
|
| 3019 |
cyls = heads = secs = 0;
|
| 3020 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
| 3021 |
pstrcpy(monitor_device, sizeof(monitor_device), "vc"); |
| 3022 |
|
| 3023 |
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc"); |
| 3024 |
for(i = 1; i < MAX_SERIAL_PORTS; i++) |
| 3025 |
serial_devices[i][0] = '\0'; |
| 3026 |
serial_device_index = 0;
|
| 3027 |
|
| 3028 |
pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc"); |
| 3029 |
for(i = 1; i < MAX_PARALLEL_PORTS; i++) |
| 3030 |
parallel_devices[i][0] = '\0'; |
| 3031 |
parallel_device_index = 0;
|
| 3032 |
|
| 3033 |
nb_tun_fds = 0;
|
| 3034 |
net_if_type = -1;
|
| 3035 |
nb_nics = 1;
|
| 3036 |
/* default mac address of the first network interface */
|
| 3037 |
macaddr[0] = 0x52; |
| 3038 |
macaddr[1] = 0x54; |
| 3039 |
macaddr[2] = 0x00; |
| 3040 |
macaddr[3] = 0x12; |
| 3041 |
macaddr[4] = 0x34; |
| 3042 |
macaddr[5] = 0x56; |
| 3043 |
|
| 3044 |
optind = 1;
|
| 3045 |
for(;;) {
|
| 3046 |
if (optind >= argc)
|
| 3047 |
break;
|
| 3048 |
r = argv[optind]; |
| 3049 |
if (r[0] != '-') { |
| 3050 |
hd_filename[0] = argv[optind++];
|
| 3051 |
} else {
|
| 3052 |
const QEMUOption *popt;
|
| 3053 |
|
| 3054 |
optind++; |
| 3055 |
popt = qemu_options; |
| 3056 |
for(;;) {
|
| 3057 |
if (!popt->name) {
|
| 3058 |
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
| 3059 |
argv[0], r);
|
| 3060 |
exit(1);
|
| 3061 |
} |
| 3062 |
if (!strcmp(popt->name, r + 1)) |
| 3063 |
break;
|
| 3064 |
popt++; |
| 3065 |
} |
| 3066 |
if (popt->flags & HAS_ARG) {
|
| 3067 |
if (optind >= argc) {
|
| 3068 |
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
| 3069 |
argv[0], r);
|
| 3070 |
exit(1);
|
| 3071 |
} |
| 3072 |
optarg = argv[optind++]; |
| 3073 |
} else {
|
| 3074 |
optarg = NULL;
|
| 3075 |
} |
| 3076 |
|
| 3077 |
switch(popt->index) {
|
| 3078 |
case QEMU_OPTION_initrd:
|
| 3079 |
initrd_filename = optarg; |
| 3080 |
break;
|
| 3081 |
case QEMU_OPTION_hda:
|
| 3082 |
hd_filename[0] = optarg;
|
| 3083 |
break;
|
| 3084 |
case QEMU_OPTION_hdb:
|
| 3085 |
hd_filename[1] = optarg;
|
| 3086 |
break;
|
| 3087 |
case QEMU_OPTION_snapshot:
|
| 3088 |
snapshot = 1;
|
| 3089 |
break;
|
| 3090 |
case QEMU_OPTION_hdachs:
|
| 3091 |
{
|
| 3092 |
const char *p; |
| 3093 |
p = optarg; |
| 3094 |
cyls = strtol(p, (char **)&p, 0); |
| 3095 |
if (cyls < 1 || cyls > 16383) |
| 3096 |
goto chs_fail;
|
| 3097 |
if (*p != ',') |
| 3098 |
goto chs_fail;
|
| 3099 |
p++; |
| 3100 |
heads = strtol(p, (char **)&p, 0); |
| 3101 |
if (heads < 1 || heads > 16) |
| 3102 |
goto chs_fail;
|
| 3103 |
if (*p != ',') |
| 3104 |
goto chs_fail;
|
| 3105 |
p++; |
| 3106 |
secs = strtol(p, (char **)&p, 0); |
| 3107 |
if (secs < 1 || secs > 63) |
| 3108 |
goto chs_fail;
|
| 3109 |
if (*p == ',') { |
| 3110 |
p++; |
| 3111 |
if (!strcmp(p, "none")) |
| 3112 |
translation = BIOS_ATA_TRANSLATION_NONE; |
| 3113 |
else if (!strcmp(p, "lba")) |
| 3114 |
translation = BIOS_ATA_TRANSLATION_LBA; |
| 3115 |
else if (!strcmp(p, "auto")) |
| 3116 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
| 3117 |
else
|
| 3118 |
goto chs_fail;
|
| 3119 |
} else if (*p != '\0') { |
| 3120 |
chs_fail:
|
| 3121 |
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
| 3122 |
exit(1);
|
| 3123 |
} |
| 3124 |
} |
| 3125 |
break;
|
| 3126 |
case QEMU_OPTION_nographic:
|
| 3127 |
pstrcpy(monitor_device, sizeof(monitor_device), "stdio"); |
| 3128 |
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio"); |
| 3129 |
nographic = 1;
|
| 3130 |
break;
|
| 3131 |
case QEMU_OPTION_kernel:
|
| 3132 |
kernel_filename = optarg; |
| 3133 |
break;
|
| 3134 |
case QEMU_OPTION_append:
|
| 3135 |
kernel_cmdline = optarg; |
| 3136 |
break;
|
| 3137 |
case QEMU_OPTION_tun_fd:
|
| 3138 |
{
|
| 3139 |
const char *p; |
| 3140 |
int fd;
|
| 3141 |
net_if_type = NET_IF_TUN; |
| 3142 |
if (nb_tun_fds < MAX_NICS) {
|
| 3143 |
fd = strtol(optarg, (char **)&p, 0); |
| 3144 |
if (*p != '\0') { |
| 3145 |
fprintf(stderr, "qemu: invalid fd for network interface %d\n", nb_tun_fds);
|
| 3146 |
exit(1);
|
| 3147 |
} |
| 3148 |
tun_fds[nb_tun_fds++] = fd; |
| 3149 |
} |
| 3150 |
} |
| 3151 |
break;
|
| 3152 |
case QEMU_OPTION_hdc:
|
| 3153 |
hd_filename[2] = optarg;
|
| 3154 |
has_cdrom = 0;
|
| 3155 |
break;
|
| 3156 |
case QEMU_OPTION_hdd:
|
| 3157 |
hd_filename[3] = optarg;
|
| 3158 |
break;
|
| 3159 |
case QEMU_OPTION_cdrom:
|
| 3160 |
hd_filename[2] = optarg;
|
| 3161 |
has_cdrom = 1;
|
| 3162 |
break;
|
| 3163 |
case QEMU_OPTION_boot:
|
| 3164 |
boot_device = optarg[0];
|
| 3165 |
if (boot_device != 'a' && |
| 3166 |
boot_device != 'c' && boot_device != 'd') { |
| 3167 |
fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
|
| 3168 |
exit(1);
|
| 3169 |
} |
| 3170 |
break;
|
| 3171 |
case QEMU_OPTION_fda:
|
| 3172 |
fd_filename[0] = optarg;
|
| 3173 |
break;
|
| 3174 |
case QEMU_OPTION_fdb:
|
| 3175 |
fd_filename[1] = optarg;
|
| 3176 |
break;
|
| 3177 |
case QEMU_OPTION_no_code_copy:
|
| 3178 |
code_copy_enabled = 0;
|
| 3179 |
break;
|
| 3180 |
case QEMU_OPTION_nics:
|
| 3181 |
nb_nics = atoi(optarg); |
| 3182 |
if (nb_nics < 0 || nb_nics > MAX_NICS) { |
| 3183 |
fprintf(stderr, "qemu: invalid number of network interfaces\n");
|
| 3184 |
exit(1);
|
| 3185 |
} |
| 3186 |
break;
|
| 3187 |
case QEMU_OPTION_macaddr:
|
| 3188 |
{
|
| 3189 |
const char *p; |
| 3190 |
int i;
|
| 3191 |
p = optarg; |
| 3192 |
for(i = 0; i < 6; i++) { |
| 3193 |
macaddr[i] = strtol(p, (char **)&p, 16); |
| 3194 |
if (i == 5) { |
| 3195 |
if (*p != '\0') |
| 3196 |
goto macaddr_error;
|
| 3197 |
} else {
|
| 3198 |
if (*p != ':') { |
| 3199 |
macaddr_error:
|
| 3200 |
fprintf(stderr, "qemu: invalid syntax for ethernet address\n");
|
| 3201 |
exit(1);
|
| 3202 |
} |
| 3203 |
p++; |
| 3204 |
} |
| 3205 |
} |
| 3206 |
} |
| 3207 |
break;
|
| 3208 |
#ifdef CONFIG_SLIRP
|
| 3209 |
case QEMU_OPTION_tftp:
|
| 3210 |
tftp_prefix = optarg; |
| 3211 |
break;
|
| 3212 |
#ifndef _WIN32
|
| 3213 |
case QEMU_OPTION_smb:
|
| 3214 |
net_slirp_smb(optarg); |
| 3215 |
break;
|
| 3216 |
#endif
|
| 3217 |
case QEMU_OPTION_user_net:
|
| 3218 |
net_if_type = NET_IF_USER; |
| 3219 |
break;
|
| 3220 |
case QEMU_OPTION_redir:
|
| 3221 |
net_slirp_redir(optarg); |
| 3222 |
break;
|
| 3223 |
#endif
|
| 3224 |
case QEMU_OPTION_dummy_net:
|
| 3225 |
net_if_type = NET_IF_DUMMY; |
| 3226 |
break;
|
| 3227 |
case QEMU_OPTION_enable_audio:
|
| 3228 |
audio_enabled = 1;
|
| 3229 |
break;
|
| 3230 |
case QEMU_OPTION_h:
|
| 3231 |
help(); |
| 3232 |
break;
|
| 3233 |
case QEMU_OPTION_m:
|
| 3234 |
ram_size = atoi(optarg) * 1024 * 1024; |
| 3235 |
if (ram_size <= 0) |
| 3236 |
help(); |
| 3237 |
if (ram_size > PHYS_RAM_MAX_SIZE) {
|
| 3238 |
fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
|
| 3239 |
PHYS_RAM_MAX_SIZE / (1024 * 1024)); |
| 3240 |
exit(1);
|
| 3241 |
} |
| 3242 |
break;
|
| 3243 |
case QEMU_OPTION_d:
|
| 3244 |
{
|
| 3245 |
int mask;
|
| 3246 |
CPULogItem *item; |
| 3247 |
|
| 3248 |
mask = cpu_str_to_log_mask(optarg); |
| 3249 |
if (!mask) {
|
| 3250 |
printf("Log items (comma separated):\n");
|
| 3251 |
for(item = cpu_log_items; item->mask != 0; item++) { |
| 3252 |
printf("%-10s %s\n", item->name, item->help);
|
| 3253 |
} |
| 3254 |
exit(1);
|
| 3255 |
} |
| 3256 |
cpu_set_log(mask); |
| 3257 |
} |
| 3258 |
break;
|
| 3259 |
case QEMU_OPTION_n:
|
| 3260 |
pstrcpy(network_script, sizeof(network_script), optarg);
|
| 3261 |
break;
|
| 3262 |
#ifdef CONFIG_GDBSTUB
|
| 3263 |
case QEMU_OPTION_s:
|
| 3264 |
use_gdbstub = 1;
|
| 3265 |
break;
|
| 3266 |
case QEMU_OPTION_p:
|
| 3267 |
gdbstub_port = atoi(optarg); |
| 3268 |
break;
|
| 3269 |
#endif
|
| 3270 |
case QEMU_OPTION_L:
|
| 3271 |
bios_dir = optarg; |
| 3272 |
break;
|
| 3273 |
case QEMU_OPTION_S:
|
| 3274 |
start_emulation = 0;
|
| 3275 |
break;
|
| 3276 |
case QEMU_OPTION_pci:
|
| 3277 |
pci_enabled = 1;
|
| 3278 |
break;
|
| 3279 |
case QEMU_OPTION_isa:
|
| 3280 |
pci_enabled = 0;
|
| 3281 |
break;
|
| 3282 |
case QEMU_OPTION_prep:
|
| 3283 |
prep_enabled = 1;
|
| 3284 |
break;
|
| 3285 |
case QEMU_OPTION_k:
|
| 3286 |
keyboard_layout = optarg; |
| 3287 |
break;
|
| 3288 |
case QEMU_OPTION_localtime:
|
| 3289 |
rtc_utc = 0;
|
| 3290 |
break;
|
| 3291 |
case QEMU_OPTION_cirrusvga:
|
| 3292 |
cirrus_vga_enabled = 1;
|
| 3293 |
break;
|
| 3294 |
case QEMU_OPTION_std_vga:
|
| 3295 |
cirrus_vga_enabled = 0;
|
| 3296 |
break;
|
| 3297 |
case QEMU_OPTION_g:
|
| 3298 |
{
|
| 3299 |
const char *p; |
| 3300 |
int w, h, depth;
|
| 3301 |
p = optarg; |
| 3302 |
w = strtol(p, (char **)&p, 10); |
| 3303 |
if (w <= 0) { |
| 3304 |
graphic_error:
|
| 3305 |
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
| 3306 |
exit(1);
|
| 3307 |
} |
| 3308 |
if (*p != 'x') |
| 3309 |
goto graphic_error;
|
| 3310 |
p++; |
| 3311 |
h = strtol(p, (char **)&p, 10); |
| 3312 |
if (h <= 0) |
| 3313 |
goto graphic_error;
|
| 3314 |
if (*p == 'x') { |
| 3315 |
p++; |
| 3316 |
depth = strtol(p, (char **)&p, 10); |
| 3317 |
if (depth != 8 && depth != 15 && depth != 16 && |
| 3318 |
depth != 24 && depth != 32) |
| 3319 |
goto graphic_error;
|
| 3320 |
} else if (*p == '\0') { |
| 3321 |
depth = graphic_depth; |
| 3322 |
} else {
|
| 3323 |
goto graphic_error;
|
| 3324 |
} |
| 3325 |
|
| 3326 |
graphic_width = w; |
| 3327 |
graphic_height = h; |
| 3328 |
graphic_depth = depth; |
| 3329 |
} |
| 3330 |
break;
|
| 3331 |
case QEMU_OPTION_monitor:
|
| 3332 |
pstrcpy(monitor_device, sizeof(monitor_device), optarg);
|
| 3333 |
break;
|
| 3334 |
case QEMU_OPTION_serial:
|
| 3335 |
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
| 3336 |
fprintf(stderr, "qemu: too many serial ports\n");
|
| 3337 |
exit(1);
|
| 3338 |
} |
| 3339 |
pstrcpy(serial_devices[serial_device_index], |
| 3340 |
sizeof(serial_devices[0]), optarg); |
| 3341 |
serial_device_index++; |
| 3342 |
break;
|
| 3343 |
case QEMU_OPTION_parallel:
|
| 3344 |
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
| 3345 |
fprintf(stderr, "qemu: too many parallel ports\n");
|
| 3346 |
exit(1);
|
| 3347 |
} |
| 3348 |
pstrcpy(parallel_devices[parallel_device_index], |
| 3349 |
sizeof(parallel_devices[0]), optarg); |
| 3350 |
parallel_device_index++; |
| 3351 |
break;
|
| 3352 |
case QEMU_OPTION_loadvm:
|
| 3353 |
loadvm = optarg; |
| 3354 |
break;
|
| 3355 |
case QEMU_OPTION_full_screen:
|
| 3356 |
full_screen = 1;
|
| 3357 |
break;
|
| 3358 |
case QEMU_OPTION_pidfile:
|
| 3359 |
create_pidfile(optarg); |
| 3360 |
break;
|
| 3361 |
} |
| 3362 |
} |
| 3363 |
} |
| 3364 |
|
| 3365 |
linux_boot = (kernel_filename != NULL);
|
| 3366 |
|
| 3367 |
if (!linux_boot && hd_filename[0] == '\0' && hd_filename[2] == '\0' && |
| 3368 |
fd_filename[0] == '\0') |
| 3369 |
help(); |
| 3370 |
|
| 3371 |
/* boot to cd by default if no hard disk */
|
| 3372 |
if (hd_filename[0] == '\0' && boot_device == 'c') { |
| 3373 |
if (fd_filename[0] != '\0') |
| 3374 |
boot_device = 'a';
|
| 3375 |
else
|
| 3376 |
boot_device = 'd';
|
| 3377 |
} |
| 3378 |
|
| 3379 |
#if !defined(CONFIG_SOFTMMU)
|
| 3380 |
/* must avoid mmap() usage of glibc by setting a buffer "by hand" */
|
| 3381 |
{
|
| 3382 |
static uint8_t stdout_buf[4096]; |
| 3383 |
setvbuf(stdout, stdout_buf, _IOLBF, sizeof(stdout_buf));
|
| 3384 |
} |
| 3385 |
#else
|
| 3386 |
setvbuf(stdout, NULL, _IOLBF, 0); |
| 3387 |
#endif
|
| 3388 |
|
| 3389 |
/* init host network redirectors */
|
| 3390 |
if (net_if_type == -1) { |
| 3391 |
net_if_type = NET_IF_TUN; |
| 3392 |
#if defined(CONFIG_SLIRP)
|
| 3393 |
if (access(network_script, R_OK) < 0) { |
| 3394 |
net_if_type = NET_IF_USER; |
| 3395 |
} |
| 3396 |
#endif
|
| 3397 |
} |
| 3398 |
|
| 3399 |
for(i = 0; i < nb_nics; i++) { |
| 3400 |
NetDriverState *nd = &nd_table[i]; |
| 3401 |
nd->index = i; |
| 3402 |
/* init virtual mac address */
|
| 3403 |
nd->macaddr[0] = macaddr[0]; |
| 3404 |
nd->macaddr[1] = macaddr[1]; |
| 3405 |
nd->macaddr[2] = macaddr[2]; |
| 3406 |
nd->macaddr[3] = macaddr[3]; |
| 3407 |
nd->macaddr[4] = macaddr[4]; |
| 3408 |
nd->macaddr[5] = macaddr[5] + i; |
| 3409 |
switch(net_if_type) {
|
| 3410 |
#if defined(CONFIG_SLIRP)
|
| 3411 |
case NET_IF_USER:
|
| 3412 |
net_slirp_init(nd); |
| 3413 |
break;
|
| 3414 |
#endif
|
| 3415 |
#if !defined(_WIN32)
|
| 3416 |
case NET_IF_TUN:
|
| 3417 |
if (i < nb_tun_fds) {
|
| 3418 |
net_fd_init(nd, tun_fds[i]); |
| 3419 |
} else {
|
| 3420 |
if (net_tun_init(nd) < 0) |
| 3421 |
net_dummy_init(nd); |
| 3422 |
} |
| 3423 |
break;
|
| 3424 |
#endif
|
| 3425 |
case NET_IF_DUMMY:
|
| 3426 |
default:
|
| 3427 |
net_dummy_init(nd); |
| 3428 |
break;
|
| 3429 |
} |
| 3430 |
} |
| 3431 |
|
| 3432 |
/* init the memory */
|
| 3433 |
phys_ram_size = ram_size + vga_ram_size + bios_size; |
| 3434 |
|
| 3435 |
#ifdef CONFIG_SOFTMMU
|
| 3436 |
#ifdef _BSD
|
| 3437 |
/* mallocs are always aligned on BSD. valloc is better for correctness */
|
| 3438 |
phys_ram_base = valloc(phys_ram_size); |
| 3439 |
#else
|
| 3440 |
phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size); |
| 3441 |
#endif
|
| 3442 |
if (!phys_ram_base) {
|
| 3443 |
fprintf(stderr, "Could not allocate physical memory\n");
|
| 3444 |
exit(1);
|
| 3445 |
} |
| 3446 |
#else
|
| 3447 |
/* as we must map the same page at several addresses, we must use
|
| 3448 |
a fd */
|
| 3449 |
{
|
| 3450 |
const char *tmpdir; |
| 3451 |
|
| 3452 |
tmpdir = getenv("QEMU_TMPDIR");
|
| 3453 |
if (!tmpdir)
|
| 3454 |
tmpdir = "/tmp";
|
| 3455 |
snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/vlXXXXXX", tmpdir); |
| 3456 |
if (mkstemp(phys_ram_file) < 0) { |
| 3457 |
fprintf(stderr, "Could not create temporary memory file '%s'\n",
|
| 3458 |
phys_ram_file); |
| 3459 |
exit(1);
|
| 3460 |
} |
| 3461 |
phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
|
| 3462 |
if (phys_ram_fd < 0) { |
| 3463 |
fprintf(stderr, "Could not open temporary memory file '%s'\n",
|
| 3464 |
phys_ram_file); |
| 3465 |
exit(1);
|
| 3466 |
} |
| 3467 |
ftruncate(phys_ram_fd, phys_ram_size); |
| 3468 |
unlink(phys_ram_file); |
| 3469 |
phys_ram_base = mmap(get_mmap_addr(phys_ram_size), |
| 3470 |
phys_ram_size, |
| 3471 |
PROT_WRITE | PROT_READ, MAP_SHARED | MAP_FIXED, |
| 3472 |
phys_ram_fd, 0);
|
| 3473 |
if (phys_ram_base == MAP_FAILED) {
|
| 3474 |
fprintf(stderr, "Could not map physical memory\n");
|
| 3475 |
exit(1);
|
| 3476 |
} |
| 3477 |
} |
| 3478 |
#endif
|
| 3479 |
|
| 3480 |
/* we always create the cdrom drive, even if no disk is there */
|
| 3481 |
bdrv_init(); |
| 3482 |
if (has_cdrom) {
|
| 3483 |
bs_table[2] = bdrv_new("cdrom"); |
| 3484 |
bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM);
|
| 3485 |
} |
| 3486 |
|
| 3487 |
/* open the virtual block devices */
|
| 3488 |
for(i = 0; i < MAX_DISKS; i++) { |
| 3489 |
if (hd_filename[i]) {
|
| 3490 |
if (!bs_table[i]) {
|
| 3491 |
char buf[64]; |
| 3492 |
snprintf(buf, sizeof(buf), "hd%c", i + 'a'); |
| 3493 |
bs_table[i] = bdrv_new(buf); |
| 3494 |
} |
| 3495 |
if (bdrv_open(bs_table[i], hd_filename[i], snapshot) < 0) { |
| 3496 |
fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
|
| 3497 |
hd_filename[i]); |
| 3498 |
exit(1);
|
| 3499 |
} |
| 3500 |
if (i == 0 && cyls != 0) { |
| 3501 |
bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs); |
| 3502 |
bdrv_set_translation_hint(bs_table[i], translation); |
| 3503 |
} |
| 3504 |
} |
| 3505 |
} |
| 3506 |
|
| 3507 |
/* we always create at least one floppy disk */
|
| 3508 |
fd_table[0] = bdrv_new("fda"); |
| 3509 |
bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
|
| 3510 |
|
| 3511 |
for(i = 0; i < MAX_FD; i++) { |
| 3512 |
if (fd_filename[i]) {
|
| 3513 |
if (!fd_table[i]) {
|
| 3514 |
char buf[64]; |
| 3515 |
snprintf(buf, sizeof(buf), "fd%c", i + 'a'); |
| 3516 |
fd_table[i] = bdrv_new(buf); |
| 3517 |
bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY); |
| 3518 |
} |
| 3519 |
if (fd_filename[i] != '\0') { |
| 3520 |
if (bdrv_open(fd_table[i], fd_filename[i], snapshot) < 0) { |
| 3521 |
fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
|
| 3522 |
fd_filename[i]); |
| 3523 |
exit(1);
|
| 3524 |
} |
| 3525 |
} |
| 3526 |
} |
| 3527 |
} |
| 3528 |
|
| 3529 |
/* init CPU state */
|
| 3530 |
env = cpu_init(); |
| 3531 |
global_env = env; |
| 3532 |
cpu_single_env = env; |
| 3533 |
|
| 3534 |
register_savevm("timer", 0, 1, timer_save, timer_load, env); |
| 3535 |
register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); |
| 3536 |
register_savevm("ram", 0, 1, ram_save, ram_load, NULL); |
| 3537 |
qemu_register_reset(main_cpu_reset, global_env); |
| 3538 |
|
| 3539 |
init_ioports(); |
| 3540 |
cpu_calibrate_ticks(); |
| 3541 |
|
| 3542 |
/* terminal init */
|
| 3543 |
if (nographic) {
|
| 3544 |
dumb_display_init(ds); |
| 3545 |
} else {
|
| 3546 |
#ifdef CONFIG_SDL
|
| 3547 |
sdl_display_init(ds, full_screen); |
| 3548 |
#else
|
| 3549 |
dumb_display_init(ds); |
| 3550 |
#endif
|
| 3551 |
} |
| 3552 |
|
| 3553 |
vga_console = graphic_console_init(ds); |
| 3554 |
|
| 3555 |
monitor_hd = qemu_chr_open(monitor_device); |
| 3556 |
if (!monitor_hd) {
|
| 3557 |
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
| 3558 |
exit(1);
|
| 3559 |
} |
| 3560 |
monitor_init(monitor_hd, !nographic); |
| 3561 |
|
| 3562 |
for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
| 3563 |
if (serial_devices[i][0] != '\0') { |
| 3564 |
serial_hds[i] = qemu_chr_open(serial_devices[i]); |
| 3565 |
if (!serial_hds[i]) {
|
| 3566 |
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
| 3567 |
serial_devices[i]); |
| 3568 |
exit(1);
|
| 3569 |
} |
| 3570 |
if (!strcmp(serial_devices[i], "vc")) |
| 3571 |
qemu_chr_printf(serial_hds[i], "serial%d console\n", i);
|
| 3572 |
} |
| 3573 |
} |
| 3574 |
|
| 3575 |
for(i = 0; i < MAX_PARALLEL_PORTS; i++) { |
| 3576 |
if (parallel_devices[i][0] != '\0') { |
| 3577 |
parallel_hds[i] = qemu_chr_open(parallel_devices[i]); |
| 3578 |
if (!parallel_hds[i]) {
|
| 3579 |
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
| 3580 |
parallel_devices[i]); |
| 3581 |
exit(1);
|
| 3582 |
} |
| 3583 |
if (!strcmp(parallel_devices[i], "vc")) |
| 3584 |
qemu_chr_printf(parallel_hds[i], "parallel%d console\n", i);
|
| 3585 |
} |
| 3586 |
} |
| 3587 |
|
| 3588 |
/* setup cpu signal handlers for MMU / self modifying code handling */
|
| 3589 |
#if !defined(CONFIG_SOFTMMU)
|
| 3590 |
|
| 3591 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
| 3592 |
{
|
| 3593 |
stack_t stk; |
| 3594 |
signal_stack = memalign(16, SIGNAL_STACK_SIZE);
|
| 3595 |
stk.ss_sp = signal_stack; |
| 3596 |
stk.ss_size = SIGNAL_STACK_SIZE; |
| 3597 |
stk.ss_flags = 0;
|
| 3598 |
|
| 3599 |
if (sigaltstack(&stk, NULL) < 0) { |
| 3600 |
perror("sigaltstack");
|
| 3601 |
exit(1);
|
| 3602 |
} |
| 3603 |
} |
| 3604 |
#endif
|
| 3605 |
{
|
| 3606 |
struct sigaction act;
|
| 3607 |
|
| 3608 |
sigfillset(&act.sa_mask); |
| 3609 |
act.sa_flags = SA_SIGINFO; |
| 3610 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
| 3611 |
act.sa_flags |= SA_ONSTACK; |
| 3612 |
#endif
|
| 3613 |
act.sa_sigaction = host_segv_handler; |
| 3614 |
sigaction(SIGSEGV, &act, NULL);
|
| 3615 |
sigaction(SIGBUS, &act, NULL);
|
| 3616 |
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
| 3617 |
sigaction(SIGFPE, &act, NULL);
|
| 3618 |
#endif
|
| 3619 |
} |
| 3620 |
#endif
|
| 3621 |
|
| 3622 |
#ifndef _WIN32
|
| 3623 |
{
|
| 3624 |
struct sigaction act;
|
| 3625 |
sigfillset(&act.sa_mask); |
| 3626 |
act.sa_flags = 0;
|
| 3627 |
act.sa_handler = SIG_IGN; |
| 3628 |
sigaction(SIGPIPE, &act, NULL);
|
| 3629 |
} |
| 3630 |
#endif
|
| 3631 |
init_timers(); |
| 3632 |
|
| 3633 |
#if defined(TARGET_I386)
|
| 3634 |
pc_init(ram_size, vga_ram_size, boot_device, |
| 3635 |
ds, fd_filename, snapshot, |
| 3636 |
kernel_filename, kernel_cmdline, initrd_filename); |
| 3637 |
#elif defined(TARGET_PPC)
|
| 3638 |
ppc_init(ram_size, vga_ram_size, boot_device, |
| 3639 |
ds, fd_filename, snapshot, |
| 3640 |
kernel_filename, kernel_cmdline, initrd_filename); |
| 3641 |
#elif defined(TARGET_SPARC)
|
| 3642 |
sun4m_init(ram_size, vga_ram_size, boot_device, |
| 3643 |
ds, fd_filename, snapshot, |
| 3644 |
kernel_filename, kernel_cmdline, initrd_filename); |
| 3645 |
#endif
|
| 3646 |
|
| 3647 |
gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
|
| 3648 |
qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); |
| 3649 |
|
| 3650 |
#ifdef CONFIG_GDBSTUB
|
| 3651 |
if (use_gdbstub) {
|
| 3652 |
if (gdbserver_start(gdbstub_port) < 0) { |
| 3653 |
fprintf(stderr, "Could not open gdbserver socket on port %d\n",
|
| 3654 |
gdbstub_port); |
| 3655 |
exit(1);
|
| 3656 |
} else {
|
| 3657 |
printf("Waiting gdb connection on port %d\n", gdbstub_port);
|
| 3658 |
} |
| 3659 |
} else
|
| 3660 |
#endif
|
| 3661 |
if (loadvm)
|
| 3662 |
qemu_loadvm(loadvm); |
| 3663 |
|
| 3664 |
{
|
| 3665 |
/* XXX: simplify init */
|
| 3666 |
read_passwords(); |
| 3667 |
if (start_emulation) {
|
| 3668 |
vm_start(); |
| 3669 |
} |
| 3670 |
} |
| 3671 |
main_loop(); |
| 3672 |
quit_timers(); |
| 3673 |
return 0; |
| 3674 |
} |